CN211507973U

CN211507973U - Connector with clamping point mechanism for keeping terminal position

Info

Publication number: CN211507973U
Application number: CN202020497917.8U
Authority: CN
Inventors: 王建峰; 张志勇
Original assignee: Suzhou Yuanye Automobile Technology Co ltd
Current assignee: Suzhou Yuanye Automobile Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-09-15
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a connector with stuck point mechanism keeps terminal position, include insulator, install the conductive terminal on insulator, insulator includes the main part, the main part includes the chamber of acceping that is used for grafting butting connector's butt joint portion and is located the butt joint portion rear end, conductive terminal is including extending to contact site in the butt joint portion, the contact site extends backward has the afterbody, the afterbody accept in accept the chamber, it still is equipped with the horizontal part to accept the intracavity, the horizontal part is equipped with the terminal hole that supplies the afterbody to pass, terminal hole both sides are equipped with hook-shaped arm lock, the afterbody is equipped with horizontal extension's the portion of holding and is located the portion of holding of the below of holding, hook-shaped arm lock centre gripping is between the portion of holding and the portion of afterbody, just hook-shaped arm lock with the portion of holding is held to the hook-. So, the design of bottom card point can keep the position of terminal afterbody, avoids the not enough height PIN problem that causes of terminal intensity.

Description

Connector with clamping point mechanism for keeping terminal position

Technical Field

The utility model relates to a signal transmission field especially relates to a be used for transmitting signal have stuck point mechanism and keep connector of terminal position.

Background

Currently, a connector in the market generally includes an insulative housing, a conductive terminal mounted on the insulative housing, and a fixing portion for fixing the tail portion of the conductive terminal on the insulative housing. The fixing position is provided with a plurality of terminal holes which are arranged at intervals, and when the tail parts of the conductive terminals are inserted into the terminal holes, the terminals of the conductive terminals in the front, back, left and right directions can be positioned at intervals.

However, when the strength of the conductive terminals is general, the terminal tails may not be positioned in a uniform manner in the vertical direction, which may reduce the mounting accuracy of the conductive terminal tails, and when the connector is required to transmit a high-power current or a high-speed signal, the connector lacking the mounting accuracy may greatly affect the transmission quality.

Accordingly, there is a need for an improved connector that overcomes the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve connector that has stuck point mechanism and keep terminal position of terminal installation accuracy.

The utility model aims at realizing through the following technical scheme: the utility model provides a connector with stuck point mechanism keeps terminal position, includes insulator, installs the conductive terminal on insulator, insulator includes the main part, the main part includes the butt joint portion that is used for pegging graft butt joint connector and is located the chamber of acceping of butt joint portion rear end, conductive terminal is including extending to contact site in the butt joint portion, contact site extends backward has the afterbody, the afterbody accept in accept the chamber, it still is equipped with the horizontal part to accept the intracavity, the horizontal part is equipped with the terminal hole that supplies the afterbody to pass, terminal hole both sides are equipped with hook-shaped arm lock, the afterbody is equipped with the portion of holding that blocks of horizontal extension and is located the portion of holding below, hook-shaped arm lock centre gripping is between the portion of holding and the portion of holding of afterbody, just hook-shaped arm lock with the portion of holding is held.

As a further improvement, the accommodating cavity is provided with a bottom cover, the horizontal part is located on the bottom cover, the bottom cover is further provided with a vertical part located at the rear end of the butt joint part, the vertical part is provided with a terminal groove for the conductive terminals to pass through, the vertical part is provided with a partition board located at the left and right sides of the terminal groove, and the partition board is used for separating the conductive terminals at the left and right sides.

As a further improvement of the present invention, the contact portion of the conductive terminal is a hollow column, and one side of the contact portion is provided with a holding elastic piece extending from the front to the back in an inclined manner, so as to allow the contact portion to be buckled with the insulating body when being inserted into the butt joint portion from the front to the back.

As a further improvement of the present invention, the contact portion inwardly extends to have a front contact and a rear contact, the front contact is curved from the front to the rear and extends, and the rear contact is curved from the rear to the front and extends.

As a further improvement of the utility model, the opposite side of the rear contact is provided with a convex hull protruding inwards.

As a further improvement of the present invention, the rear contact includes a first rear contact and a second rear contact which are attached to each other from top to bottom.

As a further improvement, the main part side is equipped with the side tip, it has the second grade lock to peg graft around on the side tip, the grafting chamber that extends around the side tip is equipped with, the grafting chamber outside is equipped with the cantilever, the cantilever is equipped with the protruding portion that is used for detaining external equipment of outside further projecting, the second grade lock includes the basal portion, the basal portion outside is equipped with and is used for the top to hold the cantilever makes the protruding portion outside projecting convex part.

As a further improvement of the present invention, the second-level lock includes a base portion, an elastic arm portion, and a protrusion extending from both sides of the cantilever.

As a further improvement of the present invention, the side end portion is provided with an ear portion for blocking the outside of the base portion.

As a further improvement of the present invention, the conductive terminal includes a first terminal and a second terminal arranged in two rows in front and back, and the periphery of the butt joint portion is provided with a guide groove extending in front and back of the recess.

Compared with the prior art, conductive terminal is including extending to contact site in the butt joint portion, contact site backward extension has the afterbody, the afterbody accept in accept the chamber, it still is equipped with the horizontal part to accept the intracavity, the horizontal part is equipped with the terminal hole that supplies the afterbody to pass, terminal hole both sides are equipped with hook-like arm lock, the afterbody is equipped with the block portion of horizontal extension and is located the portion of holding with a hook of block portion below, hook-like arm lock centre gripping is held between the block portion and the portion of holding with a hook of afterbody, just hook-like arm lock with hold with a hook and hold, so set up. The hook-shaped clamping arms and the tail parts are mutually buckled, namely the tail parts of the bottom cover and the conductive terminals are designed as clamping points, the clamping points of the bottom cover enter a groove formed between a blocking part and a hooking part of the tail parts of the terminals, the position of the tail parts of the terminals can be kept, the problem of high and low PIN caused by insufficient strength of the terminals is avoided, and the mounting precision of the conductive terminals is improved.

Drawings

Fig. 1 is a perspective assembly view of a connector with a click mechanism to maintain the position of a terminal according to the present invention.

Fig. 2 is a perspective assembly view of fig. 1 from another angle.

Fig. 3 is a perspective assembly view of the connector with a locking mechanism to maintain the position of the terminal when the rear cover is separated.

Fig. 4 is a perspective assembly view of the conductive terminal and the bottom cover of the present invention.

Fig. 5 is an exploded perspective view of the conductive terminals and the bottom cover of fig. 4.

Fig. 6 is an exploded view of the connector housing and the secondary lock with the locking mechanism to maintain the position of the terminal.

Fig. 7 is an exploded view of a connector secondary lock with a click mechanism to maintain terminal position in accordance with the present invention.

Fig. 8 is a schematic view of a connector back cover with a click mechanism to maintain terminal position.

Fig. 9 is a schematic view of a conductive terminal of a connector having a click mechanism to maintain the position of the terminal.

Fig. 10 is a cross-sectional view of a conductive terminal of a connector having a click mechanism to maintain the position of the terminal.

Reference numerals:

connector 100 insulation body 1

Body 11 butt joint part 111

Guide slot 114 of containing cavity 113

Side end 12 plug cavity 121

Cantilever 123 protrusion 1230

Ear 124 two-stage lock 4

Base 41 projection 410

Spring arm 43 of plug part 42

Bump 430 conductive terminal 2

Contact 205 tail 2051

The blocking portion 2052 hooks the portion 2053

First terminal 21 and second terminal 22

Front contact 201 and rear contact 202

First rear contact 2021 second rear contact 2022

Convex hull 204 holds shell fragment 203

Horizontal part 31 of bottom cover 3

Terminal hole 32 hook-shaped clamping arm 33

Vertical part 34 terminal groove 35

Partition 36 rear cover 5

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Fig. 1 to 10 are schematic structural views of a connector 100 with a click mechanism for maintaining a terminal position according to the present invention. A connector 100 with a clamping point mechanism for keeping a terminal position comprises an insulating body 1 and a conductive terminal 2 mounted on the insulating body 1, wherein the insulating body 1 comprises a main body part 11, the main body part 11 comprises a butting part 111 for plugging a butting connector (not shown) and a receiving cavity 113 positioned at the rear end of the butting part 111, the conductive terminal 2 comprises a contact part 205 extending into the butting part 111, a tail part 2051 extends backwards from the contact part 205, the tail part 2051 is received in the receiving cavity 113, a horizontal part 31 is further arranged in the receiving cavity 113, the horizontal part 31 is provided with a terminal hole 32 for the tail part 2051 to pass through, hook-shaped clamping arms 33 are arranged at two sides of the terminal hole 32, the tail part 2051 is provided with a blocking part 2052 extending transversely and a hooking part 2053 positioned below the blocking part 2052, and the hook-shaped clamping arms 33 are clamped between the blocking part 2052 and the hooking part 2053 of the tail part 2051, and the hook-shaped clamping arm 33 is hooked with the hooking part 2053. With such an arrangement, the hook-shaped clamping arm 33 and the tail part 2051 are buckled with each other, that is, the bottom cover 3 and the tail part 2051 of the conductive terminal 2 are designed to be clamped, and the clamping point of the bottom cover 3 enters the groove formed between the blocking part 2052 and the hooking part 2053 of the tail part 2051 of the terminal, so that the position of the tail part 2051 of the terminal can be maintained, the problem of high and low PINs (PIN) caused by insufficient strength of the terminal is avoided, and the mounting precision of the conductive terminal 2 is improved.

In this embodiment, the tail portion 2051 extends vertically, and in other embodiments of the present invention, the tail portion 2051 may also extend in other directions.

The accommodating cavity 113 is internally provided with a bottom cover 3, the horizontal part 31 is positioned on the bottom cover 3, the bottom cover 3 further comprises a vertical part 34 positioned at the rear end of the butt joint part 111, the vertical part 34 is provided with terminal grooves 35 which are arranged at intervals from left to right and are used for the conductive terminals 2 to pass through, the vertical part 34 is further provided with partition plates 36 positioned at the left side and the right side of the terminal grooves 35, and the partition plates 36 are used for separating the conductive terminals 2 at the left side and the right side. In this way, the partition plate 36 of the bottom cover 3 performs a secondary shift on the conductive terminals 2, so as to improve the holding force of the conductive terminals 2. In other embodiments of the present invention, the horizontal portion 31 may be integrally provided with the insulating body 1.

The contact portion 205 of the conductive terminal 2 is a hollow column, and has a square tube shape in the present embodiment, but may have another shape in other embodiments. One side of the contact portion 205 is provided with a holding spring piece 203 extending obliquely from front to back for the contact portion 205 to be buckled with the insulating body 1 when being inserted into the butting portion 111 from front to back. With this arrangement, after the contact portion 205 of the conductive terminal 2 is inserted into the mating portion 111 from the rear to the front, the holding spring 203 can be located in the groove (not shown) of the insulating housing 1 to hold.

The contact portion 205 has a front contact 201 and a rear contact 202 extending inward, the front contact 201 extends in a curved manner from the front to the rear, and the rear contact 202 extends in a curved manner from the rear to the front. With such an arrangement, when the pin terminals of the mating connector are inserted into the contact portions 205, the dual-contact design of the conductive terminals 2 can make the front contacts 201 have guiding and contacting functions for the pin terminals.

The opposite side of the rear contact 202 is provided with a convex hull 204 that projects inwardly 430. With such an arrangement, the convex hull 204 and the rear contact 202 clamp the pin terminals of the mating connector at two sides, so that the contact stability of the pin terminals of the mating connector can be effectively improved.

The rear contacts 202 include a first rear contact 2021 and a second rear contact 2022 which are attached to each other. One side wall surface of the contact part 205 is folded reversely in a double-layer shape, the thickness of the original single-layer material is weak, and elasticity is increased after the folding, so that the contact effect is ensured.

The side of the main body 11 is provided with a side end 12, the side end 12 is inserted with the secondary lock 4, the side end 12 is provided with an insertion cavity 121 extending forward and backward, a cantilever 123 is arranged outside the insertion cavity 121, the cantilever 123 is provided with a protrusion 1230 protruding outward for holding an external device, the secondary lock 4 comprises a base 41, and a protrusion 410 protruding outward for supporting the cantilever 123 and making the protrusion 1230 protrude outward is arranged outside the base 41. So configured, when the secondary lock 4 is inserted, the insulation body 1 can be held and positioned with an external device (not shown).

The secondary lock 4 comprises a plug part 42 extending from the base 41 into the plug cavity 121 and a spring arm part 43 located outside the plug part 42, wherein the spring arm part 43 is provided with protrusions 430 extending to two sides of the cantilever 123. So set up, secondary lock 4 also can realize the location between the external equipment after the grafting location.

The side end 12 is provided with an ear 124 for blocking the outside of the base 41. Therefore, the ear part 124 can be enclosed outside the secondary lock 4 to limit and position the secondary lock 4.

The conductive terminals 2 include a short first terminal 21 and a long second terminal 22 arranged in front and back two rows, and during the assembling process, the short first terminal 21 is placed into the insulating body 1, then the long second terminal 22 is placed into the insulating body, then the bottom cover 3 is installed, and finally the rear cover 5 is installed. The rear cover 5 is assembled to prevent the conductive terminals 2 from being deformed by touching or dust from entering.

The abutting portion 111 is provided at its periphery with a recessed front-rear extending guide groove 114. In this way, when the mating connector is mated, the guide groove 114 can realize the plugging guide with the mating connector.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a connector with stuck point mechanism keeps terminal position, includes insulator, installs the conductive terminal on insulator, its characterized in that: the insulating body comprises a main body part, the main body part comprises a butt joint part for splicing a butt joint connector and an accommodating cavity located at the rear end of the butt joint part, the conductive terminal comprises a contact part extending into the butt joint part, the contact part extends backwards to form a tail part, the tail part is accommodated in the accommodating cavity, a horizontal part is further arranged in the accommodating cavity, a terminal hole for the tail part to pass through is formed in the horizontal part, hook-shaped clamping arms are arranged on two sides of the terminal hole, a blocking part extending transversely and a hooking part located below the blocking part are arranged on the tail part, the hook-shaped clamping arms are clamped between the blocking part and the hooking part of the tail part, and the hook-shaped clamping arms are hooked with the hooking part.

2. The connector with a click mechanism for holding a terminal position according to claim 1, wherein: the accommodating cavity is internally provided with a bottom cover, the horizontal part is positioned on the bottom cover, the bottom cover further comprises a vertical part positioned at the rear end of the butt joint part, the vertical part is provided with terminal grooves which are arranged at left and right intervals and are used for the conductive terminals to pass through, the vertical part is further provided with partition plates positioned at the left side and the right side of the terminal grooves, and the partition plates are used for separating the conductive terminals at the left side and the right side.

3. The connector with a click mechanism for holding a terminal position according to claim 1, wherein: the contact part of the conductive terminal is in a hollow column shape, and one side of the contact part is provided with a holding elastic sheet which obliquely extends from front to back and is used for buckling with the insulating body when the contact part is inserted into the butt joint part from front to back.

4. The connector with a click mechanism to hold the terminal position according to claim 3, wherein: the contact part inwards extends to form a front contact and a rear contact, the front contact extends in a bent mode from front to back, and the rear contact extends in a bent mode from back to front.

5. The connector with a click mechanism to hold the terminal position according to claim 4, wherein: and the opposite sides of the rear contact are provided with convex hulls which are convex inwards.

6. The connector with a click mechanism to hold the terminal position according to claim 4, wherein: the rear contact comprises a first rear contact and a second rear contact which are attached up and down.

7. The connector with a click mechanism for holding a terminal position according to claim 1, wherein: the side of the main body part is provided with a side end part, the side end part is inserted with a secondary lock in a front-back insertion mode, the side end part is provided with an insertion cavity extending in the front-back direction, a cantilever is arranged on the outer side of the insertion cavity, the cantilever is provided with a protruding part protruding outwards and further protruding and used for buckling external equipment, the secondary lock comprises a base part, and a protruding part used for propping the cantilever to enable the protruding part to protrude outwards is arranged on the outer side of the base part.

8. The connector with a click mechanism to hold the terminal position according to claim 7, wherein: the secondary lock comprises a plug-in part and a spring arm part, wherein the plug-in part extends from the base part to the plug-in cavity, the spring arm part is positioned on the outer side of the plug-in part, and the spring arm part is provided with protrusions extending to two sides of the cantilever.

9. The connector with a click mechanism to hold the terminal position according to claim 7, wherein: the side end part is provided with an ear part for blocking the outside of the base part.

10. The connector with a click mechanism for holding a terminal position according to claim 1, wherein: the conductive terminal comprises a first terminal and a second terminal which are arranged in a front row and a back row, and a concave guide groove which extends forwards and backwards is arranged on the periphery of the butt joint part.