CN219432981U

CN219432981U - Lockable folding bracket

Info

Publication number: CN219432981U
Application number: CN202320464029.XU
Authority: CN
Inventors: 黄传芳
Original assignee: Dongguan Xunrui Precision Hardware Co ltd
Current assignee: Dongguan Jingyue Smart Home Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-28
Anticipated expiration: 2033-03-10

Abstract

The utility model relates to the field of articles for daily use, in particular to a lockable folding bracket. The support rod comprises a bottom plate, a top plate and a support rod assembly for supporting the bottom plate and the top plate, wherein the support rod assembly comprises a support rod a and a support rod b; one end of the supporting rod a is in damping rotation connection with the bottom plate, the other end of the supporting rod a is provided with a sliding frame in a sliding manner, the end part of the sliding frame is provided with a clamping rod, and an elastic piece a is connected between the sliding frame and the supporting rod a; one end of the supporting rod b is rotationally connected with the top plate in a damping way, the other end of the supporting rod b is provided with a limiting column part rotationally connected with the other end of the supporting rod a, and a plurality of clamping grooves for clamping the clamping rods are uniformly formed in the limiting column part in a fan shape. The utility model has the advantages of labor saving and convenience in adjustment and wider adjustment height range.

Description

Lockable folding bracket

Technical Field

The utility model relates to the field of articles for daily use, in particular to a lockable folding bracket.

Background

In daily life, people are in habit of learning, entertainment and working in various places and sites in pursuit of free and convenient life style. However, in learning or working in various places, a handheld device such as a handheld book, a computer, or the like is often required. However, this results in poor office and learning experience. Therefore, products such as computer brackets or reading frames exist at present so as to be convenient to use in places such as beds, sofas and grounds, and used for supporting books or computers so as to facilitate study and office work of people.

Chinese patent publication No. CN206314784U discloses a folding bracket, which can rapidly adjust the angle and height of the bracket, thereby meeting different requirements and achieving the best viewing angle effect; after the use, the folding type portable electric bicycle can be folded, and is convenient to carry and store; simple structure, light weight and convenient carrying, is suitable for mobile phones and tablet computers with various sizes, and is very convenient to use.

However, the above-mentioned patent has the following disadvantages:

when adjusting angle and the height of support, rely on the damping when rotating to support, if the damping is too big, it is more laborious to adjust, if the damping is less, then bearing capacity is limited. Moreover, the height adjustment range of the folding bracket is limited.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a lockable folding bracket which is labor-saving and convenient to adjust and has a larger adjusting height range.

According to the technical scheme, the lockable folding bracket comprises a bottom plate, a top plate and a support rod assembly for supporting the bottom plate and the top plate, wherein the support rod assembly comprises a support rod a and a support rod b;

one end of the supporting rod a is in damping rotation connection with the bottom plate, the other end of the supporting rod a is provided with a sliding frame in a sliding manner, the end part of the sliding frame is provided with a clamping rod, and an elastic piece a is connected between the sliding frame and the supporting rod a;

one end of the supporting rod b is rotationally connected with the top plate in a damping way, the other end of the supporting rod b is provided with a limiting column part rotationally connected with the other end of the supporting rod a, and a plurality of clamping grooves for clamping the clamping rods are uniformly formed in the limiting column part in a fan shape.

Preferably, the sliding frame comprises a sliding button and a sliding frame which are in sliding connection with the supporting rod a, an anti-slip strip is arranged on the sliding button, the sliding button is provided with a sliding block part, the clamping rod is arranged on the sliding button, two ends of the elastic piece a are respectively connected with the sliding frame and the supporting rod a, the sliding frame is connected with the sliding block part, a sliding groove for installing the sliding frame is arranged on the supporting rod a, a through sliding way for sliding the sliding block part is arranged on the sliding groove, and a sliding channel for sliding the clamping rod is arranged on the supporting rod a.

Preferably, the bottom plate comprises a support plate assembly and a rotation adjusting assembly, the rotation adjusting assembly comprises a support, a connecting ring, a connecting cylinder, screws, elastic parts b and rigid balls, the support a is in damping rotation connection with the support, the support is arranged on the support, the support is in rotation connection with the support plate assembly, the connecting ring is arranged at the bottom of the support, the connecting cylinder is arranged on the support in a penetrating manner, the screws are in threaded connection with the connecting cylinder, two ends of the elastic parts b are respectively abutted to the screws and the rigid balls, and the elastic parts b are positioned on the inner side of the connecting cylinder; the support plate component is uniformly provided with a plurality of grooves for clamping in the rigid balls in a round shape.

Preferably, the groove is a spherical arc groove which is matched with the rigid sphere, and the sphere center of the spherical arc groove is higher than the top end of the groove.

Preferably, the elastic member a and the elastic member b are compression springs.

Preferably, the support plate assembly comprises a support plate a, a support plate b, screws and a connecting sleeve, wherein the grooves are formed in the support plate a, the support plate b, the support plate a and the support are sequentially distributed from bottom to top, the support plate b and the support plate a are in X-shaped rotary connection through the connecting sleeve, and the screws are in threaded connection with the support and penetrate through and are abutted to the connecting sleeve.

Preferably, the top plate comprises a support plate c and a support plate d, the support plate c and the support plate d are in X-shaped rotation connection, and the support plate c is in damping rotation connection with the support rod b.

Preferably, a baffle a is arranged at the lower end of the supporting plate c, and a baffle b is arranged at the lower end of the supporting plate d.

Preferably, the bottom plate bottom is provided with slipmat a, and the roof top is provided with slipmat b.

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

the utility model has the advantages of labor saving and convenient adjustment, the support rod a and the support rod b can be adjusted to the parallel position, the support rod a and the support rod b can be also adjusted to the fully-unfolded position, and the adjustment height range is larger. When the height of the whole folding bracket needs to be adjusted, the adjustment can be performed by rotating the supporting rod a, and the height adjustment can be realized by adjusting the folding degree of the supporting rod a and the supporting rod b. The inclination angle of the notebook computer or the book can be realized by adjusting the angle of the top plate. When not using this folding support, can adjust bracing piece b and bracing piece a to the position side by side, then rotate bracing piece a to the position of pasting the bottom plate, adjust the roof to the position of pasting with bracing piece b at last, finally can adjust whole folding support to occupation space minimum degree, conveniently accomodate and carry.

When the folding bracket is used, a notebook computer or a book is placed on the top plate, stress points of the whole bracket are mainly concentrated at the joint of the support rod a and the support rod b, firm limiting support can be realized by clamping the clamping rod into the clamping groove, and the bearing capacity of the whole bracket is ensured. When the relative angle of the support rod a and the support rod b is adjusted, the sliding frame is pulled towards the direction away from the clamping groove, the sliding frame drives the clamping rod to move, the elastic piece a is compressed and stores elastic potential energy, the clamping rod moves away from the clamping groove, the limit of the limit column part is relieved, and at the moment, the relative angle of the support rod a and the support rod b can be adjusted through rotation. After the adjustment is finished, the sliding frame is loosened, the elastic piece a releases elastic potential energy and pushes the sliding frame to move reversely, the sliding frame drives the clamping rod to move until the clamping rod is clamped at clamping grooves in other directions on the limiting column part, limiting locking of the limiting column part is achieved, deflection is prevented, and the bearing capacity of the whole bracket is effectively guaranteed.

Drawings

FIG. 1 is a perspective view of a front view structure of an embodiment of the present utility model;

FIG. 2 is a partial cross-sectional view of an embodiment of the present utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a rear perspective view of an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of the folded embodiment of the present utility model.

Reference numerals: 1. a supporting rod a; 101. a chute; 102. a slideway; 2. a support rod b; 21. a limit column part; 211. a clamping groove; 3. a slide button; 31. a slider part; 4. a clamping rod; 5. a carriage; 6. an elastic member a; 7. a bracket; 8. a support; 9. a connecting ring; 10. a connecting cylinder; 11. a screw; 12. an elastic member b; 13. a rigid ball; 14. a supporting plate a; 141. a groove; 15. a support plate b; 16. a screw; 17. connecting sleeves; 18. a support plate c; 181. a baffle a; 19. a support plate d; 191. a baffle b.

Detailed Description

Example 1

As shown in fig. 1 to 6, a lockable folding bracket according to this embodiment includes a bottom plate, a top plate, and a support bar assembly for supporting the bottom plate and the top plate, where the support bar assembly includes a support bar a1 and a support bar b2.

One end of the supporting rod a1 is rotationally connected with the bottom plate in a damping way, the other end of the supporting rod a1 is slidably provided with a sliding frame, the end part of the sliding frame is provided with a clamping rod 4, an elastic piece a6 is connected between the sliding frame and the supporting rod a1, the elastic piece a6 can be a compression spring, the cost is low, and the assembly and the disassembly are convenient.

One end of the supporting rod b2 is rotationally connected with the top plate in a damping way, the other end of the supporting rod b2 is provided with a limiting column part 21 rotationally connected with the other end of the supporting rod a1, a plurality of clamping grooves 211 for clamping the clamping rods 4 are uniformly formed in the limiting column part 21 in a fan shape, the clamping rods 4 are clamped into the clamping grooves 211 in different directions through adjustment, limiting and deflection preventing of the limiting column part 21 in different directions can be achieved through the clamping rods 4, and therefore limiting of the supporting rod b2 is achieved. The damping of the bottom end of the support rod a1, the damping of the top end of the support rod b2 and the locking limit of the joint of the support rod a1 and the support rod b2 can cooperate, so that the whole support forms a triangular stable support structure, and the stress point is mainly at the locking position, so that the resistance of the damping of the bottom end of the support rod a1 and the damping of the top end of the support rod b2 can be designed to be lower, the operation is more convenient, and the bearing capacity and the stability of the whole support can be still ensured.

The whole folding bracket can also change the positions of the bottom plate and the top plate, and the positions of the supporting rods a1 and b2 are changed, so that the position change is only involved, the specific structure is the same, and only one expression form is changed.

The bottom plate bottom is provided with slipmat a, improves the stability when whole support is placed. The top of the top plate is provided with an anti-slip pad b, so that friction between the anti-slip pad b and a placed notebook computer or a book is improved.

The embodiment is labor-saving and convenient to adjust, the supporting rods a1 and b2 can be adjusted to the side-by-side positions, and can be also adjusted to the fully-unfolded positions, and the adjusting height range is larger. When the height of the whole folding bracket needs to be adjusted, the adjustment can be performed by rotating the supporting rod a1, and the adjustment of the height can be realized by adjusting the folding degree of the supporting rod a1 and the supporting rod b2. The inclination angle of the notebook computer or the book can be realized by adjusting the angle of the top plate. When not using this folding support, can adjust bracing piece b2 and bracing piece a1 to the position side by side, then rotate bracing piece a1 to the position of pasting the bottom plate, adjust the roof to the position of pasting with bracing piece b2 at last, finally can adjust whole folding support to occupation space minimum degree, conveniently accomodate and carry.

When the folding bracket is used, a notebook computer or a book is placed on the top plate, stress points of the whole bracket are mainly concentrated at the joint of the support rod a1 and the support rod b2, firm limit support can be realized by clamping the clamping rod 4 into the clamping groove 211, and the bearing capacity of the whole bracket is ensured. When the relative angle of the support rod a1 and the support rod b2 is adjusted, the sliding frame is pulled away from the clamping groove 211, the sliding frame drives the clamping rod 4 to move, the elastic piece a6 is compressed and stores elastic potential energy, the clamping rod 4 moves away from the clamping groove 211, the limit of the limit column part 21 is released, and at the moment, the relative angle of the support rod a1 and the support rod b2 can be adjusted through rotation. After the adjustment is finished, the sliding frame is loosened, the elastic piece a6 releases elastic potential energy and pushes the sliding frame to move reversely, the sliding frame drives the clamping rod 4 to move until the clamping rod 4 is clamped at clamping grooves 211 in other directions on the limiting column part 21, limiting locking of the limiting column part 21 is achieved, deflection is prevented, and the bearing capacity of the whole bracket is effectively guaranteed.

Example two

As shown in fig. 2 and 3, in the lockable folding bracket according to the present embodiment, compared with the first embodiment, the sliding frame includes a sliding button 3 slidably connected with a supporting rod a1 and a sliding frame 5, an anti-slip strip is disposed on the sliding button 3, the sliding button 3 has a sliding block portion 31, a clamping rod 4 is disposed on the sliding button 3, two ends of an elastic member a6 are respectively connected with the sliding frame 5 and the supporting rod a1, the sliding frame 5 is connected with the sliding block portion 31, a sliding groove 101 for installing the sliding frame 5 is disposed on the supporting rod a1, a through sliding way 102 for sliding the sliding block portion 31 is disposed on the sliding groove 101, and a sliding channel for sliding the clamping rod 4 is disposed on the supporting rod a 1. When the sliding frame is adjusted, the sliding button 3 is pulled to adjust, the sliding button 3 drives the sliding frame 5 to slide through the sliding block part 31, the sliding frame 5 compresses the elastic piece a6, and the clamping rod 4 moves away from the clamping groove 211. At this time, the support rod b2 can be rotated, when the required angle is reached, the sliding button 3 is loosened, the elastic piece a6 rebounds, the clamping rod 4 is clamped into the aligned clamping groove 211 at this time to limit, and the structure is simple and the adjustment is convenient.

As shown in fig. 2 and 4, the bottom plate comprises a supporting plate component and a rotation adjusting component, the rotation adjusting component comprises a bracket 7, a support 8, a connecting ring 9, a connecting cylinder 10, a screw 11, an elastic piece b12 and a rigid ball 13, the supporting rod a1 is connected with the bracket 7 in a damping rotation manner, the bracket 7 is arranged on the support 8, the support 8 is connected with the supporting plate component in a rotation manner, the connecting ring 9 is arranged at the bottom of the support 8, the connecting cylinder 10 is arranged on the support 8 in a penetrating manner, the screw 11 is in threaded connection with the connecting cylinder 10, two ends of the elastic piece b12 are respectively abutted to the screw 11 and the rigid ball 13, the elastic piece b12 is positioned at the inner side of the connecting cylinder 10, and the elastic piece b12 can be a compression spring, so that the cost is low; the support plate assembly is uniformly provided with a plurality of grooves 141 in which the rigid balls 13 are caught in a circular shape. The degree of abutting the rigid ball 13 by the elastic piece b12 can be achieved through adjusting the position of the screw 11, and when the abutting degree is highest, the rigid ball 13 is firmly clamped at the groove 141, so that relative rotation between the support 8 and the support plate assembly can be effectively prevented. When the screw 11 is adjusted upwards, the elastic piece b12 can be loosened, and when the support 8 is rotated, the support 8 drives the rigid ball 13 to move, and when the rigid ball 13 is clamped into the other grooves 141, a 'click' sound appears, so that the adjustment direction is successful. If the 'click' is to be reduced or even avoided, the screw 11 can be turned upwards again, so that the sound of the rigid ball 13 during movement is reduced or even reduced to a level that is not recognized by the hearing of the user, and the adjustment process is quieter.

As shown in fig. 4, the groove 141 is a spherical arc groove matching with the rigid ball 13, and the center of the spherical arc groove is higher than the top end of the groove 141, so that the rigid ball 13 can be smoothly clamped into the spherical arc groove and can be smoothly moved out of the spherical arc groove during rotation, and the situation that the rigid ball 13 and the groove 141 cannot realize rotation adjustment due to interference can not occur.

Example III

As shown in fig. 1-6, in the lockable folding bracket according to the present embodiment, compared with the second embodiment, the supporting plate assembly includes a supporting plate a14, a supporting plate b15, a screw 16 and a connecting sleeve 17, the groove 141 is located on the supporting plate a14, the supporting plate b15, the supporting plate a14 and the support 8 are sequentially distributed from bottom to top, the supporting plate b15 and the supporting plate a14 are in an "X" shape rotation connection through the connecting sleeve 17, the screw 16 is in threaded connection with the support 8 and penetrates and abuts on the connecting sleeve 17, and then the supporting plate b15 and the supporting plate a14 can be unfolded in an "X" shape to expand stability during placement, and can also be completely folded to reduce occupied space to facilitate storage.

The top plate comprises a supporting plate c18 and a supporting plate d19, the supporting plate c18 and the supporting plate d19 are in X-shaped rotary connection, and the supporting plate c18 is in damping rotary connection with the supporting rod b2. Likewise, support panel c18 and support panel d19 can be unfolded or folded for storage in a manner similar to the adjustment of support panel a14 and support panel b 15.

The lower end of the support plate c18 is provided with a baffle a181, the lower end of the support plate d19 is provided with a baffle b191, and when a book or a notebook computer is placed on the support plate c18 and the support plate d19, the baffle a181 and the baffle b191 can play a supporting and limiting role at the lower part to prevent the placed articles from falling off.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a lockable folding support, includes bottom plate and roof, its characterized in that is connected with the bracing piece subassembly that is used for getting up bottom plate and roof between bottom plate and the roof, and the bracing piece subassembly includes:

one end of the supporting rod a (1) is in damping rotation connection with the bottom plate, the other end of the supporting rod a is provided with a sliding frame in a sliding manner, the end part of the sliding frame is provided with a clamping rod (4), and an elastic piece a (6) is connected between the sliding frame and the supporting rod a (1);

one end of the supporting rod b (2) is rotationally connected with the top plate in a damping way, the other end of the supporting rod b (2) is provided with a limiting column part (21) rotationally connected with the other end of the supporting rod a (1), and a plurality of clamping grooves (211) for clamping the clamping rods (4) are uniformly formed in the limiting column part (21) in a fan shape.

2. The lockable folding bracket as claimed in claim 1, characterized in that the sliding frame comprises a sliding button (3) and a sliding frame (5) which are slidably connected with the supporting rod a (1), a sliding prevention strip is arranged on the sliding button (3), the sliding button (3) is provided with a sliding block part (31), the clamping rod (4) is arranged on the sliding button (3), two ends of the elastic piece a (6) are respectively connected with the sliding frame (5) and the supporting rod a (1), the sliding frame (5) is connected with the sliding block part (31), a sliding groove (101) for the sliding frame (5) to install is arranged on the supporting rod a (1), a through sliding way (102) for the sliding block part (31) to slide is arranged on the sliding groove (101), and a sliding channel for the clamping rod (4) to slide is arranged on the supporting rod a (1).

3. The lockable folding bracket according to claim 1 or 2, characterized in that the bottom plate comprises a supporting plate component and a rotation adjusting component, the rotation adjusting component comprises a bracket (7), a support (8), a connecting ring (9), a connecting cylinder (10), a screw (11), an elastic piece b (12) and a rigid ball (13), the supporting rod a (1) is in damping rotation connection with the bracket (7), the bracket (7) is arranged on the support (8), the support (8) is in rotation connection with the supporting plate component, the connecting ring (9) is arranged at the bottom of the support (8), the connecting cylinder (10) is arranged on the support (8) in a penetrating way, the screw (11) is in threaded connection with the connecting cylinder (10), two ends of the elastic piece b (12) are respectively abutted on the screw (11) and the rigid ball (13), and the elastic piece b (12) is positioned on the inner side of the connecting cylinder (10); the supporting plate component is uniformly provided with a plurality of grooves (141) for clamping in the rigid balls (13) in a round shape.

4. A lockable folding support according to claim 3, characterized in that the recess (141) is a spherical arc-shaped recess which coincides with the rigid sphere (13) and the centre of the sphere of the spherical arc-shaped recess is higher than the top of the recess (141).

5. A lockable folding support according to claim 3, characterized in that the elastic element a (6) and the elastic element b (12) are compression springs.

6. A lockable folding support according to claim 3, characterized in that the support plate assembly comprises a support plate a (14), a support plate b (15), a screw (16) and a connecting sleeve (17), the groove (141) is arranged on the support plate a (14), the support plate b (15), the support plate a (14) and the support (8) are distributed in sequence from bottom to top, the support plate b (15) and the support plate a (14) are in an 'X' -shaped rotary connection through the connecting sleeve (17), and the screw (16) is in threaded connection with the support (8) and penetrates and abuts on the connecting sleeve (17).

7. The lockable folding bracket of claim 6, wherein the top plate comprises a support plate c (18) and a support plate d (19), the support plate c (18) and the support plate d (19) are connected in an X-shaped rotation, and the support plate c (18) is connected with the support rod b (2) in a damped rotation.

8. A lockable folding bracket according to claim 7, characterized in that the support plate c (18) is provided with a stop a (181) at its lower end and the support plate d (19) is provided with a stop b (191) at its lower end.

9. The lockable folding support of claim 1, wherein the bottom plate has a skid pad a at the bottom and a skid pad b at the top of the top plate.