CN208127087U - Electric switch operating mechanism and electrical rotary switch - Google Patents
Electric switch operating mechanism and electrical rotary switch Download PDFInfo
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- CN208127087U CN208127087U CN201820651150.2U CN201820651150U CN208127087U CN 208127087 U CN208127087 U CN 208127087U CN 201820651150 U CN201820651150 U CN 201820651150U CN 208127087 U CN208127087 U CN 208127087U
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- torsional spring
- operating mechanism
- electric switch
- switch operating
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Abstract
The utility model discloses a kind of electric switch operating mechanism and electrical rotary switchs, belong to electric switch technical field, design to solve the problems such as existing electric switch service life is short.The utility model electric switch operating mechanism includes pedestal and upper cover, rotation cam, torsional spring component and rotary drive structure are provided between pedestal and upper cover, torsional spring component includes the first torsional spring, the second torsional spring, spacer and universal driving shaft, spacer is arranged between the first torsional spring and the second torsional spring, and universal driving shaft sequentially passes through the first torsional spring, spacer and the second torsional spring；First torsional spring and the second torsional spring be that one end is located at middle part, the other end is located at outer edge and torsional spring main body between the ends in the shape of a spiral, the direction of rotation of the first torsional spring and the second torsional spring is opposite.The utility model electrical rotary switch includes above-mentioned electric switch operating mechanism.The utility model electric switch operating mechanism and electrical rotary switch extend service life, improve arc extinguishing ability.
Description
Technical field
The utility model relates to electric switch technical field more particularly to a kind of electric switch operating mechanism and including being somebody's turn to do
The electrical rotary switch of operating mechanism.
Background technique
With the development of electric utility, the performance requirement for being capable of providing high capacity, the high electric switch being precisely controlled is got over
Come higher.Important component of the operating mechanism as electric switch, the performance that the quality of performance directly influences electric switch are excellent
It is bad.
It is simple for providing the torsional spring structure of elastic force in existing electric switch operating mechanism, elasticity after being used for multiple times
Power obviously weakens, and operating mechanism precision is caused to be deteriorated, and arc extinguishing is less able.
Utility model content
One purpose of the utility model is to propose a kind of electric switch operating mechanism with long service life.
Another purpose of the utility model is to propose a kind of electrical rotary switch that arc extinguishing ability is strong.
For this purpose, on the one hand, the utility model uses following technical scheme：
A kind of electric switch operating mechanism, including pedestal and upper cover are provided with rotation between the pedestal and the upper cover
Rotating cam, torsional spring component and rotary drive structure, the torsional spring component include the first torsional spring, the second torsional spring, isolation
Piece and universal driving shaft, the spacer are arranged between first torsional spring and second torsional spring, and the universal driving shaft sequentially passes through
First torsional spring, the spacer and second torsional spring；First torsional spring and second torsional spring are that one end is located at
Middle part, the other end be located at outer edge and torsional spring main body between the ends in the shape of a spiral, first torsional spring and second torsional spring
Direction of rotation it is opposite.
In particular, the cross section of the universal driving shaft in radial directions be rectangular, rectangle, diamond shape, trapezoidal, triangle,
Pentagon or pentalpha, the shape of the linkage shaft mounting hole in the middle part of first torsional spring and second torsional spring with it is described
The shape of the cross section of universal driving shaft in radial directions is consistent, and circular hole is provided in the middle part of the spacer, the circular hole
Diameter is more than or equal to the cornerwise length of the linkage shaft mounting hole.
In particular, the edge of the spacer outwardly protrudes to form dismounting handle.
In particular, first torsional spring and second torsional spring are rolled by flaky material in plate-like structure, outer edge
Hold outward bending.
Further, the outside acies of the outside acies of first torsional spring and second torsional spring shifts to install.
In particular, being provided with C-shaped elastic component on the rotary drive structure, two end points of the C-shaped elastic component are equal
It is bent to form elastic component lug boss.
In particular, being equipped with connecting column on the top surface of the upper cover, screw thread is provided on the outer wall of the connecting column.
In particular, the edge outward bending of the rotation cam extends to form two fins, installed on the rotation cam
There is mandrel.
In particular, the edge outward bending of the rotary drive structure extends to form two lock parts.
On the other hand, the utility model uses following technical scheme：
A kind of electrical rotary switch further includes above-mentioned electric switch including the multiple switch module being stacked
Operating mechanism；The shell of the electric switch operating mechanism links together with the switch module；Each switch module includes
Running contact, stationary contact and mandrel module are provided with mandrel connection on the rotary drive structure of the electric switch operating mechanism
Portion, the mandrel module are connected with the mandrel interconnecting piece.
The torsional spring component of the utility model electric switch operating mechanism includes the first torsional spring, the second torsional spring, spacer
And universal driving shaft, an existing torsional spring, the elastic deformation of two torsional springs are substituted using the opposite torsional spring in two direction of rotation
Contrary, energy storage efficiency is high, even if the elastic force for latter two torsional spring that repeatedly works still is able to maintain in very high level, extends
The accuracy of service life, control is high；Spacer enables the first torsional spring and the second torsional spring be not directly contacted with, and further extends dress
The service life set.
The utility model electrical rotary switch includes above-mentioned electric switch operating mechanism, utilizes the work of energy-stored spring
It is rapider that principle makes electric switch separating brake close a floodgate, and improves arc extinguishing ability, improves life of product.
Detailed description of the invention
Fig. 1 is the explosive view for the electric switch operating mechanism that specific embodiment of the present invention provides；
Fig. 2 is the explosive view for the torsional spring component that specific embodiment of the present invention provides；
Fig. 3 is the main view for the first torsional spring that specific embodiment of the present invention provides.
In figure：
1, pedestal；2, upper cover；3, cam is rotated；4, torsional spring component；5, rotary drive structure；6, C-shaped elastic component；7,
Mandrel；22, connecting column；23, boss structure；31, fin；41, the first torsional spring；42, the second torsional spring；43, spacer；44, it links
Axis；45, link shaft mounting hole；46, circular hole；47, handle is dismounted；48, outside acies；51, lock part；61, elastic component lug boss.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The utility model discloses a kind of electric switch operating mechanism and the electrical rotary switch including the operating mechanism.
Electrical rotary switch is modular switch, including the multiple switch module being stacked and operating mechanism, operating mechanism
Shell links together with switch module；In inside, each switch module includes running contact, stationary contact and mandrel module, behaviour
Make to be provided with mandrel interconnecting piece on the rotary drive structure of mechanism, mandrel module is connected with mandrel interconnecting piece.
As shown in Figure 1, the operating mechanism includes pedestal 1 and upper cover 2, rotation cam is provided between pedestal 1 and upper cover 2
3, torsional spring component 4 and rotary drive structure 5.Wherein, as shown in Figures 2 and 3, torsional spring component 4 includes the first torsional spring
41, the second torsional spring 42, spacer 43 and universal driving shaft 44, spacer 43 are arranged between the first torsional spring 41 and the second torsional spring 42, connection
Moving axis 44 sequentially passes through the middle part of the first torsional spring 41, spacer 43 and the second torsional spring 42.First torsional spring 41 and the second torsional spring 42 are
Be located at middle part for one end, the other end is located at outer peripheral structure, and torsional spring main body is between the ends in the shape of a spiral, the first torsional spring 41
It is opposite with the direction of rotation of the second torsional spring 42 (on the basis of the axis of torsional spring, one rotate clockwise, another is revolved counterclockwise
Turn).
An existing torsional spring, the tensioning (elasticity of two torsional springs are substituted using the opposite torsional spring in two direction of rotation
Deformation) it is contrary, even if the elastic force for latter two torsional spring that repeatedly works still is able to maintain in very high level, extend use
Service life；Energy storage efficiency is high, and elasticity can discharge rapidly, and the accuracy of control is high.Spacer 43 is arranged in the first torsional spring 41 and second
Between torsional spring 42, the first torsional spring 41 and the second torsional spring 42 is enabled to be not directly contacted with, centre is without direct friction, improve
The service life of one torsional spring 41 and the second torsional spring 42.
It is preferably square shaft for enabling the first torsional spring 41 and the second torsional spring 42 that elastically-deformable universal driving shaft 44 can occur simultaneously, the
The linkage shaft mounting hole 45 at the middle part of one torsional spring 41 and the second torsional spring 42 is square hole, and the middle part of spacer 43 is in circular hole 46, circular hole
46 diameter is more than or equal to the linkage cornerwise length of shaft mounting hole 45.
Universal driving shaft 44 combines the first torsional spring 41, spacer 43 and the second torsional spring 42, and it is strong to reduce personnel's labour
Degree, improves productivity.Square shaft can make torsional spring (including the first torsional spring 41 and second torsional spring 42) centre compressed
Original shape is kept in journey, so that torsional spring keeps accurately torsion in compression process, is eliminated since torsional spring central compressed is led
The torsion of cause deviates；Enable control module accurately rotary contact module, improves contact arc extinction performance, improve the product longevity
Life, avoids the harm of personal injury.
Certainly, the cross section of universal driving shaft 44 in radial directions is other than being rectangular, can also for rectangle, diamond shape,
The shapes such as trapezoidal, triangle, pentagon or pentalpha, the universal driving shaft installation positioned at 42 middle part of the first torsional spring 41 and the second torsional spring
The shape of cross section of the shape in hole 45 with universal driving shaft 44 in radial directions is consistent.The purpose of design of the structure is when linkage
Axis 44 drives the first torsional spring 41 (the second torsional spring 42) to be located at middle part end when rotating and then rotates, at this time if the first torsional spring 41
(the second torsional spring 42) is located at if outer peripheral end is in free state, and the first torsional spring 41 (the second torsional spring 42) follows universal driving shaft
44 rotate together；If the first torsional spring 41 (the second torsional spring 42) is located at if outer peripheral end is in stationary state, first is turned round
Elastic deformation by from-inner-to-outer occurs for spring 41 (the second torsional spring 42), that is, the torsional spring close to center position screws.No matter linkage
Which kind of shape the cross section of axis 44 in radial directions is, the middle part of spacer 43 all forms circular hole 46, and the diameter of circular hole 46
More than or equal to the cornerwise length of universal driving shaft 44, avoids spacer 43 from being driven by universal driving shaft 44 and rotate.
The edge of spacer 43 outwardly protrudes to form dismounting handle 47, easy disassembly.Moreover, at least one on dismounting handle 47
Part-structure is between the first torsional spring 41 and the second torsional spring 42, it may have avoids the first torsional spring 41 and the second torsional spring 42 straight
The effect for connecing friction further improves the service life of the first torsional spring 41 and the second torsional spring 42.
First torsional spring 41 and the second torsional spring 42 are all to be rolled by flaky material in plate-like structure, and inner end bending is square
The outside acies 48 of shape, 48 outward bending of outside acies, and the outside acies 48 of the first torsional spring 41 and the second torsional spring 42 is wrong
Position setting, for being connect respectively with the lock part 51 on rotary drive structure 5.
C-shaped elastic component 6 is provided on rotary drive structure 5, two end points of C-shaped elastic component 6 are bent to form elasticity
Part lug boss 61.The shape of C-shaped elastic component 6 is substantially oval, and the installation space on rotary drive structure 5 is in round substantially
Shape, so elastic component lug boss 61 protrudes from the edge of rotary drive structure 5 after installation.
It is equipped with connecting column 22 on the bottom surface of pedestal 1, is provided with screw thread on the outer wall of connecting column 22, it is rotary for connecting
Other structures on electric switch.
The edge outward bending of rotation cam 3 extends to form two fins 31, and the setting positions and dimensions of fin 31 need
The elastic component lug boss 61 of C-shaped elastic component 6 can be pushed；The side of fin 31 is in inclined-plane or inclined cambered surface, for close to C-shaped
The edge of C-shaped elastic component 6 can be crossed after elastic component 6 in order to be pressed on the surface of C-shaped elastic component 6.
The edge outward bending of rotary drive structure 5 extends to form two lock parts 51, installs latter two lock part 51 and divides
The outside acies 48 of corresponding first torsional spring 41 or the outside acies 48 of the second torsional spring 42 are not engaged.
Installation and application method：Setting is there are four boss structure 23 on the bottom surface of upper cover 2, C-shaped elastic component 6 when initial
Two elastic component lug bosses 61 hold the two sides of some boss structure 23 boss structure 23 of the lower right corner (example as shown in figure 1) tightly.
Rotation mandrel 7 (around mandrel 7 axis both clockwise or rotate counterclockwise), rotate cam 3 and universal driving shaft 44 and divide
Mandrel 7 is not followed to rotate；Because two elastic component lug bosses 61 of C-shaped elastic component 6 are fixed by boss structure 23 at this time, C-shaped
Elastic component 6 is mounted on rotary drive structure 5 and two lock parts 51 of rotary drive structure 5 are separately connected corresponding first
The outside acies 48 of the outside acies 48 of torsional spring 41 and the second torsional spring 42, thus at this time rotary drive structure 5 be not able to rotate, first
The outside acies 48 of the outside acies 48 of torsional spring 41 and the second torsional spring 42 is fixed, the first torsional spring 41 and the second torsional spring 42 from interior and
Elastic deformation (carrying out energy storage) occurs for other places.
Mandrel 7 continues to rotate at certain position (such as mandrel 7 rotates angle when reaching 80 ° or so), rotation cam 3
Fin 31 touches the edge of C-shaped elastic component 6.It is further continued for rotating, fin 31 cuts the side that C-shaped elastic component 6 is crossed in oblique side
Edge, fin 31 are pressed on the surface of C-shaped elastic component 6, and the elastic component lug boss 61 of C-shaped elastic component 6 lifts to (Fig. 1 is in order to show
The structure of each component and drop specific device and have rotated 180 ° in vertical direction, so being that fin 31 will be elastic in normal use
Part lug boss 61 pushes), enable elastic component lug boss 61 be detached from boss structure 23.C-shaped elastic component 6 and rotary drive structure 5 at this time
All in free state, torsional spring component 4 drives rotary drive structure 5 to rotate, and rotary drive structure 5 drives C-shaped elastic component 6
Rotation.
It is restored to elemental height departing from the C-shaped elastic component 6 of fin 31, elastic component lug boss 61 is along two boss structures
2 edge of upper cover sliding between 23, until arriving at first 23 edge of boss structure, (elastic component lug boss 61 is to slide into figure
It is basis that 23 edge of boss structure of lower right-hand corner, which still slides into 23 edge of boss structure in Fig. 1 at the upper right corner, in 1
Depending on mandrel 7 rotates clockwise or counterclockwise).Because of the presence of rotation inertia force, leaned in two elastic component lug bosses 61
That elastic component lug boss 61 of nearly boss structure 23 can continue sliding along the lateral surface of boss structure 23 and then cross boss
Structure 23, and inertia force is not enough to that another elastic component lug boss 61 is supported to cross the boss structure 23, then two elastic components
Lug boss 61 is located at the two sides of the boss structure 23, and boss structure 23 plays the role of fixed C-shaped elastic component 6.When upper
When four boss structures 23 are equably set on lid 2, it is able to achieve the every 90 ° of steppings rotation of switch.
It is relatively applied to the one or more running contacts being connected with rapid rotation suddenly by C-shaped elastic component 6
On switch arbor portions, to allow being switched fast between two separate contacts, rise arc duration it is relatively short.
Note that the technical principle that above are only the preferred embodiment of the utility model and used.Those skilled in the art
It will be appreciated that the utility model is not limited to specific embodiment described here, it is able to carry out for a person skilled in the art various
Apparent variation is readjusted and is substituted without departing from the protection scope of the utility model.Therefore, although by implementing above
Example is described in further detail the utility model, but the utility model is not limited only to above embodiments, is not taking off
It can also include more other equivalent embodiments in the case where from the utility model design, and the scope of the utility model is by institute
Attached scope of the claims determines.
Claims (10)
1. a kind of electric switch operating mechanism, including pedestal (1) and upper cover (2), the pedestal (1) and the upper cover (2) it
Between be provided with rotation cam (3), torsional spring component (4) and rotary drive structure (5), which is characterized in that the torsional spring
Component (4) includes that the first torsional spring (41), the second torsional spring (42), spacer (43) and universal driving shaft (44), the spacer (43) set
It sets between first torsional spring (41) and second torsional spring (42), the universal driving shaft (44) sequentially passes through first torsional spring
(41), the spacer (43) and second torsional spring (42)；First torsional spring (41) and second torsional spring (42) are
One end is located at middle part, the other end is located at outer edge and torsional spring main body between the ends in the shape of a spiral, first torsional spring (41) and
The direction of rotation of second torsional spring (42) is opposite.
2. electric switch operating mechanism according to claim 1, which is characterized in that the universal driving shaft (44) is in radial direction
On cross section be rectangular, rectangle, diamond shape, trapezoidal, triangle, pentagon or pentalpha, be located at first torsional spring
(41) shape of the linkage shaft mounting hole (45) and in the middle part of second torsional spring (42) and the universal driving shaft (44) are in radial direction
On cross section shape it is consistent, be provided with circular hole (46) in the middle part of the spacer (43), the diameter of the circular hole (46)
More than or equal to the cornerwise length of the universal driving shaft (44) in radial directions.
3. electric switch operating mechanism according to claim 1, which is characterized in that the edge of the spacer (43) is outside
Protrusion forms dismounting handle (47).
4. electric switch operating mechanism according to claim 1, which is characterized in that first torsional spring (41) and described
Two torsional springs (42) are rolled by flaky material in plate-like structure, outside acies (48) outward bending.
5. electric switch operating mechanism according to claim 4, which is characterized in that the outer edge of first torsional spring (41)
The outside acies (48) of end (48) and second torsional spring (42) shifts to install.
6. electric switch operating mechanism according to any one of claim 1 to 5, which is characterized in that the rotation driving
It is provided in structure (5) C-shaped elastic component (6), two end points of the C-shaped elastic component (6) are bent to form elastic component protrusion
Portion (61).
7. electric switch operating mechanism according to any one of claim 1 to 5, which is characterized in that in the upper cover (2)
Top surface be equipped with connecting column (22), be provided with screw thread on the outer wall of the connecting column (22).
8. electric switch operating mechanism according to any one of claim 1 to 5, which is characterized in that the rotation cam
(3) edge outward bending extends to form two fins (31), is equipped with mandrel (7) on the rotation cam (3).
9. electric switch operating mechanism according to any one of claim 1 to 5, which is characterized in that the rotation driving
The edge outward bending of structure (5) extends to form two lock parts (51).
10. a kind of electrical rotary switch, including the multiple switch module being stacked, which is characterized in that further include such as power
Benefit require any one of 1 to 9 described in electric switch operating mechanism；The shell and the switch of the electric switch operating mechanism
Module links together；Each switch module includes running contact, stationary contact and mandrel module, the electric switch operating mechanism
Rotary drive structure (5) on be provided with mandrel interconnecting piece, the mandrel module is connected with the mandrel interconnecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820651150.2U CN208127087U (en) | 2018-05-03 | 2018-05-03 | Electric switch operating mechanism and electrical rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820651150.2U CN208127087U (en) | 2018-05-03 | 2018-05-03 | Electric switch operating mechanism and electrical rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208127087U true CN208127087U (en) | 2018-11-20 |
Family
ID=64184566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820651150.2U Active CN208127087U (en) | 2018-05-03 | 2018-05-03 | Electric switch operating mechanism and electrical rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208127087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-05-03 CN CN201820651150.2U patent/CN208127087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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