CN219317298U

CN219317298U - Hydraulic multi-way reversing valve

Info

Publication number: CN219317298U
Application number: CN202320155917.3U
Authority: CN
Inventors: 郝文启; 郝存发; 张建军
Original assignee: Shijiazhuang Jidong Hydraulic Co ltd
Current assignee: Shijiazhuang Jidong Hydraulic Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-07-07
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses a hydraulic multi-way reversing valve, which relates to the structural field of reversing valves and comprises a valve body, wherein one side of the valve body is provided with an oil inlet, the other side of the valve body is provided with a T-mouth oil pipe and a P-mouth oil pipe, a square slideway is arranged in the valve body, an I-shaped column is slidably arranged in the square slideway, sealing rings are sleeved at positions, close to two ends, of the I-shaped column, and a sliding driving unit is arranged on one side of the I-shaped column. According to the utility model, through the arrangement of the valve body, the I-shaped column slides in the square slideway to enable the oil inlet to be communicated with the T-port oil pipe or the P-port oil pipe, so that reversing is realized, when oil flows to the T-port oil pipe or the P-port oil pipe, the oil overcomes the acting force of the tension spring to push the piston block to slide along the floating cavity, the top end of the floating rod is driven to be far away from the floating cavity, the larger the oil pressure is, the longer the floating rod stretches out, the oil pressure is directly read through the scale mark, and the use is convenient and quick.

Description

Hydraulic multi-way reversing valve

Technical Field

The utility model relates to the field of reversing valve structures, in particular to a hydraulic multi-way reversing valve.

Background

The reversing valve is a valve type which changes the on-off relation of an oil duct connected to the valve body by means of the relative movement between the valve core and the valve body, and the multi-way reversing valve is a combined valve taking two or more reversing valves as main bodies.

In the prior art, as disclosed in publication number CN209041206U, by setting a hydraulic multi-way reversing valve oil way structure formed by combining a P-port oil pipe, a T-port oil pipe and an oil inlet, and by controlling an operation lever to adjust oil to selectively shunt, however, the valve needs to know the oil pressures in the T-port oil pipe and the P-port oil pipe through a pressure gauge, and has certain inconvenience in use, so we disclose a hydraulic multi-way reversing valve to meet the demands of people.

Disclosure of Invention

The purpose of this application is to provide a hydraulic pressure multiple direction valve to solve the above-mentioned problem that the valve that proposes in the prior art only need know T mouth oil pipe and P mouth oil pipe internal oil pressure through the manometer, use has certain inconvenience.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a hydraulic pressure multichannel switching-over valve, includes the valve body, one side of valve body is equipped with the oil inlet, and the opposite side is equipped with T mouth oil pipe and P mouth oil pipe, square slide has been seted up to the inside of valve body, install the I-shaped post in the square slide, the I-shaped post is close to both ends position and all cup joints and install the sealing washer, slide drive unit is installed to one side of I-shaped post, the I-shaped post makes the oil inlet with T mouth oil pipe or P mouth oil pipe is linked together, T mouth oil pipe with all install the floating chamber on P mouth oil pipe's the lateral wall, the floating chamber with T mouth oil pipe or P mouth oil pipe is linked together, slidable mounting has the piston shoe in the floating chamber, elastic element is installed to one side of piston shoe, and the floating rod is installed to the opposite side, dodge the hole has been seted up on the top of floating chamber, the top of floating rod runs through dodge the hole and extends to the outside of floating chamber, the recess has been seted up on one side of floating rod, be carved with scale mark on the cell wall of recess, scale mark and the top phase-match.

Preferably, the sliding driving unit comprises a central rotating column, side sealing plates are fixedly arranged at two ends of the valve body through fixing units, rotating holes are formed in the side sealing plates, the central rotating column is rotatably arranged in the rotating holes, external threads are formed in the outer wall of the middle of the central rotating column, internal threaded holes are correspondingly formed in the I-shaped column, the internal threaded holes are matched with the external threads in a threaded mode, and an operating unit is arranged at one end of the central rotating column.

Preferably, the fixing unit comprises a bolt, a mounting hole is formed in one side of the side sealing plate, screw holes are correspondingly formed in two ends of the valve body, and one end of the bolt penetrates through the mounting hole and is in threaded connection with the screw holes.

Preferably, the operation unit includes a handle installed at one end of the central rotation post through a rotation rod, and forming a bending structure.

Preferably, one end of the handle is rotatably connected with the rotating rod, and one end of the rotating rod is rotatably connected with one end of the central rotating column.

Preferably, the elastic unit comprises a tension spring, one end of the tension spring is arranged on the inner wall of the tube corresponding to the T-port oil tube or the P-port oil tube, and the other end of the tension spring is arranged on one side corresponding to the piston block.

Preferably, the two side seal plates are arranged on one side close to each other, the buffer pad is positioned in the square slideway, and one side of the buffer pad is matched with one end of the I-shaped column.

In summary, the utility model has the technical effects and advantages that:

1. according to the utility model, through the arrangement of the valve body, the I-shaped column slides in the square slideway to enable the oil inlet to be communicated with the T-port oil pipe or the P-port oil pipe, so that reversing is realized, when oil flows to the T-port oil pipe or the P-port oil pipe, the oil overcomes the acting force of the tension spring to push the piston block to slide along the floating cavity, the top end of the floating rod is driven to be far away from the floating cavity, the larger the oil pressure is, the longer the floating rod stretches out, the oil pressure is directly read through the scale mark, and the use is convenient and quick.

2. According to the utility model, through the arrangement of the side sealing plates, the handle and the rotating rod form an L-shaped structure, the force is applied to enable the central rotating column to rotate on the side sealing plates and drive the external threads to rotate, in the rotating process, the I-shaped column slides along the square slideway, the driving function is realized, and through the arrangement of the buffer pad, the collision strength between the I-shaped column and the side sealing plates can be reduced, and the collision abnormal sound is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the present utility model in a cut-away configuration;

FIG. 3 is a schematic illustration of a piston block area in partial cross-section of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure of a region a in fig. 3.

In the figure: 1. a valve body; 2. an oil inlet; 3. a T-port oil pipe; 4. p port oil pipe; 5. a seal ring; 6. a side sealing plate; 7. a floating chamber; 8. a floating rod; 9. a handle; 10. a central rotating column; 11. an I-shaped column; 12. a cushion pad; 13. an external thread; 14. a rotating lever; 15. a bolt; 16. a tension spring; 17. a piston block; 18. and (5) scale marks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to a hydraulic multi-way reversing valve shown in fig. 1-4, which comprises a valve body 1, one side of the valve body 1 is provided with an oil inlet 2, the other side is provided with a T-port oil pipe 3 and a P-port oil pipe 4, a square slideway is arranged in the valve body 1, an I-shaped column 11 is slidably arranged in the square slideway, sealing rings 5 are sleeved and arranged at positions close to two ends of the I-shaped column 11, a sliding driving unit is arranged on one side of the I-shaped column 11, the oil inlet 2 is communicated with the T-port oil pipe 3 or the P-port oil pipe 4, floating cavities 7 are arranged on the outer side walls of the T-port oil pipe 3 and the P-port oil pipe 4, the floating cavities 7 are communicated with the T-port oil pipe 3 or the P-port oil pipe 4, a piston block 17 is arranged in the floating cavities 7, an elastic unit is arranged on one side of the piston block 17, a floating rod 8 is arranged on the other side, an avoidance hole is formed in the top end of the floating cavity 7, the top end of the floating rod 8 is penetrated and extends to the outer side of the floating cavity 7, a groove is formed in one side of the floating rod 8, scales 18 are carved on the groove wall of the groove, and scale marks 18 are matched with the top side of the floating cavity 7.

Based on the above mechanism, through the setting of valve body 1, I-shaped post 11 slides in square slide through the drive of slip drive unit and makes oil inlet 2 be linked together with T mouth oil pipe 3 or P mouth oil pipe 4, realize the switching-over, when oil liquid flows to T mouth oil pipe 3 or P mouth oil pipe 4, the effort that oil overcome elastic element promotes piston 17 along floating chamber 7 to drive floating rod 8's top and keep away from floating chamber 7, and the oil pressure is bigger, and floating rod 8 stretches out the longer, through scale sign 18, direct readout oil pressure, convenient to use is swift.

As shown in fig. 2, the sliding driving unit includes a central rotating column 10, two ends of the valve body 1 are fixedly installed with side sealing plates 6 through fixing units, a rotating hole is formed in each side sealing plate 6, the central rotating column 10 is rotatably installed in the rotating hole, an external thread 13 is formed in the outer wall of the middle of the central rotating column 10, an internal thread hole is correspondingly formed in each i-shaped column 11, the internal thread hole is in threaded connection with the external thread 13, an operating unit is installed at one end of the central rotating column 10, the central rotating column 10 is rotated through the operating unit through the arrangement of the side sealing plates 6, the external thread 13 is driven to rotate, and in the rotating process, the i-shaped column 11 slides along a square slideway to realize a driving function.

As shown in fig. 2, the fixing unit includes a bolt 15, one side of the side sealing plate 6 is provided with a mounting hole, two ends of the valve body 1 are correspondingly provided with screw holes, one end of the bolt 15 penetrates through the mounting hole and is in screwed connection with the screw holes, the side sealing plate 6 can be quickly mounted on the valve body 1 through the arrangement of the bolt 15, and meanwhile, the side sealing plate is quick to detach and convenient to use.

As shown in fig. 2, the operation unit includes a handle 9, the handle 9 is mounted at one end of the central rotating post 10 through a rotating rod 14, and forms a bending structure, and the handle 9 and the rotating rod 14 form an L-shaped structure through the arrangement of the handle 9 and the rotating rod 14, so that the central rotating post 10 can be conveniently rotated by applying force, and the convenience of use is increased.

As shown in fig. 2, one end of the handle 9 is rotatably connected with the rotating rod 14, and one end of the rotating rod 14 is rotatably connected with one end of the central rotating post 10, and by means of the arrangement of the rotational connection, the positional relationship among the rotating rod 14, the central rotating post 10 and the handle 9 can be changed, so that the storage and the use are facilitated.

As shown in fig. 3, the elastic unit includes a tension spring 16, one end of the tension spring 16 is installed on the inner wall of the tube corresponding to the T-port oil pipe 3 or the P-port oil pipe 4, the other end is installed on one side corresponding to the piston block 17, the tension spring 16 is a linear spring, oil needs to overcome the tension of the tension spring 16 to push the piston block 17 to move, and after the oil pressure is reduced, the tension spring 16 pulls the piston block 17 to reset rapidly.

As shown in fig. 2, the cushion pad 12 is installed on one side of the two side sealing plates 6, which are close to each other, the cushion pad 12 is located in the square slideway, one side of the cushion pad 12 is matched with one end of the i-shaped column 11, and through the arrangement of the cushion pad 12, the collision strength between the i-shaped column 11 and the side sealing plates 6 can be reduced, and the abnormal noise caused by collision is reduced.

The working principle of the utility model is as follows:

through the setting of valve body 1, make center swivel post 10 rotate on side seal board 6 through operating element to drive external screw thread 13 and rotate, in the rotation process, make I-shaped post 11 follow square slide and slide, drive I-shaped post 11 and slide in square slide, make oil inlet 2 and T mouth oil pipe 3 or P mouth oil pipe 4 be linked together, realize the switching-over, when oil liquid flows to T mouth oil pipe 3 or P mouth oil pipe 4, the effort that oil overcome the elastic element promotes piston block 17 and slides along floating chamber 7, and drive the top of floating rod 8 and keep away from floating chamber 7, and the oil pressure is bigger, floating rod 8 stretches out the longer, through scale mark 18, direct readout oil pressure, convenient to use is swift.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a hydraulic pressure multiple direction valve, includes valve body (1), one side of valve body (1) is equipped with oil inlet (2), and the opposite side is equipped with T mouth oil pipe (3) and P mouth oil pipe (4), its characterized in that: the inside of valve body (1) has seted up square slide, install I-shaped post (11) in the square slide, I-shaped post (11) all cup joints and has installed sealing washer (5) near both ends position, slide drive unit is installed to one side of I-shaped post (11), I-shaped post (11) make oil inlet (2) with T mouth oil pipe (3) or P mouth oil pipe (4) are linked together, T mouth oil pipe (3) with all install floating chamber (7) on the lateral wall of P mouth oil pipe (4), floating chamber (7) with T mouth oil pipe (3) or P mouth oil pipe (4) are linked together, sliding mounting has piston block (17) in floating chamber (7), elastic element is installed to one side of piston block (17), and floating rod (8) are installed to the opposite side, the top of floating rod (8) is seted up dodges the hole and is extended to the outside of floating chamber (7) floating chamber (18) is equipped with scale mark (18) on one side, scale mark (18) are carved on one side of the groove (18).

2. A hydraulic multiple directional control valve according to claim 1, characterized in that: the sliding driving unit comprises a central rotating column (10), side sealing plates (6) are fixedly arranged at two ends of the valve body (1) through fixing units, rotating holes are formed in the side sealing plates (6), the central rotating column (10) is rotatably arranged in the rotating holes, external threads (13) are formed in the outer wall of the middle of the central rotating column (10), internal threaded holes are correspondingly formed in the I-shaped column (11), the internal threaded holes are matched with the external threads (13) in a threaded mode, and an operating unit is arranged at one end of the central rotating column (10).

3. A hydraulic multiple directional control valve according to claim 2, characterized in that: the fixing unit comprises a bolt (15), a mounting hole is formed in one side of the side sealing plate (6), screw holes are correspondingly formed in two ends of the valve body (1), and one end of the bolt (15) penetrates through the mounting hole and is in threaded connection with the screw holes.

4. A hydraulic multiple directional control valve according to claim 2, characterized in that: the operation unit comprises a handle (9), wherein the handle (9) is arranged at one end of the central rotating column (10) through a rotating rod (14) and forms a bending structure.

5. A hydraulic multiple directional control valve according to claim 4, wherein: one end of the handle (9) is rotatably connected with the rotating rod (14), and one end of the rotating rod (14) is rotatably connected with one end of the central rotating column (10).

6. A hydraulic multiple directional control valve according to claim 1, characterized in that: the elastic unit comprises a tension spring (16), one end of the tension spring (16) is arranged on the inner wall of the tube corresponding to the T-port oil tube (3) or the P-port oil tube (4), and the other end of the tension spring is arranged on one side corresponding to the piston block (17).

7. A hydraulic multiple directional control valve according to claim 2, characterized in that: the two side seal plates (6) are arranged on one sides close to each other, the buffer pads (12) are arranged in the square slide ways, and one sides of the buffer pads (12) are matched with one end of the I-shaped column (11).