CN219040970U

CN219040970U - Pin connection fixing structure

Info

Publication number: CN219040970U
Application number: CN202223469365.8U
Authority: CN
Inventors: 任晓君
Original assignee: Changzhou Xinglanying Hardware Co ltd
Current assignee: Changzhou Xinglanying Hardware Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-16
Anticipated expiration: 2032-12-22

Abstract

The utility model belongs to the technical field of electric connectors, in particular to a pin connection fixing structure, which comprises a chamfer, wherein a plurality of elastic metal sheets are arranged in a second connector, one end of each elastic metal sheet is connected with the inner wall of the second connector, the other end of each elastic metal sheet is connected with the inner wall of the second connector in a sliding manner, and the end face of a socket is provided with an inserting hole; through coupling mechanism's structural design, under the effect of elastic metal piece, the second connector is firm the centre gripping with first connector, simultaneously under the effect of the restoring force of electric spring for the movable block forms stable contact with first contact pin, and when inserting and extracting first contact pin, first contact pin does not take place the friction with the movable block, consequently the silvering layer on two surfaces can not be worn and torn.

Description

Pin connection fixing structure

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a pin connection fixing structure.

Background

An electronic connector, also called a circuit-connecting device, is a fitting that connects two conductors in a circuit so that current or a related signal flows directly from one of the conductors to the other conductor, and is connected by a pin when the electronic connector is in use, and is fixed by a fixing structure when the pin is connected and fixed.

The existing contact pin fixed connection structure consists of a connection groove, reeds and the like, when in connection, the contact pin is inserted into the slot, and as the inside of the slot is provided with a plurality of reeds and the plurality of reeds can deform due to extrusion, the slot is tightly contacted with the contact pin under the action of the elastic force of the plurality of reeds, so that the fixed connection of the contact pin is realized;

because the contact mode of the contact pin of the prior contact pin fixed connection structure by the plurality of reeds is elastic wrapping type contact, when a user inserts and extracts the contact pin, larger friction force is generated between the contact pin and the plurality of reeds, the contact pin and the surfaces of the plurality of reeds adopt a silver plating and gold plating mode to achieve the purposes of small contact resistance and corrosion resistance, and in the process of inserting and extracting the contact pin, the contact pin and the surfaces of the plurality of reeds are worn, so that a silver plating layer or a gold plating layer is worn away, and further the effect of small contact resistance and corrosion resistance is lost, so that signal transmission cannot be accurately carried out.

Therefore, a pin connection fixing structure is proposed for the above-mentioned problems.

Disclosure of Invention

In order to make up the deficiency of the prior art, because the contact mode of the multiple reeds to the contact pin of the existing contact pin fixed connection structure is the elastic wrap type contact, therefore when users insert and extract the contact pin, the contact pin will produce great friction force with the multiple reeds, the contact pin, the surface of the multiple reeds adopts the way of silvering and gilding to achieve the purpose of small contact resistance and corrosion resistance, in the contact pin inserting process, the contact pin produces wear with the surface of the multiple reed, thus make the silvering layer or gilding layer worn away, and then lead it to lose the small contact resistance and corrosion resistance effect, lead to the problem that can't carry on the signal transmission accurately, the utility model proposes a contact pin to connect the fixed structure.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a contact pin connection fixing structure, which comprises a first connector and a second connector, wherein the first connector is connected with a first contact pin penetrating through the first connector, the second connector is connected with a socket penetrating through the second connector, the first connector and the second connector are connected through a connecting mechanism, the connecting mechanism comprises a chamfer, a plurality of elastic metal sheets are arranged in the second connector, one end of each elastic metal sheet is connected with the inner wall of the second connector, the other end of each elastic metal sheet is connected with the inner wall of the second connector in a sliding manner, a jack is formed in the end face of the socket, a moving block is arranged in the jack, a plurality of balls are arranged on the surface of the moving block, the moving block is in rolling connection with the inner wall of the jack through the balls, an electric spring is arranged in the jack, one end of the electric spring is connected with the inner wall of the jack, and the other end of the electric spring is connected with the moving block; initially, the electric spring is in a natural state, first the first connector is moved, thereby drive the first contact pin and move, insert the inside of jack with first contact pin, thereby make first contact pin extrusion movable block, the movable block rolls under the effect of ball in the inside of jack, thereby make the electric spring compressed, therefore the signal passes through first contact pin, the movable block, the electric spring conveys the socket, simultaneously first connector gets into the inside of second connector, and through the chamfer, make first connector extrusion elastic metal sheet, under the effect of elastic metal sheet, the second connector is with the firm centre gripping of first connector, simultaneously under the effect of the resilience force of electric spring, make the movable block and first contact pin form stable contact, and when inserting and extracting first contact pin, first contact pin does not rub with the movable block, consequently the silvering layer on both surfaces can not worn and torn.

Preferably, one end of the first connector is connected with a sleeve, and the radius of the sleeve is larger than that of the socket; when the first contact pin is completely inserted into the jack, the socket enters the sleeve, and the sleeve contacts the inner wall of the second connector, so that the first contact pin and the socket can be sealed and protected by the sleeve, and the problem that dust is adhered to the surfaces of the first contact pin and the socket is prevented.

Preferably, one end of the sleeve is connected with a sealing ring; the sealing ring is connected to one end of the sleeve, so that the connection tightness of the sleeve to the first contact pin and the socket can be improved.

Preferably, a rubber pad is arranged at one end of the elastic metal sheet, and the elastic metal sheet is in sliding connection with the inner wall of the second connector through the rubber pad; when the elastic metal sheet is clamped to the first connector, one end of the elastic metal sheet slides on the inner wall of the second connector, and the elastic metal sheet can play a role in protection by arranging the rubber pad, so that the inner wall of the second connector is prevented from being scratched by one end of the elastic metal sheet.

Preferably, one end of the sleeve is slidably connected with a first rubber block, one end of the first rubber block is connected with a first connecting plate, one end of the second connecting body is slidably connected with a second rubber block, and one end of the second rubber block is connected with a second connecting plate; after the user pulls out the first contact pin, the first connecting plate and the second connecting plate are moved to plug the first rubber block and the second rubber block into the sleeve and the second connecting body, so that dust is prevented from entering, and the dust is attached to the surfaces of the first contact pin and the socket.

Preferably, the first contact pin is in clearance fit with the jack in the fit relationship; the first contact pin is in clearance fit with the jack in a matching relationship, so that a user can insert the first contact pin into the jack more conveniently.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the connecting mechanism, the first contact pin is inserted into the jack, so that the first contact pin extrudes the moving block, the moving block rolls in the jack under the action of the balls, so that the electric spring is compressed, signals are transmitted to the socket through the first contact pin, the moving block and the electric spring, meanwhile, the first connector enters the second connector, the first connector extrudes the elastic metal sheet through chamfering, the second connector firmly clamps the first connector under the action of the elastic metal sheet, meanwhile, the moving block and the first contact pin form stable contact under the action of the restoring force of the electric spring, and the first contact pin does not rub with the moving block when the first contact pin is inserted into or pulled out, so that silver plating layers on the surfaces of the first contact pin and the moving block cannot be worn out, and accurate transmission of signals can be ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic overall structure of a first connector according to a first embodiment;

FIG. 2 is a schematic diagram showing the overall structure of a connecting mechanism according to the first embodiment;

FIG. 3 is a schematic cross-sectional view of a connecting mechanism according to the first embodiment;

FIG. 4 is a schematic view showing the overall structure of a resilient metal sheet according to the first embodiment;

fig. 5 is a schematic overall structure of a first rubber block according to the second embodiment.

In the figure: 1. a first connecting body; 2. a second connector; 3. a first pin; 4. a socket; 5. a connecting mechanism; 51. chamfering; 52. an elastic metal sheet; 53. a jack; 54. an electric spring; 55. a moving block; 56. a ball; 57. a sleeve; 58. a seal ring; 59. a rubber pad; 591. a first rubber block; 592. a first connection plate; 593. a second rubber block; 594. a second connecting plate; 595. a first rubber ring; 596. and a second rubber ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a pin connection fixing structure includes a first connector 1 and a second connector 2, the first connector 1 is connected with a first pin 3 penetrating through the first connector 1, the second connector 2 is connected with a socket 4 penetrating through the second connector 2, the first connector 1 and the second connector 2 are connected through a connection mechanism 5, the connection mechanism 5 includes a chamfer 51, a plurality of elastic metal sheets 52 are arranged in the second connector 2, one end of each elastic metal sheet 52 is connected with an inner wall of the second connector 2, the other end of each elastic metal sheet 52 is slidably connected with an inner wall of the second connector 2, a jack 53 is arranged on an end face of the socket 4, a moving block 55 is arranged in the jack 53, a plurality of balls 56 are arranged on a surface of the moving block 55, the moving block 55 is in rolling connection with an inner wall of the jack 53 through the balls 56, an electric spring 54 is arranged in the jack 53, one end of each electric spring 54 is connected with the inner wall of the jack 53, and the other end of each electric spring 54 is connected with the moving block 55; when the electric connector is in operation, initially, the electric spring 54 is in a natural state, the first connector 1 is firstly moved, so that the first contact pin 3 is driven to move, the first contact pin 3 is inserted into the jack 53, so that the first contact pin 3 presses the moving block 55, the moving block 55 rolls in the jack 53 under the action of the balls 56, so that the electric spring 54 is compressed, signals are transmitted to the socket 4 through the first contact pin 3, the moving block 55 and the electric spring 54, meanwhile, the first connector 1 enters the second connector 2, the first connector 1 presses the elastic metal sheet 52 through the chamfer 51, the second connector 2 firmly clamps the first connector 1 under the action of the elastic metal sheet 52, meanwhile, the moving block 55 and the first contact pin 3 form stable contact under the action of restoring force of the electric spring 54, and when the first contact pin 3 is inserted into and pulled out, the first contact pin 3 and the moving block 55 are not rubbed, and therefore silver plating layers on the surfaces of the first contact pin 3 and the moving block 55 are not worn.

One end of the first connector 1 is connected with a sleeve 57, and the radius of the sleeve 57 is larger than that of the socket 4; when the socket is in operation, when the first contact pin 3 is completely inserted into the jack 53, the socket 4 enters the sleeve 57, and the sleeve 57 contacts the inner wall of the second connector 2, so that the first contact pin 3 and the socket 4 can be sealed and protected by the sleeve 57, and the problem that dust adheres to the surfaces of the first contact pin 3 and the socket 4 is prevented.

One end of the sleeve 57 is connected with a sealing ring 58; in operation, the sealing ring 58 is connected to one end of the sleeve 57, so that the connection tightness of the sleeve 57 to the first pin 3 and the socket 4 can be improved.

A rubber pad 59 is arranged at one end of the elastic metal sheet 52, and the elastic metal sheet 52 is in sliding connection with the inner wall of the second connector 2 through the rubber pad 59; when the elastic metal sheet 52 is in operation, in the process of clamping the first connector 1, one end of the elastic metal sheet 52 slides on the inner wall of the second connector 2, and the rubber pad 59 is arranged to protect the inner wall of the second connector 2 from being scratched by one end of the elastic metal sheet 52.

One end of the sleeve 57 is slidably connected with a first rubber block 591, one end of the first rubber block 591 is connected with a first connecting plate 592, one end of the second connecting body 2 is slidably connected with a second rubber block 593, and one end of the second rubber block 593 is connected with a second connecting plate 594; when the first pin 3 is pulled out by a user, the first and

second connection plates

592 and 594 are moved to plug the first and

second rubber blocks

591 and 593 into the sleeve 57 and the second connector 2, so that dust is prevented from entering and adhering to the surfaces of the first pin 3 and the socket 4.

The first contact pin 3 is in clearance fit with the jack 53; in operation, the first contact pin 3 is in clearance fit with the jack 53, so that a user can insert the first contact pin 3 into the jack 53 more conveniently.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, a first rubber ring 595 is disposed at the connection between the sleeve 57 and the first rubber block 591, and a second rubber ring 596 is disposed at the connection between the second connector 2 and the second rubber block 593; in operation, the tightness between the first rubber block 591 and the second rubber block 593 and the sleeve 57 and the second connector 2 can be increased by arranging the first rubber ring 595 and the second rubber ring 596.

The working principle is that, initially, the electric spring 54 is in a natural state, the first connector 1 is moved firstly, so that the first contact pin 3 is driven to move, the first contact pin 3 is inserted into the jack 53, so that the first contact pin 3 presses the moving block 55, the moving block 55 rolls in the jack 53 under the action of the balls 56, so that the electric spring 54 is compressed, therefore, signals are transmitted to the socket 4 through the first contact pin 3, the moving block 55 and the electric spring 54, meanwhile, the first connector 1 enters the second connector 2, the first connector 1 presses the elastic metal sheet 52 through the chamfer 51, the second connector 2 firmly clamps the first connector 1 under the action of the elastic metal sheet 52, meanwhile, the moving block 55 and the first contact pin 3 form stable contact under the action of restoring force of the electric spring 54, and when the first contact pin 3 is inserted into and pulled out, the first contact pin 3 and the moving block 55 are not rubbed, and therefore silver plating layers on the surfaces of the first contact pin 3 and the moving block 55 are not worn.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a contact pin connection fixed knot constructs, includes first connector (1), second connector (2), be connected with first contact pin (3) that run through its setting on first connector (1), be connected with socket (4) that run through its setting on second connector (2), first connector (1), second connector (2) are connected through coupling mechanism (5), wherein coupling mechanism (5) include chamfer (51), the inside of second connector (2) is provided with a plurality of elastic metal piece (52), the one end of elastic metal piece (52) is connected with the inner wall of second connector (2), the other end of elastic metal piece (52) and the inner wall sliding connection of second connector (2), jack (53) have been seted up to the terminal surface of socket (4), the inside of jack (53) is provided with movable block (55), the surface of movable block (55) is provided with a plurality of balls (56), movable block (55) are through the inner wall (53) and jack (53) of balls (53), the electric connection's of electric connection (54) and electric connection's of the other end (54) of electric connection of electric spring (54).

2. The pin connection fixing structure according to claim 1, wherein: one end of the first connector (1) is connected with a sleeve (57), and the radius of the sleeve (57) is larger than that of the socket (4).

3. The pin connection fixing structure according to claim 2, wherein: one end of the sleeve (57) is connected with a sealing ring (58).

4. A pin connection fixing structure according to claim 3, wherein: one end of the elastic metal sheet (52) is provided with a rubber pad (59), and the elastic metal sheet (52) is in sliding connection with the inner wall of the second connector (2) through the rubber pad (59).

5. The pin connection fixing structure according to claim 4, wherein: one end sliding connection of sleeve (57) has first rubber piece (591), the one end of first rubber piece (591) is connected with first connecting plate (592), the one end sliding connection of second connector (2) has second rubber piece (593), the one end of second rubber piece (593) is connected with second connecting plate (594).

6. The pin connection fixing structure according to claim 1, wherein: the first contact pin (3) is in clearance fit with the jack (53).