CN216112664U

CN216112664U - Reducing straight joint

Info

Publication number: CN216112664U
Application number: CN202122630567.5U
Authority: CN
Inventors: 曹景江; 曹结斌; 王锦尧
Original assignee: Zhejiang Mingshi Xingxin Hvac Technology Co ltd
Current assignee: Zhejiang Mingshi Xingxin Hvac Technology Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-03-22
Anticipated expiration: 2031-10-30

Abstract

The utility model provides a reducing straight joint, belongs to the technical field of quick joints, and solves the problems that an existing joint is low in connecting and mounting efficiency, poor in locking effect and poor in sealing performance and the like. This reducing straight joint, be responsible for including the reducing, first card hole and second card hole have been seted up respectively to the both ends upside that the reducing was responsible for, the both ends in first card hole both ends and second card hole are equipped with U type stopper and articulated slab respectively, U type stopper and articulated slab form installation mechanism, be equipped with first snap ring and second snap ring on the installation mechanism respectively, be equipped with first ring flange and second ring flange on the both ends face that the reducing was responsible for respectively, the outside detachably of first ring flange is equipped with big sheath subassembly, the outside detachably of second ring flange is equipped with little sheath subassembly. The utility model is convenient for installing pipelines with different diameters, quickly and effectively locks the pipelines with different diameters, and simultaneously ensures the sealing property; the connection stability can be guaranteed, the function of protecting pipelines with different diameters is achieved, and the connection part is prevented from being abraded and bent.

Description

Reducing straight joint

Technical Field

The utility model belongs to the technical field of quick connectors, and relates to a straight connector, in particular to a reducing straight connector.

Background

The straight joint is a connecting pipe fitting in a pipeline system, and mainly comprises joint parts arranged at two ends of the straight joint and a hexagon bolt arranged between the two joint parts, when liquid is input into a pipeline, part of impurities enter the pipeline system, and some impurities with large particles and certain viscosity can be clamped inside the straight joint.

And the pipeline of the straight joint in the junction of pipe-line system is easy to bend and damage, influence life, and it is inconvenient to change.

Through retrieval, for example, chinese patent literature discloses a plastic reducing straight joint [ application number: CN 201120022836.3; publication No.: CN202048295U ]. The different-diameter straight joint is characterized in that one end of the different-diameter straight joint is a large pipe section, the other end of the different-diameter straight joint is a small pipe section, the radial size of the large pipe section is larger than that of the small pipe section, the straight joint is used for communicating two pipes with different calibers and keeping sealing performance, the large pipe section is connected with a thick pipe, and the small pipe section is connected with a thin pipe.

Although this patent is favorable to the quick connecting tube body of staff, improves work efficiency, nevertheless connects the low locking sealing performance of installation effectiveness poor.

Based on the above, the different-diameter straight joint which is used for quickly connecting pipelines with different diameters and has better protection performance for ensuring the connection tightness is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a reducing straight-through joint, which aims to solve the technical problems that: how to make the different diameter straight joint realize the pipeline of quick connection different diameters, guarantee simultaneously to connect the leakproofness.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a reducing straight joint, is responsible for including the reducing, first card hole and second card hole have been seted up respectively to the both ends upside that the reducing was responsible for, and the both ends in first card hole both ends and second card hole are equipped with U type stopper and articulated slab respectively, and U type stopper and articulated slab form installation mechanism, are equipped with first snap ring and second snap ring on the installation mechanism respectively, are equipped with first ring flange and second ring flange on the both ends face that the reducing was responsible for respectively, and the outside detachably of first ring flange is equipped with big sheath subassembly, and the outside detachably of second ring flange is equipped with little sheath subassembly.

The working principle of the utility model is as follows: the device can be provided with a plurality of specifications, pipelines with different diameters to be connected respectively penetrate through the large sheath assembly and the small sheath assembly, then are inserted from two ends of the reducing main pipe, and then the first clamping ring and the second clamping ring are respectively closed to clamp the pipelines with different diameters, so that the sealing property is ensured; the large sheath assembly and the first flange plate are connected and locked, the small sheath assembly and the second flange plate are connected and locked, pipelines with different diameters are connected together quickly and conveniently, the large sheath assembly and the small sheath assembly play a role in protecting the pipelines with different diameters, and the joints are prevented from being bent due to abrasion.

The reducing main pipe is a circular truncated cone body, a large-diameter inserting pipe and a small-diameter inserting pipe are arranged inside two ends of the reducing main pipe respectively, the large-diameter inserting pipe and the small-diameter inserting pipe extend out of the reducing main pipe, a large pipeline installation area and a small pipeline installation area are formed between the inside of the two ends of the reducing main pipe and the large-diameter inserting pipe and between the inside of the small-diameter inserting pipe respectively, pipelines with different diameters are arranged inside the large pipeline installation area and the small pipeline installation area respectively, the inner diameter of the large-diameter pipeline is equal to the outer diameter of the large-diameter inserting pipe, and the inner diameter of the small-diameter pipeline is equal to the outer diameter of the small-diameter inserting pipe.

By adopting the structure, the large-diameter insertion pipe and the small-diameter insertion pipe extend out of the main reducing pipe, pipelines with different diameters can be conveniently installed, the end parts of the pipelines with different diameters are respectively inserted into the large-diameter insertion pipe and the small-diameter insertion pipe, and are inserted into the large pipeline installation area and the small pipeline installation area.

The one end of first snap ring and the one end of second snap ring articulate respectively on the articulated slab that corresponds the position, and the other end of first snap ring and the other end of second snap ring articulate respectively has first screw rod and second screw rod, and the spiro union has first hand to twist nut and the second hand to twist the nut on first screw rod and the second screw rod respectively, and first hand is twisted nut and the second hand is twisted the nut and is all contradicted on the U type stopper that corresponds the position.

Structure more than adopting, the articulated slab is used for opening first snap ring and second snap ring, and the centre gripping is accomplished the back, and first screw rod and second screw rod block are inside U type stopper respectively, screw up first hand and twist nut and the second hand and twist the nut, and first hand is twisted nut and the second hand and is twisted the nut and contradict on the U type stopper of corresponding position, fixed first snap ring and second snap ring for the pipeline of different diameters is locked, guarantees the leakproofness.

The width of first snap ring equals with the width in first card hole, and the width of second snap ring equals with the width in second card hole, and the inside office of first snap ring and second snap ring ground detachably is equipped with centre gripping rubber pad.

By adopting the structure, the clamping rubber gasket has the advantages that the clamping rubber gasket is stable in clamping and equal in width, and the clamping friction force is increased.

The first flange plate is provided with a plurality of first step holes which are uniformly distributed in the circumference, and the second flange plate is provided with a plurality of second step holes which are uniformly distributed in the circumference.

By adopting the structure, the first stepped hole is used for installing the large sheath assembly, and the second stepped hole is used for installing the small sheath assembly.

Big sheath subassembly includes big flange, and the inside of big flange is equipped with big footpath rubber sleeve, and the internal diameter of big footpath rubber sleeve equals with the external diameter of big footpath pipeline, is equipped with the siphunculus one of a plurality of circumference equipartitions on the big flange, and inside the siphunculus one contradicted at the first step hole that corresponds the position, and it is vice that siphunculus one is inside all to be equipped with first screw rod.

The structure more than adopting, inside the siphunculus is contradicted at the first step hole that corresponds the position, and first screw rod is vice to be used for the closure big flange and first ring flange, and big footpath pipeline is installed in the inside of big footpath rubber sleeve, and big footpath rubber sleeve protection big footpath pipeline avoids the junction wearing and tearing to bend.

Little sheath subassembly includes little flange, and the inside of little flange is equipped with the path rubber sleeve, and the internal diameter of path rubber sleeve equals with the external diameter of path pipeline, is equipped with the siphunculus two of a plurality of circumference equipartitions on the little flange, and the siphunculus two is contradicted inside the second step hole that corresponds the position, and it is vice that siphunculus two is inside all to be equipped with the second screw rod.

Structure more than adopting, the siphunculus two is contradicted inside the second step hole that corresponds the position, and the second screw rod is vice to be used for small flange and second ring flange, and the path pipeline is installed in the inside of path rubber sleeve, and path rubber sleeve protection path pipeline avoids the junction wearing and tearing to bend.

Compared with the prior art, the reducing straight joint has the following advantages:

the end parts of the pipelines with different diameters are respectively inserted into the large-diameter insertion pipe and the small-diameter insertion pipe and are inserted into the large pipeline installation area and the small pipeline installation area, so that the pipelines with different diameters can be conveniently installed;

the first clamping ring, the first screw and the first hand-screwed nut are matched, and meanwhile the clamping rubber pad increases the clamping friction force, so that the large-diameter pipeline is quickly and effectively locked, and meanwhile, the sealing performance is ensured;

through the matching of the second clamping ring, the second screw and the second hand-screwed nut, the clamping rubber pad is clamped to increase the clamping friction force, the small-diameter pipeline is quickly and effectively locked, and meanwhile, the sealing performance is guaranteed;

through the cooperation of reducing the person in charge with big sheath subassembly and little sheath subassembly respectively, can guarantee to connect stably, play the effect of the pipeline of protection different diameters again, avoid the junction wearing and tearing to bend.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a perspective view of a part of the components of the present invention.

Fig. 3 is a schematic cross-sectional structure of fig. 2.

Fig. 4 is a perspective view of the large sheath assembly of the present invention.

Figure 5 is a perspective view of the small sheath assembly of the present invention.

In the figure, 1, a reducing main pipe; 2. a first U-shaped limiting block; 3. screwing the nut by a first hand; 4. a first snap ring; 5. a first flange plate; 6. a large sheath assembly; 7. a large-diameter pipeline; 8. a first screw pair; 9. a first card hole; 10. a second card hole; 11. a second snap ring; 12. a hinge plate; 13. a second flange plate; 14. a second screw pair; 15. a small sheath assembly; 16. a small diameter pipeline; 17. inserting a small-diameter pipe; 18. a second stepped bore; 19. a first stepped bore; 20. a large-diameter cannula; 21. screwing the screw cap by a second hand; 22. a large-diameter rubber sleeve; 23. a large flange; 24. a first through pipe; 25. a small-diameter rubber sleeve; 26. a small flange; 27. and a second through pipe.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the reducing straight joint includes a reducing main pipe 1, wherein the upper sides of two ends of the reducing main pipe 1 are respectively provided with a first clamping hole 9 and a second clamping hole 10, two ends of the first clamping hole 9 and two ends of the second clamping hole 10 are respectively provided with a U-shaped limiting block 2 and a hinged plate 12, the U-shaped limiting block 2 and the hinged plate 12 form an installation mechanism, the installation mechanism is respectively provided with a first snap ring 4 and a second snap ring 11, two end surfaces of the reducing main pipe 1 are respectively provided with a first flange 5 and a second flange 13, the outer side of the first flange 5 is detachably provided with a large sheath assembly 6, and the outer side of the second flange 13 is detachably provided with a small sheath assembly 15; the device can be provided with a plurality of specifications, a large-diameter pipeline 7 and a small-diameter pipeline 16 which need to be connected respectively penetrate through a large sheath component 6 and a small sheath component 15, then are inserted from two ends of a reducing main pipe 1, and then a first clamping ring 4 and a second clamping ring 11 are respectively closed, so that the large-diameter pipeline 7 and the small-diameter pipeline 16 are clamped, and the sealing performance is ensured; and then the large sheath assembly 6 is connected and locked with the first flange plate 5, and then the small sheath assembly 15 is connected and locked with the second flange plate 13, so that the large-diameter pipeline 7 and the small-diameter pipeline 16 are quickly and conveniently connected together, and the large sheath assembly 6 and the small sheath assembly 15 play a role in protecting the large-diameter pipeline 7 and the small-diameter pipeline 16, thereby avoiding the abrasion and bending of the joint.

The reducing main pipe 1 is a circular truncated cone, a large-diameter insertion pipe 20 and a small-diameter insertion pipe 17 are arranged inside two ends of the reducing main pipe 1 respectively, the large-diameter insertion pipe 20 and the small-diameter insertion pipe 17 extend out of the reducing main pipe 1, a large pipeline installation area and a small pipeline installation area are formed inside two ends of the reducing main pipe 1 and between the large-diameter insertion pipe 20 and the small-diameter insertion pipe 17 respectively, a large-diameter pipeline 7 and a small-diameter pipeline 16 are arranged inside the large pipeline installation area and the small pipeline installation area respectively, the inner diameter of the large-diameter pipeline 7 is equal to the outer diameter of the large-diameter insertion pipe 20, and the inner diameter of the small-diameter pipeline 16 is equal to the outer diameter of the small-diameter insertion pipe 17; the large-diameter insertion pipe 20 and the small-diameter insertion pipe 17 extend out of the main reducing pipe 1, the large-diameter pipeline 7 and the small-diameter pipeline 16 are convenient to install, and the end portions of the large-diameter pipeline 7 and the small-diameter pipeline 16 are inserted into the large-diameter insertion pipe 20 and the small-diameter insertion pipe 17 respectively and are inserted into the large pipeline installation area and the small pipeline installation area.

One end of the first snap ring 4 and one end of the second snap ring 11 are respectively hinged on the hinged plates 12 at the corresponding positions, the other end of the first snap ring 4 and the other end of the second snap ring 11 are respectively hinged with a first screw rod and a second screw rod, the first screw rod and the second screw rod are respectively screwed with a first manual screw cap 3 and a second manual screw cap 21, and the first manual screw cap 3 and the second manual screw cap 21 are both abutted on the U-shaped limiting blocks 2 at the corresponding positions; the hinged plate 12 is used for opening a first clamping ring 4 and a second clamping ring 11, after clamping is completed, the first screw rod and the second screw rod are respectively clamped inside the U-shaped limiting block 2, a first hand screw nut 3 and a second hand screw nut 21 are screwed, the first hand screw nut 3 and the second hand screw nut 21 are abutted on the U-shaped limiting block 2 at the corresponding position, the first clamping ring 4 and the second clamping ring 11 are fixed, the large-diameter pipeline 7 and the small-diameter pipeline 16 are locked, and sealing performance is guaranteed.

The width of the first snap ring 4 is equal to that of the first snap hole 9, the width of the second snap ring 11 is equal to that of the second snap hole 10, and clamping rubber pads are detachably arranged on the inner surfaces of the first snap ring 4 and the second snap ring 11; the equal block of width is stable, and the centre gripping rubber pad can produce deformation, increases centre gripping frictional force.

A plurality of first step holes 19 which are uniformly distributed on the circumference are formed in the first flange plate 5, and a plurality of second step holes 18 which are uniformly distributed on the circumference are formed in the second flange plate 13; the first stepped bore 19 is used to mount the large jacket assembly 6 and the second stepped bore 18 is used to mount the small jacket assembly 15.

The large sheath assembly 6 comprises a large flange 23, a large-diameter rubber sleeve 22 is arranged inside the large flange 23, the inner diameter of the large-diameter rubber sleeve 22 is equal to the outer diameter of the large-diameter pipeline 7, a plurality of circumferentially and uniformly distributed through pipes 24 are arranged on the large flange 23, the through pipes 24 are abutted to the inside of the first stepped hole 19 at the corresponding positions, and first screw rod pairs 8 are arranged inside the through pipes 24; the through pipe I24 is abutted to the inside of the first step hole 19 in the corresponding position, the first screw rod pair 8 is used for locking the large flange 23 and the first flange plate 5, the large-diameter pipeline 7 is installed inside the large-diameter rubber sleeve 22, and the large-diameter rubber sleeve 22 protects the large-diameter pipeline 7 to avoid the abrasion and bending of the joint.

The small sheath component 15 comprises a small flange 26, a small-diameter rubber sleeve 25 is arranged inside the small flange 26, the inner diameter of the small-diameter rubber sleeve 25 is equal to the outer diameter of the small-diameter pipeline 16, a plurality of through pipes 27 which are uniformly distributed on the circumference are arranged on the small flange 26, the through pipes 27 are abutted to the inside of the second stepped hole 18 at the corresponding positions, and second screw pairs 14 are arranged inside the through pipes 27; the through pipe 27 abuts against the inside of the second stepped hole 18 at the corresponding position, the second screw pair 14 is used for the small flange 26 and the second flange plate 13, the small-diameter pipeline 16 is installed inside the small-diameter rubber sleeve 25, and the small-diameter rubber sleeve 25 protects the small-diameter pipeline 16 to avoid the abrasion and bending of the joint.

The working principle of the utility model is as follows:

the device can be provided with a plurality of specifications, the device with the proper specification is selected according to the pipe diameters of the large-diameter pipeline 7 and the small-diameter pipeline 16 which need to be connected, and the large-diameter pipeline 7 and the small-diameter pipeline 16 which need to be connected respectively pass through the large-diameter rubber sleeve 22 and the small-diameter rubber sleeve 25;

inserting the ends of the large-diameter pipeline 7 and the small-diameter pipeline 16 into the large-diameter insertion pipe 20 and the small-diameter insertion pipe 17 respectively, and inserting and combining the ends into the large pipeline installation area and the small pipeline installation area;

the first clamping ring 4 and the second clamping ring 11 are closed, corresponding clamping rubber gaskets are abutted to the large-diameter pipeline 7 and the small-diameter pipeline 16, the screw cap 3 screwed by one hand and the screw cap 21 screwed by the second hand are abutted to the U-shaped limiting block 2 at the corresponding positions, the first clamping ring 4 and the second clamping ring 11 are fixed and used for locking the large-diameter pipeline 7 and the small-diameter pipeline 16, and meanwhile, the sealing performance is guaranteed;

the through pipe I24 is abutted to the inside of the first stepped hole 19 at the corresponding position, the first screw pair 8 is used for locking the large flange 23 and the first flange plate 5, the large-diameter pipeline 7 is arranged inside the large-diameter rubber sleeve 22, and the large-diameter rubber sleeve 22 protects the large-diameter pipeline 7 to avoid the abrasion and bending of the joint;

the through pipe 27 abuts against the inside of the second stepped hole 18 at the corresponding position, the second screw pair 14 is used for the small flange 26 and the second flange 13, the small-diameter pipeline 16 is installed inside the small-diameter rubber sleeve 25, and the small-diameter rubber sleeve 25 protects the small-diameter pipeline 16 to avoid the abrasion and bending of the joint.

In summary, the ends of the large-diameter pipeline 7 and the small-diameter pipeline 16 are respectively inserted into the large-diameter insertion pipe 20 and the small-diameter insertion pipe 17, and are inserted into the large pipeline installation area and the small pipeline installation area, so that the large-diameter pipeline 7 and the small-diameter pipeline 16 are convenient to install;

the first clamping ring 4, the first screw and the first hand-screwed nut 3 are matched, and meanwhile, the clamping rubber pad is clamped to increase the clamping friction force, so that the large-diameter pipeline 7 is quickly and effectively locked, and meanwhile, the sealing performance is guaranteed;

the second clamping ring 11, the second screw and the second hand-screwed nut 21 are matched, and meanwhile, the rubber gasket is clamped to increase clamping friction force, so that the small-diameter pipeline 16 is locked quickly and effectively, and meanwhile, the sealing performance is guaranteed;

through the cooperation of reducing person in charge 1 with big sheath subassembly 6 and little sheath subassembly 15 respectively, can guarantee to connect stably, play the effect of protection major diameter pipeline 7 and path pipeline 16 again, avoid the junction wearing and tearing to bend.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model or exceeding the scope of the appended claims.

Claims

1. The utility model provides a reducing straight joint, be responsible for (1) including the reducing, a serial communication port, the reducing is responsible for the both ends upside of (1) and has seted up first card hole (9) and second card hole (10) respectively, the both ends of first card hole (9) both ends and second card hole (10) are equipped with U type stopper (2) and articulated slab (12) respectively, U type stopper (2) and articulated slab (12) form installation mechanism, be equipped with first snap ring (4) and second snap ring (11) on the installation mechanism respectively, be equipped with first ring flange (5) and second ring flange (13) on the both ends face of reducing is responsible for (1) respectively, the outside detachably of first ring flange (5) is equipped with big sheath subassembly (6), the outside detachably of second ring flange (13) is equipped with little sheath subassembly (15).

2. The reducing straight-through joint according to claim 1, wherein the reducing main pipe (1) is a truncated cone, a large-diameter insertion pipe (20) and a small-diameter insertion pipe (17) are respectively arranged inside two ends of the reducing main pipe (1), the large-diameter insertion pipe (20) and the small-diameter insertion pipe (17) both extend out of the reducing main pipe (1), a large pipeline installation area and a small pipeline installation area are respectively formed inside two ends of the reducing main pipe (1) and between the large-diameter insertion pipe (20) and the small-diameter insertion pipe (17), a large-diameter pipeline (7) and a small-diameter pipeline (16) are respectively arranged inside the large pipeline installation area and the small pipeline installation area, the inner diameter of the large-diameter pipeline (7) is equal to the outer diameter of the large-diameter insertion pipe (20), and the inner diameter of the small-diameter pipeline (16) is equal to the outer diameter of the small-diameter insertion pipe (17).

3. The reducing straight-through joint according to claim 1, wherein one end of the first snap ring (4) and one end of the second snap ring (11) are respectively hinged to the hinged plate (12) at the corresponding position, the other end of the first snap ring (4) and the other end of the second snap ring (11) are respectively hinged to a first screw and a second screw, the first screw and the second screw are respectively screwed with a first manual screw cap (3) and a second manual screw cap (21), and the first manual screw cap (3) and the second manual screw cap (21) are abutted to the U-shaped limiting block (2) at the corresponding position.

4. A different-diameter through joint according to claim 1, wherein the width of the first snap ring (4) is equal to the width of the first snap hole (9), the width of the second snap ring (11) is equal to the width of the second snap hole (10), and the inner portions of the first snap ring (4) and the second snap ring (11) are detachably provided with clamping rubber pads.

5. A different-diameter straight-through joint according to claim 1, wherein the first flange (5) is provided with a plurality of first step holes (19) which are circumferentially and uniformly distributed, and the second flange (13) is provided with a plurality of second step holes (18) which are circumferentially and uniformly distributed.

6. The reducing straight-through joint according to claim 5, wherein the large sheath assembly (6) comprises a large flange (23), a large-diameter rubber sleeve (22) is arranged inside the large flange (23), the inner diameter of the large-diameter rubber sleeve (22) is equal to the outer diameter of the large-diameter pipeline (7), a plurality of circumferentially and uniformly distributed through pipes (24) are arranged on the large flange (23), the through pipes (24) are abutted to the inside of the first step holes (19) at corresponding positions, and a first screw pair (8) is arranged inside each through pipe (24).

7. The reducing straight-through joint according to claim 5 or 6, wherein the small sheath assembly (15) comprises a small flange (26), a small-diameter rubber sleeve (25) is arranged inside the small flange (26), the inner diameter of the small-diameter rubber sleeve (25) is equal to the outer diameter of the small-diameter pipeline (16), a plurality of through pipes (27) which are uniformly distributed on the circumference are arranged on the small flange (26), the through pipes (27) are abutted to the inside of second stepped holes (18) at corresponding positions, and second screw pairs (14) are arranged inside the through pipes (27).