CN212203455U - Ferrule type straight-through pipe joint - Google Patents
Ferrule type straight-through pipe joint Download PDFInfo
- Publication number
- CN212203455U CN212203455U CN202020804296.3U CN202020804296U CN212203455U CN 212203455 U CN212203455 U CN 212203455U CN 202020804296 U CN202020804296 U CN 202020804296U CN 212203455 U CN212203455 U CN 212203455U
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- Prior art keywords
- clamping sleeve
- sleeve
- groove
- wall
- connecting section
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- 230000037431 insertion Effects 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 abstract description 9
- 238000010168 coupling process Methods 0.000 abstract description 9
- 238000005859 coupling reaction Methods 0.000 abstract description 9
- 210000004907 gland Anatomy 0.000 description 4
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Abstract
The utility model discloses a cutting ferrule formula straight-through coupling, including connecting the body, its characterized in that: the connector comprises a connector body and is characterized in that a connecting section is formed at one end of the connector body, an insertion groove is formed in the connecting section, a sleeve is placed in the insertion groove, a clamping sleeve cavity used for inserting a clamping sleeve is formed between the outer wall of the sleeve and the inner wall of the insertion groove, a compression nut is screwed on the outer wall of the connecting section, a thread groove is formed in the compression nut, a through hole used for the clamping sleeve to penetrate through is formed in the bottom surface of the thread groove, a clamping sleeve sleeved on the outer wall of the clamping sleeve is arranged in the thread groove, a conical surface is formed on the groove edge of the insertion groove of the connecting section, one end of the clamping sleeve abuts against the groove bottom of the thread groove, and. The utility model provides a cutting ferrule formula straight-through pipe connects, clenching ability and sealing performance when improving the cutting ferrule and connecting this body coupling.
Description
Technical Field
The utility model relates to a coupling field especially relates to a cutting ferrule formula straight-through coupling.
Background
The pipe joint is one of two main components of a liquid conveying system, the ferrule type pipe joint is one of the pipe joints, the connection between the traditional ferrule type pipe joint and the pipeline is not tight enough, the pipeline is easy to fall off, and liquid leakage is easy to occur between the pipeline and the pipe joint, so that the pipeline is damaged.
Therefore, the current chinese utility model with publication number CN104329520A discloses a cutting ferrule formula coupling comprises lock nut, cutting ferrule, coupling body both ends joint is provided with the screw thread with lock nut threaded connection, is provided with the cutting ferrule between every end joint of coupling body and the lock nut, the cutting ferrule comprises sealing ring, clamp ring, sealing ring one end has the every end joint cone intracavity complex cone that stretches into the coupling body, and the sealing ring other end has the annular end face with clamp ring sealing contact.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art's current situation, provide a cutting ferrule formula straight-through pipe joint, promptly ability and sealing performance when improving the sleeve pipe and connecting this body coupling.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a ferrule type straight-through pipe joint, includes the joint body, has seted up the liquid flow channel that is used for liquid to flow through in the joint body, its characterized in that: the connector comprises a connector body, and is characterized in that a connecting section is formed at one end of the connector body, an insertion groove communicated with a liquid flow channel is formed in the connecting section, a sleeve is placed in the insertion groove, a clamping sleeve cavity used for clamping a sleeve pipe to insert is formed between the outer wall of the sleeve and the inner wall of the insertion groove, an external thread is formed on the outer wall of the connecting section, a compression nut is arranged on the outer wall of the connecting section, a thread groove is formed in the compression nut, an internal thread matched with the external thread of the connecting section is formed on the inner side wall of the thread groove, a through hole used for the clamping sleeve pipe to pass through is formed in the bottom surface of the thread groove, a clamping sleeve sleeved on the outer wall of the clamping sleeve pipe is arranged in the thread groove, a conical surface is formed on the edge of the insertion groove of.
As an improvement, an inclined plane is formed at the bottom of the threaded groove, a first conical surface is formed at one end of the clamping sleeve, a second conical surface is formed at the other end of the clamping sleeve, so that the clamping nut can push the clamping sleeve along the inside of the conical surface of the connector body conveniently, and the locking capacity of the clamping sleeve on the outer wall of the clamping sleeve is improved.
And the inner side wall of the cutting sleeve is provided with an annular groove, an elastic pressing ring is arranged in the annular groove, and when the outer wall of the cutting sleeve pipe is pressed by the cutting sleeve, the pressing ring deforms, so that the pressing capacity is improved.
And the structure of the convex ring ensures that the end surface of the clamping sleeve pipe is pressed on the convex ring after the clamping sleeve pipe is clamped into the insertion groove.
And the bottom of the insertion groove is provided with a sealing ring which is abutted against the end surface of the clamping sleeve, the side wall of the insertion groove is provided with a sealing ring, the sealing ring realizes sealing of the end surface of the clamping sleeve, and the sealing ring realizes sealing of the outer wall of the clamping sleeve.
And the connector is improved, a regular polygonal rotating part is formed in the middle of the connector body, so that the connector body is convenient to connect.
And the other end of the joint body forms an outwards-reduced cone part, and the outer wall of the cone part is provided with a connecting thread.
Compared with the prior art, the utility model has the advantages of: when the pipe joint is installed, firstly, the sealing ring is installed on the side wall of the insertion groove of the joint body, the pressing ring is arranged in the annular groove of the clamping sleeve, then the sleeve is placed in the annular groove, then the pressing nut and the clamping sleeve are sequentially sleeved on the clamping sleeve, the clamping sleeve pipe is inserted into a clamping sleeve cavity formed between the joint body connecting section and the sleeve, after the clamping sleeve pipe is inserted in place, the pressing nut is rotated on the connecting section, one end of the clamping sleeve abuts against the groove bottom of the threaded groove, the other end of the clamping sleeve abuts against the conical surface, along with the screwing of the pressing nut, the pressing nut pushes the other end of the clamping sleeve to slide inwards along the conical surface, so that the clamping sleeve is pressed on the outer wall of the clamping sleeve pipe, the stable connection of the clamping sleeve pipe is realized, meanwhile, the pressing capacity of the clamping sleeve is stronger as the pressing nut is screwed, the sealing performance of the clamping sleeve, only need screw off gland nut earlier, later can pull out cutting ferrule and cutting ferrule pipe in proper order can, have the characteristics of simple operation.
Drawings
Fig. 1 is a schematic structural view of a ferrule-type straight-through pipe joint according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, the embodiment of the utility model discloses a cutting ferrule formula straight-through pipe joint, including connecting body 1, cutting ferrule 3, sleeve 7, gland nut 4, sealing washer 6, sealing ring 5 and clamp ring 33.
Wherein, a liquid flow channel 11 for liquid to flow through is arranged in the joint body 1, one end of the joint body 1 is provided with a connecting section 12, the connecting section 12 is provided with an insertion groove 13 communicated with the liquid flow channel, a sleeve 7 is arranged in the insertion groove 13, a clamping sleeve cavity for inserting the clamping sleeve 8 is formed between the outer wall of the sleeve 7 and the inner wall of the insertion groove 13, the outer wall of the connecting section 12 is provided with an external thread 121, the outer wall of the connecting section 12 is provided with a compression nut 4, the cap of the compression nut 4 is provided with a thread groove 42, the inner side wall of the thread groove 42 is provided with an internal thread 41 matched with the external thread 121 of the connecting section 12, the bottom surface of the thread groove 42 is provided with a through hole 43 for the clamping sleeve 8 to pass through, the clamping sleeve 3 sleeved on the outer wall of the clamping sleeve 8 is arranged in the thread groove 42, the clamping sleeve is provided with a conical surface 122 at the groove edge of the insertion groove, the other end of the ferrule 3 abuts against the tapered surface 122.
Furthermore, a slope 421 is formed at the bottom of the thread groove 42, a first conical surface 31 is formed at one end of the ferrule 3, and a second conical surface 32 is formed at the other end of the ferrule 3, so that the gland nut 4 can push the ferrule along the inside of the conical surface 122 of the connector body 1, and the locking capability of the ferrule 3 on the outer wall of the ferrule 8 is improved.
In addition, an annular groove is formed in the inner side wall of the clamping sleeve 3, an elastic pressing ring 33 is arranged in the annular groove, and when the clamping sleeve 3 presses the outer wall of the clamping sleeve 8, the pressing ring 33 deforms, so that the pressing capacity is improved. Meanwhile, a necking 72 is formed at one end of the sleeve 7, a convex ring 71 is formed on the end face of the other end of the sleeve 7, the convex ring 71 is arranged at the bottom of the insertion groove 13, the arrangement of the necking 72 is convenient for the sleeve 7 to be inserted into the ferrule 8, and meanwhile, the structure of the convex ring 71 enables the end face of the ferrule 8 to be pressed on the convex ring 71 after the ferrule 8 is clamped into the insertion groove 13.
In addition, the bottom of the insertion groove 13 is provided with a sealing ring 5 which is abutted against the end face of the clamping sleeve 8, the side wall of the insertion groove 13 is provided with a sealing ring 6, the sealing ring 5 seals the end face of the clamping sleeve 8, and the sealing ring 6 seals the outer wall of the clamping sleeve 8.
Finally, the middle part of the joint body 1 is formed with a regular polygonal rotating part 14, which facilitates the connection of the joint body 1. A tapered portion 15 that narrows outward is formed at the other end of the joint body 1, and a connection screw 151 is provided on the outer wall of the tapered portion 15.
When the pipe joint is installed, firstly, the sealing ring 6 is installed on the side wall of the insertion groove 13 of the joint body 1, the pressing ring 33 is arranged in the annular groove of the clamping sleeve, then the sleeve 7 is placed, then the pressing nut 4 and the clamping sleeve 3 are sequentially sleeved on the clamping sleeve 8, the clamping sleeve 8 is inserted into the clamping sleeve cavity formed between the connecting section 12 of the joint body 1 and the sleeve 7, after the clamping sleeve 8 is inserted in place, the pressing nut 4 is rotated on the connecting section 12, one end of the clamping sleeve 3 abuts against the groove bottom of the thread groove 42, the other end of the clamping sleeve 3 abuts against the conical surface 122, along with the screwing of the pressing nut 4, the pressing nut 4 pushes the other end of the clamping sleeve 3 to slide inwards along the conical surface 122, so that the clamping sleeve 3 is pressed on the outer wall of the clamping sleeve 8, the stable connection of the clamping sleeve 8 is realized, meanwhile, the pressing capacity of the clamping sleeve 3 is stronger, sealing performance when card sleeve pipe 8 and joint body 1 are connected has also been improved, and when needing to dismantle card sleeve pipe 8, only need screw down gland nut 4 earlier, later can pull out cutting ferrule 3 and card sleeve pipe 8 in proper order can, have the characteristics of simple operation.
Claims (7)
1. The straight-through pipe joint of cutting ferrule formula is including connecting body (1), has seted up liquid flow channel (11) that are used for liquid to flow through in connecting body (1), its characterized in that: one end of the joint body (1) is provided with a connecting section (12), the connecting section (12) is provided with an insertion groove (13) communicated with the liquid flow channel, a sleeve (7) is placed in the insertion groove (13), a clamping sleeve cavity for inserting the clamping sleeve (8) is formed between the outer wall of the sleeve (7) and the inner wall of the insertion groove (13), the outer wall of the connecting section (12) is provided with an external thread (121), the outer wall of the connecting section (12) is provided with a compression nut (4), the compression nut (4) is provided with a thread groove (42), the inner side wall of the thread groove (42) is provided with an internal thread (41) matched with the external thread (121) of the connecting section (12), the bottom surface of the thread groove (42) is provided with a through hole (43) for the clamping sleeve (8) to pass through, and a clamping sleeve (3) sleeved on the outer wall of the clamping sleeve (8) is arranged in, a tapered surface (122) is formed on the groove edge of the insertion groove (13) of the connecting section (12), one end of the cutting sleeve (3) is abutted against the groove bottom of the thread groove (42), and the other end of the cutting sleeve (3) is abutted against the tapered surface (122).
2. The ferrule type straight-through pipe joint according to claim 1, wherein: a slope (421) is formed at the bottom of the thread groove (42), a first conical surface (31) is formed at one end of the cutting sleeve (3), and a second conical surface (32) is formed at the other end of the cutting sleeve (3).
3. The ferrule type straight-through pipe joint according to claim 2, wherein: an annular groove is formed in the inner side wall of the clamping sleeve (3), and an elastic pressing ring (33) is arranged in the annular groove.
4. The ferrule type straight-through pipe joint according to claim 1, wherein: a necking opening (72) is formed at one end of the sleeve (7), a convex ring (71) is formed on the end face of the other end of the sleeve (7), and the convex ring (71) is arranged at the bottom of the insertion groove (13).
5. The ferrule type straight-through pipe joint according to claim 4, wherein: and a sealing ring (5) which is abutted against the end face of the clamping sleeve (8) is arranged at the bottom of the insertion groove (13), and a sealing ring (6) is arranged on the side wall of the insertion groove (13).
6. The ferrule type straight-through pipe joint according to claim 1, wherein: the middle part of the joint body (1) is provided with a regular polygonal rotating part (14).
7. The ferrule type straight-through pipe joint according to claim 1, wherein: the other end of the joint body (1) forms an outwards-reduced conical part (15), and the outer wall of the conical part (15) is provided with a connecting thread (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020804296.3U CN212203455U (en) | 2020-05-14 | 2020-05-14 | Ferrule type straight-through pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020804296.3U CN212203455U (en) | 2020-05-14 | 2020-05-14 | Ferrule type straight-through pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203455U true CN212203455U (en) | 2020-12-22 |
Family
ID=73814524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020804296.3U Active CN212203455U (en) | 2020-05-14 | 2020-05-14 | Ferrule type straight-through pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992414A (en) * | 2022-06-13 | 2022-09-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Hard tube cutting ferrule connecting device |
| CN115264304A (en) * | 2022-08-26 | 2022-11-01 | 天津博泰天宇科技发展有限公司 | A kind of quick release bottom support structure for PTZ |
-
2020
- 2020-05-14 CN CN202020804296.3U patent/CN212203455U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992414A (en) * | 2022-06-13 | 2022-09-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Hard tube cutting ferrule connecting device |
| CN115264304A (en) * | 2022-08-26 | 2022-11-01 | 天津博泰天宇科技发展有限公司 | A kind of quick release bottom support structure for PTZ |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |