CN202371379U - Loose-joint anti-theft valve - Google Patents
Loose-joint anti-theft valve Download PDFInfo
- Publication number
- CN202371379U CN202371379U CN2011205170848U CN201120517084U CN202371379U CN 202371379 U CN202371379 U CN 202371379U CN 2011205170848 U CN2011205170848 U CN 2011205170848U CN 201120517084 U CN201120517084 U CN 201120517084U CN 202371379 U CN202371379 U CN 202371379U
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- CN
- China
- Prior art keywords
- valve
- pipe nut
- interface
- interface tube
- loose joint
- 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.)
- Expired - Fee Related
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a loose-joint anti-theft valve. The loose-joint anti-theft valve comprises a pipe nut and a pipe interface with an outer flange, wherein the necking at one end of the pipe nut is sleeved on one side of the outer flange of the pipe interface; and a pipe nut threaded interface is formed at the other end of the pipe nut. The loose-joint anti-theft valve is characterized in that an anti-theft valve is arranged in one end, provided with the outer flange, of the pipe interface; and the pipe nut threaded interface is connected with one end of a ball valve through a thread. The loose-joint anti-theft valve has the advantages that the pipe nut is locked by adopting a special-shaped head bolt and cannot rotate; the joint can be detached only by using a special wrench, so that the phenomena of gas stealing and water stealing can be prevented or greatly reduced; even though the pipe nut can be loosen for a certain distance with the pipe interface together, a top plate in the ball valve is axially moved simultaneously at the moment; the central shaft of the valve core of the anti-theft valve is moved outwards under the action of a spring, so that a rubber valve pad is contacted with a valve seat, and the anti-theft valve is closed; and gas or water in a main pipeline still cannot flow out, so that a further anti-theft function is realized.
Description
Technical field
The utility model relates to a kind of loose joint valve for guarding against theft, and the interface that is mainly used in gas meter and water meter is connected.
Background technique
After existing combustion gas and water supply pipe are registered one's residence; Valve is changed connection with the employing special table joint that is connected between gas meter or the water meter; Be easy under the situation that user's throttle down can't flow gas valve is pulled down with the special table joint that table is connected; Install crossover sub then additional or will show the purpose that the upset back just can reach stealing combustion gas and tap water, cause unnecessary loss to country.
Summary of the invention
The utility model aims to provide a kind of loose joint valve for guarding against theft, to solve the problem that lawless people that existing technology exists is easy to realize stealing the gas stolen water.
The technological scheme of the utility model is: a kind of loose joint valve for guarding against theft; Comprise pipe nut and the interface tube that has outward flange; The reducing of pipe nut one end is enclosed within outward flange one side of interface tube; This pipe nut the other end is provided with pipe nut thread interface, it is characterized in that, in described interface tube has an end of outward flange, the antitheft valve is housed; One end of described pipe nut thread interface and a ball valve is through being threaded.
Described antitheft valve comprises valve seat, spool, spool dunnage and top board, and the valve seat of annular is installed in the end that interface tube has outward flange, and the spool dunnage is located at the middle part in the interface tube, and top board is located in the end of ball valve; This spool is made up of central shaft, mangetic core assembly and spring, and mangetic core assembly is fixed on the middle part of central shaft, and sliding respectively and pass the central through bore of spool dunnage and valve seat in the two ends of this central shaft, between spool dunnage and mangetic core assembly, spring is housed.
Described mangetic core assembly comprises rubber valve pad and two valve pad clamping plate, and the rubber valve pad is clipped between two valve pad clamping plate.
The diameter of this valve pad clamping plate relative with described valve seat is slightly less than the internal diameter of this valve seat; The diameter of another valve pad clamping plate is slightly less than or equals the diameter of this rubber valve pad, and the diameter of this rubber valve pad is greater than the internal diameter of this valve seat.
Top at described pipe nut is provided with boss, is provided with screw radially at this boss, is provided with the hole enlargement counterbore in the outer end of this screw; In this screw, lock bolt is housed, the top of this lock bolt is provided with Special-Shaped Column; Also be provided with and the supporting special spanner of this lock bolt, this special spanner is by main body and be located at the handle at its two ends and the driving hole that cooperates with described Special-Shaped Column; The end outside adjacent with its outward flange at described interface tube is provided with several axial fins that are uniformly distributed along the circumference.
Near the outward flange in the outside of described interface tube, be provided with annular ridge along circumference.
Between the Special-Shaped Column on described lock bolt top and screw rod, be provided with flange.
Between the butt end of the outward flange of described interface tube and this ball valve, seal ring is housed.
The other end at described ball valve is provided with and the supporting internal thread of the standard interface of measuring instrument.
The utility model has the advantages that: adopting special-shaped hook bolt will manage nut check can not rotate, and has only and uses special-purpose spanner just can pull down joint, can prevent or greatly reduce the phenomenon of stealing the gas stolen water and take place; Even can the pipe nut be unclamped certain distance together with interface tube; The interior axial same moved further of top board of ball valve this moment; The central shaft of antitheft valve core outwards moves under the effect of spring, makes the rubber valve pad contact with valve seat, and the antitheft valve cuts out; Gas or water in the main pipe still can not flow out, and play the effect of further antitheft.The ball valve of connecting with the antitheft valve can be used as the total valve of registering one's residence, and when keeping in repair or go out for a long time, conveniently closes source of the gas or water source.
Description of drawings
Fig. 1 is an embodiment's of the utility model the axial cross-sectional schematic of general structure (normal state);
Fig. 2 is the axial cross-sectional schematic of an embodiment's on the utility model general structure (anti-theft state);
Fig. 3 is the axial half sectional view of the pipe nut of the utility model;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the axial profile figure of the interface tube of the utility model;
Fig. 6 is the A-A sectional drawing of Fig. 5;
Fig. 7 is a left side (right side) view of the spool dunnage among Fig. 1;
Fig. 8 is a left side (right side) view of the antitheft valve base among Fig. 1;
Fig. 9 is the axial sectional view of the antitheft valve of the utility model;
Figure 10 is a left side (right side) view of top board among Fig. 1;
Figure 11 is the plan view of the lock bolt of the utility model;
Figure 12 is the right elevation of Figure 11;
Figure 13 is the plan view of the special spanner of the utility model;
Figure 14 is the left view of Figure 13.
Embodiment
Referring to Fig. 1～Figure 14, a kind of loose joint valve for guarding against theft of the utility model comprises pipe nut 2 and the interface tube 1 that has outward flange 11, and the reducing 24 of pipe nut 2 one ends is enclosed within outward flange 11 1 sides of interface tube 1, and these pipe nut 2 the other ends are provided with pipe nut thread interface 25.Antitheft valve 4, described interface tube 1 is housed in having an end of outward flange 11; One end of described pipe nut thread interface 25 and a ball valve 3 is through being threaded.
Described antitheft valve 4 comprises valve seat 9, spool, spool dunnage 8 and top board 10; The valve seat 9 of annular is connected through the internal thread that outside thread 94 and interface tube 1 have an end of outward flange 11; Spool dunnage 8 is located at the middle part in the interface tube 1, and top board 10 is located in the end (end that docks with interface tube 1) of ball valve 3.This spool is made up of central shaft 41, mangetic core assembly and spring 42; Mangetic core assembly is fixed on the middle part of central shaft 41, and sliding respectively in the two ends of this central shaft 41, (central through bore 82,92 minutes is connected through the outer shroud 81,91 of radial plate 83,93 with spool dunnage 8 and valve seat 9 for the central through bore 82,92 that passes spool dunnage 8 and valve seat 9. Radial plate 83,93 can be a cross, also yi word pattern or Y shape), spring 42 is housed between spool dunnage 8 and mangetic core assembly.
Described mangetic core assembly comprises rubber valve pad 44 and two valve pad clamping plate 43,45, and rubber valve pad 44 is clipped between two valve pad clamping plate.
The diameter of this valve pad clamping plate 45 relative with described valve seat 9 is slightly less than the internal diameter of this valve seat 9; The diameter of another valve pad clamping plate 43 is slightly less than or equals the diameter of this rubber valve pad 44, and the diameter of this rubber valve pad 44 is greater than the internal diameter of this valve seat 9.
Be provided with boss 23 on the top of described pipe nut 2, be provided with screw 22 radially, be provided with hole enlargement counterbore 21 in the outer end of this screw 22 at this boss 23.The outside of pipe nut 2 is provided with positive six ribs or the facing 26 that supplies the spanner loading and unloading.
In this screw 22, lock bolt 6 is housed, the top of this lock bolt 6 is provided with Special-Shaped Column 63; Also be provided with the special spanner 5 supporting with this lock bolt 6, this special spanner 5 by main body be located at the handle 51 at its two ends and the driving hole 52 that cooperates with described Special-Shaped Column.Be provided with several axial fins 13 that are uniformly distributed along the circumference in described interface tube 1 and its outward flange 11 adjacent end outsides.Near the outward flange 11 in the outside of described interface tube 1, be provided with annular ridge 12 along circumference.Annular ridge 12 is used to limit lock bolt 6 with axial fin 13 and relatively rotates with interface tube 1 with pipe nut 2.The other end of described ball valve 3 is provided with the internal thread 34 supporting with the standard interface of measuring instrument.
Between the screw rod 61 of the Special-Shaped Column 63 on described lock bolt 6 tops and the other end, be provided with flange 62.
Between the butt end of the outward flange 11 of described interface tube 1 and this ball valve 3, seal ring 7 is housed.
The utility model in use, the valve body threaded coupling 14 of interface tube 1 left end is connected with the pipeline 20 of registering one's residence, the internal thread 34 of the right-hand member of ball valve 3 is connected with the interface of measuring instrument.After tightening pipe nut 2; A lock bolt 6 is installed in each screw 22; And tightening lock bolt 6 with special spanner 5, the top that tightens back lock bolt 6 is sunk in the counterbore 21 of pipe nut 2, has only and uses the special spanners 5 that coincide with the Special-Shaped Column 63 on lock bolt 6 tops just can unclamp lock bolt 6; So the user is difficult to pull down pipe nut 2, reach the purpose of antitheft.
Even can pipe nut 2 be unclamped certain distance with interface tube 1 and ball valve 3; This moment, ball valve 3 interior top boards 10 left central shaft 41 1 segment distances of the antitheft valve 4 in the interface tube 1; The central shaft 41 of spool 4 outside (right side) under the effect of spring 42 moves, and makes rubber valve pad 44 contact (referring to Fig. 2) with valve seat 9, and the antitheft valve cuts out; Gas or water in water or the gas main pipe still can not flow out, and play the effect of further antitheft.
Claims (9)
1. loose joint valve for guarding against theft; Comprise pipe nut and the interface tube that has outward flange, the reducing of pipe nut one end is enclosed within outward flange one side of interface tube, and this pipe nut the other end is provided with pipe nut thread interface; It is characterized in that, in described interface tube has an end of outward flange, the antitheft valve is housed; One end of described pipe nut thread interface and a ball valve is through being threaded.
2. loose joint valve for guarding against theft according to claim 1; It is characterized in that; Described antitheft valve comprises valve seat, spool, spool dunnage and top board; The valve seat of annular is installed in the end that interface tube has outward flange, and the spool dunnage is located at the middle part in the interface tube, and top board is located in the end of ball valve; This spool is made up of central shaft, mangetic core assembly and spring, and mangetic core assembly is fixed on the middle part of central shaft, and sliding respectively and pass the central through bore of spool dunnage and valve seat in the two ends of this central shaft, between spool dunnage and mangetic core assembly, spring is housed.
3. loose joint valve for guarding against theft according to claim 2 is characterized in that, described mangetic core assembly comprises rubber valve pad and two valve pad clamping plate, and the rubber valve pad is clipped between two valve pad clamping plate.
4. loose joint valve for guarding against theft according to claim 3 is characterized in that, the diameter of this valve pad clamping plate relative with described valve seat is slightly less than the internal diameter of this valve seat; The diameter of another valve pad clamping plate is slightly less than or equals the diameter of this rubber valve pad, and the diameter of this rubber valve pad is greater than the internal diameter of this valve seat.
5. loose joint valve for guarding against theft according to claim 1 is characterized in that, is provided with boss on the top of described pipe nut, is provided with screw radially at this boss, is provided with the hole enlargement counterbore in the outer end of this screw; In this screw, lock bolt is housed, the top of this lock bolt is provided with Special-Shaped Column; Also be provided with and the supporting special spanner of this lock bolt, this special spanner is by main body and be located at the handle at its two ends and the driving hole that cooperates with described Special-Shaped Column; The end outside adjacent with its outward flange at described interface tube is provided with several axial fins that are uniformly distributed along the circumference.
6. loose joint valve for guarding against theft according to claim 5 is characterized in that, near the outward flange in the outside of described interface tube, is provided with the annular ridge along circumference.
7. loose joint valve for guarding against theft according to claim 5 is characterized in that, between the Special-Shaped Column on described lock bolt top and screw rod, is provided with flange.
8. loose joint valve for guarding against theft according to claim 1 is characterized in that, between the butt end of the outward flange of described interface tube and this ball valve, seal ring is housed.
9. loose joint valve for guarding against theft according to claim 1 is characterized in that, is provided with and the supporting internal thread of the standard interface of measuring instrument at the other end of described ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205170848U CN202371379U (en) | 2011-08-18 | 2011-12-13 | Loose-joint anti-theft valve |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110237415.7 | 2011-08-18 | ||
| CN2011102374157A CN102287602A (en) | 2011-08-18 | 2011-08-18 | Loose-joint theft-proof valve |
| CN2011205170848U CN202371379U (en) | 2011-08-18 | 2011-12-13 | Loose-joint anti-theft valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371379U true CN202371379U (en) | 2012-08-08 |
Family
ID=45334256
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102374157A Pending CN102287602A (en) | 2011-08-18 | 2011-08-18 | Loose-joint theft-proof valve |
| CN2011205170848U Expired - Fee Related CN202371379U (en) | 2011-08-18 | 2011-12-13 | Loose-joint anti-theft valve |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102374157A Pending CN102287602A (en) | 2011-08-18 | 2011-08-18 | Loose-joint theft-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102287602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982743A (en) * | 2014-05-27 | 2014-08-13 | 中国人民解放军总后勤部油料研究所 | Emergency plugging valve of oil pipeline |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968146A (en) * | 2013-05-12 | 2014-08-06 | 梁勇 | Valve theft preventer |
-
2011
- 2011-08-18 CN CN2011102374157A patent/CN102287602A/en active Pending
- 2011-12-13 CN CN2011205170848U patent/CN202371379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982743A (en) * | 2014-05-27 | 2014-08-13 | 中国人民解放军总后勤部油料研究所 | Emergency plugging valve of oil pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102287602A (en) | 2011-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20161213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |