Liftable experiment stool

Abstract

The utility model discloses a liftable experiment stool, which belongs to the technical field of stools and comprises a stool surface, a connecting block is arranged at the lower end of the stool surface, a base is arranged on the lower side of the connecting block, a plurality of supporting legs are arranged on the side edge of the base, and the base is connected with the connecting block through a lifting component; the lifting assembly comprises a cylinder, a fixing cylinder, a sliding column, a clamping hole, a sliding plate, a pulling plate, a sliding rod, a limiting plate, a spring and a protection assembly, the fixing cylinder is arranged at the upper end of the base, the lifting assembly is arranged, the pulling plate is pulled to drive the sliding rod and the limiting plate to slide in the cylinder, the spring is compressed, and then the sliding column is pulled to drive the sliding plate to slide in the fixing cylinder; after the sliding column drives the stool surface to a proper height, the pulling plate is loosened, a spring elastically stretches to push one end of a sliding rod to enter a clamping hole corresponding to the side edge of the sliding column, the effect of limiting and fixing the sliding column is achieved, the lifting adjustment speed of the stool surface is higher by arranging the lifting assembly, and lifting adjustment of the stool surface is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of stools, and in particular relates to a liftable laboratory stool. Background Art

[0002] Rest benches are generally facilities provided in public places such as parks, banks, hospitals, and transportation for people to rest and wait.

[0003] Chinese patent application No. 2012201554078 discloses a liftable stool, comprising a stool surface, a fixing rod at the bottom of the stool surface, a connecting block on the fixing rod, a screw rod fixedly connected to the connecting block, a threaded sleeve connected to the screw rod, a supporting foot on the threaded sleeve, two fixing rods, two fixing rods crosswise arranged, three supporting feet, a bolt on the threaded sleeve, when working, when the height needs to be adjusted, the screw rod is rotated to adjust to the appropriate height, and then the bolt is fixed to fix the screw rod. The utility model has a simple structure, low cost, and is suitable for popularization and use.

[0004] The above-mentioned patent discloses that the speed of adjusting the height of the stool surface by screws is slow and the stool surface cannot be quickly adjusted. At the same time, the support feet of the original device are less stable and are prone to deformation and bending after long-term use. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a liftable laboratory stool, which has the characteristic of fast lifting and lowering speed of the stool surface.

[0006] To achieve the above object, the utility model provides the following technical solution: a liftable laboratory stool, comprising a stool surface, a connecting block is arranged at the lower end of the stool surface, a base is arranged at the lower side of the connecting block, a plurality of supporting feet are arranged on the side of the base, and the base and the connecting block are connected by a lifting assembly;

[0007] The lifting assembly includes a cylinder, a fixed cylinder, a sliding column, a clamping hole, a slide plate, a pull plate, a sliding rod, a limit plate, a spring and a protective assembly, wherein a fixed cylinder is arranged on the upper end of the base, a slide plate is arranged inside the fixed cylinder, the slide plate and the connecting block are connected by a sliding column, cylinders are arranged on the upper sides of both ends of the fixed cylinder, a pull plate is arranged at one end of the cylinder, a sliding rod is arranged at one end of the pull plate, a limit plate is arranged on the surface of the sliding rod, a spring is arranged on the surface of the sliding rod between the limit plate and the cylinder, a number of clamping holes corresponding to the sliding rod are arranged at both ends of the sliding column, and protective assemblies are arranged at positions corresponding to the cylinders at both ends of the fixed cylinder.

[0008] Preferably, the protective component includes a fixed frame, a cover plate, a dial plate, a second magnetic strip and a first magnetic strip, wherein a fixed frame is arranged at a position corresponding to the cylinder at one end of the fixed cylinder, a cover plate is connected to one end of the fixed frame through a hinge, a dial plate is arranged at one end of the cover plate, a second magnetic strip is arranged at one end of the fixed frame, and a first magnetic strip is arranged at a position corresponding to the second magnetic strip at one end of the cover plate.

[0009] Preferably, the fixed cylinder and the cylinder are both provided with sliding holes corresponding to the sliding rod, both ends of the pulling plate protrude from the side of the cylinder, and the end of the sliding rod away from the pulling plate is arranged as an arc structure.

[0010] Preferably, one end of the magnetic strip 2 is flush with the side of the fixing frame, and one end of the magnetic strip 1 is flush with the side of the cover plate, and the fixing frame and the fixing cylinder are spot welded.

[0011] Preferably, a cross bar is provided at a position corresponding to the side of the base and the supporting foot, a triangle plate is provided between the cross bar and the base, a long rod is provided on one side between the supporting foot and the cross bar, a short rod is provided on one side of the long rod, and a cross rod is provided between several supporting feet.

[0012] Preferably, the cross rod and the supporting feet, as well as the cross rod and the base are welded by pressure welding, and the long rod, the short rod and the cross rod are a welded one-piece structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model sets a lifting component, pulls the pull plate to drive the slide bar and the limit plate to slide in the cylinder, and the spring is compressed. Then the slide column is pulled to drive the slide plate to slide in the fixed cylinder. After the slide column drives the stool surface to a suitable height, the pull plate is released, and the spring is extended to push one end of the slide bar into the corresponding card hole on the side of the slide column, so as to achieve the effect of limiting and fixing the slide column. By setting the lifting component, the lifting and lowering speed of the stool surface is faster, which is convenient for the lifting and lowering adjustment of the stool surface.

[0015] 2. The utility model sets a cross bar, and the cross bar can support the supporting feet through long bars and short bars. At the same time, a triangle plate is set between the cross bar and the base to make the cross bar more stable. A cross bar is set between the supporting feet to stretch the supporting feet, making the supporting feet more stable. The supporting feet are more stable by setting the cross bar and the cross bar, and the supporting feet are not easy to deform and bend. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a bottom-up stereogram of the present invention;

[0018] Figure 3 This is a cutaway perspective view of the fixing tube of the utility model;

[0019] Figure 4 It is a cutaway stereogram of the fixed frame and the cylinder of the utility model;

[0020] In the figure: 1. stool surface; 2. lifting assembly; 21. cylinder; 22. fixed cylinder; 23. sliding column; 24. clamping hole; 25. sliding plate; 26. pull plate; 27. sliding rod; 28. limit plate; 29. ​​spring; 210. protective assembly; 2101. fixed frame; 2102. cover plate; 2103. dial plate; 2104. magnetic strip 2; 2105. magnetic strip 1; 3. base; 4. supporting foot; 5. cross bar; 6. connecting block; 7. long rod; 8. short rod; 9. cross rod; 10. triangle plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-4 The utility model provides the following technical solutions: a liftable laboratory stool, comprising a stool surface 1, a connecting block 6 is arranged at the lower end of the stool surface 1, a base 3 is arranged at the lower side of the connecting block 6, a plurality of supporting legs 4 are arranged on the side of the base 3, and the base 3 and the connecting block 6 are connected by a lifting component 2;

[0024] The lifting assembly 2 includes a cylinder 21, a fixed cylinder 22, a sliding column 23, a clamping hole 24, a slide plate 25, a pull plate 26, a slide rod 27, a limit plate 28, a spring 29 and a protective assembly 210, wherein a fixed cylinder 22 is provided at the upper end of the base 3, a slide plate 25 is provided inside the fixed cylinder 22, the slide plate 25 is connected to the connecting block 6 through the sliding column 23, cylinders 21 are provided on the upper sides of both ends of the fixed cylinder 22, a pull plate 26 is provided at one end of the cylinder 21, a slide rod 27 is provided at one end of the pull plate 26, a limit plate 28 is provided on the surface of the slide rod 27, a spring 29 is provided on the surface of the slide rod 27 between the limit plate 28 and the cylinder 21, a plurality of clamping holes 24 corresponding to the slide rod 27 are provided at both ends of the slide column 23, and protective assemblies 210 are provided at positions corresponding to the cylinder 21 at both ends of the fixed cylinder 22.

[0025] Specifically, the protective component 210 includes a fixed frame 2101, a cover plate 2102, a dial plate 2103, a magnetic stripe 2104 and a magnetic stripe 1 2105, wherein the fixed frame 2101 is arranged at a position corresponding to the cylinder 21 at one end of the fixed cylinder 22, the cover plate 2102 is connected to one end of the fixed frame 2101 through a hinge, the dial plate 2103 is arranged at one end of the cover plate 2102, the magnetic stripe 2104 is arranged at one end of the fixed frame 2101, and the magnetic stripe 1 2105 is arranged at a position corresponding to the magnetic stripe 2104 at one end of the cover plate 2102.

[0026] By adopting the above technical solution, when there is no need to pull the pulling plate 26, the cover plate 2102 is rotated on the fixed frame 2101 by using the dial plate 2103, and the magnetic strip 1 2105 at one end of the cover plate 2102 is adsorbed with the magnetic strip 2 2104 at one end of the fixed frame 2101, so as to achieve the effect of adsorbing and fixing the cover plate 2102. By setting the protective component 210, the pulling plate 26 and the cylinder 21 can be sealed and protected to avoid pulling the pulling plate 26 by mistake.

[0027] Specifically, sliding holes corresponding to the sliding rod 27 are provided in the fixed cylinder 22 and the cylinder 21 , both ends of the pull plate 26 protrude from the side of the cylinder 21 , and the end of the sliding rod 27 away from the pull plate 26 is provided as an arc structure.

[0028] By adopting the above technical solution, the sliding rod 27 can slide in the fixed cylinder 22 and the cylinder 21, and the two ends of the pull plate 26 protrude from the side of the cylinder 21 to facilitate pulling the pull plate 26. The end of the sliding rod 27 away from the pull plate 26 is set as an arc structure to facilitate the sliding rod 27 to enter the corresponding card hole 24 on the side of the sliding column 23.

[0029] Specifically, one end of the second magnetic strip 2104 is flush with the side of the fixed frame 2101 and one end of the first magnetic strip 2105 is flush with the side of the cover plate 2102, and the fixed frame 2101 and the fixed cylinder 22 are welded by spot welding.

[0030] By adopting the above technical solution, the cover plate 2102 can fit more closely to the fixing frame 2101 after being closed, and the spot welding can make the fixing frame 2101 and the fixing tube 22 more firmly connected.

[0031] When the present embodiment is used, when the liftable laboratory bench is used, the device is installed in a suitable position, and by setting the lifting assembly 2, the pull plate 26 is pulled to drive the slide bar 27 and the limit plate 28 to slide in the cylinder 21, and the spring 29 is compressed, and then the slide column 23 is pulled to drive the slide plate 25 to slide in the fixed cylinder 22. After the slide column 23 drives the bench surface 1 to a suitable height, the pull plate 26 is released, and the spring 29 is stretched to push one end of the slide bar 27 into the corresponding card hole 24 on the side of the slide column 23, so as to achieve the effect of limiting and fixing the slide column 23. By setting the lifting assembly 2 Component 2 can adjust the lifting and lowering speed of the stool surface 1 faster, which is convenient for the lifting and lowering of the stool surface 1. By setting the protective component 210, when there is no need to pull the pull plate 26, the cover plate 2102 is rotated on the fixed frame 2101 by the dial plate 2103, and the magnetic strip 1 2105 at one end of the cover plate 2102 is adsorbed with the magnetic strip 2 2104 at one end of the fixed frame 2101, so as to achieve the effect of adsorbing and fixing the cover plate 2102. By setting the protective component 210, the pull plate 26 and the cylinder 21 can be sealed and protected to avoid accidentally pulling the pull plate 26.

[0032] Example 2

[0033] The difference between this embodiment and embodiment 1 is that a cross bar 5 is arranged at a position corresponding to the side of the base 3 and the supporting foot 4, a triangle plate 10 is arranged between the cross bar 5 and the base 3, a long rod 7 is arranged on one side between the supporting foot 4 and the cross bar 5, a short rod 8 is arranged on one side of the long rod 7, and a cross rod 9 is arranged between several supporting feet 4.

[0034] By adopting the above technical solution, the cross bar 5 can support the supporting legs 4 through the long rod 7 and the short rod 8. At the same time, a triangle plate 10 is arranged between the cross bar 5 and the base 3 to make the cross bar 5 more stable. A cross bar 9 is arranged between several supporting legs 4 to stretch the several supporting legs 4, making the several supporting legs 4 more stable. By arranging the cross bar 5 and the cross bar 9, the supporting legs 4 are more stable and the supporting legs 4 are not easily deformed or bent.

[0035] Specifically, the cross rod 9 and the supporting foot 4 as well as the cross rod 5 and the base 3 are welded by pressure welding, and the long rod 7, the short rod 8 and the cross rod 5 are a welded integrated structure.

[0036] By adopting the above technical solution, pressure welding makes the cross rod 9 and the supporting foot 4, as well as the cross rod 5 and the base 3 more secure, and the long rod 7, the short rod 8 and the cross rod 5 are welded into an integrated structure, which is more sturdy and durable.

[0037] When this embodiment is used, by setting the cross bar 5, the cross bar 5 can support the supporting feet 4 through the long rod 7 and the short rod 8. At the same time, a triangle plate 10 is set between the cross bar 5 and the base 3 to make the cross bar 5 more stable, and a cross bar 9 is set between the several supporting feet 4 to stretch the several supporting feet 4, making the several supporting feet 4 more stable. By setting the cross bar 5 and the cross bar 9, the supporting feet 4 are more stable and the supporting feet 4 are not easy to deform or bend.

[0038] The structure and working principle of the stool surface 1, the base 3, the supporting legs 4 and the connecting block 6 in the utility model have been disclosed in a liftable stool disclosed in Chinese patent application No. 2012201554078.

[0039] The working principle and use process of the utility model are as follows: when the liftable laboratory stool is used, the device is installed in a suitable position, and the lifting component 2 is set, and the pull plate 26 is pulled to drive the slide bar 27 and the limit plate 28 to slide in the cylinder 21, and the spring 29 is compressed, and then the slide column 23 is pulled to drive the slide plate 25 to slide in the fixed cylinder 22. After the slide column 23 drives the stool surface 1 to a suitable height, the pull plate 26 is released, and the spring 29 is stretched to push one end of the slide bar 27 into the corresponding card hole 24 on the side of the slide column 23, so as to achieve the effect of limiting and fixing the slide column 23. By setting the lifting component 2, the lifting and lowering adjustment speed of the stool surface 1 is faster, which is convenient for the lifting and lowering adjustment of the stool surface 1. By setting the protective component 210, when there is no need to pull the pull plate 26, the cover plate 21 is toggled through the toggle plate 2103. 02 rotates on the fixed frame 2101, and the magnetic strip 1 2105 at one end of the cover plate 2102 is adsorbed with the magnetic strip 2 2104 at one end of the fixed frame 2101, so as to achieve the effect of adsorbing and fixing the cover plate 2102. By setting the protective component 210, the pull plate 26 and the cylinder 21 can be sealed and protected to avoid the pull plate 26 from being pulled accidentally. By setting the cross bar 5, the cross bar 5 can support the supporting foot 4 through the long bar 7 and the short bar 8. At the same time, a triangle plate 10 is set between the cross bar 5 and the base 3 to make the cross bar 5 more stable, and a cross bar 9 is set between the several supporting feet 4 to stretch the several supporting feet 4, so that the several supporting feet 4 are more stable. By setting the cross bar 5 and the cross bar 9, the supporting foot 4 is more stable, and the supporting foot 4 is not easy to deform and bend.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liftable laboratory stool, comprising a stool surface, characterized in that: The lower end of the stool surface is provided with a connecting block, the lower side of the connecting block is provided with a base, the side of the base is provided with a plurality of supporting legs, and the base and the connecting block are connected by a lifting assembly; The lifting assembly includes a cylinder, a fixed cylinder, a sliding column, a clamping hole, a slide plate, a pull plate, a sliding rod, a limit plate, a spring and a protective assembly, wherein a fixed cylinder is arranged on the upper end of the base, a slide plate is arranged inside the fixed cylinder, the slide plate and the connecting block are connected by a sliding column, cylinders are arranged on the upper sides of both ends of the fixed cylinder, a pull plate is arranged at one end of the cylinder, a sliding rod is arranged at one end of the pull plate, a limit plate is arranged on the surface of the sliding rod, a spring is arranged on the surface of the sliding rod between the limit plate and the cylinder, a number of clamping holes corresponding to the sliding rod are arranged at both ends of the sliding column, and protective assemblies are arranged at positions corresponding to the cylinders at both ends of the fixed cylinder.

2. The liftable laboratory bench according to claim 1, characterized in that: The protective component includes a fixed frame, a cover plate, a dial plate, a second magnetic strip and a first magnetic strip, wherein a fixed frame is arranged at a position corresponding to the cylinder at one end of the fixed cylinder, a cover plate is connected to one end of the fixed frame through a hinge, a dial plate is arranged at one end of the cover plate, a second magnetic strip is arranged at one end of the fixed frame, and a first magnetic strip is arranged at a position corresponding to the second magnetic strip at one end of the cover plate.

3. The liftable laboratory bench according to claim 1, characterized in that: The fixed cylinder and the cylinder are both provided with sliding holes corresponding to the sliding rod, the two ends of the pulling plate protrude from the side of the cylinder, and the end of the sliding rod away from the pulling plate is arranged in an arc structure.

4. The liftable laboratory bench according to claim 2 is characterized in that: One end of the magnetic strip 2 is flush with the side of the fixing frame, and one end of the magnetic strip 1 is flush with the side of the cover plate, and the fixing frame and the fixing cylinder are spot welded.

5. The liftable laboratory bench according to claim 1, characterized in that: A cross bar is arranged at a position corresponding to the supporting foot on the side of the base, a triangle plate is arranged between the cross bar and the base, a long bar is arranged on one side between the supporting foot and the cross bar, a short bar is arranged on one side of the long bar, and a cross bar is arranged between the supporting feet.

6. The liftable laboratory bench according to claim 5, characterized in that: The cross rod and the supporting foot as well as the cross rod and the base are all welded by pressure welding, and the long rod, the short rod and the cross rod are a welded integrated structure.

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