CN212124867U

CN212124867U - Novel rifle head charges

Info

Publication number: CN212124867U
Application number: CN202020558585.XU
Authority: CN
Inventors: 狄士春; 朱昊鹏
Original assignee: Xiangyi Automation Technology Shanghai Co ltd
Current assignee: Shanghai Zhida Technology Development Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-11
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a novel rifle head charges, including rifle head body, lid and sleeve behind the rifle head, rifle head body is connected with the sleeve, in telescopic one end was stretched into to the one end of rifle head body, this internal a plurality of terminals of installing of rifle head, in the one end of lid stretches into the one end of rifle head body behind the rifle head, the other end of lid is connected or looks butt behind the rifle head with the telescopic other end, install a plurality of terminal covers in the lid behind the rifle head, every terminal cover includes the terminal cover body, locate the hat spring in terminal cover body both ends respectively, the interface is pressed to the cable, the terminal is connected with hat the spring. The utility model discloses simple structure through adopting the crown spring to connect in the middle of rifle head and cable, both can satisfy overflowing, the temperature rise requirement of charging of interchange, direct current, when changing the rifle head, only need pull down the rifle head body, more renew can, crown spring and cable part can continue to use, the crimping change time of very big reduction cable to reduce the cable loss that brings from this, reduce cost improves work efficiency.

Description

Novel rifle head charges

Technical Field

The utility model relates to an electric automobile technical field that charges especially relates to a novel rifle head charges.

Background

Along with electric automobile's quick development, electric automobile is popularizing fast, and electric automobile quick charge becomes the key of automobile industry and energy industry development, fills electric pile's use more and more frequent, and the rifle head that charges is responsible for connecting electric automobile and fills electric pile, realizes filling electric pile and charges for electric automobile. According to the requirement of the industry, the service life of the charging gun head is 10000 times of plugging and unplugging, and the charging gun head needs to be forcibly replaced when exceeding the service life. The rifle head and the cable of charging are generally changed in the lump to the current change, waste time and energy, can cause great loss simultaneously, increase the manufacturing cost of enterprise.

Therefore, in view of the above technical problems, there is a need for a novel charging gun head.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a novel rifle head charges.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a novel rifle head charges, a serial communication port, lid and sleeve behind rifle head body, rifle head body with the sleeve is connected, the one end of rifle head body stretches into in the telescopic one end, this internal a plurality of terminals of installing of rifle head, the one end of lid stretches into behind the rifle head in the one end of rifle head body, the other end of lid behind the rifle head with telescopic other end is connected or looks butt, install a plurality of terminal covers behind the rifle head in the lid, every the terminal cover includes the terminal cover body, locates respectively crown spring, cable pressure interface in the terminal cover body both ends, the terminal with the crown spring is connected.

As a further improvement, the outer peripheral face of rifle head body is provided with first annular arch, first annular arch with telescopic one end is connected through at least one first screw, behind the rifle head the other end of lid with the telescopic other end is connected through at least one second screw.

As a further improvement, the outer peripheral face of rifle head body is provided with first annular arch, first annular arch with telescopic one end is connected through at least one first screw, be provided with at least one boss in the telescopic other end, the rifle head back cover the other end with at least one boss looks butt.

As a further improvement, the sleeve is provided with at least one limiting strip, the one end outer peripheral face of the gun head body is provided with at least one first limiting groove, and the other end outer peripheral face of the gun head rear cover is provided with at least one second limiting groove.

As a further improvement, this internal a plurality of first through-hole groups, every of rifle head first through-hole group is including the first through-hole, second through-hole, third through-hole and the fourth through-hole that are linked together in proper order, the aperture of first through-hole is greater than the aperture of second through-hole, the aperture of fourth through-hole, third through-hole, second through-hole reduces in proper order.

As a further improvement, the cover is provided with a plurality of second through-hole groups, every behind the rifle head the second through-hole group is including the fifth through-hole and the sixth through-hole that are linked together, the aperture of fifth through-hole is greater than the aperture of sixth through-hole.

As a further improvement, this internal third through-hole group that is provided with of terminal cover, the seventh through-hole that is linked together in proper order, eighth through-hole, ninth through-hole are drawn together to the third through-hole group, the aperture of seventh through-hole, the aperture of ninth through-hole all are less than the aperture of eighth through-hole.

As a further improvement, the terminal sleeve body comprises a first terminal sleeve body and a second terminal sleeve body which are connected, and the outer diameter of the first terminal sleeve body is larger than that of the second terminal sleeve body.

As a further improvement of the present invention, the terminal includes a terminal body, a protrusion provided on an outer peripheral surface of the terminal body, and a second annular protrusion provided on the outer peripheral surface of the terminal body, the second annular protrusion abutting against the first terminal sleeve.

As a further improvement, the first annular notch is arranged on the first annular protrusion, and a first sealing ring is arranged in the first annular notch.

The utility model has the advantages that:

the utility model discloses simple structure connects through adopting the crown spring in the middle of rifle head and cable, both can satisfy overflowing, the temperature rise requirement of charging of interchange, direct current, simultaneously, when changing the rifle head, only need pull down rifle head body, more renew can, crown spring and cable part can continue to use, the crimping change time of very big reduction cable to reduce the cable loss that brings from this, reduce cost improves work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a preferred embodiment of the present invention;

fig. 2 is a left side view of a first preferred embodiment of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a schematic structural diagram of a terminal cover according to a first preferred embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;

fig. 7 is a schematic structural diagram of a terminal according to a first preferred embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;

fig. 9 is a perspective view of a second preferred embodiment of the present invention;

fig. 10 is an exploded schematic view of a second preferred embodiment of the present invention;

fig. 11 is a left side view of a second preferred embodiment of the present invention;

FIG. 12 is a sectional view taken along line E-E of FIG. 11;

FIG. 13 is an enlarged view of H in FIG. 12;

FIG. 14 is a sectional view taken along line F-F of FIG. 11;

FIG. 15 is a sectional view taken along line G-G of FIG. 11;

fig. 16 is a schematic structural view of a sleeve according to a second preferred embodiment of the present invention;

fig. 17 is a side view of a sleeve according to a second preferred embodiment of the present invention.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Example one

As shown in fig. 1-4, a novel charging gun head comprises a gun head body 10, a gun head rear cover 12 and a sleeve 14, wherein the gun head body 10 is connected with the sleeve 14, one end of the gun head body 10 extends into one end of the sleeve 14, a plurality of terminals 16 are installed in the gun head body 10, one end of the gun head rear cover 12 extends into one end of the gun head body 10, the other end of the gun head rear cover 12 is connected with the other end of the sleeve 14, a plurality of terminal sleeves 18 are installed in the gun head rear cover 12, each terminal sleeve 18 comprises a terminal sleeve body 20, crown springs 22 and cable press interfaces 24, the crown springs 22 are respectively arranged at two ends of the terminal sleeve body 20, and the terminals 16 are connected with the crown springs 22.

Preferably, the outer peripheral surface of gun head body 10 is provided with a first annular protrusion 26, first annular protrusion 26 is connected with one end of sleeve 14 through at least one first screw 28, and the other end of gun head rear cover 12 is connected with the other end of sleeve 14 through at least one second screw 30, so that stable positioning among gun head body 10, gun head rear cover 12 and sleeve 14 is realized. In this embodiment, the number of the first screws 28 and the second screws 30 is four.

Preferably, a plurality of first through hole groups are arranged in the lance head body 10, each first through hole group comprises a first through hole 32, a second through hole (not shown in the figure), a third through hole 34 and a fourth through hole 36 which are communicated in sequence, the aperture of the first through hole 32 is larger than that of the second through hole, the apertures of the fourth through hole 36, the third through hole 34 and the second through hole are reduced in sequence, the front end 38 of the terminal 16 sequentially penetrates through the fourth through hole 36, the third through hole 34 and the second through hole and extends into the first through hole 32, and the rear end 40 of the terminal 16 penetrates through the crown spring 22 and is limited by the crown spring 22.

Preferably, a plurality of second through hole groups are arranged in the gun head rear cover 12, each second through hole group comprises a fifth through hole 42 and a sixth through hole 44 which are communicated, and the aperture of the fifth through hole 42 is larger than that of the sixth through hole 44, so that the terminal sleeve 18 can be conveniently placed in and the terminal sleeve 18 can be conveniently limited.

In this embodiment, the rear cover 12 includes a first rear cover 46, a second rear cover 48, and a third rear cover 50, which are connected in sequence, the outer diameters of the first rear cover 46, the second rear cover 48, and the third rear cover 50 are sequentially reduced, the first rear cover 46 is connected to the other end of the sleeve 10 by the second screw 30, the second rear cover 48 is located in the sleeve 14, and the third rear cover 50 extends into the fourth through hole 36.

In order to improve the fastening nature of crown spring 22 in terminal cover body 20, the utility model discloses be provided with the third through-hole group in the preferred terminal cover body 20, the third through-hole group is including the seventh through-hole 52, eighth through-hole 54, ninth through-hole 56 that are linked together in proper order, the aperture of seventh through-hole 52, the aperture of ninth through-hole 56 all is less than the aperture of eighth through-hole 54, the both ends of crown spring 22 are blockked by the first step 58 that seventh through-hole 52 and eighth through-hole 54 formed, the second step 60 that ninth through-hole 56 and eighth through-hole 54 formed respectively, avoid crown spring 22's removal, the rear end 40 of terminal 16 stretches into in the ninth through-hole 56. It is further preferable that the diameter of seventh through hole 52 be the same as the diameter of ninth through hole 56 to facilitate mounting of crown spring 22 and terminal 16.

As shown in fig. 5 and 6, the terminal sleeve body 20 of the present invention preferably includes a first terminal sleeve body 62 and a second terminal sleeve body 64 connected together, and the outer diameter of the first terminal sleeve body 62 is greater than the outer diameter of the second terminal sleeve body 64.

As shown in fig. 7 and 8, the terminal 16 includes a terminal body 66 and a second annular protrusion 68 convexly disposed on an outer peripheral surface of the terminal body 66, the second annular protrusion 68 is disposed in the third through hole 34, the second annular protrusion 68 abuts against the first terminal sleeve body 62, and the second annular protrusion 68, the fifth through hole 42 of the gun head rear cover 12, and a third step 70 formed by the sixth through hole 44 are respectively used for limiting two axial ends of the first terminal sleeve body 62, so that the terminal sleeve body 20 is stopped and limited, and the stability of the terminal sleeve body 20 is improved.

In order to improve the sealing performance, the present invention preferably provides a first annular gap 72 on the first annular protrusion 26, and a first sealing ring 74 is disposed in the first annular gap 72. A second annular gap 76 is provided in the outer peripheral surface of the first lance tip rear cover 46, and a second sealing ring (not shown) is provided in the second annular gap 76. A third sealing ring (not shown) is disposed at the position where the third step 70 is matched with the first terminal sleeve 62. A fourth sealing ring (not shown in the figure) is arranged at the matching position of the fourth step 78 formed by the third through hole 34 and the second through hole of the lance tip body 10 and the second annular bulge 68.

In this embodiment, the number of the terminals 16, the number of the first through hole groups, and the number of the second through hole groups are all nine, the sizes of the nine terminals 16 are not completely the same, and the sizes of the first through hole groups and the second through hole groups are adjusted according to the size of the terminals 16. The size of crown spring 22 is selected according to the size of terminal 16; the diameter and depth of the cable press interface 24 are set according to the wire diameter of the cable, and the cable is pressed at the cable press interface 24. During charging, the front ends 38 of the terminals 16 are inserted into the charging dock and connected to the contacts of the charging dock for charging. When replacement is required, the first screw 28 is simply loosened and the lance tip body 10 is removed from the sleeve 14 for replacement.

Example two

As shown in fig. 9-13, a novel charging gun head comprises a gun head body 10, a gun head rear cover 90 and a sleeve 92, wherein the gun head body 10 is connected with the sleeve 92, one end of the gun head body 10 extends into one end of the sleeve 92, a plurality of terminals 94 are installed in the gun head body 10, one end of the gun head rear cover 90 extends into one end of the gun head body 10, the other end of the gun head rear cover 90 is abutted against the other end of the sleeve 92, a plurality of terminal sleeves are installed in the gun head rear cover 90, each terminal sleeve comprises a terminal sleeve body 96, a crown spring 22 and a cable pressing interface 24, the crown springs 22 are respectively arranged at two ends of the terminal sleeve body 96, and the terminals 94 are connected with the crown springs 22.

As shown in fig. 14 and 15, the outer circumferential surface of the lance tip body 10 is provided with a first annular protrusion 26, the first annular protrusion 26 is connected with one end of the sleeve 92 through at least one first screw 28, the other end of the sleeve 92 is provided with at least one boss 98, and the other end of the lance tip rear cover 90 abuts against the at least one boss 98. In this embodiment, the number of the first screws 28 and the bosses 98 is four.

As shown in fig. 16 and 17, in this embodiment, it is preferable that at least one limiting strip 99 is disposed in the sleeve 92, at least one first limiting groove 100 is disposed on an outer peripheral surface of one end of the lance tip body 10, at least one second limiting groove 101 is disposed on an outer peripheral surface of the other end of the lance tip rear cover 90, and the limiting strip 99 is clamped in the first limiting groove 100 and the second limiting groove 101, so as to circumferentially limit the lance tip body 10 and the lance tip rear cover 90.

Preferably, a plurality of first through hole groups are arranged in the lance head body 10, each first through hole group comprises a first through hole 32, a second through hole (not shown in the figure), a third through hole 34 and a fourth through hole 36 which are communicated in sequence, the aperture of the first through hole 32 is larger than that of the second through hole, the apertures of the fourth through hole 36, the third through hole 34 and the second through hole are reduced in sequence, the front end 102 of the terminal 94 sequentially penetrates through the fourth through hole 36, the third through hole 34 and the second through hole and extends into the first through hole 32, and the rear end 104 of the terminal 94 penetrates through the crown spring 22 and is limited by the crown spring 22.

Preferably, a plurality of second through hole groups are arranged in the lance head rear cover 90, each second through hole group comprises a fifth through hole 42 and a sixth through hole 44 which are communicated, and the aperture of the fifth through hole 42 is larger than that of the sixth through hole 44, so that the terminal sleeve 96 can be conveniently placed in and the terminal sleeve 96 can be conveniently limited.

In this embodiment, the lance tip rear cover 90 includes a first lance tip rear cover body 106 and a second lance tip rear cover body 108 that are connected in sequence, an outer diameter of the first lance tip rear cover body 106 is larger than an outer diameter of the second lance tip rear cover body 108, the first lance tip rear cover body 106 is located in the sleeve 92 and abuts against the boss 98, and the second lance tip rear cover body 108 extends into the fourth through hole 36.

In order to improve the fastening nature of crown spring 22 in terminal cover body 96, the utility model discloses be provided with the third through-hole group in the preferred terminal cover body 96, the third through-hole group is including the seventh through-hole 52, eighth through-hole 54, ninth through-hole 56 that are linked together in proper order, the aperture of seventh through-hole 52, the aperture of ninth through-hole 56 all is less than the aperture of eighth through-hole 54, the both ends of crown spring 22 are blockked by the first step 58 that seventh through-hole 52 and eighth through-hole 54 formed, the second step 60 that ninth through-hole 56 and eighth through-hole 54 formed respectively, avoid crown spring 22's removal, the rear end 104 of terminal 94 stretches into in the ninth through-hole 56. It is further preferable that the diameter of seventh through hole 52 be the same as the diameter of ninth through hole 56 to facilitate mounting of crown spring 22 and terminal 94.

The utility model discloses preferred terminal cover body 96 is including the first terminal cover body 110 and the second terminal cover body 112 that are connected, and the external diameter of the first terminal cover body 110 is greater than the external diameter of the second terminal cover body 112.

The terminal 94 includes a terminal body 114 and a second annular protrusion 116 protruding on the outer peripheral surface of the terminal body 114, the second annular protrusion 116 abuts against the first terminal sleeve body 110, the second annular protrusion 116, a third step 70 formed by the fifth through hole 42 and the sixth through hole 44 of the gun head rear cover 90 are respectively used for limiting two axial ends of the first terminal sleeve body 110, the second annular protrusion 116 is placed in the third through hole 34, and the fourth step 78 formed by the third through hole 34 and the second through hole of the gun head body 10 abuts against the second annular protrusion 116, so that the terminal sleeve body 96 is limited in stopping, and the stability of the terminal sleeve body 96 is improved.

In order to improve the sealing performance, the present invention preferably provides a first annular gap 72 on the first annular protrusion 26, and a first sealing ring 74 is disposed in the first annular gap 72.

In this embodiment, the number of the terminals 94, the first through hole group, and the second through hole group is nine, the size of the nine terminals 94 is not completely the same, and the size of the first through hole group and the size of the second through hole group are adjusted according to the size of the terminals 94. The size of crown spring 22 is selected according to the size of terminal 94; the diameter and depth of the cable press interface 24 are set according to the wire diameter of the cable, and the cable is pressed at the cable press interface 24. During charging, the front ends 102 of the terminals 94 are inserted into the charging dock and connected to the charging dock contacts for charging. When replacement is required, the gun head body 10 is removed from the sleeve 92 for new installation by simply loosening the first screws 28.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel rifle head charges, a serial communication port, lid and sleeve behind rifle head body, rifle head body with the sleeve is connected, the one end of rifle head body stretches into in the telescopic one end, this internal a plurality of terminals of installing of rifle head, the one end of lid stretches into behind the rifle head in the one end of rifle head body, the other end of lid behind the rifle head with telescopic other end is connected or looks butt, install a plurality of terminal covers behind the rifle head in the lid, every the terminal cover includes the terminal cover body, locates respectively crown spring, cable pressure interface in the terminal cover body both ends, the terminal with the crown spring is connected.

2. The novel charging gun head according to claim 1, wherein a first annular protrusion is arranged on the outer peripheral surface of the gun head body, the first annular protrusion is connected with one end of the sleeve through at least one first screw, and the other end of the gun head rear cover is connected with the other end of the sleeve through at least one second screw.

3. The novel charging gun head according to claim 1, wherein a first annular protrusion is arranged on the outer peripheral surface of the gun head body, the first annular protrusion is connected with one end of the sleeve through at least one first screw, at least one boss is arranged in the other end of the sleeve, and the other end of the gun head rear cover abuts against the at least one boss.

4. The novel charging gun head according to claim 3, wherein at least one limiting strip is arranged in the sleeve, at least one first limiting groove is formed in the outer peripheral surface of one end of the gun head body, and at least one second limiting groove is formed in the outer peripheral surface of the other end of the gun head rear cover.

5. A novel charging gun head according to any one of claims 1 to 4, characterized in that a plurality of first through hole groups are provided in the gun head body, each first through hole group comprises a first through hole, a second through hole, a third through hole and a fourth through hole which are communicated in sequence, the diameter of each first through hole is larger than that of each second through hole, and the diameters of each fourth through hole, each third through hole and each second through hole are reduced in sequence.

6. A novel charging gun head according to claim 5, characterized in that a plurality of second through hole groups are arranged in the rear cover of the gun head, each second through hole group comprises a fifth through hole and a sixth through hole which are communicated with each other, and the diameter of the fifth through hole is larger than that of the sixth through hole.

7. The novel charging gun head according to claim 6, wherein a third through hole group is arranged in the terminal sleeve, the third through hole group comprises a seventh through hole, an eighth through hole and a ninth through hole which are sequentially communicated, and the aperture of the seventh through hole and the aperture of the ninth through hole are smaller than the aperture of the eighth through hole.

8. The novel charging gun head as claimed in claim 7, wherein the terminal sleeve body comprises a first terminal sleeve body and a second terminal sleeve body which are connected, and the outer diameter of the first terminal sleeve body is larger than that of the second terminal sleeve body.

9. The novel charging gun head according to claim 8, wherein the terminal comprises a terminal body and a second annular projection protruding from an outer peripheral surface of the terminal body, and the second annular projection abuts against the first terminal sleeve.

10. A novel charging gun head according to claim 2 or 3, characterized in that a first annular gap is provided on the first annular projection, and a first sealing ring is provided in the first annular gap.