CN214838761U - Two-position three-way pulse self-holding stop valve - Google Patents

Abstract

The utility model discloses a two tee bend pulse self-sustaining stop valves, the left side of lower cover is provided with the A mouth, the right of lower cover is provided with B mouth, C mouth, the inside interference fit fixedly connected with spring holder of lower cover, the inside sliding connection of spring holder has the axle sleeve subassembly, the axle sleeve subassembly includes rubber packing ring, axle sleeve, the fixed upper end that sets up at the axle sleeve of rubber packing ring, the inside spring that is provided with that runs through of axle sleeve, the cavity intercommunication at A mouth and spring place, the upper end fixedly connected with upper cover of lower cover, axle sleeve subassembly upper end is provided with piston assembly, the cavity intercommunication C mouth at second spring place, the B mouth is located piston assembly's side. The utility model discloses a piston rod sets up slides inside the disk seat subassembly, because the effect of spring force, inside spring is used for tentatively buffering, and outside second spring is used for under the condition of atmospheric pressure increase, steady buffering. When the piston is opened or closed, the impact can be effectively reduced.

Description

Two-position three-way pulse self-holding stop valve

Technical Field

The utility model relates to a valve technical field specifically is two tee bend pulse self-sustaining stop valves.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing. The structure length of stop valve is greater than the gate valve, and fluid resistance is big simultaneously, and long-term operation, sealing reliability is not strong. The stop valve is one of the most important cut-off valves, the pneumatic control stop valve has guiding significance particularly on the structural design of a valve sealing surface, and the reliability of the pneumatic control stop valve can be effectively improved due to the sealing property of a valve port switch position.

The pneumatic control stop valve in the prior art is unstable when being opened and closed, the valve core shakes, and the impact of opening and closing is overlarge, so that the stability of use is not high enough.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a two tee bend pulse self-sustaining stop valves has solved prior art's gas accuse stop valve, and is unstable when opening and closed, and the case rocks, opens closed impact too big, so the not high problem of the stationarity of using inadequately.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: two tee bend pulse self-sustaining stop valves, including spring holder, axle sleeve subassembly, disk seat subassembly, piston assembly, movable iron core subassembly, quiet iron core subassembly, solenoid, upper cover, exhaust hole, lower cover, the left side of lower cover is provided with A mouth, the right of lower cover is provided with B mouth, C mouth, the inside interference fit fixedly connected with spring holder of lower cover, the inside sliding connection of spring holder has the axle sleeve subassembly, the axle sleeve subassembly includes rubber packing ring, axle sleeve, second spring, rubber packing ring is fixed to be set up in the upper end of axle sleeve, the inside spring that runs through of axle sleeve is provided with, A mouth and the cavity intercommunication at spring place, the upper end fixedly connected with upper cover of lower cover, axle sleeve subassembly upper end is provided with piston assembly, the cavity intercommunication C mouth at second spring place, B mouth is located piston assembly's side, the inside of upper cover is provided with first gas circuit, the second gas circuit is connected with the C mouth, the second gas circuit is connected with the second gas circuit, and is connected with the lower cover, and is connected with the upper cover, and is connected with the cavity at the upper cover, and is connected with, The second gas circuit, first gas circuit and A mouth intercommunication, be provided with first through-hole, exhaust hole on the second gas circuit, two sets of solenoid are installed to the upper cover upper end, solenoid inside all installs and moves iron core subassembly, quiet iron core subassembly, move the lower extreme that the iron core subassembly set up at quiet iron core subassembly, first through-hole setting is under the iron core subassembly that moves on the left side, the exhaust hole sets up under the iron core subassembly that moves on the right.

Preferably, the second spring is sleeved outside one surface of the shaft sleeve opposite to the spring seat.

Preferably, a rubber buckle is embedded in the center of the lower end of the movable iron core assembly.

Preferably, the piston assembly comprises a mounting seat, the mounting seat is connected inside the lower cover in a threaded mode, an O-shaped ring is arranged at the static seal position where the lower cover is connected with the mounting seat, a piston rod is arranged in the center of the mounting seat in a sliding mode, and a piston is installed at the head of the piston rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a two tee bend pulse self-sustaining stop valves possesses following beneficial effect:

the utility model discloses a piston rod sets up slides in the disk seat subassembly is inside, is provided with two sets of springs simultaneously at the piston rod lower extreme, so piston motion's is steady relatively, and smoothness nature and continuity are good, and the impact is little. Because the effect of spring force, inside spring is used for preliminary buffering, and outside second spring is used for under the condition of atmospheric pressure increase, and steady buffering, when the piston opened or closed, the effectual impact that can reduce. The utility model discloses a gas accuse stop valve operating stability is good, the characteristic of opening and close is good, the free from extraneous sound.

Drawings

Fig. 1 is a schematic view of a first working state of the two-position three-way pulse self-holding stop valve of the present invention;

fig. 2 is a schematic view of a second working state of the two-position three-way pulse self-holding stop valve of the present invention;

fig. 3 is a schematic view of a third working state of the two-position three-way pulse self-holding stop valve of the present invention;

fig. 4 is a schematic view of the two-position three-way pulse self-holding stop valve of the present invention.

In the figure: the air spring comprises a spring seat (1), a shaft sleeve assembly (2), a valve seat assembly (3), a piston assembly (4), a movable iron core assembly (5), a static iron core assembly (6), an electromagnetic coil (7), an upper cover (8), an exhaust hole (9), a lower cover (10), a rubber gasket (201), a shaft sleeve (202), a spring (203), a second spring (204), a mounting seat (401), a piston rod (402), a piston (403), a first air passage (801), a second air passage (802) and a first through hole (803).

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.

Referring to fig. 1-4, the two-position three-way pulse self-holding stop valve includes a spring seat 1, a sleeve assembly 2, a valve seat assembly 3, a piston assembly 4, a movable iron core assembly 5, a stationary iron core assembly 6, an electromagnetic coil 7, an upper cover 8, an exhaust hole 9, and a lower cover 10, wherein a port a is disposed on the left side of the lower cover 10, a port B and a port C are disposed on the right side of the lower cover 10, the spring seat 1 is fixedly connected to the inside of the lower cover 10 in an interference fit manner, the sleeve assembly 2 is slidably connected to the inside of the spring seat 1, the sleeve assembly 2 includes a rubber gasket 201, a sleeve 202, and a second spring 204, the rubber gasket 201 is fixedly disposed at the upper end of the sleeve 202, a spring 203 is disposed inside the sleeve 202 in a penetrating manner, the port a is communicated with a cavity where the spring 203 is located, the upper cover 8 is fixedly connected to the upper end of the lower cover 10, the piston assembly 4 is disposed at the upper end of the sleeve assembly 2, the cavity at second spring 204 place intercommunication C mouth, the B mouth is located piston assembly 4's side, the inside of upper cover 8 is provided with first gas circuit 801, second gas circuit 802, first gas circuit 801 and A mouth intercommunication, be provided with first through-hole 803, exhaust hole 9 on the second gas circuit 802, two sets of solenoid 7 are installed to upper cover 8 upper end, solenoid 7 is inside all to be installed and to move iron core subassembly 5, quiet iron core subassembly 6, move the lower extreme that iron core subassembly 5 set up at quiet iron core subassembly 6, first through-hole 803 sets up under the iron core subassembly 5 that moves on the left side, exhaust hole 9 sets up under the iron core subassembly 5 that moves on the right.

Further, a second spring 204 is sleeved outside a surface of the shaft sleeve 202 opposite to the spring seat 1.

Furthermore, a rubber button is embedded in the center of the lower end of the movable iron core component 5.

Further, the piston assembly 4 includes a mounting seat 401, the mounting seat 401 is connected inside the lower cover 10 in a threaded manner, an O-ring is arranged at a static seal position where the lower cover 10 is connected with the mounting seat 401, a piston rod 402 is arranged in the center of the mounting seat 401 in a sliding manner, and a piston 403 is installed at the head of the piston rod 402.

Embodiment, the utility model discloses a normally open two tee bend pulse self-sustaining stop valve theory of operation as follows: when the device is used, the ports A and B are connected with a pipeline, the port A is connected with an air source, the port B is an outlet, and the port C is plugged by a rubber plug screw. Solenoid 7 circular telegram to control through simple button, solenoid 7 model is 002 solenoid, and the manufacturer is Jiangsu Faraday electrical technology ltd.

Firstly, as shown in fig. 3, the electromagnetic coils 7 on the left and right sides are in a power-off state; the air source of the air inlet of the port A is exhausted from the port B through a spring 203;

secondly, as shown in fig. 1, the left electromagnetic coil 7 is powered on, the piston 403 of the air source entering from the port A moves downwards under the action of air pressure through the first air path 801 and the second air path 802 in sequence, the air source from the port A to the port B is closed, the air source from the port B is closed, and the air pressure at the lower end of the left electromagnetic coil 7 rises; the air source at the port B is exhausted, the electromagnetic coil 7 at the left side is de-energized, and the exhaust state of the port B is kept unchanged; the piston rod 402 is arranged in the valve seat component 3 to slide, and meanwhile, two groups of springs are arranged at the lower end of the piston rod 402, so that the piston 403 moves relatively stably, fluency and continuity are good, and impact is small.

And thirdly, when the right electromagnetic coil 7 shown in fig. 2 is electrified, the exhaust hole 9 is opened, the second air passage 602 loses pressure, the piston 202 moves upwards under the action of the spring 203, the air source at the port A enters the port B, and when the right electromagnetic coil 7 loses electricity, the air source at the port A enters the port B and keeps unchanged.

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.

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 (4)

1. Two tee bend pulse self-sustaining stop valves, its characterized in that, including spring holder (1), axle sleeve subassembly (2), valve seat subassembly (3), piston assembly (4), move iron core subassembly (5), quiet iron core subassembly (6), solenoid (7), upper cover (8), exhaust hole (9), lower cover (10), the left side of lower cover (10) is provided with A mouth, the right side of lower cover (10) is provided with B mouth, C mouth, the inside interference fit fixedly connected with spring holder (1) of lower cover (10), the sliding connection of spring holder (1) inside has axle sleeve subassembly (2), axle sleeve subassembly (2) includes rubber packing ring (201), axle sleeve (202), second spring (204), rubber packing ring (201) is fixed to be set up in the upper end of axle sleeve (202), the inside of axle sleeve (202) is run through and is provided with spring (203), the port A is communicated with a cavity where the spring (203) is located, the upper end of the lower cover (10) is fixedly connected with an upper cover (8), the upper end of the shaft sleeve assembly (2) is provided with a piston assembly (4), the cavity where the second spring (204) is located is communicated with a port C, the port B is located on the side face of the piston assembly (4), a first air passage (801) and a second air passage (802) are arranged inside the upper cover (8), the first air passage (801) is communicated with the port A, a first through hole (803) and an exhaust hole (9) are arranged on the second air passage (802), two groups of electromagnetic coils (7) are installed at the upper end of the upper cover (8), a movable iron core assembly (5) and a static iron core assembly (6) are installed inside the electromagnetic coils (7), the movable iron core assembly (5) is arranged at the lower end of the static iron core assembly (6), and the first through hole (803) is arranged right below the movable iron core assembly (5) on the left side, the exhaust hole (9) is arranged right below the moving iron core component (5) on the right side.

2. The two-position three-way pulse self-holding stop valve according to claim 1, characterized in that: and a second spring (204) is sleeved outside one surface of the shaft sleeve (202) opposite to the spring seat (1).

3. The two-position three-way pulse self-holding stop valve according to claim 1, characterized in that: and a rubber buckle is embedded in the center of the lower end of the movable iron core component (5).

4. The two-position three-way pulse self-holding stop valve according to claim 1, characterized in that: piston assembly (4) are including mount pad (401), mount pad (401) threaded connection is inside lower cover (10), the position static seal that lower cover (10) and mount pad (401) are connected is provided with O type circle, mount pad (401) center slip is provided with piston rod (402), piston (403) are installed to piston rod (402) head.

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