CN207679098U - Chinese hand-rail type Liftable desk for teacher - Google Patents
Chinese hand-rail type Liftable desk for teacher Download PDFInfo
- Publication number
- CN207679098U CN207679098U CN201720766045.9U CN201720766045U CN207679098U CN 207679098 U CN207679098 U CN 207679098U CN 201720766045 U CN201720766045 U CN 201720766045U CN 207679098 U CN207679098 U CN 207679098U
- Authority
- CN
- China
- Prior art keywords
- teacher
- rail type
- power plant
- box
- lower box
- Prior art date
- 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
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- Combinations Of Kitchen Furniture (AREA)
Abstract
Chinese hand-rail type Liftable desk for teacher.Current Chinese lectern is all fixed, cannot carry out height adjusting, the angle of computer and books that teacher uses can not adjust.The utility model forms：Upper box（3）, lower box（4）, the lower box is interior to install power plant（1）, the power plant and transmission device（2）Connection, the power plant includes supporting rack（15）, transmission shaft is installed in the supporting rack（13）, the left end of the transmission shaft is equipped with turntable（12）, the turntable and rocking arm（11）One end be fixedly connected, the other end of the rocking arm is connect with the lower box by bearing, and the right end of the transmission shaft is equipped with first bevel gear（14）.The utility model is for Chinese hand-rail type Liftable desk for teacher.
Description
Technical field：
The utility model is related to a kind of Chinese hand-rail type Liftable desk for teacher.
Background technology：
The lectern used in teaching of Chinese is all fixed at present, cannot carry out height adjustment, lectern according to the height of teacher
Volume it is bigger, blocked the sight of front-seat classmate, influenced to learn, teacher, cannot when putting books or computer on lectern
The support angle of books or computer is adjusted, the viewing of teacher can be influenced.
Utility model content：
The purpose of this utility model is to provide a kind of Chinese hand-rail type Liftable desk for teacher.
Above-mentioned purpose is realized by following technical scheme：
A kind of Chinese hand-rail type Liftable desk for teacher, composition include：Upper box, lower box, the interior peace of the lower box
Power plant is filled, the power plant is connect with transmission device, and the power plant includes supporting rack, the supporting rack
Transmission shaft is inside installed, the left end of the transmission shaft is equipped with turntable, and the turntable is fixedly connected with one end of rocking arm, institute
The other end for the rocking arm stated is connect with the lower box by bearing, and the right end of the transmission shaft is equipped with the first cone tooth
Wheel.
Chinese hand-rail type Liftable desk for teacher, the lower box are sleeved on four pillars solid with the pillar
Fixed connection, the circular hole that the upper end of the pillar described in four is each passed through the upper box are fixedly connected with upper mounted plate, four
The lower end of the pillar is fixedly connected with bottom plate respectively, leading screw respectively with the bottom plate and the lower box
It is connected by bearing with the upper mounted plate, the leading screw is connect with the upper box by ball block, the silk
The lower end of thick stick is equipped with second bevel gear, and the first bevel gear is meshed with the second bevel gear.
Chinese hand-rail type Liftable desk for teacher, the right end of the upper box have a groove, the groove with
One end of rotor plate is connected by shaft, and the other end of the rotor plate is connect with support plate by shaft, the groove
Bottom surface on one group of convex block is installed, block is installed on the rotor plate.
Advantageous effect：
1. provided by the utility model is a kind of Chinese hand-rail type Liftable desk for teacher, it is desirable to when being increased to lectern,
Rocking arm is rotated, by being meshed for first bevel gear and second bevel gear, leading screw rotates therewith, can by the cooperation of ball block
To realize that the decline of upper box may be implemented in the raising of upper box, the rotation direction of rocking arm on the contrary.
The utility model carries out height adjustment using hand-rail type, more stablizes during the adjustment.
The utility model is small, will not block the sight of student, and when not in use, the height of upper box is minimum, volume
Reach minimum, any corner can be pushed it to.
The utility model uses the structure of ball block, and when carrying out height and adjusting, frictional force greatly reduces, will not be to top box
Body generates abrasion.
The utility model uses rotor plate and supporting plate structure, teacher can be to computer and class when using computer and textbook
This angle is adjusted, and teacher is facilitated to watch.
Description of the drawings：
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is the sectional view of the A-A of the utility model.
Specific implementation mode：
Embodiment 1：
A kind of Chinese hand-rail type Liftable desk for teacher, composition include：Upper box 3, lower box 4, in the lower box
Power plant 1 is installed, the power plant is connect with transmission device 2, and the power plant includes supporting rack 15, described
Transmission shaft 13 is installed, the left end of the transmission shaft is equipped with turntable 12, the turntable and the one of rocking arm 11 in supporting rack
End is fixedly connected, and the other end of the rocking arm is connect with the lower box by bearing, the right end peace of the transmission shaft
Equipped with first bevel gear 14.
Embodiment 2：
According to Chinese hand-rail type Liftable desk for teacher described in embodiment 1, the lower box is sleeved on four pillars 63
It is fixedly connected with the pillar, the upper end of the pillar described in four is each passed through the circular hole and upper mounted plate of the upper box
61 are fixedly connected, and the lower end of the pillar described in four is fixedly connected with bottom plate 62 respectively, leading screw 21 respectively with it is described under
Fixed plate is connected with the lower box with the upper mounted plate by bearing, and the leading screw passes through with the upper box
Ball block 22 connects, and the lower end of the leading screw is equipped with second bevel gear 23, the first bevel gear and described second
Bevel gear is meshed.
Embodiment 3：
According to Chinese hand-rail type Liftable desk for teacher described in embodiment 1, the right end of the upper box has groove 31,
The groove is connect with one end of rotor plate 7 by shaft, and the other end and the support plate 33 of the rotor plate pass through shaft
It connects, one group of convex block 32 is installed on the bottom surface of the groove, block 34 is installed on the rotor plate.
Claims (3)
1. a kind of Chinese hand-rail type Liftable desk for teacher, composition include：Upper box, lower box, it is characterized in that：The nowel
Installation power plant, the power plant are connect with transmission device in vivo, and the power plant includes supporting rack, described
Transmission shaft is installed, the left end of the transmission shaft is equipped with turntable, and one end of the turntable and rocking arm is fixed in supporting rack
Connection, the other end of the rocking arm connect with the lower box by bearing, and the right end of the transmission shaft is equipped with the
One bevel gear.
2. Chinese hand-rail type Liftable desk for teacher according to claim 1, it is characterized in that：The lower box is sleeved on four
Be fixedly connected with the pillar on pillar, the upper end of the pillar described in four be each passed through the circular hole of the upper box with it is upper
Fixed plate is fixedly connected, and the lower end of the pillar described in four is fixedly connected with bottom plate respectively, leading screw respectively with it is described under
Fixed plate is connected with the lower box with the upper mounted plate by bearing, and the leading screw passes through with the upper box
Ball block connects, and the lower end of the leading screw is equipped with second bevel gear, the first bevel gear and the second cone tooth
Wheel is meshed.
3. Chinese hand-rail type Liftable desk for teacher according to claim 1, it is characterized in that：The right end of the upper box has
Fluted, one end of the groove and rotor plate is connected by shaft, and the other end and the support plate of the rotor plate pass through
Shaft connects, and is equipped with one group of convex block on the bottom surface of the groove, block is equipped on the rotor plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766045.9U CN207679098U (en) | 2017-06-28 | 2017-06-28 | Chinese hand-rail type Liftable desk for teacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766045.9U CN207679098U (en) | 2017-06-28 | 2017-06-28 | Chinese hand-rail type Liftable desk for teacher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207679098U true CN207679098U (en) | 2018-08-03 |
Family
ID=62986297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720766045.9U Expired - Fee Related CN207679098U (en) | 2017-06-28 | 2017-06-28 | Chinese hand-rail type Liftable desk for teacher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207679098U (en) |
-
2017
- 2017-06-28 CN CN201720766045.9U patent/CN207679098U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180803 Termination date: 20200628 |