Negative pressure sucker door limiter

Abstract

The utility model relates to a negative pressure suction cup door limiter which comprises a round cover, a bottom plate is arranged above the round cover, the upper end face of the bottom plate is fixedly connected with a hemispherical door shield, a round cylinder is arranged between the bottom plate and the round cover, the front end and the rear end of the round cylinder are each provided with two square cylinders, and the bottom ends of the square cylinders are both fixedly connected with the upper end face of the round cover. The square cylinders are connected with the bottom plate through a lifting mechanism, one side face of each square cylinder is fixedly connected with a connecting block fixedly connected with the surface of the circular cylinder, the lower end of the circular cover is fixedly connected with a negative pressure suction cup, and the middle of the upper end face of the circular cover is fixedly connected with a negative pressure pipe communicated with the interior of the circular cover; one end of the negative pressure pipe penetrates through the circular cylinder and is fixedly connected with the penetrating part. According to the negative pressure suction cup door limiter, the suction cup can be stably connected with the ground in a negative pressure mode, so that the hemispherical door shield is fixedly installed on the ground, the ground cannot be damaged, and the negative pressure suction cup door limiter is convenient to disassemble at any time and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of door stops, in particular to a negative pressure suction cup door stopper. Background Art

[0002] The door stopper is commonly known as the door stopper. A door stopper is an anti-collision object installed behind the door. It can protect the door and prevent it from hitting an object or wall when closing.

[0003] The hemispherical door stop in the prior art is usually fixed to the ground by screws or glue during installation. The screw installation method may damage the ground, while the glue installation method is not convenient for subsequent disassembly of the hemispherical door stop. Repeated disassembly may reduce the viscosity of the back glue, thereby affecting the stability of the fixed installation of the hemispherical door stop to the ground. Therefore, we propose a negative pressure suction cup door stopper. Utility Model Content

[0004] The utility model provides a negative pressure suction cup door stopper, which solves the technical problems raised by the background technology in the prior art.

[0005] The utility model solves the above-mentioned technical problems as follows: it comprises a circular cover, a base plate is arranged above the circular cover, a hemispherical door stop is fixedly connected to the upper end surface of the base plate, a circular cylinder is arranged between the base plate and the circular cover, two square cylinders are arranged at the front and rear ends of the circular cylinder, and the bottom ends thereof are fixedly connected to the upper end surface of the circular cover at two bottom ends, the square cylinder and the base plate are connected by a lifting mechanism, a connecting block fixedly connected to the surface of the circular cylinder is fixedly connected to the side surface of each of the square cylinders, a negative pressure suction cup is fixedly connected to the lower end of the circular cover, a negative pressure pipe connected to the inside of the circular cover is fixedly connected at the middle of the upper end surface of the circular cover, one end of the negative pressure pipe passes through the circular cylinder and is fixedly connected to the passing-through position, a movable piston is slidably connected to the inside of the circular cylinder, and the movable piston is connected to the circular cylinder through a movable mechanism.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, a rubber pad is fixedly connected to one side of the hemispherical door stop.

[0008] Furthermore, the lifting mechanism includes a limit baffle plate slidably connected to the inside of the square tube, and a square elongated rod penetrating the square tube and slidably connected to the penetrating portion is fixedly connected to the upper surface of the limit baffle plate.

[0009] Furthermore, the upper end of the square extension rod is fixedly connected to the lower end surface of the base plate, and a positioning bolt penetrating the square tube and threadedly connected to the penetrating portion is provided on one side of the square tube, and the positioning bolt contacts the surface of the square extension rod.

[0010] Furthermore, the moving mechanism includes a moving screw that is rotatably connected to the moving piston via a bearing, and the moving screw penetrates the circular cylinder and is threadedly connected to the penetrating portion.

[0011] Furthermore, a rotating cap is fixedly connected to one end of the movable screw rod, and a limiting sliding rod with one end fixedly connected to the movable piston is disposed at both the upper and lower ends of the movable screw rod.

[0012] Furthermore, the two limiting sliding rods both penetrate the circular cylinder and are slidably connected to the penetrating portion.

[0013] The beneficial effects of the utility model are as follows: the utility model provides a negative pressure suction cup door stopper, which has the following advantages:

[0014] Through the cooperation of the circular cylinder, movable piston, movable mechanism, negative pressure tube, circular cover and negative pressure suction cup, the entire device can be fixed on the ground by negative pressure adsorption. On the one hand, it will not cause damage to the ground, and on the other hand, it is convenient for users to disassemble it at any time, thereby improving practicality.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A schematic structural diagram of a negative pressure suction cup door stopper provided in one embodiment of the utility model;

[0018] Figure 2 for Figure 1 A schematic side view of the structure of a negative pressure suction cup door stopper is provided;

[0019] Figure 3 for Figure 1 A schematic cross-sectional view of a structure in a negative pressure suction cup door stopper is provided;

[0020] Figure 4 for Figure 2 A schematic cross-sectional view of a local structure in a negative pressure suction cup door limiter is provided.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Rubber pad; 2. Hemispherical door stopper; 3. Bottom plate; 4. Positioning bolt; 5. Square tube; 6. Round tube; 7. Rotating cap; 8. Negative pressure tube; 9. Round cover; 10. Negative pressure suction cup; 11. Connecting block; 12. Moving piston; 13. Moving screw; 14. Limiting slide rod; 15. Square extension rod; 16. Limiting baffle. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] like Figure 1-4As shown, the utility model provides a negative pressure suction cup door limiter, including a circular cover 9, a base plate 3 is arranged above the circular cover 9, a hemispherical door stopper 2 is fixedly connected to the upper end surface of the base plate 3, a circular cylinder 6 is arranged between the base plate 3 and the circular cover 9, and the front and rear ends of the circular cylinder 6 are respectively provided with two square cylinders 5 whose bottom ends are fixedly connected to the upper end surface of the circular cover 9, the square cylinder 5 is connected to the base plate 3 through a lifting mechanism, and one side surface of each of the square cylinders 5 is fixedly connected to a connecting block 11 fixedly connected to the surface of the circular cylinder 6, a negative pressure suction cup 10 is fixedly connected to the lower end of the circular cover 9, a negative pressure pipe 8 communicating with the inside of the circular cover 9 is fixedly connected in the middle of the upper end surface of the circular cover 9, one end of the negative pressure pipe 8 passes through the circular cylinder 6 and is fixedly connected to the passing portion, a movable piston 12 is slidably connected to the inside of the circular cylinder 6, and the movable piston 12 is connected to the circular cylinder 6 through a moving mechanism.

[0027] Preferably, one side of the hemispherical door stop 2 is fixedly connected with a rubber pad 1, and the provision of the rubber pad 1 can protect the door.

[0028] Preferably, the lifting mechanism includes a limit baffle 16 which is slidably connected to the inside of the square tube 5, and a square extension rod 15 which passes through the square tube 5 and is slidably connected to the passing part is fixedly connected to the upper end surface of the limit baffle 16. The setting of the square extension rod 15 can adjust the use height of the hemispherical door stop 2 according to needs.

[0029] Preferably, the upper end of the square extension rod 15 is fixedly connected to the lower end surface of the base plate 3, and a positioning bolt 4 is provided on one side of the square tube 5, which penetrates the square tube 5 and is threadedly connected to the penetrating portion. The positioning bolt 4 is in conflict with the surface of the square extension rod 15, and the square extension rod 15 can be limited by the provided positioning bolt 4.

[0030] Preferably, the moving mechanism includes a moving screw 13 rotatably connected to the moving piston 12 via a bearing, and the moving screw 13 penetrates the circular cylinder 6 and is threadedly connected to the penetration portion.

[0031] Preferably, one end of the movable screw 13 is fixedly connected to a rotating cap 7, and the upper and lower ends of the movable screw 13 are both provided with a limiting slide rod 14 with one end fixedly connected to the movable piston 12. The setting of the limiting slide rod 14 can enable the movable piston 12 to slide within the circular cylinder 6.

[0032] Preferably, the two limiting sliding rods 14 both penetrate the circular cylinder 6 and are slidably connected to the penetration portion.

[0033] The specific working principle and use method of the utility model are as follows:

[0034] The utility model provides a negative pressure suction cup door limiter. When in use, the negative pressure suction cup 10 is adsorbed on the ground, and the movable screw 13 is rotated by rotating the rotating cap 7, thereby driving the movable piston 12 to slide in the circular tube 6 under the action of the limiting slide rod 14, and then the gas inside the circular cover 9 and the negative pressure suction cup 10 is absorbed under the action of the negative pressure tube 8, so that a negative pressure state is formed inside, so that the negative pressure suction cup 10 can be firmly adsorbed to the ground, thereby completing the limited installation of the hemispherical door stop 2, without causing damage to the ground, and also facilitating the subsequent disassembly of the entire object at any time, and the limit between the square extension rod 15 and the square tube 5 can be released by rotating the positioning bolt 4, so that the use height of the hemispherical door stop 2 can be adjusted, and after adjusting to the required height, the positioning bolt 4 makes the positioning bolt 4 conflict with the surface of the square extension rod 15, so that the extended square extension rod 15 can be limited, thereby completing the limit adjustment of the height of the hemispherical door stop 2.

[0035] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A negative pressure suction cup door stopper, comprising a circular cover (9), characterized in that: A bottom plate (3) is arranged above the circular cover (9), and a hemispherical door stopper (2) is fixedly connected to the upper end surface of the bottom plate (3). A circular cylinder (6) is arranged between the bottom plate (3) and the circular cover (9). Two square cylinders (5) are arranged at the front and rear ends of the circular cylinder (6), and the bottom ends of the square cylinders (5) are fixedly connected to the upper end surface of the circular cover (9). The square cylinders (5) are connected to the bottom plate (3) through a lifting mechanism. A connecting block (11) fixedly connected to the surface of the circular cylinder (6) is fixedly connected to one side of each of the square cylinders (5). A negative pressure suction cup (10) is fixedly connected to the lower end of the circular cover (9). A negative pressure pipe (8) communicating with the inside of the circular cover (9) is fixedly connected to the middle of the upper end surface of the circular cover (9). One end of the negative pressure pipe (8) penetrates the circular cylinder (6) and is fixedly connected to the penetration portion. A movable piston (12) is slidably connected to the inside of the circular cylinder (6), and the movable piston (12) is connected to the circular cylinder (6) through a moving mechanism.

2. According to claim 1, a negative pressure suction cup door stopper is characterized in that: One side of the hemispherical door stopper (2) is fixedly connected to a rubber pad (1).

3. According to claim 1, a negative pressure suction cup door stopper is characterized in that: The lifting mechanism comprises a limit baffle (16) slidably connected to the inside of the square tube (5); the upper end surface of the limit baffle (16) is fixedly connected to a square elongated rod (15) that penetrates the square tube (5) and is slidably connected to the penetration portion.

4. The negative pressure suction cup door stopper according to claim 3, characterized in that: The upper end of the square extension rod (15) is fixedly connected to the lower end surface of the bottom plate (3); a positioning bolt (4) penetrating the square tube (5) and threadedly connected to the penetrating portion is provided on one side of the square tube (5); the positioning bolt (4) is in conflict with the surface of the square extension rod (15).

5. The negative pressure suction cup door stopper according to claim 1, characterized in that: The moving mechanism comprises a moving screw (13) rotatably connected to the moving piston (12) via a bearing. The moving screw (13) penetrates the circular cylinder (6) and is threadedly connected to the penetration portion.

6. A negative pressure suction cup door stopper according to claim 5, characterized in that: One end of the movable screw rod (13) is fixedly connected to a rotating cap (7), and the upper and lower ends of the movable screw rod (13) are both provided with a limiting sliding rod (14) with one end fixedly connected to the movable piston (12).

7. A negative pressure suction cup door stopper according to claim 6, characterized in that: The two limiting sliding rods (14) both penetrate the circular cylinder (6) and are slidably connected to the penetration portion.

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