Intelligent relay switch device and relay thereof

Abstract

The invention belongs to the technical field of relays, and discloses an intelligent relay switch device and a relay thereof.The intelligent relay switch device comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a limiting shell, the inner side surface of the upper portion of the limiting shell is slidably connected with a square positioning piece, and the inner side surface of the square positioning piece is slidably connected with a positioning block; the outer side surface of the positioning block is attached to the inner side surface of the limiting shell, the other end of the positioning block is rotationally connected with a rotating arm, the other end of the rotating arm is rotationally connected with a pull strip, the outer side surface of the pull strip is slidably connected with the inner side surface of the square positioning piece, and the other end of the pull strip is fixedly connected with a connecting ring. A rotating ring is rotationally connected to the outer side surface of the bottom end of the connecting ring, a fixing column is fixedly connected to the bottom end of the rotating ring, a threaded sleeve is fixedly connected to the bottom end of the fixing column, and the outer side surface of the threaded sleeve is in threaded connection with the inner side surface of the lower portion of the limiting shell; the problems that a connecting piece is difficult to replace quickly, and internal parts are inconvenient to replace and maintain are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of relays, and in particular relates to an intelligent relay switch device and a relay thereof. Background Art

[0002] An electromagnetic relay is an electronic control device that has a control system (also known as an input circuit) and a controlled system (also known as an output circuit). It is usually used in automatic control circuits. It is actually an "automatic switch" that uses a smaller current and a lower voltage to control a larger current and a higher voltage. Electromagnetic relays are important components in doorbells, telephones, and automatic control circuit devices. They play the role of automatic adjustment, safety protection, and circuit conversion in the circuit. They are widely used in automatic control (such as control circuits in refrigerators, cars, elevators, and machine tools) and communications. During the use of existing electromagnetic relays, there is a situation where the contacts are melted, and it is difficult to quickly replace the contacts, affecting the overall use. At the same time, it is difficult to maintain and replace the internal parts of existing relays, affecting the overall use effect and service life. Summary of the invention

[0003] The present invention aims at the problem that it is difficult to quickly replace the connector and it is inconvenient to replace and repair the internal parts in the prior art, and proposes the following technical solutions:

[0004] A smart relay switch device includes a base plate, the upper end of the base plate is fixedly connected to a limit shell, the upper inner surface of the limit shell is slidably connected with a square positioning piece, the inner surface of the square positioning piece is slidably connected with a positioning block, the outer surface of the positioning block is fitted with the inner surface of the limit shell, the other end of the positioning block is rotatably connected with a rotating arm, the other end of the rotating arm is rotatably connected with a pull rod, the outer surface of the pull rod is slidably connected with the inner surface of the square positioning piece, the other end of the pull rod is fixedly connected with a connecting ring, the bottom outer surface of the connecting ring is rotatably connected with a rotating ring, the bottom end of the rotating ring is fixedly connected with a fixing column, the bottom end of the fixing column is fixedly connected with a threaded sleeve, the outer surface of the threaded sleeve is threadedly connected to the lower inner surface of the limit shell.

[0005] As a preferred embodiment of the above technical solution, the inner surface of the threaded sleeve is threadedly connected to a limiting threaded cylinder, the outer surface of the upper end of the limiting threaded cylinder is rotatably connected to a rotating disk, the upper end of the rotating disk is fixedly connected to an oblique push block, the inner surface of the threaded sleeve is fixedly connected to a guide disk, the upper inner surface of the guide disk is slidably connected to the limiting push block, the outer surface of the limiting push block abuts against the outer surface of the oblique push block, and the middle outer surface of the oblique push block is slidably connected to the inner surface of the guide disk.

[0006] As a preferred embodiment of the above technical solution, the bottom end of the square positioning piece is fixedly connected with a self-tightening spring, the other end of the self-tightening spring is fixedly connected with the upper end of the threaded sleeve, the end of the limit push block away from the limit shell is abutted with a conductive column, and the outer surface of the conductive column is slidably connected with the upper inner surface of the limit shell, the inner surface of the square positioning piece, the inner surface of the rotating disk and the inner surface of the guide disk.

[0007] As a preferred embodiment of the above technical solution, the outer surface of the conductive column is fixedly connected to a limiting plate, the upper end of the limiting plate abuts against the inner top end of the limiting threaded barrel, the bottom end of the limiting plate abuts against a clamping piece, and the outer surface of the clamping piece is clamped against the inner surface of the limiting threaded barrel.

[0008] As a preferred embodiment of the above technical solution, a reset spring rod is fixedly connected to the upper end of the base plate, a sliding frame is fixedly connected to the upper end of the reset spring rod, a connecting wire rod is clamped on the outer surface of the top end of the left end conductive column, the other end of the connecting wire rod is fixedly connected to an electromagnet, the bottom end of the electromagnet is fixedly connected to the top end of the base plate, a conductive sheet is fixedly connected to the inner surface of the other end of the electromagnet, and the inner surfaces of the front and rear ends of the conductive sheet are in contact with the outer surface of the top end of the right conductive column.

[0009] A relay using the above-mentioned switch device includes a knob rotatably connected to the inner surface of a base plate, the upper end of the knob is fixedly connected to a gear, the outer surface of the gear is meshingly connected to a rack, the outer surface of the bottom end of the rack is slidably connected to the inner surface of the base plate, the upper end of the rack is fixedly connected to a connecting plate, the other end of the connecting plate is fixedly connected to a limit clamping plate, and the bottom end of the limit clamping plate is slidably connected to the upper end of the base plate.

[0010] As a preferred embodiment of the above technical solution, the upper end edge of the base plate is fixedly connected to a fixed pillar, the opposite surfaces of adjacent fixed pillars are fixedly connected to a first shock absorber, the other end of the first shock absorber is fixedly connected to an end of the limiting clamping plate close to the fixed pillar, the top end of the connecting plate is fixedly connected to a connecting pillar, the top end of the connecting pillar is fixedly connected to a U-shaped connecting frame, the end of the U-shaped connecting frame away from the return spring rod is fixedly connected to a second shock absorber, the other end of the second shock absorber is fixedly connected to a magnetic push plate, the top end of the base plate is fixedly connected to a magnetic limiting plate, and a side of the magnetic push plate away from the U-shaped connecting frame is magnetically connected to the outer surface of the magnetic limiting plate.

[0011] As a preferred embodiment of the above technical solution, the outer surface of the base plate is slidably connected to a protective shell, the inner surface of the protective shell is fixedly connected to a positioning strip, the outer surface of the positioning strip is fitted with the inner surface of the limiting clamp, the inner surfaces of the front and rear edges of the sliding frame are slidably connected to the outer surface of the protective shell, and the bottom end of the sliding frame is fixedly connected to an armature, which is located directly above the electromagnet.

[0012] As a preferred embodiment of the above technical solution, auxiliary grooves are provided at the bottom ends of the threaded sleeve and the limiting threaded cylinder, the threaded sleeve, the limiting threaded cylinder, the guide plate, the conductive column and the rotating plate are coaxially arranged with their center lines, the bottom end of the left conductive column is electrically connected to the external control circuit, and the bottom end of the right conductive column is electrically connected to the external working circuit.

[0013] The beneficial effects of the present invention are:

[0014] By twisting the threaded sleeve through the auxiliary groove, the pull rod is pushed upward under the limit of the limit shell, and the positioning block, the rotating arm and the pull rod and the guiding limit of the square positioning piece ensure that the clamping limit of the positioning block and the limit shell is stable. At the same time, by twisting the limit threaded cylinder through the auxiliary groove, the conductive column can be limited laterally under the drive of the inclined surface between the inclined push block and the limit push block, thereby improving the overall stability, facilitating the replacement of the conductive column and the removal of the fuse parts, and improving the overall functionality and reliability.

[0015] Through the lateral shape of the limit card plate and the U-shaped connecting frame, the overall closure stability and overall reliability can be guaranteed when the protective shell and the bottom plate are installed, and by twisting the knob, the spacing between the limit card plates can be adjusted under the meshing transmission action of the gear and the rack, which is convenient for controlling the limiting degree of the limit card plate and the positioning strip and the separation of the bottom plate and the positioning strip. At the same time, through the connecting rod action of the second shock absorber and the U-shaped connecting frame, it can be ensured that the limit card plates on both sides move synchronously and there will be no tooth disengagement and slippage, thereby improving the overall reliability and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a three-dimensional diagram of a smart relay switch device and its relay;

[0017] Figure 2 Shown is a stereoscopic diagram of a smart relay switch device and its relay from another perspective;

[0018] Figure 3 It is shown that Figure 2 A local enlarged schematic diagram of the middle A;

[0019] Figure 4 Shown is a schematic diagram of the internal structure of a smart relay switch device and its relay;

[0020] Figure 5 Shown is a schematic diagram of some parts of a smart relay switch device and its relay;

[0021] Figure 6 Shown is a schematic diagram of local parts of an intelligent relay switch device and its relay;

[0022] Figure 7 Shown is a structure diagram of some parts of a smart relay switch device and its relay;

[0023] Figure 8 Shown is a structure diagram of local parts of a smart relay switch device and its relay;

[0024] Fig. 9 Shown is a partial parts structure diagram of a smart relay switch device and its relay from another perspective;

[0025] Fig.10 It is shown that Fig. 9 A local enlarged schematic diagram of point B;

[0026] Fig.11 Shown is a perspective view of the protective housing;

[0027] Fig.12 Shown is a perspective view of a threaded sleeve;

[0028] In the figure: 1, bottom plate; 2, limit shell; 3, square positioning piece; 4, positioning block; 5, rotating arm; 6, pull rod; 7, connecting ring; 8, rotating ring; 9, fixing column; 10, threaded sleeve; 11, limit threaded cylinder; 12, rotating disk; 13, oblique push block; 14, guide disk; 15, limit push block; 16, self-tightening spring; 17, conductive column; 18, limit sheet; 19, clamp; 20, knob; 21, gear; 22 , rack; 23, connecting plate; 24, limit card plate; 25, fixed pillar; 26, first shock absorber; 27, connecting pillar; 28, U-shaped connecting frame; 29, second shock absorber; 30, magnetic push plate; 31, magnetic limit plate; 32, reset spring rod; 33, sliding frame; 34, connecting wire rod; 35, electromagnet; 36, conductive sheet; 37, protective shell; 38, positioning strip; 39, armature; 40, auxiliary groove. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0030] Example 1

[0031] The present invention provides a smart relay switch device and a relay thereof, such as Figures 1 to 12As shown, it includes a bottom plate 1, the upper end of the bottom plate 1 is fixedly connected to a limiting shell 2, which is convenient for limiting and replacing internal parts, the upper inner surface of the limiting shell 2 is slidably connected with a square positioning piece 3, the inner surface of the square positioning piece 3 is slidably connected with a positioning block 4, the outer surface of the positioning block 4 fits with the inner surface of the limiting shell 2, the other end of the positioning block 4 is rotatably connected with a rotating arm 5, the other end of the rotating arm 5 is rotatably connected with a pull rod 6, the outer surface of the pull rod 6 is slidably connected with the inner surface of the square positioning piece 3, the other end of the pull rod 6 is fixedly connected with a connecting ring 7, the bottom outer surface of the connecting ring 7 is rotatably connected with a rotating ring 8, the connecting ring 7 and the rotating ring 8 can move up and down synchronously while rotating, the bottom end of the rotating ring 8 is fixedly connected with a fixing column 9, fixed The bottom end of the column 9 is fixedly connected with a threaded sleeve 10, the outer surface of the threaded sleeve 10 is threadedly connected to the lower inner surface of the limiting shell 2, the inner surface of the threaded sleeve 10 is threadedly connected to a limiting threaded cylinder 11, the upper outer surface of the limiting threaded cylinder 11 is rotatably connected with a rotating disk 12, the upper end of the rotating disk 12 is fixedly connected with an oblique push block 13, the inner surface of the threaded sleeve 10 is fixedly connected with a guide disk 14, the upper inner surface of the guide disk 14 is slidably connected with a limiting push block 15, the outer surface of the limiting push block 15 abuts against the outer surface of the oblique push block 13, the middle outer surface of the oblique push block 13 is slidably connected with the inner surface of the guide disk 14, the bottom end of the square positioning member 3 is fixedly connected with a self-tightening spring 16, the other end of the self-tightening spring 16 is fixedly connected to the threaded sleeve The upper end of the cylinder 10 is fixedly connected, and the self-tightening spring 16 can pull the square positioning piece 3 and the threaded sleeve 10 closer to each other to prevent slippage during use, thereby improving the overall reliability and service life. The end of the limiting push block 15 away from the limiting shell 2 is abutted with a conductive column 17, and the outer surface of the conductive column 17 is slidably connected with the upper inner surface of the limiting shell 2, the inner surface of the square positioning piece 3, the inner surface of the rotating disk 12 and the inner surface of the guide disk 14. The outer surface of the conductive column 17 is fixedly connected with a limiting plate 18, and the upper end of the limiting plate 18 is abutted with the inner top end of the limiting threaded cylinder 11, and the bottom end of the limiting plate 18 is abutted with a clamping piece 19, and the outer surface of the clamping piece 19 is clamped with the inner surface of the limiting threaded cylinder 11. The upper end of the bottom plate 1 is fixedly connected There is a reset spring rod 32, the upper end of the reset spring rod 32 is fixedly connected to a sliding frame 33, the top outer surface of the left end conductive column 17 is clamped with a connecting wire rod 34, the other end of the connecting wire rod 34 is fixedly connected to an electromagnet 35, the bottom end of the electromagnet 35 is fixedly connected to the top of the bottom plate 1, and the inner surface of the other end of the electromagnet 35 is fixedly connected to a conductive sheet 36, the front and rear inner surfaces of the conductive sheet 36 are fitted with the top outer surface of the right conductive column 17, and the threaded sleeve 10 is twisted through the auxiliary groove 40, and the pull rod 6 is pushed to move upward under the limit of the limit shell 2, and the positioning block 4 and the limit shell 2 are ensured to be stable under the connecting rod action of the positioning block 4, the rotating arm 5 and the pull rod 6 and the guiding limit action of the square positioning member 3.At the same time, the limiting threaded cylinder 11 is twisted through the auxiliary groove 40, and the conductive column 17 can be limited laterally under the driving of the inclined surface between the inclined push block 13 and the limiting push block 15, thereby improving the overall stability, facilitating the replacement of the conductive column 17 and the removal of the fuse part, and improving the overall functionality and reliability.

[0032] A relay using the switch device as described above, Figures 1 to 12As shown, it includes a knob 20 rotatably connected to the inner surface of the bottom plate 1, the upper end of the knob 20 is fixedly connected to a gear 21, the outer surface of the gear 21 is meshedly connected to a rack 22, the outer surface of the bottom end of the rack 22 is slidably connected to the inner surface of the bottom plate 1, the upper end of the rack 22 is fixedly connected to a connecting plate 23, the other end of the connecting plate 23 is fixedly connected to a limiting clamping plate 24, the bottom end of the limiting clamping plate 24 is slidably connected to the upper end of the bottom plate 1, the upper end edge of the bottom plate 1 is fixedly connected to a fixed pillar 25, the opposite surface of the adjacent fixed pillar 25 is fixedly connected to a first shock absorber 26, the other end of the first shock absorber 26 is fixedly connected to one end of the limiting clamping plate 24 close to the fixed pillar 25, so as to facilitate The clamping connection between the bottom plate 1 and the protective shell 37 is stable, which improves the overall stability. The top of the connecting plate 23 is fixedly connected to the connecting pillar 27, and the top of the connecting pillar 27 is fixedly connected to the U-shaped connecting frame 28. The end of the U-shaped connecting frame 28 away from the reset spring rod 32 is fixedly connected to the second shock absorber 29, and the other end of the second shock absorber 29 is fixedly connected to the magnetic push plate 30. The top of the bottom plate 1 is fixedly connected to the magnetic limit plate 31, and the side of the magnetic push plate 30 away from the U-shaped connecting frame 28 is magnetically connected to the outer surface of the magnetic limit plate 31. The outer surface of the bottom plate 1 is slidably connected to the protective shell 37, and the inner surface of the protective shell 37 is fixedly connected to the positioning bar 38. The outer surface of the positioning bar 38 The side surface is fitted with the inner surface of the limiting card plate 24, and the inner surfaces of the front and rear edges of the sliding frame 33 are slidably connected to the outer surface of the protective shell 37, which is convenient for improving the overall movement stability of the sliding frame 33. The bottom end of the sliding frame 33 is fixedly connected with an armature 39, and the armature 39 is located directly above the electromagnet 35. The bottom ends of the threaded sleeve 10 and the limiting threaded cylinder 11 are both provided with auxiliary grooves 40, which are convenient for users to twist the threaded sleeve 10 and the limiting threaded cylinder 11, thereby improving the overall practicality. The center lines of the threaded sleeve 10, the limiting threaded cylinder 11, the guide plate 14, the conductive column 17 and the rotating disk 12 are coaxially arranged, the bottom end of the left conductive column 17 is electrically connected to the external control circuit, and the right conductive column 17 is electrically connected to the external control circuit. The bottom end of the electric column 17 is electrically connected to the external working circuit. Through the lateral shape of the limit card plate 24 and the U-shaped connecting frame 28, it can ensure the overall closure stability and overall reliability when the protective shell 37 is installed on the base plate 1. By twisting the knob 20, under the meshing transmission action of the gear 21 and the rack 22, the distance between the limit card plates 24 can be adjusted, which is convenient for controlling the limiting degree of the limit card plates 24 and the positioning strip 38 and the separation of the base plate 1 and the positioning strip 38. At the same time, through the connecting rod action of the second shock absorber 29 and the U-shaped connecting frame 28, it can be ensured that the limit card plates 24 on both sides move synchronously and there will be no tooth disengagement and slippage, thereby improving the overall reliability and stability.

[0033] Working principle: When using the device, the bottom end of the left conductive column 17 is electrically connected to the external control circuit, and the bottom end of the right conductive column 17 is electrically connected to the external working circuit. When the left conductive column 17 is energized, the electromagnet 35 can be started. The magnetic force generated by the electromagnet 35 attracts the armature 39, thereby driving the connecting wire rod 34 to move downward under the limit of the positioning bar 38 and the guiding action of the return spring rod 32, thereby driving the conductive sheet 36 to abut against the upper end of the right conductive column 17, completing the energization of the working circuit, thereby controlling whether the working circuit is started or not. When installing and replacing the contact position parts, the threaded sleeve 10 is twisted through the auxiliary groove 40, and under the limit of the limit shell 2, the pull bar 6 is pushed to move upward, and through the connecting rod action of the positioning block 4, the rotating arm 5 and the pull bar 6 and the guiding and limiting action of the square positioning piece 3, it is ensured The clamping limit of the positioning block 4 and the limiting shell 2 is stable. At the same time, the limiting threaded cylinder 11 is twisted through the auxiliary groove 40. Under the drive of the inclined surface between the inclined push block 13 and the limiting push block 15, the conductive column 17 can be laterally limited, thereby improving the overall stability, facilitating the replacement of the conductive column 17 and the removal of the fuse parts, and improving the overall functionality and reliability. When repairing and replacing internal parts, by twisting the knob 20, under the meshing transmission action of the gear 21 and the rack 22, the spacing between the limiting card plates 24 can be adjusted, which is convenient for controlling the limiting degree of the limiting card plates 24 and the positioning strip 38 and the separation of the bottom plate 1 and the positioning strip 38. At the same time, through the connecting rod action of the second shock absorber 29 and the U-shaped connecting frame 28, it can be ensured that the limiting card plates 24 on both sides move synchronously and will not de-tooth or slip, thereby improving the overall reliability and stability.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A smart relay switch device, characterized in that: The invention comprises a bottom plate (1), the upper end of the bottom plate (1) is fixedly connected to a limiting shell (2), the upper inner surface of the limiting shell (2) is slidably connected to a square positioning piece (3), the inner surface of the square positioning piece (3) is slidably connected to a positioning block (4), the outer surface of the positioning block (4) is in contact with the inner surface of the limiting shell (2), the other end of the positioning block (4) is rotatably connected to a rotating arm (5), the other end of the rotating arm (5) is rotatably connected to a pull rod (6), and the The outer surface of the pull rod (6) is slidably connected to the inner surface of the square positioning member (3); the other end of the pull rod (6) is fixedly connected to a connecting ring (7); the outer surface of the bottom end of the connecting ring (7) is rotatably connected to a rotating ring (8); the bottom end of the rotating ring (8) is fixedly connected to a fixing column (9); the bottom end of the fixing column (9) is fixedly connected to a threaded sleeve (10); the outer surface of the threaded sleeve (10) is threadedly connected to the lower inner surface of the limiting shell (2).

2. The intelligent relay switch device according to claim 1, characterized in that: The inner surface of the threaded sleeve (10) is threadedly connected to a limiting threaded cylinder (11); the outer surface of the upper end of the limiting threaded cylinder (11) is rotatably connected to a rotating disk (12); the upper end of the rotating disk (12) is fixedly connected to an inclined push block (13); the inner surface of the threaded sleeve (10) is fixedly connected to a guide disk (14); the inner surface of the upper end of the guide disk (14) is slidably connected to a limiting push block (15); the outer surface of the limiting push block (15) abuts against the outer surface of the inclined push block (13); the middle outer surface of the inclined push block (13) is slidably connected to the inner surface of the guide disk (14).

3. The intelligent relay switch device according to claim 2, characterized in that: The bottom end of the square positioning member (3) is fixedly connected to a self-tightening spring (16), the other end of the self-tightening spring (16) is fixedly connected to the upper end of the threaded sleeve (10), the end of the limit push block (15) away from the limit shell (2) is abutted against a conductive column (17), and the outer surface of the conductive column (17) is slidably connected to the upper inner surface of the limit shell (2), the inner surface of the square positioning member (3), the inner surface of the rotating disk (12) and the inner surface of the guide disk (14).

4. The intelligent relay switch device according to claim 3, characterized in that: The outer surface of the conductive column (17) is fixedly connected to a limiting plate (18), the upper end of the limiting plate (18) abuts against the inner top end of the limiting threaded barrel (11), the bottom end of the limiting plate (18) abuts against a clamping piece (19), and the outer surface of the clamping piece (19) is clamped against the inner surface of the limiting threaded barrel (11).

5. The intelligent relay switch device according to claim 3, characterized in that: The upper end of the bottom plate (1) is fixedly connected to a return spring rod (32), the upper end of the return spring rod (32) is fixedly connected to a sliding frame (33), the top outer surface of the left conductive column (17) is clamped with a connecting wire rod (34), the other end of the connecting wire rod (34) is fixedly connected to an electromagnet (35), the bottom end of the electromagnet (35) is fixedly connected to the top of the bottom plate (1), the other end of the electromagnet (35) is fixedly connected to an inner surface of a conductive sheet (36), and the inner surfaces of the front and rear ends of the conductive sheet (36) are in contact with the outer surface of the top of the right conductive column (17).

6. A relay using the switch device according to claims 1 to 5, characterized in that: The invention comprises a knob (20) rotatably connected to the inner surface of a base plate (1); the upper end of the knob (20) is fixedly connected to a gear (21); the outer surface of the gear (21) is meshingly connected to a rack (22); the outer surface of the bottom end of the rack (22) is slidably connected to the inner surface of the base plate (1); the upper end of the rack (22) is fixedly connected to a connecting plate (23); the other end of the connecting plate (23) is fixedly connected to a limiting clamping plate (24); the bottom end of the limiting clamping plate (24) is slidably connected to the upper end of the base plate (1).

7. The relay according to claim 6, characterized in that: The upper edge of the bottom plate (1) is fixedly connected to a fixed pillar (25), and a first shock absorber (26) is fixedly connected to the opposite surface of the adjacent fixed pillar (25); the other end of the first shock absorber (26) is fixedly connected to an end of the limiting clamp (24) close to the fixed pillar (25); the top end of the connecting plate (23) is fixedly connected to a connecting pillar (27), and the top end of the connecting pillar (27) is fixedly connected to a U-shaped connecting frame (28); the end of the U-shaped connecting frame (28) away from the return spring rod (32) is fixedly connected to a second shock absorber (29), and the other end of the second shock absorber (29) is fixedly connected to a magnetic push plate (30); the top end of the bottom plate (1) is fixedly connected to a magnetic limiting plate (31), and the side of the magnetic pushing plate (30) away from the U-shaped connecting frame (28) is magnetically connected to the outer surface of the magnetic limiting plate (31).

8. The relay according to claim 7, characterized in that: The outer surface of the bottom plate (1) is slidably connected to a protective shell (37), the inner surface of the protective shell (37) is fixedly connected to a positioning strip (38), the outer surface of the positioning strip (38) is in contact with the inner surface of the limit clamp (24), the inner surfaces of the front and rear edges of the sliding frame (33) are slidably connected to the outer surface of the protective shell (37), the bottom end of the sliding frame (33) is fixedly connected to an armature (39), and the armature (39) is located directly above the electromagnet (35).

9. The relay according to claim 6, characterized in that: The bottom ends of the threaded sleeve (10) and the limiting threaded cylinder (11) are both provided with auxiliary grooves (40); the center lines of the threaded sleeve (10), the limiting threaded cylinder (11), the guide plate (14), the conductive column (17) and the rotating plate (12) are coaxially arranged; the bottom end of the left conductive column (17) is electrically connected to an external control circuit, and the bottom end of the right conductive column (17) is electrically connected to an external working circuit.

Images