CN216871741U

CN216871741U - Transformer piping insulating part and transformer

Info

Publication number: CN216871741U
Application number: CN202220160161.7U
Authority: CN
Inventors: 牛斌; 郭剑雄
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-01
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to a transformer tubing insulator and a transformer, the transformer tubing insulator comprises: the top cover is provided with a first clamping part; the insulating piece is arranged at the bottom of the top cover, a second clamping part in clamping fit with the first clamping part is arranged on the insulating piece, a first fixing part is formed, and a cavity for mounting the piping body is formed in the first fixing part; the fixed seat is arranged on one side of the insulating part, which is far away from the top cover, and a second fixed part which is fixedly inserted with the first fixed part is formed; the first clamping portion is a clamping groove, the second clamping portion is a clamping block, or the second clamping portion is a clamping groove, and the first clamping portion is a clamping block; the first fixing part is a lug, the second fixing part is a notch, or the second fixing part is a lug, and the first fixing part is a notch. The technical scheme of the utility model is convenient to install, reduces the weight of the whole structure and greatly improves the convenience of installation and use.

Description

Transformer piping insulating part and transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer tubing insulator and a transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core, and the transformer has the main functions of: in order to ensure the safety of the transformer, it is necessary to protect the connection lines of the transformer using pipes, such as voltage conversion, current conversion, impedance conversion, isolation, and voltage stabilization, and to ensure the safety of the use of the pipes, it is necessary to perform electrical insulation treatment on the pipes.

In the correlation technique, all be through the mode of installing the insulating part additional at the piping outer wall to the electrical insulation of piping and handle, adopt a plurality of bolts to accomplish mostly to the fixed mounting of insulating part, so, increased overall structure's weight, still make the installation comparatively complicated simultaneously, and then make the convenience greatly reduced of installation and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transformer tubing insulator which is convenient to install, reduces the weight of the whole structure, greatly improves the installation and use convenience and has better applicability.

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

a transformer tubing insulator comprising:

a top cover formed with a first clamping portion;

the insulating piece is arranged at the bottom of the top cover, is provided with a second clamping part in clamping fit with the first clamping part, is provided with a first fixing part, and is internally provided with a cavity for mounting the tubing body;

the fixed seat is arranged on one side of the insulating part, which is far away from the top cover, and a second fixed part which is fixedly inserted with the first fixed part is formed;

the first clamping portion is a clamping groove, the second clamping portion is a clamping block, or the second clamping portion is a clamping groove, and the first clamping portion is a clamping block; the first fixing part is a lug, the second fixing part is a notch, or the second fixing part is a lug, and the first fixing part is a notch.

Preferably, first joint portion is the draw-in groove, second joint portion is the fixture block, the top cap still be formed with the fluting that the draw-in groove intercommunication set up, be formed with the card on the fixture block and locate extension in the fluting.

Preferably, a sliding groove is further formed in the insulating part, the transformer tubing insulating part further comprises a sliding block arranged in the sliding groove in a sliding mode, and an elastic part fixedly connected with the sliding block, one side, far away from the sliding block, of the elastic part is abutted against the sliding groove, and the sliding block is fixedly connected with one side, far away from the clamping groove, of the clamping block.

Preferably, the transformer tubing insulating part further comprises a limiting part and a shifting part fixedly connected with the sliding block, a limiting groove is further formed in the insulating part, and the limiting part penetrates through one side, far away from the sliding block, of the shifting part and abuts against the limiting groove.

Preferably, the first clamping portions are respectively formed on two sides of the top cover, the second clamping portions are respectively arranged on two sides of the insulating part, and the first clamping portions are in clamping fit with the second clamping portions in a one-to-one correspondence manner; the first fixing parts are formed on two sides of the insulating part respectively, the second fixing parts are formed on two sides of the fixing seat respectively, and the first fixing parts are in one-to-one correspondence with the second fixing parts and are fixedly inserted into the second fixing parts.

Preferably, the transformer pipe insulating part further includes a first pipe communicated with one end of the pipe body close to the top cover, and a first insulating reinforcing member sleeved outside the first pipe and abutting against the upper surface of the top cover.

Preferably, the transformer pipe insulator further comprises a nut disposed on a side of the first insulating reinforcement away from the top cover, and the nut is screwed on an outer surface of the first pipe.

Preferably, the transformer pipe insulating part further includes a second pipe communicated with and disposed at one end of the pipe body close to the fixing seat, a second insulating reinforcing part sleeved outside the second pipe and abutted against the bottom surface of the fixing seat, and a base abutted against one side of the second insulating reinforcing part far away from the fixing seat, and the base is sleeved and fixed outside the second pipe.

Preferably, one side of the insulating part, which is close to the top cover, is provided with an air inlet communicated with the cavity, one side of the insulating part, which is close to the fixing seat, is also provided with an air outlet communicated with the cavity, and the transformer tubing insulating part further comprises a waterproof separation net which is respectively arranged in the air inlet and the air outlet.

The utility model also provides a transformer which comprises the transformer piping insulating part.

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

the transformer piping insulating part that provides among the above-mentioned technical scheme, be through setting up in the top cap of insulating part one side, and set up in the fixing base of insulating part opposite side, joint cooperation through first joint portion and second joint portion, draw-in groove and the joint setting of fixture block promptly, realize the rigid coupling of insulating part and top cap, and it is fixed to peg graft through first fixed part and second fixed part, lug and the grafting of notch are fixed promptly, realize the rigid coupling of insulating part and fixing base, need not to set up the bolt and just can realize the installation of insulating part on top cap and fixing base, make overall structure weight reduce, and because only the joint cooperation through draw-in groove and fixture block, and the grafting of lug and notch is fixed, it is comparatively convenient to install, make the installation use convenience improve greatly.

Drawings

FIG. 1 is a schematic structural diagram of a piping insulator of a transformer according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the point B shown in FIG. 1;

FIG. 3 is an enlarged view of the point A shown in FIG. 1;

fig. 4 is a schematic structural view of a part of the assembly shown in fig. 1.

Description of the symbols of the drawings:

1. a top cover; 11. a card slot; 12. grooving; 2. an insulating member; 21. a clamping block; 211. an extension portion; 22. A cavity; 23. a chute; 24. a limiting groove; 25. a bump; 3. a fixed seat; 31. a notch; 4. a piping body; 5. a slider; 6. an elastic member; 71. a limiting member; 72. a toggle piece; 81. a first conduit; 82. A first insulating stiffener; 83. a nut; 84. a second conduit; 85. a second insulating reinforcement; 86. a base; 91. an air inlet; 92. an air outlet; 93. a waterproof separation net.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 4, an embodiment of the utility model provides a transformer pipe insulating member, which at least includes:

a top cover 1 formed with a first engaging portion; the insulating part 2 is arranged at the bottom of the top cover 1, is provided with a second clamping part in clamping fit with the first clamping part, is provided with a first fixing part, and is internally provided with a cavity 22 for mounting the tubing body 4; the fixed seat 3 is arranged on one side of the insulating part 2, which is far away from the top cover 1, and is provided with a second fixed part which is fixedly inserted with the first fixed part; the first clamping portion is a clamping groove 11, the second clamping portion is a clamping block 21, or the second clamping portion is a clamping groove 11, and the first clamping portion is a clamping block 21; the first fixing portion is a bump 25, the second fixing portion is a notch 31, or the second fixing portion is a bump 25, and the first fixing portion is a notch 31.

It can be understood that the size of the clamping groove 11 is matched with that of the clamping block 21, so that clamping fit of the clamping groove 11 and the clamping block 21 can be realized, and the size of the projection 25 is matched with that of the notch 31, so that the insertion and fixation of the projection 25 and the notch 31 can be realized; set up in top cap 1 of insulating part 2 one side, and set up in the fixing base 3 of insulating part 2 opposite side, joint cooperation through first joint portion and second joint portion, draw-in groove 11 sets up with the joint of fixture block 21 promptly, realize insulating part 2 and top cap 1's rigid coupling, and it is fixed to peg graft through first fixed part and second fixed part, lug 25 is fixed with the grafting of notch 31 promptly, realize insulating part 2 and fixing base 3's rigid coupling, need not to set up the bolt and just can realize the installation of insulating part 2 on top cap 1 and fixing base 3, make overall structure weight reduce, and because only the joint cooperation through draw-in groove 11 and fixture block 21, and lug 25 and notch 31's grafting is fixed, it is comparatively convenient to install, make installation and use convenience improve greatly.

It should be noted that, the number of the first clamping portion, the second clamping portion, the first fixing portion and the second fixing portion may be set to one or more, and the specific number may be adjusted as required, wherein the number of the first clamping portion is the same as that of the second clamping portion, and the number of the first fixing portion is equal to that of the second fixing portion.

Specifically, as shown in fig. 1, in this embodiment, the first clamping portions are respectively formed on two sides of the top cover 1, the second clamping portions are respectively arranged on two sides of the insulating member 2, each of the first clamping portions is in one-to-one clamping fit with each of the second clamping portions, that is, each of the clamping grooves 11 is in one-to-one clamping fit with each of the clamping blocks 21, and the two first clamping portions and the two second clamping portions are arranged, so that the stress at the joint between the top cover 1 and the insulating member 2 on two sides is uniform, thereby improving the stability of the fixed connection between the top cover 1 and the insulating member 2; the two sides of the insulating part 2 are respectively provided with the first fixing parts, the two sides of the fixing seat 3 are respectively provided with the second fixing parts, the first fixing parts are in one-to-one correspondence with the second fixing parts for inserting and fixing, namely, the lug bosses 25 are in one-to-one correspondence with the notch openings 31, and the two first fixing parts and the two second fixing parts are arranged, so that the stress of the joints of the two sides of the fixing seat 3 and the insulating part 2 is uniform, and the stability of fixedly connecting the fixing seat 3 and the insulating part 2 is improved.

In one embodiment, as shown in fig. 1, 3, and 4, the first clamping portion is a clamping groove 11, the second clamping portion is a clamping block 21, the top cover 1 is further formed with a slot 12 communicated with the clamping groove 11, the slot 12 is disposed on a side surface of the clamping groove 11, an extending portion 211 clamped in the slot 12 is formed on the clamping block 21, the clamping block 21 and the extending portion 211 are disposed perpendicular to each other, and the extending portion 211 and the slot 12 are disposed to limit displacement of the clamping block 21 along a height direction thereof, so as to further improve stability of clamping and matching between the clamping block 21 and the clamping groove 11, thereby fixing the insulating member 2 and the top cover 1 more stably; it should be noted that, in the present embodiment, the cross-sectional dimension of the card slot 11 is larger than the cross-sectional dimension of the latch 21, so that the card slot 11 and the latch 21 can be installed when the extension portion 211 is provided.

As shown in fig. 3 to 4, a sliding groove 23 is further formed on the insulating member 2, the transformer tubing insulating member further includes a sliding block 5 slidably disposed in the sliding groove 23, and an elastic member 6 fixedly connected to the sliding block 5, one side of the elastic member 6 away from the sliding block 5 abuts against the sliding groove 23, and the sliding block 5 is fixedly connected to one side of the fixture block 21 away from the fixture groove 11; the transformer tubing insulating part further comprises a limiting part 71 and a shifting part 72 fixedly connected with the sliding block 5, a limiting groove 24 is further formed in the insulating part 2, and the limiting part 71 penetrates through one side, far away from the sliding block 5, of the shifting part 72 and is abutted to the limiting groove 24.

It can be understood that the elastic member 6 may be a spring, the limiting member 71 may be a limiting bolt, the toggle member 72 is shaped like a Chinese character 'qi', the top of the sliding groove 23 is provided with a first opening and a second opening communicated with the sliding groove, the fixture block 21 passes through the first opening and is in clamping fit with the fixture groove 11, and the toggle member 72 passes through the second opening and is connected with the limiting member 71; when the top cover 1 needs to be installed to the top of the insulating member 2, one end of the limiting member 71 can be far away from the limiting groove 24 by unscrewing the limiting member 71, and then the limiting member 72 is acted on the toggle member 72 to move rightwards, the toggle member 72 drives the slider 5 to move rightwards in the sliding groove 23, so that the slider 5 can drive the fixture block 21 to move rightwards in the fixture groove 11, at this time, the elastic member 6 is compressed, and the extension portion 211 can enter the fixture groove 11, then a user can sleeve the top cover 1 on the outer wall of the top of the piping body 4, so that the top cover 1 is arranged at the top of the insulating member 2, and when the bottom of the top cover 1 is contacted with the top of the insulating member 2, by loosening the toggle member 72, under the effect of the resilience force of the elastic member 6, the slider 5 drives the fixture block 21 to move leftwards in the fixture block 21 and drives the extension portion 211 to move leftwards, so that the extension portion 211 enters the fixture groove 12, and the insulating member 2 is fixedly connected with the top cover 1, because the stirring piece 72 penetrates through the screw hole along the thickness direction, a user can screw the screw hole through the limiting piece 71 and abut against the limiting groove 24, the stirring piece 72 is limited left and right, up and down, and the fixation between the top cover 1 and the insulating piece 2 can be further enhanced; the toggle piece 72, the sliding groove 23 and the sliding block 5 are arranged, so that the clamping block 21 can be conveniently moved, and the convenience in installation is further improved; the elastic piece 6 is arranged to provide the possibility of resetting for the slider 5 to move leftwards, so that the operation of personnel is reduced, and the working efficiency is improved.

In one embodiment, as shown in fig. 1, the transformer tubing insulator further includes a first pipe 81 disposed in communication with one end of the tubing body 4 close to the top cap 1, a first insulating reinforcement 82 disposed outside the first pipe 81 and abutting against the upper surface of the top cap 1, a nut 83 disposed on one side of the first insulating reinforcement 82 away from the top cap 1, the nut 83 being screwed onto the outer surface of the first pipe 81, a second pipe 84 disposed in communication with one end of the tubing body 4 close to the fixing base 3, a second insulating reinforcement 85 disposed outside the second pipe 84 and abutting against the bottom surface of the fixing base 3, and a base 86 abutting against one side of the second insulating reinforcement 85 away from the fixing base 3, the base 86 is fixed outside the second pipe 84.

It can be understood that, the first insulating reinforcing member 82 and the second insulating reinforcing member 85 are made of rubber materials, which can make the installation between the insulating member 2 and the top cover 1, and between the insulating member 2 and the fixing base 3 more stable; the first pipeline 81 and the second pipeline 84 are both arranged for connecting the pipe with the outside, when the insulating part 2 and the top cover 1 are installed, the first insulating reinforcing part 82 is sleeved outside the first pipeline 81, the first pipeline 81 is externally threaded, and then the nut 83 is screwed with the thread, so that the fixation of the top cover 1 and the insulating part 2 is further strengthened; when the insulating part 2 and the fixed seat 3 are installed, the bottom of the second insulating reinforcement 85 is abutted to the top of the base 86, then a user can arrange the fixed seat 3 at the bottom of the insulating part 2, the bottom of the fixed seat 3 is abutted to the top of the second insulating reinforcement 85, and then the lug 25 at the bottom of the insulating part 2 is inserted and fixed with the notch 31 at the top of the fixed seat 3, so that the insulating part 2 is fixedly connected with the fixed seat 3; in addition, the whole installation is smoothly that the insulating part 2 and the fixed seat 3 are installed firstly, and then the top cover 1 at the top of the insulating part 2, the first insulating part 2 and the like are installed.

In one embodiment, as shown in fig. 1, an air inlet 91 communicating with the cavity 22 is formed on one side of the insulating member 2 close to the top cover 1, an air outlet 92 communicating with the cavity 22 is further formed on one side of the insulating member 2 close to the fixing base 3, the transformer tubing insulating member further includes a waterproof separation net 93, and the waterproof separation net 93 is respectively installed in the air inlet 91 and the air outlet 92.

It can be understood that the number of the air inlets 91, the number of the air outlets 92 and the number of the waterproof partition nets 93 can be adjusted as required, in this embodiment, two air inlets 91 are disposed and located on two sides of the insulating member 2 respectively, two air outlets 92 are disposed and located on two sides of the insulating member 2 respectively, four waterproof partition nets 93 are disposed, and each waterproof partition net 93 is installed in each air inlet 91 or each air outlet 92, when in use, the air flow inside the cavity 22 of the insulating member 2 can be accelerated through the air inlets 91 and the air outlets 92, so that the heat dissipation effect on the outer wall of the piping body 4 can be improved, the service life of the piping body 4 can be prolonged, further, rainwater can be prevented from entering the cavity 22 through the waterproof partition net 93, and the safety in use of the piping body 4 can be better ensured.

With continuing reference to fig. 1-4, the present invention further provides a transformer, including the transformer tubing insulator, the insulator 2 is fixedly connected to the top cover 1 by the clamping of the clamping groove 11 and the clamping block 21, and the insulator 2 is fixedly connected to the fixing base 3 by the insertion and fixing of the protrusion 25 and the notch 31, and the insulator 2 is mounted on the top cover 1 and the fixing base 3 without bolts, so that the overall structure weight of the transformer is reduced, and the convenience in mounting and using the transformer is greatly improved.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.

Claims

1. A transformer tubing insulator, comprising:

a top cover (1) formed with a first clamping portion;

the insulating piece (2) is arranged at the bottom of the top cover (1), a second clamping part which is in clamping fit with the first clamping part is arranged on the insulating piece, a first fixing part is formed, and a cavity (22) for mounting the piping body (4) is formed in the insulating piece;

the fixed seat (3) is arranged on one side, away from the top cover (1), of the insulating part (2) and is provided with a second fixed part which is fixedly inserted with the first fixed part;

the first clamping portion is a clamping groove (11), the second clamping portion is a clamping block (21), or the second clamping portion is a clamping groove (11), and the first clamping portion is a clamping block (21); the first fixing part is a lug (25), the second fixing part is a notch (31), or the second fixing part is a lug (25), and the first fixing part is a notch (31).

2. The transformer tubing insulator of claim 1, wherein the first clamping portion is a clamping groove (11), the second clamping portion is a clamping block (21), the top cap (1) is further formed with a slot (12) communicated with the clamping groove (11), and the clamping block (21) is formed with an extension portion (211) clamped in the slot (12).

3. The transformer tubing insulator according to claim 2, wherein a sliding groove (23) is further formed in the insulator (2), the transformer tubing insulator further comprises a sliding block (5) slidably disposed in the sliding groove (23), and an elastic member (6) fixedly connected to the sliding block (5), wherein a side of the elastic member (6) away from the sliding block (5) abuts against the sliding groove (23), and the sliding block (5) is fixedly connected to a side of the latch block (21) away from the latch groove (11).

4. The transformer tubing insulator according to claim 3, further comprising a stopper (71) and a toggle member (72) fixedly connected to the slider (5), wherein the insulator (2) further has a limiting groove (24), and the stopper (71) penetrates through a side of the toggle member (72) away from the slider (5) and abuts against the limiting groove (24).

5. The insulating piece of transformer piping according to claim 1, wherein the first clamping portions are respectively formed on both sides of the top cover (1), the second clamping portions are respectively formed on both sides of the insulating piece (2), and each first clamping portion is in one-to-one correspondence to be in clamping fit with each second clamping portion; the first fixing parts are formed on two sides of the insulating part (2) respectively, the second fixing parts are formed on two sides of the fixing seat (3) respectively, and the first fixing parts are in one-to-one correspondence with the second fixing parts and are fixedly inserted into the second fixing parts.

6. The piping insulator of the transformer according to claim 1, further comprising a first pipe (81) communicating with an end of the piping body (4) near the top cover (1), and a first insulating reinforcement (82) covering the first pipe (81) and abutting against an upper surface of the top cover (1).

7. The transformer pipe insulator according to claim 6, further comprising a nut (83) provided on a side of the first insulating reinforcement (82) remote from the top cover (1), wherein the nut (83) is screwed to an outer surface of the first pipe (81).

8. The pipe insulator of the transformer according to claim 1, further comprising a second pipe (84) disposed at an end of the pipe body (4) close to the fixing seat (3), a second insulating reinforcement (85) disposed outside the second pipe (84) and abutting against a bottom surface of the fixing seat (3), and a base (86) abutting against a side of the second insulating reinforcement (85) away from the fixing seat (3), wherein the base (86) is disposed outside the second pipe (84) in a sleeved manner.

9. The transformer piping insulator of claim 1, wherein an air inlet (91) communicating with the cavity (22) is formed at a side of the insulator (2) close to the top cover (1), an air outlet (92) communicating with the cavity (22) is further formed at a side of the insulator (2) close to the fixing base (3), and the transformer piping insulator further comprises a waterproof screen (93), wherein the waterproof screen (93) is respectively installed in the air inlet (91) and the air outlet (92).

10. A transformer comprising the transformer piping insulator of any one of claims 1 to 9.