CN114038712B - Packaging structure and packaging method of integrated conductor of circuit breaker - Google Patents
Packaging structure and packaging method of integrated conductor of circuit breaker Download PDFInfo
- Publication number
- CN114038712B CN114038712B CN202111236287.4A CN202111236287A CN114038712B CN 114038712 B CN114038712 B CN 114038712B CN 202111236287 A CN202111236287 A CN 202111236287A CN 114038712 B CN114038712 B CN 114038712B
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- welding
- pipe
- seat
- wire
- circuit breaker
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- 239000004020 conductor Substances 0.000 title claims abstract description 55
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 113
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuses (AREA)
Abstract
The invention discloses a packaging structure and a packaging method of an integrated conductor of a circuit breaker, and relates to the technical field of circuit breaker conductors, in particular to a packaging structure and a packaging method of an integrated conductor of a circuit breaker. The invention has simple structure, adopts the umbrella cover type welding structure, can effectively improve the welding quality of the lead, and can accurately inject the molten tin by a hydraulic molten tin injection mode, thereby reducing the conditions of cold joint and waste.
Description
Technical Field
The invention relates to the technical field of circuit breaker conductors, in particular to a packaging structure and a packaging method of an integrated circuit breaker conductor.
Background
A conductor refers to a substance that has a small resistivity and is prone to conduct current, and the presence of a large number of freely movable charged particles in the conductor is called a carrier. Under the action of the external electric field, the carriers do directional motion to form obvious current. Metals are the most common type of conductor. Conductors are an important component of switching circuit breakers and are very important throughout the power industry. The existing switch breaker conductors are various in variety and are manufactured by different manufacturers independently, the production and manufacturing equipment and the detection tools of each manufacturer directly influence the performance and quality stability of the conductors, and various conductors are arranged in the operating mechanism of the switch breaker in a scattered manner, so that the cooperative working capacity is influenced, the reliability of the product of the whole machine is poor, and the trouble finding problem is difficult. The 24KV switch breaker integrated conductor is researched and developed, so that the stable operation of electrical equipment is comprehensively improved, the service life of the electrical equipment is prolonged, and the production and manufacturing cost is reduced.
The prior art has the following defects or problems:
1. when the integrated conductor of the traditional circuit breaker is in soft connection, the wire is twisted and formed by a plurality of strands of copper wires, so that the wire and the conductor are easy to generate a false welding condition when being welded;
2. when the integrated conductor of the traditional circuit breaker is welded, the phenomenon of cold joint of the conductor or waste of tin liquid is easily caused due to the fact that the consumption of the tin liquid is different because manual welding is generally adopted;
3. when the integrated conductor of the traditional circuit breaker is welded, the condition that a welding surface is inclined can be sometimes encountered, so that tin liquid side leakage occurs, and poor contact of the integrated conductor is caused.
Disclosure of Invention
The invention aims to provide a packaging structure and a packaging method of an integrated conductor of a circuit breaker, aiming at the defects of the prior art, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a circuit breaker integrated conductor's packaging structure and encapsulation method, includes the welding seat, go up the inside welding device that runs through of welding seat, it is provided with down the welding seat to go up welding seat one side, the inside coupling mechanism that is provided with welding device parallel of lower welding seat, one side that the welding seat was kept away from down is provided with the base, be provided with stop device between base and the lower welding seat.
As the preferable technical scheme of the invention, the welding device comprises a welding pipe, a feed chute, a hopper, a conduit and an external electric wire, wherein the welding pipe is fixedly arranged in an upper welding seat, heating wires are arranged on the inner wall of the welding pipe, the inner diameter of the feed chute is larger than the outer diameter of the conduit, the conduit penetrates through the welding pipe, two ends of the external electric wire are respectively connected with the outside and the heating wires, the feed chute, the hopper and the external electric wire play roles in throwing tin materials and forming tin liquid, and the conduit plays a role in inserting wires.
As the preferable technical scheme of the invention, the connecting mechanism comprises a sleeve, a spherical pipe, a chute and a storage ring, the welding device further comprises a fixed ring and a split grating, the storage ring is fixedly connected with the lower welding seat, the split grating is matched with the chute in number, the split grating is circularly distributed around the fixed ring, the fixed ring is fixedly arranged on the inner wall of the welded pipe, the maximum outer diameter of the spherical pipe is matched with the inner diameter of the wire pipe, the sleeve and the storage ring can play a role of fixing an integrated conductor, and the spherical pipe, the split grating and the chute are matched with each other to use dispersible wires, so that the welding surface of the wires is enlarged, and the false welding phenomenon is reduced.
As the preferable technical scheme of the invention, the welding device further comprises a plurality of tin liquid pipes, blocking rings and pressure springs, wherein the tin liquid pipes are circularly distributed around the welding pipes, two sides of each pressure spring are respectively fixedly connected with the welding pipes and the blocking rings, and the blocking rings and the pressure springs are matched for use, so that the outflow quantity of the tin liquid can be controlled, and the phenomenon of excessive or insufficient tin liquid is avoided.
As the preferable technical scheme of the invention, the spacing device comprises a telescopic pipe, a distance adjusting spring, spacing grooves, connecting rods, spacing rings, spacing blocks, a turntable and bearings, wherein the telescopic pipe is fixedly connected with a base, the bearings are fixedly connected with a lower welding seat, the number of the spacing grooves is a plurality of the same and are distributed on the inner wall of the telescopic pipe at equal intervals, one side, far away from the spacing rings, of the distance adjusting spring is fixedly connected with the telescopic pipe, the spacing blocks can be clamped with the spacing grooves through the spacing rings, the connecting rods and the turntable, the spacing rings, the spacing blocks and the spacing grooves are matched for use, the height of the distance adjusting device can be fixed, and the height of the distance adjusting device can be adjusted by sliding the distance adjusting spring and the connecting rods up and down.
1. According to the packaging structure and the packaging method of the integrated conductor of the circuit breaker, when the packaging structure is used, the device is placed on the seat surface through the base, when the condition of uneven seat surface is met, the turntable is twisted to drive the connecting rod and the limiting ring to rotate, so that the limiting block slides out of the limiting groove, at the moment, the connecting rod can slide up and down under the elasticity of the distance-adjusting spring to adjust the inclination angle of the device, after the angle adjustment is finished, the turntable is rotated again to enable the limiting block to be clamped with the limiting groove, so that the device is fixed, the phenomenon of poor contact caused by tin liquid leakage due to uneven welding surface when the integrated conductor of the circuit breaker is welded is reduced, and the success rate of welding the integrated conductor of the circuit breaker is improved;
2. according to the packaging structure and the packaging method of the integrated conductor of the circuit breaker, when the integrated conductor of the circuit breaker is not packaged in use, the integrated conductor is placed in the lower welding seat, pins of the integrated conductor are sleeved on the surface of the sleeve, the upper welding seat is sealed on the upper surface of the lower welding seat, the grid is enabled to be slidingly connected into the sliding groove, the wire penetrates through the wire conduit, the wire is distributed on the surface of the sleeve under the sliding force of the surface of the spherical tube and the umbrella-shaped structure of the grid, so that the welding surface of the wire during welding is enlarged, the condition of virtual welding is reduced, and the packaging quality of the integrated conductor of the circuit breaker is improved;
3. according to the packaging structure and the packaging method of the integrated conductor of the circuit breaker, when the packaging structure is used, an external power supply is connected through an external electric wire to heat an internal heating wire of a welding pipe, meanwhile, tin bars are added into the welding pipe through a hopper and a feed chute, tin bars form molten tin under the heating of the heating wire, a welding seat is pressed hard at the moment until the welding pipe is overlapped with a sleeve, a blocking ring presses a pressure spring inwards under the action of pressure, a molten tin pipe is conducted at the moment, the molten tin welds a wire and an integrated conductor pin through the molten tin pipe, after the welding is finished, the welding seat is pulled upwards to separate a split grid from a chute, at the moment, the wire can be drawn out through the wire pipe, the packaging of the integrated conductor of the circuit breaker can be completed, the consumption of molten tin is accurate, and the conditions of too little cold welding of molten tin or excessive molten tin waste are reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a welding device and a connecting mechanism according to the present invention;
FIG. 3 is a schematic view of the interior of the welding apparatus of the present invention;
FIG. 4 is a schematic view of the welding device of the present invention;
FIG. 5 is a schematic view of a plugging ring according to the present invention;
fig. 6 is a schematic view of a distance adjusting device according to the present invention.
In the figure: 1. an upper welding seat; 2. a welding device; 201. welding the pipe; 202. a feed chute; 203. a hopper; 204. a conduit; 205. externally connecting an electric wire; 206. a fixing ring; 207. dividing a grating; 208. a tin liquid pipe; 209. a blocking ring; 2010. a pressure spring; 3. a lower welding seat; 4. a connecting mechanism; 401. a sleeve; 402. a bulb tube; 403. a chute; 404. a placement ring; 5. a base; 6. a limiting device; 601. a telescopic tube; 602. a distance adjusting spring; 603. a limit groove; 604. a connecting rod; 605. a limiting ring; 606. a limiting block; 607. a turntable; 608. and (3) a bearing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-6, a packaging structure of an integrated conductor of a circuit breaker and a packaging method thereof, the packaging structure comprises an upper welding seat 1, wherein a welding device 2 penetrates through the interior of the upper welding seat 1, a lower welding seat 3 is arranged on one side of the upper welding seat 1, a connecting mechanism 4 parallel to the welding device 2 is arranged in the interior of the lower welding seat 3, a base 5 is arranged on one side, far away from the upper welding seat 1, of the lower welding seat 3, and a limiting device 6 is arranged between the base 5 and the lower welding seat 3.
Further, the connecting mechanism 4 comprises a sleeve 401, a bulb tube 402, a sliding groove 403 and a placing ring 404, the welding device 2 further comprises a fixing ring 206 and a grating 207, the placing ring 404 is fixedly connected with the lower welding seat 3, the number of the grating 207 is matched with that of the sliding groove 403, the grating 207 is circularly distributed around the fixing ring 206, the fixing ring 206 is fixedly arranged on the inner wall of the welding tube 201, the maximum outer diameter of the bulb tube 402 is matched with the inner diameter of the conduit 204, the sleeve 401 and the placing ring 404 can play a role of fixing an integrated conductor, and the spherical tube 402, the grating 207 and the sliding groove 403 are matched with each other to use dispersible wires, so that the welding surface of the wires is enlarged, and the cold joint phenomenon is reduced.
Embodiment two:
referring to fig. 1-6, on the basis of the first embodiment, the welding device 2 includes a welding tube 201, a feeding groove 202, a hopper 203, a conduit 204 and an external wire 205, wherein the welding tube 201 is fixedly installed inside the upper welding seat 1, heating wires are arranged on the inner wall of the welding tube 201, the inner diameter of the feeding groove 202 is larger than the outer diameter of the conduit 204, the conduit 204 penetrates through the welding tube 201, two ends of the external wire 205 are respectively connected with the outside and the heating wires, the feeding groove 202, the hopper 203 and the external wire 205 play roles in throwing tin material and forming tin liquid, and the conduit 204 plays a role in inserting wires.
Further, the welding device 2 further includes a molten tin pipe 208, a blocking ring 209, and a pressure spring 2010, the number of the molten tin pipes 208 is a plurality of and the molten tin pipes are distributed circularly around the welding pipe 201, two sides of the pressure spring 2010 are respectively fixedly connected with the welding pipe 201 and the blocking ring 209, and the blocking ring 208 and the pressure spring 2010 are matched for use, so that the outflow amount of molten tin can be controlled, and the phenomenon of excessive or insufficient molten tin can be avoided.
Embodiment III:
referring to fig. 1-6, on the basis of the first embodiment, the limiting device 6 includes a telescopic tube 601, a distance adjusting spring 602, a limiting groove 603, a connecting rod 604, a limiting ring 605, a limiting block 606, a turntable 607 and a bearing 608, wherein the telescopic tube 601 is fixedly connected with the base 5, the bearing 608 is fixedly connected with the lower welding seat 3, the number of the limiting grooves 603 is a plurality, the equidistant distribution is carried out on the inner wall of the telescopic tube 601, one side, away from the limiting ring 605, of the distance adjusting spring 602 is fixedly connected with the telescopic tube 601, the limiting block 606 can be clamped with the limiting groove 603 through the limiting ring 605, the connecting rod 604 and the turntable 607, the height of the distance adjusting device 6 can be fixed through the matching use of the limiting ring 605, the limiting block 606 and the limiting groove 603, and the height of the distance adjusting device 6 can be adjusted through the up-down sliding of the distance adjusting spring 602 and the connecting rod 604.
The working principle and the using flow of the invention are as follows: when the integrated conductor of the circuit breaker is not packaged, the integrated conductor is placed in the lower welding seat 3, pins of the integrated conductor are sleeved on the surface of a sleeve 401, the upper welding seat 1 is sealed on the upper surface of the lower welding seat 3, a grid 207 is connected with the inside of the chute 403 in a sliding mode, a wire penetrates through a conduit 204, the wire is distributed on the surface of the sleeve 401 under the sliding force of the surface of the spherical tube 402 and the umbrella-shaped structure of the grid 207, an external power supply is connected through an external connection 205 at the moment, a wire 201 is heated, the wire 202 and the limiting groove 603 are clamped, the integrated conductor is fixed, the integrated conductor is placed in the lower welding seat 3 when the integrated conductor of the circuit breaker is not packaged, the upper welding seat 1 is sealed on the upper surface of the lower welding seat 3, the grid 207 is connected with the inside of the chute 403 in a sliding mode, the wire penetrates through the conduit 204, the wire is connected with the surface of the chute 401 in a sliding mode under the umbrella-shaped structure of the grid 207, the external connection 205 is connected with the external connection power supply, the wire 201 is heated, the wire 208 is simultaneously connected with the chute 202 through the chute 203, the wire 208 is connected with the wire, the wire is extruded into the lower wire groove 208 through the chute 201, and the lower welding seat is pressed down, the wire is pressed into the chute 208, the integrated conductor is welded with the chute, and the integrated conductor is welded into the upper welding seat is pressed into the chute, and the integrated conductor is sealed into the upper welding seat through the upper welding seat, and the upper welding seat is pressed into the lower welding seat, and the upper welding seat is pressed into the lower welding seat and the lower wire is pressed into the umbrella.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a circuit breaker integrates packaging structure of conductor which characterized in that: including last welding seat (1), go up welding seat (1) inside and run through there is welding set (2), it is provided with welding seat (3) down to go up welding seat (1) one side, the inside coupling mechanism (4) that are provided with welding set (2) down welding seat (3), one side that goes up welding seat (1) was kept away from to lower welding seat (3) is provided with base (5), be provided with stop device (6) between base (5) and lower welding seat (3), coupling mechanism (4) include sleeve pipe (401), bulb tube (402), spout (403) and put thing ring (404), welding set (2) still include solid fixed ring (206) and grid (207), put thing ring (404) and lower welding seat (3) fixed connection, the quantity of grid (207) and the quantity phase-match of spout (403), grid (207) are circular distribution around solid fixed ring (206) fixed mounting at pipe (201) inner wall, bulb tube (208) maximum wire diameter and bulb tube (2010) and bulb tube (208) maximum diameter and wire device (2010) are still including welding set (209), the utility model provides a tin liquid pipe (208) quantity is a plurality of and around welding pipe (201) circular distribution, the both sides of pressure spring (2010) are respectively with welding pipe (201) and jam ring (209) fixed connection, stop device (6) are including flexible pipe (601), roll adjustment spring (602), spacing groove (603), connecting rod (604), spacing ring (605), stopper (606), carousel (607) and bearing (608), flexible pipe (601) and base (5) fixed connection, bearing (608) and lower welding seat (3) fixed connection, the quantity of spacing groove (603) is a plurality of and at flexible pipe (601) inner wall equidistance distribution, one side and flexible pipe (601) fixed connection of spacing ring (605) are kept away from to roll adjustment spring (602), stopper (606) accessible spacing ring (605), connecting rod (604) and carousel (607) joint.
2. The circuit breaker integrated conductor packaging structure of claim 1, wherein: welding set (2) are including welded tube (201), feed chute (202), hopper (203), conduit (204) and external electric wire (205), inside and the welded tube (201) inner wall of welded tube (201) fixed mounting at last welded seat (1) laid the heater strip, feed chute (202) internal diameter size is greater than conduit (204) external diameter size, conduit (204) run through welded tube (201), the both ends of external electric wire (205) are connected with external and heater strip electric wire respectively.
3. A method for packaging an integrated circuit breaker conductor, comprising the structure for packaging an integrated circuit breaker conductor according to claim 2, further comprising the following steps:
s1, placing the device on a seat surface through a base (5), when the condition of uneven seat surface is met, twisting a turntable (607) to drive a connecting rod (604) and a limiting ring (605) to rotate, so that a limiting block (606) slides out of a limiting groove (603), at the moment, the connecting rod (604) can slide up and down under the elasticity of a distance-adjusting spring (602) to adjust the inclination angle of the device, and after the angle adjustment is finished, rotating the turntable (607) again to clamp the limiting block (606) with the limiting groove (603), so as to fix the device;
s2, when the integrated conductor of the circuit breaker is not packaged, placing the integrated conductor in a lower welding seat, sleeving pins of the integrated conductor on the surface of a sleeve (401), sealing an upper welding seat (1) on the upper surface of a lower welding seat (3) at the moment, enabling a grid (207) to slide into a chute (403), enabling a wire to pass through a wire conduit (204) at the moment, and dispersing the wire under the sliding force of the surface of a spherical pipe (402) and the umbrella-shaped structure of the grid (207) on the surface of the sleeve (401);
s3, connecting an external power supply through an external electric wire (205) to heat the heating wire in the welding pipe (201), simultaneously adding tin bars into the welding pipe (201) through the hopper (203) and the feeding groove (202), forming molten tin under the heating of the heating wire, extruding the upper welding seat (1) by force at the moment until the welding pipe (201) is overlapped with the sleeve (401), extruding the pressure spring (2010) inwards by the blocking ring (209) under the action of pressure, conducting the molten tin pipe (208), and passing the molten tin through the molten tin pipe (208)
The lead and the integrated conductor pin are welded, when the welding is finished, the upper welding seat (1) is pulled upwards,
the split grille (207) is separated from the chute (403) and the wire can be withdrawn through the conduit (204),
the encapsulation of the integrated conductor of the circuit breaker can be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236287.4A CN114038712B (en) | 2021-10-22 | 2021-10-22 | Packaging structure and packaging method of integrated conductor of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236287.4A CN114038712B (en) | 2021-10-22 | 2021-10-22 | Packaging structure and packaging method of integrated conductor of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114038712A CN114038712A (en) | 2022-02-11 |
| CN114038712B true CN114038712B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111236287.4A Active CN114038712B (en) | 2021-10-22 | 2021-10-22 | Packaging structure and packaging method of integrated conductor of circuit breaker |
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| CN (1) | CN114038712B (en) |
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| CN201699500U (en) * | 2010-04-26 | 2011-01-05 | 天津赛瑞机器设备有限公司 | End-to-end joint sleeve of threading winding type motor |
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| CN212083790U (en) * | 2020-06-18 | 2020-12-04 | 余姚市恒光塑料配件有限公司 | Spacer ring with adjusting mechanism for wide-angle lens barrel |
| CN213916822U (en) * | 2020-09-26 | 2021-08-10 | 谢巍巍 | Clamp for processing electronic product |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009041255B3 (en) * | 2009-09-11 | 2011-02-24 | Asm Automation Sensorik Messtechnik Gmbh | Longitudinal water barrier for electrical cables |
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2021
- 2021-10-22 CN CN202111236287.4A patent/CN114038712B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699500U (en) * | 2010-04-26 | 2011-01-05 | 天津赛瑞机器设备有限公司 | End-to-end joint sleeve of threading winding type motor |
| CN206241421U (en) * | 2016-12-07 | 2017-06-13 | 温州大学瓯江学院 | A kind of electric iron of adjustable soldering tin amount |
| CN207606376U (en) * | 2017-12-22 | 2018-07-13 | 东莞市鼎之丰电业科技有限公司 | A kind of automatic soldering robot iron head |
| CN210245395U (en) * | 2019-09-19 | 2020-04-03 | 苏州阿海珐电气有限公司 | Two opening distance circuit breaker structures |
| CN212083790U (en) * | 2020-06-18 | 2020-12-04 | 余姚市恒光塑料配件有限公司 | Spacer ring with adjusting mechanism for wide-angle lens barrel |
| CN213916822U (en) * | 2020-09-26 | 2021-08-10 | 谢巍巍 | Clamp for processing electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114038712A (en) | 2022-02-11 |
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