Sliding type hinge and electronic equipment

Abstract

The invention relates to the technical field of hinges, and provides a sliding type hinge and electronic equipment. The sliding type hinge comprises a hinge shaft body, a sliding staddle and a fixed mounting staddle; a connecting staddle is hinged to one end of the hinge shaft body, and a connecting rod mechanism is arranged at the other end; one end of the sliding staddle sleeves the hinge shaft body, and the other end forms a sliding part; the fixed mounting staddle is used for being fixedly connected with a to-be-mounted station and is provided with a matching part which is in corresponding sliding fit with the sliding part; when the hinge shaft body rotates, the connecting rod mechanism can correspondingly rotate to be folded or unfolded along with the hinge shaft body, and correspondingly drives the sliding part to slide and translate towards or away from the fixedly-mounted staddle along the matching part. The electronic equipment comprises the sliding type hinge, the sliding type hinge and the electronic equipment can enable a screen to move away from the equipment body when the screen is opened, and the beneficial effects that a large heat dissipation gap can be formed, and a heat dissipation air outlet of the equipment body is prevented from being blocked are achieved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of hinges, and in particular to a sliding hinge and an electronic device. Background Art

[0002] In recent years, the design of laptops has become increasingly thinner and lighter. The rear-blowing cooling fan design usually adopts a sunken hinge structure due to the screen-to-body ratio design. However, the hinged end of the screen assembly will block the air outlet of the cooling fan, causing a certain degree of hot air reflux, thereby affecting the cooling effect of the cooling fan.

[0003] In this regard, there are two commonly used design solutions in the prior art: one is to use a new hinge structure to support the opening of the bottom shell of the laptop when the hinge rotates, so as to better dissipate heat; the other is to use a new hinge structure to support the opening of the keyboard of the laptop to better dissipate heat. However, these two new hinge structures have a certain impact on the stability of the laptop placement support, and they are also easy to cause foreign objects to enter the laptop and cause accidental damage to the structure.

[0004] Therefore, there is an urgent need for a new hinge structure in the market to better solve the problem that the hinge structure of the thin and light notebook computer in the prior art affects the heat dissipation effect of the heat dissipation fan. Summary of the invention

[0005] The embodiments of the present disclosure provide a sliding hinge and an electronic device to solve the problem in the prior art that the hinge structure blocks the air outlet of the cooling fan and affects the cooling effect of the cooling fan.

[0006] The sliding hinge provided in the embodiment of the present disclosure includes a hinge shaft body, a sliding support frame and a fixed support frame;

[0007] One end of the hinge shaft body is hingedly provided with a connecting frame, and the other end is provided with a connecting rod mechanism;

[0008] One end of the sliding support frame is sleeved on the hinge shaft body, and the other end forms a sliding portion;

[0009] The fixed support frame is used to be fixedly connected to the station to be installed, and has a matching portion that is slidably matched with the sliding portion;

[0010] When the hinge shaft body rotates, the connecting rod mechanism can rotate and fold or rotate and stretch accordingly, and correspondingly drive the sliding portion to slide and translate along the matching portion toward or away from the fixed support frame.

[0011] In one possible implementation manner, the sliding portion is provided with a sliding hole along its own sliding direction;

[0012] The matching portion is provided with a guide head movably inserted into the sliding hole;

[0013] When the sliding portion slides along the matching portion, the guide head slides relatively in the sliding hole.

[0014] In one possible implementation manner, the other end of the connecting rod mechanism is provided with a hinged joint which is movably inserted into the sliding hole and hingedly connected to the matching portion;

[0015] When the sliding portion slides along the matching portion, the hinge head slides relatively in the sliding hole accordingly.

[0016] In one possible implementation, the linkage mechanism includes a first linkage arm and a second linkage arm;

[0017] One end of the first link arm is fixedly connected to the end of the hinge shaft body, and the other end forms a connecting end;

[0018] One end of the second link arm is hinged to the connecting end, and the other end is hinged to the matching portion through the hinge head;

[0019] Wherein, the first connecting rod arm is vertically arranged to the hinge shaft body, and the second connecting rod arm and the first connecting rod arm are respectively located in two parallel space planes.

[0020] In one possible implementation manner, the sliding support frame includes a sliding base plate and a set plate;

[0021] The sliding base plate and the fixed support frame are arranged flush along the same plane;

[0022] The set plate is vertically arranged on one side of the sliding base plate, and is set and connected with the hinge shaft body through a set hole provided in the set plate;

[0023] Wherein, the sliding portion is vertically arranged on a side of the sliding base plate opposite to the set plate.

[0024] In one possible implementation manner, a positioning hole is further provided in the set plate;

[0025] A concave cam group is also sleeved in the hinge shaft body, and the concave cam group has a plug connector that is plugged and positioned corresponding to the positioning hole.

[0026] In one possible implementation manner, a torque ring assembly is also sleeved in the hinge shaft body;

[0027] The torque ring assembly includes a plurality of elastic rings arranged closely together;

[0028] One side of the torque ring assembly is limited by the nut in the hinge shaft body, and the other side is limited by the concave cam group.

[0029] In one possible implementation manner, a limiting hole is further provided in the sliding substrate;

[0030] When the sliding support frame slides to the initial station or the terminal station, the limiting hole can be plugged into the limiting protrusion in the station to be installed.

[0031] In addition, an embodiment of the present disclosure further provides an electronic device, which includes a device body and the above-mentioned sliding hinge;

[0032] The fixed support frame is fixedly connected to the station to be installed in the equipment body, and the connecting support frame is fixedly connected to the component to be hinged in the equipment body.

[0033] In one possible implementation manner, the device body includes an opening and closing screen, and the opening and closing screen is fixedly mounted and connected to the connecting support frame.

[0034] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0035] The sliding hinge provided by the embodiment of the present disclosure can be applied to the screen of a laptop computer. When the screen is flipped open or closed, the connecting support frame in the sliding hinge drives the hinge shaft body to rotate, and the connecting rod mechanism at the other end of the hinge shaft body rotates and stretches accordingly, and increases the effective connection length of the connecting rod mechanism itself, so as to drive the sliding portion in the sliding support frame to slide and translate away from or toward the fixed support frame along the matching portion, so that the screen can be flipped open and the screen can be translated away from the laptop computer body to increase the heat dissipation gap between the screen and the laptop computer body when it is opened, thereby avoiding the sliding hinge blocking the air outlet of the cooling fan in the laptop computer body, which can effectively increase the actual heat dissipation area of ​​the air outlet and greatly improve the heat dissipation efficiency of the cooling fan; when the screen is closed, the sliding hinge can translate the screen toward the laptop computer body, block the heat dissipation gap, and ensure the sealing and protective performance of the laptop computer in the closed state.

[0036] In addition, the electronic device provided by the embodiment of the present disclosure includes the above-mentioned sliding hinge, which can achieve the same beneficial effects and will not be further elaborated here.

[0037] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, in which:

[0039] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0040] Figure 1 A three-dimensional structural diagram of a sliding hinge provided in an embodiment of the present disclosure is shown;

[0041] Figure 2 A three-dimensional structural diagram of a sliding hinge provided by an embodiment of the present disclosure from another perspective is shown;

[0042] Figure 3 A three-dimensional structural diagram of a sliding hinge provided in an embodiment of the present disclosure is shown (excluding a connecting frame);

[0043] Figure 4 A three-dimensional diagram of an electronic device provided by an embodiment of the present disclosure is shown.

[0044] Explanation of the numbers in the figure: 1. Hinge shaft body; 11. Connecting support frame; 12. Link mechanism; 121. First link arm; 122. Second link arm; 123. Hinge head; 13. Concave cam group; 131. Plug head; 14. Torque ring assembly; 2. Sliding support frame; 21. Sliding part; 211. Sliding hole; 22. Sliding base plate; 221. Limiting hole; 23. Set plate; 231. Positioning hole; 3. Fixed support frame; 31. Matching part; 311. Guide head; 4. Equipment body; 41. Opening and closing screen. DETAILED DESCRIPTION

[0045] In order to make the purpose, features, and advantages of the present disclosure more obvious and easy to understand, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0046] The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0047] Combination Figure 1 and Figure 2As shown, the embodiment of the present disclosure provides a sliding hinge, which includes a hinge body 1, a sliding support frame 2 and a fixed support frame 3; one end of the hinge body 1 is hingedly provided with a connecting support frame 11, and the other end is provided with a connecting rod mechanism 12; one end of the sliding support frame 2 is sleeved on the hinge body 1, and the other end forms a sliding portion 21; the fixed support frame 3 is used to be fixedly connected to the installation station to be installed, and has a matching portion 31 that corresponds to the sliding portion 21 for sliding cooperation; wherein, when the hinge body 1 rotates, the connecting rod mechanism 12 can rotate and fold or rotate and stretch accordingly, and correspondingly drive the sliding portion 21 to slide and translate along the matching portion 31 toward or away from the fixed support frame 3.

[0048] The sliding hinge can be specifically but not limited to being applied to a screen hinge of a notebook computer, and this is taken as an example to illustrate the use process.

[0049] When the sliding hinge is used, the hinge shaft body 1 is first connected to the connecting frame 11 and the connecting rod mechanism 12 respectively, and the screen assembly in the laptop computer is installed in the connecting frame 11 accordingly, and then the fixed frame 3 is fixedly connected to the installation station in the laptop computer body, so that the installation connection of the sliding hinge can be realized.

[0050] When the user flips open the screen of the laptop computer, the screen can drive the hinge body 1 to rotate through the connecting frame 11, and the connecting rod mechanism 12 at the other end of the hinge body 1 can rotate and stretch accordingly, thereby increasing the effective connection length of the connecting rod mechanism 12 itself, and correspondingly driving the sliding portion 21 in the sliding frame 2 to slide and translate along the matching portion 31 away from the fixed frame 3, so that the screen can finally achieve the flipping and opening function, and at the same time, the screen can be translated away from the laptop computer body to increase the heat dissipation gap between the screen and the laptop computer body when it is opened, thereby avoiding the sliding hinge blocking the air outlet of the cooling fan in the laptop computer body, which can effectively increase the actual heat dissipation area of ​​the air outlet and greatly improve the heat dissipation efficiency of the cooling fan.

[0051] Furthermore, when the user flips and closes the screen of the laptop computer, the screen can drive the hinge body 1 to rotate in the opposite direction through the connecting frame 11, and the connecting rod mechanism 12 at the other end of the hinge body 1 can be rotated and folded accordingly, thereby reducing the effective connection length of the connecting rod mechanism 12 itself, and correspondingly driving the sliding portion 21 in the sliding frame 2 to slide and translate along the matching portion 31 toward the fixed frame 3, ultimately enabling the screen to achieve the flipping and closing function while also allowing the screen to translate toward the laptop computer body to reduce the gap between the screen and the laptop computer body when the screen is closed, thereby preventing foreign debris, dust, etc. from entering the laptop computer body through the air outlet of the cooling fan, effectively ensuring the sealing protection of the laptop computer in the closed state.

[0052] To summarize, when the sliding hinge provided by the embodiment of the present disclosure is applied to the flip screen of a laptop computer, when opened, the sliding hinge can make the screen translate away from the laptop computer body, form a heat dissipation gap, avoid blocking the air outlet of the cooling fan in the laptop computer body, and improve the heat dissipation effect of the fan; when closed, the sliding hinge can make the screen translate toward the laptop computer body, block the heat dissipation gap, and ensure the sealing and protective performance of the laptop computer in the closed state.

[0053] In one embodiment, the sliding portion 21 is provided with a sliding hole 211 along its own sliding direction; the matching portion 31 is provided with a guide head 311 movably inserted in the sliding hole 211; wherein, when the sliding portion 21 slides along the matching portion 31, the guide head 311 slides relatively in the sliding hole 211.

[0054] Specific, combined Figure 1 and Figure 3 To further explain in detail, a sliding hole 211 is opened in the sliding part 21 along its own sliding direction. The sliding hole 211 can be specifically but not limited to a waist-shaped hole that can be set as a long strip, and the matching part 31 is provided with a guide head 311 that is movably inserted in the sliding hole 211. The guide head 311 can be set to a cylindrical shape or a slat shape. In this way, when the sliding support frame 2 drives the sliding part 21 to slide along the matching part 31 away from or toward the fixed support frame 3, the guide head 311 is fixed and stationary, but the sliding hole 211 in the sliding part 21 slides. Therefore, the guide head 311 can slide relatively in the sliding hole 211, and the sliding hole 211 and the guide head 311 can form a linear moving pair, which fully ensures the linearity of the sliding direction of the sliding support frame 2.

[0055] The specific arrangement of the sliding hole 211 and the guide head 311 has the beneficial effects of being simple in structure and being able to stably and effectively ensure the reciprocating sliding of the sliding support frame 2 along a single linear direction.

[0056] In one embodiment, the other end of the connecting rod mechanism 12 is provided with a hinge head 123 that is movably inserted into the sliding hole 211 and hinged to the matching portion 31; wherein, when the sliding portion 21 slides along the matching portion 31, the hinge head 123 slides relatively in the sliding hole 211.

[0057] Specific, combined Figure 1 and Figure 3To further explain in detail, a hinge joint 123 is provided at the other end of the connecting rod mechanism 12, which is inserted into the sliding hole 211 and hinged to the matching part 31, so that the connecting rod mechanism 12 can be limitedly connected with the matching part 31 through the hinge joint 123, and the connection position with the matching part 31 remains unchanged. In this way, when the sliding support frame 2 drives the sliding part 21 to slide along the matching part 31 away from or toward the fixed support frame 3, the hinge joint 123 is fixed and stationary, but the sliding hole 211 in the sliding part 21 slides. Therefore, the hinge joint 123 can slide relatively in the sliding hole 211, ensuring that the connecting rod mechanism 12 can perform the "telescopic" function normally with the hinge shaft body 1, while not affecting the normal sliding function of the sliding part 21 along the matching part 31.

[0058] The specific configuration of the hinged joint 123 has the beneficial effects of being simple in structure and being able to achieve a relatively fixed connection between one end of the connecting rod mechanism 12 and the matching portion 31 .

[0059] In one embodiment, the linkage mechanism 12 includes a first linkage arm 121 and a second linkage arm 122; one end of the first linkage arm 121 is fixedly connected to the end of the hinge shaft body 1, and the other end forms a connecting end; one end of the second linkage arm 122 is hinged to the connecting end, and the other end is hinged to the matching part 31 through a hinge head 123; wherein the first linkage arm 121 is vertically arranged to the hinge shaft body 1, and the second linkage arm 122 and the first linkage arm 121 are respectively located in two parallel spatial planes.

[0060] Specific, combined Figure 1 and Figure 3 To further explain in detail, the connecting rod mechanism 12 is specifically configured to include a first connecting rod arm 121 and a second connecting rod arm 122 which are hinged to each other, and one end of the first connecting rod arm 121 is fixedly connected to the end of the hinge shaft body 1, and the other end of the second connecting rod arm 122 is correspondingly hinged to the matching part 31 through a hinge joint 123. In this way, when the hinge shaft body 1 rotates, it can drive the first connecting rod arm 121 to rotate, and drive the second connecting arm 122 to swing relative to the first connecting arm 121, thereby realizing the function of changing the effective "connection length" of the connecting rod mechanism 12, thereby forcing the sliding support frame 2 to slide accordingly, thereby realizing the function of changing the distance between the hinge shaft body 1 and the fixed support frame 3.

[0061] The specific arrangement of the connecting rod mechanism 12 has the beneficial effects of simple structure, being able to stably drive the sliding support frame 2 to slide under the rotation of the hinge shaft body 1, and smoothly adjusting the distance between the hinge shaft body 1 and the fixed support frame 3.

[0062] In one embodiment, the sliding support frame 2 includes a sliding base plate 22 and a set plate 23; the sliding base plate 22 and the fixed support frame 3 are arranged flush along the same plane; the set plate 23 is vertically arranged on one side of the sliding base plate 22, and is connected to the hinge shaft body 1 through a set hole opened in itself; wherein, the sliding portion 21 is vertically arranged on the side opposite to the sliding base plate 22 and the set plate 23.

[0063] Specific, combined Figure 1 and Figure 3 To further explain in detail, the sliding support frame 2 is specifically configured as a sliding base plate 22, and a set plate 23 vertically arranged on one side of the sliding base plate 22, so that the sliding support frame 2 can be correspondingly sleeved with the hinge shaft body 1 through the set hole in the set plate 23, and the sliding portion 21 is vertically arranged on the side opposite to the sliding base plate 22 and the set plate 23, so that when the sliding portion 21 slides along the matching portion 31 in the fixed support frame 3, the sliding base plate 22 and the set plate 23 can drive the hinge shaft body 1 to slide toward or away from the fixed support frame 3 as a whole.

[0064] The specific arrangement of the sliding support frame 2 has the beneficial effects of being simple in structure and being able to stably drive the hinge shaft body 1 to translate and slide toward or away from the fixed support frame 3 .

[0065] In one embodiment, a positioning hole 231 is further provided in the set plate 23 ; a concave cam group 13 is further sleeved in the hinge shaft body 1 , and the concave cam group 13 has a plug connector 131 that is plugged and positioned corresponding to the positioning hole 231 .

[0066] Specific, combined Figure 1 and Figure 3 To further explain in detail, a positioning hole 231 is correspondingly opened in the set plate 23, and a plug connector 131 matching therewith is correspondingly provided in the concave cam group 13 of the hinge shaft body 1. In this way, when the fixed support frame 3 is correspondingly set in the hinge shaft body 1 through the set plate 23, the plug connector 131 in the concave cam group 13 can be correspondingly inserted into the positioning hole 231 in the set plate 23, which can further ensure the installation stability of the fixed support frame 3 and avoid the problem of slippage and dislocation of the fixed support frame 3 along the axial direction of the hinge shaft body 1.

[0067] In one embodiment, a torque ring assembly 14 is further sleeved in the hinge shaft body 1; the torque ring assembly 14 includes a plurality of elastic rings arranged closely together; one side of the torque ring assembly 14 is limited by a nut in the hinge shaft body 1 and the other side is limited by a concave cam assembly 13.

[0068] Specific, combined Figure 3To further explain in detail, the multiple elastic rings in the torque ring assembly 14 are respectively clamped and limited by the nuts in the hinge shaft body 1 and the concave cam group 13, so that when the hinge shaft body 1 rotates, the torque ring assembly 14 can store elastic potential energy accordingly, and can release the elastic potential energy when the hinge shaft body 1 rotates in the opposite direction, so that the resetting rotation of the hinge shaft body 1 can be smoother and more labor-saving.

[0069] In one possible implementation, a limiting hole 221 is further provided in the sliding base plate 22; when the sliding support frame 2 slides to the initial station or the terminal station, the limiting hole 221 can be correspondingly plugged into the limiting protrusion in the station to be installed.

[0070] Specific, combined Figure 3 To further explain in detail, a limiting hole 221 is correspondingly opened on the sliding base plate 22, so that when the sliding support frame 2 slides to the initial position or the terminal position, the limiting hole 221 can be correspondingly plugged into the limiting protrusion in the installation position, thereby achieving the function of limiting and fixing the sliding support frame 2 and the hinge shaft body 1, ensuring the self-locking stability of the screen in the support frame 11 connected to the end of the hinge shaft body 1.

[0071] Of course, the above-mentioned limiting hole 221 can be specifically configured as a circular hole, and the limiting protrusion in the installation station can be specifically configured as a hemispherical protrusion that is elastically retractable to ensure that the two can be correspondingly slid in and plugged in to be fixed, or slid out to be unlocked.

[0072] In addition, an embodiment of the present disclosure also provides an electronic device, which includes a device body 4 and the above-mentioned sliding hinge; wherein the fixed support frame 3 is fixedly connected to the installation station in the device body 4, and the connecting support frame 11 is fixedly connected to the part to be hinged in the device body 4.

[0073] Specific, combined Figure 4 For further detailed description, the electronic device is specifically a laptop computer, and the above-mentioned sliding hinge is fixedly installed on the device body 4.

[0074] The electronic device includes the above-mentioned sliding hinge, which can achieve all the beneficial effects, and no additional explanation is given here.

[0075] In one embodiment, the device body 4 includes an opening and closing screen 41 , and the opening and closing screen 41 is fixedly mounted and connected to the connecting frame 11 .

[0076] Specific, combined Figure 4To further explain in detail, the opening and closing screen 41 is fixedly installed and connected to the connecting frame 11 in the sliding hinge, so that when the opening and closing screen 41 is flipped open and closed, the connecting frame 11 can be flipped accordingly, thereby driving the hinge shaft body 1 in the sliding hinge to rotate, and driving the sliding frame 2 to translate and slide, thereby stably realizing the function of the opening and closing screen 41 flipping open and synchronously translating away from the device body 4.

[0077] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0078] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A sliding hinge, characterized in that: include: A hinge shaft body (1) is hingedly provided with a connecting frame (11) at one end and a connecting rod mechanism (12) at the other end; A sliding support frame (2), one end of which is sleeved on the hinge shaft body (1) and the other end of which forms a sliding portion (21); A fixed support frame (3) is used for fixed connection with the station to be installed, and has a matching portion (31) corresponding to the sliding portion (21) for sliding matching; When the hinge shaft body (1) rotates, the connecting rod mechanism (12) can be rotated and folded or rotated and stretched accordingly, and correspondingly drive the sliding part (21) to slide and translate along the matching part (31) toward or away from the fixed support frame (3).

2. The sliding hinge according to claim 1, characterized in that: The sliding portion (21) is provided with a sliding hole (211) along its own sliding direction; The matching portion (31) is provided with a guide head (311) movably inserted into the sliding hole (211); When the sliding portion (21) slides along the matching portion (31), the guide head (311) slides relatively in the sliding hole (211).

3. The sliding hinge according to claim 2, characterized in that: The other end of the connecting rod mechanism (12) is provided with a hinged joint (123) which is movably inserted into the sliding hole (211) and hingedly connected to the matching portion (31); When the sliding portion (21) slides along the matching portion (31), the hinge head (123) slides relatively in the sliding hole (211).

4. The sliding hinge according to claim 3, characterized in that: The connecting rod mechanism (12) comprises: A first connecting rod arm (121), one end of which is fixedly connected to the end of the hinge shaft body (1), and the other end of which forms a connecting end; A second connecting rod arm (122), one end of which is hinged to the connecting end, and the other end of which is hinged to the matching portion (31) via the hinged joint (123); Wherein, the first connecting rod arm (121) is arranged perpendicularly to the hinge shaft body (1), and the second connecting rod arm (122) and the first connecting rod arm (121) are respectively located in two parallel spatial planes.

5. The sliding hinge according to claim 1, characterized in that: The sliding support frame (2) comprises: A sliding base plate (22) is arranged flush with the fixed support frame (3) along the same plane; A sleeve plate (23) is vertically arranged on one side of the sliding base plate (22) and is sleeve-connected to the hinge shaft body (1) through a sleeve hole provided in the sleeve plate; Wherein, the sliding portion (21) is vertically arranged on a side of the sliding base plate (22) opposite to the set plate (23).

6. The sliding hinge according to claim 5, characterized in that: The set plate (23) is also provided with a positioning hole (231); A concave cam group (13) is also sleeved in the hinge shaft body (1), and the concave cam group (13) has a plug connector (131) that is plugged and positioned correspondingly to the positioning hole (231).

7. The sliding hinge according to claim 6, characterized in that: The hinge shaft body (1) is also sleeved with a torque ring assembly (14); The torque ring assembly (14) comprises a plurality of elastic rings arranged closely together; One side of the torque ring assembly (14) is limited by the nut in the hinge shaft body (1), and the other side is limited by the concave cam assembly (13).

8. The sliding hinge according to claim 5, characterized in that: The sliding substrate (22) is also provided with a limiting hole (221); When the sliding support frame (2) slides to the initial position or the terminal position, the limiting hole (221) can be plugged into the limiting protrusion in the installation position.

9. An electronic device, characterized in that: It comprises a device body (4) and a sliding hinge as claimed in any one of claims 1 to 8; The fixed support frame (3) is fixedly connected to the station to be installed in the equipment body (4), and the connecting support frame (11) is fixedly connected to the part to be hinged in the equipment body (4).

10. The electronic device according to claim 9, characterized in that: The equipment body (4) comprises an opening and closing screen (41), and the opening and closing screen (41) is fixedly mounted and connected to the connecting support frame (11).

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