CN204201320U - Pipeline connecting device - Google Patents
Pipeline connecting device Download PDFInfo
- Publication number
- CN204201320U CN204201320U CN201420562839.XU CN201420562839U CN204201320U CN 204201320 U CN204201320 U CN 204201320U CN 201420562839 U CN201420562839 U CN 201420562839U CN 204201320 U CN204201320 U CN 204201320U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- connecting sleeve
- flange
- cushion collar
- kink
- 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
Landscapes
- Joints With Sleeves (AREA)
Abstract
The utility model discloses a kind of pipeline connecting device, for connecting the first pipeline and the second pipeline, comprise the first connecting sleeve be tightly connected with the end winding support of described first pipeline and the second connecting sleeve be tightly connected with the end winding support of described second pipeline, and one end near the second pipeline of described first connecting sleeve is sheathed on described second connecting sleeve inside, one end near the second pipeline of described first connecting sleeve can move axially along it in described second connecting sleeve, elastic sealing device is provided with between the outer wall of described first connecting sleeve and the inwall of the second connecting sleeve.First connecting sleeve can move relative to the second connecting sleeve in the axis of pipeline and radial direction, effectively alleviates impact, avoids the connection set problem that fatiguability damages under percussion, the life-span is shorter, and then improves the sealing of pipeline connecting device.
Description
Technical field
The utility model relates to fluid device technical field, more particularly, relates to a kind of pipeline connecting device.
Background technique
The fluid devices such as hydraulic press are widely applied in fields such as engineering machinery.Multiplex to all kinds of pipeline be connected in fluid device.With regard to hydraulic press, its return water system is generally designed to by four column backwater, and pressure of return water is 5-8kg/cm
2.The pipeline of return water system often adopts Flange joint, please refer to Fig. 1, and Fig. 1 is fluid system pipeline connecting device cross-sectional schematic common in prior art.
One end pipeline is fixedly connected with the first flange, and the other end pipeline is fixedly connected with the second flange, and the first flange is connected with the second flange bolt, and is provided with seal ring therebetween.Above-mentioned linkage structure genus is rigidly connected, for hydraulic press, because its body is higher, and along with the raising of its frequency of okperation volume, inevitably exist during work and rock, simultaneously, in addition the impact shock that in pipeline, media flow causes, make in hydraulic press using process, Flange joint is in pipeline and rocks to damage with the percussion fatiguability of interior media and make the life-span shorter, fractures or loosen as flange bolt.Cause the decline of sealing between two pipelines thus, occur that low-pressure water is leaked.And the leakage of low-pressure water can directly cause production to carry out, necessary maintenance down, and then cause economic loss.Meanwhile, the leakage of water is undoubtedly the waste of water resources.
In sum, how effectively solving the pipeline connecting device life-span shortly causes the problems such as sealing difference, is current those skilled in the art's urgent problem.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of pipeline connecting device, this pipeline connecting device can effectively solve its life-span short cause line seal difference etc. problem.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of pipeline connecting device, for connecting the first pipeline and the second pipeline, comprise the first connecting sleeve be tightly connected with the end winding support of described first pipeline and the second connecting sleeve be tightly connected with the end winding support of described second pipeline, and one end near the second pipeline of described first connecting sleeve is sheathed on described second connecting sleeve inside, one end near the second pipeline of described first connecting sleeve can move axially along it in described second connecting sleeve, is provided with elastic sealing device between the outer wall of described first connecting sleeve and the inwall of the second connecting sleeve.
Preferably, in above-mentioned pipeline connecting device, the cushion collar of hollow that described first connecting sleeve comprises the first flange of being tightly connected with the end winding support of described first pipeline and is sealedly and fixedly connected with the first flange.
Preferably, in above-mentioned pipeline connecting device, described second connecting sleeve comprises the kink of the second flange be tightly connected with the end winding support of described second pipeline and the hollow be fixedly connected with the second flange seal, and one end near the second pipeline of described cushion collar is sheathed on described kink inside, one end near the second pipeline of described cushion collar can move axially along it in described kink, is provided with elastic sealing device between described cushion collar and described kink.
Preferably, in above-mentioned pipeline connecting device, described elastic sealing device is multiple V-shaped seal ring, and multiple described V-shaped seal ring is the axial arranging along cushion collar.
Preferably, in above-mentioned pipeline connecting device, between one end near the second flange of described cushion collar and the second flange, there is gap.
Preferably, in above-mentioned pipeline connecting device, comprise the gland be sheathed on outside described cushion collar further, and described gland is fixedly connected with one end near the first pipeline of described kink.
Preferably, in above-mentioned pipeline connecting device, described first flange and described cushion collar are bolted to connection, and described second flange and described kink are bolted to connection.
Preferably, in above-mentioned pipeline connecting device, between described first flange and described cushion collar, be provided with seal ring, between described second flange and described kink, be provided with seal ring.
Preferably, in above-mentioned pipeline connecting device, described kink and described gland are bolted to connection.
Preferably, in above-mentioned pipeline connecting device, the internal diameter of described cushion collar is identical with the internal diameter of described first pipeline.
The pipeline connecting device that the utility model provides comprises the first connecting sleeve, the second connecting sleeve and elastic sealing device.Wherein, the end winding support of the first connecting sleeve and the first pipeline is tightly connected, the end winding support of the second connecting sleeve and the second pipeline is tightly connected, one end near the second pipeline of first connecting sleeve is sheathed on the second connecting sleeve inside and can within it moves vertically, and elastic connecting device is arranged between the outer wall of the first connecting sleeve and the inwall of the second connecting sleeve.
The pipeline connecting device that theres is provided of application the utility model, equipment work produce pipeline rock and in pipeline, media flow impacts vibration time, the first connecting sleeve can in the inner relative movement to a certain degree vertically in it of the second connecting sleeve.Meanwhile, in the radial direction thereof, because the seal arrangement arranged between the outer wall of the first connecting sleeve and the inwall of the second connecting sleeve is elastic sealing device, the two can to a certain degree relative movement diametrically.Thus, in the axis and radial direction of pipeline, the first connecting sleeve all can move relative to the second connecting sleeve, effectively alleviate impact, avoid the connection set problem that fatiguability damages under percussion, the life-span is shorter, and then improve the sealing of pipeline connecting device.
In a preferred embodiment, the cushion collar of hollow that described first connecting sleeve comprises the first flange of being tightly connected with the end winding support of described first pipeline and is sealedly and fixedly connected with the first flange, described second connecting sleeve comprises the kink of the second flange be tightly connected with the end winding support of described second pipeline and the hollow be fixedly connected with the second flange seal.Due to described kink can in described cushion collar vertically and radial direction to a certain degree move, effectively alleviate impact.Simultaneously, described pipeline connecting device is on the basis of existing common pipeline connecting device, between the first flange with the second flange, realize the object that elasticity is connected by increasing cushion collar and kink, without the need to improving original pipeline connecting device, thus cost is lower and be convenient to install.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional schematic of pipeline connecting device common in prior art;
The cross-sectional schematic of a kind of embodiment of the pipeline connecting device that Fig. 2 provides for the utility model;
The cross-sectional schematic of the another kind of embodiment of the pipeline connecting device that Fig. 3 provides for the utility model;
Fig. 4 is the cross-sectional schematic of V-shaped seal ring;
Fig. 5 is the structural representation of kink;
Fig. 6 is the structural representation of gland.
In accompanying drawing, mark is as follows:
First flange 11, second flange 12; First pipeline 1, second pipeline 2, first connecting sleeve 3, second connecting sleeve 4, elastic sealing device 5, the first flange 31, cushion collar 32, the second flange 41, kink 42, gland 6, the first seal ring 7, second seal ring 8.
Embodiment
The utility model embodiment discloses a kind of pipeline connecting device, with avoid the pipeline connecting device life-span short cause sealing difference etc. problem.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 2, the cross-sectional schematic of a kind of embodiment of the pipeline connecting device that Fig. 2 provides for the utility model.
In a kind of embodiment, the pipeline connecting device that the utility model provides, for connecting the first pipeline 1 and the second pipeline 2, the end winding support of the first pipeline 1 is tightly connected the first connecting sleeve 3, the end winding support of the second pipeline 2 is tightly connected the second connecting sleeve 4, and one end near the second pipeline 2 of the first connecting sleeve 3 is sheathed on the second connecting sleeve 4 inside, one end near the second pipeline 2 of first connecting sleeve 3 can move axially along it in the second connecting sleeve 4, is provided with elastic sealing device between the outer wall of the first connecting sleeve 3 and the inwall of the second connecting sleeve 4.Elastic sealing device 5 one aspect herein makes the first connecting sleeve 3 and the second connecting sleeve 4 be flexibly connected, and need ensure the sealing in pipeline on the other hand.First connecting sleeve 3 and the second connecting sleeve 4 all can be designed to integrative-structure, directly by both mobile bufferings realizing rocking pipeline and in pipeline, media impingement vibrates.Certainly, also can be further improved a kind of embodiment of above-mentioned pipeline connecting device.
Please refer to Fig. 3, the cross-sectional schematic of the another kind of embodiment of the pipeline connecting device that Fig. 3 provides for the utility model.
In another kind of embodiment, the pipeline connecting device that the utility model provides, its first connecting sleeve 3 comprises the cushion collar 32 of the first flange 31 and hollow, first flange 31 and the first pipeline 1 fixed seal connection, cushion collar 32 and the first flange 31 are sealedly and fixedly connected, and concrete can connect for bolt.For convenience of the installation of bolt, radially can extend to form an outstanding step in the end near the first pipeline of cushion collar 32, this step and the first flange 31 are bolted.Certainly, connect for realizing bolt, the end near the first pipeline 1 of cushion collar 32 also can be set to other shapes, and Placement is also not limited to bolt connection, and what also can adopt other is fixedly connected with mode.The aperture of the hollow space of cushion collar 32 is also internal diameter, general identical with the internal diameter of the first pipeline 1.To need or in particular cases, the internal diameter of cushion collar 32 also can be less than the internal diameter of the first pipeline 1 or be greater than the internal diameter of the first pipeline 1 as reality uses, but all need the sealing that ensures between the two.Common, seal ring can be adopted to seal.
In order to the position of fixed seal ring, groove can be offered at cushion collar 32 on the end face of one end of the first pipeline 1, thus the first seal ring 7 can be arranged in groove.The degree of depth of groove should be less than the axial thickness of the first seal ring 7, to make the top of the first seal ring 7 protrude from above-mentioned end face, and deforms when being subject to the extruding of the first flange 31 thus obtains good sealing effect.
One end near the second pipeline 2 of cushion collar 32 is sheathed on the second connecting sleeve 4 inside, and one end near the second pipeline 2 of cushion collar 32 can move axially along it in the second connecting sleeve 4, is provided with elastic sealing device 5 between the outer wall of cushion collar 32 and the inwall of the second connecting sleeve 4.Here elastic sealing device 5 can adopt V-shaped seal ring, and multiple V-shaped seal ring is along the axial arranging of cushion collar 32.Refer to Fig. 4, Fig. 4 is the cross-sectional schematic of V-shaped seal ring.Certainly, the elastic sealing device of other favorable sealing properties can also be adopted.
For the second connecting sleeve, for ease of installing, same, the kink 42 of the second flange 41 and hollow can be comprised.The end winding support of the second flange 41 and the second pipeline 2 is tightly connected, kink 42 and the second flange 41 fixed seal connection, and concrete can connect for bolt.Refer to Fig. 5, Fig. 5 is the structural representation of kink.For convenience of the installation of bolt, the end near the second pipeline of kink 42, its shape can be set to identical with the end near the first pipeline of cushion collar 32, repeats no more herein.Can arrange the second seal ring 8 between kink 42 and the second flange to seal, its set-up mode can be identical with the set-up mode of the first seal ring 7, also repeats no more herein.
One end near the second pipeline 2 of cushion collar 32 is sheathed on kink 42 inside, and one end near the second pipeline 2 of cushion collar 32 can move axially along it in kink 42, and elastic sealing device 5 is arranged between the outer wall of cushion collar 32 and the inwall of kink 42.
For enabling one end near the second pipeline 2 (being also the second flange 41) of cushion collar 32 move axially along it in kink 42, between one end near the second pipeline 2 of cushion collar 32 and the second flange 41, gap can be provided with.Certainly, when the internal diameter of one end near the second pipeline 2 of kink 42 is less than the external diameter of cushion collar 32, also in one end near the second pipeline 2 of cushion collar 32 and kink 42, gap can be set between one end of the second pipeline 2.
Consider to be convenient to the problems such as installation, the first connecting sleeve 3 can be set to comprise the first flange 31 and cushion collar 32, the second connecting sleeve 4 is set to comprise the second flange 41 and kink 42 simultaneously.Also can only the first connecting sleeve 3 be set to comprise the first flange 31 and cushion collar 32, or only the second connecting sleeve 4 be set to comprise the second flange 41 and kink 42.
In above-mentioned pipeline connecting device, seal by means of only elastic sealing device 5 between the first connecting sleeve 3 and the second connecting sleeve 4, thus higher to the sealing requirements of elastic sealing device 5.Therefore, can gland 6 be set further, to improve the sealing of pipeline connecting device.Refer to Fig. 6, Fig. 6 is the structural representation of gland.Gland 6 is hollow structure, is sheathed on outside cushion collar 32, and is fixedly connected with one end near the first pipeline 1 of kink 42, is specifically as follows bolt and connects.Be similarly the installation facilitating bolt, the step that the formation one that can radially stretch out near the end of the first pipeline 1 of gland 6 is outstanding, also radially stretching out the outstanding step of formation one near the end face of the first pipeline 1 of corresponding kink 42, two steps are bolted.Certainly, connect for realizing bolt, the end near the first pipeline 1 of cushion collar 32 also can be set to other shapes, and Placement is also not limited to bolt connection, and what also can adopt other is fixedly connected with mode.Being placed between cushion collar 32 and kink 42 near one end of the second pipeline 2 of gland 6, and with the outer wall of cushion collar 32, the inwall close contact of kink 42.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a pipeline connecting device, for connecting the first pipeline (1) and the second pipeline (2), it is characterized in that, comprise the first connecting sleeve (3) be tightly connected with the end winding support of described first pipeline (1) and the second connecting sleeve (4) be tightly connected with the end winding support of described second pipeline (2), and one end near the second pipeline (2) of described first connecting sleeve (3) is sheathed on described second connecting sleeve (4) inside, one end near the second pipeline (2) of described first connecting sleeve (3) can move axially along it in described second connecting sleeve (4), elastic sealing device (5) is provided with between the outer wall of described first connecting sleeve (3) and the inwall of the second connecting sleeve (4).
2. pipeline connecting device according to claim 1, it is characterized in that, the cushion collar (32) of hollow that described first connecting sleeve (3) comprises the first flange (31) of being tightly connected with the end winding support of described first pipeline (1) and is sealedly and fixedly connected with the first flange (31).
3. pipeline connecting device according to claim 2, it is characterized in that, the kink (42) of hollow that described second connecting sleeve (4) comprises the second flange (41) of being tightly connected with the end winding support of described second pipeline (2) and is sealedly and fixedly connected with the second flange (41), and one end near the second pipeline (2) of described cushion collar (32) is sheathed on described kink (42) inside, one end near the second pipeline (2) of described cushion collar (32) can move axially along it in described kink (42), elastic sealing device (5) is provided with between described cushion collar (32) and described kink (42).
4. pipeline connecting device according to claim 3, is characterized in that, described elastic sealing device (5) is multiple V-shaped seal ring, and multiple described V-shaped seal ring is the axial arranging along cushion collar (32).
5. pipeline connecting device according to claim 3, is characterized in that, has gap between one end near the second flange (41) of described cushion collar (32) and the second flange (41).
6. pipeline connecting device according to claim 3, it is characterized in that, comprise further and be sheathed on described cushion collar (32) gland outward (6), and described gland (6) is fixedly connected with one end near the first pipeline (1) of described kink (42).
7. pipeline connecting device according to claim 3, it is characterized in that, described first flange (31) and described cushion collar (32) are bolted to connection, and described second flange (41) and described kink (42) are bolted to connection.
8. pipeline connecting device according to claim 3, it is characterized in that, be provided with the first seal ring (7) between described first flange (31) and described cushion collar (32), between described second flange (41) and described kink (42), be provided with the second seal ring (8).
9. pipeline connecting device according to claim 6, is characterized in that, described kink (42) and described gland (6) are bolted to connection.
10. pipeline connecting device according to claim 3, is characterized in that, the internal diameter of described cushion collar (32) is identical with the internal diameter of described first pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562839.XU CN204201320U (en) | 2014-09-28 | 2014-09-28 | Pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562839.XU CN204201320U (en) | 2014-09-28 | 2014-09-28 | Pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204201320U true CN204201320U (en) | 2015-03-11 |
Family
ID=52659282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420562839.XU Expired - Fee Related CN204201320U (en) | 2014-09-28 | 2014-09-28 | Pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204201320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637295A (en) * | 2020-04-30 | 2020-09-08 | 广州文冲船厂有限责任公司 | Double-flange sealing type axial expansion joint |
-
2014
- 2014-09-28 CN CN201420562839.XU patent/CN204201320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637295A (en) * | 2020-04-30 | 2020-09-08 | 广州文冲船厂有限责任公司 | Double-flange sealing type axial expansion joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203413285U (en) | Pipeline leak repairing device | |
| CN203823269U (en) | Pipeline sealing assembly for dynamic pipeline system | |
| CN204201320U (en) | Pipeline connecting device | |
| CN203585685U (en) | Clamping type expansion joint | |
| CN102840390B (en) | Elastic displacement compensator | |
| CN202109118U (en) | Sealing structure of sleeve compensator | |
| CN201818276U (en) | Rubber stopper packer | |
| CN202182270U (en) | Flange type internal expansion connecting structure for steel plastic composite pipe | |
| CN204914342U (en) | Compound die protecgulum hydraulic fluid port connection structure | |
| CN203023689U (en) | Flange assembly and concrete conveying pipeline | |
| CN203560627U (en) | Loose flange connecting device | |
| CN204127185U (en) | One is applicable to industrial machinery damping bellow type air spring | |
| CN204082045U (en) | A kind of ocean engineering high-pressure slurry pipe connecting structure | |
| CN203099125U (en) | Telescopic structure for mine pasty fluid filling pipeline | |
| CN207421598U (en) | A kind of bite type sebific duct fuse | |
| CN105465529A (en) | Spherical compensator for thermal compensation of pipeline | |
| CN202109142U (en) | Novel pipeline telescopic joint | |
| CN203784515U (en) | Flange mounting structure for high-pressure pipe | |
| CN104373735A (en) | Steel pipeline compensator | |
| CN204328283U (en) | A kind of flange connecting apparatus | |
| CN202990934U (en) | Well mouth telescopic compensator for oil well | |
| CN204127499U (en) | A kind of multilayer composite pipeline | |
| CN104100697A (en) | Sealing seat | |
| CN203297803U (en) | Connection pipe | |
| CN203784506U (en) | High-pressure pipeline connecting structure |
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: 20150311 Termination date: 20170928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |