CN213097105U

CN213097105U - Self-locking sofa leg

Info

Publication number: CN213097105U
Application number: CN202022385225.7U
Authority: CN
Inventors: 刘奇鑫
Original assignee: Shenzhen Lexin Hardware Co ltd
Current assignee: Shenzhen Lexin Hardware Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-05-04
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a from locking-type sofa foot, which comprises a supporting pedestal and is characterized by further comprising, upper portion activity chamber has been seted up at support housing's top, lower part activity chamber has been seted up to support housing's bottom, one side of support housing is rotated and is connected with the movable rod, the one end fixedly connected with fixed block of movable rod, the first bevel gear of other end fixedly connected with of movable rod, first bevel gear's surface toothing is connected with second bevel gear, the interior bottom in upper portion activity chamber is rotated and is connected with the lead screw, the top threaded connection of lead screw has the thread block, the top fixedly connected with backup pad of thread block. Through setting up the lead screw, rotating the fixed block for the lead screw carries out altitude mixture control to the screw thread piece, because the screw thread interlock of lead screw and screw thread piece makes the backup pad carry out the outrigger to the sofa, thereby when the sofa foot body that goes up and down, reaches the purpose of auto-lock, and easy operation and convenience have improved the practicality when sofa foot uses then.

Description

Self-locking sofa leg

Technical Field

The utility model belongs to the technical field of the sofa foot, concretely relates to from locking-type sofa foot.

Background

A sofa, which is a multi-seat chair with cushions. The back rest chair with spring or thick foamed plastic has armrests on two sides, and may be one kind of soft furniture, including functional sofa, fixed back sofa, stepless automatic control sofa, pneumatic sofa, electric sofa, etc.

Current sofa supports the sofa through the sofa foot, however when current sofa foot carries out altitude mixture control, the unable convenient auto-lock of majority is mostly fixing bolt to it is fixed to it uses comparatively inconveniently to the sofa foot, thereby has reduced the practicality when the sofa foot uses.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a from locking-type sofa foot through setting up the lead screw, rotates the fixed block for the lead screw carries out altitude mixture control to the screw thread piece, because the screw thread interlock of lead screw and screw thread piece makes the backup pad carry out the outrigger to the sofa, thereby when the sofa foot body that goes up and down, reaches the purpose of auto-lock, easy operation and convenience have improved the practicality when the sofa foot uses then.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a from locking-type sofa foot, includes the support housing, upper portion activity chamber has been seted up at the top of support housing, lower part activity chamber has been seted up to the bottom of support housing, one side of support housing is rotated and is connected with the movable rod, the one end fixedly connected with fixed block of movable rod, the first bevel gear of the other end fixedly connected with of movable rod, the surface toothing of first bevel gear is connected with second bevel gear, the interior bottom of upper portion activity chamber is rotated and is connected with the lead screw, the top threaded connection of lead screw has the screw block, the top fixedly connected with backup pad of screw block, four mounting holes have been seted up at the top of backup pad, the both sides fixedly connected with stopper of screw block, the spacing groove has been seted up to the inside both.

As a preferred technical scheme of the utility model, the inside top in lower part activity chamber articulates there are two dead levers, the other end of dead lever articulates there is the slider, two telescopic links of lower part activity intracavity inside top fixedly connected with, and the other end fixedly connected with of telescopic link supports the base, the surface of telescopic link is provided with buffer spring, the spout has been seted up on the top of supporting the base, the middle part fixedly connected with tension spring of dead lever, support two movable blocks of the outer fixed surface of base, two movable grooves have been seted up to support shell's bottom surface.

As an optimal technical scheme of the utility model, the spacing groove is sliding connection with the stopper, the opening width of spacing groove and the width looks adaptation of stopper.

As a preferred technical scheme of the utility model, the cross section diameter of screw thread piece and the open-top cross section diameter looks adaptation in upper portion activity chamber.

As an optimal technical scheme of the utility model, the bottom of lead screw is provided with the bearing with the interior bottom contact jaw in upper portion activity chamber, the surface of movable rod is provided with the bearing with the surface contact jaw of support housing.

As an optimal technical scheme of the utility model, the activity groove is sliding connection with the movable block, and the opening width in activity groove and the width looks adaptation of movable block.

As an optimal technical scheme of the utility model, the bottom of supporting the base is provided with the rubber pad, and the bottom of rubber pad is provided with anti-skidding line.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the fixing block is rotated by arranging the screw rod, so that the screw rod can adjust the height of the threaded block, and the supporting plate can stably support the sofa due to the engagement of the screw rod and the threads of the threaded block, so that the self-locking purpose is achieved when the sofa foot body is lifted, the operation is simple and convenient, and the practicability of the sofa foot in use is improved;

2. through setting up damping device, the effectual reduction vibrations are to the influence of sofa foot body to the life of sofa foot body has been prolonged, and through setting up the rubber pad, prevents that the sofa foot from using for a long time and causing wearing and tearing to ground, has improved the practicality when sofa foot uses then.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional front view of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the structure at B of fig. 2 according to the present invention.

Wherein: 1. a support housing; 2. an upper movable chamber; 3. a lower movable chamber; 4. a fixed block; 5. a movable rod; 6. a first bevel gear; 7. a second bevel gear; 8. a screw rod; 9. a thread block; 10. a support plate; 11. mounting holes; 12. a limiting block; 13. a limiting groove; 14. a support base; 15. a movable groove; 16. a movable block; 17. a telescopic rod; 18. a buffer spring; 19. fixing the rod; 20. a slider; 21. a chute; 22. a tension spring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, a self-locking sofa leg comprises a supporting shell 1, an upper movable cavity 2 is arranged at the top of the supporting shell 1, a lower movable cavity 3 is arranged at the bottom of the supporting shell 1, a movable rod 5 is rotatably connected to one side of the supporting shell 1, a fixed block 4 is fixedly connected to one end of the movable rod 5, a first bevel gear 6 is fixedly connected to the other end of the movable rod 5, a second bevel gear 7 is connected to the outer surface of the first bevel gear 6 in a meshed manner, a lead screw 8 is rotatably connected to the inner bottom of the upper movable cavity 2, a threaded block 9 is connected to the top end of the lead screw 8, a supporting plate 10 is fixedly connected to the top end of the threaded block 9, four mounting holes 11 are arranged at the top of the supporting plate 10, limiting blocks 12 are fixedly connected to two sides;

the sofa is connected with the sofa through the supporting plate 10, the supporting plate 10 and the sofa are fixed through the mounting hole 11 by the fixing bolt, when the sofa feet need to be adjusted, the movable rod 5 is driven to rotate when the fixed block 4 rotates by rotating the fixed block 4, the first bevel gear 6 is meshed with the second bevel gear 7, when the movable rod 5 rotates, the second bevel gear 7 rotates, the screw rod 8 is driven to be in threaded connection when the second bevel gear 7 rotates, the threaded block 9 is limited by the sliding connection of the limiting block 12 and the mounting hole 11, the threaded block 9 is driven to vertically move when the screw rod 8 rotates, the supporting plate 10 is adjusted, the threaded engagement between the screw rod 8 and the threaded block 9 is realized, the sofa feet can be adjusted in height, the self-locking purpose is achieved, and the operation is simple and convenient, the practicability of the sofa foot is improved.

In other embodiments, two fixed rods 19 are hinged to the top end inside the lower movable cavity 3, a sliding block 20 is hinged to the other end of each fixed rod 19, two telescopic rods 17 are fixedly connected to the top end inside the lower movable cavity 3, the other end of each telescopic rod 17 is fixedly connected with a supporting base 14, a buffer spring 18 is arranged on the outer surface of each telescopic rod 17, a sliding groove 21 is formed in the top end of each supporting base 14, a tension spring 22 is fixedly connected to the middle of each fixed rod 19, two movable blocks 16 are fixedly connected to the outer surface of each supporting base 14, and two movable grooves 15 are formed in the outer surface of the;

when the supporting base 14 is in contact with the ground, when the supporting base 14 is under pressure, the top of the supporting base 14 is extruded with the inside of the lower movable cavity 3, the supporting base 14 is supported through the elastic deformation of the telescopic rod 17, and the fixed rod 19 is moved, when the fixed rod 19 is moved, the sliding block 20 is pushed to slide in the sliding groove 21, the two fixed rods 19 are pulled through the elastic tension of the tension spring 22, so that the fixed rod 19 buffers and supports the supporting base 14 and the lower movable cavity 3, and the movable groove 15 is in sliding connection with the movable block 16 to limit the supporting base 14, so that the stability of the supporting base 14 in use is improved, by arranging the damping device, the influence of vibration on the sofa foot body is effectively reduced, so that the service life of the sofa foot body is prolonged, and by arranging the rubber pad, the abrasion of the sofa feet to the ground due to long-term use is prevented, and the practicability of the sofa feet in use is improved.

In other embodiments, the limiting groove 13 is slidably connected with the limiting block 12, and the opening width of the limiting groove 13 is matched with the width of the limiting block 12; so as to limit the thread block 9, and drive the thread block 9 to perform linear motion when the screw rod 8 rotates.

In other embodiments, the cross-sectional diameter of the thread block 9 is matched with the cross-sectional diameter of the top opening of the upper movable cavity 2; so that the stability of the screw block 9 is improved when the screw block 9 is moved.

In other embodiments, a bearing is arranged at the contact end of the bottom end of the screw rod 8 and the inner bottom of the upper movable cavity 2, and a bearing is arranged at the contact end of the outer surface of the movable rod 5 and the outer surface of the support shell 1; through setting up the bearing to carry on spacingly to lead screw 8 and movable rod 5, thereby improve the stability when sofa foot uses.

In other embodiments, the movable slot 15 is slidably connected to the movable block 16, and the opening width of the movable slot 15 is adapted to the width of the movable block 16; by which the stability of the support base 14 is improved, thereby improving the practicability of the sofa leg.

In other embodiments, a rubber pad is disposed at the bottom of the supporting base 14, and anti-skid lines are disposed at the bottom of the rubber pad; by providing a rubber pad, the support base 14 protects the ground, thereby reducing wear on the support base 14.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a from locking-type sofa foot, includes supporting shell (1), its characterized in that: an upper movable cavity (2) is formed in the top of the supporting shell (1), a lower movable cavity (3) is formed in the bottom of the supporting shell (1), a movable rod (5) is rotatably connected to one side of the supporting shell (1), a fixed block (4) is fixedly connected to one end of the movable rod (5), a first bevel gear (6) is fixedly connected to the other end of the movable rod (5), a second bevel gear (7) is connected to the outer surface of the first bevel gear (6) in a meshed manner, a lead screw (8) is rotatably connected to the inner bottom of the upper movable cavity (2), a threaded block (9) is in threaded connection with the top end of the lead screw (8), a supporting plate (10) is fixedly connected to the top end of the threaded block (9), four mounting holes (11) are formed in the top of the supporting plate (10), and limiting blocks (12) are fixedly connected to two, and limiting grooves (13) are formed in two sides of the inner part of the upper movable cavity (2).

2. The self-locking sofa leg according to claim 1, characterized in that: the utility model discloses a support structure, including support shell (1), the inside top in lower part activity chamber (3) articulates there are two dead levers (19), the other end of dead lever (19) articulates there is slider (20), two telescopic links (17) of the inside top fixedly connected with in lower part activity chamber (3), and the other end fixedly connected with of telescopic link (17) support base (14), the surface of telescopic link (17) is provided with buffer spring (18), spout (21) have been seted up on the top of supporting base (14), the middle part fixedly connected with tension spring (22) of dead lever (19), two movable block (16) of the outer fixed surface of supporting base (14) are connected with, two movable groove (15) have been seted up to the bottom surface of support shell (1).

3. The self-locking sofa leg according to claim 1, characterized in that: the limiting groove (13) is in sliding connection with the limiting block (12), and the opening width of the limiting groove (13) is matched with the width of the limiting block (12).

4. The self-locking sofa leg according to claim 1, characterized in that: the cross section diameter of the thread block (9) is matched with the cross section diameter of the top opening of the upper movable cavity (2).

5. The self-locking sofa leg according to claim 1, characterized in that: and a bearing is arranged at the contact end of the bottom end of the screw rod (8) and the inner bottom of the upper movable cavity (2), and a bearing is arranged at the contact end of the outer surface of the movable rod (5) and the outer surface of the support shell (1).

6. The self-locking sofa leg according to claim 2, characterized in that: the movable groove (15) is in sliding connection with the movable block (16), and the opening width of the movable groove (15) is matched with the width of the movable block (16).

7. The self-locking sofa leg according to claim 2, characterized in that: the bottom of the supporting base (14) is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skidding lines.