CN103586669A - Method for assembling steering anti-theft device with limiting value torque - Google Patents

Method for assembling steering anti-theft device with limiting value torque Download PDF

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Publication number
CN103586669A
CN103586669A CN201310561785.5A CN201310561785A CN103586669A CN 103586669 A CN103586669 A CN 103586669A CN 201310561785 A CN201310561785 A CN 201310561785A CN 103586669 A CN103586669 A CN 103586669A
Authority
CN
China
Prior art keywords
press
described
lock tube
theft device
anti
Prior art date
Application number
CN201310561785.5A
Other languages
Chinese (zh)
Inventor
吴顺学
黄家夫
王华勇
王锐
Original Assignee
重庆长风机器有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆长风机器有限责任公司 filed Critical 重庆长风机器有限责任公司
Priority to CN201310561785.5A priority Critical patent/CN103586669A/en
Publication of CN103586669A publication Critical patent/CN103586669A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/02Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism

Abstract

The invention provides a method for assembling a steering anti-theft device with limiting value torque. The method comprises the steps that a groove is cut in a steering mandrel to form a precise positioning ring for supporting a step; an inner hole of a locking sleeve is matched with the outer circle of the precise positioning ring, the inner hole of the locking sleeve is provided with a locking sleeve guide hole, and a chamfer is arranged at the root of the locking sleeve guide hole; the locking sleeve is pressed into a press-fitting sleeve, an inner hole of the press-fitting sleeve is matched with the outer circle of the locking sleeve, an inner hole of the press-fitting sleeve is provided with a press-fitting sleeve guide hole, and the bottom of the press-fitting sleeve guide hole is a stress plane; the locking sleeve is pressed to the precise positioning ring by exerting pressure on the press-fitting sleeve. The steering anti-theft device with the limiting value torque can be assembled easily and conveniently through the method. On one hand, the yield of steering anti-theft devices is effectively improved, and the quality of the steering anti-theft devices is guaranteed. On the other hand, cost for achieving the method is low, considerable economic benefits can be brought to an enterprise, and the large-scale application of the method in an industry is facilitated.

Description

With limit value moment of torsion, turn to anti-theft device assembly method

Technical field

The present invention relates to automobile technical field, relate in particular to and a kind ofly with limit value moment of torsion, turn to anti-theft device assembly method.

Background technology

Car steering tube column upper end is connected with steering wheel, and lower end is connected with steering box, plays a part to form a connecting link in automobile steering system.In the normal use procedure of automobile, steering column is being born the task that the transmission of torque that steering wheel is transmitted arrives steering box, along with automotive electronics degree is more and more higher, has also attached the conventional electronic building bricks such as stacked switch on steering column.

Because steering column is the key device that automobile is controlled, therefore, a lot of alarms and security systems for automobiles are by controlling steering column or integrating to realize anti-theft feature with steering column.

Because the anti-theft device that turns to limit value moment of torsion also plays overload protective function to critical components such as ignition locks, make automobile ignition lock etc. not because forced steering lost efficacy.Therefore, the anti-theft device that turns to limit value moment of torsion is adopted by increasing automobile factory.

At present, the anti-theft device that turns to limit value moment of torsion press-fits in the process of assembling by traditional lock tube, the magnitude of interference assembling due to the way such as adopt pressurization or expand with heat and contract with cold is larger, and lock tube pressure assembling force maximum can reach 18kN, under large like this pressure, can bring following problem:

1,, under larger pressure, precision positioning ring crushes easily.

2, due to lock tube with turn to the fit clearance of axle less, thereby in press-fiting process, easily produce that lock tube deflection scratch turns to axle and the situation that causes product rejection.

Above-mentioned two kinds of phenomenons cause with limit value moment of torsion turn to anti-theft device to press-fit link product percent of pass low, product rejection amount is large.

Therefore the product qualified rate that, how simple economy ground improves with the manufacture that turns to anti-theft device of limit value moment of torsion just becomes problem demanding prompt solution.

Summary of the invention

For solving prior art, cannot improve the problem with the product qualified rate of the manufacture that turns to anti-theft device of limit value moment of torsion simple economy, the invention provides a kind of with limit value moment of torsion turn to anti-theft device assembly method, comprise the following steps:

Turn to grooving in axle, forming precision positioning ring support level;

Lock tube endoporus and precision positioning ring cylindrical are adaptive, and described lock tube endoporus is provided with lock tube pilot hole, and described lock tube pilot hole root is provided with chamfering;

Described lock tube is pressed into and press-fits sleeve, described in to press-fit sleeve endoporus and described lock tube cylindrical adaptive, described in press-fit sleeve endoporus and be provided with and press-fit sleeve pilot hole, described in to press-fit sleeve pilot hole bottom be plane of constraint;

To described, press-fit sleeve and exert pressure, by described, press-fit sleeve described lock tube is press-fited to described precision positioning ring.

The width of described precision positioning ring support level is 1mm.

The length of described lock tube pilot hole is 8mm to 10mm.

The fit clearance of described lock tube endoporus and described precision positioning ring cylindrical is less than 0.1mm.

The described fit clearance that press-fits sleeve endoporus and described lock tube cylindrical is less than 0.2mm.

The described material that press-fits sleeve is No. 45 steel, and quenching hardness is 40HRC to 60HRC.

The anti-theft device assembly method that turns to limit value moment of torsion of the present invention can complete the assembling that turns to anti-theft device with limit value moment of torsion simply and easily.Effectively raise on the one hand the yield rate of product, ensured the quality of product.On the other hand this method to realize cost lower, can bring considerable economic benefit to enterprise, be conducive to large-scale application industrially.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the schematic diagram that turns to axle of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention.

Fig. 2 is the structure chart of the lock tube of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention.

Fig. 3 is the structure chart that press-fits sleeve of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention.

Fig. 4 is the schematic diagram before press-fiting of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention.

Fig. 5 is the schematic diagram having press-fited of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention.

The specific embodiment

For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

Fig. 1 is the schematic diagram that turns to axle of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention, Fig. 2 is the structure chart of the lock tube of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention, Fig. 3 is the structure chart that press-fits sleeve of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention, Fig. 4 is the schematic diagram before press-fiting of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention, Fig. 5 is the schematic diagram having press-fited of the embodiment that turns to anti-theft device assembly method with limit value moment of torsion of the present invention, as shown in Figures 1 to 5, the present embodiment with limit value moment of torsion, turn to anti-theft device assembly method, can comprise the following steps:

Turn to grooving in axle 101, forming precision positioning ring support level 102.

Lock tube 103 endoporus and precision positioning ring cylindrical are adaptive, and lock tube 103 endoporus are provided with lock tube pilot hole 104, and lock tube pilot hole 104 roots are provided with chamfering 105.

Lock tube 103 is pressed into and press-fits sleeve 106, press-fit sleeve 106 endoporus and lock tube 103 cylindricals adaptive, press-fit sleeve 106 endoporus and be provided with and press-fit sleeve pilot hole 108, press-fiting sleeve pilot hole 108 bottoms is plane of constraint 107.

To press-fiting sleeve 106, exert pressure, by press-fiting sleeve 106, lock tube 103 is press-fited to precision positioning ring 109.

Concrete, as shown in Figure 1, first the anti-theft device assembly method that turns to limit value moment of torsion of the present embodiment need to turn to grooving in axle 101, forms precision positioning ring support level 102.Precision positioning ring support level 102 can effectively support and locate precision positioning ring.Turn to axle 101 can adopt steel No. 35, its modulation hardness can be 167HBS to 235HBS, and precision positioning ring can be by hand assembled to the assigned address turning in axle 101.

Preferably, the width of precision positioning ring support level 102 is 1mm.The width of precision positioning ring support level 102 is set to 1mm can meet the requirement to tautness while installing.

As shown in Figure 2, lock tube 103 endoporus and precision positioning ring cylindrical are adaptive, and lock tube 103 endoporus are provided with lock tube pilot hole 104, and lock tube pilot hole 104 roots are provided with chamfering 105.Lock tube 103, except the position coordinating with precision positioning ring, is also provided with the lock tube pilot hole 104 of locating and leading while being convenient to lock tube insertion in endoporus, design compared with the chamfering of wide-angle so that the location of lock tube at pilot hole root simultaneously.The material of lock tube can adopt steel No. 45, and its quenching hardness is 18HRC to 25HRC, can be by manual by the position alignment precision positioning ring of lock tube pilot hole, to carry out follow-up step.

Preferably, the length of lock tube pilot hole 104 is 8mm to 10mm.The degree of depth of lock tube pilot hole 104 is made as the requirement that 8mm to 10mm can meet installation, especially best results when the degree of depth of lock tube pilot hole 104 is 10mm.

Further preferred, the fit clearance of lock tube 103 endoporus and precision positioning ring cylindrical is less than 0.1mm.When the fit clearance of lock tube 103 endoporus and precision positioning ring cylindrical is less than 0.1mm, can guarantee lock tube 103 fastening be installed on precision positioning ring place, can effectively meet the requirement of national standard to the firmness of lock tube.

As shown in Figure 3 and Figure 4, lock tube 103 is pressed into and press-fits sleeve 106, press-fit sleeve 106 endoporus and lock tube 103 cylindricals adaptations, press-fit sleeve 106 endoporus be provided be convenient to position in press-fiting process and lead press-fit sleeve pilot hole 108, press-fiting sleeve pilot hole 108 bottoms is plane of constraint 107, for ease of exerting pressure to lock tube 103, plane of constraint 107 should be processed as plane as much as possible.

Preferably, the fit clearance that press-fits sleeve 106 endoporus and lock tube 103 cylindricals is less than 0.2mm.The fit clearance that press-fits sleeve 106 endoporus and lock tube 103 cylindricals is less than 0.2mm and can meets the requirement press-fiting, generally speaking, the fit clearance of sleeved 106 endoporus and lock tube 103 cylindricals is less, the effect press-fiting is better, but for the consideration of the aspect such as cost-saving, the fit clearance of sleeved 106 endoporus and lock tube 103 cylindricals is less than 0.2mm and can meets the requirement press-fiting.

Further preferred, the material that press-fits sleeve 106 is No. 45 steel, and quenching hardness is 60HRC to 60HRC.The material that press-fits sleeve is selected No. 45 steel, and quenching hardness is 40HRC to 60HRC, can meet the requirement press-fiting, and its hardness and intensity are enough to bear the larger pressure that press-fits process.

As shown in Figure 4 and Figure 5, can to press-fiting sleeve 106, apply downward pressure in vertical direction by hydraulic press equal pressure plant equipment, can transfer the pressure on lock tube 103 by plane of constraint 107, and then lock tube 103 is press-fited to precision positioning ring 109, thereby complete the whole process that press-fits.

The present embodiment with limit value moment of torsion turn to anti-theft device assembly method, 200,000 covers press-fit production failtests, in whole production process, without parts, scrap.And through torsion test checking, after press-fiting, turn to anti-theft device higher than the requirement of GB GB/T15740, realize steering lock and be enclosed within GB/T15740 related experiment process, antitheft moment of torsion can remain in the scope of 120Nm to 250Nm.

The anti-theft device assembly method that turns to limit value moment of torsion of the present invention can complete the assembling that turns to anti-theft device with limit value moment of torsion simply and easily.Effectively raise on the one hand the yield rate of product, ensured the quality of product.On the other hand this method to realize cost lower, can bring considerable economic benefit to enterprise, be conducive to large-scale application industrially.

Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (6)

  1. With limit value moment of torsion turn to an anti-theft device assembly method, it is characterized in that, comprise the following steps:
    Turn to grooving in axle, forming precision positioning ring support level;
    Lock tube endoporus and precision positioning ring cylindrical are adaptive, and described lock tube endoporus is provided with lock tube pilot hole, and described lock tube pilot hole root is provided with chamfering;
    Described lock tube is pressed into and press-fits sleeve, described in to press-fit sleeve endoporus and described lock tube cylindrical adaptive, described in press-fit sleeve endoporus and be provided with and press-fit sleeve pilot hole, described in to press-fit sleeve pilot hole bottom be plane of constraint;
    To described, press-fit sleeve and exert pressure, by described, press-fit sleeve described lock tube is press-fited to described precision positioning ring.
  2. According to claim 1 with limit value moment of torsion turn to anti-theft device assembly method, it is characterized in that, the width of described precision positioning ring support level is 1mm.
  3. According to claim 1 with limit value moment of torsion turn to anti-theft device assembly method, it is characterized in that, the length of described lock tube pilot hole is 8mm to 10mm.
  4. According to described in arbitrary claim in claims 1 to 3 with limit value moment of torsion turn to anti-theft device assembly method, it is characterized in that, the fit clearance of described lock tube endoporus and described precision positioning ring cylindrical is less than 0.1mm.
  5. According to claim 4 with limit value moment of torsion turn to anti-theft device assembly method, it is characterized in that, described in press-fit sleeve endoporus and described lock tube cylindrical fit clearance be less than 0.2mm.
  6. According to claim 5 with limit value moment of torsion turn to anti-theft device assembly method, it is characterized in that, described in press-fit sleeve material be No. 45 steel, quenching hardness is 40HRC to 60HRC.
CN201310561785.5A 2013-11-12 2013-11-12 Method for assembling steering anti-theft device with limiting value torque CN103586669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310561785.5A CN103586669A (en) 2013-11-12 2013-11-12 Method for assembling steering anti-theft device with limiting value torque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310561785.5A CN103586669A (en) 2013-11-12 2013-11-12 Method for assembling steering anti-theft device with limiting value torque

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108263467A (en) * 2016-12-30 2018-07-10 蒂森克虏伯普利斯坦汽车零部件(上海)有限公司 Lock ring component and steering column
CN108994582A (en) * 2018-08-13 2018-12-14 中车青岛四方机车车辆股份有限公司 A kind of axle press-loading apparatus and pressing method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55500159A (en) * 1978-03-03 1980-03-21
CN101122304A (en) * 2006-08-07 2008-02-13 兰科容隙环有限公司 Assembly of a shaft and a housing assembly
CN201148155Y (en) * 2007-10-17 2008-11-12 奇瑞汽车股份有限公司 Interference fit anti-theft steering mast
CN101890630A (en) * 2010-07-06 2010-11-24 南通环球转向器制造有限公司 Processing tool and processing method of medium-pressure oilless bearing of shell of steering device
CN102380761A (en) * 2011-09-23 2012-03-21 芜湖禾田汽车工业有限公司 Assembly fixture for internal ball pin framework dustproof cover and assembly method for same
CN202591940U (en) * 2012-05-11 2012-12-12 苏州金牛精密机械有限公司 Bearing pressing-in device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55500159A (en) * 1978-03-03 1980-03-21
CN101122304A (en) * 2006-08-07 2008-02-13 兰科容隙环有限公司 Assembly of a shaft and a housing assembly
CN201148155Y (en) * 2007-10-17 2008-11-12 奇瑞汽车股份有限公司 Interference fit anti-theft steering mast
CN101890630A (en) * 2010-07-06 2010-11-24 南通环球转向器制造有限公司 Processing tool and processing method of medium-pressure oilless bearing of shell of steering device
CN102380761A (en) * 2011-09-23 2012-03-21 芜湖禾田汽车工业有限公司 Assembly fixture for internal ball pin framework dustproof cover and assembly method for same
CN202591940U (en) * 2012-05-11 2012-12-12 苏州金牛精密机械有限公司 Bearing pressing-in device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108263467A (en) * 2016-12-30 2018-07-10 蒂森克虏伯普利斯坦汽车零部件(上海)有限公司 Lock ring component and steering column
CN108994582A (en) * 2018-08-13 2018-12-14 中车青岛四方机车车辆股份有限公司 A kind of axle press-loading apparatus and pressing method

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