CN211664623U

CN211664623U - Automobile jack that many topography was used

Info

Publication number: CN211664623U
Application number: CN201921839198.7U
Authority: CN
Inventors: 王文安; 何涛; 金新元
Original assignee: Wenzhou University Oujiang College
Current assignee: Wenzhou University of Technology
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-10-13
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a jack that many topography was used, the on-line screen storage device comprises a base, the base bottom is equipped with trapezoidal screw, trapezoidal screw's quantity is four, the outside cover that all establishes of trapezoidal screw has the landing leg, the inside internal thread that all is equipped with trapezoidal screw assorted of landing leg, the landing leg bottom all is equipped with the ground claw, it is articulated between landing leg and the ground claw, ground claw bottom is equipped with the sawtooth, the base top left and right sides all articulates there is the lower carriage, four the lower carriage top is equipped with the upper bracket, the lower carriage is four with the quantity of upper bracket, four be connected through the three-head bolt between lower carriage and four upper brackets, the quantity of three-head bolt is two, two the inside lead screw that is equipped with of three-head bolt, four the upper bracket top is equipped with the top cap. The utility model discloses work efficiency is high, supports stably, is difficult for the slope smooth, convenient to use, is convenient for remove, is applicable to multiple topography.

Description

Automobile jack that many topography was used

Technical Field

The utility model relates to a jack technical field especially relates to a vapour jack that many topography was used.

Background

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

Through search, chinese patent No. CN103979455B discloses a coiled scissor jack device, which comprises: the cable winding device comprises a first connecting block, the first connecting block is rotatably connected with a first rotating arm and a second rotating arm, the first rotating arm is rotatably connected with a third rotating arm, the second rotating arm is rotatably connected with a fourth rotating arm, the third rotating arm and the fourth rotating arm are both rotatably connected with a second connecting block, a fixing block is arranged on the first rotating arm, a through hole is transversely formed in the fixing block, a first crank is arranged in the through hole in a penetrating mode, a winding wheel is arranged on the first crank, a steel cable is fixed on the winding wheel, the other end of the steel cable is connected with a screw rod, the screw rod penetrates through a screw hole in the fourth rotating arm, the screw rod is connected with a second crank, a groove is formed in the first crank, a jacking block rotatably connected with the first crank is arranged in the groove, and the jacking block is.

The existing jack has the following defects: the bottom of the jack is a single plane, and the supporting legs cannot freely stretch and retract and cannot adapt to work on various terrains.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vapour jack that many topography was used, the bottom has set up four landing legs, and the landing leg bottom has all installed the ground claw, has the support and stabilizes, is difficult for the slip that inclines, convenient to use, is convenient for remove, is applicable to the advantage of multiple topography, and the both sides support can stretch out and draw back simultaneously, has solved traditional jack and can not be applicable to multiple topography, the flexible inefficiency of work.

The automobile jack used in multiple terrains according to the embodiment of the utility model comprises a base, wherein the bottom end of the base is provided with four trapezoidal screws, the number of the trapezoidal screws is four, the outer parts of the trapezoidal screws are respectively provided with a sleeve with a supporting leg, the inner parts of the supporting legs are respectively provided with an inner thread matched with the trapezoidal screws, the bottom ends of the supporting legs are respectively provided with a ground claw, the supporting legs are hinged with the ground claws, the bottom parts of the ground claws are respectively provided with sawteeth, the left side and the right side of the top end of the base are respectively hinged with a lower bracket, the top ends of the four lower brackets are provided with upper brackets, the number of the lower brackets and the upper brackets is four, the four lower brackets and the four upper brackets are connected through three-head bolts, the number of the three-head bolts is two, the lead screws are arranged in the two three-head bolts, the top ends of the four, the four upper supports are hinged to the upper top cover, the rotating pins are located inside the positioning sleeves, and the number of the positioning sleeves is four.

Furthermore, the upper support and the upper top cover, the lower support and the base, and the support legs and the ground claws are hinged through rotating pins, and the thread turning directions of the two ends of the screw rod are opposite.

Further, the rotating pins in the upper top cover and the base are sleeved with sleeves.

Furthermore, the right end of the screw rod is provided with a right-angle rotating handle, a positioning pin is arranged between the right-angle rotating handle and the screw rod, the right end of the right-angle rotating handle is provided with a handle, and the handle is connected with the right-angle rotating handle through threads.

Further, the triple bolt and the upper bracket are fixed through a fastening nut.

Compared with the prior art, the utility model beneficial effect who has is:

1. the jack is provided with four support legs simultaneously, each support leg can stretch out and draw back within a certain range, ground claws are arranged at the bottom ends of the support legs, the support is stable, and the jack can adapt to work on various terrains;

2. the jack is provided with the right-angle rotating handle, the lifting of the jack can be realized only by slightly rotating the right-angle rotating handle in cooperation with the handle, the supports on the two sides can be stretched and contracted simultaneously, and the working efficiency is high; the device simple structure, work efficiency is high, convenient operation, safe and reliable, labour saving and time saving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of a multi-terrain vehicle jack according to the present invention;

fig. 2 is a top view of the multi-terrain vehicle jack according to the present invention;

fig. 3 is a schematic structural view of a triple-head bolt in an automobile jack used in multiple terrains according to the present invention.

In the figure: 1-base, 2-trapezoidal screw, 3-rotating pin, 4-lower support, 5-screw rod, 6-fastening nut, 7-upper support, 8-upper top cover, 9-anti-skid grain, 10-handle, 11-supporting leg, 12-right-angle rotating handle, 13-positioning pin, 14-three-head bolt, 15-ground claw, 16-positioning sleeve and 17-sawtooth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automobile jack for multi-terrain use comprises a base 1, trapezoidal screws 2 are arranged at the bottom end of the base 1, the number of the trapezoidal screws 2 is four, free extension and contraction of supporting legs 11 are achieved, the strength of the supporting legs 11 is enhanced, supporting legs 11 are sleeved outside the trapezoidal screws 2, internal threads matched with the trapezoidal screws 2 are arranged inside the supporting legs 11, ground claws 15 are arranged at the bottom ends of the supporting legs 11, the supporting legs 11 are hinged with the ground claws 15, sawteeth 17 are arranged at the bottoms of the ground claws 15 and can increase the strength of the supporting legs 11 attached to the ground, lower supports 4 are hinged to the left side and the right side of the top end of the base 1, upper supports 7 are arranged at the top ends of the four lower supports 4, the number of the lower supports 4 and the number of the upper supports 7 are four, the four lower supports 4 are connected with the four upper supports 7 through three-head bolts 14, nuts are arranged in the, and two bolts collineates, the quantity of three-head bolt 14 is two, the inside lead screw 5 that is equipped with of two three-head bolts 14 realizes moving about two three-head bolts 14, four upper bracket 7 tops are equipped with top cap 8, make by the support piece atress even, 8 top surfaces of top cap are equipped with anti-skidding line 9, prevent by the support piece slope slip, unstability, four upper bracket 7 are articulated with upper cap 8, rotating pin 3 is located inside locating sleeve 16, the number of locating sleeve 16 is four, can fix a position upper bracket 7 and lower carriage 4.

Upper bracket 7 and last top cap 8, lower carriage 4 and base 1, all articulated through rotating pin 3 between landing leg 11 and the ground claw 15, lead screw 5's both ends screw thread is turned to opposite, make and go up top cap 8 and can realize quick lift, go up top cap 8, all the cover is equipped with sleeve 16 on the rotating pin 3 in the base 1, fix a position upper bracket 7 and lower carriage 4, lead screw 5 right-hand member is equipped with right angle turning handle 12, be equipped with locating pin 13 between right angle turning handle 12 and the lead screw 5, prevent that right angle turning handle 12 from droing, right angle turning handle 12 right-hand member is equipped with handle 10, make operation convenient and fast more, through threaded connection between handle 10 and the right angle turning handle 12, three-head bolt 14 passes through fastening nut 6 with upper bracket 7 and fixes.

When the jack is used, the jack is arranged right below a needed supporting piece, the upper top cover 8 is kept as horizontal as possible, if the ground is not flat enough or the ground is too soft and not strong enough, one hand takes up the base 1, the other hand rotates the supporting leg 11, meanwhile, attention is paid to the fact that the sawtooth 17 at the bottom of the ground claw 15 reliably lands, the upper top cover 8 is kept horizontal by controlling the stretching of the supporting leg 11, then one hand holds the handle 10, the other hand gently holds the base 1 to stabilize the base, the right-angle rotating handle 12 is slowly rotated by the handle 10 to drive the screw rod 5 to rotate, the upper top cover 8 is slowly lifted along with the slow approach of the two three-head bolts 14, when the upper top cover 8 is contacted with the supported piece, the effort required for rotating the right-angle rotating handle 12 is larger, the rotating effect is increased by adopting a method of simultaneously rotating the right-angle rotating handle 12 by two hands, attention is paid to the situation of the ground claw 15, if, the upper top cover 8 is required to be descended to change the operation field, but the personal safety is ensured by paying attention to avoid colliding the head and other parts of the body, the right-angle rotating handle 12 is not rotated, the jack cannot automatically ascend or descend, namely, the jack is ensured to be immovable by the supporting piece, and the operation can be relieved. After the jack is used, the right-angle turning handle 12 is turned to realize the descending of the top cover 8 on the jack and the folding and the storage of the jack by the retractable supporting legs 11.

The details of the present invention are well known to those skilled in the art.

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.

Claims

1. The utility model provides a jack for car that many topography was used which characterized in that: the novel ground claw type elevator is characterized by comprising a base (1), a rotating pin (3) and a positioning sleeve (16), wherein trapezoidal screws (2) are arranged at the bottom end of the base (1), the number of the trapezoidal screws (2) is four, supporting legs (11) are sleeved outside the trapezoidal screws (2), internal threads matched with the trapezoidal screws (2) are arranged inside the supporting legs (11), ground claws (15) are arranged at the bottom ends of the supporting legs (11), the supporting legs (11) are hinged with the ground claws (15), sawteeth (17) are arranged at the bottoms of the ground claws (15), lower supports (4) are hinged to the left side and the right side of the top end of the base (1), upper supports (7) are arranged at the top ends of the four lower supports (4), the number of the lower supports (4) and the number of the upper supports (7) are four, and the four lower supports (4) and the four upper supports (7) are connected through three-head bolts (14), the quantity of three-head bolt (14) is two, two inside lead screw (5), four of being equipped with of three-head bolt (14) upper bracket (7) top is equipped with top cap (8), top cap (8) top surface is equipped with anti-skidding line (9), four upper bracket (7) are articulated with top cap (8), rotating pin (3) are located inside locating sleeve (16), the number of locating sleeve (16) is four.

2. A multi-terrain vehicle jack as defined in claim 1, wherein: the upper support (7) is hinged with the upper top cover (8), the lower support (4) is hinged with the base (1), the supporting legs (11) are hinged with the ground claws (15) through rotating pins (3), and the thread turning directions of two ends of the screw rod (5) are opposite.

3. A multi-terrain vehicle jack as defined in claim 1, wherein: the upper top cover (8) and the rotating pin (3) in the base (1) are sleeved with sleeves (16).

4. A multi-terrain vehicle jack as defined in claim 1, wherein: the right end of the screw rod (5) is provided with a right-angle rotating handle (12), a positioning pin (13) is arranged between the right-angle rotating handle (12) and the screw rod (5), the right end of the right-angle rotating handle (12) is provided with a handle (10), and the handle (10) is connected with the right-angle rotating handle (12) through threads.

5. A multi-terrain vehicle jack as defined in claim 1, wherein: the three-head bolt (14) and the upper bracket (7) are fixed through a fastening nut (6).