CN107732824B

CN107732824B - Bus adapter

Info

Publication number: CN107732824B
Application number: CN201711126566.9A
Authority: CN
Inventors: 黄浩特; 黄成森
Original assignee: Zhejiang Sunai Power Technology Co ltd
Current assignee: Zhejiang Sunai Power Technology Co ltd
Priority date: 2017-11-15
Filing date: 2017-11-15
Publication date: 2023-10-13
Anticipated expiration: 2037-11-15
Also published as: CN107732824A

Abstract

The invention relates to a bus adapter, which comprises a base, a cover plate arranged on the base, a bus switching assembly and a plurality of groups of adjustable fixing assemblies, wherein the adjustable fixing assemblies comprise guide rods arranged in fixing grooves of the base and fixing seats arranged on the guide rods in a sliding manner, fixing holes are formed in the fixing seats, a plurality of through holes matched with the fixing holes are formed in the cover plate corresponding to the fixing seats, arc-shaped limiting parts are arranged at one sides of the fixing seats corresponding to the fixing holes, limiting grooves matched with the arc-shaped limiting parts are respectively formed in two sides of the fixing grooves corresponding to the fixing seats, the arc-shaped limiting parts are clamped in the limiting grooves, the fixing seats can slide on the guide rods, the arc-shaped limiting parts move along with the fixing seats and can slide in the limiting grooves, and limiting blocks matched with the fixing seats are arranged in the fixing grooves. The invention has the advantages of simple structure, stable and reliable performance and convenient installation.

Description

Bus adapter

Technical Field

The invention relates to a bus adapter, in particular to a bus adapter for a circuit breaker.

Background

At present, a bus system is mainly applied to a low-voltage power distribution cabinet, a wire inlet and outlet loop adopts a nonporous electric installation technology, a switch is connected with a bus through a bus adapter, and a distribution bus is not only a conductor but also a support body of an electric element and is sealed at the back, so that the purposes of insulating an electric appliance, sealing installation and safety and reliability are achieved. And the bus system has the remarkable advantages of saving installation space, reducing wiring, increasing loops, being easy to maintain and the like. The bus adapter is electric connection equipment, and the bus adapter is used for overlapping the electric elements on the electrified copper bars, so that an incoming cable is not required to be connected, and the bus adapter is very convenient to assemble, disassemble and maintain. When the bus adapter is used as connecting equipment between the circuit breaker and the bus copper bar, the bus adapter and the circuit breaker are matched and installed together. Because the sizes of the mounting holes of the circuit breakers are different from each other in different specifications at home and abroad, the conventional adapter is generally only suitable for one circuit breaker, and each circuit breaker is provided with a different adapter, so that the operation is complicated and the trouble is increased for a user in an intangible way.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the flexible fixed bus adapter which has the advantages of simple structure, stable and reliable performance, convenient installation and capability of adapting to circuit breakers of various specifications.

In order to achieve the above purpose, the invention adopts the bus adapter, which comprises a base, a cover plate arranged on the base, bus adapter components arranged in a containing cavity of the base, and a plurality of groups of adjustable fixing components which are distributed in the base in a rectangular array and used for fixing the circuit breaker, wherein the adjustable fixing components comprise a guide rod arranged in a fixing groove of the base and a fixing seat arranged on the guide rod in a sliding manner, fixing holes are formed in the fixing seat, a plurality of through holes matched with the fixing holes are formed in the cover plate corresponding to the fixing seat, an arc limiting part is formed in one side of the fixing seat corresponding to the fixing holes, limiting grooves matched with the arc limiting parts are respectively formed in two sides of the fixing seat corresponding to the fixing seat in the fixing groove, the arc limiting parts are clamped in the limiting grooves, the fixing seat can slide on the guide rod, the arc limiting parts move along with the fixing seat, and limiting blocks matched with the fixing seat are arranged in the fixing groove.

The beneficial effects of the structure are as follows: the bus adapter has the advantages of simple structure, stable and reliable performance and convenience in installation, and the fixing seat of the adjustable fixing assembly can be adjusted according to the position of the mounting hole of the circuit breaker, so that the bus adapter can be flexibly fixed with the circuit breakers with various specifications, and is convenient for users to use.

Particularly, the bus switching assembly comprises a copper bar and a copper pipe which are fixed in the accommodating cavity, a bus hook and an adjusting screw are arranged at one end of the copper bar, the lower end of the bus hook is provided with a hook part which extends out of the base, the lower end of the adjusting screw penetrates through the bus hook and is abutted against the copper bar, the lower end of the copper pipe is connected to the other end of the copper bar, and the upper end of the copper pipe penetrates through a round hole in the cover plate and extends out of the cover plate. The copper bar is connected with the wiring board of the circuit breaker through the copper pipe, and the bus adapter can be electrically connected with the circuit breaker only by fixing the copper pipe with the wiring board of the circuit breaker through bolts, so that the installation is convenient and quick.

Particularly, the hook part is provided with a plurality of anti-slip teeth matched with the bus. The anti-slip teeth can increase friction force and ensure that the hook part and the bus are in reliable electrical contact.

Particularly, the basic shape of fixing base be the U type, and be provided with the square hole that can supply the guide bar to pass on the fixing base, the one end of guide bar pass square hole and block dress in the spacing hole of fixed slot one end, the other end of guide bar passes through the screw fixation in the fixed slot. The guide rod is arranged in the fixed groove in a clamping manner, so that the fixing assembly is convenient to install in the fixed groove once, and the assembly efficiency of the bus adapter is improved.

Particularly, the two sides of the base are provided with heat dissipation holes communicated with the accommodating cavity of the base. The heat dissipation holes are beneficial to heat dissipation of the copper bars in the base, and the working reliability of the adapter is improved.

Drawings

Fig. 1 is an assembly schematic diagram of an embodiment of the present invention and a circuit breaker.

Fig. 2 is a schematic diagram of an electrical connection between an embodiment of the present invention and a circuit breaker.

Fig. 3 is an assembly diagram of an adjustable fixing assembly and a base according to an embodiment of the present invention.

Fig. 4 is a top view internal block diagram of an embodiment of the present invention.

Fig. 5 is a perspective view of a bus bar adapter assembly according to an embodiment of the invention.

Fig. 6 is a perspective view of a fixing base according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 6, an embodiment of the present invention is a bus adapter, which includes a base 10, a cover plate 11 disposed on the base 10, a bus adapter assembly 20 disposed in a receiving cavity 101 of the base 10, four groups of adjustable fixing assemblies 30 distributed in a rectangular array in the base 10 for fixing a circuit breaker, and heat dissipation holes 106 communicating with the receiving cavity 101 of the base 10 are disposed on two sides of the base 10. The heat dissipation holes are beneficial to heat dissipation of the copper bars in the base, and the working reliability of the adapter is improved. The adjustable fixing assembly 30 comprises a guide rod 31 arranged in a fixing groove 102 of the base 10, a fixing seat 32 arranged on the guide rod 31 in a sliding manner, a fixing hole 321 is formed in the fixing seat 32, a plurality of through holes 111 matched with the fixing hole 321 are formed in the cover plate 11 corresponding to the fixing seat 321, an arc-shaped limiting part 322 is formed in one side of the fixing seat 32 corresponding to the fixing hole 321, limiting grooves 103 matched with the arc-shaped limiting parts 322 are formed in two sides of the fixing groove 102 corresponding to the fixing seat 32 respectively, the arc-shaped limiting parts 322 are clamped in the limiting grooves 103, the fixing seat 32 can slide on the guide rod 31, the arc-shaped limiting parts 322 move along with the fixing seat 32 and can slide in the limiting grooves 103, and limiting blocks 104 matched with the fixing seat 32 are arranged in the fixing groove 102. Be provided with in the fixed slot with the arc spacing portion matched with spacing groove of fixing base, can realize the transverse adjustment of fixing base in the fixed slot to this fixing base can be fixed in a flexible way with the circuit breaker of different width, and still be provided with in the fixed slot with fixing base matched with stopper, can realize the vertical regulation of fixing base in the fixed slot, thereby this fixing base can be fixed in a flexible way with the circuit breaker of different length. As shown in fig. 1, 3 and 6, the basic shape of the fixing base 32 is U-shaped, and the fixing base 32 is provided with a square hole 323 through which the guide rod 31 passes, one end of the guide rod 31 passes through the square hole 323 and is clamped in the limiting hole 105 at one end of the fixing slot 102, and the other end of the guide rod 31 is fixed in the fixing slot 102 by a screw 33. The guide rod is arranged in the fixed groove in a clamping manner, so that the fixing assembly is convenient to install in the fixed groove once, and the assembly efficiency of the bus adapter is improved.

As shown in fig. 2, 4 and 5, the bus bar switching assembly 20 includes a copper bar 21 and a copper tube 22 fixed in the accommodating cavity 101, a bus bar hook 23 and an adjusting screw 24 arranged at one end of the copper bar 21, a hook portion 231 extending outside the base 10 is arranged at the lower end of the bus bar hook 23, the lower end of the adjusting screw 24 passes through the bus bar hook 23 and abuts against the copper bar 21, the lower end of the copper tube 22 is connected at the other end of the copper bar 21, and the upper end of the copper tube 22 passes through a round hole 112 on the cover plate 11 and extends outside the cover plate 10. As shown in fig. 2, the copper bar 21 is connected with the wiring board 41 of the circuit breaker 40 through the copper pipe 22, and the bus bar adapter and the circuit breaker can be electrically connected only by fixing the copper pipe with the wiring board of the circuit breaker through bolts, so that the installation is convenient and quick. The hook 231 is provided with a plurality of anti-slip teeth 232 matched with the bus bar. The anti-slip teeth can increase friction force and ensure that the hook part and the bus are in reliable electrical contact.

The bus adapter has the advantages of simple structure, stable and reliable performance and convenient installation, as shown in fig. 1, the circuit breaker 40 can be fixed on the bus adapter only by connecting the circuit breaker on the fixing seat 32 through the screw rod 42, the installation is convenient and quick, the fixing seat of the adjustable fixing component can be adjusted according to the position of the mounting hole of the circuit breaker, and therefore the bus adapter can be flexibly fixed with the circuit breakers with various specifications, and the use of users is convenient.

Claims

1. The utility model provides a busbar adapter, includes the base, sets up apron on the base, sets up the holding intracavity busbar switching subassembly at the base, multiunit are rectangular array and distribute and be used for the adjustable fixed subassembly of fixed circuit breaker in the base, its characterized in that: the adjustable fixing component comprises a guide rod arranged in a fixing groove of a base, and a fixing seat arranged on the guide rod in a sliding manner, wherein a fixing hole is formed in the fixing seat, a plurality of through holes matched with the fixing hole are formed in the position corresponding to the fixing seat on a cover plate, arc-shaped limiting parts are arranged on one side of the fixing seat corresponding to the fixing hole, limiting grooves matched with the arc-shaped limiting parts are formed in two sides of the fixing groove corresponding to the fixing seat respectively, the arc-shaped limiting parts are clamped in the limiting grooves, the fixing seat can slide on the guide rod, the arc-shaped limiting parts move along with the fixing seat and can slide in the limiting grooves, and limiting blocks matched with the fixing seat are arranged in the fixing groove.

2. The bus bar adapter of claim 1 wherein: the bus switching assembly comprises a copper bar and a copper pipe which are fixed in the accommodating cavity, a bus hook and an adjusting screw are arranged at one end of the copper bar, the lower end of the bus hook is provided with a hook part which extends outside the base, the lower end of the adjusting screw penetrates through the bus hook and is abutted against the copper bar, the lower end of the copper pipe is connected to the other end of the copper bar, and the upper end of the copper pipe penetrates through a round hole in the cover plate and extends outside the cover plate.

3. The bus bar adapter of claim 2 wherein: the hook part is provided with a plurality of anti-slip teeth matched with the bus.

4. The bus bar adapter of claim 1 wherein: the basic shape of fixing base be the U type, and be provided with the square hole that can supply the guide bar to pass on the fixing base, the one end of guide bar pass square hole and block dress in the spacing hole of fixed slot one end, the other end of guide bar passes through the fix with screw in the fixed slot.

5. The bus bar adapter according to claim 1 or 2, wherein: and heat dissipation holes communicated with the accommodating cavity of the base are formed in two sides of the base.