CN117954926A - Conductive slip ring and electric connector - Google Patents
Conductive slip ring and electric connector Download PDFInfo
- Publication number
- CN117954926A CN117954926A CN202311663903.3A CN202311663903A CN117954926A CN 117954926 A CN117954926 A CN 117954926A CN 202311663903 A CN202311663903 A CN 202311663903A CN 117954926 A CN117954926 A CN 117954926A
- Authority
- CN
- China
- Prior art keywords
- slip ring
- conductive slip
- wire
- groove
- sealant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000565 sealant Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention relates to a conductive slip ring and an electric connector, wherein the conductive slip ring comprises a shell, a brush holder, an outer wire and an inner wire, a first sinking groove and a second sinking groove are formed in the surface of the shell, first sealant is filled in the first sinking groove, the brush holder is accommodated in the second sinking groove, a wire passing hole is formed between the first sinking groove and the second sinking groove, one end of the inner wire and one end of the outer wire are respectively and electrically connected with the brush holder, the other end of the outer wire passes out through the wire passing hole, and the number of the outer wires is equal to that of the wire passing holes and corresponds to that of the wire passing holes one by one. The electric connector comprises a conductive slip ring and a base, and a sealing ring is arranged between the shell and the base. By adopting the technical scheme provided by the invention, the conductive slip ring is ensured to have enough air tightness, the sealant can be prevented from entering the shell when the sealant is poured, the flexible movement of other components in the shell is prevented from being influenced by the sealant, and the normal use of the conductive slip ring is ensured.
Description
Technical Field
The invention belongs to the technical field of electric connectors, and particularly relates to a conductive slip ring and an electric connector.
Background
At present, in various aspects of daily life of people, in order to realize connection between electrical input and output, electrical connectors are often used, and common main connectors include plugs, sockets and MC connectors, the connectors have different numbers of contacts according to the phase number of transmission power or transmission current, in various electronic products, the electrical connectors are widely applied, and are main functional components forming the electronic products, conductive slip rings are also one type of electrical connectors, and the conductive slip rings are also called collecting rings, conducting rings, slip rings, collecting rings or collecting rings, and the like, and can enable wires connected to two ends of the conductive slip rings to rotate relatively, so that the conductive slip rings can be used in any electromechanical system requiring continuous rotation and transmission of power and signals from a fixed position to a rotating position.
When the conventional conductive slip ring is in practical application, the external dimension is smaller, and better air tightness is required, so that the electrical connection performance of the conductive slip ring is ensured to be kept stable. For example, publication No.: patent literature of CN201066758 discloses a novel power transmission slip ring; the device comprises a fastening bolt, a binding post, a circular ring, a connecting key, an insulating sleeve, a connecting inner sleeve, a circular ring gasket and sealant; the number of the circular rings is the same as that of the binding posts, one binding post is connected with only one circular ring, the outer ends of the binding posts and the fastening bolts are sleeved with insulating sleeves, and the outer parts of the insulating sleeves are coated with sealant; the outer ends of the circular ring gaskets are arranged in an inverted V shape, the diameters of the outer ends of the circular ring gaskets are larger than those of the outer ends of the circular ring, the circular ring gaskets are arranged between the circular rings, the sealing glue is coated on the two side parts of the circular ring gaskets, the sealing glue is coated on the outer parts of the connecting keys, the circular ring and the circular ring gaskets are arranged on the connecting inner sleeve through the connecting keys, and the circular ring is connected with the circular ring gaskets through fastening bolts; as another example, publication No.: the patent literature of CN207530274U discloses a conductive slip ring structure of a tire crane, which comprises a novel conductive slip ring stator fixedly arranged at the rotation center of a chassis, an ear plate of a novel conductive slip ring rotor is connected to a rotary platform through a transmission rod, a power supply in an input cable and an input electric signal are communicated with the conductive slip ring through contact of an electric brush and the conductive slip ring in relative rotation during operation of the tire crane, and the power supply and the electric signal are conveyed to each mechanism and a control system on the rotary platform from a conductive slip ring output wiring pile through an output cable, so that the transmission of the power supply and the electric signal is realized.
The two conductive slip rings are all improved in the airtight performance by adding the sealing structure on the conductive slip ring, however, excessive sealing structural members can increase the overall dimension of the conductive slip ring, the manufacturing cost is increased, the assembly space of the conductive slip ring can be influenced, the conventional conductive slip ring generally comprises a shell, a brush holder, an outer wire and an inner wire, one end of the outer wire and one end of the inner wire are respectively electrically connected with the brush holder, the other end of the outer wire and the other end of the inner wire are respectively gathered into a beam and then penetrate out of the shell, the conventional conductive slip ring is sealed by pouring sealant, when the sealant is poured, the sealant in a fluid state easily enters the shell through the gaps between the shell and the outer wire and between the inner wire, and the sealant entering the shell can adhere to the surface of a rolling bearing or other components in the shell to influence the flexible movement of the components.
Disclosure of Invention
In order to solve the technical problems, the invention provides a conductive slip ring.
The invention provides a conductive slip ring, which comprises a shell, a brush holder, an outer wire and an inner wire, wherein a first sinking groove and a second sinking groove are formed in the surface of the shell, first sealant is filled in the first sinking groove, the brush holder is accommodated in the second sinking groove, a plurality of wire passing holes are formed between the first sinking groove and the second sinking groove, one end of the inner wire and one end of the outer wire are respectively and electrically connected with the brush holder, the other end of the inner wire extends out of the second sinking groove, the other end of the outer wire penetrates out through the wire passing holes, and the number of the outer wires is equal to that of the wire passing holes and corresponds to that of the wire passing holes one by one.
The conductive slip ring further comprises a supporting shaft, the supporting shaft is installed in the second sinking groove by using a rolling bearing, the brush holder is fixedly connected with the outer surface of the supporting shaft, second sealant is further filled between the inner surface of the second sinking groove and the brush holder, an accommodating groove is further formed in the end face of the outer end of the supporting shaft, and the inner lead penetrates through the accommodating groove.
The conductive slip ring further comprises a polymeric sleeve, the polymeric sleeve is accommodated in the accommodating groove, the supporting shaft is further sleeved with the flange, and the inner lead further penetrates through the polymeric sleeve and the flange.
The flange plate is also in threaded connection with an adjusting bolt, and the tail end of the adjusting bolt abuts against the surface of the polymerization sleeve.
The material of the polymeric sleeve is nonmetallic.
And a bracket is also sleeved in the second sinking groove, and at least one rolling bearing is arranged between the bracket and the supporting shaft.
The number of the rolling bearings is two, and the two rolling bearings are respectively arranged on two sides of the brush holder or the second sealant.
The aperture of the via hole is not more than 1.5 times the diameter of the outer conductor.
And the bottom of the second sinking groove is also provided with an air gap sinking groove.
In addition, the invention also provides an electric connector which comprises the conductive slip ring and a base, wherein the shell is sleeved in the base, and a sealing ring is arranged between the shell and the base.
The invention has the beneficial effects that: by adopting the technical scheme provided by the invention, the outer lead and the inner lead can rotate relative to the shell, the air tightness of the conductive slip ring is improved through pouring the sealant, the conductive slip ring is ensured to have enough air tightness, meanwhile, when the conductive slip ring is sealed through pouring the sealant, the number of the outer leads is equal to the number of the wire passing holes and corresponds to one by one due to the wire passing holes arranged between the first sink groove and the second sink groove, and the sealant in a fluid state has tension, so that the sealant is prevented from further entering the shell due to a narrow gap in the wire passing holes, the sealant is prevented from adhering to the surface of a rolling bearing or other components in the shell, the inner components of the shell are kept to flexibly move, and the situation that any two adjacent leads are tightly adhered to each other due to the separation effect of the wire passing holes and the sealant is avoided, so that the normal use of the conductive slip ring is ensured.
Drawings
FIG. 1 is a front view of an electrically conductive slip ring of the present invention;
FIG. 2 is a front view of the housing of the present invention;
FIG. 3 is an axial cross-sectional view of the housing of the present invention;
Fig. 4 is a schematic diagram showing the connection of the outer conductor, the brush holder and the second sealant according to the present invention.
In the figure: 1-outer lead, 2-first sealant, 3-shell, 4-sealing ring, 5-brush holder, 6-second sealant, 7-supporting shaft, 8-bracket, 9-flange, 10-inner lead, 11-wire passing holes, 12-first sinking grooves, 13-second sinking grooves, 14-polymerization sleeves, 15-adjusting bolts, 16-rolling bearings, 17-air gap sinking grooves and 18-bases.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the above;
The invention provides a conductive slip ring, which is shown in figures 1,2, 3 and 4, and comprises a shell 3, a brush holder 5, an outer lead 1 and an inner lead 10, wherein a first sinking groove 12 and a second sinking groove 13 are arranged on the surface of the shell 3, a first sealant 2 is filled in the first sinking groove 12, the brush holder 5 is accommodated in the second sinking groove 13, a plurality of wire through holes 11 are arranged between the first sinking groove 12 and the second sinking groove 13, one end of the inner lead 10 and one end of the outer lead 1 are respectively and electrically connected with the brush holder 5, the other end of the inner lead 10 extends out of the second sinking groove 13, the other end of the outer lead 1 penetrates out through the wire through holes 11, and the number of the outer leads 1 is equal to that of the wire through holes 11 and corresponds to one by one.
By adopting the technical scheme provided by the invention, the outer lead and the inner lead can rotate relative to the shell, the air tightness of the conductive slip ring is improved through pouring the sealant, the conductive slip ring is ensured to have enough air tightness, meanwhile, when the conductive slip ring is sealed through pouring the sealant, the number of the outer leads is equal to the number of the wire passing holes and corresponds to one by one due to the wire passing holes arranged between the first sink groove and the second sink groove, and the sealant in a fluid state has tension, so that the sealant is prevented from further entering the shell due to a narrow gap in the wire passing holes, the sealant is prevented from adhering to the surface of a rolling bearing or other components in the shell, the inner components of the shell are kept to flexibly move, and the situation that any two adjacent leads are tightly adhered to each other due to the separation effect of the wire passing holes and the sealant is avoided, so that the normal use of the conductive slip ring is ensured.
Specifically, the conductive slip ring further comprises a supporting shaft 7, the supporting shaft 7 is installed in the second sinking groove 13 by using the rolling bearing 16, the brush holder 5 is fixedly connected with the outer surface of the supporting shaft 7, the second sealant 6 is further filled between the inner surface of the second sinking groove 13 and the brush holder 5, the outer end face of the supporting shaft 7 is further provided with a containing groove, and the inner lead 10 penetrates through the containing groove. Thus, the outer wire and the inner wire can rotate relative to the shell, and the conductive slip ring can be applied to any electromechanical system which requires continuous rotation and needs power supply and signal transmission from a fixed position to a rotating position.
In addition, the conductive slip ring further comprises a polymeric sleeve 14, the polymeric sleeve 14 is accommodated in the accommodating groove, the supporting shaft 7 is further sleeved with the flange 9, and the inner lead 10 further penetrates through the polymeric sleeve 14 and the flange 9. The flange 9 is also screwed with an adjusting bolt 15, the end of the adjusting bolt 15 being against the surface of the polymeric sleeve 14. The polymeric jacket 14 is a non-metallic material. The polymerization sleeve 14 gathers the inner guide into a bundle, the polymerization sleeve 14 has elasticity, and the polymerization sleeve 14 can be deformed by applying a force to the polymerization sleeve 14 through the adjusting bolt 15, so that the gathering density of the inner guide is adjusted.
In addition, a bracket 8 is also sleeved in the second sinking groove 13, and at least one rolling bearing 16 is arranged between the bracket 8 and the supporting shaft 7. The number of the rolling bearings 16 is two, and the two rolling bearings 16 are respectively arranged at two sides of the brush holder 5 or the second sealant 6. The second sealant 6 improves the air tightness of the conductive slip ring, and when the second sealant 6 is poured, the bracket 8 blocks the diffusion of the second sealant 6, so that the second sealant 6 is prevented from being adhered to the surface of the rolling bearing or other components, the corresponding components of the conductive slip ring keep flexible movement, and the stable use of the conductive slip ring is ensured.
Specifically, the first countersink 12 is preferably formed in an annular shape as a whole. The material of the first sealant 2 is rubber. The material of the second sealant 6 is rubber. The diameter of the via hole 11 is not more than 1.5 times the diameter of the outer conductor 1. The bottom of the second sinking groove 13 is also provided with an air gap sinking groove 17. When the sealant is poured, the residual air in the shell is collected into the air gap sinking groove 17, and the residual air pressure acts on the hole opening of the wire passing hole, so that the sealant is further prevented from entering the shell, the influence of the sealant on the internal components of the shell is avoided, and the application stability of the conductive slip ring is improved.
In addition, the invention also provides an electric connector, which comprises the conductive slip ring and a base 18, wherein the shell 3 is sleeved in the base 18, and a sealing ring 4 is arranged between the shell 3 and the base 18. Preferably, the sealing ring 4 is an O-ring. When the technical scheme of the invention is adopted, the first sealant and the second sealant are arranged in the conductive slip ring, and the sealing ring is arranged outside the conductive slip ring, so that the airtight sealing effect is greatly improved through the three-layer sealing protection effect.
Claims (10)
1. An electrically conductive sliding ring, characterized in that: including shell (3), brush yoke (5), outer wire (1) and interior wire (10), the surface of shell (3) is provided with first heavy groove (12) and second heavy groove (13), first heavy inslot (12) intussuseption is filled with first sealant (2), brush yoke (5) hold in second heavy groove (13), be equipped with a plurality of wire hole (11) between first heavy groove (12) and second heavy groove (13), the one end of interior wire (10), the one end of outer wire (1) respectively with brush yoke (5) electric connection, the other end of interior wire (10) extends outside second heavy groove (13), the other end of outer wire (1) is passed through wire hole (11) are worn out, the quantity of outer wire (1) equals and the one-to-one with wire hole (11).
2. An electrically conductive slip ring as in claim 1, wherein: the conductive slip ring further comprises a supporting shaft (7), the supporting shaft (7) is installed in the second sinking groove (13) through a rolling bearing (16), the brush holder (5) is fixedly connected with the outer surface of the supporting shaft (7), a second sealant (6) is further filled between the inner surface of the second sinking groove (13) and the brush holder (5), a containing groove is further formed in the end face of the outer end of the supporting shaft (7), and the inner lead (10) penetrates through the containing groove.
3. An electrically conductive slip ring as in claim 2 wherein: the conductive slip ring further comprises a polymeric sleeve (14), the polymeric sleeve (14) is accommodated in the accommodating groove, the supporting shaft (7) is further sleeved with the flange plate (9), and the inner lead (10) further penetrates through the polymeric sleeve (14) and the flange plate (9).
4. A conductive slip ring as set forth in claim 3 wherein: the flange plate (9) is further in threaded connection with an adjusting bolt (15), and the tail end of the adjusting bolt (15) abuts against the surface of the polymerization sleeve (14).
5. An electrically conductive slip ring as in claim 3 or 4 wherein: the polymeric sleeve (14) is non-metallic in material.
6. An electrically conductive slip ring as in claim 2 wherein: a bracket (8) is also sleeved in the second sinking groove (13), and at least one rolling bearing (16) is arranged between the bracket (8) and the supporting shaft (7).
7. An electrically conductive slip ring as in claim 2 wherein: the number of the rolling bearings (16) is two, and the two rolling bearings (16) are respectively arranged at two sides of the brush holder (5) or the second sealant (6).
8. An electrically conductive slip ring as in claim 1, wherein: the diameter of the via hole (11) is not more than 1.5 times the diameter of the outer conductor (1).
9. An electrically conductive slip ring as in claim 1 or 2 or 6 wherein: an air gap sinking groove (17) is further formed in the bottom of the second sinking groove (13).
10. An electrical connector, characterized in that: -comprising an electrically conductive slip ring according to any one of claims 1 to 9 and a base (18), said housing (3) being housed inside said base (18), and a sealing ring (4) being provided between said housing (3) and base (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311663903.3A CN117954926A (en) | 2023-12-06 | 2023-12-06 | Conductive slip ring and electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311663903.3A CN117954926A (en) | 2023-12-06 | 2023-12-06 | Conductive slip ring and electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117954926A true CN117954926A (en) | 2024-04-30 |
Family
ID=90800325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311663903.3A Pending CN117954926A (en) | 2023-12-06 | 2023-12-06 | Conductive slip ring and electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117954926A (en) |
-
2023
- 2023-12-06 CN CN202311663903.3A patent/CN117954926A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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