CN217519452U

CN217519452U - High-sealing impact-resistant CPVC (chlorinated polyvinyl chloride) tee pipe fitting

Info

Publication number: CN217519452U
Application number: CN202220898200.3U
Authority: CN
Inventors: 蔡成云
Original assignee: Huaya Industrial Plastic Taicang Co ltd
Current assignee: Huaya Industrial Plastic Taicang Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-30
Anticipated expiration: 2032-04-19

Abstract

The utility model provides a high sealed impact-resistant CPVC tee bend pipe fitting, includes three-way pipe main part, three bleeder, three connecting pipe and three locking knob, the one end of three bleeder all is connected with the three-way pipe main part to three bleeder and three tee bend pipe main part constitute the setting of T font, the bleeder is kept away from the other end of three-way pipe main part and the one end of connecting pipe and is passed through the locking knob and connect, is equipped with seal assembly between bleeder, connecting pipe and the locking knob. The utility model discloses a high sealed shock-resistant CPVC tee bend pipe fitting, make the connecting pipe can with the bleeder high-speed joint through the mode that adopts the loose joint, and be equipped with seal assembly between connecting pipe and the bleeder, make CPVC tee bend pipe fitting outside possessing the characteristic that the CPVC material possessed, the inner wall has better sealing performance, make CPVC tee bend pipe fitting use under adverse circumstances or extreme condition, application scope is wide, long service life, and reasonable design, the assembly of simple being convenient for and assembly are firm, be difficult for droing, low in production cost, and good economic benefits.

Description

High-sealing impact-resistant CPVC (chlorinated polyvinyl chloride) tee pipe fitting

Technical Field

The utility model belongs to the technical field of new material, macromolecular material, engineering and special engineering plastics preparation, specifically, relate to a high sealed impact-resistant CPVC tee bend pipe fitting.

Background

CPVC (chlorinated polyvinyl chloride) and chlorinated polyvinyl chloride are novel engineering plastics with wide application prospect. The CPVC has many excellent properties of PVC, and the corrosion resistance, heat resistance, solubility, flame retardance, mechanical strength and the like of the CPVC are greatly improved compared with the PVC, so the CPVC is a novel material with excellent properties. The pipe fitting made of CPVC has light weight and good heat insulation performance, does not need heat preservation, can keep enough strength at the temperature of not more than 100 ℃, can be used for a long time at higher internal pressure, and has wide application in the fields of chemical industry, civil construction, mechanical manufacturing, ship industry and the like. The three-way pipe fitting is used at a branch position of a pipeline, is commonly used at a position where the pipeline has branches, connects pipelines in different directions together, and is convenient and simple to use.

In order to connect the pipe fitting and the three-way pipe, the butt joint is realized by adopting a structure with matched internal and external threads. Thus, during the docking process, the pipe fitting or tee needs to be rotated many times. The butt joint mode is very inconvenient to assemble and disassemble, and the laying and maintenance efficiency of the pipe fittings is easily influenced. In order to ensure the sealing performance of the butt joint of the pipe fitting and the three-way pipe, the three-way pipe is difficult to rotate to a proper position frequently; in order to put the three-way pipe in a proper position, the joint of the pipe fitting and the three-way pipe has to be additionally reinforced or sealed, which brings inconvenience to the butt joint of the pipe fitting and the three-way pipe.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a high sealed shock-resistant CPVC tee bend pipe fitting, when having solved the tee bend pipe fitting that adopts CPVC to make among the prior art and ordinary pipe fitting butt joint, the not good problem of sealing performance of junction.

The technical scheme is as follows: the utility model provides a high-sealing impact-resistant CPVC tee pipe fitting, which comprises a tee pipe main body, three branch pipes, three connecting pipes and three locking knobs, wherein one ends of the three branch pipes are all connected with the tee pipe main body, the three branch pipes and the tee pipe main body form a T-shaped arrangement, the three branch pipes, the three connecting pipes and the three locking knobs are arranged in a one-to-one correspondence manner, and the other ends of the branch pipes, which are far away from the tee pipe main body, are connected with one ends of the connecting pipes through the locking knobs; the outer surface of the other end of the tee pipe main body is far away from the branch pipe is set into a first spherical convex surface and a second spherical convex surface, the second spherical convex surface is located on one side of the first spherical convex surface far away from the tee pipe main body, the inner wall of the locking knob close to one end of the tee pipe main body is set into the first spherical concave surface, one end of the connecting pipe close to the branch pipe is provided with a connecting convex portion, the inner wall of the connecting convex portion is set into the second spherical concave surface, the first spherical concave surface is in contact with the first spherical convex surface, the second spherical concave surface is in contact with the second spherical convex surface, and a sealing assembly is arranged between the second spherical concave surface and the second spherical convex surface. The utility model discloses a high sealed shock-resistant CPVC tee bend pipe fitting, make the connecting pipe can with the bleeder high-speed joint through the mode that adopts the loose joint, and be equipped with seal assembly between connecting pipe and the bleeder, make CPVC tee bend pipe fitting outside possessing the characteristic that the CPVC material possessed, the inner wall has better sealing performance, make CPVC tee bend pipe fitting use under adverse circumstances or extreme condition, application scope is wide, long service life, and reasonable design, the assembly of simple being convenient for and assembly are firm, be difficult for droing, low in production cost, and good economic benefits.

Further, foretell high sealed shock-resistant CPVC tee bend pipe fitting, the outer wall of connecting the convex part is equipped with the external screw thread, the inner wall that the locking knob kept away from tee bend main part one end is equipped with the internal thread, external screw thread and female connection. The threaded connection mode of setting can realize high-speed joint, and it is convenient to connect.

Furthermore, in the high-sealing impact-resistant CPVC tee pipe fitting, a step is arranged between the first spherical convex surface and the second spherical convex surface, and the diameter of the first spherical convex surface is larger than that of the second spherical convex surface. The locking knob is limited on the first spherical convex surface with larger cross section area through the arranged steps.

Further, in the high-sealing impact-resistant CPVC tee pipe fitting, the second spherical convex surface is provided with an annular groove, the sealing component is arranged in the annular groove, and the sealing component is in contact with the second spherical convex surface. The annular groove is used for accommodating the sealing assembly, the sealing assembly is compressed between the second spherical concave surface and the second spherical convex surface, and the whole annular groove is filled to play a good sealing role.

Further, foretell high sealed resistant CPVC tee bend pipe fitting that strikes, seal assembly includes silica gel circle, plastics support ring and general stopper, silica gel circle, plastics support ring and the cross-section of general stopper are the annular, the plastics support ring sets up in the silica gel circle, general stopper setting is in the plastics support ring. The secondary sealing is realized through the arranged flooding plug, and the flooding plug has a supporting function.

Further, foretell high sealed shock-resistant CPVC tee bend pipe fitting, the outer wall of silica gel circle sets up to the arc to the inner wall of silica gel circle is equipped with recess one, the setting of plastics support ring is in recess one.

Further, in the high-sealing impact-resistant CPVC tee pipe fitting, a second groove is formed in the inner wall of the plastic support ring, and the flooding plug is arranged in the second groove.

Further, foretell high sealed resistant CPVC tee bend pipe fitting that strikes, general stopper includes polymer rubber pad and spring ring, polymer rubber pad sets up in groove two, polymer rubber pad's inner wall is equipped with C type recess, the spring ring sets up in C type recess. The spring ring has good deformation and recovery capability, can meet the requirement of deformation in the sealing process, and can play a good supporting role.

Furthermore, according to the CPVC tee pipe fitting with high sealing and impact resistance, a first sealing lip and a second sealing lip are arranged on the polymer rubber gasket, the first sealing lip and the second sealing lip are symmetrically arranged, and the first sealing lip and the second sealing lip are arranged in an arc-shaped structure protruding from the outside of the C-shaped groove in a two-way mode. The first sealing lip and the second sealing lip are of arc structures and can be tightly attached to the inner wall of the C-shaped groove, and good sealing is achieved.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: high sealed shock-resistant CPVC tee bend pipe fitting, the bleeder, all adopt spherical cooperation mode between connecting pipe and the locking knob, make cross sectional area increase, and have good laminating nature, adopt the locking knob to pass through the locking of threaded complex mode with the connecting pipe on the bleeder, practice level reliable and stable, avoid droing, and at the bleeder, add between connecting pipe and the locking knob and establish seal assembly, improved sealed effect and pressed, sealing performance to between connecting pipe and the bleeder has been improved, the whole sealing performance of three-way pipe has been improved greatly, avoid appearing the situation of seepage.

Drawings

Fig. 1 is a schematic structural diagram of a high-sealing impact-resistant CPVC tee pipe fitting of the present invention;

fig. 2 is a schematic view of a partial structure of the high-sealing impact-resistant CPVC tee pipe fitting of the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a schematic structural view of the sealing assembly of the present invention;

fig. 5 is a partial enlarged view of the point B in fig. 4 according to the present invention.

In the figure: the three-way pipe comprises a three-way pipe body 1, a branch pipe 2, a first spherical convex surface 21, a second spherical convex surface 22, an annular groove 221, a step 23, a connecting pipe 3, a connecting convex part 31, a second spherical concave surface 32, an external thread 33, a locking knob 4, a first spherical concave surface 41, an internal thread 42, a sealing assembly 5, a silicone rubber ring 51, a first groove 511, a plastic support ring 52, a second groove 521, a flooding plug 53, a polymer rubber pad 531, a spring ring 532, a C-shaped groove 533, a first sealing lip 534 and a second sealing lip 535.

Detailed Description

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 and intended to be used for 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 understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The high-sealing impact-resistant CPVC tee pipe fitting shown in FIGS. 1-3 comprises a tee pipe main body 1, three branch pipes 2, three connecting pipes 3 and three locking knobs 4, wherein one ends of the three branch pipes 2 are connected with the tee pipe main body 1, the three branch pipes 2 and the tee pipe main body 1 form a T-shaped arrangement, the three branch pipes 2, the three connecting pipes 3 and the three locking knobs 4 are arranged in a one-to-one correspondence manner, and the other ends, away from the tee pipe main body 1, of the branch pipes 2 are connected with one ends of the connecting pipes 3 through the locking knobs 4; wherein, the surface that the other end of tee pipe main part 1 was kept away from to bleeder 2 sets up to spherical convex surface one 21 and spherical convex surface two 22, spherical convex surface two 22 is located spherical convex surface one 21 and keeps away from one side of tee pipe main part 1, the inner wall that locking knob 4 is close to tee pipe main part 1 one end sets up to spherical concave surface one 41, the one end that connecting pipe 3 is close to bleeder 2 is equipped with connects convex part 31, the inner wall that connects convex part 31 sets up to spherical concave surface two 32, spherical concave surface one 41 contacts with spherical convex surface one 21, spherical concave surface two 32 contacts with spherical convex surface two 22 to be equipped with seal assembly 5 between spherical concave surface two 32 and the spherical convex surface two 22. A step 23 is arranged between the first spherical convex surface 21 and the second spherical convex surface 22, and the diameter of the first spherical convex surface 21 is larger than that of the second spherical convex surface 22.

In addition, the outer wall of the connecting convex part 31 is provided with an external thread 33, the inner wall of one end of the locking knob 4 far away from the tee main body 1 is provided with an internal thread 42, and the external thread 33 is connected with the internal thread 42.

In addition, an annular groove 221 is formed in the second spherical convex surface 22, the sealing assembly 5 is arranged in the annular groove 221, and the sealing assembly 5 is in contact with the second spherical convex surface 22.

Example two

Based on the structure of the embodiment, the sealing assembly 5 shown in fig. 4 includes a silicone ring 51, a plastic support ring 52 and a flashing plug 53, the sections of the silicone ring 51, the plastic support ring 52 and the flashing plug 53 are all ring-shaped, the plastic support ring 52 is arranged in the silicone ring 51, and the flashing plug 53 is arranged in the plastic support ring 52. The outer wall of the silica gel ring 51 is arc-shaped, a first groove 511 is formed in the inner wall of the silica gel ring 51, and the plastic support ring 52 is arranged in the first groove 511. The inner wall of the plastic support ring 52 is provided with a second groove 521, and the flooding plug 53 is arranged in the second groove 521.

The flooding plug 53 as shown in fig. 5 includes a polymer rubber pad 531 and a spring ring 532, the polymer rubber pad 531 is disposed in the second groove 521, the inner wall of the polymer rubber pad 531 is provided with a C-shaped groove 533, and the spring ring 532 is disposed in the C-shaped groove 533. The polymer rubber pad 531 is provided with a first sealing lip 534 and a second sealing lip 535, the first sealing lip 534 and the second sealing lip 535 are symmetrically arranged, and the first sealing lip 534 and the second sealing lip 535 are arranged in an arc structure protruding towards the outside far away from the C-shaped groove 533.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high sealed resistant CPVC tee bend pipe fitting that strikes which characterized in that: the three-way pipe comprises a three-way pipe main body (1), three branch pipes (2), three connecting pipes (3) and three locking knobs (4), wherein one ends of the three branch pipes (2) are connected with the three-way pipe main body (1), the three branch pipes (2) and the three-way pipe main body (1) form a T-shaped arrangement, the three branch pipes (2), the three connecting pipes (3) and the three locking knobs (4) are arranged in a one-to-one correspondence manner, and the other ends, far away from the three-way pipe main body (1), of the branch pipes (2) are connected with one ends of the connecting pipes (3) through the locking knobs (4);

wherein, the surface that the other end of tee pipe main part (1) was kept away from in lateral pipe (2) sets up to spherical convex surface one (21) and spherical convex surface two (22), spherical convex surface two (22) are located spherical convex surface one (21) and keep away from one side of tee pipe main part (1), the inner wall that locking knob (4) are close to tee pipe main part (1) one end sets up to spherical concave surface one (41), the one end that connecting pipe (3) are close to lateral pipe (2) is equipped with connects convex part (31), the inner wall of connecting convex part (31) sets up to spherical concave surface two (32), spherical concave surface one (41) and spherical convex surface one (21) contact, spherical concave surface two (32) and spherical convex surface two (22) contact to be equipped with seal assembly (5) between spherical concave surface two (32) and spherical convex surface two (22).

2. A high seal impact resistant CPVC tee fitting as claimed in claim 1, wherein: the outer wall of the connecting convex part (31) is provided with an external thread (33), the inner wall of one end, away from the three-way pipe main body (1), of the locking knob (4) is provided with an internal thread (42), and the external thread (33) is connected with the internal thread (42).

3. A high seal impact resistant CPVC tee fitting as claimed in claim 1 or 2, wherein: a step (23) is arranged between the first spherical convex surface (21) and the second spherical convex surface (22), and the diameter of the first spherical convex surface (21) is larger than that of the second spherical convex surface (22).

4. A high seal impact resistant CPVC tee fitting as claimed in claim 1 or 2, wherein: an annular groove (221) is formed in the second spherical convex surface (22), the sealing assembly (5) is arranged in the annular groove (221), and the sealing assembly (5) is in contact with the second spherical convex surface (22).

5. A high seal impact resistant CPVC tee fitting of claim 4, wherein: the sealing assembly (5) comprises a silica gel ring (51), a plastic support ring (52) and a universal plug (53), the sections of the silica gel ring (51), the plastic support ring (52) and the universal plug (53) are all annular, the plastic support ring (52) is arranged in the silica gel ring (51), and the universal plug (53) is arranged in the plastic support ring (52).

6. A high seal impact resistant CPVC tee fitting of claim 5, wherein: the outer wall of silica gel circle (51) sets up to the arc to the inner wall of silica gel circle (51) is equipped with recess one (511), plastics support ring (52) set up in recess one (511).

7. A high seal impact resistant CPVC tee fitting of claim 6, wherein: a second groove (521) is formed in the inner wall of the plastic support ring (52), and the flooding plug (53) is arranged in the second groove (521).

8. A high seal impact resistant CPVC tee fitting as claimed in claim 7, wherein: the flooding plug (53) comprises a polymer rubber pad (531) and a spring ring (532), the polymer rubber pad (531) is arranged in the second groove (521), a C-shaped groove (533) is formed in the inner wall of the polymer rubber pad (531), and the spring ring (532) is arranged in the C-shaped groove (533).

9. A high seal impact resistant CPVC tee fitting as claimed in claim 8, wherein: the high-molecular rubber gasket (531) is provided with a first sealing lip (534) and a second sealing lip (535), the first sealing lip (534) and the second sealing lip (535) are symmetrically arranged, and the first sealing lip (534) and the second sealing lip (535) are arranged in an arc-shaped structure protruding towards the outside far away from the C-shaped groove (533).