CN111293478B

CN111293478B - Finger touch prevention structure

Info

Publication number: CN111293478B
Application number: CN202010200238.4A
Authority: CN
Inventors: 范亚东; 王国堂; 王永安; 张红娟; 李卫顺; 王勇攀; 李东强; 段志超
Original assignee: Henan THB Electric Co Ltd
Current assignee: Henan THB Electric Co Ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-10-26
Anticipated expiration: 2040-03-20
Also published as: CN111293478A

Abstract

The invention provides a touch finger prevention structure, which is used for solving the technical problems of higher cost, complex process, undetachable property, inconvenient use, difficulty in meeting higher requirements of users and the like of the conventional touch finger prevention structure. The plug comprises a plug sheath assembly, a terminal assembly and a fixing clip, wherein the terminal assembly is movably arranged in the fixing clip, the fixing clip is hung in the plug sheath assembly, the terminal assembly comprises a finger touch prevention clip and a terminal, and the finger touch prevention clip is movably connected with the terminal. The invention has simple and reasonable structural design, easy production and manufacture and simple and convenient installation; the anti-touch finger device can effectively reduce cost, simplify production process, improve production efficiency, meet higher requirements of customers and have high popularization value while meeting the anti-touch finger requirements.

Description

Finger touch prevention structure

Technical Field

The invention relates to the technical field of automobile accessory parts, in particular to a finger touch prevention structure.

Background

With the rapid development of the new energy automobile industry, the requirement on the high-voltage connector is increasingly increased. The requirement of good sealing effect and 90 degrees of the outgoing line direction and the installation interface are required, and meanwhile, the requirement of finger touch prevention can be met. At present, the connectors are usually realized by two terminal adapters, and the anti-touch fingers are also usually realized by adopting metal posts and realizing the installation and the fixation by a screw thread or riveting mode. However, the method has the problems of high cost, complex process, non-detachability and the like. As the industry has developed, it has been difficult for such connectors to meet the higher demands of users.

Disclosure of Invention

The invention provides a touch finger prevention structure which is simple and convenient to install, can effectively reduce the cost, simplify the production process, improve the production efficiency and meet higher requirements of customers while meeting the touch finger prevention requirements, and aims to solve the technical problems that the existing touch finger prevention structure is high in cost, complex in process, not detachable, inconvenient to use, difficult to meet higher requirements of users and the like.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a prevent touching and indicate structure, includes plug sheath assembly, terminal assembly and fixing clip, the activity of terminal assembly sets up in the fixing clip, and the fixing clip articulates in plug sheath assembly, the terminal assembly includes prevents touching and indicates checkpost and terminal, and prevents touching and indicates checkpost and terminal swing joint.

The terminal includes cellular type joint terminal and torsional spring terminal, and cellular type joint terminal cover is established on the upper portion of torsional spring terminal, and the middle part of torsional spring terminal is equipped with and prevents touching the perforation II that indicates checkpost assorted, prevent touching and indicate the checkpost and set up in perforation II, and prevent touching and indicate the checkpost and articulate mutually with the torsional spring terminal.

The hole type joint terminal is characterized in that the torsion spring terminal is of a cylindrical structure, a knurled surface is arranged on the upper portion of the torsion spring terminal, a through hole I matched with the knurled surface is formed in the hole type joint terminal, and the knurled surface and the through hole I are fixed in a pressed riveting mode.

The lower part of the anti-touch finger clip is provided with an anti-touch finger column which is arranged in the through hole II.

Prevent touching and be equipped with on the finger checkpost and articulate point I, be equipped with on the torsional spring terminal with articulate I assorted department of articulating I, the department of articulating I articulates with department of articulating I mutually.

The side-view section of the fixing clamp is of a U-shaped structure, a cylindrical groove matched with the torsion spring terminal is formed in the fixing clamp, and the torsion spring terminal is arranged in the cylindrical groove; and a round hole is formed in the bottom wall of the cylindrical groove, and the bottom of the finger-touch-preventing column penetrates through the through hole II and is positioned in the same plane with the outer surface of the bottom wall of the cylindrical groove.

The front portion of fixing clip is equipped with hitching point II, both sides are equipped with hitching point III, be equipped with on the plug sheath assembly with hitching point II assorted hitching part II, with hitching point III assorted hitching part III, hitching point II articulates with hitching part II, hitching point III articulates with hitching part III mutually.

The outer surface and the lower bottom surface of the side wall at the rear part of the fixing clip are both provided with limiting ribs, and the limiting ribs are matched with the inner wall of the plug sheath assembly.

And the inner wall of the top of the plug sheath assembly is provided with a limiting surface matched with the anti-touch finger clip.

According to the invention with the structure, the terminal assembly is arranged in the fixing clip, and the fixing clip and the plug sheath assembly are hung in a hanging mode, so that the whole structure is convenient to assemble, detachable and convenient to use; the cooperation of finger-touch prevention checkpost and fixing clip can prevent that the finger from touching electrified part, reaches IPXXB's protective effect, satisfies the higher user demand of customer. The invention has simple and reasonable structural design, easy production and manufacture and simple and convenient installation; the anti-touch finger device can effectively reduce the cost, simplify the production process, improve the production efficiency and have high popularization value while meeting the requirement of anti-touch fingers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of 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 an exploded view of the present invention;

FIG. 2 is a cross-sectional view of the present invention after assembly;

FIG. 3 is an exploded view of the terminal assembly of the present invention;

FIG. 4 is a schematic view of a fixing clip and plug sheath hooking structure of the present invention.

In the figure, 100 is a plug sheath assembly, 200 is a terminal assembly, 300 is a fixing clip, 101 is a hanging part III, 102 is a limit surface, 103 is a hanging part II, 201 is a finger-touch preventing clip, 202 is a terminal, 203 is a hanging point I, 204 is a hanging part I, 205 is a hole type joint terminal, 206 is a torsion spring terminal, 207 is a through hole I, 208 is a knurled surface, 209 is a finger-touch preventing post, 210 is a through hole II, 301 is a hanging point III, 302 is a limit rib, 303 is a cylindrical groove, and 304 is a hanging point II.

Detailed Description

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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

The invention provides a finger touch prevention structure, which comprises a plug sheath assembly 100, a terminal assembly 200 and a fixing clip 300, wherein the terminal assembly 200 is movably arranged in the fixing clip 300, and the fixing clip 300 is hung in the plug sheath assembly 100, so that the whole assembly and disassembly are convenient, and the use is convenient. Wherein the included angle between the outgoing line direction of the plug sheath assembly 100 and the central axis of the mounting interface is 90 degrees, namely 90-degree outgoing of the wiring harness in the connector is realized, the number of parts is reduced, and the installation is simple and convenient. The terminal assembly 200 comprises a touch finger prevention clip 201 and a terminal 202, the terminal 202 is used for wiring, the touch finger prevention clip 201 is used for preventing fingers from touching electrified components such as the terminal 202 during operation to cause electric shock, the touch finger prevention clip 201 is used in cooperation with the fixing clip 300, the protection effect of IPXXB can be achieved, and the use safety is improved.

The anti-touch finger clip 201 is movably connected with the terminal 202, thereby facilitating assembly or disassembly. As shown in fig. 3 in detail, the terminal 202 includes a hole-type tab terminal 205 and a torsion spring terminal 206, the hole-type tab terminal 205 is sleeved on an upper portion of the torsion spring terminal 206, preferably, the torsion spring terminal 206 is of a cylindrical structure, the upper portion of the torsion spring terminal 206 is provided with a knurled surface 208, the hole-type tab terminal 205 is provided with a through hole i 207 matched with the knurled surface 208, and the knurled surface 208 and the through hole i 207 are fixed by pressure riveting. Specifically, the torsion spring terminal 206 includes a terminal body, a torsion spring structure disposed inside the terminal body, and a steel bushing disposed at a lower portion of the terminal body, wherein the steel bushing is used to fix the torsion spring structure after being installed in the terminal body. The knurled surface 208 is arranged at the upper part of the terminal body, and the diameter of the outer ring of the knurled surface 208 is slightly larger than that of the perforation I207, so that the knurled surface 208 and the perforation I207 are fixed in a riveting mode; and the straight knurls on the knurled surface 208 are beneficial to increasing the friction force at the joint of the hole-type joint terminal 205 and the torsion spring terminal 206, effectively reducing the contact resistance, and simultaneously preventing the hole-type joint terminal 205 from rotating by taking the torsion spring terminal 206 as a rotating shaft, so as to ensure stable and firm connection between the hole-type joint terminal 205 and the torsion spring terminal 206.

The middle part of torsional spring terminal 206 is equipped with and prevents touching II 210 of perforation of finger checkpost 201 assorted, prevent touching finger checkpost 201 and set up in II 210 of perforation. Specifically, the lower part of anti-touch finger clip 201 is equipped with anti-touch finger post 209, and the upper portion fixedly connected with of anti-touch finger post 209 is prevented touching the finger cap, and the diameter of preventing touching the finger cap is greater than the diameter of perforation II 210, and the diameter of preventing touching finger post 209 is less than the diameter of perforation II 210, and during the use, the cap setting of preventing touching the finger is on the upper portion of perforation II 210, and the post 209 of preventing touching the finger sets up in perforation II 210, specifically can follow the axle center setting of perforation II 210 to ensure to prevent touching the finger effect.

The anti-touch finger clip 201 is connected with the torsion spring terminal 206 in a hanging manner, so that the anti-touch finger clip and the torsion spring terminal are convenient to disassemble and assemble. Specifically, be equipped with on the finger checkpost 201 and hang contact I203, be equipped with on the torsional spring terminal 206 and hang the I204 of connecing I203 assorted department of connecing, hang contact I203 and hang the I204 of portion of connecing mutually. Preferably, the hanging contact I203 is provided with an elastic bulge, the hanging part I204 is provided with a limit groove, and the elastic bulge on the hanging contact I203 is hung in the limit groove of the hanging part I204, so that the hanging of the finger-touch preventing clamp 201 and the torsion spring terminal 206 is realized, the operation is simple and convenient, and the connection is reliable. Specifically, as shown in fig. 2, the hanging point i 203 may be disposed at the lower portion of the finger-touch prevention cap of the finger-touch prevention clip 201, and a plurality of hanging points may be uniformly disposed along the circumference of the lower end surface of the finger-touch prevention cap to ensure that the finger-touch prevention clip 201 is firmly hung on the torsion spring terminal 206. The hanging part I204 can be arranged at the upper part of the through hole II 210, so that the hanging point I203 can be hung on the hanging part I204 when the finger contact prevention pillar 209 penetrates into the through hole II 210. Specifically, the diameter of the upper part of the through hole II 210 is smaller than that of the middle part of the through hole II, and the height of the upper part of the through hole II 210 is matched with the length of the hanging point I203, so that a limit groove of the hanging part I204 is formed at the joint of the upper part of the through hole II 210 and the middle part of the through hole II, and the hanging point I203 is convenient to hang; meanwhile, the diameter of the upper part of the through hole II 210 is smaller than that of the finger-proof cap and larger than that of the finger-proof post 209. During the use, will prevent touching in the finger post 209 penetrates perforation II 210, prevent touching the finger cap and set up on the upper portion of perforation II 210, then articulate on hookup portion I204 with hookup point I203 to make prevent touching finger checkpost 201 fix on torsional spring terminal 206, connect firmly, easy operation is convenient.

The side-view cross section of the fixing clip 300 is of a U-shaped structure, the fixing clip 300 is provided with a cylindrical groove 303 matched with the torsion spring terminal 206, the torsion spring terminal 206 is arranged in the cylindrical groove 303, and the cylindrical groove 303 can limit the movement of the terminal assembly 200 in the front, back, left and right directions. The cylindrical groove 303 of the fixing clip 300 is suspended in the plug sheath assembly 100, so that the plug sheath assembly 100 and the socket sheath assembly can be conveniently matched. The circular hole has been seted up on the diapire of cylinder groove 303, specifically can be that circular hole and perforation II 210 set up with the axle center, and the touch-proof indicates that post 209 penetrates along the axle center of circular hole or perforation II 210 to make the bottom that the touch-proof indicates that post 209 sets up the center department at this circular hole, and the touch-proof indicates that the bottom of post 209 and the surface of cylinder groove 303 diapire are located the coplanar. Through the combined action of the finger-touch preventing post 209 and the cylindrical groove 303 on the fixing clip 300, the protection effect of IPXXB can be achieved, the electric shock phenomenon caused by the fact that a finger extends into a round hole to touch the torsion spring terminal 206 in the installation process is prevented, and the use safety is improved.

As shown in fig. 2 and 4, in order to further ensure the stability of the connection between the terminal assembly 200 and the fixing clip 300, the front portion of the fixing clip 300 is provided with a hanging point ii 304, two sides are provided with hanging points iii 301, specifically, the hanging point ii 304 is arranged at the front end of the upper portion of the cylindrical groove 303, the hanging point iii 301 is arranged at two sides above the cylindrical groove 303, the plug sheath assembly 100 is provided with a hanging part ii 103 matched with the hanging point ii 304 and a hanging part iii 101 matched with the hanging point iii 301, wherein the hanging point ii 304 and the hanging point iii 301 are also provided with elastic protrusion structures, the hanging part ii 103 and the hanging part iii 101 are also provided with limit grooves, when in use, the elastic protrusion on the hanging point ii 304 is hung in the limit groove of the hanging part ii 103, the elastic protrusion of the hanging point iii 301 is hung in the limit groove of the hanging part iii 101, thereby realizing the fixing clip 300 from the front and two sides, that is, the hook point ii 304 is engaged with the hook portion ii 103 to restrict the movement of the front end of the fixed card 300 in the left-right direction and the downward direction, and the hook point iii 301 is engaged with the hook portion iii 101 to restrict the movement of the fixed card 300 in the front-rear direction. As a further preferable scheme, the outer surface and the lower bottom surface of the side wall of the rear portion of the fixing clip 300 are both provided with a limiting rib 302, and the limiting rib 302 is matched with the inner wall of the plug sheath assembly 100, and the limiting rib 302 can limit the movement of the rear portion of the fixing clip 300 in the left-right direction and the downward direction; the inner wall of the top of the plug sheath assembly 100 is provided with a limiting surface 102 matched with the anti-touch finger clip 201, namely, an anti-touch finger cap of the anti-touch finger clip 201 is matched with the limiting surface 102, and the limiting surface 102 can limit the fixing clip 300 to move in the upward direction, so that the terminal assembly 200 and the fixing clip 300 are stably fixed in the plug sheath assembly 100, and the connection is reliable and the use is safe.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A finger-touch prevention structure is characterized in that: the anti-touch terminal comprises a plug sheath assembly (100), a terminal assembly (200) and a fixing clamp (300), wherein the terminal assembly (200) is movably arranged in the fixing clamp (300), the fixing clamp (300) is hung in the plug sheath assembly (100), the terminal assembly (200) comprises a touch finger prevention clamp (201) and a terminal (202), and the touch finger prevention clamp (201) is movably connected with the terminal (202);

the terminal (202) comprises a hole type joint terminal (205) and a torsion spring terminal (206), the hole type joint terminal (205) is sleeved on the upper portion of the torsion spring terminal (206), a through hole II (210) matched with the anti-touch finger clip (201) is arranged in the middle of the torsion spring terminal (206), the anti-touch finger clip (201) is arranged in the through hole II (210), and the anti-touch finger clip (201) is connected with the torsion spring terminal (206) in a hanging mode;

the lower part of the finger touch prevention clip (201) is provided with a finger touch prevention pillar (209), and the finger touch prevention pillar (209) is arranged in the through hole II (210).

2. The finger guard structure of claim 1, wherein: torsional spring terminal (206) is the cylinder type structure, and the upper portion of torsional spring terminal (206) is equipped with knurl face (208), be equipped with on the cellular type joint terminal (205) with knurl face (208) assorted perforation I (207), knurl face (208) and perforation I (207) are pressed and are riveted fixedly.

3. The finger guard structure of claim 1, wherein: be equipped with on touch finger checkpost (201) and hang contact I (203), be equipped with on torsional spring terminal (206) with hang contact I (203) assorted department of hanging I (204), hang contact I (203) and hang mutually with hanging I (204) of connecting.

4. The finger guard structure according to claim 2 or 3, wherein: the side-view cross section of the fixing card (300) is of a U-shaped structure, a cylindrical groove (303) matched with the torsion spring terminal (206) is formed in the fixing card (300), and the torsion spring terminal (206) is arranged in the cylindrical groove (303); and a round hole is formed in the bottom wall of the cylindrical groove (303), and the bottom of the finger-touch preventing column (209) penetrates through the through hole II (210) and is positioned in the same plane with the outer surface of the bottom wall of the cylindrical groove (303).

5. The finger guard structure of claim 4, wherein: the front portion of fixing clip (300) is equipped with hitching point II (304), both sides are equipped with hitching point III (301), be equipped with on plug sheath assembly (100) with hitching point II (304) assorted hitching part II (103), with hitching point III (301) assorted hitching part III (101), hitching point II (304) articulates with hitching part II (103), and hitching point III (301) articulates with hitching part III (101).

6. The finger guard structure of claim 5, wherein: the outer surface and the lower bottom surface of the side wall of the rear part of the fixing clip (300) are both provided with limiting ribs (302), and the limiting ribs (302) are matched with the inner wall of the plug sheath assembly (100).

7. The finger guard structure according to any one of claims 1 to 3, 5 and 6, wherein: and a limiting surface (102) matched with the finger touch preventing clip (201) is arranged on the inner wall of the top of the plug sheath assembly (100).