CN207073952U - A kind of clamp-close type water heater backward-wind preventing device - Google Patents
A kind of clamp-close type water heater backward-wind preventing device Download PDFInfo
- Publication number
- CN207073952U CN207073952U CN201720663990.6U CN201720663990U CN207073952U CN 207073952 U CN207073952 U CN 207073952U CN 201720663990 U CN201720663990 U CN 201720663990U CN 207073952 U CN207073952 U CN 207073952U
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- China
- Prior art keywords
- airduct
- bead
- wind
- wind box
- water heater
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of clamp-close type water heater backward-wind preventing device, including bead, the first airduct, wind box and the second airduct, and insertion is connected successively from bottom to top for the bead, the first airduct, wind box and the second airduct；The bead is the flange plate in non-bolt hole, and annular groove is provided with the inner circle of bead；The lower end of first airduct is provided with annular lug, and annular lug is connected with the tube wall of the first airduct by spring, and annular lug is connected together with annular groove；The wind box inwall upper end is fixed with liner groove, and liner trench bottom is provided with circular hole, there is round bar insertion in circular hole, and transverse bar is vertically connected with round bar, and the top of the transverse bar is provided with the blend stop being fixed on the inwall of wind box both sides.The utility model is connected by designing annular lug with annular groove cooperation, and installation and removal are easy, are easy to maintenance and cleaning, and by designing liner groove and round bar, down-draught-proof effect is good, service life length, and fault rate is low.
Description
Technical field
A kind of backward-wind preventing device is the utility model is related to, specifically a kind of clamp-close type water heater backward-wind preventing device.
Background technology
With the development of the society, pot-type boiler frequency of use improves constantly, in zero degrees celsius water heater used below,
Prevent the cold wind of outdoor from pouring in down a chimney and making the water freezing inside water tank, cause water tank to rupture, can cause that floods occur in indoor and building.
In order to make consumer safety carefree enjoy hot water life convenient, fast, warm caused by water heater, combustion gas
A down-draught-proof joint is had at water heater smoke collecting tube to be installed, and this backward-wind preventing device is in order to avoid winter cold wind is by smoke pipe
Pour in down a chimney to inside machine, make machine internal watercourses icing bursting by freezing and designing prevents cold wind from pouring in down a chimney.
At present, used backward-wind preventing device, internal structure is complex, often because connecting portion gets rusty or entered
It is dirty, cause device to run, and also dismounting is cumbersome, also often because the bulk debris of outdoor and mouse etc. enter in pipeline,
Blinker is blocked, and corpse rots, and putrefactive odor is big, it is difficult to clears up, influences the quality of life of people.It is above-mentioned in order to solve
Problem, now provide a kind of clamp-close type water heater backward-wind preventing device.
Utility model content
The purpose of this utility model is to provide a kind of clamp-close type water heater backward-wind preventing device, by opening circle on memory slot
Hole and cooperation round bar are operated, and design annular groove and annular lug snap-fit, are solved pipeline and are often easily blocked
The problem of dead and dismounting is cumbersome.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of clamp-close type water heater backward-wind preventing device, including bead, the first airduct, wind box and the second airduct, the bead,
Insertion is connected successively from bottom to top for first airduct, wind box and the second airduct；
The bead is the flange plate in non-bolt hole, and bead lower end is welded on water heater air outlet, the internal diameter of bead with
The external diameter of first airduct matches, and annular groove is provided with the inner circle of bead；
The lower end of first airduct is provided with annular lug, and annular lug is connected with the tube wall of the first airduct by spring,
Annular lug is connected together with annular groove；
The wind box inwall upper end is fixed with liner groove, and the vertical wall of liner groove and wind box is into 30 ° of -45 ° of angles, liner
Trench bottom is provided with circular hole, there is round bar insertion in circular hole, and transverse bar is vertically connected with round bar, and the top of the transverse bar is provided with admittedly
The blend stop being scheduled on the inwall of wind box both sides.
Further, the tube wall of first airduct is hollow shell structure.
Further, the wind box is hollow square body structure, and the length and width degree of wind box is all higher than the first airduct and the second wind
The diameter of pipe.
Further, the second airduct lower end is fixed on the upper end of wind box, and the second airduct is 90 ° of bend pipes, the second airduct
VERTICAL TUBE located at interior, the horizontal tube of the second airduct is located at outdoor.
Further, it is provided with screen pack in second airduct.
The beneficial effects of the utility model：
1st, it is connected by designing annular lug with annular groove cooperation, has and mount and dismount the effect of easy, be easy to safeguard
Cleaning.
2nd, by designing liner groove and round bar, down-draught-proof effect is good, service life length, and fault rate is low.
3rd, by designing screen pack, make to keep cleaning in pipeline and water heater, avoiding often has rancid phenomenon in pipeline
Generation.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is a kind of clamp-close type water heater backward-wind preventing device structural representation of the utility model.
Fig. 2 is Fig. 1 schematic cross-sectional view.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, a kind of clamp-close type water heater backward-wind preventing device, including bead 1, the first airduct 2, wind box 3 and
Two airducts 4, insertion is connected successively from bottom to top for bead 1, the first airduct 2, wind box 3 and the second airduct 4.
Wherein, bead 1 is the flange plate in non-bolt hole, and the lower end of bead 1 is welded on water heater air outlet, bead 1 it is interior
Footpath and the external diameter of the first airduct 2 match, and annular groove 101 is provided with the inner circle of bead 1.
Wherein, the tube wall of the first airduct 2 is hollow shell structure, and the upper end and the lower end of wind box 3 of the first airduct 2 are weldingly connected,
The lower end of first airduct 2 is provided with annular lug 201, and annular lug 201 is connected with the tube wall of the first airduct 2 by spring 202, ring
Shape projection 201 is connected together with annular groove 101, and the height of annular groove 101 is more than the height of annular lug 201.
Wherein, wind box 3 is hollow square body structure, and the length and width degree of wind box 3 is all higher than the first airduct 2 and the second airduct 4
Diameter, is provided with liner groove 301 in wind box 3, the upper end of liner groove 301 is fixed on wind box 3, and with the vertical wall of wind box 3
Into 30 ° of -45 ° of angles, the bottom of liner groove 301 is provided with circular hole 302, has round bar 303 to insert in circular hole 302, vertically connects on round bar 303
Transverse bar 304 is connected to, the diameter of circular hole 302 is more than the diameter of round bar 303, and the diameter of circular hole 302 is less than the straight of transverse bar 304
Footpath, round bar 303 can be freely up and down movable in circular hole 302, and transverse bar 304 can avoid round bar 303 from falling under gravity
In water heater.
The top of transverse bar 304 is provided with blend stop 305, and blend stop 305 is fixed on the both sides inwall of wind box 3, and blend stop 305 acts on
Round bar 303 can be blocked and transverse bar 304 is not blown into the second airduct 4.
Wherein, the lower end of the second airduct 4 is fixed on the upper end of wind box 3, and the second airduct 4 is 90 ° of bend pipes, and the second airduct 4 erects
Straight tube is provided with screen pack 401 located at interior, the horizontal tube of the second airduct 4 in outdoor, the second airduct 4, and its role is to keep away
Exempt from the debris of outdoor.Mouse or insect etc. are entered in pipe.
A kind of clamp-close type water heater backward-wind preventing device specific works mode of the utility model is as follows：
1st, bead 1 is welded at water heater air outlet, pins the lower end of the first airduct 2, annular lug 201 is embedded into
In annular groove 101, in the presence of spring 202, the first airduct 2 is fixed in bead 1, likewise, pinning the first airduct 2
Lower end, the first airduct 2 is disassembled from bead 1, dismount very simple, and good sealing effect.
2nd, when water heater is opened, under the action of the forces of the wind, round bar 303 is blown afloat, blend stop 305 blocks transverse pipe 304, prevents
Only round bar 303 is blown outside pipe.
3rd, when water heater disables, round bar 303 under gravity, is dropped in circular hole 302, and transverse pipe 304 seals up
Circular hole 302, has down-draught-proof effect, and screen pack 401 can prevent mouse, big debris and insect from entering in pipe.
The utility model is connected by designing annular lug 201 with the cooperation of annular groove 101, has installation and removal simplicity
Effect, it is easy to maintenance and cleaning, by designing liner groove 301 and round bar 303, down-draught-proof effect is good, service life length, fault rate
It is low, by designing screen pack, make to keep cleaning in pipeline and water heater, avoid the generation for often having rancid phenomenon in pipeline.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member is made various modifications or supplement to described specific embodiment or substituted using similar mode, without departing from reality
With new structure or surmount scope defined in the claims, the scope of protection of the utility model all should be belonged to.
Claims (5)
- A kind of 1. clamp-close type water heater backward-wind preventing device, it is characterised in that：Including bead (1), the first airduct (2), wind box (3) and Second airduct (4), insertion is connected successively from bottom to top for the bead (1), the first airduct (2), wind box (3) and the second airduct (4)；The bead (1) is the flange plate in non-bolt hole, and bead (1) lower end is welded on water heater air outlet, bead (1) it is interior The external diameter in footpath and the first airduct (2) matches, and annular groove (101) is provided with the inner circle of bead (1)；The lower end of first airduct (2) is provided with annular lug (201), and the tube wall of annular lug (201) and the first airduct (2) leads to Spring (202) connection is crossed, annular lug (201) is connected together with annular groove (101)；Wind box (3) the inwall upper end is fixed with liner groove (301), the vertical wall of liner groove (301) and wind box (3) into 30 °- 45 ° of angles, liner groove (301) bottom are provided with circular hole (302), have round bar (303) insertion in circular hole (302), are hung down on round bar (303) Direct-connected to be connected to transverse bar (304), the top of the transverse bar (304) is provided with the blend stop being fixed on the inwall of wind box (3) both sides (305)。
- A kind of 2. clamp-close type water heater backward-wind preventing device according to claim 1, it is characterised in that：First airduct (2) tube wall is hollow shell structure.
- A kind of 3. clamp-close type water heater backward-wind preventing device according to claim 1, it is characterised in that：The wind box (3) is Hollow square body structure, the length and width degree of wind box (3) are all higher than the diameter of the first airduct (2) and the second airduct (4).
- A kind of 4. clamp-close type water heater backward-wind preventing device according to claim 1, it is characterised in that：Second airduct (4) lower end is fixed on the upper end of wind box (3), and the second airduct (4) is 90 ° of bend pipes, and the VERTICAL TUBE of the second airduct (4) is located at interior, The horizontal tube of second airduct (4) is located at outdoor.
- A kind of 5. clamp-close type water heater backward-wind preventing device according to claim 1, it is characterised in that：Second airduct (4) screen pack (401) is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663990.6U CN207073952U (en) | 2017-06-08 | 2017-06-08 | A kind of clamp-close type water heater backward-wind preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663990.6U CN207073952U (en) | 2017-06-08 | 2017-06-08 | A kind of clamp-close type water heater backward-wind preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073952U true CN207073952U (en) | 2018-03-06 |
Family
ID=61512223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720663990.6U Expired - Fee Related CN207073952U (en) | 2017-06-08 | 2017-06-08 | A kind of clamp-close type water heater backward-wind preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207073952U (en) |
-
2017
- 2017-06-08 CN CN201720663990.6U patent/CN207073952U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180306 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |