Industrial connector plug shell clamping hook matching structure

Abstract

The utility model relates to the field of clamping hook matching structures of industrial connector plug shells, in particular to a clamping hook matching structure of an industrial connector plug shell. Comprising a mounting groove, a bayonet and a fixing shaft which are arranged on a plug shell, a rotatable buckle is arranged on the fixing shaft through a multi-arm spring, and the multi-arm spring is composed of a plurality of single-arm torsion springs and uniformly acts on the buckle to provide stable elastic force; in addition, the structural layout and the anti-skid design of the spring are optimized, and a guide inclined plane and an anti-falling ring are arranged at key parts to improve the reliability. The effect of improving the assembling stability and operation convenience of the buckle is achieved, and meanwhile the durability and safety of the overall structure are enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial connector, and in particular to a latch structure of an industrial connector plug shell. BACKGROUND

[0002] Industrial connectors are widely used in various electronic devices as an important part of signal transmission, and their performance directly affects the stability and reliability of the system. In recent years, with the development of electronic products towards miniaturization and integration, higher requirements have been put forward for the design of industrial connectors. On the one hand, the connector needs to have good mechanical and electrical properties; on the other hand, in the production process, it is also necessary to ensure efficient and low-cost assembly process to meet the market demand for mass production.

[0003] In the existing design of industrial connectors, in order to realize the stable connection between the plug and the socket, the spring-latch combination is usually used to complete the locking function. The traditional design scheme mainly includes but is not limited to the following forms: first, a single-arm spring structure is used to install the latch inside the shell, and the elastic contact is maintained by pre-pressing; second, a metal sheet is bent into a shape and directly embedded in the reserved position of the shell, relying on the material's own resilience to achieve the fixing effect; third, a flexible latch made of rubber material is pasted or hot-melt fixed in the specified area, and the expected goal is achieved by its own flexibility. These methods have their own characteristics, but they have been applied to varying degrees in actual application occasions.

[0004] However, the traditional single-arm spring structure has obvious shortcomings. As the size of the industrial connector gradually increases, the required latch and matching spring specifications also expand, resulting in a significant increase in the diameter of the required spring and thus the assembly difficulty. The specific performance is as follows: the spring with larger wire diameter not only increases the operation complexity in the assembly process, but also is prone to tilting due to uneven stress, thereby greatly affecting the occurrence probability of subsequent process problems such as plug positioning accuracy. In addition, the intensity of manual intervention in this case also increases accordingly, ultimately resulting in low overall production efficiency and high labor costs. Therefore, how to effectively reduce the operation difficulty of the assembly link of large-size industrial connectors has become a technical problem to be solved. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a latch structure of an industrial connector plug shell.

[0006] The above technical purpose of the present application is achieved by the following technical scheme: an industrial connector plug shell latch fitting structure, comprising a plug shell, the plug shell is provided with a mounting groove and a bayonet; a fixed shaft is arranged in the mounting groove, a buckle is rotatably mounted on the fixed shaft, and the buckle can be matched with the bayonet; a multi-arm spring formed by a plurality of single-arm torsional springs is sleeved on the fixed shaft, and the plurality of single-arm torsional springs uniformly abut against the buckle to provide the buckle with uniformly distributed elastic force.

[0007] By adopting the above technical scheme, the use of the multi-arm spring enables the buckle to be subjected to uniformly distributed elastic force, and in the case of increased size of the plug shell, the required elastic force effect can still be achieved by a spring with a smaller wire diameter, thereby reducing assembly difficulty, improving assembly efficiency and reducing labor cost. At the same time, this design also provides the possibility for subsequent automatic assembly, further improving production efficiency and product quality stability.

[0008] Optionally, the multi-arm spring comprises two single-arm torsional springs, the two single-arm torsional springs are parallelly sleeved on the fixed shaft, and the rotation directions of the two single-arm torsional springs are opposite; and the two single-arm torsional springs are located between the two mounting holes of the buckle.

[0009] By adopting the above technical scheme, the double-arm spring structure can significantly improve the stability and flexibility of the buckle in the plug shell. Specifically, the two single-arm torsional springs are parallelly sleeved on the fixed shaft, and the opposite rotation direction design makes the elastic force distribution more uniform, effectively avoiding the assembly difficulty problem caused by uneven force of the traditional single-arm spring. At the same time, the symmetrical arrangement of the two single-arm torsional springs at the plug central axis between the two mounting holes of the buckle further enhances the consistency and reliability of the buckle action, while ensuring sufficient elastic force, thereby simplifying the assembly process, improving production efficiency and reducing manufacturing cost.

[0010] Optionally, the two ends of the two single-arm torsional springs are connected or not connected.

[0011] By adopting the above technical scheme, the double-arm spring structure makes the elastic force distribution more uniform, effectively avoiding the skew problem of the latch hole caused by uneven force when the latch is pressed in, thereby significantly improving the convenience and accuracy of the latch installation. At the same time, the design of the two ends of the single-arm torsional spring being connected or not connected further optimizes the spring performance, improves the assembly efficiency and reduces the labor cost.

[0012] Optionally, the multi-arm spring comprises a spiral body and a torsional arm, the plug shell is recessed to form an arc-shaped groove for installing the spiral body, and the plug shell is recessed to form an embedded groove for embeddedly installing the torsional arm.

[0013] By adopting the technical scheme, the spiral body of the multi-arm spring is installed in the arc-shaped slot of the plug shell, and the torsion arm is embedded in the embedding slot of the plug shell, so that the spring structure is more stable, and displacement or falling of the spring in the use process is effectively prevented. Meanwhile, the design simplifies the assembly process, improves the assembly efficiency, and reduces the production cost. Further, the structure can also ensure uniform distribution of the elastic force, and improve the stability and reliability of the buckle and the spout cooperation.

[0014] Optionally, the inner wall of the arc-shaped slot is provided with anti-skid texture, which is grid-shaped or stripe-shaped, so as to increase the friction between the spiral body and the inner wall of the arc-shaped slot, and prevent the spiral body from sliding in the arc-shaped slot.

[0015] By adopting the technical scheme, the anti-skid texture effectively increases the friction between the spiral body and the inner wall of the arc-shaped slot, so as to prevent the spiral body from sliding in the arc-shaped slot and ensure stable installation of the multi-arm spring. This design improves the overall reliability of the industrial connector plug shell catch cooperation structure, and reduces the problems of assembly failure or performance decline caused by spring displacement.

[0016] Optionally, the depth of the embedding slot is matched with the thickness of the torsion arm.

[0017] By adopting the technical scheme, the design that the depth of the embedding slot is matched with the thickness of the torsion arm ensures the stability of the torsion arm after installation, effectively prevents loosening or falling caused by improper depth, optimizes the assembly process, enables the torsion arm to be accurately embedded in the embedding slot, and improves the assembly efficiency. Meanwhile, the precise matching also ensures the overall performance stability of the multi-arm spring, and further enhances the uniform distribution of the elastic force in the buckle action process.

[0018] Optionally, the clamping end of the buckle is provided with a guide slope.

[0019] By adopting the technical scheme, the guide slope provided at the clamping end of the buckle can effectively reduce the frictional resistance generated when the buckle cooperates with other components, so that the buckle is more easily guided and clamped, and the assembly efficiency and reliability are improved.

[0020] Optionally, the fixed shaft is provided with an anti-falling ring at each end.

[0021] By adopting the technical scheme, the anti-falling ring provided at each end of the fixed shaft can effectively prevent the multi-arm spring from falling off the fixed shaft, ensure stable installation of the spring in the plug shell, and thus improve the reliability of the overall structure.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The multi-arm spring structure can reduce the spring wire diameter under the same elastic force condition, reduce the assembly difficulty, and improve the assembly efficiency;

[0024] 2. The uniform distribution of elastic force of the double-arm torsion spring balances the stress of the buckle during the pressing process, avoids the deflection problem caused by uneven stress, and improves the convenience and accuracy of the latch installation;

[0025] 3. The optimized spring structure helps to realize automatic assembly, reduces manual intervention, and effectively reduces production cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of a industrial connector plug shell catch fitting structure;

[0027] Figure 2 is a structural schematic diagram of a multi-arm spring;

[0028] Figure 3 is an exploded view of a industrial connector plug shell catch fitting structure;

[0029] Figure 4 is a structural schematic diagram of a plug shell.

[0030] REFERENCE NUMERALS

[0031] 1, plug shell; 2, mounting groove; 3, catch; 4, fixed shaft; 5, buckle; 6, multi-arm spring; 7, arc-shaped groove; 8, fitting groove; 9, guide inclined surface; 10, anti-dropping ring. DETAILED DESCRIPTION

[0032] The application will be further described in detail below with reference to the accompanying drawings.

[0033] In this embodiment, referring to Figures 1-4 A industrial connector plug shell catch fitting structure, comprising a plug shell 1, a mounting groove 2, a fixed shaft 4, a buckle 5 and a multi-arm spring 6. Among them, the mounting groove 2 is arranged on the plug shell 1, the plug shell 1 is provided with a catch 3 corresponding to the position of the buckle 5, the fixed shaft 4 is arranged in the mounting groove 2 for supporting the buckle 5 and the multi-arm spring 6, the buckle 5 is rotatably installed through the fixed shaft 4 and can realize stable clamping action with the catch 3; The multi-arm spring 6 is uniformly distributed on the fixed shaft 4 and applies elastic force to support the buckle 5, ensuring that the buckle 5 can complete the locking action at the appropriate position, thereby effectively improving the assembly efficiency and reliability.

[0034] Specifically, the multi-arm spring 6 is a composite elastic component composed of multiple single-arm torsion springs, and two single-arm torsion springs or more small-sized torsion springs can be selected to work together. For example, two single-arm torsion springs are parallelly sleeved on the fixed shaft 4, and they have opposite rotating directions and are sleeved on the fixed shaft 4. Such a configuration ensures that two forces are balanced and output to both sides of the buckle 5, thereby reducing the risk of tilting caused by excessive pressure on a single side.

[0035] In addition, the adjacent torsion arms of the two single-arm torsion springs can be selected to be completely connected or not connected according to actual needs. The adjacent torsion arms of the two single-arm torsion springs are integrally formed, and during assembly, since the two single-arm torsion springs have been bent as a whole, installation is more convenient and fast. The bent multi-arm spring 6 is first installed in the mounting groove 2, and then the fixed shaft 4 is installed in the mounting groove 2 of the plug housing 1 while the fixed shaft 4 penetrates through the multi-arm spring 6. Through testing, the multi-arm spring 6 with this connection mode has better integrity while providing stable elastic force, and can adapt to more complex working environments, but the flexibility in adjusting the spring force is slightly worse than that of the not-connected structure of embodiment 1.

[0036] On the plug housing 1, corresponding to the position of the spiral body of the multi-arm spring 6, an arc-shaped groove 7 is formed in the recess, and the radius of the arc-shaped groove 7 is matched with the outer diameter of the spiral body. The inner wall of the arc-shaped groove 7 is processed with a striped anti-slip texture, and the direction of the stripes is parallel to the axial direction of the spiral body. Such a design can effectively prevent the spiral body from sliding in the arc-shaped groove 7, and improve the installation stability of the multi-arm spring 6.

[0037] Corresponding to the torsion arm of the multi-arm spring 6, the plug housing 1 is recessed to form an embedding groove 8, and the depth of the embedding groove 8 is matched with the thickness of the torsion arm. During assembly, the spiral body of the multi-arm spring 6 is first placed in the arc-shaped groove 7 to ensure that the spiral body is in close contact with the anti-slip texture of the arc-shaped groove 7; then the fixed shaft 4 and the buckle 5 are installed. Through testing, the improved installation structure of the multi-arm spring 6 can effectively improve the stability of the entire hook matching structure and reduce the clamping failure caused by the displacement of the multi-arm spring 6.

[0038] The clamping end of the buckle 5 is provided with a guide inclined surface 9, which can effectively reduce the frictional resistance generated when the buckle 5 cooperates with other components, so that the buckle 5 is more easily guided and completes the clamping action, improving the assembly efficiency and reliability.

[0039] The fixed shaft 4 is provided with a anti-falling ring 10 at both ends, which can effectively prevent the multi-arm spring 6 from falling off the fixed shaft 4, ensure the stable installation of the spring in the plug housing 1, and thus improve the reliability of the overall structure.

[0040] The implementation principle of the embodiment is that the unique structural characteristics of the multi-arm spring 6 enable the buckle 5 to rotate smoothly and accurately enter the socket 3 to realize locking when subjected to external force, the offset phenomenon in the assembly process is reduced due to the more balanced spring force distribution, the reliability and efficiency of work are greatly improved, and the complexity and fatigue degree of worker operation are also reduced.

[0041] The embodiments of the specific implementation are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. An industrial connector plug housing snap fit structure, characterized by, The utility model provides a plug housing (1) is provided with installation slot (2) and bayonet (3) on, installation slot (2) is provided with fixed shaft (4) inside, the fixed shaft (4) rotatably installs buckle (5) on, the buckle (5) can realize matched joint with bayonet (3), the fixed shaft (4) is set with the multi -arm spring (6) formed by a plurality of single -arm torsional spring combination, a plurality of single -arm torsional spring evenly with buckle (5) abuts to for the buckle (5) provides the elastic force of uniform distribution.

2. An industrial connector plug housing snap fit structure according to claim 1, wherein The multi -arm spring (6) includes two single -arm torsional springs, two single -arm torsional springs are evenly set on the fixed shaft (4), and the rotation direction is opposite, two single -arm torsional springs are located in the middle of the two mounting holes of the buckle (5).

3. An industrial connector plug housing snap fit structure according to claim 2, wherein The two ends of the two single -arm torsional springs are connected or not connected.

4. An industrial connector plug housing snap fit structure according to claim 1, wherein The multi -arm spring (6) includes a spiral body and a torsion arm, the plug housing (1) is recessed to form an arc-shaped groove (7) for installing the spiral body, and the plug housing (1) is recessed to form an embedded groove (8) for embedding and installing the torsion arm.

5. An industrial connector plug housing snap fit structure according to claim 4, wherein The inner wall of the arc-shaped groove (7) is provided with anti-slip texture, which is grid-shaped or stripe-shaped, increases the friction between the spiral body and the arc-shaped groove (7), and prevents the spiral body from sliding in the arc-shaped groove (7).

6. An industrial connector plug housing snap fit structure according to claim 4, wherein The depth of the embedded groove (8) is matched with the thickness of the torsion arm.

7. An industrial connector plug housing snap fit structure according to claim 1, wherein The clamping end of the buckle (5) is provided with a guide slope (9).

8. An industrial connector plug housing snap fit structure according to claim 1, wherein The fixed shaft (4) is provided with an anti-dropping ring (10) at both ends respectively. The fixed shaft (4) is provided with an anti-dropping ring (10) at both ends respectively.

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