Contactor contact mechanism

Abstract

The utility model discloses a contactor contact mechanism, which comprises a mounting plate, a plurality of copper guide sheets are mounted in the mounting plate, movable contacts are mounted at the bottoms of the copper guide sheets, static contacts are arranged below the movable contacts, and when the movable contacts are in surface contact with the static contacts, the movable contacts are in surface contact with the static contacts. A fixed shaft, a rotating sleeve, a limiting plate, a mounting plate, a copper guide sheet, a movable contact, a connecting plate, a static contact and a static contact are arranged to form a contact device, so that the movable contact can swing up and down, when the movable contact is in contact with the static contact, the lower surface of the movable contact can be completely attached to the upper surface of the static contact to form surface contact, the contact connection is expanded, and the contact efficiency is improved. When the movable contact and the static contact are abraded, the abrasion degree is kept consistent, the phenomenon of excessive local abrasion is avoided, meanwhile, the temperature rise speed of the contacts is reduced, the abrasion and aging speed is delayed, the service life is prolonged, and the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of contactors, in particular to a contact mechanism of a contactor. Background Art

[0002] When the contactor is used for a long time, its moving contact and static contact are often easily worn out during long-term contact. In addition, in some existing contactors, the moving contact and static contact are in point contact, which further aggravates the wear. At the same time, due to the small contact area, the temperature of the contact part rises too quickly, which accelerates aging and reduces the service life. Utility Model Content

[0003] The purpose of the utility model is to provide a contactor contact mechanism to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a contactor contact mechanism, including a mounting plate, a plurality of copper guide plates are installed in the mounting plate, a moving contact is installed at the bottom of the copper guide plate, a static contact is arranged below the moving contact, and when the moving contact contacts the static contact, it is a surface contact.

[0005] Optionally, a mounting block is provided below the mounting plate, a support plate is installed on the top of the mounting block, a fixed shaft is installed on the front side of the support plate, a rotatable rotating sleeve is sleeved on the surface of the fixed shaft, and the mounting plate is installed on the upper surface of the rotating sleeve.

[0006] Optionally, connecting plates are installed on both left and right sides of the mounting block, a static contact is installed on the top of the connecting plate, and the top of the static contact is connected to the bottom of the static contact.

[0007] Optionally, the angle between the upper surface of the stationary contact and the horizontal plane is 13 degrees, so that the angle between the upper surface of the stationary contact and the horizontal plane is also 13 degrees.

[0008] Optionally, a mounting platform is provided below the mounting block, a connecting sleeve which is transparent up and down is installed on the top of the mounting platform, a slide groove 1 is provided in the wall of the connecting sleeve, a sliding sleeve which is transparent up and down is slidably connected in the slide groove 1, the sliding sleeve can slide up and down in the slide groove 1, a spring 2 is installed on the top of the mounting platform, one end of the spring 2 away from the mounting platform is connected to the bottom of the mounting block, and the spring 2 is located in the transparent space inside the connecting sleeve and the sliding sleeve.

[0009] Optionally, a plurality of slide grooves 2 are provided in the mounting platform, a slider is slidably connected in the slide grooves 2, an upwardly concave groove is provided at the bottom of the mounting platform, a connecting block is installed at the bottom of the slider, and the connecting block is located in the groove.

[0010] Optionally, a plurality of left and right transparent slots are opened in the mounting platform, a connecting rod is installed on the side of the connecting block close to the slot, the connecting rod passes through the slot, a fixing plate is installed on the end of the connecting rod away from the connecting block, and a fixing tooth is installed on the side of the fixing plate away from the connecting block.

[0011] Optionally, the specific number of the connecting blocks is two, an elastic sheet is arranged in the groove, the center of the elastic sheet protrudes downward, the two ends of the elastic sheet are respectively installed at the bottom of the two connecting blocks, and a spring three is connected and installed between the two connecting blocks.

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

[0013] 1. The utility model forms a contact device by setting a fixed shaft, a rotating sleeve, a limit plate, a mounting plate, a copper guide, a moving contact, a connecting plate, a stationary contact and a stationary contact, so that the moving contact can swing up and down, so that when the moving contact contacts the stationary contact, the lower surface of the moving contact can completely fit with the upper surface of the stationary contact to form a surface contact, so that the contact connection is expanded, and the degree of wear of the moving contact and the stationary contact is kept consistent when they are worn, avoiding the phenomenon of excessive local wear, and at the same time reducing the speed of contact heating, delaying the wear and aging speed, extending the service life and saving costs.

[0014] 2. The utility model forms a buffer device by arranging a spring 1, a connecting sleeve, a slide groove 1, a sliding sleeve and a spring 2, which can reduce the impact force generated when the moving contact contacts the static contact, avoid damage to the moving contact and the static contact due to collision, protect the moving contact and the static contact, and extend the service life.

[0015] 3. The utility model forms an installation device by arranging a mounting platform, a second slide groove, a slider, a connecting block, a notch, a connecting rod, a fixing plate, a fixing tooth, an elastic sheet, a groove, a third spring and a mounting groove, so that the mounting platform can be quickly installed on a matching mounting frame, and the removal is simple and convenient, which is convenient for replacement and maintenance and saves time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural cross-sectional view of the front view of the utility model;

[0017] Figure 2 It is a structural cross-sectional view of the right side view of the support plate, the fixed shaft, the rotating sleeve, the limit plate and the mounting plate in the utility model;

[0018] Figure 3 A structural cross-sectional view of a front view of a fixing device in the utility model;

[0019] Figure 4It is a structural schematic diagram of the right view of the mounting platform and the mounting groove in the utility model.

[0020] In the figure: 1 mounting block, 2 support plate, 3 fixed shaft, 4 rotating sleeve, 5 limit plate, 6 mounting plate, 7 copper guide plate, 8 moving contact, 9 connecting plate, 10 static contact, 11 static contact, 12 spring one, 13 mounting table, 14 connecting sleeve, 15 slide groove one, 16 sliding sleeve, 17 spring two, 18 slide groove two, 19 slider, 20 connecting block, 21 notch, 22 connecting rod, 23 fixed plate, 24 fixed tooth, 25 elastic sheet, 26 groove, 27 spring three, 28 mounting groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 A contactor contact mechanism includes a mounting plate 6, in which a plurality of copper guide plates 7 are installed. The specific number of the copper guide plates 7 is two. A moving contact 8 is installed at the bottom of the copper guide plate 7. The copper guide plate can strengthen the magnetic field of the moving contact 8. A static contact 11 is arranged below the moving contact 8. When the moving contact 8 contacts the static contact 11, it is a surface contact.

[0023] A mounting block 1 is provided below the mounting plate 6, a supporting plate 2 is installed on the top of the mounting block 1, a fixed shaft 3 is installed on the front side of the supporting plate 2, a rotatable rotating sleeve 4 is sleeved on the surface of the fixed shaft 3, and the mounting plate 6 is installed on the upper surface of the rotating sleeve 4. When the rotating sleeve 4 rotates, the mounting plate 6 will be driven to rotate.

[0024] Connecting plates 9 are installed on both the left and right sides of the mounting block 1 . A static contact 10 is installed on the top of the connecting plate 9 . The top of the static contact 10 is connected to the bottom of the static contact 11 .

[0025] The upper surface of the static contact 10 forms an angle of 13 degrees with the horizontal plane, so that the upper surface of the static contact 11 also forms an angle of 13 degrees with the horizontal plane. When the mounting plate 6 rotates to make the moving contact 8 swing downward, the bottom surface of the moving contact 8 will form a surface contact with the top of the static contact 11.

[0026] A mounting platform 13 is provided below the mounting block 1, and a connecting sleeve 14 which is transparent up and down is installed on the top of the mounting platform 13. A slide groove 15 is provided in the wall of the connecting sleeve 14, and a sliding sleeve 16 which is transparent up and down is slidably connected in the slide groove 15. The sliding sleeve 16 can slide up and down in the slide groove 15. A spring 2 17 is installed on the top of the mounting platform 13, and one end of the spring 2 17 away from the mounting platform 13 is connected to the bottom of the mounting block 1, and the spring 2 17 is located in the transparent space inside the connecting sleeve 14 and the sliding sleeve 16. When the mounting block 1 is impacted, the spring 2 17 will expand and contract with the impact, and make the sliding sleeve 16 slide up and down in the slide groove 15, so as to reduce the impact force.

[0027] A plurality of slide grooves 18 are provided in the mounting platform 13, and a slider 19 is slidably connected in the slide groove 18. The slider 19 can slide left and right in the slide groove 18. An upwardly concave groove 26 is provided at the bottom of the mounting platform 13, and a connecting block 20 is installed at the bottom of the slider 19. The connecting block 20 is located in the groove 26.

[0028] A plurality of left and right transparent slots 21 are provided in the mounting platform 13. A connecting rod 22 is installed on the side of the connecting block 20 close to the slot 21. The connecting rod 22 passes through the slot 21. A fixing plate 23 is installed on the end of the connecting rod 22 away from the connecting block 20. A fixing tooth 24 is installed on the side of the fixing plate 23 away from the connecting block 20. When the connecting block 20 moves, the fixing plate 23 and the fixing tooth 24 are driven to move through the connecting rod 22.

[0029] The specific number of the connecting blocks 20 is two. An elastic sheet 25 is arranged in the groove 26. The center of the elastic sheet 25 protrudes downward. The two ends of the elastic sheet 25 are respectively installed at the bottom of the two connecting blocks 20. A spring 27 is connected and installed between the two connecting blocks 20. The front and rear sides of the mounting platform 13 are provided with mounting grooves 28. The mounting platform 13 can be quickly installed through the mounting grooves 28. When the elastic sheet 25 moves downward and contacts with an object to generate pressure, the elastic sheet 25 will deform, so that the two ends of the elastic sheet 25 move away from each other at the same time, and drive the connecting block 20 to move, so that the fixing plate 23 and the fixing teeth 24 move, and the fixing teeth 24 grab the designated target and fix themselves. When the pressure disappears, the elastic sheet 25 will gradually return to its original state.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A contactor contact mechanism, comprising a mounting plate (6), characterized in that: A plurality of copper guide plates (7) are installed in the installation plate (6), a moving contact (8) is installed at the bottom of the copper guide plate (7), and a static contact (11) is arranged below the moving contact (8). When the moving contact (8) contacts the static contact (11), surface contact is achieved.

2. A contactor contact mechanism according to claim 1, characterized in that: A mounting block (1) is arranged below the mounting plate (6), a support plate (2) is mounted on the top of the mounting block (1), a fixed shaft (3) is mounted on the front side of the support plate (2), a rotatable rotating sleeve (4) is sleeved on the surface of the fixed shaft (3), and the mounting plate (6) is mounted on the upper surface of the rotating sleeve (4).

3. A contactor contact mechanism according to claim 2, characterized in that: A connecting plate (9) is installed on both the left and right sides of the mounting block (1), a static contact (10) is installed on the top of the connecting plate (9), and the top of the static contact (10) is connected to the bottom of the static contact point (11).

4. A contactor contact mechanism according to claim 3, characterized in that: The angle between the upper surface of the static contact (10) and the horizontal plane is 13 degrees, so that the angle between the upper surface of the static contact point (11) and the horizontal plane is also 13 degrees.

5. A contactor contact mechanism according to claim 4, characterized in that: A mounting platform (13) is arranged below the mounting block (1), a connecting sleeve (14) which is transparent from top to bottom is arranged on the top of the mounting platform (13), a sliding groove (15) is arranged in the wall of the connecting sleeve (14), a sliding sleeve (16) which is transparent from top to bottom is slidably connected in the sliding groove (15), and the sliding sleeve (16) can slide up and down in the sliding groove (15), a spring (17) is arranged on the top of the mounting platform (13), an end of the spring (17) which is away from the mounting platform (13) is connected to the bottom of the mounting block (1), and the spring (17) is located in the transparent space inside the connecting sleeve (14) and the sliding sleeve (16).

6. A contactor contact mechanism according to claim 5, characterized in that: A plurality of slide grooves (18) are provided in the mounting platform (13), a slider (19) is slidably connected in the slide grooves (18), an upwardly recessed groove (26) is provided at the bottom of the mounting platform (13), a connecting block (20) is installed at the bottom of the slider (19), and the connecting block (20) is located in the groove (26).

7. A contactor contact mechanism according to claim 6, characterized in that: A plurality of left-right transparent slots (21) are provided in the mounting platform (13); a connecting rod (22) is installed on the side of the connecting block (20) close to the slot (21); the connecting rod (22) passes through the slot (21); a fixing plate (23) is installed on the end of the connecting rod (22) away from the connecting block (20); and a fixing tooth (24) is installed on the side of the fixing plate (23) away from the connecting block (20).

8. A contactor contact mechanism according to claim 7, characterized in that: The specific number of the connecting blocks (20) is two. An elastic sheet (25) is arranged in the groove (26). The center of the elastic sheet (25) protrudes downward. The two ends of the elastic sheet (25) are respectively installed at the bottom of the two connecting blocks (20). A spring three (27) is installed between the two connecting blocks (20).

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