CN212954078U

CN212954078U - Suspension type mechanical jack leveling landing leg

Info

Publication number: CN212954078U
Application number: CN202021710146.2U
Authority: CN
Inventors: 冯磊
Original assignee: Dangshan Dingli Mechanical Equipment Technology Co ltd
Current assignee: Dangshan Dingli Mechanical Equipment Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-13
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to a suspension type mechanical jack leveling landing leg, which belongs to the technical field of mechanical jacks and comprises a lifting landing leg, wherein the upper end of the lifting landing leg is provided with a driving box, the upper end of the driving box is provided with four groups of symmetrical first lugs, wherein the two groups of first lugs are connected with a first lug seat through a fixed pin shaft, the first lug rotates with the first lug seat through a fixed pin shaft, the middle position of one end of the outer wall of the lifting landing leg is provided with a second lug, the second lug is connected with a second lug seat through a movable pin shaft, the movable pin shaft is used for connecting the other two groups of first lugs and the first lug seat when in use, and the first lug seat and the second lug seat are both fixedly arranged on the outer surface of the bottom end of a vehicle chassis; the utility model relates to a rationally, direct suspension is on vehicle chassis, and convenient to carry does not occupy the railway carriage space, plays lift and leveling function, and application method is simple moreover, and is light laborsaving.

Description

Suspension type mechanical jack leveling landing leg

Technical Field

The utility model belongs to the technical field of jack, concretely relates to suspension type jack leveling landing leg.

Background

The jack is a common tool for jacking heavy objects, such as a car when changing a car tire, or other mechanical equipment with large volume and mass, and includes a pneumatic jack, an electric jack, a hydraulic jack and a mechanical jack, and the mechanical jack is commonly used.

Present mechanical type jack has certain drawback when using, and present mechanical type jack is mostly external equipment, and the jack body does not have the relation of connection with vehicle equipment itself, and the jack can not be placed on the car to general people, but untimely can do when urgent needs use.

Therefore, we propose a suspended machinery jack leveling leg.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension type mechanical jack leveling landing leg to solve the problem that proposes among the above-mentioned background art.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a suspension type machinery jack leveling landing leg, includes the lift landing leg, the upper end of lift landing leg is equipped with the drive case, and the upper end of drive case is equipped with the first lug of four group symmetries, and wherein two sets of first lug passes through the first lug seat of fixed pin hub connection, and first lug rotates with first lug seat through the fixed pin axle, the outer wall one end intermediate position of lift landing leg is equipped with the second lug, and the second lug has the second lug seat through the activity round pin hub connection, and the activity round pin axle is used for connecting another two sets of when in service condition first lug and first lug seat, first lug seat and second lug seat are all fixed the bottom surface that sets up on vehicle chassis.

As the utility model discloses a further optimization scheme, the lift landing leg includes the outer tube and is located the inside lift inner tube of outer tube, the inside of lift inner tube is equipped with the screw rod, screw rod threaded connection has the swivel nut, swivel nut and lift inner tube inner wall top fixed connection, the top that the screw rod extends to in the drive box is equipped with lift actuating mechanism.

As the utility model discloses a further optimization scheme, lift actuating mechanism is including fixing the outer dish in drive case surface one end and passing the gear shaft at outer dish center, and the one end that the gear shaft extends to drive incasement portion is connected with first gear, one side meshing of first gear is connected with the second gear, just the second gear is fixed cup joints the top at the screw rod.

As a further optimization scheme of the utility model, be connected with the rocking handle on the gear shaft.

As a further optimization scheme of the utility model, the gear shaft is parallel with the fixed pin axle.

As a further optimization scheme of the utility model, the bottom of lift inner tube is equipped with the bulb, the lower extreme of bulb is inlayed inside bulb base.

The beneficial effects of the utility model reside in that: the utility model provides a suspension type mechanical jack leveling landing leg, reasonable in design, direct suspension are on vehicle chassis, and convenient to carry does not occupy the railway carriage space, plays lift and leveling function, and application method is simple moreover, and is light laborsaving.

Drawings

Fig. 1 is a schematic structural view of a leveling leg of a suspension type mechanical jack provided by the present invention;

fig. 2 is a structural schematic diagram of a suspension type mechanical jack leveling leg provided by the utility model in an unused state;

fig. 3 is a structural schematic diagram of a use state of a leveling support leg of a suspension type mechanical jack provided by the present invention.

In the figure: 1. an outer tube; 2. a drive box; 3. a first lifting lug; 4. a first lug seat; 5. a second lifting lug; 6. a second lug seat; 7. a lifting drive mechanism; 71. an outer disc; 72. a gear shaft; 73. a first gear; 74. a second gear; 8. lifting the inner pipe; 9. a threaded sleeve; 10. a ball head; 11. a ball head base; 12. a screw; 13. a movable pin shaft; 14. and fixing the pin shaft.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

A suspension type mechanical jack leveling leg:

as shown in fig. 1, the vehicle chassis lifting device comprises a lifting support leg, wherein a driving box 2 is arranged at the upper end of the lifting support leg, four groups of symmetrical first lifting lugs 3 are arranged at the upper end of the driving box 2, two groups of first lifting lugs 3 are connected with a first lifting lug seat 4 through a fixed pin 14, the first lifting lugs 3 rotate with the first lifting lug seat 4 through the fixed pin 14, a second lifting lug 5 is arranged at the middle position of one end of the outer wall of the lifting support leg, the second lifting lug 5 is connected with a second lifting lug seat 6 through a movable pin 13, the movable pin 13 is used for connecting the other two groups of first lifting lugs 3 with the first lifting lug seats 4 in a use state, and the first lifting lug seat 4 and the second lifting lug seat 6 are both fixedly arranged on the outer surface of the;

under the condition of using the landing leg, the movable pin shaft 13 is pulled up from the second lifting lug 5 and the second lifting lug seat 6, then the whole body rotates around the fixed pin shaft 14 until the other two groups of first lifting lugs 3 and the first lifting lug seats 4 are superposed, the movable pin shaft 13 is inserted into the other two groups of first lifting lugs 3 and the first lifting lug seats 4, so that the landing leg is stably connected with the chassis of the vehicle, and then the lifting landing leg is lifted; under the condition that the support leg is not used, the movable pin shaft 13 is pulled up from the other two groups of first lifting lugs 3 and the first lifting lug seats 4, the whole body is rotated back to the initial position, and the movable pin shaft 13 is inserted into the second lifting lug 5 and the second lifting lug seats 6 to restore the original position, so that the carrying and the use are convenient.

As shown in fig. 2 and 3, the lifting leg comprises an outer tube 1 and a lifting inner tube 8 located inside the outer tube 1, a ball head 10 is arranged at the bottom end of the lifting inner tube 8, the lower end of the ball head 10 is embedded inside a ball head base 11, the ball head 10 is not fixedly connected with the ball head base 11, so that the use is more convenient, the bottom end is not limited, a screw 12 is arranged inside the lifting inner tube 8, the screw 12 is in threaded connection with a threaded sleeve 9, the threaded sleeve 9 is fixedly connected with the top end of the inner wall of the lifting inner tube 8, a lifting driving mechanism 7 is arranged at the top end of the screw 12 extending into the driving box 2, the lifting driving mechanism 7 comprises an outer disc 71 fixed at one end of the outer surface of the driving box 2 and a gear shaft 72 penetrating through the center of the outer disc 71, the gear shaft 72 is parallel to a fixed pin 14, one end of the gear shaft 72, the second gear 74 is fixedly sleeved at the top end of the screw 12, the gear shaft 72 is connected with a rocking handle, a user can lift the lifting support legs through the rocking handle, the gear shaft 72 can also be connected with a speed reducing motor, and the output shaft end of the speed reducing motor is provided with a gear sleeve meshed with the gear shaft 72;

the gear sleeve of the rocking handle or the speed reducing motor is inserted on the gear shaft 72, the clockwise rotation drives the first gear 73 to rotate, and simultaneously drives the second gear 74 to rotate, the second gear 74 drives the screw 12 to rotate, the screw 12 rotates to drive the screw sleeve 9 to rotate and move downwards, the screw sleeve 9 is fixed on the lifting inner tube 8, the lifting inner tube 8 moves along with the screw sleeve 9, the effect that the lifting inner tube 8 extends and rises is achieved, and the effect that the direction of the anticlockwise rotation motion of the rocking handle is opposite to the effect that the lifting inner tube 8 is supported to withdraw and fall is achieved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A leveling supporting leg of a suspension type mechanical jack is characterized by comprising a lifting supporting leg, wherein the upper end of the lifting supporting leg is provided with a driving box (2), the upper end of the driving box (2) is provided with four groups of symmetrical first lifting lugs (3), wherein the two groups of first lifting lugs (3) are connected with the first lifting lug seat (4) through fixed pin shafts (14), the first lifting lugs (3) rotate with the first lifting lug seat (4) through the fixed pin shafts (14), a second lifting lug (5) is arranged in the middle of one end of the outer wall of the lifting support leg, the second lifting lug (5) is connected with a second lifting lug seat (6) through a movable pin shaft (13), the movable pin shaft (13) is used for connecting the other two groups of first lifting lugs (3) and first lifting lug seats (4) when in use, and the first lug seat (4) and the second lug seat (6) are fixedly arranged on the outer surface of the bottom end of the vehicle chassis.

2. A leveling leg of a suspended mechanical jack according to claim 1, wherein the lifting leg comprises an outer tube (1) and a lifting inner tube (8) positioned inside the outer tube (1), a screw (12) is arranged inside the lifting inner tube (8), the screw (12) is in threaded connection with a threaded sleeve (9), the threaded sleeve (9) is fixedly connected with the top end of the inner wall of the lifting inner tube (8), and a lifting driving mechanism (7) is arranged at the top end of the screw (12) extending into the driving box (2).

3. A leveling leg of a suspended mechanical jack as claimed in claim 2, wherein the lifting driving mechanism (7) comprises an outer disc (71) fixed at one end of the outer surface of the driving box (2) and a gear shaft (72) passing through the center of the outer disc (71), one end of the gear shaft (72) extending to the inside of the driving box (2) is connected with a first gear (73), one side of the first gear (73) is connected with a second gear (74) in a meshing manner, and the second gear (74) is fixedly sleeved on the top end of the screw rod (12).

4. A suspension jack levelling leg according to claim 3 in which a rocking handle is attached to the gear shaft (72).

5. A suspension jack levelling leg according to claim 4 in which the gear shaft (72) is parallel to the anchor pin (14).

6. A leveling leg of a suspended mechanical jack as claimed in claim 5, characterized in that the bottom end of the lifting inner tube (8) is provided with a ball head (10), and the lower end of the ball head (10) is embedded in a ball head base (11).