CN206738656U - Fluid line overload automatic safety device - Google Patents
Fluid line overload automatic safety device Download PDFInfo
- Publication number
- CN206738656U CN206738656U CN201720576133.2U CN201720576133U CN206738656U CN 206738656 U CN206738656 U CN 206738656U CN 201720576133 U CN201720576133 U CN 201720576133U CN 206738656 U CN206738656 U CN 206738656U
- Authority
- CN
- China
- Prior art keywords
- valve body
- end cap
- fluid
- stage clip
- cylinder sleeve
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
A kind of fluid line overload automatic safety device; it includes the valve body and current limiting element that set axially extending bore, axial counterbore and radial direction through hole; valve body is in the accommodation space that cylinder sleeve is formed with inlet end cap and outlet end cap; stage clip is set in the valve body radial direction through hole; contact has spherosome respectively at the stage clip both ends, and the valve body axial direction counterbore sets stage clip.Current limiting element is placed in inlet end cap; when fluid line overload; current limiting element is in the case where the thrust of fluid is appointed; the active force that stage clip in the counterbore of valve body axial direction is set is overcome to be bonded with body base; block the axially extending bore of valve body; the rapid increase of valve body pressure at two ends difference, makes valve body be bonded rapidly with the outlet of outlet end cap, realizes that protection device is closed automatically.When protection device is closed, in the case where the stage clip for being arranged at valve body radial direction through hole acts on, the annular recess set in cylinder sleeve produces the normal force along both contact surfaces to spherosome, the exit seal pressure that valve body covers with exit end face is further increased.
Description
Technical field
The utility model belongs to safety protection facility, is related to a kind of fluid line overload automatic safety device, specifically
When being related to a kind of fluid line overload, in the case of not by external impetus, device that pipeline is closed rapidly automatically.
Background technology
Complicated, the automatic closing control value of overload be present in existing fluid line overload automatic safety device
It is unstable, not precisely, the defects of actual use demand can not be fully met.
Utility model content
Technical problem to be solved in the utility model is：For above-mentioned the deficiencies in the prior art, there is provided a kind of fluid hose
Road overload automatic safety device.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of fluid line overload is certainly
Moving protection device, it includes cylinder sleeve, outlet end cap, inlet end cap, valve body and current limiting element, it is characterised in that：The cylinder sleeve is hollow
Cylinder, its inwall are provided with annular recess, and the inlet end cap and outlet end cap are connected with cylinder sleeve and form an accommodation space, the import
End cap center is provided with fluid inlet, and the outlet end cap is correspondingly provided with fluid issuing, and the valve body is placed in the accommodation space, can be in cylinder
Slid axially in set, axially extending bore and a radial direction through hole are provided with the valve body, is provided with stage clip in the radial direction through hole, the stage clip both ends
There is a spherosome on top respectively, and side of the spherosome away from stage clip is resisted against the inwall of the cylinder sleeve, and the bottom of the valve body is inside
Counterbore, the bottom center of the counterbore sets inside another counterbore, and the counterbore is provided with a stage clip, stage clip one end contact this sink
Bottom hole end, the stage clip other end are resisted against the end face at current limiting element closure end, and the top of the valve body is formed can fluid relative outlet
The plug of sliding, the fluid issuing can be closed when the plug slides axially in the fluid issuing, the current limiting element is placed in this
In the fluid inlet of inlet end cap, the current limiting element includes sliding end and closure end, and sliding end can seal in being slided in fluid inlet
Stifled end can be slided in the bottom counterbore of valve body, and the sliding end of the current limiting element sets axial fluid passage, and radial fluid to lead to
Road, closure end set axial fluid passage, so that the cunning that the fluid entered from the fluid inlet of inlet end cap passes through current limiting element
The axial fluid passage and radial fluid passages of moved end, and the axial fluid passage outflow at closure end, flow to valve body axially extending bore.
Separately there is return push rod on the outlet end cap, closing push rod, the return push rod and pass are additionally provided with inlet end cap
Close and seal is all provided with push rod.
The outlet end cap and inlet end cap are connected with cylinder sleeve respectively by connecting bolt.
The outlet end cap and cylinder sleeve, are respectively equipped with seal between inlet end cap and cylinder sleeve.
Confidential paper is provided with the plug.
This protection device is simple in construction, and security and stability is high, is swift in response sensitive.
Brief description of the drawings
Fig. 1 is the structure cut-away view of the utility model embodiment.
Fig. 2 is another structure cut-away view of the utility model embodiment.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model is a kind of fluid line overload automatic safety device, and it includes cylinder sleeve
1st, outlet end cap 2, inlet end cap 3, valve body 4 and current limiting element 5.Wherein, the cylinder sleeve 1 is hollow cylinder, and its inwall is provided with ring-type
Groove 11；The outlet end cap 2 and inlet end cap 3 make import and export end cap be connected respectively with cylinder sleeve 1 to be formed by connecting bolt 6
One accommodation space 7；The center of inlet end cap 3 is provided with fluid inlet 31, and fluid issuing 21 is correspondingly provided with the outlet end cap 2；Enter
One step, the outlet end cap 2 is with further respectively having seal 8 between cylinder sleeve 1, and inlet end cap 3 and cylinder sleeve 1.
The valve body 4 is placed in the volume space 7, can be slid axially in cylinder sleeve 1.Axially extending bore 41 is provided with the valve body 4
With a radial direction through hole 42, the radial direction through hole 42 is interior to be provided with stage clip 43, and contact has a spherosome 44, the circle respectively at the both ends of stage clip 43
Side of the spheroid 44 away from the stage clip 43 is resisted against the inwall of the cylinder sleeve 1.The bottom of the valve body 4 is inside counterbore 45, counterbore
45 bottom center sets inside another counterbore 46, and counterbore 46 sets a stage clip 47, the bottom of one end contact counterbore 46 of stage clip 47
End, the other end of stage clip 47 are resisted against the end face at the closure end of current limiting element 5, and the top of the valve body 4 forms energy fluid relative and gone out
The plugs 48 of the sliding of mouth 21, the fluid issuing 21 can be closed when the plug 48 slides axially in the fluid issuing 21, enters one
Step, seal 8 is provided with the plug 48, the valve body 4 is arranged in opening on inlet end cap 3.
The current limiting element 5 is placed in the fluid inlet 31 of the inlet end cap 3, including sliding end 51 and closure end 52, is slided
End 51 can be slided in the fluid inlet 31, and closure end 52 can be in sliding in the counterbore 45 of valve body 4, the sliding end of the current limiting element 5
51 set axial fluid passages 53 and radial fluid passages 54, and closure end 52 sets axial fluid passage 55, so that from entrance point
The fluid passage 53 that the fluid that the fluid inlet 31 of lid 3 enters passes through current limiting element 5.Fluid passage 54 and fluid passage 55 are flowed
Go out, flow to the axially extending bore 41 of valve body 4.
The course of work, when the overload of fluid line, current limiting element 5 is entered by the fluid inlet 31 of inlet end cap 3
Fluid（Liquid or gas）The thrust of current limiting element 5 is increased, and more than being arranged in the counterbore 46 of valve body 4 stage clip 47 to limit
The active force of fluid element.Stage clip 47 compresses, and current limiting element 5 moves to valve body 4, now due to being arranged on the radial direction through hole of valve body 4
The contact spherosome 44 of stage clip 43 in 42, the active force of the inwall of the inwall cylinder sleeve 1 of the contact cylinder sleeve 1 of spherosome 44 cause valve body 4
Transfixion.Current limiting element 5 continues to move to valve body 4, and closure end 52 and the bottom surface of 4 bottom counterbore of valve body 45 of current limiting element 5 are pasted
Close, block the axially extending bore 41 of valve body 4, the pressure differential at the both ends of valve body 4 increases rapidly, and fluid increases rapidly to the thrust of valve body
Greatly, so as to promoting valve body 4 to be slided to outlet end cap 2 rapidly so that plug 48 slides in the fluid issuing 21 of outlet end cap 2,
Realize that fluid issuing 21 is closed rapidly.Simultaneously stage clip 43 pressure effect under, spherosome 44 in the sliding process of valve body 4 with cylinder
The annular recess 11 of set 1 produces the normal force along contact surface to spherosome 44, increases the closing presure of valve body, and valve body
The seal 8 set on 4 plug 48 make it that the sealing of valve body 4 and fluid issuing 21 is more tight, and protection device is closed more reliable.
Further, return push rod 22 is additionally provided with the outlet end cap 2, is additionally provided with inlet end cap 3 and closes push rod 32.When
After overload eliminates, return push rod 22 can be promoted to reset valve body 4, fluid line can resume work.Also closing can be promoted to push up
Bar 32 makes the plug 48 of valve body 4 be closed with the outlet 21 of outlet end cap 2, realizes the manual-lock function of protection device, more enters one
Seal 8 is all provided with step ground, the return push rod 22 and closing push rod 32.
Claims (6)
1. a kind of fluid line overload automatic safety device, it includes cylinder sleeve（1）, outlet end cap（2）, inlet end cap（3）、
Valve body（4）And current limiting element（5）It is characterized in that：The cylinder sleeve（1）For hollow cylinder, its inwall is provided with annular recess（11）, should
Outlet end cap（2）And inlet end cap（3）With cylinder sleeve（1）Connect and form an accommodation space（7）；The inlet end cap（3）Center is set
There is fluid inlet（31）, fluid issuing is correspondingly provided with the outlet end cap（21）, the valve body（4）It is placed in the accommodation space（7）In,
Can be in cylinder sleeve（1）Inside slide axially, the valve body（4）It is interior to be provided with axially extending bore（41）With a radial direction through hole（42）, the radial direction through hole
（42）It is interior to be provided with stage clip（43）, the stage clip（43）Contact has a spherosome respectively at both ends（44）The spherosome（44）Away from stage clip
（43）Side be resisted against the cylinder sleeve（1）Inwall, the valve body（4）Bottom be inside counterbore（45）, counterbore（45）Bottom
Portion center sets inside another counterbore（46）, counterbore（46）Provided with a stage clip（47）, stage clip（47）One end contact counterbore（46）
Bottom, stage clip（47）The other end be resisted against current limiting element（5）Closure end, the valve body（4）Formed can relative stream at top
Body exports（21）The plug of sliding（48）, when the plug（48）In the fluid issuing（21）In can close the fluid when sliding axially
Outlet（21）；The current limiting element（5）It is placed in the inlet end cap（3）Fluid inlet（31）In, the current limiting element（5）Including sliding
End（51）With closure end（52）, sliding end（51）Can be in fluid inlet（31）Interior slip, block end（52）Can be in valve body（4）It is heavy
Hole（45）Interior slip, the current limiting element（5）Sliding end（51）Axial fluid passage is set（53）, and radial fluid passages
（54）, block end（52）Axial fluid passage is set（55）；So that from inlet end cap（3）Fluid inlet（31）The fluid of entrance
Pass through current limiting element（5）Fluid passage（53）, fluid passage（54）And fluid passage（55）Outflow, flows to valve body（4）Axle
To through hole（41）.
A kind of 2. fluid line overload automatic safety device as claimed in claim 1, it is characterised in that the port of export
Lid（2）On be additionally provided with return push rod（22）, inlet end cap（3）On be additionally provided with closing push rod（32）.
A kind of 3. fluid line overload automatic safety device as claimed in claim 2, it is characterised in that the return top
Bar（22）And close push rod（32）On be all provided with seal（8）.
A kind of 4. fluid line overload automatic safety device as claimed in claim 1 or 2, it is characterised in that it is described go out
Mouth end cap（2）And inlet end cap（3）Pass through connecting bolt（6）Respectively with cylinder sleeve（1）Connection.
A kind of 5. fluid line overload automatics as claimed in claim 1 or 2, it is characterised in that the port of export
Lid（2）With cylinder sleeve（1）, inlet end cap（3）With cylinder sleeve（1）Between be respectively equipped with seal（8）.
6. a kind of fluid line overload automatic safety device as claimed in claim 1 or 2, it is characterised in that described stifled
Head（48）On be provided with seal（8）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385005 | 2016-12-16 | ||
| CN2016213850051 | 2016-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738656U true CN206738656U (en) | 2017-12-12 |
Family
ID=59420875
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367187.2A Pending CN106989191A (en) | 2016-12-16 | 2017-05-23 | Fluid line overload automatic safety device |
| CN201720576133.2U Expired - Fee Related CN206738656U (en) | 2016-12-16 | 2017-05-23 | Fluid line overload automatic safety device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367187.2A Pending CN106989191A (en) | 2016-12-16 | 2017-05-23 | Fluid line overload automatic safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106989191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989191A (en) * | 2016-12-16 | 2017-07-28 | 李国栋 | Fluid line overload automatic safety device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606194A (en) * | 2017-11-09 | 2018-01-19 | 李国栋 | The super stream self-closing valve of fluid line |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB833777A (en) * | 1957-03-19 | 1960-04-27 | Matthew Hall And Co Ltd | Improvements in and relating to fluid pressure relief valves |
| CN204477409U (en) * | 2015-01-04 | 2015-07-15 | 李国栋 | Pipeline burst automatic safety device |
| CN104989854B (en) * | 2015-07-15 | 2017-09-26 | 李国栋 | The vertical automatic safety device of pipeline burst |
| CN106989191A (en) * | 2016-12-16 | 2017-07-28 | 李国栋 | Fluid line overload automatic safety device |
-
2017
- 2017-05-23 CN CN201710367187.2A patent/CN106989191A/en active Pending
- 2017-05-23 CN CN201720576133.2U patent/CN206738656U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989191A (en) * | 2016-12-16 | 2017-07-28 | 李国栋 | Fluid line overload automatic safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106989191A (en) | 2017-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |