Screw mounting structure for connector, connector and connector assembly
By setting a limiting boss and a receiving hole on the connector housing, the problem of screws falling off the connector is solved, achieving an anti-loosening effect without the need for additional parts, simplifying the structure and improving safety and reliability.
Patent Information
- Application Number
- CN202520160939.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing connectors are prone to falling off during screw insertion or removal, resulting in screw loss or falling into the equipment, posing a safety hazard. Furthermore, the existing anti-loosening design requires additional components, increasing production costs and processes.
An annular limiting boss is provided in the screw hole on the connector housing. The limiting boss has a limiting hole and a receiving hole. The smooth part of the anti-loosening screw slides through the limiting hole, and the external thread part is limited and matched with the limiting boss and can be completely accommodated in the receiving hole to prevent the screw from falling off.
It achieves the goal of preventing screws from falling out without adding additional components, simplifies the structure, and avoids screws from being lost or falling into the equipment during screwing in or out, thus ensuring safety and reliability.
Smart Images

Figure CN223858541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of connector, more particularly, relate to a screw mounting structure for connector, connector and connector assembly. BACKGROUND
[0002] Screw fastening is a common fastening method in electronic industry, in the use process, often will meet the screw in the process of screwing in or screwing out falls off, lead to the screw loss or fall into the inside condition of equipment, cause unnecessary trouble, even have security risk. Therefore, screw anti -drop is particularly important in actual operation. The common screw anti -drop design on the existing connector as shown in Figure 1 And Figure 2 It is through increasing accessory to prevent screw from falling off, for example, increase the clamping washer 1, increase the nut 2 etc., increase the process and cost in the production process. UTILITY MODEL CONTENT
[0003] The utility model discloses a screw mounting structure for connector, connector and connector assembly are provided to solve the problem of how to prevent screw from falling off without increasing additional components on the connector.
[0004] In order to realize the above-mentioned purpose, the utility model provides a screw mounting structure for connector, comprising:
[0005] The connecting portion is connected with the shell of the connector, a screw hole is formed in the interior of the connecting portion, an annular limiting boss is arranged in the screw hole, a limiting hole is formed in the limiting boss, and an accommodating hole is formed in one side of the limiting boss.
[0006] The anti -drop screw includes an operating portion and a rod -like portion, the rod -like portion includes a light rod portion close to the operating portion and an external thread portion away from the operating portion, the light rod portion is slidably penetrated through the limiting hole, the external thread portion is limitedly matched with the limiting boss, and the external thread portion can be completely accommodated by the accommodating hole.
[0007] Optionally, the other side of the limiting boss is formed with a first guide hole.
[0008] Optionally, one end of the limiting boss close to the first guide hole is provided with a chamfer, and a second guide hole is formed in the chamfer.
[0009] Optionally, the screw hole further includes a positioning hole in communication with the accommodating hole, and the positioning hole is used for plug-in cooperation with the nut portion.
[0010] Optionally, the hole diameter of the limiting hole is 0.2-0.4mm less than the outer diameter of the external thread portion.
[0011] Optionally, the aperture of the limiting hole is 0.1-0.2mm larger than the outer diameter of the light rod part.
[0012] Optionally, the aperture of the accommodating hole is 0.1-0.3mm larger than the outer diameter of the outer threaded part.
[0013] The utility model also provides a kind of connector, comprising:
[0014] Shell, first electric connection component is arranged in the shell;
[0015] The screw mounting structure for the connector described above.
[0016] The utility model also provides a kind of connector assembly, comprising:
[0017] The connector described above;
[0018] Counter connector, the counter connector is inserted with the connector;
[0019] Nut part, the nut part is connected with the counter connector or with the installation plate where the counter connector is located, and the nut part is threadedly connected with the anti-drop screw.
[0020] The utility model also provides another kind of connector assembly, comprising:
[0021] The connector described above;
[0022] Installation plate, nut part connection is provided in the installation plate, and the nut part is threadedly connected with the anti-drop screw.
[0023] The utility model provides a kind of screw mounting structure for connector, connector and connector assembly, its beneficial effect lies in: the screw mounting structure for the connector is provided with screw hole on the connecting portion of the shell of connector, anti-drop screw is arranged in screw hole, the operating portion of anti-drop screw is arranged outside connecting portion, the light rod part of anti-drop screw is slidably penetrated into the limiting hole on limiting boss, and the outer threaded part with the outer diameter greater than light rod part is limitedly matched with limiting boss, so that anti-drop screw cannot be dropped from screw hole, simultaneously, after anti-drop screw is screwed out to separate from nut part, it can be completely received in accommodating hole, and the outer threaded part is completely accommodated by accommodating hole, enough space is ensured for the outer threaded part to retreat, to ensure that anti-drop screw is more vertical after retreat, so that anti-drop screw can be successfully screwed into nut part again;The screw mounting structure for the connector does not increase additional components in connecting portion or outside connecting portion to prevent screw from falling off, simplify structure, also need not extra operation, avoid screw from falling off in the process of being received or being screwed out, lead to loss or fall into equipment interior, cause unnecessary trouble, even have the effect of potential safety hazard.
[0024] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0025] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout and in which:
[0026] Figure 1 A schematic diagram of a screw anti-loosing structure in the prior art is shown.
[0027] Figure 2 A schematic diagram of another screw anti-loosing structure in the prior art is shown.
[0028] Figure 3 A schematic diagram of a screw mounting structure for a connector according to one embodiment of the present application is shown.
[0029] Figure 4 A schematic diagram of a connector according to one embodiment of the present application is shown.
[0030] Figure 5 A schematic diagram of a screw anti-loosing structure for a connector assembly according to one embodiment of the present application is shown.
[0031] Figure 6 A schematic diagram of a screw anti-loosing structure for a connector assembly according to one embodiment of the present application is shown.
[0032] BRIEF DESCRIPTION OF DRAWINGS
[0033] 1, clamping gasket; 2, nut; 3, connecting part; 4, shell; 5, limiting boss; 6, limiting hole; 7, containing hole; 8, operating part; 9, light rod part; 10, external thread part; 11, first guide hole; 12, second guide hole; 13, positioning hole; 14, nut part; 15, counter connector; 16, mounting plate. DETAILED DESCRIPTION
[0034] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application is more thorough and complete, and to convey the full scope of the present application to those skilled in the art.
[0035] As shown in Figure 3 the present application provides a screw mounting structure for a connector, comprising:
[0036] The connecting part 3 is connected with the shell 4 of the connector, the inside of the connecting part 3 is provided with a screw hole, the screw hole is provided with an annular limiting boss 5, the limiting boss 5 is formed with a limiting hole 6, and one side of the limiting boss 5 is formed with a containing hole 7.
[0037] The anti-coming-off screw includes an operating part 8 and a rod-shaped part, the rod-shaped part includes a light rod part 9 close to the operating part 8 and an external thread part 10 away from the operating part 8, the light rod part 9 is slidably penetrated through the limiting hole 6, the external thread part 10 is limitedly matched with the limiting boss 5, and the external thread part 10 can be completely contained by the containing hole 7.
[0038] Specifically, to solve the problem of how to prevent the screw from coming off without adding additional components on the connector, the screw mounting structure for the connector is provided with the screw hole on the connecting part 3 of the shell 4 of the connector, the anti-coming-off screw is penetrated through the screw hole, the operating part 8 of the anti-coming-off screw is arranged outside the connecting part 3, the light rod part 9 of the anti-coming-off screw is slidably penetrated through the limiting hole 6 on the limiting boss 5, and the external thread part 10 with an outer diameter larger than the light rod part 9 is limitedly matched with the limiting boss 5, so that the anti-coming-off screw cannot come off and fall from the screw hole, meanwhile, after the anti-coming-off screw is screwed out and separated from the nut part 14, the anti-coming-off screw can be completely contained in the containing hole 7, the external thread part 10 is completely contained by the containing hole 7, sufficient space is ensured for the external thread part 10 to retreat, and the anti-coming-off screw is more vertical after retreat, so that the anti-coming-off screw can be smoothly screwed into the nut part 14 again; the screw mounting structure for the connector does not add additional components in or outside the connecting part 3 to prevent the screw from coming off, the structure is simplified, additional operations are not needed, the screw is prevented from coming off during the process of being contained or screwed out, loss or falling into the inside of the equipment is avoided, unnecessary troubles are avoided, and even the effect of safety hidden danger is avoided.
[0039] In the embodiment, the anti-coming-off screw is a non-coming-off screw or a non-coming-off nut, the operating part 8 is an operating head of the screw, the connecting part 3 is a block structure and is integrally formed with the shell 4, the operating part 8 is outside the connecting part 3 and is limitedly matched with the connecting part 3, the shape and operating mode of the operating part 8 can be selected according to needs, for example, the shape is a disc head, a round head or a hexagonal head, and the operating mode is an internal hexagonal or a cross-shaped operating port.
[0040] Optionally, the other side of the limiting boss 5 is formed with a first guide hole 11.
[0041] Specifically, the first guide hole 11 is arranged at one end of the screw hole close to the operating part 8, and the first guide hole 11 is arranged to enable the anti-coming-off screw to be as vertical as possible and centrally screwed into the limiting hole 6 under the guidance of the first guide hole 11 when the anti-coming-off screw is initially contained in the screw hole.
[0042] Optionally, the limiting boss 5 is provided with a chamfer near one end of the first guide hole 11, and the second guide hole 12 is formed in the chamfer.
[0043] Specifically, the second guide hole 12 formed by the chamfer of the limiting boss 5 is conical, and plays a further guiding role on the anti-loose screw.
[0044] In the embodiment, the included angle between the chamfer and the axial direction of the screw hole is less than 45°.
[0045] Optionally, the screw hole further comprises a positioning hole 13 in communication with the accommodating hole 7, and the positioning hole 13 is used for plug-in cooperation with the nut part 14.
[0046] Specifically, the positioning hole 13 is used for plug-in cooperation with the nut part 14 on the mating connector 15 or the mounting plate 16 when the screw mounting structure for the connector is matched with the mating connector 15 or mounted on the mounting plate 16, and the nut part 14 is inserted into the positioning hole 13, thereby playing a positioning effect.
[0047] In the embodiment, the hole diameter of the positioning hole 13 is 0.1-0.4 mm larger than the outer diameter of the nut part 14.
[0048] Optionally, the hole diameter of the limiting hole 6 is 0.2-0.4 mm smaller than the outer diameter of the external thread part 10.
[0049] Specifically, the maximum outer diameter of the external thread part 10 is larger than the outer diameter of the light rod part 9, the hole diameter of the limiting hole 6 is slightly smaller than the maximum outer diameter of the external thread part 10, and the external thread part 10 is limited by the limiting boss 5 to avoid being pulled out of the thread hole.
[0050] Optionally, the hole diameter of the limiting hole 6 is 0.1-0.2 mm larger than the outer diameter of the light rod part 9.
[0051] Specifically, the hole diameter of the limiting hole 6 is slightly larger than the outer diameter of the light rod part 9, so that the light rod part 9 can smoothly move axially in the limiting hole 6.
[0052] Optionally, the hole diameter of the accommodating hole 7 is 0.1-0.3 mm larger than the outer diameter of the external thread part 10.
[0053] Specifically, the hole diameter of the accommodating hole 7 is slightly larger than the outer diameter of the external thread part 10, which is to give the external thread part 10 a retreat space and ensure that the anti-loose screw is relatively vertical after retreat, so as to facilitate the anti-loose screw to be smoothly screwed in again, and the hole wall of the accommodating hole 7 plays a guiding role.
[0054] In summary, the screw mounting structure for the connector provided by the utility model is used as follows: firstly, the anti-escape screw is inserted into the first guide hole 11, passes through the first guide hole 11 and the second guide hole 12, and then is rotated under the guidance of the two guide holes, the outer thread part 10 of the anti-escape screw is screwed into the limiting hole 6, and then enters the containing hole 7, and simultaneously the polished rod part 9 is slidably arranged in the limiting hole 6; since the diameter of the limiting hole 6 is smaller than the maximum outer diameter of the outer thread part 10, the anti-escape screw cannot be escaped from the screw hole without using a destructive force, and the anti-escape effect is achieved.
[0055] As shown in Figure 4 The utility model also provides a connector which comprises:
[0056] A shell 4 is provided with a first electric connection part 3 in the shell 4;
[0057] The screw mounting structure for the connector.
[0058] Specifically, the shell 4 of the connector is provided with a connection part 3, the anti-escape screw is mounted on the connector through the screw mounting structure for the connector, no additional components are used, and no additional operation is needed, and the effect of preventing the screw from escaping is achieved.
[0059] In the embodiment, the shell 4 is provided with one screw mounting structure for the connector at each end.
[0060] In the embodiment, the utility model also provides a connector assembly which comprises:
[0061] The connector;
[0062] The connector is matched with the counter connector 15;
[0063] The nut part 14 is connected with the counter connector 15 or an installation plate 16 on which the counter connector 15 is arranged, and the nut part 14 is threadedly connected with the anti-escape screw.
[0064] In the embodiment, the connector assembly comprises the connector and the counter connector 15 matched with the connector, the counter connector 15 comprises a second electric connection part 3 matched with the first electric connection part 3, the two parts are matched and connected, and electric connection and signal transmission are realized; when the nut part 14 is arranged on the counter connector 15, the nut part 14 is inserted into the positioning hole 13 after the connector and the counter connector 15 are matched, the anti-escape screw is screwed into the nut part 14, and reliable connection of the two connectors can be realized; when the counter connector 15 is arranged on the installation plate 16 and the nut part 14 is arranged on the installation plate 16, Figure 5 and Figure 6As shown, after the connector and the counter connector 15 are plugged together, the nut part 14 is inserted into the positioning hole 13, and the anti-loosing screw is screwed into the nut part 14, so that the two connectors are reliably connected.
[0065] In another embodiment, the utility model also provides another connector assembly, which comprises:
[0066] The connector described above;
[0067] The mounting plate is provided with the nut part 14, and the nut part 14 is threadedly connected with the anti-loosing screw.
[0068] In another embodiment, another connector assembly comprises the connector described above and the mounting plate, the connector described above is mounted on the mounting plate, and the mounting plate is provided with the nut part 14; when the connector described above is mounted on the mounting plate, the nut part 14 is inserted into the positioning hole 13, and the anti-loosing screw is screwed into the nut part 14, so that the connector described above is reliably mounted on the mounting plate.
[0069] Further, the another connector assembly can also comprise a counter connector, the counter connector is plugged together with the connector described above mounted on the mounting plate, so as to realize electrical connection and signal transmission.
[0070] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A screw mounting structure for a connector, characterized by, The application relates to a screw mounting structure for a connector. The connecting part is internally provided with a screw hole, the screw hole is provided with an annular limiting boss, the limiting boss is internally formed with a limiting hole, and one side of the limiting boss is formed with a containing hole. The anti-dropping screw comprises an operating part and a rod-shaped part, the rod-shaped part comprises a light rod part close to the operating part and an external thread part away from the operating part, the light rod part is slidably penetrated through the limiting hole, the external thread part is limitedly matched with the limiting boss, and the external thread part can be completely contained by the containing hole.
2. The screw mounting structure for a connector according to claim 1, characterized by The other side of the limiting boss is formed with a first guide hole.
3. The screw mounting structure for a connector according to claim 2, characterized by One end of the limiting boss close to the first guide hole is provided with a chamfer, and the chamfer is internally formed with a second guide hole.
4. The screw mounting structure for a connector according to claim 1, characterized by The screw hole further comprises a positioning hole in communication with the containing hole, and the positioning hole is used for plug-in matching with a nut part.
5. The screw mounting structure for a connector according to claim 1, characterized by The limiting hole has a hole diameter smaller than the external diameter of the external thread part by 0.2-0.4 mm.
6. The screw mounting structure for a connector according to claim 1, characterized by The limiting hole has a hole diameter larger than the external diameter of the light rod part by 0.1-0.2 mm.
7. The screw mounting structure for a connector according to claim 1, characterized by The containing hole has a hole diameter larger than the external diameter of the external thread part by 0.1-0.3 mm.
8. A connector characterized by comprising: The application relates to a screw mounting structure for a connector. The application relates to a screw mounting structure for a connector. The application relates to a screw mounting structure for a connector.
9. A connector assembly characterized by, The application relates to a screw mounting structure for a connector. The application relates to a screw mounting structure for a connector. 10. A connector assembly characterized by,