Adjusting type locking mechanism of environmental test equipment

By designing an anti-reverse locking mechanism, using a combination of springs and limit blocks, along with a ratchet and threaded rod structure, the problem of loosening and failure of locking mechanisms in environmental testing equipment due to vibration and impact is solved, thus extending the service life of the equipment.

CN223724380UActive Publication Date: 2025-12-26SUZHOU FUSIGANG IND TESTING INSTR CO LTD
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Patent Information

Application Number
CN202520037443.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-26
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

In existing environmental testing equipment, the locking mechanism of threaded connections is prone to loosening under vibration and impact, leading to failure or premature fatigue damage.

Method used

It adopts an anti-reverse locking method, which uses a combination of spring and limit block design to prevent the locking mechanism from reversing under vibration and impact, and uses a combination of ratchet and threaded rod to achieve fixation.

Benefits of technology

It effectively prevents the locking mechanism from loosening under vibration and impact, extends its service life, and avoids the failure problems of traditional threaded connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of environmental test equipment, in particular to an adjustable locking mechanism of environmental test equipment, which comprises a test box, a spring and a locking component. A box door is arranged on one side of the test box, a fixing block is arranged on one side of the box door, a connecting block is arranged on one side of the test box, a locking assembly is arranged on one side of the box door, a spring is arranged on the inner side of the fixing block, a limiting block is arranged on one side of the spring, a first rotating shaft is arranged on the inner side of the limiting block, and a threaded ejector rod is arranged on the inner side of the fixing block. A groove is formed in the position, corresponding to the limiting block, of the fixing block, the limiting block is movably connected into the groove of the fixing block, and a groove is formed in the position, corresponding to the first rotating shaft, of the fixing block. According to the device, through an anti-reversion mode, after the device is locked, the device is fixed and prevented from reversion, and therefore the problems that locking is conducted in a most threaded connection mode, threaded connection is vibrated and impacted in the working state of the device, and connection looseness or failure or premature fatigue damage can be possibly caused are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to environmental test equipment technical field especially relates to environmental test equipment adjusting type locking mechanism. BACKGROUND

[0002] Environmental test equipment is a kind of equipment for simulating various environmental conditions, mainly used for testing the performance of product or material, these equipment can simulate natural climate environment, such as high and low temperature, humidity, salt fog, ultraviolet light etc., to evaluate the performance of product under different environments.

[0003] The existing environmental test equipment adjusting type locking mechanism, most of the locking is carried out in the way of threaded connection, threaded connection is vibrated and impacted under the working state of device, can cause loose connection, failure or premature fatigue failure.

[0004] Therefore, for the environmental test equipment adjusting type locking mechanism, most of the locking is carried out in the way of threaded connection, threaded connection is vibrated and impacted under the working state of device, can cause loose connection, failure or premature fatigue failure, environmental test equipment adjusting type locking mechanism can be designed, by the way of anti-reverse, after locking device, it is fixed and blocked to prevent reverse, to solve the problem that most of the locking is carried out in the way of threaded connection, threaded connection is vibrated and impacted under the working state of device, can cause loose connection, failure or premature fatigue failure. SUMMARY

[0005] In view of the deficiencies of prior art, the utility model aims at providing environmental test equipment adjusting type locking mechanism, which aims at solving the technical problems that most of the locking is carried out in the way of threaded connection, threaded connection is vibrated and impacted under the working state of device, can cause loose connection, failure or premature fatigue failure under prior art.

[0006] The technical scheme of the utility model is: environmental test equipment adjusting type locking mechanism, including test box, spring and locking assembly, test box one side is provided with door, door one side is provided with fixed block, test box one side is provided with connecting block, door one side is provided with locking assembly, fixed block inboard is provided with spring, spring one side is provided with limit block, limit block inboard is provided with first rotary shaft, fixed block inboard is provided with threaded top rod.

[0007] As preferred, the corresponding position of fixed block and limit block is provided with groove, and the limit block is movably connected in the inside of the groove of fixed block.

[0008] As preferred, the corresponding position of fixed block and first rotary shaft is provided with groove, and the first rotary shaft is rotatably connected in the inside of the groove of fixed block.

[0009] As preferred, the locking assembly comprises a second rotating shaft, the inside of the connecting block is provided with the second rotating shaft, the outside of the second rotating shaft is provided with a threaded rod, the outside of the threaded rod is threadedly connected with a threaded sleeve, one side of the threaded sleeve is provided with a knob, and the outside of the threaded sleeve is provided with a ratchet wheel.

[0010] As preferred, the connecting block is provided with a groove at the corresponding position of the threaded rod, and the threaded rod is rotatably connected in the groove of the connecting block.

[0011] As preferred, the connecting block is provided with a groove at the corresponding position of the threaded rod, and the threaded rod is rotatably connected in the groove of the connecting block.

[0012] As preferred, the connecting block is provided with a groove at the corresponding position of the threaded rod, and the threaded rod is rotatably connected in the groove of the connecting block.

[0013] The beneficial effects of the utility model are as follows:

[0014] Compared with the traditional environmental test equipment adjusting type locking mechanism, most of which adopt the locking mode of threaded connection, the threaded connection is subjected to vibration and impact in the working state of the device, which may cause loose connection, failure or premature fatigue failure, the device solves the problem of loose connection, failure or premature fatigue failure of the threaded connection in the working state of the device by the anti-reverse mode after locking the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The three-dimensional structure schematic diagram of the environmental test equipment adjusting type locking mechanism of the utility model is shown;

[0016] Figure 2 The partial structure schematic diagram of the environmental test equipment adjusting type locking mechanism of the utility model is shown;

[0017] Figure 3 The anti-reverse assembly cross-section structure schematic diagram of the environmental test equipment adjusting type locking mechanism of the utility model is shown;

[0018] Figure 4 The locking assembly cross-section structure schematic diagram of the environmental test equipment adjusting type locking mechanism of the utility model is shown.

[0019] The reference signs are explained as follows: 1, test box; 2, box door; 3, fixed block; 4, connecting block; 501, spring; 502, limiting block; 503, first rotating shaft; 504, threaded top rod; 601, second rotating shaft; 602, threaded rod; 603, threaded sleeve; 604, knob; 605, ratchet wheel. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and embodiments below.

[0021] Please refer to Figure 1 - Figure 4 The utility model provides a kind of embodiment: environmental test equipment adjustable locking mechanism, including test box 1, spring 501 and locking assembly;Test box 1 side is provided with door 2, door 2 side is provided with fixed block 3, test box 1 side is provided with connecting block 4, door 2 side is provided with locking assembly, the inboard of fixed block 3 is provided with spring 501, the side of spring 501 is provided with limit block 502, the inboard of limit block 502 is provided with first rotary shaft 503, the inboard of fixed block 3 is provided with threaded ejector pin 504, the corresponding position of fixed block 3 and limit block 502 is provided with groove, limit block 502 is movably connected in the inside of fixed block 3 groove, the corresponding position of fixed block 3 and limit block 502 is provided with groove, so that limit block 502 plays a limiting effect when moving in the inside of groove, the corresponding position of fixed block 3 and first rotary shaft 503 is provided with groove, first rotary shaft 503 is rotatably connected in the inside of fixed block 3 groove, the corresponding position of fixed block 3 and first rotary shaft 503 is provided with groove, so that first rotary shaft 503 plays a limiting effect when rotating in the inside of groove, by rotating threaded ejector pin 504, make threaded ejector pin 504 separate from limit block 502, spring 501 drives limit block 502 to move, so that limit block 502 limits ratchet wheel 605, so that locking assembly cannot rotate counterclockwise.

[0022] Please refer to Figure 4 In the embodiment, locking assembly includes second rotary shaft 601, the inboard of connecting block 4 is provided with second rotary shaft 601, the outside of second rotary shaft 601 is provided with threaded rod 602, threaded rod 602 is provided with threaded sleeve 603 outside screw thread, the side of threaded sleeve 603 is provided with knob 604, the outside of threaded sleeve 603 is provided with ratchet wheel 605, the corresponding position of connecting block 4 and threaded rod 602 is provided with groove, threaded rod 602 is rotatably connected in the inside of connecting block 4 groove, the corresponding position of connecting block 4 and threaded rod 602 is provided with groove, so that threaded rod 602 plays a limiting effect when rotating in the inside of groove, the corresponding position of fixed block 3 and threaded rod 602 is provided with groove, threaded rod 602 is movably connected in the inside of fixed block 3 groove, the corresponding position of fixed block 3 and threaded rod 602 is provided with groove, so that threaded rod 602 plays a limiting effect when moving in the inside of groove, the corresponding position of fixed block 3 and ratchet wheel 605 is provided with groove, ratchet wheel 605 is movably connected in the inside of fixed block 3 groove, the corresponding position of fixed block 3 and ratchet wheel 605 is provided with groove, so that ratchet wheel 605 plays a limiting effect when moving in the inside of groove.

[0023] When working, the box door 2 is attached to the test box 1 by rotating the box door 2, then the threaded rod 602 is pulled to make the threaded rod 602 slide into the groove on one side of the fixed block 3, then the knob 604 is rotated to drive the threaded sleeve 603 to rotate, the threaded sleeve 603 drives the ratchet wheel 605 to rotate, the ratchet wheel 605 is rotated into the groove on the fixed block 3, the ratchet wheel 605 is pressed in the fixed block 3, the threaded top rod 504 is rotated to make the threaded top rod 504 disengage from the limiting block 502, the spring 501 drives the limiting block 502 to move, the limiting block 502 limits the ratchet wheel 605, and the ratchet wheel 605 cannot rotate counterclockwise.

[0024] Through the above steps, the threaded top rod 504 is rotated to make the threaded top rod 504 disengage from the limiting block 502, the spring 501 drives the limiting block 502 to move, the limiting block 502 limits the ratchet wheel 605, and the locking assembly cannot rotate counterclockwise.

[0025] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An environmental test chamber (1) having an adjustable locking mechanism, characterised in that: It also includes spring (501) and locking assembly; test box (1) one side is provided with box door (2), one side of box door (2) is provided with fixed block (3), one side of test box (1) is provided with connecting block (4), one side of box door (2) is provided with locking assembly, the inner side of fixed block (3) is provided with spring (501), one side of spring (501) is provided with limiting block (502), the inner side of limiting block (502) is provided with first rotating shaft (503), the inner side of fixed block (3) is provided with threaded top rod (504).

2. The environmental test chamber adjustable locking mechanism of claim 1, wherein: The corresponding position of fixed block (3) and limiting block (502) is provided with a groove, and the limiting block (502) is movably connected in the groove of fixed block (3).

3. The environmental test chamber adjustable locking mechanism of claim 1, wherein: The corresponding position of fixed block (3) and first rotating shaft (503) is provided with a groove, and the first rotating shaft (503) is rotatably connected in the groove of fixed block (3).

4. The environmental test chamber adjustable locking mechanism of claim 1, wherein: The locking assembly comprises a second rotating shaft (601), a second rotating shaft (601) is arranged in the inner side of connecting block (4), a threaded rod (602) is arranged on the outer side of second rotating shaft (601), a threaded sleeve (603) is threadedly connected to the outer side of threaded rod (602), a knob (604) is arranged on one side of threaded sleeve (603), and a ratchet wheel (605) is arranged on the outer side of threaded sleeve (603).

5. The environmental test chamber adjustable locking mechanism of claim 4, wherein: The corresponding position of connecting block (4) and threaded rod (602) is provided with a groove, and the threaded rod (602) is rotatably connected in the groove of connecting block (4).

6. The environmental test chamber adjustable locking mechanism of claim 4, wherein: The corresponding position of fixed block (3) and threaded rod (602) is provided with a groove, and the threaded rod (602) is movably connected in the groove of fixed block (3).

7. The environmental test chamber adjustable locking mechanism of claim 4, wherein: The corresponding position of fixed block (3) and ratchet wheel (605) is provided with a groove, and the ratchet wheel (605) is movably connected in the groove of fixed block (3).