CN220494676U - Height adjusting mechanism of children learning chair - Google Patents
Height adjusting mechanism of children learning chair Download PDFInfo
- Publication number
- CN220494676U CN220494676U CN202321932210.5U CN202321932210U CN220494676U CN 220494676 U CN220494676 U CN 220494676U CN 202321932210 U CN202321932210 U CN 202321932210U CN 220494676 U CN220494676 U CN 220494676U
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- iron sheet
- enclasping
- positioning
- compression
- learning chair
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 104
- 229910052742 iron Inorganic materials 0.000 claims abstract description 52
- 230000006835 compression Effects 0.000 claims description 26
- 238000007906 compression Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a height adjusting mechanism of a child learning chair, which comprises: the chassis is provided with a mounting hole, and is provided with an upright post which is arranged in the mounting hole; the positioning holes are provided with a series of mounting holes at different heights of the upright posts; the iron sheet is tightly held and sleeved on the upright post in a sliding manner, and the iron sheet can be matched with the positioning hole to be positioned on the upright post; the first end of the connecting beam is fixedly connected with the enclasping iron sheet, and the cushion is arranged on the second end of the connecting beam; the first end of the holding iron sheet is provided with an opening, and the opening tightness can be adjusted by the pressing device; the positioning device is arranged on the enclasping iron sheet, can be matched with the positioning hole, can conveniently adjust the height of the seat surface of the child learning chair, is suitable for the use requirements of different environments, and has simple adjusting process and stable and reliable structure.
Description
Technical Field
The utility model belongs to the technical field of children learning tables and chairs, and particularly relates to a height adjusting mechanism of a children learning chair.
Background
In carrying out the utility model, the inventors have found that the prior art has at least the following problems:
in the prior art, the up-down adjustment of the child study chair is locked by the bolts, but when the height needs to be changed, the bolts need to be disassembled, the bolts are replaced by another positioning hole, the disassembly process is complex, and the adjustment is inconvenient.
CN 202223279211-a child learning chair with adjustable seat height and seat depth, which comprises a seat board, a fixing frame, a bottom frame and a backrest board, wherein the fixing frame is provided with two side by side, and the seat board is arranged on the upper side of the fixing frame; the whole underframe is in a strip-shaped structure, and the underframe is matched with the fixing frame; the inner side of the fixed frame is provided with movable chair legs, the underframe is vertically provided with fixed chair legs, the movable chair legs are connected with the fixed chair legs, and the movable chair legs are arranged in a sliding manner along the length direction of the fixed chair legs; the backboard is arranged on the upper side of the seat board and is connected with the fixing frame through the connecting frame; the above technical problems cannot be solved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a height adjusting mechanism of a child learning chair, which can conveniently adjust the height of a chair surface of the child learning chair, is suitable for the use requirements of different environments, and has the advantages of simple adjusting process and stable and reliable structure.
In order to solve the technical problems, the utility model adopts the following technical scheme: a child learning chair height adjustment mechanism has:
the chassis is provided with a mounting hole, and is provided with a stand column which is arranged in the mounting hole;
the positioning holes are formed in different heights of the upright posts, and a series of mounting holes are formed in the upright posts;
the enclasping iron sheet is sleeved on the upright post in a sliding manner, and can be matched with the positioning hole to be positioned on the upright post;
the first end of the connecting beam is fixedly connected with the enclasping iron sheet, and the cushion is arranged on the second end of the connecting beam;
the first end of the enclasping iron sheet is provided with an opening, and the opening tightness can be adjusted by the pressing device;
the positioning device is arranged on the enclasping iron sheet and can be matched with the positioning hole.
The compressing device comprises a compressing nut, a compressing bolt, a locking handle and a pin shaft; the compression bolt passes through the opening of the enclasping iron sheet; the first end of the compression bolt is connected with the compression nut, and the second end of the compression bolt is connected with the pin shaft; the pin shaft rotates to be installed on the first end of the locking handle, and the locking handle and the compression bolt respectively extrude two sides of the opening of the enclasping iron sheet.
The positioning device comprises a knob and a positioning pin, a connecting nut is arranged on the enclasping iron sheet, the knob is in threaded connection with the connecting nut, the positioning pin is arranged in the knob, and the positioning pin can penetrate through the enclasping iron sheet and extend into the positioning hole.
The inner side of the enclasping iron sheet is also provided with a rubber pad, and the inner side of the enclasping iron sheet is attached to the upright post through the rubber pad.
The locating pin is slidably arranged in the knob, and a spring is sleeved on the locating pin.
The first end of the locking handle is of a cam structure; two groups of compression nuts and compression bolts are arranged at the opening of the enclasping iron sheet.
The technical scheme has the advantages that the height of the seat surface of the child learning chair can be conveniently adjusted, the use requirements of different environments are met, the adjusting process is simple, and the structure is stable and reliable.
Drawings
FIG. 1 is a schematic view of a height adjusting mechanism of a child learning chair according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the height adjustment mechanism of the child learning chair of FIG. 1;
FIG. 3 is a schematic view of the height adjustment mechanism of the child learning chair of FIG. 1;
FIG. 4 is a schematic view of the height adjustment mechanism of the child learning chair of FIG. 1;
FIG. 5 is a schematic view of the child learning chair height adjustment mechanism of FIG. 1;
FIG. 6 is a schematic view of the child learning chair height adjustment mechanism of FIG. 1;
the labels in the above figures are: 1. chassis, 2, stand, 21, locating hole, 3, hug tightly iron sheet, 31, coupling nut, 4, gland nut, 5, locking handle, 6, round pin axle, 7, rubber pad, 8, tie-beam, 9, knob, 10, locating pin, 11, spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, a child learning chair height adjustment mechanism has:
the chassis 1 is provided with a mounting hole, and is provided with a stand column 2 which is arranged in the mounting hole; through mounting hole location installation stand 2, the cushion is installed on stand 2.
The positioning holes 21 are provided with a series of mounting holes at different heights of the upright posts 2; the enclasping iron sheet 3 is sleeved on the upright post 2 in a sliding manner, and the enclasping iron sheet 3 can be matched with the positioning hole 21 to be positioned on the upright post 2; the first end of the connecting beam 8 is fixedly connected with the enclasping iron sheet 3, and the cushion is arranged on the second end of the connecting beam 8; the cushion is installed on the upright post 2 through the enclasping iron sheet 3, and the enclasping iron sheet 3 is positioned through the positioning holes 21 of the difference, so that the height of the enclasping iron sheet 3 is changed, and the height of the cushion is changed.
The first end of the holding iron sheet 3 is provided with an opening, and the opening tightness can be adjusted by the pressing device; the tightness is adjusted through the pressing device, the height of the enclasping iron sheet 3 can be adjusted after the tightness is adjusted, and the fixation is realized after the tightness is adjusted.
The positioning device is arranged on the enclasping iron sheet 3 and can be matched with the positioning hole 21. The locking is stable and reliable by locking the positioning device in different positioning holes 21.
The compressing device comprises a compressing nut 4, a compressing bolt, a locking handle 5 and a pin shaft 6; the compression bolt passes through the opening of the enclasping iron sheet 3; the first end of the compression bolt is connected with the compression nut 4, and the second end of the compression bolt is connected with the pin shaft 6; the pin shaft 6 is turned to be mounted on the first end of the locking handle 5, and the locking handle 5 and the compression bolt respectively compress two sides of the opening of the enclasping iron sheet 3. The locking handle 5 is pulled to squeeze or release the opening by the compression nut 4 and the locking handle 5, the tightness is adjusted, the height of the enclasping iron sheet 3 can be adjusted after the tightness is adjusted, and the fixation is realized after the tightness is adjusted.
The positioning device comprises a knob 9 and a positioning pin 10, a connecting nut 31 is arranged on the enclasping iron sheet 3, the knob 9 is in threaded connection with the connecting nut 31, the positioning pin 10 is arranged in the knob 9, and the positioning pin 10 can penetrate through the enclasping iron sheet 3 and extend into the positioning hole 21. The knob 9 is connected through the threaded fit with the connecting nut 31, and the locating pin 10 of the knob 9 can penetrate through the enclasping iron sheet 3 and extend into the locating holes 21, so that the locking is realized in different locating holes 21, and the locking is stable and reliable.
The inner side of the enclasping iron sheet 3 is also provided with a rubber pad 7, the inner side of the enclasping iron sheet 3 is attached to the upright post 2 through the rubber pad 7, the buffering effect is achieved, and the abrasion of the enclasping iron sheet 3 and the upright post 2 is reduced.
The locating pin 10 is slidably mounted in the knob 9, a spring 11 is sleeved on the locating pin 10, the locating pin 10 can stretch out and draw back, and the locating pin 10 is prevented from extruding the upright post 2 to damage the upright post 2.
The first end of the locking handle 5 is of a cam structure; two groups of compression nuts 4 and compression bolts are arranged at the opening of the enclasping iron sheet 3, the compression nuts 4 and the locking handles 5 are extruded or released to the opening through rotation of the cam mechanism, tightness adjustment is achieved, the height of the enclasping iron sheet 3 can be adjusted after tightness adjustment, and fixation is achieved after tightness adjustment.
The cushion is installed on the stand through holding tightly the iron sheet, fixes a position at different locating holes through holding tightly the iron sheet, changes the height of holding tightly the iron sheet to change the height of cushion. The tightness is adjusted through the pressing device, the height of the enclasping iron sheet can be adjusted after the tightness is adjusted, and the fixing is realized after the tightness is adjusted. The locking device is locked in different positioning holes, so that the locking is stable and reliable. After adopting foretell structure, can conveniently adjust the height of children's study chair's seat, adapt to the user demand of different environment, accommodation process is simple, stable in structure is reliable.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A child learning chair height adjustment mechanism, comprising:
the chassis is provided with a mounting hole, and is provided with a stand column which is arranged in the mounting hole;
the positioning holes are formed in different heights of the upright posts, and a series of mounting holes are formed in the upright posts;
the enclasping iron sheet is sleeved on the upright post in a sliding manner, and can be matched with the positioning hole to be positioned on the upright post;
the first end of the connecting beam is fixedly connected with the enclasping iron sheet, and the cushion is arranged on the second end of the connecting beam;
the first end of the enclasping iron sheet is provided with an opening, and the opening tightness can be adjusted by the pressing device;
the positioning device is arranged on the enclasping iron sheet and can be matched with the positioning hole.
2. The child learning chair height adjustment mechanism of claim 1, wherein the compression means comprises a compression nut, a compression bolt, a locking handle, and a pin; the compression bolt passes through the opening of the enclasping iron sheet; the first end of the compression bolt is connected with the compression nut, and the second end of the compression bolt is connected with the pin shaft; the pin shaft rotates to be installed on the first end of the locking handle, and the locking handle and the compression bolt respectively extrude two sides of the opening of the enclasping iron sheet.
3. The child learning chair height adjustment mechanism of claim 2, wherein the positioning device comprises a knob and a positioning pin, a connecting nut is arranged on the enclasping iron sheet, the knob is in threaded connection with the connecting nut, the positioning pin is arranged in the knob, and the positioning pin can penetrate through the enclasping iron sheet and extend into the positioning hole.
4. The child learning chair height adjustment mechanism of claim 3, wherein a rubber pad is further provided on the inner side of the clasping iron sheet, and the inner side of the clasping iron sheet is attached to the upright post through the rubber pad.
5. The child learning chair height adjustment mechanism of claim 4, wherein the dowel pin is slidably mounted within the knob, the dowel pin further being spring-loaded.
6. The child learning chair height adjustment mechanism of claim 5, wherein the first end of the locking handle is a cam structure; two groups of compression nuts and compression bolts are arranged at the opening of the enclasping iron sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321932210.5U CN220494676U (en) | 2023-07-21 | 2023-07-21 | Height adjusting mechanism of children learning chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321932210.5U CN220494676U (en) | 2023-07-21 | 2023-07-21 | Height adjusting mechanism of children learning chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220494676U true CN220494676U (en) | 2024-02-20 |
Family
ID=89879922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321932210.5U Active CN220494676U (en) | 2023-07-21 | 2023-07-21 | Height adjusting mechanism of children learning chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220494676U (en) |
-
2023
- 2023-07-21 CN CN202321932210.5U patent/CN220494676U/en active Active
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| GR01 | Patent grant |