CN211726861U

CN211726861U - Pneumatic rotary spray valve and all-dimensional spray head thereof

Info

Publication number: CN211726861U
Application number: CN202020018991.7U
Authority: CN
Inventors: 左群; 文建均; 刘勇; 张平良
Original assignee: Chongqing Jiakaijie Instrumentation Co ltd
Current assignee: Chongqing Jiakaijie Instrumentation Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-23
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a pneumatic rotary spray valve and an all-round spray head thereof, in particular to the field of spray heads in the spray valve, comprising a driving mechanism, a valve body and an all-round spray head, wherein the driving mechanism is fixedly connected with a main shaft of the valve body, the main shaft is detachably connected with the spray head, the driving mechanism can drive the main shaft to stretch, the main shaft of the valve body can drive the spray head to rotate through the driving mechanism, so that the spray head can wash the inside of a polymerization kettle in all-round dead angles; during the actual work, liquid enters into the shower head from the installation department, thoroughly washes all around in the polymerizer, also can carry out the thorough washing at no dead angle to polymerizer's top, bottom, and the rivers operation face of guaranteeing to jet is even, saves the spray time, and the water economy volume improves the production quality of PVC resin, and this shower head also can be adapted to other trades certainly, and the device is applicable to industrial popularization from this.

Description

Pneumatic rotary spray valve and all-dimensional spray head thereof

Technical Field

The utility model relates to a shower head field in the shower valve, concretely relates to pneumatic rotatory shower valve and all-round shower head thereof.

Background

The polymerization kettle is the main equipment for preparing the high molecular compound, and the single kettle intermittent production or the multi-kettle series continuous production can be realized during the polymerization. The polymerization kettle is provided with a spray valve for cleaning the interior of the polymerization kettle. After the polymerization reaction in the production process of the PVC resin, a large amount of material slag is adhered in the polymerization kettle, and the polymerization kettle needs to be cleaned in order to ensure the next production of the PVC resin.

The spray head of the existing spray valve is only provided with a plurality of 45-degree downward inclined spray grooves, a plurality of dead angles exist in the middle of the spray grooves, the operation surface of ejected water flow is discontinuous and uneven, so that a polymerization kettle cannot be completely washed, and when the polymerization kettle is used for the second time, the quality and the production efficiency of PVC resin production are reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the to-be-solved technical problem of the utility model is to provide a pneumatic rotatory spray valve and all-round shower head thereof, it can thoroughly wash all around in the polymeric kettle, also can carry out the thorough washing at no dead angle to polymeric kettle's top, bottom, guarantees that the rivers operation face that erupts is even, saves spray time, and the water economy consumption improves the production quality of PVC resin.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a pneumatic rotatory spray valve and all-round shower head thereof, includes: the spray header is provided with a water inlet cavity, and the outer wall of the spray header is sequentially provided with a first spray unit close to the main shaft, a second spray unit positioned in the middle and a third spray unit far away from the main shaft along the axial direction of the spray header; the first spraying unit comprises a plurality of conical surface spraying grooves and conical surface spraying holes which are communicated with the water inlet cavity, the conical surface spraying grooves and the conical surface spraying holes are arranged at intervals along the circumferential direction, and the conical surface spraying grooves and the conical surface spraying holes extend towards the direction close to the main shaft in an inclined mode; the second spraying unit comprises a plurality of cylindrical spraying grooves communicated with the water inlet cavity, the projections of the cylindrical spraying grooves on a plane vertical to the axis of the spraying head form a closed circle, and two adjacent cylindrical spraying grooves are mutually staggered along the axial direction of the spraying head; the third spraying unit comprises at least one cylindrical surface flushing hole, the cylindrical surface flushing hole is communicated with the water inlet cavity, and the cylindrical surface flushing hole extends towards the direction away from the main shaft in an inclined mode.

The pneumatic rotary spray valve and the omnibearing spray head thereof have the beneficial effects that: actuating mechanism can drive the shower head rotatory, and first unit that sprays can spray the bottom of wasing the reation kettle, and the second sprays the unit and can spray the lateral wall of wasing the reation kettle, and the third sprays the top that the unit can wash the reation kettle to can guarantee that no dead angle washs the inside of reation kettle, can guarantee that the reation kettle washs totally, guarantee the quality and the production efficiency of PVC resin production.

Furthermore, the outer wall of the spray head is sequentially provided with a conical surface and a cylindrical surface along the axial direction of the spray head, the radius of the conical surface is gradually reduced towards the direction close to the main shaft, the first spray unit is arranged on the conical surface, and the second spray unit and the third spray unit are arranged on the cylindrical surface. The spraying effect is better and no dead angle is caused by the facet design of the spraying head.

Furthermore, the spray header extends to form a connecting part for being connected with the main shaft, and the connecting part is provided with an external thread screwed with the main shaft. The threaded connection is simple in structure and good in connection effect.

Further, the outer wall of connecting portion is equipped with interior direction shoulder and outer direction shoulder, interior direction shoulder with outer direction shoulder follows the axial interval of connecting portion sets up, just interior direction shoulder is used for the interior step butt of main shaft, outer direction shoulder is used for the terminal surface butt with the main shaft. When the spray head is screwed in, the double guide steps can limit the spray head during actual installation.

Furthermore, a valve seat and a pressing plate are sleeved on the end part, far away from the main shaft, of the spray head, and the pressing plate is connected with the spray head through a fastening piece so as to tightly press and fix the valve seat on the spray head. Through fastening pressure equipment, convenient and fast assembles disk seat and clamp plate.

Furthermore, the included angles between the central lines of the conical surface flushing holes and the axis of the spray header are different or the included angles between the central lines of the conical surface flushing holes and the axis of the spray header are the same in multiple groups, and the included angles between the conical surface flushing holes and the axis of the spray header are 30-60 degrees. The bottom of the polymerization kettle is cleaned powerfully through the design of the angle of the conical surface flushing hole.

Furthermore, the included angles between the cylindrical surface flushing holes and the axis of the spray header are different or the included angles between the cylindrical surface flushing holes and the axis of the spray header are the same in multiple groups, and the included angles between the cylindrical surface flushing holes and the axis of the spray header are 45-75 degrees. The design of the angle of the cylindrical flushing hole ensures multi-level powerful cleaning when the top of the polymerization kettle is cleaned.

Furthermore, the included angle between the conical surface spraying groove and the cylindrical surface spraying groove and the axis of the spraying head is 35-135 degrees. The angle design of the conical surface spray groove and the cylindrical surface spray groove is different, so that the multi-angle spray of the interior of the polymerization kettle is ensured when spraying.

Further, still include: a valve body; the omnibearing spray header is detachably connected with the main shaft of the valve body.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In the drawings, the parts are not necessarily drawn to scale.

Fig. 1 is a schematic view of the installation of the present invention in a shower valve;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of the present invention;

FIG. 4 is a cross-sectional view at B in FIG. 3:

fig. 5 is a cross-sectional view of a cylindrical flow-through hole.

Reference numerals: a drive mechanism 200; the driving cylinder 210; a drive motor 220; a valve body 100; an omnibearing spray header 1; a main shaft 101; a water inlet cavity 11; a spraying unit 12; a tapered surface 13; a cylindrical surface 14; a first spray unit 131; a second spray unit 141; a third spray unit 142; a conical spray groove 1311; a conical spray hole 1312; a cylindrical spray trough 1411; a cylindrical impingement hole 1421; a connecting portion 15; an end portion 16; a valve seat 17; a platen 18.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless otherwise defined, the purpose of the embodiments of the body is not intended to limit the present invention. All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of description only.

Referring to fig. 1, a pneumatic rotary spray valve in an embodiment includes a driving mechanism 200, a valve body 100, and an omnidirectional spray head 1, the driving mechanism 200 is fixedly connected to a main shaft 101 of the valve body 100, the main shaft 101 is detachably connected to the spray head 1, the driving mechanism 200 can drive the main shaft 101 to extend and retract, and the driving mechanism 200 drives the spray head 1 to axially rotate, so that the spray head 1 can clean the inside of a polymerizer without a dead angle in an omnidirectional manner. The shower head 1 is detachably connected with a main shaft 101 of the valve body 100, the shower head 1 is provided with a water inlet cavity 11, the outer wall of the shower is provided with a plurality of shower units 12, and external washing water can enter the water inlet cavity 11 through the main shaft 101 and then is sprayed out through the shower units.

Referring to fig. 2, specifically, the outer wall of the shower head 1 is sequentially provided with a conical surface 13 and a cylindrical surface 14 along the axial direction thereof, the radius of the conical surface 13 gradually decreases toward the direction close to the spindle 101, the first spraying unit 131 is disposed on the conical surface 13, and the second spraying unit 141 and the third spraying unit 142 are disposed on the cylindrical surface 14. Through the design of the split surfaces of the spray header 1, the spray effect is better, and no dead angle is left for cleaning.

Referring to fig. 2, 3 and 4, in this embodiment, the first spray unit 131 includes a plurality of conical spray grooves 1311 and conical spray holes 1312 communicating with the inlet chamber 11. The plurality of tapered shower grooves 1311 and the plurality of tapered shower holes 1312 are provided at intervals in the circumferential direction, and the tapered shower grooves 1311 and the tapered shower holes 1312 extend obliquely in a direction approaching the main shaft 101. The included angles between the central lines of the conical surface flushing holes and the axis of the spray header 1 are different or the included angles between the central lines of the conical surface flushing holes and the axis of the spray header 1 are the same, and the included angles between the conical surface flushing holes and the axis of the spray header 1 are 30-60 degrees. The bottom of the polymerization kettle is cleaned powerfully through the design of the angle of the conical surface flushing hole. Further, the second spraying unit 141 includes a plurality of cylindrical spraying grooves 1411 communicated with the water inlet cavity 11, a projection of the plurality of cylindrical spraying grooves 1411 on a plane perpendicular to an axis of the spray header 1 forms a closed circle, and two adjacent cylindrical spraying grooves 1411 are staggered with each other along an axial direction of the spray header 1. Thus, the spraying at radial positions without dead angles is ensured.

Referring to fig. 5, further, the third spraying unit 142 includes at least one cylindrical flow-through hole 1421, the cylindrical flow-through hole 1421 is communicated with the water inlet chamber 11, and the cylindrical flow-through hole 1421 extends obliquely away from the main shaft 101. The included angles between the cylindrical surface flushing holes 1421 and the axis of the spray header 1 are different or the included angles between the cylindrical surface flushing holes 1421 and the axis of the spray header 1 are 45-75 degrees. The multi-level strong cleaning when the top of the polymerization kettle is cleaned is ensured by the angle design of the cylindrical surface punching hole 1421. Of course, the angle between the pyramidal spray grooves 1311 and the cylindrical spray grooves 1411 and the axis of the spray head 1 is 35 ° to 135 °. The design of the angles of the conical surface spraying groove 1311 and the cylindrical surface spraying groove 1411 is different, so that the spraying from multiple angles inside the polymerization kettle is ensured.

Referring to fig. 3, in the present embodiment, the shower head 1 extends to form a connection portion 15 for connecting with the main shaft 101, and the connection portion 15 is provided with an external thread screwed with the main shaft 101. The threaded connection is simple in structure and good in connection effect.

Referring to fig. 2, in the present embodiment, the end 16 of the shower head 1 away from the spindle 101 is sleeved with a valve seat 17 and a pressure plate 18, and the pressure plate 18 is connected with the shower head 1 through a fastener to press and fix the valve seat 17 on the shower head 1. The valve seat 17 and the pressure plate 18 are assembled conveniently and quickly by fastening and pressing.

Referring to fig. 1, the pneumatic spray valve further includes: a drive mechanism 200 and a valve body 100. Specifically, the drive mechanism 200 is provided with a drive cylinder 210 and a drive motor 220. The omnibearing spray header 1 is detachably connected with the main shaft 101 of the valve body 100, the output shaft of the driving cylinder 210 is connected with the main shaft 101 in the valve body 100, the main shaft 101 in the valve body 100 drives the spray header 1 to extend out or retract, and the driving motor 220 drives the spray header 1 to rotate. The driving structure is simple, and the using effect is obvious.

In actual work, the spray header 1 is fixedly connected with the main shaft 101 through the connecting part 15 at the upper end, liquid flows to the spray header 1 of the spray valve through the main shaft 101, the conical spray groove 1311 and the conical flushing hole are formed in the conical surface 13 of the spray header 1, the conical spray groove 1311 ensures comprehensive spraying on the bottom of the polymerization kettle, the conical flushing hole ensures powerful cleaning on the bottom of the polymerization kettle, and the conical spray groove 1311 and the conical flushing hole on the conical surface 13 can uniformly clean the bottom of the polymerization kettle due to the rotation characteristic of the pneumatic rotary spray valve; similarly, a plurality of cylindrical surface washing holes 1421 and a plurality of cylindrical surface spraying grooves 1411 on the cylindrical surface 14 of the spray header 1, the cylindrical surface spraying grooves 1411 are arranged in the direction of the cylindrical surface 14, so that the inner wall of the polymerization kettle can be completely sprayed when in actual use, and the cylindrical surface washing holes 1421 are arranged in the direction of the cylindrical surface 14, so that the top of the polymerization kettle can be strongly cleaned, and the effect of completely cleaning the inside of the polymerization kettle is achieved by the design of the washing holes and the spraying grooves.

The pneumatic rotary spray valve and the omnibearing spray head 1 thereof have the beneficial effects that: actuating mechanism 200 can drive shower head 1 and rotate telescopically, and first unit 131 that sprays can spray the bottom of wasing the reation kettle, and second sprays unit 141 and can spray the lateral wall of wasing the reation kettle, and the third sprays the top that unit 142 can wash the reation kettle to can guarantee that no dead angle washs the inside of reation kettle, can guarantee that the reation kettle washs totally the sanitization, guarantee the quality and the production efficiency of PVC resin production.

In summary, the thread design of the connecting portion 15 of the spray header 1 facilitates the connection and installation of the spray header 1 and the main shaft 101 in the spray valve, and the design of the outer guide shoulder on the connecting portion 15 can limit the spray header 1 when the spray header 1 is screwed in through the outer guide step during the actual assembly work. The end 16 of the main shaft 101 is sleeved with a valve seat 17 and a pressing plate 18, so that the valve seat 17 and the pressing plate 18 of the spray header 1 can be conveniently installed, and the use is convenient. The washing liquid flows to the spray header 1 through the main shaft 101, the inner part of the polymerization kettle can be sprayed and cleaned through the conical surface spray grooves 1311, the conical surface flushing holes, the cylindrical surface flushing holes 1421 and the cylindrical surface spray grooves 1411 on the spray header 1, and the inner part of the polymerization kettle can be uniformly cleaned due to the fact that the conical surface spray grooves 1311 and the cylindrical surface spray grooves 1411 are arranged at the azimuth angles, and the spray header 1 is arranged at the end of the main shaft 101, so that the inner part of the polymerization kettle can be cleaned without dead angles and powerfully cleaned through the conical surface spray grooves 1311, the conical surface flushing holes, the cylindrical surface flushing holes 1421 and the cylindrical surface spray grooves 1411 and the oblique angle of the central axis of the spray header 1.

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. An omnibearing spray header used for being connected with a main shaft of a spray valve is characterized in that,

the spray header is provided with a water inlet cavity, and the outer wall of the spray header is sequentially provided with a first spray unit close to the main shaft, a second spray unit positioned in the middle and a third spray unit far away from the main shaft along the axial direction of the spray header;

the first spraying unit comprises a plurality of conical surface spraying grooves and conical surface spraying holes which are communicated with the water inlet cavity, the conical surface spraying grooves and the conical surface spraying holes are arranged at intervals along the circumferential direction, and the conical surface spraying grooves and the conical surface spraying holes extend towards the direction close to the main shaft in an inclined mode;

the second spraying unit comprises a plurality of cylindrical spraying grooves communicated with the water inlet cavity, the projections of the cylindrical spraying grooves on a plane vertical to the axis of the spraying head form a closed circle, and two adjacent cylindrical spraying grooves are mutually staggered along the axial direction of the spraying head;

the third spraying unit comprises at least one cylindrical surface flushing hole, the cylindrical surface flushing hole is communicated with the water inlet cavity, and the cylindrical surface flushing hole extends towards the direction away from the main shaft in an inclined mode.

2. The omni-directional spray header according to claim 1, wherein the outer wall of the spray header is provided with a conical surface and a cylindrical surface in sequence along the axial direction thereof, the radius of the conical surface is gradually reduced towards the direction close to the main shaft, the first spray unit is arranged on the conical surface, and the second spray unit and the third spray unit are arranged on the cylindrical surface.

3. The omni-directional showerhead of claim 1, wherein the showerhead is formed with a connection part extending therefrom for connection with the main shaft, the connection part being provided with an external thread screwed with the main shaft.

4. The omnibearing spray header as recited in claim 3, wherein the outer wall of the connecting part is provided with an inner guide shoulder and an outer guide shoulder, the inner guide shoulder and the outer guide shoulder are arranged at intervals along the axial direction of the connecting part, the inner guide shoulder is used for abutting against a step in the main shaft, and the outer guide shoulder is used for abutting against the end surface of the main shaft.

5. The omnibearing spray header as recited in claim 1, wherein a valve seat and a pressure plate are sleeved on the end part of the spray header far away from the main shaft, and the pressure plate is connected with the spray header through a fastener so as to tightly press and fix the valve seat on the spray header.

6. The omnibearing spray header as recited in claim 1, wherein the included angles between the central lines of the conical surface flushing holes and the axis of the spray header are different or the included angles between the central lines of the conical surface flushing holes and the axis of the spray header are the same, and the included angles between the conical surface flushing holes and the axis of the spray header are 30-60 degrees.

7. The omnibearing spray header as claimed in claim 1, wherein the included angles between the cylindrical flushing holes and the axis of the spray header are different or the included angles between the cylindrical flushing holes and the axis of the spray header are the same in groups, and the included angles between the cylindrical flushing holes and the axis of the spray header are 45-75 degrees.

8. The omni-directional spray header according to any one of claims 1 to 3, wherein the included angle between the conical spray grooves and the cylindrical spray grooves and the axis of the spray header is 35-135 degrees.

9. A pneumatic rotary shower valve, comprising:

a valve body;

the omni directional showerhead of any of claims 1-8, which is removably connected to the main shaft of the valve body.