CN208422704U - A kind of 90 degree of switching devices of on-load switch - Google Patents
A kind of 90 degree of switching devices of on-load switch Download PDFInfo
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- CN208422704U CN208422704U CN201821231206.5U CN201821231206U CN208422704U CN 208422704 U CN208422704 U CN 208422704U CN 201821231206 U CN201821231206 U CN 201821231206U CN 208422704 U CN208422704 U CN 208422704U
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Abstract
The utility model discloses a kind of 90 degree of switching devices of on-load switch, including shaft, upper mounted plate and the bottom plate immediately below upper mounted plate, shaft sequentially passes through the center of upper mounted plate and bottom plate, further includes upper rocker arm, lower shake-changing arm, gear one, gear two and position-limit mechanism；Upper rocker arm and lower shake-changing arm are sheathed in shaft, and upper rocker arm is fixedly connected with shaft, are fixed with extension spring between the rocker arm end of upper rocker arm and the rocker arm end of lower shake-changing arm；Gear one and gear two are rotationally connected on upper mounted plate and gear one and gear two are meshed with the tooth of upper rocker arm, and the lower section of gear one is fixedly installed driving lever one, and the lower section of gear two is fixedly installed driving lever two；Position-limit mechanism limits the maximum rotation angle of shaft as 90 degree.The structural elements of the utility model are few, and components shape is single, and the processing is simple, reduce costs；By gear drive, required precision is low, and catching phenomenon is not present.
Description
Technical field
The utility model relates to a kind of power switches, and in particular to a kind of 90 degree of switching devices of on-load switch.
Background technique
90 degree of switching devices of on-load switch are tapped by rotation position, can be with the Push And Release of switching electric current.Market
90 degree of switching devices of existing on-load switch, structure is complicated, and component is various, needs to reach 90 degree of rotations by limiting in many ways, system
Increased costs are made, and components required precision is quite high, if parts precision is insufficient, generates interference, size control with credit union between component
Make it is not in place easily there is catching phenomenon, can not switch, cause product failure.
Fig. 1 and Fig. 2 is 90 degree of switching devices of existing on-load switch in the market, and the components for including are more, and wherein several
A to limit the complex-shaped of components, there are many places bending, procedure of processing is cumbersome；In addition, several limit components functions 90
It is limited after degree rotation, linkage work, cooperation requires height, if one precision is below standard, in handoff procedure, it is existing clamping stagnation easily occur
As electric current will be unable to open or can not close, and equipment is caused not work or damage.
Utility model content
The utility model provides that a kind of structure is simple and that required precision is not high is negative to overcome the shortcomings of the above technology
90 degree of switching devices of lotus switch.
The utility model overcomes the technical solution used by its technical problem to be:
A kind of 90 degree of switching devices of on-load switch, including shaft, upper mounted plate and lower solid immediately below upper mounted plate
Fixed board, the shaft sequentially pass through the center of upper mounted plate and bottom plate, further include upper rocker arm, lower shake-changing arm, gear one,
Gear two and position-limit mechanism；
The upper rocker arm and lower shake-changing arm are sheathed in shaft, and upper rocker arm is fixedly connected with shaft, the rocker arm end of upper rocker arm
Extension spring is fixed between the rocker arm end of lower shake-changing arm；
The gear one and gear two be rotationally connected on upper mounted plate and gear one and gear two with the tooth of upper rocker arm
It is meshed, the lower section of gear one is fixedly installed driving lever one, and the lower section of gear two is fixedly installed driving lever two；
The position-limit mechanism includes upper limit mechanism and lower limiting mechanism, and upper limit mechanism includes being set on upper mounted plate
Upper arcuate socket and be set to the upper pillar of upper rocker arm upper surface, lower limiting mechanism includes the arc lower being set on bottom plate
Hole and the lower pillar for being set to lower shake-changing arm lower surface, upper pillar moves in upper arcuate socket and lower pillar moves in arc lower hole
It moves to limit the maximum rotation angle of shaft as 90 degree.
The utility model is preferred, and the vertical plate one or column one extended downwardly is arranged in the rocker arm end of the upper rocker arm, under shake
The vertical plate two or column two upwardly extended is arranged in the rocker arm end of arm, and vertical plate one or column one are fixed in one end of the extension spring
The upper, other end is fixed on vertical plate two or column two.
The utility model is preferred, and groove is arranged on the vertical plate one, vertical plate two and column one, and the groove structure is convenient for
The both ends of extension spring are specifically hung over groove position by fixed extension spring.
The utility model is preferred, axle center to the axle center of line and gear two between the axle center of upper rocker arm of the gear one
Angle to line between the axle center of upper rocker arm is α, and the range of α is 60-120 degree.
The utility model is preferred, and the gear one is identical with the model of gear two, and gear one is beaten for current switch
It opens, gear two is used for the closing of current switch.
The utility model is preferred, and the gear one and gear two are connected to the lower section of upper mounted plate by pin rotation.
The beneficial effects of the utility model are:
The utility model has the advantages of simple structure, and components are few, and components shape is single, and the processing is simple, reduces costs；Its
Secondary, by gear drive, required precision is low, and catching phenomenon is not present；In addition, limit method is simple, by lower shake-changing arm with it is lower solid
Fixed board cooperation is limited, upper rocker arm and upper mounted plate cooperation limit.
Detailed description of the invention
Fig. 1 takes away the plan structure signal after upper mounted plate for 90 degree of switching devices of on-load switch described in the prior art
Figure.
Fig. 2 is the side structure schematic view of 90 degree of switching devices of on-load switch described in the prior art.
Fig. 3 is that the original state plan structure that switching device described in the utility model embodiment is taken away after upper mounted plate is shown
It is intended to.
Fig. 4 is that the original state that switching device described in the utility model embodiment is taken away after bottom plate is looked up structure and shown
It is intended to.
Fig. 5 is the original state side structure schematic view I of switching device described in the utility model embodiment.
Fig. 6 is the original state side structure schematic view II of switching device described in the utility model embodiment.
Fig. 7 is the original state side structure schematic view III of switching device described in the utility model embodiment.
Fig. 8 is the original state side structure schematic view IV of switching device described in the utility model embodiment.
Fig. 9 is the side structure schematic view after the extension spring of switching device described in Fig. 6 is pulled open.
Figure 10 is that switching device described in Fig. 6 is rotated by 90 ° rear side viewing structural schematic diagram.
Figure 11 is the overlooking structure diagram of switching device described in the utility model embodiment.
Figure 12 is the present invention looks up structural representation of switching device described in the utility model embodiment.
In figure, 1, lower shake-changing arm, 11, lower pillar, 12, vertical plate two, 13, column two, 2, shaft, 3, extension spring, 4, upper solid
Fixed board, 41, upper arcuate socket, 5, upper rocker arm, 51, upper pillar, 52, vertical plate one, 53, column one, 6, bottom plate, 61, arc lower
Hole, 7, pin, 8, gear one, 81, driving lever one, 9, gear two, 91, driving lever two.
Specific embodiment
The utility model is better understood for the ease of those skilled in the art, in the following with reference to the drawings and specific embodiments to this reality
It is described in further details with novel, following be merely exemplary does not limit the protection scope of the utility model.
As shown in Fig. 3-12, a kind of 90 degree of switching devices of on-load switch described in the utility model, including it is shaft 2, upper solid
Fixed board 4 and the bottom plate 6 immediately below upper mounted plate, the shaft 2 sequentially pass through upper mounted plate 4 and bottom plate 6
Big place is done in center, the utility model improvement, further includes upper rocker arm 5, lower shake-changing arm 1, gear 1, gear 29 and limit
Position mechanism.
The upper rocker arm 5 and lower shake-changing arm 1 are set between upper mounted plate 4 and bottom plate 6, and are sheathed in shaft 2,
Upper rocker arm 5 is fixedly connected with shaft 2, and lower shake-changing arm 1 is fixed on bottom plate 6 by circlip, and the rocker arm end of upper rocker arm 5 is shaken under
It is fixed with extension spring 3 between the rocker arm end of arm 1, specifically, the vertical plate one extended downwardly is arranged in the rocker arm end of the upper rocker arm 5
52 or column 1, the vertical plate 2 12 or column 2 13 that upwardly extend is arranged in the rocker arm end of lower shake-changing arm 1, the extension spring 3
One end is fixed on vertical plate 1 or column 1, the other end is fixed on vertical plate 2 12 or column 2 13 on, that is, four can be divided into
Kind situation: first, one end of extension spring 3 is fixed on vertical plate 1, the other end is fixed on vertical plate 2 12 (such as Fig. 5 institute
Show), second, one end of extension spring 3 is fixed on column 1, the other end is fixed on column 2 13 (as shown in Figure 6), the
Three, one end of extension spring 3 is fixed on vertical plate 1, the other end is fixed on column 2 13 (as shown in Figure 7), and the 4th, it draws
The one end for stretching spring 3 is fixed on column 1, the other end is fixed on vertical plate 2 12 (as shown in Figure 8)；Further, institute
It states and groove is set on vertical plate 1, vertical plate 2 12 and column 1, the both ends of extension spring 3 are hung over into groove position, to ensure
Extension spring can be stable fixation.
The gear 1 and gear 29 are rotationally connected on upper mounted plate 4, and specifically, gear 1 and gear 29 pass through
Pin 7 is rotationally connected with the lower section of upper mounted plate 4, and in the present embodiment, the gear 1 is identical with the model of gear 29, gear
1 and gear 29 be meshed with the tooth of upper rocker arm 5；Between the axle center of the supreme Rocker arm 5 in axle center of the gear 1 line with
The angle of line is α between the axle center of the supreme Rocker arm 5 in the axle center of gear 29, and the range of α is 60-120 degree；In addition, gear 1
Lower section be fixedly installed driving lever 1, the lower section of gear 29 is fixedly installed driving lever 2 91, the vertical plate 2 12 of the lower shake-changing arm
Or column 2 13 rotates between driving lever 1 and driving lever 2 91, driving lever 1 is stirred when opening for current switch
Vertical plate 2 12 or column 2 13 are rotated clockwise around shaft 2, and driving lever 2 91 stirs vertical plate 2 12 when closing for current switch
Or column 2 13 2 rotates counterclockwise around the shaft.
The position-limit mechanism includes upper limit mechanism and lower limiting mechanism, and upper limit mechanism includes being set to upper mounted plate 4
On upper arcuate socket 41 and be set to the upper pillar 51 of 5 upper surface of upper rocker arm, lower limiting mechanism includes being set on bottom plate 6
Arc lower hole 61 and be set to the lower pillar 11 of 1 lower surface of lower shake-changing arm, upper pillar 51 moved in upper arcuate socket 41 and under
Pillar 11 moves in arc lower hole 61 to limit the maximum rotation angle of shaft 2 as 90 degree.
90 degree of switching device working principles of on-load switch of the present embodiment:
(1) current switch opening procedure: Fig. 3,4,5 show 90 degree of on-load switch of same structure under different visual angles
The original state of switching device, shaft 2 rotate counterclockwise, and drive upper rocker arm 5 to rotate counterclockwise (as shown in Figure 3), to drive
Gear 1 and gear 29 rotate clockwise, and the driving lever 81 of one 8 lower section of gear stirs vertical plate 2 12 so that 1 up time of lower shake-changing arm
Needle rotation, extension spring 3 is pulled open, when between the rocker arm of upper rocker arm 5 and the rocker arm of lower shake-changing arm 1 being in 180 degree angle (such as Fig. 9 institute
Show), 3 rapid closing of extension spring drives upper rocker arm 5 and lower shake-changing arm 1 to rotate simultaneously, when shaft 2 rotates to 90 degree, position restrainer
Structure limitation upper rocker arm 5 continues to rotate, and at this moment completes entire rotary course, as shown in Figure 10, that is, opens current switch.
(2) current switch closing process: shaft 2 rotates clockwise, and drives upper rocker arm 5 to rotate clockwise, thus with movable tooth
Take turns 1 and gear 29 rotate counterclockwise, the driving lever 91 of the lower section of gear 29 stirs vertical plate 2 12 so that lower shake-changing arm 1 is counterclockwise
Rotation, extension spring 3 is pulled open, when between the rocker arm of upper rocker arm 5 and the rocker arm of lower shake-changing arm 1 being in 180 degree angle, extension spring 3
Rapid closing drives upper rocker arm 5 and lower shake-changing arm 1 to rotate simultaneously, and when shaft 2 rotates to 90 degree, position-limit mechanism limits upper rocker arm 5
Continue to rotate, at this moment complete entire rotary course, is i.e. closing current switch.
Above only describes the basic principle of the utility model and preferred embodiment, those skilled in the art can be according to above-mentioned
Many changes and improvements are made in description, these changes and improvements should belong to the protection scope of the utility model.
Claims (6)
1. a kind of 90 degree of switching devices of on-load switch, including shaft (2), upper mounted plate (4) and immediately below upper mounted plate
Bottom plate (6), the shaft (2) sequentially pass through the center of upper mounted plate (4) and bottom plate (6), which is characterized in that
It further include upper rocker arm (5), lower shake-changing arm (1), gear one (8), gear two (9) and position-limit mechanism；
The upper rocker arm (5) and lower shake-changing arm (1) are sheathed on shaft (2), and upper rocker arm (5) is fixedly connected with shaft (2), are above shaken
Extension spring (3) are fixed between the rocker arm end of arm (5) and the rocker arm end of lower shake-changing arm (1)；
The gear one (8) and gear two (9) be rotationally connected on upper mounted plate (4) and gear one (8) and gear two (9) with
The tooth of upper rocker arm (5) is meshed, and driving lever one (81) is fixedly installed below gear one (8), and the lower section fixation of gear two (9) is set
It is equipped with driving lever two (91)；
The position-limit mechanism includes upper limit mechanism and lower limiting mechanism, and upper limit mechanism includes being set on upper mounted plate (4)
Upper arcuate socket (41) and be set to the upper pillar (51) of upper rocker arm (5) upper surface, lower limiting mechanism includes being set to lower fixation
Arc lower hole (61) on plate (6) and the lower pillar (11) for being set to lower shake-changing arm (1) lower surface, upper pillar (51) is in upper arcuate socket
(41) it is moved in and lower pillar (11) moves in arc lower hole (61) to limit the maximum rotation angle of shaft (2) as 90
Degree.
2. switching device according to claim 1, which is characterized in that the rocker arm end of the upper rocker arm (5) is arranged to downward
The vertical plate two (12) or column two that upwardly extend is arranged in the vertical plate one (52) or column one (53) stretched, the rocker arm end of lower shake-changing arm (1)
(13), one end of the extension spring (3) is fixed on vertical plate one (52) or column one (53), the other end is fixed on vertical plate two
(12) or on column two (13).
3. switching device according to claim 2, which is characterized in that the vertical plate one (52), vertical plate two (12) and column
Groove is set on one (53).
4. switching device according to claim 1-3, which is characterized in that the axle center of the gear one (8) is supreme
The angle of the axle center of line and gear two (9) to line between the axle center of upper rocker arm (5) is α between the axle center of rocker arm (5), α's
Range is 60-120 degree.
5. switching device according to claim 1, which is characterized in that the model phase of the gear one (8) and gear two (9)
Together.
6. switching device described according to claim 1 or 2 or 3 or 5, which is characterized in that the gear one (8) and gear two
(9) lower section of upper mounted plate (4) is rotationally connected with by pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231206.5U CN208422704U (en) | 2018-08-01 | 2018-08-01 | A kind of 90 degree of switching devices of on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231206.5U CN208422704U (en) | 2018-08-01 | 2018-08-01 | A kind of 90 degree of switching devices of on-load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208422704U true CN208422704U (en) | 2019-01-22 |
Family
ID=65124199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821231206.5U Active CN208422704U (en) | 2018-08-01 | 2018-08-01 | A kind of 90 degree of switching devices of on-load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208422704U (en) |
-
2018
- 2018-08-01 CN CN201821231206.5U patent/CN208422704U/en active Active
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