CN214904797U - Desk and chair for correcting sitting posture of student - Google Patents
Desk and chair for correcting sitting posture of student Download PDFInfo
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- CN214904797U CN214904797U CN202121026547.0U CN202121026547U CN214904797U CN 214904797 U CN214904797 U CN 214904797U CN 202121026547 U CN202121026547 U CN 202121026547U CN 214904797 U CN214904797 U CN 214904797U
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- distance measuring
- sliding sleeve
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Abstract
The utility model discloses a desk and chair for correcting sitting posture of students, which relates to the technical field of desk and chair, comprising a desk body, wherein the left and right sides of the rear inner wall of a drawer at the bottom of the desk body are respectively provided with an infrared distance measuring sensor, the top of the desk body is provided with a control alarm device, and the infrared distance measuring sensor is electrically connected with the control alarm device; the infrared distance measuring sensor is installed on the rear inner wall of the desk body drawer through a damping mechanism, the damping mechanism comprises a rod body arranged in front and at the back, the rear end of the rod body is fixed on the rear inner wall of the desk body drawer, a sliding sleeve is installed on the rod body in a sliding mode, and the infrared distance measuring sensor is installed at the bottom of the sliding sleeve; the utility model discloses infrared ray distance measuring sensor is when receiving the striking, and damper passes through the gliding mode of sliding sleeve, at the effect of cooperation spring, can effectually carry out the shock attenuation to infrared ray distance measuring sensor to protect infrared ray distance measuring sensor.
Description
Technical Field
The utility model relates to a desk chair technical field specifically is a correct student's position of sitting desk chair.
Background
Just disclose a novel student's desk chair among the prior art like chinese patent CN201920067506.2, including the desk, the bottom fixed mounting of desk has the table leg, the desktop front end left side fixed mounting of desk has the fixed plate, and the fixed plate has L type bookshelf through bolt fixed mounting, the mounting groove has been seted up on the desktop front end right side of desk, the inside bottom fixed mounting of mounting groove has the iron plate, the upper end of iron plate all activity adhesion has the magnet board, the upper end fixed mounting of magnet board has the storing box, the inside movable mounting of storing box has a plurality of division board.
Because, first infrared ranging sensor installs in the drawer, when the student put into article in to the drawer round trip, will collide with first infrared ranging sensor very easily, if the impact is too big, just probably lead to first infrared ranging sensor to take place to damage, simultaneously, when the desk received the collision, also can lead to first infrared ranging sensor to take place to damage, for this reason, need improve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a correct student's position of sitting desk chair to prior art not enough, the problem of mentioning in the background art has been solved.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a desk and chair for correcting sitting postures of students comprises a desk body, wherein infrared distance measuring sensors are respectively arranged on the left side and the right side of the rear inner wall of a drawer at the bottom of the desk body, a control alarm device is arranged at the top of the desk body, and the infrared distance measuring sensors are electrically connected with the control alarm device;
the infrared ranging sensor is installed on the rear inner wall of the desk body drawer through a damping mechanism, and the damping mechanism damps the infrared ranging sensor in a sliding mode.
Correcting student's position of sitting desk as above-mentioned, wherein, the preferred, damper is provided with the body of rod around including, and the rear end of the body of rod is fixed on the back inner wall of desk body drawer, slidable mounting has the sliding sleeve on the body of rod, and infrared ranging sensor installs the bottom at the sliding sleeve, the front end of the body of rod sets up the spacing group, and all is provided with the spring of cover outside the body of rod between the inner wall behind the rear end of spacing group and the front end of sliding sleeve, the front end of sliding sleeve and the desk body drawer.
According to the school desk and chair for correcting the sitting posture of the student, the cross sections of the rod body and the sliding sleeve are preferably square.
The desk and chair for correcting the sitting posture of the student is characterized in that a rubber ring is fixed on the inner wall of the sliding sleeve.
The student sitting posture correcting desk and chair preferably comprises a bolt fixed at the front end of the rod body, and a nut is screwed on the bolt.
Compared with the prior art, the utility model following beneficial effect possesses: when infrared ray distance measuring sensor receives the striking, damper passes through the gliding mode of sliding sleeve, at the effect of cooperation spring, can effectually carry out the shock attenuation to infrared ray distance measuring sensor to protect infrared ray distance measuring sensor.
Drawings
FIG. 1 is a first perspective view of a desk body of the present invention;
FIG. 2 is a second perspective view of the desk body of the present invention;
FIG. 3 is a perspective view of the damping mechanism of the present invention;
FIG. 4 is an exploded view of the shock absorbing mechanism of the present invention;
fig. 5 is a partial sectional view of the side view of the desk body of the present invention.
In the figure: 1. a desk body; 11. a rod body; 12. a sliding sleeve; 13. a spring; 14. a rubber ring; 15. a stud; 16. a nut; 2. an infrared ranging sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a desk and chair for correcting sitting postures of students comprises a desk body 1, wherein an infrared distance measuring sensor 2 is respectively arranged on the left side and the right side of the rear inner wall of a drawer at the bottom of the desk body 1, a control alarm device (not shown in the figure) is arranged at the top of the desk body 1, and the infrared distance measuring sensor 2 is electrically connected with the control alarm device (the working principles of the control alarm device and the infrared distance measuring sensor 2 are the prior art and are explained in detail in Chinese patent CN201920067506.2, so that the invention is not explained too much);
the infrared ranging sensor 2 is installed on the rear inner wall of the drawer of the desk body 1 through a damping mechanism, and the damping mechanism damps the infrared ranging sensor 2 in a sliding mode.
The damping mechanism is provided with the body of rod 11 around including, and the rear end of the body of rod 11 is fixed on the back inner wall of desk body 1 drawer, and slidable mounting has sliding sleeve 12 on the body of rod 11, and infrared ranging sensor 2 installs in the bottom of sliding sleeve 12, and the front end of the body of rod 11 sets up the spacing group, and all is provided with the spring 13 of cover outside the body of rod 11 between the rear end of spacing group and the front end of sliding sleeve 12, the front end of sliding sleeve 12 and the inner wall behind the desk body 1 drawer.
The cross section of the rod body 11 and the sliding sleeve 12 is square, so that the infrared distance measuring sensor 2 is prevented from rotating when vibrating.
Be fixed with rubber ring 14 on the inner wall of sliding sleeve 12, can carry out the shock attenuation to infrared ray distance measuring sensor 2 circumference, more comprehensive protection infrared ray distance measuring sensor 2.
The limiting group comprises a stud 15 fixed at the front end of a rod body 11, a nut 16 is screwed on the stud 15, during installation, the nut 16 is screwed off the stud 15, a spring 13 at the front end of the rod body 11 is detached, a sliding sleeve 12 with an infrared distance measuring sensor 2 fixed at the bottom is sleeved on the rod body 11, the detached spring 13 is sleeved on the rod body 11, and the nut 16 is screwed on the stud 15 to realize locking and installation, so that the front spring 13 and the rear spring 13 are matched, the sliding sleeve 12 can slide along the rod body 11 when the infrared distance measuring sensor 2 is impacted, one spring 13 is in a compression state, finally, the infrared distance measuring sensor 2 can be effectively buffered and damped under the action of the self elastic force of the spring 13, the infrared distance measuring sensor 2 is damaged, when the infrared distance measuring sensor 2 needs to be detached and maintained, the nut 16 is screwed off the stud 15, the spring 13 at the front end of the rod body 11 is detached, and then the sliding sleeve 12 with the infrared distance measuring sensor 2 fixed at the bottom slides away from the rod body 11, so that detachment is realized.
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 (5)
1. A desk and chair for correcting sitting postures of students comprises a desk body (1), wherein infrared distance measuring sensors (2) are respectively mounted on the left side and the right side of the rear inner wall of a drawer at the bottom of the desk body (1), a control alarm device is arranged at the top of the desk body (1), and the infrared distance measuring sensors (2) are electrically connected with the control alarm device;
the method is characterized in that: the infrared ranging sensor (2) is installed on the rear inner wall of a drawer of the desk body (1) through a damping mechanism, and the damping mechanism damps the infrared ranging sensor (2) in a sliding mode.
2. The desk and chair for correcting sitting posture of students as claimed in claim 1, wherein: damper is provided with the body of rod (11) around including, and the rear end of the body of rod (11) is fixed on the back inner wall of desk body (1) drawer, slidable mounting has sliding sleeve (12) on the body of rod (11), and infrared ranging sensor (2) install the bottom at sliding sleeve (12), the front end of the body of rod (11) sets up the spacing group, and all is provided with between the front end of the rear end of spacing group and sliding sleeve (12), the front end of sliding sleeve (12) and desk body (1) drawer back inner wall and overlaps spring (13) outside the body of rod (11).
3. The desk and chair for correcting sitting posture of students as claimed in claim 2, wherein: the cross sections of the rod body (11) and the sliding sleeve (12) are arranged in a square shape.
4. A desk and chair for correcting sitting posture of students as claimed in claim 3, wherein: a rubber ring (14) is fixed on the inner wall of the sliding sleeve (12).
5. The desk and chair for correcting sitting posture of students as claimed in claim 4, wherein: the limiting group comprises a stud (15) fixed at the front end of the rod body (11), and a nut (16) is screwed on the stud (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026547.0U CN214904797U (en) | 2021-05-14 | 2021-05-14 | Desk and chair for correcting sitting posture of student |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026547.0U CN214904797U (en) | 2021-05-14 | 2021-05-14 | Desk and chair for correcting sitting posture of student |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214904797U true CN214904797U (en) | 2021-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121026547.0U Active CN214904797U (en) | 2021-05-14 | 2021-05-14 | Desk and chair for correcting sitting posture of student |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214904797U (en) |
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2021
- 2021-05-14 CN CN202121026547.0U patent/CN214904797U/en active Active
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