CN215558644U

CN215558644U - Hydraulic jack with digital display screen

Info

Publication number: CN215558644U
Application number: CN202121860159.2U
Authority: CN
Inventors: 卢英俊
Original assignee: Jinyun Tianyang Tools Co ltd
Current assignee: Jinyun Tianyang Tools Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-18
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a hydraulic jack with a digital display screen in the field of hydraulic jacks, which comprises a portable box, wherein a hydraulic jacking device is arranged on the portable box, a digital display is arranged on the outer side of the portable box, the digital display is electrically connected with the hydraulic jacking device, a lifting device is arranged at the bottom of the portable box, and the lifting device comprises: the motor is installed at the bottom of the portable box, an output shaft of the motor extends to the inside of the portable box and is connected with the large gear, the small gear in rotary fit with the large gear is installed on the left side and the right side of the large gear respectively, the small gear is installed on the threaded sleeve, the threaded sleeve is rotatably connected with the portable box through a bearing, the threaded sleeve is internally provided with the threaded rod extending to the outside of the threaded sleeve, the threaded rod is connected with the threaded sleeve through a plurality of balls, and the bottom of the threaded rod is connected with the supporting plate. The utility model has the advantages of convenient pressure reading and height adjustment.

Description

Hydraulic jack with digital display screen

Technical Field

The utility model relates to the field of hydraulic jacks, in particular to a hydraulic jack with a digital display screen.

Background

The hydraulic jack is a jack which adopts a plunger or a hydraulic cylinder as a rigid jacking piece. The self-locking device has the characteristics of compact structure, stable work, large jacking force, self-locking and the like. The hydraulic jack has strong jacking capacity, and the jacking force of the heavy hydraulic jack exceeds 100 t.

Its jacking height of current pressure jack is fixed, and when the jacking height was not enough, people often can increase the height at some other objects of bottom pad of jack, had certain potential safety hazard like this, consequently, to above current situation, the urgent need develops a convenient hydraulic jack of altitude mixture control to overcome not enough in the current practical application, satisfy current demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic jack with a digital display screen to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a take digital display screen's hydraulic jack, includes the suitcase, install hydraulic pressure jacking device on the suitcase, digital display is installed in the outside of suitcase, digital display and hydraulic pressure jacking device electric connection, elevating gear is installed to the bottom of suitcase, elevating gear includes: motor, gear wheel, pinion, thread bush, threaded rod, ball and backup pad, the motor is installed in the bottom of portable box, the output shaft of motor extends to the inside of portable box and links to each other with the gear wheel, a running fit's pinion with it is installed respectively to the left and right sides of gear wheel, the pinion is installed in the thread bush, the thread bush passes through the bearing and is connected with portable box rotation, install in the thread bush and extend to its outside threaded rod, the threaded rod passes through a plurality of balls and links to each other with the thread bush, the bottom and the backup pad of threaded rod link to each other.

As a further scheme of the utility model: the hydraulic jacking device comprises: the portable oil cylinder comprises a pressure handle, a guide rod, a first oil sleeve, a first piston, a liquid storage tank, a first oil pipe, a first check valve, a second oil sleeve, a second oil pipe, a second check valve, a backflow pipe, a pressure release valve, a second piston, a pressure sensor and a jacking rod, wherein the pressure handle is rotatably connected to the top of the portable tank, the pressure handle is rotatably connected with the guide rod extending into the portable tank, the guide rod extends into the first oil sleeve and is connected with the first piston, the first oil sleeve is fixed on the inner wall of the right side of the portable tank, the liquid storage tank is arranged on the inner wall of the portable tank below the first oil sleeve, the first oil pipe connected with the first oil sleeve is arranged on the liquid storage tank, the first check valve is arranged on the first oil pipe, the second oil sleeve is arranged on the inner wall of the left side of the portable tank, the backflow pipe connected with the liquid storage tank is arranged at the bottom of the second oil sleeve, the portable box is characterized in that a pressure release valve is installed on the return pipe, a second oil pipe connected with the return pipe is installed at the bottom of the first oil sleeve, a second one-way valve is installed on the second oil pipe, a second piston is installed in the second oil sleeve, a pressure sensor is installed in the second piston, a jacking rod extending to the outside of the portable box is installed on the upper side of the second piston, and the pressure sensor is attached to the bottom of the jacking rod.

As a still further scheme of the utility model: the pressure sensor is electrically connected with the digital display.

As a still further scheme of the utility model: the battery is installed on the right side of portable case, battery and motor electric connection.

Compared with the prior art, the utility model has the beneficial effects that: when the hydraulic jack with the digital display screen is used, the guide rod and the first piston are driven to move through the pressure handle, hydraulic oil is extruded into the second oil sleeve through the first piston, the second piston is driven to ascend through the hydraulic oil, the jacking rod is driven to ascend through the second piston, an object is jacked, and meanwhile, the pressure born by the pressure sensor is transmitted to the digital display, so that the pressure can be directly opposite to the pressure; the motor drives the gear wheel to rotate, the gear wheel rotates to drive the pinion to rotate, the pinion rotates to drive the threaded sleeve to rotate, the threaded sleeve rotates to drive the threaded rod to move, the threaded rod moves to drive the supporting plate to move, and then the height of the portable box and the hydraulic jacking device is adjusted. In conclusion, the pressure reading device is convenient to read the pressure and convenient to adjust the height.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal cross-sectional view of fig. 1 of the present invention.

Fig. 3 is a partial view at a of fig. 2 of the present invention.

Fig. 4 is a partial view at B of fig. 2 of the present invention.

In the figure: 1-portable box, 2-handle, 3-hydraulic lifting device, 301-pressure handle, 302-guide rod, 303-first oil sleeve, 304-first piston, 305-liquid storage box, 306-first oil pipe, 307-first check valve, 308-second oil sleeve, 309-second oil pipe, 310-second check valve, 311-return pipe, 312-pressure release valve, 313-second piston, 314-pressure sensor, 315-lifting rod, 4-digital display, 5-lifting device, 501-motor, 502-large gear, 503-small gear, 504-threaded sleeve, 505-threaded rod, 506-ball, 507-support plate and 6-storage battery.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

Examples

Referring to fig. 1 to 4, in an embodiment of the present invention, a hydraulic jack with a digital display screen includes a portable box 1, a lifting handle 2 is installed on the portable box 1, a hydraulic jacking device 3 is installed on the portable box 1, a digital display 4 is installed on an outer side of the portable box 1, the digital display 4 is electrically connected to the hydraulic jacking device 3, and the hydraulic jacking device 3 includes: the hydraulic oil supply device comprises a pressure handle 301, a guide rod 302, a first oil sleeve 303, a first piston 304, a liquid storage tank 305, a first oil pipe 306, a first one-way valve 307, a second oil sleeve 308, a second oil pipe 309, a second one-way valve 310, a return pipe 311, a pressure release valve 312, a second piston 313, a pressure sensor 314 and a lifting rod 315, wherein the pressure handle 301 is rotatably connected to the top of the portable case 1, the guide rod 302 extending into the portable case 1 is rotatably connected to the pressure handle 301, the guide rod 302 extends into the first oil sleeve 303 and is connected with the first piston 304, the first oil sleeve 303 is fixed on the inner wall of the right side of the portable case 1, the liquid storage tank 305 is arranged on the inner wall of the portable case 1 below the first oil sleeve 303, the first oil pipe 306 connected with the first oil sleeve 303 is arranged on the liquid storage tank 305, the first oil pipe 306 is provided with the first one-way valve 307, so that hydraulic oil can only flow into the liquid storage tank 305 from the first piston 304, a second oil jacket 308 is installed on the inner wall of the left side of the portable box 1, a return pipe 311 connected with the liquid storage tank 305 is installed at the bottom of the second oil jacket 308, a pressure release valve 312 is installed on the return pipe 311, hydraulic oil flows into the liquid storage tank 305 from the second oil jacket 308 when the pressure release valve 312 is opened, a second oil pipe 309 connected with the return pipe 311 is installed at the bottom of the first oil jacket 303, a second one-way valve 310 is installed on the second oil pipe 309, so that hydraulic oil can only flow into the second oil jacket 308 from the first oil jacket 303, a second piston 313 is installed in the second oil jacket 308, a pressure sensor 314 is installed in the second piston 313, a lifting rod 315 extending to the outside of the portable box 1 is installed on the upper side of the second piston 313, the pressure sensor 314 is attached to the bottom of the lifting rod 315, the pressure sensor 314 is electrically connected with the digital display 4, and the pressure sensor 314 and the digital display 4 are provided with batteries, lifting device 5 is installed to the bottom of portable case 1, lifting device 5 includes: motor 501, gear wheel 502, pinion 503, thread bush 504, threaded rod 505, ball 506 and backup pad 507, motor 501 installs in the bottom of portable box 1, motor 501's output shaft extends to portable box 1's inside and links to each other with gear wheel 502, a running fit's pinion 503 with it is installed respectively to the left and right sides of gear wheel 502, pinion 503 installs on thread bush 504, thread bush 504 passes through the bearing and is connected with portable box 1 rotation, install in the thread bush 504 and extend to its outside threaded rod 505, threaded rod 505 passes through a plurality of balls 506 and links to each other with thread bush 504, the bottom of threaded rod 505 links to each other with backup pad 507, battery 6 is installed on portable box 1's right side, battery 6 and motor 501 electric connection.

The working principle of the utility model is as follows: when the hydraulic jack with the digital display screen is used, the pressure handle 301 drives the guide rod 302 and the first piston 304 to move, the first piston 304 extrudes hydraulic oil to enter the second oil sleeve 308, the second piston 313 is driven to ascend by the hydraulic oil, the jacking rod 315 is driven to ascend by the second piston 313, an object is jacked up, and meanwhile, the pressure born by the pressure sensor 314 is transmitted to the digital display 4, so that the pressure can be directly opposite to the pressure; the motor 501 drives the large gear 502 to rotate, the large gear 502 drives the small gear 503 to rotate, the small gear 503 drives the threaded sleeve 504 to rotate, the threaded sleeve 504 rotates to drive the threaded rod 505 to move, the threaded rod 505 moves to drive the supporting plate 507 to move, and therefore the heights of the portable box 1 and the hydraulic jacking device 3 are adjusted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a take hydraulic jack of digital display screen, includes portable case (1), its characterized in that: install hydraulic pressure jacking device (3) on suitcase (1), digital display (4) are installed in the outside of suitcase (1), digital display (4) and hydraulic pressure jacking device (3) electric connection, elevating gear (5) are installed to the bottom of suitcase (1), elevating gear (5) include: motor (501), gear wheel (502), pinion (503), thread bush (504), threaded rod (505), ball (506) and backup pad (507), install in the bottom of portable case (1) motor (501), the output shaft of motor (501) extends to the inside of portable case (1) and links to each other with gear wheel (502), one and its normal running fit's pinion (503) is installed respectively to the left and right sides of gear wheel (502), pinion (503) are installed on thread bush (504), thread bush (504) are connected with portable case (1) rotation through the bearing, install in thread bush (504) and extend to its outside threaded rod (505), threaded rod (505) link to each other with thread bush (504) through a plurality of ball (506), the bottom and backup pad (507) of threaded rod (505) link to each other.

2. The hydraulic jack with digital display screen of claim 1, wherein: the hydraulic jacking device (3) comprises: the portable oil supply device comprises a pressure handle (301), a guide rod (302), a first oil sleeve (303), a first piston (304), a liquid storage tank (305), a first oil pipe (306), a first one-way valve (307), a second oil sleeve (308), a second oil pipe (309), a second one-way valve (310), a return pipe (311), a pressure release valve (312), a second piston (313), a pressure sensor (314) and a jacking rod (315), wherein the pressure handle (301) is rotatably connected to the top of the portable box (1), the guide rod (302) extending into the portable box (1) is rotatably connected to the pressure handle (301), the guide rod (302) extends into the first oil sleeve (303) and is connected with the first piston (304), the first oil sleeve (303) is fixed on the inner wall of the right side of the portable box (1), the liquid storage tank (305) is arranged below the first oil sleeve (303) on the inner wall of the portable box (1), a first oil pipe (306) connected with a first oil jacket (303) is installed on the liquid storage tank (305), a first one-way valve (307) is installed on the first oil pipe (306), a second oil jacket (308) is installed on the inner wall of the left side of the portable box (1), a return pipe (311) connected with the liquid storage tank (305) is installed at the bottom of the second oil jacket (308), a pressure release valve (312) is installed on the return pipe (311), a second oil pipe (309) connected with the return pipe (311) is installed at the bottom of the first oil jacket (303), a second one-way valve (310) is installed on the second oil pipe (309), a second piston (313) is installed in the second oil jacket (308), a pressure sensor (314) is installed in the second piston (313), a jacking rod (315) extending to the outside of the portable box (1) is installed on the upper side of the second piston (313), the pressure sensor (314) is attached to the bottom of the lifting rod (315).

3. The hydraulic jack with digital display screen of claim 2, wherein: the pressure sensor (314) is electrically connected with the digital display (4).

4. The hydraulic jack with digital display screen of claim 1, wherein: the right side of portable case (1) is installed battery (6), battery (6) and motor (501) electric connection.