Eauditorium chair convenient to move

Abstract

The utility model discloses an auditorium chair convenient to move, which belongs to the technical field of auditorium chairs and comprises a chair body, handrails are arranged at two ends of the chair body, a buffer component is arranged below the chair body, a base is arranged below the buffer component, and universal wheels are arranged below the base. An adjusting assembly is arranged between the chair body and the buffering assembly, a positioning assembly is arranged at one end of the base, the adjusting assembly is arranged, the height of the device can be conveniently adjusted according to use requirements, the device is adjusted to the most comfortable height, the use practicability is improved, a rotating handle can be conveniently fastened through a fastening assembly, and the use safety is improved. The positioning assembly is arranged, the device can be conveniently positioned, the structure is convenient to use, fixing can be completed by directly treading the treading rod, and the fixing effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of auditorium chair, concretely relates to a convenient auditorium chair of moving. BACKGROUND

[0002] The auditorium chair is mostly composed of a seat, a backrest, an armrest and a standing foot and a writing board. The standing foot and the armrest are usually integrated to form a firm armrest frame. The structure is usually a steel-wood structure or a steel-plastic structure or an aluminum-wood structure. The auditorium chair is usually used on a stage during a lecture or a meeting in an auditorium.

[0003] Chinese patent application No. 202120020908.4 discloses a convenient auditorium chair of moving, which belongs to the technical field of auditorium chair and comprises a seat plate. A back plate is installed on one side of the seat plate. A right armrest is installed on the front side of the seat plate. A writing board is rotatably connected to the right armrest. A right lower foot is installed below the right armrest. A left armrest is installed on the side of the seat plate away from the right armrest. A left lower foot is installed below the left armrest. A moving device is arranged below the left lower foot and the right lower foot. The moving device comprises a shell, a moving wheel, an outer frame, a groove, a knob, a first screw rod, a moving block, a sliding rod and a tension spring. The auditorium chair can be moved by the moving wheel when it needs to be moved, so as to move the auditorium chair to a specified position, reduce the labor burden of the user and improve the convenience of the auditorium chair.

[0004] The above-mentioned patent has the following problems: 1. The height of the chair cannot be adjusted according to the needs of the user; 2. The device can be moved by the moving wheel. After the movement is completed, the device is positioned by the anti-slip ring. However, the positioning is not convenient and the convenience is not high. UTILITY MODEL CONTENT

[0005] To solve the problems in the background art, the utility model provides a convenient auditorium chair of moving, which has the characteristics of being convenient for adjusting the height of the device according to the needs of the user and being convenient for positioning the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a convenient auditorium chair of moving, which comprises a chair body. Armrests are arranged at both ends of the chair body. A buffer assembly is arranged below the chair body. A base is arranged below the buffer assembly. Universal wheels are arranged below the base. An adjusting assembly is arranged between the chair body and the buffer assembly. A positioning assembly is arranged at one end of the base.

[0007] Preferably, the adjusting assembly comprises an adjusting base, a lifting plate, a lifting trapezoidal screw, a bevel gear one, a bevel gear two, a rotating handle and a fastening assembly, wherein the upper portion of the buffer assembly is provided with the adjusting base, the inside of the adjusting base is provided with the lifting plate, the inside of the lifting plate is threadedly connected with the lifting trapezoidal screw, one end of the lifting trapezoidal screw is provided with the bevel gear one, one side of the bevel gear one is meshedly connected with the bevel gear two, one end of the bevel gear two is provided with the rotating handle, and the upper portion of the rotating handle is provided with the fastening assembly.

[0008] Preferably, the fastening assembly comprises a supporting plate, a fastening screw, a fastening block, a rotating block and an anti-skid sleeve, wherein one side of the adjusting base is provided with the supporting plate, the middle of the supporting plate is threadedly connected with the fastening screw, one end of the fastening screw is provided with the fastening block, the other end of the fastening screw is provided with the rotating block, and the surface of the rotating block is sleeved with the anti-skid sleeve.

[0009] Preferably, the two sides of the lifting plate are provided with limiting sliding blocks, and the middle of each limiting sliding block is slidably connected with a limiting sliding rod.

[0010] Preferably, the positioning assembly comprises a supporting base, a stepping rod, a return spring, a limiting rod, a limiting spring, a positioning base, a positioning plate and a fastening spring, wherein one side of the buffer assembly is provided with the supporting base, the middle of the supporting base is slidably connected with the stepping rod, one side of the stepping rod is provided with the return spring, the other side of the stepping rod is abutted with the limiting rod, the upper portion of the limiting rod is provided with the limiting spring, the lower portion of the stepping rod is provided with the positioning base, the lower portion of the positioning base is provided with the positioning plate, and the connecting portion of the positioning base and the positioning plate is provided with the fastening spring.

[0011] Preferably, one end of the limiting rod is provided with a ball, and the lower portion of the positioning plate is provided with a rubber fastening pad.

[0012] Compared with the prior art, the device has the advantages that:

[0013] 1、The adjusting assembly is arranged, so that the height of the device can be adjusted according to the use requirement, the device is adjusted to the most comfortable height, the practicability of use is improved, and the rotating handle can be fastened by the fastening assembly, so that the stability after adjustment is improved.

[0014] 2、The positioning assembly is arranged, so that the device can be positioned conveniently, the structure is convenient to use, the device can be fixed by directly stepping the stepping rod, and the fixing effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the whole device;

[0016] Figure 2 It is a structure schematic view of the main view of the device;

[0017] Figure 3 It is the structural schematic view of the adjusting assembly of the utility model;

[0018] Figure 4 It is the structural schematic view of the fastening assembly in the adjusting assembly of the utility model;

[0019] Figure 5 It is the structural schematic view of the positioning assembly of the utility model.

[0020] In the drawing: 1, chair body; 2, armrest; 3, adjusting assembly; 31, adjusting seat; 32, lifting plate; 33, lifting trapezoidal screw; 34, conical gear one; 35, conical gear two; 36, handle; 37, fastening assembly; 371, support plate; 372, fastening screw; 373, fastening block; 374, rotating block; 375, anti-skid sleeve; 4, buffer assembly; 5, base; 6, universal wheel; 7, positioning assembly; 71, support; 72, stepping rod; 73, return spring; 74, limiting rod; 75, limiting spring; 76, positioning seat; 77, positioning plate; 78, fastening spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a convenient to move's auditorium chair, including chair body 1, the both ends of chair body 1 are provided with armrest 2, the below of chair body 1 is provided with buffer assembly 4, the below of buffer assembly 4 is provided with base 5, the below of base 5 is provided with universal wheel 6, and the buffer assembly 4 between chair body 1 and buffer assembly 4 is provided with adjusting assembly 3, and one end of base 5 is provided with positioning assembly 7.

[0024] Specifically, the adjusting assembly 3 includes an adjusting seat 31, a lifting plate 32, a lifting trapezoidal screw 33, a conical gear one 34, a conical gear two 35, a handle 36, and a fastening assembly 37. The adjusting seat 31 is provided above the buffer assembly 4, the lifting plate 32 is provided inside the adjusting seat 31, the lifting trapezoidal screw 33 is threadedly connected inside the lifting plate 32, the conical gear one 34 is provided at one end of the lifting trapezoidal screw 33, the conical gear two 35 is meshingly connected to one side of the conical gear one 34, the handle 36 is provided at one end of the conical gear two 35, and the fastening assembly 37 is provided above the handle 36.

[0025] By adopting the above technical scheme, rotating the rotating handle 36 will drive the conical gear two 35 to rotate, the conical gear two 35 will drive the conical gear one 34 to rotate, the conical gear one 34 will drive the lifting trapezoidal lead screw 33 to rotate, and the lifting trapezoidal lead screw 33 will drive the lifting plate 32 in the adjusting seat 31 to move, thereby adjusting the height of the chair body 1, so that the device can adjust the height of the chair body 1 according to the needs of use when in use.

[0026] Specifically, the fastening assembly 37 comprises a supporting plate 371, a fastening screw 372, a fastening block 373, a rotating block 374, and an anti-skid sleeve 375, wherein one side of the adjusting seat 31 is provided with the supporting plate 371, the middle of the supporting plate 371 is threadedly connected with the fastening screw 372, one end of the fastening screw 372 is provided with the fastening block 373, the other end of the fastening screw 372 is provided with the rotating block 374, and the surface of the rotating block 374 is sleeved with the anti-skid sleeve 375.

[0027] By adopting the above technical scheme, after the adjustment is completed, rotating the rotating block 374 will drive the fastening screw 372 to rotate, the fastening screw 372 will drive the fastening block 373 to move downward, and the rotating handle 36 is abutted and fastened, thereby improving the stability after adjustment.

[0028] Specifically, the two sides of the lifting plate 32 are provided with limiting sliding blocks, and the middle of each limiting sliding block is slidably connected with a limiting sliding rod.

[0029] By adopting the above technical scheme, the limiting sliding block and the limiting sliding rod cooperate to facilitate limiting the moving range of the lifting plate 32.

[0030] In use, rotating the rotating handle 36 will drive the conical gear two 35 to rotate, the conical gear two 35 will drive the conical gear one 34 to rotate, the conical gear one 34 will drive the lifting trapezoidal lead screw 33 to rotate, and the lifting trapezoidal lead screw 33 will drive the lifting plate 32 in the adjusting seat 31 to move, thereby adjusting the height of the chair body 1, after the adjustment is completed, rotating the rotating block 374 will drive the fastening screw 372 to rotate, the fastening screw 372 will drive the fastening block 373 to move downward, and the rotating handle 36 is abutted and fastened, thereby improving the stability after adjustment, so that the device can adjust the height of the chair body 1 according to the needs of use when in use.

[0031] Embodiment 2

[0032] The difference between the embodiment and embodiment 1 is that specifically, the positioning assembly 7 comprises a support 71, a stepping rod 72, a reset spring 73, a limiting rod 74, a limiting spring 75, a positioning seat 76, a positioning plate 77 and a fastening spring 78, wherein one side of the buffer assembly 4 is provided with the support 71, the middle of the support 71 is slidably provided with the stepping rod 72, one side of the stepping rod 72 is provided with the reset spring 73, the other side of the stepping rod 72 abuts against the limiting rod 74, the upper side of the limiting rod 74 is provided with the limiting spring 75, the lower side of the stepping rod 72 is provided with the positioning seat 76, the lower side of the positioning seat 76 is provided with the positioning plate 77, and the connecting part of the positioning seat 76 and the positioning plate 77 is provided with the fastening spring 78.

[0033] By adopting the above technical scheme, the stepping rod 72 is stepped, the stepping rod 72 moves downward to compress the reset spring 73, at the same time, the stepping rod 72 drives the positioning seat 76 to move downward, when the positioning plate 77 below the positioning seat 76 abuts against the ground, the stepping rod 72 is continuously stepped to make the positioning plate 77 move in the positioning seat 76 to compress the fastening spring 78, until the stepping rod 72 moves to the position where the limiting hole on one side and the limiting rod 74 coincide, the limiting spring 75 resets to drive the limiting rod 74 to insert into the limiting hole to limit the stepping rod 72, so that the device is positioned through the cooperation of the positioning plate 77 and the fastening spring 78, so that the device can be conveniently positioned when in use, and the positioning effect is good.

[0034] Specifically, one end of the limiting rod 74 is provided with a ball, and the lower side of the positioning plate 77 is provided with a rubber fastening pad.

[0035] By adopting the above technical scheme, the ball is arranged to facilitate smooth sliding between the stepping rod 72 and the limiting rod 74, and the rubber fastening pad facilitates further improvement of the positioning effect.

[0036] When in use, the stepping rod 72 is stepped, the stepping rod 72 moves downward to compress the reset spring 73, at the same time, the stepping rod 72 drives the positioning seat 76 to move downward, when the positioning plate 77 below the positioning seat 76 abuts against the ground, the stepping rod 72 is continuously stepped to make the positioning plate 77 move in the positioning seat 76 to compress the fastening spring 78, until the stepping rod 72 moves to the position where the limiting hole on one side and the limiting rod 74 coincide, the limiting spring 75 resets to drive the limiting rod 74 to insert into the limiting hole to limit the stepping rod 72, so that the device is positioned through the cooperation of the positioning plate 77 and the fastening spring 78, so that the device can be conveniently positioned when in use, and the positioning effect is good.

[0037] The structure and use principle of the chair body 1 and the buffer assembly 4 have been disclosed in a kind of convenient moving auditorium chair of Chinese patent application No.202120020908.4, and its working principle is that when impact caused by rapid sitting and the like is encountered, under the action of impact, fixed plate and mounting plate are relatively moved along the second screw rod on support plate through arched rubber plate, so as to buffer the impact caused by rapid sitting and the like to a certain extent.

[0038] The working principle and use process of the utility model: the utility model, when in use, is used on the stage of the auditorium, when in use, the device is moved to the position of use through universal wheel 6, then chair body 1 can be adjusted to appropriate height according to the need of people using through adjusting assembly 3, after adjusting is completed, it can be used, when in use, the device can be positioned through positioning assembly 7, when sitting, the force of sitting can be buffered through buffer assembly 4, when adjusting assembly 3 is used, rotating handle 36 is rotated, the rotation of handle 36 drives the rotation of bevel gear two 35, the rotation of bevel gear two 35 drives the rotation of bevel gear one 34, the rotation of bevel gear one 34 drives the rotation of lifting ladder screw rod 33, the rotation of lifting ladder screw rod 33 drives the movement of lifting plate 32 in adjusting seat 31, so as to adjust the height of chair body 1, after adjusting is completed, rotating block 374 is rotated, the rotation of rotating block 374 drives the rotation of fastening screw 372, the rotation of fastening screw 372 drives the downward movement of fastening block 373, and handle 36 is abutted, handle 36 is fastened, the stability after adjusting is improved, so that the device can be adjusted according to the need of use when in use, the height of chair body 1 is adjusted, the device is adjusted to the most comfortable height, when positioning assembly 7 is used, stepping on lever 72 is stepped, the downward movement of lever 72 compresses return spring 73, at the same time, lever 72 drives the downward movement of positioning seat 76, when positioning plate 77 below positioning seat 76 and ground are abutted, lever 72 is continuously stepped, positioning plate 77 moves in positioning seat 76 and compresses fastening spring 78, until lever 72 moves to the limit position hole and limit rod 74 coincide, limit spring 75 resets, and limit rod 74 is inserted into limit position hole, and lever 72 is positioned, so that positioning plate 77 and fastening spring 78 cooperate, the device is positioned, so that the device can be positioned conveniently when in use, and the positioning effect is good.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A conveniently movable auditorium chair, comprising a chair body (1), both ends of the chair body (1) are provided with armrests (2), the lower part of the chair body (1) is provided with a buffer assembly (4), the lower part of the buffer assembly (4) is provided with a base (5), the lower part of the base (5) is provided with universal wheels (6), characterized in that: The adjusting assembly (3) is arranged between the chair body (1) and the buffer assembly (4), and one end of the base (5) is provided with a positioning assembly (7); The adjusting assembly (3) comprises an adjusting seat (31), a lifting plate (32), a lifting trapezoidal screw rod (33), a conical gear one (34), a conical gear two (35), a rotating handle (36) and a fastening assembly (37), wherein the upper portion of the buffer assembly (4) is provided with the adjusting seat (31), the inside of the adjusting seat (31) is provided with the lifting plate (32), the inside of the lifting plate (32) is threadedly connected with the lifting trapezoidal screw rod (33), one end of the lifting trapezoidal screw rod (33) is provided with the conical gear one (34), one side of the conical gear one (34) is meshedly connected with the conical gear two (35), one end of the conical gear two (35) is provided with the rotating handle (36), and the upper portion of the rotating handle (36) is provided with the fastening assembly (37). The positioning assembly (7) comprises a support (71), a stepping rod (72), a return spring (73), a limiting rod (74), a limiting spring (75), a positioning seat (76), a positioning plate (77) and a fastening spring (78), wherein one side of the buffer assembly (4) is provided with the support (71), the stepping rod (72) slides in the middle of the support (71), the return spring (73) is arranged on one side of the stepping rod (72), the limiting rod (74) abuts against the other side of the stepping rod (72), the limiting spring (75) is arranged above the limiting rod (74), the positioning seat (76) is arranged below the stepping rod (72), the positioning plate (77) is arranged below the positioning seat (76), and the fastening spring (78) is arranged at the connection between the positioning seat (76) and the positioning plate (77).

2. The easily movable auditorium chair according to claim 1, wherein: The fastening assembly (37) comprises a support plate (371), a fastening screw rod (372), a fastening block (373), a rotating block (374) and an anti-skid sleeve (375), wherein one side of the adjusting seat (31) is provided with the support plate (371), the fastening screw rod (372) is threadedly connected in the middle of the support plate (371), one end of the fastening screw rod (372) is provided with the fastening block (373), the other end of the fastening screw rod (372) is provided with the rotating block (374), and the anti-skid sleeve (375) is arranged on the surface of the rotating block (374).

3. The easily movable auditorium chair according to claim 1, wherein: The two sides of the lifting plate (32) are provided with limiting sliding blocks, and a limiting sliding rod slides in the middle of the limiting sliding blocks.

4. The easily movable auditorium chair according to claim 1, wherein: One end of the limiting rod (74) is provided with a ball, and a rubber fastening pad is arranged below the positioning plate (77).

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