CN211871256U

CN211871256U - Jack with prevent empting structure

Info

Publication number: CN211871256U
Application number: CN201921953934.1U
Authority: CN
Inventors: 叶晴
Original assignee: Xian Fawei Electronic Technology Co Ltd
Current assignee: Xian Fawei Electronic Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-11-06
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a jack with prevent empting structure, the on-line screen storage device comprises a base, the side movable mounting of base has first pivot, the outside movable sleeve of first pivot is equipped with the bottom armed lever, the bottom armed lever is located the inside below fixedly connected with connecting rod of base, the bottom fixedly connected with rubber ball seat of connecting rod, the bottom of base is fixed to bond has the rubber bottom plate, the top movable mounting of bottom armed lever has the sliding seat, the medial surface movable mounting of sliding seat has the upper boom, the lead screw is installed to the side screw thread of sliding seat. 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.

Description

Jack with prevent empting structure

Technical Field

The utility model belongs to the technical field of mechanical equipment and specifically relates to a jack with prevent empting 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jack with prevent empting structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a 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 rods and the upper arm rods is two, two the bottom arm rods and the upper arm rods are symmetrically distributed with the central line of the top plate as the symmetry axis.

In further embodiment (or as the utility model discloses further scheme), the intercommunication chamber with rubber ball seat matched with is seted up to the bottom of base, and the intercommunication chamber can guarantee that rubber ball seat can be used in subaerial through the intercommunication chamber.

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

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

In a further embodiment (or as the utility model discloses a further scheme), the last fixed surface of top plate 7 installs the antiskid sheets, and the length value and the width value of antiskid sheets all equal with the length value and the width value of top plate 7.

Compared with the prior art, the beneficial effects of the utility model are 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 the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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 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 by those of ordinary skill in the art through specific situations.

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. 1-4, in the embodiment of the present invention, a jack with an anti-toppling structure comprises a base 1, a first rotating shaft 9 is movably mounted on a side surface of the base 1, a bottom arm 4 is movably sleeved on an outer side of the first rotating shaft 9, a connecting rod 12 is fixedly connected below the bottom arm 4 positioned inside the base 1, a rubber ball seat 13 is fixedly connected to a bottom of the connecting rod 12, a communicating cavity matched with the rubber ball seat 13 is formed at 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 mounted at a top of the bottom arm 4, an upper arm 5 is movably mounted on an 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 a central line of a top plate 7 as a symmetric axis, a lead screw 10 is, the length value of the screw rod 10 is greater than the sum of the length values of the two bottom arm rods 4, one end of the screw rod 10 is fixedly connected with a horizontal connecting rotary head 3, the top of the upper arm rod 5 is movably provided with a second rotating shaft 8, the side 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 antiskid sheet, the length value and the width value of the antiskid sheet are equal to the length value and the width value of the top plate 7, the side of the supporting seat 6 is fixedly connected with a side connecting seat 14, the side 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, a second side support plate 19 is fixedly connected to the inner side surface of the second side support rod 17, a tension spring 20 is fixedly connected to the bottom of the first side support plate 21, 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 utility model discloses a theory of operation is: 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 is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. A jack with an 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).