Vacuum pump with height adjusting function

Abstract

The utility model discloses a vacuum pump with height adjustment, which is characterized in that an adjusting mechanism used for adjusting different positions of a support plate is arranged below the support plate, the adjusting mechanism comprises an adjusting cylinder, a limiting column and an arc-shaped plate, and the adjusting cylinder is slidably provided with an adjusting rod used for supporting the position of a fixed leg. The adjusting cylinder is connected with the fixing leg through the adjusting rod, the limiting column is slidably arranged outside the adjusting cylinder, the arc-shaped plate is located outside the adjusting cylinder, a limiting groove is formed in the outer portion of the adjusting rod, and the limiting column is slidably connected with an inner cavity of the limiting groove in a penetrating mode. The fixing legs, the adjusting cylinders, the adjusting rods, the limiting columns, the arc-shaped plates, the locking cylinders and the fixing columns are matched with one another, the adjusting rods slide in the adjusting cylinders, the limiting columns limit the relative positions of the adjusting rods and the adjusting cylinders, then the height of a cube can be limited, the installation height of the cube can be adjusted conveniently, and the practicability of the cube is improved. And therefore, different mounting environments can be adapted.

Description

Technical Field

[0001] The utility model relates to the field of vacuum pumps, in particular to a vacuum pump with height adjustment. Background Art

[0002] A vacuum pump is a commonly used vacuum extraction device. It can usually obtain a vacuum by mechanically or physically evacuating the container. It is a device that uses various methods to improve, generate and maintain a vacuum in a closed space.

[0003] The vacuum pump in the prior art usually includes a vacuum pump body, support legs, a mounting frame and a handle, etc. The handle is located on the vacuum pump body, the support legs support the vacuum pump body, and the mounting legs are connected to the designated mounting position, thereby installing and fixing the vacuum pump body and using the vacuum pump.

[0004] The vacuum pump is used in various environments. When installed in some environments, the installation height of the vacuum pump may be varied. However, the support feet are at a fixed height, which limits the installation height of the vacuum pump. It is not convenient to adjust the installation height of the vacuum pump according to needs, which has certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a vacuum pump with height adjustment to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a vacuum pump with height adjustment, comprising:

[0007] A cube, wherein a support plate is fixedly connected to the bottom end of the cube, and a fixed leg is fixedly connected to the bottom end of the support plate;

[0008] An adjustment mechanism for adjusting different positions of the support plate is provided below the support plate, and the adjustment mechanism includes:

[0009] An adjusting cylinder, wherein an adjusting rod for supporting the position of the fixed leg is slidably arranged inside the adjusting cylinder, and the adjusting cylinder is connected to the fixed leg through the adjusting rod;

[0010] A limit column and an arc plate, wherein the limit column is slidably arranged on the outside of the adjustment cylinder, the arc plate is located on the outside of the adjustment cylinder, a limit groove is provided on the outside of the adjustment rod, the limit column is slidably and interlacedly connected with the inner cavity of the limit groove, and the limit column is used to lock the connection position of the adjustment rod and the adjustment cylinder.

[0011] Preferably, the top end of the adjusting rod is fixedly connected to the fixed leg, the end of the limiting column is fixedly connected to the arc plate, a first sliding groove is provided on the outside of the adjusting cylinder, and the limiting column is slidably and interlacedly connected with the inner cavity of the first sliding groove.

[0012] Preferably, the outside of the adjusting cylinder is fixedly connected with a fixing column for positioning the installation of the arc plate, the side of the arc plate is provided with a second slide groove, the fixing column is slidably connected with the inner cavity of the second slide groove, and the bottom end of the adjusting cylinder is fixedly connected with a bottom plate.

[0013] Preferably, the outer wall of the fixing column is threadedly connected with a locking cylinder for locking the relative position of the arc plate and the fixing column, a third sliding groove is provided on the outside of the locking cylinder, a positioning rod is provided in the inner cavity of the third sliding groove, and a positioning groove matching the positioning rod is provided on the outside of the fixing column.

[0014] Preferably, the outside of the locking cylinder is fixedly connected to a fixing frame, the inner cavity of the fixing frame is embedded with a guide frame, the positioning rod is slidably and interlacedly connected to the inner cavities of the guide frame and the fixing frame, and the top end of the positioning rod is fixedly connected to a connecting frame.

[0015] Preferably, a through groove is provided on the side of the connecting frame, a clamping groove is provided on the side of the fixing frame, the inner cavity of the through groove is provided with a mounting rod for locking the mounting position of the connecting frame, the mounting rod is slidably and interlacedly connected with the inner cavity of the clamping groove, an operating panel is fixedly connected to the side of the mounting rod, an elastic rope is fixedly connected to the side of the operating panel, a circular groove is provided on the side of the connecting frame, and one end of the elastic rope is fixedly connected to the inner wall of the circular groove.

[0016] Technical effects and advantages of the utility model:

[0017] The utility model utilizes the mutual cooperation of the fixed leg, the adjusting cylinder, the adjusting rod, the limiting column, the arc plate, the locking cylinder, the fixing column, the fixing frame and the positioning rod. The adjusting rod supports the fixed leg, the adjusting rod slides inside the adjusting cylinder, and the limiting column limits the relative position of the adjusting rod and the adjusting cylinder, which is beneficial to limit the height of the object and facilitates the adjustment of the installation height of the object to adapt to different installation environments and facilitate operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a front sectional structural diagram of the locking cylinder of the utility model.

[0020] Figure 3 It is a schematic diagram of the side sectional structure of the fixing frame of the utility model.

[0021] In the figure: 1. cube; 2. support plate; 3. bottom plate; 4. fixed leg; 5. adjustment mechanism; 51. adjustment cylinder; 52. adjustment rod; 53. limit column; 54. arc plate; 55. locking cylinder; 56. fixed column; 57. fixed frame; 58. positioning rod; 59. connecting frame; 510. guide frame; 511. operation panel; 512. installation rod; 513. elastic rope. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides Figure 1-3 A vacuum pump with height adjustment shown in the figure comprises a cube 1, a support plate 2 is fixedly connected to the bottom end of the cube 1, which is conducive to supporting the cube 1, and a fixed leg 4 is fixedly connected to the bottom end of the support plate 2, which is conducive to supporting the support plate 2.

[0024] Furthermore, an adjustment mechanism 5 for adjusting the different positions of the support plate 2 is provided below the support plate 2. The adjustment mechanism 5 includes an adjustment cylinder 51, a limiting column 53 and an arc plate 54. The adjustment cylinder 51 is conducive to being connected with the adjustment rod 52, so as to support the support plate 2. The limiting column 53 is conducive to the relative position of the adjustment cylinder 51 and the adjustment rod 52, and then is conducive to limiting the different heights of the adjustment rod 52, so as to adjust the installation height of the object 1 to adapt to different installation positions. The arc plate 54 is conducive to pulling the limiting column 53, so as to operate the limiting column 53. The internal sliding of the adjustment cylinder 51 is provided with a portion for supporting the fixed leg 4. The adjusting rod 52 in the position is conducive to supporting the fixed leg 4 and is convenient for supporting the object 1. The adjusting cylinder 51 is connected to the fixed leg 4 through the adjusting rod 52. The limiting column 53 is slidably arranged on the outside of the adjusting cylinder 51. The arc plate 54 is located on the outside of the adjusting cylinder 51. A limiting groove is provided on the outside of the adjusting rod 52. The limiting column 53 is slidably connected with the inner cavity of the limiting groove. The limiting column 53 is used to lock the connection position of the adjusting rod 52 and the adjusting cylinder 51. The top end of the adjusting rod 52 is fixedly connected to the fixed leg 4. The end of the limiting column 53 is fixedly connected to the arc plate 54. A first sliding groove is provided on the outside of the adjusting cylinder 51. The limiting column 53 is slidably connected with the inner cavity of the first sliding groove.

[0025] Specifically, the outside of the adjusting cylinder 51 is fixedly connected with a fixing column 56 for positioning the installation of the arc plate 54, which is conducive to connecting with the arc plate 54, and then facilitating the installation and positioning of the arc plate 54, and facilitating the support of the arc plate 54. The side of the arc plate 54 is provided with a second slide groove, and the fixing column 56 is slidably inserted and connected with the inner cavity of the second slide groove. The bottom end of the adjusting cylinder 51 is fixedly connected with the bottom plate 3, and the outer wall of the fixing column 56 is threadedly inserted and connected with a locking cylinder 55 for locking the relative position of the arc plate 54 and the fixing column 56. In order to limit the relative position of the arc plate 54 and the fixed column 56 and prevent the arc plate 54 from sliding randomly, a third slide groove is provided on the outside of the locking cylinder 55, and a positioning rod 58 is provided in the inner cavity of the third slide groove, which is conducive to limiting the relative position of the locking cylinder 55 and the fixed column 56 and preventing the locking cylinder 55 from rotating randomly. A positioning groove is provided on the outside of the fixed column 56 to match the positioning rod 58. A fixing frame 57 is fixedly connected to the outside of the locking cylinder 55, which is conducive to the positioning rod 58 sliding inside it. The inner cavity of the fixing frame 57 is embedded with a positioning groove. There is a guide frame 510, the positioning rod 58 is slidably connected with the inner cavity of the guide frame 510 and the fixed frame 57, the top of the positioning rod 58 is fixedly connected with a connecting frame 59, the connecting frame 59 is L-shaped, the connecting frame 59 is conducive to pulling the positioning rod 58 to move, and it is convenient to operate the positioning rod 58. A through groove is opened on the side of the connecting frame 59, and a card groove is opened on the side of the fixed frame 57. The inner cavity of the through groove is provided with a mounting rod 512 for locking the installation position of the connecting frame 59, which is conducive to limiting the relative position of the connecting frame 59 and the fixed frame 57. The mounting rod 512 is slidably connected with the inner cavity of the card slot, and the side of the mounting rod 512 is fixedly connected with an operating plate 511, and the side of the operating plate 511 is fixedly connected with an elastic rope 513. The pulling force of the elastic rope 513 is conducive to pulling the operating plate 511 to move, so that the mounting rod 512 can be restored to its original position after movement, and the mounting rod 512 can be repeatedly operated. Circular grooves are provided on the sides of the operating plate 511 and the connecting frame 59, and one end of the elastic rope 513 is fixedly connected to the inner wall of the circular groove.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum pump with height adjustment, comprising: A cube (1), wherein the bottom end of the cube (1) is fixedly connected to a support plate (2), and the bottom end of the support plate (2) is fixedly connected to a fixed leg (4); The invention is characterized in that an adjustment mechanism (5) for adjusting different positions of the support plate (2) is arranged below the support plate (2), and the adjustment mechanism (5) comprises: An adjusting cylinder (51), wherein an adjusting rod (52) for supporting the position of the fixed leg (4) is slidably arranged inside the adjusting cylinder (51), and the adjusting cylinder (51) is connected to the fixed leg (4) via the adjusting rod (52); A limiting column (53) and an arc plate (54), wherein the limiting column (53) is slidably arranged outside the adjusting tube (51), the arc plate (54) is located outside the adjusting tube (51), a limiting groove is provided outside the adjusting rod (52), the limiting column (53) is slidably connected with the inner cavity of the limiting groove, and the limiting column (53) is used to lock the connection position between the adjusting rod (52) and the adjusting tube (51).

2. A vacuum pump with height adjustment according to claim 1, characterized in that: The top end of the adjusting rod (52) is fixedly connected to the fixed leg (4), the end of the limiting column (53) is fixedly connected to the arc plate (54), the outside of the adjusting cylinder (51) is provided with a first sliding groove, and the limiting column (53) is slidably connected with the inner cavity of the first sliding groove.

3. A vacuum pump with height adjustment according to claim 1, characterized in that: The outside of the adjusting cylinder (51) is fixedly connected to a fixing column (56) for positioning the installation of the arc plate (54); a second sliding groove is provided on the side of the arc plate (54); the fixing column (56) is slidably connected to the inner cavity of the second sliding groove; and the bottom end of the adjusting cylinder (51) is fixedly connected to a bottom plate (3).

4. A vacuum pump with height adjustment according to claim 3, characterized in that: The outer wall of the fixing column (56) is threadedly connected with a locking cylinder (55) for locking the relative position of the arc plate (54) and the fixing column (56); the outer part of the locking cylinder (55) is provided with a third sliding groove; the inner cavity of the third sliding groove is provided with a positioning rod (58); the outer part of the fixing column (56) is provided with a positioning groove that matches the positioning rod (58).

5. A vacuum pump with height adjustment according to claim 4, characterized in that: The locking cylinder (55) is fixedly connected to a fixing frame (57) on the outside, a guide frame (510) is embedded in the inner cavity of the fixing frame (57), the positioning rod (58) is slidably connected to the inner cavities of the guide frame (510) and the fixing frame (57), and the top end of the positioning rod (58) is fixedly connected to a connecting frame (59).

6. A vacuum pump with height adjustment according to claim 5, characterized in that: A through slot is provided on the side of the connecting frame (59), a clamping slot is provided on the side of the fixing frame (57), a mounting rod (512) for locking the mounting position of the connecting frame (59) is provided in the inner cavity of the through slot, the mounting rod (512) is slidably connected with the inner cavity of the clamping slot, an operating panel (511) is fixedly connected to the side of the mounting rod (512), an elastic rope (513) is fixedly connected to the side of the operating panel (511), a circular slot is provided on the side of the connecting frame (59), and one end of the elastic rope (513) is fixedly connected to the inner wall of the circular slot.

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