CN210509071U - Full sleeve quick connecting structure - Google Patents
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- CN210509071U CN210509071U CN201921178167.1U CN201921178167U CN210509071U CN 210509071 U CN210509071 U CN 210509071U CN 201921178167 U CN201921178167 U CN 201921178167U CN 210509071 U CN210509071 U CN 210509071U
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Abstract
The utility model discloses a full-casing quick connection structure, which belongs to the technical field of full-casing bored piles, wherein the circumferential inner wall of the lower casing of the upper casing can be matched with the circumferential outer wall of the upper casing of the lower casing, the square through hole of the upper casing corresponds to the thread through hole of the lower casing, and the second pin through hole of the upper casing corresponds to the first pin through hole of the lower casing one by one; the locking device comprises a steel belt, a plurality of pin columns are fixed on the steel belt, and the steel belt passes through the circumferential wall of the lower head pipe surrounding the upper sleeve in a circle, so that the pin columns are sequentially inserted into the second pin through holes of the upper sleeve and the first pin through holes of the lower sleeve which are in one-to-one correspondence; two ends of the steel belt are provided with holes, and when the two ends of the steel belt are overlapped at the square through hole, the holes at the two ends correspond to the threaded through hole; the bolt sequentially penetrates through the two holes and is screwed on the threaded through hole to fix the steel belt. The utility model discloses a full sleeve pipe quick connect structure, but two sleeve pipes of high-speed joint reduce the use of screw thread, avoid wearing and tearing, improve full sleeve pipe life.
Description
Technical Field
The utility model belongs to the technical field of full sleeve pipe drilling bored concrete pile, specifically speaking relate to full sleeve pipe quick connect structure.
Background
The traditional drilling process mainly comprises the forward and reverse circulation hole forming of a rotary drilling machine and the slurry wall protection, along with the improvement of time benefit, economic benefit, engineering quality, environmental protection and other requirements of owners of large-scale development projects, the traditional process has more and more exposed defects, and particularly, the traditional process introduces a high-concentration and high-density slurry medium, so that the common quality problem that the bearing capacity is reduced after sediment and mud skin at the bottom of a hole pass is particularly prominent. The rotary-digging type full-casing cast-in-situ bored pile is developed along with the deepening of theoretical research, the experience accumulation of practical engineering and the development of construction technology aiming at special stratums, and particularly aims at cities mainly taking mucky soil as the main stratums in south China, the process has the advantages of unique appearance, good pile forming quality, high bearing capacity and high work efficiency.
But in the formula full sleeve pipe drilling bored concrete pile work progress is dug soon, need connect a plurality of sleeves from top to bottom, generally adopt a plurality of bolt cooperation bolt hole to fasten upper and lower sleeve pipe, because the bolt is numerous, reduced the efficiency of construction, the frequent screw in of bolt is back-out in adverse circumstances simultaneously, makes the screw thread damage serious, has reduced sheathed tube life, and the cooperation of bolt and screw thread blocks easily in dirty environment in addition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned weak point provides full sleeve pipe quick connect structure, and the present full bushing inefficiency of proposing to solve, short life scheduling problem. In order to achieve the above object, the utility model provides a following technical scheme:
the full-sleeve quick connection structure comprises two sleeves and a locking device 2 which are connected up and down; the sleeve comprises an upper head pipe 3, a middle pipe 4 and a lower head pipe 5 which are sequentially connected from top to bottom; a threaded through hole 31 and a plurality of first pin through holes 32 are uniformly formed in one circumferential wall of the upper head pipe 3; a square through hole 51 and a plurality of second pin through holes 52 are uniformly formed in one circumferential wall of the lower head pipe 5; the circumferential inner wall of the lower head pipe 5 of the upper sleeve can be matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the square through hole 51 of the upper sleeve corresponds to the thread through hole 31 of the lower sleeve, and the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one; the locking device 2 comprises a steel belt 21, a bolt 22 and a plurality of pins 23; a plurality of pins 23 are fixed on the steel belt 21, and the steel belt 21 is wound around the circumferential wall of the lower head pipe 5 of the upper sleeve in a circle, so that the pins 23 are sequentially inserted into the corresponding second pin through holes 52 of the upper sleeve and the corresponding first pin through holes 32 of the lower sleeve; two ends of the steel belt 21 are provided with belt holes 24, and when the two ends of the steel belt 21 are overlapped at the square through hole 51, the belt holes 24 at the two ends correspond to the threaded through hole 31; the bolt 22 passes through two holes 24 in sequence and is screwed on the threaded through hole 31 to fix the steel belt 21. According to the structure, when the upper sleeve and the lower sleeve are connected, the upper sleeve is hoisted, the lower head pipe 5 of the upper sleeve is sleeved on the upper head pipe 3 of the lower sleeve, the position is adjusted, the square through hole 51 of the upper sleeve corresponds to the threaded through hole 31 of the lower sleeve, the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one, namely, the number of the second pin through holes 52 is the same as that of the first pin through holes 32; the steel belt 21 passes through the circumferential wall of the lower head pipe 5 surrounding the upper sleeve for one circle, and the pin columns 23 are sequentially inserted into the second pin through holes 52 of the upper sleeve and the first pin through holes 32 of the lower sleeve which are in one-to-one correspondence, so that the upper sleeve and the lower sleeve are fixed; however, the pin 23 may come out of the hole, so when the two movable ends of the steel band 21 are overlapped at the square through hole 51, the two holes 24 at the two ends are corresponding to the threaded through hole 31, the bolt 22 sequentially passes through the two holes 24 and is screwed on the threaded through hole 31 to fix the steel band 21, when the steel band 21 is fixed, the pin 23 cannot come out of the hole, and the upper sleeve and the lower sleeve are completely fixed; the use of a plurality of pins 23 reduces the use of bolts and threads, and avoids the problem that the service life of the sleeve is influenced due to the damage of the threads caused by frequent screwing-in and unscrewing of the bolts; and the pin column 23 only needs to be simply buckled in the hole, so that the bolt is prevented from being screwed or loosened during connection and disassembly at each time, and the construction efficiency is improved.
Further, the outer diameter of the upper head pipe 3 is smaller than that of the middle pipe 4, and a limit edge 41 is formed at the joint of the upper head pipe 3 and the middle pipe 4; when the circumferential inner wall of the lower head pipe 5 of the upper sleeve is matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the limiting edge 41 of the lower sleeve limits the lower end of the lower head pipe 5 of the upper sleeve. According to the structure, the lower end of the lower head pipe 5 of the upper sleeve is limited by the limiting edge 41 of the lower sleeve, so that the upper sleeve and the lower sleeve can be aligned vertically and quickly.
Further, two guide posts 33 are arranged on the circumferential outer wall of the upper head pipe 3, and the guide posts 33 contact the limiting edge 41; the lower end of the lower head pipe 5 is provided with two guide notches 53; when the circumferential inner wall of the lower head pipe 5 of the upper sleeve pipe is matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve pipe, the two guide notches 53 of the upper sleeve pipe are matched with the two guide columns 33 of the lower sleeve pipe, so that the square through hole 51 of the upper sleeve pipe is rapidly corresponding to the thread through hole 31 of the lower sleeve pipe, and the second pin through hole 52 of the upper sleeve pipe is rapidly corresponding to the first pin through hole 32 of the lower sleeve pipe one by one. According to the structure, the two guide notches 53 of the upper sleeve are matched with the two guide columns 33 of the lower sleeve, so that the upper sleeve and the lower sleeve can be quickly aligned to the circumferential alignment position.
Further, a plurality of blind holes 25 are formed in the steel belt 21; the blind holes 25 correspond to the pins 23 one by one, and the blind holes 25 extend into the pins 23; a pull column 26 capable of being pulled out is arranged in the blind hole 25; the top of the pull column 26 is provided with a pull ring 27; the bottom of the pull column 26 is provided with a limit ring 28 which can be matched with a limit stop 29 arranged in the blind hole 25 to limit the pull column 26 to be completely separated from the blind hole 25. By the structure, when the pin column 23 is clamped in the hole due to soil dirt, the pull ring 27 is hooked through the hook, the pin column 26 is pulled outwards, the limiting ring 28 moves outwards to abut against the limiting stopper 29, the pin column 23 is driven to be pulled out from the hole, and the problem that the pin column 23 is difficult to pull out is solved.
Further, the bottom of the pull column 26 is connected with the bottom of the blind hole 25 through a tension spring 6, and the tension spring 6 enables the pull column 26 to automatically retract into the blind hole 25 when not being pulled outwards. With the above structure, the tension spring 6 enables the pull column 26 to automatically retract into the blind hole 25, thereby preventing outward protrusion.
The utility model has the advantages that:
1. the utility model discloses a full-casing quick connection structure, wherein the circumferential inner wall of the lower head pipe of an upper casing pipe can be matched with the circumferential outer wall of the upper head pipe of a lower casing pipe, the square through hole of the upper casing pipe corresponds to the thread through hole of the lower casing pipe, and the second pin through hole of the upper casing pipe corresponds to the first pin through hole of the lower casing pipe one by one; the locking device comprises a steel belt, a plurality of pin columns are fixed on the steel belt, and the steel belt passes through the circumferential wall of the lower head pipe surrounding the upper sleeve in a circle, so that the pin columns are sequentially inserted into the second pin through holes of the upper sleeve and the first pin through holes of the lower sleeve which are in one-to-one correspondence; two ends of the steel belt are provided with holes, and when the two ends of the steel belt are overlapped at the square through hole, the holes at the two ends correspond to the threaded through hole; the bolt sequentially penetrates through the two holes and is screwed on the threaded through hole to fix the steel belt. The utility model discloses a full sleeve pipe quick connect structure, but two sleeve pipes of high-speed joint reduce the use of screw thread, avoid wearing and tearing, improve full sleeve pipe life.
Drawings
Fig. 1 is a schematic view of the overall structure of the casing of the present invention;
fig. 2 is a schematic top view of the locking device of the present invention;
FIG. 3 is a schematic sectional top view of the upper and lower sleeves according to the present invention;
fig. 4 is a schematic cross-sectional view of the pin of the present invention;
FIG. 5 is a schematic view of the fitting portion of the upper and lower sleeves of the present invention;
in the drawings: 2-locking device, 21-steel belt, 22-bolt, 23-pin column, 24-hole, 25-blind hole, 26-pull column, 27-pull ring, 28-limit ring, 29-limit block, 3-upper head pipe, 31-thread through hole, 32-first pin through hole, 33-guide column, 4-middle pipe, 41-limit edge, 5-lower head pipe, 51-square through hole, 52-second pin through hole, 53-guide notch and 6-tension spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
The first embodiment is as follows:
see figures 1-5. The full-sleeve quick connection structure comprises two sleeves and a locking device 2 which are connected up and down; the sleeve comprises an upper head pipe 3, a middle pipe 4 and a lower head pipe 5 which are sequentially connected from top to bottom; a threaded through hole 31 and a plurality of first pin through holes 32 are uniformly formed in one circumferential wall of the upper head pipe 3; a square through hole 51 and a plurality of second pin through holes 52 are uniformly formed in one circumferential wall of the lower head pipe 5; the circumferential inner wall of the lower head pipe 5 of the upper sleeve can be matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the square through hole 51 of the upper sleeve corresponds to the thread through hole 31 of the lower sleeve, and the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one; the locking device 2 comprises a steel belt 21, a bolt 22 and a plurality of pins 23; a plurality of pins 23 are fixed on the steel belt 21, and the steel belt 21 is wound around the circumferential wall of the lower head pipe 5 of the upper sleeve in a circle, so that the pins 23 are sequentially inserted into the corresponding second pin through holes 52 of the upper sleeve and the corresponding first pin through holes 32 of the lower sleeve; two ends of the steel belt 21 are provided with belt holes 24, and when the two ends of the steel belt 21 are overlapped at the square through hole 51, the belt holes 24 at the two ends correspond to the threaded through hole 31; the bolt 22 passes through two holes 24 in sequence and is screwed on the threaded through hole 31 to fix the steel belt 21. According to the structure, when the upper sleeve and the lower sleeve are connected, the upper sleeve is hoisted, the lower head pipe 5 of the upper sleeve is sleeved on the upper head pipe 3 of the lower sleeve, the position is adjusted, the square through hole 51 of the upper sleeve corresponds to the threaded through hole 31 of the lower sleeve, the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one, namely, the number of the second pin through holes 52 is the same as that of the first pin through holes 32; the steel belt 21 passes through the circumferential wall of the lower head pipe 5 surrounding the upper sleeve for one circle, and the pin columns 23 are sequentially inserted into the second pin through holes 52 of the upper sleeve and the first pin through holes 32 of the lower sleeve which are in one-to-one correspondence, so that the upper sleeve and the lower sleeve are fixed; however, the pin 23 may come out of the hole, so when the two movable ends of the steel band 21 are overlapped at the square through hole 51, the two holes 24 at the two ends are corresponding to the threaded through hole 31, the bolt 22 sequentially passes through the two holes 24 and is screwed on the threaded through hole 31 to fix the steel band 21, when the steel band 21 is fixed, the pin 23 cannot come out of the hole, and the upper sleeve and the lower sleeve are completely fixed; the use of a plurality of pins 23 reduces the use of bolts and threads, and avoids the problem that the service life of the sleeve is influenced due to the damage of the threads caused by frequent screwing-in and unscrewing of the bolts; and the pin column 23 only needs to be simply buckled in the hole, so that the bolt is prevented from being screwed or loosened during connection and disassembly at each time, and the construction efficiency is improved.
Example two:
see figures 1-5. The full-sleeve quick connection structure comprises two sleeves and a locking device 2 which are connected up and down; the sleeve comprises an upper head pipe 3, a middle pipe 4 and a lower head pipe 5 which are sequentially connected from top to bottom; a threaded through hole 31 and a plurality of first pin through holes 32 are uniformly formed in one circumferential wall of the upper head pipe 3; a square through hole 51 and a plurality of second pin through holes 52 are uniformly formed in one circumferential wall of the lower head pipe 5; the circumferential inner wall of the lower head pipe 5 of the upper sleeve can be matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the square through hole 51 of the upper sleeve corresponds to the thread through hole 31 of the lower sleeve, and the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one; the locking device 2 comprises a steel belt 21, a bolt 22 and a plurality of pins 23; a plurality of pins 23 are fixed on the steel belt 21, and the steel belt 21 is wound around the circumferential wall of the lower head pipe 5 of the upper sleeve in a circle, so that the pins 23 are sequentially inserted into the corresponding second pin through holes 52 of the upper sleeve and the corresponding first pin through holes 32 of the lower sleeve; two ends of the steel belt 21 are provided with belt holes 24, and when the two ends of the steel belt 21 are overlapped at the square through hole 51, the belt holes 24 at the two ends correspond to the threaded through hole 31; the bolt 22 passes through two holes 24 in sequence and is screwed on the threaded through hole 31 to fix the steel belt 21. According to the structure, when the upper sleeve and the lower sleeve are connected, the upper sleeve is hoisted, the lower head pipe 5 of the upper sleeve is sleeved on the upper head pipe 3 of the lower sleeve, the position is adjusted, the square through hole 51 of the upper sleeve corresponds to the threaded through hole 31 of the lower sleeve, the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one, namely, the number of the second pin through holes 52 is the same as that of the first pin through holes 32; the steel belt 21 passes through the circumferential wall of the lower head pipe 5 surrounding the upper sleeve for one circle, and the pin columns 23 are sequentially inserted into the second pin through holes 52 of the upper sleeve and the first pin through holes 32 of the lower sleeve which are in one-to-one correspondence, so that the upper sleeve and the lower sleeve are fixed; however, the pin 23 may come out of the hole, so when the two movable ends of the steel band 21 are overlapped at the square through hole 51, the two holes 24 at the two ends are corresponding to the threaded through hole 31, the bolt 22 sequentially passes through the two holes 24 and is screwed on the threaded through hole 31 to fix the steel band 21, when the steel band 21 is fixed, the pin 23 cannot come out of the hole, and the upper sleeve and the lower sleeve are completely fixed; the use of a plurality of pins 23 reduces the use of bolts and threads, and avoids the problem that the service life of the sleeve is influenced due to the damage of the threads caused by frequent screwing-in and unscrewing of the bolts; and the pin column 23 only needs to be simply buckled in the hole, so that the bolt is prevented from being screwed or loosened during connection and disassembly at each time, and the construction efficiency is improved.
The outer diameter of the upper head pipe 3 is smaller than that of the middle pipe 4, and a limit edge 41 is formed at the joint of the upper head pipe 3 and the middle pipe 4; when the circumferential inner wall of the lower head pipe 5 of the upper sleeve is matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the limiting edge 41 of the lower sleeve limits the lower end of the lower head pipe 5 of the upper sleeve. According to the structure, the lower end of the lower head pipe 5 of the upper sleeve is limited by the limiting edge 41 of the lower sleeve, so that the upper sleeve and the lower sleeve can be aligned vertically and quickly.
Example three:
see figures 1-5. The full-sleeve quick connection structure comprises two sleeves and a locking device 2 which are connected up and down; the sleeve comprises an upper head pipe 3, a middle pipe 4 and a lower head pipe 5 which are sequentially connected from top to bottom; a threaded through hole 31 and a plurality of first pin through holes 32 are uniformly formed in one circumferential wall of the upper head pipe 3; a square through hole 51 and a plurality of second pin through holes 52 are uniformly formed in one circumferential wall of the lower head pipe 5; the circumferential inner wall of the lower head pipe 5 of the upper sleeve can be matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the square through hole 51 of the upper sleeve corresponds to the thread through hole 31 of the lower sleeve, and the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one; the locking device 2 comprises a steel belt 21, a bolt 22 and a plurality of pins 23; a plurality of pins 23 are fixed on the steel belt 21, and the steel belt 21 is wound around the circumferential wall of the lower head pipe 5 of the upper sleeve in a circle, so that the pins 23 are sequentially inserted into the corresponding second pin through holes 52 of the upper sleeve and the corresponding first pin through holes 32 of the lower sleeve; two ends of the steel belt 21 are provided with belt holes 24, and when the two ends of the steel belt 21 are overlapped at the square through hole 51, the belt holes 24 at the two ends correspond to the threaded through hole 31; the bolt 22 passes through two holes 24 in sequence and is screwed on the threaded through hole 31 to fix the steel belt 21. According to the structure, when the upper sleeve and the lower sleeve are connected, the upper sleeve is hoisted, the lower head pipe 5 of the upper sleeve is sleeved on the upper head pipe 3 of the lower sleeve, the position is adjusted, the square through hole 51 of the upper sleeve corresponds to the threaded through hole 31 of the lower sleeve, the second pin through holes 52 of the upper sleeve correspond to the first pin through holes 32 of the lower sleeve one by one, namely, the number of the second pin through holes 52 is the same as that of the first pin through holes 32; the steel belt 21 passes through the circumferential wall of the lower head pipe 5 surrounding the upper sleeve for one circle, and the pin columns 23 are sequentially inserted into the second pin through holes 52 of the upper sleeve and the first pin through holes 32 of the lower sleeve which are in one-to-one correspondence, so that the upper sleeve and the lower sleeve are fixed; however, the pin 23 may come out of the hole, so when the two movable ends of the steel band 21 are overlapped at the square through hole 51, the two holes 24 at the two ends are corresponding to the threaded through hole 31, the bolt 22 sequentially passes through the two holes 24 and is screwed on the threaded through hole 31 to fix the steel band 21, when the steel band 21 is fixed, the pin 23 cannot come out of the hole, and the upper sleeve and the lower sleeve are completely fixed; the use of a plurality of pins 23 reduces the use of bolts and threads, and avoids the problem that the service life of the sleeve is influenced due to the damage of the threads caused by frequent screwing-in and unscrewing of the bolts; and the pin column 23 only needs to be simply buckled in the hole, so that the bolt is prevented from being screwed or loosened during connection and disassembly at each time, and the construction efficiency is improved.
The outer diameter of the upper head pipe 3 is smaller than that of the middle pipe 4, and a limit edge 41 is formed at the joint of the upper head pipe 3 and the middle pipe 4; when the circumferential inner wall of the lower head pipe 5 of the upper sleeve is matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve, the limiting edge 41 of the lower sleeve limits the lower end of the lower head pipe 5 of the upper sleeve. According to the structure, the lower end of the lower head pipe 5 of the upper sleeve is limited by the limiting edge 41 of the lower sleeve, so that the upper sleeve and the lower sleeve can be aligned vertically and quickly.
Two guide posts 33 are arranged on the circumferential outer wall of the upper head pipe 3, and the guide posts 33 are in contact with the limiting edge 41; the lower end of the lower head pipe 5 is provided with two guide notches 53; when the circumferential inner wall of the lower head pipe 5 of the upper sleeve pipe is matched with the circumferential outer wall of the upper head pipe 3 of the lower sleeve pipe, the two guide notches 53 of the upper sleeve pipe are matched with the two guide columns 33 of the lower sleeve pipe, so that the square through hole 51 of the upper sleeve pipe is rapidly corresponding to the thread through hole 31 of the lower sleeve pipe, and the second pin through hole 52 of the upper sleeve pipe is rapidly corresponding to the first pin through hole 32 of the lower sleeve pipe one by one. According to the structure, the two guide notches 53 of the upper sleeve are matched with the two guide columns 33 of the lower sleeve, so that the upper sleeve and the lower sleeve can be quickly aligned to the circumferential alignment position.
The steel belt 21 is provided with a plurality of blind holes 25; the blind holes 25 correspond to the pins 23 one by one, and the blind holes 25 extend into the pins 23; a pull column 26 capable of being pulled out is arranged in the blind hole 25; the top of the pull column 26 is provided with a pull ring 27; the bottom of the pull column 26 is provided with a limit ring 28 which can be matched with a limit stop 29 arranged in the blind hole 25 to limit the pull column 26 to be completely separated from the blind hole 25. By the structure, when the pin column 23 is clamped in the hole due to soil dirt, the pull ring 27 is hooked through the hook, the pin column 26 is pulled outwards, the limiting ring 28 moves outwards to abut against the limiting stopper 29, the pin column 23 is driven to be pulled out from the hole, and the problem that the pin column 23 is difficult to pull out is solved.
The bottom of the pull column 26 is connected with the bottom of the blind hole 25 through a tension spring 6, and the tension spring 6 enables the pull column 26 to automatically retract into the blind hole 25 when not being pulled outwards. With the above structure, the tension spring 6 enables the pull column 26 to automatically retract into the blind hole 25, thereby preventing outward protrusion.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (5)
1. Full sleeve pipe quick connect structure, its characterized in that: comprises two sleeves and a locking device (2) which are connected up and down; the sleeve comprises an upper head pipe (3), a middle pipe (4) and a lower head pipe (5) which are sequentially connected from top to bottom; a threaded through hole (31) and a plurality of first pin through holes (32) are uniformly formed in one circle of circumferential wall of the upper head pipe (3); a circle of circumferential wall of the lower head pipe (5) is uniformly provided with a square through hole (51) and a plurality of second pin through holes (52); the circumferential inner wall of the lower head pipe (5) of the upper sleeve can be matched with the circumferential outer wall of the upper head pipe (3) of the lower sleeve, the square through hole (51) of the upper sleeve corresponds to the threaded through hole (31) of the lower sleeve, and the second pin through holes (52) of the upper sleeve correspond to the first pin through holes (32) of the lower sleeve one by one; the locking device (2) comprises a steel belt (21), a bolt (22) and a plurality of pins (23); a plurality of pins (23) are fixed on the steel belt (21), and the steel belt (21) is circumferentially surrounded by the lower head pipe (5) of the upper sleeve in a circle, so that the pins (23) are sequentially inserted into the second pin through holes (52) of the upper sleeve and the first pin through holes (32) of the lower sleeve which are in one-to-one correspondence; two ends of the steel belt (21) are provided with belt holes (24), and when the two ends of the steel belt (21) are overlapped at the square through hole (51), the belt holes (24) at the two ends correspond to the threaded through hole (31); the bolt (22) sequentially penetrates through the two hole holes (24) and is screwed on the threaded through hole (31) to fix the steel belt (21).
2. The full cannula quick connect structure of claim 1, wherein: the outer diameter of the upper head pipe (3) is smaller than that of the middle pipe (4), and a limit edge (41) is formed at the joint of the upper head pipe (3) and the middle pipe (4); when the circumferential inner wall of the lower head pipe (5) of the upper sleeve is matched with the circumferential outer wall of the upper head pipe (3) of the lower sleeve, the lower limiting edge (41) of the lower sleeve limits the lower end of the lower head pipe (5) of the upper sleeve.
3. The full cannula quick connect structure of claim 2, wherein: two guide columns (33) are arranged on the circumferential outer wall of the upper head pipe (3), and the guide columns (33) are in contact with the limiting edge (41); the lower end of the lower head pipe (5) is provided with two guide notches (53); when the circumferential inner wall of the lower head pipe (5) of the upper sleeve pipe is matched with the circumferential outer wall of the upper head pipe (3) of the lower sleeve pipe, the two guide notches (53) of the upper sleeve pipe are matched with the two guide columns (33) of the lower sleeve pipe to enable the square through hole (51) of the upper sleeve pipe to rapidly correspond to the threaded through hole (31) of the lower sleeve pipe, and the second pin through hole (52) of the upper sleeve pipe and the first pin through hole (32) of the lower sleeve pipe to rapidly correspond one to one.
4. The full bushing quick connect structure of any one of claims 1 to 3, wherein: the steel belt (21) is provided with a plurality of blind holes (25); the blind holes (25) correspond to the pin columns (23) one by one, and the blind holes (25) extend into the pin columns (23); a pull-out column (26) capable of being pulled out is arranged in the blind hole (25); a pull ring (27) is arranged at the top of the pull column (26); the bottom of the pull column (26) is provided with a limiting ring (28) which can be matched with a limiting stopper (29) arranged in the blind hole (25) to limit the pull column (26) to be completely separated from the blind hole (25).
5. The full cannula quick connect structure of claim 4, wherein: draw post (26) bottom and blind hole (25) bottom to be connected through extension spring (6), extension spring (6) make draw post (26) when not receiving outside pulling force, can retract in blind hole (25) automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178167.1U CN210509071U (en) | 2019-07-25 | 2019-07-25 | Full sleeve quick connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178167.1U CN210509071U (en) | 2019-07-25 | 2019-07-25 | Full sleeve quick connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509071U true CN210509071U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921178167.1U Active CN210509071U (en) | 2019-07-25 | 2019-07-25 | Full sleeve quick connecting structure |
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| Country | Link |
|---|---|
| CN (1) | CN210509071U (en) |
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2019
- 2019-07-25 CN CN201921178167.1U patent/CN210509071U/en active Active
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