CN213393963U

CN213393963U - Composite material pipe type connecting joint

Info

Publication number: CN213393963U
Application number: CN202022364529.5U
Authority: CN
Inventors: 张丽珠; 肖宇; 贾贺; 丁芳笑
Original assignee: Jilin Shengying Carbon Fiber Products Technology Co ltd
Current assignee: Jilin Shengying Carbon Fiber Products Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-08
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to the technical field of composite material component connection, and discloses a composite material cast connecting joint, solves the problem that the pipe type is easy to break away because the joint connection is not tight enough, and comprises a composite pipe cylinder I and a composite pipe cylinder II, wherein one end of the composite pipe cylinder I is provided with a threaded joint I, one end of the composite pipe cylinder II is provided with a threaded joint II close to the threaded joint I, the outside of the threaded joint II is connected with a connecting ring I, the outside of the threaded joint I is connected with a connecting ring II, the outside of the connecting ring I is sleeved with a linking mechanism II, the outside of the connecting ring II is sleeved with a linking mechanism I, and the linking mechanism II is connected with the linking mechanism I through a sealing mechanism; the first threaded connector, the second threaded connector, the first connecting ring, the second connecting ring, the first connecting mechanism and the second connecting mechanism are arranged, so that the second connecting ring and the first connecting ring can be limited and fixed, and the butt joint operation of the first composite pipe column body and the second composite pipe column body is completed.

Description

Composite material pipe type connecting joint

Technical Field

The utility model belongs to the technical field of the combined material component is connected, specifically be a combined material cast attach fitting.

Background

The carbon fiber has excellent characteristics of high specific strength, high specific modulus, light weight, heat resistance, fatigue resistance, corrosion resistance, creep resistance and the like, is widely applied to the advanced aerospace high-technology fields of satellites, carrier rockets, spacecrafts, civil aircrafts and the like, becomes an irreplaceable strategic base material for advanced national defense industry, is also widely applied to industries such as high-speed rail transit, deep sea oil fields, novel energy sources, buildings and the like, and has wide market prospect.

The traditional pipe type connecting joint adopts a mode of adhesive bonding or mechanical connection, the mode of adhesive bonding is to bond the joint pipes together, the mode of mechanical connection is to add a conical wedge block in the joint and connect the joint pipes in an extrusion and friction mode, however, the separation phenomenon of the joint can be caused when the pipe type connecting joint is used for a long time, and the connecting effect is further influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a combined material cast attach fitting, the effectual problem that the articulate is inseparable enough and cause the cast to break away from among the above-mentioned background art of having solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined material cast attach fitting, includes compound pipe cylinder one and compound pipe cylinder two, the one end of compound pipe cylinder one is equipped with threaded joint one, and the one end of compound pipe cylinder two is equipped with the threaded joint two that is close to threaded joint one, and the external connection of threaded joint two has go-between one, and the external connection of threaded joint one has go-between two, and the outside cover of go-between one is equipped with linking mechanism two, and the outside cover of go-between two is equipped with linking mechanism one, links up mechanism two and links up and is connected through sealing mechanism between the mechanism one.

Preferably, the inner wall of the connecting ring I is provided with a first thread which is engaged with the second thread joint, and the inner wall of the connecting ring II is provided with a second thread which is engaged with the first thread joint.

Preferably, linking up mechanism one and including sleeve one, thread slot, holding tank one and draw-in groove one and external screw thread, the sleeve one set locates the outside of go-between two, and thread slot has been seted up to the one end of sleeve one, and draw-in groove one has been seted up to the intermediate position of sleeve one, and one side of draw-in groove one is equipped with the cover and locates the outside holding tank one of go-between two, and the outer wall of sleeve one is equipped with the external screw thread.

Preferably, linking mechanism two includes sleeve two, screw insert ring, link up ring, internal thread, outer two-way screw, holding tank two and draw-in groove two, the outside of go-between one is located to the sleeve two, draw-in groove two has been seted up to the intermediate position of sleeve two, one side of draw-in groove two is equipped with the cover and locates the outside holding tank two of go-between one, link up ring fixed mounting in the outer wall of sleeve two, the inner wall that links up the ring is equipped with the internal thread of being connected with the external screw thread meshing, the one end that sleeve two are close to sleeve one is equipped with the screw insert ring with screw slot threaded connection, the outer wall intermediate position that links up the ring.

Preferably, the sealing mechanism comprises a sealing ring and an inner bidirectional thread, the sealing ring is sleeved outside the connecting ring, and the inner wall of the sealing ring is provided with the inner bidirectional thread connected with the outer bidirectional thread.

Preferably, the cross sections of the first clamping groove and the second clamping groove are both in an isosceles trapezoid structure, and the inner diameter of one end, close to the threaded insert ring, of each of the first clamping groove and the second clamping groove is larger than the inner diameter of one end, far away from the threaded insert ring, of each of the first clamping groove and the second clamping groove.

Preferably, the thread directions of the first thread joint and the second thread joint are opposite, and the thread directions of the first thread joint and the second thread joint are opposite.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) in work, the threaded joint I, the threaded joint II, the connecting ring I, the connecting ring II, the connecting mechanism I and the connecting mechanism II are arranged, so that the limiting and fixing of the connecting ring II and the connecting ring I can be realized, the butt joint operation of the composite pipe column I and the composite pipe column II is further completed, and the sealing mechanism is matched with the effect of the sealing mechanism, so that the connecting mechanism I and the connecting mechanism II are effectively sealed and reinforced, the separation of the composite pipe column I and the composite pipe column II can be effectively avoided, and the connection stability of the composite pipe column I and the composite pipe column II is further improved;

(2) one end of a first composite pipe column body penetrates through a first accommodating groove and a clamping groove and extends to the outside of a first sleeve, one end of a second composite pipe column body penetrates through a second accommodating groove and a second clamping groove and extends to the outside of a second sleeve, a second connecting ring is connected to the outside of a first threaded joint, the first connecting ring is connected to the outside of a second threaded joint, the second connecting ring is located in the second accommodating groove, the second connecting ring is located in the first accommodating groove, due to the inner diameter design of the first clamping groove and the second clamping groove, clamping of the second connecting ring and the first connecting ring is effectively achieved, the second sleeve and the first sleeve are aligned and rotated by a worker, the threaded insert ring is inserted into the threaded slot, threaded connection of the threaded insert ring and the threaded slot is achieved, meanwhile, internal threads on the connecting ring are connected with external threads on the first sleeve, and connection of the second sleeve and the first sleeve, and the butt joint of the first composite pipe column body and the second composite pipe column body is completed, then the sealing ring is sleeved outside the connecting ring, so that the inner bidirectional thread and the outer bidirectional thread of the inner wall of the sealing ring are connected, and due to the bidirectional design of the inner bidirectional thread and the outer bidirectional thread, the separation of the sealing ring and the connecting ring can be effectively avoided, so that the sealing reinforcement of the first sleeve and the second sleeve is realized, the butt joint stability of the first composite pipe column body and the second composite pipe column body is effectively improved, and the separation of the first composite pipe column body and the second composite pipe column body is further avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 1;

in the figure: 1. a first composite pipe column body; 2. a second composite pipe column body; 3. a first threaded joint; 4. a second threaded joint; 5. a connecting ring I; 6. a connecting ring II; 7. a first thread; 8. a second thread; 9. a first connecting mechanism; 10. a second connecting mechanism; 11. a first sleeve; 12. a threaded socket; 13. a first accommodating groove; 14. a first clamping groove; 15. a second sleeve; 16. a threaded insert ring; 17. an adaptor ring; 18. an internal thread; 19. an outer bi-directional thread; 20. a seal ring; 21. internal bidirectional threads; 22. a second accommodating groove; 23. a second clamping groove; 24. a sealing mechanism; 25. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1, 2 and 3, the present invention comprises a first composite tubular column 1 and a second composite tubular column 2, wherein the first composite tubular column 1 and the second composite tubular column 2 are made of carbon fiber composite material, a first threaded joint 3 is disposed at one end of the first composite tubular column 1, a second threaded joint 4 is disposed at one end of the second composite tubular column 2, and is close to the first threaded joint 3, and the first threaded joint 3 and the second threaded joint 4 are designed to effectively facilitate the connection between the first composite tubular column 1 and the second composite tubular column 2 at a later stage, a first connection ring 5 is connected to the outside of the second threaded joint 4, a second connection ring 6 is connected to the outside of the first threaded joint 3, and the first composite tubular column 1 and the second composite tubular column 2 are effectively prevented from being separated by the first connection ring 5 and the second connection ring 6, a second external connection mechanism 10 of the first connection ring 5 is provided, and a first connection mechanism 9 is provided on the outside of the second connection ring 6, the connecting mechanism II 10 is connected with the connecting mechanism I9 through the sealing mechanism 24, and through the design of the connecting mechanism I9, the connecting mechanism II 10 and the sealing mechanism 24, the connection tightness of the composite pipe column I1 and the composite pipe column II 2 is effectively improved, and the connection of the composite pipe column I1 and the composite pipe column II 2 is realized.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1, 2 and 3, the inner wall of the connecting ring I5 is provided with a first thread 7 engaged with the second threaded joint 4, the inner wall of the connecting ring II 6 is provided with a second thread 8 engaged with the first threaded joint 3, and the first thread 7 and the second thread 8 are designed to facilitate the later butt joint of the first composite pipe column 1 and the second composite pipe column 2.

Embodiment two, on the basis of embodiment one, given by fig. 1, fig. 2 and fig. 3, linking mechanism one 9 includes sleeve one 11, thread slot 12, holding tank one 13 and draw-in groove one 14 and external screw thread 25, the outside of go-between two 6 is located to sleeve one 11 cover, thread slot 12 has been seted up to the one end of sleeve one 11, draw-in groove one 14 has been seted up to the intermediate position of sleeve one 11, draw-in groove one 14's one side is equipped with the holding tank one 13 of locating go-between two 6 outsides of cover, the outer wall of sleeve one 11 is equipped with external screw thread 25, thereby realize fixing go-between two 6, and then provide convenience to the fixed of compound tube column body one 1 in the later stage.

Fourth embodiment, based on the third embodiment, as shown in fig. 1, 2 and 3, the second engaging mechanism 10 includes a second sleeve 15, a second threaded insert ring 16, a second engaging ring 17, an internal thread 18, an external two-way thread 19, a second receiving groove 22 and a second engaging groove 23, the second sleeve 15 is sleeved outside the first engaging ring 5, the second engaging groove 23 is formed in the middle of the second sleeve 15, the second receiving groove 22 sleeved outside the first engaging ring 5 is formed in one side of the second engaging groove 23, the engaging ring 17 is fixedly mounted on the outer wall of the second sleeve 15, the internal thread 18 engaged with the external thread 25 is formed in the inner wall of the engaging ring 17, the threaded insert ring 16 threadedly connected with the threaded insert groove 12 is formed at one end of the second sleeve 15 close to the first sleeve 11, the external two-way thread 19 is formed in the middle of the outer wall of the engaging ring 17, so as to fix the first engaging ring 5, and further facilitate the later fixing of the second, and meanwhile, the butt joint of the first composite pipe column body 1 and the second composite pipe column body 2 is realized.

In the fifth embodiment, based on the fourth embodiment, as shown in fig. 1, 2 and 3, the sealing mechanism 24 includes a sealing ring 20 and an inner two-way thread 21, the sealing ring 20 is sleeved outside the connection ring 17, and the inner wall of the sealing ring 20 is provided with the inner two-way thread 21 connected with the outer two-way thread 19, so that the first sleeve 11 and the second sleeve 15 are connected in a sealing manner, and the first composite pipe column 1 and the second composite pipe column 2 are in tight butt joint.

Sixth embodiment, on the basis of fourth embodiment, as shown in fig. 1, 2, and 3, the cross sections of the first clamping groove 14 and the second clamping groove 23 are both in an isosceles trapezoid structure, and the inner diameters of the first clamping groove 14 and the second clamping groove 23, which are close to the end of the screw insertion ring 16, are larger than the inner diameter of the end of the screw insertion ring 16, so that the limiting effect on the first connecting ring 5 and the second connecting ring 6 can be realized through the isosceles trapezoid structure design of the first clamping groove 14 and the second clamping groove 23, and then the first connecting ring 5 and the second connecting ring 6 are respectively fixed in the second sleeve 15 and the first sleeve 11, and further the separation of the first composite tubular column body 1 and the second composite tubular column body 2 can be avoided.

Seventh embodiment, based on the second embodiment, as shown in fig. 1, 2 and 3, the directions of the threads of the first threaded joint 3 and the second threaded joint 4 are opposite, and the directions of the threads of the first thread 7 and the second thread 8 are opposite, and by the design of the first threaded joint 3, the second threaded joint 4, the second thread 8 and the first thread 7, the connection of the first threaded joint 3 and the second connection ring 6 is facilitated, and the connection of the second threaded joint 4 and the first connection ring 5 is facilitated, so that conditions are provided for the connection of the first composite pipe column 1 and the second composite pipe column 2.

The working principle is as follows: when the device works, a worker penetrates one end of a first composite pipe column body 1 through a first accommodating groove 13 and a first clamping groove 14 and extends to the outside of a first sleeve 11, penetrates one end of a second composite pipe column body 2 through a second accommodating groove 22 and a second clamping groove 23 and extends to the outside of a second sleeve 15, then a second connecting ring 6 is connected to the outside of a first threaded joint 3, a first connecting ring 5 is connected to the outside of a second threaded joint 4, the first connecting ring 5 is located in the second accommodating groove 22, and the second connecting ring 6 is located in the first accommodating groove 13, due to the inner diameter design of the first clamping groove 14 and the second clamping groove 23, clamping of the second connecting ring 6 and the first connecting ring 5 is effectively achieved, then the worker aligns and rotates the second sleeve 15 and the first sleeve 11, inserts the threaded insert ring 16 into the threaded slot 12, threaded connection of the threaded insert ring 16 and the threaded slot 12 is achieved, and meanwhile, an inner thread 18 on the ring 17 is connected with an outer thread, and then realize the connection of sleeve two 15 and sleeve one 11, and accomplish the butt joint of compound pipe cylinder one 1 and compound pipe cylinder two 2, cup joint sealing ring 20 in the outside of linking ring 17 next, make the interior two-way screw thread 21 and the outer two-way screw thread 19 of sealing ring 20 inner wall be connected, because the two-way design of interior two-way screw thread 21 and outer two-way screw thread 19, can effectually avoid breaking away from of sealing ring 20 and linking ring 17, and then realize the sealed reinforcement of sleeve one 11 and sleeve two 15, the effectual butt joint stability that improves compound pipe cylinder one 1 and compound pipe cylinder two 2, and then avoid compound pipe cylinder one 1 and compound pipe cylinder two 2 to break away from.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

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. The utility model provides a combined material cast attach fitting, includes compound pipe cylinder one (1) and compound pipe cylinder two (2), its characterized in that: one end of the first composite pipe cylinder (1) is provided with a first threaded joint (3), one end of the second composite pipe cylinder (2) is provided with a second threaded joint (4) close to the first threaded joint (3), the outside of the second threaded joint (4) is connected with a first connecting ring (5), the outside of the first threaded joint (3) is connected with a second connecting ring (6), the outside of the first connecting ring (5) is sleeved with a second connecting mechanism (10), the outside of the second connecting ring (6) is sleeved with a first connecting mechanism (9), and the second connecting mechanism (10) and the first connecting mechanism (9) are connected through a sealing mechanism (24).

2. The composite tube-type connecting joint according to claim 1, wherein: the inner wall of the connecting ring I (5) is provided with a thread I (7) which is meshed and connected with the thread joint II (4), and the inner wall of the connecting ring II (6) is provided with a thread II (8) which is meshed and connected with the thread joint I (3).

3. The composite tube-type connecting joint according to claim 1, wherein: the connecting mechanism I (9) comprises a sleeve I (11), a thread insertion groove (12), a containing groove I (13), a clamping groove I (14) and external threads (25), the sleeve I (11) is sleeved outside the connecting ring II (6), the thread insertion groove (12) is formed in one end of the sleeve I (11), the clamping groove I (14) is formed in the middle of the sleeve I (11), the containing groove I (13) sleeved outside the connecting ring II (6) is arranged on one side of the clamping groove I (14), and the external threads (25) are arranged on the outer wall of the sleeve I (11).

4. A composite tubular connection fitting according to claim 3, characterized in that: the second connecting mechanism (10) comprises a second sleeve (15), a threaded insert ring (16), a connecting ring (17), an internal thread (18), an external bidirectional thread (19), a second accommodating groove (22) and a second clamping groove (23), the second sleeve (15) is sleeved on the first connecting ring (5), the second clamping groove (23) is formed in the middle of the second sleeve (15), the second accommodating groove (22) sleeved on the first connecting ring (5) is arranged on one side of the second clamping groove (23), the connecting ring (17) is fixedly installed on the outer wall of the second sleeve (15), the internal thread (18) meshed and connected with the external thread (25) is arranged on the inner wall of the connecting ring (17), the threaded insert ring (16) in threaded connection with the threaded insert groove (12) is arranged at one end, close to the first sleeve (11), of the second sleeve (15), and the external bidirectional thread (19) is arranged at the middle of the outer wall of the connecting ring (.

5. The composite tube type connection joint according to claim 4, wherein: the sealing mechanism (24) comprises a sealing ring (20) and an inner two-way thread (21), the sealing ring (20) is sleeved outside the connecting ring (17), and the inner wall of the sealing ring (20) is provided with the inner two-way thread (21) connected with the outer two-way thread (19).

6. The composite tube type connection joint according to claim 4, wherein: the cross sections of the first clamping groove (14) and the second clamping groove (23) are of isosceles trapezoid structures, and the inner diameter of one end, close to the threaded insert ring (16), of each of the first clamping groove (14) and the second clamping groove (23) is larger than the inner diameter of one end, far away from the threaded insert ring (16).

7. The composite tube-type connecting joint according to claim 2, wherein: the thread directions of the first thread joint (3) and the second thread joint (4) are opposite, and the thread directions of the first thread (7) and the second thread (8) are opposite.