Shock absorber top support structure and vehicle shock absorber having the same
By setting up an upper vibration isolation ring, a lower vibration isolation ring and vibration isolation ring in the top support structure of the vibration absorber, the problem of material wear and axial stiffness affected when the suspension top support structure is subjected to large radial forces is solved, and higher lateral load capacity and shock absorption effect are achieved.
Patent Information
- Application Number
- CN202421605253.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-07-09
AI Technical Summary
When the existing suspension top support structure withstands a large radial force, the material wears severely, resulting in the impact of the axial stiffness, making it difficult to meet the lateral force requirements of the shock absorber in McPherson suspension.
A vibration damper top support structure is designed, including an upper vibration damper, a lower vibration damper ring and a vibration damper ring. By the arrangement of these components, vertical and lateral forces from the connecting plate and the vibration damper column can be carried, thereby improving the lateral load capacity of the vibration damper.
Through the setting of the upper vibration isolation ring, the lower vibration isolation ring and the vibration isolation ring, the vibration absorber can carry greater lateral loads, improve the shock absorption effect, and avoid the influence of material wear and axial stiffness.
Smart Images
Figure CN222702443U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile shock absorbing devices, in particular to a shock absorber top support structure and a vehicle shock absorber having the same. Background Art
[0002] Existing suspension top supports can be roughly divided into two categories: one is a structure in which vulcanized rubber is placed on the metal frame of the suspension, and the other is an assembly structure in which a polyurethane material body is wrapped on the metal frame of the suspension. The second type is characterized by: under the premise of ensuring durable strength, a smaller axial dynamic stiffness can be achieved, thereby achieving stronger vibration isolation. However, its radial load-bearing capacity is weak, and once it is subjected to a large radial force, severe material wear often occurs, and the axial stiffness will also be affected to a certain extent.
[0003] Since the shock absorber in the McPherson suspension needs to withstand lateral force, the radial stiffness of the suspension top support is required to be relatively high, so the above-mentioned first type of suspension top support is mostly used at present. Therefore, how to improve the above-mentioned second type of suspension top support so that it can also be suitable for the McPherson suspension has become a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a shock absorber top support structure and a vehicle shock absorber having the same, wherein the upper vibration isolation ring and the lower vibration isolation ring are arranged so that the upper vibration isolation ring and the lower vibration isolation ring can bear the vertical force from the connecting plate and the shock absorber column, and the vibration isolation ring is arranged so that the vibration isolation ring can bear the lateral force from the connecting plate and the shock absorber column, thereby enabling the shock absorber to bear a larger lateral load to improve the shock absorbing effect of the shock absorber.
[0005] The utility model provides a top support structure of a vibration damper, comprising a metal shell, a cover plate, a connecting plate, an upper vibration isolation ring, a lower vibration isolation ring and a vibration isolation ring; a mounting cavity with an upper end opening is arranged on the upper part of the metal shell, the vibration isolation ring is embedded in the mounting cavity, the lower vibration isolation ring, the connecting plate and the upper vibration isolation ring are sequentially embedded in the vibration isolation ring from bottom to top, the cover plate is fixed at the opening at the upper end of the mounting cavity and is used to press the vibration isolation ring, the upper vibration isolation ring, the connecting plate and the lower vibration isolation ring in the mounting cavity, a through hole for the upper end of the vibration damper column to pass through is arranged in the middle part of the bottom of the mounting cavity, and the upper end of the vibration damper column is fixed to the middle part of the connecting plate.
[0006] The utility model arranges the upper vibration isolation ring and the lower vibration isolation ring so that the upper vibration isolation ring and the lower vibration isolation ring can bear the vertical force from the connecting plate and the shock absorber column. The utility model arranges the vibration isolation ring so that the vibration isolation ring can bear the lateral force from the connecting plate and the shock absorber column, so that the shock absorber can bear a larger lateral load to improve the shock absorbing effect of the shock absorber.
[0007] In a possible implementation manner, an inwardly bent annular bend is provided at the upper end of the metal shell, and the annular bend abuts against the top of the outer edge of the cover plate to press the cover plate.
[0008] In a possible implementation manner, an annular step is provided on the inner wall of the upper portion of the installation cavity, and the outer edge of the cover plate is supported on the annular step.
[0009] In a possible implementation, a first circumferential limiting structure is provided between the connecting plate and the metal shell, and a second circumferential limiting structure is provided between the connecting plate and the cover plate.
[0010] In a possible embodiment, the first circumferential limiting structure includes a plurality of first limiting columns arranged on the lower end surface of the connecting plate and distributed at circumferential intervals, and a plurality of second limiting columns arranged on the bottom of the installation cavity and distributed at circumferential intervals, and the plurality of second limiting columns and the plurality of first limiting columns are staggered along the circumferential direction of the lower vibration isolation ring; the lower vibration isolation ring is provided with first limiting holes vertically corresponding to each first limiting column and second limiting holes vertically corresponding to each second limiting column, each first limiting column is vertically inserted into the first limiting hole at the corresponding position, and each second limiting column is vertically inserted into the second limiting hole at the corresponding position.
[0011] In a possible embodiment, the second circumferential limiting structure includes a plurality of third limiting columns arranged on the upper end surface of the connecting plate and distributed at circumferential intervals, and a plurality of fourth limiting columns arranged on the lower end surface of the cover plate and distributed at circumferential intervals, and the plurality of fourth limiting columns and the plurality of third limiting columns are staggered along the circumferential direction of the upper vibration isolation ring; the upper vibration isolation ring is provided with third limiting holes vertically corresponding to each third limiting column and fourth limiting holes vertically corresponding to each fourth limiting column, and each third limiting column is vertically inserted into the third limiting hole at the corresponding position, and each fourth limiting column is vertically inserted into the fourth limiting hole at the corresponding position.
[0012] A vehicle shock absorber comprises the above-mentioned shock absorber top support structure, a screw with an outer diameter smaller than that of the shock absorber column is coaxially arranged on the upper end of the shock absorber column, the screw moves from bottom to top through the middle of a connecting plate, then extends out of the connecting plate and is threadedly connected with a nut, the upper end of the shock absorber column abuts against the lower end surface of the connecting plate, and the upper end of the shock absorber column is fastened to the connecting plate through the nut.
[0013] In a possible embodiment, the vehicle shock absorber also includes a buffer block and a dust cover; the dust cover is coaxially sleeved on the outside of the shock absorber column and is gap-matched with the shock absorber column, the upper end of the dust cover is inserted into the lower end of the metal shell and fixed to the metal shell, the buffer block is sleeved on the shock absorber column located below the metal shell, and the outer wall of the buffer block is in contact with the inner wall of the dust cover. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the main structure of a vehicle shock absorber;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of a shock absorber for a vehicle;
[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the top support structure of the shock absorber;
[0017] Figure 4 This is the first exploded view of the top support structure of the shock absorber;
[0018] Figure 5 This is the second exploded view of the top support structure of the shock absorber;
[0019] Figure 6 This is the third exploded view of the shock absorber top support structure. DETAILED DESCRIPTION
[0020] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.
[0021] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0022] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0023] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0024] See also Figure 1-6As shown, an embodiment of the present application discloses a top support structure of a shock absorber, comprising a metal shell 1, a cover plate 2, a connecting plate 3, an upper vibration isolation ring 4, a lower vibration isolation ring 5 and a vibration isolation ring 6; a mounting cavity 11 with an upper opening is provided on the upper part of the metal shell 1, the vibration isolation ring 6 is embedded in the mounting cavity 11, the lower vibration isolation ring 5, the connecting plate 3 and the upper vibration isolation ring 4 are sequentially embedded in the vibration isolation ring 6 from bottom to top, the cover plate 2 is fixed at the opening at the upper end of the mounting cavity 11 and is used to press the vibration isolation ring 6, the upper vibration isolation ring 4, the connecting plate 3 and the lower vibration isolation ring 5 in the mounting cavity 11, a through hole 12 for the upper end of the shock absorber column 7 to pass through is provided in the middle part of the bottom of the mounting cavity 11, and the upper end of the shock absorber column 7 is fixed to the middle part of the connecting plate 3; the above-mentioned upper vibration isolation ring, lower vibration isolation ring and vibration isolation ring can be made of polyurethane material.
[0025] The upper end of the metal shell 1 is provided with an inwardly bent annular bend 13, which abuts against the top of the outer edge of the cover plate 2 to press the cover plate 2; by adopting this structure, after the cover plate is assembled to the opening of the installation cavity, the upper end of the metal shell can be squeezed to form an annular bend, and the annular bend can abut against the top of the outer edge of the cover plate to press the cover plate, thereby achieving reliable fixation of the cover plate, and enabling the cover plate to reliably press the vibration isolation ring, the upper vibration isolation ring, the connecting plate and the lower vibration isolation ring in the installation cavity, and this structure has the advantage of convenient fixation of the cover plate, the vibration isolation ring, the upper vibration isolation ring, the connecting plate and the lower vibration isolation ring.
[0026] An annular step 14 is provided on the inner wall of the upper part of the installation cavity 11, and the outer edge of the cover plate 2 is supported on the annular step 14; after the annular step is provided on the inner wall of the upper part of the installation cavity, the annular step can support the cover plate, thereby preventing the cover plate from excessively squeezing the vibration isolation ring, the upper vibration isolation ring, the connecting plate and the lower vibration isolation ring. In addition, under the supporting effect of the annular step, the cover plate can be reliably fixed.
[0027] A first circumferential limiting structure is arranged between the connecting plate 3 and the metal shell 1, and a second circumferential limiting structure is arranged between the connecting plate 3 and the cover plate 2; through the arrangement of the first circumferential limiting structure and the second circumferential limiting structure, the circumferential rotation of the connecting plate relative to the metal shell and the cover plate can be effectively avoided, thereby avoiding the wear of the vibration isolation ring, the upper vibration isolation ring and the lower vibration isolation ring.
[0028] The first circumferential limiting structure includes a plurality of first limiting columns 31 arranged on the lower end surface of the connecting plate 3 and distributed at circumferential intervals, and a plurality of second limiting columns 15 arranged on the bottom of the mounting cavity 11 and distributed at circumferential intervals. The plurality of second limiting columns 15 and the plurality of first limiting columns 31 are staggeredly distributed along the circumferential direction of the lower vibration isolation ring 5; the lower vibration isolation ring 5 is provided with first limiting holes 51 vertically corresponding to each first limiting column 31 and second limiting holes 52 vertically corresponding to each second limiting column 15, each first limiting column 31 is vertically inserted into the first limiting hole 51 at the corresponding position, and each second limiting column 15 is vertically inserted into the second limiting hole 52 at the corresponding position; by adopting this structure, after each first limiting column is inserted into the first limiting hole, and after each second limiting column is inserted into the second limiting hole, the connecting plate can achieve the purpose of circumferential limiting between the lower vibration isolation ring and the metal shell.
[0029] The second circumferential limiting structure includes a plurality of third limiting columns 32 arranged on the upper end surface of the connecting plate 3 and distributed at circumferential intervals, and a plurality of fourth limiting columns 21 arranged on the lower end surface of the cover plate 2 and distributed at circumferential intervals, and the plurality of fourth limiting columns 21 and the plurality of third limiting columns 32 are staggeredly distributed along the circumferential direction of the upper vibration isolation ring 4; the upper vibration isolation ring 4 is provided with third limiting holes 41 vertically corresponding to each third limiting column 32 and fourth limiting holes 42 vertically corresponding to each fourth limiting column 21, each third limiting column 32 is vertically inserted into the third limiting hole 41 at the corresponding position, and each fourth limiting column 21 is vertically inserted into the fourth limiting hole 42 at the corresponding position; by adopting this structure, after each third limiting column is inserted into the third limiting hole, and after each fourth limiting column is inserted into the fourth limiting hole, the connecting plate can achieve the purpose of circumferential limitation by relying on the upper vibration isolation ring and the cover plate.
[0030] A vehicle shock absorber includes the above-mentioned shock absorber top support structure, the upper end of the shock absorber column 7 is coaxially provided with a screw rod 71 whose outer diameter is smaller than that of the shock absorber column 7, the screw rod 71 movably penetrates the middle part of the connecting plate 3 from bottom to top, then extends out of the connecting plate 3 and is threadedly connected with a nut 72, the upper end of the shock absorber column 7 abuts against the lower end surface of the connecting plate 3, and the upper end of the shock absorber column 7 is fastened to the connecting plate 3 by the nut 72; by adopting this structure, under the coordinated locking action of the screw rod and the nut, the upper end of the shock absorber column can be reliably fixed to the middle part of the connecting plate.
[0031] The vehicle shock absorber also includes a buffer block 8 and a dust cover 9; the dust cover 9 is coaxially sleeved on the outside of the shock absorber column 7 and is gap-matched with the shock absorber column 7, the upper end of the dust cover 9 is inserted into the lower end of the metal shell 1 and fixed to the metal shell 1, the buffer block 8 is sleeved on the shock absorber column 7 located below the metal shell 1, and the outer wall of the buffer block 8 is in contact with the inner wall of the dust cover 9; by adopting this structure, the buffer block can further bear the lateral force from the shock absorber column, thereby improving the lateral shock absorbing effect on the shock absorber column.
[0032] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.
Claims
1. A shock absorber top support structure, characterized in that: The invention comprises a metal shell (1), a cover plate (2), a connecting plate (3), an upper vibration isolation ring (4), a lower vibration isolation ring (5) and a vibration isolation ring (6); the upper part of the metal shell (1) is provided with a mounting cavity (11) with an upper end opening, the vibration isolation ring (6) is embedded in the mounting cavity (11), the lower vibration isolation ring (5), the connecting plate (3) and the upper vibration isolation ring (4) are sequentially embedded in the vibration isolation ring (6) from bottom to top, the cover plate (2) is fixed at the opening at the upper end of the mounting cavity (11) and is used to press the vibration isolation ring (6), the upper vibration isolation ring (4), the connecting plate (3) and the lower vibration isolation ring (5) into the mounting cavity (11); the middle part of the bottom of the mounting cavity (11) is provided with a through hole (12) for the upper end of the vibration damper column (7) to pass through, and the upper end of the vibration damper column (7) is fixed to the middle part of the connecting plate (3).
2. The shock absorber top support structure according to claim 1, characterized in that: The upper end of the metal shell (1) is provided with an inwardly bent annular bend (13), and the annular bend (13) abuts against the top of the outer edge of the cover plate (2) to press the cover plate (2).
3. The shock absorber top support structure according to claim 2, characterized in that: An annular step (14) is provided on the inner wall of the upper part of the installation cavity (11), and the outer edge of the cover plate (2) is supported on the annular step (14).
4. The shock absorber top support structure according to any one of claims 1 to 3, characterized in that: A first circumferential limiting structure is provided between the connecting plate (3) and the metal shell (1), and a second circumferential limiting structure is provided between the connecting plate (3) and the cover plate (2).
5. The shock absorber top support structure according to claim 4, characterized in that: The first circumferential limiting structure comprises a plurality of first limiting columns (31) arranged on the lower end surface of the connecting plate (3) and distributed at circumferential intervals, and a plurality of second limiting columns (15) arranged on the bottom of the mounting cavity (11) and distributed at circumferential intervals, wherein the plurality of second limiting columns (15) and the plurality of first limiting columns (31) are staggeredly distributed along the circumferential direction of the lower vibration isolation ring (5); the lower vibration isolation ring (5) is provided with first limiting holes (51) vertically corresponding to each of the first limiting columns (31) and second limiting holes (52) vertically corresponding to each of the second limiting columns (15), each of the first limiting columns (31) is vertically inserted into the first limiting hole (51) at the corresponding position, and each of the second limiting columns (15) is vertically inserted into the second limiting hole (52) at the corresponding position.
6. The shock absorber top support structure according to claim 4, characterized in that: The second circumferential limiting structure comprises a plurality of third limiting columns (32) arranged on the upper end surface of the connecting plate (3) and distributed at intervals in the circumferential direction, and a plurality of fourth limiting columns (21) arranged on the lower end surface of the cover plate (2) and distributed at intervals in the circumferential direction, wherein the plurality of fourth limiting columns (21) and the plurality of third limiting columns (32) are staggeredly distributed along the circumferential direction of the upper vibration isolation ring (4); the upper vibration isolation ring (4) is provided with third limiting holes (41) vertically corresponding to each of the third limiting columns (32) and fourth limiting holes (42) vertically corresponding to each of the fourth limiting columns (21), each of the third limiting columns (32) is vertically inserted into the third limiting hole (41) at the corresponding position, and each of the fourth limiting columns (21) is vertically inserted into the fourth limiting hole (42) at the corresponding position.
7. A shock absorber for a vehicle, characterized in that: It comprises a shock absorber top support structure as described in any one of claims 1 to 6, wherein a screw (71) having an outer diameter smaller than that of the shock absorber column (7) is coaxially arranged at the upper end of the shock absorber column (7), the screw (71) movably penetrates the middle part of the connecting plate (3) from bottom to top, then extends out of the connecting plate (3) and is threadedly connected with a nut (72), the upper end of the shock absorber column (7) abuts against the lower end surface of the connecting plate (3), and the upper end of the shock absorber column (7) is fastened to the connecting plate (3) by a nut (72).
8. The vehicle shock absorber according to claim 7, characterized in that: The vehicle shock absorber further comprises a buffer block (8) and a dust cover (9); the dust cover (9) is coaxially sleeved on the outside of the shock absorber column (7) and is clearance-matched with the shock absorber column (7); the upper end of the dust cover (9) is inserted into the lower end of the metal shell (1) and is fixed to the metal shell (1); the buffer block (8) is sleeved on the shock absorber column (7) located below the metal shell (1); the outer wall of the buffer block (8) is in contact with the inner wall of the dust cover (9).