CN206904321U - A kind of safety valve - Google Patents
A kind of safety valve Download PDFInfo
- Publication number
- CN206904321U CN206904321U CN201720801733.4U CN201720801733U CN206904321U CN 206904321 U CN206904321 U CN 206904321U CN 201720801733 U CN201720801733 U CN 201720801733U CN 206904321 U CN206904321 U CN 206904321U
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- China
- Prior art keywords
- valve
- bonnet
- adjusting set
- valve body
- engaged
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Abstract
It the utility model is related to a kind of safety valve, it includes safe valve body, the safe valve body includes the valve body being mutually permanently connected, bonnet and adjusting set, the junction of valve body and bonnet is provided with valve bonnet seal circle, spherical valve pocket is provided with valve body, valve element and the valve rod being fixedly connected with valve element are set in valve pocket, valve element lower end is provided with the valve core seal ring being adapted with valve pocket inwall, valve rod is interspersed to be arranged at bonnet and adjusting set center, and stem lower portion is arranged with the valve stem packing ring being engaged with bonnet.Simple and reasonable, practical simple, the sealing height of the safety valve, service life length are securely and reliably, easy to spread.
Description
Technical field
It the utility model is related to valve technology field, and in particular to a kind of safety valve.
Background technology
Safety valve belongs to automatic valve class, plays safeguard protection in systems, and its opening and closing element is under external force in normal
Closed state, when the fluid pressure in equipment or pipeline increases to over setting, safety valve automatically opens up, by being arranged to outside system
Medium is put to prevent that pressure medium exceedes specified value in pipeline or equipment, so as to ensure that because of hypertonia thing does not occur for system
Therefore.Thus safety valve is a kind of special important valve, and it not only acts as the effect of switch, it is often more important that to the safety of equipment
Play vital effect.But there is valve body and valve core chamber sealing deficiency, spring pressure regulation for existing safety valve
The problem of inconvenient.
Utility model content
For the deficiency of background technology, the utility model provides a kind of safety valve, solves existing safety valve and exists
Valve body and adjust the problem of inconvenient with valve core chamber sealing deficiency, preset pressure.
Technical scheme is used by the utility model：A kind of safety valve, it includes safe valve body, the safety valve
Body includes the valve body being mutually permanently connected, bonnet and adjusting set, and the junction of valve body and bonnet is provided with valve bonnet seal circle, valve
Be provided with spherical valve pocket in vivo, valve element and the valve rod being fixedly connected with valve element be set in valve pocket, valve element lower end be provided with
The valve core seal ring that valve pocket inwall is adapted, valve rod is interspersed to be arranged at bonnet and adjusting set center, stem lower portion be arranged with
The valve stem packing ring that bonnet is engaged；
As to the utility model further instruction, it is preferable that the bonnet and regulation inner room are described provided with being placed on
Spring assembly on valve rod, spring assembly include compression spring and connect the spring base I and bullet of compression spring upper and lower ends
Spring abutment II, spring base I upper end are provided with the bearing arrangement being engaged with adjusting set；
As to the utility model further instruction, it is preferable that the bonnet and adjusting set are threadedly mutual
Be fixedly connected, be arranged with the round nut being adapted with adjusting set outside bonnet, be additionally provided with bonnet be engaged with round nut it is outer
Screw thread and size scale, the check lock lever being interspersed in the spring base I and bearing arrangement is also set up in adjusting set, is set on check lock lever
There is the internal thread being engaged with the valve rod, packing ring is arranged with check lock lever；
As to the utility model further instruction, it is preferable that the left end of the valve body and lower end be respectively arranged with
The medium entrance and media outlet that the valve pocket is fixedly connected, medium entrance and media outlet are mutually perpendicular to, and medium entrance and
Cassette joint is provided with media outlet；
As to the utility model further instruction, it is preferable that annular groove I is provided with the bonnet and annular is recessed
Groove II, annular groove I quantity are arranged to be provided with described valve stem packing ring, annular groove II in two and annular groove I
Inside it is provided with described valve bonnet seal circle.
The beneficial effects of the utility model are：Due to taking above-mentioned technical proposal, the safety valve it is simple and reasonable, lead to
Cross and set valve core seal ring, valve stem packing ring and valve bonnet seal circle to improve the overall sealing of safety valve, while pass through adjusting set
Cooperated with round nut and the size scale being arranged on bonnet, be easy to adjust spring pressure, substantially increase safety valve
Overall performance, practical simple, service life length is securely and reliably, easy to spread.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
1, valve body in figure；2nd, bonnet；3rd, adjusting set；4th, valve bonnet seal circle；5th, valve pocket；6th, valve element；7th, valve rod；8th, valve rod is close
Seal；9th, compression spring；10th, spring base I；11st, spring base II；12nd, bearing arrangement；13rd, round nut；14th, size scale；15、
Check lock lever；16th, packing ring；17th, medium entrance；18th, media outlet；19th, annular groove I；20th, annular groove II；21st, seal spool
Circle.
Embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of safety valve, it includes safe valve body, and the safe valve body, which includes, to interfix
The junction of valve body 1, bonnet 2 and the adjusting set 3 of connection, valve body 1 and bonnet 2 is provided with valve bonnet seal circle 4, is provided with valve body 1
Spherical valve pocket 5, the interior valve rod 7 for setting valve element 6 and being fixedly connected with valve element 6 of valve pocket 5, the lower end of valve element 6 is provided with and valve pocket 5
The valve core seal ring 21 that inwall is adapted, the lower end of valve element 6 are additionally provided with the chamfering structure being engaged with valve core seal ring 21, valve rod
7 it is interspersed be arranged at bonnet 2 and the center of adjusting set 3, the bottom of valve rod 7 is arranged with the valve stem packing ring 8 being engaged with bonnet 2.
The further setting of the present embodiment, the spring being placed on the valve rod 7 is provided between the bonnet 2 and adjusting set 3
Component, spring assembly include compression spring 9 and connect the spring base I 10 and spring base II of the upper and lower ends of compression spring 9
11, spring base I 10 upper end are provided with the bearing arrangement 12 being engaged with adjusting set 3, and bearing arrangement 12 avoids adjusting set 3 from adjusting
Spring base I 10 is had an impact during rotation and then influences pre-set springs pressure.
The further setting of the present embodiment, the bonnet 2 and adjusting set 3 are threadedly mutually permanently connected, bonnet 2
The round nut 13 being adapted with adjusting set 3 is arranged with outside, the external screw thread and chi being engaged with round nut 13 are additionally provided with bonnet 2
Very little scale 14, size scale 14 are used to show preset pressure value, are also set up in adjusting set 3 and be interspersed in the spring base I 10 and axle
Check lock lever 15 in bearing structure 12, check lock lever 15 are provided with the internal thread being engaged with the valve rod 7, are arranged with check lock lever 15
Packing ring 16.
The further setting of the present embodiment, the left end of the valve body 1 and lower end, which are respectively arranged with to fix with the valve pocket 5, to be connected
The medium entrance 17 and media outlet 18 connect, medium entrance 17 and media outlet 18 are mutually perpendicular to, and medium entrance 17 and medium
Cassette joint is provided with outlet 18, cassette joint is easy to quickly connect.
The further setting of the present embodiment, annular groove I 19 and annular groove II 20, ring are provided with the bonnet 2
Connected in star I 19 quantity is arranged to be provided with described valve stem packing ring 8, annular groove II in two and annular groove I 19
Described valve bonnet seal circle 4 is provided with 20.
The safety valve it is simple and reasonable, by setting valve core seal ring, valve stem packing ring 8 and valve bonnet seal circle 4 to carry
The overall sealing of high safety valve, while pass through adjusting set 3 and round nut 13 and the phase of size scale 14 being arranged on bonnet 2
Mutually coordinate, be easy to adjust spring pressure, substantially increase the overall performance of safety valve, it is practical simple, service life length, safely may be used
Lean on, it is easy to spread.
Every technical staff's notice：Although the utility model describes according to above-mentioned embodiment, this
The invention thought of utility model is not limited to that utility model, any repacking with inventive concept, will all include this specially
In sharp scope of patent protection.
Claims (5)
1. a kind of safety valve, include safe valve body, it is characterised in that：The safe valve body, which includes, to be mutually permanently connected
Valve body, bonnet and adjusting set, the junction of valve body and bonnet is provided with valve bonnet seal circle, spherical valve pocket is provided with valve body,
Valve element and the valve rod being fixedly connected with valve element are set in valve pocket, and it is close that valve element lower end is provided with the valve element being adapted with valve pocket inwall
Seal, valve rod is interspersed to be arranged at bonnet and adjusting set center, and stem lower portion is arranged with the valve stem packing ring being engaged with bonnet.
A kind of 2. safety valve according to claim 1, it is characterised in that：The bonnet and regulation inner room are provided with and are placed on institute
State the spring assembly on valve rod, spring assembly include compression spring and the spring base I for connecting compression spring upper and lower ends and
Spring base II, spring base I upper end are provided with the bearing arrangement being engaged with adjusting set.
A kind of 3. safety valve according to claim 2, it is characterised in that：The bonnet and adjusting set threadedly phase
Mutually it is fixedly connected, is arranged with the round nut being adapted with adjusting set outside bonnet, is additionally provided with what is be engaged with round nut on bonnet
External screw thread and size scale, also set up the check lock lever being interspersed in the spring base I and bearing arrangement in adjusting set, on check lock lever
Provided with the internal thread being engaged with the valve rod, packing ring is arranged with check lock lever.
A kind of 4. safety valve according to claim 1, it is characterised in that：The left end of the valve body and lower end are respectively arranged with
The medium entrance and media outlet being fixedly connected with the valve pocket, medium entrance and media outlet are mutually perpendicular to, and medium entrance
With cassette joint is provided with media outlet.
A kind of 5. safety valve according to claim 1, it is characterised in that：Annular groove I and ring are provided with the bonnet
Connected in star II, annular groove I quantity are arranged to be provided with described valve stem packing ring in two and annular groove I, and annular is recessed
Described valve bonnet seal circle is provided with groove II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801733.4U CN206904321U (en) | 2017-07-04 | 2017-07-04 | A kind of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801733.4U CN206904321U (en) | 2017-07-04 | 2017-07-04 | A kind of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904321U true CN206904321U (en) | 2018-01-19 |
Family
ID=61293386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720801733.4U Active CN206904321U (en) | 2017-07-04 | 2017-07-04 | A kind of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388491A (en) * | 2019-08-29 | 2019-10-29 | 浙江瑞格铜业有限公司 | A kind of combustion gas automatic stop valve of adjustable different medium gas flow |
-
2017
- 2017-07-04 CN CN201720801733.4U patent/CN206904321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388491A (en) * | 2019-08-29 | 2019-10-29 | 浙江瑞格铜业有限公司 | A kind of combustion gas automatic stop valve of adjustable different medium gas flow |
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| GR01 | Patent grant |