CN216397487U

CN216397487U - Laboratory ventilation unit

Info

Publication number: CN216397487U
Application number: CN202123216554.XU
Authority: CN
Inventors: 张伟卓; 刘立伟; 姜洪彪; 黄铭威; 陈莹莹; 孙阳阳; 张德利
Original assignee: Liaoning Xinyu Laboratory System Engineering Co ltd
Current assignee: Liaoning Xinyu Laboratory System Engineering Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-29
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of ventilation devices, in particular to a laboratory ventilation device, wherein the surface of a wall body is clamped and connected with a connecting plate, the inside of the connecting plate is rotatably connected with a rotating rod, the lower surface of the connecting plate is provided with a guide pipe, the bottom end of the guide pipe is provided with an elastic joint, the front end of the guide pipe is provided with a gas collecting hood, the surface of the guide pipe is fixedly connected with a fixed module, the back surface of the gas collecting hood is provided with a limit module, the surface of the limit module is provided with a slot which is in inserted connection with a first inserting block, the installation and the disassembly between the connecting plate and the wall body are more convenient and quicker by arranging the rotating rod and a second inserting block, the operation is simple and stable, the time is saved, the working efficiency is improved, the gas collecting hood can be rapidly replaced by arranging the first inserting block and a handle, the gas collecting hood with different shapes can meet the experimental requirements and is convenient to take down and clean the gas collecting hood, after replacement, the operation is stable and firm, the operation is simple and convenient, and the practicability and the use convenience are improved.

Description

Laboratory ventilation unit

Technical Field

The utility model belongs to the technical field of ventilation devices, and particularly relates to a laboratory ventilation device.

Background

The universal extraction hood is mainly a device for quickly discharging small-range dust, hot gas, volatile gas, harmful gas and other small-particle floating objects or gases generated in the experiment or production process, and is one of necessary safety devices in a laboratory. In biological and chemical laboratories, the direct contact with toxic, corrosive, flammable and explosive chemicals is common, and the intense and delicate work is often done in the environment of high temperature electrical and thermal equipment such as gas, water, electricity and the like using fragile glass and porcelain vessels, so that the attention must be paid to the safety work. Through the analysis of various harmful gases in college laboratories, suggestions for strengthening laboratory management are provided so as to promote scientific management of college laboratories, protect the physical health of operators and surrounding personnel and protect the atmospheric environment around the laboratories.

Original ventilation unit installs inconveniently when using with wall body and ceiling installation, needs to damage the wall body and bores and wear to install through the bolt, wastes time and energy and reduces work efficiency and dismantle also comparatively trouble, and the gas collecting channel of ventilation unit lower extreme is changed trouble and is not convenient for take off and wash, and the gas collecting channel that can not quick replacement use different patterns ventilates and satisfies the user demand, provides a laboratory ventilation unit at present and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a laboratory ventilation device which has the characteristics of convenience in replacement, convenience in mounting and dismounting and stable connection.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a laboratory ventilation unit, includes the wall body, the surperficial block of wall body is connected with the connecting plate, the inside of connecting plate is rotated and is connected with the dwang, the lower surface of connecting plate is provided with the pipe, the elasticity joint is installed to the bottom of pipe, the front end of pipe is provided with the gas collecting channel, the fixed surface of pipe is connected with fixed module, the back of gas collecting channel is provided with spacing module, the slot of being connected with an inserted block plug-in is seted up on spacing module's surface, fixed module's fixed surface is connected with an inserted block.

As a preferable technical scheme of the laboratory ventilation device, one side of the limiting module is provided with a sliding groove in sliding connection with the arc-shaped plate, the arc-shaped plate is arranged inside the sliding groove, and the surface of the arc-shaped plate is provided with a handle.

According to the preferable technical scheme of the laboratory ventilation device, the surface of the first inserting block is provided with a clamping groove in clamping connection with the clamping block, a limiting spring elastically connected with the moving plate is arranged inside the limiting module, one end of the limiting spring is fixedly connected with the moving plate, and the surface of the moving plate is fixedly connected with the clamping block.

According to the preferable technical scheme of the laboratory ventilation device, a limiting rod is fixedly connected inside the limiting module, a sliding block is connected to the surface of the limiting rod in a sliding mode, and an extrusion block is arranged on the surface of the moving plate.

As a preferable technical scheme of the laboratory ventilation device, the surface of the rotating rod is rotatably connected with a moving module, two ends of the moving module are rotatably connected with connecting rods through rotating shafts, one end of each connecting rod is rotatably connected with a fixed plate, and the lower end of each fixed plate is fixedly connected with a limiting block.

According to the preferable technical scheme of the laboratory ventilation device, the baffle is fixedly connected inside the connecting plate, the reset spring elastically connected with the limiting block is arranged on the surface of one side of the baffle, the second inserting block is arranged on the lower surface of the wall, and the limiting groove connected with the limiting block in a clamping mode is formed in the second inserting block.

Compared with the prior art, the utility model has the beneficial effects that: make the installation between connecting plate and the wall body dismantle more convenient quick through setting up dwang and No. two inserted blocks, and easy operation is spacing stable, save time improves work efficiency, through setting up an inserted block, the handle is convenient for the gas collecting channel carry out quick replacement and is used the gas collecting channel of different shapes satisfy the experimental demand and be convenient for the gas collecting channel take off and wash, the spacing is stable firm easy operation convenient after the change, promote practicality and use convenience, make the stopper can reset fast via its elasticity through setting up reset spring and be convenient for quick assembly disassembly between wall body and the connecting plate, avoid the stopper to slide and slowly influence the dismantlement waste time reduction work efficiency of connecting plate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a schematic side sectional view of a spacing module according to the present invention;

FIG. 5 is a schematic view of a partial cross-sectional structure of a spacing module according to the present invention;

FIG. 6 is a schematic top sectional view of the connecting plate of the present invention;

in the figure: 1. a wall body; 2. a connecting plate; 3. rotating the rod; 4. a conduit; 5. loosening and tightening joints; 6. a gas-collecting hood; 7. a fixed module; 8. inserting a block I; 9. a card slot; 10. a limiting module; 11. a slot; 12. A chute; 13. an arc-shaped plate; 14. a handle; 15. a limiting spring; 16. moving the plate; 17. extruding the block; 18. a clamping block; 19. a limiting rod; 20. a slider; 21. a moving module; 22. a connecting rod; 23. a fixing plate; 24. a limiting block; 25. a return spring; 26. inserting a block II; 27. a limiting groove; 28. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: a laboratory ventilation device comprises a wall body 1, wherein the surface of the wall body 1 is connected with a connecting plate 2 in a clamping manner, the inside of the connecting plate 2 is connected with a rotating rod 3 in a rotating manner, a guide pipe 4 is arranged on the lower surface of the connecting plate 2, an elastic joint 5 is arranged at the bottom end of the guide pipe 4, a gas collecting hood 6 is arranged at the front end of the guide pipe 4, a fixed module 7 is fixedly connected to the surface of the guide pipe 4, a limiting module 10 is arranged on the back surface of the gas collecting hood 6, a slot 11 which is connected with an insertion block 8 in an insertion manner is formed in the surface of the limiting module 10, an insertion block 8 is fixedly connected to the surface of the fixed module 7, two insertion blocks 8 are arranged in a symmetrical manner and fixedly connected to the surface of the fixed module 7, and a clamping groove 9 used for limiting is formed in the surface of each first inserting block 8, so that the gas collecting hood 6 is more stably connected and is convenient to replace, and the working efficiency is improved.

Specifically, one side of limiting module 10 is provided with spout 12 with arc 13 sliding connection, the inside of spout 12 is provided with arc 13, the surface of arc 13 is provided with handle 14, in this embodiment arc 13 for the arc setting and with limiting module 10 the surface laminating mutually, handle 14 that arc 13 center set up plays the effect of the spacing opening and shutting between control gas collecting channel 6 and the pipe 4, make spacing opening and shutting more convenient quick.

Specifically, a clamping groove 9 clamped and connected with a clamping block 18 is formed in the surface of the first plug block 8, a limiting spring 15 elastically connected with a moving plate 16 is arranged inside the limiting module 10, the moving plate 16 is fixedly connected to one end of the limiting spring 15, and the clamping block 18 is fixedly connected to the surface of the moving plate 16.

Specifically, the inside fixedly connected with gag lever post 19 of spacing module 10, the surperficial sliding connection of gag lever post 19 has slider 20, and the surface of movable plate 16 is provided with extrusion block 17, and gag lever post 19 and slider 20 sliding connection in this embodiment, and the front end of gag lever post 19 is provided with carries out spacing lug to slider 20, avoids slider 20 to slide and breaks away from the surface influence normal use of equipment of gag lever post 19.

Specifically, the surface of dwang 3 closes soon and is connected with removal module 21, the both ends of removal module 21 are rotated through the pivot and are connected with connecting rod 22, the one end of connecting rod 22 is rotated and is connected with fixed plate 23, the lower extreme fixedly connected with stopper 24 of fixed plate 23, the both ends of connecting rod 22 all rotate through the pivot respectively with connecting rod 22 in this embodiment, fixed plate 23 rotates and is connected, make removal module 21 can control connecting rod 22 to the spacing of stopper 24 open and shut, and removal module 21 closes soon with the surface of dwang 3 to be connected and has strengthened spacing stability.

Specifically, the inside fixedly connected with baffle 28 of connecting plate 2, a side surface of baffle 28 is provided with reset spring 25 with stopper 24 elastic connection, the lower surface of wall body 1 is provided with No. two inserted blocks 26, No. two inserted blocks 26's inside is seted up the spacing groove 27 of being connected with stopper 24 block, the recess that is used for accomodating reset spring 25 is seted up to one side of stopper 24 in this embodiment, reduce occupation space, just, reset fast with stopper 24 and remove spacing to No. two inserted blocks 26, be convenient for quick assembly disassembly between wall body 1 and the connecting plate 2 promotes work efficiency.

The working principle and the using process of the utility model are as follows: when the utility model is used, the notch arranged on the surface of the connecting plate 2 is inserted and combined with the second inserting block 26 arranged on the surface of the wall body 1, then the rotating rod 3 is rotated to enable the moving module 21 to move towards two ends on the surface of the rotating rod 3 to drive the connecting rod 22 to rotate, the connecting rod 22 pushes the fixing plates 23 on two sides to move outwards to stretch the return spring 25, the limiting block 24 at the lower end of the fixing plate 23 enters the limiting groove 27 to limit the connecting plate 2, the installation and the disassembly between the connecting plate 2 and the wall body 1 are more convenient and quicker, the operation is simple, the limiting is stable, the time is saved, the working efficiency is improved, the rotating rod 3 reversely rotates, the connecting rod 22 is pulled to reset through the moving module 21, the limiting block 24 slides inwards through the elasticity of the return spring 25 to relieve the limiting on the second inserting block 26, the connecting plate 2 can be disassembled, the arc-shaped plate 13 drives the sliding block 20 to slide on the surface of the limiting rod 19 through pulling the handle 14, make slider 20 outwards promote the extrusion block 17 that makes movable plate 16 extrusion limiting spring 15 drive fixture block 18 and break away from the block connection between draw-in groove 9 through the inclined plane of extrusion block 17 surface setting, make gas collecting channel 6 can change, the gas collecting channel 6 of being convenient for carries out quick replacement and uses the gas collecting channel 6 of different shapes to satisfy the experimental demand and the gas collecting channel 6 of being convenient for takes off and washs, the stable firm easy operation of spacing is convenient after the change, promote practicality and convenience in use, pulling handle 14 resets and makes movable plate 16 reset through limiting spring 15's elasticity and carry out spacing completion installation to an inserted block 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A laboratory ventilation device, characterized in that: including wall body (1), the surperficial block of wall body (1) is connected with connecting plate (2), the inside rotation of connecting plate (2) is connected with dwang (3), the lower surface of connecting plate (2) is provided with pipe (4), elasticity joint (5) are installed to the bottom of pipe (4), the front end of pipe (4) is provided with gas collecting channel (6), the fixed surface of pipe (4) is connected with fixed module (7), the back of gas collecting channel (6) is provided with spacing module (10), slot (11) of being connected with an inserted block (8) interpolation are seted up on the surface of spacing module (10), the fixed surface of fixed module (7) is connected with an inserted block (8).

2. A laboratory ventilation device according to claim 1, characterized in that: one side of the limiting module (10) is provided with a sliding groove (12) which is connected with the arc-shaped plate (13) in a sliding mode, the arc-shaped plate (13) is arranged inside the sliding groove (12), and a handle (14) is arranged on the surface of the arc-shaped plate (13).

3. A laboratory ventilation device according to claim 1, characterized in that: a clamping groove (9) connected with a clamping block (18) in a clamping mode is formed in the surface of the first inserting block (8), a limiting spring (15) elastically connected with a moving plate (16) is arranged inside the limiting module (10), the moving plate (16) is fixedly connected to one end of the limiting spring (15), and the clamping block (18) is fixedly connected to the surface of the moving plate (16).

4. A laboratory ventilation device according to claim 3, characterized in that: the inner part of the limiting module (10) is fixedly connected with a limiting rod (19), the surface of the limiting rod (19) is connected with a sliding block (20) in a sliding mode, and the surface of the moving plate (16) is provided with an extrusion block (17).

5. A laboratory ventilation device according to claim 1, characterized in that: the surface of dwang (3) closes soon and is connected with removal module (21), the both ends of removal module (21) are rotated through the pivot and are connected with connecting rod (22), the one end of connecting rod (22) is rotated and is connected with fixed plate (23), the lower extreme fixedly connected with stopper (24) of fixed plate (23).

6. A laboratory ventilation device according to claim 1, characterized in that: the inside fixedly connected with baffle (28) of connecting plate (2), a side surface of baffle (28) is provided with reset spring (25) with stopper (24) elastic connection, the lower surface of wall body (1) is provided with No. two inserted blocks (26), No. two inserted blocks (26) inside is seted up with stopper (24) block spacing groove (27) of being connected.