CN111313162A - Steel ball type contact connector assembly - Google Patents
Steel ball type contact connector assembly Download PDFInfo
- Publication number
- CN111313162A CN111313162A CN202010231710.0A CN202010231710A CN111313162A CN 111313162 A CN111313162 A CN 111313162A CN 202010231710 A CN202010231710 A CN 202010231710A CN 111313162 A CN111313162 A CN 111313162A
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- China
- Prior art keywords
- steel ball
- inner sleeve
- main body
- connector assembly
- contact connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/5058—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a ball
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to a steel ball type contact connector assembly which comprises a female end main body, an inner sleeve, steel balls, an outer sleeve and a male end main body, wherein a tubular connecting part is arranged at one end of the female end main body; one end of the inner sleeve main body is fixed inside the tubular connecting part; the steel ball is arranged in the steel ball limiting hole; the outer sleeve is sleeved on one end of the inner sleeve main body, which is far away from the tubular connecting part; the male end main part comprises a connecting end, the male end main part can be inserted into the inner sleeve, each steel ball is connected to the annular connecting groove in a two-point mode in a pressing mode, the connecting end is connected with the inner sleeve in a clamping mode in a limiting mode, and meanwhile the male end main part is electrically connected with the female end main part. Compared with the prior art, the invention adopts the steel ball body double-point contact technology, realizes the multi-point uniform connection of 2X N points, has stable contact, extremely low failure probability, extremely low abrasion loss during each plugging and unplugging, no burr, obviously prolonged service life, capability of realizing full-automatic processing and assembly, high processing efficiency and less waste generation.
Description
Technical Field
The invention relates to the field of connectors, in particular to a steel ball type contact connector assembly.
Background
The high-current connector is widely applied to the fields of automobiles and electric appliances, and has an important function on the electric energy supply of the automobiles and the electric appliances as an important connecting element in the automobiles and the electric appliances. The electric connector generally adopts a mode that a female end and a male end are linearly inserted in opposite directions to be connected in an inserting mode, so that current transmission is realized.
The female end of the existing high-current connector adopts an elastic arm mechanism, namely the end part of the female end main body 1 is provided with an axial elastic arm 6, referring to fig. 6, a gap is formed between the axial elastic arms 6, and a male end straight line is pressed on the outer wall of the male end through the elasticity of the axial elastic arm 6 during insertion, so that the male end is electrically connected with the female end.
However, in the prior art, the following defects mainly exist, and 1) in the existing contact structural member, the fastening connection during the insertion is mainly completed by the elasticity of the axial elastic arm 6, and the electric transmission is realized by the compression joint of the axial elastic arm 6 and the male end, but after the durable insertion and extraction, the axial elastic arm 6 is easy to fatigue, the elastic mechanism is easy to degrade, and the stability is obviously reduced; 2) after multiple times of insertion and pulling, burrs are easily generated at the end part crimping position of the axial elastic arm 6 to scratch, so that current transmission is influenced, and the transmission stability and quality are reduced; 3) the elastic arm structure is not easy to machine and form, the machining cost is high, and the waste is large; 4) the work requirement is higher to the activity precision requirement, can't satisfy long-term axial drag power and radial swing under concrete use condition, and the elastic arm root is easily surrendered.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a steel ball type contact connector component, which adopts a steel ball body double-point contact technology to realize multi-point uniform connection of 2 x N points, has stable contact, extremely low failure probability, extremely low abrasion loss during each plugging and unplugging, no burr and no fatigue failure limit, obviously prolongs the service life of a female end main body, can realize full-automatic processing and assembly, and has high processing efficiency and less waste generation.
The purpose of the invention can be realized by the following technical scheme:
the steel ball type contact connector assembly comprises a female end main body, an inner sleeve, a steel ball, an outer sleeve and a male end main body, wherein the steel ball type contact connector assembly specifically comprises:
one end of the female end main body is provided with a tubular connecting part;
the inner sleeve comprises an inner sleeve main body, an annular flange circumferentially arranged on the inner sleeve main body and a steel ball limiting hole formed in the inner sleeve main body, and one end of the inner sleeve main body is fixed inside the tubular connecting part;
the steel ball is arranged in the steel ball limiting hole;
the outer sleeve is sleeved on one end of the inner sleeve main body, which is far away from the tubular connecting part;
public end main part, including the link, the link on be equipped with many rings of cyclic annular spread grooves, interior sleeve pipe can be inserted to public end main part for every steel ball is spacing with interior sheathed tube joint with two point type crimping on cyclic annular spread groove, constitution link, has realized the electricity of public end main part with female end main part simultaneously.
Furthermore, the steel ball limiting holes are formed in the inner sleeve in multiple circles, a plurality of steel ball limiting holes are formed in each circle, and the distance between every two adjacent circles of steel ball limiting holes corresponds to the arrangement distance of the annular connecting grooves.
Furthermore, the pipe orifice of the outer sleeve pipe close to one end of the pipe-shaped connecting part is radially retracted inwards to form a limiting closing edge.
Further, the annular flange is provided with two circles.
Furthermore, the limiting furling edge is abutted against the outer wall of the inner sleeve main body and is positioned between the two rings of annular flanges, so that the male end main body can drive the inner sleeve main body to perform axial sliding displacement relative to the tubular connecting part. Limited to axial displacement in the region between the two rings of annular flanges.
Furthermore, the hole wall of the steel ball limiting hole is of a concave arc surface structure, so that the steel ball is in contact with the hole wall and is partially covered by the hole wall.
Furthermore, the diameter of the steel ball is larger than the hole depth of the steel ball limiting hole.
Further, when the male end main body is electrically connected with the female end main body, one side of the steel ball is pressed on the annular connecting groove, and the other side of the steel ball is pressed on the inner wall of the outer sleeve or the inner wall of the connecting part.
Furthermore, one side of the connecting end is provided with a limiting flange. The extending position is limited when the direct insertion is realized.
Compared with the prior art, the invention has the following advantages:
1) the invention adopts a steel ball body double-point contact technology, wherein the male end main body can be inserted into the inner sleeve, so that each steel ball is in two-point type pressure joint on the annular connecting groove, and the multi-circle steel balls are in pressure joint connection simultaneously, so that the multi-point uniform connection of 2X N points is realized, the contact is stable, the failure probability is extremely low, the design of the elastic arm in the prior art is avoided, and the defects that the axial elastic arm is easy to fatigue and the elastic mechanism is easy to fall down are not limited.
2) According to the invention, the plurality of steel balls are simultaneously connected with the annular connecting groove in a compression joint mode in the axial direction, the plurality of steel balls synchronously rotate during direct insertion connection, the abrasion loss is extremely low during each insertion and extraction, burrs are not generated, the fatigue failure limit is avoided, and the service life of the female end main body is obviously prolonged.
3) According to the invention, the limiting furling edge is propped against the outer wall of the inner sleeve main body and is positioned between the two rings of annular flanges, so that the male end main body can drive the inner sleeve main body to perform axial sliding displacement relative to the tubular connecting part, and the buffer of axial pulling force can be realized under a specific electric connection working condition; simultaneously because a plurality of steel balls contact with cast connecting portion inner wall through the mode of pressing, the oblique swinging force that it received can change into the sliding force between interior sleeve pipe main part and the cast connecting portion, realizes the dissipation to oblique pendulum power through mutual sliding motion, has guaranteed the stability of electricity connection.
4) Each part is processed respectively in the machining process, then the parts are assembled uniformly, the machining process is simple, full-automatic machining and assembling can be realized, the machining efficiency is high, and less waste is generated.
Drawings
FIG. 1 is a schematic cross-sectional view of a ball-on-ball contact connector assembly of the present invention;
FIG. 2 is a schematic view of the inner jacket tube according to the present invention;
FIG. 3 is a schematic structural view of the female terminal body according to the present invention;
FIG. 4 is a schematic view of the double-point contact of the steel ball in the present invention;
FIG. 5 is a schematic structural view of the male end body of the present invention;
fig. 6 is a schematic structural diagram of a female terminal body in the prior art.
In the figure: 1. female end main part, 2, interior sleeve pipe, 3, steel ball, 4, outer tube, 5, public end main part, 6, axial elastic arm, 11, cast connecting portion, 21, interior sleeve pipe main part, 22, cyclic annular flange, 23, the spacing hole of steel ball, 41, spacing draw in edge, 51, link, 52, cyclic annular spread groove, 53, spacing flange.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
The steel ball type contact connector assembly comprises a female end main body 1, an inner sleeve 2, steel balls 3, an outer sleeve 4 and a male end main body 5, and is shown in figure 1.
One end of the female end body 1 is provided with a tubular connecting part 11, see fig. 3. One side of the connecting end 51 is provided with a stop flange 53. The extending position is limited when the direct insertion is realized.
The inner sleeve 2 includes an inner sleeve main body 21, an annular flange 22 circumferentially provided on the inner sleeve main body 21, and a steel ball stopper hole 23 opened on the inner sleeve main body 21, see fig. 2, and one end of the inner sleeve main body 21 is fixed inside the tube-shaped connecting portion 11. The outer sleeve 4 is sleeved on one end of the inner sleeve main body 21 far away from the tubular connecting part 11, see fig. 1.
The steel ball 3 is arranged in the steel ball limiting hole 23. The hole wall of the steel ball limiting hole 23 is in a concave arc surface configuration, so that the steel ball 3 is in contact with the hole wall and is partially covered by the hole wall. Referring to fig. 4, in specific implementation, the diameter of the steel ball 3 is larger than the hole depth of the steel ball limiting hole 23, the technical scheme adopts a steel ball body double-point contact technology, wherein the male end main body 5 can be inserted into the inner sleeve 2, so that each steel ball 3 is in two-point pressure contact with the annular connecting groove 52, the multi-circle steel balls 3 are in pressure contact connection simultaneously, 2 × N-point multi-point uniform connection is realized, the contact is stable, the failure probability is extremely low, the design of the elastic arm in the prior art is avoided, and the elastic arm is not limited by the defects that the axial elastic arm is easy to fatigue and the elastic mechanism is easy to fall. A plurality of steel balls 3 are connected with the annular connecting groove 52 in a compression joint mode in the axial direction, the steel balls 3 rotate synchronously in a plurality of circles when the steel balls are connected in a direct insertion mode, the abrasion loss is extremely low during each insertion and extraction, burrs are not generated, the fatigue failure limit is avoided, and the service life of the female end main body 1 is remarkably prolonged.
The male end main body 5 comprises a connecting end 51, referring to fig. 5, a plurality of rings of annular connecting grooves 52 are arranged on the connecting end 51, the male end main body 5 can be inserted into the inner sleeve 2, each steel ball 3 is pressed on the annular connecting grooves 52 in a two-point mode, the connecting end 51 and the inner sleeve 2 are in clamping connection and are limited, and meanwhile, the male end main body 5 is electrically connected with the female end main body 1. When the male end body 5 is electrically connected with the female end body 1, one side of the steel ball 3 is pressed on the annular connecting groove 52, and the other side of the steel ball is pressed on the inner wall of the outer sleeve 4 or the inner wall of the connecting part 11.
The steel ball limiting holes 23 are formed in the inner sleeve 2 in multiple circles, a plurality of steel ball limiting holes 23 are formed in each circle, and the distance between every two adjacent circles of steel ball limiting holes 23 corresponds to the arrangement distance of the annular connecting grooves 52.
In specific implementation, the annular flange 22 has two rings, and the pipe orifice of the outer sleeve 4 near one end of the tubular connecting portion 11 is radially inwardly contracted to form a limiting closing edge 41. The limiting closing edge 41 is abutted against the outer wall of the inner sleeve main body 21 and is located between the two rings of annular flanges 22, so that the male end main body 5 can drive the inner sleeve main body 21 to perform axial sliding displacement relative to the tubular connecting part 11. Limited to axial displacement in the region between the two rings of annular flanges 22. According to the invention, the limiting furling edge 41 is abutted against the outer wall of the inner sleeve main body 21 and is positioned between the two rings of annular flanges 22, so that the male end main body 5 can drive the inner sleeve main body 21 to perform axial sliding displacement relative to the tubular connecting part 11, and the buffer of axial pulling force can be realized under a specific electric connection working condition. Simultaneously because a plurality of steel balls 3 contact with cast connecting portion 11 inner wall through the mode of pressing, the oblique swinging force that it received can convert the sliding force between interior sleeve pipe main part 21 and the cast connecting portion 11, realizes the dissipation to oblique pendulum power through mutual sliding motion, has guaranteed the stability of electricity connection.
In the specific machining process, all parts are machined respectively and then are assembled in a unified mode, the machining process is simple, full-automatic machining and assembling can be achieved, machining efficiency is high, and waste materials are few in generation.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (9)
1. A steel ball contact connector assembly comprising:
a female end body (1) provided with a tubular connecting part (11) at one end;
the inner sleeve (2) comprises an inner sleeve main body (21), an annular flange (22) circumferentially arranged on the inner sleeve main body (21) and a steel ball limiting hole (23) formed in the inner sleeve main body (21), and one end of the inner sleeve main body (21) is fixed inside the tubular connecting part (11);
the steel balls (3) are arranged in the steel ball limiting holes (23);
the outer sleeve (4) is sleeved on one end of the inner sleeve main body (21) far away from the tubular connecting part (11);
public end main part (5), including link (51), link (51) on be equipped with many rings of cyclic annular spread groove (52), interior sleeve pipe (2) can be inserted in public end main part (5) for every steel ball (3) are with two point type crimping on cyclic annular spread groove (52), it is spacing with the joint of interior sleeve pipe (2) to constitute link (51), has realized the electricity of public end main part (5) with female end main part (1) simultaneously and has been connected.
2. A steel ball contact connector assembly according to claim 1, wherein said steel ball limiting hole (23) is provided with a plurality of rings on the inner sleeve (2), each ring is provided with a plurality of steel ball limiting holes (23), and the distance between two adjacent rings of steel ball limiting holes (23) corresponds to the distance between the annular connecting grooves (52).
3. A ball contact connector assembly according to claim 1, wherein the end of the outer sleeve (4) adjacent the tubular connecting portion (11) is radially inwardly tapered to form a limiting tapered edge (41).
4. A steel ball contact connector assembly according to claim 3 wherein said annular flange (22) is provided with two rings.
5. The steel ball contact connector assembly according to claim 4, wherein the limiting flange (41) is supported on the outer wall of the inner sleeve body (21) and located between the two rings of annular flanges (22), so that the male end body (5) can drive the inner sleeve body (21) to perform axial sliding displacement relative to the tubular connecting portion (11).
6. A steel ball contact connector assembly according to claim 1 wherein the wall of said ball retaining bore (23) is of concave arcuate configuration such that said ball (3) contacts said bore wall and is partially encapsulated by said bore wall.
7. A steel ball contact connector assembly according to claim 6 wherein the diameter of the steel ball (3) is greater than the depth of the ball retaining hole (23).
8. A steel ball contact connector assembly according to claim 7, wherein when the male end body (5) is electrically connected to the female end body (1), one side of the steel ball (3) is pressed against the annular connecting groove (52) and the other side is pressed against the inner wall of the outer sleeve (4) or the inner wall of the connecting portion (11).
9. A steel ball contact connector assembly according to claim 1 wherein said connecting end (51) is provided with a stop flange (53) on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231710.0A CN111313162A (en) | 2020-03-27 | 2020-03-27 | Steel ball type contact connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231710.0A CN111313162A (en) | 2020-03-27 | 2020-03-27 | Steel ball type contact connector assembly |
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| Publication Number | Publication Date |
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| CN111313162A true CN111313162A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010231710.0A Pending CN111313162A (en) | 2020-03-27 | 2020-03-27 | Steel ball type contact connector assembly |
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| CN (1) | CN111313162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864179A (en) * | 2021-11-09 | 2021-12-31 | 黄秀芳 | Reciprocating pump coil joint oil inlet channel and connecting structure |
-
2020
- 2020-03-27 CN CN202010231710.0A patent/CN111313162A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864179A (en) * | 2021-11-09 | 2021-12-31 | 黄秀芳 | Reciprocating pump coil joint oil inlet channel and connecting structure |
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