Claw spring jack

Abstract

The utility model relates to the technical field of electric connectors, in particular to a pawl spring jack which comprises a jack base body, a lining and a pawl spring, one end face of the jack base body is provided with a connecting groove, the other end face of the jack base body is provided with a mounting groove, and the jack base body is provided with a plug-in groove which is communicated with the mounting groove and faces the mounting groove. The radius of the mounting groove is larger than that of the plugging groove. The end, facing the mounting groove, of the jack base body is folded in the radius reduction direction to form a collection end. The lining is arranged in the mounting groove in a penetrating manner, one end of the lining wraps the inserting groove, a locking part is defined by the end opening of the inserting groove and the lining, and the other end of the lining is connected to the inner wall of the bundling end; the pawl spring abuts against the locking part and is arranged towards the tightening end, the end, facing the pawl spring and away from the locking part, of the inner wall of the bush is provided with a receding structure, and the receding structure wraps the pawl spring. The utility model aims to improve the random vibration resistance of the pawl spring jack, and is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially relates to a claw spring jack. BACKGROUND

[0002] Current capacity, plug-in life is the core factor when considering the design of electric connector contact, and the elastic member in the contact is the most important in the design. The existing jack body structure cannot meet the new claw spring assembly requirements, because the traditional jack body does not have the claw spring extension structure. At the same time, the traditional sleeve + jack body composition form of jack body assembly is a structure form that cannot be disassembled after cooperation. In the case of contact spring failure, the contact spring can only be scrapped, causing material waste. SUMMARY

[0003] The utility model discloses a claw spring jack, which aims to improve the anti-random vibration performance of the claw spring jack and facilitate maintenance.

[0004] To achieve the above object, the utility model provides a claw spring jack, which comprises a jack base body, a bushing and a claw spring.

[0005] One end surface of the jack base body is provided with a connecting groove, and the other end surface is provided with a mounting groove. The jack base body is provided with a plug-in groove communicated with the mounting groove in the direction of the mounting groove. The radius of the mounting groove is greater than the radius of the plug-in groove. The end of the jack base body in the direction of the radius reduction is folded to form a converging end.

[0006] The bushing is arranged in the mounting groove. One end of the bushing is wrapped around the plug-in groove and the port of the plug-in groove to form a locking part. The other end is connected to the inner wall of the converging end.

[0007] The claw spring is arranged in abutment with the locking part and in the direction of the converging end. The inner wall of the bushing is provided with a clearance structure at the end part away from the locking part in the direction of the claw spring. The clearance structure is wrapped around the claw spring.

[0008] In an embodiment of the present application, one end of the bushing is provided with a limiting groove in the direction of the clearance structure. The other end is provided with a fixing groove communicated with the clearance structure. The limiting groove, the clearance structure, the fixing groove and the plug-in groove are coaxially arranged in sequence.

[0009] In an embodiment of the present application, the radius of the clearance structure is greater than the radius of the fixing groove. The radius of the fixing groove is greater than the radius of the limiting groove. The end of the claw spring is arranged opposite to the fixing groove.

[0010] In an embodiment of the present application, the claw spring comprises an end band and a plurality of elastic pieces arranged at intervals and connected to the end band, the end band is arranged in the fixing groove and connected to the locking part, the elastic pieces are sequentially provided with spring pieces and free ends away from the end band, the plurality of spring pieces are gradually tapered away from the end band, the plurality of free ends are gradually expanded away from the end band, the plurality of spring pieces and free ends are clamped to form the connecting slot, and the aperture of the connecting slot is smaller than the aperture of the fixing groove.

[0011] In an embodiment of the present application, the claw spring comprises an end band and a plurality of elastic pieces arranged at intervals and connected to the end band, the end band is arranged in the fixing groove and connected to the locking part, the elastic pieces are sequentially provided with spring pieces and free ends away from the end band, the plurality of spring pieces are gradually tapered away from the end band, the plurality of free ends are gradually expanded away from the end band, the plurality of spring pieces and free ends are clamped to form the connecting slot, and the aperture of the connecting slot is smaller than the aperture of the fixing groove.

[0012] In an embodiment of the present application, the claw spring comprises an end band and a plurality of elastic pieces arranged at intervals and connected to the end band, the end band is arranged in the fixing groove and connected to the locking part, the elastic pieces are sequentially provided with spring pieces and free ends away from the end band, the plurality of spring pieces are gradually tapered away from the end band, the plurality of free ends are gradually expanded away from the end band, the plurality of spring pieces and free ends are clamped to form the connecting slot, and the aperture of the connecting slot is smaller than the aperture of the fixing groove.

[0013] By adopting the above technical scheme, the utility model has the following advantages:

[0014] 1. The connecting slot arranged at one end of the jack base body can facilitate the installation of the claw spring jack, the installation slot can be used for installing the claw spring, the plug-in slot connected to the installation slot can facilitate the installation and limitation of the connector pin, the claw spring is used for connecting and locking the connector pin, the stability of the connection between the pin and the claw spring jack is ensured, potential safety hazards are avoided, and the radius of the installation slot is larger than the radius of the plug-in slot, so that the claw spring can be conveniently installed;

[0015] 2. The installation slot is provided with the bushing, and the claw spring is installed through the bushing, and the bushing is more convenient to maintain than a complete metal, plastic workpiece or silica gel workpiece;

[0016] 3. The claw spring jack can have stronger anti-random vibration performance through the above structure, the claw spring jack can be well limited through the tapered end formed by the folding of the jack base body, the claw spring jack can be prevented from being pulled out of the installation slot due to collision, the pin insertion and the like, the locking part between the bushing and the plug-in slot can make the claw spring more stable, and the working performance of the claw spring can be effectively improved;

[0017] 4. The claw spring jack can have stronger anti-random vibration performance through the above structure, the claw spring jack can be well limited through the tapered end formed by the folding of the jack base body, the claw spring jack can be prevented from being pulled out of the installation slot due to collision, the pin insertion and the like, the locking part between the bushing and the plug-in slot can make the claw spring more stable, and the working performance of the claw spring can be effectively improved; BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0019] Figure 1 It is a structure diagram of the claw spring jack of the utility model;

[0020] Figure 2 It is a sectional view of the claw spring jack of the utility model;

[0021] Figure 3 It is Figure 2 It is a local enlarged view of A in the middle.

[0022] Explanation of reference numerals:

[0023] 1, jack base body; 11, connecting groove; 12, converging end; 13, mounting groove; 14, plug-in groove; 2, bushing; 21, locking portion; 22, connecting portion; 23, limiting groove; 24, accommodation structure; 25, first accommodation cavity; 26, second accommodation cavity; 27, fixing groove; 3, claw spring; 31, end band; 32, spring leaf; 33, free end; 4, connecting plug slot.

[0024] The purpose, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0026] Reference Figures 1 to 3 A claw spring 3 jack, including jack base body 1, bushing 2 and claw spring 3, the one end surface of jack base body 1 is provided with connecting groove 11, the other end surface is provided with mounting groove 13, jack base body 1 is provided with plug-in groove 14 that is communicated with mounting groove 13 towards mounting groove 13, the radius of mounting groove 13 is greater than the radius of plug-in groove 14, the end head of jack base body 1 towards mounting groove 13 is folded and formed with converging end 12 along the direction of radius reduction;Bushing 2 is provided in mounting groove 13, one end of bushing 2 is wrapped in plug-in groove 14 and is formed with locking portion 21 with the port of plug-in groove 14, the other end is connected to the inner wall of converging end 12;Claw spring 3 is abutted to locking portion 21 and is arranged towards converging end 12, the inner wall of bushing 2 is provided with accommodation structure 24 towards the end of claw spring 3 away from locking portion 21, and the accommodation structure 24 is wrapped in claw spring 3.

[0027] The connecting groove 11 arranged at one end of the jack base 1 can facilitate the installation of the jack spring 3, the installation groove 13 can be used for installing the jack spring 3, the plug-in groove 14 communicated with the installation groove 13 can facilitate the installation and definition of the connector pin, the jack spring 3 is used for connecting and locking the connector pin, guarantees the stability of the connection between the pin and the jack spring 3, avoids the security risks, and the radius of the installation groove 13 is greater than the radius of the plug-in groove 14, so that the jack spring 3 can be conveniently installed.

[0028] The bushing 2 is arranged in the installation groove 13 and the jack spring 3 is installed through the bushing 2, and the bushing 2 is more convenient to maintain than a complete metal, plastic workpiece or silica gel workpiece.

[0029] The converging end 12 is formed by folding the jack base 1, the bushing 2 can be well limited, the bushing 2 is prevented from being pulled out of the installation groove 13 due to collision, pulling and inserting the pin and the like, the locking portion 21 between the bushing 2 and the plug-in groove 14 can make the jack spring 3 more stable, the working performance of the jack spring 3 can be effectively improved, and the jack spring 3 has stronger anti-random vibration performance through the above structure.

[0030] The accommodation structure 24 is arranged on the inner wall of the jack spring 3 and surrounds the free end of the jack spring 3, the free end of the jack spring 3 can better move when the pin is inserted into the jack spring 3 through the accommodation structure 24, the jack spring 3 is prevented from being damaged due to extrusion with the inner wall of the bushing 2 after deformation, and the service life of the jack spring 3 can be improved.

[0031] In combination with the accompanying drawings, Figures 1 to 3 In an embodiment of the present application, the limiting groove 23 is arranged at one end of the bushing 2 and faces the accommodation structure 24, the other end of the bushing 2 is provided with the fixing groove 27 communicated with the accommodation structure 24, the limiting groove 23, the accommodation structure 24, the fixing groove 27 and the plug-in groove 14 are coaxially arranged and communicated in sequence.

[0032] The cavity is arranged in the bushing 2 and sequentially includes the limiting groove 23 for limiting the shaking and moving direction of the pin, the accommodation structure 24 for facilitating the deformation and storage of the jack spring 3, and the fixing groove 27 for surrounding one end of the jack spring 3, the fixing groove 27 can firmly clamp the jack spring 3 in cooperation with the locking portion 21, the fixing groove 27 is part of the bushing 2 and has good damping effect, and the jack spring 3 of the present application has stronger anti-random vibration performance through the structure.

[0033] In combination with the accompanying drawings, Figures 2 to 3 In an embodiment of the present application, the radius of the accommodation structure 24 is greater than the radius of the fixing groove 27, the radius of the fixing groove 27 is greater than the radius of the limiting groove 23, and the end of the jack spring 3 faces the fixing groove 27.

[0034] The radius of the limiting groove 23 needs to be equal to the radius of the pin, so as to better limit the movement of the pin. When the pin passes through the claw spring 3, the free end 33 of the claw spring 3 deforms and is firmly connected to the pin. The radius of the accommodation structure 24 is greater than that of the fixed groove 27, which can ensure that the free end 33 does not rub against the bushing 2 when the pin passes through. In order to make the pin pass through normally and also to make the claw spring 3 deform normally, the radius of the fixed groove 27 is greater than that of the limiting groove 23, so that the pin is inserted more smoothly, which can facilitate the insertion and removal of the pin, and the user experience is better.

[0035] For your reference Figure 3 In an embodiment of the present application, the claw spring 3 includes an end band 31 and a plurality of elastic pieces spaced apart and connected to the end band 31. The end band 31 is provided through the fixed groove 27 and is connected to the locking portion 21. The elastic pieces away from the end band 31 are sequentially provided with a spring piece 32 and a free end 33. The plurality of spring pieces 32 gradually converge in a direction away from the end band 31. The plurality of free ends 33 gradually expand in a direction away from the end band 31. The plurality of spring pieces 32 and free ends 33 are clamped to form a connecting slot 4. The aperture of the connecting slot 4 is smaller than that of the fixed groove 27.

[0036] The claw spring 3 makes the signal transmission more stable through the end band 31, and also makes the fixation of the claw spring 3 more convenient. The plurality of elastic pieces spaced apart on the end band 31 have better deformation effect by the structure of the spring piece 32 and the free end 33. The connecting slot 4 can be regarded as a corner formed by the end of the spring piece 32 being folded. The elastic piece at this position is smoother, can hold the pin and reduce damage to the pin. The free end 33 can form a guide end, so that the pin with a diameter larger than the connecting slot 4 can be smoothly inserted and stably connected, and the pin can be well protected.

[0037] For your reference Figure 3 In an embodiment of the present application, the accommodation structure 24 includes a first accommodation cavity 25 and a second accommodation cavity 26. The first accommodation cavity 25 is connected to the limiting groove 23, and the second accommodation cavity 26 is connected to the fixed groove 27. The first accommodation cavity 25 surrounds the free end 33, and the second accommodation cavity 26 surrounds the spring piece 32. The radius of the first accommodation cavity 25 is greater than that of the second accommodation cavity 26.

[0038] Because the elastic piece is composed of the spring piece 32 and the free end 33, and the free end 33 is equivalent to the end of the spring piece 32 and is folded towards the bushing 2, the free end 33 has a larger deformation range relative to the spring piece 32. In order to protect the free end of the claw spring 3 from being damaged by the two connected accommodation cavities, the radius of the first accommodation cavity 25 is greater than that of the second accommodation cavity 26.

[0039] For your reference Figures 1 to 3In an embodiment of the present application, the bushing 2 is connected to the bottom edge of the converging end 12, the bushing 2 is provided with a connecting portion 22 facing the converging end 12, the converging end 12 is wrapped around the connecting portion 22, and the connecting portion 22 is provided with a matching groove in communication with the limiting groove 23, the radius of the matching groove gradually increases along the direction away from the mounting groove 13.

[0040] The starting position of the connecting portion 22 is connected to the bottom of the converging end 12, and the ending position of the connecting portion 22 is connected to the top of the converging end 12, so that the bushing 2 can be completely encapsulated by the converging end 12, and the anti-random vibration performance of the jack spring 3 insertion hole can be effectively improved. The inner wall of the connecting portion 22 is provided with a matching groove in communication with the limiting groove 23, the aperture of the matching groove gradually increases along the direction away from the limiting groove 23, the insertion pin can be better aligned with the direction of the limiting groove 23, and the insertion pin can be better inserted, the structure strength of the insertion hole is improved, and the insertion hole is more convenient to use.

[0041] In the drawings of the present embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0042] The above is only a preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pawl spring jack, characterized by, The utility model relates to a jack base, a bushing and a claw spring, and belongs to the field of connector. The jack base comprises a jack base body, a connecting groove is formed in one end face of the jack base body, an installation groove is formed in the other end face of the jack base body, a plug-in groove is formed in the jack base body and communicates with the installation groove, the radius of the installation groove is greater than the radius of the plug-in groove, and the end of the jack base body towards the installation groove is folded in the direction of the radius reduction to form a converging end. The bushing is arranged in the installation groove, one end of the bushing is wrapped around the plug-in groove and forms a locking part with the port of the plug-in groove, and the other end of the bushing is connected to the inner wall of the converging end. The claw spring is arranged in abutment with the locking part and towards the converging end, and the inner wall of the bushing is provided with a give-way structure at the end part away from the locking part and towards the claw spring.

2. The pawl spring jack of claim 1 wherein, One end of the bushing is provided with a limiting groove towards the give-way structure, and the other end is provided with a fixing groove communicating with the give-way structure, the limiting groove, the give-way structure, the fixing groove and the plug-in groove are coaxially arranged in sequence.

3. A pawl spring jack according to claim 2, wherein, The radius of the give-way structure is greater than the radius of the fixing groove, the radius of the fixing groove is greater than the radius of the limiting groove, and the end of the claw spring is arranged opposite to the fixing groove.

4. The pawl spring jack of claim 2 wherein, The claw spring comprises an end band and a plurality of elastic sheets arranged at intervals and connected to the end band, the end band is arranged in the fixing groove and connected to the locking part, the elastic sheets are provided with a spring sheet and a free end in sequence away from the end band, the plurality of spring sheets are gradually converging in the direction away from the end band, the plurality of free ends are gradually expanded in the direction away from the end band, the plurality of spring sheets and free ends are clamped to form a connecting plug-in groove, and the hole diameter of the connecting plug-in groove is smaller than that of the fixing groove.

5. A pawl spring jack according to claim 4, wherein, The give-way structure comprises a first give-way cavity and a second give-way cavity, the first give-way cavity is connected to the limiting groove, the second give-way cavity is connected to the fixing groove, the first give-way cavity is wrapped around the free end, and the second give-way cavity is wrapped around the spring sheet.

6. The pawl spring jack of claim 2 wherein, The bushing is connected to the bottom edge of the converging end, the bushing is provided with a connecting part towards the converging end, the converging end is wrapped around the connecting part, the connecting part is provided with a matching groove communicating with the limiting groove, and the radius of the matching groove gradually increases in the direction away from the installation groove.

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