CN204458809U - Fastening structure and folding-type electronic device - Google Patents

Abstract

A snap-fit structure and a foldable electronic device, wherein the snap-fit structure includes a lock, a lock bolt and a fixed block, and the lock includes a pressing lever, a rotating shaft of the pressing lever, an unlocking link, a locking hook, a locking hook rotating shaft and a locking hook pull Stretch the spring, the position of the rotating shaft of the pressing rod is fixed, the pressing rod is installed on the rotating shaft of the pressing rod and rotates with the rotating shaft of the pressing rod as the axis, the pressing rod forms a push against one end of the unlocking connecting rod, the position of the rotating shaft of the lock hook fixed, the lock hook is installed on the lock hook shaft and rotates around the lock hook shaft as the axis, the other end of the unlocking link forms a push against the lock hook, and the position of one end of the lock hook tension spring is fixed. The other end of the lock hook extension spring is connected with the lock hook, the lock bolt is fixed in position, the fixed block is fixed in position and is arranged adjacent to the lock bolt, and one of the lock hook and the fixed block is a magnetic magnet. The other one can be magnetically attracted by a magnet. The utility model also provides a foldable electronic device adopting the fastening structure.

Description

Snap-fit structure and foldable electronic equipment

technical field

The utility model relates to the technical field of snap-fit connection, in particular to a snap-fit structure and a foldable electronic device adopting the snap-fit structure.

Background technique

With the rapid development of wireless communication technology and information processing technology, a variety of electronic devices have emerged as the times require, and products that are easy to carry and have a better user experience are popular, which requires products that can achieve better and Reliable function, but also able to maintain a more perfect appearance.

For electronic equipment including the upper cover assembly and the lower cover assembly, in the closed state, the upper cover assembly and the lower cover assembly need to be locked. Currently, there are two common locking methods:

(1) The shackle is exposed, whether it is in the open state or in the closed state, the shackle is in a fixed and exposed state, which affects the appearance;

(2), the lock hook can be shrunk and hidden, but the structure is complicated, the cost is high, and the efficiency is not high.

At present, most of the electronic equipment adopts the exposed lock hook in the closed state, which affects the overall appearance effect and has certain limitations on the appearance, while a small number of hidden lock hooks have complex structures, high cost and high efficiency. Low, relatively rare on the market.

Utility model content

The purpose of the utility model is to provide a fastening structure, which can not only ensure a good appearance effect, but also realize a reliable fastening function, and has a simple structure, low cost and high efficiency.

The utility model further aims to provide a foldable electronic device, which adopts a buckle structure, which can not only ensure a good appearance effect, but also realize a reliable buckle function, and has a simple structure, low cost and high efficiency. high.

The embodiment of the utility model provides a fastening structure, including a lock, a lock bolt and a fixed block. The lock includes a pressing rod, a rotating shaft of the pressing rod, an unlocking link, a locking hook, a locking hook rotating shaft and a locking hook stretching spring. The position of the rotating shaft of the pressing rod is fixed. The pressing rod is installed on the rotating shaft of the pressing rod and rotates around the rotating shaft of the pressing rod. The pressing rod forms a push against one end of the unlocking link. The locking hook is installed on the locking hook rotating shaft and rotates around the locking hook rotating shaft. The other end of the unlocking link forms a push against the locking hook. One end of the locking hook tension spring is fixed, and the locking hook pulls The other end of the extension spring is connected with the lock hook, the position of the lock bolt is fixed, the position of the fixed block is fixed and it is set close to the lock bolt, one of the lock hook and the fixed block is a magnet with magnetism, and the other One can be magnetically attracted by a magnet.

Further, the fixing block is arranged directly under the locking bolt.

Further, the fixing block is a magnet with magnetism, and the lock hook is made of a material that can be magnetically attracted by a magnet, or the lock hook is a magnet with magnetism, and the fixing block is made of a material that can be magnetically attracted by a magnet become.

Further, a fixing pin is arranged on the locking hook, and the other end of the unlocking link forms a push against the fixing pin.

Further, the lock buckle also includes an unlocking return spring, one end of the unlocking return spring is fixed, and the other end of the unlocking return spring is connected to the unlocking link.

The embodiment of the present utility model also provides a foldable electronic device, which includes a first part and a second part, and the first part and the second part are fastened through the above-mentioned fastening structure.

Further, the first part is provided with an unlocking switch, the unlocking switch and the lock catch are arranged on the first part, the unlocking switch is pressed against the pressing rod, and the locking bolt and the fixing block are arranged on the second part .

Further, the foldable electronic device is a foldable display device, the first part is the upper cover of the foldable electronic device, the second part is the lower cover of the foldable electronic device, and the foldable display device It also includes a display screen and a transflective assembly, the display screen is arranged on the upper cover or the lower cover, the transflective assembly is respectively connected to the upper cover and the lower cover through a movable connection structure, and the unlocking switch is When pressed, the buckle and the lock bolt are unlocked, and the foldable electronic device automatically bounces open under the action of the movable connection structure.

Further, when the foldable display device is opened, it is Z-shaped, and the transflective assembly is inclined at 45°, and there are formed between the transflective assembly and the upper cover and between the transflective assembly and the lower cover. 45° included angle.

Further, the display screen is arranged on the upper cover.

In the embodiment of the utility model, by adopting the above-mentioned fastening structure, the lock hook can be effectively fastened when closed, and can be effectively hidden when opened, which can not only ensure a good appearance effect, but also realize reliable locking. Fastening function, simple structure, low cost and high efficiency.

Description of drawings

FIG. 1 is a schematic diagram of a foldable electronic device in a closed state in an embodiment of the present invention.

Fig. 2 is a schematic diagram of the foldable electronic device in an open state in an embodiment of the present invention.

Fig. 3 is a schematic diagram of the upper cover in the embodiment of the present invention.

FIG. 4 is a schematic diagram of a transflective component in an embodiment of the present invention.

Fig. 5 is a schematic diagram of the lower cover in the embodiment of the present invention.

Fig. 6A is a schematic front view of the buckle and the lock bolt in the embodiment of the present invention when they are locked.

Fig. 6B is a schematic cross-sectional view of the buckle and the lock bolt in the embodiment of the present invention when they are locked.

Fig. 7A is a schematic front view of the buckle and the lock bolt in the process of unlocking in the embodiment of the present invention.

Fig. 7B is a schematic cross-sectional view of the buckle and the lock bolt in the process of unlocking in the embodiment of the present invention.

Fig. 8A is a schematic front view of the buckle and the lock bolt in the embodiment of the present invention after they are unlocked.

Fig. 8B is a schematic cross-sectional view of the buckle and the lock bolt in the embodiment of the present invention after they are unlocked.

Fig. 9 is a schematic diagram of the principle of image display in the embodiment of the present invention.

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the utility model, the specific implementation, structure, features and effects of the utility model will be described in detail below in conjunction with the accompanying drawings and examples.

Figure 1 is a schematic diagram of the folding electronic device in the closed state in the embodiment of the utility model, and Figure 2 is a schematic diagram of the folding electronic device in the open state in the embodiment of the utility model, please refer to Figures 1 and 2, the folding The type electronic device includes an upper cover 100 , a transflective assembly 200 and a lower cover 300 .

As shown in FIG. 1 and FIG. 2 , the structure of the foldable electronic device has two states: the closed state in FIG. 1 and the open state in FIG. 2 . The foldable electronic device is in the shape of a flat box in a closed state. When the foldable electronic device is opened, the upper cover 100 , the transflective assembly 200 and the lower cover 300 are opened in a Z shape.

FIG. 3 is a schematic diagram of the upper cover in the embodiment of the present invention. Please refer to FIG. 3 . The upper cover 100 includes an upper casing 101 , an unlock switch 102 and a latch 103 . The unlock switch 102 and the lock catch 103 are arranged in the upper casing 101 . The unlock switch 102 is used to drive the lock catch 103 to unlock.

In this embodiment, the unlocking switch 102 is a push-button switch, and the push-button switch is arranged on the upper housing 101 . When the push-button switch is pressed, the lock catch 103 is moved to unlock the lock catch 103 .

In this embodiment, the upper housing 101 includes a top cover 101a and a bottom cover 101b, an unlock switch 102 and a lock 103 are arranged on the bottom cover 101b, the top cover 101a is closed on the bottom cover 101b, and the top cover 101a and the bottom cover 101b are combined to form the upper case 101. The position corresponding to the unlocking switch 102 on the top cover 101a is provided with an opening 106 for the unlocking switch 102 to pass through, so that the unlocking switch 102 is exposed through the opening 106 of the top cover 101a, and the user can press the unlocking switch downwards. 102, so as to realize one-key opening of the foldable electronic device.

FIG. 4 is a schematic diagram of a transflective assembly in an embodiment of the present invention. Referring to FIG. 4 , the transflective assembly 200 includes a first torsion spring shaft 201 , a transflective plate 202 , and a second torsion spring shaft 203 . The first torsion spring rotating shaft 201 and the second torsion spring rotating shaft 203 are respectively arranged on the upper and lower sides of the transflective plate 202. The first torsion spring rotating shaft 201 is used for connecting with the upper cover body 100, and the second torsion spring rotating shaft 203 is used for connecting with the upper cover body 100. The lower cover body 300 is connected. The first torsion spring shaft 201 and the second torsion spring shaft 203 are respectively provided with torsion springs (not shown in the figure), and the torsion springs can provide elastic torque to realize the automatic locking of the upper cover 100 and the transflective assembly 200 when unlocking. popup function. That is to say, the transflective assembly 200 is respectively connected to the upper cover 100 and the lower cover 300 through a movable connection structure, and the unlock switch 102 unlocks the lock 103 and the lock 303 when it is pressed, and the foldable electronic device Automatically pop open under the action of the active connection structure. It can be understood that, in addition to the above-mentioned first torsion spring shaft 201 and second torsion spring shaft 203, the flexible connection structure can also be other types of technical solutions that can realize automatic springing, which is well known to those skilled in the art. I won't go into details here.

FIG. 5 is a schematic diagram of the lower cover in the embodiment of the present invention. Referring to FIG. 5 , the lower cover 300 includes a lower casing 301 and a lock bolt 303 . The locking bolt 303 is disposed in the lower housing 301 and has a fixed position for forming a locking relationship with the lock catch 103 . The number of locking bolts 303 is preferably two, which are respectively arranged on opposite sides of the lower housing 301, so that the electronic device can be locked simultaneously from both sides, and the locking is more stable.

In this embodiment, the assembly relationship between the upper cover 100 , the transflective assembly 200 and the lower cover 300 is: the upper cover 100 and the lower cover 300 are connected through the transflective assembly 200 , that is, the upper cover 100 The transflective assembly 200 is connected through the first torsion spring shaft 201, the lower cover 300 is connected with the transflective assembly 200 through the second torsion spring shaft 203, and the upper cover 100 and the lower cover 300 are connected through the transflective assembly 200, Thereby realizing Z font opening, as shown in Figure 2. In the open state of FIG. 2 , the upper cover 100 and the lower cover 300 are parallel to each other, and the transflective assembly 200 is inclined at 45°. Both form a 45° angle between them.

The buckle structure of this embodiment and the working principle of one-key opening are described below with reference to FIG. 6A to FIG. 8B . The fastening structure includes a lock 103, a lock bolt 303 and a fixed block 304. The fixed block 304 is arranged in the lower housing 301. The position of the fixed block 304 is fixed and is arranged adjacent to the lock bolt 303. For example, in this embodiment, the fixed block 304 It is arranged directly below the lock bolt 303 .

As shown in FIG. 6A and FIG. 6B , the lock 103 includes a pressing rod 1030 , a rotating shaft 1031 of the pressing rod, an unlocking link 1032 , a locking hook 1033 , a locking hook rotating shaft 1034 and a locking hook tension spring 1035 . The position of the pressing rod rotating shaft 1031 is fixed, and the pressing rod 1030 is installed on the pressing rod rotating shaft 1031 and rotates around the pressing rod rotating shaft 1031 . The pressing rod 1030 is pushed against one end of the unlocking link 1032 (ie, the end close to the pressing rod 1030 ). The locking hook rotating shaft 1034 is fixed in position, and the locking hook 1033 is installed on the locking hook rotating shaft 1034 and rotates around the locking hook rotating shaft 1034 , and the locking hook 1033 is used for locking with the locking bolt 303 . The other end of the unlocking link 1032 (that is, the end away from the pressing rod 1030 ) is pushed against the locking hook 1033 .

One of the locking hook 1033 and the fixed block 304 is a magnet with magnetism, and the other can be magnetically attracted by the magnet. The locked state of the lock bolt 303 . In this embodiment, the fixed block 304 is a magnet with magnetism. Furthermore, the fixed block 304 can be a permanent magnet with permanent magnetism (such as a neodymium iron boron magnet), and the locking hook 1033 is made of a magnet that can be magnetically attracted by the magnet. material (such as metal iron), but not limited thereto, in other embodiments, the locking hook 1033 may also be a magnet with magnetism, and the fixing block 304 is made of a material that can be magnetically attracted by the magnet.

One end of the locking hook extension spring 1035 is fixed, such as fixed by a set screw 1036, the other end of the locking hook extension spring 1035 is connected with the locking hook 1033, and the locking hook extension spring 1035 is in a stretched state. Under the action of the extension spring 1035, the lock hook 1033 can rotate around the lock hook rotating shaft 1034 as the axis.

The unlocking switch 102 is pressed against the pressing rod 1030 , the unlocking switch 102 can only move in the z direction due to the restriction of the upper cover 100 , and the unlocking link 1032 can only move horizontally in the y direction due to the restriction of the upper cover 100 . When the user presses the unlock switch 102, the unlock switch 102 moves downward in the Z direction, pushing the pressing lever 1030 to rotate around the pressing lever shaft 1031 as the axis, and the rotation will drive the unlocking link 1032 to move horizontally in the y direction, unlocking the link 1032 pushes the lock hook 1033 to rotate around the lock hook shaft 1034 at the same time. After the lock hook 1033 rotates, the position of the lock bolt 303 is staggered. As shown in FIG. 7A and FIG. 7B, the lock hook 1033 and the lock bolt 303 are unlocked. .

In this embodiment, the lock hook 1033 is provided with a fixed pin 1037, and the other end of the unlocking link 1032 forms a push against the fixed pin 1037. When the unlocking link 1032 moves horizontally in the y direction, it will push the fixed pin 1037, thereby driving the lock The hook 1033 rotates around the locking hook rotating shaft 1034 to unlock the locking hook 1033 .

When the locking relationship between the locking hook 1033 and the locking bolt 303 is released, the second torsion spring shaft 203 connected to the lower cover 300 starts to take the connection point as the axis, and drives the transflective assembly 200 to bounce upward automatically and turn over until the transmissive The angle between the reflection assembly 200 and the lower cover 300 is 45°; at the same time, the first torsion spring shaft 201 connected to the upper cover 100 is also centered on the connection point, driving the upper cover 100 to pop open and turn over until The angle between the transflective assembly 200 and the upper cover 100 is 45°, so that the originally closed foldable electronic device is opened and presents a zigzag shape.

As shown in Figure 8A and Figure 8B, when the electronic device is opened, the lock hook 1033 is pulled up by the lock hook tension spring 1035, and shrinks inside the upper case 101 of the upper cover body 100 to achieve a hidden effect, while the lock The hook extension spring 1035 adopts a weak extension spring with less elastic force, which is only used to pull the locking hook 1033 to a hidden position when the locking hook 1033 has no other restraints.

As shown in Figure 6A and Figure 6B, when the electronic device is closed, when the upper and lower parts (the upper cover 100 and the lower cover 300) are close to each other, the magnet 304 at the bottom will play a role, and the hook will stretch The elastic force of the spring 1035 is very small, which is not enough to offset the attraction force of the magnet 304 to the lock hook 1033. Under the magnetic force of the magnet 304, the lock hook 1033 rotates around the lock hook shaft 1034 until it is engaged with the lock bolt 303 at the bottom. It is in the state of automatically popping off. Once it is buckled at this time, a self-lock will be formed, and the upper and lower parts will be firmly buckled together. The hook tension spring 1035 is in a stretched state at this time, but the reset force is still Very small, negligible. That is to say, whether it is in the closed state or the open state, the locking hook extension spring 1035 is in a stretched state, but the pulling force is small, which will not affect the fastening of the locking hook 1033 and the locking bolt 303 on the one hand, and on the other hand Pull the lock hook 1033 in the open state to realize the hidden effect of the lock hook 1033 .

When the electronic device needs to be opened automatically, firstly, the lock hook 1033 should be released from the bottom lock bolt 303. Once the lock hook 1033 is separated from the lock bolt 303, the device will automatically bounce. Attraction to buckle again, even if the attraction hook 1033 tends to buckle again, but due to the separation of the upper and lower parts, it cannot return to the position of the lock bolt 303 and cannot be buckled again. When the separation reaches a certain distance, the magnetism weakens or even disappears , at this moment, the locking hook extension spring 1035 starts to work, and the locking hook 1033 is pulled back to the hidden position.

In this embodiment, by adopting the above fastening structure, the lock hook can be effectively fastened when closed, and can be effectively hidden when opened, which can not only ensure a good appearance effect, but also realize a reliable fastening function. And the structure is simple, the cost is low, and the efficiency is high.

In this embodiment, the setting of the lock catch 103 is to convert the pressing force into a thrust or pull force through the principle of leverage, push or pull the lock hook 1033, and overcome the suction force of the magnet so that the lock hook 1033 rotates around the lock hook rotating shaft 1034, thereby breaking away from the lock at the bottom. Bolt 303, unlocking, because the device itself is in a state of tension that springs off automatically, and has magnetic attraction, once locked, it is very firm and not easy to loosen, but relying on the principle of leverage and the unlocking force acting on the tangential direction of the lock hook 1033, the most Labor-saving, and the highest efficiency. The fastening structure of this embodiment is suitable for all automatic hidden fastening designs, especially suitable for the tight state when fastening, that is, there is a certain opening force when closing, so that it can effectively self-lock and make the fastening more secure. An electronic device that turns on automatically once unlocked.

Further, the buckle 103 also includes an unlocking return spring 1038, which is arranged on the unlocking link 1032, and one end of the unlocking return spring 1038 (that is, the end away from the pressing rod 1030) is fixed, for example, fixed on the upper cover 100, the other end of the unlocking return spring 1038 (that is, the end close to the pressing rod 1030) is connected with the unlocking link 1032, so that the unlocking link 1032 will compress the unlocking return spring 1038 when it moves horizontally in the y direction, and the release of the unlocking switch 102 , the unlocking return spring 1038 will push the pressing rod 1030 and the unlocking link 1032 to reset, so that the pressing bar 1030 and the unlocking link 1032 return to their initial positions.

In this embodiment, when the lock catch 103 and the lock bolt 303 are locked, the foldable electronic device is in a box-like closed state, as shown in FIG. 1; when the unlock switch 102 is operated, the lock catch 103 and the lock The bolt 303 is unlocked, and the foldable electronic device automatically bounces to a Z-shaped open state under the action of the first torsion spring shaft 201 and the second torsion spring shaft 203 , as shown in FIG. 2 . Therefore, in this embodiment, when opening the electronic device, the operation becomes simple, and it is not necessary to manually turn it over to open it. It only needs to perform a one-key opening operation to realize automatic pop-up, and the opening process is completed in one step, which also simplifies user operations and improves user experience.

The foldable electronic device in this embodiment may specifically be a foldable display device, which may receive and display image data transmitted from an external terminal in a wired or wireless manner. The foldable electronic device also includes a display screen 107, and the display screen 107 is arranged on the upper cover body 100 or the lower cover body 300. In this embodiment, the display screen 107 is arranged on the upper cover body 100, and the display screen 107 is used to display The image data received by the image electronic device, and the image data displayed on the display screen 107 undergo the transflective action of the transflective component 200 to form an image in space that can be viewed by the user. The transflective component 200 is a transparent component with a transflective function, capable of merging the screen image on the upper cover body 100 with the real environment scene behind the transflective component 200 for virtual display together, as shown in FIG. 9 , the upper cover The light emitted by point A of the picture image on the display screen 107 of the body 100 is reflected by the transflective assembly 200 and enters the eyes 400 of the viewer. Point B at the back sees the image of point A, and because the transflective component 200 is transparent, the real environment scene behind the transflective component 200 can also be seen by the viewer, thus forming a picture image that is fused with the real world display effect.

In the above embodiment, the buckling structure is applied to a foldable display device as an example for illustration, but it is not limited thereto. In other embodiments, the buckling structure can also be applied to other devices that require the In a foldable electronic device in which parts are fastened, such as a notebook computer, the above fastening structure is used to fasten the first part and the second part together, and realize the effect of hiding the lock hook, which will not be repeated here.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solution of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solution of the utility model Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a fastening structure, it is characterized in that, comprise snap close (103), locking bolt (303) and fixed block (304), this snap close (103) comprises pressing lever (1030), pressing lever rotating shaft (1031), unlocking link (1032), latch hook (1033), latch hook rotating shaft (1034) and latch hook extension spring (1035), this pressing lever rotating shaft (1031) position is fixed, it is upper and with this pressing lever rotating shaft (1031) for axle center rotates that this pressing lever (1030) is arranged on this pressing lever rotating shaft (1031), this pressing lever (1030) forms backup with one end of this unlocking link (1032), this latch hook rotating shaft (1034) position is fixed, it is upper and with this latch hook rotating shaft (1034) for axle center rotates that this latch hook (1033) is arranged on this latch hook rotating shaft (1034), the other end and this latch hook (1033) of this unlocking link (1032) form backup, one end position of this latch hook extension spring (1035) is fixed, the other end of this latch hook extension spring (1035) is connected with this latch hook (1033), the position of this locking bolt (303) is fixed, the position of this fixed block (304) is fixed and is closed on this locking bolt (303) and arranges, this latch hook (1033) and this fixed block (304) one of them be the magnetic magnet of tool, wherein another can by magnet institute magnetic.

2. fastening structure as claimed in claim 1, it is characterized in that, this fixed block (304) is arranged at immediately below this locking bolt (303).

3. fastening structure as claimed in claim 1, it is characterized in that, this fixed block (304) is the magnetic magnet of tool, this latch hook (1033) is by being made by the material of magnet institute magnetic, or this latch hook (1033) is the magnetic magnet of tool, this fixed block (304) is by being made by the material of magnet institute magnetic.

4. fastening structure as claimed in claim 1, it is characterized in that, this latch hook (1033) is provided with a fixing pin (1037), the other end and this fixing pin (1037) of this unlocking link (1032) form backup.

5. fastening structure as claimed in claim 1, it is characterized in that, this snap close (103) also comprises unblock Returnning spring (1038), one end position of this unblock Returnning spring (1038) is fixed, and the other end of this unblock Returnning spring (1038) is connected with this unlocking link (1032).

6. a folding-type electronic device, comprises first component and second component, it is characterized in that, is fastened between this first component and this second component by the fastening structure as described in any one of claim 1 to 5.

7. folding-type electronic device as claimed in claim 6, it is characterized in that, this first component is provided with unlock switch (102), this unlock switch (102) and this snap close (103) are arranged at this first component, this unlock switch (102) and this pressing lever (1030) are formed and are pressed against, and this locking bolt (303) and this fixed block (304) are arranged at this second component.

8. folding-type electronic device as claimed in claim 7, it is characterized in that, this folding-type electronic device is a collapsible display device, this first component is the upper cover body (100) of this folding-type electronic device, this second component is the lower cover (300) of this folding-type electronic device, this collapsible display device also comprises display screen (107) and Transflective assembly (200), this display screen (107) is arranged on this upper cover body (100) or this lower cover (300), this Transflective assembly (200) is connected with this upper cover body (100) and this lower cover (300) respectively by movable connection structure, this unlock switch (102) makes this snap close (103) and this locking bolt (303) unlock when being pressed, this folding-type electronic device automatically springs open under the effect of this movable connection structure.

9. folding-type electronic device as claimed in claim 8, it is characterized in that, this collapsible display device is Z-shaped when opening, this Transflective assembly (200) in 45 ° of inclinations, equal shape angle at 45 ° between this Transflective assembly (200) and this upper cover body (100) and between this Transflective assembly (200) and this lower cover (300).

10. folding-type electronic device as claimed in claim 8, it is characterized in that, this display screen (107) is arranged in this upper cover body (100).