Humidity control unit of temperature and humidity test box

Abstract

The utility model belongs to the technical field of humidity control units, and particularly relates to a humidity control unit of a temperature and humidity test box, which comprises a fixing frame used for being connected with the temperature and humidity test box. The gas channel is formed in the fixing frame; the moving assembly is arranged between the fixing frame and the gas channel, the rotating piece is rotated to drive the threaded rod to rotate, the threaded rod moves in the length direction of the cavity through the shell, meanwhile, the threaded rod drives the second piston to move in the cavity, the gas pressure in the cavity and the gas channel can be changed, and at the moment, the gas pressure in the cavity can be changed. The two first pistons can be pushed by air pressure to move along the inner wall of the air channel, the two moving rods synchronously move along with the two first pistons, when the two moving rods move, the moving frame can be pushed, the controller is driven to complete height adjustment at a time, repeated control is not needed, and the adjusting efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to humidity control unit technical field, especially, it relates to the humidity control unit of temperature and humidity test chamber. BACKGROUND

[0002] The humidity control unit in the temperature and humidity test chamber is one of its core components, mainly used for adjusting the humidity in the test chamber to ensure the accuracy and stability of the test environment.

[0003] For example, the Chinese patent with the announcement number CN216643738U discloses a fast-assembly height-adjustable temperature and humidity test chamber control unit support, which can adjust the height of the support during use through the designed adjusting mechanism, facilitating the operation personnel to operate the controller, and the supporting plate can be moved up and down to adjust the height, so that the operation height of the controller can be changed, and the device has wide applicability.

[0004] When adjusting the height of the control unit, the two knobs need to be rotated respectively to disassemble the two mounting blocks, then the two mounting blocks are moved to a certain height, and the two knobs are rotated again to fix the mounting blocks, so as to complete the height adjustment. The height adjustment cannot be completed at one time, and the adjustment efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing the humidity control unit of temperature and humidity test chamber to solve the problems in the above background technology, comprising:

[0006] The fixed frame is used to connect the temperature and humidity test chamber.

[0007] The gas passage is arranged in the interior of the fixed frame.

[0008] The moving assembly is arranged between the fixed frame and the gas passage, and the moving assembly will move with the change of the gas pressure of the gas passage.

[0009] The controller is used for the humidity control of the temperature and humidity test chamber, and the controller is connected with the moving assembly.

[0010] The adjusting assembly is fixed with the fixed frame and is used for adjusting the gas pressure in the gas passage to change the position of the moving assembly.

[0011] Preferably, the moving assembly comprises:

[0012] Two first pistons are arranged in the gas passage and slide along the gas passage.

[0013] Two moving rods, which are respectively fixed with two first pistons, partially pass through the fixing frame;

[0014] A moving frame, which is fixed with the two moving rods, and the controller is fixed in the moving frame.

[0015] Preferably, the adjusting assembly comprises:

[0016] A shell, which is fixed with the fixing frame;

[0017] A cavity, which is arranged in the interior of the shell and is communicated with the gas channel;

[0018] A second piston, which is arranged in the cavity and slides along the cavity;

[0019] A threaded rod, which is rotationally connected with the second piston and passes through the shell and is threadedly connected with the shell.

[0020] Preferably, the threaded rod is fixedly connected with a rotating piece, the rotating piece is a knob, and a plurality of first anti-skid grooves are arranged on the outer wall of the knob in a direction perpendicular to the circumference.

[0021] Preferably, a plurality of limiting holes are sequentially and equidistantly arranged on the surface of the threaded rod, a limiting assembly is arranged in the limiting hole, and the limiting assembly is used for fixing the position of the threaded rod.

[0022] Preferably, the limiting assembly comprises:

[0023] A fixing plate, which is fixed with the shell;

[0024] A limiting rod, which passes through the fixing plate and is slidably connected with the fixing plate, and the limiting rod is partially arranged in the limiting hole;

[0025] A pull plate, which is fixed with the limiting rod;

[0026] An elastic piece, which is arranged between the fixing plate and the pull plate, and the elastic piece can pull the fixing plate and the pull plate close to each other through the pulling force of the elastic piece.

[0027] Preferably, a plurality of pull grooves are arranged on the outer wall of the pull plate in a circumferential direction, and the elastic piece is a pull spring.

[0028] The application drives the threaded rod to rotate by rotating the rotating piece, the threaded rod moves along the length direction of the cavity by means of the shell, and meanwhile the threaded rod drives the second piston to move in the cavity, the gas pressure inside the cavity and the gas passage changes, at this time, the two first pistons are pushed to move along the inner wall of the gas passage by the gas pressure, the two moving rods move synchronously with the two first pistons, when the two moving rods move, the moving frame is pushed and the controller completes the height adjustment at one time, and it is not necessary to control for multiple times, and the adjustment efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the axial view of the utility model;

[0030] Figure 2 It is the sectional view of the utility model;

[0031] Figure 3 It is the structure schematic view of the adjusting assembly in the utility model;

[0032] Figure 4 It is the structure schematic view of the limiting assembly in the utility model.

[0033] The marks in the drawing represent:

[0034] 100, fixed frame; 200, gas passage; 300, moving assembly; 310, first piston; 320, moving rod; 330, moving frame; 400, controller; 500, adjusting assembly; 510, shell; 520, cavity; 530, second piston; 540, threaded rod; 541, limiting hole; 550, rotating piece; 551, first anti-skid groove; 600, limiting assembly; 620, limiting rod; 630, fixed plate; 640, pull disc; 641, pull groove; 650, elastic piece. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the application will be clearly described below with reference to the drawings in the embodiments of the application, obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art belong to the protection scope of the application.

[0036] As Figure 1 shown, in order to complete the height adjustment of the control unit at one time, the embodiment provides a humidity control unit of a temperature and humidity test chamber, which comprises a fixed frame 100, a gas passage 200, a moving assembly 300, a controller 400 and an adjusting assembly 500.

[0037] As Figure 1As shown, the fixing frame 100 is U-shaped, which is fixed by four plate bodies with threaded holes on the outer wall, and can be connected and fixed with the temperature and humidity test box through bolts.

[0038] As shown in Figure 1 The gas passage 200 is a U-shaped cavity, which is opened inside the fixing frame 100 along the contour of the fixing frame 100.

[0039] As shown in Figure 1 The moving assembly 300 is arranged between the fixing frame 100 and the gas passage 200, and moves with the change of the gas pressure in the gas passage 200, specifically, as shown in Figure 2 The moving assembly 300 includes two first pistons 310, two moving rods 320, and a moving frame 330. The two first pistons 310 are circular rubber cylinders, which are arranged inside the gas passage 200 and can slide along the gas passage 200. When the gas pressure in the gas passage 200 changes, the two first pistons 310 will be pushed by the gas pressure to move along the inner wall of the gas passage 200. The two moving rods 320 are cylindrical, which are fixed with the two first pistons 310 respectively, and partially protrude out of the fixing frame 100. When the two first pistons 310 move, the two moving rods 320 move synchronously with the two first pistons 310. The moving frame 330 is a U-shaped bracket with a protruding end, which is fixed with the two moving rods 320. The controller 400 is fixed in the moving frame 330. When the two moving rods 320 move, the moving frame 330 is pushed and drives the controller 400 to complete the height adjustment at one time, without the need for multiple controls, and the adjustment efficiency is higher.

[0040] As shown in Figure 1 The controller 400 is used for humidity control of the temperature and humidity test box, which can be the prior art disclosed in publication number CN216643738U, and as shown in publication number CN216643738U, the movement of the controller 400 is completed with the electrical connection of the temperature and humidity test box. The controller 400 can be detachably installed in the moving frame 330.

[0041] As shown in Figure 1 The adjusting assembly 500 is fixed with the fixing frame 100 and is used for adjusting the gas pressure in the gas passage 200 to change the position of the moving assembly 300, specifically, as shown in Figure 3As shown, the adjusting assembly 500 comprises a housing 510, a cavity 520, a second piston 530, a threaded rod 540. Wherein the housing 510 is square, the housing 510 and the fixed frame 100 are fixed away from the direction of the moving assembly 300; the cavity 520 is a circular long slot, the cavity 520 is opened in the inside of the housing 510, the cavity 520 and the gas channel 200 are communicated; the second piston 530 is a circular rubber column, the second piston 530 is arranged in the cavity 520 and slides along the cavity 520, when the second piston 530 moves in the cavity 520, the gas pressure in the cavity 520 and the gas channel 200 will change, and the driving of the moving assembly 300 is completed; the threaded rod 540 is a long cylinder with a threaded groove on the outer wall, the threaded rod 540 and the second piston 530 are rotatably connected through a bearing, the threaded rod 540 passes through the housing 510 and is screw connected with the housing 510, when the threaded rod 540 rotates, the threaded rod 540 moves along the length direction of the cavity 520 by means of the housing 510, so as to drive the second piston 530 to move.

[0042] Wherein, it needs to be emphasized that the application adopts gas as the medium of height adjustment, after the height adjustment is completed, the gravity and the gas pressure of the device belong to the balance state, when the device is impacted by external impact and breaks this balance state, the external impact can be buffered by means of the compression of the gas, and the damage caused by the impact also belongs to one of the beneficial effects of the height adjustment device of the application.

[0043] In order to facilitate the rotation of the threaded rod 540, in a further scheme, as shown in Figure 3 The threaded rod 540 is fixedly connected with a rotating piece 550, the rotating piece 550 is a knob, a plurality of first anti-skid grooves 551 are opened on the outer wall of the knob in the direction perpendicular to the circumference, which can increase the contact area with the hand and reduce the sliding probability.

[0044] In order to prevent the threaded rod 540 from rotating due to external accidental touch or gravity, vibration and other reasons, and cause the height change of the controller 400, in a further scheme, as shown in Figure 4As shown, the surface of the threaded rod 540 is sequentially and equidistantly provided with a plurality of limiting holes 541, the limiting holes 541 are circular holes, and a limiting assembly 600 is arranged in the limiting holes 541, the limiting assembly 600 is used for fixing the position of the threaded rod 540 and preventing accidental rotation, specifically, the limiting assembly 600 comprises a limiting rod 620, a fixed plate 630, a pull plate 640 and an elastic member 650. Wherein, the fixed plate 630 is a square plate, and the fixed plate 630 is fixed to the bottom of the shell 510; the limiting rod 620 is a long circular cylinder, the limiting rod 620 penetrates through the fixed plate 630 and is in sliding connection with the fixed plate 630, and the limiting rod 620 is partially arranged in the limiting hole 541, thus, when the limiting rod 620 is inserted into the limiting hole 541, the threaded rod 540 cannot be normally rotated, and the stability of the threaded rod 540 is improved; the pull plate 640 is a disc, and the pull plate 640 is fixed to the direction away from the limiting hole 541 of the limiting rod 620, the limiting rod 620 can be pulled out from the limiting hole 541 by pulling the pull plate 640, so that the threaded rod 540 can be normally used; the elastic member 650 is an elastic material with tension, and the elastic member 650 is arranged between the fixed plate 630 and the pull plate 640, and the elastic member 650 can pull the fixed plate 630 and the pull plate 640 close to each other by the tension of the elastic member 650, at this time, the pull plate 640 drives the limiting rod 620 to be reinserted into the limiting hole 541, specifically, the elastic member 650 is a tension spring.

[0045] In order to improve the stability of the pull plate 640, in a further scheme, a plurality of pull grooves 641 are arranged on the outer wall of the pull plate 640 along the circumferential direction, so as to increase the contact area with the hand and reduce the sliding when pulling.

[0046] The embodiments of the present application are described above in combination with the drawings, the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, all of which belong to the protection of the present application.

Claims

1. A humidity control unit for a temperature and humidity test chamber, characterized in that, include: A mounting bracket (100) is used to connect the temperature and humidity test chamber; Gas passage (200) is provided inside the fixture (100); A movable component (300) is disposed between a fixed frame (100) and a gas channel (200), and the movable component (300) moves as the gas pressure in the gas channel (200) changes; A controller (400) for humidity control of a temperature and humidity test chamber, the controller (400) being connected to a moving component (300); An adjustment component (500) is fixed to a fixed frame (100) and used to adjust the air pressure inside the gas channel (200), thereby changing the position of the moving component (300); A limiting component (600) is connected to an adjusting component (500) and is used to limit the movement of the adjusting component (500).

2. The humidity control unit of the temperature and humidity test chamber according to claim 1, characterized in that, The moving component (300) includes: Two first pistons (310) are disposed in the gas passage (200) and slide along the gas passage (200); Two movable rods (320) are fixed to two first pistons (310) respectively, and the two movable rods (320) partially protrude from the fixing frame (100). A movable frame (330) is fixed together with two movable rods (320), and a controller (400) is fixed inside the movable frame (330).

3. The humidity control unit of the temperature and humidity test chamber according to claim 1, characterized in that, The adjustment component (500) includes: The housing (510) and the fixing frame (100) are fixed together; A cavity (520) is formed inside the housing (510), and the cavity (520) is connected to a gas passage (200); The second piston (530) is disposed inside the cavity (520) and slides along the cavity (520); A threaded rod (540) is rotatably connected to a second piston (530), the threaded rod (540) passes through a housing (510) and is threadedly connected to the housing (510).

4. The humidity control unit of the temperature and humidity test chamber according to claim 3, characterized in that, The threaded rod (540) is fixedly connected to a rotating component (550), which is a knob. The outer wall of the knob is provided with several first anti-slip grooves (551) in a direction perpendicular to the circumference.

5. The humidity control unit of the temperature and humidity test chamber according to claim 3, characterized in that, The surface of the threaded rod (540) is provided with a plurality of limiting holes (541) at equal intervals. The limiting holes (541) are provided with limiting components (600) inside, and the limiting components (600) are used to fix the position of the threaded rod (540).

6. The humidity control unit of the temperature and humidity test chamber according to claim 5, characterized in that, The limiting component (600) includes: A fixing plate (630) is fixed to the housing (510); A limiting rod (620) passes through a fixing plate (630) and is slidably connected to the fixing plate (630). The limiting rod (620) is partially disposed inside a limiting hole (541). Pull plate (640), wherein the pull plate (640) and the limiting rod (620) are fixed together; An elastic element (650) is installed between the fixed plate (630) and the pull plate (640). The elastic element (650) can pull the fixed plate (630) and the pull plate (640) closer together by its own tension.

7. The humidity control unit of the temperature and humidity test chamber according to claim 6, characterized in that, The outer wall of the pull plate (640) is provided with a plurality of pull grooves (641) along the circumferential direction, and the elastic element (650) is a tension spring.

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