CN219367107U - Connecting structure of polytetrafluoroethylene composite tube - Google Patents
Connecting structure of polytetrafluoroethylene composite tube Download PDFInfo
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- CN219367107U CN219367107U CN202222984802.3U CN202222984802U CN219367107U CN 219367107 U CN219367107 U CN 219367107U CN 202222984802 U CN202222984802 U CN 202222984802U CN 219367107 U CN219367107 U CN 219367107U
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- polytetrafluoroethylene composite
- groove
- composite tube
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- sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model discloses a connecting structure of a polytetrafluoroethylene composite pipe, which comprises polytetrafluoroethylene composite pipe bodies, wherein two adjacent polytetrafluoroethylene composite pipe bodies are connected through a connecting structure, and the connecting structure comprises a connecting pipe sleeve arranged between the two adjacent polytetrafluoroethylene composite pipe bodies and a connecting piece arranged at the connecting end of the polytetrafluoroethylene composite pipe bodies; the connecting piece comprises a lantern ring and a limiting block arranged on the outer wall of the lantern ring, an inward concave embedded groove is formed in the outer wall of the connecting end of the polytetrafluoroethylene composite pipe body, and the lantern ring is arranged in the embedded groove; the internal diameter of connecting the pipe box is greater than the external diameter of polytetrafluoroethylene composite tube body, and the opening part at connecting pipe box both ends all is provided with the spread groove that supplies the stopper card to go into, through setting up connection structure, the connection of polytetrafluoroethylene composite tube of being convenient for uses, has easy operation, easy dismounting, improves polytetrafluoroethylene composite tube's connection efficiency's advantage greatly.
Description
Technical Field
The utility model relates to the field of composite pipes, in particular to a connecting structure of a polytetrafluoroethylene composite pipe.
Background
The composite pipe fitting can provide different functional effects for the pipe fitting through layered different materials, for example, the polytetrafluoroethylene composite pipe is usually a polytetrafluoroethylene inner pipe outer joint structure steel pipe, when the inner anti-corrosion effect is achieved, the outer good structural strength can be kept, the flexible use of the pipe fitting is facilitated, the situation that two pipe fitting ends are assembled and connected is frequently encountered in the use process of the polytetrafluoroethylene composite pipe, the connecting mode in the prior art is that the flange plate is arranged at the connecting end of the polytetrafluoroethylene composite pipe, the two pipe fittings are simply and fixedly connected through the flange plate, the steps are complicated when the flange plate is utilized for connecting and fixing, the connecting holes on the two flange plates are required to be aligned, then the bolts are connected, and when the polytetrafluoroethylene composite pipe needs to be overhauled or replaced, the dismantling operation of the polytetrafluoroethylene composite pipe is also complicated, inconvenience is brought to operators, and the connecting efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a connecting structure of a polytetrafluoroethylene composite tube, which aims to solve the technical problems that the polytetrafluoroethylene composite tube is fixedly connected through a flange plate, the operation steps are complex and the connecting efficiency is low in the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is to provide a connecting structure of a polytetrafluoroethylene composite tube, which comprises polytetrafluoroethylene composite tube bodies, wherein two adjacent polytetrafluoroethylene composite tube bodies are connected through the connecting structure, and the connecting structure comprises a connecting tube sleeve arranged between the two adjacent polytetrafluoroethylene composite tube bodies and a connecting piece arranged at the connecting end of the polytetrafluoroethylene composite tube bodies;
the connecting piece comprises a lantern ring and a limiting block arranged on the outer wall of the lantern ring, an inward concave embedded groove is formed in the outer wall of the connecting end of the polytetrafluoroethylene composite pipe body, and the lantern ring is arranged in the embedded groove;
the inner diameter of the connecting pipe sleeve is larger than the outer diameter of the polytetrafluoroethylene composite pipe body, connecting grooves for clamping in the limiting blocks are formed in openings at two ends of the connecting pipe sleeve, and elastic reset components used for fixing the limiting blocks in the connecting grooves are arranged inside the connecting pipe sleeve.
Preferably, the connecting groove comprises insert section, removal section and fixed section, insert section along connecting pipe sleeve axial setting, connect pipe sleeve tip is arranged in to the opening of the one end of insert section, insert the section other end and remove the section intercommunication, remove the section along connecting pipe sleeve circumferencial direction setting, the one end that insert section was kept away from to the removal section is linked together with the fixed section, the fixed section is along connecting pipe sleeve axial setting, fixed section is parallel with insert section, just fixed section length is less than insert section length.
Preferably, the width of the limiting block is smaller than the width of the connecting groove, and the thickness of the limiting block is the same as the depth of the connecting groove.
Preferably, the elastic reset assembly comprises a positioning plate fixed at the middle position inside the connecting pipe sleeve, pressing plates arranged on two sides of the positioning plate and an elastic piece arranged between the pressing plates and the positioning plate, wherein the pressing plates are in clearance fit with the inner wall of the connecting pipe sleeve, a first through hole is formed in the center of the positioning plate, and a second through hole is formed in the center of the pressing plates.
Preferably, an inner groove is formed in one surface, far away from the positioning plate, of the pressing plate, and a first sealing ring is arranged in the inner groove.
Preferably, the opposite surfaces of the positioning plate and the pressing plate are respectively provided with a first limit groove and a second limit groove, and two ends of the elastic piece are respectively arranged in the first limit groove and the second limit groove and are fixedly connected with the positioning plate and the pressing plate.
Preferably, a sealing groove is annularly arranged on the inner wall of the connecting pipe sleeve and positioned between the pressing plate and the connecting groove, and a second sealing ring is arranged in the sealing groove.
Compared with the prior art, the utility model has the beneficial effects that:
according to the connecting structure of the polytetrafluoroethylene composite pipe, the connecting structure is arranged, the connecting structure comprises the connecting pipe sleeve arranged between two adjacent polytetrafluoroethylene composite pipe bodies and the connecting piece arranged at the connecting end of the polytetrafluoroethylene composite pipe body, and the connecting piece can be fixed in the connecting pipe sleeve by inserting the connecting end of the polytetrafluoroethylene composite pipe body into the connecting pipe sleeve, so that the polytetrafluoroethylene composite pipe can be conveniently connected and used.
Drawings
FIG. 1 is a schematic diagram of a polytetrafluoroethylene composite tube connection structure in the prior art.
FIG. 2 is a schematic diagram of the overall structure of a connection structure of a polytetrafluoroethylene composite tube according to the present utility model;
FIG. 3 is a cross-sectional view of a connecting sleeve of a polytetrafluoroethylene composite tube according to the utility model;
FIG. 4 is a cross-sectional view of a pressure plate of a polytetrafluoroethylene composite tube according to the present utility model;
in the figure: 1. a polytetrafluoroethylene composite tube body; 101. an embedding groove; 2. a connecting pipe sleeve; 201. a connecting groove; 2011. an insertion section; 2012. a moving section; 2013. a fixed section; 202. a positioning plate; 203. a pressing plate; 2031. an inner groove; 2032. a first seal ring; 2033. the second limit groove; 2034. a second through hole; 204. an elastic member; 205. sealing grooves; 206. a second seal ring; 3. a connecting piece; 301. a collar; 302. and a limiting block.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1
The embodiment provides a connection structure of polytetrafluoroethylene composite tube, and this connection structure is used for the connection of two adjacent polytetrafluoroethylene composite tube to use, and this connection structure easy operation, easy dismounting improves polytetrafluoroethylene composite tube's connection efficiency greatly.
Referring to fig. 1-4, a connection structure of a polytetrafluoroethylene composite tube includes a polytetrafluoroethylene composite tube body 1, two adjacent polytetrafluoroethylene composite tube bodies 1 are connected by a connection structure, and the connection structure includes a connection tube sleeve 2 disposed between two adjacent polytetrafluoroethylene composite tube bodies 1 and a connection member 3 disposed at a connection end of the polytetrafluoroethylene composite tube bodies 1.
Referring to fig. 1 and 2, in this embodiment, the specific structures of the connecting member 3 and the connecting sleeve 2 are as follows:
the connecting piece 3 comprises a lantern ring 301 and a limiting block 302 arranged on the outer wall of the lantern ring 301, preferably, the lantern ring 301 and the limiting block 302 are integrally formed, the structural stability is good, an inward concave embedded groove 101 is formed in the outer wall of the connecting end of the polytetrafluoroethylene composite tube body 1, the lantern ring 301 is arranged in the embedded groove 101, the outer surface of the lantern ring 301 is flush with the outer surface of the polytetrafluoroethylene composite tube body 1, and the lantern ring 301 can not influence the connecting end of the polytetrafluoroethylene composite tube body 1 to be inserted into the connecting tube sleeve 2;
further, the inner diameter of the connecting pipe sleeve 2 is larger than the outer diameter of the polytetrafluoroethylene composite pipe body 1, so that the connecting end of the polytetrafluoroethylene composite pipe body 1 is conveniently inserted into the connecting pipe sleeve 2 to be connected and fixed, the opening parts at the two ends of the connecting pipe sleeve 2 are all provided with connecting grooves 201 for clamping in limiting blocks 302, and elastic reset components for fixing the limiting blocks 302 in the connecting grooves 201 are arranged inside the connecting pipe sleeve 2;
further, the connecting groove 201 is composed of an inserting section 2011, a moving section 2012 and a fixing section 2013, the inserting section 2011 is axially arranged along the connecting pipe sleeve 2, an opening at one end of the inserting section 2011 is arranged at the end of the connecting pipe sleeve 2, the other end of the inserting section 2011 is communicated with the moving section 2012, the moving section 2012 is circumferentially arranged along the connecting pipe sleeve 2, one end of the moving section 2012, far from the inserting section 2011, is communicated with the fixing section 2013, the fixing section 2013 is axially arranged along the connecting pipe sleeve 2, the fixing section 2013 is parallel to the inserting section 2011, and the length of the fixing section 2013 is smaller than that of the inserting section 2011;
further, the width of the limiting block 302 is smaller than the width of the connecting groove 201, and the thickness of the limiting block 302 is the same as the depth of the connecting groove 201.
Specifically, when two adjacent polytetrafluoroethylene composite tube bodies 1 are connected, firstly, the lantern ring 301 is installed in the embedded groove 101 at the connecting end of the polytetrafluoroethylene composite tube body 1, then the connecting end of the polytetrafluoroethylene composite tube body 1 is inserted into the connecting pipe sleeve 2, at this time, the limiting block 302 corresponds to the opening of the inserting section 2011 of the connecting groove 201, the limiting block 302 enters the inserting section 2011 from the opening, the end of the polytetrafluoroethylene composite tube body 1 can extrude and shrink the elastic reset component, when the limiting block 302 reaches the bottom end of the inserting section 2011, the limiting block 302 enters the moving section 2012 by rotating the polytetrafluoroethylene composite tube body 1, then the polytetrafluoroethylene composite tube body 1 rotates to the position, the limiting block 302 reaches the fixed section 2013, at this time, the polytetrafluoroethylene composite tube body 1 is released, the polytetrafluoroethylene composite tube body 1 can be pushed to move to the outer side of the connecting pipe sleeve 2 by a distance under the action of the elastic reset component, the connecting and fixing of the polytetrafluoroethylene composite tube body 1 and the connecting pipe sleeve 2 is completed, when the polytetrafluoroethylene composite tube is required to be disassembled, the polytetrafluoroethylene composite tube can be simply operated according to the steps, the connecting efficiency of the polytetrafluoroethylene composite tube is greatly improved, and the connecting efficiency of the polytetrafluoroethylene composite tube is convenient to disassemble.
In addition, referring to fig. 1 and 2, in the present embodiment, the elastic reset assembly includes a positioning plate 202 fixed in the middle position inside the connecting tube sleeve 2, a pressing plate 203 disposed on two sides of the positioning plate 202, and an elastic member 204 disposed between the pressing plate 203 and the positioning plate 202, wherein the pressing plate 203 is in clearance fit with the inner wall of the connecting tube sleeve 2, a first through hole is disposed at the center of the positioning plate 202, a second through hole 2034 is disposed at the center of the pressing plate 203, when the polytetrafluoroethylene composite tube body 1 is connected with the connecting tube sleeve 2, the connecting end of the polytetrafluoroethylene composite tube body 1 is inserted into the connecting tube sleeve 2, the end of the polytetrafluoroethylene composite tube body 1 abuts against the pressing plate 203, the pressing plate 203 is pushed towards the positioning plate 202, so as to compress and shrink the elastic member 204, when the polytetrafluoroethylene composite tube body 1 is released after the connecting member 3 on the polytetrafluoroethylene composite tube body 1 is installed in place, the elastic member 204 pushes the pressing plate 203 to reset through elastic action, thereby forming a pushing force on the end of the polytetrafluoroethylene composite tube body 1, and under the force, the pressing plate 203 is tightly attached to the end of the polytetrafluoroethylene composite tube body 1, and the end of the polytetrafluoroethylene composite tube body is tightly passes through the first through the second through hole 2034.
Further, an inner groove 2031 is formed in one surface of the pressing plate 203, which is far away from the positioning plate 202, a first sealing ring 2032 is arranged in the inner groove 2031, after the polytetrafluoroethylene composite tube body 1 is connected with the connecting tube sleeve 2, the end part of the polytetrafluoroethylene composite tube body 1 is arranged in the inner groove 2031, the sealing performance between the polytetrafluoroethylene composite tube body 1 and the pressing plate 203 is improved through the first sealing ring 2032, and liquid leakage conveyed in the polytetrafluoroethylene composite tube body 1 is avoided.
Further, a sealing groove 205 is annularly arranged between the pressing plate 203 and the connecting groove 201 on the inner wall of the connecting pipe sleeve 2, a second sealing ring 206 is arranged in the sealing groove 205, and after the polytetrafluoroethylene composite pipe body 1 is connected with the connecting pipe sleeve 2, the second sealing ring 206 is attached to the polytetrafluoroethylene composite pipe body 1 to form a second seal, so that the sealing effect is improved, and the possibility of liquid leakage is avoided.
In addition, the opposite surfaces of the positioning plate 202 and the pressing plate 203 are respectively provided with a first limiting groove and a second limiting groove 2033, two ends of the elastic piece 204 are respectively arranged in the first limiting groove 2021 and the second limiting groove 2033 and fixedly connected with the positioning plate 202 and the pressing plate 203, and the limiting fixation of the elastic piece 204 is facilitated through the first limiting groove and the second limiting groove 2033, so that the position deviation of the elastic piece 204 is avoided.
It should be noted that, the elastic member 204 may be, but not limited to, a spring, and the elastic member 204 needs to have a function of allowing the liquid to circulate.
In order to improve the connection stability between the polytetrafluoroethylene composite tube body 1 and the connection tube sleeve 2, a plurality of groups of connection grooves 201 in the connection tube sleeve 2 and limiting blocks 302 on the connection piece 3 can be correspondingly arranged.
The implementation principle of the connection structure of the polytetrafluoroethylene composite tube in the embodiment of the application is as follows: when two adjacent polytetrafluoroethylene composite pipe bodies 1 are connected, firstly, the lantern ring 301 is installed in the embedded groove 101 at the connecting end of the polytetrafluoroethylene composite pipe body 1, then the connecting end of the polytetrafluoroethylene composite pipe body 1 is inserted into the connecting pipe sleeve 2, at the moment, the limiting block 302 corresponds to the opening of the inserting section 2011 of the connecting groove 201, the limiting block 302 enters the inserting section 2011 from the opening, the end part of the polytetrafluoroethylene composite pipe body 1 pushes the pressing plate 203 towards the direction of the positioning plate 202, the elastic piece 204 is extruded and contracted, when the limiting block 302 reaches the bottom end of the inserting section 2011, the limiting block 302 enters the moving section 2012 by rotating the polytetrafluoroethylene composite pipe body 1, then the polytetrafluoroethylene composite pipe body 1 rotates in place, the limiting block 302 reaches the fixed section 2013, at the moment, the polytetrafluoroethylene composite pipe body 1 is loosened, the elastic piece 204 can push the pressing plate 203 to reset through elastic action, thereby forming thrust on the end part of the polytetrafluoroethylene composite pipe body 1 to the outer side of the connecting section 2012, the limiting block 302 is clamped into the fixed section 2013, and the polytetrafluoroethylene composite pipe sleeve 1 is connected with the polytetrafluoroethylene composite pipe sleeve 2 in a fixed mode, namely the connecting pipe is required to be disassembled, and the connecting structure is easy to detach.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a connection structure of polytetrafluoroethylene composite tube, includes polytetrafluoroethylene composite tube body (1), its characterized in that: the two adjacent polytetrafluoroethylene composite pipe bodies (1) are connected through a connecting structure, and the connecting structure comprises a connecting pipe sleeve (2) arranged between the two adjacent polytetrafluoroethylene composite pipe bodies (1) and a connecting piece (3) arranged at the connecting end of the polytetrafluoroethylene composite pipe bodies (1);
the connecting piece (3) comprises a lantern ring (301) and a limiting block (302) arranged on the outer wall of the lantern ring (301), an inward concave embedded groove (101) is formed in the outer wall of the connecting end of the polytetrafluoroethylene composite tube body (1), and the lantern ring (301) is arranged in the embedded groove (101);
the inner diameter of the connecting pipe sleeve (2) is larger than the outer diameter of the polytetrafluoroethylene composite pipe body (1), connecting grooves (201) for clamping in the limiting blocks (302) are formed in openings at two ends of the connecting pipe sleeve (2), and elastic reset components used for fixing the limiting blocks (302) in the connecting grooves (201) are arranged inside the connecting pipe sleeve (2).
2. The connection structure of the polytetrafluoroethylene composite tube according to claim 1, wherein: the connecting groove (201) comprises an inserting section (2011), a moving section (2012) and a fixing section (2013), the inserting section (2011) is axially arranged along the connecting sleeve (2), an opening at one end of the inserting section (2011) is arranged at the end of the connecting sleeve (2), the other end of the inserting section (2011) is communicated with the moving section (2012), the moving section (2012) is arranged along the circumferential direction of the connecting sleeve (2), one end of the moving section (2012) far away from the inserting section (2011) is communicated with the fixing section (2013), the fixing section (2013) is axially arranged along the connecting sleeve (2), the fixing section (2013) is parallel to the inserting section (2011), and the length of the fixing section (2013) is smaller than that of the inserting section (2011).
3. The connection structure of the polytetrafluoroethylene composite tube according to claim 2, wherein: the width of the limiting block (302) is smaller than that of the connecting groove (201), and the thickness of the limiting block (302) is the same as the depth of the connecting groove (201).
4. The connection structure of the polytetrafluoroethylene composite tube according to claim 1, wherein: the elastic reset assembly comprises a positioning plate (202) fixed at the middle position inside the connecting pipe sleeve (2), pressing plates (203) arranged on two sides of the positioning plate (202) and elastic pieces (204) arranged between the pressing plates (203) and the positioning plate (202), wherein the pressing plates (203) are in clearance fit with the inner wall of the connecting pipe sleeve (2), a first through hole is formed in the center of the positioning plate (202), and a second through hole (2034) is formed in the center of the pressing plates (203).
5. The connection structure of the polytetrafluoroethylene composite tube according to claim 4, wherein: an inner groove (2031) is formed in one surface, far away from the positioning plate (202), of the pressing plate (203), and a first sealing ring (2032) is arranged in the inner groove (2031).
6. The connection structure of the polytetrafluoroethylene composite tube according to claim 4, wherein: the opposite surfaces of the positioning plate (202) and the pressing plate (203) are respectively provided with a first limit groove and a second limit groove (2033), and two ends of the elastic piece (204) are respectively arranged in the first limit groove and the second limit groove (2033) and are fixedly connected with the positioning plate (202) and the pressing plate (203).
7. The connection structure of the polytetrafluoroethylene composite tube according to claim 4, wherein: a sealing groove (205) is annularly arranged on the inner wall of the connecting pipe sleeve (2) and positioned between the pressing plate (203) and the connecting groove (201), and a second sealing ring (206) is arranged in the sealing groove (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984802.3U CN219367107U (en) | 2022-11-09 | 2022-11-09 | Connecting structure of polytetrafluoroethylene composite tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984802.3U CN219367107U (en) | 2022-11-09 | 2022-11-09 | Connecting structure of polytetrafluoroethylene composite tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367107U true CN219367107U (en) | 2023-07-18 |
Family
ID=87115587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222984802.3U Active CN219367107U (en) | 2022-11-09 | 2022-11-09 | Connecting structure of polytetrafluoroethylene composite tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219367107U (en) |
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2022
- 2022-11-09 CN CN202222984802.3U patent/CN219367107U/en active Active
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