CN204922282U - Fire the pipe connection - Google Patents
Fire the pipe connection Download PDFInfo
- Publication number
- CN204922282U CN204922282U CN201520652480.XU CN201520652480U CN204922282U CN 204922282 U CN204922282 U CN 204922282U CN 201520652480 U CN201520652480 U CN 201520652480U CN 204922282 U CN204922282 U CN 204922282U
- Authority
- CN
- China
- Prior art keywords
- bellows
- seal
- ring
- seal ring
- pipe
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 43
- 239000005435 mesosphere Substances 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 12
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000002365 multiple layer Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 20
- 230000035882 stress Effects 0.000 description 15
- 239000000567 combustion gas Substances 0.000 description 10
- 230000032683 aging Effects 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a fire the pipe connection, including bellows and joint part, it includes the junction block to connect the part, loose joint cover and seal assembly, the junction block sets up with the bellows is integrative, the junction block forms annular step in the junction with the bellows, seal assembly includes the rubber seal that the overlapping of multilayer level was placed, the equal embedded rubber seal who just is located the bottom in the junction block of multilayer rubber seal hugs closely with annular step inner wall, the rubber seal of top layer is equipped with the seal groove along its circumference on keeping away from the sealed anchor ring of bellows, the loose joint cover cup joint on the outer wall of junction block and its inner wall on be equipped with the internal thread, compared with the prior art, the utility model discloses an it overlaps the sealing washer of placing to set up the multilayer level in fire the pipe connection for the stress that the sealing washer received that meets with outside gas pipe reduces, delay it and age, and after the sealing washer that meets with outside gas pipe age, it was also very convenient to change, simple structure, convenient and practical.
Description
Technical field
The utility model relates to a kind of joint, and more particularly, it relates to a kind of gas kitchen pipe joint.
Background technique
Along with popularizing of the combustion gas such as rock gas, gas cooker is more and more applied, mostly need gas kitchen pipe joint to be connected between the connecting hose of air inlet and the suction port of gas range and seal, existing seal ring is many to be made up of rubber, can occur after rubber seal uses a period of time as face checking is hardening, the deterioration phenomena such as stretchability variation, affect the use of gas pipeline, and cause the main cause of deterioration phenomenon to have oxidation, illumination slabbing, moisture attack, the reasons such as mechanical stress and other such as radiation, rubber seal great majority all use under stress phase, the chemical reaction velocity of stress on rubber has significant impact, due to the nonuniformity of rubber structure and stress distribution thereof, standing in distortion fatigue process, stress will the structure of molecule of heavy damage rubber, make large molecular breakdown, generate free radicals, cause the oxidative chain reactions of rubber macromolecule, cause ageing of rubber, can not use, therefore, the pressure size suffered by seal ring should be reduced as far as possible or disperse when using rubber seal ring, to reduce the stress of rubber inside, and in current gas kitchen pipe joint, the loose joint sleeve be placed on joint is generally made up of the material such as copper or stainless steel, deformability is far smaller than the rubber seal be embedded therein, so just make the most of stress transformed in order to self of the pressure suffered by rubber seal, be made up of the good material of stretchability if loose joint sleeve is changed into, make if any plastics, then greatly can reduce the sealing of loose joint sleeve, also reduce the corrosion-resistant of gas kitchen pipe joint, resistance to high temperature, therefore, to need a kind of newly, do not change the gas kitchen pipe joint structure that loose joint sleeve material can reduce again seal ring stress.
Model utility content
For the problem in practice, the utility model proposes a kind of gas kitchen pipe joint, concrete scheme is as follows:
A kind of gas kitchen pipe joint, comprise the bellows being provided with equidistant bulge loop and the joint component being arranged on corrugated tube end, described joint component comprises adaptor tube, loose joint sleeve and black box, described adaptor tube and bellows are wholely set, described adaptor tube internal-and external diameter is greater than the internal-and external diameter of bellows and forms ring-shaped step in the joint with bellows, described black box comprises the rubber seal that multiple-layer horizontal overlap is placed, rubber seal described in multilayer to be all embedded in adaptor tube and to be positioned at the rubber seal of the bottom and ring-shaped step inwall is close to, the rubber seal of most top layer is away from the sealing ring surface of bellows is circumferentially with the width seal groove suitable with fuel tube mouth of pipe pipe thickness along it, on the outer wall that described loose joint sleeve is socketed on described adaptor tube and its inwall is provided with internal thread, the length of described loose joint sleeve is greater than the length of adaptor tube.
Pass through technique scheme, when fuel tube extrudes the rubber seal of most top layer, the most stressed generation deformation of top layer seal ring, the seal groove sealing fuel tube mouth of pipe, because rubber seal has multilayer, when most top layer seal ring stress and deformation, also there is deformation accordingly in the seal ring be positioned over below most top layer seal ring, therefore, decrease most extruding suffered by top layer seal ring, its internal stress also can reduce accordingly, thus delayed the aging speed of most top layer seal ring, after most top layer seal ring is aging, when seal ring changed by needs, most top layer seal ring is only needed to take away, facilitate the replacing of seal ring, when the utility model gas kitchen pipe joint connects with outer combustion gas pipe, outer combustion gas pipe is only needed to be threaded with loose joint sleeve, screw loose joint sleeve, the mouth of pipe wall of outside fuel tube is extend in seal groove push against.
Further, seal ring described in multilayer comprises top layer, mesosphere, bottom three-layer sealed circle altogether, the upper-lower seal anchor ring of described mesosphere seal ring is circumferentially with the width size annular groove suitable with fuel tube mouth of pipe pipe thickness along it, and the lower seal anchor ring of described top layer seal ring is respectively equipped with on the upper sealing ring face of bottom seal ring the annular protrusion matched with described annular groove.
Pass through technique scheme, when seal ring is squeezed, the pressure that top layer seal ring is subject to is converted to deformation, and extrude mesosphere seal ring, by that analogy, internal stress size suffered by self is delivered in mesosphere seal ring and bottom seal ring, after top layer seal ring is aging, only need to take out top layer seal ring, then screw loose joint sleeve, the mouth of pipe wall of outer combustion gas pipe is deep in annular groove push against, convenient and swift, by arranging annular groove, also top layer is made, mesosphere, for position axially can only relatively rotate and the translation of non-horizontal directions along it between bottom seal ring, setting like this, too increase sealing between layers.
Further, the internal diameter of seal ring described in multilayer is identical with the internal diameter of bellows.
By above-mentioned setting, can avoid, because the internal diameter of seal ring is less than the internal diameter of body and causes the air-flow in body to block, making the air current flow in bellows steady more smoothly.
Further, described bellows and adaptor tube are made by stainless steel.
Owing to being filled with the materials such as oil smoke moisture in kitchen, corrosion or corrosion can be caused to gas kitchen pipe joint, therefore, select stainless steel to be the bellows and the adaptor tube that manufacture the utility model gas kitchen pipe joint.
Further, described loose joint sleeve is made of copper and its outer wall is provided with faceted pebble.
By arranging faceted pebble, convenient screwing to loose joint sleeve in installation process, because loose joint sleeve socket is coated on adaptor tube outside, the characteristic such as needs higher corrosion-resistant, oil resistant to invade, therefore selects copper as the material of making loose joint sleeve.
Compared with prior art, the seal ring that the utility model is placed by arranging multiple-layer horizontal overlap in gas kitchen pipe joint, the stress suffered by seal ring connected with outer combustion gas pipe is reduced, delay it aging, and after the seal ring connected with outer combustion gas pipe is aging, change also very convenient, structure is simple, convenient and practical.
Accompanying drawing explanation
Fig. 1 is partial sectional view of the present utility model;
Fig. 2 is the enlarged view in A portion in Fig. 1.
Accompanying drawing mark: 1, bellows, 2, faceted pebble, 3, adaptor tube, 4, loose joint sleeve, 5, ring-shaped step, 6, black box, 7, seal groove, 8, internal thread, 9, top layer seal ring, 10, mesosphere seal ring, 11, bottom seal ring, 12, annular groove, 13, annular protrusion.
Embodiment
With reference to Fig. 1-2, the utility model embodiment is described further.
A kind of gas kitchen pipe joint, comprise the bellows 1 being provided with equidistant bulge loop and the joint component being arranged on bellows 1 end, joint component comprises adaptor tube 3, loose joint sleeve 4 and black box 6, adaptor tube 3 and bellows 1 are wholely set, adaptor tube 3 internal-and external diameter is greater than the internal-and external diameter of bellows 1 and forms ring-shaped step 5 in the joint with bellows 1, black box 6 comprises the rubber seal that multiple-layer horizontal overlap is placed, multilayer rubber sealing ring to be all embedded in adaptor tube 3 and to be positioned at the rubber seal of the bottom and ring-shaped step 5 inwall is close to, the rubber seal of most top layer is away from the sealing ring surface of bellows 1 is circumferentially with the width seal groove 7 suitable with fuel tube mouth of pipe pipe thickness along it, on the outer wall that loose joint sleeve 4 is socketed on adaptor tube 3 and its inwall is provided with internal thread 8, the length of loose joint sleeve 4 is greater than the length of adaptor tube 3.
Using method, when the utility model gas kitchen pipe joint connects with outer combustion gas pipe, outer combustion gas pipe is only needed to be threaded with loose joint sleeve 4, screw loose joint sleeve 4, the mouth of pipe wall of outside fuel tube is extend in seal groove 7 push against, in order to reach better sealing effect, outside fuel tube needs to extrude the rubber seal of most top layer, when outer combustion gas pipe extrudes the rubber seal of most top layer, the most stressed generation deformation of top layer seal ring, seal groove 7 seals the fuel tube mouth of pipe, because rubber seal has multilayer, when most top layer seal ring stress and deformation, also there is deformation accordingly in the seal ring be positioned over below most top layer seal ring, therefore, decrease most extruding suffered by top layer seal ring, its internal stress also can reduce accordingly, thus delayed the aging speed of most top layer seal ring, after most top layer seal ring is aging, when seal ring changed by needs, most top layer seal ring is only needed to take away, facilitate the replacing of seal ring.
Describe in detail, in the present embodiment, multi-layer sealed circle comprises top layer, mesosphere, bottom is three-layer sealed circle altogether, certainly, also can select to be no less than two-layer seal ring level overlap as required to place, the upper-lower seal anchor ring of mesosphere seal ring 10 is circumferentially with the width size annular groove 12 suitable with fuel tube mouth of pipe pipe thickness along it, the lower seal anchor ring of top layer seal ring 9 is respectively equipped with on the upper sealing ring face of bottom seal ring 11 annular protrusion 13 matched with annular groove 12, when seal ring is squeezed, the pressure that top layer seal ring 9 is subject to is converted to deformation, and extrude mesosphere seal ring 10, by that analogy, internal stress size suffered by self is delivered to mesosphere seal ring 10 with bottom seal ring 11, after top layer seal ring 9 is aging, only need to take out top layer seal ring 9, then screw loose joint sleeve 4, the mouth of pipe wall of outer combustion gas pipe is deep in annular groove 12 push against, convenient and swift, by arranging annular groove 12, also top layer is made, mesosphere, for position axially can only relatively rotate and the translation of non-horizontal directions along it between bottom seal ring, setting like this, too increase sealing between layers.
In order to avoid causing the air-flow in body to block because the internal diameter of seal ring is less than the internal diameter of body, make the air current flow in bellows 1 steady more smoothly, the internal diameter of multi-layer sealed circle is identical with the internal diameter of bellows 1.
Owing to being filled with the materials such as oil smoke moisture in kitchen, can cause corrosion or corrosion to gas kitchen pipe joint, therefore, preferred stainless steel of selecting is the bellows 1 and the adaptor tube 3 that manufacture the utility model gas kitchen pipe joint.
Screwing conveniently to loose joint sleeve 4 in installation process, the outer wall of loose joint sleeve 4 is provided with faceted pebble 2, and due to loose joint sleeve 4 socket, to be coated on adaptor tube 3 outside, the characteristic such as needs higher corrosion-resistant, oil resistant to invade, and therefore selects copper as the material of making loose joint sleeve 4.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a gas kitchen pipe joint, comprise the bellows being provided with equidistant bulge loop and the joint component being arranged on corrugated tube end, described joint component comprises adaptor tube, loose joint sleeve and black box, it is characterized in that: described adaptor tube and bellows are wholely set, described adaptor tube internal-and external diameter is greater than the internal-and external diameter of bellows and forms ring-shaped step in the joint with bellows, described black box comprises the rubber seal that multiple-layer horizontal overlap is placed, rubber seal described in multilayer to be all embedded in adaptor tube and to be positioned at the rubber seal of the bottom and ring-shaped step inwall is close to, the rubber seal of most top layer is away from the sealing ring surface of bellows is circumferentially with the width seal groove suitable with fuel tube mouth of pipe pipe thickness along it, on the outer wall that described loose joint sleeve is socketed on described adaptor tube and its inwall is provided with internal thread, the length of described loose joint sleeve is greater than the length of adaptor tube.
2. gas kitchen pipe joint according to claim 1, it is characterized in that: seal ring described in multilayer comprises top layer, mesosphere, bottom three-layer sealed circle altogether, the upper-lower seal anchor ring of described mesosphere seal ring is circumferentially with the width size annular groove suitable with fuel tube mouth of pipe pipe thickness along it, and the lower seal anchor ring of described top layer seal ring is respectively equipped with on the upper sealing ring face of bottom seal ring the annular protrusion matched with described annular groove.
3. gas kitchen pipe joint according to claim 2, is characterized in that: the internal diameter of seal ring described in multilayer is identical with the internal diameter of bellows.
4. gas kitchen pipe joint according to claim 3, is characterized in that: described bellows and adaptor tube are made by stainless steel.
5. gas kitchen pipe joint according to claim 4, is characterized in that: described loose joint sleeve is made of copper and its outer wall is provided with faceted pebble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652480.XU CN204922282U (en) | 2015-08-27 | 2015-08-27 | Fire the pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652480.XU CN204922282U (en) | 2015-08-27 | 2015-08-27 | Fire the pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922282U true CN204922282U (en) | 2015-12-30 |
Family
ID=54971408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520652480.XU Expired - Fee Related CN204922282U (en) | 2015-08-27 | 2015-08-27 | Fire the pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922282U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323060A (en) * | 2018-10-31 | 2019-02-12 | 佛山市荣盛龙橡胶密封件有限公司 | Sealing rubber ring is used in a kind of connection of water pipe |
| CN110822201A (en) * | 2019-12-04 | 2020-02-21 | 宁波米勒管道科技有限公司 | Double-layer sealed flexible stainless steel composite pipe joint |
| CN115493144A (en) * | 2022-08-03 | 2022-12-20 | 赵丙旭 | A low nitrogen oxide gas burner for an industrial furnace |
-
2015
- 2015-08-27 CN CN201520652480.XU patent/CN204922282U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323060A (en) * | 2018-10-31 | 2019-02-12 | 佛山市荣盛龙橡胶密封件有限公司 | Sealing rubber ring is used in a kind of connection of water pipe |
| CN110822201A (en) * | 2019-12-04 | 2020-02-21 | 宁波米勒管道科技有限公司 | Double-layer sealed flexible stainless steel composite pipe joint |
| CN115493144A (en) * | 2022-08-03 | 2022-12-20 | 赵丙旭 | A low nitrogen oxide gas burner for an industrial furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190827 |