Wear-resistant stabilizer bar bushing

Abstract

The wear-resistant stabilizer bar bushing comprises a rubber bushing core, elastic grooves which are annularly distributed at equal intervals are formed in the inner side of the rubber bushing core, the tops of the elastic grooves penetrate through the outer surface of the rubber bushing core, and ejector rod sliding grooves are formed in the bottoms of the elastic grooves. The lower portion of the ejector rod sliding groove penetrates through the inner wall of the rubber bushing core, a rubber ejector rod slidably penetrates through the inner side of the ejector rod sliding groove, the bottom end of the rubber ejector rod is parallel to the inner wall of the rubber bushing core, the top of the rubber ejector rod slides in the middle of the inner side of an elastic groove in a limited mode, and a push rod spring is arranged above the inner side of the elastic groove. One end of the push rod spring elastically abuts against the outer wall of the rubber ejector rod, the outer side of the rubber bushing core is wrapped with a wrapping ring, and the end, away from the rubber ejector rod, of the push rod spring abuts against the surface of the wrapping ring. The wear degree of the inner wall of the bushing can be reduced, the service life of the bushing is prolonged, and the bushing has sufficient buffering and damping effects all the time.

Description

Technical Field

[0001] The utility model relates to the technical field of stabilizer bar bushings, in particular to a wear-resistant stabilizer bar bushing. Background Art

[0002] The stabilizer bar bushing is a key component in the automobile suspension system. It is mainly used to connect the stabilizer bar to the frame or subframe, and plays the role of support, positioning, buffering, vibration absorption and noise reduction. It allows the stabilizer bar to twist relative to the frame or subframe within a certain range, while limiting its relative movement to ensure the vehicle's handling stability and ride comfort.

[0003] The stabilizer bar bushing is made of rubber or other materials, using the elasticity and friction of the material itself to absorb the force transmitted by the stabilizer bar passing through it, thereby avoiding collision of the stabilizer bar. However, the traditional stabilizer bar bushing uses the inner wall friction to reduce the force transmitted by the stabilizer bar by connecting the inner wall with the stabilizer bar. In this way, when the inner wall of the bushing is rubbed for a long time, a gap will appear between the inner wall of the bushing and the stabilizer bar, causing the stabilizer bar to make noise. At the same time, the service life of this bushing is relatively low and it is relatively easy to be damaged. Therefore, it is urgent to design a wear-resistant stabilizer bar bushing to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a wear-resistant stabilizer bar bushing, in which a plurality of elastic grooves and push rod sliding grooves distributed in an annular manner and at equal intervals are opened inside the rubber bushing core. The elastic sliding of multiple push rods can ensure that the interior of the rubber bushing core always has the function of fitting with the stabilizer bar, thereby improving the fit of the bushing to the stabilizer bar and avoiding noise from the stabilizer bar. At the same time, the abutment between the rubber push rod and the stabilizer bar can reduce the wear of the rubber bushing core and increase the service life of the device.

[0005] The utility model provides a wear-resistant stabilizer bar bushing:

[0006] The rubber bushing core comprises a rubber bushing core, the inner side of which is provided with elastic grooves which are equidistantly distributed in an annular manner, the top of the elastic groove passes through the outer surface of the rubber bushing core, the bottom of the elastic groove is provided with a push rod sliding groove, the lower part of the push rod sliding groove passes through the inner wall of the rubber bushing core, a rubber push rod is slidably penetrated through the inner side of the push rod sliding groove, the bottom end of the rubber push rod is parallel to the inner wall of the rubber bushing core, the top of the rubber push rod is limited and slides in the middle part of the inner side of the elastic groove, a push rod spring is provided above the inner side of the elastic groove, one end of the push rod spring elastically abuts against the outer wall of the rubber push rod, the outer side of the rubber bushing core is covered with a covering ring, and the end of the push rod spring which is away from the rubber push rod abuts against the surface of the covering ring.

[0007] Preferably, one end of the rubber push rod located inside the elastic groove is connected to a limiting block, and the limiting block slides on the inner wall of the elastic groove. One end of the push rod spring connected to the rubber push rod abuts against the outer surface of the limiting block, and the limiting block can prevent the rubber push rod from slipping out of the rubber bushing core.

[0008] Preferably, a recess is provided at the connection position of the covering ring, a protrusion is provided at the relative position of the recess, and triangular clamping blocks are fixed to the outer walls on both sides of the protrusion at equal distances, and alignment clamping columns are fixed to the opposite surfaces of the recess and the protrusion at equal distances, the alignment clamping columns are inserted into the inner side of the protrusion, and the triangular clamping blocks are elastically engaged with the inner wall of the recess. The design of the recess and the protrusion can increase the contact area of ​​the connection position of the covering ring, and the recess and the protrusion are clamped and fixed by the triangular clamping blocks. The alignment clamping columns arranged on the inner wall of the recess can make the end of the protrusion flush with the recess to prevent the protrusion from being pushed outward.

[0009] It should be noted that when the covering ring is connected, when the protrusion is pressed and engaged with the recess, the two ends of the covering ring are abutted by the limiting clamping ring, which can ensure the strength of the connection between the triangular clamping block on the outer wall of the protrusion and the inner wall of the recess.

[0010] Preferably, the rubber bushing core is divided into a left petal and a right petal, and symmetrical limiting clamps are fixed at both ends of the left petal and the right petal. The two-petal design of the rubber bushing core can facilitate the combined connection of the rubber bushing core and the stabilizer bar, and the limiting clamp can limit the position of the rubber bushing core when fixing it.

[0011] Preferably, a fixing frame is provided on the outside of the rubber bushing core, and the fixing frame is sleeved on the outer wall of the rubber bushing core and located between the limiting clamps. An inner core top block is provided inside the fixing frame at a position away from the rubber bushing core. The top of the inner core top block is limitedly clamped between the limiting clamps and fits with the outer surface of the rubber bushing core. The fixing frame can connect and fix the rubber bushing core to the automobile and fix the stabilizer bar connected inside the rubber bushing core. The inner core top block can limit the rubber bushing core during the process of fixing the rubber bushing core.

[0012] Preferably, symmetrical embedded grooves are provided on both sides of the middle part of one end of the fixing frame away from the rubber bushing core, and symmetrical positioning pieces are fixed on both ends of the side of the inner core top block away from the rubber bushing core. The positioning pieces are embedded and engaged in the embedded grooves. The positioning pieces at both ends of the inner core top block can increase the stability of the inner core top block connected to the inside of the fixing frame.

[0013] Compared with the related art, the wear-resistant stabilizer bar bushing provided by the utility model has the following beneficial effects:

[0014] 1. The utility model can increase the fit between the inner wall of the bushing and the stabilizer bar, so that the bushing can always fit on the outer surface of the stabilizer bar after being rubbed during long-term use, reducing the noise caused by the collision between the stabilizer bar and the bushing. At the same time, the elastic force of the rubber push rod pushes it to fit on the outer surface of the stabilizer bar, which can reduce the wear of the inner wall of the bushing, increase the service life of the bushing, and ensure that the bushing always has sufficient buffering and shock-absorbing effects, ensuring the support and positioning of the stabilizer bar by the bushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a wear-resistant stabilizer bar bushing provided by the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the exploded structure shown;

[0017] Figure 3 for Figure 2 The structural schematic diagram of the rubber bushing core shown;

[0018] Figure 4 for Figure 3 The partial structure shown is an enlarged schematic diagram of the cross-section.

[0019] Numbers in the figure: 1. Rubber bushing core; 2. Elastic groove; 3. Push rod slide groove; 4. Rubber push rod; 5. Push rod spring; 6. Covering ring; 7. Limit block; 8. Notch; 9. Protrusion; 10. Triangular block; 11. Alignment column; 12. Fixing frame; 13. Inner core top block; 14. Embedded groove; 15. Positioning piece; 16. Limiting clamp ring; 17. Left petal; 18. Right petal. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0022] Please refer to the attached Figure 1-Figure 4 The utility model provides a wear-resistant stabilizer bar bushing, which includes:

[0023] A rubber bushing core 1 is provided with elastic grooves 2 which are evenly distributed in an annular manner inside the rubber bushing core 1, a push rod slide groove 3 is provided at the bottom of the elastic groove 2, and the upper and lower ends of the elastic groove 2 and the push rod slide groove 3 respectively penetrate the outer wall of the rubber bushing core 1, and the groove sizes between the elastic groove 2 and the push rod slide groove 3 are different.

[0024] A rubber push rod 4 is slidably connected to the inner side of the push rod slide groove 3, the bottom of the rubber push rod 4 is parallel to the inner wall of the rubber bushing core 1, and the top of the rubber push rod 4 is located in the middle of the inner side of the elastic groove 2, and the top of the rubber push rod 4 is connected to a limiting block 7, which slides on the inner surface of the elastic groove 2, and a push rod spring 5 is provided inside the elastic groove 2, which can apply elastic thrust to the rubber push rod 4.

[0025] Through the design of the rubber push rod 4, the rubber bushing core 1 can be used to fit and abut against the stabilizer bar by the rubber push rod 4 pushed by elastic force, which can reduce the friction between the stabilizer bar and the inner surface of the rubber bushing core 1. Although the rubber push rod 4 will be rubbed during long-term use, it can always be pushed by the elastic force to fit the outer surface of the stabilizer bar, ensuring the fit between the stabilizer bar and the bushing, so that the bushing can have the supporting, positioning, buffering, vibration absorbing and noise reduction functions for a long time. At the same time, through the design of the rubber push rod 4 sliding inside the bushing, the volume of the bushing can be maximized to fit and contact with the stabilizer bar, thereby increasing the utilization rate of the bushing's own material and improving the service life of the bushing.

[0026] The rubber bushing core 1 is divided into a left petal 17 and a right petal 18. The design of the left petal 17 and the right petal 18 can facilitate the installation of the rubber bushing core 1 on the stabilizer bar. Symmetrical limiting clamps 16 are connected to both ends of the left petal 17 and the right petal 18. The setting of the limiting clamps 16 can limit the middle of the rubber bushing core 1 during the assembly installation process to prevent the rubber bushing core 1 from falling.

[0027] A covering ring 6 is fitted on the outside of the rubber bushing core 1, which can combine and fix the rubber bushing core 1 divided into a left petal 17 and a right petal 18, and the connection part of the covering ring 6 is divided into a recess 8 and a protrusion 9, which can be quickly spliced ​​through a triangular clamp block 10 and an alignment clamp column 11 to tighten and fix the left petal 17 and the right petal 18.

[0028] A fixing frame 12 is sleeved on the outside of the rubber bushing core 1, and an inner core top block 13 is provided on the side of the fixing frame 12 away from the rubber bushing core 1. The fixing frame 12 can install and fix the rubber bushing core 1, and the inner core top block 13 can squeeze the rubber bushing core 1 by itself during the process of fixing the rubber bushing core 1, thereby improving the firmness of the connection and fixation of the rubber bushing core 1 inside the fixing frame 12.

[0029] Symmetrical positioning pieces 15 are provided at both ends of the inner core top block 13 . The positioning pieces 15 are embedded in the fixing frame 12 . The positioning pieces 15 can improve the connection strength between the inner core top block 13 and the fixing frame 12 .

[0030] Usage process:

[0031] The left petal 17 and the right petal 18 of the rubber bushing core 1 are respectively sleeved on the outside of the stabilizer bar, and then the covering ring 6 is sleeved on the outside of the rubber bushing core 1 to fix the left petal 17 and the right petal 18. Then the fixing frame 12 is sleeved on the outside of the covering ring 6, and the inner core top block 13 is connected to the inner side of the fixing frame 12. The rubber bushing core 1 is supported and fixed, and the fixing frame 12 is connected to the vehicle chassis.

[0032] The device has the ability to maximize the volume utilization of the bushing, achieve multiple wear resistance effects, increase the service life of the bushing, and during use can ensure the support, positioning, buffering, vibration absorption and noise reduction effects of the bushing.

[0033] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A wear-resistant stabilizer bar bushing, characterized in that: The invention comprises a rubber bushing core (1), wherein the inner side of the rubber bushing core (1) is provided with elastic grooves (2) which are equidistantly distributed in an annular manner, the top of the elastic groove (2) passes through the outer surface of the rubber bushing core (1), the bottom of the elastic groove (2) is provided with a push rod sliding groove (3), the lower side of the push rod sliding groove (3) passes through the inner wall of the rubber bushing core (1), a rubber push rod (4) is slidably penetrated inside the push rod sliding groove (3), the bottom end of the rubber push rod (4) is parallel to the inner wall of the rubber bushing core (1), the top of the rubber push rod (4) is limitedly slid in the middle part of the inner side of the elastic groove (2), a push rod spring (5) is provided above the inner side of the elastic groove (2), one end of the push rod spring (5) elastically abuts against the outer wall of the rubber push rod (4), the outer side of the rubber bushing core (1) is covered with a covering ring (6), and the end of the push rod spring (5) which is away from the rubber push rod (4) abuts against the surface of the covering ring (6).

2. The wear-resistant stabilizer bar bushing according to claim 1, characterized in that: One end of the rubber push rod (4) located inside the elastic groove (2) is connected to a limit block (7), and the limit block (7) slides on the inner wall of the elastic groove (2) in a limited manner. One end of the push rod spring (5) connected to the rubber push rod (4) abuts against the outer surface of the limit block (7).

3. The wear-resistant stabilizer bar bushing according to claim 1, characterized in that: A notch (8) is provided at the connection position of the covering ring (6), a convex block (9) is provided at a position opposite to the notch (8), triangular clamping blocks (10) are fixed to the outer walls on both sides of the convex block (9) and are distributed equidistantly, and alignment clamping columns (11) are fixed to the opposite surfaces of the notch (8) and the convex block (9) and are distributed equidistantly, the alignment clamping columns (11) are inserted into the inner side of the convex block (9), and the triangular clamping blocks (10) are elastically engaged and clamped to the inner wall of the notch (8).

4. The wear-resistant stabilizer bar bushing according to claim 1, characterized in that: The rubber bushing core (1) is divided into a left petal (17) and a right petal (18), and symmetrical limiting clamping rings (16) are fixed at both ends of the left petal (17) and the right petal (18).

5. The wear-resistant stabilizer bar bushing according to claim 1, characterized in that: A fixing frame (12) is provided on the outside of the rubber bushing core (1), and the fixing frame (12) is sleeved on the outer wall of the rubber bushing core (1) and is located between the limiting clamps (16). An inner core top block (13) is provided inside the fixing frame (12) at a position away from the rubber bushing core (1), and the top of the inner core top block (13) is limitedly clamped between the limiting clamps (16) and fits with the outer surface of the rubber bushing core (1).

6. The wear-resistant stabilizer bar bushing according to claim 5, characterized in that: Symmetrical embedded grooves (14) are provided on both sides of the middle of one end of the fixing frame (12) away from the rubber bushing core (1), and symmetrical positioning pieces (15) are fixed on both ends of one side of the inner core top block (13) away from the rubber bushing core (1), and the positioning pieces (15) are embedded and engaged in the embedded grooves (14).

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