CN217582852U

CN217582852U - Folding module of outward folding hinge

Info

Publication number: CN217582852U
Application number: CN202220123027.XU
Authority: CN
Inventors: 王瑜; 王茜; 邓敏; 赵永泰; 李康星; 刘强; 赵苗苗; 苏轩
Original assignee: Chengdu Tuomi Electronic Equipment Manufacturing Co ltd
Current assignee: Chengdu Tuomi Electronic Equipment Manufacturing Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-10-14
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a folding module of hinge rolls over outward, including unable adjustment base, left turn board, right turn board and movable base, both ends all are equipped with left initiative cam and connect around the left turn board, and both ends all are equipped with right initiative cam and connect around the right turn board, and left initiative cam and right initiative cam all cooperate with the driven cam on the movable base, are equipped with the elastic component between movable base and the unable adjustment base. The utility model has the advantages that: the cam groups are respectively arranged at the two ends of the rotating plate, so that the whole structure is symmetrical up and down and left and right, and the problem of poor balance is solved; the cam groups which are symmetrical in the front and the back can double the translation amount of the original cam, so that larger torsion is obtained.

Description

Folding module of external folding hinge

Technical Field

The utility model relates to a folding module technical field of electronic equipment specifically is a folding module of outer hinge.

Background

With the gradual development of flexible screens, foldable electronic devices have come into operation. The foldable electronic device generally includes a foldable module, a screen support, and a flexible screen, the flexible screen is covered on the screen support, the foldable module provides damping for the screen support assembly through damping generated by rotation, and torsion and synchronous motion achieve that the damping member and the screen support are folded together or unfolded together.

The folding module is fixed on the screen support member, and the existing folding module is shown in fig. 1 and fig. 2 and comprises a rotating shaft, a spring, a driving cam, a driven cam, a connecting plate and a clamping spring. The spring, the driving cam and the driven cam are arranged on the rotating shaft, a first driving surface is arranged on the side surface of the driving cam and matched with a second driving surface on the side wall surface of the driven cam, and when the rotating shaft drives the driving cam to rotate, the driven cam is pushed to perform translational motion. The spring is propped against the driven cam, the first driving surface and the second driving surface are correspondingly provided with a protrusion and a recess, and when the protrusion slides relative to the recess in rotation, damping and torsion force are provided, so that the automatic unfolding and folding of the screen supporting piece are realized.

However, the driving cam pushes the driven cam to translate and compress the spring, and the smaller the size of the cam, the greater the translational movement is difficult to achieve, and the smaller the compression amount of the spring, the larger the torque cannot be provided. Moreover, the connecting plate and the spring are respectively arranged on two sides of the rotating shaft, and during rotation, the torsion only exists on one side of the connecting plate, so that the balance of the whole module is poor, and the requirement on the strength of the rotating shaft is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a folding module of hinge rolls over outward has solved the current problem that folding module moment of torsion is little, the equilibrium is poor.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a folding module of hinge rolls over outward, includes unable adjustment base, the board of turning left, the board of turning right and mobile base, both ends all are equipped with left initiative cam and connect around the board of turning left, and both ends all are equipped with right initiative cam and connect around the board of turning right, and left initiative cam and right initiative cam all cooperate with the driven cam on the mobile base, are equipped with the elastic component between mobile base and the unable adjustment base. Through the form of front and back symmetrical arrangement, optimize the balanced and increase the deflection of spring of atress, guarantee that whole is more stable, reliable.

Furthermore, the left rotating plate is fixedly arranged on the rotating shaft on the left side, and the right rotating plate is fixedly arranged on the rotating shaft on the right side. The left rotating plate and the rotating shaft are synchronously welded and fixed, and the rotating motion is realized through the rotating shaft.

Furthermore, the movable base is sleeved on the rotating shafts on the left side and the right side, and the fixed bases at the front end and the rear end are connected with the rotating shafts on the left side and the right side. The movable base is sleeved to realize axial movement, and the fixed base is connected with the rotating shaft to form a fixed main body frame.

Furthermore, the fixed base is axially clamped and connected to the rotating shaft through an E-shaped clamp spring. When realizing axial spacing, the pivot can freely rotate.

Furthermore, the fixed base is provided with a base screw hole, so that the fixed base is fixedly connected.

Furthermore, a left connecting column is arranged on the left rotating plate, and a right connecting column is arranged on the right rotating plate. Realize being connected with the LINK board through left and right spliced pole.

Furthermore, a left tooth part is arranged on the left rotating plate, a right tooth part is arranged on the right rotating plate, and the left tooth part is meshed with the right tooth part. Synchronous movement between the left rotating plate and the right rotating plate is realized through the gear.

Furthermore, the left rotating plate is provided with a left limiting part located at the end of the left tooth part, the right rotating plate is provided with a right limiting part located at the end of the right tooth part, and the left limiting part and the right limiting part are matched relatively. The limiting part avoids excessive overturning.

Furthermore, the elastic part is a spring sleeved on the rotating shafts on the left side and the right side.

The utility model has the advantages that:

1. the cam groups are respectively arranged at two ends of the rotating plate, so that the whole structure is symmetrical up and down and left and right, and the problem of poor balance is solved.

2. The front cam group and the rear cam group which are symmetrical can double the translation amount of the original cam, so that larger torsion is obtained.

The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; in addition, the utility model can be freely combined between the (non-conflict selection) selections and other selections. The skilled person in the art can understand that there are many combinations according to the prior art and the common general knowledge after understanding the solution of the present invention, which are all the technical solutions to be protected by the present invention, and the solution is not exhaustive here.

Drawings

Fig. 1 is a top view of a conventional folding die structure.

Fig. 2 is an exploded view of a prior art mold structure.

Fig. 3 is a structural axial view of the present invention.

Fig. 4 is an exploded view of the structure of the present invention.

Fig. 5 is a top view of the present invention.

Fig. 6 is a sectional view taken along line B-B of fig. 5.

Fig. 7 is an enlarged view at C of fig. 6.

Fig. 8 is a schematic view of the present invention.

In the figure: 101-E type clamp spring, 201-fixed base, 202-base screw hole, 301-left connecting column, 302-left rotating plate, 303-left tooth part, 304-left driving cam, 305-left limiting part, 401-right connecting column, 402-right rotating plate, 403-right tooth part, 404-right driving cam, 405-right limiting part, 501-movable base, 502-driven cam, 601-rotating shaft and 701-spring.

Detailed Description

The invention will be further described with reference to the following specific embodiments and the accompanying drawings.

Referring to fig. 3 to 8, an outward folding hinge folding module includes a left rotating plate 302, a right rotating plate 402, a left driving cam 304, a right driving cam 404, a movable base 501, a driven cam 502, an elastic member, a fixed base 201, and rotating shafts 601 on left and right sides.

The front end and the rear end of the rotating shaft 601 at the left side and the right side are both connected with a fixed base 201, the fixed base 201 is axially clamped and connected on the rotating shaft 601 through an E-shaped clamp spring 101, and the rotating shaft 601 and the fixed base 201 form a main body frame of the hinge.

The E-clamp 101 pre-loads the spring 701 so that an initial torsion exists in the entire structure. Be equipped with base screw 202 on unable adjustment base 201, wear to establish through the screw and realize unable adjustment base 201 fixed on the LINK spare.

The left rotating plate 302 is fixedly welded on the rotating shaft 601 at the left side, and the right rotating plate 402 is fixedly welded on the rotating shaft 601 at the right side, so that the left rotating plate 302 and the right rotating plate 402 can respectively rotate synchronously with the rotating shaft 601.

The left rotating plate 302 is integrally connected with a left connecting column 301 which is symmetrical front and back, and the right rotating plate 402 is integrally connected with a right connecting column 401 which is symmetrical front and back. Folding module is installed and is used at screen supporting component, and left spliced pole 301, right spliced pole 401 respectively with screen supporting component's left LINK spout, right LINK spout cooperation, the spliced pole slides in the spout when folding, drive screen supporting component's LINK key rotation realization is folding.

The left rotating plate 302 is integrally connected with a left tooth part 303, the right rotating plate 402 is integrally connected with a right tooth part 403, and the left tooth part 303 is meshed with the right tooth part 403 to ensure the synchronous motion of the left rotating plate 302 and the right rotating plate 402.

Be equipped with the spacing portion 305 in a left side that is located left tooth portion 303 end department on the board 302 that turns to the left, be equipped with the spacing portion 405 in a right side that is located right tooth portion 403 end department on the board 402 that turns to the right, spacing portion 305 in a left side and the relative cooperation of spacing portion 405 in a right side for board 302 that turns to the left and the board 402 that turns to the right can not continue to rotate because the top of controlling spacing portion is tight when the exhibition is flat, and terminal tooth is mutually supported and is prevented the overbending when the exhibition is flat.

The left turn plate 302 is integrally connected to the left drive cam 304, and the right turn plate 402 is integrally connected to the right drive cam 404. The movable base 501 is integrally connected to the driven cam 502.

The left driving cam 304 and the right driving cam 404 are both meshed with the driven cam 502, so that the rotary motion of the rotating plate is converted into the axial motion of the movable base, and the motion conversion is realized. The symmetrical distribution of the left side and the right side is beneficial to obtaining larger stroke and integral balance.

When the driving cam rotates, the driven cam 502 at two sides is pressed by the contact surface of the inclined tooth pressing part to move backwards, and the spring 701 is compressed by the fixing base 201 and the E-shaped clamp spring 101 at the rear end, so that the torque force is increased. After the driven cam rotates to a certain angle, the driven cam is in contact with the platform part of the driving cam, the spring is not compressed, the torsion force is unchanged, hovering is realized, and at the moment, the driven cam is blocked by the inclined tooth blocking part of the driving cam.

The movable base 501 is sleeved on the rotating shafts 601 on the left side and the right side, the fixed base 201 is connected with the rotating shafts 601 on the left side and the right side, an elastic part is arranged between the movable base 501 and the fixed base 201, the elastic part is a spring 701 sleeved on the rotating shafts 601 on the left side and the right side, the spring 701 provides damping for axial movement of the movable base, and the rotating plate is changed into torque through the converting part, so that the torque needs to be overcome when the rotating plate rotates.

The left driving cam 304, the right driving cam 404, the driven cam 502, the movable base 501, the spring 701 and the fixed base 201 are symmetrically arranged at the front end and the rear end of the left rotating plate 302 and the right rotating plate 402, so that the whole structure is symmetrical up and down and left and right, and the problem of poor balance is solved. And simultaneously, the original translation amount of the cam is doubled, so that larger torque force is obtained.

The utility model discloses a work flow:

when the folding type folding machine is folded, the left rotating plate and the right rotating plate synchronously rotate inwards, the left driving cam and the right driving cam at the front end and the rear end extrude the driven cam, so that the movable base moves outwards, the damping of the spring is overcome, and then the movable base does not move any more until the left rotating plate and the right rotating plate are overturned to be in a parallel vertical state.

When the unfolding, the left-turn plate and the right-turn plate synchronously rotate outwards, the initial movable base is not movable, then the spring acts on the movable base, the elastic force is converted into the torque, the left-turn plate and the right-turn plate are conveniently unfolded quickly, then the left-turn plate and the right-turn plate are overturned to a parallel horizontal state, and under the action of the limiting parts of the left-turn plate and the right-turn plate, the left-turn plate and the right-turn plate can not rotate outwards any more.

The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a folding module of hinge rolls over outward, includes unable adjustment base (201), left side board (302), right side board (402) and movable base (501), its characterized in that: the front end and the rear end of the left rotating plate (302) are respectively provided with a left driving cam (304) for connection, the front end and the rear end of the right rotating plate (402) are respectively provided with a right driving cam (404) for connection, the left driving cam (304) and the right driving cam (404) are respectively matched with a driven cam (502) on the movable base (501), and an elastic part is arranged between the movable base (501) and the fixed base (201).

2. The fold-out hinge folding module of claim 1, wherein: the left rotating plate (302) is fixedly arranged on the rotating shaft (601) on the left side, and the right rotating plate (402) is fixedly arranged on the rotating shaft (601) on the right side.

3. The fold out hinge folding module of claim 2, wherein: the movable base (501) is sleeved on the rotating shafts (601) on the left side and the right side, and the fixed bases (201) at the front end and the rear end are connected with the rotating shafts (601) on the left side and the right side.

4. The fold out hinge folding module of claim 3, wherein: the fixed base (201) is axially clamped and connected on the rotating shaft (601) through an E-shaped clamp spring (101).

5. The fold-out hinge folding module of claim 1, wherein: the left rotating plate (302) is provided with a left connecting column (301), and the right rotating plate (402) is provided with a right connecting column (401).

6. The fold-out hinge folding module of claim 1 or 5, wherein: the left rotating plate (302) is provided with a left tooth part (303), the right rotating plate (402) is provided with a right tooth part (403), and the left tooth part (303) is meshed with the right tooth part (403).

7. The fold-out hinge folding module of claim 6, wherein: the left rotating plate (302) is provided with a left limiting part (305) located at the end of the left tooth part (303), the right rotating plate (402) is provided with a right limiting part (405) located at the end of the right tooth part (403), and the left limiting part (305) and the right limiting part (405) are matched relatively.

8. The fold-out hinge folding module of claim 1, wherein: the elastic piece is a spring (701) sleeved on the rotating shafts (601) at the left side and the right side.

9. The fold-out hinge folding module of claim 1, wherein: the elastic piece is a spring (701) sleeved on the rotating shaft (601).