CN212360985U

CN212360985U - Valve structure capable of limiting

Info

Publication number: CN212360985U
Application number: CN202020521883.1U
Authority: CN
Inventors: 牛草园
Original assignee: Individual
Current assignee: Cixi Weida Plastic Products Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-01-15
Anticipated expiration: 2030-04-10

Abstract

The utility model belongs to the technical field of the valve, especially, can spacing valve structure, which comprises a valve body, the valve rod of setting on the valve body and the hand wheel of fixed connection on the valve rod top, top one side fixedly connected with trapezoidal plate of valve body, the front side top of trapezoidal plate is rotated and is connected with the depression bar, the top one side welding of depression bar has the projection, a plurality of arc type grooves with projection looks adaptation are seted up in the bottom four corners of hand wheel, the top of projection set up to hemisphere type structure extend to corresponding arc type inslot and with arc type groove activity butt, the bottom central point of depression bar welds there is the sleeve, slide bar and spring have been cup jointed in telescopic inboard slip, the bottom of slide bar set up to hemisphere type structure and with the top side activity butt of valve body. The utility model relates to a rationally, after the interior fluidic velocity of flow of hand wheel and valve rod rotation and adjusting valve body, deflect through the depression bar alright go into the projection card in the hand wheel to fix the position of hand wheel and valve rod, the valve rod can not be bumped because of the mistake and change.

Description

Valve structure capable of limiting

Technical Field

The utility model relates to the technical field of valves, especially, relate to a valve structure that can be spacing.

Background

For rotary opening and closing valves such as a soft seal butterfly valve, an unlimited butterfly valve and a ball valve, on-site installation finds that when the valve is installed on a pipeline 91, the valve plate or the ball center cannot be seen to be opened or closed, and only a scribed line 93 is arranged on the top surface of a corresponding valve shaft 92 connected with an actuator to judge the position of the valve plate or the ball center. Through retrieval, the Chinese patent with the publication number of CN209569402U discloses a rotary valve with an installation limiting structure, wherein a 1/4 round through groove is vertically formed on the end surface of a flange connection actuator, a sector area is formed by the circular arc of the through groove on the same end surface of a flange, a groove is milled, and the starting and stopping positions of the through groove respectively correspond to the full opening/closing positions of a valve core; the limiting pointer comprises a front section, a middle section and a rear section, the rear section is located in the groove, one end of the rear section is fixed with the valve shaft, the other end of the rear section is vertically fixed with the middle section, the middle section is penetrated out downwards through the through groove, the lower end of the middle section is vertically fixed with the front section, the other end of the front section extends out of the flange, the plane where the limiting pointer is located is coplanar with the axis of the valve shaft, and the valve core is just in a full opening/closing position when the limiting pointer is limited by the through groove at the joint. The design is characterized in that the valve cannot be adjusted to an over-opening or over-closing position during debugging before the actuator is installed, and the full-opening/closing position is easily achieved, so that the problem that the valve is connected with the actuator in the over-closing/opening position is solved.

However, when the flow rate of the fluid is too fast, the existing valve generates high-frequency vibration, which causes the valve rod to deflect, changes the flow rate of the fluid and is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a valve structure capable of limiting.

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

the utility model provides a valve structure that can be spacing, includes the valve body, sets up valve rod and the hand wheel of fixed connection on the valve rod top on the valve body, top one side fixedly connected with trapezoidal board of valve body, the front side top of trapezoidal board is rotated and is connected with the depression bar, top one side welding of depression bar has the projection, a plurality of arc type grooves with projection looks adaptation are seted up in the bottom four corners of hand wheel, the top of projection set up to hemisphere type structure extend to corresponding arc type inslot and with arc type groove activity butt, the bottom central point welding of depression bar has the sleeve, slide bar and spring have been cup jointed in telescopic inboard slip, the bottom of slide bar set up to hemisphere type structure and with the top side activity butt of valve body, the top of slide bar and the bottom activity butt of spring, the top of spring and the bottom activity butt of depression bar.

Preferably, the bottom of the front side of the trapezoidal plate is welded with two stop levers, the two stop levers are symmetrically arranged, and the sleeve is located between the two stop levers and movably abutted against the stop lever located on the left side so as to limit the deflection range of the sleeve.

Preferably, the top of valve body is provided with the chimb, the bottom of slide bar and the top side activity butt of chimb, the slide bar can not slide the chimb by oneself.

Preferably, the front side top welding of trapezoidal board has the round axle, the depression bar rotates to cup joint in the outside of round axle, conveniently rotates the depression bar and sets up on trapezoidal board.

Preferably, the outer side of the circular shaft and the outer side of the sliding rod are both coated with lubricating grease, so that the frictional resistance is reduced.

The utility model discloses a spacing valve structure, through when the fluidic velocity of flow in the valve body needs to be adjusted, the right-hand member position of depression bar is pulled to the upper lift, the depression bar can carry out small-amplitude anticlockwise deflection, the depression bar drives the projection and moves down and separates with the arc type groove, relieve the locking effect to the hand wheel, the depression bar drives the bottom of sleeve and slide bar and slides the chimb to the right side, after the slide bar slides the chimb, the outside of sleeve can butt on the pin that is located the right side;

in the limitable valve structure of the utility model, the hand wheel drives the valve rod to rotate by rotating the hand wheel so as to adjust the flow rate of fluid in the valve body, after the adjustment is finished, the right end of the pressure rod is pressed downwards, the pressure rod drives the bottom end of the slide rod to slide leftwards through the convex edge through the sleeve, the left end of the pressure rod drives the convex column to be upwards clamped into one of the arc-shaped grooves, so that the positions of the hand wheel and the valve rod can be locked again so as to fix the flow rate of the fluid in the valve body;

the utility model relates to a rationally, after the interior fluidic velocity of flow of hand wheel and valve rod rotation and adjusting valve body, deflect through the depression bar alright go into the projection card in the hand wheel to fix the position of hand wheel and valve rod, the valve rod can not be bumped because of the mistake and change.

Drawings

Fig. 1 is a schematic structural diagram of a valve structure capable of limiting position according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a valve structure capable of limiting.

In the figure: 1. a valve body; 2. a valve stem; 3. a hand wheel; 4. a trapezoidal plate; 5. a pressure lever; 6. a convex column; 7. an arc-shaped groove; 8. a sleeve; 9. a slide bar; 10. a spring; 11. a convex edge; 12. a stop lever; 13. a circular shaft.

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 limitable valve structure comprises a valve body 1, set up valve rod 2 and the hand wheel 3 of fixed connection on valve rod 2 top on valve body 1, top one side fixedly connected with trapezoidal plate 4 of valve body 1, the front side top of trapezoidal plate 4 is rotated and is connected with depression bar 5, top one side welding of depression bar 5 has projection 6, a plurality of arc type grooves 7 with 6 looks adaptations of projection are seted up in the bottom four corners of hand wheel 3, the top of projection 6 sets up to hemisphere type structure extend to corresponding arc type groove 7 in and with the 7 movable butt in arc type groove, the bottom central point welding of depression bar 5 has sleeve 8, slide bar 9 and spring 10 have been cup jointed in the inboard slip of sleeve 8, the bottom of slide bar 9 sets up to hemisphere type structure and with valve body 1's top side movable butt, the top of slide bar 9 and spring 10's bottom movable butt, spring 10's top and depression bar 5's bottom movable butt.

The utility model discloses in, the welding of the front side bottom of trapezoidal board 4 has two pin 12, and two pin 12 symmetries set up, and sleeve 8 is located between two pin 12 and with be located left pin 12 activity butt for the scope of deflecting of restriction sleeve 8.

The utility model discloses in, the top of valve body 1 is provided with chimb 11, and slide bar 9's bottom and the top side activity butt of chimb 11, slide bar 9 can not slide chimb 11 by oneself.

The utility model discloses in, the welding of the front side top of trapezoidal board 4 has round axle 13, and depression bar 5 rotates and cup joints in the outside of round axle 13, and the convenience rotates depression bar 5 and sets up on trapezoidal board 4.

The utility model discloses in, the outside of round axle 13 and the outside of slide bar 9 all are scribbled lubricating grease, reduce frictional resistance.

In the utility model, in the using process, when the flow velocity of the fluid in the valve body 1 needs to be adjusted, the right end part of the compression bar 5 is lifted upwards firstly, the compression bar 5 can perform small-amplitude anticlockwise deflection, at the moment, the compression bar 5 drives the convex column 6 to move downwards and separate from the arc-shaped groove 7, the locking effect on the hand wheel 3 is removed, the compression bar 5 drives the sleeve 8 and the bottom end of the slide bar 9 to slide through the convex edge 11 towards the right side, after the slide bar 9 slides through the convex edge 11, the outer side of the sleeve 8 can be abutted against the stop lever 12 on the right side, at the moment, the hand wheel 3 can be rotated, the hand wheel 3 drives the valve rod 2 to rotate so as to adjust the flow velocity of the fluid in the valve body 1, after the adjustment is finished, the right end of the compression bar 5 is pressed downwards, the compression bar 5 drives the bottom end of the slide bar 9 to slide through the sleeve 8 to slide through the convex edge 11, to fix the flow rate of the fluid in the valve body 1.

The utility model discloses the standard part that uses all can purchase from the market, and the profile shapes all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims

1. The valve structure capable of limiting comprises a valve body (1), a valve rod (2) arranged on the valve body (1) and a hand wheel (3) fixedly connected to the top end of the valve rod (2), and is characterized in that a trapezoidal plate (4) is fixedly connected to one side of the top of the valve body (1), a pressure lever (5) is rotatably connected to the top of the front side of the trapezoidal plate (4), a convex column (6) is welded to one side of the top of the pressure lever (5), a plurality of arc-shaped grooves (7) matched with the convex column (6) are formed in four corners of the bottom of the hand wheel (3), the top end of the convex column (6) is arranged in a hemispherical structure, extends into the corresponding arc-shaped groove (7) and is movably abutted against the arc-shaped groove (7), a sleeve (8) is welded to the central position of the bottom of the pressure lever (5), and a slide rod (9) and a spring (10) are, the bottom of slide bar (9) sets up to hemisphere type structure and with the top side activity butt of valve body (1), the top of slide bar (9) and the bottom activity butt of spring (10), the top of spring (10) and the bottom activity butt of depression bar (5).

2. The position limitable valve structure according to claim 1, wherein two stop rods (12) are welded at the bottom of the front side of the trapezoidal plate (4), the two stop rods (12) are symmetrically arranged, and the sleeve (8) is located between the two stop rods (12) and movably abutted against the stop rod (12) located on the left side.

3. The position-limitable valve structure according to claim 1, characterized in that a convex edge (11) is arranged at the top of the valve body (1), and the bottom end of the sliding rod (9) is movably abutted against the top side of the convex edge (11).

4. The position-limitable valve structure according to claim 1, wherein a round shaft (13) is welded on the top of the front side of the trapezoidal plate (4), and the pressure lever (5) is rotatably sleeved on the outer side of the round shaft (13).

5. Limitable valve structure according to claim 4, characterized in that the outside of the round shaft (13) and the outside of the sliding rod (9) are coated with grease.