CN204004905U - A kind of pipe fitting joint structure - Google Patents
A kind of pipe fitting joint structure Download PDFInfo
- Publication number
- CN204004905U CN204004905U CN201420398312.8U CN201420398312U CN204004905U CN 204004905 U CN204004905 U CN 204004905U CN 201420398312 U CN201420398312 U CN 201420398312U CN 204004905 U CN204004905 U CN 204004905U
- Authority
- CN
- China
- Prior art keywords
- seal ring
- elastic seal
- radial location
- pipe end
- joint structure
- 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 pipe fitting joint structure, relate to pipework technical field, the problem that can not carry out radial location for solving existing fitting structure designs.The pipe fitting joint structure that the utility model provides comprises elastic seal ring and is arranged at a plurality of radial location pieces in elastic seal ring, in the time of in the tapped hole that elastic seal ring is screwed into fixed bearing, because the external diameter of elastic seal ring is greater than the aperture of tapped hole, therefore the screw thread hole wall of fixed bearing can form radially inside pressure to elastic seal ring, a plurality of radial location pieces are radially shunk, thereby the first pipe end and the second pipe end are realized to radial and axial location, and linkage structure is more reliable; Many the fins that extend along its axial direction are set in the inner side of positioning block, and the outer wall by fin and the first pipe end and the second pipe end carries out butt, can realize more reliably, location axially and radially firmly.
Description
Technical field
The utility model relates to track traffic technical field, relates in particular to a kind of for controlling the system and method for platform door opening and closing state.
Background technique
In the line arrangement of pipework, because the length of pipe fitting is long, can affect its rigidity, each section of pipe fitting need to be connected by pipe joint, in addition, also can run into the situation that the pipe fitting of two different tube diameters is linked together in actual applications, also need in this case pipe joint two different pipe fittings of caliber could be linked together.
Existing pipe joint structure is by two pipe fitting outer bell and spigot joint fixed blocks, is threaded connection two pipe fittings are coupled together, and this Placement exists following problem:
Poor, very easily generation leakage that the joint of (1) two pipe fitting seals, impacts whole pipe fitting engineering;
(2) due to pipe fitting with connector fixing part for being threaded, connect reliably not, very easily produce the situation such as get loose;
(3) connection of pipe fitting is inconvenient, affects manufacturing efficiency.
Model utility content
An object of the present utility model be to propose a kind of connect reliable, can realize the pipe fitting joint structure to the radial location of pipe fitting.
An also object of the present utility model is to propose the reliable pipe fitting joint structure of a kind of radial location to pipe fitting.
Another object of the present utility model is to propose a kind of good sealing effect, non-leakage pipe fitting joint structure.
For reaching this object, the utility model by the following technical solutions:
A kind of pipe fitting joint structure, comprise the first pipe end, the second pipe end and the connector fixing part that is fixed on described the first pipe end and described the second pipe end outside, described connector fixing part comprises the elastic seal ring of periphery and is arranged at a plurality of radial location pieces in described elastic seal ring, described a plurality of radial location piece is along the circumferential direction uniform, and when described elastic seal ring is not subject to external force, between described radial location piece, there is gap;
Described radial location piece is fixedly connected with described elastic seal ring by fixing pin;
Described pipe fitting joint structure also comprises fixed bearing, on described fixed bearing, has tapped hole, on the periphery wall of described elastic seal ring, is provided with outside thread, and described elastic seal ring is threaded with described fixed bearing;
When described elastic seal ring is not subject to external force, its external diameter is greater than the aperture of described tapped hole.
Preferably, described radial location piece is fan annular.
Preferably, the inner side of described radial location piece is provided with many fins that extend along its axial direction.
Preferably, the both sides of described elastic seal ring are provided with diaphragm seal, on described diaphragm seal, have through hole, and described the first pipe end and described the second pipe end pass respectively the described through hole of both sides;
The inwall of described the first pipe end and described through hole fits tightly;
The inwall of described the second pipe end and described through hole fits tightly.
Preferably, in described a plurality of radial location pieces, middle inside radially caves inward and is formed with containing groove, and a plurality of containing grooves of described a plurality of radial location pieces coordinate formation seal ring containing groove jointly, in described seal ring containing groove, are provided with seal ring.
Preferably, described radial location piece is 8.
Preferably, described elastic seal ring is rubber ring.
The beneficial effects of the utility model are:
The pipe fitting joint structure that the utility model provides comprises elastic seal ring and is arranged at a plurality of radial location pieces in elastic seal ring, in the time of in the tapped hole that elastic seal ring is screwed into fixed bearing, because the external diameter of elastic seal ring is greater than the aperture of tapped hole, therefore the screw thread hole wall of fixed bearing can form radially inside pressure to elastic seal ring, a plurality of radial location pieces are radially shunk, thereby the first pipe end and the second pipe end are realized to radial and axial location, and linkage structure is more reliable;
Many the fins that extend along its axial direction are set in the inner side of positioning block, and the outer wall by fin and the first pipe end and the second pipe end carries out butt, can realize more reliably, location axially and radially firmly;
Inner side at radial location piece is also provided with containing groove, forms seal ring containing groove, in seal ring containing groove, seal ring is set, good sealing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pipe fitting joint structure that provides of the utility model embodiment one;
Fig. 2 is the left view of the pipe fitting joint structure that provides of the utility model embodiment one;
Fig. 3 is the structural representation of the pipe fitting joint structure that provides of the utility model embodiment two.
In figure, the 1, first pipe end; 2, the second pipe end; 3, elastic seal ring; 4, radial location piece; 5, fixed bearing; 6, diaphragm seal; 7, seal ring.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Embodiment one:
The present embodiment provides a kind of pipe fitting joint structure, and as depicted in figs. 1 and 2, this pipe fitting joint structure comprises the first pipe end 1, the second pipe end 2 and is fixed on the first pipe end 1 and the connector fixing part of the second pipe end 2 outsides.Connector fixing part comprises the elastic seal ring 3 of periphery and is arranged at a plurality of radial location pieces 4 in elastic seal ring 3, and a plurality of radial location pieces 4 are along the circumferential direction uniform, and when elastic seal ring 3 is not subject to external force, between radial location piece 4, have gap.
Radial location piece 4 is fixedly connected with elastic seal ring 3 by fixing pin.
Pipe fitting joint structure also comprises fixed bearing 5, on fixed bearing 5, has tapped hole, on the periphery wall of elastic seal ring 3, is provided with outside thread, and elastic seal ring 3 is threaded with fixed bearing 5.
When elastic seal ring 3 is not subject to external force, its external diameter is greater than the aperture of tapped hole.
As a kind of preferred embodiment, radial location piece 4 is fan annular.
As a kind of preferred embodiment, the inner side of radial location piece 4 is provided with many fins that extend along its axial direction.
As a kind of preferred embodiment, the both sides of elastic seal ring 3 are provided with diaphragm seal 6, on diaphragm seal 6, have through hole, and the first pipe end 1 and the second pipe end 2 pass respectively the through hole of both sides; The first pipe end 1 fits tightly with the inwall of through hole; The second pipe end 2 fits tightly with the inwall of through hole.
As a kind of preferred embodiment, radial location piece 4 is 8.
As a kind of preferred embodiment, elastic seal ring 3 is rubber ring.
The pipe fitting joint structure that the present embodiment provides comprises elastic seal ring and is arranged at a plurality of radial location pieces in elastic seal ring, in the time of in the tapped hole that elastic seal ring is screwed into fixed bearing, because the external diameter of elastic seal ring is greater than the aperture of tapped hole, therefore the screw thread hole wall of fixed bearing can form radially inside pressure to elastic seal ring, a plurality of radial location pieces are radially shunk, thereby the first pipe end and the second pipe end are realized to radial and axial location, and linkage structure is more reliable.
Many the fins that extend along its axial direction are set in the inner side of positioning block, and the outer wall by fin and the first pipe end and the second pipe end carries out butt, can realize more reliably, location axially and radially firmly.
Embodiment two:
The present embodiment provides a kind of pipe fitting joint structure, and as shown in Figure 3, this pipe fitting joint structure and embodiment one are basic identical, comprises the first pipe end 1, the second pipe end 2 and is fixed on the first pipe end 1 and the connector fixing part of the second pipe end 2 outsides.Connector fixing part comprises the elastic seal ring 3 of periphery and is arranged at a plurality of radial location pieces 4 in elastic seal ring 3, and a plurality of radial location pieces 4 are along the circumferential direction uniform, and when elastic seal ring 3 is not subject to external force, between radial location piece 4, have gap.
Difference is, in the present embodiment, in a plurality of radial location pieces, middle inside radially caves inward and is formed with containing groove, and a plurality of containing grooves of a plurality of radial location pieces jointly coordinate and form seal ring containing groove, are provided with seal ring 7 in seal ring containing groove.Seal ring 7 is set in seal ring containing groove, good sealing effect.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (7)
1. a pipe fitting joint structure, comprise the first pipe end, the second pipe end and the connector fixing part that is fixed on described the first pipe end and described the second pipe end outside, it is characterized in that: described connector fixing part comprises the elastic seal ring of periphery and is arranged at a plurality of radial location pieces in described elastic seal ring, described a plurality of radial location piece is along the circumferential direction uniform, and when described elastic seal ring is not subject to external force, between described radial location piece, there is gap;
Described radial location piece is fixedly connected with described elastic seal ring by fixing pin;
Described pipe fitting joint structure also comprises fixed bearing, on described fixed bearing, has tapped hole, on the periphery wall of described elastic seal ring, is provided with outside thread, and described elastic seal ring is threaded with described fixed bearing;
When described elastic seal ring is not subject to external force, its external diameter is greater than the aperture of described tapped hole.
2. a kind of pipe fitting joint structure according to claim 1, is characterized in that: described radial location piece is fan annular.
3. a kind of pipe fitting joint structure according to claim 1 and 2, is characterized in that: the inner side of described radial location piece is provided with many fins that extend along its axial direction.
4. a kind of pipe fitting joint structure according to claim 1, it is characterized in that: the both sides of described elastic seal ring are provided with diaphragm seal, on described diaphragm seal, have through hole, described the first pipe end and described the second pipe end pass respectively the described through hole of both sides;
The inwall of described the first pipe end and described through hole fits tightly;
The inwall of described the second pipe end and described through hole fits tightly.
5. a kind of pipe fitting joint structure according to claim 1, it is characterized in that: in described a plurality of radial location pieces, middle inside radially caves inward and is formed with containing groove, a plurality of containing grooves of described a plurality of radial location pieces coordinate formation seal ring containing groove jointly, in described seal ring containing groove, are provided with seal ring.
6. a kind of pipe fitting joint structure according to claim 1, is characterized in that: described radial location piece is 8.
7. a kind of pipe fitting joint structure according to claim 1, is characterized in that: described elastic seal ring is rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398312.8U CN204004905U (en) | 2014-07-18 | 2014-07-18 | A kind of pipe fitting joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398312.8U CN204004905U (en) | 2014-07-18 | 2014-07-18 | A kind of pipe fitting joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004905U true CN204004905U (en) | 2014-12-10 |
Family
ID=52044908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420398312.8U Expired - Fee Related CN204004905U (en) | 2014-07-18 | 2014-07-18 | A kind of pipe fitting joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061384A (en) * | 2014-07-18 | 2014-09-24 | 王晓霖 | Pipe fitting connector structure |
-
2014
- 2014-07-18 CN CN201420398312.8U patent/CN204004905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061384A (en) * | 2014-07-18 | 2014-09-24 | 王晓霖 | Pipe fitting connector 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: 20150718 |
|
| EXPY | Termination of patent right or utility model |