CN218300870U

CN218300870U - Low-voltage plug-in bus duct

Info

Publication number: CN218300870U
Application number: CN202222427718.1U
Authority: CN
Inventors: 黄国永; 朱其军; 赵志维
Original assignee: Guangdong Changdian Technology Co ltd
Current assignee: Guangdong Changdian Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-13
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a low-voltage plug-in bus duct, which comprises a shell, an adjusting sheet and a connecting sheet which are arranged at the two ends of the shell, an adjusting mechanism which is arranged on the shell and is positioned at the same end with the adjusting sheet, sliding mechanisms which are arranged at the two sides of the shell, and a connecting mechanism which is arranged on the sliding mechanisms and is used for fixing the sliding mechanisms at the two sides, wherein the connecting mechanism comprises an elastic part which is arranged between the two sliding mechanisms, a fixed block which is arranged on the elastic part, an expansion spring and a metal hose which are arranged at the two sides of the fixed block, and a connecting block which is provided with a through hole and is connected with a second threaded rod and is provided with the other end of the expansion spring; this bus duct is connected with slide mechanism through the connecting block that sets up on the coupling mechanism, utilizes expanding spring's effect can be inseparabler with the contact of the slide mechanism that lets both sides and shell, can effectually carry out better sealing through the setting of elastic component in the clearance that will be located bus duct below junction, improves the protection to the bus duct inside.

Description

Low-voltage plug-in bus duct

Technical Field

The utility model particularly relates to a low pressure grafting bus duct.

Background

Along with the rapid increase of urban electric loads, the bus duct gradually replaces electric wires and cables originally used for electric power transportation by virtue of the advantages of large capacity and the like, and most bus ducts are fixed in size and large in size and cannot be flexibly adjusted according to the requirements of actual lines; the plug-in bus duct is small in size and can flexibly adjust the actual circuit, the voltage borne by the bus duct is low, and the situations of connection aging and even short circuit can be caused due to the fact that the contact area of pins is small, fixing difficulty is easy to occur, the resistance of a connection part is large, and heat is easy to generate; moreover, the junction is not firm, the risk of quality control and management easily occurs and the problem of pressure resistance is caused, the protection of the junction is poor, the protection capability of the bus duct can be affected after a long time, and the service life of the bus duct is further shortened.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a low voltage plugging bus duct with firmly fixed pins and good protection for the connection.

In order to solve the technical problem, the utility model provides a low pressure grafting bus duct, including the shell, set up at the control flap and the connection piece at shell both ends, set up on the shell, and be in the adjustment mechanism with the control flap with the one end, set up the slide mechanism in the shell both sides, set up on slide mechanism, be used for fixed both sides slide mechanism's coupling mechanism, coupling mechanism sets up the fixed block on the elastic component including setting up the elastic component between two slide mechanism, sets up the expanding spring and the metal collapsible tube of fixed block both sides, sets up expanding spring's the other end, and be connected with slide mechanism, and set up the connecting block of through-hole.

Preferably, the housing comprises a housing, a fixing plate arranged on one side of the housing and used for connecting the adjusting mechanism, a connecting plate arranged on the other side of the housing, and a connecting rod arranged on the connecting plate, wherein the housing, the fixing plate and the connecting plate are integrally formed.

Furthermore, the fixing plate is arranged in a U shape, and is provided with a connecting hole matched with the connecting rod, a through hole matched with the adjusting mechanism, and a trapezoidal sliding chute arranged on the outer side of the fixing plate and arranged on the shell.

Preferably, the adjusting mechanism comprises a sliding rod arranged on the shell, adjusting blocks which are arranged on the sliding rod and provided with sliding through holes, adjusting springs which are arranged on the sliding rod and welded between the adjacent adjusting blocks, first connecting lugs arranged on the adjusting blocks on the outermost sides, a transmission rod which is arranged on the first connecting lugs and provided with rotating through holes at two ends, adjusting pieces which are arranged on the transmission rod and connected with the shell, and a waterproof gasket and an adjusting nut which are arranged on the adjusting pieces.

Furthermore, the regulating block is an insulating block with one end surface in honeycomb arrangement.

Further, the adjusting part comprises a first threaded rod and a second connecting lug arranged at the bottom end of the first threaded rod.

Preferably, the sliding mechanism comprises sliding plates arranged on two sides of the shell, elastic waterproof strips arranged on the periphery of the sliding plates, second threaded rods arranged on two ends of the sliding plates, and washers and fixing nuts arranged on the second threaded rods.

Furthermore, two ends of the sliding plate extend outwards and are provided with trapezoidal bulges used by matching the shell with the trapezoidal sliding grooves formed in the fixed plate.

The utility model discloses technical effect mainly embodies in following aspect: the bus duct can realize tight connection between the connecting sheet and the adjusting sheet between the bus ducts through the arrangement of the adjusting mechanism, the position of the adjusting sheet is changed through the adjusting mechanism, the butt joint of the two bus ducts is smoother, the adjusting sheet and the connecting sheet to be butted can be firmly fixed through the adjusting mechanism after the butt joint of the bus ducts is finished, the arrangement of the adjusting block can also improve the heat dissipation speed of the joint of the bus ducts, the accelerated aging of lines of the bus ducts due to excessive high temperature of the bus ducts is avoided, and the service life of the bus ducts is prolonged; the bus duct is preliminarily fixed through the arrangement of the fixed plate and the connecting rod, the trapezoidal sliding chutes arranged on the fixed plate and the shell are matched with the sliding plate pair, the bus duct is further fixed, and the sliding plate is more firmly fixed through the connecting mechanism; through the elastic waterproof strips arranged on the periphery of the sliding plate and the elastic pieces arranged on the connecting mechanisms, the sealing degree of a gap at the joint of the bus duct can be improved, and the protection of the joint of the bus duct is improved.

Drawings

Fig. 1 is a structural diagram of the low-voltage plug-in bus duct of the utility model;

FIG. 2 is a block diagram of the housing of FIG. 1;

FIG. 3 is a block diagram of the adjustment mechanism of FIG. 1;

FIG. 4 is a structural view of the sliding mechanism of FIG. 1;

fig. 5 is a structural view of the coupling mechanism in fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.

A low-voltage plug-in bus duct comprises a shell 1, adjusting sheets 2 and connecting sheets 3 arranged at two ends of the shell 1, adjusting mechanisms 4 arranged on the shell 1 and located at the same end with the adjusting sheets 2, sliding mechanisms 5 arranged at two sides of the shell 1, and connecting mechanisms 6 arranged on the sliding mechanisms 5 and used for fixing the sliding mechanisms 5 at two sides, wherein the adjusting sheets 2 and the connecting sheets 3 are arranged at the two ends of the shell 1.

As shown in fig. 2, the housing 1 includes a shell 11, a fixing plate 12 disposed on one side of the shell 11 and used for connecting the adjusting mechanism 4, a connecting plate 13 disposed on the other side of the shell 11, and a connecting rod 14 disposed on the connecting plate 13, wherein the shell 11, the fixing plate 12 and the connecting plate 13 are integrally formed, so that the whole bus duct can be improved, and the whole sealing of the bus duct is better; the fixing plate 12 is U-shaped and has a connecting hole for cooperating with the connecting rod 14, a through hole for cooperating with the adjusting mechanism 4, and a trapezoidal sliding groove disposed on the outer side of the fixing plate 12 and disposed on the housing 11. Specifically, the bus duct is preliminarily fixed after being plugged by butting the connecting rod 14 through a connecting hole formed in the fixing plate 12.

As shown in fig. 3, the adjusting mechanism 4 includes a sliding rod 41 disposed on the housing 11, adjusting blocks 42 disposed on the sliding rod 41 and provided with sliding through holes, an adjusting spring 43 disposed on the sliding rod 41 and welded between adjacent adjusting blocks 42, first connecting lugs 44 disposed on the adjusting blocks 42 on the outermost sides, a driving rod 45 disposed on the first connecting lugs 44 and provided with rotating through holes at both ends, an adjusting member 46 disposed on the driving rod 45 and connected to the housing 11, and a waterproof gasket 47 and an adjusting nut 48 disposed on the adjusting member 46, the waterproof gasket 47 is disposed to prevent moisture from entering from the through holes, thereby improving protection of the inside of the bus duct; the adjusting block 42 is an insulating block with one end surface arranged in a honeycomb shape; the adjusting member 46 includes a first threaded shaft 461, and a second engaging lug 462 provided at a lower end of the first threaded shaft 461. The tight connection between the connecting sheet 2 and the adjusting sheet 3 between the bus ducts can be realized through the arrangement of the adjusting mechanism 4, the position of the adjusting sheet 2 can be changed by utilizing the adjusting mechanism 4 through the permanent adhesion between the non-honeycomb surface of the adjusting block 42 and the adjusting sheet 2, the butt joint of the two bus ducts is smoother, and the adjusting sheet 2 and the connecting sheet 3 to be butted can be firmly fixed through the adjusting mechanism 4 again after the butt joint of the bus ducts is finished; when the connection between the connecting piece 2 and the adjusting piece 3 is loosened, the adjusting spring 43 is arranged, so that the distance between the adjusting blocks 42 can be restored to be normal by utilizing the elasticity of the adjusting spring 43, and the effect of loosening the tight connection between the connecting piece 2 and the adjusting piece 3 is achieved; the setting of regulating block 42 can also improve the radiating rate of bus duct in the junction, thereby avoids the bus duct to lead to the line of bus duct ageing with higher speed because of crossing excessive high temperature, has improved the life of bus duct.

As shown in fig. 4, the sliding mechanism 5 includes sliding plates 51 disposed at both sides of the casing 11, elastic waterproof strips 52 disposed around the sliding plates 51, second threaded rods 53 disposed at both ends of the sliding plates 51, washers 54 and fixing nuts 55 disposed on the second threaded rods 53; the two ends of the sliding plate 51 extend outwards and are provided with trapezoidal protrusions used in cooperation with the trapezoidal sliding grooves formed in the housing 11 and the fixed plate 12. The connecting position of the bus duct can be further fixed by matching the trapezoidal projection arranged on the sliding plate 51 with the use of the trapezoidal sliding groove arranged on the shell 11 and the fixed plate 12, the front and back and left and right movement after the bus duct is connected are limited by matching the fixed plate 12 and the connecting rod 14, and the up and down movement after the bus duct is connected by the sliding plate is limited; the elastic waterproof strips 52 arranged around the sliding plate 51 can effectively prevent moisture from entering the bus duct from the connecting gap after connection, thereby reducing the service life of the bus duct.

As shown in fig. 5, the connecting mechanism 6 includes an elastic member 61 disposed between the two sliding mechanisms 5, a fixing block 62 disposed on the elastic member 61, a flexible spring 63 and a metal hose 64 disposed on both sides of the fixing block 62, and a connecting block 65 disposed at the other end of the flexible spring 63, connected to the sliding mechanisms 5, and having a through hole. Specifically, the connecting block 65 arranged on the connecting mechanism 6 is connected with the sliding mechanism 5, the sliding mechanisms 5 on two sides can be in closer contact with the shell 1 by using the function of the telescopic spring 63, and the elastic waterproof strip 52 can play a better isolation role; through the setting of elastic component 61 can be effectual will be located the bus duct upper and lower junction the clearance carry out better sealed, improve the inside protection of bus duct.

The utility model discloses technical effect mainly embodies in following aspect: the bus duct can realize tight connection between the connecting sheet and the adjusting sheet between the bus ducts through the arrangement of the adjusting mechanism, the positions of the adjusting sheets are changed through the adjusting mechanism, the butt joint of the two bus ducts is smoother, the adjusting sheet and the connecting sheet which need to be in butt joint can be tightly fixed through the adjusting mechanism again after the butt joint of the bus ducts is completed, the arrangement of the adjusting block can also improve the heat dissipation speed of the bus duct at the joint, the accelerated aging of a line of the bus duct caused by excessive high temperature of the bus duct is avoided, and the service life of the bus duct is prolonged; the bus duct is preliminarily fixed through the arrangement of the fixed plate and the connecting rod, the trapezoidal sliding chutes arranged on the fixed plate and the shell are matched with the sliding plate pair, the bus duct is further fixed, and the sliding plate is more firmly fixed through the connecting mechanism; through the elastic waterproof strips arranged on the periphery of the sliding plate and the elastic pieces arranged on the connecting mechanisms, the sealing degree of the gap of the bus duct joint can be improved, and the protection of the bus duct joint is improved.

Of course, above is the typical example of the utility model, in addition, the utility model discloses can also have other multiple concrete implementation manners, all adopt the technical scheme that equivalent replacement or equivalent transform formed, all fall within the scope of the utility model discloses require protection.

Claims

1. The utility model provides a low pressure grafting bus duct, includes the shell, sets up at the adjustment sheet and the connection piece at shell both ends, sets up on the shell, and is in the adjustment mechanism with the adjustment sheet with the end, sets up the slide mechanism in the shell both sides, sets up on slide mechanism, is used for fixed both sides slide mechanism's coupling mechanism, its characterized in that: the connecting mechanism comprises an elastic part arranged between the two sliding mechanisms, a fixed block arranged on the elastic part, telescopic springs and metal hoses arranged on two sides of the fixed block, and connecting blocks which are arranged at the other ends of the telescopic springs, connected with the sliding mechanisms and provided with through holes.

2. The low-voltage plug-in bus duct of claim 1, wherein: the shell comprises a shell body, a fixing plate, a connecting plate and a connecting rod, wherein the fixing plate is arranged on one side of the shell body and used for being connected with the adjusting mechanism, the connecting plate is arranged on the other side of the shell body, the connecting rod is arranged on the connecting plate, and the shell body, the fixing plate and the connecting plate are integrally formed.

3. A low voltage plug-in bus duct according to claim 2, wherein: the fixing plate is arranged in a U shape, is provided with a connecting hole matched with the connecting rod for use, a through hole matched with the adjusting mechanism for use, and a trapezoidal sliding groove arranged on the outer side of the fixing plate and arranged on the shell.

4. The low-voltage plug-in bus duct of claim 1, wherein: the adjusting mechanism comprises a sliding rod arranged on the shell, adjusting blocks which are arranged on the sliding rod and provided with sliding through holes, adjusting springs welded between the adjacent adjusting blocks, first connecting lugs arranged on the adjusting blocks on the two outermost sides, transmission rods with rotating through holes arranged at the two ends, adjusting pieces arranged on the transmission rods and connected with the shell, and waterproof gaskets and adjusting nuts arranged on the adjusting pieces.

5. The low-voltage plug-in bus duct of claim 4, wherein: the adjusting block is an insulating block with one end surface in honeycomb shape.

6. The low-voltage plug-in bus duct of claim 4, wherein: the adjusting piece comprises a first threaded rod and a second connecting lug arranged at the bottom end of the first threaded rod.

7. A low voltage plug-in bus duct according to claim 2, wherein: the sliding mechanism comprises sliding plates arranged on two sides of the shell, elastic waterproof strips arranged on the periphery of the sliding plates, second threaded rods arranged at two ends of the sliding plates, and washers and fixing nuts arranged on the second threaded rods.

8. A low-voltage plug-in bus duct according to claim 7, characterized in that: two ends of the sliding plate extend outwards and are provided with trapezoidal bulges used for matching the trapezoidal sliding grooves formed in the shell and the fixed plate.