CN204865910U - Chemical laboratory table of high school - Google Patents

本实用新型提供一种高中化学实验桌，包括桌面和支撑桌面的桌腿，其特征在于：桌面上置有透明材质的防护罩，防护罩包括前立板、后立板、左立板、右立板和上平板，上平板与前立板之间通过圆弧弯曲板连接，防护罩的下边沿与桌面密封，前立板上间隔设置有两个供人手通过的手孔，防护罩内还置有有害气体处理装置，有害气体处理装置包括活性炭盛容器和液体盛容器，活性炭盛容器的相对两端分别装设有气体进口管和气体出口管，将防护罩内空气吸入活性炭盛容器内的风机与气体进口管连接，气体出口管的管口与液体盛容器底部连通，液体盛容器顶部设有气体出口。

The utility model provides a high school chemical experiment table, which comprises a table top and table legs supporting the table top. The vertical plate and the upper plate, the upper plate and the front vertical plate are connected by a circular arc bending plate, the lower edge of the protective cover is sealed with the desktop, and two hand holes for the passage of human hands are arranged at intervals on the front vertical plate, and there are also holes in the protective cover. Equipped with a harmful gas treatment device, the harmful gas treatment device includes an activated carbon container and a liquid container, and the opposite ends of the activated carbon container are respectively equipped with a gas inlet pipe and a gas outlet pipe to suck the air in the protective cover into the activated carbon container. The fan is connected with the gas inlet pipe, the nozzle of the gas outlet pipe is connected with the bottom of the liquid container, and the top of the liquid container is provided with a gas outlet.

高中化学实验桌high school chemistry lab table

技术领域 technical field

本实用新型涉及高中学生化学课用装置，具体涉及一种高中化学实验桌。 The utility model relates to a device for high school students in chemistry classes, in particular to a high school chemistry experiment table.

背景技术 Background technique

在目前的化学实验教学过程中，所使用的化学实验桌非常简单，即为普通的桌子，具有桌面和桌腿。但是一些化学实验具有一定的危险性，例如剧烈的化学反应产生的液体飞溅，化学反应过程中释放有害气体等。现在的化学实验桌缺少防护措施和有害气体处理功能。 In the current chemical experiment teaching process, the used chemical experiment table is very simple, that is, a common table with a table top and table legs. However, some chemical experiments have certain risks, such as liquid splashes produced by violent chemical reactions, and harmful gases released during chemical reactions. The current chemical experiment table lacks protective measures and harmful gas treatment functions.

发明内容 Contents of the invention

本实用新型要解决的技术问题是提供一种高中化学实验桌，它能提供防护措施和具有有害气体处理功能。 The technical problem to be solved by the utility model is to provide a high school chemical experiment table, which can provide protective measures and has the function of treating harmful gases.

为了解决上述技术问题，本实用新型的技术方案为： In order to solve the problems of the technologies described above, the technical solution of the utility model is:

一种高中化学实验桌，包括桌面和支撑桌面的桌腿，桌面上置有透明材质的防护罩，防护罩包括前立板、后立板、左立板、右立板和上平板，上平板与前立板之间通过圆弧弯曲板连接，防护罩的下边沿与桌面密封，前立板上间隔设置有两个供人手通过的手孔，防护罩内还置有有害气体处理装置，有害气体处理装置包括活性炭盛容器和液体盛容器，活性炭盛容器的相对两端分别装设有气体进口管和气体出口管，将防护罩内空气吸入活性炭盛容器内的风机与气体进口管连接，气体出口管的管口与液体盛容器底部连通，液体盛容器顶部设有气体出口。 A high school chemical experiment table, including a table top and table legs supporting the table top, a protective cover of transparent material is placed on the table top, and the protective cover includes a front vertical board, a rear vertical board, a left vertical board, a right vertical board and an upper flat board, and the upper flat board It is connected with the front vertical plate through a curved arc plate, the lower edge of the protective cover is sealed with the desktop, and there are two hand holes for the passage of human hands on the front vertical plate, and a harmful gas treatment device is also installed in the protective cover, which is harmful The gas treatment device includes an activated carbon container and a liquid container. The opposite ends of the activated carbon container are respectively equipped with a gas inlet pipe and a gas outlet pipe. The fan that sucks the air in the protective cover into the activated carbon container is connected to the gas inlet pipe. The nozzle of the outlet pipe communicates with the bottom of the liquid container, and the top of the liquid container is provided with a gas outlet.

上述高中化学实验桌，还包括作为实验平台用的抽屉，抽屉包括前面板、底壁和两个侧壁，两个侧壁上设置滑轨，对应地，左立板和右立板上分别设置滑轨，抽屉能够前后方向移动，抽屉前面板上设置拉手，抽屉位于手孔下方，前立板上具有抽屉口。 The above-mentioned high school chemical experiment table also includes a drawer used as an experimental platform. The drawer includes a front panel, a bottom wall and two side walls. Slide rails are arranged on the two side walls. Correspondingly, the left vertical board and the right vertical board are respectively provided with Slide rails, the drawer can move forward and backward, a handle is arranged on the front panel of the drawer, the drawer is located below the hand hole, and the front vertical plate has a drawer opening.

上述高中化学实验桌，前面板的上边沿和下边沿均成上下方向的阶梯状，对应地，抽屉口的上边沿和下边沿均成上下方向的阶梯状，前面板与抽屉口能够吻合关闭。 In the high school chemistry experiment table, the upper edge and the lower edge of the front panel are stepped in the up and down direction, and correspondingly, the upper edge and the lower edge of the drawer are stepped in the up and down direction, and the front panel and the drawer can be closed together.

上述高中化学实验桌，后立板上具有能够容纳抽屉后端的凹槽。 In the high school chemical experiment table, the rear vertical plate has a groove capable of accommodating the rear end of the drawer.

上述高中化学实验桌，弹性套的外缘与手孔的内缘密封连接。 In the high school chemical experiment table, the outer edge of the elastic sleeve is sealed and connected with the inner edge of the hand hole.

上述高中化学实验桌，有害气体处理装置位于防护罩内顶后部。 In the above-mentioned high school chemical experiment table, the harmful gas treatment device is located at the inner top rear part of the protective cover.

上述高中化学实验桌，气体进口管的进口处设置阻隔活性炭外溢的滤网，气体出口管的出口处设置阻隔活性炭外溢的滤网。 In the above-mentioned high school chemistry experiment table, the inlet of the gas inlet pipe is provided with a filter screen to block the overflow of activated carbon, and the outlet of the gas outlet pipe is provided with a filter screen to block the overflow of activated carbon.

上述高中化学实验桌，活性炭盛容器位于液体盛容器上方。 In the above high school chemistry experiment table, the activated carbon container is located above the liquid container.

防护罩至于桌面上，化学实验时，手通过手孔伸入防护罩内腔中进行化学实验，有害气体通过风机的作用顺次经过活性炭和液体过滤，进行清洁。上平板与前立板之间通过圆弧弯曲板连接，使得视觉效果更好。防护罩起到防护作用。防护罩为透明，便于观察。 As for the protective cover on the table, during the chemical experiment, the hand is inserted into the inner cavity of the protective cover through the hand hole to carry out the chemical experiment, and the harmful gas is filtered through activated carbon and liquid in sequence through the action of the fan for cleaning. The upper plate and the front vertical plate are connected by an arc curved plate, which makes the visual effect better. The protective cover plays a protective role. The protective cover is transparent for easy observation.

附图说明 Description of drawings

下面结合附图对本实用新型的技术方案进行进一步详细的说明： Below in conjunction with accompanying drawing, the technical scheme of the present utility model is described in further detail:

图1为本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.

图2为图1的局部示意图。 FIG. 2 is a partial schematic diagram of FIG. 1 .

图3为图2的局部示意图。 FIG. 3 is a partial schematic diagram of FIG. 2 .

图中：1桌腿,2桌面,3后立板,4底壁,5前面板,6前立板,7手孔,8圆弧弯曲板,9上平板,10风机,11滤网,12活性炭盛容器,13滤网,14气体出口管,15液体盛容器。 In the figure: 1 table leg, 2 desktop, 3 rear vertical plate, 4 bottom wall, 5 front panel, 6 front vertical plate, 7 hand hole, 8 arc curved plate, 9 upper plate, 10 fan, 11 filter screen, 12 Activated carbon container, 13 filter screen, 14 gas outlet pipe, 15 liquid container.

具体实施方式 Detailed ways

如图1至图3所示，一种高中化学实验桌包括桌面2和支撑桌面的桌腿1。桌面上置有透明材质的防护罩，防护罩包括前立板6、后立板3、左立板、右立板和上平板9，上平板与前立板之间通过圆弧弯曲板8连接，防护罩的下边沿与桌面密封。前立板上间隔设置有两个供人手通过的手孔7。防护罩内还置有有害气体处理装置，有害气体处理装置包括活性炭盛容器12和液体盛容器15，活性炭盛容器的相对两端分别装设有气体进口管和气体出口管，将防护罩内空气吸入活性炭盛容器内的风机10与气体进口管连接，气体出口管14的管口与液体盛容器底部连通，液体盛容器顶部设有气体出口。 As shown in FIGS. 1 to 3 , a high school chemistry experiment table includes a table top 2 and table legs 1 supporting the table top. There is a protective cover made of transparent material on the desktop, and the protective cover includes a front vertical plate 6, a rear vertical plate 3, a left vertical plate, a right vertical plate and an upper plate 9, and the upper plate and the front vertical plate are connected by an arc bending plate 8 , the lower edge of the protective cover is sealed with the desktop. Two hand holes 7 for the passage of hands are arranged at intervals on the front riser. Harmful gas treatment device is also built in protective cover, and harmful gas treatment device comprises activated carbon holding container 12 and liquid holding container 15, and the relative two ends of activated carbon holding container are equipped with gas inlet pipe and gas outlet pipe respectively, and the air in the protective cover The blower fan 10 sucked into the activated carbon container is connected with the gas inlet pipe, the mouth of the gas outlet pipe 14 communicates with the bottom of the liquid container, and the top of the liquid container is provided with a gas outlet.

高中化学实验桌还包括作为实验平台用的抽屉，抽屉包括前面板5、底壁4和两个侧壁，两个侧壁上设置滑轨，对应地，左立板和右立板上分别设置滑轨，抽屉能够前后方向移动，抽屉前面板上设置拉手，抽屉位于手孔下方，前立板上具有抽屉口。底壁为化学实验操作平台。这种抽屉式的设计能够使得实验器材方便地进出防护罩。 The high school chemical experiment table also includes a drawer used as an experimental platform. The drawer includes a front panel 5, a bottom wall 4 and two side walls. Slide rails are arranged on the two side walls. Correspondingly, the left vertical board and the right vertical board are respectively provided with Slide rails, the drawer can move forward and backward, a handle is arranged on the front panel of the drawer, the drawer is located below the hand hole, and the front vertical plate has a drawer opening. The bottom wall is a chemical experiment operating platform. This drawer-style design enables experimental equipment to enter and exit the protective cover conveniently.

前面板的上边沿和下边沿均成上下方向的阶梯状，对应地，抽屉口的上边沿和下边沿均成上下方向的阶梯状，前面板与抽屉口能够吻合关闭。这种设计能够很好地保证密封性。 The upper edge and the lower edge of the front panel are all stepped in the vertical direction, and correspondingly, the upper edge and the lower edge of the drawer are all stepped in the vertical direction, and the front panel and the drawer can be closed by coincidence. This design can ensure the tightness well.

后立板上具有能够容纳抽屉后端的凹槽。抽屉移动到后止点时，抽屉后端进入后立板凹槽中，密封性好。 The back riser has a recess that accommodates the rear end of the drawer. When the drawer moves to the rear dead center, the rear end of the drawer enters the groove of the rear vertical board, and the sealing performance is good.

弹性套的外缘与手孔的内缘密封连接，弹性套实现了手臂与手孔之间的密封。 The outer edge of the elastic sleeve is sealingly connected with the inner edge of the hand hole, and the elastic sleeve realizes the sealing between the arm and the hand hole.

具体地，有害气体处理装置位于防护罩内顶后部。 Specifically, the harmful gas treatment device is located at the top rear of the protective cover.

气体进口管的进口处设置阻隔活性炭外溢的滤网11，气体出口管的出口处设置阻隔活性炭外溢的滤网13。滤网防止活性炭进入液体盛容器中和风机中。 The inlet of the gas inlet pipe is provided with a filter screen 11 to block the overflow of activated carbon, and the outlet of the gas outlet pipe is provided with a filter screen 13 to block the overflow of activated carbon. The filter screen prevents activated carbon from entering the liquid container and the fan.

为了防止液体倒灌进入活性炭盛容器，活性炭盛容器位于液体盛容器上方。 In order to prevent liquid from pouring back into the activated carbon container, the activated carbon container is located above the liquid container.