CN209130191U - A kind of urgent baiting valve of sweeping type of band adapter tube - Google Patents

Abstract

The utility model provides a kind of urgent baiting valve of sweeping type of band adapter tube comprising has a tube socket, the side wall of the adapter tube is equipped with a connector；One connects a valve body, the valve port of the valve seat and the connector connection and one is set to the flap of the valve port with the valve seat of the connector connection, the valve seat, a fracture face is equipped between the flap and the valve port, the flap is connect with a valve rod.The urgent baiting valve of sweeping type with adapter tube in the utility model, in the residual of valve port, impacts the leakproofness of baiting valve after preventing its crystallization, then effectively improves the service life of baiting valve by the setting effectively cutting slurry class medium in fracture face.

Description

A kind of urgent baiting valve of sweeping type of band adapter tube

Technical field

The utility model relates to baiting valve, in particular to a kind of urgent baiting valve of sweeping type of band adapter tube.

Background technique

Slurry class medium medium under its operating condition easily crystallizes, when crystallization medium hair inlet (i.e. near sealing surface) because Crystallisation solidification accumulation, will cause valve tightness problem, the damage of valve is caused to influence its work afterwards.

In the prior art, wider for the sealing surface between the flap and valve port of the valve of slurry class medium, and because of slurry Class medium intrinsic sticky nature inevitably causes material to remain near sealing surface in long-time use process, valve port is caused to be stained with Dye crystallization material, so that the service life of valve is very limited.

Utility model content

The technical problems to be solved in the utility model is to overcome valve sealing face easily residual slurry in the prior art Class medium provides a kind of urgent baiting valve of sweeping type of band adapter tube afterwards since crystallization influences the defect of baiting valve leakproofness.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of urgent baiting valve of sweeping type of band adapter tube comprising have a tube socket, the side wall of the tube socket is equipped with a connection Mouthful；One connects a valve body, the valve port of the valve seat and the connector connection with the valve seat of the connector connection, the valve seat, and One is set to the flap of the valve port, and a fracture face is equipped between the flap and the valve port, and the flap is connect with a valve rod. By effectively being cut off at valve port to medium, blocks it that medium occurs in valve port and remain the possibility crystallized, mention The service life of high urgent baiting valve.

Preferably, the fracture face includes: the taper slope surface of an outer peripheral surface for being located on the flap, the taper slope surface Inclined direction is from the valve port to the valve inner Stepwize Shrink, and the folder of the central axes of the taper slope surface and the flap Angle is 5 ° -60 °.The taper slope surface for being located on flap outer peripheral surface is designed by reasonable acute angle, reaches the mesh of effectively cutting medium , it is ensured that medium will not be remained at entire valve port, it is ensured that the leakproofness between valve port and flap is not by medium influence.

Preferably, the angle of the central axes of the taper slope surface and the flap is 30 °.

Preferably, the fracture face further include one be set to the valve port inner wall cooperation slope surface, the cooperation slope surface and The taper slope surface is adapted.It is cut by what is interacted between the cooperation slope surface and the taper slope surface that are arranged on valve port Shear force achievees the purpose that effectively to cut off medium.

Preferably, the taper slope surface is equipped with the first hard alloy layer, the cooperation slope surface is equipped with the second hard alloy Layer.

Preferably, first hard alloy layer is identical as the hardness of second hard alloy layer.Same rigidity is set Hard alloy layer can simplify processing technology and assembly technology, reduce production cost.

Preferably, first hard alloy layer is different from the hardness of second hard alloy layer.By different hard Degree design, it is ensured that sharp, effective shearing force can be formed between the taper slope surface and the cooperation slope surface, so that slurry class is situated between Matter is fast and effeciently cut off.

Preferably, the width of the taper slope surface is greater than the width of the cooperation slope surface, and first hard alloy layer Hardness be greater than second hard alloy layer hardness.Since the width of taper slope surface is greater than cooperation slope surface width, cone is improved The hardness of shape slope surface can be effectively prevented cooperation slope surface and form scar in taper slope surface when closing, and extend making for flap Use the service life.

Preferably, the hardness of first hard alloy layer be more than or equal to 44, second hard alloy layer it is hard Degree is more than or equal to 40.

Preferably, the fracture face is set on the sealing surface between the flap and the valve port.After strengthening hardness Fracture face play the role of reducing effective sealing surface area, thus overcome in the prior art sealing surface it is wide and cause sticky Slurry class medium is easy the problem of residual.

Preferably, the width in the fracture face is 1-15mm.The fracture face forms effective sealing of the baiting valve Face, therefore the width of existing wider sealing surface is effectively reduced, while ensuring its ability for cutting off medium.

Preferably, one end of the valve rod is connect with the flap, the other end of the valve rod is equipped with an actuator, driving The flap is further drawn close to the valve port.The actuator can apply further to valve port the flap by external force The power of movement cuts off the medium that the valve port has nearby crystallized so that fracture face is further fitted close, and restores valve Leakproofness between mouth and flap, further ensures that the service life of baiting valve.

Preferably, the actuator is driving wheel, the circumferential movement of the driving wheel is converted into the linear fortune of the valve rod It is dynamic.

Preferably, the valve seat is integrally formed with the valve body.

In the utility model, above-mentioned optimum condition on the basis of common knowledge of the art can any combination to get this reality With novel each preferred embodiment.

The positive effect of the utility model is: the urgent baiting valve of sweeping type with adapter tube in the utility model is logical The setting effectively cutting slurry class medium in fracture face is crossed in the residual of valve port, the leakproofness of baiting valve is made after preventing its crystallization At influence, the service life of baiting valve is then effectively improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of an embodiment of the present invention.

Fig. 2 is the portion the A enlarged drawing in Fig. 1.

Specific embodiment

A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.

Embodiment 1

As shown in Figs. 1-2, the urgent baiting valve of sweeping type with adapter tube in the present embodiment has a tube socket 1, in tube socket 1 Side wall is equipped with a connector 11, and the valve port of 11 one valve seat 3 of connection of connector has flap 2, and the one of flap 2 in valve seat 3 End is connect with a valve rod 4, and a driving wheel 5 as actuator is arranged in the end of valve rod 4.Certainly, in other embodiments, It can also be using pneumatic device, hydraulic device or electric device as actuator.

Wherein, fracture face is equipped between the flap 2 and the valve port.The fracture face includes being located on the flap 2 Outer peripheral surface taper slope surface 21, the inclined direction of the taper slope surface 21 is from the valve port to valve inner Stepwize Shrink, and institute The angle for stating the central axes of taper slope surface 21 and the flap 2 is 30 °.Certainly, (it is situated between according to the baiting valve institute Applicable media operating condition The factors such as matter viscosity, actual flow, flow velocity) influence, the angles of the taper slope surface and flap central axes can 5 °- It is selected in the range of 60 °.Cooperation slope surface 31 compatible with taper slope surface is equipped on the inner wall of valve port.When flap and valve When baiting valve is closed in mouthful cooperation, by interacting between the cooperation slope surface 31 and the taper slope surface 21 that are arranged on valve port Shearing force, achieve the purpose that effectively to cut off medium.Certainly, the fracture face can be formed on sealing surface (as sealing surface Itself), it can also be formed in except sealing surface that (i.e. non-tight face itself may be disposed on sealing surface surface, be also possible to Position except sealing surface performance).Wherein, the width in fracture face is 1-15mm, can be according to the increase of pressure bore and in the model The fracture face of the middle larger width of selection is enclosed, to ensure the validity of fracture.

Embodiment 2

Again as shown in Fig. 2, the present embodiment difference from example 1 is that, the taper slope surface 21 be equipped with first Hard alloy layer 211, the cooperation slope surface 31 are equipped with the second hard alloy layer 311.First hard alloy layer, 211 face width Greater than 311 face width of the second hard alloy layer.In this implementation, 211 face width of the first hard alloy layer is 15mm, and second is hard 311 face width of matter alloy-layer is 1mm.Wherein, first hard alloy layer 211 and the second hard alloy layer 311 can lead to The mode for crossing pile-up welding hard alloy is formed in corresponding position.

In the present embodiment, first hard alloy layer 211 is formed using too vertical STL12 welding rod built-up welding is taken charge of, and surface is hard Degree is 44；Second hard alloy layer 311 is then formed using the too vertical STL6 welding rod built-up welding of department, surface hardness 40.Two kinds It is more preferable that the different material of hardness can ensure that the first hard alloy layer 211 and the second hard alloy layer 311 have in shear history Shear effect, and will not have same rigidity because of the two and during the work time there is a situation where being adhered each other, will not It is made when flap is closed because the face width of the first hard alloy layer 211 is greater than the second hard alloy layer face width It is damaged at fracture face surface, it is ensured that the service life of baiting valve.In addition, the first hard alloy layer 211 and the second hard close Layer gold can be ferrous alloy, nickel-base alloy or cobalt-base alloys.

Certainly, surfacing can also be used in first hard alloy layer and the second hard alloy layer or the mode of coating is formed, Details are not described herein.Rest part is identical with embodiment 1, and details are not described herein.

Claims (14)

1. a kind of urgent baiting valve of sweeping type of band adapter tube, which is characterized in that it includes a tube socket, is set on the side wall of the tube socket There is a connector；One connects a valve body with the valve seat of the connector connection, the valve seat, and the valve port of the valve seat and the connector join It is logical and one be set to the valve port flap, a fracture face, the flap and a valve are equipped between the flap and the valve port Bar connection.

2. the sweeping type urgent baiting valve as described in claim 1 with adapter tube, which is characterized in that the fracture face includes: one It is located on the taper slope surface of the outer peripheral surface of the flap, the inclined direction of the taper slope surface is from the valve port to the valve inner Stepwize Shrink, and the angle of the central axes of the taper slope surface and the flap is 5 ° -60 °.

3. the urgent baiting valve of sweeping type that band as claimed in claim 2 is taken over, which is characterized in that the taper slope surface with it is described The angle of the central axes of flap is 30 °.

4. the sweeping type urgent baiting valve as claimed in claim 2 with adapter tube, which is characterized in that the fracture face further includes one Set on the cooperation slope surface of the inner wall of the valve port, the cooperation slope surface is adapted with the taper slope surface.

5. the urgent baiting valve of sweeping type of band adapter tube as claimed in claim 4, which is characterized in that the taper slope surface is equipped with the One hard alloy layer, the cooperation slope surface are equipped with the second hard alloy layer.

6. the sweeping type urgent baiting valve as claimed in claim 5 with adapter tube, which is characterized in that first hard alloy layer It is identical as the hardness of second hard alloy layer.

7. the sweeping type urgent baiting valve as claimed in claim 5 with adapter tube, which is characterized in that first hard alloy layer It is different from the hardness of second hard alloy layer.

8. the sweeping type urgent baiting valve as claimed in claim 7 with adapter tube, which is characterized in that the width of the taper slope surface Greater than the width of the cooperation slope surface, and the hardness of first hard alloy layer is greater than the hard of second hard alloy layer Degree.

9. the sweeping type urgent baiting valve as claimed in claim 8 with adapter tube, which is characterized in that first hard alloy layer Hardness be more than or equal to 44, the hardness of second hard alloy layer is more than or equal to 40.

10. the sweeping type urgent baiting valve as claimed in claim 9 with adapter tube, which is characterized in that the fracture face is set to institute It states on the sealing surface between flap and the valve port.

11. the sweeping type urgent baiting valve as claimed in claim 10 with adapter tube, which is characterized in that the width in the fracture face For 1-15mm.

12. the urgent baiting valve of sweeping type of band adapter tube as claimed in claim 11, which is characterized in that one end of the valve rod and The flap connection, the other end of the valve rod are equipped with an actuator, the flap are driven further to draw close to the valve port.

13. the sweeping type urgent baiting valve as claimed in claim 12 with adapter tube, which is characterized in that the actuator is driving Wheel, the circumferential movement of the driving wheel are converted into the linear movement of the valve rod.

14. such as the urgent baiting valve of sweeping type of band of any of claims 1-13 adapter tube, which is characterized in that the valve Seat is integrally formed with the valve body.