CN210403473U

CN210403473U - Transformer with built-in telescopic power connection terminal

Info

Publication number: CN210403473U
Application number: CN201921970424.5U
Authority: CN
Inventors: 辛英民; 赵春彦
Original assignee: Pingdingshan Zhixin Electric Co Ltd
Current assignee: Pingdingshan Zhixin Electric Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-04-24
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a transformer connects electric technical field, specifically is a transformer of built-in telescopic electrical connection terminal, including the transformer case, fixed perpendicular welding has the connection platform in the middle of the up end of transformer case, and the inner chamber fixed mounting of transformer case has a transformer main part, and the up end of transformer main part is provided with the input perpendicularly, and the inner chamber of connecting the platform is provided with connects the inner chamber, and beneficial effect is: the utility model realizes the extension and retraction of the connecting terminal by arranging the connecting sliding sleeve which can slide up and down, and the electric connecting terminal is retracted into the transformer box in the unused time, thereby prolonging the service life of the transformer; through the quarter ring that communicates about setting up, and then the rotation of cooperation insulating rubber connecting rod realizes simple structure, convenient operation, and the cost is lower to the rigidity of flexible sliding sleeve, is convenient for generally use widely.

Description

Transformer with built-in telescopic power connection terminal

Technical Field

The utility model relates to a transformer connects electric technical field, specifically is a transformer of built-in telescopic electrical connection terminal.

Background

The existing transformer power connection device is usually provided with an outer side, is easily influenced by the environment, is polluted by the environment in the time when the transformer is not used, and further prolongs the service life of a connecting terminal, and simultaneously easily causes accidents such as short circuit or open circuit of a circuit.

Therefore, the transformer with the built-in telescopic electric terminals is provided, and the problem of telescopic fixing of the electric terminals is solved.

Disclosure of Invention

An object of the utility model is to provide a transformer of built-in telescopic electrical connection terminal to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a built-in telescopic electrical connection terminal's transformer, includes the transformer case, the fixed perpendicular welding of connection platform in the middle of the up end of transformer case, the inner chamber fixed mounting of transformer case has the transformer main part, the up end of transformer main part is provided with the input perpendicularly, the inner chamber of connection platform is provided with connects the inner chamber, and the interlude outer wall of connection platform is provided with the shrink groove and the extension groove of longitudinal symmetry, and the lower extreme fixed welding of connection platform is at the up end of transformer case, the upper end outer wall of input has cup jointed electrically conductive connection sliding sleeve, the upper end fixedly connected with electrical connection terminal of electrically conductive connection sliding sleeve, and the interlude outer wall of electrically conductive connection sliding sleeve bonds perpendicularly has the insulating rubber connecting rod, shrink groove and extension groove are the quarter ring groove, and the rear end of shrink groove and extension groove communicates through the spout of perpendicular extension, the insulating rubber connecting rod slides and pegs, The extending groove and the inner cavity of the sliding groove.

Preferably, a pair of heat dissipation fans that are symmetrical to each other are seted up to the left and right terminal surface of transformer case, heat dissipation fan opening slope downwardly extending, and heat dissipation fan intercommunication transformer main part.

Preferably, the transformer main part is connected to the lower extreme of input, and the upper end of input extends to and connects in the inner chamber, and the upper end of input is fixed to bond has the stopper, the external diameter of stopper is greater than the lower extreme opening of electrically conductive connection sliding sleeve.

Preferably, the middle position of the upper end of the conductive connecting sliding sleeve is provided with a downward sunken internal thread, and the conductive connecting sliding sleeve is connected with the electric terminal through the internal thread.

Preferably, the lower extreme of electrically conductive connecting sliding sleeve is provided with the spring, the outer wall at the input is cup jointed to the spring, and the upper end of spring is supported at the lower terminal surface of electrically conductive connecting sliding sleeve, and the lower extreme of spring is supported at the upper end of transformer case.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model realizes the extension and retraction of the connecting terminal by arranging the connecting sliding sleeve which can slide up and down, and the electric connecting terminal is retracted into the transformer box in the unused time, thereby prolonging the service life of the transformer;

2. the utility model discloses a quarter ring of intercommunication about setting up, and then the rotation of cooperation insulating rubber connecting rod realizes the rigidity to flexible sliding sleeve, simple structure, convenient operation, and the cost is lower, is convenient for generally use widely.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1 transformer case, 2 transformer main parts, 3 heat dissipation fan, 4 input, 5 connection platforms, 6 connection inner chambers, 7 electrically conductive connection sliding sleeves, 8 electrical connection terminals, 9 internal threads, 10 shrinkage groove, 11 extending groove, 12 chutes, 13 insulating rubber connecting rods, 14 limiting blocks and 15 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a built-in telescopic transformer that connects electrical terminal, includes transformer box 1, and the inner chamber fixed mounting of transformer box 1 has transformer body 2, and a pair of heat dissipation fan 3 of mutual symmetry is seted up to the terminal surface about

transformer box

1, and 3 opening slopes downwardly extending of heat dissipation fan, and 3 intercommunication transformer body 2 of heat dissipation fan, utilize heat dissipation fan 3 to carry out timely heat dissipation to transformer body 2 in the transformer box 1.

Fixed perpendicular welding has connected platform 5 in the middle of the up end of transformer case 1, and the up end of transformer main part 2 is provided with input 4 perpendicularly, connects the fixed welding of the lower extreme of platform 5 at the up end of transformer case 1, and the inner chamber of connecting platform 5 is provided with connects inner chamber 6, and the lower extreme electric connection transformer main part 2 of input 4, the upper end of input 4 extend to connect inner chamber 6 in, utilize and connect inner chamber 6 and then protect input 4 in the inside of transformer case 1.

The upper end of input 4 is fixed with stopper 14, and stopper 14's external diameter is greater than the lower extreme opening of electrically conductive connecting sliding sleeve 7, utilizes stopper 14 to prevent to drop between electrically conductive connecting sliding sleeve 7 and the 4 outer walls of input.

The upper end outer wall of input 4 has cup jointed electrically conductive connection sliding sleeve 7, and the upper end fixedly connected with of electrically conductive connection sliding sleeve 7 connects electrical terminal 8, and the upper end intermediate position of electrically conductive connection sliding sleeve 7 is provided with undercut's internal thread 9, and electrically conductive connection sliding sleeve 7 connects electrical terminal 8 through internal thread 9 threaded connection, utilizes the internal thread 09 to realize electrically conductive connection sliding sleeve 7 and connect the connection between electrical terminal 8, utilizes electrically conductive connection sliding sleeve 7 to realize connecting electrical terminal 8's upper and lower flexible.

The lower extreme of electrically conductive connection sliding sleeve 7 is provided with spring 15, and spring 15 cup joints the outer wall at input 4, and the lower terminal surface at electrically conductive connection sliding sleeve 7 is supported to the upper end of spring 15, and the lower extreme of spring 15 supports the upper end at vary voltage case 1, utilizes spring 15 to realize providing ascending extrusion force to electrically conductive connection sliding sleeve 7 for electrical connection terminal 8 receives ascending continuous effort.

The interlude outer wall of joint table 5 is provided with vertically symmetrical shrink groove 10 and extending groove 11, and shrink groove 10 and extending groove 11 are the quarter ring groove, and the rear end of shrink groove 10 and extending groove 11 is through the spout 12 intercommunication of perpendicular extension.

The middle section outer wall of the conductive connecting sliding sleeve 7 is vertically bonded with an insulating rubber connecting rod 13, the insulating rubber connecting rod 13 is inserted in the inner cavities of the contraction groove 10, the extension groove 11 and the sliding groove 12 in a sliding mode, and the position of the conductive connecting sliding sleeve 7 is fixed by the insulating rubber connecting rod 13.

The working principle is as follows: in a contraction state, the insulating rubber connecting rod 13 is downwards compressed by the spring 15 along the sliding groove 12, when the insulating rubber connecting rod 13 is positioned at an interface between the contraction groove 10 and the sliding groove 12, the insulating rubber connecting rod 13 is rotated, so that the insulating rubber connecting rod 13 is positioned in the contraction groove 10, the contraction position is fixed, and at the moment, the electric connection terminal 8 is positioned in the connection inner cavity 6.

In the extending state, the insulating rubber connecting rod 13 is rotated, so that the insulating rubber connecting rod 13 is located at the lowest end of the sliding groove 12, under the action of the spring 15, the insulating rubber connecting rod 13 moves upwards, when the highest end of the insulating rubber connecting rod 13 (a connection port between the sliding groove 12 and the extending groove 11), the insulating rubber connecting rod 13 is rotated, so that the insulating rubber connecting rod 13 is located in the extending groove 11, the extending position of the insulating rubber connecting rod 13 is fixed, and the electric connection terminal 8 is located at the upper end of the connection table 5 at the moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a built-in telescopic power connection terminal's transformer, includes transformer case (1), its characterized in that: the transformer comprises a transformer body (2), an input end (4) is vertically arranged on the upper end face of the transformer body (2), a connecting table (5) is fixedly and vertically welded in the middle of the upper end face of the transformer body (1), a connecting inner cavity (6) is arranged in the inner cavity of the connecting table (5), a contraction groove (10) and an extension groove (11) which are vertically symmetrical are arranged on the outer wall of the middle section of the connecting table (5), the lower end of the connecting table (5) is fixedly and vertically welded on the upper end face of the transformer body (1), a conductive connecting sliding sleeve (7) is sleeved on the outer wall of the upper end of the input end (4), an electric terminal (8) is fixedly connected on the upper end of the conductive connecting sliding sleeve (7), an insulating rubber connecting rod (13) is vertically bonded on the outer wall of the middle section of the conductive connecting sliding sleeve (7), and the contraction groove (10) and the extension groove (11) are, the rear ends of the contraction groove (10) and the extension groove (11) are communicated through a sliding groove (12) which extends vertically, and the insulating rubber connecting rod (13) is inserted in the inner cavities of the contraction groove (10), the extension groove (11) and the sliding groove (12) in a sliding mode.

2. The transformer with the built-in telescopic electric terminals as claimed in claim 1, wherein: a pair of heat dissipation fan (3) of mutual symmetry is seted up to the terminal surface about transformer case (1), heat dissipation fan (3) opening slope downwardly extending, and heat dissipation fan (3) intercommunication transformer main part (2).

3. The transformer with the built-in telescopic electric terminals as claimed in claim 1, wherein: transformer main part (2) is connected to the lower extreme of input (4), and the upper end of input (4) extends to and connects in inner chamber (6), and the upper end of input (4) is fixed to bond has stopper (14), the external diameter of stopper (14) is greater than the lower extreme opening of electrically conductive connection sliding sleeve (7).

4. The transformer with the built-in telescopic electric terminals as claimed in claim 1, wherein: the upper end intermediate position of electrically conductive connection sliding sleeve (7) is provided with undercut internal thread (9), and electrically conductive connection sliding sleeve (7) are through internal thread (9) threaded connection electric terminal (8).

5. The transformer with the built-in telescopic electric terminals as claimed in claim 1, wherein: the lower extreme of electrically conductive connecting sliding sleeve (7) is provided with spring (15), spring (15) cup joint the outer wall at input (4), and the lower terminal surface at electrically conductive connecting sliding sleeve (7) is supported to the upper end of spring (15), and the lower extreme of spring (15) supports the upper end at transformer case (1).