Upward inclination adjusting structure and chair

Abstract

The utility model relates to the field of chairs, and discloses a tipping adjusting structure and a chair, which can provide a chair with a tipping function for customers and lock the tipping function according to the requirements of the users. The device comprises a base, the chair seat is rotatably arranged on the base, and a locking hole is formed in the chair seat; one end of the compression elastic piece is connected with the base, the other end of the compression elastic piece is connected with the chair seat, and the compression elastic piece is driven by elastic force to increase the included angle between the base and the chair seat; the control handle is arranged on the base in a sliding mode, and the control handle can be inserted into or away from the locking hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chair, especially a reclining adjustment structure and chair. BACKGROUND

[0002] In today's competitive era, the office furniture market is undergoing an unprecedented revolution, and various innovative products are emerging in an endless stream, competing for brilliance. Among them, the reclining chair, with its unique humanized design, perfect fit of ergonomics, not only can adjust the angle of the chair back, but also can flexibly adjust the inclination of the chair seat, bringing users a full range of comfortable experience, perfect adaptation to different body types and sitting posture needs, is gradually becoming the darling of the majority of consumers, the market potential is huge, and the development prospect is very broad.

[0003] However, with the continuous development of social economy, people's living standards are constantly improving, and the public's pursuit of life quality is increasingly refined. In the office environment, in order to pursue better seating comfort, users often adjust the reclining angle of the chair frequently to find the perfect balance point that can completely relax the body and mind. However, most of the chairs on the market are designed with extremely complex internal adjustment structures, not only numerous parts, but also complicated assembly process, which not only greatly reduces the assembly efficiency in the production process, increases the labor cost and time cost, but also greatly increases the product rejection rate, which brings not small challenges to the manufacturers. SUMMARY

[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a reclining adjustment structure, which can provide a chair with reclining function for customers and lock the reclining function according to the needs of users.

[0005] The utility model also provides a chair with the above-mentioned reclining adjustment structure.

[0006] On the one hand, according to the reclining adjustment structure of the utility model embodiment, comprising:

[0007] The base;

[0008] The chair seat is rotatably arranged on the base, and the chair seat is provided with a locking hole;

[0009] The compression elastic member is connected to one end of the base, and the other end is connected to the chair seat;

[0010] The control handle is slidably arranged on the base, the control handle can be inserted into the locking hole to make the base and the chair seat in a relatively fixed state, and the control handle can be separated from the locking hole to make the base and the chair seat in a relatively fixed state.

[0011] According to some embodiments of the utility model, the base is equipped with a gasket, the gasket is rotatably arranged on the base, one end of the compression elastic member is arranged on the gasket, and the other end is arranged on the seat.

[0012] According to some embodiments of the utility model, the base is equipped with an arc-shaped protrusion, the gasket is equipped with an arc-shaped groove, and the arc-shaped protrusion and the arc-shaped groove are matched to make the gasket rotatably connected to the base.

[0013] According to some embodiments of the utility model, the compression elastic member is provided with a plurality of compression elastic members, and the compression elastic members are driven by elastic force to increase the included angle between the base and the seat.

[0014] According to some embodiments of the utility model, the compression elastic member is a spring or a rubber block.

[0015] According to some embodiments of the utility model, a lifting mechanism is further included, the lifting mechanism is arranged on the base, the control handle is rotatably arranged on the base, the control handle is rotated to abut against the lifting mechanism, the lifting mechanism controls the lifting of the base.

[0016] According to some embodiments of the utility model, the control handle is equipped with a touch block, and the lifting mechanism includes:

[0017] A gas rod is arranged on the base, and the gas rod is used to drive the lifting of the base, and the gas rod is equipped with a contact switch.

[0018] A torsional spring is arranged on the control handle, one end of the torsional spring is connected to the base, the other end is connected to the touch block, the control handle is rotated, the touch block can abut against the contact switch, and the torsional spring drives the rotation of the control handle by elastic force to move the touch block away from the contact switch.

[0019] According to some embodiments of the utility model, an induction mechanism is further included, and the induction mechanism is used to induce whether the control handle is inserted into the locking hole.

[0020] According to some embodiments of the utility model, the induction mechanism includes:

[0021] A shaft sleeve is sleeved on the control handle, and the shaft sleeve is equipped with a clamping groove.

[0022] A clamping piece is arranged on the base, and the clamping piece can clamp the clamping groove.

[0023] On the other hand, according to the chair of the utility model embodiments, the chair includes the reclining adjustment structure according to the above-mentioned embodiments of the utility model.

[0024] The embodiments of the utility model have at least the following beneficial effects:

[0025] The base is a stable support base, and bears the structure of the whole seat, the seat is installed on the base through rotating design, and a compression elastic member is arranged between the base and the seat. When a user sits on the seat, the gravity of the user will cause the base and the seat to rotate relatively, and with the rotation, the included angle between the base and the seat gradually decreases, so that the reclining angle of the seat can be changed flexibly. At the same time, the compression elastic member can drive the included angle between the base and the seat to increase by virtue of the strong elastic force, and when the user gets up or releases the pressure, the seat will automatically return to the initial position under the action of the compression elastic member, so that the seat is always in the best standby state;

[0026] In order to further improve the use convenience and safety of the seat, the seat is also provided with a sliding control handle. Through simple sliding operation, the control handle can be accurately inserted into the locking hole of the base, at this time, the base and the seat will be locked firmly, and the reclining adjustment function of the seat is locked, so that the stability of the seat in the use process is ensured. When the reclining angle needs to be adjusted again, the control handle is slid away from the locking hole, and the base and the seat can realize relative sliding again, the reclining angle adjustment function of the seat is unlocked, and the user can easily adjust the reclining angle of the seat according to the demand, and enjoys the personalized comfortable experience.

[0027] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0028] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0029] Figure 1 It is the overall structure schematic view of the utility model embodiment chair;

[0030] Figure 2 It is the structure schematic view of the utility model embodiment chair's original state and reclining state;

[0031] Figure 3 It is the section structure schematic view of the utility model embodiment chair;

[0032] Figure 4 It is Figure 3 It is the structure schematic view of A part;

[0033] Figure 5 It is the structure schematic view of the utility model embodiment chair after removing the seat;

[0034] Figure 6 for Figure 5 exploded view of the structure;

[0035] Reference signs:

[0036] Base 100, gasket 110;

[0037] Chair seat 200, locking hole 210;

[0038] Compression elastic member 300;

[0039] Control handle 400, touch block 410;

[0040] Lifting mechanism 500, air rod 510, torsional spring 520;

[0041] Induction mechanism 600, shaft sleeve 610, clamping piece 620;

[0042] Rotary shaft 700. DETAILED DESCRIPTION

[0043] The following will describe several embodiments of the present application, including the corresponding embodiments of the drawings, it can be understood that the drawings are used to assist understanding the technical features and technical solutions of the present application, and should not be understood as limiting the scope of protection of the present application.

[0044] The following will combine the embodiments and the drawings to clearly and completely describe the concept, specific structure and technical effects of the present application, so as to fully understand the purpose, scheme and effect of the present application. It should be noted that in the case of no conflict, the embodiments and the features in the embodiments in the present application can be combined with each other.

[0045] It should be noted that, unless otherwise explicitly limited, when a certain feature is referred to as "fixed", "connected", "installed" on another feature, it can be directly fixed, connected on another feature, or indirectly fixed, connected on another feature, "fixed", "connected", "installed" and the like should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0046] It should be noted that the description of the orientation or position relationship of the present application used in the present application, such as up, down, left, right, top, bottom, front, back, inside and outside, is based on the orientation or position relationship of the drawings or embodiments, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the present application.

[0047] It should be noted that the term "and / or" used in the present application includes any combination of one or more related listed items, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. Understand as not including the number, above, below, within, etc. Understand as including the number.

[0048] It should be noted that in the present application, if the first, second is only used for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of the indicated technical features.

[0049] It should be noted that unless otherwise explicitly limited, all technical and scientific terms used herein are the same as understood by those skilled in the art. The terms used in the specification of the present application are only for the description of specific embodiments, and are not intended to limit the present application.

[0050] Referring to Figures 1-6 , the first aspect of the present application provides a tilting adjustment structure, comprising:

[0051] The base 100;

[0052] The chair seat 200 is rotatably arranged on the base 100, and the chair seat 200 is provided with a locking hole 210;

[0053] The compression elastic member 300, one end of the compression elastic member 300 is connected with the base 100, and the other end is connected with the chair seat 200;

[0054] The control handle 400 is slidably arranged on the base 100, the control handle 400 can be inserted into the locking hole 210 to make the base 100 and the chair seat 200 in a relatively fixed state, and the control handle 400 can be away from the locking hole to make the base 100 and the chair seat 200 in a relatively fixed state.

[0055] According to the embodiments of the utility model, through the arrangement, the following effects can be achieved, the base 100 is a stable support base, bearing the structure of the whole seat, the seat 200 is installed on the base 100 through rotating design, and the compression elastic member 300 is arranged between the base 100 and the seat 200. When a user sits on the seat 200, the gravity of the user will cause the base 100 and the seat 200 to rotate relatively, and with the rotation, the included angle between the base 100 and the seat 200 gradually decreases, so that the reclining angle of the seat can be changed flexibly. At the same time, the compression elastic member 300 can drive the included angle between the base 100 and the seat 200 to increase by virtue of the strong elastic force of the compression elastic member 300, and when the user stands up or releases the pressure, the seat 200 will automatically return to the initial position under the action of the compression elastic member 300, so that the seat is always in the best standby state.

[0056] In order to further improve the convenience and safety of the seat, the seat is also provided with a sliding control handle 400. Through simple sliding operation, the control handle 400 can be accurately inserted into the locking hole 210 of the base 100, and at this time, the base 100 and the seat 200 will be locked firmly, and the reclining adjustment function of the seat is locked, so that the stability of the seat during use is ensured. When the reclining angle needs to be adjusted again, the control handle 400 is slid away from the locking hole 210, and the base 100 and the seat 200 can realize relative sliding again, so that the reclining angle adjustment function of the seat is unlocked, and the user can easily adjust the reclining angle of the seat according to the needs, and enjoy personalized comfortable experience.

[0057] It should be noted that the control handle 400 also has the function of controlling the lifting of the air rod 510, and the air rod 510 lifting switch is in the default natural state (the control handle 400 is fixed by the control handle 400 torsional spring 520 and will not shake); the control handle 400 is pulled upward, the air rod 510 lifting switch is pressed downward by the rotating shaft, the trigger switch of the air rod 510 is compressed, and the lifting of the air rod 510 is controlled; after the hand is released, the control handle 400 torsional spring 520 will reset the control handle 400.

[0058] In some embodiments, the base 100 is provided with a gasket 110, the gasket 110 is rotatably arranged on the base 100, one end of the compression elastic member 300 is arranged on the gasket 110, and the other end is arranged on the seat 200. The gasket 110 is rotatably connected to the base 100, and when reclining, the chair back is tilted backward, the compression elastic member 300 rotates with the seat 200, and the gasket 110 rotates accordingly. This structure effectively protects the compression elastic member 300 from twisting and deforming due to the inconsistent compression space before and after the compression of the compression elastic member 300, reduces the deformation caused by compression, and greatly protects the service life of the compression elastic member 300.

[0059] In some embodiments, the base 100 is provided with an arc-shaped protrusion, the gasket 110 is provided with an arc-shaped slot, and the arc-shaped protrusion and the arc-shaped slot are matched to rotate the gasket 110 to be connected to the base 100. Through the matching of the arc-shaped protrusion and the arc-shaped slot, the gasket 110 can slide relative to the base 100, and the compression elastic member 300 can keep the gasket 110 abutting the rotating column through pressure to prevent the gasket 110 from being separated.

[0060] Based on the above-mentioned embodiments, another embodiment of the gasket is that the gasket and the base are hingedly connected, so that the gasket can be rotatably connected to the base.

[0061] In some embodiments, the compression elastic member 300 is provided with a plurality of compression elastic members 300, and the plurality of compression elastic members 300 collectively drive the base 100 and the seat 200 to increase the included angle between the base 100 and the seat 200 through elastic force. The plurality of compression elastic members 300 can increase the total supporting force of the compression elastic member 300, reduce the pressure of each compression elastic member 300, reduce the deformation caused by compression, and greatly protect the service life of the compression elastic member 300.

[0062] In some embodiments, the compression elastic member 300 is a spring or a rubber block. Both the spring and the rubber block have elastic force and can restore the original shape after compression, thereby playing the role of elastic deformation.

[0063] In some embodiments, the lifting mechanism 500 is further included, the lifting mechanism 500 is arranged on the base 100, the control handle 400 is rotatably arranged on the base 100, the control handle 400 can abut the lifting mechanism 500 by rotating the control handle 400, and the lifting mechanism 500 controls the base 100 to ascend and descend.

[0064] It should be noted that the gas rod 510 is a commonly used lifting structure in the field of seats, and the gas rod 510 can work by triggering the button on the top of the gas rod 510.

[0065] In some embodiments, the lifting mechanism 500 is further included, the control handle 400 is rotatably arranged on the base 100, the control handle 400 is provided with a touch block 410, and the lifting mechanism 500 includes:

[0066] The gas rod 510 is arranged on the base 100, and the gas rod 510 is used to drive the base 100 to ascend and descend. The gas rod 510 is provided with a contact switch.

[0067] The torsional spring 520 is arranged on the control handle 400, one end of the torsional spring 520 is connected to the base 100, the other end of the torsional spring 520 is connected to the touch block 410, the touch block 410 can abut the contact switch by rotating the control handle 400, and the torsional spring 520 drives the control handle 400 to rotate to make the touch block 410 move away from the contact switch through elastic force.

[0068] In this setting, the user rotates the control handle 400 to make the touch block 410 abut the contact switch, enabling the activation of the air rod 510. When the control handle 400 is released, the torsional spring 520 drives the control handle 400 to rotate, so that the control handle 400 returns to the original angle. The function of the control handle 400 can simultaneously play the role of locking the reclining angle and adjusting the lifting, effectively saving the use of parts.

[0069] It should be noted that the control handle 400 slides and rotates relative to the base 100. Here, only two circular holes are provided on the base 100, and the control handle 400 is provided with a cylindrical structure at one end. The cylinder is arranged in the two circular holes and can slide and rotate relative to the two circular holes. Of course, the middle part of the cylinder can also be provided with a limiting piece, and the diameter of the limiting piece is greater than the diameter of the cylinder, which can prevent the control handle 400 from being separated.

[0070] In some embodiments, an induction mechanism 600 is further included, and the induction mechanism 600 is used to induce whether the control handle 400 is inserted into the locking hole 210. The induction structure is used to enable the user to perceive the switching of the reclining angle locking and unlocking, facilitating use.

[0071] In some embodiments, the induction mechanism 600 includes:

[0072] A shaft sleeve 610 is sleeved on the control handle 400, and the shaft sleeve 610 is provided with a clamping groove;

[0073] A clamping piece 620 is arranged on the base 100, and the clamping piece 620 can clamp the clamping groove.

[0074] In this setting, the user can block the sliding of the control handle 400 by clamping the clamping groove through the clamping piece 620 during the sliding process of the control handle 400, giving the user a clear hysteresis, reminding the user whether it has been unlocked at this time, enabling the user to perceive the switching of the reclining angle locking and unlocking, and facilitating use.

[0075] In some embodiments, the end face of the clamping piece 620 is spherical, cylindrical or conical. The spherical, cylindrical or conical structure is provided with a rounded or chamfered guide surface, which can reduce the acting force between the clamping piece 620 and the clamping groove and reduce the sliding resistance, facilitating the sliding of the control handle.

[0076] In some embodiments, the clamping piece 620 is provided with a spring or the clamping piece 620 is made of an elastic material. By providing a spring, the clamping piece 620 can be close to or away from the clamping groove. The elastic clamping can be elastically deformed, which is beneficial to the disengagement of the clamping piece 620.

[0077] In some embodiments, the base 100 is provided with a rotating shaft 700, and the seat 200 is rotatably arranged on the base 100. Through the driving of the rotating shaft 700, the seat 200 and the base 100 can be relatively rotated.

[0078] It should be noted that the terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment" and the like are used in the description of the present application to describe several embodiments of the present application, and the specific features, structures, materials or characteristics in several embodiments can be combined in accordance with the principles and purposes of the present application.

[0079] Although some embodiments of the present application have been shown and described in the present application, the present application should not be limited to the above embodiments, but as long as the same or equivalent means achieve the technical effects of the present application, any changes, modifications, equivalent replacements and equivalent modifications of these embodiments within the spirit and principles disclosed by the present application without departing from the principles and purposes of the present application should be included in the scope of protection of the present application, and should be considered to belong to the protection scope of the present application.

Claims

1. A reclining adjustment structure characterized by, The utility model relates to a chair, which comprises: a base (100); a seat (200) rotatably arranged on the base (100), the seat (200) being provided with a locking hole (210); a compression elastic member (300), one end of the compression elastic member (300) being connected to the base (100) and the other end being connected to the seat (200); a control handle (400) slidably arranged on the base (100), the control handle (400) being capable of being inserted into the locking hole (210) to fix the base (100) and the seat (200) relative to each other, and the control handle (400) being capable of being separated from the locking hole (210) to release the fixation of the base (100) and the seat (200) relative to each other.

2. The recline adjustment structure of claim 1, wherein: The base (100) is provided with a washer (110), the washer (110) being rotatably arranged on the base (100), one end of the compression elastic member (300) being arranged on the washer (110) and the other end being arranged on the seat (200).

3. The recline adjustment structure of claim 2, wherein: The base (100) is provided with an arc-shaped protrusion, the washer (110) is provided with an arc-shaped slot, and the arc-shaped protrusion and the arc-shaped slot are matched to rotatably connect the washer (110) to the base (100).

4. The recline adjustment structure of claim 1, wherein: The compression elastic member (300) is provided in plurality, and the plurality of compression elastic members (300) are collectively driven by elastic force to increase the included angle between the base (100) and the seat (200).

5. The recline adjustment structure of claim 1, wherein: The compression elastic member (300) is a spring or a rubber block.

6. The recline adjustment structure of claim 1, wherein: The utility model further comprises a lifting mechanism (500), the lifting mechanism (500) being arranged on the base (100), the control handle (400) being rotatably arranged on the base (100), and the control handle (400) being capable of abutting against the lifting mechanism (500) by rotating the control handle (400) to control the lifting mechanism (500) to lift the base (100).

7. The recline adjustment structure of claim 6, wherein: The control handle (400) is provided with a touch block (410), and the lifting mechanism (500) comprises: an air rod (510) arranged on the base (100), the air rod (510) being used to drive the base (100) to lift, and the air rod (510) being provided with a contact switch; a torsional spring (520) arranged on the control handle (400), one end of the torsional spring (520) being connected to the base (100) and the other end being connected to the touch block (410), the touch block (410) being capable of abutting against the contact switch by rotating the control handle (400), and the torsional spring (520) being capable of driving the control handle (400) to rotate by elastic force to move the touch block (410) away from the contact switch.

8. The recline adjustment structure of claim 1, wherein: The utility model further comprises a sensing mechanism (600) used to sense whether the control handle (400) is inserted into the locking hole (210).

9. The recline adjustment structure of claim 8, wherein: The sensing mechanism (600) comprises: a shaft sleeve (610) sleeved on the control handle (400), the shaft sleeve (610) being provided with a clamping groove. A clamping piece (620) is arranged on the base (100), and the clamping piece (620) is capable of clamping the clamping groove.

10. A chair characterized by: The reclining adjustment structure according to any one of claims 1 to 9.

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