CN214957447U - Positioning rubber core - Google Patents

Abstract

The utility model discloses a core is glued in location, include the main part and locate the main part front end and the spacer that extends forward, the both sides of spacer all incline and are equipped with at least one orientation the elasticity buckle of main part, the left and right sides of main part all outwards extends and is equipped with the ear, the front side/rear side of main part is extended and is equipped with a locating part. The utility model discloses a set up the ear in the both sides of main part and be used for compressing tightly forward and fix connecting terminal, and set up location portion and connector housing cooperation on gluing the core, be convenient for it pack into the connector housing, have simple structure, with low costs, be convenient for equipment and characteristics of dismantling.

Description

Positioning rubber core

Technical Field

The utility model relates to a connector technical field especially relates to a location rubber core for in connector.

Background

The high-voltage high-current connector is an important circuit element applied to a Power Distribution Unit (PDU) of a passenger electric vehicle, and has an important influence on the circuit performance of the passenger electric vehicle.

The terminal among the current connector generally all is fixed the back repacking connector housing through the cyclic annular gluey core of integral type, leads to gluing the core easily because of the error of processing and is difficult to pack into the connector housing, the equipment of not being convenient for, and also inconvenient disassembly.

Generally, connecting terminals in the existing connector are fixed through an integrated annular rubber core and then are installed in a connector shell, a fixing structure is designed in the annular rubber core for fixing the connecting terminals, and clamping and fixing are carried out by utilizing clamping parts such as additional clamping rings and the like, the overall structure is complex, the rubber core is inconvenient to produce, assemble and fix the connecting terminals and disassemble, and when the connector and the installation space are small, the mode that the rubber core wraps the connecting terminals cannot be adopted; in addition, the rubber core and the connector shell are generally fixed only by clamping and buckling, and because the peripheral appearance structures are the same, the rubber core is generally in a blind-mate mode, and a positioning assembly structure does not exist between the rubber core and the connector shell.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical defect who has just provided a location rubber core, set up the ear through the both sides in the main part and be used for compressing tightly forward and fix connecting terminal, and set up location portion and connector housing cooperation on gluing the core, be convenient for it pack into the connector housing, have simple structure, with low costs, be convenient for assemble and the characteristics of dismantling.

In order to solve the technical problem, the utility model provides a core is glued in location, include the main part and locate the main part front end and the spacer that extends forward, the both sides of spacer all incline and are equipped with at least one orientation the elasticity buckle of main part, the left and right sides of main part all outwards extends and is equipped with the ear, the front side/the rear side of main part extend and are equipped with a positioning portion.

Furthermore, the middle of the two sides of the positioning piece is provided with a guide groove which extends along the length of the positioning piece.

Furthermore, both sides of the guide groove are provided with one elastic buckle.

Furthermore, the front end face of the positioning sheet is provided with at least one raised positioning column.

Furthermore, two raised positioning columns are arranged on the end face of the front end of the positioning sheet at intervals.

Furthermore, the positioning column is a circular table with a small front end and a large rear end.

Furthermore, the positioning part is provided with at least one positioning hole in a front-back penetrating manner.

Furthermore, the positioning portion is provided with two positioning holes which penetrate through the positioning portion from front to back, the positioning portion is provided with a through hole which penetrates through the positioning portion from front to back, and the through hole is located between the two positioning holes.

Furthermore, the positioning piece comprises a connecting part positioned at the front end of the main body, a guide part arranged in the middle of the front end of the connecting part and extending forwards, and two flat plates extending to the front end of the connecting part and positioned in the middle of two sides of the guide part, the thickness of each flat plate is smaller than that of the connecting part and the guide part, and the guide groove extends forwards and backwards along the surface of the guide part and extends to the surface of the connecting part; the positioning column is arranged at the front end of the guide part; the front end of the elastic buckle is arranged on the surface of the front end of the flat plate, the rear end of the elastic buckle faces the connecting portion and extends upwards in an inclined mode, and the highest point of the rear end of the elastic buckle is higher than the surface of the connecting portion.

Furthermore, the positioning rubber core is integrally formed by plastic.

The utility model discloses following beneficial effect has:

the utility model provides a location rubber core can realize the block with the connector housing through the spacer of front end at first and be connected, and set up the ear in the both sides of main part, two ears can be utilized like this to compress tightly forward and fix two connecting terminals in the connector housing, realize the fixed design of splitting of connecting terminal and rubber core, and reduced the demand to the inside installation space of connector housing, each parts equipment of the little connector of being convenient for, still set up location portion and connector housing cooperation on rubber core, realize the location equipment of this location rubber core, it packs into in the connector housing to be convenient for, reduce because of the same equipment difficulty problem that leads to because of manufacturing error of both sides structure when blind inserting, have simple structure, with low costs, the characteristics of being convenient for equipment and dismantlement; in addition, a guide groove is arranged on the positioning sheet, and the positioning sheet is inserted into the connector shell for guiding installation and primary positioning; still through set up the locating hole on location portion and set up the reference column on the locating piece, realize three point location's purpose with the guide way cooperation, avoid the problem that the core appears deflecting and removing after the equipment is glued in the location.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

FIG. 1 is a schematic view of a positioning core in examples 1 and 2;

FIG. 2 is a schematic view of another perspective of the positioning cores of examples 1 and 2;

FIG. 3 is a schematic view of a connection terminal in embodiment 2;

fig. 4 is a front view of a connection terminal in embodiment 2;

FIG. 5 is a schematic view of a receptacle connector according to embodiment 2;

fig. 6 is a longitudinal sectional view of the receptacle connector of embodiment 2;

FIG. 7 is a cross-sectional view of the socket connector at the resilient snap in embodiment 2;

fig. 8 is a transverse sectional view of the receptacle connector at the connection terminal in embodiment 2;

fig. 9 is a sectional view of the receptacle connector at the connection portion in embodiment 2;

fig. 10 is a schematic view of a socket housing in embodiment 2.

Detailed Description

In order to fully understand the technical contents of the present invention, the present invention will be further described and explained with reference to the accompanying drawings and specific embodiments; it should be noted that, if "first" or "second" is described in the text, it is used to distinguish different components, and the like, and does not represent the order of precedence, and does not limit "first" and "second" to be different types.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and 2, the positioning rubber core 3 shown in this embodiment includes a main body 30 and a positioning plate 31 disposed at the front end of the main body 30 and extending forward, wherein at least one elastic buckle 32 facing the main body 30 is obliquely disposed on both sides of the positioning plate 31, that is, the elastic buckle 32 is disposed in a reverse direction, when the positioning plate is inserted into the connector housing forward, the elastic buckle is compressed downward, and when the positioning plate is assembled in place, the elastic buckle is prevented from sliding out reversely by using a blocking action of the elastic buckle; the left side and the right side of the main body 30 are both provided with an ear part 33 extending outwards, the two connecting terminals in the connector shell are pressed forwards and fixed by the ear parts, and the front side/the rear side of the main body 30 is provided with a positioning part 34 extending; in the aforesaid, this location is glued the spacer of core at first accessible front end and is realized the block with the connector casing and be connected, and set up the ear in the both sides of main part, two usable ears come to compress tightly forward and fix two connecting terminal in the connector casing like this, realize the fixed design of the partition of connecting terminal and gluey core, and reduced the demand to the inside installation space of connector casing, be convenient for the equipment of each part of little connector, still set up location portion and connector casing cooperation on gluing the core, realize fixing a position the equipment to the equipment direction of this location gluey core, it packs into the connector casing to be convenient for, reduce because of the same equipment difficulty problem that leads to because of manufacturing error when blindly inserting of both sides structure, and the device has the advantages of simple structure, low cost, be convenient for equipment and dismantlement.

Specifically, the positioning plate 31 comprises a connecting portion 311 located at the front end of the main body 30, a guide portion 312 located in the middle of the front end of the connecting portion 311 and extending forwards, and two flat plates 313 extending in the middle of the two sides of the guide portion 312 and located at the front end of the connecting portion 311, wherein the thickness of the flat plates 313 is smaller than that of the connecting portion 311 and the guide portion 312, so that a certain step height difference exists between the surfaces of the two sides of the flat plates 313 and between the connecting portion 311 and the guide portion 312, and the step height difference is used for arranging and accommodating the elastic buckles, so that the occupied space of the elastic buckles is reduced, and the miniaturized design of the positioning rubber core is realized; specifically, two elastic buckles 32 are respectively arranged on the two side surfaces of the flat plate, that is, two elastic buckles are respectively arranged on the two sides of the positioning plate, the front ends of the elastic buckles 32 are arranged on the front end surface of the flat plate 313, the rear ends of the elastic buckles 32 extend upwards in an inclined manner towards the connecting part 311, and the highest point of the rear ends of the elastic buckles 32 is higher than the surface of the connecting part 311, so that the reverse blocking effect of the elastic buckles is ensured.

Specifically, the surfaces of the two sides of the guiding portion 312 are provided with guiding grooves 314 extending from front to back, and the guiding grooves 314 extend to the surface of the connecting portion 311 from back, so that the guiding grooves are used for guiding and installing the positioning piece inserted into the connector housing and realizing primary positioning.

Specifically, two raised positioning columns 35 are arranged on the front end face of the guide part 312 at intervals, the purpose of positioning inside the slotted hole of the connector shell is achieved by the aid of the positioning columns and the slotted hole of the connector shell, and the positioning columns 35 are round tables with small front ends and large rear ends, so that the positioning columns and the connector shell can be conveniently assembled and plugged.

Specifically, the positioning holes 341 arranged at two intervals are arranged on the positioning portion 34 in a front-back penetrating manner, the purpose of external positioning is realized by utilizing the positioning holes and the fixing columns in the connector shell, the purpose of three-point positioning is realized by matching the positioning holes with the guide grooves and the positioning columns, and the problems of deflection and movement of the positioning rubber core after assembly are avoided.

Specifically, the positioning portion 34 is further provided with a through hole 342 passing through the front and back for a cable or a pin to pass through, and the through hole 342 is located between the two positioning holes 341.

Furthermore, the positioning rubber core is integrally formed by plastic.

In an embodiment of the utility model, this location rubber core adopts plastic integrated into one piece to make, is convenient for make and production, and is with low costs.

Example 2

As shown in fig. 1 to 10, the receptacle connector shown in this embodiment includes a receptacle housing 1, a connection terminal 2 and a positioning rubber core 3, where the receptacle housing 1 includes a plugging end 11 whose front end is used for plugging a mating plug and a terminal 12 whose rear end is used for connecting a cable, both sides of the front end of the connection terminal 2 are provided with at least one barb structure 212 having an oblique angle 211, at least one mounting hole 10 extending along the plugging end 11 and the terminal 12 penetrates through the receptacle housing 1, the front end of the connection terminal 2 is pressed into the mounting hole 10, and the barb structure 212 is clamped into an inner wall of the mounting hole 10; the positioning rubber core 3 is clamped in the wiring terminal 12, and the positioning rubber core 3 presses the connection terminal 2 forwards; in the aforesaid, all set up the barb structure in the both sides of connecting terminal front end to usable barb structure card is gone into and is realized that the block is fixed by the interference by force in the socket casing, has simplified the mounting structure of terminal, can also improve the installation effectiveness, reduce part quantity, reduce cost, still be provided with the location that compresses tightly connecting terminal forward in the socket casing and glue the core, utilize the location to glue the core and realize the dual fixed action to the terminal, improved structural reliability, have simple structure, with low costs, be convenient for equipment and the characteristics of dismantling.

Specifically, the inserting end 11 includes an inserting portion 111 having two mounting holes 10 and a ring wall 112 surrounding the outer circumference of the inserting portion 111, and an inserting groove 113 is formed between the inserting portion 111 and the ring wall 112 for inserting a mating plug, and a connecting terminal 2 is disposed in each mounting hole 10.

In this embodiment, the receptacle connector further includes a shielding plate 4 fitted around the outer periphery of the insertion part 111, and the shielding plate 4 has a plurality of shielding claws 41 extending to the outer periphery of the terminal 112 at the rear end thereof.

In this embodiment, the connection terminal 2 includes a front section 21, a middle section 22 and a rear section 23 which are integrally formed and sequentially arranged, one end of each of the front section 21 and the rear section 23 is perpendicularly connected with the middle section 22, that is, the front section 21 and the rear section 23 which are connected with each other are bent into a right angle, and the other end of each of the front section 21 and the rear section 23 extends in opposite directions, that is, one extends forward and the other extends backward, the extending directions of the front section 21 and the rear section 23 are parallel, two barb structures 212 are arranged at intervals on two sides of the front section 21, and an oblique angle 211 on each barb structure 212 is arranged opposite to the rear section 23, that is, the oblique angle faces the front section 21, so that when the front section 21 of the terminal is pressed into the connector housing, the oblique angle is consistent with the inserting direction, the connection terminal is conveniently inserted into the socket housing by using the oblique angle, and the binding force between the connection terminal and the socket housing can be improved by using a plurality of barb structures; the front section 21 is inserted into the mounting hole 10, the end surface of the inner side of the middle section 22 is abutted against the end surface of the wiring terminal 12 to form a forward stopping effect, and the forward and backward movement stopping and positioning effect on the connection terminal is realized by matching with the barb structure; in the above-mentioned, through designing into the bending structure that preceding middle-and-back three-section is the integral type with the terminal to utilize the back end outwards to expand the distance that pulls open between the connector middle-and-end terminal, thereby when satisfying the reliability requirement of electrical connection when the connector uses, can adopt the connecting terminal that can bear 6 square size loads, thereby improved its overcurrent ability under the unchangeable condition of connector size and installation space.

Specifically, the joints between the two ends of the middle section 22 and the front section 21 and the rear section 23 are respectively provided with a first arc-shaped transition part 221 and a second arc-shaped transition part 222, so that the strength and the bending reliability of the joints are improved by arc-shaped transition; and a jig hole 223 penetrates through the middle of the first arc-shaped transition part 221, and the jig hole 223 is used for being matched with an external mounting jig to press the connecting terminal into the connector shell, so that the mounting and the dismounting are convenient.

Specifically, one side of the rear section 23 extends outwards and is vertically provided with a wiring section 24, the center of the wiring section 24 is provided with a through hole 241 in a penetrating manner, and a structure for connecting the wiring section and a cable can be connected and conducted in an inserting or screw fixing manner, so that the connection is firm and reliable, the temperature rise condition is good, the condition of power failure caused by overheating and loosening due to poor contact can not occur, the safety performance is good, the use condition is stable and reliable, and the assembling and disassembling process can be simplified; in this embodiment, the extending direction of the wire connecting section is set towards the inner side (i.e. extending vertically to the extending line of the front section), and compared with the manner of extending towards the outer side, the occupied space area of the connecting terminal can be reduced, the requirement of the installation space of the connecting terminal can be reduced, and the connecting terminal can be conveniently installed in a small connector housing.

Specifically, a concave notch 231 is arranged on the rear section 23 on the inner side of the wiring section 24, so that the bending starting point between the rear section 23 and the wiring section 24 is positioned at the bottom of the notch 231, and the surface of the wiring section 24 can be flush with the surfaces of the front section 21 and the middle section 22 after the wiring section is bent by using the mode of reducing the bending point, so that the volume of the wiring section is reduced.

In this embodiment, the connection terminal 2 is a sheet integrally formed, and the barb structures 212 are disposed on the thickness surfaces (i.e., the surfaces representing the thickness) of the front section 21.

Specifically, the middle of the front end of the front section 21 extends forwards to be provided with the plug section 25, the width of the plug section 25 is smaller than that of the front section 21, and the plug section 25 is arranged in the plug part 111 and is used for being plugged with the jack terminal on the plug, so that the load capacity of the terminal is improved by increasing the widths of the rear front section, the middle section and the rear section under the condition that the original standard of the plug port is not changed.

In this embodiment, the front end of the plug section 25 is sleeved with an insulating anti-touch cap 26, and after the connection terminal is installed in the connector housing, the anti-touch cap can be used to prevent the safety problem of electric shock caused by direct touch of the hand on the connection terminal.

In this embodiment, the wiring terminal 12 is provided with a mounting groove 121 engaged with the positioning rubber core 3, and the front sections 21 of the two connection terminals 2 are located on two sides of the groove wall of the mounting groove 121, so that the positioning rubber core 3 is located between the two connection terminals 2, and the barb structures 212 on the front section 21 are clamped into the groove wall.

In this embodiment, the positioning rubber core 3 includes a main body 30 and a positioning piece 31 disposed at the front end of the main body 30 and extending forward to be inserted into the mounting groove 121, both sides of the positioning piece 31 are both provided with at least one elastic buckle 32 facing the main body 30 in an inclined manner, that is, the elastic buckle 32 is arranged in a reverse direction, the inner wall of the mounting groove 121 is concavely provided with a clamping groove 122 clamped with the elastic buckle 32, so as to utilize the ear portion to compress forward and fix the connection terminal 2, when the positioning piece 31 is inserted forward into the socket housing, the elastic buckle is compressed downward, when the socket housing is assembled in place, the elastic buckle and the clamping groove are clamped to prevent the elastic buckle from sliding out in a reverse direction, both left and right sides of the main body 30 are both provided with the ear portion 33 extending outward and located outside the middle section 22, and the end face of the ear portion 33 is abutted to the end face of the outside of the middle section 22; a positioning part 34 extends from the front side/the rear side of the main body 30, at least one positioning hole 341 penetrates through the positioning part 34 from front to back, and a fixing column 123 in inserted fit with the positioning hole 341 is arranged on the end surface of the terminal 12; in the aforesaid, this location is glued the spacer of core at first accessible front end and is realized the block with the connector casing and be connected, and set up the ear in the both sides of main part, two usable ears come to compress tightly forward and fix two connecting terminal in the connector casing like this, realize the fixed design of the partition of connecting terminal and gluey core, and reduced the demand to the inside installation space of connector casing, be convenient for the equipment of each part of little connector, still set up location portion and connector casing cooperation on gluing the core, realize fixing a position the equipment to the equipment direction of this location gluey core, it packs into the connector casing to be convenient for, reduce because of the same equipment difficulty problem that leads to because of manufacturing error when blindly inserting of both sides structure, and the device has the advantages of simple structure, low cost, be convenient for equipment and dismantlement.

Specifically, the positioning plate 31 comprises a connecting portion 311 located at the front end of the main body 30, a guide portion 312 located in the middle of the front end of the connecting portion 311 and extending forwards, and two flat plates 313 extending in the middle of the two sides of the guide portion 312 and located at the front end of the connecting portion 311, wherein the thickness of the flat plates 313 is smaller than that of the connecting portion 311 and the guide portion 312, so that a certain step height difference exists between the surfaces of the two sides of the flat plates 313 and between the connecting portion 311 and the guide portion 312, and the step height difference is used for arranging and accommodating the elastic buckles, so that the occupied space of the elastic buckles is reduced, and the miniaturized design of the positioning rubber core is realized; specifically, two elastic buckles 32 are respectively arranged on the two side surfaces of the flat plate, that is, two elastic buckles are respectively arranged on the two sides of the positioning plate, the front ends of the elastic buckles 32 are arranged on the front end surface of the flat plate 313, the rear ends of the elastic buckles 32 extend upwards in an inclined manner towards the connecting part 311, and the highest point of the rear ends of the elastic buckles 32 is higher than the surface of the connecting part 311, so that the reverse blocking effect of the elastic buckles is ensured.

Specifically, the both sides surface of guide part 312 is equipped with guide way 314 by preceding backward extension, and guide way 314 extends to connecting portion 311 on the surface backward, on the inner wall of mounting groove 121 the protruding boss 124 that is equipped with guide way 314 complex, utilizes guide way and boss to insert the spacer in the socket casing and lead the installation and realize preliminary location.

Specifically, two raised positioning columns 35 are arranged on the front end face of the guide part 312 at intervals, a groove hole 125 matched with the positioning column 35 in an inserting mode is formed in the bottom of the inner side of the mounting groove 121, the positioning column and the groove hole are used for achieving the purpose of positioning in the mounting groove, the positioning column 35 is a round table with a small front end and a large rear end, and the positioning column and the socket shell are convenient to assemble and insert.

In an embodiment, two positioning holes 341 are formed in the positioning portion 34 in a front-back penetrating manner, so that the positioning holes and the fixing posts are utilized to achieve the purpose of external positioning, and the positioning holes and the fixing posts are matched to achieve the purpose of three-point positioning, thereby avoiding the problems of deflection and movement of the positioning rubber core after assembly.

Specifically, the positioning portion 34 is further provided with a through hole 342 passing through the front and back for a cable or a pin to pass through, and the through hole 342 is located between the two positioning holes 341.

In this embodiment, a square mounting plate 13 is further provided at the rear end of the insertion end 11, and a sealing ring 14 surrounding the terminal 12 is provided at the rear side of the mounting plate.

In an embodiment of the utility model, this location rubber core adopts plastic integrated into one piece to make, is convenient for make and production, and is with low costs.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a core is glued in location, its characterized in that includes main part (30) and locates main part (30) front end and preceding spacer (31) that extends, the both sides of spacer (31) all incline to be equipped with at least one orientation elasticity buckle (32) of main part (30), the left and right sides of main part (30) all outwards extends and is equipped with ear (33), the front side/the rear side of main part (30) extend and are equipped with a locating part (34).

2. The positioning rubber core according to claim 1, wherein the positioning plate (31) is provided with a guide groove (314) extending along the length thereof in the middle of the two sides.

3. The positioning rubber core according to claim 2, characterized in that, both sides of the guide groove (314) are provided with one elastic buckle (32).

4. The positioning rubber core according to claim 3, wherein the front end face of the positioning sheet (31) is provided with at least one raised positioning column (35).

5. The positioning rubber core according to claim 4, wherein two raised positioning columns (35) are arranged on the front end face of the positioning sheet (31) at intervals.

6. The positioning rubber core according to claim 5, wherein the positioning column (35) is a circular truncated cone with a small front end and a large rear end.

7. The positioning rubber core according to claim 6, wherein at least one positioning hole (341) is formed in the positioning portion (34) in a front-back penetrating manner.

8. The positioning rubber core according to claim 7, wherein two positioning holes (341) penetrate through the positioning portion (34) from front to back, a through hole (342) penetrates through the positioning portion (34) from front to back, and the through hole (342) is located between the two positioning holes (341).

9. The positioning rubber core according to claim 8, wherein the positioning sheet (31) comprises a connecting part (311) located at the front end of the main body (30), a guide part (312) located in the middle of the front end of the connecting part (311) and extending forwards, and two flat plates (313) extending in the middle of the two sides of the guide part (312) and located at the front end of the connecting part (311), the thickness of the flat plates (313) is smaller than that of the connecting part (311) and the guide part (312), and the guide groove (314) extends from front to back along the surface of the guide part (312) and extends to the surface of the connecting part (311); the positioning column (35) is arranged at the front end of the guide part (312); the front end of the elastic buckle (32) is arranged on the front end surface of the flat plate (313), the rear end of the elastic buckle (32) extends upwards towards the connecting part (311) in an inclined mode, and the highest point of the rear end of the elastic buckle (32) is higher than the surface of the connecting part (311).

10. The positioning rubber core according to any one of claims 1-9, wherein the positioning rubber core is made of plastic by integral molding.

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