CN210930421U

CN210930421U - Chair with detachable top

Info

Publication number: CN210930421U
Application number: CN201921000238.9U
Authority: CN
Inventors: 陶国慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-07-07
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a chair, including lifter, cushion, back pad and connecting seat, its characteristics are: at least three bottom supporting rods are arranged on the periphery of the connecting seat at the lower end of the lifting rod, each bottom supporting rod comprises a horizontal supporting part and a connecting part, and the connecting parts are fixedly connected with the periphery of the connecting seat at the lower end of the lifting rod; a backrest support rod is connected between the backrest cushion and the rear side of the connecting seat at the upper end of the lifting rod; platform supporting rods are arranged on the left side and/or the right side of the connecting seat at the upper end of the lifting rod, and platforms are arranged on the platform supporting rods. The utility model discloses a holistic height of chair can be adjusted to the lifter, is connected the back branch extensible and that shorten between the rear side of the connecting seat of back pad and lifter upper end, still is provided with the platform branch extensible and that shorten, installs the platform that supplies to write, put effects such as thing on the last cantilever bar of platform branch, and the height of back pad and platform can be adjusted at will, has satisfied different customers' user demand, and has improved and has used the travelling comfort.

Description

Chair with detachable top

Technical Field

The utility model belongs to the technical field of anchor clamps, especially, relate to a chair.

Background

The chair has strong practicability and can be found in all rooms, and the main function of the chair is to facilitate people to have a rest, so that the comfort of the chair is the main standard for measuring the quality of the chair.

At present, a chair is generally provided with a lifting rod and other structures, so that the whole height of the chair can be adjusted, and a cushion of the chair can be rotated, but other parts, such as a backrest cushion and the like, cannot be adjusted in height, and cannot meet the use requirements of different customers. And the chair usually has the truckle and does not have the truckle two kinds, if the chair that the customer purchased there is the truckle, then just can not use in the room of timber apron, the timber apron can be harmd to the truckle, and the truckle although can dismantle, but the chair footing after the dismantlement truckle also can harm the timber apron, if the chair that the customer purchased does not have the truckle, then just can not satisfy the gliding function of chair.

Disclosure of Invention

The utility model aims at providing a chair aiming at the defects existing in the prior art.

The utility model adopts the technical proposal that: a chair comprises a lifting rod, a cushion and a backrest cushion, wherein the lifting rod is an air pressure lifting rod or a hydraulic lifting rod, connecting seats are respectively installed at the upper end and the lower end of the lifting rod, at least three foot supporting rods are evenly installed on the periphery of the connecting seat at the lower end of the lifting rod, each foot supporting rod comprises a horizontal supporting part and a connecting part which are mutually connected, the connecting parts are fixedly connected with the periphery of the connecting seat at the lower end of the lifting rod, and foot sleeves are sleeved at the outer ends of the horizontal supporting parts; a plurality of extensible and contractible backrest support rods are connected between the backrest cushion and the rear side of the connecting seat at the upper end of the lifting rod; the left side and/or the right side of the connecting seat at the upper end of the lifting rod are/is provided with platform supporting rods capable of extending and shortening, and platforms are arranged on the platform supporting rods.

The backrest support rod is bent to form a first bearing part and a first vertical rod, the first vertical rod can extend and shorten, and the bottom end of the first bearing part is fixedly connected with the rear side of a connecting seat at the upper end of the lifting rod.

The platform supporting rod is formed with a second bearing part, a second vertical rod and a second cantilever rod through bending, the second vertical rod can contract and extend, the platform is installed at the outer end of the cantilever rod, and the bottom end of the second bearing part is fixedly connected with the connecting seat at the upper end of the lifting rod.

The cushion is arranged on the upper end surfaces of the first bearing part and the second bearing part.

The foot sleeve is characterized by further comprising universal casters and a rubber pad, wherein the universal casters or the rubber pad are inserted at the lower end of the foot sleeve.

The first vertical rod comprises a lower rod body and an upper rod body, an axial sliding cavity is formed in the lower rod body, the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity, a screw hole communicated with the sliding cavity is formed in the upper end of the lower rod body, and a limiting bolt is screwed in the screw hole.

The first upright rod comprises a lower rod body and an upper rod body, an axial sliding cavity is arranged in the lower rod body, and the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity; the utility model discloses a set up the screw rod, including the base portion, the base portion is provided with the base portion, and the base portion is provided with the screw rod, and the base portion is provided with the base portion, and the base portion is provided with the.

The vertical rod II comprises a lower rod body and an upper rod body, an axial sliding cavity is formed in the lower rod body, the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity, a screw hole communicated with the sliding cavity is formed in the upper end of the lower rod body, and a limiting bolt is screwed in the screw hole.

The vertical rod II comprises a lower rod body and an upper rod body, an axial sliding cavity is arranged in the lower rod body, and the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity; the utility model discloses a set up the screw rod, including the base portion, the base portion is provided with the base portion, and the base portion is provided with the screw rod, and the base portion is provided with the base portion, and the base portion is provided with the.

The second vertical rod comprises a lower rod body and an upper rod body, an axial connecting screw hole is formed in the lower rod body, an external thread is formed in the upper rod body, and the upper rod body is in threaded connection with the connecting screw hole of the lower rod body.

The vertical rod II comprises a lower rod body and an upper rod body, a rotating shaft is arranged at the bottom of the upper rod body, an air rod is arranged inside the lower rod body, and a piston rod of the air rod is connected with the bottom of the rotating shaft; and the upper rod body is provided with a switch control rod matched with a valve switch at the upper end of the piston rod.

The outer end of the foot sleeve is connected with an upright post, and a pedal plate and a pedal ball are arranged on the upright post.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model discloses a lifter can adjust the whole height of chair, connects the back branch that can extend and shorten between the back pad and the rear side of the connecting seat of lifter upper end, still is provided with the platform branch that can extend and shorten, installs the platform that supplies to write, put things etc. on the upper cantilever bar of platform branch, and the height of back pad and platform can be adjusted at will, has satisfied different customers' user demand, and has improved the use travelling comfort; the universal caster or the rubber pad can be inserted and connected to the foot sleeve of the horizontal supporting part of the bottom foot supporting rod, the wood floor is not damaged under the condition of using the rubber pad, the chair can slide at will by using the universal caster, and the use is more convenient.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of embodiment 2 of the present invention.

Fig. 5 is a schematic structural view of embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of embodiment 3 of the present invention.

Fig. 7 is a schematic structural view of the upper rod body and the lower rod body of the present invention.

Fig. 8 is a schematic structural view of the upper rod body, the lower rod body and the limit bolt of the present invention.

Fig. 9 is an enlarged view of a in fig. 5.

Fig. 10 is a schematic structural view of the upper rod body, the lower rod body and the limiting device of the present invention.

Fig. 11 is a schematic structural view of embodiment 4 of the present invention.

Fig. 12 is a schematic structural view of the upper rod body and the lower rod body according to embodiment 4 of the present invention.

Detailed Description

The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.

Example 1, see figures 1, 2, 7, 8: the utility model provides a chair, includes lifter 1, cushion 2, back pad 3, platform 4, footing bracing piece 5, back branch and platform branch, connecting seat 6 is installed respectively at the upper and lower both ends of lifter 1, is connected with the pivot between the connecting seat 6 of lifter 1 and upper end, and wherein, lifter 1 is prior art's atmospheric pressure lifter or hydraulic lifting rod, still is connected with the lift valve switch (the drawing is not drawn) on it, and connecting seat 6 of the upper end of messenger can go up and down and can rotate.

In particular, the method comprises the following steps of,

footing bracing piece 5 is three at least, and even the installation is in 6 peripheries of the connecting seat of 1 lower extreme of lifter, footing bracing piece 5 is bent by the pipe and forms to be formed with horizontal support portion 7 and connecting

portion

8, 6 peripheries of the connecting seat of 1 lower extreme of lifter are provided with the recess, connecting portion 8 is installed in the recess to in the spiro union to the recess behind the 8 with bolt through connection portion, thereby with footing bracing piece 5 fixed to the connecting seat 6 of 1 lower extreme of lifter. The outer end of the horizontal supporting portion 7 is sleeved with a foot sleeve 10, the lower end of the foot sleeve 10 is connected with a universal caster 9 or a rubber pad 24 in an inserting mode, wherein the lower end of the foot sleeve 10 is provided with an inserting hole, the upper ends of the universal caster 9 and the rubber pad 24 are connected with an inserting column, the universal caster 9 (shown in figure 1) or the rubber pad 24 (shown in figure 2) can be inserted into the detachable inserting hole of the foot sleeve 10 through the inserting column respectively, a customer can replace the universal caster 9 or the rubber pad 24 at will, and using requirements are met. The outer end of one of the foot sleeves 10 is connected with a vertical post 25, and the vertical post is provided with a foot pedal 26 and a foot pedal ball 27 which can be stepped on by a user.

The backrest support rod is at least two, the backrest support rod is bent to form a bearing part I11 and an upright rod I12, the bearing part I11 can be horizontal or inclined, the upright rod I12 can contract and extend, the bottom end of the bearing part I11 is fixedly connected with the rear side of a connecting seat 6 at the upper end of a lifting rod 1, the connecting method of the bearing part I11 is the same as that of a foot supporting rod 5 and the connecting seat 6 at the lower end of the lifting rod 1, the upright rod I12 comprises an upper rod body 13 and a lower rod body 14 integrally connected with the bearing part I11, an axial sliding cavity is arranged in the lower rod body 14, the upper rod body 13 is inserted in the sliding cavity and can move up and down in the sliding cavity, so that the upright rod I12 can extend and shorten, a screw hole communicated with the sliding cavity is arranged at the upper end of the lower rod body 14, a limit bolt 15 (see figure 8) is screwed in the lower rod body, the limit bolt 15 is screwed to tightly push, thereby fixing the upper rod body 13. The backrest cushion 3 is mounted on the upper end of the upper rod body 13. The upright stanchion 12 can be extended and shortened, thereby being capable of adjusting the height of the backrest cushion 3 and meeting different use requirements of customers.

Platform branch, the left side and the right side of connecting seat 6 of lifter 1 upper end all are provided with platform branch, platform branch is through buckling type to be formed with two 16, two 17 and the pole 18 of encorbelmenting of bearing portion, two 17 extendible and shorten of pole, platform 4 is installed in the outer end of pole 18 of encorbelmenting, two the bottom of two 16 of bearing portion of platform branch respectively with the left side and the right side fixed connection of connecting seat 6 of lifter 1 upper end, wherein, two 17 of pole includes the lower body of rod 14 of being connected with two 16 an organic whole of bearing portion and the last body of rod 13 of being connected with 18 an organic whole of encorbelmenting of pole, be provided with axial connecting screw in the body of rod 14 down, be provided with the external screw thread (see figure 7) on the last body of rod 13, the spiro union of going up body of rod 13 is in the connecting screw of the body of rod 14 down, through clockwise or anticlockwise, the platform 4 is convenient for customers to use.

The cushion 2 is arranged on the upper end faces of the first bearing part 11 and the second bearing part 16, and other mounting structures are not needed, so that the cushion 2 is simple and convenient to mount.

Example 2, see figures 3, 4, 8: a chair differing from embodiment 1 in that: the first vertical rod 12 comprises an upper rod body 13 and a lower rod body 14 integrally connected with the first bearing part 11, an axial sliding cavity is formed in the lower rod body 14, the upper rod body 13 is inserted into the sliding cavity and can move up and down in the sliding cavity, a screw hole communicated with the sliding cavity is formed in the upper end of the lower rod body 14, a limiting bolt 15 (see figure 8) is screwed in the screw hole, and the limiting bolt 15 is screwed to tightly push the upper rod body 13, so that the upper rod body 13 is fixed. The backrest cushion 3 is mounted on the upper end of the upper rod body 13.

The second vertical rod 17 comprises a lower rod body 14 integrally connected with the second bearing part 16 and an upper rod body 13 integrally connected with the cantilever rod 18, an axial sliding cavity is formed in the lower rod body 14, the upper rod body 13 is inserted into the sliding cavity and can move up and down in the sliding cavity, a screw hole communicated with the sliding cavity is formed in the upper end of the lower rod body 14, a limiting bolt 15 (see figure 8) is screwed in the screw hole, and the limiting bolt 15 is screwed to tightly push the upper rod body 13, so that the upper rod body 13 is fixed. The backrest cushion 3 is mounted on the upper end of the upper rod body 13.

Example 3, see figures 5, 6, 9, 10: the upright rod I12 comprises an upper rod body 13 and a lower rod body 14 integrally connected with the bearing part I11, an axial sliding cavity is arranged in the lower rod body 14, and the upper rod body 13 is inserted in the sliding cavity and can move up and down in the sliding cavity; be provided with stop device 19 down on body of rod 14 and the last body of rod 13, stop device 19 includes the stop collar and tightens up cap 20, the stop collar includes that base portion 21 and the cover of fixed mounting 14 upper ends of the body of rod are established down on the last body of rod 13 and with the spacing portion 22 of the toper of last body of rod 13 clearance fit, be provided with axial opening cell body 23 on the spacing portion 22 of toper, be provided with the external screw thread on the spacing portion 22 of toper, tighten up cap 20 cover and establish on last body of rod 13, and tighten up and be provided with the supporting toper screw with the spacing portion 22 of toper in the cap 20, tighten up cap 20 spiro union is on the spacing portion 22 of toper. When the tightening cap 20 is rotated to make the tightening cap 20 approach the base portion 21, the tightening cap 20 will squeeze the conical limiting portion 22 to tightly hold the upper rod body 13, thereby fixing the upper rod body 13; when the height of the vertical rod 12 needs to be adjusted, the tightening cap 20 is rotated reversely, so that the tapered limiting part 22 loosens the upper rod body 13, the upper rod body 13 moves upwards or downwards, and the extension and contraction functions of the vertical rod 12 are realized.

The second vertical rod 17 comprises a lower rod body 14 and an upper rod body 13, an axial sliding cavity is arranged in the lower rod body 14, and the upper rod body 13 is inserted in the sliding cavity and can move up and down in the sliding cavity; be provided with stop device 19 down on body of rod 14 and the last body of rod 13, stop device 19 includes the stop collar and tightens up cap 20, the stop collar includes that base portion 21 and the cover of fixed mounting 14 upper ends of the body of rod are established down on the last body of rod 13 and with the spacing portion 22 of the toper of last body of rod 13 clearance fit, be provided with axial opening cell body on the spacing portion 22 of toper, be provided with the external screw thread on the spacing portion 22 of toper, tighten up cap 20 cover and establish on last body of rod 13, and tighten up and be provided with the supporting toper screw with the spacing portion 22 of toper in the cap 20, tighten up cap 20 spiro union is on the spacing portion 22 of toper. When the tightening cap 20 is rotated to make the tightening cap 20 approach the base portion 21, the tightening cap 20 will squeeze the conical limiting portion 22 to tightly hold the upper rod body 13, thereby fixing the upper rod body 13; when the height of the first vertical rod 12 needs to be adjusted, the tightening cap 20 is rotated reversely, so that the conical limiting part 22 loosens the upper rod body 13, the upper rod body 13 moves upwards or downwards, and the extending and shortening functions of the second vertical rod 17 are realized.

Example 4, see figures 11, 12: a chair differing from embodiment 1 in that: the second vertical rod 17 comprises a lower rod body 14 and an upper rod body 13, a rotating shaft 28 is arranged at the bottom of the upper rod body 13, an air rod is arranged inside the lower rod body 14, and a piston rod 29 of the air rod is connected with the bottom of the rotating shaft 28; the upper rod body 13 is provided with a switch control rod 30 matched with a valve switch at the upper end of the piston rod 29. In this embodiment, the height of the upper rod body 13 can be adjusted by the switch control rod 30, so as to realize the extending and shortening functions of the second vertical rod 17, and the rotating shaft 28 enables the cantilever lever 18 and the platform 4 to rotate.

Claims

1. The utility model provides a chair, includes lifter, cushion and back pad, the lifter is atmospheric pressure lifter or hydraulic lifting rod, the connecting seat, its characterized in that are installed respectively at the upper and lower both ends of lifter: at least three bottom supporting rods are uniformly arranged on the periphery of the connecting seat at the lower end of the lifting rod, each bottom supporting rod comprises a horizontal supporting part and a connecting part which are connected with each other, the connecting parts are fixedly connected with the periphery of the connecting seat at the lower end of the lifting rod, and the outer ends of the horizontal supporting parts are sleeved with foot sleeves; a plurality of extensible and contractible backrest support rods are connected between the backrest cushion and the rear side of the connecting seat at the upper end of the lifting rod; the left side and/or the right side of the connecting seat at the upper end of the lifting rod are/is provided with platform supporting rods capable of extending and shortening, and platforms are arranged on the platform supporting rods.

2. A chair according to claim 1, wherein: the backrest support rod is bent to form a first bearing part and a first vertical rod, the first vertical rod can extend and shorten, and the bottom end of the first bearing part is fixedly connected with the rear side of a connecting seat at the upper end of the lifting rod.

3. A chair according to claim 1, wherein: the platform supporting rod is formed with a second bearing part, a second vertical rod and a cantilever rod through bending, the second vertical rod can extend and shorten, the platform is installed at the outer end of the cantilever rod, and the bottom end of the second bearing part is fixedly connected with a connecting seat at the upper end of the lifting rod.

4. A chair as claimed in claim 1, 2 or 3, wherein: the cushion is arranged on the upper end surfaces of the first bearing part and the second bearing part.

5. A chair according to claim 1, wherein: the foot sleeve is characterized by further comprising universal casters and a rubber pad, wherein the universal casters or the rubber pad are inserted at the lower end of the foot sleeve.

6. A chair according to claim 2, wherein: the first vertical rod comprises a lower rod body and an upper rod body, an axial sliding cavity is formed in the lower rod body, the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity, a screw hole communicated with the sliding cavity is formed in the upper end of the lower rod body, and a limiting bolt is screwed in the screw hole.

7. A chair according to claim 2, wherein: the first upright rod comprises a lower rod body and an upper rod body, an axial sliding cavity is arranged in the lower rod body, and the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity; the utility model discloses a set up the screw rod, including the base portion, the base portion is provided with the base portion, and the base portion is provided with the screw rod, and the base portion is provided with the base portion, and the base portion is provided with the.

8. A chair according to claim 3, wherein: the vertical rod II comprises a lower rod body and an upper rod body, an axial sliding cavity is formed in the lower rod body, the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity, a screw hole communicated with the sliding cavity is formed in the upper end of the lower rod body, and a limiting bolt is screwed in the screw hole.

9. A chair according to claim 3, wherein: the vertical rod II comprises a lower rod body and an upper rod body, an axial sliding cavity is arranged in the lower rod body, and the upper rod body is inserted in the sliding cavity and can move up and down in the sliding cavity; the utility model discloses a set up the screw rod, including the base portion, the base portion is provided with the base portion, and the base portion is provided with the screw rod, and the base portion is provided with the base portion, and the base portion is provided with the.

10. A chair according to claim 3, wherein: the second vertical rod comprises a lower rod body and an upper rod body, an axial connecting screw hole is formed in the lower rod body, an external thread is formed in the upper rod body, and the upper rod body is in threaded connection with the connecting screw hole of the lower rod body.

11. A chair according to claim 3, wherein: the vertical rod II comprises a lower rod body and an upper rod body, a rotating shaft is arranged at the bottom of the upper rod body, an air rod is arranged inside the lower rod body, and a piston rod of the air rod is connected with the bottom of the rotating shaft; and the upper rod body is provided with a switch control rod matched with a valve switch at the upper end of the piston rod.

12. A chair according to claim 5, wherein: the outer end of the foot sleeve is connected with an upright post, and a pedal plate and a pedal ball are arranged on the upright post.