CN218242424U - Large-current low-insertion-and-extraction-force machine needle structure - Google Patents
Large-current low-insertion-and-extraction-force machine needle structure Download PDFInfo
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- CN218242424U CN218242424U CN202221836835.7U CN202221836835U CN218242424U CN 218242424 U CN218242424 U CN 218242424U CN 202221836835 U CN202221836835 U CN 202221836835U CN 218242424 U CN218242424 U CN 218242424U
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- needle
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- male
- main body
- extraction
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Abstract
The utility model discloses a heavy current low plug power car needle structure, including female needle, protective sheath and public needle. The snap ring is convexly arranged in the opening of the inserting cavity, and the inner side wall and the outer side wall of the front end of the connecting part are penetrated to form a plurality of through grooves, so that the inserting force between the male needle and the female needle can be reduced through the through grooves when the male needle is connected with the female needle in an inserting mode, meanwhile, the stability of connection between the male needle and the female needle can be guaranteed due to the arrangement of the snap ring, a user can more conveniently insert the male needle and the female needle, the contact area of the male needle and the female needle in the connecting process can be increased by increasing the length of the snap ring in the production process, and the function of large-current transmission can be met; and the cooperation is provided with the protective sheath to and the protective sheath cover is located outside the connecting portion, make it can protect the connecting portion of female needle well through the protective sheath, prevent that the connecting portion of female needle from receiving external force deformation and influencing the transmission of electric current because of in the use, improved user's use and experienced.
Description
Technical Field
The utility model belongs to the technical field of the connector technique and specifically relates to indicate a heavy current low plug power car needle structure.
Background
The needle connection structure is required to meet general performance requirements, and particularly important requirements are that the electric connector has good contact, reliable work and convenient maintenance, and the work reliability directly influences the normal work of a circuit, and the safety and the danger of the whole host are involved. For this reason, the host circuit has very strict requirements on the quality and reliability of the electrical connector, and is also widely used in various large-scale systems due to the high quality and reliability of the needle connection structure. The common classification method comprises the shape, the structure, the application and the like.
The existing needle structure generally comprises a male needle and a female needle, wherein the male needle is inserted into the female needle for matching connection during connection, and the male needle is in contact connection with the female needle, so that the size of the female needle is smaller than that of the male needle in order to ensure better contact performance, and the insertion and extraction force between the male needle and the female needle is too large, so that the needle structure is inconvenient for a user to use; secondly, the female needle is easy to deform under the action of external force in the using process, poor contact is easy to be caused after deformation, the transmission of current between the male needle and the female needle is influenced, and the user experience is poor; therefore, there is a need for further improvements to existing electrical connector structures.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a large current low insertion and extraction force needle structure, which can effectively solve the problems of too large insertion and extraction force, inconvenient use by users, easy deformation of the female needle and poor user experience of the existing electrical connector.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a large-current low-insertion-and-extraction-force machine needle structure comprises a female needle, a protective sleeve and a male needle; the female needle comprises a female needle seat and a connecting part extending forwards from the female needle seat integrally, wherein an inserting cavity with a forward opening is formed in the connecting part, a clamping ring is arranged in the opening of the inserting cavity in a protruding mode, a plurality of through grooves are formed in the inner side wall and the outer side wall of the front end of the connecting part in a penetrating mode, the through grooves are distributed at intervals in the circumferential direction of the inserting cavity in the axial direction, each through groove extends in parallel to the axial direction of the inserting cavity, and each through groove penetrates through the front end face of the connecting part and the clamping ring and divides the clamping ring into multiple sections; the protective sleeve is sleeved outside the connecting part, the front end of the protective sleeve is provided with an inserting hole, and the inserting hole is just opposite to and communicated with the opening of the inserting cavity; the male pin comprises a male pin seat and a plug-in connector, wherein the male pin seat is integrally formed, the plug-in connector integrally extends out of the male pin seat, and the plug-in connector penetrates through the plug-in hole to be inserted into the plug-in cavity to be tightly matched with the plug-in cavity.
As a preferable scheme, a first annular guide surface is arranged on the inner wall surface of the opening of the insertion cavity; correspondingly, the periphery of the outer end of the plug connector is provided with a second annular guide surface matched with the first annular guide surface.
As a preferred scheme, two first connecting blocks which are symmetrically arranged extend outwards integrally from the other end of the female needle base, the two first connecting blocks are flat, a first threaded hole fixedly connected with the outside is formed between the two first connecting blocks in a surrounding mode, and the first threaded hole is communicated with the inserting cavity.
As a preferable scheme, two symmetrically arranged second connecting blocks extend outwards from the other end of the male needle base integrally, the two second connecting blocks are flat, and a second threaded hole fixedly connected with the outside is formed between the two second connecting blocks in a surrounding manner.
As a preferable scheme, the through grooves are 4 grooves which are arranged at equal angle intervals.
Preferably, the connecting portion includes a first main body portion and an elastic portion, the first main body portion and the elastic portion are integrally connected, the through groove penetrates from an outer end surface of the elastic portion to a front end surface of the first main body portion, and a diameter of the elastic portion is smaller than a diameter of the first main body portion.
As a preferred scheme, the protective sleeve includes a second main body portion connected by integral forming and an annular protection portion extending inward integrally from an outer end of the second main body portion, the second main body portion is sleeved on an outer edge of the connecting portion, and the annular protection portion covers an outer end surface of the connecting portion.
Preferably, the female needle holder is provided with a limiting part, and an outer end face of the second main body part abuts against an outer end face of the limiting part.
As a preferred scheme, the protective sheath is made of stainless steel.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the female needle comprises a female needle seat and a connecting part extending forwards from the female needle seat, the connecting part is provided with an inserting cavity with a forward opening, a clamping ring is arranged in the opening of the inserting cavity in a protruding mode, the inner side wall and the outer side wall of the front end of the connecting part penetrate through to form a plurality of through grooves, each through groove penetrates through the front end face of the connecting part and the clamping ring and divides the clamping ring into a plurality of sections, when the male needle is connected with the female needle in an inserting mode, the inserting and pulling force between the male needle and the female needle can be reduced through the through grooves, meanwhile, the stability of connection between the male needle and the female needle can be guaranteed due to the arrangement of the clamping ring, a user can insert the male needle more conveniently, the contact area of the male needle and the female needle can be increased by increasing the length of the clamping ring in the production process, and the function of large current transmission can be met; and the cooperation is provided with the protective sheath to and the protective sheath cover is located outside connecting portion, make it can protect the connecting portion of female needle well through the protective sheath, prevent that the connecting portion of female needle from receiving external force deformation and influencing the transmission of electric current in the use, improved user's use and experienced.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a perspective view of the female needle according to the preferred embodiment of the present invention;
fig. 4 is a cross-sectional view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. female needle 101, plug cavity
102. Through groove 103 and first threaded hole
11. Female needle seat 111, limiting part
12. Connecting part 121 and first body part
122. Elastic part 13, snap ring
14. First annular guide surface 15, first connecting block
20. Protective sleeve 201 and plug hole
21. Second body part 22, annular protective part
30. Male pin 301 and second threaded hole
31. Male needle seat 32 and plug connector
33. A second annular guide surface 34, a second connecting block.
Detailed Description
Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present invention is shown, which includes a female needle 10, a protective sheath 20 and a male needle 30.
The female needle 10 comprises a female needle seat 11 and a connecting part 12 extending forwards from the female needle seat 11, wherein the connecting part 12 is provided with an inserting cavity 101 with a forward opening, a clamping ring 13 is arranged in the opening of the inserting cavity 101 in a protruding mode, a plurality of through grooves 102 are formed in the inner side wall and the outer side wall of the front end of the connecting part 12 in a penetrating mode, the through grooves 102 are distributed around the axial direction of the inserting cavity 101 at intervals in the circumferential direction, each through groove 102 extends in parallel to the axial direction of the inserting cavity 101, each through groove 102 penetrates through the front end face of the connecting part 12 and the clamping ring 13, and the clamping ring 13 is divided into multiple sections; the through groove 102 is used for reducing the insertion force when the female needle 10 is inserted into the male needle 30, so that the use of a user is facilitated; the snap ring 13 is used for contacting with the male needle 30 to conduct current, the length of the snap ring 13 can be adjusted in the production process, so that the magnitude of the current which can pass between the female needle 10 and the male needle 30 can be adjusted, the length of the snap ring 13 is about long, and the larger the current which can pass between the female needle 10 and the male needle 30 is.
In the present embodiment, the inner wall surface of the opening of the plugging cavity 101 is provided with a first annular guide surface 14; two first connecting blocks 15 which are symmetrically arranged extend outwards integrally from the other end of the female needle base 11, the two first connecting blocks 15 are flat, a first threaded hole 103 fixedly connected with the outside is formed between the two first connecting blocks 15 in a surrounding manner, and the first threaded hole 103 is communicated with the inserting cavity; when the female needle 10 is connected with the outside through the first threaded hole 103, the female needle can be limited with the outside through the two flat first connecting blocks 15, so that the torsion force when the first threaded hole 103 is connected is increased, and the female needle is prevented from rotating; the through grooves 102 are 4 in equal-angle interval arrangement; the connecting portion 12 includes a first main body 121 and an elastic portion 122 integrally connected, the through groove 102 penetrates from an outer end surface of the elastic portion 122 to a front end surface of the first main body 121, and a diameter of the elastic portion 122 is smaller than a diameter of the first main body 121; the female needle holder 11 is provided with a limiting portion 111.
The protective sheath 20 is sleeved outside the connecting portion 12, the front end of the protective sheath 30 is provided with an insertion hole 201, the insertion hole 201 is in direct alignment communication with the opening of the insertion cavity 101, the protective sheath 20 is used for protecting the connecting portion 12 of the female needle 10, and the connecting portion 12 is prevented from being bent, inclined or even broken; in this embodiment, the protective sheath 20 includes a second main body 21 integrally connected to the second main body 21, and an annular protection portion 22 integrally extending inward from an outer end of the second main body 21, the second main body 21 is sleeved on an outer edge of the connecting portion 12, and the annular protection portion 22 covers an outer end surface of the connecting portion 12; the outer end face of the second main body portion 21 abuts on the outer end face of the aforementioned stopper portion 111; the protective sleeve 20 is made of stainless steel.
The male pin 30 comprises a male pin seat 31 and a plug-in connector 32, wherein the male pin seat 31 is integrally formed, the plug-in connector 32 integrally extends out of the male pin seat 31, and the plug-in connector 32 penetrates through the plug-in hole 201 to be inserted into the plug-in cavity 101 to be tightly matched with the plug-in cavity; in the present embodiment, the outer end periphery of the plug 32 is provided with a second annular guide surface 33 which is matched with the first annular guide surface 14; two second connecting blocks 34 that the symmetry set up have been extended outwards to public needle file 31's another end an organic whole, and two second connecting blocks 34 are the platykurtic, and enclose between two second connecting blocks 34 and form the second screw hole 301 that has with outside fixed connection, and public needle 30 is when being connected through second screw hole 301 and external, and the second connecting block 34 of accessible platykurtic carries on spacingly with the outside to torsion when increasing second screw hole 301 and connecting prevents to rotate.
The utility model discloses a design focus lies in: the female needle comprises a female needle seat and a connecting part extending forwards from the female needle seat, the connecting part is provided with an inserting cavity with a forward opening, a clamping ring is convexly arranged in the opening of the inserting cavity, the inner side wall and the outer side wall of the front end of the connecting part are penetrated to form a plurality of through grooves, each through groove penetrates through the front end surface of the connecting part and the clamping ring and divides the clamping ring into a plurality of sections, so that when the male needle is connected with the female needle in an inserting mode, the inserting and pulling force between the male needle and the female needle can be reduced through the through grooves, meanwhile, the stability of connection between the male needle and the female needle can be guaranteed due to the arrangement of the clamping ring, a user can more conveniently carry out inserting and connecting, the contact area of the male needle and the female needle in the connecting process can be increased by increasing the length of the clamping ring in the production process, and the function of large-current transmission can be met; and the cooperation is provided with the protective sheath to and the protective sheath cover is located outside connecting portion, make it can protect the connecting portion of female needle well through the protective sheath, prevent that the connecting portion of female needle from receiving external force deformation and influencing the transmission of electric current in the use, improved user's use and experienced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a low plug power car needle structure of heavy current which characterized in that: comprises a female needle, a protective sleeve and a male needle; the female needle comprises a female needle seat and a connecting part extending forwards from the female needle seat integrally, wherein an inserting cavity with a forward opening is formed in the connecting part, a clamping ring is arranged in the opening of the inserting cavity in a protruding mode, a plurality of through grooves are formed in the inner side wall and the outer side wall of the front end of the connecting part in a penetrating mode, the through grooves are distributed at intervals in the circumferential direction of the inserting cavity in the axial direction, each through groove extends in parallel to the axial direction of the inserting cavity, and each through groove penetrates through the front end face of the connecting part and the clamping ring and divides the clamping ring into multiple sections; the protective sleeve is sleeved outside the connecting part, the front end of the protective sleeve is provided with an inserting hole, and the inserting hole is opposite to and communicated with the opening of the inserting cavity; the male needle comprises a male needle seat and a plug connector, wherein the male needle seat is integrally formed, the plug connector integrally extends out of the male needle seat, and the plug connector penetrates through a plug hole to be inserted into a plug cavity to be tightly matched with the plug cavity.
2. The high-current low-insertion-and-extraction-force machine needle structure of claim 1, characterized in that: a first annular guide surface is arranged on the inner wall surface of the opening of the splicing cavity; correspondingly, the periphery of the outer end of the plug connector is provided with a second annular guide surface matched with the first annular guide surface.
3. The high-current low-insertion-and-extraction-force machine needle structure of claim 1, characterized in that: the other end of the female needle base integrally extends outwards to form two first connecting blocks which are symmetrically arranged, the two first connecting blocks are flat, a first threaded hole fixedly connected with the outside is formed between the two first connecting blocks in a surrounding mode, and the first threaded hole is communicated with the inserting cavity.
4. The high-current low-insertion-and-extraction-force machine needle structure of claim 1, characterized in that: two second connecting blocks which are symmetrically arranged extend outwards integrally from the other end of the male needle base, the two second connecting blocks are flat, and a second threaded hole fixedly connected with the outside is formed between the two second connecting blocks in a surrounding mode.
5. The high-current low-insertion-and-extraction-force machine needle structure of claim 1, characterized in that: the through grooves are 4 in equal-angle interval arrangement.
6. The high-current low-insertion-force machine needle structure of claim 1, characterized in that: the connecting part comprises a first main body part and an elastic part which are integrally formed and connected, the through groove penetrates from the outer end face of the elastic part to the front end face of the first main body part, and the diameter of the elastic part is smaller than that of the first main body part.
7. The high-current low-insertion-and-extraction-force machine needle structure of claim 1, characterized in that: the protective sleeve comprises a second main body part and an annular protective part, wherein the second main body part is connected with the second main body part in an integrated mode, the annular protective part extends inwards from the outer end of the second main body part in an integrated mode, the second main body part is sleeved on the outer edge of the connecting part, and the outer end face of the connecting part is coated by the annular protective part.
8. The high-current low-insertion-and-extraction-force machine needle structure of claim 7, characterized in that: the female needle base is provided with a limiting part, and the outer end face of the second main body part abuts against the outer end face of the limiting part.
9. The high-current low-insertion-and-extraction-force machine needle structure of claim 1, characterized in that: the protective sheath is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836835.7U CN218242424U (en) | 2022-07-18 | 2022-07-18 | Large-current low-insertion-and-extraction-force machine needle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836835.7U CN218242424U (en) | 2022-07-18 | 2022-07-18 | Large-current low-insertion-and-extraction-force machine needle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218242424U true CN218242424U (en) | 2023-01-06 |
Family
ID=84676852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221836835.7U Active CN218242424U (en) | 2022-07-18 | 2022-07-18 | Large-current low-insertion-and-extraction-force machine needle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218242424U (en) |
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2022
- 2022-07-18 CN CN202221836835.7U patent/CN218242424U/en active Active
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