CN207315931U - A kind of lightweight adjusts arm arm body - Google Patents

Abstract

The utility model provides a kind of lightweight adjustment arm arm body, regulating arm and mounting portion including interconnection, the regulating arm includes sequentially connected rocking arm, joint arm and straight-arm, the mounting portion includes the through hole and mounting hole being connected with each other, the straight-arm is connected with through hole, in the right side opening of the joint arm and straight-arm fluted one, one lower part of groove extends to mounting portion, and/or, the left side of the joint arm and straight-arm is provided with groove two, two lower part of groove extends to mounting portion, and/or, the mounting portion lower shape is engaged with regulating arm cover board shape.Structure and moulding of the utility model by varying adjustment arm arm body, so as to reduce the overall weight of adjustment arm assembly, make vehicle have the weight-space of bigger, improve adjustment arm its usage economy.

Description

A kind of lightweight adjusts arm arm body

Technical field

It the utility model is related to automobile mechanical technical field, more particularly to light-weighted adjustment arm arm body structure.

Background technology

At present, automobile industry lightweight work development just like a raging fire.Based on the appearance of many regulations, to the limit of vehicle There is higher requirement again, so in vehicle problem, light-weighted part assembly is quite crucial, can be that vehicle is saved more Weight-space.How on the premise of the comprehensive performance such as automobile intensity and safety is ensured, automobile is produced using modern Design Product optimize or mitigate using new material, new process the own wt of product, to reach drop weight, consumption reduction, environmental protection, safety Purpose, be current urgent problem.

In use, frequently braking can cause the continuous abrasion for braking secondary element to automobile, cause brake drum and hoof Gap between piece increases to some extent, causes pedal travel lengthening, the decline of brake chamber thrust, braking retardation and brake force Reduce etc..To ensure vehicle driving safety, maintain pedal travel stablizes the equilibrium that works between each brake relatively, need to be to system Dynamic gap is adjusted, and braking gap adjustment arm, effectively can be adjusted the gap between brake drum and brake lining, subtract The small gap increased by abrasion, makes brake clearance remain in scope of design.This patent is mainly for automotive adjusting arm Arm chaeta blank structure is improved, to solve the problems, such as that adjustment arm arm body is light-weighted.

In the prior art, the Chinese patent of Application No. CN201120346020.6 provides a kind of new automobile adjustment Arm, cover board are arranged on the centre of housing and cover board installed in the upper end of housing, worm gear, and the side of housing is equipped with grease nipple, butter Mouth is equipped with to be fixed on grease nipple with the matched screw thread of set screw, brake clip by set screw, and brake clip Front end is equipped with is fixed on the side of housing with the matched card slot of worm screw, worm screw, and is stuck in card slot.The adjustment arm arm body is thickness The solid of weight, consumptive material is more, adds adjustment arm total quality, improves cost.

As depicted in figs. 1 and 2, the adjustment arm of a kind of prior art, includes the regulating arm and mounting portion of interconnection, the tune Whole arm is typically chosen QT450 using tradition adjustment arm arm chaeta base, the conservative solid of arm body significant points selection, material, weight Measure relatively heavy, and the heavy material that consumes of solid is more, improves cost of manufacture, adds vehicle mass and driving oil consumption.

Utility model content

In order to overcome the defects of the prior art, the utility model mitigates the weight of automotive adjusting arm arm body by design improvement Amount, arm lightweight is adjusted to realize, and then mitigates complete vehicle weight.

Technical solution is used by the utility model solves aforementioned technical problem：A kind of lightweight adjusts arm arm body, bag The regulating arm and mounting portion of interconnection are included, the regulating arm includes sequentially connected rocking arm, joint arm and straight-arm, the installation Portion includes the through hole and mounting hole being connected with each other, and the straight-arm is connected with through hole,

In the right side opening of the joint arm and straight-arm fluted one, one lower part of groove extends to mounting portion,

And/or the left side of the joint arm and straight-arm is provided with groove two, two lower part of groove extends to mounting portion,

And/or the mounting portion lower shape is engaged with regulating arm cover board shape.

The improvement of the groove one, groove two, mounting portion lower shape can adjust on arm arm body at one to be improved at the same time, Also can according to actual conditions and needs, for wherein one or more be improved.

Preferably, the joint arm is in bending, and the rocking arm is connected with straight-arm dislocation.

Any of the above-described scheme is preferably, and the groove one and the shape of mounting portion junction match with perforation hole shape Close.

Any of the above-described scheme is preferably, and the groove two and the shape of mounting portion junction match with perforation hole shape Close.

Any of the above-described scheme is preferably, and the adjustment arm arm body is made of QT500 and the ductile cast iron material of the above, Since centre-to-centre spacing and offset are different, general structure can reach the loss of weight advantage of every more than 0.3Kg.

Any of the above-described scheme is preferably, and the rocking arm is connected with automobile component.

Any of the above-described scheme is preferably, and worm screw and worm screw pressing device are set in affiliated through hole.

Any of the above-described scheme is preferably, and worm gear and gap control device are set in the mounting hole.

Any of the above-described scheme is preferably, and the worm gear is arranged vertically with the worm screw and is mutually nibbled in adjustment arm arm body Close, the cylindrical interference fit of the internal splined hole of the worm screw and the worm shaft.

Any of the above-described scheme is preferably, and sets cover board outside the mounting hole, the cover board is by welding or passing through screw It is connected on mounting portion.

Any of the above-described scheme is preferably, and mounting portion lower part sets semi-circular projection, the protuberance and the cover board Screw connection portion shape matches.

Any of the above-described scheme is preferably, setting direction arrow on the joint arm.

Structure and moulding of the utility model by varying adjustment arm arm body, so as to reduce the total weight of adjustment arm assembly Amount, makes vehicle have the weight-space of bigger, improves adjustment arm its usage economy.The adjustment arm arm body of the utility model passes through Optimization of material, more than QT500 is brought up to by material selection, and since centre-to-centre spacing and offset are different, general structure can reach every The loss of weight advantage of more than 0.3Kg.The utility model ensure that its intensity can meet the requirements and appearance is excellent while weight is dropped U.S., reduces material utilization amount, mitigates weight, advantageously reduces cost of manufacture and driving oil consumption.

Brief description of the drawings

Fig. 1 is the adjustment arm arm body schematic diagram of the prior art.

Fig. 2 is the adjustment arm arm body left view of the prior art.

Fig. 3 is the schematic diagram that a kind of lightweight of the utility model adjusts a preferred embodiment of arm arm body.

Fig. 4 is the profile that a kind of lightweight of the utility model adjusts a preferred embodiment of arm arm body.

Illustrate：

1- rocking arms, 2- joint arms, 3- straight-arms, 4- mounting portions, 5- grooves one, 6- grooves two, 7- through holes, 8- mounting holes.

Embodiment

In order to be further understood that the content of the invention of the utility model, below in conjunction with specific embodiment to the utility model It is described in more detail, embodiment only has exemplary effect to the utility model, without the effect of any restrictions； The insubstantial modifications that any those skilled in the art make on the basis of the utility model, should all belong to the utility model guarantor The scope of shield.

Embodiment 1

As shown in Figure 3 and Figure 4, a kind of lightweight adjustment arm arm body, including the regulating arm of interconnection and mounting portion 4, institute Stating regulating arm includes sequentially connected rocking arm 1, joint arm 2 and straight-arm 3, and the mounting portion 4 includes 7 He of through hole being connected with each other Mounting hole 8, the straight-arm 3 are connected with through hole 7, in the joint arm 2 and the right side opening fluted 1 of straight-arm 3, the groove One 5 lower parts extend to mounting portion 4, and the left side of the joint arm 2 and straight-arm 3 is provided with groove 26, and 26 lower part of groove is prolonged Mounting portion 4 is extended, 4 lower shape of mounting portion is engaged with regulating arm cover board shape.Adjusted with the tradition shown in Fig. 1 and Fig. 2 Whole arm arm body is compared, and the setting of groove 1 and groove 26 substantially saves materials.

In the present embodiment, the joint arm 2 is in bending, and the rocking arm 1 is connected with the dislocation of straight-arm 3.

In the present embodiment, the groove 1 is engaged with the shape of 4 junction of mounting portion with 7 shape of through hole.

In the present embodiment, the groove 26 is engaged with the shape of 4 junction of mounting portion with 7 shape of through hole.

In the present embodiment, the adjustment arm arm body is made of QT500 materials, compared to the tradition shown in Fig. 1 and Fig. 2 Arm arm body is adjusted, the adjustment arm arm body in the present embodiment has the loss of weight advantage of 0.45Kg.

In the present embodiment, the rocking arm 1 is connected with automobile component.

In the present embodiment, worm screw and worm screw pressing device are set in affiliated through hole 7.

In the present embodiment, worm gear and gap control device are set in the mounting hole 8.

In the present embodiment, the worm gear is arranged vertically with the worm screw and is intermeshed in adjustment arm arm body, described The cylindrical interference fit of the internal splined hole of worm screw and the worm shaft.

In the present embodiment, cover board is set outside the mounting hole 8, and the cover board is by welding or being connected by screw peace In dress portion 4.

In the present embodiment, 4 lower part of mounting portion sets semi-circular projection, and the protuberance is connected with the cover screw Portion's shape matches.

In the present embodiment, setting direction arrow on the joint arm 2.

Structure and moulding of the present embodiment by varying adjustment arm arm body, so that the overall weight of adjustment arm assembly is reduced, Make vehicle that there is the weight-space of bigger, improve adjustment arm its usage economy.The adjustment arm arm body of the present embodiment passes through material Optimization, more than QT500 is brought up to by material selection, and since centre-to-centre spacing and offset are different, general structure can reach every The loss of weight advantage of more than 0.3Kg, ensure that its intensity can meet the requirements and attractive appearance, reduction material are used while weight is dropped Amount, mitigates weight, advantageously reduces cost of manufacture and driving oil consumption.

Embodiment 2

Embodiment 2 is similar to Example 1, the difference is that the adjustment arm arm body in embodiment 2 is only provided with groove 1 With groove 26, the adjustment arm arm body is made of QT500 materials, and arm arm body is adjusted compared to the tradition shown in Fig. 1 and Fig. 2, Adjustment arm arm body in the present embodiment has the loss of weight advantage of 0.38Kg.

Embodiment 3

Embodiment 3 is similar to Example 1, the difference is that the adjustment arm arm body in embodiment 3 is only provided with groove 1, The adjustment arm arm body is made of QT550 materials, arm arm body is adjusted compared to the tradition shown in Fig. 1 and Fig. 2, in the present embodiment Adjustment arm arm body have the loss of weight advantage of 0.3Kg.

Embodiment 4

Embodiment 4 is similar to Example 1, the difference is that 4 lower shape of adjustment arm arm body mounting portion in embodiment 4 It is engaged with regulating arm cover board shape, compared to Figure 1,4 lower part materials of mounting portion save a circle, and the adjustment arm arm body uses QT500 materials make, and compared to the tradition adjustment arm arm body shown in Fig. 1, the adjustment arm arm body in the present embodiment has subtracting for 0.3Kg Weight advantage.

Although the utility model, those skilled in the art has shown and described referring particularly to its preferred embodiment It is appreciated that the various changes that can be made in form and details are new without departing from this practicality described in the appended claims The scope of type.It is described in detail above in association with specific embodiment of the utility model, but is not the limit to the utility model System.Every foundation the technical essence of the utility model still falls within this practicality to any simple modification made for any of the above embodiments The scope of new technique scheme.

Claims (12)

1. a kind of lightweight adjusts arm arm body, include the regulating arm and mounting portion of interconnection（4）, the regulating arm is including successively The rocking arm of connection（1）, joint arm（2）And straight-arm（3）, the mounting portion（4）Through hole including interconnection（7）And mounting hole （8）, the straight-arm（3）With through hole（7）Connection, it is characterised in that：

In the joint arm（2）And straight-arm（3）Right side opening fluted one（5）, the groove one（5）Lower part extends to mounting portion （4）,

And/or the joint arm（2）And straight-arm（3）Left side be provided with groove two（6）, the groove two（6）Lower part extends to Mounting portion（4）,

And/or the mounting portion（4）Lower shape is engaged with regulating arm cover board shape.

2. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The joint arm（2）In bending, institute State rocking arm（1）With straight-arm（3）Dislocation connection.

3. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The groove one（5）With mounting portion（4） The shape and through hole of junction（7）Shape is engaged.

4. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The groove two（6）With mounting portion（4） The shape and through hole of junction（7）Shape is engaged.

5. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The adjustment arm arm body uses QT500 And the ductile cast iron material of the above makes.

6. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The rocking arm（1）Connect with automobile component Connect.

7. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：Affiliated through hole（7）Interior setting worm screw And worm screw pressing device.

8. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The mounting hole（8）Interior setting worm gear And gap control device.

9. the lightweight adjustment arm arm body according to claim 7 or 8, it is characterised in that：The worm gear hangs down with the worm screw It is straight to arrange and be intermeshed in adjustment arm arm body, the cylindrical interference fit of the internal splined hole of the worm screw and the worm shaft.

10. lightweight according to claim 8 adjusts arm arm body, it is characterised in that：The mounting hole（8）It is outer that lid is set Plate, the cover board is by welding or being connected by screw mounting portion（4）On.

11. lightweight according to claim 10 adjusts arm arm body, it is characterised in that：Mounting portion（4）Lower part sets semicircle Shape protuberance, the protuberance match with the cover screw connecting portion shape.

12. lightweight according to claim 1 adjusts arm arm body, it is characterised in that：The joint arm（2）Upper setting direction Arrow.