Wire spring jack

Abstract

The utility model relates to the technical field of electric connectors, in particular to a wire spring jack, which comprises a rear sleeve, a wire spring assembly and a lining, one end face of the rear sleeve is provided with a mounting groove and is coaxially provided with a connecting groove towards the mounting groove, and the diameter of the mounting groove is larger than that of the connecting groove; the wire spring assembly comprises a base body and a wire spring, the base body is cylindrical, the wire spring is circumferentially wound on the base body in the axis direction of the base body, a plurality of bosses are arranged on the outer wall of the base body in a protruding mode, the height of the bosses is larger than the diameter of the wire spring, one end of the base body is inserted into the mounting groove, and the bosses abut against the mounting groove; the inner wall of the lining abuts against the boss, one end of the lining is connected to the rear sleeve, the other end of the lining protrudes inwards to be provided with a guide part, the diameter of the guide part is larger than the inner diameter of the wire spring, and the guide part and the lining wrap the wire spring assembly. According to the utility model, the male pin can be rapidly and stably inserted into the wire spring jack.

Description

TECHNICAL FIELD

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

[0002] Wire spring jack is a high-reliability jack assembly used in electric connector products. In the hole, a plurality of elastic gold-plated or silver-plated metal wires are arranged according to the straight generatrix of a single-leaf rotary hyperboloid, and form an included angle with the inner sleeve straight generatrix. When the pin is inserted into the wire spring hole, the wire spring wire is elastically deformed in the radial and axial directions, the pin is in contact with the plurality of independent wire spring wires in the wire spring hole at the same time, and a plurality of independent current paths are formed.

[0003] At present, the wire spring jack used in the connector industry has a smaller hole diameter than the diameter of the pin to ensure the close connection of the two and avoid poor contact, but the inner diameter of the wire spring is not a standard cylinder, and the guiding effect is limited. If the pin is not inserted in the correct position, the pin is easily bent and deformed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a wire spring jack, which aims to enable the pin to be quickly and stably inserted into the wire spring jack.

[0005] To achieve the above-mentioned purpose, the utility model provides a wire spring jack, which comprises a rear sleeve, a wire spring assembly and a bushing.

[0006] One end face of the rear sleeve is provided with a mounting groove, and a connecting groove is coaxially provided towards the mounting groove, and the diameter of the mounting groove is greater than that of the connecting groove;

[0007] The wire spring assembly comprises a base body and a wire spring, the base body is cylindrical, the wire spring is circumferentially wound on the base body along the axial direction of the base body, a plurality of bosses are protrudingly arranged on the outer wall of the base body, the height of the boss is greater than the diameter of the wire spring, one end of the base body is inserted into the mounting groove, and the boss abuts against the mounting groove; and

[0008] The inner wall of the bushing abuts against the boss, one end of the bushing is connected to the rear sleeve, the other end of the bushing is provided with a guide portion inwardly protruding, the diameter of the guide portion is greater than the inner diameter of the wire spring, and the guide portion and the bushing are wrapped around the wire spring assembly.

[0009] In an embodiment of the present application, the bushing further comprises a front sleeve assembly, the front sleeve assembly is arranged through the bushing, one end of the front sleeve assembly is connected to the guide portion, the other end of the front sleeve assembly is connected to the rear sleeve, the front sleeve assembly is wrapped around the wire spring assembly, and the boss abuts against the inner wall of the front sleeve assembly.

[0010] In an embodiment of the present application, the outer wall of the rear sleeve is provided with a connecting portion facing the sleeve, the sleeve abuts against the connecting portion and is wrapped around the outer wall of the mounting groove.

[0011] In an embodiment of the present application, the front sleeve assembly is provided with a guide end facing the end surface of the guide portion, and the aperture of the guide end gradually decreases along the direction away from the guide portion.

[0012] In an embodiment of the present application, the inner wall of the guide portion is provided with a guide groove away from one end of the rear sleeve, the aperture of the guide groove gradually increases along the direction away from the guide portion, and the outer wall of the guide groove is provided with a protection portion away from one end of the rear sleeve.

[0013] By adopting the above technical scheme, the present application has the following advantages:

[0014] 1. By providing the mounting groove and the connecting groove with different diameters at one end of the rear sleeve, a fixing structure is formed between the two grooves, which can facilitate the installation of the wire spring assembly and make the whole structure more firm.

[0015] 2. The outer wall of the base body is provided with at least two rings of bosses, the bosses can facilitate the fixing of the wire spring assembly to the rear sleeve and the sleeve, and the height of the bosses is slightly greater than the diameter of the wire spring, which can protect the wire spring and avoid the abrasion of the wire spring caused by the collision between the wire spring and the inner wall of the mounting groove.

[0016] 3. The sleeve and the rear sleeve each wrap a part of the wire spring assembly, which can facilitate the installation and removal of the wire spring assembly, the two sets of bosses correspond to the sleeve and the rear sleeve respectively, and the direction of the boss surface facing the corresponding sleeve can be provided with a slope, so that the wire spring assembly can be more conveniently disassembled and assembled.

[0017] 4. The guide portion narrows the open portion of the sleeve, which can avoid the falling of the wire spring assembly, and the guide portion encloses a smooth cylindrical guide space, which can effectively limit the moving direction of the male needle and avoid the damage of the structure of the insertion hole and the male needle caused by the skew insertion. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to the structures shown in these drawings without creating any creative labor.

[0019] Figure 1 Fig. 1 is a structural schematic view of the wire spring insertion hole of the present application;

[0020] Figure 2It is the internal structure schematic view of the wire spring jack of the utility model.

[0021] Figure 3 It is the sectional view of the wire spring jack of the utility model.

[0022] Figure 4 It is Figure 3 It is the local enlarged view of A in the middle.

[0023] Explanation of reference numerals:

[0024] 1, rear sleeve; 11, connecting groove; 12, mounting groove; 13, connecting part; 2, wire spring assembly; 21, boss; 3, bushing; 31, guide part; 32, guide groove; 33, protection part; 4, front sleeve assembly; 41, guide end.

[0025] The purpose, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below in combination with 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.

[0027] Reference Figures 1 to 4 In order to achieve the above purpose, the utility model provides a kind of wire spring jack, including rear sleeve 1, wire spring assembly 2 and bushing 3, rear sleeve 1 one end face is provided with mounting groove 12, and coaxially towards mounting groove 12 is provided with connecting groove 11, the diameter of mounting groove 12 is greater than the diameter of connecting groove 11;Wire spring assembly 2 includes base body and wire spring, base body is cylindrical, wire spring is circumferentially wound along the axial direction of base body, the outer wall of base body is protrudingly provided with several bosses 21, the height of boss 21 is greater than the diameter of wire spring, one end of base body is inserted in mounting groove 12, and boss 21 is abutted to mounting groove 12;The inner wall of bushing 3 is abutted to boss 21, one end of bushing 3 is connected to rear sleeve 1, and the other end is protrudingly provided with guide part 31 towards inside, the diameter of guide part 31 is greater than the inner diameter of wire spring, and guide part 31 and bushing 3 are covered in wire spring assembly 2.

[0028] By being provided with mounting groove 12 and connecting groove 11 of different diameters in one end of rear sleeve 1, fixed structure is formed between the two grooves, so that the installation of wire spring assembly 2 can be facilitated, and the entire structure can be more firm.

[0029] The outer wall of base body is provided with at least two circles of bosses 21, which can facilitate the fixation of wire spring assembly 2 to rear sleeve 1 and bushing 3, and the height of boss 21 is slightly greater than the diameter of wire spring, so as to protect the wire spring and avoid the abrasion of wire spring caused by the collision between wire spring and the inner wall of mounting groove 12.

[0030] The bushing 3 and the rear sleeve 1 are respectively sleeved with a part of the wire spring assembly 2, so that the wire spring assembly 2 can be conveniently installed / dismounted, the two groups of bosses 21 correspond to the bushing 3 and the rear sleeve 1 respectively, and the direction of the boss 21 facing the corresponding sleeve can be provided with a slope, so that the wire spring assembly 2 can be more conveniently dismounted.

[0031] The guide part 31 narrows the open part of the bushing 3, so that the wire spring assembly 2 can be prevented from falling off, and the guide part 31 is surrounded to form a smooth cylindrical guide space, so that the moving direction of the male needle can be effectively limited, and damage of the structure of the insertion hole and the insertion needle itself caused by insertion skew can be avoided.

[0032] In combination with reference to Figure 3 In an embodiment of the present application, the bushing 3 further comprises a front sleeve assembly 4, the front sleeve assembly 4 is sleeved on the bushing 3, one end of the front sleeve assembly 4 is connected to the guide part 31, and the other end of the front sleeve assembly 4 is connected to the rear sleeve 1, the front sleeve assembly 4 is sleeved on the wire spring assembly 2, and the boss 21 abuts against the inner wall of the front sleeve assembly 4.

[0033] The front sleeve assembly 4 is first sleeved on the wire spring assembly 2, and the boss 21 abuts against the inner wall of the front sleeve assembly 4, so that the stability of the connection can be guaranteed, the bushing 3 can be prevented from being worn, and the front sleeve assembly 4 is convenient to replace, after the front sleeve assembly 4 is sleeved, the bushing 3 is sleeved on the front sleeve assembly 4, so that the stability of the connection can be guaranteed, and the whole structure is convenient to maintain.

[0034] In combination with reference to Figures 1 to 3 In an embodiment of the present application, the outer wall of the rear sleeve 1 is provided with a connecting part 13 facing the bushing 3, the bushing 3 abuts against the connecting part 13 and is sleeved on the outer wall of the mounting groove 12.

[0035] The connecting part 13 can make the bushing 3 press the outer wall of the mounting groove 12 and the front sleeve assembly 4 at the same time, so that the stability of the connection of the wire spring assembly 2 can be guaranteed, and the whole structure is more stable.

[0036] In combination with reference to Figure 4 In an embodiment of the present application, the end face of the front sleeve assembly 4 facing the guide part 31 is provided with a guide end 41, and the hole diameter of the guide end 41 gradually decreases along the direction away from the guide part 31.

[0037] The guide end 41 is a buffer structure, and the hole diameter thereof gradually decreases, so that the front sleeve assembly 4 can more easily install the wire spring assembly 2, and the damage of the wire spring assembly 2 itself can be reduced.

[0038] In combination with reference to Figures 1 to 3 In an embodiment of the present application, the inner wall of the guide part 31 away from one end of the rear sleeve 1 is provided with a guide groove 32, the hole diameter of the guide groove 32 gradually increases along the direction away from the guide part 31, and the outer wall of the guide groove 32 away from one end of the rear sleeve 1 is provided with a protection part 33.

[0039] The hole diameter of the guide groove 32 is gradually reduced, so as to guide the insertion of the pin into the jack. The pin can be inserted more easily, and the guide is performed through a slope, so as to avoid damage caused by the insertion of the pin. The protection part 33 and the guide groove 32 are located at the same end, and the protection part 33 is arranged on the outer wall, so that the end of the wire spring jack becomes smoother, damage caused by structural collision can be avoided, and the strength of the entire wire spring jack structure can be improved.

[0040] In the drawings of the embodiments, 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 if the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they 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.

[0041] The above is only a preferred embodiment of the present application, and is not intended to 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 wire spring jack, characterized in that: include: A rear sleeve, wherein one end surface of the rear sleeve is provided with a mounting groove, and a connecting groove is coaxially provided toward the mounting groove, wherein the diameter of the mounting groove is larger than the diameter of the connecting groove; A wire spring assembly comprising a base body and a wire spring, wherein the base body is cylindrical, the wire spring is circumferentially wound around the base body along its axis, a plurality of bosses protruding from an outer wall of the base body, the height of the bosses being greater than the diameter of the wire spring, one end of the base body being inserted into the mounting slot, and the bosses abutting the mounting slot; and A bushing, wherein the inner wall of the bushing abuts against the boss, one end of the bushing is connected to the rear sleeve, and the other end is provided with a guide portion protruding inward, the diameter of the guide portion is larger than the inner diameter of the wire spring, and the guide portion and the bushing are covered on the wire spring assembly.

2. The wire spring jack according to claim 1, characterized in that: The bushing also includes a front sleeve component, which is inserted into the bushing and connected to the guide portion at one end and the rear sleeve at the other end. The front sleeve component is wrapped around the wire spring component, and the boss abuts against the inner wall of the front sleeve component.

3. The wire spring jack according to claim 2, characterized in that: The outer wall of the rear sleeve is provided with a connecting portion facing the bushing, and the bushing is in contact with the connecting portion and wrapped around the outer wall of the installation groove.

4. The wire spring jack according to claim 2, characterized in that: The front sleeve assembly is provided with a guide end on an end surface facing the guide portion, and the aperture of the guide end gradually decreases in a direction away from the guide portion.

5. The wire spring jack according to claim 1, characterized in that: A guide groove is formed on an inner wall of the guide portion at one end away from the rear sleeve, and a diameter of the guide groove gradually increases in a direction away from the guide portion. A protective portion is formed on an outer wall of the guide groove at one end away from the rear sleeve.

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