CN114498187A

CN114498187A - Safety lock catch for connecting electric connector

Info

Publication number: CN114498187A
Application number: CN202111600907.8A
Authority: CN
Inventors: 李钰淇
Original assignee: Nigat Electronic Shenzhen Co ltd
Current assignee: Nijiate (Guangdong) Precision Technology Co.,Ltd.
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-13

Abstract

The invention discloses a safety lock catch for connecting an electric connector, which comprises a pressing plate, a pressing bulge and side lugs, wherein the pressing bulge is integrally formed on the upper end surface of the pressing plate, the side lugs are arranged on the front side and the rear side of the middle position of the lower end surface of the pressing plate, a rotating shaft is rotatably mounted on the side lugs, an installation column is arranged on one side of each side lug, which is positioned on the lower end surface of the pressing plate, a spring is arranged on the outer side of the installation column, an upper latch is arranged on one side of each side lug, which is far away from the installation column, a connecting body is arranged below the upper latch, and a lower latch is arranged on the connecting body, and the safety lock catch is characterized in that: the pressing plate is fixed and opened by the locking mechanism. The invention has simple structure, reasonable design and low production cost, greatly improves the safety performance of the lock catch and avoids the situation of mistaken pressing and loosening.

Description

Safety lock catch for connecting electric connector

Technical Field

The invention relates to the technical field of latches, in particular to a safety latch for connecting an electric connector.

Background

The quick-change connector is an important part of a quick-change battery system, is a special connector for realizing quick electrical connection and separation between a finished automobile and the quick-change battery system, and mainly comprises a quick-change plug, a quick-change socket and a related cable.

A lock catch is a mechanism for the embedded connection or the integral locking of one part to another, usually for the joining of plastic parts, the material of which is usually made of a plastic material with a certain flexibility. The biggest characteristics of hasp connection are that the installation is dismantled conveniently, can accomplish to exempt from the instrument and dismantle. The existing lock catch connecting technology is widely applied to the connection of automotive upholstery.

Trade and need install the hasp on the electric connector and connect fixedly, but the hasp of application tradition is connected too simply, and the security is lower, appears the condition that the mistake was pressed the pine and take off easily, to the connector, can lead to the emergence of incident, influences the normal use of connector.

Disclosure of Invention

The present invention is directed to solving the above problems by providing a safety latch for electrical connector connection.

The invention realizes the purpose through the following technical scheme:

the utility model provides a safe hasp for electric connector connects, includes according to the clamp plate, presses arch, side ear, according to clamp plate up end integrated into one piece have press the arch, both sides all are provided with around according to the clamp plate terminal surface intermediate position side ear, it installs the pivot to rotate on the side ear, side ear one side is located press the clamp plate terminal surface down to be provided with the erection column, the erection column outside is provided with the spring, the side ear is kept away from erection column one side is provided with the latch, it is provided with the connection body to go up the latch below, be provided with lower latch on the connection body, its characterized in that: the pressing plate is fixed and opened by the locking mechanism.

As a further scheme of the invention, the locking mechanism comprises a shell, a limiting component and a supporting block, the limiting component is mounted on the inner side of the shell, the supporting block is arranged on one side of the limiting component, a drawing hole is formed in the shell at the front and back of one side far away from the supporting block, a plug locking plate is slidably mounted in the drawing hole, a clamping boss is integrally formed at the front end of the plug locking plate, a clamping lug is arranged on the side surface of the plug locking plate, an arc-shaped blocking surface is arranged on the front side of the clamping lug, a blocking block is arranged at one end, far away from the clamping boss, of the lower end surface of the plug locking plate, and a blocking groove is formed at the position, corresponding to the blocking block, of the bottom of the inner side surface of the shell.

As a further scheme of the invention, the locking mechanism comprises a shell, a limiting component and a supporting block, the limiting component is mounted on the inner side of the shell, the supporting block is arranged on one side of the limiting component, a drawing hole is formed in the shell at a position far away from the supporting block and runs through the front and back of one side of the shell, a plug locking plate is slidably mounted in the drawing hole, a clamping boss is integrally formed at the front end of the plug locking plate, a clamping convex block is arranged on the side surface of the plug locking plate, an arc-shaped retaining surface is arranged on the front side of the clamping convex block, and a fixed stop block is arranged on the rear side of the clamping convex block.

As a further scheme of the invention, the limiting assembly comprises a positioning ring, a first positioning groove and a second positioning groove, the first positioning groove is formed in the positioning ring, the second positioning groove is formed in the rear side of the first positioning groove, a clamping groove is formed in the rear side of the second positioning groove, the positioning ring is of a hollow structure, and the spring is arranged on the inner side of the positioning ring.

As a further scheme of the invention, the material of the plugging locking piece is elastic engineering plastic, such as nylon, and the distance between the plugging locking piece and the positioning ring is 0.05-0.1 cm.

As a further scheme of the invention, the shell is rectangular, and the front corner and the rear corner close to one side of the plug locking plate are both arc-shaped.

As a further scheme of the invention, one side of the shell, which is close to the plugging locking piece, is semicircular.

As a further aspect of the present invention, when the plug-in locking plate is not pulled out, the upper end surface of the locking boss contacts with the lower end surface of the pressing plate.

As a further scheme of the invention, the positioning ring is of a U-shaped structure, the first positioning groove and the second positioning groove are both arranged on a plane at the top of the U-shaped structure, the clamping groove is formed at the tail end of the plane, and the front end of the plane is arc-shaped.

As a further scheme of the invention, a round mounting hole which is through from front to back is formed in one side of the shell, which is far away from the drawing hole, the rotating shaft is arranged on the inner side of the shell, and the front end and the rear end of the rotating shaft are respectively rotatably mounted in the round mounting hole in the shell.

Compared with the prior art, the invention has the beneficial effects that:

screens boss up end and press the face contact under the clamp plate, press the clamp plate to be located to press protruding one side and can't be pressed down, so the spring can't be compressed, go up the latch and can not leave down the latch, connect the body and just can not part with the shell, need open when pressing the clamp plate, take the screens boss to the front side out, the plug locking plate has elasticity with the screens lug, the screens lug can block into a constant head tank, the shell outside is arranged in to the screens boss, the terminal surface has not tied down under the clamp plate, just can press down, the security performance of hasp has greatly been increased, the condition of mistake according to the pine and taking off is avoided appearing, can make different size of a dimension simultaneously, with the battery replacement connector that is suitable for not unidimensional, the practicality is high.

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, and 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 these drawings without creative efforts.

FIG. 1 is a perspective view of an embodiment 1 of a safety latch for electrical connector connection according to the present invention;

FIG. 2 is a front view of an embodiment 1 of a safety latch for an electrical connector according to the present invention;

FIG. 3 is a schematic structural diagram of a housing of embodiment 1 of a safety latch for electrical connector connection according to the present invention;

FIG. 4 is a schematic view of the retainer ring of the safety lock for electrical connector according to embodiment 1 of the present invention;

FIG. 5 is a schematic view of a plug locking plate according to embodiment 1 of the safety lock for electrical connector connection of the present invention;

FIG. 6 is a schematic view of a pressing plate according to embodiment 1 of the safety lock for electrical connector connection of the present invention;

FIG. 7 is a perspective view of embodiment 2 of a safety latch for electrical connector connection according to the present invention;

fig. 8 is a schematic structural diagram of a housing of embodiment 2 of a safety latch for electrical connector connection according to the present invention.

The reference numerals are explained below:

101. a housing; 102. positioning rings; 103. a support block; 104. drawing the hole; 105. plugging and pulling a locking plate; 106. a clamping boss; 107. a clamping convex block; 108. an arc-shaped blocking surface; 109. a blocking block; 110. a blocking groove; 111. a first positioning groove; 112. a second positioning groove; 113. a card slot; 114. fixing a stop block; 201. a pressing plate; 202. pressing the protrusion; 203. a lateral ear; 204. a rotating shaft; 205. mounting a column; 206. a spring; 207. upper latch teeth; 208. a connecting body; 209. and a lower latch.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be further explained with reference to the drawings.

Example 1

As shown in fig. 1, 2, 3, 4, 5 and 6, the present invention provides a technical solution: the utility model provides a safe hasp for electric connector connects, including pressing the clamp plate 201, press protruding 202, side ear 203, press the clamp plate 201 up end integrated into one piece to have and press protruding 202, both sides all are provided with side ear 203 around pressing the clamp plate 201 lower extreme intermediate position, it installs pivot 204 to rotate on the side ear 203, side ear 203 one side is located and presses the clamp plate 201 lower extreme end to be provided with erection column 205, the erection column 205 outside is provided with spring 206, side ear 203 is kept away from erection column 205 one side and is provided with latch 207, it is provided with connection body 208 to go up latch 207 below, be provided with lower latch 209 on the connection body 208, its characterized in that: and a locking mechanism for fixing and opening the pressing plate 201.

On the basis of the above-described embodiment: the locking mechanism comprises a shell 101, a limiting component and a supporting block 103, wherein the limiting component is installed on the inner side of the shell 101, the supporting block 103 is arranged on one side of the limiting component, a drawing hole 104 is formed in the front and back of one side, away from the supporting block 103, of the shell 101, a plugging locking plate 105 is installed in the drawing hole 104 in a sliding mode, a clamping boss 106 is integrally formed at the front end of the plugging locking plate 105, a clamping lug 107 is arranged on the side face of the plugging locking plate 105, an arc-shaped blocking face 108 is arranged on the front side of the clamping lug 107, a blocking block 109 is arranged at one end, away from the clamping boss 106, of the end face of the plugging locking plate 105, and a blocking groove 110 is formed in the position, corresponding to the blocking block 109, of the bottom of the inner side face of the shell 101; the limiting assembly comprises a positioning ring 102, a first positioning groove 111 and a second positioning groove 112, the first positioning groove 111 is formed in the positioning ring 102, the second positioning groove 112 is formed in the rear side of the first positioning groove 111, a clamping groove 113 is formed in the rear side of the second positioning groove 112, the positioning ring 102 is of a hollow structure, and a spring 206 is arranged on the inner side of the positioning ring 102; the plug locking plate 105 is made of elastic engineering plastic, such as nylon, and the distance between the plug locking plate 105 and the positioning ring 102 is 0.05-0.1 cm; the casing 101 is rectangular, and the front corner and the rear corner close to one side of the plug locking plate 105 are both arc-shaped; when the plug locking plate 105 is not pulled out, the upper end surface of the blocking boss 106 contacts with the lower end surface of the pressing plate 201; the positioning ring 102 is of a U-shaped structure, the first positioning groove 111 and the second positioning groove 112 are both arranged on a plane at the top of the U-shaped structure, the clamping groove 113 is arranged at the tail end of the plane, and the front end of the plane is arc-shaped; a round mounting hole which is through from front to back is formed in one side, away from the drawing hole 104, of the shell 101, the rotating shaft 204 is arranged on the inner side of the shell 101, and the front end and the rear end of the rotating shaft 204 are respectively rotatably mounted in the round mounting hole in the shell 101.

The working principle is as follows: in the working state, the connecting body 208 is connected with the shell 101, the lower latch 209 is clamped with the upper latch 207, at this time, the upper end surface of the clamping boss 106 is contacted with the lower end surface of the pressing plate 201, the clamping lug 107 is clamped in the second positioning groove 112, the pressing plate 201 is positioned on one side of the pressing bulge 202 and cannot be pressed down, so the spring 206 cannot be compressed, the upper latch 207 cannot leave the lower latch 209, the connecting body 208 and the shell 101 cannot be separated, the connection safety is ensured, when the pressing plate 201 needs to be opened, the clamping boss 106 is drawn out towards the front side, the plugging locking plate 105 and the clamping lug 107 have elasticity, the clamping lug 107 can be clamped in the first positioning groove 111, the clamping boss 106 is arranged outside the shell 101, the lower end surface of the pressing plate 201 is not bound, the pressing down can be carried out, the upper latch 207 rises, the connecting body 208 is separated from the shell 101, the blocking block 109 can be clamped in the blocking groove 110, can prevent that plug locking plate 105 from pulling out to the front side, likewise, when plug locking plate 105 inwards pushed into, arc fender face 108 can block on the arcwall face of position circle 102 front side, prevents that plug locking plate 105 from being pushed over the head, makes it can target in place accurately, and supporting shoe 103 plays the supporting role to pressing panel 201, makes its elasticity with spring 206 play the balancing act.

Example 2

As shown in fig. 7 and 8, the difference between the embodiment 2 and the embodiment 1 is that the locking mechanism includes a housing 101, a limiting component, and a supporting block 103, the limiting component is installed inside the housing 101, the supporting block 103 is installed on one side of the limiting component, a drawing hole 104 is formed through the front and back of one side of the housing 101 away from the supporting block 103, a plug locking plate 105 is slidably installed in the drawing hole 104, a locking boss 106 is integrally formed at the front end of the plug locking plate 105, a locking protrusion 107 is installed on the side surface of the plug locking plate 105, an arc-shaped blocking surface 108 is installed on the front side of the locking protrusion 107, and a fixed block 114 is installed on the rear side of the locking protrusion 107; the side of the housing 101 near the plug locking piece 105 is semicircular.

The blocking block 109 is clamped in the blocking groove 110, so that the plug locking piece 105 can be prevented from being pulled out to the front side, the fixed stop block 114 is clamped in the clamping groove 113, the plug locking piece 105 is prevented from being pulled out to the front side, and meanwhile, the shape of the plug locking piece 101 is changed into a semicircular shape from a rectangle.

The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a safe hasp for electric connector connects, includes pressing panel (201), presses arch (202), side ear (203), press panel (201) up end integrated into one piece have press arch (202), both sides all are provided with side ear (203) around pressing panel (201) lower extreme intermediate position, it installs pivot (204) to rotate on side ear (203), side ear (203) one side is located press panel (201) lower extreme face to be provided with erection column (205), the erection column (205) outside is provided with spring (206), side ear (203) are kept away from erection column (205) one side is provided with latch (207), go up latch (207) below and be provided with connecting body (208), be provided with lower latch (209) on connecting body (208), its characterized in that: the pressing plate (201) is fixed and opened by a locking mechanism.

2. A safety latch for electrical connector connection as claimed in claim 1, wherein: the locking mechanism comprises a shell (101), a limiting component and a supporting block (103), the limiting component is arranged on the inner side of the shell (101), the supporting block (103) is arranged on one side of the limiting component, a drawing hole (104) is formed in the shell (101) in a penetrating mode in the front and back direction of the side far away from the supporting block (103), a plug locking plate (105) is arranged in the drawing hole (104) in a sliding way, a clamping boss (106) is integrally formed at the front end of the plug locking plate (105), a clamping convex block (107) is arranged on the side surface of the plug locking plate (105), an arc-shaped blocking surface (108) is arranged on the front side of the clamping convex block (107), a blocking block (109) is arranged at one end of the lower end surface of the plug locking plate (105) far away from the clamping boss (106), and a blocking groove (110) is formed in the position, corresponding to the blocking block (109), of the bottom of the inner side surface of the shell (101).

3. A safety latch for electrical connector connection as claimed in claim 1, wherein: locking mechanical system includes shell (101), spacing subassembly, supporting shoe (103), install shell (101) inboard spacing subassembly, spacing subassembly one side is provided with supporting shoe (103), shell (101) are kept away from link up around one side of supporting shoe (103) and have been seted up pull hole (104), slidable mounting has plug locking plate (105) in pull hole (104), plug locking plate (105) front end integrated into one piece has screens boss (106), plug locking plate (105) side is provided with screens lug (107), screens lug (107) front side is provided with arc fender face (108), screens lug (107) rear side is provided with fixed dog (114).

4. A security catch for electrical connector connection as claimed in claim 2 or 3, wherein: spacing subassembly includes position circle (102), constant head tank (111), No. two constant head tanks (112), seted up on position circle (102) constant head tank (111), a constant head tank (111) rear side is provided with No. two constant head tanks (112), No. two constant head tank (112) rear sides is provided with draw-in groove (113), position circle (102) are hollow structure, spring (206) are arranged in the inboard of position circle (102).

5. A safety latch for electrical connector connection as claimed in claim 4, wherein: the material of plug locking plate (105) is elastic engineering plastic, plug locking plate (105) with distance between position circle (102) is 0.05 ~ 0.1 cm.

6. A safety latch for electrical connector connection as claimed in claim 2, wherein: the shell (101) is rectangular and is close to the front corner and the rear corner of one side of the plug locking plate (105) are both arc-shaped.

7. A safety latch for electrical connector connection as claimed in claim 3, wherein: one side of the shell (101) close to the plugging locking plate (105) is semicircular.

8. A safety catch for electrical connector connection as claimed in claim 2 or 3, wherein: when the plug locking plate (105) is not pulled out, the upper end face of the clamping boss (106) is in contact with the lower end face of the pressing plate (201).

9. A safety latch for electrical connector connection as claimed in claim 4, wherein: the positioning ring (102) is of a U-shaped structure, the first positioning groove (111) and the second positioning groove (112) are arranged on the plane of the top of the U-shaped structure, the clamping groove (113) is formed in the tail end of the plane, and the front end of the plane is arc-shaped.

10. A security catch for electrical connector connection as claimed in claim 2 or 3, wherein: the round mounting hole that link up around keeping away from one side of drawing hole (104) is seted up in shell (101), pivot (204) are arranged in shell (101) are inboard, just both ends rotate respectively around pivot (204) are installed in the round mounting hole on shell (101).