CN206608643U - Fuel gas transmission corrugated stainless steel tubing piecing devices - Google Patents
Fuel gas transmission corrugated stainless steel tubing piecing devices Download PDFInfo
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- CN206608643U CN206608643U CN201720358934.1U CN201720358934U CN206608643U CN 206608643 U CN206608643 U CN 206608643U CN 201720358934 U CN201720358934 U CN 201720358934U CN 206608643 U CN206608643 U CN 206608643U
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- endoporus
- snap fit
- fit connector
- stainless steel
- jointing
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Abstract
The utility model belongs to technology of gas pipeline field, specifically related to a kind of fuel gas transmission corrugated stainless steel tubing piecing devices, including jointing and snap fit connector, the jointing is provided with the first endoporus and the second endoporus, the endoporus of aperture ratio second of first endoporus is small, and first endoporus is provided with screw thread and its aperture is as the external diameter of bellows；Second endoporus connects with the first endoporus, and second endoporus is the conical surface and the second endoporus is provided with screw thread, and second endoporus is smaller than the other end close to one end of the first endoporus；The lateral surface of the snap fit connector is the conical surface matched with the second endoporus; the center of the snap fit connector is provided with through hole, and the direction of the through hole is consistent with the second endoporus, and the through hole, which is provided with, is used for the shackle member with protective case clamping; the process of installation is set more to facilitate, and structure is more stablized.
Description
Technical field
The utility model belongs to technology of gas pipeline field, and in particular to a kind of fuel gas transmission corrugated stainless steel tubing joint
Device.
Background technology
Clear energy sources necessary to natural gas is a kind of family expenses, and it is easy to use, the vast cities and towns of China are widely used pipe
Road natural gas, as civilian and industrial raw material, in recent years, in gas pipeline engineering, China has started to apply stainless steel wave
Line pipe, the popularization of larger area has been obtained in many big and medium-sized cities.
, it is necessary to check the air-tightness of bellows before bellows is installed, check that the mode of air-tightness is intended to bellows pressurization
Afterwards in encroached water, the position of gas leakage can produce bubble.The outside of bellows often coats one layer of plastics guarantor when mounted in addition
Sheath, plastic protective layer can be interfered to air-leakage test, hindered staff's observation bubble, caused air-leakage test to be forbidden
Really.My company have developed the settling mode of this problem, and one way in which is that bellows and protective case are not made into integral,
Bellows and protective case are connected again during installation, bellows, protective case, jointing and other pipelines are may feel that during this
Connection between element becomes inconvenient.
Utility model content
The purpose of this utility model is：Aim to provide in a kind of fuel gas transmission corrugated stainless steel tubing piecing devices, solution
The problem of stating inconvenient in installation process.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
A kind of fuel gas transmission corrugated stainless steel tubing piecing devices, including jointing and snap fit connector, the connection connect
Head is provided with the first endoporus and the second endoporus, and the endoporus of aperture ratio second of first endoporus is small, and first endoporus is provided with screw thread
And its aperture is as the external diameter of bellows；Second endoporus connects with the first endoporus, second endoporus be the conical surface and
Second endoporus is provided with screw thread, and second endoporus is smaller than the other end close to one end of the first endoporus；The snap fit connector
Lateral surface is the conical surface that matches with the second endoporus, and the center of the snap fit connector is provided with through hole, the direction of the through hole and the
Two endoporus are consistent, and the through hole, which is provided with, is used for the shackle member with protective case clamping.
Bellows and protective case are not made integral, when mounted again connected bellows and protective case, this mode
Attachment structure can be set to be used to fix on the protective sleeve.After protective case is enclosed on bellows, snap fit connector is inserted in ripple
Pipe, recycle the first endoporus screw thread jointing is connected with bellows, adjust snap fit connector position, make shackle member and
Attachment structure alignment on protective case, continues to be screwed into jointing, due to the presence of the conical surface, the second endoporus gradually can connect with clamping
Head rest is near, is then engaged with the outer surface of snap fit connector, continues to be screwed into jointing, snap fit connector can squeezing in the second endoporus
Deformation retract is depressed, shackle member can be snapped into the attachment structure of protective case, the outer wall of through hole and protective case coordinates, you can realize whole
Individual connection procedure.Simultaneously as the interaction force between the conical surface, can make jointing, snap fit connector, bellows and protective case
Between produce extra power, this power can reach locking purpose, and the principle of its principle pairs of anti-loose nut is the same, while this power
It is very stable, do not have side effect.In addition, the deformation that snap fit connector occurs both can be elastic deformation or plastic deformation,
Its difference is whether facilitate dismounting.
Further, the snap fit connector in base case, which is provided with, is used for the opening that through-hole aperture changes.The purpose of opening is
Beneficial to the deformation of snap fit connector, opening can be yi word pattern directly cut off snap fit connector an opening or will be a plurality of
By that staggeredly without the opening for cutting off snap fit connector, can achieve the goal.Snap fit connector is handled by being heat-treated
Improve after its toughness, can repeatedly use, more facilitate.
Further, the snap fit connector in base case is made up of elastomeric material.It can make installation more using elastomeric material
Easily, it is easy to disassemble, and stable elastic force can be provided, make to produce enough pressure between jointing and snap fit connector,
Reach locking purpose.
Further, more than two grooves are offered in the snap fit connector, the groove is located at the outer surface of snap fit connector, institute
The trend of groove is stated along the axial direction of snap fit connector, the groove is uniformly distributed along the circumference of snap fit connector.
During jointing is screwed in, the contact surface of snap fit connector and jointing can constantly rub, in clamping
Set on the surface of joint after groove, on the one hand make the process of screw-in lighter, on the other hand reduce the face of friction, make screw-in
Abrasion of the process to snap fit connector and jointing is smaller, and then improves anti-loosening property and service life.
Further, end of the inner surface away from the second endoporus of first endoporus is provided with block, and the block is annular,
The block is integrally formed with jointing, and the connection for being connected with other duct elements is offered on the jointing
Hole, the connecting hole is located at the one end of block away from the first endoporus.After jointing and bellows connection, block can be blocked
The end of bellows, plays spacing effect, meanwhile, the end of bellows can be close to by block, and if loose contact, must
It is so the gas leakage since the end of bellows, block can consolidate the end of bellows, prevent gas leakage.
Further, the block side is fixedly connected with elastic component, and the elastic component is located at block close to the first endoporus
Side.The thickness needs of elastic component are thicker, make the scope that it is deformed than larger, when jointing is screwed in longer scope
Interior, the end of bellows is all contacted with elastic component.On the one hand elastic component is provided elastic force to up to locking purpose, and another aspect is always
It is close to corrugated tube end, further enhances the air-tightness of junction.
Brief description of the drawings
The nonlimiting examples that the utility model can be provided by accompanying drawing are further illustrated；
Fig. 1 is the integrated connection schematic diagram of the utility model embodiment；
Fig. 2 is the lateral plan of the utility model embodiment snap fit connector；
Fig. 3 is the lateral plan of the utility model embodiment jointing.
Main element symbol description is as follows：
Jointing 1, snap fit connector 2, the first endoporus 3, the second endoporus 4, the conical surface 5, through hole 6, shackle member 7, opening 8, groove
9th, block 10, connecting hole 11, elastic component 12, bellows 13, protective case 14.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model are further illustrated.
As shown in Figure 1, Figure 2, Figure 3 shows, Fig. 2, Fig. 3 direction of observation are to be observed to the right on the left of Fig. 1, the utility model
A kind of fuel gas transmission piecing devices of corrugated stainless steel tubing 13, including jointing 1 and snap fit connector 2, jointing 1 is provided with
First endoporus 3 and the second endoporus 4, aperture ratio the second endoporus 4 of the first endoporus 3 are small, and the first endoporus 3 is provided with screw thread and its aperture
As the external diameter of bellows 13；Second endoporus 4 connects with the first endoporus 3, and the second endoporus 4 is to be set on the conical surface 5 and the second endoporus 4
There is screw thread, the second endoporus 4 is smaller than the other end close to one end of the first endoporus 3；The lateral surface of snap fit connector 2 be and the second endoporus
4 conical surfaces 5 matched, the center of snap fit connector 2 is provided with through hole 6, and the direction of through hole 6 is consistent with the second endoporus 4, is set on through hole 6
Have for the shackle member 7 with the clamping of protective case 14.
More than two grooves 9 are offered in snap fit connector 2, groove 9 is located at the outer surface of snap fit connector 2, and the edge of moving towards of groove 9 is blocked
The axial direction of joint 2, circumference of the groove 9 along snap fit connector 2 is uniformly distributed.
End of the inner surface of first endoporus 3 away from the second endoporus 4 be provided with block 10, block 10 for annular, block 10 with
Jointing 1 is integrally formed, and the connecting hole 11 for being connected with other duct elements, connecting hole 11 are offered on jointing 1
Positioned at the one end of block 10 away from the first endoporus 3；The side of block 10 is fixedly connected with elastic component 12, and elastic component 12 is located at block 10
Close to the side of the first endoporus 3.
In order that the deformation of snap fit connector 2 is more facilitated with fixed, two ways provided herein (depicts the first in figure
Mode)：1st, snap fit connector 2 is provided with the opening 8 for the varying aperture of through hole 6.The purpose of opening 8 is beneficial to snap fit connector 2
Deformation, opening 8 can be that yi word pattern directly cuts off an opening 8 of snap fit connector 2 or by a plurality of by staggeredly
The opening 8 that snap fit connector 2 is not cut off, can achieve the goal.Its toughness is improved by being heat-treated to handle snap fit connector 2
Afterwards, it can repeatedly use, more facilitate.2nd, snap fit connector 2 is made up of elastomeric material；Elastomeric material can make installation more
Easily, it is easy to disassemble, and stable elastic force can be provided, make to produce enough pressures between jointing 1 and snap fit connector 2
Power, reaches locking purpose.
Bellows 13 and protective case 14 are not made integral, when mounted again bellows 13 and protective case 14 is connected,
This mode can set attachment structure to be used to fix on protective case 14.After protective case 14 is enclosed on bellows 13, by card
Joint 2 is inserted in bellows 13, recycles the screw thread of the first endoporus 3 that jointing 1 is connected with bellows 13, adjusts clamping
The position of joint 2, makes shackle member 7 be alignd with the attachment structure on protective case 14, continues to be screwed into jointing 1, due to the conical surface 5
In the presence of the second endoporus 4 can be gradually close with snap fit connector 2, and then the outer surface with snap fit connector 2 is engaged, and continues the company of being screwed into
Joint 1, the meeting of snap fit connector 2 deformation retract under the extruding of the second endoporus 4, shackle member 7 can snap into the connection knot of protective case 14
In structure, the outer wall of through hole 6 and protective case 14 coordinates, you can realize whole connection procedure.Simultaneously as mutual between the conical surface 5
Active force, can make to produce extra power between jointing 1, snap fit connector 2, bellows 13 and protective case 14, this power can reach
To locking purpose, the principle of its principle pairs of anti-loose nut is the same, while this power is very stable, does not have side effect.In addition, card
The deformation that joint 2 occurs both can be elastic deformation or plastic deformation, and its difference is whether facilitate dismounting.
During jointing 1 is screwed in, snap fit connector 2 and the contact surface of jointing 1 can constantly rub, in card
Set on the surface of joint 2 after groove 9, on the one hand make the process of screw-in lighter, on the other hand reduce the face of friction, make
Abrasion of the screw-in process to snap fit connector 2 and jointing 1 is smaller, and then improves anti-loosening property and service life.
After jointing 1 and bellows 13 are connected, block 10 can block the end of bellows 13, play spacing work
With, meanwhile, the end of bellows 13 can be close to by block 10, and if loose contact, necessarily from the end of bellows 13
Start gas leakage, block 10 can consolidate the end of bellows 13, prevent gas leakage.
The thickness needs of elastic component 12 are thicker, make the scope that it is deformed than larger, when jointing 1 is screwed in longer
In the range of, the end of bellows 13 is all contacted with elastic component 12.The one side of elastic component 12 is provided elastic force to up to locking purpose,
On the other hand it is close to always with the end of bellows 13, further enhances the air-tightness of junction.
The merely exemplary explanation principle of the present utility model of above-described embodiment and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, all those of ordinary skill in the art are without departing from the spirit disclosed in the utility model
With all equivalent modifications completed under technological thought or change, it should be covered by claim of the present utility model.
Claims (6)
1. a kind of fuel gas transmission corrugated stainless steel tubing piecing devices, it is characterised in that：Including jointing and snap fit connector, institute
Jointing is stated provided with the first endoporus and the second endoporus, the endoporus of aperture ratio second of first endoporus is small, first endoporus
Provided with screw thread and its aperture as the external diameter of bellows；Second endoporus connects with the first endoporus, second endoporus
Screw thread is provided with for the conical surface and the second endoporus, second endoporus is smaller than the other end close to one end of the first endoporus；The clamping
The lateral surface of joint is the conical surface matched with the second endoporus, and the center of the snap fit connector is provided with through hole, the through hole
Direction is consistent with the second endoporus, and the through hole, which is provided with, is used for the shackle member with protective case clamping.
2. fuel gas transmission according to claim 1 corrugated stainless steel tubing piecing devices, it is characterised in that：The clamping connects
Head, which is provided with, is used for the opening that through-hole aperture changes.
3. fuel gas transmission according to claim 1 corrugated stainless steel tubing piecing devices, it is characterised in that：The clamping connects
Head is made up of elastomeric material.
4. the corrugated stainless steel tubing piecing devices of the fuel gas transmission according to Claims 2 or 3, it is characterised in that：The card
Offer more than two grooves on joint, the groove is located at the outer surface of snap fit connector, the trend of the groove is along snap fit connector
Axial direction, the groove is uniformly distributed along the circumference of snap fit connector.
5. fuel gas transmission according to claim 4 corrugated stainless steel tubing piecing devices, it is characterised in that：In described first
End of the inner surface in hole away from the second endoporus is provided with block, and the block is annular, the block and jointing one into
The connecting hole for being connected with other duct elements is offered on type, the jointing, it is remote that the connecting hole is located at block
One end of first endoporus.
6. fuel gas transmission according to claim 5 corrugated stainless steel tubing piecing devices, it is characterised in that：The block side
Face is fixedly connected with elastic component, and the elastic component is located at block close to the side of the first endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358934.1U CN206608643U (en) | 2017-04-07 | 2017-04-07 | Fuel gas transmission corrugated stainless steel tubing piecing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358934.1U CN206608643U (en) | 2017-04-07 | 2017-04-07 | Fuel gas transmission corrugated stainless steel tubing piecing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608643U true CN206608643U (en) | 2017-11-03 |
Family
ID=60174033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720358934.1U Active CN206608643U (en) | 2017-04-07 | 2017-04-07 | Fuel gas transmission corrugated stainless steel tubing piecing devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608643U (en) |
-
2017
- 2017-04-07 CN CN201720358934.1U patent/CN206608643U/en active Active
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