CN204004897U - Hollow spiral tube linkage structure - Google Patents
Hollow spiral tube linkage structure Download PDFInfo
- Publication number
- CN204004897U CN204004897U CN201420318016.2U CN201420318016U CN204004897U CN 204004897 U CN204004897 U CN 204004897U CN 201420318016 U CN201420318016 U CN 201420318016U CN 204004897 U CN204004897 U CN 204004897U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- pipe
- seal ring
- lathe dog
- positioning lathe
- 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
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Abstract
The utility model discloses a kind of hollow spiral tube linkage structure, comprise the first pipe fitting, the second pipe fitting, connect pipe box, two seal rings, two positioning lathe dogs; The first pipe fitting assigns into the one end that connects pipe box, the first seal ring and the first positioning lathe dog are all sleeved on the first pipe fitting, the first seal ring and the first positioning lathe dog are all between the outer wall of the first pipe fitting and the inwall of connection pipe box, and the first positioning lathe dog is close to the outside of the first seal ring; The second pipe fitting assigns into the other end that connects pipe box, the second seal ring and the second positioning lathe dog are all sleeved on the second pipe fitting, the second seal ring and the second positioning lathe dog are all between the outer wall of the second pipe fitting and the inwall of connection pipe box, and the second positioning lathe dog is close to the outside of the second seal ring.The utility model is provided with seal ring between pipe fitting and connection pipe box, and positioning lathe dog is also installed, and props up respectively two seal rings, can effectively prevent that seal ring from sliding on pipe fitting, guarantees the reliability of sealing.
Description
Technical field
The utility model relates to mechanical parts field, relates in particular to a kind of hollow spiral tube linkage structure.
Background technique
In prior art, realize the connection of pipe fitting, have a variety of methods, simple the most a kind of be to utilize to connect pipe box connection two pipe fittings: the one end that connects pipe box connects a pipe fitting, and the other end connects another pipe fitting.This kind of Placement simple in structure, easy to connect, is therefore most widely used.
The shortcoming of this kind of Placement is, joint poor sealing, easily occur leaking or leakage of oil, therefore, in order to improve sealing, can seal ring be set at connection pipe box and pipe fitting support to be connected, but after long-time use, seal ring easily moves, and the diameter of pipe especially to be connected is larger, when pressure in pipe is larger, the offset phenomena of seal ring is obvious.
Model utility content
For the deficiency existing in above-mentioned technology, it is a kind of simple in structure that the utility model provides, and can effectively prevent the linkage structure that seal ring moves.
For achieving the above object, the utility model provides a kind of hollow spiral tube linkage structure, comprises the first pipe fitting, the second pipe fitting, connects pipe box, the first seal ring, the second seal ring, the first positioning lathe dog and the second positioning lathe dog;
Described the first pipe fitting assigns into the one end that connects pipe box, described the first seal ring and the first positioning lathe dog are all sleeved on the first pipe fitting, the first seal ring and the first positioning lathe dog are all between the outer wall of the first pipe fitting and the inwall of connection pipe box, and described the first positioning lathe dog is close to the outside of the first seal ring;
Described the second pipe fitting assigns into the other end that connects pipe box, described the second seal ring and the second positioning lathe dog are all sleeved on the second pipe fitting, the second seal ring and the second positioning lathe dog are all between the outer wall of the second pipe fitting and the inwall of connection pipe box, and described the second positioning lathe dog is close to the outside of the second seal ring.
Wherein, described connection pipe box comprises the first sleeve pipe, the second sleeve pipe and intermediate casing, and described the first sleeve pipe and the second sleeve pipe are separately fixed at the two ends of intermediate casing, and the diameter of the first sleeve pipe and the second sleeve pipe is greater than the diameter of intermediate casing; The diameter of described intermediate casing is less than or equal to the diameter of the first pipe fitting and the second pipe fitting; One end of described the first pipe fitting assigns in the first sleeve pipe, and the end of the first pipe fitting leans the one end at intermediate casing; One end of described the second pipe fitting assigns in the second sleeve pipe, and the end of the second pipe fitting leans the other end at intermediate casing.
Wherein, described the first positioning lathe dog is identical with the structure of the second positioning lathe dog; Described the first positioning lathe dog comprises the first semicircle assembly and the second semicircle assembly, one end of one end of described the first semicircle assembly and the second semicircle assembly is hinged, the other end of described the first semicircle assembly is provided with a cassette tape, and described cassette tape is provided with the evenly distributed a plurality of boss of a row; The other end of described the second semicircle assembly is provided with jack, is provided with the Ka Tai tilting to the second direction contrary with first direction in described jack; Described cassette tape assigns in jack, and described card decometer is lived boss.
Wherein, the inner side of described the first positioning lathe dog and the second positioning lathe dog is provided with anti-skidding striped.
The beneficial effects of the utility model are: compared with prior art, the hollow spiral tube linkage structure that the utility model provides, the first pipe fitting assigns into respectively with the second pipe fitting the two ends that are connected pipe box, and the first pipe fitting and the second pipe fitting are communicated with; Between the first pipe fitting and connection pipe box, be provided with the first seal ring, between the second pipe fitting and connection pipe box, be equipped with the second seal ring, two seal rings guarantee two pipe fittings and the connection sealing that is connected pipe box; In addition, the first positioning lathe dog is also installed on the first pipe fitting, the second positioning lathe dog is also installed on the second pipe fitting, two positioning lathe dogs prop up respectively two seal rings, can effectively prevent that seal ring from sliding on pipe fitting, guarantee the reliability of sealing.
Accompanying drawing explanation
Fig. 1 is the explosive view of hollow spiral tube linkage structure of the present utility model;
Fig. 2 is the structural drawing of hollow spiral tube linkage structure of the present utility model;
Fig. 3 is the part sectioned view of hollow spiral tube linkage structure of the present utility model;
Fig. 4 is that the utility model is at the explosive view of first pipe fitting one end;
Fig. 5 is the structural drawing of connection pipe box of the present utility model;
Fig. 6 is the structural drawing of the first positioning lathe dog of the present utility model.
Primary component symbol description is as follows:
11, the first pipe fitting 12, the second pipe fitting
13, connect pipe box 14, the first seal ring
15, the second seal ring 16, the first positioning lathe dog
17, the second positioning lathe dog 131, the first sleeve pipe
132, the second sleeve pipe 133, intermediate casing
161, first semicircle assembly the 162, second semicircle assembly
1611, cassette tape
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1-4, the hollow spiral tube linkage structure that the utility model provides, comprises the first pipe fitting 11, the second pipe fitting 12, connects pipe box 13, the first seal ring 14, the second seal ring 15, the first positioning lathe dog 16 and the second positioning lathe dog 17; The first pipe fitting 11 assigns into the one end that connects pipe box 13, the first seal ring 14 and the first positioning lathe dog 16 are all sleeved on the first pipe fitting 11, the first seal ring 14 and the first positioning lathe dog 16 are all between the outer wall of the first pipe fitting 11 and the inwall of connection pipe box 13, and the first positioning lathe dog 16 is close to the outside of the first seal ring 14; The second pipe fitting 12 assigns into the other end that connects pipe box 13, the second seal ring 15 and the second positioning lathe dog 17 are all sleeved on the second pipe fitting 12, the second seal ring 15 and the second positioning lathe dog 17 are all between the outer wall of the second pipe fitting 12 and the inwall of connection pipe box 13, and the second positioning lathe dog 17 is close to the outside of the second seal ring 15.
Compared to prior art, the hollow spiral tube linkage structure that the utility model provides, the first pipe fitting 11 assigns into respectively with the second pipe fitting 12 two ends that are connected pipe box 13, and the first pipe fitting 11 and the second pipe fitting 12 are communicated with; At the first pipe fitting 11 with connect to be provided with the first seal ring 14, the second pipe fittings 12 between pipe box 13 and to connect and be equipped with 15, two seal rings of the second seal ring between pipe box 13 and guarantee two pipe fittings and the connection sealing that is connected pipe box 13; In addition, the first positioning lathe dog 16 is also installed on the first pipe fitting 11,17, two positioning lathe dogs of the second positioning lathe dog is also installed on the second pipe fitting 12 and props up respectively two seal rings, can effectively prevent that seal ring from sliding on pipe fitting, guarantee the reliability of sealing.
Refer to Fig. 5, in the present embodiment, connect pipe box 13 and comprise the first sleeve pipe 131, the second sleeve pipe 132 and intermediate casing 133, the first sleeve pipe 131 and the second sleeve pipe 132 are separately fixed at the two ends of intermediate casing 133, and the diameter of the first sleeve pipe 131 and the second sleeve pipe 132 is greater than the diameter of intermediate casing 133; The diameter of intermediate casing 133 is less than or equal to the diameter of the first pipe fitting 11 and the second pipe fitting 12; One end of the first pipe fitting 11 assigns in the first sleeve pipe 131, and the end of the first pipe fitting 11 leans the one end at intermediate casing 133; One end of the second pipe fitting 12 assigns in the second sleeve pipe 132, and the end of the second pipe fitting 12 leans the other end at intermediate casing 133.
The internal diameter of the first sleeve pipe 131 is slightly larger than the external diameter of the first pipe fitting 11, and the first pipe fitting 11 can be assigned in the first sleeve pipe 131, can guarantee the sealing of the first pipe fitting 11 and the first sleeve pipe 131 by adding the first seal ring 14; The matching relationship of the second sleeve pipe 132 and the second pipe fitting 12 is the same.
The diameter of intermediate casing 133 is less than or equal to the diameter of the first pipe fitting 11 and the second pipe fitting 12, the end of the first pipe fitting 11 and the second pipe fitting 12 is against respectively the two ends of intermediate casing 133, intermediate casing 133 not only positions two pipe fittings, also seal ring is carried out spacingly, seal ring is fixed between positioning lathe dog and the end of intermediate casing 133.
Refer to Fig. 6, in the present embodiment, the first positioning lathe dog 16 is identical with the structure of the second positioning lathe dog 17; The first positioning lathe dog 16 comprises the first semicircle assembly 161 and the second semicircle assembly 162, one end of one end of the first semicircle assembly 161 and the second semicircle assembly 162 is hinged, the other end of the first semicircle assembly 161 is provided with a cassette tape 1611, and cassette tape 1611 is provided with the evenly distributed a plurality of boss of a row; The other end of the second semicircle assembly 162 is provided with jack, is provided with the Ka Tai tilting to the second direction contrary with first direction in jack; Cassette tape 1611 assigns in jack, and card decometer is lived boss.
The first semicircle assembly 161 and the second semicircle assembly 162 are hinged, first by the two latch closure on pipe fitting, again cassette tape 1611 is assigned in jack, positioning lathe dog is close to and is fixed on pipe fitting, can block the seal ring being positioned at equally on pipe fitting, prevent that seal ring is subjected to displacement, and then guarantee sealing; Because cassette tape 1611 is provided with a plurality of boss, Ka Tai is by coordinating from different boss, and the diameter of capable of regulating positioning lathe dog, to adapt to different pipe fittings; Ka Tai and boss tilt to two contrary directions, make cassette tape 1611 can easily insert jack, be but not easy oppositely from jack, to exit, and then it are stable to guarantee that two halves circular components connects, and avoids occurring loosening.
In the present embodiment, the inner side of the first positioning lathe dog 16 and the second positioning lathe dog 17 is provided with anti-skidding striped.Anti-skidding striped can increase frictional force between positioning lathe dog and pipe fitting, makes positioning lathe dog be not easy to slide on pipe fitting, therefore can play good locating effect to seal ring.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (4)
1. a hollow spiral tube linkage structure, is characterized in that, comprises the first pipe fitting, the second pipe fitting, connects pipe box, the first seal ring, the second seal ring, the first positioning lathe dog and the second positioning lathe dog;
Described the first pipe fitting assigns into the one end that connects pipe box, described the first seal ring and the first positioning lathe dog are all sleeved on the first pipe fitting, the first seal ring and the first positioning lathe dog are all between the outer wall of the first pipe fitting and the inwall of connection pipe box, and described the first positioning lathe dog is close to the outside of the first seal ring;
Described the second pipe fitting assigns into the other end that connects pipe box, described the second seal ring and the second positioning lathe dog are all sleeved on the second pipe fitting, the second seal ring and the second positioning lathe dog are all between the outer wall of the second pipe fitting and the inwall of connection pipe box, and described the second positioning lathe dog is close to the outside of the second seal ring.
2. hollow spiral tube linkage structure according to claim 1, it is characterized in that, described connection pipe box comprises the first sleeve pipe, the second sleeve pipe and intermediate casing, described the first sleeve pipe and the second sleeve pipe are separately fixed at the two ends of intermediate casing, and the diameter of described the first sleeve pipe and the second sleeve pipe is greater than the diameter of intermediate casing; The diameter of described intermediate casing is less than or equal to the diameter of the first pipe fitting and the second pipe fitting; One end of described the first pipe fitting assigns in the first sleeve pipe, and the end of the first pipe fitting leans the one end at intermediate casing; One end of described the second pipe fitting assigns in the second sleeve pipe, and the end of the second pipe fitting leans the other end at intermediate casing.
3. hollow spiral tube linkage structure according to claim 1, is characterized in that, described the first positioning lathe dog is identical with the structure of the second positioning lathe dog; Described the first positioning lathe dog comprises the first semicircle assembly and the second semicircle assembly, one end of one end of described the first semicircle assembly and the second semicircle assembly is hinged, the other end of described the first semicircle assembly is provided with a cassette tape, and described cassette tape is provided with the evenly distributed a plurality of boss of a row; The other end of described the second semicircle assembly is provided with jack, is provided with the Ka Tai tilting to the second direction contrary with first direction in described jack; Described cassette tape assigns in jack, and described card decometer is lived boss.
4. hollow spiral tube linkage structure according to claim 1, is characterized in that, the inner side of described the first positioning lathe dog and the second positioning lathe dog is provided with anti-skidding striped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318016.2U CN204004897U (en) | 2014-06-16 | 2014-06-16 | Hollow spiral tube linkage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318016.2U CN204004897U (en) | 2014-06-16 | 2014-06-16 | Hollow spiral tube linkage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004897U true CN204004897U (en) | 2014-12-10 |
Family
ID=52044900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318016.2U Expired - Fee Related CN204004897U (en) | 2014-06-16 | 2014-06-16 | Hollow spiral tube linkage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344114A (en) * | 2014-06-16 | 2015-02-11 | 深圳市八达通智能管网系统有限公司 | Hollow wall winding pipe connecting structure |
-
2014
- 2014-06-16 CN CN201420318016.2U patent/CN204004897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344114A (en) * | 2014-06-16 | 2015-02-11 | 深圳市八达通智能管网系统有限公司 | Hollow wall winding pipe connecting structure |
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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 |
Granted publication date: 20141210 Termination date: 20160616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |