CN211712511U

CN211712511U - Mechanical small jack

Info

Publication number: CN211712511U
Application number: CN202020236182.3U
Authority: CN
Inventors: 何超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-20
Anticipated expiration: 2030-03-02

Abstract

The utility model provides a mechanical small jack, which comprises a base; the top of the base is fixedly provided with a support body; a rotating rod is movably embedded in the inner side of the supporting rod; and a connecting pin is movably embedded in the inner side of the base. Setting of base and bearing plate, be favorable to improving the convenience of using, when the heavy object is higher apart from ground position or the heavy object need lift high time, can connect two or a plurality of this device from top to bottom, connect in the base of the jack at the bearing plate embedding top of the jack of bottom and through the connecting pin during connection, it is very firm and difficult for droing after the connection, then place the jack combination after the equipment in the heavy object below, continue to promote bracing piece and the bearing plate rebound of a plurality of jacks through rotatory mode, thereby jack up the heavy object, and also can improve the height that can rise, satisfy different high demands, also can play good result of use through the combination when using in the face of higher heavy object.

Description

Mechanical small jack

Technical Field

The utility model belongs to the technical field of the jack, more specifically say, in particular to small-size jack of mechanical type.

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. 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.

For example, the patent with application number 201620411619.6 discloses a mechanical small jack, which comprises a rotating structure and a bearing structure, wherein the rotating structure is connected with the bearing structure through threads, the rotating structure rotates relative to the bearing structure to jack a heavy object, and the top end of the rotating structure is provided with a bearing ball for jacking the heavy object. The handle is rotated to drive the rotating shaft to rotate relative to the bearing structure, so that the rotating shaft moves upwards to push the heavy object to rise; the utility model can be horizontally placed for moving heavy objects; the distance adjusting pad of the utility model is used for adjusting the distance between the bearing ball and the heavy object, so that the operation range of the jack can meet the actual requirement; the utility model discloses simple structure, manufacturing method is simple, and the load lifting capacity can be big or small, can extensively be used for mechanical maintenance work.

Based on the above search, the above patent combines with most of the mechanical small jacks in the prior art, and has the following problems in use: the telescopic overall height of the existing mechanical small jack is limited, the height requirement to be raised can not be met sometimes, if the mechanical small jack is used in an environment that a heavy object is higher than the ground, the mechanical small jack is difficult to play, and if the mechanical small jack is used in an environment that other object cushions are needed to be used for increasing the height below the jack, the mechanical small jack is difficult to find an object with a proper height to be used as a bedding sometimes, and the mechanical small jack is inconvenient to use.

In view of the above, research and improvement are made on the existing structure and defects, and a mechanical small jack is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a small-size jack of mechanical type to solve the whole height that small-size jack of present mechanical type can stretch and draw together and all be limited, may not reach the high requirement that will rise sometimes, if when using under the higher environment of heavy object distance ground some, these jacks just are difficult to play the effect, just need use other object pad to improve the height just can use in the jack below a bit, but be difficult to find suitable high object again sometimes and do the foreshadowing, awkward problem.

The purpose and the efficacy of the mechanical small jack of the utility model are achieved by the following concrete technical means:

a mechanical small jack comprises a base; the top of the base is fixedly provided with a support body; a support rod is embedded into the inner side of the top of the support body through threads; the top of the supporting rod is movably provided with a bearing plate through a rotating shaft; a rotating rod is movably embedded in the inner side of the supporting rod; and a connecting pin is movably embedded in the inner side of the base.

Furthermore, the bottom of the bearing plate is movably connected with the top of the supporting rod through a rotating shaft, the top of the supporting rod and the bottom of the bearing plate are both provided with an annular groove, and a plurality of steel balls are arranged in the annular grooves.

Furthermore, the bottom of the base is provided with a cylindrical groove corresponding to the size of the bearing plate.

Furthermore, all be provided with a set of and the communicating horizontal cylindrical groove in the inboard cylindrical groove of base on the base, also all be provided with a set of horizontal cylindrical groove on the bearing plate, the bearing plate imbeds the cylindrical groove back connecting pin of base bottom and the horizontal cylindrical groove on the bearing plate and connects both.

Furthermore, the top of the supporting rod is provided with a transverse round hole with the same size as the cross section of the rotating rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

setting of base and bearing plate, be favorable to improving the convenience of using, when the heavy object is higher apart from ground position or the heavy object need lift high time, can connect two or a plurality of this device from top to bottom, connect in the base of the jack at the bearing plate embedding top of the jack of bottom and through the connecting pin during connection, it is very firm and difficult for droing after the connection, then place the jack combination after the equipment in the heavy object below, continue to promote bracing piece and the bearing plate rebound of a plurality of jacks through rotatory mode, thereby jack up the heavy object, and also can improve the height that can rise, satisfy different high demands, also can play good result of use through the combination when using in the face of higher heavy object.

Drawings

Fig. 1 is a schematic view of the bent axis side structure of the present invention.

Fig. 2 is a schematic view of the bottom side structure of the present invention.

Fig. 3 is a schematic view of the assembled bent shaft side structure of the present invention.

Fig. 4 is a schematic view of the disassembled bent shaft side structure of the present invention.

Fig. 5 is a schematic side view of the split structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a support body; 3. a support bar; 4. a bearing plate; 5. a rotating rod; 6. and (7) connecting pins.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a mechanical small jack, which comprises a base 1; the top of the base 1 is fixedly provided with a support body 2; the bottom of the base 1 is provided with a cylindrical groove with the size corresponding to that of the bearing plate 4, when the position of a heavy object far from the ground is higher or the height of the heavy object needing to be lifted is higher, two or more devices can be connected up and down, the bearing plate 4 of the jack at the bottom is embedded into the base 1 of the jack at the top and is connected through the connecting pin 6 during connection, and the connection is very firm and is not easy to fall off; a support rod 3 is embedded into the inner side of the top of the support body 2 through threads; the top of the support rod 3 is provided with a transverse round hole with the same size as the section of the rotating rod 5, when in use, the device is directly placed below a heavy object to be lifted, then the rotating rod 5 is inserted into the transverse round hole on the support rod 3, the support rod 3 is rotated through the rotating rod 5, and at the moment, the support rod 3 can be lifted upwards through threads; the top of the supporting rod 3 is movably provided with a bearing plate 4 through a rotating shaft; a rotating rod 5 is movably embedded in the inner side of the supporting rod 3; a connecting pin 6 is movably embedded and installed on the inner side of the base 1.

Wherein, the bottom of bearing plate 4 is through a pivot and the top swing joint of bracing piece 3, and the top of bracing piece 3 and the bottom of bearing plate 4 all are provided with an annular channel, are provided with a plurality of steel balls in the annular channel, and when bearing plate 4 contacted the heavy object bottom, bearing plate 4 can stall the rotation, and bracing piece 3 can continue to rotate and continue to rise relatively bearing plate 4, and the steel ball between bearing plate 4 and the bracing piece 3 can play the effect that reduces friction and support moreover.

Wherein, all be provided with a set of and the communicating horizontal cylindrical groove in the inboard cylindrical groove of base 1 on the base 1, also all be provided with a set of horizontal cylindrical groove on the bearing plate 4, connecting pin 6 can imbed the horizontal cylindrical groove on base 1 and the bearing plate 4 behind the cylindrical groove of bearing plate 4 embedding base 1 bottom and connect both, when the heavy object is higher apart from ground position or the heavy object need lift up highly higher, can connect two or more these devices from top to bottom, connect in the base 1 of the jack at the bearing plate 4 embedding top of the jack of bottom and through connecting pin 6 during the connection, it is very firm and difficult for droing after the connection.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the device is used, the device is directly placed under a heavy object which needs to be lifted, then the rotating rod 5 is inserted into a transverse round hole on the supporting rod 3, the supporting rod 3 is rotated by the rotating rod 5, at the moment, the supporting rod 3 is lifted upwards by the screw thread, when the supporting plate 4 contacts the bottom of the heavy object, the supporting plate 4 stops rotating, the supporting rod 3 continues rotating relative to the supporting plate 4 and continues lifting, and the steel balls between the supporting plate 4 and the supporting rod 3 play the roles of reducing friction and supporting, thereby lifting the heavy object, when the heavy object is higher from the ground position or the height of the heavy object which needs to be lifted is higher, two or more devices can be connected up and down, when in connection, the supporting plate 4 of the jack at the bottom is embedded into the base 1 of the jack at the top and is connected by the connecting pin 6, the device is very firm and is not easy to fall off after connection, then place the jack combination after assembling in the heavy object below, continue to promote the bracing piece 3 and the bearing plate 4 of a plurality of jacks through above-mentioned rotatory mode and upwards remove to jack up the heavy object, and also can improve the height that can rise, satisfy different height demands, also can play good result of use through the combination when using in the face of higher heavy object.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A mechanical small jack is characterized in that: comprises a base (1); a support body (2) is fixedly arranged at the top of the base (1); a support rod (3) is embedded into the inner side of the top of the support body (2) through threads; the top of the supporting rod (3) is movably provided with a bearing plate (4) through a rotating shaft; a rotating rod (5) is movably embedded in the inner side of the supporting rod (3); the inner side of the base (1) is movably embedded with a connecting pin (6).

2. The mechanical jack of claim 1, wherein: the bottom of the bearing plate (4) is movably connected with the top of the supporting rod (3) through a rotating shaft, the top of the supporting rod (3) and the bottom of the bearing plate (4) are both provided with an annular groove, and a plurality of steel balls are arranged in the annular groove.

3. The mechanical jack of claim 1, wherein: the bottom of the base (1) is provided with a cylindrical groove corresponding to the size of the bearing plate (4).

4. The mechanical jack of claim 1, wherein: all be provided with a set of and base (1) inboard communicating horizontal cylindrical groove in cylindrical groove on base (1), also all be provided with a set of horizontal cylindrical groove on bearing plate (4), connecting pin (6) can imbed the horizontal cylindrical groove on base (1) and bearing plate (4) and connect both behind the cylindrical groove of bearing plate (4) embedding base (1) bottom.

5. The mechanical jack of claim 1, wherein: the top of the supporting rod (3) is provided with a transverse round hole with the same size as the cross section of the rotating rod (5).