CN212203209U - Inflatable sealing structure of valve - Google Patents
Inflatable sealing structure of valve Download PDFInfo
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- CN212203209U CN212203209U CN202020797567.7U CN202020797567U CN212203209U CN 212203209 U CN212203209 U CN 212203209U CN 202020797567 U CN202020797567 U CN 202020797567U CN 212203209 U CN212203209 U CN 212203209U
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- sealing
- valve
- valve body
- case
- sealing washer
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Abstract
The utility model relates to an inflatable seal structure of valve, which comprises a valve body, case and case drive arrangement, be provided with the runner in the valve body, the runner is provided with and cuts the fracture with the sealed complex of case, case drive arrangement drives the valve core and is close to or keeps away from cutting off the cutting off and cut off the cutting off and constitute cutting off and UNICOM of runner, the valve body is located the cutting off mouthful and encircles and be provided with and the sealed complex sealing washer of case, be provided with in the sealing washer and aerify the chamber, the valve body is provided with aerifys the passageway, it extends to the sealing washer and is linked together with aerifing the chamber to aerify passageway one end, the other end extends to outside the valve body and is connected with the air supply, the sealing washer inboard be provided with the case. With the adoption of the scheme, the utility model provides an avoid the sealing washer to produce the inflatable seal structure of foreign matter, extension sealing washer life's valve because of case wearing and tearing.
Description
Technical Field
The utility model relates to a drying or mixing apparatus field of material, concretely relates to inflatable seal structure of valve.
Background
In the pharmaceutical industry, some materials need to be dried or mixed, so that the moisture content or uniformity of the materials meets the process requirements, and the operation process is totally closed, thereby avoiding the pollution of foreign matters or microorganisms.
The mixing equipment is often provided with a valve for discharging materials, the valve generally comprises a valve body, a valve core and a valve core driving device, a flow channel is arranged in the valve body, the flow channel is provided with a cut-off opening matched with the valve core in a sealing manner, and the valve core driving device drives the valve core to be close to or far away from the cut-off opening to form cut-off and communication of the flow channel. When the valve core cuts off or communicates the flow channel, the sealing ring and the valve core are contacted and abraded to generate friction particles or even shear. The sealing ring has short service life and affects the production efficiency when the aseptic pharmacy requirement cannot be met.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide an avoid the sealing washer to produce the inflatable seal structure of foreign matter, extension sealing washer life's valve because of case wearing and tearing.
In order to achieve the above purpose, the utility model provides a following technical scheme: including valve body, case and case drive arrangement, the valve body in be provided with the runner, the runner be provided with the sealed complex of case cut the fracture, case drive arrangement drive valve core be close to or keep away from cut-off opening and constitute cutting off and the intercommunication of runner, the valve body be located cut-off opening around be provided with the sealed complex sealing washer of case, its characterized in that: the valve body is provided with an inflation channel, one end of the inflation channel extends to the sealing ring and is communicated with the inflation cavity, the other end of the inflation channel extends out of the valve body and is connected with an air source, a deformation part with a deformation gap is arranged on the inner side of the sealing ring and is connected with the valve core, and when the inflation cavity is inflated with air, the deformation part deforms towards the valve core until the inflation cavity abuts against the valve core to form sealing fit with the valve core.
Through adopting above-mentioned technical scheme, the sealing washer is add and is aerifyd the chamber and carry out the deformation part that deforms by aerifing intracavity gas, just aerify before the case is opened and after the case is closed, form sealed cooperation with deformation clearance packing, the case is opened and is closed the in-process and can not contact with the sealing washer, thereby avoid traditional sealing washer to cause the condition emergence that wearing and tearing produced the sweeps at case switch in-process, thereby avoid the foreign matter to fall into the condition emergence that the material influences the material quality, and simultaneously, the wearing and tearing that reduce the sealing washer have also increased the life of sealing washer.
The utility model discloses further set up to: the inner side of the deformation part is provided with a sealing surface which is in sealing fit with the valve core, and the section of the sealing surface is arc-shaped.
Through adopting above-mentioned technical scheme, the sealing washer is the arc form, and both sides extend to the outside, further avoid the case to produce wearing and tearing to the sealing washer when the action.
The utility model discloses further set up to: the sealing surfaces are symmetrically arranged on two sides of the position where the sealing surfaces are abutted to the valve core.
By adopting the technical scheme and the symmetrical arrangement mode, the distance between the two sides of the sealing surface, which are abutted against the valve core, and the valve core is more consistent, and the abrasion of the valve core to the sealing ring is further avoided when the valve core acts.
The utility model discloses further set up to: the valve body encircle the cut-off and be provided with the mounting groove of installation sealing washer, the mounting groove including the main part that holds the sealing washer and supply the deformation passageway that deformation part stretches out to the case from the main part, the valve body be located the main part and narrow down gradually to the deformation passageway and constitute the spacing cooperation of mounting groove to the sealing washer.
Through adopting above-mentioned technical scheme, adjust the cross-section size of deformation passageway and main part, form the spacing cooperation of mounting groove to the sealing washer, aerify the intracavity at the in-process and aerify pressure increase gradually, and the moment of torsion that forms when the case is rotatory, can take away the sealing washer from the mounting groove to lose sealing function, and the mounting groove effectively prevents the emergence of this kind of condition to the spacing cooperation of sealing washer.
The utility model discloses further set up to: the sealing ring branch is arranged on two sides of the supporting ring and is respectively and integrally provided with a sealing ring branch, the sealing rings on two sides are separately supported and compressed between the supporting ring and the groove wall of the main body by the supporting ring, each sealing ring branch is respectively provided with a limiting recess towards the supporting ring, and the supporting ring is arranged in each limiting recess and is respectively provided with a limiting convex rib in limiting fit with the limiting recess.
Through adopting above-mentioned technical scheme, add the support ring, compress the sealing washer branch between the cell wall of support ring and main part, improve the leakproofness between mounting groove and the sealing washer, improve the spacing stability of sealing washer and mounting groove when avoiding gas leakage, in addition, cooperate with spacing sunken by spacing protruding muscle, further effectively avoid the sealing washer to deviate from the mounting groove.
The utility model discloses further set up to: the inflation cavity is positioned between the support ring and the deformation part, and a communication channel for communicating the inflation channel with the inflation cavity is arranged in the support ring.
Through adopting above-mentioned technical scheme, will aerify the chamber and set up between support ring and deformation part, on the one hand, make seal structure more compact, on the other hand, support the sealing washer branch and form stable gas filled structure after opening, guarantee the stability of admitting air and giving vent to anger, guarantee sealed reliability promptly.
The utility model discloses further set up to: the valve body components of a whole that can function independently be provided with detachable partial body, partial body and valve body between be provided with the installation relatively sunken, the combination of the installation sunken constitution mounting groove of partial body and valve body, the installation sunken of partial body be provided with sunken form spacing corner, the support ring be provided with spacing corner shape looks adaptation and be protruding form cooperation corner, the partial body be fixed in the valve body when both sides lateral wall of spacing corner extrude the support ring to the sealing washer branch of both sides respectively.
By adopting the technical scheme, the mounting groove is formed by the two parts of mounting depressions, so that the mounting and dismounting of the support ring and the sealing ring are more convenient, meanwhile, the limiting corner is combined with the matching corner, the support ring is extruded towards the sealing ring branches on two sides respectively by the side walls on two sides of the limiting corner when the support ring is accurately aligned, and the limiting stability of the sealing ring is further improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic structural view of the inflatable chamber after being inflated according to the embodiment of the present invention;
fig. 4 is an enlarged cross-sectional view of the seal ring according to the embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, the utility model discloses an inflatable sealing structure of a valve, which comprises a valve body 1, a valve core 2 and a valve core driving device 3, a flow passage 11 is arranged in the valve body 1, the flow passage 11 is provided with a discharging end 111 communicated with the outside, a communicating end 112 communicated with drying or mixing equipment and a cutting opening 113 hermetically matched with the valve core 2, the valve core driving device 3 drives the valve core 2 to be close to or far away from the cutting opening 113 to form the cutting and communication of the flow passage 11, the valve body 1 is positioned at the cutting opening 113 and is surrounded with a sealing ring 4 hermetically matched with the valve core 2, an inflating cavity 41 is arranged in the sealing ring 4, the valve body 1 is provided with an inflating channel 12, one end of the inflating channel 12 extends to the sealing ring 4 and is communicated with the inflating cavity 41, the other end extends to the outside of the valve body 1 and is connected with an air, when the gas is filled into the gas filling cavity 41, the deformation part 43 deforms towards the valve core 2 until abutting against the valve core 2 to form a sealing fit with the valve core 2, the sealing ring 4 is additionally provided with the gas filling cavity 41 and the deformation part 43 deformed by the gas in the gas filling cavity 41, the gas is filled before the valve core 2 is opened and after the valve core 2 is closed, the deformation gap 432 is filled to form a sealing fit, the valve core 2 is not contacted with the sealing ring 4 in the opening and closing processes, so that the situation that the traditional sealing ring 4 is worn and generates scraps in the opening and closing processes of the valve core 2 is avoided, the situation that foreign matters fall into the material to influence the quality of the material is avoided, meanwhile, the service life of the sealing ring 4 is prolonged by reducing the wear of the sealing ring 4, the gas source is generally a nitrogen gas source, wherein the valve core driving device 3 comprises a rotary executing mechanism 31 and a valve rod 32, one end of each valve rod 32 is fixed on the valve core 2, the other end of each valve rod is in running fit with the valve body 1 through the bearing 321, the rotary actuator 31 drives one of the valve rods 32 to rotate to form sealing fit or opening of the valve core 2 and the cut-off port 112, and the rotary actuator 31 can be a motor, a hand wheel and a rotary pneumatic head.
The inner side of the deformation part 43 is provided with a sealing surface 431 in sealing fit with the valve core 2, the section of the sealing surface 431 is arc-shaped, the sealing ring 4 is arc-shaped, and the two sides of the sealing ring extend outwards, so that the valve core 2 is further prevented from wearing the sealing ring 4 during action.
The two sides of the sealing surface 431, which are abutted against the valve core 2, are symmetrically arranged, so that the distance between the two sides of the sealing surface 431, which are abutted against the valve core 2, and the valve core 2 is more consistent, and the abrasion of the valve core 2 to the sealing ring 4 is further avoided when the valve core 2 acts.
The valve body 1 is provided with the mounting groove 13 of installation sealing washer 4 around cutting port 113, mounting groove 13 is including holding the main part 131 of sealing washer 4 and supplying deformation part 43 to stretch out to the deformation passageway 132 of case 2 from main part 131, valve body 1 is located main part 131 and narrows down to constitute the spacing cooperation of mounting groove 13 to sealing washer 4 gradually to deformation passageway 132, adjust the cross-sectional size of deformation passageway 132 and main part 131, form the spacing cooperation of mounting groove 13 to sealing washer 4, the pressure in aerifing the in-process inflation chamber 41 increases gradually, and the moment of torsion that forms when case 2 rotates, can take sealing washer 4 away from mounting groove 13, thereby lose sealing function, and mounting groove 13 effectively prevents the emergence of this kind of condition to the spacing cooperation of sealing washer 4.
Still include the support ring 14 in the main part 131, the sealing washer 4 is located support ring 14 both sides and is provided with sealing washer branch 42 respectively an organic whole, the support ring 14 struts the sealing washer branch 42 of both sides and compresses between the cell wall of support ring 14 and main part 131, each sealing washer branch 42 is provided with spacing sunken 421 towards support ring 14 respectively, support ring 14 is located and is provided with spacing protruding muscle 141 with spacing sunken 421 spacing complex respectively in each spacing sunken 421, add support ring 14, compress sealing washer branch 42 between the cell wall of support ring 14 and main part 131, improve the leakproofness between mounting groove 13 and the sealing washer 4, improve the spacing stability of sealing washer 4 and mounting groove 13 when avoiding gas leakage, in addition, cooperate with spacing sunken 421 by spacing protruding muscle 141, further effectively avoid sealing washer 4 to deviate from mounting groove 13.
The inflation cavity 41 is located between the support ring 14 and the deformation part 43, the communication channel 142 for communicating the inflation channel 12 with the inflation cavity 41 is arranged in the support ring 14, and the inflation cavity 41 is arranged between the support ring 14 and the deformation part 43, so that on one hand, the sealing structure is more compact, and on the other hand, the sealing ring branches 42 are expanded to form a stable inflation structure, thereby ensuring the stability of air inlet and outlet, namely ensuring the reliability of sealing.
The detachable split part 15 is arranged in a split manner on the valve body 1, the mounting recess 151 is oppositely arranged between the split part 15 and the valve body 1, the split part 15 and the mounting recess 151 of the valve body 1 are combined to form the mounting groove 13, the mounting recess 151 of the split part 15 is provided with the recessed limiting corner 152, the support ring 14 is provided with the convex matching corner 143 matched with the limiting corner 152 in shape, the support ring 14 is respectively extruded towards the sealing ring branches 42 at two sides by the side walls at two sides of the limiting corner 152 when the split part 15 is fixed on the valve body 1, the mounting groove 13 is formed by the two mounting recesses 151, so that the mounting and dismounting of the support ring 1414 and the sealing ring 4 are more convenient, meanwhile, the limiting corner 152 and the matching corner 143 are combined, the support ring 14 is accurately aligned, the support ring 14 is respectively extruded towards the sealing ring branches 42 at two sides by the side walls at two sides, in a specific embodiment, the split part 15 is a connection flange.
Claims (7)
1. The utility model provides an inflatable sealing structure of valve, includes valve body, case and case drive arrangement, the valve body in be provided with the runner, the runner be provided with the sealed complex of case cut off the mouth, case drive arrangement drive valve core be close to or keep away from cut off the mouth and constitute cutting off and the intercommunication of runner, the valve body be located cut off the mouth around be provided with the sealed complex sealing washer of case, its characterized in that: the valve body is provided with an inflation channel, one end of the inflation channel extends to the sealing ring and is communicated with the inflation cavity, the other end of the inflation channel extends out of the valve body and is connected with an air source, a deformation part with a deformation gap is arranged on the inner side of the sealing ring and is connected with the valve core, and when the inflation cavity is inflated with air, the deformation part deforms towards the valve core until the inflation cavity abuts against the valve core to form sealing fit with the valve core.
2. The inflatable sealing structure of a valve according to claim 1, wherein: the inner side of the deformation part is provided with a sealing surface which is in sealing fit with the valve core, and the section of the sealing surface is arc-shaped.
3. The inflatable sealing structure of a valve according to claim 2, wherein: the sealing surfaces are symmetrically arranged on two sides of the position where the sealing surfaces are abutted to the valve core.
4. The inflatable sealing structure of a valve according to claim 1, wherein: the valve body encircle the cut-off and be provided with the mounting groove of installation sealing washer, the mounting groove including the main part that holds the sealing washer and supply the deformation passageway that deformation part stretches out to the case from the main part, the valve body be located the main part and narrow down gradually to the deformation passageway and constitute the spacing cooperation of mounting groove to the sealing washer.
5. The inflatable sealing structure of a valve according to claim 1, wherein: the sealing ring branch is arranged on two sides of the supporting ring and is respectively and integrally provided with a sealing ring branch, the sealing rings on two sides are separately supported and compressed between the supporting ring and the groove wall of the main body by the supporting ring, each sealing ring branch is respectively provided with a limiting recess towards the supporting ring, and the supporting ring is arranged in each limiting recess and is respectively provided with a limiting convex rib in limiting fit with the limiting recess.
6. The inflatable sealing structure of a valve according to claim 5, wherein: the inflation cavity is positioned between the support ring and the deformation part, and a communication channel for communicating the inflation channel with the inflation cavity is arranged in the support ring.
7. The inflatable sealing structure of a valve according to claim 5, wherein: the valve body components of a whole that can function independently be provided with detachable partial body, partial body and valve body between be provided with the installation relatively sunken, the combination of the installation sunken constitution mounting groove of partial body and valve body, the installation sunken of partial body be provided with sunken form spacing corner, the support ring be provided with spacing corner shape looks adaptation and be protruding form cooperation corner, the partial body be fixed in the valve body when both sides lateral wall of spacing corner extrude the support ring to the sealing washer branch of both sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020797567.7U CN212203209U (en) | 2020-05-14 | 2020-05-14 | Inflatable sealing structure of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020797567.7U CN212203209U (en) | 2020-05-14 | 2020-05-14 | Inflatable sealing structure of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203209U true CN212203209U (en) | 2020-12-22 |
Family
ID=73814844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020797567.7U Active CN212203209U (en) | 2020-05-14 | 2020-05-14 | Inflatable sealing structure of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357396A (en) * | 2021-07-05 | 2021-09-07 | 湖南杉杉能源科技有限公司 | Inflatable ball valve convenient to dismantle installation |
| CN113431921A (en) * | 2021-08-25 | 2021-09-24 | 常州满裕隆换热器有限公司 | Sealing structure and heat exchanger with same |
| CN113623434A (en) * | 2021-08-21 | 2021-11-09 | 王凤阳 | Airtight three-way valve |
-
2020
- 2020-05-14 CN CN202020797567.7U patent/CN212203209U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357396A (en) * | 2021-07-05 | 2021-09-07 | 湖南杉杉能源科技有限公司 | Inflatable ball valve convenient to dismantle installation |
| CN113623434A (en) * | 2021-08-21 | 2021-11-09 | 王凤阳 | Airtight three-way valve |
| CN113431921A (en) * | 2021-08-25 | 2021-09-24 | 常州满裕隆换热器有限公司 | Sealing structure and heat exchanger with same |
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