CN116480800A - Valve body sealing element and production process thereof - Google Patents
Valve body sealing element and production process thereof Download PDFInfo
- Publication number
- CN116480800A CN116480800A CN202310462210.1A CN202310462210A CN116480800A CN 116480800 A CN116480800 A CN 116480800A CN 202310462210 A CN202310462210 A CN 202310462210A CN 116480800 A CN116480800 A CN 116480800A
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- sealing
- pressing
- wave plate
- welding
- groove
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- 238000007789 sealing Methods 0.000 title claims abstract description 213
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000003466 welding Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 59
- 230000000694 effects Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- 230000001629 suppression Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a valve body sealing member, which comprises a sealing member body and a sealing wave plate, wherein a flow guide channel is arranged in the sealing member body, the sealing member body is provided with a sealing groove, the sealing wave plate is coaxially provided with a movable edge, the movable edge is integrally provided with a welding edge, the welding edge is inserted in the sealing groove, and the sealing groove and the welding edge are welded and fixed in a sealing manner; sealing between sealing wave plate and the sealing member body can be effectively ensured through the sealing welding fixation of the sealing groove and the welding edge, after the sealing member body is fixed with the welding edge, the sealing member body and the sealing wave plate become a whole, the smoothness can be reduced due to abrasion or processing errors of the surface of the valve ball in the matching process of the sealing member body and the valve ball, so that the sealing member fluctuates, the sealing wave plate moves along with the sealing member body, and the sealing performance of the sealing member body can be improved due to the deformation capability of the sealing wave plate.
Description
Technical Field
The invention relates to the field of sealing elements, in particular to a valve body sealing element and a production process thereof.
Background
Ball valves are a common type of valve used to control the opening and closing of a fluid passageway and are widely used in industrial applications. Ball valve generally includes valve body, spheroid case, sealing member, valve rod, and wherein, the sealing member mostly adopts the disk seat sealing washer that metal valve body cooperation soft material was made, forms elastic seal with the spheroid, however, in the spheroid rotation in-process, in order to guarantee sealed effect, sealing washer and case need inseparable butt, when the spheroid rotates, because there is frictional force, the edges and corners produce scraping wearing and tearing to the sealing washer easily, lead to the disk seat sealing washer to damage easily, very big influence disk seat sealing washer's leakproofness and life-span, lead to disk seat sealing washer to change frequently, influence the normal use of ball valve. Reliability of the seal is therefore an important factor affecting ball valve life and performance. Therefore, the invention provides a novel valve body sealing piece and a production process thereof.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the novel valve body sealing piece is simple in structure, good in sealing effect and long in service life, and the production process of the valve body sealing piece.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a valve body sealing member, includes sealing member body and sealed wave plate, this internal water conservancy diversion passageway that is provided with of sealing member, sealing member body be provided with the seal groove, sealed wave plate coaxial be provided with the activity along, the activity along an organic whole be provided with the welding along, the welding along insert and establish in the seal groove, the seal groove with the welding along sealed welded fastening.
Further, the sealing element body is integrally provided with a mounting part, the sealing groove is positioned at the inner side of the mounting part, the mounting part is provided with a convex ring, and the convex ring is abutted against the movable edge; the sealing wave plate has the advantages that the assembling reliability of the sealing wave plate can be effectively improved through the tight matching of the convex ring and the movable edge after the arrangement, and the stability in the subsequent welding and fixing process after the assembly is finished can be improved.
Furthermore, the mounting part is provided with an inclined plane, the sealing wave plate is positioned at the outer side of the convex ring, and the sealing wave plate is close to the inclined plane and has a buffer gap; the sealing wave plate has the advantages that the reliability of the assembly of the sealing wave plate can be guaranteed through the inclined surface, the sealing wave plate is prevented from interfering with the mounting part, and particularly, buffering can be provided in the deformation process of the sealing wave plate when the sealing wave plate is used as a valve body sealing piece, so that collision interference is avoided.
Further, a chamfer is arranged between the convex ring and the side wall of the sealing groove; the sealing wave plate assembly device has the advantages that the assembly convenience can be improved through the set chamfer, the increase of the assembly error of the sealing wave plate caused by the machining error is avoided, meanwhile, the set chamfer can also play a role in guiding and installing, and the sealing wave plate can be conveniently inserted into the sealing groove along the welding edge.
Further, a side wall of the sealing groove, which is close to the diversion channel, is provided with an inclined guide surface; the guide surface has the advantages that the guide surface can facilitate the flow of liquid in the guide channel, the liquid is prevented from being blocked, and meanwhile, the accumulation of impurities can be avoided.
Further, a sealing surface which is jointed with the valve ball is arranged at one end part of the sealing element body far away from the sealing wave plate, the sealing element body is also provided with a stripping ring, the stripping ring is jointed with the valve ball, and the thickness of the stripping ring is gradually reduced from the valve body to the valve ball; the valve ball has the advantages that the impurities attached to the valve ball can be effectively removed through the stripping ring, so that abrasion between the valve ball and the sealing surface caused by the impurities is reduced, and the sealing life of the sealing element is prolonged.
A production process for machining the valve body seal, comprising the steps of:
s1, selecting a pipe, wherein the middle part of the pipe is a diversion channel, turning the pipe to enable one end part of the pipe to form a spherical sealing surface, and the other end part of the pipe is an installation part, machining the installation part to enable the inner side of the installation part to form a sealing groove coaxial with the pipe, wherein one side of the sealing groove, which is close to the diversion channel, is a welding edge, and the machined pipe is a sealing element body;
s2, turning the mounting part in the step S1 to form an inclined surface on the outer side of the mounting part, and forming a convex ring between the inclined surface and the sealing groove.
S3, processing the metal sheet through a pressing tool to form a sealed wave plate with a movable edge and a welding edge;
s4, inserting the welding edge of the sealing wave plate obtained in the step S3 into the sealing groove of the sealing piece body obtained in the step S2, abutting the movable edge against the convex ring, and abutting the sealing wave plate with the inclined surface;
s5, performing self-fusion welding on the sealing piece body assembled in the S4 and the sealing wave plate, and fixing the welding edges and the welding edges in a sealing welding manner, wherein the welding edges after welding are formed with inclined guide surfaces.
Preferably, the sealing member body is turned with a groove with a tilted side wall, and the side wall of the groove is matched with the sealing surface to form a stripping ring; the valve ball cleaning device has the advantages that impurities can be removed by cleaning the surface of the valve ball through the stripping ring in the valve ball rotating process, and meanwhile, the impurities can be stored in the groove, so that the later maintenance and cleaning are convenient.
Preferably, the sealing surface is provided with a hard alloy coating; the valve ball has the advantages that the wear resistance of the sealing surface can be effectively improved through the arranged hard alloy coating, so that the sealing performance of the sealing surface and the valve ball in cooperation is guaranteed, and the service life is prolonged.
Preferably, the pressing tool of S3 include the clamp, compress tightly base and hold-down pin, the clamp with compress tightly the base and pass through bolt compression fit, the clamp be provided with and compress tightly the platform, compress tightly the platform and be fixed with and compress tightly the bulge loop, the clamp still be provided with compress tightly platform matched with plummer, plummer be provided with compress tightly bulge loop matched with pressing groove, compress tightly the base middle part seted up the suppression hole, the clamp seted up the guiding hole corresponding with the suppression hole, the hold-down pin insert and establish to guiding hole and in the suppression hole, the hold-down pin be provided with and be used for pressing the welding to follow the compression post, compression post and the inside limit of suppression hole between have the suppression clearance.
Compared with the prior art, the invention has the following beneficial effects: sealing between sealing wave plate and the sealing member body can be effectively ensured through the sealing welding fixation of the sealing groove and the welding edge that set up, sealing member body and welding edge are fixed the back for sealing member body and sealing wave plate become a whole, can lead to the smoothness to descend because of wearing and tearing or the machining error on valve ball surface at sealing member body and valve ball cooperation in-process, thereby make the sealing member undulant, the sealing wave plate that sets up can follow the sealing member body and remove this moment, owing to sealing wave plate has deformability, consequently can have the sealing performance that improves the sealing member body, improves the sealing effect of sealing wave plate to the sealing member body promptly.
The sealing piece processed by the valve body sealing piece production process can improve the sealing performance on the valve ball, and the sealing wave plate has strong deformation capability, so that the service life is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a pipe of the present invention;
FIG. 2 is a schematic cross-sectional view of the seal body of the present invention prior to being welded to a seal wave plate;
FIG. 3 is a schematic diagram of a sealed wave plate of the present invention;
FIG. 4 is a schematic diagram of a structure of the seal wave plate and the seal body after welding and fixing;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
FIG. 6 is a schematic cross-sectional view of the metal sheet in step S3;
FIG. 7 is a schematic cross-sectional view of a sealed wave plate of the present invention;
FIG. 8 is a schematic cross-sectional view of a press seal wave plate of the press tooling of the present invention;
FIG. 9 is a schematic cross-sectional view of a compression member according to the present invention;
FIG. 10 is a schematic cross-sectional view of a compression mount of the present invention;
FIG. 11 is a schematic view of the structure of the hold-down pin of the present invention;
FIG. 12 is a ball valve using the seal of the present invention;
FIG. 13 is a schematic cross-sectional view of FIG. 12;
fig. 14 is an enlarged schematic view of the portion a in fig. 13.
Description of the embodiments
The present invention is described in further detail below with reference to the accompanying drawings.
The following description is presented to enable one of ordinary skill in the art to practice the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present invention.
The valve body sealing member comprises a sealing member body 1 and a sealing wave plate 2, wherein a diversion channel 1.2 is arranged in the sealing member body 1, a sealing groove 1.3 is arranged in the sealing member body 1, a movable edge 2.1 is coaxially arranged on the sealing wave plate 2, a welding edge 2.2 is integrally arranged on the movable edge 2.1, the welding edge 2.2 is inserted into the sealing groove 1.3, and the sealing groove 1.3 is fixed with the welding edge 2.2 in a sealing and welding manner. Sealing between sealing wave plate 2 and sealing member body 1 can be effectively ensured through the sealed welded fastening of sealing groove 1.3 and welding edge 2.2 that sets up, sealing member body 1 and welding edge 2.2 are fixed the back for sealing member body 1 becomes a whole with sealing wave plate 2, can lead to the smoothness to descend because of wearing and tearing or the machining error on valve ball 6 surface at sealing member body 1 and valve ball 6 in-process, thereby make the sealing member undulant, sealing wave plate 2 that sets up this moment can remove along with sealing member body 1, owing to sealing wave plate 2 has the deformability, consequently can have the sealing performance that improves sealing member body 1, improve sealing wave plate 2 promptly to sealing member body 1's sealing effect.
On the basis, the sealing element body 1 is integrally provided with the mounting part 1.4, the sealing groove 1.3 is positioned on the inner side of the mounting part 1.4, the mounting part 1.4 is provided with the convex ring 1.5, the convex ring 1.5 is abutted against the movable edge 2.1, the assembly reliability of the sealing wave plate 2 can be effectively improved, and the stability in the subsequent welding and fixing process of assembly completion can be improved. Furthermore, the mounting part 1.4 is provided with an inclined plane 1.6, the sealing wave plate 2 is positioned at the outer side of the convex ring 1.5, and the sealing wave plate 2 is close to the inclined plane 1.6 and has a buffer gap; the inclined plane 1.6 and the buffer gap that set up can ensure the reliability of sealed wave plate 2 assembly, avoid sealed wave plate 2 to produce the interference with installation department 1.4, also can provide the buffering in sealed wave plate 2 deformation process when especially being used as the valve body sealing member, avoid producing collision interference. Meanwhile, a chamfer is arranged between the convex ring 1.5 and the side wall of the sealing groove 1.3, so that the increase of the assembly error of the sealing wave plate 2 caused by machining errors is avoided, and meanwhile, the chamfer also has a guiding and mounting effect, so that the sealing wave plate 2 can be conveniently inserted into the sealing groove 1.3 along the welding edge 2.2.
It should be mentioned that, this application seal groove 1.3 be close to a lateral wall of water conservancy diversion passageway 1.2 and be provided with inclined guide surface 3, and the flow of the liquid in the water conservancy diversion passageway 1.2 can be convenient for to the guide surface 3, avoids producing the jam to the liquid, can avoid piling up of impurity simultaneously.
The sealing surface 1.1 which is attached to the valve ball 6 is arranged at one end part of the sealing element body 1 far away from the sealing wave plate 2, the sealing element body 1 is further provided with the stripping ring 1.8, the stripping ring 1.8 is attached to the valve ball 6, the thickness of the stripping ring 1.8 is gradually reduced from the valve body to the valve ball 6, the stripping ring 1.8 can effectively remove impurities attached to the valve ball 6, so that abrasion between the valve ball 6 and the sealing surface 1.1 caused by the impurities is reduced, and the sealing life of the sealing element is further prolonged.
As shown in fig. 12-14, the valve body sealing member of the present invention is assembled inside the valve body, specifically, a mounting cavity is provided in the valve body 5, the valve ball 6 is rotatably provided in the mounting cavity, and the valve rod 7 and the valve body are rotatably matched to drive the valve ball 6 to rotate, so as to open or close the ball valve. The two sides of the valve ball 6 are provided with valve body sealing members, wherein a sealing surface 1.1 on the sealing member body 1 is attached to the valve ball 6, the sealing wave plate 2 and the sealing member body 1 are sleeved outside the valve sleeve 8, and meanwhile, the sealing wave plate 2 is provided with a fixing edge 2.3 which is in sealing fit with the inner side edge of the valve body. In order to guarantee the sealing reliability of the fixed edge 2.3, a compression ring 9 for compressing the fixed edge 2.3 is arranged in the installation cavity, and the compression ring 9 compresses the fixed edge 2.3 through a screw 10. And still be provided with the tight mechanism in the installation cavity, the tight mechanism in top includes top tight ring 11 and compression spring 12, and top tight ring 11 cover is established in the valve barrel 8 outside for compress tightly the activity along 2.1 of sealed wave plate 2, and the activity is along 2.1 at this moment and is located between top tight ring 11 and the sealing member body 1, and top tight ring 11 is compressed tightly by compression spring 12, and compression spring 12 offsets tightly with top tight ring 11, valve body promptly. When the sealing element is used, the sealing element body 1 can have fluctuation along with the rotation of the valve ball 6, so that the sealing wave plate 2 can deform after axial fluctuation, and the sealing wave plate 2 has stronger deformation capacity relative to the conventional flat sealing plate, so that the service life can be ensured, and the sealing effect can be improved.
As shown in fig. 1-7, a production process for processing a valve body seal mainly comprises the following steps:
s1, selecting a pipe 13, wherein the middle part of the pipe 13 is a diversion channel 1.2, turning the pipe to enable one end part of the pipe to form a spherical sealing surface 1.1, and arranging a hard alloy coating on the sealing surface 1.1; the other end part of the pipe is provided with a mounting part 1.4, the mounting part 1.4 is processed to form a sealing groove 1.3 coaxial with the pipe on the inner side, one side, close to the diversion channel 1.2, of the sealing groove 1.3 is provided with a welding edge, and the processed pipe is provided with a sealing element body 1; meanwhile, a groove 1.7 with a tilted side wall is turned at one end of the sealing element body 1, which is close to the sealing surface 1.1, and the side wall of the groove 1.7 is matched with the sealing surface 1.1 to form a stripping ring 1.8; the stripping ring 1.8 that sets up can clear up the surface of valve ball 6 and get rid of impurity at valve ball 6 rotation in-process, and recess 1.7 that sets up simultaneously can accomodate the impurity, and the later maintenance clearance of being convenient for.
S2, turning the mounting part 1.4 in the step S1 to form an inclined surface 1.6 on the outer side of the mounting part, wherein a convex ring 1.5 is formed between the inclined surface 1.6 and the sealing groove 1.3;
s3, processing the metal sheet through a pressing tool to form a sealed wave plate 2 with a movable edge 2.1 and a welding edge 2.2;
s4, inserting the welding edge 2.2 of the sealing wave plate 2 obtained in the step S3 into the sealing groove 1.3 of the sealing piece body 1 obtained in the step S2, abutting the movable edge 2.1 against the convex ring 1.5, and abutting the sealing wave plate 2 against the inclined surface 1.6;
s5, performing self-fusion welding on the sealing piece body 1 assembled in the S4 and the sealing wave plate 2, sealing and welding and fixing a welding edge and a welding edge 2.2, wherein the welding edge is formed with an inclined guide surface 3.
The pressing tool 4 in the step S3 includes a pressing member 4.1, a pressing base 4.2 and a pressing pin 4.3, the pressing member 4.1 is in press fit with the pressing base 4.2 through a bolt 4.4, the pressing member 4.1 is provided with a pressing table 4.11, the pressing table 4.11 is fixed with a pressing convex ring 4.121.5, the pressing base 4.2 is further provided with a bearing table 4.21 matched with the pressing table 4.11, the bearing table 4.21 is provided with a pressing groove 4.22 matched with the pressing convex ring 4.121.5, a pressing hole 4.23 is formed in the middle of the pressing base 4.2, a guide hole 4.13 corresponding to the pressing hole 4.23 is formed in the pressing member 4.1, the pressing pin 4.3 is inserted into the guide hole 4.13 and the pressing hole, the pressing pin 4.3 is provided with a pressing post 4.31 for pressing the welding edge 2.2, and a pressing gap is formed between the pressing post 4.31 and the inner side of the pressing hole 4.23.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.
Claims (10)
1. The utility model provides a valve body sealing member, its characterized in that includes sealing member body and sealed wave plate, this internal water conservancy diversion passageway that is provided with of sealing member, sealing member body be provided with the seal groove, sealed wave plate coaxial be provided with the activity along, the activity along an organic whole be provided with the welding along, the welding along insert and establish in the seal groove, the seal groove with the welding along sealed welded fastening.
2. The valve body sealing member according to claim 1, wherein the sealing member body is integrally provided with a mounting portion, the sealing groove is located at the inner side of the mounting portion, the mounting portion is provided with a convex ring, and the convex ring abuts against the movable edge.
3. The valve body sealing member according to claim 2, wherein said mounting portion is provided with an inclined surface, said sealing wave plate is located outside of the convex ring, and said sealing wave plate is adjacent to said inclined surface and has a buffer gap.
4. A valve body seal as claimed in claim 2, wherein a chamfer is provided between the collar and the seal groove sidewall.
5. A valve body seal as claimed in claim 1, wherein the seal groove is provided with an inclined guide surface adjacent a side wall of the guide channel.
6. The valve body seal of claim 1, wherein a sealing surface which is attached to the valve ball is provided at an end of the seal body away from the sealing wave plate, the seal body is further provided with a stripper ring which is attached to the valve ball, and the stripper ring is gradually reduced in thickness from the valve body to the valve ball.
7. A process for manufacturing a valve body seal as claimed in claim 1, comprising the steps of:
s1, selecting a pipe, wherein the middle part of the pipe is a diversion channel, turning the pipe to enable one end part of the pipe to form a spherical sealing surface, and the other end part of the pipe is an installation part, machining the installation part to enable the inner side of the installation part to form a sealing groove coaxial with the pipe, wherein one side of the sealing groove, which is close to the diversion channel, is a welding edge, and the machined pipe is a sealing element body;
s2, turning the mounting part in the step S1 to form an inclined surface on the outer side of the mounting part, wherein a convex ring is formed between the inclined surface and the sealing groove;
s3, processing the metal sheet through a pressing tool to form a sealed wave plate with a movable edge and a welding edge;
s4, inserting the welding edge of the sealing wave plate obtained in the step S3 into the sealing groove of the sealing piece body obtained in the step S2, abutting the movable edge against the convex ring, and abutting the sealing wave plate with the inclined surface;
s5, performing self-fusion welding on the sealing piece body assembled in the S4 and the sealing wave plate, and fixing the welding edges and the welding edges in a sealing welding manner, wherein the welding edges after welding are formed with inclined guide surfaces.
8. A process for manufacturing a valve body seal as recited in claim 7, wherein said seal body is turned with a sidewall-tipped groove, the sidewall of said groove cooperating with the sealing surface to form a stripper ring.
9. A production process for machining a valve body seal according to claim 7, characterized in that the sealing surface is provided with a cemented carbide coating.
10. The production process for machining the valve body sealing element according to claim 7, wherein the pressing tool of the S3 comprises a pressing piece, a pressing base and a pressing pin, the pressing piece is in pressing fit with the pressing base through a bolt, the pressing piece is provided with a pressing table, the pressing table is fixedly provided with a pressing convex ring, the pressing base is further provided with a bearing table matched with the pressing table, the bearing table is provided with a pressing groove matched with the pressing convex ring, a pressing hole is formed in the middle of the pressing base, a guide hole corresponding to the pressing hole is formed in the pressing piece, the pressing pin is inserted into the guide hole and the pressing hole, the pressing pin is provided with a pressing column used for pressing a welding edge, and a pressing gap is formed between the pressing column and the inner side edge of the pressing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310462210.1A CN116480800A (en) | 2023-04-25 | 2023-04-25 | Valve body sealing element and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310462210.1A CN116480800A (en) | 2023-04-25 | 2023-04-25 | Valve body sealing element and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116480800A true CN116480800A (en) | 2023-07-25 |
Family
ID=87221009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310462210.1A Pending CN116480800A (en) | 2023-04-25 | 2023-04-25 | Valve body sealing element and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116480800A (en) |
-
2023
- 2023-04-25 CN CN202310462210.1A patent/CN116480800A/en active Pending
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