CN214368087U

CN214368087U - Solenoid valve that possesses signal feedback function

Info

Publication number: CN214368087U
Application number: CN202120652351.6U
Authority: CN
Inventors: 陈经业
Original assignee: Shanghai Bangeng Valve Manufacturing Co ltd
Current assignee: Shanghai Bangeng Valve Manufacturing Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-08
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a solenoid valve that possesses signal feedback function, its technical scheme main points are including the valve body, the case outside the valve body is worn out to one end, cup joint in the case and wear out the outer electromagnetic shell of valve body one end, fixed electromagnetic shell and with case elastic connection's attraction piece, be located the case both sides and be located the coil of electromagnetic shell and be located the controller that the electromagnetic shell is outer and be connected with the coil electricity, the one end threaded connection who attracts the piece to wear out the electromagnetic shell has the casing, be provided with in the casing and be connected with the controller electricity and be in the feedback line of normally open state, it makes the feedback line form the access state under the magnetic field that the coil produced to energize for the coil through the controller, the problem that prior art does not have the feedback signal function and the trouble appears and is difficult to be found out is solved.

Description

Solenoid valve that possesses signal feedback function

Technical Field

The utility model relates to a solenoid valve field, more specifically the solenoid valve that says so relates to a possesses signal feedback function.

Background

The electromagnetic valve is a stop valve which is automatically opened and closed by means of electromagnetic force, is mainly used as an automatic basic device for controlling objects, belongs to an actuating element, and can be used for regulating and controlling the direction, flow rate, speed and other parameters of media in an industrial control system, so that the electromagnetic valve is widely applied to various fields of production.

As shown in fig. 1, the existing solenoid valve does not have a signal feedback function, a plurality of solenoid valves are needed to control in a pipeline, if a coil of one solenoid valve is burnt out or water enters the inside of the solenoid valve to cause circuit damage and affect normal operation of the pipeline, a maintenance worker needs to sequentially check along the pipeline from one end of the pipeline to find the solenoid valve with a problem, so that the check is long in time consumption and high in labor cost, and therefore, a solenoid valve capable of feeding back a signal needs to be designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a can real-time feedback signal's solenoid valve.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electromagnetic valve that possesses signal feedback function, includes that valve body, one end wear out the outer case of valve body, cup joint in the case and wear out the outer electromagnetism shell of valve body one end, fixed electromagnetism shell and with case elastic connection's attraction piece, be located case both sides and be located the coil of electromagnetism shell and be located the controller that the electromagnetism shell was just connected with the coil electricity, the one end threaded connection who attracts the piece to wear out the electromagnetism shell has the casing, be provided with in the casing and be connected with the controller electricity and be in the feedback circuit of normally open state, make the feedback circuit form the access state under the magnetic field that the coil produced for coil circular telegram through the controller.

As a further improvement, the part cover that attracts the piece to stretch out the electromagnetism shell is equipped with the elasticity sealing washer, the elasticity sealing washer is spacing between casing and electromagnetism shell.

As a further improvement, the inverted trapezoidal ring groove with the opening width larger than the width of the bottom surface is arranged on the end surface of the electromagnetic shell, the elastic sealing ring is positioned on the end surface of the shell, and two side walls opposite to the inverted trapezoidal ring groove are laminated with the elastic sealing ring.

As a further improvement, the inverted trapezoidal ring groove is greater than the thickness of the elastic sealing ring, the opening width of the inverted trapezoidal ring groove is greater than the section width of the elastic sealing ring, and when the electromagnetic shell is inconsistent with the shell, the elastic sealing ring is located the inverted trapezoidal ring groove and is laminated with two side walls of the inverted trapezoidal ring groove.

As a further improvement of the present invention, the feedback circuit includes an indicator light, the indicator light is partially worn out of the casing and is located on the side wall of the casing.

The utility model has the advantages that: compared with the prior art that the electromagnetic valve without the signal feedback function can monitor whether the coil or the circuit is damaged and feed back in real time through the feedback circuit, so that a maintainer can find out a problematic electromagnetic valve from the pipeline at the first time, and the maintenance efficiency is improved; utilize the casing to replace the nut that prior art adopted to fix a position the attraction piece, so the design can improve the steadiness of attracting the piece and also provide the protection for feedback circuit simultaneously.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

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

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a valve body; 2. a valve core; 3. an electromagnetic housing; 4. a suction member; 5. a coil; 6. a controller; 7. a feedback line; 8. a housing; 9. an indicator light; 10. an elastic sealing ring; 11. an inverted trapezoidal ring groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 3, the electromagnetic valve with a signal feedback function of the present embodiment includes a valve body 1, a valve core 2 having one end penetrating out of the valve body 1, an electromagnetic shell 3 sleeved on the valve core 2 and penetrating out of one end of the valve body 1, an attraction piece 4 fixing the electromagnetic shell 3 and elastically connected to the valve core 2, coils 5 located at two sides of the valve core 2 and located in the electromagnetic shell 3, and a controller 6 located outside the electromagnetic shell 3 and electrically connected to the coils 5, wherein a spring is disposed between the valve core 2 and the attraction piece 4;

based on the prior art, a shell 8 is connected with one end of the attraction piece 4 penetrating out of the electromagnetic shell 3 through a thread, a feedback line 7 which is electrically connected with the controller 6 and is in a normally open state is arranged in the shell 8, the feedback line 7 comprises a magnetic field switch and a signal transmitter which are connected in series, in the normal use process, the controller 6 is started, the coil 5 is electrified and generates a magnetic field, the attraction piece 4 and the valve core 2 attract each other under the action of the magnetic field, the attraction piece 4 keeps static, the valve core 2 moves towards the attraction piece 4, the spring is compressed and deforms, the magnetic field switch is also closed under the action of the magnetic field, and the signal generator transmits a signal to the controller 6 or a master controller of the pipeline for monitoring; if the coil 5 is damaged and cannot generate a magnetic field, even if the controller 6 is started, the magnetic field switch cannot be closed, the signal transmitter cannot feed back a signal to the controller 6 or the master controller, and maintenance personnel can know which electromagnetic valve fails according to a monitoring picture of the master controller or know that the corresponding electromagnetic valve fails according to signal indication of the controller 6;

compared with the prior art, the electromagnetic valve without the signal feedback function can monitor whether the coil 5 or the circuit is damaged or not and feed back the damage in real time through the feedback circuit, so that maintenance personnel can find out the electromagnetic valve with problems from the pipeline at the first time, and the maintenance efficiency is improved; the casing 8 is used for positioning the suction piece 4 instead of a nut adopted in the prior art, and the design can improve the stability of the suction piece 4 and provide protection for the feedback circuit 7.

As a specific embodiment of the improvement, referring to fig. 2 to 3, the portion of the attraction piece 4 extending out of the electromagnetic shell 3 is sleeved with an elastic sealing ring 10, the elastic sealing ring 10 is sandwiched between the shell 8 and the electromagnetic shell 3, the elastic sealing ring 10 can reduce the abrasion of the end faces of the electromagnetic shell 3 and the shell 8 compared with a hard gasket, and meanwhile, the end faces of the electromagnetic shell 3 and the shell 8 can be tightly attached to the elastic sealing ring 10, so that good sealing performance is provided, and the phenomenon that external rainwater flows into the electromagnetic shell 3 through a gap to burn out a circuit is avoided.

As a specific embodiment of the improvement, referring to fig. 2 to 3, an inverted trapezoidal ring groove 11 having an opening width larger than a bottom width is formed on an end surface of the electromagnetic shell 3, the elastic sealing ring 10 is positioned on an end surface of the shell 8, a height of the inverted trapezoidal ring groove 11 is larger than a thickness of the elastic sealing ring 10, the opening width of the inverted trapezoidal ring groove 11 is larger than a cross-sectional width of the elastic sealing ring 10, lubricating oil is poured into the inverted trapezoidal ring groove 11, the shell 8 is rotated downward relative to the suction member 4, the elastic sealing ring 10 corresponds to the inverted trapezoidal ring groove 11 and gradually enters the inverted trapezoidal ring groove 11, the elastic sealing ring 10 pushes and presses the lubricating oil to both sides of the inverted trapezoidal ring groove 11, an area of the elastic sealing ring 10 wetted by the lubricating oil increases, as the shell 8 continues to move downward, both side walls of the inverted trapezoidal ring groove 11 are attached to the elastic sealing ring 10, and the position where the elastic sealing ring 10 is attached is lubricated, the shell 8 drives the elastic sealing ring 10 to rotate more conveniently relative to the inverted trapezoidal ring groove 11, the elastic sealing ring 10 can deform correspondingly, finally the shell 8 is abutted against the electromagnetic shell 3, and if the amount of lubricating oil is enough to overflow the inverted trapezoidal ring groove 11, the lubricating oil can be filled in a gap between the end faces of the shell 8 and the electromagnetic shell 3, so that the relative rotation of the shell 8 and the electromagnetic shell can be facilitated, and the sealing property can be improved; compared with the design that the end face of the electromagnetic shell 3 is flat and is attached to the elastic sealing ring 10, one sealing face is changed into two, and lubricating oil is contained between the elastic sealing ring 10 and the inverted trapezoidal ring groove 11 to form multiple sealing, so that the sealing performance is improved; the inverted trapezoidal ring groove 11 is designed to accommodate lubricating oil and facilitate lubrication of the elastic sealing ring 10, so that the friction coefficient between the elastic sealing ring 10 and the shell 8 is reduced, and abrasion of the elastic sealing ring 10 is reduced.

As an improved specific embodiment, referring to fig. 2, the feedback line 7 includes an indicator light 9, the indicator light 9 partially penetrates through the housing 8 and is located on a side wall of the housing 8, when the feedback line 7 is closed under the action of a magnetic field, the indicator light 9 emits light, if the controller 6 is in normal operation and the indicator light 9 does not emit light, the coil 5 or the internal circuit is damaged, the indicator light 9 is a red light convenient for eye recognition, the indicator light 9 is embedded in the housing 8 and is sealed therebetween, and the indicator light 9 is more intuitive than a signal transmitter and does not influence transmission signals due to interference of the magnetic field or other factors.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a solenoid valve that possesses signal feedback function, includes valve body (1), case (2) outside valve body (1) are worn out to one end, cup joint in case (2) and wear out outer electromagnetism shell (3) of valve body (1) one end, fixed electromagnetism shell (3) and with case (2) elastic connection attract piece (4), be located case (2) both sides and be located coil (5) of electromagnetism shell (3) and be located outside electromagnetism shell (3) and with controller (6) that coil (5) electricity is connected, its characterized in that: one end of the attraction piece (4) penetrating out of the electromagnetic shell (3) is connected with a shell (8) in a threaded mode, a feedback line (7) which is electrically connected with the controller (6) and is in a normally open state is arranged in the shell (8), and the coil (5) is electrified through the controller (6) to enable the feedback line (7) to form a path state under a magnetic field generated by the coil (5).

2. The solenoid valve with signal feedback function according to claim 1, characterized in that: the part of the attraction piece (4) extending out of the electromagnetic shell (3) is sleeved with an elastic sealing ring (10), and the elastic sealing ring (10) is limited between the shell (8) and the electromagnetic shell (3).

3. The solenoid valve with signal feedback function according to claim 2, characterized in that: set up on the terminal surface of electromagnetism shell (3) opening width and be greater than inverted trapezoid annular (11) of bottom surface width, elasticity sealing washer (10) are located the terminal surface of casing (8), two lateral walls that inverted trapezoid annular (11) are relative all laminate with elasticity sealing washer (10).

4. The solenoid valve with signal feedback function according to claim 3, characterized in that: the height of falling trapezoidal annular (11) is greater than the thickness of elasticity sealing washer (10), the opening width of falling trapezoidal annular (11) is greater than the cross-sectional width of elasticity sealing washer (10), and when electromagnetism shell (3) and casing (8) were inconsistent, elasticity sealing washer (10) were located fall trapezoidal annular (11) and with two lateral walls laminating of falling trapezoidal annular (11).

5. The solenoid valve with signal feedback function according to claim 1, 2, 3 or 4, wherein: the feedback circuit (7) comprises an indicator light (9), and the indicator light (9) partially penetrates out of the shell (8) and is located on the side wall of the shell (8).