Light one-way torque hinge
By setting damping grooves and damping components on the hinge shaft and combining them with left and right one-way bearings, a lightweight one-way torque hinge was designed, which solved the problem of torque force in existing hinges when opening and closing, and achieved flexible torque control.
Patent Information
- Application Number
- CN202422624084.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
There is a lack of lightweight unidirectional torque hinge products on the market. Existing hinges have torque force when opening and closing, which cannot meet specific needs.
A lightweight unidirectional torque hinge was designed. By setting damping grooves and damping elements on the hinge shaft and combining left and right unidirectional bearings, a unidirectional torque effect is achieved, and the torque value is calibrated by a fine-tuning pin.
It achieves torque force when opening and no torque force when closing, or no torque force when opening and torque force when closing, to meet different usage requirements, and the torque force can be set by adjusting the damping groove parameters and the fine-tuning pin.
Smart Images

Figure CN223577754U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hinge technical field, especially relate to a light one-way torque hinge. BACKGROUND
[0002] Hinge, also known as hinge, is used to connect two solids and allow the relative rotation between two. Hinge is composed of movable components, or by foldable material, which is mainly installed in doors and windows, cabinets, etc. At present, most of the hinges on the market are torque force when opening and closing, or only used in heavy places, lack of one-way torque force light hinge product. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at solving the technical problems in the background art, and provides a light one-way torque hinge.
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A light one-way torque hinge, comprising hinge shaft, left hinge shell, middle hinge shell and right hinge shell;
[0006] A plurality of damping grooves are formed in the middle position of the hinge shaft, and the damping blocks are formed between the adjacent two damping grooves;
[0007] The damping piece is installed on the middle hinge shell, the hinge shaft penetrates the damping piece, and the damping piece abuts against the damping block;
[0008] The left one-way bearing is installed between the left hinge shell and the left end of the hinge shaft, the right one-way bearing is installed between the right hinge shell and the right end of the hinge shaft, and the rotation directions of the left one-way bearing and the right one-way bearing are the same.
[0009] The following is the further defined technical scheme of the utility model, the left hinge shell comprises the integrally arranged left bearing mounting part and left connecting part, the right hinge shell comprises the integrally arranged right bearing mounting part and right connecting part, and the middle hinge shell comprises the integrally arranged middle mounting part and middle connecting part;
[0010] The left one-way bearing is installed in the bearing mounting cavity of the left bearing mounting part, the right one-way bearing is installed in the bearing mounting cavity of the right bearing mounting part, and the damping piece is installed in the damping mounting cavity of the middle mounting part.
[0011] The following is the further defined technical scheme of the utility model, the damping piece and the left one-way bearing are connected with the left metal side sealing block, the left metal side sealing block is in the left side sealing block cavity of the middle mounting part, the damping piece and the right one-way bearing are connected with the right metal side sealing block, and the right metal side sealing block is in the right side sealing block mounting cavity of the middle mounting part.
[0012] The left metal side sealing block and the left bearing mounting portion abut against a left sealing ring, and the right metal side sealing block and the right bearing mounting portion abut against a right sealing ring.
[0013] The left connecting portion and the right connecting portion are connected with a pin.
[0014] The damping member is provided with a fine adjustment pin, and the fine adjustment pin abuts against the inner wall of the damping mounting cavity of the middle mounting portion.
[0015] Compared with the prior art, the utility model has the following technical effects:
[0016] The utility model discloses a damping groove on the hinge shaft generates the torque force, and the number and the parameter of the damping groove on the hinge shaft are adjusted to set the torque force of the hinge, and the fine adjustment pin is used to calibrate the torque value of the product.
[0017] The utility model is further explained below in connection with the drawings and the embodiments. DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for the ordinary skilled in the art.
[0019] Figure 1 It is the structural schematic diagram of the utility model;
[0020] Figure 2 It is the explosion structural schematic diagram of the utility model.
[0021] The figure mark: 1, hinge shaft;101, damping groove;102, damping block;2, left hinge shell;201, left bearing mounting portion;202, left connecting portion;3, middle hinge shell;301, middle mounting portion;302, middle connecting portion;4, right hinge shell;401, right bearing mounting portion;402, right connecting portion;5, damping member;6, left one-way bearing;7, right one-way bearing;8, left metal side sealing block;9, right metal side sealing block;10, left sealing ring;11, right sealing ring;12, pin;13, fine adjustment pin. DETAILED DESCRIPTION
[0022] In order to make the above objectives, features and advantages of the present application more obvious and understandable, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.
[0023] As shown in Figure 1 and 2 The present embodiment proposes a light one-way torque hinge, which mainly comprises a hinge shaft 1, a left hinge shell 2, a middle hinge shell 3, a right hinge shell 4, a damping piece 5, a left one-way bearing 6, a right one-way bearing 7, a left metal side sealing block 8, a right metal side sealing block 9, a left sealing ring 10, a right sealing ring 11, a pin 12 and a fine adjustment pin 13, etc.
[0024] The left hinge shell 2 comprises a left bearing mounting portion 201 and a left connecting portion 202 which are integrally arranged.
[0025] The right hinge shell 4 comprises a right bearing mounting portion 401 and a right connecting portion 402 which are integrally arranged.
[0026] The middle hinge shell 3 comprises a middle mounting portion 301 and a middle connecting portion 302 which are integrally arranged. The damping mounting cavity of the middle mounting portion 301 is mounted with the damping piece 5, the damping piece 5 is sleeved into the damping mounting cavity, and the damping piece 5 rotates with the rotation of the middle hinge shell. Further, the fine adjustment pin 13 is mounted on the damping piece 5, the fine adjustment pin 13 abuts against the inner wall of the damping mounting cavity of the middle mounting portion 301, and the fine adjustment pin 13 is used to calibrate the torque value of the product.
[0027] A plurality of damping grooves 101 are formed in the middle position of the hinge shaft 1, and a damping block 102 is formed between two adjacent damping grooves 101. The hinge shaft 1 penetrates the damping piece 5, and the damping piece 5 abuts against the damping block 102.
[0028] The outer ring of the left one-way bearing 6 is tightly fitted and mounted in the bearing mounting cavity of the left bearing mounting portion 201, and the left end of the hinge shaft 1 is tightly fitted and mounted in the inner ring of the left one-way bearing 6. The outer ring of the right one-way bearing 7 is tightly fitted and mounted in the bearing mounting cavity of the right bearing mounting portion 401, and the right end of the hinge shaft 1 is tightly fitted and mounted in the inner ring of the right one-way bearing 7. The rotation directions of the left one-way bearing 6 and the right one-way bearing 7 are the same. It should be noted that the structural characteristics of the one-way bearing itself are prior art, that is, the inner ring and the outer ring of the one-way bearing can only rotate in one direction, and cannot rotate in both forward and reverse directions.
[0029] The left metal side sealing block 8 is connected between the damping member 5 and the left one-way bearing 6, is arranged in the left side sealing block cavity of the middle mounting portion 301, and is used for sealing the gap between the damping member 5 and the left one-way bearing 6. The right metal side sealing block 9 is connected between the damping member 5 and the right one-way bearing 7, is arranged in the right side sealing block cavity of the middle mounting portion 301, and is used for sealing the gap between the damping member 5 and the right one-way bearing 7.
[0030] The left sealing ring 10 is abutted between the left metal side sealing block 8 and the left bearing mounting portion 201, and is used for sealing the gap between the left metal side sealing block 8 and the left bearing mounting portion 201. The right sealing ring 11 is abutted between the right metal side sealing block 9 and the right bearing mounting portion 401, and is used for sealing the gap between the right metal side sealing block 9 and the right bearing mounting portion 401.
[0031] Further, the pin 12 is connected between the left connecting portion 202 and the right connecting portion 402, and the left hinge shell 2 and the right hinge shell 4 are connected through the pin 12, so that the left hinge shell 2 and the right hinge shell 4 can rotate synchronously.
[0032] Therefore, the product of the embodiment can realize that there is a torque force when being opened, and there is no torque force when being closed; or there is no torque force when being opened, and there is a torque force when being closed. The torque force is generated in the product through the damping member 5 and the damping groove 101 on the hinge shaft 1, the number and parameters of the damping groove 101 on the hinge shaft 1 are adjusted to set the torque force of the hinge, and the fine adjustment pin 13 is used to calibrate the torque value of the product.
[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any person skilled in the art can make many possible changes and modifications to the utility model technical scheme or modify equivalent embodiments without departing from the scope of the utility model technical scheme. Therefore, any equivalent changes made according to the shape, structure and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A lightweight unidirectional torque hinge, characterized in that, It includes a hinge shaft (1), a left hinge housing (2), a middle hinge housing (3), and a right hinge housing (4); The hinge shaft (1) has multiple damping grooves (101) in the middle position and a damping block (102) is formed between two adjacent damping grooves (101); A damping element (5) is installed on the hinge housing (3), the hinge shaft (1) passes through the damping element (5) and the damping element (5) abuts against the damping block (102); A left one-way bearing (6) is installed between the left hinge housing (2) and the left end of the hinge shaft (1), and a right one-way bearing (7) is installed between the right hinge housing (4) and the right end of the hinge shaft (1). The left one-way bearing (6) and the right one-way bearing (7) rotate in the same direction.
2. The lightweight unidirectional torque hinge as described in claim 1, characterized in that, The left hinge housing (2) includes an integrally formed left bearing mounting part (201) and a left connecting part (202); the right hinge housing (4) includes an integrally formed right bearing mounting part (401) and a right connecting part (402); and the middle hinge housing (3) includes an integrally formed middle mounting part (301) and a middle connecting part (302). The left one-way bearing (6) is installed in the bearing mounting cavity of the left bearing mounting part (201), the right one-way bearing (7) is installed in the bearing mounting cavity of the right bearing mounting part (401), and the damping element (5) is installed in the damping mounting cavity of the middle mounting part (301).
3. A lightweight unidirectional torque hinge as described in claim 2, characterized in that, A left metal side seal (8) is connected between the damping element (5) and the left one-way bearing (6). The left metal side seal (8) is located in the left side seal cavity of the middle mounting part (301). A right metal side seal (9) is connected between the damping element (5) and the right one-way bearing (7). The right metal side seal (9) is located in the right side seal mounting cavity of the middle mounting part (301).
4. A lightweight unidirectional torque hinge as described in claim 3, characterized in that, A left sealing ring (10) abuts between the left metal side sealing block (8) and the left bearing mounting part (201), and a right sealing ring (11) abuts between the right metal side sealing block (9) and the right bearing mounting part (401).
5. A lightweight unidirectional torque hinge as described in claim 2, characterized in that, A pin (12) is connected between the left connecting part (202) and the right connecting part (402).
6. A lightweight unidirectional torque hinge as described in claim 2, characterized in that, The damping component (5) is equipped with a fine-adjustment pin (13), which abuts against the inner wall of the damping mounting cavity of the central mounting part (301).