A manually hydraulic pump controlled dual circuit lifting device for vehicle service

Abstract

The utility model relates to a kind of vehicle overhauling double-circuit lifting device controlled by manual hydraulic pump, including oil reservoir and two interval settings for supporting the lifting assembly of vehicle, the lifting assembly includes base and lifting seat hinged with base, the main cylinder is connected with the lifting assembly, the main cylinder is connected with oil reservoir by hose, the oil reservoir is connected with handle, by reciprocating down and lifting handle, drive oil reservoir inside piston to lift, to be sent into main cylinder by hose after oil liquid pressurization, make the inside piston of main cylinder eject, to drive lifting seat rotation, realize the lifting of lifting seat.The utility model has the following advantages and effects: it can improve the lifting efficiency of vehicle.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic jack technical field, concretely relates to a double loop lifting device for vehicle maintenance controlled by manual hydraulic pump. BACKGROUND

[0002] Hydraulic jack refers to the jack of plunger or hydraulic cylinder as rigid jacking piece. When the vehicle is maintained, the vehicle is generally lifted by the hydraulic jack, so that sufficient space can be left between the vehicle and the bottom surface, so as to facilitate the maintenance of the vehicle.

[0003] For example, the Chinese patent technical document with the announcement number CN220131777U discloses a vehicle repair lifting support frame, which comprises a base, a pump body fixedly connected to the edge of one side of the base, a hole formed in the middle of the top of the pump body, a pump core pressing rod slidingly connected in the hole, a handle sleeve threadedly connected to the top of the pump core pressing rod, a handle telescopically connected to the inside of one side of the handle sleeve, a hole formed in the surface of one side of the handle, a hydraulic cylinder threadedly connected to the middle of the top of the base, a hole formed in the middle of the top of the hydraulic cylinder, and a piston rod slidingly connected in the hole.

[0004] In the above technical scheme, when the vehicle is maintained, the top head of the hydraulic jack can only lift a single wheel of the vehicle, so two hydraulic jacks are needed. After the hydraulic jacks are respectively in contact with each rear wheel or front wheel, the vehicle can be fully lifted by pressing the handles of the hydraulic jacks, so there is a certain limitation in the overall lifting efficiency. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a double loop lifting device for vehicle maintenance controlled by manual hydraulic pump, which can improve the lifting efficiency of the vehicle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double loop lifting device for vehicle maintenance controlled by manual hydraulic pump, characterized by comprising an oil storage cylinder and two spaced-apart lifting assemblies for supporting the vehicle, the lifting assembly comprising a base and a lifting seat hinged to the base, the lifting assembly being connected with a main cylinder body, the main cylinder body being connected with the oil storage cylinder through a hose, the oil storage cylinder being connected with a handle, the handle being reciprocatingly pressed and lifted to drive the piston inside the oil storage cylinder to lift, so that the oil is pressurized and sent to the main cylinder body through the hose, the piston inside the main cylinder body is pushed out to drive the lifting seat to rotate, and the synchronous lifting of each lifting seat is realized.

[0007] The utility model further sets up: the oil storage cylinder is equipped with two -way loop, two -way loop is by two one -way loop module composition, one -way loop module includes pressurizing chamber, pressurizing chamber is used to contain oil storage cylinder inside piston, the below of pressurizing chamber is equipped with oil inlet pipeline and oil outlet pipeline, oil inlet pipeline one end communicates with pressurizing chamber, one end communicates with oil storage cylinder inside, oil outlet pipeline one end communicates with pressurizing chamber, one end communicates with hose.

[0008] The utility model further sets up: the base is equipped with the lifting arm between lifting seat, lifting arm is arranged obliquely, one end of lifting arm is rotatably connected in base, one end is rotatably connected in lifting seat.

[0009] The utility model further sets up: one side of base is equipped with the guide ramp, the slope face of guide ramp is fixed with first antiskid panel.

[0010] The utility model further sets up: the lifting seat is fixed with two interval set's spacing angle steel, and the support area for supporting vehicle is formed between two side spacing angle steels.

[0011] The utility model further sets up: the support area is equipped with second antiskid panel, and second antiskid panel is fixed in lifting seat.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] Because two main cylinder bodies are connected with oil storage cylinder through hose, so only needs to pass through reciprocating down pressure and the handle of lifting oil storage cylinder, can the oil liquid in oil storage cylinder is pressurized and is sent into each main cylinder body through hose, makes the inside piston of main cylinder body and goes out, to drive lifting seat rotation, realizes the synchronous lifting of two lifting seats, therefore, effectively solved the technical problem that each handle needs to be operated respectively in prior art when needing to fully lift vehicle, further can improve the lifting efficiency of vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is whole structure schematic diagram of the utility model;

[0015] Fig. 2 It is local enlarged structure schematic diagram of the utility model A place;

[0016] Fig. 3 It is local internal structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0017] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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.

[0019] As Figs. 1 to 3 shown, the utility model discloses a kind of double circuit lifting devices for vehicle maintenance of manual hydraulic pump control, including oil reservoir 1 and two interval settings for supporting the lifting assembly of vehicle, lifting assembly includes base 21 and the lifting seat 22 articulated with base 21, lifting assembly is connected with main cylinder body 3, main cylinder body 3 is connected with oil reservoir 1 by hose 4, thus in the scheme, two main cylinder body 3 only needs to be provided with oil by single oil reservoir 1, specific principle is, bidirectional circuit is equipped in oil reservoir 1, bidirectional circuit is composed of two one-way circuit modules, one-way circuit module includes pressurizing chamber 61, pressurizing chamber 61 is used to accommodate internal piston 64 in oil reservoir, and one end of each internal piston extends outward and is connected with handle 5, so lever structure can be formed, by pressing and lifting handle 5, internal piston 64 in oil reservoir can be driven to move up and down on pressurizing chamber 61;

[0020] And, below the pressurized chamber 61 is provided with an oil inlet pipeline 62 and an oil outlet pipeline 63, wherein the oil inlet pipeline 62 and the oil outlet pipeline 63 are both equipped with corresponding one-way valves, one end of the oil inlet pipeline 62 communicates with the pressurized chamber 61, and one end communicates with the inside of the oil storage cylinder 1, one end of the oil outlet pipeline 63 communicates with the pressurized chamber 61, and one end communicates with the hose 4, that is, a threaded oil pipe 200 is provided outside the oil storage cylinder 1, the threaded oil pipe 200 communicates with the oil outlet pipeline 63, so that after the threaded connection of the hose 4 and the threaded oil pipe 200, the oil outlet pipeline 63 and the hose 4 are communicated, and then when the lifting handle 5 is lifted, the inside piston 64 of the oil storage cylinder in the pressurized chamber 61 is lifted, so that the volume of the pressurized chamber 61 increases and the internal pressure decreases, at this time the oil in the oil storage cylinder 1 can enter the pressurized chamber 61 through the oil inlet pipeline 62, and when the handle 5 is pressed down, the inside piston 64 of the oil storage cylinder in the pressurized chamber 61 is lowered, so that the volume of the pressurized chamber 61 decreases and the internal pressure increases, so that the oil can flow to the oil outlet pipeline 63, the principle of pressurizing the oil is the same as that of the conventional hydraulic jack, so it is not described in detail. By reciprocatingly pressing and lifting the handle 5, the oil can flow into each main cylinder body 3 through each hose 4, so that the inside piston of the main cylinder body 3 is ejected to drive the lifting seat 22 to rotate and realize the lifting of the lifting seat 22, so that the two lifting seats 22 can simultaneously drive the vehicle to be lifted, improving the lifting efficiency of the vehicle.

[0021] In this embodiment, a lifting arm 7 is provided between the base 21 and the lifting seat 22, one end of the lifting arm 7 is rotatably connected to the base 21, and the other end is rotatably connected to the lifting seat 22, so that the base 21 and the lifting seat 22 are hingedly connected, so that when the inside piston of the main cylinder body 3 is ejected, the lifting seat 22 can be rotated around the connection between the lifting arm 7 and the base 21 as the center to realize the lifting of the lifting seat 22;

[0022] In addition, the lifting arms 7 are arranged at intervals along the length direction, and a guide angle steel 100 is fixed between adjacent lifting arms 7, so that by arranging the guide angle steel 100 and the inclined arrangement of the lifting arms 7, a guide slope surface can be formed between the base 21 and the lifting seat 22, so that the vehicle can be easily driven into the lifting seat 22, thereby facilitating the subsequent lifting of the vehicle;

[0023] In addition, a guide slope 8 is provided on one side of the base 21, a first anti-skid panel 81 is fixed on the slope surface of the guide slope 8, and the inclination angle of the guide slope 8 is smaller than that of the guide slope surface, so that when the vehicle is driven into the lifting seat 22 through the guide slope 8, the vehicle is guided to further facilitate the driving of the vehicle into the lifting seat 22.

[0024] In the embodiment, two limiting angle steels 9 are further fixed on the lifting seat 22, the limiting angle steels 9 are arranged at intervals, a supporting area 221 for supporting the vehicle is formed between the two limiting angle steels 9, after the vehicle is driven into the lifting seat 22, the protrusion formed by the limiting angle steels 9 can limit the wheels, so that the vehicle is prevented from sliding out of the supporting area 221, in addition, the second anti-skid panel 222 is further arranged in the supporting area 221, the friction force generated when the wheels of the vehicle contact the lifting seat 22 is increased, so that the vehicle is further prevented from sliding out of the supporting area 221.

[0025] The implementation principle of the scheme is as follows:

[0026] After the vehicle to be lifted is moved to the lifting seat 22, the oil is pressurized by reciprocatingly pressing and lifting the handle 5, and then is sent into the corresponding master cylinder through the hoses, so that the internal piston of the master cylinder 3 is driven to be extruded, when the internal piston of the master cylinder 3 is extruded, the lifting seat 22 is driven to rotate around the connecting position between the lifting arm 7 and the base 21 as the rotation center, the lifting of the lifting seat 22 is realized, and the rapid lifting of the vehicle is realized.

[0027] The embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, as long as the modifications are within the scope of the claims of the utility model, and are protected by the patent law.

Claims

1. A hand-operated hydraulic pump controlled dual circuit lifting device for vehicle service, characterized by, The application relates to a lifting device for lifting a vehicle, which comprises an oil storage cylinder and two lifting assemblies arranged at intervals for supporting the vehicle, wherein the lifting assembly comprises a base and a lifting seat hinged to the base, a main cylinder body is connected to the lifting assembly, the main cylinder body is connected to the oil storage cylinder through a hose, a handle is connected to the oil storage cylinder, and the inside piston of the oil storage cylinder is driven to lift by reciprocatingly pressing and lifting the handle, so that the oil liquid is pressurized and then sent into the main cylinder body through the hose, the inside piston of the main cylinder body is pushed out, the lifting seat is driven to rotate, and the synchronous lifting of the lifting seats is realized.

2. A dual circuit lifting device for vehicle maintenance manually controlled by a hydraulic pump according to claim 1, characterized in that, The oil storage cylinder is internally provided with a bidirectional circuit, the bidirectional circuit is composed of two one-way circuit modules, the one-way circuit module comprises a pressurizing chamber for accommodating the inside piston of the oil storage cylinder, an oil inlet pipeline and an oil outlet pipeline are arranged below the pressurizing chamber, one end of the oil inlet pipeline is communicated with the pressurizing chamber, and the other end is communicated with the inside of the oil storage cylinder, one end of the oil outlet pipeline is communicated with the pressurizing chamber, and the other end is communicated with the hose.

3. A dual circuit lifting device for vehicle service with manual hydraulic pump control according to claim 1, characterized in that, A lifting arm is arranged between the base and the lifting seat, one end of the lifting arm is rotationally connected to the base, and the other end is rotationally connected to the lifting seat.

4. The dual circuit lifting device for vehicle inspection with manual hydraulic pump control according to claim 1, characterized in that, A guide slope is arranged on one side of the base, and a first anti-skid panel is fixed to the slope surface of the guide slope.

5. The dual circuit lifting device for vehicle inspection with manual hydraulic pump control according to claim 1, characterized in that, Two limiting angle steels are fixed to the lifting seat at intervals, and a supporting area for supporting the vehicle is formed between the two limiting angle steels.

6. A dual circuit lifting device for vehicle servicing manually controlled by a hydraulic pump according to claim 5, characterized in that, A second anti-skid panel is arranged in the supporting area, and the second anti-skid panel is fixed to the lifting seat.

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