CN216479522U - Quick connecting piece of pipe tetrafluoro inside lining - Google Patents

Abstract

The utility model discloses a quick connecting piece of pipe tetrafluoro inside lining, including pipe and connecting piece body, the inside lining pipe of inner wall fixedly connected with tetrafluoro of pipe, first fixed slot has been seted up to the top and the bottom symmetry of pipe left end, the first sealing rubber ring of left side wall body fixedly connected with of the inside lining pipe of tetrafluoro, the fixed slot of second has been seted up to the top and the bottom symmetry of the inside lining pipe left end of tetrafluoro, the fixed cover of left end outside of connecting piece body is equipped with supplementary solid fixed ring, annular sealing slot has been seted up to the right side middle part wall body of connecting piece body. This quick connecting piece of pipe tetrafluoro inside lining, through mutually supporting of the first fixed slot, the fixed slot of second, auxiliary plate body, first fixed inserted block, first logical groove, the fixed inserted block of second, first negative pressure spring, first T shape pull rod, the T shape pull rod of second that set up can realize pipe and connecting piece body high-speed joint and dismantlement.

Description

Quick connecting piece of pipe tetrafluoro inside lining

Technical Field

The utility model relates to a quick connect coupler field of pipe tetrafluoro inside lining, in particular to quick connect coupler of pipe tetrafluoro inside lining.

Background

When the pipelines are connected, a plastic lining pipe is generally arranged between the two pipelines and used for improving the stability and the sealing effect of the connection; the plastic lining pipe is generally sleeved between two pipelines and arranged in the pipelines, a connecting piece is usually arranged for mutual connection during connection, the connecting piece is a mechanical connecting piece and is used for connecting soft or hard pipelines, the connecting piece is generally composed of two reinforcing steel bar wire heads with the same specification and right-handed threads and a connecting sleeve with right-handed internal threads, and one of the two reinforcing steel bars is a standard reinforcing steel bar wire head with the effective thread length of 1/2 connecting sleeve length; the other is a connecting sleeve with the effective thread length being the length of the connecting sleeve plus a long-thread steel bar thread head, the connecting sleeve is a standard connecting sleeve, the connecting piece on the market at present is a mechanical part for connecting the guide pipes, and the connecting piece is connected to the inner linings at the ends of the two guide pipes so as to achieve the purpose of connecting the guide pipes with each other.

In chinese utility model patent application no: CN201920595583.5 discloses a guide pipe plastic lining convenient to maintain, which comprises a plastic lining pipe, a first guide pipe and a second guide pipe, wherein a circular ring sheet is fixedly sleeved in the middle of the plastic lining pipe, the first guide pipe and the second guide pipe are respectively sleeved with two sides of the plastic lining pipe, a rubber sealing ferrule is sleeved on the surface of the plastic lining pipe, rubber sealing gaskets are arranged on two sides of the circular ring sheet, fixing sheets are fixedly arranged on the surface of the first guide pipe and the surface of the second guide pipe, the fixing sheets are rotatably connected with a tension gas spring, a climbing buckle is fixedly arranged at the tail end of the tension gas spring, a fixing ring is fixedly arranged on the surface of the circular ring sheet, and the climbing buckle is buckled on the fixing ring; the utility model discloses a rational in infrastructure, be convenient for carry out the spacing removal of extension air spring, for dismantling and installing provide convenient to for the interior bushing pipe of plastics take out, the inspection and change provide convenient, be convenient for maintain. The inside lining of the device carries out bolted connection through traditional ring flange when carrying out mutual connection, and the installation is all comparatively loaded down with trivial details with the dismantlement, and the leakproofness can not obtain the guarantee simultaneously.

Therefore, there is a need for a quick connector for teflon liners of catheters that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a quick connect element of pipe tetrafluoro inside lining can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rapid connecting piece for a polytetrafluoroethylene lining of a conduit comprises the conduit and a connecting piece pipe body, wherein the inner wall of the conduit is fixedly connected with a polytetrafluoroethylene lining pipe, the top and the bottom of the left end of the conduit are symmetrically provided with a first fixing slot, the left side wall body of the polytetrafluoroethylene lining pipe is fixedly connected with a first sealing rubber ring, the top and the bottom of the left end of the polytetrafluoroethylene lining pipe are symmetrically provided with a second fixing slot, the outside of the left end of the connecting piece pipe body is fixedly sleeved with an auxiliary fixing ring, the right side middle wall body of the connecting piece pipe body is provided with an annular sealing slot, the right end of the inner cavity of the annular sealing slot is inserted with a second sealing rubber ring, the left side wall body of the second sealing rubber ring is uniformly and fixedly connected with a second negative pressure spring in a surrounding manner, the top and the bottom of the right end of the connecting piece pipe body are symmetrically provided with a first through groove, and the upper end middle part and the lower end middle wall body of the auxiliary fixing ring are symmetrically provided with a movable groove, two the inner chamber symmetry of activity groove is inserted and is equipped with the auxiliary plate body, two the first fixed inserted block of right-hand member symmetry fixedly connected with of the relative one side of auxiliary plate body, two the fixed inserted block of middle part symmetry fixedly connected with second of the relative one side of auxiliary plate body, two the right-hand member symmetry fixedly connected with second T shape pull rod of the back of the body one side of the back of the body of auxiliary plate body, two the first T shape pull rod of left end symmetry fixedly connected with that the back of the body of auxiliary plate body was carried on the back one end outside symmetry cover mutually is close to and is equipped with first negative pressure spring, the second logical groove has been seted up to auxiliary fixing ring's top and bottom symmetry.

Preferably, the two first fixed insertion blocks are respectively matched with the two first fixed slots.

Preferably, one end, close to the two second fixed insertion blocks, of each of the two second fixed insertion blocks is respectively matched with the two second fixed insertion slots, and one end, close to the two second fixed insertion blocks, of each of the two second fixed insertion blocks respectively penetrates through the two first through grooves and extends to the inner cavity of the annular sealing insertion groove.

Preferably, the first sealing rubber ring is matched with the annular sealing slot at the left end of the tetrafluoro lining pipe.

Preferably, the two ends of the first T-shaped pull rod away from each other respectively penetrate through the two second through grooves and respectively extend to the outer sides of the top and the bottom of the auxiliary fixing ring.

Preferably, the two first negative pressure springs are respectively located in the inner cavities of the two movable grooves, the diameter of each first negative pressure spring is larger than the inner diameter of each second through groove, and the left ends of the second negative pressure springs are fixedly connected with the left side wall body of the inner cavity of the annular sealing insertion groove.

Advantageous effects

Compared with the prior art, the utility model provides a quick connect element of pipe tetrafluoro inside lining possesses following beneficial effect:

1. this quick connecting piece of pipe tetrafluoro inside lining, through the first fixed slot that sets up, the fixed slot of second, auxiliary plate body, first fixed inserted block, first logical groove, the fixed inserted block of second, first negative pressure spring, first T shape pull rod, the mutually supporting of second T shape pull rod can conveniently carry out fixed connection to pipe and connecting piece body, convenient operation can realize high-speed joint and dismantlement, has improved work efficiency.

2. This quick connecting piece of pipe tetrafluoro inside lining, first sealing rubber ring, second sealing rubber ring, annular seal slot, the second negative pressure spring through setting up mutually support and can increase the leakproofness of connecting piece body and the intraductal junction in tetrafluoro, elasticity and soft contact make the leakproofness of junction better, have increased the security.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the auxiliary plate body of the present invention;

fig. 4 is a schematic structural diagram of the second sealing rubber ring and the second negative pressure spring of the present invention.

In the figure: 1. a conduit; 2. a connector tube body; 3. an auxiliary fixing ring; 4. a tetrafluoro lining pipe; 5. a first sealing rubber ring; 6. a first fixed slot; 7. a second fixed slot; 8. an annular seal slot; 9. a second sealing rubber ring; 10. an auxiliary plate body; 11. a first fixed insert; 12. a first through groove; 13. a second fixed insert; 14. a movable groove; 15. a second through groove; 16. a first T-shaped pull rod; 17. a first negative pressure spring; 18. a second T-shaped pull rod; 19. a second negative pressure spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1-4, a rapid connecting piece for a tetrafluoro liner of a conduit comprises a conduit 1 and a connecting piece tube body 2, wherein the inner wall of the conduit 1 is fixedly connected with a tetrafluoro liner tube 4, the top and the bottom of the left end of the conduit 1 are symmetrically provided with a first fixing slot 6, the left side wall body of the tetrafluoro liner tube 4 is fixedly connected with a first sealing rubber ring 5, the top and the bottom of the left end of the tetrafluoro liner tube 4 are symmetrically provided with a second fixing slot 7, the outer part of the left end of the connecting piece tube body 2 is fixedly sleeved with an auxiliary fixing ring 3, the right side middle wall body of the connecting piece tube body 2 is provided with an annular sealing slot 8, the left ends of the first sealing rubber ring 5 and the tetrafluoro liner tube 4 are matched with the annular sealing slot 8, the inner cavity of the annular sealing slot 8 is inserted with a second sealing rubber ring 9, and the left side wall body of the second sealing rubber ring 9 is uniformly and fixedly connected with a second negative pressure spring 19 in a surrounding way, the left ends of a plurality of second negative pressure springs 19 are fixedly connected with the left side wall body of the inner cavity of the annular sealing slot 8, the sealing performance of the joint of the connecting piece pipe body 2 and the polytetrafluoroethylene lining pipe 4 can be improved through the mutual matching of the arranged first sealing rubber ring 5, the second sealing rubber ring 9, the annular sealing slot 8 and the second negative pressure springs 19, the sealing performance of the joint is better due to elasticity and soft contact, and the safety is improved, the top and the bottom of the right end of the connecting piece pipe body 2 are symmetrically provided with a first through groove 12, the wall bodies of the middle part of the upper end and the middle part of the lower end on the right side of the auxiliary fixing ring 3 are symmetrically provided with movable grooves 14, the inner cavities of the two movable grooves 14 are symmetrically inserted with auxiliary plate bodies 10, the right ends of the opposite sides of the two auxiliary plate bodies 10 are symmetrically and fixedly connected with first fixed inserting blocks 11, the two first fixed inserting blocks 11 are respectively matched with the two first fixed slots 6, the middle parts of the opposite sides of the two auxiliary plate bodies 10 are symmetrically and fixedly connected with second fixed inserting blocks 13, the ends, close to each other, of the two second fixed insertion blocks 13 are respectively matched with the two second fixed slots 7, the ends, close to each other, of the two second fixed insertion blocks 13 respectively penetrate through the two first through grooves 12 and extend to the inner cavity of the annular sealing slot 8, the right ends, opposite to each other, of the two auxiliary plate bodies 10 are symmetrically and fixedly connected with second T-shaped pull rods 18, the left ends, opposite to each other, of the two auxiliary plate bodies 10 are symmetrically and fixedly connected with first T-shaped pull rods 16, the ends, far away from each other, of the two first T-shaped pull rods 16 respectively penetrate through the two second through grooves 15 and respectively extend to the outer sides of the top and the bottom of the auxiliary fixing ring 3, first negative pressure springs 17 are symmetrically sleeved on the outer portions, close to each end, of the two first T-shaped pull rods 16, the two first negative pressure springs 17 are respectively located in the inner cavities of the two movable grooves 14, the diameter of the first negative pressure springs 17 is larger than the inner diameter of the second through grooves 15, the top and the bottom of the auxiliary fixing ring 3 are symmetrically provided with second through grooves 15, through the mutual cooperation of the first fixing slot 6, the second fixing slot 7, the auxiliary plate body 10, the first fixing insertion block 11, the first through groove 12, the second fixing insertion block 13, the first negative pressure spring 17, the first T-shaped pull rod 16 and the second T-shaped pull rod 18, the catheter 1 and the connecting piece body 2 can be conveniently and fixedly connected, the operation is convenient, the quick connection and the disassembly can be realized, and the working efficiency is improved.

It should be noted that the utility model relates to a rapid connecting piece for tetrafluoro lining of conduit, when in use, first pull two first T-shaped pull rods 16 and two second T-shaped pull rods 18 back to back, thereby driving two auxiliary plate bodies 10 to move away from each other, the left ends of the two auxiliary plate bodies 10 extrude two first negative pressure springs 17 and simultaneously drive two second fixed insertion blocks 13 and two first fixed insertion blocks 11 to move away from each other, until the ends of the two second fixed insertion blocks 13 are separated from the inner cavity of the annular sealing slot 8, then insert the left ends of the first sealing rubber ring 5 and the tetrafluoro lining tube 4 into the inner cavity of the annular sealing slot 8, so that the left side of the first sealing rubber ring 5 is tightly attached to the right side of the second sealing rubber ring 9, and continue to press inwards after inserting into the inner cavity of the annular sealing slot 8 to drive the second sealing rubber ring 9 to extrude a distance of the second negative pressure spring 19, until the two first fixing slots 6 are respectively matched with the two first fixing insertion blocks 11, finally the two first T-shaped pull rods 16 and the two second T-shaped pull rods 18 are loosened, the two first fixing insertion blocks 11 can be automatically inserted into the inner cavities of the two first fixing slots 6 under the action of the reverse action force of the two first negative pressure springs 17, meanwhile, the two second fixing insertion blocks 13 can be automatically inserted into the inner cavities of the two second fixing insertion slots 7, so that the installation and the sealing of the catheter 1 and the connecting piece pipe body 2 are completed, the operation is convenient, the quick connection and the disassembly can be realized, the working efficiency is improved, the sealing performance of the connecting part between the connecting piece pipe body 2 and the polytetrafluoroethylene lining pipe 4 can be improved through the mutual matching of the arranged first sealing rubber ring 5, the second sealing rubber ring 9, the annular sealing insertion slot 8 and the second negative pressure spring 19, the sealing performance of the connecting part is better due to elasticity and soft contact, the safety is increased.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a quick connector of pipe tetrafluoro inside lining, includes pipe (1) and connecting piece body (2), its characterized in that: the inner wall of the guide pipe (1) is fixedly connected with a tetrafluoro lining pipe (4), the top and the bottom of the left end of the guide pipe (1) are symmetrically provided with first fixed slots (6), the left side wall body of the tetrafluoro lining pipe (4) is fixedly connected with a first sealing rubber ring (5), the top and the bottom of the left end of the tetrafluoro lining pipe (4) are symmetrically provided with second fixed slots (7), the outer part of the left end of the connecting piece pipe body (2) is fixedly sleeved with an auxiliary fixing ring (3), the right side middle wall body of the connecting piece pipe body (2) is provided with an annular sealing slot (8), the right end of the inner cavity of the annular sealing slot (8) is inserted with a second sealing rubber ring (9), the left side wall body of the second sealing rubber ring (9) is uniformly and fixedly connected with a second negative pressure spring (19) in a surrounding manner, and the top and the bottom of the right end of the connecting piece pipe body (2) are symmetrically provided with first through grooves (12), the upper end middle part and the lower end middle part wall body on the right side of the auxiliary fixing ring (3) are symmetrically provided with movable grooves (14), the inner cavities of the two movable grooves (14) are symmetrically inserted with auxiliary plate bodies (10), the right ends of the opposite sides of the two auxiliary plate bodies (10) are symmetrically and fixedly connected with first fixed insertion blocks (11), the middle parts of the opposite sides of the two auxiliary plate bodies (10) are symmetrically and fixedly connected with second fixed insertion blocks (13), the right ends of the opposite sides of the two auxiliary plate bodies (10) are symmetrically and fixedly connected with second T-shaped pull rods (18), the left ends of the opposite sides of the two auxiliary plate bodies (10) are symmetrically and fixedly connected with first T-shaped pull rods (16), and the outer parts of the ends, close to each other, of the two first T-shaped pull rods (16) are symmetrically sleeved with first negative pressure springs (17), and second through grooves (15) are symmetrically formed in the top and the bottom of the auxiliary fixing ring (3).

2. The conduit tetrafluoro-lined quick connector of claim 1, wherein: the two first fixed inserting blocks (11) are respectively matched with the two first fixed slots (6).

3. The conduit tetrafluoro-lined quick connector of claim 1, wherein: one ends, close to the second fixed insertion blocks (13), of the two second fixed insertion blocks are respectively matched with the two second fixed insertion slots (7), and one ends, close to the second fixed insertion blocks (13), of the two second fixed insertion blocks penetrate through the two first through grooves (12) respectively and extend to the inner cavity of the annular sealing insertion slot (8).

4. The conduit tetrafluoro-lined quick connector of claim 1, wherein: the first sealing rubber ring (5) and the left end of the tetrafluoro lining pipe (4) are matched with the annular sealing slot (8).

5. The conduit tetrafluoro-lined quick connector of claim 1, wherein: one ends, far away from each other, of the two first T-shaped pull rods (16) respectively penetrate through the two second through grooves (15) and respectively extend to the outer sides of the top and the bottom of the auxiliary fixing ring (3).

6. The conduit tetrafluoro-lined quick connector of claim 1, wherein: the two first negative pressure springs (17) are respectively located in the inner cavities of the two movable grooves (14), the diameter of each first negative pressure spring (17) is larger than the inner diameter of each second through groove (15), and the left ends of the second negative pressure springs (19) are fixedly connected with the left side wall body of the inner cavity of the annular sealing slot (8).

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