CN117238640B - Transformer insulating sleeve - Google Patents
Transformer insulating sleeve Download PDFInfo
- Publication number
- CN117238640B CN117238640B CN202311507746.7A CN202311507746A CN117238640B CN 117238640 B CN117238640 B CN 117238640B CN 202311507746 A CN202311507746 A CN 202311507746A CN 117238640 B CN117238640 B CN 117238640B
- Authority
- CN
- China
- Prior art keywords
- groove
- clamping
- straight
- section
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a transformer insulating sleeve, which relates to the technical field of power equipment and comprises a sleeve and a connecting assembly, wherein one end of the sleeve is used for extending into a transformer, and the other end of the sleeve is electrically connected with an external cable; the connecting component comprises a fixed end and an access end. According to the device, the connecting assembly is arranged, when the transformer insulating sleeve is connected with an external cable, the connecting locking can be completed only by inserting the access end arranged at the end part of the cable into the fixed end downwards, so that the transformer insulating sleeve is more convenient to connect with the external cable. By using the connecting mechanism, a user can easily detach the connection between the insulating sleeve of the transformer and the external cable without welding or using a threaded connector, so that the time and labor cost are saved, the internal channels of the access end and the fixed end can clamp the electric connection conductors of the transformer and the external cable, the signal loss and the resistance are effectively reduced, and the electric performance of the transformer is improved.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a transformer insulation sleeve.
Background
Transformer bushings are commonly used to protect wires inside a transformer to provide electrical insulation and to protect the wires from the external environment. Conventional connection methods are usually to fixedly connect the transformer winding sleeve directly to the external cable, and may have problems during installation and maintenance.
First, conventional connection methods typically require welding or the use of threaded connectors during the connection process, which may require specialized skills and tools, adding to the complexity and time costs of installation. Furthermore, once the connection is completed, it is difficult to disassemble the connection, which makes it difficult to maintain and replace the transformer bushing or the external cable; second, conventional connection methods may cause instability of connection and signal loss. Welding or threaded connectors may risk poor or loose contact, which may lead to loss of electrical signals, increased electrical resistance, and the generation of interference. This may have a negative impact on the performance and reliability of the transformer.
Disclosure of Invention
The present invention has been made in view of the above-described problems occurring in the conventional transformer bushing.
Therefore, the invention aims to solve the problems of difficult disassembly and unstable connection in the traditional connection mode of the transformer insulating sleeve and the external cable.
In order to solve the technical problems, the invention provides the following technical scheme: the transformer insulating sleeve comprises a sleeve, wherein one end of the sleeve is used for extending into a transformer, and the other end of the sleeve is electrically connected with an external cable; the connecting assembly comprises a fixed end and an access end, wherein the fixed end is arranged at one end of the sleeve away from the transformer, and the access end is sleeved at one end of the external cable close to the sleeve.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the fixed end comprises a shell, a clamping piece, a driving piece, a swivel and an operating ring, wherein one end of the shell is connected with the sleeve, the clamping piece is arranged in the shell, the driving piece is arranged below the clamping piece, the swivel is arranged below the driving piece, and the operating ring is arranged outside the shell.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the shell is provided with a first channel, a second channel, a clamping groove, a rotary groove, an annular groove, a through hole, a first side groove, a second side groove and a ring plate, wherein the first channel is arranged in the middle of the shell, the second channel is communicated with the first channel, the clamping groove is symmetrically arranged on the side wall of the first channel, the rotary groove is arranged below the clamping groove, the annular groove is arranged below the rotary groove, the through hole is arranged on the lower end face of the through hole, the through hole is communicated with the clamping groove, the rotary groove and the annular groove, the first side groove is arranged on the side face of the shell, the first side groove is communicated with the rotary groove, the second side groove is arranged below the first side groove, the second side groove is communicated with the annular groove, and the ring plate is arranged at the lower end of the shell.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the through hole is divided into a first straight hole, a second straight hole and a third straight hole, the first straight hole and the third straight hole are parallel to the direction of the clamping groove, and the second straight hole is perpendicular to the first straight hole and the direction of the third straight hole.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the clamping piece comprises a clamping block and a clamping plate, the clamping block is in sliding fit with the clamping groove, and the clamping plate is arranged below the clamping block; the clamping block is provided with an inclined plane, a plate groove and a first sliding groove, the inclined plane is arranged at the upper end and the lower end of one side, far away from the clamping groove, of the clamping block, the plate groove is arranged at the lower end of the clamping block, and the first sliding groove is arranged at the upper end of the plate groove; the cardboard set up in the board groove, the cardboard is provided with short groove, first spring set up in the cardboard with between the draw-in groove terminal surface, the short groove runs through the cardboard.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the driving piece comprises a connecting rod and a rotary table, the connecting rod penetrates through the through hole, the first sliding groove and the short groove, and the rotary table is rotatably arranged in the rotary groove; the rotary table is provided with a second chute and a third chute, the second chute penetrates through end faces of two sides of the rotary table, the second chute is in sliding fit with the connecting rod, and the third chute is arranged on the side face of the rotary table.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the second sliding groove comprises a second inclined section, a second straight section and a second long section, the second inclined section is communicated with the second straight section and the second long section, and the second long section is matched with the third straight hole; the third sliding groove comprises a third spiral section and a third straight groove, and the third spiral section is connected with the third straight groove end to end.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the rotary ring is rotatably arranged in the annular groove, the rotary ring is provided with a fourth chute and a fifth chute, the fourth chute penetrates through the rotary ring, the fourth chute is in sliding fit with the connecting rod, and the fifth chute is arranged on the side face of the rotary ring; the fourth sliding groove comprises a fourth straight section, a fourth inclined section and a fourth long section, the fourth straight section is matched with the second straight hole, the fourth straight section is communicated with the fourth long section and the fourth inclined section, and the fourth long section is matched with the third straight hole; the fifth sliding groove comprises a fifth straight groove and a fifth spiral section, and the fifth straight groove is connected with the fifth spiral section end to end.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the operation ring is provided with a slide bar, a connecting rod and a second spring, the slide bar and the connecting rod are both arranged on the inner wall of the operation ring, the slide bar penetrates through the first side groove and is in sliding fit with the third sliding groove, the connecting rod penetrates through the second side groove and is in sliding fit with the fifth sliding groove, and the second spring is arranged between the operation ring and the end face of the ring plate.
As a preferable embodiment of the transformer bushing according to the invention, wherein: the access terminal comprises a connecting pipe, a cover body and a clamping ring, wherein the connecting pipe is sleeved on the external cable, the cover body is arranged on the connecting pipe, and the clamping ring is arranged at one end, close to the transformer, of the connecting pipe.
The invention has the beneficial effects that: according to the invention, the connecting assembly is arranged, so that when the transformer insulating sleeve is connected with an external cable, the connecting locking can be completed only by inserting the access end arranged at the end part of the cable into the fixed end downwards, and the connection of the transformer insulating sleeve and the external cable is more convenient. By using the connecting mechanism, a user can easily detach the connection between the insulating sleeve of the transformer and the external cable without welding or using a threaded connector, so that the time and labor cost are saved, the internal channels of the access end and the fixed end can clamp the electric connection conductors of the transformer and the external cable, the signal loss and the resistance are effectively reduced, and the electric performance of the transformer is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a view of a transformer bushing.
Fig. 2 is an exploded view of the fixed end of the transformer bushing.
Fig. 3 is a block diagram of a transformer bushing.
Fig. 4 is a diagram of a turntable of a transformer bushing.
Fig. 5 is a view showing a structure of an access terminal of the transformer bushing.
Fig. 6 is a cross-sectional view of a connection assembly of a transformer bushing.
Fig. 7 is a schematic diagram of the positions of the connecting rod, the sliding rod and the connecting rod in the initial state of the insulating sleeve of the transformer.
Fig. 8 is a schematic diagram of the positions of the connecting rod, the sliding rod and the connecting rod when the transformer insulating sleeve is connected.
Fig. 9 is a schematic diagram of the positions of the connecting rod, the sliding rod and the connecting rod when the insulating sleeve of the transformer is disconnected.
Fig. 10 is a schematic diagram of the positions of the connecting rod, the sliding rod, the connecting rod and the clamping plate when the insulating sleeve of the transformer is disconnected.
In the figure: 100. a sleeve; 101. an external cable; 200. a connection assembly; 201. a fixed end; 202. an access terminal; 203. a housing; 204. a clamping piece; 205. a driving member; 206. a swivel; 207. an operating ring; 203a, a first channel; 203b, a second channel; 203c, a clamping groove; 203d, a rotating groove; 203e, ring grooves; 203f, through holes; 203g, a first side groove; 203h, a second side groove; 203m, a ring plate; 203k, a first straight hole; 203j, a second straight hole; 203s, a third straight hole; 204a, a clamping block; 204b, a clamping plate; 204c, inclined plane; 204d, plate grooves; 204e, a first chute; 204g, short grooves; 204f, a first spring; 205a, a connecting rod; 205b, a turntable; 205c, a second chute; 205d, a third chute; 205e, a second oblique section; 205f, a second straight section; 205k, a second long segment; 205g, a third helical segment; 205h, a third straight groove; 206b, a fourth chute; 206a, a fifth chute; 206c, a fourth straight section; 206d, a fourth sloped segment; 206e, fourth long section; 206g, a fifth straight groove; 206f, fifth helical segment; 207a, slide bar; 207b, a connecting rod; 207c, a second spring; 202a, take over; 202b, a cover body; 202c, snap ring.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a transformer bushing including a bushing 100 and a connection assembly 200 is provided for a first embodiment of the present invention.
Specifically, one end of the sleeve 100 is used for extending into the transformer, and the other end is electrically connected with the external cable 101; the sleeve 100 wraps the internal circuit of the transformer, an outlet fitting is arranged at one end, far away from the transformer, of the sleeve 100 and is used for electrically connecting the internal circuit of the transformer with the external cable 101, and insulating filler is filled in the sleeve 100, which is not described in detail herein for the prior art;
the connecting assembly 200 comprises a fixed end 201 and an access end 202, wherein the fixed end 201 is arranged at one end of the sleeve 100 far away from the transformer, and the access end 202 is sleeved at one end of the external cable 101 close to the sleeve 100; the fixed end 201 is detachably connected with the access end 202; the access terminal 202 is fixedly connected to the external cable 101, and the two are not moved relative to each other.
When the external cable 101 insulating sleeve is needed to be connected in use, the connection locking can be completed only by inserting the access end 202 preset at the end part of the external cable 101 into the fixed end 201, and after the connection is completed, the electric connection between the internal circuit of the transformer and the external cable 101 is completed, and when the external cable 101 is needed to be disconnected, the disconnection can be completed only by operating the parts on the fixed end 201 without intervention of external tools.
Example 2
Referring to fig. 1 to 7, a second embodiment of the present invention is based on the previous embodiment.
Specifically, the fixed end 201 includes a housing 203, a clamping member 204, a driving member 205, a swivel 206, and an operating ring 207, one end of the housing 203 is connected with the sleeve 100, the clamping member 204 is disposed in the housing 203, the driving member 205 is disposed below the clamping member 204, the swivel 206 is disposed below the driving member 205, and the operating ring 207 is disposed outside the housing 203;
the shell 203 bears each part of the fixed end 201, the clamping piece 204 is used for being clamped with the access end 202, the driving piece 205 and the swivel 206 can be used for removing the restriction of the clamping piece 204 and disassembling the access end 202, and the operating ring 207 is used for driving the driving piece 205 and the swivel 206.
Specifically, the housing 203 is provided with a first channel 203a, a second channel 203b, a clamping groove 203c, a rotating groove 203d, a ring groove 203e, a through hole 203f, a first side groove 203g, a second side groove 203h, and a ring plate 203m, wherein the first channel 203a is arranged in the middle of the housing 203, the second channel 203b is communicated with the first channel 203a, the clamping groove 203c is symmetrically arranged on the side wall of the first channel 203a, the rotating groove 203d is arranged below the clamping groove 203c, the ring groove 203e is arranged below the rotating groove 203d, the through hole 203f is arranged on the lower end surface of the clamping groove 203c, the through hole 203f is communicated with the clamping groove 203c, the rotating groove 203d, the ring groove 203e, the first side groove 203g is arranged on the side surface of the housing 203, the first side groove 203g is communicated with the rotating groove 203d, the second side groove 203h is arranged below the first side groove 203g, the second side groove 203h is communicated with the ring groove 203e, and the ring plate 203m is arranged at the lower end of the housing 203;
the first channel 203a and the second channel 203b are convenient for the wire outlet fitting on the sleeve to contact with the external cable 101 to realize electrical connection, and it should be noted that the inner diameter of the first channel 203a is larger than that of the second channel 203b, and the first side groove 203g and the second side groove 203h are parallel to the axial direction of the housing 203.
Specifically, the through hole 203f is divided into a first straight hole 203k, a second straight hole 203j, and a third straight hole 203s, where the first straight hole 203k and the third straight hole 203s are disposed parallel to the direction of the clamping groove 203c, and the second straight hole 203j is disposed perpendicular to the directions of the first straight hole 203k and the third straight hole 203 s.
Specifically, the clamping piece 204 includes a clamping block 204a and a clamping plate 204b, the clamping block 204a is slidably matched with the clamping groove 203c, and the clamping plate 204b is disposed below the clamping block 204 a; the clamping block 204a is provided with an inclined surface 204c, a plate groove 204d and a first sliding groove 204e, wherein the inclined surface 204c is arranged at the upper end and the lower end of one side of the clamping block 204a away from the clamping groove 203c, the plate groove 204d is arranged at the lower end of the clamping block 204a, and the first sliding groove 204e is arranged at the upper end of the plate groove 204 d; the clamping plate 204b is arranged in the plate groove 204d, the clamping plate 204b is provided with a short groove 204g and a first spring 204f, the first spring 204f is arranged between the clamping plate 204b and the end face of the clamping groove 203c, and the short groove 204g penetrates through the clamping plate 204b;
the inclined surface 204c facilitates the connection and disconnection of the connection end 202, in an initial state, the first spring 204f is in an original length, one end of the clamping plate 204b extends out of the inclined surface 204c at the lower end of the clamping block 204a, at this time, the clamping plate 204b can shield the inclined surface 204c at the lower end of the clamping block 204a, so that the connection end 202 cannot be disconnected, it is worth noting that the shape of the first chute 204e combined with the first straight hole 203k and the second straight hole 203j in the through hole 203f is the same, in an initial state, the short chute 204g is overlapped with the second straight hole 203j, and the first chute 204e is overlapped with the first straight hole 203k and the second straight hole 203j in the through hole 203 f.
Specifically, the driving member 205 includes a connecting rod 205a, a turntable 205b, where the connecting rod 205a penetrates through the through hole 203f, the first chute 204e, and the short slot 204g, and the turntable 205b is rotatably disposed in the rotation slot 203 d; the turntable 205b is provided with a second chute 205c and a third chute 205d, the second chute 205c penetrates through the end surfaces of the two sides of the turntable 205b, the second chute 205c is in sliding fit with the connecting rod 205a, and the third chute 205d is arranged on the side surface of the turntable 205 b;
in the initial state, the connecting rod 205a is located at the connection position between the second straight hole 203j and the third straight hole 203s in the through hole 203f, that is, the short groove 204g is near one end of the third straight hole 203s, that is, one lower end of the first chute 204e overlapping with the second straight hole 203j (see fig. 7), in this state, when the clamping block 204a is pushed to move towards the inside of the clamping groove 203c, the connecting rod 205a is driven by one side of the first chute 204e overlapping with the second straight hole 203j to move along the direction of the third straight hole 203s, and meanwhile, because the connecting rod 205a is still located in the short groove 204g and the third straight hole 203s, the connecting rod 205a also drives the clamping plate 204b to move synchronously (see fig. 8).
Specifically, the second chute 205c includes a second inclined section 205e, a second straight section 205f, and a second long section 205k, where the second inclined section 205e is communicated with the second straight section 205f and the second long section 205k, and the second long section 205k is matched with the third straight hole 203 s; the third sliding groove 205d comprises a third spiral section 205g and a third straight groove 205h, and the third spiral section 205g is connected with the third straight groove 205h end to end;
in the initial state, the second long section 205k coincides with the third straight hole 203s, that is, in the initial state, the connecting rod 205a is located at the junction between the second long section 205k and the second inclined section 205e (see fig. 7), and when the clamping block 204a moves towards the inside of the clamping groove 203c, the connecting rod 205a also moves along the second long section 205k (see fig. 8), it should be noted that the arrangement of the second inclined section 205e should be: in the initial state, when the rotary table 205b rotates, the cooperation between the second inclined section 205e and the second straight hole 203j can drive the connecting rod 205a to move from the end of the second straight hole 203j near the third straight hole 203s to the end near the first straight hole 203k, and when the rotary table 205b rotates until the connecting rod 205a is located at the end of the second inclined section 205e near the second straight section 205f, the connecting rod 205a is still located at the end of the second straight hole 203j near the first straight hole 203k, i.e. the portion of the first chute 204e overlapping the first straight hole 203k, and the second straight section 205f overlaps the first straight hole 203k (see fig. 9), in this state, if the connecting rod 205a moves away from the axis direction of the housing 203, the clamping plate 204b is driven to move into the clamping groove 203c by the short groove 204g, and in addition, the connecting rod 205a also moves along the portion of the first chute 204e overlapping the first straight hole 203k and the second straight section 205f, so that the movement of the connecting rod 205a does not drive the clamping plate 204a (see fig. 10).
Specifically, the swivel 206 is rotatably disposed in the ring groove 203e, the swivel 206 is provided with a fourth chute 206b and a fifth chute 206a, the fourth chute 206b penetrates the swivel 206, the fourth chute 206b is slidably matched with the connecting rod 205a, and the fifth chute 206a is disposed on the side surface of the swivel 206; the fourth chute 206b comprises a fourth straight section 206c, a fourth inclined section 206d and a fourth long section 206e, the fourth straight section 206c is matched with the second straight hole 203j, the fourth straight section 206c is communicated with the fourth long section 206e and the fourth inclined section 206d, and the fourth long section 206e is matched with the third straight hole 203 s; the fifth runner 206a includes a fifth straight slot 206g and a fifth helical segment 206f, the fifth straight slot 206g being connected end-to-end with the fifth helical segment 206 f;
in the initial state, the fourth long section 206e coincides with the third straight hole 203s, the fourth straight section 206c coincides with the short groove 204g and the second straight hole 203j, the connecting rod 205a is located at one end of the fourth long section 206e near the fourth straight section 206c (see fig. 7), the clamping block 204a is pushed at this time, the connecting rod 205a moves along the direction of the fourth long section 206e (see fig. 8), when the rotating disc 205b rotates to locate the connecting rod 205a at one end of the second straight hole 203j near the first straight hole 203k, the connecting rod 205a is located at one end of the fourth straight section 206c near the fourth inclined section 206d, and at this time, the rotating ring 206 rotates to drive the connecting rod 205a to move toward the first straight hole 203k away from the axis direction of the housing 203 (see fig. 9 and 10) under the cooperation of the fourth inclined section 206d and the first straight hole 203k and the second straight section 205 f.
Specifically, the operation ring 207 is provided with a sliding rod 207a, a connecting rod 207b and a second spring 207c, the sliding rod 207a and the connecting rod 207b are both arranged on the inner wall of the operation ring 207, the sliding rod 207a penetrates through the first side groove 203g to be in sliding fit with the third sliding groove 205d, the connecting rod 207b penetrates through the second side groove 203h to be in sliding fit with the fifth sliding groove 206a, and the second spring 207c is arranged between the operation ring 207 and the end face of the ring plate 203 m;
in the initial state, the sliding rod 207a is located at the upper end of the third spiral segment 205g, the connecting rod 207b is located at the upper end of the fifth straight segment 206g (see fig. 7), when the operating ring 207 is pushed to move downwards, the sliding rod 207a is matched with the first side groove 203g and the third spiral segment 205g to drive the rotary table 205b to rotate, at the moment, the connecting rod 207b is matched with the fifth straight groove 206g, the rotary table 206 is not deflected, when the sliding rod 207a slides to the upper end of the third straight groove 205h, the connecting rod 205a is located at one end of the second straight hole 203j near the first straight hole 203k, the connecting rod 205e is located at one end of the rotary table near the second straight segment 205f, the rotating table 206c is located at one end of the fourth straight segment 206c near the fourth straight segment 206d (see fig. 9), at the moment, the sliding rod 207a is matched with the third straight groove 205h, the connecting rod 207b is not rotated, the connecting rod 207b is matched with the second side groove 203h and the fifth spiral segment 206f to drive the rotary table 206b to rotate, so that the connecting rod 205a moves along the first straight hole 203k to drive the clamping block 204a to move towards the lower end 204c through the first straight hole 203k, and the clamping block 204c is exposed out of the first clamping block 204c (see fig. 10 c).
Specifically, the access end 202 includes a connection pipe 202a, a cover body 202b, and a snap ring 202c, the connection pipe 202a is sleeved on the external cable 101, the cover body 202b is disposed on the connection pipe 202a, and the snap ring 202c is disposed at one end of the connection pipe 202a close to the transformer;
the outer diameter of the clamping ring 202c is equal to the inner diameter of the first channel 203a, when the connecting end 202 is connected with the fixed end 201, the cover 202b is sleeved on the end surface of the housing 203, so that the tightness of the connecting assembly 200 is ensured, when the clamping ring 202c stretches into the first channel 203a, the inclined surface 204c is extruded to extrude the clamping block 204a into the clamping groove 203c, at the moment, the connecting rod 205a is positioned at one end of the first chute 204e, which coincides with the second straight hole 203j, so that the clamping block 204a drives the connecting rod 205a to move through the short groove 204g, and then drives the clamping plate 204b to synchronously extrude into the clamping groove 203c with the clamping block 204a through the short groove 204g, when the end surface of the clamping ring 202c contacts with the end surface of the first channel 203a, the clamping ring 202c is separated from the clamping block 204a, at the moment, under the action of the first spring 204f, the clamping block 204a and the clamping plate 204b are protruded out of the clamping groove 203c again and are attached to the upper end of the clamping ring 202c, so that the connection between the access end 202 and the fixed end 201 is completed, in the process, the connecting rod 205a moves in the second long section 205k on the turntable 205b and the fourth long section 206e on the swivel 206, so that motion interference cannot occur (see fig. 7 and 8), if the access end 202 needs to be disconnected, the clamping plate 204b can be retracted into the clamping groove 203c only by pulling the operating ring 207 downwards, the inclined surface 204c at the lower end of the clamping block 204a is exposed into the first channel 203a, and at the moment, the inclined surface 204c at the lower end of the clamping block 204a can be pushed by pulling the connecting pipe 202a upwards, and the clamping block 204a is extruded into the clamping groove 203c, so that the disconnection is completed.
In use, the connection is completed by simply inserting the adapter 202a into the bottom of the first channel 203 a. And the wrapped external cable 101 and the internal lead of the transformer can be tightly contacted, and the electrical connection is completed, if the two are required to be separated, the operation ring 207 is only required to be pulled downwards, and then the connecting pipe 202a is directly pulled out.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a transformer insulating boot which characterized in that: comprising the steps of (a) a step of,
one end of the sleeve (100) is used for extending into the transformer, and the other end of the sleeve is electrically connected with the external cable (101);
the connecting assembly (200) comprises a fixed end (201) and an access end (202), wherein the fixed end (201) is arranged at one end, far away from the transformer, of the sleeve (100), and the access end (202) is sleeved at one end, close to the sleeve (100), of the external cable (101);
the fixed end (201) comprises a shell (203), a clamping piece (204), a driving piece (205), a swivel (206) and an operation ring (207), wherein one end of the shell (203) is connected with the sleeve (100), the clamping piece (204) is arranged in the shell (203), the driving piece (205) is arranged below the clamping piece (204), the swivel (206) is arranged below the driving piece (205), and the operation ring (207) is arranged outside the shell (203);
the shell (203) is provided with a first channel (203 a), a second channel (203 b), a clamping groove (203 c), a rotating groove (203 d), a ring groove (203 e), a through hole (203 f), a first side groove (203 g), a second side groove (203 h) and a ring plate (203 m), wherein the first channel (203 a) is arranged in the middle of the shell (203), the second channel (203 b) is communicated with the first channel (203 a), the clamping groove (203 c) is symmetrically arranged on the side wall of the first channel (203 a), the rotating groove (203 d) is arranged below the clamping groove (203 c), the ring groove (203 e) is arranged below the rotating groove (203 d), the through hole (203 f) is arranged on the lower end surface of the clamping groove (203 c), the through hole (203 f) is communicated with the clamping groove (203 c), the rotating groove (203 d) and the ring groove (203 e), the first side groove (203 g) is arranged on the side wall of the shell (203 a), the rotating groove (203 d) is communicated with the second side groove (203 h), and the ring plate (203 e) is arranged below the second side groove (203 h);
the through hole (203 f) is divided into a first straight hole (203 k), a second straight hole (203 j) and a third straight hole (203 s), the first straight hole (203 k) and the third straight hole (203 s) are arranged in parallel to the direction of the clamping groove (203 c), and the second straight hole (203 j) is perpendicular to the first straight hole (203 k) and the third straight hole (203 s);
the clamping piece (204) comprises a clamping block (204 a) and a clamping plate (204 b), the clamping block (204 a) is in sliding fit with the clamping groove (203 c), and the clamping plate (204 b) is arranged below the clamping block (204 a);
the clamping block (204 a) is provided with an inclined surface (204 c), a plate groove (204 d) and a first sliding groove (204 e), the inclined surface (204 c) is arranged at the upper end and the lower end of one side, far away from the clamping groove (203 c), of the clamping block (204 a), the plate groove (204 d) is arranged at the lower end of the clamping block (204 a), and the first sliding groove (204 e) is arranged at the upper end of the plate groove (204 d);
the clamping plate (204 b) is arranged in the plate groove (204 d), the clamping plate (204 b) is provided with a short groove (204 g) and a first spring (204 f), the first spring (204 f) is arranged between the clamping plate (204 b) and the end face of the clamping groove (203 c), and the short groove (204 g) penetrates through the clamping plate (204 b).
2. The transformer bushing of claim 1, wherein: the driving piece (205) comprises a connecting rod (205 a) and a rotary table (205 b), the connecting rod (205 a) penetrates through the through hole (203 f), the first sliding groove (204 e) and the short groove (204 g), and the rotary table (205 b) is rotatably arranged in the rotary groove (203 d);
the rotary table (205 b) is provided with a second chute (205 c) and a third chute (205 d), the second chute (205 c) penetrates through two side end faces of the rotary table (205 b), the second chute (205 c) is in sliding fit with the connecting rod (205 a), and the third chute (205 d) is arranged on the side face of the rotary table (205 b).
3. The transformer bushing of claim 2, wherein: the second sliding groove (205 c) comprises a second inclined section (205 e), a second straight section (205 f) and a second long section (205 k), the second inclined section (205 e) is communicated with the second straight section (205 f) and the second long section (205 k), and the second long section (205 k) is matched with the third straight hole (203 s);
the third sliding groove (205 d) comprises a third spiral section (205 g) and a third straight groove (205 h), and the third spiral section (205 g) is connected with the third straight groove (205 h) end to end.
4. A transformer bushing according to claim 3, wherein: the swivel (206) is rotatably arranged in the ring groove (203 e), the swivel (206) is provided with a fourth sliding groove (206 b) and a fifth sliding groove (206 a), the fourth sliding groove (206 b) penetrates through the swivel (206), the fourth sliding groove (206 b) is in sliding fit with the connecting rod (205 a), and the fifth sliding groove (206 a) is arranged on the side surface of the swivel (206);
the fourth sliding groove (206 b) comprises a fourth straight section (206 c), a fourth inclined section (206 d) and a fourth long section (206 e), the fourth straight section (206 c) is matched with the second straight hole (203 j), the fourth straight section (206 c) is communicated with the fourth long section (206 e) and the fourth inclined section (206 d), and the fourth long section (206 e) is matched with the third straight hole (203 s);
the fifth sliding groove (206 a) comprises a fifth straight groove (206 g) and a fifth spiral section (206 f), and the fifth straight groove (206 g) is connected with the fifth spiral section (206 f) end to end.
5. The transformer bushing of claim 4, wherein: the operation ring (207) is provided with a sliding rod (207 a), a connecting rod (207 b) and a second spring (207 c), the sliding rod (207 a) and the connecting rod (207 b) are both arranged on the inner wall of the operation ring (207), the sliding rod (207 a) penetrates through the first side groove (203 g) and is in sliding fit with the third sliding groove (205 d), the connecting rod (207 b) penetrates through the second side groove (203 h) and is in sliding fit with the fifth sliding groove (206 a), and the second spring (207 c) is arranged between the end faces of the operation ring (207) and the ring plate (203 m).
6. The transformer bushing of claim 5, wherein: the access end (202) comprises a connecting pipe (202 a), a cover body (202 b) and a clamping ring (202 c), wherein the connecting pipe (202 a) is sleeved on the external cable (101), the cover body (202 b) is arranged on the connecting pipe (202 a), and the clamping ring (202 c) is arranged at one end, close to the transformer, of the connecting pipe (202 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311507746.7A CN117238640B (en) | 2023-11-14 | 2023-11-14 | Transformer insulating sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311507746.7A CN117238640B (en) | 2023-11-14 | 2023-11-14 | Transformer insulating sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117238640A CN117238640A (en) | 2023-12-15 |
| CN117238640B true CN117238640B (en) | 2024-03-19 |
Family
ID=89096950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311507746.7A Active CN117238640B (en) | 2023-11-14 | 2023-11-14 | Transformer insulating sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117238640B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708019U (en) * | 2010-04-06 | 2011-01-12 | 中电电气(江苏)股份有限公司 | 10kV wind power variable high voltage outlet structure |
| CN104299762A (en) * | 2014-10-28 | 2015-01-21 | 江苏凯地软件技术有限公司 | Sealing structure of transformer lead, transformer and sealing process |
| CN211628878U (en) * | 2020-04-23 | 2020-10-02 | 江苏天瑞变压器有限公司 | Transformer bushing |
| CN212587313U (en) * | 2020-08-18 | 2021-02-23 | 中山市古互科技有限公司 | Universal voltage transformer convenient to disassemble |
| CN215644053U (en) * | 2021-07-30 | 2022-01-25 | 广东能建电力设备厂有限公司 | Transformer insulation support and dismounting device thereof |
| CN114093655A (en) * | 2021-10-27 | 2022-02-25 | 浙江田中精机股份有限公司 | Self-locking positioning winding jig for annular framework |
| CN216250349U (en) * | 2021-12-03 | 2022-04-08 | 东莞市硕星电子有限公司 | Installing support for inductance tube convenient to accomodate |
| CN218070867U (en) * | 2021-08-10 | 2022-12-16 | 福建适宾电缆有限公司 | Cable with cable protection device |
| CN218525438U (en) * | 2022-06-22 | 2023-02-24 | 沈阳珑天变压器设备有限公司 | Transformer bushing |
| CN116632735A (en) * | 2023-07-21 | 2023-08-22 | 伊斯特密封科技（江苏）有限公司 | Modularized cable conduit penetrating sealing assembly and penetrating sealing device |
-
2023
- 2023-11-14 CN CN202311507746.7A patent/CN117238640B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708019U (en) * | 2010-04-06 | 2011-01-12 | 中电电气(江苏)股份有限公司 | 10kV wind power variable high voltage outlet structure |
| CN104299762A (en) * | 2014-10-28 | 2015-01-21 | 江苏凯地软件技术有限公司 | Sealing structure of transformer lead, transformer and sealing process |
| CN211628878U (en) * | 2020-04-23 | 2020-10-02 | 江苏天瑞变压器有限公司 | Transformer bushing |
| CN212587313U (en) * | 2020-08-18 | 2021-02-23 | 中山市古互科技有限公司 | Universal voltage transformer convenient to disassemble |
| CN215644053U (en) * | 2021-07-30 | 2022-01-25 | 广东能建电力设备厂有限公司 | Transformer insulation support and dismounting device thereof |
| CN218070867U (en) * | 2021-08-10 | 2022-12-16 | 福建适宾电缆有限公司 | Cable with cable protection device |
| CN114093655A (en) * | 2021-10-27 | 2022-02-25 | 浙江田中精机股份有限公司 | Self-locking positioning winding jig for annular framework |
| CN216250349U (en) * | 2021-12-03 | 2022-04-08 | 东莞市硕星电子有限公司 | Installing support for inductance tube convenient to accomodate |
| CN218525438U (en) * | 2022-06-22 | 2023-02-24 | 沈阳珑天变压器设备有限公司 | Transformer bushing |
| CN116632735A (en) * | 2023-07-21 | 2023-08-22 | 伊斯特密封科技（江苏）有限公司 | Modularized cable conduit penetrating sealing assembly and penetrating sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117238640A (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110445086B (en) | Sealing device for cable intermediate joint | |
| CA2390528A1 (en) | Pothead with pressure energized lip seals | |
| CN116435832B (en) | Power cable connector with automatic locking function and connection method thereof | |
| CN113937672B (en) | Automatic wire stripping device for overhead cable | |
| CN117238640B (en) | Transformer insulating sleeve | |
| CN210867153U (en) | Sealing device for cable intermediate joint | |
| CN113794165B (en) | Hand-held overhead cable insulating layer stripper | |
| CN111416228B (en) | Coupler for fast disconnecting cable | |
| CN113140934A (en) | Wire connector device with good sealing and capable of protecting circuit | |
| CN116598835A (en) | Quick connector device of underwater cable | |
| CN116404474A (en) | Electric power fitting for electric power circuit | |
| CN216355722U (en) | Electric power wire stripping device | |
| CN212162298U (en) | Coaxial cable assembly assembling centering clamp | |
| CN114552317A (en) | Split adapter | |
| CN218386475U (en) | Cable wiring end insulating layer cutting processing apparatus | |
| CN220986465U (en) | Electric power structure of plugging into | |
| CN219610332U (en) | Low-voltage molded case circuit breaker | |
| CN203895673U (en) | Wire rapid joint | |
| CN219510368U (en) | Water pipe connector convenient to disassemble and assemble | |
| CN220821960U (en) | Quick plug connector for copper-aluminum flexible wires | |
| CN117353054A (en) | Multi-size compatible quick-insertion insulating cap for low-voltage bare wire head | |
| CN220066275U (en) | Safe and stable microwave assembly | |
| CN215600671U (en) | Main circuit power transmission cable for new energy automobile | |
| CN212462215U (en) | Multilayer stable connecting device for cable joint | |
| CN219695408U (en) | Partial discharge monitoring device for intermediate joint of distribution cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |