Power relay convenient to maintain

Abstract

The utility model relates to the field of relays, in particular to a power relay convenient to maintain, which comprises a clamping block structure replaced by a set of tensioning assembly, and the tensioning assembly comprises a screw rod, a support, a supporting rod and a guide rod. Compared with the prior art, the relay has the advantages that in the design mode of the relay, a traditional clamping groove and clamping block structure is improved, a plurality of supporting plates are further embedded into an inner inclined groove of the relay base, the trend of inclined plane blocking is formed, and the fixing effect between the relay body and the base is provided; therefore, the frequency of faults is reduced, and the maintenance work of the relay is easier and more convenient.

Description

Technical Field

[0001] This utility model relates to the field of relays, specifically to a power relay that is easy to maintain. Background Technology

[0002] A relay is a circuit control element that is often installed in a distribution box to perform functions such as automatic adjustment, safety protection, and circuit switching in a circuit.

[0003] Most relays are installed by inserting a clip into a slot to mount the relay body onto the relay base. However, the plastic clip, once engaged with the slot, can slip. If the two are not securely fixed, it will affect the normal use of the relay and the normal operation of the control circuit. When the circuit malfunctions as a result, frequent maintenance is required. Therefore, a power relay that is easy to maintain is provided. Utility Model Content

[0004] I. Technical problems to be solved

[0005] The technical problem this invention aims to solve is that most relays are fixed using a simple snap-fit ​​method, which makes them prone to failure during daily circuit operation, leading to an increased maintenance frequency.

[0006] II. Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a power relay that is easy to maintain, including a relay body, a plurality of plugs connected to the top of one side of the relay body, a relay base provided on one side of the relay body, and a plurality of slots that mate with the plugs connected to the top of one side of the relay base.

[0008] A screw sleeve is rotatably connected to the bottom side of the relay body. A power mechanism for driving the screw sleeve to rotate is connected to the relay body. A screw rod is connected inside the screw sleeve. One end of the screw rod extends to the outside of the relay and is connected to a tensioning component. The tensioning component is located below the plug. A slot that cooperates with the tensioning component is connected to the bottom side of the relay base.

[0009] Furthermore, the power mechanism includes a support shaft, which is rotatably connected to one side below the relay body. A first gear is connected to the threaded sleeve, and a second gear that meshes with the first gear is connected to the support shaft. A turntable is connected to the support shaft, and one side of the turntable penetrates the relay body cover and extends to its outer side.

[0010] Furthermore, the tensioning assembly includes a support, which is externally connected to one side of the bottom of the relay body. One end of the screw passes through the support and is connected to a driving block. Support rods are rotatably connected around the support. A guide rod is rotatably connected between the driving block and the support rods. A limiting assembly for regulating the movement state of the screw is connected between the driving block and the relay body.

[0011] Furthermore, the limiting component includes a limiting rod, one end of which is connected to the driving block. The limiting rod passes through the relay body housing and is slidably connected to the relay body. The end of the screw away from the driving block is connected to a limiting block.

[0012] Furthermore, the relay base is provided with an inner inclined groove around the slot that cooperates with the support rod.

[0013] III. Beneficial Effects

[0014] The advantages of this utility model compared with the prior art are as follows: In terms of design, the traditional slot and block structure of the relay is improved by embedding multiple support plates into the inclined groove inside the relay base to form an inclined blocking trend, which provides a fixing effect between the relay body and the base, thereby reducing the frequency of failure and making the relay maintenance work easier and more convenient. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the external structure of a power relay that is easy to maintain according to this utility model.

[0016] Figure 2 This is a schematic diagram of the internal structure of a power relay structure that is easy to maintain according to this utility model. Figure 1 .

[0017] Figure 3 This is a schematic diagram of the internal structure of a power relay that is easy to maintain, according to this utility model. Figure 2 .

[0018] Figure 4 This is a schematic diagram of the internal structure of a power relay that is easy to maintain, according to this utility model. Figure 3 .

[0019] Figure 5 yes Figure 1 A partial structural diagram.

[0020] Figure 6 yes Figure 2 A partial structural diagram.

[0021] Figure 7 yes Figure 3 A schematic diagram of the structure of part A.

[0022] Figure 8 yes Figure 4 A schematic diagram of the structure of part B.

[0023] As shown in the figure: 1. Relay body, 2. Plug, 3. Relay base, 4. Slot, 5. Screw sleeve, 6. Gear one, 7. Support shaft, 8. Gear two, 9. Turntable, 10. Screw, 11. Limit block, 12. Support, 13. Drive block, 14. Support rod, 15. Limit rod, 16. Guide rod, 17. Slot, 18. Inner inclined groove. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] Example 1

[0026] Combined with appendix Figure 1-5 To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a power relay that is easy to maintain, including a relay body 1, a plurality of plugs 2 connected to the top of one side of the relay body 1, a relay base 3 provided on one side of the relay body 1, a plurality of slots 4 that mate with the plugs 2 connected to the top of one side of the relay base 3, a screw 10 connected to one side of the bottom of the relay body 1, a tensioning component connected to one end of the screw 10 extending to the outside of the relay body, the tensioning component being located below the plugs 2, a slot 17 that mates with the tensioning component connected to the bottom of one side of the relay base 3, the tensioning component including a support 12, the support 12 being located outside the bottom of the relay body 1, a drive block 13 connected to one end of the screw 10 passing through the support 12, a support rod 14 rotatably connected around the support 12, a guide rod 16 rotatably connected between the drive block 13 and the support rod 14, and an inner inclined groove 18 that mates with the support rod 14 connected around the slot 17 of the relay base 3.

[0027] The screw 10 carries the drive block 13 to extend and retract on one side of the bottom of the relay body 1, causing the guide rod 16 to rotate on the drive block 13. This further changes the position of the support rod 14, which is in a rotating state on the support 12, to open outward or close inward. When this tensioning assembly enters the slot 17 on the relay base 3 in a closed position, the support rod 14 opens outward under the drive of the screw 10 and enters the corresponding inner inclined slot 18. At this time, the state of the screw 10 is locked. Since the support plate is embedded in the inner inclined slot 18 of the relay base 3, the relay body 1 carrying the tensioning assembly cannot be detached from the relay base 3.

[0028] Example 2

[0029] Combined with appendix Figure 1-4 and appendix Figure 6-8 A screw sleeve 5 is rotatably connected to the bottom side of the relay body 1. A power mechanism for driving the screw sleeve 5 to rotate is connected to the relay body 1. The screw 10 is located inside the screw sleeve 5. The power mechanism includes a support shaft 7, which is rotatably connected to the lower side of the relay body 1. A gear 6 is connected to the screw sleeve 5. A gear 8 that meshes with the gear 6 is connected to the support shaft 7. A turntable 9 is connected to the support shaft 7. One side of the turntable 9 penetrates the cover of the relay body 1 and extends to its outer side. A limiting component for regulating the movement state of the screw 10 is connected between the drive block 13 and the relay body 1. The limiting component includes a limiting rod 15. One end of the limiting rod 15 is connected to the drive block 13. The limiting rod 15 penetrates the cover of the relay body 1 and is slidably connected to the relay body 1. A limiting block 11 is connected to the end of the screw 10 away from the drive block 13.

[0030] By manually powering the turntable 9 on one side of the relay body 1, the support shaft 7 is rotated. The turntable 9 has teeth on its edge, which can be easily rotated by sliding the fingers. Under the mutual transmission of gear 6 and gear 8, the screw sleeve 5 on one side rotates together with the support shaft 7. Furthermore, through the limiting conditions provided by the limiting rod 15, the screw 10 moves the drive block 13 within the screw sleeve 5 and the relay body 1.

[0031] In practical implementation, during installation, the plugs 2 on the relay body 1 are inserted into the corresponding slots 4 on the relay base 3, and the tensioning component, acting as a substitute for the locking block, is embedded in the slot 17. Since the plugs 2 are inserted into the relay base 3, they provide some support, ensuring stability. There is no need to worry about the tensioning component not fitting snugly against the relay base 3, leading to instability. Holding or pressing the relay body 1 with one hand ensures stability. The other free hand rotates the turntable 9, causing the screw 10 to move along with the drive block 13, resulting in the surrounding support plates rotating outwards and extending. Once the support plate rotates, it enters the inner inclined groove 18 deep within the slot 17. Due to the threaded fit between the screw sleeve 5 and the screw 10, the position of the screw 10 remains stable even when the turntable 9 is not rotated by external force. This greatly enhances the stability of the relay body 1 on the relay base 3, preventing slippage or loosening during operation and reducing the frequency of maintenance. Even when the relay body 1 needs to be removed from the relay base 3 for maintenance, it is only necessary to slightly rotate the turntable 9 and retract the support plate on the tensioning assembly to remove the relay body 1.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A power relay that is easy to maintain, comprising a relay body (1), wherein a plurality of plugs (2) are connected to the top of one side of the relay body (1), and a relay base (3) is provided on one side of the relay body (1), wherein a plurality of slots (4) that mate with the plugs (2) are connected to the top of one side of the relay base (3), characterized in that: A screw sleeve (5) is rotatably connected to the bottom side of the relay body (1). A power mechanism for driving the screw sleeve (5) to rotate is connected to the relay body (1). A screw rod (10) is connected inside the screw sleeve (5). One end of the screw rod (10) extends to the outside of the relay side and is connected to a tensioning component. The tensioning component is located below the plug (2). A slot (17) that cooperates with the tensioning component is connected to the bottom side of the relay base (3).

2. The power relay for easy maintenance according to claim 1, characterized in that: The power mechanism includes a support shaft (7), which is rotatably connected to the lower side of the relay body (1). A gear 1 (6) is connected to the screw sleeve (5), and a gear 2 (8) that meshes with the gear 1 (6) is connected to the support shaft (7). A turntable (9) is connected to the support shaft (7), and one side of the turntable (9) penetrates the cover of the relay body (1) and extends to its outer side.

3. The power relay for easy maintenance according to claim 1, characterized in that: The tensioning assembly includes a support (12), which is externally connected to the bottom side of the relay body (1). One end of the screw (10) passes through the support (12) and is connected to a drive block (13). A support rod (14) is rotatably connected around the support (12). A guide rod (16) is rotatably connected between the drive block (13) and the support rod (14). A limiting assembly for regulating the movement state of the screw (10) is connected between the drive block (13) and the relay body (1).

4. The power relay for easy maintenance according to claim 3, characterized in that: The limiting component includes a limiting rod (15), one end of which is connected to the driving block (13). The limiting rod (15) passes through the cover of the relay body (1) and is slidably connected to the relay body (1). The end of the screw (10) away from the driving block (13) is connected to a limiting block (11).

5. The power relay for easy maintenance according to claim 4, characterized in that: The relay base (3) is provided with an inner inclined groove (18) around the slot (17) that cooperates with the support rod (14).

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