CN212986217U - Electromagnetic self-locking closed type shutoff valve - Google Patents

Abstract

The utility model discloses an electromagnetic self-locking closed shutoff valve, which comprises a valve body, a valve seat and a valve cover, wherein a cylindrical cavity is formed in the valve body and penetrates through two ends of the valve body; the utility model relates to a stop valve technical field, this electromagnetism auto-lock closed stop valve adopts the connecting rod principle to open and close the valve as the power supply with the cylinder, and adopt the mode of rotation plane shutting to seal the valve, at the in-process of opening and closing, valve gap and disk seat are in the off-state always, there is not any wearing and tearing, the fluid has also been avoidd simultaneously and has been lost the scouring away of friction surface, the leakproofness and the life of valve have been strengthened, and be equipped with electromagnetism air-lock device, further strengthen leakproofness and stability for preventing that the cylinder can not the during operation produces the condition of leaking and open by mistake.

Description

Electromagnetic self-locking closed type shutoff valve

Technical Field

The utility model relates to a stop valve technical field specifically is an electromagnetism auto-lock closed stop valve.

Background

In view of the selection of the shutoff valve, a ball valve and a half ball valve are generally used in the prior art, because the structure of the ball valve can only rotate a switch, a sealing surface is easily worn in ash or slag for a long time, friction traces of wire drawing exist, the sealing surface can be leaked quickly, ash under pressure has strong washability, the whole ball valve can be brushed through in a short time, coal gas under pressure leaks, and safety is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an electromagnetism auto-lock closed stop valve has solved current background technical problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an electromagnetic self-locking closed shutoff valve comprises a valve body, a valve seat and a valve cover, wherein a cylindrical cavity is formed in the valve body and penetrates through two ends of the valve body;

the switch assembly includes: a valve shaft, a pair of shaft seats and a seal;

the two ends of the valve shaft are respectively provided with a pair of shaft seats which are embedded in the valve body, the axial direction of the valve shaft is vertical to the axial direction of the cylindrical cavity of the valve body, the valve shaft is movably arranged between the pair of shaft seats, one end of the valve shaft penetrates through the shaft seats and is exposed out of the valve body, the middle section of the valve shaft is provided with a sealing element, and the sealing element is sealed at the inner opening of the;

the motion latch assembly includes: the air cylinder, the swing arm and the electromagnetic air locking device;

the air cylinder is installed outside the valve body, one end of the swing arm is sleeved on one end, exposed out of the valve shaft, of the valve body, the other end of the swing arm is connected with the telescopic end of the air cylinder, the outer wall of the valve body is provided with an electromagnetic air locking device, and the electromagnetic air locking device is locked at one end, connected with the air cylinder, of the swing arm.

Preferably, the axial direction of the swing arm is perpendicular to the sealing plane of the sealing element.

Preferably, the initial state of the cylinder is a telescopic end recovery state.

Preferably, the size of the sealing plane of the sealing element is larger than the size of the inner through surface of the valve seat.

Preferably, a plurality of screws are fixedly connected between the valve seat and the valve body.

Preferably, a support is arranged outside the valve body, and a pin shaft is movably connected between the support and the fixed end of the air cylinder.

Advantageous effects

The utility model provides an electromagnetism auto-lock closed stop valve. The method has the following beneficial effects: the electromagnetic self-locking closed type shutoff valve adopts a connecting rod principle to open and close the valve by taking the cylinder as a power source, adopts a rotating plane locking mode to close the valve, and has the advantages that the valve cover and the valve seat are always in a separation state in the opening and closing processes, no abrasion is caused, the scouring loss of fluid to a friction surface is avoided, the sealing property and the service life of the valve are enhanced, and the electromagnetic air locking device is arranged to further enhance the sealing property and the stability for preventing the conditions of leakage and false opening when the cylinder cannot work.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of an electromagnetic self-locking closed shutoff valve in a top view.

Fig. 2 is a schematic sectional view of the electromagnetic self-locking closed shutoff valve according to the present invention.

Fig. 3 is a schematic diagram of the closed state structure of the electromagnetic self-locking closed shutoff valve of the present invention.

Fig. 4 is a schematic view of an open state structure of an electromagnetic self-locking closed shutoff valve according to the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a valve cover; 4. a cover plate; 5. a valve shaft; 6. a shaft seat; 7. a seal member; 8. a cylinder; 9. swinging arms; 10. an electromagnetic air lock device; 11. and (4) a bracket.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

Example (b): according to the attached figures 1-4 of the specification, the electromagnetic self-locking closed shutoff valve comprises a valve body 1, a valve seat 2 and a valve cover 3, wherein a cylindrical cavity is formed in the valve body 1 and penetrates through two ends of the valve body 1, the valve seat 2 is rigidly connected to one end of the valve body 1 and is communicated with the cylindrical cavity, the valve cover 3 extends out of the middle section of the valve body 1 in the axial direction perpendicular to the cylindrical cavity, a cover plate 4 is arranged on the valve cover 3 for sealing, a switch assembly is arranged in the valve body 1, an action locking assembly connected with the switch assembly is arranged outside the valve body 1, in the specific implementation process, the valve seat 2 is butted with one side of a pipeline, an opening at one end of the valve body 1 is butted with the other side of the pipeline, fluid flows out from one side of the opening of the valve body 1 through the valve seat 2, the cover plate 4 on the valve, thereby controlling the flow or the interception of the fluid;

as can be seen from fig. 1-4 of the specification, the switch assembly comprises: a valve shaft 5, a pair of shaft seats 6, and a seal 7, the connection and positional relationship of which are as follows;

the two ends of the valve shaft 5 are respectively provided with a pair of shaft seats 6 which are embedded in the valve body 1, the axial direction of the valve shaft 5 is vertical to the axial direction of the cylindrical cavity of the valve body 1, the valve shaft 5 is movably arranged between the pair of shaft seats 6, one end of the valve shaft 5 penetrates through the shaft seats 6 and is exposed out of the valve body 1, the middle section of the valve shaft 5 is provided with a sealing element 7, and the sealing element 7 is sealed at the inner opening;

as can be seen from fig. 1-4 of the specification, the motion blocking assembly comprises: the connection relation and the position relation of the cylinder 8, the swing arm 9 and the electromagnetic air locking device 10 are as follows;

the air cylinder 8 is arranged outside the valve body 1, one end of the swing arm 9 is sleeved on one end, exposed out of the valve shaft 5, of the valve body 1, the other end of the swing arm 9 is connected with the telescopic end of the air cylinder 8, the outer wall of the valve body 1 is provided with an electromagnetic air locking device 10, and the electromagnetic air locking device 10 is locked at one end, connected with the air cylinder 8, of the swing arm 9;

in the specific implementation process, in the initial state, the telescopic end of the cylinder 8 is in a contracted state, the telescopic end of the cylinder 8 locks one end of the swing arm 9, so that the swing arm 9 cannot move, and further the rotation state of the valve shaft 5 is locked, so that the sealing plane of the sealing element 7 seals the inner through hole of the valve seat 2 in a sealing manner, at the moment, the material is in a blocked state, when the valve needs to be opened, the telescopic end of the cylinder 8 extends out, so that the swing arm 9 is driven to rotate around the valve shaft 5, the valve shaft 5 rotates the valve shaft 5 by utilizing the principle of a connecting rod, the sealing plane of the sealing element 7 does not seal the inner through hole of the valve seat 2 any more, the material starts to circulate, the cylinder 8 is reset when the valve is closed, and the electromagnetic air locking device 10 is arranged on the valve body 1, the end part of the swing arm 9 in the reset state is locked, so as to avoid the, the electromagnetic lock device 10 is provided to automatically open when the shut-off valve is closed because the seal 7 is pushed open by the pressure of the pipe to cause a problem such as leakage.

Preferably, the axial direction of the swing arm 9 is perpendicular to the sealing plane of the sealing member 7, and the swing arm 9 and the sealing member 7 act as a support through the valve shaft 5, thereby achieving the effect of rotating and locking, and sealing the valve seat 2 at the initial position of the swing arm 9.

Preferably, the initial state of the cylinder 8 is a telescopic end recovery state, so that the valve body 1 is in a normally closed state.

Preferably, the size of the sealing plane of the sealing element 7 is larger than that of the inner through surface of the valve seat 2, so that the one-way limiting effect and the sealing enhancement effect are achieved.

Preferably, a plurality of screws are fixedly connected between the valve seat 2 and the valve body 1.

Preferably, a support 11 is further arranged outside the valve body 1, a pin shaft is movably connected between the support 11 and the fixed end of the cylinder 8, and the support 11 is used for fixing the cylinder 8 and can be installed outside the valve body 1 in a welding mode.

In summary, the electromagnetic self-locking closed type shutoff valve adopts the connecting rod principle to open and close the valve by taking the cylinder 8 as a power source, and adopts the rotating plane locking mode to close the valve, so that the friction loss between the valve core seal and the valve cover 3 when the valve is opened and closed by adopting a ball valve type structure is avoided, the scouring loss of fluid to the friction surface is avoided, the sealing property and the service life of the valve are enhanced, and the electromagnetic air locking device 10 is arranged to further enhance the sealing property and the safety for preventing the leakage and the false opening of the cylinder 8 when the cylinder cannot work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. An electromagnetic self-locking closed shutoff valve comprises a valve body (1), a valve seat (2) and a valve cover (3), and is characterized in that a cylindrical cavity is formed in the valve body (1) and penetrates through two ends of the valve body (1), the valve seat (2) is rigidly connected to one end of the valve body (1) and is communicated with the cylindrical cavity, the valve cover (3) extends out of the middle section of the valve body (1) in the direction vertical to the axial direction of the cylindrical cavity, a cover plate (4) is arranged on the valve cover (3) for sealing, a switch assembly is arranged in the valve body (1), and an action locking assembly connected with the switch assembly is arranged outside the valve body (1);

the switch assembly includes: a valve shaft (5), a pair of shaft seats (6) and a sealing element (7);

the two ends of the valve shaft (5) are respectively provided with a pair of shaft seats (6) which are embedded in the valve body (1), the axial direction of the valve shaft (5) is axially vertical to the cylindrical cavity of the valve body (1), the valve shaft (5) is movably arranged between the pair of shaft seats (6), one end of the valve shaft (5) penetrates through the shaft seats (6) and is exposed out of the valve body (1), the middle section of the valve shaft (5) is provided with a sealing element (7), and the sealing element (7) is sealed at the inner opening of the shaft seats (6);

the motion latch assembly includes: the air cylinder (8), the swing arm (9) and the electromagnetic air locking device (10);

the valve shaft (5) is located to cylinder (8) and is exposed in one end of valve body (1) outside cylinder (8) is installed, swing arm (9) pot head is located, the other end of swing arm (9) is connected with the flexible end of cylinder (8), be equipped with electromagnetism lock gas device (10) on valve body (1) outer wall, electromagnetism lock gas device (10) padlock is served in one that swing arm (9) and cylinder (8) are connected.

2. An electromagnetic self-locking hermetic shut-off valve according to claim 1, characterized in that the axis of the swing arm (9) is perpendicular to the sealing plane of the sealing member (7).

3. An electromagnetic self-locking closed shut-off valve according to claim 1, characterized in that the initial state of the cylinder (8) is a telescopic end recovery state.

4. An electromagnetic self-locking hermetic shut-off valve according to claim 2, characterized in that the size of the sealing plane of the sealing member (7) is larger than the size of the inner through face of the valve seat (2).

5. An electromagnetic self-locking closed shut-off valve according to claim 1, characterized in that a plurality of screws are provided between the valve seat (2) and the valve body (1).

6. The electromagnetic self-locking closed shutoff valve according to claim 1, characterized in that a support (11) is provided outside the valve body (1), and a pin shaft is provided between the support (11) and the fixed end of the cylinder (8).

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