CN210489913U

CN210489913U - Electric connector with wire spring jack of protective sleeve

Info

Publication number: CN210489913U
Application number: CN201922064490.2U
Authority: CN
Inventors: 王芳; 唐军
Original assignee: Mianyang Huayongsheng Technology Co ltd
Current assignee: Mianyang Huayongsheng Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-05-08
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses an electric connector with protective sheath wire spring jack, including contact pin and wire spring jack, be provided with the stopper on the contact pin, the wire spring jack includes front cover, back cover and endotheca, front cover and back cover fixed connection, and front cover and back cover suit are in the outside of endotheca, and the protective sheath suit is in the front cover outside, be provided with the guide rail on the protective sheath internal surface, be provided with the spout on the front cover surface, guide rail and spout sliding connection, be provided with first recess and second recess on the front cover, the front cover tip sets up spacing snap ring, and spacing snap ring is installed in first recess, is provided with the wedge inside the front cover, and the wedge is installed in the second recess, and the back cover tip is provided with the dog. The problem that the contact between a contact pin and a wire spring jack is not supplemented or a front sleeve is easy to deform under the action of external force is solved.

Description

Electric connector with wire spring jack of protective sleeve

Technical Field

The utility model relates to an electric connector, concretely relates to electric connector with protective sheath wire spring jack.

Background

The wire spring connector has the advantages of small insertion and extraction force, small contact resistance, reliable electric contact, long service life, impact resistance, vibration resistance and the like, and is widely applied to the fields of electronic equipment, communication, aviation, aerospace, weapons and the like. The electric connector in the prior art generally adopts the female contact of stiff end promptly plug, constitutes with free end male contact promptly socket, and the plug passes through split type disc and connects on the power consumption part, has the inconvenience of installation, and compressive property is not high defect.

The electric connector comprises three basic units, namely a shell, an insulator and a contact element, most of the existing electric connectors are locked by adding accessories, the electric connectors are provided with embedded accessories, the accessories are installed later through equipment, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that it is not hard up that the junction appears easily when the cooperation is inserted to close with the socket to the wire spring jack, and the wire spring jack overcoat appears wearing and tearing in long-term use, perhaps wire spring jack pressurized leads to the wire spring silk and the contact pin contact failure in the endotheca, and aim at provides an electric connector for protecting the wire spring jack, solves and inserts the in-process contact failure at contact pin and jack, and the installation is inconvenient, the lower problem of crushing resistance.

The utility model discloses a following technical scheme realizes:

the utility model provides an electric connector with protective sheath wire spring jack, includes contact pin and wire spring jack, be provided with the stopper on the contact pin, the wire spring jack includes front cover, back cover and endotheca, front cover and back cover fixed connection, and front cover and back cover suit are in the outside of endotheca, and the protective sheath suit is in the front cover outside, be provided with the guide rail on the protective sheath internal surface, be provided with the spout on the front cover surface, guide rail and spout sliding connection, be provided with first recess and second recess on the front cover, the front cover tip sets up spacing snap ring, and spacing snap ring is installed in first recess, is provided with the wedge at the front cover inside, and the wedge is installed in the second recess, and the back cover tip is provided with the dog.

The limiting block arranged on the contact pin limits the insertion of the contact pin into the limit position of the wire spring jack, the front sleeve of the wire spring jack is provided with a protective sleeve to protect the front sleeve from being affected by external force to deform the wire spring in the inner sleeve in the using process, so that the wire spring and the jack are not in sufficient contact, a guide rail on the protective sleeve is matched with a sliding groove of the front sleeve, the protective sleeve slides along the axial direction of the front sleeve, the protective sleeve is fixed by virtue of the limiting snap ring, the wedge-shaped block and the check block, when the protective sleeve is positioned on the front sleeve, one section of the protective sleeve is abutted by the check block and cannot move, and the other end of the protective sleeve; when using external force to press spacing jump ring in first recess, when removing the stopper position of contact pin with the protective sheath this moment, the wedge that is located the second recess is upwards protruding because the elastic deformation of spring, supports the tip of protective sheath behind the wedge arch, makes the protective sheath be located the stopper and the partial front cover of contact pin and sheathes in.

For further realizing that the protective sheath can move on the protecgulum, along the annular equipartition spout on the axis direction on the protecgulum surface, spout quantity is more than 4 or 4, along the annular equipartition guide rail on the endotheca axis direction on the protective sheath internal surface, guide rail quantity is more than 4 or 4, guide rail quantity is unanimous with spout quantity. The guide rail in the protective sleeve is matched with the sliding groove in the front sleeve, so that the protective sleeve can move along the front sleeve in the axial direction, and the protective sleeve can deform under the action of external force.

For further realizing the rigidity of protective sheath, be provided with first card recess on the protecgulum, first recess setting is at the tip with contact pin joint protecgulum, spacing snap ring sets up in the first recess of protecgulum tip, first recess bottom fixedly connected with shell fragment, shell fragment and spacing snap ring fixed connection, spacing snap ring both sides face is provided with the circular arc arch, is provided with the circular arc recess on the wall of first recess both sides, circular arc arch and circular arc recess clearance fit. The first groove is connected with an elastic sheet, the elastic sheet is connected with a limiting snap ring, after the limiting snap ring is stressed, the elastic sheet is stressed to move downwards, and when the limiting snap ring moves to the first groove, the arc protrusions on the two side edges of the limiting snap ring are in clearance fit with the arc grooves on the side wall of the first groove, so that the limiting snap ring is clamped in the first groove.

For the position of further restriction protective sheath, be provided with the second recess on the protecgulum, the wedge sets up in the inside second recess of protecgulum, second recess bottom fixedly connected with spring, the spring other end and wedge fixed connection. The spring is connected with the wedge block, when the protective sleeve moves forwards at the position of the front sleeve, no protective sleeve is pressed on the wedge block, the spring connected with the wedge block moves upwards by utilizing the elastic deformation of the spring, so that the wedge block moves upwards, and the wedge block abuts against the end part of the protective sleeve to prevent the protective sleeve from moving back and forth on the front sleeve; when the protective sleeve moves backwards, the end part of the protective sleeve acts on the lower end of the wedge block, the protective sleeve continues to move rightwards, and the wedge block moves downwards under the pressure of the protective sleeve.

In order to further fix the position of the protective sleeve on the front sleeve and prevent the protective sleeve from moving back and forth on the front sleeve, a stop block is arranged on the rear sleeve and is cuboid, and the stop block is arranged at the position of the connecting end of the rear sleeve and the front sleeve and is fixedly connected with the rear sleeve. The stopper is used for pushing the protective sleeve to move backwards.

In order to further realize that the protective sleeve is just right sleeved on the front sleeve and the limiting block, the distance between the stop block and the wedge-shaped block is equal to the length of the limiting block on the contact pin.

Wherein the length of the protective sleeve is less than that of the front sleeve.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model relates to an electric connector for protective sheath wire spring jack is set up protective sheath before the cover warp under the exogenic action and makes the contact of wire spring and contact pin insufficient in the front, and the protective sheath can remove in the front, when contact pin and wire spring jack are inserted and are closed the contact, the protective sheath removes on the stopper of contact pin, makes contact pin and wire spring jack insert and be difficult for droing after closing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a pin structure;

FIG. 3 is a schematic view of a pin and spring receptacle engagement;

FIG. 4 is a partial cross-sectional view of the protective sheath;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

fig. 6 is a partially enlarged view of fig. 1 at B.

Reference numbers and corresponding part names in the drawings:

1-front sleeve, 2-protective sleeve, 201-guide rail, 3-rear sleeve, 4-inner sleeve, 501-first groove, 502-limit snap ring, 503-elastic sheet, 601-second groove, 602-wedge block, 603-spring, 7-stop block and 8-limit block.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Examples

As shown in fig. 1 to 6, the utility model provides an electric connector with protective sheath wire spring jack, including contact pin and wire spring jack, be provided with stopper 8 on the contact pin, the wire spring jack includes front cover 1, back cover 3 and endotheca 4,

front cover

1 and 3 fixed connection of back cover, and

front cover

1 and 3 suits of back cover are in the outside of endotheca 4, and protective sheath 2 suit is in the 1 outside of front cover, be provided with guide rail 201 on the 2 internal surfaces of protective sheath, be provided with the spout on the 1 surface of front cover, guide rail 201 and spout sliding connection, be provided with first recess 501 and second recess 601 on the front cover 1, front cover 1 tip sets up spacing snap ring 502, and spacing snap ring 502 is installed in first recess 501, is provided with wedge 602 in front cover 1 inside, and wedge 602 is installed in second recess 601, and back cover 3 tip is provided with dog 7.

The limiting block 2 arranged on the contact pin is a limiting position for limiting the contact pin to be inserted into the wire spring jack, the front sleeve of the wire spring jack is provided with the protective sleeve 2 to protect the front sleeve 1 from being affected by external force to deform the wire spring in the inner sleeve 4 in the using process, so that the wire spring is not in sufficient contact with the jack, wherein a guide rail on the protective sleeve 2 is matched with a sliding groove of the front sleeve 1 to enable the protective sleeve 2 to slide along the axial direction of the front sleeve, the protective sleeve 2 is fixed by the limiting snap ring 502, the wedge-shaped block 602 and the stop block 7, when the protective sleeve 2 is positioned on the front sleeve, one section of the protective sleeve 2 is abutted by the stop block 7 and cannot move, and the other end of the protective; when using external force to press spacing jump ring in first recess 501, when moving protective sheath 2 to the stopper 8 position of contact pin this moment, the wedge that is located second recess 601 upwards protruding because the elastic deformation of spring, supports the tip of protective sheath 2 behind the wedge 602 arch, makes protective sheath 2 be located the stopper 8 and the partial front cover of contact pin on.

Wherein, along the annular equipartition spout on the axis direction on the 1 surface of antetheca, spout quantity is more than 4 or 4, along annular equipartition guide rail 201 on the 2 internal surfaces of protective sheath along endotheca axis direction, guide rail 201 quantity is more than 4 or 4, guide rail 201 quantity is unanimous with spout quantity. The guide rail in the protective sleeve is matched with the sliding groove in the front sleeve, so that the protective sleeve can move along the front sleeve in the axial direction, and the protective sleeve can deform under the action of external force.

The limiting snap ring 502 is arranged in a first groove 501 at the end part of the front sleeve 1, the bottom of the first groove 501 is fixedly connected with an elastic sheet 503, arc grooves are formed in two side walls of the first groove 501, arc protrusions are arranged on two side surfaces of the limiting snap ring 502, and the arc protrusions are in clearance fit with the arc grooves. First recess 501 is connected with the shell fragment, and the shell fragment is connected with spacing snap ring, and after spacing snap ring atress effect, the shell fragment atress downstream, circular arc protruding and the circular arc recess clearance fit on the first recess 501 lateral wall of spacing snap ring 502 both sides limit in the first recess 501 moves as spacing snap ring, makes spacing snap ring 502 block in first recess 501.

The wedge block 602 is arranged in a second groove 601 in the front sleeve 1, a spring 603 is fixedly connected to the bottom of the second groove 601, and the other end of the spring 603 is fixedly connected to the wedge block 602. A spring 603 is connected in the second groove 601, the spring 603 is connected with the wedge-shaped block 602, when the protective sleeve 2 is located at the front sleeve position and moves forward, no protective sleeve is pressed on the wedge-shaped block 602, the spring 603 connected with the wedge-shaped block 602 moves upward by using the elastic deformation of the spring, so that the wedge-shaped block 602 moves upward, and the wedge-shaped block 602 abuts against the end part of the protective sleeve to prevent the protective sleeve from moving back and forth on the front sleeve; when the sleeve moves backwards, the end of the sleeve 2 acts on the lower end of the wedge, the sleeve 2 continues to move to the right, and the wedge 602 moves downwards under the pressure of the sleeve.

Wherein, for further realizing the fixed position of protective sheath in the front cover, avoid the protective sheath to sheathe in the front and back-and-forth movement, be provided with the dog on the back, dog 7 is the cuboid, dog 7 sets up 3 and 1 connection end position of front cover and 3 fixed connection with the back cover behind the back cover. The stop 7 acts to move the boot back up against the boot.

The distance between the stop 7 and the wedge block 602 is equal to the length of the limiting block 8 on the pin.

Wherein, the length of the protective sleeve 2 is less than that of the front sleeve 1.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The electric connector with the wire spring jack of the protective sleeve comprises a contact pin and the wire spring jack and is characterized in that a limiting block (8) is arranged on the contact pin, the wire spring jack comprises a front sleeve (1), a rear sleeve (3) and an inner sleeve (4), the front sleeve (1) is fixedly connected with the rear sleeve (3), the front sleeve (1) and the rear sleeve (3) are sleeved outside the inner sleeve (4), a protective sleeve (2) is sleeved outside the front sleeve (1), a guide rail (201) is arranged on the inner surface of the protective sleeve (2), a sliding groove is arranged on the outer surface of the front sleeve (1), the guide rail (201) is slidably connected with the sliding groove, a first groove (501) and a second groove (601) are arranged on the front sleeve (1), a limiting snap ring (502) is arranged at the end part of the front sleeve (1), the limiting snap ring (502) is arranged in the first groove (501), a wedge-shaped block (602) is arranged inside the front sleeve (1), the wedge block (602) is arranged in the second groove (601), and a stop block (7) is arranged at the end part of the rear sleeve (3).

2. The electrical connector with the wire spring jack of the protective sleeve according to claim 1, wherein the outer surface of the front sleeve (1) is provided with a plurality of chutes which are annularly and uniformly distributed along the axial direction, the number of the chutes is 4 or more than 4, the inner surface of the protective sleeve (2) is provided with a plurality of guide rails (201) which are annularly and uniformly distributed along the axial direction of the inner sleeve, the number of the guide rails (201) is 4 or more than 4, and the number of the guide rails (201) is consistent with the number of the chutes.

3. The electrical connector with the wire spring jack of the protective sleeve according to claim 1, wherein the limiting snap ring (502) is arranged in a first groove (501) at the end of the front sleeve (1), the bottom of the first groove (501) is fixedly connected with a spring plate (503), arc grooves are arranged on two side walls of the first groove (501), arc protrusions are arranged on two side surfaces of the limiting snap ring (502), and the arc protrusions are in clearance fit with the arc grooves.

4. An electrical connector with a wire spring jack of a protective sleeve according to claim 1, characterized in that the wedge block (602) is arranged in a second groove (601) inside the front sleeve (1), a spring (603) is fixedly connected to the bottom of the second groove (601), and the other end of the spring (603) is fixedly connected to the wedge block (602).

5. An electrical connector with a wire spring jack of a protective sleeve according to claim 1, characterized in that the stopper (7) is a cuboid, and the stopper (7) is arranged at the connecting end position of the rear sleeve (3) and the front sleeve (1) and is fixedly connected with the rear sleeve (3).

6. An electrical connector with a protective casing wire spring socket according to claim 1, characterized in that the distance between the stop (7) and the wedge (602) is equal to the length of the stop (8) on the pin.

7. An electrical connector with a protective casing wire spring receptacle according to claim 1, characterized in that the length of the protective casing (2) is smaller than the length of the front casing (1).