CN207049371U - A kind of safety boiler valve - Google Patents
A kind of safety boiler valve Download PDFInfo
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- CN207049371U CN207049371U CN201720972685.5U CN201720972685U CN207049371U CN 207049371 U CN207049371 U CN 207049371U CN 201720972685 U CN201720972685 U CN 201720972685U CN 207049371 U CN207049371 U CN 207049371U
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Abstract
The utility model provides a kind of safety boiler valve, belongs to technical field of valve manufacturing.It solves the problems such as existing boiler valve noise is big.Safety boiler valve includes pressure release bar, pressure release spring, bonnet, plug and valve body, there is the intake antrum being connected with each other in valve body, water chamber and pressure-releasing chamber, valve body is in having valve seat in pressure-releasing chamber, bonnet is connected with valve body screw thread, plug is threadedly coupled with valve seat, the inner of pressure release bar is fixed with seal washer, the outer end of pressure release bar passes plug and is fixed with handwheel circumferentially fixedly, pressure release spring is placed on pressure release bar and provides elastic force so that seal washer has the trend for being plugged in valve seat all the time, valve body is built with the valve ball in intake antrum, the inner of a piece valve rod is circumferentially fixed with valve ball, the outer end of valve rod passes valve body and is fixed with handle, valve body is connected with noise elimination adapter in the end of pressure-releasing chamber.The utility model has the advantages that compact-sized, pressure release noise is small.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, is related to a kind of safety boiler valve.
Background technology
When domestic boiler and wall hung gas boiler heating system work, system pressure can become big, beyond the safe pressure of setting, just
Need to discharge internal system pressure, not so system pipeline can be caused to be damaged, therefore all can be in domestic boiler and wall hung gas boiler
Relief valve is connected in pipeline, after manifold pressure exceedes the safe pressure of setting, water flow in pipeline is discharged in relief valve work
And pressure release, but current sound can be produced during relief valve pressure release, send noise, can produced during user's rest frightened and uncomfortable
Sense, the sealing of existing relief valve is not ideal enough in addition.
In order to overhaul and safeguard, the pipeline in domestic boiler and wall hung gas boiler heating system is also associated with ball valve, in order to anti-
Sealing flows back to, and prevents boiler and the anhydrous dry combustion method damage of wall hung gas boiler, is also associated with check-valves in pipeline, this spline structure is more multiple
Miscellaneous, connection is not convenient enough, and junction is more, also increases the probability of leak.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, there is provided one kind is compact-sized, lets out
Press the small safety boiler valve of noise.
The purpose of this utility model can be realized by following technical proposal：A kind of safety boiler valve, including pressure release bar, let out
Pressing spring, bonnet, plug and valve body, interior intake antrum, water chamber and the pressure-releasing chamber with interconnection of described valve body are described
Valve body is in having valve seat in pressure-releasing chamber, described bonnet is connected with valve body screw thread, and described plug is threadedly coupled with valve seat, described
The inner of pressure release bar be fixed with seal washer, the outer end of pressure release bar passes plug and is fixed with handwheel circumferentially fixedly, described
Pressure release spring be placed on pressure release bar and provide elastic force so that seal washer has the trend for being plugged in valve seat all the time, its feature exists
In described valve body is built with the valve ball in intake antrum, inner, the outer end of valve rod circumferentially fixed with valve ball of a valve rod
Pass valve body and be fixed with handle, described valve body is connected with noise elimination adapter in the end of pressure-releasing chamber.
Safety boiler valve is integrated with the function of ball valve and relief valve, compact-sized, passes through rotational handle during use, drives
Valve rod and valve ball rotate, so that current blocking or connecting in the flow and intake antrum of valve ball control intake antrum, operate
It is convenient, and when valve ball blocks intake antrum current, easy access and maintenance；Safety boiler valve by handwheel drive pressure release bar and
Plug rotates, so as to change the decrement of spring to set safe pressure, when hydraulic pressure (is set more than the elastic force of spring in valve body
Safe pressure) when, current by valve seat and push up opens seal washer, from pressure-releasing chamber flow through noise elimination take over and discharge so that family expenses
Boiler, wall hung gas boiler and pipeline will not be damaged by high pressure, and adapter of eliminating the noise effectively eliminates pressure release noise so that environment is quiet comfortable.
In a kind of above-mentioned safety boiler valve, described intake antrum is located at the lower section of valve body, and described water chamber is located at
The side of valve body, described valve body are threaded with the lock ring for being pressed in valve ball sidepiece, described valve body in the inner of intake antrum
Top be connected with lock nut, check-valve lever is provided with described valve body, the upper end of described check-valve lever and lock nut are circumferential connected
And check spring is arranged with check-valve lever, the upper end of described check spring contacts at lock nut, and the lower end of check spring contradicts
In the lower end of check-valve lever to cause the lower end of check-valve lever that there is the trend of lock ring of being plugged in all the time.Safety boiler valve uses
When, the current of intake antrum overcome the elastic force of check spring, hence into water chamber, when there is current backflow, check-valve lever
Lower end is plugged in lock ring to avoid flowing back, and so prevents hot water return to avoid producing unnecessary energy consumption, also avoids backflow from causing
The anhydrous dry combustion method of domestic boiler, wall hung gas boiler and damage.
In a kind of above-mentioned safety boiler valve, described valve ball is threeway valve ball, and described valve body is in the side of intake antrum
Portion offers discharge outlet, and described discharge outlet is threaded with drainage stopper, is provided between described drainage stopper and valve body close
Seal ring.So draining is convenient, easy access and maintenance.
In a kind of above-mentioned safety boiler valve, between described valve ball and valve body, between valve ball and lock ring, lock ring and valve
Between body, between lock ring and check-valve lever the inner, sealing ring is equipped between valve body and lock nut, between described valve rod and valve body
Provided with least two O-rings.Such good airproof performance, will not leak, working stability.
In a kind of above-mentioned safety boiler valve, described seal washer has tubular sealing, described sealing
Compressed in the edge insertion valve body in portion and by the inner of bonnet, the inner of described pressure release bar is arranged with the bullet in sealing
Spring mounting seat, the outer wall support of described spring mounting seat supply pressure release spring in the inwall of sealing, the bottom wall of spring mounting seat
Contradict.Such good airproof performance, sealing play isolation flow action, avoid current from entering at pressure release spring and pressure release bar and influence
The job stability of pressure release spring, pressure release bar, pressure release spring and pressure release puccinia graminis is also avoided to lose, service life length.
In a kind of above-mentioned safety boiler valve, described valve body offers recessed recessed of a circle in the inwall of pressure-releasing chamber
Groove, the end of described noise elimination adapter have a taper Access Division that is outwardly and being stuck in groove, described noise elimination adapter with
Sealing shroud is provided between the inwall of pressure-releasing chamber.So easy to connect and good airproof performance.
Compared with prior art, safety boiler valve is compact-sized, easy to assembly, safe to use, pressure release noise
It is low, good airproof performance, good operating stability, and possess check function, effectively prevent the anhydrous dry combustion method of domestic boiler, wall hung gas boiler and
Damage, draining is convenient in addition, overhauls and easy to maintenance.
Brief description of the drawings
Fig. 1 is the structure sectional view of safety boiler valve.
Fig. 2 is the structure sectional view of Section A-A in Fig. 1.
In figure, 1, pressure release bar；2nd, pressure release spring；3rd, bonnet；4th, plug；5th, valve body；5a, intake antrum；5b, water chamber；5c、
Pressure-releasing chamber；5d, valve seat；5e, discharge outlet；5f, groove；6th, seal washer；6a, sealing；7th, handwheel；8th, valve ball；9th, valve rod；
10th, handle；11st, eliminate the noise and take over；11a, taper Access Division；12nd, lock ring；13rd, lock nut；14th, check-valve lever；15th, check spring；
16th, drainage stopper；17th, sealing ring；18th, sealing ring；19th, spring mounting seat；20th, sealing shroud；21st, O-ring.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As depicted in figs. 1 and 2, safety boiler valve includes pressure release bar 1, pressure release spring 2, bonnet 3, plug 4 and valve body 5,
There is in valve body 5 intake antrum 5a, water chamber 5b and the pressure-releasing chamber 5c being connected with each other, valve body 5 in having valve seat 5d in pressure-releasing chamber 5c,
Bonnet 3 is threadedly coupled with valve body 5, and plug 4 is threadedly coupled with valve seat 5d, and the inner of pressure release bar 1 is fixed with seal washer 6, pressure release
The outer end of bar 1 passes plug 4 and is fixed with handwheel 7 circumferentially fixedly, and pressure release spring 2, which is placed on pressure release bar 1 and provides elastic force, to be made
Obtain seal washer 6 has the trend for being plugged in valve seat 5d all the time, and valve body 5 is built with the valve ball 8 in intake antrum 5a, a valve
The inner of bar 9 is circumferentially fixed with valve ball 8, and the outer end of valve rod 9 passes valve body 5 and is fixed with handle 10, and valve body 5 is in pressure-releasing chamber 5c's
End is connected with adapter 11 of eliminating the noise, and noise elimination adapter 11 is prior art, and structure is more, using internal with some in the present embodiment
The noise elimination adapter 11 of valve noise elimination flap.
Further describe in detail, in order to prevent current from flowing back, intake antrum 5a is located at the lower section of valve body 5, water chamber in the present embodiment
5b is located at the side of valve body 5, and valve body 5 is threaded with the lock ring 12 for being pressed in the sidepiece of valve ball 8, valve body in intake antrum 5a the inner
5 top is connected with lock nut 13, is provided with check-valve lever 14 in valve body 5, the upper end of check-valve lever 14 it is circumferential connected with lock nut 13 and
Check spring 15 is arranged with check-valve lever 14, the upper end of check spring 15 contacts at lock nut 13, and the lower end of check spring 15 is supported
Touch in the lower end of check-valve lever 14 with so that the lower end of check-valve lever 14 has the trend for being plugged in lock ring 12 all the time；For the ease of
Draining, valve ball 8 are threeway valve ball, and valve body 5 offers discharge outlet 5e in intake antrum 5a sidepiece, and discharge outlet 5e is threaded with row
Water blocking first 16, sealing ring 17 is provided between drainage stopper 16 and valve body 5.
For good airproof performance, between valve ball 8 and valve body 5, between valve ball 8 and lock ring 12, between lock ring 12 and valve body 5, lock
Sealing ring 18 is equipped between ring 12 and the inner of check-valve lever 14, between valve body 5 and lock nut 13, is provided between valve rod 9 and valve body 5
Two O-rings 21, seal washer 6 have tubular sealing 6a, and sealing 6a edge is embedded in valve body 5 and by bonnet 3
Inner compression, the inner of pressure release bar 1 is arranged with the spring mounting seat 19 in sealing 6a, the outer wall of spring mounting seat 19
Sealing 6a inwall is supported in, the bottom wall of spring mounting seat 19 contradicts for pressure release spring 2；In order to facilitate the company for adapter 11 of eliminating the noise
Connect, valve body 5 offers the recessed groove 5f of a circle in pressure-releasing chamber 5c inwall, the end of adapter 11 of eliminating the noise have it is outwardly simultaneously
The taper Access Division 11a being stuck in groove 5f, eliminate the noise and be provided with sealing shroud 20 between adapter 11 and pressure-releasing chamber 5c inwall.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a kind of safety boiler valve, including pressure release bar（1）, pressure release spring（2）, bonnet（3）, plug（4）And valve body（5）, it is described
Valve body（5）It is interior that there is the intake antrum being connected with each other（5a）, water chamber（5b）And pressure-releasing chamber（5c）, described valve body（5）In letting out
Press chamber（5c）It is interior that there is valve seat（5d）, described bonnet（3）With valve body（5）Threaded connection, described plug（4）With valve seat（5d）
Threaded connection, described pressure release bar（1）The inner be fixed with seal washer（6）, pressure release bar（1）Outer end pass circumferentially fixedly
Plug（4）And it is fixed with handwheel（7）, described pressure release spring（2）It is placed on pressure release bar（1）Upper and offer elastic force causes seal washer
（6）All the time have and be plugged in valve seat（5d）Trend, it is characterised in that described valve body（5）Built with positioned at intake antrum（5a）
In valve ball（8）, a valve rod（9）The inner and valve ball（8）It is circumferentially fixed, valve rod（9）Outer end pass valve body（5）And it is connected
There is handle（10）, described valve body（5）In pressure-releasing chamber（5c）End be connected with noise elimination adapter（11）.
A kind of 2. safety boiler valve according to claim 1, it is characterised in that described intake antrum（5a）Positioned at valve body
（5）Lower section, described water chamber（5b）Positioned at valve body（5）Side, described valve body（5）In intake antrum（5a）Inner spiral shell
Line, which is connected with, is pressed in valve ball（8）The lock ring of sidepiece（12）, described valve body（5）Top be connected with lock nut（13）, it is described
Valve body（5）It is interior to be provided with check-valve lever（14）, described check-valve lever（14）Upper end and lock nut（13）Circumferential connected and check-valves
Bar（14）On be arranged with check spring（15）, described check spring（15）Upper end contact at lock nut（13）, check spring
（15）Lower end contact at check-valve lever（14）Lower end to cause check-valve lever（14）Lower end all the time have be plugged in lock ring
（12）Trend.
A kind of 3. safety boiler valve according to claim 2, it is characterised in that described valve ball（8）For threeway valve ball
（8）, described valve body（5）In intake antrum（5a）Sidepiece offer discharge outlet（5e）, described discharge outlet（5e）Threaded connection
There is drainage stopper（16）, described drainage stopper（16）And valve body（5）Between be provided with sealing ring（17）.
A kind of 4. safety boiler valve according to claim 3, it is characterised in that described valve ball（8）And valve body（5）It
Between, valve ball（8）And lock ring（12）Between, lock ring（12）With valve body（5）Between, lock ring（12）With check-valve lever（14）The inner
Between, valve body（5）And lock nut（13）Between be equipped with sealing ring（18）, described valve rod（9）With valve body（5）Between be provided with least two
Individual O-ring（21）.
A kind of 5. safety boiler valve according to claim 1 or 2 or 3 or 4, it is characterised in that described seal washer（6）
With tubular sealing（6a）, described sealing（6a）Edge insertion valve body（5）In and by bonnet（3）Interior side pressure
Tightly, described pressure release bar（1）The inner be arranged with positioned at sealing（6a）In spring mounting seat（19）, described spring installation
Seat（19）Outer wall support in sealing（6a）Inwall, spring mounting seat（19）Bottom wall supply pressure release spring（2）Contradict.
A kind of 6. safety boiler valve according to claim 5, it is characterised in that described valve body（5）In pressure-releasing chamber（5c）
Inwall offer the recessed groove of a circle（5f）, described noise elimination adapter（11）End have outwardly and be stuck in groove
（5f）In taper Access Division（11a）, described noise elimination adapter（11）With pressure-releasing chamber（5c）Inwall between be provided with sealing shroud
（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972685.5U CN207049371U (en) | 2017-08-05 | 2017-08-05 | A kind of safety boiler valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972685.5U CN207049371U (en) | 2017-08-05 | 2017-08-05 | A kind of safety boiler valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049371U true CN207049371U (en) | 2018-02-27 |
Family
ID=61498360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720972685.5U Active CN207049371U (en) | 2017-08-05 | 2017-08-05 | A kind of safety boiler valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049371U (en) |
-
2017
- 2017-08-05 CN CN201720972685.5U patent/CN207049371U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317606, Zhejiang, Taizhou province Yuhuan Town Industrial Agglomeration Area Patentee after: Zhejiang Xin fan HVAC control Limited by Share Ltd Address before: 317606, Zhejiang, Taizhou province Yuhuan Town Industrial Agglomeration Area Patentee before: Zhejiang Xinfan Copper Co., Ltd. |