CN220727650U - Folding bracket - Google Patents

Abstract

The utility model provides a folding bracket, which belongs to the technical field of peripheral accessories of electronic products, and comprises: the two panels are connected through an X-shaped expanding arm, and the two panels move in opposite directions or opposite directions to realize the folding and unfolding of the X-shaped expanding arm, wherein one end of the X-shaped expanding arm is rotationally connected with the panels, the other end of the X-shaped expanding arm is provided with a sliding part, and the sliding part is in sliding fit with the panels; the two support rods are respectively connected with the corresponding panel in a rotating way through a first rotating shaft, and a first torsion spring used for automatically bouncing the support rods is arranged on the first rotating shaft. According to the utility model, the two panels are mutually far away, so that the X-shaped rotating arm is unfolded, the one-key bouncing of the supporting rod is realized, and the operation is convenient and reliable.

Description

Folding bracket

Technical Field

The utility model belongs to the technical field of peripheral accessories of electronic products, and relates to a folding bracket.

Background

Notebook computers have become an important tool in the work and life of modern people, but due to the inherent size and position relationship of desktops and notebook computers, people have some inherent ergonomic defects when using notebook computers. The notebook computer is used in an improper posture for a long time, which can cause 'encephalopathy' such as cervical spondylosis, neck muscle injury, shoulder muscle strain, arm muscle strain and the like.

The notebook computer bracket can adjust the human-computer posture to the position and angle which accord with the human engineering, thereby effectively relieving or preventing various 'encephalopathy' to a certain extent.

Chinese patent (CN 212298387U) discloses a foldable notebook stand, comprising a placement plate, a bottom plate, a support bar, an upper stand plate, a lower stand plate and a connecting disc; the two bottom plates are horizontally arranged in parallel at intervals, a placement plate is arranged above the bottom plates in parallel and attached to the bottom plates, and the front ends of the placement plates are hinged with the front ends of the bottom plates; two upper support plates and two lower support plates are arranged between the two placing plates in an X shape, and the lower ends of the upper support plates and the upper ends of the lower support plates are rotationally connected with the connecting discs; the lower end of the lower support plate is spliced with the back surface of the corresponding placing plate, and the upper end of the upper support plate is connected with the back surface of the corresponding placing plate in a sliding manner along the length direction of the placing plate; the sliding connection part of the upper support plate and the placement plate is also hinged with a support rod, and the lower ends of the support rods are respectively spliced with the corresponding bottom plates.

However, the support bar in the foldable notebook computer support needs to be opened manually, which is inconvenient to use.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a folding bracket which can be unfolded in one step.

The aim of the utility model can be achieved by the following technical scheme: a folding stent comprising:

the two panels are connected through an X-shaped expanding arm, and the two panels move in opposite directions or opposite directions to realize the folding and unfolding of the X-shaped expanding arm, wherein one end of the X-shaped expanding arm is rotationally connected with the panels, the other end of the X-shaped expanding arm is provided with a sliding part, and the sliding part is in sliding fit with the panels;

the two support rods are respectively and rotatably connected with the corresponding panel through a first rotating shaft, and a first torsion spring for automatically bouncing the support rods is arranged on the first rotating shaft;

when the support is in a folded state, the support rods are locked in the corresponding panels; when the support is unfolded, the locking of the corresponding support rod is released through the movement of the sliding part, so that the corresponding support rod is unfolded to a preset position under the action of the first torsion spring.

The folding bracket further comprises two support legs which are respectively connected with the corresponding panel in a rotating way through a second rotating shaft, and a second torsion spring for automatically bouncing the support legs is arranged on the second rotating shaft;

when the support is in a furled state, the support rods and the support legs are synchronously locked in the corresponding panels; when the support is unfolded, the locking of the corresponding support rod and the supporting legs is synchronously released through the movement of the sliding part, so that the corresponding support rod and the supporting legs are unfolded to the preset positions under the action of the first torsion spring and the second torsion spring respectively.

In the above-mentioned folding bracket, a first cavity for accommodating the supporting rod and a second cavity for accommodating the supporting leg are provided on the panel, wherein the supporting rod is locked in the first cavity through the abutting fit between the supporting rod and the cavity wall of the first cavity, the supporting leg is locked in the second cavity through the clamping between the sliding part and the cavity bottom of the second cavity, and the first cavity is communicated with the second cavity, and the first cavity is used as a moving space of the sliding part.

In the above-mentioned folding bracket, the support bar is provided with an elastic bolt, and the compression and extension directions of the elastic bolt are parallel to the axial direction of the first rotating shaft, wherein when the support bar is accommodated in the first concave cavity, the elastic bolt is in a compressed state, and the elastic bolt is in abutting fit with the side wall of the first concave cavity, so that the support bar is locked in the first concave cavity; or the side wall of the supporting rod is provided with a bulge, and when the supporting rod is contained in the first concave cavity, the bulge is in butt fit with the cavity walls at the two sides of the opening end of the first concave cavity.

In the folding bracket, the sliding part is connected to the X-shaped display arm through the fastener, a guide inclined surface is arranged on one side, facing the support rod, of the sliding part, a stop surface is arranged on one side, facing the support leg, of the sliding part, the support leg is clamped between the stop surface and the cavity bottom of the second cavity, when the sliding part moves towards the support rod, the support rod is extruded out of the first cavity through the guide inclined surface, and meanwhile, the contact between the stop surface and the support leg is released, so that the support leg rotates along the direction away from the cavity bottom of the second cavity.

In the above folding bracket, the panel is provided with a first limit structure, the first limit structure is located on the rotation track of the supporting rod, the maximum rotation angle of the supporting rod is controlled through the first limit structure, and when the bracket is unfolded, the supporting rod rotates to be in corresponding butt with the first limit structure under the action of the first torsion spring.

In the above folding bracket, the first limiting structure is movably connected with the panel, and the maximum rotation angle of the support rod is adjusted by moving the first limiting structure along the length direction of the panel.

In the above folding bracket, the panel is provided with a sliding rail which forms sliding fit with the first limit structure, a plurality of clamping grooves are formed in the sliding rail along the moving direction of the first limit structure, and a clamping hook is arranged on the first limit structure, wherein the clamping hook is in clamping fit with the clamping grooves in different positions through the movement of the first limit structure.

In the above-mentioned folding bracket, the first limit structure includes a slide seat slidingly engaged with the slide rail, and one end of the slide seat is engaged with the support rod in the unfolded state, and the other end of the slide seat is rotatably connected with the switch, wherein the hook is disposed on the switch; and the two ends of the spring are respectively connected with the switch and the sliding seat, and the connection position of the spring on the switch and the connection position of the clamping hook are respectively positioned at the two ends of the switch.

In the above folding bracket, a sliding groove is further formed in the panel along the moving direction of the sliding seat, and the sliding groove and the sliding rail are arranged up and down along the thickness direction of the panel, wherein a screw in sliding fit with the sliding groove is arranged on the sliding seat, and the degree of freedom of the sliding seat in the vertical direction is limited by the screw.

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

(1) According to the folding bracket provided by the utility model, the two panels are mutually far away, so that the X-shaped unfolding arm can be unfolded, the X-shaped unfolding arm can unlock the supporting rod in the unfolding process, and the supporting rod can automatically spring under the action of the torsion spring, so that the one-key spring of the supporting rod is realized, and the operation is convenient and reliable. Furthermore, the X-shaped unfolding arm can be used for unlocking the supporting legs in the unfolding process, the supporting legs are sprung up under the action of the torsion springs, so that the synchronous one-key spring of the supporting rods and the supporting legs can be realized, and the use is very convenient.

(2) By arranging the elastic bolt or the bulge, the locking of the support rod in the furled state is realized, the automatic opening of the support rod is avoided, and the reliability of the support in the storage state is improved.

(3) Through first limit structure, not only can restrict the flip angle of bracing piece, give good support for the support under the expansion state, through first limit structure's removal moreover, adjust the biggest flip angle of bracing piece, realize the support to the different angles of support, improve the flexibility that the support used.

Drawings

Fig. 1 is a schematic structural view of a foldable stand in a storage state according to the present utility model.

Fig. 2 is a schematic view of a folding bracket according to the present utility model in an unfolded state.

Fig. 3 is a partial cross-sectional view of the folding bracket shown in fig. 1 in a stowed condition.

Fig. 4 is a partial cross-sectional view of the folding stand of fig. 2 in an unfolded state.

Fig. 5 is a partial exploded view of a folding stand according to the present utility model.

In the figure, 10, panel; 11. a first cavity; 12. a second cavity; 13. a slide rail; 14. a clamping groove; 15. a chute; 20. an X-shaped unfolding arm; 21. a sliding part; 211. a guide slope; 212. a stop surface; 30. a support rod; 31. a first rotating shaft; 32. a first torsion spring; 33. an elastic bolt; 40. a support leg; 41. a second rotating shaft; 42. a second torsion spring; 50. a first limit structure; 51. a clamping hook; 52. a slide; 53. a pin shaft; 54. a switch; 55. a spring; 56. a screw; 60. and the second limiting structure.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 5, the foldable stand provided by the present utility model includes:

the two panels 10 are connected through an X-shaped expanding arm 20, and the two panels 10 move in opposite directions or opposite directions to realize the folding and unfolding of the X-shaped expanding arm 20, wherein one end of the X-shaped expanding arm 20 is rotationally connected with the panels 10, the other end of the X-shaped expanding arm 20 is provided with a sliding part 21, and the sliding part 21 is in sliding fit with the panels 10;

the two support rods 30 are respectively and rotatably connected with the corresponding panel 10 through a first rotating shaft 31, and a first torsion spring 32 for automatically bouncing the support rods 30 is arranged on the first rotating shaft 31;

the two support legs 40 are respectively and rotatably connected with the corresponding panel 10 through a second rotating shaft 41, and a second torsion spring 42 for automatically bouncing the support legs 40 is arranged on the second rotating shaft 41;

wherein, when the bracket is in a folded state, the corresponding support bar 30 and the support leg 40 are locked in the corresponding panel 10 through the sliding part 21; when the bracket is unfolded, the locking of the corresponding support bar 30 and the leg 40 is simultaneously released by the movement of the sliding portion 21, so that the corresponding support bar 30 and the leg 40 are automatically sprung up to the preset positions by the first torsion spring 32 and the second torsion spring 42, respectively.

It should be noted that when the stand is in the unfolded state, the two support rods 30 serve as support portions for the inclined placement of the panels 10, the two panels 10 form a carrying plane of the notebook computer, and the two legs 40 form lifting portions of the notebook computer.

According to the folding bracket provided by the utility model, the two panels 10 are separated from each other to realize the unfolding of the X-shaped rotating arm, so that the 'one-key bouncing' of the supporting rod 30 and the supporting leg 40 is realized, and the operation is convenient and reliable.

Further preferably, the support bar 30, the sliding portion 21 and the leg 40 are disposed along the length direction of the panel 10, and the support bar 30 and the leg 40 are respectively located at both sides of the sliding portion 21, wherein when the support is unfolded, the locking of the support bar 30 and the leg 40 is synchronously released by moving the sliding portion 21 toward the support bar 30, so that the support bar 30 and the leg 40 are respectively automatically sprung to a preset position under the action of the first torsion spring 32 and the second torsion spring 42.

It should be noted that the support bar 30 and the leg 40 both rotate in a direction away from the sliding portion 21, and the rotation direction of the support bar 30 coincides with the rotation direction of the leg 40.

Further preferably, the panel 10 is provided with a first cavity 11 for accommodating the support rod 30 and a second cavity 12 for accommodating the support leg 40, and the opening direction of the first cavity 11 is opposite to the opening direction of the second cavity 12, wherein the support rod 30 is locked in the first cavity 11 through abutting fit between the cavity walls of the first cavity 11, the support leg 40 is locked in the second cavity 12 through clamping between the sliding part 21 and the cavity bottom of the second cavity 12, and the first cavity 11 is communicated with the second cavity 12, and the first cavity 11 is used as a moving space of the sliding part 21.

Preferably, when the support rod 30 is locked in the first cavity 11, an elastic plug 33 is arranged at one end of the support rod 30 facing the sliding part 21, and the compression and extension directions of the elastic plug 33 are parallel to the axial direction of the first rotating shaft 31, wherein when the support rod 30 is accommodated in the first cavity 11, the elastic plug 33 is in a compressed state, and two ends of the elastic plug 33 respectively form abutting fit with two side cavity walls of the opening end of the first cavity 11, so that the support rod 30 is locked in the first cavity 11; or the side wall of the supporting rod 30 is provided with a bulge, when the supporting rod 30 is accommodated in the first concave cavity 11, the bulge is in abutting fit with the two side cavity walls of the opening end of the first concave cavity 11

In this embodiment, by providing the elastic latch 33, the automatic opening of the support rod 30 is avoided, and the reliability of the support in the storage state is improved.

Further preferably, the sliding portion 21 is connected to the X-shaped arm 20 through a fastener, and a guiding inclined surface 211 is provided on a side of the sliding portion 21 facing the support bar 30, and a stop surface 212 is provided on a side of the sliding portion 21 facing the support bar 40, wherein the support bar 40 is clamped between the stop surface 212 and the bottom of the second cavity 12, and when the sliding portion 21 moves toward the support bar 30, the support bar 30 is rotated in a direction away from the bottom of the first cavity 11 through the guiding inclined surface 211, and the abutment between the elastic latch 33 and the wall of the first cavity 11 is released, and at the same time, the contact between the stop surface 212 and the support bar 40 is released, so that the support bar 40 is rotated in a direction away from the bottom of the second cavity 12, and the rotation direction of the support bar 30 is consistent with the rotation direction of the support bar 40.

Preferably, a first limiting structure 50 and a second limiting structure 60 are disposed on the panel 10, and the first limiting structure 50 and the second limiting structure 60 are respectively located on the rotation tracks of the support rod 30 and the support leg 40, wherein the maximum rotation angles of the support rod 30 and the support leg 40 are respectively controlled by the first limiting structure 50 and the second limiting structure 60, and when the support is unfolded, the support rod 30 and the support leg 40 are respectively rotated to be in corresponding butt joint with the first limiting structure 50 and the second limiting structure 60 under the action of the first torsion spring 32 and the second torsion spring 42.

It should be noted that the first limiting structure 50 is movably connected with the panel 10, and the second limiting structure 60 is fixedly connected with the panel 10, wherein the maximum rotation angle of the support rod 30 is adjusted by moving the first limiting structure 50 along the length direction of the panel 10.

Further, the second limiting structure 60 is integrally provided with the panel 10.

Further preferably, the panel 10 is provided with a sliding rail 13 in sliding fit with the first limiting structure 50, a plurality of clamping grooves 14 are formed in the sliding rail 13 along the moving direction of the first limiting structure 50, and a clamping hook 51 is arranged on the first limiting structure 50, wherein the clamping hook 51 on the first limiting structure 50 is in clamping fit with the clamping grooves 14 on different positions through the movement of the first limiting structure 50.

In this embodiment, through the first limiting structure 50, not only can the turning angle of the support rod 30 be limited, a good support is provided for the support in the unfolded state, but also the maximum turning angle of the support rod 30 is adjusted through the movement of the first limiting structure 50, so that the support of different angles of the support is realized, and the flexibility of the use of the support is improved.

Preferably, the first limiting structure 50 includes a sliding seat 52 slidingly engaged with the sliding rail 13, and one end of the sliding seat 52 is in abutting engagement with the supporting rod 30 in the unfolded state, and the other end of the sliding seat 52 is in rotary connection with a switch 54 through a pin 53, wherein the hook 51 is disposed on the switch 54; the spring 55, both ends link to each other with switch 54 and slide 52 respectively, and the hookup location of spring 55 and the hookup location of pothook 51 on the switch 54 are located the both ends of switch 54 respectively.

It should be noted that, by providing the spring 55, on one hand, the switch 54 in a pressed state can be automatically reset, on the other hand, the clamping force between the clamping hook 51 and the clamping groove 14 on the switch 54 is enhanced, the phenomenon that the clamping hook 51 is separated from the clamping groove 14 when the bracket is used is avoided, and the reliability of the bracket is improved.

It is further preferred that a sliding groove 15 is further provided on the panel 10 along the moving direction of the sliding groove 52, and the sliding groove 15 and the sliding rail 13 are disposed up and down along the thickness direction of the panel 10, wherein a screw 56 slidingly engaged with the sliding groove 15 is provided on the sliding groove 52, and the degree of freedom of the sliding groove 52 in the vertical direction is defined by the screw 56.

In the present embodiment, by providing the slide groove 15 and the screw 56, the degree of freedom in the vertical direction of the slide carriage 52 is restricted so that the slide carriage 52 can only move in the direction of the slide rail 13, and also the installation of the slide carriage 52 on the panel 10 is facilitated.

It should be noted that the description of the present utility model as it relates to "first", "second", "a", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. The terms "coupled," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally formed, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. A folding stent, comprising:

the two panels (10) are connected through an X-shaped expanding arm (20), and the folding and unfolding of the X-shaped expanding arm (20) are realized through opposite or opposite movement between the two panels (10), wherein one end of the X-shaped expanding arm (20) is rotationally connected with the panels (10), the other end of the X-shaped expanding arm (20) is provided with a sliding part (21), and the sliding part (21) is in sliding fit with the panels (10);

the two support rods (30) are respectively and rotatably connected with the corresponding panel (10) through first rotating shafts (31), and first torsion springs (32) for automatically bouncing up the support rods (30) are arranged on the first rotating shafts (31);

wherein, when the bracket is in a folded state, the support rod (30) is locked in the corresponding panel (10); when the bracket is unfolded, the locking corresponding to the support rod (30) is released through the movement of the sliding part (21), so that the corresponding support rod (30) is unfolded to a preset position under the action of the first torsion spring (32).

2. A folding bracket according to claim 1, further comprising two legs (40) rotatably connected to the corresponding panel (10) by means of a second rotation shaft (41), respectively, and a second torsion spring (42) being provided on the second rotation shaft (41) for automatically bouncing up the legs (40);

wherein, when the bracket is in a folded state, the supporting rod (30) and the supporting leg (40) are synchronously locked in the corresponding panel (10); when the bracket is unfolded, through the movement of the sliding part (21), the locking of the corresponding support rod (30) and the corresponding support leg (40) is synchronously released, so that the corresponding support rod (30) and the corresponding support leg (40) are unfolded to a preset position under the action of the first torsion spring (32) and the second torsion spring (42) respectively.

3. A folding bracket according to claim 2, characterized in that the panel (10) is provided with a first cavity (11) for receiving the support bar (30) and a second cavity (12) for receiving the leg (40), wherein the support bar (30) is locked in the first cavity (11) by an abutting fit with the cavity wall of the first cavity (11), the leg (40) is locked in the second cavity (12) by the clamping between the glide (21) and the cavity bottom of the second cavity (12), and the first cavity (11) communicates with the second cavity (12) and takes the first cavity (11) as a moving space for the glide (21).

4. A folding bracket according to claim 3, characterized in that the support bar (30) is provided with a resilient latch (33) and the compression and extension directions of the resilient latch (33) are mutually parallel to the axial direction of the first shaft (31), wherein the resilient latch (33) is in a compressed state when the support bar (30) is received in the first cavity (11) and the resilient latch (33) forms an abutting fit with the side wall of the first cavity (11), locking the support bar (30) in the first cavity (11); or the side wall of the supporting rod (30) is provided with a bulge, and when the supporting rod (30) is contained in the first concave cavity (11), the bulge is in butt fit with the cavity walls at the two sides of the opening end of the first concave cavity (11).

5. The folding bracket as claimed in claim 4, characterized in that the sliding part (21) is connected to the X-shaped expanding arm (20) through a fastener, a guide inclined surface (211) is arranged on one side of the sliding part (21) facing the supporting rod (30), a stop surface (212) is arranged on one side of the sliding part (21) facing the supporting leg (40), wherein the supporting leg (40) is clamped between the stop surface (212) and the cavity bottom of the second cavity (12), and when the sliding part (21) moves towards the supporting rod (30), the supporting rod (30) is extruded out of the first cavity (11) through the guide inclined surface (211), and meanwhile, the contact between the stop surface (212) and the supporting leg (40) is released, so that the supporting leg (40) rotates in a direction away from the cavity bottom of the second cavity (12).

6. A foldable stand according to claim 1 or 2, wherein a first limit structure (50) is provided on the panel (10), the first limit structure (50) is located on a rotation track of the support rod (30), the maximum rotation angle of the support rod (30) is controlled by the first limit structure (50), and when the stand is unfolded, the support rod (30) rotates to be in corresponding abutting connection with the first limit structure (50) under the action of the first torsion spring (32).

7. The foldable stand of claim 6, wherein the first limiting structure (50) is movably connected with the panel (10), and the maximum rotation angle of the support rod (30) is adjusted by moving the first limiting structure (50) along the length direction of the panel (10).

8. The foldable stand as claimed in claim 6, wherein the panel (10) is provided with a sliding rail (13) which forms a sliding fit with the first limiting structure (50), a plurality of clamping grooves (14) are formed in the sliding rail (13) along the moving direction of the first limiting structure (50), and a clamping hook (51) is arranged on the first limiting structure (50), wherein the clamping hook (51) is in clamping fit with the clamping grooves (14) at different positions through the movement of the first limiting structure (50).

9. A folding bracket according to claim 8, characterized in that the first limit structure (50) comprises a slide (52) slidingly engaging the slide rail (13), and that at one end of the slide (52) an abutting engagement is formed with the support bar (30) in the unfolded state and at the other end of the slide (52) a rotary connection is formed with a switch (54), wherein the catch (51) is arranged on the switch (54); the two ends of the spring (55) are respectively connected with the switch (54) and the sliding seat (52), and the connection position of the spring (55) on the switch (54) and the connection position of the clamping hook (51) are respectively positioned at the two ends of the switch (54).

10. A folding bracket according to claim 9, characterized in that the panel (10) is further provided with a chute (15) along the direction of movement of the slide (52), and that the chute (15) and the slide rail (13) are arranged up and down in the thickness direction of the panel (10), wherein the slide (52) is provided with a screw (56) in sliding engagement with the chute (15), and that the degree of freedom of the slide (52) in the vertical direction is limited by the screw (56).