CN211371328U

CN211371328U - Automatic change hydrovalve

Info

Publication number: CN211371328U
Application number: CN201921834416.8U
Authority: CN
Inventors: 郭金辉; 施卫东
Original assignee: Suzhou Weifu Valve Electromechanical Co ltd
Current assignee: Chengdu Kaihang Automation Complete Equipment Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-28
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses an automatic change hydrovalve, including hydraulic valve body and base, L type support and base top fixed connection are passed through in hydraulic valve body bottom four corners, the inside interior chamber that is equipped with of hydraulic valve body, the hydraulic valve body left and right sides is equipped with the oil feed passageway and the passageway of producing oil that is linked together with interior chamber relatively, it has all seted up the spout along vertical direction to be close to in oil feed passageway and the passageway department of producing oil on the inner chamber lateral wall, the indoor piece of opening and close that is equipped with of interior chamber, it can slide from top to bottom in the spout to open and close both ends about the piece, the hydraulic valve body top is equipped with the mount, fixed mounting has the pneumatic cylinder on the mount, open and close a top fixedly connected with push rod, the through-hole that is linked together. The hydraulic valve is automatically opened and closed, the flow passing through the hydraulic valve can be accurately controlled, the error is small, and the hydraulic valve is more stable after being installed and in the using process.

Description

Automatic change hydrovalve

Technical Field

The utility model relates to the technical field of valves, concretely relates to automatic change hydrovalve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in a pipe or equipment by flowing or stopping the medium. The hydraulic valve is a common 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 on-off of oil, gas and water pipeline systems of a hydropower station.

The existing hydraulic valve has certain disadvantages when in use: (1) the existing hydraulic valve needs to depend on external driving force to enable an opening and closing piece in a hydraulic valve body to do lifting motion in the using process, so that the size of a flow passage area is changed to realize a control function, but the automatic control cannot be completely realized in the whole operation process, the control precision is low, and the existing requirements cannot be met; (2) the existing hydraulic valve is poor in stability during installation, can shake in the long-term use process, and can influence the normal use of the hydraulic valve.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the above-mentioned background art, the utility model aims to provide an automatic hydrovalve, its automation has realized opening and close of hydrovalve, can also carry out accurate control to the flow that passes through in the hydrovalve, and the error is little, and in addition, the hydrovalve installation back is more stable in and the use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic hydraulic valve, which comprises a hydraulic valve body and a base, wherein four corners of the bottom of the hydraulic valve body are fixedly connected with the top of the base through an L-shaped support, a bolt is inserted in the middle of the transverse part of the L-shaped support, the top of the base is provided with a first threaded hole matched with the bolt, an inner chamber is arranged inside the hydraulic valve body, the left side and the right side of the hydraulic valve body are relatively provided with an oil inlet channel and an oil outlet channel communicated with the inner chamber, the inner chamber side wall is close to the oil inlet channel and the oil outlet channel and is provided with a chute along the vertical direction, an opening and closing block is arranged in the inner chamber, the left end and the right end of the opening and closing block can slide up and down in the chute, the left end and the right end of the opening and closing block are respectively and fixedly provided with a seal which is abutted, the hydraulic valve comprises a hydraulic valve body and is characterized in that a fixing frame is arranged at the top of the hydraulic valve body, a hydraulic cylinder is fixedly mounted on the fixing frame, a push rod is fixedly connected to the top of the opening and closing block, a through hole communicated with the inner chamber is formed in the top of the hydraulic valve body, and the top of the push rod penetrates through the through hole and is fixedly connected with a piston rod of the hydraulic cylinder.

The improved structure is characterized in that a guide mechanism is further arranged between the piston rod and the through hole and comprises a guide cylinder body and an annular sealing plug, the guide cylinder body is fixedly arranged on the inner side wall of the through hole, the top of the push rod penetrates through the guide cylinder body and is fixedly connected with the piston rod of the hydraulic cylinder, the annular sealing plug is sleeved on the outer side of the push rod, and the outer side of the annular sealing plug is abutted against the inner side wall of the guide cylinder body. Through the guide cylinder body and the annular sealing plug in the guide mechanism, under the action of the hydraulic cylinder, the push rod can move up and down in the guide cylinder body, and the up-and-down movement of the push rod is limited, so that the piston rod drives the process of opening and closing the up-and-down movement of the opening and closing block in the sliding groove to be more stable, the left-and-right shaking cannot occur, and the accurate control of the flow passing through the hydraulic valve can be realized.

The improved hydraulic cylinder is characterized in that a piston is arranged in the hydraulic cylinder, one end of the piston rod is connected with the piston, the piston can move up and down along the inner side wall of the hydraulic cylinder, the top of the hydraulic cylinder is communicated with a hydraulic pump through a hydraulic pipe, and an adjusting valve is arranged on the hydraulic pipe. During the use, through piston up-and-down motion in the hydraulic pump control pneumatic cylinder, drive the piston rod up-and-down motion that is connected with the piston, and then drive the piece of opening and close on the push rod that is connected with the piston rod and reciprocate in the spout, and then can adjust the flow size of controlling oil feed passageway and oil outlet passageway.

The improved structure is characterized in that the cross section of the sliding groove is of an inverted trapezoidal structure. Through setting up for it is more steady to open and close the piece and reciprocate the process in the spout.

The improvement lies in that, hydraulic valve body bottom four corners pass through stabilizing mean with base top four corners fixed connection, stabilizing mean includes the solid fixed ring of first solid fixed ring, second, first couple, second couple, threaded rod and the rotatory piece of rectangle, first fixed ring fixed set up in hydraulic valve body bottom four corners, the second fixed ring fixed set up in base top four corners, set up the second screw hole that runs through on the rotatory piece side of rectangle, threaded rod one end through first couple with first solid fixed ring is connected, threaded rod other end spiro union in the second threaded hole, the rotatory piece of rectangle is kept away from second screw hole a side through the second couple with the solid fixed ring of second is connected. In the use, can make the threaded rod to the inside removal of the rotatory piece of rectangle through rotating the rotatory piece of rectangle to take up fixedly around to hydraulic valve body, increased the stability of hydraulic valve body in the use, avoided hydraulic valve body to take place to rock when using, guaranteed the use that hydraulic valve body can be normal.

The improved structure is characterized in that the inner cavity is of a square structure, and the sealing valve plug, the annular sealing plug and the piston are made of rubber materials.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses in drive the push rod through the pneumatic cylinder and reciprocate, and then drive the opening and close piece spout of interior chamber and reciprocate, and then can adjust the flow size of controlling oil feed passageway and oil outlet passageway, through direction barrel and annular sealing plug among the guiding mechanism, under the effect of pneumatic cylinder, the push rod can be in the direction barrel up-and-down motion, carry out spacing to the up-and-down motion of push rod, make the piston rod drive the process of opening and close piece up-and-down motion in the spout more stable, can not take place to rock about, and then can realize carrying out accurate control to the flow that passes through in the hydrovalve;

(2) cooperate through the first screw hole in bolt and base top on the horizontal portion of L type support, can be with hydraulic valve body bottom four corners and base top fixed connection, the stability behind hydraulic valve body and the pedestal mounting has been strengthened, in the use, make the threaded rod to the inside removal of the rotatory piece of rectangle through the rotatory piece of rectangle in rotating stabilizing mean, thereby take-up all around to hydraulic valve body fixedly, the stability of hydraulic valve body in the use has further been increased, hydraulic valve body has been avoided taking place to rock when using, the use that hydraulic valve body can be normal has been guaranteed.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram showing the overall structure of an automatic hydraulic valve according to embodiment 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic diagram showing an internal structure of an automatic hydraulic valve according to embodiment 1;

FIG. 5 is a schematic view showing the inner side surface structure of the inner chamber in example 1;

FIG. 6 is a schematic diagram showing the internal structure of an automatic hydraulic valve according to embodiment 2;

wherein, the specific reference numbers are: the hydraulic valve comprises a hydraulic valve body 1, an inner chamber 2, a sliding groove 3, an opening and closing block 4, a sealing valve plug 5, a push rod 6, an oil inlet channel 7, an oil outlet channel 8, a through hole 9, a guide cylinder body 11, an annular sealing plug 12, a fixing frame 13, a hydraulic cylinder 14, a piston 15, a piston rod 16, a hydraulic pipe 17, an adjusting valve 18, a hydraulic pump 19, an L-shaped support 20, a bolt 21, a base 22, a first threaded hole 23, a stabilizing mechanism 24, a first fixing ring 25, a second fixing ring 26, a first hook 27, a second hook 28, a threaded rod 29, a rectangular rotating block 30 and a second threaded hole 31.

Detailed Description

Example 1

The embodiment 1 of the utility model discloses an automatic hydraulic valve, as shown in fig. 1 and fig. 2, comprising a hydraulic valve body 1 and a base 22, four corners of the bottom of the hydraulic valve body 1 are fixedly connected with the top of the base 22 through an L-shaped support 20, a bolt 21 is inserted in the middle of the transverse part of the L-shaped support 20, the top of the base 22 is provided with a first threaded hole 23 matched with the bolt 21, as shown in fig. 4 and fig. 5, an inner chamber 2 is arranged inside the hydraulic valve body 1, an oil inlet channel 7 and an oil outlet channel 8 communicated with the inner chamber 2 are oppositely arranged on the left side and the right side of the hydraulic valve body 1, a chute 3 is arranged on the side wall of the inner chamber 2 along the vertical direction near the oil inlet channel 7 and the oil outlet channel 8, an opening and closing block 4 is arranged in the inner chamber 2, the left end and the right end of the opening and closing block 4 can slide up and down in the chute 3, the height of the opening and closing block 4 is larger than the inner diameter of the oil inlet channel 7, the top of the hydraulic valve body 1 is provided with a fixing frame 13, a hydraulic cylinder 14 is fixedly mounted on the fixing frame 13, the top of the opening and closing block 4 is fixedly connected with a push rod 6, the top of the hydraulic valve body 1 is provided with a through hole 9 communicated with the inner chamber 2, and the top of the push rod 6 penetrates through the through hole 9 to be fixedly connected with a piston rod 16 of the hydraulic. A piston 15 is arranged in the hydraulic cylinder 14, one end of a piston rod 16 is connected with the piston 15, the piston 15 can move up and down along the inner side wall of the hydraulic cylinder 14, the top of the hydraulic cylinder 14 is communicated with a hydraulic pump 19 through a hydraulic pipe 17, and an adjusting valve 18 is arranged on the hydraulic pipe 17. When the hydraulic control device is used, the hydraulic pump 19 controls the piston 15 in the hydraulic cylinder 14 to move up and down, the piston rod 16 connected with the piston 15 is driven to move up and down, the opening and closing block 4 on the push rod 6 connected with the piston rod 16 is driven to move up and down in the chute 3, and the flow of the oil inlet channel 7 and the oil outlet channel 8 can be adjusted and controlled.

Wherein, the cross-section of spout 3 is for falling the trapezium structure, through setting up for it is more steady to open and close piece 4 in spout 3 internal vertical movement process.

Wherein, as shown in fig. 3, 1 bottom four corners of hydraulic valve body is through firm mechanism 24 and the fixed connection in base 22 top four corners, firm mechanism 24 includes first solid fixed ring 25, the solid fixed ring 26 of second, first couple 27, second couple 28, threaded rod 29 and the rotatory piece 30 of rectangle, first solid fixed ring 25 is fixed to be set up in 1 bottom four corners of hydraulic valve body, the solid fixed ring 26 of second is fixed to be set up in base 22 top four corners, set up the second screw hole 31 that runs through on the rotatory piece 30 side of rectangle, threaded rod 29 one end is connected with first solid fixed ring 25 through first couple 27, threaded rod 29 other end spiro union is in second screw hole 31, the rotatory piece 30 of rectangle is kept away from second screw hole 31 side and is connected with the solid fixed ring 26 of second through second couple 28. In the use, can make threaded rod 29 to the inside removal of the rotatory piece 30 of rectangle through rotating the rotatory piece 30 of rectangle to take up fixedly around hydraulic valve body 1, increased the stability of hydraulic valve body 1 in the use, avoided hydraulic valve body 1 to take place to rock when using, guaranteed the use that hydraulic valve body 1 can be normal.

When the hydraulic valve is used, the bolt 21 on the L-shaped support 20 is matched with the first threaded hole 23 on the base 22 for use, the hydraulic valve body 1 is fixed on the base 22, and the rectangular rotating block 30 is rotated clockwise to enable the threaded rod 29 to move towards the inside of the rectangular rotating block 30, so that the periphery of the hydraulic valve body 1 is tensioned and fixed, the stability of the hydraulic valve body 1 and the base 22 after installation is enhanced, the hydraulic valve body 1 is prevented from shaking in use, and the hydraulic valve body 1 can be normally used; then the hydraulic pump 19 is opened again, and the regulating valve 18 is opened, so that the piston 15 moves upwards under the action of pressure, and the push rod 6 fixedly connected with the piston rod 16 moves upwards, and further the opening and closing block 4 positioned at the bottom end of the push rod 6 is driven to move upwards stably in the chute 3, so that the flow of the oil inlet channel 7 and the oil outlet channel 8 is regulated and controlled, and when the preset flow is reached, the regulating valve 18 is closed.

Example 2

The embodiment 2 of the utility model discloses an automatic change hydrovalve, embodiment 2 is the same with embodiment 1's essential feature, and both have following difference technical feature: as shown in fig. 6, a guide mechanism is further arranged between the piston rod 16 and the through hole 9, the guide mechanism includes a guide cylinder 11 and an annular sealing plug 12, the guide cylinder 11 is fixedly arranged on the inner side wall of the through hole 9, the top of the push rod 6 penetrates through the guide cylinder 11 and is fixedly connected with the piston rod 16 of the hydraulic cylinder 14, the annular sealing plug 12 is sleeved on the outer side of the push rod 6, and the outer side of the annular sealing plug 12 abuts against the inner side wall of the guide cylinder 11. Through the guide cylinder body 11 and the annular sealing plug 12 in the guide mechanism, under the action of the hydraulic cylinder 14, the push rod 6 can move up and down in the guide cylinder body 11 to limit the up-and-down movement of the push rod 6, so that the piston rod 16 drives the opening and closing block 4 to move up and down in the chute 3 more stably, and can not shake left and right, and further the flow passing through the hydraulic valve can be accurately controlled. Wherein, interior chamber 2 is the square structure, and sealing valve plug 5, annular sealing plug 12 and piston 15 all adopt rubber material.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. An automatic hydraulic valve is characterized by comprising a hydraulic valve body and a base, wherein four corners of the bottom of the hydraulic valve body are fixedly connected with the top of the base through an L-shaped support, a bolt is inserted in the middle of the transverse part of the L-shaped support, a first threaded hole matched with the bolt is formed in the top of the base, an inner chamber is arranged in the hydraulic valve body, an oil inlet channel and an oil outlet channel which are communicated with the inner chamber are oppositely arranged on the left side and the right side of the hydraulic valve body, sliding grooves are formed in the positions close to the oil inlet channel and the oil outlet channel along the vertical direction on the side wall of the inner chamber, an opening and closing block is arranged in the inner chamber, the left end and the right end of the opening and closing block can slide up and down in the sliding grooves, sealing against the inner wall of the sliding grooves is fixedly arranged at the left end and the right end of, the hydraulic valve comprises a hydraulic valve body and is characterized in that a fixing frame is arranged at the top of the hydraulic valve body, a hydraulic cylinder is fixedly mounted on the fixing frame, a push rod is fixedly connected to the top of the opening and closing block, a through hole communicated with the inner chamber is formed in the top of the hydraulic valve body, and the top of the push rod penetrates through the through hole and is fixedly connected with a piston rod of the hydraulic cylinder.

2. The automated hydraulic valve of claim 1, wherein a piston is disposed inside the hydraulic cylinder, one end of the piston rod is connected to the piston, the piston is movable up and down along an inner side wall of the hydraulic cylinder, a top of the hydraulic cylinder is connected to the hydraulic pump through a hydraulic pipe, and the hydraulic pipe is provided with a regulating valve.

3. The automatic hydraulic valve according to claim 2, wherein a guide mechanism is further disposed between the piston rod and the through hole, the guide mechanism includes a guide cylinder and an annular sealing plug, the guide cylinder is fixedly disposed on an inner side wall of the through hole, a top portion of the push rod penetrates through the guide cylinder and is fixedly connected with the piston rod of the hydraulic cylinder, the annular sealing plug is sleeved on an outer side of the push rod, and an outer side of the annular sealing plug abuts against an inner side wall of the guide cylinder.

4. The automated hydraulic valve of claim 3, wherein the inner chamber is a cube, and the sealing valve plug, the annular sealing plug, and the piston are made of rubber.

5. The automated hydraulic valve of claim 1, wherein the cross-section of the chute is an inverted trapezoidal structure.

6. The automated hydraulic valve according to claim 1, wherein the four corners of the bottom of the hydraulic valve body are fixedly connected with the four corners of the top of the base through a fixing mechanism, the fixing mechanism comprises a first fixing ring, a second fixing ring, a first hook, a second hook, a threaded rod and a rectangular rotating block, the first fixing ring is fixedly arranged at the four corners of the bottom of the hydraulic valve body, the second fixing ring is fixedly arranged at the four corners of the top of the base, a penetrating second threaded hole is formed in one side face of the rectangular rotating block, one end of the threaded rod is connected with the first fixing ring through the first hook, the other end of the threaded rod is screwed in the second threaded hole, and the rectangular rotating block is far away from one side face of the second threaded hole and is connected with the second fixing ring through the second hook.