CN224190864U - An assembled stationary contact - Google Patents
An assembled stationary contactInfo
- Publication number
- CN224190864U CN224190864U CN202520825520.XU CN202520825520U CN224190864U CN 224190864 U CN224190864 U CN 224190864U CN 202520825520 U CN202520825520 U CN 202520825520U CN 224190864 U CN224190864 U CN 224190864U
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- CN
- China
- Prior art keywords
- contact
- cylinder
- support
- assembled
- mounting slot
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- 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.)
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Abstract
The utility model relates to the technical field of fixed contacts, and discloses an assembled fixed contact, wherein the fixed contact adopts a split assembled structure, a contact support, a contact cylinder and an insulating cylinder sleeve are arranged as split independent structural components, the split assembled fixed contact is positioned, assembled and installed through a notch structure, the split assembled fixed contact is simple in structure and convenient to install, the contact cylinder is installed at the end part of the contact support through fastening limit of a slot embedded positioning matching fastening bolt, the split assembled fixed contact is convenient to assemble and disassemble, the contact cylinder can be conveniently and rapidly detached during maintenance and replacement, the replacement maintenance convenience and the replacement economy of the device can be effectively improved, the contact cylinder and the contact support are connected and installed through a ring-shaped semi-arc notch structure, the installation contact area between the contact cylinder and the contact support can be effectively increased through the semi-arc notch, the structural installation resistance between the contact cylinder and the contact support can be effectively reduced, the heat dissipation conduction area of the contact support and the insulating cylinder sleeve can be improved, and the improvement of the working stability of the contact is facilitated.
Description
Technical Field
The utility model relates to the technical field of fixed contacts, in particular to an assembled fixed contact.
Background
In the high voltage power transmission field, the circuit breaker can often be used, the circuit breaker is at the during operation, the switching on and off of circuit breaker is realized mainly through the switching on and off of explosion chamber moving, static contact, contact structure is the key part of high voltage switch, high voltage switch's switch-on and switch-off need rely on it to realize, its life has decided high voltage switch's life, and then the safe operation of high voltage transmission and transformation electric wire netting is decided, contact structure contains two sets of contact structures of sound, wherein the static contact is the contact that the position is basically unchangeable in operation, the work makes the butt joint realization to the work intercommunication of circuit that relies on with the moving contact, it is important working structure in the circuit breaker.
In the aspect of the structure, the existing static contact is mainly arranged in an integrated structure, the abutting structure of the contact is integrally installed with the support structure, and because huge voltage can generate instantaneous overvoltage when the contact is closed, the instantaneous overvoltage can cause certain structural damage to the abutting part of the contact, the contact structure needs to be replaced and maintained regularly for ensuring the stability of a power system, and the contact structure needs to be detached and replaced together with the support structure when being replaced due to the fixed structure, so that the replacement cost is high.
Disclosure of utility model
The utility model aims to provide an assembled static contact for solving the problems in the background technology.
The utility model provides a technical scheme that the assembled static contact comprises a contact support, a pair of contact cylinders, an insulating cylinder sleeve, a protective ring seat and a fastening bolt, wherein the front part of the contact support is provided with a contact cylinder mounting slot hole, and the pair of contact cylinders are fastened and embedded and mounted on the inner side of the contact cylinder mounting slot hole through the fastening bolt;
The middle part of the insulating cylinder sleeve is provided with a support mounting groove hole, the rear part of the contact support is embedded, inserted and mounted on the inner side of the support mounting groove hole, the rear part of the contact support is provided with a threaded end post, and the protective ring seat is sleeved on the upper part of the threaded end post.
Preferably, the front part of the contact support is provided with a mounting cylinder seat, the contact cylinder mounting slot is formed in the middle of the end side of the mounting cylinder seat, the periphery of the rear part of the pair of contact cylinders is uniformly provided with a jogged convex block in a circumferential shape, the jogged convex block is semicircular, and after the mounting, the jogged convex block is jogged with a groove in the contact cylinder mounting slot in an alignment manner.
Preferably, a butt joint jack is arranged in the middle of the front side of the contact support, and the rear part of the butt joint jack is provided with a miniature opening.
Preferably, a fastening screw hole is formed in the rear portion of the inner side of the contact cylinder mounting groove hole, the end portion of the fastening bolt penetrates through the opposite contact cylinder and is in threaded fastening mounting with the fastening screw hole, and a nut portion of the fastening bolt is in fitting mounting with a groove in the opposite contact groove hole.
Preferably, the insulating sleeve is cylindrical, and the outer circumferential side of the insulating sleeve is uniformly provided with a heat dissipation ring groove.
Preferably, the mounting slot hole of the support is formed in the middle of the insulating sleeve, the peripheral side of the end post of the contact support is uniformly provided with mounting lugs in a circumferential shape, the mounting lugs are semicircular, and after mounting, the mounting lugs are aligned and embedded with the grooves in the mounting slot hole of the support.
Preferably, the threaded end post is fixedly mounted at the rear end of the contact support, the rear end of the threaded end post is movably inserted and mounted through a round hole formed in the rear portion of the support mounting slot, and the protective ring seat is sleeved and connected with the rear end of the threaded end post.
Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:
This static contact adopts split assembled's structure setting, set up contact support, contact cylinder and insulating tube cover into split type independent structural component, through notch structure location assembly installation, simple structure simple to operate, the contact cylinder passes through the fastening spacing of slotted hole gomphosis location cooperation fastening bolt and installs the end head at the contact support, easy dismounting operation, can carry out convenient quick independent dismantlement to the contact cylinder when the maintenance is changed, can effectively improve the change maintenance convenience and the change economic nature of device, and can effectively increase the installation area of contact between the component structure through half arc notch, can effectively reduce the structural installation resistance to contact cylinder and contact support and insulating tube cover heat dissipation area, do benefit to the improvement of contact job stabilization nature.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall installation front side perspective of the present utility model;
FIG. 2 is a schematic view of the integrally installed rear side perspective of the present utility model;
FIG. 3 is a schematic view of the front side structure of the integral split mounting of the present utility model;
FIG. 4 is a schematic view of the rear side structure of the integral split mounting of the present utility model;
fig. 5 is a schematic view of the overall installation middle section structure of the present utility model.
The reference numerals indicate that 1, a contact support, 2, a contact cylinder, 3, an insulating cylinder sleeve, 4, a protective ring seat, 5, a fastening bolt, 6, a threaded end post and 7, a butt joint jack.
Detailed Description
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.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the application, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the application.
Examples
Referring to fig. 1-5, the utility model provides a technical scheme that an assembled static contact comprises a contact support 1, a contact cylinder 2, an insulating cylinder sleeve 3, a protective ring seat 4 and a fastening bolt 5, wherein the contact support 1 and the contact cylinder 2 can be made of copper with good conductive characteristics, and the contact support 1, the contact cylinder 2 and the insulating cylinder sleeve 3 are all separate independent structural components which are assembled and installed in a positioning way through a notch structure, so that the structure is simple and the installation is convenient.
As shown in fig. 3, for convenience in butt-joint installation of the contact cylinder 2, an installation cylinder seat is provided at the front part of the contact support 1, for convenience in alignment connection of the contact cylinder 2, a contact cylinder installation slot is provided at the front part of the contact support 1, the contact cylinder installation slot is formed in the middle of the end side of the installation cylinder seat, for jogged installation with the contact cylinder installation slot, jogged protruding blocks are uniformly arranged on the periphery of the rear part of the contact cylinder 2 in a circumferential shape, the jogged protruding blocks are semicircular, after installation, the jogged protruding blocks are jogged with grooves in the contact cylinder installation slot in alignment, the installation contact area between component structures can be effectively increased through a semi-arc slot, the structural installation resistance between the contact cylinder 2 and the contact support 1 can be effectively reduced, and the working heat productivity is reduced.
In order to facilitate the butt joint installation with the moving contact, as shown in fig. 5, a butt joint insertion hole 7 is formed in the middle of the front side of the contact support 1, in order to improve the butt joint tightness with the moving contact, the rear part of the butt joint insertion hole 7 is provided with a micro-opening, the contact cylinder 2 is installed on the inner side of a contact cylinder installation slot through fastening bolts 5 in a fastening manner, specifically, the rear part of the inner side of the contact cylinder installation slot is provided with fastening screw holes, the end part of the fastening bolts 5 penetrates through the contact cylinder 2 and is in threaded fastening installation with the fastening screw holes, the installation locking limit of the contact cylinder 2 after the installation is realized, the fastening limit of the fastening bolts 5 is installed at the end part of the contact support 1 through slot embedding positioning and matching, the dismounting operation is convenient, the replacement maintenance convenience and the replacement economy of the device can be effectively improved, and the nut part of the fastening bolts 5 is installed in a groove embedding manner in the butt joint insertion hole 7 after the installation, and the butt joint contact can be prevented from being in a pressing manner with the moving contact.
The insulating sleeve 3 is a cylindrical ceramic sleeve, as shown in fig. 3, the support mounting slot is formed in the middle of the insulating sleeve 3, mounting lugs are uniformly arranged on the outer circumference of the end post of the contact support 1 in a circumferential shape for jogged mounting with the support mounting slot, the mounting lugs are semicircular, the mounting lugs are aligned and jogged with grooves in the support mounting slot after mounting, the mounting contact area between component structures can be effectively increased through the semi-arc notch, the heat dissipation and conduction area of the contact support 1 and the insulating sleeve 3 can be effectively reduced, the efficient conduction and heat dissipation of the contact support 1 can be realized, and the heat dissipation ring grooves are uniformly formed on the outer circumference of the insulating sleeve 3 for further improving the heat dissipation of the insulating sleeve 3.
In order to be connected with the circuit support for installation, as shown in fig. 2, a threaded end post 6 is fixedly arranged at the rear end of the contact support 1, a round hole formed at the rear end of the threaded end post 6 and the rear part of a support mounting slot hole movably penetrates through the socket connection for installation, a protective ring seat 4 is made of heat-resistant rubber, the protective ring seat 4 is sleeved with the rear end part of the threaded end post 6, the threaded end post 6 is fixedly arranged with a hole site at the upper part of a transformer device support, and after installation, locking and fixing between the contact support 1 and an insulating cylinder sleeve 3 are realized through the interference and compression of the protective ring seat 4.
The utility model provides a principle of operation or structure principle, during the installation, firstly install the inboard at contact cylinder 1 front portion at contact cylinder 2 through counterpoint gomphosis, afterwards carry out fastening installation lock to contact cylinder 2 after installing through fastening bolt 5, install the inboard of the support installation slotted hole at insulator sleeve 3 middle part with contact cylinder 1 counterpoint grafting after the completion, with the upper portion of the screw thread end post 6 of protection ring seat 4 suit at contact cylinder 1 rear portion, afterwards fasten the hole site fastening installation with screw thread end post 6 and transformer equipment support upper portion through screwing up, after the installation through the conflict compaction of protection ring seat 4 realize the locking between contact cylinder 1 and insulator sleeve 3, accomplish the installation operation, during operation, the end post side direction of moving contact moves to contact cylinder 2 side, the end post of moving contact is pegged graft with the butt jack 7 at contact cylinder 2 middle part, through the power supply intercommunication of contact completion circuit, can effectively increase the installation area between the part structure installation resistance between contact cylinder 2 and contact cylinder 1 and can improve the contact cylinder 1 and can be taken out the high-efficient heat dissipation device through the arc notch and can be removed when the insulator sleeve 3 and the insulator sleeve 3 is taken out and the heat dissipation device is changed and the whole and the heat dissipation device is replaced, can be accomplished and the time when the contact cylinder 2 is taken out and the whole is cooled down and the whole and the heat dissipation device is changed and the whole is kept down.
In summary, this static contact adopts split assembled's structure setting, set up contact support 1, contact cylinder 2 and insulating sleeve 3 into split type independent structural component, through notch structure location assembly installation, simple structure simple to operate, the spacing end portion at contact support 1 of installing of fastening bolt 5 of contact cylinder 2 through slotted hole gomphosis location cooperation, easy dismounting operation, can carry out convenient quick independent dismantlement to contact cylinder 2 during the maintenance change, can effectively improve the change maintenance convenience and the change economic nature of device, and connect installation to contact cylinder 2 and contact support 1 through the semi-arc notch structure of ring form, can effectively increase the installation area of contact between the component structure through the semi-arc notch, can effectively reduce the structure installation resistance between contact cylinder 2 and contact support 1 and can improve contact support 1 and insulating sleeve 3 heat dissipation conduction area, do benefit to contact job stabilization's improvement.
Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520825520.XU CN224190864U (en) | 2025-04-28 | 2025-04-28 | An assembled stationary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520825520.XU CN224190864U (en) | 2025-04-28 | 2025-04-28 | An assembled stationary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224190864U true CN224190864U (en) | 2026-05-01 |
Family
ID=99592250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520825520.XU Active CN224190864U (en) | 2025-04-28 | 2025-04-28 | An assembled stationary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224190864U (en) |
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2025
- 2025-04-28 CN CN202520825520.XU patent/CN224190864U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |