CN101280854B - Dual gas valve adapted for its connection to a barbecue - Google Patents
Dual gas valve adapted for its connection to a barbecue Download PDFInfo
- Publication number
- CN101280854B CN101280854B CN2008100869562A CN200810086956A CN101280854B CN 101280854 B CN101280854 B CN 101280854B CN 2008100869562 A CN2008100869562 A CN 2008100869562A CN 200810086956 A CN200810086956 A CN 200810086956A CN 101280854 B CN101280854 B CN 101280854B
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- China
- Prior art keywords
- section
- screw thread
- distributor
- air valve
- truncated cone
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- Expired - Fee Related
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- Multiple-Way Valves (AREA)
- Feeding And Controlling Fuel (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a double air valve suitable for connecting to an barbeque grill, the double screw thread air valve comprises a distributor provided with an air inlet pipe and a steering pipe connected therewith, the steering pipe including two branches for distributing gas, each of which consists of a first part with screw threads inside and a substantially truncated cone-shaped second part; and two control valves for connecting to a burner, each of which includes a main body and a connecting pipe fixed to a corresponding branch of the steering pipe, wherein the connecting pipe consists of a cylindrical first segment with screw threads outside and a substantially truncated cone-shaped second segment. The screw threads of the first segment are connected to the first part, because of the grooves axially disposed on the surface of the second segment, the second segment is compressed when moving along the second part utile the control valves are located correctly relative to the distributor.
Description
Technical field
The present invention relates to be suitable for being connected to the dual valve of oven, be specifically related to two control valves fixing of dual valve to distributor.
Background technique
Be known that by compound air valve and operate the outdoor gas oven that this compound air valve comprises: the pair of control valve, this is to the gas passageway of control valve control towards each burner that is arranged in oven; And distributor, this distributor links to each other towards the feed tube that described control valve turns to making gas.Traditional distributor comprises a plurality of branches, and there is screw thread in these branches to be connected to the control corresponding valve inside and outside.
Such problem that presents that is threaded is the correct location of two control valves with respect to distributor.Be known that described control valve (more specifically being the edge of described control valve) must be inserted in the housing on the plate that is arranged in oven, they join controlling rod at this place, are necessary to make described edge to locate with one heart with respect to described housing.Therefore, be necessary correctly to aim at described control valve, and always do not realize this point easily by being threaded.Known being threaded that is used for control valve is fixed to distributor is included in the truncated cone screw thread that moves in the tubular screw thread of distributor, and described truncated cone screw thread is compressed between its moving period gradually.
In addition, such being threaded because the compression that is subjected to of screw member and in the manufacturing of air valve, limited the use of material to a certain extent.Therefore, for example be known that in this screw thread and use brass, rather than aluminium, because this material of aluminium can not bear sizable compression, thereby make screw thread rupture easily.
US 6,199, and 589B1 discloses a kind of dual valve, and this dual valve comprises the pair of control valve and is connected to the distributor of described control valve.Distributor comprises suction port with central axial line and turns to branch with respect to first and second of described central axial line symmetry, each control valve includes the main body with tubular extension part, and described extension part outwards extends continuously and is contained in respectively first and second branches of distributor from described main body.For described extension part is fixed to distributor, respectively turn to branch all to have smooth end towards branch's interior curve, the tubular extension part of each control valve comprises the par, in case make when the par is fixed by interior curve, has just prevented the control valve rotation.In other embodiments, in order to improve the sealing of connection, also set up O-ring packing between the tubular extension part in inserting branch.
Summary of the invention
The purpose of this invention is to provide the compound air valve that is suitable for being connected to oven that limits as claim.
This compound air valve comprises: distributor, this distributor have suction tude and are connected to the steering tube of described suction tude, and this steering tube comprises two branches for distribution of gas; And two control valves that are suitable for being connected to burner, the connecting tube that each control valve includes main body and extends continuously from the mode that the side surface of described main body stretches out with self, the connecting tube of each control valve is fixed to each respective branch of described steering tube.
Described connecting tube have with first section of externally threaded tubular and with described first section coaxial and adjacent be truncated cone-shaped second section substantially, described steering tube comprises tapped first portion and coaxial and adjacent with the described first portion basic truncated cone-shaped second portion that is in each branch, make described first section to be threaded in the described first portion, and owing to the groove that is disposed axially on the described second section truncation conical surface, described second section is being compressed when described second portion moves, correctly locate with respect to described distributor up to each control valve, described groove absorbs described distortion.
This fixed system that is combined with seal arrangement provides and has been tightly connected, and prevent that each control valve is with respect to the incorrect location of distributor, this is because described second portion plays the effect of the retainer that is used for described location, and different with truncated cone-shaped brass screw thread well known in the prior art, truncated cone-shaped brass screw thread does not have the retainer of arrangement constraints control valve rotation.In case the unit is assembled, fixed system of the present invention prevents that also described control valve from rotating on distributor, before control valve was positioned at desired location, what deform was second section rather than the screw thread not having screw thread of connecting tube, thereby has prevented may rupturing of screw thread.
To know these and other advantage of the present invention and feature by accompanying drawing and to detailed description of the present invention.
Description of drawings
Fig. 1 is the exploded view according to the mode of execution of dual valve of the present invention.
Fig. 2 is the graphics after the dual valve of Fig. 1 is assembled.
Fig. 3 is the side view of inserting the distributor in the dual valve of Fig. 1.
Fig. 4 is the sectional view of the distributor of Fig. 3 based on the IV-IV line.
Fig. 5 is the graphics of inserting one of two air valves in the dual valve of Fig. 1.
Fig. 6 is the side view of inserting one of two air valves in the dual valve of Fig. 1.
Fig. 7 is a detailed section view, and the connecting tube that shows control valve is threaded onto in the internal distribution device and makes the end and the described distributor position contacting of connecting tube, and connecting tube and distributor both insert in the dual valve of Fig. 1.
Fig. 8 is a detailed section view, shows the final position of connecting tube in distributor of control valve, and connecting tube and distributor both insert in the dual valve of Fig. 1.
Fig. 9 is a detailed section view, shows in another mode of execution of the present invention, and the connecting tube of control valve is threaded onto in the internal distribution device and makes the end and the described distributor position contacting of connecting tube.
Figure 10 is a detailed section view, show in another mode of execution of the present invention, the connecting tube of control valve in distributor the final position.
Embodiment
Fig. 1 and Fig. 2 show the dual valve that is applicable to not shown oven, and this dual valve comprises distributor 2, and this distributor 2 distributes air inlet Q ' towards the control valve 3 and 4 that is arranged on its both sides.
Distributor 2 (as Fig. 3 and Fig. 4 in detail shown in) make by the lightweight wrought material, preferably made of aluminum, and preferably obtain this distributor by stamping process.Described distributor 2 has suction tude 2a and is connected to the steering tube 2b of the basic tubular of described suction tude 2a, and this steering tube 2b distributes air inlet Q ' by 2d of its branch and 2e, and described 2d of branch and 2e are coaxial.
Be fixed in control valve 3 and the 4 mirror images of each other symmetries of each respective branch 2d and the 2e of steering tube 2b, therefore below will to they one of be described, described description is effective for corresponding mirror area.
The control valve 3 shown in the integral body comprises among Fig. 1 and Fig. 2: valve edge 5, and it is suitable for being fixed to successively not shown controlling rod; Main body 6 with connecting tube 22, this connecting tube are fixed to the end of the 2d of branch of steering tube 2b; Regulating element 7, it joins valve edge 5 to and inserts in the described main body 6; And fixed support 8, it is connected to described main body 6 with valve edge 5.
Described fixed support 8 has: have the substrate 8a of ear, described ear is threaded onto main body 6; Cylindrical extension 8b, extend vertically on its one of them surface from substrate 8a, and hold valve edge 5 in inside; And periphery 8c, its apparent surface from substrate 8a extends vertically and is contained in the cavity 31 of main body 6.Valve edge 5 is furnished with end, the first smooth radial fins 5a and based on the second radial fins 5b of the axis longitudinal extension at described valve edge 5, thereby they prevent that against substrate 8a valve edge 5 breaks away from respect to valve body 6.
Regulating element 7 comprises the basic hollow master unit 7a of truncated cone shape that is, this master unit comprises that on side surface through hole 7b makes gas Q " can lead to burner, must regulating element 7 rotations be overlapped with the connecting tube 22 of main body 6 up to described through hole 7b by means of bar.Described regulating element 7 also comprises the cylindrical body 7c that extends vertically from master unit 7a, in cylindrical body 7c, accommodate spring 9, the other end of spring 9 is against substrate 8a, and described cylindrical body 7c comprises a pair of coaxial otch 7d, holds the radial fins 5a and the 5b at valve edge 5 in described otch.
In addition, revolution main body 6 (at length illustrating in Fig. 6 at Fig. 3) has steam outlet pipe 30 and supplies to hold the cavity 31 of truncated cone-shaped regulating element 7, steam outlet pipe 30 has the second portion 30b that axis coaxial with main body 6 and that be connected to the 30a of first portion of described cavity 31 and axis and the 30a of first portion forms several angle, and there is screw thread described second portion 30b inside to be fixed to burner.
In addition, the rotational axis of connecting tube 22 is basically perpendicular to the rotational axis of described main body 6, and have pitch r be 1mm threaded first section 23 and with described first section 23 coaxial and adjacent second section 24.Have basic truncated cone shape for second section 24, this truncated cone shape is by less than the free-ended diameter D24 of the diameter of thread, limit this second section 24 axial groove 25 that comprises even layout more than or equal to the length L 24 of pitch and with respect to the angle B of rotational axis.At second section 24 by compression initial position not, angle B is less than the angle A of the second portion 17 of steering tube 2b.
By this way, in the time of on respective branch 2d that control valve 3 and 4 is assemblied in distributor 2 and 2e, connecting tube 22 manually, can be out of shape and be threaded onto position shown in Figure 7 easily, contacts with the second portion 17 of steering tube 2b at second section 24 free end of this position connecting tube 22.In described position, second section 24 the other end keeps equaling pitch r apart from the distance of the bottom of the threaded first portion 16 of steering tube 2b.
In order to ensure the connecting tube 22 of dual valve assembly correctly locate with respect to distributor 2 and thereby guarantee that control valve 3 correctly locate (as shown in Figure 2) with respect to distributor 2, must finish final omnidistance a rotation of the screw thread of described connecting tube 22 from described position.The described final rotation of screw thread needs essential manual force to continue to advance in steering tube 2b to guarantee connecting tube 22, truncated cone-shaped for this reason second section 24 must be compressed when truncated cone-shaped second portion 17 moves at it, make described second section 24 angle B consistent with the angle A of second portion 17.
Should notice that described second section 24 side surface remains unchanged, owing to the groove of evenly arranging 25 obtains described compression, extremely shown in Figure 8 as Fig. 5, therefore according to second section 24 and the truncated cone shape of second portion 17 and height and depth dimensions and the requirement that pitch r determines groove.Thus, truncated cone-shaped second section 24 rather than threaded first section 23 by connecting tube 22 absorbs the distortion that described connecting tube 22 is taken place.
At last, be airtight in order to ensure being threaded, adopt the adhesive seal anti-leaking method that uses in the known thread element.
In Fig. 9 and another embodiment of the present invention shown in Figure 10, the second section 24 truncated cone-shaped angle B of connecting tube 22 equals the angle A of the second portion 17 of steering tube 2b.Like this, in the time of on respective branch 2d that control valve 3 and 4 is assemblied in distributor 2 and 2e, connecting tube 22 manually, can be out of shape and be threaded onto position shown in Figure 9 easily, length at this position connecting tube 22 is second section 24 endoporus 29 that passes the second portion 17 of steering tube 2b and enter described steering tube 2b of L24, up to described section 24 be that the second portion 17 of L17 contacts with the length of steering tube 2b, described length L 17 is less than length L 24.In this position, second section 24 the end near first section 23 keeps equaling pitch r apart from the distance of the bottom of the threaded first portion 16 of steering tube 2b.
In order to ensure connecting tube 22 in the dual valve assembly correctly locate with respect to distributor 2 and thereby guarantee that control valve 3 correctly locate (as shown in Figure 2) with respect to distributor 2, must finish final omnidistance a rotation of the screw thread of described connecting tube 22 from described position.The described final rotation of screw thread needs essential manual force to continue to advance in steering tube 2b to guarantee connecting tube 22, and for this reason because groove 25, truncated cone-shaped second section 24 must be compressed when truncated cone-shaped second portion 17 moves at it.
Claims (8)
1. compound screw thread air valve that is suitable for being connected to oven, this compound screw thread air valve comprises: distributor (2), this distributor has suction tude (2a) and is connected to the steering tube (2b) of described suction tude (2a), this steering tube (2b) comprise for two branches of distribution of gas (2d, 2e); And two control valves (3 that are suitable for being connected to burner, 4), each control valve (3,4) connecting tube (22) that includes main body (6) and extend continuously from the mode that the side surface of described main body (6) stretches out with self, each control valve (3,4) connecting tube (22) is fixed to each respective branch (2d of described steering tube (2b), 2e), it is characterized in that, described connecting tube (22) has with first section (23) of externally threaded tubular and coaxial and adjacent with described first section (23) basic second section truncated cone-shaped (24) that are, these second section (24) comprise the groove (25) on the truncation conical surface that is disposed axially in these second section (24), and described steering tube (2b) is at each (2d of branch, comprise tapped first portion (16) and coaxial and adjacent with described first portion (16) the basic truncated cone-shaped second portion (17) that is 2e), when described first section (23) are threaded in the described first portion (16), described second section (24) are compressed by the described second portion (17) of described steering tube (2b) owing to described groove (25) when contacting the back along described second portion (17) continuation motion with described second portion (17), correctly locate with respect to described distributor (2) up to each control valve (3,4).
2. compound screw thread air valve according to claim 1, wherein, described second section length (L24) is more than or equal to the pitch (r) of described first section (23).
3. according to each described compound screw thread air valve in the aforementioned claim, wherein, truncated cone-shaped described second section (24) are limited by the angle (B) with respect to rotational axis, and truncated cone-shaped described second portion (17) is limited with respect to the angle (A) of this rotational axis, makes the angle (B) of described second section (24) less than the angle (A) of described second portion (17).
4. compound screw thread air valve according to claim 3, wherein, when the second portion (17) of the free end of second section (24) of described connecting tube (22) and described steering tube (2b) when contacting, the distance between the bottom of the first portion (16) of the other end of described second section (24) and described steering tube (2b) equals pitch (r).
5. compound screw thread air valve according to claim 1 and 2, wherein, truncated cone-shaped described second section (24) are limited by the angle (B) with respect to rotational axis, and truncated cone-shaped described second portion (17) is limited by the angle (A) with respect to rotational axis, makes the angle (B) of described second section (24) equal the angle (A) of described second portion (17).
6. compound screw thread air valve according to claim 5, wherein, when the second portion (17) of second section (24) of described connecting tube (22) and described steering tube (2b) when contacting, the distance between the bottom of the first portion (16) of the end of close described first section (23) of described second section (24) and described steering tube (2b) equals pitch (r).
7. compound screw thread air valve according to claim 1, wherein, described distributor (2) is made of aluminum and make by stamping process.
8. compound screw thread air valve according to claim 1, wherein, described control valve (3,4) is made of aluminum and make by stamping process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200700667U ES1065130Y (en) | 2007-03-28 | 2007-03-28 | DUAL THREADED GAS VALVE ADAPTED FOR CONNECTION TO A BARBECUE |
| ES200700667 | 2007-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101280854A CN101280854A (en) | 2008-10-08 |
| CN101280854B true CN101280854B (en) | 2011-08-31 |
Family
ID=38330403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100869562A Expired - Fee Related CN101280854B (en) | 2007-03-28 | 2008-03-28 | Dual gas valve adapted for its connection to a barbecue |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101280854B (en) |
| CA (1) | CA2626373A1 (en) |
| ES (1) | ES1065130Y (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351623A (en) * | 2015-11-30 | 2016-02-24 | 宁波博宇燃气具有限公司 | Plug valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1366591A (en) * | 1917-05-01 | 1921-01-25 | Cities Illuminating Company | Pilot-burner |
| US1998830A (en) * | 1931-04-13 | 1935-04-23 | Edward M Beebe | Manifold valve |
| US3429593A (en) * | 1966-08-15 | 1969-02-25 | Controlled Mercury Switch Corp | Pipe fitting construction |
| US3895832A (en) * | 1974-05-13 | 1975-07-22 | Mueller Co | Collet compression connection |
| GB2264770A (en) * | 1992-03-07 | 1993-09-08 | Concentric Controls Ltd | Gas taps |
| CN1120308A (en) * | 1993-02-16 | 1996-04-10 | 沃伦·戴维斯 | Locking assembly for locking a tip in a dental handpiece |
| US6199589B1 (en) * | 1999-01-18 | 2001-03-13 | Lincoln Brass Works, Inc. | Staked dual valve assembly |
| CN1386997A (en) * | 2001-05-22 | 2002-12-25 | 沃斯液体责任有限及两合公司 | Threaded connector of pipeline |
-
2007
- 2007-03-28 ES ES200700667U patent/ES1065130Y/en not_active Expired - Fee Related
-
2008
- 2008-03-19 CA CA 2626373 patent/CA2626373A1/en not_active Abandoned
- 2008-03-28 CN CN2008100869562A patent/CN101280854B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1366591A (en) * | 1917-05-01 | 1921-01-25 | Cities Illuminating Company | Pilot-burner |
| US1998830A (en) * | 1931-04-13 | 1935-04-23 | Edward M Beebe | Manifold valve |
| US3429593A (en) * | 1966-08-15 | 1969-02-25 | Controlled Mercury Switch Corp | Pipe fitting construction |
| US3895832A (en) * | 1974-05-13 | 1975-07-22 | Mueller Co | Collet compression connection |
| GB2264770A (en) * | 1992-03-07 | 1993-09-08 | Concentric Controls Ltd | Gas taps |
| CN1120308A (en) * | 1993-02-16 | 1996-04-10 | 沃伦·戴维斯 | Locking assembly for locking a tip in a dental handpiece |
| US6199589B1 (en) * | 1999-01-18 | 2001-03-13 | Lincoln Brass Works, Inc. | Staked dual valve assembly |
| CN1386997A (en) * | 2001-05-22 | 2002-12-25 | 沃斯液体责任有限及两合公司 | Threaded connector of pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1065130U (en) | 2007-06-16 |
| ES1065130Y (en) | 2007-09-16 |
| CN101280854A (en) | 2008-10-08 |
| CA2626373A1 (en) | 2008-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20130328 |