CN219843176U - Connector socket - Google Patents

Abstract

The utility model discloses a connector socket, which comprises a socket shell and a plurality of socket terminals inserted on the socket shell, wherein the front end of the socket shell is provided with a convex inserting part, a plurality of inserting columns are arranged in the inserting part, jacks are arranged in the middle of the inserting columns, the front ends of the socket terminals are inserted in the jacks in a one-to-one correspondence manner, the rear end of the socket shell is provided with a fixing plate which is used for pressing all the socket terminals inwards, and the rear ends of the socket terminals extend outwards out of the fixing plate. The connector socket is convenient and quick to assemble and operate, has a simple overall structure, and reduces the cost of parts.

Description

Connector socket

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a connector socket.

Background

The high-voltage high-current connector is an important circuit element applied to a power distribution unit (PDU, power DistributionUnit) of a passenger electric automobile, and has an important influence on the circuit performance of the passenger electric automobile.

The current-carrying connector is usually powered on by connecting external cables through connecting terminals (such as power terminals, signal terminals and the like), the terminals in the current connector are fixed by clamping claws, the number of component parts is large, the cost is high, the number of the terminals in the connector is large, the clamping claws are required to be used for fixing one by one, the time consumption is long, the current rapid assembly requirement is not met, in addition, each jack terminal is required to be connected with a corresponding wire, the connection process is complex and complicated, and the terminals and the wires are generally required to be welded and then assembled into a shell together.

The existing connector still can not realize unidirectional waterproof, when needing to carry out unilateral waterproof design function, the terminal of inside generally adopts O type circle to seal, and this seal structure can have following problem: firstly, the shape of the terminal needs to be processed by an O-shaped groove, and the processing cost is high; secondly, the diameter of the raw materials used by the terminal is relatively large, and the cost of the raw materials is high; thirdly, the matching aperture (such as a shell) of the matched parts needs to be strictly controlled in size, and the production cost of the parts is high; fourthly, when high-level waterproof assembly is needed, the assembly speed is low, the interference amount of the O-shaped ring is large, and the assembly speed is difficult to improve; fifthly, in the assembly process of the parts, the O-shaped ring is easy to be cut by the edges of the grooves of the terminals, so that the protection function is invalid.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the connector socket which is convenient and quick to assemble and operate, has a simple integral structure and reduces the cost of parts.

In order to solve the technical problems, the utility model provides a connector socket, which comprises a socket shell and a plurality of socket terminals inserted on the socket shell, wherein the front end of the socket shell is provided with a convex inserting part, a plurality of inserting columns are arranged in the inserting part, jacks are arranged in the middle of the inserting columns, the front ends of the socket terminals are inserted in the jacks in a one-to-one correspondence manner, the rear end of the socket shell is provided with a fixing plate for inwards pressing all the socket terminals, and the rear ends of the socket terminals extend outwards from the fixing plate.

Further, a stop ring for stopping the socket terminal is arranged on the inner side of the front end hole of the jack in a radial protruding mode.

Further, a ring table is radially arranged on the periphery of the rear end of the socket terminal in a protruding mode, and the outer side end face of the ring table is abutted to the inner side end face of the fixing plate.

Further, the periphery of socket terminal still overlaps and is equipped with and is located the waterproof circle of elasticity of ring platform front side, waterproof circle periphery of elasticity with the wall butt of jack, waterproof circle of inside and outside Zhou Jun interval is equipped with the bellied rib of multiturn.

Further, an annular groove is formed in the periphery of the socket terminal, and the elastic waterproof ring is sleeved on the annular groove.

Further, the jack is a stepped hole with a small front part and a large rear part, and the elastic waterproof ring is accommodated at the rear end of the jack.

Further, the rear side of the socket housing is concavely provided with a groove for accommodating the fixing plate, the fixing plate is fixed with the socket housing through screws, a through hole is formed in the fixing plate at the position corresponding to each socket terminal, and a sealing ring surrounding the groove is arranged on the rear side end face of the socket housing.

Further, the connector socket further comprises a circuit board electrically connected with the socket terminals, the circuit board is arranged on the outer side of the fixing plate, each circuit board is provided with a through hole at a position corresponding to each socket terminal, and the rear ends of the socket terminals are inserted into the through holes in a one-to-one correspondence manner.

Furthermore, the front side of the socket shell is provided with two guide rods positioned at two sides of the plug-in part, and the length of the guide rods extending forwards is larger than the height of the protrusions of the plug-in part.

Further, the front end face of the socket shell is concavely provided with two containing parts positioned on two sides of the inserting part, the rear end of the guide rod is inserted in the containing part, the radial bulge of the periphery of the guide rod is provided with a stop table, and the front opening of the containing part is provided with a containing groove for containing the stop table.

The utility model has the following beneficial effects:

in the utility model, when the socket terminals are assembled, the socket terminals are firstly inserted into the jacks in a one-to-one correspondence, and then all the socket terminals are simultaneously pressed inwards and fixed through the fixing plates arranged at the rear side of the socket shell, so that the problem of stopping terminal assembly is solved, the part cost when hardware clamping jaws are adopted for assembly in the prior art is saved, the socket terminals are not required to be assembled and fixed in a one-to-one correspondence, and the aim of rapid assembly is realized.

Secondly, the elastic waterproof ring with the convex ribs is arranged for sealing, firstly, the convex rib structure can improve the sealing performance, secondly, the elastic waterproof ring has better deformability, and can be conveniently installed in the jack; the elastic waterproof ring is limited by the annular table and the stepped hole structure, and is firstly placed into the rear end of the jack directly during assembly, and then the socket terminal is pressed inwards through the elastic waterproof ring, so that grooves for accommodating and limiting the O-shaped ring are not required to be formed on the socket shell and the socket terminal, the grooves for machining and assembling are reduced, smaller raw materials can be used for manufacturing the socket terminal, the socket shell and the socket terminal are convenient to produce and process, the machining cost and the raw material cost of a connector socket are reduced, the manufacturing precision requirement on the socket shell is reduced, the fault tolerance rate on the socket shell is increased, and the manufacturing cost and the management and control of the socket shell are reduced.

In addition, the socket terminals and the wires are prevented from being assembled and welded in one-to-one correspondence by adopting a circuit board to be assembled in a plugging manner, the assembly of the socket terminals and the fixing plates is not affected, and the whole assembly and connection process is simple.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and constitute a part of this specification, are incorporated in and constitute a part of this specification and do not limit the utility model in any way, and in which:

FIG. 1 is a schematic view of a connector receptacle according to an embodiment;

FIG. 2 is a schematic diagram of another view of a connector receptacle according to an embodiment;

FIG. 3 is a cross-sectional view of a connector receptacle according to an embodiment;

FIG. 4 is a schematic diagram of a receptacle terminal according to an embodiment;

FIG. 5 is a schematic diagram of a circuit board in an embodiment;

fig. 6 is a schematic view of a fixing plate in an embodiment.

Detailed Description

For a more complete understanding of the present utility model, reference should be made to the following descriptions and illustrations of the present utility model in conjunction with the accompanying drawings and the detailed description thereof; it should be noted that, the text has descriptions such as "first" and "second" for distinguishing different components, and the like, and does not represent a sequence, and does not limit that "first" and "second" are different types.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Examples

As shown in fig. 1 to 6, the connector socket shown in this embodiment includes a socket housing 10 and a plurality of socket terminals 11 inserted in the socket housing 10, where the front end of the socket housing 10 is provided with a protruding plugging portion 12 for plugging with a mating connector plug, a plurality of plugging columns 121 are provided in the plugging portion 12, the middle of the plugging columns 121 is provided with insertion holes 13, and the front ends of the socket terminals 11 are inserted in the insertion holes 13 in a one-to-one correspondence manner, i.e. the number of the insertion holes 13 is the same as the number of the socket terminals 11, and the specific number and layout are set according to the actual design requirement, which is not specifically described and limited herein; the rear end of the socket housing 10 is provided with a fixing plate 14 for pressing all the socket terminals 11 inwards, namely, the socket terminals 11 are fixed in the jacks 13 by the fixing plate 14, and the rear ends of the socket terminals 11 extend outwards to form the fixing plate 14 for connection with an external cable or circuit board to realize the conduction of a circuit.

Above-mentioned, when assembling socket terminal, at first insert socket terminal one-to-one in the jack, then inwards compress tightly and fix all socket terminals simultaneously through the fixed plate that sets up at socket housing rear side, satisfy the stopping problem of terminal equipment, saved the part cost when adopting the hardware jack catch equipment in having now, and need not to assemble fixedly to socket terminal one-to-one, realize quick assembly's purpose.

In this embodiment, a stop ring 131 for stopping the socket terminal 11 is radially protruding from the inner side of the front end hole of the socket 13, so as to prevent the socket terminal 11 from penetrating out of the socket 13 forward, and cooperate with a fixing plate 14 at the rear end to form a limiting structure for limiting the socket terminal forward and backward, so that the problem of loosening of the socket terminal 11 in the use process is avoided; it can be understood that, since the rear end of the socket terminal 11 can pass through the fixing plate 14, in order to limit the rear end of the socket terminal 11, a ring stand 111 is radially protruded on the outer periphery of the rear end of the socket terminal 11, and the outer end surface of the ring stand 111 abuts against the inner end surface of the fixing plate 14, that is, the outer diameter of the ring stand 111 is larger than the aperture of the fixing plate 14 at the position where the rear end of the socket terminal passes through.

In this embodiment, the outer periphery of the socket terminal 11 is further sleeved with an elastic waterproof ring 15 located at the front side of the ring platform 111, the outer periphery of the elastic waterproof ring 15 is abutted against the wall surface of the jack 13, so that a sealing structure is formed for the jack, multiple rings of raised ribs 151 are arranged between the inner and outer Zhou Jun of the elastic waterproof ring 15 at intervals, and the elastic waterproof ring with the raised ribs is arranged for sealing.

Preferably, the outer circumference of the socket terminal 11 is formed with a ring groove 112 located at the front side of the ring base 111, and the elastic waterproof ring 15 is sleeved on the ring groove 112, that is, the ring base 111 can be used to limit the stop of the elastic waterproof ring 15.

Preferably, the jack 13 is a stepped hole with a small front and a large rear, the elastic waterproof ring 15 is accommodated at the rear end of the jack 13, namely at a position with a larger aperture, so that the elastic waterproof ring is stopped and limited by utilizing a smaller aperture section, the elastic waterproof ring can be directly put into the rear end of the jack during assembly and then is pressed into the socket terminal inwards through the elastic waterproof ring, thus the grooves for accommodating and limiting the O-shaped ring are not required to be arranged on the socket shell and the socket terminal, the grooves for processing and assembling are reduced, smaller raw materials can be used for manufacturing the socket terminal, the production and processing of the socket shell and the socket terminal are facilitated, the processing cost and the raw material cost of the connector socket are reduced, the manufacturing precision requirement of the socket shell is reduced, the fault tolerance of the socket shell is increased, and the manufacturing cost and the management and control of the socket shell are reduced.

In this embodiment, a groove 16 for accommodating the fixing plate 14 is concavely formed on the rear side of the socket housing 10, the fixing plate 14 is fixed with the socket housing 10 by the screws 17, so as to fix the socket terminals 11, through holes 141 are formed in the fixing plate 14 at positions corresponding to each socket terminal 11, the rear ends of the socket terminals 11 penetrate out, and a sealing ring 18 surrounding the groove 16 is further formed on the rear end surface of the socket housing 10, so that when the socket housing is fixed on an external device (such as a charging pile or a new energy automobile), sealing between the connector socket and the external device is realized by using the sealing ring, and the jack is sealed by using the elastic waterproof ring 15, so that even if the connector socket is not plugged with the connector plug in a single side, the waterproof function of the interior of the external device can be realized.

In an embodiment, the connector socket further includes a circuit board 19 for electrically connecting with the socket terminals 11, the circuit board 19 is disposed on the outer side of the fixed board 14, and the circuit board 19 is provided with a via hole 191 at a position corresponding to each socket terminal 11, and the rear ends of the socket terminals 11 are plugged into the via holes 191 in a one-to-one correspondence manner, so as to realize the electrical connection between the circuit board and the socket terminals, and then the circuit board is connected and conducted with an external cable, so that the process of assembling and welding the socket terminals and the wires in a one-to-one correspondence manner is avoided, the assembly of the socket terminals and the fixed board is not affected, and the whole assembly connection process is simple; of course, after the circuit board and the socket terminal are inserted, soldering treatment can be performed at the via hole, so that the connection reliability is improved.

In an embodiment, two guide rods 101 located at two sides of the plugging portion 12 are arranged at the front side of the socket housing 10, the length of the guide rods 101 extending forward is larger than the protruding height of the plugging portion 12, namely, the guide rods 101 are used for plugging and aligning with corresponding guide holes in an adapted connector plug, so that the purpose of plugging and positioning is achieved, plugging of the plugging portion and the connector plug is facilitated, and the problem of difficult butt joint in a narrow space area is solved.

Preferably, the front end surface of the socket housing 10 is concavely provided with two accommodating parts 102 on two sides of the plugging part 12, the rear end of the guide rod 101 is plugged in the accommodating parts 102, the outer periphery of the guide rod 101 radially protrudes to be provided with a stop table 103, and the front opening of the accommodating part 102 is provided with an accommodating groove 104 for accommodating the stop table 103, so that a front end stop structure is formed, a stress surface is increased, and the problem that the bottom of the accommodating part is damaged due to overlarge pressure in the plugging process is avoided.

The specific assembly process of the connector socket is as follows:

1. firstly, placing the elastic waterproof rings into the jacks one by one;

2. the front ends of the socket terminals are inserted into the jacks in a one-to-one correspondence manner and penetrate through the middle of the elastic waterproof ring;

3. fixing the fixing plate in the groove of the socket shell through a screw;

4. attaching the circuit board to the outer side of the fixed board, and enabling the through holes on the circuit board to be in one-to-one corresponding plug-in connection with the socket terminals;

5. inserting the guide rod into the accommodating part;

6. and installing the sealing ring at the corresponding position of the rear end face of the socket shell.

The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.

Claims (10)

1. The utility model provides a connector socket, its characterized in that includes socket shell and a plurality of socket terminal of inserting on the socket shell, socket shell's front end is equipped with bellied grafting portion, be equipped with a plurality of spliced pole in the grafting portion, the centre of spliced pole is equipped with the jack, socket terminal's front end one-to-one inserts and locates in the jack, socket shell's rear end is equipped with inwards compresses tightly all socket terminal's fixed plate, just socket terminal's rear end all outwards extends the fixed plate.

2. The connector receptacle of claim 1, wherein a radially inward projection of a front end aperture of said receptacle is provided with a stop ring for stopping said receptacle terminal.

3. The connector receptacle of claim 2, wherein the rear end outer circumferential projection of the receptacle terminal is provided with a land, an outer end surface of which abuts an inner end surface of the fixing plate.

4. A connector socket according to claim 3, wherein the outer periphery of the socket terminal is further sleeved with an elastic waterproof ring positioned at the front side of the annular table, the outer periphery of the elastic waterproof ring is abutted against the wall surface of the jack, and a plurality of rings of raised ribs are arranged between the inner and outer Zhou Jun of the elastic waterproof ring at intervals.

5. The connector receptacle of claim 4, wherein the receptacle terminal has a circumferential groove formed in an outer periphery thereof, and the elastic waterproof ring is fitted over the groove.

6. The connector receptacle of claim 5, wherein said receptacle is a stepped bore with a small front and a large rear, and said resilient waterproof ring is received in a rear end of said receptacle.

7. The connector receptacle of claim 6, wherein a groove for receiving said fixing plate is concavely provided on a rear side of said receptacle housing, said fixing plate is fixed to said receptacle housing by screws, a through hole is provided in said fixing plate at a position corresponding to each of said receptacle terminals, and a seal ring provided around said groove is provided on a rear side end surface of said receptacle housing.

8. The connector jack of claim 7, further comprising a circuit board for electrically connecting with the jack terminals, wherein the circuit board is disposed on the outer side of the fixing board, and through holes are formed in the circuit board at positions corresponding to each of the jack terminals, and rear ends of the jack terminals are inserted into the through holes in a one-to-one correspondence.

9. The connector receptacle of claim 8, wherein the front side of the receptacle housing is provided with two guide bars on either side of the mating portion, the guide bars extending forwardly a length greater than the height of the mating portion projection.

10. The connector jack of claim 9, wherein the front end surface of the jack housing is concavely provided with two receiving portions at both sides of the insertion portion, the rear end of the guide bar is inserted into the receiving portion, the outer circumferential radial projection of the guide bar is provided with a stop table, and the front opening of the receiving portion is provided with a receiving groove for receiving the stop table.