CN215343093U

CN215343093U - Plug terminal assembly

Info

Publication number: CN215343093U
Application number: CN202121270392.5U
Authority: CN
Inventors: 林培燕; 刘泽标; 林国军
Original assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Current assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-12-28
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a plug terminal assembly which comprises a plug rubber core and a plug terminal which is clamped in the plug rubber core and is sheet-shaped, wherein an insertion hole is formed in one side of the front end of the plug rubber core, the front end of the plug terminal is transversely inserted into the middle of the insertion hole, and gaps are formed between two side surfaces of the plug terminal and the wall surface of the insertion hole. According to the utility model, the insertion hole is formed in one side of the front end of the plug rubber core and is used for exposing the plug terminal in the plug rubber core, so that the socket terminal on the socket is inserted from the side edge to realize 90-degree insertion, the whole structure is simple, and the assembly and disassembly are convenient.

Description

Plug terminal assembly

Technical Field

The utility model relates to the technical field of connectors, in particular to a plug terminal assembly.

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 angle of connection between the plug part and the socket part of the existing high-voltage large-current connector is generally 90 degrees and 180 degrees, the terminal of an extra adapter terminal or a right-angle structure is generally needed to be adopted on the plug to be connected when the connector is connected at 90 degrees, the overall structure is complex, an extra clamping structure is needed to be fixed between the rubber core and the plug shell, and the assembling structure between the terminal and the rubber core is formed by slotting the rubber core and the terminal, so that the assembly and disassembly are difficult.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, the present invention provides a plug terminal assembly, which is configured to expose a plug terminal in a plug rubber core by forming an insertion hole at one side of a front end of the plug rubber core, so that a socket terminal on a socket is inserted from a side to achieve 90-degree insertion, and the plug terminal assembly is simple in overall structure and convenient to assemble and disassemble.

In order to solve the technical problem, the utility model provides a plug terminal assembly, which comprises a plug rubber core and a plug terminal which is clamped in the plug rubber core and is sheet-shaped, wherein an insertion hole is formed in one side of the front end of the plug rubber core, the front end of the plug terminal is transversely inserted into the middle of the insertion hole, and gaps are formed between two side surfaces of the plug terminal and the wall surface of the insertion hole.

Furthermore, the plug rubber core is provided with a terminal hole arranged along the length of the plug rubber core, the insertion hole is communicated with the terminal hole and is positioned at one end of the terminal hole, the plug terminal is clamped in the terminal hole, and one end, far away from the insertion hole, of the terminal hole is an opening.

Furthermore, guide grooves are symmetrically formed in the upper wall surface and the lower wall surface of the terminal hole, and the upper side and the lower side of the plug terminal are arranged in the guide grooves.

Furthermore, the plug terminal assembly further comprises a clamping claw arranged in the terminal hole, and a second clamping groove clamped with the clamping claw is formed in the plug terminal.

Furthermore, the jack catch includes flaky cardboard and locates the middle elasticity buckle of cardboard, elasticity buckle with the second draw-in groove block, the front end of plug rubber core is equipped with one end and is the open-ended spout, the both sides of cardboard are located in the spout.

Furthermore, the plug terminal assembly further comprises an abutting member which is arranged on the plug rubber core and abuts against the clamping plate inwards.

Further, at least one positioning groove is concavely arranged at the opening end of the insertion hole.

Furthermore, a barrier strip located in front of the plug terminal is arranged in the middle of the opening of the insertion hole, and the thickness of the barrier strip is the same as that of the plug terminal.

Furthermore, the front end face of the plug rubber core is provided with at least one concave hole.

Furthermore, the plug terminal comprises an inserting section with the front end inserted into the inserting hole and a crimping section with the rear end connected with the cable, an arc transition section is further arranged between the inserting section and the crimping section, the upper side and the lower side of the inserting section protrude out of the arc transition section and the crimping section, and the upper side and the lower side of the inserting section are arranged in the guide groove.

The utility model has the following beneficial effects:

according to the utility model, the insertion hole is formed in one side of the front end of the plug rubber core for exposing the plug terminal in the plug rubber core, and a gap for inserting the socket terminal is formed between the two side surfaces of the plug terminal and the insertion hole, so that the socket terminal on the socket is inserted from the side edge to realize 90-degree insertion, the whole structure is simple, and the assembly and disassembly are convenient; in addition, the upper wall surface and the lower wall surface of the terminal hole are symmetrically provided with guide grooves which are used for guiding and limiting the plug terminal when the plug terminal is inserted, so that the front end of the plug terminal is positioned in the middle of the insertion hole; and the positioning groove is used for being matched with a plug pressure plate on an external plug to fix the plug terminal assembly on the plug shell, so that the assembly and the disassembly of the plug terminal assembly are facilitated.

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 are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:

FIG. 1 is a schematic diagram of an embodiment of a plug rubber core and a plug terminal after assembly;

fig. 2 is a schematic cross-sectional view of fig. 1.

FIG. 3 is a longitudinal sectional view of FIG. 1;

FIG. 4 is an enlarged view of B in FIG. 3;

FIG. 5 is a schematic view of a plug terminal of an embodiment;

FIG. 6 is a schematic view of a rubber core of the plug in the embodiment;

FIG. 7 is a schematic view of an embodiment of a plug core;

fig. 8 is a schematic view of a connector plug of embodiment 2;

FIG. 9 is a schematic view of the connector plug of embodiment 2 from another perspective;

FIG. 10 is a schematic cross-sectional view of a connector plug of embodiment 2;

fig. 11 is a longitudinal sectional view of a connector plug of embodiment 2;

FIG. 12 is a schematic view of a handle in embodiment 2;

FIG. 13 is a schematic cross-sectional view of a handle in example 2;

FIG. 14 is a longitudinal sectional view of the handle in embodiment 2;

FIG. 15 is a schematic view of a lock member in embodiment 2;

FIG. 16 is a schematic view of a housing of the plug according to embodiment 2;

fig. 17 is a schematic view of the connector plug of embodiment 2 with the plug pressure plate removed;

FIG. 18 is a schematic view of a plug press plate according to example 2;

FIG. 19 is a diagram showing another perspective of the insert holder according to embodiment 2

FIG. 20 is a cross-sectional view of the screw of FIG. 10;

fig. 21 is an enlarged view of a in fig. 20.

Detailed Description

For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; 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 a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 6, the plug terminal assembly shown in this embodiment includes a plug rubber core 120 and a plug terminal 140 which is clamped in the plug rubber core 120 and is sheet-shaped, one side of the front end of the plug rubber core 120 is provided with an insertion hole 122, the front end of the plug terminal 140 is transversely inserted into the middle of the insertion hole 122 from a side edge, and gaps are respectively provided between two side surfaces of the plug terminal 140 and wall surfaces of the insertion hole 122 to expose two side surfaces of the plug terminal for realizing insertion with a U-shaped insertion section in an external socket terminal; in the above, through opening out the patchhole in front end one side of plug gluey core for show out the plug terminal in the plug gluey core, and make and be formed with the clearance that supplies socket terminal to insert between plug terminal's both sides face and the patchhole, so that the socket terminal on the socket inserts from the side and realizes 90 degrees grafting, overall structure is simple, and is convenient for assemble and dismantle.

In this embodiment, the plug rubber core 120 is provided with a terminal hole 123 transversely arranged along the length thereof, the insertion hole 122 is communicated with the terminal hole 123 and is positioned at one end of the terminal hole 123, and one end of the terminal hole 123 far away from the insertion hole 122 is an opening, i.e. the plug terminal 140 is inserted into the terminal hole 123 from the opening, and the front end of the plug terminal is transversely inserted into the insertion hole 122; specifically, the plug terminal assembly further includes a claw 150 disposed in the terminal hole 123, and the plug terminal 140 is provided with a second engaging groove 141 engaged with the claw 150, so that the plug terminal 140 is engaged and fixed in the terminal hole 123, thereby fixing the plug terminal.

Specifically, the claw 150 includes a sheet-shaped clamping plate 151 and an elastic buckle 152 arranged in the middle of the clamping plate 151, the elastic buckle 152 is clamped with the second clamping groove 141, the front end of the plug rubber core 120 is provided with a sliding groove 124 with one end being an opening, two sides of the clamping plate 151 are arranged in the sliding groove 124, and the claw is arranged in the plug rubber core from the opening of the sliding groove 124, so that the claw is convenient to mount and dismount; in addition, in order to fix the latch 150, a tightening member 153 for tightening inward and fixing the catch plate 151 is provided at the front end of the plug core 120, and a hollow 125 for accommodating the tightening member 153 is provided at the front end of the plug core at the sliding groove, and the tightening member 153 is installed in the hollow 125 in a tight-fitting manner.

Specifically, the guide grooves 126 are symmetrically formed in the middle of the upper and lower wall surfaces of the terminal hole 123, the upper and lower sides of the plug terminal are disposed in the guide grooves 126, and the guide grooves are used to guide and limit the insertion of the plug terminal, so that the front end of the inserted plug terminal is located at the middle position of the insertion hole.

Specifically, at least one positioning groove 121 is concavely provided at the opening end of the insertion hole 122, and the positioning groove is used for being matched with a plug pressing plate on an external plug to fix the plug terminal assembly on a plug shell, so that the assembly and disassembly of the plug terminal assembly are facilitated.

In this embodiment, the middle of the opening of the insertion hole 122 is provided with the barrier 127 positioned in front of the plug terminal 140, and the thickness of the barrier 127 is the same as that of the plug terminal 140, so that the barrier is used as an insulating member to prevent a hand from directly touching the plug terminal on the inner side, thereby improving the safety.

Specifically, the front end face of the plug rubber core 120 is provided with two concave holes 128 for positioning after being assembled with an external plug housing.

Specifically, the plug terminal 140 includes an insertion section 142 with a front end inserted into the insertion hole 122 and a crimping section 143 with a rear end connected with the cable, an arc transition section 144 is further disposed between the insertion section 142 and the crimping section 143, so that a turning dislocation exists between the insertion section and the crimping section, a larger accommodating space can be formed between the crimping section and a wall surface of the terminal hole for accommodating the cable crimped with the crimping section, and the aperture of the terminal hole and the size of the plug rubber core can be reduced when the insertion section is located between the insertion hole and the terminal hole due to the front-rear section dislocation; the upper side and the lower side of the plugging section 142 are protruded out of the arc transition section 144 and the crimping section 143, and the upper side and the lower side of the plugging section 142 are arranged in the guide groove 126, so that the situation that the crimping section deviates from the middle position of the terminal hole to influence the matching with the guide groove is avoided; the second card slot 141 is disposed on the upper side of the front end of the plug section.

In one embodiment, the plug rubber core is integrally formed by plastic, so that the plug rubber core is convenient to manufacture and produce and low in cost.

Example 2

As shown in fig. 1 to 21, the connector plug of the present embodiment includes a hollow plug housing 100, two plug cores 120 disposed in parallel in the plug housing 100, a sheet-shaped plug terminal 140 disposed in the plug cores 120, and a cable 190 connected to the plug terminal 140 and extending out of the plug housing 100, the plug housing 100 is composed of a first right-angle side 185 and a second right-angle side 186 which are perpendicular to each other and are communicated with each other to form a hollow, the plug cores 120 are disposed in the first right-angle side 185, an insertion hole 122 facing the opening of the second right-angle side 186 is disposed at one side of the front end of the plug cores 120, the front end of the plug terminal 140 is inserted into the middle of the insertion hole 122 from the lateral side, and gaps are provided between both side surfaces of the plug terminal 140 and the wall surfaces of the insertion hole 122, two side faces of the plug terminal are exposed and used for realizing the insertion connection with the U-shaped insertion section in the external socket terminal; the end of the second right-angle edge 186 is provided with a plugging part 103 formed by an inner ring 101 and an outer ring 102, the plugging part is used for plugging with a connector socket, a plugging groove 104 is arranged between the inner ring 101 and the outer ring 102, and the inner ring 101 is sleeved with a plug pressing plate 110 clamped with a plug rubber core 120.

Specifically, the waterproof ring 105 is sleeved on the periphery of the inner ring 101, the step surface 106 for stopping the waterproof ring 105 is arranged on the periphery of the inner ring 101 and located on the inner side of the waterproof ring 105, the plug press plate 110 comprises a press plate main body 111 sleeved in the inner ring 101 and fixed on the plug shell 100 through screws 113 and a ring belt 112 sleeved outside the inner ring 101, so that the plug press plate 110 forms an internally and externally sleeved structure and is used for realizing different functions respectively, the press plate main body 111 and the ring belt 112 are connected with the integrally formed connecting pieces 114 through the plurality of connecting pieces, and the ring belt 112 is abutted against the waterproof ring 105, so that the waterproof ring 105 is limited on the inner side and the outer side by the step surface 106 and the plug press plate 110 respectively, and the internal and external limiting fixing function of the waterproof ring is realized; in the above, the plug pressing plate is divided into the pressing plate main body and the annular belt, the pressing plate main body is used for fixing the plug pressing plate main body and the plug shell, and the annular belt is used for pressing the plug pressing plate main body inwards and fixing the waterproof ring.

In this embodiment, the outer end of the inner ring 101 is provided with a plurality of positioning bayonets 107 for accommodating the connectors 114 in a one-to-one correspondence manner, so that the positioning and assembly of the plug pressure plate are realized by positioning and clamping the connectors and the positioning bayonets, and the assembly is convenient; two jacks 115 which are arranged in parallel left and right and correspond to the jacks 122 on the two plug rubber cores one by one in the front-back direction are arranged on the pressing plate main body 111 in a penetrating manner, are used for exposing plug terminals in the plug shell and inserting the plug terminals into terminals on a connector socket, and two screw holes 116 located between the two jacks 115 are arranged on the pressing plate main body 111 in a penetrating manner and are used for fixing the screws 113 on the plug shell 100 after the screws 113 pass through.

Specifically, the inner side surface of the pressing plate main body 111 is convexly provided with a positioning column 117, the plug shell is provided with a positioning hole 108 which is inserted into the positioning column 117, the inner positioning of the plug pressing plate is realized, and the plug pressing plate is prevented from being reversely installed.

In this embodiment, the plurality of positioning blocks 118 are convexly disposed on the inner side surface of the pressing plate main body 111, and the positioning grooves 121 which are engaged with the positioning blocks 118 in a one-to-one correspondence are concavely disposed at the opening end of the insertion hole 122, so that the plug pressing plate is utilized to realize the engagement limitation of the plug rubber core, the engagement structure between the plug rubber core and the plug housing is reduced, and the plug rubber core is convenient to mount and dismount.

In this embodiment, the connector plug further includes an annular spring 130 that is engaged and sleeved on the outer periphery of the inner ring 101 and located outside the girdle 112, and the outer periphery of the annular spring 130 protrudes from the outer peripheral surface of the inner ring 101; specifically, the outer periphery of the inner ring 101 is provided with an annular groove 109 for accommodating the annular spring 130, and the outer periphery of the annular spring 130 protrudes out of the annular groove 109, so that the plugging portion and the connector socket form tight elastic contact after being plugged, and the plugging force between the plugging portion and the connector socket is enhanced by the annular spring.

Specifically, the connecting member 114 is provided with a first engaging groove 119 for the ring spring 130 to pass through, and the first engaging groove 119 is a continuous portion of the ring groove 109.

In this embodiment, the connector plug further includes a handle 160 and a locking member 170 disposed on the handle 160, the handle 160 includes a handle body 161 and two connecting arms 162 bent and disposed at two ends of the handle body 160, a hinge hole 163 hinged to a hinge shaft 181 on the second right-angle side is disposed on the connecting arm 162, an arc-shaped slot 164 is disposed at one side of the hinge hole 163, one end of the arc-shaped slot 164 is located at one side of the hinge hole 163, the other end of the arc-shaped slot 164 is far away from the hinge hole 163 and extends to the end of the connecting arm 162, a first introduction slot 165 communicated with the arc-shaped slot 164 is disposed at the end of the connecting arm 162, a clamping column on the external socket housing is inserted into the arc-shaped slot, an elastic positioning buckle 168 disposed on the upper side of the arc-shaped slot 164 is further disposed on the inner side of the connecting arm 162, and the extending direction of the elastic positioning buckle 168 is the same as the extending direction of the connecting arm 162; in the above, the elastic positioning buckle is arranged on the inner side of the connecting arm and used for being matched with an external plug shell to limit the position of the connecting arm, so that the problem that the handle rotates randomly in an unlocked state is solved, the extending direction of the elastic positioning buckle is the same as that of the connecting arm, the two sides of the second right-angle edge 186 are respectively provided with the limiting groove 182 clamped with the elastic positioning buckle 168, the surface of the first right-angle edge 185 is provided with the step 183 for being stopped by the elastic positioning buckle 168 after the handle rotates 90 degrees, and the surface of the second right-angle edge 186 is further provided with the locking column 184 matched with the locking piece 170.

Specifically, an assembling slot 166 matched with the locking piece 170 is formed in the handle main body 161 along the length direction of the handle main body, the locking piece 170 is slidably arranged in the assembling slot 166, the problem of misoperation caused by the fact that the existing locking piece is located on the outer side of the handle is solved by utilizing an internal assembling mode, an open slot 167 is formed in the surface of the handle main body 161, and one end of the locking piece 170 is located in the open slot 167, so that the locking and the opening of the locking piece are controlled through the open slot; one end of the handle main body 161 is provided with a second lead-in groove 1661 communicated with the assembling slot 166, and the locking member is arranged in the handle main body from the side edge.

Specifically, the locking member 170 includes a push plate portion 171, two side hook legs 172 and a plate portion 173 disposed in parallel between the two side hook legs 172, the push plate portion 171 is slidably disposed in the opening groove 167, the two side hook legs 172 are symmetrically disposed at two lower side positions of the push plate portion 173 and extend forward, two side concave limiting positions 1662 adapted to the side hook legs 172 are respectively disposed at two sides of the assembly slot 166 in a front-back distribution, and are used for engaging and limiting when the locking member slides forward and backward at an opening position and a locking position respectively; the rear end of the insertion plate portion 173 is disposed in the middle of the bottom of the push plate portion 171, the front end of the insertion plate portion 173 extends forward to form a side hook leg 172 for locking with a corresponding structure of an external plug housing, so as to lock the entire handle, the bottom of the insertion plate portion 173 is provided with a front catch 174, the bottom surface of the assembly slot 166 is provided with a first elongated hole 1663 for accommodating the front catch 174, and the front catch cooperates with the front end and the rear end of the first elongated hole to limit a stroke gap when the locking member slides forward and backward.

Specifically, the bottom of the rear end of the insertion plate 173 extends backwards to form a spring plate 175, the bottom of the spring plate 175 is provided with a rear catch 176, and the bottom surface of the assembly insertion groove 166 is further provided with a second elongated hole 1664 for accommodating the rear catch 176, so that the front catch and the rear catch are utilized to realize the dual-stroke limiting effect.

Specifically, there is the clearance between the bottom surface of picture peg portion 173 and shell fragment 175's surface and push pedal portion 171, makes picture peg portion 173 and shell fragment 175 all have the characteristics that upwards carry out elastic deformation, can conveniently make two fender buckles break away from corresponding rectangular hole like this to be convenient for the installation and the dismantlement of retaining member.

In this embodiment, a square groove 1665 is formed at the bottom of the end of the handle main body 161 away from the second guiding groove 1661 for accommodating a lock post on the outer plug housing, and the front end of the inserting plate 173 is inserted into the square groove 1665 to be locked with the lock post.

Specifically, the two sides of the assembling slot 166 are further provided with a limiting chute 1666 matched with the side hook leg 172 for guiding and limiting the locking piece; the surface of the push plate portion 171 is provided with an anti-slip groove 177 for facilitating the forward and backward sliding of the operation locking member.

In this embodiment, the connector plug further comprises a tail cover 191 tightly sleeved on the cable 190, the tail cover 191 is buckled with the tail of the first right-angle edge 185 and used for clamping and locking the cable, the cable is prevented from being influenced by external tension and the connection reliability of the cable and the connection terminal is avoided, a sealing ring 192 is further sleeved outside the cable, the sealing ring 192 is located between the plug rubber core 120 and the tail cover 191, and the periphery of the sealing ring 192 is abutted to the inner wall of the first right-angle edge 185.

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 embodiments are only used to help understanding 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 present description should not be construed as a limitation to the present invention.

Claims

1. The plug terminal assembly is characterized by comprising a plug rubber core (120) and a plug terminal (140) which is clamped in the plug rubber core (120) and is sheet-shaped, wherein an insertion hole (122) is formed in one side of the front end of the plug rubber core (120), the front end of the plug terminal (140) is transversely inserted into the middle of the insertion hole (122), and gaps are formed between two side faces of the plug terminal (140) and the wall surface of the insertion hole (122).

2. The plug terminal assembly according to claim 1, wherein the plug rubber core (120) is provided with a terminal hole (123) along the length thereof, the insertion hole (122) is communicated with the terminal hole (123) and is located at one end of the terminal hole (123), the plug terminal (140) is clamped in the terminal hole (123), and one end of the terminal hole (123) far away from the insertion hole (122) is open.

3. The plug terminal assembly according to claim 2, wherein guide grooves (126) are symmetrically formed on upper and lower wall surfaces of the terminal hole (123), and upper and lower sides of the plug terminal (140) are formed in the guide grooves (126).

4. The plug terminal assembly according to claim 3, further comprising a claw (150) provided in the terminal hole (123), wherein the plug terminal (140) is provided with a second engaging groove (141) engaged with the claw (150).

5. The plug terminal assembly according to claim 4, wherein the pawl (150) comprises a plate-shaped clamping plate (151) and an elastic buckle (152) arranged in the middle of the clamping plate (151), the elastic buckle (152) is clamped with the second clamping groove (141), a sliding groove (124) with an opening at one end is arranged at the front end of the plug rubber core (120), and two sides of the clamping plate (151) are arranged in the sliding groove (124).

6. The plug terminal assembly of claim 5, further comprising a tightening member (153) disposed on said plug rubber core (120) and tightening said card plate (151) inwardly.

7. The plug terminal assembly according to claim 6, wherein the insertion hole (122) is concavely provided at an open end thereof with at least one positioning groove (121).

8. The plug terminal assembly according to claim 7, wherein a barrier (127) is provided in the middle of the opening of the insertion hole (122) in front of the plug terminal (140), the barrier (127) having the same thickness as the plug terminal (140).

9. The plug terminal assembly of claim 8, wherein said plug core (120) is provided with at least one recess (128) in a front end face thereof.

10. The plug terminal assembly according to claim 9, wherein the plug terminal (140) comprises a plug section (142) having a front end inserted into the insertion hole (122) and a crimp section (143) having a rear end connected to a cable, an arc-shaped transition section (144) is further disposed between the plug section (142) and the crimp section (143), upper and lower sides of the plug section (142) protrude from the arc-shaped transition section (144) and the crimp section (143), and upper and lower sides of the plug section (142) are disposed in the guide groove (126).