CN110649411A

CN110649411A - Novel spring connector

Info

Publication number: CN110649411A
Application number: CN201911001406.0A
Authority: CN
Inventors: 吴亮
Original assignee: SHENZHEN MOKELIAN ELECTRONICS Co Ltd
Current assignee: SHENZHEN MOKELIAN ELECTRONICS Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-01-03

Abstract

The invention discloses a novel spring connector, which comprises a socket and a plug, wherein the plug is pressed on the socket in a crimping mode through a spring buckle; the plug comprises a plug shell, an inserting part and a connecting part, wherein the inserting part is arranged in the plug shell in a sliding mode through a pressure spring assembly, and the connecting part is fixed at the rear end of the inserting part; the inserting part comprises a first plug inner core abutted against the pressure spring assembly, a first contact pin insulator fixed in the first plug inner core and a contact pin arranged on the first contact pin insulator, and the connecting part comprises a second plug inner core fixed with the tail end of the first plug inner core and a second contact pin insulator fixed between the second plug inner cores; the spring connector adopts an elastic structure, and can be inserted in a telescopic way to meet the blind insertion effect; meanwhile, the signal switching is realized by using the printed circuit board, so that the signal line after switching is thinner, and the volume and the weight of the motor are reduced; the operation is convenient and quick, and the positioning step is omitted; and the big and small lugs are adopted for positioning, so that misassembly is prevented.

Description

Novel spring connector

Technical Field

The invention relates to a connector, in particular to a novel spring connector.

Background

The connector is an electrical appliance connector and is used for connecting two active devices and transmitting current or signals, and the existing connector is divided into a circular connector and a rectangular connector according to the appearance structure, so that the size of the connector is different from the size of an inner core plug-in unit of a plug and a socket due to different practical environments; the existing connector loaded on a large motor usually adopts a direct insertion type design, and because the size of a connector plug and a socket is small, a contact pin is difficult to align to a jack, so that the installation difficulty is greatly improved.

At present, the motor is connected by a cable or a common connector, the process is complex when the motor is assembled, the difficulty is high when the motor is disassembled for a long time, and the motor is not beneficial to assembly and maintenance.

Disclosure of Invention

The present invention aims to solve at least one of the above technical problems to a certain extent. The aim of the invention is to make the assembly and disassembly of the electric motor easier and faster.

A novel spring connector comprises a socket and a plug which is pressed on the socket through a snap fastener; the plug comprises a plug shell, an inserting part and a connecting part, wherein the inserting part is arranged in the plug shell in a sliding mode through a pressure spring assembly, and the connecting part is fixed at the rear end of the inserting part; the inserting part comprises a first plug inner core abutted with the pressure spring assembly, a first contact pin insulator fixed in the first plug inner core and a contact pin arranged on the first contact pin insulator, and the connecting part comprises a second plug inner core fixed at the tail end of the first plug inner core and a second contact pin insulator fixed between the second plug inner cores.

Further, the pressure spring assembly comprises a guide pin and a pressure spring nested on the guide pin; the two ends of the pressure spring are respectively abutted against the guide pin and the first plug inner core and used for limiting the left and right directions of the pressure spring.

Furthermore, a first positioning lug is further arranged on the plug shell close to the first plug inner core.

Furthermore, a first conversion jack used for being connected with an external motor is further arranged on the second contact pin insulator.

Further, the first conversion jack and the contact pin are welded through a lead.

Furthermore, a thread locking cover is further installed on one side, away from the pressure spring, of the guide pin, and the thread locking cover is rotatably installed at the tail end of the plug shell.

Further, the socket comprises a socket shell, a socket inner core arranged in the socket shell, a first jack insulator fixed between the socket inner cores, jacks arranged on the jack insulator and a socket connecting part arranged at the rear end of the jacks.

Furthermore, the socket connecting portion is including setting up in the printed circuit board of jack rear end to and weld the bi-pass adaptor at printed circuit board one end, the bi-pass jack that closes with the bi-pass adaptor other end plug-in.

Further, the socket connecting portion further includes a second jack insulator for fixing the two-way adaptor and the two-way jack.

Furthermore, a socket pressure spring is arranged between the socket shell and the socket inner core, and a second positioning lug is further arranged on the socket shell.

The invention has the beneficial effects that:

the front end of the insertion part of the plug in a natural state protrudes out of the front end face of the plug shell, the insertion part is elastically pressed and buckled in the plug shell through a pressure spring, the rear end of the pressure spring is limited through a guide pin and a thread locking cover, and the spring connector adopts an elastic structure and can be inserted in a telescopic mode to meet the blind insertion effect; meanwhile, the signal switching is realized by using the printed circuit board, so that the signal line after switching is thinner, and the volume and the weight of the motor are reduced; the operation is convenient and quick, and the positioning step is omitted; the big and small lugs are adopted for positioning, so that misassembly is prevented; the sealing waterproof structure can reach IP 68.

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 structures shown in the drawings without creative efforts.

Fig. 1 is a diagram 1 showing a state of use of a servo motor in embodiment 1 of the present invention;

FIG. 2 is a diagram 2 showing a state of use of a servo motor in embodiment 1 of the present invention;

FIG. 3 is a diagram 2 showing a state of use of a servo motor in embodiment 1 of the present invention;

fig. 4 is a schematic sectional view of a plug in embodiment 1 of the present invention;

fig. 5 is a schematic view of the overall structure of a plug in embodiment 1 of the present invention;

fig. 6 is a schematic sectional view of a socket in embodiment 1 of the present invention.

Shown in the drawings

1. An upper housing portion; 2. a lower housing portion; 3. a circular boss; 4. a plug; 5. a socket; 41. a plug housing; 42. a compression spring assembly; 43. an insertion part; 44. a connecting portion; 51. a socket housing; 52. an inner core of the socket; 53. a first jack insulator; 54. a jack; 55. a socket connecting portion; 56. a socket pressure spring; 411. a first positioning ear; 412. a screw locking cover; 421. a guide pin; 422. a pressure spring; 431. a first plug inner core; 432. a first pin insulator; 433. inserting a pin; 441. a second plug inner core; 442. a second pin insulator; 443. a first transition jack; 511. a second positioning lug; 551. a printed circuit board; 552. a two-way adapter; 553. a bi-pass jack; 554. a second jack insulator.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indications (such as up, down, left, right, front, back, inner and outer, center … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1:

a servo motor as shown in fig. 1-3, comprising an upper casing 1 and a lower casing 2, wherein a circular boss 3 is arranged at the center of the lower casing 2, a plug 4 is installed at the outer side of the center of the upper casing 1, and a socket 5 is arranged at the outer side of the lower casing 2, wherein the upper casing 1 and the lower casing 2 are cylindrical and the radii of the upper casing 1 and the lower casing 2 are equal, and the distance from the center point of the socket 5 to the center of the upper casing 1 is equal to the distance from the center point of the lower casing 2 to the center of the upper casing.

Preferably, as shown in fig. 4 to 6, the plug 4 includes a plug housing 41, an insertion portion 43 slidably mounted in the plug housing 41 by a compression spring assembly 42, and a connecting portion 44 fixed to a rear end of the insertion portion 43; the inserting part 43 comprises a first plug inner core 431 abutted with the pressure spring assembly 42, a first pin insulator 432 fixed in the first plug inner core 431, and a pin 433 arranged on the first pin insulator 432, and the connecting part 44 comprises a second plug inner core 441 fixed with the tail end of the first plug inner core 431, and a second pin insulator 442 fixed between the second plug inner cores 441; the pressure spring assembly 42 comprises a guide pin 421 and a pressure spring 422 nested on the guide pin 421; two ends of the pressure spring 422 are respectively abutted against the guide pin 421 and the first plug inner core 431 and used for limiting the left and right directions of the pressure spring 322;

preferably, the plug housing 41 is further provided with a first positioning lug 411 adjacent to the first plug core 431.

Preferably, the second pin insulator 442 is further provided with a first switching socket 443 for connecting with a line in the upper housing part 1, and the first switching socket 443 is welded with the pin 433 through a wire; the first switching insertion hole 443 is provided for the purpose of enabling the cable of the plug to be fitted to the connection terminal inside the upper case portion 1 at the rear end.

Preferably, a screw locking cover 412 is further installed on one side of the guide pin 421 away from the compression spring 422, the screw locking cover 412 is rotatably installed at the tail end of the plug housing 41, and the compression spring 422 is pressed in the plug housing 41 through the screw locking cover 412.

Preferably, the receptacle 5 includes a receptacle housing 51, a receptacle core 52 disposed in the receptacle housing 51, and a first receptacle insulator 53 fixed between the receptacle cores 52, and further includes a receptacle 54 disposed on the receptacle insulator 53 and a receptacle connecting portion 55 disposed at a rear end of the receptacle 54.

Preferably, the socket connecting portion 55 includes a printed circuit board 551 provided at a rear end of the insertion hole 54, and a two-way adapter 552 soldered at one end of the printed circuit board 551, a two-way insertion hole 553 inserted into the other end of the two-way adapter 552, one end of the two-way insertion hole 553 remote from the two-way adapter 552 being connected with the internal wiring of the lower case portion 2; the printed circuit board 551 is mainly used for signal transfer of signals after the connection between the jack 54 and the pin 433, and realizes data communication or electrical connection with the lower housing part 2 through the double-pass jack 553.

Preferably, the receptacle connecting portion 55 further includes a second jack insulator 554 for fixing the two-way adapter 552 and the two-way jack 553.

Preferably, a socket pressure spring 56 is further arranged between the socket shell 51 and the socket inner core 52, and a second positioning lug 511 is further arranged on the socket shell 51; further specifically, the positioning can be performed in advance by the first positioning lug 411 and the second positioning lug 511.

It needs to be further explained that the working principle of the invention is as follows:

firstly, a plug 4 is installed on the outer side part of an upper shell part 1, so that the bottom surface of a first positioning lug 411 is flush with the lower end surface of the upper shell part 1, after the plug 4 is installed, a socket 5 is installed on the outer side part of a lower shell part 2 according to the arrangement direction of the first positioning lug 411 of the plug 4, wherein the upper end surface of a second positioning lug 511 on the socket 5 is flush with the upper end surface of the lower shell part 2, downward pressure is applied to the upper shell part 1 at the top end of the upper shell part 1, so that the upper shell part 1 is attached to the lower shell part 2, as shown in fig. 2, after the upper shell part 1 and the lower shell part 2 are matched, at the moment, a first plug inner core 431 compresses a pressure spring 422, so that an inserting part 43 and a connecting part 44 move along the inner diameter of a plug shell; and applying a rotation torque along the center of the circular boss 3 in the forward direction or the reverse direction to the upper shell 2, when the plug 4 rotates to a position right above the socket 5, as shown in fig. 3, the plug 4 is elastically buckled on the socket 5 by resilience of the pressure spring 422, then the connecting part 44 retracts into the plug 4, specifically, the outer side surface of the first plug inner core 431 of the inserting part 43 is inserted into a gap between the socket inner core 431 and the first jack insulator 432, the contact pin 433 is connected with the jack 54 in a matching manner, the socket pressure spring 56 arranged between the socket 5 and the socket inner core 52 is used for offsetting the resilience generated by the pressure spring 422 of the plug 4, and meanwhile, an axial pretightening force is provided, so that the plug 4 and the socket 5 are tighter during the matching and inserting.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel spring connector is characterized in that: the plug comprises a socket and a plug which is pressed on the socket through a snap-type connector; the plug comprises a plug shell, an inserting part and a connecting part, wherein the inserting part is arranged in the plug shell in a sliding mode through a pressure spring assembly, and the connecting part is fixed at the rear end of the inserting part; the inserting part comprises a first plug inner core abutted against the pressure spring assembly, a first contact pin insulator fixed in the first plug inner core and a contact pin arranged on the first contact pin insulator, and the connecting part comprises a second plug inner core fixed at the tail end of the first plug inner core and a second contact pin insulator fixed between the second plug inner cores.

2. The novel spring connector of claim 1, wherein: the pressure spring assembly comprises a guide pin and a pressure spring nested on the guide pin; and two ends of the pressure spring are respectively abutted against the guide pin and the first plug inner core and used for limiting the left and right directions of the pressure spring.

3. The novel spring connector of claim 1, wherein: the plug shell is close to the first plug inner core, and a first positioning lug is further arranged on the plug shell.

4. The novel spring connector of claim 1, wherein: and a second conversion jack used for being connected with an external motor is also arranged on the second contact pin insulator.

5. The novel spring connector of claim 4, wherein: and the second conversion jack and the contact pin are welded through a lead.

6. The novel spring connector of claim 2, wherein: and one side of the guide pin, which is far away from the pressure spring, is also provided with a thread locking cover, and the thread locking cover is rotatably arranged at the tail end of the plug shell.

7. The novel spring connector of claim 1, wherein: the socket comprises a socket shell, socket inner cores arranged in the socket shell, a first jack insulator fixed between the socket inner cores, jacks arranged on the jack insulator, and a socket connecting part arranged at the rear ends of the jacks.

8. The novel spring connector of claim 7, wherein: socket connecting portion including set up in the printed circuit board of jack rear end, and welding the bi-pass adaptor of printed circuit board one end, with the bi-pass jack that the bi-pass adaptor other end inserted and closes.

9. The novel spring connector of claim 8, wherein: the socket connecting portion further comprises a second jack insulator used for fixing the double-pass adaptor and the double-pass jack.

10. The novel spring connector of claim 7, wherein: and a socket pressure spring is further arranged between the socket shell and the socket inner core, and a second positioning lug is further arranged on the socket shell.