CN215257928U

CN215257928U - Improved reversing valve

Info

Publication number: CN215257928U
Application number: CN202121078926.4U
Authority: CN
Inventors: 刘�东; 李永政
Original assignee: Yantai Chengtai Construction Machinery Co ltd
Current assignee: Yantai Chengtai Construction Machinery Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-21
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to the technical field of reversing valve manufacturing, in particular to an improved reversing valve, which comprises a valve body, wherein transparent windows are symmetrically embedded on the circumferential outer wall of the valve body, an air inlet pipe is embedded in the central position of the bottom of the valve body, shunt pipes are symmetrically embedded on the circumferential outer wall of the valve body, a sealing cover is arranged above the valve body, first fastening bolts are arranged in first through holes, a first threaded hole is arranged at a position on the valve body corresponding to the first through holes, a rotating column is arranged at the central position of the upper surface of the sealing cover, a pointing needle is arranged at the top of the rotating column, a plugging block is arranged at the bottom of the rotating column, and a fixed column is arranged at the central position of the upper surface of the sealing cover; this improved generation switching-over valve installs the transparent window on the valve body, and the inside mediation situation of being convenient for observe in real time, sealed lid is convenient for make up fixed the use under the cooperation of first fastening bolt, helps manually to open, cleans the use to inside, and directional needle on the column spinner corresponds with the shutoff piece, is convenient for know the position of shutoff piece, switches the pipeline and uses.

Description

Improved reversing valve

Technical Field

The utility model relates to a switching-over valve preparation technical field specifically is an improved generation switching-over valve.

Background

The reversing valve is a direction control valve with more than two flow forms and more than two oil ports, is a valve for realizing communication, cutting off and reversing of hydraulic oil flow, pressure unloading and sequential action control, and is a direction control valve depending on the relative movement of a valve core and a valve body;

the general reversing valve is inconvenient for cleaning and using the interior, the internal communication switching condition cannot be clearly seen, and the valve body blockage condition is inconvenient to judge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation switching-over valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an improved reversing valve comprises a valve body, wherein the interior of the valve body is hollow, transparent windows are symmetrically embedded in the circumferential outer wall of the valve body, an air inlet pipe communicated with the interior is embedded in the central position of the bottom of the valve body, flow dividing pipes communicated with the interior are further symmetrically embedded in the circumferential outer wall of the valve body, a circular groove is formed in the top of the valve body, a sealing cover is arranged above the valve body, a sealing rubber gasket is further arranged at the position, corresponding to the circular groove, of the lower surface of the sealing cover, a plurality of first through holes are further formed in the upper surface of the sealing cover, close to the edge, a plurality of first through holes are further formed in the upper surface of the sealing cover, first fastening bolts are arranged in the first through holes, first threaded holes are further formed in the position, corresponding to the first through holes, of the valve body, a rotary column is further arranged in the central position of the upper surface of the sealing cover, a pointing needle is arranged at the top of the rotary column, the rotary column penetrates through the sealing cover, and a limiting ring is sleeved on the rotary column, the rotary column bottom is equipped with the shutoff piece, sealing cover upper surface central point puts and still installs the fixed column, the rotary column passes the fixed column.

Preferably, the air inlet pipe is welded and fixed with the valve body, a first flange is further embedded at a position, close to the bottom, on the circumferential outer wall of the air inlet pipe, and the first flange is welded and fixed with the air inlet pipe.

Preferably, shunt tubes and valve body welded fastening, still inlay on the shunt tubes circumference outer wall and be equipped with the second flange near tip position, second flange and shunt tubes welded fastening.

Preferably, the diameter of the sealing rubber gasket is matched with that of the annular groove, the sealing rubber gasket is fixedly bonded with the sealing cover, the aperture of the first through hole is matched with that of the first fastening bolt, and the diameter of the first fastening bolt is matched with that of the first threaded hole.

Preferably, directional needle and column spinner welded fastening, the shutoff piece is corresponding with the position of directional needle, the shutoff piece is circular arc platelike, shutoff piece and column spinner welded fastening, spacing ring and column spinner welded fastening, two the spacing ring closely laminates with sealed both sides face.

Preferably, a rotary groove is formed in the middle of the fixed column, a plurality of second through holes are formed in the position, close to the bottom, of the outer circumferential wall of the fixed column, third fastening bolts are arranged in the second through holes, third threaded holes are formed in the position, close to the top, of the outer circumferential wall of the fixed column, and second fastening bolts are arranged in the third threaded holes.

Preferably, a second threaded hole is formed in the position, corresponding to the second through hole, of the sealing cover, and the diameter of the third fastening bolt is matched with the aperture of the second threaded hole.

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

1. the utility model discloses installing the transparent window on the valve body, being convenient for observe inside mediation situation in real time, can also clearly see the shutoff piece and adjust the situation, in time know inside communication and switch the situation, sealed lid is convenient for make up fixed the use under the cooperation of first fastening bolt, helps manually to open, cleans the use to inside, and directional needle on the column spinner corresponds with the shutoff piece, is convenient for know the position of shutoff piece, switches the pipe use.

2. The utility model discloses the installation of fixed column, under the cooperation of third binding bolt, be convenient for rotate adjusting position to the column spinner and fix the use, the installation of spacing ring lets the column spinner rotate more nimble, carries out the switching use of pipeline, coordinates first flange in the intake pipe, and the external pipe connection of being convenient for is fixed to be used, coordinates the second flange on the shunt tubes, is convenient for and the shunt tubes connection that corresponds is fixed to be used.

Drawings

Fig. 1 is a schematic view of the overall structure of the improved reversing valve of the present invention;

FIG. 2 is a schematic view of an improved seal cover opening structure of the reversing valve of the present invention;

FIG. 3 is a schematic view of the valve body frame structure of the present invention;

fig. 4 is a schematic structural view of a sealing cover frame of the present invention;

FIG. 5 is a schematic view of the structure of the rotary column and the plugging block of the present invention;

FIG. 6 is a schematic view of the fixing pillar frame structure of the present invention;

fig. 7 is a schematic view of the overall section structure of the improved reversing valve of the present invention.

The various reference numbers in the figures mean:

1. a valve body; 10. an annular groove; 11. a first threaded hole;

2. a sealing cover; 20. a first perforation; 21. a first fastening bolt; 22. sealing the rubber gasket; 23. a second threaded hole;

3. an air inlet pipe; 30. a first flange;

4. a shunt tube; 40. a second flange;

5. a transparent window;

6. a spin column; 60. a pointing needle; 61. a limiting ring; 62. a plugging block;

7. fixing a column; 70. rotating the groove; 71. a third threaded hole; 72. a second fastening pin; 73. a second perforation; 74. and a third fastening bolt.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

an improved reversing valve comprises a valve body 1, wherein the interior of the valve body 1 is hollow, a transparent window 5 is symmetrically embedded on the circumferential outer wall of the valve body 1, an air inlet pipe 3 communicated with the interior is embedded in the central position of the bottom of the valve body 1, a shunt pipe 4 communicated with the interior is further symmetrically embedded on the circumferential outer wall of the valve body 1, an annular groove 10 is formed in the top of the valve body 1, a sealing cover 2 is arranged above the valve body 1, a sealing rubber gasket 22 is further arranged at the position, corresponding to the annular groove 10, of the lower surface of the sealing cover 2, a plurality of first through holes 20 are further formed in the upper surface of the sealing cover 2 close to the edge, first fastening bolts 21 are respectively arranged in the first through holes 20, a first threaded hole 11 is further formed in the position, corresponding to the first through hole 20, a rotary column 6 is further arranged in the central position of the upper surface of the sealing cover 2, a pointing needle 60 is arranged at the top of the rotary column 6, the rotary column 6 penetrates through the sealing cover 2, and a limit ring 61 is sleeved on the rotary column 6, the bottom of the rotating column 6 is provided with a blocking block 62, the center of the upper surface of the sealing cover 2 is provided with a fixing column 7, and the rotating column 6 penetrates through the fixing column 7.

In this embodiment, intake pipe 3 and valve body 1 welded fastening, be close to the bottom position on the 3 circumference outer walls of intake pipe and still inlay and be equipped with first flange 30,

first flange

30 and 3 welded fastening of intake pipe, the installation of first flange 30 helps the stable connection of intake pipe 3 to use.

Further, shunt tubes 4 and valve body 1 welded fastening, still inlay on the shunt tubes 4 circumference outer wall and be equipped with second flange 40 near tip position, second flange 40 and shunt tubes 4 welded fastening, second flange 40 cooperation is used, helps shunt tubes 4 and external pipeline to be connected the combination and uses, increases the stability of connecting.

Specifically, the diameter looks adaptation of sealed cushion 22 diameter and ring channel 10, sealed cushion 22 and sealed lid 2 bonding are fixed, the diameter looks adaptation of the aperture of first perforation 20 and first fastening bolt 21, the diameter of first fastening bolt 21 and the aperture looks adaptation of first screw hole 11, and the cooperation of sealed cushion 22 increases sealed lid 2 leakproofness, under the cooperation of first fastening bolt 21, quick fixed sealed lid 2.

It should be noted that, the directional needle 60 is welded and fixed with the rotating column 6, the plugging block 62 corresponds to the position of the directional needle 60, the plugging block 62 is in the shape of a circular arc plate, the plugging block 62 is welded and fixed with the rotating column 6, the limiting rings 61 are welded and fixed with the rotating column 6, the two limiting rings 61 are tightly attached to the two side faces of the sealing cover 2, the two limiting rings 61 are installed to limit the rotating column 6 to move up and down, the outer wall of the plugging block 62 is tightly attached to the inner wall of the valve body 1, so that the corresponding shunt tubes 4 can be plugged conveniently, and the use of switching pipelines is realized.

Further, a rotary groove 70 has been seted up in the middle of fixed column 7, a plurality of second perforation 73 has been seted up near the bottom position on the fixed column 7 circumference outer wall, all be equipped with third fastening bolt 74 in the second perforation 73, be close to top position on the fixed column 7 circumference outer wall and seted up third screw hole 71, be equipped with second fastening bolt 72 in the third screw hole 71, the installation of third fastening bolt 74, be convenient for fixed column 7 and sealed lid 2, the installation of second fastening bolt 72 helps the position of fixed column spinner 6, prevent under atmospheric pressure, let shutoff piece 62 skew, influence the switching pipeline and use.

In addition, the sealing cover 2 is provided with a second threaded hole 23 at a position corresponding to the second through hole 73, the diameter of the third fastening bolt 74 is matched with the aperture of the second threaded hole 23, and the third fastening bolt 74 penetrates through the second through hole 73 and is in threaded connection with the second threaded hole 23, so that a user can replace the fixing column 7 manually.

The improved generation switching-over valve of this embodiment is when using, the user is manual installs the column spinner 6 on sealed lid 2, then establish fixed column 7 cover on column spinner 6, fixed column 7 passes from the turn trough 70, second fastening bolt 72 passes third screw hole 71, second fastening bolt 72 is terminal laminates with column spinner 6, then with sealed lid 2 through first fastening bolt 21 and valve body 1 fixed connection, the position of the directional needle 60 of user manual rotation regulation, let blocking block 62 correspond one of them shunt tubes 4 of shutoff, intake pipe 3 is connected with external pipeline through first flange 30, observe the situation of inside pipeline switching in real time through transparent window 5, know the situation that the valve body blockked up, be convenient for clean the use better, overall structure is simple, it is convenient to install.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An improved reversing valve comprises a valve body (1), and is characterized in that: the inner part of the valve body (1) is hollow, transparent windows (5) are symmetrically embedded in the outer wall of the circumference of the valve body (1), an air inlet pipe (3) communicated with the inner part is embedded in the central position of the bottom of the valve body (1), a shunt pipe (4) communicated with the inner part is further symmetrically embedded in the outer wall of the circumference of the valve body (1), a ring-shaped groove (10) is formed in the top of the valve body (1), a sealing cover (2) is arranged above the valve body (1), a sealing rubber gasket (22) is further arranged at the position, corresponding to the ring-shaped groove (10), of the lower surface of the sealing cover (2), a plurality of first through holes (20) are further formed in the upper surface of the sealing cover (2) close to the edge, first fastening bolts (21) are respectively arranged in the first through holes (20), first threaded holes (11) are further formed in the position, corresponding to the first through holes (20), and a rotating column (6) is further arranged in the central position of the upper surface of the sealing cover (2), the rotary column is characterized in that a pointing needle (60) is arranged at the top of the rotary column (6), the rotary column (6) penetrates through the sealing cover (2), a limiting ring (61) is sleeved on the rotary column (6), a blocking block (62) is arranged at the bottom of the rotary column (6), a fixing column (7) is further installed at the center of the upper surface of the sealing cover (2), and the rotary column (6) penetrates through the fixing column (7).

2. The improved reversing valve of claim 1, wherein: intake pipe (3) and valve body (1) welded fastening, be close to bottom position on intake pipe (3) circumference outer wall and still inlay and be equipped with first flange (30), first flange (30) and intake pipe (3) welded fastening.

3. The improved reversing valve of claim 1, wherein: shunt tubes (4) and valve body (1) welded fastening, be close to tip position on shunt tubes (4) circumference outer wall and still inlay and be equipped with second flange (40), second flange (40) and shunt tubes (4) welded fastening.

4. The improved reversing valve of claim 1, wherein: the diameter of the sealing rubber gasket (22) is matched with that of the annular groove (10), the sealing rubber gasket (22) is fixedly bonded with the sealing cover (2), the aperture of the first through hole (20) is matched with that of the first fastening bolt (21), and the diameter of the first fastening bolt (21) is matched with that of the first threaded hole (11).

5. The improved reversing valve of claim 1, wherein: directional needle (60) and column spinner (6) welded fastening, blocking piece (62) are corresponding with the position of directional needle (60), blocking piece (62) are the circular arc platelike, blocking piece (62) and column spinner (6) welded fastening, spacing ring (61) and column spinner (6) welded fastening, two spacing ring (61) and sealed (2) both sides face are closely laminated.

6. The improved reversing valve of claim 1, wherein: a rotary groove (70) is formed in the middle of the fixing column (7), a plurality of second through holes (73) are formed in the position, close to the bottom, of the outer circumferential wall of the fixing column (7), third fastening bolts (74) are arranged in the second through holes (73), third threaded holes (71) are formed in the position, close to the top, of the outer circumferential wall of the fixing column (7), and second fastening bolts (72) are arranged in the third threaded holes (71).

7. The improved reversing valve of claim 6, wherein: the position, corresponding to the second through hole (73), of the sealing cover (2) is further provided with a second threaded hole (23), and the diameter of the third fastening bolt (74) is matched with the aperture of the second threaded hole (23).