Relays that prevent terminal bending

Abstract

The present invention provides a relay that prevents terminal bending, relating to the technical field of relays, comprising: a relay body, wherein an electromagnet, a tension spring, an iron yoke and a moving contact are fixedly arranged inside the relay body; a sliding insulating frame is slidably arranged at the lower part of the relay body; a static contact terminal is slidably arranged at the bottom of the relay body, and the top of the static contact terminal cannot pass through the bottom of the relay body; two groups of rotating guard plates are rotatably arranged at the lower sides of the relay body; the present invention is provided with a rotating guard plate, which provides a convenient function of protecting the terminal from deformation, flips the rotating guard plate downward, and then pushes four groups of side maintenance frames, and brings the four groups of side maintenance frames together to form a maintenance structure, the side maintenance frames are fixed by adsorption through positioning magnetic blocks, and the positioning magnetic blocks on the other side can provide limit; at this time, the static contact terminal can be protected in the form of a fence to prevent the static contact terminal that automatically slides out from being bent, the protection effect is good, and the problem that the existing relay is inconvenient to protect the terminal is solved.

Description

[0001] This application is a divisional application of the patent application with application number "202410974134.7", application date "July 19, 2024", and name "A relay that prevents terminal bending". Technical Field

[0002] The present invention relates to the technical field of relays, and in particular to a relay with terminal bending prevention capability. Background Art

[0003] A relay is an electrical device that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change in the input quantity reaches the specified requirement. Generally, it is installed through plug-in terminals at the bottom. However, long-term storage, transportation, or large-scale integrated placement may cause some terminals to bend in the event of unintentional collision, affecting installation.

[0004] The relays currently used have the following disadvantages:

[0005] 1. Existing relays lack terminal protection structures, making it difficult to protect the terminals by deformation without affecting the plug-in steps during use;

[0006] 2. It is inconvenient to adjust the plug-in depth to perform the plug-in combination;

[0007] 3. Lack of adaptive arc protection function, which makes it inconvenient to adjust the depth during the plugging process. Summary of the Invention

[0008] In view of this, the present invention provides a relay that prevents terminal bending, which has a telescopic partition, provides arc protection, can automatically adapt to expansion and contraction, ensure that each group of static contact terminals is separated, and avoid arcing caused by each group of static contact terminals.

[0009] The present invention provides a relay that prevents terminal bending, specifically comprising: a relay body, wherein an electromagnet, a tension spring, an iron yoke and a moving contact are fixedly arranged inside the relay body; a sliding insulating frame is slidably arranged below the interior of the relay body; a static contact terminal is slidably arranged at the bottom of the relay body, and the top of the static contact terminal cannot pass through the bottom of the relay body; two groups of rotating guard plates are rotatably arranged below both sides of the relay body, and the rotating guard plates can rotate half a circle.

[0010] Optionally, a through slot for observation is provided on the front side of the relay body, and an observation mirror is sealed and fixed in the through slot. The observation mirror is made of transparent PVC material for convenient observation.

[0011] Optionally, a control screw is rotatably provided inside the front side of the relay body, and the control screw is located behind the observation mirror; a control shaft is rotatably provided at the top of the observation mirror, the front end of the control shaft is a hexagonal end structure, and the rear end of the control shaft is connected to the top of the control screw with a bevel gear transmission.

[0012] Optionally, four groups of inner slides are fixedly provided on both sides of the interior of the relay body; two groups of side slide grooves are integrally provided on both sides of the sliding insulating frame, and the side slide grooves are slidably connected with the inner slides.

[0013] Optionally, two groups of positioning iron blocks are fixedly provided at the lower middle part of both sides of the relay body.

[0014] Optionally, two groups of fixed beams and two groups of inclined beams are integrally provided in the middle of the sliding insulating frame, and the fixed beams and the inclined beams are fixed to the top of the static contact terminal; a nut seat is fixedly provided on the upper front side of the sliding insulating frame, and the nut seat is threadedly connected to the control screw.

[0015] Optionally, an arc protection plate is integrally provided in the middle of the sliding insulating frame, and a telescopic partition is slidably provided at the bottom of the arc protection plate in cooperation with a built-in spring.

[0016] Optionally, side maintenance frames are slidably provided on both sides of the rotating guard plate, and positioning magnetic blocks are fixedly provided at both ends of the side maintenance frames; when the rotating guard plate is set downward, the front and rear side maintenance frames can be fixed by adsorption through the positioning magnetic blocks; when the rotating guard plate is set upward, the positioning magnetic blocks are adsorbed and fixed on the outside of the positioning iron block.

[0017] The beneficial effects are as follows:

[0018] 1. The present invention is provided with a rotating guard plate, which provides a convenient function for protecting the terminal from deformation. The rotating guard plate is flipped downward, and then the four sets of side maintenance frames are pushed together to form a maintenance structure. The side maintenance frames are fixed by positioning magnetic blocks, and the positioning magnetic blocks on the other side can provide limit. At this time, the static contact terminal can be protected in the form of a fence to prevent the static contact terminal that slides out automatically from being bent, and the protection effect is good.

[0019] 2. Set the control screw to provide the function of adjusting the control insertion depth. Align the end of the static contact terminal with the position to be inserted, use the hexagonal wrench to rotate the control shaft, and the control shaft cooperates with the bevel gear to drive the control screw to rotate. Use the control screw to drive the nut seat to descend, and lower the sliding insulation frame as a whole. Then use the fixed beam and the inclined beam to insert each group of static contact terminals downward. Use the observation mirror to observe whether it is inserted into the appropriate position and perform complete insertion.

[0020] 3. The arc protection plate and telescopic partition are set to provide adaptive arc protection function. The arc protection plate and telescopic partition can automatically adapt to the expansion and contraction to ensure that each group of static contact terminals are separated to avoid arcing caused by each group of static contact terminals. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It shows a schematic diagram of the enclosure structure of an embodiment of the present invention;

[0022] Figure 2 It shows a schematic structural diagram of the enclosure release state of an embodiment of the present invention;

[0023] Figure 3 Shows an embodiment of the present invention Figure 1 Schematic diagram of the cross-sectional structure;

[0024] Figure 4 Shows an embodiment of the present invention Figure 2 Schematic diagram of the cross-sectional structure;

[0025] Figure 5 Shows an embodiment of the present invention Figure 4 Schematic diagram of the side elevation structure;

[0026] Figure 6 Shows an embodiment of the present invention Figure 4 A side structural diagram of

[0027] Figure 7 A schematic diagram of the three-dimensional structure of a sliding insulating frame according to an embodiment of the present invention is shown;

[0028] Figure 8 A schematic diagram of the three-dimensional structure of a rotating guard plate in an embodiment of the present invention is shown.

[0029] Reference Signs List

[0030] 1. Relay body; 101. Observation mirror; 102. Control screw; 103. Control shaft; 104. Inner slide; 105. Positioning iron block; 2. Sliding insulating frame; 201. Side slide groove; 202. Fixed beam; 203. Tilting beam; 204. Nut seat; 205. Arc protection plate; 206. Telescopic partition; 3. Static contact terminal; 4. Rotating guard plate; 401. Side maintenance frame; 402. Positioning magnet. DETAILED DESCRIPTION

[0031] In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

[0032] Example 1:

[0033] Please refer to the attached drawings in the manual. Figures 1 to 8 As shown:

[0034] The present invention proposes a relay that prevents terminal bending, comprising: a relay body 1, wherein an electromagnet, a tension spring, an iron yoke, and a moving contact are fixedly arranged inside the relay body 1; a sliding insulating frame 2 is slidably arranged below the interior of the relay body 1; a static contact terminal 3 is slidably arranged at the bottom of the relay body 1, and the top of the static contact terminal 3 cannot pass through the bottom of the relay body 1; two sets of rotating guard plates 4 are rotatably arranged below both sides of the relay body 1, and the rotating guard plates 4 can rotate half a circle.

[0035] The front side of the relay body 1 is provided with a through slot for observation, in which an observation mirror 101 is sealed and fixed. The observation mirror 101 is made of transparent PVC material for easy observation.

[0036] Among them, a control screw 102 is rotatably set inside the front side of the relay body 1, and the control screw 102 is located behind the observation mirror 101; a control shaft 103 is rotatably set at the top of the observation mirror 101, and the front end of the control shaft 103 is a hexagonal end structure, and the rear end of the control shaft 103 is connected to the top of the control screw 102 with a bevel gear transmission.

[0037] Among them, four groups of inner slides 104 are fixedly provided on both sides of the interior of the relay body 1; two groups of side slide grooves 201 are integrally provided on both sides of the sliding insulating frame 2, and the side slide grooves 201 are slidably connected with the inner slides 104.

[0038] Two sets of positioning iron blocks 105 are fixedly arranged at the lower middle part of both sides of the relay body 1 .

[0039] Among them, two groups of fixed beams 202 and two groups of inclined beams 203 are integrally set in the middle of the sliding insulating frame 2, and the fixed beams 202 and the inclined beams 203 are fixed to the top of the static contact terminal 3; a nut seat 204 is fixedly set on the upper front side of the sliding insulating frame 2, and the nut seat 204 is threadedly connected to the control screw 102.

[0040] An arc protection plate 205 is integrally provided in the middle of the sliding insulating frame 2 , and a telescopic partition 206 is slidably provided at the bottom of the arc protection plate 205 in cooperation with a built-in spring.

[0041] Among them, side maintenance frames 401 are slidingly set on both sides of the rotating guard plate 4, and positioning magnetic blocks 402 are fixedly set at both ends of the side maintenance frames 401; when the rotating guard plate 4 is set downward, the front and rear side maintenance frames 401 can be adsorbed and fixed by the positioning magnetic blocks 402; when the rotating guard plate 4 is set upward, the positioning magnetic blocks 402 are adsorbed and fixed on the outside of the positioning iron block 105.

[0042] like Figure 1-8As shown, the static contact terminal 3 is fixedly connected to the sliding insulating frame 2, the rotating guard plate 4 is flipped upward, and the four sets of side maintenance frames 401 are pushed again, and the positioning magnetic block 402 is used to adsorb the positioning iron block 105 for fixation, and then the side maintenance frame 401 is fixedly wrapped around the outside of the relay body 1 without affecting the installation.

[0043] Align the end of the static contact terminal 3 with the position to be plugged in, and then press the plug-in button. The static contact terminal 3 can only be partially plugged in, and the remaining part needs to be plugged in manually. Use the hexagonal wrench to rotate the control shaft 103. The control shaft 103 cooperates with the bevel gear to drive the control screw 102 to rotate. The control screw 102 is used to drive the nut seat 204 to descend, and the sliding insulating frame 2 is lowered as a whole. Then, use the fixed beam 202 and the inclined beam 203 to plug each group of static contact terminals 3 downward. Through the observation mirror 101, it can be observed whether it is plugged in to the appropriate position and complete the plugging.

[0044] Example 2:

[0045] On the basis of Example 1, when placing in a conventional manner, Figure 1 In the state, the rotating guard plate 4 is flipped downward, and then the four sets of side maintenance frames 401 are pushed together to form a maintenance structure. The side maintenance frames 401 are fixed by the positioning magnetic blocks 402, and the positioning magnetic blocks 402 on the other side can provide a limit;

[0046] At this time, the static contact terminal 3 can be protected by a fence to prevent the static contact terminal 3 that automatically slides out from being bent.

[0047] Example 3:

[0048] On the basis of Example 1, the arc protection plate 205 and the telescopic partition 206 can automatically adapt to telescoping to ensure that each group of static contact terminals 3 is separated, thereby preventing each group of static contact terminals 3 from pulling out arcs and causing sparks.

[0049] The specific usage and function of this embodiment: In the present invention, the static contact terminal 3 is set to slide. When placed normally, Figure 1 In the state of , the rotating guard plate 4 is flipped downward, and then the four sets of side maintenance frames 401 are pushed, and the four sets of side maintenance frames 401 are brought together to form a maintenance structure. The side maintenance frames 401 are fixed by the positioning magnetic blocks 402, and the positioning magnetic blocks 402 on the other side can provide limit. At this time, the static contact terminal 3 can be protected in the form of a fence to prevent the static contact terminal 3 that automatically slides out from being bent.

[0050] During installation, the rotating guard plate 4 is flipped upward, and the four sets of side maintenance frames 401 are pushed again, and the positioning magnetic blocks 402 are used to adsorb the positioning iron blocks 105 for fixation, and then the side maintenance frames 401 are fixedly wrapped around the outside of the relay body 1 without affecting the installation.

[0051] Align the end of the static contact terminal 3 with the position to be plugged in, and then press the plug-in button. The static contact terminal 3 can only be partially plugged in, and the remaining part needs to be plugged in manually. Use the hexagonal wrench to rotate the control shaft 103. The control shaft 103 cooperates with the bevel gear to drive the control screw 102 to rotate. The control screw 102 is used to drive the nut seat 204 to descend, and the sliding insulating frame 2 is lowered as a whole. Then, use the fixed beam 202 and the inclined beam 203 to plug each group of static contact terminals 3 downward. Through the observation mirror 101, it can be observed whether it is plugged in to the appropriate position and complete the plugging.

Claims

1. A relay for preventing terminal bending, comprising: A relay body (1), wherein an electromagnet, a tension spring, an iron yoke and a moving contact are fixedly arranged inside the relay body (1); characterized in that a sliding insulating frame (2) is slidably arranged at the lower part of the relay body (1); a static contact terminal (3) is slidably arranged at the bottom of the relay body (1), and the top of the static contact terminal (3) cannot pass through the bottom of the relay body (1); two sets of rotating guard plates (4) are rotatably arranged below both sides of the relay body (1), and the rotating guard plates (4) can rotate half a circle; a through slot for observation is opened on the front side of the relay body (1), and an observation mirror (101) is sealed and fixed in the through slot; the front side of the relay body (1) is provided with a through slot for observation, and an observation mirror (101) is sealed and fixed in the through slot; the interior of the front side of the relay body (1) is provided with a through slot for observation. A control screw (102) is rotatably provided, and the control screw (102) is located behind the observation mirror (101); a control shaft (103) is rotatably provided at the top of the observation mirror (101), and a bevel gear is provided at the rear end of the control shaft (103) and the top of the control screw (102) for transmission connection; two groups of fixed beams (202) and two groups of inclined beams (203) are integrally provided in the middle of the sliding insulating frame (2), and the fixed beams (202) and the inclined beams (203) are fixed to the top of the static contact terminal (3); a nut seat (204) is fixedly provided on the upper front side of the sliding insulating frame (2), and the nut seat (204) is threadedly connected to the control screw (102).

2. A relay for preventing terminal bending as claimed in claim 1, characterized in that: Four sets of inner slides (104) are fixedly provided on both sides of the interior of the relay body (1); two sets of side slide grooves (201) are integrally provided on both sides of the sliding insulating frame (2), and the side slide grooves (201) are fitted and slidably connected with the inner slides (104).

3. A relay for preventing terminal bending as claimed in claim 2, characterized in that: Two sets of positioning iron blocks (105) are fixedly arranged at the lower middle portion on both sides of the relay body (1).

4. A relay for preventing terminal bending as claimed in claim 3, characterized in that: An arc protection plate (205) is integrally provided in the middle of the sliding insulating frame (2), and a telescopic partition (206) is slidably provided at the bottom of the arc protection plate (205) in cooperation with a built-in spring.

5. A relay for preventing terminal bending as claimed in claim 4, characterized in that: Side maintenance frames (401) are slidably provided on both sides of the rotating guard plate (4), and positioning magnetic blocks (402) are fixedly provided at both ends of the side maintenance frames (401); when the rotating guard plate (4) is set downward, the front and rear side maintenance frames (401) can be adsorbed and fixed by the positioning magnetic blocks (402); when the rotating guard plate (4) is set upward, the positioning magnetic blocks (402) are adsorbed and fixed on the outside of the positioning iron block (105).

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