CN209825695U - Folding desk and chair - Google Patents

Folding desk and chair Download PDF

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Publication number
CN209825695U
CN209825695U CN201920186223.XU CN201920186223U CN209825695U CN 209825695 U CN209825695 U CN 209825695U CN 201920186223 U CN201920186223 U CN 201920186223U CN 209825695 U CN209825695 U CN 209825695U
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CN
China
Prior art keywords
chair
shaped rod
shaped
rod
arm
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920186223.XU
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Chinese (zh)
Inventor
王丽
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Shaanxi Polytechnic Institute
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Shaanxi Polytechnic Institute
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Priority to CN201920186223.XU priority Critical patent/CN209825695U/en
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Publication of CN209825695U publication Critical patent/CN209825695U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a folding desk and chair, which comprises a chair, a desk and a pull rod; the chair comprises a first U-shaped rod, a second U-shaped rod, a third U-shaped rod and a chair plate; the end parts of the two vertical arms of the second U-shaped rod are respectively hinged to the middle parts of the two vertical arms of the first U-shaped rod, and the middle parts of the two vertical arms of the third U-shaped rod are respectively hinged to the middle lower parts of the two vertical arms of the first U-shaped rod; the chair plate is fixedly connected to the upper part of the second U-shaped rod, and the lower surface of the chair plate is provided with a limiting piece for limiting the relative position of the cross arm of the third U-shaped rod and the cross arm of the second U-shaped rod; the table is fixed right above the chair through a parallelogram mechanism. The utility model discloses folding desk chair can satisfy single chair, single table when using, can also fold when idle and deposit, practices thrift the space, and expandes and fold light, nimble.

Description

Folding desk and chair
Technical Field
The utility model relates to a teaching facility field, concretely relates to folding desk chair.
Background
As people pay more and more attention to children education, family education becomes a common phenomenon, and desk and chair are the most painful problems for teachers in family education, and more than ten desks cannot be put down at the same time due to small space in the family. In some students in the countryside, because classroom table and chair are limited in junior schools, when the examination is needed, a teacher can arrange that students using double desks can leave the classroom alone to lie on the desk for answering questions, and another student holds a chair to a playground and lies on the chair for examination, so that good conditions can not be provided for students, and the examination performance of the students is influenced.
In order to solve the problem, the utility model discloses a novel foldable table chair can satisfy the purpose of single chair, single table, has improved the utilization ratio of table chair to when the table chair is idle, folding depositing saves space.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the main object of the present invention is to provide a foldable desk and chair, which can satisfy the requirements of single chair and single desk when in use, and can be folded and stored when not in use, thereby saving space.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A folding desk and chair comprises a chair, a desk and a pull rod; the chair comprises a first U-shaped rod, a second U-shaped rod, a third U-shaped rod and a chair plate; the end parts of the two vertical arms of the second U-shaped rod are respectively hinged to the middle parts of the two vertical arms of the first U-shaped rod, and the middle parts of the two vertical arms of the third U-shaped rod are respectively hinged to the middle lower parts of the two vertical arms of the first U-shaped rod; the chair plate is fixedly connected to the upper part of the second U-shaped rod, the lower surface of the chair plate is provided with a limiting piece, and the limiting piece is used for limiting the relative position of the cross arm of the third U-shaped rod and the cross arm of the second U-shaped rod, so that the left arm and the right arm of the first U-shaped rod, the second U-shaped rod and the third U-shaped rod respectively form a triangular structure; the table comprises a swing rod, right-angle steel and a table plate; the outer side of the same vertical arm of the second U-shaped rod is hinged with two swing rods, the upper ends of the two swing rods are respectively hinged with two ends of a vertical edge of the right-angle steel, and the two swing rods, the vertical edge of the right-angle steel and the second U-shaped rod form a parallelogram mechanism; a table plate is fixedly arranged on the transverse edge of the right-angle steel and is positioned right above the chair plate; one end of the pull rod is connected to the middle of any swing rod, and the other end of the pull rod is connected to the middle of the vertical arm of the first U-shaped rod.
Furthermore, the limiting part is fixedly connected to the lower surface of the chair plate, the limiting part is provided with a kidney-shaped hole, the cross arm of the third U-shaped rod penetrates through the kidney-shaped hole, and when the cross arm of the third U-shaped rod is located at the front end of the kidney-shaped hole, the second U-shaped rod is in a horizontal state.
Further, the parallelogram mechanism of desk leans forward, the middle part of pendulum rod is provided with oblique ascending U-shaped groove, correspondingly, be provided with on the pull rod corresponding to the fender axle in U-shaped groove, fender axle card is gone into the U-shaped groove, the other end of pull rod with the middle part of the perpendicular arm of first U-shaped pole is articulated.
Furthermore, the pull rod comprises a first sub-pull rod and a second sub-pull rod, the head end of the first sub-pull rod is hinged to the tail end of the second sub-pull rod, the blocking shaft is arranged at the tail end of the first sub-pull rod, and the head end of the second sub-pull rod is hinged to the middle of the vertical arm of the first U-shaped rod.
Further, a back cushion is arranged on the inner side of the first U-shaped rod. The utility model discloses technical scheme can satisfy single chair, single table during the use for prior art's desk chair, can also fold when idle and deposit, practices thrift the space, and expandes and fold light, nimble.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the foldable desk and chair of the present invention;
FIG. 2 is a schematic perspective view of the chair plate and the position limiting member of the foldable desk and chair of the present invention;
FIG. 3 is a schematic perspective view of a swing link of the foldable desk and chair of the present invention;
FIG. 4 is a schematic view of the first sub-rod and the second sub-rod of the folding desk and chair;
fig. 5 is a schematic view of the folding desk and chair of the present invention.
In the above figures: 1, a chair; 11 a first U-shaped bar; 12 a second U-shaped bar; 13 a third U-shaped bar; 14 a chair plate; 15 a limiting member; 151 kidney-shaped holes; 16 back cushion; 2, a table; 21 oscillating bar; 211 a U-shaped groove; 22 right angle steel; 23 a table board; 3, a pull rod; 31 a stop shaft; 32 a first sub-pull rod; 33 second sub-tie-rods.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1, a folding desk and chair comprises a chair 1, a desk 2 and a pull rod 3; the chair 1 comprises a first U-shaped rod 11, a second U-shaped rod 12, a third U-shaped rod 13 and a chair plate 14; the end parts of two vertical arms of the second U-shaped rod 12 are respectively hinged to the middle parts of two vertical arms of the first U-shaped rod 11, and the middle parts of two vertical arms of the third U-shaped rod 13 are respectively hinged to the middle lower parts of two vertical arms of the first U-shaped rod 11; the chair plate 14 is fixedly connected to the upper portion of the second U-shaped rod 12, a limiting member 15 is arranged on the lower surface of the chair plate 14, and the limiting member 15 is used for limiting the relative position of the cross arm of the third U-shaped rod 13 and the cross arm of the second U-shaped rod 12, so that the left arm and the right arm of the first U-shaped rod 11, the second U-shaped rod 12 and the third U-shaped rod 13 form a triangular structure respectively; the table 2 comprises a swing rod 21, right-angle steel 22 and a table plate 23; the outer side of the same vertical arm of the second U-shaped rod 12 is hinged with two swing rods 21, the upper ends of the two swing rods 21 are respectively hinged with two ends of the vertical edge of the right-angle steel 22, and the two swing rods 21, the vertical edge of the right-angle steel 22 and the second U-shaped rod 12 form a parallelogram mechanism; a table plate 23 is fixedly arranged on the transverse edge of the right-angle steel 22, and the table plate 23 is positioned right above the chair plate 14; one end of the pull rod 3 is connected to the middle of any swing rod 21, and the other end of the pull rod 3 is connected to the middle of the vertical arm of the first U-shaped rod 11.
In the above embodiment, the first U-shaped bar 11, the second U-shaped bar 12 and the third U-shaped bar 13 form the stable chair 1 with a triangular structure. The table 2 is hinged on the side part of the chair 1 through a parallelogram mechanism, and the chair 1 and the table 2 are fixed through arranging a pull rod 3 between the first U-shaped rod and a swing rod 21 of the parallelogram.
Further, referring to fig. 2, the limiting member 15 is fixedly connected to the lower surface of the chair plate 14, the limiting member 15 is provided with a kidney-shaped hole 151, the crossbar of the third U-shaped rod 13 passes through the kidney-shaped hole 151, and when the crossbar of the third U-shaped rod 13 is stopped at the front end of the kidney-shaped hole 151, the second U-shaped rod 12 is in a horizontal state.
In the above embodiment, the stopper 15 having the waist-shaped hole 151 is provided on the lower surface of the seat plate 14, the crossbar of the third U-shaped bar 13 is inserted through the waist-shaped hole 151, and when the crossbar of the third U-shaped bar 13 is stopped at the front end of the stopper 15, the first U-shaped bar 11, the second U-shaped bar 12, and the third U-shaped bar 13 form a stable chair with a triangular structure. When it is desired to fold, the cross-arm of the third U-shaped bar 13 slides along the kidney-shaped hole 151. The provision of the kidney-shaped hole 151 reliably ensures that the first U-shaped bar 11, the second U-shaped bar 12, and the third U-shaped bar 13 can form a stable triangular structure.
Further, referring to fig. 2, the parallelogram mechanism of the table 2 tilts forward, the middle of the swing rod 21 is provided with an inclined upward U-shaped groove 211, correspondingly, the pull rod 3 is provided with a blocking shaft 31 corresponding to the U-shaped groove 211, the blocking shaft 31 is clamped into the U-shaped groove 211, and the other end of the pull rod 3 is hinged to the middle of the vertical arm of the first U-shaped rod 11.
In the above embodiment, as a preferable scheme, the folding table and chair is more flexible, the middle part of the swing rod 21 is provided with the U-shaped groove 211 which is inclined upwards, one end of the pull rod 3 is provided with the blocking shaft 31, the blocking shaft 31 is clamped into the U-shaped groove 211, the other end of the pull rod 3 is hinged to the middle part of the vertical arm of the first U-shaped rod 11, because the parallelogram mechanism of the table 2 is inclined forwards, a user leans on the table 2 to apply downward pressure to the table 2, and the pull rod 3 pulls the parallelogram mechanism backwards, so the table 2 is stable and reliable.
Further, referring to fig. 4 and 5, the pull rod 3 includes a first sub-pull rod 32 and a second sub-pull rod 33, a head end of the first sub-pull rod 32 is hinged to a tail end of the second sub-pull rod 33, the stop shaft 31 is disposed at the tail end of the first sub-pull rod 32, and a head end of the second sub-pull rod 33 is hinged to a middle portion of the vertical arm of the first U-shaped rod 11.
In order to make the folding desk and chair more flexible and convenient to store, referring to fig. 5, the pull rod 3 is provided as two segments of articulated sub-pull rods 3, namely a first sub-pull rod 32 and a second sub-pull rod 33.
Further, a back cushion 16 is arranged on the inner side of the first U-shaped bar 11.
To further enhance the comfort of folding the desk and chair, a soft cushion 16 is provided on the inside of the first U-shaped bar 11.
Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (5)

1. A folding desk and chair is characterized by comprising a chair (1), a desk (2) and a pull rod (3);
the chair (1) comprises a first U-shaped rod (11), a second U-shaped rod (12), a third U-shaped rod (13) and a chair plate (14);
the end parts of two vertical arms of the second U-shaped rod (12) are respectively hinged to the middle parts of two vertical arms of the first U-shaped rod (11), and the middle parts of two vertical arms of the third U-shaped rod (13) are respectively hinged to the middle lower parts of two vertical arms of the first U-shaped rod (11);
the chair plate (14) is fixedly connected to the upper portion of the second U-shaped rod (12), a limiting piece (15) is arranged on the lower surface of the chair plate (14), and the limiting piece (15) is used for limiting the relative position of a cross arm of the third U-shaped rod (13) and a cross arm of the second U-shaped rod (12) so that the left arm and the right arm of the first U-shaped rod (11), the second U-shaped rod (12) and the third U-shaped rod (13) form a triangular structure respectively;
the table (2) comprises a swing rod (21), right-angle steel (22) and a table board (23);
the outer side of the same vertical arm of the second U-shaped rod (12) is hinged with two swing rods (21), the upper ends of the two swing rods (21) are respectively hinged with two ends of the vertical edge of the right-angle steel (22), and the two swing rods (21), the vertical edge of the right-angle steel (22) and the second U-shaped rod (12) form a parallelogram mechanism;
a table plate (23) is fixedly arranged on the transverse edge of the right-angle steel (22), and the table plate (23) is positioned right above the chair plate (14);
one end of the pull rod (3) is connected to the middle of any swing rod (21), and the other end of the pull rod (3) is connected to the middle of the vertical arm of the first U-shaped rod (11).
2. The folding desk and chair of claim 1, wherein the limiting member (15) is fixedly connected to the lower surface of the chair plate (14), the limiting member (15) is provided with a kidney-shaped hole (151), the cross arm of the third U-shaped rod (13) passes through the kidney-shaped hole (151), and the second U-shaped rod (12) is in a horizontal state when the cross arm of the third U-shaped rod (13) stops at the front end of the kidney-shaped hole (151).
3. A folding desk and chair as claimed in claim 1, characterised in that the parallelogram mechanism of the desk (2) is tilted forward, a U-shaped groove (211) inclined upward is provided in the middle of the rocker (21), correspondingly, a blocking shaft (31) corresponding to the U-shaped groove (211) is provided on the pull rod (3), the blocking shaft (31) is blocked into the U-shaped groove (211), and the other end of the pull rod (3) is hinged to the middle of the vertical arm of the first U-shaped bar (11).
4. The folding desk and chair of claim 3, wherein the draw bar (3) comprises a first sub draw bar (32) and a second sub draw bar (33), the head end of the first sub draw bar (32) is hinged with the tail end of the second sub draw bar (33), the stop shaft (31) is arranged at the tail end of the first sub draw bar (32), and the head end of the second sub draw bar (33) is hinged with the middle part of the vertical arm of the first U-shaped bar (11).
5. A folding desk and chair according to claim 1, characterised in that the inside of the first U-shaped bar (11) is provided with a back cushion (16).
CN201920186223.XU 2019-02-02 2019-02-02 Folding desk and chair Expired - Fee Related CN209825695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920186223.XU CN209825695U (en) 2019-02-02 2019-02-02 Folding desk and chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920186223.XU CN209825695U (en) 2019-02-02 2019-02-02 Folding desk and chair

Publications (1)

Publication Number Publication Date
CN209825695U true CN209825695U (en) 2019-12-24

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ID=68903441

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920186223.XU Expired - Fee Related CN209825695U (en) 2019-02-02 2019-02-02 Folding desk and chair

Country Status (1)

Country Link
CN (1) CN209825695U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062628A (en) * 2021-03-29 2021-07-02 浙江省东阳市江南建设有限公司 Support arrangement for steel house building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062628A (en) * 2021-03-29 2021-07-02 浙江省东阳市江南建设有限公司 Support arrangement for steel house building

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191224

Termination date: 20220202