CN211624245U

CN211624245U - Hydraulic control valve group

Info

Publication number: CN211624245U
Application number: CN202020145760.2U
Authority: CN
Inventors: 金宗林; 金繁荣
Original assignee: Jingjia Valve Group Co ltd
Current assignee: Jingjia Valve Group Co ltd
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-10-02
Anticipated expiration: 2030-01-23

Abstract

The utility model discloses a hydraulic control valve group, belonging to the technical field of pipeline valves, which comprises a gate valve, a hydraulic control valve and a quick-connecting piece; the technical scheme of the application is different from the traditional valve bank structure, and the gate valve and the hydraulic control valve are connected together in advance by adopting the quick connector, so that the dark turning construction period is greatly shortened when the valve bank is installed in actual engineering; in addition, the traditional flange connection mode is replaced by the unique quick connector, the casting processing technology of the traditional gate valve or hydraulic control valve is simplified, the flange structures at two ends do not need to be manufactured, and after the flange with larger size is removed, the installation space is saved, and the self weight is reduced.

Description

Hydraulic control valve group

Technical Field

The utility model belongs to the technical field of the pipeline valve technique and specifically relates to a hydraulic control valves is related to.

Background

In the prior art, a gate valve and a hydraulic control valve group are of a split structure, the gate valve and the hydraulic control valve are connected together through a flange bolt, the hydraulic control valve is set to be a required structure according to the characteristics of use functions and used for corresponding parts, the gate valve is used for cutting off and intercepting media, the hydraulic control valve plays a role in controlling media (controlling pressure, liquid level, pressure relief, flow and the like), and a shockproof expansion joint is used for absorbing pipeline vibration and automatically compensating the expansion function of a pipeline;

however, the split gate valve and the hydraulic control valve are of split structures, so that in the actual engineering installation process, the required installation space is increased, the installation is complex, and the engineering cost and the construction period are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic control valve group, which is different from the traditional valve group structure, and adopts a quick-connecting piece to connect a gate valve and a hydraulic control valve together in advance, thereby greatly shortening the dark-turning construction period when in actual engineering installation; in addition, the traditional flange connection mode is replaced by the unique quick connector, the casting processing technology of the traditional gate valve or hydraulic control valve is simplified, the flange structures at two ends do not need to be manufactured, and after the flange with larger size is removed, the installation space is saved, and the self weight is reduced.

In order to solve the technical problems of unchanged structure, large volume, heavy weight and inconvenient construction and installation of the hydraulic control valve bank in the prior art, the utility model provides a hydraulic control valve bank, which comprises a gate valve, a hydraulic control valve and a quick-connecting piece;

the gate valve comprises a first valve body, a first valve cover and an opening and closing part; a first flow channel is formed in the first valve body, a first valve seat is arranged in the first flow channel, and the first flow channel is divided into a first water inlet pipeline and a first water outlet pipeline by the first valve seat; a valve plate hole is formed in the side wall of the first valve body, which is opposite to the first valve seat; the first valve cover covers the valve plate hole; the opening and closing part comprises a hand wheel, a first valve rod and a valve plate, the inner end of the first valve rod sequentially penetrates through the first valve cover and the valve plate hole and is connected with the valve plate at the inner end, the outer end of the first valve rod is connected with the hand wheel, the valve plate is arranged on the first valve seat, and the valve plate is provided with a first valve seat or pressed on the first valve seat along with the rotation of the hand wheel;

the hydraulic control valve comprises a second valve body, a second valve cover and a regulating and controlling assembly; a second flow channel is formed in the second valve body, a second valve seat is arranged in the second flow channel, the second valve seat divides the flow channel into a second water inlet pipeline and a second water outlet pipeline, a regulating hole is formed in the side wall of the second valve body, which is opposite to the second valve seat, and the regulating hole is communicated with the second water outlet pipeline and the outer side of the second valve body; the second valve cover is buckled on the adjusting hole, and a guide pipe is arranged at the bottom of the second valve cover; the regulating and controlling assembly comprises a diaphragm, a second valve rod, a valve clack and a spring; the diaphragm covers the adjusting hole, and the periphery of the diaphragm is clamped between the second valve cover and the second valve body; one end of the second valve rod is inserted into the guide pipe, and the other end of the second valve rod sequentially penetrates through the diaphragm, the adjusting hole, the second water outlet pipeline and the second valve seat to extend into the second water inlet pipeline; the valve clack is sleeved on the second valve rod and plugged in the second valve seat, and the valve clack is arranged in the second water outlet pipeline; one end of the spring is sleeved on the guide pipe and abuts against the cover bottom of the second valve cover, and the other end of the spring abuts against the valve clack;

the quick connector comprises a connecting ring, an outer sleeve extends towards two ends of the outer ring of the connecting ring along the axial direction, an inner sleeve extends towards two ends of the inner ring of the connecting ring along the axial direction, threaded holes are uniformly distributed in the circumference of the end part of the outer sleeve and are radially formed, and a screw rod is connected in each threaded hole in a threaded manner; during the use, will first outlet conduit inserts between the interior sleeve pipe of go-between one end and the outer tube, until first outlet conduit tip backstop in the go-between terminal surface, will second inlet conduit inserts between the interior sleeve pipe of the go-between other end and the outer tube, until second inlet conduit tip backstop in the go-between terminal surface screws up the screw pole, until the screw pole supports tightly first outlet conduit with the second inlet conduit.

Further, the utility model provides a hydraulic control valve group, wherein, the outer circumference of first outlet conduit tip sets up first wedge face ring, the first wedge face ring and keep away from the one side of first outlet conduit terminal surface is first wedge face, first wedge face just faces the screw hole; after the first water outlet pipeline of the gate valve is inserted between the inner sleeve and the outer sleeve, the screw rod is screwed down, the threaded hole is further screwed down along with the screw rod, the chamfered edge at the inner end of the screw rod is firstly contacted with the first wedge-shaped surface, and the acting force borne by the first wedge-shaped surface can be divided into radial acting force and axial acting force in the direction of the end face of the first water outlet pipeline directed by the stress point, so that the first water outlet pipeline has the tendency of moving towards the end face of the connecting ring, and the connecting acting force between the first water outlet pipeline and the quick connector is also enhanced.

Further, the utility model provides a hydraulic control valve group, wherein, the outer circumference of second inlet pipe tip sets up second wedge face ring, the second wedge face ring and keep away from the one side of second inlet pipe terminal surface be the second wedge face, the second wedge face just faces the screw hole; the second inlet channel at hydraulic control valve inserts in, after between the outer tube, make and screw up the screw pole action, along with the screw pole further screws up the screw hole, the inner chamfer edge of screw pole contacts with the second wedge face first, the effort that the second wedge face born can divide into radial effort and by the axial effort of the directional second inlet channel terminal surface direction of stress point, consequently the trend of second inlet channel directional go-between terminal surface motion has also been strengthened second inlet channel and the connection effort between the quick-witted.

Further, the utility model provides a pair of hydraulic control valves, wherein, first sealed annular is all seted up at the both ends of go-between fill first sealing ring in the first sealed annular, be used for the go-between terminal surface with form sealedly between the first outlet conduit terminal surface, be used for simultaneously the go-between terminal surface with form sealedly between the second inlet conduit terminal surface.

Further, the utility model provides a pair of hydraulic control valves, when the medium striking endotheca pipe terminal surface in the runner, cause the kinetic energy loss easily, for this reason, interior sheathed tube internal diameter reduces by both ends to central point gradually, through this design for interior sleeve pipe tip area is enough little, has just so reduced the area of contact of medium with the terminal surface, has avoided the kinetic energy loss.

Further, the utility model provides a pair of hydraulic control valves, wherein, the sealed annular of second is seted up to the outer circumference of endotheca pipe tip the second sealing ring is filled in the sealed annular of second, is used for form sealedly between interior sleeve pipe outer anchor ring and the first outlet conduit inner anchor ring, be used for simultaneously form sealedly between interior sleeve pipe outer anchor ring and the second inlet conduit inner anchor ring.

The utility model relates to a hydraulic control valves compares with prior art and has following advantage: on one hand, the gate valve and the hydraulic control valve are connected in advance through the structural design, so that the effect of approximate integration is achieved, the gate valve and the hydraulic control valve are not required to be separately installed in engineering installation, and the installation time is reduced; on the other hand, the unique quick-connecting piece structure replaces the traditional flange structure, and the valve manufacturing process is simplified while the valve volume is reduced.

Drawings

Fig. 1 is a schematic structural view of a hydraulic control valve assembly of the present invention;

fig. 2 is a schematic view of a partial structure of a hydraulic control valve set of the present invention;

FIG. 3 is a schematic view of the alternate position configuration of FIG. 2;

FIG. 4 is a schematic view of a quick-connect component of a hydraulic control valve assembly according to the present invention;

fig. 5 is a cross-sectional view of a quick-connect component in a hydraulic control valve set of the present invention.

Wherein: 1. a gate valve; 2. a hydraulic control valve; 3. a quick connection part; 4. a first valve body; 5. a first valve cover; 6. an opening and closing member; 7. a first flow passage; 8. a first valve seat; 9. a first water inlet pipe; 10. a first outlet conduit; 11. a valve plate aperture; 12. a hand wheel; 13. a first valve stem; 14. a valve plate; 15. a second valve body; 16. a second valve cover; 17. a regulatory component; 18. a second flow passage; 19. a second valve seat; 20. a second water inlet pipe; 21. a second outlet conduit; 22. an adjustment hole; 23. a guide tube; 24. a membrane; 25. a second valve stem; 26. a valve flap; 27. a spring; 28. a connecting ring; 29. an outer sleeve; 30. an inner sleeve; 31. a threaded hole; 32. a screw shaft; 33. a first keystone ring; 34. a first wedge-shaped face; 35. a second keystone ring; 36. a second wedge-shaped face; 37. a first seal ring groove; 38. a first seal ring; 39. a second seal ring groove; 40. a second seal ring.

Detailed Description

The technical solution 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 of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

it should be noted that, in the description of the present invention, it should be noted that the terms "inner", "outer", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the present embodiment provides a hydraulic control valve set, which includes a gate valve 1, a hydraulic control valve 2, and a quick connector 3;

the gate valve comprises a gate valve 1, wherein the gate valve 1 comprises a first valve body 4, a first valve cover 5 and an opening and closing part 6; a first flow channel 7 is formed in the first valve body 4, a first valve seat 8 is arranged in the first flow channel 7, and the first flow channel 7 is divided into a first water inlet pipeline 9 and a first water outlet pipeline 10 by the first valve seat 8; a valve plate hole 11 is formed in the side wall of the first valve body 4, which is opposite to the first valve seat 8; the first valve cover 5 covers the valve plate hole 11; the opening and closing component 6 comprises a hand wheel 12, a first valve rod 13 and a valve plate 14, the inner end of the first valve rod 13 sequentially penetrates through the first valve cover 5 and the valve plate hole 11 and is connected with the valve plate 14 at the inner end, the outer end of the first valve rod 13 is connected with the hand wheel 12, the valve plate 14 is arranged on the first valve seat 8, and the valve plate 14 is driven away from the first valve seat 8 or pressed on the first valve seat 8 along with the rotation of the hand wheel 12;

the hydraulic control valve 2 comprises a second valve body 15, a second valve cover 16 and a regulating component 17; a second flow channel 18 is formed in the second valve body 15, a second valve seat 19 is arranged in the second flow channel 18, the second valve seat 19 divides the flow channel into a second water inlet pipeline 20 and a second water outlet pipeline 21, a regulating hole 22 is formed in the side wall of the second valve body 15, which is opposite to the second valve seat 19, and the regulating hole 22 is communicated with the second water outlet pipeline 21 and the outer side of the second valve body 15; the second valve cover 16 is buckled with the adjusting hole 22, and a guide pipe 23 is arranged at the bottom of the second valve cover 16; the regulating assembly 17 comprises a diaphragm 24, a second valve rod 25, a valve clack 26 and a spring 27; the diaphragm 24 covers the adjusting hole 22, and the periphery of the diaphragm 24 is clamped between the second valve cover 16 and the second valve body 15; one end of the second valve rod 25 is inserted into the guide pipe 23, and the other end of the second valve rod passes through the diaphragm 24, the adjusting hole 22, the second water outlet pipeline 21 and the second valve seat 19 in sequence and extends into the second water inlet pipeline 20; the valve flap 26 is sleeved on the second valve rod 25 and is blocked on the second valve seat 19, and the valve flap 26 is arranged in the second water outlet pipeline 21; one end of the spring 27 is sleeved on the guide pipe 23 and is abutted against the cover bottom of the second valve cover 16, and the other end of the spring is abutted against the valve clack 26;

the quick connector 3 comprises a connecting ring 28, an outer sleeve 29 extends from the outer ring of the connecting ring 28 to two ends along the axial direction, an inner sleeve 30 extends from the inner ring of the connecting ring 28 to two ends along the axial direction, threaded holes 31 are uniformly distributed on the circumference of the end part of the outer sleeve 29, the threaded holes 31 are radially opened, and a screw rod 32 is connected in each threaded hole 31 in a threaded manner; when in use, the first water outlet pipe 10 is inserted between the inner sleeve 30 and the outer sleeve 29 at one end of the connecting ring 28 until the end of the first water outlet pipe 10 stops at the end surface of the connecting ring 28, the second water inlet pipe 20 is inserted between the inner sleeve 30 and the outer sleeve 29 at the other end of the connecting ring 28 until the end of the second water inlet pipe 20 stops at the end surface of the connecting ring 28, and the screw 32 is screwed until the screw 32 abuts against the first water outlet pipe 10 and the second water inlet pipe 20;

as a preferred technical solution of this embodiment, as shown in fig. 3, a first wedge surface ring 33 is disposed on an outer circumference of an end portion of the first water outlet pipe 10, a first wedge surface 34 is disposed on a side of the first wedge surface ring 33 away from an end surface of the first water outlet pipe 10, and the first wedge surface 34 faces the threaded hole 31; after the first water outlet pipeline 10 of the gate valve 1 is inserted between the inner and outer sleeves 29, the screw rod 32 is screwed, and as the screw rod 32 is further screwed to the threaded hole 31, the chamfered edge of the inner end of the screw rod 32 contacts the first wedge-shaped surface 34 first, and the acting force borne by the first wedge-shaped surface 34 can be divided into a radial acting force and an axial acting force which points from the force bearing point to the end surface direction of the first water outlet pipeline 10, so that the first water outlet pipeline 10 has a tendency of moving towards the end surface of the connecting ring 28, that is, the connecting acting force between the first water outlet pipeline 10 and the quick connector 3 is enhanced;

meanwhile, a second wedge-shaped surface ring 35 is arranged on the outer circumference of the end part of the second water inlet pipe 20, a second wedge-shaped surface 36 is arranged on one side of the second wedge-shaped surface ring 35, which is far away from the end surface of the second water inlet pipe 20, and the second wedge-shaped surface 36 is over against the threaded hole 31; after the second water inlet pipe 20 of the hydraulic control valve 2 is inserted between the inner and outer sleeves 29, the screw rod 32 is screwed, and as the screw rod 32 is further screwed to the threaded hole 31, the chamfered edge of the inner end of the screw rod 32 contacts the second wedge-shaped surface 36 first, and the acting force borne by the second wedge-shaped surface 36 can be divided into a radial acting force and an axial acting force which points from the force bearing point to the end surface of the second water inlet pipe 20, so that the second water inlet pipe 20 has a tendency of moving towards the end surface of the connection ring 28, that is, the connection acting force between the second water inlet pipe 20 and the quick connector 3 is enhanced;

when the medium in the flow channel impacts the end face of the inner sleeve 30, the kinetic energy loss is easily caused, therefore, the inner diameter of the inner sleeve 30 is gradually reduced from two ends to the center, and through the design, the area of the end part of the inner sleeve 30 is small enough, so that the contact area of the medium and the end face is reduced, and the kinetic energy loss is avoided;

in view of the sealing between the end of the first outlet conduit 10 and the end surface of the connection ring 28, and the sealing between the end of the second inlet conduit 20 and the end surface of the connection ring 28, in this embodiment, both ends of the connection ring 28 are provided with first sealing ring grooves 37, and a first sealing ring 38 is filled in the first sealing ring grooves 37 for forming a seal between the end surface of the connection ring 28 and the end surface of the first outlet conduit 10, and simultaneously for forming a seal between the end surface of the connection ring 28 and the end surface of the second inlet conduit 20; meanwhile, in consideration of the sealing between the outer circumferential surface of the inner sleeve 30 and the inner wall of the first water outlet pipe 10 and the sealing between the outer circumferential surface of the inner sleeve 30 and the inner wall of the second water inlet pipe 20, a second sealing ring groove 39 is formed in the outer circumference of the end portion of the inner sleeve 30, and a second sealing ring 40 is filled in the second sealing ring groove 39 and used for forming sealing between the outer circumferential surface of the inner sleeve 30 and the inner circumferential surface of the first water outlet pipe 10 and simultaneously used for forming sealing between the outer circumferential surface of the inner sleeve 30 and the inner circumferential surface of the second water inlet pipe 20.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A hydraulic control valve group is characterized by comprising a gate valve, a hydraulic control valve and a quick connector;

connect the piece soon and include the go-between, the outer loop of go-between and extend to both ends along the axis direction have the outer tube, the inner ring of go-between and extend to both ends along the axis direction have interior sleeve pipe, the circumference equipartition screw hole of outer tube tip, the screw hole is along radially seting up, at each screw hole internal thread connection lead screw.

2. The set of hydraulic control valves as claimed in claim 1, wherein the first outlet conduit end is provided with a first wedge ring at its outer circumference, and the side of the first wedge ring away from the first outlet conduit end is a first wedge surface facing the threaded hole.

3. The set of hydraulic control valves as claimed in claim 1, wherein the second inlet conduit end portion has a second wedge surface ring disposed on its outer circumference, and the side of the second wedge surface ring away from the second inlet conduit end surface is a second wedge surface facing the threaded hole.

4. The hydraulic control valve group as recited in claim 1, wherein the connecting ring is provided with a first sealing ring groove at both ends, and a first sealing ring is filled in the first sealing ring groove.

5. The set of hydraulic control valves of claim 1, wherein the inner diameter of the inner sleeve decreases from end to center.

6. The hydraulic control valve group as claimed in claim 1 or 5, wherein the outer circumference of the end of the inner sleeve is provided with a second sealing ring groove, and a second sealing ring is filled in the second sealing ring groove.