CN208282171U - Connection structure and gas-cooker - Google Patents
Connection structure and gas-cooker Download PDFInfo
- Publication number
- CN208282171U CN208282171U CN201820811629.8U CN201820811629U CN208282171U CN 208282171 U CN208282171 U CN 208282171U CN 201820811629 U CN201820811629 U CN 201820811629U CN 208282171 U CN208282171 U CN 208282171U
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- China
- Prior art keywords
- air inlet
- sleeve
- snorkel
- cone
- connection structure
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- 230000036316 preload Effects 0.000 claims description 60
- 238000007789 sealing Methods 0.000 abstract description 14
- 238000001125 extrusion Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Gas Burners (AREA)
Abstract
The utility model relates to a connection structure belongs to gas technical field, and this connection structure is located including the cover pretension piece and sleeve on the breather pipe, pretension piece with the air inlet is connected, can make telescopic both ends block respectively to be located the air inlet with in the pretension piece, and make the breather pipe warp the extrusion the sleeve. The utility model discloses establish pretension piece and cover barrel casing on the breather pipe to in inserting the air inlet with the breather pipe, be connected with the air inlet through pretension piece, make telescopic both ends impress respectively in air inlet and pretension piece, make the breather pipe warp the extrusion sleeve simultaneously, thereby realize between sleeve and the air inlet and between sleeve and the pretension piece sealed, and then improved connection structure's sealing performance. In addition, because the breather pipe is pressed and deformed, the sleeve is extruded, thereby improving the firmness of connection between the breather pipe and the air inlet.
Description
Technical field
The utility model relates to gas technology field more particularly to a kind of connection structure and gas-cookers.
Background technique
The air inlet of snorkel and burner connects in existing gas-cooker, and usually snorkel and burner connecting pin are in horn mouth
Structure is furnished with a pre-load nut in horn mouth rear end, by the horn mouth of snorkel and burner cone match when connection, is formed linearly
Contact, then tightens pre-load nut, to play sealing function.Although the connection type does not cause serious gas leak phenomenon,
But its tiny leakage amount is still larger, generally 200~500ppm, while the junction of the air inlet of snorkel and burner is by outer
When power is hit, snorkel is easily separated from sealing surface, and seal failure easily causes gas leakage, causes safety accident.
Utility model content
The purpose of this utility model is that propose a kind of connection structure and gas-cooker, be able to solve in gas-cooker snorkel with
The junction leakproofness of burner is poor, and the technical issues of be not connected firmly.
For this purpose, the utility model uses following technical scheme:
A kind of connection structure is connected to snorkel and air inlet, and the snorkel protrudes into the air inlet, including is arranged
In preload piece and sleeve on the snorkel, the preload piece is connect with the air inlet, can make the both ends of the sleeve
It is arranged in the air inlet and the preload piece respectively, and makes sleeve described in the snorkel deformable squeeze.
As optimal technical scheme, the sleeve includes the first cone and the second cone positioned at its both ends, and described first
Cone is located between air inlet and the snorkel, second cone be located in the preload piece and the snorkel it
Between.
As optimal technical scheme, the central axial direction of first cone and second cone along the sleeve
Length dimension range is 5-8mm.
As optimal technical scheme, the diameter of the diameter of first cone and second cone is along close to the set
The direction at cylinder center is gradually increased.
As optimal technical scheme, the connector is cylindrical structure.
As optimal technical scheme, one end of the preload piece is provided with external screw thread, the threaded area and the air inlet
It is threadedly coupled.
As optimal technical scheme, the preload piece is pre-load nut.
The present embodiment additionally provides a kind of gas-cooker, including snorkel, burner and above-mentioned connection structure, the connection knot
Structure is connected to the snorkel and the burner.
As optimal technical scheme, the burner is provided with air inlet, and the air inlet is stepped hole, including the first connection
Hole and the second connecting hole, the snorkel pass through first connecting hole and protrude into second connecting hole, the connection structure
Preload piece be connected to first connecting hole.
As optimal technical scheme, the diameter of first connecting hole is greater than the diameter of second connecting hole.
As optimal technical scheme, the outer end of first connecting hole is provided with internal screw thread, and the preload piece is connected to institute
State internal screw thread.
The utility model has the beneficial effects that preload piece and sleeve are set on snorkel by the utility model, and will ventilation
Pipe is inserted into air inlet, is connect by preload piece with air inlet, is respectively pressed into the both ends of sleeve in air inlet and preload piece, together
When make snorkel deformable squeeze sleeve, to realize the sealing between sleeve and air inlet and between sleeve and preload piece, in turn
Improve the sealing performance of connection structure.Further, since sleeve is squeezed, to improve snorkel after snorkel compressive deformation
The fastness connected between air inlet.
Detailed description of the invention
Fig. 1 is the schematic diagram that connection structure provided by the utility model is installed on kitchen range；
Fig. 2 is enlarged drawing of the Fig. 1 at I.
In figure:
10, snorkel；20, air inlet；30, burner；
201, the first connecting hole；202, the second connecting hole；
1, preload piece；2, sleeve；21, the first cone；22, the second cone；23, connector.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
A kind of connection structure is present embodiments provided, as depicted in figs. 1 and 2, which is connected to 10 He of snorkel
Air inlet 20, the snorkel 10 protrude into the air inlet 20.Wherein, air inlet 20 is to be connect with snorkel 10 wait supply
Device, the present embodiment are treated feeder and are not construed as limiting, and can be gas-cooker.The connection structure includes being sheathed on the snorkel
Preload piece 1 and sleeve 2 on 10, the sleeve 2 is between the preload piece 1 and the air inlet 20.The preload piece 1 with
The air inlet 20 connects, and the both ends of the sleeve 2 can be made to be arranged in the air inlet 20 and the preload piece 1 respectively,
And make sleeve 2 described in 10 deformable squeeze of snorkel.
Preload piece 1 and sleeve 2 are set on snorkel 10 by the present embodiment, and snorkel 10 is inserted into air inlet 20,
It is connect by preload piece 1 with air inlet 20, is respectively pressed into the both ends of sleeve 2 in air inlet 20 and preload piece 1, while making to ventilate
10 deformable squeeze sleeve 2 of pipe, to realize the sealing between sleeve 2 and air inlet 20 and between sleeve 2 and preload piece 1, in turn
Improve the sealing performance of connection structure.Further, since sleeve 2 is squeezed, to improve ventilation after 10 compressive deformation of snorkel
The fastness connected between pipe 10 and air inlet 20.
Above-mentioned sleeve 2 includes the first cone 21 and the second cone 22 positioned at its both ends, and first cone 21 is located in
Between air inlet 20 and the snorkel 10, second cone 22 is located between the preload piece 1 and the snorkel 10.
Wherein, first cone 21 and second cone 22 are equal along the length dimension range of the central axial direction of the sleeve 2
For 5-8mm, the sealing effect of connection structure and the fastness of connection have been fully ensured that.Preferably, the first cone 21 and described
Second cone 22 is 7mm along the length of the central axial direction of the sleeve 2.Air inlet 20 is measured by laboratory and is pre-tightened
Part 1 respectively micro- leakage quantity with 2 junction of sleeve in 100ppm or less.
Further, the diameter of first cone 21 and the diameter of second cone 22 are along close to the sleeve 2
The direction at center is gradually increased, and correspondingly, the junction and preload piece 1 of air inlet 20 and sleeve 2 are close to one end of air inlet 20
Be provided with the first cone 21 and the second cone 22 cooperation horn mouth so that the both ends of sleeve 2 respectively with air inlet
It is face contact between 20 and preload piece 1, increases sealing area, reduce tiny leakage amount, air inlet 20 is played good close
Envelope effect.The fastness that snorkel 10 is connect with air inlet 20 is also added simultaneously.In addition, the present embodiment is at the both ends of sleeve 2
The first cone 21 and the second cone 22 is respectively set, so that the first cone 21 and the second cone 22 are respectively pressed into air inlet 20 and pre-
When in tight part 1, guiding role is played.
When installing above-mentioned connection structure, the sleeve 2 that preload piece 1 and both ends are cone structure is set in snorkel 10
On, and snorkel 10 is inserted into 30 interface bottom of burner as shown in Figure 1, then starts firmly to tighten preload piece 1, due to by
The pretightning force of preload piece 1, generates interaction force between the first cone 21 and air inlet 20 of sleeve 2, the direction of active force is hung down
Directly in the conical surface of the first cone 21, meanwhile, interaction force is generated between the second cone 22 and preload piece 1,2 other end of sleeve is also
By the pretightning force of the conical surface perpendicular to the second cone 22, the intensity due to preload piece 1 and to feeder is all larger than snorkel
10 intensity, under the active force generated when preload piece 1 is tightened, first cone 21 at the both ends of sleeve 2 and the second cone 22 will
Snorkel 10 is compressed and is deformed, so that the both ends of sleeve 2 are clamped between snorkel 10 and air inlet 20 respectively and snorkel 10
Between preload piece 1, so that the both ends of sleeve 2 is made to form sealing between air inlet 20 and preload piece 1 respectively, meanwhile, it improves
The fastness of connection structure connection.Wherein, between first cone 21 and air inlet 20 at the both ends of sleeve 2 and the second cone 22
It is face contact between preload piece 1, to improve the sealing performance of connection structure.
Further, sleeve 2 further includes connector 23, and the both ends of the connector 23 are connected to first cone 21
With the second cone 22.Wherein, the connector 23 is cylindrical structure.
Further, one end of preload piece 1 is provided with external screw thread, and air inlet 20 is provided with internal screw thread, preload piece 1 and air inlet
Mouth 20 is threadedly coupled by external screw thread with internal screw thread, so that playing preload when preload piece 1 is connected to air inlet 20
Effect.Preferably, preload piece 1 is pre-load nut, and it is convenient that preload piece 1 is screwed, apply pretightning force.
The present embodiment additionally provides a kind of gas-cooker, and as depicted in figs. 1 and 2, which includes snorkel 10, burner 30
And above-mentioned connection structure, the connection structure are connected to the air inlet 20 of the snorkel 10 and the burner 30.
Further, above-mentioned air inlet 20 is stepped hole, including the first connecting hole 201 and the second connecting hole 202 are described logical
Tracheae 10 passes through first connecting hole 201 and protrudes into second connecting hole 202, and the preload piece 1 is connected to described first
Connecting hole 201.Wherein, the outer end of first connecting hole 201 is provided with internal screw thread, and the preload piece 1 is connected to the interior spiral shell
Line.When the mounting connection structure on the gas-cooker, preload piece 1 is threadedly coupled with the first connecting hole 201, and sleeve 2 is placed in first
In connecting hole 201, and both ends are pressed into respectively in preload piece 1 and the second connecting hole 202, to realize to burner 30 and preload piece
Sealing between 1.
It should be noted that the centre bore of preload piece 1 is horn-like structure close to the port of one end of air inlet 20, this
Outside, the junction of the second connecting hole 202 and the first connecting hole 201 is horn-like structure, so that working as first cone at 2 both ends of sleeve
21 and second cone 22 be pressed at preload piece 1 and air inlet 20 during, the first cone 21 and the port of preload piece 1 are always
The port of face contact, the second cone 22 and the second connecting hole 202 is also always face contact, increases sealing area, reduces micro-
Leakage rate plays good sealing function to air inlet 20, improves the security performance of gas-cooker.
Note that have been shown and described above the utility model basic principles and main features and the utility model it is excellent
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, above embodiment and say
Only illustrate the principles of the present invention described in bright book, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention,
The claimed range of the utility model is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of connection structure, is connected to snorkel (10) and air inlet (20), the snorkel (10) protrudes into the air inlet
(20) in, which is characterized in that including the preload piece (1) and sleeve (2) being sheathed on the snorkel (10), the preload piece
(1) connect with the air inlet (20), can make the both ends of the sleeve (2) be arranged in respectively the air inlet (20) with it is described
In preload piece (1), and make sleeve (2) described in the snorkel (10) deformable squeeze.
2. connection structure according to claim 1, which is characterized in that the sleeve (2) includes positioned at the first of its both ends
Cone (21) and the second cone (22), first cone (21) are located between air inlet (20) and the snorkel (10),
Second cone (22) is located between the preload piece (1) and the snorkel (10).
3. connection structure according to claim 2, which is characterized in that first cone (21) and second cone
(22) the length dimension range along the central axial direction of the sleeve (2) is 5-8mm.
4. connection structure according to claim 2, which is characterized in that the diameter and described second of first cone (21)
The diameter of cone (22) is gradually increased along the direction close to the sleeve (2) center.
5. connection structure according to claim 1, which is characterized in that one end of the preload piece (1) is provided with external screw thread,
The external screw thread is threadedly coupled with the air inlet (20).
6. connection structure according to claim 1, which is characterized in that the preload piece (1) is pre-load nut.
7. a kind of gas-cooker, which is characterized in that including snorkel (10), burner (30) and described in any one of claims 1-6
Connection structure, the connection structure are connected to the snorkel (10) and the burner (30).
8. gas-cooker according to claim 7, which is characterized in that the burner (30) is provided with air inlet (20), described
Air inlet (20) is stepped hole, including the first connecting hole (201) and the second connecting hole (202), and the snorkel (10) passes through institute
It states the first connecting hole (201) and protrudes into second connecting hole (202), the preload piece (1) of the connection structure is connected to described
First connecting hole (201).
9. gas-cooker according to claim 8, which is characterized in that the diameter of first connecting hole (201) is greater than described
The diameter of second connecting hole (202).
10. gas-cooker according to claim 8, which is characterized in that in the outer end of first connecting hole (201) is provided with
Screw thread, the preload piece (1) are connected to the internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820811629.8U CN208282171U (en) | 2018-05-29 | 2018-05-29 | Connection structure and gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820811629.8U CN208282171U (en) | 2018-05-29 | 2018-05-29 | Connection structure and gas-cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208282171U true CN208282171U (en) | 2018-12-25 |
Family
ID=64706369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820811629.8U Active CN208282171U (en) | 2018-05-29 | 2018-05-29 | Connection structure and gas-cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208282171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542121A (en) * | 2018-05-29 | 2019-12-06 | 青岛海尔智慧厨房电器有限公司 | Connection structure and gas-cooker |
-
2018
- 2018-05-29 CN CN201820811629.8U patent/CN208282171U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542121A (en) * | 2018-05-29 | 2019-12-06 | 青岛海尔智慧厨房电器有限公司 | Connection structure and gas-cooker |
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