CN207514341U - A kind of Antistatic ball valve - Google Patents
A kind of Antistatic ball valve Download PDFInfo
- Publication number
- CN207514341U CN207514341U CN201721464390.3U CN201721464390U CN207514341U CN 207514341 U CN207514341 U CN 207514341U CN 201721464390 U CN201721464390 U CN 201721464390U CN 207514341 U CN207514341 U CN 207514341U
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- CN
- China
- Prior art keywords
- raw edge
- ball valve
- anchor ear
- pigtail splice
- antistatic
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Abstract
The utility model discloses a kind of Antistatic ball valves, it is desirable to provide improves PE ball valves raw edge connection structure intensity and service life, while prevent a kind of Antistatic ball valve of electrostatic explosion accident using metal threaded inserts.It includes ball valve body and desorption tube, desorption tube one end connection ball valve body, other end setting raw edge, metal threaded pincers part is embedded on the inside of the raw edge end, setting anchor ear on the outside of raw edge end, the anchor ear, which is provided with, draws money connector, the pigtail splice sequentially passes through anchor ear and raw edge side wall, and pigtail splice end abuts against metal threaded pincers part, and pigtail splice is connected with ground lead.The utility model has the advantages that：（1）Metal threaded inserts improves PE ball valves raw edge connection structure intensity and service life；（2）Ground lead is grounded metal structure, prevent metal structure touch and rub generate electrostatic occur explosion accident.（3）Sealing structure is set, enhances raw edge sealing effect.
Description
Technical field
The utility model is related to PE ball valves technical field more particularly to a kind of PE with metal threaded and electrostatic prevention structure
Ball valve.
Background technology
Gas pipeline system PE ball valves play the on-off action in pipe gas transmission process, therefore running pipeline leads to
Often need the fuel gas transmission switched to control downstream by valve.Used PE valves are all to construct currently on the market
Cheng Hou can be connected pressure gauge when carrying out pressure testing by the diffusion mouth.Raw edge is threaded, and is connected through a screw thread steel modeling conversion
Connector and pressure gauge, existing PE pipes, equally using PE materials, are repeatedly carrying out steel modeling crossover sub or pressure in this part
Thread abrasion can be caused after the dismounting of power table, connection accuracy and firmness is caused to decline, while also influence whether close at raw edge
Sealing property, the final using effect for influencing PE ball valves.
Therefore, it attempts in the industry in raw edge part using metal material instead PE materials easy to wear, to improve raw edge connection
The intensity and service life of structure.But this also brings along safety issue.It, can be because of operation when being attached operation
Situations such as improper generation metal bump or friction and generate electrostatic, light internal combustion gas and explosion accident occur.Accordingly, it is difficult to simultaneously
Take into account PE ball valves raw edge connector service life and the technical solution of safety.
Utility model content
The utility model is to solve the above-mentioned shortcoming of the prior art, provides and improves PE balls using metal threaded inserts
Valve raw edge connection structure intensity and service life, while prevent a kind of Antistatic ball valve of electrostatic explosion accident.
To achieve the above object, the utility model uses following technical scheme：
A kind of Antistatic ball valve of the utility model, including ball valve body and desorption tube, desorption tube one end connection ball valve master
Body, other end setting raw edge, the raw edge end inside are embedded with metal threaded pincers part, anchor ear, institute are set on the outside of raw edge end
It states anchor ear and is provided with and draw money connector, the pigtail splice sequentially passes through anchor ear and raw edge side wall, and pigtail splice end abuts against metal
Clamp thread part, pigtail splice are connected with ground lead.
Metal threaded inserts is embedded in the raw edge end of desorption tube, as the screw connection structure for diffusing pipe end, generation
For the technical solution that original raw edge inner wall is directly threaded, threaded connection intensity and the use of desorption tube can be effectively improved
Service life.Anchor ear compresses raw edge end, improves raw edge outer wall construction intensity, while improve the connection of metal threaded inserts and desorption tube
Intensity.Pigtail splice is used to ground lead connecting metal threaded inserts, prevents the metal structure electrostatic generated that touches and rub from sending out
Raw explosion accident.
Preferably, setting several annular protrusions in side ring week along outside metal threaded pincers part, set along raw edge madial wall ring week
There is the annular groove for coordinating the annular protrusion.Annular groove and annular protrusion cooperation make metal threaded inserts and raw edge accurate
It is connected, prevents from coming off, and improve sealing effect.
Preferably, each annular protrusion partly raw edge end is inwardly sequentially increased without leave.
Preferably, two adjacent annular protrusions are successively set on metal threaded inserts lateral surface for one group, with group annular
It is less than the annular protrusion top surface width far from raw edge end close to the annular protrusion top surface width of raw edge end in protrusion.
Preferably, anchor ear, which is located at raw edge open at one end internal diameter, is less than one end internal diameter far from raw edge opening.Anchor ear it is interior
Side structure makes it possible to anchor ear and effectively compresses raw edge, while improves metal threaded inserts and three mouthful of bonding strength.
Preferably, raw edge side wall is provided with threaded hole, pigtail splice passes through the through-hole and is threadedly coupled threaded hole.
Preferably, anchor ear medial surface is provided with guide groove far from one end that raw edge is open, guide groove is along anchor ear axial direction
Anchor ear lower ending opening is extended to, guide groove is equipped with inclined-plane close to one end slot bottom of raw edge, and the outer end of pigtail splice is located at described lead
Into slot.
Preferably, the chamfering on pigtail splice outer end edges setting cooperation guide groove inclined-plane.
Preferably, desorption tube is provided with sealing ring in anchor ear lower edge, the sealing ring top edge setting coordinates under anchor ear
Edge shape seal groove.
Preferably, ground lead passes through the sealing ring.
Therefore, the utility model has the advantages that：（1）Metal threaded inserts improves PE ball valve raw edge connection structures
Intensity and service life；（2）Ground lead is grounded metal structure, prevent metal structure touch and rub generate electrostatic occur it is quick-fried
Fried accident.（3）Sealing structure is set, enhances raw edge sealing effect.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the desorption tube partial structural diagram of the utility model.
Fig. 3 is close-up schematic view at Fig. 2 " A ".
In figure：1 ball valve body；2 desorption tubes；3 raw edges；31 annular grooves；4 metal threaded pincers parts；41 annular protrusions；5 armfuls
Hoop；6 draw money connector；7 ground leads；8 guide grooves；81 inclined-planes；9 sealing rings；91 seal grooves.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
A kind of Antistatic ball valve of the utility model as shown in Figure 1 and Figure 2, including ball valve body 1 and desorption tube 2, desorption tube
2 one end connection ball valve body 1, other end setting raw edge 3,3 end of the raw edge inside are embedded with metal threaded pincers part 4.
As shown in Figure 2 and Figure 3, several annular protrusions 41 are set along metal threaded pincers 4 outer side ring week of part, along 3 madial wall of raw edge
It is provided with the annular groove 31 for coordinating the annular protrusion 41 ring week.
Metal threaded each annular protrusion 41 of inserts partly 3 end of raw edge is inwardly sequentially increased, and metal threaded embedding without leave
Part side between annular protrusion 41 part partly 3 end of raw edge is inwardly sequentially increased without leave.
Two adjacent annular protrusions 41 are successively set on metal threaded inserts lateral surface for one group, in group annular protrusion 41
41 top surface width of annular protrusion close to 3 end of raw edge is less than the 41 top surface width of annular protrusion far from 3 end of raw edge.
Metal threaded inserts is mounted in 3 inside of raw edge, with PE ball valves together injection molding, annular groove 31 and annular
Protrusion 41 coordinates, and metal threaded inserts is made to be connected with 3 precision-fit of raw edge, prevents from coming off, and improve sealing effect.
Setting anchor ear 5,5 medial surface of anchor ear are set as inclined-plane 81 on the outside of 3 end of raw edge, and anchor ear 5 is made to be located at the opening of raw edge 3 one
Internal diameter is held to be less than one end internal diameter being open far from raw edge 3.The medial surface structure of anchor ear 5 makes it possible to anchor ear 5 and effectively compresses raw edge
3, while improve metal threaded inserts and three mouthful of bonding strength.
5 medial surface of anchor ear is provided with guide groove 8 far from one end that raw edge 3 is open, and guide groove 8 is axially extending along anchor ear 5
To 5 lower ending opening of anchor ear.Guide groove 8 is equipped with inclined-plane 81 close to one end slot bottom of raw edge 3, makes guide groove 8 in the groove depth of this one end
It is gradually reduced.
3 side wall of raw edge is provided with threaded hole.Pigtail splice uses bolt, and the lead street corner passes through the through-hole and screw thread
Connection screw thread hole.Pigtail splice end abuts against metal threaded pincers part 4.The external end head portion of pigtail splice is located in the guide groove 8.
The chamfering at pigtail splice outer end 8 slot bottom angle of inclination of head edge setting cooperation guide groove.Pass through the inclined-plane 81 of 8 end of guide groove
With the chamfering structure, pigtail splice is pressed inwardly into when anchor ear 5 is set on exhalant, ensures pigtail splice firm contact
Metal threaded pincers part 4.
Desorption tube 2 is provided with sealing ring 9,9 top edge of the sealing ring setting cooperation 5 lower edge shape of anchor ear in 5 lower edge of anchor ear
Shape seal groove 91.Pigtail splice is connected with ground lead 7.Ground lead 7 passes through the sealing ring 9.Sealing ring 9 further enhances
Structure sealing performance effectively inhibits PE ball valves interior media to be revealed from pigtail splice junction.
The anchor ear 5, which is provided with, draws money connector 6, and the pigtail splice sequentially passes through 3 side wall of anchor ear 5 and raw edge, metal spiral shell
Line inserts is embedded in 3 end of raw edge of desorption tube 2, as the screw connection structure of 2 end of desorption tube, instead of original raw edge
The technical solution that 3 inner walls are directly threaded can effectively improve the threaded connection intensity and service life of desorption tube 2.Anchor ear 5
3 end of raw edge is compressed, improves 3 outer wall construction intensity of raw edge, while improve the bonding strength of metal threaded inserts and desorption tube 2.
Pigtail splice is used to ground lead 7 connecting metal threaded inserts, prevents the metal structure electrostatic generation generated of touching and rub quick-fried
Fried accident.
Claims (10)
1. a kind of Antistatic ball valve, including ball valve body（1）And desorption tube（2）, desorption tube（2）One end connects ball valve body（1）、
The other end sets raw edge（3）, it is characterized in that, the raw edge（3）Metal threaded pincers part is embedded on the inside of end（4）, raw edge（3）End
End outside setting anchor ear（5）, the anchor ear（5）It is provided with pigtail splice（6）, the pigtail splice sequentially passes through anchor ear（5）With
Raw edge（3）Side wall, pigtail splice end abut against metal threaded pincers part（4）, pigtail splice is connected with ground lead（7）.
2. a kind of Antistatic ball valve according to claim 1, it is characterized in that, along metal threaded pincers part（4）Outer side ring week sets
Put several annular protrusions（41）, along raw edge（3）It is provided with the cooperation annular protrusion madial wall ring week（41）Annular groove
（31）.
3. a kind of Antistatic ball valve according to claim 2, it is characterized in that, each annular protrusion（41）Partly raw edge without leave
（3）End is inwardly sequentially increased.
4. a kind of Antistatic ball valve according to claim 2, it is characterized in that, two adjacent annular protrusions（41）For one group according to
It is secondary to be arranged on metal threaded inserts lateral surface, with group annular protrusion（41）In close to raw edge（3）The annular protrusion of end（41）Top
Face width is less than far from raw edge（3）The annular protrusion of end（41）Top surface width.
5. a kind of Antistatic ball valve according to claim 1, it is characterized in that, anchor ear（5）Positioned at raw edge（3）In open at one end
Diameter is less than far from raw edge（3）One end internal diameter of opening.
6. a kind of Antistatic ball valve according to claim 1, it is characterized in that, raw edge（3）Side wall is provided with threaded hole, lead
Connector passes through the threaded hole and is threadedly coupled threaded hole.
7. a kind of Antistatic ball valve according to claim 1 or 6, it is characterized in that, anchor ear（5）Medial surface is far from raw edge（3）
One end of opening is provided with guide groove（8）, guide groove（8）Along anchor ear（5）Axially extend to anchor ear（5）Lower ending opening is oriented to
Slot（8）Close to raw edge（3）One end slot bottom be equipped with inclined-plane（81）, the outer end of pigtail splice is located at the guide groove（8）It is interior.
8. a kind of Antistatic ball valve according to claim 7, it is characterized in that, the setting cooperation of pigtail splice outer end edges is oriented to
Slot（8）Inclined-plane（81）Chamfering.
9. a kind of Antistatic ball valve according to claim 7, it is characterized in that, desorption tube（2）In anchor ear（5）Lower edge is provided with
Sealing ring（9）, the sealing ring（9）Top edge setting cooperation anchor ear（5）Lower edge shape seal groove（91）.
10. a kind of Antistatic ball valve according to claim 9, it is characterized in that, ground lead（7）Across the sealing ring
（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721464390.3U CN207514341U (en) | 2017-11-06 | 2017-11-06 | A kind of Antistatic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721464390.3U CN207514341U (en) | 2017-11-06 | 2017-11-06 | A kind of Antistatic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514341U true CN207514341U (en) | 2018-06-19 |
Family
ID=62537982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721464390.3U Active CN207514341U (en) | 2017-11-06 | 2017-11-06 | A kind of Antistatic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623255A (en) * | 2022-04-01 | 2022-06-14 | 北京松田程科技有限公司 | Anti-static bleeding valve and using method and system thereof |
-
2017
- 2017-11-06 CN CN201721464390.3U patent/CN207514341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623255A (en) * | 2022-04-01 | 2022-06-14 | 北京松田程科技有限公司 | Anti-static bleeding valve and using method and system thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Yuhua Industrial Co.,Ltd. Address before: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO YUHUA ELECTRIC APPLIANCE Co.,Ltd. |