CN203253074U - Anti-lock gas bottle valve - Google Patents
Anti-lock gas bottle valve Download PDFInfo
- Publication number
- CN203253074U CN203253074U CN 201320114721 CN201320114721U CN203253074U CN 203253074 U CN203253074 U CN 203253074U CN 201320114721 CN201320114721 CN 201320114721 CN 201320114721 U CN201320114721 U CN 201320114721U CN 203253074 U CN203253074 U CN 203253074U
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- valve
- valve rod
- spool
- locking closure
- jamming
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Abstract
The utility model discloses an anti-lock gas bottle valve which comprises a valve body, a valve core, a valve rod and an elastic element. A gas passageway is arranged in the valve body, and a section of internal threads is arranged on the inner wall of the valve body. External threads are arranged on the outer surface of the valve core, the valve core is connected with the valve body in a threaded mode, and the valve core rotates around the axis of the valve core to produce a section of displacement in the axial direction to open or close the gas passageway. One end of the valve rod is connected with the valve core so that the valve rod can synchronously rotate along with the valve core, and the end, connected with the valve core, of the valve rod is provided with an axial guiding mechanism so that relative movement can be produced between the valve rod and the valve core in the axial direction. The elastic element is arranged between the valve rod and the valve core so that axial resistance can be produced between the valve rod and the valve core. The anti-lock gas bottle valve can prevent the threads of the valve core and the section of threads of the valve body from locking each other, flexibility and reliability of valve operation can be guaranteed in the closing and opening process, and the anti-lock gas bottle valve has a self-lock function so that the defect that the gas passageway is closed by accident caused by misoperation can be effectively prevented.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of valve of respirator.
Background technology
At present, air respiratorresuscitator has been widely used in the fields such as oil, chemical industry, boats and ships, heavy industry and water treatment.Air respiratorresuscitator utilizes breathing mask and wears combining closely of personnel's face, fire fighter and relevant staff are when fighting a fire, processing harmful substance and leak or when being in other and being full of smog or lacking under the mal-condition of oxygen operation like this, their respiratory apparatus, eyes and face and outside air are isolated, simultaneously, the air respiratorresuscitator of supply clean gas source mainly is comprised of bottle valve, gas bomb, pressure reducer, breathing mask and backrest.
Air respiratorresuscitator is take compressed air as air supply source, its operation principle be for: when opening bottle valve, the pressure-air that is stored in the gas cylinder enters reducer assemblage by bottle valve, pressure-air is depressurized and is middle pressure, pressure pipe enters and is installed in steam supply valve on the face shield in the middle pressure air warp, steam supply valve provides from the air in the compressed gas cylinder according to user's breathing requirement, leads to the face shield that connects with the steam supply valve conductance gas is sucked the human lung.When the user was air-breathing, steam supply valve was opened, and air-flow is provided, and when the user exhaled, valve closing interrupted air-flow; And the outlet valve of Exhaled gasesS on face shield discharged, and when stopping to exhale, outlet valve cuts out, and prepares next time air-breathingly, so just finished whole breath cycle process.
Bottle valve is being born the effect that opens and closes the gas passage as the critical piece of air respiratorresuscitator in whole gas transport process.When implementing rescue work, need to guarantee operating flexibility and the reliability of bottle valve, so that its smooth and easy switching freely when opening and closing, simultaneously, the bottle valve that also will guarantee air respiratorresuscitator is in opening, and need to strictly control this state, and the maloperation that prevents any non-active property is closed bottle valve and caused the situation that air feed interrupts and occurs, reduce misoperation for producing unnecessary impact in the rescue work, ensure rescue personnel's life security.
The utility model content
The purpose of this utility model provides a kind of anti-jamming bottle valve, this bottle valve is implementation and operation when opening and closing flexibly and comfortably, prevent from the use procedure thread biting locking occuring and causing jam, this bottle valve possesses flexibility and stability when opening and closing, possesses in use safety and reliability, eliminate respirator potential safety hazard in use, thereby reduced the risk in the course of work, improved operating safety factor.
For achieving the above object, the utility model provides a kind of anti-jamming bottle valve, and it comprises:
One valve body is provided with a gas passage in it, have one section internal thread on the described valve interior wall;
One spool, its outer surface is provided with external screw thread, and described spool is connected with valve body screw thread, and produces in the axial direction a displacement by the rotation around himself axle center, to close or to open described gas passage;
One valve rod, the one end is connected with described spool, and to rotate synchronously with described spool, the end that described valve rod is connected with spool is provided with axially directed mechanism so that between valve rod and the spool relatively moving on the axial direction can occur;
One flexible member, it is located between described valve rod and the spool, to produce an axial resistance between valve rod and spool.
Existing bottle valve is in opening process, when valve rod rotates, spool is along with valve rod rotates, in the axial direction distance is dwindled gradually between spool and the valve rod, rotation along with spool, the axial displacement away from valve body that spool produces with respect to valve body, when spool contacts with valve rod, the gas passage that is arranged on the valve body is opened to provide breathe air to the user fully, at this moment, if valve rod continues rotation, can't offer spool mobile space in the axial direction owing to contact between spool and the valve rod, spool and valve rod are in the contact condition that oversteps the extreme limit, and valve rod props up spool inflexibly so that thread biting locking occurs easily for spool and valve body.Bottle valve of the present utility model is provided with flexible member between spool and valve rod, when valve rod rotates to a certain degree, flexible member is compressed to the limit and produces an axial resistance between spool and valve rod, so that valve rod can't be rotated further, can not contact between valve rod and the spool yet, thereby avoid even at the cost of one's life spool and cause the situation of spool and valve body generation thread biting locking of valve rod.
The process of closing bottle valve is to open the inverse process of bottle valve, and bottle valve of the present utility model is in closing process, and when valve rod rotated, spool was still along with valve rod rotates.Because compression has occured in flexible member in the bottle valve opening process, and elastic-restoring force is directly proportional with compress variation, along with in the axial direction distance between spool and the valve rod increases gradually, the compress variation of flexible member reduces gradually, and flexible member discharges its elastic-restoring force and produces an axial force so that the rotary manipulation of valve rod Quick labor-saving more between spool and valve rod.Along with the rotation of spool, the axial displacement near valve body that spool produces with respect to valve body, thus disconnect gas passage.
Further, above-mentioned flexible member is a spring.
Further, above-mentioned axially directed structure comprises the groove be located on the spool and is located at projection on the valve rod with groove is complementary that described projection is arranged in the groove, and can be mobile in the axial direction along groove.
Further, above-mentioned axially directed structure comprises the groove be located on the valve rod and is located at projection on the spool with groove is complementary that described projection is arranged in the groove, and can be mobile in the axial direction along groove.
Further, above-mentioned anti-jamming bottle valve also comprises:
One from locking closure and from lock collar, which is provided with intermeshing sawtooth, this sawtooth has the self-locking end face in circumferential direction, so that rotate in one direction only around himself axle center from locking closure, describedly be fixedly connected with the other end of described valve rod from locking closure, to rotate synchronously with described valve rod;
One pressure cap, it is sheathed on outside the described valve rod;
One self-locking spring, it is arranged at described pressure cap and between lock collar, applies an axial force to described from lock collar so that described from lock collar with mesh from locking closure.
, set up in existing bottle valve from lock collar with from locking closure owing to maloperation is accidentally shut down for fear of bottle valve, it can make bottle valve in use remain opening.All has a self-locking end face in circumferential direction from lock collar with from the sawtooth of locking closure, this self-locking end face is so that only can rotate around the axle center of himself toward the direction from locking closure, namely clockwise rotate or rotate counterclockwise, and when wanting from locking closure to be rotated to another direction, the self-locking end face will stop its rotation in the opposite direction.Under the gas passage open mode: if mistake will be rotated towards another direction from locking closure, owing to the axial force that is subject to self-locking spring from lock collar is pressed to from locking closure, and with realize engagement from locking closure by sawtooth, this moment from locking closure with mutually lock and can't further rotate from lock collar, thereby avoid in use self-locking cover strip ovable valve stem and valve core rotation and the gas passage of shutoff valve body; Yet, if press downwards from locking closure, from lock collar under the effect of the stressed compression of self-locking spring with separate from locking closure, then with from the locking closure generation break away from engagement from lock collar, can towards another direction rotate from locking closure this moment, just can rotate the gas passage that blocks valve body so that spool produces a vertically downward displacement in rotation process with ovable valve stem from locking closure like this.
Bottle valve of the present utility model had both needed a revolving force that puts on handle when closing, need again an axial force that puts on handle, yet when maloperation, only can apply a revolving force that acts on handle, thereby, the operating procedure of operating procedure when bottle valve is closed during than the bottle valve maloperation is more complicated, the active force that need to carry out two actions and apply is also larger, increased to a certain extent safety coefficient, bottle valve in the use procedure is closed owing to wrong rotating handles direction with regard to preventing like this, the situation of avoiding interrupting suddenly air feed occurs.
Further, above-mentioned anti-jamming bottle valve also comprises: the leader, it is connected from locking closure with described, to drive from locking closure around himself axle center rotation.In use can close rapidly or open bottle valve with the rotation handled easily person who drives from locking closure putting handle from the locking closure peripheral hardware.
Further, above-mentioned handle is set to and can with respect to mobile in the axial direction from locking closure, with to apply the axial compressive force that overcomes spring force from lock collar, makes from lock collar and from locking closure to break away from engagement.
Further, above-mentioned outer circumference surface from locking closure is provided with the projection that several extend vertically, and the inner peripheral surface of above-mentioned handle is provided with the groove with this projection coupling.Realize both be connected by groove with the cooperation of being connected with handle from locking closure.
Advantageously, above-mentioned anti-jamming bottle valve also comprises: above-mentionedly be fixedly connected with by a locking nut of being located at the valve rod end with the other end of above-mentioned valve rod from locking closure.
The bottle valve of anti-jamming bottle valve described in the utility model in compared to prior art, it has the following advantages:
1. be provided with flexible member in the anti-jamming bottle valve of the present utility model, can so that bottle valve in use avoids causing owing to the excessive contact of spool and valve rod the thread biting locking of spool and valve body, guarantee flexibility and the reliability of valve operation in unlatching or the closing process.
2. anti-jamming bottle valve of the present utility model has auto-lock function in optimal technical scheme, can effectively prevent maloperation and unexpected closed gas flow passage, thus Personal Risk and the potential safety hazard avoiding supplying gas in the operation process and interrupt and cause.
3. anti-jamming bottle valve compact conformation of the present utility model has reduced production cost.
Description of drawings
Fig. 1 is the cross section view of anti-jamming bottle valve described in the utility model under confined state.
Fig. 2 is the structural representation that meshes of cooperatively interacting to realize from lock collar with from locking closure shown in Figure 1.
Fig. 3 is the structural representation from locking closure shown in Figure 2.
Fig. 4 is the structural representation from lock collar shown in Figure 2.
The specific embodiment
Come anti-jamming bottle valve described in the utility model made further below in conjunction with Figure of description and concrete embodiment and explain, but this is explained and does not consist of improper restriction to technical solutions of the utility model.
As shown in Figure 1, the anti-jamming bottle valve in the present embodiment axially is disposed with from left to right along it: valve body 1, and spool 2, spring 3, valve rod 4, pressure cap 5, self-locking spring 6, from lock collar 7, from locking closure 8, self-locking nut 9 and handle 10.
As shown in Figure 1, be provided with gas passage 11 in the valve body 1, and be provided with one section internal thread 12 at the inwall at the air inlet place of gas passage 11, correspondingly, outer surface at spool 2 is provided with one section external screw thread 22, valve body 1 is threaded when bottle valve is closed hermetically with spool 2, is provided with a pair of projection at the inner surface of spool 2; The outer surface of valve rod 4 one ends is provided with a pair of and this axially extended groove that projection is complementary, projection is arranged in the groove, and can move in the axial direction along groove, the locking nut 9 of the other end of valve rod by being arranged at the valve rod end with form a fixed connection from locking closure 8, when when locking closure 8 band ovable valve stems 4 rotate, spool 2 also rotates along with valve rod 4, the displacement that this moment, spool 2 meetings produced up or down with respect to valve body 1 in rotation process in the axial direction; Spring 3 is arranged between spool 2 and the valve rod 4 and props up spool and valve rod to produce an axial force at spool 2 with valve rod 4, prevents both contacts in rotary course even at the cost of one's life; Pressure cap 5 is sheathed on outside the valve rod 4; Self-locking spring 6 be arranged on pressure cap 5 and between lock collar 7 with to apply from lock collar an axial force make from lock collar 7 with from locking closure 8 engagements, handle 10 be connected from locking closure 8.
In addition, also can be provided with at the inner surface of spool 2 a pair of axially extended groove; One end outer surface of valve rod 4 be provided with a pair of with this to the projection that groove is complementary, this is arranged in the groove projection, and can move in the axial direction along groove.
In addition, the quantity of above-mentioned groove and projection also is not limited to a pair of, relatively moving in the axial direction between groove that can be by single group or more groups and the mutual coupling realization valve rod of projection and the spool.The shape of groove can adopt multiple different shape, and for example triangle is square or semicircle.
Extremely shown in Figure 4 such as Fig. 2, be provided with the first sawtooth 71 from lock collar 7, be provided with the second sawtooth 81 from locking closure 8, intermeshing between the first sawtooth 71 and the second sawtooth 81, the first sawtooth 71 and the second sawtooth 81 are respectively equipped with self-locking end face 711 and 811 in circumferential direction, self-locking end face 711,811 can so that self-locking lid around himself axle center only in the counterclockwise direction rotation when bottle valve is opened.When wanting from locking closure when being rotated clockwise, self-locking end face 711,811 stops the rotation that makes progress the party from locking closure.From the direction of the first sawtooth 71 of lock collar 7 and opposite direction from the second sawtooth 81 of locking closure 8, and the part of the first sawtooth more than 71 that is positioned at from lock collar 7 is sheathed on when both mesh within locking closure 8.
In conjunction with Fig. 1 and Fig. 3, be provided with several projections of extending vertically 83 at the outer circumference surface from locking closure 8, inner peripheral surface at handle 10 is provided with the groove 103 that mates with projection 83, and the cooperations of being connected with groove by projection 83 realize handles 10 and being connected from locking closure 8.When rotating handles 10, rotate around himself axle center under the drive of handle 10 from locking closure 8; Simultaneously, for can make from lock collar 7 overcome self-locking spring axial force and with break away from engagement from locking closure 8, set handle 10 can be with respect to producing in the axial direction to bottom offset P from locking closure 8.
Continuation is referring to Fig. 1, and the bottle valve of present embodiment is applied in the actual use, and the user opens or closes bottle valve to satisfy the needs of breathe air in the rescue process.When closing bottle valve, the handle of pressing downwards and turn clockwise overcomes the axial compressive force of self-locking spring and along axial downward movement, breaks away from engagement from lock collar and from locking closure from lock collar, and handle can rotate by self-locking cover strip ovable valve stem like this.Valve rod band movable valve plug carries out clockwise rotation, spool produces a downward displacement in the axial direction under the drive of valve rod, spool shutoff valve body, bottle valve is closed, and whole gas passage is in off-state, at this moment, spring is compressed to the limit, and between spool and valve rod, produce an axial resistance, continue to turn clockwise to stop valve rod, thereby avoided the thread biting locking that causes even at the cost of one's life spool and valve body that contacts owing to spool and valve body.When opening bottle valve, be rotated counterclockwise handle, handle drives the self-locking lid and is rotated, be subject to self-locking spring to its axial force that applies from lock collar, order is pressed to from locking closure from lock collar, and with realize engagement from locking closure, handle can rotate by self-locking cover strip ovable valve stem like this.Valve rod band movable valve plug carries out anticlockwise rotation, spool produces a displacement that makes progress in the axial direction under the drive of valve rod, spool leaves valve body, bottle valve is opened, whole gas passage is in open mode, at this moment, because the distortion decrement of spring reduces, valve rod is subject to the axial restoring force that this spring applies, so that handle is finished closing of bottle valve with less power in being rotated counterclockwise process.From lock collar with in the situation of locking closure engagement, handle can't carry out clockwise rotation by self-locking cover strip ovable valve stem and spool, and spool just can't carry out to bottom offset and can the shutoff valve body like this, and whole gas passage is in open mode all the time.
Anti-jamming bottle valve of the present utility model has been avoided the thread biting locking of spool and valve body in the use procedure by the setting of flexible member, this bottle valve also has auto-lock function simultaneously, so that bottle valve is in opening at work all the time, can effectively prevent the accidental interruption of breathing apparatus source of the gas path, further eliminated the potential safety hazard of bottle valve, reliability and smoothness when having improved the respirator operation guarantee user's life security and normal operation.
It should be noted that; the above-mentioned explanation of disclosed embodiment is so that this area professional and technical personnel can carry out multiple types like changing and revising for present embodiment apparently; this similar variation is all distortion that those skilled in the art can directly draw or be easy to just associate from content disclosed by the invention, all should belong to protection domain of the present utility model.Therefore the utility model can not be subject to the restriction of this embodiment.
Claims (9)
1. anti-jamming bottle valve, it comprises:
One valve body is provided with a gas passage in it, have one section internal thread on the described valve interior wall;
One spool, its outer surface is provided with external screw thread, and described spool is connected with valve body screw thread, and produces in the axial direction a displacement by the rotation around himself axle center, to close or to open described gas passage;
One valve rod, the one end is connected with described spool, and to rotate synchronously with described spool, the end that described valve rod is connected with spool is provided with axially directed mechanism so that between valve rod and the spool relatively moving on the axial direction can occur;
One flexible member, it is located between described valve rod and the spool, to produce an axial resistance between valve rod and spool.
2. anti-jamming bottle valve as claimed in claim 1 is characterized in that, described flexible member is a spring.
3. anti-jamming bottle valve as claimed in claim 1, it is characterized in that, described axially directed structure comprises the groove be located on the spool and is located at projection on the valve rod with groove is complementary that described projection is arranged in the groove, and can be mobile in the axial direction along groove.
4. anti-jamming bottle valve as claimed in claim 1, it is characterized in that, described axially directed structure comprises the groove be located on the valve rod and is located at projection on the spool with groove is complementary that described projection is arranged in the groove, and can be mobile in the axial direction along groove.
5. anti-jamming bottle valve as claimed in claim 1 is characterized in that, also comprises:
One from locking closure and from lock collar, which is provided with intermeshing sawtooth, this sawtooth has the self-locking end face in circumferential direction, so that rotate in one direction only around himself axle center from locking closure, describedly be fixedly connected with the other end of described valve rod from locking closure, to rotate synchronously with described valve rod;
One pressure cap, it is sheathed on outside the described valve rod;
One self-locking spring, it is arranged at described pressure cap and between lock collar, applies an axial force to described from lock collar so that described from lock collar with mesh from locking closure.
6. anti-jamming bottle valve as claimed in claim 5 is characterized in that: also comprise: the leader, it is connected from locking closure with described, rotates around himself axle center to drive from locking closure.
7. anti-jamming bottle valve as claimed in claim 6 is characterized in that, described handle is set to and can with respect to mobile in the axial direction from locking closure, with to apply the axial compressive force that overcomes spring force from lock collar, makes from lock collar and from locking closure to break away from engagement.
8. anti-jamming bottle valve as claimed in claim 7 is characterized in that, described outer circumference surface from locking closure is provided with the projection that several extend vertically, and the inner peripheral surface of described handle is provided with the groove with this projection coupling.
9. anti-jamming bottle valve as claimed in claim 5 is characterized in that, also comprises: describedly be fixedly connected with by a locking nut of being located at the valve rod end with the other end of described valve rod from locking closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114721 CN203253074U (en) | 2013-03-13 | 2013-03-13 | Anti-lock gas bottle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114721 CN203253074U (en) | 2013-03-13 | 2013-03-13 | Anti-lock gas bottle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203253074U true CN203253074U (en) | 2013-10-30 |
Family
ID=49465684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320114721 Expired - Fee Related CN203253074U (en) | 2013-03-13 | 2013-03-13 | Anti-lock gas bottle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203253074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572918A (en) * | 2014-07-16 | 2017-04-19 | 科洛普拉斯特公司 | Outlet for a urostomy appliance |
| CN106669058A (en) * | 2015-11-11 | 2017-05-17 | 江苏华燕船舶装备有限公司 | Bottle valve and working method thereof |
-
2013
- 2013-03-13 CN CN 201320114721 patent/CN203253074U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572918A (en) * | 2014-07-16 | 2017-04-19 | 科洛普拉斯特公司 | Outlet for a urostomy appliance |
| CN106572918B (en) * | 2014-07-16 | 2020-02-18 | 科洛普拉斯特公司 | Outlet for a urostomy appliance |
| CN106669058A (en) * | 2015-11-11 | 2017-05-17 | 江苏华燕船舶装备有限公司 | Bottle valve and working method thereof |
| CN106669058B (en) * | 2015-11-11 | 2021-12-24 | 江苏华燕船舶装备有限公司 | Bottle head valve and working method thereof |
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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: 20131030 Termination date: 20200313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |