CN220027051U

CN220027051U - Sampling cabinet with sealing structure

Info

Publication number: CN220027051U
Application number: CN202321563743.0U
Authority: CN
Inventors: 刘臻; 周小康
Original assignee: Wuxi Maixuxin Technology Co ltd
Current assignee: Wuxi Maixuxin Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-17
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses a sampling cabinet with a sealing structure, which comprises a cabinet body, and a valve chamber and a sampling chamber which are arranged on the front surface of the cabinet body, wherein the front surface of the cabinet body is rotatably provided with two cabinet doors, the top of the cabinet body is provided with an exhaust hand valve, the front surface of the cabinet body is provided with a starting button, the bottom end of the cabinet body is movably provided with a liquid receiving drawer, the inner side surface of the cabinet door is provided with a return-shaped sealing ring, the return-shaped sealing ring is inserted into the inner side of the valve chamber, the surfaces of the return-shaped sealing ring are provided with integral return-shaped raised strips, the inner walls of the valve chamber and the sampling chamber are respectively provided with a return-shaped groove, and a disassembly and assembly structure is arranged between the return-shaped sealing ring and the cabinet door; according to the utility model, the sampling cabinet in the prior art is improved, the inner side of the cabinet door is provided with the square sealing ring, so that the overall tightness of the closed cabinet door can be effectively improved, and the square sealing ring is easy to disassemble, assemble and replace subsequently through the disassembly and assembly structure, and the convenience of later maintenance is improved.

Description

Sampling cabinet with sealing structure

Technical Field

The utility model belongs to the technical field of sampling cabinets, and particularly relates to a sampling cabinet with a sealing structure.

Background

The air draft type sampling cabinet is a sampling device and mainly comprises a cabinet body, a sampling chamber, a valve chamber, an air duct, an air draft hand valve, an electric control panel, a liquid receiving drawer and other parts, when the sampling cabinet is used, a sample is placed in the sampling chamber, then the cabinet door is closed, and the air draft hand valve is opened, so that sampling operation can be performed;

however, when the air draft type sampling cabinet in the prior art is in actual use, because an effective sealing structure is not designed on the cabinet door, the overall sealing performance of the cabinet door after the cabinet door is closed is poor, so that the air draft efficiency of the air draft hand valve is reduced, the sampling efficiency is correspondingly reduced, and certain defects exist.

Disclosure of Invention

The utility model aims to provide a sampling cabinet with a sealing structure, which aims to solve the problem that the sealing performance is poor after the cabinet door of the existing sampling cabinet is closed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take seal structure's sampling cabinet, includes the cabinet body and sets up valve chamber and the sampling chamber at cabinet body front surface, the front surface rotation of the cabinet body installs two cabinet doors, the updraft handle valve is installed at the top of the cabinet body, and the front surface of the cabinet body is provided with the start button, the bottom movable mounting of the cabinet body has a liquid receiving drawer, the inboard surface mounting of cabinet door has a back shape sealing washer, and returns shape sealing washer to insert the inboard of valve chamber, the surface that returns shape sealing washer is equipped with integral type returns shape sand grip, return shape recess has all been seted up to the inner wall of valve chamber and sampling chamber, still be provided with dismouting structure between back shape sealing washer and the cabinet door, dismouting structure is including setting up two inserts at return shape sealing washer surface, two supply inserts to insert the socket of inserting the surface of cabinet door, dismouting structure is still including seting up at two inside circular inside grooves of cabinet door, circular inside groove internal rotation has installed circular inside the piece, circular inside piece's surface fixation has the limit strip, circular inside wall has seted up the corresponding chamber of circular inside piece, the clearance groove has been seted up to the surface of the spacing groove to the limit groove.

Preferably, the dismounting structure further comprises a rotating bar arranged on the outer side surface of the cabinet door, a connecting block is fixed on the front surface of the circular inner block, the front end of the connecting block penetrates through the outer side surface of the cabinet door and is fixed with the rotating bar, the dismounting structure further comprises a movable groove arranged inside the circular inner block, a spring and movable clamping beads are arranged in the movable groove, a circular clamping groove is formed in the inner wall of the circular inner groove, and the end part of the movable clamping bead is embedded into the circular clamping groove.

Preferably, the front surface of the cabinet door is provided with two round holes corresponding to the connecting blocks in a penetrating way, the round holes are communicated with the round inner groove, one end of the spring is fixed with the movable clamping beads, and the other end of the spring is fixed on the inner wall of the movable groove.

Preferably, the dismounting structure further comprises a positioning structure, the positioning structure is arranged between the inserting block and the inserting opening, the positioning structure comprises positioning protrusions and positioning clamping grooves, one side surface of the inserting block is provided with integrated positioning protrusions, one side inner wall of the inserting opening is provided with the positioning clamping grooves, and the end parts of the positioning protrusions are embedded into the positioning clamping grooves.

Preferably, a square cavity is formed in the square sealing ring, and the position of the square cavity corresponds to the square raised strip.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the sampling cabinet in the prior art is improved, the inner side of the cabinet door is provided with the square sealing ring, so that the overall tightness of the closed cabinet door can be effectively improved, and the square sealing ring is easy to disassemble, assemble and replace subsequently through the disassembly and assembly structure, and the convenience of later maintenance is improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side cross-sectional view of the connection of the cabinet door and the cabinet of the utility model;

FIG. 3 is an enlarged view of a portion of the mounting structure of FIG. 2 according to the present utility model;

FIG. 4 is a front cross-sectional view of the connection of the stop bar and the insert block of the present utility model;

in the figure: 1. a cabinet body; 2. a valve chamber; 3. a sampling chamber; 4. a liquid receiving drawer; 5. a cabinet door; 6. an air draft hand valve; 7. a start button; 8. a disassembly and assembly structure; 801. inserting blocks; 802. a socket; 803. a circular inner groove; 804. a circular inner block; 805. a limit bar; 806. a limit groove; 807. positioning the bulge; 808. positioning clamping grooves; 809. a connecting block; 810. rotating the strip; 811. a movable groove; 812. a spring; 813. a movable clamping bead; 814. a circular clamping groove; 815. a movable cavity; 9. a ring-shaped sealing ring; 901. a clip-shaped convex strip; 902. a groove in the shape of a rectangle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to fig. 4, a first embodiment of the present utility model provides a technical solution: the utility model provides a take seal structure's sampling cabinet, including cabinet body 1 and offer valve chamber 2 and the sampling chamber 3 at cabinet body 1 front surface, two cabinet doors 5 are installed in the front surface rotation of cabinet body 1, exhaust hand valve 6 is installed at the top of cabinet body 1, and the front surface of cabinet body 1 is provided with start button 7, the bottom movable mounting of cabinet body 1 connects liquid drawer 4, in the time of the actual use need put into sampling chamber 3 with the sample liquid, then close cabinet door 5, restart exhaust hand valve 6 and suction sample, make the volatile liquid of sample liquid can be sucked in valve chamber 2 through the wind channel of cabinet body 1 inside, again be sucked away through external pipeline, accomplish the suction sample of sample liquid volatile liquid, the inboard surface mounting of cabinet door 5 returns shape sealing washer 9, and return shape sealing washer 9 inserts to the inboard of valve chamber 2, return shape sealing washer 9's surface is equipped with integral type returns shape sand grip 901, the back-shaped sealing ring 9 and the back-shaped raised strips 901 are made of rubber materials, the inner walls of the valve chamber 2 and the sampling chamber 3 are provided with back-shaped grooves 902 corresponding to the back-shaped raised strips 901, so that the cabinet door 5 has good sealing performance after being closed, a disassembly and assembly structure 8 is further arranged between the back-shaped sealing ring 9 and the cabinet door 5, the disassembly and assembly structure 8 comprises two inserting blocks 801 arranged on the surface of the back-shaped sealing ring 9, the surface of the cabinet door 5 is provided with two inserting holes 802 for inserting the inserting blocks 801, the disassembly and assembly structure 8 further comprises two circular inner grooves 803 arranged inside the cabinet door 5, the circular inner grooves 803 are rotationally provided with circular inner blocks 804, the surface of the circular inner blocks 804 is fixedly provided with limiting strips 805, the inner wall of the circular inner grooves 803 is provided with movable cavities 815 corresponding to the circular inner blocks 804, the surface of the inserting blocks 801 is provided with limiting grooves 806 corresponding to the limiting strips 805, the end parts of the limiting strips 805 are screwed into the limiting grooves 806, realize the stability spacing to inserted block 801 and return shape sealing washer 9, guarantee the installation stability of return shape sealing washer 9, dismouting structure 8 still includes the rotatory strip 810 of setting at cabinet door 5 outside surface, the front surface fixed of circular interior piece 804 has connecting block 809, the front end of connecting block 809 runs through to cabinet door 5 outside surface, and fix with rotatory strip 810, it is rotatory only to follow-up, make spacing 805 unscrew spacing groove 806, and be screwed into movable cavity 815, can no longer carry out spacing to inserted block 801, at this moment, can directly pull down return shape sealing washer 9 and change the maintenance, dismouting structure 8 still includes the movable groove 811 of seting up inside circular interior piece 804, be provided with spring 812 and movable clamping bead 813 in the movable groove 811, circular clamping bead 813's tip embedding is to circular clamping groove 814 corresponding with movable clamping bead 813 in the inner wall of circular interior piece 803, make in the daily use circular interior piece 804 can obtain the block spacing, later stage operating personnel rotates when rotating rotatory strip, circular interior piece 804 also can take place the rotation, thereby make the movable clamping bead's tip can be moved into the circular groove 811 and be moved into smoothly, the operation of movable bead 813 is realized in the movable bead 813 is moved gradually.

Wherein, the front surface of cabinet door 5 runs through and has seted up two round holes corresponding with connecting block 809, and the round hole communicates with each other with circular inside groove 803.

One end of the spring 812 is fixed to the movable clamping bead 813, and the other end of the spring 812 is fixed to the inner wall of the movable groove 811, so that installation stability of the spring 812 is guaranteed.

Wherein, the back-shaped sealing ring 9 is internally provided with a back-shaped cavity, and the position of the back-shaped cavity corresponds to the back-shaped raised line 901, so that the back-shaped raised line 901 has enough deformation space when being extruded.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present utility model is based on the previous embodiment, except that the positioning structure is provided to realize the auxiliary positioning of the ring seal 9 during installation, so as to further improve the installation convenience.

Specifically, the dismounting structure 8 further comprises a positioning structure, the positioning structure is arranged between the inserting block 801 and the inserting opening 802, the positioning structure comprises a positioning protrusion 807 and a positioning clamping groove 808, an integrated positioning protrusion 807 is arranged on one side surface of the inserting block 801, the positioning protrusion 807 is made of rubber, a positioning clamping groove 808 corresponding to the positioning protrusion 807 is formed in one side inner wall of the inserting opening 802, the end portion of the positioning protrusion 807 is embedded into the positioning clamping groove 808, when the square sealing ring 9 is inserted into the inserting opening 802, the positioning protrusion 807 is extruded into the positioning clamping groove 808, the inserting block 801 and the square sealing ring 9 are subjected to auxiliary limiting, the square sealing ring 9 is prevented from falling off, at the moment, operators do subsequent limiting operation on the inserting block 801, and the square sealing ring 9 is not required to be pressed all the time in the operation process, and the positioning protrusion 807 and the positioning clamping groove 808 have the auxiliary limiting effect.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein 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 take seal structure's sampling cabinet, includes the cabinet body (1) and sets up valve chamber (2) and sampling chamber (3) at cabinet body (1) front surface, two cabinet doors (5) are installed in the front surface rotation of the cabinet body (1), convulsions hand valve (6) are installed at the top of the cabinet body (1), and the front surface of the cabinet body (1) is provided with start button (7), the bottom movable mounting of the cabinet body (1) connects liquid drawer (4), its characterized in that: the inside surface mounting of cabinet door (5) has back shape sealing washer (9), and returns shape sealing washer (9) and insert to the inboard of valve chamber (2), the surface that returns shape sealing washer (9) is equipped with integrated back shape sand grip (901), return shape recess (902) have all been seted up to the inner wall of valve chamber (2) and sample room (3), return shape sealing washer (9) and cabinet door (5) between still be provided with dismouting structure (8), dismouting structure (8) are including setting up two inserted blocks (801) at returning shape sealing washer (9) surface, two supply inserted socket (802) of inserted block (801) have been seted up on the surface of cabinet door (5), dismouting structure (8) are still including seting up two circular inside grooves (803) inside cabinet door (5), circular inside groove (803) internal block (804) have been installed to the internal rotation, the fixed surface of circular inside groove (804) has spacing (805), movable chamber (815) corresponding with circular inside block (804) have been seted up to the internal groove (803), spacing groove (805) have been seted up on the surface of inserting block (801) to the spacing groove (805).

2. The sampling cabinet with a sealing structure according to claim 1, wherein: the dismounting structure (8) further comprises a rotating strip (810) arranged on the outer side surface of the cabinet door (5), a connecting block (809) is fixed on the front surface of the circular inner block (804), and the front end of the connecting block (809) penetrates through the outer side surface of the cabinet door (5) and is fixed with the rotating strip (810).

3. The sampling cabinet with a sealing structure according to claim 2, wherein: the front surface of the cabinet door (5) is provided with two round holes corresponding to the connecting blocks (809) in a penetrating mode, and the round holes are communicated with the round inner grooves (803).

4. The sampling cabinet with a sealing structure according to claim 1, wherein: the dismounting structure (8) further comprises a movable groove (811) formed in the circular inner block (804), a spring (812) and a movable clamping bead (813) are arranged in the movable groove (811), a circular clamping groove (814) is formed in the inner wall of the circular inner groove (803), and the end part of the movable clamping bead (813) is embedded into the circular clamping groove (814).

5. The sampling cabinet with a sealing structure according to claim 4, wherein: one end of the spring (812) is fixed with the movable clamping bead (813), and the other end of the spring (812) is fixed on the inner wall of the movable groove (811).

6. The sampling cabinet with a sealing structure according to claim 1, wherein: the dismounting structure (8) further comprises a positioning structure, and the positioning structure is arranged between the plug block (801) and the socket (802).

7. The sampling cabinet with a sealing structure according to claim 6, wherein: the positioning structure comprises positioning protrusions (807) and positioning clamping grooves (808), one side surface of the insertion block (801) is provided with integrated positioning protrusions (807), one side inner wall of the insertion opening (802) is provided with the positioning clamping grooves (808), and the end parts of the positioning protrusions (807) are embedded into the positioning clamping grooves (808).

8. The sampling cabinet with a sealing structure according to claim 1, wherein: a square cavity is formed in the square sealing ring (9), and the position of the square cavity corresponds to the square raised strip (901).