CN201184698Y - Connecting pipe fitting for water heater - Google Patents
Connecting pipe fitting for water heater Download PDFInfo
- Publication number
- CN201184698Y CN201184698Y CNU2007203107580U CN200720310758U CN201184698Y CN 201184698 Y CN201184698 Y CN 201184698Y CN U2007203107580 U CNU2007203107580 U CN U2007203107580U CN 200720310758 U CN200720310758 U CN 200720310758U CN 201184698 Y CN201184698 Y CN 201184698Y
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- CN
- China
- Prior art keywords
- filtration members
- connecting tube
- valve
- filter screen
- delivery port
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model provides a connecting pipe fitting used for a water heater, which comprises a valve body (B), a valve spool component arranged inside the valve body (B), a filtering element (90), and a passage which is closed by a dismountable fastener and arranged on one side of the filtering element (90). By using the passage which is closed by the dismountable fastener and the dismountable filtering element (90), the connecting pipe fitting realizes low maintenance cost of water supply pipes.
Description
Technical field
The utility model relates to the connecting tube that a kind of water heater is used.
Background technology
At present, in the water heater water inlet, the general use has the check valve of filtration members and the valve component that safety valve constitutes, and this valve component is made up of the water inlet, filtration members, check valve, safety valve and the delivery port that connect successively.During use, the water inlet of this valve component is connected with feed pipe, and delivery port is connected with the water heater water inlet, constitutes the pipeline to water supply of water heater thus.Cold water flow through successively water inlet, round sheet filtration members, check valve flow into the water heater water inlet then.At this moment, enter the pressure of the water of water heater liner, be operated in the safe pressure scope to guarantee water heater liner by safety valve restriction.
The modular construction of above-mentioned check valve and safety valve is simple and cost is lower, and still, the shortcoming of this assembly is that the round sheet filtration members area in the water inlet passageway is limited, is easy to the formation obstruction at the screen pack place, and then influences water supply of water heater.In addition, when the cleaning filtration members, filtration members integral body need be pulled down filtration members from pipeline, the operation more complicated.
In addition, water heater is installed is mixed water valve, also need to mix water valve and be connected with cold water pipe separately, mix water valve, also filtration members will be set in order to prevent that foreign material from directly flowing to.And pipeline repeats to be provided with, and it is not attractive in appearance again to expend labor and materials.
The utility model content
The utility model in view of the above problems, purpose is to provide a kind of connecting tube that is used for water heater, this valve has the filtration members of be difficult for stopping up and can cleaning for convenience detach.
The connecting tube that is used for water heater that the utility model provides comprises valve body, is arranged at the core assembly and the filtration members of valve inner, and wherein, a side of filtration members is provided with the passage by dismountable securing member sealing.
By being provided with passage, and utilize removable filter spare to seal this passage, can realize the disassembling function of filtration members for filtration members turnover.Thereby on filtration members, adhere in a large amount of dirts, can take out filtration members, filtration members is cleaned through passage.Like this, only carry out the dismounting realization pipeline of securing member and remove contamination, can reduce the work in the pipe-line maintenance, increase work efficiency, reduce maintenance cost.
On the technique scheme basis, the connecting tube that the utility model provides, described valve body are provided with water inlet and at least one delivery port, and described filtration members is arranged between water inlet and the delivery port.
Being provided with filtration members between water inlet and delivery port, can guaranteeing the water that comes out from each delivery port, all is to be filtered the water that part is crossed filtration.
On the technique scheme basis, in the connecting tube that the utility model provides, described filtration members is cylindric filtration members.
Cylindrical by filtration members is set as, can reduce when taking out and putting into this filtration members, the interference that takes place between filtration members and valve body, in addition, the filter capacity of cylindrical filter compare existing sheet filter element filter capacity and the antiblocking ability stronger.
On the technique scheme basis, in the connecting tube that the utility model provides, described cylindrical netted filtering spare comprises filter screen and cylindrical frame, and the periphery upper edge generatrix direction of cylindrical frame is provided with reinforcement, and described filter screen is by this reinforcement supporting.
By reinforcement supporting filter screen, not only improved the filtration members integral intensity, also by filter screen is supported, improved the ability of keeping shape of filter screen.
On the technique scheme basis, in the connecting tube that the utility model provides, described filter screen is made up of stacked filtering net plate, and to the outside, the mesh of filtering net plate little by little from big to small from the inboard of filtration members.
By constituting filter screen by stacked multistorey strainer mesh sheet, and to the outside, the mesh of filtering net plate has improved filter effect little by little from big to small from the inboard of filtration members.
On the technique scheme basis, in the connecting tube that the utility model provides, described filter screen by be configured between two adjacent reinforcements and bottom surface of filter screen on sub-filter screen form.At this moment, when certain sub-filter screen damages, can directly change this sub-filter screen, reduce use cost.
On the technique scheme basis, in the connecting tube that the utility model provides, described securing member and described filtration members are arranged along the filtration members axial order, and described securing member is fixed on described filtration members in the valve body by screw thread.
Arrange securing member and filtration members by order vertically, the installation and maintenance of filtration members is become be more prone to.
On the technique scheme basis, in the connecting tube provided by the utility model, described core assembly comprises the check valve that is arranged at least one delivery port downstream.
By being provided with check valve, can prevent that water pours in down a chimney to water return outlet from delivery port when the hydraulic pressure deficiency of water inlet oral-lateral.
On the technique scheme basis, in the connecting tube that the utility model provides, described core assembly comprises that also is arranged on a check valve safety of downstream valve.
By being provided with check valve, guaranteed not can hydraulic pressure is too high in water pipe the time, the water use sector in downstream is caused damage.
In the connecting tube that the utility model provides, between described check valve and the filtration members, have at least one can connect the delivery port that mixes water valve.
Can connect the delivery port that mixes water valve by between described check valve and filtration members, being provided with, can realize using single connecting tube, realize the dual-use function of water supply and mixed water, enlarge the scope of application of this connecting tube.
The utility model is the connecting tube of passage dismounting filtration members that can be through being located at filtration members one side, thus, can regularly take off filtration members, cavity in cleaning and filtering part and the valve body, prevent from check valve and safety valve to be caused obstruction because of the impurity that exists in the water inlet, guarantee the effluent characteristics of connecting tube, guarantee that current can not cause damage to the water use sector in downstream.
In addition, filtration members of the present utility model is columniform network structure, the filtration members of this structure, compare with the screen pack of sheet, can increase the filter area of filtration members significantly, reduce the probability that blocks, and then reduce and unpick and wash frequency, increase the service life of connecting tube.
In addition, between valve body check valve and filtration members, also be provided with the delivery port that is connected with mixed water valve, this connecting tube can be supplied water to a plurality of water use sectors simultaneously, avoided from supply channel, picking out cold water pipe in addition, make pipeline become attractive in appearance, reduce installation work-hour and cost.
Description of drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the cutaway view along A-A line among Fig. 1.
Fig. 3 is the partial enlarged drawing among Fig. 2.
Fig. 4 is the key diagram of filtration members.
The specific embodiment
Below, in conjunction with the accompanying drawings embodiment of the present utility model is illustrated.Fig. 1 is the front view of the utility model embodiment, and Fig. 2 is along the cutaway view of A-A line among Fig. 1.Fig. 3 is the partial enlarged drawing among Fig. 2.Fig. 4 is the key diagram of filtration members.
The connecting tube that is used for the water heater cold water pipe of present embodiment, comprise valve B, core assembly and filtration members 90, as shown in Figure 1 and Figure 2, this valve has water inlet 1, delivery port 4, delivery port 5, core assembly comprises check valve 11, safety valve 3, and filtration members 90 can be by the passage of being made up of the opening 96 and the cavity 9 of bolt 8 sealings.
As Fig. 2, shown in Figure 3, inside at connecting tube, along the axis BX of valve B (below, abbreviate axis BX as) be formed with cylindrical cavity 6, and the axis of this cavity 6 overlaps with axis BX, end (upper end among the figure) at cavity 6, the position that promptly is communicated with delivery port 4, one check valve 11 is set, and this check valve 11 comprises check valve main body 110, be set near the sealing unit 111 in check valve main body 110 1 ends, be set in the fixed head 112 that is positioned on the check valve main body 110 with sealing unit 111 opposite side ends, and two tower shape helical spring 113a, 113b.In addition, fixed head 112 is provided with several limbers that allows water to pass through.In addition, be located at the effect that sealing ring 115 on the sealing unit 111 plays sealing.The port of this delivery port 4 has internal thread or external screw thread, is used for linking to each other with the water inlet of water heater (not shown).
In addition, as shown in Figure 1, on the valve B of connecting tube, be positioned at the part of cavity 6, radially outward be formed with delivery port 5 along valve B with valve B, this delivery port 5 is tubulose delivery ports, week or periphery are formed with screw thread in it, can be used for being connected with the cold water water inlet end of other part such as the mixed water valve of water heater.Delivery port 4, the relative position of delivery port 5 and check valve 11 be, delivery port 5 is arranged on the upstream side of check valve 11, and delivery port 4 is positioned at the downstream of check valve 11.In other words, between this delivery port 4 and delivery port 5, be provided with check valve 11.Thus, can prevent when cutting off the water that the water in the water heater flows back in the supply channel through this delivery port 4.
As shown in Figure 3, between check valve 11 and delivery port 4, along valve B radially outward be formed with safety valve 3 with valve B, this safety valve 3 is tubular, comprises safety valve pipeline 34, safety valve body 31, helical spring 32, bolt 33.Some through holes are arranged on the bolt 33.When check valve 11 is closed, promote safety valve body 31 if the pressure in the water heater (not shown) that links to each other with delivery port 4 is excessive outside when mobile, safety valve body 31 overcomes the loading of helical spring 32, moves along safety valve pipeline 34, makes the through hole of water on bolt 33 flow to the valve B outside.Thus, can play and guarantee the interior pressure of water heater less than setting, thus the safe handling of assurance water heater.Prevent to damage water heater because of pipeline inner pressure is excessive.
As shown in Figure 2, valve B be provided with a water inlet 1 with delivery port 4 rightabout ends, the axis X of this water inlet 1 is parallel with the axis BX of valve B and stagger with it.And, in water inlet 1, be provided with a cavity 1a.In addition, be provided with external screw thread, be used for being connected of water inlet 1 and other part in the periphery of water inlet 1.
In addition, among Fig. 2, below cavity 6, between the cavity 1a of cavity 6 and water inlet 1, be provided with cavity 9, and the axis quadrature of the axis of this cavity 9 and cavity 6 (simultaneously also with the axis quadrature of cavity 1a) and being positioned on the plane at cavity 6 and cavity 1a place.And, between cavity 9 and cavity 1a, being formed with stair-stepping transition face 9a, this transition face 9a is ringwise plane, and the axis normal of the plane at its place and cavity 9.
As shown in Figure 2, cavity 9 roughly is tubular, and left end is the opening 96 with the external communications of valve B among its figure, this opening 96 be provided with threaded portion 91 interior week.Bolt 8 is threaded with 91 of this threaded portions, via the sealing gasket that is set on the bolt 8 this opening 96 is sealed.At this moment, this cavity 9 and the opening 96 whole passages that form for filtration members discrepancy.
In addition, in cavity, be provided with filtration members 90, and between filtration members 90 and bolt 8, be provided with cramp bar 2.The axial approximate mid-section of this cramp bar 2 is provided with annular recess 21.In use, can on annular recess 21, be arranged with sealing ring 22.Thus, tighting a bolt 8 o'clock, filtration members 90 is fixed in the cavity 9 by cramp bar 2.
As shown in Figure 4, filtration members 90 is an end the cylindric of the end.The outer peripheral face upper edge generatrix direction of filtration members 90 is provided with reinforcement 92.In the present embodiment, be provided with four reinforcements 92 altogether, but the quantity of reinforcement 93 is not particularly limited, also can be provided with more or less.Be provided with support foot 93 in end face edge of filtration members 90 and reinforcement 92 corresponding positions.Here, the end face that will have support foot 93 is called the bottom, and the end relative with support foot 93 is called the top.In addition, be provided with the filter screen that allows water to pass through in the inboard and the bottom surface of reinforcement 92, here, filter screen is to be the columniform parts in single end, can put into from filtration members 90 tip side integral body.And this filter screen is by the stacked structure that forms of multistorey strainer mesh sheet, and from the inboard of filtration members 90 to the outside, mesh diminishes gradually.
The set-up mode of this filter screen is not particularly limited in addition, it also can use the sub-filter screen of split, promptly, between two adjacent reinforcements, be provided with a sub-filter screen, that is to say that what sub-filter screens what reinforcements are provided with between reinforcement, also be provided with a sub-filter screen simultaneously in the bottom of filtration members.Can adopt the mode of multiple prior art about the set-up mode of this sub-filter screen, for example, sub-filter screen is located at the outside of reinforcement, is engaging a strengthening part in the outside of reinforcement then, all adopt identical structure on each reinforcement, can finish the installation of sub-filter screen.
In addition, be not particularly limited, can also use the structure of individual layer for the structure of filter screen, or the structure of other form.
In addition, support foot 93 is used for and above-mentioned cramp bar 2 butts, comes thus with cramp bar 2 supporting support foots 93.Certainly, also such support foot 93 can be set, and make this bottom surface portions directly form the bearing surface of a ring-type, and on the ring-type bearing surface, have a plurality of limbers.
Below, the mounting means of this filtration fraction is illustrated.At first, in cavity 9, put into cylindrical filter 90 from opening 96, at this moment, the support foot 93 that need guarantee filtration members 90 outwardly, the top of filtration members 90 and above-mentioned transition face 9a butt.Then, the cramp bar 2 that is arranged with sealing ring 22 is filled in the cavity 9, the bolt 8 that will be with sealing gasket (not shown) at last is screwed into cavity 9.At this moment, utilize sealing ring 22 and sealing gasket to carry out dual-seal, so just reduced and poorly sealed possibility occurs.
After installation, filtration members 90 allows water to enter filtration members from the top, from outer peripheral face and the underrun that filter screen is installed, and the space inflow cavity 6 of 9 of part 90 and cavitys after filtration then.Thus, compare with situation of only filtering by the filtration members of a circle or other shape of the prior art, the employed cylindric filtration members 90 of the utility model has strengthened the water flowing effect.Like this, can reduce and adhere to dirt on the filter screen because of filtration members and cause the valve body possibility of jamming.The current after filtration that enter cavity 6 can pass through check valve 11, and delivery port 4 enters water heater liner and heats.In addition, also can be when mixing valve to be opened, current flow into mixing valve through delivery port 5, mix with the hot water that flows out from water heater.Flowing into the cold water that mixes water valve and water heater liner like this, all is the water source after filtering through the utility model connecting tube, has guaranteed the safety and the health of water heater.
In addition, because the utility model is provided with opening 96 in the position corresponding with filtration members of valve B.Thus, even if this connecting tube of the present utility model too much occurs stopping up because of dirt on the filter screen, as long as back out bolt 8, after taking out cramp bar 2, in valve B, take out filtration members, and after filtration members is cleaned up, put back in the valve B main body, put back to cramp bar 2, tight a bolt 8, can clear up obstruction.Compared to existing technology, valve connecting tube of the present utility model does not need the valve connecting tube is pulled down, and thus, has reduced the labour intensity of safeguarding.
In addition, present embodiment has used bolt 8 to be threaded with 91 of the threaded portions of cavity 9, and opening 96 is sealed.But be not limited to this, above-mentioned threaded portion also can be arranged on the external screw thread of valve B outer surface, is connected with external screw thread by the nut that has sealing gasket then, to reach the sealing to opening 96.
In addition, being direct butt between the bolt 8 of present embodiment and the cramp bar 2, but being not limited to this, also can be provided with spring pad between bolt 8 and cramp bar 2.By this spring pad, filtration members 90 is loaded always, the transition face 9a butt by water inlet 1 of end face and cavity 9 by side direction in cavity 9.
In addition, present embodiment has used a cramp bar 2, but is not limited to this, also can use a plurality of cramp bars, and utilizes a plurality of cramp bars to regulate the degree of supporting.
In addition, the axis BX almost parallel of the axis X of the water inlet 1 in the present embodiment and valve B also staggers with it, but is not limited to this, and the axis X of water inlet 1 also can be roughly angled with the axis of valve B.This is external when angled, and this angle is not specially limited yet.
In addition, the axis that the axis of the delivery port 5 in the present embodiment and delivery port 4, water inlet are 1 is not in one plane, and be orthogonal state on the space, but be not limited to this, the axis of delivery port 5 also can with the axis of delivery port 4, water inlet 1 in one plane, perhaps also can out of plumb, and only be staggered.
In addition, delivery port 4 places of present embodiment are provided with check valve and delivery port 5 places are not provided with check valve, but are not limited to this, and delivery port 5 places also can be provided with check valve.
In addition, the filter screen that present embodiment uses is columned parts, but is not limited to this, and it also can be the prism-shaped or the parts of pyramid-shaped.
In addition, the utility model is that example is illustrated with the water inlet tube of water heater road with valve, but is not limited to this, and this valve connecting tube also can use on other hot water cold water pipeline.
Claims (10)
1. the connecting tube that is used for water heater comprises valve body (B), is arranged at valve body (B) inner core assembly and filtration members (90), it is characterized in that a side of filtration members (90) is provided with the passage by dismountable securing member sealing.
2. connecting tube as claimed in claim 1 is characterized in that, described valve body is provided with water inlet (1) and at least one delivery port, and described filtration members is arranged between water inlet and the delivery port.
3. connecting tube as claimed in claim 1 or 2 is characterized in that, described filtration members is cylindric filtration members.
4. connecting tube as claimed in claim 3 is characterized in that, described cylindrical netted filtering spare comprises filter screen and cylindrical frame, and the periphery upper edge generatrix direction of cylindrical frame is provided with reinforcement (92), and described filter screen is by this reinforcement supporting.
5. connecting tube as claimed in claim 4 is characterized in that described filter screen is made up of stacked filtering net plate, and to the outside, the mesh of filtering net plate little by little from big to small from the inboard of filtration members.
6. connecting tube as claimed in claim 4 is characterized in that, described filter screen by be configured between two adjacent reinforcements and bottom surface of filter screen on sub-filter screen form.
7. connecting tube as claimed in claim 2 is characterized in that, described securing member and described filtration members are arranged along the filtration members axial order, and described securing member is fixed on described filtration members in the valve body by screw thread.
8. connecting tube as claimed in claim 2 is characterized in that, described core assembly comprises the check valve (11) that is arranged at least one delivery port downstream.
9. connecting tube as claimed in claim 8 is characterized in that, described core assembly comprises that also is arranged on check valve (a 11) safety of downstream valve (3).
10. connecting tube as claimed in claim 8 or 9 is characterized in that, between described check valve (11) and the filtration members, has at least one can connect the delivery port (5) that mixes water valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203107580U CN201184698Y (en) | 2007-12-17 | 2007-12-17 | Connecting pipe fitting for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203107580U CN201184698Y (en) | 2007-12-17 | 2007-12-17 | Connecting pipe fitting for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184698Y true CN201184698Y (en) | 2009-01-21 |
Family
ID=40272437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203107580U Expired - Lifetime CN201184698Y (en) | 2007-12-17 | 2007-12-17 | Connecting pipe fitting for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184698Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422937A (en) * | 2015-11-16 | 2016-03-23 | 芜湖美的厨卫电器制造有限公司 | Safety valve, water heater and cleaning method for water heater |
| CN109630729A (en) * | 2019-01-18 | 2019-04-16 | 菲时特集团股份有限公司 | A kind of permanent flow valve |
-
2007
- 2007-12-17 CN CNU2007203107580U patent/CN201184698Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422937A (en) * | 2015-11-16 | 2016-03-23 | 芜湖美的厨卫电器制造有限公司 | Safety valve, water heater and cleaning method for water heater |
| CN109630729A (en) * | 2019-01-18 | 2019-04-16 | 菲时特集团股份有限公司 | A kind of permanent flow valve |
| CN109630729B (en) * | 2019-01-18 | 2024-04-02 | 菲时特集团股份有限公司 | Constant flow valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090121 |
|
| CX01 | Expiry of patent term |