CN210300288U

CN210300288U - Music inspection chair convenient to remove fixedly

Info

Publication number: CN210300288U
Application number: CN201920709784.3U
Authority: CN
Inventors: 韩娜; 夏修亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-04-14
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a music inspection chair convenient to remove fixedly relates to chair technical field. This music inspection chair convenient to remove fixedly, including seat support, chair frame, preceding landing leg, back landing leg, front wheel device, rear wheel device, the upper end fixedly connected with seat support of chair frame, landing leg and back landing leg before the lower extreme fixedly connected with of chair frame, the one end fixedly connected with front wheel device of chair frame is kept away from to preceding landing leg, the one end fixedly connected with rear wheel device of chair frame is kept away from to the back landing leg, the both sides lateral wall of chair frame rotates through two pivots respectively and is connected with two swinging arms. This music inspection chair convenient to remove fixedly through pulley drive, passes through the connection of brake equipment and holding rod, swinging arms through the flexible rope, lets the user sit alright on the chair through with the hand lift the holding rod alright brake the chair wheel that removes the inspection chair with brake equipment, prevents the removal and the swing of chair, and the front wheel device adopts the universal wheel in addition, makes things convenient for the turning to of portable chair.

Description

Music inspection chair convenient to remove fixedly

Technical Field

The utility model relates to a chair technical field specifically is a music inspection chair convenient to remove fixedly.

Background

Along with the development of society, people's material life is more and more abundant, at present, has appeared a music inspection chair on the market, and traditional music inspection chair comprises cushion, back cushion, chair frame, chair leg usually, and chair frame, chair leg are mostly the material of stainless steel, and the cushion, the material majority of back cushion are the cortex, also have weaving class material such as cotton, and some have installed the pulley in the chair leg play, conveniently can remove the chair when using.

In daily use, a user usually needs to move the chair at will and can fix the chair at a certain position without moving and shaking, and the traditional chair needs to be braked by feet after getting up, so that the traditional chair is very inconvenient, and the music checking chair convenient to move and fix is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a music inspection chair convenient to remove fixedly to prior art's is not enough, has solved the problem of proposing among the above-mentioned background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a music checking chair convenient to move and fix comprises a chair seat, a chair frame, front supporting legs, rear supporting legs, a front wheel device and a rear wheel device, wherein the upper end of the chair frame is fixedly connected with the chair seat, the lower end of the chair frame is fixedly connected with the front supporting legs and the rear supporting legs, one end, far away from the chair frame, of the front supporting legs is fixedly connected with the front wheel device, one end, far away from the chair frame, of the rear supporting legs is fixedly connected with the rear wheel device, the side walls of the two sides of the chair frame are respectively and rotatably connected with two swing rods through two rotating shafts, one end of each swing rod is fixedly connected through a transverse rod, the transverse rod is arranged below the chair frame, one end, far away from the transverse rod, of one swing rod is fixedly connected with a holding rod, the side wall, located on one side of the holding rod, of the chair frame is provided with a slot, clamping devices corresponding to the slot are, the chair frame is close to the first pulley of the lateral wall fixedly connected with of back landing leg, one side lateral wall fixedly connected with second pulley of rear wheel device, one side lateral wall fixedly connected with brake equipment of rear wheel device, the lateral wall fixedly connected with flexible cable of connecting block, the one end that the connecting block was kept away from to the flexible cable loops through first pulley, second pulley and with brake equipment's one end fixed connection.

Further, the rear wheel device includes the installation piece with back landing leg fixed connection, the one end that back landing leg was kept away from to the installation piece is rotated through the pivot and is connected with the chair wheel, one side lateral wall and the second pulley fixed connection of installation piece, one side lateral wall and the brake equipment fixed connection of installation piece.

Further, the block device is including seting up the spout in swinging arms one side lateral wall, insert in the spout and establish and sliding connection has the inserted block, just the inserted block is inserted and is located the setting in the slot, the one end fixedly connected with spring of inserted block, the one end and the spout inside wall fixed connection of inserted block are kept away from to the spring, set up in the swinging arms and run through the holding rod and with the slide opening of spout intercommunication, insert in the slide opening and establish and sliding connection has the transfer line, the transfer line is close to the wedge-shaped extrusion piece of one end fixedly connected with of spout, the one end fixedly connected with that the extrusion piece was kept away from to the transfer line presses the briquetting, the lateral wall of inserted block is seted up with the corresponding wedge groove of extrusion.

Further, brake equipment includes the connecting rod with installation piece fixed connection, the one end fixedly connected with axis of rotation of installation piece is kept away from to the connecting rod, the axis of rotation rotates and is connected with the dwang, the lateral wall cover of axis of rotation is equipped with torsion spring, one side lateral wall fixedly connected with brake block of axis of rotation is kept away from to the dwang, just the brake block is located and sets up on the chair wheel roll direction.

Furthermore, the bottom wall of the chair frame, which is contacted with the cross rod, is covered with a rubber pad.

Furthermore, the front wheel device adopts universal wheels.

The working principle is as follows: when the chair is used, when the chair is needed to be fixed during music inspection, the holding rod is held by a hand, the pressing block is pressed by a thumb, the wedge-shaped extrusion block is pushed to move towards the wedge-shaped groove of the insertion block through the transmission rod connected below the pressing block, the inclined plane of the wedge-shaped groove generates horizontal component force by the downward thrust of the extrusion block, the insertion block slides towards the sliding groove and compresses the spring, the holding rod is lifted upwards at the moment, when the insertion block moves to the slot, the thumb is released, the insertion block is clamped with the slot, the swing rod rotates forwards along the shaft while the holding rod is lifted, one end of the flexible cable fixedly connected to the connecting block moves along with the swing rod to pull the flexible cable, the flexible cable passes through the first pulley, the transmission rod of the second pulley pulls the rotating rod of the brake device to move towards the surface of the chair wheel, and at the moment, the brake pad fixed on the rotating, the rolling of the chair wheel is limited, the checking chair is fixed and can not move, when the chair needs to be moved, the pressing block at the top end of the holding rod is pressed by a thumb, the same inserting block clamped in the inserting groove leaves the inserting groove through transmission, the holding rod is moved forwards and put down at the moment, the brake device loses the tensile force of the flexible cable, the surface of the chair wheel leaves under the action of the torsion spring, the brake pad is not attached to the surface of the chair wheel, the chair wheel can roll, and the checking chair can be moved at will at the moment.

Advantageous effects

Compared with the prior art:

1. this music inspection chair convenient to remove fixedly through pulley drive, passes through the connection of brake equipment and holding rod, swinging arms through the flexible rope, lets the user sit alright on the chair through with the hand lift the holding rod alright brake the chair wheel that removes the inspection chair with brake equipment, prevents the removal and the swing of chair, and the front wheel device adopts the universal wheel in addition, makes things convenient for the turning to of portable chair.

2. This music inspection chair convenient to remove fixedly through the setting of block device, can fix the holding rod after lifting the holding rod, makes brake equipment's brake block can hug closely on the chair wheel to reach the effect of braking the fixed chair of chair wheel, in addition, unclamp brake equipment and only need press the pressing block of holding rod end department and can put down the holding rod, the brake block leaves the chair wheel this moment, alright removal chair at will.

Drawings

FIG. 1 is a side view of the present invention for facilitating mobile and stationary music inspection;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic sectional view of the engaging device;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is an enlarged schematic view of the structure at C in fig. 3.

In the figure: 1. a chair seat; 2. a chair frame; 3. a front leg; 4. a rear leg; 5. a front wheel device; 6. a rear wheel device; 61. mounting blocks; 62. a chair wheel; 7. a swing lever; 8. a cross bar; 9. a holding rod; 10. a slot; 11. a clamping device; 1101. a chute; 1102. inserting a block; 1103. a spring; 1104. a slide hole; 1105. a transmission rod; 1106. extruding the block; 1107. a pressing block; 1108. a wedge-shaped groove; 12. connecting blocks; 13. a first pulley; 14. a second pulley; 15. a brake device; 1501. a connecting rod; 1502. a rotating shaft; 1503. rotating the rod; 1504. a torsion spring; 1505. a brake pad; 16. and (4) a flexible cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, an embodiment of the present invention provides a music checking chair convenient for moving and fixing, comprising a chair seat 1, a chair frame 2, a front leg 3, a rear leg 4, a front wheel device 5, and a rear wheel device 6, wherein the upper end of the chair frame 2 is fixedly connected with the chair seat 1, the lower end of the chair frame 2 is fixedly connected with the front leg 3 and the rear leg 4, one end of the front leg 3 away from the chair frame 2 is fixedly connected with the front wheel device 5, one end of the rear leg 4 away from the chair frame 2 is fixedly connected with the rear wheel device 6, two side walls of the chair frame 2 are respectively rotatably connected with two swing rods 7 through two rotating shafts, one ends of the two swing rods 7 are fixedly connected through a cross rod 8, the cross rod 8 is arranged below the chair frame 2, one end of the swing rod 7 away from the cross rod 8 is fixedly connected with a holding rod 9, a side wall of the chair frame 2 on one, clamping devices 11 corresponding to the slots 10 are arranged in the holding rod 9 and the swing rods 7, one end side walls of the two swing rods 7 close to the cross rod 8 are fixedly connected with a connecting block 12, the side wall of the chair frame 2 close to the rear supporting leg 4 is fixedly connected with a first pulley 13, one side wall of the rear wheel device 6 is fixedly connected with a second pulley 14, one side wall of the rear wheel device 6 is fixedly connected with a brake device 15, the side wall of the connecting block 12 is fixedly connected with a flexible cable 16, one end of the flexible cable 16 far away from the connecting block 12 passes through the first pulley 13 and the second pulley 14 and is fixedly connected with one end of the brake device 15, the holding rod 9 and the swing rods 7 are connected through the flexible cable 16 through pulley transmission, so that a user can use the brake device 15 to brake the chair wheels 62 of the mobile inspection chair by manually lifting the holding rod 9 when sitting on the chair, thereby preventing the chair from, in addition, the front wheel device 5 adopts universal wheels, so that the steering of the movable chair is facilitated.

As shown in fig. 2, the rear wheel device 6 includes a mounting block 61 fixedly connected to the rear leg 4, one end of the mounting block 61 far away from the rear leg 4 is rotatably connected to a chair wheel 62 through a rotating shaft, one side wall of the mounting block 61 is fixedly connected to the second pulley 14, and one side wall of the mounting block 61 is fixedly connected to the brake device 15, so as to facilitate the movement and fixation of the chair.

As shown in fig. 3-5, the fastening device 11 includes a sliding slot 1101 formed on a side wall of the swing lever 7, an insertion block 1102 is inserted and slidably connected in the sliding slot 1101, the insertion block 1102 is inserted and disposed in the insertion slot 10, a spring 1103 is fixedly connected to one end of the insertion block 1102, one end of the spring 1103 away from the insertion block 1102 is fixedly connected to an inner side wall of the sliding slot 1101, a sliding hole 1104 penetrating through the grip 9 and communicating with the sliding slot 1101 is formed in the swing lever 7, a transmission rod 1105 is inserted and slidably connected in the sliding hole 1104, one end of the transmission rod 1105 close to the sliding slot 1101 is fixedly connected to a wedge-shaped extrusion block 1106, one end of the transmission rod 1105 away from the extrusion block 1106 is fixedly connected to a pressing block 1107, a wedge-shaped slot 1108 corresponding to the extrusion block 1106 is formed in a side wall of the insertion block 1102, the grip 9 can be fixed after the grip 9 is lifted through the arrangement of the fastening device 11, so that the brake, therefore, the effect of braking the chair wheel to fix the chair is achieved, in addition, the holding rod 9 can be put down only by pressing the pressing block 1107 at the end of the holding rod 9 when the brake device 15 is released, and the chair can be moved freely when the brake pad 1505 is separated from the chair wheel.

As shown in fig. 1-5, the brake device 15 includes a connecting rod 1501 fixedly connected to the mounting block 61, the connecting rod 1501 is far away from a rotating shaft 1502 fixedly connected to one end of the mounting block 61, the rotating shaft 1502 is rotatably connected to a rotating rod 1503, a torsion spring 1504 is sleeved on an outer side wall of the rotating shaft 1502, a brake pad 1505 is fixedly connected to a side wall of the rotating rod 1503 far away from the rotating shaft 1502, and the brake pad 1505 is arranged in a rolling direction of the chair wheel 62, so as to facilitate fixing and moving of the chair wheel 62 of the chair, a rubber pad is covered on a bottom wall of the chair frame 2 contacting with the crossbar 8, so as to prevent abrasion of the crossbar 8 to the chair frame 2 and reduce vibration generated by direct contact of the crossbar 8 and the chair frame 2.

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.

Claims

1. The utility model provides a music inspection chair convenient to remove fixedly, includes seat support (1), chair frame (2), preceding landing leg (3), back landing leg (4), front wheel device (5), rear wheel device (6), its characterized in that: the upper end of the chair frame (2) is fixedly connected with a chair seat (1), the lower end of the chair frame (2) is fixedly connected with a front supporting leg (3) and a rear supporting leg (4), one end of the front supporting leg (3) far away from the chair frame (2) is fixedly connected with a front wheel device (5), one end of the rear supporting leg (4) far away from the chair frame (2) is fixedly connected with a rear wheel device (6), two side walls of the two sides of the chair frame (2) are respectively and rotatably connected with two swing rods (7) through two rotating shafts, one end of each of the two swing rods (7) is fixedly connected through a cross rod (8), the cross rod (8) is arranged below the chair frame (2), one end of each swing rod (7) far away from the cross rod (8) is fixedly connected with a holding rod (9), the side wall of the chair frame (2) on one side of the holding rod (9) is provided with a slot (10), and clamping devices (11) corresponding to the slots (10) are arranged in the holding rods, two swing arm (7) are close to one end lateral wall fixedly connected with connecting block (12) of horizontal pole (8), chair frame (2) are close to the first pulley of lateral wall fixedly connected with (13) of back landing leg (4), one side lateral wall fixedly connected with second pulley (14) of rear wheel device (6), one side lateral wall fixedly connected with brake equipment (15) of rear wheel device (6), the lateral wall fixedly connected with flexible cable (16) of connecting block (12), the one end that connecting block (12) were kept away from in flexible cable (16) loops through first pulley (13), second pulley (14) and with the one end fixed connection of brake equipment (15).

2. A music examination chair of the type that is easy to move and secure as claimed in claim 1, wherein: rear wheel device (6) include with rear leg (4) fixed connection's installation piece (61), the one end that rear leg (4) were kept away from in installation piece (61) is rotated through the pivot and is connected with chair wheel (62), one side lateral wall and second pulley (14) fixed connection of installation piece (61), one side lateral wall and brake equipment (15) fixed connection of installation piece (61).

3. A music examination chair of the type that is easy to move and secure as claimed in claim 1, wherein: the clamping device (11) comprises a sliding groove (1101) arranged on the side wall of one side of the swinging rod (7), an inserting block (1102) is inserted in the sliding groove (1101) and is connected with the sliding groove in a sliding way, the inserting block (1102) is inserted into the slot (10), one end of the inserting block (1102) is fixedly connected with a spring (1103), one end of the spring (1103) far away from the insert block (1102) is fixedly connected with the inner side wall of the sliding groove (1101), a sliding hole (1104) which penetrates through the holding rod (9) and is communicated with the sliding groove (1101) is arranged in the swinging rod (7), a transmission rod (1105) is inserted and connected in the sliding hole (1104) in a sliding way, one end of the transmission rod (1105) close to the sliding groove (1101) is fixedly connected with a wedge-shaped extrusion block (1106), one end of the transmission rod (1105) far away from the extrusion block (1106) is fixedly connected with a pressing block (1107), the side wall of the insert block (1102) is provided with a wedge-shaped groove (1108) corresponding to the extrusion block (1106).

4. A music examination chair convenient to move and fix according to claim 1 or 2, characterized in that: brake equipment (15) include with installation piece (61) fixed connection's connecting rod (1501), one end fixedly connected with axis of rotation (1502) of installation piece (61) are kept away from in connecting rod (1501), axis of rotation (1502) rotate and are connected with dwang (1503), the lateral wall cover of axis of rotation (1502) is equipped with torsion spring (1504), one side lateral wall fixedly connected with brake block (1505) that axis of rotation (1502) were kept away from in dwang (1503), just brake block (1505) are located the setting of chair wheel (62) direction of rolling.

5. A music examination chair of the type that is easy to move and secure as claimed in claim 1, wherein: the bottom wall of the chair frame (2) contacted with the cross rod (8) is covered with a rubber pad.

6. A music examination chair of the type that is easy to move and secure as claimed in claim 1, wherein: the front wheel device (5) adopts universal wheels.