CN110454626B - Fixing device and flexible corrugated pipe - Google Patents
Fixing device and flexible corrugated pipe Download PDFInfo
- Publication number
- CN110454626B CN110454626B CN201910736866.1A CN201910736866A CN110454626B CN 110454626 B CN110454626 B CN 110454626B CN 201910736866 A CN201910736866 A CN 201910736866A CN 110454626 B CN110454626 B CN 110454626B
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- sleeve
- fixing
- steel wire
- hole
- outer ball
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/118—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having arrangements for particular purposes, e.g. electrically conducting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/26—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a fixing device and a flexible corrugated pipe. The fixing device and the flexible corrugated pipe comprise: the steel wire rings are arranged in a plurality of numbers, are annular and are of an unsealed annular structure with two annular ends not connected, one of the head end and the tail end of each steel wire ring is provided with a second groove, and the other end of each steel wire ring is provided with a third through hole; the fixing device and the flexible corrugated pipe provided by the invention have the advantages that the inner side wall of the corrugated pipe is effectively fixed, the corrugated pipe is prevented from being pressed to deform, and meanwhile, the corrugated pipe is convenient to fixedly install in a multi-angle manner.
Description
Technical Field
The invention relates to the technical field of corrugated pipes, in particular to a fixing device and a flexible corrugated pipe.
Background
The plastic flexible corrugated pipe has elasticity and good bending property, is widely applied to industries such as petrifaction, instruments, aerospace, chemical engineering, electric power, cement, metallurgy and the like, and has irreplaceable functions in the fields of medium transmission, electric power threading, machine tools, household appliances and the like.
The corrugated pipe is superior in flexibility, and needs to be fixed by adding other structures after installation, in the prior art, the corrugated pipe is fixed in a mode of being drawn by iron wires and supported by supporting rods, the method is troublesome in process and not attractive, the corrugated pipe can be in a non-directional bending state according to use requirements in the use process, the corrugated pipe needs to be fixed in multiple positions, and difficulty is increased for later-stage disassembly; on the other hand, the plastic flexible corrugated pipe has poor compression resistance and is easy to deform under the action of external force, which is not beneficial to the transmission of media.
Therefore, there is a need to provide a new fixing device and a flexible bellows to solve the above-mentioned problems.
Disclosure of Invention
The invention solves the technical problem of providing a fixing device and a flexible corrugated pipe, which can effectively fix the inner side wall of the corrugated pipe, prevent the corrugated pipe from being pressed and deformed and facilitate the multi-angle fixed installation of the corrugated pipe.
In order to solve the above technical problem, the fixing device provided by the present invention comprises: the steel wire rings are arranged in a plurality of numbers, are annular and are of an unsealed annular structure with two annular ends not connected, one of the head end and the tail end of each steel wire ring is provided with a second groove, and the other end of each steel wire ring is provided with a third through hole; the fixing mechanism is connected with the steel wire ring and provided with a plurality of fixing mechanisms, each fixing mechanism comprises an outer ball sleeve, an inner ball, a first sleeve, a second sleeve, a sliding mechanism and a connecting pipe, the first sleeve is sleeved at one end of the steel wire ring, the second sleeve is sleeved at the other end of the steel wire ring, the first sleeve and the second sleeve are fixedly connected to two sides of the connecting pipe in a parallel mode, the top end of the connecting pipe is connected with the outer ball sleeve, the bottom end of the connecting pipe is connected with the inner ball, the inner ball is embedded into an inner cavity of the adjacent outer ball sleeve, the inner ball is rotatably connected with the adjacent outer ball sleeve, the sliding mechanism penetrates through the first sleeve, and one end of the sliding mechanism is connected with the outer ball sleeve.
Preferably, the sliding mechanism comprises a sliding rail, a limiting block, a string, a fixing ring and a fixing rod, the sliding rail penetrates through the side wall of the first sleeve, the sliding rail and the joint of the first sleeve form a first groove corresponding to the second groove, one end of the sliding rail is connected to the outer ball sleeve, second through holes are formed in the top and the bottom of the sliding rail, the fixing rod is arranged in the inner cavity of the sliding rail, the fixing rod is connected between the sliding rail in a sliding mode, the side wall of the fixing rod is provided with the limiting block, the side wall of the limiting block is fixed with the string, the string penetrates through the second through hole in the top end of the sliding rail, the string penetrates through the fixing ring connected to the inner side wall of the outer ball sleeve, one end of the fixing ring is open, the bottom end of the fixing rod is connected with the string, the string penetrates through the second through hole in the bottom end of the sliding rail and is adjacent to the limiting block And (4) connecting.
Preferably, the diameter of the second through hole at the top end of the slide rail is larger than the diameter of the fixed rod and smaller than the width of the limiting block, and the diameter of the second through hole at the bottom end of the slide rail is smaller than the diameter of the fixed rod.
Preferably, one end of the second sleeve is annularly provided with a first through hole corresponding to the third through hole, and a clamping column penetrates through the third through hole and the first through hole.
Preferably, the outer ball sleeve and the slide rail are of detachable structures, the outer ball sleeve and the slide rail are equally divided into two parts, and the two parts are connected through a buckle.
Preferably, the wire loop is of an elastic structure.
Preferably, the outer ball sleeve is of a three-quarter sphere structure with a hollow interior, and the inner ball is of a reticular sphere structure with a hollow interior.
A flexible corrugated pipe comprises the fixing device.
Compared with the related art, the fixing device and the flexible corrugated pipe provided by the invention have the following beneficial effects:
the invention provides a fixing device and a flexible corrugated pipe, wherein the flexible corrugated pipe is provided with an elastic steel wire ring, the steel wire ring is convenient to be placed into the flexible corrugated pipe when being contracted, the steel wire ring is expanded when being restored, the diameter of the steel wire ring is enlarged and is tightly attached to the inner side wall of the flexible corrugated pipe, the flexible corrugated pipe is supported, a fixing mechanism is arranged, an inner ball rotates in an outer ball sleeve, the angle between the adjacent fixing mechanisms is correspondingly changed along with the bending of the flexible corrugated pipe, a fixing rod can firstly fix the compressed steel wire ring, pulls a string, moves upwards to remove the fixing of the steel wire ring, continues to move upwards to enable the fixing rod to be inserted into meshes on the inner ball, and ensures that the inner ball cannot rotate in the inner cavity of the outer ball sleeve, the fixing mechanisms form a whole to prevent the steel wire ring and the flexible corrugated pipe from displacing, so that the flexible corrugated pipe is fixed under a free bending angle, the steel wire ring and the fixing mechanisms are fixed with each other, the steel wire ring ensures that the fixing mechanisms are tightly attached to the inner side wall of the flexible corrugated pipe, the flexible corrugated pipe is convenient to fix, and the fixing mechanisms realize the extension and contraction of the steel wire ring and limit the steel wire ring in the flexible corrugated pipe.
Drawings
FIG. 1 is a schematic structural diagram of a fixing device and a flexible bellows according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the attachment mechanism shown in FIG. 1 to a wire loop;
FIG. 3 is a schematic view of the securing mechanism shown in FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is a cross-sectional view of the securing mechanism shown in FIG. 3;
FIG. 6 is an enlarged view of the portion B shown in FIG. 3;
FIG. 7 is an enlarged view of section C of FIG. 4;
fig. 8 is a schematic view of the portion D shown in fig. 5.
Reference numbers in the figures: 1. the flexible corrugated pipe comprises a flexible corrugated pipe body, 2, a fixing mechanism, 21, an outer ball sleeve, 22, an inner ball, 23, a first sleeve, 24, a second sleeve, 241, a clamping column, 242, a first through hole, 25, a sliding mechanism, 251, a sliding rail, 252, a limiting block, 253, a string, 254, a fixing ring, 255, a fixing rod, 25a, a second through hole, 25b, a first groove, 26, a connecting pipe, 3, a steel wire ring, 3a, a second groove, 3b and a third through hole.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a fixing device and a flexible bellows according to the present invention; FIG. 2 is a schematic view of the attachment mechanism shown in FIG. 1 to a wire loop; FIG. 3 is a schematic view of the securing mechanism shown in FIG. 2; FIG. 4 is an enlarged view of portion A of FIG. 2; FIG. 5 is a cross-sectional view of the securing mechanism shown in FIG. 3; FIG. 6 is an enlarged view of the portion B shown in FIG. 3; FIG. 7 is an enlarged view of section C of FIG. 4; fig. 8 is a schematic view of the portion D shown in fig. 5. The fixing device includes: the steel wire rings 3 are provided with a plurality of steel wire rings 3, each steel wire ring 3 is annular and is of an unsealed annular structure with two annular ends not connected, one of the head end and the tail end of each steel wire ring 3 is provided with a second groove 3a, and the other end of each steel wire ring 3 is provided with a third through hole 3 b; the steel wire ring 3 is used for fixing the flexible corrugated pipe 1, and deformation of the flexible corrugated pipe 1 due to external force in the use process is avoided.
The fixing mechanism 2 is connected to the steel wire ring 3, the fixing mechanism 2 is provided with a plurality of fixing mechanisms 2, each fixing mechanism 2 comprises an outer ball sleeve 21, an inner ball 22, a first sleeve 23, a second sleeve 24, a sliding mechanism 25 and connecting pipes 26, the first sleeve 23 is sleeved at one end of the steel wire ring 3, the second sleeve 24 is sleeved at the other end of the steel wire ring 3, the first sleeve 23 and the second sleeve 24 are fixedly connected to two sides of the connecting pipes 26 in a parallel manner, in order to save manufacturing cost, the first sleeve 23 and the second sleeve 24 are only installed on two sides of some of the connecting pipes 26, one end of the second sleeve 24 is annularly provided with a first through hole 242 corresponding to the third through hole 3b, and a clamping column 241 penetrates through the third through hole 3b and the first through hole 242. The top end of the connecting pipe 26 is connected with the outer ball sleeve 21, the bottom end of the connecting pipe 26 is connected with the inner ball 22, the inner ball 22 is embedded into the inner cavity of the adjacent outer ball sleeve 21, the inner ball 22 is rotatably connected with the adjacent outer ball sleeve 21, the outer ball sleeve 21 is of a three-quarter sphere structure with a hollow inner part, the inner ball 22 is of a reticular sphere structure with a hollow inner part, the sliding mechanism 25 penetrates through the first sleeve 23, and one end of the sliding mechanism 25 is connected with the outer ball sleeve 21.
The sliding mechanism 25 includes a sliding rail 251, a limiting block 252, a string 253, a fixing ring 254 and a fixing rod 255, the sliding rail 251 with a hollow interior penetrates through the side wall of the first sleeve 23, a first groove 25b corresponding to the second groove 3a is formed at the joint of the sliding rail 251 and the first sleeve 23, one end of the sliding rail 251 is connected to the outer ball sleeve 21, when the first sleeve 23 and the second sleeve 24 are not installed, the sliding mechanism 25 is only connected to the outer ball sleeve 21, second through holes 25a are formed at the top and the bottom of the sliding rail 251, the fixing rod 255 is arranged in the inner cavity of the sliding rail 251, the mesh diameter on the inner ball 22 is larger than the diameter of the fixing rod 255, the limiting block 252 is arranged on the side wall of the fixing rod 255, the string 253 is fixed on the side wall of the limiting block 252, the string 253 penetrates through the second through hole 25a at the top end of the slide rail 251, the string 253 penetrates through a fixing ring 254 connected to the inner side wall of the outer ball sleeve 21, one end of the fixing ring 254 is open, the bottom end of the fixing rod 255 is connected with the string 253, and the string 253 penetrates through the second through hole 25a at the bottom end of the slide rail 251 and is connected with the adjacent limiting block 252 on the fixing rod 255.
The diameter of the second through hole 25a at the top end of the slide rail 251 is greater than the diameter of the fixing rod 255 and less than the width of the limiting block 252, the limiting block 252 limits the fixing rod 255 during the displacement process of the fixing rod 255, so that the fixing rod 255 is not completely separated from the inner cavity of the slide rail 251, and the diameter of the second through hole 25a at the bottom end of the slide rail 251 is less than the diameter of the fixing rod 255, thereby ensuring that the fixing rod 255 is not separated from the bottom of the slide rail 251.
The outer ball sleeve 21 and the slide rail 251 are both detachable structures, and the outer ball sleeve 21 and the slide rail 251 are equally divided into two parts which are connected in a buckling manner.
When in use, the outer ball sleeve 21 and the slide rail 251 are in a disassembled state, the plurality of fixing mechanisms 2 are sequentially spliced to determine the distance between the adjacent steel wire rings 3, the fixing structure 2 with the first sleeve 23 and the second sleeve 24 is installed at the corresponding position, so that the distance between the fixing structures 2 with the first sleeve 23 and the second sleeve 24 is equal to the previously determined distance between the steel wire rings 3, the string 253 is connected with the plurality of fixing rods 255, the fixing rods 255 are sequentially placed into the inner cavities of the corresponding slide rails 251, the inner ball 22 is placed into the inner cavity of the adjacent outer ball sleeve 21, the string 253 passes through the second through hole 25a and the fixing ring 254, one end of the steel wire ring 3 passes through the first sleeve 23, and the outer ball sleeve 21 and the slide rail 251 are spliced, the inner ball 22 is fixed in the inner cavity of the outer ball sleeve 21 and is rotatably connected with the outer ball sleeve 21, the first groove 25b is aligned with the second groove 3a, the fixing rod 255 is clamped in the second groove 3a, one end of the steel wire ring 3 is fixed, and then the two ends of the steel wire ring 3 are tightened to make the steel wire ring 3 in a compressed state, at this time, the diameter of the steel wire ring 3 is reduced to make the diameter of the steel wire ring 3 smaller than the diameter of the flexible corrugated tube 1 (in a normal state, the diameter of the steel wire ring 3 is 1-2cm larger than the diameter of the flexible corrugated tube 1, the diameter of the compressed steel wire ring 3 is 3-5cm smaller than the diameter of the flexible corrugated tube 1), the other end of the steel wire ring 3 penetrates through the second sleeve 24 to make the first through hole 242 aligned with the third through hole 3b, after the clip column 241 penetrates through the first through hole 242 and the third through hole 3b to fix the other end of the wire loop 3 in the second sleeve 24, the bottom end of the string 253 is fixed, the fixing rod 255 is guaranteed not to be displaced in the slide rail 251, the phenomenon that the fixing rod 255 cannot fix the wire loop 3 due to movement of the fixing rod 255 is avoided, after the wire loop 3 and the fixing mechanism 2 are installed, the wire loop 3 and the fixing mechanism 2 are placed in the flexible corrugated tube 1, the previous fixing of the bottom end of the string 253 is released, then the top end of the string 253 is pulled to move the fixing rod 255 upwards, at this time, the fixing rod 255 is separated from the first groove 25b, but the top end of the fixing rod 255 does not penetrate through the outer ball sleeve 21 at this time, and after the fixing rod 255 is separated from the first groove 25b, due to the restoring force of the wire loop 3, the steel wire ring 3 is expanded, the diameter of the steel wire ring is increased, the steel wire ring is tightly attached to the inner side wall of the flexible corrugated pipe 1, and the flexible corrugated pipe 1 is supported, so that the steel wire ring 3 is still sleeved in the first sleeve 23, the bottom end of the fixing rod 255 is abutted against the steel wire ring 3, and the first sleeve 23 limits the steel wire ring 3 and prevents the steel wire ring 3 from being completely separated from the first sleeve 23 to damage the flexible corrugated pipe 1. Then the flexible corrugated tube 1 is installed, because of installation requirements, after the flexible corrugated tube 1 is installed, there is a non-directional bend, in the bending process of the flexible corrugated tube 1, the inner ball 22 rotates inside the outer ball sleeve 21, so that the angle between the adjacent fixing mechanisms 2 is correspondingly changed along with the bend of the flexible corrugated tube 1, because the flexible corrugated tube 1 is easy to bend, after the installation is finished, the flexible corrugated tube 1 needs to be fixed, the top end of the string 253 is pulled again, the fixing rod 255 continuously moves upwards, so that the fixing rod 255 is inserted into the inside of the mesh hole on the inner ball 22, then the top end of the string 253 is fixed, it is ensured that the fixing rod 255 does not continuously displace, at this time, the inner ball 22 cannot rotate in the inner cavity of the outer ball sleeve 21, the angle between the adjacent fixing mechanisms 2 cannot change any more, and the fixing mechanisms 2 form a whole, meanwhile, the steel wire ring 3 and the flexible corrugated pipe 1 are prevented from displacement, so that the flexible corrugated pipe 1 is fixed at a free bending angle. When the angle of the flexible corrugated tube 1 needs to be changed, the string 253 can be pulled in the opposite direction to separate the fixing rod 255 from the mesh, and then the angle of the flexible corrugated tube 1 is changed or the flexible corrugated tube 1 is detached.
The present invention further provides a flexible bellows, which includes a fixing device, and the specific structure of the fixing device refers to the above embodiments, and since the flexible bellows employs all technical solutions of all the above embodiments, the present invention at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.
Compared with the related art, the fixing device and the flexible corrugated pipe provided by the invention have the following beneficial effects:
the invention provides a fixing device and a flexible corrugated pipe, the fixing device and the flexible corrugated pipe are provided with an elastic steel wire ring 3, the steel wire ring 3 is conveniently placed into a flexible corrugated pipe 1 when being contracted, the steel wire ring 3 is expanded when being restored, the diameter of the steel wire ring 3 is enlarged and is tightly attached to the inner side wall of the flexible corrugated pipe 1, the flexible corrugated pipe 1 has a supporting function, a fixing mechanism 2 is arranged, an inner ball 22 rotates in an outer ball sleeve 21, the angle between the adjacent fixing mechanisms 2 is correspondingly changed along with the bending of the flexible corrugated pipe 1, the fixing rod can firstly fix the compressed steel wire ring 3, pull a thin rope 253, move up the fixing rod 255 to release the fixing of the steel wire ring 3, the fixing rod 255 continues to move up, and the fixing rod 255 is inserted into meshes on the inner ball 22, the inner ball 22 is ensured not to rotate in the inner cavity of the outer ball sleeve 21, a whole is formed between the fixing mechanisms 2, the steel wire ring 3 and the flexible corrugated pipe 1 are prevented from displacing, the flexible corrugated pipe 1 is enabled to be fixed under a free bending angle, the steel wire ring 3 and the fixing mechanisms 2 are fixed with each other, the steel wire ring 3 ensures that the fixing mechanisms 2 are tightly attached to the inner side wall of the flexible corrugated pipe 1, the flexible corrugated pipe 1 is convenient to fix, and the fixing mechanisms 2 achieve the stretching of the steel wire ring 3 and limit the limiting effect of the steel wire ring 3 in the flexible corrugated pipe 1.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A fixation device, comprising:
the steel wire rings (3) are arranged in a plurality of numbers, each steel wire ring (3) is annular and is of an unsealed annular structure with two unconnected annular ends, one of the head end and the tail end of each steel wire ring (3) is provided with a second groove (3a), and the other end of each steel wire ring is provided with a third through hole (3 b);
the fixing mechanism (2) is connected to the steel wire ring (3), a plurality of fixing mechanisms (2) are arranged, each fixing mechanism (2) comprises an outer ball sleeve (21), an inner ball (22), a first sleeve (23), a second sleeve (24), a sliding mechanism (25) and a connecting pipe (26), the first sleeve (23) is sleeved on one end of the steel wire ring (3), the second sleeve (24) is sleeved on the other end of the steel wire ring (3), the first sleeve (23) and the second sleeve (24) are fixedly connected to two sides of the connecting pipe (26) in a parallel mode, the top end of the connecting pipe (26) is connected with the outer ball sleeve (21), the bottom end of the connecting pipe (26) is connected with the inner ball (22), the inner ball (22) is embedded into an inner cavity of the adjacent outer ball sleeve (21), and the inner ball (22) is rotatably connected with the adjacent outer ball sleeve (21), the sliding mechanism (25) penetrates through the first sleeve (23), and one end of the sliding mechanism (25) is connected to the outer ball sleeve (21).
2. The fixing device according to claim 1, wherein the sliding mechanism (25) comprises a sliding rail (251), a limiting block (252), a string (253), a fixing ring (254) and a fixing rod (255), the sliding rail (251) with a hollow interior penetrates through the side wall of the first sleeve (23), a first groove (25b) corresponding to the second groove (3a) is formed at the joint of the sliding rail (251) and the first sleeve (23), one end of the sliding rail (251) is connected to the outer ball sleeve (21), second through holes (25a) are formed at the top and the bottom of the sliding rail (251), the fixing rod (255) is arranged in the inner cavity of the sliding rail (251), the fixing rod (255) is slidably connected with the sliding rail (251), the limiting block (252) is arranged on the side wall of the fixing rod (255), and the string (253) is fixed on the side wall of the limiting block (252), the string (253) runs through the second through hole (25a) at the top end of the sliding rail (251), the string (253) runs through a fixing ring (254) connected to the inner side wall of the outer ball sleeve (21), one end of the fixing ring (254) is open, the bottom end of the fixing rod (255) is connected with the string (253), and the string (253) runs through the second through hole (25a) at the bottom end of the sliding rail (251) and is connected with the adjacent limiting block (252) on the fixing rod (255).
3. The fixing device as claimed in claim 2, wherein the diameter of the second through hole (25a) at the top end of the slide rail (251) is larger than the diameter of the fixing rod (255) and smaller than the width of the limiting block (252), and the diameter of the second through hole (25a) at the bottom end of the slide rail (251) is smaller than the diameter of the fixing rod (255).
4. The fixing device according to claim 1, wherein a first through hole (242) corresponding to the third through hole (3b) is annularly formed at one end of the second sleeve (24), and a clamping column (241) penetrates through the third through hole (3b) and the first through hole (242).
5. A fixing device according to claim 3, characterized in that the outer ball sleeve (21) and the slide rail (251) are both detachable structures, and the outer ball sleeve (21) and the slide rail (251) are both divided into two parts, and the two parts are connected by a snap fit.
6. A fixation device according to claim 1, characterized in that the wire loop (3) is of elastic construction.
7. A fixture according to claim 1, characterised in that the outer ball sleeve (21) is of a three-quarters sphere configuration with a hollow interior and the inner ball (22) is of a reticular sphere configuration with a hollow interior.
8. A flexible bellows comprising a fixation device according to any one of claims 1-7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910736866.1A CN110454626B (en) | 2019-08-10 | 2019-08-10 | Fixing device and flexible corrugated pipe |
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CN201910736866.1A CN110454626B (en) | 2019-08-10 | 2019-08-10 | Fixing device and flexible corrugated pipe |
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CN110454626A CN110454626A (en) | 2019-11-15 |
CN110454626B true CN110454626B (en) | 2021-02-12 |
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CN87100596A (en) * | 1987-02-10 | 1988-08-24 | 尹立 | Universal chain |
JP4096325B2 (en) * | 1998-12-14 | 2008-06-04 | 正喜 江刺 | Active capillary and method for manufacturing the same |
SE527377C2 (en) * | 2004-06-03 | 2006-02-21 | Volvo Lastvagnar Ab | Wiring protection and method of mounting a wiring protection |
CN2864289Y (en) * | 2005-11-09 | 2007-01-31 | 陈灿志 | Fluid conveyer pipe structure |
CN207393851U (en) * | 2017-10-23 | 2018-05-22 | 新昌县大市聚镇伯凡机械厂 | A kind of Universal drive chain |
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