CN103791182A - Tube connecting structure and stove - Google Patents
Tube connecting structure and stove Download PDFInfo
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- CN103791182A CN103791182A CN201410015343.5A CN201410015343A CN103791182A CN 103791182 A CN103791182 A CN 103791182A CN 201410015343 A CN201410015343 A CN 201410015343A CN 103791182 A CN103791182 A CN 103791182A
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- Prior art keywords
- connecting tube
- joint
- fastening piece
- wall
- connection structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
- F16L19/028—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention provides a tube connecting structure and a stove comprising the same. The tube connecting structure comprises a first connecting tube, a second connecting tube and a fastening piece. A connecting step is arranged on the inner wall face of the first connecting tube, and the step face of the connecting step is oblique; a connecting portion is arranged on the outer wall face of the second connecting tube, and the outer wall face of the connecting portion is also oblique. An included angle between two side oblique faces of the outer wall face of the connecting portion is not larger than an included angle between two side oblique faces of the step face, so that a gap is formed between the step face and the outer wall face of the connecting portion; through the pressing force of the fastening piece to the second connecting tube, the connecting portion can deform and the gap can be filled with the connecting portion; material hardness of the connecting portion is not larger than that of the first connecting tube, so that the connecting portion deforms easily, the gap can be filled up well by the connecting portion, and the first connecting tube and the second connecting tube are in close fit. The tube connecting structure is simple in structure, firm in connection and good sealing effect.
Description
Technical field
The present invention relates to kitchen ware field, more specifically, relate to a kind of pipe connection structure and the kitchen range that comprise this pipe connection structure.
Background technique
In existing kitchen products, after installing, the end cup of kitchen range and aluminium tracheae still there is gap, there is very large gas leakage risk, make a concrete analysis of as follows: Fig. 1 is the structural representation of aluminium tracheae 1 ‵, aluminium tracheae 1 ‵ is provided with joint 10 ‵ of protrusion, included angle A between the outer wall of joint 10 ‵ is 90 degree, Fig. 2 is the structural representation of end cup 2 ‵, the internal face of end cup 2 ‵ is step surface, and the included angle B of step surface is 80 degree, make B be less than A, between the outer wall of joint 10 ‵ and the internal face of end cup 2 ‵, there are gap 4 ‵ like this, as shown in Figure 3, when end cup 2 ‵ and aluminium tracheae 1 ‵ install, general tightening nut 3 ‵ that adopt are fixed, while screwing tightening nut 3 ‵, aluminium tracheae 1 ‵ can be subject to thrust upwards, because the material of aluminium tracheae 1 ‵ is softer, easily deform, joint 10 ‵ of aluminium tracheae 1 ‵ can deform under the effect of thrust, but this deformation cannot be filled full gap 4 ‵, assemble between cup 2 ‵ of the rear end and aluminium tracheae 1 ‵ and still had gap 4 ‵, as shown in Figure 4, cause aluminium tracheae 1 ‵ cannot to be airtightly connected with end cup 2 ‵, there is very large gas leakage risk.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, the object of one aspect of the invention is, a kind of body joint good seal is provided, can prevents the pipe connection structure that body leaks gas.
The object of another aspect of the present invention is, a kind of kitchen range that comprise this pipe connection structure are provided.
For achieving the above object, embodiments of the invention provide a kind of pipe connection structure, comprising: the first connecting tube, on the internal face of described the first connecting tube, be provided with connection step, and the step surface of described connection step is inclined-plane; The second connecting tube, the outer wall of described the second connecting tube is provided with the joint of protrusion, the outer wall of described joint is also inclined-plane, and one end of described the second connecting tube is stretched in described the first connecting tube, and the outer wall of described joint is resisted against on described step surface; And fastening piece, described fastening piece is fixedly connected with described the first connecting tube with the second connecting tube, and applies impacting force to described the second connecting tube; Angle angle in the outer wall of described joint between inclined-plane, both sides is not more than the angle angle between the inclined-plane, both sides of described step surface, make to have gap between the outer wall of described step surface and described joint, the impacting force that described fastening piece applies to described the second connecting tube can make described joint deform and be filled in described gap.
The pipe connection structure that the above embodiment of the present invention provides, comprises the first connecting tube, the second connecting tube and fastening piece, and the internal face of the first connecting tube is provided with connection step, and the step surface of connection step is inclined-plane, the outer wall of the second connecting tube is provided with the joint of protrusion, and the outer wall of joint is also inclined-plane, and the angle on the inclined-plane, both sides of step surface is not less than the angle on the inclined-plane, both sides of joint outer wall, after one end of the second connecting tube is stretched in described the first connecting tube, the joint of the second connecting tube can be resisted against on the step surface of the first connecting tube, because the angle on the inclined-plane, both sides of step surface is not less than the angle on the inclined-plane, both sides of joint outer wall, so there is gap between step surface and the outer wall of joint, fastening piece is fixedly connected with the first connecting tube during with the second connecting tube, apply an impacting force to the second connecting tube, the joint of the second connecting tube is deformed, gap-fill between step surface and the outer wall of joint is full, make together with the outer wall of step surface and joint fits tightly, gapless between step surface and joint, realize the firm connection of the first connecting tube and the second connecting tube and closely cooperated.
In sum, in the above embodiment of the present invention, by being set, the angle on inclined-plane, both sides on the step surface of the first connecting tube is not less than the angle on inclined-plane, both sides in the joint outer wall of the second connecting tube, then be out of shape in the gap being filled between step surface and the outer wall of joint by joint, realize closely cooperating of the first connecting tube and the second connecting tube, pipe connection structure is simple, is connected firmly, and good sealing effect.
In addition, the pipe connection structure providing according to the above embodiment of the present invention also has following additional technical feature:
According to one embodiment of present invention, the material hardness of described the first connecting tube is not less than the material hardness of described joint.
According to one embodiment of present invention, described joint and described the second connecting tube are the integral structure that adopts same material to make.
According to one embodiment of present invention, the two ends of described the second connecting tube are equipped with described joint; And/or on the internal face at described the first connecting tube two ends, be equipped with described connection step.
According to one embodiment of present invention, described pipe connection structure also comprises connection packing ring, the loop configuration that described connection packing ring is hollow, an and end opening flare, described connection pad snare is located at outside described the second connecting tube, and the opening of flare is towards described joint, and described fastening piece pushes described joint by described connection packing ring.
According to one embodiment of present invention, described fastening piece is set in outside described the second connecting tube, and one end of described fastening piece is stretched in described the first connecting tube, the internal face bolt of the outer wall of described fastening piece and described first connecting tube one end, one end that described fastening piece stretches in described the first connecting tube is pushed described connection packing ring and is applied impacting force to described joint.
According to one embodiment of present invention, described fastening piece is set in outside described the second connecting tube, and one end of described the first connecting tube is stretched in described fastening piece, the outer wall bolt of one end of the internal face of described fastening piece and described the first connecting tube, and the internal face of described fastening piece is provided with a spacing preiection, described spacing preiection pushes described connection packing ring and applies impacting force to described joint.
The present invention is embodiment on the other hand provide a kind of kitchen range, includes the pipe connection structure described in above-mentioned arbitrary embodiment.
According to one embodiment of present invention, described kitchen range are gas cooker, described gas cooker comprises two described the first connecting tubes, the steam outlet pipe that described in one of them, the first connecting tube is gas control valve, the suction tude that described in another, the first connecting tube is burner, the two ends of described the second connecting tube are equipped with described joint, and the described steam outlet pipe of described gas control valve is connected by described the second connecting tube with the described suction tude of described burner.
According to one embodiment of present invention, described the second connecting tube is aluminium tracheae, and the described joint at described the second connecting tube two ends is the described aluminium tracheae bend pipe that radially outwards bending forms.
Additional aspect of the present invention and advantage will become in description part below obviously, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming embodiment's description obviously and easily, wherein:
Fig. 1 is according to the structural representation of the aluminium tracheae described in correlation technique;
Fig. 2 is according to the structural representation of the end cup described in correlation technique;
Fig. 3 is the linkage structure schematic diagram of the end cup shown in the aluminium tracheae shown in Fig. 1 and Fig. 2;
Fig. 4 is the A portion structure enlarged diagram of Fig. 3;
Fig. 5 is according to the schematic diagram of the pipe connection structure described in one embodiment of the invention;
Fig. 6 and Fig. 7 are the B portion structure enlarged diagrams of Fig. 5, and wherein Fig. 6 is the view before the joint distortion of the second connecting tube, and Fig. 7 is the view after the joint distortion of the second connecting tube;
Fig. 8 is the schematic diagram of described according to a further embodiment of the invention pipe connection structure;
Fig. 9 is the broken section structural representation according to the gas cooker described in one embodiment of the invention.
Wherein, in Fig. 1 to Fig. 4, the corresponding relation between reference character and component names is:
1 ‵ aluminium tracheae, 10 ‵ joints, cup at the bottom of 2 ‵, 3 ‵ tightening nuts, 4 ‵ gaps
Corresponding relation in Fig. 5 to Fig. 9 between reference character and component names is:
1 gas cooker, 10 first links, 20 second links, 210 joints, 30 fastening pieces,
310 spacing preiections, 40 gaps, 50 connect packing ring, 60 gas control valves, 610 steam outlet pipes,
70 burners, 710 suction tude
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
The pipe connection structure and the kitchen range that provide are according to some embodiments of the invention described with reference to the accompanying drawings.
The pipe connection structure providing according to some embodiments of the invention, as shown in Figures 5 to 7, comprises the first connecting tube 10, the second connecting tube 20 and fastening piece 30.
Particularly, be provided with connection step on the internal face of described the first connecting tube 10, the step surface of described connection step is inclined-plane;
The outer wall of described the second connecting tube 20 is provided with the joint 210 of protrusion, the outer wall of described joint 210 is also inclined-plane, one end of described the second connecting tube 20 is stretched in described the first connecting tube 10, and the outer wall of described joint 210 is resisted against on described step surface;
Described fastening piece 30 is fixedly connected with described the first connecting tube 10 with the second connecting tube 20, and applies impacting force to described the second connecting tube 20;
Angle angle in the outer wall of described joint 210 between inclined-plane, both sides is not more than the angle angle between the inclined-plane, both sides of described step surface.
In a specific embodiment of the present invention, as shown in Figure 6, angle angle A in the outer wall of described joint 210 between inclined-plane, both sides is less than the angle angle B between the inclined-plane, both sides of described step surface, makes to have gap 40 between the outer wall of described step surface and described joint 210; The impacting force that described fastening piece 30 applies to described the second connecting tube 20 can make described joint 210 deform and be filled in described gap 40, as shown in Figure 7.
The pipe connection structure that the above embodiment of the present invention provides, as shown in Figure 5 and Figure 6, comprise the first connecting tube 10, the second connecting tube 20 and fastening piece 30, the internal face of the first connecting tube 10 is provided with connection step, and the step surface that connects step is inclined-plane, and the angle on the inclined-plane, both sides of step surface is B, the outer wall of the second connecting tube 20 is provided with the joint 210 of protrusion, the outer wall of joint 210 is also inclined-plane, and the angle on inclined-plane, both sides is A in the outer wall of joint 210, the included angle B on the inclined-plane, both sides of step surface is greater than the included angle A on the inclined-plane, both sides of joint 210 outer wall, one end of the second connecting tube 20 stretch into described the first connecting tube 10 interior after, the joint 210 of the second connecting tube 20 can be resisted against on the step surface of the first connecting tube 10, as shown in Figure 6, because the included angle B on the inclined-plane, both sides of step surface is greater than the included angle A on the inclined-plane, both sides of joint 210 outer wall, so there is gap 40 between the outer wall of step surface and joint 210, fastening piece 30 is fixedly connected with the first connecting tube 10 during with the second connecting tube 20, apply an impacting force to the second connecting tube 20, the joint 210 of the second connecting tube 20 is deformed, gap 40 between step surface and the outer wall of joint 210 is filled full, make together with step surface fits tightly with the outer wall of joint 210, as shown in Figure 7, gapless between step surface and joint 210, realize the firm connection of the first connecting tube 10 and the second connecting tube 20 and closely cooperated, the phenomenon of gas or leak of liquid in can generator tube.
In sum, in the above embodiment of the present invention, by being set, the angle on inclined-plane, both sides in the joint outer wall of the second connecting tube is less than the angle on inclined-plane, both sides on the step surface of the first connecting tube, then be out of shape in the gap being filled between step surface and the outer wall of joint by joint, realize closely cooperating of the first connecting tube and the second connecting tube, pipe connection structure is simple, is connected firmly, and good sealing effect.
In prior art, it has been generally acknowledged that, the internal diameter of outer sleeve (i.e. the first connecting tube) is less, when the external diameter of inner sleeve (i.e. the second connecting tube) is larger, easily realize being tightly connected of internal and external casing, and in the present invention, the internal diameter of outer sleeve (i.e. the first connecting tube) is larger, the external diameter of inner sleeve (i.e. the second connecting tube) is less, utilizes the distortion of inner sleeve, is filled in the gap of internal and external casing, realize being tightly connected of internal and external casing, overcome technology prejudice of the prior art.
It should be noted that, in above-mentioned specific embodiment of the present invention, in joint 210 outer wall of the second connecting tube 20, the included angle A on inclined-plane, both sides is less than the included angle B on inclined-plane, both sides on the step surface of the first connecting tube 10, can certainly make in joint 210 outer wall of the second connecting tube 20 included angle B on inclined-plane, both sides in the included angle A on inclined-plane, both sides and the step surface of the first connecting tube 10 equate, now the outer wall of the joint 210 of the second connecting tube 20 can realize with the airtight of step surface of the first connecting tube 10 and being connected without distortion, can realize equally goal of the invention of the present invention, but consider in actual course of working and have machining error, be difficult to guarantee that included angle A equates with B, therefore the preferred embodiments of the present invention are the mode that included angle A is less than B.
In one embodiment of the present invention, as shown in Figure 5, described joint 210 and the integral structure of described the second connecting tube 20 for adopting same material to make.
In some embodiments of the invention, the material hardness of described the first connecting tube 10 is not less than the material hardness of described joint 210.
In a preferred embodiment of the present invention, the material hardness of described the first connecting tube 10 is greater than the material hardness of described joint 210.
Because the second connecting tube and joint are the integral structure that adopts same material to make, the material hardness of the first connecting tube is greater than the material hardness of joint, the material hardness of the first connecting tube is greater than the material hardness of the second connecting tube, under the effect of the impacting force applying at fastening piece like this, because the hardness of joint is less, so joint easily deforms, and then can the gap-fill between joint outer wall and step surface is full, realize fixedly securing and being tightly connected of the first connecting tube and the second connecting tube.
In another embodiment of the present invention, described the first connecting tube 10 and described the second connecting tube 20 all adopt the soft material of matter to make, if: the material hardness of the first connecting tube 10 and the second connecting tube 20 is not all higher than the hardness of aluminium, because the hardness of aluminium is less, easily deform, the hardness of the first connecting tube 10 and the second connecting tube 20 is not higher than the hardness of aluminium, the second connecting tube 20 and the first connecting tube 10 are easily deformed, under the effect of the impacting force of fastening piece 30, the joint 210 of the first connecting tube 10 and the second connecting tube 20 can deform simultaneously, gap-fill is full, can realize equally the firm connection of the first connecting tube 10 and the second connecting tube 20 and be tightly connected.
In a specific embodiment of the present invention, as shown in Figure 9, the two ends of described the second connecting tube 20 are equipped with described joint 210.
The two ends of the second connecting tube are equipped with joint, and like this, every end of the second connecting tube all can, with one first connecting tube is airtight is connected, have been realized the airtight connection of two the first connecting tubes.
In another specific embodiment of the present invention, on the internal face at described the first connecting tube 10 two ends, be equipped with described connection step.
On the internal face at the first connecting tube two ends, be equipped with connection step, every end of such the first connecting tube all can, with one second connecting tube is airtight is connected, have been realized the airtight connection of two the second connecting tubes.
In a specific embodiment of the present invention, as shown in Figure 5, described pipe connection structure also comprises connection packing ring 50.
Particularly, the loop configuration that described connection packing ring 50 is hollow, and an end opening flare, described connection packing ring 50 is set in outside described the second connecting tube 20, and the opening of flare is towards described joint 210, and described fastening piece 30 pushes described joint 210 by described connection packing ring 50.
Pipe connection structure also comprises connection packing ring, the loop configuration that connection packing ring is hollow, an and end opening flare, connecting packing ring can be set in outside the second connecting tube, and flaring opening is towards the joint of the second connecting tube, like this, fastening piece can apply an impacting force to connecting on packing ring, connect the outer wall of the internal face extruding joint of packing ring, owing to connecting the opening flare of packing ring, extruding degree between the connection internal face of packing ring and the outer wall of joint is violent gradually, joint is deformed gradually, and then the gap-fill between joint and step surface is full.
In one embodiment of this invention, as shown in Figure 5, described fastening piece 30 is set in outside described the second connecting tube 20, and one end of described fastening piece 30 is stretched in described the first connecting tube 10, the internal face bolt of the outer wall of described fastening piece 30 and described first connecting tube 10 one end, one end that described fastening piece 30 stretches in described the first connecting tube 10 is pushed described connection packing ring 50 and applies impacting force to described joint 210.
In another embodiment of the present invention, as shown in Figure 8, described fastening piece 30 is set in outside described the second connecting tube 20, and one end of described the first connecting tube 10 is stretched in described fastening piece 30, the outer wall bolt of one end of the internal face of described fastening piece 30 and described the first connecting tube 10, and the internal face of described fastening piece 30 is provided with a spacing preiection 310, described spacing preiection 310 pushes described connection packing ring 50 and applies impacting force to described joint 210.
Fastening piece and the first connecting tube are spirally connected, along with screwing gradually of fastening piece, spacing preiection on fastening piece or end are pushed connection packing ring gradually, connect the joint on packing ring and then extruding the second connecting tube, and along with screwing of fastening piece, the impacting force that imposes on joint increases gradually, and joint is deformed gradually, and then the gap-fill between joint and step surface is full.
The present invention is embodiment on the other hand provide a kind of kitchen range, includes the pipe connection structure described in above-mentioned arbitrary embodiment, and has whole beneficial effects of above-mentioned pipe connection structure.
It should be noted that, the present invention on the other hand described kitchen range comprises built-in type cooker, free-standing kitchen range, also comprises the kitchen range that combine with baking box, roaster.
In a specific embodiment of the present invention, as shown in Figure 9, described kitchen range are gas cooker 1, described gas cooker 1 comprises two described the first connecting tubes 10, described in one of them, the first connecting tube is the steam outlet pipe 610 of gas control valve 60, described in another, the first connecting tube is the suction tude 710 of burner 70, the two ends of described the second connecting tube 20 are equipped with described joint 210, and the steam outlet pipe 610 of described gas control valve 60 is connected by described the second connecting tube 20 with the suction tude 710 of described burner 70.
Further, as shown in Figure 9, described the second connecting tube 20 is aluminium tracheae, and the described joint 210 at described the second connecting tube 20 two ends is the described aluminium tracheae bend pipe that radially outwards bending forms.
Kitchen range are gas cooker, and the steam outlet pipe of gas control valve is connected by above-mentioned pipe connection structure with the suction tude of burner with aluminium tracheae, aluminium tracheae, the steam outlet pipe of having realized gas control valve is connected with the airtight of suction tude of burner with aluminium tracheae, aluminium tracheae, realized the steam outlet pipe of gas control valve and the airtight of the suction tude of burner is connected, on the one hand can prevent the energy waste that gas leakage causes, can prevent that on the other hand gas leakage from causing danger.
In sum, pipe connection structure provided by the invention, by being set, the angle on inclined-plane, both sides in the joint outer wall of the second connecting tube is not more than the angle on inclined-plane, both sides on the step surface of the first connecting tube, then by joint, the distortion under extruding force effect is filled in the gap between step surface and the outer wall of joint, realize closely cooperating of the first connecting tube and the second connecting tube, and pipe connection structure is simple, be connected firmly, and good sealing effect; The material hardness of the joint of the second connecting tube is not more than the material hardness of the first connecting tube, joint is more easily deformed under extruding force effect, can be better that the gap-fill between step surface and the outer wall of joint is full, realize the airtight connection of the first connecting tube and the second connecting tube.Therefore, in embodiments of the invention, make full use of the difference of material hardness between the first connecting tube and joint and the distortion that joint occurs, realized the airtight connection of the first connecting tube and the second connecting tube.
In description of the invention, term " is connected ", " fixing " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a pipe connection structure, comprising:
The first connecting tube, is provided with connection step on the internal face of described the first connecting tube, the step surface of described connection step is inclined-plane;
The second connecting tube, the outer wall of described the second connecting tube is provided with the joint of protrusion, the outer wall of described joint is also inclined-plane, and one end of described the second connecting tube is stretched in described the first connecting tube, and the outer wall of described joint is resisted against on described step surface; With
Fastening piece, described fastening piece is fixedly connected with described the first connecting tube with the second connecting tube, and applies impacting force to described the second connecting tube, it is characterized in that,
Angle angle in the outer wall of described joint between inclined-plane, both sides is not more than the angle angle between the inclined-plane, both sides of described step surface, make to have gap between the outer wall of described step surface and described joint, the impacting force that described fastening piece applies to described the second connecting tube can make described joint deform and be filled in described gap.
2. pipe connection structure according to claim 1, is characterized in that,
The material hardness of described the first connecting tube is not less than the material hardness of described joint.
3. pipe connection structure according to claim 2, is characterized in that,
Described joint and described the second connecting tube are the integral structure that adopts same material to make.
4. pipe connection structure according to claim 3, is characterized in that,
The two ends of described the second connecting tube are equipped with described joint; And/or
On the internal face at described the first connecting tube two ends, be equipped with described connection step.
5. according to the pipe connection structure described in any one in claim 1-4, it is characterized in that, also comprise:
Connect packing ring, the loop configuration that described connection packing ring is hollow, and an end opening flare, described connection pad snare is located at outside described the second connecting tube, and the opening of flare is towards described joint, and described fastening piece pushes described joint by described connection packing ring.
6. pipe connection structure according to claim 5, is characterized in that,
Described fastening piece is set in outside described the second connecting tube, and one end of described fastening piece is stretched in described the first connecting tube, the internal face bolt of the outer wall of described fastening piece and described first connecting tube one end, one end that described fastening piece stretches in described the first connecting tube is pushed described connection packing ring and is applied impacting force to described joint.
7. pipe connection structure according to claim 5, is characterized in that,
Described fastening piece is set in outside described the second connecting tube, and one end of described the first connecting tube is stretched in described fastening piece, the outer wall bolt of one end of the internal face of described fastening piece and described the first connecting tube, and the internal face of described fastening piece is provided with a spacing preiection, described spacing preiection pushes described connection packing ring and applies impacting force to described joint.
8. kitchen range, is characterized in that, include the pipe connection structure as described in any one in claim 1 to 7.
9. kitchen range according to claim 8, is characterized in that,
Described kitchen range are gas cooker, described gas cooker comprises two described the first connecting tubes, the steam outlet pipe that described in one of them, the first connecting tube is gas control valve, the suction tude that described in another, the first connecting tube is burner, the two ends of described the second connecting tube are equipped with described joint, and the described steam outlet pipe of described gas control valve is connected by described the second connecting tube with the described suction tude of described burner.
10. kitchen range according to claim 9, is characterized in that,
Described the second connecting tube is aluminium tracheae, and the described joint at described the second connecting tube two ends is the described aluminium tracheae bend pipe that radially outwards bending forms.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015343.5A CN103791182B (en) | 2014-01-13 | 2014-01-13 | Pipe connection structure and kitchen range |
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|---|---|---|---|
| CN201410015343.5A CN103791182B (en) | 2014-01-13 | 2014-01-13 | Pipe connection structure and kitchen range |
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| CN103791182A true CN103791182A (en) | 2014-05-14 |
| CN103791182B CN103791182B (en) | 2016-02-03 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202022104716U1 (en) * | 2022-08-19 | 2022-09-05 | Ti Automotive Technology Center Gmbh | connection arrangement |
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| DE4238877A1 (en) * | 1992-11-19 | 1994-05-26 | Klaus Lehmann | Screw connecting system for pipelines - has profiled cutting ring whose end side displaces pipe wall material to form seal during tightening. |
| CN2204027Y (en) * | 1994-05-19 | 1995-07-26 | 孙建新 | Multi-function gas range |
| CN2381866Y (en) * | 1998-10-16 | 2000-06-07 | 佛山市日丰企业有限公司 | Joint |
| CN1290830A (en) * | 1999-07-02 | 2001-04-11 | Smc株式会社 | Pipe joint |
| CN203718189U (en) * | 2014-01-13 | 2014-07-16 | 广东美的厨房电器制造有限公司 | Pipe body connection structure and stove |
-
2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO170601B (en) * | 1985-11-19 | 1992-07-27 | Martin Norbert | ROER CLUTCH |
| DE4238877A1 (en) * | 1992-11-19 | 1994-05-26 | Klaus Lehmann | Screw connecting system for pipelines - has profiled cutting ring whose end side displaces pipe wall material to form seal during tightening. |
| CN2204027Y (en) * | 1994-05-19 | 1995-07-26 | 孙建新 | Multi-function gas range |
| CN2381866Y (en) * | 1998-10-16 | 2000-06-07 | 佛山市日丰企业有限公司 | Joint |
| CN1290830A (en) * | 1999-07-02 | 2001-04-11 | Smc株式会社 | Pipe joint |
| CN203718189U (en) * | 2014-01-13 | 2014-07-16 | 广东美的厨房电器制造有限公司 | Pipe body connection structure and stove |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103791182B (en) | 2016-02-03 |
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