CN2418337Y - Gas Safety flexible tube - Google Patents
Gas Safety flexible tube Download PDFInfo
- Publication number
- CN2418337Y CN2418337Y CN 00234322 CN00234322U CN2418337Y CN 2418337 Y CN2418337 Y CN 2418337Y CN 00234322 CN00234322 CN 00234322 CN 00234322 U CN00234322 U CN 00234322U CN 2418337 Y CN2418337 Y CN 2418337Y
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- CN
- China
- Prior art keywords
- flexible pipe
- combustion gas
- security personnel
- flexible tube
- valve
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- 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 - Lifetime
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Abstract
The utility model relates to a safety flexible tube of fuel gas, which comprises a flexible tube. The utility model is characterized in that at least one end of the flexible tube is connected with a safety valve to form a flexible tube assembly; a line-shaped gas passage is formed in the assembly; the outer wall of the flexible tube is provided with a protecting layer. The utility model has the function of automatic protection; when the accident of gas leakage happens owing to the damage of the flexible tube, the utility model can automatically cut off a gas passage in the flexible tube to realize the self automatic protection of a fuel gas flexible tube and safety control; simultaneously, the gas passage in the flexible tube assembly, which is connected into integration can ensure smooth ventilation. The utility model has the advantage of impact resistant performance and has the function of leakage prevention; besides, the utility model can be firmly connected a gas supplying nozzle of a gas means.
Description
The utility model relates to a kind of gas leakage protective gear, is a kind of pipeline gas or general flexible pipe that has safety installations of bottled gas petroleum gas of being used for specifically.
Under the general situation, owing to the mounting point of the source of the gas of combustion gas and gas-fired boiler needs the user decide according to different use occasions, therefore, the mode that is used to connect conducting gas source and gas-fired boiler mostly is the employing flexible pipe.And common in the market flexible pipe only can play the effect of transmission ﹠ distribution gas, but this flexible pipe is easily aging, be full of cracks, and therefore produces the damaged leakage that causes combustion gas.In addition, this kind flexible pipe is by a kind of clamp hose clip to be fixed on the air feed mouth with being connected of air feed mouth, and this linkage structure is extremely insecure, also is one of reason that causes gas leakage.
For addressing the above problem, the inventor once proposed two kinds of gas leakage protective gears, and it is a kind of to be the pipe end safety valve, and was another kind of for showing preceding safety valve.Facts have proved the safety control before these two kinds of safety valves can solve source of the gas effectively.But in the use of reality, being connected between flexible pipe and the above-mentioned safety valve still needs the user to carry out connection with conventional clamp at the scene, and not only operation trouble very, and same the existence connects unstable problem.In addition, this kind safety valve is with after flexible pipe is connected, and its air guide channel is the L shape, causes ventilation not smooth easily.
The purpose of this utility model is to provide a kind of combustion gas security personnel flexible pipe, make and itself promptly have the function of automatic protection, when when the situation of gas leakage takes place, automatically gas channel in the flexible pipe being blocked of flexible pipe, realize that gas hose itself is automatic to protect and safety control because of damaged; Make the air vent in the hose that links into an integrated entity to ensure that ventilation is smooth and easy simultaneously.
Another purpose of the present utility model is to provide a kind of combustion gas security personnel flexible pipe, can shock resistance also have the leakage proof function, and can with firm being connected of combustion gas tool and air feed mouth.
The purpose of this utility model is achieved in that a kind of combustion gas security personnel flexible pipe, comprises flexible pipe, it is characterized in that this flexible pipe has at least an end to be provided with a Safety valve and forms a hose, forms the in-line air vent in this assembly; The outer wall of flexible pipe is covered with protective layer.
The utility model also can realize that the protective layer that described flexible pipe outer wall is covered can be wire netting by following measure.The protective layer of described flexible pipe outer wall can be the plastic cement overlay film.The other end of this flexible pipe and the other end of safety valve also can be provided with the spiral locking mechanism, and this spiral locking mechanism the best is a spiral tapering locking mechanism.The interior locking sidewall of this spiral tapering locking mechanism has the elasticity bevel-type dop of fluting, and is combined with the internal cone type nut.Be connected in the valve body of safety valve of flexible pipe to being the in-line passage, but be provided with the valve plate by the shutoff passage of valve rod drive in this passage, the other end of passage has manually opened device.Described opening device includes one and opens bolt, and this unlatching bolt is driven by lock tube and moves axially in valve body, and a return spring is resisted against the termination of opening bolt, and this lock tube outer wall best and valve body screws togather.The front end of valve plate can be provided with return spring, and an end of this return spring is resisted against opening device.Can be provided with stuffing box gland between described elasticity bevel-type dop and internal cone type nut.
Effect of the present utility model is significant:
1, flexible pipe is provided with safety valve in the utility model, can close this valve automatically when flexible pipe leaks because of breakage, and gas channel blocks in will managing, and realizes gas hose itself protection and safety control automatically;
2, in addition, safety valve of the present utility model and flexible pipe link into an integrated entity, and assembling is in-line, and airway unobstructed can be used in any angle configurations, not the recipient to restriction.
3, establish the spiral locking mechanism at the inlet, outlet two ends in the utility model, for being flexible coupling of gas transmission and distribution provides the safety reliability that connects.
4, because the utility model has been set up wire netting and leakage proof overlay film, the Security that has improved gas hose outside gas hose.
The explanation of accompanying drawing drawing
The structural representation of Fig. 1 the utility model flexible pipe inlet end;
The structural representation of Fig. 2 the utility model flexible pipe outlet side.
It is as follows to describe the utility model in detail below in conjunction with embodiment and accompanying drawing thereof;
See also shown in Figure 1ly, the utility model comprises flexible pipe 16, and this flexible pipe 16 has at least an end to be provided with a safety valve, thereby forms a hose, forms in-line air vent 17 in this assembly; The outer wall of flexible pipe 16 is covered with protective layer.
In the present embodiment, an end of flexible pipe 16 is provided with safety valve, and this safety valve has a valve body 6 that is sleeve shape, is formed with the passage 17 with the in-line of flexible pipe 16 coaxial lines in this valve body 6, guarantees the unimpeded of gas.Ends are provided with vavle shelf 12 in this valve body 6, have an axially support on this vavle shelf 12 valve rod 11 is supported in the centre of valve body 6, and valve rod 11 can move axially along this axially support, and its front end is installed with skin valve 10, forms self closing stop valve by this valve rod 11 and skin valve 10.Valve body 6 passages are provided with an interval 61, and this interval 61 is provided with a valve opening 611, can block forward in valve opening 611 by promotion skin valve 10 when valve rod 11 moves forward, thereby gas channel 17 is cut off.
The other end of valve body 6 is provided with one and opens bolt 2, one end of this unlatching bolt 2 is inserted in the valve body 6, open the bolt 2 outer lock tubes 3 that are arranged with, in the present embodiment, lock tube 3 spiral shells are located on the outer wall of valve body 6, turn lock tube 3 can drive unlatching bolt 3 and produce moving axially of trace in valve body 6, and the Returnning spring 5 of opening bolt 2 is held between the end face of interval 61 and unlatching bolt 2.Also be provided with the Returnning spring 9 of self closing stop valve between the end face of unlatching bolt 2 and the skin valve 10,, make itself and 611 of valve openings keep a distance, and keep the open mode of valve by these spring 9 ejection skin valves 10.Lock tube 3 and 2 on bolt of unlatching have seal arrangement 4.
The other end of opening bolt 2 extends out an air feed mouth 21, this air feed mouth 21 has the ring-type locking trough, after flexible pipe 16 is sheathed on this ring-type locking trough again by chuck 1 clamping, thereby flexible pipe 16 and above-mentioned safety valve be connected be integral, form a hose, fundamentally solve the unstable defective of connection of 6 of flexible pipe 16 valve bodies.
The other end of safety valve valve body 6 is provided with spiral locking machine, in the present embodiment, this spiral locking mechanism is to be made of the tapering elastic chuck 7 that has opening, elastic chuck 7 outer spiral shells are provided with locknut 8, be with a stuffing box gland 13 in the elastic chuck 7, this hose can be firmly attached on the air feed mouth of source of the gas by above-mentioned spiral locking mechanism.
The outlet side of the utility model flexible pipe 16 also is provided with the spiral locking mechanism of a structure same as described above, as shown in Figure 2, does not repeat them here.
Working principle of the present utility model is, utilize the spiral locking mechanism at the utility model two ends that hose of the present utility model is connected to air supply source and gas appliance, an end that wherein is provided with safety valve is connected in source of the gas, forms one section gas channel 17 that is in-line.Above-mentioned linkage structure of the present utility model is very firm.
Under normal state, skin valve 10 moves under the promotion of Returnning spring 9 backward, and and 611 of valve openings produce a distance with the gas conducting.
When flexible pipe 16 leaked because of breakage, the gas pressures in the flexible pipe 16 reduced, and push skin valve 10 to front end and be resisted against on the valve opening 611 this moment under the effect of the bigger gas pressure of inlet end, and gas channel 17 is blocked.And before flexible pipe 16 did not keep in repair well, under the gas pressure effect of inlet end, this skin valve 10 was resisted against on the valve opening 611 all the time, and remains in the intercepted state of passage.
After flexible pipe 16 maintenances were good, the lock tube 3 of bolt was opened in turn, and promotion unlatching bolt 2 produces in valve body 6 and moves axially, and this opens bolt 2 moving the Returnning spring of ejection simultaneously 9, and skin valve 10 is opened, and makes flexible pipe be on state once more.
Claims (9)
1, a kind of combustion gas security personnel flexible pipe comprises flexible pipe, it is characterized in that this flexible pipe has at least an end to be provided with a Safety valve and constitutes a hose, is formed with the in-line air vent in this assembly; The outer wall of flexible pipe is covered with protective layer.
2, a kind of combustion gas security personnel flexible pipe according to claim 1 is characterized in that the protective layer that described flexible pipe outer wall is covered can be wire netting.
3, a kind of combustion gas security personnel flexible pipe according to claim 1 and 2 is characterized in that the protective layer of described flexible pipe outer wall can be the plastic cement overlay film.
4, a kind of combustion gas security personnel flexible pipe according to claim 1 is characterized in that the other end of described flexible pipe and the other end of safety valve also can be provided with the spiral locking mechanism, and this spiral locking mechanism the best is a spiral tapering locking mechanism.
5, a kind of combustion gas security personnel flexible pipe according to claim 4 is characterized in that the interior locking sidewall of described spiral tapering locking mechanism has the elasticity bevel-type dop of fluting, and is combined with the internal cone type nut.
6, a kind of combustion gas security personnel flexible pipe according to claim 1, it is characterized in that in the valve body of the described safety valve that is connected in flexible pipe for being the in-line passage, but be provided with the valve plate of the shutoff passage that is driven by valve rod in this passage, the other end of passage has manually opened device.
7, a kind of combustion gas security personnel flexible pipe according to claim 6, it is characterized in that described opening device includes one and opens bolt, this unlatching bolt is driven by lock tube and moves axially in valve body, and a return spring is resisted against the termination of opening bolt, and this lock tube outer wall best and valve body screws togather.
8, a kind of combustion gas security personnel flexible pipe according to claim 6 is characterized in that the front end of described valve plate can be provided with return spring, and an end of this return spring is resisted against opening device.
9, a kind of combustion gas security personnel flexible pipe according to claim 4 is characterized in that can being provided with stuffing box gland between described elasticity bevel-type dop and internal cone type nut.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00234322 CN2418337Y (en) | 2000-05-09 | 2000-05-09 | Gas Safety flexible tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00234322 CN2418337Y (en) | 2000-05-09 | 2000-05-09 | Gas Safety flexible tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2418337Y true CN2418337Y (en) | 2001-02-07 |
Family
ID=33596460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 00234322 Expired - Lifetime CN2418337Y (en) | 2000-05-09 | 2000-05-09 | Gas Safety flexible tube |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2418337Y (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100392308C (en) * | 2006-07-13 | 2008-06-04 | 彭亦程 | Automatic protecting gas fuel hose |
CN100532906C (en) * | 2003-10-17 | 2009-08-26 | 双湾医药公司 | An improved barb clamp |
CN101970925B (en) * | 2008-02-20 | 2012-10-03 | 双湾医药公司 | Barb clamp with smooth bore |
CN105190176A (en) * | 2013-03-13 | 2015-12-23 | Bsh家用电器有限公司 | Gas valve unit |
WO2016045230A3 (en) * | 2014-09-24 | 2016-06-30 | 浙江海伦塑胶有限公司 | Automatically extending and expanding water pipe of extended service life |
CN109899683A (en) * | 2019-03-22 | 2019-06-18 | 杭州君笑文化传播有限公司 | A kind of safety device detecting oil and gas pipeline gas leakage |
CN113864662A (en) * | 2021-10-19 | 2021-12-31 | 如皋市井上捏和机械厂 | Kneading machine steam leakage self-checking pipeline |
-
2000
- 2000-05-09 CN CN 00234322 patent/CN2418337Y/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100532906C (en) * | 2003-10-17 | 2009-08-26 | 双湾医药公司 | An improved barb clamp |
CN100392308C (en) * | 2006-07-13 | 2008-06-04 | 彭亦程 | Automatic protecting gas fuel hose |
CN101970925B (en) * | 2008-02-20 | 2012-10-03 | 双湾医药公司 | Barb clamp with smooth bore |
CN105190176A (en) * | 2013-03-13 | 2015-12-23 | Bsh家用电器有限公司 | Gas valve unit |
US9822976B2 (en) | 2013-03-13 | 2017-11-21 | BSH Hausgeräte GmbH | Gas valve unit |
CN105190176B (en) * | 2013-03-13 | 2018-04-24 | Bsh家用电器有限公司 | Gas valve unit |
WO2016045230A3 (en) * | 2014-09-24 | 2016-06-30 | 浙江海伦塑胶有限公司 | Automatically extending and expanding water pipe of extended service life |
CN109899683A (en) * | 2019-03-22 | 2019-06-18 | 杭州君笑文化传播有限公司 | A kind of safety device detecting oil and gas pipeline gas leakage |
CN113864662A (en) * | 2021-10-19 | 2021-12-31 | 如皋市井上捏和机械厂 | Kneading machine steam leakage self-checking pipeline |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20010207 |