CN211423155U

CN211423155U - Friction rotating shaft mechanism of electronic product

Info

Publication number: CN211423155U
Application number: CN201922472067.6U
Authority: CN
Inventors: 梁胜敏
Original assignee: Guangzhou Weiling Technology Co ltd
Current assignee: Shaanxi Hongxing Electronic Components Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-04
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a friction pivot mechanism of electronic product relates to electronic product subassembly field, including the pivot main part, the both ends of pivot main part all are connected with the bearing, and the bearing keeps away from the one end of pivot main part and is connected with first installation piece, the one end that the bearing was kept away from to first installation piece is connected with the connecting block, and one side of connecting block is connected with the hand wheel, the one end of hand wheel has the lead screw through axis of rotation connection, and the outside of lead screw is provided with the slider, one side of slider is connected with the push rod, and the one end that the slider was kept away from to the push rod is connected with. The utility model discloses a first spring, hand wheel, lead screw, slider and the push rod that sets up, the application rotates the hand wheel, and the hand wheel drives the lead screw and rotates, and the lead screw drives the slider and removes on the lead screw, and the slider extrudees and stretches first spring through the push rod for the friction torque of friction pivot is adjustable, simple structure, and the application hand wheel person of facilitating the use is accurate adjusts friction torque.

Description

Friction rotating shaft mechanism of electronic product

Technical Field

The utility model relates to an electronic product subassembly field specifically is a friction pivot mechanism of electronic product.

Background

The shaft that the zero main part of interlinkage product must use, be used for not only bearing bending moment in the rotation work but also bearing the moment of torsion is called the pivot, and common pivot has: a mobile phone rotating shaft; a notebook computer rotating shaft; a portable DVD spindle; a rotating shaft of the LED desk lamp; LCD display screen rotating shaft; with the increasingly thinner portable electronic product terminals such as mobile phones, notebook computers, game machines and the like, the requirements for applying the connecting structure therein are more strict, for example, a hinge of the rotating shaft is required to be thinner, and various mechanical indexes still meet the normal use requirements.

For the friction rotating shaft, once the shaft is reduced to be very fine, the friction torque of the friction rotating shaft is difficult to reach the standard and is difficult to adjust and control, the existing friction rotating shaft for the electronic product is inconvenient to operate and inaccurate to adjust in the adjustment of the friction torque, and is inconvenient to install and disassemble when being installed with the electronic product, so that the labor capacity of workers is increased.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the friction torque of the friction rotating shaft is inconvenient to adjust and the electronic product is inconvenient to disassemble and assemble in the prior art, the friction rotating shaft mechanism of the electronic product is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic product's friction pivot mechanism, includes the pivot main part, the both ends of pivot main part all are connected with the bearing, and the bearing keeps away from the one end of pivot main part and is connected with first installation piece, the one end that the bearing was kept away from to first installation piece is connected with the connecting block, and one side of connecting block is connected with the hand wheel, the one end of hand wheel has the lead screw through axis of rotation connection, and the outside of lead screw is provided with the slider, one side of slider is connected with the push rod, and the one end that the slider was kept away from to the push rod is connected with first spring, the top of pivot main part is connected with second installation piece, and the fixed slot has been seted up to the inside of second installation piece, the electro-magnet is installed to the inside one side of fixed.

Preferably, the first spring is connected with the outer side of the rotating shaft main body in a sleeved mode, and the rotating shaft main body is connected with the first mounting block through a bearing.

Preferably, the inside of slider is provided with the gag lever post, and the gag lever post is kept away from the one end and the first installation piece welded connection of slider.

Preferably, one end of the second spring, which is far away from the pressing plate, is welded with the fixing groove, and the pressing plate is made of a metal iron material.

Preferably, the inside of slider is seted up with lead screw assorted screw hole, and the lead screw passes through the pivot and is connected with the connecting block.

Preferably, the number of the first springs and the handwheels is two, and the two groups of the first springs and the handwheels are symmetrically arranged about the transverse central axis of the rotating shaft main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model utilizes the rotating hand wheel through the arranged first spring, the hand wheel, the lead screw, the slider and the push rod, the hand wheel drives the lead screw to rotate, the lead screw drives the slider to move on the lead screw, the slider extrudes and stretches the first spring through the push rod, so that the friction torque of the friction rotating shaft can be adjusted, the structure is simple, and the hand wheel is used for facilitating a user to accurately adjust the friction torque;

2. through the second installation piece, fixed slot, second spring, stripper plate and the electro-magnet that set up, the electro-magnet circular telegram in the application fixed slot attracts each other with second spring coupling's stripper plate for the electronic product is fixed in the fixed slot, and the staff of being convenient for is to the dismantlement installation of electronic product, makes the time of staff's installation dismantlement subtract the weak point, thereby has improved staff's work efficiency.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the second mounting block of the present invention;

fig. 3 is a cross-sectional view of a second mounting block of the present invention;

fig. 4 is an enlarged view of a part of the structure of the utility model a.

In the figure: 1. a rotating shaft main body; 2. a bearing; 3. a first mounting block; 4. a hand wheel; 5. connecting blocks; 6. a screw rod; 7. a slider; 8. a push rod; 9. a limiting rod; 10. a first spring; 11. a second mounting block; 12. fixing grooves; 13. a second spring; 14. a pressing plate; 15. an electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a friction rotation shaft mechanism of an electronic product includes a rotation shaft main body 1, two ends of the rotation shaft main body 1 are connected with bearings 2, and one end of the bearing 2 far away from the rotating shaft main body 1 is connected with a first mounting block 3, one end of the first mounting block 3 far away from the bearing 2 is connected with a connecting block 5, and one side of the connecting block 5 is connected with a hand wheel 4, one end of the hand wheel 4 is connected with a screw rod 6 through a rotating shaft, a slide block 7 is arranged on the outer side of the screw rod 6, a push rod 8 is connected on one side of the slide block 7, a first spring 10 is connected on one end of the push rod 8 far away from the slide block 7, a second mounting block 11 is connected on the top of the rotating shaft main body 1, and the inside of the second mounting block 11 is provided with a fixing groove 12, one side of the inside of the fixing groove 12 is provided with an electromagnet 15, and a second spring 13 is connected to one side of the inside of the fixed groove 12, which is far away from the electromagnet 15, and a pressing plate 14 is connected to one side of the second spring 13.

The friction torque of the friction rotating shaft can be adjusted through the first spring 10, the hand wheel 4, the lead screw 6, the sliding block 7 and the push rod 8, the device is simple in structure, and a user can conveniently and accurately adjust the friction torque by using the hand wheel 4; through the second installation block 11, the fixed slot 12, the second spring 13, the extrusion plate 14 and the electromagnet 15 that set up, the staff of being convenient for is to the dismantlement installation of electronic product for the time of staff's installation dismantlement reduces, thereby has improved staff's work efficiency.

Please refer to fig. 1, the first spring 10 is connected to the outer side of the main body 1, and the main body 1 is connected to the first mounting block 3 through the bearing 2, and the deformation of the first spring 10 makes the friction torque of the main body 1 adjustable.

Please refer to fig. 4, a limiting rod 9 is disposed inside the sliding block 7, one end of the limiting rod 9 far away from the sliding block 7 is connected to the first mounting block 3 by welding, and a through hole with a smooth inner wall is disposed inside the sliding block 7 and matched with the limiting rod 9.

Please refer to fig. 3, one end of the second spring 13 away from the pressing plate 14 is welded to the fixing groove 12, the pressing plate 14 is made of a metallic iron material, and the pressing plate 14 made of the metallic iron material and the electromagnet 15 are electrically attracted to each other.

Please refer to fig. 4, a threaded hole matching with the screw rod 6 is formed inside the slider 7, the screw rod 6 is connected with the connecting block 5 through a rotating shaft, a transmission shaft for driving the screw rod 6 to rotate is arranged in the connecting block 5, and one end of the transmission shaft is connected with the hand wheel 4.

Please refer to fig. 1, the number of the first springs 10 and the handwheel 4 is two, and the two sets of the first springs 10 and the handwheel 4 are symmetrically arranged about the horizontal central axis of the rotating shaft body 1, so that the handwheel 4 is convenient for the worker to adjust the friction torque.

The working principle is as follows: when the device is used, the device is connected with an external power supply, the device obtains electric energy, the device can normally run, when the friction torque of the rotating shaft main body 1 needs to be adjusted, the hand wheel 4 is rotated, the hand wheel 4 drives the screw rod 6 to rotate through the transmission shaft in the connecting block 5, the screw rod 6 drives the sliding block 7 to move on the screw rod 6, the sliding block 7 extrudes and stretches the first spring 10 through the push rod 8, the friction torque of the friction rotating shaft can be adjusted, when the sliding block 7 slides on the screw rod 6, the limiting rod 9 in the sliding block 7 prevents the sliding block 7 from rotating on the screw rod 6, when an electronic product needs to be installed with the rotating shaft main body 1, the rotating block of the electronic product is placed in the fixing groove 12 in the second installing block 11, the electromagnet 15 in the fixing groove 12 is electrified, the electromagnet 15 is electrified, the extrusion plate 14 connected with the second spring 13 is mutually attracted, so that the electronic product is fixed in, when the electronic product and the rotating shaft main body 1 need to be detached, the electromagnet 15 is powered off, so that the second spring 13 is deformed again, the extrusion plate 14 is driven to move, and the electronic product and the rotating shaft main body 1 can be detached and installed conveniently by workers.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a friction pivot mechanism of electronic product, includes pivot main part (1), its characterized in that: the novel rotary shaft is characterized in that two ends of the rotary shaft main body (1) are connected with bearings (2), one end, far away from the rotary shaft main body (1), of each bearing (2) is connected with a first installation block (3), one end, far away from the bearings (2), of each first installation block (3) is connected with a connecting block (5), one side of each connecting block (5) is connected with a hand wheel (4), one end of each hand wheel (4) is connected with a lead screw (6) through a rotating shaft, a sliding block (7) is arranged on the outer side of each lead screw (6), one side of each sliding block (7) is connected with a push rod (8), one end, far away from the corresponding sliding block (7), of each push rod (8) is connected with a first spring (10), the top of the rotary shaft main body (1) is connected with a second installation block (11), a fixing groove (12) is, and one side of the inside of the fixed groove (12), which is far away from the electromagnet (15), is connected with a second spring (13), and one side of the second spring (13) is connected with a squeezing plate (14).

2. The friction hinge mechanism of an electronic product as claimed in claim 1, wherein: the first spring (10) is connected with the outer side of the rotating shaft main body (1) in a sleeved mode, and the rotating shaft main body (1) is connected with the first mounting block (3) through the bearing (2).

3. The friction hinge mechanism of an electronic product as claimed in claim 1, wherein: the inside of slider (7) is provided with gag lever post (9), and gag lever post (9) keep away from the one end and the first installation piece (3) welded connection of slider (7).

4. The friction hinge mechanism of an electronic product as claimed in claim 1, wherein: one end, far away from the extrusion plate (14), of the second spring (13) is connected with the fixing groove (12) in a welding mode, and the extrusion plate (14) is made of a metal iron material.

5. The friction hinge mechanism of an electronic product as claimed in claim 1, wherein: the inside of the sliding block (7) is provided with a threaded hole matched with the screw rod (6), and the screw rod (6) is connected with the connecting block (5) through a rotating shaft.

6. The friction hinge mechanism of an electronic product as claimed in claim 1, wherein: the number of the first springs (10) and the number of the hand wheels (4) are two, and the first springs (10) and the hand wheels (4) are symmetrically arranged around the transverse central axis of the rotating shaft main body (1).