CN211975967U - Self-sealing three-way valve - Google Patents

Abstract

The utility model discloses a three-way valve of self sealss, the water-saving valve comprises a valve body, there is the disk seat at the top of valve body through bolt threaded connection, the top fixedly connected with protective housing of disk seat, the inner chamber fixedly connected with servo motor of protective housing, servo motor's output shaft fixedly connected with threaded rod. The utility model discloses a servo motor's output shaft drives the threaded rod rotatory, two thread bush drive two valve plate downstream respectively when the threaded rod is rotatory, left valve plate is to first intercommunication mouth shutoff this moment, relative second intercommunication mouth opens and shuts, otherwise servo motor's output shaft reverse rotation, two valve plates can the up-motion, the valve plate on right side this moment is to second intercommunication mouth shutoff, first intercommunication mouth opens and shuts, it generally accomplishes opening and shutting through manual operation to have solved common three-way valve, manual operation is not only hard, and the speed of opening and shutting is slow, the problem of user's demand of satisfying that can not be fine.

Description

Self-sealing three-way valve

Technical Field

The utility model relates to the technical field of valves, specifically be a three-way valve of self sealss.

Background

The valves are control parts in a fluid conveying system, have functions of stopping, adjusting, guiding, stabilizing pressure, shunting or overflowing and pressure relief and the like, are used for valves of a fluid control system, and are quite various in variety and specification from the simplest stop valve to various valves used in an extremely complex automatic control system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self sealss three-way valve possesses the automatic advantage that opens and shuts, has solved common three-way valve and has generally accomplished through manually operation and open and shut, and manually operation is not only hard, and the speed of opening and shutting is slow moreover, can not be fine the problem of satisfying the user demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-way valve of self sealss, includes the valve body, there is the disk seat at the top of valve body through bolt threaded connection, the top fixedly connected with protective housing of disk seat, the inner chamber fixedly connected with servo motor of protective housing, servo motor's output shaft fixedly connected with threaded rod, the surface of threaded rod is from last to equal threaded connection down has the thread bush, one side fixedly connected with gangbar of thread bush, one side fixedly connected with valve plate of thread bush is kept away from to the gangbar.

Preferably, the limiting groove has all been seted up to the both sides of valve body inner chamber, the inner chamber sliding connection of limiting groove has the stopper, one side that the limiting groove inner chamber was kept away from to the stopper respectively with two valve plate fixed connection.

Preferably, the inner cavity of the valve body is provided with a positioning groove, the inner cavity of the positioning groove is movably connected with a positioning block, and one side of the positioning block, which is far away from the inner cavity of the positioning groove, is fixedly connected with the two valve plates respectively.

Preferably, the left side of valve body is first intercommunication mouth, the right side of valve body is the second intercommunication mouth, the bottom of valve body is the access mouth.

Preferably, the number of valve plates is two, and two valve plates are crisscross the form setting.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a servo motor's output shaft drives the threaded rod rotatory, two thread bush drive two valve plate downstream respectively when the threaded rod is rotatory, left valve plate is to first intercommunication mouth shutoff this moment, relative second intercommunication mouth opens and shuts, otherwise servo motor's output shaft reverse rotation, two valve plates can the up-motion, the valve plate on right side this moment is to second intercommunication mouth shutoff, first intercommunication mouth opens and shuts, it generally accomplishes opening and shutting through manual operation to have solved common three-way valve, manual operation is not only hard, and the speed of opening and shutting is slow, the problem of user's demand of satisfying that can not be fine.

2. The utility model discloses a set up spacing groove and stopper, played the spacing effect to the valve plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top view of the limiting groove of the present invention;

fig. 3 is the side view structure schematic diagram of the valve plate of the utility model.

In the figure: 1. a valve body; 2. a valve seat; 3. a protective shell; 4. a servo motor; 5. a threaded rod; 6. a threaded sleeve; 7. a linkage rod; 8. a valve plate; 9. a limiting groove; 10. a limiting block; 11. positioning blocks; 12. and (6) positioning a groove.

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.

The utility model discloses a valve body 1, disk seat 2, protective housing 3, servo motor 4, threaded rod 5, thread bush 6, gangbar 7, valve plate 8, spacing groove 9, stopper 10, locating piece 11 and constant head tank 12 part are the parts that universal standard spare or field technician know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a self-sealing three-way valve comprises a valve body 1, a first communicating port is arranged on the left side of the valve body 1, a second communicating port is arranged on the right side of the valve body 1, an access port is arranged at the bottom of the valve body 1, a valve seat 2 is connected with the top of the valve body 1 through a bolt and a thread, a protective shell 3 is fixedly connected with the top of the valve seat 2, a servo motor 4 is fixedly connected with an inner cavity of the protective shell 3, a threaded rod 5 is fixedly connected with an output shaft of the servo motor 4, a thread sleeve 6 is uniformly and threadedly connected with the surface of the threaded rod 5 from top to bottom, a linkage rod 7 is fixedly connected with one side of the thread sleeve 6, valve plates 8 are fixedly connected with one side of the linkage rod 7 away from the thread sleeve 6, limiting grooves 9 are respectively arranged on two sides of the inner cavity of, the inner cavity of the valve body 1 is provided with a positioning groove 12, the inner cavity of the positioning groove 12 is movably connected with a positioning block 11, one side of the positioning block 11 far away from the inner cavity of the positioning groove 12 is respectively and fixedly connected with two valve plates 8, the number of the valve plates 8 is two, and the two valve plates 8 are arranged in a staggered manner, the output shaft through servo motor 4 drives threaded rod 5 rotatory, two thread bush 6 drive two valve plate 8 downstream respectively when threaded rod 5 is rotatory, left valve plate 8 is to first intercommunication mouth shutoff this moment, relative second intercommunication mouth opens and shuts, on the contrary servo motor 4's output shaft counter-rotation, two valve plate 8 can the up-motion, valve plate 8 on right side this moment is to second intercommunication mouth shutoff, first intercommunication mouth opens and shuts, it generally accomplishes opening and shutting through manual operation to have solved common three-way valve, manual operation is not only hard, and the speed of opening and shutting is slow, the problem of satisfying the user demand that can not be fine.

During the use, start above-mentioned electrical element through the peripheral hardware controller, it is rotatory to drive threaded rod 5 through servo motor 4's output shaft, and two thread bushings 6 drive two valve plates 8 downstream respectively when threaded rod 5 is rotatory, and left valve plate 8 is to first intercommunication mouth shutoff this moment, and relative second intercommunication mouth opens and shuts, and on the contrary servo motor 4's output shaft counter-rotation, two valve plates 8 can the upward movement, and the valve plate 8 on right side is to the shutoff of second intercommunication mouth this moment, and first intercommunication mouth opens and shuts.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

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 (5)

1. The utility model provides a three-way valve of self sealss, includes valve body (1), its characterized in that: the top of valve body (1) has disk seat (2) through bolt threaded connection, the top fixedly connected with protective housing (3) of disk seat (2), the inner chamber fixedly connected with servo motor (4) of protective housing (3), output shaft fixedly connected with threaded rod (5) of servo motor (4), the surface of threaded rod (5) is from last to equal threaded connection down has thread bush (6), one side fixedly connected with gangbar (7) of thread bush (6), one side fixedly connected with valve plate (8) of thread bush (6) are kept away from in gangbar (7).

2. A self-sealing three-way valve according to claim 1, wherein: limiting grooves (9) are formed in the two sides of the inner cavity of the valve body (1), limiting blocks (10) are connected to the inner cavity of the limiting grooves (9) in a sliding mode, and one sides, away from the inner cavity of the limiting grooves (9), of the limiting blocks (10) are fixedly connected with the two valve plates (8) respectively.

3. A self-sealing three-way valve according to claim 1, wherein: constant head tank (12) have been seted up to the inner chamber of valve body (1), the inner chamber swing joint of constant head tank (12) has locating piece (11), one side that constant head tank (12) inner chamber was kept away from in locating piece (11) respectively with two valve plate (8) fixed connection.

4. A self-sealing three-way valve according to claim 1, wherein: the left side of valve body (1) is first intercommunication mouth, the right side of valve body (1) is the second intercommunication mouth, the bottom of valve body (1) is for inserting the mouth.

5. A self-sealing three-way valve according to claim 1, wherein: the number of valve plates (8) is two, and two valve plates (8) are the setting of crisscross form.

Images