CN112998414A

CN112998414A - Riser convenient to adjust student's seat height and promote security

Info

Publication number: CN112998414A
Application number: CN202110310018.1A
Authority: CN
Inventors: 郭武帮
Original assignee: Guangdong Yuzhen Furniture Industry Co Ltd
Current assignee: Guangdong Yuzhen Furniture Industry Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-06-22
Anticipated expiration: 2041-03-23
Also published as: CN112998414B

Abstract

The invention discloses a lifter convenient for adjusting the height of a student seat and improving the safety, which comprises a first connecting piece and a groove, wherein the surface of the first connecting piece is provided with the groove, the surface of the first connecting piece is symmetrically provided with first sliding grooves, the surfaces of the two first sliding grooves are matched and provided with cylinders, the surface of each cylinder is provided with a second connecting piece, the surface of each second connecting piece is matched and provided with a third connecting piece, the first connecting piece and the third connecting piece are both in a U shape, and the third connecting piece is matched and arranged with the cylinders. The practicability is strong.

Description

Riser convenient to adjust student's seat height and promote security

Technical Field

The invention relates to the technical field of seats, in particular to a lifter convenient for adjusting the height of a student seat and improving the safety.

Background

At present, most of the time of students is spent in schools, and most of the time of the students is spent on seats, so that the seats are one of indispensable learning tools for the students, the quality of the seats directly influences the physical health of the students, and particularly, when the pupils grow bodies, the comfort level of the seats directly influences the learning efficiency and the growth and development of the bodies of the students.

The student uses the short undersized seat, and the position of sitting is improper most easily, endangers student's health: the desk is not high enough, and the desk is easy to bow, hump and even lie over when reading and writing; the chair is not high enough, twist the waist easily and bend the leg and eminent … … for a long time so, not only can lead to the student to suffer from myopia, will lead to spinal column bending certainly, warp, humpback etc. still, still can influence student's lung, blood circulation, breathe and digestion function, vital capacity reduces to lead to study and easy fatigue when moving, student's seat highly generally all be fixed also have partly can height-adjusting, it is usually hand formula and screw lift desk chair, these design operations are inconvenient, and the student can go to the regulation by oneself, easily produce the hand and be pressed from both sides risks such as hindering, for this, we provide one kind and be convenient for adjust student's seat height and promote the riser of security.

Disclosure of Invention

The present invention is directed to a lifter for adjusting the height of a student's seat and improving safety, so as to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a riser convenient to adjust student's seat height and promote security, includes first connecting piece and recess, the surface of first connecting piece is seted up flutedly, first spout has been seted up to the surface symmetry of first connecting piece, two the cylinder is installed to the surface coordination of first spout, cylindrical surface mounting has the second connecting piece, the surface coordination of second connecting piece installs the third connecting piece, and just first connecting piece and third connecting piece all present the U font, the third connecting piece is installed with the cylinder cooperation, the inside symmetry fixedly connected with stop device of first connecting piece, two stop device all with cylinder fixed connection, the internal symmetry of first connecting piece has locking device through threaded connection, locking device and stop device cooperation installation.

Preferably, round holes are symmetrically formed in the surfaces of the third connecting piece and the second connecting piece, and the four round holes are matched with the cylinder for installation.

Preferably, the limiting device comprises an L-shaped block, a connecting block, a first rack, a second chute, a connecting slot, a movable plate, a connecting hole and springs, the second chute is symmetrically arranged on the surface of the first connecting piece, the connecting slot is arranged on the side surface of the second chute, the connecting hole is symmetrically arranged on the surface of the first connecting piece, the springs are fixedly connected with the connecting slot at equal intervals on the surface, the movable plate is fixedly connected with three springs at one end close to the second chute, the connecting block is fixedly connected with the surface of the movable plate and is connected with the connecting hole in a sliding manner, the first rack is fixedly connected with the surface of the movable plate, the movable plate is connected with the connecting slot in a sliding manner, the L-shaped block is fixedly connected with the cylindrical surface in a symmetrical manner, the L-shaped block is connected with the, the first rack and the second rack are installed in a matched mode.

Preferably, locking device includes spacing post, post groove and through-hole, the through-hole has been seted up to the surface symmetry of first connecting piece, and the through-hole has four, there is spacing post on the surface of through-hole through threaded connection, the terminal surface that the spread groove was kept away from to spacing post has seted up the post groove, and the post groove presents regular hexagon, two the inside of the one end embedding spread groove of spacing post.

Preferably, the surface of the first connecting piece is symmetrically provided with four mounting holes.

Preferably, the initial state of the spring is a compressed state.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the upper and lower positions of the first connecting piece, the second connecting piece and the third connecting piece can be adjusted only by simultaneously shifting the two connecting blocks to drive the two movable plates to move towards the direction of the through hole, and the first rack is separated from the second rack, and the first connecting piece and the third connecting piece are used for being matched and installed with the seat supporting part, so that the height of the seat can be adjusted within a certain range.

Drawings

FIG. 1 is a schematic view of the present invention in a partial cross-sectional view;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of a second connector according to the present invention;

FIG. 4 is a schematic view of a second connecting member and a third connecting member according to the present invention;

FIG. 5 is a schematic view of the structure of the first connecting member, the second connecting member and the third connecting member of the present invention;

FIG. 6 is a side view of a third connecting member according to the present invention;

FIG. 7 is a schematic view of the L-shaped block structure of the present invention;

FIG. 8 is a schematic view of a pillar groove structure according to the present invention;

FIG. 9 is a schematic diagram of a groove structure according to the present invention.

In the figure: 1. a first connecting member; 2. a groove; 3. a first chute; 4. a cylinder; 5. a second connecting member; 6. a third connecting member; 7. a limiting device; 8. a locking device; 9. connecting blocks; 10. a first rack; 11. a second rack; 12. a second chute; 13. connecting grooves; 14. a movable plate; 15. connecting holes; 16. a spring; 17. a limiting column; 18. a column groove; 19. a through hole; 20. mounting holes; 21. a circular hole; 22. an L-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 5, 2 and 9, a lifter convenient for adjusting the height of a student seat and improving the safety comprises a first connecting piece 1 and a groove 2, wherein the surface of the first connecting piece 1 is provided with the groove 2, the surface of the first connecting piece 1 is symmetrically provided with first sliding grooves 3, the surfaces of the two first sliding grooves 3 are provided with cylinders 4 in a matching manner, the surface of the cylinder 4 is provided with a second connecting piece 5, the surface of the second connecting piece 5 is provided with a third connecting piece 6 in a matching manner, the first connecting piece 1 and the third connecting piece 6 are both in a U shape, the third connecting piece 6 is mounted with the cylinders 4 in a matching manner, the first connecting piece 1 is internally and symmetrically and fixedly connected with limiting devices 7, the two limiting devices 7 are fixedly connected with the cylinders 4, the first connecting piece 1 is internally and symmetrically connected with locking devices 8 through threads, the locking device 8 is matched with the limiting device 7.

Referring to fig. 3, 4 and 6, circular holes 21 are symmetrically formed in the surfaces of the third connecting member 6 and the second connecting member 5, and the four circular holes 21 are installed in cooperation with the cylinder 4 to connect the second connecting member 5 and the third connecting member 6 together, so that the overall structural strength is increased.

Referring to fig. 1, 7 and 2, the limiting device 7 includes an L-shaped block 22, a connecting block 9, a first rack 10, a second rack 11, a second chute 12, a connecting groove 13, a movable plate 14, a connecting hole 15 and a spring 16, the surface of the first connecting member 1 is symmetrically provided with the second chute 12, the side surface of the second chute 12 is provided with the connecting groove 13, the surface of the first connecting member 1 is symmetrically provided with the connecting hole 15, the surface of the connecting groove 13 is fixedly connected with the spring 16 at equal intervals, one end of the three springs 16 close to the second chute 12 is fixedly connected with the movable plate 14, the surface of the movable plate 14 is fixedly connected with the connecting block 9, the connecting block 9 is slidably connected with the connecting hole 15, the surface of the movable plate 14 is fixedly connected with the first rack 10, the movable plate 14 is slidably connected with the connecting groove 13, the surface of the cylinder 4 is symmetrically, the L-shaped block 22 is connected with the second sliding groove 12 in a sliding mode, the surface of the L-shaped block 22 is fixedly connected with the second rack 11, the first rack 10 and the second rack 11 are installed in a matched mode, the L-shaped block 22 slides on the surface of the second sliding groove 12, when the L-shaped block 22 is adjusted to a proper position, the two connecting blocks 9 are loosened slowly, under the elastic force of the spring 16, the two movable plates 14 move towards the direction away from the through hole 19 until the first rack 10 is meshed with the second rack 11, and adjustment is completed.

Referring to fig. 1 and 8, the locking device 8 includes limiting posts 17, post grooves 18 and through holes 19, the through holes 19 are symmetrically formed in the surface of the first connecting member 1, the number of the through holes 19 is four, the limiting posts 17 are connected to the surface of the through holes 19 through threads, the post grooves 18 are formed in the end surfaces, away from the connecting grooves 13, of the limiting posts 17, the post grooves 18 are regular hexagons, one ends of the two limiting posts 17 are embedded into the connecting grooves 13, a wrench is used for driving the limiting posts 17 to rotate, the two limiting posts 17 are further driven to be in close contact with the movable plate 14, the adjusted stability is guaranteed, the adjusted state is locked, students are prevented from adjusting by themselves, and the students are prevented from being pinched.

The surface of the first connecting piece 1 is symmetrically provided with four mounting holes 20, so that the first connecting piece 1 and the supporting part of the seat can be conveniently mounted.

The initial state of the spring 16 is a compressed state, and the first rack 10 and the second rack 11 can be always in an engaged state by the elasticity of the spring 16.

The working principle is as follows: the two first sliding grooves 3 on the surface of the first connecting piece 1 are matched with the cylinder 4, the first sliding grooves 3 are divided into two sections, namely a chute and a vertical groove, and two connecting blocks 9 fluctuate, so that the movable plates 14 move for a certain distance towards the direction close to the through hole 19, when the cylinder 4 is just matched with the vertical groove through the chute, the top of the second connecting piece 5 is just positioned right above the groove 2, when an accident occurs, the movable plates are in surface contact with the groove 2 through the second connecting piece 5, locking can be carried out in time, the integral safety is improved, the L-shaped block 22 slides on the surface of the second sliding groove 12, when the position is adjusted to a proper position, the two connecting blocks 9 are loosened slowly, under the elastic force of the spring 16, the two movable plates 14 move towards the direction away from the through hole 19 until the first rack 10 is meshed with the second rack 11, the adjustment is completed, the wrench is aligned with the column groove 18, the limiting column 17 is, the limiting columns 17 move towards the direction close to the movable plate 14, the two limiting columns 17 are in close contact with the movable plate 14 to limit the movable plate 14, the stability after adjustment is guaranteed, the spanner is drawn out, students can be prevented from adjusting the spanner, and safety is improved. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a riser convenient to adjust student's seat height and promote security, includes first connecting piece (1) and recess (2), its characterized in that are seted up on the surface of first connecting piece (1): first spout (3) have been seted up to the surface symmetry of first connecting piece (1), two cylinder (4) are installed to the surface cooperation of first spout (3), the surface mounting of cylinder (4) has second connecting piece (5), third connecting piece (6) are installed to the surface cooperation of second connecting piece (5), and just first connecting piece (1) and third connecting piece (6) all present the U font, third connecting piece (6) and cylinder (4) cooperation installation, the inside symmetry fixedly connected with stop device (7) of first connecting piece (1), two stop device (7) all with cylinder (4) fixed connection, the inside symmetry of first connecting piece (1) has locking device (8) through threaded connection, locking device (8) and stop device (7) cooperation installation.

2. The riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 1, wherein: round holes (21) are symmetrically formed in the surfaces of the third connecting piece (6) and the second connecting piece (5), and the round holes (21) are matched with the cylinders (4) for installation.

3. The riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 1, wherein: the limiting device (7) comprises an L-shaped block (22), a connecting block (9), a first rack (10), a second rack (11), a second sliding groove (12), a connecting groove (13), a movable plate (14), connecting holes (15) and springs (16), wherein the second sliding groove (12) is symmetrically formed in the surface of the first connecting piece (1), the connecting groove (13) is formed in the side surface of the second sliding groove (12), the connecting holes (15) are symmetrically formed in the surface of the first connecting piece (1), the springs (16) are fixedly connected to the surface of the connecting groove (13) at equal intervals, the movable plate (14) is fixedly connected to one end, close to the second sliding groove (12), of each spring (16), the connecting block (9) is fixedly connected to the surface of the movable plate (14), the connecting block (9) is slidably connected with the connecting holes (15), and the first rack (10) is fixedly connected to the surface of the, the movable plate (14) is connected with the connecting groove (13) in a sliding mode, an L-shaped block (22) is symmetrically and fixedly connected to the surface of the cylinder (4), the L-shaped block (22) is connected with the second sliding groove (12) in a sliding mode, and a second rack (11) is fixedly connected to the surface of the L-shaped block (22).

4. The riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 1, wherein: locking device (8) are including spacing post (17), post groove (18) and through-hole (19), through-hole (19) have been seted up to the surface symmetry of first connecting piece (1), and through-hole (19) have four, there are spacing post (17) on the surface of through-hole (19) through threaded connection, post groove (18) have been seted up to the terminal surface that spread groove (13) was kept away from in spacing post (17).

5. The riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 1, wherein: the surface of the first connecting piece (1) is symmetrically provided with four mounting holes (20), and the number of the mounting holes (20) is four.

6. A riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 3, wherein: the initial state of the spring (16) is a compressed state.

7. The riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 4, wherein: the column grooves (18) are in a regular hexagon shape, and one ends of the two limiting columns (17) are embedded into the connecting grooves (13).

8. A riser for facilitating height adjustment and safety enhancement of a student's seat as claimed in claim 3, wherein: the first rack (10) and the second rack (11) are installed in a matched mode.