Three-section automatic change-over switch mechanism

Abstract

The utility model relates to the technical field of three-section switches, and discloses a three-section automatic change-over switch mechanism, which comprises a power assembly shell and a shell movably arranged on one side of the power assembly shell. A connecting plate is fixedly installed on the side face of the power assembly shell, and a connecting piece is movably installed on one side of the connecting plate. The connecting plate moves upwards by moving the power assembly shell upwards, the L-shaped plate is driven to move upwards when the connecting plate moves upwards, the top plate is driven to move upwards when the L-shaped plate moves upwards, and the power assembly shell can be taken down when the top of the second limiting rod makes contact with the top of the inner side of the first limiting rod. Compared with a traditional device, the device fixes the position of the L-shaped plate through cooperation between the second spring and the top plate, meanwhile, the installation difficulty is reduced, and the installation convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of three-stage switches, and more specifically, to a three-stage automatic conversion switch mechanism. Background Art

[0002] The three-stage automatic transfer switch is a special type of electrical switch device, which is mainly used to automatically switch between power sources to ensure the continuity and reliability of power supply. The three-stage automatic transfer switch is widely used in occasions that require high reliability and uninterrupted power supply, such as metallurgy, electric power, rail transportation, exhibitions, stadiums, communications, military and other fields. In these fields, once a power failure occurs, it will have a significant impact on production and operation, so a three-stage automatic transfer switch is needed to ensure the continuity and stability of power supply.

[0003] The controller is responsible for monitoring the voltage, frequency and other parameters of the main power supply and the backup power supply, and comparing them with the preset thresholds. When the parameters of the main power supply exceed the preset range, the controller will issue a switching command to drive the switch mechanism to switch the load from the main power supply to the backup power supply. The entire switching process is usually fast and smooth to ensure that the normal operation of the load is not affected, but the general three-stage automatic transfer switch is more troublesome to install, so it needs to be modified and optimized. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a three-stage automatic transfer switch mechanism, which has the advantage of being easy to install and disassemble.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-stage automatic transfer switch mechanism, comprising a power assembly housing, a housing, the housing being movably arranged on one side of the power assembly housing;

[0006] A connecting plate is fixedly installed on the side of the power component housing, a connecting piece is movably installed on one side of the connecting plate, a groove 2 is opened inside the connecting piece, a groove 3 is opened on one side of the connecting piece, a spring 2 is fixedly installed on one side inside the groove 2, a top plate is fixedly installed on one end of the spring 2, a limiting rod 2 is fixedly installed on one side of the top plate, one end of the limiting rod 2 extends to the inside of the groove 3, an L-shaped plate is movably installed on a section inside the groove 2, one end of the L-shaped plate extends to the outside of the connecting piece, and one end of the L-shaped plate is fixedly connected to the connecting plate.

[0007] As a preferred technical solution of the present utility model, a first fixing block is fixedly installed on one side of the housing of the power assembly. A first spring is fixedly installed at the bottom end of the first fixing block. A lower pressing plate is fixedly installed at the bottom end of the first spring. A first limiting rod is fixedly installed at the top of the lower pressing plate. The top end of the first limiting rod extends into the first fixing block. A bolt is fixedly installed at the bottom of the lower pressing plate. A second fixing block is fixedly installed on the side surface of the housing. A first groove is formed above the second fixing block. The bottom of the bolt extends into the first groove.

[0008] As a preferred technical solution of the present utility model, the third groove is located above the second groove, and the third groove communicates with the second groove inside.

[0009] As a preferred technical solution of the present utility model, the L-shaped plate is located below the top plate, and the L-shaped plate is movably connected to the top plate.

[0010] As a preferred technical solution of the present utility model, a sliding rod is fixedly installed at the bottom of the first fixing block, and the sliding rod is movably sleeved with the lower pressing plate.

[0011] As a preferred technical solution of the present utility model, a keyhole is formed on one side of the housing of the power assembly, and the keyhole extends into the housing of the power assembly.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By moving the housing of the power assembly upward, the connecting plate moves upward. When the connecting plate moves upward, it drives the L-shaped plate to move upward. When the L-shaped plate moves upward, it drives the top plate to move upward. When the top of the second limiting rod contacts the top inside the first limiting rod, the housing of the power assembly can be removed at this time. Compared with the traditional device, through the cooperation between the second spring and the top plate, the position of the L-shaped plate is fixed, and at the same time, the installation difficulty is reduced, and the installation convenience is improved.

[0014] 2. By moving the lower pressing plate upward, the first limiting rod moves upward as the lower pressing plate moves upward. When both the first limiting rod and the lower pressing plate move upward, they drive the bolt to move upward. As the bolt moves upward, the bottom of the bolt completely moves out of the first groove. At this time, the housing of the power assembly can be separated from the housing. Compared with the traditional device, by separating the housing of the power assembly from the housing, it can be replaced when the housing of the power assembly or the keyhole is damaged, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the present utility model;

[0016] Figure 2 Schematic diagram of the side structure of the present utility model;

[0017] Figure 3 For the present utility model Figure 2 Partial enlarged schematic diagram at position A;

[0018] Figure 4 Internal structure schematic diagram of the connecting piece of the present utility model;

[0019] Figure 5 For the present utility model Figure 4 Partial enlarged schematic diagram at position B.

[0020] In the figure: 1. Power component housing; 2. Keyhole; 3. Housing; 4. First fixing block; 5. First spring; 6. First limiting rod; 7. Slide bar; 8. Lower pressing plate; 9. Second limiting rod; 10. Bolt; 11. First groove; 12. Second fixing block; 13. Connecting plate; 14. Connecting piece; 15. Second groove; 16. Third groove; 17. Second spring; 18. Top plate; 19. L-shaped plate. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] As Figures 1 to 5 shown, the present utility model provides a three-position automatic conversion switch mechanism, including a power component housing 1, a housing 3, and the housing 3 is movably arranged on one side of the power component housing 1;

[0023] A connecting plate 13 is fixedly installed on the side surface of the power component housing 1, a connecting piece 14 is movably installed on one side of the connecting plate 13, a second groove 15 is opened inside the connecting piece 14, a third groove 16 is opened on one side of the connecting piece 14, a second spring 17 is fixedly installed on one side inside the second groove 15, a top plate 18 is fixedly installed at one end of the second spring 17, a second limiting rod 9 is fixedly installed on one side of the top plate 18, one end of the second limiting rod 9 extends into the third groove 16, an L-shaped plate 19 is movably installed inside a section of the second groove 15, one end of the L-shaped plate 19 extends to the outside of the connecting piece 14, and one end of the L-shaped plate 19 is fixedly connected to the connecting plate 13.

[0024] When in use by the staff, the staff first move the power component housing 1 upward. When the power component housing 1 moves upward, it will drive the connecting plate 13 upward. When the connecting plate 13 moves upward, it will drive the L-shaped plate 19 upward. When the L-shaped plate 19 moves upward, it will drive the top plate 18 upward. When the top plate 18 moves upward, it will cause the second limiting rod 9 to move upward. When the second limiting rod 9 moves upward and the top plate 18 moves upward, the second spring 17 will be compressed. When the top of the second limiting rod 9 moves to the top inside the third groove 16, the power component housing 1 can be moved forward at this time, so that the power component housing 1 is separated from the connecting member 14.

[0025] By moving the power component housing 1 upward, the connecting plate 13 is driven upward. When the connecting plate 13 moves upward, it will drive the L-shaped plate 19 upward. When the L-shaped plate 19 moves upward, it will drive the top plate 18 upward. When the top of the second limiting rod 9 contacts the top inside the first limiting rod 6, the power component housing 1 can be removed at this time. Compared with the traditional device, through the cooperation between the second spring 17 and the top plate 18, the position of the L-shaped plate 19 is fixed, and at the same time, the installation difficulty is reduced and the installation convenience is improved.

[0026] Wherein, a first fixing block 4 is fixedly installed on one side of the power component housing 1. A first spring 5 is fixedly installed at the bottom end of the first fixing block 4. A lower pressing plate 8 is fixedly installed at the bottom end of the first spring 5. A first limiting rod 6 is fixedly installed at the top of the lower pressing plate 8. The top end of the first limiting rod 6 extends into the inside of the first fixing block 4. A plug 10 is fixedly installed at the bottom of the lower pressing plate 8. A second fixing block 12 is fixedly installed on the side surface of the housing 3. A first groove 11 is opened above the second fixing block 12. The bottom of the plug 10 extends into the inside of the first groove 11.

[0027] When in use by the staff, the staff first move the lower pressing plate 8 upward. When the lower pressing plate 8 moves upward, it will drive the first limiting rod 6 upward. When both the first limiting rod 6 and the lower pressing plate 8 move upward, the first spring 5 will be compressed. When the first spring 5 is compressed and the lower pressing plate 8 moves upward, it will drive the plug 10 upward. When the plug 10 moves upward, it will drive the bottom of the plug 10 to gradually move upward. When the bottom of the plug 10 completely moves out of the inside of the first groove 11, the housing 3 can be removed at this time.

[0028] By moving the lower pressing plate 8 upward, as the lower pressing plate 8 moves upward, it will drive the first limiting rod 6 upward. When both the first limiting rod 6 and the lower pressing plate 8 move upward, it will drive the bolt 10 upward. As the bolt 10 moves upward, the bottom of the bolt 10 will completely move out of the inner part of the first groove 11. At this time, the power component housing 1 can be separated from the housing 3. Compared with the traditional device, by separating the power component housing 1 from the housing 3, when the power component housing 1 or the keyhole 2 is damaged, it can be replaced, thereby improving the working efficiency of the device.

[0029] Among them, the third groove 16 is located above the second groove 15, and the interiors of the third groove 16 and the second groove 15 communicate with each other.

[0030] Through the cooperation of the third groove 16 and the second groove 15, the second limiting rod 9 moves inside the second groove 15 and the third groove 16.

[0031] Among them, the L-shaped plate 19 is located below the top plate 18, and the L-shaped plate 19 is movably connected to the top plate 18.

[0032] Through the design of the L-shaped plate 19 and the top plate 18, the top plate 18 fixes the position of the L-shaped plate 19.

[0033] Among them, a sliding rod 7 is fixedly installed at the bottom of the first fixing block 4, and the sliding rod 7 is movably sleeved with the lower pressing plate 8.

[0034] Through the design of the sliding rod 7, when the lower pressing plate 8 moves downward, its height can be restricted.

[0035] Among them, a keyhole 2 is opened on one side of the power component housing 1, and the keyhole 2 extends into the interior of the power component housing 1.

[0036] By inserting a key into the interior of the keyhole 2, it is convenient to activate the device.

[0037] The working principle and usage process of the present utility model:

[0038] When the staff uses it, the staff first moves the power component housing 1 upward. When the power component housing 1 moves upward, it will drive the connecting plate 13 upward. When the connecting plate 13 moves upward, it will drive the L-shaped plate 19 upward. When the L-shaped plate 19 moves upward, it will drive the top plate 18 upward. When the top plate 18 moves upward, it will cause the second limiting rod 9 to move upward. When the second limiting rod 9 moves upward and the top plate 18 moves upward, the second spring 17 will be compressed. When the top of the second limiting rod 9 moves to the top inside the third groove 16, at this time, the power component housing 1 can be moved forward to separate the power component housing 1 from the connecting member 14.

[0039] When in use by the staff, the staff first moves the lower pressing plate 8 upward. When the lower pressing plate 8 moves upward, it will drive the first limiting rod 6 upward. When both the first limiting rod 6 and the lower pressing plate 8 move upward, the first spring 5 will be compressed. When the first spring 5 is compressed and the lower pressing plate 8 moves upward, it will drive the bolt 10 upward. When the bolt 10 moves upward, the bottom of the bolt 10 will gradually move upward. When the bottom of the bolt 10 completely moves out of the inside of the first groove 11, the housing 3 can be removed at this time.

[0040] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-stage automatic transfer switch mechanism, comprising a power assembly housing (1) and a housing (3), characterized in that: The housing (3) is movably arranged on one side of the power component housing (1); A connecting plate (13) is fixedly mounted on the side of the power component housing (1), a connecting piece (14) is movably mounted on one side of the connecting plate (13), a second groove (15) is provided inside the connecting piece (14), a third groove (16) is provided on one side of the connecting piece (14), a second spring (17) is fixedly mounted on one side of the second groove (15), a top plate (18) is fixedly mounted on one end of the second spring (17), a second limit rod (9) is fixedly mounted on one side of the top plate (18), one end of the second limit rod (9) extends to the inside of the third groove (16), an L-shaped plate (19) is movably mounted on a section of the inside of the second groove (15), one end of the L-shaped plate (19) extends to the outside of the connecting piece (14), and one end of the L-shaped plate (19) is fixedly connected to the connecting plate (13).

2. A three-stage automatic transfer switch mechanism according to claim 1, characterized in that: A fixing block 1 (4) is fixedly mounted on one side of the power component housing (1), a spring 1 (5) is fixedly mounted on the bottom end of the fixing block 1 (4), a lower pressure plate (8) is fixedly mounted on the bottom end of the spring 1 (5), a limiting rod 1 (6) is fixedly mounted on the top of the lower pressure plate (8), the top end of the limiting rod 1 (6) extends to the inside of the fixing block 1 (4), a latch (10) is fixedly mounted on the bottom of the lower pressure plate (8), a fixing block 2 (12) is fixedly mounted on the side of the housing (3), a groove 1 (11) is provided above the fixing block 2 (12), and the bottom of the latch (10) extends to the inside of the groove 1 (11).

3. A three-stage automatic transfer switch mechanism according to claim 1, characterized in that: The groove three (16) is located above the groove two (15), and the groove three (16) is interconnected with the interior of the groove two (15).

4. A three-stage automatic transfer switch mechanism according to claim 1, characterized in that: The L-shaped plate (19) is located below the top plate (18), and the L-shaped plate (19) is movably connected to the top plate (18).

5. A three-stage automatic transfer switch mechanism according to claim 2, characterized in that: A sliding rod (7) is fixedly mounted on the bottom of the fixed block 1 (4), and the sliding rod (7) is movably sleeved with the lower pressing plate (8).

6. A three-stage automatic transfer switch mechanism according to claim 1, characterized in that: A key hole (2) is provided on one side of the power component housing (1), and the key hole (2) extends to the interior of the power component housing (1).

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