CN211265358U

CN211265358U - Novel electromagnetic relay shell

Info

Publication number: CN211265358U
Application number: CN201921899484.2U
Authority: CN
Inventors: 李志秀
Original assignee: Zunyi Yuwanfa Machinery Manufacturing Co ltd
Current assignee: Zunyi Yuwanfa Machinery Manufacturing Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-14
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a novel electromagnetic relay shell, which belongs to the technical field of relays and comprises a base and a shell with an opening at the top end, wherein the base is arranged in the shell, the top end of the shell is provided with an upper cover, the lower end in the shell is provided with a cavity, the upper end of the cavity is provided with a clamping component, the clamping component is internally provided with a base, a bar-shaped reinforcing rib is arranged in the base, two sides of the shell are provided with heat dissipation fences, the upper end part of the shell is provided with a plurality of wiring end holes, the wiring end holes are internally provided with press rivet nuts, and the upper end of the shell is provided with a threaded; the utility model discloses simple manufacture, reasonable in design, the heat dissipation is good, and stability is strong, is difficult for receiving the influence of outside striking or other external force, improves electromagnetic relay's life, has solved present electromagnetic relay during operation shell and has sent out boiling hot, and insulating nature is poor, has the abnormal sound to lead to the problem of the unable normal work of electromagnetic relay.

Description

Novel electromagnetic relay shell

Technical Field

The utility model relates to a relay technical field specifically is a novel electromagnetic relay casing.

Background

The electromagnetic relay has both control system and controlled system, and is one kind of electronic control device, which is used in automatic control circuit normally, and has the working principle of controlling relatively small current and relatively low voltage.

The protection of current electromagnetic relay shell inner structure to armature motion range is not very perfect, the in-process of relay work, the up-and-down motion of rule is done for a long time to the armature head, especially when the environmental shock range of relay work is very big, armature is very probably swung left or right by a wide margin, lead to the relay to do not switch on easily, can lead to armature to break away from and make relay electrical property inefficacy when the outside violent vibrations, unable normal work, current electromagnetic relay service environment is complicated simultaneously, when outside liquid, when dust and piece get into relay inside, damage the relay easily, or when the relay suffers from external impact, the problem of very easily haring.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model provides a novel electromagnetic relay casing has solved present electromagnetic relay during operation shell and has sent out the boiling hot, and insulating nature is poor, has the abnormal sound to lead to the unable problem of normally working of electromagnetic relay.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a novel electromagnetic relay casing, includes base and top open-ended shell, the base is located in the shell, the shell top is equipped with the upper cover, the inside lower extreme of shell is equipped with the cavity, the cavity upper end is equipped with the screens component, be equipped with the base in the screens component, be equipped with the bar strengthening rib in the base, the shell both sides are equipped with the heat dissipation fence, the shell upper end is equipped with a plurality of wiring end holes, the downthehole nut that rivets that presses that is equipped with of wiring end, the shell upper end is equipped with the screw hole to be connected with the upper cover screw thread.

Further, screens component includes first screens board and second screens board, first screens board and second screens board set up relatively.

Furthermore, a filler strip is arranged on one side of the first clamping plate, a compression spring is arranged on the other side of the first clamping plate, and the compression spring is fixedly connected with the inner side wall of the shell.

Furthermore, second screens board one side is equipped with the filler strip, and the opposite side is equipped with compression spring, compression spring and shell inside wall fixed connection.

Further, the base includes base, coil fixed axle and mount pad, the mount pad is established on the coil fixed axle, the coil fixed axle is established on the base, the base inlays in the screens component.

Further, establish portable spacing groove on the mount pad, portable spacing inslot is equipped with electromagnetic component.

Further, the electromagnetism subassembly is equipped with the electromagnetism subassembly connecting wire, electromagnetism subassembly connecting wire one end is connected with the electromagnetism subassembly, and the other end passes the shell and locates outside the shell.

Furthermore, the electromagnetic component connecting wire end outside the shell is provided with a connecting piece, and the end of the connecting piece is provided with a plurality of binding posts or wiring grooves.

Further, the concave cavity is an accommodating cavity and is used for collecting dust generated when the electromagnetic relay works.

The utility model provides a novel electromagnetic relay casing possesses following beneficial effect:

the utility model, through the concave cavity arranged at the lower end in the shell, is convenient for collecting oxide dust generated during the work of the electromagnetic relay, and avoids the influence on the insulating property of the electromagnetic relay caused by the accumulation of the oxide dust on the base; the clamping component arranged at the upper end of the concave cavity effectively prevents the base from colliding with the shell to damage the electromagnetic relay component, so that the base is stabilized, and the phenomenon that the base swings left and right during working to influence the working stability of the electromagnetic relay is prevented; through the heat dissipation fences arranged on the two sides of the shell, air is convected, the electromagnetic relay is prevented from being damaged due to overheating, and the heat dissipation function of the electromagnetic relay during working is improved; the upper end part of the shell is provided with the plurality of wiring end holes, so that the working efficiency of the electromagnetic relay is improved conveniently, and the S-shaped press rivet nuts are arranged in the wiring end holes, so that the damage of threads in the wiring end holes during installation and connection can be effectively avoided, and the connection stability is improved; the utility model discloses simple manufacture, reasonable in design, the heat dissipation is good, and stability is strong, is difficult for receiving the influence of outside striking or other external force, improves electromagnetic relay's life, has solved present electromagnetic relay during operation shell and has sent out boiling hot, and insulating nature is poor, has the abnormal sound to lead to the problem of the unable normal work of electromagnetic relay.

Drawings

Fig. 1 is a schematic structural diagram of the electromagnetic relay casing of the present invention.

Fig. 2 is the schematic view of the sectional structure of the electromagnetic relay casing of the present invention.

Fig. 3 is the base structure schematic diagram of the electromagnetic relay casing of the present invention.

Fig. 4 is the structure diagram of the terminal hole of the electromagnetic relay casing of the present invention.

Fig. 5 is a schematic structural diagram of the clamping component of the electromagnetic relay casing of the present invention.

In the figure, 1-base, 2-shell, 3-upper cover, 4-cavity, 5-blocking component, 6-bar-shaped reinforcing rib, 7-heat dissipation fence, 8-wiring terminal hole, 9-rivet nut, 10-first blocking plate, 11-second blocking plate, 12-base, 13-coil fixing shaft, 14-mounting base, 15-electromagnetic component, 16-movable limiting groove, 17-electromagnetic component connecting wire, 18-connecting piece.

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.

As shown in fig. 1-5, the utility model provides a novel electromagnetic relay casing, including base 1 and open-topped shell 2, base 1 locates in shell 2, the top of shell 2 is equipped with upper cover 3, square through-hole has been seted up on upper cover 3, it is convenient for electromagnetic assembly connecting wire 17 to pass upper cover 3, locate outside shell 2, upper cover 3 adopts waterproof heat dissipation material, increase the heat dissipation function when electromagnetic relay works, four angles on the upper end of shell 2 are equipped with the screw hole respectively, upper cover 3 is through screw and shell 2 threaded connection; a concave cavity 4 is formed in the lower end of the inner part of the shell 2, the concave cavity 4 is an accommodating cavity and is used for collecting oxide dust generated when the electromagnetic relay works, and the phenomenon that the insulation performance of the electromagnetic relay is influenced due to the accumulation of the oxide dust on the base 1 is avoided; the upper end of the cavity 4 is provided with a clamping component 5, so that the damage to the electromagnetic relay component caused by collision between the base 1 and the shell 2 is avoided, the base 1 is stabilized, the left-right swinging of the base 1 during working is prevented, the working stability of the electromagnetic relay is not influenced, the fixing of the base 1 and the shell 2 can be realized, and the base 1 is prevented from easily falling off from the shell; the clamping component 5 comprises a first clamping plate 10 and a second clamping plate 11, the first clamping plate 10 and the second clamping plate 11 are arranged oppositely, so that the base 1 is firmly and stably installed, one side of the first clamping plate 10 is provided with a rubber filler strip, the other side of the first clamping plate is provided with a compression spring, and the compression spring is fixedly connected with the inner side wall of the shell 2; the rubber pad strip is arranged on one side of the second clamping plate 11, the compression spring is arranged on the other side of the second clamping plate 11, the compression spring is fixedly connected with the inner side wall of the shell 2, the rubber pad strips arranged on the first clamping plate 10 and the second clamping plate 11 are in contact with the base 12, a stabilizing effect is exerted on the base 12, the compression springs arranged on the first clamping plate 10 and the second clamping plate 11 are suitable for mounting and dismounting the bases 12 of various models, and meanwhile, the base 12 is prevented from swinging left and right when the electromagnetic relay works, so that the stability of the electromagnetic relay is influenced;

a base 1 is arranged in the clamping component 5, the base 1 comprises a base 12, a coil fixing shaft 13 and a mounting seat 14, the mounting seat 14 is arranged on the coil fixing shaft 13, the coil fixing shaft 13 is fixedly connected with the mounting seat 14 through a screw, the coil fixing shaft 13 is arranged on the base 12, the coil fixing shaft 13 and the base 12 are integrally arranged, and the base 12 is embedded in the clamping component 5; the base 1 is internally provided with a strip-shaped reinforcing rib 6, so that the mounting stability of the electromagnetic assembly 15 is improved, the two sides of the shell 2 are provided with heat dissipation fences 7, air convection is realized, the electromagnetic relay is prevented from being damaged due to overheating, the heat dissipation function of the electromagnetic relay during working is improved, the upper end part of the shell 2 is provided with a plurality of terminal holes 8, the working efficiency of the electromagnetic relay is improved conveniently, S-shaped press rivet nuts 9 are arranged in the terminal holes 8, the damage of internal threads of the terminal holes 8 during mounting and connecting is avoided, and the connecting stability is improved;

the press riveting nut 9 is also called a riveting nut, is a self-fastening nut, is applied to a thin plate or a metal plate, is circular in shape, and is provided with embossing teeth and a guide groove at one end; the principle is that the embossing teeth are pressed into the preset hole positions of the metal plate, generally, the aperture of the preset hole is slightly smaller than the embossing teeth of the rivet pressing nut 9, the embossing teeth of the rivet pressing nut 9 are squeezed into the plate through pressure, the periphery of the preset hole generates plastic deformation, and a deformed object is squeezed into the guide groove, so that the locking effect is generated; the mounting seat 14 is provided with a sliding groove, the sliding groove is internally provided with a movable limiting groove 16, when the mounting seat is mounted, the electromagnetic assembly 15 is arranged in the movable limiting groove 16, the positioning is completed, the structure is simple, the mounting firmness of the electromagnetic assembly 15 is improved, and the assembly efficiency is improved; the electromagnetic assembly 15 is provided with an electromagnetic assembly connecting wire 17, one end of the electromagnetic assembly connecting wire 17 is connected with the electromagnetic assembly 15, and the other end of the electromagnetic assembly connecting wire 17 penetrates through the upper cover 3 and is arranged outside the shell; the outer electromagnetic component connecting wire 17 tip of shell 2 is equipped with connecting piece 18, the tip of connecting piece 18 is equipped with a plurality of terminals or wiring groove, connecting piece 18 realizes electromagnetic component connecting wire 17's quick connect and dismantlement.

The utility model discloses a protection scope is not limited to above-mentioned specific technical scheme that discloses, above only do the utility model discloses a preferred embodiment can not restrict with this the utility model discloses, all be the basis the utility model discloses a technical entity is to any slight modification, equivalent replacement and improvement that above specific technical scheme did, all should contain within the technical scheme's the protection scope.

Claims

1. The utility model provides a novel electromagnetic relay casing, includes base (1) and open-top's shell (2), base (1) is located in shell (2), shell (2) top is equipped with upper cover (3), characterized by: the inside lower extreme of shell (2) is equipped with cavity (4), cavity (4) upper end is equipped with screens component (5), be equipped with base (1) in screens component (5), be equipped with bar strengthening rib (6) in base (1), shell (2) both sides are equipped with heat dissipation fence (7), shell (2) upper end is equipped with a plurality of wiring end holes (8), be equipped with in wiring end hole (8) and press rivet nut (9), shell (2) upper end is equipped with the screw hole to with upper cover (3) threaded connection.

2. The novel electromagnetic relay housing of claim 1, wherein: screens component (5) include first screens board (10) and second screens board (11), first screens board (10) and second screens board (11) set up relatively.

3. The novel electromagnetic relay housing of claim 2, wherein: one side of the first clamping plate (10) is provided with a filler strip, the other side of the first clamping plate is provided with a compression spring, and the compression spring is fixedly connected with the inner side wall of the shell (2).

4. The novel electromagnetic relay housing of claim 2, wherein: one side of the second clamping plate (11) is provided with a filler strip, and the other side of the second clamping plate is provided with a compression spring which is fixedly connected with the inner side wall of the shell (2).

5. The novel electromagnetic relay housing of claim 1, wherein: the base (1) comprises a base (12), a coil fixing shaft (13) and a mounting seat (14), wherein the mounting seat (14) is arranged on the coil fixing shaft (13), the coil fixing shaft (13) is arranged on the base (12), and the base (12) is embedded in the clamping component (5).

6. The novel electromagnetic relay housing of claim 5, wherein: establish portable spacing groove (16) on mount pad (14), be equipped with electromagnetic component (15) in portable spacing groove (16).

7. The novel electromagnetic relay housing of claim 6, wherein: electromagnetic component (15) are equipped with electromagnetic component connecting wire (17), electromagnetic component connecting wire (17) one end is connected with electromagnetic component (15), and the other end passes shell (2) and locates outside the shell.

8. The novel electromagnetic relay housing of claim 7, wherein: the electromagnetic component connecting wire (17) end outside the shell (2) is provided with a connecting piece (18), and the end of the connecting piece (18) is provided with a plurality of wiring posts or wiring grooves.

9. The novel electromagnetic relay housing of claim 1, wherein: the concave cavity (4) is an accommodating cavity, and the concave cavity (4) is used for collecting dust generated when the electromagnetic relay works.