CN209133778U - A kind of enhancing cable pulls the connector construction of resistance - Google Patents

Abstract

The utility model discloses the connector constructions that a kind of enhancing cable pulls resistance, the cable being set in the housing including shell and one end, the intracorporal cable and damper ends of the shell are placed in equipped with terminal, it is equipped with and is connected and at 90 degree of transverse holes and longitudinal hole in the shell, in the inner end of the transverse holes, engaging is equipped with rear shielding case, engaging is equipped with back core in shielding case after described, the terminal engaging is set in the back core, insertion hole is equipped in the back core at the position of the correspondence longitudinal hole, the aperture in the insertion hole is equipped with the flange of outwardly convex；Preceding glue core is equipped in the longitudinal hole, the upper end of the preceding glue core is equipped with the inserting groove mating with the flange.What the utility model connector construction can effectively enhance cable pulls resistance, improves the reliability and safety of connector.

Description

A kind of enhancing cable pulls the connector construction of resistance

Technical field

The utility model relates to the connector knots that connector technique field more particularly to a kind of enhancing cable pull resistance Structure.

Background technique

As fuel oil, mixed power and the manufacturing fast development of pure electric automobile, the requirement to electrical connector interface are more next It is higher；In existing connector construction, mainly includes shell, engages the glue core and line connected to the housing being set in the housing Cable is crimped in cable and is placed in the intracorporal terminal of shell, and the fixed form of cable and shell is commonly to be arranged in glue in-core and block It is fixed after pawl with terminal, and is equipped with tail button and shell fastening in the outside of cable；In above-mentioned connection structure, tail button and shell And the binding force between glue core and shell can be smaller, and when cable is by the biggish pulling force being pulled outwardly, tail button and glue Core is easy to separate with shell, is drawn out cable integrally with glue core, and reliability is insufficient, and the claw for engaging terminal is independent Object and there is certain elasticity, the influence for being also easy under tension is deformed to making cable be drawn out, and safety is not Foot.

Utility model content

The utility model is directed to above-mentioned existing technological deficiency, provides a kind of connector knot for enhancing cable and pulling resistance Structure, can effectively enhance cable pulls resistance, improves the reliability and safety of connector.

In order to solve the above-mentioned technical problem, the utility model provides a kind of connector knot for enhancing cable and pulling resistance Structure is placed in the intracorporal cable and damper ends of the shell equipped with terminal, in the shell including the cable that shell and one end are set in the housing Equipped with being connected and at 90 degree of transverse holes and longitudinal hole, in the inner end of the transverse holes, engaging is equipped with rear shielding case, described Engaging is equipped with back core in shielding case afterwards, and the terminal engaging is set in the back core, in the back core described in the correspondence Insertion hole is equipped at the position of longitudinal hole, the aperture in the insertion hole is equipped with the flange of outwardly convex；It is equipped in the longitudinal hole The upper end of preceding glue core, the preceding glue core is equipped with the inserting groove mating with the flange.

Preferably, it is successively arranged shading ring, water proof ring and tail button, the tail button outward by interior between the cable and shell Outside and the shell fasten, it is described after shielding case abutted with the shading ring.

Preferably, the outboard end of shielding case is equipped with the back-off to bend inwards in the back core after described, it is described fall Button is abutted with the periphery of the shading ring.

Preferably, be equipped with opening after described in shielding case at the correspondence insertion hole, the two sides of the opening equipped with to The elastic foot of inner bending；Preceding shielding case is arranged with outside the preceding glue core, the upper end of the preceding shielding case is inserted into the opening simultaneously It is abutted with the elastic foot.

Preferably, the bottom of the back core is equipped with the sliding groove cooperated with the elastic foot, the upper end of the preceding glue core If the two sides of the back core are equipped with the groove for accommodating the ear there are two symmetrically arranged ear.

Preferably, the outside of the ear is equipped with the first card slot, and the rear shielding case is equipped with and the first card slot card The first elastic slice closed；The inner wall of the inner end of the transverse holes be equipped with the second card slot, it is described after shielding case upper end be equipped with to Outer bending and the second elastic slice engaged with second card slot；The periphery of the back core is equipped with third card slot, shields after described Cover is equipped with the third elastic slice engaged with the third card slot.

Preferably, the preceding glue in-core is equipped with conversion terminal, and the upper end of the conversion terminal is inserted into the back core simultaneously It is connect with the terminal.

Preferably, the upper end of the conversion terminal is equipped with connecting hole, and the terminal is plugged in the connecting hole；Described turn The lower end of connecting terminal is equipped with spliced eye.

Preferably, the back core includes front end with the plug division for being inserted into hole and after being sticked in the plug division The fixed part at end, the periphery of the terminal are equipped with cone slot, and the inside of described fixed part one end, which is integrally formed, to be equipped with and the cone slot The elastic claw of engaging.

Preferably, handle is additionally provided on the outside of the shell.

The utility model has the following beneficial effects:

The utility model by the way that back core and preceding glue core is respectively set being connected in transverse holes and longitudinal hole at 90 degree, and Back core and preceding glue core are mutually inserted engaging by flange and inserting groove, and glue wick feed gives the fixation of one longitudinal direction of back core before making Power, can prevent cable to be drawn out easily when subjected to tension, effectively enhance the resistance that pulls of cable, and back core is that engaging is solid Due in rear shielding case, then shielding case is engaged again in transverse holes, when cable under tension, makes to shield by shell Cover and back core further prevent cable to be pulled to the terminal of cable and damper ends application resistance；And in the fixed part in back core Elastic claw for the terminal that is fixed is made with fixed part integrated molding, can reduce after engaging and stress deformation occurs The problem of, improve the reliability of snap-in structure；And be additionally provided with the groove in ear and back core on preceding glue core and cooperate, it increases Engaging area and binding force between preceding glue core and back core, further enhance cable pulls resistance.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, It does not constitute improper limits to the present invention, in the accompanying drawings:

Fig. 1 is the schematic diagram of connector in embodiment；

Fig. 2 is the sectional view of connector in embodiment；

Fig. 3 is the schematic diagram that back core and preceding glue core plug together in embodiment；

Fig. 4 is the schematic diagram of rear shielding case in embodiment；

Fig. 5 is the schematic diagram of fixed part in embodiment；

Fig. 6 is the schematic diagram of plug division in embodiment；

Fig. 7 is the schematic diagram of preceding glue core in embodiment.

Specific embodiment

In order to more fully understand the technology contents of the utility model, below in conjunction with attached drawing and specific embodiment to this Utility model is described further and illustrates.

Embodiment 1

As shown in Figures 1 to 7, a kind of connector construction for enhancing cable and pulling resistance shown in the present embodiment, including one Body formed in perpendicular shape shell 1 and one end are set to the cable 2 in shell 1, are placed in 2 end of cable in shell 1 equipped with terminal 21, the transverse holes 11 being connected and longitudinal hole 12 are respectively equipped in two right-angle sides of shell 1, are engaged in the inner end of transverse holes 11 It is the rear shielding case 3 of opening equipped with both ends, engaging is equipped with back core 4 in rear shielding case 3, and the engaging of terminal 21 is set to back core 4 It is interior, insertion hole 41 is equipped in back core 4 at the position towards longitudinal hole 12, the aperture in insertion hole 41 is equipped with the convex of outwardly convex Edge 411；It is equipped with the preceding glue core 5 being vertically arranged in longitudinal hole 12, the upper end of preceding glue core 5 is equipped with and flange 411 is mating inserts Access slot 51；By flange and inserting groove plug together and resistance that rear shielding case gives back core collectively forms the fixation of back core Power, can effectively enhance cable pulls resistance, prevents from being drawn out easily when cable and back core under tension, improves connector Reliability and safety.

Specifically, being successively arranged the shading ring 6 for being socketed in 2 periphery of cable, waterproof outward by interior between cable and shell Circle 7 and tail button 8, the outside of tail button 8 and shell 1 fasten, and tail button is for further pushing down cable；Shielding case 3 is supported with shading ring 6 afterwards It connects, forms shielding connection.

Specifically, the outboard end of rear shielding case 3 is circumferentially spaced apart and bends inwards in back core 4 equipped with multiple Back-off 31, back-off back core is limited in rear shielding case, prevent from being drawn out；All back-offs 31 are flexible elastic slices And abutted with the periphery of shading ring 6, the contact area of shielding connection is increased, the reliability of shielding connection is improved；After shield It is equipped with opening 36 at corresponding insertion hole 41 in cover 3,31 two sides of being open are equipped with multiple elastic foots 32 to bend inwards；Preceding glue Shielding case 9 before being arranged with outside core 5 abuts in the upper end insertion opening 36 of preceding shielding case 9 and with elastic foot 32, to make preceding shielding Cover and rear shielding case and shading ring three form reliable shielding and connect.

Specifically, being equipped with the sliding groove 42 cooperated with elastic foot 32 in the bottom of back core 4, shield after back core is installed on When covering in cover, the installation of elastic foot obstruction back core is positioned and prevented by the cooperation of sliding groove and elastic foot；Preceding glue core 5 Upper end set there are two symmetrically arranged ear 52, the two sides of back core 4 are equipped with the groove 43 for accommodating ear 52, increase preceding glue Engaging area between core and back core, improves binding force between the two, and further effectively enhance cable pulls resistance； It is equipped with the first card slot 521 in the outside of ear 52, bend inwards first for being equipped with and engaging with the first card slot 521 on rear shielding case 3 Elastic slice 33；The inner wall of the inner end of transverse holes 11 is equipped with the second card slot 111, and the upper end of rear shielding case 3 is equipped with outward bending simultaneously The second elastic slice 34 engaged with the second card slot 111；The bottom of back core 4 is equipped with third card slot 44, bends inwards on rear shielding case 3 Equipped with the third elastic slice 35 engaged with third card slot 44；Above structure makes between shell, rear shielding case, back core and preceding glue core Constitute the structure being mutually clamped, it is ensured that the fixed force of back core prevents back core to be drawn out.

Specifically, be additionally provided with conversion terminal 10 in preceding glue core 5, in the upper end insertion back core 4 of conversion terminal 10 and with end Son 21 connects；The upper end of conversion terminal 10 is equipped with connecting hole 101, and the front end of terminal is plugged in connecting hole, conversion terminal 10 Lower end is equipped with spliced eye 102, for carrying out grafting with external socket.

As shown in Figure 3, Figure 5 and Figure 6, back core 4 includes front end with the insertion plug division 45 in hole 41 and consolidating for rear end Determine portion 46, the bottom of plug division 45 and fixed part 46 is equipped with sliding groove 42；The front end engaging of fixed part 46 is sheathed on plug division In 45, specifically, being equipped with buckle 462 in 46 front end two sides of fixed part, in plug division, 45 rear end sides are equipped with and engage with buckle 462 Bayonet 451, after the two snapping, so that plug division and fixed part is formed a connection whole, by plug division to fixed part offer One effectively pulls resistance, and then this is pulled drag effect on cable by fixed part；It is equipped in the periphery of terminal 21 Cricoid cone slot 211, the inside of 46 front end of fixed part are integrally formed to be equipped with and multiple are circumferentially spaced apart and engage with cone slot 211 Elastic claw 461, all elastic claw constitutes the holding section of cone cell, is fixed for preferably realizing with cone slot, and can have The outer drawing resistance that effect ensures that terminal is subject to is reliable.

Specifically, the outside of shell 1, which also engages, is equipped with handle 13.

The specific assembling process of connector in above-described embodiment are as follows: first by terminal compression joint in the end of cable, shading ring is prevented Hydrosphere and tail-hood are successively set on cable；Back core is installed in rear shielding case, rear shielding case is then inserted into transverse holes In, engage rear shielding case with shell；Glue in-core before conversion terminal is installed on, then preceding glue core is loaded in preceding shielding case, so The whole insertion longitudinal hole of preceding shielding case and preceding glue core composition is interior afterwards and engages, and one end of terminal will be finally crimped on cable It penetrates in transverse holes, and terminal is fastened in back core and connect with conversion terminal, finally fastens tail button and shell, completion group Dress.

Technical solution provided by the utility model embodiment is described in detail above, it is used herein specifically A example is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to help Assistant solves the principle of the utility model embodiment；At the same time, for those skilled in the art is implemented according to the utility model Example, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be construed as Limitations of the present invention.

Claims (10)

1. the connector construction that a kind of enhancing cable pulls resistance, which is characterized in that be set in the housing including shell and one end Cable is placed in the intracorporal cable and damper ends of the shell equipped with terminal, be equipped in the shell be connected and at 90 degree of transverse holes with Longitudinal hole, in the inner end of the transverse holes, engaging is equipped with rear shielding case, and engaging is equipped with back core in the rear shielding case, described Terminal engaging is set in the back core, is equipped with insertion hole in the back core at the position of the correspondence longitudinal hole, described The aperture for being inserted into hole is equipped with the flange of outwardly convex；Be equipped with preceding glue core in the longitudinal hole, the upper end of the preceding glue core be equipped with The mating inserting groove of the flange.

2. the connector construction that enhancing cable according to claim 1 pulls resistance, which is characterized in that the cable and shell It is successively arranged shading ring, water proof ring and tail button outward by interior between body, the outside of the tail button and the shell fasten, after described Shielding case is abutted with the shading ring.

3. the connector construction that enhancing cable according to claim 2 pulls resistance, which is characterized in that shielding case after described Outboard end be equipped with the back-off that bends inwards in the back core, the back-off is abutted with the periphery of the shading ring.

4. the connector construction that enhancing cable according to claim 3 pulls resistance, which is characterized in that shielding case after described In opening is equipped at the correspondence insertion hole, the two sides of the opening are equipped with the elastic foot to bend inwards；Outside the preceding glue core It is arranged with preceding shielding case, is abutted in the upper end insertion opening of the preceding shielding case and with the elastic foot.

5. the connector construction that enhancing cable according to claim 4 pulls resistance, which is characterized in that the back core Bottom is equipped with the sliding groove that cooperate with the elastic foot, the upper end of the preceding glue core set there are two symmetrically arranged ear, it is described The two sides of back core are equipped with the groove for accommodating the ear.

6. the connector construction that enhancing cable according to claim 5 pulls resistance, which is characterized in that outside the ear Side is equipped with the first card slot, and the rear shielding case is equipped with the first elastic slice engaged with first card slot；The transverse holes it is interior The inner wall of side is equipped with the second card slot, it is described after the upper end of shielding case be equipped with outward bending and engage with second card slot Second elastic slice；The periphery of the back core is equipped with third card slot, it is described after shielding case be equipped with and engage with the third card slot Third elastic slice.

7. the connector construction that enhancing cable according to claim 6 pulls resistance, which is characterized in that the preceding glue in-core Equipped with conversion terminal, the upper end of the conversion terminal is inserted into the back core and is connect with the terminal.

8. the connector construction that enhancing cable according to claim 7 pulls resistance, which is characterized in that the conversion terminal Upper end be equipped with connecting hole, the terminal is plugged in the connecting hole；The lower end of the conversion terminal is equipped with spliced eye.

9. the connector construction that enhancing cable according to claim 8 pulls resistance, which is characterized in that the back core packet Front end is included with the plug division for being inserted into hole and the fixed part for being sticked in the plug division rear end, the periphery of the terminal is set There is cone slot, the inside of described fixed part one end is integrally formed the elastic claw for being equipped with and engaging with the cone slot.

10. -9 described in any item enhancing cables pull the connector construction of resistance according to claim 1, which is characterized in that institute It states and is additionally provided with handle on the outside of shell.