Precise rotating shaft of ultrathin folding electronic product

Abstract

The utility model relates to the technical field of rotating shafts, and discloses an ultrathin folding electronic product precision rotating shaft which comprises a rotating shaft body, a lower protective shell is installed at the surface bottom of the rotating shaft body, an upper protective shell is installed at the top of the rotating shaft body, and clamping block assemblies are arranged on the surfaces of the two sides of the lower protective shell. And fixing assemblies are arranged on the surfaces of the two sides of the upper protective shell correspondingly, and each fixing assembly comprises a fixing block, a clamping groove, a groove, a second spring, a clamping block, a limiting block, a sliding rod and a push handle. According to the precise rotating shaft of the ultrathin folding electronic product, through the clamping block assembly and the fixing assembly, the protective shell can be installed on the surface of the rotating shaft in a clamping mode, a clamping plate is inserted into a clamping groove in a fixing block, so that the clamping plate and the clamping block are clamped, and the lower protective shell and the upper protective shell are installed; the lower protective shell and the upper protective shell are sealed through a sealing ring, a closed space is formed inside, and dust is prevented from entering.

Description

Technical Field

[0001] The utility model relates to the technical field of rotating shafts, in particular to a precision rotating shaft for an ultra-thin folding electronic product. Background Art

[0002] A hinge, as the name suggests, is an axis that connects the main parts of a product. An axis that must be used to connect the main parts of a product and is used to withstand both bending moment and torque during rotation is called a hinge. Common hinges include: mobile phone hinges (clamshell or rotating screen mobile phones); laptop hinges; portable DVD hinges; LED desk lamp hinges; LCD display hinges, etc. Hinge are used when electronic products are opened, closed, and folded.

[0003] According to the application number 201922472067.6, a friction shaft mechanism of an electronic product is disclosed, including a shaft body, bearings are connected to both ends of the shaft body, and the end of the bearing away from the shaft body is connected to a first mounting block, the end of the first mounting block away from the bearing is connected to a connecting block, and one side of the connecting block is connected to a handwheel, one end of the handwheel is connected to a screw through a rotating shaft, and a slider is provided on the outside of the screw, one side of the slider is connected to a push rod, and the end of the push rod away from the slider is connected to a first spring. The utility model is provided with a first spring, a handwheel, a screw, a slider and a push rod, and by rotating the handwheel, the handwheel drives the screw to rotate, the screw drives the slider to move on the screw, and the slider squeezes and stretches the first spring through the push rod, so that the friction torque of the friction shaft can be adjusted, the structure is simple, and the handwheel is convenient for the user to accurately adjust the friction torque.

[0004] The following problems still exist in actual use:

[0005] The hinges of electronic products currently on the market are all able to rotate and open and close, but the protection of the hinges themselves is not fully considered. Dust is easily accumulated on the surface of the hinges, and foreign objects are easily stuck in them, causing the hinges to be unable to be used normally. At the same time, the hinges are easily bumped when exposed to the outside world, causing damage to the hinges. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a precision hinge for an ultra-thin foldable electronic product, which has the advantage of being able to install a protective shell on the surface of the hinge by snapping, so that a closed space is formed inside the protective shell, preventing dust from entering and causing the hinge itself to be dusty and difficult to rotate. At the same time, it is convenient for personnel to install and disassemble the protective shell, thereby solving the problems raised in the background technology.

[0007] The utility model provides the following technical solution: a precision rotating shaft for an ultra-thin foldable electronic product, comprising a rotating shaft body, a lower protective shell is installed at the bottom of the rotating shaft body, an upper protective shell is installed at the top of the rotating shaft body, both side surfaces of the lower protective shell are provided with a clamping block assembly, and both side surfaces of the upper protective shell are provided with a fixing assembly;

[0008] The fixing assembly includes a fixing block, a clamping groove, a groove, a second spring, a clamping block, a limit block, a sliding rod, and a pushing handle. The fixing blocks are arranged on both sides of the upper protective shell, a clamping groove is provided inside the fixing block, a groove is provided on an inner wall on one side of the clamping groove, a second spring is provided on an inner wall on the other side of the clamping groove, a clamping block is provided at one end of the second spring, a limit block is provided on one side of the clamping block, a sliding rod is provided on the other side of the clamping block, and one end of the sliding rod passes through one side of the fixing block and is provided with a pushing handle.

[0009] Preferably, the clamping block assembly includes a clamping plate, a limiting groove, a first spring, and a protrusion. The clamping plates are fixedly connected on both sides of the upper surface of the lower protective shell. A limiting groove is provided inside the clamping plate. Both ends of the groove wall on one side of the limiting groove are fixedly connected with the first spring, and one end of the first spring is fixedly connected with a protrusion.

[0010] Preferably, the fixed block is fixedly connected to both side surfaces of the upper protective shell, the second spring is fixedly connected to one inner wall of the clamping groove, the clamping block is fixedly connected to one end of the second spring, the limit block is fixedly connected to one side surface of the clamping block, the sliding rod is fixedly connected to the other side surface of the clamping block, and the push handle is fixedly connected to one end of the sliding rod.

[0011] Preferably, one side of the protrusion is arc-shaped and matches the shape of the groove.

[0012] Preferably, the inner walls of the lower protective shell and the upper protective shell are fixedly connected with a plurality of connecting rods, one end of the connecting rod is fixedly connected with a connecting sleeve, and the connecting sleeve is sleeved on the surface of the rotating shaft body and is rotatably connected with the rotating shaft body.

[0013] Preferably, a sealing ring is installed between the lower protective shell and the upper protective shell, and the lower protective shell and the upper protective shell are sealed by the sealing ring.

[0014] Preferably, circular plates are provided at both ends of the rotating shaft body, a fixing plate is fixedly connected to one side of the circular plate, and connecting plates are fixedly connected to both ends of the bottom surface of the lower protective shell.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The ultra-thin foldable electronic product precision shaft can install the protective shell on the shaft surface by means of a clamping block assembly and a fixing assembly. The lower protective shell and the upper protective shell are installed by inserting the clamping plate into the clamping groove in the fixing block so that the clamping plate and the clamping block are clamped. The lower protective shell and the upper protective shell are sealed by a sealing ring to form a closed space inside to prevent dust from entering and avoid the shaft itself from being dusty and difficult to rotate. Otherwise, the lower protective shell and the upper protective shell can be disassembled. The operation is simple and easy to understand.

[0017] 2. The precision shaft of the ultra-thin folding electronic product, after the lower protective shell and the upper protective shell are installed, the upper and lower connecting sleeves are sleeved on the surface of the shaft body, and the multi-connecting rods are used to improve the stability of the parts on the shaft when the shaft body rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the disassembled structure of a device for a precision rotating shaft of an ultra-thin foldable electronic product provided by the utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of a device for a precision rotating shaft of an ultra-thin foldable electronic product provided by the utility model;

[0020] Figure 3 A schematic diagram of the cross-sectional structure of a precision rotating shaft of an ultra-thin foldable electronic product provided by the utility model;

[0021] Figure 4 The utility model provides a precision rotating shaft for ultra-thin foldable electronic products Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 The utility model provides a schematic structural diagram of a clamping block assembly and a fixing assembly of a precision rotating shaft of an ultra-thin folding electronic product.

[0023] In the figure: 1. shaft body; 2. round plate; 3. fixing plate; 4. lower protective shell; 5. upper protective shell; 6. sealing ring; 7. clamping block assembly; 701. clamping plate; 702. limiting groove; 703. first spring; 704. protrusion; 8. fixing assembly; 801. fixing block; 802. clamping groove; 803. groove; 804. second spring; 805. clamping block; 806. limiting block; 807. sliding rod; 808. push handle; 9. connecting rod; 10. connecting sleeve; 11. connecting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 5 A precision shaft for ultra-thin foldable electronic products, comprising a shaft body 1, a lower protective shell 4 is installed at the bottom of the shaft body 1, an upper protective shell 5 is installed at the top of the shaft body 1, both sides of the lower protective shell 4 are provided with a clamping block assembly 7, both sides of the upper protective shell 5 are provided with a fixing assembly 8, the fixing assembly 8 includes a fixing block 801, a clamping groove 802, a groove 803, a second spring 804, a clamping block 805, a limit block 806, a slide bar 807, a push handle 808, and a fixing block 801. The fixed block 801 is arranged on both sides of the upper protective shell 5, and a clamping groove 802 is provided inside the fixed block 801, and a groove 803 is provided on the inner wall of one side of the clamping groove 802, and a second spring 804 is provided on the inner wall of the other side of the clamping groove 802, and a clamping block 805 is provided at one end of the second spring 804, and a limit block 806 is provided on one side of the clamping block 805, and a slide bar 807 is provided on the other side of the clamping block 805, and one end of the slide bar 807 passes through one side of the fixed block 801 and is provided with a push handle 808;

[0026] Through the clamping block assembly 7 and the fixing assembly 8, the protective shell can be installed on the surface of the shaft by clamping. By inserting the clamping plate 701 into the clamping groove 802 in the fixing block 801, the clamping plate 701 and the clamping block 805 are clamped together, and the lower protective shell 4 and the upper protective shell 5 are installed. The lower protective shell 4 and the upper protective shell 5 are sealed by the sealing ring 6 to form a closed space inside to prevent dust from entering, so as to avoid the shaft body 1 from accumulating dust and being difficult to rotate.

[0027] See also Figures 1 to 5 The fixed block 801 is fixedly connected to the two side surfaces of the upper protective shell 5, the second spring 804 is fixedly connected to the inner wall of one side of the clamping groove 802, the clamping block 805 is fixedly connected to one end of the second spring 804, the limit block 806 is fixedly connected to one side surface of the clamping block 805, the slide bar 807 is fixedly connected to the other side surface of the clamping block 805, and the push handle 808 is fixedly connected to one end of the slide bar 807;

[0028] When the clamping plate 701 is clamped with the clamping block 805 , the clamping block 805 drives the limiting block 806 to enter the limiting groove 702 and fit with one side of the second spring 804 to limit the protrusion 704 , making the clamping between the clamping plate 701 and the clamping block 805 more stable.

[0029] See also Figures 1 to 5 , the clamping block assembly 7 includes a clamping plate 701, a limiting groove 702, a first spring 703, and a protrusion 704. The clamping plates 701 are fixedly connected to both sides of the upper surface of the lower protective shell 4. The limiting groove 702 is provided inside the clamping plate 701. The first spring 703 is fixedly connected to both ends of the groove wall of one side of the limiting groove 702. One end of the first spring 703 is fixedly connected to the protrusion 704. The protrusion 704 is arc-shaped on one side and matches the model of the groove 803.

[0030] When the card plate 701 is inserted, the inner wall of the fixed block 801 squeezes the protrusion 704. Since one side of the protrusion 704 is arc-shaped, it is forced to retract into the limiting groove 702 and the first spring 703 is compressed. Then, after the card plate 701 is fully inserted, the protrusion 704 is flush with the groove 803, and the first spring 703 is reset to drive the protrusion 704 into the interior of the groove 803.

[0031] See also Figures 1 to 3 , the inner walls of the lower protective shell 4 and the upper protective shell 5 are fixedly connected with a plurality of connecting rods 9, one end of the connecting rod 9 is fixedly connected with a connecting sleeve 10, the connecting sleeve 10 is sleeved on the surface of the shaft body 1 and is rotatably connected with the shaft body 1, a sealing ring 6 is installed between the lower protective shell 4 and the upper protective shell 5, the lower protective shell 4 and the upper protective shell 5 are sealed by the sealing ring 6, both ends of the shaft body 1 are provided with a circular plate 2, one side of the circular plate 2 is fixedly connected with a fixing plate 3, and both ends of the bottom surface of the lower protective shell 4 are fixedly connected with connecting plates 11;

[0032] The lower protective shell 4 and the upper protective shell 5 are sealed by a sealing ring 6 to form a closed space inside the protective shell to prevent dust from entering through the gap between the lower protective shell 4 and the upper protective shell 5.

[0033] In the utility model, the working principle of the device is as follows:

[0034] When in use, the lower protective shell 4 and the upper protective shell 5 are installed on the surface of the rotating shaft body 1. During installation, the personnel push the two push handles 808 outward to drive the slide bar 807 to move, and at the same time drive the card block 805 to move, so that the card block 805 is retracted into the inside of the card slot 802, and the second spring 804 is compressed by force, and then the card plate 701 is inserted into the card slot 802 in the fixed block 801, and the protrusion 704 enters the inside of the groove 803, and then the push handle 808 is released, and the second spring 804 is reset due to the force, driving the card block 805 to move horizontally, so that the card block 805 fits with the card plate 701, and the card is clamped. At the same time, the limit block 806 enters the limit groove 702 and fits with one side of the second spring 804 to limit the protrusion 704, so that the clamping connection between the clamping plate 701 and the clamping block 805 is more stable, and the lower protective shell 4 and the upper protective shell 5 are fixed. The lower protective shell 4 and the upper protective shell 5 are sealed by the sealing ring 6 to form a closed space inside the protective shell to prevent dust from entering and avoid dust accumulation on the shaft body 1 and difficulty in rotation. After the lower protective shell 4 and the upper protective shell 5 are installed, the upper and lower connecting sleeves 10 are sleeved on the surface of the shaft body 1, and cooperate with the multi-connecting rod 9 to improve the stability of the parts on the shaft when the shaft body 1 rotates.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision rotating shaft for an ultra-thin foldable electronic product, comprising a rotating shaft body (1), characterized in that: A lower protective shell (4) is installed at the bottom of the rotating shaft body (1), an upper protective shell (5) is installed at the top of the rotating shaft body (1), both side surfaces of the lower protective shell (4) are provided with clamping block components (7), and both side surfaces of the upper protective shell (5) are provided with fixing components (8); The fixing assembly (8) comprises a fixing block (801), a clamping groove (802), a groove (803), a second spring (804), a clamping block (805), a limiting block (806), a sliding rod (807), and a pushing handle (808). The fixing block (801) is arranged on both sides of the upper protective shell (5). A clamping groove (802) is provided inside the fixing block (801). A groove (803) is provided on an inner wall of one side of the clamping groove (802). A second spring (804) is provided on an inner wall of the other side of the clamping groove (802). A clamping block (805) is provided at one end of the second spring (804). A limiting block (806) is provided on one side of the clamping block (805). A sliding rod (807) is provided on the other side of the clamping block (805). One end of the sliding rod (807) passes through one side of the fixing block (801) and is provided with a pushing handle (808).

2. The ultra-thin foldable electronic product precision shaft according to claim 1, characterized in that: The clamping block assembly (7) comprises a clamping plate (701), a limiting groove (702), a first spring (703), and a protrusion (704); the clamping plates (701) are fixedly connected to both sides of the upper surface of the lower protective shell (4); a limiting groove (702) is provided inside the clamping plate (701); both ends of a groove wall on one side of the limiting groove (702) are fixedly connected to the first spring (703); and one end of the first spring (703) is fixedly connected to the protrusion (704).

3. The ultra-thin foldable electronic product precision shaft according to claim 1, characterized in that: The fixing block (801) is fixedly connected to the two side surfaces of the upper protective shell (5), the second spring (804) is fixedly connected to the inner wall of one side of the clamping groove (802), the clamping block (805) is fixedly connected to one end of the second spring (804), the limiting block (806) is fixedly connected to one side surface of the clamping block (805), the sliding rod (807) is fixedly connected to the other side surface of the clamping block (805), and the pushing handle (808) is fixedly connected to one end of the sliding rod (807).

4. The ultra-thin foldable electronic product precision shaft according to claim 2, characterized in that: The protrusion (704) is arc-shaped on one side and matches the model of the groove (803).

5. The ultra-thin foldable electronic product precision shaft according to claim 1, characterized in that: The inner walls of the lower protective shell (4) and the upper protective shell (5) are fixedly connected to a plurality of connecting rods (9), one end of the connecting rod (9) is fixedly connected to a connecting sleeve (10), and the connecting sleeve (10) is sleeved on the surface of the rotating shaft body (1) and is rotatably connected to the rotating shaft body (1).

6. The ultra-thin foldable electronic product precision shaft according to claim 1, characterized in that: A sealing ring (6) is installed between the lower protective shell (4) and the upper protective shell (5), and the lower protective shell (4) and the upper protective shell (5) are sealed by the sealing ring (6).

7. The ultra-thin foldable electronic product precision shaft according to claim 1, characterized in that: Circular plates (2) are provided at both ends of the rotating shaft body (1), a fixing plate (3) is fixedly connected to one side of the circular plate (2), and connecting plates (11) are fixedly connected to both ends of the bottom surface of the lower protective shell (4).

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