CN214946699U

CN214946699U - Stop valve with long service life

Info

Publication number: CN214946699U
Application number: CN202121319115.9U
Authority: CN
Inventors: 金俊伟
Original assignee: Zhejiang Jinlong Copper Industry Co ltd
Current assignee: Zhejiang Jinlong Copper Industry Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-30
Anticipated expiration: 2031-06-15

Abstract

The utility model provides a stop valve with long-life, including the valve body, with valve body fixed connection's valve gap and install the cylindric locating piece in the valve body, the one end fixedly connected with inlet of valve gap is kept away from to the valve body, the valve body is kept away from the one end surface mounting of valve gap and is had the liquid outlet, the cylinder of laminating mutually with the valve body internal surface is inserted to the ann in the valve body, locating piece slidable mounting is internal at the drum, a plurality of detachable round pin post is evenly installed to the cylinder upper end, a plurality of and round pin post matched with pinhole have evenly been seted up to the valve gap lower surface, the round pin post is inserted in the pinhole, the through-hole that coincides mutually with the liquid outlet is seted up to cylinder lower extreme surface, compare with prior art, the utility model discloses following beneficial effect has: the inner wall of the valve body is prevented from being abraded by particle impurities in the medium.

Description

Stop valve with long service life

Technical Field

The utility model relates to a stop valve with long-life belongs to valve technical field.

Background

The valve plays an important role in cutting off and throttling the medium in the pipeline where the valve is located, and the stop valve is used as an extremely important cut-off valve.

Chinese utility model patent publication No. CN204153270U discloses an angle stop valve with good sealing performance and long service life, which describes: the valve rod lower extreme is connected with valve rod displacement locating piece, and valve rod displacement locating piece is solid cylinder, its and the inner wall clearance fit who is columniform valve body cavity, and its weak point that exists is: after the particle impurities in the medium enter between the positioning block and the inner wall of the valve body, the particle impurities easily wear the inner wall of the valve body, and the service life of the valve body is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stop valve with long-life to solve the problem that proposes in the above-mentioned background art, the utility model discloses realize preventing the granule impurity wearing and tearing valve body inner wall in the medium.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a stop valve with long life, includes the valve body, with valve body fixed connection's valve gap and install the cylindric locating piece in the valve body, the valve body is kept away from the one end fixedly connected with inlet of valve gap, the valve body is kept away from the one end surface mounting of valve gap has the liquid outlet, the cylinder of laminating mutually with the valve body internal surface is inserted to the ann in the valve body, locating piece slidable mounting is in the cylinder, a plurality of detachable round pin post is evenly installed to the cylinder upper end, a plurality of and round pin post matched with pinhole have evenly been seted up to the valve gap lower surface, round pin post assigns in the pinhole, the through-hole of coinciding mutually with the liquid outlet is seted up to cylinder lower extreme surface.

Further, locating piece surface mounting has the connection pad, fixed surface is connected with the valve rod on the connection pad, the valve rod upper end runs through the valve gap and extends to the valve gap upside.

Further, the valve rod is sleeved with a barrel sleeve, the barrel sleeve is fixed to the upper surface of the valve cover, a plurality of second sealing rings are installed in the barrel sleeve, and the second sealing rings are sleeved on the valve rod.

Further, a sealing groove is formed in one surface, facing the valve cover, of the valve body, and a first sealing ring attached to the valve cover is arranged in the sealing groove.

Furthermore, the position of the cylinder body for installing the pin column is provided with a threaded blind hole, the outer surface of the lower end of the pin column is provided with an external thread, and the lower end of the pin column is in threaded connection with the threaded blind hole.

Furthermore, the outer surface of one end of the pin far away from the cylinder is provided with a through hole for inserting the extension bar.

Furthermore, a valve clack is installed on one surface, facing the liquid inlet, of the positioning block, and a valve seat matched with the valve clack is installed at a position, close to the liquid inlet, in the valve body.

Furthermore, the outer surface of one end, close to the valve cover, of the valve body is fixedly connected with a ring edge, and the ring edge is fixedly connected with the valve cover through a connecting bolt.

Further, the liquid inlet and the valve body are of an integrally formed structure, and external threads are machined on the outer surface of the liquid inlet.

Further, the liquid outlet and the valve body are of an integrally formed structure, and external threads are machined on the outer surface of the liquid outlet.

The utility model has the advantages that: insert the cylinder in the valve body to make the round pin post on the cylinder assign in the pinhole on the valve gap, accomplish being connected of cylinder and valve body, realize installing protective structure between valve body and locating piece, when the cylinder receives wearing and tearing to damage, can change the cylinder after pulling down the valve gap, prevent that the valve body inner wall from being worn and torn by the particulate matter in the medium, the life of extension valve body.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a stop valve with a long service life according to the present invention;

FIG. 2 is a cross-sectional view of a cylinder in a stop valve with a long life according to the present invention;

FIG. 3 is a cross-sectional view of a valve cover of a stop valve having a long life according to the present invention;

FIG. 4 is a perspective view of a pin in a stop valve having a long life according to the present invention;

in the figure: 1-valve body, 2-positioning block, 3-connecting disc, 4-cylinder, 5-ring edge, 6-first sealing ring, 7-connecting bolt, 8-second sealing ring, 9-cylinder sleeve, 10-valve cover, 11-pin column, 12-valve rod, 13-liquid outlet, 14-through hole, 15-liquid inlet, 16-valve seat, 17-valve flap, 18-thread blind hole, 19-pin hole and 20-through hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a stop valve with long-life, includes valve body 1, with 1 fixed connection's of valve body valve gap 10 and install the cylindric locating piece 2 in valve body 1, the one end fixedly connected with inlet 15 of valve gap 10 is kept away from to valve body 1, inlet 15 and valve body 1 be the integrated into one piece structure, and 15 surface processing of inlet have the external screw thread, process the external screw thread on inlet 15, be convenient for the inlet 15 with be connected of pipeline.

The one end surface mounting that valve gap 10 was kept away from to valve body 1 has liquid outlet 13, and liquid outlet 13 and valve body 1 are the integrated into one piece structure, and liquid outlet 13 surface processing has the external screw thread, processes the external screw thread on liquid outlet 13, the liquid outlet 13 of being convenient for and the being connected of pipeline.

The outer surface of one end, close to the valve cover 10, of the valve body 1 is fixedly connected with a ring edge 5, the ring edge 5 is fixedly connected with the valve cover 10 through a connecting bolt 7, the ring edge 5 and the valve cover 10 are connected through the connecting bolt 7, and the connection between the valve cover 10 and the valve body 1 is completed.

Install the cylinder 4 of laminating mutually with 1 internal surface of valve body in the

valve body

1, 2 slidable mounting of locating piece are in cylinder 4, a plurality of detachable round pin post 11 is evenly installed to 4 upper ends of cylinder, a plurality of and round pin post 11 matched with pinhole 19 are evenly seted up to valve gap 10 lower surface, round pin post 11 is inserted in pinhole 19, with cylinder 4 insert in valve body 1, and make round pin post 11 on the cylinder 4 insert in pinhole 19 on valve gap 10, accomplish being connected of cylinder 4 and valve body 1, realize installing protective structure between valve body 1 and locating piece 2, when cylinder 4 receives wearing and tearing damage, can change cylinder 4 after pulling down valve gap 10, prevent that 1 inner wall of valve body from being worn and torn by the particulate matter in the medium, prolong the life of valve body 1.

The outer surface of the lower end of the cylinder 4 is provided with a through hole 14 coinciding with the liquid outlet 13, and the through hole 14 is convenient for the communication between the cylinder 4 and the liquid outlet 13.

Threaded blind hole 18 has been seted up to the position department of 4 installation round pin posts 11 of cylinder, and 11 lower extreme surface processing of round pin post has the external screw thread, and 11 lower extreme threaded connection of round pin post are in threaded blind hole 18, and the one end of 11 processing external screw threads of round pin post is twisted in threaded blind hole 18, the dismouting of the round pin post 11 of being convenient for and cylinder 4.

The outer surface of one end of the pin 11, which is far away from the cylinder 4, is provided with a through hole 20 for inserting the extension bar, and the extension bar is inserted into the through hole 20, so that the pin 11 is rotated by the extension bar.

The upper surface of the positioning block 2 is provided with a connecting disc 3, the upper surface of the connecting disc 3 is fixedly connected with a valve rod 12, the upper end of the valve rod 12 penetrates through the valve cover 10 and extends to the upper side of the valve cover 10, the connecting disc 3 is installed on the positioning block 2 through bolts, and the connection of the valve rod 12 and the positioning block 2 is completed.

The sleeve 9 is sleeved on the valve rod 12, the sleeve 9 is fixed on the upper surface of the valve cover 10, the plurality of second sealing rings 8 are installed in the sleeve 9, the second sealing rings 8 are sleeved on the valve rod 12, the second sealing rings 8 are installed between the valve rod 12 and the sleeve 9, and the sealing performance between the valve rod 12 and the sleeve 9 is improved.

The one side that the valve body 1 faced valve gap 10 has seted up the seal groove, is equipped with the first sealing washer 6 of laminating mutually with valve gap 10 in the seal groove, installs the sealing washer between valve body 1 and valve gap 10, improves the leakproofness between valve body 1 and the valve gap 10.

The valve clack 17 is installed to the one side of locating piece 2 towards inlet 15, and the position department of being close to inlet 15 in the valve body 1 installs the disk seat 16 with valve clack 17 matched with, and valve clack 17 and disk seat 16 combined action realize the shutoff to inlet 15.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stop valve with long-life, includes valve body (1), valve gap (10) and the cylindric locating piece (2) of installing in valve body (1) with valve body (1) fixed connection, its characterized in that: valve gap (10) is kept away from in valve body (1) one end fixedly connected with inlet (15), valve body (1) keeps away from the one end surface mounting of valve gap (10) has liquid outlet (13), cylinder (4) of laminating mutually with valve body (1) internal surface have been inserted in valve body (1), locating piece (2) slidable mounting is in cylinder (4), a plurality of detachable round pin post (11) are evenly installed to cylinder (4) upper end, a plurality of and round pin post (11) matched with pinhole (19) have evenly been seted up to valve gap (10) lower surface, round pin post (11) are inserted in pinhole (19), through-hole (14) with liquid outlet (13) coincidence are seted up to cylinder (4) lower extreme surface.

2. A stop valve with long life as claimed in claim 1, wherein: locating piece (2) upper surface mounting has connection pad (3), fixed surface is connected with valve rod (12) on connection pad (3), valve rod (12) upper end runs through valve gap (10) and extends to valve gap (10) upside.

3. A stop valve with long life as claimed in claim 2, wherein: the novel valve is characterized in that a sleeve (9) is sleeved on the valve rod (12), the sleeve (9) is fixed on the upper surface of the valve cover (10), a plurality of second sealing rings (8) are installed in the sleeve (9), and the valve rod (12) is sleeved with the second sealing rings (8).

4. A stop valve with long life as claimed in claim 1, wherein: the valve body (1) has been seted up the seal groove towards the one side of valve gap (10), be equipped with in the seal groove with valve gap (10) laminating mutually first sealing washer (6).

5. A stop valve with long life as claimed in claim 1, wherein: threaded blind holes (18) are formed in the positions, where the pin columns (11) are installed, of the cylinder body (4), external threads are machined on the outer surfaces of the lower ends of the pin columns (11), and the lower ends of the pin columns (11) are connected into the threaded blind holes (18) in a threaded mode.

6. A stop valve with long life as claimed in claim 1, wherein: the outer surface of one end of the pin column (11) far away from the cylinder body (4) is provided with a through-inserting hole (20) for inserting the extension bar.

7. A stop valve with long life as claimed in claim 1, wherein: valve clack (17) are installed to locating piece (2) one side towards inlet (15), be close to position department of inlet (15) in valve body (1) and install disk seat (16) with valve clack (17) matched with.

8. A stop valve with long life as claimed in claim 1, wherein: the outer surface of one end, close to the valve cover (10), of the valve body (1) is fixedly connected with a ring edge (5), and the ring edge (5) is fixedly connected with the valve cover (10) through a connecting bolt (7).

9. A stop valve with long life as claimed in claim 1, wherein: the liquid inlet (15) and the valve body (1) are of an integrally formed structure, and external threads are machined on the outer surface of the liquid inlet (15).

10. A stop valve with long life as claimed in claim 1, wherein: the liquid outlet (13) and the valve body (1) are of an integrated structure, and external threads are machined on the outer surface of the liquid outlet (13).