Hinge mechanism capable of adjusting rotation tightness

The adjustable main shaft assembly and the fastening nut connection solve the problem of the tightness between the rotating part and the main shaft in the hinge mechanism being unable to be adjusted, thereby improving the installation convenience and safety of the hinge mechanism.

CN223330407UActive Publication Date: 2025-09-12YONGKANG CHENMING IND & TRADE CO LTD
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Patent Information

Application Number
CN202422741559.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-12
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The tightness between the rotating member and the main shaft in the existing hinge mechanism cannot be adjusted, resulting in inconvenience in installation.

Method used

An adjustable spindle assembly is used. By rotating the screw head, the threaded rod is detachably connected to the internal threaded hole and the fastening nut. The tightness of the spindle and the rotating part can be adjusted, and the fastening nut is connected to the spindle body to prevent sliding or falling.

Benefits of technology

The tightness between the rotating part and the main shaft in the hinge mechanism can be adjusted, thereby enhancing the safety performance of the hinge mechanism.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223330407U_ABST
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Abstract

The utility model discloses a hinge mechanism capable of adjusting rotation tightness. The hinge mechanism comprises a first fixing part and a second fixing part which are oppositely arranged, the main shaft assembly is adjustably and fixedly arranged on the first fixing piece and the second fixing piece and comprises a main shaft body, and the main shaft body sequentially penetrates through the first fixing piece and the second fixing piece and is in detachable threaded connection with the second fixing piece; the two plane bearings are respectively arranged on the main shaft main body in a penetrating manner, and the rotating part is arranged between the two plane bearings; the fastening nut is in detachable threaded connection with the main shaft main body and is in contact connection with the second fixing piece; the rotating piece is rotationally connected to the main shaft body. According to the utility model, the adjustable main shaft assembly is arranged, so that the tightness adjustment operation between the main shaft assembly and the rotating piece is effectively realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a hinge mechanism with adjustable rotation tightness. Background Art

[0002] A hinge is a mechanical device used to connect two solid objects and allow relative rotation between them. It is primarily installed on doors and windows. The mounting blades of conventional door and window hinges are connected to the pin sleeve along a tangential direction of the pin sleeve. The surface where the mounting blades meet the pin sleeve is the mounting surface. Only when the mounting surfaces of the two mounting blades are securely attached to the door, window, and door / window frame, respectively, can the hinge function reliably. In the prior art, the main shaft of the hinge mechanism is generally fixed to a fixed member during production and assembly. The position of the main shaft relative to the fixed member cannot be adjusted, resulting in the inability to adjust the rotational tension between the rotating member and the main shaft according to actual installation requirements. Therefore, a hinge mechanism with adjustable rotational tension is provided to address this issue. Utility Model Content

[0003] One of the purposes of the present invention is to provide a hinge mechanism with adjustable rotational tightness, so as to solve the problem that the tightness between the rotating member and the main shaft in the existing hinge mechanism cannot be adjusted.

[0004] The utility model provides a hinge mechanism with adjustable rotation tightness that can be realized by the following technical solutions:

[0005] The utility model discloses a hinge mechanism with adjustable rotation tightness, comprising a first fixing member and a second fixing member arranged opposite to each other; a main shaft assembly adjustable and fixed to the first fixing member and the second fixing member; and a rotating member rotatably connected to the main shaft assembly.

[0006] Among them, the spindle assembly includes a spindle body, which passes through the first fixing member and the second fixing member in sequence and is detachably threadedly connected to the second fixing member; passes through two plane bearings arranged on the spindle body respectively, and the rotating member is arranged between the two plane bearings; a fastening nut that is detachably threadedly connected to the spindle body and is in contact with the second fixing member.

[0007] In one embodiment, the first fixing member and the second fixing member are both in a 7-shape.

[0008] In one embodiment, at least one first fixing hole and at least one second fixing hole are respectively provided through the vertical surfaces of the first fixing member and the second fixing member.

[0009] In one embodiment, a through hole and an internal threaded hole are respectively provided on the horizontal surfaces of the first fixing member and the second fixing member, and the spindle assembly passes through the through hole and is detachably threadedly connected to the internal threaded hole.

[0010] In one embodiment, the main shaft body includes a screwing head, a connecting rod and a threaded rod arranged in sequence, and the threaded rod is detachably threadedly connected to the internal threaded hole and the fastening nut in sequence.

[0011] In one embodiment, the screwing head is a straight screwing head, a cross screwing head or a hexagonal screwing head.

[0012] In one embodiment, gaskets are provided at the locations where the plane bearing contacts and connects with the first fixing member, the second fixing member, and the rotating member, respectively.

[0013] In one embodiment, a rotating hole is provided on a side of the rotating member, and the rotating hole is movably provided on the main shaft body and is provided between the two plane bearings.

[0014] In one embodiment, shaft sleeves are respectively provided at both ends of the rotating hole, and the rotating member is in contact with and connected to the main shaft body through the shaft sleeves.

[0015] In one embodiment, at least one third fixing hole is provided through the rotating member.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a hinge mechanism with adjustable rotation tightness, which enables the threaded rod to be synchronously connected with the internal threaded hole and the fastening nut in a detachable threaded connection by rotating the screw head, thereby adjusting the tightness of the main shaft body and the rotating part, effectively solving the problem that the tightness between the rotating part and the main shaft in the existing hinge mechanism cannot be adjusted; at the same time, the fastening nut is fastened to the main shaft body, effectively preventing the main shaft body from sliding or falling between the first fixing part and the second fixing part, thereby enhancing the safety performance of the hinge mechanism to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1This is a structural diagram of a hinge mechanism with adjustable rotation tightness in the utility model;

[0020] Figure 2 yes Figure 1 The schematic diagram of the structure of the hinge mechanism with adjustable rotation tightness of the present invention from another perspective is shown;

[0021] Figure 3 yes Figure 1 The exploded structural diagram of the utility model is a hinge mechanism with adjustable rotation tightness, comprising a second fixing member, a main shaft body and a rotating member;

[0022] Figure 4 yes Figure 3 A schematic structural diagram of the second fixing member shown;

[0023] Figure 5 yes Figure 3 The structural diagram of the main shaft shown;

[0024] Figure 6 yes Figure 3 Schematic diagram of the structure of the rotating part shown.

[0025] Markings in the figure: 10, hinge mechanism; 11, first fixing part; 111, first fixing hole; 112, through hole; 12, second fixing part; 121, second fixing hole; 122, internal threaded hole; 13, main shaft assembly; 131, main shaft body; 1311, screwing head; 1312, connecting rod; 1313, threaded rod; 132, plane bearing; 133, fastening nut; 14, rotating part; 141, rotating hole; 142, third fixing hole. DETAILED DESCRIPTION

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 3As shown, the utility model is a hinge mechanism 10 with adjustable rotation tightness mainly comprising a first fixing member 11, a second fixing member 12, a main shaft assembly 13 and a rotating member 14; the first fixing member 11 and the second fixing member 12 are arranged opposite to each other, and both are fixedly mounted on the door and window frames; the main shaft assembly 13 is adjustably fixedly arranged on the first fixing member 11 and the second fixing member 12; one end of the rotating member 14 is rotatably connected to the main shaft assembly 13, and the other end thereof is fixedly connected to the door and window, and the rotating member 14 can rotate relative to the main shaft assembly 13. The door and window can rotate relative to the door and window frame through the cooperation of the rotating member 14 and the main shaft assembly 13, thereby realizing the opening and closing operation of the door and window.

[0029] See also Figure 1-Figure 3 As shown, in this embodiment, the first fixing member 11 is shaped like a 7, and at least one first fixing hole 111 is provided on its vertical surface, and the fastening screw fixes the first fixing member 11 to the door and window frame through the first fixing hole 111; a through hole 112 is provided on the horizontal surface of the first fixing member 11, and the main shaft assembly 13 passes through the first fixing member 11 through the through hole 112.

[0030] See also Figure 1-Figure 4 As shown, in this embodiment, the second fixing member 12 is also 7-shaped, and at least one second fixing hole 121 is provided on its vertical surface, and the fastening screw fixes the second fixing member 12 to the door and window frame through the second fixing hole 121; the horizontal surface of the second fixing member 12 is provided with an internal threaded hole 122, which is arranged on the same line as the through hole 112, and the main shaft assembly 13 can be detachably threadedly connected to the internal threaded hole 122, so as to adjust the tightness of the main shaft assembly 13 and the rotating member 14.

[0031] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown, in this embodiment, the spindle assembly 13 includes a spindle body 131, two planar bearings 132, and a fastening nut 133. The spindle body 131 is a linear rod that passes through the first fixing member 11 and the second fixing member 12 through the through hole 112 and the internal threaded hole 122, respectively, and is detachably threadedly connected to the second fixing member 12. The two planar bearings 132 are respectively disposed through the spindle body 131, and the rotating member 14 is disposed between the two planar bearings 132 and can rotate relative to the spindle body 131 via the two planar bearings 132. The fastening nut 133 is detachably threadedly connected to the spindle body 131 and is in contact with the second fixing member 12, thereby fixing the spindle body 131 between the first fixing member 11 and the second fixing member 12. Specifically, gaskets are provided at the locations where the planar bearings 132 contact the first fixing member 11, the second fixing member 12, and the rotating member 14.

[0032] See also Figure 5 In this embodiment, the main spindle body 131 includes a screwing head 1311, a connecting rod 1312, and a threaded rod 1313, which are sequentially arranged. By screwing the screwing head 1311, the threaded rod 1313 is synchronously and detachably threadedly connected to the internal threaded hole 122 and the fastening nut 133, thereby adjusting the tightness of the main spindle body 131 and the rotating member 14. Specifically, the screwing head 1311 can be a straight screwing head, a cross screwing head, or a hexagonal screwing head. In this embodiment, the screwing head 1311 is a hexagonal screwing head.

[0033] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 6 As shown, in this embodiment, a rotating hole 141 is provided on the side of the rotating member 14, and the rotating hole 141 is movably provided on the main shaft body 131 and is provided between the two plane bearings 132, so that the rotating member 14 can rotate relative to the main shaft body 131. Preferably, shaft sleeves are provided at both ends of the rotating hole 141, and the rotating member 14 is in contact with the main shaft body 131 through the shaft sleeves, thereby enhancing the flexibility of the rotating member 14 and extending the service life of the rotating member 14; at least one third fixing hole 142 is also provided on the rotating member 14, and the fastening screw fixes the rotating member 14 on the door and window through the third fixing hole 142.

[0034] It should be noted that the specific working process of the hinge mechanism 10 with adjustable rotation tightness of the present invention is: first, fix the first fixing part 11 and the second fixing part 12 on the door and window frames respectively, then fix the rotating part 14 on the door and window, and then rotate the screw head 1311 according to actual installation requirements, so that the threaded rod 1313 is synchronously connected with the internal threaded hole 122 and the fastening nut 133 in a detachable threaded manner, thereby adjusting the tightness of the main shaft body 131 and the rotating part 14. After adjustment, tighten the fastening nut 133 with a wrench, so that the main shaft body 131 is fixedly set between the first fixing part 11 and the second fixing part 12, completing the entire installation process.

[0035] The technical features of the above-described embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A hinge mechanism with adjustable rotation tension, characterized in that: It comprises a first fixing member and a second fixing member arranged opposite to each other; a main shaft assembly which is adjustably fixed on the first fixing member and the second fixing member; and a rotating member which is rotatably connected to the main shaft assembly; Among them, the spindle assembly includes a spindle body, which passes through the first fixing member and the second fixing member in sequence and is detachably threadedly connected to the second fixing member; passes through two plane bearings arranged on the spindle body respectively, and the rotating member is arranged between the two plane bearings; a fastening nut that is detachably threadedly connected to the spindle body and is in contact with the second fixing member.

2. The hinge mechanism with adjustable rotation tension according to claim 1, characterized in that: The first fixing member and the second fixing member are both in a 7-shape.

3. The hinge mechanism with adjustable rotation tension according to claim 2, characterized in that: At least one first fixing hole and at least one second fixing hole are respectively formed through the vertical surfaces of the first fixing member and the second fixing member.

4. The hinge mechanism with adjustable rotation tension according to claim 3, characterized in that: A through hole and an internal threaded hole are respectively provided on the horizontal surfaces of the first fixing member and the second fixing member, and the main shaft assembly passes through the through hole and is detachably threadedly connected to the internal threaded hole.

5. The hinge mechanism with adjustable rotation tension according to claim 4, characterized in that: The main shaft body includes a screwing head, a connecting rod and a threaded rod which are arranged in sequence. The threaded rod is detachably threadedly connected to the internal threaded hole and the fastening nut in sequence.

6. The hinge mechanism with adjustable rotation tension according to claim 5, characterized in that: The screwing head is a straight screwing head, a cross screwing head or a hexagonal screwing head.

7. The hinge mechanism with adjustable rotation tension according to claim 1, characterized in that: Gaskets are provided at the locations where the plane bearing is in contact with the first fixing member, the second fixing member, and the rotating member respectively.

8. The hinge mechanism with adjustable rotation tension according to claim 1, characterized in that: A rotating hole is provided on the side of the rotating member. The rotating hole is movably provided on the main shaft body and is provided between the two plane bearings.

9. The hinge mechanism with adjustable rotation tension according to claim 8, characterized in that: Both ends of the rotating hole are respectively provided with shaft sleeves, and the rotating member is in contact with and connected to the main shaft body through the shaft sleeves.

10. The hinge mechanism with adjustable rotation tension according to claim 8, characterized in that: At least one third fixing hole is provided through the rotating member.