CN211456035U - Positioning rubber core - Google Patents

Abstract

The utility model discloses a positioning rubber core, which comprises a main body and two positioning sheets which are respectively arranged at the two sides of the front end of the main body and extend forwards, wherein the two positioning sheets are arranged in parallel; the outside of two the spacer all is equipped with at least one elasticity buckle, the through-hole that runs through around being equipped with in the centre of main part. The utility model discloses a change cyclic annular gluey core structure into two rear end connected together's piece formula structures, make to glue the core and be convenient for pack into the connector housing, have simple structure, with low costs, be convenient for equipment and the 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.

The connection angle between the plug part and the socket part of the existing high-voltage large-current connector is basically limited to 90 degrees and 180 degrees, the application of other angles needs to be adjusted by a connected cable, if the cable is thick and hard, the operation is difficult, the space is occupied, and the disassembly during maintenance is also inconvenient.

The existing 120-degree connector mainly comprises two modes, the first mode is a technical scheme of realizing a 120-degree corner through switching of two socket terminals, the first mode is to increase the cost of one terminal, the second mode can influence the electric connection quality of the connector, the third mode is to be unfavorable for maintaining the vibration-resistant performance in practical application and achieving the purposes of light weight of the whole vehicle and reducing energy consumption, and the third mode is to increase the contact resistance and temperature rise due to more connected contact points through switching of the two terminals, so that the performance of the connector is influenced; the second is threaded switching, because this structure receives the effective length of space restriction lock screw thread shorter, and the fastening effect is unsatisfactory, and the resistant vibration performance of product is relatively poor, probably appears the pine in the use and takes off, leads to contact resistance increase, the too high and condition of burning out the connector of temperature rise, perhaps the contact breaks away from basically will make the vehicle outage, influences the security of vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical defect who has just mentioned, provide a location rubber core, through changing the annular rubber core structure into two piece formula structures that the rear end links together, make rubber core be convenient for pack into the connector housing, have simple structure, with low costs, be convenient for equipment and characteristics dismantled.

In order to solve the technical problem, the utility model provides a positioning rubber core, which comprises a main body and two positioning sheets which are respectively arranged at two sides of the front end of the main body and extend forwards, wherein the two positioning sheets are arranged in parallel; the outside of two the spacer all is equipped with at least one elasticity buckle, the through-hole that runs through around being equipped with in the centre of main part.

Furthermore, a transition plane is concavely arranged on the outer side of the rear end of the positioning sheet, a vertically arranged step surface is formed between the transition plane and the front end of the positioning sheet, one end of the elastic buckle is arranged on the step surface, and the other end of the elastic buckle extends backwards and is arranged above the transition plane.

Furthermore, a plurality of sliding grooves which are arranged along the length of the positioning piece in an extending mode are formed in the inner side of the positioning piece at intervals.

Furthermore, the inner side and the outer side of the end part of the front end of the positioning sheet are both provided with chamfer inclined planes.

Furthermore, the outer side of the front end of the positioning piece is an arc-shaped transition arc surface, and the middle part of the transition arc surface is a plane.

Further, one of the two positioning pieces is longer than the other.

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

The utility model discloses following beneficial effect has:

in the utility model, the original annular rubber core structure is changed into two sheet-shaped positioning sheets with the rear ends connected together, and the front ends of the two sheet-shaped structures are in a separated state and are easy to be compressed and deformed, so that the rubber core is convenient to be arranged in the connector shell; chamfer slopes are arranged on the inner side and the outer side of the front end part of the positioning sheet, so that the thickness of a contact surface of the front end of the positioning sheet is reduced, and the rubber core is better inserted into the connector shell; the elastic buckle arranged on the outer side of the positioning piece is used for being clamped and fixed with the corresponding clamping groove in the connector shell; the sliding grooves are arranged on the inner sides of the positioning pieces and used for reducing the contact area between the positioning pieces and parts arranged on the inner sides of the two positioning pieces in the connector, reducing the sliding friction force and further facilitating the assembly and disassembly of the positioning rubber cores; the utility model has the characteristics of simple structure, with low costs, be convenient for equipment and dismantlement.

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 perspective view of a positioning core in examples 1 and 2;

FIG. 2 is a front view of the positioning rubber core in examples 1 and 2;

fig. 3 is a schematic view of a 120 ° non-transition integrated connector structure according to embodiment 2;

fig. 4 is a sectional view of a 120 ° non-transition integrated connector structure according to embodiment 2;

FIG. 5 is a schematic view of a plug housing in embodiment 2;

fig. 6 is a schematic view showing the combination of the inner rubber core assembly and the connecting terminal in embodiment 2;

FIG. 7 is an exploded view of FIG. 6;

fig. 8 is an assembly diagram of the components incorporated in the plug housing in example 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 fig. 2, the positioning rubber core 4 of the present embodiment includes a main body 41 and two positioning pieces 42 respectively disposed at two sides of the front end of the main body 41 and extending forward, and the two positioning pieces 42 are disposed in parallel; the equal equidistance interval in outside of two spacers 42 is equipped with three towards the elasticity buckle 421 of rear, is used for through the elasticity buckle to carry out the block with the corresponding draw-in groove in the connector housing fixedly, and the centre of main part 41 is equipped with the through-hole 411 that runs through around for it supplies the cable to pass behind the connector.

Specifically, a transition plane 43 is concavely arranged on the outer side of the rear end of the positioning plate 42, so that a vertically arranged step surface 44 is formed between the transition plane 43 and the front end of the positioning plate 42, one end of each of the three elastic buckles 421 is arranged on the step surface 44, and the other end of each of the elastic buckles 421 extends backwards and is arranged above the transition plane 43.

Specifically, the inner side of the positioning plate 42 is provided with two sliding grooves 422 extending along the length thereof at equal intervals for reducing the contact area between the positioning plate and the parts of the connector arranged at the inner sides of the two positioning plates, reducing the sliding friction force, and further facilitating the assembly and disassembly of the positioning rubber core.

Specifically, the inside and outside of spacer 42 front end tip all is equipped with chamfer inclined plane 423, reduces the thickness of spacer front end contact surface through two chamfer inclined planes, and the inclined plane has certain guide effect, and the front end of the spacer of being convenient for inserts in the connector housing to the installation of core is glued in convenient location.

Specifically, the outer side of the front end of the positioning piece 42 is an arc-shaped transition arc surface 424, and the middle part of the transition arc surface 424 is a plane 425, so that the transition arc surface can be better matched with a corner arc surface in the connector shell, and the positioning piece can be conveniently inserted into the connector shell; the three elastic buckles are arranged at intervals along the transition cambered surfaces, the middle elastic buckle corresponds to the plane 425, and the two elastic buckles respectively correspond to the transition cambered surfaces on the two sides of the plane 425 one by one.

In one embodiment of the present invention, one of the two positioning pieces is longer and shorter, and the connector housing with a corner can be better fitted by using the long and short structure, for example, the connector is integrally 120 degrees, the shorter positioning piece is fitted with the shorter part inside the corner, and the longer positioning piece is fitted with the longer part outside the corner.

The utility model discloses an in the embodiment, the location is glued the core and is adopted plastic integrated into one piece to make, is convenient for preparation and production, and is with low costs.

Example 2

As shown in fig. 1 to 8, the 120 ° non-adapter integrated connector structure shown in this embodiment includes a plug housing 1, where the plug housing 1 includes a plugging end 11 at a front end for plugging with a mating socket and a terminal 12 at a rear end for connecting with a cable 2, and an included angle between the plugging end 11 and the terminal 12 is 120 degrees, so that the plug housing has a corner of 120 degrees, which facilitates later plugging with the socket and avoids a problem of difficult plugging due to an influence of an external environment; a rubber core component 3 extending along the plugging end 11 and the wiring end 12 is arranged in the plug shell 1, namely, the rubber core component and the plug shell have the same structure with a 120-degree corner, and in order to facilitate the rubber core component to be arranged in the plug shell, a through hole 13 which penetrates through the plug shell from front to back is arranged in the plug shell, the size of the through hole at the plugging end is matched with the size of the front end of the rubber core component arranged in the plugging end, the size of the through hole at the wiring end is far larger than the maximum size of the rubber core component, after the rubber core component is arranged in the through hole, a larger gap exists between the two sides of the rubber core component and the inner wall of the through hole at the terminal end, thereby, a positioning rubber core 4 described in the embodiment 1 is arranged between the rear end of the rubber core component and the inner wall of the wiring end and is used for fixing the rubber core component 3, namely, the positioning rubber core is used for filling the gap between the rubber core component and the inner wall of the through hole and is matched with the plug shell for fixing; be equipped with connecting terminal 5 in the gluey core subassembly 3, connecting terminal 5's front end extends along the length direction of grafting end 11 and sets up and protrusion in gluey core subassembly 3 to make and form interface 14 between connecting terminal front end and the grafting end inner wall, connecting terminal 5's rear end extends along the length direction of wiring end 12 and sets up and with insert gluey core subassembly in cable 2 crimping together.

In this embodiment, the 120 ° non-switching integrated connector structure further includes a tail cover 6 tightly sleeved on the cable 2, the tail cover 6 is fastened with the inner side of the tail of the terminal 12 for clamping and locking the cable, and the connection reliability between the cable and the connection terminal is prevented from being affected by external tension; still be equipped with the suit in wiring end 12 the outer first waterproof circle 21 of cable 2, first waterproof circle 21 is located between location rubber core 4 and tail-hood 6, and the periphery of first waterproof circle 21 and the inner wall of wiring end 12 (being the inner wall of through-hole) butt for seal waterproof is carried out to the rear end of plug housing.

In this embodiment, the front end of the inserting end 11 is provided with a slot 111 for inserting, the slot is annularly arranged on the periphery of the inserting port 14, the periphery of the slot 111 is sleeved with a second waterproof ring 112 for preventing water after the inserting port is inserted into the socket shell, the outer side end of the slot 111 is sleeved with a pressing plate 7 which is used for pressing the front end of the rubber core component inwards in a buckling manner, and the outer side of the pressing plate 7 is clamped with a plurality of shielding sheets 8 arranged around the pressing plate 7.

Specifically, the upper and lower surfaces of the position corresponding to the terminal 11 in the rubber core assembly 3 are provided with positioning portions 31 which are symmetrical up and down, the upper and lower sides of the inner wall of the terminal 12 are respectively provided with a protruding portion 121 which is respectively abutted against the front ends of the two positioning portions 31 in a one-to-one correspondence manner, and the forward advancing direction of the rubber core assembly is blocked by utilizing the matching of the protruding portions and the positioning portions, so that the rubber core assembly is prevented from exceeding the mounting position forwards; the rear ends of the two positioning parts 31 are provided with outward first elastic buckles 311, the upper side and the lower side of the inner wall of the wiring end are respectively provided with first clamping grooves 122 which are correspondingly clamped with the two first elastic buckles 311 one by one, and the backward withdrawing direction of the rubber core assembly is blocked by utilizing the matching of the first elastic buckles and the first clamping grooves, so that the rubber core assembly is prevented from falling out after being assembled; therefore, the rubber core assembly is fixed in the plug shell by utilizing the combined structure of the plurality of buckling positions and positioning.

Specifically, the middle of the front end of the positioning portion 31 is provided with a positioning protrusion 312 with a small front end and a large rear end, the rear end of the stopping portion 121 is provided with a groove 123 for accommodating the positioning protrusion 312, and the positioning protrusion and the groove are matched to facilitate the identification and positioning of the rubber core assembly, so that the alignment assembly of the first elastic buckle 311 and the first clamping groove 122 is ensured.

Specifically, the rubber core assembly 3 comprises a lower rubber core 32 for fixing the connecting terminal 5 and an upper rubber core 33 covering the upper end of the lower rubber core 32, a second clamping groove 321 with an open upper end is formed in the inner side of the lower rubber core 32, a protruding portion 51 clamped with the second clamping groove 321 is convexly formed in the outer side of the connecting terminal 5, and after the front end of the connecting terminal penetrates through the rubber core assembly, the protruding portion 51 can be clamped into the second clamping groove 321 from top to bottom so as to fix the connecting terminal; the two positioning parts 31 are respectively arranged on the bottom surface of the lower rubber core 32 and the surface of the upper rubber core 33.

Specifically, the front end of the gluing core 33 is provided with two first buckles 331 at intervals in a protruding manner, the two sides of the rear end of the gluing core 33 are provided with a second buckle 332 in a protruding manner, and the lower gluing core 32 is provided with a plurality of third clamping grooves 322 which are respectively buckled with the first buckles 331 and the second buckles 332 in a one-to-one correspondence manner.

In this embodiment, the positioning rubber core 4 includes a main body 41 sleeved outside the cable 2 and abutted against the rear end of the rubber core assembly 3, and two positioning pieces 42 respectively disposed at two sides of the front end of the main body 41, and the two positioning pieces 42 respectively extend forward and are disposed at two sides of the rear end of the lower rubber core 32, that is, the two positioning pieces are used to fill the gap between the rubber core assembly and the inner wall of the through hole; the outer sides of the two positioning pieces 42 are respectively provided with three outward elastic buckles 421, and the inner wall of the wiring terminal 12 is provided with a fourth clamping groove 124 clamped with the elastic buckles 421 for fixing the positioning rubber core and further enhancing the fixing force on the rubber core component; it is equipped with a plurality of spouts 422 that extend the setting along its length in the inboard of spacer, reduces the contact area between spacer inboard and lower gluey core, reduces the frictional resistance when the location is glued the core and is inserted, the slip of the spacer of being convenient for.

Specifically, a transition plane 43 is concavely arranged on the outer side of the rear end of the positioning plate 42, so that a vertically arranged step surface 44 is formed between the transition plane 43 and the front end of the positioning plate 42, one end of each of three elastic buckles 421 is arranged on the step surface 44, and the other end of each elastic buckle 421 extends backwards and is arranged above the transition plane 43; the inner side and the outer side of the front end part of the positioning sheet 42 are both provided with a chamfer inclined plane 423, the thickness of the front contact surface of the positioning sheet is reduced through the two chamfer inclined planes, and the inclined planes have a certain guiding function, so that the insertion and installation of the positioning rubber core are facilitated; the outside of the front end of the positioning piece 42 is an arc-shaped transition arc surface 424, the middle part of the transition arc surface 424 is a plane 425, and the transition arc surface can be better matched with a corner arc surface in the plug shell, so that the positioning piece can be conveniently inserted into the plug shell.

The utility model discloses an in a specific embodiment, 120 integrative connector structure of non-switching is still including dismantling the outside handle 9 of locating plug housing 1 for plug housing fixes after inserting with supporting socket.

In one embodiment of the present invention, two through holes are provided in the plug housing for assembling the rubber core assembly and other corresponding parts, i.e. the positioning rubber core has a multi-opening structure with two insertion ports.

The specific assembly process of the plug component in the above embodiment is as follows: firstly, crimping a connecting terminal and a stripped cable together, secondly, installing a crimped terminal assembly into a lower rubber core, thirdly, covering an upper rubber core on the lower rubber core, fourthly, obliquely inserting the assembled rubber core assembly into a plug shell by utilizing a tool or manpower, pressing to the bottom to enable buckling positions on the upper rubber core and the lower rubber core to be clamped with corresponding clamping grooves in the plug shell, fifthly, installing a positioning rubber core in a pressing mode to enable buckles on the positioning rubber core to be clamped with corresponding clamping grooves in the plug shell, sixthly, installing and clamping a first waterproof ring and a tail cover, and seventhly, installing a second waterproof ring, a pressing plate and a shielding sheet in place in sequence to complete assembly.

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 (7)

1. A positioning rubber core is characterized by comprising a main body and two positioning sheets which are respectively arranged on two sides of the front end of the main body and extend forwards, wherein the two positioning sheets are arranged in parallel; the outside of two the spacer all is equipped with at least one elasticity buckle, the through-hole that runs through around being equipped with in the centre of main part.

2. The positioning rubber core according to claim 1, wherein a transition plane is concavely arranged on the outer side of the rear end of the positioning sheet, so that a vertically arranged step surface is formed between the transition plane and the front end of the positioning sheet, one end of the elastic buckle is arranged on the step surface, and the other end of the elastic buckle extends backwards and is arranged above the transition plane.

3. The positioning rubber core according to claim 2, wherein a plurality of sliding grooves are formed at intervals on the inner side of the positioning sheet and extend along the length of the positioning sheet.

4. The positioning rubber core according to any one of claims 1-3, wherein the inner and outer sides of the front end of the positioning piece are provided with chamfer slopes.

5. The positioning rubber core according to claim 4, wherein the outer side of the front end of the positioning sheet is an arc-shaped transition arc surface, and the middle part of the transition arc surface is a plane.

6. The positioning rubber core according to claim 4, wherein one of the two positioning sheets is longer and shorter.

7. The positioning rubber core according to claim 6, wherein the positioning rubber core is made of plastic by integral molding.

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