CN211479953U

CN211479953U - Housing structure of direct current relay

Info

Publication number: CN211479953U
Application number: CN202020511682.3U
Authority: CN
Inventors: 刘书章; 付波; 杜展
Original assignee: Churod Electronics Wuhu Co ltd
Current assignee: Churod Electronics Wuhu Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-09-11
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a housing structure of a direct current relay, which comprises a relay shell and a relay, wherein one side of the relay shell is provided with an outlet end, the outlet end is hinged with a shell door, the upper part inside the relay shell is slidably connected with a guide sliding plate parallel to the bottom of the relay shell through two fixing parts, each fixing part comprises a fixing rod, a fixing locking block matched with the fixing rod and a fixing slide block fixed on the bottom end of the fixing rod, the left side and the right side of the upper end of the guide sliding plate are symmetrically provided with fixing chutes, the top end of the relay shell is correspondingly provided with a guide hole for the fixing rod to pass through, the bottom end of the relay shell is provided with a strip-shaped hole parallel to the fixing chute, one side of the bottom end of the guide sliding plate, which is close to the shell door, the relay that the accessible installation was fixed on the direction slide promotes outside the relay casing, easy operation, convenient maintenance.

Description

Housing structure of direct current relay

Technical Field

The utility model relates to a relay technical field specifically is a DC relay's housing structure.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

At present, in the relay use, in order to realize the protection to the relay, the outside of relay generally all is equipped with the housing, and the housing is in the same place with the fixed plate installation in the switch board. But establish at present that the front end of the housing outside the relay makes integrated into one piece with the lateral wall of housing, so, when the relay in the housing was overhauld to needs, need will install the whole dismantlement of housing on the fixed plate in the switch board, and will install the housing again after maintaining the relay on the fixed plate in the switch board to there is the inconvenient shortcoming of relay maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a DC relay's housing structure is in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a housing structure of a direct current relay comprises a relay shell and a relay, wherein an outlet end is arranged on one side of the relay shell, a shell door is hinged to the outlet end, a guide sliding plate parallel to the bottom of the relay shell is connected to the upper portion inside the relay shell in a sliding mode through two fixing pieces, each fixing piece comprises a fixing rod, a fixing locking block matched with the fixing rod and a fixing sliding block fixed to the bottom end of the fixing rod, fixing sliding grooves matched with the fixing sliding blocks are symmetrically formed in the left side and the right side of the upper end of the guide sliding plate, the cross sections of the fixing sliding grooves are of a concave structure, the fixing sliding grooves are perpendicular to the surface where a shell door is located, guide holes for the fixing rods to penetrate through are correspondingly formed in the top end of the relay shell, strip-shaped holes parallel to the fixing sliding grooves are formed in the bottom end of the relay shell, and a, and a relay is fixed on one side of the mounting plate close to the shell door.

Preferably, the relay housing, the mounting plate and the guide sliding plate are all made of insulating materials.

Preferably, the fixed rod and the fixed locking block are respectively and correspondingly provided with a threaded fixed column and a threaded fixed nut, and the top end of the fixed rod penetrates through the guide hole and is fixed on the relay shell through the fixed locking block.

Preferably, the left side and the right side of the guide sliding plate are both fixed with limit strips, each limit strip is in sliding connection with a corresponding limit groove arranged on the inner side wall of the relay shell, and the limit grooves are parallel to the fixed sliding grooves.

Preferably, a handle is fixed on one side of the guide sliding plate close to the shell door.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) in the utility model, the upper part inside the relay shell is connected with a guide sliding plate parallel to the bottom of the relay shell through two fixing parts in a sliding way, the fixing parts comprise a fixed rod, a fixed locking block matched with the fixed rod for use and a fixed sliding block fixed on the bottom end of the fixed rod, the fixed rod and the fixed locking block are respectively corresponding to a fixed column with threads and a fixed nut, the top end of the fixed rod passes through a guide hole and is fixed on the relay shell through the fixed locking block, and the fixed sliding block and the fixed sliding chute which are fixed on the fixed rod and are matched with the fixed sliding chute fix the guide sliding plate in the relay shell through the matching of the fixed rod and the fixed locking block, so as to prevent the relay from colliding with the relay shell in the transportation process, and the relay fixed on the guide sliding plate, the fixing mode is as follows: the fixed rod is pulled towards the notch at the upper end of the fixed sliding chute, so that the upper end surface of the fixed sliding block is abutted against the inner wall of the notch of the fixed sliding chute, and then the fixed locking block is rotated to fix the guide sliding plate in the relay shell, so that the relay is fixed; when needs maintain the relay, not hard up fixed locking piece drives fixed slider with the dead lever and descends to the notch inner wall separation that makes fixed slider up end and fixed spout, then with the hand pull the direction slide to one side at casing door place remove until the direction slide drives the relay and moves outside the relay casing, need not to get off the whole dismantlement of relay casing to make things convenient for the maintainer to overhaul the relay.

(2) The utility model discloses in the guiding hole that supplies the dead lever to pass is seted up in the top correspondence of relay casing, and the bottom of relay casing set up with the parallel bar hole of fixed spout, is outside the heat in order to produce the relay through the bar hole gives off the relay casing on the one hand, prevents that the relay from burning out the relay because of the too much heat that produces of during operation, and on the other hand is for passing with the wire that the relay is connected.

(3) The utility model discloses in the side all is fixed with spacing about the direction slide, and every spacing and corresponding the spacing groove sliding connection who sets up on relay casing internal side wall, and the spacing groove is parallel with fixed spout, when pulling the direction slide to the outside of relay casing exit end, under the cooperation of spacing and spacing groove for one side at horizontal direction casing door place is removed along the direction slide, prevents to take place to rock the phenomenon at removal in-process direction slide, has improved the stability of its removal.

(4) The utility model discloses a when the relay that removes the slider on with the mounting panel and be located the mounting panel removes to the relay casing outside, can directly maintain the relay, need not to dismantle the relay from the mounting panel, in the maintenance process moreover for the relay is on the mounting panel all the time, and the weight of relay is born by the mounting panel, thereby has alleviateed staff's work load and labour, and then has improved maintenance efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

fig. 5 is a schematic structural view of the guide slide plate.

In the figure: 1. a relay housing; 2. a relay; 3. a strip-shaped hole; 4. mounting a plate; 5. a guide hole; 6. fixing the rod; 7. a handle; 8. a guide slide plate; 9. fixing the locking block; 10. a limiting strip; 11. a limiting groove; 12. a housing door; 13. fixing the chute; 14. and fixing the sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a housing structure of a direct current relay comprises a relay shell 1 and a relay 2, wherein an outlet end is arranged on one side of the relay shell 1, a shell door 12 is hinged to the outlet end, the bottom end of the relay shell 1 is installed with a fixed plate in a power distribution cabinet, a guide sliding plate 8 parallel to the bottom of the relay shell 1 is connected to the upper portion of the inside of the relay shell 1 in a sliding mode through two fixing pieces, each fixing piece comprises a fixed rod 6, a fixed locking block 9 matched with the fixed rod 6 and a fixed sliding block 14 fixed to the bottom end of the fixed rod 6, fixed sliding grooves 13 matched with the fixed sliding blocks 14 are symmetrically formed in the left side and the right side of the upper end of the guide sliding plate 8, the thickness of each fixed sliding block 14 is smaller than the depth of each fixed sliding groove 13, the width of each fixed sliding block 14 is smaller than or equal to, fixed spout 13 is perpendicular with the face at casing door 12 place, the guiding hole 5 that supplies dead lever 6 to pass is seted up in the correspondence of relay casing 1's top, and relay casing 1's bottom seted up with the parallel bar hole 3 of fixed spout 13, on the one hand is outside distributing relay casing 1 for the heat that produces relay 2 through bar hole 3, prevent that relay 2 from leading to burning out relay 2 because of the heat that produces is too much at the during operation, on the other hand passes for the wire of being connected with relay 2, the bottom of direction slide 8 is close to the fixed mounting panel 4 parallel with casing door 12 in one side of casing door 12, and one side that mounting panel 4 is close to casing door 12 is fixed with relay 2.

Further, the relay housing 1, the mounting plate 4 and the guide sliding plate 8 are all made of insulating materials, and the insulating materials can be polyvinyl chloride or polyethylene materials.

Further, dead lever 6 and fixed locking piece 9 correspond respectively for taking screwed fixed column and fixation nut, and 6 tops of dead lever pass guiding hole 5 and fix on relay housing 1 through fixed locking piece 9, through dead lever 6 and the cooperation of fixed locking piece 9, thereby make fix on dead lever 6 and fix in relay housing 1 with fixed spout 13 looks adaptation's fixed slider 14 and fixed spout 13 slide 8 that leads, also be for preventing to collide with relay housing 1 at handling relay 2, fixed mode is: firstly, the guiding sliding plate 8 is positioned in the relay shell 1, at the moment, the fixed rod 6 is lifted towards the notch at the upper end of the fixed sliding chute 13, so that the upper end surface of the fixed sliding block 14 is abutted against the inner wall of the notch of the fixed sliding chute 13, then the guiding sliding plate 8 is fixed in the relay shell 1 by rotating the fixed locking block 9, when the relay 2 needs to be maintained, at the moment, the fixed locking block 9 is loosened to drive the fixed sliding block 14 to descend by the fixed rod 6 so that the upper end surface of the fixed sliding block 14 is separated from the inner wall of the notch of the fixed sliding chute 13, then the guiding sliding plate 8 is pulled by hand to move towards one side where the shell door 12 is positioned until the guiding sliding plate 8 drives the relay 2 to move outside the relay shell 1, the whole relay shell 1 does not need to be disassembled, so that a maintainer can conveniently maintain the relay 2, after the maintenance, then, the guide slide 8 is fixed again in the relay housing 1 by the fitting of the fixing lever 6 and the fixing lock piece 9.

Furthermore, the left side and the right side of the guide sliding plate 8 are both fixed with limiting strips 10, each limiting strip 10 is in sliding connection with a corresponding limiting groove 11 formed in the inner side wall of the relay housing 1, the limiting groove 11 is parallel to the fixed sliding groove 13, and when the guide sliding plate 8 is pulled to the outer side of the outlet end of the relay housing 1, the guide sliding plate 8 moves along one side of the horizontal housing door 12 under the matching of the limiting strips 10 and the limiting grooves 11.

Furthermore, a handle 7 is fixed on one side of the guide sliding plate 8 close to the shell door 12, so that a user can conveniently push and pull the guide sliding plate 8 through the handle 7.

The working principle is as follows: firstly, the relay 2 fixed on the guide sliding plate 8 through the mounting plate 4 is positioned in the relay shell 1, at the moment, the fixed rod 6 is lifted towards the notch at the upper end of the fixed sliding chute 13, so that the upper end surface of the fixed sliding block 14 is abutted against the inner wall of the notch of the fixed sliding chute 13, then the guide sliding plate 8 is fixed in the relay shell 1 by rotating the fixed locking block 9, thereby fixing the relay 2, when the relay 2 needs to be maintained, the fixed sliding block 14 is driven by the fixed rod 6 to descend by the loosened fixed locking block 9, so that the upper end surface of the fixed sliding block 14 is separated from the inner wall of the notch of the fixed sliding chute 13, then the guide sliding plate 8 is pulled by hand to move towards one side where the shell door 12 is positioned until the guide sliding plate 8 drives the relay 2 to move out of the relay shell 1, the whole relay shell 1 does not need to be dismounted, when the movable sliding block 8 moves the mounting plate 4 and the relay 2 on the mounting plate 4 to the outside of the relay housing 1, the relay 2 can be directly maintained without detaching the relay 2 from the mounting plate 4, the relay 2 is always on the mounting plate 4 in the maintenance process, and then the weight of the electric appliance 2 is borne by the mounting plate 4, so that the workload and labor force of workers are reduced, and further the maintenance efficiency is improved, after the maintenance is finished, the guide sliding plate 8 is pushed back to the initial position in the relay housing 1, then the guide sliding plate 8 is fixed in the relay housing 1 again through the matching of the fixed rod 6 and the fixed locking block 9, and meanwhile, the fixed sliding block 14 which is fixed on the fixed rod 6 and matched with the fixed sliding chute 13 and the fixed sliding chute 13 fix the guide sliding plate 8 in the relay housing 1 through the matching of the fixed rod 6 and the fixed locking block 9, also to prevent the relay 2 from colliding with the relay case 1 during transportation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a direct current relay's housing structure, includes relay housing (1) and relay (2), one side of relay housing (1) is equipped with the exit end, and the exit end articulates there is casing door (12), its characterized in that: the utility model discloses a relay casing, including relay casing (1), fixed slider (14) are fixed in fixed pole (6) bottom, fixed spout (13) with fixed slider (14) looks adaptation are seted up to the fixed locking piece (9) that use with dead lever (6) cooperation and fixed slider (14) on dead lever (6) bottom through two mounting sliding connection in the inside top of relay casing (1), and the mounting includes dead lever (6), and fixed locking piece (9) of dead lever (6) cooperation use and fix, fixed spout (13) are perpendicular with the face at casing door (12) place, pilot hole (5) that supply dead lever (6) to pass are seted up in correspondence in the top of relay casing (1), and the bottom of relay casing (1) is seted up bar hole (3) parallel with fixed spout (13), the bottom of guide slider (8) is close to one side of casing door (12) and is fixed and casing door (12) are flat The relay (2) is fixed on one side of the mounting plate (4) close to the shell door (12).

2. The cover structure of the direct current relay according to claim 1, characterized in that: the relay shell (1), the mounting plate (4) and the guide sliding plate (8) are all made of insulating materials.

3. The cover structure of the direct current relay according to claim 1, characterized in that: the fixing rod (6) and the fixing locking block (9) are respectively and correspondingly provided with a threaded fixing column and a threaded fixing nut, and the top end of the fixing rod (6) penetrates through the guide hole (5) and is fixed on the relay shell (1) through the fixing locking block (9).

4. The cover structure of the direct current relay according to claim 1, characterized in that: the left side and the right side of the guide sliding plate (8) are both fixed with limiting strips (10), and each limiting strip (10) is in sliding connection with a limiting groove (11) correspondingly formed in the inner side wall of the relay shell (1), and the limiting groove (11) is parallel to the fixed sliding groove (13).

5. The cover structure of the direct current relay according to claim 1, characterized in that: a handle (7) is fixed on one side of the guide sliding plate (8) close to the shell door (12).