CN215579202U - Elastic contact pin for electric connector - Google Patents

Abstract

The utility model discloses an elastic contact pin for an electric connector, which comprises an elastic needle head, wherein one end of the elastic needle head is a ball head, the other end of the elastic needle head consists of four groups of arc-shaped elastic sheets, the elastic needle head is connected with a connecting pipe through a connecting component, one end of the connecting pipe is sleeved with an insulating rubber sleeve, the connecting pipe is sleeved with a protective sleeve, two groups of guide rails are arranged in the protective sleeve, a fixing component is arranged between the two groups of guide rails, the end, sleeved with the insulating rubber sleeve, of the connecting pipe is penetrated in the fixing component, the arc-shaped elastic sheets can generate reaction force after being extruded, the stability of the elastic needle head inserted into a jack is improved, the elastic needle head can be taken down by unscrewing the threaded sleeve, the elastic needle head is convenient to replace, the elastic needle head and the connecting pipe are sleeved with the protective sleeves, the phenomenon that the elastic needle head and the connecting pipe are broken or bent under the influence of external force is avoided, and the service lives of the elastic needle head and the connecting pipe are prolonged, when the elastic needle is used, the mounting frame is moved, and the elastic needle head and the connecting pipe are extended out of the protective sleeve.

Description

Elastic contact pin for electric connector

Technical Field

The utility model relates to the technical field of connector equipment, in particular to an elastic contact pin for an electric connector.

Background

The connector is generally used for connecting a cable or mounted on an electronic device to conduct current and transmit signals, and generally comprises a housing, an insulator and a contact element, wherein the contact element is a pin, and in a plug-in type electrical connection structure, electrical connection is generally achieved through direct contact between the pin and a jack.

For example, application No.: 2019215215589 discloses an electrically conductive contact pin of electric connector, including contact pin and wire terminal, the lower extreme fixedly connected with supporting seat of contact pin, wire terminal fixed connection is at the lower extreme of supporting seat, and wire terminal and contact pin electric connection, the fixed conducting strip that has cup jointed in the outside of wire terminal, the first annular piece of upper end fixedly connected with of supporting seat, the outside slip of contact pin has cup jointed the second annular piece that corresponds with first annular piece, and two vertical slide bars of lower extreme fixedly connected with of second annular piece, the spout that corresponds with the slide bar is seted up to the upper end of supporting seat, and be provided with the return mechanism with slide bar connection in the spout, same strengthening mechanism has been cup jointed in the outside of per two supporting seats.

The conductive pin of the electric connector has the following defects:

1. the contact pin in the conductive contact pin of the electric connector is a rigid contact pin, and the contact pin is easy to loosen after the contact pin is matched with the jack for many times, so that the contact pin is inconvenient to replace and inconvenient to use.

2. The electric connector conductive contact pin does not have a protection device, the contact pin is easy to break or bend under the action of external force, and the service life of the contact pin is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elastic contact pin for an electric connector, which can effectively solve the problems.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an electric connector is with elasticity contact pin, elasticity contact pin include the elasticity syringe needle, the one end of elasticity syringe needle is the bulb, the other end of elasticity syringe needle comprises four group's arc-shaped elastic pieces, the elasticity syringe needle is connected with the connecting pipe through coupling assembling, the pot head of connecting pipe is equipped with the insulating rubber cover, the insulating rubber cover with the connecting pipe is for bonding, the cover is equipped with the protective sheath on the connecting pipe, be provided with two sets of guide rails in the protective sheath, two sets of be provided with fixed subassembly between the guide rail, the connecting pipe cover is equipped with that one end of insulating rubber cover is worn to establish in the fixed subassembly.

Further, coupling assembling is including fixed pipe, four fixed slots of group have evenly been seted up at the middle part of fixed pipe, be provided with contact a on four arc-shaped elastic pieces of group in the elastic needle head respectively, the one end that the insulating rubber cover was kept away from to the connecting pipe evenly is provided with four group's contact b, contact a with contact b all sets up in the fixed slot, just contact a with contact b contacts, the one end of fixed pipe is provided with the external screw thread, the cover is equipped with the thread bush on the external screw thread, the thread bush supports contact b.

Further, coupling assembling is including fixed cover, the one end that insulating rubber cover was kept away from to the connecting pipe is provided with touch tube b, touch tube b wears to establish in the fixed cover, just touch tube b with fixed cover is transition fit, that one end of four groups of arc-shaped elastic pieces in the elasticity syringe needle is provided with touch tube an, touch tube an wears to establish in the touch tube b, just touch tube an with touch tube b is transition fit, fixed cover touch tube b with touch tube a is last to have seted up the connecting hole respectively, wear to be equipped with transition fit's fixed pin in the connecting hole.

Furthermore, two sets of limiting grooves are uniformly formed in the inner side of the contact tube b, two sets of limiting blocks are uniformly arranged on the outer side of the contact tube a, and the limiting blocks are clamped in the limiting grooves.

Further, the fixing tube, the threaded sleeve, the fixing sleeve and the fixing pin are all made of polyimide materials.

Further, fixed subassembly is including solid fixed ring and mounting bracket, gu fixed ring's the outside is provided with links up the piece, it establishes to link up the piece card on two sets of on the guide rail, the guide way has been seted up to the week side of protective sheath, the spout has been seted up respectively to the both sides of mounting bracket, the mounting bracket sets up in the guide way, the spout card is established the both sides of guide way, spacing hole has been seted up on the mounting bracket, wear to be equipped with the spliced pole in the spacing hole, the lower extreme of spliced pole is provided with the loose ring, wear to be equipped with fixed knob on the mounting bracket, fixed knob supports the upper end of spliced pole, the loose ring with gu fixed ring cooperation centre gripping the insulating rubber cover.

Furthermore, the lower end of the fixing knob is provided with a cotter pin, the upper end of the connecting column is provided with a connecting hole, the cotter pin is clamped in the connecting hole, one side of the mounting rack is provided with a shifting block, and the shifting block is evenly provided with a plurality of groups of anti-slip strips.

The utility model has the beneficial effects that:

1. when the elasticity syringe needle inserted the jack, four group's arc shell fragment produced reaction force after receiving the extrusion and made the arc shell fragment support the jack inboard to improve the fixed stability of device, avoid producing not hard up phenomenon, rotatory thread bush makes the thread bush cancellation to contact b's pressure, can make four group's contact an break away from the fixed slot through four group's arc shells of compression this moment, thereby take off the elasticity syringe needle, it is convenient to change.

2. Through the cover on elasticity syringe needle and connecting pipe being equipped with the protective sheath, during the use, remove the mounting bracket, the mounting bracket removes and makes activity ring and solid fixed ring remove through the spliced pole, thereby stretch out elasticity syringe needle and connecting pipe from the protective sheath, reverse movement mounting bracket makes elasticity syringe needle and connecting pipe retract in the protective sheath when not using, avoid elasticity syringe needle and connecting pipe to receive external force influence to produce the phenomenon of rupture or bending, improve the life of elasticity syringe needle and connecting pipe.

Drawings

The utility model will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is an exploded view of a connecting member in embodiment 1 of the present invention;

FIG. 5 is an exploded view of a portion of the assembly of the present invention;

FIG. 6 is an enlarged schematic view of area A of FIG. 3;

FIG. 7 is an enlarged schematic view of region B of FIG. 5;

fig. 8 is an exploded view of a subassembly in the middle of embodiment 2 of the utility model;

fig. 9 is an enlarged schematic view of region C in fig. 8.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

10. a protective sleeve; 11. an insulating rubber sleeve; 12. a guide rail; 13. an elastic needle head; 14. a guide groove; 15. a connecting pipe; 16. a fixed tube; 17. fixing grooves; 18. a threaded sleeve; 19. an external thread; 21. anti-slip strips; 22. shifting blocks; 23. a limiting hole; 24. a chute; 25. a movable ring; 26. a fixing ring; 27. a joining block; 28. fixing the knob; 29. a mounting frame; 30. connecting columns; 31. an engagement hole; 101. a cotter pin; 102. a contact piece a; 103. a contact piece b; 104. a limiting groove; 105. a contact tube b; 106. fixing a sleeve; 107. a limiting block; 108. contacting a tube a; 109. connecting holes; 110. and fixing the pin.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1 to 7, an elastic contact pin for an electrical connector includes an elastic needle 13, one end of the elastic needle 13 is a ball head, the other end of the elastic needle 13 is composed of four sets of arc-shaped elastic pieces, the ball head of the elastic needle 13 plays a role in guiding and is convenient to insert into a jack (not shown), when the elastic needle 13 is inserted into the jack, the four sets of arc-shaped elastic pieces generate a reaction force after being extruded to enable the arc-shaped elastic pieces to abut against the inner side of the jack, thereby improving the stability of the device fixation and avoiding the phenomenon of looseness.

Elastic needle 13 is connected with connecting pipe 15 through coupling assembling, coupling assembling includes fixed pipe 16, four groups of fixed slots 17 have evenly been seted up at fixed pipe 16's middle part, be provided with contact a102 on the four groups of arc shell fragment in elastic needle 13 respectively, that one end that insulating rubber cover 11 was kept away from to connecting pipe 15 evenly is provided with four groups of contact b103, contact a102 and contact b103 are all seted up in fixed slot 17, and contact a102 contacts with contact b103, the one end of fixed pipe 16 is provided with external screw thread 19, the cover is equipped with threaded sleeve 18 on the external screw thread 19, threaded sleeve 18 supports contact b 103.

The pressure on the contact piece b103 is removed by rotating the threaded sleeve 18, and at the moment, the four groups of contact pieces a102 can be separated from the fixed groove 17 by compressing the four groups of arc-shaped springs, so that the elastic needle head 13 is taken down and is convenient to replace, and the threaded sleeve 18 is matched with the external thread 19 on the fixed pipe 16 to have good self-locking performance and not easy to generate the phenomenon of loose connection.

One pot head of connecting pipe 15 is equipped with insulating rubber sleeve 11, and insulating rubber sleeve 11 is for bonding with connecting pipe 15, conveniently changes insulating rubber sleeve 11, and it is convenient to change, and the cover is equipped with protective sheath 10 on the connecting pipe 15, is provided with two sets of guide rails 12 in the protective sheath 10, is provided with fixed subassembly between two sets of guide rails 12.

Fixed subassembly is including solid fixed ring 26 and mounting bracket 29, gu fixed ring 26's the outside is provided with links up piece 27, it establishes on two sets of guide rails 12 to link up piece 27 card, guide way 14 has been seted up to the week side of protective sheath 10, spout 24 has been seted up respectively to mounting bracket 29's both sides, mounting bracket 29 sets up in guide way 14, spout 24 card is established in the both sides of guide way 14, spacing hole 23 has been seted up on mounting bracket 29, wear to be equipped with spliced pole 30 in the spacing hole 23, spliced pole 30's lower extreme is provided with loose ring 25, wear to be equipped with fixed knob 28 on the mounting bracket 29, fixed knob 28 supports the upper end of spliced pole 30, loose ring 25 cooperates centre gripping insulating rubber sleeve 11 with solid fixed ring 26.

Place between solid fixed ring 26 and activity ring 25 through the insulating rubber cover 11 with connecting pipe 15 one end, then rotate fixed knob 28, fixed knob 28 rotates and the downstream, and fixed knob 28 moves down and supports spliced pole 30 downstream, and spliced pole 30 downstream makes activity ring 25 downstream and solid fixed ring 26 cooperation carry out the centre gripping with connecting pipe 15, and the centre gripping is convenient, firm, and during the dismantlement, fixed knob 28 can of antiport.

The fixing ring 26 is clamped on the two groups of guide rails 12 through the connecting block 27, the mounting frame 29 is clamped on two sides of the guide groove 14 through the sliding grooves 24, in use, the mounting frame 29 is moved by moving the mounting frame 29 to enable the movable ring 25 and the fixing ring 26 to move through the connecting column 30, so that the elastic needle 13 and the connecting pipe 15 are extended out of the protective sleeve 10, when the protective sleeve is not used, the elastic needle 13 and the connecting pipe 15 are retracted into the protective sleeve 10 by reversely moving the mounting frame 29, the phenomenon that the elastic needle 13 and the connecting pipe 15 are broken or bent due to external force influence is avoided, and the service lives of the elastic needle 13 and the connecting pipe 15 are prolonged.

The lower extreme of fixed knob 28 is provided with split pin 101, and the linkage hole 31 has been seted up to the upper end of spliced pole 30, and split pin 101 card is established in linkage hole 31, and fixed knob 28 of being convenient for drives spliced pole 30 and removes, and one side of mounting bracket 29 is provided with shifting block 22, evenly is provided with multiunit antislip strip 21 on the shifting block 22, conveniently removes mounting bracket 29.

Example 2:

as shown in fig. 8 and 9, the connecting assembly includes a fixing sleeve 106, a contact tube b105 is disposed at one end of the connecting tube 15 away from the insulating rubber sleeve 11, the contact tube b105 is disposed in the fixing sleeve 106, the contact tube b105 and the fixing sleeve 106 are in transition fit, a contact tube a108 is disposed at one end of each of the four groups of arc-shaped elastic pieces in the elastic needle 13, the contact tube a108 is disposed in the contact tube b105, the contact tube a108 and the contact tube b105 are in transition fit, the fixing sleeve 106, the contact tube b105 and the contact tube a108 are respectively provided with a connecting hole 109, and a fixing pin 110 in transition fit is disposed in the connecting hole 109.

Two sets of spacing grooves 104 have evenly been seted up to the inboard of touch tube b105, and the outside of touch tube a108 evenly is provided with two sets of stoppers 107, and stopper 107 card is established in spacing groove 104, is convenient for fix a position touch tube a108, ensures that connecting hole 109 on the touch tube a108 is coaxial with connecting hole 109 on the touch tube b105, conveniently fixes through fixed pin 110.

The fixing tube 16, the threaded sleeve 18, the fixing sleeve 106 and the fixing pin 110 are all made of polyimide materials, and the materials still have excellent insulation under the environments of high temperature, high pressure, high speed, high humidity and the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 shows and describes the general principles, essential features, and advantages of the utility model. 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 utility model as claimed.

Claims (7)

1. Elastic contact pin for electric connector, its characterized in that: including elasticity syringe needle (13), the one end of elasticity syringe needle (13) is the bulb, the other end of elasticity syringe needle (13) comprises four groups of arc shell fragment, elasticity syringe needle (13) are connected with connecting pipe (15) through coupling assembling, the pot head of connecting pipe (15) is equipped with insulating rubber sleeve (11), insulating rubber sleeve (11) with connecting pipe (15) are for bonding, the cover is equipped with protective sheath (10) on connecting pipe (15), be provided with two sets of guide rails (12) in protective sheath (10), two sets of be provided with fixed subassembly between guide rail (12), connecting pipe (15) cover is equipped with that one end of insulating rubber sleeve (11) and wears to establish in the fixed subassembly.

2. The resilient pin for an electrical connector of claim 1, further comprising: coupling assembling is including fixed pipe (16), four sets of fixed slots (17) have evenly been seted up at the middle part of fixed pipe (16), be provided with contact a (102) on four sets of arc shell fragment in elastic needle (13) respectively, that one end that insulating rubber cover (11) was kept away from in connecting pipe (15) evenly is provided with four sets of contact b (103), contact a (102) with contact b (103) all seted up in fixed slot (17), just contact a (102) with contact b (103) contact, the one end of fixed pipe (16) is provided with external screw thread (19), the cover is equipped with thread bush (18) on external screw thread (19), thread bush (18) support contact b (103).

3. The resilient pin for an electrical connector of claim 2, further comprising: coupling assembling is including fixed cover (106), the one end that insulating rubber cover (11) was kept away from in connecting pipe (15) is provided with touches tub b (105), touch tub b (105) and wear to establish in fixed cover (106), just touch tub b (105) with fixed cover (106) are transition fit, the one end of four groups arc-shaped elastic pieces in elasticity syringe needle (13) is provided with touches tub a (108), touch tub a (108) wear to establish in touching tub b (105), just touch tub a (108) with touch tub b (105) are transition fit, fixed cover (106), touch tub b (105) with connecting hole (109) have been seted up on touching tub a (108) respectively, wear to be equipped with transition fit's fixed pin (110) in connecting hole (109).

4. The resilient pin for an electrical connector of claim 3, further comprising: two sets of spacing grooves (104) have evenly been seted up to the inboard of touch tube b (105), the outside of touch tube a (108) evenly is provided with two sets of stopper (107), stopper (107) card is established in spacing groove (104).

5. The resilient pin for an electrical connector of claim 3, further comprising: the fixing tube (16), the threaded sleeve (18), the fixing sleeve (106) and the fixing pin (110) are all made of polyimide materials.

6. The resilient pin for an electrical connector of claim 1, further comprising: the fixing component comprises a fixing ring (26) and a mounting rack (29), the outer side of the fixing ring (26) is provided with a connecting block (27), the connecting blocks (27) are clamped on the two groups of guide rails (12), guide grooves (14) are arranged on the peripheral side of the protective sleeve (10), the two sides of the mounting rack (29) are respectively provided with a sliding chute (24), the mounting rack (29) is arranged in the guide groove (14), the sliding grooves (24) are clamped at two sides of the guide groove (14), the mounting rack (29) is provided with a limiting hole (23), a connecting column (30) penetrates through the limiting hole (23), a movable ring (25) is arranged at the lower end of the connecting column (30), a fixed knob (28) penetrates through the mounting rack (29), the fixed knob (28) props against the upper end of the connecting column (30), the movable ring (25) and the fixed ring (26) are matched and clamped with the insulating rubber sleeve (11).

7. The resilient pin for an electrical connector of claim 6, further comprising: the lower extreme of fixed knob (28) is provided with split pin (101), linkage hole (31) have been seted up to the upper end of spliced pole (30), split pin (101) card is established in linkage hole (31), one side of mounting bracket (29) is provided with shifting block (22), evenly be provided with multiunit antislip strip (21) on shifting block (22).

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