CN216279998U

CN216279998U - Clamping sleeve type right-angle joint body

Info

Publication number: CN216279998U
Application number: CN202122575207.XU
Authority: CN
Inventors: 俞校军; 俞丹阳
Original assignee: Zhejiang Sanye Machinery Co ltd
Current assignee: Zhejiang Sanye Machinery Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-12
Anticipated expiration: 2031-10-26

Abstract

A clamping sleeve type right-angle joint body relates to the field of right-angle joint bodies and comprises a joint main body, wherein the right side and the lower side of the joint main body are both fixedly provided with joint bodies, the structure in the joint body is consistent, the utility model connects and seals the steel pipe by arranging the joint main body, the cutting sleeve main body and the nut, when in fixation, firstly, the steel pipe is put into the special-shaped through hole, then the ferrule main body is sleeved outside the steel pipe, then the nut is screwed in the positive direction, the steel pipe can be fixed and sealed by a sliding block and a lateral sealing ring arranged in the clamping sleeve body, because the lateral sealing ring has elasticity and can be properly deformed, the gap can be effectively sealed when the nut is screwed in, and when the temperature difference is deformed, the elastic allowance of the lateral sealing ring can still fill the gap, and the outer wall of the steel pipe cannot have an occlusion gap, so that the purposes of still keeping better sealing property and not damaging the steel pipe under the condition of larger temperature difference change are achieved.

Description

Clamping sleeve type right-angle joint body

Technical Field

The utility model relates to the field of right-angle joint bodies, in particular to a clamping sleeve type right-angle joint body.

Background

The ferrule type pipe joint consists of three parts: the connector body, cutting ferrule, nut. After the clamping sleeve and the nut are sleeved on the steel pipe and inserted into the joint body, when the nut is screwed, the outer side of the front end of the clamping sleeve is attached to the conical surface of the joint body, and the inner blade is uniformly engaged with the seamless steel pipe to form effective sealing.

The general cutting ferrule type joint adopts the inner blade to bite into the seamless steel pipe to form sealing and fixing, but when the practical environment temperature is greatly changed, the material can deform according to the temperature, so that the sealing performance is reduced, meanwhile, the inner blade bites into the seamless steel pipe, so that the steel pipe is irrecoverable to be damaged, and once the steel pipe is taken out and then is required to be installed again, the damaged bite part can cause leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ferrule type right-angle joint body to solve the problems in the prior art.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

a clamping sleeve type right-angle joint body comprises a joint body, wherein the right side and the lower side of the joint body are fixedly provided with joint bodies, the structures in the joint bodies are consistent, the included angle between the central lines of the joint bodies on the two sides is ninety degrees, the outer side surface of the joint body on the right side is fixedly provided with an external thread structure, the inner side of the joint body is provided with a special-shaped through hole, the left side wall of the special-shaped through hole is fixedly provided with all end sealing pieces, the outer side of the joint body is provided with a nut, a barrel groove is arranged in the nut, an internal thread structure is arranged in the barrel groove and is in threaded connection with the external thread structure, a clamping sleeve body is arranged in the special-shaped through hole, the left side of the clamping sleeve body is uniformly provided with connecting rods around the circle center, the left side of each connecting rod is fixedly provided with a clamping sleeve body, clamping sleeve inner holes are arranged in the clamping sleeve body, and the clamping sleeve body is uniformly provided with eight hinged spaces around the circle center, each the left side in articulated space is equipped with the slip space, the slip space with link up between the articulated space, each group articulated space with the slip spatial structure is unanimous, each the slip space with the cutting ferrule hole link up, the fixed connecting rod that is equipped with of cutting ferrule main part left surface, the connecting rod extends to left in the articulated space, the fixed rotation base that is equipped with between the articulated space lateral wall, it has the hinge bar to articulate on the rotation base, the hinge bar right-hand member with the connecting rod is articulated, the hinge bar left end extends to in the slip space, it is equipped with the sliding block to slide between the slip space lateral wall, the fixed articulated base that is equipped with of sliding block one end, articulated base with articulate between the hinge bar, all the fixed all side direction sealing washer of position department that the sliding block corresponds.

Advantageously, the hinge space is a telescopic structure, and hydraulic oil is arranged in the hinge space, so that the hinge space has a certain telescopic resistance.

Advantageously, the diameter of the leftmost end of the special-shaped through hole is constant, the diameter of the rightmost end of the special-shaped through hole is larger than that of the leftmost end, a diameter-changing section is arranged between the leftmost end and the rightmost end, the diameter of the diameter-changing section is increased from left to right, and the structure of the special-shaped through hole can be used for limiting a steel pipe and matching the clamping sleeve body and the clamping sleeve main body.

Advantageously, the left side surface of the sleeve body is connected with the diameter-variable section arranged in the middle of the special-shaped through hole in an abutting mode, the rightmost end of the sleeve body is provided with a chamfer, and when the sleeve body is installed in the special-shaped through hole, the left side surface of the sleeve body is connected with the side wall of the diameter-variable section of the special-shaped through hole in an abutting mode to play a role in limiting movement.

Advantageously, the barrel groove is formed in the inner side of the nut, the left end of the barrel groove is a section with a constant diameter, the rightmost end of the nut is provided with a through hole, the diameter of the through hole is larger than that of the steel pipe, an inclined section is arranged between the through hole of the nut and the leftmost end of the nut, the diameter of the inclined section is reduced from left to right, the inclined section of the nut abuts against the right side face of the ferrule main body, when the nut is screwed into the joint body, the nut gradually moves leftwards, and the ferrule main body moves leftwards relative to the ferrule body by the fact that the inclined section of the nut abuts against the right side face of the ferrule main body leftwards.

Beneficially, the side direction sealing washer and the tip sealing member are elastic sealing washers, the side direction sealing washer is connected with the lateral surface butt of the steel pipe that needs to install, the tip sealing member is connected with the left surface butt of the steel pipe that needs to install, can prevent when the difference in temperature is great the liquid that circulates in the dysmorphism through-hole appears leaking.

The utility model has the advantages and positive effects that:

according to the utility model, the joint main body, the ferrule main body and the nut are arranged to connect and seal the steel pipe, when the steel pipe is fixed, the steel pipe is firstly placed into the special-shaped through hole, the ferrule main body is sleeved outside the steel pipe, then the nut is screwed in the forward direction, the steel pipe can be fixed and sealed through the sliding block and the lateral sealing ring arranged in the ferrule body, the lateral sealing ring has elasticity and can deform properly, when the nut is screwed in, a gap can be effectively sealed, and when the temperature difference deforms, the elastic allowance of the lateral sealing ring can still fill the gap, and no occlusion gap exists on the outer wall of the steel pipe, so that the purposes of still keeping better sealing property and not damaging the steel pipe under the condition of larger temperature difference change are achieved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall full-section front view structural diagram of a ferrule type right-angle joint body according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the connector body of FIG. 2 in isolation in accordance with the present invention;

FIG. 4 is a schematic view of the separate structure of the card sleeve body of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the nut of FIG. 2 in isolation in accordance with the present invention;

FIG. 6 is an enlarged view of a portion of the utility model shown at B in FIG. 4.

The scores in the figures are as follows: 11. a connector body; 12. a fitting body; 13. an external thread structure; 14. a special-shaped through hole; 15. an end seal; 16. a nut; 17. an internal thread structure; 18. a barrel groove; 19. a ferrule body; 20. a connecting rod; 21. a sleeve body; 22. a hinge space; 23. rotating the base; 24. a connecting rod; 25. a hinged lever; 26. a sliding space; 27. a slider; 28. a hinged base; 29. a lateral sealing ring; 30. the cutting ferrule hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The utility model will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

referring to fig. 1-6, an embodiment of the present invention is shown: a clamping sleeve type right-angle joint body comprises a joint body 11, wherein joint bodies 12 are fixedly arranged on the right side and the lower side of the joint body 11, the structures in the joint bodies 12 are consistent, included angles between center lines of the joint bodies 12 on two sides are ninety degrees, an external thread structure 13 is fixedly arranged on the outer side face of the joint body 12 on the right side, a special-shaped through hole 14 is arranged on the inner side of the joint body 12, all end sealing pieces 15 are fixed on the left side wall of the special-shaped through hole 14, a nut 16 is arranged on the outer side of the joint body 12, a barrel groove 18 is arranged in the nut 16, an internal thread structure 17 is arranged in the barrel groove 18, the internal thread structure 17 is in threaded connection with the external thread structure 13, a clamping sleeve body 19 is arranged in the special-shaped through hole 14, connecting rods 20 are uniformly arranged on the left side of the clamping sleeve body 19 around the circle center, a clamping sleeve body 21 is fixedly arranged on the left side of the connecting rod 20, and a clamping sleeve inner hole 30 is arranged in the clamping sleeve body 21, the clamping sleeve body 21 is uniformly provided with eight hinged spaces 22 around the circle center, the left side of each hinged space 22 is provided with a sliding space 26, the sliding space 26 is communicated with the hinged spaces 22, each group of hinged spaces 22 and the sliding space 26 are consistent in structure, each sliding space 26 is communicated with a clamping sleeve inner hole 30, the left side surface of the clamping sleeve main body 19 is fixedly provided with a connecting rod 24, the connecting rod 24 extends leftwards into the hinged spaces 22, a rotating base 23 is fixedly arranged between the side walls of the hinged spaces 22, a hinged rod 25 is hinged on the rotating base 23, the right end of the hinged rod 25 is hinged with the connecting rod 24, the left end of the hinged rod 25 extends into the sliding space 26, a sliding block 27 is arranged between the side walls of the sliding spaces 26 in a sliding manner, one end of the sliding block 27 is fixedly provided with a hinged base 28, and the hinged base 28 is hinged with the hinged rod 25, all the lateral sealing rings 29 are fixed at the corresponding positions of all the sliding blocks 27.

In addition, in an embodiment, the hinge space 22 is a telescopic structure, and hydraulic oil is provided inside the hinge space 22, so that the hinge space 22 has a certain telescopic resistance.

In addition, in one embodiment, the diameter of the leftmost end of the irregular through hole 14 is constant, the diameter of the rightmost end is larger than that of the leftmost end, a reducing section is arranged between the leftmost end and the rightmost end, the diameter of the reducing section increases from left to right, and the irregular through hole 14 can be used for limiting a steel pipe and matching the ferrule body 21 and the ferrule body 19.

In addition, in an embodiment, the left side surface of the ferrule body 21 abuts against and is connected with the diameter-changing section arranged in the middle of the special-shaped through hole 14, the rightmost end of the ferrule body 19 is provided with a chamfer, and when the ferrule body 19 is installed in the special-shaped through hole 14, the left side surface of the ferrule body 21 abuts against the side wall of the diameter-changing section of the special-shaped through hole 14 to limit movement.

In addition, in an embodiment, the barrel groove 18 is arranged inside the nut 16, the left end of the barrel groove 18 is a section with a constant diameter, the rightmost end of the nut 16 is provided with a through hole, the diameter of the through hole is larger than that of the steel pipe, an inclined section is arranged between the through hole of the nut 16 and the leftmost end of the nut 16, the diameter of the inclined section is reduced from left to right, the inclined section of the nut 16 abuts against the right side surface of the ferrule main body 19, when the nut 16 is screwed into the connector body 12, the nut 16 gradually moves to the left, and the inclined section of the nut 16 abuts against the right side surface of the ferrule main body 19 to the left, so that the ferrule main body 19 moves to the left relative to the ferrule body 21.

In addition, in one embodiment, the lateral sealing ring 29 and the end sealing member 15 are elastic sealing rings, the lateral sealing ring 29 is connected with the outer side surface of the steel pipe to be installed in an abutting mode, the end sealing member 15 is connected with the left side surface of the steel pipe to be installed in an abutting mode, and therefore liquid flowing through the special-shaped through hole 14 can be prevented from leaking when temperature difference is large.

In specific implementation, when a steel pipe needs to be installed, the steel pipe needing to be installed is connected into the special-shaped through hole 14, because the left side of the special-shaped through hole 14 is provided with the step structure, the steel pipe abuts against the step and then is provided with the ferrule main body 19, the ferrule main body 19 is sleeved on the outer side of the steel pipe, the ferrule main body 19 is pushed leftwards to a position between the side wall of the special-shaped through hole 14 and the outer side surface of the steel pipe, after the step structure is arranged, the nut 16 is screwed into the joint body 12 in the forward direction, because the outer side of the joint body 12 uses the external thread structure 13, the inner side of the nut 16 uses the internal thread structure 17, the external thread structure 13 is in threaded connection with the internal thread structure 17, the nut 16 gradually moves leftwards, the inclined section on the right side of the barrel groove 18 abuts against the right side surface of the ferrule main body 19 to push the ferrule main body 19 and the ferrule body 21 to move leftwards until the ferrule main body 21 and the ferrule main body 19 move to the leftmost side, the connecting rod 20 gradually shortens under the action of pushing force, at the moment, the clamping sleeve body 21 can not move, so that the clamping sleeve body 19 moves leftwards relative to the clamping sleeve body 21, the hinging rod 25 is hinged in the hinging space 22, the hinging rod 25 rotates forwards by a certain angle under the action of the connecting rod 24, each sliding block 27 slides inwards, the lateral sealing ring 29 is abutted to the outer side surface of a steel pipe to be installed, the nut 16 is screwed, the lateral sealing ring 29 fixes the steel pipe through huge friction force, the lateral sealing ring 29 plays a sealing role, and even if a metal part with large temperature difference deforms, the elastic allowance of the lateral sealing ring 29 can still fill up gaps, so that the sealing stability under the condition of large temperature difference is improved, and the end part of the steel pipe cannot be damaged due to the abutting fixing mode of the lateral sealing ring 29 and the outer side surface of the steel pipe, so that the steel pipe can be reused, the whole sealing performance is not affected.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a cutting ferrule formula right angle joint body, includes joint main part (11), its characterized in that: the right side and the lower side of the joint main body (11) are fixedly provided with joint bodies (12), the structures in the joint bodies (12) are consistent, the included angle between the center lines of the joint bodies (12) on two sides is ninety degrees, the outer side face of the joint body (12) on the right side is fixedly provided with an external thread structure (13), the inner side of the joint body (12) is provided with a special-shaped through hole (14), all end sealing elements (15) are fixed on the left side wall of the special-shaped through hole (14), the outer side of the joint body (12) is provided with a nut (16), a barrel groove (18) is arranged in the nut (16), an internal thread structure (17) is arranged in the barrel groove (18), the internal thread structure (17) is in threaded connection with the external thread structure (13), a clamping sleeve main body (19) is arranged in the special-shaped through hole (14), and a connecting rod (20) is uniformly arranged on the left side of the clamping sleeve main body (19) around the center of a circle, the fixed clamping sleeve body (21) that is equipped with in connecting rod (20) left side, be equipped with cutting ferrule hole (30) in the clamping sleeve body (21), the clamping sleeve body (21) evenly is equipped with eight articulated spaces (22) around the centre of a circle, each the left side of articulated space (22) is equipped with slip space (26), slip space (26) with link up between articulated space (22), each group articulated space (22) with slip space (26) structure is unanimous, each slip space (26) with cutting ferrule hole (30) link up, cutting ferrule main part (19) left side is fixed and is equipped with connecting rod (24), connecting rod (24) extend to left in articulated space (22), fixed rotation base (23) that is equipped with between articulated space (22) lateral wall, it has articulated pole (25) to articulate on rotation base (23), articulated pole (25) right-hand member with connecting rod (24) are articulated, articulated pole (25) left end extends to in sliding space (26), it is equipped with sliding block (27) to slide between sliding space (26) lateral wall, sliding block (27) one end is fixed and is equipped with articulated base (28), articulated base (28) with articulate between articulated pole (25), all fixed all side direction sealing washer (29) of position department that sliding block (27) correspond.

2. The ferrule based right angle fitting body of claim 1, wherein: articulated space (22) are extending structure, articulated space (22) inside is equipped with hydraulic oil.

3. The ferrule based right angle fitting body of claim 1, wherein: the diameter of the leftmost end of the special-shaped through hole (14) is constant, the diameter of the rightmost end is larger than that of the leftmost end, a variable diameter section is arranged between the leftmost end and the rightmost end, and the diameter of the variable diameter section is increased from left to right.

4. The ferrule based right angle fitting body of claim 1, wherein: the left side face of the clamping sleeve body (21) is connected with the diameter-changing section arranged in the middle of the special-shaped through hole (14) in an abutting mode, and the rightmost end of the clamping sleeve main body (19) is provided with a chamfer.

5. The ferrule based right angle fitting body of claim 1, wherein: the barrel groove (18) is formed in the inner side of the nut (16), and the left end of the barrel groove (18) is a section with a constant diameter.

6. The ferrule based right angle fitting body of claim 1, wherein: the right end of the nut (16) is provided with a through hole, the diameter of the through hole is larger than that of the steel pipe, an inclined section is arranged between the through hole of the nut (16) and the left end of the nut (16), the diameter of the inclined section is reduced from left to right, and the inclined section of the nut (16) is abutted to the right side face of the ferrule main body (19).

7. The ferrule based right angle fitting body of claim 1, wherein: the lateral sealing ring (29) and the end sealing element (15) are elastic sealing rings, the lateral sealing ring (29) is connected with the outer side face of the steel pipe to be installed in an abutting mode, and the end sealing element (15) is connected with the left side face of the steel pipe to be installed in an abutting mode.