CN209176463U - Muscle frid spring - Google Patents

Abstract

The utility model discloses an effective reinforcement frid springs, the first reed being sequentially stacked, the both ends of second reed and third reed are provided with clamp, the lower surface of first reed is provided with the first concave part, the upper surface of second reed is correspondingly arranged on the first convex ribs, the lower surface of second reed is provided with the second concave part, the upper surface of third reed is correspondingly arranged on the second convex ribs, fixing piece includes bottom plate, riser and top plate, the upper surface of bottom plate is provided with third convex ribs, the lower surface of third reed is correspondingly arranged on third concave part, the lower surface of top plate is provided with the 4th convex ribs, the upper surface of first reed is correspondingly arranged on the 4th concave part, first reed, second reed, the center of third reed and top plate is provided with for the perforative strip gab of riser, fastening is provided between the fixed side panel and riser of the two sides of the strip gab of top plate Mechanism.Muscle frid spring provided by the utility model, fixation between each leaf spring, lateral stressed intensity increase.

Description

Muscle frid spring

Technical field

The utility model relates to technical field of automobile parts, and in particular to an effective reinforcement frid spring.

Background technique

Leaf springs of car is elastic element most traditional in automobile suspension system, and due to its good reliability, structure is simple, manufactures The advantages that process flow is short, at low cost and structure can greatly simplify, to be widely used.Leaf springs of car be usually by If the alloy spring steel of dry plate Length discrepancy, which is composed one group, is similar to equal strength spring beam, in suspension systems in addition to playing buffering Effect is outer, additionally it is possible to play the role of guiding, the vibration of vehicle body is promoted to decay.

With the rapid development of the automotive industry, higher and higher to the requirement of automotive light weight technology, the lightweight of automobile be exactly Under the premise of the intensity and security performance that guarantee automobile, the kerb weight of automobile is reduced as much as possible, to improve the dynamic of automobile Power reduces fuel consumption, reduces exhaust pollution, and same carrying replaces multiple-leaf spring that can mitigate the 50% of leaf spring self weight with few leaf spring Left and right；So few leaf spring can have been more and more widely used under automotive light weight technology requirement, few leaf spring one in the prior art As be fixed using clamp, clamp is fixed on the both ends of few leaf spring, and this structure lateral stiffness in motor turning is insufficient, holds Easily cause that clamp fractures or horizontal bolt nut falls off, in addition drill point hoop hole stress in clamp piece end is concentrated, and is easy to appear here Fracture.

Utility model content

The purpose of the utility model is to provide an effective reinforcement frid springs, to solve above-mentioned shortcoming in the prior art.

To achieve the goals above, the utility model provides the following technical solutions:

One effective reinforcement frid spring, including the first reed, the second reed and third reed being sequentially stacked, first reed, Second reed is mutually fixed with the both ends of third reed by clamp, and it is recessed that the lower surface at first reed both ends is provided with first Groove portion, the upper surface of second reed are provided with the first convex ribs, and first convex ribs and first concave part are correspondingly arranged, The lower surface of second reed is provided with the second concave part, and second concave part includes multiple strip grooves, the bar shaped Groove is arranged along second length of spring leaf direction interval, and the upper surface of the third reed is provided with multiple second convex ribs, more A second convex ribs are arranged in a one-to-one correspondence with the strip groove；It further include fixing piece, the fixing piece includes bottom plate, riser And top plate, the riser are fixed on the middle position of the bottom plate, and the upper surface of the bottom plate is provided with third convex ribs, and described The lower surface of three reeds is provided with third concave part, and the third concave part is correspondingly arranged with the third convex ribs, the top plate Lower surface be provided with the 4th convex ribs, the upper surface of first reed is provided with the 4th concave part, the 4th convex ribs and institute The 4th concave part is stated to be correspondingly arranged, first reed, the second reed, third reed and top plate center be provided with confession The perforative strip gab of riser, the strip gab is along the length side of first reed, the second reed and third reed To setting, the two sides of the strip gab of the top plate are provided with fixed side panel, are arranged between the fixed side panel and the riser There is retention mechanism.

Above-mentioned muscle frid spring, first concave part include spaced three strip grooves, the first convex ribs packet Three bar shaped convex ribs being correspondingly arranged are included, the bar shaped convex ribs can be correspondingly embedded in the strip groove.

Above-mentioned muscle frid spring, the third concave part include setting square groove, and the two sides of the strip gab are all provided with Multiple square grooves are equipped with, multiple square grooves are arranged along the length direction of the third reed；The third convex ribs packet Multiple rectangular convex ribs are included, the rectangular convex ribs are arranged in a one-to-one correspondence with the square groove.

Above-mentioned muscle frid spring, the 4th concave part includes multiple strip-shaped grooves, and multiple strip-shaped grooves are along interval The two sides of the strip gab are set；4th convex ribs include multiple strip convex ribs, the strip convex ribs with it is described Strip-shaped groove is arranged in a one-to-one correspondence.

Above-mentioned muscle frid spring, the retention mechanism includes fixing screws, and the first screw thread is provided on the fixed side panel Hole is provided with the second threaded hole, first threaded hole and the coaxial arrangement of the second threaded hole on the riser；Second screw thread Hole has multiple, and multiple second threaded holes are arranged at intervals on along the vertical direction on the riser.

Above-mentioned muscle frid spring, the fixed side panel is provided with the first sawtooth portion on the side of the riser, described The second sawtooth portion is correspondingly arranged on the two sides of riser.

In the above-mentioned technical solutions, muscle frid spring provided by the utility model, including be sequentially stacked the first reed, second Reed and third reed, the first reed, the second reed and the both ends of third reed are mutually fixed by clamp, the upper table of the first reed Face and lower surface are respectively arranged with the 4th concave part and the first concave part, and the upper and lower surfaces of the second reed are respectively arranged with The second convex ribs and third concave part are respectively set in first convex ribs and the second concave part, the upper and lower surfaces of third reed, Gu The upper surface for determining the bottom plate of part is provided with third convex ribs, and the lower surface of top plate is provided with the 4th convex ribs, passes through clamp and fixing piece After being fixed to the first reed, the second reed and third reed, the first convex ribs, the second convex ribs, third convex ribs and the 4th convex ribs point It is not matched with the first concave part, the second concave part, third concave part and the 4th concave part, so that the first reed, the second reed It with third reed fixation, bears lateral stressed intensity and increases, and top plate, the first reed, the second reed, third reed and bottom Plate can be realized lateral stress effect, it is therefore prevented that the transverse shifting of reed, and since the first concave part and the 4th concave part are set The different location in the first reed is set, the different location of third reed, the first convex ribs are arranged in the second convex ribs and third concave part With the second concave part scattering device on the second reed, so that the first reed, the second reed and each position of third reed are equal It can be realized lateral stress effect, increase whole tightness and bearing capacity, improve the service life of leaf spring.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to record in the utility model Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.

Fig. 1 is the structural schematic diagram of muscle frid spring provided by the embodiment of the utility model；

Fig. 2 is the top view of the first reed provided by the embodiment of the utility model；

Fig. 3 is the bottom view of the first reed provided by the embodiment of the utility model；

Fig. 4 is the bottom view of the second reed provided by the embodiment of the utility model；

Fig. 5 is the structural schematic diagram of fixing piece provided by the embodiment of the utility model.

Description of symbols:

1, the first reed；1.1, the 4th concave part；1.2, the first concave part；1.3, strip groove；2, the second reed；2.1, One convex ribs；2.2, the second concave part；2.3, strip groove；3, third reed；3.1, the second convex ribs；3.2, third concave part；4, Fixing piece；4.1, bottom plate；4.1.1, third convex ribs；4.2, riser；4.3, top plate；4.3.1, the 4th convex ribs；4.4, fixed side panel； 4.5, fixing screws；4.6, the first sawtooth portion；4.7, the second sawtooth portion；5, strip gab；6, clamp；7, grasswort；8, bushing；9, Gasket.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair The utility model is further detailed.

As shown in Figs. 1-5, effective reinforcement frid spring provided by the embodiment of the utility model, including the first reed being sequentially stacked 1, the second reed 2 and third reed 3, the first reed 1, the second reed 2 and the both ends of third reed 3 are mutually fixed by clamp 6, the The lower surface at one reed, 1 both ends is provided with the first concave part 1.2, and the upper surface of the second reed 2 is provided with the first convex ribs 2.1, First convex ribs 2.1 and the first concave part 1.2 are correspondingly arranged, and the lower surface of the second reed 2 is provided with the second concave part 2.2, and second Concave part 2.2 includes multiple strip grooves 2.3, and strip groove 2.3 is arranged along 2 length direction interval of the second reed, third reed 3 Upper surface be provided with multiple second convex ribs 3.1, multiple second convex ribs 3.1 are arranged in a one-to-one correspondence with strip groove 2.3；Further include Fixing piece 4, fixing piece 4 include bottom plate 4.1, riser 4.2 and top plate 4.3, and riser 4.2 is fixed on the middle position of bottom plate 4.1, bottom The upper surface of plate 4.1 is provided with third convex ribs 4.1.1, and the lower surface of third reed 3 is provided with third concave part 3.2, and third is recessed Groove portion 3.2 is correspondingly arranged with third convex ribs 4.1.1, and the lower surface of top plate 4.3 is provided with the 4th convex ribs 4.3.1, the first reed 1 Upper surface is provided with the 4th concave part 1.1, and the 4th convex ribs 4.3.1 and the 4th concave part 1.1 are correspondingly arranged, the first reed 1, second The center of reed 2, third reed 3 and top plate 4.3 is provided with for the perforative strip gab 5 of riser 4.2, strip gab 5 Length direction along the first reed 1, the second reed 2 and third reed 3 is arranged, and the two sides of the strip gab 5 of top plate 4.3 are provided with Fixed side panel 4.4 is provided with retention mechanism between fixed side panel 4.4 and riser 4.2.

Specifically, the both ends of the first reed 1 are provided with grasswort 7, the grasswort 7 at 1 both ends of the first reed can be identical, can also be with Difference, such as one end are set as grasswort 7, and the other end is arranged flat grasswort 7, and the both ends of the second reed 2 and third reed 3 can be set Grasswort 7 is set, can also be not provided with, bushing 8 is provided in grasswort 7, is fixed leaf spring on the car body by bushing 8, the first reed 1, it is sequentially stacked between the second reed 2 and third reed 3, the both ends of the first reed 1, the second reed 2 and third reed 3 are provided with Clamp 6 is fixed the first reed 1, the second reed 2 and third reed 3 by clamp 6, the lower surface setting of the first reed 1 There is the first concave part 1.2, the both ends of the first reed 1 are arranged in the first concave part 1.2, and the first concave part 1.2 can be multiple Shape slot 1.3, arc groove, are also possible to the groove of other shapes, and the upper surface of the second reed 2 is provided with the first convex ribs 2.1, and first Convex ribs 2.1 are correspondingly arranged with the first concave part 1.2, and so when impassioned first reed 1 is mutually stacked with the second reed 2, first is convex Muscle 2.1 is just correspondingly embedded in the inside of the first concave part 1.2, and the lower surface of the second reed 2 is provided with the second concave part 2.2, the Two concave parts 2.2 include multiple strip grooves 2.3, and strip groove 2.3 is arranged along 2 length direction of the second reed, and multiple bar shapeds are recessed Slot 2.3 is arranged at intervals on the lower surface of the second reed 2 along 2 length direction of the second reed, is provided in the upper surface of third reed 3 Multiple second convex ribs 3.1, the second convex ribs 3.1 are arranged in a one-to-one correspondence with strip groove 2.3, are so worked as the first reed 1, the second spring Piece 2 and third reed 3 are stacked and postpone, and the first convex ribs 2.1 are embedded just below in the first concave part 1.2, and the second convex ribs 3.1 are embedded just below In strip groove 2.3, and since the second strip groove 2.3 is along the setting of 2 length direction of the second reed, the second convex ribs 3.1 are along third The setting of 3 length direction of reed, so that the second reed 2 and 3 each position of third reed can be realized lateral power effect, this The height of the first convex ribs 2.1 and the second convex ribs 3.1 in embodiment can decibel and the first concave part 1.2 and strip groove 2.3 Depth it is consistent, can also will be designed to the first convex ribs 2.1 height be greater than the first concave part 1.2 depth, the second convex ribs 3.1 Height be greater than the depth of strip groove 2.3 so that between the first reed 1 and the second reed 2 and the second reed 2 and the There is gap, the settable gasket 9 in gap so avoids the first reed 1, the second reed 2 and third reed between three reeds 3 Phase mutual friction damages between 3.

In the present embodiment, it is additionally provided with fixing piece 4, by fixing piece 4 and clamp 6 to the first reed 1,2 and of the second reed Third reed 3 is fixed, and fixing piece 4 includes bottom plate 4.1, riser 4.2 and top plate 4.3, and riser 4.2 is fixed on bottom plate 4.1 Middle position can be welding between riser 4.2 and bottom plate 4.1, be also possible to be spirally connected or other connection types, riser 4.2 It can also be integral structure between bottom plate 4.1, the upper surface of bottom plate 4.1 is provided with third convex ribs 4.1.1, the second reed 2 Lower surface be provided with third concave part 3.2, third convex ribs 4.1.1 and third concave part 3.2 are correspondingly arranged, so when by solid When determining part 4 first reed 1, the second reed 2 and third reed 3 being fixed, third convex ribs 4.1.1 is embedded just below third groove Inside portion 3.2, the lower surface of top plate 4.3 is provided with the 4th convex ribs 4.3.1, the upper surface of the first reed 1 is provided with the 4th Concave part 1.1, the 4th convex ribs 4.3.1 and the 4th concave part 1.1 are correspondingly arranged, the first reed 1, the second reed 2, third reed 3 It is provided with strip gab 5 with the center of top plate 4.3, strip gab 5 is along the first reed 1, the second reed 2 and third reed The setting of 3 length directions, so increases riser 4.2 and the first reed 1, the contact of the second reed 2 and third reed 3 along its length Area increases the effect of lateral stress effect, the two sides of the strip gab 5 of top plate 4.3 is provided with fixed side panel 4.4, fixed Side plate 4.4 is arranged in parallel with riser 4.2, is provided with retention mechanism between fixed side panel 4.4 and riser 4.2, passes through retention mechanism The fixation between top plate 4.3 and riser 4.2 can be achieved, so by top plate 4.3, bottom plate 4.1 and riser 4.2 to the first reed 1, Second reed 2 and third reed 3 are fixed, and after the first reed 1, the second reed 2 and third reed 3 is stacked, then lead to After clamp 6 and fixing piece 4 are crossed to the fixation of the first reed 1, the second reed 2 and third reed 3, the first convex ribs 2.1, the second convex ribs 3.1, third convex ribs 4.1.1 and the 4th convex ribs 4.3.1 respectively with the first concave part 1.2, the second concave part 2.2, third concave part 3.2 and the 4th concave part 1.1 match so that top plate 4.3, the first reed 1, the second reed 2, third reed 3 and bottom plate 4.1 are equal It can be realized lateral stress effect, effectively avoid only realizing lateral stress effect when motor turning to clamp 6 and leading to clamp 6 The case where fracture, and since the different location of the first reed 1 is arranged in the first concave part 1.2 and the 4th concave part 1.1, second is convex The different location of third reed 3, the first convex ribs 2.1 and the dispersion of the second concave part 2.2 is arranged in muscle 3.1 and third concave part 3.2 It is arranged on the second reed 2, so that the first reed 1, the second reed 2 and third reed 3 can be realized lateral stress work With increasing whole tightness.

Muscle frid spring provided by the embodiment of the utility model, including the first reed 1, the second reed 2 and being sequentially stacked Three reeds 3, the first reed 1, the second reed 2 and the both ends of third reed 3 are mutually fixed by clamp 6, the upper surface of the first reed 1 The 4th concave part 1.1 and the first concave part 1.2, the upper and lower surfaces difference of the second reed 2 are respectively arranged with lower surface The first convex ribs 2.1 and the second concave part 2.2 are provided with, the second convex ribs 3.1 are respectively set in the upper and lower surfaces of third reed 3 With third concave part 3.2, the upper surface of the bottom plate 4.1 of fixing piece 4 is provided with third convex ribs 4.1.1, and the lower surface of top plate 4.3 is set It is equipped with the 4th convex ribs 4.3.1, after being fixed to the first reed 1, the second reed 2 and third reed 3 by clamp 6 and fixing piece 4, First convex ribs 2.1, the second convex ribs 3.1, third convex ribs 4.1.1 and the 4th convex ribs 4.3.1 respectively with the first concave part 1.2, second Concave part 2.2, third concave part 3.2 and the 4th concave part 1.1 match, so that making the first reed 1, the second reed 2 and Three reeds, 3 fixation is born lateral stressed intensity and is increased, and top plate 4.3, the first reed 1, the second reed 2, third reed 3 It can be realized lateral stress effect with bottom plate 4.1, it is therefore prevented that the transverse shifting of reed, and due to the first concave part 1.2 and the The different location of the first reed 1 is arranged in four concave parts 1.1, and the second convex ribs 3.1 and third concave part 3.2 are arranged in third reed 3 different location, the first convex ribs 2.1 and 2.2 scattering device of the second concave part are on the second reed 2, so that the first reed 1, the second reed 2 and each position of third reed 3 can be realized lateral stress effect, increase whole tightness and pressure-bearing energy Power improves the service life of leaf spring.

In the present embodiment, it is preferred that the first concave part 1.2 includes spaced three strip grooves 1.3, the first convex ribs 2.1 include three bar shaped convex ribs being correspondingly arranged, and bar shaped convex ribs can be correspondingly embedded in strip groove 1.3；Three strip grooves 1.3 are dispersed It is arranged at intervals on the lower surface of the first reed 1, the size and shape and strip groove 1.3 of bar shaped convex ribs are consistent, so work as first When reed 1 is mutually stacked with the second reed 2, first convex ribs 2.1 at 2 both ends of the second reed are embedded just below to 1 both ends of the first reed In first concave part 1.2.

In the present embodiment, it is preferred that third concave part 3.2 includes the square groove that 5 two sides of strip gab are arranged in, bar shaped The two sides of opening 5 are provided with multiple square grooves, and multiple square grooves are arranged along the length direction of third reed 3；Third is convex Muscle 4.1.1 includes multiple rectangular convex ribs, and rectangular convex ribs are arranged in a one-to-one correspondence with square groove.When by fixing piece 4 to the first spring After piece 1, the second reed 2 and third reed 3 are fixed, the rectangular convex ribs on bottom plate 4.1 are corresponded in insertion square groove Portion is matched by third convex ribs 4.1.1 and third concave part 3.2 and the second convex ribs 3.1 and the second concave part 2.2, so that Second reed 2 and bottom plate 4.1 realize the effect of cross force to 3 different location of third reed, so increase by 3 entirety of third reed and hold By the effect of cross force.

In the present embodiment, it is preferred that the 4th concave part 1.1 includes multiple strip-shaped grooves, and multiple strip-shaped grooves are between Every the two sides that strip gab 5 is arranged in；4th convex ribs 4.3.1 includes multiple strip convex ribs, and strip convex ribs and strip are recessed Slot is arranged in a one-to-one correspondence；After first reed 1, the second reed 2 and third reed 3 are fixed by fixing piece 4, top plate Strip convex ribs on 4.3 correspond inside insertion strip-shaped groove, pass through the 4th convex ribs 4.3.1 and the 4th concave part 1.1 And first convex ribs 2.1 and the first concave part 1.2 match so that the second reed 2 and top plate 4.3 are to the different positions of the first reed 1 The effect for realizing cross force is set, the whole effect for bearing cross force of the first reed 1 is so increased.

In the present embodiment, it is preferred that retention mechanism includes fixing screws 4.5, and the first screw thread is provided on fixed side panel 4.4 Hole is provided with the second threaded hole, the first threaded hole and the coaxial arrangement of the second threaded hole on riser 4.2；Second threaded hole have it is multiple, Multiple second threaded holes are arranged at intervals on along the vertical direction on riser 4.2；Fixed side panel 4.4 is set on the side of riser 4.2 It is equipped with the first sawtooth portion 4.6, the second sawtooth portion 4.7 is correspondingly arranged on the two sides of riser 4.2；First sawtooth portion 4.6 is along perpendicular To being arranged on the side of fixed side panel 4.4, the second sawtooth portion 4.7 is arranged histogram along 4.2 side vertical direction of riser, the first saw Can be mutually engaged between teeth portion 4.6 and the second sawtooth portion 4.7, when by top plate 4.3 adjust suitable position after, by fixing screws 4.5, First threaded hole and the second threaded hole will be fixed between fixed side panel 4.4 and riser 4.2, at this time 4.6 He of the first sawtooth portion The occlusion of second sawtooth portion, 4.7 phase prevents appearance position between fixed side panel 4.4 and riser 4.2 from deviating.

It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as Limitation to the utility model claims protection scope.

Claims (5)

1. an effective reinforcement frid spring, including the first reed, the second reed and third reed being sequentially stacked, first reed, Two reeds are mutually fixed with the both ends of third reed by clamp, which is characterized in that the lower surface at first reed both ends is all provided with It is equipped with the first concave part, the upper surface of second reed is provided with the first convex ribs, first convex ribs and first groove Portion is correspondingly arranged, and the lower surface of second reed is provided with the second concave part, and second concave part includes that multiple bar shapeds are recessed Slot, the strip groove are arranged along second length of spring leaf direction interval, and the upper surface of the third reed is provided with multiple Second convex ribs, multiple second convex ribs are arranged in a one-to-one correspondence with the strip groove；

It further include fixing piece, the fixing piece includes bottom plate, riser and top plate, and the riser is fixed on the interposition of the bottom plate It sets, the upper surface of the bottom plate is provided with third convex ribs, and the lower surface of the third reed is provided with third concave part, and described Three concave parts are correspondingly arranged with the third convex ribs, and the lower surface of the top plate is provided with the 4th convex ribs, first reed Upper surface is provided with the 4th concave part, and the 4th convex ribs and the 4th concave part are correspondingly arranged, first reed, second The center of reed, third reed and top plate is provided with for the perforative strip gab of the riser, the strip gab edge The length direction of first reed, the second reed and third reed is arranged, and the two sides of the strip gab of the top plate are provided with Fixed side panel is provided with retention mechanism between the fixed side panel and the riser.

2. muscle frid spring according to claim 1, which is characterized in that first concave part includes spaced three Strip groove, first convex ribs include three bar shaped convex ribs being correspondingly arranged, and the bar shaped convex ribs can be correspondingly embedded in the bar shaped In slot.

3. muscle frid spring according to claim 1, which is characterized in that the third concave part includes square groove, described The two sides of strip gab are provided with multiple square grooves, and multiple square grooves are along the length side of the third reed It is arranged to interval；

The third convex ribs include multiple rectangular convex ribs, and the rectangular convex ribs are arranged in a one-to-one correspondence with the square groove.

4. muscle frid spring according to claim 1, which is characterized in that the 4th concave part includes that multiple strips are recessed Slot, multiple strip-shaped grooves are along the two sides for being arranged at intervals on the strip gab；

4th convex ribs include multiple strip convex ribs, and the strip convex ribs are set with strip-shaped groove one-to-one correspondence It sets.

5. muscle frid spring according to claim 1, which is characterized in that the retention mechanism includes fixing screws, described solid Determine to be provided with the first threaded hole on side plate, the second threaded hole, first threaded hole and the second screw thread are provided on the riser Hole coaxial arrangement；

Second threaded hole has multiple, and multiple second threaded holes are arranged at intervals on along the vertical direction on the riser.