CN112324787B - Flexible shaft with high heat-insulating performance for automobile gear shifting - Google Patents

Flexible shaft with high heat-insulating performance for automobile gear shifting Download PDF

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Publication number
CN112324787B
CN112324787B CN202110028547.2A CN202110028547A CN112324787B CN 112324787 B CN112324787 B CN 112324787B CN 202110028547 A CN202110028547 A CN 202110028547A CN 112324787 B CN112324787 B CN 112324787B
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China
Prior art keywords
heat insulation
sleeve
heat
outer end
insulation sleeve
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CN202110028547.2A
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Chinese (zh)
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CN112324787A (en
Inventor
包君
乔国昌
刘晓辉
孙春静
王振伟
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Shandong Transport Vocational College
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Shandong Transport Vocational College
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Publication of CN112324787A publication Critical patent/CN112324787A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F16C1/06Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements with guiding sheathing, tube or box
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08Insulating elements, e.g. for sound insulation
    • B60R13/0846Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments
    • B60R13/0853Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments specially adapted for movable parts, e.g. gears levers, pedals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/26Construction of guiding-sheathings or guiding-tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/0412Cooling or heating; Control of temperature
    • F16H57/0415Air cooling or ventilation; Heat exchangers; Thermal insulations
    • F16H57/0416Air cooling or ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/36Generation or transmission of movements for final actuating mechanisms with at least one movement being transmitted by a cable
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/06Arrangements using an air layer or vacuum
    • F16L59/065Arrangements using an air layer or vacuum using vacuum

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Thermal Insulation (AREA)

Abstract

The invention discloses a flexible shaft with high heat-insulating property for automobile gear shifting, and particularly relates to the technical field of flexible shafts, wherein the flexible shaft comprises a steel wire flexible shaft main body, a hose, a first shaft seat and a second shaft seat, and a heat-insulating mechanism is arranged at the outer end of the steel wire flexible shaft main body; the heat insulation mechanism comprises a first heat insulation sleeve, a second heat insulation sleeve is arranged on one side of the first heat insulation sleeve, first heat-resistant resin is arranged at the outer end of the first heat insulation sleeve, a vertical pipe is fixedly arranged at the top end inside the first heat insulation sleeve, a one-way valve is fixedly arranged at the outer end of the first heat insulation sleeve, an air collecting box is fixedly arranged on one side of the top of the second ceramic coating, and a fan is fixedly arranged at the top end inside the air collecting box. According to the invention, the first heat insulation sleeve and the second heat insulation sleeve are arranged at the outer end of the hose, and the exhaust fan is used for pumping out air in the first heat insulation sleeve and the second heat insulation sleeve so as to isolate heat transfer, so that the heat insulation effect can be improved, the hose at the outer end of the steel wire flexible shaft main body can be prevented from being baked and deformed, and the normal gear shifting of a vehicle can be ensured.

Description

Flexible shaft with high heat-insulating performance for automobile gear shifting
Technical Field
The embodiment of the invention relates to the technical field of flexible shafts, in particular to a flexible shaft with high heat insulation performance for automobile gear shifting.
Background
The flexible shaft is mainly used for the spatial transmission that the axes of two transmission machines are not on the same straight line or require relative motion when working. It can be used for bending and bypassing various barriers and transferring rotary motion from long distance. The vibration damping device is suitable for the occasions subjected to continuous vibration to relieve the impact, and is also suitable for the occasions with high rotating speed and small torque. The flexible shaft has three types of steel wire winding type, coupling and steel wire spring type. In the automotive field, the shaft of an automotive engine transmits power to a transmission, and the transmission ratio from the output shaft of the transmission to the wheels is constant. The output shaft of the gear box is provided with a flexible shaft, and the flexible shaft is directly communicated to the mileage meter in front of the driver. The flexible shaft is a spiral tube with a steel wire core like a pull wire used for a bicycle wire brake, lubricating oil is arranged between the tube wall and the inner core, the outer tube is fixed, the inner core can rotate, and the rotating speed of the inner core has a constant proportional relation with the rotating speed of a wheel. The flexible shaft is communicated with a speedometer, so that the pointer can indicate the running speed of the vehicle.
However, the flexible shaft is generally close to the engine exhaust pipe, after the vehicle is started for a period of time, because the engine exhaust pipe is in a high-temperature state and the flexible shaft has poor heat insulation performance, the flexible shaft is often baked and deformed, so that the vehicle cannot be shifted normally, and the driving safety of the vehicle is affected.
Disclosure of Invention
Therefore, the embodiment of the invention provides the flexible shaft for automobile gear shifting with high heat insulation performance, the first heat insulation sleeve and the second heat insulation sleeve are installed at the outer end of the flexible pipe, and the exhaust fan is used for exhausting air in the first heat insulation sleeve and the second heat insulation sleeve to isolate heat transfer, so that the heat insulation effect can be improved, the flexible pipe at the outer end of the steel wire flexible shaft main body can be prevented from being baked and deformed, the vehicle can be ensured to be normally shifted, and the problem that the normal use of the vehicle is influenced due to the fact that the flexible shaft is baked and deformed in the prior art is solved.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a flexible shaft with high heat insulation performance for automobile gear shifting comprises a steel wire flexible shaft main body, a flexible pipe, a first shaft seat and a second shaft seat, wherein the flexible pipe is arranged at the outer end of the steel wire flexible shaft main body;
the heat insulation mechanism comprises a first heat insulation sleeve, the first heat insulation sleeve is arranged at the outer end of the hose, a second ceramic coating is fixedly arranged at the outer end of the first heat insulation sleeve, a second heat insulation sleeve is arranged on one side of the first heat insulation sleeve, a third ceramic coating is fixedly arranged at the outer end of the second heat insulation sleeve, an inserting plate is fixedly arranged on one side of the second heat insulation sleeve, a third sealing ring is fixedly arranged at one end of the inserting plate, a slot is formed in the first heat insulation sleeve, the inserting plate and the third sealing ring are arranged in the slot, the inserting plate is connected with the first heat insulation sleeve through threads, first heat-resistant resin is arranged at the outer end of the first heat insulation sleeve, the first heat-resistant resin is arranged in the first heat insulation sleeve and extends into the second heat insulation sleeve, a vertical pipe is fixedly arranged at the top end of the inner part of the first heat insulation sleeve, and the vertical pipe, a check valve is fixedly arranged at the outer end of the first heat insulation sleeve, the check valve is arranged at the top of the first heat insulation sleeve, an air collecting box is fixedly arranged on one side of the top of the second ceramic coating, the vertical pipe is arranged in the air collecting box, a fan is fixedly arranged at the top end in the air collecting box, and the fan extends out of the top of the air collecting box;
the air cooling mechanism comprises a sleeve, the sleeve is fixed to be established in the hose outer end, the fixed first outlet duct that is equipped with of sleeve top one end, first outlet duct one end and bellows one side fixed connection, bellows one side is equipped with the pressure gauge, the pressure gauge is established at second ceramic coating top and is passed inside first heat insulating sleeve extends into first heat insulating sleeve, the pressure gauge is established in standpipe one side, pressure gauge one side is equipped with the controller, the controller is fixed to be established at second ceramic coating top, pressure gauge and controller electric connection, the fixed fan housing that is equipped with in bellows top, the fan is established inside the fan housing, the inside fixed air-supply line that is equipped with of fan housing, air-supply line one end is passed the fan housing and is extended the fan housing top, the fixed air-supply line that is equipped with in fan housing outer end, air-supply line and controller electric.
Further, first radiation shield and second radiation shield one side are all fixed and are equipped with the third radiation shield, the fixed first ceramic coating that is equipped with in third radiation shield outer end, the inside fixed high silicon-oxygen cotton heat insulating board that is equipped with of third radiation shield, high silicon-oxygen cotton heat insulating board is established in the sleeve pipe outer end, the inside heat-resistant resin of second that is equipped with of high silicon-oxygen cotton heat insulating board, the heat-resistant resin of second is established in the sleeve pipe outer end, second heat-resistant resin one side is equipped with first sealing washer, first sealing washer is fixed to be established inside high silicon-oxygen cotton heat insulating board, first sealing washer is established in the sleeve pipe outer end.
Further, be located fixed first restriction frame that is equipped with in first ceramic coating one side of first radiation shield one side, the sleeve pipe runs through first restriction frame, the inside first gasbag that is equipped with of first restriction frame, the inside fixed second sealing washer that is equipped with of first gasbag, the second sealing washer is established in the sleeve pipe outer end, is located the fixed second restriction frame that is equipped with of first ceramic coating of first radiation shield one side, the inside second gasbag that is equipped with of second restriction frame, the inside fixed fourth sealing washer that is equipped with of second restriction frame, the fourth sealing washer is established in the sleeve pipe outer end.
Further, the fixed second siphunculus that is equipped with in sleeve pipe bottom, the second siphunculus is established in second restriction frame one side, the fixed first siphunculus that is equipped with in second siphunculus one side, second restriction frame and second gasbag fixed connection are passed to first siphunculus one end, first siphunculus is linked together with the second gasbag is inside, the second siphunculus other end passes first restriction frame and first gasbag fixed connection, the second siphunculus is linked together with first gasbag is inside.
Furthermore, a second air outlet pipe is fixedly arranged at the top of the first air bag, the diameter of the second air outlet pipe is smaller than that of the second through pipe, a third air outlet pipe is fixedly arranged on one side of the second air bag, one end of the third air outlet pipe penetrates through the second limiting frame and extends out of one side of the second limiting frame, and the diameter of the third air outlet pipe is smaller than that of the first through pipe.
Furthermore, two semicircular cover plates are arranged at the outer end of the first heat-resistant resin, the semicircular cover plates are arranged between the first heat-insulating sleeve and the second heat-insulating sleeve, and a fourth ceramic coating is fixedly arranged at the outer end of each semicircular cover plate.
Further, fourth ceramic coating top outer end is equipped with a plurality of bolts, and is a plurality of the bolt passes fourth ceramic coating and semi-circular apron and extends into inside first radiation shield and the second radiation shield respectively, the inside screw hole that all offers up of first radiation shield and second radiation shield, bolt one end is established inside the screw hole, the bolt passes through threaded connection with the screw hole.
Further, a first clamping groove is formed in the outer end of the first heat insulation sleeve, a second clamping groove is formed in the outer end of the second heat insulation sleeve, the second clamping groove is formed in one side of the first clamping groove, the second clamping groove is communicated with the first clamping groove, and the first heat-resistant resin is arranged inside the first clamping groove and the second clamping groove.
Furthermore, a fourth clamping groove is formed in the outer end of one side of the first heat insulation sleeve, a fifth clamping groove is formed in the outer end of the second heat insulation sleeve, the fifth clamping groove is formed in one side of the fourth clamping groove, the fourth clamping groove is communicated with the fifth clamping groove, and the semicircular cover plate is arranged inside the fourth clamping groove and the fifth clamping groove.
Furthermore, injection holes are formed in the third heat insulation sleeve, the first ceramic coating and the high silicon-oxygen-cotton heat insulation plate and are communicated with each other, a groove is formed in one side of the inside of the high silicon-oxygen-cotton heat insulation plate, the groove is formed in the bottom of the injection holes, the injection holes are communicated with the groove, and the second heat-resistant resin is arranged inside the groove.
The embodiment of the invention has the following advantages:
1. the invention installs the first heat insulation sleeve and the second heat insulation sleeve at the outer end of the hose, and installs the second ceramic coating and the third ceramic coating at the outer end of the first heat insulation sleeve and the second heat insulation sleeve respectively to isolate heat, and uses the fan and the vertical pipe to pump out the air in the first heat insulation sleeve and the second heat insulation sleeve to remove the medium of heat transmission, thereby effectively isolating heat, then fills the first heat-resistant resin in the first slot and the second slot, and uses the first heat-resistant resin to block the gap between the first heat insulation sleeve and the second heat insulation sleeve, thereby sealing the inside of the first heat insulation sleeve and the second heat insulation sleeve, and installs the third heat insulation sleeve at one side of the first heat insulation sleeve and the second heat insulation sleeve respectively, and uses the second heat-resistant resin in the third heat insulation sleeve to block the gap between the two ends of the sleeve and the first heat insulation sleeve and the second heat insulation sleeve, thereby preventing the gas from permeating, therefore, the vacuum environment in the first heat insulation sleeve and the second heat insulation sleeve can be ensured, and compared with the prior art, the heat transfer can be effectively isolated, so that the condition that the hose is baked and deformed can be prevented, and the smooth gear shifting of a vehicle can be ensured;
2. the invention uses the air inlet pipe to extract the air with lower temperature around the automobile radiator, and uses the first air outlet pipe to lead the cold air into the gap between the sleeve and the hose, so that the cold air in the sleeve can absorb the temperature on the surface of the hose, so as to absorb the heat generated by the friction between the main body of the steel wire flexible shaft and the hose and ensure the hose to run normally, and the gas after absorbing heat can enter the first air bag and the second air bag through the second through pipe and the first through pipe, so that the first air bag and the second air bag can be heated and expanded, thereby the second sealing ring and the fourth sealing ring can be extruded to be closely contacted with the outer end of the sleeve, thereby preventing gas from permeating into the first heat insulation sleeve and the second heat insulation sleeve, with the holistic leakproofness of improvement, compare with prior art, the temperature that can effectual reduction hose improves the leakproofness of first radiation shield and second radiation shield.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a cross-sectional view provided by the present invention;
FIG. 3 is a cross-sectional view of a first insulating sleeve provided by the present invention;
FIG. 4 is a cross-sectional view of a second insulating sleeve provided by the present invention;
FIG. 5 is a perspective view of a first insulating sleeve provided by the present invention;
FIG. 6 is a top view provided by the present invention;
FIG. 7 is a schematic structural view of a sleeve and a hose according to the present invention;
FIG. 8 is a cross-sectional view of a third insulating sleeve provided by the present invention.
In the figure: 1 steel wire flexible shaft main body, 2 flexible pipes, 3 first shaft seats, 4 second shaft seats, 5 sleeves, 6 first heat insulation sleeves, 7 second heat insulation sleeves, 8 plug boards, 9 slots, 10 first heat-resistant resin, 11 semicircular cover plates, 12 vertical pipes, 13 air collecting boxes, 14 fans, 15 fan covers, 16 air inlet pipes, 17 electromagnetic valves, 18 one-way valves, 19 pressure gauges, 20 controllers, 21 third heat insulation sleeves, 22 first ceramic coatings, 23 high silicon-oxygen cotton heat insulation boards, 24 first sealing rings, 25 second heat-resistant resin, 26 first air outlet pipes, 27 first limiting frames, 28 second limiting frames, 29 first air bags, 30 second air bags, 31 second sealing rings, 32 first through pipes, 33 second through pipes, 34 second air outlet pipes, 35 third air outlet pipes, 36 second ceramic coatings, 37 third ceramic coatings, 38 fourth ceramic coatings, 39 bolts, 40 threaded holes, 41 third sealing rings, 42 first clamping grooves, 34 second heat insulation sleeves, 9 plug boards, 9 slots, 10 first heat-resistant resin, 25 second heat-resistant resin, 26, 43 second clamping groove, 44 fourth clamping groove, 45 fifth clamping groove, 46 groove, 47 injection hole and 48 fourth sealing ring.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-7 in the specification, the flexible shaft for automobile gear shifting with high heat insulation performance comprises a steel wire flexible shaft main body 1, a hose 2, a first shaft seat 3 and a second shaft seat 4, wherein the hose 2 is arranged at the outer end of the steel wire flexible shaft main body 1, the first shaft seat 3 is fixedly connected with one end of the steel wire flexible shaft main body 1, the second shaft seat 4 is fixedly connected with the other end of the steel wire flexible shaft main body 1, the outer end of the steel wire flexible shaft main body 1 is provided with a heat insulation mechanism and an air cooling mechanism, and the air cooling mechanism is arranged in the heat insulation mechanism and extends out of the heat insulation;
the heat insulation mechanism comprises a first heat insulation sleeve 6, the first heat insulation sleeve 6 is arranged at the outer end of a hose 2, a second ceramic coating 36 is fixedly arranged at the outer end of the first heat insulation sleeve 6, a second heat insulation sleeve 7 is arranged on one side of the first heat insulation sleeve 6, a third ceramic coating 37 is fixedly arranged at the outer end of the second heat insulation sleeve 7, a plugboard 8 is fixedly arranged on one side of the second heat insulation sleeve 7, a third sealing ring 41 is fixedly arranged at one end of the plugboard 8, a slot 9 is formed in the first heat insulation sleeve 6, the plugboard 8 and the third sealing ring 41 are both arranged in the slot 9, the plugboard 8 is in threaded connection with the first heat insulation sleeve 6, a first heat-resistant resin 10 is arranged at the outer end of the first heat insulation sleeve 6, the first heat-resistant resin 10 is arranged in the first heat insulation sleeve 6 and extends into the second heat insulation sleeve 7, a vertical pipe 12 is fixedly arranged at the top end of the, the vertical pipe 12 is arranged inside the first heat insulation sleeve 6 and extends out of the top of the first heat insulation sleeve 6, a one-way valve 18 is fixedly arranged at the outer end of the first heat insulation sleeve 6, the one-way valve 18 is arranged at the top of the first heat insulation sleeve 6, an air collecting box 13 is fixedly arranged on one side of the top of the second ceramic coating 36, the vertical pipe 12 is arranged inside the air collecting box 13, a fan 14 is fixedly arranged at the top end inside the air collecting box 13, and the fan 14 extends out of the top of the air collecting box 13.
Further, first radiation shield 6 and second radiation shield 7 one side all are fixed and are equipped with third radiation shield 21, the fixed first ceramic coating 22 that is equipped with in third radiation shield 21 outer end, the inside fixed high silicon-oxygen cotton heat insulating board 23 that is equipped with of third radiation shield 21, high silicon-oxygen cotton heat insulating board 23 is established in sleeve 5 outer end, the inside second heat-resistant resin 25 that is equipped with of high silicon-oxygen cotton heat insulating board 23, second heat-resistant resin 25 is established in sleeve 5 outer end, second heat-resistant resin 25 one side is equipped with first sealing washer 24, first sealing washer 24 is fixed to be established inside high silicon-oxygen cotton heat insulating board 23, first sealing washer 24 is established in sleeve 5 outer end, is convenient for prevent that gas from the contact department infiltration of sleeve 5 both ends and first radiation shield 6 and second radiation shield 7.
Further, two semicircular cover plates 11 are arranged at the outer ends of the first heat-resistant resin 10, the semicircular cover plates 11 are arranged between the first heat-insulating sleeve 6 and the second heat-insulating sleeve 7, and a fourth ceramic coating 38 is fixedly arranged at the outer ends of the semicircular cover plates 11, so that the position of the first heat-resistant resin 10 can be fixed conveniently.
Further, a plurality of bolts 39 are arranged at the outer end of the top of the fourth ceramic coating 38, the bolts 39 penetrate through the fourth ceramic coating 38 and the semicircular cover plate 11 and extend into the first heat insulation sleeve 6 and the second heat insulation sleeve 7 respectively, threaded holes 40 are formed in the first heat insulation sleeve 6 and the second heat insulation sleeve 7 respectively, one end of each bolt 39 is arranged in each threaded hole 40, and the bolts 39 are connected with the threaded holes 40 through threads, so that the positions of the semicircular cover plate 11 and the fourth ceramic coating 38 can be fixed conveniently.
Further, a first clamping groove 42 is formed in the outer end of the first heat insulation sleeve 6, a second clamping groove 43 is formed in the outer end of the second heat insulation sleeve 7, the second clamping groove 43 is formed in one side of the first clamping groove 42, the second clamping groove 43 is communicated with the first clamping groove 42, and the first heat-resistant resin 10 is arranged inside the first clamping groove 42 and the second clamping groove 43, so that the liquid first heat-resistant resin 10 can be conveniently injected.
Further, a fourth clamping groove 44 is formed in the outer end of one side of the first heat insulation sleeve 6, a fifth clamping groove 45 is formed in the outer end of the second heat insulation sleeve 7, the fifth clamping groove 45 is formed in one side of the fourth clamping groove 44, the fourth clamping groove 44 is communicated with the fifth clamping groove 45, and the semicircular cover plate 11 is arranged inside the fourth clamping groove 44 and the fifth clamping groove 45, so that the semicircular cover plate 11 and the fourth ceramic coating 38 can be placed conveniently.
Further, all seted up the filling hole 47 on third radiation shield 21, first ceramic coating 22 and the high silicon-oxygen cotton heat insulating board 23, it is a plurality of the filling hole 47 is linked together, recess 46 has been seted up to inside one side of high silicon-oxygen cotton heat insulating board 23, the recess 46 is established in filling hole 47 bottom, filling hole 47 is linked together with recess 46, second heat-resistant resin 25 is established inside recess 46, is convenient for to the inside liquid second heat-resistant resin 25 that injects into of high silicon-oxygen cotton heat insulating board 23.
The implementation scenario is specifically as follows: when the invention is used, the sleeve 5 is fixedly arranged on the position of the hose 2 close to the exhaust pipe of the automobile engine, the first heat insulating sleeve 6 and the second heat insulating sleeve 7 are sequentially sleeved at the outer end of the sleeve 5, the inserting plate 8 is inserted into the slot 9, then the inserting plate 8 is rotated to ensure that the inserting plate 8 can be fixed in the first heat insulating sleeve 6 through threads, the third sealing ring 41 is arranged at one end of the inserting plate 8, so that the third sealing ring 41 can prevent gas from permeating into the first heat insulating sleeve 6 and the second heat insulating sleeve 7 through a gap between the inserting plate 8 and the first heat insulating sleeve 6, then the first heat-resistant resin 10 is filled between the first clamping groove 42 and the second clamping groove 43, after the first heat-resistant resin 10 is cooled, the first heat-resistant resin 10 can block the gap between the first heat insulating sleeve 6 and the second heat insulating sleeve 7, thereby further preventing the gas from permeating, the sealing performance is improved, then the two semicircular cover plates 11 can be placed into the fourth clamping groove 44 and the fifth clamping groove 45, the bolts 39 penetrate through the semicircular cover plates 11 and the fourth ceramic coatings 38 and are screwed into the threaded holes 40, so that the semicircular cover plates 11 can be fixed at the outer ends of the first heat-resistant resin 10 by the bolts 39, the fourth ceramic coatings 38 at the outer ends of the semicircular cover plates 11 and the second ceramic coatings 36 and 37 at the outer ends of the first heat-insulating sleeve 6 and the second heat-insulating sleeve 7 have high heat-insulating performance, so that the heat can be insulated and the hose 2 inside the first heat-insulating sleeve 6 and the second heat-insulating sleeve 7 can be prevented from being baked and deformed, the third heat-insulating sleeve 21, the first ceramic coatings 22 and the high silicon-cotton heat-insulating plate 23 can be insulated and are also installed at one end of the first heat-insulating sleeve 6 and the second heat-insulating sleeve 7, and the first sealing ring 24 inside the high silicon-cotton heat-insulating plate 23 can prevent gas from permeating into The second heat-resistant resin 25 can be injected into the injection hole 47, so that the second heat-resistant resin 25 can be gathered inside the groove 46, and the fifth clamping groove 45 can be used for blocking the gap between the sleeve 5 and the high silicon cotton heat insulation board 23 and between the first heat insulation sleeve 6 and the second heat insulation sleeve 7, so as to prevent the gas from permeating, so that the whole air tightness can be improved, the fan 14 can be started, so that the fan 14 can pump out the gas inside the first heat insulation sleeve 6 and the second heat insulation sleeve 7 through the vertical pipe 12, and the first heat insulation sleeve 6 and the second heat insulation sleeve 7 have strong sealing performance, so that a vacuum environment can be formed inside the first heat insulation sleeve 6 and the second heat insulation sleeve 7, so as to remove the medium of heat transfer, so as to better insulate heat, and prevent the occurrence of the condition that the hose 2 is baked and deformed, and then can guarantee the smoothness that the vehicle shifted, this embodiment has specifically solved among the prior art because the flexible axle is baked the problem that influences vehicle normal use that warp and lead to.
Referring to the attached drawings 1, 2 and 6-8 of the specification, the flexible shaft for automobile gear shifting with high heat insulation performance of the embodiment further comprises an air cooling mechanism, the air cooling mechanism comprises a sleeve 5, the sleeve 5 is fixedly arranged at the outer end of the hose 2, one end of the top of the sleeve 5 is fixedly provided with a first air outlet pipe 26, one end of the first air outlet pipe 26 is fixedly connected with one side of an air collecting box 13, one side of the air collecting box 13 is provided with a pressure gauge 19, the pressure gauge 19 is arranged at the top of a second ceramic coating 36 and penetrates through the first heat insulation sleeve 6 to extend into the first heat insulation sleeve 6, the pressure gauge 19 is arranged at one side of a vertical pipe 12, one side of the pressure gauge 19 is provided with a controller 20, the controller 20 is fixedly arranged at the top of the second ceramic coating 36, the pressure gauge 19 is electrically connected with the controller 20, the top of the air collecting box 13 is fixedly provided with an air, an air inlet pipe 16 is fixedly arranged inside the fan housing 15, one end of the air inlet pipe 16 penetrates through the fan housing 15 and extends out of the top of the fan housing 15, the air inlet pipe 16 is fixedly arranged at the outer end of the fan housing 15, and the air inlet pipe 16 is electrically connected with a controller 20.
Further, be located the fixed first restriction frame 27 that is equipped with in first ceramic coating 22 one side of first radiation shield 6 one side, sleeve pipe 5 runs through first restriction frame 27, first restriction frame 27 is inside to be equipped with first gasbag 29, the inside fixed second sealing washer 31 that is equipped with of first gasbag 29, second sealing washer 31 is established in sleeve pipe 5 outer end, is located the fixed second restriction frame 28 that is equipped with of first ceramic coating 22 of first radiation shield 6 one side, the inside second gasbag 30 that is equipped with of second restriction frame 28, the inside fixed fourth sealing washer 48 that is equipped with of second restriction frame 28, fourth sealing washer 48 is established in sleeve pipe 5 outer end, is convenient for utilize first gasbag 29 and second gasbag 30 to extrude inside second sealing washer 31 and fourth sealing washer 48 and sleeve pipe 5 outer end contact to improve holistic gas tightness.
Further, the fixed second siphunculus 33 that is equipped with in sleeve pipe 5 bottom, second siphunculus 33 is established in second restriction frame 28 one side, the fixed first siphunculus 32 that is equipped with in second siphunculus 33 one side, first siphunculus 32 one end passes second restriction frame 28 and second gasbag 30 fixed connection, first siphunculus 32 is linked together with second gasbag 30 is inside, the second siphunculus 33 other end passes first restriction frame 27 and first gasbag 29 fixed connection, second siphunculus 33 is linked together with first gasbag 29 is inside, is convenient for aerify to first gasbag 29 and second gasbag 30 are inside.
Further, first gasbag 29 top is fixed and is equipped with second outlet duct 34, the diameter of second outlet duct 34 is less than second siphunculus 33, the fixed third outlet duct 35 that is equipped with in second gasbag 30 one side, third outlet duct 35 one end is passed second restriction frame 28 and is extended second restriction frame 28 one side, the diameter of third outlet duct 35 is less than first siphunculus 32, is convenient for guarantee gaseous circulation.
The implementation scenario is specifically as follows: and in the process of pumping out the air inside the first heat insulating sleeve 6 and the second heat insulating sleeve 7 by the fan 14, the pressure gauge 19 measures the pressure inside the first heat insulating sleeve 6 and the second heat insulating sleeve 7, when the index of the pressure gauge 19 is zero, it indicates that the air inside the first heat insulating sleeve 6 and the second heat insulating sleeve 7 is pumped out to form a vacuum environment, at this time, the controller 20 controls the electromagnetic valve 17 to be opened, so that the fan 14 can pump the air with lower temperature around the automobile radiator into the air hood 15 and the air collecting box 13 through the air inlet pipe 16, and can send the cold air into the gap between the sleeve 5 and the hose 2 through the first air outlet pipe 26, so that the cold air can flow at the outer end of the hose 2 to absorb the heat generated by the friction between the hose 2 and the steel wire flexible shaft main body 1, thereby effectively reducing the temperature of the hose 2, and then the air absorbing the heat and having increased temperature can respectively enter the first air bag 29 and the second air bag 30 through the second through the The first airbag 29 and the second airbag 30 can be heated and inflated to respectively extrude the second sealing ring 31 and the fourth sealing ring 48 fixed in the first airbag 29 and the second airbag 30 to contact with the outer end of the sleeve 5, so that gas can be prevented from permeating into the first heat insulating sleeve 6 and the second heat insulating sleeve 7 from the gap between the sleeve 5 and the first limiting frame 27 to improve the integral air tightness, and the gas in the first airbag 29 and the second airbag 30 can also seep out through the second outlet pipe 34 and the third outlet pipe 35, so that the smooth flowing of the gas can be ensured, the extracted cold air can always radiate the heat of the hose 2, and because the diameters of the second outlet pipe 34 and the third outlet pipe 35 are smaller than the diameters of the second through pipe 33 and the first through pipe 32, the air inflow in the first airbag 29 and the second airbag 30 is larger than the air outflow, the volumes of the first and second air cells 29 and 30 are increased to press the second and fourth sealing rings 31 and 48, thereby improving the airtightness of the whole.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a flexible axle for car is shifted with high heat-proof quality, includes steel wire flexible axle main part (1), hose (2), first axle bed (3) and second axle seat (4), establish in steel wire flexible axle main part (1) outer end hose (2), first axle bed (3) and steel wire flexible axle main part (1) one end fixed connection, second axle bed (4) and steel wire flexible axle main part (1) other end fixed connection, its characterized in that: the outer end of the steel wire flexible shaft main body (1) is provided with a heat insulation mechanism and an air cooling mechanism, and the air cooling mechanism is arranged in the heat insulation mechanism and extends out of the heat insulation mechanism;
the heat insulation mechanism comprises a first heat insulation sleeve (6), the outer end of the hose (2) is arranged on the first heat insulation sleeve (6), a second ceramic coating (36) is fixedly arranged at the outer end of the first heat insulation sleeve (6), a second heat insulation sleeve (7) is arranged on one side of the first heat insulation sleeve (6), a third ceramic coating (37) is fixedly arranged at the outer end of the second heat insulation sleeve (7), a plugboard (8) is fixedly arranged on one side of the second heat insulation sleeve (7), a third sealing ring (41) is fixedly arranged on one end of the plugboard (8), a slot (9) is formed inside the first heat insulation sleeve (6), the plugboard (8) and the third sealing ring (41) are arranged inside the slot (9), the plugboard (8) is in threaded connection with the first heat insulation sleeve (6), the outer end of the first heat insulation sleeve (6) is provided with a first heat-resistant resin (10), and the first heat-resistant resin (10) is arranged inside the first heat insulation sleeve (6) and extends into the second heat insulation sleeve (7), a vertical pipe (12) is fixedly arranged at the top end inside the first heat insulation sleeve (6), the vertical pipe (12) is arranged inside the first heat insulation sleeve (6) and extends out of the top of the first heat insulation sleeve (6), a one-way valve (18) is fixedly arranged at the outer end of the first heat insulation sleeve (6), the one-way valve (18) is arranged at the top of the first heat insulation sleeve (6), an air collecting box (13) is fixedly arranged on one side of the top of the second ceramic coating (36), the vertical pipe (12) is arranged inside the air collecting box (13), a fan (14) is fixedly arranged at the top end inside the air collecting box (13), and the fan (14) extends out of the top of the air collecting box (13);
the air cooling mechanism comprises a sleeve (5), the sleeve (5) is fixedly arranged at the outer end of the hose (2), one end of the top of the sleeve (5) is fixedly provided with a first air outlet pipe (26), one end of the first air outlet pipe (26) is fixedly connected with one side of an air collecting box (13), one side of the air collecting box (13) is provided with a pressure gauge (19), the pressure gauge (19) is arranged at the top of the second ceramic coating (36) and penetrates through the first heat insulating sleeve (6) to extend into the first heat insulating sleeve (6), the pressure gauge (19) is arranged at one side of the vertical pipe (12), one side of the pressure gauge (19) is provided with a controller (20), the controller (20) is fixedly arranged at the top of the second ceramic coating (36), the pressure gauge (19) is electrically connected with the controller (20), the top of the air collecting box (13) is fixedly provided with an air cover (15), and the fan (14) is arranged, the utility model discloses a fan cover, including fan housing (15), air-supply line (16) one end is passed fan housing (15) and is extended out fan housing (15) top, fan housing (15) outer end is fixed and is equipped with air-supply line (16), air-supply line (16) and controller (20) electric connection.
2. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 1, wherein: first radiation shield (6) and second radiation shield (7) one side all fixed third radiation shield (21) of being equipped with, fixed first ceramic coating (22) of being equipped with in third radiation shield (21) outer end, the inside fixed high silicon oxygen cotton heat insulating board (23) that is equipped with of third radiation shield (21), establish in sleeve pipe (5) outer end high silicon oxygen cotton heat insulating board (23), high silicon oxygen cotton heat insulating board (23) inside is equipped with second heat-resistant resin (25), establish in sleeve pipe (5) outer end second heat-resistant resin (25), second heat-resistant resin (25) one side is equipped with first sealing washer (24), first sealing washer (24) are fixed to be established inside high silicon oxygen cotton heat insulating board (23), establish in sleeve pipe (5) outer end first sealing washer (24).
3. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 1, wherein: be located first ceramic coating (22) one side of first radiation shield (6) one side is fixed and is equipped with first restriction frame (27), sleeve pipe (5) run through first restriction frame (27), first restriction frame (27) inside is equipped with first gasbag (29), first gasbag (29) inside is fixed and is equipped with second sealing washer (31), establish in sleeve pipe (5) outer end second sealing washer (31), are located first ceramic coating (22) of first radiation shield (6) one side is fixed and is equipped with second restriction frame (28), second restriction frame (28) inside is equipped with second gasbag (30), second restriction frame (28) inside is fixed and is equipped with fourth sealing washer (48), establish in sleeve pipe (5) outer end fourth sealing washer (48).
4. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 3, wherein: fixed second siphunculus (33) that is equipped with in sleeve pipe (5) bottom, second siphunculus (33) are established in second restriction frame (28) one side, fixed first siphunculus (32) that is equipped with in second siphunculus (33) one side, second restriction frame (28) and second gasbag (30) fixed connection are passed to first siphunculus (32) one end, first siphunculus (32) and second gasbag (30) are inside to be linked together, first restriction frame (27) and first gasbag (29) fixed connection are passed to second siphunculus (33) other end, second siphunculus (33) and first gasbag (29) are inside to be linked together.
5. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 4, wherein: first gasbag (29) top is fixed and is equipped with second outlet duct (34), the diameter of second outlet duct (34) is less than second siphunculus (33), second gasbag (30) one side is fixed and is equipped with third outlet duct (35), third outlet duct (35) one end is passed second restriction frame (28) and is extended second restriction frame (28) one side, the diameter of third outlet duct (35) is less than first siphunculus (32).
6. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 1, wherein: two semicircular cover plates (11) are arranged at the outer end of the first heat-resistant resin (10), the semicircular cover plates (11) are arranged between the first heat-insulating sleeve (6) and the second heat-insulating sleeve (7), and a fourth ceramic coating (38) is fixedly arranged at the outer end of each semicircular cover plate (11).
7. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 6, wherein: fourth ceramic coating (38) top outer end is equipped with a plurality of bolts (39), and is a plurality of bolt (39) pass fourth ceramic coating (38) and semi-circular apron (11) extend respectively and go into inside first radiation shield (6) and second radiation shield (7), threaded hole (40) have all been seted up to first radiation shield (6) and second radiation shield (7) inside, bolt (39) one end is established inside threaded hole (40), bolt (39) pass through threaded connection with threaded hole (40).
8. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 1, wherein: first draw-in groove (42) have been seted up to first radiation shield (6) outer end, second draw-in groove (43) have been seted up to second radiation shield (7) outer end, establish in first draw-in groove (42) one side second draw-in groove (43), second draw-in groove (43) are linked together with first draw-in groove (42), establish inside first draw-in groove (42) and second draw-in groove (43) first heat-resistant resin (10).
9. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 6, wherein: fourth draw-in groove (44) have been seted up to first radiation shield (6) one side outer end, fifth draw-in groove (45) have been seted up to second radiation shield (7) outer end, establish in fourth draw-in groove (44) one side fifth draw-in groove (45), fourth draw-in groove (44) are linked together with fifth draw-in groove (45), establish inside fourth draw-in groove (44) and fifth draw-in groove (45) semicircular cover plate (11).
10. The flexible shaft for automobile gear shifting with high heat insulation performance as claimed in claim 2, wherein: all seted up injection hole (47) on third heat insulating sleeve (21), first ceramic coating (22) and high silicon-oxygen cotton heat insulating board (23), it is a plurality of injection hole (47) are linked together, recess (46) are seted up to inside one side of high silicon-oxygen cotton heat insulating board (23), establish injection hole (47) bottom recess (46), injection hole (47) are linked together with recess (46), the heat-resisting resin of second (25) is established inside recess (46).
CN202110028547.2A 2021-01-11 2021-01-11 Flexible shaft with high heat-insulating performance for automobile gear shifting Active CN112324787B (en)

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CN202110028547.2A CN112324787B (en) 2021-01-11 2021-01-11 Flexible shaft with high heat-insulating performance for automobile gear shifting

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Application Number Priority Date Filing Date Title
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CN112324787B true CN112324787B (en) 2021-03-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006183834A (en) * 2004-12-28 2006-07-13 Nissan Motor Light Truck Co Ltd Control cable
CN101463857A (en) * 2007-12-20 2009-06-24 上海干巷汽车镜(集团)有限公司 Inhaul cable assembly
CN201306379Y (en) * 2008-11-24 2009-09-09 顾贺 Insulating soft shaft
CN202023826U (en) * 2011-04-01 2011-11-02 宁波高发汽车控制系统股份有限公司 Heat insulation pipe of bracing wire of automobile gear
CN103527611A (en) * 2013-10-28 2014-01-22 力帆实业(集团)股份有限公司 Flexible shaft used for automobile gear selection and shift
CN104500547A (en) * 2014-12-23 2015-04-08 宁波凯达汽车部件有限公司 Automobile dragline

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006183834A (en) * 2004-12-28 2006-07-13 Nissan Motor Light Truck Co Ltd Control cable
CN101463857A (en) * 2007-12-20 2009-06-24 上海干巷汽车镜(集团)有限公司 Inhaul cable assembly
CN201306379Y (en) * 2008-11-24 2009-09-09 顾贺 Insulating soft shaft
CN202023826U (en) * 2011-04-01 2011-11-02 宁波高发汽车控制系统股份有限公司 Heat insulation pipe of bracing wire of automobile gear
CN103527611A (en) * 2013-10-28 2014-01-22 力帆实业(集团)股份有限公司 Flexible shaft used for automobile gear selection and shift
CN104500547A (en) * 2014-12-23 2015-04-08 宁波凯达汽车部件有限公司 Automobile dragline

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