CN2140451Y

CN2140451Y - Rotating plug valve

Info

Publication number: CN2140451Y
Application number: CN 92241736
Authority: CN
Inventors: 王元恒
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-11-21
Filing date: 1992-11-21
Publication date: 1993-08-18
Anticipated expiration: 2002-11-21

Abstract

The utility model relates to a rotating plug valve which comprises the water tap or the rotating plug of the cutting device. A conical rotating plug is arranged in the conical hole of the valve body; a control rod is elastically pressed and connected with the upper part of the conical rotating plug; the control rod is limited by a limiting thread block and is fixed and locked by a lock nut; a handle is connected with the upper part of the control rod. The fission design of the control rod and the rotating plug and the elastic compression connection are adopted in the utility model, which causes the rotating plug valve to reach the smooth rotating control under the condition of ensuring that the sealing is good, the adjustment of the rotating plug valve is convenient, and the form of the handle control is novelty and variety.

Description

Rotating plug valve

The utility model relates to a kind of the tap or the cock that comprise shut-off means, and specifically a kind of sealing surface shape is bordering on the stopcock of the conical surface of rotation entity.

The cone stopcock of CN91221854 patent disclosure, has the sealing vertical rod water-tight advantage of growing with working life suitable for reading in the using process, its structure is with the cone of sealing vertical rod by its middle part, taper hole nut and locknut are contained in the cone shape hole of valve body, the following middle part of sealing vertical rod is the taper cock, and handle is equipped with in the upper end.Its deficiency is that the sealing vertical rod is crimped in the valve body by taper hole nut and locknut rigidity, makes the rotation of sealing vertical rod fluent inadequately, and adjusting is also difficult moderate, thereby the phenomenon of the wrinkle of feeling nervous is arranged in using.

The purpose of this utility model just provides a kind of second generation product that overcomes above-mentioned shortcoming, uses with convenient, is convenient to regulate.

The utility model is achieved in that the taper cock is housed in the cone shape hole of valve body, and cone shape hole top is connected with the limiting wire retaining, and locking nut keeps off fixing and locking with limiting wire.In the valve body between cock and limiting wire retaining controlling rod is housed also, its top catcher handle, the lower end has one to be positioned at the cone shape hole of valve body with the round platform of the identical tapering of cock, and the boss of cock end face enters the center hole of controlling rod bottom, is preset with spring in this hole.Like this, original sealing vertical rod is separated into controlling rod and cock, the two makes adjustment very convenient by the spring crimping, makes controlling rod drive cock by Joystick and rotates, realize opening or turn-offing of tap or stopcock.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1, Fig. 2, Fig. 3 are the three-view diagrams of a kind of implementation of the present utility model.

Fig. 4, Fig. 5 are second kind of implementation figure that controlling rod is connected with cock.

Fig. 6 to Figure 12 is four kinds of structural representations that handle of the present utility model changes.

Fig. 1, Fig. 2, the shown a kind of implementation of Fig. 3 are the stopcock that is used for exhaust fluid, and two go sides of its valve body 1 are the right angle form, and there is the outside thread pipeline that can spin horizontal port, and the another port is the type water nozzle that turns round.Taper cock 2 is housed in the cone shape hole on valve body 1 top, and the end opening of cock is communicated with the water nozzle of valve body, and the side opening of cock can communicate with the horizontal port of valve body.When cock 2 during in position shown in Figure 1, the horizontal port of valve body communicates with water nozzle, and fluid is discharged, and after cock turns over 90 ° of angles, blocks valve body two go sides.5 controls of the controlled bar of the rotation of cock, the lower end of controlling rod have one to be positioned at the cone shape hole of valve body 1 with the round platform of cock 2 identical taperings, with further fluid-encapsulated.There is a center square hole controlling rod bottom, and cock 2 end faces have a cube shaped boss.This boss and center square hole engage sleeves connect, and are compressed by the default spring 7 in the square hole of center, realize the controlled rotation of cock.Controlling rod 5 is kept off 3 spacing by the limiting wire on its top, limiting wire retaining 3 is the silk retaining of band taper hole, be spun on the cone shape hole of valve body 1 suitable for reading in.The tapered body in controlling rod 5 middle parts penetrates in the cone shape hole of silk retaining.Both cooperations have prevented when valve opening, and fluid takes place along the phenomenon that overflows on the cone shape hole.The rotary stopper silk keeps off 3, can adjust the impacting force of 5 pairs of cocks of controlling rod, to keep suitable elastic compression power, cock has both been rotated flexibly, has certain sealability again.After adjusting, available locking nut 4 locking limiting wire retainings.The top of controlling rod 5 passes the limiting wire retaining, connects handle 6.Handle 6 is the petal cylinder of a hollow.Be fixed in controlling rod 5 tops by nut 10.Half boss limit 11 is arranged in the lower end of handle cylinder, and there is limiting stopper 12 corresponding position on valve body 1 outer wall.Can mark switch at handle 6 end faces of Fig. 3 and turn to,, and stop after spacing, can open to peak rate of flow or realize ending fully by limiting stopper by this direction rotatable handle.

Provided the another kind of Placement of controlling rod 5 with cock 2 in Fig. 4, Fig. 5, promptly controlling rod 5 bottom center holes are circular hole, and are fixed with pin 8 at opening, and the boss of cock 2 end faces is the cylinder bodily form, but the groove 9 that the middle part has supply and marketing nail 8 to embed.Under the effect of limiting wire retaining and pressure spring 7, also can realize the controlled rotation of cock 2.

Fig. 6 is used for the stopcock that straight line is laid pipeline, and promptly two go sides of valve body 1 are arranged point-blank, and two-port all has screw thread, and pipeline spins.The miscellaneous part structure is all identical with Fig. 1 or stopcock structure shown in Figure 4, and just handle 6 is a handle anyhow, the porose top that is connected controlling rod 5, middle part, thus realize the simplest structural type.

Fig. 7, Fig. 8 have provided a kind of stopcock structure design of remodeling, and two go sides of its valve body 1 are rectangular layouts, and the Placement of cock 2 and controlling rod 5 can be identical with the mode of Fig. 1 or Fig. 4.Limiting wire retaining 3 is a plug, is screwed in the suitable for reading of valve body cone shape hole, withstands on the upper end of controlling rod 5, and handle 6 is connected to the top of controlling rod 5.Handle 6 is a handle anyhow, and the one end passes the semicircle slotted eye 13 on the valve body 1, and level embeds in the top body of rod of controlling rod 5.Pull handle 6 spacing rotation in the semicircle slotted eye, can drive the rotation of controlling rod and cock, realize the valve break-make.For the rotation of guarantee controlling rod is flexible, between limiting wire retaining 3 and controlling rod 5 tops, also accompany spheroid 14.Change the face contact like this and be the some contact, make surface friction drag reduce to minimum.

Fig. 9, Figure 10 are based on the deformation design of Fig. 7 stopcock, and 1 liang of go side of valve body is the right angle form, and cock 2 is the same with the Placement of controlling rod 5, limiting wire retaining 3 tops at controlling rod 5.Controlling rod 5 tops are cone tip shape, and tapered blind hole is left in the bottom of limiting wire retaining 3, entangles the awl point of controlling rod.There is the perpendicular tooth of a circle at the middle part of controlling rod 5.Handle 6 is two staight shanks that a sideband tooth bar is respectively arranged, and inserts in the valve body 1.The tooth bar limit of two staight shanks is relative, and is meshed with the tooth at controlling rod 5 middle parts.Two staight shanks one are for opening handle, and one for turn-offing handle, can be at the outside mark of pommel.Handle is opened in promotion, and controlling rod is rotated, and drives cock and rotates, and also makes the shutoff handle withdraw from valve body simultaneously.Otherwise, promote to turn-off handle, Shuttoff Valve, and withdraw from automatically and open handle.On two staight shanks, stop screw 15 can be set respectively, in case whole staight shank drops out outside the valve body.

Substantially with the structure of Fig. 9, a handle 6 is a staight shank to the structure of Figure 11, Figure 12 stopcock, one side its middle part has a tooth bar, inserts in the valve body 1, and tooth bar is meshed with the tooth at controlling rod 5 middle parts.Outside all extended valve body in the two ends of handle 6, move reciprocatingly and realize the valve break-make.Also stop screw can be set on the staight shank, prevent to withdraw from fully.The round platform of controlling rod 5 lower ends can be made into stepped, makes the round platform frame suitable for reading in the valve body cone shape hole, and is flexible with the rotation that guarantees controlling rod.In the stopcock of this structure,, can be made into that controlling rod and cock are rigidly connected or the all-in-one-piece form for preventing that fluid overflows from cock when go side under the valve body is stopped up.

The utility model is connected with elastic compression with the split-type design of cock by adopting controlling rod, and valve is being guaranteed under the good air-proof condition, has realized level and smooth rotation control, and easy to adjust, and stick control novel form, various is applied widely.

Claims

1, a kind of novel stopcock, taper cock 2 is housed in the cone shape hole of valve body 1, cone shape hole top is connected with limited screw shelves 3, locking nut 4 keeps off 3 fixing and lockings with limiting wire, it is characterized in that in the valve body between cock and limiting wire retaining controlling rod 5 being housed also, the top catcher handle 6 of controlling rod, the lower end has one to be positioned at the cone shape hole of valve body 1 with the round platform of cock 2 identical taperings, the boss of cock 2 end faces enters the center hole of controlling rod 5 bottoms, is preset with spring 7 in this hole.

2, stopcock according to claim 1 is characterized in that controlling rod 5 bottom center holes are square hole, and the boss of cock 2 end faces is cube shaped.

3, stopcock according to claim 1 is characterized in that controlling rod 5 bottom center holes are circular hole, and is fixed with pin 8 at opening that the boss of cock 2 end faces is the cylinder bodily form, but the groove 9 that the middle part has supply and marketing nail 8 to embed.

4, stopcock according to claim 1 is characterized in that the silk retaining of limiting wire retaining 3 for the band taper hole, and the taper at controlling rod 5 middle parts penetrates in the taper hole of silk retaining, its top catcher handle 6.

5, stopcock according to claim 1 is characterized in that limiting wire shelves 3 are a plug, withstands on the upper end of controlling rod 5, and handle 6 is connected to the top of controlling rod.

6, according to claim 1,2,3 or 4 described stopcocks, it is characterized in that handle 6 is the petal cylinder of a hollow, be fixed in controlling rod 5 tops by nut 10, half boss limit 11 is arranged in the lower end of handle cylinder, valve body 1 outer wall has limiting stopper 12.

7,, it is characterized in that handle 6 is a handle anyhow, the porose top that is connected controlling rod 5, middle part according to claim 1,2,3 or 4 described stopcocks.

8, according to claim 1,2,3 or 5 described stopcocks, it is characterized in that handle 6 is a handle anyhow, the one end passes the semicircle slotted eye 13 on the valve body 1, and level embeds in the top body of rod of controlling rod 5, accompanies spheroid 14 between limiting wire retaining 3 and controlling rod top.

9, according to claim 1,2,3 or 5 described stopcocks, it is characterized in that handle 6 is two staight shanks that a sideband tooth bar is respectively arranged, to insert in the valve body 1, the tooth bar limit of two staight shanks is relative, and is meshed with the tooth at controlling rod 5 middle parts.

10, according to claim 1,2,3 or 5 described stopcocks, it is characterized in that handle 6 is a staight shank, one side the middle part has a tooth bar, insert in the valve body 1, tooth bar is meshed with the tooth at controlling rod 5 middle parts.