CN213039723U

CN213039723U - Rounded noise reduction automobile leaf spring assembly

Info

Publication number: CN213039723U
Application number: CN202022083643.0U
Authority: CN
Inventors: 张周智
Original assignee: Jiangxi Hongli Auto Parts Co ltd
Current assignee: Jiangxi Hongli Auto Parts Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-23
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to an automobile leaf spring technical field just discloses an automobile leaf spring assembly of making an uproar falls in radius angle, including top spring board, the bottom of top spring board is provided with first spring leaf, second spring leaf and third spring leaf, the equal fixedly connected with joint piece in the left and right sides of top spring board bottom, two plug-in blocks of the equal fixedly connected with in the left and right sides at first spring leaf top. The utility model discloses a, there are two wear pads through the joint between top spring plate and first spring leaf, the wear pad can play noise control effect, two cushions of making an uproar that fall have all been laid at the top of first spring leaf, second spring leaf and third spring leaf, make the device rock the in-process at the shock attenuation, can play the supporting role by the cushion of making an uproar that falls, be difficult for producing the friction each other, and then make the noise reduction effect of device better relatively, during the vibrations shock attenuation, the noise is less relatively, the better purpose of noise reduction effect relatively.

Description

Rounded noise reduction automobile leaf spring assembly

Technical Field

The utility model relates to an automobile leaf spring technical field specifically is a noise car leaf spring assembly falls in radius angle.

Background

The suspension is one of the main assemblies of modern automobile, it connects the frame and the axle elastically, the main task is to transmit all forces and moments between the wheel and the frame, to relax the impact load transmitted by the frame from uneven road, to damp the vibration of the bearing system caused by the impact load, to ensure the normal running of the automobile, the steel plate spring is the elastic element used in the automobile suspension at first.

The elastic element is used as an important component of the suspension and comprises a plurality of shapes and structures, the steel plate spring is the elastic element which is most widely applied, influences the smoothness and safety of automobile running and is one of the key parts of the modern whole automobile, but in the actual use process, the steel plate spring can generate larger noise due to mutual friction in the damping process, so that the abnormal sound of the device is larger during vibration, the damping and silencing effects of the device are relatively poor, and the fillet noise reduction automobile steel plate spring assembly is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a car leaf spring assembly of making an uproar falls in radius angle possesses when vibrations shock attenuation, and the noise is less relatively, and noise reduction effect advantage such as better relatively has solved leaf spring at the shock attenuation in-process, probably because mutual friction produces great noise, makes the device abnormal sound great when vibrations, the problem that the shock attenuation noise cancelling effect of device is not good enough relatively.

(II) technical scheme

For realize the aforesaid when vibrations shock attenuation, the noise is less relatively, the better purpose of noise reduction effect relatively, the utility model provides a following technical scheme: a fillet noise-reducing automobile leaf spring assembly comprises a top spring plate, wherein a first spring piece, a second spring piece and a third spring piece are arranged at the bottom of the top spring plate, clamping blocks are fixedly connected to the left side and the right side of the bottom of the top spring plate, two inserting blocks are fixedly connected to the left side and the right side of the top of the first spring piece, wear-resistant pads are contacted with the left side and the right side of the bottom of the top spring plate, positioning ports are formed in the tops of the two wear-resistant pads, the bottoms of the two clamping blocks are respectively inserted into the two positioning ports, two mounting holes are formed in the bottoms of the two wear-resistant pads, the four inserting blocks are respectively inserted into the four mounting holes, the bottoms of the two wear-resistant pads are respectively placed on the left side and the right side of the top of the first spring piece, and noise-reducing cushion blocks are respectively installed on the left side and the right, four the top of falling the cushion of making an uproar respectively with the left and right sides joint of first spring leaf and second spring leaf bottom, the left and right sides of top spring board all is provided with the radius ear and rolls up, the left and right sides of top spring board all is equipped with the location clamp, two the left and right sides of third spring leaf is located to the location clamp cover.

Preferably, the first spring piece, the second spring piece and the third spring piece are arranged from top to bottom in sequence, and the lengths of the first spring piece, the second spring piece and the third spring piece are shortened from top to bottom in sequence.

Preferably, the top spring plate, the first spring piece, the second spring piece and the third spring piece are inserted into integrally formed positioning bolts, and the wear-resistant pad is made of rubber.

Preferably, the location clamp includes two U font clamps, two the left and right sides of third spring leaf is located to U font clamp cover, the inside threaded connection of U font clamp has the locating lever, two the locating lever joint is to the left and right sides at top spring board top.

Preferably, four the cushion of making an uproar all includes the noise control pad, four two installing ports have all been seted up to the bottom of noise control pad, the location opening has been seted up at the top of noise control pad, the equal fixedly connected with locating piece in the left and right sides of top spring leaf bottom, two installation pieces of the equal fixedly connected with in the left and right sides at first spring leaf and third spring leaf top, four the bottom of locating piece is inserted to four location open-ended insides respectively, eight the top of installation piece is inserted to the inside of eight installing ports respectively.

Preferably, two sound absorption pads are bonded to the bottoms of the U-shaped clamp and the positioning rod, the sound absorption pads are filled between the top spring plate and the positioning rod, and the sound absorption pads are filled between the U-shaped clamp and the third spring piece.

Preferably, the bottom of top spring plate, first spring leaf and second spring leaf has all laid the supporting pad, and is three the bottom of supporting pad contacts with the top of first spring leaf, second spring leaf and third spring leaf respectively, positioning bolt pegs graft in the middle part of three supporting pad.

(III) advantageous effects

Compared with the prior art, the utility model provides a noise car leaf spring assembly of making an uproar falls in radius angle possesses following beneficial effect:

1. this rounding off makes an uproar car leaf spring assembly falls, through be provided with first spring leaf bottom the top spring plate, second spring leaf and third spring leaf, thereby when vibrations, rigidity is better, vibrations have better shock attenuation effect when taking place, and the joint has two wear pads between top spring plate and the first spring leaf, the wear pad can play noise control effect, first spring leaf, two pads of making an uproar fall have all been laid at the top of second spring leaf and third spring leaf, make the device rock the in-process at the shock attenuation, can play the supporting role by the pad of making an uproar falls, be difficult for producing the friction each other, and then make the noise reduction effect of device relatively better, during the vibrations shock attenuation, the noise is relatively less, the relatively better purpose of noise reduction effect.

2. This car leaf spring assembly of making an uproar falls in radius angle, through arranging in proper order from top to bottom at first spring leaf, second spring leaf and third spring leaf, and shorten in proper order from top to bottom, make the elastic stiffness of device, can be by the size of vibrations, produce different efficiency ability, the gradual change rigidity of device is effectual.

3. This car leaf spring assembly of making an uproar falls in radius angle is pegged graft through the middle part of top spring plate, first spring leaf, second spring leaf and third spring leaf and is had integrated into one piece's positioning bolt, makes positioning bolt can play the fixed effect in location to the device, makes the device difficult emergence skew scheduling problem after vibrations take place, and the shock attenuation effect of device is comparatively stable relatively.

4. This noise car leaf spring assembly of making an uproar falls in radius angle includes two U font clamps and a locating lever through setting up the location clamp, can carry out the position sleeve to top spring plate, first spring leaf, second spring leaf and third spring leaf and establish, and the locating lever can stably be located the top of top spring plate.

5. This rounding off makes an uproar car leaf spring assembly of falling, fall the cushion of making an uproar through setting up and all include the noise control pad, installing port and location opening, make first spring leaf, second spring leaf and third spring leaf top fixed connection's installation piece, can peg graft in the installing port, and top spring plate, the locating piece of first spring leaf and second spring leaf bottom installation, can peg graft in the location opening, and then make the noise control pad can stabilize the joint, the device takes place in vibrations, when playing the cushioning effect, the noise emergence noise is difficult for rubbing, the noise reduction effect of device is relatively better.

6. This car leaf spring assembly of making an uproar falls in radius angle has all bonded the sound absorbing pad through the bottom at U font clamp inboard and the bottom of locating lever, makes two sound absorbing pads can support U font clamp and third spring leaf respectively, has further increased the noise absorbing capacity of making an uproar of falling of device.

7. This rounding off makes an uproar automobile leaf spring assembly falls all lays the supporting pad through the bottom at top spring plate, first spring leaf and second spring leaf, makes the supporting pad can play the foreshadowing effect, and then makes positioning bolt in the location installation, and the supporting box in the device is relatively stable, and the supporting effect is better, difficult emergence fracture scheduling problem when vibrations.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a portion B in fig. 1 according to the present invention.

In the figure: 1. a top spring plate; 2. a first spring plate; 3. a second spring plate; 4. a third spring plate; 5. a clamping block; 6. an insertion block; 7. a wear pad; 8. positioning the opening; 9. mounting holes; 10. a noise reduction cushion block; 101. a noise-proof pad; 102. an installation port; 103. positioning the opening; 11. rounding the lug rolls; 12. positioning a clamp; 121. a U-shaped hoop; 122. positioning a rod; 13. positioning blocks; 14. mounting blocks; 15. a sound absorbing pad; 16. a support pad; 17. and (6) positioning the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a rounded corner noise reduction automobile leaf spring assembly comprises a top spring plate 1, a first spring leaf 2, a second spring leaf 3 and a third spring leaf 4 are arranged at the bottom of the top spring plate 1, clamping blocks 5 are fixedly connected to the left and right sides of the bottom of the top spring plate 1, two insertion blocks 6 are fixedly connected to the left and right sides of the top of the first spring leaf 2, wear pads 7 are contacted with the left and right sides of the bottom of the top spring plate 1, positioning openings 8 are formed at the tops of the two wear pads 7, the bottoms of the two clamping blocks 5 are respectively inserted into the two positioning openings 8, two mounting holes 9 are formed at the bottoms of the two wear pads 7, the four insertion blocks 6 are respectively inserted into the four mounting holes 9, the bottoms of the two wear pads 7 are respectively arranged at the left and right sides of the top of the first spring leaf 2, and insertion cushion blocks 10 are respectively mounted at the left and right sides of the tops of the second spring leaf 3 and the third, the tops of the four noise reduction cushion blocks 10 are respectively clamped with the left side and the right side of the bottoms of the first spring piece 2 and the second spring piece 3, the left side and the right side of the top spring plate 1 are respectively provided with an inverted fillet ear coil 11, the left side and the right side of the top spring plate 1 are respectively sleeved with a positioning clamp 12, and the left side and the right side of the third spring piece 4 are sleeved with the two positioning clamps 12;

in this embodiment, through being provided with first spring leaf 2 in top spring plate 1 bottom, second spring leaf 3 and third spring leaf 4, thereby when vibrations, rigidity is better, vibrations have better shock attenuation effect when taking place, and the joint has two wear pads 7 between top spring plate 1 and the first spring leaf 2, wear pad 7 can play noise control effect, first spring leaf 2, two fall the cushion 10 of making an uproar have all been laid at the top of second spring leaf 3 and third spring leaf 4, make the device rock the in-process in the shock attenuation, can play the supporting role by falling the cushion 10 of making an uproar, be difficult for producing the friction each other, and then make the noise reduction effect of device relatively better, during the vibrations shock attenuation, the noise is relatively less, the relatively better purpose of noise reduction effect.

Further, the first spring piece 2, the second spring piece 3 and the third spring piece 4 are sequentially arranged from top to bottom, and the lengths of the first spring piece 2, the second spring piece 3 and the third spring piece 4 are sequentially shortened from top to bottom;

in this embodiment, the first spring plate 2, the second spring plate 3 and the third spring plate 4 are sequentially arranged from top to bottom and sequentially shortened from top to bottom, so that the elastic stiffness of the device can be changed according to the magnitude of the vibration to generate different effectiveness capabilities, and the gradual stiffness of the device is good.

Furthermore, the middle parts of the top spring plate 1, the first spring piece 2, the second spring piece 3 and the third spring piece 4 are inserted with integrally formed positioning bolts 17, and the wear-resistant pad 7 is made of rubber;

in this embodiment, the positioning bolt 17 integrally formed is inserted into the middle of the top spring plate 1, the first spring piece 2, the second spring piece 3 and the third spring piece 4, so that the positioning bolt 17 can fix the device, the device is not prone to shift and incline after vibration occurs, and the damping effect of the device is relatively stable.

Further, the positioning clamp 12 comprises two U-shaped clamps 121, the two U-shaped clamps 121 are sleeved on the left side and the right side of the third spring plate 4, the positioning rods 122 are connected to the inner threads of the U-shaped clamps 121, and the two positioning rods 122 are clamped to the left side and the right side of the top spring plate 1;

in this embodiment, the positioning clamp 12 includes two U-shaped clamps 121 and a positioning rod 122, so that the top spring plate 1, the first spring plate 2, the second spring plate 3, and the third spring plate 4 can be positioned and sleeved, and the positioning rod 122 can be stably positioned on the top of the top spring plate 1.

Further, the four noise reduction cushion blocks 10 comprise noise prevention cushions 101, the bottoms of the four noise prevention cushions 101 are respectively provided with two mounting ports 102, the tops of the noise prevention cushions 101 are provided with positioning openings 103, the left and right sides of the bottoms of the top spring plate 1 and the first spring plate 2 are respectively and fixedly connected with positioning blocks 13, the left and right sides of the tops of the first spring plate 2 and the third spring plate 4 are respectively and fixedly connected with two mounting blocks 14, the bottoms of the four positioning blocks 13 are respectively inserted into the four positioning openings 103, and the tops of the eight mounting blocks 14 are respectively inserted into the eight mounting ports 102;

in this embodiment, the noise reduction cushion block 10 is arranged to include the noise reduction pad 101, the mounting opening 102 and the positioning opening 103, so that the mounting block 14 fixedly connected to the tops of the first spring piece 2, the second spring piece 3 and the third spring piece 4 can be inserted into the mounting opening 102, the top spring plate 1, the positioning block 13 mounted at the bottoms of the first spring piece 2 and the second spring piece 3 can be inserted into the positioning opening 103, and the noise reduction pad 101 can be stably clamped, the device is in vibration, when the damping effect is achieved, noise is not easy to rub, and the noise reduction effect of the device is relatively good.

The working principle is as follows: the first spring leaf 2, the second spring leaf 3 and the third spring leaf 4 are arranged at the bottom of the top spring plate 1, so that the rigidity is better during vibration, a better shock absorption effect is achieved during vibration, the two wear-resistant pads 7 are clamped between the top spring plate 1 and the first spring leaf 2, the two wear-resistant pads 7 are positioned by the clamping blocks 5 and the inserting blocks 6, the installation and positioning effects of the device are better, the wear-resistant pads 7 can play a noise prevention effect when the top spring plate 1 and the first spring leaf 2 absorb shock and bear force, the two noise reduction cushion blocks 10 are respectively paved at the tops of the first spring leaf 2, the second spring leaf 3 and the third spring leaf 4, the device can play a bearing role by the noise reduction cushion blocks 10 during shock absorption and shaking, friction is not easily generated between the first spring leaf and the first spring leaf 2, the noise reduction effect of the device is relatively better, and the device can achieve shock absorption, the noise is relatively less, and the better purpose of noise reduction effect has been solved leaf spring and in the shock attenuation process, probably because the mutual friction produces great noise, makes the device abnormal sound great when vibrations, and the shock attenuation noise cancelling effect of device is not enough relatively problem.

Example 2:

the rest of the process is the same as that of the example 1,

further, sound absorption pads 15 are bonded to the bottoms of the two U-shaped hoops 121 and the positioning rod 122, the two sound absorption pads 15 at the top are filled between the top spring plate 1 and the positioning rod 122, and the two sound absorption pads 15 at the bottom are filled between the U-shaped hoops 121 and the third spring plate 4;

in this embodiment, the sound absorbing pads 15 are bonded to the bottom of the inside of the U-shaped clamp 121 and the bottom of the positioning rod 122, so that the two sound absorbing pads 15 can respectively support the U-shaped clamp 121 and the third spring piece 4, thereby further increasing the noise reduction and sound absorption capability of the device.

Furthermore, supporting pads 16 are respectively laid at the bottoms of the top spring plate 1, the first spring piece 2 and the second spring piece 3, the bottoms of the three supporting pads 16 are respectively contacted with the tops of the first spring piece 2, the second spring piece 3 and the third spring piece 4, and a positioning bolt 17 is inserted in the middle of the three supporting pads 16;

in this embodiment, all laid supporting pad 16 through the bottom at top spring plate 1, first spring leaf 2 and second spring leaf 3, made supporting pad 16 can play the foreshadowing effect, and then make positioning bolt 17 when the location installation, the supporting box in the device is relatively stable, and the supporting effect is better, difficult emergence fracture scheduling problem when vibrations.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a noise reduction car leaf spring assembly of rounding, includes top spring plate (1), its characterized in that: the bottom of the top spring plate (1) is provided with a first spring piece (2), a second spring piece (3) and a third spring piece (4), the left side and the right side of the bottom of the top spring plate (1) are fixedly connected with clamping blocks (5), the left side and the right side of the top of the first spring piece (2) are fixedly connected with two inserting blocks (6), the left side and the right side of the bottom of the top spring plate (1) are contacted with wear pads (7), the tops of the two wear pads (7) are provided with positioning holes (8), the bottoms of the two clamping blocks (5) are respectively inserted into the inner parts of the two positioning holes (8), the bottoms of the two wear pads (7) are provided with two mounting holes (9), the four inserting blocks (6) are respectively inserted into the four mounting holes (9), the bottoms of the two wear pads (7) are respectively placed on the left side and the right side of the top of the first spring piece (2), second spring leaf (3) and the left and right sides at third spring leaf (4) top all install to peg graft and fall the cushion (10) of making an uproar, four the top of falling the cushion (10) of making an uproar respectively with the left and right sides joint of first spring leaf (2) and second spring leaf (3) bottom, the left and right sides of top spring board (1) all is provided with radius angle ear and rolls up (11), the left and right sides of top spring board (1) all overlaps and is equipped with location clamp (12), two the left and right sides of third spring leaf (4) is located to location clamp (12) cover.

2. The rounded noise-reducing automobile leaf spring assembly according to claim 1, wherein: the spring is characterized in that the first spring piece (2), the second spring piece (3) and the third spring piece (4) are sequentially arranged from top to bottom, and the lengths of the first spring piece (2), the second spring piece (3) and the third spring piece (4) are sequentially shortened from top to bottom.

3. The rounded noise-reducing automobile leaf spring assembly according to claim 1, wherein: the middle parts of the top spring plate (1), the first spring piece (2), the second spring piece (3) and the third spring piece (4) are inserted with integrally-formed positioning bolts (17), and the wear-resistant pad (7) is made of rubber.

4. The rounded noise-reducing automobile leaf spring assembly according to claim 1, wherein: location clamp (12) include two U font clamps (121), two the left and right sides of third spring leaf (4) is located to U font clamp (121) cover, the inside threaded connection of U font clamp (121) has locating lever (122), two locating lever (122) joint is to the left and right sides at top spring board (1) top.

5. The rounded noise-reducing automobile leaf spring assembly according to claim 1, wherein: four it all includes noise control pad (101), four noise control pad (101) have all been seted up two installing port (102) in the bottom of noise control pad (101), location opening (103) have been seted up at the top of noise control pad (101), the equal fixedly connected with locating piece (13) in the left and right sides of top spring plate (1) and first spring leaf (2) bottom, two installing block (14) of the equal fixedly connected with in the left and right sides at first spring leaf (2) and third spring leaf (4) top, four the bottom of locating piece (13) is pegged graft respectively to the inside of four location openings (103), eight the inside of pegging graft respectively to eight installing port (102) is gone up to the top of installing block (14).

6. The rounded noise-reducing automobile leaf spring assembly according to claim 4, wherein: two sound absorption pads (15) are all bonded to the bottom of the inboard bottom of U font clamp (121) and the bottom of locating lever (122), two at the top sound absorption pad (15) are filled to between top spring plate (1) and locating lever (122), two of bottom sound absorption pad (15) are filled to between U font clamp (121) and third spring leaf (4).

7. The rounded noise-reducing automobile leaf spring assembly according to claim 3, wherein: supporting pads (16) are laid at the bottoms of the top spring plate (1), the first spring piece (2) and the second spring piece (3) respectively, the bottoms of the supporting pads (16) are in contact with the tops of the first spring piece (2), the second spring piece (3) and the third spring piece (4) respectively, and the positioning bolts (17) are inserted in the middle of the three supporting pads (16).