CN107248469B - Locking spring component and rotary isolating switch - Google Patents
Locking spring component and rotary isolating switch Download PDFInfo
- Publication number
- CN107248469B CN107248469B CN201710517786.8A CN201710517786A CN107248469B CN 107248469 B CN107248469 B CN 107248469B CN 201710517786 A CN201710517786 A CN 201710517786A CN 107248469 B CN107248469 B CN 107248469B
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- hole
- locking spring
- spring member
- positioning hole
- mandrel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
Abstract
The invention relates to a locking spring component and a rotary isolating switch. The locking spring member includes: the annular component is provided with a through hole and a gap extending along the radial direction of the through hole, and the gap is communicated with the through hole; the mandrel connecting piece comprises a fixing portion and an installation portion which are connected with each other, the mandrel connecting piece is connected with the annular component through the fixing portion, the installation portion is arranged in the through hole and comprises a disc body and more than two mandrel matching protrusions, a positioning hole is formed in the disc body, the axis of the positioning hole coincides with or is parallel to the axis of the through hole, and the more than two mandrel matching protrusions surround the positioning hole, are arranged at intervals and are axially extended along the positioning hole from the edge, adjacent to the positioning hole, of the disc body. The locking spring component has a simple structure, and the number of the structural components is small, so that the integral strength is improved, the load impact bearing capacity can be improved, and the locking spring component is not easy to damage.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a locking spring component and a rotary isolating switch.
Background
The rotary isolating switch is used for preventing or allowing current to flow in the power-on state, so that the part of the power distribution device needing power failure is reliably isolated from the electrified part. Rotary disconnectors are widely used in power systems. In particular, in photovoltaic systems where the smaller currents generated in each photovoltaic cell are combined in parallel to provide the current or total power required by the utilization system, the objective of individually isolating, protecting and disconnecting each photovoltaic cell can be achieved with a rotary isolating switch.
A locking spring component is arranged in a control mechanism of the rotary isolating switch. During the operation of the control mechanism of the rotary isolating switch, the locking spring component needs to bear the impact force. The construction of the locking spring member imposes high demands. The structure of the existing locking spring component is complex, and the existing locking spring component is easy to damage after being used for a short time, so that the rotary isolating switch can not work normally.
Disclosure of Invention
The embodiment of the invention provides a locking spring member which is simple in structure and small in number of structural parts, so that the integral strength is improved, the load impact bearing capacity can be improved, and the locking spring member is not easy to damage.
In one aspect, an embodiment of the present invention provides a locking spring member for a rotary isolating switch control mechanism, including: the annular component is provided with a through hole and a gap extending along the radial direction of the through hole, and the gap is communicated with the through hole; the mandrel connecting piece comprises a fixing portion and an installation portion which are connected with each other, the mandrel connecting piece is connected with the annular component through the fixing portion, the installation portion is arranged in the through hole and comprises a disc body and more than two mandrel matching protrusions, a positioning hole is formed in the disc body, the axis of the positioning hole coincides with or is parallel to the axis of the through hole, and the more than two mandrel matching protrusions surround the positioning hole, are arranged at intervals and are axially extended along the positioning hole from the edge, adjacent to the positioning hole, of the disc body.
According to an aspect of the embodiment of the present invention, each of the mandrel engaging protrusions has a plate-like structure, and the mandrel engaging protrusions include a radially extending plate extending in a radial direction of the positioning hole, and an axially extending plate extending in an axial direction of the positioning hole, and the axially extending plate is connected to a wall of the positioning hole through the radially extending plate.
According to an aspect of the embodiment of the present invention, the cross-sectional contour lines of the inner side surfaces of the axial extension plates facing the positioning hole are straight lines, and the extension lines of the inner side surface contour lines of the cross sections of all the axial extension plates intersect to form a polygon.
According to an aspect of the embodiment of the present invention, the cross-sectional contour line of the outer side surface of the axial extension plate facing away from the positioning hole is a circular arc, the center of the circular arc is located on the axis of the positioning hole, and the extension lines of the outer side surface contour lines of the cross sections of all the axial extension plates form a circle.
According to an aspect of the embodiment of the present invention, an outer side surface of the axial extension plate facing away from the positioning hole includes a first cylindrical surface, a plane, and a second cylindrical surface that are sequentially connected in a circumferential direction, and the first cylindrical surface is coaxial with the second cylindrical surface.
According to an aspect of the embodiment of the present invention, the two or more mandrel fitting protrusions are uniformly arranged along the circumferential direction of the positioning hole.
According to an aspect of the embodiment of the invention, the mandrel connecting piece is integrally formed, and the annular part and the mandrel connecting piece are made of metal materials.
A locking spring member is provided according to an embodiment of the present invention that includes a ring component and a spindle attachment fixedly attached to each other. The mandrel connecting piece is simple in structure, the number of structural parts included by the mandrel connecting piece is small, the integral strength is improved, the load impact bearing capacity can be improved, and the mandrel connecting piece is not easy to damage.
In another aspect, embodiments of the present invention provide a rotary isolating switch, which includes the above-mentioned locking spring member.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is an exploded schematic view of a partial structure of a rotary isolating switch according to an embodiment of the present invention.
Fig. 2 is a front view structural diagram of a locking spring member according to an embodiment of the present invention.
Fig. 3 is a schematic view of a reverse perspective view of a locking spring member according to an embodiment of the present invention.
Fig. 4 is a schematic top view of a locking spring member according to an embodiment of the present invention.
Fig. 5 is a front view structural schematic diagram of a locking spring member according to another embodiment of the present invention.
Fig. 6 is a front view structural schematic diagram of a locking spring member according to yet another embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the described embodiments.
In the description of the present invention, it is to be noted that, unless otherwise specified, the terms "first" and "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; "plurality" means two or more; the terms "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the rotary isolating switch according to the embodiment of the present invention includes a housing 1, a core shaft (not shown) disposed in the housing 1, a cover 2 engaged with the housing 1, a rotating shaft 3 disposed on the cover 2, and a control mechanism disposed between the cover 2 and the housing 1. The control mechanism of the present embodiment includes a rotation operating member 5, a rotation spring 6, and a lock spring member 7. The housing 1 of the present embodiment has a cylindrical receiving hole 4, one end of the spindle is disposed in the receiving hole 4, and the axis of the spindle coincides with the axis of the receiving hole 4. The locking spring member 7 of the present embodiment is used to rotate the control mechanism of the disconnector. The locking spring member 7 of the present embodiment is rotatably disposed in the receiving hole 4 about the axis of the receiving hole 4, and is connected to the spindle. When the rotating shaft 3 of the cover 2 is rotated, the rotating shaft 3 drives the rotating operation member 5, the rotating spring 6 and the locking spring member 7 to rotate, and then the locking spring member 7 drives the core shaft to rotate.
As shown in fig. 2 and 3, the locking spring member 7 of the present embodiment includes a ring member 8 and a spindle connection 9. The ring member 8 of the present embodiment includes a through hole 81 and a notch 82 extending in a radial direction of the through hole 81, wherein the notch 82 communicates with the through hole 81. The through-hole 81 of the present embodiment has a circular cross-section. The annular part 8 of this embodiment comprises two bent free ends forming the above-mentioned notches 82. The two bent free end portions are located on the same side of the annular member 8 and extend in the axial direction of the through hole 81. The mandrel connection 9 of the present embodiment comprises a fixing portion 9a and a mounting portion 9b which are connected to each other, for example by riveting, welding, screwing or bolting. The mandrel coupler 9 is connected to the ring member 8 via a fixing portion 9 a. In this embodiment, as shown in fig. 3, the fixing portion 9a is connected to a portion of the ring member 8 opposite to the notch 82. The fixing part 9a of the embodiment is riveted and connected with the annular component 8 through two rivets, and the connection mode is simple, efficient, firm and reliable. The mounting portion 9b is provided in the through hole 81. The mounting portion 9b includes a disk body 90 and two or more spindle engaging projections. The tray body 90 is provided with a positioning hole 91. The axis of the positioning hole 91 coincides with or is parallel to the axis of the through hole 81. The two or more mandrel engaging protrusions 92 surround the positioning hole 91, are arranged at intervals from each other, and extend in the axial direction of the positioning hole 91 from the edge of the disk body 90 adjacent to the positioning hole 91, which is adjacent to the positioning hole 91. The ends of the mandrels in the receiving holes 4 of the housing 1 can be inserted into the spaces surrounded by the mandrel fitting projections 92 to complete the plug-fit with each other. The end of the mandrel in the accommodating hole 4 of the shell 1 is in transition fit or interference fit with the mandrel matching protrusion 92, so that the stability of connection between the mandrel and the accommodating hole 4 and the rotation synchronism between the mandrel and the accommodating hole can be ensured.
The lock spring member 7 of the present embodiment is coupled and fitted to the spindle by the mounting portion 9b, and can transmit a rotational torque to the spindle portion through the mounting portion 9 b. The locking spring member 7 of this embodiment is simple in structure, and the number of structural members included is small, so that the overall strength is improved, and the load impact bearing capacity can be improved. The mounting portion 9b of the lock spring member 7 of the present embodiment is simple in structure, and is more securely and reliably coupled to the end of the spindle. Because do not have the clearance after the grafting cooperation between the tip of installation department 9b and dabber to can guarantee locking spring component 7 and dabber synchronous rotation, avoid appearing rotating asynchronous and lead to locking spring component 7 to receive the condition that the load strikeed between locking spring component 7 and the dabber, and then guarantee locking spring component 7 transmission stability, prolong locking spring component 7's life.
As shown in fig. 2, the mandrel engaging projection 92 of the present embodiment is of a plate-like structure. The mandrel engagement projection 92 includes a radially extending plate 92a and an axially extending plate 92 b. The radially extending plate 92a extends in the radial direction of the positioning hole 91. The axial extension plate 92b extends in the axial direction of the positioning hole 91. The axially extending plate 92b is connected to the hole wall of the positioning hole 91 through the radially extending plate 92 a. The end of the spindle in the receiving hole 4 of the housing 1 can be inserted into a space surrounded by the axially extending plate 92b of the spindle fitting projection 92 to complete the plug-fit with each other. The structure of the mandrel matching protrusion 92 can improve the strength of the mandrel matching protrusion, improve the bearing capacity, and in addition, the structure is convenient for the integral processing and manufacturing of the mandrel connecting piece 9, for example, the mandrel connecting piece 9 with the mandrel matching protrusion 92 can be processed and manufactured in a large batch and integral forming mode in a stamping or casting mode, and the production efficiency is high.
As shown in fig. 2, the mounting portion 9b of the present embodiment includes an axially extending plate 92b of each spindle engaging projection 92 that includes an inner side surface 93 facing the positioning hole 91 and an outer side surface 94 facing away from the positioning hole 91. After the axial extension plate 92b of the mandrel matching protrusion 92 is in plug-in fit with the end of the mandrel, the inner side surface 93 of the axial extension plate 92b can be attached to the outer peripheral surface of the end of the mandrel, so that the connection stability of the mandrel matching protrusion 92 and the mandrel is improved. The housing 1 of the present embodiment further includes a limiting hole (not shown) coaxially disposed and communicated with the receiving hole 4. The limiting hole of the embodiment is cylindrical. The axially extending plate 92b of the mandrel engaging projection 92 can be inserted into the limiting hole such that the outer side surface 94 of the axially extending plate 92b engages the wall of the limiting hole.
As shown in fig. 4, the contour lines of the inner side surfaces 93 of the cross sections of the axially extending plates 92b of the present embodiment are straight lines, and the extension lines of the contour lines of the inner side surfaces 93 of the cross sections of all the axially extending plates 92b intersect to form a polygon having a number of sides greater than three. Preferably, the polygon is a regular polygon, such as a regular triangle, a square, a regular pentagon, and the like. Preferably, extensions of contour lines of the inner side surfaces 93 of the cross sections of all the axially extending plates 92b of the present embodiment intersect to form a regular quadrangle. The end of the mandrel is conveniently fitted as it is generally substantially square in cross-section.
When the lock spring member 7 is rotated, the axially extending plate 92b is rotated in the circumferential direction of the stopper hole relative to the stopper hole. In one embodiment, the contour line of the outer side surface 94 of the cross section of the axially extending plate 92b is a circular arc, and the extension lines of the contour lines of the outer side surface 94 of the cross section of all the axially extending plates 92b form a circle. The outer side surface 94 of the axial extension plate 92b is in contact fit with the hole wall of the limiting hole, so that the axial extension plate 92b is limited by the limiting hole, and contact areas are formed between the outer side surface 94 of the axial extension plate 92b and the hole wall of the limiting hole in the circumferential direction, so that the axial extension plate 92b is stressed in a balanced manner in the rotating process, the influence of extra impact load on the locking spring member 7 in the rotating process is reduced, and the stability of the locking spring member 7 in the rotating process is improved.
In one embodiment, as shown in fig. 1 and 4, the outer side surface 94 of the axially extending plate 92b includes a first cylindrical surface 941, a plane surface 942, and a second cylindrical surface 943 sequentially connected in the circumferential direction, and the first cylindrical surface 941 is coaxial with the second cylindrical surface 943 and coaxial with the positioning hole 91. The first cylindrical surface 941 and the second cylindrical surface 943 of all the axially extending plates 92b are coaxially disposed, so as to ensure that all the first cylindrical surfaces 941 and the second cylindrical surfaces 943 are located on the same cylindrical surface. When the axially extending plate 92b of the mandrel engaging protrusion 92 is inserted into the limiting hole, the first cylindrical surface 941 and the second cylindrical surface 943 of the outer side surface 94 of the axially extending plate 92b are in contact fit with the hole wall of the limiting hole, and a gap is formed between the plane 942 of the outer side surface 94 of the axially extending plate 92b and the hole wall of the limiting hole. Like this, the area of contact of the outside surface 94 of axial extension board 92b and the pore wall of the spacing hole on the shell 1 can diminish, thereby under the restriction effect prerequisite that the outside surface 94 of guaranteeing axial extension board 92b receives the spacing hole, can reduce the frictional resistance between the outside surface 94 of axial extension board 92b and the pore wall of spacing hole, be favorable to reducing the required turning force of drive locking spring member 7, avoid locking spring member 7 to rotate the in-process and appear the pause and hinder the condition, promote the stationarity of locking spring member 7 rotation process.
The axially extending plate 92b of the present embodiment is provided with a recess 944 on an outer side surface 94 facing away from the positioning hole 91. The contact area between the outer surface 94 of the axial extension plate 92b with the groove 944 and the hole wall of the limiting hole in the housing 1 is reduced, so that on the premise that the outer surface 94 of the axial extension plate 92b is limited by the limiting hole, the frictional resistance between the outer surface 94 of the axial extension plate 92b and the hole wall of the limiting hole can be reduced, the required rotating force for driving the locking spring member 7 is favorably reduced, the situation of pause and contusion in the rotating process of the locking spring member 7 is avoided, and the stability of the rotating process of the locking spring member 7 is improved.
In one embodiment, as shown in fig. 5, a groove 944 is provided on the outer side surface 94 of the axially extending plate 92b and extends in the circumferential direction of the positioning hole 91. Further, the groove 944 extends circumferentially through the entire outboard surface 94 of the axially extending plate 92 b. Preferably, a plurality of grooves 944 are provided on the outer side surface 94 of the axially extending plate 92b at intervals in the axial direction of the positioning hole 91 to further reduce the frictional resistance between the outer side surface 94 of the axially extending plate 92b and the hole wall of the stopper hole.
In another embodiment, as shown in fig. 6, the axially extending plate 92b of each mandrel mating protrusion 92 includes a top portion and a bottom portion. The axially extending plate 92b is connected to the radially extending plate 92a by a bottom portion and a top portion remote from the radially extending plate 92 a. The groove 944 is provided on the outer side surface 94 of the axially extending plate 92b, and extends from the top toward the bottom in the axial direction of the positioning hole 91. Further, a groove 944 is provided at an intermediate position of the axially extending plate 92b in the circumferential direction of the positioning hole 91. Preferably, a plurality of grooves 944 are provided on the outer side surface 94 of the axially extending plate 92b at intervals in the circumferential direction of the positioning hole 91, further reducing the frictional resistance between the outer side surface 94 of the axially extending plate 92b and the hole wall of the stopper hole.
The two or more mandrel fitting projections 92 of the present embodiment are uniformly provided along the circumferential direction of the positioning hole 91. Therefore, on one hand, the mounting part 9b is convenient to process and manufacture, and the production efficiency is improved; on the other hand, every dabber cooperation arch 92 atress in the dabber cooperation arch 92 that circumference evenly set up is more even, and the impact load who bears is more balanced, is favorable to promoting the stationarity of locking spring member 7 rotation process, avoids locking spring member 7 premature emergence damage, extension locking spring member 7's life.
The mandrel connecting piece 9 of this embodiment is an integrated part to improve the bulk strength of the locking spring member 7, promote the impact load bearing capacity of the locking spring member 7, be difficult for deformation and damage, and then prolong the service life of the locking spring member 7, and ensure that the rotary isolating switch with the locking spring member 7 of this embodiment can normally work for a long time. The material of the ring member 8 and the mandrel coupler 9 of the present embodiment is a metal material, such as steel or aluminum alloy. The annular member 8 and the mandrel coupler 9 manufactured by machining from a metallic material are higher in strength. The integrally formed mandrel coupler 9 of this embodiment can be manufactured by a stamping or casting process. The processing technology is simple and low in difficulty, so that the production technology of the mandrel connecting piece 9 is simplified, the production procedures are reduced, the production efficiency of the mandrel connecting piece 9 is improved, and the labor and material costs are reduced.
The ring member 8 of the present embodiment is a plate-like member. The mandrel coupler 9 of the present embodiment is a plate-like member as a whole except for the mandrel fitting projection 92.
The locking spring member 7 of the present embodiment comprises an interconnected annular part 8 and a spindle connection 9. The mandrel connecting piece 9 is provided with a positioning hole 91 and a mandrel matching protrusion 92 which are used for being connected and matched with a mandrel, and the rotating torque is transmitted through the mandrel matching protrusion 92, so that the transmission process is stable. The locking spring member 7 is simple in overall structure and high in strength, so that the bearing capacity can be improved, the damage degree caused by extra load impact is reduced, the service life of the locking spring member 7 is prolonged, and the rotary isolating switch can work normally for a long time.
The invention also relates to a rotary isolating switch. The rotary disconnector according to the present embodiment comprises the locking spring member 7 described above. The rotary isolating switch of the embodiment is labor-saving and simple and convenient to operate. Because the locking spring member 7 has good bearing performance, the rotary isolating switch of the embodiment can keep a long-term normal working state, and the reliability and the working stability of the rotary isolating switch are improved.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A locking spring member for a rotary isolating switch control mechanism, comprising:
the annular component is provided with a through hole and a notch extending along the radial direction of the through hole, and the notch is communicated with the through hole;
dabber connecting piece, fixed part and installation department including interconnect, the dabber connecting piece passes through the fixed part with annular part is connected, the installation department set up in the through-hole, the installation department includes that disk body and dabber cooperation more than two are protruding, be provided with the locating hole on the disk body, the axis of locating hole with the axis coincidence of through-hole or parallel, dabber cooperation more than two is protruding center on the locating hole, mutual interval set up and by the disk body with the edge that the locating hole is adjacent is followed the axial extension of locating hole.
2. The lock spring member according to claim 1, wherein each of the spindle engaging projections is a plate-like structure, and includes a radially extending plate extending in a radial direction of the positioning hole and an axially extending plate extending in an axial direction of the positioning hole, the axially extending plate being connected to a hole wall of the positioning hole through the radially extending plate.
3. The lock spring member according to claim 2, wherein cross-sectional contour lines of inner side surfaces of the axial extension plates, which face the positioning hole, are straight lines, and extension lines of inner side surface contour lines of cross-sections of all the axial extension plates intersect to form a polygon.
4. A locking spring member according to claim 2, wherein the cross-sectional contour line of the outer side surface of the axially extending plate facing away from the positioning hole is a circular arc having a center located on the axis of the positioning hole, and the extension lines of the outer side surface contour lines of the cross-sections of all the axially extending plates form a circular shape.
5. The locking spring member of claim 2, wherein the outer surface of the axially extending plate facing away from the positioning hole comprises a first cylindrical surface, a flat surface, and a second cylindrical surface connected in series in the circumferential direction, the first cylindrical surface being coaxial with the second cylindrical surface.
6. The locking spring member of claim 1, wherein the two or more mandrel engaging projections are evenly arranged along a circumferential direction of the positioning hole.
7. A locking spring member according to any one of claims 1 to 6 wherein the mandrel coupler is integrally formed and the annular component and the mandrel coupler are both of a metallic material.
8. A rotary disconnector, characterized in that it comprises a locking spring member according to any one of claims 1 to 7.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517786.8A CN107248469B (en) | 2017-06-29 | 2017-06-29 | Locking spring component and rotary isolating switch |
| PCT/CN2018/092416 WO2019001365A1 (en) | 2017-06-29 | 2018-06-22 | Locking spring member and rotary isolating switch |
| BR112019000734-2A BR112019000734A2 (en) | 2017-06-29 | 2018-06-22 | locking spring element and rotary isolation switch |
| SA518400750A SA518400750B1 (en) | 2017-06-29 | 2018-12-25 | Locking Spring Member and Rotary Isolating Switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517786.8A CN107248469B (en) | 2017-06-29 | 2017-06-29 | Locking spring component and rotary isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107248469A CN107248469A (en) | 2017-10-13 |
| CN107248469B true CN107248469B (en) | 2020-03-13 |
Family
ID=60013684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710517786.8A Active CN107248469B (en) | 2017-06-29 | 2017-06-29 | Locking spring component and rotary isolating switch |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN107248469B (en) |
| BR (1) | BR112019000734A2 (en) |
| SA (1) | SA518400750B1 (en) |
| WO (1) | WO2019001365A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248469B (en) * | 2017-06-29 | 2020-03-13 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolating switch |
| CN108417430A (en) * | 2018-05-03 | 2018-08-17 | 上海舒森电子科技有限公司 | Electric switch operating mechanism and electrical rotary switch |
| CN108630481A (en) * | 2018-05-03 | 2018-10-09 | 上海舒森电子科技有限公司 | Shell, electric switch operating mechanism and the electrical rotary switch of electric switch |
| CN117316688B (en) * | 2023-09-08 | 2024-04-12 | 浙江金莱勒电气有限公司 | Production method for locking spring piece for production of isolating switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037532A (en) * | 2008-04-01 | 2011-04-27 | 埃瓦克控股有限公司 | Electrical rotary switch |
| CN105742107A (en) * | 2016-04-08 | 2016-07-06 | 首瑞（天津）电气设备有限公司 | Contact module for rotary disconnecting switch and rotary disconnecting switch |
| CN106057545A (en) * | 2016-06-23 | 2016-10-26 | 常熟开关制造有限公司(原常熟开关厂） | Rotary switch operation mechanism |
| CN206018944U (en) * | 2016-08-26 | 2017-03-15 | 珠海格力电器股份有限公司 | Relatively turnable shaft hole matching structure, sweep wind mechanism and air-conditioner |
| CN207398004U (en) * | 2017-06-29 | 2018-05-22 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolation switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1925209A1 (en) * | 1968-09-30 | 1970-04-16 | Ers Ce S D F Di Mario Rubagott | Electric rotary switch |
| CN107248469B (en) * | 2017-06-29 | 2020-03-13 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolating switch |
-
2017
- 2017-06-29 CN CN201710517786.8A patent/CN107248469B/en active Active
-
2018
- 2018-06-22 BR BR112019000734-2A patent/BR112019000734A2/en not_active Application Discontinuation
- 2018-06-22 WO PCT/CN2018/092416 patent/WO2019001365A1/en active Application Filing
- 2018-12-25 SA SA518400750A patent/SA518400750B1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037532A (en) * | 2008-04-01 | 2011-04-27 | 埃瓦克控股有限公司 | Electrical rotary switch |
| CN105742107A (en) * | 2016-04-08 | 2016-07-06 | 首瑞（天津）电气设备有限公司 | Contact module for rotary disconnecting switch and rotary disconnecting switch |
| CN106057545A (en) * | 2016-06-23 | 2016-10-26 | 常熟开关制造有限公司(原常熟开关厂） | Rotary switch operation mechanism |
| CN206018944U (en) * | 2016-08-26 | 2017-03-15 | 珠海格力电器股份有限公司 | Relatively turnable shaft hole matching structure, sweep wind mechanism and air-conditioner |
| CN207398004U (en) * | 2017-06-29 | 2018-05-22 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolation switch |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112019000734A2 (en) | 2019-05-07 |
| CN107248469A (en) | 2017-10-13 |
| SA518400750B1 (en) | 2021-05-18 |
| WO2019001365A1 (en) | 2019-01-03 |
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