Hinge type pneumatic supporting frame for storage box
By introducing a sliding mounting buckle and locking pin design into the hinged pneumatic support frame of the storage box, the problem of installation hole position error is solved, and the accuracy and stability of installation are achieved.
Patent Information
- Application Number
- CN202520380321.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The mounting hole positions of the existing storage box hinged pneumatic support frame have errors, which affects normal installation.
A sliding mounting buckle is installed inside the pneumatic support frame, and the buckle is connected to the threaded rod through the adjusting sleeve. Combined with the design of the locking pin and spring, the mounting buckle can be precisely adjusted and fixed, eliminating installation errors.
By adjusting the fit between the sleeve and the threaded rod and the locking action of the locking pin, installation hole position errors are eliminated, ensuring the accuracy and stability of installation.
Smart Images

Figure CN223891530U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pneumatic support frames, specifically a storage box hinge-type pneumatic support frame. Background Technology
[0002] A hinged pneumatic support frame for storage boxes is a device used to support the lid of a storage box, achieving automatic opening and closing of the lid through pneumatic principles. This support frame typically consists of two hinged support arms and a pneumatic cylinder. The pneumatic cylinder controls the extension and retraction of the support arms through air pressure, thereby achieving the opening and closing of the lid.
[0003] Hinged pneumatic support frames for storage boxes are widely used in various storage boxes, luggage compartments, car trunks, and other equipment, improving ease of use and safety. With the pneumatic support frame, users no longer need to manually support the lid; a simple push or pull is all it takes for the lid to open and close automatically, greatly enhancing user convenience.
[0004] Existing pneumatic support frames typically have mounting holes on their main body, but these holes can have installation errors, affecting normal installation. Therefore, improvements are needed. Utility Model Content
[0005] The purpose of this utility model is to provide a hinged pneumatic support frame for storage boxes, which solves the problem that the installation hole positions of existing pneumatic support frames may have installation errors, affecting normal installation.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a storage box hinged pneumatic support frame, including a bracket, a support arm hinged to the top of the bracket, a hydraulic rod hinged together between the end of the support arm and the bracket, a mounting buckle slidably connected to the inner side of the bracket, a fixing plate fixedly connected to the inner side of the bracket and above the mounting buckle, an adjusting sleeve rotatably connected inside the fixing plate and passing through the fixing plate, an adjusting rod fixedly connected to the top of the mounting buckle, and the adjusting rod passing through the adjusting sleeve and being threadedly connected to the adjusting sleeve.
[0007] Preferably, two limiting rings are fixedly connected to the outer side of the adjusting sleeve, and both limiting rings are in contact with the fixing plate. The limiting rings provide a limiting effect on the axial direction of the adjusting sleeve.
[0008] Preferably, a locking disc is fixedly connected to the upper outer part of the adjusting sleeve, and a locking sleeve is fixedly connected to the upper end of the fixing plate. A locking pin is slidably connected inside the locking sleeve, and the locking pin is inserted into the locking disc. A spring is provided inside the locking sleeve, and a lever is fixedly connected to the pin body of the locking pin. The lever passes through the locking sleeve and is slidably connected to the locking sleeve. The locking pin is inserted into the locking disc from the bottom, which can lock the adjusting sleeve, thereby preventing loosening between the adjusting sleeve and the adjusting rod.
[0009] Preferably, the bottom of the lock disc has multiple slots arranged in a circular array, and the end of the locking pin is located within one of the slots. The multiple slots facilitate the insertion of the locking pin into the rotated lock disc.
[0010] Preferably, one end of the first spring is fixedly connected to the locking pin, and the other end of the first spring is fixedly connected to the inner surface of the lock sleeve. By providing the first spring, the elastic force can be applied within the locking pin.
[0011] Preferably, a sliding pin is slidably connected inside the lock sleeve, a connecting rod is fixedly connected to the sliding pin, and a limiting sleeve is fixedly connected to the end of the connecting rod. The limiting sleeve is slidably sleeved on the outside of the lever, and a second spring is provided inside the lock sleeve. The limiting sleeve provides a limiting and locking function for the lever and the locking pin.
[0012] Preferably, one end of the second spring is fixedly connected to the sliding pin, and the other end of the second spring is fixedly connected to the inner surface of the lock sleeve. By using the second spring, the reaction force can be returned to the sliding pin.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model provides a sliding mounting buckle on the inner side of the pneumatic support frame, and a fixing plate on the inner side of the frame. The fixing plate contains a rotatable adjusting sleeve, which is threadedly connected to the threaded rod on the mounting buckle. Thus, by simply rotating the adjusting sleeve, the threaded rod can slide a certain displacement within the frame through its threaded engagement with the adjusting sleeve, thereby eliminating overall installation errors.
[0015] 2. This utility model sets a locking disc on the adjusting sleeve and a locking sleeve on the fixing plate. The locking sleeve is equipped with a locking pin that is extended and retracted by a spring. The locking pin will be inserted into the locking disc from the bottom under the action of the spring. This can lock and fix the locking disc and the adjusting sleeve, thereby preventing the adjusting sleeve and the adjusting rod from loosening, and further ensuring the stability of the adjustment after the buckle is installed. Attached Figure Description
[0016] Figure 1 This is a three-dimensional view of the overall structure of this utility model;
[0017] Figure 2 For the present utility model Figure 1 A schematic diagram of a partial structure;
[0018] Figure 3 For the present utility model Figure 1 A front sectional view of the bracket;
[0019] Figure 4 For the present utility model Figure 3 Enlarged view of the structure of part A.
[0020] In the diagram: 1. Bracket; 2. Support arm; 3. Hydraulic rod; 4. Mounting buckle; 5. Fixing plate; 6. Adjusting rod; 7. Adjusting sleeve; 8. Limiting ring; 9. Locking disc; 10. Locking sleeve; 11. Locking pin; 12. Spring 1; 13. Lever; 14. Sliding pin; 15. Connecting rod; 16. Limiting sleeve; 17. Spring 2. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-3 A hinged pneumatic support frame for a storage box includes a bracket 1. A support arm 2 is hinged to the top of the bracket 1. A hydraulic rod 3 is hinged to the end of the support arm 2 and the bracket 1. A mounting buckle 4 is slidably connected to the inner side of the bracket 1. A fixing plate 5 is fixedly connected to the inner side of the bracket 1 and above the mounting buckle 4. An adjusting sleeve 7 is rotatably connected inside the fixing plate 5 and passes through the fixing plate 5. An adjusting rod 6 is fixedly connected to the top of the mounting buckle 4, passing through the adjusting sleeve 7 and threadedly connected to it. Two limiting rings 8 are fixedly connected to the outer side of the adjusting sleeve 7, and both limiting rings 8 contact the fixing plate 5. The limiting rings 8 limit the axial movement of the adjusting sleeve 7.
[0023] Please see Figure 3-4 A locking disc 9 is fixedly connected to the upper outer side of the adjusting sleeve 7, and a locking sleeve 10 is fixedly connected to the upper end of the fixing plate 5. A locking pin 11 is slidably connected inside the locking sleeve 10, and the locking pin 11 is inserted into the locking disc 9. The bottom of the locking disc 9 has multiple slots arranged in a circular array, and the end of the locking pin 11 is located in the slot. The multiple slots facilitate the insertion of the locking pin 11 into the rotated locking disc 9. A spring 12 is installed inside the locking sleeve 10. One end of the spring 12 is fixedly connected to the locking pin 11, and the other end is fixedly connected to the inner surface of the locking sleeve 10. The spring 12 can exert a spring force on the locking pin 11. A lever 13 is fixedly connected to the pin of the locking pin 11, and the lever 13 passes through the locking sleeve 10 and is slidably connected to the locking sleeve 10. The locking pin 11 is inserted into the locking disc 9 from the bottom, which can lock the adjusting sleeve 7, thereby preventing the adjusting sleeve 7 from loosening with the adjusting rod 6.
[0024] Please see Figure 4 The locking sleeve 10 has a sliding pin 14 internally connected to it. A connecting rod 15 is fixedly connected to the sliding pin 14, and a limiting sleeve 16 is fixedly connected to the end of the connecting rod 15. The limiting sleeve 16 is slidably sleeved on the outside of the lever 13. A second spring 17 is provided inside the locking sleeve 10. The limiting sleeve 16 provides a limiting and locking function for the lever 13 and the locking pin 11. One end of the second spring 17 is fixedly connected to the sliding pin 14, and the other end of the second spring 17 is fixedly connected to the inner surface of the locking sleeve 10. The second spring 17 can return the reaction force to the sliding pin 14.
[0025] The specific implementation process of this utility model is as follows: In use, firstly, the limiting sleeve 16 is removed from the lever 13, and then the locking pin 11 is pulled by the lever 13, so that the locking pin 11 slides in the locking sleeve 10 and disengages from the locking disc 9, thereby releasing the restriction on the adjusting sleeve 7. Then, the adjusting sleeve 7 is rotated. The adjusting sleeve 7, through the threaded engagement with the adjusting rod 6, can adjust the up and down position of the mounting buckle 4 at the bottom of the adjusting rod 6, thus eliminating the overall mounting hole position error.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A hinged pneumatic support frame for a storage box, comprising a support frame (1), characterized in that: The top of the bracket (1) is hinged with a support arm (2), and the end of the support arm (2) is hinged with the bracket (1) together with a hydraulic rod (3). The inner side of the bracket (1) is slidably connected with a mounting buckle (4). The inner side of the bracket (1) and above the mounting buckle (4) is fixedly connected with a fixing piece (5). The inside of the fixing piece (5) is rotatably connected with an adjusting sleeve (7), and the adjusting sleeve (7) passes through the fixing piece (5). The top of the mounting buckle (4) is fixedly connected with an adjusting rod (6), and the adjusting rod (6) passes through the adjusting sleeve (7) and is threadedly connected to the adjusting sleeve (7).
2. The storage box hinged pneumatic support frame according to claim 1, characterized in that: The outer side of the adjusting sleeve (7) is fixedly connected to two limiting rings (8), and both limiting rings (8) are in contact with the fixing piece (5).
3. The storage box hinged pneumatic support frame according to claim 1, characterized in that: A locking disc (9) is fixedly connected to the upper outer side of the adjusting sleeve (7), and a locking sleeve (10) is fixedly connected to the upper end of the fixing plate (5). A locking pin (11) is slidably connected inside the locking sleeve (10). The locking pin (11) is inserted into the locking disc (9). A spring (12) is provided inside the locking sleeve (10). A lever (13) is fixedly connected to the pin body of the locking pin (11). The lever (13) passes through the locking sleeve (10) and is slidably connected to the locking sleeve (10).
4. A storage box hinged pneumatic support frame according to claim 3, characterized in that: The bottom of the lock disc (9) has multiple slots arranged in a ring array, and the end of the locking pin (11) is located in the slot.
5. A storage box hinged pneumatic support frame according to claim 3, characterized in that: One end of the spring (12) is fixedly connected to the locking pin (11), and the other end of the spring (12) is fixedly connected to the inner surface of the lock sleeve (10).
6. A storage box hinged pneumatic support frame according to claim 3, characterized in that: The lock sleeve (10) is slidably connected to a sliding pin (14), and a connecting rod (15) is fixedly connected to the sliding pin (14). A limiting sleeve (16) is fixedly connected to the end of the connecting rod (15). The limiting sleeve (16) is slidably sleeved on the outside of the lever (13). A second spring (17) is provided inside the lock sleeve (10).
7. A storage box hinged pneumatic support frame according to claim 6, characterized in that: One end of the second spring (17) is fixedly connected to the sliding pin (14), and the other end of the second spring (17) is fixedly connected to the inner surface of the lock sleeve (10).