阅读说明：本技术 一种日常家用防桌椅不平衡脚垫 (Daily domestic foot pad capable of preventing desk and chair from being unbalanced ) 是由 李秀云 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种日常家用防桌椅不平衡脚垫,包括底板、固定套筒、支撑板、转轴,转轴上设有螺纹部,螺纹部设有两段,两段螺纹部沿转轴的中心对称设置,螺纹部上安装有螺套,螺套远离转轴中心的一端安装有固定块,固定块的顶端端部安装有第一铰接座,支撑板的底部安装有第二铰接座,第一铰接座与第二铰接座之间通过连接杆相连接。有益效果：可以实现支撑板的高度调节,实现脚垫的所支撑高度的调节,且支撑板受力时,会将力传递给固定块,滑块会分解固定块受到的力,将此力传递给底板,降低转轴受到的力,通过设置丝杆可以调节夹板在固定套筒内的位置,保证本脚垫与支脚的紧密连接。(The invention discloses a daily household table and chair unbalance prevention foot pad which comprises a bottom plate, a fixing sleeve, a supporting plate and a rotating shaft, wherein a threaded part is arranged on the rotating shaft, the threaded part is provided with two sections, the two sections of threaded parts are symmetrically arranged along the center of the rotating shaft, a threaded sleeve is arranged on the threaded part, a fixing block is arranged at one end, away from the center of the rotating shaft, of the threaded sleeve, a first hinge seat is arranged at the end part of the top end of the fixing block, a second hinge seat is arranged at the bottom of the supporting plate, and the first hinge seat is. Has the advantages that: can realize the altitude mixture control of backup pad, realize the regulation of the height that supports of callus on the sole, and during the backup pad atress, can transmit the power for the fixed block, the slider can decompose the power that the fixed block received, transmits this power for the bottom plate, reduces the power that the pivot received, can adjust the position of splint in fixed sleeve through setting up the lead screw, guarantees the zonulae occludens of this callus on the sole and stabilizer blade.)

1. The utility model provides an unbalanced callus on sole of daily domestic table chair of preventing, includes bottom plate (1), fixed sleeve (2) are installed at the top center of bottom plate (1), and bottom plate (1) is the disc-shaped setting, and fixed sleeve (2) are the cylinder setting, and the inside of fixed sleeve (2) is equipped with backup pad (3), its characterized in that, backup pad (3) and bottom plate (1) parallel, and the vertical axis collineation setting of backup pad (3), fixed sleeve (2) and bottom plate (1), is equipped with pivot (5) under backup pad (3), and pivot (5) also are located in fixed sleeve (2), and the both ends of pivot (5) are passed through bearing (6) and are connected with the inner wall rotation of fixed sleeve (2), are equipped with screw thread portion (7) on pivot (5), and screw thread portion (7) are equipped with two sections, and two sections screw thread portion (7) set up along the central symmetry, and the opposite direction of screw thread on two sections screw thread portions (7) sets up, all installs swivel nut (8) on screw thread portion (7), and two swivel nuts (8) also set up along the central symmetry of pivot (5), and fixed block (9) are installed to the one end at pivot (5) center is kept away from in swivel nut (8), and pivot (5) run through the central setting of fixed block (9), and first articulated seat (10) are installed to the top tip of fixed block (9), the articulated seat of second (11) is installed to the bottom of backup pad (3), and the articulated seat of second (11) is equipped with two, and the articulated seat of two seconds (11) sets up along the central symmetry of backup pad (3), and the line between the articulated seat of two seconds (11) is parallel with the length direction of pivot (5), is connected through connecting rod (12) between the articulated seat of first articulated seat (10) and the articulated seat of second (11) that is close to each other.

2. The daily household foot pad capable of preventing the imbalance of tables and chairs as claimed in claim 1, wherein a first through hole (91) is formed in the center of the fixing block (9), and the rotating shaft (5) penetrates through the first through hole (91).

3. The daily household foot pad capable of preventing the imbalance of tables and chairs as claimed in claim 2, wherein the top of the bottom plate (1) is provided with two sliding grooves (13), the two sliding grooves (13) are respectively arranged right below the threaded portion (7), the sliding grooves (13) are arranged along the length direction of the threaded portion (7), the bottom of the fixed block (9) is provided with the sliding block (14), the bottom of the sliding block (14) is slidably arranged in the sliding grooves (13), and the bottom of the sliding block (14) is tightly abutted to the bottom of the sliding grooves (13).

4. The daily household foot pad capable of preventing the imbalance of tables and chairs as claimed in claim 3, wherein a guide groove (16) is formed in the upper portion of the inner side wall of the fixing sleeve (2), the guide groove (16) is formed in the length direction of the fixing sleeve (2), a guide block (15) is mounted on the side wall of the supporting plate (3), and one end, far away from the side wall of the supporting plate (3), of the guide block (15) is slidably arranged in the guide groove (16).

5. The daily household foot pad capable of preventing the imbalance of tables and chairs as claimed in claim 4, wherein a fixed column (17) is fixedly installed at the top center of the bottom plate (1), the rotating shaft (5) penetrates through the bottom of the fixed column (17), a second through hole (171) is formed in the bottom of the fixed column (17), the second through hole (171) is parallel to the bottom plate (1), and the rotating shaft (5) penetrates through the second through hole (171).

6. The daily household foot pad capable of preventing the imbalance of tables and chairs as claimed in claim 1, wherein the bottom of the bottom plate (1) is provided with the anti-slip pad (4), two ends of the rotating shaft (5) penetrate through the inside of the fixing sleeve (2) and are provided with the adjusting handles (18) at the end parts of the two ends of the rotating shaft (5).

7. The daily household foot pad capable of preventing the imbalance of tables and chairs as claimed in claim 6, wherein a screw rod (19) is mounted at the top of the side wall of the fixing sleeve (2), the screw rod (19) penetrates through the side wall of the fixing sleeve (2), one end of the screw rod (19) facing the inside of the fixing sleeve (2) is connected with a clamping plate (22) through a movable connecting seat (21), a threaded hole (23) is formed in the side wall of the fixing sleeve (2), and the screw rod (19) is matched with the threaded hole (23).

8. The daily household foot pad for preventing the imbalance of tables and chairs as claimed in claim 7, wherein the end of the screw rod (19) located outside the fixed sleeve (2) is provided with a rotating handle (20).

Technical Field

The invention relates to the field of foot pads, in particular to a daily household foot pad capable of preventing a table and a chair from being unbalanced.

Background

The table chair is the furniture of group's commonly used in general family, table chair all can certainly possess the stabilizer blade of a certain amount, in order to prevent that the stabilizer blade from damaging the bottom plate in general family all can add the callus on the sole at the bottom of furniture stabilizer blade, traditional callus on the sole generally adopts the rubber preparation, only play certain guard action, and traditional callus on the sole most does not have height control's function, and the callus on the sole is also all simple with the stabilizer blade put on the callus on the sole with being connected of stabilizer blade and stabilizer blade, if when needs carry, just need just can only readjust the stabilizer blade again, it is loaded down with trivial details, and the situation of unevenness can not appear in indoor bottom plate, but hardly guarantee the absolute level of position assurance that table chair was placing, and the callus on the sole can play certain regulatory action to a certain extent, but guarantee that the balanced effect of table chair is still very limited, treat the improvement.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide a novel blackboard eraser to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a daily household anti-unbalanced table and chair foot pad comprises a bottom plate, wherein a fixing sleeve is installed at the top center of the bottom plate, the bottom plate is in a circular plate shape, the fixing sleeve is in a cylindrical shape, a supporting plate is arranged inside the fixing sleeve, the supporting plate is parallel to the bottom plate, the vertical central axes of the supporting plate, the fixing sleeve and the bottom plate are arranged in a collinear manner, a rotating shaft is arranged under the supporting plate and is also arranged in the fixing sleeve, two ends of the rotating shaft are rotationally connected with the inner wall of the fixing sleeve through a bearing, a threaded part is arranged on the rotating shaft, the threaded part is provided with two sections, the two sections of the threaded part are symmetrically arranged along the center of the rotating shaft, the thread directions on the two sections of the threaded part are opposite, threaded sleeves are installed on the threaded part, the two threaded sleeves are also, first articulated seat is installed to the top tip of fixed block, the articulated seat of second is installed to the bottom of backup pad, and the articulated seat of second is equipped with two, and two articulated seats of second set up along the central symmetry of backup pad, and the line between the articulated seat of two seconds parallels with the length direction of pivot, is connected through the connecting rod between the articulated seat of first articulated seat and the articulated seat of second that is close to mutually.

Furthermore, a first through hole is formed in the center of the fixing block, and the rotating shaft penetrates through the first through hole.

Further, the spout has been seted up at the top of bottom plate, and the spout is equipped with two, and two spouts are seted up respectively under screw thread portion, and the spout sets up along the length direction of screw thread portion, and the slider is installed to the bottom of fixed block, and in the spout was located in the bottom slip of slider, and the bottom of slider tightly supported the tank bottom setting of spout.

Furthermore, a guide groove is formed in the upper portion of the inner side wall of the fixing sleeve and arranged along the length direction of the fixing sleeve, a guide block is installed on the side wall of the supporting plate, and one end, far away from the side wall of the supporting plate, of the guide block is arranged in the guide groove in a sliding mode.

Further, the top center fixed mounting of bottom plate has the fixed column, and the pivot runs through the bottom setting of fixed column, and the second through-hole has been seted up to the bottom of fixed column, and the second through-hole parallels with the bottom plate, and the pivot passes the second through-hole setting.

Furthermore, the bottom of bottom plate is installed the slipmat, and the inside setting of fixed sleeve is worn out at the both ends of pivot, and the regulation handle is installed to the both ends tip of pivot.

Further, the lead screw is installed at fixed telescopic lateral wall top, and the lead screw runs through fixed telescopic lateral wall setting, and the lead screw is connected with splint through the swing joint seat towards fixed telescopic inside one end, and threaded hole is seted up to fixed telescopic lateral wall, and the lead screw cooperatees with the threaded hole.

Furthermore, a rotating handle is installed at one end part, located outside the fixed sleeve, of the screw rod.

Compared with the prior art, the invention has the following beneficial effects:

(1) the height adjustment of the supporting plate and the height adjustment of the supporting of the foot pad can be realized through the arranged rotating shaft and the threaded sleeve;

(2) the fixed block can be prevented from rotating by arranging the sliding block and the sliding groove, the threaded sleeve can only move along the length direction of the rotating shaft, when the supporting plate is stressed, force can be transmitted to the fixed block, the sliding block can decompose the force applied to the fixed block, the force is transmitted to the bottom plate, and the force applied to the rotating shaft is reduced;

(3) the fixing columns can prevent the supporting plate from suddenly dropping off when the connecting rod is damaged due to over-stress, and a certain protection effect can be achieved;

(4) the position of the clamping plate in the fixing sleeve can be adjusted by the screw rod, the clamping of the clamping plate on the supporting leg inserted into the fixing sleeve is realized, and the tight connection of the foot pad and the supporting leg is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic perspective view of a daily household foot pad for preventing unbalanced table and chair according to an embodiment of the invention;

FIG. 2 is a sectional view of a daily household foot pad for preventing unbalanced table and chair according to an embodiment of the invention;

FIG. 3 is a schematic diagram of a three-dimensional connecting structure of a threaded sleeve and a fixed block in a daily household table and chair imbalance prevention foot pad according to an embodiment of the invention;

FIG. 4 is a schematic view of another angle three-dimensional connection structure of a threaded sleeve and a fixed block in a daily household table and chair imbalance prevention foot pad according to an embodiment of the invention;

FIG. 5 is a top view of a daily household anti-imbalance foot mat for tables and chairs according to an embodiment of the invention;

FIG. 6 is a schematic view of a connection structure of a fixing sleeve and a clamping plate of a daily household anti-unbalance foot pad for tables and chairs according to an embodiment of the invention;

FIG. 7 is a schematic structural diagram of a clamping plate and a movable connecting seat in a daily household foot mat for preventing the imbalance of tables and chairs according to an embodiment of the invention.

Reference numerals:

1. a base plate; 2. fixing the sleeve; 3. a support plate; 4. a non-slip mat; 5. a rotating shaft; 6. a bearing; 7. a threaded portion; 8. a threaded sleeve; 9. a fixed block; 91. a first through hole; 10. a first hinge mount; 11. a second hinge mount; 12. a connecting rod; 13. a chute; 14. a slider; 15. a guide block; 16. a guide groove; 17. fixing a column; 171. a second through hole; 18. an adjusting handle; 19. a screw rod; 20. a rotation handle; 21. a movable connecting seat; 22. a splint; 23. a threaded hole; 24. a receiving groove.

Detailed Description

The invention is further described with reference to the following drawings and detailed description:

referring to fig. 1-7, a daily household foot pad for preventing unbalanced table and chair according to an embodiment of the present invention includes a bottom plate 1, a fixing sleeve 2 is installed at the top center of the bottom plate 1, the bottom plate 1 is in a circular plate shape, the fixing sleeve 2 is in a cylindrical shape, a supporting plate 3 is installed inside the fixing sleeve 2, the supporting plate 3 is parallel to the bottom plate 1, vertical central axes of the supporting plate 3, the fixing sleeve 2 and the bottom plate 1 are arranged in a collinear manner, a rotating shaft 5 is installed right below the supporting plate 3, the rotating shaft 5 is also installed in the fixing sleeve 2, two ends of the rotating shaft 5 are rotatably connected with the inner wall of the fixing sleeve 2 through a bearing 6, a threaded portion 7 is installed on the rotating shaft 5, two segments of the threaded portion 7 are symmetrically arranged along the center of the rotating shaft 5, the thread directions on the two segments of the, the two screw sleeves 8 are also symmetrically arranged along the center of the rotating shaft 5, one end of the screw sleeve 8, which is far away from the center of the rotating shaft 5, is provided with a fixed block 9, the rotating shaft 5 penetrates through the center of the fixed block 9, the top end part of the fixed block 9 is provided with a first hinged seat 10, the bottom of the supporting plate 3 is provided with two second hinged seats 11, the two second hinged seats 11 are symmetrically arranged along the center of the supporting plate 3, a connecting line between the two second hinged seats 11 is parallel to the length direction of the rotating shaft 5, the first hinged seat 10 is connected with the second hinged seat 11 which is close to the first hinged seat through a connecting rod 12, when the rotating shaft 5 rotates, the thread part 7 also rotates, the thread part 7 drives the screw sleeve 8 to move in the fixed sleeve 2, and because the thread directions of the two screw sleeves 8 which are arranged in the thread part 7 are opposite, the moving directions of the two screw, the movement of the screw sleeve 8 also means the movement of the fixed block 9, the movement of the fixed block 9 also means the movement of the first hinged seat 10, the first hinged seat 10 is connected with the second hinged seat 11 through the connecting rod 12, the second hinged seat 11 is fixed at the bottom of the supporting plate 3, it can be seen that the second hinged seat 11 can not realize the horizontal movement at the bottom of the supporting plate 3, therefore, when the first hinged seat 10 moves horizontally, the angle between the connecting rod 12 and the rotating shaft 5 can be changed, the top of the connecting rod 12 can drive the second hinged seat 11 to move up and down in the fixing sleeve 2, the up and down movement of the second hinged seat 11 also means the up and down movement of the supporting plate 3, therefore, the height adjustment of the supporting plate 3 can be realized, and the adjustment of the supported height of the foot pad can be realized.

Specifically, a first through hole 91 is formed in the center of the fixing block 9, and the rotating shaft 5 penetrates through the first through hole 91.

Specifically, the top of the bottom plate 1 is provided with two sliding grooves 13, the two sliding grooves 13 are respectively arranged under the threaded portion 7, the sliding grooves 13 are arranged along the length direction of the threaded portion 7, the bottom of the fixed block 9 is provided with a sliding block 14, the bottom of the sliding block 14 is slidably arranged in the sliding grooves 13, the bottom of the sliding block 14 is tightly abutted to the bottom of the sliding grooves 13, the sliding block 14 and the sliding grooves 13 are arranged to prevent the fixed block 9 from rotating, so that the screw sleeve 8 is prevented from rotating along with the rotating shaft 5, the screw sleeve 8 is ensured to only move along the length direction of the rotating shaft 5, and the structure is not easy to find, when the supporting plate 3 is stressed, the force can be transmitted to the fixed block 9 through the second hinge seat 11, the connecting rod 12 and the first hinge seat 10, and the fixed block 9 is installed on the rotating shaft 5 through the screw sleeve 8, so that the supporting plate 3, the arranged slide block 14 can decompose the force received by the fixed block 9, and transmit the force to the bottom plate 1, thereby reducing the force received by the rotating shaft 5.

Specifically, guide slot 16 has been seted up on the inside wall upper portion of fixed sleeve 2, and guide slot 16 sets up along the length direction of fixed sleeve 2, installs guide block 15 on the lateral wall of backup pad 3, and the one end that guide block 15 kept away from the backup pad 3 lateral wall slides and locates in guide slot 16, and the level of backup pad 3 can be guaranteed in the setting of guide block 15 and guide slot 16.

Specifically, a fixed column 17 is fixedly mounted at the top center of the bottom plate 1, the rotating shaft 5 penetrates through the bottom of the fixed column 17, a second through hole 171 is formed in the bottom of the fixed column 17, the second through hole 171 is parallel to the bottom plate 1, and the rotating shaft 5 penetrates through the second through hole 171. The fixed column 17 can prevent the supporting plate 3 from suddenly dropping when the connecting rod 12 is damaged due to excessive stress, and the fixed column 17 can play a certain protection role.

Specifically, the bottom of bottom plate 1 is installed non-slip mat 4, and non-slip mat 4 can play skid-proof effect, and the both ends of pivot 5 are worn out the inside setting of fixed sleeve 2, and the both ends tip of pivot 5 installs regulation handle 18.

Specifically, lead screw 19 is installed at the lateral wall top of fixing sleeve 2, and lead screw 19 runs through the lateral wall setting of fixing sleeve 2, and lead screw 19 is connected with splint 22 through swing joint seat 21 towards the inside one end of fixing sleeve 2, and threaded hole 23 is seted up to the lateral wall of fixing sleeve 2, and lead screw 19 and threaded hole 23 cooperate, can adjust the position of splint 22 in fixing sleeve 2 through rotating lead screw 19, realize splint 22 to the clamp of inserting the inside stabilizer blade of fixing sleeve 2 tightly, guarantee the zonulae occludens of this callus on the sole and stabilizer blade.

Specifically, the end of the screw rod 19 located outside the fixed sleeve 2 is provided with a rotary handle 20. The rotation handle 20 prevents manual touching of the screw 19.

Specifically, the top of the inner side wall of the fixing sleeve 2 is provided with a receiving groove 24, the receiving groove 24 is communicated with the threaded hole 23, the receiving groove 24 and the clamping plate 22 are arranged in a coplanar manner, and the receiving groove 24 and the clamping plate 22 are overlapped in shape. The storage groove 24 serves as a space for storing the clip 22, and the clip 22 is stored in the storage groove 24 to be protected when the clip 22 is not used.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the adjusting handle 18 is rotated, the adjusting handle 18 drives the rotating shaft 5 to rotate, when the rotating shaft 5 rotates, the threaded portion 7 also rotates, the threaded portion 7 drives the threaded sleeve 8 to move inside the fixed sleeve 2, because the thread directions of the threaded portions 7 on which the two threaded sleeves 8 are mounted are opposite, the moving directions of the two threaded sleeves 8 are always opposite, the moving of the threaded sleeve 8 also means the moving of the fixed block 9, the moving of the fixed block 9 also means the moving of the first hinged seat 10, the first hinged seat 10 is connected with the second hinged seat 11 through the connecting rod 12, the second hinged seat 11 is fixed at the bottom of the supporting plate 3, it can be seen that the second hinged seat 11 cannot horizontally move at the bottom of the supporting plate 3, therefore, when the first hinged seat 10 horizontally moves, the angle between the connecting rod 12 and the rotating shaft 5 changes, the top of the connecting rod 12 drives the second hinged seat 11 to move up and down inside the fixed sleeve 2, the reciprocating of articulated seat 11 of second also means reciprocating of backup pad 3, consequently alright in order to realize the altitude mixture control of backup pad 3, realize the regulation of the supported height of callus on the sole, when adjusting required height, insert the stabilizer blade inside fixed sleeve 2, and tightly support on the top end face of backup pad 3, rotate rotation handle 20 simultaneously, rotation handle 20 drives lead screw 19 rotatory, the position of splint 22 in fixed sleeve 2 can be adjusted to lead screw 19, realize the clamp of splint 22 to the stabilizer blade of inserting fixed sleeve 2 inside, guarantee the zonulae occludens of this callus on the sole and stabilizer blade.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.