CN215598436U

CN215598436U - Portable gas metering device for chemistry experiments

Info

Publication number: CN215598436U
Application number: CN202121844213.4U
Authority: CN
Inventors: 俞伟栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-21
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to the field of special equipment for laboratories, in particular to a portable gas metering device for chemical experiments, which comprises a box body, wherein the top of the box body is fixedly connected with a handle, one side of the handle is provided with a movable door, four sides of the box body are respectively provided with a buffer mechanism, and two anti-falling assemblies which are distributed on two sides of the movable door are arranged in the box body. The utility model has the advantages that: this portable gas metering device for chemistry experiments, through setting up anti-falling subassembly, can prevent that the dodge gate from receiving the influence of impact and flicking the condition that leads to inside instrument to drop and taking place, the condition that drops to outside and lead to damaging of inside instrument when effectively having avoided receiving the striking takes place, the protective properties of box has effectively been improved, when taking place the striking, can drive the inside that inert gas promoted the gag lever post and inserts the draw-in groove through the catch bar to carry on spacingly to the dodge gate, prevent that the dodge gate from flicking.

Description

Portable gas metering device for chemistry experiments

Technical Field

The utility model relates to the field of special equipment for laboratories, in particular to a portable gas metering device for chemical experiments.

Background

During chemical experiment, often need use gas metering device, current gas metering instrument need put on experimental mesa when using, because gas metering instrument volume is great, current gas metering instrument exposes the instrument in the outside mostly, can not play the guard action, should not carry the transport.

Through the retrieval, chinese patent discloses a portable gas metering device for chemistry experiments (publication number is CN211504198U), this patent technology can mention the work box through the handle, portable transportation, and outside work box can protect the instrument, avoid receiving external damage, but in the in-process of carrying the transportation, the work box receives the collision or when dropping, inside instrument is easy because the impact is impaired even the door is bounced off by the impact, lead to the condition of inside instrument damage that drops to take place, consequently, technical staff in the art provides a portable gas metering device for chemistry experiments, with the problem of proposing in solving above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a portable gas metering device for chemical experiments.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a portable gas metering device for chemistry experiments, includes the box, the top fixedly connected with handle of box, one side of handle is provided with the dodge gate, four sides of box all are provided with buffer gear, the inside of box is provided with quantity and just distributes the anti-falling subassembly that is located the dodge gate both sides for two.

Preferably, buffer gear includes first buffer board, first buffer board sets up in one side of box, one side of first buffer board is provided with the second buffer board, be provided with evenly distributed's buffering subassembly between first buffer board and the second buffer board, be close to the cavity has all been seted up to one side of the first buffer board of dodge gate and second buffer board.

Through adopting above-mentioned technical scheme, through setting up buffer gear, can reduce the transmission of impact force under the effect of first buffer board and second buffer board when receiving the striking to reduce inside instrument and receive the influence of impact force.

Preferably, the buffer assembly comprises a shell and a connecting rod, one side of the shell is fixedly connected with one side of the first buffer plate, one end of the connecting rod is fixedly connected with one side of the second buffer plate, and the other end of the connecting rod penetrates through the shell in a sliding mode and extends to the inside of the shell.

Through adopting above-mentioned technical scheme, can further reduce the influence that inside instrument received the impact through setting up buffering subassembly, further improve the crashproof performance of box.

Preferably, the inner wall of the shell is provided with an air bag, one side of the air bag is in contact with one end of the connecting rod, and the surface of the connecting rod is fixedly connected with resistance increasing blocks which are uniformly distributed.

Through adopting above-mentioned technical scheme, the gasbag can effectively reduce the transmission of striking power, increases and hinders the piece and can increase the frictional force between connecting rod and the casing to subdue some striking power through frictional force, further reduced inside instrument and received the influence of striking power.

Preferably, the anti-falling assembly comprises a through hole and a limiting clamping groove, the through hole is arranged in the box body, the clamping groove is arranged on one side of the movable door, the inner wall of the through hole starts to be provided with first movable grooves which are uniformly distributed, and inert gas is filled in the through hole.

Through adopting above-mentioned technical scheme, through setting up the anti-falling subassembly, can prevent under the cooperation of corresponding part that the condition that the dodge gate bullet opened when receiving the striking takes place, avoided the dodge gate bullet to open and lead to the condition emergence that the internal instrument dropped the damage.

Preferably, the inner wall sliding connection of first activity groove has the catch bar, the one end of catch bar run through first activity groove and box in proper order and with one side fixed connection of second buffer board.

Through adopting above-mentioned technical scheme, when the striking takes place, the second buffer board can drive the catch bar and make inert gas remove.

Preferably, a second movable groove is formed in the inner wall of one side, close to the clamping groove, of the through hole, and a limiting rod matched with the clamping groove is connected to the inner wall of the second movable groove in a sliding mode.

Through adopting above-mentioned technical scheme, under inert gas's removal, drive the gag lever post and insert the draw-in groove in, carry out spacing prevention dodge gate bullet to the dodge gate and open.

The utility model has the following advantages:

1. according to the portable gas metering device for the chemical experiment, the falling-off prevention assembly is arranged, so that the condition that the inner instrument falls off due to the fact that the movable door is flicked under the influence of impact force can be prevented, the condition that the inner instrument falls off to the outside and is damaged when the movable door is impacted is effectively avoided, the protection performance of the box body is effectively improved, and when the movable door is impacted, the inert gas can be driven by the push rod to push the limiting rod to be inserted into the clamping groove, so that the movable door is limited, and the movable door is prevented from flicking;

2. this portable gas metering device for chemistry experiments, through setting up buffer gear, can reduce the transmission of striking power, reduce the influence that inside instrument received the striking power, when taking place the striking, under the effect of first buffer board and second buffer board, can effectively reduce the transmission of striking power, can further reduce the striking power simultaneously under the effect of buffering subassembly at the in-process of transmission, effectively improved the crashproof performance of box, reduced the influence that inside instrument received the striking power.

Drawings

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

FIG. 2 is a cross-sectional perspective view of the present invention;

FIG. 3 is a schematic view of a buffer assembly according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a box body; 2. a buffer mechanism; 3. an anti-drop assembly; 4. a buffer assembly; 101. a handle; 102. a movable door; 201. a first buffer plate; 202. a second buffer plate; 203. a cavity; 301. a through hole; 302. a first movable slot; 303. a second movable slot; 304. a limiting rod; 305. a card slot; 306. a push rod; 401. a housing; 402. a connecting rod; 403. an air bag; 404. and a resistance increasing block.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1-4, a portable gas metering device for chemical experiments, which comprises a box body 1, a handle 101 is fixedly connected to the top of the box body 1, the box body 1 can be lifted by the handle 101, a movable door 102 is arranged on one side of the handle 101 for carrying and transporting, buffer mechanisms 2 are arranged on four sides of the box body 1, the buffer mechanisms 2 can reduce the transmission of impact force, the influence of the impact force on instruments inside the box body 1 is reduced, two anti-drop assemblies 3 are arranged inside the box body 1 and distributed on two sides of the movable door 102, and the anti-drop assemblies 3 can avoid the situation that the movable door 102 is bounced off due to the influence of the impact force.

As a preferred technical solution of the present invention, as shown in fig. 2 or fig. 3, the buffer mechanism 2 includes a first buffer plate 201, the first buffer plate 201 is disposed at one side of the box body 1, a second buffer plate 202 is disposed at one side of the first buffer plate 201, the buffer assemblies 4 are disposed between the first buffer plate 201 and the second buffer plate 202 and are uniformly distributed, cavities 203 are disposed at one sides of the first buffer plate 201 and the second buffer plate 202, which are close to the movable door 102, and by disposing the first buffer plate 201, when the box body 1 collides or falls, the impact force is firstly contacted with the first buffer plate 201, then transmitted to the second buffer plate 202 through the buffer assemblies 4, and then transmitted to the box body 1, at this time, the transmission of the impact force is reduced under the effect of the first buffer plate 201 and the second buffer plate 202, thereby reducing the influence of the internal instrument from the impact force.

As a preferred embodiment of the present invention, as shown in fig. 3, the buffer assembly 4 includes a housing 401 and a connecting rod 402, one side of the housing 401 is fixedly connected to one side of the first buffer plate 201, one end of the connecting rod 402 is fixedly connected to one side of the second buffer plate 202, and the other end of the connecting rod 402 slidably penetrates through the housing 401 and extends into the housing 401, so that when a collision occurs, the impact force drives the first buffer plate 201 to slide the housing 401 along the connecting rod 402.

As a preferred technical solution of the present invention, as shown in fig. 3, an air bag 403 is disposed on an inner wall of a housing 401, one side of the air bag 403 contacts with one end of a connecting rod 402, evenly distributed resistance increasing blocks 404 are fixedly connected to a surface of the connecting rod 402, in the moving process of the housing 401, an impact force is firstly transmitted to the air bag 403, the transmitted impact force is further reduced under the action of the air bag 403, and then the impact force is transmitted to the connecting rod 402, and when the housing 401 moves along the connecting rod 402, the resistance increasing blocks 404 disposed on the surface of the connecting rod 402 can increase a friction force between the connecting rod 402 and the inner wall of the housing 401, thereby further reducing the transmitted impact force.

As a preferred technical solution of the present invention, as shown in fig. 2 or fig. 4, the anti-drop assembly 3 includes a through hole 301 and a limiting slot 305, the through hole 301 is opened inside the box body 1, the slot 305 is opened on one side of the movable door 102, first movable grooves 302 are uniformly distributed on an inner wall of the through hole 301, inert gas is filled inside the through hole 301, the through hole 301 is configured to store the inert gas, the first movable grooves 302 are configured to mount corresponding components, and the slot 305 is configured to cooperate with the corresponding components to prevent the movable door 102 from being bounced open due to an impact.

As a preferred technical solution of the present invention, as shown in fig. 2 or fig. 4, a push rod 306 is slidably connected to an inner wall of the first movable slot 302, one end of the push rod 306 sequentially penetrates through the first movable slot 302 and the box body 1 and is fixedly connected to one side of the second buffer plate 202, and when an impact occurs, the impact force is weakened by the buffer mechanism 2, and then the second buffer plate 202 is driven to drive the push rod 306 to slide along the direction of the through hole 301 of the first movable slot 302, and push the inert gas inside the through hole 301 to move.

As a preferred technical solution of the present invention, as shown in fig. 2 or fig. 4, a second movable groove 303 is formed in an inner wall of one side of the through hole 301 close to the clamping groove 305, a limiting rod 304 matched with the clamping groove 305 is slidably connected to an inner wall of the second movable groove 303, and under the movement of the inert gas, the limiting rod 304 is pushed to move along the second movable groove 303, so that the limiting rod 304 gradually penetrates through the second movable groove 303 and is inserted into the clamping groove 305, thereby limiting the movable door 102, preventing the movable door 102 from bouncing off to cause falling of internal instruments, and effectively reducing the impact on the device.

The working process of the utility model is as follows:

s1, when collision or falling occurs, the impact force firstly passes through the buffer mechanism 2, the transmission of the impact force can be greatly reduced under the action of the buffer mechanism 2, and the influence of the impact force on instruments in the box body 1 is reduced;

s2, in the second process, the buffer assembly 4 can effectively reduce the transmission of the impact force, and the impact force can be further reduced under the combined action of the air bag 403 and the resistance increasing block 404;

s3, the impact that buffer gear 2 subducted drives second buffer board 202 to the in-process that box 1 removed, and second buffer board 202 drives catch bar 306 and removes to at catch bar 306' S removal in-process, extrude the inside inert gas of through-hole 301, thereby make the inside of gag lever post 304 insertion draw-in groove 305, spacing to dodge gate 102, prevent that dodge gate 102 from popping out.

In conclusion, the portable gas metering device for chemical experiments can prevent the movable door 102 from falling off due to the impact force, effectively avoid the damage caused by the internal instrument falling off to the outside when being impacted, effectively improve the protection performance of the box body 1, and can drive the inert gas to push the limiting rod 304 to be inserted into the clamping groove 305 through the pushing rod 306 when the impact occurs, so as to limit the movable door 102 and prevent the movable door 102 from bouncing off, reduce the impact force transmission and the impact force influence on the internal instrument by arranging the buffer mechanism 2, when the impact occurs, firstly, under the action of the first buffer plate 201 and the second buffer plate 202, the impact force transmission can be effectively reduced, and simultaneously, the impact force can be further reduced under the action of the buffer component 4 in the transmission process, the anti-collision performance of the box body 1 is effectively improved, the influence of impact on internal instruments is reduced, and meanwhile the buffer mechanism 2 drives the anti-falling assembly 3 to work to prevent the movable door 102 from bouncing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable gas metering device for chemistry experiments which characterized in that: the anti-dropping device comprises a box body (1), wherein a handle (101) is fixedly connected to the top of the box body (1), a movable door (102) is arranged on one side of the handle (101), buffering mechanisms (2) are arranged on four sides of the box body (1), and anti-dropping assemblies (3) which are two in number and distributed on two sides of the movable door (102) are arranged in the box body (1).

2. A portable gas metering device for chemical experiments, according to claim 1, wherein: buffer gear (2) include first buffer board (201), first buffer board (201) set up in one side of box (1), one side of first buffer board (201) is provided with second buffer board (202), be provided with evenly distributed's buffering subassembly (4) between first buffer board (201) and second buffer board (202), be close to cavity (203) have all been seted up to one side of first buffer board (201) and second buffer board (202) of dodge gate (102).

3. A portable gas metering device for chemical experiments, according to claim 2, wherein: buffer unit (4) include casing (401) and connecting rod (402), one side of casing (401) and one side fixed connection of first buffer board (201), one end and one side fixed connection of second buffer board (202) of connecting rod (402), the other end of connecting rod (402) slides and runs through casing (401) and extends to the inside of casing (401).

4. A portable gas metering device for chemical experiments, according to claim 3, wherein: the inner wall of the shell (401) is provided with an air bag (403), one side of the air bag (403) is in contact with one end of the connecting rod (402), and resistance increasing blocks (404) which are uniformly distributed are fixedly connected to the surface of the connecting rod (402).

5. A portable gas metering device for chemical experiments according to claim 1 or 2, wherein: prevent falling subassembly (3) and include through-hole (301) and spacing draw-in groove (305), the inside of box (1) is seted up in through-hole (301), draw-in groove (305) are seted up in dodge gate (102) one side, the inner wall of through-hole (301) begins to have evenly distributed's first movable groove (302), the inside packing of through-hole (301) has inert gas.

6. A portable gas metering device for chemical experiments, according to claim 5, wherein: the inner wall sliding connection of first activity groove (302) has catch bar (306), the one end of catch bar (306) run through first activity groove (302) and box (1) in proper order and with one side fixed connection of second buffer board (202).

7. The portable gas metering device for chemical experiments as claimed in claim 6, wherein: a second movable groove (303) is formed in the inner wall of one side, close to the clamping groove (305), of the through hole (301), and a limiting rod (304) matched with the clamping groove (305) is connected to the inner wall of the second movable groove (303) in a sliding mode.