CN216316591U

CN216316591U - Seat and adjustable chair leg thereof

Info

Publication number: CN216316591U
Application number: CN202122212052.3U
Authority: CN
Inventors: 贺小余
Original assignee: Dakang Holding Co Ltd
Current assignee: Dakang Holding Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-19
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the field of seats, in particular to a seat and adjustable chair legs thereof. An adjustable chair leg comprises a chair leg body at the center and a plurality of wheel rods regularly arranged along the circumferential direction of the chair leg body; the inner end part of the wheel rod is detachably connected to the chair leg body, and the rod body of the wheel rod is arranged along the radial direction of the chair leg body; the wheel rod can move and adjust along the radial direction of the chair leg body and can be positioned at least at two different radial positions. The adjusting wheel rod in the scheme can adjust the radial extension length relative to the chair leg body to construct chair legs with different support diameters, and then can be adapted to seats with different specifications.

Description

Seat and adjustable chair leg thereof

Technical Field

The utility model relates to the field of seats, in particular to a seat and adjustable chair legs thereof.

Background

Due to the large movement space of the swivel chair, the swivel chair is a common chair in life, and particularly in offices, the use rate of the swivel chair is very high. All can dismantle between the back of the chair of traditional swivel chair, seat support and the base, portable, transport, but this kind of swivel chair is only with dismantling between the back of the chair, seat support and the three big parts of base, and the dismantlement degree is not high, and especially not enough is the base part of swivel chair, and current swivel chair base all constitutes as an organic whole, for five claw chair feet, shared space is very big and carry very inconvenient. In the prior art, for example, a swivel chair described in the patent document of the chinese utility model with the publication number "CN 203468059U" has a base composed of a bottom connecting member, a wheel lever and a rotating wheel, and the base of the swivel chair is equal to that the legs are detachable, and has high detachment degree and portability.

The chair feet consider the requirement on the transportation and packaging space.

In addition, the legs are adapted to seats of different sizes based on their dimensions, and if the legs are too small relative to the seat, the seat is prone to toppling over during riding. At present, the specification of the integrated chair leg can not be adjusted, and the detachable chair leg only has one specification after being installed, so that the chair leg can only be adapted to the chair with a specific specification and can not be adjusted.

Disclosure of Invention

In order to solve the above problems, a first object of the present invention is to provide an adjustable chair leg, wherein the adjusting wheel rod can adjust the radial extension length relative to the chair leg body, so as to construct chair legs with different support diameters, and then can be adapted to chairs with different specifications.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an adjustable chair leg comprises a chair leg body at the center and a plurality of wheel rods regularly arranged along the circumferential direction of the chair leg body; the inner end part of the wheel rod is detachably connected to the chair leg body, and the rod body of the wheel rod is arranged along the radial direction of the chair leg body; the method is characterized in that: the wheel rod can move and adjust along the radial direction of the chair leg body and can be positioned at least at two different radial positions.

By adopting the technical scheme, the utility model relates to an adjustable chair leg which comprises a chair leg body and a wheel lever detachably connected to the chair leg body, and the adjustable chair leg can be detached and respectively stored in the packaging and transporting processes based on the detachable connection, so that the packaging space is saved. And the body of rod of this wheel pole sets up along the radial of chair foot body, and many wheel poles can be when installing on the chair foot body as the extension of chair foot body in radial direction to play the effect of stable support.

On the basis of the scheme, the wheel rod in the scheme can move and be adjusted along the radial direction of the chair leg body and can be positioned at least at two different radial positions; thereby the radial extension length of the wheel rod relative to the chair leg body is adjusted to construct chair legs with different support diameters, and then the chair legs can be adapted to chairs with different specifications. During installation, the specification of the chair leg can be adjusted based on the specification of the assembled chair, and the adaptability of the chair leg is wider.

Preferably, the side surface of the chair leg body is provided with a shaft hole which is radially arranged towards the center of the chair leg body, and the inner end part of the wheel rod penetrates through the shaft hole of the chair leg body and is connected with the inner wall of the shaft hole to realize radial positioning. In this technical scheme, wear to locate the shaft hole of chair foot body with wheel pole inner end portion, adopt to wear to establish the mode that cup joints, the installation of being convenient for on the one hand, on the other hand also supports the location to the wheel pole from all directions, guarantees joint strength and support strength.

On the basis, be equipped with on the shaft hole inner wall along a plurality of connecting holes of radial arrangement of chair foot body, be equipped with on the wheel pole and block into the elastic connection piece of location in the connecting hole, the elastic connection piece card is gone into different connecting holes and is stretched into the length in shaft hole with the regulation wheel pole inner. According to the technical scheme, in the process of installing the wheel rod into the shaft hole, the elastic connecting block is extruded and deformed through the inner wall of the shaft hole, and can be clamped and positioned when moving to the connecting hole; the connecting holes are radially arranged along the chair leg body, the elastic connecting blocks are clamped into the different connecting holes, and the extending lengths of the wheel rods relative to the chair leg body are different, so that the chair legs with different supporting diameters are constructed.

In a specific embodiment, only one radial end of the elastic connecting block is integrally connected or elastically and rotatably connected to the wheel rod, and the elastic connecting block can deform by taking the connecting end of the elastic connecting block as an axial point; and one side of the elastic connecting block, which faces the chair leg body, is provided with a guide surface. This scheme is packing into the shaft hole in-process with the wheel pole, and elastic connection block can be followed its link and be the pivot deformation, so can let elastic connection block pass through the shaft hole, and when removing to the connecting hole on, elastic connection block elasticity resets and realizes the joint. Furthermore, because the elastic connecting block is provided with the guide surface towards one side of the chair leg body, even if the elastic connecting block is clamped in one of the connecting holes, the elastic connecting block can be separated from the connecting hole only by continuously applying a radial inward pressing force, so that the wheel rod continuously moves inwards.

Preferably, all be equipped with along the radial gib block and/or the guide way that sets up of chair foot body on the lateral wall of shaft hole inner wall and wheel pole, the wheel pole realizes the direction based on gib block and guide way cooperation when pegging graft in the shaft hole. In the technical scheme, the guide strip and the guide groove play a role in guiding, can be quickly guided and installed, and is more convenient to insert.

Preferably, when the wheel rod is connected to the chair leg body in a positioning manner, at least one part of the wheel rod is abutted against the side wall of the chair leg body, so that radial and circumferential positioning is realized. According to the scheme, when the wheel rod is connected with the chair leg body to form the chair leg, the wheel rod is abutted against the chair leg body, so that radial positioning can be realized on one hand, and the extending length of the wheel rod relative to the chair leg body is limited; on the other hand, the wheel rod can be circumferentially positioned, so that the wheel rod is prevented from being installed and loosened in the circumferential direction of the chair leg body.

Preferably, the wheel rod comprises a wheel rod bracket and a cover plate detachably connected to the wheel rod bracket; the wheel lever is equipped with the polylith apron of different radial length, perhaps its at least inner can be adjusted radially relative to the wheel lever support of apron to when making the wheel lever location connect on the chair foot body, change the apron or adjust the apron so that the inboard of apron offsets with the lateral wall of chair foot body, realize radial positioning. In the technical scheme, the wheel rod needs to penetrate through the shaft hole of the chair leg body and can move along the shaft hole to adjust the specification; and simultaneously, need can offset in order to realize radially and circumference location with the lateral wall of chair foot body after the wheel pole installation location. Therefore, in the scheme, the replaceable and optional cover plate or the adjustable cover plate is arranged to adapt to different installation depths of the wheel rod and ensure that the wheel rod is matched with the chair leg body after being installed and positioned.

Preferably, the two end parts of the wheel rod are further provided with elastic pressing blocks, only one radial end of each elastic pressing block is integrally connected or elastically and rotatably connected to the wheel rod, and each elastic pressing block can deform by taking the connecting end of each elastic pressing block as an axial point, so that the elastic pressing blocks press the inner wall of the axial hole. In the technical scheme, the two sides of the wheel rod are required to be tightly matched with the inner wall of the shaft hole so as to prevent the wheel rod from loosening; and the wheel rod is required to be arranged in the shaft hole in a penetrating way and move in the installation process. In order to meet the two requirements, elastic pressing blocks are further arranged at the two end parts of the wheel rod; when the wheel lever is installed, the elastic pressing block can deform so that the wheel lever can move smoothly; after being installed, the inner wall of the shaft hole can be pressed tightly, so that the shaft hole is not loosened.

Preferably, a light groove is arranged on the upper end face of the chair leg body and/or the upper end face of the wheel rod, a light emitting part is embedded in the light groove, and a light transmitting layer is arranged on a notch of the light groove. Among this technical scheme, the light emitting component of embedded dress in the light trough, the optional RGB lamp area of luminous component, decorative effect is better.

The second purpose of the utility model is to provide a chair, which comprises chair legs, an air rod or a shaft rod arranged above the chair legs, a chair seat arranged at the top of the air rod or the shaft rod, and a chair back arranged on the chair seat; the method is characterized in that: the chair leg is the adjustable chair leg, and the lower end of the air rod or the shaft rod is inserted in the central hole of the chair leg body.

Drawings

Fig. 1 is a top structure view of an adjustable chair leg in embodiment 1.

Fig. 2 is a bottom structure view of the adjustable chair leg in embodiment 1.

Fig. 3 is a schematic structural view of the chair leg body.

FIG. 4 is a first schematic view of the connection between the chair leg body and the wheel bar.

FIG. 5 is a second schematic view of the connection between the chair leg body and the wheel bar.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1:

as shown in fig. 1 to 5, the present embodiment relates to an adjustable chair leg, which includes a chair leg body 1 at the center and a plurality of wheel bars 2 regularly arranged along the circumferential direction of the chair leg body 1. The inner end part of the wheel rod 2 is detachably connected to the chair leg body 1, and the rod body of the wheel rod 2 is arranged along the radial direction of the chair leg body 1. This adjustable chair foot includes chair foot body 1 and can dismantle the wheel pole 2 of connecting on chair foot body 1, can unpack apart in packing, transportation based on can dismantling the connection and accomodate respectively to save packing space. Moreover, the rod body of the wheel rod 2 is arranged along the radial direction of the chair leg body 1, and when the wheel rods 2 are installed on the chair leg body 1, the wheel rods can be used as the extension of the chair leg body 1 in the radial direction, so that the stable supporting effect is achieved.

In a further scheme, a light groove 11 is arranged on the upper end face of the chair leg body 1 and/or the upper end face of the wheel rod 2, a light emitting part is embedded in the light groove 11, and a light transmitting layer 12 is arranged on a notch of the light groove 11. In the technical scheme, the luminous component is embedded in the lamp groove 11, and the RGB lamp strip can be selected as the luminous component, so that the decorative effect is good; for details, reference may be made to a luminous chair foot rest described in the chinese utility model patent document with publication number "CN 211632494U".

On the basis of the above scheme, the wheel rod 2 in the scheme can be adjusted in a radial direction of the chair foot body 1 and can be positioned at least at two different radial positions. Thereby the radial extension length of the wheel rod 2 relative to the chair leg body 1 is adjusted to construct chair legs with different support diameters, and then the chair legs can be adapted to chairs with different specifications. During installation, the specification of the chair leg can be adjusted based on the specification of the assembled chair, and the adaptability of the chair leg is wider.

In the specific embodiment shown in the figures, the side surface of the chair leg body 1 is provided with a shaft hole 13 which is arranged towards the center of the chair leg body in the radial direction, and the inner end part of the wheel rod 2 is arranged in the shaft hole 13 of the chair leg body 1 in a penetrating way and is connected with the inner wall of the shaft hole 13 to realize the radial positioning. In this technical scheme, wear to locate the shaft hole 13 of chair foot body 1 with the tip in the wheel pole 2, adopt to wear to establish the mode that cup joints, the installation of being convenient for on the one hand, on the other hand also supports the location to wheel pole 2 from all directions, guarantees joint strength and support strength.

On the basis, a plurality of connecting holes 14 which are radially arranged along the chair leg body 1 are formed in the inner wall of the shaft hole 13, an elastic connecting block 21 which can be clamped into the connecting holes 14 to be positioned is arranged on the wheel rod 2, and the elastic connecting block 21 is clamped into different connecting holes 14 so as to adjust the length of the inner end of the wheel rod 2 extending into the shaft hole 13. This technical scheme, with wheel pole 2 packing into shaft hole 13 in-process, elastic connection piece 21 can realize the joint location through 13 inner walls extrusion deformation in shaft hole when removing to connecting hole 14. The connecting holes 14 are radially arranged along the chair leg body 1, the elastic connecting block 21 is clamped into different connecting holes 14, and the extending lengths of the wheel rod 2 relative to the chair leg body 1 are different, so that chair legs with different supporting diameters are constructed.

In a specific embodiment, only one end of the elastic connecting block 21 in the radial direction is integrally connected or elastically and rotatably connected to the wheel rod 2, and the elastic connecting block 21 can deform by taking the connecting end as an axis point. And one side of the elastic connecting block 21 facing the chair leg body 1 is provided with a guide surface 211. This scheme is being packed into shaft hole 13 in-process with wheel pole 2, and elastic connection block 21 can be along its link for the axle point deformation, so can let elastic connection block 21 pass through shaft hole 13, and when removing to connecting hole 14 on, the realization joint is reset to elastic connection block 21 elasticity. Further, since the elastic connecting block 21 is provided with the guide surface 211 on the side facing the chair leg body 1, even if the elastic connecting block 21 has been snapped into one of the connecting holes 14, the elastic connecting block 21 can be removed from the connecting hole 14 by only continuing to apply the radially inward pressing force, so that the wheel bar 2 continues to move inward.

In addition, as shown in fig. 5, the inner wall of the shaft hole 13 and the side wall of the wheel lever 2 are both provided with a guide strip 22 and/or a guide groove 15 which are/is arranged along the radial direction of the chair leg body 1, and when the wheel lever 2 is inserted into the shaft hole 13, the guide strip 22 and the guide groove 15 are matched to realize the guide. In the technical scheme, the guide strip 22 and the guide groove 15 play a role in guiding, can be quickly guided and installed, and is more convenient to insert.

The two ends of the wheel rod 2 are also provided with elastic pressing blocks 23, only one radial end of each elastic pressing block 23 is integrally connected or elastically and rotatably connected to the wheel rod 2, and the elastic pressing blocks 23 can deform by taking the connecting ends thereof as axial points so as to press the inner wall of the shaft hole 13. In this technical scheme, 2 both sides of wheel pole need guarantee with 13 inner walls of shaft hole tight fittings to prevent that wheel pole 2 is not hard up. And the wheel rod 2 is required to be capable of penetrating into the shaft hole 13 and moving in the installation process. In order to meet the two requirements, the scheme is also provided with elastic pressing blocks 23 at two ends of the wheel rod 2. During installation, the elastic pressing block 23 can deform to enable the wheel rod 2 to move smoothly. After being installed, the inner wall of the shaft hole 13 can be pressed tightly so as not to loosen.

In a further scheme, when the wheel rod 2 is positioned and connected to the chair leg body 1, at least one part of the wheel rod 2 is abutted against the side wall of the chair leg body 1, so that radial and circumferential positioning is realized. In the scheme, when the wheel rod 2 is connected with the chair leg body 1 to construct the chair leg, the wheel rod 2 is abutted against the chair leg body 1, so that on one hand, the wheel rod 2 can be radially positioned, namely, the extending length of the wheel rod 2 relative to the chair leg body 1 is limited. On the other hand, the chair leg body 1 can be circumferentially positioned, so that the wheel rod 2 is prevented from being installed and loosened in the circumferential direction of the chair leg body 1.

In a specific embodiment, the wheel shaft 2 includes a wheel shaft bracket 201, and a cover plate 202 detachably connected to the wheel shaft bracket 201. The wheel lever 2 is provided with a plurality of cover plates 202 with different radial lengths, or at least the inner end of each cover plate 202 can be radially adjusted relative to the wheel lever bracket 201, so that when the wheel lever 2 is positioned and connected to the chair leg body 1, the cover plates 202 are replaced or the cover plates 202 are adjusted to enable the inner end of each cover plate 202 to be abutted against the side wall of the chair leg body 1, and radial positioning is achieved. Among the above-mentioned technical scheme, wheel pole 2 need wear to locate in the shaft hole 13 of chair foot body 1 to can follow shaft hole 13 and remove and carry out the specification and adjust. Meanwhile, the wheel rod 2 is required to be capable of being abutted against the side wall of the chair leg body 1 after being installed and positioned so as to realize radial and circumferential positioning. Therefore, in the scheme, a replaceable and optional cover plate 202 or an adjustable cover plate 202 is arranged to adapt to different installation depths of the wheel rod 2 and ensure that the wheel rod 2 is matched with the chair leg body 1 after being installed and positioned.

Example 2:

the embodiment provides a chair, which comprises chair legs, an air rod or a shaft rod arranged above the chair legs, a chair seat arranged at the top of the air rod or the shaft rod, and a chair back arranged on the chair seat. The chair leg is an adjustable chair leg as described in embodiment 1, and the lower end of the air rod or the shaft rod is inserted into the central hole 10 of the chair leg body 1.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims

1. An adjustable chair leg comprises a chair leg body (1) at the center and a plurality of wheel rods (2) regularly arranged along the circumferential direction of the chair leg body (1); the inner end part of the wheel rod (2) is detachably connected to the chair leg body (1), and the rod body of the wheel rod (2) is arranged along the radial direction of the chair leg body (1); the method is characterized in that: the wheel rod (2) can move and adjust along the radial direction of the chair leg body (1) and can be positioned at least at two different radial positions.

2. An adjustable chair foot according to claim 1, characterised in that: the side of the chair leg body (1) is provided with a shaft hole (13) which is radially arranged towards the center of the chair leg body, and the inner end part of the wheel rod (2) penetrates through the shaft hole (13) of the chair leg body (1) and is connected with the inner wall of the shaft hole (13) to realize radial positioning.

3. An adjustable chair foot according to claim 2, characterised in that: be equipped with on shaft hole (13) inner wall along a plurality of connecting holes (14) that radial arrangement of chair foot body (1), be equipped with on wheel pole (2) and go into can block into elastic connection piece (21) of location in connecting hole (14), elastic connection piece (21) block is gone into different connecting holes (14) and is stretched into the length in shaft hole (13) with regulation wheel pole (2) inner.

4. An adjustable chair foot according to claim 3, characterised in that: only one radial end of the elastic connecting block (21) is integrally connected or elastically and rotatably connected to the wheel rod (2), and the elastic connecting block (21) can deform by taking the connecting end as an axial point; and one side of the elastic connecting block (21) facing the chair leg body (1) is provided with a guide surface (211).

5. An adjustable chair foot according to claim 2, characterised in that: the inner wall of the shaft hole (13) and the side wall of the wheel rod (2) are provided with guide strips (22) and/or guide grooves (15) which are radially arranged along the chair leg body (1), and the wheel rod (2) is inserted in the shaft hole (13) to realize guiding based on the cooperation of the guide strips (22) and the guide grooves (15).

6. An adjustable chair foot according to claim 2, characterised in that: when the wheel rod (2) is positioned and connected on the chair leg body (1), at least one part of the wheel rod (2) is propped against the side wall of the chair leg body (1), so that radial and circumferential positioning is realized.

7. An adjustable chair foot according to claim 6, characterised in that: the wheel rod (2) comprises a wheel rod bracket (201) and a cover plate (202) which is detachably connected to the wheel rod bracket (201); the wheel rod (2) is provided with a plurality of cover plates (202) with different radial lengths, or at least the inner ends of the cover plates (202) can be radially adjusted relative to the wheel rod bracket (201), so that when the wheel rod (2) is positioned and connected to the chair leg body (1), the cover plates (202) are replaced or the cover plates (202) are adjusted to enable the inner ends of the cover plates (202) to be abutted against the side wall of the chair leg body (1), and radial positioning is achieved.

8. An adjustable chair foot according to claim 2, characterised in that: the two ends of the wheel rod (2) are further provided with elastic pressing blocks (23), only one radial end of each elastic pressing block (23) is integrally connected or elastically and rotatably connected onto the wheel rod (2), and the elastic pressing blocks (23) can deform by taking the connecting ends of the elastic pressing blocks as axial points so as to enable the elastic pressing blocks to press the inner wall of the axial hole (13).

9. An adjustable chair foot according to any one of claims 1 to 8, characterised in that: the chair leg comprises a chair leg body (1) and/or a wheel rod (2), wherein a light groove (11) is formed in the upper end face of the chair leg body (1) and/or the upper end face of the wheel rod (2), a light emitting part is embedded in the light groove (11), and a light transmitting layer (12) is installed on a notch of the light groove (11).

10. A chair comprises chair legs, an air rod or a shaft rod arranged above the chair legs, a chair seat arranged at the top of the air rod or the shaft rod, and a chair back arranged on the chair seat; the method is characterized in that: the chair leg is an adjustable chair leg as claimed in any one of claims 1-9, and the lower end of the air rod or the shaft rod is inserted into the central hole (10) of the chair leg body (1).