CN211045332U - Vacuum circuit breaker and solid-sealed pole wire inlet and outlet structure - Google Patents
Vacuum circuit breaker and solid-sealed pole wire inlet and outlet structure Download PDFInfo
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- CN211045332U CN211045332U CN201921922264.7U CN201921922264U CN211045332U CN 211045332 U CN211045332 U CN 211045332U CN 201921922264 U CN201921922264 U CN 201921922264U CN 211045332 U CN211045332 U CN 211045332U
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Abstract
The utility model relates to a vacuum circuit breaker and gu seal utmost point post business turn over line structure. The solid-sealed polar pole wire inlet and outlet structure comprises a solid-sealed polar pole, and the solid-sealed polar pole wire inlet and outlet structure comprises a wire inlet, a wire outlet, a wire inlet connecting seat and a wire outlet connecting seat; the incoming line connecting seat is arranged corresponding to the incoming line port, and the outgoing line connecting seat is arranged corresponding to the outgoing line port; inserts are arranged on the inner walls of the wire inlet and the wire outlet, and the inserts are provided with internal threads; the conductive column comprises a first external thread at the bottom, a second external thread at the middle part and an inserting structure at the top; the first external thread is used for being in threaded connection with the corresponding incoming line connecting seat or outgoing line connecting seat; the second external threads are used for being connected with the internal threads of the corresponding inserts; the plug-in structure is used for being in plug-in fit with a corresponding outlet sleeve in the vacuum circuit breaker. Avoid leading electrical pillar to produce radial movement or beat in the use through two threaded connection, twice threaded connection is twisted the operation through once and is realized convenient operation, and assembly efficiency is high.
Description
Technical Field
The utility model relates to a vacuum circuit breaker and gu seal utmost point post business turn over line structure.
Background
The circuit breakers installed on the outdoor substation and the electric pole can be divided into two types, namely a sulfur hexafluoride circuit breaker and a vacuum circuit breaker, sulfur hexafluoride gas is adopted as an insulating medium for the sulfur hexafluoride circuit breaker, and the sulfur hexafluoride gas is harmful gas, so once leakage occurs, the environment can be polluted, and the vacuum circuit breaker is mostly used on the outdoor substation and the electric pole at present.
The vacuum circuit breaker comprises a shell and three solid-sealed polar poles, wherein the solid-sealed polar poles are arranged inside the shell and are provided with vacuum arc-extinguishing chambers, and each vacuum arc-extinguishing chamber comprises a movable end and a static end. The solid-sealed polar pole further comprises an outlet connecting seat arranged corresponding to the outlet and an inlet connecting seat arranged corresponding to the inlet, the movable end is fixedly connected with the outlet connecting seat, and the static end is fixedly connected with the inlet connecting seat. The outlet connecting base is electrically connected with the outlet sleeve at the moving end, the inlet connecting base is electrically connected with the outlet sleeve at the static end, and the outlet sleeve at the static end is connected with the outlet sleeve at the moving end for connecting corresponding cables. The vacuum circuit breaker further comprises an operating mechanism, and the operating mechanism drives the moving end of the vacuum arc-extinguishing chamber to move so that the moving end and the static end of the vacuum arc-extinguishing chamber are separated and combined to achieve on-off of the circuit. The structure of the vacuum circuit breaker with the built-in solid-sealed pole is CN203103206U as an authorization announcement number, and the authorization announcement date is 2013, namely, the number of 07, 31, disclosed by the utility model discloses a solid-insulated outdoor vacuum circuit breaker.
The connection form between the movable end and the movable end outlet sleeve of the vacuum arc extinguish chamber in the vacuum circuit breaker with the built-in solid-sealed polar pole is as follows: the outlet connecting base is connected with the movable end outlet sleeve through the conductive column and the contact finger, and the specific connection form is as follows: the conductive column comprises a screw rod and a nut in threaded connection with the screw rod, the contact finger is arranged on the nut, the outgoing line sleeve is coaxially provided with a containing hole, the outgoing line connecting seat is provided with a threaded hole, the screw rod is fixed on the outgoing line connecting seat through threaded connection with the threaded hole, and the contact finger on the nut is in contact with the hole wall of the containing hole. The electric connection between the movable end outgoing line sleeve and the outgoing line connecting seat is realized through the structure. The connection form between the incoming line connecting seat and the static end outgoing line sleeve is similar to the form between the outgoing line connecting seat and the dynamic end outgoing line sleeve, and the description is omitted.
The assembly process of the conductive post is as follows: and screwing the screw to fix the conductive column on the outlet wire connecting seat or the inlet wire connecting seat. However, only by means of the threaded connection between the screw rod and the corresponding outgoing line connecting seat or incoming line connecting seat, it cannot be guaranteed that the conductive column cannot radially deflect or deflect in the use process, so that the nut needs to be screwed to be tightly pressed to the outlet opening or the inlet opening edge of the fixed pole, the conductive column of the vacuum circuit breaker is prevented from radially moving in the use process through the friction force between the nut and the solid-sealed pole, and the conductive column is prevented from deflecting through the blocking effect between the nut and the solid-sealed pole. The coaxiality of the conductive column and the outgoing line sleeve is ensured through the matching of the nut and the corresponding outlet edge of the outgoing line port or the incoming line port and the threaded connection between the screw rod and the corresponding outgoing line connecting seat or the incoming line connecting seat, so that the reliable contact between the contact finger and the hole wall of the accommodating hole is ensured.
However, the positioning method causes that the conductive column needs to be screwed twice, the operation is inconvenient, and the assembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an it seals utmost point post outlet structure admittedly for the installation that the electric pillar was led in the solution needs to twist twice to revolve the twisting operation, operates inconveniently, the problem that assembly efficiency is low, another aim at provides a vacuum circuit breaker for the installation that the electric pillar was led in the solution needs to twist twice to revolve twisting operation, operates inconveniently, problem that assembly efficiency is low.
In order to achieve the above object, the utility model discloses well solid utmost point post outlet structure's technical scheme is: the structure for the wire inlet and outlet of the solid-sealed pole comprises
The solid-sealed polar pole comprises a wire inlet, a wire outlet, a wire inlet connecting seat and a wire outlet connecting seat;
The incoming line connecting seat is arranged corresponding to the incoming line port, and the outgoing line connecting seat is arranged corresponding to the outgoing line port;
Inserts are arranged on the inner walls of the wire inlet and the wire outlet, and the inserts are provided with internal threads;
The conductive column comprises a first external thread at the bottom, a second external thread at the middle part and an inserting structure at the top;
The first external thread is used for being in threaded connection with the corresponding incoming line connecting seat or outgoing line connecting seat;
The second external threads are used for being connected with the internal threads of the corresponding inserts;
The plug-in structure is used for being in plug-in fit with a corresponding outlet sleeve in the vacuum circuit breaker.
The utility model discloses well solid utmost point post outlet structure that seals's beneficial effect is: the first external thread is connected with the corresponding wire inlet connecting seat or the corresponding wire outlet connecting seat through threads, the second external thread is connected with the corresponding wire inlet or the corresponding wire outlet through the internal thread of the insert, the conductive column is prevented from generating radial movement or deflection in the using process through two threaded connections, two times of threaded connections are realized through one-time screwing operation, the operation is convenient, and the assembly efficiency is high.
Further, the radial dimension of the conductive post at the second external thread is larger than the radial dimension of the conductive post at the first external thread.
The first external thread is prevented from interfering with the insert during installation.
Further, the radial dimension of the conductive post at the plug structure is larger than the radial dimension of the conductive post at the second external thread.
The conductive column has the beneficial effects that the radial size of the insertion structure is larger, and the interference of the parts outside the insertion structure on the contact between the conductive column and the outlet sleeve is avoided.
Furthermore, a pulling and twisting matching structure is arranged on the conductive column, and the pulling and twisting matching structure is a pulling and twisting matching hole arranged on the top surface of the conductive column.
The processing method has the advantage of convenience in processing.
Further, the number of the wrenching matching holes is more than two.
The method has the advantage of avoiding stress concentration.
Furthermore, the wrenching matching holes are round holes.
The processing method has the advantage of convenience in processing.
Further, be equipped with centering cooperation structure on leading the top surface of electrical pillar, centering cooperation structure is used for cooperating with centering frock to lead electrical pillar centering in the installation that leads electrical pillar with vacuum circuit breaker's casing as the benchmark.
The conductive column has the beneficial effects that in the earlier stage of the assembly process of the conductive column, the first external thread is prevented from deflecting when being connected with the corresponding inlet wire connecting seat or outlet wire connecting seat, and the coaxiality between the conductive column and the corresponding outlet bushing is ensured.
Further, the centering matching structure is a centering hole.
The processing method has the advantage of convenience in processing.
The utility model discloses well vacuum circuit breaker's technical scheme is: the vacuum circuit breaker comprises a shell, an in-out wire structure of the solid-sealed polar pole and an outlet sleeve, wherein the in-out wire structure of the solid-sealed polar pole is electrically connected with the corresponding outlet sleeve;
The structure for the wire inlet and outlet of the solid-sealed pole comprises
The solid-sealed polar pole comprises a wire inlet, a wire outlet, a wire inlet connecting seat and a wire outlet connecting seat;
The incoming line connecting seat is arranged corresponding to the incoming line port, and the outgoing line connecting seat is arranged corresponding to the outgoing line port;
Inserts are arranged on the inner walls of the wire inlet and the wire outlet, and the inserts are provided with internal threads;
The conductive column comprises a first external thread at the bottom, a second external thread at the middle part and an inserting structure at the top;
The first external thread is used for being in threaded connection with the corresponding incoming line connecting seat or outgoing line connecting seat;
The second external threads are used for being connected with the internal threads of the corresponding inserts;
The plug-in structure is used for being in plug-in fit with a corresponding outlet sleeve in the vacuum circuit breaker.
The utility model discloses well vacuum circuit breaker's beneficial effect is: the first external thread is connected with the corresponding wire inlet connecting seat or the corresponding wire outlet connecting seat through threads, the second external thread is connected with the corresponding wire inlet or the corresponding wire outlet through the internal thread of the insert, the conductive column is prevented from generating radial movement or deflection in the using process through two threaded connections, two times of threaded connections are realized through one-time screwing operation, the operation is convenient, and the assembly efficiency is high.
Further, the radial dimension of the conductive post at the second external thread is larger than the radial dimension of the conductive post at the first external thread.
The first external thread is prevented from interfering with the insert during installation.
Further, the radial dimension of the conductive post at the plug structure is larger than the radial dimension of the conductive post at the second external thread.
The conductive column has the beneficial effects that the radial size of the insertion structure is larger, and the interference of the parts outside the insertion structure on the contact between the conductive column and the outlet sleeve is avoided.
Furthermore, a pulling and twisting matching structure is arranged on the conductive column, and the pulling and twisting matching structure is a pulling and twisting matching hole arranged on the top surface of the conductive column.
The processing method has the advantage of convenience in processing.
Further, the number of the wrenching matching holes is more than two.
The method has the advantage of avoiding stress concentration.
Furthermore, the wrenching matching holes are round holes.
The processing method has the advantage of convenience in processing.
Further, be equipped with centering cooperation structure on leading the top surface of electrical pillar, centering cooperation structure is used for cooperating with centering frock to lead electrical pillar centering in the installation that leads electrical pillar with vacuum circuit breaker's casing as the benchmark.
The conductive column has the beneficial effects that in the earlier stage of the assembly process of the conductive column, the first external thread is prevented from deflecting when being connected with the corresponding inlet wire connecting seat or outlet wire connecting seat, and the coaxiality between the conductive column and the corresponding outlet bushing is ensured.
Further, the centering matching structure is a centering hole.
The processing method has the advantage of convenience in processing.
Drawings
Fig. 1 is a three-dimensional view of a vacuum circuit breaker according to an embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
Fig. 4 is a three-dimensional view of the conductive post of fig. 1;
In the figure: 1. the terminal comprises a shell, 2, a wire outlet sleeve, 3, an operating mechanism, 4, a wire outlet connecting seat, 5, a movable end, 6, an arc extinguish chamber, 7, a static end, 8, a wire inlet connecting seat, 9, a conductive column, 91, a centering hole, 92, a wrenching matching hole, 93, a contact finger mounting groove, 94, a second external thread, 95, a first external thread, 10, an insert, 11 and a solid-sealed terminal column shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present application are described in further detail below with reference to examples.
As shown in fig. 2 and 3, the solid-sealed polar pole comprises a solid-sealed polar pole shell, an incoming line connecting seat 8, an outgoing line connecting seat 4 and two inserts 10, wherein a movable end 5 is fixedly connected with the outgoing line connecting seat 4, and a stationary end 7 is fixedly connected with the incoming line connecting seat 8. The solid-sealed polar pole shell comprises a wire inlet and a wire outlet, the wire inlet connecting seat 8 and one of the inserts 10 are arranged corresponding to the wire inlet, and the wire outlet connecting seat 4 and the other insert 10 are arranged corresponding to the wire outlet.
The wire inlet connecting seat 8, the wire outlet connecting seat 4 and the insert 10 are embedded in the casting process of the solid-sealed polar pole shell 1 to the solid-sealed polar pole shell 11, and the concrete operation steps are as follows: the outer surface of the first auxiliary bolt is fully coated with grease and then is in threaded connection with the outgoing line connecting seat 4 and one of the inserts 10, and the first auxiliary bolt and the outgoing line connecting seat are placed in preset positions in a die together after being in threaded connection. And coating grease on the outer surface of the second auxiliary bolt, then connecting the outer surface of the second auxiliary bolt with the incoming line connecting seat 8 and the other insert 10 in a threaded manner, and putting the second auxiliary bolt and the incoming line connecting seat into a preset position in a die together after the second auxiliary bolt and the incoming line connecting seat are connected in the threaded manner. And injecting epoxy resin into the mould until the cavity of the mould is filled, taking down the mould after the epoxy resin is cooled, screwing out the first auxiliary bolt and the second auxiliary bolt, finishing the manufacture of the solid-sealed polar pole shell 11, and embedding the incoming line connecting seat 8, the outgoing line connecting seat 4 and the two inserts 10 into the solid-sealed polar pole shell 11.
The outgoing line sleeve 2 comprises an outgoing line sleeve arranged corresponding to the incoming line port and a static end outgoing line sleeve arranged corresponding to the outgoing line port, the static end outgoing line sleeve and the dynamic end outgoing line sleeve are respectively connected with corresponding cables, the outgoing line connecting seat 4 is electrically connected with the dynamic end outgoing line sleeve, and the incoming line connecting seat 8 is electrically connected with the static end outgoing line sleeve.
As shown in fig. 4, the solid-sealed pole incoming and outgoing line structure further includes two conductive columns 9, one conductive column 9 is used for achieving electrical connection between the outgoing line connecting seat 4 and the moving-end outgoing line sleeve, and the other conductive column 9 is used for achieving electrical connection between the incoming line connecting seat 8 and the stationary-end outgoing line sleeve. The conductive post 9 includes a first external thread 95 at the bottom, a second external thread 94 at the middle, and a finger mounting groove 93 at the top. The first external thread 95 is used for being in threaded connection with the corresponding incoming line connecting seat 8 or outgoing line connecting seat 4; the second external threads 94 are for connection with the internal threads of the corresponding insert 10; the contact finger mounting groove 93 is used for mounting a watchband type contact finger, the watchband type contact finger is used for being in plug-in fit with a corresponding movable end outlet bushing or a corresponding static end outlet bushing, and the contact finger mounting groove 93 forms a plug-in structure. The connection between the incoming line connecting seat 8 and the stationary end outgoing line sleeve or the connection between the outgoing line connecting seat 4 and the movable end outgoing line sleeve is realized through the conductive column 9, and the conductive column 9 is prevented from generating radial movement or deflection in the using process through two threaded connections, so that the reliable electric connection between the conductive column 9 and the corresponding outgoing line sleeve or the movable end outgoing line sleeve is ensured. The two-time threaded connection is realized through one-time screwing operation, the operation is convenient, and the assembly efficiency is high.
The radial dimension of the conductive post 9 at the finger mounting groove 93 is greater than the radial dimension of the conductive post 9 at the second external thread 94, and the radial dimension of the conductive post 9 at the second external thread 94 is greater than the radial dimension of the conductive post 9 at the first external thread 95. The top surface of the conductive column 9 is coaxially provided with a centering hole 91, two sides of the centering hole 91 are provided with screwing matching holes 92, and the screwing matching holes 92 and the centering hole 91 are round holes and are positioned on the same straight line.
The vacuum circuit breaker of the present application, embodiment 2, differs from embodiment 1 in that: the radial dimension of the conductive post at the second external thread is equal to the radial dimension of the conductive post at the first external thread, and the first external thread needs to be in threaded fit with the insert before the conductive post can pass through the insert.
The vacuum circuit breaker of the present application has a specific embodiment 5, which is different from the specific embodiment 1 in that: only one pulling matching hole is arranged, and the pulling matching hole needs to be in a form other than a round hole, such as a triangular hole, a regular hexagonal hole and the like.
The vacuum circuit breaker of the present application, embodiment 7, differs from embodiment 1 in that: the centering matching structure is not arranged, and the form is suitable for the condition that the coaxiality requirement of the conductive column and the corresponding outlet sleeve is not high.
The vacuum circuit breaker of the present application, embodiment 8, differs from embodiment 1 in that: the positioning matching structure is a cylindrical positioning matching bulge.
The structure of the solid-sealed polar pole wire inlet and outlet structure in the specific embodiment of the application is the same as that in the specific embodiment of the vacuum circuit breaker, and is not repeated.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (9)
1. The structure for the wire inlet and outlet of the solid-sealed pole comprises
The solid-sealed polar pole comprises a wire inlet, a wire outlet, a wire inlet connecting seat and a wire outlet connecting seat;
The incoming line connecting seat is arranged corresponding to the incoming line port, and the outgoing line connecting seat is arranged corresponding to the outgoing line port;
Inserts are arranged on the inner walls of the wire inlet and the wire outlet, and the inserts are provided with internal threads;
Lead electrical pillar, its characterized in that:
The conductive column comprises a first external thread at the bottom, a second external thread at the middle part and an inserting structure at the top;
The first external thread is used for being in threaded connection with the corresponding incoming line connecting seat or outgoing line connecting seat;
The second external threads are used for being connected with the internal threads of the corresponding inserts;
The plug-in structure is used for being in plug-in fit with a corresponding outlet sleeve in the vacuum circuit breaker.
2. The structure of the embedded pole wire inlet and outlet structure according to claim 1, characterized in that: the radial dimension of the conductive post at the second external thread is greater than the radial dimension of the conductive post at the first external thread.
3. The structure of the embedded pole wire inlet and outlet structure according to claim 1 or 2, characterized in that: the radial dimension of the conductive post at the plug structure is greater than the radial dimension of the conductive post at the second external thread.
4. The structure of the embedded pole wire inlet and outlet structure according to claim 1 or 2, characterized in that: the conductive column is provided with a screwing matching structure which is a screwing matching hole arranged on the top surface of the conductive column.
5. The structure of the embedded pole wire inlet and outlet structure according to claim 4, characterized in that: the wrenching matching holes are more than two.
6. The structure of the embedded pole wire inlet and outlet structure according to claim 5, characterized in that: the wrenching matching holes are round holes.
7. The structure of the embedded pole wire inlet and outlet structure according to claim 1 or 2, characterized in that: be equipped with centering cooperation structure on leading the top surface of electrical pillar, centering cooperation structure is used for cooperating with centering frock to lead electrical pillar centering at the installation of leading electrical pillar with vacuum circuit breaker's casing as the benchmark messenger.
8. The structure of the embedded pole wire inlet and outlet structure according to claim 7, characterized in that: the centering matching structure is a centering hole.
9. The vacuum circuit breaker comprises a shell, an in-out wire structure of the solid-sealed polar pole and an outlet sleeve, wherein the in-out wire structure of the solid-sealed polar pole is electrically connected with the corresponding outlet sleeve;
The structure is characterized in that the structure of the solid-sealed polar pole wire inlet and outlet is as in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922264.7U CN211045332U (en) | 2019-11-08 | 2019-11-08 | Vacuum circuit breaker and solid-sealed pole wire inlet and outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922264.7U CN211045332U (en) | 2019-11-08 | 2019-11-08 | Vacuum circuit breaker and solid-sealed pole wire inlet and outlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045332U true CN211045332U (en) | 2020-07-17 |
Family
ID=71538934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921922264.7U Active CN211045332U (en) | 2019-11-08 | 2019-11-08 | Vacuum circuit breaker and solid-sealed pole wire inlet and outlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045332U (en) |
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2019
- 2019-11-08 CN CN201921922264.7U patent/CN211045332U/en active Active
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