CN113437584A

CN113437584A - Quick-locking plug and connector

Info

Publication number: CN113437584A
Application number: CN202110712286.6A
Authority: CN
Inventors: 何国兵
Original assignee: Guizhou Space Appliance Co Ltd
Current assignee: Guizhou Space Appliance Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-09-24
Anticipated expiration: 2041-06-25
Also published as: CN113437584B

Abstract

The invention discloses a quick-locking plug and a connector, wherein a locking assembly (14) is arranged on the outer side of a plug shell (11) of the plug, the locking assembly (14) comprises a pull rod (143) and a locking piece (144), the pull rod is elastically arranged in a longitudinal sliding groove of the plug shell (11), the locking piece (144) is arranged in a transverse sliding groove, a lock tongue (1442) at the front end of the locking piece (144) extends out of the inner wall surface of the plug shell (11), and an unlocking inclined surface (1443) is arranged in the middle of the locking piece (144) and is matched with the pull rod (143). The invention provides a plug and a connector which can realize quick locking and unlocking by simply pulling and pulling a pull rope, aiming at the problems that the existing connector needs to be compressed by fingers and the compression direction and the separation direction are vertical, and can definitely feed back the insertion state information of the connector.

Description

Quick-locking plug and connector

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to an inserting feedback mechanism of a plug and a connector applying the plug.

Background

At present, the connector field rectangle fast lock structure is comparatively general, its fast lock principle mainly is colluded the cooperation through torsional spring structure or spring structure and locking and realizes locking fast, be the rectangle fast lock connector that CN 204216309U and patent CN 109066226A described like the patent number, it adopts locking to collude and spring (torsional spring) cooperation, realize the fast lock function of connector, for example the rectangle fast lock connector that the patent number is CN 103022806B again, it adopts the stay that has the barb structure and kidney slot cooperation to realize locking fast, but above-mentioned fast lock structure has following problem: 1) in the unlocking process, the connector can be separated to realize unlocking only when the locking hook/locking sheet is manually compressed, and the unlocking process is relatively complex; 2) the finger compression direction is vertical to the connector separation direction, and the unlocking separation force is large; 3) the connector installation equipment needs to reserve a space for finger kneading unlocking for the connector, so that the utilization rate of the equipment is low; 4) and if the connector is not inserted in place, the connector cannot be accurately judged.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the problems that the existing connector needs to be compressed by fingers and the compression direction and the separation direction are vertical, the plug and the connector which can realize quick lock unlocking through simple pulling of the pull rope are provided, and the insertion state information of the connector can be definitely fed back.

The technical scheme of the invention is as follows:

the utility model provides a quick-lock plug, includes the plug housing, and locking Assembly is installed in the plug housing outside, and locking Assembly includes the locking piece in pull rod and the horizontal spout of elastic mounting in the longitudinal sliding groove of plug housing, and the spring bolt of locking piece front end stretches out from the plug housing internal face, and there is the inclined plane and the pull rod cooperation of unblanking locking piece middle part.

The slide block is connected to the pull rod outside, and the stay cord is connected to the slide block.

Two sides of the plug shell are respectively provided with a locking component, and a pull rope is used for connecting two sliding blocks.

The tail end of the pull rod is provided with a return spring, and the tail end of the locking piece is provided with a locking spring.

The middle part of the pull rod is provided with a limiting hole and a limiting riveting pipe in the middle part of the longitudinal sliding groove, the limiting riveting pipe is matched with the limiting hole to realize stroke limitation, the front end of the pull rod is provided with an unlocking hole, and the locking part penetrates through the unlocking hole.

The inclined plane of unblanking at retaining member middle part is two inclined planes that are located spring bolt root both sides, can extrude two inclined planes of unblanking when the pull rod is longitudinal sliding and make the retaining member realize unblanking in horizontal spout internal translation.

The longitudinal sliding groove of the plug shell is composed of a longitudinal hole formed in the plug shell and a tail cover assembly at the tail end, and the transverse sliding groove is intersected with the longitudinal sliding groove.

The locking member has a projecting post structure at the rear end thereof for marking, the post structure extending laterally from the plug housing when the latch bolt is retracted.

A quick-locking connector comprises a plug and a socket, wherein the plug is the quick-locking plug, the inner surface of a plug shell of the quick-locking plug is matched with the outer surface of a socket shell, and a locking cavity is arranged on the socket shell and matched with a lock tongue.

A contact and an insulator are mounted in the plug housing.

The invention has the beneficial effects that:

the invention can meet the requirement of a common connector on a quick locking function, and can judge whether the connector is inserted in place or not through the appearance state; meanwhile, the connector can meet the requirement of quick drawing and unlocking, the requirement of connector separation operation is reduced, the unlocking and separation efficiency of the connector is improved, the separation operation space is reduced, and the space utilization rate of equipment is improved. The head of the connector locking piece is designed with an inclined plane structure of less than 30 degrees, so that the connector can be inserted and locked quickly; because the middle part of the locking piece is provided with the symmetrical double-inclined-plane structure with the angle less than 30 degrees, the separation force and the unlocking force which are vertical to each other can be converted, so that the unlocking operation is more convenient, and the unlocking force is smaller; the tail end of the sliding block is connected with the pull rope, so that the unlocking and separating operation is more comfortable and convenient; because the tail end of the locking piece is provided with the double-column structure with the colored ring, the locking piece can be popped in or popped out, and whether the connector is inserted in place or not can be clearly indicated; the locking piece has a rectangular cross section, so that the contact surface of the locking piece and the socket locking cavity is increased, and the locking is more reliable; because the locking piece and the pull rod are made of high-strength wear-resistant stainless steel materials, the reliable implementation of the locking structure can be ensured.

Compared with the prior art, the main advantages are as follows:

1. the unlocking operation requirement is reduced: the unlocking operation mode is more concise, and the operation force is smaller.

2. The reliability of the connector is increased, mainly by clearly identifying whether the connector is inserted in place.

3. The installation density of the connector is increased, and the connector mainly shows that the periphery of the connector does not need to reserve an operation space for inserting, closing and unlocking.

Drawings

Fig. 1 is a schematic diagram of the plugging and locking structure of the connector of the invention.

Fig. 2 is a schematic view of the connector plug structure of the present invention.

Fig. 3 is a schematic view of the connector locking member of the present invention.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of the claimed invention is not limited thereto.

Example 1:

the quick-locking plug of the embodiment is composed of a plug shell 11, a locking component 14, a contact 12, an insulator 13 and a tail cover component 15, wherein the locking component 14 is installed on the outer side of the plug shell 11, the locking component 14 comprises a pull rod 143 elastically installed in a longitudinal sliding groove of the plug shell 11 and a locking component 144 installed in a transverse sliding groove, a locking tongue 1442 at the front end of the locking component 144 extends out of the inner wall surface of the plug shell 11, and an unlocking inclined surface 1443 is arranged in the middle of the locking component 144 and matched with the pull rod 143. The longitudinal sliding groove is formed by a longitudinal hole formed in the plug shell 11 and a tail cover assembly 15 at the tail end, and the transverse sliding groove and the longitudinal sliding groove are intersected. Firstly, the pull rod 143 is installed in a longitudinal hole, then the tail cover assembly 15 and the reset spring 146 are installed, the middle of the pull rod 143 is provided with a limiting hole which is matched with a limiting riveting tube 148 in the middle of a longitudinal sliding groove to realize stroke limitation, the front end of the pull rod 143 is provided with an unlocking hole, the locking member 144 penetrates through the unlocking hole, the unlocking inclined planes 1443 in the middle of the locking member 144 are two inclined planes positioned on two sides of the root of the locking bolt 1442, and when the pull rod 143 slides longitudinally, the two unlocking inclined planes 1443 can be extruded to enable the locking member 144 to move in the transverse sliding groove to realize unlocking.

The outer side of the pull rod 143 is connected with a slide block 142 through a connecting screw 147, the slide block 142 is connected with a pull rope 141, two locking assemblies 14 are respectively arranged at two sides of the plug shell 11, and the two slide blocks 142 are connected through the pull rope 141. Pulling the pulling rope 141 causes the sliding block 142 to move the pulling rod 143 in the longitudinal direction, so as to press the two unlocking slopes 1443 to make the locking member 144 move in the transverse sliding slot in a translational manner to achieve unlocking.

The locking member 144 has a projecting post structure 1441 at the rear end thereof for marking, and the post structure 1441 extends laterally from the plug housing 11 when the latch tongue 1442 is retracted. A pressure plate 149 is arranged on the outer end face of the transverse sliding chute, two holes are formed in the pressure plate 149 for the cylinder structures 1441 to extend out, and a return spring 146 is arranged between the pressure plate 149 and the cylinder structures 1441.

Example 2: as shown in fig. 1 to 3, the rectangular quick-lock connector of the present invention mainly comprises a plug 1 and a socket 2.

The plug 1 includes a plug housing 11, contacts 12, an insulator 13, a locking assembly 14, and a tail cap assembly 15. The receptacle includes a receptacle housing 21, an insulator assembly 22.

The locking assembly comprises a pull rope 141, a sliding block 142, a pull rod 143, a locking member 144, a locking spring 145, a return spring 146, a connecting screw 147, a limiting rivet tube 148 and a pressure plate 149. The pull rope 141 is fixed in a tail end hole of the sliding block 142, the sliding block 142 and the pull rod 143 can slide along the Z direction of the plug outer shell 11 under the pulling of the pull rope, the sliding stroke is limited by the limiting rivet tube 148, and the sliding stroke and the limiting rivet tube 148 are connected through a connecting screw 147; the locking piece can slide along the direction of the plug shell 11X under the action of the pull rod, and the sliding stroke of the locking piece is limited by the pulling distance of the pull rod 143; the locking spring 145 is limited on the double-column structure 1441 at the tail end of the locking member 144 and the pressing plate 149, and the return spring 146 is limited on the column structure at the tail end of the pull rod 143 and the tail cover assembly 15; the limiting riveting tube 148 is fixed on the plug shell 11 in a turning and riveting mode; the pressing plate 149 is fixed on the plug housing 11 through glue; the side surface of the socket shell is provided with a locking cavity 211 which is matched with a locking piece 144 to realize locking;

the head of the locking member 144 is provided with an inclined surface structure with an angle smaller than 30 degrees, namely a locking tongue 1442, so that the locking member 144 can be conveniently extruded into the shell by the socket shell 21, the insertion force can be reduced, and the rapid insertion locking can be realized;

the middle part of the locking member 144 is provided with a double-inclined-surface structure with a symmetrical angle smaller than 30 degrees, namely an unlocking inclined surface 1443, which can convert the force applied by the pull rope 141 into unlocking force for sliding unlocking of the locking member 144, so that the force is applied more conveniently during unlocking, the operating force is reduced, and the operating space is saved;

the tail end of the locking piece 144 is provided with a double-column structure 1441 with a colored ring, and the double-column structure can be popped out or popped in according to the plugging state in the plugging and closing process of the connector to indicate the plugging and closing state of the connector, so that the plugging and closing reliability of the connector is improved;

the locking piece 144 is rectangular in section, and the locking grooves 211 of the rest socket shells 21 are matched, so that the locking reliability is improved;

the locking piece 144 and the pull rod 143 are made of high-strength wear-resistant stainless steel materials, so that the implementation reliability of the quick locking structure is improved;

the tail end of the sliding block 142 is connected with the pull rope 141, and the sliding block 142 can be pulled through the pull rope 141, so that the connector can be conveniently pulled to be unlocked.

Claims

1. A quick lock plug comprising a plug housing (11), characterized in that: locking assembly (14) are installed in plug housing (11) outside, and locking assembly (14) are including pull rod (143) and retaining member (144) in the horizontal spout of elastic mounting in the vertical spout of plug housing (11), and spring bolt (1442) of retaining member (144) front end stretches out from plug housing (11) internal wall face, and retaining member (144) middle part has inclined plane (1443) and the cooperation of pull rod (143) of unblanking.

2. The quick lock plug of claim 1, wherein: the outer side of the pull rod (143) is connected with a slide block (142), and the slide block (142) is connected with a pull rope (141).

3. The quick lock plug of claim 2, wherein: two sides of the plug shell (11) are respectively provided with a locking component (14), and a pull rope (141) is used for connecting two sliding blocks (142).

4. The quick lock plug of claim 3, wherein: the tail end of the pull rod (143) is provided with a return spring (146), and the tail end of the locking piece (144) is provided with a locking spring (145).

5. The quick lock plug of claim 4, wherein: the middle part of the pull rod (143) is provided with a limiting hole which is matched with a limiting riveting tube (148) at the middle part of the longitudinal sliding groove to realize stroke limitation, the front end of the pull rod (143) is provided with an unlocking hole, and the locking part (144) penetrates through the unlocking hole.

6. The quick lock plug of claim 5, wherein: the unlocking inclined planes (1443) in the middle of the locking piece (144) are two inclined planes positioned on two sides of the root of the locking bolt (1442), and when the pull rod (143) slides longitudinally, the two unlocking inclined planes (1443) can be extruded to enable the locking piece (144) to translate in the transverse sliding groove to realize unlocking.

7. The quick lock plug of claim 6, wherein: the longitudinal sliding groove of the plug shell (11) is formed by a longitudinal hole formed in the plug shell (11) and a tail cover assembly (15) at the tail end, and the transverse sliding groove is intersected with the longitudinal sliding groove.

8. The quick lock plug according to any one of claims 1 to 7, wherein: the locking member (144) has a projecting post structure (1441) at the rear end thereof for marking, the post structure (1441) projecting from the side of the plug housing (11) when the latch (1442) is retracted.

9. A quick-lock connector comprising a plug (1) and a socket (2), characterized in that: the plug (1) is the quick-locking plug of claim 8, the inner surface of the plug shell (11) of the quick-locking plug is matched with the outer surface of the socket shell (21), and the socket shell (21) is provided with a locking cavity (211) matched with a bolt (1442).

10. The quick lock connector of claim 9, wherein: a contact (12) and an insulator (13) are mounted in the plug housing (11).