An engine shock absorber with dustproof function
By incorporating a dustproof sleeve and a buffer structure into the engine shock absorber, the problem of reduced lubrication caused by dust ingress is solved, achieving a dual effect of dust prevention and vibration reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIANGRUN MASCH PARTS PROD (DALIAN) CO LTD
- Filing Date
- 2025-09-11
- Publication Date
- 2026-07-03
Smart Images
Figure CN224453513U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of engine vibration dampers, specifically an engine vibration damper with dustproof function. Background Technology
[0002] Engine vibration has always been a concern, as the engine is the power source of a machine. It burns industrial oil to generate high pressure, driving the crankshaft to rotate and thus output power. Due to the existence of several different working states in a working cycle, strong vibrations are inevitable in the engine. Engine vibration is extremely detrimental to the operation of mechanical parts. It shortens the service life of corresponding parts, weakens reliability, causes various damages to some large components, and ultimately affects the service life of the entire equipment. In order to ensure the normal operation of the engine, vibration dampers are usually installed at the bottom of the engine to reduce vibration. However, when existing vibration dampers are in use, dust and particles enter the inside of the damper, causing dust to mix with the lubricating grease, resulting in poor lubrication. Utility Model Content
[0003] To overcome the above-mentioned defects, this utility model provides an engine vibration damper with dustproof function, which solves the problem that when the vibration damper is in use, dust and particulate matter enter the inside of the vibration damper, causing the dust to be absorbed and mixed with the lubricating grease, resulting in poor lubrication effect.
[0004] To achieve the above objectives, this utility model provides the following technical solution: an engine vibration damper with dustproof function, comprising a mounting column, a damping telescopic rod fixedly connected to the middle position of the top of the mounting column, a protective shell fixedly connected to the top of the damping telescopic rod, two mounting plates symmetrically fixedly connected to the top edge of the mounting column, a support column symmetrically fixedly mounted on the top of each mounting plate, a snap-fit block provided on one side of the top of each support column, a plug-in ring installed at the top edge of the mounting column, the plug-in ring snapping into the snap-fit block, two grooves symmetrically formed on the outside of the plug-in ring, the grooves corresponding to the positions of the mounting plates, a dustproof cylinder fixedly connected inside the plug-in ring, and two limiting blocks symmetrically rotatably connected to the top of the outer wall of the mounting column via pins, the limiting blocks being tightly snapped into the support columns.
[0005] As a further embodiment of this utility model: a rubber ring is fixedly connected to the top of the inner wall of the dustproof cylinder, and the rubber ring is tightly attached to the outer wall of the protective shell.
[0006] As a further embodiment of this utility model: a buffer ring is fixedly connected to the bottom of the outer wall of the protective shell, and the buffer ring is tightly attached to the inner wall of the dustproof cylinder.
[0007] As a further embodiment of this utility model: a buffer column is installed on the outer wall of the damping telescopic rod, the buffer column is fixedly connected to the top of the mounting column, and the buffer column is tightly attached to the inner wall of the protective shell.
[0008] As a further embodiment of this utility model: a return spring is fixedly installed on the top of the outer wall of the damping telescopic rod of the buffer column, and the return spring is fixedly connected to the top of the inner shell of the protective shell.
[0009] As a further embodiment of this utility model: the top of the protective shell is fixedly connected with mounting bolts, and two mounting seats are fixedly connected to both sides of the outer wall of the mounting column, with a through groove opened on the top of the mounting seat.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] 1. This dustproof engine shock absorber, by setting up a dustproof cylinder, a plug-in ring, a support column, and a snap-fit block, aligns the grooves on both sides of the plug-in ring with the mounting plate, then moves the plug-in ring down. The plug-in ring moves the dustproof cylinder downward, simultaneously moving the grooves downward, causing the grooves to press against the snap-fit block. This causes the snap-fit block to deform along with the support column. As the plug-in ring abuts against the top of the mounting column, the grooves release their pressure on the snap-fit block, and the support column moves the plug-in ring back to its original position, overlapping the top of the plug-in ring. This fixes the dustproof cylinder to the top of the mounting column. Rotating the limiting block allows it to rotate and engage with the support column, installing the dustproof cylinder on the outer wall of the protective shell. This allows the protective shell to work in conjunction with the dustproof cylinder to protect the shock absorber from dust, preventing dust from entering the shock absorber and extending its service life.
[0012] 2. This dustproof engine shock absorber, by setting up a protective shell, a buffer ring, a buffer column, and a damping telescopic rod, moves the protective shell downwards, causing the damping telescopic rod to contract. The contraction of the damping telescopic rod generates relative frictional force for vibration damping and buffering. At the same time, the outer wall of the protective shell drives the buffer ring to move. The inner wall of the protective shell rubs against the buffer column, while the buffer ring rubs against the dustproof cylinder. Thus, the frictional force generated by the friction between the protective shell and the buffer ring can work together with the damping telescopic rod to dampen and buffer, improving the vibration damping effect of the shock absorber. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a cross-sectional structural diagram of the dustproof cylinder and rubber ring of this utility model;
[0015] Figure 3 This is a cross-sectional structural diagram of the protective shell and the return spring of this utility model;
[0016] In the diagram: 1. Mounting post; 2. Damping telescopic rod; 3. Protective shell; 4. Mounting plate; 5. Support post; 6. Snap-fit block; 7. Insertion ring; 8. Groove; 9. Dustproof sleeve; 10. Rubber ring; 11. Buffer ring; 12. Buffer post; 13. Return spring; 14. Mounting base; 15. Through groove; 16. Mounting bolt; 17. Limiting block. Detailed Implementation
[0017] The technical solution of this patent will be further described in detail below with reference to specific embodiments.
[0018] like Figure 1-3 As shown, this utility model provides a technical solution: an engine vibration damper with dustproof function, including a mounting column 1, a damping telescopic rod 2 fixedly connected to the middle position of the top of the mounting column 1, a buffer column 12 installed on the outer wall of the damping telescopic rod 2, the buffer column 12 being fixedly connected to the top of the mounting column 1, and the buffer column 12 being tightly attached to the inner wall of the protective shell 3. By setting the buffer column 12, the buffer column 12 is set on the outer wall of the damping telescopic rod 2, thereby achieving buffer protection for the damping telescopic rod 2.
[0019] A return spring 13 is fixedly installed on the top of the outer wall of the buffer column 12 and the protective shell 3. The return spring 13 is fixedly connected to the top of the inner wall of the protective shell 3. By setting the return spring 13, when the protective shell 3 moves down, the protective shell 3 squeezes the return spring 13, and the return spring 13 deforms to generate a relative elastic force, so that the return spring 13 can subsequently drive the protective shell 3 to return to its original position through the elastic force.
[0020] A protective shell 3 is fixedly connected to the top of the damping telescopic rod 2. A buffer ring 11 is fixedly connected to the bottom of the outer wall of the protective shell 3. The buffer ring 11 is tightly attached to the inner wall of the dustproof cylinder 9. By setting the protective shell 3, the protective shell 3 can work with the buffer column 12 to reset the damping telescopic rod 2 and the return spring 13, thereby extending the service life of the damping telescopic rod 2 and the return spring 13.
[0021] The protective shell 3 is fixedly connected to the top with mounting bolts 16, and the outer walls of the mounting column 1 are fixedly connected to two mounting seats 14. The top of the mounting seat 14 is provided with a through groove 15. By setting the through groove 15, the bolt passes through the through groove 15 for installation, thereby fixing the mounting seat 14 and thus fixing the entire shock absorber.
[0022] Two mounting plates 4 are symmetrically fixedly connected to the top edge of the mounting column 1. Each mounting plate 4 has a support column 5 symmetrically fixedly installed on its top. Each support column 5 has a snap-fit block 6 on one side of its top. A plug-in ring 7 is installed at the top edge of the mounting column 1. The plug-in ring 7 snaps into the snap-fit block 6. Two grooves 8 are symmetrically opened on the outside of the plug-in ring 7. The grooves 8 correspond to the positions of the mounting plates 4. A dustproof cylinder 9 is fixedly connected inside the plug-in ring 7. A rubber ring 10 is fixedly connected to the top of the inner wall of the dustproof cylinder 9. The rubber ring 10 is tightly attached to the outer wall of the protective shell 3. By setting the rubber ring 10, the rubber ring 10 can seal the protective shell 3 when it moves, preventing dust from entering the shock absorber through the bottom of the protective shell 3, thus achieving dustproof treatment of the shock absorber.
[0023] Two limiting blocks 17 are symmetrically connected to the top of the outer wall of the mounting column 1 via a pin. The limiting blocks 17 are tightly engaged with the support column 5. By setting the limiting blocks 17, rotating the limiting blocks 17, the limiting blocks 17 are engaged between the two support columns 5, thereby limiting the support column 5 and allowing the support column 5 to more stably drive the engaging block 6 to engage and limit the position.
[0024] The working principle of this utility model is as follows:
[0025] Install the mounting base 14 by passing the bolt through the through groove 15, thus fixing the mounting base 14 to the mounting post 1. Align the grooves 8 on both sides of the insertion ring 7 with the mounting plate 4, then move the insertion ring 7 down. As the insertion ring 7 moves down, the grooves 8 press against the locking block 6, simultaneously moving the dust cover 9. As the insertion ring 7 presses against the top of the mounting post 1, the grooves 8 release their pressure on the locking block 6, causing the support post 5 to move the locking block 6 against the top of the insertion ring 7, thus fixing the insertion ring 7 in place. This installs the dust cover 9 onto the outer wall of the protective shell 3. Finally, fix the mounting bolts 16 to the bottom of the engine. When the engine vibrates, the engine drives the protective shell 3 to move downwards, causing the protective shell 3 to retract the damping telescopic rod 2 while squeezing the return spring 13. This allows the friction generated by the retraction of the damping telescopic rod 2 to dampen and buffer the vibration. The protective shell 3 rubs against the buffer column 12, which in turn drives the buffer ring 11 to rub against the dustproof cylinder 9. Thus, the friction generated between the protective shell 3 and the buffer ring 11 can assist the damping telescopic rod 2 in damping and buffering the vibration, improving the vibration damping effect of the shock absorber. At the same time, as the protective shell 3 moves, the rubber ring 10 that is in close contact with the outer wall of the protective shell 3 can work with the dustproof cylinder 9 to protect the shock absorber from dust.
[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0027] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.
Claims
1. An engine damper with dustproof function, comprising a mounting column (1), characterized in that: A damping telescopic rod (2) is fixedly connected to the middle position of the top of the mounting column (1). A protective shell (3) is fixedly connected to the top of the damping telescopic rod (2). Two mounting plates (4) are symmetrically fixedly connected to the top edge of the mounting column (1). A support column (5) is symmetrically fixedly installed on the top of each mounting plate (4). A snap-fit block (6) is provided on the top side of each support column (5). A plug-in ring (7) is installed on the top edge of the mounting column (1). The plug-in ring (7) is snapped into the snap-fit block (6). Two grooves (8) are symmetrically opened on the outside of the plug-in ring (7). The grooves (8) correspond to the positions of the mounting plates (4). A dustproof cylinder (9) is fixedly connected inside the plug-in ring (7). Two limiting blocks (17) are symmetrically connected to the top of the outer wall of the mounting column (1) through a pin shaft. The limiting blocks (17) are snapped into the support column (5).
2. The engine damper with dustproof function according to claim 1, characterized in that: A rubber ring (10) is fixedly connected to the top of the inner wall of the dustproof cylinder (9), and the rubber ring (10) is in close contact with the outer wall of the protective shell (3).
3. The engine damper with dustproof function according to claim 1, characterized in that: A buffer ring (11) is fixedly connected to the bottom of the outer wall of the protective shell (3), and the buffer ring (11) is in close contact with the inner wall of the dustproof cylinder (9).
4. The engine damper with dustproof function according to claim 1, characterized in that: The outer wall of the damping telescopic rod (2) is equipped with a buffer column (12), which is fixedly connected to the top of the mounting column (1), and the buffer column (12) is close to the inner wall of the protective shell (3).
5. The engine damper with dustproof function according to claim 4, characterized in that: The buffer column (12) is fixedly installed with a return spring (13) on the top of the outer wall of the damping telescopic rod (2), and the return spring (13) is fixedly connected to the top of the inner wall of the protective shell (3).
6. The engine damper with dustproof function according to claim 1, characterized in that: The protective shell (3) is fixedly connected to the top with mounting bolts (16), and two mounting seats (14) are fixedly connected to the outer walls of the mounting column (1). The mounting seats (14) have through grooves (15) on their tops.