CN209932084U - Chair with shelf - Google Patents

Abstract

The utility model discloses a take chair of shelf, including supporting seat, supporting legs, back and bedplate, be equipped with the bracing piece on the supporting legs, the upper end activity of bracing piece is provided with rotating assembly, rotating assembly's lower extreme has seted up fan-shaped swivelling chute to inside, rotating assembly's lower extreme inboard still be equipped with along the horizontal direction with the spacing groove that fan-shaped swivelling chute is linked together, the lower extreme of fan-shaped swivelling chute inside wall extend to the spacing groove direction has the spacing piece, the bracing piece rotates to set up at fan-shaped swivelling chute, and the last rotation of rotating assembly is provided with the shelf connecting piece, the upper end of shelf connecting piece is equipped with the shelf, one side and shelf connecting piece fixed connection of shelf. The utility model discloses a shelf on the chair can stretch out and draw back and expand, and convenience of use places some simple articles, convenient to use, and one side of chair is arranged in to the shelf during flexible, and convenience of use gets up and walks about.

Description

Chair with shelf

Technical Field

The utility model relates to the field of furniture, more specifically say, it relates to a chair of taking shelf.

Background

In the life of modern people, the chair can not be used for rest, work or entertainment. Along with the improvement of living standard of people, the requirements of people on chairs are higher and higher, so that the chairs are provided with the shelf on the market, and when people sit on the chairs, simple objects such as tea cups, books and the like can be placed on the chair. However, the existing shelf has a single function, cannot perform a telescopic function, is mostly fixed on a chair, and cannot meet the living needs of people to the maximum extent. The patent with the granted publication number of CN203060436U discloses an infusion chair with a rotary shelf, wherein a slide way is arranged in a handrail at one side of the infusion chair, the slide way is provided with a slide rod, the front part of the slide rod is provided with the shelf, a positioning block is arranged on the slide rod behind the shelf, and the positioning block and the shelf are positioned on the same horizontal plane; the head of the handrail is provided with a horizontal concave seam which corresponds to the positioning block, and the broken surface of the head of the handrail above the concave seam is provided with a safety strip. The shelf is in an upright state at ordinary times and is positioned below the handrail, when the shelf is needed, the sliding rod is pulled outwards, after the positioning block is moved out of the slide way, the shelf and the positioning block are turned into a horizontal state from a vertical state, then the sliding rod is moved inwards to the slide way, the positioning block on the sliding rod is embedded into the groove opening at the head of the handrail, the safety strip is turned into a vertical state, the safety strip can block the positioning block to move outwards, and therefore the shelf can stably keep the horizontal state, and patients with transfusion can see the newspaper and use a tablet personal computer. However, the shelf on the chair is arranged at the front end of the chair, and when a person gets up and walks, the person needs to transfer the articles placed on the shelf and then store the shelf, which is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a take chair of shelf, shelf on this chair can stretch out and draw back and expand, and convenience of customers places some simple articles, and one side of chair is arranged in to the shelf during flexible, and convenience of customers stands up and walks about.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a take chair of shelf, includes supporting seat, supporting legs, back and bedplate, be equipped with the bracing piece on the supporting legs, the upper end activity of bracing piece is provided with rotating assembly, rotating assembly's lower extreme has seted up fan-shaped swivelling chute inside to, rotating assembly's lower extreme inboard still be equipped with along the horizontal direction with the spacing groove that fan-shaped swivelling chute is linked together, the lower extreme of fan-shaped swivelling chute inside wall extends to the spacing groove direction has the spacing piece, the bracing piece rotates to set up at fan-shaped swivelling chute, and the last rotation of rotating assembly is provided with the shelf connecting piece, the upper end of shelf connecting piece is equipped with the shelf, one side and shelf connecting piece. Thus, when the shelf on the chair is in a contraction state, the plane of the shelf is arranged along the vertical direction, and the shelf is arranged on one side of the chair; when the shelf on the chair is in an unfolded state, the plane of the shelf is arranged along the horizontal direction, and the shelf is arranged right in front of the chair. The shelf is in a telescopic state when not in use, and the shelf is arranged on one side of the chair when being telescopic, so that a user can get up and move conveniently. When the shelf is used, the shelf is rotated in the vertical direction, and the shelf drives and drives the rotating assembly to rotate, so that the plane of the shelf is changed from the vertical arrangement to the horizontal arrangement; then, the shelf is rotated in the horizontal direction, so that the shelf is horizontally rotated to the unfolding state relative to the rotating assembly,

preferably, the rotating assembly includes a first rotating body and a second rotating body, the fan-shaped rotating groove and the limiting groove are disposed at a joint of the first rotating body and the second rotating body, the first rotating body and the second rotating body are fixedly connected by a fastening member and hinged to an upper end of the support rod, the first rotating body and the second rotating body are respectively provided with semi-annular mounting grooves, one end of the shelf connecting member is limited in the two semi-annular mounting grooves, and the other end of the shelf connecting member passes through the rotating assembly and fixes the shelf. The rotating assembly is formed by assembling the first rotating body and the second rotating body, and the shelf connecting piece is convenient to mount.

Preferably, the upper end of the first rotating body and/or the second rotating body extends upwards to form a second protrusion, a rotating disc and a connecting plate are further arranged between the shelf connecting piece and the shelf, a semi-annular groove is formed in the rotating disc around the shelf connecting piece, and the second protrusion on the first rotating body and/or the second rotating body is embedded in the semi-annular groove so as to limit the rotating range of the shelf relative to the rotating assembly. When the rotating disc rotates, the semi-annular groove on the rotating disc rotates relative to the second protrusion, and the second protrusion is limited in a semicircular range taking the shelf connecting piece as the center and taking the distance from the shelf connecting piece to the semi-annular groove as the radius, so that the shelf is limited in two positions, namely the right front position of the chair and one side of the chair.

Preferably, the rotary plate, the connecting plate and the shelf are integrally formed by injection molding. The rotating disc, the connecting plate and the shelf are integrally formed through injection molding, the strength is high, and the processing and manufacturing cost can be reduced.

Preferably, a plurality of first reinforcing ribs are arranged on the lower end face of the shelf, and the plurality of first reinforcing ribs are of a net structure. The first reinforcing ribs can enhance the strength of the shelf.

Preferably, a plurality of second reinforcing ribs are arranged on the lower end face of the rotating disc, and the second reinforcing ribs are of a honeycomb structure. Thus, the second reinforcing rib can enhance the strength of the rotating disk.

Preferably, a sleeve is fitted over the upper ends of the first rotating body and the second rotating body. Thus, the sleeve can enhance the connection strength of the first rotating body and the second rotating body.

Preferably, a sliding groove is formed in the outer side wall of the first rotating body and/or the second rotating body in the vertical direction, and a protruding strip matched with the sliding groove is formed in the inner side wall of the sleeve. Therefore, the raised strips on the sleeve are embedded into the grooves of the first rotating body and the second rotating body, and the sleeve is prevented from rotating relative to the rotating assembly.

Preferably, the height of the limiting groove in the vertical direction is lower than that of the fan-shaped rotating groove, and the height of the supporting rod in the vertical direction is greater than that of the limiting groove. Like this, the bracing piece is greater than the height of spacing groove at the height of vertical direction, and when the shelf plane was in the horizontal direction, when placing the heavy object on the shelf, it is rotatory to avoid the shelf to receive the influence of heavy object gravity to take place to increase the intensity that the shelf level set up.

To sum up, the utility model discloses beneficial effect who has: the shelf on the chair can be quickly stretched and retracted, so that a user can conveniently place simple objects, the chair is convenient to use and can meet the living requirements of people, and the shelf is placed on one side of the chair during stretching and retraction, so that the user can get up and walk conveniently; in addition, the rotating assembly is formed by assembling the first rotating body and the second rotating body, so that the assembly of the shelf connecting piece is convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a first rotating body of the present invention;

fig. 3 is a schematic structural view of a second rotating body according to the present invention;

fig. 4 is a schematic structural view illustrating the assembly of the first rotating body and the shelf connecting member according to the present invention;

FIG. 5 is a schematic view of the assembly of the rotating assembly, rotating disc and connecting plate of the present invention;

fig. 6 is a schematic structural view of the sleeve of the present invention;

fig. 7 is a schematic structural view of the rotating assembly of the present invention;

fig. 8 is a schematic structural view of the assembly of the first rotating body and the second rotating body according to the present invention;

fig. 9 is a schematic structural view of the rotating disk of the present invention;

fig. 10 is a bottom view of the shelf of the present invention.

Reference numerals: 1. a supporting seat; 2. supporting legs; 3. a backrest; 4. a seat plate; 5. a support bar; 6. a rotating assembly; 7. a first rotating body; 8. a second rotating body; 9. a first protrusion; 10. blind holes; 11. a sector-shaped rotary slot; 12. a limiting groove; 13. a limiting block; 14. a semi-annular mounting hole; 15. a semi-annular mounting groove; 16. a second protrusion; 17. a shelf attachment; 18. rotating the disc; 19. a semi-annular groove; 20. a connecting plate; 21. a shelf; 22. a first reinforcing rib; 23. a second reinforcing rib; 24. a sleeve; 25. a chute; 26. and (4) raised strips.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The embodiment discloses a chair with a shelf, as shown in fig. 1, comprising a supporting seat 1, a supporting leg 2, a backrest 3 and a seat plate 4, wherein the supporting leg 2 is provided with a supporting rod 5, the upper end of the supporting rod 5 is movably provided with a rotating component 6, as shown in fig. 2, 3 and 4, the lower end of the rotating component 6 is internally provided with a fan-shaped rotating groove 11, the inner side of the lower end of the rotating component 6 is further provided with a limit groove 12 communicated with the fan-shaped rotating groove 11 along the horizontal direction, the rotating component 6 comprises a first rotating body 7 and a second rotating body 8, the fan-shaped rotating groove 11 and the limit groove 12 are arranged at the joint part of the first rotating body 7 and the second rotating body 8, the first rotating body 7 and the second rotating body 8 are fixedly connected through a fastener and hinged with the upper end of the supporting rod 5, the outer side walls of the first rotating body 7 and the second rotating body 8 are both in a step shape, the inner side wall of the second rotating body 8 is provided with a blind hole 10 which is matched with the first protrusion 9, when the first rotating body 7 and the second rotating body 8 are assembled, the first protrusion 9 on the first rotating body 7 is embedded into the blind hole 10 on the second rotating body 8, and therefore the first rotating body 7 and the second rotating body 8 can be preassembled. The lower extreme of fan-shaped swivelling chute 11 inside wall extends spacing piece 13 to spacing groove 12 direction, and bracing piece 5 rotates and sets up in fan-shaped swivelling chute 11, and spacing groove 12 highly is less than the height of fan-shaped swivelling chute 11 in vertical direction, and bracing piece 5 highly is greater than the height of spacing groove 12 in vertical direction. The height of bracing piece 5 in vertical direction is greater than the height of spacing groove 12, and when the shelf 21 plane was in the horizontal direction, placed the heavy object on the shelf 21 after, avoided shelf 21 to receive heavy object gravity to influence the emergence rotation to increase the intensity that shelf 21 level set up. The upper ends of the fan-shaped rotating grooves 11 on the first rotating body 7 and the second rotating body 8 are provided with semi-annular mounting holes 14, the first rotating body 7 and the second rotating body 8 are respectively provided with semi-annular mounting grooves 15, the semi-annular mounting grooves 15 are communicated with the fan-shaped rotating grooves 11 through the semi-annular mounting holes 14, and the upper ends of the first rotating body 7 and/or the second rotating body 8 extend upwards to form second protrusions 16. As shown in fig. 5, 6 and 7, a shelf connecting piece 17 is rotatably disposed in the semi-annular mounting grooves 15, one end of the shelf connecting piece 17 is limited in the two semi-annular mounting grooves 15, the other end of the shelf connecting piece passes through the rotating assembly 6 and is fixed with a rotating disc 18, the shelf connecting piece 17 is a bolt, the head of the bolt is limited in the semi-annular mounting groove 15, the screw of the bolt passes through the rotating assembly 6 and is fixed with the rotating disc 18, and the rotating disc 18 is provided with a nut matched with the bolt. The rotating assembly 6 is assembled by the first rotating body 7 and the second rotating body 8, and the shelf connecting piece 17 is convenient to install. In addition, a plurality of second reinforcing ribs 23 are provided on the lower end surface of the rotating disk 18, and the plurality of second reinforcing ribs 23 have a honeycomb structure. The second reinforcing rib 23 is provided to reinforce the strength of the rotating disk 18. A semi-annular groove 19 is formed in the rotating disc 18 around the shelf connecting piece 17, the second protrusion 16 on the first rotating body 7 and/or the second rotating body 8 is/are embedded into the semi-annular groove 19 so as to limit the rotating range of the shelf 21 relative to the rotating assembly 6, a connecting plate 20 is fixed at the upper end of the rotating disc 18, the shelf 21 is arranged on the connecting plate 20, one side of the shelf 21 is fixedly connected with the connecting plate 20, when the rotating disc 18 rotates, the semi-annular groove 19 on the rotating disc 18 rotates relative to the second protrusion 16 and is limited by the second protrusion 16 in a semi-circular range taking the distance from the shelf connecting piece 17 to the semi-annular groove 19 as a radius, and the shelf 21 is limited in two positions, namely the position right in front of the chair and the position on one side of the chair. The rotary disk 18, the connecting plate 20 and the shelf 21 are integrally formed by injection molding. The rotary disc 18, the connecting plate 20 and the shelf 21 are integrally formed by injection molding, so that the strength is high, and the processing and manufacturing cost can be reduced. Thus, when shelf 21 on the chair is in a retracted state, the plane of shelf 21 is arranged along the vertical direction, and shelf 21 is arranged on one side of the chair; when shelf 21 on the chair is in the unfolded state, the plane of shelf 21 is arranged along the horizontal direction, and shelf 21 is arranged right in front of the chair. The shelf 21 is in a telescopic state when not in use, and the shelf 21 is arranged on one side of the chair when being telescopic, so that a user can get up and walk conveniently. When the shelf is used, the shelf 21 is rotated in the vertical direction, and the shelf 21 drives and drives the rotating assembly 6 to rotate, so that the plane of the shelf 21 is changed from the vertical arrangement to the horizontal arrangement; then, shelf 21 is rotated in the horizontal direction, so that shelf 21 is rotated in the horizontal direction to the unfolded state with respect to rotating assembly 6.

As shown in fig. 2, 8 and 9, the sleeves 24 are sleeved on the upper ends of the first rotating body 7 and the second rotating body 8, so that the whole rotating assembly 6 is cylindrical, and the arrangement of the sleeves 24 can enhance the connection strength between the first rotating body 7 and the second rotating body 8. The outer side wall of the first rotating body 7 and/or the second rotating body 8 is provided with a sliding groove 25 along the vertical direction, and the inner side wall of the sleeve 24 is provided with a convex strip 26 matched with the sliding groove 25. The ribs 26 on the sleeve 24 are engaged in the grooves of the first rotating body 7 and the second rotating body 8, so as to prevent the sleeve 24 from rotating relative to the rotating assembly 6. As shown in fig. 10, the lower end surface of the shelf plate 21 is provided with a plurality of first reinforcing ribs 22, and the plurality of first reinforcing ribs 22 have a net structure. The first reinforcing bead 22 is provided to reinforce the strength of the shelf 21.

Assembling shelf 21: firstly, the head of a bolt is assembled in the semi-annular mounting groove 15 of the first rotating body 7, the second rotating body 8 is assembled, and a sleeve 24 is sleeved on the second rotating body; then, the second protrusions 16 on the first rotating body 7 and the second rotating body 8 are respectively embedded into the semi-annular grooves 19, and a wrench passes through the semi-annular mounting holes 14 on the first rotating body 7 and the second rotating body 8 to screw the bolts on the nuts of the rotating disc 18; finally, the upper end of the support rod 5 is inserted into the fan-shaped rotating groove 11, and the bolt passes through the through hole on the first rotating body 7, the support rod 5 and the through hole on the second rotating body 8, so that the support rod 5 is rotatably connected with the rotating assembly 6.

Use of shelf 21: when the device is used, the shelf 21 is rotated in the vertical direction, the shelf 21 drives the connecting plate 20 and the rotating disc 18 to rotate, and the rotating disc 18 simultaneously drives the rotating assembly 6 to rotate, so that the plane of the shelf 21 is changed from the vertical arrangement to the horizontal arrangement; then, the shelf 21 is rotated in the horizontal direction, and the shelf 21 drives the connecting plate 20 and the rotating disc 18 to rotate, so that the shelf 21 rotates to the unfolding state in the horizontal direction relative to the rotating assembly 6. Retraction of shelf 21: the shelf 21 is rotated in the vertical direction, the shelf 21 drives the connecting plate 20 and the rotating disc 18 to rotate, and the rotating disc 18 simultaneously drives the rotating assembly 6 to rotate, so that the plane of the shelf 21 is changed from the horizontal arrangement to the vertical arrangement; rotating shelf 21 in the vertical direction, shelf 21 drives connecting plate 20 and rotating disc 18 to rotate, so that the plane of shelf 21 maintains the vertical arrangement and rotates downwards to the contracted state.

The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a take chair of shelf, includes supporting seat (1), supporting legs (2), back (3) and bedplate (4), be equipped with bracing piece (5), characterized by on supporting legs (2): the activity of the upper end of bracing piece (5) is provided with rotating assembly (6), fan-shaped swivelling chute (11) have been seted up to inside to the lower extreme of rotating assembly (6), the lower extreme inboard of rotating assembly (6) still be equipped with along the horizontal direction with spacing groove (12) that fan-shaped swivelling chute (11) are linked together, the lower extreme of fan-shaped swivelling chute (11) inside wall extends spacing piece (13) to spacing groove (12) direction, bracing piece (5) rotate to set up in fan-shaped swivelling chute (11), rotate on rotating assembly (6) and are provided with shelf connecting piece (17), the upper end of shelf connecting piece (17) is equipped with shelf (21), one side and shelf connecting piece (17) fixed connection of shelf (21).

2. The chair with shelf as claimed in claim 1, wherein: rotating assembly (6) includes first rotator (7) and second rotator (8), fan-shaped swivelling chute (11) with spacing groove (12) set up the joint position at first rotator (7) and second rotator (8), first rotator (7) with second rotator (8) pass through fastener fixed connection and articulate with the upper end of bracing piece (5), first rotator (7) with second rotator (8) are equipped with semi-annular mounting groove (15) respectively, shelf connecting piece (17) one end is spacing in two semi-annular mounting grooves (15), and rotating assembly (6) and fixed shelf (21) are passed to the other end.

3. The chair with shelf as claimed in claim 2, wherein: the upper end of the first rotating body (7) and/or the second rotating body (8) extends upwards to form a second bulge (16), a rotating disc (18) and a connecting plate (20) are further arranged between the shelf connecting piece (17) and the shelf (21), a semi-annular groove (19) is formed in the rotating disc (18) around the shelf connecting piece (17), and the second bulge (16) on the first rotating body (7) and/or the second rotating body (8) is embedded into the semi-annular groove (19) so that the rotating range of the shelf (21) relative to the rotating assembly (6) is limited.

4. The chair with shelf as claimed in claim 3, wherein: the rotating disc (18), the connecting plate (20) and the shelf (21) are integrally formed through injection molding.

5. A chair with shelves according to claim 3 or 4, wherein: the lower terminal surface of shelf (21) is provided with a plurality of first strengthening rib (22), a plurality of first strengthening rib (22) are network structure.

6. A chair with shelves according to claim 3 or 4, wherein: the lower end face of the rotating disc (18) is provided with a plurality of second reinforcing ribs (23), and the second reinforcing ribs (23) are of a honeycomb structure.

7. The chair with shelf as claimed in claim 2, wherein: the upper ends of the first rotating body (7) and the second rotating body (8) are sleeved with sleeves (24).

8. The chair with shelf as claimed in claim 7, wherein: the outer side wall of the first rotating body (7) and/or the second rotating body (8) is/are provided with a sliding groove (25) along the vertical direction, and the inner side wall of the sleeve (24) is provided with a convex strip (26) matched with the sliding groove (25).

9. The chair with shelf as claimed in claim 1, wherein: the height of the limiting groove (12) in the vertical direction is lower than that of the fan-shaped rotating groove (11), and the height of the supporting rod (5) in the vertical direction is larger than that of the limiting groove (12).

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