CN218524544U

CN218524544U - Locking assembly of PTFE (Polytetrafluoroethylene) membrane in water resistance testing device

Info

Publication number: CN218524544U
Application number: CN202222637523.XU
Authority: CN
Inventors: 王之浩; 黄杰; 郝建伟; 郭思含
Original assignee: Chongqing Baoman New Material Co ltd
Current assignee: Chongqing Baoman New Material Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-02-24
Anticipated expiration: 2032-10-09

Abstract

The utility model provides a locking Assembly of PTFE membrane among ability testing arrangement blocks water belongs to PTFE membrane testing arrangement technical field. It has solved the locking subassembly locking pin rate of current PTFE membrane low, complex operation's problem. This locking Assembly of PTFE membrane among water-blocking capability test device, including the connector that has first hole and the butt joint that has the second hole, first hole and second hole intercommunication when butt joint and connector butt joint, the cover is equipped with the overcoat that one end was used in the butt joint on the butt joint, is equipped with connection structure between the overcoat other end and the connector, can make the butt joint compress tightly the connector under connection structure's effect when the rotatory overcoat of a direction. The utility model discloses owing to only need rotatory overcoat can realize being connected and dismantling of butt joint and connector, convenient operation has effectively improved the efficiency of loading and unloading PTFE membrane.

Description

Locking assembly of PTFE (Polytetrafluoroethylene) membrane in water resistance testing device

Technical Field

The utility model belongs to the technical field of PTFE membrane testing arrangement, a locking Assembly of PTFE membrane among ability testing arrangement blocks water is related to.

Background

In order to test the water blocking capacity of the PTFE membrane, a PTFE membrane water blocking capacity testing device is needed, the working principle is that after the water pressure is increased to a certain pressure value, the water pressure is connected to the PTFE membrane through a pipeline, the water permeation situation of the PTFE membrane is observed, and therefore the water blocking capacity of the PTFE membrane is tested. For example, the applicant has invented a PTFE membrane water blocking capability testing device [ No. CN217404087U ], which includes a storage tank and a main water pipe communicated with the storage tank, wherein one end of the main water pipe is connected to a connector, an abutting joint is butt-jointed on the connector, and the PTFE membrane is located between the connector and the abutting joint and is locked by a clamp structure.

Because the connector and the butt joint are locked by adopting the hoop structure, the relative rotation of the connector and the butt joint can be avoided during locking, and the abrasion of the PTFE membrane caused by rotation is prevented. But find clamp structure complex operation in the use, the locking direction is perpendicular with the axial motion direction of butt joint, and locking efficiency is low, has effectively reduced the efficiency of loading and unloading PTFE membrane.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a locking Assembly who can realize quick locking and block water among the ability testing arrangement PTFE membrane.

The purpose of the utility model can be realized by the following technical proposal:

locking Assembly of PTFE membrane among ability testing arrangement blocks water, including the connector that has first hole and the butt joint that has the second hole, first hole and second hole intercommunication when butt joint and connector butt joint, the cover is equipped with the overcoat that one end was used in the butt joint on the butt joint, be equipped with connection structure between the overcoat other end and the connector, can make the butt joint compress tightly the connector under connection structure's effect when the rotatory overcoat of a direction.

During the test, put the PTFE membrane on the connector to make the PTFE membrane seal first hole, then put the connector on with the butt joint, push down the PTFE membrane, then rotate the overcoat to one direction, because the one end of overcoat is used in the butt joint, be equipped with connection structure between the other end and the connector, can make the butt joint compress tightly the connector under connection structure's effect, finally realize compressing tightly the PTFE membrane between connector and butt joint.

After the test is finished, the outer sleeve is rotated in the opposite direction, so that the outer sleeve is separated from the connection with the connector, then the butt joint is taken away, and the PTFE membrane is replaced.

The butt joint and the connector can be connected and detached only by rotating the outer sleeve, so that the operation is convenient, and the efficiency of loading and unloading the PTFE membrane is effectively improved.

In the locking assembly of the PTFE membrane in the water blocking capability testing device, the butt joint is provided with an annular limiting surface, the inner side of the top of the outer sleeve is provided with an inner annular blocking edge which is arranged opposite to the annular limiting surface, and when the outer sleeve is connected with the joint, the inner annular blocking edge is abutted against the annular limiting surface.

The central line of the annular limiting surface is the axis of the butt joint, the central line of the inner annular baffle edge is the axis of the outer sleeve, and when the locking assembly locks the PTFE membrane, the connector, the butt joint and the outer sleeve are coaxially arranged. When the outer sleeve is connected with the connector, the inner annular blocking edge acts on the annular limiting surface to drive the butt joint to move in the same direction of the connector.

In the locking Assembly of PTFE membrane in above-mentioned water-blocking capability testing arrangement, connection structure includes a plurality of guide ways of following circumference arrangement on the connector, locates the guide way and keeps away from the spigot one end the spigot and a plurality of locating the overcoat inboard and with the spacing arch that the guide way one-to-one set up, the spigot be a plurality of and with the guide way one-to-one setting, the connector axial extension is followed to the guide way, the spigot extends along connector circumference, the spigot to the connector is close to the extending direction crescent along the spigot to the distance of spigot one end.

Spacing protruding distance to interior annular fender edge is greater than the minimum distance of spigot surface to the spacing face of annular, and a plurality of spigot surfaces extend along clockwise, and clockwise rotation overcoat can realize the locking to the PTFE membrane, and anticlockwise rotation overcoat can realize the unblock to the PTFE membrane.

In the locking assembly of the PTFE membrane in the water blocking capability testing device, the connecting structure comprises an internal thread arranged on the inner periphery of the outer sleeve and an external thread arranged on the outer periphery of the connector, and the internal thread is matched with the external thread.

In the locking assembly of the PTFE membrane in the water blocking capability testing apparatus, the outer sleeve has two handles disposed opposite to each other, and the handles extend along the radial direction of the outer sleeve.

The handle is arranged to facilitate the rotation of the outer sleeve, so as to increase the force arm and save labor when the outer sleeve is rotated.

In the locking assembly of the PTFE membrane in the water blocking capability testing device, the connecting head is provided with a limiting groove extending along the axial direction of the connecting head, the butt joint is provided with a limiting column arranged opposite to the limiting groove, and when the limiting column is inserted into the limiting groove, the connecting head and the butt joint can be limited to rotate relatively. The limiting groove and the limiting column can limit relative rotation of the connector and the butt joint, and the connector is coaxial with the butt joint when the limiting column is inserted into the limiting groove.

In the locking assembly of the PTFE membrane in the water blocking capability testing device, the butt joint is provided with a limiting groove extending along the axial direction of the butt joint, the connecting head is provided with a limiting column arranged opposite to the limiting groove, and when the limiting column is inserted into the limiting groove, the connecting head and the butt joint can be limited to rotate relatively. The limiting groove and the limiting column can limit relative rotation of the connector and the butt joint, and the connector is coaxial with the butt joint when the limiting column is inserted into the limiting groove.

In the locking assembly of the PTFE membrane in the water blocking capability testing device, one end of the connector, which is close to the butt joint, is provided with a first flange, one end of the butt joint, which is close to the connector, is provided with a second flange, and the connecting structure is arranged between the first flange and the second flange.

The annular limiting surface is positioned on one side, away from the first flange, of the second flange, the limiting groove is formed in the first flange/the second flange, and the limiting column is arranged on the second flange/the first flange. When the connection structure includes the guide groove and the guide surface, the guide groove and the guide surface are provided on the outer periphery of the first flange. When the connection structure includes an external thread and an internal thread, the external thread is provided on the outer periphery of the first flange.

Compared with the prior art, the utility model has the advantages of it is following:

the connection between the connector and the butt joint is realized through the outer sleeve, the operation is convenient, and the loading and unloading of the PTFE membrane are high; the handle is arranged on the outer sleeve, so that the force arm is increased, and the outer sleeve is more labor-saving when rotated; set up spacing groove and spacing post, can restrict connector and butt joint relative rotation, avoid the wearing and tearing of PTFE membrane, can guarantee the axiality of connector and butt joint again simultaneously, make first hole just right with the second hole, reliability when effectively having improved the measurement.

Drawings

Fig. 1 is an exploded view of a PTFE membrane locking assembly provided in accordance with one embodiment.

Fig. 2 is a bottom view of a PTFE membrane locking assembly provided in accordance with one embodiment.

Fig. 3 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a sectional view taken at B-B in fig. 2.

Fig. 5 is a bottom view of the PTFE membrane locking assembly provided in example two.

Fig. 6 is a cross-sectional view at C-C in fig. 5.

Fig. 7 is a cross-sectional view taken at D-D in fig. 5.

In the figure, 1, a connector; 11. a first inner bore; 12. a guide groove; 13. a guide surface; 14. an external thread; 15. a limiting groove; 16. a first flange; 2. a butt joint; 21. a second inner bore; 22. an annular limiting surface; 23. a limiting post; 24. a second flange; 3. a jacket; 31. an inner annular blocking edge; 32. a limiting bulge; 33. an internal thread; 34. a handle.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

The locking assembly of the PTFE membrane in the water blocking capability testing device shown in fig. 1 comprises a connector 1 having a first inner hole 11 and an opposite joint 2 having a second inner hole 21, wherein one end of the connector 1 close to the opposite joint 2 is provided with a first flange 16, one end of the opposite joint 2 close to the connector 1 is provided with a second flange 24, and the first inner hole 11 is communicated with the second inner hole 21 when the first flange 16 is in opposite joint with the second flange 24.

As shown in fig. 3 and 4, the outer sleeve 3 is sleeved on the second flange 24, the second flange 24 is provided with an annular limiting surface 22, the inner side of the top of the outer sleeve 3 is provided with an inner annular blocking edge 31 which is arranged opposite to the annular limiting surface 22, and the inner annular blocking edge 31 abuts against the annular limiting surface 22 when the outer sleeve 3 is connected with the connecting head 1. The central line of the annular limiting surface 22 is the axis of the butt joint 2, the central line of the inner annular blocking edge 31 is the axis of the outer sleeve 3, and when the locking assembly locks the PTFE membrane, the connector 1, the butt joint 2 and the outer sleeve 3 are coaxially arranged. When the outer sleeve 3 is connected with the connector 1, the inner annular blocking edge 31 acts on the annular limiting surface 22 to drive the butt joint 2 to move towards the connector 1 together.

A connecting structure is arranged between the lower end of the outer sleeve 3 and the connector 1, and when the outer sleeve 3 is rotated towards one direction, the butt joint 2 can be pressed against the connector 1 under the action of the connecting structure.

During the test, put the connector 1 with the PTFE membrane on to make the PTFE membrane seal first hole 11, then put connector 1 with butt joint 2 on, push down the PTFE membrane, then to the rotatory overcoat 3 of a direction, because the one end of overcoat 3 is used in butt joint 2, be equipped with connection structure between the other end and the connector 1, can make butt joint 2 compress tightly connector 1 under connection structure's effect, finally realize compressing tightly the PTFE membrane between connector 1 and butt joint 2.

After the test is finished, the outer sleeve 3 is rotated in the opposite direction, so that the outer sleeve 3 is disconnected from the connector 1, then the butt joint 2 is taken away, and the PTFE membrane is replaced.

The connection and the disassembly of the butt joint 2 and the connector 1 can be realized only by rotating the outer sleeve 3, so that the operation is convenient, and the efficiency of loading and unloading the PTFE membrane is effectively improved.

In this embodiment, as shown in fig. 1 to 4, the connection structure includes a plurality of guide grooves 12 arranged on the connector 1 in an annular array, a guide surface 13 disposed on the guide groove 12 and far away from one end of the connector 2, and a plurality of limiting protrusions 32 disposed on the inner side of the outer sleeve 3 and arranged in one-to-one correspondence with the guide grooves 12, the guide surface 13 is a plurality of and arranged in one-to-one correspondence with the guide grooves 12, the guide grooves 12 are distributed in an annular array, the guide grooves 12 extend along the axial direction of the connector 1, the guide surface 13 extends along the circumferential direction of the connector 1, and the distance from the guide surface 13 to one end of the connector 1, which is close to the connector 2, gradually increases along the extending direction of the guide surface 13.

In this embodiment, as shown in fig. 2, two guide grooves 12 are distributed on the first flange 16 in an annular array, a distance from the limiting protrusion 32 to the inner annular blocking edge 31 is greater than a minimum distance from the guide surface 13 to the annular limiting surface 22, the plurality of guide surfaces 13 extend clockwise, the PTFE membrane can be locked by rotating the outer sleeve 3 clockwise, and the PTFE membrane can be unlocked by rotating the outer sleeve 3 counterclockwise.

As shown in fig. 1, 2 and 4, the outer sleeve 3 is provided with two oppositely arranged handles 34, and the handles 34 extend along the radial direction of the outer sleeve 3, so that the arm of force is increased, and labor is saved when the outer sleeve 3 is rotated.

As shown in fig. 1-3, the connecting head 1 has a limiting groove 15 extending along the axial direction of the connecting head 1, and the abutment 2 has a limiting post 23 disposed opposite to the limiting groove 15, so that when the limiting post 23 is inserted into the limiting groove 15, the connecting head 1 and the abutment 2 can be limited from rotating relatively. The limiting groove 15 and the limiting column 23 can limit the relative rotation of the connector 1 and the butt joint 2, and the connector 1 is coaxial with the butt joint 2 when the limiting column 23 is inserted into the limiting groove 15. In this embodiment, as shown in fig. 2, two limiting grooves 15 are symmetrically disposed on the first flange 16.

Example two

The construction principle of this embodiment is substantially the same as that of the first embodiment, except that, as shown in fig. 5 to 7, the connection structure includes an internal thread 33 provided on the inner periphery of the outer sleeve 3 and an external thread 14 provided on the outer periphery of the coupler 1, and the internal thread 33 is engaged with the external thread 14.

EXAMPLE III

The structure principle of this embodiment is basically the same as that of the first embodiment, except that the abutment 2 has a limiting groove 15 extending axially along the abutment 2, and the connection head 1 has a limiting post 23 disposed opposite to the limiting groove 15, so that when the limiting post 23 is inserted into the limiting groove 15, the connection head 1 and the abutment 2 can be limited from rotating relatively. The limiting groove 15 and the limiting column 23 can limit the relative rotation of the connector 1 and the butt joint 2, and the connector 1 is coaxial with the butt joint 2 when the limiting column 23 is inserted into the limiting groove 15. In this embodiment, two limiting grooves 15 are symmetrically formed on the second flange 24.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a locking Assembly of PTFE membrane among water-blocking capability testing arrangement, is including connector (1) that has first hole (11) and butt joint (2) that have second hole (21), first hole (11) and second hole (21) intercommunication when butt joint (2) and connector (1) butt joint, a serial communication port, the cover is equipped with overcoat (3) that one end was used in on butt joint (2), be equipped with connection structure between overcoat (3) the other end and connector (1), can make butt joint (2) compress tightly connector (1) under connection structure's effect when towards the rotatory overcoat of an orientation (3).

2. The locking assembly of the PTFE membrane in the water blocking capability test device according to claim 1, wherein the butt joint (2) has an annular limiting surface (22), the inner side of the top of the outer sleeve (3) has an inner annular blocking edge (31) opposite to the annular limiting surface (22), and the inner annular blocking edge (31) abuts against the annular limiting surface (22) when the outer sleeve (3) is connected with the joint (1).

3. A locking assembly of PTFE membrane in water blocking ability testing arrangement according to claim 1 or 2, characterized in that, connection structure includes a plurality of guide ways (12) of circumference arrangement on connector (1), locate guide way (12) and keep away from spigot (2) one end spigot (13) and a plurality of locating overcoat (3) inboard and with spacing protruding (32) of guide way (12) one-to-one setting, guide way (13) be a plurality of and with guide way (12) one-to-one setting, guide way (12) are along connector (1) axial extension, connector (1) circumference is extended in guide way (13), guide way (13) are close to the extending direction crescent along guide way of guide way (13) to connector (1) the distance that spigot (2) one end was close to.

4. A locking assembly of PTFE films in a water blocking capability testing device according to claim 1 or 2, wherein the connecting structure comprises an internal thread (33) provided on the inner circumference of the outer sleeve (3) and an external thread (14) provided on the outer circumference of the connector (1), the internal thread (33) being engaged with the external thread (14).

5. A locking assembly of PTFE membranes in a water blocking capability testing device according to claim 1, characterized in that the outer casing (3) has two oppositely disposed handles (34), the handles (34) extending radially along the outer casing (3).

6. A locking assembly of a PTFE membrane in a water blocking capability test device according to claim 1, wherein the connector (1) is provided with a limiting groove (15) extending along the axial direction of the connector (1), the butt joint (2) is provided with a limiting post (23) arranged opposite to the limiting groove (15), and when the limiting post (23) is inserted into the limiting groove (15), the relative rotation of the connector (1) and the butt joint (2) can be limited.

7. The locking assembly of the PTFE membrane in the water blocking capability test device according to claim 1, wherein the butt joint (2) is provided with a limiting groove (15) extending along the axial direction of the butt joint (2), the joint (1) is provided with a limiting post (23) opposite to the limiting groove (15), and when the limiting post (23) is inserted into the limiting groove (15), the joint (1) and the butt joint (2) can be limited from rotating relatively.

8. A locking assembly of PTFE membrane in a water blocking capability test device according to claim 1, wherein one end of the connector (1) close to the butt joint (2) is provided with a first flange (16), one end of the butt joint (2) close to the connector (1) is provided with a second flange (24), and the connecting structure is arranged between the first flange (16) and the second flange (24).