CN215988385U

CN215988385U - Power transformer terminal protection device

Info

Publication number: CN215988385U
Application number: CN202122346750.2U
Authority: CN
Inventors: 陈声金
Original assignee: Shanghai Leipold Electric Co ltd
Current assignee: Shanghai Leipold Electric Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-08
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to a protection device, and discloses a power transformer binding post protection device, which comprises a protection cover, wherein two sides of the outer wall of the protection cover are fixedly connected with side fixing blocks, and the protection device also comprises: the elastic locking mechanism is arranged in the side fixing block and used for locking the telescopic mechanism; the telescopic mechanism is arranged on the protective cover and used for clamping the transformer binding post, the telescopic mechanism is locked through the elastic locking mechanism, and then the transformer binding post is clamped through the telescopic mechanism.

Description

Power transformer terminal protection device

Technical Field

The utility model relates to a protection device, in particular to a power transformer wiring terminal protection device.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, the main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, and a transformer binding post is a special connecting component for connecting output and input wires.

Present power transformer terminal protection device generally has the shortcoming of being not convenient for dismantle and maintain, because power transformer terminal protective sheath all exposes outside usually, it leads to the damage very easily to blow by wind through long-time rain, need often change and maintain it, general power transformer terminal protective sheath is dismantled comparatively trouble, inconvenient maintenance, can not be better satisfy people's use, so propose a power transformer terminal protection device and solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power transformer binding post protection device to solve the problems in the background technology.

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

the utility model provides a power transformer terminal protection device, includes the protection casing, protection casing outer wall both sides fixedly connected with side fixed block still includes:

the elastic locking mechanism is arranged in the side fixing block and used for locking the telescopic mechanism;

and the telescopic mechanism is arranged on the protective cover and used for clamping the binding post of the transformer.

As a further scheme of the utility model: the elastic locking mechanism comprises a sliding groove assembly and a spring assembly connected to the sliding groove assembly, the sliding groove assembly comprises a sliding groove arranged in the side fixing block, a sliding block is connected in the sliding groove in a sliding mode, a bayonet is arranged on the sliding block, and the bayonet is divided into a narrow opening and a wide opening which are different in width along the vertical direction.

As a further scheme of the utility model: the spring assembly comprises a window arranged on the side face of the side fixing block, a sliding rod is fixedly connected to the sliding block, one end of the sliding rod penetrates through the side fixing block and is fixedly connected with a limiting block, a first spring is arranged in the window, and the sliding rod is sleeved with the first spring.

As a further scheme of the utility model: telescopic machanism includes litter subassembly and connects the elasticity clamping component on the litter subassembly, the litter subassembly is including setting up the through-hole in the side fixed block side, and through-hole and bayonet socket communicate each other, and the through-hole diameter is the same with the bayonet socket slot width, sliding connection has the telescopic link in the through-hole, and protection casing fixedly connected with sets up the fixture block in the protection casing is passed to telescopic link one end, the telescopic link sets up and is provided with the stopper in the outside part of side fixed block, is provided with the spacing groove in the through-hole, and the spacing groove width in both sides is the same with the wide mouthful width of bayonet socket.

As a still further scheme of the utility model: the side fixed block side fixedly connected with mount, the protection casing was kept away from to the telescopic link one end fixedly connected with connecting block, fixedly connected with connecting rod on the connecting block, connecting rod one end is passed the mount and is set up outside the mount, be provided with the second spring in the mount, the second spring housing is established on the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the elastic locking mechanism is used for locking the telescopic mechanism, and then the telescopic mechanism is used for clamping the transformer binding post.

Drawings

Fig. 1 is a schematic structural diagram of a power transformer terminal protection device according to the present invention.

Fig. 2 is a bottom view of a power transformer terminal protection device according to the present invention.

Fig. 3 is a side view of a power transformer terminal protection device of the present invention.

Fig. 4 is a partial cross-sectional view of a power transformer terminal protection device according to the present invention.

In the figure: 1-protective cover, 2-side fixing block, 3-sliding groove, 4-sliding block, 5-bayonet, 6-telescopic rod, 7-sliding rod, 8-first spring, 9-window, 10-limiting block, 11-limiting block, 12-limiting groove, 13-fixing frame, 14-connecting block, 15-connecting rod, 16-second spring, 17-through hole and 18-limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a power transformer terminal protection device includes a protection cover 1, side fixing blocks 2 are fixedly connected to two sides of an outer wall of the protection cover 1, and the power transformer terminal protection device further includes: the elastic locking mechanism is arranged in the side fixing block 2 and used for locking the telescopic mechanism; the telescopic mechanism is arranged on the protective cover 1 and used for clamping the binding post of the transformer.

In one aspect of this embodiment, please refer to fig. 2 and 4, the elastic latching mechanism includes a sliding chute 3 assembly and a spring assembly connected to the sliding chute 3 assembly, the sliding chute 3 assembly includes a sliding chute 3 disposed in a side fixing block 2, a sliding block 4 is slidably connected to the sliding chute 3, a bayonet 5 is disposed on the sliding block 4, the bayonet 5 is divided into two portions of a narrow opening and a wide opening with different widths along a vertical direction, the spring assembly includes a window 9 disposed on a side surface of the side fixing block 2, a sliding rod 7 is fixedly connected to the sliding block 4, one end of the sliding rod 7 passes through the side fixing block 2 and is fixedly connected to a stopper 10, a first spring 8 is disposed in the window 9, the first spring 8 is sleeved on the sliding rod 7, when the device needs to protect the transformer terminal, the protective cover 1 is sleeved outside the transformer terminal and the device body is pressed downward, at this time, a portion of the sliding block 4 extending out of the sliding chute 3 is pressed downward and contracted into the sliding chute 3, at this moment, the overlapping part of the bayonet 5 and the through hole 17 is changed into a wide-mouth part from a narrow-mouth part, the elastic locking mechanism loses the locking of the telescopic mechanism, the first spring 8 is compressed at the moment, the limiting block 11 realizes locking of the bayonet 5 after the device loses downward pressure, and then when the device is disassembled, the telescopic mechanism is stretched outwards, the limiting block 11 withdraws from the bayonet 5 at the moment, the limiting block 11 releases the locking of the bayonet 5, the sliding block 4 stretches out along the sliding groove 3 under the pushing of the first spring 8, and the locking of the telescopic mechanism is realized again when the device is jacked up.

In one aspect of this embodiment, please refer to fig. 1 and 2, the telescopic mechanism includes a sliding rod 7 assembly and an elastic clamping assembly connected to the sliding rod 7 assembly, the sliding rod 7 assembly includes a through hole 17 disposed on a side surface of the side fixing block 2, the through hole 17 is communicated with the bayonet 5, a diameter of the through hole 17 is the same as a width of a narrow opening of the bayonet 5, a telescopic rod 6 is slidably connected in the through hole 17, one end of the telescopic rod 6 penetrates through the shield 1 and is fixedly connected with a clamping block 12 disposed in the shield 1, a portion of the telescopic rod 6 disposed outside the side fixing block 2 is provided with a limiting block 11, a limiting groove 18 is disposed in the through hole 17, a width of the limiting groove 18 on both sides is the same as a width of a wide opening of the bayonet 5, a fixing frame 13 is fixedly connected to a side surface of the side fixing block 2, a connecting block 14 is fixedly connected to an end of the telescopic rod 6 far away from the shield 1, and a connecting rod 15 is fixedly connected to the connecting block 14, connecting rod 15 one end is passed mount 13 and is set up outside mount 13, be provided with second spring 16 in the mount 13, the cover of second spring 16 is established on connecting rod 15, the device is pushing down, and lead to elasticity latched device to remove the padlock to telescopic machanism after, telescopic link 6 stretches out in the device under the effect of second spring 16, and carry out the chucking through fixture block 12 to the terminal, later when dismantling the device, only need staff's both hands to hold connecting rod 15 of device both sides, and stimulate to both sides, connecting rod 15 drives telescopic link 6 through connecting block 14 and carries out stretching out outside the device, fixture block 12 loses the chucking to the terminal this moment.

The working principle of the utility model is as follows: when the device needs to be installed, the protective cover 1 is sleeved outside a binding post of a transformer, the main body of the device is pressed downwards, at the moment, a part of a sliding block 4 extending out of a sliding groove 3 contracts into the sliding groove 3 under extrusion, at the moment, an overlapped part of a bayonet 5 and a through hole 17 is changed into a wide part from a narrow part, an elastic locking mechanism loses locking on a telescopic mechanism, at the moment, a first spring 8 is compressed, after the device loses downward pressure, a limiting block 11 realizes locking on the bayonet 5, the sliding block 4 cannot extend continuously, then a telescopic rod 6 extends out of the device under the action of a second spring 16 and clamps the binding post through a clamping block 12 to complete installation, when the device is disassembled, a worker only needs to pull connecting rods 15 on two sides of the device with two hands and pull towards the two sides, the connecting rods 15 drive the telescopic rod 6 to extend out of the device through a connecting block 14, stopper 11 withdraws from bayonet 5 this moment, and stopper 11 relieves the padlock to bayonet 5, and slider 4 stretches out in spout 3 under the promotion of first spring 8, realizes the padlock to telescopic machanism again when jack-up the device, and the staff can take up the device wantonly this moment, accomplishes the dismantlement.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a power transformer terminal protection device, includes the protection casing, its characterized in that, protection casing outer wall both sides fixedly connected with side fixed block still includes:

2. The power transformer wiring terminal protection device according to claim 1, wherein the elastic locking mechanism comprises a sliding groove assembly and a spring assembly connected to the sliding groove assembly, the sliding groove assembly comprises a sliding groove arranged in the side fixing block, a sliding block is connected in the sliding groove in a sliding manner, a bayonet is arranged on the sliding block, and the bayonet is divided into a narrow opening and a wide opening which are different in width along a vertical direction.

3. The power transformer wiring terminal protection device according to claim 2, wherein the spring assembly comprises a window arranged on a side face of the side fixing block, a sliding rod is fixedly connected to the sliding block, one end of the sliding rod penetrates through the side fixing block and is fixedly connected with a limiting block, a first spring is arranged in the window, and the first spring is sleeved on the sliding rod.

4. The power transformer wiring terminal protection device according to claim 2, wherein the telescopic mechanism comprises a slide rod assembly and an elastic clamping assembly connected to the slide rod assembly, the slide rod assembly comprises a through hole arranged on the side face of the side fixing block, the through hole is communicated with the bayonet, the diameter of the through hole is the same as the width of the narrow opening of the bayonet, a telescopic rod is connected in the through hole in a sliding mode, one end of the telescopic rod penetrates through a clamping block fixedly connected with the protective cover and arranged in the protective cover, a limiting block is arranged on the portion, arranged outside the side fixing block, of the telescopic rod, a limiting groove is formed in the through hole, and the width of the limiting groove on two sides is the same as the width of the wide opening of the bayonet.

5. The power transformer wiring terminal protection device according to claim 4, wherein a fixing frame is fixedly connected to the side face of the side fixing block, a connecting block is fixedly connected to one end of the telescopic rod, which is far away from the protection cover, a connecting rod is fixedly connected to the connecting block, one end of the connecting rod penetrates through the fixing frame and is arranged outside the fixing frame, a second spring is arranged in the fixing frame, and the second spring is sleeved on the connecting rod.