CN213988760U - External auxiliary switch device of automatic change-over switch - Google Patents
External auxiliary switch device of automatic change-over switch Download PDFInfo
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- CN213988760U CN213988760U CN202023217492.XU CN202023217492U CN213988760U CN 213988760 U CN213988760 U CN 213988760U CN 202023217492 U CN202023217492 U CN 202023217492U CN 213988760 U CN213988760 U CN 213988760U
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Abstract
The utility model relates to an external auxiliary switch device of an automatic transfer switch, which comprises a shell, a micro-motion trigger piece and a micro-motion switch; the outer ring of the micro-motion trigger part is a cam outer contour, and the outer ring of the micro-motion trigger part is provided with a pair of grooves which are symmetrically distributed on the outer ring of the micro-motion trigger part; the micro-motion trigger is provided with a first lug which passes through a swing track on the shell; the micro switches are 2 pairs, are arranged on the shell and are symmetrically distributed on two sides of the micro trigger piece, and trigger heads are arranged on the micro switches facing to the micro trigger piece; when the automatic change-over switch is in the double-division position, the groove is far away from the micro switch, and the trigger head of the micro switch is pressed by the outer contour of the cam of the micro trigger piece; when the micro-motion trigger piece rotates to enable the groove to be opposite to the trigger heads of the micro-motion switches, the trigger heads of the micro-motion switches are not pressed by the outer contour of the cam of the micro-motion trigger piece, so that the trigger heads pop up to output signals; the utility model discloses space and cost have been saved.
Description
Technical Field
The utility model belongs to the technical field of low-voltage apparatus, especially, relate to automatic change-over switch's external auxiliary switch device.
Background
The automatic transfer switch electric appliance needs an auxiliary switch device to reflect the opening and closing states of a main contact, the auxiliary switch needs to give corresponding signals when the main contact is in the closing state and a standby contact is in the closing state, the signals are used for customer wiring, and the auxiliary switch is connected to an indicator light to display the opening and closing states of the transfer switch.
Currently, the conventional auxiliary switching device has three problems: the auxiliary switch is positioned in the change-over switch, so that the installation and the replacement of a customer are inconvenient; the auxiliary switch is not universal for products with different shell frame current grades, so that the cost is increased; the auxiliary switch wiring terminal is connected with the contact through an electric wire, so that the space occupation and the cost are increased.
Based on the problems, the external auxiliary switch device of the automatic change-over switch is universal for change-over switches with different shell frame current levels, saves space and cost, and has important practical significance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides one kind and can be general to the change over switch of different shelve current grades, saved the external auxiliary switch device of the automatic change over switch of space and cost.
The utility model provides a its technical problem take following technical scheme to realize:
the external auxiliary switch device of the automatic change-over switch comprises a shell, a micro-motion trigger piece and a micro-motion switch; the outer ring of the micro-motion trigger part is a cam outer contour, and the outer ring of the micro-motion trigger part is provided with a pair of grooves which are symmetrically distributed on the outer ring of the micro-motion trigger part; a first lug is arranged on the micro-motion trigger piece and penetrates through a swing track on the shell; the micro switches are 2 pairs, are arranged on the shell and are symmetrically distributed on two sides of the micro trigger piece, and trigger heads are arranged on the micro switches facing the micro trigger piece;
when the automatic change-over switch is in a double-division position, the groove is far away from the micro switch, and the trigger head of the micro switch is pressed by the outer contour of the cam of the micro trigger piece; when the micro-motion trigger piece rotates to enable the groove to be opposite to the trigger heads of the micro-motion switches, the trigger heads of the micro-motion switches are not pressed by the outer contour of the cam of the micro-motion trigger piece, so that the trigger heads are popped up to output signals, and the trigger heads are at the standby power supply switching-on position or the common power supply switching-on position.
The automatic change-over switch further comprises a transmission disc and a main shaft, wherein the transmission disc is fixedly sleeved on the main shaft and fixedly connected with a moving contact of a contact system of an automatic change-over switch electrical appliance, and the micro-motion trigger is fixedly connected with the transmission disc, so that the moving contact and the micro-motion trigger synchronously rotate, and when the moving contact rotates to be in contact with a common power supply contact or a standby power supply contact, a corresponding micro-motion switch is triggered to output a signal.
Furthermore, a first lug on the micro-motion trigger piece extends into a first groove on the transmission disc, so that the transmission disc can drive the micro-motion trigger piece to rotate together when rotating.
Furthermore, a second groove is arranged on the microswitch, and the second groove is matched with the lug of the shell; and the microswitch is also provided with an elastic buckle, and after being arranged in the shell through the second groove and the elastic buckle, the microswitch is clamped and fixed.
Furthermore, a protrusion is arranged in a first groove on the transmission disc, and a concave structure matched with the protrusion is arranged on the surface of a first convex block on the micro-motion trigger.
The utility model has the advantages that:
the external auxiliary switch device of the utility model can be installed and disassembled without disassembling the change-over switch, thereby greatly facilitating the field application; the universal change-over switch can be used for change-over switches of different shell frame current grades, and the space and the cost are saved.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a housing of an external auxiliary switch device of an automatic transfer switch according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic structural diagram of an assembled external auxiliary switch device of an automatic transfer switch according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of an assembled external auxiliary switch device of an automatic transfer switch according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a transmission plate of an external auxiliary switch device of an automatic transfer switch according to an embodiment of the present invention;
fig. 6 is a rear view of a housing of an external auxiliary switch device of an automatic transfer switch according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an assembled housing of an external auxiliary switch device of an automatic transfer switch according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of the housing when the standby power supply according to the embodiment of the present invention is in the on position;
fig. 9 is a schematic structural diagram of a housing in a normal power supply switching-on position according to an embodiment of the present invention;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 9.
As shown in fig. 1 to 9, the external auxiliary switch device of the automatic transfer switch provided in this embodiment includes a housing 2, a micro-motion trigger 3, and a micro-motion switch 4; the outer ring of the micro-motion trigger part 3 is a cam outer contour, a pair of grooves 302 are formed in the outer ring of the micro-motion trigger part 3, and the pair of grooves are symmetrically distributed in the outer ring of the micro-motion trigger part 3; a first lug 301 is arranged on the micro-motion trigger 3, and the first lug 301 penetrates through the swing track 202 on the shell 2; the micro switches 4 are 2 pairs, are arranged on the shell 2 and are symmetrically distributed on two sides of the micro trigger piece 3, and the trigger head 401 is arranged on the micro switch 4 facing to the micro trigger piece 3;
when the automatic change-over switch is in a double-division position, the groove is far away from the micro switch 4, and the trigger head 401 of the micro switch 4 is pressed in by the outer contour of the cam of the micro trigger piece 3; when the micro-motion trigger 3 rotates to enable the groove to face a pair of trigger heads 401 of the micro-motion switch 4, the trigger heads 401 of the micro-motion switch 4 are not pressed by the outer contour of the cam of the micro-motion trigger 3, so that the trigger heads 401 are popped up to output signals, and at this time, the trigger heads are at a standby power supply switching-on position or a common power supply switching-on position.
The automatic transfer switching device is characterized by further comprising a transmission disc 10 and a main shaft 11, wherein the transmission disc 10 is fixedly sleeved on the main shaft 11, the transmission disc 10 is fixedly connected with a moving contact 12 of a contact system 9 of the automatic transfer switching device, the micro-motion trigger part 3 is fixedly connected with the transmission disc 10, so that the moving contact 12 and the micro-motion trigger part 3 rotate synchronously, and when the moving contact rotates to be in contact with a common power supply contact or a standby power supply contact, a corresponding micro-motion switch 4 is triggered to output a signal; aiming at products with different shell frame current grades, the main shafts 11 have different sizes, and only different transmission discs 10 are needed to be used for the main shafts 11 with different sizes, so that the external auxiliary switch device 1 is ensured to be universal for different shell frame products.
The first protrusion 301 of the micro-motion trigger 3 extends into the first groove 1001 of the transmission disc 10, so that the transmission disc 10 can rotate together with the micro-motion trigger 3, and in this embodiment, it can be considered that: a protrusion is arranged in the first groove 1001 on the transmission disc 10, a concave structure matched with the protrusion is arranged on the surface of the first bump 301 on the micro-motion trigger 3, and the protrusion may be a cross-shaped structure, as shown in fig. 5.
A second groove 402 is arranged on the microswitch 4, and the second groove 402 is matched with the lug 201 of the shell 2; the microswitch 4 is also provided with an elastic buckle 403, after the microswitch 4 is arranged in the shell 2 through the second groove 402 and the elastic buckle 403, the elastic buckle 403 is extruded and deformed, and after the microswitch 4 is arranged, the elastic buckle is rebounded to abut against a convex clamping strip 203 on the shell 2, so that the microswitch is clamped and fixed; the structure can ensure that the micro switch 4 is conveniently installed from the outside, and when the micro switch 4 is to be taken out, a screwdriver can prop against the elastic buckle 403 of the micro switch 4 from the notch 204 of the shell 2, so that the elastic buckle can slide out from the protruding clamp strip 203 of the shell 2 after being deformed, and the micro switch 4 is taken out, thereby facilitating the addition of the micro switch or the replacement of a fault micro switch by a customer; it should be noted that, the microswitch 4 may be an existing microswitch, the trigger head 401 configured on the microswitch itself is an elastic element, and the microswitch 4 itself integrates a terminal, which greatly reduces the product cost.
As shown in fig. 7, a face cover 5 and an auxiliary cover 6 may be mounted on the outer periphery of the housing 2 to form a surrounding structure; the external auxiliary switch device 1 with the surface cover 5 and the auxiliary cover 6 mounted thereon is fixed on a side plate 7, the side plate 7 is fixed on a bottom plate 8, and a contact system 9 is fixed on the bottom plate 8.
By way of example, in the present embodiment, in the double-split position (fig. 1), the trigger heads of 4 microswitches are pressed in by the outer contour of the microswitching element 3; in the standby power supply switching-on position (figure 8), the trigger heads of the micro switches 4-1 and 4-3 are not pressed by the outer contour of the micro trigger piece 3, so as to pop up and output signals; in the normal power supply switch-on position (figure 9), the trigger heads of the micro switches 4-2 and 4-4 are not pressed by the outer contour of the micro trigger piece 3, so that the micro switches pop up and output signals.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. Automatic change over switch's external auxiliary switch device, its characterized in that: comprises a shell, a micro-motion trigger piece and a micro-motion switch; the outer ring of the micro-motion trigger part is a cam outer contour, and the outer ring of the micro-motion trigger part is provided with a pair of grooves which are symmetrically distributed on the outer ring of the micro-motion trigger part; a first lug is arranged on the micro-motion trigger piece and penetrates through a swing track on the shell; the micro switches are 2 pairs, are arranged on the shell and are symmetrically distributed on two sides of the micro trigger piece, and trigger heads are arranged on the micro switches facing the micro trigger piece;
when the automatic change-over switch is in a double-division position, the groove is far away from the micro switch, and the trigger head of the micro switch is pressed by the outer contour of the cam of the micro trigger piece; when the micro-motion trigger piece rotates to enable the groove to be opposite to the trigger heads of the micro-motion switches, the trigger heads of the micro-motion switches are not pressed by the outer contour of the cam of the micro-motion trigger piece, so that the trigger heads are popped up to output signals, and the trigger heads are at the standby power supply switching-on position or the common power supply switching-on position.
2. The external auxiliary switching device of an automatic transfer switch according to claim 1, wherein: the automatic transfer switch is characterized by further comprising a transmission disc and a main shaft, wherein the transmission disc is fixedly sleeved on the main shaft and fixedly connected with a moving contact of a contact system of an automatic transfer switch electric appliance, the micro-motion trigger is fixedly connected with the transmission disc, so that the moving contact and the micro-motion trigger synchronously rotate, and when the moving contact rotates to be in contact with a common power supply contact or a standby power supply contact, a corresponding micro-motion switch is triggered to output a signal.
3. The external auxiliary switching device of an automatic transfer switch according to claim 2, wherein: the first projection on the micro-motion trigger piece extends into the first groove on the transmission disc, so that the transmission disc can drive the micro-motion trigger piece to rotate together when rotating.
4. The external auxiliary switching device of an automatic transfer switch according to claim 1, wherein: a second groove is formed in the microswitch and matched with the lug of the shell; and the microswitch is also provided with an elastic buckle, and after being arranged in the shell through the second groove and the elastic buckle, the microswitch is clamped and fixed.
5. The external auxiliary switching device of an automatic transfer switch according to claim 3, wherein: and a protrusion is arranged in the first groove on the transmission disc, and a concave structure matched with the protrusion is arranged on the surface of the first convex block on the micro-motion trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023217492.XU CN213988760U (en) | 2020-12-28 | 2020-12-28 | External auxiliary switch device of automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023217492.XU CN213988760U (en) | 2020-12-28 | 2020-12-28 | External auxiliary switch device of automatic change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213988760U true CN213988760U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023217492.XU Active CN213988760U (en) | 2020-12-28 | 2020-12-28 | External auxiliary switch device of automatic change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213988760U (en) |
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2020
- 2020-12-28 CN CN202023217492.XU patent/CN213988760U/en active Active
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