CN205383366U - Double containment anticreep formula connecting device - Google Patents
Double containment anticreep formula connecting device Download PDFInfo
- Publication number
- CN205383366U CN205383366U CN201521055714.9U CN201521055714U CN205383366U CN 205383366 U CN205383366 U CN 205383366U CN 201521055714 U CN201521055714 U CN 201521055714U CN 205383366 U CN205383366 U CN 205383366U
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- steel pipe
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- connecting device
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Abstract
The utility model provides a double containment anticreep formula connecting device, it includes hollow joint, sealing washer, steel pipe, the sealed pad and gland nut, the hole of the one end axial attachment plug of steel pipe and on the steel pipe fixed connection the ring flange with connect the sealing washer sealing connection who sets up on the hole, steel pipe and articulate are passed to the gland nut axial, sealed pad is located between gland nut, joint, ring flange and the steel pipe, thereby should sealed pad can transmit the axial force of screwing up gland nut and applying for ring flange and then transmission give the steel pipe to the steel pipe with connect the rotation that realizes two sealing connection and can prevent the steel pipe, it utilizes, and the dual -seal structure of mounting flange formula overcomes the rusty problem of welding seam on the steel pipe to overall structure scientific and reasonable, installation and convenient operation maintain and change simply that firm in connection is reliable, and be sealed effectual, easily penetration and promotion use, it extensively is applicable to various hydraulic tubing's connection and uses, is particularly suitable for supporting use of connection of air ability water heater honeycomb duct.
Description
Technical field
This utility model relates to a kind of Double-sealing anti-drop formula connecting device.
Background technology
Along with the raising of people's living standard, huge numbers of families come into by water heater；Existing water heater can be divided into electric heater, gas heater, solar water heater, air-source water heater and speed magnetic domestic hot-water's device five kinds；The development of science and technology promotes air-source water heater to enter the new stage, owing to air-source water heater power consumption is relatively low, use the advantages such as safe, free from environmental pollution and long service life to make it become a current new industry.
As it is shown on figure 3, with adopting, welding manner is fixing to be connected between steel pipe and the joint axially penetrating through water tank wall in the water tank of water heater；Because the water tank of air-source water heater needs the pressure born to be 0.7MPA, and the water in water tank constantly circulates and produces cycle pulse pressure, requiring that pressure vessel must can bear the cycle pulse pressure of more than 100,000 times according to national regulations, therefore the hot water mozzle in the joint of air-source water heater and water tank is generally adopted the mode of welding and links together；But owing to the welding position of hot water mozzle is direct and hot water contacts, after using a period of time, weld seam there will be corrosion and causes and leak, and causes that the service life of air-source water heater reduces；And joint and hot water mozzle adopt and be welded to connect, cause the maintenance to water heater and change difficulty.
Earlier application utility model patent 201320132648.5 discloses a kind of sealed ferrule joint, it solve the technical problem being tightly connected existed in this area, but it is not involved with steel pipe and deviates from the problem with anti-rotation, and process and assembly technology relative complex, cause that manufacturing cost promotes relatively.
Summary of the invention
For above-mentioned situation, this utility model purpose is in that to provide a kind of Double-sealing anti-drop formula connecting device, and it utilizes the problem that the double sealing structure of adpting flange disc type overcomes weld seam to get rusty on steel pipe；And overall structure is scientific and reasonable, install and easy to operate, safeguard and change simple, firm and reliable connection, good sealing effect, it is easy to promote the popularization use.
For realizing above-mentioned task, a kind of Double-sealing anti-drop formula connecting device, it includes the joint of hollow, sealing ring, steel pipe, sealing gasket and clamp nut；The endoporus of described joint is provided with step for placing sealing ring, endoporus that one end of described steel pipe is axially inserted into joint the sealing ring arranged on the fixing ring flange connected and coupler bore on steel pipe are tightly connected, described clamp nut is connected with joint axially across steel pipe, described sealing gasket is located at clamp nut, joint, between steel pipe and ring flange, this sealing gasket is pressed in nut in the axial direction, between joint and ring flange, sealing gasket at radial compaction between nut and steel pipe, the axial force transmission that this sealing gasket can apply tightening clamp nut is to ring flange and then passes to steel pipe thus steel pipe and joint realize the rotation that double containment connects and can prevent steel pipe.
For realizing this utility model structure, effect optimization, its further step: one end of described sealing gasket is provided with the annular boss of hollow, and during installation, this annular boss is axially inserted in the circumference radial clearance of steel pipe and joint.
Described coupler bore is provided with the outer round surface of step one end and is provided with external screw thread and is equipped with clamp nut.
The cross sectional shape of described ring flange is circular and is welded on the outer round surface of steel pipe, and the end face distance of described ring flange and steel pipe is sized larger than being equal to the diameter dimension of sealing ring.
One end of described clamp nut is provided with the annular chassis of hollow for applying axial force to sealing gasket, and described annular chassis processes with clamp nut is one-body molded.
Described joint, steel pipe and clamp nut all adopt stainless steel material to make.
Described sealing ring and sealing gasket all adopt EPDM rubber material to make.
Described coupler bore is provided with one end of step and is arranged in the water tank of water heater, and the other end is protruding axially across water tank wall.
The dimension of inner screw thread of described clamp nut is G1/2 made in Great Britain.
This utility model provides a kind of Double-sealing anti-drop formula connecting device, and it includes the joint containing stepped ramp type endoporus, is arranged on the sealing ring in water tank, steel pipe, sealing gasket and nut；The axial one end of described joint is arranged in water tank, and the other end is arranged on outside water tank, and the step of described endoporus is arranged in water tank；Described sealing ring is arranged on the step place of described endoporus, endoporus that one end of described steel pipe is axially inserted into joint the sealing ring arranged on the fixing ring flange connected and coupler bore on steel pipe are tightly connected, described nut is connected with joint axially across steel pipe, the female thread of nut mates with the external screw thread of joint, described sealing gasket is located at nut, joint, between ring flange and steel pipe, sealing gasket is pressed between nut and joint and ring flange in the axial direction, sealing gasket at radial compaction between nut and steel pipe, the axial force transmission that fastening nut can be applied by this sealing gasket is to ring flange and then passes to steel pipe thus steel pipe and joint realize the technical scheme of rotation that double containment connects and can prevent steel pipe；It utilizes the problem that the double sealing structure of adpting flange disc type overcomes weld seam to get rusty on steel pipe, and overall structure is scientific and reasonable, installs and easy to operate, safeguards and changes simple, firm and reliable connection, good sealing effect, it is easy to promote the popularization use.
This utility model is produced beneficial effect compared to existing technology:
I, this utility model adopts welding flange on the outer round surface of steel pipe, the effect that energy effective guarantee is tightly connected, and can effectively prevent steel pipe from deviating from from joint, ensures firm and reliable connection；
II, this utility model adopts and is respectively provided with sealing ring and sealing gasket to both sides at the stub shaft of steel pipe, realize double containment waterproof construction, sealed waterproof effect is good, and isolate hot water to contact with the direct of weld seam, can effectively prevent weld seam from getting rusty, improve the service life of equipment, service life of the products was up to more than 15 years；
III, this utility model adopts and is respectively provided with sealing ring and sealing gasket in the ring flange both sides of steel pipe, can effective buffered water cycle pulse pressure, ensureing stability and the sealing of attachment structure further, pulse test can reach more than 100,000 times, extends the service life of equipment；
IV, sealing ring of the present utility model and sealing gasket all adopt EPDM rubber material, can can life-time service at 120 DEG C, and there is excellent acid-alkali-corrosive-resisting, resistance to superheated water performance, room temperature mobility and good springiness, water cycle pulse pressure experiment can reach more than 100,000 times, and life-time service will not deform with aging；
V, this utility model adopts and arranges the sealing gasket with annular boss in the circumference radial clearance of steel pipe and joint, increase the coefficient of friction between steel pipe and joint, can effectively prevent steel pipe from producing because bearing water cycle pulse pressure to rotate, and further increase the effect being tightly connected；
VI, this utility model adopts the problem that the double sealing structure of adpting flange disc type overcomes weld seam to get rusty on steel pipe, and overall structure is scientific and reasonable, installs and easy to operate, safeguard and change simple, firm and reliable connection, good sealing effect, wide market, it is simple to promote the use of.
This utility model is widely used in the connection of various conduit under fluid pressure and uses, and the connection being particularly suitable for air-source water heater mozzle supports the use.
Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.
Fig. 1 is overall structure sectional view of the present utility model.
Fig. 2 is the partial enlarged drawing of H position in Fig. 1.
Fig. 3 is the overall structure sectional view of prior art.
In figure: 1-joint, 11-step, 2-sealing ring, 3-steel pipe, 31-ring flange, 4-sealing gasket, 41-annular boss, 5-clamp nut, 51-annular chassis, 6-water tank wall, 7-weld seam, H-Local map labelling.
Detailed description of the invention
With reference to accompanying drawing, this utility model is achieved in that a kind of Double-sealing anti-drop formula connecting device, and it includes the joint 1 of hollow, sealing ring 2, steel pipe 3, sealing gasket 4 and clamp nut 5；The endoporus of described joint 1 is provided with step 11 for placing sealing ring 2, endoporus that one end of described steel pipe 3 is axially inserted into joint 1 sealing ring 2 arranged on the fixing ring flange 31 connected and joint 1 endoporus on steel pipe 3 are tightly connected, described clamp nut 5 is connected with joint 1 axially across steel pipe 3, described sealing gasket 4 is located at clamp nut 5, joint 1, between steel pipe 3 and ring flange 31 4, this sealing gasket 4 is pressed in nut 5 in the axial direction, between joint 1 and ring flange 31, sealing gasket 4 at radial compaction between nut 5 and steel pipe 3, the axial force transmission that this sealing gasket 4 can apply tightening clamp nut 5 is to ring flange 31 and then passes to steel pipe 3 thus steel pipe 3 and joint 1 realize the rotation that double containment connects and can prevent steel pipe 3.
Being provided with external screw thread be equipped with as it is shown in figure 1, the endoporus of joint 1 of the present utility model is provided with the outer round surface of step one end with clamp nut 5, described thread size is preferably G1/2 made in Great Britain；The cross sectional shape of described ring flange 31 is circular and is welded on the outer round surface of steel pipe 3 one end, and this ring flange 31 can effectively prevent steel pipe 3 from deviating from from joint 1 endoporus, ensures firm and reliable connection；The end face distance size of described ring flange 31 and steel pipe 3 is equal to the diameter dimension more than sealing ring 2, the sealing effectiveness of energy effective guarantee ring flange 31 and sealing ring 2；One end of described clamp nut 5 is provided with the annular chassis 51 of hollow for applying axial force to sealing gasket 4, this annular chassis 51 adopts one-body molded processing with clamp nut 5, clamp nut 5 is used to connect fixing steel pipe 3 and joint 1, it is easy to flexible sealing effectiveness and seal degree, mounts and dismounts more convenient simultaneously；Described joint 1, steel pipe 3 and clamp nut 5 all adopt stainless steel material to make, it is preferred to use 304 stainless steel materials, can effectively prevent from reducing because getting rusty the service life of equipment.
As in figure 2 it is shown, one end of sealing gasket 4 of the present utility model is provided with the annular boss 41 of hollow, during installation, this annular boss 41 is axially inserted in the circumference radial clearance of steel pipe 3 and joint 1, can effectively prevent steel 3 pipe because bearing water cycle pulse pressure without rotating；Described sealing ring 2 and sealing gasket 4 all adopt EPDM rubber material to make, described EPDM rubber material is ethylene propylene diene rubber, can can life-time service at 120 DEG C, there is excellent acid-alkali-corrosive-resisting, resistance to superheated water performance, has electrical insulation capability and corona resistance, room temperature mobility and the good springiness of excellence, this EPDM rubber material can effective buffered water cycle pulse pressure, pulse test can reach more than 100,000 times and will not deform with aging；One end that described joint 1 endoporus is provided with step 11 is arranged in the water tank of water heater, and the other end is protruding axially across water tank wall 6；Steel pipe 3, sealing ring 2, sealing gasket 4 and the clamp nut 5 being connected with joint 1 may be contained within the water tank of water heater.
In conjunction with accompanying drawing, assemble flow of the present utility model is: first by protruding axially across the through hole on the water tank wall 6 of water heater for one end of joint 1 and adopt nut and water tank wall 6 to be tightly connected, and is then placed on by sealing ring 2 on the step 11 of the axial bore that one end is located in water tank by joint 1；Being welded on by ring flange 31 subsequently on the outer round surface of steel pipe 3 one end, need to ensure that ring flange 31 is parallel with the end face of steel pipe 3 and isolates certain distance, described distance is equal to the diameter dimension more than sealing ring 2, and after welding, cooling is removed slag；Then the welding ends of steel pipe 3 is axially inserted in the endoporus of joint 1, ring flange 31 need to be made to be close to sealing ring 2；Then installing sealing gasket 4 again makes annular boss 41 insert in the circumference radial clearance of steel pipe 3 and joint 1, is finally connected with joint 1 axially across steel pipe 3 by clamp nut 5 and tightens；Described joint 1 is positioned at the one end outside water tank and connects the metal hose of shower nozzle again so that the hot water in air energy water heater water tank is derived through steel pipe 3 and joint 1.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations；All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (9)
1. a Double-sealing anti-drop formula connecting device, it is characterised in that include the joint (1) of hollow, sealing ring (2), steel pipe (3), sealing gasket (4) and clamp nut (5)；nullThe endoporus of described joint (1) is provided with step (11) and is used for placing sealing ring (2)，One end of described steel pipe (3) is axially inserted into the endoporus of joint (1) and is tightly connected with the sealing ring (2) of setting on joint (1) endoporus through the upper fixing ring flange (31) connected of steel pipe (3)，Described clamp nut (5) is connected with joint (1) axially across steel pipe (3)，Described sealing gasket (4) is located at clamp nut (5)、Joint (1)、Between steel pipe (3) and ring flange (31) four，This sealing gasket (4) is pressed in nut (5) in the axial direction、Between joint (1) and ring flange (31)，Sealing gasket (4) at radial compaction between nut (5) and steel pipe (3)，The axial force transmission that this sealing gasket (4) can apply tightening clamp nut (5) is to ring flange (31) and then passes to steel pipe (3) thus steel pipe (3) and joint (1) realize the rotation that double containment connects and can prevent steel pipe (3).
2. a kind of Double-sealing anti-drop formula connecting device according to claim 1, it is characterized in that one end of described sealing gasket (4) is provided with the annular boss (41) of hollow, during installation, this annular boss (41) is axially inserted in the circumference radial clearance of steel pipe (3) and joint (1).
3. a kind of Double-sealing anti-drop formula connecting device according to claim 1, it is characterised in that described joint (1) endoporus is provided with the outer round surface of step (11) one end and is provided with external screw thread and is equipped with clamp nut (5).
4. a kind of Double-sealing anti-drop formula connecting device according to claim 1, it is characterized in that the cross sectional shape of described ring flange (31) is circular and is welded on the outer round surface of steel pipe (3), the end face distance of described ring flange (31) and steel pipe (3) is sized larger than being equal to the diameter dimension of sealing ring (2).
5. a kind of Double-sealing anti-drop formula connecting device according to claim 1, it is characterized in that one end of described clamp nut (5) is provided with the annular chassis (51) of hollow for applying axial force to sealing gasket (4), described annular chassis (51) processes with clamp nut (5) is one-body molded.
6. a kind of Double-sealing anti-drop formula connecting device according to any one in claim 1-5, it is characterised in that described joint (1), steel pipe (3) and clamp nut (5) all adopt stainless steel material to make.
7. a kind of Double-sealing anti-drop formula connecting device according to any one in claim 1-5, it is characterised in that described sealing ring (2) and sealing gasket (4) all adopt EPDM rubber material to make.
8. a kind of Double-sealing anti-drop formula connecting device according to claim 1, it is characterized in that described joint (1) endoporus is provided with one end of step (11) and is arranged in the water tank of water heater, the other end is protruding axially across water tank wall (6).
9. a kind of Double-sealing anti-drop formula connecting device according to claim 1, it is characterised in that the dimension of inner screw thread of described clamp nut (5) is G1/2 made in Great Britain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055714.9U CN205383366U (en) | 2015-12-16 | 2015-12-16 | Double containment anticreep formula connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055714.9U CN205383366U (en) | 2015-12-16 | 2015-12-16 | Double containment anticreep formula connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383366U true CN205383366U (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521055714.9U Expired - Fee Related CN205383366U (en) | 2015-12-16 | 2015-12-16 | Double containment anticreep formula connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383366U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371023A (en) * | 2015-12-16 | 2016-03-02 | 湖南埃瓦新能源科技有限公司 | Dual-seal anti-disengaging type connecting device |
| CN106523816A (en) * | 2016-12-26 | 2017-03-22 | 宁夏软件工程院有限公司 | Close connection device for conveying pipeline for electrolytic metal stock solution |
| CN107747751A (en) * | 2017-11-01 | 2018-03-02 | 广东美的厨房电器制造有限公司 | The clean cycle device and range hood of range hood |
| CN108458919A (en) * | 2018-02-09 | 2018-08-28 | 中国石油大学(华东) | A kind of sealed connection connector, cable crushing test system and connection method |
| CN109028584A (en) * | 2018-06-01 | 2018-12-18 | 益阳茶厂有限公司 | A kind of boiler afterheat heat collector |
| CN110410594A (en) * | 2018-04-27 | 2019-11-05 | 红塔烟草(集团)有限责任公司 | Water level observation pipe connection and attaching method thereof |
| CN112923656A (en) * | 2021-01-20 | 2021-06-08 | 无锡邑文电子科技有限公司 | Cooling, vacuum sealing and insulating device suitable for semiconductor processing photoresist removing process |
-
2015
- 2015-12-16 CN CN201521055714.9U patent/CN205383366U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371023A (en) * | 2015-12-16 | 2016-03-02 | 湖南埃瓦新能源科技有限公司 | Dual-seal anti-disengaging type connecting device |
| CN106523816A (en) * | 2016-12-26 | 2017-03-22 | 宁夏软件工程院有限公司 | Close connection device for conveying pipeline for electrolytic metal stock solution |
| CN107747751A (en) * | 2017-11-01 | 2018-03-02 | 广东美的厨房电器制造有限公司 | The clean cycle device and range hood of range hood |
| CN108458919A (en) * | 2018-02-09 | 2018-08-28 | 中国石油大学(华东) | A kind of sealed connection connector, cable crushing test system and connection method |
| CN108458919B (en) * | 2018-02-09 | 2024-04-05 | 中国石油大学(华东) | Sealing connection joint, cable crushing test system and connection method |
| CN110410594A (en) * | 2018-04-27 | 2019-11-05 | 红塔烟草(集团)有限责任公司 | Water level observation pipe connection and attaching method thereof |
| CN109028584A (en) * | 2018-06-01 | 2018-12-18 | 益阳茶厂有限公司 | A kind of boiler afterheat heat collector |
| CN109028584B (en) * | 2018-06-01 | 2020-07-24 | 益阳茶厂有限公司 | Boiler waste heat collector |
| CN112923656A (en) * | 2021-01-20 | 2021-06-08 | 无锡邑文电子科技有限公司 | Cooling, vacuum sealing and insulating device suitable for semiconductor processing photoresist removing process |
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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: 20160713 Termination date: 20201216 |