CN213575701U

CN213575701U - Shuttle valve convenient to use

Info

Publication number: CN213575701U
Application number: CN202022344416.9U
Authority: CN
Inventors: 陆振宇
Original assignee: Wuxi Xuanhang Hydraulic Technology Co ltd
Current assignee: Wuxi Xuanhang Hydraulic Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-29
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a shuttle valve convenient to use relates to shuttle valve technical field, for solving the complicated and inconvenient problem of drive of current shuttle valve structure. The inside one side of valve body is provided with first guide way, the inside opposite side of valve body is provided with the second guide way, one side of first guide way is provided with first spout, one side of second guide way is provided with the second spout, the internally mounted of first guide way has first valve rod, the internally mounted of second guide way has the second valve rod, first valve rod and second valve rod all include the guide block, the one end of guide block is provided with the guide bar, and the inside of first spout of guide bar embedding and second spout, the outside of guide bar is provided with the spring, the outside of first spout and second spout all is provided with ring groove, and the one end and the ring groove fixed connection of spring, and the equal sliding connection of guide block and first guide way and second guide way.

Description

Shuttle valve convenient to use

Technical Field

The utility model relates to a shuttle valve technical field specifically is a shuttle valve convenient to use.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The direct-acting type and the pilot type are divided into a multi-purpose pilot type. The control method can be divided into manual, electric control and hydraulic control, the shuttle valve is mainly used for pressure comparison and selection functions in a hydraulic system, and the hydraulic shuttle valve belongs to a straight stroke valve and is a valve with a valve body and an actuator integrated into a whole. Its advantages are small size, easy installation and wide application.

However, the existing shuttle valve is complex in structure and inconvenient to drive, so that the existing requirement is not met, and a convenient shuttle valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shuttle valve convenient to use to solve the current shuttle valve structure that proposes among the above-mentioned background art complicacy and drive inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a shuttle valve convenient to use comprises a valve body, wherein a first guide groove is arranged on one side inside the valve body, a second guide groove is arranged on the other side in the valve body, a first sliding groove is arranged on one side of the first guide groove, a second sliding groove is arranged on one side of the second guide groove, a first valve rod is arranged in the first guide groove, a second valve rod is arranged in the second guide groove, the first valve rod and the second valve rod respectively comprise a guide block, one end of the guide block is provided with a guide rod, the guide rod is embedded into the first sliding groove and the second sliding groove, the outer side of the guide rod is provided with a spring, the outer sides of the first sliding groove and the second sliding groove are both provided with an annular clamping groove, and one end of the spring is fixedly connected with the annular clamping groove, the guide block is connected with the first guide groove and the second guide groove in a sliding mode, and the guide rod is connected with the first sliding groove and the second sliding groove in a sliding mode.

Preferably, one end of the valve body is provided with a first oil inlet, the other end of the valve body is provided with a second oil inlet, the lower end of the valve body is provided with an oil outlet, a first oil path is arranged between the first oil inlet and the oil outlet, and a second oil path is arranged between the second oil inlet and the oil outlet.

Preferably, a sealing slider is arranged between the first oil path and the second oil path, the sealing slider is in sliding connection with the first oil path and the second oil path, a first limiting block is arranged on the inner side of the first oil path, and a second limiting block is arranged on the inner side of the second oil path.

Preferably, the outer side of the guide block is provided with a rubber sealing layer, and the rubber sealing layer is connected with the guide block in a gluing mode.

Preferably, the first oil path is connected with the first limiting block in a welded mode, and the second oil path is connected with the second limiting block in a welded mode.

Preferably, the guide block and the guide rod are arranged into an integrally formed structure.

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

1. the utility model discloses a thrust of hydraulic oil when oil inlet oil feed drives the valve rod, when hydraulic oil is through first oil inlet oil feed, oil feed thrust promotes first valve rod and slides along first spout, the spring is compressed, the guide block of first valve rod slides along first guide way, open first oil circuit this moment, hydraulic oil gets into the inside of first oil circuit, oil feed thrust promotes sealing slide, make sealing slide along the oil circuit slide, the oil-out is opened this moment, hydraulic oil can be discharged through the oil-out, the same reason, when hydraulic oil is through second oil inlet oil feed, also can discharge through the oil-out, an oil-out is shared to two oil circuits, and whole shuttle valve simple structure, it is comparatively convenient to drive.

2. The utility model discloses an add the rubber sealing layer in the outside of guide block, can improve the leakproofness between guide block and the guide way when not influencing the guide block gliding, also improve the wearability of guide block simultaneously, the wearability of first valve rod and second valve rod promptly to the life of whole shuttle valve has been prolonged.

Drawings

Fig. 1 is a schematic structural view of a shuttle valve of the present invention;

fig. 2 is a schematic structural view of the first valve rod and the second valve rod of the present invention;

fig. 3 is a partial enlarged view of the region a of the present invention.

In the figure: 1. a valve body; 2. a first oil inlet; 3. a second oil inlet; 4. an oil outlet; 5. a first guide groove; 6. a second guide groove; 7. a first chute; 8. a second chute; 9. a first valve stem; 10. a second valve stem; 11. a guide block; 12. a guide bar; 13. a spring; 14. an annular neck; 15. a first oil passage; 16. a second oil passage; 17. sealing the sliding block; 18. a first stopper; 19. a second limiting block; 20. and a rubber sealing layer.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a shuttle valve convenient to use comprises a valve body 1, wherein a first guide groove 5 is arranged on one side inside the valve body 1, a second guide groove 6 is arranged on the other side inside the valve body 1, a first slide groove 7 is arranged on one side of the first guide groove 5, a second slide groove 8 is arranged on one side of the second guide groove 6, a first valve rod 9 is arranged inside the first guide groove 5, a second valve rod 10 is arranged inside the second guide groove 6, the first valve rod 9 and the second valve rod 10 both comprise guide blocks 11, one end of each guide block 11 is provided with a guide rod 12, the guide rods 12 are embedded into the first slide groove 7 and the second slide groove 8, the outer side of each guide rod 12 is provided with a spring 13, the outer sides of the first slide groove 7 and the second slide groove 8 are both provided with annular clamping grooves 14, one end of each spring 13 is fixedly connected with the annular clamping grooves 14, and the guide blocks 11 are both slidably connected with the first guide groove 5 and the second guide groove 6, and the guide rod 12 is connected with the first chute 7 and the second chute 8 in a sliding manner, when hydraulic oil enters from the first oil inlet 2, the oil inlet thrust pushes the first valve rod 9, the guide block 11 slides along the first guide groove 5, the guide rod 12 slides along the first chute 7, the spring 13 is compressed, at the moment, the first oil path 15 is in an open state, the hydraulic oil can enter the first oil path 15, when the hydraulic oil enters from the second oil inlet 3, the oil inlet thrust pushes the second valve rod 10, the guide block 11 slides along the second guide groove 6, the guide rod 12 slides along the second chute 8, the spring 13 is compressed, at the moment, the second oil path 16 is in an open state, the hydraulic oil can enter the second oil path 16, and the valve rod is driven by the thrust of the hydraulic oil entering from the oil inlet.

Further, one end of the valve body 1 is provided with a first oil inlet 2, the other end of the valve body 1 is provided with a second oil inlet 3, the lower end of the valve body 1 is provided with an oil outlet 4, a first oil path 15 is arranged between the first oil inlet 2 and the oil outlet 4, a second oil path 16 is arranged between the second oil inlet 3 and the oil outlet 4, and hydraulic oil can enter the first oil inlet 2 or the second oil path 16 and is finally discharged through the oil outlet 4.

Further, a sealing slider 17 is arranged between the first oil path 15 and the second oil path 16, the sealing slider 17 is connected with the first oil path 15 and the second oil path 16 in a sliding mode, a first limiting block 18 is arranged on the inner side of the first oil path 15, a second limiting block 19 is arranged on the inner side of the second oil path 16, the oil outlet 4 is opened and closed through sliding of the sealing slider 17, and the sealing slider 17 is limited by the first limiting block 18 and the second limiting block 19.

Further, the rubber sealing layer 20 is arranged on the outer side of the guide block 11, the rubber sealing layer 20 is connected with the guide block 11 in an adhesive mode, the sliding of the guide block 11 is not affected, meanwhile, the sealing performance between the guide block 11 and the guide groove is improved, meanwhile, the wear resistance of the guide block 11 is also improved, namely the wear resistance of the first valve rod 9 and the wear resistance of the second valve rod 10 are improved, and therefore the service life of the integral shuttle valve is prolonged.

Further, the first oil path 15 is connected with the first limiting block 18 in a welding mode, the second oil path 16 is connected with the second limiting block 19 in a welding mode, the welding connection is good in air tightness and water tightness, the structural rigidity is high, and the structural integrity is good.

Further, the guide block 11 and the guide rod 12 are integrally formed, so that the structure is simple, the mechanical strength is high, and the damage is not easy to occur.

The working principle is as follows: when the hydraulic oil pump is used, when hydraulic oil enters from the first oil inlet 2, the oil inlet thrust pushes the first valve rod 9, the guide block 11 slides along the first guide groove 5, the guide rod 12 slides along the first sliding groove 7, the spring 13 is compressed, the first oil path 15 is in an open state at the moment, the hydraulic oil can enter the first oil path 15, the oil inlet thrust of the hydraulic oil in the first oil path 15 pushes the sealing slide block 17 to enable the sealing slide block 17 to slide along the oil path, the oil outlet 4 is opened at the moment, the hydraulic oil can be discharged through the oil outlet 4, when the hydraulic oil enters from the second oil inlet 3, the oil inlet thrust pushes the second valve rod 10, the guide block 11 slides along the second guide groove 6, the guide rod 12 slides along the second sliding groove 8, the spring 13 is compressed, the second oil path 16 is in an open state at the moment, the hydraulic oil can enter the second oil path 16, the oil inlet thrust in the second oil path 16, make sealed slider 17 slide along the oil circuit, oil-out 4 is opened this moment, hydraulic oil can discharge through oil-out 4, thrust when oil inlet oil feed through hydraulic oil drives the valve rod, an oil-out 4 of first oil circuit 15 and second oil circuit 16 sharing, and whole shuttle valve simple structure, it is comparatively convenient to drive, owing to add rubber sealing layer 20 in the outside of guide block 11, can be when not influencing guide block 11 gliding, improve the leakproofness between guide block 11 and the guide way, the wearability of guide block 11 has also been improved simultaneously, the wearability of first valve rod 9 and second valve rod 10 promptly, thereby whole shuttle valve's life has been prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A shuttle valve convenient to use, includes valve body (1), its characterized in that: a first guide groove (5) is formed in one side of the interior of the valve body (1), a second guide groove (6) is formed in the other side of the interior of the valve body (1), a first sliding groove (7) is formed in one side of the first guide groove (5), a second sliding groove (8) is formed in one side of the second guide groove (6), a first valve rod (9) is installed in the first guide groove (5), a second valve rod (10) is installed in the second guide groove (6), the first valve rod (9) and the second valve rod (10) both comprise guide blocks (11), a guide rod (12) is arranged at one end of each guide block (11), the guide rod (12) is embedded into the first sliding groove (7) and the second sliding groove (8), a spring (13) is arranged on the outer side of each guide rod (12), and annular clamping grooves (14) are formed in the outer sides of the first sliding groove (7) and the second sliding groove (8), and one end of the spring (13) is fixedly connected with the annular clamping groove (14), the guide block (11) is in sliding connection with the first guide groove (5) and the second guide groove (6), and the guide rod (12) is in sliding connection with the first sliding groove (7) and the second sliding groove (8).

2. A shuttle valve for ready use according to claim 1 wherein: the oil valve is characterized in that a first oil inlet (2) is formed in one end of the valve body (1), a second oil inlet (3) is formed in the other end of the valve body (1), an oil outlet (4) is formed in the lower end of the valve body (1), a first oil path (15) is formed between the first oil inlet (2) and the oil outlet (4), and a second oil path (16) is formed between the second oil inlet (3) and the oil outlet (4).

3. A shuttle valve for ready use according to claim 2 wherein: a sealing slider (17) is arranged between the first oil way (15) and the second oil way (16), the sealing slider (17) is connected with the first oil way (15) and the second oil way (16) in a sliding mode, a first limiting block (18) is arranged on the inner side of the first oil way (15), and a second limiting block (19) is arranged on the inner side of the second oil way (16).

4. A shuttle valve for ready use according to claim 1 wherein: the outer side of the guide block (11) is provided with a rubber sealing layer (20), and the rubber sealing layer (20) is connected with the guide block (11) in a gluing mode.

5. A shuttle valve for ready use according to claim 3 wherein: the first oil path (15) is connected with a first limiting block (18) in a welding mode, and the second oil path (16) is connected with a second limiting block (19) in a welding mode.

6. A shuttle valve for ready use according to claim 1 wherein: the guide block (11) and the guide rod (12) are arranged to be of an integrally formed structure.