CN219796319U - Leak protection water seal structure - Google Patents
Leak protection water seal structure Download PDFInfo
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- CN219796319U CN219796319U CN202321264245.6U CN202321264245U CN219796319U CN 219796319 U CN219796319 U CN 219796319U CN 202321264245 U CN202321264245 U CN 202321264245U CN 219796319 U CN219796319 U CN 219796319U
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- rotor
- base
- ring
- eccentric shaft
- outer diameter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
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Abstract
The utility model relates to a water leakage prevention sealing structure which comprises a body, a base, a sealing ball, an eccentric shaft, a rotor and a motor, wherein the base is arranged above the body and detachably connected with the body, a joint for connecting a pipeline is arranged on the body, the interior of the body is hollow, the joint is communicated with the interior of the body, the sealing ball is positioned in the body, the sealing ball is fixed at the bottom end of the eccentric shaft, the eccentric shaft penetrates the base from the lower direction of the base, the top end of the eccentric shaft is connected with the output end of the motor through the rotor, the rotor is positioned at the top of the base, and a gap exists between the bottom end of the rotor and the base. Its advantage lies in, through forming the butt ring in the bottom of rotor, the bottom of butt ring is contradicted with the top of base, and the inboard installation first sealing ring of butt ring guarantees the sealing performance between base and the rotor for water can not reveal out from the inside of butt ring.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a water leakage preventing sealing structure.
Background
The process water of mill is dirty water when draining, in order to guarantee that dirty water does not influence the normal operation of production workshop section, can utilize usually to install the outlet valve in drainage department to guarantee that dirty water that the production process produced is discharged from an export of outlet valve.
When the existing water outlet valve is used, dirty water can emerge upwards from a gap between an eccentric shaft of the water outlet valve and a base, a gap is also formed between the bottom of a rotor for connecting a motor at the top end of the eccentric shaft and the base, and the dirty water can leak out from the gap between the eccentric shaft and the base and between the bottom of the rotor and the base after entering the water outlet valve from an interface.
At present, the technical problem that dirty water discharged through a water outlet valve leaks from a gap between an eccentric shaft and a base and a gap between the bottom of a rotor and the base when the water outlet valve is used is not solved properly.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a water leakage prevention sealing structure so as to solve the technical problem that dirty water discharged through a water outlet valve leaks from a gap between an eccentric shaft and a base and a gap between the bottom of a rotor and the base when the water outlet valve is used.
The above object of the present utility model is achieved by the following technical solutions:
the utility model provides a water leakage prevention sealing structure which comprises an eccentric shaft, a rotor and a base, wherein the rotor is arranged above the base, the top end of the eccentric shaft penetrates through the base and is connected with the rotor, a sleeve is arranged on the base corresponding to the shaft body of the eccentric shaft, the sleeve is sleeved on the outer side of the eccentric shaft, the top end of the sleeve is positioned in the bottom end of the rotor, an abutting ring is formed at the bottom end of the rotor, the inner diameter of the abutting ring is larger than the inner diameter of the bottom end of the rotor, the bottom end of the abutting ring is abutted against the top end of the base, a first sealing ring is arranged on the inner side of the abutting ring, and the first sealing ring is sleeved on the periphery of the sleeve.
As some of these embodiments, the rotor is divided into an upper portion and a lower portion, an outer diameter of the upper portion of the rotor is smaller than an outer diameter of the lower portion of the rotor, an outer diameter of the abutment ring is equal to the outer diameter of the lower portion of the rotor, an inner diameter of the abutment ring is larger than an inner diameter of a bottom end of the lower portion of the rotor, and the abutment ring is integrally formed with the lower portion of the rotor.
As some embodiments, the bottom end of the rotor forms an extension part, the bottom end of the extension part is connected with the top end of the abutting ring, the extension part is in a truncated cone shape, the outer diameter/inner diameter of the top end of the extension part is equal to the outer diameter/inner diameter of the bottom end of the rotor, and the outer diameter/inner diameter of the bottom end of the extension part is equal to the outer diameter/inner diameter of the abutting ring.
As some of these embodiments, the first seal ring has an outer diameter equal to an inner diameter of the abutment ring.
As some embodiments, a plurality of limiting areas are arranged on the eccentric shaft, and a second sealing ring is sleeved in the limiting areas of the eccentric shaft.
In summary, the beneficial technical effects are as follows:
through forming the butt ring in the bottom of rotor, the bottom of butt ring is contradicted with the top of base, and the inboard installation first sealing ring of butt ring guarantees the sealing performance between base and the rotor for water can not reveal out from the inside of butt ring.
Drawings
FIG. 1 is a schematic diagram of a prior art outlet valve according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a rotor according to the prior art according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a waterproof seal structure according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a connection structure between an abutment ring and a rotor according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a connection structure between the abutment ring and the rotor according to an embodiment of the utility model (ii).
Reference numerals:
1. a body; 2. a base; 3. a sealing ball; 4. an eccentric shaft; 5. a rotor; 501. an upper part; 502. a lower part; 503. an extension; 6. a motor; 7. a sleeve; 8. an abutment ring; 9. a first seal ring; 10. and a second seal ring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
As shown in fig. 1-2, the water outlet valve in the prior art comprises a body 1, a base 2, a sealing ball 3, an eccentric shaft 4, a rotor 5 and a motor 6, wherein the base 2 is arranged above the body 1 and detachably connected with the body 1, a joint for connecting a pipeline is arranged on the body 1, the interior of the body 1 is hollow, the joint is communicated with the interior of the body 1, the sealing ball 3 is positioned in the body 1, the sealing ball 3 is fixed at the bottom end of the eccentric shaft 4, the eccentric shaft 4 penetrates through the base 2 from the lower direction of the base 2, the top end of the eccentric shaft 4 is connected with the output end of the motor 6 through a rotor 5, the rotor 5 is positioned at the top of the base 2, and a gap exists between the bottom end of the rotor 5 and the base 2.
The base 2 is provided with a sleeve 7 corresponding to the shaft body of the eccentric shaft 4, the sleeve 7 is sleeved on the outer side of the eccentric shaft 4, and the top end of the sleeve 7 is positioned in the bottom end of the rotor 5.
When the water outlet valve is installed at the water drainage position and used, dirty water generated in the production process enters the body 1 through the joint, and as gaps exist between the eccentric shaft 4 and the sleeve 7 of the base 2 and gaps exist between the bottom end of the rotor 5 and the base 2, the sealing effect is poor, and therefore the dirty water seeps from the bottom end of the base 2 to the top end of the base 2.
Aiming at the problem that the sealing performance of a gap between an eccentric shaft 4 and a base 2 is poor, the utility model discloses a water leakage prevention sealing structure shown in figure 3, which comprises the eccentric shaft 4, a rotor 5 and the base 2, wherein the rotor 5 is arranged above the base 2, the top end of the eccentric shaft 4 penetrates through the base 2 and is connected with the rotor 5, a sleeve 7 is arranged on the base 2 corresponding to the shaft body of the eccentric shaft 4, the sleeve 7 is sleeved on the outer side of the eccentric shaft 4, the top end of the sleeve 7 is positioned in the bottom end of the rotor 5, the bottom end of the rotor 5 forms an abutting ring 8, the inner diameter of the abutting ring 8 is larger than the inner diameter of the bottom end of the rotor 5, the bottom end of the abutting ring 8 abuts against the top end of the base 2, a first sealing ring 9 is arranged on the inner side of the abutting ring 8, and the first sealing ring 9 is sleeved on the periphery of the sleeve 7.
Through making the bottom of butt ring 8 contradict with the top of base 2, guarantee to have not had the clearance between the top of butt ring 8 and base 2, locate sleeve pipe 7's periphery through setting up first sealing ring 9 cover, further guarantee the leakproofness between butt ring 8 and the base 2, even water oozes in the gap between sleeve pipe 7 of eccentric shaft 4 and base 2, also can not reveal out from the inside of butt ring 8 because of the bottom of first sealing ring 9 and butt ring 8 and the top of base 2 contradicts, increased the sealing performance between base 2 and the rotor 5.
Wherein the outer diameter of the first sealing ring 9 is equal to the inner diameter of the abutment ring 8.
As shown in fig. 4, as some of the embodiments, the rotor 5 is divided into an upper portion 501 and a lower portion 502, the outer diameter of the upper portion 501 of the rotor 5 is smaller than the outer diameter of the lower portion 502 of the rotor 5, the outer diameter of the abutment ring 8 is equal to the outer diameter of the lower portion 502 of the rotor 5, the inner diameter of the abutment ring 8 is larger than the inner diameter of the bottom end of the lower portion 502 of the rotor 5, and the abutment ring 8 is integrally formed with the lower portion 502 of the rotor 5.
As shown in fig. 5, as some embodiments, an extension portion 503 is formed at the bottom end of the rotor 5, the bottom end of the extension portion 503 is connected to the top end of the abutment ring 8, the extension portion 503 is in a truncated cone shape, the outer diameter/inner diameter of the top end of the extension portion 503 is equal to the outer diameter/inner diameter of the bottom end of the rotor 5, and the outer diameter/inner diameter of the bottom end of the extension portion 503 is equal to the outer diameter/inner diameter of the abutment ring 8.
Further, a plurality of limiting areas are arranged on the eccentric shaft 4, and a second sealing ring 10 is sleeved in the limiting areas of the eccentric shaft 4.
Wherein the number of second sealing rings 10 is at least three.
Due to the presence of the second sealing ring 10, the tightness of the gap between the eccentric shaft 4 and the sleeve 7 is ensured, preventing water from seeping out of the gap between the eccentric shaft 4 and the sleeve 7.
The first seal ring 9 and the second seal ring 10 are made of fluororubber. Fluororubber is a synthetic polymer elastomer containing fluorine atoms on carbon atoms of a main chain or a side chain. The introduction of fluorine atoms endows the rubber with excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, is widely applied to the fields of aerospace, aviation, automobiles, petroleum, household appliances and the like, and is a key material which cannot be replaced in the national defense tip industry.
The principle of use of this embodiment is as follows:
when the water outlet valve is installed at the water drainage position, dirty water generated in the production process enters the body 1 through the joint, the bottom end of the abutting ring 8 is abutted against the top end of the base 2, no gap exists between the abutting ring 8 and the top end of the base 2, the first sealing ring 9 is sleeved on the periphery of the sleeve 7, the tightness between the abutting ring 8 and the base 2 is further ensured, and even if water seeps out from a gap between the eccentric shaft 4 and the sleeve 7 of the base 2, the dirty water cannot leak out from the inside of the abutting ring 8 due to the abutting of the bottom end of the first sealing ring 9 and the abutting ring 8 and the top end of the base 2, so that the sealing performance between the base 2 and the rotor 5 is improved;
by providing the second sealing ring 10, the tightness of the gap between the eccentric shaft 4 and the sleeve 7 is ensured, preventing water from seeping out from the gap between the eccentric shaft 4 and the sleeve 7.
The advantages of this embodiment are: through forming the butt ring in the bottom of rotor, the bottom of butt ring is contradicted with the top of base, and the inboard installation first sealing ring of butt ring guarantees the sealing performance between base and the rotor for water can not reveal out from the inside of butt ring.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereby, and the embodiments can be combined with each other for use, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. The utility model provides a leak protection water seal structure, includes eccentric shaft, rotor and base, the rotor set up in the top of base, the top of eccentric shaft runs through the base and is connected with the rotor, the base corresponds the axis body of eccentric shaft is provided with the sleeve pipe, the sleeve pipe cover is located the outside of eccentric shaft, the sleeve pipe top is located the inside bottom of rotor, a serial communication port, the bottom of rotor forms an abutment ring, the internal diameter of abutment ring is greater than the bottom internal diameter of rotor, the bottom of abutment ring with the top of base is contradicted, a first sealing ring is installed to the inboard of abutment ring, a sealing ring cover is located the sheathed tube periphery.
2. The water leakage preventing seal structure according to claim 1, wherein the rotor is divided into an upper portion and a lower portion, an outer diameter of the upper portion of the rotor is smaller than an outer diameter of the lower portion of the rotor, an outer diameter of the abutment ring is equal to the outer diameter of the lower portion of the rotor, an inner diameter of the abutment ring is larger than an inner diameter of a bottom end of the lower portion of the rotor, and the abutment ring is integrally formed with the lower portion of the rotor.
3. The water leakage preventing seal structure according to claim 1, wherein the bottom end of the rotor forms an extension portion, the bottom end of the extension portion is connected with the top end of the abutment ring, the extension portion is in a truncated cone shape, the top end outer diameter/inner diameter of the extension portion is equal to the bottom end outer diameter/inner diameter of the rotor, and the bottom end outer diameter/inner diameter of the extension portion is equal to the outer diameter/inner diameter of the abutment ring.
4. The water seal structure according to claim 1, wherein an outer diameter of the first seal ring is equal to an inner diameter of the abutment ring.
5. The water leakage prevention sealing structure according to claim 1, wherein a plurality of limiting areas are arranged on the eccentric shaft, and a second sealing ring is sleeved in the limiting areas of the eccentric shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321264245.6U CN219796319U (en) | 2023-05-24 | 2023-05-24 | Leak protection water seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321264245.6U CN219796319U (en) | 2023-05-24 | 2023-05-24 | Leak protection water seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796319U true CN219796319U (en) | 2023-10-03 |
Family
ID=88157157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321264245.6U Active CN219796319U (en) | 2023-05-24 | 2023-05-24 | Leak protection water seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796319U (en) |
-
2023
- 2023-05-24 CN CN202321264245.6U patent/CN219796319U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |