CN219866740U

CN219866740U - Anti-loosening connecting structure for polytetrafluoroethylene tube

Info

Publication number: CN219866740U
Application number: CN202320807217.8U
Authority: CN
Inventors: 魏向东
Original assignee: Zhenjiang Teflon Plastic Co ltd
Current assignee: Zhenjiang Teflon Plastic Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-10-20
Anticipated expiration: 2033-04-12

Abstract

The utility model belongs to the field of polytetrafluoroethylene pipe connection, and particularly relates to a locking connection structure for polytetrafluoroethylene pipes, which solves the problems of inconvenient installation and poor sealing property in the prior art, and comprises a first pipeline, a connecting pipe and a second pipeline, wherein four symmetrically arranged and communicated mounting grooves and clamping holes are formed in the first pipeline and the second pipeline, and four mounting blocks which are annularly and uniformly distributed are fixedly arranged on two sides of the connecting pipe; the inside sliding fit of installation piece has the fixture block, and the inside sliding fit of connecting pipe has four dismantlement poles that are annular equipartition, through the setting of dismantlement pole, fixture block isotructure, the pulling dismantles the pole, realizes the motion of fixture block through parts such as movable rod and pull rod, loosens the dismantlement pole, and the jump ring drives the fixture block and resets, realizes the installation and the dismantlement between first and second pipeline and the connecting pipe, and the mode of fixture block joint is more firm, avoids not hard up, saves high temperature heating step, simple structure, convenient operation.

Description

Anti-loosening connecting structure for polytetrafluoroethylene tube

Technical Field

The utility model relates to the technical field of polytetrafluoroethylene tube connection, in particular to an anti-loosening connection structure for polytetrafluoroethylene tubes.

Background

At present, polytetrafluoroethylene is an artificial synthetic polymer material using fluorine to replace all hydrogen atoms in polyethylene, and can be made into a pipe, commonly called polytetrafluoroethylene pipe, which has the characteristics of acid resistance, alkali resistance and high temperature resistance, and when the pipe is used, the phenomenon of shortage of the length in actual use occurs, so that two polytetrafluoroethylene pipes need to be butted, and a polytetrafluoroethylene pipe connecting device needs to be utilized

The authorized bulletin number in the prior art is: the utility model discloses a polytetrafluoroethylene tube connecting structure of CN210462103U, which relates to the technical field of polytetrafluoroethylene tube connection and comprises connecting ends, wherein one side of each connecting end is integrally connected with a fixed end through injection molding, polytetrafluoroethylene tubes penetrate through the inside of each connecting end, a movable sleeve cover is sleeved outside each polytetrafluoroethylene tube, one side of each movable sleeve cover is integrally connected with a sealing end through injection molding, a guiding switching mechanism is arranged between the connecting ends, and a fixing mechanism is arranged outside each connecting end; according to the utility model, the polytetrafluoroethylene pipeline can be sleeved by the sealing end head from the outside, and the movable sleeve cover can be rotated to the fixed end head, so that the polytetrafluoroethylene pipeline can be reinforced from two ends, the polytetrafluoroethylene pipeline is more tightly connected with the connecting structure, the loosening and falling-off phenomena are prevented, and the tightness is improved; however, the utility model realizes the connection of the two pipelines through the movable sleeve cover and the butt joint pipeline, and then realizes the fixation between the butt joint short pipe and the pipeline through high-temperature heating, and the high-temperature heating consumes too long time and easily scalds staff, thereby causing the installation to be very inconvenient.

Disclosure of Invention

The utility model aims to provide a locking connection structure for a polytetrafluoroethylene tube, which solves the problems of inconvenient installation and poor sealing property.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-loosening connecting structure for the polytetrafluoroethylene tube comprises a first pipeline, a connecting pipe and a second pipeline, wherein four symmetrically arranged and communicated mounting grooves and clamping holes are formed in the first pipeline and the second pipeline, and four annular uniformly distributed mounting blocks are fixedly arranged on two sides of the connecting pipe;

the inside sliding fit of installation piece has the fixture block, the inside sliding fit of connecting pipe has four dismantlement poles that are annular equipartition, the installation piece with special-shaped groove has been seted up jointly to the inside of connecting pipe, movable hinge has movable rod on the special-shaped groove inner wall, sliding fit has telescopic link one and telescopic link two respectively on the movable rod, screw fixedly connected with pull rod is passed through to one side of fixture block, telescopic link one's the other end swing joint is in the other end of pull rod, the other end of dismantlement pole passes through screw fixedly connected with connecting rod, the other end of connecting rod passes through screw fixedly connected with connecting block, telescopic link two's the other end swing joint is in the other end of connecting block, be provided with the inclined plane on the fixture block.

Preferably, a first sealing ring is arranged between the connecting pipe and the first pipeline, and a second sealing ring is arranged between the connecting pipe and the second pipeline.

Preferably, the mounting block is provided with a clamping groove, the clamping block is slidably connected in the clamping groove, one side of the clamping block is welded with a clamping spring, and the other end of the clamping spring is welded on the inner wall of the clamping groove.

Preferably, the movable rod is provided with a first telescopic slot, and the first telescopic rod is connected in a sliding manner in the first telescopic slot.

Preferably, a second telescopic slot is formed in the movable rod, and the second telescopic rod is connected to the second telescopic slot in a sliding mode.

Preferably, four straight grooves which are uniformly distributed in an annular shape are formed in the connecting pipe, and the disassembling rod is connected in a sliding mode in the straight grooves.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the dismounting rod, the clamping block and other structures, the dismounting rod is pulled, the clamping block is moved through the movable rod, the pull rod and other parts, the dismounting rod is loosened, the clamping spring drives the clamping block to reset, the mounting and dismounting between the first pipeline and the second pipeline and the connecting pipe are realized, the clamping block clamping mode is more stable, looseness is avoided, the high-temperature heating step is saved, the structure is simple, and the operation is convenient.

2. According to the utility model, through the arrangement of the structures of the first sealing ring, the second sealing ring and the like, the joint of the connecting pipe and the first pipeline is sealed by the arrangement of the first sealing ring, and the joint of the connecting pipe and the second pipeline is sealed by the arrangement of the second sealing ring, so that the influence of the leakage of the transmission material on the transmission efficiency and the influence of dust entering on the quality of the transmission material are avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an enlarged view of the utility model at reference a.

In the figure: 1. a first pipeline; 2. a connecting pipe; 3. a second pipeline; 4. a mounting groove; 5. a clamping hole; 6. a mounting block; 7. a special-shaped groove; 8. a clamping block; 9. a pull rod; 10. clamping springs; 11. a movable rod; 12. a first telescopic rod; 13. a second telescopic rod; 14. a connecting block; 15. a connecting rod; 16. disassembling the rod; 17. a first sealing ring; 18. and a second sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an anti-loosening connecting structure for polytetrafluoroethylene tubes comprises a first pipeline 1, a connecting pipe 2 and a second pipeline 3, wherein four symmetrically arranged and communicated mounting grooves 4 and clamping holes 5 are respectively formed in the first pipeline 1 and the second pipeline 3, and four mounting blocks 6 which are annularly and uniformly distributed are fixedly arranged on two sides of the connecting pipe 2; the inside slip of installation piece 6 is equipped with fixture block 8, the inside slip of connecting pipe 2 is equipped with four dismantlement poles 16 that are annular equipartition, special-shaped groove 7 has been offered jointly to the inside of installation piece 6 and connecting pipe 2, movable hinge has movable rod 11 on the special-shaped groove 7 inner wall, sliding fit has telescopic link one 12 and telescopic link two 13 on the movable rod 11 respectively, one side of fixture block 8 passes through screw fixedly connected with pull rod 9, the other end activity of telescopic link one 12 articulates the other end at pull rod 9, the other end of dismantlement pole 16 passes through screw fixedly connected with connecting rod 15, the other end of connecting rod 15 passes through screw fixedly connected with connecting block 14, the other end activity of telescopic link two 13 articulates the other end at connecting block 14, be provided with the inclined plane on the fixture block 8, through the setting of dismantlement pole 16, the setting of structures such as fixture block 8, the pulling dismantlement pole 16 is realized through parts such as movable rod 11 and pull rod 9, loosen the motion of dismantlement pole 16, clamp spring 10 drives fixture block 8 and resets, realize the installation and dismantlement between pipeline one 1 and pipeline two 3 and 2, the mode of fixture block 8 joint is more firm, save fixture block high temperature heating step, simple structure, and convenient operation.

Referring to fig. 1-2, a first sealing ring 17 is arranged between the connecting pipe 2 and the first pipeline 1, a second sealing ring 18 is arranged between the connecting pipe 2 and the second pipeline 3, and the joint of the connecting pipe 2 and the first pipeline 1 is sealed by the arrangement of the first sealing ring 17, the second sealing ring 18 and the like, so that the joint of the connecting pipe 2 and the second pipeline 3 is sealed by the arrangement of the second sealing ring 18, and the influence of the leakage of the transmission materials on the transmission efficiency and the influence of dust entering on the quality of the transmission materials are avoided.

Referring to fig. 1-3, a clamping groove is formed in the mounting block 6, a clamping block 8 is slidably connected in the clamping groove, a clamping spring 10 is welded on one side of the clamping block 8, and the other end of the clamping spring 10 is welded on the inner wall of the clamping groove; the movable rod 11 is provided with a first telescopic groove, and the first telescopic rod 12 is connected in the first telescopic groove in a sliding way; the movable rod 11 is provided with a second telescopic groove, and the second telescopic rod 13 is connected in the second telescopic groove in a sliding manner; four straight grooves which are uniformly distributed in an annular shape are formed in the connecting pipe 2, and the dismounting rod 16 is connected in the straight grooves in a sliding mode.

The specific implementation process of the utility model is as follows: pulling the dismounting rod 16 to drive the connecting rod 15 to move, driving the connecting rod 14 to move by the connecting rod 15, driving the telescopic rod II 13 to move by the connecting rod 14, driving the movable rod 11 and the telescopic rod I12 to move by the telescopic rod II 13, driving the pull rod 9 to pull the clamping block 8 by the telescopic rod I12, enabling the clamping block 8 to move into the clamping groove, loosening the dismounting rod 16, driving the clamping block 8 to reset by the clamp spring 10, and further achieving installation and dismounting of the first pipeline 1 and the second pipeline 3;

further, the joint of the connecting pipe 2 and the first pipeline 1 is sealed by the arrangement of the first sealing ring 17, the joint of the connecting pipe 2 and the second pipeline 3 is sealed by the arrangement of the second sealing ring 18, and the influence of the leakage of the transmission materials on the transmission efficiency and the influence of dust entering on the quality of the transmission materials are avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A locking connection structure that moves for polytetrafluoroethylene tube, includes pipeline one (1), connecting pipe (2) and pipeline two (3), its characterized in that: four symmetrically arranged and communicated mounting grooves (4) and clamping holes (5) are formed in the first pipeline (1) and the second pipeline (3), and four mounting blocks (6) which are annularly and uniformly distributed are fixedly mounted on two sides of the connecting pipe (2);

the inside sliding fit of installation piece (6) has fixture block (8), the inside sliding fit of connecting pipe (2) has four dismantlement poles (16) that are annular equipartition, installation piece (6) with abnormal shape groove (7) have been seted up jointly to the inside of connecting pipe (2), activity articulates on abnormal shape groove (7) inner wall has movable rod (11), sliding fit has telescopic link one (12) and telescopic link two (13) on movable rod (11) respectively, one side of fixture block (8) is through screw fixedly connected with pull rod (9), the other end activity of telescopic link one (12) articulates the other end of pull rod (9), the other end of dismantlement pole (16) is through screw fixedly connected with connecting rod (15), the other end of connecting rod (15) is through screw fixedly connected with connecting block (14), the other end activity of telescopic link two (13) articulates the other end of connecting block (14), be provided with the inclined plane on fixture block (8).

2. The anti-loosening connection structure for polytetrafluoroethylene tubes as claimed in claim 1, wherein: a first sealing ring (17) is arranged between the connecting pipe (2) and the first pipeline (1), and a second sealing ring (18) is arranged between the connecting pipe (2) and the second pipeline (3).

3. The anti-loosening connection structure for polytetrafluoroethylene tubes as claimed in claim 1, wherein: the clamping groove is formed in the mounting block (6), the clamping block (8) is connected to the inside of the clamping groove in a sliding mode, a clamping spring (10) is welded on one side of the clamping block (8), and the other end of the clamping spring (10) is welded on the inner wall of the clamping groove.

4. The anti-loosening connection structure for polytetrafluoroethylene tubes as claimed in claim 1, wherein: the movable rod (11) is provided with a first telescopic groove, and the first telescopic rod (12) is connected inside the first telescopic groove in a sliding mode.

5. The anti-loosening connection structure for polytetrafluoroethylene tubes as claimed in claim 1, wherein: the movable rod (11) is provided with a second telescopic groove, and the second telescopic rod (13) is connected inside the second telescopic groove in a sliding mode.

6. The anti-loosening connection structure for polytetrafluoroethylene tubes as claimed in claim 1, wherein: four straight grooves which are uniformly distributed in an annular mode are formed in the connecting pipe (2), and the disassembling rod (16) is connected in a sliding mode in the straight grooves.