CN207398004U - Locking spring component and rotary isolation switch - Google Patents
Locking spring component and rotary isolation switch Download PDFInfo
- Publication number
- CN207398004U CN207398004U CN201720776618.6U CN201720776618U CN207398004U CN 207398004 U CN207398004 U CN 207398004U CN 201720776618 U CN201720776618 U CN 201720776618U CN 207398004 U CN207398004 U CN 207398004U
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- China
- Prior art keywords
- hole
- axially extending
- locking spring
- mandrel
- spring component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of locking spring component and rotary isolation switch.Locking spring component includes：Annular element, has through hole and the notch radially extended along through hole, and notch is connected with through hole；Mandrel connector, fixed part and mounting portion including interconnection, mandrel connector is connected by fixed part with annular element, mounting portion is arranged in through hole, mounting portion includes disk body and more than two mandrel fitting projections, location hole is provided on disk body, the axis of the axis of location hole and through hole overlaps or parallel, more than two mandrel fitting projections are around location hole, spaced setting, also, more than two mandrel fitting projections by the edge adjacent with location hole of disk body, along the axially extending of location hole.The utility model locking spring component, it is simple in structure, including structural member quantity it is few, so as to improve whole self-strength, can be promoted and bear load impacting ability, be not susceptible to damage.
Description
Technical field
The utility model is related to technical field of electric equipment, and in particular to a kind of locking spring component and rotation are kept apart
It closes.
Background technology
Rotary isolation switch is for prevention in the energized state or allows electric current flowing so that needs to have a power failure in power distribution equipment
Part reliably isolate with live part.Rotary isolation switch is widely used in electric system.In particular, in photovoltaic system
In system, the smaller electric current that is generated in each photovoltaic cell combined in parallel so as to the electric current needed for being provided using system or
General power can then realize the purpose for individually isolating, protecting and disconnecting each photovoltaic cell using rotary isolation switch.
Locking spring component is provided in the control mechanism of rotary isolation switch.The control mechanism work of rotary isolation switch
In the process, locking spring component needs to absorb impact power.Very high requirement is proposed to the structure of locking spring component.Existing lock
The structure of tight spring member is complex, is easily damaged after the short period is used, causes rotary isolation switch can not be just
Often work.
Utility model content
The utility model embodiment provides a kind of locking spring component, simple in structure, including structural member quantity it is few, so as to
Whole self-strength is improved, can be promoted and bear load impacting ability, is not susceptible to damage.
On the one hand, the utility model embodiment proposes a kind of locking spring structure for rotary isolation switch control mechanism
Part, including：Annular element, has through hole and the notch radially extended along through hole, and notch is connected with through hole；Mandrel connects
Fitting, fixed part and mounting portion including interconnection, mandrel connector are connected by fixed part with annular element, mounting portion
It is arranged in through hole, mounting portion includes disk body and more than two mandrel fitting projections, and location hole, location hole are provided on disk body
The axis of axis and through hole overlap or parallel, more than two mandrel fitting projections around location hole, spaced setting, and
And more than two mandrel fitting projections by the edge adjacent with location hole of disk body along the axially extending of location hole.
According to the one side of the utility model embodiment, each mandrel fitting projection is platy structure, and each mandrel is matched somebody with somebody
Closing protrusion includes radially extending plate and axially extending plate, radially extends plate radially extending along location hole, axially extending plate edge
Location hole it is axially extending, axially extending plate is connected by radially extending plate with the hole wall of location hole.
According to the one side of the utility model embodiment, on axially extending plate towards location hole inner surface it is transversal
Facial contour line is straight line, and the extended line of the inner surface contour line of the cross section of all axially extending plates is crossed to form polygon.
According to the one side of the utility model embodiment, on axially extending plate backwards to location hole outer surface it is transversal
Facial contour line is circular arc, and the center of circle of circular arc is located on the axis of location hole, the outer surface of the cross section of all axially extending plates
The extended line of contour line forms circle.
According to the one side of the utility model embodiment, the outer surface on axially extending plate backwards to location hole includes edge
Sequentially connected first cylindrical surface of circumferential direction, plane and the second cylindrical surface, the first cylindrical surface and the second cylindrical surface are coaxial.
According to the one side of the utility model embodiment, more than two mandrel fitting projections are equal along the circumferential direction of location hole
Even setting.
According to the one side of the utility model embodiment, mandrel connector is integrally formed, and annular element connects with mandrel
The material of fitting is metal material.
According to the locking spring component that the utility model embodiment provides, include the annular element that is mutually permanently connected with
Mandrel connector.Mandrel connecting-piece structure is simple, and the structural member quantity itself included is few, strong so as to improve whole itself
Degree, can be promoted and bear load impacting ability, be not susceptible to damage.
On the other hand, the utility model embodiment provides a kind of rotary isolation switch, including above-mentioned locking spring
Component.
Description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the decomposition texture schematic diagram of the part-structure of the rotary isolation switch of the utility model embodiment.
Fig. 2 is the front viewing angle constructions schematic diagram of the locking spring component of one embodiment of the utility model.
Fig. 3 is the reverse side viewing angle constructions schematic diagram of the locking spring component of one embodiment of the utility model.
Fig. 4 is the overlooking the structure diagram of the locking spring component of the utility model embodiment.
Fig. 5 is the front viewing angle constructions schematic diagram of the locking spring component of another embodiment of the utility model.
Fig. 6 is the front viewing angle constructions schematic diagram of the locking spring component of another embodiment of the utility model.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to actual ratio.
Specific embodiment
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiment
The detailed description and the accompanying drawings be used to illustratively illustrate the principle of the utility model, but cannot be used for limiting the model of the utility model
It encloses, i.e., the utility model is not limited to described embodiment.
, it is necessary to which explanation, unless otherwise indicated, term " first " and " second " etc. are only in the description of the utility model
For descriptive purposes, and it is not intended that instruction or hint relative importance；" multiple " are meant that two or more；Art
The orientation or position relationship of the instructions such as language " interior ", " outer ", " top ", " bottom " are to be closed based on orientation shown in the drawings or position
System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
As shown in Figure 1, the rotary isolation switch of the utility model embodiment includes shell 1, the mandrel being arranged in shell 1
(not shown), with 1 matched cover 2 of shell, the rotation axis 3 that is arranged in cover 2 and being arranged at cover 2 and outer
Control mechanism between shell 1.The control mechanism of the present embodiment includes rotation process component 5, torsional spring 6 and locking spring structure
Part 7.The shell 1 of the present embodiment has a cylindrical container hole 4, and an end set of mandrel is in receiving hole 4, and the axis of mandrel
Line is overlapped with the axis of receiving hole 4.The locking spring component 7 of the utility model embodiment is used for the control of rotary isolation switch
Mechanism.The axis that the locking spring component 7 of the present embodiment can surround receiving hole 4 is rotatably arranged in receiving hole 4, and and core
Axis is connected.During rotation axis 3 on rotating cover 2, rotation axis 3 can drive rotation process component 5, torsional spring 6 and locking
Spring member 7 rotates, and then locking spring component 7 can the rotation of band moving mandrel.
As shown in Figure 2 and Figure 3, the locking spring component 7 of the present embodiment includes annular element 8 and mandrel connector 9.This
The annular element 8 of embodiment includes through hole 81 and the notch 82 radially extended along through hole 81, wherein, notch 82 and through hole 81
It is connected.The circular in cross-section of the through hole 81 of the present embodiment.The annular element 8 of the present embodiment includes forming above-mentioned notch 82
The free end of two bendings.The free ends of two bendings are located at the same side of annular element 8, and along the axial direction of through hole 81
Extension.The mandrel connector 9 of the present embodiment includes the fixed part 9a being connected with each other and mounting portion 9b, such as by riveting, welding
It connects, screw or bolted mode realize connection.Mandrel connector 9 is connected by fixed part 9a with annular element 8.This
In embodiment, as shown in figure 3, fixed part 9a is connected with part opposite with notch 82 on annular element 8.The present embodiment
For fixed part 9a by two rivets and 8 riveting of annular element, connection mode is simple, efficient and solid and reliable.Mounting portion 9b
It is arranged in through hole 81.Mounting portion 9b includes disk body 90 and more than two mandrel fitting projections.Positioning is provided on disk body 90
Hole 91.The axis of the axis of location hole 91 and through hole 81 overlaps or parallel.More than two mandrel fitting projections 92 are around positioning
Hole 91, spaced setting, also, more than two mandrel fitting projections 92 by disk body 90 it is adjacent with location hole 91 with
The adjacent edge of location hole 91 is along the axially extending of location hole 91.The end that mandrel is located in 1 receiving hole 4 of shell is inserted into
Mandrel fitting projection 92 is mutual mating to complete in the space formed.Mandrel is located at the end in 1 receiving hole 4 of shell
Coordinate or be interference fitted for transition between portion and mandrel fitting projection 92, can ensure the stability connected between the two and two
Rotation synchronism between person.
The locking spring component 7 of the present embodiment is connected cooperation with mandrel by mounting portion 9b, and can pass through mounting portion 9b
Rotating torque is transferred to arbor portions.The locking spring component 7 of the present embodiment is simple in structure, including structural member quantity it is few,
So as to improve whole self-strength, it can be promoted and bear load impacting ability.The peace of the locking spring component 7 of the present embodiment
The structure of dress portion 9b is simple, and more solid and reliable with the connection cooperation of the end of mandrel.Due to the end of mounting portion 9b and mandrel
It is mating rear there is no gap between portion, so as to ensure that locking spring component 7 is rotated synchronously with mandrel, avoid locking bullet
Occur rotating situation asynchronous and that locking spring component 7 is caused to be subject to load impacting between spring component 7 and mandrel, and then ensure
7 transmission stability of locking spring component extends the service life of locking spring component 7.
As shown in Fig. 2, the mandrel fitting projection 92 of the present embodiment is platy structure.Mandrel fitting projection 92 includes radially prolonging
Stretch plate 92a and axially extending plate 92b.Radially extend plate 92a radially extending along location hole 91.Axially extending plate 92b is along calmly
Position hole 91 it is axially extending.Axially extending plate 92b is connected by radially extending plate 92a with the hole wall of location hole 91.Mandrel position
End in 1 receiving hole 4 of shell is inserted into the axially extending plate 92b of mandrel fitting projection 92 surrounding the space formed
It is interior mating between completion.The structure of above-mentioned mandrel fitting projection 92 can improve self-strength, promote carrying
Ability in addition, such structure also allows for the overall processing manufacture of mandrel connector 9, such as can pass through punching press or casting
Mode high-volume, the mandrel connector 9 for being integrally formed mandrel fitting projection 92 of the processing and manufacturing with said structure, production efficiency
It is high.
As shown in Fig. 2, the axially extending plate 92b bags for each mandrel fitting projection 92 that the mounting portion 9b of the present embodiment includes
Include the inner surface 93 towards location hole 91 and the outer surface 94 backwards to location hole 91.The axial direction of mandrel fitting projection 92 is prolonged
Stretch plate 92b and mandrel end it is mating after, the inner surface 93 of axially extending plate 92b can be with the periphery of the end of mandrel
Surface fits, and promotes mandrel fitting projection 92 and mandrel connective stability.The shell 1 of the present embodiment further includes and receiving hole 4
The limit hole (not shown) for being connected and being coaxially disposed.The limit hole of the present embodiment is cylinder.Mandrel fitting projection 92
Axially extending plate 92b be inserted into limit hole so that the outer surface 94 of axially extending plate 92b and the hole wall phase of limit hole
Cooperation.
As shown in figure 4,93 contour line of inner surface of the cross section of the axially extending plate 92b of the present embodiment is straight line, and
It is polygon more than three that the extended line of 93 contour line of inner surface of the cross section of all axially extending plate 92b is crossed to form side number
Shape.Preferably, above-mentioned polygon is regular polygon, such as equilateral triangle, square, regular pentagon etc..Preferably, the present embodiment
The extended line of 93 contour line of inner surface of cross section of all axially extending plate 92b be crossed to form square.Due to core
The cross section of the end of axis is usually substantially square, therefore conveniently the end with mandrel is coordinated.
When locking spring component 7 rotates, axially extending plate 92b can relative limit hole circumferentially rotating along limit hole.
In one embodiment, 94 contour line of outer surface of the cross section of axially extending plate 92b is circular arc, all axially extending plate 92b
The extended line of 94 contour line of outer surface of cross section form circle.The outer surface 94 and limit hole of axially extending plate 92b
Hole wall be in contact cooperation, so as to be limited due to axially extending plate 92b be subject to limit hole and the outside table of axially extending plate 92b
Face 94 and the hole wall of limit hole are each formed with contact area in circumferential direction, hence axially extending plate 92b rotation processes
Middle stress equalization, reduce locking spring component 7 is influenced in rotation process be subject to additional shock loading, improves locking bullet
The stationarity of 7 rotation process of spring component.
In one embodiment, as Figure 1 and Figure 4, the outer surface 94 of axially extending plate 92b is included along circumferential direction
Sequentially connected first cylindrical surface 941,942 and second cylindrical surface 943 of plane, the first cylindrical surface 941 and the second cylindrical surface
943 is coaxial and coaxial with location hole 91.The first cylindrical surface 941 of all axially extending plate 92b and the second cylindrical surface 943 are
Coaxial arrangement, so as to ensure the first all cylindrical surfaces 941 and the second cylindrical surface 943 all on same cylindrical surface.Work as core
When in the axially extending plate 92b insertion limit holes of axis fitting projection 92, the first cylinder of the outer surface 94 of axially extending plate 92b
941 and second cylindrical surface 943 of face and the hole wall of limit hole are engaged, the plane 942 of the outer surface 94 of axially extending plate 92b
Gap is formed with the hole wall of limit hole.In this way, the hole of the outer surface 94 of axially extending plate 92b and the limit hole on shell 1
The contact area of wall can become smaller, before being subject to the restriction effect of limit hole in the outer surface 94 for ensureing axially extending plate 92b
It puts, the frictional resistance between the outer surface 94 of axially extending plate 92b and the hole wall of limit hole can be reduced, advantageously reduced
The rotatory force needed for locking spring component 7 is driven, avoids occurring pause and transition in rhythm or melody situation in 7 rotation process of locking spring component, promotes lock
The stationarity of 7 rotation process of tight spring member.
On the axially extending plate 92b of the utility model embodiment backwards to location hole 91 outer surface 94 on be provided with it is recessed
Slot 944.The contact surface of the outer surface 94 of axially extending plate 92b with groove 944 and the hole wall of the limit hole on shell 1
Product can become smaller, and under the premise of being subject to the restriction effect of limit hole in the outer surface 94 for ensureing axially extending plate 92b, can drop
Frictional resistance between the outer surface 94 of low axially extending plate 92b and the hole wall of limit hole advantageously reduces driving locking bullet
Rotatory force needed for spring component 7 avoids occurring pause and transition in rhythm or melody situation in 7 rotation process of locking spring component, promotes locking spring component 7
The stationarity of rotation process.
In one embodiment, as shown in figure 5, groove 944 is arranged on the outer surface 94 of axially extending plate 92b and edge
The circumferentially extending of location hole 91.Further, the entire outer surface 94 of the circumferential through axially extending plate 92b of groove 944.It is preferred that
Ground, multiple grooves 944 are arranged at axially spaced intervals in along location hole 91 on the outer surface 94 of axially extending plate 92b, are further dropped
Frictional resistance between the outer surface 94 of low axially extending plate 92b and the hole wall of limit hole.
In another embodiment, as shown in fig. 6, the axially extending plate 92b of each mandrel fitting projection 92 includes top
And bottom.Axially extending plate 92b is connected by bottom with radially extending plate 92a, and top is separate to radially extend plate 92a.It is recessed
Slot 944 is arranged on the outer surface 94 of axially extending plate 92b, and is extended from top along the axial of location hole 91 towards bottom.Into
One step, groove 944 is arranged at the centre position of axially extending plate 92b in the circumferential direction of location hole 91.Preferably, it is more
A groove 944 is provided at circumferentially spaced along location hole 91 on the outer surface 94 of axially extending plate 92b, is further reduced axial
Frictional resistance between the outer surface 94 and the hole wall of limit hole of extension board 92b.
More than two mandrel fitting projections 92 of the present embodiment are uniformly arranged along the circumferential direction of location hole 91.An in this way, side
Face facilitates processing and manufacturing mounting portion 9b, improves production efficiency；On the other hand, in the mandrel fitting projection 92 being circumferentially uniformly arranged
Each mandrel fitting projection 92 be more uniformly stressed, the shock loading born is more balanced, is conducive to promote locking spring component 7
The stationarity of rotation process avoids locking spring component 7 that damage occurs to early, and extends the service life of locking spring component 7.
The mandrel connector 9 of the present embodiment is integrally formed component, so as to improve the whole strong of locking spring component 7
Degree, improves the ability for absorbing impact load of locking spring component 7, is not susceptible to deform, damage, and then extend locking bullet
The service life of spring component 7 ensures that the rotary isolation switch of the locking spring component 7 with the present embodiment being capable of normal work for a long time
Make.The annular element 8 of the present embodiment and the material of mandrel connector 9 are metal material, such as steel or aluminium alloy etc..By metal
The annular element 8 of material processing and manufacturing and the intensity higher of mandrel connector 9.The integrally formed mandrel connector 9 of the present embodiment
It can be manufactured by the processing technology of punching press or casting.Above-mentioned processing technology is simple, difficulty is low, connects so as to simplify mandrel
The production technology of fitting 9 reduces production process, and then improves the production efficiency of mandrel connector 9, reduces manpower and material
Expect cost.
The annular element 8 of the present embodiment is plate-shaped member.The mandrel connector 9 of the present embodiment except mandrel fitting projection 92 it
It is plate-shaped member on the whole outside.
The locking spring component 7 of the utility model embodiment includes the annular element 8 being connected with each other and mandrel connector 9.
Mandrel connector 9 has to be connected the location hole 91 being used cooperatively and mandrel fitting projection 92 with mandrel, is matched somebody with somebody by mandrel
It closes protrusion 92 and transfers rotating torque, transmission process is steady.7 overall structure of locking spring component is simple, and self-strength is high, so as to
Bearing capacity is enough promoted, reduces degree of injury caused by additional load is impacted, is conducive to extend the service life of locking spring component 7,
Ensure that rotary isolation switch normally works for a long time.
The utility model further relates to a kind of rotary isolation switch.The rotary isolation switch of the present embodiment includes above-mentioned locking
Spring member 7.The rotary isolation switch rapid operation of the present embodiment, simplicity.Since locking spring component 7 has good carrying
Performance, therefore the rotary isolation switch of the present embodiment can keep long-term normal operating conditions, improve rotary isolation switch
Reliability and job stability.
Although the present utility model has been described by reference to the preferred embodiments, but the model of the utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (8)
1. a kind of locking spring component for rotary isolation switch control mechanism, which is characterized in that including：
Annular element, has through hole and the notch radially extended along the through hole, and the notch is connected with the through hole；
Mandrel connector, fixed part and mounting portion including interconnection, the mandrel connector pass through the fixed part and institute
It states annular element to be connected, the mounting portion is arranged in the through hole, and the mounting portion includes disk body and more than two cores
Axis fitting projection, is provided with location hole on the disk body, and the axis of the location hole overlaps or parallel with the axis of the through hole,
Described two above mandrel fitting projections surround the location hole, spaced setting, also, described two above mandrels
Fitting projection by the edge adjacent with the location hole of the disk body, along the axially extending of the location hole.
2. locking spring component according to claim 1, which is characterized in that each mandrel fitting projection is platy structure,
Each mandrel fitting projection includes radially extending plate and axially extending plate, and the plate that radially extends is along the location hole
It radially extends, the axially extending plate is radially extended along the axially extending of the location hole, the axially extending plate by described
Plate is connected with the hole wall of the location hole.
3. locking spring component according to claim 2, which is characterized in that towards the positioning on the axially extending plate
The cross-sectional profiles line of the inner surface in hole is straight line, the inner surface contour line of the cross section of all axially extending plates
Extended line is crossed to form polygon.
4. locking spring component according to claim 2, which is characterized in that backwards to the positioning on the axially extending plate
The cross-sectional profiles line of the outer surface in hole is circular arc, and the center of circle of the circular arc is located on the axis of the location hole, Suo Yousuo
The extended line for stating the outer surface contour line of the cross section of axially extending plate forms circle.
5. locking spring component according to claim 2, which is characterized in that backwards to the positioning on the axially extending plate
The outer surface in hole includes sequentially connected first cylindrical surface, plane and the second cylindrical surface along circumferential direction, first circle
Cylinder and second cylindrical surface are coaxial.
6. locking spring component according to claim 1, which is characterized in that described two above mandrel fitting projection edges
The circumferential direction of the location hole is uniformly arranged.
7. locking spring component according to any one of claims 1 to 6, which is characterized in that the mandrel connector is one
Body formed, the material of the annular element and the mandrel connector is metal material.
8. a kind of rotary isolation switch, which is characterized in that including locking spring component as described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776618.6U CN207398004U (en) | 2017-06-29 | 2017-06-29 | Locking spring component and rotary isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776618.6U CN207398004U (en) | 2017-06-29 | 2017-06-29 | Locking spring component and rotary isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398004U true CN207398004U (en) | 2018-05-22 |
Family
ID=62402499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720776618.6U Withdrawn - After Issue CN207398004U (en) | 2017-06-29 | 2017-06-29 | Locking spring component and rotary isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248469A (en) * | 2017-06-29 | 2017-10-13 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolation switch |
-
2017
- 2017-06-29 CN CN201720776618.6U patent/CN207398004U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248469A (en) * | 2017-06-29 | 2017-10-13 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolation switch |
| WO2019001365A1 (en) * | 2017-06-29 | 2019-01-03 | 首瑞（天津）电气设备有限公司 | Locking spring member and rotary isolating 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180522 Effective date of abandoning: 20200313 |
|
| AV01 | Patent right actively abandoned |