CN207569233U - A kind of tank bottom valve core - Google Patents
A kind of tank bottom valve core Download PDFInfo
- Publication number
- CN207569233U CN207569233U CN201721662907.XU CN201721662907U CN207569233U CN 207569233 U CN207569233 U CN 207569233U CN 201721662907 U CN201721662907 U CN 201721662907U CN 207569233 U CN207569233 U CN 207569233U
- Authority
- CN
- China
- Prior art keywords
- cap
- inclusion enclave
- bottom valve
- spool
- executing agency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of tank bottom valve cores, cap including spool skeleton and for sealing bottom valve feed inlet and the silicon rubber base for completely cutting off executing agency, the material of cap is polytetrafluoroethylene (PTFE), cap wraps the top of spool skeleton, silicon rubber base wraps spool skeleton bottom sidewall, and the threaded hole or inside groove being connect with the valve rod of executing agency are offered on the end face of spool skeleton bottom.The valve core structure is simple, compact, and installation footprint is small, and resistance to corrosion is strong.
Description
Technical field
The utility model is related to pipeline valve technical fields, and in particular to a kind of medicinal tank bottom cut-off valve core.
Background technology
In production Moschus acne cream (product patent number：ZL02139188.2) in raw material configuration process, material-compound tank it is medicinal
Tank bottom cut-off spool is generally using fluorubber, silastic material as sealing material, such as the medicinal bottom valve Nov of import
Aseptic, model：PA51/111.But due to containing the substances such as petroleum solvent product, grease in material, medicinal bottom valve uses
After short period, spool causes bottom valve to lose effect with regard to quick aging.
Invention content
To solve the above-mentioned problems of the prior art, the utility model provides a kind of tank bottom valve core, the spool knot
Structure is simple, compact, and installation footprint is small, and resistance to corrosion is strong.
Technical solution is used by realizing the utility model above-mentioned purpose：
A kind of tank bottom valve core, including spool skeleton, further include cap for sealing bottom valve feed inlet and for every
The silicon rubber base of exhausted executing agency, the material of cap is polytetrafluoroethylene (PTFE), and cap wraps the top of spool skeleton, silicon rubber
Pedestal wraps spool skeleton bottom sidewall and completely cuts off executing agency, is offered on the end face of spool skeleton bottom and executing agency
Valve rod connection threaded hole or inside groove.
The spool skeleton is in mushroom, and spool skeleton is made of top plate and montant, and montant is perpendicular to top plate, cap packet
Block ontology is included, block ontology is in bottle cap shape, and the top of block is equipped with the closure protrusion for blocking bottom valve feed inlet, cap
Lid inner wall is equipped with annular groove, and the circumferential edges of top plate are snapped in annular groove.
Silicon rubber base is made of top inclusion enclave, middle part inclusion enclave and lower part inclusion enclave, and top inclusion enclave is tapered, top
The bottom surface of portion's inclusion enclave is wrapped on the upper surface of top plate, and cap top inner surface is tapered, and cap and top inclusion enclave are close
Fitting, for middle part inclusion enclave in horn-like, the large port of middle part inclusion enclave wraps the lower surface of top plate, middle part inclusion enclave remaining
Portion envelops live the upper portion side wall of montant, and lower part inclusion enclave is in umbrella, and lower part inclusion enclave wraps montant lower sides and completely cuts off
Executing agency.
It is tapered to block protrusion.
Compared with prior art, the beneficial effects of the utility model and advantage are：
The spool has used two kinds of materials to be sealed, molten for oil using polytetrafluoroethylene material as cap
The substances such as agent product and grease have excellent tolerance, are sealed using the good silicon rubber base of ductility, are beaten in spool
Completely cut off material in open and close process to contact with executing agency.
Description of the drawings
Fig. 1 is the structure diagram of tank bottom valve core.
Fig. 2 is the installation diagram of tank bottom valve core.
Wherein, 1- caps, 2- silicon rubber bases, 3- spools skeleton, 4- top plates, 5- montants, 6- tops inclusion enclave, 7- middle parts
Inclusion enclave, 8- lower parts inclusion enclave, 9- bottom valves feed inlet, the discharging of 10- bottom valves, 11- executing agencies, 12- valve rods, 13- annulars
Groove, 14- block protrusion.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
The structure of the tank bottom valve core of the utility model is as shown in Figure 1, the spool includes spool skeleton 3, for hermetically sealed can
The cap 1 of bottom valve feed inlet and the silicon rubber base 2 for completely cutting off executing agency.
The spool skeleton 3 is in mushroom, and spool skeleton 3 is made of top plate 4 and montant 5, and montant 5 is perpendicular to top plate 4.
The threaded hole or inside groove being connect with the valve rod of executing agency 11 12 are offered on the end face of 3 bottom of spool skeleton
The material of the cap 1 is polytetrafluoroethylene (PTFE), and cap 1 includes block ontology, and block ontology is in bottle cap shape, block
The top of ontology is equipped with the closure protrusion 14 for blocking bottom valve feed inlet, blocks raised 14 tapered, cap ontology tops
Portion's inner surface is tapered.1 inner wall of cap is equipped with annular groove 13, and the circumferential edges of top plate 4 are snapped in annular groove 13.
Silicon rubber base 2 is made of top inclusion enclave 6, middle part inclusion enclave 7 and lower part inclusion enclave 8.Top inclusion enclave 6 is in cone
Shape, the bottom surface of top inclusion enclave 6 are wrapped on the upper surface of top plate 4, and cap 1 is fitted closely with 6 top of top inclusion enclave.Middle part
Inclusion enclave 7 is in horn-like, and the large port of middle part inclusion enclave 7 wraps the lower surface of top plate 4, the rest part of middle part inclusion enclave 7
Wrap the upper portion side wall of montant 5.Lower part inclusion enclave 8 is in umbrella, and lower part inclusion enclave 8 wraps 5 lower sides of montant and completely cuts off
Executing agency.Spool skeleton 3 and silicon rubber base 2 form one by the technique of hot briquetting.
The operation principle of the tank bottom valve core of the utility model is as follows：
As shown in Fig. 2, the cylinder when executing agency 11 resets, valve rod 12 is moved upwards with movable valve plug, bottom valve feed inlet 9
It closes, since cap is polytetrafluoroethylene material, material in the effective sealed shell of tank of energy prevents petroleum solvent product and grease etc.
Substance corrodes；When the cylinder of executing agency 11 moves downward, valve rod 12 is moved downward with movable valve plug, and bottom valve is opened, material
It is flowed out through bottom valve discharge port 10, silicon rubber base 2 shrinks isolation material and contacted with executing agency 11.
Claims (4)
1. a kind of tank bottom valve core, including spool skeleton, it is characterised in that：Further include the cap for sealing bottom valve feed inlet
With for completely cutting off the silicon rubber base of executing agency, the material of cap is polytetrafluoroethylene (PTFE), and cap wraps the top of spool skeleton
Portion, silicon rubber base wrap spool skeleton bottom sidewall and completely cut off executing agency, are offered on the end face of spool skeleton bottom
The threaded hole or inside groove being connect with the valve rod of executing agency.
2. tank bottom valve core according to claim 1, it is characterised in that：The spool skeleton is in mushroom, spool bone
Frame is made of top plate and montant, and montant is perpendicular to top plate, and cap includes block ontology, and block ontology is in bottle cap shape, block ontology
Top be equipped with for block bottom valve feed inlet closure protrusion, cap inner wall be equipped with annular groove, the circumference of top plate
Edge is snapped in annular groove.
3. tank bottom valve core according to claim 2, it is characterised in that：Silicon rubber base is wrapped by top inclusion enclave, middle part
It wraps up in body and lower part inclusion enclave is formed, top inclusion enclave is tapered, and the bottom surface of top inclusion enclave is wrapped on the upper surface of top plate, cap
Tops inner surface is tapered, and cap is fitted closely with top inclusion enclave, middle part inclusion enclave in horn-like, middle part inclusion enclave it is big
Port wraps the lower surface of top plate, and the rest part of middle part inclusion enclave wraps the upper portion side wall of montant, and lower part inclusion enclave is in
Umbrella, lower part inclusion enclave wrap montant lower sides and completely cut off executing agency.
4. tank bottom valve core according to claim 2, it is characterised in that：It is tapered to block protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662907.XU CN207569233U (en) | 2017-12-04 | 2017-12-04 | A kind of tank bottom valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662907.XU CN207569233U (en) | 2017-12-04 | 2017-12-04 | A kind of tank bottom valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569233U true CN207569233U (en) | 2018-07-03 |
Family
ID=62689634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721662907.XU Active CN207569233U (en) | 2017-12-04 | 2017-12-04 | A kind of tank bottom valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781435A (en) * | 2017-12-04 | 2018-03-09 | 马应龙药业集团股份有限公司 | A kind of tank bottom valve core |
-
2017
- 2017-12-04 CN CN201721662907.XU patent/CN207569233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781435A (en) * | 2017-12-04 | 2018-03-09 | 马应龙药业集团股份有限公司 | A kind of tank bottom valve core |
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