Foldable anti-toppling jack

Abstract

The foldable anti-toppling jack comprises a base, a stabilizer bar, a ratchet bar sleeve, ratchets, a rotating plate, an upper flat plate, rhombic supports, a driving assembly and a pawl, the stabilizer bar is elastically installed below the base through a spring and a bolt, the rhombic supports are installed on lug plates on the two sides of the base, and the ratchet bar sleeve is sleeved with the ratchets. The driving assembly is located at the connecting position of the rhombic support, the upper flat plate is connected with the rhombic support through a pin shaft, a rotating plate capable of rotating is arranged above the upper flat plate, a pair of ratchet rod sleeves connected with the ratchet rods in a sleeved mode are installed on lug plates on the two sides of the stabilizing rod, and the ratchet rods are limited to move in one direction through pawls installed in the ratchet rod sleeves. The ratchet rods are installed on the round holes in the two sides of the rotating plate through the ratchet rod lug plates and screws, the jack can be opened through rotation of the stabilizing rod, force borne by the jack in the four directions on the plane is effectively supported, and the situation that the jack topples over due to external force generated in the vehicle maintenance process, and consequently danger is generated is avoided.

Description

Technical Field

[0001] The utility model relates to the field of lifting equipment, in particular to a foldable anti-dumping jack. Background Art

[0002] A jack is a light lifting device that uses a rigid lifting piece as a working device. It lifts heavy objects within the stroke through a top support or a bottom claw. It is one of the essential tools for emergency car repairs. In car repairs, when a tire needs to be replaced, a jack is needed to lift the entire car chassis. In actual operation, the car chassis is often in a tilted state, and the vehicle may sway forward or backward. In this case, the force borne by the jack will also be tilted, which can easily cause the jack to tip over. Moreover, most existing portable jacks use a screw hand-cranked structure. The jack will be subjected to the reciprocating force of the hand during the hand-cranking process. At this time, the base supported on the ground is prone to offset, causing the vehicle to fall, thereby causing injuries to the operator and damage to the vehicle and the jack body.

[0003] In view of the above problems of jacks, it is necessary to design an anti-dumping jack that can meet the requirements of simple operation, high reliability and space saving. Utility Model Content

[0004] Aiming at the shortcomings of the existing jacks, the utility model provides a foldable anti-dumping jack, which solves the problems existing in the background technology through a mechanical device.

[0005] The utility model is realized through the following technical solutions.

[0006] A foldable anti-dump jack, including a foldable anti-dump jack, characterized in that it includes a base, a stabilizing rod, a ratchet rod sleeve, a ratchet rod, a ratchet rod ear plate, a rotating plate, an upper plate, a rhombus bracket, a driving assembly, a ratchet, a spring, a bolt, and a nut; the stabilizing rod is elastically installed below the base through a spring and a bolt, the spring located between the inner surface of the base and the nut is connected to the bolt pin, the rhombus bracket is installed on the ear plates on both sides of the base, the driving assembly is located at the connection of the rhombus bracket, the upper plate is connected to the rhombus bracket pin, a rotatable rotating plate is provided above the upper plate, a pair of ratchet rod sleeves sleeved and connected to the ratchet rod are installed on both sides of the stabilizing rod, the ratchet is installed in the ratchet rod sleeve and contacts the ratchet rod, and the ratchet rod is installed on the rotating plate circular holes on both sides of the rotating plate with screws through the ratchet rod ear plates.

[0007] Furthermore, a limiting groove is provided in the center of the bottom of the base, and a base circular hole is provided in the center of the limiting groove. The bolts, nuts and springs installed in the base circular hole can make the rotated stabilizing rod cooperate with the limiting groove.

[0008] Furthermore, a rectangular groove and a circular hole of the stabilizing rod are provided at the bottom of the stabilizing rod, the bolt is installed in the circular hole of the stabilizing rod on the surface of the rectangular groove, and stabilizing rod ear plates connected to the ratchet rod sleeve pin are provided on both sides of the stabilizing rod.

[0009] Furthermore, a cavity is provided inside the ratchet rod sleeve for being engaged with the ratchet rod sleeve, a ratchet rod sleeve boss is provided on the upper surface of the ratchet rod sleeve, round holes of the ratchet sleeve for installing ratchets are provided on both sides of the boss, and a square hole of the ratchet rod sleeve is provided on the rear side of the ratchet rod sleeve boss.

[0010] Furthermore, circular holes for fixing the ratchet rod ear plates are provided on both sides of the rotating plate, a circular ring that can be connected to the upper plate pin is provided at the bottom of the rotating plate, and a fixing groove that is stuck in the bottom of the vehicle is provided on the boss on the upper surface of the rotating plate.

[0011] Furthermore, the upper plate is provided with a cylindrical boss connected to the circular pin on the rotating plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The stabilizer bar in the utility model can rotate at the bottom of the base, so that the jack can be folded, which greatly saves the space occupied by the jack. The stabilizer bar can fall into the limit groove reserved at the bottom of the base through the spring and bolt assembly, so that the base and the stabilizer bar are in the same plane, so that the contact area between the jack and the ground becomes larger, which greatly increases the stability of the jack;

[0014] 2. The utility model adopts a ratchet rod and ratchet mechanism to enable the ratchet rod to move intelligently in one direction in the ratchet rod sleeve, which not only provides good support in every direction, but also improves the reliability of the jack and can effectively eliminate the hidden danger of the jack tipping over due to the force from the forward and backward directions of the car. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model when it is unfolded.

[0016] Figure 2 It is a schematic diagram of the overall half-section structure of the utility model when it is folded.

[0017] Figure 3 It is a partial schematic diagram of a half-section of the whole front view of the utility model when it is folded.

[0018] Figure 4 It is a schematic diagram of the bottom structure of the utility model when it is unfolded.

[0019] Figure 5 It is a schematic diagram of the top structure of the utility model when it is unfolded.

[0020] Figure 6This is a schematic diagram of the base structure of the utility model.

[0021] Figure 7 This is a schematic diagram of the structure of the stabilizer bar of the utility model.

[0022] Figure 8 It is a schematic diagram of the structure of the ratchet rod sleeve of the utility model.

[0023] Fig. 9 This is a schematic diagram of the structure of the rotating plate of the utility model.

[0024] Fig.10 It is a schematic diagram of the upper plate structure of the utility model.

[0025] In the figure, 1 is a base, 2 is a stabilizing rod, 3 is a ratchet rod sleeve, 4 is a ratchet rod, 5 is an ear plate, 6 is a rotating plate, 7 is an upper plate, 8 is a diamond support frame, 9 is a driving assembly, 10 is a ratchet, 11 is a spring, 12 is a bolt, and 13 is a nut. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0027] Figure 1-10 The schematic diagram of the structure of a foldable anti-dumping jack proposed by the utility model is shown. For the convenience of description, the "upper", "lower", "left" and "right" mentioned below are consistent with the upper, lower, left and right directions of the drawings themselves, but do not limit the structure of the utility model.

[0028] See also Figure 1-3The utility model provides a technical solution: a foldable anti-dumping jack, including a base 1, a stabilizing rod 2, a ratchet rod sleeve 3, a ratchet rod 4, a ratchet rod ear plate 5, a rotating plate 6, an upper plate 7, a diamond bracket 8, a driving assembly 9, a ratchet 10, a spring 11, a bolt 12, and a nut 13; the stabilizing rod 2 is elastically installed under the base 1 through the spring 11 and the bolt 12, the spring 11 located between the inner surface of the base 1 and the nut 13 is connected with the bolt 12 pin, the stabilizing rod 2 can be attached to the bottom surface of the base 1 through the spring 13, the diamond bracket 8 is installed on the ear plates on both sides of the base 1, and the driving assembly 9, the ratchet 10, the spring 11, the bolt 12 and the nut 13 are connected to the stabilizing rod 2 through the spring 13. The moving component 9 is located at the connection of the diamond bracket 8, the upper plate 7 is pin-connected to the diamond bracket 8, and a rotatable rotating plate 6 is provided above the upper plate 7. The diamond bracket 8 can be lifted by rotating the driving component 9, thereby driving the upper plate 7 and the rotating plate 6 to lift, and the vehicle is lifted. A pair of ratchet rod sleeves 3 connected with the ratchet rod 4 are installed on both sides of the stabilizer bar 2, and the ratchet 10 is installed in the ratchet rod sleeve 3 and contacts with the ratchet rod 4. The ratchet rod 4 is installed on the rotating plate circular holes 601 on both sides of the rotating plate 6 through the ratchet rod ear plates 5 with screws. When the rotating plate 6 is lifted, the ratchet rod 4 in the ratchet rod sleeve 3 will be pulled out.

[0029] like Figure 6 As shown, specifically, a limiting groove 101 is provided in the center of the bottom of the base 1, and a base circular hole 102 is provided in the center of the limiting groove 101. The bolt 12, nut 13 and spring 11 installed in the base circular hole 102 can make the rotated stabilizing rod 2 cooperate with the limiting groove 101, so that the base 1 and the stabilizing rod 2 always remain vertical.

[0030] like Figure 7 As shown, specifically, a rectangular groove 201 and a stabilizing rod circular hole 202 are provided at the bottom of the stabilizing rod 2, and a bolt 12 is installed in the stabilizing rod circular hole 202 on the surface of the rectangular groove 201, so that the head of the bolt 12 falls into the rectangular groove 201 to ensure that the stabilizing rod 2 and the ground of the base 1 are in the same plane, and stabilizing rod ear plates 203 connected to the pin shaft of the ratchet rod sleeve 3 are provided on both sides of the stabilizing rod 2.

[0031] like Figure 8 As shown, specifically, a cavity is provided inside the ratchet rod sleeve 3 for being sleeved and connected with the ratchet rod 4, a ratchet rod sleeve boss 301 is provided on the upper surface of the ratchet rod sleeve 3, ratchet rod sleeve round holes 302 for installing the ratchet 10 are provided on both sides of the boss, and a ratchet rod sleeve square hole 303 is provided on the rear side of the ratchet rod sleeve boss 301. During the rising process of the jack, the ratchet 10 causes the ratchet rod 4 to move unidirectionally in the ratchet rod sleeve 3.

[0032] like Fig. 9As shown, specifically, rotating plate circular holes 601 are provided on both sides of the rotating plate 6 to be fixed to the ratchet rod ear plates 5, a circular ring 602 is provided at the bottom of the rotating plate 6 to be connected to the pin shaft of the upper plate 7, and a fixing groove 603 is provided on the boss on the upper surface of the rotating plate 6 to be stuck on the bottom of the vehicle. The rotating plate 6 rotates on the upper plate 7 so that the jack can realize the folding function, and the groove on the rotating plate 7 prevents the vehicle from slipping easily.

[0033] like Fig.10 As shown, specifically, the upper plate 7 is provided with a cylindrical boss 701 which is pin-connected to the ring 602 on the rotating plate 6 .

[0034] When the utility model is in use, first, the user needs to rotate the stabilizer bar 2 to make it fall into the limiting groove 101 at the bottom of the base 1, so that the stabilizer bar 2 and the base 1 are vertical, and the rotating plate 6 above is also rotated 90 degrees, and then the jack is placed on the ground, and the fixed groove 603 of the rotating plate 6 is aligned with the wing plate at the bottom of the vehicle, and the diamond bracket 8 can be lifted by rotating the driving assembly 9, thereby driving the upper plate 7 and the rotating plate 6 to lift the vehicle. While lifting, the rotating plate 6 will pull out the ratchet rod 4 in the ratchet rod sleeve 3, so that the ratchet 10 is engaged with the teeth above the ratchet rod 4, thereby balancing the forces in all directions on the plane to prevent the jack from tipping over during vehicle maintenance. After the maintenance is completed, the paddle behind the ratchet 10 is moved, and the driving assembly 9 is rotated in the reverse direction to reduce the height of the jack to the minimum, and then the stabilizer bar 2 is pulled downward out of the groove 101 of the base 1, and the jack is folded by rotating the stabilizer bar 2 in the reverse direction to complete the entire repair process.

[0035] It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the technical solution concept of the present application, which all fall within the scope of protection of the present application.

Claims

1. A foldable anti-dumping jack, characterized in that: The invention comprises a base (1), a stabilizing rod (2), a ratchet rod sleeve (3), a ratchet rod (4), a ratchet rod ear plate (5), a rotating plate (6), an upper plate (7), a diamond-shaped bracket (8), a driving assembly (9), a ratchet pawl (10), a spring (11), a bolt (12), and a nut (13); the stabilizing rod (2) is elastically mounted below the base (1) through the spring (11) and the bolt (12); the spring (11) located between the inner surface of the base (1) and the nut (13) is pin-connected to the bolt (12); the diamond-shaped bracket (8) is mounted on the base (1) On the ear plates on both sides, the driving assembly (9) is located at the connection of the rhombus bracket (8), the upper plate (7) is connected to the rhombus bracket (8) by a pin shaft, a rotatable rotating plate (6) is provided above the upper plate (7), a pair of ratchet rod sleeves (3) which are sleeved and connected with the ratchet rod (4) are installed on both sides of the stabilizing rod (2), the ratchet pawl (10) is installed in the ratchet rod sleeve (3) and contacts with the ratchet rod (4), and the ratchet rod (4) is installed on the rotating plate circular holes (601) on both sides of the rotating plate (6) by screws through the ratchet rod ear plates (5).

2. A foldable anti-dumping jack according to claim 1, characterized in that: A limiting groove (101) is provided in the center of the bottom of the base (1), and a base circular hole (102) is provided in the center of the limiting groove (101). The bolt (12), nut (13) and spring (11) installed in the base circular hole (102) can enable the stabilizing rod (2) to cooperate with the limiting groove (101) after rotation.

3. A foldable anti-dumping jack according to claim 1, characterized in that: The bottom of the stabilizing rod (2) is provided with a rectangular groove (201) and a stabilizing rod circular hole (202); the bolt (12) is installed in the stabilizing rod circular hole (202) on the surface of the rectangular groove (201); and stabilizing rod ear plates (203) connected to the pin shaft of the ratchet rod sleeve (3) are provided on both sides of the stabilizing rod (2).

4. A foldable anti-dumping jack according to claim 1, characterized in that: The ratchet rod sleeve (3) has a cavity inside which is sleeved and connected with the ratchet rod (4), the upper surface of the ratchet rod sleeve (3) is provided with a ratchet rod sleeve boss (301), both sides of the boss are provided with ratchet rod sleeve round holes (302) for mounting the ratchet pawl (10), and the rear side of the ratchet rod sleeve boss (301) is provided with a ratchet rod sleeve square hole (303).

5. The foldable anti-dumping jack according to claim 1, characterized in that: The rotating plate (6) is provided with rotating plate circular holes (601) fixed to the ratchet rod ear plates (5) on both sides, the rotating plate (6) is provided with a circular ring (602) that can be connected to the pin shaft of the upper plate (7) at the bottom, and the boss on the upper surface of the rotating plate (6) is provided with a fixing groove (603) that is clamped on the bottom of the vehicle.

6. A foldable anti-dumping jack according to claim 1, characterized in that: The upper plate (7) is provided with a cylindrical boss (701) which is pin-connected to the circular ring (602) on the rotating plate (6).

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