CN204767163U - Fastener of counter weight board on lever - Google Patents

The utility model discloses a fastener of counter weight board on lever, including being equipped with the open -ended snap ring that can deform, the snap ring opening part is equipped with the arm of force, guide pillar an and guide pillar b, is equipped with guide rail an and guide rail b on the arm of force, and guide pillar an is located guide rail an and sets up the one end at the snap ring opening part, and guide pillar b is located guide rail b and setting at the other end of snap ring opening part, and guide rail an and guide rail b nonparallel and guide rail an and guide rail b follow the axis direction to be had and intersect. Be equipped with a plurality of protruding block on the outer lane of snap ring. This kind of fastener of counter weight board on lever can carry out better fixing to the disk axial, the contact that can difficultly not open locking and barbell bar simultaneously when using, and simple structure is reasonable for the here, and the security is high.

The fastener of Weight plate on a kind of lever

Technical field

The utility model relates to exercise equipment, specifically the fastener of Weight plate on a kind of lever.

Background technology

Dumbbell and barbell are generally used for taking exercises strength.These physical strength training devices can occur in various configuration.Such as, barbell can be categorized into fixing barbell and adjustable barbell.Fixing barbell has a pair counterweight be connected with handle.Because each fixing barbell has predetermined weight, so people will need a different set of barbell to have different weight.Buying many fixing barbells will be expensive, and stores and will take larger space.Therefore, adjustable barbell has become universal in recent years.Adjustable barbell generally includes the one group of counterweight allowing user to select wanted weight before the use.Therefore, single adjustable barbell enough can meet the needs of user.Being designed with of adjustable barbell simply also has complicated.The simple designs of adjustable barbell uses indivedual dish type counterweight exactly, wherein has the hole for receiving handle at heart.User will select multiple dish type counterweight, and then by locking mechanism (such as, locking plate or nut), they will be fastened to handle.The more somewhat complex design of adjustable barbell allows user to select desired counterweight by comprising and easily counterweight is locked onto some selection mechanisms of handle.Selection mechanism can be internal mechanism or external agency's (such as, rack-and-pinion mechanism), that is, collecting is in the handle or in handle outer.Such as, give the 6th of the people such as Dalebout the, 261, No. 022 United States Patent (USP) discloses a kind of external agency, and wherein rotatable clamping part is attached to the cross member on handle.Clamping part can be rotated to different angles to engage the counterweight of different group via the cross bar of the counterweight plate be connected into pairs.Internal mechanism collecting in the handle, and comprises a pair slide bar of handle inner usually.Extensible or retraction slide bar to engage the counterweight plate of different number on the two ends of handle.Slide mechanism comprises rack-and-pinion or similar designs usually.Such as, give the 7th of Chermack the, 090, No. 625 United States Patent (USP)s disclose a kind of design, and described design contains rack-and-pinion device in the handle, transmission mechanism in order to mobile two extendible elements, locking mechanism and has the side that the is attached to plate nested counterweight unit of bar in order to support.Although prior art is adjustable, barbell is the selection that user provides convenience, but still needs the better design to adjustable barbell.

Summary of the invention

The utility model is not enough for prior art, the fastener of Weight plate on a kind of lever is provided, on this lever, the fastener of Weight plate axially can be fixed preferably to disc, the contact of locking with bar can be opened by leicht fallen D/A in use simultaneously, this is simple and reasonable, and security is high.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: the fastener of Weight plate on a kind of lever, comprise be provided with opening can deformation snap ring, described snap ring opening part is provided with the arm of force, guide pillar a and guide pillar b, the described arm of force is provided with guide rail a and guide rail b, described guide pillar a is positioned at described guide rail a and is arranged on described snap ring opening a place, described guide pillar b is positioned at described guide rail b and is arranged on described snap ring opening b place, when described guide rail a projects to described guide rail b, described guide rail a and described guide rail b has crosspoint in the axial direction, when described snap ring opening closes, described guide pillar a and described guide pillar b is displaced to the other end from one end of described guide rail a and described guide rail b respectively, and described guide pillar a and the described guide pillar b point that guide rail a and described guide rail b is nearest apart described in displacement passage in transit.

In technique scheme, preferably, the outer ring of described snap ring is provided with multiple casting lug thereon.Played the effect of reinforcement by casting lug thereon, the mechanism of snap ring can be made more firm, the diameter of snap ring can be made to increase simultaneously, prevent disc from deviating from.

In technique scheme, preferably, one end of described guide rail a is provided with interior concave point a, the other end of described guide rail a is provided with interior concave point aa, and one end of described guide rail b is provided with interior concave point b, and the other end of described guide rail b is provided with interior concave point bb, when described snap ring opening closes, the described arm of force suits mutually with the edge of described snap ring, and described guide pillar a is moved to described interior concave point aa from described interior concave point a, and described guide pillar b is moved to described interior concave point bb from described interior concave point b; When described snap ring opening is opened, the edge separation of the described arm of force and described snap ring.

In technique scheme, preferably, described guide rail a is parallel with described guide rail b and one end that is described guide rail a is provided with the groove a of opening to described guide rail b, and described corresponding one end of guide rail b is provided with the groove b of opening to described guide rail a.

In technique scheme, preferably, described guide rail a and described guide rail b is not parallel, and described guide rail a has in the axial direction with described guide rail b and intersects.

The utility model compared with prior art, there is following beneficial effect: on this lever of the utility model, the fastener of Weight plate axially can be fixed preferably to disc, the contact of locking with bar can be opened by leicht fallen D/A in use simultaneously, this is simple and reasonable, and security is high.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the perspective view of the utility model embodiment.

Fig. 3 is the structural representation of another embodiment in the utility model embodiment.

Detailed description of the invention

Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail: see Fig. 1-Fig. 3, the fastener of Weight plate on a kind of lever, comprise be provided with opening can deformation snap ring 1, described snap ring 1 opening part is provided with the arm of force 2, guide pillar a3 and guide pillar b4, the described arm of force is provided with guide rail a31 and guide rail b41, described guide pillar a3 is positioned at described guide rail a31 and is arranged on described snap ring 1 opening a11 place, described guide pillar b4 is positioned at described guide rail b41 and is arranged on described snap ring 1 opening b12 place, when described guide rail a31 projects to described guide rail b41, described guide rail a31 and described guide rail b41 has crosspoint in the axial direction, when described snap ring 1 opening closes, described guide pillar a3 and described guide pillar b4 is displaced to the other end from one end of described guide rail a31 and described guide rail b41 respectively, and described guide pillar a3 and the described guide pillar b4 point that guide rail a31 and described guide rail b41 is nearest apart described in displacement passage in transit.

The outer ring of described snap ring 1 is provided with multiple casting lug thereon 5, is played the effect of reinforcement by casting lug thereon 5, the mechanism of snap ring 1 can be made more firm, the diameter of snap ring 1 can be made to increase simultaneously, prevent disc from deviating from.

One end of described guide rail a31 is provided with interior concave point a33, the other end of described guide rail a31 is provided with interior concave point aa34, one end of described guide rail b41 is provided with interior concave point b43, the other end of described guide rail b41 is provided with interior concave point bb44, when described snap ring 1 opening closes, the described arm of force 2 suits mutually with the edge of described snap ring 1, and described guide pillar a3 is moved to described interior concave point aa34 from described interior concave point a33, and described guide pillar b4 is moved to described interior concave point bb44 from described interior concave point b43; When described snap ring 1 opening is opened, the edge separation of the described arm of force 2 and described snap ring 1.

Described guide rail a31 and described guide rail b41 is not parallel, and described guide rail a31 has in the axial direction with described guide rail b41 and intersects.When described guide pillar a3 and described guide pillar b4 lays respectively at described guide rail a31 and described guide rail b41 when nearest position, need the power of applying on the described arm of force 2 maximum, when described guide pillar a3 and described guide pillar b4 leaves described guide rail a31 and described guide rail b41 respectively behind nearest position, the power that the described arm of force 2 applies diminishes gradually.

Another kind of embodiment: described guide rail a31 is parallel with described guide rail b41, one end of described guide rail a31 is provided with the groove a32 of opening to described guide rail b41, described corresponding one end of guide rail b41 is provided with the groove b42 of opening to described guide rail a31, when described snap ring 1 opening closes, described guide pillar a3 moves to the groove a32 place of described guide rail a31, described guide pillar b4 moves to the groove b42 place of described guide rail b41, because groove a32 and groove b42 withholds guide pillar a3 and guide pillar b4 respectively, make snap ring 1 opening generation deformation; When described snap ring 1 opening is opened, guide pillar a3 and guide pillar b4 is moved to the other end of guide rail a31 and guide rail b41 respectively.

The utility model compared with prior art, there is following beneficial effect: on this lever of the utility model, the fastener of Weight plate axially can be fixed preferably to disc, the contact of locking with bar can be opened by leicht fallen D/A in use simultaneously, the mechanism of snap ring can be made more firm, the diameter of snap ring can be made to increase simultaneously, preventing disc from deviating from, this is simple and reasonable, and security is high.

The foregoing is only embodiment of the present utility model, be not limited to the utility model.The utility model can have various suitable change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.