CN210014116U

CN210014116U - Novel polytetrafluoroethylene sealing element

Info

Publication number: CN210014116U
Application number: CN201920369887.XU
Authority: CN
Inventors: 许慧
Original assignee: Nanjing Huiyu Plastic New Material Co Ltd
Current assignee: Nanjing Huiyu Plastic New Material Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-02-04
Anticipated expiration: 2029-03-22

Abstract

The utility model relates to a sealing member technical field just discloses a novel polytetrafluoroethylene sealing member, including first connecting pipe, the right side fixed mounting of first connecting pipe has first flange, the constant head tank has been seted up on first flange's right side, the inside fixed mounting of constant head tank has the sealing washer, the inside fixedly connected with of constant head tank extends the head, the left side fixed mounting that extends the head has the extrusion circle, the ring channel has been seted up on the right side of sealing washer. This novel polytetrafluoroethylene sealing member through having installed first flange to first connecting pipe to and seted up the constant head tank to first connecting flange, reached and carried out spacing effect to the extension head, through having installed the sealing washer to the constant head tank, and to having installed the extrusion circle to the extension head, thereby reached and made the corrosion-resistant increase of service life's of sealing member purpose, through having seted up the ring channel to the sealing washer, and to having installed the bulge loop to the extrusion circle, reached sealed effectual purpose.

Description

Novel polytetrafluoroethylene sealing element

Technical Field

The utility model relates to a sealing member technical field specifically is a novel polytetrafluoroethylene sealing member.

Background

Polytetrafluoroethylene, commonly known as plastic king, is a high molecular compound polymerized from tetrafluoroethylene, has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-stick property, electrical insulation property and good aging resistance, can be used as engineering plastic to be made into polytetrafluoroethylene tubes, rods, belts, plates, films and the like, is generally applied to corrosion-resistant pipelines, containers, pumps, valves, radars, high-frequency communication equipment, radio equipment and the like with higher performance requirements, and sealing elements are materials or parts for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading parts in machine equipment.

Along with the development of society, the use of pipe connection sealing member also progressively increases, current pipe sealing member is mostly two flanges and passes through the screw fixation, the rethread rubber circle is sealed as sealed, thereby connecting tube and sealed effect has been reached, this structure need twist the screw through other appurtenance when installing and dismantling and moves, it is comparatively inconvenient to operate, and current rubber seal's corrosion resisting property is less strong, it is damaged by corrosion easily to use the back sealed pad for a long time, thereby lead to pipeline connection department to take place to reveal, so propose a novel polytetrafluoroethylene sealing member and solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel polytetrafluoroethylene sealing member, possess easy to assemble and long service life's advantage, solved current sealing member and need twist the screw through other appurtenance when installing and dismantling and move, it is comparatively inconvenient to operate, and the sealed corrosion resisting property of rubber packing is relatively weak, and the sealed pad of long-time back of using is corroded the damage easily to lead to the problem that pipeline connection department takes place to reveal.

(II) technical scheme

For the purpose of realizing above-mentioned easy to assemble and long service life, the utility model provides a following technical scheme: a novel polytetrafluoroethylene sealing element comprises a first connecting pipe, wherein a first connecting flange is fixedly arranged on the right side of the first connecting pipe, a positioning groove is formed in the right side of the first connecting flange, a sealing ring is fixedly arranged in the positioning groove, an extending head is fixedly connected in the positioning groove, a squeezing ring is fixedly arranged on the left side of the extending head, a ring groove is formed in the right side of the sealing ring, a convex ring extending into the ring groove is fixedly arranged on the left side of the squeezing ring, a second connecting flange is fixedly arranged on the right side of the extending head, a second connecting pipe is fixedly arranged on the right side of the second connecting flange, fixed blocks are fixedly arranged on the outer portions of the first connecting flange and the second connecting flange, through holes are formed in the two fixed blocks, and threaded rods are movably connected in the two through holes, the left side fixed mounting of threaded rod has the locating piece with fixed block fixed connection, the extrusion piece has been cup jointed to the outside of threaded rod, the screw hole that corresponds with the threaded rod is seted up to the inside of extrusion piece, the right side fixed mounting of extrusion piece has two connecting rods, two the right side fixed mounting of connecting rod has the handle.

Preferably, a through hole is formed in the extension head, and the diameter of the through hole is smaller than the diameters of the first connecting pipe and the second connecting pipe.

Preferably, the three fixing blocks are fixedly mounted outside the first connecting flange and the second connecting flange, and the thickness of the first connecting flange is larger than that of the second connecting flange.

Preferably, the sealing ring and the extrusion ring are made of polytetrafluoroethylene, and the thickness of the sealing ring is the same as that of the extrusion ring.

Preferably, the positioning groove is circular, and the diameter of the positioning groove is larger than the diameters of the first connecting pipe and the second connecting pipe.

Preferably, the connecting rod and the handle are both made of stainless steel, an anti-slip sleeve is fixedly mounted on the outer portion of the handle, and the anti-slip sleeve is made of rubber.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel polytetrafluoroethylene sealing member possesses following beneficial effect:

1. this novel polytetrafluoroethylene sealing member has installed first flange to first connecting pipe through setting up to and seted up the constant head tank to first connecting flange, has reached and has carried out spacing effect to the extension head, has installed the sealing washer to the constant head tank through setting up, and has installed the extrusion circle to the extension head, thereby has reached the purpose that makes the corrosion-resistant increase of service life of sealing member, has seted up the ring channel to the sealing washer through setting up, and has installed the bulge loop to the extrusion circle, has reached sealed effectual purpose.

2. This novel polytetrafluoroethylene sealing member has all installed the fixed block to first flange and second flange through setting up to and seted up the through hole to the fixed block, has reached and has carried out spacing effect to the screw rod, has installed the connection to the threaded rod through setting up, and to threaded rod threaded connection the extrusion piece and to the extrusion piece installed the handle, has reached pipeline's seal assembly easy to assemble's purpose.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: the device comprises a first connecting pipe 1, a first connecting flange 2, a positioning groove 3, a sealing ring 4, an extension head 5, an extrusion ring 6, an annular groove 7, a convex ring 8, a second connecting flange 9, a second connecting pipe 10, a fixing block 11, a through hole 12, a threaded rod 13, a positioning block 14, an extrusion block 15, a threaded hole 16, a connecting rod 17 and a handle 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel teflon sealing member comprises a first connecting pipe 1, a first connecting flange 2 is fixedly installed on the right side of the first connecting pipe 1, a positioning groove 3 is formed on the right side of the first connecting flange 2, a sealing ring 4 is fixedly installed inside the positioning groove 3, an extending head 5 is fixedly connected inside the positioning groove 3, a squeezing ring 6 is fixedly installed on the left side of the extending head 5, the sealing ring 4 and the squeezing ring 6 are made of teflon, the thicknesses of the sealing ring 4 and the squeezing ring 6 are the same, an annular groove 7 is formed on the right side of the sealing ring 4, a convex ring 8 extending into the annular groove 7 is fixedly installed on the left side of the squeezing ring 6, a second connecting flange 9 is fixedly installed on the right side of the extending head 5, a second connecting pipe 10 is fixedly installed on the right side of the second connecting flange 9, the positioning groove 3 is circular, the diameter of the positioning groove 3 is larger than the diameters, the extension head 5 is internally provided with a through hole, the diameter of the through hole is smaller than the diameter of the first connecting pipe 1 and the second connecting pipe 10, the outer parts of the first connecting flange 2 and the second connecting flange 9 are fixedly provided with fixing blocks 11, the outer parts of the first connecting flange 2 and the second connecting flange 9 are fixedly provided with three fixing blocks 11, the thickness of the first connecting flange 2 is larger than the thickness of the second connecting flange 9, the inner parts of the two fixing blocks 11 are respectively provided with a through hole 12, the inner parts of the two through holes 12 are movably connected with a threaded rod 13, the left side of the threaded rod 13 is fixedly provided with a positioning block 14 fixedly connected with the fixing blocks 11, the outer part of the threaded rod 13 is sleeved with an extrusion block 15, the inner part of the extrusion block 15 is provided with a threaded hole 16 corresponding to the threaded rod 13, the right side of the extrusion block 15 is fixedly provided with two connecting rods 17, the right, the connecting rod 17 and the handle 18 are both made of stainless steel, and an anti-slip sleeve is fixedly arranged outside the handle 18 and is made of rubber.

When using, extrusion circle 6 and sealing washer 4 all are polytetrafluoroethylene material, can make extrusion circle 6 and sealing washer 4 more corrosion-resistant, thereby reach long service life's purpose, bulge loop 8 on the extrusion circle 6 corresponds ring channel 7 on the sealing washer 4, can make the sealed effect of connecting the sealing member better, during the installation component, twist handle 18, extrusion piece 15 can be far away from to locating piece 14 through the screw thread and remove, then time two flange mutual extrusions, finally reached easy to assemble and long service life's purpose.

To sum up, this novel polytetrafluoroethylene sealing member has installed first flange 2 to first connecting pipe 1 through the setting, and has seted up constant head tank 3 to first flange 2, has reached and has carried out spacing effect to extension head 5, has installed sealing washer 4 to constant head tank 3 through the setting, and has installed extrusion circle 6 to extension head 5, thereby reached and made the corrosion-resistant increase of service life's of sealing member purpose, set up ring channel 7 to sealing washer 4 through the setting, and installed bulge loop 8 to extrusion circle 6, reached sealed effectual purpose.

And, all installed fixed block 11 to first flange 2 and second flange 9 through the setting, and seted up through hole 12 to fixed block 11, reached and carried out spacing effect to threaded rod 13, installed connection 14 through the setting to threaded rod 13, and to threaded rod 13 threaded connection extrusion piece 15 and to extrusion piece 15 installed handle 18, reached the purpose of connecting tube's seal assembly easy to assemble.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A novel polytetrafluoroethylene seal comprising a first connecting tube (1), characterized in that: the right side of the first connecting pipe (1) is fixedly provided with a first connecting flange (2), the right side of the first connecting flange (2) is provided with a positioning groove (3), the inside of the positioning groove (3) is fixedly provided with a sealing ring (4), the inside of the positioning groove (3) is fixedly connected with an extension head (5), the left side of the extension head (5) is fixedly provided with an extrusion ring (6), the right side of the sealing ring (4) is provided with a ring groove (7), the left side of the extrusion ring (6) is fixedly provided with a convex ring (8) extending to the inside of the ring groove (7), the right side of the extension head (5) is fixedly provided with a second connecting flange (9), the right side of the second connecting flange (9) is fixedly provided with a second connecting pipe (10), and the first connecting flange (2) and the outside of the second connecting flange (9) are both fixedly provided with a fixing block (11), two through hole (12), two have all been seted up to the inside of fixed block (11) the inside swing joint of through hole (12) has threaded rod (13), the left side fixed mounting of threaded rod (13) has locating piece (14) with fixed block (11) fixed connection, extrusion piece (15) have been cup jointed to the outside of threaded rod (13), screw hole (16) that correspond with threaded rod (13) are seted up to the inside of extrusion piece (15), the right side fixed mounting of extrusion piece (15) has two connecting rods (17), two the right side fixed mounting of connecting rod (17) has handle (18).

2. A novel polytetrafluoroethylene seal according to claim 1, wherein: the extension head (5) is internally provided with a through hole, and the diameter of the through hole is smaller than the diameters of the first connecting pipe (1) and the second connecting pipe (10).

3. A novel polytetrafluoroethylene seal according to claim 1, wherein: the outer portions of the first connecting flange (2) and the second connecting flange (9) are fixedly provided with three fixing blocks (11), and the thickness of the first connecting flange (2) is larger than that of the second connecting flange (9).

4. A novel polytetrafluoroethylene seal according to claim 1, wherein: the sealing ring (4) and the extrusion ring (6) are made of polytetrafluoroethylene, and the sealing ring (4) and the extrusion ring (6) are the same in thickness.

5. A novel polytetrafluoroethylene seal according to claim 1, wherein: the positioning groove (3) is circular, and the diameter of the positioning groove (3) is larger than the diameters of the first connecting pipe (1) and the second connecting pipe (10).

6. A novel polytetrafluoroethylene seal according to claim 1, wherein: the connecting rod (17) and the handle (18) are both made of stainless steel, an anti-slip sleeve is fixedly mounted on the outer portion of the handle (18), and the anti-slip sleeve is made of rubber.