CN210135340U - Sealing device - Google Patents
Sealing device Download PDFInfo
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- CN210135340U CN210135340U CN201920977291.8U CN201920977291U CN210135340U CN 210135340 U CN210135340 U CN 210135340U CN 201920977291 U CN201920977291 U CN 201920977291U CN 210135340 U CN210135340 U CN 210135340U
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- sealing device
- raw material
- sealing
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Abstract
The utility model discloses a sealing device, sealing device is used for the interior sealing between screw thread and the outer screw thread, interior screw thread locates the internal screw thread spare, external screw thread spare is located to outer screw thread, sealing device include the silica gel membrane, attach to raw material area on the silica gel membrane and be used for supporting the first support piece in silica gel membrane and raw material area, first support piece has the opening, just first support piece support by in the one end of external screw thread spare, the raw material area certainly first support piece extends to the periphery of outer screw thread spare, and be in outer screw thread's circumference is upwards, the complete cladding of raw material area outer screw thread tooth. The utility model discloses make the installation very convenient and fast, improved production efficiency greatly.
Description
Technical Field
The utility model relates to a sealing device.
Background
Generally, a line thread connection or a connector thread connection has two sealing means:
1. when the thread pair cannot seal, the thread pair is sealed by adding filler or sealant, such as raw material tape, sealant and the like;
2. depending on the sealing of the thread pair, the sealing performance is not good enough, and in this case, a filler or a sealing substance, such as hemp thread, red lead, polytetrafluoroethylene tape, etc., can be added between the thread pair according to the requirement to further enhance the sealing performance.
But in the process of winding the raw material tape, coating the sealant, or adding the filler or the sealant, the method is very inconvenient and troublesome, thereby greatly influencing the production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sealing device for install very convenient and fast, improved production efficiency greatly.
In order to achieve one of the above objects of the present invention, in one embodiment of the present invention, there is provided a sealing device for sealing between an inner screw thread provided in an internal screw member and an outer screw thread provided in an external screw member, wherein,
sealing device includes the pellosil, attach to on the pellosil raw material area and be used for supporting the first support piece in pellosil and raw material area, first support piece has the opening, just first support piece support lean on in the one end of external screw thread spare, the raw material area certainly first support piece extends to the periphery of outer screw thread tooth, and is in the circumference of outer screw thread tooth is ascending, the raw material area is the cladding completely outer screw thread tooth.
As a further improvement of an embodiment of the present invention, the first supporting member is ring-shaped, the external screw member has an end portion, the first supporting member abuts against the end portion, and the opening faces the end portion.
As a further improvement of an embodiment of the present invention, the first support member is a first sealing ring, the silicone membrane and the raw material tape include from first sealing ring is towards keeping away from the first section that the direction of the central axis of the first sealing ring extends and from the second section that the first section extends, the external screw thread member has a tip, the first section with the tip offsets and leans on, at least part the second section is located the periphery of outer screw thread.
As a further improvement of an embodiment of the present invention, when the sealing device is not used, the second section may be entirely crimped to be adjacent to the first section, and when the sealing device is used, the second section may be expanded to be fitted around the outer thread.
As a further improvement of an embodiment of the present invention, the first supporting member is a casing, and the thread tape is fixed to an inner ring of the casing.
As a further improvement of an embodiment of the present invention, when the sealing device is not used, the silicone membrane and the green tape may be entirely curled to be adjacent to the casing, the external screw member has a peripheral portion adjacent to the external screw thread, on which the screw thread is not provided, the silicone membrane and the green tape may be pulled to be expanded, and when the sealing device is used, the casing is fitted on the peripheral portion, and the silicone membrane and the green tape are expanded to an outer periphery of the external screw thread.
As a further improvement of an embodiment of the present invention, the first support member is a first sealing ring, the sealing device further includes a second sealing ring, the silicone membrane and the raw material tape extend from the first sealing ring to the second sealing ring, the external screw member has a tip, and when the sealing device is used, the first sealing ring abuts against the tip, the second sealing ring drives the silicone membrane and the raw material tape are expanded to the periphery of the external screw thread.
As a further improvement of an embodiment of the present invention, the thickness of the silicone membrane is 0.03mm to 0.2 mm.
As a further improvement of an embodiment of the present invention, the thickness of the raw material tape is 0.03mm to 0.2 mm.
Compared with the prior art, the beneficial effects of the utility model reside in that: owing to be equipped with the first support piece that is used for supporting pellosil and raw material area, when installation sealing device, support first support piece and lean on in the one end of external screw thread, with raw material orientation the periphery of outer screw thread expand can, just can make pellosil and raw material area cover locate on the periphery of outer screw thread to realize the sealed between outer screw thread and the interior screw thread, consequently make the installation very convenient and fast, improved production efficiency greatly.
Drawings
Fig. 1 is a schematic view of a sealing device according to a first embodiment of the present invention, in which the green tape is curled;
FIG. 2 is another schematic view of the sealing device of FIG. 1, with the green tape unrolled;
FIG. 3 is a schematic view of the sealing device of FIG. 1 mounted on an externally threaded member;
FIG. 4 is a schematic view of the sealing device of FIG. 1 mounted on an externally threaded member and the externally threaded member being threaded together with an internally threaded member;
fig. 5 is a schematic view of a sealing device according to a second embodiment of the present invention, in which the green tape is curled;
FIG. 6 is another schematic view of the sealing device of FIG. 5, with the green tape unrolled;
FIG. 7 is a schematic view of the sealing device of FIG. 5 mounted on an externally threaded member;
FIG. 8 is a schematic view of the sealing device of FIG. 5 mounted on the male threaded element and the male and female threaded elements being threaded together;
fig. 9 is a cross-sectional view of a sealing device according to a third embodiment of the present invention, where the first sealing ring and the second sealing ring are in the same plane;
FIG. 10 is a top view of the sealing device of FIG. 9;
FIG. 11 is a schematic view of the sealing device of FIG. 9 positioned over the external threaded element;
fig. 12 is a schematic view of the sealing device of fig. 9 installed between an external screw member and an internal screw member, and the external screw member and the internal screw member are screwed together.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.
Moreover, it will be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by the above terms. The above terms are only used to distinguish these descriptive objects from each other. For example, the first sealing ring may be referred to as the second sealing ring, and likewise, the second sealing ring may also be referred to as the first sealing ring, without departing from the scope of protection of this application.
As shown in fig. 1 to 4, a first embodiment of the present invention provides a sealing device 10, wherein the sealing device 10 is used for sealing between an internal thread 12 and an external thread 14, the internal thread 12 is provided on an internal screw member 16, and the external thread 14 is provided on an external screw member 18. The sealing device 10 is used for sealing between the inner thread 12 and the outer thread 14 when the internally threaded part 16 and the externally threaded part 18 are screwed together.
Specifically, the sealing device 10 includes a silicone membrane, a raw material tape 20 attached to the silicone membrane, and a first supporting member 22 for supporting the silicone membrane and the raw material tape 20, the first supporting member 22 has an opening 24, the first supporting member 22 abuts against one end of the external thread member 18, the silicone membrane and the raw material tape 20 extend from the first supporting member 22 to the outer periphery of the external thread 14, and the raw material tape 20 completely covers the external thread 14 in the circumferential direction of the external thread 14.
The present embodiment also provides a method for mounting the sealing device 10, including the steps of:
a. abutting the first support 22 against one end of the external thread member 18, and extending the raw material tape 20 from the first support 22 to the outer periphery of the external thread 14, wherein the raw material tape 20 completely covers the external thread 14 in the circumferential direction of the external thread 14;
b. the internally threaded member 16 is threaded onto the externally threaded member 18 such that the silicone film and green tape 20 are positioned between the inner threads 12 and the outer threads 14.
In the preferred embodiment, because the first supporting member 22 is provided for supporting the silicone film and the raw material tape 20, when the sealing device 10 is installed, the first supporting member 22 is only required to be abutted against one end of the external thread member 18, and then the silicone film and the raw material tape 20 are unfolded towards the outer periphery of the external threads 14, so that the silicone film and the raw material tape 20 can be sleeved on the outer periphery of the external threads 14, and the sealing between the external threads 14 and the internal threads 12 is realized, thereby the installation is very convenient and fast, and the production efficiency is greatly improved.
The first support 22 is annular, the external screw 18 has an end 26, the first support 22 abuts against the end 26, and the opening 24 faces the end 26. Further, the first support member 22 is a first sealing ring, the silicone membrane and the raw material tape 20 includes a first section 28 extending from the first sealing ring in a direction away from a central axis of the first sealing ring and a second section 30 extending from the first section 28, the first section 28 abuts against the end 26 of the external thread member 18, and at least a part of the second section 30 is located on an outer periphery of the external thread 14. When the screw thread support is installed, the first support member 22 is abutted against the end portion 26 of the external screw thread member 18, and then the silicone membrane and the raw material tape 20 are unfolded towards the external screw thread 14. The silicone film and the raw material tape 20 can be pulled and expanded, and the silicone film and the raw material tape 20 are closed rings around the outer threads 14 in the circumferential direction of the outer threads 14.
In this embodiment, the second section 30 can be fully crimped adjacent the first section 28 when the seal 10 is not in use, and the second section 30 can be deployed around the outer circumference of the outer threads 14 when the seal 10 is in use. Therefore, when the sealing device 10 is stored separately, the volume is small, and the space is saved greatly. And is also convenient to install by only unfolding downward in a direction away from the first support 22.
The internally threaded member 16 has an inwardly extending boss 32, and when the externally threaded member 18 is screwed with the internally threaded member 16, the first support member 22 is located between the end portion 26 of the externally threaded member 18 and the boss 32 of the internally threaded member 16, so that the sealing device 10 is reliably and stably fixed between the externally threaded member 18 and the internally threaded member 16.
The thickness of the raw material tape 20 can be set to different thicknesses according to the requirement, and further, the thickness range of the raw material tape 20 is 0.03 mm-0.2 mm. Preferably, the thickness of the raw material tape 20 is set to 0.03mm, 0.1mm, or 0.2 mm. Of course, other thickness values may be selected. The thickness range of the silicon membrane is also set to be 0.03 mm-0.2 mm. Of course, other thickness values of the silicone membrane can be selected.
As shown in fig. 5 to 8, the present invention provides a second embodiment, which is different from the first embodiment in the specific structural form of the sealing device, and the principle and the installation method thereof are the same as those of the first embodiment. The different parts are described in detail below.
In this embodiment, the first support member 34 is a casing, and the silicone membrane and the raw material tape 36 are fixed to an inner ring of the casing. When the sealing means 33 is not used, the silicone membrane and the green tape 36 can be completely crimped to the adjacent casing. When the sealing means 33 is not in use, but the silicone membrane and the tape 36 are unfolded, the tape 36 extends in a direction parallel to the centre axis of the casing. When the sealing device 33 is used, the silicone film and the raw material tape 36 are pulled and expanded to be fitted around the outer circumference of the outer thread 38.
Specifically, the male screw 40 has a peripheral portion 42 adjacent to the male screw 38, on which no screw thread is provided, and the silicone film and the raw material tape 36 can be stretched, and when the sealing device 33 is used, the sleeve is fitted over the peripheral portion 42 on which no male screw thread 38 is provided, and the raw material tape 36 is spread to the outer periphery of the male screw thread 38, so that the sleeve as the first support 34 is also abutted against one end of the male screw 40. In contrast, in the first embodiment, the first support member abuts against the end portion of one end of the external screw, and in the second embodiment, the first support member 34 abuts against the peripheral portion 42 of one end of the external screw 40.
In this embodiment, when the sealing device 33 is installed, the first support member 34 is fitted around the peripheral portion 42 of the external thread member 40 and abuts against the peripheral portion 42, the silicone film and the raw material tape 36 are spread in the direction of the external threads 38, so that the raw material tape 36 completely covers the external threads 38, and then the external thread member 40 is screwed onto the internal thread member 46, so that the sealing device 33 is located between the internal thread member 46 and the external thread member 40.
As shown in fig. 9 to 12, the present invention provides a third embodiment, which is different from the first embodiment in the specific structural form of the sealing device, and the principle and the installation method thereof are similar to those of the first embodiment. The different parts are described in detail below.
In this embodiment, the first support member 48 is a first sealing ring 48, the sealing device 50 further includes a second sealing ring 52, the silicone membrane and the raw material tape 53 extend from the first sealing ring 48 to the second sealing ring 52, the external screw 54 has an end 56, when the sealing device 50 is used, the first sealing ring 48 abuts against the end 56, and the second sealing ring 52 drives the silicone membrane and the raw material tape 53 to be spread to the outer periphery of the outer thread 58.
When the sealing device 50 is installed, the sealing device 50 is firstly placed at the end 56 of the external thread member 54, the first sealing ring 48 abuts against the end 56, and then the second sealing ring 52 is pulled downwards, so that the raw material tape 53 and the silicone membrane can be spread together, and the silicone membrane and the raw material tape 53 are completely coated on the whole periphery of the external thread 58. Finally, when the male screw member 54 is screwed with the female screw member 60, the first sealing member is located between the end 56 of the male screw member 54 and the boss 62 of the female screw member 60, so that the sealing device 50 is reliably and stably fixed between the male screw member 54 and the female screw member 60.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. A sealing device for sealing between inner screw threads and outer screw threads, the inner screw threads being provided on an inner screw member, the outer screw threads being provided on an outer screw member, characterized in that,
sealing device includes the pellosil, attach to on the pellosil raw material area and be used for supporting the first support piece in pellosil and raw material area, first support piece has the opening, just first support piece support lean on in the one end of external screw thread spare, the raw material area certainly first support piece extends to the periphery of outer screw thread tooth, and is in the circumference of outer screw thread tooth is ascending, the raw material area is the cladding completely outer screw thread tooth.
2. The sealing device of claim 1, wherein the first support member is annular, the externally threaded member has an end against which the first support member abuts, and the opening faces the end.
3. The sealing device of claim 1, wherein the first support member is a first sealing ring, the raw material tape includes a first section extending from the first sealing ring in a direction away from a central axis of the first sealing ring and a second section extending from the first section, the external threaded member has an end, the first section abuts the end, and at least a portion of the second section is located at an outer periphery of the external thread.
4. A sealing device according to claim 3, wherein the second section is adapted to be fully crimped adjacent the first section when the sealing device is not in use, and to be deployed around the outer periphery of the outer thread when the sealing device is in use.
5. The sealing device of claim 1, wherein the first support member is a casing, and the silicone membrane and the raw material tape are fixed to an inner ring of the casing.
6. A sealing device according to claim 5, wherein the silicone membrane and the green tape are all coilable adjacent to the casing when the sealing device is not in use, the external screw member having a peripheral portion adjacent to the outer thread on which the thread is not provided, the silicone membrane and the green tape being drawable, the casing being fitted over the peripheral portion when the sealing device is in use, the silicone membrane and the green tape being unrolled to the outer periphery of the outer thread.
7. The sealing device of claim 1, wherein the first support member is a first sealing ring, the sealing device further comprising a second sealing ring, the silicone membrane and the raw material tape extending from the first sealing ring to the second sealing ring, the externally threaded member having an end, the first sealing ring abutting against the end when the sealing device is in use, the second sealing ring driving the silicone membrane and the raw material tape to be deployed to an outer periphery of the outer thread.
8. The sealing device according to claim 1, wherein the silicone membrane has a thickness of 0.03mm to 0.2 mm.
9. The sealing device of claim 1, wherein the raw tape has a thickness of 0.03mm to 0.2 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920977291.8U CN210135340U (en) | 2019-06-26 | 2019-06-26 | Sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920977291.8U CN210135340U (en) | 2019-06-26 | 2019-06-26 | Sealing device |
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CN210135340U true CN210135340U (en) | 2020-03-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159844A (en) * | 2019-06-26 | 2019-08-23 | 柳道万和(苏州)热流道***有限公司 | The installation method of sealing device and sealing device |
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- 2019-06-26 CN CN201920977291.8U patent/CN210135340U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159844A (en) * | 2019-06-26 | 2019-08-23 | 柳道万和(苏州)热流道***有限公司 | The installation method of sealing device and sealing device |
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