CN217610009U

CN217610009U - Foldable gear lever corrector

Info

Publication number: CN217610009U
Application number: CN202121339935.4U
Authority: CN
Inventors: 刘振烈
Original assignee: Guangdong Bainshi Technology Co ltd
Current assignee: Guangdong Bainshi Technology Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2022-10-21
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a foldable guard bar straightener, which comprises a clamping part fixed on a body, wherein the two end parts of the body are respectively provided with a side lever, the two lower ends of the guard bar are respectively inserted into the side levers, the side levers are provided with a rotating part and a connecting part, one end of a sleeve is fixed at the end part of the body, and the other end of the sleeve is rotatably connected with the rotating part; the positioning piece is connected to the sleeve in a sliding manner along the axial lead, and a spring is arranged between the positioning piece and the sleeve; the positioning piece and the rotating part are provided with mutually matched insections with inclined planes. The gear lever corrector has simple structure and is easy to adjust and store.

Description

Foldable gear lever corrector

Technical Field

The utility model relates to a technical field is corrected to teenager's position of sitting, in particular to but shelves pole unscrambler of centre gripping at table edge.

Background

As the teenagers in China have long learning time and high pressure and do not form good sitting posture habits, more people have hunchback and myopia symptoms. To address this problem, several types of sitting posture correctors have appeared in the market. There is a sitting posture corrector which can clamp and fix the edge of a table, and the upper end of the sitting posture corrector is provided with a cross bar for supporting the chest, and the height of the cross bar can be manually adjusted, so that the sitting posture corrector has certain practicability. For example, chinese patent document ZL201921756870.6 discloses a "new type of stop lever corrector", which includes a fixing member, a stop member, and a connecting rod, wherein the stop member is disposed on the fixing member through the connecting member. The corrector can adjust the angle of the blocking piece at a small angle so as to better adapt to the requirements of different users.

However, the conventional corrector cannot be folded at a large angle so as to be stored when not in use, and the whole corrector needs to be disassembled and taken away from a table top if the storage is needed, so that the conventional corrector is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, be convenient for adjust, easily folding unscrambler of accomodating.

The utility model discloses a realize like this: the foldable blocking rod corrector comprises a clamping part fixed on the body, side rods are respectively arranged at two end parts of the body, two lower ends of the blocking rod are respectively inserted into the side rods, each side rod is provided with a rotating part and a connecting part, one end of a sleeve is fixed at the end part of the body, and the other end of the sleeve is rotatably connected to the rotating part; the positioning piece is connected to the sleeve in a sliding manner along the axial lead, and a spring is arranged between the positioning piece and the sleeve; the positioning piece and the rotating part are provided with mutually matched insections with inclined planes.

The sleeve is of a hollow structure, a convex column is arranged in the center of the sleeve, and a central hole of the positioning piece is sleeved on the convex column; the spring is sleeved on the periphery of the convex column.

The sleeve side wall is provided with a guide groove, the outer edge of the positioning piece is fixedly provided with a guide block, and the guide block is inserted into the guide groove and can slide along the axial lead direction of the sleeve.

The end part of the first guide block protrudes out of the end face of the positioning piece, an annular groove is formed in one side, facing the positioning piece, of the rotating part, and the end part of the first guide block is inserted into the annular groove.

An angle limiting block is arranged in the annular groove.

The front end of the convex column of the sleeve penetrates through the axle center hole of the rotating part and is fixed through a gasket and a screw.

The end face of the positioning piece is provided with first insections which are distributed annularly, and one side of the rotating part facing the positioning piece is internally provided with second insections which are distributed annularly.

The cover plate is arranged on one side, back to the positioning piece, of the rotating portion, the clamping groove is formed in the inner wall of the rotating portion, and the clamping pins of the cover plate are screwed into the clamping grooves to be fixed.

The clamping part comprises a U-shaped groove piece and a locking assembly.

The upper end of the connecting part is provided with a groove, the lower end of the blocking rod is inserted into the clamping sleeve, the clamping sleeve is accommodated in the groove fixed on the connecting part, and the upper end of the clamping sleeve is sleeved with the locking nut.

The utility model has the advantages that: the positioning piece and the rotating part are provided with matched insections with inclined surfaces, a spring is arranged between the positioning piece and the sleeve, and new angle positioning and locking can be automatically realized only by slightly rotating the side lever; meanwhile, the technical scheme is simple in structure, compared with the existing similar products on the market, the cost is not increased too much, in addition, a user only needs one rotation action in the locking operation process, the operation is simple and convenient, and the principle of human engineering is met.

Drawings

Fig. 1 is an exploded view of the foldable stop bar corrector of the present invention;

FIG. 2 is a perspective view of the foldable stop bar orthosis of the present invention;

FIG. 3 is a side view of the foldable stop bar corrector according to the present invention;

FIG. 4 is a side view of the foldable stop bar corrector according to the present invention in a storage state;

FIG. 5 is a side view of the foldable stop bar corrector of the present invention in another storage state;

fig. 6 is a schematic partial sectional view of the foldable stop bar appliance of the present invention;

FIG. 7 is an exploded view of the foldable stop bar corrector sleeve and the positioning member of the present invention;

fig. 8 is an explosion diagram of the side rods and the positioning members of the foldable stop rod corrector of the present invention.

Detailed Description

The foldable stop rod corrector of the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the foldable barrier rod corrector comprises a clamping part 2 fixed on a body 1, side rods 3 are respectively arranged at two ends of the body, two lower ends of a barrier rod 4 are respectively inserted into the side rods, the side rods are provided with a rotating part 31 and a connecting part 32, one end of a sleeve 5 is fixed at the end part of the body, and the other end of the sleeve is rotatably connected to the rotating part; the positioning piece 6 is connected to the sleeve in a sliding manner along the axial lead, and a spring 7 is arranged between the positioning piece and the sleeve; the positioning piece and the rotating part are provided with mutually matched insections with inclined planes.

Furthermore, the foldable gear lever corrector is designed symmetrically, namely, the clamping part 2 is arranged in the middle of the body 1, and the side levers 3 are symmetrically arranged on two sides of the body and connected with each other; the stop lever 4 is also symmetrical U-shaped. The rotation control component comprises a sleeve, a positioning piece and a spring, and is at least arranged on one side of the body and the side lever rotating part, in other words, at least one set of rotation control component is needed to realize the folding function; preferably, in order to enhance the stability and the stress intensity of the rotation control, a set of rotation control components can be respectively arranged at the left side and the right side of the body.

Referring to fig. 6 and 7, the end of the main body 1 and the side lever rotating part 31 are coaxially arranged, and they are engaged and butted to form a cavity, and the sleeve 5 is arranged in the cavity. The sleeve 5 is a hollow structure, a convex column 51 is arranged in the center of the sleeve, and a central hole 61 of the positioning piece 6 is sleeved on the convex column; the spring 7 is sleeved on the periphery of the convex column.

The side wall of the sleeve 5 is provided with a guide groove, the outer edge of the positioning piece is fixedly provided with a guide block, and the guide block is inserted into the guide groove and can slide along the axial lead direction of the sleeve.

As shown in fig. 7 and 8, the guide block at least has a first guide block 62, an end 621 of the first guide block 62 protrudes out of the end surface of the positioning element, an annular groove 311 is formed in a side of the rotating portion facing the positioning element, and the end 621 of the first guide block is inserted into the annular groove.

Further, an angle limiting block 312 is arranged in the annular groove. When the end part of the first guide block rotates relatively in the annular groove, the angle limiting block is used for limiting the rotating angle range of the rotating part of the side rod. Specifically, the angle limiting block 312 has two sidewalls, for example, during clockwise rotation, when one sidewall of the angle limiting block abuts against the side 622 of the first guide block 62, the angle of the side lever connecting part 32 relative to the body is fixed due to the stop of the rotation; similarly, in the process of anticlockwise rotating, the other side wall of the angle limiting block abuts against the other side face of the first guide block, and the other rotation limiting angle of the side rod is limited.

Furthermore, the guide block is also provided with a second guide block 63, the end part of the second guide block does not protrude out of the end surface of the positioning piece, the second guide block has no rotation limiting function, and the second guide block only has a sliding guide function; in order to further enhance the stability of the positioning member 6 when sliding along the shaft axis, the second guide block 63 and the first guide block 62 may be disposed at an interval of 180 degrees from each other on the outer circumference of the positioning member 6.

The front end of the convex column of the sleeve 5 passes through the axle center hole 310 of the rotating part and is fixed by the gasket 33 and the screw. The spacer 33 and the screw are provided on the outer side surface of the side lever rotating portion 31, and function as a spacer and a screw for preventing the rotating portion from coming loose in the axial direction and not for restricting the free rotation of the rotating portion in the radial direction.

The end surface of the positioning piece is provided with first insections 623 which are distributed annularly, and one side of the rotating part facing the positioning piece is internally provided with second insections 313 which are distributed annularly. In particular, the first insection and the second insection may be continuous ring insections, or may be discontinuous insections arranged at intervals, such as the first insection 623 is discontinuous in fig. 8, and the second insection 313 is continuous, which has no influence on the meshing effect of the two insections.

A cover plate 34 is arranged on one side, back to the positioning piece, of the rotating portion, a clamping groove is formed in the inner wall of the rotating portion, and a clamping pin of the cover plate is screwed into the clamping groove to be fixed. The cover plate is waterproof and dustproof, and prevents foreign matters from entering the side lever rotating part and scraping a user.

The clamping portion 2 includes a U-shaped channel member 21 and a locking assembly 22. The clamping part is used for clamping the edge part of the seat and clamping the table edges with different thicknesses by adjusting the locking assembly. Since the clamping portion is prior art, it is not described herein.

The adjustment assembly 8 comprises a clamping sleeve 81 and a lock nut 82. The upper end of the connecting part 32 is provided with a groove, the lower end of the stop rod 4 is inserted into a clamping sleeve 81 which is accommodated in the groove fixed on the connecting part, and the upper end of the clamping sleeve is sleeved with a locking nut 82. The upper end of the clamping sleeve is provided with an external thread matched with the internal thread of the locking nut, the upper end of the clamping sleeve is provided with an opening, a plurality of slits are arranged at the opening along the edge of the opening, and when the lower end of the gear rod 4 is inserted into the opening of the clamping sleeve, the lower end of the gear rod and the clamping sleeve can be locked and fixed relatively by rotating the locking nut. The clamping sleeve and the locking screw have the combined effect of adjusting the vertical height of the gear lever so as to meet different users.

Furthermore, the blocking rod is used for supporting the chest of a user and preventing the body posture of teenagers from being excessively inclined forwards during learning and reading. The periphery of the stop rod 4 is sleeved with a soft sleeve 9 which can be made of elastic materials such as plastic, foam and the like, and aims to buffer the chest of a user and prevent bruising.

The adjustment sequence and operation of the present folding bar straightener will be described below with reference to fig. 2 to 5. As shown in fig. 2 and 3, the clamping part is firstly arranged at the edge of the table, and the corrector is integrally clamped at the edge of the table by adjusting the locking component; the user inserts the two lower ends of the stop lever into the side levers respectively and fixes the two lower ends at proper heights. When the corrector is not needed to be used, the corrector becomes an obstacle to influence the normal use of the desk, at the moment, a user does not need to disassemble the corrector, only needs to hold the blocking rod or the side rod by one hand or two hands to rotate towards the rear lower part, for example, fig. 4 is an effect diagram when the side rod rotates 180 degrees, the blocking rod can be seen to be arranged under the desktop and incline towards the inner side of the desk, and the use obstacle of vision or the upper surface of the desk can not or can be caused. Further, as shown in fig. 5, the user can continue to rotate the blocking lever, so that the blocking lever and the side lever are closer to the bottom of the table top, and thus the blocking lever will not block the legs of the user, and the occurrence of other collisions can be avoided. Conversely, when the corrector is needed again, the gear lever is rotated reversely to the required angle position.

The positioning part and the rotating part are provided with mutually matched insections with inclined planes, so that the body and the stop lever can be actually fixed at each meshing position, when the stop lever or the side lever is held by hand to rotate, the insections of the rotating part can push the insections of the positioning part, so that the positioning part retreats, and the positioning part moves forwards under the action of the elastic force of the spring at a new meshing position to form new stable matching. In particular, in the vertical position, one side wall of the angle limiting block abuts against the side face of the first guide block, and the angle of the stop lever is a limit angle at the moment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a collapsible shelves pole unscrambler, is including clamping part (2) that are fixed in body (1), and body both ends respectively set up side lever (3), two lower extremes of shelves pole (4) peg graft respectively in side lever, its characterized in that: the side lever is provided with a rotating part (31) and a connecting part (32), one end of the sleeve (5) is fixed at the end part of the body, and the other end of the sleeve is rotatably connected with the rotating part; the positioning piece (6) is connected to the sleeve in a sliding manner along the axial lead, and a spring (7) is arranged between the positioning piece and the sleeve; the positioning piece and the rotating part are provided with mutually matched insections with inclined planes.

2. The foldable brace orthotic of claim 1, wherein: the sleeve is of a hollow structure, a convex column (51) is arranged in the center of the sleeve, and a central hole (61) of the positioning piece is sleeved on the convex column; the spring is sleeved on the periphery of the convex column.

3. The foldable stop bar orthotic of claim 2, wherein: the sleeve side wall is provided with a guide groove, the outer edge of the positioning piece is fixedly provided with a guide block, and the guide block is inserted into the guide groove and can slide along the axial lead direction of the sleeve.

4. The foldable stop bar orthotic of claim 3, wherein: the end part of the first guide block (62) protrudes out of the end surface of the positioning piece, an annular groove (311) is formed in one side, facing the positioning piece, of the rotating part, and the end part of the first guide block is inserted into the annular groove.

5. The foldable stop bar orthotic of claim 4, wherein: an angle limiting block (312) is arranged in the annular groove.

6. The foldable stop bar orthotic of claim 2, wherein: the front end of a convex column of the sleeve penetrates through a shaft center hole (310) of the rotating part and is fixed through a gasket (33) and a screw.

7. The foldable stop bar orthotic of claim 1, wherein: the end face of the positioning piece is provided with first insections (623) distributed annularly, and one side of the rotating part facing the positioning piece is internally provided with second insections (313) distributed annularly.

8. The foldable stop bar orthotic of claim 1, wherein: a cover plate (34) is arranged on one side, back to the positioning piece, of the rotating portion, a clamping groove is formed in the inner wall of the rotating portion, and a clamping pin of the cover plate is screwed into the clamping groove to be fixed.

9. The foldable stop bar orthotic of any one of claims 1 to 8, wherein: the clamping portion comprises a U-shaped channel member (21) and a locking assembly (22).

10. The foldable stop bar orthotic of any one of claims 1 to 8, wherein: the connecting portion upper end has the recess, shelves pole lower extreme inserts chucking cover (81), and the recess that the chucking cover holding is fixed in the connecting portion, lock nut (82) are established to chucking cover upper end cover.