Electric control shock absorber

Abstract

The utility model relates to the technical field of shock absorbers, in particular to an electric control shock absorber. In order to solve the problems that the riding experience is poor and the performance of a high-performance vehicle is limited due to the fact that the electric control front shock absorber of the motorcycle is matched with few vehicle types, the resistance value is large and inconvenient to debug, the following technical scheme is provided: the electric control front shock absorber comprises an outer cylinder, a buffer cylinder is slidably connected in the outer cylinder, and an end cover is arranged at one end, away from the buffer cylinder, of the outer cylinder; an electromagnetic valve is mounted in the end cover; the sealing assembly is arranged at the sliding position of the outer cylinder and the buffer cylinder and used for ensuring that the buffer cylinder is sealed during sliding; and the controller is electrically connected with the electromagnetic valve, is also electrically connected with a power supply, and is used for controlling the electromagnetic valve to adjust the oil flow. By adopting a structure change mode, the specification of the front fork pipe is reduced, the front fork pipe is convenient to adapt to more vehicle types, and meanwhile, the resistance of a front shock absorber is convenient to match with more vehicle types.

Description

TECHNICAL FIELD

[0001] The utility model relates to shock absorber technical field especially relates to a kind of electric control shock absorber. BACKGROUND

[0002] Current motorcycle electric control front shock is with built-in automobile electromagnetic valve, cylinder diameter specification is big, bring many drawbacks. On the one hand, few adaptive vehicle types, limit manufacturer product planning and market segmentation, reduce consumer selection, also let after-sales maintenance encounter spare parts difficult predicament;On the other hand, the resistance value of large and inconvenient debugging, cause poor riding experience, high-performance vehicle performance is limited, also give technical upgrade adds hindrance, not conducive to industry development. In view of this, the utility model provides a kind of electric control shock absorber. SUMMARY

[0003] The utility model aims at the problem that motorcycle electric control front shock adaptive vehicle type is few in background art, the resistance value of large and inconvenient debugging, cause poor riding experience, high-performance vehicle performance is limited, and proposes a kind of electric control shock absorber.

[0004] The utility model discloses a kind of electric control shock absorber, including outer tube, the buffer cylinder is slidably connected in the outer tube, the end cover is provided at the end of outer tube away from buffer cylinder, electromagnetic valve is installed in the end cover;Sealing assembly is arranged in the sliding position of the outer tube and buffer cylinder, the sealing assembly is used to ensure that buffer cylinder is sealed when sliding;Controller is electrically connected with the electromagnetic valve, the controller is further electrically connected with power supply, the controller is used to control electromagnetic valve to adjust oil flow;Shock-absorbing mechanism is installed in the inside of the outer tube and buffer cylinder, the shock-absorbing mechanism is used to buffer when being vibrated.

[0005] Optionally, the end of the buffer cylinder away from the outer tube is provided with bottom cylinder, compression piston is installed in the bottom cylinder, sliding bushing is installed on the outside of the buffer cylinder, and the sliding bushing is slidably connected to the inner wall of the outer tube.

[0006] Optionally, the shock-absorbing mechanism includes hollow pull rod fixedly connected at the end of electromagnetic valve close to buffer cylinder, the hollow pull rod is hollowly arranged and extends to the inside of buffer cylinder, first piston ring is installed on the end of the hollow pull rod away from electromagnetic valve, hydraulic cylinder is slidably connected to the outside of the first piston ring, one end of the hydraulic cylinder is fixedly connected with the compression piston, mounting ring is fixedly connected to the inner wall of the hydraulic cylinder, second piston ring is installed on the end of the mounting ring close to the first piston ring, the second piston ring is slidably matched with the hollow pull rod, the hollow pull rod, the first piston ring, the hydraulic cylinder and the second piston ring form first cavity.

[0007] Optionally, the outer ring of the hollow pull rod is fixedly connected with a positioning step, the positioning step is arranged between the second piston ring and the first piston ring, and an inner spring sleeved on the outer ring of the hollow pull rod is arranged between the positioning step and the second piston ring.

[0008] Optionally, the electromagnetic valve is also fixedly connected with a liner pipe at one end close to the buffer cylinder, the liner pipe is also hollow, a spring seat is arranged at one end of the liner pipe away from the electromagnetic valve, the buffer cylinder and the hydraulic cylinder are in sliding fit with the spring seat, a damping spring sleeved on the outer ring of the hydraulic cylinder is arranged between the spring seat and the bottom cylinder, the liner pipe is internally provided with a limiting block sleeved and mounted on the outer ring of the hollow pull rod, and the compression piston, the hydraulic cylinder and the first piston ring form a second cavity.

[0009] Optionally, the space other than the first cavity and the second cavity in the inner side of the outer cylinder and the buffer cylinder is defined as a third cavity, and one end of the liner pipe close to the electromagnetic valve is closed.

[0010] Optionally, a plurality of third through holes are formed in the liner pipe.

[0011] Optionally, a first through hole and a second through hole are formed in one end of the hollow pull rod away from the electromagnetic valve, the hollow pull rod is in communication with the first cavity through the first through hole, and the hollow pull rod is in communication with the second cavity through the second through hole.

[0012] Optionally, the sealing assembly comprises a shaft sleeve mounted on the inner side of the outer cylinder, an oil seal is arranged on the side of the shaft sleeve away from the end cover, a gasket is mounted on the side of the oil seal away from the shaft sleeve, a retaining ring is arranged on the side of the gasket away from the oil seal and is in threaded connection with the outer cylinder, and a dustproof ring is mounted on the side of the retaining ring away from the oil seal.

[0013] Optionally, the electromagnetic valve is provided with a liquid inlet hole at one end close to the hollow pull rod, and a plurality of liquid outlet holes are arranged on the electromagnetic valve and are in communication with the inner side of the outer cylinder.

[0014] In conclusion, the present application has at least one of the following beneficial technical effects:

[0015] When the damping and recovery are performed, the first cavity becomes a high-pressure cavity, part of the damping oil generates a recovery resistance through the first piston ring, and part of the damping oil enters the hollow pull rod through the first through hole and flows to the electromagnetic valve, and then the oil flow is adjusted through the opening and closing of the electronic components in the electromagnetic valve, so that the recovery resistance is adjusted, and finally the oil flows out into the third cavity through the liquid outlet hole.

[0016] Further through the setting of the second through hole, when shock compression, the second cavity becomes a high pressure chamber, a part of the shock oil generates compression resistance through the compression piston, and another part enters the hollow pull rod through the second through hole and flows to the electromagnetic valve, and then the oil flow is adjusted through the opening and closing of the electronic components inside the electromagnetic valve, so that the compression resistance generates the function of adjustment, and the oil finally flows out to the third cavity through the liquid outlet hole;

[0017] In summary, the utility model discloses the mode of structure change, make the front fork pipe specification reduce, convenient for more vehicle type adaptation, also convenient for the resistance of front shock absorber more vehicle type matching. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Give the structure diagram of the electric control shock absorber of the utility model;

[0019] Figure 2 For Figure 1 The enlarged schematic view of A in the middle.

[0020] Reference signs:

[0021] 1, outer cylinder;11, end cover;12, electromagnetic valve;121, liquid inlet hole;122, liquid outlet hole;

[0022] 2, buffer cylinder;21, bottom cylinder;22, compression piston;23, sliding bushing;

[0023] 3, sealing assembly;31, shaft sleeve;32, oil seal;33, gasket;34, check ring;35, dustproof ring;

[0024] 4, controller;5, power supply;

[0025] 6, shock absorbing mechanism;61, hollow pull rod;62, first piston ring;63, hydraulic cylinder;64, positioning step;65, inner spring;66, bushing;67, spring seat;68, shock absorbing spring;69, limiting block;

[0026] 611, first through hole;612, second through hole;631, mounting ring;632, second piston ring;661, third through hole. DETAILED DESCRIPTION

[0027] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment.

[0028] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application, but merely represents selected embodiments of the application.

[0029] All other embodiments obtained by a person of ordinary skill in the art without creative labor based on the embodiments in the present application shall fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Embodiment:

[0033] As shown in Figure 1 and Figure 2 The present application provides an electric control shock absorber, which comprises an outer cylinder 1, a buffer cylinder 2 is slidably connected in the outer cylinder 1, an end cover 11 is arranged at one end of the outer cylinder 1 away from the buffer cylinder 2, an electromagnetic valve 12 is mounted in the end cover 11, a liquid inlet hole 121 is formed in the electromagnetic valve 12 close to one end of a hollow pull rod 61, a plurality of liquid outlet holes 122 are further arranged on the electromagnetic valve 12 and communicate with the inner side of the outer cylinder 1, and the electromagnetic valve 12 is used for adjusting the flow of shock-absorbing oil. A bottom cylinder 21 is arranged at one end of the buffer cylinder 2 away from the outer cylinder 1, a compression piston 22 is mounted in the bottom cylinder 21, a sliding bushing 23 is mounted on the outer side of the buffer cylinder 2, and the sliding bushing 23 is slidably connected to the inner wall of the outer cylinder 1 to prevent the shock-absorbing oil from leaking.

[0034] Further, the shock absorber further comprises a sealing assembly 3 arranged at the sliding position of the outer cylinder 1 and the buffer cylinder 2, the sealing assembly 3 is used to ensure the sealing of the buffer cylinder 2 during sliding. The sealing assembly 3 comprises a shaft sleeve 31 mounted on the inner side of the outer cylinder 1, the shaft sleeve 31 is provided with an oil seal 32 on the side away from the end cover 11, the oil seal 32 is mounted with a gasket 33 on the side away from the shaft sleeve 31, the gasket 33 is provided with a retaining ring 34 screwed with the outer cylinder 1 on the side away from the oil seal 32, the retaining ring 34 is mounted with a dustproof ring 35 on the side away from the oil seal 32, which is used to ensure the sealing of one end of the outer cylinder 1 and the normal sliding of the buffer cylinder 2. The sealing assembly 3 is a prior art and will not be described in detail here.

[0035] Further, the shock absorber further comprises a controller 4 electrically connected with the electromagnetic valve 12, the controller 4 is further electrically connected with a power supply 5, and the controller 4 is used to control the electromagnetic valve 12 to adjust the flow of oil. The control mode of the controller 4 can be realized in the following ways: 1. integrated with the motorcycle display screen, adjusted by mechanical or touch screen; 2. connected with the mobile phone APP to realize adjustment; 3. connected with the motorcycle handlebar for mechanical adjustment, etc. The specific implementation method needs to be considered according to the customer demand, the whole vehicle design, the cost and other factors. The power supply 5 can be a motorcycle battery or an external battery, and the specific design needs to be considered according to the whole vehicle layout space, cost and other factors.

[0036] Specifically, the damping mechanism 6 installed in the outer cylinder 1 and the buffer cylinder 2 is used for buffering when subjected to vibration. The damping mechanism 6 includes a hollow pull rod 61 fixedly connected to the electromagnetic valve 12 near one end of the buffer cylinder 2, the hollow pull rod 61 is hollow and extends into the buffer cylinder 2, and damping oil enters the electromagnetic valve 12 through the hollow pull rod 61. The end of the hollow pull rod 61 away from the electromagnetic valve 12 is sleeved with a first piston ring 62, the outer side of the first piston ring 62 is slidably connected with a hydraulic cylinder 63, and the first piston ring 62 is arranged to prevent damping oil from passing through its installation position. One end of the hydraulic cylinder 63 is fixedly connected with the compression piston 22, so that the hydraulic cylinder 63 moves synchronously when the buffer cylinder 2 moves. The inner wall of the hydraulic cylinder 63 is fixedly connected with a mounting ring 631, one end of the mounting ring 631 near the first piston ring 62 is provided with a second piston ring 632, the second piston ring 632 is slidably connected with the hollow pull rod 61, and the second piston ring 632 is used to prevent damping oil from passing through its installation position. The hollow pull rod 61, the first piston ring 62, the hydraulic cylinder 63 and the second piston ring 632 form a first cavity. The end of the hollow pull rod 61 away from the electromagnetic valve 12 is provided with a first through hole 611, and the hollow pull rod 61 is communicated with the first cavity through the first through hole 611. When the damping is recovered, the first cavity becomes a high-pressure cavity, a part of the damping oil generates a recovery resistance through the first piston ring 62, and another part of the damping oil enters the hollow pull rod 61 through the first through hole 611 and flows to the electromagnetic valve 12, and then the oil flow is adjusted through the opening and closing of the electronic components in the electromagnetic valve 12, so that the recovery resistance has an adjusting function. Then the oil flows into the third cavity through the liquid outlet hole 122, and then flows to the side of the compression piston 22 away from the electromagnetic valve 12 through the through hole provided on the buffer cylinder 2, and then reflows into the second cavity through the through hole on the compression piston 22. The outer ring of the hollow pull rod 61 is fixedly connected with a positioning step 64, the positioning step 64 is arranged between the second piston ring 632 and the first piston ring 62, and an inner spring 65 sleeved on the outer ring of the hollow pull rod 61 is arranged between the positioning step 64 and the second piston ring 632. The inner spring 65 is used to be compressed when subjected to vibration, so as to release the elastic force for resetting and buffering. The end of the electromagnetic valve 12 near the buffer cylinder 2 is also fixedly connected with a lining pipe 66, the lining pipe 66 is also hollow, and the end of the lining pipe 66 away from the electromagnetic valve 12 is provided with a spring seat 67. There is a gap between the outer side of the spring seat 67 and the buffer cylinder 2 for the flow of oil. Meanwhile, the outer ring of the spring seat 67 can be provided with a plurality of semicircular through holes arranged in a ring shape, so as to facilitate the flow of oil. The buffer cylinder 2 and the hydraulic cylinder 63 are slidably connected with the spring seat 67, and are used to limit the movement of the hydraulic cylinder 63 to prevent deviation. The spring seat 67 and the bottom cylinder 21 are provided with a damping spring 68 sleeved on the outer ring of the hydraulic cylinder 63, the damping spring 68 is used to release the elastic force for resetting after being compressed, so as to achieve the purpose of damping. The lining pipe 66 is provided with a limiting block 69 sleeved on the outer ring of the hollow pull rod 61, and the limiting block 69 is used for limiting and preventing the buffer cylinder 2 from being too close to the outer cylinder 1.The compression piston 22, the hydraulic cylinder 63 and the first piston ring 62 form a second cavity, the liner tube 66 is closed at one end close to the electromagnetic valve 12, the hollow pull rod 61 penetrates the closed end of the liner tube 66, and the space in the outer cylinder 1 and the buffer cylinder 2, except the first cavity and the second cavity, is defined as a third cavity. A plurality of third through holes 661 are formed in the liner tube 66, so that the oil enters the inside of the liner tube 66, and the electromagnetic valve 12 is communicated with the third cavity through the liquid outlet hole 122. The second through hole 612 is formed in the end of the hollow pull rod 61 away from the electromagnetic valve 12, the hollow pull rod 61 is communicated with the second cavity through the second through hole 612, when the shock compression, the second cavity becomes a high-pressure cavity, a part of the shock-absorbing oil generates compression resistance through the compression piston 22, a part of the shock-absorbing oil enters the hollow pull rod 61 through the second through hole 612 and flows to the electromagnetic valve 12, and the other part of the shock-absorbing oil enters the first cavity through the second through hole 612 and the first through hole 611 in sequence. The oil flow is adjusted through the opening and closing of the electronic components in the electromagnetic valve 12, so that the compression resistance generates the adjusting function, the oil finally flows out to the third cavity through the liquid outlet hole 122, then the oil enters the third cavity through the liquid outlet hole 122, and flows to the side of the compression piston 22 away from the electromagnetic valve 12 through the through hole formed in the buffer cylinder 2, and reflows into the second cavity through the through hole in the compression piston 22.

[0037] In the embodiment, when the shock compression, the second cavity becomes a high-pressure cavity, a part of the shock-absorbing oil generates compression resistance through the compression piston 22, a part of the shock-absorbing oil enters the hollow pull rod 61 through the second through hole 612 and flows to the electromagnetic valve 12, and the other part of the shock-absorbing oil enters the first cavity through the second through hole 612 and the first through hole 611 in sequence. The oil flow is adjusted through the opening and closing of the electronic components in the electromagnetic valve 12, so that the compression resistance generates the adjusting function, the oil finally flows out to the third cavity through the liquid outlet hole 122. When the shock recovery, the first cavity becomes a high-pressure cavity, a part of the shock-absorbing oil generates recovery resistance through the first piston ring 62, a part of the shock-absorbing oil enters the hollow pull rod 61 through the first through hole 611 and flows to the electromagnetic valve 12, and the oil flow is adjusted through the opening and closing of the electronic components in the electromagnetic valve 12, so that the recovery resistance generates the adjusting function. Then the oil enters the third cavity through the liquid outlet hole 122, flows to the side of the compression piston 22 away from the electromagnetic valve 12 through the through hole formed in the buffer cylinder 2, and reflows into the second cavity through the through hole in the compression piston 22, so as to realize the circulation of the oil. The structure is changed, so that the front fork tube specification is reduced, and more vehicle models are adapted, and the resistance matching of the front shock absorber is facilitated for more vehicle models.

[0038] The above specific embodiments are only optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. An electronically controlled shock absorber, characterized in that: include: It comprises an outer cylinder (1), a buffer cylinder (2) is slidably connected to the outer cylinder (1), an end of the outer cylinder (1) away from the buffer cylinder (2) is provided with an end cover (11), and a solenoid valve (12) is installed in the end cover (11); a sealing assembly (3) provided at a sliding position between the outer cylinder (1) and the buffer cylinder (2), the sealing assembly (3) being used to ensure that the buffer cylinder (2) is sealed when sliding; a controller (4) electrically connected to the solenoid valve (12), the controller (4) also electrically connected to a power supply (5), the controller (4) being used to control the solenoid valve (12) to adjust the oil flow; A shock absorbing mechanism (6) is installed inside the outer cylinder (1) and the buffer cylinder (2), and the shock absorbing mechanism (6) is used to provide a buffer when subjected to vibration.

2. The electronically controlled shock absorber according to claim 1, characterized in that: A bottom cylinder (21) is provided at one end of the buffer cylinder (2) away from the outer cylinder (1), a compression piston (22) is installed in the bottom cylinder (21), and a sliding bushing (23) is installed on the outer side of the buffer cylinder (2), and the sliding bushing (23) is slidably connected to the inner wall of the outer cylinder (1).

3. The electronically controlled shock absorber according to claim 2, characterized in that: The shock absorbing mechanism (6) includes a hollow pull rod (61) fixedly connected to one end of the solenoid valve (12) near the buffer cylinder (2), the hollow pull rod (61) is hollow and extends into the interior of the buffer cylinder (2), the end of the hollow pull rod (61) away from the solenoid valve (12) is sleeved with a first piston ring (62), the outer side of the first piston ring (62) is slidably connected to a hydraulic cylinder (63), one end of the hydraulic cylinder (63) is fixedly connected to the compression piston (22), the inner wall of the hydraulic cylinder (63) is fixedly connected to a mounting ring (631), the end of the mounting ring (631) near the first piston ring (62) is mounted with a second piston ring (632), the second piston ring (632) is slidably matched with the hollow pull rod (61), and the hollow pull rod (61), the first piston ring (62), the hydraulic cylinder (63) and the second piston ring (632) form a first cavity.

4. The electronically controlled shock absorber according to claim 3, characterized in that: The outer ring of the hollow pull rod (61) is fixedly connected with a positioning step (64), and the positioning step (64) is arranged between the second piston ring (632) and the first piston ring (62). An inner spring (65) is arranged between the positioning step (64) and the second piston ring (632) and is sleeved on the outer ring of the hollow pull rod (61).

5. The electronically controlled shock absorber according to claim 4, characterized in that: The end of the solenoid valve (12) close to the buffer cylinder (2) is also fixedly connected to a liner (66), and the liner (66) is also hollow. The end of the liner (66) away from the solenoid valve (12) is installed with a spring seat (67). The buffer cylinder (2) and the hydraulic cylinder (63) are both slidably matched with the spring seat (67). A shock-absorbing spring (68) is provided between the spring seat (67) and the bottom cylinder (21) and is sleeved on the outer ring of the hydraulic cylinder (63). A limit block (69) is provided inside the liner (66) and is sleeved on the outer ring of the hollow pull rod (61). The compression piston (22), the hydraulic cylinder (63) and the first piston ring (62) form a second cavity.

6. The electronically controlled shock absorber according to claim 5, characterized in that: Except for the first cavity and the second cavity inside the outer cylinder (1) and the buffer cylinder (2), the remaining space is defined as a third cavity, and the end of the liner (66) close to the solenoid valve (12) is closed.

7. The electronically controlled shock absorber according to claim 6, characterized in that: The liner (66) is provided with multiple groups of third through holes (661).

8. The electronically controlled shock absorber according to claim 7, characterized in that: A first through hole (611) and a second through hole (612) are provided at one end of the hollow pull rod (61) away from the solenoid valve (12); the hollow pull rod (61) is connected to the first cavity through the first through hole (611); and the hollow pull rod (61) is connected to the second cavity through the second through hole (612).

9. The electronically controlled shock absorber according to claim 1, characterized in that: The sealing assembly (3) comprises a shaft sleeve (31) mounted on the inner side of the outer cylinder (1); an oil seal (32) is provided on the side of the shaft sleeve (31) away from the end cover (11); a gasket (33) is installed on the side of the oil seal (32) away from the shaft sleeve (31); a retaining ring (34) threadedly connected to the outer cylinder (1) is provided on the side of the gasket (33) away from the oil seal (32); and a dust ring (35) is installed on the side of the retaining ring (34) away from the oil seal (32).

10. The electronically controlled shock absorber according to claim 8, characterized in that: The solenoid valve (12) is provided with a liquid inlet hole (121) at one end close to the hollow pull rod (61), and the solenoid valve (12) is also provided with multiple groups of liquid outlet holes (122) that are in communication with the inner side of the outer cylinder (1).

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