CN215339120U

CN215339120U - Vacuum box for sampling of atmospheric sampling bag

Info

Publication number: CN215339120U
Application number: CN202121666915.8U
Authority: CN
Inventors: 韩冬; 李荣彩
Original assignee: Hebei Runfeng Environmental Testing Service Co ltd
Current assignee: Hebei Runfeng Environmental Testing Service Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-28
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a vacuum box for sampling an atmosphere sampling bag, which comprises a vacuum box, wherein a sampling bag is arranged in the vacuum box; the bottom of vacuum box is provided with the base, the installation cavity with vacuum box matched with is seted up at the top of base, and the inside both sides of installation cavity all run through and have seted up first opening, and the first open-ended both sides of the inside of installation cavity and perpendicular to all run through and have seted up the second opening, and second opening and first open-ended inside all are provided with buffer gear, and buffer gear's top is connected with the bottom of vacuum box. According to the utility model, through the matched use of the base, the buffer mechanism and the connecting assembly, the bearing plate can play a certain buffer effect on the vacuum box under the action of the guide block and the first spring, so that the damage caused by the fact that the vacuum box accidentally drops and is directly contacted with the ground is effectively avoided, the service life of the vacuum box is effectively ensured, and the use requirements of people can be better met.

Description

Vacuum box for sampling of atmospheric sampling bag

Technical Field

The utility model relates to the technical field of gas sampling equipment, in particular to a vacuum box for sampling an atmosphere sampling bag.

Background

In recent years, the requirement on air quality in China is gradually improved, and the function of the air sampler is gradually highlighted. The air sample collected by the air sampler is directly related to the measurement of the air quality, so the sample collection accuracy of the air sampler has direct influence on the later air quality judgment and the air environment management.

Patent No. CN201921503899.3 discloses a vacuum box gas sampler, it includes the vacuum box, be located the inside air pocket of vacuum box, hold the telescopic machanism of air pocket, detect the position switch group of air pocket position, the real-time extrusion telescopic machanism of air pocket inflation process, telescopic machanism is down to trigger each position switch of position switch group in proper order, it is inaccurate whether full of the air pocket that has solved vacuum box sampler existence among the prior art effectively, cause the air pocket to rise brokenly even, can only detect defects such as the air pocket of a model, however, it has following defect when using: when the user drops at the in-process accident that carries, because this vacuum box lacks protection architecture to make vacuum box direct and ground contact at the in-process that drops, thereby cause vacuum box direct damage, can not be fine satisfy in people's user demand.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the vacuum box for sampling the atmosphere sampling bag, which has the advantages of playing a role in buffering and protecting the vacuum box, and further solves the problems in the background art.

(II) technical scheme

In order to realize the advantages of playing a role in buffering and protecting the vacuum box, the utility model adopts the following specific technical scheme:

a vacuum box for sampling an atmosphere sampling bag comprises a vacuum box, wherein a sampling bag is arranged in the vacuum box; the bottom of vacuum box is provided with the base, the installation cavity with vacuum box matched with is seted up at the top of base, and the inside both sides of installation cavity all run through and have seted up first opening, and the first open-ended both sides of the inside of installation cavity and perpendicular to all run through and have seted up the second opening, and second opening and first open-ended inside all are provided with buffer gear, and buffer gear's top is connected with the bottom of vacuum box.

Further, for the convenience of sampling the atmosphere by workers, the surface of the vacuum box is provided with a pressure gauge, air nozzles are arranged on two sides of the vacuum box, and a lifting handle is arranged at the top of the vacuum box.

Further, in order to play certain buffering effect to the vacuum box, avoid the accident of vacuum box to drop with the damage that ground direct contact caused, buffer gear includes the loading board, the both ends of loading board all are provided with coupling assembling, and first opening and second open-ended inner wall all seted up with coupling assembling matched with mounting groove, the standing groove with vacuum box matched with has all been seted up to the inboard of loading board, the inner wall of standing groove evenly is provided with a plurality of spacing subassemblies, and the bottom outside of vacuum box has seted up a plurality of spacing grooves with spacing subassembly matched with. Coupling assembling is including installing in the guide block at loading board both ends, and the middle part interlude of guide block is provided with the guide arm, and the both ends of guide arm are connected with the interior top and the interior bottom of mounting groove respectively, and the top outside and the bottom outside of guide arm all overlap and are equipped with first spring.

Further, for the convenience of installation and placement of the limiting assemblies, a plurality of mounting holes matched with the limiting assemblies are formed in the inner wall of the placing groove.

Furthermore, the limiting assembly comprises a sleeve arranged in the mounting hole, a moving block is arranged in the sleeve, one side of the moving block is connected with the inner wall of the sleeve through a second spring, a limiting column is arranged on the other side of the moving block, and one end, far away from the moving block, of the limiting column penetrates through the sleeve and is connected with a limiting groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a vacuum box for sampling an atmospheric sampling bag, which has the following beneficial effects:

(1) the bearing plate can play a certain buffering effect on the vacuum box under the action of the guide block and the first spring, so that the damage caused by the fact that the vacuum box accidentally drops and directly contacts the ground is effectively avoided, the service life of the vacuum box is effectively guaranteed, and the use requirements of people can be better met.

(2) The limiting column can be connected with the limiting groove at the bottom of the vacuum box quickly by using the limiting assembly, so that the vacuum box can be installed and detached quickly from the base, and the detaching requirement of the vacuum box can be met better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of a vacuum box for sampling an atmospheric sampling bag according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of the internal structure of a vacuum box in a vacuum box for sampling an atmospheric sampling bag according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a base in a vacuum chamber for sampling an atmospheric sampling bag according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a buffer mechanism in a vacuum chamber for sampling an atmospheric sampling bag, according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a carrier plate in a vacuum chamber for sampling an atmospheric sampling bag according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a limiting assembly in a vacuum chamber for sampling an atmospheric sampling bag according to an embodiment of the utility model.

In the figure:

1. a vacuum box; 2. a sampling bag; 3. a base; 4. a mounting cavity; 5. a first opening; 6. a second opening; 7. a buffer mechanism; 8. a pressure gauge; 9. an air tap; 10. a handle; 11. a carrier plate; 12. mounting grooves; 13. a placement groove; 14. a limiting component; 15. a limiting groove; 16. a guide block; 17. a guide bar; 18. a first spring; 19. mounting holes; 20. a sleeve; 21. a moving block; 22. a second spring; 23. a limiting column.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a vacuum box for sampling of an atmospheric sampling bag is provided.

The present invention will now be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-6, according to an embodiment of the present invention, the present invention includes a vacuum box 1, a sampling bag 2 is disposed inside the vacuum box 1; vacuum chamber 1's bottom is provided with base 3, and this base 3 adopts the rubber material to make, thereby can play better buffering effect at the in-process with ground contact, base 3's top seted up with vacuum chamber 1 matched with installation cavity 4, first opening 5 has all been run through to the inside both sides of installation cavity 4, second opening 6 has all been run through to the inside of installation cavity 4 and the both sides of the first opening 5 of perpendicular to, second opening 6 and first opening 5's inside all is provided with buffer gear 7, and buffer gear 7's top is connected with vacuum chamber 1's bottom.

By means of the technical scheme, the vacuum box 1 can be buffered to a certain extent by matching the base 3 and the buffer mechanism 7, so that the damage caused by the fact that the vacuum box 1 accidentally drops and directly contacts with the ground is effectively avoided, the service life of the vacuum box 1 is effectively guaranteed, and the use requirements of people can be better met.

In one embodiment, the surface of the vacuum box 1 is provided with a pressure gauge 8, both sides of the vacuum box 1 are provided with air nozzles 9, and the top of the vacuum box 1 is provided with a handle 10, so that a worker can sample the atmosphere conveniently.

In one embodiment, buffer gear 7 includes loading board 11, the both ends of loading board 11 are connected with first opening 5's inner wall both sides respectively, loading board 11's inboard has all been seted up with vacuum box 1 matched with standing groove 13, standing groove 13's inner wall evenly is provided with a plurality of spacing subassemblies 14, and vacuum box 1's the bottom outside seted up a plurality of spacing grooves 15 with spacing subassembly 14 matched with, loading board 11's both ends all are provided with coupling assembling, and first opening 5 and second opening 6's inner wall has all seted up and has been connected coupling assembling matched with mounting groove 12. The connecting assembly comprises guide blocks 16 installed at two ends of the bearing plate 11, guide rods 17 are inserted into the middle of the guide blocks 16, two ends of each guide rod 17 are connected with the inner top and the inner bottom of the corresponding mounting groove 12 respectively, and first springs 18 are sleeved on the outer sides of the top and the outer sides of the bottom of each guide rod 17. Through the cooperation use of buffer gear 7 and coupling assembling for loading board 11 can play certain buffering effect to vacuum box 1 under the effect of guide block 16 and first spring 18, thereby has avoided effectively because of the unexpected damage that drops and cause with ground direct contact of vacuum box 1, thereby has guaranteed vacuum box 1's life effectively, can satisfy in people's user demand better.

In one embodiment, the inner wall of the placement groove 13 is provided with a plurality of mounting holes 19 matched with the limiting assemblies 14, so that the installation and placement of the limiting assemblies 14 are facilitated.

In one embodiment, the limiting assembly 14 includes a sleeve 20 installed inside the mounting hole 19, a moving block 21 is disposed inside the sleeve 20, one side of the moving block 21 is connected to the inner wall of the sleeve 20 through a second spring 22, a limiting post 23 is disposed on the other side of the moving block 21, and one end of the limiting post 23, which is far away from the moving block 21, penetrates through the sleeve 20 and is connected to the limiting groove 15. Through the use of the limiting component 14, the limiting column 23 can be connected with the limiting groove 15 at the bottom of the vacuum box 1 quickly, so that the vacuum box 1 and the base 3 can be installed and disassembled quickly, and the disassembling requirement of the vacuum box 1 can be met better.

The working principle is as follows: during installation, the vacuum box 1 is placed in the reverse placing groove 13 of the bearing plate 11 on the base 3, and the vacuum box 1 is continuously pressed downwards, so that the limiting column 23 is pressed at the bottom of the vacuum box 1 and the second spring 22 is compressed to drive the limiting column 23 to move inwards until the limiting column 23 is contacted with the limiting groove 15 and fixed, and at the moment, the connection between the vacuum box 1 and the base 3 can be completed. When the vacuum box 1 accidentally drops, the base 3 at the bottom of the vacuum box 1 is firstly contacted with the ground, so that the vacuum box 1 drives the bearing plate 11 to move downwards, the guide block 16 moves downwards along the guide rod 17 and compresses the first spring 18, and a certain buffering effect is achieved on the vacuum box 1 under the counter-acting force of the first spring 18.

In summary, according to the above technical solution of the present invention, the base 3, the buffering mechanism 7 and the connecting assembly are used in cooperation, so that the bearing plate 11 can play a certain buffering effect on the vacuum box 1 under the action of the guide block 16 and the first spring 18, thereby effectively avoiding damage caused by the vacuum box 1 accidentally dropping and directly contacting with the ground, effectively ensuring the service life of the vacuum box 1, and better meeting the use requirements of people.

In addition, through the use of spacing subassembly 14 for spacing post 23 can realize fast being connected with the spacing groove 15 of vacuum box 1 bottom, thereby can realize fast the installation and the dismantlement between vacuum box 1 and the base 3, can satisfy the dismantlement demand in vacuum box 1 better.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A vacuum box for sampling an atmospheric sampling bag comprises a vacuum box (1), wherein a sampling bag (2) is arranged in the vacuum box (1);

the method is characterized in that: the bottom of vacuum box (1) is provided with base (3), the top of base (3) seted up with vacuum box (1) matched with installation cavity (4), the inside both sides of installation cavity (4) all run through and have seted up first opening (5), the inside and the perpendicular to of installation cavity (4) the both sides of first opening (5) all run through and have seted up second opening (6), second opening (6) reach the inside of first opening (5) all is provided with buffer gear (7), just the top of buffer gear (7) with the bottom of vacuum box (1) is connected.

2. The vacuum box for sampling the atmosphere sampling bag according to claim 1, characterized in that the surface of the vacuum box (1) is provided with a pressure gauge (8), both sides of the vacuum box (1) are provided with air nozzles (9), and the top of the vacuum box (1) is provided with a handle (10).

3. The vacuum box for sampling the atmospheric sampling bag according to claim 1 or 2, wherein the buffer mechanism (7) comprises a bearing plate (11), two ends of the bearing plate (11) are respectively connected with two sides of the inner wall of the first opening (5), a placing groove (13) matched with the vacuum box (1) is formed in each of the inner sides of the bearing plate (11), a plurality of limiting assemblies (14) are uniformly arranged on the inner wall of each placing groove (13), and a plurality of limiting grooves (15) matched with the limiting assemblies (14) are formed in the outer side of the bottom of the vacuum box (1).

4. The vacuum box for sampling the atmosphere sampling bag according to claim 3, wherein the two ends of the bearing plate (11) are provided with connecting components, and the inner walls of the first opening (5) and the second opening (6) are provided with mounting grooves (12) matched with the connecting components.

5. The vacuum box for sampling the atmosphere sampling bag according to claim 4, wherein the connecting assembly comprises guide blocks (16) installed at two ends of the bearing plate (11), a guide rod (17) is inserted into the middle of each guide block (16), two ends of each guide rod (17) are respectively connected with the inner top and the inner bottom of the corresponding installation groove (12), and first springs (18) are sleeved on the outer sides of the top and the bottom of each guide rod (17).

6. The vacuum box for sampling the atmospheric sampling bag according to claim 4 or 5, wherein the inner wall of the placing groove (13) is provided with a plurality of mounting holes (19) matched with the limiting assemblies (14).

7. The vacuum box for sampling the atmosphere sampling bag according to claim 6, wherein the limiting component (14) comprises a sleeve (20) installed inside the installation hole (19), a moving block (21) is arranged inside the sleeve (20), one side of the moving block (21) is connected with the inner wall of the sleeve (20) through a second spring (22), a limiting column (23) is arranged on the other side of the moving block (21), and one end, far away from the moving block (21), of the limiting column (23) penetrates through the sleeve (20) and is connected with the limiting groove (15).