阅读说明：本技术 一种用于汽车减震的液压和电磁混合装置 (Hydraulic and electromagnetic mixing device for automobile shock absorption ) 是由 张靖倩 于 2019-09-29 设计创作，主要内容包括：本发明涉及汽车减震器技术领域,且公开了一种用于汽车减震的液压和电磁混合装置,包括车架固定环,所述车架固定环的下部连接有弧形永久磁体,液压缸的中上部外侧连接有线圈,液压缸的内部设置有环形永久磁体,支架的上端链接有金属球,金属球的上部连接有可变电阻。通过固定环带动液压杆向下移动,永久磁体的磁场强弱变化现对于线圈相对移动,线圈产生电流,线圈产生与弧形永久磁体下端相同的磁场,从而阻碍车架固定环向下移动,方向相反；线圈周围产生的热气推动支架移动,支架上的金属球在可变电阻上移动,从而改变可变电阻电路中的电流,这一结构决了现有汽车减震器减震效果差和需要人工检测减震效果的问题。(The invention relates to the technical field of automobile shock absorbers and discloses a hydraulic and electromagnetic mixing device for automobile shock absorption. The hydraulic rod is driven to move downwards by the fixing ring, the change of the strength of the magnetic field of the permanent magnet relatively moves to the coil, the coil generates current, and the coil generates the magnetic field which is the same as the lower end of the arc-shaped permanent magnet, so that the downward movement of the frame fixing ring is prevented, and the directions are opposite; the hot gas that produces around the coil promotes the support and removes, and the metal ball on the support removes on the variable resistance to change the electric current in the variable resistance circuit, this structure has solved the problem that current automobile shock absorber ware shock attenuation effect is poor and need artifical measuring shock attenuation effect.)

1. The utility model provides a hydraulic pressure and electromagnetism hybrid device for automobile shock attenuation, includes solid fixed ring of frame (1), its characterized in that: the inner part of the frame fixing ring (1) is fixedly connected with buffer rubber (101), the lower part of the frame fixing ring (1) is fixedly connected with an arc-shaped permanent magnet (102), two sides of the lower end of the fixing ring (1) are fixedly connected with dust covers (3) on the arc-shaped permanent magnets (102), the middle part of the lower end of the fixing ring (1) is fixedly connected with a hydraulic rod (3), the outer side of the upper end of the hydraulic rod (3) is provided with a first spring (4), the lower part of the hydraulic rod (3) is slidably connected with a hydraulic cylinder (5), the outer side of the middle upper part of the hydraulic cylinder (5) is fixedly connected with a coil (501), the middle inner part of the hydraulic cylinder (5) is provided with an annular permanent magnet (502) corresponding to the coil (501), the lower end of the hydraulic rod (3) is fixedly connected with a piston (6), and, the outer side of the piston (6) is connected with an inner pressure cylinder (9) in a sliding mode, the lower end of the inner pressure cylinder (9) is fixedly connected with an inner cylinder sealing plate (10), the inner portion of the inner cylinder sealing plate (10) is respectively fixedly connected with a compression valve (11) and a compensation valve (12), the lower portion of the right end of the hydraulic cylinder (5) is fixedly connected with a detection device (13), the inner portion of the detection device (13) is connected with a sliding plate (14) in a sliding mode, the upper end of the sliding plate (14) is fixedly connected with a support (1401), the upper end of the support (1401) is fixedly connected with a metal ball (14011), the left end of the sliding plate (14) is fixedly connected with a second spring (15).

2. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the outside diameter of the arc-shaped permanent magnet (102) is the same as that of the frame fixing ring (1), and the inside diameter of the arc-shaped permanent magnet (102) is the same as that of the frame fixing ring (1) inside provided with an arc-shaped groove.

3. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the coil (501) surrounds the hydraulic cylinder (5), and a groove which is adaptive to the diameter of the coil (501) is formed in the hydraulic cylinder (5).

4. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the ring-shaped permanent magnet (502) is cylindrical and has a length corresponding to the length of the coil (501).

5. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the upper inner wall and the lower inner wall of the detection device (13) are provided with sliding grooves corresponding to the support (14).

6. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the second spring (15) is a high-elasticity spring.

7. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the left end arc-shaped contact surface of the detection device (13) and the hydraulic cylinder (5) have adaptive radians, and the backward side of the detection device (13) is provided with a coil (501).

8. The hydraulic and electromagnetic hybrid device for shock absorption of automobiles according to claim 1, characterized in that: the interior of the detection device (13) is a closed space.

Technical Field

The invention relates to the technical field of automobile shock absorbers, in particular to a hydraulic and electromagnetic mixing device for automobile shock absorption.

Background

The shock absorber of the automobile is also called as suspension and is composed of a spring and the shock absorber. The working principle is that when the relative motion occurs when the frame and the axle are vibrated, the piston in the shock absorber moves up and down, the oil in the cavity of the shock absorber repeatedly flows into the other cavity from one cavity through different pores, and at the moment, the friction between the pore wall and the oil and the internal friction between oil molecules form damping force on the vibration, so that the vibration energy of the automobile is converted into oil heat energy, and the oil heat energy is absorbed by the shock absorber and dissipated into the atmosphere to inhibit the vibration when the spring absorbs the shock and rebounds and absorb the energy of road surface impact; the spring plays a role in buffering impact, one-time impact with large energy is changed into multiple-time impact with small energy, and the shock absorber gradually reduces the multiple-time impact with small energy.

At present, the most commonly used automobile shock absorber is a hydraulic shock absorber, the structure of the hydraulic shock absorber is simple, the shock absorption effect is good, but along with social progress and scientific development, the hydraulic shock absorber is gradually improved and perfected, so that the shock absorption effect, the service life and the heat dissipation effect of the hydraulic shock absorber are improved, the existing automobile shock absorber does not have a standard judgment on the shock absorption capacity of the shock absorber, generally, after the automobile shock absorber is driven for a period of time, if the temperature is not high, the shock absorber does not work, the pull rod of the shock absorber is judged to be broken or other link parts are judged to be broken, if the temperature is too high, the hydraulic shock absorber is judged to be lack of hydraulic oil, whether the shock absorber leaks oil is checked, and in order to solve the problem, a hydraulic and electromagnetic mixing device for automobile shock absorption is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hydraulic and electromagnetic mixing device for automobile shock absorption, which has the advantages of better shock absorption effect and shock absorption performance display and solves the problems that the shock absorption effect of the existing automobile shock absorber is general and the shock absorption effect needs to be manually detected.

(II) technical scheme

In order to achieve the purposes of better shock absorption effect and shock absorption performance display, the invention provides the following technical scheme: a hydraulic and electromagnetic mixing device for automobile shock absorption comprises a frame fixing ring, wherein buffer rubber is fixedly connected inside the frame fixing ring, an arc-shaped permanent magnet is fixedly connected to the lower portion of the frame fixing ring, dust covers are fixedly connected to two sides of the lower end of the fixing ring and on the arc-shaped permanent magnet, a hydraulic rod is fixedly connected to the middle of the lower end of the fixing ring, a first spring is arranged on the outer side of the upper end of the hydraulic rod, a hydraulic cylinder is slidably connected to the lower portion of the hydraulic rod, a coil is fixedly connected to the outer side of the middle upper portion of the hydraulic cylinder, an annular permanent magnet corresponding to the coil is arranged inside the middle upper portion of the hydraulic cylinder, a piston is fixedly connected to the lower end of the hydraulic rod, an expansion valve and a flow valve are respectively fixedly connected inside the piston, an inner pressure cylinder is slidably connected to the outer side of the, the detection device is fixedly connected to the lower portion of the right end of the hydraulic cylinder, the sliding plate is connected to the interior of the detection device in a sliding mode, the support is fixedly connected to the upper end of the sliding plate, the metal ball is fixedly connected to the upper end of the support in a linked mode, the second spring is fixedly connected to the left end of the sliding plate, and the variable resistor is connected to the upper portion of the metal ball in a sliding mode.

Preferably, the outside diameter of arc permanent magnet is the same with the outside diameter of the solid fixed ring of frame to guarantee the smoothness of the solid fixed ring outside surface of frame, the inside diameter of arc permanent magnet is the same with the outside diameter that the solid fixed ring of frame's inside offered the arc wall.

Preferably, the coil surrounds the hydraulic cylinder, and a groove matched with the diameter of the coil is formed in the hydraulic cylinder, so that the connection stability and the connection strength of the coil and the hydraulic cylinder are guaranteed, and the heat dissipation of the coil is facilitated.

Preferably, the annular permanent magnet is in the shape of a cylinder, and the length of the annular permanent magnet is matched with that of the coil, so that a magnetic induction line is cut between the coil and the permanent magnet.

Preferably, the upper and lower inner walls of the detection device are provided with sliding grooves corresponding to the support, so that the mobility of the support is ensured, and the change of the contact point positions of the metal ball and the variable resistor is further assisted.

Preferably, the second spring is a high-elasticity spring, so that the bracket can be driven to move by a small amount of heat generated by a single coil.

Preferably, the left end arc-shaped contact surface of the detection device and the hydraulic cylinder have adaptive radians, and a through hole adaptive to the coil is formed in the backward side of the detection device.

Preferably, the inside of the detection device is a closed space, so that the detection accuracy is ensured.

(III) advantageous effects

Compared with the prior art, the invention provides a hydraulic and electromagnetic mixing device for automobile shock absorption, which has the following beneficial effects:

1. the hydraulic and electromagnetic mixing device for automobile shock absorption extrudes the frame fixing ring through the frame, the frame fixing ring is extruded to drive the hydraulic rod to move downwards, the hydraulic rod is magnetized by the arc-shaped permanent magnet, the hydraulic rod is provided with a magnetic pole which is the same as the lower part of the arc-shaped permanent magnet, the magnetic field between the hydraulic rod and the annular permanent magnet is stronger and stronger in the downward moving process of the hydraulic rod, so that the internal and external magnetic fields of the permanent magnet are changed, the internal and external magnetic field strength of the permanent magnet is changed relative to the moving position of the hydraulic rod, the magnetic field of the permanent magnet above the horizontal plane at the lowermost end of the hydraulic rod is strengthened, the magnetic field of the permanent magnet below the horizontal plane at the lowermost end of the hydraulic rod is unchanged, the magnetic field strength of the permanent magnet relatively moves to the coil, the coil generates current, and the coil surrounds the hydraulic cylinder, at the, thereby hinder the solid fixed ring of frame downstream, when the solid fixed ring of frame is pulled through the frame to the same reason, the coil produces the magnetic field opposite with arc permanent magnet lower extreme to hinder the solid fixed ring of frame upstream, this structure utilizes the further shock attenuation effect of having strengthened the car of electromagnetism principle, and does not occupy the space of hydraulic oil, has avoided the phenomenon that hydraulic shock attenuation effect weakens.

2. This a hydraulic pressure and electromagnetism mixing arrangement for automobile shock absorber, the heat that produces through single coil is stored in detection device's inside, detection device's inside atmospheric pressure increases, gaseous promotion support around the coil removes, the metal ball on the support removes on variable resistance, thereby change the electric current in the variable resistance circuit, on connecting into the car display screen through the electric current in the variable resistance circuit, can reflect the power of automobile shock attenuation effect indirectly through the numerical value change of electric current, in addition can also judge for whether the bumper shock absorber pull rod breaks, whether other link positions break and whether lack the scheduling problem of hydraulic oil.

3. This a hydraulic pressure and electromagnetism mixing arrangement for automobile shock attenuation, through coil fixed connection in the outside of pneumatic cylinder, because the electric current that the coil produced can flow through all wires, therefore the heat that the coil produced is also even, predicts the power of automobile shock attenuation effect through a wire of sealing coil, and this structure can not only reach the prediction effect, and is favorable to the heat dissipation of coil.

Drawings

FIG. 1 is a sectional view of the overall front structure of the present invention;

FIG. 2 is a schematic bottom view of the frame retainer ring of the present invention;

FIG. 3 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

fig. 5 is an enlarged view of the structure of fig. 4 at C according to the present invention.

In the figure: 1 frame fixed ring, 101 buffer rubber, 102 arc permanent magnet, 2 dust cover, 3 hydraulic rod, 4 first spring, 5 hydraulic cylinder, 501 coil, 502 ring permanent magnet, 6 piston, 7 extension valve, 8 flow valve, 9 internal pressure cylinder, 10 internal cylinder sealing plate, 11 compression valve, 12 compensation valve, 13 detection device, 14 sliding plate, 1401 support, 14011 metal ball, 15 second spring, 16 variable resistor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a hydraulic and electromagnetic hybrid device for damping a vehicle includes a frame fixing ring 1, a cushion rubber 101 fixedly connected to an inside of the frame fixing ring 1, an arc-shaped permanent magnet 102 fixedly connected to a lower portion of the frame fixing ring 1, and an outer diameter of the arc-shaped permanent magnet 102 is the same as an outer diameter of the frame fixing ring 1, so as to ensure a smoothness of an outer surface of the frame fixing ring 1, and an inner diameter of the arc-shaped permanent magnet 102 is the same as an outer diameter of an arc-shaped groove formed in the frame fixing ring 1. Two sides of the lower end of the fixing ring 1 are fixedly connected with dust covers 3 on the equal arc-shaped permanent magnets 102, the middle of the lower end of the fixing ring 1 is fixedly connected with a hydraulic rod 3, a first spring 4 is arranged on the outer side of the upper end of the hydraulic rod 3, a hydraulic cylinder 5 is slidably connected with the lower portion of the hydraulic rod 3, a coil 501 is fixedly connected with the outer side of the middle upper portion of the hydraulic cylinder 5, the coil 501 surrounds the hydraulic cylinder 5, a groove matched with the diameter of the coil 501 is formed in the hydraulic cylinder 5, the connection stability strength of the coil 501 and the hydraulic cylinder 5 is guaranteed, the heat dissipation of the coil 501 is also facilitated on the other hand, an annular permanent magnet 502 corresponding to the coil 501 is arranged in the middle and upper portion of the hydraulic cylinder 5, the annular permanent magnet 502 is in a cylindrical shape, the length of the annular permanent.

Lower extreme fixedly connected with piston 6 of hydraulic stem 3, the inside difference fixedly connected with of piston 6 expands valve 7 and circulation valve 8, the outside sliding connection of piston 6 has interior pressure jar 9, the lower extreme fixedly connected with of interior pressure jar 9 interior jar closing plate 10, the inside difference fixedly connected with compression valve 11 and compensating valve 12 of interior jar closing plate 10, the right-hand member lower part fixedly connected with detection device 13 of pneumatic cylinder 5, the left end arc contact surface of detection device 13 has the radian that suits with pneumatic cylinder 5, the rear side of detection device 13 is opened and is equipped with the through-hole that suits with coil 501, the inside of detection device 13 is the enclosure space, thereby guarantee the accuracy nature of detection. A sliding plate 14 is slidably connected inside the detection device 13, a bracket 1401 is fixedly connected to the upper end of the sliding plate 14, a metal ball 14011 is fixedly connected to the upper end of the bracket 1401, a second spring 15 is fixedly connected to the left end of the sliding plate 14, and the second spring 15 is a high-elasticity spring, so that the bracket 14 can be driven to move even if a small amount of heat is generated by a single coil 501. The upper part of the metal ball 14011 is connected with a variable resistor 16 in a sliding way, and the upper and lower inner walls of the detection device 13 are provided with sliding grooves corresponding to the bracket 14, so that the mobility of the bracket 14 is ensured, and the change of the contact point position of the metal ball 14011 and the variable resistor 16 is further assisted.

The working principle is as follows: the hydraulic and electromagnetic mixing device for automobile shock absorption is characterized in that when the hydraulic and electromagnetic mixing device works, in the process of pressing down an automobile body, a frame fixing ring 1 is extruded through a frame (not shown in the figure), the frame fixing ring 1 is extruded to drive a hydraulic rod 3 to move downwards, the hydraulic rod 3 is magnetized by an arc-shaped permanent magnet 102, the hydraulic rod 3 is provided with a magnetic pole which is the same as the lower part of the arc-shaped permanent magnet 102, in the process of moving down the hydraulic rod 3, a magnetic field between the hydraulic rod 3 and the annular permanent magnet 502 is stronger and stronger, so that the internal and external magnetic fields of the permanent magnet 502 are changed, the internal and external magnetic field strength change of the permanent magnet 502 is related to the moving position of the hydraulic rod 3, the magnetic field of the permanent magnet 502 above the horizontal plane of the lowermost end of the hydraulic rod 3 is strengthened, the magnetic field of the permanent magnet 502 below the horizontal plane of the lowermost end of the hydraulic rod, the coil 501 generates a current, since the coil 501 surrounds the hydraulic cylinder 5, at this time, the coil 501 generates a magnetic field identical to the lower end of the arc-shaped permanent magnet 102, thereby blocking the frame fixing ring 1 from moving downward, and similarly, when the frame fixing ring 1 is pulled by a frame (not shown), the coil 501 generates a magnetic field opposite to the lower end of the arc-shaped permanent magnet 102, thereby blocking the frame fixing ring 1 from moving upward. The heat generated by the single coil 501 is stored in the detection device 13, the internal air pressure of the detection device 13 is increased, the air around the coil 501 pushes the support 1401 to move, the metal ball 14011 on the support 1401 moves on the variable resistor 16, so that the current in the variable resistor circuit is changed, the current in the variable resistor circuit is connected to an automobile display screen (not shown in the figure), the strength of the automobile damping effect can be indirectly reflected through the numerical value change of the current, and in addition, the problems of whether the pull rod of the damper is broken, whether other link parts are broken, whether hydraulic oil is lack or not can be judged.

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.