Intermediate relay fastening mechanism

Abstract

The utility model discloses an intermediate relay fastening mechanism, which belongs to the technical field of relay auxiliary mechanisms and comprises a bottom plate, a fastening assembly and a dismounting assembly. The fastening assembly comprises a fastening plate, a driving mechanism used for driving the fastening plate to press the intermediate relay and an adjusting frame used for installing the driving mechanism, the disassembling and assembling assembly comprises an installing frame fixedly connected to the bottom plate and an installing block fixedly connected with the adjusting frame, the installing block is inserted into the installing frame, and the installing block and the installing frame are locked. According to the utility model, after the intermediate relay is installed in the installation area, the fastening plate can be driven to press the intermediate relay so as to carry out secondary fastening on the intermediate relay, so that the installation stability of the intermediate relay is improved, that is, the intermediate relay does not fall off even if a screw is loosened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to relay auxiliary mechanism technical field, especially relate to a middle relay fastening mechanism. BACKGROUND

[0002] The middle relay is used in the relay protection and automatic control system to increase the number and capacity of contacts and transmit intermediate signals in the control circuit. The main body of the middle relay is usually installed on the base by screws and the like. However, the screws are prone to loosening, which may result in reduced installation stability of the main body of the middle relay and even cause the middle relay to fall off after a long period of use. SUMMARY

[0003] The utility model discloses a middle relay fastening mechanism which can improve the installation stability of the middle relay to overcome the defects of the prior art.

[0004] The utility model discloses a middle relay fastening mechanism which can improve the installation stability of the middle relay to overcome the defects of the prior art.

[0005] A middle relay fastening mechanism comprises:

[0006] A bottom plate is provided with an installation area for installing the middle relay;

[0007] A fastening assembly comprises a fastening plate, a driving mechanism for pressing the fastening plate against the middle relay and an adjusting frame for installing the driving mechanism;

[0008] A dismounting assembly comprises an installation frame fixedly connected to the bottom plate and an installation block fixedly connected to the adjusting frame, the installation block is inserted into the installation frame, and the installation block is locked with the installation frame.

[0009] Further, the dismounting assembly comprises two installation frames respectively located at two ends of the installation area, and two installation blocks are respectively inserted into the two installation frames; the two installation blocks are respectively fixedly connected to two adjusting frames, two driving mechanisms are respectively installed in the two adjusting frames, and the output ends of the two driving mechanisms are respectively fixedly connected to two fastening plates for respectively pressing against two sides of the middle relay.

[0010] Further, the driving mechanism comprises a lead screw rotatably connected to the adjusting frame and a lead screw nut threadedly connected to the lead screw and slidably connected in the adjusting frame, and the side of the lead screw nut away from the adjusting frame is fixedly connected to the fastening plate.

[0011] Further, the side of the fastening plate close to the installation area is fixedly connected to a rubber pad.

[0012] Further, the top end of the lead screw penetrates through the adjusting frame and is coaxially fixedly connected to a knob.

[0013] Further, the lead screw is rotatably connected to the adjusting frame through a bearing.

[0014] Further, the mounting block is in sliding fit with the inner wall of the mounting frame, one side of the mounting block is provided with a locking groove, the outer side of the mounting frame close to the locking groove is fixedly connected with a U-shaped plate, the inner side of the U-shaped plate is fixedly connected with a baffle, the baffle and the U-shaped plate are in sliding connection through a groove, and one end of the locking plate penetrates into the inner side of the mounting frame and is in sliding fit with the inner wall of the locking groove.

[0015] Further, the end of the locking plate in sliding fit with the locking groove is provided with a curved surface.

[0016] Further, the locking plate is fixedly connected with a reset plate, and the reset spring is connected between the reset plate and the inner wall of the U-shaped plate.

[0017] Further, two reset springs are connected between the reset plate and the inner wall of the U-shaped plate, and the two reset springs are symmetrically arranged on the two sides of the locking plate.

[0018] The beneficial effects of the utility model lie in:

[0019] 1. After the intermediate relay is installed in the installation area, the fastening plate can be driven to press the intermediate relay, so as to perform secondary fastening on the intermediate relay, thereby improving the installation stability of the intermediate relay, that is, even if the screw is loose, the intermediate relay will not fall off.

[0020] 2. The utility model realizes the disassembly of the adjusting frame through the cooperation of the mounting frame and the mounting block, so as to conveniently install the fastening assembly on the side surface of different intermediate relays, so that the universality of the intermediate relay fastening mechanism is stronger; meanwhile, the mounting block is locked in the mounting frame, so that the stability of the intermediate relay fastening mechanism can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In the following, the utility model will be described in more detail based on the embodiments and with reference to the drawings.

[0022] Among them:

[0023] Figure 1 The structure schematic view of the utility model is shown;

[0024] Figure 2 The structure schematic view of the fastening assembly after disassembly in the utility model is shown;

[0025] Figure 3 The structure schematic view of the disassembly assembly after disassembly in the utility model is shown;

[0026] Figure 4 The installation schematic view of the locking plate in the utility model is shown;

[0027] In the drawings, like reference numerals refer to like elements throughout. The drawings are not to scale.

[0028] Reference numerals:

[0029] 1, bottom plate; 11, mounting area; 2, fastening assembly; 21, adjusting frame; 22, screw rod; 23, screw nut; 24, fastening plate; 25, rubber cushion; 26, knob; 3, dismounting assembly; 31, mounting frame; 32, mounting block; 33, locking groove; 34, U-shaped plate; 35, baffle; 36, locking plate; 37, reset plate; 38, reset spring. DETAILED DESCRIPTION

[0030] The utility model will be described further below with reference to the drawings.

[0031] Example 1

[0032] As shown in Figure 1 and Figure 2 , the embodiment provides a middle relay fastening mechanism, which comprises:

[0033] A bottom plate 1 is provided with a mounting area 11 for mounting a middle relay;

[0034] A fastening assembly 2 comprises a fastening plate 24, a driving mechanism for pressing the fastening plate 24 against the middle relay, and an adjusting frame 21 for mounting the driving mechanism;

[0035] A dismounting assembly 3 comprises a mounting frame 31 fixedly connected to the bottom plate 1 and a mounting block 32 fixedly connected to the adjusting frame 21, the mounting block 32 is inserted into the mounting frame 31, and the mounting block 32 is locked with the mounting frame 31;

[0036] The dismounting assembly 3 comprises two mounting frames 31 respectively located at both ends of the mounting area 11, and two mounting blocks 32 are respectively inserted into the two mounting frames 31; the two mounting blocks 32 are respectively fixedly connected to two adjusting frames 21, two driving mechanisms are respectively installed in the two adjusting frames 21, and the output ends of the two driving mechanisms are respectively fixedly connected to two fastening plates 24 for respectively pressing both sides of the middle relay; in addition, the two adjusting frames 21 on both sides of the mounting area 11 are placed in a staggered manner, and correspondingly, the two fastening plates 24 are also arranged in a staggered manner, so as to be able to press both sides of the middle relay.

[0037] Specifically, the driving mechanism comprises a lead screw 22 rotatably connected to the adjusting frame 21 through a bearing and a lead screw nut 23 threadedly connected to the lead screw 22 and slidingly connected in the adjusting frame 21, and the side of the lead screw nut 23 away from the adjusting frame 21 is fixedly connected to a fastening plate 24; the side of the fastening plate 24 close to the installation area 11 is fixedly connected to a rubber pad 25 to avoid damaging the intermediate relay due to the rigid contact between the fastening plate 24 and the intermediate relay; and the top end of the lead screw 22 penetrates through the adjusting frame 21 and is coaxially fixedly connected to a knob 26.

[0038] As can be seen from the above, the adjusting frame 21 is arranged on both sides of the installation area 11, the adjusting frames 21 on both sides of the installation area 11 are placed in a staggered manner, and the fastening plate 24 movable up and down is arranged on one side of the adjusting frame 21; after the intermediate relay is installed in the installation area 11, the fastening plate 24 is pressed on one side of the relay to perform secondary fastening on the intermediate relay, thereby improving the installation stability of the intermediate relay, that is, even if the screw is loose, the intermediate relay will not fall off.

[0039] In specific use, the intermediate relay is first installed in the installation area 11 through screws or other components, and then the lead screw 22 is driven to rotate by rotating the knob 26, the lead screw 22 drives the lead screw nut 23 and the fastening plate 24 thereon to move downward until the fastening plate 24 is pressed on one side of the intermediate relay.

[0040] Embodiment Two:

[0041] As shown in Figure 1 , Figure 3 and Figure 4 , this embodiment details the disassembly assembly 3 in Embodiment One, wherein the mounting block 32 is slidingly attached to the inner wall of the mounting frame 31, one side of the mounting block 32 is provided with a locking groove 33, the side of the mounting frame 31 close to the locking groove 33 is externally fixedly connected with a U-shaped plate 34, the U-shaped plate 34 is internally fixedly connected with a baffle 35, the baffle 35 and the U-shaped plate 34 are slidingly connected with a locking plate 36 through a slotted opening, and one end of the locking plate 36 penetrates into the interior of the mounting frame 31 and is slidingly attached to the inner wall of the locking groove 33.

[0042] Specifically, the end of the locking plate 36 for slidingly attaching to the locking groove 33 is provided with an arc surface; the locking plate 36 is fixedly connected with a reset plate 37, and the reset plate 37 is connected with the inner wall of the U-shaped plate 34 through two reset springs 38, and the two reset springs 38 are symmetrically arranged on both sides of the locking plate 36.

[0043] From the above, by the cooperation of the mounting frame 31 and the mounting block 32, the disassembly of the adjusting frame 21 can be realized, so as to facilitate the installation of the fastening assembly 2 on one side of different intermediate relays, so that the universality of the intermediate relay fastening mechanism is stronger; meanwhile, the cooperation of the locking plate 36 and the locking groove 33 can lock the mounting block 32 in the mounting frame 31, thereby improving the stability of the intermediate relay fastening mechanism.

[0044] In specific use, the mounting block 32 is aligned with the inner wall of the mounting frame 31 and is pressed down, in the pressing process, the edge of the mounting block 32 will first contact the locking plate 36 and extrude the locking plate 36 outward, until the mounting block 32 is pressed to the bottom of the mounting frame 31, the locking plate 36 will be inserted into the locking groove 33 under the action of the reset spring 38, thereby completing the installation.

[0045] In the description of the present application, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0046] Although the present application is described herein with reference to particular embodiments, it should be understood that these examples are merely illustrative of the principles and applications of the present application. It should therefore be understood that numerous modifications can be made to the exemplary embodiments, and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It should be understood that the features described in connection with the individual embodiments can be used in other described embodiments.

Claims

1. An intermediate relay fastening mechanism characterized by, The utility model relates to a middle relay mounting device, including: The bottom plate (1) is provided with the installation area (11) for installing the intermediate relay on the bottom plate (1); Fastening assembly (2), the fastening assembly (2) includes fastening plate (24), the drive mechanism for urging the fastening plate (24) to press the intermediate relay and the adjusting frame (21) for installing the drive mechanism; Disassembly assembly (3), the disassembly assembly (3) includes the installation frame (31) fixedly connected on the bottom plate (1) and the installation block (32) fixedly connected with the adjusting frame (21), the installation block (32) is inserted in the installation frame (31), and the installation block (32) is locked with the installation frame (31).

2. An intermediate relay fastening mechanism according to claim 1, characterized in that The disassembly assembly (3) includes two installation frames (31) located at both ends of the installation area (11) respectively, and two installation blocks (32) are inserted in the two installation frames (31) respectively;Two adjusting frames (21) are fixedly connected with two installation blocks (32) respectively, and two drive mechanisms are installed in two adjusting frames (21) respectively, and the output ends of two drive mechanisms are fixedly connected with two fastening plates (24) for pressing the two sides of the intermediate relay respectively.

3. An intermediate relay fastening mechanism according to claim 1 or 2, characterized in that The drive mechanism includes a lead screw (22) rotatably connected to the adjusting frame (21) and a lead screw nut (23) threadedly connected to the lead screw (22) and slidably connected in the adjusting frame (21), and the fastening plate (24) is fixedly connected to the side of the lead screw nut (23) away from the adjusting frame (21).

4. An intermediate relay fastening mechanism according to claim 3, characterized in that The side of the fastening plate (24) close to the installation area (11) is fixedly connected with a rubber pad (25).

5. An intermediate relay fastening mechanism according to claim 3, wherein The top end of the lead screw (22) penetrates through the adjusting frame (21) and is coaxially fixedly connected with a knob (26).

6. An intermediate relay fastening mechanism according to claim 3, wherein The lead screw (22) is rotatably connected to the adjusting frame (21) through a bearing.

7. An intermediate relay fastening mechanism according to claim 1 or 2, characterized in that The installation block (32) is slidably fitted with the inner wall of the installation frame (31), one side of the installation block (32) is provided with a locking groove (33), the outer side of the installation frame (31) close to the locking groove (33) is fixedly connected with a U-shaped plate (34), the inner side of the U-shaped plate (34) is fixedly connected with a baffle (35), the baffle (35) and the U-shaped plate (34) are slidably connected with a locking plate (36) through a slot, and one end of the locking plate (36) penetrates into the inner side of the installation frame (31) and is slidably fitted with the inner wall of the locking groove (33).

8. An intermediate relay fastening mechanism according to claim 7, characterized in that The end of the locking plate (36) for being slidably fitted with the locking groove (33) is provided with a curved surface.

9. An intermediate relay fastening mechanism according to claim 8, characterized in that The locking plate (36) is fixedly connected with a reset plate (37), and the reset spring (38) is connected between the reset plate (37) and the inner wall of the U-shaped plate (34).

10. An intermediate relay fastening mechanism according to claim 9, wherein Two reset springs (38) are connected between the reset plate (37) and the inner wall of the U-shaped plate (34), and the two reset springs (38) are symmetrically arranged on both sides of the locking plate (36).

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