Working state indicating mechanism of automatic change-over switch

Abstract

The utility model relates to a working state indicating mechanism of an automatic change-over switch, which comprises an indicating dial rotationally arranged on a mechanism frame, a tension spring arranged between the indicating dial and the mechanism frame, a change-over disc arranged on a rotating shaft in a linkage manner, and two pull rods arranged on the mechanism frame in parallel and corresponding to the position between the indicating dial and the change-over disc, the indicating dial is provided with a double-opening position mark corresponding to an indicating window of the shell, one side of the indicating dial is provided with a first-path power source mark and a second-path power source mark corresponding to the two sides of the double-opening position mark respectively, and the two ends of the two pull rods are connected to the conversion disc and the indicating dial respectively. And the two pull rods act along with the conversion disc and drive the indication disc to rotate. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly and reliable working state indication.

Description

Technical Field

[0001] The utility model relates to a dual power automatic transfer switch, in particular to a working state indicating mechanism of the automatic transfer switch. Background Art

[0002] At present, the dual power automatic transfer switch, as the name implies, automatically connects to the backup power supply through the dual power switch when the power is suddenly cut off, so that our operation will not be interrupted and can continue to operate. The purpose of the dual power automatic transfer switch is simply to use one line for common use and one line for backup. When the common power suddenly fails or the power is cut off, the dual power switch is used to automatically switch to the backup power supply so that the equipment can still operate normally. Many industries and departments have very high requirements for the reliability of power supply. In order to ensure the continuity of power supply, many important occasions use dual power automatic transfer switches to power electrical appliances. As an essential device for power switching, the requirements for its technical performance are also getting higher and higher. The structural design of the working status indication mechanism of the existing automatic transfer switch is relatively complex, the working status indication is unreliable, and the assembly is relatively cumbersome. Summary of the invention

[0003] The utility model aims to overcome the defects of the prior art and provide a working state indicating mechanism of an automatic transfer switch which has a simple structure, stable and reliable performance, convenient assembly and reliable working state indication.

[0004] To achieve the above-mentioned purpose, the utility model adopts a working status indicating mechanism of an automatic transfer switch, including an indicating disk rotatably arranged on a mechanism frame, a tension spring arranged between the indicating disk and the mechanism frame, a transfer disk linked to a rotating shaft, and two pull rods arranged on the mechanism frame in parallel at positions corresponding to the indicating disk and the transfer disk. A double position mark is arranged at an indicating window of a shell corresponding to the indicating disk on the indicating disk, and a one-way power supply mark and a two-way power supply mark are respectively arranged at both sides of the double position mark on one side of the indicating disk. The two ends of the two pull rods are respectively connected to the transfer disk and the indicating disk, and the two pull rods move with the transfer disk and drive the indicating disk to rotate.

[0005] The beneficial effect of the above structure is that the working state indicating mechanism adopts a double-pull rod transmission structure design, the structural design is simpler, the transmission is more reliable, the conversion disk drives the indicating disk to move through the two pull rods, thereby ensuring that the conversion disk can reliably drive the indicating disk to perform the working state indicating action, and the working state indication is more reliable. Therefore, the working state indicating mechanism has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable working state indication.

[0006] In particular, a micro switch is provided on the mechanism frame at both sides of the corresponding conversion disk, and the conversion disk has a convex block matched with the micro switch, and the convex block moves with the conversion disk and triggers the micro switch to realize the connection or disconnection of the micro switch. The two micro switches can monitor the working position of the conversion disk, thereby facilitating the working reliability of the working state indicating mechanism.

[0007] In particular, guide holes are respectively arranged on the mechanism frame at positions corresponding to the two pull rods, the two pull rods are inserted into the guide holes, and the two pull rods move with the conversion disk and reciprocate in the guide holes. The two pull rods are arranged in the guide holes of the mechanism frame, thereby ensuring that the two pull rods can move reliably, which is beneficial to improving the working reliability of the working status indication mechanism.

[0008] In particular, the indicator disk is provided with two guide holes matched with the two pull rods, the bending parts at one end of the two pull rods are connected in the guide holes, and the conversion disk is provided with two drive holes matched with the two pull rods, and the clamping parts at the other end of the two pull rods are clamped in the two drive holes. The two ends of the two pull rods are respectively connected in the two guide holes of the indicator disk and the two drive holes of the conversion disk, so as to facilitate the assembly of the two pull rods, the indicator disk and the conversion disk, and the assembly is more convenient, and it can ensure that the conversion disk can reliably drive the indicator disk to move, which is conducive to improving the working reliability of the working status indicating mechanism.

[0009] In particular, a positioning shaft is provided on the mechanism frame corresponding to the indicating disk, a positioning hole matched with the positioning shaft is provided on the indicating disk, the positioning shaft is inserted into the positioning hole, and a rotation connection is formed between the indicating disk and the positioning shaft. The mechanism frame is connected to the indicating disk via the positioning shaft, so that the assembly of the indicating disk and the mechanism frame is convenient, the assembly is more convenient, and the indicating disk can be more flexible and the indication is more reliable.

[0010] In particular, one end of the rotating shaft has a square shaft portion, and the conversion disk is provided with a square hole, and the square shaft portion is engaged in the square hole, and constitutes a snap fit between the rotating shaft and the conversion disk. The rotating shaft is engaged in the square hole of the conversion disk through the square shaft portion, thereby facilitating the assembly of the rotating shaft and the conversion disk, and the assembly is more convenient.

[0011] In particular, a through hole matching the tension spring is provided on the other side of the indicator disk, one end of the tension spring is engaged in the through hole, and the other end of the tension spring is engaged in the positioning plate of the mechanism frame. The two ends of the tension spring are respectively engaged in the through hole of the indicator disk and the positioning plate of the mechanism frame, thereby facilitating the assembly of the tension spring, the indicator disk and the mechanism frame, and achieving higher assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a stereogram of an embodiment of the utility model.

[0013] Figure 2 This is an exploded view of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] like Figure 1 , 2 As shown, the embodiment of the utility model is a working status indicating mechanism of an automatic transfer switch, including an indicating disk 11 rotatably arranged on a mechanism frame 10, a tension spring 12 arranged between the indicating disk 11 and the mechanism frame 10, a transfer disk 14 linked to a rotating shaft 13, and two pull rods 15 arranged on the mechanism frame 10 in parallel at positions corresponding to the indicating disk 11 and the transfer disk 14. A double position mark 111 is arranged at an indicating window 161 of a housing 16 on the indicating disk 11, and a one-way power supply mark 112 and a two-way power supply mark 113 are respectively arranged on both sides of the double position mark 111 on one side of the indicating disk 11. The two ends of the two pull rods 15 are respectively connected to the transfer disk 14 and the indicating disk 11, and the two pull rods 15 move with the transfer disk 14 and drive the indicating disk 11 to rotate. A micro switch 17 is provided on the mechanism frame 10 at the two sides of the corresponding conversion disk 14. The conversion disk 14 has a protrusion 141 that matches the micro switch 17. The protrusion 141 moves with the conversion disk 14 and triggers the micro switch 17, and realizes the connection or disconnection of the micro switch 17. The two micro switches can monitor the working position of the conversion disk, which is beneficial to improve the working reliability of the working status indication mechanism. Guide holes 101 are provided on the mechanism frame 10 at the corresponding two pull rods 15. The two pull rods 15 are inserted in the guide holes 101. The two pull rods 15 move with the conversion disk 14 and reciprocate in the guide holes 101. The two pull rods are arranged in the guide holes of the mechanism frame, so that the two pull rods can be ensured to move reliably, which is beneficial to improve the working reliability of the working status indication mechanism.

[0015] like Figure 2As shown, the indicator disk 11 is provided with two guide holes 114 respectively matched with the two pull rods 15, the bending parts 151 at one end of the two pull rods 15 are connected in the guide holes 114, and the conversion disk 14 is provided with two driving holes 131 respectively matched with the two pull rods 15, and the clamping parts 152 at the other ends of the two pull rods 15 are clamped in the two driving holes 131. The two ends of the two pull rods are respectively connected in the two guide holes of the indicator disk and the two driving holes of the conversion disk, so as to facilitate the assembly of the two pull rods with the indicator disk and the conversion disk, and the assembly is more convenient, and it can ensure that the conversion disk can reliably drive the indicator disk to move, which is conducive to improving the working reliability of the working state indicating mechanism. The mechanism frame 10 is provided with a positioning shaft 102 corresponding to the indicator disk 11, and the indicator disk 11 is provided with a positioning hole 115 matched with the positioning shaft 102, and the positioning shaft 102 is inserted in the positioning hole 115, and constitutes the rotation connection cooperation between the indicator disk 11 and the positioning shaft 102. The mechanism frame is connected to the indicator disk through a positioning shaft, so that the assembly of the indicator disk and the mechanism frame is convenient, and the assembly is more convenient, and the action of the indicator disk is more flexible and the indication is more reliable. The rotating shaft 13 has a square shaft portion 131 at one end, and the conversion disk 14 is provided with a square hole 142. The square shaft portion 131 is engaged in the square hole 142, and constitutes the engagement of the rotating shaft 13 and the conversion disk 14. The rotating shaft is engaged in the square hole of the conversion disk through the square shaft portion, so that the assembly of the rotating shaft and the conversion disk is convenient, and the assembly is more convenient. The other side of the indicator disk 11 is provided with a through hole 116 that matches the tension spring 12. One end of the tension spring 12 is engaged in the through hole 116, and the other end of the tension spring 12 is engaged on the positioning plate 103 of the mechanism frame 10. The two ends of the tension spring are respectively engaged in the through hole of the indicator disk and the positioning plate of the mechanism frame, so that the assembly of the tension spring, the indicator disk and the mechanism frame is convenient, and the assembly efficiency is higher.

[0016] The working status indication mechanism adopts a double-pull rod transmission structure design, which has a simpler structural design and more reliable transmission. The conversion disk drives the indicating disk to move through two pull rods, thereby ensuring that the conversion disk can reliably drive the indicating disk to perform the working status indication action, and the working status indication is more reliable. Therefore, the working status indication mechanism has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable working status indication.

Claims

1. A working status indication mechanism of an automatic transfer switch, characterized in that: It includes an indicator disk rotatably arranged on a mechanism frame, a tension spring arranged between the indicator disk and the mechanism frame, a conversion disk linked to a rotating shaft, and two pull rods arranged on the mechanism frame in parallel at positions corresponding to the indicator disk and the conversion disk. A double position mark is arranged at an indicator window of a shell corresponding to the indicator disk, and a one-way power supply mark and a two-way power supply mark are respectively arranged on both sides of the double position mark on one side of the indicator disk. The two ends of the two pull rods are respectively connected to the conversion disk and the indicator disk. The two pull rods move with the conversion disk and drive the indicator disk to rotate.

2. The working status indicating mechanism of the automatic transfer switch according to claim 1 is characterized in that: A micro switch is respectively arranged on both sides of the corresponding conversion disk on the mechanism frame. The conversion disk has a convex block matched with the micro switch. The convex block moves with the conversion disk and triggers the micro switch to realize the connection or disconnection of the micro switch.

3. The working status indicating mechanism of the automatic transfer switch according to claim 1 or 2, characterized in that: The mechanism frame is provided with guide holes at positions corresponding to the two pull rods, and the two pull rods are inserted into the guide holes. The two pull rods move along with the conversion disk and reciprocate in the guide holes.

4. The working status indicating mechanism of the automatic transfer switch according to claim 3 is characterized in that: The indicator plate is respectively provided with two guide holes matching with the two pull rods, the bending parts at one end of the two pull rods are connected in the guide holes, the conversion plate is respectively provided with two drive holes matching with the two pull rods, the clamping parts at the other end of the two pull rods are clamped in the two drive holes.

5. The working status indicating mechanism of the automatic transfer switch according to claim 1 or 2, characterized in that: A positioning shaft is arranged on the mechanism frame corresponding to the indicating disk, a positioning hole matching with the positioning shaft is arranged on the indicating disk, the positioning shaft is inserted into the positioning hole, and the rotating connection between the indicating disk and the positioning shaft is formed.

6. The working status indicating mechanism of the automatic transfer switch according to claim 1 or 2, characterized in that: One end of the rotating shaft has a square shaft portion, and the conversion disk is provided with a square hole. The square shaft portion is engaged in the square hole, and constitutes a snap fit between the rotating shaft and the conversion disk.

7. The working status indicating mechanism of the automatic transfer switch according to claim 1 or 2, characterized in that: A through hole matched with the tension spring is arranged on the other side of the indicating disk, one end of the tension spring is engaged in the through hole, and the other end of the tension spring is engaged in the positioning plate of the mechanism frame.

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