CN212632719U

CN212632719U - Explosion-proof constant temperature and humidity test box

Info

Publication number: CN212632719U
Application number: CN202021147469.5U
Authority: CN
Inventors: 涂新波
Original assignee: Kunshan Keweimeite Instrument Equipment Co ltd
Current assignee: Kunshan Keweimeite Instrument Equipment Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-02
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to an explosion-proof constant temperature and humidity proof box, use in proof box equipment technical field, solved and need be with the help of external force, just can balance the problem of box internal pressure, the power distribution box comprises a box body, be provided with in the box and have open-ended holding chamber, the opening sets up the side at the box, the opening part of box is provided with the case lid, the box is articulated with the case lid, be provided with the air vent on the box lateral wall, the air vent communicates with each other with the external world, be provided with explosion-proof mechanism with the corresponding position of air vent on the outer wall of box, explosion-proof mechanism includes the casing, the one end that the casing is close to the box can be dismantled with the box and be connected, the one end of keeping away from the box of casing sets. The explosion-proof device has the advantages that the air pressure in the box body can be kept stable without external force, the explosion-proof device is small, exquisite and flexible, the structure is simple, and the installation is convenient.

Description

Explosion-proof constant temperature and humidity test box

Technical Field

The utility model relates to a proof box equipment technical field especially relates to an explosion-proof constant temperature and humidity test box.

Background

In the field of electronic processing production, a constant temperature and humidity tester is used for detecting the performance of products in various environments and testing the heat resistance, cold resistance, dry resistance and corrosion resistance of various products, and the performance effect of the products is obtained from the detection process.

Present constant temperature and humidity proof box is inclosed environment, be equipped with explosion-proof mechanism on it, constant temperature and humidity proof box during operation, the air in the box leads to the unstable phenomenon of atmospheric pressure to appear in the box because temperature sharp change, if atmospheric pressure in the unbalanced box, reach certain value back when atmospheric pressure, influence the accuracy of product test result and lead to the test product, supplementary tool and other accessories shake and then damage the product in the box, in order to balance the inside pressure of box, need just can realize the steady voltage with the help of external force usually.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof constant temperature and humidity test box has solved and has need just can balance the problem of box internal pressure with the help of external force.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an explosion-proof constant temperature and humidity test box, the power distribution box comprises a box body, be provided with in the box and have open-ended holding chamber, the opening sets up the side at the box, the opening part of box is provided with the case lid, the box is articulated with the case lid, be provided with the air vent on the box lateral wall, the air vent communicates with each other with the external world on the outer wall of box with the corresponding position of air vent is provided with explosion-proof mechanism, explosion-proof mechanism includes the casing, the casing is close to the one end of box and can dismantle with the box and be connected, the one end of keeping away from the box of casing sets up the gas vent that the steady voltage was used, the gas vent upper cover is equipped with the baffle, the baffle inlays to be established.

Further, the shape of the exhaust port on the shell is set to be rectangular, and the shape of the baffle is matched with the shape of the exhaust port on the shell.

Furthermore, a rotating shaft is arranged at the top end of the baffle, and a rotating hole for bearing the rotating shaft is correspondingly arranged at the top end of the shell.

Furthermore, a flange plate is arranged at one end, close to the box body, of the shell, a bolt hole is formed in the flange plate, and a bolt used for fixing the shell on the outer wall of the box body is arranged in the bolt hole.

Further, a flange gasket is arranged between the flange sheet and the box body.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses an explosion-proof constant temperature and humidity test box, owing to be provided with explosion-proof mechanism on the lateral wall of box, explosion-proof mechanism and the intercommunication in the box through explosion-proof mechanism, need not just can keep the box atmospheric pressure stable with the help of external force, and the small and exquisite flexibility of explosion-proof equipment, simple structure, simple to operate.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of the overall structure according to the embodiment of the present invention;

FIG. 2 is a schematic view of the movement of the baffle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an explosion-proof device according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1. a box body; 2. an accommodating cavity; 3. a box cover; 4. a vent hole; 5. an explosion-proof mechanism; 51. a housing; 52. a flange sheet; 53. bolt holes; 54. a bolt; 55. a baffle plate; 56. a rotating shaft; 57. the hole is rotated.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the explosion-proof constant temperature and humidity test chamber provided by the present invention comprises a chamber body 1, wherein a holding chamber 2 with an opening is provided in the chamber body 1, the opening is provided at the side of the chamber body 1, a chamber cover 3 is provided at the opening of the chamber body 1, the chamber body 1 is hinged to the chamber cover 3, and the holding chamber 2 is used for placing a product to be tested; when the constant temperature and humidity test box is used for detecting a product, the air pressure in the box body 1 is unstable due to rapid temperature change of the air in the box body 1, if the air pressure in the box body 1 is not stabilized timely, when the air pressure reaches a certain value, a test product, an auxiliary tool and other parts in the box body 1 are shaken, and then the product is damaged; when the air pressure in the box body 1 is lower, if the air pressure in the box body 1 is not timely stabilized, when the constant temperature and humidity test box is used for testing products, the product testing result is inaccurate.

Referring to fig. 2 and 3, further, in order to keep the air pressure in the box 1 stable, a vent hole 4 is formed in the side wall of the box 1, the vent hole 4 communicates with the outside, an explosion-proof mechanism 5 is arranged on the outer wall of the box 1 at a position corresponding to the vent hole 4, the explosion-proof mechanism 5 comprises a housing 51, the housing 51 communicates with the vent hole 4, in order to facilitate the installation of the explosion-proof mechanism 5 on the box 1, a flange plate 52 is arranged at one end of the housing 51, a bolt hole 53 is formed in the flange plate 52, a bolt 54 for fixing the housing 51 on the outer wall of the box 1 is arranged in the bolt hole 53, the flange plate 52 arranged at one end of the housing 51 can increase the contact area between the housing 51 and the outer side wall of the box 1, so that the explosion-proof mechanism 5 is more firmly fixed on the outer side wall of the box 1, a flange gasket is arranged between the flange, the phenomenon of air leakage at the installation position of the shell 51 and the box body 1 is prevented; the other end of the shell 51 is provided with an exhaust port for stabilizing pressure, a baffle 55 is arranged on the exhaust port, the baffle 55 is embedded in the shell 51 and is rotatably connected with the shell 51, the shape of the exhaust port of the shell 51 is set to be square, the shape of the baffle 55 is matched with the shape of the exhaust port on the shell 51, and when the air pressure in the box body 1 is stable, the baffle 55 blocks the port of the shell 51, so that the box body 1 keeps tightness; when the pressure in the box body 1 is increased, the baffle 55 is influenced by the difference between the internal atmospheric pressure and the external atmospheric pressure, the baffle 55 rotates towards the direction far away from the box body 1 to balance the pressure in the box body 1, and when the internal atmospheric pressure and the external atmospheric pressure of the box body 1 are the same, the baffle 55 is restored to the original position; when the pressure in the box body 1 is suddenly reduced, the box body 1 is influenced by the difference between the internal and external atmospheric pressures, the baffle 55 rotates towards the direction close to the box body 1, and when the internal and external pressures of the box body 1 are the same, the baffle 55 is restored to the original position. The explosion-proof mechanism 5 is small and flexible, and the air pressure in the box body 1 can keep stable through the explosion-proof mechanism 5 without external force.

Referring to fig. 3, a rotating shaft 56 is provided at the top end of the baffle 55, a rotating hole 57 for bearing the rotating shaft 56 is correspondingly provided at the top end of the housing 51, and the baffle 55 is conveniently installed by a worker and the baffle 55 can rotate more flexibly through the cooperation of the rotating shaft 56 and the rotating hole 57.

The utility model discloses an implement the principle: the side wall of the box body 1 is provided with a vent hole 4, an explosion-proof mechanism 5 is arranged on the outer wall of the box body 1 corresponding to the vent hole 4, and when the air pressure in the box body 1 is stable, a baffle plate 55 in the explosion-proof mechanism 5 blocks the port of the shell 51, so that the box body 1 keeps the tightness; when the pressure in the box body 1 is increased, the baffle 55 is influenced by the difference between the internal atmospheric pressure and the external atmospheric pressure, the baffle 55 rotates towards the direction far away from the box body 1 to balance the pressure in the box body 1, and when the internal atmospheric pressure and the external atmospheric pressure of the box body 1 are the same, the baffle 55 is restored to the original position; when the pressure in the box body 1 is suddenly reduced, the box body 1 is influenced by the difference between the internal and external atmospheric pressures, the baffle 55 rotates towards the direction close to the box body 1, and when the internal and external pressures of the box body 1 are the same, the baffle 55 is restored to the original position. The explosion-proof mechanism 5 is small and flexible, and the air pressure in the box body 1 can keep stable through the explosion-proof mechanism 5 without external force.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof constant temperature and humidity test box, its characterized in that, includes the box, be provided with the holding chamber that has the open-ended in the box, the opening sets up the side at the box, the opening part of box is provided with the case lid, the box is articulated with the case lid, be provided with the air vent on the box lateral wall, the air vent communicates with each other with the external the outer wall of box with the corresponding position of air vent is provided with explosion-proof mechanism, explosion-proof mechanism includes the casing, the casing is close to the one end of box and can dismantle with the box and be connected, the one end of keeping away from the box of casing sets up the gas vent that the steady voltage was used, the gas vent upper cover is equipped with the baffle, the baffle inlays to be.

2. The explosion-proof constant temperature and humidity test chamber as claimed in claim 1, wherein the shape of the air outlet on the housing is configured as a rectangle, and the shape of the baffle is matched with the shape of the air outlet on the housing.

3. The explosion-proof constant temperature and humidity test chamber as claimed in claim 2, wherein the top end of the baffle is provided with a rotating shaft, and the top end of the housing is correspondingly provided with a rotating hole for bearing the rotating shaft.

4. The explosion-proof constant temperature and humidity test chamber as claimed in any one of claims 1 to 3, wherein a flange plate is provided at one end of the housing close to the chamber body, a bolt hole is provided on the flange plate, and a bolt for fixing the housing on the outer wall of the chamber body is provided in the bolt hole.

5. The explosion-proof constant temperature and humidity test chamber of claim 4, wherein a flange gasket is arranged between the flange sheet and the chamber body.