CN213222219U

CN213222219U - Constant temperature and humidity test box

Info

Publication number: CN213222219U
Application number: CN202021967531.5U
Authority: CN
Inventors: 郎锡锋; 李春丽
Original assignee: Jiangsu Anying Environmental Equipment Co ltd
Current assignee: Jiangsu Anying Environmental Equipment Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-18
Anticipated expiration: 2030-09-09

Abstract

The utility model belongs to the technical field of proof box and specifically relates to a constant temperature and humidity test box is related to, including the box, be equipped with the grid in the box, the grid is including rotating the grid and removing the grid, rotates the grid and connects on removing the grid, and the measured object is arranged in and is rotated on the grid, and constant temperature and humidity test box still includes first drive arrangement and second drive arrangement, and first drive arrangement is used for the drive to remove the grid and reciprocates in the box, and the second drive arrangement is used for the drive to rotate the grid and is rotatory around fixed axis. This application has solved the measured object inhomogeneous problem of being heated.

Description

Constant temperature and humidity test box

Technical Field

The application relates to the field of test boxes, in particular to a constant temperature and humidity test box.

Background

The constant temperature and humidity test box is necessary test equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, and is used for testing and determining parameters and performances of products and materials such as electricians, electronics and the like after the temperature environment of the products and the materials is changed by high temperature, low temperature, alternating humidity and heat or constant test.

The heater of current constant temperature and humidity proof box generally sets up in inside certain one side of proof box, and when experimental, because the influence of heater position, it is inhomogeneous often to make the measured object be heated, leads to the measured object to be close to the partial temperature of heater higher and keep away from the partial temperature of heater lower to make the test result of measured object have great error.

SUMMERY OF THE UTILITY MODEL

In order to solve the inhomogeneous problem of testee heating, this application provides a constant temperature and humidity test box.

The application provides a constant temperature and humidity test box adopts following technical scheme:

the utility model provides a constant temperature and humidity test box, includes the box, is equipped with the grid in the box, and the grid is including rotating the grid and removing the grid, rotates the grid and connects on removing the grid, and the measured object is arranged in and is rotated on the grid, and constant temperature and humidity test box still includes first drive arrangement and second drive arrangement, and first drive arrangement is used for the drive to remove the grid and reciprocates in the box, and the second drive arrangement is used for the drive to rotate the grid and is rotatory around fixed axis.

Through adopting above-mentioned technical scheme, first drive arrangement can drive and remove the grid and reciprocate in the box to the drive rotates the grid and reciprocates, and second drive arrangement can drive and rotate the grid and around fixed axis is rotatory, thereby it is rotatory to drive the measured object that rotates on the grid, thereby makes the measured object can the thermally equivalent, has solved the inhomogeneous problem of measured object being heated.

Preferably, the first driving device comprises a first motor, the first motor is connected with a lead screw in a driving mode, a lead screw nut is arranged on the lead screw in a matching mode, a sliding block is fixed on the lead screw nut and is attached to the inner wall of the box body in a sliding mode, and the sliding block is connected with the movable grating.

Through adopting above-mentioned technical scheme, motor drive lead screw is positive and negative rotatory, and the slider reciprocates on the lead screw to drive and move the grid and reciprocate.

Preferably, box inner wall both sides all are equipped with the lead screw, all connect the slider on two lead screws, and the removal grid is connected between two sliders, and two lead screws pass through driving pulley and connect.

Through adopting above-mentioned technical scheme, the driving pulley comprises drive belt and two drive wheels, and first motor makes two lead screws can rotate in step through drive belt and drive wheel.

Preferably, all be equipped with logical groove on the relative both sides face of two sliders, lead to the groove along perpendicular to lead screw axis direction, be on a parallel with the box inner wall direction that the slider pasted, the both sides of moving the grid slide with two logical grooves respectively and peg graft.

Through adopting above-mentioned technical scheme, convenient to detach and installation remove the grid.

Preferably, T-shaped blocks are arranged on two sides of the movable grating, the through groove is a T-shaped groove, and the T-shaped blocks are in sliding insertion connection with the through groove.

Through adopting above-mentioned technical scheme, when removing the grid and reciprocating, T type piece and the cooperation of T type groove can make and remove the grid more stable when reciprocating.

Preferably, the second driving device comprises a second motor, the second motor is arranged on the movable grating, and a rotating shaft of the second motor is connected with the rotary grating.

Through adopting above-mentioned technical scheme, the second motor can drive and rotate the grid rotation to the measured object that makes on the rotation grid rotates.

Preferably, an annular groove is formed in one surface, facing the rotating grating, of the moving grating, the annular groove is concentric with a rotating shaft of the rotating grating, and a support member is arranged on one surface, facing the moving grating, of the rotating grating and is slidably inserted into the annular groove.

Through adopting above-mentioned technical scheme, support piece plays the effect of supporting rotation grid.

Preferably, a plurality of rolling beads which are uniformly distributed along the circumferential direction of the annular groove are embedded in the annular groove, and the rolling beads are in rolling contact with the outer wall of the supporting piece.

Through adopting above-mentioned technical scheme, rolling ball and support piece rolling contact make the rotation grid when rotating, have reduced the frictional force between rotation grid and the removal grid.

Drawings

FIG. 1 is a schematic view of the overall structure of a constant temperature and humidity test chamber in the embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of a moving grate and a rotating grate in an embodiment of the present application;

fig. 4 is an enlarged view of a portion B in fig. 3.

Description of reference numerals: 1. a box body; 2. a grid; 3. rotating the grating; 4. moving the grid; 5. a first motor; 6. a lead screw; 7. a lead screw nut; 8. a slider; 9. an annular groove; 10. a second motor; 11. a drive pulley; 12. a support member; 13. a through groove; 14. a T-shaped block; 15. the beads were rolled.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses constant temperature and humidity test box, refer to fig. 1, including box 1, have grid 2 and be located the humidifying mechanism that adjusts the temperature (not marked in the drawing) of box 1 lateral wall in the box. The grating 2 is composed of a rotating grating 3 and a moving grating 4 which are both horizontal, and the rotating grating 3 is positioned right above the moving grating 4 and is used for placing a measured object.

Referring to fig. 1, the constant temperature and humidity test chamber further includes a first driving device for driving the movable grill 4 to move up and down. The first driving device comprises a first motor 5, the first motor 5 is in driving connection with a lead screw 6, the lead screws 6 are arranged on two sides of the inner wall of the box body 1, and the two lead screws 6 are in driving connection through a driving belt wheel 11. All be equipped with the screw nut 7 (see fig. 2) of cooperation lead screw 6 on two lead screws 6, all fix the slider 8 on two screw nut 7, two sliders 8 all slide with the inner wall of box 1 mutually, remove grid 4 and connect between two sliders 8.

Referring to fig. 2, two opposite side surfaces of the two sliders 8 are respectively provided with a through groove 13, the through grooves 13 are horizontally arranged along a direction parallel to the inner wall of the box body 1 to which the sliders 8 are attached, and the through grooves 13 are T-shaped grooves. The two sides of the movable grille 4 are provided with T-shaped blocks 14, and the T-shaped blocks 14 are inserted into the through grooves 13 in a sliding mode.

Referring to fig. 3, the side of the moving grate 4 facing the rotating grate 3 is provided with an annular groove 9, the circle center of the annular groove 9 is concentric with the rotating shaft of the rotating grate 3, the side of the rotating grate 3 facing the moving grate 4 is provided with a supporting piece 12 extending into the annular groove 9, and the supporting piece 12 is in sliding fit with the annular groove 9.

Referring to fig. 4, in order to reduce the friction between the rotating grid 3 and the moving grid 4 during rotation, a plurality of rolling balls 15 uniformly distributed along the circumferential direction of the annular groove 9 are embedded in the annular groove 9.

Referring to fig. 3, the constant temperature and humidity test chamber further includes a second driving device for driving the rotating grill 3 to rotate along a fixed axis. The second driving device comprises a second motor 10 for driving the rotating grating 3 to rotate, the second motor 10 is fixed on the surface of the moving grating 4 facing the rotating grating 3, and the rotating shaft of the second motor 10 is fixed on the rotating grating 3.

The implementation principle of the constant temperature and humidity test chamber in the embodiment of the application is as follows: the first motor 5 drives the lead screw 6 to rotate in the forward and reverse directions, the sliding block 8 drives the movable grating 4 to move up and down, so that the rotary grating 3 is driven to move up and down, the second motor 10 drives the rotary grating 3 to rotate, so that a measured object on the rotary grating 3 is driven to rotate, and finally the measured object can move up and down and can horizontally rotate, so that the measured object can be uniformly heated, and the problem that the measured object is not uniformly heated is solved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a constant temperature and humidity test box, includes box (1), is equipped with grid (2), its characterized in that in box (1): grid (2) are including rotating grid (3) and removing grid (4), rotate grid (3) and connect on removing grid (4), and the measured object is arranged in and is rotated grid (3), and constant temperature and humidity proof box still includes first drive arrangement and second drive arrangement, and first drive arrangement is used for the drive to remove grid (4) and reciprocates in box (1), and the second drive arrangement is used for the drive to rotate grid (3) and is rotatory around fixed axis.

2. The constant temperature and humidity test chamber according to claim 1, wherein: the first driving device comprises a first motor (5), the first motor (5) is in driving connection with a lead screw (6), a lead screw nut (7) is arranged on the lead screw (6) in a matching mode, a sliding block (8) is fixed on the lead screw nut (7), the sliding block (8) is attached to the inner wall of the box body (1) in a sliding mode, and the sliding block (8) is connected with the movable grating (4).

3. The constant temperature and humidity test chamber according to claim 2, wherein: the lead screws (6) are arranged on two sides of the inner wall of the box body (1), the two lead screws (6) are connected with the sliding blocks (8), the movable grating (4) is connected between the two sliding blocks (8), and the two lead screws (6) are connected through the transmission belt wheel (11).

4. The constant temperature and humidity test chamber according to claim 2, wherein: two opposite side surfaces of the two sliding blocks (8) are respectively provided with a through groove (13), the through grooves (13) are arranged along the direction perpendicular to the central axis of the lead screw (6) and parallel to the direction of the inner wall of the box body (1) to which the sliding blocks (8) are attached, and two sides of the movable grating (4) are respectively inserted into the through grooves (13) in a sliding manner.

5. The constant temperature and humidity test chamber according to claim 4, wherein: t-shaped blocks (14) are arranged on two sides of the movable grating (4), the through groove (13) is a T-shaped groove, and the T-shaped blocks (14) are in sliding insertion connection with the through groove (13).

6. The constant temperature and humidity test chamber according to claim 1, wherein: the second driving device comprises a second motor (10), the second motor (10) is arranged on the movable grating (4), and a rotating shaft of the second motor (10) is connected with the rotary grating (3).

7. The constant temperature and humidity test chamber according to claim 6, wherein: the movable grating (4) is provided with an annular groove (9) towards one surface of the rotary grating (3), the annular groove (9) is concentric with a rotating shaft of the rotary grating (3), a support piece (12) is arranged on one surface of the rotary grating (3) towards the movable grating (4), and the support piece (12) can be slidably inserted into the annular groove (9).

8. The constant temperature and humidity test chamber according to claim 7, wherein: a plurality of rolling beads (15) which are uniformly distributed along the circumferential direction of the annular groove (9) are embedded in the annular groove (9), and the rolling beads (15) are in rolling contact with the outer wall of the supporting piece (12).