CN210419075U

CN210419075U - Mechanical pressure mechanism capable of being changed into jack

Info

Publication number: CN210419075U
Application number: CN201920319130.XU
Authority: CN
Inventors: 金鑫; 李明娜; 乔新栋; 金晶
Original assignee: Tianjin Transportation Technical College
Current assignee: Tianjin Transportation Technical College
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-04-28
Anticipated expiration: 2029-03-13

Abstract

The utility model provides a mechanical pressure mechanism that can become jack belongs to the hoisting equipment field, including the roof, lifting linkage mechanism, the lifter plate, adjustable screw rod, stand and bottom plate, the roof is fixed to be set up in the stand upper end, and the bottom plate is fixed to be set up at the lower extreme of stand, and the stand sets up for perpendicular with roof and bottom plate, and the lifter plate setting is in the middle of roof and bottom plate, and be sliding connection with the stand, and lifting linkage mechanism drive lifter plate is along stand up-and-down motion, and lifting linkage mechanism upper end is passed through the hinge and is connected with the roof rotation, and the lower extreme passes through the hinge and is connected with the lifter plate rotation, and adjustable screw rod sets up on the lifter plate. The utility model discloses novel structure, the function is reliable, upwards and install downwards through the lift connecting rod structure, realizes press function and jack function respectively, and light in weight makes the degree of difficulty little, and the laboratory and the family of being convenient for use also conveniently place on the car for the occasion that needs the lifting heavy object such as tire change.

Description

Mechanical pressure mechanism capable of being changed into jack

Technical Field

The utility model belongs to the hoisting equipment field relates to a mechanical pressure mechanism that can become jack.

Background

The practical training room or the daily life equipment has single function or can play a role similar to a jack, but in some occasions, such as a shaft and a bearing, a shaft and a shaft sleeve and the like are in transition or interference fit, the assembly is not good, the shaft needs to be pressed down into a hole matched with the shaft through pressure equipment, the practical training room is small in used equipment, and equipment which can realize the function of the jack and the function of the pressure equipment through deformation is lacked.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can become mechanical pressure mechanism of jack that can realize press function and jack function respectively.

In order to solve the technical problem, the utility model discloses a technical scheme is:

can become mechanical pressure mechanism of jack, including roof, lifting link mechanism, lifter plate, adjustable screw rod, stand and bottom plate, the roof is fixed to be set up in the stand upper end, and the bottom plate is fixed to be set up at the lower extreme of stand, the stand sets up for perpendicular with roof and bottom plate, the lifter plate sets up in the middle of roof and bottom plate, and be sliding connection with the stand, lifting link mechanism drive lifter plate is along stand up-and-down motion, lifting link mechanism upper end is passed through the hinge and is connected with the roof rotation, and the lower extreme passes through the hinge and is connected with the lifter plate rotation, adjustable screw rod sets up on the lifter plate.

Furthermore, the number of the lifting connecting rod mechanisms is two, the lifting connecting rod mechanisms are arranged on two sides of the lifting plate, and the lifting connecting rod mechanisms are connected through a positive and negative screw.

Furthermore, the lifting connecting rod mechanism comprises a connecting rod and a connecting shaft, two ends of the connecting shaft are fixed at the connecting position of the connecting rod, and two ends of the positive and negative threaded screw rod penetrate through the adjacent connecting shafts.

Furthermore, the lifting connecting rod mechanism drives the lifting plate to move up and down by shaking the handle, and the shaking handle is fixedly connected with one end of the positive and negative buckling screw.

Furthermore, the lower end of the adjustable screw penetrates through the lifting plate, and the adjustable screw and the central line of the lifting plate are arranged in a superposition mode.

Furthermore, the number of the stand columns is four to six.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses can play the press effect, wave through the handle, produce decurrent effort, can pass through pressure to impress the foraminiferous part with it clearance or interference fit and realize the assembly in axle and hole.

2. The utility model discloses still can play the jack effect, can install the lifter plate at mechanical structure the top, be connected with lift link mechanism on upper portion simultaneously, through waveing positive back-off handle, realize the promotion and the decline of heavy object.

3. The utility model discloses novel structure, the function is reliable simple, upwards and installs downwards through lifting linkage, realizes the function of press and jack respectively, and light in weight makes the degree of difficulty little, and laboratory and the family of being convenient for use also can place on the car for occasions that need the lifting heavy object such as tire change, convenient to use.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a press machine of a mechanical press mechanism which can be changed into a jack according to the present invention;

fig. 2 is a schematic structural view of the jack of the mechanical pressure mechanism that can be changed into the jack of the present invention.

Description of reference numerals:

1. a top plate; 2. a screw rod is buckled positively and negatively; 3. a lifting link mechanism; 4. a lifting plate; 5. an adjustable screw; 6. a column; 7. a base plate; 8. shaking the handle; 301. a connecting rod; 302. and (7) connecting the shafts.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

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 present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in figure 1, the mechanical pressure mechanism which can be changed into a jack comprises a top plate 1, a lifting connecting rod mechanism 3, a lifting plate 4, an adjustable screw 5, an upright post 6 and a bottom plate 7, wherein the top plate 1 is fixedly arranged at the upper end of the upright post 6, the bottom plate 7 is fixedly arranged at the lower end of the upright post 6, the top plate 1 and the bottom plate 7 are vertically arranged, the lifting plate 4 is arranged between the top plate 1 and the bottom plate 7 and is in sliding connection with the upright post 6, the lifting connecting rod mechanism 3 drives the lifting plate 4 to move up and down along the upright post 6, the upper end of the lifting connecting rod mechanism 3 is rotatably connected with the top plate 1 through a hinge, the lower end of the lifting connecting rod mechanism is rotatably connected with the lifting plate 4 through a hinge, the adjustable screw 5 is arranged on the lifting plate 4, the lifting connecting rod mechanism 3 drives the adjustable screw 5 to move downwards through the lifting, the correct assembly of the shaft and the hole is achieved.

As shown in fig. 1, preferably, the number of the lifting link mechanisms 3 is two, and the lifting link mechanisms 3 are arranged on two sides of the lifting plate 4, the lifting link mechanisms 3 are connected through positive and negative threaded screws 2, and the two sets of lifting link mechanisms 3 move synchronously through the positive and negative threaded screws 2, and the moving directions are opposite.

As shown in fig. 1, preferably, the lifting link mechanism 3 includes a connecting rod 301 and a connecting shaft 302, two ends of the connecting shaft 302 are fixed at the joint of the connecting rod 301, two ends of the positive and negative threaded screw 2 both pass through the adjacent connecting shaft 302, and the lifting link mechanism 3 is driven to move by the positive and negative threaded screw 2.

As shown in fig. 1, the lifting link mechanism 3 drives the lifting plate 4 to move up and down through a rocking handle 8, the rocking handle 8 is fixedly connected with one end of the front and back buckling screw 2, and the lifting link mechanism is controlled to move down through the rocking handle 8.

As shown in fig. 1, preferably, the lower end of the adjustable screw 5 passes through the lifting plate 4, the adjustable screw 5 is arranged to coincide with the central line of the lifting plate 4, and the downward movement of the adjustable screw 5 generates a certain force to press the shaft to be assembled with the hole.

As shown in fig. 1, preferably, the number of the columns 6 is four to six.

As shown in fig. 1 and fig. 2, the actual working process is that, if the lifting plate 4 connected with the lifting link mechanism 3 is positioned between the top plate 1 and the bottom plate 7, the mechanical mechanism plays a role of a press machine, when in use, a shaft to be installed through pressure and a part with a hole to be assembled with the shaft can be placed between the lifting plate 4 and the bottom plate 7, the lifting plate 4 acts downwards through a rocking handle 8 to give a downward pressure to the part to be assembled, so as to realize the correct assembly of the target part, when the lifting link mechanism 3 is arranged on the top of the top plate 1, the lifting plate 4 connected with the lifting link mechanism 3 is also arranged above the top plate 1, the mechanical mechanism plays a role of a jack, when in use, the equipment can be placed below a heavy object to be lifted, and when the lifting link mechanism is arranged on the top of the top plate 1, the lifting plate 4 moves upwards to give an upward force to the heavy object to be lifted, the lifting of the heavy object is realized.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Can become mechanical pressure mechanism of jack, its characterized in that: including roof (1), lifting link mechanism (3), lifter plate (4), adjustable screw rod (5), stand (6) and bottom plate (7), roof (1) is fixed to be set up in stand (6) upper end, and bottom plate (7) are fixed to be set up the lower extreme in stand (6), stand (6) are perpendicular setting with roof (1) and bottom plate (7), lifter plate (4) set up in the middle of roof (1) and bottom plate (7), and be sliding connection with stand (6), lifting link mechanism (3) drive lifter plate (4) along stand (6) up-and-down motion, lifting link mechanism (3) upper end is passed through the hinge and is rotated with roof (1) and is connected, and the lower extreme passes through the hinge and is rotated with lifter plate (4) and is connected, adjustable screw rod (5) set up on lifter plate (4).

2. The mechanical pressure mechanism convertible into a jack of claim 1, wherein: the lifting connecting rod mechanisms (3) are two in number and are arranged on two sides of the lifting plate (4), and the lifting connecting rod mechanisms (3) are connected through positive and negative threaded screws (2).

3. The mechanical pressure mechanism convertible into a jack of claim 2, wherein: the lifting connecting rod mechanism (3) comprises a connecting rod (301) and a connecting shaft (302), the two ends of the connecting shaft (302) are fixed at the joint of the connecting rod (301), and the two ends of the positive and negative threaded screw rod (2) penetrate through the adjacent connecting shafts (302).

4. The mechanical pressure mechanism convertible into a jack of claim 1, wherein: the lifting connecting rod mechanism (3) drives the lifting plate (4) to move up and down by shaking the handle (8), and the shaking handle (8) is fixedly connected with one end of the positive and negative threaded screw (2).

5. The mechanical pressure mechanism convertible into a jack of claim 1, wherein: the lower end of the adjustable screw rod (5) penetrates through the lifting plate (4), and the adjustable screw rod (5) and the central line of the lifting plate (4) are arranged in a superposition mode.

6. The mechanical pressure mechanism convertible into a jack of claim 1, wherein: the number of the upright columns (6) is four to six.