CN218236513U

CN218236513U - Pipe fitting and sealing structure suitable for same

Info

Publication number: CN218236513U
Application number: CN202222691833.XU
Authority: CN
Inventors: 叶朝阳; 贾文忠
Original assignee: Zhejiang Weipai Management Co ltd
Current assignee: Zhejiang Weipai Management Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-06
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a pipe fitting and be applicable to seal structure of this pipe fitting relates to the pipe connection field and includes half section on a left side and half section on the right side, half section on a left side is close to half section on the right side's one end has seted up first sawtooth groove along circumference, half section on the right side is close to half section on a left side the one end of half section seted up with the second sawtooth groove of first sawtooth groove looks adaptation, half section cover on a left side is equipped with water-swelling rubber, partly water-swelling rubber covers half section on a left side, another part water-swelling rubber covers half section on the right side. This application sets up the sawtooth groove through the junction at the pipe fitting for the anti shear capacity of pipe fitting improves, and owing to set up seal structure thickening the wall thickness of pipe fitting junction in the junction, when the rubber circle crackle or warp, pipe fitting gas tightness and water proofness are difficult to reduce.

Description

Pipe fitting and sealing structure suitable for same

Technical Field

The utility model belongs to the technical field of the pipe connection and specifically relates to a pipe fitting and be applicable to seal structure of this pipe fitting is related to.

Background

With the gradual increase of the construction amount of municipal works, the environment of pipeline construction becomes increasingly complex, and the difficulty of water supply and drainage construction is also increasing. The most important is the bell and spigot construction technology, the construction quality of the bell and spigot construction technology not only influences the normal use of the whole pipeline, but also directly determines the service life of the whole water supply and drainage project.

In the related technology, most of sockets between pipelines adopt a rubber ring interface mode, namely, the joint of two pipelines is wrapped by a rubber ring, but the requirement of the interface mode on a construction material, namely the rubber ring, is very high, and the socket must be tightly wrapped by the pipelines in a threaded manner to achieve the required air tightness and water tightness.

However, the rubber ring is easily cracked or deformed as the use time increases, and at this time, air-tightness and water-tightness between pipes are easily lowered.

SUMMERY OF THE UTILITY MODEL

In order to improve the mode that adopts the rubber circle interface among the relevant art and appear crackle or deformation easily after long-time use, lead to the problem that the gas tightness between the pipeline and the water tightness reduce easily, the application provides a pipe fitting and is applicable to the seal structure of this pipe fitting.

On one hand, the technical scheme that the pipe fitting provided by the application adopts is as follows:

the utility model provides a pipe fitting, includes half section on a left side and half section on the right side, half section on a left side is close to half section on the right side's one end has been seted up along circumference first sawtooth groove, half section on the right side is close to half section on a left side one end seted up with the second sawtooth groove of first sawtooth groove looks adaptation, half section cover on a left side is equipped with water-swelling rubber, partly water-swelling rubber covers half section on a left side, another part water-swelling rubber covers half section on the right side.

Through adopting above-mentioned technical scheme, the junction of left half section and right half section sets to the groove of zigzag, the anti shear strength of pipe fitting junction has been improved, make the junction of pipe fitting be difficult to take place relative rotation, after the concatenation is good, cover water-swelling rubber at the junction of left half section and right half section, when the junction takes place the condition of leaking, thereby water-swelling rubber can further expand the junction shutoff with the pipe fitting, along with the extension of live time, when the rubber circle takes place to damage, the gas tightness and the water proofness of pipe fitting junction are difficult to reduce.

Optionally, the left half section with the right half section is all offered and is used for placing the groove that sinks of meeting water inflation rubber, and when meeting water inflation rubber embedding when sinking in the groove, meet the surface level of water inflation rubber and pipe fitting.

Through adopting above-mentioned technical scheme, sink to the groove and have spacing effect to meeting water inflation rubber, meet water inflation rubber and wipe in sinking, can use when its inflation to sink to the groove as the benchmark inflation for meet water inflation rubber is difficult to take place the skew on the position when the inflation.

Optionally, the left half section is close to the lateral wall of the right half section is provided with a first limiting groove used for limiting the sealing structure along the circumferential direction, the right half section is close to the lateral wall of the left half section is provided with a second limiting groove used for limiting the sealing structure along the circumferential direction, and the first limiting groove is communicated with the second limiting groove.

Through adopting above-mentioned technical scheme, first spacing groove and second spacing groove have spacing effect to seal structure, and the staff of being convenient for installs seal structure.

Optionally, the left half section and the right half section are provided with threads for mounting a sealing structure along the axis, and the threads extend to the first limiting groove and the second limiting groove.

Through adopting above-mentioned technical scheme, earlier seal structure threaded connection is at the lateral wall of pipeline, then is fixing seal structure through other fixed mode, has the effect that makes things convenient for the staff to the predetermined position of seal structure.

On the other hand, the sealing structure for the pipe fitting provided by the application adopts the following technical scheme:

including two fastening components, one of them fastening component connect in on half section of a left side, another fastening component connect in on half section of the right side, fastening component includes the flange, connects in the boss of flange inner circle, two the laminating of flange lateral wall mutually, and one of them the boss inserts in the first spacing groove, another the boss inserts in the second spacing groove, the first bolt of a plurality of is worn to be equipped with by the flange, and it is fixed through first nut after two flanges are inserted in proper order to the affiliated first bolt of a plurality of.

Through adopting above-mentioned technical scheme, set up fastening components in the outside of meeting water inflation rubber circle, further improved the leakproofness of pipe fitting, reduced the possibility that the pipe fitting gas tightness reduces.

Optionally, the fastening assembly further includes a connection sleeve, the connection sleeve is respectively in threaded connection with the left half section and the right half section, and the connection sleeve abuts against the side wall of the flange.

Through adopting above-mentioned technical scheme, when installation fastening components, with the adapter sleeve from the left half section of interface end screw in respectively and half section on the right side, then installation flange plays the effect of buffering in the junction of flange and pipeline, the wall thickness of increase pipe fitting junction for the intensity of pipe fitting junction is bigger, is difficult to receive the damage.

Optionally, the cross-section of adapter sleeve is trapezoidal, just the diameter of adapter sleeve outer lane is reduced to keeping away from port department by being close to port department gradually, the outside of adapter sleeve is still overlapped and is equipped with the lock sleeve, the inner circle of lock sleeve be provided with the inclined plane of adapter sleeve looks adaptation, the spread groove has been seted up to the lock sleeve axial, the lateral wall of lock sleeve is provided with two and connects the platform, one connect the platform to be located one side of spread groove, another connect the platform to be located the opposite side of spread groove, connect and wear to be equipped with the second bolt on the platform, the second bolt inserts two in proper order and connects and lock through the second nut behind the platform.

Through adopting above-mentioned technical scheme, the lock sleeve is located the outside of adapter sleeve, after the adapter sleeve is fixed the position, through second bolt and second nut locking lock sleeve, the lock sleeve is further locked the location to the adapter sleeve simultaneously, then aims at left half section and right half section and with flange interconnect.

Optionally, the locking sleeve is provided with an anti-slip surface with a horizontal cross section on the inner ring side wall close to the flange, and the anti-slip surface is provided with a plurality of anti-slip lines.

Through adopting above-mentioned technical scheme, the setting up of antiskid face and anti-skidding line makes lock sleeve and adapter sleeve be difficult to take place relative slip, has improved the holistic stability of pipe fitting.

In summary, the present application includes at least one of the following benefits:

the groove of zigzag is set to the junction of half section on a left side and half section on the right side, the anti shear strength of pipe fitting junction has been improved, make the junction of pipe fitting be difficult to take place relative rotation, after splicing, cover water-swelling rubber at the junction of half section on a left side and half section on the right side, when the condition of leaking takes place for the junction, thereby water-swelling rubber can further expand and block the junction of pipe fitting, along with the extension of live time, when the rubber circle takes place to damage, the gas tightness and the water proofness of pipe fitting junction are difficult to reduce.

Drawings

Fig. 1 is a schematic structural diagram of a pipe fitting and a sealing structure suitable for the pipe fitting according to an embodiment of the present disclosure.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a perspective view of a pipe and a sealing structure suitable for the pipe according to an embodiment of the present disclosure.

Description of the reference numerals: 1. a left half section; 2. a right half section; 3. a first sawtooth groove; 4. a second sawtooth groove; 5. water-swellable rubber; 6. sinking into a tank; 7. a first limit groove; 8. a second limit groove; 9. a thread; 10. a fastening assembly; 11. a flange; 12. a boss; 13. a first bolt; 14. a first nut; 15. a second bolt; 16. a second nut; 17. connecting sleeves; 18. a locking sleeve; 19. a bevel; 20. connecting grooves; 21. a connecting table; 22. an anti-slip surface; 23. and (4) anti-skid lines.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

In one aspect, embodiments of the present application disclose a pipe fitting. Referring to fig. 1 and 2, the pipe fitting includes half section 1 in a left side and half section 2 in the right side, half section 1 in a left side is close to half section 2 in the right side one end circumference and has seted up first sawtooth groove 3, half section 2 in the right side is close to half section 1 in a left side one end circumference and has seted up second sawtooth groove 4, first sawtooth groove 3 and second sawtooth groove 4 correspond each other, half section 1 in a left side is close to half section 2 in the right side lateral wall cover and is equipped with water-swelling rubber 5, half section 5 parcel in water-swelling rubber 5 in a part left side is half section 1 in a left side, half section 2 in another part parcel in water-swelling rubber 5 in a right side, make the junction of half section 1 in a left side and half section 2 in a right side wrap up by water-swelling rubber 5 completely. Half section 1 on the left side and half section 2 on the right side all offer be used for placing the groove 6 that sinks of meeting water inflation rubber 5, meet the water inflation rubber 5 and set up the lateral wall of sinking the groove 6 at half section 1 on the left side and half section 2 on the right side for meet water inflation rubber 5 surface around its surface and pipe fitting after the installation and flush.

Referring to fig. 1 and 2, a first spacing groove 7 has been seted up to the lateral wall circumference that left half section 1 is close to right half section 2, second spacing groove 8 has been seted up to the lateral wall circumference that right half section 2 is close to left half section 1, first spacing groove 7 and second spacing groove 8 intercommunication are used for connecting seal assembly, the lateral wall of left half section 1 and right half section 2 all is provided with the screw thread 9 that is used for installing seal assembly along circumference, screw thread 9 extends to the lateral wall department that left half section 1 seted up first spacing groove 7 and the lateral wall department that right half section 2 seted up second spacing groove 8 respectively.

On the other hand, the embodiment of the application discloses a sealing structure. Referring to fig. 2 and 3, the sealing structure comprises two fastening assemblies 10, wherein one fastening assembly 10 is connected to the left half segment 1, the other fastening assembly 10 is connected to the right half segment 2, and the two fastening assemblies 10 are connected to each other to realize the connection of the left half segment 1 and the right half segment 2. Fastening components 10 includes flange 11, be fixed in the boss 12 of flange 11 inner circle, two flanges 11 lateral walls support each other tightly when the mounted state, one of them boss 12 inserts in first spacing groove 7, another boss 12 inserts in second spacing groove 8, flange 11 is worn to be equipped with the first bolt 13 of a plurality of, the first bolt 13 of a plurality of inserts two flanges 11 in proper order after fixed through the nut, the cross-section of flange 11 is the quadrangle, and the equal radius angle in four angles of flange 11, be used for reducing the scraping of peripheral personnel and bump.

Referring to fig. 2 and 3, the fastening assembly 10 further includes a connecting sleeve 17 and a locking sleeve 18 sleeved on an outer wall of the connecting sleeve 17. The adapter sleeve 17 is respectively in left half section 1 and right half section 2 threaded connection, the tip of adapter sleeve 17 and the lateral wall butt of flange 11, and the cross-section of adapter sleeve 17 is for reminding, and the diameter of adapter sleeve 17 outer lane is reduced to keeping away from the port department by being close to the port department gradually. The inner circle of lock sleeve 18 is provided with the inclined plane 19 with adapter sleeve 17 looks adaptation, connecting groove 20 has been seted up to lock sleeve 18 axial, connecting groove 20 runs through the length direction of lock sleeve 18, the lateral wall that lock sleeve 18 seted up connecting groove 20 is fixed with two connection platforms 21, one of them connection platform 21 is located the top of adapter sleeve 17, another connection platform 21 is located the below of adapter sleeve 17, wear to be equipped with second bolt 15 on the connection platform 21, second bolt 15 inserts in proper order and locks through second nut 16 behind two connection platforms 21, the inner circle lateral wall that lock sleeve 18 is close to flange 11 is provided with the cross section and is horizontally antiskid face 22, be provided with a plurality of antiskid line 23 on the antiskid face 22.

The implementation principle of the pipe fitting and the sealing structure suitable for the pipe fitting in the embodiment of the application is as follows: firstly, fastening components 10 are pre-sleeved on a left half section 1 and a right half section 2, when the left half section 1 and the right half section 2 need to be connected, first sawtooth grooves 3 and second sawtooth grooves 4 are spliced and inserted, then water-swelling rubber 5 is wound in a groove 6, so that the left half section 1 and the right half section 2 are pre-fixed, then two flanges 11 are fixed through first bolts 13 and first nuts 14, the connecting sleeve 17 is rotated at a proper position to enable the end parts of the connecting sleeve 17 to respectively abut against the side walls of the flanges 11, then the locking sleeve 18 is sleeved on the outer side of the connecting sleeve 17, the connecting sleeve is fixed through second bolts 15 and second nuts 16 after being adjusted to a proper position, and the air tightness and the water tightness of the pipe fitting are not easy to reduce after long-time use.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pipe fitting, includes left half (1) and right half (2), its characterized in that: half section (1) on a left side is close to first sawtooth groove (3) have been seted up along circumference to the one end of half section (2) on the right side, half section (2) on the right side are close to the one end of half section (1) on a left side seted up with second sawtooth groove (4) of first sawtooth groove (3) looks adaptation, half section (1) on a left side is equipped with water-swelling rubber (5), one part water-swelling rubber (5) cover half section (1) on a left side, another part water-swelling rubber (5) cover half section (2) on the right side.

2. A pipe element according to claim 1, wherein: half section (1) on the left side with half section (2) on the right side all offer be used for placing and meet the sunken groove (6) of water inflation rubber (5), when meeting water inflation rubber (5) embedding when sinking in groove (6), meet the surface level of water inflation rubber (5) and pipe fitting.

3. A pipe element according to claim 2, wherein: half section (1) in a left side is close to the lateral wall of half section (2) in the right side is offered along circumference and is used for spacing first spacing groove (7) to seal structure, half section (2) in the right side is close to the lateral wall of half section (1) in the left side is offered along circumference and is used for spacing second spacing groove (8) to seal structure, first spacing groove (7) with second spacing groove (8) intercommunication.

4. A pipe element according to claim 3, wherein: the lateral wall of half section (1) on the left side with half section (2) on the right side all offers screw thread (9) that are used for installing seal structure along the axis, screw thread (9) extend to first spacing groove (7) with second spacing groove (8) department.

5. A seal structure for a pipe fitting according to claim 4, wherein: including two fastening components (10), one of them fastening component (10) connect in on half section (1) in the left side, another fastening component (10) connect in on half section (2) in the right side, fastening component (10) include flange (11), connect boss (12) in flange (11) inner circle, two the flange (11) lateral wall is laminated mutually, and one of them boss (12) insert in first spacing groove (7), another boss (12) insert in second spacing groove (8), flange (11) are worn to be equipped with the first bolt (13) of a plurality of, and the first bolt (13) that a plurality of belongs to insert in proper order after two flanges (11) through first nut (14) fixed.

6. A sealing arrangement according to claim 5, wherein: fastening components (10) still include adapter sleeve (17), adapter sleeve (17) respectively with half section (1) in a left side with half section (2) threaded connection in the right side, adapter sleeve (17) with the lateral wall butt of flange (11).

7. A sealing arrangement according to claim 6, wherein: the cross-section of adapter sleeve (17) is trapezoidal, just the diameter of adapter sleeve (17) outer lane reduces to keeping away from the port department by being close to the port department gradually, the outside of adapter sleeve (17) still overlaps and is equipped with lock sleeve (18), the inner circle of lock sleeve (18) be provided with inclined plane (19) of adapter sleeve (17) looks adaptation, spread groove (20) have been seted up to lock sleeve (18) axial, the lateral wall of lock sleeve (18) is provided with two and connects platform (21), one connect platform (21) to be located one side of spread groove (20), another connect platform (21) to be located the opposite side of spread groove (20), wear to be equipped with second bolt (15) on connecting platform (21), second bolt (15) insert two in proper order and connect and lock through second nut (16) behind platform (21).

8. A sealing structure according to claim 7, wherein: the locking sleeve (18) is provided with an anti-skid surface (22) with a horizontal section on the side wall of the inner ring close to the flange (11), and the anti-skid surface (22) is provided with a plurality of anti-skid grains (23).