CN203743683U - Assembly for connecting flexible tube with hard tube - Google Patents
Assembly for connecting flexible tube with hard tube Download PDFInfo
- Publication number
- CN203743683U CN203743683U CN201420122233.4U CN201420122233U CN203743683U CN 203743683 U CN203743683 U CN 203743683U CN 201420122233 U CN201420122233 U CN 201420122233U CN 203743683 U CN203743683 U CN 203743683U
- Authority
- CN
- China
- Prior art keywords
- endoporus
- cap head
- attaching nut
- tube
- lock tube
- 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 - Lifetime
Links
- 238000012856 packing Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model relates to tube connecting assemblies, in particular to an assembly for connecting a flexible tube with a hard tube. The assembly for connecting the flexible tube with the hard tube comprises a connecting nut, a rubber gasket, a tube locking mandrel, a threaded gasket and a sealing ring. An inner hole of the connecting nut is a big-end-up three-level stepped hole, wherein the big end of the inner hole is provided with internal threads, a first step surface is formed between the middle section of the inner hole and the big end of the inner hole, and a second step surface is formed between the middle section of the inner hole and the small end of the inner hole. The upper end of the tube locking mandrel is a cap head with a large outer diameter, and the portion, below the upper end, of the tube locking mandrel is an insertion tube with a small outer diameter. The cap head of the tube locking mandrel is arranged on the middle section of the inner hole of the connecting nut and abuts against the second step surface. The insertion tube penetrates through the small end of the inner hole of the connecting nut to extend downwards. The threaded gasket is screwed at the big end of the inner hole of the connecting nut and abuts against the first step surface, and a gap is reserved between the threaded gasket and the cap head of the tube locking mandrel. The rubber gasket is installed in the big end of the inner hole of the connecting nut and abuts against the upper end face of the threaded gasket. An annular groove is formed in the outer circumferential surface of the cap head of the tube locking mandrel, and the sealing ring is installed in the annular groove to seal the gap between the cap head and the middle section of the inner hole of the connecting nut. By the adoption of the assembly for connecting the flexible tube with the hard tube, the phenomenon that since the flexible tube twists and rotates, water leakage is caused, and the service life is influenced is avoided.
Description
Technical field
The utility model relates to a kind of pipe coupling component.
Background technique
In daily life, often can encounter the problem that flexible pipe need to be connected with hard tube.As shown in Figure 1, it is made up of attaching nut 1, rubber washer 2 and lock tube mandrel 3 a kind of traditional connection part.Three grades of shoulder holes that the endoporus that is used for the attaching nut 1 who is connected with hard tube end outside thread is upper big, lower small, wherein the inwall of the large end 11 of this endoporus is provided with internal thread 111 to spin mutually with hard tube, the inwall in attaching nut 1 endoporus stage casing 12 forms First terrace between the two with the inwall of large end 11, and the inwall in attaching nut 1 endoporus stage casing 12 and the inwall of small end 13 form second step face between the two.The upper end portion of lock tube mandrel 3 is the cap head 31 that external diameter is larger, and cap head is the intubate 32 that external diameter is less below 31, and the circular groove 331 of enlarged-diameter is established in endoporus 33 upper end portions of lock tube mandrel 3.The cap head 31 of lock tube mandrel 3 is arranged in attaching nut 1 stage casing 12, the second step face of lower end surface contact attaching nut 1 endoporus of cap head 31.The intubate 32 of lock tube mandrel 3 is stretched out downwards through attaching nut's 1 endoporus small end 13.Rubber washer 2 is installed on the bottom of the large end 11 of attaching nut's 1 endoporus the upper-end surface of contact lock tube mandrel 3 cap heads 31.The endoporus 21 of rubber washer 2 docks the circular groove 331 on lock tube mandrel 3 tops.Because the upper-end surface of this cap head 31 is arranged on attaching nut's 1 endoporus First terrace, after screwing hard tube, the lower end surface of hard tube by rubber washer 2 to pressing down, rubber washer 2 will be realized sealing between hard tube, attaching nut's 1 endoporus and the cap head 31 of lock tube mandrel 3, and the endoporus of hard tube can only be communicated with the endoporus of lock tube mandrel 3 33.The intubate 32 of lock tube mandrel 3 is inserted in flexible pipe upper end, and the multiple tracks ring-type chamfered edge 321 of lock tube mandrel 3 intubate 32 peripheries can prevent that flexible pipe from coming off and preventing that intubate 32 and flexible pipe joint from revealing.
From the Placement of traditional connection part and hard tube, in the time that attaching nut 1 is connected with hard tube, although hard tube compression rubber washer 2 can reach the effect of sealing, but the axial pressure that rubber washer 2 bears can be directly delivered to the cap head 31 of lock tube mandrel 3 and attaching nut 1 second step, make cap head 31 diebacks of lock tube mandrel 3 in attaching nut 1, lock tube mandrel 3 is linked to be an entirety with hard tube.In in use distortion of flexible pipe when rotation so, because lock tube mandrel 3 can not rotate relative to attaching nut 1 and hard tube, the joint of lock tube mandrel 3 and flexible pipe easily leaks and the distortion action repeatedly of flexible pipe can affect life-span of lock tube mandrel 3 intubate 32.
Model utility content
The purpose of this utility model is to provide a kind of assembly soft, hard tube that connects, and can prevent from rotating because of hose twist the life-span that causes itself and lock tube mandrel intubate joint to leak and affect lock tube mandrel.
The technical solution of the utility model is: a kind ofly connect assembly soft, hard tube, it comprises attaching nut, rubber washer and lock tube mandrel, attaching nut's endoporus is three grades of shoulder holes of upper big, lower small, and the large end of endoporus is provided with to form between internal thread, endoporus stage casing and large end and between First terrace, endoporus stage casing and small end, forms second step face; Lock tube mandrel upper end portion is the cap head that external diameter is larger, and cap head is the intubate that external diameter is less below; The cap head of lock tube mandrel is arranged in the stage casing of attaching nut's endoporus, the second step face of the lower end surface contact attaching nut endoporus of cap head; The intubate of lock tube mandrel is stretched out downwards through attaching nut's endoporus small end; It also comprises screw thread packing ring and seal ring, and screw thread packing ring is screwed on the large end of attaching nut's endoporus contact First terrace, between the upper-end surface of lock tube mandrel cap head and the lower end surface of screw thread packing ring, leaves gap; Rubber washer is arranged in the large end of attaching nut's endoporus and contact screw thread packing ring upper-end surface; The outer circumferential face of lock tube mandrel cap head is established annular groove and seal ring is installed, the gap between seal ring Sealed lock tube core axle cap head periphery and attaching nut's endoporus stage casing sidewall.
When use, the internal thread of the large end of attaching nut's endoporus spins mutually with hard tube, the lower end surface of hard tube is by rubber washer to pressing down, and rubber washer will be realized sealing between hard tube and the large end of attaching nut's endoporus, and the endoporus of hard tube can only be communicated with the endoporus of screw thread packing ring.The intubate of lock tube mandrel is inserted in flexible pipe upper end.Carry out support rubber packing ring owing to screw thread packing ring being installed in the bottom of the large end of attaching nut's endoporus, and stay gap between the cap head of lock tube mandrel and screw thread packing ring, hard tube passes to screw thread packing ring axial pressure when being screwed in the internal thread on attaching nut's endoporus and compressing rubber washer can't be delivered on lock tube mandrel, thereby ensure that lock tube mandrel keeps independent in attaching nut's endoporus stage casing, lock tube mandrel all the time relatively attaching nut rotate freely, after the intubate of lock tube mandrel is connected with flexible pipe, once hose twist rotation, lock tube mandrel just can rotate thereupon, between the intubate of lock tube mandrel and flexible pipe, there is no interaction force.So can prevent hose twist rotation leaks and affects the life-span; In addition, seal ring is installed in the annular groove of lock tube mandrel cap head periphery, can spill from the gap between periphery and attaching nut's endoporus small end of lock tube mandrel cap head by effectively anti-sealing.
The endoporus of described screw thread packing ring is regular hexagon or just tetragonal.Can use general outer hexagon or outer cubic spanner install and adjust screw thread packing ring.And the endoporus symmetry properties of this screw thread packing ring is high, be easy to processing.
The utility model connection is soft, the beneficial effect of the assembly of hard tube is: first, do local transformation with respect to the product of prior art, just can ensure that lock tube mandrel can relative attaching nut rotate freely, once hose twist rotation in use, lock tube mandrel just can rotate thereupon, has solved hose twist rotation and has made itself and lock tube mandrel intubate joint leak and affect the lock tube mandrel problem in intubate life-span; It is more convenient to use, and product is more durable.The second, the product of the relative prior art of product of the present utility model has only increased screw thread packing ring and seal ring, and the cap head of lock tube mandrel done local transformation, and these additional structural changes are few, is easy to processing and assembling, and fringe cost is low.The 3rd, because the product of the relative prior art of product of the present utility model is more durable, long-term use also can be saved user's spending.
Brief description of the drawings
Fig. 1 is that tradition connection is soft, the cross-sectional view of the assembly of hard tube;
Fig. 2 is that the utility model connection is soft, the explosive view of the assembly of hard tube;
Fig. 3 is that the utility model connects the cross-sectional view after the assembled of soft, hard tube.
Embodiment
The utility model connection is soft, the composition of the assembly of hard tube, and as shown in Figure 2, this assembly has five parts such as attaching nut 10, rubber washer 20, lock tube mandrel 30, screw thread packing ring 40 and seal ring 50.Situation after its assembling, please refer to Fig. 3.
Attaching nut 10 endoporus is three grades of shoulder holes of upper big, lower small, and the large end 101 of endoporus is provided with between internal thread 1011, endoporus stage casing 102 and large end 101 and forms between First terrace, endoporus stage casing 102 and small end 103 and form second step face.The rubber washer 2 of ring can be put into attaching nut 10 the large end 101 of endoporus slidably.
Lock tube mandrel 30 upper end portions are the cap head 301 that external diameter is larger, and cap head is the intubate 302 that external diameter is less below 301; The outer circumferential face of lock tube mandrel 30 cap heads 301 is established annular groove 3011 and seal ring 50 is installed.The circular groove 3031 of enlarged-diameter is established in endoporus 303 upper end portions of lock tube mandrel 30.
The cap head 301 of lock tube mandrel 30 is arranged in the stage casing 102 of attaching nut's 10 endoporus, the second step face of lower end surface contact attaching nut 10 endoporus of cap head 301; Gap between seal ring 50 Sealed lock tube core axle 30 cap head 301 peripheries and attaching nut's 10 endoporus stage casing 102 sidewalls.The intubate 302 of lock tube mandrel 30 is stretched out downwards through attaching nut's 10 endoporus small ends 103.
Screw thread packing ring 40 is established externally threaded circular ring plate for periphery, and the endoporus 401 of screw thread packing ring 40 is regular hexagon (or just tetragonal).Screw thread packing ring 40 is screwed on attaching nut's large end 101 of 10 endoporus contact First terrace, between the upper-end surface of lock tube mandrel 30 cap heads 301 and the lower end surface of screw thread packing ring 40, leaves gap.
When use, first the outside thread of hard tube lower end and the internal thread 1011 of the large end 10 of attaching nut's 10 endoporus are spun mutually, the lower end surface that makes hard tube by rubber washer 20 to pressing down, rubber washer 20 is realized sealing between hard tube and the large end 101 of attaching nut's 10 endoporus, and the endoporus of hard tube can only be communicated with the endoporus 303 of lock tube mandrel 30 through the endoporus of screw thread packing ring 40 401.Again the intubate of lock tube mandrel 30 302 is inserted in to flexible pipe upper end.The multiple tracks ring-type chamfered edge 3021 of lock tube mandrel 30 intubate 302 peripheries can prevent that flexible pipe from coming off and preventing that intubate 302 and flexible pipe joint from revealing.
Once hose twist rotation, lock tube mandrel 30 just can rotate relative to attaching nut 10 thereupon, between the intubate 302 of lock tube mandrel 30 and flexible pipe, there is no interaction force.So can prevent hose twist rotation leaks and affects the life-span.Be installed on the seal ring 50 in lock tube mandrel 30 cap head 301 periphery annular grooves 3011, can spill from the gap between periphery and attaching nut's 10 endoporus small ends 103 of lock tube mandrel 30 cap heads 301 by effectively anti-sealing.
Above-described embodiment is only used for illustrating that the utility model connection is soft, the composition of the assembly of hard tube and basic annexation; but the utility model is not limited to this embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done, all belong in the protection domain of technical solutions of the utility model.
Claims (2)
1. the assembly of soft, the hard tube of a connection, it comprises attaching nut, rubber washer and lock tube mandrel, attaching nut's endoporus is three grades of shoulder holes of upper big, lower small, and the large end of endoporus is provided with to form between internal thread, endoporus stage casing and large end and between First terrace, endoporus stage casing and small end, forms second step face; Lock tube mandrel upper end portion is the cap head that external diameter is larger, and cap head is the intubate that external diameter is less below; The cap head of lock tube mandrel is arranged in the stage casing of attaching nut's endoporus, the second step face of the lower end surface contact attaching nut endoporus of cap head; The intubate of lock tube mandrel is stretched out downwards through attaching nut's endoporus small end; It is characterized in that: it also comprises screw thread packing ring and seal ring, screw thread packing ring is screwed on the large end of attaching nut's endoporus contact First terrace, between the upper-end surface of lock tube mandrel cap head and the lower end surface of screw thread packing ring, leaves gap; Rubber washer is arranged in the large end of attaching nut's endoporus and contact screw thread packing ring upper-end surface; The outer circumferential face of lock tube mandrel cap head is established annular groove and seal ring is installed, the gap between seal ring Sealed lock tube core axle cap head periphery and attaching nut's endoporus stage casing sidewall.
2. the assembly of soft, the hard tube of connection according to claim 1, is characterized in that: the endoporus of described screw thread packing ring is regular hexagon or quadrangle just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122233.4U CN203743683U (en) | 2014-03-18 | 2014-03-18 | Assembly for connecting flexible tube with hard tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122233.4U CN203743683U (en) | 2014-03-18 | 2014-03-18 | Assembly for connecting flexible tube with hard tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743683U true CN203743683U (en) | 2014-07-30 |
Family
ID=51343484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420122233.4U Expired - Lifetime CN203743683U (en) | 2014-03-18 | 2014-03-18 | Assembly for connecting flexible tube with hard tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101733352B1 (en) * | 2016-01-13 | 2017-05-24 | 서천석 | A hose for tangle preventing funtion |
-
2014
- 2014-03-18 CN CN201420122233.4U patent/CN203743683U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101733352B1 (en) * | 2016-01-13 | 2017-05-24 | 서천석 | A hose for tangle preventing funtion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 building 37, Huli garden, Tongan Industrial Concentration Area, Fujian, Xiamen Patentee after: Xiamen Walda Intelligent Technology Co.,Ltd. Address before: 361000 building 37, Huli garden, Tongan Industrial Concentration Area, Fujian, Xiamen Patentee before: Harda (Xiamen) Plastic Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |