阅读说明：本技术 一种带有防倾倒结构的千斤顶 (Jack with prevent empting structure ) 是由 叶晴 于 2019-11-13 设计创作，主要内容包括：本发明公开了一种带有防倾倒结构的千斤顶,包括底座,所述底座的侧面活动安装有第一转轴,所述第一转轴的外侧活动套装有底部臂杆,所述底部臂杆位于底座内部的下方固定连接有连接杆,所述连接杆的底部固定连接有橡胶球座,所述底座的底部固定粘接有橡胶底板,所述底部臂杆的顶部活动安装有活动座,所述活动座的内侧面活动安装有上臂杆,所述活动座的侧面螺纹安装有丝杆。通过设置侧连接座和连接轴以及第一侧支撑杆和第二侧支撑杆和拉簧的配合,使得该千斤顶在使用的过程中可以对千斤顶的侧面进行顶起,进而保证该千斤顶在使用的过程中出现倾斜时导致千斤顶倾倒,进而防止在千斤顶使用时倾倒,导致物体突然出现掉落对物体造成损坏的问题。(The invention discloses a jack with an anti-toppling structure, which comprises a base, wherein a first rotating shaft is movably arranged on the side surface of the base, a bottom arm rod is movably sleeved on the outer side of the first rotating shaft, a connecting rod is fixedly connected below the bottom arm rod positioned in the base, a rubber ball seat is fixedly connected to the bottom of the connecting rod, a rubber bottom plate is fixedly bonded to the bottom of the base, a movable seat is movably arranged at the top of the bottom arm rod, an upper arm rod is movably arranged on the inner side surface of the movable seat, and a lead screw is arranged on the side surface of the movable seat in a threaded mode. Through the cooperation that sets up side connecting seat and connecting axle and first side bar and second side bar and extension spring for this jack can jack up the side of jack at the in-process that uses, and then guarantees that this jack leads to the jack to empty when the slope appears in the in-process that uses, and then prevents to empty when the jack uses, leads to the object to appear suddenly and drop and cause the problem of damage to the object.)

1. The jack with the anti-toppling structure comprises a base (1) and is characterized in that a first rotating shaft (9) is movably mounted on the side face of the base (1), a bottom arm rod (4) is movably sleeved on the outer side of the first rotating shaft (9), a connecting rod (12) is fixedly connected to the lower portion, located inside the base (1), of the bottom arm rod (4), a rubber ball seat (13) is fixedly connected to the bottom of the connecting rod (12), and a rubber bottom plate (11) is fixedly bonded to the bottom of the base (1);

the top movable mounting of bottom armed lever (4) has sliding seat (2), the medial surface movable mounting of sliding seat (2) has upper arm lever (5), lead screw (10) is installed to the side screw thread of sliding seat (2), the one end fixed connection of lead screw (10) has horizontally connect turn round (3), the top movable mounting of upper arm lever (5) has second pivot (8), the side movable mounting of second pivot (8) has supporting seat (6), the top fixed mounting of supporting seat (6) has top board (7), the side fixed connection of supporting seat (6) has side connecting seat (14), the side movable mounting of side connecting seat (14) has connecting axle (15), the surface movable mounting of connecting axle (15) has first side bracing piece (16), the bottom movable mounting of first side bracing piece (16) has second side bracing piece (17), a bottom supporting seat (18) is movably arranged at the bottom of the second side supporting rod (17);

the inner side surface of the first side supporting rod (16) is fixedly connected with a first side supporting plate (21), the inner side surface of the second side supporting rod (17) is fixedly connected with a second side supporting plate (19), the bottom of the first side supporting plate (21) is fixedly connected with a tension spring (20), and the bottom of the tension spring (20) is fixedly connected with the top of the second side supporting plate (19).

2. The jack with anti-toppling structure as claimed in claim 1, wherein the number of the bottom arm rods (4) and the upper arm rods (5) is two, and the two bottom arm rods (4) and the upper arm rods (5) are symmetrically distributed with the central line of the top plate (7) as a symmetry axis.

3. The jack with the anti-toppling structure as claimed in claim 1, wherein the bottom of the base (1) is provided with a communication cavity matched with the rubber ball seat (13).

4. The jack with anti-toppling structure as claimed in claim 1, wherein the extension spring (20) has an outer diameter value of 100mm, an inner diameter value of 80mm and a rigidity value of 20 kg/cm.

5. Jack with anti-toppling structure, according to claim 1, characterized in that the length value of the screw (10) is greater than the sum of the length values of the two bottom arms (4).

6. The jack with the anti-toppling structure as claimed in claim 1, wherein the anti-slip sheet is fixedly mounted on the upper surface of the top plate (7), and the length and the width of the anti-slip sheet are equal to those of the top plate (7).

Technical Field

The invention relates to the field of mechanical equipment, in particular to a jack with an anti-toppling structure.

Background

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

The existing jacks generally comprise hydraulic jacks or simple rack jacks, only one type of up-and-down motion condition is achieved in the using process, and then the device is jacked up, and the jacks comprise manual jacks and automatic jacks.

When the jack is used at present, the jack can topple over under the action of a jacked object, so that the object suddenly falls down to damage the object or hurt a human body.

Disclosure of Invention

The present invention is directed to a jack with an anti-toppling structure, so as to solve the problems of the prior art.

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

a jack with an anti-toppling structure comprises a base, wherein a first rotating shaft is movably mounted on the side surface of the base, a bottom arm rod is movably sleeved on the outer side of the first rotating shaft, a connecting rod is fixedly connected below the bottom arm rod positioned in the base, a rubber ball seat is fixedly connected to the bottom of the connecting rod, and a rubber bottom plate is fixedly bonded to the bottom of the base;

the top of the bottom arm rod is movably provided with a movable seat, the inner side surface of the movable seat is movably provided with an upper arm rod, the side surface of the movable seat is provided with a lead screw in a threaded manner, one end of the lead screw is fixedly connected with a horizontal connecting swivel, the top of the upper arm rod is movably provided with a second rotating shaft, the side surface of the second rotating shaft is movably provided with a supporting seat, the top of the supporting seat is fixedly provided with a top plate, the side surface of the supporting seat is fixedly connected with a side connecting seat, the side surface of the side connecting seat is movably provided with a connecting shaft, the outer surface of the connecting shaft is movably provided with a first side supporting rod, the bottom of the first side supporting rod is movably provided with a second side;

the inner side surface of the first side supporting rod is fixedly connected with a first side supporting plate, the inner side surface of the second side supporting rod is fixedly connected with a second side supporting plate, the bottom of the first side supporting plate is fixedly connected with a tension spring, and the bottom of the tension spring is fixedly connected with the top of the second side supporting plate.

In a further embodiment (or as a further aspect of the present invention), the number of the bottom arm levers and the number of the upper arm levers are two, and the two bottom arm levers and the two upper arm levers are symmetrically distributed with the central line of the top plate as a symmetry axis.

In a further embodiment (or as a further aspect of the present invention), the bottom of the base is provided with a communicating cavity matched with the rubber ball seat, and the communicating cavity can ensure that the rubber ball seat can act on the ground through the communicating cavity.

In a further embodiment (or as a further aspect of the invention), the tension spring has an outer diameter of 100mm, an inner diameter of 80mm, and a steel gauge of 20 kg/cm.

In a further embodiment (or as a further aspect of the present invention), the length of the screw rod is greater than the sum of the lengths of the two bottom arms, so that the screw rod cannot be disengaged when the two bottom arms are in a horizontal state.

In a further embodiment (or as a further aspect of the present invention), the top plate 7 is fixedly installed with a cleat on the upper surface, and the length and the width of the cleat are both equal to those of the top plate 7.

Compared with the prior art, the invention has the beneficial effects that: through the cooperation that sets up side connecting seat and connecting axle and first side bar and second side bar and extension spring for this jack can jack up the side of jack at the in-process that uses, and then guarantees that this jack leads to the jack to empty when the slope appears in the in-process that uses, and then prevents to empty when the jack uses, leads to the object to appear suddenly and drop and cause the problem of damage to the object.

Drawings

Fig. 1 is a structural front view of a jack having an anti-toppling structure.

Fig. 2 is a sectional view of a base in a jack having an anti-toppling structure.

Fig. 3 is a structural side view of a top plate in a jack having an anti-toppling structure.

Fig. 4 is a schematic view of a lateral support bar in a jack having an anti-toppling structure.

In the figure: 1. a base; 2. a movable seat; 3. horizontally connecting the rotary head; 4. a bottom arm; 5. an upper arm lever; 6. a supporting seat; 7. a top plate; 8. a second rotating shaft; 9. a first rotating shaft; 10. a screw rod; 11. a rubber bottom plate; 12. a connecting rod; 13. a rubber ball seat; 14. a side connecting seat; 15. a connecting shaft; 16. a first side support bar; 17. a second side support bar; 18. a bottom support seat; 19. a second side support plate; 20. a tension spring; 21. a first side support plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-4, in the embodiment of the invention, a jack with an anti-toppling structure comprises a base 1, a first rotating shaft 9 is movably installed on the side surface of the base 1, a bottom arm 4 is movably sleeved on the outer side of the first rotating shaft 9, a connecting rod 12 is fixedly connected below the bottom arm 4 positioned in the base 1, a rubber ball seat 13 is fixedly connected to the bottom of the connecting rod 12, a communicating cavity matched with the rubber ball seat 13 is formed in the bottom of the base 1, a rubber bottom plate 11 is fixedly bonded to the bottom of the base 1, a movable seat 2 is movably installed at the top of the bottom arm 4, an upper arm 5 is movably installed on the inner side surface of the movable seat 2, the number of the bottom arm 4 and the number of the upper arm 5 are two, the two bottom arms 4 and the upper arm 5 are symmetrically distributed by taking the central line of a top plate 7 as a symmetrical axis, a screw rod 10 is installed on the side surface of the movable seat 2, the length value of the, one end of the screw rod 10 is fixedly connected with a horizontal connecting swivel 3, the top of the upper arm rod 5 is movably provided with a second rotating shaft 8, the side surface of the second rotating shaft 8 is movably provided with a supporting seat 6, the top of the supporting seat 6 is fixedly provided with a top plate 7, the upper surface of the top plate 7 is fixedly provided with an anti-slip sheet, the length value and the width value of the anti-slip sheet are equal to those of the top plate 7, the side surface of the supporting seat 6 is fixedly connected with a side connecting seat 14, the side surface of the side connecting seat 14 is movably provided with a connecting shaft 15, the outer surface of the connecting shaft 15 is movably provided with a first side supporting rod 16, the bottom of the first side supporting rod 16 is movably provided with a second side supporting rod 17, the bottom of the second side supporting rod 17 is movably provided with a bottom supporting seat 18, the inner side surface of the first side, the bottom of the first side support plate 21 is fixedly connected with a tension spring 20, the outer diameter value of the tension spring 20 is 100mm, the inner diameter value is 80mm, the steel degree value is 20kg/cm, and the bottom of the tension spring 20 is fixedly connected with the top of the second side support plate 19; by arranging the side connecting seats 14 and the connecting shaft 15 and the matching of the first side supporting rod 16 and the second side supporting rod 17 and the tension spring 20; so that the side surface of the jack can be jacked up in the using process of the jack; so as to ensure that the jack topples when the jack tilts in the using process; and then prevent to topple over when the jack uses and lead to the object to appear suddenly and drop the problem that causes the damage to the object.

The working principle of the invention is as follows: when in use, the top plate 7 is firstly placed at the bottom of an object, at the moment, the auxiliary rod is used for driving the horizontal connecting rotary head 3 to rotate, the horizontal connecting rotary head 3 drives the screw rod 10 to rotate so as to lead the movable seat 2 to move inwards, so that the bottom arm rod 4 and the upper arm rod 5 incline around the movable seat 2, and the supporting seat 6 moves upwards, and after the angle of the bottom arm rod 4 is inclined, the connecting rod 12 drives the rubber ball seat 13 to incline so that the rubber ball seat 13 is clamped on the ground, when the rubber ball seat rises to a certain height, the first side supporting rod 16 is inclined, then the bottom support 18 is placed on the ground, and the second side support bar 17 is pushed towards the inner side of the jack, so that the force of the tension spring 20 pulls the first side support bar 16 and the second side support bar 17 to ensure the support of the side surface of the jack.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.