CN207073609U - A kind of sealed backward-wind preventing device being easily installed - Google Patents
A kind of sealed backward-wind preventing device being easily installed Download PDFInfo
- Publication number
- CN207073609U CN207073609U CN201720672169.0U CN201720672169U CN207073609U CN 207073609 U CN207073609 U CN 207073609U CN 201720672169 U CN201720672169 U CN 201720672169U CN 207073609 U CN207073609 U CN 207073609U
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- CN
- China
- Prior art keywords
- blinker
- pipe joint
- pipe
- fixed
- connecting tube
- Prior art date
- 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 sealed backward-wind preventing device being easily installed, and includes pipe joint, blast pipe, discharge pipe and blinker, and the blast pipe is fixed on pipe joint lower end, and discharge pipe is fixed on pipe joint upper end, and blinker is fixed on inside pipe joint；Active card, the turned-out formation flange in blast pipe upper end are hinged with the inner tubal wall of the pipe joint, flange is connected with active card；The blinker is cylinder, blinker by be half arc the first blinker and the second blinker form, screw rod is provided with the connecting tube, screw rod passes through the both sides of pipe joint and is fixed by nut；The connecting tube mirror image both sides are arranged with the boss for the downside for being fixed on blinker.Utility model design structure is simple, the design of flange and active card, and with dress, it is very easy to dismantle; it is convenient to clean repairing, meanwhile, the design of connecting tube and screw rod, add sealing; it is preferably antifreeze in winter protection equipment, the design of boss, make down-draught-proof performance more perfect.
Description
Technical field
A kind of backward-wind preventing device is the utility model is related to, specifically a kind of sealed backward-wind preventing device being easily installed.
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, the backward-wind preventing device of city head is complicated, cumbersome for installation, can be because part gets rusty or some debris cause
Down-draught-proof is ineffective, is not easy to periodic cleaning or maintenance, and poor sealing performance, and in the north of cold, sealing effectiveness is poor, also can
Water tank is caused to rupture, it is above-mentioned in order to solve the problems, such as, a kind of sealed backward-wind preventing device being easily installed now is provided.
Utility model content
The purpose of this utility model is to provide a kind of sealed backward-wind preventing device being easily installed, by blinker
Connecting tube is designed, screw rod is connected through and is fixed, be flexibly connected by designing between flange and active card, solve down-draught-proof
Device is cumbersome for installation and the problem of poor sealing performance.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of sealed backward-wind preventing device being easily installed, includes pipe joint, blast pipe, discharge pipe and blinker, it is described enter
Airduct is fixed on pipe joint lower end, and discharge pipe is fixed on pipe joint upper end, and blinker is fixed on inside pipe joint；
Active card, the turned-out formation flange in blast pipe upper end, flange and activity are hinged with the inner tubal wall of the pipe joint
Card connection；
The blinker is cylinder, blinker by be half arc the first blinker and the second blinker form,
The rectangle sides of one blinker are fixed with three connecting tubes, and two connecting tubes are fixed with the rectangle sides of the second blinker, the
Alternately it is connected by rubber sheet gasket between connecting tube on one blinker and the second blinker；
Screw rod is provided with the connecting tube, screw rod is fixed through the both sides of pipe joint and by nut；
The connecting tube mirror image both sides are arranged with the boss for the downside for being fixed on blinker.
Further, the pipe joint is that outside is that cuboid, inside are circular tubular constructions.
Further, pipe joint upper end pipe thickness is 10mm, and car has internal thread, pipe joint lower end pipe thickness
For 5mm, the section of pipe joint is convex form.
Further, between the active card and pipe joint angle in 0 ° of -60 ° of scope.
Further, the discharge pipe, which is got on the bus, external screw thread, and external screw thread matches with the internal thread of pipe joint.
The beneficial effects of the utility model：Utility model design structure is simple, the design of flange and active card, with
Dress, dismounting is very easy, is convenient to clean repairing, meanwhile, the design of connecting tube and screw rod, sealing is added, protected in winter
Equipment is preferably antifreeze, the design of boss, makes down-draught-proof performance more perfect.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is a kind of sealed backward-wind preventing device structural representation being easily installed of the utility model.
Fig. 2 is this Fig. 1 schematic cross-sectional views.
Fig. 3 is blinker structural representation in Fig. 1.
Fig. 4 is Fig. 1 front 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 Figure 1-4, a kind of sealed backward-wind preventing device being easily installed, including pipe joint 1, blast pipe 2, discharge pipe
3 and blinker 4, blast pipe 2 be fixed on the lower end of pipe joint 1, discharge pipe 3 is fixed on the upper end of pipe joint 1, and the internal diameter of pipe joint 1 is big
In blast pipe 2 and the external diameter of discharge pipe 3, blinker 4 is fixed in pipe joint 1, and its diameter is equal to the internal diameter of pipe joint 1.
Wherein, pipe joint 1 is that outside is that cuboid, inside are circular tubular constructions, and its role is to be easy to make when mounted
Power, it is not easy to skid, the upper end pipe thickness of pipe joint 1 is 10mm, and car has internal thread, and the lower end pipe thickness of pipe joint 1 is 5mm,
The section of pipe joint 1 is convex form, active card 101 is hinged with the inner tubal wall of pipe joint 1, between active card 101 and pipe joint 1
Rotational angle is in 0 ° of -60 ° of scope.
Wherein, the upper end of blast pipe 2 is turned-out forms flange 201, and flange 201 is connected with active card 101, when blast pipe 2 is inserted
When entering in pipe joint 1, active card 101 blocks flange 201, and blast pipe 2 and pipe joint 1 are fixed together, and installs non-with dismounting
It is often simple.
Wherein, discharge pipe 3, which is got on the bus, external screw thread 301, and external screw thread 301 is matched with the internal thread of pipe joint 1, by air-out
Pipe 3 is fixed together with pipe joint 1.
Wherein, blinker 4 is cylinder, blinker 4 by be half arc the first blinker 401 and the second blinker
402 compositions, the rectangle sides of the first blinker 401 are fixed with three connecting tubes 403, in the rectangle sides of the second blinker 402
It is fixed with two connecting tubes 403, the spacing on the first blinker 401 between adjacent connecting tube 403 is equal to connecting tube 403
Length, the spacing on the second blinker 402 between adjacent connecting tube 403 are equal to the length of connecting tube 403, the first blinker
Alternately it is connected by rubber sheet gasket between 401 and the second connecting tube 403 on blinker.
Screw rod 5 is provided with connecting tube 403, screw rod 5 is fixed through the both sides of pipe joint 1 and by nut, connecting tube 403
Internal diameter is more than the external diameter of screw rod 5, according to the actual requirements, to twist nut, the frictional force that control blinker 4 rotates, to control wind
The size of amount, operate simple and convenient.
The mirror image both sides of connecting tube 403 are arranged with boss 404, and boss 404 is each attached to the downside of blinker 4, passes through boss
404 interactions, prevent the first blinker 401 and the second blinker 402 from excessively rotating down, meanwhile, under the effect of calm power,
Increase the weight of the first blinker 401 and the second blinker 402, the first blinker 401 and the second blinker 402 quick 180 °
Tile, inside sealed fitting 1, down-draught-proof is better.
The specific installation method of sealed backward-wind preventing device that the utility model is a kind of to be easily installed is as follows：
Step 1：The pore of connecting tube 403 of first blinker 401 and the second blinker 402 is mutually aligned, and connected
Put pad between pipe 403 well, then the first blinker 401 and the second blinker 402 are put into pipe joint 1, and pore is aligned
The perforation of screw rod 5 on pipe joint 1.
Step 2：Screw rod 5 is passed through into pore, nut is screwed on screw rod 5, the first blinker 401 and the second blinker 402
It is fixed on the inside of pipe joint 1.
Step 3：Discharge pipe 3 is screwed into the upper end of pipe joint 1.
Step 4：Blast pipe 2 is inserted in the lower end of pipe joint 1, active card 101 is blocked flange 201, fixed blast pipe
2 in pipe joint 1.
Utility model design structure is simple, the design of flange 201 and active card 101, and with dress, dismounting is very easy,
It is convenient to clean repairing, meanwhile, the design of connecting tube 403 and screw rod 5, sealing is added, preferably prevented in winter protection equipment
Freeze, the design of boss, make down-draught-proof performance more perfect.
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)
1. a kind of sealed backward-wind preventing device being easily installed, it is characterised in that include pipe joint (1), blast pipe (2), discharge pipe
(3) and blinker (4), the blast pipe (2) are fixed on pipe joint (1) lower end, and discharge pipe (3) is fixed on pipe joint (1) upper end,
It is internal that blinker (4) is fixed on pipe joint (1)；
Active card (101), the turned-out formation flange in blast pipe (2) upper end are hinged with the inner tubal wall of the pipe joint (1)
(201), flange (201) is connected with active card (101)；
The blinker (4) is cylinder, blinker (4) by be half arc the first blinker (401) and the second blinker
(402) form, the rectangle sides of the first blinker (401) are fixed with the connecting tube (403) of three linear arrays, and second keeps out the wind
The connecting tube (403) of two linear arrays, the first blinker (401) and second are fixed with the rectangle sides of piece (402)
Alternately it is connected by rubber sheet gasket between connecting tube (403) on blinker；
Screw rod (5) is provided with the connecting tube (403), screw rod (5) is consolidated through the both sides of pipe joint (1) and by nut
It is fixed；
Connecting tube (403) the mirror image both sides are arranged with the boss (404) for the downside for being fixed on blinker (4).
A kind of 2. sealed backward-wind preventing device being easily installed according to claim 1, it is characterised in that the pipe joint
(1) it is that cuboid, inside are circular tubular constructions for outside.
A kind of 3. sealed backward-wind preventing device being easily installed according to claim 1, it is characterised in that the pipe joint
(1) upper end pipe thickness is 10mm, and car has an internal thread, and pipe joint (1) lower end pipe thickness is 5mm, the section of pipe joint (1)
For convex form.
A kind of 4. sealed backward-wind preventing device being easily installed according to claim 1, it is characterised in that the active card
(101) between pipe joint (1) angle in 0 ° of -60 ° of scope.
A kind of 5. sealed backward-wind preventing device being easily installed according to claim 1, it is characterised in that the discharge pipe
(3) getting on the bus has external screw thread (301), and external screw thread (301) matches with the internal thread of pipe joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672169.0U CN207073609U (en) | 2017-06-08 | 2017-06-08 | A kind of sealed backward-wind preventing device being easily installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672169.0U CN207073609U (en) | 2017-06-08 | 2017-06-08 | A kind of sealed backward-wind preventing device being easily installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073609U true CN207073609U (en) | 2018-03-06 |
Family
ID=61513713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720672169.0U Expired - Fee Related CN207073609U (en) | 2017-06-08 | 2017-06-08 | A kind of sealed backward-wind preventing device being easily installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207073609U (en) |
-
2017
- 2017-06-08 CN CN201720672169.0U patent/CN207073609U/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 |