CN210462031U - Straight-through connecting piece applied to corrugated pipe connection - Google Patents
Straight-through connecting piece applied to corrugated pipe connection Download PDFInfo
- Publication number
- CN210462031U CN210462031U CN201921261085.3U CN201921261085U CN210462031U CN 210462031 U CN210462031 U CN 210462031U CN 201921261085 U CN201921261085 U CN 201921261085U CN 210462031 U CN210462031 U CN 210462031U
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- sleeve
- accommodating cavity
- connection
- truncated cone
- annular
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Abstract
The utility model discloses a be applied to straight-through connection spare that bellows is connected, include: the central channel is internally provided with an annular step surface, an annular accommodating cavity and a truncated cone-shaped accommodating cavity which are arranged from bottom to top, the truncated cone-shaped accommodating cavity is in an inverted truncated cone shape, and the minimum inner diameter of the truncated cone-shaped accommodating cavity is equal to the inner diameter of the annular accommodating cavity; the upper sleeve is screwed at the upper end of the lower sleeve; the rubber gasket is arranged in the annular accommodating cavity, and the lower end face of the rubber gasket is abutted against the annular step face; the pressing lantern ring is arranged in the circular truncated cone-shaped accommodating cavity, and the lower end of the pressing lantern ring abuts against the upper end face of the rubber gasket; the snap ring is embedded inside the upper sleeve from bottom to top, and the lower end face of the snap ring is abutted to the upper end face of the pressing lantern ring. Its technical scheme is through last sleeve screw down the sleeve after, can inwards extrude the snap ring and compress tightly the lantern ring and press from both sides tight bellows, follows the toper type lateral wall downward extrusion in round platform type holding chamber simultaneously and compresses tightly the lantern ring, effectively realizes quick connection's effect, and the leakproofness preferred after connecting.
Description
Technical Field
The utility model relates to a bellows junction line technical field especially relates to a be applied to straight-through connection spare that bellows was connected.
Background
The bellows is mainly applied to the connection of gas apparatus, and present bellows attach fitting realizes through flange joint usually, and its mounting means is comparatively complicated, and the leakproofness after the installation is not good.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, a through connection applied to corrugated pipe connection is provided to effectively achieve a quick connection effect and to improve the sealing performance after connection, so as to overcome the above technical defects.
The specific technical scheme is as follows:
a feed-through connection for use in connection with corrugated tubing, comprising:
the lower sleeve is longitudinally provided with a central channel, and an annular step surface, an annular accommodating cavity and a truncated cone-shaped accommodating cavity which are arranged from bottom to top are formed in the central channel, wherein the truncated cone-shaped accommodating cavity is in an inverted truncated cone shape, and the minimum inner diameter of the truncated cone-shaped accommodating cavity is equal to the inner diameter of the annular accommodating cavity;
the upper sleeve is longitudinally provided with a central through hole and is screwed at the upper end of the lower sleeve;
the rubber gasket is arranged in the annular accommodating cavity, and the lower end face of the rubber gasket is abutted against the annular step face;
the pressing lantern ring is matched with the structure of the truncated cone-shaped accommodating cavity and is arranged in the truncated cone-shaped accommodating cavity, and the lower end of the pressing lantern ring abuts against the upper end face of the rubber gasket after assembly;
the clamping ring is of a circular truncated cone structure penetrating through the center and is embedded in the upper sleeve from bottom to top, and the lower end face of the clamping ring is abutted to the upper end face of the pressing sleeve ring.
Preferably, the annular wall of the snap ring is provided with a plurality of notches from bottom to top.
Preferably, the inner side wall of the upper sleeve is provided with an annular conical surface matched with the outer side wall structure of the clamping ring.
Preferably, the thickness of the compressing sleeve ring is larger than the depth of the annular accommodating groove, and the maximum outer diameter of the compressing sleeve ring is larger than the maximum inner diameter of the annular accommodating groove.
Preferably, the compression sleeve ring is made of rubber, and the clamping ring is made of plastic.
Preferably, the lower sleeve has a first screw part in the shape of a hexagonal nut at its outer periphery, and is divided into an upper part and a lower part by the first screw part.
Preferably, the upper part of the lower sleeve is provided with a first external thread, and the inner side wall of the upper sleeve is provided with an internal thread matched with the first external thread structure.
Preferably, the inner side wall of the lower portion of the lower sleeve is provided with a second internal thread, or the outer side wall of the lower portion of the lower sleeve is provided with a second external thread.
Preferably, the periphery of the upper sleeve is provided with a second screwing part in the shape of a hexagon nut, and the lower end face of the snap ring is embedded with an annular metal ring to form an inwardly extending snap ring.
Preferably, the device further comprises a clamping ring which is integrally in a C shape, and the clamping ring is clamped on the periphery of the upper part of the lower sleeve.
The beneficial effects of the above technical scheme are that:
be applied to straight-through connection spare that bellows is connected and include lower sleeve, upper sleeve, rubber packing ring, compress tightly the lantern ring, snap ring, inside the bellows from the upper sleeve from top to bottom inserted, after screwing lower sleeve through upper sleeve, can inwards extrude the snap ring and compress tightly the lantern ring and press from both sides tight bellows, the cone type lateral wall extrusion downwards along round platform type holding chamber compresses tightly the lantern ring simultaneously, effectively realizes the effect of high-speed joint, and the leakproofness preferred after connecting.
Drawings
Fig. 1 is an exploded view of a straight-through connection of the present invention applied to a bellows connection;
fig. 2 is an exploded view of the present invention applied to another view of the straight-through connection for corrugated pipe connection;
fig. 3 is the utility model discloses be applied to the cross-sectional view under the direct connecting piece components of a whole that can function independently state that the bellows is connected.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings. And defines the up-down direction as viewed on the paper surface in fig. 3 as the up-down direction in the present embodiment.
Referring to fig. 1 to 3, the through connection member for connecting corrugated pipes according to the present embodiment includes:
the lower sleeve 1 is longitudinally provided with a central channel, an annular step surface 11, an annular accommodating cavity 12 and a truncated cone-shaped accommodating cavity 13 are formed in the central channel from bottom to top, the truncated cone-shaped accommodating cavity 13 is in an inverted truncated cone shape, and the minimum inner diameter of the truncated cone-shaped accommodating cavity 13 is equal to the inner diameter of the annular accommodating cavity 12;
the upper sleeve 5 is longitudinally provided with a central through hole and is screwed at the upper end of the lower sleeve 1;
the rubber gasket 2 is arranged in the annular accommodating cavity 12, and the lower end face of the rubber gasket 2 abuts against the annular step face 11;
the pressing lantern ring 3 is structurally matched with the truncated cone-shaped accommodating cavity 13 and is arranged in the truncated cone-shaped accommodating cavity 13, and after assembly, the lower end of the pressing lantern ring 3 abuts against the upper end face of the rubber gasket 2;
the clamping ring 4 is of a circular truncated cone structure penetrating through the center and is embedded into the upper sleeve 5 from bottom to top, and the lower end face of the clamping ring 4 is abutted to the upper end face of the pressing sleeve ring 3.
Based on above-mentioned technical scheme, be applied to straight-through connection spare that bellows is connected and include lower sleeve 1, upper sleeve 5, rubber packing ring 2, compress tightly the lantern ring 3, snap ring 4, inside the bellows from upper sleeve 5 from top to bottom inserts, screw lower sleeve 1 back through upper sleeve 5, can inwards extrude snap ring 4 and compress tightly lantern ring 3 and press from both sides tight bellows, the conical side wall extrusion downwards along circular truncated cone type holding chamber 13 compresses tightly lantern ring 3 simultaneously, effectively realize the effect of high-speed joint, and the leakproofness preferred after connecting.
In a preferred embodiment, the annular wall of the snap ring 4 is provided with a plurality of notches 41 from bottom to top, so that the snap ring 4 can be tightened inwards during the assembly process. Furthermore, the inner side wall of the upper sleeve 5 is provided with an annular conical surface matched with the outer side wall structure of the snap ring 4. Further, the thickness of the pressing lantern ring 3 is larger than the depth of the annular accommodating groove. Further, the maximum outer diameter of the compressing sleeve ring 3 is larger than the maximum inner diameter of the annular accommodating groove. Further, the pressing sleeve ring 3 is made of rubber, and the clamping ring 4 is made of plastic.
As a further preferred embodiment, the lower sleeve 1 has a first screw part in the shape of a hexagonal nut on the outer circumference thereof, and the lower sleeve 1 is divided into an upper part and a lower part by the first screw part. Furthermore, the upper portion of lower sleeve 1 has first external screw thread, and the internal thread that matches with first external screw thread structure is seted up to the inside wall of upper sleeve 5. Further, a second internal thread is formed on the inner side wall of the lower portion of the lower sleeve 1, or a second external thread is formed on the outer side wall of the lower portion of the lower sleeve 1, so that the purpose of connecting with other components is achieved. Further, the upper sleeve 5 has a second screw part in a hexagonal nut shape on the outer circumference. Furthermore, an annular metal ring is embedded on the lower end face of the snap ring 4 to form an inwardly extending snap ring 42.
As a further preferred embodiment, the straight-through connection piece applied to the corrugated pipe connection further comprises a collar 6 which is integrally in a C shape, and the collar 6 is clamped on the upper outer periphery of the lower sleeve 1 to limit the position of the upper sleeve 5 screwed downwards on the lower sleeve 1 when the straight-through connection piece is not in use, so as to prevent the collar 4 and the pressing collar 3 from being damaged due to long-term extrusion. And when using, remove rand 6 and further rotate upper sleeve 5 downwards to connect in place soon, simultaneously, this embodiment is in concrete installation, need not to carry out plain weave processing to the head of bellows, and direct grafting can use, and is very convenient. The vertical thickness of rand 6 is the distance between two adjacent negative ripples on the bellows for after the assembly, joint ring 42 card is gone into in the negative ripples of bellows, and the structure is more firm, is difficult for deviating from. In addition, an annular groove is further formed in the inner side wall of the upper sleeve 5, and a dustproof lantern ring 7 is embedded in the annular groove.
The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A through connection for a bellows connection, comprising:
the lower sleeve (1) is longitudinally provided with a central channel, an annular step surface (11), an annular accommodating cavity (12) and a circular truncated cone-shaped accommodating cavity (13) are formed in the central channel from bottom to top, the circular truncated cone-shaped accommodating cavity (13) is in an inverted circular truncated cone shape, and the minimum inner diameter of the circular truncated cone-shaped accommodating cavity (13) is equal to the inner diameter of the annular accommodating cavity (12);
the upper sleeve (5) is longitudinally provided with a central through hole and is screwed at the upper end of the lower sleeve (1);
the rubber gasket (2) is arranged in the annular accommodating cavity (12), and the lower end face of the rubber gasket (2) abuts against the annular step face (11);
the pressing lantern ring (3) is structurally matched with the truncated cone-shaped accommodating cavity (13) and is arranged in the truncated cone-shaped accommodating cavity (13), and after assembly, the lower end of the pressing lantern ring (3) abuts against the upper end face of the rubber gasket (2);
the clamping ring (4) is of a circular truncated cone structure penetrating through the center and is embedded into the upper sleeve (5) from bottom to top, and the lower end face of the clamping ring (4) is abutted to the upper end face of the compression sleeve ring (3).
2. A feed-through connection for corrugated pipe connections as in claim 1, wherein the annular wall of the snap ring (4) is provided with a plurality of notches (41) from bottom to top.
3. The through-connection for a bellows connection according to claim 2, characterized in that the inner side wall of the upper sleeve (5) has an annular conical surface which matches the outer side wall structure of the snap ring (4).
4. The feed-through connection for a bellows connection as claimed in claim 2, characterized in that the thickness of the clamping collar (3) is greater than the depth of the annular receiving groove and the maximum outer diameter of the clamping collar (3) is greater than the maximum inner diameter of the annular receiving groove.
5. Through connection for a bellows connection according to claim 4, characterized in that the clamping collar (3) is made of rubber and the snap ring (4) is made of plastic.
6. The through-connection member for corrugated pipe connection according to claim 1, wherein the lower sleeve (1) has a first screw part in a hexagonal nut shape on an outer circumference thereof, and the lower sleeve (1) is divided into an upper part and a lower part by the first screw part.
7. The through connection for corrugated pipe connections according to claim 6, wherein the lower sleeve (1) has a first external thread on its upper part and the upper sleeve (5) has an internal thread on its inner side wall, which is configured to match the first external thread.
8. The through-connection for corrugated pipe connections according to claim 7, characterized in that the lower part of the lower sleeve (1) has a second internal thread on its inner side wall or the lower part of the lower sleeve (1) has a second external thread on its outer side wall.
9. The through-connection for corrugated pipe connections according to claim 8, characterized in that the upper sleeve (5) has a second screw-threaded part in the form of a hexagonal nut on its outer circumference, and that the lower end face of the snap ring (4) is also embedded with an annular metal ring and forms an inwardly extending snap ring (42).
10. The feed-through connection for bellows connections according to claim 9, further comprising a collar (6) having an overall "C" shape, and wherein said collar (6) is engaged on the upper outer periphery of said lower sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261085.3U CN210462031U (en) | 2019-08-06 | 2019-08-06 | Straight-through connecting piece applied to corrugated pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261085.3U CN210462031U (en) | 2019-08-06 | 2019-08-06 | Straight-through connecting piece applied to corrugated pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210462031U true CN210462031U (en) | 2020-05-05 |
Family
ID=70449952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921261085.3U Expired - Fee Related CN210462031U (en) | 2019-08-06 | 2019-08-06 | Straight-through connecting piece applied to corrugated pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210462031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120332A (en) * | 2020-09-10 | 2020-12-25 | 浙江纺织服装职业技术学院 | Closed down filling equipment for clothing processing |
-
2019
- 2019-08-06 CN CN201921261085.3U patent/CN210462031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120332A (en) * | 2020-09-10 | 2020-12-25 | 浙江纺织服装职业技术学院 | Closed down filling equipment for clothing processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 315136 No. 16, Xinheng 6th Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Patentee after: NINGBO ANBANG PIPE Co.,Ltd. Address before: 315136 Jiang Shan Zhen Yang Fu Xing Cun, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO ANBANG PIPE Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20210806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |