CN110767416A - High-insulation transformer matched with power switch cabinet device - Google Patents
High-insulation transformer matched with power switch cabinet device Download PDFInfo
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- CN110767416A CN110767416A CN201911057795.9A CN201911057795A CN110767416A CN 110767416 A CN110767416 A CN 110767416A CN 201911057795 A CN201911057795 A CN 201911057795A CN 110767416 A CN110767416 A CN 110767416A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of transformer protection devices, in particular to a high-insulation transformer matched with a power switch cabinet device, which comprises a box shell-shaped cabinet body, wherein a transformer is arranged in the inner cavity of the cabinet body, an isolating device is respectively arranged in the inner cavities of the cabinet body at two sides of the transformer, the isolating device comprises an L-shaped plate, a control device and a pushing plate, the control device comprises an inner cylinder, a control ball, an outer cylinder, a supporting plate, a pressure plate, a spring piece, a rubber air bag, a rubber hose and a pressure device, the invention realizes the effect of double buffering impact through the design of the rubber air bag and the spring piece, even if the cabinet body is excessively seriously deformed, the transformer cannot be influenced by transition, the safety of the transformer is ensured, the impact loss caused by an accident is reduced to the minimum, and the safety of the transformer is improved.
Description
Technical Field
The invention relates to the technical field of transformer protection devices, in particular to a high-insulation transformer matched with a power switch cabinet device.
Background
The high-insulation transformer matched with the cabinet closing device in the prior art is simple in structure, cannot well cope with accidental external impact, once an accidental impact accident occurs, inestimable impact damage can be caused to the transformer, even an electric leakage phenomenon occurs, and property safety of people is harmed.
If the buffer isolation device is arranged in the protection cabinet, the shell of the protection cabinet and the transformer are isolated, the mounting and adjusting mode is simple and rapid, time and labor are saved, and the problem can be solved, so that the high-insulation transformer matched with the power switch cabinet device is provided.
Disclosure of Invention
The invention aims to provide a high-insulation transformer matched with a power switch cabinet device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-insulation transformer matched with a power switch cabinet device comprises a box body in a box shell shape, wherein a transformer is arranged in an inner cavity of the box body, two isolating devices are respectively arranged in inner cavities of the box body at two sides of the transformer and are symmetrically distributed, each isolating device comprises an L-shaped plate, a control device and a pushing plate, a plurality of control devices which are uniformly distributed are arranged on the L-shaped plates, the pushing plates are arranged on one sides of the control devices and are fixed on the inner wall of the box body, each control device comprises an inner tube, a control ball, an outer tube, a supporting plate, a pressure plate, a spring leaf, a rubber air bag, a rubber hose and a pressure device, one end of the inner tube is fixedly connected with the control ball, the other end of the inner tube extends into the outer tube, the supporting plate and the pressure plate are sleeved outside the outer tube, the other side of the supporting plate is provided with two spring pieces which are symmetrically distributed, one end of each spring piece is fixedly connected with the control ball, the L-shaped plate is fixedly connected with a rubber air bag, rubber hoses are arranged in the inner cavities of the inner cylinder and the outer cylinder, one end of each rubber hose extends into the rubber air bag, the other end of each rubber hose extends into the control ball, a plurality of pressure devices which are uniformly distributed are arranged on the hemispherical surface of the control ball facing the pushing plate, the pressure device comprises a corrugated pipe, a protruding column and a spring, one end of the corrugated pipe is fixedly connected with the protruding column, and a spring is sleeved in the inner cavity of the corrugated pipe, a branch pipe cavity and a ball cavity are arranged in the control ball, the ball cavity is positioned at the ball center of the control ball, one side of the ball cavity is connected with the branch pipe cavity, one end of the branch pipe cavity is connected with a pressure device, and one end of a rubber hose extends into the inner cavity of the ball cavity.
Preferably, the outer wall of the control ball is provided with a control groove with a columnar groove structure, the protruding column and the corrugated pipe are movably sleeved in an inner cavity of the control groove, one end of the corrugated pipe is fixedly connected with the bottom surface of the control groove, and one end of the branch pipe cavity is connected with the bottom surface of the inner cavity of the control groove.
Preferably, the shape of the convex column is a hemisphere integrally connected with the end part of the cylinder, a plurality of convex sliding blocks which are uniformly distributed are arranged on the outer wall of the cylinder of the convex column in a fixed mode, and one end of each convex sliding block extends into a sliding groove formed in the inner wall of the control groove.
Preferably, the pushing plate is square plate-shaped, one side plate surface of the pushing plate is fixedly connected with the inner wall of the cabinet body, a plurality of hemispherical restraining grooves which are uniformly distributed are formed in the other side plate surface of the pushing plate, and the control balls are arranged in the restraining grooves in a matching mode.
Preferably, the L-shaped plate is in the shape of a vertical plate integrally connected to one side of a horizontal plate, a plurality of bolts are arranged on the horizontal plate of the L-shaped plate, and the lower ends of the bolts extend into the bottom shell of the cabinet body.
Preferably, the pressure plate is a circular plate, the side wall of the plate body is provided with a plurality of uniformly distributed columnar grooves, the outer cylinder penetrates through a threaded hole formed in the middle of the pressure plate, the outer wall of the outer cylinder is provided with threads, the outer cylinder is in threaded connection with the pressure plate, and the outer cylinder penetrates through a through hole formed in the supporting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the design of the rubber air bag and the spring piece, the effect of double impact buffering is realized, even if the cabinet body is excessively seriously deformed, the transformer is not subjected to transition influence, the safety of the transformer is ensured, the loss of accidental impact is reduced to the minimum, and the safety of the transformer is improved;
2. the device realizes stable mechanical control transmission through the design of controlling means, and the regulation and control can be accomplished to rotation pressure plate to the regulation and control mode simple and convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a control device;
fig. 3 is a schematic view of a pressure plate configuration.
In the figure: 1 cabinet body, 2 transformers, 3 isolating devices, 4L-shaped plates, 5 control devices, 6 extruding plates, 7 corrugated pipes, 8 protruding columns, 9 springs, 10 inner cylinders, 11 control balls, 12 outer cylinders, 13 supporting plates, 14 pressure plates, 15 spring pieces, 16 rubber airbags, 17 rubber hoses, 18 pressure devices, 19 protruding sliding blocks, 20 control grooves, 21 branch pipe cavities, 22 ball cavities and 23 restraining grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a high-insulation transformer matched with a power switch cabinet device comprises a case body 1, a transformer 2 is arranged in the inner cavity of the case body 1, an isolating device 3 is respectively arranged in the inner cavities of the case body 1 at two sides of the transformer 2, the two isolating devices 3 are symmetrically distributed, each isolating device 3 comprises an L-shaped plate 4, a control device 5 and a pushing plate 6, a plurality of control devices 5 which are uniformly distributed are arranged on the L-shaped plate 4, the pushing plate 6 is arranged at one side of each control device 5, the pushing plates 6 are fixed on the inner wall of the case body 1, each control device 5 comprises an inner cylinder 10, a control ball 11, an outer cylinder 12, a supporting plate 13, a pressure plate 14, a spring piece 15, a rubber air bag 16, a rubber hose 17 and a pressure device 18, the control ball 11 is fixedly connected to one end of the inner cylinder 10, the other end of the inner cylinder 10 extends into the outer cylinder 12, a pressure plate 14 is arranged on one side of a support plate 13, two spring pieces 15 which are symmetrically distributed are arranged on the other side of the support plate 13, one end of each spring piece 15 is fixedly connected with a control ball 11, a rubber air bag 16 is fixedly connected on an L-shaped plate 4, rubber hoses 17 are arranged in inner cavities of an inner cylinder 10 and an outer cylinder 12, one end of each rubber hose 17 extends into the rubber air bag 16, the other end of each rubber hose 17 extends into the control ball 11, a plurality of uniformly distributed pressure devices 18 are arranged on the hemispherical surface of the control ball 11, which faces to a pushing plate 6, the pressure devices 18 comprise corrugated pipes 7, convex columns 8 and springs 9, one end of each corrugated pipe 7 is fixedly connected with a convex column 8, the inner cavity of each corrugated pipe 7 is sleeved with a spring 9, a branch pipe cavity 21 and a ball cavity 22 are arranged in the control ball 11, the ball cavity 22 is positioned at the ball center of the, one end of the branch pipe cavity 21 is connected with the pressure device 18, one end of the rubber hose 17 extends into the inner cavity of the ball cavity 22, and the pushing plate 6 is made of a material capable of generating plastic deformation.
The outer wall of the control ball 11 is provided with a control groove 20 with a columnar groove structure, the projecting column 8 and the corrugated pipe 7 are movably sleeved in the inner cavity of the control groove 20, one end of the corrugated pipe 7 is fixedly connected with the bottom surface of the control groove 20, and one end of the branch pipe cavity 21 is connected with the bottom surface of the inner cavity of the control groove 20.
The shape of the convex column 8 is a hemisphere integrally connected with the end part of the cylindrical end, a plurality of convex sliding blocks 19 which are uniformly distributed are arranged on the outer wall of the cylindrical end of the convex column 8 in a fixed mode, and one end of each convex sliding block 19 extends into a sliding groove formed in the inner wall of the control groove 20.
The pushing plate 6 is square plate-shaped, one side plate surface of the pushing plate 6 is fixedly connected with the inner wall of the cabinet body 1, a plurality of semi-sphere-shaped restraining grooves 23 which are uniformly distributed are formed in the other side plate surface of the pushing plate 6, and the control balls 11 are arranged in the restraining grooves 23 in a matching mode.
The L-shaped plate 4 is in the shape of a horizontal plate, one side of the horizontal plate is integrally connected with a vertical plate, a plurality of bolts are arranged on the horizontal plate of the L-shaped plate 4, and the lower ends of the bolts extend into the bottom shell of the cabinet body 1.
The pressure plate 14 is a circular plate, a plurality of uniformly distributed columnar grooves are formed in the side wall of the plate body, the outer cylinder 12 penetrates through a threaded hole formed in the middle of the pressure plate 14, threads are formed in the outer wall of the outer cylinder 12, the outer cylinder 12 is in threaded connection with the pressure plate 14, and the outer cylinder 12 penetrates through a through hole formed in the supporting plate 13. .
The working principle is as follows: FIG. 1 shows a normal operation state of a transformer 2, in which a rubber airbag 16 is located at one side of an outer shell of the transformer 2, a gap is formed between the rubber airbag 16 and the outer shell of the transformer 2, a control ball 11 is fittingly arranged in a restraining groove 23, an end of a pressure device 18 is just in contact with the inner wall restraining groove 23, an L-shaped plate 4 is fixed in an inner cavity of a cabinet 1, a pushing plate 6 is fixed on an inner wall of the cabinet 1, the control device 5 needs to be positionally adjusted to achieve fitting between the control device 5 and the pushing plate 6, specifically, a rod-like tool is inserted into a cylindrical groove on the pressure plate 14, the pressure plate 14 is rotated, so that the pressure plate 14 moves on a pressure plate 12, the pressure plate 14 pushes a support plate 13, the support plate 13, a spring 15, the control ball 11 and an inner cylinder 10 form a whole, the whole moves synchronously until the control ball 11 is in, in the process, the inner cylinder 10 is partially drawn out from the outer cylinder 12, the arrangement of the inner cylinder 10 and the outer cylinder 12 ensures that the rubber hose 17 stably conducts air guiding work, external impact force acts on the shell of the cabinet body 1, the cabinet body 1 deforms to further cause the pushing plate 6 to deform, the pressing force of the thrust plate 6 thus causes the pressure means 18 and the control ball 11 to change, in particular the projecting stud 8 is pressed into part of the control ball 11, so that the corrugated pipe 7 is deformed and contracted, the gas in the corrugated pipe 7 flows to the ball cavity 22 through the branch pipe cavity 21, then the rubber air bags 16 are injected into the rubber air bags 16 through the rubber hoses 17, the rubber air bags 16 expand and deform, so that the rubber air bags 16 are pressed against the outer wall of the transformer 2 to buffer the impact force, the transformer 2 is protected, the control ball 11 displaces, and therefore the spring piece 15 deforms and buffers the displacement of the control ball 11, and safety of the transformer 2 is guaranteed through multiple buffering effects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a supporting high insulating transformer of power switch cabinet device, includes the cabinet body (1) of case casing form, be provided with transformer (2), its characterized in that in the inner chamber of the cabinet body (1): the transformer cabinet is characterized in that an isolating device (3) is respectively arranged in the inner cavity of the cabinet body (1) on two sides of the transformer (2), the two isolating devices (3) are symmetrically distributed, each isolating device (3) comprises an L-shaped plate (4), a control device (5) and a pushing plate (6), the control devices (5) which are uniformly distributed are arranged on the L-shaped plates (4), the pushing plates (6) are arranged on one sides of the control devices (5), the pushing plates (6) are fixed on the inner wall of the cabinet body (1), each control device (5) comprises an inner cylinder (10), a control ball (11), an outer cylinder (12), a supporting plate (13), a pressure plate (14), a spring leaf (15), a rubber air bag (16), a rubber hose (17) and a pressure device (18), one end of the inner cylinder (10) is fixedly connected with the control ball (11), and the other end of the inner cylinder (10) extends into the outer, the outer barrel (12) is sleeved with a supporting plate (13) and a pressure plate (14), the pressure plate (14) is arranged on one side of the supporting plate (13), two spring pieces (15) which are symmetrically distributed are arranged on the other side of the supporting plate (13), one end of each spring piece (15) is fixedly connected with a control ball (11), a rubber air bag (16) is fixedly connected onto the L-shaped plate (4), rubber hoses (17) are arranged in inner cavities of the inner barrel (10) and the outer barrel (12), one end of each rubber hose (17) extends into the corresponding rubber air bag (16), the other end of each rubber hose (17) extends into the corresponding control ball (11), a plurality of uniformly distributed pressure devices (18) are arranged on the hemispherical surface of the control ball (11) facing to the extrusion plate (6), each pressure device (18) comprises a corrugated pipe (7), a convex column (8) and a spring (9), the one end fixedly connected with protrusion post (8) of bellows (7), and the cover has connected spring (9) in the inner chamber of bellows (7), set up branch pipe chamber (21) and ball chamber (22) in control ball (11), ball chamber (22) are located the centre of sphere position of control ball (11), and one side of ball chamber (22) is connected with branch pipe chamber (21), and the one end and the pressure device (18) of branch pipe chamber (21) are connected, and rubber hose (17) one end extends to in the inner chamber of ball chamber (22).
2. The high-insulation transformer matched with the power switch cabinet device according to claim 1, wherein: the outer wall of the control ball (11) is provided with a control groove (20) with a columnar groove structure, the protruding column (8) and the corrugated pipe (7) are movably sleeved in the inner cavity of the control groove (20), one end of the corrugated pipe (7) is fixedly connected with the bottom surface of the control groove (20), and one end of the branch pipe cavity (21) is connected with the bottom surface of the inner cavity of the control groove (20).
3. The high-insulation transformer matched with the power switch cabinet device according to claim 2, wherein: the shape of the convex column (8) is a hemisphere integrally connected with the end part of the cylinder, a plurality of convex sliding blocks (19) which are uniformly distributed are fixedly arranged on the outer wall of the cylinder of the convex column (8), and one end of each convex sliding block (19) extends into a sliding groove formed in the inner wall of the control groove (20).
4. The high-insulation transformer matched with the power switch cabinet device according to claim 1, wherein: the pushing plate (6) is square plate-shaped, one side plate surface of the pushing plate (6) is fixedly connected with the inner wall of the cabinet body (1), a plurality of semi-sphere-shaped dragging grooves (23) which are uniformly distributed are formed in the other side plate surface of the pushing plate (6), and the control balls (11) are arranged in the dragging grooves (23) in a matching mode.
5. The high-insulation transformer matched with the power switch cabinet device according to claim 1, wherein: the L-shaped plate (4) is in the shape of a vertical plate integrally connected to one side of a horizontal plate, a plurality of bolts are arranged on the horizontal plate of the L-shaped plate (4), and the lower ends of the bolts extend into the bottom shell of the cabinet body (1).
6. The high-insulation transformer matched with the power switch cabinet device according to claim 1, wherein: the pressure plate (14) is in a circular plate shape, a plurality of uniformly distributed columnar grooves are formed in the side wall of the plate body, the outer cylinder (12) penetrates through a threaded hole formed in the middle of the pressure plate (14), threads are arranged on the outer wall of the outer cylinder (12), the outer cylinder (12) is in threaded connection with the pressure plate (14), and the outer cylinder (12) penetrates through a through hole formed in the supporting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911057795.9A CN110767416B (en) | 2019-11-01 | 2019-11-01 | High-insulation transformer matched with power switch cabinet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911057795.9A CN110767416B (en) | 2019-11-01 | 2019-11-01 | High-insulation transformer matched with power switch cabinet device |
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| Publication Number | Publication Date |
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| CN110767416A true CN110767416A (en) | 2020-02-07 |
| CN110767416B CN110767416B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911057795.9A Active CN110767416B (en) | 2019-11-01 | 2019-11-01 | High-insulation transformer matched with power switch cabinet device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889860A (en) * | 2020-07-28 | 2020-11-06 | 绍兴裕铭机械科技有限公司 | Emergency stop device of reinforcement cage seam welder |
| CN113941837A (en) * | 2021-09-18 | 2022-01-18 | 重庆溯联塑胶股份有限公司 | Negative pressure suction ring assembling mechanism for sealing ring of new energy automobile cooling joint |
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| CN205069304U (en) * | 2015-10-30 | 2016-03-02 | 河北龙华变压器有限公司 | Supporting high insulating transformer of power switch cabinet device |
| CN205901121U (en) * | 2016-08-20 | 2017-01-18 | 谭欢欢 | Box -type substation vibration damping mount |
| CN208208492U (en) * | 2018-03-30 | 2018-12-07 | 天津通安变压器有限公司 | A kind of oil tank for transformers |
| CN208589337U (en) * | 2018-03-30 | 2019-03-08 | 天津通安变压器有限公司 | A kind of oil tank for transformers having fire-extinguishing function concurrently |
| CN208655396U (en) * | 2018-05-03 | 2019-03-26 | 天津天大求实电力新技术股份有限公司 | A kind of transformer equipment based on electric heat supply |
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2019
- 2019-11-01 CN CN201911057795.9A patent/CN110767416B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205069304U (en) * | 2015-10-30 | 2016-03-02 | 河北龙华变压器有限公司 | Supporting high insulating transformer of power switch cabinet device |
| CN205901121U (en) * | 2016-08-20 | 2017-01-18 | 谭欢欢 | Box -type substation vibration damping mount |
| CN208208492U (en) * | 2018-03-30 | 2018-12-07 | 天津通安变压器有限公司 | A kind of oil tank for transformers |
| CN208589337U (en) * | 2018-03-30 | 2019-03-08 | 天津通安变压器有限公司 | A kind of oil tank for transformers having fire-extinguishing function concurrently |
| CN208655396U (en) * | 2018-05-03 | 2019-03-26 | 天津天大求实电力新技术股份有限公司 | A kind of transformer equipment based on electric heat supply |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889860A (en) * | 2020-07-28 | 2020-11-06 | 绍兴裕铭机械科技有限公司 | Emergency stop device of reinforcement cage seam welder |
| CN113941837A (en) * | 2021-09-18 | 2022-01-18 | 重庆溯联塑胶股份有限公司 | Negative pressure suction ring assembling mechanism for sealing ring of new energy automobile cooling joint |
| CN113941837B (en) * | 2021-09-18 | 2023-09-15 | 重庆溯联塑胶股份有限公司 | New energy automobile cooling joint sealing washer negative pressure suction ring assembly devices |
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| CN110767416B (en) | 2020-05-22 |
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Effective date of registration: 20200427 Address after: Yueqing City, Liushi Zhen Xu Guang Cun 325600 Zhejiang city of Wenzhou Province Applicant after: Zhejiang Yinan Electric Co., Ltd Address before: 312400 No.7 tie yuan Er Road, Sanjiang street, Shengzhou City, Shaoxing City, Zhejiang Province Applicant before: Chen Tao |
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