CN216288298U - 10kV air normal pressure combined switch module - Google Patents

10kV air normal pressure combined switch module Download PDF

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Publication number
CN216288298U
CN216288298U CN202122060272.9U CN202122060272U CN216288298U CN 216288298 U CN216288298 U CN 216288298U CN 202122060272 U CN202122060272 U CN 202122060272U CN 216288298 U CN216288298 U CN 216288298U
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China
Prior art keywords
conductive
plug
circuit breaker
socket
moving contact
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CN202122060272.9U
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Chinese (zh)
Inventor
张增起
宋幸生
应兵荣
籍鹏杰
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Hefei Junli Electric Technology Co.,Ltd.
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Individual
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Abstract

The utility model discloses a 10KV air normal-pressure combined switch module which comprises a plug and socket assembly, a vacuum circuit breaker and a fuse, wherein the vacuum circuit breaker comprises an external first moving contact, and the first moving contact is provided with a grounded first fixed contact; the plug and socket assembly comprises a conductive socket embedded in the insulating base and a conductive plug inserted into the conductive socket, a vacuum arc extinguish chamber moving contact is arranged in the vacuum circuit breaker, and a third fixed contact matched with the first moving contact is arranged on the conductive socket. The fuse comprises a second fixed contact electrically connected with the leading-out terminal; and a second conductive piece is electrically connected between the fuse and the moving contact of the vacuum arc extinguish chamber. When only the combination of the plug and socket assembly and the vacuum circuit breaker is absent of the fuse, a first conductive piece is electrically connected between the conductive socket and the movable contact of the vacuum arc extinguish chamber. The utility model can integrate, combine and match various electric appliances, and is convenient for adjusting the circuit mode in the distribution box.

Description

10kV air normal pressure combined switch module
Technical Field
The utility model belongs to the field of switches, and particularly relates to a 10kV air normal-pressure combined switch module.
Background
In a 10kV power supply system, a distribution box is widely applied, and a plurality of electric appliances such as a vacuum circuit breaker, a fast-assembly cable contact socket, a fast-assembly small-current contact socket, a lightning arrester, an isolating switch, an earthing switch, a fuse and the like can be installed inside the distribution box.
Because of numerous electric appliances, the electric appliances are required to be adjusted and arranged one by one according to the circuit requirements, so that the electric appliances form a set of complete circuit. Therefore, the installation of each electrical appliance requires a strong professional knowledge of the operator, and the installation of the electrical appliances is easy to make mistakes when scattered, which is likely to cause accidents.
Disclosure of Invention
The utility model aims to solve the technical problem of the prior art and provides a 10kV air normal pressure combined switch module which is reasonable in structural layout, convenient to adjust a circuit mode in a distribution box by integrating, combining and matching various electric appliances and small in size.
The first technical scheme adopted by the utility model for solving the technical problems is an integrated piece of a vacuum circuit breaker and a plug and socket assembly: a10 kV air normal pressure combined switch module comprises an insulating base, wherein a vacuum circuit breaker and a plug and socket assembly are arranged in the insulating base; the vacuum circuit breaker comprises an external first moving contact, and the first moving contact is provided with a grounded first fixed contact;
the plug and socket assembly comprises a conductive socket embedded in the insulating base and a conductive plug inserted in the conductive socket, a vacuum arc extinguish chamber moving contact is arranged in the vacuum circuit breaker, a first conductive piece is electrically connected between the conductive socket and the vacuum arc extinguish chamber moving contact, and the first conductive piece is positioned in the insulating base;
and a third fixed contact matched with the first movable contact is arranged on the conductive socket.
In order to optimize the technical scheme, the adopted measures further comprise:
the plug and socket assembly also comprises an insulation cone sleeved on the cable and a stress cone sleeved outside the insulation cone and used for fixing the conductive plug;
the insulating base is provided with a guide channel for inserting a stress cone, the guide channel is in a gradually-reduced shape from the outside to the direction of the conductive socket, and the stress cone is provided with an outer conical surface hermetically matched with the guide channel; and a fastening device is arranged between the insulating cone and the insulating base.
In a preferred embodiment, the outer ring of the conductive plug is provided with at least one annular groove, a spring contact finger is sleeved in the annular groove, and the spring contact finger is elastically pressed on the cylindrical conductive socket.
The second technical scheme adopted by the utility model for solving the technical problems is an integrated component of the vacuum circuit breaker and the fuse: a10 kV air normal pressure combined switch module comprises an insulating base, wherein a vacuum circuit breaker and a fuse are arranged in the insulating base, the vacuum circuit breaker comprises an external first moving contact, the first moving contact is provided with a grounded first fixed contact, and the fuse comprises a second fixed contact electrically connected with a leading-out end;
a moving contact of a vacuum arc extinguish chamber is arranged in the vacuum circuit breaker, a second conductive piece is electrically connected between the fuse and the moving contact of the vacuum arc extinguish chamber, and the second conductive piece is positioned in the insulating base.
The third technical scheme adopted by the utility model for solving the technical problems is an integrated component of a plug and socket assembly, a vacuum circuit breaker and a fuse: a10 kV air normal pressure combined switch module comprises an insulating base, wherein a plug and socket assembly, a vacuum circuit breaker and a fuse are arranged in the insulating base; the vacuum circuit breaker comprises an external first moving contact, the first moving contact is provided with a grounded first fixed contact, the plug and socket assembly comprises a third fixed contact matched with the first moving contact, and the fuse comprises a second fixed contact electrically connected with a leading-out end;
the plug and socket assembly comprises a conductive socket embedded in the insulating base and a conductive plug inserted in the conductive socket, and the conductive socket is provided with a third static contact matched with the first moving contact;
and a second conductive piece is electrically connected between the fuse and the moving contact of the vacuum arc extinguish chamber and is positioned in the insulating base.
In order to optimize the technical scheme, the adopted measures further comprise:
the plug and socket assembly also comprises an insulation cone sleeved on the cable and a stress cone sleeved outside the insulation cone and used for fixing the conductive plug;
the insulating base is provided with a guide channel for inserting a stress cone, the guide channel is in a gradually-reduced shape from the outside to the direction of the conductive socket, and the stress cone is provided with an outer conical surface hermetically matched with the guide channel; a fastening device is arranged between the insulating cone and the insulating base;
in a preferred embodiment, the outer ring of the conductive plug is provided with at least one annular groove, a spring contact finger is sleeved in the annular groove, and the spring contact finger is elastically pressed on the cylindrical conductive socket.
In all the schemes, the vacuum circuit breaker comprises a screw rod fixed on a moving contact of a vacuum arc extinguish chamber, a cylindrical pull rod fixed on the screw rod, and a soft insulating corrugated pipe sleeved on the periphery of the cylindrical pull rod; the insulating base is provided with a first annular body with a gap surrounding the cylindrical pull rod, the soft insulating corrugated pipe is provided with a second annular body sleeved on the periphery of the first annular body, and the soft insulating corrugated pipe is also provided with a corrugated section.
The soft insulating corrugated pipe comprises a fourth ring-shaped body sleeved on the cylindrical pull rod, the corrugated section is parallel to the fourth ring-shaped body, and the corrugated section and the fourth ring-shaped body are provided with a first bending structure which is integrally formed; the soft insulating corrugated pipe also comprises a third annular body which is attached to the inner wall of the first annular body in a sliding way; the corrugated section is parallel to the third annular body, the corrugated section and the third annular body are provided with a second bending structure which is integrally formed, and the second annular body and the third annular body are provided with a third bending structure which is integrally formed.
A metal cup is arranged at the center of the cylindrical pull rod, an external thread sleeve is arranged at an opening of the metal cup, a round hole is formed in the center of the external thread sleeve, a connecting rod penetrates through the round hole, and a limiting protruding ring is further arranged on the connecting rod, is positioned in the metal can and is arranged at the inner end of the round hole in a propping manner; a spring is also arranged in the metal can, and the limiting convex ring is pressed at the end part of the spring.
Compared with the prior art, the 10kV air normal pressure combined switch module comprises any combination of a plug and socket assembly, a vacuum circuit breaker and a fuse, wherein the vacuum circuit breaker comprises an external first moving contact which is provided with a grounded first fixed contact; the plug and socket assembly comprises a conductive socket embedded in the insulating base and a conductive plug inserted into the conductive socket, a vacuum arc extinguish chamber moving contact is arranged in the vacuum circuit breaker, and a third fixed contact matched with the first moving contact is arranged on the conductive socket. The fuse comprises a second fixed contact electrically connected with the leading-out terminal; and a second conductive piece is electrically connected between the fuse and the moving contact of the vacuum arc extinguish chamber. When only the combination of the plug and socket assembly and the vacuum circuit breaker is absent of the fuse, a first conductive piece is electrically connected between the conductive socket and the movable contact of the vacuum arc extinguish chamber. The utility model can integrate, combine and match various electric appliances, and is convenient for adjusting the circuit mode in the distribution box.
The volume of the integrated part of the vacuum circuit breaker and the plug and socket assembly is reduced because of the structure of the soft insulating corrugated pipe, the surface distance from the first moving contact to the cylindrical pull rod soft insulating corrugated pipe is increased, the surface creepage distance is increased, the integration of the first moving contact and the cylindrical pull rod soft insulating corrugated pipe can be very small, and in addition, the waterproof and air-proof performance of the plug and socket assembly can be enhanced by the application of the insulating cone and the stress cone of the plug and socket assembly.
Regarding the uniqueness: the three independent claims corresponding to the three embodiments of the present invention are technically related to each other due to the common essential technical features (the structure and the position relationship of the insulating base and the vacuum circuit breaker), and comprise a plurality of same specific technical features, and each utility model as a whole makes contribution to the prior art by the two major features, so that scattered electric devices can be integrated on the edge base for combined use.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of the second embodiment;
FIG. 5 is a bottom view of FIG. 4;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a schematic structural view of the second embodiment;
FIG. 8 is a bottom view of FIG. 7;
FIG. 9 is a cross-sectional view B-B of FIG. 8;
fig. 10 is a schematic structural view of a plug and receptacle assembly according to the first and third embodiments;
FIG. 11 is an exploded schematic view of FIG. 10;
fig. 12 is a schematic structural view of a cylindrical pull rod and peripheral components of the vacuum circuit breaker according to the first to third embodiments;
fig. 13 is an exploded schematic view of fig. 12.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 13 are schematic structural views of the present invention.
Wherein the reference numerals are: the plug and socket assembly 1, the insulating cone 11, the stress cone 12, the fastening device 13, the spring contact finger 14, the conductive socket 15, the guide channel 151, the conductive plug 16, the annular groove 161, the third fixed contact 17, the first conductive member 18, the insulating base 2, the lightning arrester 4, the vacuum circuit breaker 5, the connecting rod 51, the limit protruding ring 511, the external thread sleeve 521, the circular hole 5211, the metal cup 522, the spring 53, the cylindrical pull rod 54, the screw 55, the arc extinguish chamber 56, the vacuum arc extinguish chamber movable contact 561, the first movable contact 57, the first fixed contact 58, the soft insulating corrugated tube 59, the fourth annular body 591, the first bending structure 592, the corrugated section 593, the second bending structure 594, the third annular body 595, the third bending structure 596, the second annular body 597, the first annular body 598, the fuse 6, the leading-out end 62, the second fixed contact 61, and the second conductive member 63.
Embodiment one is an integrated piece of the vacuum circuit breaker 5 and the plug and socket assembly 1: as shown in fig. 1 to 3, a 10kV air normal pressure combined switch module comprises an insulating base 2, wherein a vacuum circuit breaker 5 and a plug and socket assembly 1 are arranged in the insulating base 2; the vacuum circuit breaker 5 comprises an external first moving contact 57, and the first moving contact 57 is provided with a grounded first fixed contact 58;
the plug and socket assembly 1 comprises a conductive socket 15 embedded in the insulating base 2 and a conductive plug 16 inserted in the conductive socket 15, wherein a vacuum arc extinguish chamber moving contact 561 is arranged in the vacuum circuit breaker 5, precisely, a vacuum arc extinguish chamber moving contact 561 is arranged in the vacuum arc extinguish chamber 56, a first conductive piece 18 is electrically connected between the conductive socket 15 and the vacuum arc extinguish chamber moving contact 561, and the first conductive piece 18 is positioned in the insulating base 2;
the conductive socket 15 is provided with a third stationary contact 17 matching with the first movable contact 57.
In the embodiment, as shown in fig. 3, 10 and 11, the plug and socket assembly 1 further includes an insulation cone 11 sleeved on the cable, and a stress cone 12 sleeved outside the insulation cone 11 and used for fixing the conductive plug 16;
the insulating base 2 is provided with a guide channel 151 for inserting the stress cone 12, the guide channel 151 is in a tapered shape from the outside to the direction of the conductive socket 15, and the stress cone 12 is provided with an outer conical surface hermetically matched with the guide channel 151; a fastening device 13 is arranged between the insulation cone 11 and the insulation base 2.
In the embodiment, as shown in fig. 3, 10 and 11, the outer ring of the conductive plug 16 is provided with at least one annular groove 161, the annular groove 161 is sleeved with the spring 53 contact finger 14, and the spring 53 contact finger 14 is elastically pressed on the cylindrical conductive socket 15.
Example two is an integrated piece of the vacuum circuit breaker 5 and the fuse 6: as shown in fig. 4 to 6, a 10kV air normal pressure combined switch module includes an insulating base 2, a vacuum circuit breaker 5 and a fuse 6 are disposed in the insulating base 2, the vacuum circuit breaker 5 includes an external first moving contact 57, the first moving contact 57 is provided with a grounded first fixed contact 58, and the fuse 6 includes a second fixed contact 61 electrically connected to a leading-out terminal 62;
a vacuum arc extinguish chamber moving contact 561 is arranged in the vacuum circuit breaker 5, a second conductive piece 63 is electrically connected between the fuse 6 and the vacuum arc extinguish chamber moving contact 561, and the second conductive piece 63 is positioned in the insulating base 2.
Example three is an integrated piece of the plug and socket assembly 1, the vacuum interrupter 5 and the fuse 6: as shown in fig. 7 to 9, a 10kV air normal pressure combined switch module comprises an insulating base 2, wherein a plug and socket assembly 1, a vacuum circuit breaker 5 and a fuse 6 are arranged in the insulating base 2; the vacuum circuit breaker 5 comprises an external first moving contact 57, the first moving contact 57 is provided with a grounded first fixed contact 58, the plug and socket assembly 1 comprises a third fixed contact 17 matched with the first moving contact 57, and the fuse 6 comprises a second fixed contact 61 electrically connected with a leading-out end 62;
the plug and socket assembly 1 comprises a conductive socket 15 embedded in the insulating base 2 and a conductive plug 16 inserted in the conductive socket 15, wherein the conductive socket 15 is provided with a third fixed contact 17 matched with the first movable contact 57;
a second conductive piece 63 is electrically connected between the fuse 6 and the moving contact 561 of the vacuum arc extinguish chamber, and the second conductive piece 63 is positioned in the insulating base 2.
In the embodiment, as shown in fig. 9, 10 and 11, the plug and socket assembly 1 further includes an insulation cone 11 sleeved on the cable, and a stress cone 12 sleeved outside the insulation cone 11 and used for fixing the conductive plug 16;
the insulating base 2 is provided with a guide channel 151 for inserting the stress cone 12, the guide channel 151 is in a tapered shape from the outside to the direction of the conductive socket 15, and the stress cone 12 is provided with an outer conical surface hermetically matched with the guide channel 151; a fastening device 13 is arranged between the insulating cone 11 and the insulating base 2;
in the embodiment, as shown in fig. 11, at least one annular groove 161 is formed on the outer circumference of the conductive plug 16, the spring 53 contact finger 14 is sleeved in the annular groove 161, and the spring 53 contact finger 14 is elastically pressed on the cylindrical conductive socket 15.
In the third embodiment, a current series circuit is provided, the first movable contact 57 rotates to introduce current from the third fixed contact 17, then passes through the first movable contact 57, the vacuum arc extinguish chamber movable contact 561, then the second conductive member 63, the lower port of the fuse 6, the upper port of the fuse 6, the second fixed contact 61, the leading-out end 62, the cable connector and the current leading-out device.
In all the embodiments described above, as shown in fig. 12 and 13, the vacuum circuit breaker 5 includes a screw 55 fixed on the moving contact 561 of the vacuum interrupter, a cylindrical pull rod 54 fixed on the screw 55, and a soft insulating corrugated tube 59 sleeved on the outer periphery of the cylindrical pull rod 54; the insulating base 2 is provided with a first annular body 598 surrounding the cylindrical pull rod 54 with a gap, the soft insulating corrugated pipe 59 is provided with a second annular body 597 sleeved on the periphery of the first annular body 598, and the soft insulating corrugated pipe 59 is also provided with a corrugated section 593.
In the above three embodiments, as shown in fig. 12 and 13, the flexible insulating bellows 59 includes a fourth ring 591 sleeved on the cylindrical pull rod 54, the bellows segment 593 is parallel to the fourth ring 591, and the bellows segment 593 and the fourth ring 591 are provided with the integrally formed first bending structure 592; the soft insulating corrugated tube 59 further comprises a third ring-shaped body 595 which is slidably attached to the inner wall of the first ring-shaped body 598; the corrugated section 593 is parallel to the third ring body 595, and the corrugated section 593 and the third ring body 595 are provided with the integrally formed second bending structure 594, and the second ring body 597 and the third ring body 595 are provided with the integrally formed third bending structure 596.
In the above three embodiments, as shown in fig. 12 and 13, the metal cup 522 is disposed at the center of the cylindrical pull rod 54, the external thread sleeve 521 is disposed at the opening of the metal cup 522, the circular hole 5211 is disposed at the center of the external thread sleeve 521, the connecting rod 51 is inserted into the circular hole 5211, the connecting rod 51 is further provided with the limit protruding ring 511, and the limit protruding ring 511 is located in the metal can and abuts against the inner end of the circular hole 5211; a spring 53 is also arranged in the metal can, and the limiting convex ring 511 is pressed at the end part of the spring 53. The pulling of the connecting rod 51 can drive the moving contact 561 of the vacuum arc extinguish chamber to open, whereas the pushing of the connecting rod 51 can drive the moving contact 561 of the vacuum arc extinguish chamber to close.
In the above three embodiments, the lightning arresters 4 are also provided individually.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the utility model.

Claims (10)

1. The utility model provides a 10kV air ordinary pressure combination formula switch module which characterized by: the vacuum circuit breaker comprises an insulating base (2), wherein a vacuum circuit breaker (5) and a plug and socket assembly (1) are arranged in the insulating base (2); the vacuum circuit breaker (5) comprises an external first moving contact (57), and the first moving contact (57) is provided with a grounded first fixed contact (58);
the plug and socket assembly (1) comprises a conductive socket (15) embedded in the insulating base (2) and a conductive plug (16) inserted in the conductive socket (15), a vacuum arc extinguish chamber moving contact (561) is arranged in the vacuum circuit breaker (5), a first conductive piece (18) is electrically connected between the conductive socket (15) and the vacuum arc extinguish chamber moving contact (561), and the first conductive piece (18) is positioned in the insulating base (2);
and a third fixed contact (17) matched with the first movable contact (57) is arranged on the conductive socket (15).
2. The 10kV air normal pressure combined switch module as claimed in claim 1, wherein: the plug and socket assembly (1) further comprises an insulation cone (11) sleeved on the cable, and a stress cone (12) sleeved outside the insulation cone (11) and used for fixing the conductive plug (16);
the insulating base (2) is provided with a guide channel (151) for inserting the stress cone (12), the guide channel (151) is in a tapered shape from the outside to the direction of the conductive socket (15), and the stress cone (12) is provided with an outer conical surface hermetically matched with the guide channel (151); and a fastening device (13) is arranged between the insulation cone (11) and the insulation base (2).
3. The 10kV air normal pressure combined switch module as claimed in claim 2, wherein: the outer ring of the conductive plug (16) is provided with at least one annular groove (161), a spring (53) contact finger (14) is sleeved in the annular groove (161), and the spring (53) contact finger (14) is elastically pressed on the conductive socket (15).
4. The utility model provides a 10kV air ordinary pressure combination formula switch module which characterized by: the vacuum circuit breaker comprises an insulating base (2), wherein a vacuum circuit breaker (5) and a fuse (6) are arranged in the insulating base (2), the vacuum circuit breaker (5) comprises an external first moving contact (57), the first moving contact (57) is provided with a grounded first fixed contact (58), and the fuse (6) comprises a second fixed contact (61) electrically connected with a leading-out end (62);
the vacuum circuit breaker (5) is internally provided with a vacuum arc extinguish chamber moving contact (561), a second conductive piece (63) is electrically connected between the fuse (6) and the vacuum arc extinguish chamber moving contact (561), and the second conductive piece (63) is positioned in the insulating base (2).
5. The utility model provides a 10kV air ordinary pressure combination formula switch module which characterized by: the vacuum circuit breaker comprises an insulating base (2), wherein a plug and socket assembly (1), a vacuum circuit breaker (5) and a fuse (6) are arranged in the insulating base (2); the vacuum circuit breaker (5) comprises an external first moving contact (57), the first moving contact (57) is provided with a grounded first fixed contact (58), the plug and socket assembly (1) comprises a third fixed contact (17) matched with the first moving contact (57), and the fuse (6) comprises a second fixed contact (61) electrically connected with a leading-out end (62);
the plug and socket assembly (1) comprises a conductive socket (15) embedded in the insulating base (2) and a conductive plug (16) inserted into the conductive socket (15), wherein a third fixed contact (17) matched with the first movable contact (57) is arranged on the conductive socket (15);
and a second conductive piece (63) is electrically connected between the fuse (6) and the moving contact (561) of the vacuum arc-extinguishing chamber, and the second conductive piece (63) is positioned in the insulating base (2).
6. The 10kV air normal pressure combined switch module as claimed in claim 5, wherein: the plug and socket assembly (1) further comprises an insulation cone (11) sleeved on the cable, and a stress cone (12) sleeved outside the insulation cone (11) and used for fixing the conductive plug (16);
the insulating base (2) is provided with a guide channel (151) for inserting the stress cone (12), the guide channel (151) is in a tapered shape from the outside to the direction of the conductive socket (15), and the stress cone (12) is provided with an outer conical surface hermetically matched with the guide channel (151); and a fastening device (13) is arranged between the insulation cone (11) and the insulation base (2).
7. The 10kV air normal pressure combined switch module as claimed in claim 6, wherein: the outer ring of the conductive plug (16) is provided with at least one annular groove (161), a spring (53) contact finger (14) is sleeved in the annular groove (161), and the spring (53) contact finger (14) is elastically pressed on the conductive socket (15).
8. A 10kV air normal pressure combined switch module according to any of claims 1 to 7, characterized in that: the vacuum circuit breaker (5) comprises a screw rod (55) fixed on a moving contact (561) of the vacuum arc extinguish chamber, a cylindrical pull rod (54) fixed on the screw rod (55), and a soft insulating corrugated pipe (59) sleeved on the periphery of the cylindrical pull rod (54); a first annular body (598) surrounding the cylindrical pull rod (54) in a clearance mode is arranged on the insulation base (2), a second annular body (597) sleeved on the periphery of the first annular body (598) is arranged on the soft insulation corrugated pipe (59), and a corrugated section (593) is further arranged on the soft insulation corrugated pipe (59).
9. The 10kV air normal pressure combined switch module as claimed in claim 8, wherein: the soft insulating corrugated pipe (59) comprises a fourth ring-shaped body (591) sleeved on the cylindrical pull rod (54), the corrugated section (593) is parallel to the fourth ring-shaped body (591), and the corrugated section (593) and the fourth ring-shaped body (591) are provided with a first bending structure (592) which is integrally formed; the soft insulating corrugated pipe (59) further comprises a third annular body (595) which is attached to the inner wall of the first annular body (598) in a sliding manner; the corrugated section (593) is parallel to the third ring body (595), the corrugated section (593) and the third ring body (595) are provided with a second bending structure (594) which is integrally formed, and the second ring body (597) and the third ring body (595) are provided with a third bending structure (596) which is integrally formed.
10. The 10kV air normal pressure combined switch module as claimed in claim 9, wherein: a metal cup (522) is arranged at the center of the cylindrical pull rod (54), an external thread sleeve (521) is arranged at an opening of the metal cup (522), a round hole (5211) is formed in the center of the external thread sleeve (521), a connecting rod (51) penetrates through the round hole (5211), a limiting protruding ring (511) is further arranged on the connecting rod (51), and the limiting protruding ring (511) is located in the metal can and abuts against the inner end of the round hole (5211); a spring (53) is also arranged in the metal can, and the limiting convex ring (511) is pressed at the end part of the spring (53).
CN202122060272.9U 2021-08-30 2021-08-30 10kV air normal pressure combined switch module Active CN216288298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122060272.9U CN216288298U (en) 2021-08-30 2021-08-30 10kV air normal pressure combined switch module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122060272.9U CN216288298U (en) 2021-08-30 2021-08-30 10kV air normal pressure combined switch module

Publications (1)

Publication Number Publication Date
CN216288298U true CN216288298U (en) 2022-04-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122060272.9U Active CN216288298U (en) 2021-08-30 2021-08-30 10kV air normal pressure combined switch module

Country Status (1)

Country Link
CN (1) CN216288298U (en)

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Effective date of registration: 20230410

Address after: 230000 Workshop 2, 300m from the intersection of Wan'an Avenue and JAC Avenue, Gangji Town, Changfeng County, Hefei City, Anhui Province

Patentee after: Hefei Junli Electric Technology Co.,Ltd.

Address before: 100075 Room 303, 4th floor, Sanli, Puhuangyu, Fengtai District, Beijing

Patentee before: Zhang Zengqi

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