CN213871373U

CN213871373U - Double-guide structure valve

Info

Publication number: CN213871373U
Application number: CN202022430579.9U
Authority: CN
Inventors: 邹积威
Original assignee: Weihai Weiao Intelligent Technology Co ltd
Current assignee: Weihai Weiao Intelligent Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-03
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a two guide structure valves, which comprises a valve body, the middle part of valve body is equipped with the valve rod, the inside of valve rod is equipped with the recess, in the valve rod was located to the lower extreme of recess, the upper end that the valve rod was passed to the upper end of recess communicates with each other with the external world, be equipped with outer telescopic link in the recess, the inside of outer telescopic link is equipped with movable chamber, the inside in activity chamber is equipped with interior telescopic link, the upper end fixedly connected with limiting plate of interior telescopic link, the upper end in activity chamber is located to the limiting plate, the lower extreme in activity chamber passes outer telescopic link and communicates with each other with the external world, the lower extreme of interior telescopic link passes outer telescopic link and contacts with the valve rod, the upper portion of valve rod is equipped with the jack, the jack is circular with the cross-section of recess. The utility model discloses a set up collapsible and can avoid the personnel mistake of coming and going to bump the control lever in the valve rod to influence the use of valve.

Description

Double-guide structure valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a two guide structure valves.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The traditional ball valve rod adopts a single packing sealing structure, and under the condition that errors exist in valve processing or assembling, a ball body deviates from a center, and the valve rod deviates due to traction of the ball body, so that the torque is increased or the seizure phenomenon occurs in the valve operation process, and the service performance of the valve is seriously influenced.

The publication number CN203363399U provides a double-guide structure valve, including valve body and valve rod, the installation passageway on the valve body is passed to the valve rod, the cooperation department of valve rod and valve body has the sealed packing chamber of annular distribution, is provided with the gland packing in the sealed packing chamber, the sealed packing chamber includes first sealed packing chamber and the second sealed packing chamber that top-down set up, be provided with the gland packing in the first sealed packing chamber, the seal block includes first seal block and second seal block, first seal block sets up in the upper end in first sealed packing chamber, the second seal block sets up in the lower extreme in second sealed packing chamber. However, the control rod fixedly connected with the upper end of the valve rod is externally arranged at the upper end of the valve rod, so that the valve rod is easy to be touched by the mistake of the coming and going personnel when in use, and the valve rod is rotated to influence the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art valve rod's upper end fixed connection's control lever external in the valve rod upper end, when using, receive the mistake of coming and going personnel easily and bump for the valve rod rotates, influences the problem of using, and the two guide structure valves that propose.

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

the utility model provides a two guide structure valves, includes the valve body, the middle part of valve body is equipped with the valve rod, the inside of valve rod is equipped with the recess, in the valve rod was located to the lower extreme of recess, the upper end that the valve rod was passed to the upper end of recess communicates with each other with the external world, be equipped with outer telescopic link in the recess, the inside of outer telescopic link is equipped with movable chamber, the inside in activity chamber is equipped with interior telescopic link, the upper end fixedly connected with limiting plate of interior telescopic link, the upper end in activity chamber is located to the limiting plate, the lower extreme in activity chamber passes outer telescopic link and communicates with each other with the external world, the lower extreme of interior telescopic link passes outer telescopic link and contacts with the valve rod, the upper portion of valve rod is equipped with the jack, the jack is circular with the cross-section of recess.

In the above valve with a double-guide structure, the outer telescopic rod is in contact connection with the valve rod, and the outer telescopic rod and the inner telescopic rod are made of metal materials.

In the above valve with double guide structures, the radius of the inner telescopic rod is matched with the radius of the insertion hole, and the insertion hole and the groove are vertically arranged.

In the above-mentioned double-guide structure valve, the upper end side that the valve rod passed the valve body is equipped with the pilot line, the upper end ring side of valve rod is equipped with the indicator board, the middle part upper end fixed connection of indicator board and valve body.

In the above valve with a double-guide structure, the upper end of the outer telescopic rod penetrates through the valve rod and is fixedly connected with the blocking piece, the upper end of the valve rod is in threaded connection with the twisting cover, and the position, close to the blocking piece, of the lower side of the twisting cover is provided with the blocking piece groove.

In the above valve with double guide structures, the ring side of the twisting cover is provided with anti-slip lines.

Compared with the prior art, the utility model discloses possess following advantage:

1. the outer telescopic rod and the inner telescopic rod are arranged in the valve rod, when the valve rod needs to be rotated, the outer telescopic rod and the inner telescopic rod can be pulled out of the groove and inserted into the jack, and the valve rod is convenient to control to rotate; when the valve rod is not used, only the outer telescopic rod and the inner telescopic rod are required to be inserted into the valve rod, the problem that the valve rod is rotated to influence the use of the valve due to the fact that the coming and going personnel mistakenly touch the valve rod can be effectively avoided, and the reliability of the valve is effectively guaranteed.

2. The upper end threaded connection who turns round lid and valve rod sets up, and when not using the valve rod, the accessible covers the mode of turning round the lid, avoids outer telescopic link to break away from in the valve rod, avoids outer telescopic link to lose, sets up the separation blade and is in the upper end of outer telescopic link, can be convenient for pull out in the recess with outer telescopic link.

3. Set up the indicator panel and be in the ring side of valve rod, the side of valve rod is equipped with the pilot line, and when the rotation valve rod, the operating personnel that can be convenient for observe the valve situation is used in the cooperation of accessible pilot line and indicator panel.

Drawings

Fig. 1 is a schematic structural view of a valve with a double-guide structure according to the present invention;

fig. 2 is an enlarged schematic view of a point a in fig. 1.

In the figure: the valve comprises a valve body 1, a valve rod 2, a groove 3, an outer telescopic rod 4, a movable cavity 5, an inner telescopic rod 6, a limiting plate 7, an insertion hole 8, a blocking piece 9, a blocking piece groove 10, a torsion cover 11, an anti-skid thread 12 and an indicating plate 13.

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.

Referring to fig. 1-2, a valve with a double guide structure comprises a valve body 1, a valve rod 2 is arranged in the middle of the valve body 1, the valve rod 2 is arranged in the middle of the upper part of the valve body 1, and the valve core in the valve body 1 can be controlled to operate by rotating the valve rod 2, which is not explained in detail in the prior art, a groove 3 is arranged in the valve rod 2, the lower end of the groove 3 is arranged in the valve rod 2, the upper end of the groove 3 passes through the upper end of the valve rod 2 and is communicated with the outside, an outer telescopic rod 4 is arranged in the groove 3, the outer telescopic rod 4 can be accommodated in the groove 3 and is convenient to take out, a movable cavity 5 is arranged in the outer telescopic rod 4, an inner telescopic rod 6 is arranged in the movable cavity 5, the inner telescopic rod 6 and the outer telescopic rod 4 can be stretched when in use, the length of the force arm is improved, the driving force is reduced, a limit plate 7 is fixedly connected to the upper end of the inner telescopic rod 6, the limit plate 7 is arranged at the upper end of the movable cavity 5, set up limiting plate 7 and can avoid interior telescopic link 6 excessive movement, the lower extreme in activity chamber 5 passes outer telescopic link 4 and communicates with each other with the external world, be convenient for pull out interior telescopic link 6 from activity chamber 5, the lower extreme of interior telescopic link 6 passes outer telescopic link 4 and contacts with valve rod 2, the upper portion of valve rod 2 is equipped with jack 8, jack 8 is circular with recess 3's cross-section, through inserting interior telescopic link 6 and put in jack 8, the operating personnel that can be convenient for rotates valve rod 2.

Contact between outer telescopic link 4 and the valve rod 2 is connected, when not rotating valve rod 2, inserts outer telescopic link 4 and puts in recess 3, can improve the bulk strength of valve rod 2, and outer telescopic link 4 and interior telescopic link 6 adopt metal material.

The radius of interior telescopic link 6 and the radius phase-match of jack 8 set up perpendicularly between jack 8 and the recess 3, insert interior telescopic link 6 and put can be convenient for operating personnel rotation valve rod 2 in jack 8.

The upper end side that valve rod 2 passed valve body 1 is equipped with the pilot line, and the upper end ring side of valve rod 2 is equipped with indicator plate 13, and indicator plate 13 and the middle part upper end fixed connection of valve body 1 when rotating valve rod 2, the cooperation of accessible pilot line and indicator plate 13 is used and can be convenient for operating personnel observes the valve situation.

Valve rod 2 fixedly connected with separation blade 9 is passed to the upper end of outer telescopic link 4, can be convenient for take out outer telescopic link 4 through separation blade 9, the upper end threaded connection of valve rod 2 has and turns round lid 11, the setting is turned round lid 11 and can be avoided outer telescopic link 4 to deviate from the loss in the valve rod 2, avoid the personnel of coming and going to touch the valve, the downside of turning round lid 11 is equipped with separation blade groove 10 near the position of separation blade 9, the ring side of turning round lid 11 is equipped with anti-skidding line 12, it can be convenient for rotate and turn round lid 11 to set up anti-skidding line 12.

The working principle is as follows:

when needing the adjustment valve, turn round lid 11 through 12 rotations, pull out outer telescopic link 4 and interior telescopic link 6 from recess 3 through separation blade 9, pull out interior telescopic link 6 from activity chamber 5, make outer telescopic link 4 and interior telescopic link 6 extension, the one end that keeps away from limiting plate 7 with interior telescopic link 6 is inserted and is put to suitable position in jack 8, keep away from the one end application of force of interior telescopic link 6 from outer telescopic link 4, control valve rod 2 rotates, scale mark and indicator plate 13 cooperation through valve rod 2 side are used simultaneously, adjustment valve rod 2 to suitable position, after the adjustment finishes, place outer telescopic link 4 and interior telescopic link 6 in recess 3 according to opposite step, it can to turn round lid 11 on covering.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a two guide structure valves, includes valve body (1), its characterized in that, the middle part of valve body (1) is equipped with valve rod (2), the inside of valve rod (2) is equipped with recess (3), the lower extreme of recess (3) is located in valve rod (2), the upper end that the upper end of recess (3) passed valve rod (2) communicates with each other with the external world, be equipped with outer telescopic link (4) in recess (3), the inside of outer telescopic link (4) is equipped with movable chamber (5), the inside of movable chamber (5) is equipped with interior telescopic link (6), the upper end fixedly connected with limiting plate (7) of interior telescopic link (6), the upper end in movable chamber (5) is located to limiting plate (7), the lower extreme in movable chamber (5) passes outer telescopic link (4) and communicates with each other with the external world, the lower extreme of interior telescopic link (6) passes outer telescopic link (4) and contacts with valve rod (2), the upper portion of valve rod (2) is equipped with jack (8), jack (8) and recess (3) cross-section are circular.

2. A double pilot structure valve according to claim 1, wherein the outer telescopic rod (4) and the valve stem (2) are in contact connection, and the outer telescopic rod (4) and the inner telescopic rod (6) are made of metal.

3. A double pilot structure valve according to claim 1, wherein the radius of the inner telescopic rod (6) matches the radius of the socket (8), the socket (8) being arranged vertically with the groove (3).

4. The double-guide structure valve is characterized in that the valve rod (2) is provided with an indicating line through the upper end side of the valve body (1), an indicating plate (13) is arranged on the upper end annular side of the valve rod (2), and the indicating plate (13) is fixedly connected with the upper end of the middle part of the valve body (1).

5. A double-guide structure valve according to claim 1, wherein the upper end of the outer telescopic rod (4) penetrates through the valve rod (2) and is fixedly connected with a baffle (9), the upper end of the valve rod (2) is in threaded connection with a twist cap (11), and the lower side of the twist cap (11) is provided with a baffle groove (10) at a position close to the baffle (9).

6. A valve of double pilot structure according to claim 5, characterized in that the ring side of the twist cap (11) is provided with anti-slip threads (12).