CN219303559U

CN219303559U - Relay contact protection structure

Info

Publication number: CN219303559U
Application number: CN202320304280.XU
Authority: CN
Inventors: 仇敏; 安小建
Original assignee: Xi'an Hongfa Electric Appliance Co ltd
Current assignee: Xi'an Hongfa Electric Appliance Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-04
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a relay contact protection structure, which relates to the technical field of relay contacts and comprises a substrate, wherein the upper surface of the substrate is provided with a slot, the upper surface of the substrate is provided with a relay protection shell, the outer surface of the relay protection shell is inserted into the inner wall of the slot, the upper surface of the relay protection shell is provided with protection mechanisms which are arranged at equal intervals, the upper surface of the substrate is fixedly connected with two symmetrical vertical plates, the outer surfaces of the two vertical plates are provided with sliding grooves, and the inner wall of the sliding grooves is connected with rectangular blocks in a sliding manner. It can be through setting up protection machanism's effect, when relay device connecting wire, can carry out the centre gripping fixed to the circuit, avoids the circuit to make its circuit contact position not hard up droing under the influence that receives external force to protection machanism inside protection architecture can protect the circuit of contact part, avoids the circuit to receive the damage and prevents that the hydrone from getting into inside, improves relay contact protection architecture's protectiveness.

Description

Relay contact protection structure

Technical Field

The utility model relates to the technical field of relay contacts, in particular to a relay contact protection structure.

Background

The relay is an electric control device, and when the change of the input quantity reaches the specified requirement, the controlled quantity generates a preset step change in an electric output circuit, and the relay is provided with a control system and a controlled system, is generally applied to an automatic control circuit, and plays roles of automatic adjustment, safety protection, a switching circuit and the like in the circuit. Meanwhile, the relay has a control system (also called an input loop) and a controlled system (also called an output loop), is generally applied to an automatic control circuit, is actually an automatic switch for controlling larger current by smaller current, and is widely used in the fields of chemical industry, coal mines and the like, which need explosion protection, moisture protection and corrosion protection.

A relay protection structure is disclosed in chinese patent application No. 201821722080.1. Including electrical apparatus shell, top wiring mouth, insulating rubber cover, recess, fixed orifices one, inside wiring mouth, switch and apron, electrical apparatus shell top fixed surface is connected with the top wiring mouth, and the joint is provided with insulating rubber cover in the middle of the top wiring mouth, and electrical apparatus shell left and right sides nestification is provided with the recess, and recess top trompil is provided with fixed orifices one, and the trompil is provided with inside wiring mouth in the middle of the electrical apparatus shell front end, and electrical apparatus shell front end right side joint is provided with the switch, and electrical apparatus shell is provided with the apron through the recess joint.

The relay device in the scheme is only sleeved with the rubber sleeve at the wiring point when the circuit is connected, and when the circuit is influenced by external force, the circuit is pulled or bent at a large angle, and the circuit is loose and falls off at the moment, so that the circuit joint is damaged in severe cases, and the relay cannot work; therefore, we provide a relay contact protection structure to solve the above problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides a relay contact protection structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a relay contact protective structure, includes the base plate, the slot has been seted up to the upper surface of base plate, the upper surface of base plate is equipped with relay protection shell, relay protection shell's surface is pegged graft in the inner wall of slot, relay protection shell's upper surface is provided with equidistant protection machanism, the upper surface fixedly connected with of base plate two symmetrical risers, two the spout has all been seted up to the surface of riser, the inner wall sliding connection of spout has the rectangular piece, the surface fixed connection of rectangular piece is in relay protection shell's surface, the upper surface of base plate is provided with two symmetrical stop gear, relay body is installed to the upper surface mounting of base plate, relay body's upper surface mounting has four equidistant internal wiring mouths of arranging.

Further, the protection machanism includes the subassembly case, the bottom surface fixed connection of subassembly case is in the upper surface of relay protecting crust, the slide hole has been seted up to the surface of subassembly case, two symmetrical connecting holes have been seted up to the surface of subassembly case, the inner wall of connecting hole is linked together with the inner wall of inside wiring mouth, the upper surface fixedly connected with insulating rubber cover of subassembly case, the internally mounted of insulating rubber cover has the stop collar that absorbs water.

Further, the inner wall fixedly connected with spacing pipe of subassembly case, the inner wall of spacing pipe is linked together with the inner wall of connecting hole and the inner wall of insulating rubber cover, the jack has been seted up to the surface of spacing pipe, the inner wall fixedly connected with two symmetrical slide bars of subassembly case, the inner wall fixedly connected with screw sleeve of subassembly case.

Further, threaded rod is connected with to threaded sleeve's inner wall threaded connection, threaded rod's surface sliding connection is in the inner wall of slide hole, threaded rod's surface threaded connection has the movable block, the surface fixedly connected with protection pad of movable block, the surface fixedly connected with of movable block two symmetrical sliders, two the inner wall of slider is all sliding connection in the surface of slide bar, threaded sleeve's surface fixedly connected with carousel.

Further, stop gear includes assembly piece and inserted bar, the surface fixed connection of assembly piece is in the upper surface of base plate, the surface fixed connection of inserted bar is in the surface of relay protecting crust.

Further, the limiting groove is formed in the outer surface of the assembly block, the slideway is formed in the outer surface of the assembly block, the assembly cavity is formed in the inner wall of the slideway, the inner wall of the assembly cavity penetrates through the inner wall of the limiting groove, the limiting hole is formed in the outer surface of the inserted link, and the outer surface of the inserted link is slidably connected to the inner wall of the limiting groove.

Further, the inner wall sliding connection in subassembly chamber has the gag lever post, the surface sliding connection in the inner wall in spacing hole of gag lever post, the surface fixedly connected with elastic component of gag lever post, the one end fixedly connected with in the inner wall in subassembly chamber of gag lever post surface is kept away from to elastic component, the surface fixedly connected with hand piece of gag lever post, the surface sliding connection in the inner wall of slide of hand piece.

Compared with the prior art, the relay contact protection structure has the following beneficial effects:

1. according to the utility model, through the function of the protection mechanism, when the relay device is connected with the circuit, the circuit can be clamped and fixed, the loose falling of the circuit contact point part of the circuit under the influence of external force is avoided, the circuit of the contact point part can be protected by the internal protection structure of the protection mechanism, the circuit is prevented from being damaged, water molecules are prevented from entering the inside, and the protection performance of the relay contact point protection structure is improved.

2. According to the relay protection shell, under the cooperation of the slot, the relay protection shell and the limiting mechanism, after the relay protection shell is inserted into the slot, the internal space of the relay protection shell is formed into a closed space, and the relay protection shell cannot slide out of the slot under the limiting effect of the limiting mechanism, so that the sealing performance of the internal space of the relay protection shell is ensured, and the relay is prevented from being oxidized and rusted due to the fact that external water molecules enter the inside.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the protection mechanism of the present utility model;

fig. 4 is a schematic diagram of an explosion structure of the limiting mechanism of the present utility model.

In the figure: 1. a substrate; 2. a slot; 3. a relay protective housing; 4. a protective mechanism; 401. an assembly box; 402. a slide hole; 403. a connection hole; 404. an insulating rubber sleeve; 405. a water-absorbing limit sleeve; 406. a limiting tube; 407. a jack; 408. a slide bar; 409. a threaded sleeve; 410. a threaded rod; 411. a moving block; 412. a protective pad; 413. a slide block; 414. a turntable; 5. a riser; 6. a chute; 7. rectangular blocks; 8. a limiting mechanism; 801. a module block; 802. a rod; 803. a slideway; 804. a module cavity; 805. a limit groove; 806. a limiting hole; 807. a limit rod; 808. an elastic component; 809. a hand pulling block; 9. a relay body; 10. an internal wiring port.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The embodiment provides relay contact protection structure, this protector is used for protecting circuit contact part at relay circuit connection's in-process, through setting up the effect of protection machanism 4, when relay device connects the circuit, can carry out the centre gripping to fix to the circuit, avoid the circuit to make its circuit contact position not hard up drop under the influence that receives external force, and protection machanism 4 inside protection architecture can protect the circuit of contact part, avoid the circuit to receive the damage and prevent that the hydrone from getting into inside, improve relay contact protection structure's protectiveness.

Referring to fig. 1 to 4, the relay contact protection structure comprises a substrate 1, a slot 2 is formed in the upper surface of the substrate 1, a relay protection shell 3 is arranged on the upper surface of the substrate 1, and the outer surface of the relay protection shell 3 is inserted into the inner wall of the slot 2.

The part of the relay protection shell 3, which is contacted with the inner wall of the slot 2, is provided with a layer of rubber material, after the relay protection shell 3 is inserted into the inner wall of the slot 2, a closed space is formed inside the relay protection shell 3, and the bottom gap is completely closed by rubber, so that water molecules cannot enter.

The upper surface of relay protecting crust 3 is provided with equidistant protection mechanism 4.

Referring to fig. 1, 2 and 3, the protection mechanism 4 comprises an assembly box 401, the bottom surface of the assembly box 401 is fixedly connected to the upper surface of the relay protection shell 3, a sliding hole 402 is formed in the outer surface of the assembly box 401, two symmetrical connecting holes 403 are formed in the outer surface of the assembly box 401, the inner wall of the connecting holes 403 is communicated with the inner wall of the internal wiring port 10, an insulating rubber sleeve 404 is fixedly connected to the upper surface of the assembly box 401, and a water absorption limiting sleeve 405 is installed in the insulating rubber sleeve 404.

In this embodiment, the insulating rubber sleeve 404 can protect the circuit due to its material characteristics, and under the protection of the water-absorbing stop collar 405, water molecules are adsorbed by the water-absorbing stop collar 405 after the circuit is inserted, so that the water cannot enter the circuit.

The circuit can be protected through the functions of the insulating rubber sleeve 404 and the water-absorbing limiting sleeve 405, and the inner walls of the insulating rubber sleeve 404 and the water-absorbing limiting sleeve 405 are tightly attached to the surface of the circuit when the circuit is inserted, so that water molecules are prevented from entering the circuit.

The inner wall fixedly connected with spacing pipe 406 of subassembly case 401, the inner wall of spacing pipe 406 is linked together with the inner wall of connecting hole 403 and the inner wall of insulating rubber cover 404, and jack 407 has been seted up to the surface of spacing pipe 406, and the inner wall fixedly connected with two symmetrical slide bars 408 of subassembly case 401, the inner wall fixedly connected with screw sleeve 409 of subassembly case 401.

The inner wall of threaded sleeve 409 is threadedly coupled with threaded rod 410, and the outer surface of threaded rod 410 is slidably coupled to the inner wall of slide hole 402.

By the cooperation of the threaded sleeve 409 and the threaded rod 410, the threaded sleeve 409 which cooperates with the threaded connection during the rotation of the threaded rod 410 can stably move back and forth, and simultaneously pushes the moving block 411, the protection pad 412 and the sliding block 413 to move.

The external surface threaded connection of threaded rod 410 has movable block 411, and the external surface fixedly connected with protection pad 412 of movable block 411, and the external surface fixedly connected with two symmetrical sliders 413 of movable block 411, the inner wall of two sliders 413 all sliding connection in the external surface of slide bar 408, the external surface fixedly connected with carousel 414 of threaded sleeve 409.

The material of the protection pad 412 is preferably an insulating rubber material, so that the protection pad can avoid the damage to the circuit caused by the direct application of the pressurizing force to the circuit when the circuit is limited and fixed.

Through the cooperation of the sliding rod 408 and the sliding block 413, the moving block 411 can be limited while the threaded rod 410 is pushed, so that the moving block 411 cannot rotate along with the threaded rod 410, and the condition that the line cannot be inserted into the jack 407 to be clamped and fixed is prevented.

The upper surface fixedly connected with two symmetrical riser 5 of base plate 1, spout 6 has all been seted up to the surface of two risers 5, and the inner wall sliding connection of spout 6 has rectangular piece 7, the surface fixed connection of rectangular piece 7 and the surface of relay protective housing 3.

Through the cooperation of riser 5, spout 6, rectangle piece 7, drive rectangle piece 7 landing when relay protecting crust 3 landing, rectangle piece 7 receives the spacing of spout 6, makes its relay protecting crust 3 stable downwardly moving.

Two symmetrical limiting mechanisms 8 are arranged on the upper surface of the base plate 1.

Referring to fig. 1 and 4, the limit mechanism 8 includes an assembly block 801 and an insert rod 802, the outer surface of the assembly block 801 is fixedly connected to the upper surface of the base plate 1, and the outer surface of the insert rod 802 is fixedly connected to the outer surface of the relay protection shell 3.

The spacing groove 805 has been seted up to the surface of subassembly piece 801, and slide 803 has been seted up to the surface of subassembly piece 801, and the subassembly chamber 804 has been seted up to the inner wall of slide 803, and the inner wall in subassembly chamber 804 runs through in the inner wall of spacing groove 805, and spacing hole 806 has been seted up to the surface of inserted bar 802, and the surface sliding connection of inserted bar 802 is in the inner wall of spacing groove 805.

The inner walls of the component cavity 804 and the limit hole 806 have the same shape and the same size as the surface of the limit rod 807, and when the relay protection shell 3 moves downwards, the insert rod 802 is driven to move, and when the relay protection shell moves to the bottom, the insert rod 802 is inserted into the limit groove 805, and the limit hole 806 is overlapped with the inner wall of the component cavity 804.

The inner wall of the assembly cavity 804 is slidably connected with a limiting rod 807, the outer surface of the limiting rod 807 is slidably connected with the inner wall of the limiting hole 806, and the outer surface of the limiting rod 807 is fixedly connected with an elastic assembly 808.

In this embodiment, the state of the elastic component 808 is always in a pushing state, and at this time, under the pushing action of the elastic component 808, the limiting rod 807 is driven to move toward the inner wall of the limiting hole 806 until penetrating the limiting hole 806, so that the relay protection shell 3 can be limited and fixed, and cannot move.

One end of the elastic component 808, which is far away from the outer surface of the limiting rod 807, is fixedly connected to the inner wall of the component cavity 804, the outer surface of the limiting rod 807 is fixedly connected with a hand pulling block 809, and the outer surface of the hand pulling block 809 is slidably connected to the inner wall of the slideway 803.

When the limit is required to be released, the manual pulling of the hand pulling block 809 drives the limit rod 807 to move while the slide 803 is pulled, and when the limit rod 807 slides out of the inner wall of the limit hole 806, the limit fixing of the relay protection shell 3 is released, and the relay protection shell 3 is lifted up manually to be taken down.

The upper surface of the base plate 1 is provided with a relay body 9, and the upper surface of the relay body 9 is provided with four internal wiring ports 10 which are arranged at equal intervals.

Working principle: when the relay protection shell 3 is used in the embodiment, firstly, the relay protection shell 3 slides downwards, the rectangular block 7 is driven to slide down by the cooperation of the vertical plate 5, the sliding groove 6 and the rectangular block 7 when the relay protection shell 3 slides down, the rectangular block 7 is limited by the sliding groove 6, the relay protection shell 3 is enabled to stably move downwards, after the relay protection shell 3 is moved to the limit position, the relay protection shell 3 is inserted into the slot 2 to enable the relay protection shell 3 to form a closed space, then, the inserting rod 802 is driven to move while the relay protection shell 3 is moved, when the relay protection shell 3 is moved to the bottom, the inserting rod 802 is inserted into the limiting groove 805 at the moment, the limiting hole 806 coincides with the component cavity 804, the limiting rod 807 is driven to move towards the inner wall of the limiting hole 806 under the pushing action of the elastic component 808 until the limiting hole 806 is penetrated, at the moment, the relay protection shell 3 can be limited and fixed, and finally, the line is inserted into the insulating rubber sleeve 404 until the insulating rubber sleeve 404 and the connecting hole 403 extend to the inside of the internal wiring port 10 all the way, the effect of the insulating rubber sleeve 404 and the water-absorbing limiting sleeve 405 is utilized, the line can be protected, and when the line is inserted, the inner walls of the insulating rubber sleeve 404 and the water-absorbing limiting sleeve 405 are tightly attached to the surface of the line, water molecules are prevented from entering the inside, at the moment, the rotating turntable 414 drives the threaded rod 410 to rotate, the threaded sleeve 409 and the threaded rod 410 can move back and forth stably under the cooperation of the threaded sleeve 409 and the threaded rod 410, the moving block 411, the protecting pad 412 and the sliding block 413 are pushed to move while moving, the moving block 411 can be limited while the threaded rod 410 is pushed, so that the moving block 411 can not rotate along with the threaded rod 410, preventing the line from being clamped and secured by being inserted into the receptacle 407.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. Relay contact protective structure, including base plate (1), its characterized in that: the utility model discloses a relay protection device, including base plate (1), relay protection shell (3), upper surface of base plate (1) has been seted up slot (2), the upper surface of base plate (1) is equipped with relay protection shell (3), the surface of relay protection shell (3) is pegged graft in the inner wall of slot (2), the upper surface of relay protection shell (3) is provided with protection machanism (4) of equidistance range, the upper surface fixedly connected with of base plate (1) two symmetrical riser (5), two spout (6) have all been seted up to the surface of riser (5), the inner wall sliding connection of spout (6) has rectangular piece (7), the surface fixed connection of rectangular piece (7) is in the surface of relay protection shell (3), the upper surface of base plate (1) is provided with two symmetrical stop gear (8), the upper surface mounting of base plate (1) has relay body (9), the upper surface mounting of relay body (9) has four inside wiring mouths (10) of equidistant range.

2. The relay contact protection structure according to claim 1, wherein: the protection mechanism (4) comprises an assembly box (401), the bottom surface of the assembly box (401) is fixedly connected to the upper surface of a relay protection shell (3), a sliding hole (402) is formed in the outer surface of the assembly box (401), two symmetrical connecting holes (403) are formed in the outer surface of the assembly box (401), the inner wall of the connecting holes (403) is communicated with the inner wall of an internal wiring port (10), an insulating rubber sleeve (404) is fixedly connected to the upper surface of the assembly box (401), and a water absorption limiting sleeve (405) is arranged in the insulating rubber sleeve (404).

3. The relay contact protection structure according to claim 2, wherein: the inner wall fixedly connected with spacing pipe (406) of subassembly case (401), the inner wall of spacing pipe (406) is linked together with the inner wall of connecting hole (403) and the inner wall of insulating rubber cover (404), jack (407) have been seted up to the surface of spacing pipe (406), the inner wall fixedly connected with two symmetrical slide bars (408) of subassembly case (401), the inner wall fixedly connected with screw sleeve (409) of subassembly case (401).

4. The relay contact protection structure according to claim 3, wherein: the inner wall threaded connection of screw sleeve (409) has threaded rod (410), the surface sliding connection of threaded rod (410) is in the inner wall of slide hole (402), the surface threaded connection of threaded rod (410) has movable block (411), the surface fixedly connected with protection pad (412) of movable block (411), the surface fixedly connected with of movable block (411) two symmetrical slider (413), two the inner wall of slider (413) is all sliding connection in the surface of slide bar (408), the surface fixedly connected with carousel (414) of screw sleeve (409).

5. The relay contact protection structure according to claim 1, wherein: the limiting mechanism (8) comprises an assembly block (801) and an inserting rod (802), wherein the outer surface of the assembly block (801) is fixedly connected to the upper surface of the base plate (1), and the outer surface of the inserting rod (802) is fixedly connected to the outer surface of the relay protective shell (3).

6. The relay contact protection structure according to claim 5, wherein: spacing groove (805) have been seted up to the surface of subassembly piece (801), slide (803) have been seted up to the surface of subassembly piece (801), component chamber (804) have been seted up to the inner wall of slide (803), the inner wall in component chamber (804) runs through in the inner wall of spacing groove (805), spacing hole (806) have been seted up to the surface of inserted bar (802), the surface sliding connection of inserted bar (802) is in the inner wall of spacing groove (805).

7. The relay contact protection structure according to claim 6, wherein: the inner wall sliding connection of subassembly chamber (804) has gag lever post (807), the surface sliding connection of gag lever post (807) is in the inner wall of spacing hole (806), the surface fixedly connected with elastic component (808) of gag lever post (807), the one end fixedly connected with in the inner wall in subassembly chamber (804) of gag lever post (807) surface is kept away from to elastic component (808), the surface fixedly connected with hand piece (809) of gag lever post (807), the surface sliding connection of hand piece (809) is in the inner wall of slide (803).