Deflection-preventing fast-assembling plate and deflection-preventing fast-assembling assembly
By employing a dual locking mechanism of anti-deflection set screws and connecting screws, combined with anti-slip pads and metal washers, the problem of easy loosening of the quick-release plate is solved, achieving efficient anti-loosening and safe connection, thus improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN KUPAS TECHNOLOGY CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-05-12
AI Technical Summary
Existing quick-release plates rely on a single screw for fixation, which makes them prone to loosening and lacks sufficient anti-deflection capability, affecting user experience and equipment safety.
It adopts a dual locking mechanism of anti-deflection set screw and connecting screw, combined with anti-slip pads and metal pads to enhance friction. Through the cooperation of the locking part of the quick-release seat and the anti-deflection groove, multiple locking and anti-rotation are achieved.
It effectively suppresses the tendency of photographic equipment to loosen, improves anti-loosening performance, avoids the risk of equipment falling, is easy to operate, prevents screws from loosening, and improves the safety and convenience of use.
Smart Images

Figure CN224229633U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photographic equipment technology, and in particular to an anti-deflection quick-release plate and an anti-deflection quick-release assembly. Background Technology
[0002] Quick-release plates are a new type of clamping structure for cameras, tripods, and gimbals. Currently, the market typically uses a single screw to connect photographic equipment to quick-release plates or other photographic accessories. When the quick-release plate rotates in the same direction as the fixing screw, the screw is forcibly loosened, causing it to sag. While the quick-release plate is fixed to the photographic equipment, operation inevitably results in reverse rotation, further loosening the screw. This requires constant tightening; otherwise, a loose screw poses a risk of damaging the equipment, negatively impacting the user experience. Utility Model Content
[0003] To address the problems of easy loosening and insufficient anti-deflection capability caused by existing quick-release plates relying solely on a single screw for fixation, this utility model provides an anti-deflection quick-release plate and an anti-deflection quick-release assembly. By adding an anti-deflection set screw structure to the anti-deflection quick-release plate, the locking effect between the quick-release plate and the photographic equipment is enhanced, preventing connection failure caused by equipment rotation or external force.
[0004] To achieve the above objectives, this utility model employs the following technical solution:
[0005] A deflection prevention quick-release plate, comprising:
[0006] The quick-release plate body has a first end face and a second end face that are opposite to each other. The quick-release plate body is provided with a movable groove and a threaded groove that penetrate the first end face and the second end face.
[0007] A connecting screw is movably disposed in the movable groove, with its threaded end protruding from the first end face, for connecting the equipment;
[0008] The anti-deflection set screw has a thread inside the threaded groove, and its top protrudes from the first end face to tighten the equipment.
[0009] An anti-slip pad and a metal pad are sequentially provided between the connecting screw and the quick-release plate body; or / and an anti-slip plate is provided on the first end face of the quick-release plate body.
[0010] The quick-release plate body has multiple threaded grooves, and correspondingly, the number of anti-deflection set screws is the same as the number of threaded grooves.
[0011] Guide platforms are provided on all four edges of the second end face of the quick-release plate body, and at least one of the guide platforms has a guide surface and a locking groove on its inner side.
[0012] At least one of the guide platforms is provided with an anti-deflection groove.
[0013] The four edges of the quick-release plate body are of the same length, and each of the four guide platforms on the quick-release plate body is provided with a guide surface, a locking groove, and an anti-deflection groove.
[0014] The inner wall of the movable groove is provided with an internal thread that engages with the threaded end of the connecting screw.
[0015] The internal thread is located at one end of the movable groove.
[0016] The anti-deflection quick-release assembly includes the aforementioned anti-deflection quick-release plate and quick-release base. The quick-release base includes a quick-release base body, which has a third end face that contacts the anti-deflection quick-release plate. A receiving cavity is provided within the quick-release base body, and the receiving cavity contains:
[0017] A locking member engages with a locking groove on the quick-release plate body. The locking member is movably disposed within the quick-release base body, and the end of the locking member protrudes from the third end face. Specifically, the locking member can move along a first direction, which is perpendicular to the direction in which the anti-deflection quick-release plate is inserted into the quick-release base.
[0018] The connector is connected to the locking component;
[0019] A driving component, at least partially exposed outside the quick-release body, is connected to the connecting component to drive the connecting component and the locking component to move;
[0020] A reset elastic element is disposed between the connector and / or the drive element and the quick-release base body, so that the locking element engages with the locking groove on the quick-release plate body.
[0021] The quick-release base body is provided with an anti-deflection protrusion in its accommodating cavity. The anti-deflection protrusion is movably connected to the connector. The end of the anti-deflection protrusion protrudes from the third end face of the quick-release base body and cooperates with the anti-deflection groove on the quick-release plate body. Under the action of the reset elastic member, the anti-deflection protrusion is inserted into the anti-deflection groove on the quick-release plate body.
[0022] Compared with the prior art, the advantages of this utility model are as follows:
[0023] 1. This utility model utilizes a dual locking mechanism of connecting screws and anti-deflection set screws. In addition to the axial locking force of the screws, it increases the radial tightening force of the set screws, thereby increasing the frictional resistance between the quick-release plate body and the photographic equipment. This effectively suppresses the loosening tendency caused by the rotation of the photographic equipment, improves anti-loosening performance, and avoids the risk of equipment falling due to loose screws. Furthermore, this utility model is easy to operate; the anti-deflection set screws can be independently adjusted after the connecting screws are tightened. Users only need to simply tighten them to achieve reinforcement without repeatedly checking the screw tightness.
[0024] 2. In this utility model, an anti-slip pad and a metal pad are sequentially arranged between the connecting screw and the quick-release plate body. The two work together to increase the rotational resistance between the connecting screw and the quick-release plate body through the high coefficient of friction, and provide continuous pre-tightening force through elastic deformation to compensate for the thread gap caused by vibration or temperature changes, suppress the retraction of the connecting screw, and further prevent the connecting screw from loosening.
[0025] 3. The first end face of the quick-release plate body of this utility model is provided with an anti-slip plate to increase the friction between the quick-release plate body and the photographic equipment and prevent loosening; at the same time, it avoids the quick-release plate body from directly contacting the bottom of the photographic equipment, preventing scratches or abrasions to the paint or plating of the photographic equipment and improving the safety of use.
[0026] 4. This utility model achieves the locking and fixing of the anti-deflection quick-release plate and the quick-release base by cooperating with the locking groove on the anti-deflection quick-release plate. Furthermore, the anti-deflection protrusion on the quick-release base and the anti-deflection groove on the anti-deflection quick-release plate cooperate to prevent the rotation of the anti-deflection quick-release plate and avoid loosening problems. Moreover, the setting of the reset elastic element allows the locking element to automatically spring back, ensuring that it remains in a locked state when not in operation. Attached Figure Description
[0027] Appendix Figure 1 This is a structural schematic diagram of the anti-deflection quick-release plate of this utility model.
[0028] Appendix Figure 2 This is an exploded structural diagram of the anti-deflection quick-release plate of this utility model.
[0029] Appendix Figure 3 This is a schematic diagram of the second end face of the anti-deflection quick-release plate of this utility model.
[0030] Appendix Figure 4 This is a structural schematic diagram of the anti-deflection quick-release assembly of this utility model.
[0031] Appendix Figure 5 This is a schematic diagram of the assembly direction of the anti-deflection quick-release plate and quick-release base of this utility model. The arrow in the figure indicates the direction in which the anti-deflection quick-release plate is inserted into the quick-release base.
[0032] Appendix Figure 6This is a structural schematic diagram of the quick-release base of this utility model.
[0033] Appendix Figure 7 This is a cross-sectional structural diagram of the quick-release base of this utility model.
[0034] Appendix Figure 8 This is an exploded structural diagram of the quick-release base of this utility model.
[0035] Appendix Figure 9 This is a schematic diagram of the accommodating cavity of the quick-release base body of this utility model.
[0036] The labels shown in the attached diagram:
[0037] 1. Quick-release plate body; 11. First end face; 111. Recessed groove; 12. Second end face; 13. Movable groove; 131. Internal thread; 14. Threaded groove; 15. Guide platform; 151. Guide surface; 151a. Inclined surface; 152. Locking groove; 153. Anti-deflection groove; 2. Connecting screw; 21. Threaded end; 22. Transition section; 23. End; 3. Anti-deflection set screw; 4. Anti-slip pad; 5. Metal pad; 6. Anti-slip plate; 7. Quick-release base; 71. Quick-release base body; 711. Third end face; 712. Receiving cavity; 713. Housing; 714. Cover; 72. Locking element; 73. Connecting element; 74. Driving element; 75. Reset elastic element; 76. Anti-deflection protrusion. Detailed Implementation
[0038] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0039] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar words used in this utility model specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connection" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," etc., are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0040] like Figure 1-3 As shown, this utility model provides an anti-deflection quick-release plate, including a quick-release plate body 1, a connecting screw 2, and an anti-deflection set screw 3. The quick-release plate body 1 has a first end face 11 and a second end face 12 facing each other. The quick-release plate body 1 is provided with a movable groove 13 and a threaded groove 14 that penetrate the first end face 11 and the second end face 12. The connecting screw 2 is movably disposed in the movable groove 13, and its threaded end 21 protrudes from the first end face 11 for connecting equipment, such as cameras, gimbals, and other photographic equipment. The anti-deflection set screw 3 is threaded in the threaded groove 14, and its top end protrudes from the first end face 11 for tightening the equipment.
[0041] This invention allows the quick-release plate body 1 to be integrated with the photographic equipment by tightening the connecting screw 2 onto the photographic equipment using an auxiliary tool. The quick-release plate can then be easily mounted onto existing quick-release mounts 7 (such as the ACA standard interface) without altering the structure of the photographic equipment or quick-release mount 7. The dual locking mechanism of the connecting screw 2 and the anti-deflection set screw 3 increases the radial tightening force of the set screw in addition to the axial locking force of the screw, increasing the frictional resistance between the quick-release plate body 1 and the photographic equipment. This effectively suppresses the loosening tendency caused by the rotation of the photographic equipment, improves anti-loosening performance, and avoids the risk of equipment falling due to loose screws. Furthermore, this invention is easy to operate; the anti-deflection set screw 3 can be independently adjusted after the connecting screw 2 is tightened. Users only need to simply turn it to achieve reinforcement without repeatedly checking the screw tightness.
[0042] In one embodiment, such as Figure 2As shown, an anti-slip pad 4 and a metal pad 5 are sequentially arranged between the connecting screw 2 and the quick-release plate body 1. The anti-slip pad 4 and the metal pad 5 work together to prevent the connecting screw 2 from loosening during use and connection to the photographic equipment. The anti-slip pad 4 can be made of nylon, rubber, or engineering plastics, providing continuous preload through elastic deformation to compensate for thread clearance caused by vibration or temperature changes and suppress the retraction of the connecting screw 2. The metal pad 5 can be made of stainless steel or a spring washer, providing rigid support, dispersing the axial pressure of the connecting screw 2, and preventing the anti-slip pad 4 from failing due to long-term pressure. The anti-slip pad 4 increases the rotational resistance between the connecting screw 2 and the quick-release plate body 1 through a high coefficient of friction. The metal pad 5 generates a counterforce through elastic deformation or a serrated structure (such as a disc-shaped washer), further preventing the connecting screw 2 from loosening.
[0043] In one embodiment, such as Figure 1 , Figure 2 As shown, an anti-slip plate 6 is provided on the first end face 11 of the quick-release plate body 1. Specifically, a recessed groove 111 is formed on the first end face 11, and the anti-slip plate 6 is adhered or magnetically attached to the recessed groove 111. The anti-slip plate 6 can be made of silicone, rubber, engineering plastics, etc. The anti-slip plate 6 serves two purposes: first, it increases the friction between the quick-release plate body 1 and the photographic equipment, preventing loosening; second, it prevents the quick-release plate body 1 from directly contacting the bottom of the photographic equipment, preventing scratches or abrasions to the paint or plating of the photographic equipment, and improving safety during use.
[0044] In one embodiment, an anti-slip protective sleeve is provided at the end of the anti-deflection set screw 3. The anti-slip protective sleeve can be made of silicone or rubber to prevent scratching or abrading the photographic equipment and to increase the friction between the device and the photographic equipment.
[0045] In one embodiment, the quick-release plate body 1 has multiple threaded grooves 14, and correspondingly, the number of anti-deflection set screws 3 is the same as the number of threaded grooves 14. For example, as shown... Figure 1 , Figure 2 As shown, there are two threaded grooves 14 and anti-deflection set screws 3 arranged opposite each other, located on both sides of the movable groove 13. The arrangement of multiple anti-deflection set screws 3 can further improve the anti-deflection performance.
[0046] In one embodiment, such as Figure 3 As shown, guide platforms 15 are provided around the perimeter of the second end face 12 of the quick-release plate body 1, and at least one guide platform 15 is provided with a guide surface 151 and a locking groove 152 on its inner side.
[0047] In this embodiment, the guide surface 151 and the locking groove 152 can be used in conjunction with the locking member 72 that is movably provided on the existing quick-release base 7. The guide surface 151 includes an inclined surface 151a, so that when the quick-release plate body 1 is inserted into the quick-release base 7, the locking member 72 will move under the action of the guide surface 151 and then be locked into the locking groove 152 to achieve locking and positioning of the quick-release plate and the quick-release base 7.
[0048] In one embodiment, such as Figures 1-3 As shown, at least one of the guide platforms 15 is provided with an anti-deflection groove 153, which cooperates with the anti-deflection protrusion 76 that is movably provided on the quick-release base 7.
[0049] In one embodiment, such as Figure 3 As shown, the four edges of the quick-release plate body 1 have the same length, and the four guide platforms 15 on the quick-release plate body 1 are all provided with guide surfaces 151, locking grooves 152, and anti-deflection grooves 153.
[0050] In one embodiment, the inner wall of the movable groove 13 is provided with an internal thread 131 that engages with the threaded end 21 of the connecting screw 2.
[0051] In one embodiment, the internal thread 131 is located at one end of the movable groove 13.
[0052] In one embodiment, the connecting screw 2 further includes a transition section 22 connected to the threaded end 21 and an end head 23 connected to the transition section 22. The transition section 22 can move within the movable groove 13, and the outer diameter of the threaded end 21 is greater than the width of the movable groove 13.
[0053] like Figures 4-8 As shown, this utility model also provides an anti-deflection quick-release assembly, including the aforementioned anti-deflection quick-release plate and quick-release base 7. The quick-release base 7 includes a quick-release base body 71, and the quick-release base body 71 has a third end face 711 that contacts the anti-deflection quick-release plate. A receiving cavity 712 is provided inside the quick-release base body 71. Specifically, the quick-release base body 71 includes a shell 713 and a cover 714 detachably connected to the shell 713. A receiving cavity 712 is formed between the shell 713 and the cover 714. A locking member 72, a connecting member 73, a driving member 74, and a reset elastic member 75 are provided inside the receiving cavity 712.
[0054] The locking member 72 cooperates with the locking groove 152 on the quick-release plate body 1. The locking member 72 is movably disposed in the quick-release base body 71, and the end of the locking member 72 protrudes from the third end face 711. Specifically, the locking member 72 can move along a first direction, which is perpendicular to the direction in which the anti-deflection quick-release plate is inserted into the quick-release base 7.
[0055] The connector 73 is connected to the locking member 72;
[0056] The driving member 74 is at least partially exposed outside the quick-release base body 71. The driving member 74 is connected to the connecting member 73 to drive the connecting member 73 and the locking member 72 to move.
[0057] The reset elastic element 75 is disposed between the connector 73 and / or the drive element 74 and the quick-release base body 71, so that the locking element 72 engages with the locking groove 152 on the quick-release plate body 1.
[0058] In one embodiment, an anti-deflection protrusion 76 is further provided in the accommodating cavity 712 of the quick-release base body 71. The anti-deflection protrusion 76 is movably connected to the connector 73. A flange can be provided on the connector 73, and a groove adapted to the flange can be provided on the anti-deflection protrusion 76. The flange can move in the groove along the moving direction of the drive member 74 to achieve a movable connection between the anti-deflection protrusion 76 and the connector 73. The end of the anti-deflection protrusion 76 protrudes from the third end face 711 of the quick-release base body 71 and cooperates with the anti-deflection groove 153 on the quick-release plate body 1. Under the action of the reset elastic member 75, the anti-deflection protrusion 76 is engaged in the anti-deflection groove 153 on the quick-release plate body 1.
[0059] The anti-deflection quick-release assembly of this utility model achieves locking and fixing of the anti-deflection quick-release plate and the quick-release base 7 through the cooperation of the locking member 72 on the quick-release base 7 and the locking groove 152 on the anti-deflection quick-release plate. Furthermore, the anti-deflection protrusion 76 on the quick-release base 7 and the anti-deflection groove 153 on the anti-deflection quick-release plate prevent the rotation of the anti-deflection quick-release plate and avoid loosening problems. Moreover, the setting of the reset elastic member 75 allows the locking member 72 to automatically spring back, ensuring that it remains in a locked state when not in operation.
[0060] Those skilled in the art should understand that the specific embodiments described above are merely examples and not limitations. Various modifications, combinations, partial combinations, and substitutions can be made to the embodiments of this utility model according to design requirements and other factors, as long as they are within the scope of the appended claims or their equivalents, and thus fall within the scope of the rights to be protected by this utility model.
Claims
1. A quick-release plate for preventing deflection, characterized in that, include: The quick-release plate body has a first end face and a second end face that are opposite to each other. The quick-release plate body is provided with a movable groove and a threaded groove that penetrate the first end face and the second end face. A connecting screw is movably disposed in the movable groove, with its threaded end protruding from the first end face, for connecting the equipment; The anti-deflection set screw has a thread inside the threaded groove, and its top protrudes from the first end face to tighten the equipment.
2. The anti-deflection quick-release plate according to claim 1, characterized in that, An anti-slip pad and a metal pad are sequentially provided between the connecting screw and the quick-release plate body; or / and an anti-slip plate is provided on the first end face of the quick-release plate body.
3. The anti-deflection quick-release plate according to claim 1, characterized in that, The quick-release plate body has multiple threaded grooves, and correspondingly, the number of anti-deflection set screws is the same as the number of threaded grooves.
4. The anti-deflection quick-release plate according to claim 1, characterized in that, Guide platforms are provided on all four edges of the second end face of the quick-release plate body, and at least one of the guide platforms has a guide surface and a locking groove on its inner side.
5. The anti-deflection quick-release plate according to claim 4, characterized in that, At least one of the guide platforms is provided with an anti-deflection groove.
6. The anti-deflection quick-release plate according to claim 5, characterized in that, The four edges of the quick-release plate body are of the same length, and each of the four guide platforms on the quick-release plate body is provided with a guide surface, a locking groove, and an anti-deflection groove.
7. The anti-deflection quick-release plate according to claim 1, characterized in that, The inner wall of the movable groove is provided with an internal thread that engages with the threaded end of the connecting screw.
8. The anti-deflection quick-release plate according to claim 7, characterized in that, The internal thread is located at one end of the movable groove.
9. An anti-deflection quick-release assembly, characterized in that, Including the anti-deflection quick-release plate and quick-release base as described in any one of claims 4-6, the quick-release base includes a quick-release base body, the quick-release base body having a third end face that contacts the anti-deflection quick-release plate, and a receiving cavity is provided within the quick-release base body, the receiving cavity being provided with: A locking member engages with a locking groove on the quick-release plate body. The locking member is movably disposed within the quick-release base body, and the end of the locking member protrudes from the third end face. Specifically, the locking member can move along a first direction, which is perpendicular to the direction in which the anti-deflection quick-release plate is inserted into the quick-release base. The connector is connected to the locking component; A driving component, at least partially exposed outside the quick-release body, is connected to the connecting component to drive the connecting component and the locking component to move; A reset elastic element is disposed between the connector and / or the drive element and the quick-release base body, so that the locking element engages with the locking groove on the quick-release plate body.
10. The anti-deflection quick-release assembly according to claim 9, characterized in that, The quick-release base body is provided with an anti-deflection protrusion in its accommodating cavity. The anti-deflection protrusion is movably connected to the connector. The end of the anti-deflection protrusion protrudes from the third end face of the quick-release base body and cooperates with the anti-deflection groove on the quick-release plate body. Under the action of the reset elastic member, the anti-deflection protrusion is inserted into the anti-deflection groove on the quick-release plate body.