CN212751738U

CN212751738U - Shell, end socket and cover plate for bus duct

Info

Publication number: CN212751738U
Application number: CN202021609212.7U
Authority: CN
Inventors: 李贵祥; 万文胜
Original assignee: Guizhou Changyu Electric Power & Electrical Co ltd
Current assignee: Guizhou Changyu Electric Power & Electrical Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-19
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a casing, head and apron for bus duct belongs to bus duct technical field. The shell consists of a transverse plate and two vertical plates, the cross section of the shell is I-shaped, and two sides of the transverse plate extend outwards and vertically to form wing plates; the end enclosure comprises a sealing plate and two protective plates perpendicular to the sealing plate; the cover plate is used for covering the adjacent bus ducts and the connectors; the rubber connecting plate is also included; the rubber connecting plate is positioned between the wing plates, is flush with the end faces of the wing plates and the transverse plate in an attaching mode, extends inwards at two sides and outwards to form an arc-shaped first hanging lug, an L-shaped clamping table is formed on the bottom face of the first hanging lug and used for clamping the end face of the transverse plate, and an arc-shaped second hanging lug is formed at the end part of the first hanging lug after the rubber connecting plate extends inwards; the inner side surface of the transverse plate is provided with a screw hole; the sealing plate is provided with a connecting hole, the lower end of the sealing plate is provided with a slot, and two sides of the sealing plate are provided with first cylindrical connecting ends matched with the first hanging lugs; the inner side of the top plate is provided with a second cylindrical connecting end matched with the second hanging lug. The utility model has the advantages of waterproof nature is good, install fast and do not receive the space restriction.

Description

Shell, end socket and cover plate for bus duct

Technical Field

The utility model relates to a bus duct technical field, concretely relates to casing, head and apron for bus duct.

Background

The bus duct is a closed metal device formed from copper and aluminium bus posts, and is used for distributing large power for every element of dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects.

The bus duct in the prior art has the following defects:

one is as follows: in the connection of the bus duct shell with the end socket and the cover plate, the bus duct shell is mostly connected by screws, and the bus duct shell is inconvenient to operate or even cannot be operated in some special occasions. For example: when the bus duct is installed close to a wall body, due to the narrow operation space, the installation of screws on the inner side of the cover plate is very inconvenient; the corner wall is more difficult to install if the corner wall is formed. The single mechanical connection at the end socket is limited by the material of the plate, so that the water resistance is general.

The second step is as follows: the busway shell on the market is mostly composed of a top plate, a side plate, a vertical plate, a bottom plate and the like, wherein all plates are integrally connected through welding or machinery, the assembly process of the busway shell needs to consume considerable time and workload, the installation effect possibly varies due to the influence of the technical level and the working state of workers, and even unqualified products appear. In addition, the installation site is disordered due to numerous small parts, so that parts are easily lost, resource waste is caused, and the development direction of green construction is not met.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a bus duct shell, a sealing head and a cover plate, so that the installation is very convenient, the installation of the cover plate does not need screws, the connection of the sealing head is accurate and reliable, and the waterproof effect is higher; furthermore, the utility model also provides a dock casing, its integrated into one piece's casing installation is convenient reliable, waterproof nature is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the shell is composed of an upper transverse plate, a lower transverse plate and two vertical plates which are positioned between the transverse plates and are vertical to the transverse plates, the overall section is I-shaped, a containing space of a bus copper bar is formed between the vertical plates, and two sides of the transverse plates extend outwards and vertically to form wing plates; the end enclosure comprises a sealing plate for sealing the end face of the shell and two protective plates perpendicular to the sealing plate; the cover plate is a concave shape formed by a top plate and a side plate vertical to the top plate and is used for covering the upper surface and the lower surface of the adjacent bus duct and the connector; the rubber connecting plate is characterized by also comprising two rubber connecting plates; the rubber connecting plate is positioned between the wing plates, the bottom of the rubber connecting plate is attached to the wing plates, and the end face of the rubber connecting plate is flush with the end face of the transverse plate; the two sides of the rubber connecting plate respectively extend inwards and outwards vertically, wherein the rubber connecting plate extends outwards to form a first hanging lug with the radian larger than 180 degrees, the bottom surface of the first hanging lug extends downwards and then inwards to form an L-shaped clamping table, the L-shaped clamping table is used for clamping the end surface of the transverse plate, and a second hanging lug with the radian larger than 180 degrees is formed at the end part after the rubber connecting plate extends inwards; the inner side surface of the transverse plate is provided with a screw hole which is independently protruded inwards; a connecting hole is formed in the sealing plate of the end socket at the position corresponding to the screw hole, an inserting groove is formed in the lower end of the sealing plate and used for inserting the sealing plate from top to bottom, and first cylindrical connecting ends matched with the first hanging lugs in shape are formed in two sides of the sealing plate; the inner side of the top plate is provided with a second cylindrical connecting end matched with the shape of the second hanging lug.

Preferably: still include the waterproof strip of elasticity, the waterproof strip of elasticity is "returning" font, is located between head and the casing terminal surface for seal generating line copper bar periphery, the shrouding is equipped with the recess that supplies the waterproof strip of elasticity to place on pressing the face.

Preferably: still include the rubber backing plate, the laminating of rubber backing plate is at the outer terminal surface of slot, and the socket of slot is sealed to the inside arch in middle part, and both sides extend to and cover the connecting hole, are equipped with the through-hole of intercommunication in connecting hole department.

Preferably: the shell is formed by butt joint of an upper shell and a lower shell which are symmetrical, the butt joint surfaces of the upper shell and the lower shell are protruded outwards to form butt joint parts, the bottom surfaces of the butt joint parts are in a certain radian, and a sealing assembly is arranged in an ellipsoidal space formed after the butt joint of the two butt joint parts; the top surface of the butt joint part of the upper shell and the bottom surface of the butt joint part of the lower shell are wavy and are fixedly inserted through concave-shaped inserting plates with matched shapes of the inner side surfaces.

Preferably: the butt joint plate of the upper shell and the lower shell is at least provided with a convex rib, and the section of the rib is semicircular.

Preferably: the upper shell, the lower shell and the inserting plate are integrally cast and formed through a die respectively.

Compared with the prior art, the utility model, have following advantage:

1. the seal head and the cover plate are very convenient to mount by adding the rubber connecting plate. The rubber connecting plate is clamped on the end face of the shell through a clamping table to realize upper and lower restraint; when the end socket is installed, the end socket is inserted from top to bottom, the first cylindrical connecting end is inserted into the first hanging lug, the position of the end socket is stabilized through elastic constraint force of the first hanging lug, and then the end socket is fixed by a screw penetrating through the connecting hole and the screw hole; the cover plate is installed only by directly pressing in, and the second cylindrical connecting end is inserted into the second hanging lug after the cover plate is pressed in, so that the cover plate is in a stable covering state due to the elastic constraint force of the rubber, as the cover plate only plays a role of connecting the sealing cover and cannot be subjected to external force in the use of the bus duct; when the cover plate is relatively disassembled, the cover plate is pulled only by the artificial plate.

2. Because the addition of rubber connecting plate makes the casing have the rubber and covers the effect at the tip, good waterproof nature promptly, and the design of the waterproof strip of elasticity has improved the waterproof nature of generating line copper bar department more.

3. Through the improvement of the shell (the butt joint mode of the upper shell and the lower shell which are integrally manufactured), the working procedure of field installation of the shell and the labor amount of workers are greatly saved; compared with the prior art, the joints are greatly reduced by sequentially connecting a plurality of plates, and the waterproof property of the shell is improved by the sealing design of the butt joint.

Drawings

FIG. 1 is an overall three-dimensional structural view of embodiment 1;

FIG. 2 is a three-dimensional structure diagram of a rubber connecting plate;

FIG. 3 is a three-dimensional structure diagram of the head;

FIG. 4 is a top view of the closure;

FIG. 5 is a three-dimensional structure view of a rubber packing;

FIG. 6 is a three-dimensional structure of the elastic waterproof strip;

fig. 7 is a schematic structural view of the butt end face of the housing in embodiment 2.

In the figure: 1. a housing; 11. a transverse plate; 12. a vertical plate; 13. a wing plate; 14. a screw hole; 15. a docking portion; 16. a rib; 2. sealing the end; 21. closing the plate; 21-1, connecting holes; 21-2, a slot; 21-3, a first cylindrical connection end; 21-4, a groove; 22. a guard plate; 3. a cover plate; 31. a top plate; 31-1, a second cylindrical connecting end; 32. a side plate; 4. a rubber connecting plate; 41. a first suspension loop; 42. an L-shaped clamping table; 43. a second suspension loop; 5. an elastic waterproof strip; 6. a seal assembly; 7. inserting plates; 8. a rubber pad is provided.

Detailed Description

The structure of the present invention will now be described in conjunction with the embodiments to enable one of ordinary skill in the art to fully understand and implement the invention. The words in the embodiments with respect to each orientation are merely based on the description of the figure structure.

Example 1

As shown in fig. 1 to 6, the housing 1, the end socket 2 and the cover plate 3 for the bus duct in this embodiment have the following specific component structures:

the shell 1 is composed of an upper transverse plate 11, a lower transverse plate 11 and two vertical plates 12 which are positioned between the transverse plates 11 and are vertical to the transverse plates, the overall section is I-shaped, a mounting space of a bus copper bar is formed between the vertical plates 12, and two sides of the transverse plates 11 extend outwards and vertically to form wing plates 13.

The end enclosure 2 comprises a closing plate 21 for closing the end face of the shell 1 and two protecting plates 22 perpendicular to the closing plate 21 (the extended bus bar is located between the two protecting plates 22).

The cover plate 3 is composed of a top plate 31 and a side plate 32 vertical to the top plate, and forms a concave shape for covering the upper and lower surfaces of adjacent bus ducts and connectors.

In addition, the present embodiment further includes two rubber connecting plates 4 (located at the upper and lower portions of the same end surface of the housing 1) which are vertically symmetrical; the rubber connecting plate 4 is positioned between the upper wing plates 13 or the lower wing plates 13, the side surfaces of the rubber connecting plate are attached to the wing plates 13, the bottom of the rubber connecting plate is attached to the transverse plate 11, and the end surfaces of the rubber connecting plate and the transverse plate 11 are flush; the two sides of the rubber connecting plate 4 respectively extend inwards and outwards vertically, wherein the first hanging lug 41 with the radian larger than 180 degrees is formed by extending outwards, the bottom surface of the first hanging lug 41 extends downwards and then inwards to form an L-shaped clamping table 42, the L-shaped clamping table 42 is used for clamping the end surface of the transverse plate 11, and a second hanging lug 43 with the radian larger than 180 degrees is formed at the end part after extending inwards; the inner side surface of the transverse plate 11 is provided with a screw hole 14 which is singly protruded inwards (the upper and lower transverse plates 11 are respectively provided with two screw holes 14 which are symmetrical left and right and are positioned outside the vertical plate 12); a connecting hole 21-1 is formed in the corresponding position of the screw hole 14 of the sealing plate 21, an insertion slot 21-2 is formed in the lower end of the sealing plate 21 and used for inserting from top to bottom (for convenience of viewing, the sealing plate 21 is turned over in the drawing so that the insertion slot 21-2 is above and the structure is convenient to view), and a first cylindrical connecting end 21-3 matched with the first hanging lug 41 in shape is formed on each side of the sealing plate 21 (the width of the sealing plate 21 is consistent with that of the rubber connecting plate 4, so that the first cylindrical connecting end 21-3 is inserted into an arc-shaped space of the first hanging lug 41 when the sealing plate 21 is inserted from top); the inner side of the top plate 31 is provided with a second cylindrical connecting end 31-1 matched with the second hanging lug 43 in shape (when the cover plate 3 is covered, the second cylindrical connecting end 31-1 is inserted into the arc-shaped space of the second hanging lug 43; preferably, the height of the second cylindrical connecting end 31-1 can be tightly attached to the surface of the transverse plate 11 after the second cylindrical connecting end is completely inserted).

Through the arrangement, in the embodiment, when the bus duct is connected, the two rubber connecting plates 4 are respectively clamped at the end parts of the transverse plates 11 of the shell 1; the slot 21-2 of the closing plate 21 is inserted from top to bottom, so that the structure at the slot 21-2 is conveniently known, and the three-dimensional diagram is turned by 180 degrees (at this time, the first hanging lug 41 is perfectly matched with the first cylindrical connecting end 21-3, and the end socket 2 is in a stable positioning state); the mounting of the seal head 2 is realized by the screws passing through the connecting holes 21-1 and the screw holes 14; after the adjacent bus ducts are connected through the connector, the installation of the cover plate 3 can be completed only by pressing the surface of the transverse plate 11 (the second cylindrical connecting end 31-1 on the cover plate 3 is perfectly matched with the four second hanging lugs 43 on the two rubber connecting plates 4 on the same side of the adjacent bus ducts to form elastic extrusion fixation). Therefore, the rubber connecting plate 4 used in connection of the seal head 2 in the embodiment plays a good transition role, the seal head 2 is convenient to fix, and a mechanical connecting piece is not needed to be used when the cover plate 3 is installed, so that the seal head is convenient and fast to use.

Preferably: the bus copper bar sealing device is characterized by further comprising an elastic waterproof strip 5 and a rubber base plate 8, wherein the elastic waterproof strip 5 is in a shape like a Chinese character 'hui', is positioned between the end socket 2 and the end face of the shell 1 and is used for sealing the periphery of a bus copper bar, and a groove 21-4 for placing the elastic waterproof strip 5 is formed in the pressing surface of the sealing plate 21; the rubber base plate 8 is attached to the outer end face of the slot 21-2, the middle part of the rubber base plate protrudes inwards to seal the socket of the slot 21-2, the two sides of the rubber base plate extend to cover the connecting hole 21-2, and a through hole for communication is formed in the connecting hole 21-2 (a screw penetrates through the rubber base plate 8 to be integrally connected when the seal head 2 is connected). The sealing plate 21 has good waterproofness through the arrangement of the elastic waterproof strips 5, and the rubber cushion plate 8 can improve the waterproof sealing performance of the slot 21-2, so that the waterproof performance of the end socket 2 can achieve the best effect.

Example 2

As shown in fig. 7, the present embodiment optimizes the housing 1 as follows: the shell 1 is formed by butt joint of an upper shell and a lower shell which are symmetrical, the butt joint surfaces of the upper shell and the lower shell are protruded outwards to form butt joint parts 15, the bottom surfaces of the butt joint parts 15 are in a certain radian, and a sealing component 6 is arranged in an ellipsoidal space formed after the butt joint of the two butt joint parts 15; the top surface of the butt joint part 15 of the upper shell and the bottom surface of the butt joint part 15 of the lower shell are wavy and are fixedly inserted through a concave-shaped inserting plate 7 with the shape matched with the shape of the inner side surface (after the integral installation, the longitudinal moving direction of the inserting plate 7 is fixed through end sockets at two ends); the butt joint plates (the butt joint plates are butted to form an integral vertical plate) of the upper shell and the lower shell are at least provided with a convex rib 16, and the section of the rib 16 is semicircular; the upper shell, the lower shell and the inserting plate 7 are integrally cast and formed through a die respectively.

The shell 1 in the embodiment is formed by butting an upper shell and a lower shell which are integrally manufactured, and a waterproof sealing piece and an inserting plate 7 are added at a seam for fixing. The shell 1 is fast and fast to assemble, the defect that fine connecting pieces such as screws and bolts are relied on in the prior art is overcome, and the installation site is neat and ordered; the number of seams is greatly reduced, and the waterproof performance is greatly improved on the basis; the butt-joint part 15 for connection and the insertion plate 7 are matched with the convex rib 16 to greatly increase the surface area of the outer side surface of the shell 1, thereby improving the heat dissipation effect.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any manner. The technical solution of the present invention can be changed and modified in many ways by the method disclosed above, or modified to equivalent embodiments with equivalent changes, without departing from the technical principle and scope of the present invention. Therefore, do not break away from the utility model discloses a principle or scheme, the foundation the utility model discloses a technical essence is right the utility model discloses any combination, modification or replacement that technical characteristic made all shall belong to the technical scheme's of the utility model protection scope.

Claims

1. The shell body, the end socket and the cover plate are used for the bus duct, the shell body (1) is composed of an upper transverse plate (11), a lower transverse plate (11) and two vertical plates (12) which are positioned between the transverse plates (11) and perpendicular to the transverse plates, the whole section is I-shaped, a bus copper bar arrangement space is formed between the vertical plates (12), and two sides of the transverse plates (11) extend outwards and vertically to form wing plates (13); the end enclosure (2) comprises a sealing plate (21) for sealing the end face of the shell (1) and two protective plates (22) vertical to the sealing plate; the cover plate (3) consists of a top plate (31) and a side plate (32) vertical to the top plate, and forms a concave shape for covering the upper surface and the lower surface of the adjacent bus duct and the connector; it is characterized by also comprising two rubber connecting plates (4) which are symmetrical up and down; the rubber connecting plate (4) is positioned between the wing plates (13), the side surface of the rubber connecting plate is attached to the wing plates (13), the bottom of the rubber connecting plate is attached to the transverse plate (11), and the end surface of the rubber connecting plate is flush with the end surface of the transverse plate (11); the two sides of the rubber connecting plate (4) extend inwards and outwards vertically respectively, wherein the first hanging lug (41) with the radian larger than 180 degrees is formed by extending outwards, the bottom surface of the first hanging lug (41) extends downwards and then inwards to form an L-shaped clamping table (42), the L-shaped clamping table (42) is used for clamping the end surface of the transverse plate (11), and a second hanging lug (43) with the radian larger than 180 degrees is formed at the end part after extending inwards; the inner side surface of the transverse plate (11) is provided with a screw hole (14) which is singly protruded inwards; a connecting hole (21-1) is formed in the corresponding position of the screw hole (14) of the sealing plate (21), an inserting groove (21-2) is formed in the lower end of the sealing plate (21) and used for inserting from top to bottom, and a first cylindrical connecting end (21-3) matched with the first hanging lug (41) in shape is formed in two sides of the sealing plate (21); a second cylindrical connecting end (31-1) matched with the second hanging lug (43) in shape is arranged on the inner side of the top plate (31).

2. The shell, the end socket and the cover plate for the bus duct according to claim 1, further comprising an elastic waterproof strip (5); the elastic waterproof strip (5) is in a shape like a Chinese character 'hui', is positioned between the end face of the seal head (2) and the end face of the shell (1) and is used for sealing the periphery of the bus copper bar, and the seal plate (21) is provided with a groove (21-4) for placing the elastic waterproof strip (5) on the pressing surface.

3. The shell, the end socket and the cover plate for the bus duct according to claim 2, further comprising a rubber pad (8), wherein the rubber pad (8) is attached to the outer end face of the slot (21-2), the middle part of the rubber pad is protruded inwards to seal the socket of the slot (21-2), two sides of the rubber pad extend to cover the connecting hole (21-1), and a communicated through hole is formed in the connecting hole (21-1).

4. The shell, the end socket and the cover plate for the bus duct according to claim 1, wherein the shell (1) is formed by butt joint of an upper shell and a lower shell which are symmetrical, the butt joint surfaces of the upper shell and the lower shell protrude outwards to form butt joint parts (15), the bottom surfaces of the butt joint parts (15) are in a certain radian, and a sealing component (6) is arranged in an ellipsoidal space formed after the butt joint of the two butt joint parts (15); the top surface of the butt joint part (15) of the upper shell and the bottom surface of the butt joint part (15) of the lower shell are wavy and are fixedly inserted through a concave inserting plate (7) with the shape matched with the shape of the inner side surface.

5. The shell, the seal head and the cover plate for the bus duct according to claim 4, wherein at least one convex rib (16) is arranged on the butt joint plate of the upper shell and the lower shell, and the cross section of the rib (16) is semicircular.

6. The shell, the sealing head and the cover plate for the bus duct according to claim 4 or 5, wherein the upper shell, the lower shell and the inserting plate (7) are respectively formed by integral casting through a die.