CN219627025U

CN219627025U - Lock catch assembly and charging gun

Info

Publication number: CN219627025U
Application number: CN202320324383.2U
Authority: CN
Inventors: 张海; 李钊; 高宁; 郑晋; 常江; 李宁; 王伟
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-01
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to the technical field of charging guns, in particular to a lock catch assembly and a charging gun. The lock catch assembly comprises a lock catch piece, wherein one end of the lock catch piece is provided with a lock hook, the other end of the lock catch piece is provided with a button, a hinge part used for being hinged on the charging gun shell is arranged between the lock hook and the button on the lock catch piece, the lock catch assembly further comprises a spring piece fixed on the lock catch piece, the spring piece is provided with a overhanging end, and a jacking part used for jacking on the charging gun shell is arranged on the overhanging end. The spring piece can play the same role as a pressure spring or a torsion spring in the prior art, but the spring pieces cannot be wound together, and can be easily separated on a vibration disk, so that the influence on the working efficiency is avoided.

Description

Lock catch assembly and charging gun

Technical Field

The utility model relates to the technical field of charging guns, in particular to a lock catch assembly and a charging gun.

Background

The locking piece is a key component part of the charging gun, and is used for locking the charging gun at a charging position of the electric automobile when the charging gun charges the electric automobile.

At present, two modes of locking the locking piece are available: one is to apply elastic force to the locking piece by using a pressure spring so as to lock the charging gun when the electric automobile is charged, such as the electric automobile quick-change low-power direct-current charging gun with overcurrent protection disclosed in Chinese patent with the publication number of CN 213460347U. Another is to apply an elastic force to the locking member by using a torsion spring to lock the charging gun when charging the electric vehicle, such as the ac charging gun disclosed in the chinese patent publication No. CN 206171223U.

In order to realize automated production, the material is generally conveyed through the vibration disc, and as the pressure spring and the torsion spring are both helical springs, the pressure spring and the pressure spring as well as the torsion spring and the torsion spring are easy to wind together and are not easy to separate through the vibration disc, so that the working efficiency is influenced.

Disclosure of Invention

The utility model aims to provide a lock catch assembly to solve the problem that a pressure spring or a torsion spring applying elasticity to a lock catch piece in the prior art is not easy to separate through a vibration disc; the utility model also aims to provide a charging gun for solving the problems.

In order to achieve the above purpose, the technical scheme of the latch assembly of the utility model is as follows:

the lock catch assembly comprises a lock catch piece, wherein one end of the lock catch piece is provided with a lock hook, the other end of the lock catch piece is provided with a button, a hinge part used for being hinged on the charging gun shell is arranged between the lock hook and the button on the lock catch piece, the lock catch assembly further comprises a spring piece fixed on the lock catch piece, the spring piece is provided with a overhanging end, and a jacking part used for jacking on the charging gun shell is arranged on the overhanging end.

The beneficial effects are that: the spring piece can play the same role as a pressure spring or a torsion spring in the prior art, but the spring pieces cannot be wound together, and can be easily separated on a vibration disk, so that the influence on the working efficiency is avoided.

As a further improvement, the pressing part is a cambered surface pressing part.

The beneficial effects are that: because the spring leaf is in the deformation process, the roof pressure portion can take place to remove for charging gun casing, and designs into arc roof pressure portion with roof pressure portion, can guarantee the smoothness nature that removes, avoids taking place the jamming phenomenon.

As a further improvement, the spring piece is detachably fixed on the locking piece.

The beneficial effects are that: the design is convenient for the replacement of the spring piece.

As a further improvement, the spring piece is detachably fixed on the locking piece through a fixing screw.

The beneficial effects are that: the design ensures the stability of the spring piece after being fixed.

As a further development, the spring leaf is located between the locking hook and the hinge.

The beneficial effects are that: the design is beneficial to the arrangement of the spring piece.

As a further improvement, the locking piece is provided with a mounting groove extending along the length direction of the locking piece, and the side walls of the grooves on the two sides of the mounting groove are respectively provided with a positioning rib for positioning the spring piece.

The beneficial effects are that: the design is beneficial to ensuring the position accuracy on the spring piece.

As a further improvement, one end of the positioning rib, which is far away from the bottom wall of the groove of the mounting groove, is provided with a guiding inclined surface for guiding the spring piece to enter between the two positioning ribs.

The beneficial effects are that: by the design, the spring piece can quickly enter between the two positioning ribs, and the assembly efficiency is improved.

As a further improvement, the locking piece is provided with an installation groove extending along the length direction of the locking piece, the bottom wall of the installation groove is provided with a main reinforcing rib and auxiliary reinforcing ribs arranged on two sides of the main reinforcing rib, the main reinforcing rib is arranged along the length direction of the locking piece, and the auxiliary reinforcing rib is connected with the main reinforcing rib and the side wall of the installation groove.

The beneficial effects are that: by the design, the structural strength of the mounting groove can be improved.

As a further improvement, the auxiliary reinforcing ribs on two sides of the main reinforcing rib are respectively provided with more than two auxiliary reinforcing ribs along the length direction of the locking piece.

The beneficial effects are that: further improving the structural strength of the mounting groove.

In order to achieve the above purpose, the technical scheme of the charging gun of the utility model is as follows:

the charging gun comprises a charging gun shell and a lock catch assembly, wherein the lock catch assembly comprises a lock catch piece in a strip shape, one end of the lock catch piece is provided with a lock hook, the other end of the lock catch piece is provided with a button, a hinge part hinged on the charging gun shell is arranged between the lock hook and the button on the lock catch piece, the lock catch assembly further comprises a spring piece fixed on the lock catch piece, the spring piece is provided with an overhanging end, and a jacking part jacking the charging gun shell is arranged on the overhanging end.

Drawings

FIG. 1 is a schematic diagram of a charging gun according to the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of the latch assembly of FIG. 1;

fig. 4 is a schematic view of the structure of fig. 3 with the leaf spring removed.

In the figure: 11. a top housing; 12. a main housing; 13. a locking piece; 14. a hinge shaft; 15. a latch hook; 16. a button; 17. a spring piece; 18. a fixing screw; 19. a curved section; 20. a hinge hole; 21. positioning ribs; 22. a main reinforcing rib; 23. auxiliary reinforcing ribs; 24. and (3) a threaded hole.

Detailed Description

The features and capabilities of the present utility model are described in further detail below in connection with the examples.

Example 1 of the charging gun of the present utility model:

as shown in fig. 1 to 4, the charging gun includes a charging gun housing including a top housing 11 and a main housing 12, and a latch assembly disposed between the top housing 11 and the main housing 12.

In this embodiment, the latch assembly includes a strip latch member 13, one end of the latch member 13 is provided with a latch hook 15, and the other end of the latch member 13 is provided with a button 16; as shown in fig. 2 and 3, two vertical plates are arranged on the main housing 12 at intervals along the width direction of the latch member 13, shaft holes are formed in the vertical plates, a hinge hole 20 is formed in the latch member 13 between the latch hook 15 and the button 16, and after the latch member 13 is placed between the two vertical plates, the hinge shaft 14 sequentially passes through the shaft holes, the hinge hole 20 and the shaft holes, so that the latch member 13 is hinged on the main housing 12. Wherein the hinge hole 20 constitutes a hinge portion.

In this embodiment, the latch assembly further includes a spring piece 17 fixed to the latch piece 13, the spring piece 17 is located between the latch hook 15 and the hinge hole 20, and the spring piece 17 is located on the upper side of the latch piece 13. The spring plate 17 has an overhanging end provided with a pressing portion for pressing against the top case 11, preferably with a curved section 19, the pressing portion being a cambered surface pressing portion.

In this embodiment, the spring plate 17 is detachably fixed to the catch piece 13. Specifically, the locking piece 13 is provided with a threaded hole 24, the spring piece 17 is provided with a through hole, and the spring piece 17 is detachably fixed on the locking piece 13 through a fixing screw 18.

As shown in fig. 3 and 4, the locking piece 13 is provided with a mounting groove extending along the length direction, and two side groove side walls of the mounting groove are respectively provided with a positioning rib 21 for positioning the spring piece 17, so that the perforation on the spring piece 17 is aligned with the threaded hole 24 on the locking piece 13.

In the present embodiment, the top ends of the positioning ribs 21 are provided with guide slopes for guiding the spring piece 17 into between the two positioning ribs 21. This design facilitates the spring plate 17 to enter between the two positioning ribs 21 quickly.

As shown in fig. 4, the bottom wall of the installation groove is provided with a main reinforcing rib 22 and auxiliary reinforcing ribs 23 arranged on two sides of the main reinforcing rib 22, the main reinforcing rib 22 is arranged along the length direction of the locking piece 13, and the auxiliary reinforcing ribs 23 are connected with the main reinforcing rib 22 and the side wall of the installation groove. By such a design, the structural strength of the position can be improved. Wherein threaded holes 24 are provided in the main reinforcing bars 22.

In this embodiment, three auxiliary reinforcing ribs 23 are respectively disposed on two sides of the main reinforcing rib 22 along the length direction of the locking member 13, so as to further improve the strength of the position. In other embodiments, the number of auxiliary reinforcing ribs 23 may be set as desired.

In this embodiment, two auxiliary reinforcing ribs 23 on the rightmost side are arranged corresponding to the positioning ribs 21, and opposite ends of the two auxiliary reinforcing ribs 23 are in a fork arm structure so as to avoid the positioning ribs 21.

The spring piece in the utility model can play the same role as a pressure spring or a torsion spring in the prior art, and the spring piece can be easily separated on the vibration disk, thereby improving the working efficiency.

Example 2 of the charging gun of the present utility model:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the overhanging end is provided with a curved section, and the top pressing portion is a cambered surface top pressing portion. In this embodiment, the overhanging end is provided with a horizontal section, and the top pressing portion is a planar top pressing portion.

Example 3 of the charging gun of the present utility model:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the spring piece is detachably fixed on the locking piece. In this embodiment, the fixed end of the spring piece is integrally injection molded on the locking piece.

Example 4 of the charging gun of the present utility model:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the spring piece is detachably fixed to the locking piece by a fixing screw. In this embodiment, the fixed end of the spring piece is clamped and fixed in the mounting groove.

Example 5 of the charging gun of the present utility model:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the spring piece is located between the latch hook and the hinge portion and is located on the upper side of the latch member, so that the pressing portion presses against the top case. In this embodiment, the spring piece is located between the button and the hinge portion and is located at the lower side of the locking piece, so that the pressing portion presses against the main housing.

Embodiments of the latch assembly of the present utility model: the latch assembly has the same structure as the latch assembly described in any one of embodiments 1 to 5 of the charging gun, and will not be described herein.

The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The locking assembly comprises a locking piece which comprises a strip, wherein one end of the locking piece is provided with a lock hook, the other end of the locking piece is provided with a button, and a hinge part which is hinged on the charging gun shell is arranged between the lock hook and the button on the locking piece.

2. The latch assembly of claim 1 wherein said top pressure portion is a cambered top pressure portion.

3. A latch assembly according to claim 1 or claim 2, wherein the leaf spring is releasably secured to the latch member.

4. A latch assembly according to claim 3, wherein said leaf spring is detachably secured to the latch member by a set screw.

5. The shackle assembly according to claim 1 or 2, wherein the leaf spring is located between the shackle and the hinge.

6. A latch assembly according to claim 1 or 2, wherein the latch member is provided with a mounting groove extending along a length direction thereof, and positioning ribs for positioning the spring piece are provided on side walls of the mounting groove on both sides thereof.

7. The latch assembly of claim 6 wherein the end of the locating rib remote from the bottom wall of the slot of the mounting slot is provided with a guide ramp for guiding the spring tab into between the two locating ribs.

8. A locking assembly according to claim 1 or 2, wherein the locking member is provided with a mounting groove extending along the length direction thereof, the bottom wall of the mounting groove is provided with a main reinforcing rib and auxiliary reinforcing ribs arranged on two sides of the main reinforcing rib, the main reinforcing rib is arranged along the length direction of the locking member, and the auxiliary reinforcing ribs are connected with the main reinforcing rib and the side walls of the mounting groove.

9. The lock catch assembly according to claim 8, wherein the auxiliary reinforcing ribs on both sides of the main reinforcing rib are respectively provided with more than two auxiliary reinforcing ribs along the length direction of the lock catch member.

10. A charging gun comprising a charging gun housing and a latch assembly, wherein the latch assembly is as claimed in any one of claims 1 to 9.