CN214699696U - Expansion pipe part with sliding and tightening structure - Google Patents

Expansion pipe part with sliding and tightening structure Download PDF

Info

Publication number
CN214699696U
CN214699696U CN202120706459.9U CN202120706459U CN214699696U CN 214699696 U CN214699696 U CN 214699696U CN 202120706459 U CN202120706459 U CN 202120706459U CN 214699696 U CN214699696 U CN 214699696U
Authority
CN
China
Prior art keywords
annular
protruding
diameter
pipe portion
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120706459.9U
Other languages
Chinese (zh)
Inventor
原方晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Nomadi Fluid Intelligent Control Co.,Ltd.
Original Assignee
Qingdao Bohuai Hvac Equipment Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Bohuai Hvac Equipment Technology Co Ltd filed Critical Qingdao Bohuai Hvac Equipment Technology Co Ltd
Priority to CN202120706459.9U priority Critical patent/CN214699696U/en
Application granted granted Critical
Publication of CN214699696U publication Critical patent/CN214699696U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Joints Allowing Movement (AREA)

Abstract

The utility model relates to a smooth compact structure expand tub portion, include: the joint, connect the outside and form a plurality of annular protrudingly from right to left in proper order, the bellied diameter of leftmost annular is greater than the bellied diameter of rightmost annular, and the bellied diameter of left annular is greater than or equal to the bellied diameter of right side annular. The utility model has the advantages that for the pipeline with the same nominal diameter and smaller inner diameter and thicker pipe wall, the thickness of the left annular bulge is smaller than that of the right annular bulge, so that the left annular bulge can be more easily embedded into the ground heating pipe, and all the annular bulges are embedded into the pipeline; for the pipeline with the same nominal diameter and the larger inner diameter and the thinner pipe wall, the annular bulge with the large diameter is embedded into the pipeline, the annular bulge with the small diameter is in contact with the pipeline to increase friction force or be embedded shallowly, and the pipeline with the thin wall can be firmly fixed on the joint so as to be matched with the pipelines with different inner diameters, and the problem that the existing joint cannot be connected with the ground heating pipes with different inner diameters and is poor in universality is solved.

Description

Expansion pipe part with sliding and tightening structure
Technical Field
The utility model belongs to the technical field of the pipe connection and specifically relates to smooth compact structure expand pipe portion.
Background
Because the inner diameters of the existing ground heating pipes with the same nominal diameter have different values, the existing joint connected with the ground heating pipes can only be connected with one of the ground heating pipes with the inner diameter with a fixed value. Therefore, the existing joint cannot be connected with all the floor heating pipes with the same nominal diameter, the application range is narrow, and the universality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide smooth compact structure expand tube portion, solved current joint can not be connected with the ground heating coil of different internal diameters, the poor problem of commonality.
The smooth compact structure expander portion includes: the joint, it is protruding to be formed with a plurality of annular from the right side to left side in proper order to connect the outside, and the bellied diameter of leftmost annular is greater than the bellied diameter of rightmost annular, and the bellied diameter of left annular is greater than or equal to the bellied diameter of right side annular.
Further, the thickness of the leftmost annular protrusion is less than that of the rightmost annular protrusion, and the thickness of the left annular protrusion is less than or equal to that of the right annular protrusion.
Furthermore, an annular groove is formed between every two adjacent annular protrusions, and a sealing ring is arranged in each annular groove.
Further, the diameters of the annular bulges are sequentially increased from right to left.
Further, all annular is protruding to be divided into a plurality of annular protruding groups, annular protruding group includes that a plurality of annular is protruding, annular is protruding to be arranged from the right side to left side in proper order, and the bellied diameter of annular in the same annular protruding group is the same, and the bellied diameter of annular of the bellied group of left annular is greater than the bellied diameter of annular of the bellied group of annular on right side.
Further, the thickness of the annular protrusion is gradually reduced from right to left.
Further, all annular is protruding to be divided into a plurality of annular protruding groups, annular protruding group includes that a plurality of annular is protruding, annular is protruding to be arranged from the right side to left side in proper order, and the bellied thickness of annular in the same annular protruding group is the same, and the bellied thickness of annular of the bellied group of left annular is less than the bellied thickness of annular of the bellied group of annular on right side.
Further, the pipeline tip is formed with expanded pipe portion, expanded pipe portion cover is in the joint outside, and annular protrusion extrusion expanded pipe portion makes expanded pipe portion inner wall be formed with the recess, the annular protrusion inserts in the recess, and the degree of depth that expanded pipe portion was inserted to leftmost annular protrusion is greater than the degree of depth that expanded pipe portion was inserted to rightmost annular protrusion, and the degree of depth that expanded pipe portion was inserted to left annular protrusion is greater than or equal to the degree of depth that expanded pipe portion was inserted to annular protrusion on right side.
Furthermore, the slip ring is sleeved on the outer side of the expanded pipe portion, the inner wall of the slip ring is in contact with the outer wall of the expanded pipe portion, and one or more annular surfaces are formed by contact surfaces of the slip ring and the expanded pipe portion.
Further, the joint is fixedly connected with the main pipe, the interior of the joint is communicated with the interior of the main pipe, a water inlet is formed in the main pipe, and the water inlet is communicated with the interior of the main pipe; and a stopping part is formed on the outer side of the joint and used for limiting the sliding ring to move towards the main pipe.
The utility model has the advantages of as follows:
for the pipeline with the same nominal diameter and smaller inner diameter and thicker pipe wall, the thickness of the annular bulge on the left side is smaller than that of the annular bulge on the right side, so that the annular bulge on the left side can be embedded into the ground heating pipe more easily (the embedding depth is deeper), all the annular bulges are embedded into the pipeline, and the pressure balance of the left and right annular bulges on the pipeline is kept; for the pipeline with the same nominal diameter and larger inner diameter and thinner pipe wall, the annular bulge with the larger diameter is embedded into the pipeline, and the annular bulge with the smaller diameter is contacted with the pipeline to increase the friction force or is embedded shallowly to play an auxiliary role, so that the pipeline with the thin wall can be firmly fixed on the joint, thereby being adaptive to the pipelines with different inner diameters, and solving the problems that the existing joint cannot be connected with the ground heating pipes with different inner diameters and has poor universality; the defect of non-uniformity inside the floor heating pipe is overcome through the arrangement of the sealing ring, and the sealing performance of the pipeline is further improved; the hard seal and the soft seal are combined to make up for the deficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
FIG. 1: the utility model discloses a overlook the schematic structure diagram of embodiment one;
FIG. 2: the utility model has a schematic sectional structure (with a pipeline added in the figure) cut at the position A;
FIG. 3: the second embodiment of the present invention is a schematic view of a front view cross-sectional structure (the joint has three annular protrusion sets);
FIG. 4: the second embodiment of the present invention is a schematic diagram of a right-view structure (the joint has three annular protrusion sets);
FIG. 5: the embodiment of the utility model provides a second look at the sectional structure sketch map (the joint has two protruding groups of annular).
Detailed Description
The invention will be further described with reference to the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, the present embodiment provides a sliding-compact-structure expanded pipe portion including: connect 1, connect 1 outside from right to left and be formed with a plurality of annular protrudingly 2 in proper order, the diameter of the annular protrudingly 2 of leftmost is greater than the diameter of the annular protrudingly 2 of rightmost, and the diameter of the annular protrudingly 2 of left is greater than or equal to the diameter of the annular protrudingly 2 of right side.
Further, the thickness of the leftmost annular projection 2 is smaller than that of the rightmost annular projection 2, and the thickness of the left annular projection 2 is smaller than or equal to that of the right annular projection 2.
Further, an annular groove 20 is formed between two adjacent annular protrusions 2, and a sealing ring 5 is arranged in the annular groove 20.
Further, the diameters of the annular protrusions 2 become larger from right to left in turn.
Further, the thickness of the annular protrusion 2 becomes smaller from right to left in sequence.
Further, 3 tip of pipeline is formed with expanded pipe portion 31, expanded pipe portion 31 cover is in the joint 1 outside, and annular protruding 2 extrusion expanded pipe portion 31 makes expanded pipe portion 31 inner wall be formed with recess 32, annular protruding 2 inserts in recess 32, and the degree of depth that the annular protruding 2 of leftmost inserted expanded pipe portion 31 is greater than the degree of depth that the annular protruding 2 of rightmost inserted expanded pipe portion 31, and the degree of depth that the annular protruding 2 of left inserted expanded pipe portion 31 is greater than or equal to the degree of depth that the annular protruding 2 of right inserted expanded pipe portion 31.
Further, the sliding ring 4 is sleeved outside the expanded pipe portion 31, the inner wall of the sliding ring 4 is in contact with the outer wall of the expanded pipe portion 31, and the contact surface of the sliding ring 4 and the expanded pipe portion 31 forms one or more annular surfaces.
Further, the joint 1 is fixedly connected with the header pipe 6, the interior of the joint 1 is communicated with the interior of the header pipe 6, a water inlet 61 is formed in the header pipe 6, and the water inlet 61 is communicated with the interior of the header pipe 6; a stop portion 11 is formed outside the joint 1, and the stop portion 11 is used for limiting the sliding ring 4 to move towards the manifold 6.
Further, the pipeline 3 is an aluminum plastic pipe.
The working principle is as follows:
the right and left directions of the present application are based on fig. 1 and 2.
When the device works, the sliding ring 4 is sleeved on the outer side of the pipeline 3. Then, the end of the pipe 3 is expanded by using an expander to form an expanded pipe portion 31 at the end of the pipe 3. Then, the expanded pipe portion 31 is fitted around the outer side of the annular protrusion 2, the expanded pipe portion 31 is pulled leftward, and the expanded pipe portion 31 is fitted around the outer sides of all the annular protrusions 2.
Then, the slide ring 4 is pulled leftward until the slide ring 4 comes into contact with the stopper 11. The slip ring 4 may press the expanded pipe portion 31 against the annular protrusion 2. The annular projection 2 presses a groove 32 on the inner wall of the expanded pipe portion 31, and the annular projection 2 is fitted into the groove 32 to fix the annular projection 2 and the expanded pipe portion 31.
In the present embodiment, as shown in fig. 1 and 2, the diameter of the annular protrusion 2 is sequentially increased from right to left, and the thickness of the annular protrusion 2 is sequentially decreased from right to left. The diameter of the annular projection 2 becomes gradually larger to facilitate the sleeving of the expanded pipe portion 31, moving the expanded pipe portion 31 leftward.
The internal diameter and the external diameter of expanded pipe portion 31 all are greater than the remaining part of pipeline 3, and the diameter of annular arch 2 diminishes gradually and can make, and the transition of expanded pipe portion 31 to the remaining part of pipeline 3 is more gentle (the pipeline at transition position is apart from the longer tapering littleer), can not produce the transition too fast (the pipeline at transition position is too short, the tapering is bigger) and cause pipeline 3 to appear the crackle.
Example two:
as shown in fig. 3 to 5, the present embodiment provides a sliding-compact-structure expanded pipe portion including: connect 1, connect 1 outside from right to left and be formed with a plurality of annular protrudingly 2 in proper order, the diameter of the annular protrudingly 2 of leftmost is greater than the diameter of the annular protrudingly 2 of rightmost, and the diameter of the annular protrudingly 2 of left is greater than or equal to the diameter of the annular protrudingly 2 of right side.
Further, the thickness of the leftmost annular projection 2 is smaller than that of the rightmost annular projection 2, and the thickness of the left annular projection 2 is smaller than or equal to that of the right annular projection 2.
Further, an annular groove 20 is formed between two adjacent annular protrusions 2, and a sealing ring 5 is arranged in the annular groove 20.
Further, all annular is protruding 2 to be divided into a plurality of annular protruding group 7, annular protruding group 7 includes a plurality of annular protruding 2, annular protruding 2 is arranged from right side to left side in proper order, and the diameter of the annular protruding 2 in same annular protruding group 7 is the same, and the diameter of the annular protruding 2 of the annular protruding group 7 on left side is greater than the diameter of the annular protruding 2 of the annular protruding group 7 on right side.
Further, all annular is protruding 2 to be divided into a plurality of annular protruding group 7, annular protruding group 7 includes a plurality of annular protruding 2, annular protruding 2 is arranged from right side to left side in proper order, and the protruding 2 thickness of annular in the same annular protruding group 7 is the same, and the protruding 2 thickness of annular of the protruding group 7 of left annular is less than the protruding 2 thickness of annular of the protruding group 7 of annular on right side.
Further, 3 tip of pipeline is formed with expanded pipe portion 31, expanded pipe portion 31 cover is in the joint 1 outside, and annular protruding 2 extrusion expanded pipe portion 31 makes expanded pipe portion 31 inner wall be formed with recess 32, annular protruding 2 inserts in recess 32, and the degree of depth that the annular protruding 2 of leftmost inserted expanded pipe portion 31 is greater than the degree of depth that the annular protruding 2 of rightmost inserted expanded pipe portion 31, and the degree of depth that the annular protruding 2 of left inserted expanded pipe portion 31 is greater than or equal to the degree of depth that the annular protruding 2 of right inserted expanded pipe portion 31.
Further, the sliding ring 4 is sleeved outside the expanded pipe portion 31, the inner wall of the sliding ring 4 is in contact with the outer wall of the expanded pipe portion 31, and the contact surface of the sliding ring 4 and the expanded pipe portion 31 forms one or more annular surfaces.
Further, the joint 1 is fixedly connected with the header pipe 6, the interior of the joint 1 is communicated with the interior of the header pipe 6, a water inlet 61 is formed in the header pipe 6, and the water inlet 61 is communicated with the interior of the header pipe 6; a stop portion 11 is formed outside the joint 1, and the stop portion 11 is used for limiting the sliding ring 4 to move towards the manifold 6.
Further, the pipeline 3 is an aluminum plastic pipe.
The working principle is as follows: the working principle of the second embodiment is the same as that of the first embodiment, and the difference between the second embodiment and the first embodiment is as follows: in the second embodiment, the diameter and the thickness of the annular protrusion 2 are the same as those of the annular protrusions 2 in the same annular protrusion group 7, and the annular protrusions 2 in different annular protrusion groups 7 have different diameters and thicknesses. As shown in fig. 3, the joint 1 has three annular projection groups 7, and each annular projection group 7 has two annular projections 2. As shown in fig. 5, the joint 1 has two annular projection groups 7, the right annular projection group 7 has three annular projections 2, and the left annular projection group 7 has four annular projections 2.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims (8)

1. Smooth compact structure expand pipe portion, its characterized in that includes: connect (1), connect (1) outside from right to left and be formed with a plurality of annular protruding (2) in proper order, the diameter of the annular protruding (2) of leftmost side is greater than the diameter of the annular protruding (2) of rightmost side, and the diameter of the annular protruding (2) of left side is greater than or equal to the diameter of the annular protruding (2) of right side.
2. The sliding-compact-structure expanded pipe portion according to claim 1, wherein: the thickness of the leftmost annular bulge (2) is smaller than that of the rightmost annular bulge (2), and the thickness of the left annular bulge (2) is smaller than or equal to that of the right annular bulge (2).
3. The sliding-compact-structure expanded pipe portion according to claim 1, wherein: an annular groove (20) is formed between every two adjacent annular bulges (2), and a sealing ring (5) is arranged in each annular groove (20).
4. The sliding-compact-structure expanded pipe portion according to claim 1, wherein: the diameter of the annular bulge (2) is sequentially increased from right to left.
5. The sliding-compact-structure expanded pipe portion according to claim 1, wherein: all annular is protruding (2) and is divided into a plurality of annular protruding group (7), annular protruding group (7) include a plurality of annular protruding (2), annular protruding (2) are arranged from right to left in proper order, and the diameter of annular protruding (2) in same annular protruding group (7) is the same, and the diameter of the annular protruding (2) of the annular protruding group (7) of left side is greater than the diameter of the annular protruding (2) of the annular protruding group (7) on right side.
6. The sliding-compact-structure expanded pipe portion according to claim 2, wherein: the thickness of the annular bulge (2) is reduced from right to left.
7. The sliding-compact-structure expanded pipe portion according to claim 2, wherein: all annular is protruding (2) and is divided into the protruding group of a plurality of annular (7), protruding group of annular (7) includes that a plurality of annular is protruding (2), protruding (2) of annular is arranged from the right side to left side in proper order, and the thickness of the protruding (2) of annular in the protruding group of same annular (7) is the same, and the thickness of the protruding (2) of annular of the protruding group of left annular (7) is less than the thickness of the protruding (2) of annular of the protruding group of annular (7) on right side.
8. The sliding-compact-structure expanded pipe portion according to claim 1, wherein: a stop part (11) is formed on the outer side of the joint (1).
CN202120706459.9U 2021-04-07 2021-04-07 Expansion pipe part with sliding and tightening structure Active CN214699696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120706459.9U CN214699696U (en) 2021-04-07 2021-04-07 Expansion pipe part with sliding and tightening structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120706459.9U CN214699696U (en) 2021-04-07 2021-04-07 Expansion pipe part with sliding and tightening structure

Publications (1)

Publication Number Publication Date
CN214699696U true CN214699696U (en) 2021-11-12

Family

ID=78529861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120706459.9U Active CN214699696U (en) 2021-04-07 2021-04-07 Expansion pipe part with sliding and tightening structure

Country Status (1)

Country Link
CN (1) CN214699696U (en)

Similar Documents

Publication Publication Date Title
US6343623B2 (en) Sealing ring for connecting the spigot of a corrugated pipe with a pipe socket having a smooth inside wall
KR101322152B1 (en) Tube joint consisting of resin
CN214699696U (en) Expansion pipe part with sliding and tightening structure
CN202001749U (en) Anti-corrosive buckle press joint for composite pressure pipe connection and pipeline connection structure
CN212107315U (en) Flexible sealing self-locking socket polyvinyl chloride solid wall pipe
CN205655011U (en) Jack catchs
CN201925632U (en) Pressing type combined pressure pipe joint and pipe connecting structure
CN206496125U (en) A kind of fast-insertion self-locking hose coupling
CN201748841U (en) Corrugated connector and radiator water channel connecting structure employing same
CN207999557U (en) A kind of connection structure for drain-pipe
WO2019204951A1 (en) Pipe connecting structure
CN203431369U (en) Pipe joint easy to disassemble and assemble
CN216447594U (en) Pipeline joint structure
CN206093268U (en) High -pressure quick connector
CN2765039Y (en) Strong pluck-resistant rubber pipe joint
CN210950268U (en) Pipe fitting is pressed to card with leak hunting function
CN217463584U (en) Oil transportation pipe splicing structure with leakage-proof structure
CN108571628B (en) Quick connecting structure for water heating pipe fittings
CN214169296U (en) Kitchen sewer water pressure dredging piston
CN211821248U (en) Plastic pipeline connecting pipe fitting
CN204312865U (en) Groove pipeline clamp
CN216046110U (en) Flexible double-sealing self-locking interface polyethylene winding solid wall top pull pipe
CN215335112U (en) Self sealss pipeline socket and spigot structure
CN215215255U (en) Water pipe joint with exposed decorative surface
CN220286667U (en) Cutting ferrule bellows

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230824

Address after: 317600 Technology Industry Functional Zone (Zhongshan Village), Chumen Town, Yuhuan City, Taizhou City, Zhejiang Province

Patentee after: Zhejiang Nomadi Fluid Intelligent Control Co.,Ltd.

Address before: 266000 household 15, block B, No. 38, Shengping Road, Licang District, Qingdao City, Shandong Province

Patentee before: Qingdao Bohuai HVAC Equipment Technology Co.,Ltd.