Dustproof hinge for middle mop

Abstract

The dustproof hinge comprises a hinge base, one end of the hinge base is connected with a first connecting rod piece, the other end of the hinge base is connected with a second connecting rod piece, and the middle of the hinge base is connected with a third connecting rod piece. One end of the first connecting rod piece and one end of the second connecting rod piece are connected with a fourth connecting rod piece, a mounting gasket is arranged on the surface of one end of the hinge base, connecting penetrating holes are correspondingly formed in the surfaces of the mounting gasket and the hinge base, a positioning protruding block is connected in the upper portion of each connecting penetrating hole, and the bottom of each positioning protruding block is connected with a connecting screw piece. The connecting screw piece penetrates through the connecting through hole and is fixedly connected with the positioning protruding block in a threaded fit mode. The dustproof hinge of the middle tractor is simple in structure and convenient to install, plays a role in positioning through the positioning protruding blocks, and ensures accuracy and stability in the opening and closing process.

Description

Technical Field

[0001] The utility model belongs to the technical field of hinges, and in particular relates to a mid-drag dustproof hinge. Background Art

[0002] As an important component connecting doors and windows, hinges play a vital role in furniture, construction and machinery. However, existing hinge structures have some problems in practical applications.

[0003] Traditional hinge structures are usually complex and consist of multiple parts, and the installation and adjustment process can be cumbersome, which requires installers to spend more time and energy to complete the installation process, increasing costs and workload.

[0004] Accurate positioning is critical during the opening and closing of structures such as doors and windows, especially for large doors and windows that need to be aligned. However, traditional hinges may have inaccurate or unstable positioning during the opening and closing process, resulting in shaking or imbalance during the opening and closing process.

[0005] In view of this, overcoming the defects of the above-mentioned prior art is an urgent problem to be solved in the field of this technology. Utility Model Content

[0006] In view of the technical problems mentioned in the background technology, the purpose of the utility model is to provide a mid-drag dustproof hinge with a simple structure, easy installation, and a positioning block to ensure accuracy and stability during the opening and closing process, so as to solve the technical problems mentioned in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides a technical solution: a mid-drag dustproof hinge, which includes a hinge base, one end of the hinge base is connected to a first connecting rod, the other end of the hinge base is connected to a second connecting rod, the middle part of the hinge base is connected to a third connecting rod, one end of the first connecting rod and the second connecting rod are connected to a fourth connecting rod, one end of the hinge base is provided with a mounting gasket, the mounting gasket and the surface of the hinge base are correspondingly provided with connecting through holes, the upper part of the connecting through hole is connected to a positioning protrusion, the bottom of the positioning protrusion is connected to a connecting screw, the connecting screw passes through the connecting through hole and is threadedly matched with the positioning protrusion to be connected and fixed.

[0008] Furthermore, the first connecting rod, the mounting gasket and the hinge base are hingedly connected via fasteners.

[0009] Furthermore, a connecting groove is opened in the middle of the surface of the hinge base, a mounting plate is connected in the connecting groove, a fixed base plate is connected to the bottom of the mounting plate, one end of the third connecting rod is arranged on the mounting plate, and a fastener is passed through the third connecting rod, the mounting plate and the fixed base to form a hinged connection.

[0010] Furthermore, the size of the connecting slide groove is larger than the size of the mounting bracket.

[0011] Furthermore, one end of the second connecting rod is hingedly connected to the other end of the hinge base via a fastener.

[0012] Furthermore, the third connecting rod is hingedly connected to the second connecting rod via a fastener.

[0013] Furthermore, one end of the first connecting rod and one end of the second connecting rod are respectively hingedly connected to the fourth connecting rod via fasteners.

[0014] Furthermore, a positioning roller is protruding from one end of the hinge base, and the positioning roller and the hinge base are an integrally formed structure.

[0015] Furthermore, a connecting clamping wall is provided at one end of the fourth connecting rod, and a connecting clamping hole is provided on the surface of the connecting clamping wall.

[0016] Furthermore, a plurality of installation through holes are provided on the surface of the hinge base.

[0017] The utility model mainly has the following beneficial effects: one end of the hinge base is connected to the first connecting rod, the other end of the hinge base is connected to the second connecting rod, the middle part of the hinge base is connected to the third connecting rod, one end of the first connecting rod and the second connecting rod are connected to the fourth connecting rod, one end surface of the hinge base is provided with a mounting gasket, the mounting gasket and the surface of the hinge base are correspondingly provided with connecting through holes, the upper part of the connecting through hole is connected with a positioning protrusion, the mid-drag dustproof hinge of the utility model has a simple structure and is easy to install, and the positioning protrusion plays a positioning role, thereby ensuring accuracy and stability during the opening and closing process. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is a schematic diagram of the overall exploded structure of the utility model.

[0020] Figure numerals: hinge base 10; first connecting rod 20; second connecting rod 30; third connecting rod 40; fourth connecting rod 50; mounting gasket 11; connecting through hole 111; positioning protrusion 12; connecting screw 13; connecting slide groove 14; mounting support plate 15; fixed base plate 151; positioning roller 16; connecting clamp wall 51; connecting clamp hole 511; mounting through hole 17. DETAILED DESCRIPTION

[0021] like Figures 1 to 2 As shown, a mid-drag dustproof hinge includes a hinge base 10, one end of the hinge base 10 is connected to a first connecting rod 20, the other end of the hinge base 10 is connected to a second connecting rod 30, the middle of the hinge base 10 is connected to a third connecting rod 40, and one end of the first connecting rod 20 and the second connecting rod 30 is connected to a fourth connecting rod 50. The structure is simple and easy to install.

[0022] During specific implementation, a mounting gasket 11 is provided on one end surface of the hinge base 10, and a connecting through hole 111 is correspondingly provided on the surface of the mounting gasket 11 and the hinge base 10, and a positioning protrusion 12 is connected to the upper part of the connecting through hole 111, and a connecting screw 13 is connected to the bottom of the positioning protrusion 12, and the connecting screw 13 passes through the connecting through hole 111 and is threadedly connected and fixed to the positioning protrusion 12, so that the positioning protrusion 12 is fixedly installed on the mounting gasket 11, and the first connecting rod 20, the mounting gasket 11 and the hinge base 10 are hingedly connected by fasteners. When in use, when the first connecting rod 20 is opened and closed, the positioning protrusion 12 plays a positioning role, ensuring the accuracy and stability during the opening and closing process. This design can improve the service life and reliability of the hinge, and is suitable for various occasions requiring precise opening and closing.

[0023] A connecting groove 14 is opened in the middle of the surface of the hinge base 10, and a mounting bracket 15 is connected to the connecting groove 14. The bottom of the mounting bracket 15 is connected to a fixed base plate 151. One end of the third connecting rod 40 is arranged on the mounting bracket 15, and is hingedly connected by passing through the third connecting rod 40, the mounting bracket 15 and the fixed base plate 151 through a fastener. The size of the connecting groove 14 is larger than the size of the mounting bracket 15. When in use, the mounting bracket 15 can slide along the connecting groove 14, so that the third connecting rod 40 can move along the mounting bracket 15, thereby realizing the opening and closing effect of the hinge.

[0024] One end of the second connecting rod 30 is hingedly connected to the other end of the hinge base 10 via a fastener, the third connecting rod 40 is hingedly connected to the second connecting rod 30 via a fastener, and one end of the first connecting rod 20 and the second connecting rod 30 are respectively hingedly connected to the fourth connecting rod 50 via fasteners, so that the hinge base 10, the first connecting rod 20, the second connecting rod 30, the third connecting rod 40 and the fourth connecting rod 50 are respectively hingedly connected, so that the hinge can be effectively opened and closed.

[0025] A positioning roller 16 is protruded from one end of the hinge base 10. The positioning roller 16 is cylindrical and is an integrally formed structure with the hinge base 10. When in use, the design of the positioning roller 16 can provide additional positioning and stability, further enhancing the function and performance of the hinge.

[0026] One end of the fourth connecting rod 50 is provided with a connecting card wall 51, and a connecting card hole 511 is opened on the surface of the connecting card wall 51. When in use, a first connecting buckle is connected to the connecting card hole 511, and the first connecting buckle is connected to the door and window through the buckle connection, which is convenient for installation.

[0027] The surface of the hinge base 10 is provided with a plurality of mounting through holes 17. When in use, a second connecting buckle is respectively connected to the plurality of mounting through holes 17. The second connecting buckle is connected to the door frame through the buckle connection, which is convenient for installation.

[0028] To sum up the above, one end of the hinge base 10 is connected to the first connecting rod 20, the other end of the hinge base 10 is connected to the second connecting rod 30, the middle of the hinge base 10 is connected to the third connecting rod 40, one end of the first connecting rod 20 and the second connecting rod 30 are connected to the fourth connecting rod 50, and a mounting gasket 11 is provided on the surface of one end of the hinge base 10, and the mounting gasket 11 and the surface of the hinge base 10 are correspondingly provided with connecting through holes 111, and a positioning protrusion 12 is connected to the upper part of the connecting through hole 111. The mid-drag dustproof hinge of the utility model has a simple structure and is easy to install, and the positioning protrusion plays a positioning role, thereby ensuring accuracy and stability during the opening and closing process.

Claims

1. A mid-drag dustproof hinge, characterized in that: The hinge base (10) comprises a hinge base (10), one end of which is connected to a first connecting rod (20), the other end of which is connected to a second connecting rod (30), the middle of which is connected to a third connecting rod (40), one end of the first connecting rod (20) and the second connecting rod (30) are connected to a fourth connecting rod (50), a mounting gasket (11) is provided on the surface of one end of the hinge base (10), the mounting gasket (11) and the surface of the hinge base (10) are correspondingly provided with connecting through holes (111), the upper part of the connecting through hole (111) is connected to a positioning protrusion (12), the bottom of the positioning protrusion (12) is connected to a connecting screw (13), the connecting screw (13) passes through the connecting through hole (111) and is threadedly matched with the positioning protrusion (12) to be connected and fixed.

2. The mid-drag dustproof hinge according to claim 1, characterized in that: The first connecting rod (20), the mounting gasket (11) and the hinge base (10) are hingedly connected via fasteners.

3. The mid-drag dustproof hinge according to claim 2, characterized in that: A connecting groove (14) is provided in the middle of the surface of the hinge base (10), a mounting plate (15) is connected to the connecting groove (14), a fixed base plate (151) is connected to the bottom of the mounting plate (15), one end of the third connecting rod (40) is arranged on the mounting plate (15), and a fastener is passed through the third connecting rod (40), the mounting plate (15) and the fixed base plate (151) to form a hinged connection.

4. The mid-drag dustproof hinge according to claim 3, characterized in that: The size of the connecting slide groove (14) is larger than the size of the mounting support plate (15).

5. The mid-drag dustproof hinge according to claim 4, characterized in that: One end of the second connecting rod (30) is hinge-connected to the other end of the hinge base (10) via a fastener.

6. The mid-drag dustproof hinge according to claim 5, characterized in that: The third connecting rod (40) and the second connecting rod (30) are hingedly connected via a fastener.

7. The mid-drag dustproof hinge according to claim 6, characterized in that: One end of the first connecting rod (20) and one end of the second connecting rod (30) are respectively hingedly connected to the fourth connecting rod (50) via fasteners.

8. The mid-drag dustproof hinge according to claim 7, characterized in that: A positioning roller (16) is protrudingly provided at one end of the hinge base (10); the positioning roller (16) and the hinge base (10) are an integrally formed structure.

9. The mid-drag dustproof hinge according to claim 8, characterized in that: A connecting clamp wall (51) is provided at one end of the fourth connecting rod (50), and a connecting clamp hole (511) is provided on the surface of the connecting clamp wall (51).

10. The mid-drag dustproof hinge according to claim 9, characterized in that: The surface of the hinge base (10) is provided with a plurality of mounting through holes (17).

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