CN208021134U - Suspension overload protective device and vehicle - Google Patents

Abstract

The vehicle that the utility model provides suspension overload protective device, is installed with the suspension overload protective device.Wherein, the suspension overload protective device has suspension overload protective device ontology and alarm.The usefulness of the suspension overload protective device, the vehicle for being installed with the suspension overload protective device that are provided includes：1. vehicle body, chassis design load ensure that the intensity requirement on conventional road surface and moderate strength bad road surface, ultimate load operating mode are protected by the suspension overload protective device, be conducive to automotive light weight technology design.2. being conducive to promote the ride performance under the conditions of conventional traveling.3. because need not consider that the fatigue life of itself, the suspension overload protective device can provide big energy absorption, road surface overload can be born with effective protection vehicle.4. after the suspension overload protective device is deformed into a certain degree, the alarm equipment alarm prompts occupant to replace the suspension overload protective device.

Description

Suspension overload protective device and vehicle

Technical field

Vehicle suspension overload protection field the utility model is related to automotive field, in particular for such as passenger car, tool For body, it is related to a kind of suspension overload protective device and is installed with the vehicle of the suspension overload protective device.

Background technology

Car design requires vehicle body, chassis to allow for the low probability amplitude for bearing to meet by chance during client's use Ultimate load（Such as the road surfaces Fang Keng）.The pursuit handsome in appearance to riding vehicle so that passenger car enterprise is more and more using big The low aspect ratio tire of size, and the low aspect ratio tire of large scale can directly result in the rising of ultimate load, it has to increase vehicle The quality on body chassis is risen with reinforcing intensity to resist load for cost, causes the contradiction with Automobile Design lightweight requirements.

For such issues that, in order to minimize the load that road surface is transmitted to chassis, rack buffer block can be optimized It designs to increase its energy absorption, but with the increase of energy absorption, the fatigue endurance service life of buffer stopper and the ride performance of vehicle It can decline so that the increase of energy absorption is very difficult, eventually leads to and has to increase weight by the reinforcement of chassis to bear Ultimate load.

Utility model content

As previously mentioned, for particularly with the passenger car developed mainly for excellent road traveling, limit load is met by chance Lotus（Such as road surface Fang Keng）Probability it is very low, and ultimate load is easily perceived by client.Therefore, to be solved in the utility model Technical problem is a kind of finite lifetime of design, facilitates replacements, big energy absorption, while inexpensive suspension overload protective device, can To ensure vehicle body, the lightweight of chassis structure and good ride performance performance in nominal situation, and once encounter the limit Load working condition can provide big energy absorption because need not consider the fatigue life of itself, effective protection chassis, later Client can easily replace new overload protective device.

The utility model is solved by providing a kind of suspension overload protective device, being installed with the vehicle of the suspension overload protective device The certainly above problem, specifically, one side according to the present utility model, provides：

A kind of suspension overload protective device, wherein the suspension overload protective device has suspension overload protective device ontology and report Alert device, the suspension overload protective device ontology are assemblied in the upper end of suspension shock-absorber cylinder and the lower end interval with rack buffer block It opens, and the suspension overload protective device ontology is assemblied on suspension shock-absorber bar, the alarm is arranged in the suspension mistake Carry protector body inside, and the alarm be arranged at the lower end of the suspension overload protective device ontology and with institute The upper end for stating suspension overload protective device ontology is spaced apart, and the suspension overload protective device ontology can be along the suspension shock-absorber bar Direction distortion and be made of energy-absorbing material, be disposed with locating piece, warning member and positioning seat in the inside of the alarm, and And the warning member is arranged at the upper end of the alarm, and one end of the locating piece is fixed at the alarm simultaneously And the other end of the locating piece is connect with the warning member, the locating piece positions the warning member in the positioning seat In position location, make in the upper-end contact due to the rack buffer block and the suspension overload protective device ontology described outstanding When the upper end of frame overload protective device ontology deforms and reaches the upper end of the alarm, the warning member is from the position location Deviate from and sends out sound.

Optionally, a kind of embodiment according to the present utility model, in the side surface of the suspension overload protective device ontology It is configured with part and weakens structure for making the suspension overload protective device ontology be deformed in the form of certain.

Optionally, a kind of embodiment according to the present utility model, it is fold that structure is weakened in the part.

Optionally, a kind of embodiment according to the present utility model, the locating piece are retaining spring.

Optionally, a kind of embodiment according to the present utility model, the retaining spring are constructed such that the alarm The sound of part can hit side wall and/or the lower end of the alarm by the warning member to send out.

Optionally, a kind of embodiment according to the present utility model is opened in the side of the suspension overload protective device ontology Slot is for being sleeved on the suspension shock-absorber bar.

Optionally, a kind of embodiment according to the present utility model, the warning member are metal ball, and the positioning seat has With the matched arc surface of the warning member, in favor of the warning member in the position location be located in the positioning seat In.

Optionally, the lower end of a kind of embodiment according to the present utility model, the suspension overload protective device ontology is removable It is connected to the upper end of the suspension shock-absorber cylinder with unloading, and the suspension overload protective device ontology is for thin shell column and by metal It is made.

Optionally, a kind of embodiment according to the present utility model, the upper end of the suspension overload protective device ontology is with before Suspension is spaced apart 10-40mm, most 60mm is spaced apart with rear suspension, and the upper end of the alarm is protected with suspension overload The upper end for protecting device ontology is spaced apart 10-30mm.

Another aspect according to the present utility model, the utility model provide a kind of vehicle, wherein it includes any of the above-described Kind suspension overload protective device.

The usefulness of the suspension overload protective device, the vehicle for being installed with the suspension overload protective device that are provided includes：

1. vehicle body, chassis design load ensure the intensity requirement on conventional road surface and moderate strength bad road surface, ultimate load work Condition is protected by the suspension overload protective device, is conducive to automotive light weight technology design.

2. being conducive to promote the ride performance under the conditions of conventional traveling.

3., can because need not consider that the fatigue life of itself, the suspension overload protective device can provide big energy absorption Road surface overload is born with effective protection vehicle.

4. after the suspension overload protective device is deformed into a certain degree, the alarm equipment alarm prompts described in occupant's replacement Suspension overload protective device.

Description of the drawings

The above-mentioned and other feature of refer to the attached drawing, the utility model will become obvious, wherein

Fig. 1 and 2 is the structural schematic diagram of the suspension overload protective device.

Specific implementation mode

It is readily appreciated that, technical solution according to the present utility model, in the case where not changing the utility model in essence spirit, this field Those skilled in the art can propose the various structures mode and realization method that can be replaced mutually.Therefore, implement in detail below Mode and attached drawing are only the exemplary illustrations to the technical solution of the utility model, and are not to be construed as the complete of the utility model Portion or be considered as defines or limits technical solutions of the utility model.

Up, down, left, right, before and after, front, the back side, top, the bottom etc. mentioned or may mentioned in the present specification Orientation term is defined relative to construction shown in each attached drawing, they are opposite concepts, and it is therefore possible to can root Correspondingly changed according to its residing different location, different use states.So also should not be by these or others side Position term is construed to restricted term.

It is the structural schematic diagram of the suspension overload protective device with reference to Fig. 1 and 2.Suspension mistake according to the present utility model Carrying protector 100, there is suspension overload protective device ontology 1 and alarm 2, the suspension overload protective device ontology 1 to be assemblied in suspension It the upper end of damper cylinder 8 and is spaced apart with the lower end of rack buffer block 6, and the suspension overload protective device ontology 1 assembles On suspension shock-absorber bar 7, the alarm 2 is arranged in the inside of the suspension overload protective device ontology 1, and the alarm Device 2 is arranged at the lower end of the suspension overload protective device ontology 1 and between the upper end of the suspension overload protective device ontology 1 Separate, the suspension overload protective device ontology 1 can along the suspension shock-absorber bar 7 Direction distortion and by energy-absorbing material system At being disposed with locating piece 4, warning member 3 and positioning seat 5 in the inside of the alarm 2, and the warning member 3 is arranged in At the upper end of the alarm 2, and one end of the locating piece 4 is fixed at the alarm 2 and the locating piece 4 The other end is connect with the warning member 3, and the warning member 3 is located in position location by the locating piece 4 in the positioning seat 5 （After the warning member 3 is located in the positioning seat 5 by the locating piece 4, the institute in the positioning seat 5 of the warning member 3 The position at place is the position location）In, due to the rack buffer block 6 and the suspension overload protective device ontology 1 When upper-end contact makes the upper end of the suspension overload protective device ontology 1 deform and reach the upper end of the alarm 2, the report Alert part 3 is deviate from from the position location and sends out sound.

As seen from Figure 1, the side surface construction of the suspension overload protective device ontology 1 have part weaken structure with It is deformed in the form of certain in making the suspension overload protective device ontology 1.Weaken structure implementation shown in Fig. 1 in the part It is fold in mode.The form of implementation of the fold can as illustrated in fig. 1 and 2 as be rendered as in the suspension overload protection Three horizontal endless folds of the side surface of device ontology 1.The size, depth of wherein per pass fold are identical and do not extend to institute It states at alarm 2.

It should be understood that the form of the fold can be changed according to actual conditions.For example, the number of the fold Amount is not limited to three.Size, the depth of the fold need not be identical.The fold need not also be rendered as horizontal endless, and Be can be when necessary tilt it is cyclic annular, or even multiple segmentations segmental arc so that the suspension overload protective device ontology 1 with Certain form deformation.

In the implementations shown in the figures, the locating piece 4 be retaining spring, so as to by the warning member 3 compared with It is located in the positioning seat 5 in the position location well.Simultaneously as the elastic properties of the retaining spring, it can The sound of the warning member 3 is enable to hit side wall and/or the lower end of the alarm 2 by the warning member 3 to send out. And this shock can repeated to ensure suspension overload protective device that occupant hears and more renews in turn.It should be understood that , the locating piece 4 is not limited to the embodiment of only retaining spring.For example, the locating piece 4 can be also configured to equally It can ensure the tappet or the like that the warning member 3 is hit after positioning and allowing.

In order to which the suspension overload protective device ontology 1 to be preferably arranged on the suspension shock-absorber bar 7, described outstanding The groove at side surface of frame overload protective device ontology 1 is for being sleeved on the suspension shock-absorber bar 7, this is more particularly to from Fig. 2 Find out.In addition, circular hole is also provided at the center of the suspension overload protective device ontology 1, with the shape with the suspension shock-absorber bar 7 Shape matches.Self-evidently, the width of the slot can be slightly less than the diameter of the suspension shock-absorber bar 7, so as at it Between formed interference fit, to prevent the suspension overload protective device ontology 1 from falling off from the suspension shock-absorber bar 7. Certainly, the suspension overload protective device ontology 1 can also have other forms to be arranged on the suspension shock-absorber bar 7.

It can also find out from Fig. 1 and 2, the alarm 2 is in intermediate arrangement in the suspension overload protective device ontology 1 It lower end and is equally arranged on the suspension shock-absorber bar 7.The alarm 2 in other embodiments can also be other The lower end of the suspension overload protective device ontology 1 is arranged at position, this does not affect the suspension overload protective device ontology 1 The contact of upper end and the upper end of the alarm 2.

In fig 1 and 2 it can also be seen that the warning member 3 is metal ball, the positioning seat 5 has and the warning member 3 Matched arc surface, in favor of the warning member 3 in the position location be located in the positioning seat 5.And institute The lower end for stating suspension overload protective device ontology 1 is detachably connected to the upper end of the suspension shock-absorber cylinder 8, and the suspension Overload protective device ontology 1 is thin shell column and is made of metal to be conducive to deform energy-absorbing.It should be noted that the utility model Deformation be preferably plastically deformed, the part after plastic deformation is replaced.Axis of the deformation in the suspension shock-absorber bar 7 It to generation and carries out, and the suspension overload protective device ontology 1 is caused to be expanded in the radial direction of the suspension shock-absorber bar 7.

The warning member 3 ensure that the warning member 3 is sent out with the construction that the suspension overload protective device ontology 1 is metal The sound gone out is sufficiently large to that member is allowed to hear and replaces the suspension overload protective device in turn.It is described detachably connected Including but not limited to bonding, screw threads for fastening are connected, are snapped connection.Screw threads for fastening connection is a kind of widely used dismountable solid Fixed connection has many advantages, such as that simple in structure, connection is reliable, is convenient to mount and dismount.Its include but not limited to be bolted, stud connect It connects, screw connection, holding screw connection, sunk screw connection, self-drilling connection, wood screw connects, self-tapping lock screw connects It connects, fastener-sub-assembly connection（Such as threaded male fastener and washer）；Meanwhile the concrete form of screw thread can have triangle Screw thread（It is common or made in Great Britain）, straight pipe thread and rectangular thread etc..Buckle is the insertion for a part and another part Connection or entirety close lockwork.The maximum feature snapped connection is easy for assemble or unload, can accomplish tool-free dismounting, to Efficiency of assembling is higher, while the assembling process of button bit is simple, the general action for only needing an insertion, without rotating or filling A kind of assembly easily and quickly is played the role of in the action of product orientation before matching.Bonding is for example by adhesive in solid Generated bonding force on surface, it is mainly viscous including surface by method of the same race or that same material is not securely attached together It applies, sealing and functionality are bonded.Compared with traditional mechanical fasteners, the stress distribution of the internal stress transmission of bonded assembly is more Uniformly, intensity is high, at low cost, light weight, function are small by being limited, and nor affects on overall appearance.

In terms of the deformation threshold value of the suspension overload protective device, the material of the suspension overload protective device is depended on Material and the upper end of structure and the suspension overload protective device ontology 1 at a distance from suspension and the upper end of the alarm 2 and The distance of the upper end of the suspension overload protective device ontology 1, in other words the deformation threshold value of the suspension overload protective device define Aforementioned parameters.Typically, the upper end of the suspension overload protective device ontology 1 is spaced apart 10-40mm with front suspension, with rear overhang Frame is spaced apart most 60mm（Front-seat 2 driver status）.This distance actually impact loading influences very little, because in order to Ensure vehicle ride comfort, one section of rigidity of the lower end very long range of the rack buffer block 6 is relatively low, will not cause big impact； Apparent road shocks can just make the rack buffer block 6 enter upper end rigidity to climb rapidly section, drastically so as to cause load Increase.Buffer stopper load is thousands of oxen to usual rough road when driving, but can reach 50,000 Ns or more when impact operating mode.In view of two The kind huge load gap of operating mode, the setting of the deformation threshold value of the suspension overload protective device do not need to Fine design（Than Such as ensure indeformable under 10,000 Ns of load below）.

In addition, the upper end of the alarm 2 is spaced apart 10-30mm, outstanding with the upper end of the suspension overload protective device ontology 1 Its 20mm or so, so that basic absorption falls the energy of impact to the suspension overload protective device in this segment distance.

When vehicle is in prevailing roadway and the bad road traveling of moderate strength, road bump can make the rack buffer block 6 by In movement of the suspension shock-absorber bar 7 in the suspension shock-absorber cylinder 8 and it is upper with the suspension overload protective device ontology 1 End is contacted, but contact force is less than the deformation threshold value of the suspension overload protective device 100.Lead to the limit when meeting severe road surface When load, the rack buffer block 6 impacts the upper end of the suspension overload protective device ontology 1, the suspension overload protective device 100 Energy-absorbing is deformed, the load for being transmitted to body mounting is reduced；When load causes the deformation of the suspension overload protective device 100 to reach institute When stating the upper end of alarm 2, the warning member 3 of the alarm 2（It is metal in embodiment of the warning member 3 in figure Ball）Deviate from from the position location（Abjection direction is often referred in downward direction）, in the suspension overload protective device ontology 1 Sound is sent out with the movement of damper in portion's cavity, the protector for prompting occupant more to renew.

It should be understood that the suspension overload protective device 100 of the utility model can be installed in the car.The vehicle includes Gasoline car, diesel vehicle, car, lorry, car, electric vehicle etc..Therefore, the theme of the utility model also aims to protection installing There are the various vehicles of the suspension overload protective device 100 of the utility model.

It should be understood that all above preferred embodiments are all illustrative and not restrictive, people in the art The various remodeling or deformation that member makes particular embodiments described above under the design of the utility model all should be in this practicalities In novel legal scope.

Claims (10)

1. suspension overload protective device（100）, which is characterized in that the suspension overload protective device（100）With suspension overload protection Device ontology（1）And alarm（2）, the suspension overload protective device ontology（1）It is assemblied in suspension shock-absorber cylinder（8）Upper end and With rack buffer block（6）Lower end be spaced apart, and the suspension overload protective device ontology（1）It is assemblied in suspension shock-absorber bar （7）On, the alarm（2）It is arranged in the suspension overload protective device ontology（1）Inside, and the alarm（2）Cloth It sets in the suspension overload protective device ontology（1）Lower end at and with the suspension overload protective device ontology（1）Upper end between It separates, the suspension overload protective device ontology（1）It can be along the suspension shock-absorber bar（7）Direction distortion and by energy-absorbing material It is made, in the alarm（2）Inside be disposed with locating piece（4）, warning member（3）And positioning seat（5）, and the alarm Part（3）It is arranged in the alarm（2）Upper end at, and the locating piece（4）One end be fixed on the alarm（2）Place And the locating piece（4）The other end and the warning member（3）Connection, the locating piece（4）By the warning member（3）Institute State positioning seat（5）In be located in position location, due to the rack buffer block（6）With the suspension overload protective device ontology （1）Upper-end contact make the suspension overload protective device ontology（1）Upper end deformation and reach the alarm（2）Upper end When, the warning member（3）Deviate from from the position location and sends out sound.

2. suspension overload protective device according to claim 1（100）, which is characterized in that in the suspension overload protective device Ontology（1）Side surface construction there is part to weaken structure for making the suspension overload protective device ontology（1）With certain Form deforms.

3. suspension overload protective device according to claim 2（100）, which is characterized in that it is pleat that structure is weakened in the part Wrinkle.

4. suspension overload protective device according to claim 3（100）, which is characterized in that the locating piece（4）To position bullet Spring.

5. suspension overload protective device according to claim 4（100）, which is characterized in that the retaining spring is configured to Make the warning member（3）Sound can pass through the warning member（3）Hit the alarm（2）Side wall and/or lower end To send out.

6. suspension overload protective device according to claim 5（100）, which is characterized in that in the suspension overload protective device Ontology（1）Groove at side surface for being sleeved on the suspension shock-absorber bar（7）On.

7. suspension overload protective device according to claim 6（100）, which is characterized in that the warning member（3）For metal Ball, the positioning seat（5）With with the warning member（3）Matched arc surface, in favor of the warning member（3）Described fixed In the position of position and it is located in the positioning seat（5）In.

8. suspension overload protective device according to claim 7（100）, which is characterized in that the suspension overload protective device sheet Body（1）Lower end be detachably connected to the suspension shock-absorber cylinder（8）Upper end, and the suspension overload protective device ontology （1）For thin shell column and it is made of metal.

9. suspension overload protective device according to claim 8（100）, which is characterized in that the suspension overload protective device sheet Body（1）Upper end be spaced apart 10-40mm with front suspension, most 60mm, and the alarm are spaced apart with rear suspension（2）It is upper End and the suspension overload protective device ontology（1）Upper end be spaced apart 10-30mm.

10. vehicle, which is characterized in that it includes the suspension overload protective device according to any one of claim 1-9 （100）.