Mounting structure of hidden floor spring

Abstract

The utility model discloses a concealed floor spring mounting structure, and belongs to the technical field of floor springs, the concealed floor spring mounting structure comprises a box body, a floor spring main body is fixedly mounted in the box body through screws, a cam shaft is arranged in the floor spring main body, a positioning groove is formed in the inner wall of the box body, a positioning block is slidably inserted in the positioning groove, and the cam shaft is arranged in the positioning block. A mounting frame is fixedly connected to one side of the positioning block, a sealing gasket is fixedly connected to the interior of the mounting frame, and a cover plate is arranged at the top of the box body; according to the floor spring, the positioning block is inserted into the positioning groove, so that the mounting frame provided with the sealing gasket is placed in the box body, dual protection is formed through cooperation between the sealing gasket and the cover plate, external dust and moisture are effectively prevented from invading the interior of the floor spring body, the corrosion risk is reduced, the maintenance frequency is reduced, and the service life of the floor spring is prolonged. And the mounting structure adopts a split structure in which the box body and the cover plate are combined, so that the mounting structure is convenient to quickly disassemble and assemble during maintenance.

Description

Technical Field

[0001] This application relates to the field of floor spring technology, and more particularly to an installation structure for a concealed floor spring. Background Technology

[0002] A floor spring is a hydraulic door closing device, mainly composed of a housing, camshaft, cover plate, speed control valve, piston, and end cap. In use, the floor spring is embedded under the door leaf. When the door leaf is pushed open, it drives the camshaft of the floor spring, compressing and storing energy in the spring inside. When the door is opened to a certain angle, the door leaf is released, and the energy stored in the spring pushes the piston assembly, pulling the connecting rod, which in turn pushes the cam to rotate, causing the door leaf to return to its initial position, achieving the effect of closing the door.

[0003] Because floor springs need to be installed on the ground in a concealed manner, their operating environment is more severe than that of other door closers. They are frequently exposed to water, dust, and other contaminants. Over time, the floor spring structure can rust due to moisture, dust, and other impurities. Therefore, maintenance personnel need to frequently open the installation structure to inspect the floor spring inside, which is very troublesome. As a result, an improvement has been made to the installation structure of a concealed floor spring. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a concealed floor spring installation structure, which overcomes the deficiencies of existing technologies and aims to solve the problem that existing floor spring structures will rust due to moisture, dust and impurities during long-term use, requiring maintenance personnel to frequently open the installation structure to inspect the floor spring inside.

[0005] To achieve the above objectives, this application provides the following technical solution: a concealed floor spring installation structure, including a housing, a floor spring body fixedly installed inside the housing by screws, a camshaft provided inside the floor spring body, a positioning groove provided on the inner wall of the housing, a positioning block slidably inserted inside the positioning groove, an installation frame fixedly connected to one side of the positioning block, a sealing gasket fixedly connected inside the installation frame, and a cover plate provided on the top of the housing.

[0006] By adopting the above technical solution, the mounting frame with the sealing gasket is placed inside the box by inserting the positioning block into the positioning groove. The cooperation between the sealing gasket and the cover plate forms double protection, effectively preventing external dust and moisture from entering the body of the floor spring, reducing the risk of corrosion, and helping to reduce the frequency of maintenance. In addition, the installation structure adopts a split structure of box and cover plate, which facilitates quick disassembly and assembly during maintenance.

[0007] As a preferred technical solution of this application, the upper surface of the sealing gasket is provided with a circular hole, the bottom of the cover plate is fixedly connected with a collar, the camshaft extends to the outside through the circular hole and the collar, the inner wall of the collar fits against the outer wall of the camshaft, and the outer diameter of the collar is adapted to the inner diameter of the circular hole.

[0008] By adopting the above technical solution, a collar can be set between the round hole and the camshaft to effectively isolate the round hole and the camshaft, avoiding dynamic friction between the camshaft and the round hole during rotation, which would cause interface wear of the gasket and thus ensure the sealing performance of the gasket.

[0009] As a preferred technical solution of this application, a pin is provided inside the positioning groove, and an insertion hole is provided at the bottom of the positioning block, wherein the pin is adapted to the insertion hole.

[0010] By adopting the above technical solution, the positioning block is positioned by the cooperation between the pin and the hole, thus preventing the positioning block from shifting position.

[0011] As a preferred technical solution of this application, the top of the box body is provided with a threaded hole, and a fixing bolt is threadedly inserted into the top of the cover plate. The lower end of the fixing bolt is inside the threaded hole, and the fixing bolt is threadedly engaged with the threaded hole.

[0012] By adopting the above technical solution, the cover plate is fixedly installed on the box body through the threaded engagement between the fixing bolt and the threaded hole.

[0013] As a preferred technical solution of this application, the external dimensions of the positioning block are adapted to the internal space dimensions of the positioning groove, and the top of the positioning block abuts against the bottom of the cover plate.

[0014] By adopting the above technical solution, the positioning block is fixed inside the positioning groove to ensure that it will not loosen.

[0015] As a preferred technical solution of this application, both the box body and the cover are stainless steel components, and the outer surfaces of both the box body and the cover are anodized.

[0016] By adopting the above technical solutions, the stainless steel box and cover have strong rust resistance, and by adding anodizing, the corrosion of metal by humid environments can be further reduced.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] In this utility model, by inserting the positioning block into the positioning groove, the mounting frame with the sealing gasket is placed inside the box. The cooperation between the sealing gasket and the cover plate forms a double protection, effectively preventing external dust and moisture from entering the interior of the floor spring body, reducing the risk of corrosion, and helping to reduce the frequency of maintenance. In addition, the mounting structure adopts a split structure of box and cover plate, which facilitates quick disassembly and assembly during maintenance.

[0019] With reference to the following description and accompanying drawings, specific embodiments of the present invention are disclosed in detail, indicating the ways in which the principles of the present invention can be adopted. It should be understood that the scope of the embodiments of the present invention is not limited thereto. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram showing the breakdown of this application;

[0023] Figure 3 For the purposes of this application Figure 2 Enlarged schematic diagram of the structure at point A;

[0024] Figure 4 This is a partial structural diagram of this application.

[0025] In the diagram: 1. Box body; 2. Cover plate; 3. Floor spring body; 301. Camshaft; 4. Positioning groove; 5. Pin; 6. Positioning block; 7. Mounting frame; 8. Sealing gasket; 9. Insertion hole; 10. Round hole; 11. Collar; 12. Fixing bolt; 13. Threaded hole. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] like Figure 1 - Figure 4As shown, this embodiment provides a concealed floor spring installation structure, including a housing 1. A floor spring body 3 is fixedly installed inside the housing 1 using screws. A camshaft 301 is provided inside the floor spring body 3. A positioning groove 4 is provided on the inner wall of the housing 1. A positioning block 6 is slidably inserted into the positioning groove 4. A mounting frame 7 is fixedly connected to one side of the positioning block 6. A sealing gasket 8 is fixedly connected inside the mounting frame 7. A cover plate 2 is provided on the top of the housing 1. In use, by inserting the positioning block 6 into the positioning groove 4, the mounting frame 7 containing the sealing gasket 8 is placed inside the housing 1. The cooperation between the sealing gasket 8 and the cover plate 2 forms double protection, effectively preventing external dust and moisture from intruding into the floor spring body 3, reducing the risk of corrosion, and helping to reduce maintenance frequency. Furthermore, this installation structure, by adopting a split structure combining the housing 1 and the cover plate 2, facilitates quick disassembly and assembly during maintenance.

[0028] In this embodiment, as Figure 4 As shown, a circular hole 10 is provided through the upper surface of the sealing gasket 8, and a collar 11 is fixedly connected to the bottom of the cover plate 2. The camshaft 301 extends to the outside through the circular hole 10 and the collar 11. The inner wall of the collar 11 fits against the outer wall of the camshaft 301, and the outer diameter of the collar 11 matches the inner diameter of the circular hole 10. In use, by setting the collar 11 between the circular hole 10 and the camshaft 301, the circular hole 10 and the camshaft 301 can be effectively isolated, avoiding dynamic friction between the camshaft 301 and the circular hole 10 during rotation, which would cause interface wear of the sealing gasket 8, thus ensuring the sealing performance of the sealing gasket 8.

[0029] In this embodiment, as Figure 3 As shown, a pin 5 is provided inside the positioning groove 4, and an insertion hole 9 is provided at the bottom of the positioning block 6. The pin 5 is adapted to the insertion hole 9. In use, the positioning block 6 is positioned by the cooperation between the pin 5 and the insertion hole 9 to prevent the positioning block 6 from shifting position.

[0030] In this embodiment, as Figure 2 and 3 As shown, the top of the box body 1 has a threaded hole 13, and the top of the cover plate 2 is threaded with a fixing bolt 12. The lower end of the fixing bolt 12 is inside the threaded hole 13, and the fixing bolt 12 and the threaded hole 13 are threadedly engaged. In use, the cover plate 2 is fixedly installed on the box body 1 through the threaded engagement between the fixing bolt 12 and the threaded hole 13.

[0031] In this embodiment, as Figure 2 As shown, the external dimensions of the positioning block 6 are adapted to the internal space dimensions of the positioning groove 4, and the top of the positioning block 6 abuts against the bottom of the cover plate 2. In use, the positioning block 6 is fixed inside the positioning groove 4 to ensure that it will not loosen.

[0032] In this embodiment, as Figure 1 As shown, both the box body 1 and the cover plate 2 are stainless steel components, and the outer surfaces of both the box body 1 and the cover plate 2 have undergone anodizing treatment. When in use, the box body 1 and the cover plate 2 made of stainless steel have strong rust resistance. By increasing anodizing, the corrosion of metal by humid environments can be further reduced.

[0033] The working principle of this utility model is as follows: When using the installation structure of the concealed floor spring of this application, the box 1 is first embedded in the ground, and the floor spring body 3 is fixedly installed inside the box 1. Then, by inserting the positioning block 6 into the positioning groove 4, the mounting frame 7 with the sealing gasket 8 is placed inside the box 1. Then, the cover plate 2 is fixedly installed on the box 1 by the threaded engagement between the fixing bolt 12 and the threaded hole 13. Thus, the cooperation between the sealing gasket 8 and the cover plate 2 can form double protection, effectively preventing external dust and moisture from entering the interior of the floor spring body 3, reducing the risk of rust, and helping to reduce the frequency of maintenance.

[0034] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.

Claims

1. A concealed floor spring mounting structure, comprising a housing (1), characterized in that, The box (1) is fitted with a floor spring body (3) by screws. The floor spring body (3) is fitted with a camshaft (301). The inner wall of the box (1) is provided with a positioning groove (4). A positioning block (6) is slidably inserted into the positioning groove (4). A mounting frame (7) is fixedly connected to one side of the positioning block (6). A sealing gasket (8) is fixedly connected inside the mounting frame (7). A cover plate (2) is provided on the top of the box (1).

2. The installation structure of a concealed floor spring according to claim 1, characterized in that, The upper surface of the sealing gasket (8) is provided with a circular hole (10), and the bottom of the cover plate (2) is fixedly connected with a collar (11). The camshaft (301) extends to the outside through the circular hole (10) and the collar (11). The inner wall of the collar (11) fits against the outer wall of the camshaft (301), and the outer diameter of the collar (11) is adapted to the inner diameter of the circular hole (10).

3. The installation structure of a concealed floor spring according to claim 1, characterized in that, The positioning groove (4) is provided with a pin (5), and the bottom of the positioning block (6) is provided with a socket (9). The pin (5) is adapted to the socket (9).

4. The installation structure of a concealed floor spring according to claim 1, characterized in that, The top of the box body (1) is provided with a threaded hole (13), and the top of the cover plate (2) is threaded with a fixing bolt (12). The lower end of the fixing bolt (12) is inside the threaded hole (13), and the fixing bolt (12) is threadedly engaged with the threaded hole (13).

5. The installation structure of a concealed floor spring according to claim 1, characterized in that, The external dimensions of the positioning block (6) are adapted to the internal space dimensions of the positioning groove (4), and the top of the positioning block (6) abuts against the bottom of the cover plate (2).

6. The installation structure of a concealed floor spring according to claim 1, characterized in that, The box body (1) and the cover plate (2) are both stainless steel components, and the outer surfaces of the box body (1) and the cover plate (2) are both anodized.

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