CN216896319U - Split pre-buried body upper-drainage cover - Google Patents
Split pre-buried body upper-drainage cover Download PDFInfo
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- CN216896319U CN216896319U CN202220308152.8U CN202220308152U CN216896319U CN 216896319 U CN216896319 U CN 216896319U CN 202220308152 U CN202220308152 U CN 202220308152U CN 216896319 U CN216896319 U CN 216896319U
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Abstract
A split type pre-buried body upper drainage cover comprises a pre-buried body, a plurality of water inlet connectors and a plurality of water outlet connectors, wherein the water inlet connectors are arranged on the side edge of the pre-buried body; the water inlet sealing hole is communicated with the water inlet joint through a water inlet waterway; the upper surface of the embedded body is provided with a plurality of water outlet sealing holes corresponding to the positions of the water outlet connectors; the water outlet sealing hole is communicated with the water outlet joint through a water outlet waterway; a cover body which is attached to the upper surface of the embedded body is covered right above the embedded body; the cover body and the embedded body are fixed through a fixing structure. The upper sewage discharge cover of the split type embedded body can cut off water flow flowing to the water outlet device in the shortest time, effectively improves the testing efficiency, can discharge impurities in a water channel inside the embedded body, realizes a sewage discharge effect, and ensures the cleanness degree of the water flow.
Description
Technical Field
The utility model relates to a sewage discharge cover, in particular to a split type pre-buried body upper-discharge sewage discharge cover.
Background
The embedded body is a faucet device which can be embedded into a wall body for installation, the faucet device is generally provided with a plurality of water inlet connectors and a plurality of water outlet connectors, the water inlet connectors are used for connecting water inlet pipelines, the water outlet connectors are used for connecting water outlet devices, such as faucet water nozzles, showers and the like, when the faucet water nozzles, the showers and the like are connected with the water outlet connectors, the problem of water leakage or air leakage does not exist in order to test an internal water path, the faucet water nozzles, the showers and the like are blocked by other tools, different water outlet devices exist in the structure, great difference exists in the structure, different water outlet devices are blocked at every time, the corresponding water outlet devices can be blocked by searching special tools, the whole test process is very troublesome, and the test efficiency is extremely low.
In the pre-buried body installation and with the in-process on the water intake pipe is connected to the pre-buried body with water outlet device, then can inevitably appear some pieces or impurity and get into to the water route of pre-buried internal portion, if consequently directly go out water through water outlet device, then can lead to thoughtlessly having impurity in the rivers, and the aperture of the apopore of tap water injection well choke and gondola water faucet is all minimum, the great impurity of some granule can't spout to the external world along with rivers at all, lead to spouting external rivers and all be the dirty rivers of having taken place the contact with impurity all the time, when serious, large granule impurity can block up the outlet hole of tap water injection well choke and gondola water faucet even, cause the unable normal play water of water outlet device.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the upper drain cover of the split embedded body, which can cut off the water flow flowing to the water outlet device in the shortest time, effectively improve the testing efficiency, discharge impurities in a water channel inside the embedded body, realize the sewage discharge effect and ensure the cleanness degree of the water flow.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model discloses a split pre-buried body upper drain cover, which comprises a pre-buried body, a plurality of water inlet connectors arranged on the side edge of the pre-buried body and a plurality of water outlet connectors arranged on the side edge of the pre-buried body, and is characterized in that: the upper surface of the embedded body is provided with a plurality of water inlet sealing holes corresponding to the positions of the water inlet joints; the water inlet sealing hole is communicated with the water inlet joint through a water inlet waterway; the upper surface of the embedded body is provided with a plurality of water outlet sealing holes corresponding to the positions of the water outlet joints; the water outlet sealing hole is communicated with the water outlet joint through a water outlet waterway; a cover body which is attached to the upper surface of the embedded body is covered right above the embedded body; the cover body and the embedded body are fixed through a fixing structure; the lower surface of the cover body is provided with a groove; the groove and the upper surface of the embedded body are enclosed to form a water delivery cavity, and the water inlet sealing hole and the water outlet sealing hole are communicated with the water delivery cavity; the upper surface of the cover body is provided with a plurality of water inlet sealing pipes which are coaxial with the water inlet sealing holes; the upper surface of the cover body is provided with a plurality of water outlet sealing pipes which are coaxial with the water outlet sealing holes; a sewage discharge pipe is arranged on the upper surface of the cover body; the sewage discharge pipe, the water inlet sealing pipe and the water outlet sealing pipe are communicated with the water delivery chamber; a blocking structure is arranged in each of the water inlet sealing pipe and the water outlet sealing pipe; the inner wall of the upper pipe orifice of the sewage discharge pipe is provided with a first internal thread.
The blocking structure comprises second internal threads arranged on the inner walls of the lower parts of the water inlet sealing pipe and the water outlet sealing pipe; the water inlet sealing pipe and the water outlet sealing pipe are in threaded connection with sealing screws through second internal threads; the lower end of the sealing screw penetrates into the water delivery chamber and is provided with a sealing head; the diameter of the water inlet sealing hole and the diameter of the water outlet sealing hole are both smaller than the diameter of the sealing head.
The sealing head is in a conical shape with a wide upper part and a narrow lower part; the diameter of the water inlet sealing hole and the diameter of the water outlet sealing hole are both larger than the diameter of the lower end of the sealing head, and the diameter of the water inlet sealing hole and the diameter of the water outlet sealing hole are both smaller than the diameter of the upper end of the sealing head.
The sealing head is made of rubber.
The center of the lower surface of the sealing screw is provided with an embedding hole; an embedding rod matched with the embedding hole is arranged in the center of the upper surface of the sealing head.
The peripheral surface of the head of the sealing screw is provided with a plurality of annular grooves which are uniformly distributed in the longitudinal direction; and an O-shaped ring matched with the annular groove is arranged in the annular groove.
The middle of the upper surface of the head of the sealing screw is provided with a straight groove.
The fixing structure comprises a plurality of through holes uniformly arranged on the cover body; the upper surface of the embedded body is provided with a plurality of screw holes coaxial with the through holes; a fixing screw passes through the through hole and is screwed in the screw hole, and the head of the fixing screw is attached to the upper surface of the cover body.
The lower surface of the cover body is provided with a sealing groove which encloses the groove; and a sealing ring matched with the sealing groove is arranged in the sealing groove.
The utility model has the beneficial effects that:
compared with the prior art, the upper drain cover of the split embedded body adopting the structure can cut off the water flow flowing to the water outlet device through the blocking structure in the water outlet sealing pipe, so that different water outlet devices can be blocked quickly in a phase change manner, the embedded body can be conveniently tested on water leakage and air leakage, the testing efficiency is effectively improved, the sewage discharge pipe and the blocking structure can clean impurities in all water paths in the embedded body, the condition that the water is not clean due to the fact that the water flow is mixed with the impurities is effectively avoided, and the condition that the normal water outlet of the water outlet device is influenced due to the fact that the water outlet device connected with the water outlet connector is blocked by the impurities can be effectively avoided.
Drawings
FIG. 1 is a sectional view of a drainage cover on a split pre-buried body of the utility model;
FIG. 2 is a schematic structural view of a dirt discharging cover on the split pre-buried body;
FIG. 3 is a perspective view of the upper drainage cover of the split pre-buried body of the utility model;
fig. 4 is a schematic structural view of the cover.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 4, the utility model provides a split pre-buried body upper drain cover, which comprises a pre-buried body 1, a plurality of water inlet connectors 2 arranged on the side edge of the pre-buried body 1 and a plurality of water outlet connectors 3 arranged on the side edge of the pre-buried body 1, wherein the upper surface of the pre-buried body 1 is provided with a plurality of water inlet sealing holes 4 corresponding to the positions of the water inlet connectors 2; the water inlet sealing hole 4 is communicated with the water inlet joint 2 through a water inlet waterway 5; the upper surface of the embedded body 1 is provided with a plurality of water outlet sealing holes 6 corresponding to the positions of the water outlet connectors 3; the water outlet sealing hole 6 is communicated with the water outlet joint 3 through a water outlet waterway 7; a cover body 8 attached to the upper surface of the embedded body 1 is covered right above the embedded body; the cover body 8 and the embedded body 1 are fixed through a fixing structure; the lower surface of the cover body 8 is provided with a groove 9; the groove 9 and the upper surface of the embedded body 1 are enclosed to form a water delivery chamber 10, and the water inlet sealing hole 4 and the water outlet sealing hole 6 are communicated with the water delivery chamber 10; the upper surface of the cover body 8 is provided with a plurality of water inlet sealing pipes 11 which are coaxial with the water inlet sealing holes 4; the upper surface of the cover body 8 is provided with a plurality of water outlet sealing pipes 12 which are coaxial with the water outlet sealing holes 6; a sewage discharge pipe 13 is arranged on the upper surface of the cover body 8; the sewage discharge pipe 13, the water inlet sealing pipe 11 and the water outlet sealing pipe 12 are communicated with the water delivery chamber 10; a blocking structure is arranged in each of the water inlet sealing pipe 11 and the water outlet sealing pipe 12; the inner wall of the pipe orifice at the upper end of the sewage discharge pipe 13 is provided with a first internal thread 14.
The blocking structure comprises second internal threads 15 which are arranged on the inner walls of the lower parts of the water inlet sealing pipe 11 and the water outlet sealing pipe 12; the water inlet sealing pipe 11 and the water outlet sealing pipe 12 are in threaded connection with a sealing screw 16 through a second internal thread 15; the lower end of the sealing screw 16 penetrates into the water delivery chamber 10 and is provided with a sealing head 17; the diameter of the water inlet sealing hole 4 and the diameter of the water outlet sealing hole 6 are both smaller than the diameter of the sealing head 17.
The sealing head 17 is in a conical shape with a wide upper part and a narrow lower part; the diameter of the water inlet sealing hole 4 and the diameter of the water outlet sealing hole 6 are both larger than the diameter of the lower end of the sealing head 17, and the diameter of the water inlet sealing hole 4 and the diameter of the water outlet sealing hole 6 are both smaller than the diameter of the upper end of the sealing head 17.
The sealing head 17 is made of rubber.
The center of the lower surface of the sealing screw 16 is provided with an embedding hole 18; an embedded rod 19 matched with the embedded hole 18 is arranged at the center of the upper surface of the sealing head 17.
The peripheral surface of the head of the sealing screw 16 is provided with a plurality of annular grooves 20 which are uniformly distributed in the longitudinal direction; an O-shaped ring 21 matched with the annular groove 20 is arranged in the annular groove.
The middle part of the upper surface of the head of the sealing screw 16 is provided with a straight groove 22.
The fixing structure comprises a plurality of through holes 23 uniformly arranged on the cover body 8; the upper surface of the embedded body 1 is provided with a plurality of screw holes 24 which are coaxial with the through holes 23; a fixing screw 25 passes through the through hole 23 and is screwed into the screw hole 24, and the head of the fixing screw 25 is attached to the upper surface of the cover 8.
The lower surface of the cover body 8 is provided with a sealing groove 26, and the groove 9 is enclosed by the sealing groove 26; a sealing ring 27 matched with the sealing groove 26 is arranged in the sealing groove.
The using method of the utility model is as follows:
when the blow-off pipe 13 is not used, a screw plug is generally screwed through the first internal thread 14, the upper end pipe orifice of the blow-off pipe 13 is blocked and sealed, when the embedded body is normally used, the sealing head 17 is positioned in the water delivery cavity 10, the water inlet sealing hole 4 is not blocked and the sealing water outlet hole 0 is not blocked, at the moment, the water inlet connector 2 and the water outlet connector 3 are communicated with the water delivery cavity 10, when water in the water inlet pipeline enters the water inlet connector 2, the water flows through the water inlet water channel 5 and the water inlet sealing hole 4 flows into the water delivery cavity 10, then flows through the water outlet sealing hole 6, the water outlet water channel 7 and the water outlet connector 3 into a water outlet device connected with the water outlet connector 3, and finally flows out of the water outlet device for use.
If the water outlet device which is actually needed is blocked to test whether water leakage or air leakage exists in the embedded body, the water outlet device which needs to be blocked is firstly observed to be connected with which water outlet connector 3, then which water outlet sealing hole 6 communicated with the water outlet connector 3 is judged according to the position of the water outlet connector 3, after the position of the water outlet sealing hole 6 is determined, the position of the water outlet sealing pipe 12 corresponding to the water outlet sealing hole 6 can be effectively determined, at the moment, the head of the sealing screw 16 in the water outlet sealing pipe 12 can be rotated, the sealing screw 16 can move downwards along the track of the second internal thread 15, when the sealing screw 16 moves downwards, the sealing head 17 arranged at the lower end of the sealing screw 16 moves downwards, finally, the sealing head 17 blocks and seals the upper end orifice of the water outlet sealing hole 6 which is positioned right below the sealing head, water entering the water conveying cavity 10 can not flow into the water outlet connector 3 communicated with the water outlet sealing hole through the water outlet sealing hole 6, thereby effectively cut off the rivers that flow to play water installation, the phase change blocks up play water installation, and this kind of jam mode is very simple, and operating efficiency is high, can block up corresponding play water seal hole 6, the sealed hole 4 of intaking according to actual needs.
If impurities in the embedded body need to be cleaned, all the water outlet sealing holes 6 can be blocked by the sealing heads 17 at the lower ends of the sealing screws 16, so that the situation that the impurities enter the water outlet device through the water outlet sealing holes 6 to pollute the inside of the water outlet device and block the water outlet hole of the water outlet device during pollution discharge is effectively avoided, then the screw plug originally used for sealing the pipe orifice at the upper end of the sewage discharge pipe 13 can be screwed out, the outside is communicated with the water delivery cavity 10 through the sewage discharge pipe 13, water flow along with a water inlet pipeline flushes into the water delivery cavity 10 through the water inlet connector 2 can drive the impurities in the embedded body to flow, the water flow along with the subsequent water flow continuously enters the water delivery cavity 10, the water pressure in the water delivery cavity 10 is continuously increased, and the water flow can discharge the impurities in the water delivery cavity 10 to the outside through the sewage discharge pipe 13 under the action of the water pressure, realize the effect of blowdown, the blowdown mode of course is not this, also can directly carry out the blowdown through water connectors 3, before carrying out the blowdown through water connectors 3, earlier dismantle the play water installation who connects on water connectors 3, thereby guarantee that the aperture of play water can effectively discharge large granule impurity, then will block up sealed head 17 on sealed hole 6 of play water moves up, under the sealed condition of screw end cap 13 upper end mouth of pipe jam of blow off pipe, along with sealed hole 6 of play water opens, rivers in the delivery chamber 10 then can take impurity to wash into to play water route 7 through sealed hole 6 of play water, simultaneously drive the impurity in the water route 7 of going out in the lump, finally follow water connectors 3 and discharge, thereby guarantee that the impurity in water route can both be cleared up totally, guarantee the clean degree of the rivers when the buried body uses.
In conclusion, the utility model can cut off the water flow flowing to the water outlet device through the blocking structure in the water outlet sealing pipe 12, thereby rapidly blocking different water outlet devices in a phase-changing manner, facilitating the test of the embedded body on water leakage and air leakage, effectively improving the test efficiency, cleaning up impurities in all water channels in the embedded body through the drain pipe 13 and the blocking structure, effectively avoiding the condition that the water flow is mixed with impurities to cause unclean water, and more effectively avoiding the condition that the impurities cause the blockage of the water outlet device connected with the water outlet connector 3 to influence the normal water outlet of the water outlet device.
The sealing head 17 is a taper with wide upper part and narrow lower part, the diameter of the water inlet sealing hole 4 and the diameter of the water outlet sealing hole 6 are both larger than the diameter of the lower end of the sealing head 17, the diameter of the water inlet sealing hole 4 and the diameter of the water outlet sealing hole 6 are both smaller than the diameter of the upper end of the sealing head 17, and therefore the sealing between the sealing head 17 and the water inlet sealing hole 4 and the sealing between the sealing head 17 and the water outlet sealing hole 6 are sealing between the surface and the line, so that the water inlet sealing hole 4 and the water outlet sealing hole 6 can be opened and closed quickly.
Sealing head 17 is the rubber material, after the upper end drill way jam sealing of sealed head 17 with sealed hole 4 or the sealed hole 6 of play water sealed hole of intaking, if it is sealed screw 16 and pushes down sealed head 17, sealed head 17 then can take place to warp, sealed head 17 further with sealed hole 4 of intaking, the interior border of the sealed hole 6 upper end drill way of play water is laminated mutually, further improve the leakproofness when sealed head 17 with sealed hole 4 of intaking, the sealed hole 6 upper end drill way of play water seals blocks up sealedly, play leak protection water effect, leak protection gas effect.
The center of the lower surface of the sealing screw 16 is provided with an embedding hole 18, the center of the upper surface of the sealing head 17 is provided with an embedding rod 19 matched with the embedding hole 18, the embedding rod 19 and the embedding hole 18 can be in interference fit, and the assembly mode is convenient for replacing the sealing head 17.
The peripheral face of the head of the sealing screw 16 is provided with a plurality of annular grooves 20 which are longitudinally and uniformly distributed, the annular grooves 20 are internally provided with O-shaped rings 21 matched with the annular grooves, and the existence of the O-shaped rings 21 can effectively improve the sealing performance between the sealing screw 16 and the water outlet sealing pipe 12 and between the sealing screw 16 and the water inlet sealing pipe 11, thereby further avoiding the occurrence of water leakage and air leakage.
The middle part of the upper surface of the head of the sealing screw 16 is provided with a straight groove 22, and a straight screwdriver is inserted into the straight groove 22, so that the head of the sealing screw 16 can be easily screwed, and the lifting of the sealing head 17 can be quickly realized.
The fixing structure comprises a plurality of through holes 23 evenly formed in the cover body 8, a plurality of screw holes 24 coaxial with the through holes 23 are formed in the upper surface of the embedded body 1, a fixing screw 25 penetrates through the through holes 23 and is in threaded connection with the screw holes 24, the head of the fixing screw 25 is attached to the upper surface of the cover body 8, the embedded body 1 and the cover body 8 can be conveniently disassembled and assembled in a fixing mode, and parts can be conveniently maintained and replaced.
Claims (9)
1. The utility model provides a dirty lid is arranged to split type embedded body, includes embedded body, a plurality of water supply connector of locating embedded body side and a plurality of water connectors of locating embedded body side, its characterized in that: the upper surface of the embedded body is provided with a plurality of water inlet sealing holes corresponding to the positions of the water inlet joints; the water inlet sealing hole is communicated with the water inlet joint through a water inlet waterway; the upper surface of the embedded body is provided with a plurality of water outlet sealing holes corresponding to the positions of the water outlet joints; the water outlet sealing hole is communicated with the water outlet joint through a water outlet waterway; a cover body which is attached to the upper surface of the embedded body is covered right above the embedded body; the cover body and the embedded body are fixed through a fixing structure; the lower surface of the cover body is provided with a groove; the groove and the upper surface of the embedded body are enclosed to form a water delivery cavity, and the water inlet sealing hole and the water outlet sealing hole are communicated with the water delivery cavity; the upper surface of the cover body is provided with a plurality of water inlet sealing pipes which are coaxial with the water inlet sealing holes; the upper surface of the cover body is provided with a plurality of water outlet sealing pipes which are coaxial with the water outlet sealing holes; a sewage discharge pipe is arranged on the upper surface of the cover body; the sewage discharge pipe, the water inlet sealing pipe and the water outlet sealing pipe are communicated with the water delivery chamber; a blocking structure is arranged in each of the water inlet sealing pipe and the water outlet sealing pipe; the inner wall of the upper pipe orifice of the sewage discharge pipe is provided with a first internal thread.
2. The upper row of dirty lid of split type pre-buried body of claim 1, characterized in that: the blocking structure comprises second internal threads arranged on the inner walls of the lower parts of the water inlet sealing pipe and the water outlet sealing pipe; the water inlet sealing pipe and the water outlet sealing pipe are in threaded connection with sealing screws through second internal threads; the lower end of the sealing screw penetrates into the water delivery chamber and is provided with a sealing head; the diameter of the water inlet sealing hole and the diameter of the water outlet sealing hole are both smaller than the diameter of the sealing head.
3. The upper row of dirty lid of split type pre-buried body of claim 2, characterized in that: the sealing head is in a conical shape with a wide upper part and a narrow lower part; the diameter of the water inlet sealing hole and the diameter of the water outlet sealing hole are both larger than the diameter of the lower end of the sealing head, and the diameter of the water inlet sealing hole and the diameter of the water outlet sealing hole are both smaller than the diameter of the upper end of the sealing head.
4. The upper row of dirty lid of split type pre-buried body of claim 3, characterized in that: the sealing head is made of rubber.
5. The upper row of dirty lid of split type pre-buried body of claim 3, characterized in that: the center of the lower surface of the sealing screw is provided with an embedding hole; an embedding rod matched with the embedding hole is arranged in the center of the upper surface of the sealing head.
6. The upper row of dirty lid of split type pre-buried body of claim 2, characterized in that: the peripheral surface of the head of the sealing screw is provided with a plurality of annular grooves which are uniformly distributed in the longitudinal direction; and an O-shaped ring matched with the annular groove is arranged in the annular groove.
7. The upper row of dirty lid of split type pre-buried body of claim 2, characterized in that: the middle of the upper surface of the head of the sealing screw is provided with a straight groove.
8. The upper row of dirty lid of split type pre-buried body of claim 1, characterized in that: the fixing structure comprises a plurality of through holes uniformly arranged on the cover body; the upper surface of the embedded body is provided with a plurality of screw holes coaxial with the through holes; a fixing screw passes through the through hole and is screwed in the screw hole, and the head of the fixing screw is attached to the upper surface of the cover body.
9. The upper row of dirty lid of split type pre-buried body of claim 1, characterized in that: the lower surface of the cover body is provided with a sealing groove which encloses the groove; and a sealing ring matched with the sealing groove is arranged in the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220308152.8U CN216896319U (en) | 2022-02-15 | 2022-02-15 | Split pre-buried body upper-drainage cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220308152.8U CN216896319U (en) | 2022-02-15 | 2022-02-15 | Split pre-buried body upper-drainage cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216896319U true CN216896319U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220308152.8U Active CN216896319U (en) | 2022-02-15 | 2022-02-15 | Split pre-buried body upper-drainage cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216896319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822097A (en) * | 2022-12-27 | 2023-03-21 | 广东建科建设咨询有限公司 | Assembly type building pipeline embedded part and embedding method thereof |
-
2022
- 2022-02-15 CN CN202220308152.8U patent/CN216896319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822097A (en) * | 2022-12-27 | 2023-03-21 | 广东建科建设咨询有限公司 | Assembly type building pipeline embedded part and embedding method thereof |
| CN115822097B (en) * | 2022-12-27 | 2023-10-03 | 广东建科建设咨询有限公司 | Assembled building pipeline embedded part and embedded method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230106 Address after: 317609 No. 20, Middle Xizhong Road, Xiaomixi Village, Longxi Township, Yuhuan County, Taizhou City, Zhejiang Province Patentee after: Guo Litian Address before: 317609 Longxi Town Industrial Zone, Yuhuan City, Taizhou, Zhejiang Patentee before: Yuhuan XINDELI Valve Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230310 Address after: 317609 Longxi Town Industrial Zone, Yuhuan City, Taizhou, Zhejiang Patentee after: Yuhuan XINDELI Valve Co.,Ltd. Address before: 317609 No. 20, Middle Xizhong Road, Xiaomixi Village, Longxi Township, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: Guo Litian |