CN220774810U - Flexible self-adaptive contact connection structure of high-voltage electrical equipment - Google Patents
Flexible self-adaptive contact connection structure of high-voltage electrical equipment Download PDFInfo
- Publication number
- CN220774810U CN220774810U CN202322556401.2U CN202322556401U CN220774810U CN 220774810 U CN220774810 U CN 220774810U CN 202322556401 U CN202322556401 U CN 202322556401U CN 220774810 U CN220774810 U CN 220774810U
- Authority
- CN
- China
- Prior art keywords
- contact
- contact finger
- port
- pieces
- flexible
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 claims 3
- 239000004020 conductor Substances 0.000 description 7
- 239000012212 insulator Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a flexible self-adaptive contact connecting structure of high-voltage electrical equipment, which comprises a moving contact and a fixed contact, wherein a contact finger seat matched with a moving contact plug bush is arranged on the fixed contact, and a flexible sleeve joint piece which is annularly elastic, self-contracted and connected with a radial and axial self-adaptive flexible plug bush of the moving contact is sleeved at a port of the contact finger seat; the flexible sleeve joint piece comprises a port positioning sleeve, a plurality of S-shaped spring pieces, a plurality of contact finger pieces and a circular contact finger positioning ring, wherein the contact finger pieces are sleeved on the inner wall of the port inner diameter of the contact finger seat in a circular shape, and one end of each S-shaped spring piece is respectively clamped in a concave groove of each contact finger piece to form a circular elastic connector which is enclosed in a circular shape; through the circumferential annular elastic self-contraction connection of a plurality of contact finger sheets at the side of the fixed contact, the self-adaptive flexible plug bush connection with the radial direction and the axial direction of the moving contact is realized, the radial large-range movement and the axial large-angle deflection of the contact during assembly are realized, and the convenience and the reliability of connection are effectively improved.
Description
[ field of technology ]
The utility model relates to the technology of high-voltage electric products, in particular to a flexible self-adaptive contact connection structure of high-voltage electric equipment.
[ background Art ]
The existing high-voltage electrical equipment contact generally comprises a moving contact and a fixed contact, wherein the moving contact and the fixed contact are tightly held by an inserted spring or a watchband structure between the moving contact and the fixed contact during assembly so as to realize connection and disconnection between the moving contact and the fixed contact. For example, the fixed contact adopts a supporting pipe wall suitable for accommodating the moving contact, a guide sleeve is sleeved in the supporting pipe wall, a plurality of fixed contact spiral springs are embedded in the inner side of the guide sleeve and elastically contacted with the moving contact, and the whole current capacity of the isolating switch is effectively improved by the aid of the connecting mode, and rated current parameter requirements can be met.
However, in the existing connection mode of the contacts of the high-voltage equipment, thermal expansion and cold contraction in the operation of the conductors of the high-voltage equipment cannot be digested or released, so that a large butt joint deflection angle is caused at the joint, and when the large deflection angle of the joint cannot be eliminated for a long time, front and rear contact conductors connected by lever force prying are generated; thereby transmitting force to the insulator supporting the conductor causing the insulator to break, eventually resulting in an internal discharge of the high voltage electrical apparatus.
[ utility model ]
According to the flexible self-adaptive contact connecting structure of the high-voltage electrical equipment, through the circumferential annular elastic self-contraction connection of the plurality of contact finger pieces at the fixed contact side, the radial and axial self-adaptive flexible plug bush connection with the moving contact is realized, the radial large-range movement and the axial large-angle deflection at the contact position are realized, and the convenience and the reliability of connection are effectively improved.
The technical scheme adopted for solving the technical problems is as follows:
the flexible self-adaptive contact connecting structure of the high-voltage electrical equipment comprises a moving contact and a fixed contact, wherein the moving contact is cylindrical and moves along the axial direction under the driving of external force;
the fixed contact is axially provided with a cylindrical contact finger seat which is matched with the movable contact along an axial plug bush;
the port of the contact finger seat is also sleeved with a flexible sleeve part which is elastically self-contracted in a circumferential ring shape along the circumferential direction and is connected with a radial and axial self-adaptive flexible sleeve of the moving contact;
the flexible sleeve joint part comprises a port positioning sleeve, a plurality of S-shaped spring pieces, a plurality of contact finger pieces and a circular contact finger positioning ring, wherein the contact finger pieces are uniformly distributed along the circumferential direction and sleeved on the inner wall of the port inner diameter of the contact finger seat in a circular shape, positioning holes are formed in the inner side end parts of the contact finger pieces, and all the contact finger pieces sequentially penetrate through the positioning holes of each contact finger piece through the circular contact finger positioning ring to enclose and connect all the contact finger pieces into a circular shrinkage body;
the other end of the positioning hole on each contact finger piece is provided with a concave groove with an outer end opening smaller than an inner side concave space and used for clamping and fixing one end of each S-shaped spring piece from the side face, one end of each S-shaped spring piece is respectively clamped in the concave groove of each contact finger piece to form an annular elastic connector which is enclosed in an annular shape, and the other ends of all the S-shaped spring pieces are synchronously locked and clamped and fixed on the port positioning sleeve in an annular shape;
the port locating sleeve drives all the S-shaped spring pieces and all the contact finger pieces to be synchronously inserted into the inner diameter ports of the contact finger seats, and the port locating sleeve is connected with the self-adaptive flexible plug bush in the radial direction and the axial direction of the moving contact through circumferential annular elastic self-contraction of all the S-shaped spring pieces and all the contact finger pieces.
Preferably, the port positioning sleeve consists of an inner positioning sleeve and an outer fixing ring which are mutually matched by an inner clamping sleeve and an outer clamping sleeve, the inner positioning sleeve is used for guiding insertion of the moving contact at the port, and the outer fixing ring is used for coaxially clamping the periphery of the inner positioning sleeve and is in nested matching with the inner wall of the port of the contact finger seat; and an annular locking cavity for locking the other ends of all the S-shaped spring pieces in a buckling manner is formed between the outer fixing ring and the inner positioning sleeve.
Preferably, the inner locating sleeve and the outer retaining ring are integrally formed from a cast aluminium material.
Preferably, the thickness of each contact finger is in the range of 0.15-0.3 mm.
The beneficial effects of the utility model are as follows:
the port of the contact finger seat is sleeved with a flexible sleeve part which is elastically self-contracted along the circumferential direction and is connected with the radial and axial self-adaptive flexible sleeve of the moving contact in the circumferential direction; one end of each S-shaped spring piece is respectively clamped in the concave groove of each contact finger piece to form a ring-shaped elastic connector which is enclosed in a ring shape; therefore, the whole device has small size and volume, can realize large-range radial movement and large axial angle deflection between the movable contact and the contact finger seat, allows the movable contact conductor to move radially +/-60 mm and deflect axially in multiple directions +/-4 degrees to effectively digest or compensate stress caused by large deflection angle, effectively avoids the movable contact conductor from transmitting force to an insulator supporting the conductor, prevents the insulator from cracking, and solves the problem of abnormal bending moment of the insulator caused by the conductor in operation in the prior art.
Meanwhile, a plurality of parallel-connection leaf-shaped contact finger sheets are adopted between the contact finger seat and the moving contact to connect two conductive contact surfaces, each contact finger sheet forms an independent elastic load current-carrying bridge, so that the whole contact resistance of a plurality of parallel-connection contact finger sheets can be greatly reduced, the current-carrying capacity of the high-voltage electric equipment can be effectively improved, and the current-carrying capacity can reach 6930A.
[ description of the drawings ]
FIG. 1 is an exploded view of a cross-sectional structure of the present utility model;
FIG. 2 is an enlarged schematic view of the front view of the flexible socket of the present utility model;
FIG. 3 is an enlarged schematic cross-sectional view of the flexible socket of the present utility model;
reference numerals:
1. a moving contact; 2. a contact finger seat; 3. a flexible socket; 30. a port positioning sleeve; 31. s-shaped spring piece; 32. a finger tab; 320. positioning holes; 321. a concave groove; 33. touching the positioning ring; 300. an inner positioning sleeve; 301. an outer fixing ring; 4. an annular locking cavity.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The flexible self-adaptive contact connecting structure of the high-voltage electrical equipment comprises a moving contact 1 and a fixed contact, wherein the moving contact 1 is cylindrical and axially moves under the drive of external force, and the fixed contact is axially provided with a contact finger seat 2 which is cylindrical and is axially sleeved with the moving contact 1; the port of the contact finger seat 2 is also sleeved with a flexible sleeve joint part 3 which is elastically self-contracted along the circumferential ring along the circumferential direction and is connected with a radial and axial self-adaptive flexible sleeve of the movable contact 1; the flexible sleeve joint part 3 comprises a port positioning sleeve 30, a plurality of S-shaped spring pieces 31, a plurality of contact finger pieces 32 and a circular contact finger positioning ring 33, wherein the contact finger pieces 32 are uniformly distributed along the circumferential direction and sleeved on the inner wall of the port inner diameter of the contact finger seat 2 in a circular shape, positioning holes 320 are formed in the inner side end part of each contact finger piece 32, and all contact finger pieces 32 sequentially penetrate through the positioning holes 320 of each contact finger piece 32 through the circular contact finger positioning ring 33 to enclose and connect all contact finger pieces 32 into a circular shrinkage body; the other end of the positioning hole 320 on each contact finger piece 32 is provided with a concave groove 321 with an outer end opening smaller than the inner concave space and used for clamping and fixing one end of each S-shaped spring piece 31 from the side, one end of each S-shaped spring piece 31 is respectively clamped in the concave groove 321 of each contact finger piece 32 to form an annular elastic connector which is enclosed in an annular shape, and the other end of each S-shaped spring piece 31 is clamped and fixed on the port positioning sleeve 30 in an annular synchronous locking manner.
The port positioning sleeve 30 consists of an inner positioning sleeve 300 and an outer fixing ring 301 which are mutually matched by an inner clamping sleeve and an outer clamping sleeve, wherein the inner positioning sleeve 300 is used for guiding and inserting the moving contact 1 at the port, and the outer fixing ring 301 is used for coaxially clamping the inner positioning sleeve 300 at the circumferential periphery and is in nested matching with the inner wall of the port of the contact finger seat 2; an annular locking cavity 4 for locking the other ends of all the S-shaped spring pieces 31 in a snap-locking manner is formed between the outer fixing ring 301 and the inner positioning sleeve 300.
Wherein, the inner positioning sleeve 300 and the outer fixing ring 301 are integrally formed by cast aluminum material, and the thickness of each contact finger 32 ranges from 0.15 mm to 0.3mm, and the thickness of each contact finger 32 is preferably 0.2mm.
When in use, the port positioning sleeve 30 drives all the S-shaped spring pieces 31 and all the contact finger pieces 32 to be synchronously inserted at the inner diameter ports of the contact finger seat 2, and is connected with the self-adaptive flexible plug bush in the radial direction and the axial direction of the movable contact 1 through the circumferential annular elastic self-contraction of all the S-shaped spring pieces 31 and all the contact finger pieces 32.
In the embodiment, the flexible sleeve joint part 3 is in an integrated connection structure after being assembled, and after being assembled and positioned by a tool, the flexible sleeve joint part is assembled in a workshop or on site without adjustment, so that the application range is wide, and the limitation of the prior art is overcome. The static contact is applicable to horizontal installation, inclined shaft installation, vertical shaft installation and corner installation. Meanwhile, as the whole movable contact is not detachable, an integrated design mode is adopted, so that the possibility of falling off of parts is avoided in the process of connecting the movable contact 1 with the contact finger seat 2 in a plug bush manner, and the reliability of a product is effectively improved.
The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but all equivalent changes according to the shape, construction and principle of the present utility model are intended to be included in the scope of the present utility model.
Claims (4)
1. The flexible self-adaptive contact connecting structure of the high-voltage electrical equipment is characterized by comprising a moving contact and a fixed contact, wherein the moving contact is cylindrical and moves along the axial direction under the drive of external force;
the fixed contact is axially provided with a cylindrical contact finger seat which is matched with the movable contact along an axial plug bush;
the port of the contact finger seat is also sleeved with a flexible sleeve part which is elastically self-contracted in a circumferential ring shape along the circumferential direction and is connected with a radial and axial self-adaptive flexible sleeve of the moving contact;
the flexible sleeve joint part comprises a port positioning sleeve, a plurality of S-shaped spring pieces, a plurality of contact finger pieces and a circular contact finger positioning ring, wherein the contact finger pieces are uniformly distributed along the circumferential direction and sleeved on the inner wall of the port inner diameter of the contact finger seat in a circular shape, positioning holes are formed in the inner side end parts of the contact finger pieces, and all the contact finger pieces sequentially penetrate through the positioning holes of each contact finger piece through the circular contact finger positioning ring to enclose and connect all the contact finger pieces into a circular shrinkage body;
the other end of the positioning hole on each contact finger piece is provided with a concave groove with an outer end opening smaller than an inner side concave space and used for clamping and fixing one end of each S-shaped spring piece from the side face, one end of each S-shaped spring piece is respectively clamped in the concave groove of each contact finger piece to form an annular elastic connector which is enclosed in an annular shape, and the other ends of all the S-shaped spring pieces are synchronously locked and clamped and fixed on the port positioning sleeve in an annular shape;
the port locating sleeve drives all the S-shaped spring pieces and all the contact finger pieces to be synchronously inserted into the inner diameter ports of the contact finger seats, and the port locating sleeve is connected with the self-adaptive flexible plug bush in the radial direction and the axial direction of the moving contact through circumferential annular elastic self-contraction of all the S-shaped spring pieces and all the contact finger pieces.
2. The flexible adaptive contact connection structure of a high-voltage electrical apparatus according to claim 1, wherein: the port locating sleeve consists of an inner locating sleeve and an outer fixing ring which are matched with each other through an inner clamping sleeve and an outer clamping sleeve, the inner locating sleeve is used for guiding insertion of the moving contact at the port, and the outer fixing ring is used for coaxially clamping the periphery of the inner locating sleeve and is in nested fit with the inner wall of the port of the contact finger seat; and an annular locking cavity for locking the other ends of all the S-shaped spring pieces in a buckling manner is formed between the outer fixing ring and the inner positioning sleeve.
3. The flexible adaptive contact connection structure of a high-voltage electrical apparatus according to claim 2, wherein: the inner locating sleeve and the outer fixing ring are integrally formed by cast aluminum materials.
4. The flexible adaptive contact connection structure of a high-voltage electrical apparatus according to claim 1, wherein: the thickness of each contact finger sheet ranges from 0.15 mm to 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556401.2U CN220774810U (en) | 2023-09-19 | 2023-09-19 | Flexible self-adaptive contact connection structure of high-voltage electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556401.2U CN220774810U (en) | 2023-09-19 | 2023-09-19 | Flexible self-adaptive contact connection structure of high-voltage electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774810U true CN220774810U (en) | 2024-04-12 |
Family
ID=90620465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322556401.2U Active CN220774810U (en) | 2023-09-19 | 2023-09-19 | Flexible self-adaptive contact connection structure of high-voltage electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774810U (en) |
-
2023
- 2023-09-19 CN CN202322556401.2U patent/CN220774810U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2063501B1 (en) | Coaxial Cable Connector for Corrugated Cable | |
| US7867025B2 (en) | Cable connector with supported center conductor contact | |
| GB1602080A (en) | High current contact assembly | |
| CN220774810U (en) | Flexible self-adaptive contact connection structure of high-voltage electrical equipment | |
| JP7061656B2 (en) | Compatibility connector | |
| CN109950761B (en) | Double-end floating radio frequency coaxial adapter | |
| CN218997143U (en) | New forms of energy quick charge connector and jump ring terminal | |
| JP2011103768A (en) | Connection of power cable | |
| CN110247268A (en) | Radio frequency connector between a kind of adaptive outer conductor and plate | |
| CN215816722U (en) | Quick-change high-low voltage integrated connector for electric automobile | |
| CN103887626B (en) | Coaxial connector | |
| EP1253682A1 (en) | Electrical connector | |
| CN115579660A (en) | Sliding type multi-core direct-plug power connector assembly | |
| US3056940A (en) | Self-aligning coaxial connector | |
| CN210897721U (en) | Floating coaxial connector plug with elastic contact element | |
| CN201556754U (en) | All-purpose electrical connector | |
| CN220066155U (en) | Conductive elastic ring and connector thereof | |
| CN219286107U (en) | Basin-type insulator | |
| EP3343711B1 (en) | Electrical coupling unit for coupling of electrical switchgears | |
| CN219739422U (en) | Connector assembly | |
| CN219718526U (en) | Novel conductive copper tile | |
| CN220569932U (en) | Side expansion female connector | |
| CN218070267U (en) | Electric connection terminal | |
| CN221176716U (en) | Terminal, connecting device and vehicle | |
| CN211182589U (en) | Bundling connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |