CN210655979U

CN210655979U - Tool cabinet lifting mechanism

Info

Publication number: CN210655979U
Application number: CN201921421311.XU
Authority: CN
Inventors: 秦明
Original assignee: Jilin Zhongcheng Electrical Automation Engineering Co ltd
Current assignee: Jilin Zhongcheng Electrical Automation Engineering Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-02
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a lifting mechanism of a tool cabinet, belonging to the technical field of engineering machinery, comprising two upper guide rails arranged side by side and two lower guide rails arranged side by side; the bottoms of the two ends of each lower guide rail are fixedly provided with ground feet, and the top of each upper guide rail is connected with the bottom of the tool cabinet; the upper guide rail and the lower guide rail which are positioned on the same side are connected through a shear plate bracket, the shear plate brackets positioned on the two sides are connected through a screw shaft cross shaft, a threaded hole for a screw shaft to pass through is formed in the screw shaft cross shaft, and the end part of the screw shaft is connected with a tightening shaft through a shaft sleeve after the screw shaft passes through the screw shaft cross shaft; the tightening shaft is driven to rotate through the crank to drive the screw threaded shaft to rotate, and then the screw shaft cross shaft is driven to do linear motion, so that the shear motion of the shear plate support is driven, the upper guide rail and the lower guide rail are close to or far away from each other, and then the tool cabinet is lifted. The utility model discloses make the tool cabinet can be fixed with ground completely in the use, prevent that the tool cabinet from rocking or the aversion phenomenon from appearing.

Description

Tool cabinet lifting mechanism

Technical Field

The utility model relates to an engineering machine tool technical field especially relates to a tool cabinet elevating system.

Background

The universal wheels are usually mounted at the bottom of the cabinet body of the existing tool cabinet for convenient movement, and as shown in fig. 1, the universal wheels at the bottom of the tool cabinet are required to be pressed before the tool cabinet is used, so that the tool cabinet is prevented from shaking when a tool is used.

However, this design has some drawbacks:

1. when the universal wheels are pressed, the tool cabinet can not be fixed by 100%, and the condition that the tool cabinet slightly moves in use still occurs.

2. If the ground is uneven, the height difference between the 4 casters at the bottom of the cabinet and the ground will be different, so that the individual casters cannot contact the ground and cannot be completely fixed to the tool cabinet.

3. If the ground is too smooth, or grease and liquid are dropped on the ground in a working site, the ground and the caster wheels at the bottom of the tool cabinet lose part of friction force, and the tool cabinet is displaced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned technical problem, provide a tool cabinet elevating system, make the tool cabinet can be fixed with ground completely in the use, prevent that the tool cabinet from rocking or the aversion phenomenon from appearing.

In order to achieve the above object, the present invention provides the following technical solutions:

a tool cabinet lifting mechanism comprises two upper guide rails arranged side by side and two lower guide rails arranged side by side;

the bottoms of the two ends of each lower guide rail are fixedly provided with ground feet, and the top of each upper guide rail is connected with the bottom of the tool cabinet;

the upper guide rail and the lower guide rail which are positioned on the same side are connected through a shear plate bracket, the shear plate brackets positioned on the two sides are connected through a screw shaft cross shaft, a threaded hole for a screw shaft to pass through is formed in the screw shaft cross shaft, and the end part of the screw shaft is connected with a tightening shaft through a shaft sleeve after the screw shaft passes through the screw shaft cross shaft;

the tightening shaft is driven to rotate through the crank to drive the screw threaded shaft to rotate, and then the screw shaft cross shaft is driven to do linear motion, so that the shear motion of the shear plate support is driven, the upper guide rail and the lower guide rail are close to or far away from each other, and then the tool cabinet is lifted.

Furthermore, the upper guide rail and the lower guide rail which are positioned on the same side of the tool cabinet lifting mechanism are connected through two groups of shear plate supports, and the two groups of shear plate supports are respectively connected to two ends of the upper guide rail and the two ends of the lower guide rail.

Further, in the above lifting mechanism for the tool cabinet, the scissor plate support is hinged by two crossed scissor plates fixed at the centers of each other through bolts; the upper end of one of the scissors plates is hinged to the upper guide rail through a fixing screw, and the lower end of the scissors plate slides in a long hole of the lower guide rail through a brass shaft sleeve and the fixing screw; the lower end of the other shear plate is hinged to the lower guide rail through a fixing screw, and the upper end of the other shear plate slides in a long hole of the upper guide rail through a brass shaft sleeve and the fixing screw; the upper guide rail and the lower guide rail are corresponding in position of the elongated hole.

Further, in the above lifting mechanism for the tool cabinet, the cross shaft of the screw shaft is connected between the two shear plates located at the long hole of the upper guide rail, and the two shear plates located at the long hole of the lower guide rail are connected through the lower cross shaft of the screw shaft.

Further, in the tool cabinet lifting mechanism, a flat pad is arranged between the lower transverse shaft of the screw rod and the shear plate and is screwed and fixed by adopting a nut.

Further, in the above lifting mechanism for the tool cabinet, the shaft sleeve is provided with a key groove, and after the screw threaded shaft and the tightening shaft are inserted and connected from two ends of the shaft sleeve, the screw threaded shaft and the tightening shaft are respectively tightly jacked by two jackscrews which are vertically screwed in.

Compared with the prior art, the utility model discloses a technological effect:

the utility model discloses replace traditional truckle and the spacing mode of ground point contact, adopt scissors board posture elevating system to carry out the operation, with the whole liftoff ground of tool cabinet, adopt novel elevating system to support, the spacing mode of face contact increases lifting surface area, promotes stability. When the lifting mechanism is closed, the trundles of the tool cabinet can freely move on the ground, so that the tool cabinet can move along with the ground, and the operation is convenient. The hand-operated screwing type screw rod threaded shaft is adopted for transmission, the working physical strength of workers is effectively saved, and the practicability is good.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic diagram of a conventional tool cabinet;

fig. 2 is a perspective view of the lifting mechanism of the tool cabinet provided by the present invention;

FIG. 3 is a partial view of the shaft sleeve connection provided by the present invention;

fig. 4 is a schematic diagram of the tool cabinet lifting mechanism for lifting the tool cabinet.

Description of reference numerals:

1. an upper guide rail; 2. a lower guide rail; 3. ground feet; 4. a tool cabinet; 5. a screw shaft cross shaft; 6. a lead screw threaded shaft; 7. a shaft sleeve; 8. screwing a shaft; 9. a crank; 10. a scissor plate support; 11. a bolt; 12. a set screw; 13. a brass bushing; 14. a set screw; 15. a set screw; 16. a brass bushing; 17. a set screw; 18. a lower transverse shaft of the screw rod; 19. flattening the cushion; 20. a keyway; 21. and (5) jacking the screw.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 2 to 4, the utility model provides a lifting mechanism for a tool cabinet, which comprises two upper guide rails arranged side by side and two lower guide rails arranged side by side; the bottoms of two ends of each lower guide rail are fixedly provided with feet 3, the feet 3 are fixedly contacted with the ground to prevent the tool cabinet from shifting, the top of each upper guide rail 1 is connected with the bottom of the tool cabinet 4, and if 4M 6 screws are adopted to be connected and fixed with the bottom of the tool cabinet 4; the upper guide rail 1 and the lower guide rail 2 which are positioned on the same side are connected through a shear plate bracket 10, the shear plate brackets positioned on the two sides are connected through a screw shaft cross shaft 5, a threaded hole for a screw threaded shaft 6 to pass through is formed in the screw shaft cross shaft 5, and the end part of the screw threaded shaft 6 after passing through the screw shaft cross shaft 5 is connected with a tightening shaft 8 through a shaft sleeve 7; the handle 9 drives the tightening shaft 8 to rotate so as to drive the screw threaded shaft 6 to rotate, and further drive the screw shaft cross shaft 5 to move linearly, so as to drive the shear plate bracket 10 to move in a shearing manner, so that the upper guide rail 1 and the lower guide rail 2 are close to or far away from each other, and further the tool cabinet 4 is lifted.

Specifically, in the above lifting mechanism for the tool cabinet, the upper guide rail 1 and the lower guide rail 2 located on the same side are connected through two sets of shear plate brackets 10, and the two sets of shear plate brackets 10 are respectively connected to two ends of the upper guide rail and the lower guide rail. The scissor plate support 10 is hinged by two crossed scissor plates which are fixed at the centers of each other through bolts 11, and plays roles of central connection and bearing of the scissor plates during the lifting mechanism lifts the tool cabinet; the upper end of one of the scissors plates is hinged to the upper guide rail 1 through a fixing screw 12, and the lower end of the scissors plate slides in a long hole of the lower guide rail 2 through a brass shaft sleeve 13 and a fixing screw 14; the lower end of the other shear plate is hinged to the lower guide rail 2 through a fixing screw 15, and the upper end of the other shear plate slides in a long hole of the upper guide rail 1 through a brass shaft sleeve 16 and a fixing screw 17; the positions of the elongated holes of the upper guide rail 1 and the lower guide rail 2 correspond. The screw shaft cross shaft 5 is connected between the two shear plates positioned at the long hole of the upper guide rail 1, performs a transmission function in the movement of the lifting mechanism, and the two shear plates positioned at the long hole of the lower guide rail 2 are connected through the screw lower cross shaft 18. And a flat pad 19 is arranged between the lower transverse shaft 18 of the screw rod and the shear plate and is screwed and fixed by adopting a nut. The shaft sleeve 7 is internally provided with a key groove 20, and after the screw rod threaded shaft 6 and the tightening shaft 8 are inserted and connected from two ends of the shaft sleeve 7, the screw rod threaded shaft 6 and the tightening shaft 8 are respectively tightly jacked through two jackscrews 21 which are vertically screwed in, so that the concentricity is ensured, for example, m5 jackscrews are adopted.

The utility model provides a tool cabinet elevating system, the original traditional tool cabinet spacing fixed mode that compresses tightly universal wheel and ground friction of cancellation changes to new thinking, and new innovation uses elevating system to push up the whole top of tool cabinet from ground, compares in the some friction that forms in traditional universal wheel bottom of the wheel with ground, and 4 ground connection feet that elevating system bottom configured are changed into face friction by traditional some friction, increase lower margin lifting surface area, improve stability.

The utility model provides a tool cabinet elevating system's working process:

1: after the lifting mechanism is connected with the bottom of the tool cabinet, the lifting mechanism starts to work, the working stroke height of the mechanism is 35mm, and the maximum working stroke height of the mechanism is 50 mm.

2: in the working stroke of the mechanism, the caster at the bottom of the tool cabinet can be lifted up to 15mm away from the ground, so that the condition that the caster and the ground slightly shift and the like can be prevented, as shown in figure 4. Meanwhile, the tool cabinet and the appliance thereof can form pressure on the lifting mechanism downwards due to gravity, so that the ground feet of the lifting mechanism can be perfectly attached to the ground, the requirement on stability in the use process of the tool cabinet is completely met, and the influence of oil dripping on the tool cabinet is effectively prevented.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "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 only for convenience of description and simplicity of 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. 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A tool cabinet lifting mechanism is characterized by comprising two upper guide rails arranged side by side and two lower guide rails arranged side by side;

2. The tool cabinet lifting mechanism according to claim 1, wherein the upper and lower rails located on the same side are connected by two sets of scissor plate brackets, and the two sets of scissor plate brackets are respectively connected to two ends of the upper and lower rails.

3. The tool cabinet lifting mechanism according to claim 2, wherein the scissor plate holder is hinged by two intersecting scissor plates fixed at the center of each other by bolts; the upper end of one of the scissors plates is hinged to the upper guide rail through a fixing screw, and the lower end of the scissors plate slides in a long hole of the lower guide rail through a brass shaft sleeve and the fixing screw; the lower end of the other shear plate is hinged to the lower guide rail through a fixing screw, and the upper end of the other shear plate slides in a long hole of the upper guide rail through a brass shaft sleeve and the fixing screw; the upper guide rail and the lower guide rail are corresponding in position of the elongated hole.

4. The tool cabinet lifting mechanism according to claim 3, wherein the screw shaft horizontal shaft is connected between the two shear plates at the upper rail long hole, and the two shear plates at the lower rail long hole are connected through the screw lower horizontal shaft.

5. The tool cabinet lifting mechanism according to claim 4, wherein a flat pad is arranged between the lower transverse shaft of the lead screw and the shear plate, and is screwed and fixed by a nut.

6. The tool cabinet lifting mechanism according to claim 1, wherein the shaft sleeve has a key slot therein, and the screw shaft and the tightening shaft are respectively tightened by two vertically screwed screws after being inserted and connected from both ends of the shaft sleeve.