Chip-type contact jack structure

Abstract

The utility model relates to the technical field of electric connectors, in particular to a sheet-type contact jack structure, which solves the problems of small number of contacts and poor current-carrying capability of a contact spring in the prior art, and comprises a conductive main body, a contact part of the conductive main body is provided with a reed, the reed comprises first spring strips and second spring strips which are alternately arranged, and the first spring strips and the second spring strips are arranged on the conductive main body. The first reed is attached to the side edge of the second reed strip, the first reed strip and the second reed strip are arranged in an up-down staggered mode, and contacts are arranged on the first reed strip and the second reed strip respectively. The beneficial effects of the utility model are that there is no gap between the first spring strip and the second spring strip, so that the number of the spring strips on the reed can be effectively increased under the condition that the size of the reed is not changed, the number of contacts is further increased, and the current-carrying capability of the reed is improved; or the size of the reed can be reduced under the condition that the current-carrying capacity is consistent, so that the size of the jack structure can be reduced, and the size is smaller.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially point to a piece contact plug -in structure. BACKGROUND

[0002] In the automobile and industrial connector industry, the contact piece is the core functional component, and the contact piece can realize the basic functions and requirements of the connector such as current carrying, reliability, durability, etc. The piece contact currently applied is large in size, complex in structure, small in contact area, few in the number of contacts, and general in current carrying capacity, thereby leading to the increase of the size of the connector.

[0003] The patent with the publication number CN112072358A in the prior art discloses a multiple contact large-current elastic terminal and a connector, the elastic terminal includes a terminal main body and a contact spring piece, the terminal main body is provided with a U-shaped flat accommodating groove, the contact spring piece is a U-shaped spring piece with a plug-in groove, the contact spring piece is inserted into the accommodating groove and fixedly connected with the terminal main body, the contact spring piece is provided with a plurality of elastic strips arched towards the plug-in groove, the plug-in piece is inserted into the plug-in groove of the contact spring piece, and the elastic strips are in elastic contact with the plug-in piece.

[0004] The contact spring piece in the above-mentioned elastic terminal is in a sheet shape, so that the overall structure of the elastic terminal is small in size, but there is still a gap between the adjacent elastic strips, which leads to the waste of the contact spring piece in the width direction, so that the number of contacts is small, and in addition, the gap is small, so that the processing difficulty is large when the contact spring piece is manufactured. UTILITY MODEL CONTENTS

[0005] The utility model provides a piece contact plug-in structure, solve the problem that the prior art contact spring piece is few in the number of contacts and poor in current carrying capacity.

[0006] The technical scheme of the utility model is as follows:

[0007] A piece contact plug-in structure, including the conductive main body, the contact part of the conductive main body is provided with a reed, the reed includes alternately arranged first spring bar and second spring bar, the side of the first reed and the second spring bar is pasted, the first spring bar and the second spring bar are arranged in up and down staggered mode, and the first spring bar and the second spring bar are respectively provided with contacts. There is no interval between the first spring bar and the second spring bar, which can effectively increase the number of spring bars on the reed under the condition that the size of the reed is unchanged, thereby increasing the number of contacts and improving the current carrying capacity of the reed, or the size of the reed can be reduced under the condition that the current carrying capacity is consistent, thereby being conducive to reducing the size of the plug-in structure and being smaller in size, and in addition, the first spring bar and the second spring bar are manufactured by using the tearing forming processing mode, so that less waste is generated during the manufacture of the reed.

[0008] The first spring strip is provided with at least one first contact point, and the second spring strip is provided with at least one second contact point, the first contact point and the second contact point have the same height. The first contact point and the second contact point can be provided with multiple, so as to reduce the contact resistance between the spring and the pin.

[0009] The first contact point and the second contact point are arranged in front of and behind each other. When the pin is inserted into the socket structure, the contact between the pin and the contact point has a sequence, so as to reduce the plug-in force of the pin.

[0010] The contact part of the conductive body comprises upper and lower plates arranged in parallel, and the spring is arranged on the inner side of the upper plate and / or the lower plate. The spring is arranged on one side or on opposite sides of the inner side of the contact part of the conductive body, which is suitable for different use conditions.

[0011] The front part of the spring is fixedly connected with the front part of the contact part, and the rear part of the spring is in sliding fit with the contact part. When the pin is inserted into the socket structure, the rear part of the spring will slide relative to the contact part, so as to reduce the insertion force of the pin, and at the same time, the contact area between the spring and the conductive body can be increased, and the contact resistance can be reduced.

[0012] The front end of the contact part is provided with a guide structure, and the rear end of the contact part is provided with a pin positioning table. The guide structure plays a guiding role on the pin, so as to facilitate the quick plugging of the pin and the socket structure. After the pin is plugged into the socket structure, the pin positioning table positions the head of the pin, so as to avoid the deflection of the pin, and then ensure the contact stability of the pin and the spring.

[0013] The middle part of the contact part is provided with a support structure, and the support structure is located below the first contact point and the second contact point. The support structure can provide over-deformation support for the first contact point and the second contact point, so as to avoid the failure of the first spring strip and the second spring strip due to excessive deformation, and ensure the structural stability of the spring in the conductive body.

[0014] The contact part of the conductive body is clamped with a protective shell; the protective shell is provided with a connecting spring, and the protective shell is provided with a vertical plate located on both sides of the connecting spring. The protective shell can strengthen and protect the structure of the conductive body; the connecting spring makes the socket structure fixed and prevented from retreating after being installed into the connector shell; the vertical plate controls the deformation range of the connecting spring to prevent over-deformation of the connecting spring.

[0015] The side edge of the contact part is provided with a side edge positioning groove, the side edge of the protective shell is provided with a positioning spring, the side edge positioning groove and the positioning spring are clamped and matched; the contact part is provided with a positioning hole, and the protective shell is provided with a positioning protrusion matched with the side edge of the positioning hole. The installation stability of the protective shell on the conductive body is ensured.

[0016] The protective shell is provided with a support sheet, and the two side edges of the support sheet are matched with the upper plate and the lower plate respectively. The support sheet provides support for the upper plate and the lower plate, so as to avoid the inward deformation of the upper plate and the lower plate.

[0017] The utility model discloses the beneficial effect is: the first spring strip and second spring strip between no spacing can make in the spring leaf size invariable condition effectively increase the spring strip quantity on spring leaf, and then increase the number of contact, improve the current -carrying capacity of spring leaf, or can reduce the size of spring leaf under the condition of the same current -carrying capacity, and then be favorable to reduce the jack structure size, and the volume is smaller, in addition, the spring leaf adopts the processing mode of tear forming to make the first spring strip and second spring strip, and the waste material is less when spring leaf is manufactured, can make full use of the space of contact piece.

[0018] The spring leaf adopts the installation mode of front end fixed and rear end movable when installing in the conductive main body, and when the pin is inserted into the jack structure, the rear part of spring leaf will slide relative to the contact part of conductive main body, reduce the insertion force of pin, can increase the contact area of spring leaf and conductive main body simultaneously, and reduce the contact resistance.

[0019] The support structure is arranged on the contact part of conductive main body, and the support structure provides over-deformation support for the first contact and second contact, avoids the failure of first spring strip and second spring strip due to excessive deformation, and guarantees the structural stability of spring leaf in the conductive main body. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0021] Figure 1 It is the structure schematic diagram of a piece formula contact piece jack structure of the utility model,

[0022] Figure 2 It is the structure schematic diagram of conductive main body,

[0023] Figure 3 It is the structure schematic diagram of spring leaf,

[0024] Figure 4 It is the structure schematic diagram of protective shell,

[0025] Figure 5 It is the schematic diagram of spring leaf installation in conductive main body.

[0026] In the figure: 1, conductive main body, 2, spring leaf, 3, protective shell, 11, guide structure, 12, spring leaf connecting column, 13, support structure, 14, pin positioning table, 15, side positioning groove, 16, positioning hole, 21, connecting hole, 22, first spring bar, 221, first contact, 23, second spring bar, 231, second contact, 31, positioning elastic sheet, 32, positioning protrusion, 33, connecting elastic sheet, 34, support sheet. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] As shown in Embodiment 1, Figure 1 , Figure 3 , Figure 5 A blade contact plug structure, as shown in the figure, includes a conductive main body 1, and the contact part of the conductive main body 1 is provided with a spring leaf 2. The spring leaf 2 includes first spring bars 22 and second spring bars 23 arranged alternately. The side edges of the first spring bars 22 and the second spring bars 23 are attached. The first spring bars 22 and the second spring bars 23 are arranged in a staggered manner. The first spring bars 22 and the second spring bars 23 are respectively provided with contacts. There is no spacing between the first spring bars 22 and the second spring bars 23, which can effectively increase the number of spring bars on the spring leaf 2 without changing the size, thereby increasing the number of contacts and improving the current-carrying capacity of the spring leaf 2. Alternatively, in the case of consistent current-carrying capacity, the size of the spring leaf 2 can be reduced, thereby facilitating the reduction of the size of the plug structure and making it smaller. In the embodiment, the spring leaf 2 is made of first spring bars 22 and second spring bars 23 by tearing and forming. The amount of waste generated during spring manufacturing is small, and the space of the contact can be fully utilized.

[0029] Further, the first spring bars 22 are provided with at least one first contact 221, and the second spring bars 23 are provided with at least one second contact 231. The heights of the first contacts 221 and the second contacts 231 are equal. In the embodiment, the first spring bars 22 are provided with two first contacts 221, and the second spring bars 23 are provided with two second contacts 231. The number of contacts is increased, and the contact resistance between the spring leaf 2 and the pin is reduced. In addition, the heights of the first contacts 221 and the second contacts 231 are equal to ensure that each contact is in contact with the pin at the same time.

[0030] Further, the first contact 221 and the second contact 231 are arranged in staggered positions. In this embodiment, when the pin is inserted into the socket structure, the first contact 221 is first contacted by the pin, and then the pin is simultaneously contacted by the first contact 221 and the second contact 231. The contact between the pin and the contacts has a sequence, which reduces the plugging force of the pin.

[0031] In this embodiment, the contact portion of the conductive main body 1 includes an upper plate and a lower plate arranged in parallel, and the spring piece 2 is arranged on the inner side of the upper plate and / or the lower plate. The spring piece 2 is arranged on one side of the inner side of the contact portion of the conductive main body 1 or on opposite sides of the inner side of the contact portion of the conductive main body. In this embodiment, the spring piece 2 is arranged on both the upper plate and the lower plate. After the pin is inserted into the socket structure, the upper and lower sides of the pin are contacted by the spring piece 2.

[0032] Further, the front part of the spring piece 2 is fixedly connected with the front part of the contact portion, and the rear part of the spring piece 2 is slidingly matched with the contact portion. Specifically, the front part of the upper plate and the lower plate is provided with a spring piece connecting column 12, and the spring piece 2 is provided with a connecting hole 21. The spring piece connecting column 12 is matched with the connecting hole 21, and the rear part of the spring piece 2 is slidingly matched with the upper plate or the lower plate. After the pin is inserted into the socket structure, the front part of the spring piece 2 remains fixed due to the matching of the spring piece connecting column 12 and the connecting hole 21, while the rear part of the spring piece 2 slides relative to the upper plate or the lower plate. At the same time, the contacts on the spring piece 2 move closer to the upper plate or the lower plate. At this time, the contact spacing of the spring piece 2 on the upper plate and the lower plate is increased, which can effectively reduce the insertion force of the pin and increase the contact area between the spring piece 2 and the conductive main body, thereby reducing the contact resistance.

[0033] Further, as shown in Figure 2 the front end of the contact portion is provided with a guide structure 11, and the rear end of the contact portion is provided with a pin positioning table 14. The guide structure 11 guides the pin, facilitating the quick plugging of the pin and the socket structure. After the pin is plugged into the socket structure, the pin positioning table 14 positions the head of the pin, avoiding the deflection of the pin, thereby ensuring the contact stability between the pin and the spring piece 2.

[0034] Further, the middle part of the contact portion is provided with a support structure 13, which is located below the first contact 221 and the second contact 231. The support structure 13 can provide over-deformation support for the first contact 221 and the second contact 231, avoiding the failure of the first spring strip 22 and the second spring strip 23 due to over-deformation, and ensuring the structural stability of the spring piece 2 in the conductive main body 1.

[0035] Further, the rear end of the upper plate is integrally connected with three terminal pieces, the rear end of the lower plate is integrally connected with two terminal pieces, the terminal pieces at the two sides of the upper plate are attached to the two terminal pieces of the lower plate by bending, and the terminal piece at the middle of the upper plate is connected to the two terminal pieces of the lower plate by a dovetail groove, the terminal pieces of the upper plate and the terminal pieces of the lower plate jointly form a terminal part of the conductive main body 1, the conduction path of the current is shortened, and the overall resistance is reduced.

[0036] In the embodiment 2, on the basis of the embodiment 2, a piece contact plug structure is provided, as shown in Figure 4 As shown, the contact part of the conductive main body 1 is clamped with a protective shell 3; the protective shell 3 is provided with a connecting spring 33, and the protective shell 3 is provided with a vertical plate located on the two sides of the connecting spring 33. The protective shell 3 can strengthen and protect the structure of the conductive main body 1; the connecting spring 33 can keep the plug structure fixed and prevent the plug structure from being retracted after being installed in the connector shell; and the vertical plate can control the deformation range of the connecting spring 33 to prevent the connecting spring from being deformed too much.

[0037] Further, the side edge of the contact part is provided with a side edge positioning groove 15, the side edge of the protective shell 3 is provided with a positioning spring 31, the side edge positioning groove 15 is clamped and matched with the positioning spring 31, the contact part is provided with a positioning hole 16, and the protective shell 3 is provided with a positioning protrusion 32 matched with the side edge of the positioning hole 16. Specifically, the left and right sides of the upper plate and the lower plate are provided with the side edge positioning groove 15, the left and right sides of the protective shell 3 are respectively provided with two positioning springs 31, and the cooperation of the side edge positioning groove 15 and the positioning spring 31 and the cooperation of the positioning protrusion 32 and the positioning hole 16 can ensure that the conductive main body 1 remains stable after being installed in the protective shell 3.

[0038] Further, the protective shell 3 is provided with a supporting piece 34, and the two side edges of the supporting piece 34 are matched with the upper plate and the lower plate. Specifically, the supporting piece 34 is a step structure formed by bending the side wall of the protective shell 3 inward, or the side wall of the protective shell 3 is bent inward by 180° and attached to the inner wall of the protective shell 3, and both the two bending modes of the side wall of the protective shell 3 can make the supporting piece 34 enter between the upper plate and the lower plate, so that the supporting piece 34 can provide support for the upper plate and the lower plate, and prevent the upper plate and the lower plate from being deformed inward.

[0039] The above only describes preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A blade contact jack structure comprising a conductive main body (1), a contact portion of the conductive main body (1) being provided with a spring blade (2), characterized in that, The reed (2) comprises first reed strips (22) and second reed strips (23) arranged alternately, the side edges of the first reed strips (22) and the second reed strips (23) are attached, the first reed strips (22) and the second reed strips (23) are arranged in staggered manner, and the first reed strips (22) and the second reed strips (23) are respectively provided with contacts.

2. The chip contact jack structure of claim 1, wherein, The first reed strips (22) are provided with at least one first contact (221), the second reed strips (23) are provided with at least one second contact (231), and the first contact (221) and the second contact (231) have equal height.

3. The chip contact jack structure of claim 2, wherein, The first contact (221) and the second contact (231) are arranged in staggered manner.

4. The chip contact receptacle structure according to any one of claims 1 to 3, characterized in that The contact part of the conductive main body (1) comprises upper plates and lower plates arranged in parallel, and the reed (2) is arranged on the inner side of the upper plates and / or the lower plates.

5. The chip contact jack structure of claim 4, wherein, The front part of the reed (2) is fixedly connected with the front part of the contact part, and the rear part of the reed (2) is in sliding fit with the contact part.

6. The chip contact jack structure of claim 5, wherein, The front end of the contact part is provided with a guide structure (11), and the rear end of the contact part is provided with a pin positioning table (14).

7. The chip contact jack structure of claim 6, wherein, The middle part of the contact part is provided with a support structure (13), and the support structure (13) is located below the first contact (221) and the second contact (231).

8. The chip contact receptacle structure according to any one of claims 1 to 3, 5 to 7, wherein The contact part of the conductive main body (1) is clamped with a protective shell (3), the protective shell (3) is provided with connecting springs (33), the protective shell (3) is provided with vertical plates located on both sides of the connecting springs (33).

9. The chip contact jack structure of claim 8, wherein, The side edges of the contact part are provided with side edge positioning grooves (15), the side edges of the protective shell (3) are provided with positioning springs (31), the side edge positioning grooves (15) are clamped and matched with the positioning springs (31), the contact part is provided with positioning holes (16), the protective shell (3) is provided with positioning protrusions (32), and the positioning protrusions (32) are matched with the side edges of the positioning holes (16).

10. The chip contact jack structure of claim 9, wherein, The protective shell (3) is provided with support plates (34), and the two side edges of the support plates (34) are matched with the upper plates and the lower plates respectively.

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