CN208885769U - A kind of four helical teeth automatic closing spindles - Google Patents
A kind of four helical teeth automatic closing spindles Download PDFInfo
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- CN208885769U CN208885769U CN201821374717.2U CN201821374717U CN208885769U CN 208885769 U CN208885769 U CN 208885769U CN 201821374717 U CN201821374717 U CN 201821374717U CN 208885769 U CN208885769 U CN 208885769U
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- helical teeth
- lcd
- teeth portion
- idle pulley
- base
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Abstract
The utility model discloses a kind of four helical teeth automatic closing spindles, and including LCD system axis and the BASE system axle hinged with LCD system axis, LCD system axis is connect with computer display screen, and BASE system axle is connect with computer base；LCD system axis includes LCD gear shaft, LCD bracket and support plate, LCD gear shaft includes the first helical teeth portion and the first caulking part, LCD bracket and the riveting of the first caulking part are fixed, the lower section in the first helical teeth portion is equipped with the first idle pulley being engaged with, first idle pulley and the helical angle size in the first helical teeth portion are identical and oppositely oriented, the lower section of first idle pulley is equipped with the second idle pulley being engaged with, the top of support plate is flush-mounted between the first helical teeth portion and the first caulking part, and one end of the first idle pulley and the second idle pulley is mounted on support plate；The utility model rotates good hand touch, kinematic axis installation is easy, high production efficiency and product stability are good.
Description
Technical field
The utility model relates to computer fittings technical fields, more particularly, to a kind of four helical teeth automatic closing spindles.
Background technique
The portables electronic device such as laptop, mobile phone, common structure includes ontology and lid, for protection electricity
Screen on sub-device lid does not receive damage, generally can be rotated by pivot structure in such electronic device lid being connected to this
Body, so that lid opposing body's opening and closing.
Existing pivot structure generally comprises A axle system and B axle system, and A axle system is by rivet by LCD rack plate riveting
It is connected on kinematic axis, constitutes LCD system axis, abbreviation A axis, and fixation is locked by screw hole on LCD rack plate and location hole
In on notebook lid on.B axle system is that LCD rack plate is riveted on kinematic axis by rivet, constitute B system, then by number
Screw hole and location hole on rack plate are attached on system ontology.A axle system and B axle system pass through intermediate sliding block and two sides
Axis track, the effect of two axis reverse sync of Lai Shixian AB operating, and transmitted in such a way that sliding block slides up and down, as above scheme institute
Show, is interlocked to achieve the effect that realize.
However the connection type of this shaft, realizing that feel is bad when rotating synchronously, kinematic axis is difficult to install, is easy to produce
Raw defective products, processing cost and generation period are longer, and product stability is bad, it is therefore desirable to improve.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of rotation good hand touch, kinematic axis to pacify
The four helical teeth automatic closing spindles that dressing is easy, high production efficiency and product stability are good.
To achieve the goals above, the technical scheme adopted by the utility model is
A kind of four helical teeth automatic closing spindles, including LCD system axis and the BASE system hinged with the LCD system axis
Axis, the LCD system axis are connect with computer display screen, and the BASE system axle is connect with computer base；The LCD system
Axis includes LCD gear shaft, LCD bracket and support plate, and the LCD gear shaft includes the first helical teeth portion and the first caulking part, described
LCD bracket and first caulking part riveting are fixed, and the lower section in first helical teeth portion, which is equipped with, to be engaged with and be staggered
The first idle pulley, first idle pulley and the helical angle size in first helical teeth portion are identical and oppositely oriented, and described first is lazy
The lower section of wheel is equipped with the second idle pulley for being engaged with and being staggered, and the top of the support plate is flush-mounted in first helical teeth
Between portion and the first caulking part, one end of first idle pulley and the second idle pulley is mounted on the support plate；The BASE system
System axis includes BASE gear shaft, BASE bracket and connecting plate, and the BASE gear shaft includes the second helical teeth portion and the second caulking part,
It is achieved a fixed connection between second caulking part and the BASE by key teeth and keyway, second helical teeth portion and described the
Two idle pulleys are engaged and are staggered, and second helical teeth portion and the helical angle size of second idle pulley are identical and oppositely oriented,
The top of the support plate is flush-mounted between second helical teeth portion and the second caulking part, and the connecting plate is arranged described second
The end of the end in helical teeth portion, first helical teeth portion, the first idle pulley and the second idle pulley is mounted on the connecting plate.
Further technical solution, the first riveting lower surface is plane, and has the upper riveted holes being vertically arranged, institute
It states and is equipped with rivet in riveted holes, rivet is vertically through the upper riveted holes and the LCD bracket, to realize LCD bracket
It is fixedly connected with the first caulking part.
Further technical solution, the second riveting lower surface is plane, and has the lower riveted holes being vertically arranged, institute
It states and is equipped with rivet in lower riveted holes, rivet, will be described with realization vertically through the lower riveted holes and the BASE bracket
BASE bracket and the second caulking part are fixedly connected.
Further technical solution, the side of the connecting plate are equipped with a lobe plate, and first helical teeth portion and second is tiltedly
The shaft end of teeth portion is through the lobe plate.
Further technical solution, it is the tooth form of 45 °, dextrorotation that first helical teeth portion, which selects helical angle,.
As the technical solution of supplement substitution, it is the tooth form of 20 °, dextrorotation that first helical teeth portion, which selects helical angle,.
After adopting the above structure, the utility model is compared to the prior art advantageously: 1, by selecting four tiltedly
Tooth is reported to the leadship after accomplishing a task engagement, to realize that LCD system axis is forward and reverse turn synchronous with BASE system axle, and while rotating is time saving and energy saving；2,
The structure of four helical teeth is fixed by support plate, and support plate directly carries out axle center positioning, the installation of four helical teeth through the stamping process
When be mounted directly the connection structure for simplifying pinion stand on the supporting plate, production efficiency improves, and the stability of product
It is good.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the structural schematic diagram of the LCD gear shaft of the utility model；
Fig. 3 is the structural schematic diagram of the BASE gear shaft of the utility model.
Specific embodiment
Below it is only the preferred embodiment of the utility model, does not therefore limit the protection scope of the utility model.
Four helical teeth automatic closing spindle of one kind as shown in Figure 1 to Figure 3, including LCD system axis 1 and with the LCD system
The hinged BASE system axle 2 of axis 1, the LCD system axis 1 are connect with computer display screen, the BASE system axle 2 and computer
Pedestal connection；The LCD system axis 1 includes LCD gear shaft 11, LCD bracket 12 and support plate 13, and the LCD gear shaft 11 wraps
The first helical teeth portion 11a and the first caulking part 11b are included, LCD bracket 12 and the first caulking part 11b riveting is fixed, described
The lower section of first helical teeth portion 11a is equipped with the first idle pulley 3 for being engaged with and being staggered, and first helical teeth portion 11a is selected
Helical angle is 45 °, the tooth form of dextrorotation, and first idle pulley 3 is identical as the helical angle size of first helical teeth portion 11a and rotation direction
On the contrary, the lower section of first idle pulley 3 is equipped with the second idle pulley 4 for being engaged with and being staggered, the support plate 13 it is upper
Portion is flush-mounted between first helical teeth portion 11a and the first caulking part 11b, and one end of first idle pulley 3 and the second idle pulley 4 is equal
It is installed on the support plate 13；The BASE system axle 2 includes BASE gear shaft 21, BASE bracket 22 and connecting plate 23, described
BASE gear shaft 21 includes the second helical teeth portion 21a and the second caulking part 21b, between the second caulking part 21b and the BASE
It being achieved a fixed connection by key teeth and keyway, second helical teeth portion 21a is engaged and is staggered with second idle pulley 4,
The helical angle size of second helical teeth portion 21a is identical and oppositely oriented, and the top of the support plate 13 is flush-mounted in described second
Between helical teeth portion 21a and the second caulking part 21b, the connecting plate 23 is arranged in the end of second helical teeth portion 21a, and described
The end of one helical teeth portion 11a, the first idle pulley 3 and the second idle pulley 4 are mounted on the connecting plate 23.
In this embodiment, the lower surface the first caulking part 11b is plane, and has the upper riveted holes being vertically arranged, described
Rivet is equipped in upper riveted holes, rivet is vertically through the upper riveted holes and the LCD bracket 12, to realize LCD bracket
12 are fixedly connected with the first caulking part 11b.
In this embodiment, the lower surface the second caulking part 21b is plane, and has the lower riveted holes being vertically arranged, described
Rivet is equipped in lower riveted holes, rivet, will be described with realization vertically through the lower riveted holes and the BASE bracket 22
BASE bracket 22 is fixedly connected with the second caulking part 21b.
In this embodiment, the side of the connecting plate 23 is equipped with a lobe plate 5, and first helical teeth portion 11a and second is oblique
The shaft end of teeth portion 21a is through the lobe plate 5.
Working principle: before use, the LCD screen of LCD bracket 12 and computer is carried out riveting fixation, BASE branch first
The pedestal of frame 22 and computer carries out riveting fixation, and when not using computer, shaft is in closed state, when overturning, LCD branch
Frame 12 is separated with screen and BASE bracket 22, in separation process, due between the first helical teeth portion 11a and the second helical teeth portion 21a
It is to be sequentially connected by two idle pulleys, therefore synchronous positive and negative rotation may be implemented, is saved during opening or closure
Shi Shengli；It is fixedly connected by keyway key teeth with BASE bracket 22 additionally, due to the end of the second helical teeth portion 21a, so rotating
When, BASE system axle 2 is whole to be relatively stationary, the first helical teeth portion 11a, the first idle pulley 3 and the second idle pulley 4 around
Second helical teeth portion 21a rotation, rotation feel are splendid.
In addition, the design of four helical teeth structures, only needs through the stamping process during fabrication in the corresponding position of support plate 13
Axle center hole is set, LCD gear shaft 11, BASE gear shaft 21, the first idle pulley 3 and the second idle pulley 4 are then installed on corresponding position
It sets, contraposition is convenient, and manufacture efficiency is high, and product stability is good.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (6)
1. a kind of four helical teeth automatic closing spindles, including LCD system axis and the BASE system axle hinged with the LCD system axis,
The LCD system axis is connect with computer display screen, and the BASE system axle is connect with computer base；It is characterized by: institute
Stating LCD system axis includes LCD gear shaft, LCD bracket and support plate, and the LCD gear shaft includes the first helical teeth portion and the first riveting
Socket part, the LCD bracket and first caulking part riveting are fixed, the lower section in first helical teeth portion be equipped be engaged with and
The first idle pulley being staggered, first idle pulley and the helical angle size in first helical teeth portion are identical and oppositely oriented, institute
The lower section for stating the first idle pulley is equipped with the second idle pulley for being engaged with and being staggered, and the top of the support plate is flush-mounted in described
Between first helical teeth portion and the first caulking part, one end of first idle pulley and the second idle pulley is mounted on the support plate；Institute
Stating BASE system axle includes BASE gear shaft, BASE bracket and connecting plate, and the BASE gear shaft includes the second helical teeth portion and the
Two caulking parts are achieved a fixed connection between second caulking part and the BASE by key teeth and keyway, second helical teeth
Portion engages and is staggered with second idle pulley, second helical teeth portion it is identical as the helical angle size of second idle pulley and
Oppositely oriented, the top of the support plate is flush-mounted between second helical teeth portion and the second caulking part, the connecting plate setting
The company is mounted in the end of the end in second helical teeth portion, first helical teeth portion, the first idle pulley and the second idle pulley
Fishplate bar.
2. a kind of four helical teeth automatic closing spindle according to claim 1, it is characterised in that: the first caulking part following table
Face is plane, and has the upper riveted holes being vertically arranged, and rivet is equipped in the upper riveted holes, rivet is vertically through the upper riveting
Hole and the LCD bracket are connect, is fixedly connected with LCD bracket and the first caulking part with realizing.
3. a kind of four helical teeth automatic closing spindle according to claim 1, it is characterised in that: the second caulking part following table
Face is plane, and has the lower riveted holes being vertically arranged, and rivet is equipped in the lower riveted holes, rivet is vertically through the lower riveting
Hole and the BASE bracket are connect, is fixedly connected with the BASE bracket and the second caulking part with realizing.
4. a kind of four helical teeth automatic closing spindle according to claim 1, it is characterised in that: the side of the connecting plate is set
There is a lobe plate, the shaft end in first helical teeth portion and the second helical teeth portion is through the lobe plate.
5. a kind of four helical teeth automatic closing spindle according to claim 1, it is characterised in that: first helical teeth portion selects
Helical angle is the tooth form of 45 °, dextrorotation.
6. a kind of four helical teeth automatic closing spindle according to claim 1, it is characterised in that: first helical teeth portion selects
Helical angle is the tooth form of 20 °, dextrorotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374717.2U CN208885769U (en) | 2018-08-24 | 2018-08-24 | A kind of four helical teeth automatic closing spindles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374717.2U CN208885769U (en) | 2018-08-24 | 2018-08-24 | A kind of four helical teeth automatic closing spindles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885769U true CN208885769U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821374717.2U Active CN208885769U (en) | 2018-08-24 | 2018-08-24 | A kind of four helical teeth automatic closing spindles |
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| CN (1) | CN208885769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024061020A1 (en) * | 2022-09-20 | 2024-03-28 | 荣耀终端有限公司 | Rotating mechanism and foldable electronic device |
-
2018
- 2018-08-24 CN CN201821374717.2U patent/CN208885769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024061020A1 (en) * | 2022-09-20 | 2024-03-28 | 荣耀终端有限公司 | Rotating mechanism and foldable electronic device |
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