CN209943325U

CN209943325U - Push-and-pull flexible shaft with guide function

Info

Publication number: CN209943325U
Application number: CN201920539170.5U
Authority: CN
Inventors: 乔甜甜
Original assignee: Luoyang Craftsman Soft Shaft Controller Co Ltd
Current assignee: Luoyang Craftsman Soft Shaft Controller Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-01-14
Anticipated expiration: 2029-04-19

Abstract

The utility model belongs to the technical field of machinery, especially, push-and-pull flexible axle of area direction, including the flexible axle body, be equipped with plastic casing on the flexible axle body, be equipped with real silk pipe in the plastic casing, on the real silk pipe around being equipped with the spiral boundary belt, be equipped with the pipe in the real silk pipe, the flexible axle core is installed to the pipe internal rotation, plastic casing's top fixed mounting has the notes oil pipe, the top and the bottom end of notes oil pipe are the opening structure, and the bottom of notes oil pipe runs through plastic casing in proper order, the spiral boundary belt, real silk pipe and pipe, the intraductal fixed mounting of notes oil has the check valve, the top of notes oil pipe is rotated the cover and is equipped with the bellows, the fixed cover of one end that notes oil pipe was. The utility model discloses simple structure, the simple operation carries out oiling work to flexible axle core that can be quick, and labour saving and time saving improves work efficiency.

Description

Push-and-pull flexible shaft with guide function

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a push-and-pull flexible axle of area direction.

Background

The flexible shaft is a shaft with very low rigidity, elasticity and free bending transmission, is used for connecting two shafts which have different axes and are not in the same direction or have relative motion to transmit rotary motion and torque, can flexibly transmit the rotary motion and the torque to any position, and the push-pull flexible shaft has the characteristics of simple arrangement and convenient use, is widely applied to the fields of vehicles, machinery and the like and is used for remote control.

Through retrieval, the authorized public number is CN202719009U, discloses a mechanical push-pull flexible shaft, which has a flexible shaft core with a smooth surface, the surface of the flexible shaft core is wrapped with a layer of guide pipe, the periphery of the inner hole of the guide pipe is distributed with a plurality of arc-shaped ribs, the outer surface of the guide pipe is provided with a straight wire pipe, the outer surface of the straight wire pipe is provided with a spiral belt protective layer, the outer surface of the spiral belt protective layer is wrapped with a plastic layer, the two ends of the mechanical push-pull flexible shaft are provided with a pipe joint, a guide sleeve, a push-pull rod and a sealing element, the equipment can greatly reduce the contact area between the flexible shaft core and the inner surface of the guide pipe, increase the storage space of lubricating oil, improve the lubricating condition, lead the friction resistance to be smaller, obtain higher load efficiency, improve the elastic deformation of a stress supporting point of the guide pipe, allow the fit clearance, the flexible shaft core is higher in rigidity, the bearing capacity and the service life of the flexible shaft core are improved, the manufacturing procedures are reduced, and the product cost is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a push-pull flexible shaft with a guide.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a push-pull flexible shaft with guide comprises a flexible shaft body, a plastic shell is arranged on the flexible shaft body, a real silk pipe is arranged in the plastic shell, a spiral protective belt is wound on the real silk pipe, a guide pipe is arranged in the real silk pipe, a flexible shaft core is rotatably arranged in the guide pipe, an oil injection pipe is fixedly arranged at the top of the plastic shell, the top end and the bottom end of the oil injection pipe are both of an open structure, the bottom end of the oil filling pipe sequentially penetrates through the plastic shell, the spiral protective belt, the vacuum pipe and the guide pipe, a one-way valve is fixedly arranged in the oil filling pipe, the top end of the oil filling pipe is rotatably sleeved with a corrugated pipe, one end of the corrugated pipe, which is far away from the oil filling pipe, is fixedly sleeved with a connecting block, the bottom of the connecting block is provided with an oil filling groove, and the bellows is linked together with the oiling groove, and the top fixed mounting of plastic casing has the fixing base that is located oiling pipe one side, and, the bottom of connecting block and the top sealing contact of fixing base.

Preferably, the check valve is SPY-DXF-8.

Preferably, the oil filling pipe is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the corrugated pipe.

Preferably, two through holes have been seted up on the connecting block, and the oiling groove is located between two through holes, all rotates in two through holes and installs the bolt, outside the both ends of bolt all extended to the through hole, two thread grooves have been seted up at the top of fixing base, and the bottom of two bolts is respectively the screw thread and installs in corresponding thread groove.

Preferably, the flexible shaft body is sleeved with a guide sleeve and a pipe joint, a push-pull rod is arranged in the guide sleeve, and one end of the push-pull rod extends out of the guide sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a flexible shaft body, a plastic shell, a spiral protection belt, a vacuum tube, a conduit, a flexible shaft core, an oil injection tube, a check valve, a corrugated tube, a connecting block, an oil injection groove and a fixed seat, when the flexible shaft core needs to be lubricated by oil injection, a spanner is utilized to sequentially rotate two bolts clockwise, the two bolts are respectively screwed out of the corresponding threaded grooves, after the two bolts are screwed out of the corresponding threaded grooves, the fixing between the connecting block and the fixed seat is released, then the oil injection gun can be used, the oil outlet end of the oil injection gun is inserted into the oil injection groove, lubricating oil flows into the oil injection tube through the corrugated tube and flows into the conduit through the check valve, the flexible shaft core can be lubricated by oil injection, the corrugated tube can be rotated according to the operation requirement, thereby the position of the oil injection groove is adjusted, and the oil injection work of, after the oil is filled, the connecting block is placed on the fixed seat, and then the two bolts are screwed into the corresponding thread grooves in sequence;

the utility model discloses simple structure, the simple operation carries out oiling work to flexible axle core that can be quick, and labour saving and time saving improves work efficiency.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a flexible shaft body; 2. a plastic housing; 3. a spiral protective belt; 4. a filament tube; 5. a conduit; 6. a flexible shaft core; 7. an oil filling pipe; 8. a one-way valve; 9. a bellows; 10. connecting blocks; 11. an oil injection groove; 12. a fixed seat.

Detailed Description

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

Referring to fig. 1-2, the present invention provides a technical solution: a push-pull flexible shaft with guiding function comprises a flexible shaft body 1, a plastic shell 2 is arranged on the flexible shaft body 1, a real silk pipe 4 is arranged in the plastic shell 2, a spiral protective belt 3 is wound on the real silk pipe 4, a guide pipe 5 is arranged in the real silk pipe 4, a flexible shaft core 6 is rotatably arranged in the guide pipe 5, an oil injection pipe 7 is fixedly arranged at the top of the plastic shell 2, the top end and the bottom end of the oil injection pipe 7 are both of an open structure, the bottom end of the oil injection pipe 7 sequentially penetrates through the plastic shell 2, the spiral protective belt 3, the real silk pipe 4 and the guide pipe 5, a one-way valve 8 is fixedly arranged in the oil injection pipe 7, a corrugated pipe 9 is rotatably sleeved at the top end of the oil injection pipe 7, a connecting block 10 is fixedly sleeved at one end of the corrugated pipe 9 far away from the oil injection pipe 7, an oil injection groove 11 is formed, moreover, the bottom of the connecting block 10 is in sealing contact with the top of the fixed seat 12;

the model of the check valve 8 is SPY-DXF-8, the oil injection pipe 7 is fixedly sleeved with a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the corrugated pipe 9, the connecting block 10 is provided with two through holes, the oil injection groove 11 is positioned between the two through holes, bolts are rotatably installed in the two through holes, two ends of each bolt extend out of the through holes, the top of the fixed seat 12 is provided with two thread grooves, the bottoms of the two bolts are respectively and threadedly installed in the corresponding thread grooves, the flexible shaft body 1 is sleeved with a guide sleeve and a pipe joint, a push-pull rod is arranged in the guide sleeve, one end of the push-pull rod extends out of the guide sleeve, the device is matched with the corrugated pipe 9, the connecting block 10, the oil injection groove 11 and the fixed seat 12 through the flexible shaft body 1, the plastic shell 2, the spiral protective belt 3, silk, when the flexible shaft core 6 needs to be lubricated by injecting oil, the two bolts are rotated clockwise by the wrench in sequence, the two bolts are screwed out of the corresponding thread grooves respectively, after the two bolts are screwed out of the corresponding thread grooves, the fixation between the connecting block 10 and the fixed seat 12 is removed, then the oil injection gun can be used, the oil outlet end of the oil injection gun is inserted into the oil injection groove 11, the lubricating oil flows into the oil injection pipe 7 through the corrugated pipe 9 and then flows into the conduit 5 through the check valve 8, the flexible shaft core 6 can be lubricated by injecting oil, the corrugated pipe 9 can be rotated according to the operation requirement, thereby the position of the oil injection groove 11 is adjusted, the oiling operation of a worker is convenient, after the oil injection is finished, the connecting block 10 is placed on the fixed seat 12, and then the two bolts are screwed into the corresponding thread grooves 12 in sequence, the utility model has simple structure, the simple operation carries out oiling work to flexible axle core 6 that can be quick, and labour saving and time saving improves work efficiency.

The working principle is as follows: the flexible shaft body 1 is characterized in that two ends of the flexible shaft body 1 are connected with guide sleeves through pipe joints, the guide sleeves are connected with push-pull rods in a guiding manner, second sealing parts are sleeved between the guide sleeves and the push-pull rods, first sealing parts are sleeved between the guide sleeves and the pipe joints, the first sealing parts and the second sealing parts have dustproof and waterproof effects, when oil lubrication needs to be performed on the flexible shaft core 6, firstly, a wrench is used for sequentially and clockwise rotating two bolts, the two bolts are respectively screwed out of corresponding thread grooves, after the two bolts are screwed out of the corresponding thread grooves, the fixing between the connecting block 10 and the fixing seat 12 is removed, then, the oil injection gun can be used, the oil outlet end of the oil injection gun is inserted into the oil injection groove 11, lubricating oil flows into the oil injection pipe 7 through the corrugated pipe 9 and then flows into the guide pipe 5 through the one-way valve 8, and the oil, in the lubricating oil injecting process, the corrugated pipe 9 can be rotated according to operation requirements, so that the position of the oil injection groove 11 is adjusted, the worker can conveniently perform oil injection work, after the oil injection is finished, the connecting block 10 is placed on the fixing seat 12, and then the connecting block 10 is fixed on the fixing seat 12 in sequence in the corresponding thread groove 12 of the two bolt screws, so that the corrugated pipe 9 is rocked when the flexible shaft body 1 is avoided to be used.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a push-and-pull flexible axle of area direction, includes flexible axle body (1), its characterized in that: the flexible shaft is characterized in that a plastic shell (2) is arranged on the flexible shaft body (1), a real wire pipe (4) is arranged in the plastic shell (2), a spiral protective belt (3) is wound on the real wire pipe (4), a guide pipe (5) is arranged in the real wire pipe (4), a flexible shaft core (6) is rotatably arranged in the guide pipe (5), an oil injection pipe (7) is fixedly arranged at the top of the plastic shell (2), the top end and the bottom end of the oil injection pipe (7) are both of an open structure, the bottom end of the oil injection pipe (7) sequentially penetrates through the plastic shell (2), the spiral protective belt (3), the real wire pipe (4) and the guide pipe (5), a check valve (8) is fixedly arranged in the oil injection pipe (7), a corrugated pipe (9) is rotatably sleeved at the top end of the oil injection pipe (7), a connecting block (10) is fixedly sleeved at one end, far away from the, and the corrugated pipe (9) is communicated with the oil injection groove (11), the top of the plastic shell (2) is fixedly provided with a fixed seat (12) positioned on one side of the oil injection pipe (7), and the bottom of the connecting block (10) is in sealing contact with the top of the fixed seat (12).

2. The push-pull flexible shaft with the guide function of claim 1, which is characterized in that: the type of the check valve (8) is SPY-DXF-8.

3. The push-pull flexible shaft with the guide function of claim 1, which is characterized in that: the oil filling pipe (7) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the corrugated pipe (9).

4. The push-pull flexible shaft with the guide function of claim 1, which is characterized in that: two through holes are formed in the connecting block (10), the oil injection groove (11) is located between the two through holes, bolts are installed in the two through holes in a rotating mode, the two ends of each bolt extend to the outside of the corresponding through holes, two thread grooves are formed in the top of the fixing base (12), and the bottoms of the two bolts are installed in the corresponding thread grooves in a threaded mode respectively.

5. The push-pull flexible shaft with the guide function of claim 1, which is characterized in that: the flexible shaft body (1) is sleeved with a guide sleeve and a pipe joint, a push-pull rod is arranged in the guide sleeve, and one end of the push-pull rod extends out of the guide sleeve.