CN213815989U - Installation stable form relay - Google Patents

Abstract

In the utility model discloses in the installation stable form relay, be used for the fixed between relay and the assembly casing through addding outer installation linking bridge, outer installation linking bridge includes the support main part and sets up left installation unit and right installation unit on the outer wall of this support main part both sides respectively, wherein, connect through a first turn-ups portion that is the setting of arc shape between left installation unit and the support main part, connect through a second turn-ups portion that is the setting of arc shape between right installation unit and the support main part, so the utility model discloses installation stable form relay raises the support main part through setting up left installation unit and right installation unit on the support main part, has avoided the utility model discloses installation stable form relay and assembly casing direct contact, has improved the radiating efficiency of relay greatly; meanwhile, through left installation unit and right installation unit as depending on, guaranteed the even atress of support main part, and then improved the utility model discloses installation stability type relay's installation stability.

Description

Installation stable form relay

Technical Field

The utility model belongs to the technical field of the relay, especially, relate to an installation stable form relay.

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. The relay is an automatic switch element with an isolation function, is widely applied to remote control, remote measurement, communication, automatic control, electromechanical integration and power electronic equipment, and is one of the most important control elements.

Among the prior art, the relay is fixed through base and assembly casing, and nevertheless the base is very poor with the installation stability of assembly casing, and the base atress is out of shape easily, and the base is in and assembly casing installation in addition, and area of contact between them is great, influences the radiating efficiency of relay.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an installation stable form relay aims at solving the relay among the prior art and fixes through base and assembly casing, and nevertheless the base is very poor with the installation stability of assembly casing to area of contact between them is great, influences the technical problem of the radiating efficiency of relay.

In order to achieve the above object, an embodiment of the present invention provides an installation stable type relay, which includes a base, a contact device, a magnetic circuit device, an external installation connection bracket, and an insulating cover; the magnetic circuit device is fixedly arranged on the upper surface of the outer mounting connecting bracket, the contact device is arranged on the base in a penetrating way, and one end of the contact device is electrically connected with the magnetic circuit device; the first end of the insulating cover is fixedly inserted into the base, and the second end of the insulating cover is attached to the outer mounting connecting support; the end part of the contact device and the magnetic circuit device are arranged in a space enclosed by the insulating cover, the base and the outer mounting and connecting bracket in a closed manner; the outer mounting connecting support comprises a support main body, and a left mounting unit and a right mounting unit which are respectively arranged on the outer walls of two sides of the support main body, wherein the left mounting unit is connected with the support main body through a first flanging part, and the right mounting unit is connected with the support main body through a second flanging part; the first flanging part and the second flanging part are both arranged in an arc shape.

Optionally, the left mounting unit comprises a first left mounting erbium and a second left mounting erbium which are arranged at the upper end and the lower end of the first flanging part; the right mounting unit comprises a first right mounting erbium and a second right mounting erbium, wherein the first right mounting erbium and the second right mounting erbium are arranged at the upper end and the lower end of the second flanging part.

Optionally, the first left-mounting erbium, the second left-mounting erbium, the first right-mounting erbium and the second right-mounting erbium are arranged in two rows and two columns on both side outer walls of the holder main body.

Optionally, the first left side installation erbium, the second left side installation erbium, the first right side installation erbium and the second right side installation erbium all have the same structure, and mounting holes have all been seted up at their middles, the mounting holes are rectangular holes, and the both sides minor face of this rectangular hole is the arc limit of outside bending of hole.

Optionally, the lower extreme of support main part offer be used for with the base is connected the connecting hole of usefulness, the upper end of support main part is offered and is used for the U type joint groove of joint usefulness, the connecting hole with U type joint groove is in same vertical on-line.

Optionally, the magnetic circuit device comprises an inductance coil, a strut, an armature, a spring and a movable contact spring sheet; the inductance coil and the support rod are adjacently arranged on the upper surface of the outer mounting connecting support, the armature is movably mounted at the top of the support rod, two ends of the spring are respectively connected with the tail end of the armature and the bottom of the support rod, and the tail end of the movable contact elastic sheet is fixedly mounted on the armature through an elastic sheet seat; the movable contact elastic sheet and the inductance coil are electrically connected with the contact device.

Optionally, the contact device includes a normally open stationary contact piece, a normally closed stationary contact piece, an intermediate contact piece, a left contact pin and a right contact pin, which are arranged on the base in a penetrating manner; the dynamic contact elastic sheet is arranged between the normally open static contact sheet and the normally closed static contact sheet, and two end pins of the middle contact sheet are respectively and electrically connected with the tail end of the dynamic contact elastic sheet; and the end pins of the left contact pin and the right contact pin are respectively and electrically connected with the coil output line of the inductance coil.

Optionally, the upper and lower surfaces of the front end of the movable contact elastic sheet are provided with driving contact bumps, and the surfaces of the normally open static contact sheet and the normally closed static contact sheet facing the movable contact elastic sheet are provided with driven contact bumps.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the installation stable form relay have one of following technological effect at least: compared with the prior art, in the installation stable type relay of the utility model, the fixation between the relay and the assembly shell is realized by additionally arranging the outer installation connecting support, the outer installation connecting support comprises a support main body and a left installation unit and a right installation unit which are respectively arranged on the outer walls of the two sides of the support main body, wherein, the left installation unit is connected with the support main body through a first flanging part which is arranged in an arc shape, and the right installation unit is connected with the support main body through a second flanging part which is arranged in an arc shape, so the installation stable type relay of the utility model raises the support main body by arranging the left installation unit and the right installation unit on the support main body, thereby avoiding the direct contact between the installation stable type relay and the assembly shell and greatly improving the heat dissipation efficiency of the relay; meanwhile, through left installation unit and right installation unit as depending on, guaranteed the even atress of support main part, and then improved the utility model discloses installation stability type relay's installation stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a stable relay according to an embodiment of the present invention.

Fig. 2 is a bottom view of the installation stable type relay provided by the embodiment of the present invention.

Fig. 3 is a rear view of a stable relay according to an embodiment of the present invention.

Fig. 4 is an exploded schematic view of a stable relay according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100-base 200-contact device 210-normally open static contact piece

220-normally closed static contact piece 230-middle contact piece 240-left contact pin

250-right contact pin 260-driven contact salient point 300-magnetic circuit device

310-inductance coil 320-pole support 330-armature

340-spring 350-movable contact elastic sheet 351-active contact salient point

360-spring seat 400-outer mounting connecting support 410-support main body

411-connecting hole 412-U-shaped clamping groove 420-left mounting unit

421-first left mounting erbium 422-second left mounting erbium 430-right mounting unit

431-first right mounting erbium 432-second right mounting erbium 440-first flanging part

450-second flanging part 460-mounting hole 500-insulating cover

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, there is provided a mounting stable type relay, which includes a base 100, a contact device 200, a magnetic circuit device 300, an outer mounting connecting bracket 400 and an insulating cover 500; the magnetic circuit device 300 is fixedly arranged on the upper surface of the outer mounting connecting bracket 400, the contact device 200 is arranged on the base 100 in a penetrating way, and one end of the contact device 200 is electrically connected with the magnetic circuit device 300; a first end of the insulating cover 500 is fixedly inserted into the base 100, and a second end of the insulating cover 500 is attached to the outer mounting and connecting bracket 400; the end of the contact device 200 and the magnetic circuit device 300 are enclosed in the space enclosed by the insulating cover 500, the base 100 and the outer mounting connecting bracket 400; the external mounting connecting bracket 400 comprises a bracket main body 410, and a left mounting unit 420 and a right mounting unit 430 which are respectively arranged on the outer walls of the two sides of the bracket main body 410, wherein the left mounting unit 420 is connected with the bracket main body 410 through a first flanging part 440, and the right mounting unit 430 is connected with the bracket main body 410 through a second flanging part 450; the first and second burring parts 440 and 450 are both disposed in an arc shape.

The following further describes the installation stable relay provided in this embodiment: in the installation stable type relay of the present invention, the external installation connecting bracket 400 is additionally provided for fixing the relay and the assembly housing, the external installation connecting bracket 400 comprises a bracket main body 410, and a left installation unit 420 and a right installation unit 430 respectively arranged on the outer walls of the two sides of the bracket main body 410, wherein the left installation unit 420 is connected with the bracket main body 410 through a first flanging part 440 arranged in an arc shape, and the right installation unit 430 is connected with the bracket main body 410 through a second flanging part 450 arranged in an arc shape, so that the installation stable type relay of the present invention raises the bracket main body 410 by arranging the left installation unit 420 and the right installation unit 430 on the bracket main body 410, thereby preventing the installation stable type relay of the present invention from directly contacting the assembly housing, the heat dissipation efficiency of the relay is greatly improved; meanwhile, through left side installation unit 420 with right side installation unit 430 has guaranteed as depending on the even atress of support main part 410, and then has improved the utility model discloses the installation stability of installation stable form relay.

The first flanging part 440 and the second flanging part 450 are formed by bending and curling two side edges of the bracket body 410, and in order to ensure a supporting effect of the first flanging part 440 and the second flanging part 450, the flanging radian of the first flanging part 440 and the second flanging part 450 is 45 °.

In another embodiment of the present invention, as shown in fig. 2, the left mounting unit 420 in the installation-stable relay includes a first left mounting erbium 421 and a second left mounting erbium 422 disposed at upper and lower ends of the first flanging part 440; the right mounting unit 430 includes a first right mounting bait 431 and a second right mounting bait 432 provided at upper and lower ends of the second burring part 450.

Further, the first left mounting erbium 421, the second left mounting erbium 422, the first right mounting erbium 431 and the second right mounting erbium 432 are arranged in two rows and two columns on both side outer walls of the bracket body 410.

Furthermore, the first left mounting erbium 421, the second left mounting erbium 422, the first right mounting erbium 431 and the second right mounting erbium 432 have the same structure, the middle parts of the first left mounting erbium, the second left mounting erbium 422, the first right mounting erbium 431 and the second right mounting erbium 432 are all provided with mounting holes 460, the mounting holes 460 are rectangular holes, and the short sides of the two sides of each rectangular hole are arc-shaped sides bending outwards.

Specifically, in this embodiment, the first left mounting erbium 421, the second left mounting erbium 422, the first right mounting erbium 431 and the second right mounting erbium 432 are disposed on the outer walls of the two sides of the bracket body 410 in two rows and two columns, and the mounting holes 460 are disposed at the middle portions of the first left mounting erbium 421, the second left mounting erbium 422, the first right mounting erbium 431 and the second right mounting erbium 432, so that the fixing of the installation stable relay on the mounting case is completed only by inserting a plurality of bolts into the mounting holes 460 and fixing the bolts on the mounting case, and the installation is convenient and fast, and in addition, the four fixing points of the first left mounting erbium 421, the second left mounting erbium 422, the first right mounting erbium 431 and the second right mounting erbium 432 are utilized to fix the installation stable relay and the mounting case at the same time, so that the stability is better.

In another embodiment of the present invention, as shown in fig. 2, in the installation stable type relay, a connecting hole 411 for connecting with the base 100 is formed at a lower end of the bracket main body 410, a U-shaped clip groove 412 for clipping is formed at an upper end of the bracket main body 410, and the connecting hole 411 and the U-shaped clip groove 412 are located on the same vertical line. Specifically, in this embodiment, on the one hand through setting up connecting hole 411 strengthen support main part 410 with joint strength between the base 100, on the other hand through setting up U type joint groove 412 strengthens support main part 410 and the joint strength between the assembly casing, has both guaranteed from this the utility model discloses the stability of installation stable form relay self has guaranteed the stability of installation again.

In another embodiment of the present invention, as shown in fig. 4, the magnetic circuit device 300 in the installation-stable relay includes an inductance coil 310, a support rod 320, an armature 330, a spring 340, and a movable contact spring 350; the inductor 310 and the strut 320 are adjacently arranged on the upper surface of the outer mounting connecting bracket 400, the armature 330 is movably mounted on the top of the strut 320, two ends of the spring 340 are respectively connected with the tail end of the armature 330 and the bottom of the strut 320, and the tail end of the movable contact spring 350 is fixedly mounted on the armature 330 through a spring seat 360; the movable contact spring 350 and the inductance coil 310 are electrically connected to the contact device 200.

Further, as shown in fig. 3 and 4, the contact device 200 includes a normally open stationary contact piece 210, a normally closed stationary contact piece 220, an intermediate contact piece 230, a left contact pin 240 and a right contact pin 250, which are inserted through the base 100; the movable contact spring 350 is disposed between the normally open stationary contact piece 210 and the normally closed stationary contact piece 220, and two end pins of the intermediate contact piece 230 are electrically connected to the end of the movable contact spring 350; the terminal pins of the left contact pin 240 and the right contact pin 250 are electrically connected to the coil output lines of the inductor 310, respectively.

Further, as shown in fig. 4, the upper and lower surfaces of the front end of the movable contact spring 350 are provided with driving contact protrusions 351, and the surfaces of the normally open stationary contact piece 210 and the normally closed stationary contact piece 220 facing the movable contact spring 350 are provided with driven contact protrusions 260.

Specifically, in the present embodiment, the magnetic circuit device 300 and the contact device 200 cooperate with each other in the following working principle: the inductance coil 310 is energized, the inductance coil 310 generates magnetic force lines according to the right-hand spiral rule, the armature 330 made of ferromagnetic material is sucked down, the driving contact salient point 351 on the moving contact spring 350 is in contact with the driven contact salient point 260 on the normally closed static contact piece 220 under the driving of the armature 330, namely, the normally closed contact of the relay is closed, the normally open contact is opened, the closing process of the relay is completed, and at the moment, the spring 340 is lengthened to generate counter force and act on the armature 330. When the inductance coil 310 loses power, the magnetic force lines in the inductance coil 310 disappear instantly, the spring 340 pulls the armature 330 back to the original position, the driving contact salient point 351 on the movable contact spring 350 contacts with the driven contact salient point 260 on the normally open static contact piece 210, that is, the normally open contact of the relay is closed, and the normally closed contact is opened, so that the opening process of the relay is completed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A stable installation type relay comprises a base, a contact device, a magnetic circuit device, an external installation connecting support and an insulating cover; the method is characterized in that: the magnetic circuit device is fixedly arranged on the upper surface of the outer mounting connecting bracket, the contact device is arranged on the base in a penetrating way, and one end of the contact device is electrically connected with the magnetic circuit device; the first end of the insulating cover is fixedly inserted into the base, and the second end of the insulating cover is attached to the outer mounting connecting support; the end part of the contact device and the magnetic circuit device are arranged in a space enclosed by the insulating cover, the base and the outer mounting and connecting bracket in a closed manner; the outer mounting connecting support comprises a support main body, and a left mounting unit and a right mounting unit which are respectively arranged on the outer walls of two sides of the support main body, wherein the left mounting unit is connected with the support main body through a first flanging part, and the right mounting unit is connected with the support main body through a second flanging part; the first flanging part and the second flanging part are both arranged in an arc shape.

2. The installation-stable relay of claim 1, wherein: the left mounting unit comprises a first left mounting erbium and a second left mounting erbium, which are arranged at the upper end and the lower end of the first flanging part; the right mounting unit comprises a first right mounting erbium and a second right mounting erbium, wherein the first right mounting erbium and the second right mounting erbium are arranged at the upper end and the lower end of the second flanging part.

3. The installation-stable relay of claim 2, wherein: the first left mounting erbium, the second left mounting erbium, the first right mounting erbium and the second right mounting erbium are arranged on the outer walls of two sides of the bracket main body in two rows and two columns.

4. The installation-stable relay of claim 2, wherein: first left side installation erbium install the erbium on the left side of the second first right side installation erbium with the second right side installation erbium's structure is all the same, and the mounting hole has all been seted up at its middle part, the mounting hole is the rectangular hole, and the both sides minor face of this rectangular hole is the arc limit of outside bending of hole.

5. The installation-stable relay of claim 1, wherein: the lower extreme of support main part offer be used for with the base is connected the connecting hole of usefulness, the U type joint groove that is used for the joint usefulness is offered to the upper end of support main part, the connecting hole with U type joint groove is in same vertical on-line.

6. The installation-stable relay of any of claims 1-5, wherein: the magnetic circuit device comprises an inductance coil, a support rod, an armature, a spring and a movable contact elastic sheet; the inductance coil and the support rod are adjacently arranged on the upper surface of the outer mounting connecting support, the armature is movably mounted at the top of the support rod, two ends of the spring are respectively connected with the tail end of the armature and the bottom of the support rod, and the tail end of the movable contact elastic sheet is fixedly mounted on the armature through an elastic sheet seat; the movable contact elastic sheet and the inductance coil are electrically connected with the contact device.

7. The installation-stable relay of claim 6, wherein: the contact device comprises a normally open static contact piece, a normally closed static contact piece, a middle contact piece, a left contact pin and a right contact pin which are arranged on the base in a penetrating mode; the dynamic contact elastic sheet is arranged between the normally open static contact sheet and the normally closed static contact sheet, and two end pins of the middle contact sheet are respectively and electrically connected with the tail end of the dynamic contact elastic sheet; and the end pins of the left contact pin and the right contact pin are respectively and electrically connected with the coil output line of the inductance coil.

8. The installation-stable relay of claim 7, wherein: the upper surface and the lower surface of the front end of the movable contact elastic sheet are provided with driving contact salient points, and the normally open static contact sheet and the normally closed static contact sheet are provided with driven contact salient points towards one surface of the movable contact elastic sheet.

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