CN206338428U - It is a kind of stop silt with warming adjusting spool - Google Patents
It is a kind of stop silt with warming adjusting spool Download PDFInfo
- Publication number
- CN206338428U CN206338428U CN201621403441.7U CN201621403441U CN206338428U CN 206338428 U CN206338428 U CN 206338428U CN 201621403441 U CN201621403441 U CN 201621403441U CN 206338428 U CN206338428 U CN 206338428U
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- CN
- China
- Prior art keywords
- bonnet
- chamber
- gap
- current limliting
- end cap
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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.)
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- Temperature-Responsive Valves (AREA)
- Valve Housings (AREA)
Abstract
It is a kind of stop silt with warming adjusting spool, including shell, current limliting end cap, spring base, adjusting nut, axle, bonnet and memory alloy spring, also include annular catch, annular catch is provided with the locating shoulder of bonnet chamber and current limliting end cap chamber intersection, and the end of current limliting end cap compresses annular catch；There is the first gap between bonnet and bonnet chamber；There is the second gap between the centre bore and bonnet of annular catch, there is third space between bonnet and spool chamber.First gap is more than third space, and the second gap is less than third space.Using such structure, when impurity can be by the second gap, third space can be also passed through；When impurity can not be by the second gap, then it can not eliminate impurity by the second gap and remain in the third space between bonnet and current limliting end cap to cause the phenomenon of clamping stagnation.
Description
Technical field
The utility model is related to a kind of constant-current stabilizer of gas-fired water heater, and especially one kind is with warming adjusting spool.
Background technology
Currently available technology, it is a kind of with warming adjusting spool, including shell, current limliting end cap, spring base, adjusting nut, axle,
Bonnet and memory alloy spring, shell include valve pocket and water inlet interface, and valve pocket top is bonnet chamber, bottom current limliting end cap chamber；Limit
Flowing end cap includes upper valve core cavity, lower water chamber and the axis hole for connecting upper valve core cavity with lower water chamber, and the bottom of upper valve core cavity has
Seat counterbore；Axle is included along the water-guiding cavity of axis, outside upper threaded portion, body portion and guide part, and there is radial direction water hole in body portion；Bonnet includes lid
Plate portion and barrel, ceiling plate portion are provided with the center screw positioned at center and the axial water hole around center screw；Spring base bag
Include cover for seat and the flange around cover for seat；The guide part insertion axis hole of axle is interior and is slidably matched, and the cover for seat of spring base is enclosed within the body of axle
In portion, in flange embedded seat counterbore, cover for seat is stretched into memory alloy spring, flange support memory alloy spring；The upper outer spiral shell of axle
The centre bore screwhole spiro bonding of line portion and bonnet simultaneously stretches out bonnet, and the position that upper external thread part stretches out bonnet is screwed togather with nut；Current limliting
End cap and current limliting end cap chamber secure fit, bonnet are slidably matched with bonnet chamber；Bonnet is stretched into upper valve core cavity.There is problem is：
Fashionable when there is impurity to enter, being subjected to displacement for influence bonnet causes regulatory function to fail.
Utility model content
The purpose of this utility model is：There is provided it is a kind of stop silt with warming adjusting spool, it eliminates impurity and entered
Enter to influence the functional defect of current stabilization.
What the utility model was realized in：It is a kind of stop silt with warming adjusting spool, including shell, current limliting end
Lid, spring base, adjusting nut, axle, bonnet and memory alloy spring, shell include valve pocket and water inlet interface, after valve pocket top is
Lid chamber, bottom current limliting end cap chamber；Current limliting end cap includes upper valve core cavity, lower water chamber and connects upper valve core cavity with lower water chamber
A counterbore is arranged at axis hole, the bottom of upper valve core cavity；Axle is included along the water-guiding cavity of axis, outside upper threaded portion, body portion and guide part, body portion
There is radial direction water hole；Bonnet includes ceiling plate portion and barrel, and ceiling plate portion is provided with positioned at the center screw at center and around center spiral shell
The axial water hole in hole；Spring base includes cover for seat and the flange around cover for seat；The guide part insertion axis hole of axle is interior and is slidably matched, bullet
The cover for seat of spring abutment is enclosed within the body portion of axle, and in flange embedded seat counterbore, cover for seat is stretched into memory alloy spring, flange support memory
Alloy spring；The upper external thread part of axle and the centre bore screwhole spiro bonding of bonnet simultaneously stretch out bonnet, and upper external thread part stretches out bonnet
Position is screwed togather with nut；Current limliting end cap and current limliting end cap chamber secure fit, bonnet are slidably matched with bonnet chamber；Bonnet stretches into upper valve
In core cavity；It is characterized in that：Also include annular catch,
Annular catch is provided with the locating shoulder of bonnet chamber and current limliting end cap chamber intersection, the end pressure of current limliting end cap
Tight annular catch；
There is the first gap between bonnet and bonnet chamber；There is the second gap between the centre bore and bonnet of annular catch, after
There is third space between lid and spool chamber.
First gap is more than third space, and the second gap is less than third space.
It is described it is a kind of stop silt with warming adjusting spool, it is characterized in that：The annular catch
Thickness is more than or equal to 0.3mm, is made up of metal, plastics or elastomeric material.
It is described it is a kind of stop silt with warming adjusting spool, it is characterized in that：The nut and bonnet it
Between have a gap, or nut is fitted with the top plate portion of bonnet and covers axial water hole.
The utility model is a kind of stop silt with warming adjusting spool, due to using such structure, when impurity can
During by the second gap, third space can be also passed through；When impurity can not be by the second gap, then it can not pass through second
Gap, that is, eliminate impurity and remain in the third space between bonnet and current limliting end cap to cause the phenomenon of clamping stagnation.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, it is a kind of stop silt with warming adjusting spool, including shell 1, current limliting end cap 2, spring base 3,
Adjusting nut 4, axle 5, bonnet 6 and memory alloy spring 7, shell 1 include valve pocket 1A and water inlet interface 1B, after valve pocket 1A tops are
Lid chamber, bottom current limliting end cap chamber；Current limliting end cap 2 includes upper valve core cavity 21, lower water chamber 22 and by upper valve core cavity and lower water chamber
A counterbore 211 is arranged at the axis hole 23 of connection, the bottom of upper valve core cavity 21；Axle 5 include along the water-guiding cavity of axis, outside upper threaded portion 51,
Body portion 52 and guide part 53, there is radial direction water hole in body portion 52；Bonnet 6 includes ceiling plate portion 61 and barrel 62, and ceiling plate portion 61 is provided with
Center screw positioned at center and the axial water hole 611 around center screw；Spring base 3 includes cover for seat and the method around cover for seat
It is blue；The insertion axis hole 23 of guide part 53 of axle 5 is interior and is slidably matched, and the cover for seat of spring base 3 is enclosed within the body portion 52 of axle, flange insertion
In seat counterbore 211, cover for seat is stretched into memory alloy spring 7, flange support memory alloy spring 7；The upper external thread part 51 of axle 5 with
The centre bore screwhole spiro bonding of bonnet 6 simultaneously stretches out bonnet 6, and the position that upper external thread part 51 stretches out bonnet 6 is screwed togather with nut 4；Bonnet 6
Barrel 62 stretch into upper valve core cavity 21, current limliting end cap 2 and current limliting end cap chamber 1A secure fits, bonnet 6 are slided with bonnet chamber
Coordinate, the top of bonnet 6 coordinates stop bit with the shoulder 1C of valve pocket 1A and water inlet interface 1B intersections.
Also include annular catch 8,
Annular catch 8 is provided with the locating shoulder 1D of bonnet chamber and current limliting end cap chamber intersection, the end of current limliting end cap 2
Portion compresses annular catch 8；
There is the first gap 91 between bonnet 6 and bonnet chamber；Have between the centre bore and bonnet 6 of annular catch 8 between second
Gap 92, there is third space 93 between bonnet 6 and spool chamber.
First gap 91 is more than third space 93, and the second gap 92 is less than third space 93.
The thickness of the annular catch 8 is more than or equal to 0.3mm, is made up of metal, plastics or elastomeric material.
There is gap between the nut 4 and bonnet 6, or nut 4 is fitted with the top plate portion of bonnet 6 and covers axial water hole.
Gap between adjusting nut and the top plate portion of bonnet reaches the purpose for adapting to different water pressures, reaching current stabilization.
Above-described is only preferred embodiments of the present utility model.It should be pointed out that for the common of this area
For technical staff, in the case where not departing from the utility model principle, some improvement and modification can also be made, this is also considered as
Protection domain of the present utility model.
Claims (3)
1. it is a kind of stop silt with warming adjusting spool, including shell, current limliting end cap, spring base, adjusting nut, axle, after
Lid and memory alloy spring, shell include valve pocket and water inlet interface, and valve pocket top is bonnet chamber, bottom current limliting end cap chamber；Current limliting
End cap includes upper valve core cavity, lower water chamber and the axis hole for connecting upper valve core cavity with lower water chamber, and seat is arranged at the bottom of upper valve core cavity
Counterbore；Axle is included along the water-guiding cavity of axis, outside upper threaded portion, body portion and guide part, and there is radial direction water hole in body portion；Bonnet includes cover plate
Portion and barrel, ceiling plate portion are provided with the center screw positioned at center and the axial water hole around center screw；Spring base includes
Cover for seat and the flange around cover for seat；The guide part insertion axis hole of axle is interior and is slidably matched, and the cover for seat of spring base is enclosed within the body portion of axle
On, in flange embedded seat counterbore, cover for seat is stretched into memory alloy spring, flange support memory alloy spring；The upper external screw thread of axle
The centre bore screwhole spiro bonding of portion and bonnet simultaneously stretches out bonnet, and the position that upper external thread part stretches out bonnet is screwed togather with nut；Current limliting end
Lid and current limliting end cap chamber secure fit, bonnet are slidably matched with bonnet chamber；Bonnet is stretched into upper valve core cavity；It is characterized in that：Also
Including annular catch,
Annular catch is provided with the locating shoulder of bonnet chamber and current limliting end cap chamber intersection, and the end of current limliting end cap compresses circle
Annular catch；
There is the first gap between bonnet and bonnet chamber；Have the second gap between the centre bore and bonnet of annular catch, bonnet with
There is third space between spool chamber；
First gap is more than third space, and the second gap is less than third space.
2. it is according to claim 1 it is a kind of stop silt with warming adjusting spool, it is characterised in that：The annular
The thickness of catch is more than or equal to 0.3mm, is made up of metal, plastics or elastomeric material.
3. it is according to claim 1 or 2 it is a kind of stop silt with warming adjusting spool, it is characterised in that：The spiral shell
There is gap between female and bonnet, or nut is fitted with the top plate portion of bonnet and covers axial water hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403441.7U CN206338428U (en) | 2016-12-20 | 2016-12-20 | It is a kind of stop silt with warming adjusting spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403441.7U CN206338428U (en) | 2016-12-20 | 2016-12-20 | It is a kind of stop silt with warming adjusting spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338428U true CN206338428U (en) | 2017-07-18 |
Family
ID=59300980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403441.7U Active CN206338428U (en) | 2016-12-20 | 2016-12-20 | It is a kind of stop silt with warming adjusting spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296537A (en) * | 2019-01-11 | 2019-10-01 | 成都前锋电子有限责任公司 | The water inlet interface with current stabilization pressure release of gas-fired water heater |
-
2016
- 2016-12-20 CN CN201621403441.7U patent/CN206338428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296537A (en) * | 2019-01-11 | 2019-10-01 | 成都前锋电子有限责任公司 | The water inlet interface with current stabilization pressure release of gas-fired water heater |
| CN110296537B (en) * | 2019-01-11 | 2023-08-01 | 成都前锋电子有限责任公司 | Water inlet connector with steady flow pressure relief for gas water heater |
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| GR01 | Patent grant |