CN219626555U

CN219626555U - Relay base

Info

Publication number: CN219626555U
Application number: CN202321209150.4U
Authority: CN
Inventors: 林德松; 晋娜; 李培; 唐成江
Original assignee: Chengdu Huomusi Electric Co ltd
Current assignee: Chengdu Huomusi Electric Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-01
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to the technical field of relays, and provides a relay base, which comprises a base body and at least one fixing unit, wherein the base body is provided with a first side and a second side which are opposite; the fixing unit comprises a fixing belt and a fastening component, the fixing belt is provided with a first end and a second end which are opposite, the first end of the fixing belt is connected with the first side of the base body, the second end of the fixing belt extends to the second side of the base body after bypassing the top surface of the base body, the second end of the fixing belt is fixed with the second side of the base body through the fastening component, and an installation space is formed between the fixing belt and the top surface of the base body. According to the utility model, the coil module inserted onto the base body is fixed by additionally arranging the fixing unit consisting of the fixing belt and the fastening component, so that the stability of the coil module after being inserted onto the base body can be effectively improved, and the risk of loosening and even separating the coil module from the base body in the working process of the relay is reduced.

Description

Relay base

Technical Field

The utility model relates to the technical field of relays, in particular to a relay base.

Background

A relay is an electronically controlled device that is used in an automatic control circuit, and is essentially an "automatic switch" that can control a larger current or voltage with a smaller current or voltage. In general, relays can be classified into automatic relays and non-automatic relays according to different control modes, wherein the automatic relays are represented by electromagnetic relays, and the relays rely on a control electromagnetic principle to switch internal contacts between opening and closing, thereby realizing a switching function.

The existing electromagnetic relay is generally composed of a relay base for connection with an external load through a wire, and a coil module for generating a magnetic force in an energized state to open or close contacts inside thereof. Under normal conditions, corresponding pins are arranged on the coil module, plug interfaces matched with the pins of the coil module are arranged on the relay base, and when the relay base is actually assembled, the coil module and the relay base can be plugged and fixed by inserting the pins on the coil module into the corresponding plug interfaces on the relay base.

However, with the conventional electromagnetic relay, after the coil module is inserted into the corresponding plug-in port on the relay base through the pin, no corresponding fixing measure is available to further fix the coil module, so that when the working environment where the relay is located vibrates greatly and the mounting surface of the relay is a vertical plane, the situation that the coil module loosens or even separates from the relay base is easily caused, thereby affecting the reliability of the relay in actual working.

Disclosure of Invention

The utility model aims to provide a relay base, which at least solves the technical problem that a coil module of an existing electromagnetic relay cannot be further fixed after being inserted into the relay base.

The aim of the utility model is achieved by the following technical scheme:

a relay mount comprising a mount body having opposing first and second sides and at least one securing unit;

the fixing unit comprises a fixing belt and a fastening assembly, wherein the fixing belt is provided with a first end and a second end which are opposite, the first end of the fixing belt is connected with the first side of the base body, the second end of the fixing belt extends to the second side of the base body after bypassing the top surface of the base body, the second end of the fixing belt is fixed with the second side of the base body through the fastening assembly, and an installation space is formed between the fixing belt and the top surface of the base body.

In some possible embodiments, the fastening assembly includes a fastening slot, a limit, and at least one first fastener;

the fastening groove is formed in the second side of the base body, the limiting part is arranged in the fastening groove, a gap for the fixing belt to pass through is reserved between the inner side of the limiting part and the inner wall of the fastening groove, the fastening groove on the upper side and the lower side of the gap is of an opening structure, and the first fastening piece is arranged on the limiting part;

when the fixing strap passes through the gap, the first fastener can prop the fixing strap against the fastening groove.

In some possible embodiments, the outer wall of the fixing band is provided with anti-slip patterns.

In some possible embodiments, the number of the first fasteners is two, and the two first fasteners are symmetrically disposed on the limiting portion.

In some possible embodiments, the fastening groove has an inward concave arc-shaped structure.

In some possible embodiments, the first end of the fixing strap is provided with a fixing hole, and the first side of the base body is provided with a connecting hole matched with the fixing hole;

the fixing unit further comprises a second fastener which can pass through the fixing hole and be inserted into the connecting hole, and the second fastener is in threaded connection with the connecting hole.

In some possible embodiments, the number of the fixing units is two, and the two fixing units are symmetrically arranged along the length direction of the base body.

In some possible embodiments, the width of the fixing band is 2-4cm, and the fixing band is made of flexible insulating material.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

according to the utility model, the coil module inserted onto the base body is fixed by additionally arranging the fixing unit consisting of the fixing belt and the fastening component, so that the stability of the coil module after being inserted onto the base body can be effectively improved, and the risk of loosening and even separating the coil module from the base body in the working process of the relay is reduced.

Meanwhile, the fixing strap is used as a fixing piece, so that the fixing process of the coil module can be effectively simplified, and the coil module can be quickly fixed without the need of corresponding professional ability of related operators, so that the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a relay base provided by the present utility model;

FIG. 2 is a schematic view of the relay mount shown in FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of a fixing strap according to the present utility model;

FIG. 4 is an enlarged view of FIG. 2 at A;

FIG. 5 is a schematic view of a base body according to the present utility model;

fig. 6 is a schematic structural diagram of the coil module after being plugged onto the base body and fixed.

Icon: the device comprises a base body, a first side, a second side, a 10 c-connecting hole, a 20-fixing unit, a 21-fixing strap, a 21 a-first end, a 21 b-second end, a 21 c-fixing hole, a 22-fastening component, a 221-fastening groove, a 222-limiting part, a 223-first fastening piece, a 23-second fastening piece and a 100-coil module.

Detailed Description

Referring to fig. 1 to 6, the present embodiment provides a relay base, which at least solves the technical problem that the coil module 100 of the conventional electromagnetic relay cannot be further fixed after being plugged onto the base, and specifically, the relay base includes a base body 10.

In this embodiment, the base body 10 is used for combining with the coil module 100 to form a relay, wherein, in combination with the content shown in fig. 1 or fig. 2, the top surface of the base body 10 is provided with an insertion port adapted to the pins of the coil module 100, and the left and right sides of the base body 10 are provided with wire insertion ports for connecting wires, screws for locking wires, and the like.

In addition, as shown in fig. 1 and 2, the base body 10 further has a first side 10a and a second side 10b opposite to each other, and it should be noted that, for understanding the technical solution provided in the present embodiment, the present embodiment defines the front side of the base body 10 as the first side 10a, and correspondingly, the rear side of the base body 10 as the second side 10b.

On this basis, in order to realize further fixation of the coil module 100 after the coil module 100 is inserted into the socket on the top surface of the base body 10 through its own pins, the relay base provided in this embodiment further includes at least one fixing unit 20 for fixing the coil module 100.

Specifically, the fixing unit 20 includes a fixing strap 21 and a fastening assembly 22, wherein, as shown in fig. 3, the fixing strap 21 has opposite first and second ends 21a and 21b, at this time, as shown in fig. 1, the first end 21a of the fixing strap 21 is connected with the first side 10a of the base body 10, the second end 21b of the fixing strap 21 extends to the second side 10b of the base body 10 after bypassing the top surface of the base body 10, and as shown in fig. 2, the second end 21b of the fixing strap 21 is fixed with the second side 10b of the base body 10 by the fastening assembly 22, and when the fixing strap 21 bypasses the top surface of the base body 10, an installation space adapted to the coil module 100 is formed between the fixing strap 21 and the top surface of the base body 10.

Specifically, when the relay base is actually used, the fastening component 22 at the second end 21b of the fixing strap 21 is first removed to remove the fixing strap 21, at this time, the plugging port on the top surface of the base body 10 is completely exposed, and then the coil module 100 can be inserted into the plugging port corresponding to the top surface of the base body 10 through its own pins, so as to realize plugging and installation between the coil module 100 and the base body 10.

After the coil module 100 is installed in place, the second end 21b of the fixing strap 21 is wound around the top surface of the base body 10 and extends to the second side 10b of the base body 10, in this process, a certain pressure can be applied to the coil module 100 by using the fixing strap 21 by tightening the fixing strap 21, so that the coil module 100 is pressed onto the base body 10 by using the fixing strap 21, and then the second end 21b of the fixing strap 21 and the base body 10 can be fixedly connected by using the fastening assembly 22, so that the coil module 100 is effectively fixed, and the structure at this time is as shown in fig. 6.

Therefore, the coil module 100 inserted onto the base body 10 is fixed by adding the fixing unit 20 composed of the fixing belt 21 and the fastening assembly 22, so that the stability of the coil module 100 inserted onto the base body 10 can be effectively improved, and the risk of loosening and even separating the coil module 100 from the base body 10 in the working process of the relay is reduced. Meanwhile, the fixing strap 21 is used as a fixing piece, so that the fixing process of the coil module 100 can be effectively simplified, and the coil module 100 can be quickly fixed without the need of a related operator to have corresponding professional capability, so that the operation is simple and convenient.

It can be appreciated that, in order to further improve the reliability of the coil module 100 after being fixed, with continued reference to fig. 1 or fig. 2, the relay base provided in this embodiment is provided with two fixing units 20, and the two fixing units 20 are symmetrically arranged along the length direction of the base body 10, so as to realize that the coil module 100 is fixed by using the two fixing units 20 at the same time. Meanwhile, in order to increase the area of the fixing band 21 when it contacts the coil module 100 as much as possible and reduce the cost as much as possible, the width of the fixing band 21 in this embodiment is preferably 2-4cm, and the fixing band 21 is made of a flexible insulating material, so that the fixing band 21 has a certain stretch deformation capability, which is helpful to make the fixing band 21 apply a certain pressure to the coil module 100 by pulling and improve the safety after the fixing band 21 fixes the coil module 100.

In order to achieve the connection of the fixing strap 21 with the base body 10 after the second end 21b of the fixing strap 21 passes around the top surface of the base body 10 and extends to the second side 10b of the base body 10, the present embodiment provides a fastening assembly 22 with simple structure and good fixing effect, and specifically, the fastening assembly 22 includes a fastening slot 221, a limiting portion 222 and at least one first fastening member 223.

As shown in fig. 2 and fig. 4, the fastening groove 221 is formed on the second side 10b of the base body 10, the limiting portion 222 is disposed in the fastening groove 221, at this time, a gap for the fixing strap 21 to pass through is reserved between the inner side of the limiting portion 222 and the inner wall of the fastening groove 221, and the fastening grooves 221 on the upper and lower sides of the gap are both in an open structure, so that the fixing strap 21 passes through the gap between the limiting portion 222 and the fastening groove 221, at the same time, the first fastening member 223 is disposed on the limiting portion 222, and when the fixing strap 21 passes through the gap between the limiting portion 222 and the fastening groove 221, the first fastening member 223 can abut the fixing strap 21 in the fastening groove 221, and it is understood that the first fastening member 223 may be, but not limited to, a screw, and the screw is in threaded connection with the limiting portion 222.

Specifically, in actual use, when the coil module 100 is plugged onto the base body 10, and the second end 21b of the fixing strap 21 bypasses the top surface of the base body 10 to wrap the coil module 100, the second end 21b of the fixing strap 21 is first inserted into the gap between the limiting portion 222 and the fastening slot 221 from the opening on the upper side of the fastening slot 221, then the second end 21b of the fixing strap 21 is extended from the opening on the lower side of the fastening slot 221, after that, the fixing strap 21 can be tightened to compress the coil module 100 onto the base body 10 by the fixing strap 21, and finally the fixing strap 21 located in the gap between the limiting portion 222 and the fastening slot 221 is abutted by screwing the first fastener 223, so as to fix the fixing strap 21.

It can be appreciated that, in order to further improve the fixing effect when the fixing band 21 fixes the coil module 100, the outer wall of the fixing band 21 is provided with anti-slip patterns, so that the coil module 100 can be prevented from being easily slid when being compressed by the fixing band 21, the fixing effect of the coil module 100 is affected, and the fixing band 21 in the gap between the limiting portion 222 and the fastening groove 221 can be prevented from being easily slid after being fixed by the first fastener 223.

On this basis, the fastening groove 221 may be configured to have an inward concave arc structure, so as to increase the contact area between the fixing strap 21 and the inner wall of the fastening groove 221 when passing through the fastening groove 221, and at the same time, two first fasteners 223 symmetrically disposed may be disposed on the limiting portion 222, so that the fixing strap 21 located in the gap between the limiting portion 222 and the fastening groove 221 is simultaneously abutted by the two first fasteners 223, thereby improving the fixing effect on the fixing strap 21.

On the other hand, in order to avoid the necessity of further fixing the coil module 100 even in practical use, the fixing strap 21 is preferably provided in a detachable structure so as to remove the fixing strap 21 when further fixing of the coil module 100 is not necessary, in order to avoid the occupation of a part of the space by the fixing strap 21.

In order to achieve the detachment of the fixing strap 21, as shown in fig. 3, the first end 21a of the fixing strap 21 is provided with a fixing hole 21c, and correspondingly, as shown in fig. 5, the first side 10a of the base body 10 is provided with a connecting hole 10c adapted to the fixing hole 21c, at this time, in combination with the content shown in fig. 1, the fixing unit 20 further includes a second fastening member 23, which can pass through the fixing hole 21c and be inserted into the connecting hole 10c, preferably, the connecting hole 10c provided on the first side 10a of the base body 10 is a threaded hole, and the second fastening member 23 can be, but not limited to, a screw, and after the second fastening member 23 is inserted into the connecting hole 10c, the second fastening member 23 is in threaded connection with the connecting hole 10c, thereby helping to simplify the detachment process of the fixing strap 21.

That is, when further fixing of the coil module 100 is required, the first end 21a of the fixing strap 21 is connected to the first side 10a of the base body 10 by the second fastener 23, and then further fixing of the coil module 100 by the fixing strap 21 is performed by the aforementioned method. On the contrary, the fixing belt 21 can be taken away only by detaching the second fastening piece 23, and the operation is simple and convenient.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A relay mount comprising a mount body and at least one securing unit, the mount body having opposing first and second sides;

2. The relay mount of claim 1, wherein the fastening assembly comprises a fastening slot, a limit, and at least one first fastener;

3. Relay mount according to claim 1 or 2, characterized in that the outer wall of the fixing band is provided with anti-slip threads.

4. The relay mount of claim 2, wherein the number of the first fasteners is two, and the two first fasteners are symmetrically disposed on the limiting portion.

5. The relay mount of claim 2, wherein the fastening slot has an inwardly concave arcuate configuration.

6. The relay mount of claim 1, wherein the first end of the fixing strap is provided with a fixing hole, and the first side of the mount body is provided with a connecting hole adapted to the fixing hole;

7. The relay mount according to claim 1, wherein the number of the fixing units is two, and the two fixing units are symmetrically arranged along the length direction of the mount body.

8. The relay mount of claim 1, wherein the strap has a width of 2-4cm, and wherein the strap is made of a flexible insulating material.