CN109915709B

CN109915709B - Multifunctional portable lifting device for automobile jack and use method

Info

Publication number: CN109915709B
Application number: CN201910224860.6A
Authority: CN
Inventors: 叶枫
Original assignee: Ningbo Tiansheng Transmission Member Co ltd
Current assignee: Ningbo Tiansheng Transmission Member Co ltd
Priority date: 2019-03-24
Filing date: 2019-03-24
Publication date: 2021-02-09
Anticipated expiration: 2039-03-24
Also published as: CN109915709A

Abstract

The invention discloses a multifunctional portable lifting device of an automobile jack, belonging to the technical field of automobiles and comprising a base, a connecting platform and a plurality of connecting rods; the middle part of the upper surface of the connecting table is provided with a convex table, the convex table is matched with a groove at the bottom of the jack, two permanent magnets which are overlapped up and down are arranged in the convex table, the middle of the convex table is isolated by a magnetic yoke, the two sides of the convex table are provided with non-magnetic conductive bodies, the upper permanent magnet is fixedly arranged, and the lower permanent magnet rotates through an embedded handle arranged at the bottom of the connecting table; a table hole matched with the connecting rod is formed in the periphery of the connecting table, one end of the connecting rod is detachably and fixedly connected with the base, and the other end of the connecting rod penetrates through the table hole; the connecting rods are provided with rod holes at intervals; the connecting table is rotatably connected with an L-shaped locking rod near the table hole, and the other end of the locking rod penetrates through the rod hole by rotating the locking rod so that the connecting table and the connecting rod are stable. The invention effectively improves the working distance of the jack on the basis of the prior art, and has the advantages of high safety, easy carrying and the like.

Description

Multifunctional portable lifting device for automobile jack and use method

Technical Field

The invention relates to the technical field of automobiles, in particular to a multifunctional portable lifting device of an automobile jack, which has a rescue effect and has the advantages of skid resistance, illumination, portability and the like, and a use method thereof.

Background

The jack is light and small lifting equipment which uses a rigid lifting piece as a working device and lifts a heavy object in a small stroke through a top bracket or a bottom supporting claw. It is mainly used in the departments of factories, mines, transportation and the like as vehicle repair and other lifting, supporting and other works. The structure is light, firm, flexible and reliable, and can be carried and operated by one person.

The jack industry in China has advanced later, and before the country is built and the reform is opened, the demand of the jack in China is mainly used at the top of industry and national defense. After the reform is opened, the national economy is rapidly developed, the living standard of people is obviously improved, and the requirement of the jack is met. After the 90 s of the last century, the jack industry in China enters a rapid development period, and the acceleration of the jack requirements is far higher than the global level. In various markets, the automobile industry is one of industries with the most used jacks, and as one of countries with the largest automobile use amount in China, the technology of the jacks is particularly important to be improved.

The existing jack is limited in working distance no matter mechanical or hydraulic, especially in the automobile industry, because the ground clearance of an automobile is not large, the existing jack is limited in height in design for convenient use, so that the jacking distance of the automobile is limited, the space is limited during maintenance, great inconvenience is caused, and especially, due to the fact that living conditions are improved day by day, the jack is more prominent when being used by many obese people.

In many traffic accident sites, due to a plurality of reasons such as traffic or signal connection, rescue workers cannot arrive at the site in time, and the casualties caused by the fact that the rescue workers are clamped or pressed by automobiles are numerous, so that the wounded workers can be rescued by only lifting the automobiles a little distance (for example, a few centimeters), but even if the wounded workers need to be rescued, the rescue vehicles are inconvenient to arrive at the site, and a plurality of rescue times are delayed.

In the use of traditional jack, the basis and the placing of jack are especially important, especially on soft ground or on the road surface of sleet weather, people mostly look for the wooden piece pad temporarily, though can solve the problem temporarily, in use because the intensity of wooden piece is difficult to guarantee, and anti-skidding effect is very poor, consequently can be accompanied with very big danger, and dangerous once taking place can cause serious injures and deaths.

In addition, the jack is mostly used at the bottom of the automobile, so that the lighting condition is poor, and the jack is more inconvenient to use particularly at night.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the lifting device of the jack, which can effectively increase the working distance of the jack, has a rescue effect under certain conditions, and has the advantages of skid resistance, illumination, portability and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multifunctional portable lifting device of an automobile jack comprises a base, a connecting platform and a plurality of connecting rods; the middle part of the upper surface of the connecting table is provided with a convex table, the convex table is matched with a groove at the bottom of the jack, two permanent magnets which are overlapped up and down are arranged in the convex table, the middle of the convex table is isolated by a magnetic yoke, non-magnetizers are arranged at two sides of the convex table, the upper permanent magnet is fixedly arranged, and the lower permanent magnet can rotate through an embedded handle arranged at the bottom of the connecting table; the periphery of the connecting table is provided with table holes matched with the connecting rods in number, one end of each connecting rod is detachably and fixedly connected with the base, and the other end of each connecting rod penetrates through the table holes; the connecting rods are provided with rod holes at intervals; the connecting table is rotatably connected with an L-shaped locking rod near the table hole, and the other end of the L-shaped locking rod penetrates through the rod hole by rotating the L-shaped locking rod so that the connecting table and the connecting rod are stable.

Preferably: the lock rod is made of high-strength titanium alloy, preferably Ti-15V-3Cr-3Al-3 Sn.

Preferably: the connecting rod is connected with the base through threads.

Preferably: the base upper surface and connect the platform lower surface and all be equipped with a plurality of bar groove to the space that forms after making base and the inseparable lid of connection platform closes is enough to hold connecting rod and locking lever, the bar inslot be equipped with pole hole assorted groove post, be used for the locking connecting rod.

Preferably: and at least one side surface of the base or the connecting table is provided with an LED illuminating device.

Preferably: the lower surface of the base is an anti-skid convex surface, and the convex surface is formed by arranging a plurality of cylinders with trapezoidal sections.

Preferably: the diameter ratio of the large surface to the small surface of the column body is 3: 1-2: 1, and the ratio of the large surface to the height is 1.5: 1-0.9: 1.

In addition, the invention also provides a using method of the multifunctional portable lifting device of the automobile jack, which comprises the following steps:

s1: opening the base and the connecting table to take out the connecting rod;

s2: fixing each connecting rod and the base in sequence through threads;

s3: the connecting table penetrates through the connecting rod to a proper height through the table hole, the locking rods are sequentially inserted into the corresponding rod holes, and the connecting table is stably placed under the action of gravity and the locking rods;

s4: placing the jack on the convex table, and primarily fixing the jack through a groove at the bottom of the jack;

s5: the handle is rotated to start the magnetic system, so that the connecting platform and the bottom of the jack are magnetically adsorbed, and the jack is stably connected with the lifting device under the triple actions of magnetic force, the dead weight of the jack and the matching of the convex platform and the groove at the bottom of the jack, so that the effect of improving the working distance is achieved.

Compared with the prior art, the invention has the following advantages:

1. when the working distance is not enough, the working distance of the jack is increased through the effective combination of the base, the connecting platform and the connecting rod.

2. The convex table and the jack in the connecting table are adsorbed through magnetic force by rotating the embedded handle in the work, and the connecting table and the jack are firmly and reliably connected under the triple effects of structure setting (the bottom of the convex table embedded jack), gravity action and magnetic adsorption, so that the use safety is high.

3. Through the adjustment of the working distance, the lifting height of the jack to the automobile is increased, the jack can be temporarily used as a rescue tool on the scene of a traffic accident that certain rescues are difficult to reach in time, the situation that people or articles are pressed under the bottom of the automobile or an obstacle for a long time is avoided, and the rescue function is good.

4. Make the jack in the use with the contact surface greatly increased on ground through the setting of base, improve anti-skidding effect to through setting up the base bottom to the raised face of antiskid, further promote anti-skidding effect, especially in sleet weather or on soft soil ground, the protruding has certain embedding to grasp the effect to ground, makes the jack promote the security greatly in the use, avoids unexpected the appearance.

5. Through the LED lighting device arranged on the base or the connecting table, the jack has a good lighting effect and is convenient to use in the using process, particularly at night.

6. The connecting rod and the base are detachably connected (in threaded connection) in the lifting jack device, and the structural arrangement (surface grooves) of the base and the connecting platform enables all parts to be placed together when not in use, the base and the connecting platform are covered to form an integral structure, and the lifting jack device can be placed in a trunk, so that the space is saved, and the lifting jack device is convenient to carry.

Drawings

FIG. 1 is a schematic view of the construction of the lifting device about to operate;

FIG. 2 is a schematic view of the bottom surface of the connection table;

FIG. 3 is a schematic view of the top surface structure of the susceptor;

FIG. 4 is a schematic structural view of the convex platform connected with the jack;

FIG. 5 is a schematic diagram of the magnetic force conversion at the position where the convex table is connected with the jack;

FIG. 6 is a schematic view of the assembled state of the lifting device when it is idle;

FIG. 7 is an external view of the lifting device after assembly;

FIG. 8 is a schematic view of a lighting device mounting structure;

fig. 9 is a three-dimensional structure diagram of the base with the ground plane being a convex plane.

In the figure: 1. a base; 11. a cylinder; 2. a connecting table; 21. a convex table; 211. an upper permanent magnet; 212. a lower permanent magnet; 213. a magnetic yoke; 22. a handle; 23. a bench hole; 24. a lock lever; 3. a connecting rod; 31. a rod hole; 4. a strip-shaped groove; 41. a groove column; 5. an illumination device.

Detailed Description

The construction and principles of the invention are now fully described in conjunction with specific embodiments to enable one of ordinary skill in the art to understand and practice the invention.

Example 1

As shown in fig. 1 to 7, the multifunctional portable lifting device for the automobile jack disclosed by the invention comprises a base 1, a connecting table 2 and three connecting rods 3; the base 1 and the connecting table 2 are both circular and have the same shape and size, so that the space can be fully utilized after the cover is closed; the middle part of the upper surface of the connecting table 2 is provided with a convex table 21 (the convex table 21 is arranged at the geometric center of the upper surface of the connecting table 2 so as to ensure that the whole connected device is uniformly stressed and has a stable structure), the convex table 21 is matched with a groove at the bottom of the jack (the structure tends to be stable by the wrapping action of the bottom of the jack on the convex table 21, the convex table 21 can also be provided with a central groove to wrap the bottom of the jack, and can be flexibly arranged according to the shape of the bottom of the jack in particular), the convex table 21 is internally provided with two permanent magnets 211 and 212 which are overlapped up and down, the middle part is isolated by a magnetic yoke 213, the two sides are provided with non-magnetic conductive bodies, the upper permanent magnet 211 is fixedly arranged, the lower permanent magnet 212 can rotate through an embedded handle 22 arranged at the bottom of the connecting table 2 (the upper and lower permanent magnets 211, the conversion of a magnetic system is realized by rotating the handle 22, so that the magnetic adsorption with the bottom of the jack is realized, and as the principle of the permanent magnetic chuck is mature in the prior art, the principle diagram in the attached drawings only marks the main components of the magnetic adsorption, so that the ordinary skilled person in the art can conveniently understand the principle diagram); three platform holes 23 are formed in the connecting platform 2, one end of the connecting rod 3 is fixedly connected with the base 1 through threads (an external thread can be arranged at one end of the connecting rod 3, a hole matched with the connecting rod is formed in the base 1, an internal thread is arranged in the hole, and because the connecting rod is in a conventional mechanical connection mode, the hole is not specifically shown in the drawing), the other end of the connecting rod 3 penetrates through the platform holes 23, and the positions of the platform holes 23 are arranged to correspond to the positions of the threaded holes of the base 1, so that the base 1 and the connecting platform 2 are aligned up and down, and the connecting platform; the connecting rods 3 are provided with rod holes 31 at intervals; the connecting table 2 is rotatably connected with an L-shaped locking rod 24 near the table hole 23, and the other end of the locking rod 24 penetrates through the rod hole 31 by rotating the locking rod 24 so as to enable the connecting table 2 and the connecting rod 3 to be stable (the connecting table 2 is stable under the action of gravity by the shape design of the locking rod 24, and the locking rod 24 in the embodiment adopts Ti-15V-3Cr-3Al-3Sn alloy with high strength and good corrosion resistance).

Preferably: the upper surface of the base 1 and the lower surface of the connecting table 2 are respectively provided with a plurality of strip-shaped grooves 4, so that a space formed after the base 1 and the connecting table 2 are tightly covered can be enough for accommodating the connecting rod 3 and the locking rod 24 (the strip-shaped grooves 4 comprise two types, one of the two types is used for accommodating the connecting rod 3, the two types are used for accommodating the locking rod when the locking rod 24 rotates to the surface of the connecting table 2, one end of the locking rod 24 is arranged in the strip-shaped groove 4, the other end of the locking rod is inserted into the table hole 23, the two types of strip-shaped grooves are used for accommodating assembled rod pieces and are only different in size, so that the two types of strip-shaped grooves are easy to understand, the two types of strip-shaped grooves are expressed by the same term of the. The size of above-mentioned bar groove 4 should match with the connecting rod 3 and the locking lever 24 that will hold to do not produce after the lid closes and rock as appropriate (in this embodiment, set up three bar groove 4 that hold connecting rod 3 and three bar groove 4 that hold locking lever 24, bar groove 4 total number in this embodiment is base 1 and the connection platform 2 is respectively six promptly). Through the setting of bar groove 4, when the device is idle, can with whole dismantlement back connecting rod 3 put into bar groove 4 backs in proper order, it is fixed to pass pole hole 31 through groove post 41, and will connect

platform

2 and 1 lid of base and close, make structure overall stability under the action of gravity of connecting platform 2 and under the cooperation of pole hole 31 and groove post 41, so can make the structure planarization of whole device when idle placing, save shared space by a wide margin, conveniently carry. The specific storage process when the storage box is idle is as follows: firstly, inverting the connecting platform 2, rotating the lock rod 24 and then placing the lock rod into the strip-shaped groove 4, and then inserting the other end of the lock rod 24 into the platform hole 23; secondly, inserting the connecting rod 3 into the connecting table 2, and enabling the rod hole 31 in the connecting rod 3 to be matched with the groove column 41 of the connecting table 2 and to be stably placed; thirdly, the base 1 is reversely buckled on the connecting platform 2, the groove columns 41 in the base 1 are matched with the rod holes 31, at the moment, the base 1 and the groove columns 41 of the connecting platform 2 are respectively inserted into the upper side and the lower side of the rod holes 31, the integral installation is completed, and then the whole device is turned over for 180 degrees.

It should be noted that: the number and type of the connecting rods 3 in this embodiment can be flexibly set, the number is mainly based on the stable connection (for example, three connecting rods in this embodiment, the arrangement orientation of which is an equilateral triangle, so as to achieve the effect of overall stable stress), and the type can also be extended on this basis, for example: the rod is set as a telescopic rod or a plurality of sections of connecting rods and the like; the insertion depth of the handle 22 is determined so as not to affect the placement of the connecting rod 3 during idle assembly; in addition, the number of the groove columns 41 can be flexibly set, and in order to save materials, stable assembly can be completed only by arranging one groove column at the head and the tail of the matching connecting rod 3 respectively (the change is not made in the drawing of the embodiment); in this embodiment, the angle of the lock rod 24 is an "L" shaped right angle, the direction of the rod hole 31 is perpendicular to the connecting rod 3, the angle is not limited thereto, and can be further improved according to the matching effect, and the insertion and fixing manner of the lock rod 24 can be replaced by a clip, a buckle, a bolt, and the like, but the structural design of this embodiment is faster in operation, simpler in structure, and stronger in applicability in a plurality of connection manners.

In addition, the embodiment also provides a using method of the multifunctional portable lifting device for the automobile jack, which comprises the following steps:

s1: the base 1 and the connecting platform 2 are opened, and the connecting rod 3 is taken out;

s2: sequentially fixing the three connecting rods 3 with the base 1 through threads;

s3: the connecting table 2 penetrates through the connecting rod 3 to a proper height through the table hole 23, the locking rods 24 are sequentially inserted into the corresponding rod holes 31, and the connecting table 2 is stably placed under the action of gravity and the locking rods 24;

s4: placing the jack on the convex table 21 and primarily fixing the jack through a groove at the bottom of the jack;

s5: the handle 22 is rotated to start the magnetic system, so that the connecting platform 2 is magnetically adsorbed to the bottom of the jack, and the jack is stably connected with the lifting device under the triple actions of magnetic force, the dead weight of the jack and the matching of the convex platform 21 and the groove at the bottom of the jack, so that the effect of improving the working distance is achieved.

Example 2

As shown in fig. 8, in this embodiment, an illumination system is added on the basis of embodiment 1, and specifically, as follows, an LED illumination device 5 is provided on a side surface of the connection table 2. Specifically, the LED annular lamps are embedded in the periphery of the connecting table 2, and a lithium battery and a USB charging port are arranged in the connecting table 2, so that ideal illumination and convenient charging effects are achieved. Because the connecting platform 2 in the embodiment is circular, the LED lamp adopts an annular shape, so that the illumination effect can effectively cover the periphery of the lifting device, and the device and the jack can still be normally used even at night.

Example 3

As shown in fig. 9, the present embodiment is optimized based on embodiment 1 as follows: the lower surface of the base 1 is an anti-skid convex surface, and the convex surface is formed by arranging a plurality of cylinders 11 with trapezoidal sections. Through the lower surface configuration optimization with base 1, improved the contact effect of elevating gear with ground, improved the antiskid nature of device, improve the security effect greatly, especially when using under the not good condition of weather such as road wet and slippery or sleet, cylinder 11 makes the promotion that anti-skidding performance has the nature to ground embedding effect. In addition, the antiskid convex surface adopts the cylinder 11 with the trapezoidal section, and compared with the conical section, the antiskid convex surface has wider application range, does not damage the ground and is easy to clean; the accessible reaches the embedding antiskid effect equivalent with the conical surface to the height of cylinder 11 and bottom surface design, reachs through many times scientific experiment and mathematical analysis: the diameter ratio of the large surface to the small surface of the column body 11 is 3: 1-2: 1, and the ratio of the large surface to the height is 1.5: 1-0.9: 1, so that the anti-skidding effect is excellent.

Example 4

The embodiment is optimized on the basis of the embodiment 1, so that the whole lifting device is easier to carry and move after being assembled when not in use. The concrete expression is as follows: on one hand, the upper permanent magnet 211 is also set as a movable part, a concave rotating handle is arranged in the middle of the convex table 21, magnetic force opening is realized by rotating the rotating handle after the integral assembly is finished when the lifting device is idle, the connecting table 2 and the base 1 are attracted into a whole by magnetic force, and at the moment, the whole lifting device is integrally combined and can be moved by moving the connecting table 2; on the other hand, the periphery of the upper surface of the connecting table 2 is provided with a lifting handle, and after the combination is completed, the lifting device is lifted by the lifting handle, so that the movement is more convenient. The present embodiment is more user-friendly in design and more convenient in use, in addition to the advantages of embodiment 1.

In conclusion, compared with the prior art, the lifting device of the jack can effectively increase the working distance of the jack, and the distance can be adjusted according to specific requirements, so that the use range of the jack is greatly increased, and the lifting device can be used as a rescue tool in some emergency sites; the magnetic connection and the structural design of the lifting device and the jack ensure that the connection is reliable and safe, and the large-area contact and anti-skid design of the base and the ground can greatly improve the safety in the use process and the applicable place of the jack; the lighting system can ensure that the jack and the lifting device can still be normally used at night or when the lighting is not good; the device has flexible integral structure, can be disassembled and assembled into a whole, saves space, is convenient to carry and has obvious effect; the shapes of the components of the lifting device used in the above embodiments are described by taking the vertical jack as an example, but the invention is not limited thereto, and the shape of the base, the connecting platform, and the convex platform (for example, a strip shape or a T shape) can be changed to apply the lifting device to a horizontal type or other types of jacks.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any manner. Those skilled in the art can make many possible variations and modifications to the technical solution of the present invention using the methods disclosed above, or modify equivalent embodiments with equivalent variations, without departing from the technical principle and scope of the invention. Therefore, any combination, modification or substitution of the technical features disclosed in the present invention according to the technical essence of the present invention should fall within the protection scope of the technical solution of the present invention, unless the principle or the solution of the present invention is departed from.

Claims

1. A multifunctional portable lifting device of an automobile jack is characterized by comprising a base (1), a connecting table (2) and a plurality of connecting rods (3); the middle of the upper surface of the connecting table (2) is provided with a convex table (21), the convex table (21) is matched with a groove at the bottom of a jack, two permanent magnets (211 and 212) which are vertically stacked are arranged in the convex table (21), the middle of the convex table is isolated by a magnetic yoke (213), non-magnetizers are arranged at two sides of the convex table, the upper permanent magnet (211) is fixedly arranged, and the lower permanent magnet (212) rotates through an embedded handle (22) arranged at the bottom of the connecting table (2); a table hole (23) matched with the connecting rod (3) is formed in the periphery of the connecting table (2), one end of the connecting rod (3) is detachably and fixedly connected with the base (1), and the other end of the connecting rod penetrates through the table hole (23); the connecting rods (3) are provided with rod holes (31) at intervals; the connecting table (2) is rotatably connected with an L-shaped locking rod (24) near the table hole (23), and the other end of the locking rod (24) penetrates through the rod hole (31) by rotating the locking rod to enable the connecting table (2) and the connecting rod (3) to be stable.

2. The multifunctional portable lifting device of claim 1, wherein the locking bar (24) is made of high strength titanium alloy.

3. The multifunctional portable lifting device of an automobile jack according to claim 1, characterized in that the connecting rod (3) is connected with the base (1) by screw thread.

4. The multifunctional portable lifting device of claim 3, wherein the upper surface of the base (1) and the lower surface of the connecting platform (2) are provided with a plurality of strip-shaped grooves (4), so that the space formed by tightly covering the base (1) and the connecting platform (2) is enough for accommodating the connecting rod (3) and the locking rod (24), and the strip-shaped grooves (4) are internally provided with groove columns (41) matched with the rod holes (31) for locking the connecting rod (3).

5. The portable multi-functional lifting device for automobile jacks according to any one of claims 1 to 4, characterized in that at least one side of the base (1) or the connection platform (2) is provided with LED lighting means.

6. The portable multifunctional lifting device for automobile jacks according to any one of claims 1 to 4, wherein the lower surface of the base (1) is an anti-skid convex surface, and the convex surface is formed by arranging a plurality of columns (11) with trapezoidal sections.

7. The multifunctional portable lifting device of claim 6, wherein the diameter ratio of the large surface to the small surface of the column body (11) is 3: 1-2: 1, and the ratio of the large surface to the height is 1.5: 1-0.9: 1.

8. The method of using a multi-functional portable lifting device for a vehicle jack as claimed in claim 4, comprising the steps of:

s1: the base (1) and the connecting platform (2) are opened to take out the connecting rod (3);

s2: fixing each connecting rod (3) and the base (1) in sequence through threads;

s3: the connecting table (2) penetrates through the connecting rod (3) to a proper height through the table hole (23), the locking rods (24) are sequentially inserted into the corresponding rod holes (31), and the connecting table (2) is stably placed under the action of gravity and the locking rods (24);

s4: placing the jack on the convex table (21) and primarily fixing the jack through a groove at the bottom of the jack;

s5: the magnetic force system is started by rotating the handle (22), so that the connecting platform (2) and the bottom of the jack are magnetically adsorbed, and the jack is stably connected with the lifting device under the triple actions of magnetic force, the dead weight of the jack and the matching of the convex platform (21) and the groove at the bottom of the jack, so that the effect of improving the working distance is achieved.