CN211664625U

CN211664625U - Scissor jack convenient for accommodating crank

Info

Publication number: CN211664625U
Application number: CN201922453758.1U
Authority: CN
Inventors: 田金峰; 张慧新
Original assignee: Zhengzhou Yatong Auto Parts Co ltd
Current assignee: Zhengzhou Yatong Auto Parts Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-13
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of the jack, specificly relate to a conveniently accomodate scissors jack of crank, this jack includes supporting seat, undersetting seat, connects go up the supporting seat with support arm component and screw rod between the undersetting seat, the tip of screw rod is connected with the rocking handle through the first articulated subassembly that has a locking mechanism, first articulated subassembly include with rocking handle fixed connection's first articulated shaft, the tip of screw rod be equipped with the first hinge hole of first articulated shaft complex, a locking mechanism is including setting up the first draw-in groove of first articulated shaft tip and with what the screw rod was connected be used for with the locking of first draw-in groove cooperation the first locking piece of the turned angle of first articulated shaft. The utility model is used for solve present jack rocking handle and supporting part separation and make the technical problem that the rocking handle loses easily.

Description

Scissor jack convenient for accommodating crank

Technical Field

The utility model belongs to the technical field of the jack, specificly relate to a conveniently accomodate scissors formula jack of crank.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. A scissor jack is a type of jack and is called a scissor jack because it is configured like a scissors. The scissor jack is convenient and quick to use, occupies a small space after being folded, and becomes a vehicle-mounted product for various automobile factories in China.

At present, the scissor jack rocking handle that markets was sold is the separation setting with the supporting part, need connect the rocking handle on the screw rod earlier with the rocking handle when needs support heavy object, utilizes the rocking handle to rotate the screw rod and rises the supporting part. Therefore, problems can occur, the jack is complex in use process due to the installation of the rocking handle, the angle is fixed after the rocking handle is installed, and the applicability is poor.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model aims to provide a conveniently accomodate scissors jack of crank for solve present jack crank and supporting part separation and make the technical problem that the crank lost easily.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a scissor jack of crank is conveniently accomodate, this jack includes supporting seat, under bracing seat, connection go up the supporting seat with support arm component and screw rod between the under bracing seat, the tip of screw rod is connected with the rocking handle through the first articulated subassembly that has a locking mechanism, first articulated subassembly include with rocking handle fixed connection's first articulated shaft, the tip of screw rod be equipped with the first hinge hole of first articulated shaft complex, a locking mechanism is including setting up the first draw-in groove of first articulated shaft tip and with what the screw rod was connected be used for with the cooperation of first draw-in groove is with the locking the first locking piece of the turned angle of first articulated shaft.

Preferably, the first card slot is provided with at least two locking positions.

Preferably, a first groove is formed in the screw rod along the circumferential direction of the first hinge hole, and the first locking member is arranged in the first groove.

Preferably, the first hinge assembly comprises a first U-shaped hinge seat arranged at the end part of the screw rod close to the rocking handle and a first hinge block arranged at the end part of the rocking handle close to the screw rod and used for being matched with the first U-shaped hinge seat.

Preferably, the rocking handle includes the first rocking arm that is used for with the screw rod is connected, connect first rocking arm keep away from the tip of screw rod, and set up first rocking arm with the second articulated subassembly that has second locking mechanism between the second rocking arm, the second articulated subassembly include with fixed connection's second articulated shaft on the second rocking arm, the tip of first rocking arm be provided with second articulated shaft complex second articulated hole, second locking mechanism including set up the second draw-in groove of the tip of second articulated shaft, and with be connected of first rocking arm be used for with the cooperation of second draw-in groove is in order to lock the turned angle of second articulated shaft second locking piece.

Preferably, the second card slot is provided with at least two locking positions.

Preferably, a second groove is formed in the first rocker arm along the circumferential direction of the second hinge hole, and the second locking member is arranged in the second groove.

Preferably, the second hinge assembly comprises a second U-shaped hinge seat disposed at an end portion of the first rocker arm close to the second rocker arm and a second hinge block disposed at an end portion of the second rocker arm close to the first rocker arm for cooperating with the second U-shaped hinge seat.

Adopt the utility model discloses technical scheme's beneficial effect does:

the rocking handle is connected to the end part of the screw rod through the first hinge assembly to form a whole with the supporting part, so that the trouble that the rocking handle needs to be stored independently when the rocking handle is separated from the supporting body is avoided, and the possibility of losing the rocking handle is reduced; through being provided with first locking mechanism in first articulated subassembly department for the angle of locking rocking handle and screw rod conveniently is suitable for different operational environment.

Drawings

FIG. 1 is a schematic view of a collapsed state of an embodiment of a scissor jack that facilitates stowing a crank;

FIG. 2 is a schematic view of an embodiment of a scissor jack with a handle that is easy to stow in use;

FIG. 3 is a schematic view of an embodiment of a rocking handle of a scissor jack that facilitates stowing the rocking handle;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a partial sectional view of the first hinge assembly of fig. 3.

In fig. 1-5, 1-upper support seat, 11-upper connection seat, 2-lower support seat, 21-lower connection seat, 3-upper support arm, 31-upper support arm a, 32-upper support arm B, 4-lower support arm, 41-lower support arm a, 42-lower support arm B, 5-left connection seat, 6-right connection seat, 7-screw rod, 71-first locking block, 72-first torsion spring, 73-first groove, 74-first connection shaft, 75-first U-shaped hinge seat, 76-first hinge hole, 8-rocking handle, 81-first rocking arm, 811-first hinge block, 812-first clamping groove, 813-second U-shaped hinge seat, 814-second locking block, 815-second torsion spring, 816-second groove, 817-a second connecting shaft, 818-a first hinge shaft, 819-a second hinge hole, 82-a second rocker arm, 821-a second hinge block, 822-a second clamping groove and 823-a second hinge shaft.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The detailed description is as follows

Embodiment 1, as shown in fig. 1 to 4, a scissor jack for easy storage of a crank comprises an upper support base 1, a lower support base 2, a support arm assembly, and a screw 7. The support arm assembly comprises an upper support arm 3 and a lower support arm 4. The upper support arm 3 includes an upper support arm a and an upper support arm B, and the lower support arm 4 includes a lower support arm a and a lower support arm B.

An upper connecting seat 11 is fixed on the lower side surface of the upper supporting seat 1, and an upper supporting arm A and an upper supporting arm B are respectively connected to the left side and the right side in the upper connecting seat 11 through shafts. One end of the upper supporting arm A, which is far away from the upper connecting seat 11, is connected in the left connecting seat 5 through a shaft, and the left connecting seat 5 is internally connected with a lower supporting arm A through another shaft. One end of the upper supporting arm B, which is far away from the upper connecting seat 11, is connected into the right connecting seat 6 through a shaft, and the right connecting seat 6 is simultaneously connected with the lower supporting arm B through another shaft. One end of the lower supporting arm A, which is far away from the left connecting seat 5, and one end of the lower supporting arm B, which is far away from the right connecting seat 6, are respectively connected in the lower connecting seat 21 through shafts. The upper connecting seat 11, the left connecting seat 5, the right connecting seat 6 and the lower connecting seat 21 are all made of U-shaped steel. One end of the screw rod 7 is connected with the left connecting seat 5 through a bearing assembly, the other end of the screw rod 7 penetrates through the right connecting seat 6, and the screw rod 7 is in threaded connection with the right connecting seat 6.

The screw 7 is connected with the rocking handle 8 through a first hinge assembly. The first hinge assembly includes a first hinge shaft 818, and the first hinge shaft 818 is fixedly connected to the end of the crank 8 close to the screw 7. The end of the screw rod 7 penetrating out of the right connecting seat 6 is provided with a first hinge hole 76 engaged with the first hinge shaft 818. The first locking mechanism is further disposed at the first hinge assembly, and includes a first locking groove 812 and a first locking block 71. The first locking groove 812 is disposed at the upper end of the first hinge shaft 818, the first locking block 71 is rotatably connected to the screw rod 7 through the first connecting shaft 74, and the first locking block 71 is clamped in the first locking groove 812 to lock the rotation angle of the first hinge shaft 818.

During the use, transferring this jack top in the object that needs the support, after rotating rocking handle 8 to suitable angle, rotate first locking piece 71 around first connecting axle 74 again and go into first draw-in groove 812 in the card, realized the fixed of relative angle between rocking handle 8 and screw rod 7, utilize rocking handle 8 to drive screw rod 7 to rotate this moment, realize the height and the reduction of going up supporting seat 1, it is easy and simple to handle, need not the installation step of rocking handle 8. Meanwhile, the rocking handle 8 is connected with the jack into a whole, so that the trouble that the rocking handle is easy to lose when being stored independently is avoided.

As a preferred embodiment of the first card slot 812, the first card slot 812 is provided with two locking positions, i.e., the first card slot 812 is a "ten" sub-pattern. The rocking handle 8 is conveniently locked in two directions, uses different user demands.

Further, a first groove 73 is formed in the screw 7, the first groove 73 is formed along the circumferential direction of the first hinge hole 76, and the first locking block 71 is rotatably connected in the first recess 73 through the first connecting shaft 74, so that the first connecting shaft 74 is prevented from being exposed on the surface of the screw 7. Further, a first torsion spring 72 is provided on the first connecting shaft 74, and the first torsion spring 72 presses the first locking piece 71 in a natural state so that the first locking piece 71 is pressed in the first catching groove 812. The provision of the first torsion spring 72 ensures the locking stability of the first locking mechanism.

Further, the first hinge assembly further includes a first U-shaped hinge seat 75 and a first hinge block 811. A first U-shaped hinge seat 75 is provided at an end of the screw 7, and a first hinge hole 76 is provided on the first U-shaped hinge seat 75. A first hinge block 811 is provided at an end of the rocker 8, and a first hinge shaft 818 is fixed to the first hinge block 811. The first hinge block 811 is inserted into the first U-shaped hinge seat 75. The first U-shaped hinge seat 75 and the first hinge block 811 form a snap-in connection, which ensures the firmness of the connection between the screw 7 and the rocking handle 8.

Further, the rocking handle 8 is divided into two ends, and the rocking handle 8 includes a first rocking arm 81, a second rocking arm 82 and a second hinge assembly. One end of the first rocker arm 81 close to the screw 7 is connected with the screw 7, and the first rocker arm 81 and the second rocker arm 82 are connected through a second hinge assembly. The second hinge assembly includes a second hinge shaft 823, and the second hinge shaft 823 is fixedly connected to an end portion of the second swing arm 82 close to the first swing arm 81. The end of the first rocker arm 82 near the second rocker arm 82 is provided with a second hinge hole 819 matched with the second hinge shaft 823, and the second hinge hole 823 penetrates into the second hinge hole 819 to realize the connection between the first rocker arm 81 and the second rocker arm 82. A second locking mechanism is disposed at the second hinge assembly, and the second locking mechanism includes a second locking groove 822 and a second locking block 814. The second locking groove 822 is disposed at the upper end of the first hinge shaft 818, the second locking block 814 is connected to the first rocker arm 81 through the second connecting shaft 817, the second locking block 814 is disposed at one side of the second locking groove 822, and the second locking block 814 is locked in the second locking groove 822 to lock the rotation angle of the first hinge shaft 818.

When the angle between the first rocker arm 81 and the second rocker arm 82 is adjusted, the second locking block 814 is pulled out of the second locking groove 822, the second rocker arm 82 is rotated, and the second locking block 814 is locked in the second locking groove 822 again after the angle between the first rocker arm 81 and the second rocker arm 82 is adjusted.

Further, second card slot 822 is provided with two locking positions, i.e., second card slot 822 is in a "ten" sub-style.

Further, a second recess 816 is also provided on the first rocker arm 81, the second recess 816 being provided along the circumferential direction of the second hinge hole 819. The second lock block 814 is coupled within the second recess 816 by a second coupling shaft 817. More specifically, the second connecting shaft 817 is provided with a second torsion spring 815, and the second torsion spring 815 presses the second locking block 814 in a natural state so that the second locking block 814 is pressed in the second locking groove 822. The provision of the second torsion spring 815 ensures the locking stability of the second locking mechanism.

Further, the second hinge assembly further includes a second U-shaped hinge seat 813 and a second hinge block 821. A second U-shaped hinge seat 813 is provided at an end of the first rocker arm 81, and a second hinge hole 819 is provided on the second U-shaped hinge seat 813. A second hinge block 821 is provided at an end of the second swing arm 82 near the first swing arm 81, and a second hinge shaft 823 is fixed to the second hinge block 821.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without the technical solutions of the present invention, or the present invention can be directly applied to other occasions without the improvements, and all are within the protection scope of the present invention.

Claims

1. The utility model provides a scissor jack of crank is conveniently accomodate, this jack includes supporting seat, undersetting seat, connects go up the supporting seat with support arm component and screw rod between the undersetting seat, a serial communication port, the tip of screw rod is connected with the rocking handle through the first articulated subassembly that has a locking mechanism, first articulated subassembly include with rocking handle fixed connection's first articulated shaft, the tip of screw rod be equipped with the first hinge hole of first articulated shaft complex, a locking mechanism is including setting up the first draw-in groove of first articulated shaft tip and with what the screw rod was connected be used for with the locking of first draw-in groove cooperation the turned angle's of first articulated shaft first locking piece.

2. The scissor jack with the handle easy to stow of claim 1, wherein the first catch is provided with at least two locking positions.

3. The scissor jack with the crank convenient to store as claimed in claim 2, wherein a first groove is formed in the screw rod along a circumferential direction of the first hinge hole, and the first locking member is disposed in the first groove.

4. The scissor jack with the handle conveniently stowed according to claim 3, wherein the first hinge assembly includes a first U-shaped hinge seat disposed at an end of the threaded rod proximate to the handle and a first hinge block disposed at an end of the handle proximate to the threaded rod for mating with the first U-shaped hinge seat.

5. The scissor jack with the crank easy to store as claimed in any one of claims 1 to 4, characterized in that the rocking handle comprises a first rocking arm connected with the screw rod, a second rocking arm connected with the end part of the first rocking arm far away from the screw rod, and a second hinge assembly with a second locking mechanism arranged between the first rocking arm and the second rocking arm, the second hinge component comprises a second hinge shaft fixedly connected with the second rocker arm, the end part of the first rocker arm is provided with a second hinge hole matched with the second hinge shaft, the second locking mechanism comprises a second clamping groove formed in the end portion of the second hinged shaft and a second locking piece which is connected with the first rocker arm and matched with the second clamping groove to lock the rotation angle of the second hinged shaft.

6. The scissor jack with the handle conveniently stowed according to claim 5, wherein the second catch is provided with at least two locking positions.

7. The scissor jack with the crank conveniently stored as claimed in claim 6, wherein the first rocker arm is provided with a second groove along a circumference of the second hinge hole, and the second locking member is disposed in the second groove.

8. The scissor jack with the handle conveniently stowed according to claim 7, wherein the second hinge assembly includes a second U-shaped hinge seat disposed at an end of the first rocker arm proximate the second rocker arm and a second hinge block disposed at an end of the second rocker arm proximate the first rocker arm for cooperating with the second U-shaped hinge seat.