CN217301831U

CN217301831U - Electromagnetic cut-off valve capable of controlling on-off in non-electric mode

Info

Publication number: CN217301831U
Application number: CN202220854483.1U
Authority: CN
Inventors: 褚成张; 石祖峰; 刘亚文; 刘媛
Original assignee: Jinan Lanxin Electronic Equipment Co ltd
Current assignee: Jinan Lanxin Electronic Equipment Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-26
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a can be without electromagnetism trip valve of electrical control break-make, be in including valve body, setting inside disk seat and the valve head of valve body, fixedly connected with valve rod on the valve head, fixedly connected with valve gap on the valve body, fixedly connected with terrace on the valve cover, fixedly connected with frame on the terrace, the first bearing of fixedly connected with on the frame, the inner wall fixedly connected with pivot of first bearing, the helicla flute has been seted up to the outer wall of pivot, be provided with first sleeve in the valve rod, fixedly connected with guide block in the first sleeve, the guide block extends into in the helicla flute, the first hand wheel of fixedly connected with in the pivot. The utility model discloses, but possess the function that manually-actuated valve pole goes up and down, under the power failure condition, the break-make of trip valve can be controlled as usual, ensures that equipment can move, reduces the loss.

Description

Electromagnetic cut-off valve capable of controlling on-off in non-electric mode

Technical Field

The utility model relates to an electromagnetism trip valve, in particular to electromagnetism trip valve that can electroless control break-make.

Background

The fuel pipeline is provided with an electromagnetic cut-off valve, and when the pipeline needs to be closed emergently like a fire accident of the fuel pipeline, the fuel pipeline can be cut off rapidly, so that the situation is prevented from expanding.

As a chinese patent publication No. CN205806585U discloses an emergency cut-off valve of normal close formula electromagnetic type gas among the prior art, include valve body and the sealing component who is used for controlling the valve body to open and shut, be provided with the valve rod of connecting sealing component on the valve body, the cover is equipped with reset spring on the valve rod, reset spring's lower extreme is fixed on the valve body, and reset spring's upper end is fixed on the valve rod, sealing component's one of keeping away from of valve rod is served and is fixed with the activity iron core, activity iron core outside cover is equipped with the sleeve pipe, the cover is equipped with solenoid on the sleeve pipe, install in the sleeve pipe with solenoid complex movable iron core, and movable iron core is located the upper end of activity iron core, the gas solenoid valve still includes controller, drive circuit, holding circuit.

This application can be through solenoid control gas valve body that opens and shuts, can have the function of automatic shut-off valve, but still has following not enough: the power source of the electromagnetic cut-off valve is electricity, and once the power failure occurs, the on-off of the electromagnetic cut-off valve is difficult to control.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the electromagnetic cut-off valve can be switched on and off under the control of no electricity.

In order to solve the technical problem, the utility model provides a but electromagnetism trip valve of non-electrical control break-make, be in including valve body, setting inside disk seat and the valve head of valve body, fixedly connected with valve rod on the valve head, fixedly connected with valve gap on the valve body, fixedly connected with terrace on the valve cap, fixedly connected with frame on the terrace, the first bearing of fixedly connected with on the frame, the inner wall fixedly connected with pivot of first bearing, the helicla flute has been seted up to the outer wall of pivot, be provided with first sleeve in the valve rod, fixedly connected with guide block in the first sleeve, the guide block extends into in the helicla flute, the first hand wheel of fixedly connected with in the pivot.

Preferably, still include fixed iron core, move iron core and coil, fixed iron core fixed connection in on the step, move iron core fixed connection in on the valve rod and still be located the below of fixed iron core, the coil surrounds on the step.

Preferably, the valve further comprises a spring, one end of the spring abuts against the valve head, and the other end of the spring abuts against the valve cover.

Preferably, a second bearing is fixedly connected to the valve rod, and the inner wall of the second bearing is fixedly connected with the first sleeve.

Preferably, the outer wall of the valve rod is in threaded connection with a screw rod, the frame is provided with an elongated slot, and one end of the screw rod penetrates through the elongated slot and is fixedly connected with a second hand wheel.

Preferably, the lower part of the valve cover is fixedly connected with a second sleeve, and the inner wall of the second sleeve is in sliding connection with the valve head.

Preferably, the valve further comprises an air inlet, an air outlet and a valve hole, the air inlet is arranged on one side of the valve body, the air outlet is arranged on the other side of the valve body, the valve hole is located between the air inlet and the air outlet, and the valve seat is fixedly connected to the inner wall of the valve hole.

The utility model has the advantages that: the utility model discloses, under electromagnetic control state, but the lift of normal control valve head, in order to accomplish the function of break-make, at valve head lift in-process, the guide block offsets with the helicla flute, can make the relative valve rod of first sleeve rotatory, consequently under this state, the mechanism of this manual steerable break-make can not lead to the fact the interference to the electromagnetic control break-make, hinder, under the power failure state, support first sleeve through the screw rod, make first sleeve and valve rod relatively static, rotatory pivot again this moment, can drive the valve head and go up and down, the break-make of control trip valve as usual, ensure that equipment can move, and the loss is reduced.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of the cut-off valve of the present invention in a closed state;

FIG. 2 is a schematic view of a sectional structure of the shut-off valve of the present invention in a broken state;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the spiral groove of the present invention;

fig. 5 is a schematic structural diagram of the guide block of the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a valve head; 4. a valve stem; 5. a valve cover; 6. a step; 7. a frame; 8. a first bearing; 9. a rotating shaft; 10. a helical groove; 11. a first sleeve; 12. a guide block; 13. a first hand wheel; 14. fixing an iron core; 15. a movable iron core; 16. a coil; 17. a spring; 18. a second bearing; 19. a screw; 20. a long groove; 21. a second hand wheel; 22. a second sleeve; 23. an air inlet; 24. an air outlet; 25. valve hole.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all the directional indicators (such as upper, lower, left, right, front and rear … …) in the present invention are only used to explain the relative position relationship, motion condition, etc. of each component under a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed accordingly.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a can electromagnetism trip valve of non-electric control break-make, includes valve body 1, sets up at 1 inside disk seat 2 of valve body and valve head 3, fixedly connected with valve rod 4 on the valve head 3, and valve head 3 or valve rod 4 rise, and the trip valve leads to, and valve head 3 or valve rod 4 descend, and the trip valve is disconnected, and the mode of control trip valve break-make has two kinds, and one kind is electromagnetism, and another kind is manual.

The mode of manual control trip valve break-make is as follows:

the valve comprises a valve body 1, a valve cover 5 is fixedly connected to the valve body 1, a step 6 is fixedly connected to the valve cover 5, a frame 7 is fixedly connected to the step 6, a first bearing 8 is fixedly connected to the frame 7, a rotating shaft 9 is fixedly connected to the inner wall of the first bearing 8, the first bearing 8 can limit the rotating shaft 9 to rotate in a fixed shaft mode, a spiral groove 10 is formed in the outer wall of the rotating shaft 9, a first sleeve 11 is arranged in the valve rod 4, a guide block 12 is fixedly connected to the inner wall of the first sleeve 11, the guide block 12 extends into the spiral groove 10, a first hand wheel 13 is fixedly connected to the rotating shaft 9, the first sleeve 11 and the valve rod 4 are relatively static in a manual control state, the rotating shaft 9 rotates at the moment, the valve rod 4 can be driven to ascend and descend through the support of the guide block 12 and the spiral groove 10, therefore, on-off of a cut-off valve can be controlled normally under the condition of power failure, equipment can be ensured to operate, and loss is reduced.

The on-off mode of the electromagnetic control cut-off valve is as follows:

still include fixed iron core 14, movable iron core 15 and coil 16, fixed iron core 14 fixed connection is on step 6, movable iron core 15 fixed connection is on valve rod 4 and still be located the below of fixed iron core 14, and coil 16 surrounds on step 6, and movable iron core 15 and fixed iron core 14 are the part that produces the electromagnetic force in the solenoid valve, and fixed iron core 14 is fixed motionless, and fixed iron core 14 is behind coil 16 circular telegram, and along with magnetic force and movable iron core 15 attract each other, the trip valve is opened.

Still include spring 17, spring 17's one end offsets with valve head 3, and the other end offsets with valve gap 5, when movable iron core 15, decide iron core 14 to attract, overcomes spring 17's elasticity, and the two is close to each other, drives the valve rod 4 and rises, and the magnetism disappears after 16 deenergizations of coil, can make movable iron core 15 drive valve rod 4 and descend this moment because spring 17's elasticity, and the trip valve is closed, but through the break-make of electromagnetism quick control trip valve, be fit for going on under the circumstances that has the electricity.

The valve rod 4 is fixedly connected with a second bearing 18, the inner wall of the second bearing 18 is fixedly connected with the first sleeve 11, the second bearing 18 can limit the first sleeve 11 to do fixed-axis type rotation, the first sleeve 11 can be driven to rotate relative to the valve rod 4 through the propping of the guide block 12 and the spiral groove 10 under the on-off state of the electromagnetic control cut-off valve, namely when the valve rod 4 is lifted, the mechanism capable of manually controlling on-off cannot cause interference and obstruction to the on-off state of the electromagnetic control.

The outer wall of the valve rod 4 is in threaded connection with a screw rod 19, the frame 7 is provided with an elongated slot 20, one end of the screw rod 19 penetrates through the elongated slot 20 and is fixedly connected with a second hand wheel 21, in a manual on-off control state, when the rotating shaft 9 is prevented from rotating, the first sleeve 11 still rotates relative to the valve rod 4, the screw rod 19 is arranged to abut against the first sleeve 11, the first sleeve 11 and the valve rod 4 are kept relatively static, and therefore when the rotating shaft 9 is rotated again, the valve rod 4 can be driven to lift through the abutment of the guide block 12 and the spiral slot 10.

The lower part of the valve cover 5 is fixedly connected with a second sleeve 22, and the inner wall of the second sleeve 22 is slidably connected with the valve head 3, so that the valve head 3 can stably lift and slide in the second sleeve 22.

Still include air inlet 23, gas outlet 24 and valve opening 25, air inlet 23 sets up in one side of valve body 1, and gas outlet 24 sets up the opposite side at valve body 1, and valve opening 25 is located between air inlet 23 and the gas outlet 24, and valve seat 2 fixed connection is in the inner wall of valve opening 25, and valve head 3 offsets the cooperation with valve seat 2, can improve the sealing performance when cutting off.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The electromagnetic cut-off valve capable of being switched on and off under the condition of no electric control comprises a valve body (1), a valve seat (2) and a valve head (3) which are arranged inside the valve body (1), and is characterized in that a valve rod (4) is fixedly connected onto the valve head (3), a valve cover (5) is fixedly connected onto the valve body (1), a step (6) is fixedly connected onto the valve cover (5), a frame (7) is fixedly connected onto the step (6), a first bearing (8) is fixedly connected onto the frame (7), a rotating shaft (9) is fixedly connected onto the inner wall of the first bearing (8), a spiral groove (10) is formed in the outer wall of the rotating shaft (9), a first sleeve (11) is arranged in the valve rod (4), a guide block (12) is fixedly connected into the first sleeve (11), and the guide block (12) extends into the spiral groove (10), and a first hand wheel (13) is fixedly connected to the rotating shaft (9).

2. The electromagnetic cut-off valve capable of being switched on and off under the condition of no power control according to claim 1, characterized by further comprising a fixed iron core (14), a movable iron core (15) and a coil (16), wherein the fixed iron core (14) is fixedly connected to the step (6), the movable iron core (15) is fixedly connected to the valve rod (4) and is also positioned below the fixed iron core (14), and the coil (16) is surrounded on the step (6).

3. The electromagnetic cut-off valve capable of being switched on and off under the condition of no electric control according to claim 2, characterized by further comprising a spring (17), wherein one end of the spring (17) is abutted against the valve head (3), and the other end of the spring is abutted against the valve cover (5).

4. The electromagnetic shut-off valve capable of being switched on and off under the condition of no electric control according to claim 3, characterized in that a second bearing (18) is fixedly connected to the valve rod (4), and the inner wall of the second bearing (18) is fixedly connected with the first sleeve (11).

5. The electromagnetic cut-off valve capable of realizing the on-off control without electricity according to claim 4, characterized in that a screw rod (19) is connected to the outer wall of the valve rod (4) in a threaded manner, a long groove (20) is formed in the frame (7), and one end of the screw rod (19) penetrates through the long groove (20) and is fixedly connected with a second hand wheel (21).

6. The electromagnetic cut-off valve capable of being switched on and off under the condition of no electric control according to claim 1, characterized in that a second sleeve (22) is fixedly connected to the lower portion of the valve cover (5), and the inner wall of the second sleeve (22) is in sliding connection with the valve head (3).

7. The electromagnetic cut-off valve capable of being switched on and off under no electric control of claim 1, characterized by further comprising an air inlet (23), an air outlet (24) and a valve hole (25), wherein the air inlet (23) is arranged on one side of the valve body (1), the air outlet (24) is arranged on the other side of the valve body (1), the valve hole (25) is positioned between the air inlet (23) and the air outlet (24), and the valve seat (2) is fixedly connected to the inner wall of the valve hole (25).