CN212485155U

CN212485155U - Control switch trigger mechanism of dual-power automatic transfer switch

Info

Publication number: CN212485155U
Application number: CN202021323773.0U
Authority: CN
Inventors: 刘荣清; 郑玖贤; 叶金飞
Original assignee: One Two Three Electric Co ltd
Current assignee: One Two Three Electric Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-02-05
Anticipated expiration: 2030-07-08

Abstract

The utility model relates to a dual supply automatic transfer switch, concretely relates to dual supply automatic transfer switch's control switch trigger mechanism. A control switch trigger mechanism of a dual-power automatic transfer switch comprises a control switch fixed on a shell and a touch piece used for touching a touch end of the control switch, wherein the control switch is positioned on the side of the touch piece, the touch end of the control switch is close to the touch piece, the touch piece is linked with a driving motor of a switching mechanism, and the touch piece moves along the front and back direction under the action of the driving motor so as to enable the touch piece to contact the touch end of the control switch or be separated from the touch end of the control switch; when the number of the control switches is at least two, at least one control switch is positioned at the left and right sides or the front and rear sides of the other control switch. The utility model has the advantages of it is more stable to enable the touch piece and the touch end contact of control switch, makes control switch's use more reliable.

Description

Control switch trigger mechanism of dual-power automatic transfer switch

Technical Field

The utility model relates to a dual supply automatic transfer switch, concretely relates to dual supply automatic transfer switch's control switch trigger mechanism.

Background

The dual-power automatic transfer switch is often used together with a control switch, the control switch mostly adopts a microswitch, some control switches are used for switching-on indication, and some control switches are used for electric interlocking. The dual-power automatic transfer switch is provided with a switching mechanism, the switching mechanism comprises a driving motor, the driving motor is linked with the touch piece through a connecting rod structure, the two control switches are stacked and fixed together, and the driving motor drives the touch piece to move so that the end part of the touch piece is simultaneously contacted with the touch ends of the two control switches to realize signal conversion.

If the installation position of the control switch deviates from the set position or the length of the touch member is different, there is a possibility that the touch member moves to the maximum stroke position and cannot trigger the control switch. The control switches are stacked together, and often only one control switch is triggered, so that the control switch is not reliably triggered. The micro switch is provided with two through holes, the micro switch is pressed and fixed on the shell through the through holes by screws, and the micro switch is crushed or cannot be normally reset due to the excessive tightening of the screws. And the control switch is easy to shake under the impact of the touch piece, and the control switch can generate a little displacement, so that the triggering is more unreliable.

Disclosure of Invention

The utility model aims at providing a enable control switch and use more reliable dual supply automatic transfer switch's control switch trigger mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a control switch trigger mechanism of a dual-power automatic transfer switch comprises a control switch fixed on a shell and a touch piece used for touching a touch end of the control switch, wherein the control switch is positioned on the side of the touch piece, the touch end of the control switch is close to the touch piece, the touch piece is linked with a driving motor of a switching mechanism, and the touch piece moves along the front and back direction under the action of the driving motor so as to enable the touch piece to contact the touch end of the control switch or be separated from the touch end of the control switch; when the number of the control switches is at least two, at least one control switch is positioned at the left and right sides or the front and rear sides of the other control switch.

The utility model discloses a touch part is along the fore-and-aft direction removal, and control switch is located the touch part left and right sides, is through the touch part side with control switch touch end contact, needn't worry the touch part front end that can not touch the condition that the end contact with control switch touch that the stroke that the touch part back-and-forth movement is not enough leads to; when the number of the control switches is at least two, the control switches are not arranged in a stacking mode, and the condition that the touch end of the control switch is not in contact with the touch piece due to inclination of the touch piece or uneven stress does not need to be worried about. The utility model discloses enable control switch's triggering more stable, it is more reliable to use. The touch piece can be linked with the driving motor in various modes, the driving motor can be a speed reducing motor, and the touch piece can be linked with the driving motor by adopting a connecting rod structure.

Preferably, the left side and the right side of the touch piece are both provided with control switches, and the touch piece is provided with a left contact part for contacting with the left control switch, a right contact part for contacting with the right control switch and a connecting part connected between the left contact part and the right contact part. Because the existence of connecting portion, the difficult left and right sides of contact left part and contact right part are rocked, and the contact piece atress is more even, and the contact effect is better with control switch's trigger end to the contact piece.

Preferably, the left side and the right side of the touch piece are respectively provided with a control switch, and the two control switches are arranged in a left-right symmetrical mode. The arrangement ensures that the contact effect of the contact part and the contact end of the control switch is better, and the use of the control switch is more reliable.

Preferably, the connecting portion is located at the front end of the left contact portion and the front end of the right contact portion, and the width of the connecting portion gradually increases from front to back, so that the connecting portion forms a V-shaped structure. Wherein, the touch piece of the utility model can be formed by bending the strip-shaped piece. The connecting part is narrow in front and wide in back so that the touch part can enter between the left control switch and the right control switch.

Preferably, the housing is provided with at least two first guide protrusions, the left side and the right side of the touch member are respectively provided with at least one first guide protrusion, and the touch member is limited between the first guide protrusion on the left side and the first guide protrusion on the right side. The first guide bulge is used for limiting the left-right swing of the touch piece so that the touch piece is more stably contacted with the touch end of the control switch.

Preferably, the housing is provided with at least one second guide protrusion, and the second guide protrusion is located between the left contact portion and the right contact portion. The arrangement further stabilizes the contact between the touch member and the touch end of the control switch.

Preferably, the shell is provided with a guide groove, the guide groove is arranged along the front-back direction, the touch part is fixed with the guide block, the guide block is positioned in the guide groove, and the side surfaces of the guide block corresponding to the groove wall of the guide groove are both planes. The guide block and the guide groove form guide to avoid the touch piece from inclining when moving, and ensure the reliable contact of the touch piece and the touch end of the control switch.

Preferably, contact left part rear end and contact right part rear end all extend in order to be formed with the fixed part to side, the fixed part is fixed in the fixed block front side, the terminal surface is equipped with the first locating protrusion that extends forward before the fixed block, the fixed part is equipped with the first locating hole of backward open-ended, first locating protrusion stretches into in the first locating hole. The design of first location arch and first locating hole to the fixed effect that makes touch and move the piece is better with the fixed block, and the fixed that enables touch is more stable, and the wholeness is better, and anti impact fatigue strength is better.

Preferably, the circumferential sides of the control switches are provided with a plurality of limiting blocks, the limiting blocks are L-shaped or enclosed, and each control switch is limited between the two L-shaped limiting blocks or positioned inside the enclosed limiting blocks. The limiting block can limit the movement of the control switch, so that the control switch can be more reliably fixed.

Preferably, the shell is provided with a gland, the gland is fixed with the shell to limit the control switch between the end face of the gland and the end face of the shell, and the shell or/and the gland are/is provided with the limiting blocks; and a second positioning hole and a second positioning column which are matched with each other and are used for extending into the second positioning hole are arranged between the gland and the shell. The design of the second positioning hole and the second positioning column can better align the gland with the shell. When the control switch adopts the micro switch, the second positioning column can penetrate through the through hole on the control switch so as to better position the control switch. Wherein, the gland can be fixed with the casing through multiple modes such as fastener is fixed. The gland is arranged to further limit the displacement of the control switches so as to ensure that the touch part can be contacted with or separated from the touch ends of the two control switches at the same time.

The utility model has the advantages of it is more stable to enable the touch piece and the touch end contact of control switch, makes control switch's use more reliable.

Drawings

Fig. 1 is a usage state diagram of the present invention;

fig. 2 is a schematic structural view of the connecting rod structure of the present invention;

fig. 3 is a schematic structural diagram of the housing of the present invention;

fig. 4 is a schematic structural view of the gland of the present invention;

fig. 5 is a schematic structural view of the triggering member of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

By figure 1 to 5, the utility model discloses a dual supply automatic transfer switch's control switch trigger mechanism, including being fixed in two control switch 2 on the casing 1, and be used for touching 3 of the touch end 21 of control switch 2, two control switch 2 are located one of them side on the touch 3 left and right sides respectively, and the touch end 21 of control switch 2 is close to touch 3, and two control switch 2 bilateral symmetry set up. The control switch 2 of the present embodiment is a microswitch.

The touch member 3 is linked with a driving motor 41 of the switching mechanism through a link structure, and the touch member 3 moves in the front-rear direction under the action of the driving motor 41, so that the touch member 3 contacts with the touch end 21 of the control switch 2 or is separated from the touch end 21 of the control switch 2. The touch piece 3 has a left contact portion 31 for contacting with the left control switch, a right contact portion 32 for contacting with the right control switch, and a connecting portion 33 connected between the front end of the left contact portion 31 and the front end of the right contact portion 32, wherein the width of the connecting portion 33 gradually increases from front to back, so that the connecting portion 33 forms a V-shaped structure. The rear end of the left contact portion 31 and the rear end of the right contact portion 32 extend laterally to form a fixing portion 34, and the left contact portion 31, the right contact portion 32, the connecting portion 33, and the fixing portion 34 are formed in a zigzag configuration. Wherein, fixed part 34 is fixed in the fixed block 5 front side, and the terminal surface is equipped with the first locating protrusion 51 of extending forward before the fixed block 5, and fixed part 34 is equipped with the first locating hole of backward opening, and first locating protrusion 51 stretches into in the first locating hole. The fixed portion 34 of the trigger 3 is fixed to the front side of the fixed block 5 by caulking.

Two first guide bulges 11 are arranged on the shell 1, the left side and the right side of the touch piece 3 are respectively provided with one first guide bulge 11, and the touch piece 3 is limited between the first guide bulge on the left side and the first guide bulge on the right side. The housing 1 is provided with a second guide protrusion 12, and the second guide protrusion 12 is located between the left contact portion 31 and the right contact portion 32.

The shell 1 is provided with a guide groove 13, the guide groove 13 is arranged along the front-back direction, the touch piece 3 is fixed with a guide block 6 with a square cross section, the guide block 6 is positioned in the guide groove 13, and the side surfaces of the guide block 6 corresponding to the groove walls of the guide groove are planes. Wherein the guide block 6 is fixed to the lower side of the fixing block 5.

Wherein, the connecting rod structure is including setting up in the turning block 42 of driving motor 41 output, is equipped with the connecting rod 44 of vertical setting on the fixed block 5, and connecting rod 44 and the rotatable fixed of connecting plate 45 rear end are equipped with the bar groove 47 in the connecting plate 45 front end, are equipped with the gangbar 48 in the bar groove 47, and the gangbar 48 is fixed with turning block 42 edge. The driving motor 41 is rotated out of the shaft to rotate the rotating block 42 to move the link plate of the belt back and forth to move the trip member 3 back and forth along the guide groove 13.

Two limiting blocks 14 are arranged on the circumferential sides of the control switches 2, the limiting blocks 14 are L-shaped, and each control switch 2 is limited between the two L-shaped limiting blocks 14. Be equipped with gland 15 on the casing 1, gland 15 is fixed with casing 1 through the screw in order to restrict control switch 2 between gland 15 terminal surface and casing 1 terminal surface, all is equipped with on casing 1 and the gland 15 stopper 14. A second positioning hole 17 and a second positioning column 16 are disposed between the pressing cover 15 and the housing, wherein the second positioning hole 17 and the second positioning column are matched with each other.

Claims

1. A control switch trigger mechanism of a dual-power automatic transfer switch is characterized by comprising a control switch fixed on a shell and a touch piece used for touching a touch end of the control switch, wherein the control switch is positioned on the side of the touch piece, the touch end of the control switch is close to the touch piece, the touch piece is linked with a driving motor of a switching mechanism, and the touch piece moves in the front-back direction under the action of the driving motor so as to enable the touch piece to contact the touch end of the control switch or be separated from the touch end of the control switch; when the number of the control switches is at least two, at least one control switch is positioned at the left and right sides or the front and rear sides of the other control switch.

2. The control switch triggering mechanism of the dual power automatic transfer switch according to claim 1, wherein the left and right sides of the touch member are each provided with a control switch, and the touch member has a left contact portion for contacting with the left control switch, a right contact portion for contacting with the right control switch, and a connecting portion connected between the left contact portion and the right contact portion.

3. The control switch triggering mechanism of the dual power automatic transfer switch according to claim 2, wherein the left and right sides of the triggering member are respectively provided with a control switch, and the two control switches are arranged in bilateral symmetry.

4. The control switch triggering mechanism of the dual power automatic transfer switch according to claim 2, wherein the connecting portion is located at a front end of a contact left portion and a front end of a contact right portion, and the width of the connecting portion gradually increases from front to back, so that the connecting portion forms a V-shaped structure.

5. The trigger mechanism of the dual power automatic transfer switch as claimed in claim 1, wherein the housing has at least two first guide protrusions, the left and right sides of the triggering member each have at least one first guide protrusion, and the triggering member is limited between the left first guide protrusion and the right first guide protrusion.

6. The control switch triggering mechanism of the dual power automatic transfer switch according to claim 2, wherein the housing is provided with at least one second guiding protrusion, and the second guiding protrusion is located between the left contact portion and the right contact portion.

7. The trigger mechanism of the dual-power automatic transfer switch of claim 1, wherein the housing has a guide groove, the guide groove is disposed along a front-back direction, the triggering member is fixed to the guide block, the guide block is disposed in the guide groove, and the side surfaces of the guide block corresponding to the groove walls of the guide groove are flat.

8. The control switch triggering mechanism of the dual power automatic transfer switch according to claim 2, wherein the contact left rear end and the contact right rear end both extend laterally to form a fixing portion, the fixing portion is fixed to a front side of the fixing block, a first positioning protrusion extending forward is disposed on a front end surface of the fixing block, the fixing portion is provided with a first positioning hole opening backward, and the first positioning protrusion extends into the first positioning hole.

9. The control switch triggering mechanism of the dual-power automatic transfer switch according to claim 1, wherein a plurality of limiting blocks are arranged on the circumferential side of the control switch, the limiting blocks are in an L shape or a surrounding shape, and each control switch is limited between two L-shaped limiting blocks or positioned inside the surrounding limiting blocks.

10. The control switch triggering mechanism of the dual-power automatic transfer switch according to claim 9, wherein a gland is disposed on the housing, the gland is fixed with the housing to limit the control switch between a gland end face and a housing end face, and the housing or/and the gland are provided with the limiting blocks; and a second positioning hole and a second positioning column which are matched with each other and are used for extending into the second positioning hole are arranged between the gland and the shell.