CN113178827B - Tubular wall bushing - Google Patents
Tubular wall bushing Download PDFInfo
- Publication number
- CN113178827B CN113178827B CN202110424049.XA CN202110424049A CN113178827B CN 113178827 B CN113178827 B CN 113178827B CN 202110424049 A CN202110424049 A CN 202110424049A CN 113178827 B CN113178827 B CN 113178827B
- Authority
- CN
- China
- Prior art keywords
- tubular
- conductive piece
- piece
- wall
- wall bushing
- 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.)
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Links
- 238000000034 method Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
Abstract
The invention provides a tubular wall bushing which is used for connecting tubular buses B on two sides of a wall A; comprises a fixed plate, an insulating sleeve, a fixed end cover and a conductive piece; the fixing plate is used for fixing the wall bushing with the wall A, the insulating sleeves are arranged on two sides of the fixing plate, the conductive piece penetrates through the insulating sleeves, and the conductive piece is fixed with two ends of the insulating sleeves through the fixing end covers; the conductive piece is arranged in a tubular shape and is connected with tubular buses B on two sides of the wall A; the invention has the beneficial effects that: the conductive piece is in a tubular shape, and can be sleeved with the tubular bus B, so that the connection is convenient, the tubular bus B is not required to be flattened to be connected with the plate-shaped conductive piece, and the installation procedure and the cost are reduced; meanwhile, the conductive piece is sleeved with the tubular bus B, so that the length of a connecting section can be greatly reduced, and the occupied space of the wall bushing for connecting the tubular bus B at two ends is reduced.
Description
Technical Field
The invention relates to the technical field of wall bushings, in particular to a tubular wall bushing.
Background
The bus refers to a common passage to which a plurality of devices are connected in parallel branches; in the electric conveying equipment, the bus is a main line in electric conveying, the conveying voltage is higher and reaches kilovolts, the bus is commonly in a strip shape, a wall bushing is needed when the electric conveying passes through a wall, and a conductive piece is arranged in the wall bushing and used for connecting the bus at two ends.
In recent years, tubular bus bars are becoming more and more common in electric transmission, and when the tubular bus bars are connected with conductive pieces in wall bushing, the end parts of the tubular bus bars need to be flattened, and then drilling holes are connected with the conductive pieces, so that the installation procedures are more, and the connection at the connection parts is not firm; and the insulation of junction is not done well, even does not, leads to junction length longer, and the interval is too big between the adjacent busbar, seriously influences the installation of busbar.
Disclosure of Invention
The invention provides a tubular wall bushing aiming at the defects of the prior art.
The invention solves the technical problems by the following technical means:
the tubular wall bushing is used for connecting tubular buses B on two sides of the wall A; comprises a fixed plate, an insulating sleeve, a fixed end cover and a conductive piece; the fixing plate is used for fixing the wall bushing with the wall A, the insulating sleeves are arranged on two sides of the fixing plate, the conductive piece penetrates through the insulating sleeves, and the conductive piece is fixed with two ends of the insulating sleeves through the fixing end covers; the conductive piece is arranged in a tubular shape and is connected with tubular buses B on two sides of the wall body A.
As the improvement of the technical scheme, the inner diameter of the conductive piece is not smaller than the outer diameter of the tubular bus B, a plurality of shrinkage grooves are formed in the end portion of the conductive piece, annular fixing pieces are sleeved outside the end portion of the conductive piece, and the fixing pieces compress the width of the shrinkage grooves to enable the inner wall of the conductive piece to be attached to the outer wall of the tubular bus.
As an improvement of the technical scheme, the fixing piece is made of stainless steel, and the fixing piece is welded with the outer wall of the conductive piece.
As an improvement of the technical scheme, the conductive piece and the tubular bus bar B are integrally formed.
As an improvement of the technical scheme, the fixed end cover comprises a supporting ring, a clamping ring, an elastic piece and a limiting piece; the supporting ring is sleeved between the conductive piece and the insulating sleeve, the diameter of one end of the supporting ring, which is far away from the insulating sleeve, is larger than that of the other end of the supporting ring, the clamping ring is arranged on one side of the supporting ring, which is far away from the insulating sleeve, the elastic piece is arranged between the supporting ring and the clamping ring, the conductive piece is provided with a through hole penetrating through the conductive piece, and the limiting piece is inserted into the through hole to limit the clamping ring, so that the elastic piece is always in a compressed state.
As an improvement of the above technical solution, the elastic member is provided as a spring.
As an improvement of the technical scheme, the insulating sleeve comprises a cylinder body and annular protrusions arranged on the outer wall of the cylinder body, and a plurality of annular protrusions are arranged.
As an improvement of the above technical scheme, the annular protrusion comprises a first protrusion and a second protrusion, the outer diameter of the first protrusion is larger than that of the second protrusion, and the first protrusion and the second protrusion are arranged at intervals.
As an improvement of the technical scheme, the insulating sleeve is made of ceramic or silicon rubber.
As an improvement of the technical scheme, the surfaces of the conductive piece and the tubular bus bar B are coated with insulating layers.
The invention has the beneficial effects that: the fixed plate is fixedly connected with the wall body A, the insulating sleeves are arranged on two sides of the fixed plate, and the conductive pieces are arranged in the insulating sleeves, so that the tubular bus B on two sides of the wall body A is connected with two ends of the conductive pieces, and the conductive pieces are tubular and can be sleeved with the tubular bus B, so that the connection is facilitated, the tubular bus B is not flattened to be connected with the plate-shaped conductive pieces, and the installation procedure and the cost are reduced; meanwhile, the length of the connecting section can be greatly reduced because the conductive piece is sleeved with the tubular bus B, the occupied space of the wall bushing for connecting the tubular bus B at two ends is reduced, and after the surface of the conductive piece and the surface of the tubular bus B are coated with the insulating layer, the insulating treatment of the connecting part is finished, and the complex insulating treatment of the connecting part is not needed.
Drawings
FIG. 1 is a schematic view of a tubular wall bushing according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the region P in FIG. 1 in a partially enlarged manner;
fig. 3 is a schematic structural diagram of the conductive member and the fixing member 42 according to the embodiment of the present invention;
wall body a, tubular busbar B, fixed plate 1, insulating sleeve 2, barrel 21, annular protrusion 22, first protrusion 221, second protrusion 222, fixed end cover 3, support ring 31, clamping ring 32, elastic member 33, stopper 34, conductive member 4, shrink groove 41, fixing member 42, and through hole 43.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1 and 3, the tubular wall bushing according to the present embodiment is used for connecting tubular bus bars B on two sides of a wall a; comprises a fixed plate 1, an insulating sleeve 2, a fixed end cover 3 and a conductive piece 4; the fixing plate 1 is used for fixing the wall bushing with the wall A, the insulating sleeves 2 are arranged on two sides of the fixing plate 1, the conductive pieces 4 penetrate through the insulating sleeves 2, and the conductive pieces 4 are fixed with two ends of the insulating sleeves 2 through the fixing end covers 3; the conductive piece 4 is arranged in a tubular shape and is connected with tubular buses B on two sides of the wall A; the insulating sleeve 2 is made of ceramic or silicon rubber; the surfaces of the conductive piece 4 and the tubular bus bar B are coated with insulating layers.
The fixing plate 1 is fixedly connected with the wall body A, the insulating sleeves 2 are arranged at two sides of the fixing plate 1, and the conductive pieces 4 are arranged in the insulating sleeves, so that the tubular bus bars B at two sides of the wall body A are connected with two ends of the conductive pieces 4, and the conductive pieces 4 are tubular and can be sleeved with the tubular bus bars B, so that the connection is convenient, the tubular bus bars B are not flattened to be connected with the plate-shaped conductive pieces 4, and the installation procedure and the cost are reduced; meanwhile, the length of the connecting section can be greatly reduced because the conductive piece 4 is sleeved with the tubular bus B, the occupied space of the wall bushing for connecting the tubular bus B at two ends is reduced, and after the surface of the conductive piece 4 and the surface of the tubular bus B are coated with the insulating layer, the insulating treatment of the connecting part is finished, so that the complex insulating treatment of the connecting part is not needed.
As shown in fig. 2, the inner diameter of the conductive member 4 is not smaller than the outer diameter of the tubular bus B, a plurality of shrinkage slots 41 are formed at the end of the conductive member 4, an annular fixing member 42 is sleeved outside the end of the conductive member 4, and the fixing member 42 compresses the width of the shrinkage slots 41 to make the inner wall of the conductive member 4 fit with the outer wall of the tubular bus B; the shrink groove 41 is formed in the end portion of the conductive piece 4, the tubular bus B is convenient to insert into the conductive piece 4, the inner wall of the conductive piece 4 is tightly attached to the tubular bus B through the fixing piece 42, the conductive piece 4 is firmly connected with the tubular bus B, the cross section area of the conductive piece 4 is larger than that of the tubular bus B, and the resistance of the conductive piece 4 can be ensured to be smaller than that of the pipeline bus B under the condition of the same material.
The fixing piece 42 is made of stainless steel, and the fixing piece 42 is welded with the outer wall of the conductive piece 4; the fixing piece 42 is firmly connected with the conductive piece 4, and cannot loosen, so that the insulating layer coated on the outer surface of the fixing piece is prevented from being damaged.
The conductive piece 4 and the tubular bus B are integrally formed; the finished tubular bus B can directly pass through the wall bushing, so that the need of separate connection at two ends of the wall bushing in the later period is avoided, and the installation procedure and the installation cost are reduced; and because the conductive piece 4 and the tubular bus B are integrally formed, the unstable factor of the resistance value at the joint in the prior art is avoided, and the loss and the risk are reduced.
As shown in fig. 2, the fixed end cover 3 includes a support ring 31, a clamping ring 32, an elastic member 33, and a limiting member 34; the supporting ring 31 is sleeved between the conductive member 4 and the insulating sleeve 2, the diameter of one end of the supporting ring 31 far away from the insulating sleeve 2 is larger than that of the other end, the clamping ring 32 is arranged on one side of the supporting ring 31 far away from the insulating sleeve 2, the elastic member 33 is arranged between the supporting ring 31 and the clamping ring 32, the conductive member 4 is provided with a through hole 43 penetrating through the conductive member 4, and the limiting member 34 is inserted into the through hole 43 to limit the clamping ring 32, so that the elastic member 33 is always in a compressed state.
Play the supporting role between electrically conductive piece 4 and the insulating sleeve 2 through supporting ring 31, avoid its contact, carry out spacingly to clamp ring 32 through locating part 34, make elastic component 33 be in compression state all the time, the effort to the oriented insulating sleeve 2 direction of supporting ring 31, prevent it not hard up, make simultaneously the both ends of electrically conductive piece 4 carry out spacingly through elastic component 33 and insulating sleeve 2, possess certain displacement when elastic component 33 stretches out and draws back, can slide along insulating sleeve 2, thereby make it be convenient for in the installation with pipeline busbar B erection joint.
The elastic member 33 is provided as a spring.
As shown in fig. 1, the insulating sleeve 2 includes a cylindrical body 21 and an annular protrusion 22 provided on an outer wall of the cylindrical body 21, the annular protrusion 22 being provided in plurality; the annular protrusion 22 comprises a first protrusion 221 and a second protrusion 222, the outer diameter of the first protrusion 221 is larger than that of the second protrusion 222, and the first protrusion 221 and the second protrusion 222 are arranged at intervals.
It is noted that relational terms such as first and second, and the like, if any, are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The tubular wall bushing is used for connecting tubular buses B on two sides of the wall A; the method is characterized in that: comprises a fixed plate (1), an insulating sleeve (2), a fixed end cover (3) and a conductive piece (4); the fixing plate (1) is used for fixing the wall bushing with the wall body A, the insulating sleeves (2) are arranged on two sides of the fixing plate (1), the conductive piece (4) penetrates through the insulating sleeves (2), and the conductive piece (4) is fixed with two ends of the insulating sleeves (2) through the fixing end covers (3); the conductive piece (4) is arranged in a tubular shape and is connected with tubular buses B on two sides of the wall body A;
the fixed end cover (3) comprises a supporting ring (31), a clamping ring (32), an elastic piece (33) and a limiting piece (34); the supporting ring (31) is sleeved between the conductive piece (4) and the insulating sleeve (2), the diameter of one end of the supporting ring (31) away from the insulating sleeve (2) is larger than that of the other end, the clamping ring (32) is arranged on one side of the supporting ring (31) away from the insulating sleeve (2), the elastic piece (33) is arranged between the supporting ring (31) and the clamping ring (32), the conductive piece (4) is provided with a through hole (43) penetrating through the conductive piece (4), and the limiting piece (34) is inserted into the through hole (43) to limit the clamping ring (32), so that the elastic piece (33) is always in a compressed state.
2. A tubular wall bushing according to claim 1, wherein: the inner diameter of the conductive piece (4) is not smaller than the outer diameter of the tubular bus B, a plurality of shrinkage grooves (41) are formed in the end portion of the conductive piece (4), annular fixing pieces (42) are sleeved outside the end portion of the conductive piece (4), and the fixing pieces (42) compress the width of the shrinkage grooves (41) to enable the inner wall of the conductive piece (4) to be attached to the outer wall of the tubular bus.
3. A tubular wall bushing according to claim 2, wherein: the fixing piece (42) is made of stainless steel, and the fixing piece (42) is welded with the outer wall of the conductive piece (4).
4. A tubular wall bushing according to claim 1, wherein: the conductive piece (4) and the tubular bus B are integrally formed.
5. A tubular wall bushing according to claim 1, wherein: the elastic member (33) is provided as a spring.
6. A tubular wall bushing according to claim 1, wherein: the insulating sleeve (2) comprises a cylinder body (21) and annular protrusions (22) arranged on the outer wall of the cylinder body (21), and a plurality of annular protrusions (22) are arranged.
7. A tubular wall bushing according to claim 6, wherein: the annular protrusion (22) comprises a first protrusion (221) and a second protrusion (222), the outer diameter of the first protrusion (221) is larger than that of the second protrusion (222), and the first protrusion (221) and the second protrusion (222) are arranged at intervals.
8. A tubular wall bushing according to claim 1, wherein: the insulating sleeve (2) is made of ceramic or silicon rubber.
9. A tubular wall bushing according to claim 1, wherein: the surfaces of the conductive piece (4) and the tubular bus B are coated with insulating layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424049.XA CN113178827B (en) | 2021-04-20 | 2021-04-20 | Tubular wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424049.XA CN113178827B (en) | 2021-04-20 | 2021-04-20 | Tubular wall bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113178827A CN113178827A (en) | 2021-07-27 |
| CN113178827B true CN113178827B (en) | 2023-12-08 |
Family
ID=76923861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110424049.XA Active CN113178827B (en) | 2021-04-20 | 2021-04-20 | Tubular wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113178827B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201838732U (en) * | 2010-09-16 | 2011-05-18 | 江苏威腾母线有限公司 | Insulating structure of tubular bus joint |
| CN201985269U (en) * | 2010-12-24 | 2011-09-21 | 向荣集团有限公司 | Pre-tightening tubular insulation bus joint |
| CN204045809U (en) * | 2014-07-31 | 2014-12-24 | 西安神电高压电器有限公司 | A kind of jockey |
| CN107579391A (en) * | 2017-09-08 | 2018-01-12 | 广东工业大学 | A kind of line transfer joint and line transfer joint anti-drop device |
| CN107672262A (en) * | 2017-09-26 | 2018-02-09 | 王伟民 | A kind of exchange wall bushing mounting structure with water-proof function |
| CN209562095U (en) * | 2019-04-28 | 2019-10-29 | 刘伟 | A kind of electrical engineering shockproof service sleeve |
| CN212849731U (en) * | 2020-07-31 | 2021-03-30 | 武汉巴士博技术有限公司 | Semi-insulating tubular bus wall penetrating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012105113A1 (en) * | 2012-06-13 | 2013-12-19 | R. Stahl Schaltgeräte GmbH | Implementation device for an explosion-proof housing |
-
2021
- 2021-04-20 CN CN202110424049.XA patent/CN113178827B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201838732U (en) * | 2010-09-16 | 2011-05-18 | 江苏威腾母线有限公司 | Insulating structure of tubular bus joint |
| CN201985269U (en) * | 2010-12-24 | 2011-09-21 | 向荣集团有限公司 | Pre-tightening tubular insulation bus joint |
| CN204045809U (en) * | 2014-07-31 | 2014-12-24 | 西安神电高压电器有限公司 | A kind of jockey |
| CN107579391A (en) * | 2017-09-08 | 2018-01-12 | 广东工业大学 | A kind of line transfer joint and line transfer joint anti-drop device |
| CN107672262A (en) * | 2017-09-26 | 2018-02-09 | 王伟民 | A kind of exchange wall bushing mounting structure with water-proof function |
| CN209562095U (en) * | 2019-04-28 | 2019-10-29 | 刘伟 | A kind of electrical engineering shockproof service sleeve |
| CN212849731U (en) * | 2020-07-31 | 2021-03-30 | 武汉巴士博技术有限公司 | Semi-insulating tubular bus wall penetrating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113178827A (en) | 2021-07-27 |
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