CN207661330U - Torsion spring reset type gravitational support - Google Patents
Torsion spring reset type gravitational support Download PDFInfo
- Publication number
- CN207661330U CN207661330U CN201721779293.3U CN201721779293U CN207661330U CN 207661330 U CN207661330 U CN 207661330U CN 201721779293 U CN201721779293 U CN 201721779293U CN 207661330 U CN207661330 U CN 207661330U
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- China
- Prior art keywords
- clamping limb
- side clamping
- gear
- shell
- torque arm
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Abstract
The utility model discloses a kind of torsion spring reset type gravitational support, including shell and be installed in shell bottom support arm, left side clamping limb, right side clamping limb, automatically reset gear assembly；Vertical straight tooth-strip part is provided on the support arm of bottom；Left side clamping limb, right side clamping limb all have lateral spur rack portion；The gear assembly that automatically resets includes gear and torsional spring, and torsional spring has spring body and is connected to the first torque arm, second torque arm at spring body both ends, and the first torque arm acts on gear, and the second torque arm acts on shell；There are gear outer teeth, outer teeth to be engaged on vertical straight tooth-strip part；Outer teeth link respectively left side clamping limb, right side clamping limb lateral spur rack portion lateral displacement；Thereby, it realizes the Automatic-clamping of holder using the product its own gravity being set on holder and resets and unclamp, especially, the setting of combination gear and torsional spring improves and resets agility and linkage stability, is also beneficial to reduce bracket shell occupied space.
Description
Technical field
The utility model is related to the mobile devices such as mobile phone field of stents technologies, refer in particular to a kind of torsion spring reset type gravity
Holder.
Background technology
Currently, popularizing with mobile devices such as mobile phones, handset bracket is also widely applied.Existing handset bracket
Hand-operated clamping is needed to fix mostly, minority is that Automatic-clamping designs, and is generally by the detection of pressure sensitive sensor
No placement mobile phone, microcontroller or microcontroller etc. control electric drive according to detected mobile phone rotation status and realize automatically
Clamp, there are complicated, cost of manufacture is high, power consumption, easy break-down, not good enough stability in use the deficiencies of, be unsuitable for promoting
Using.
Therefore, the utility model patent applicant has studied intensively a kind of novel Full-automatic support, efficiently solves
Above-mentioned variety of problems.
Utility model content
In view of this, the utility model is in view of the existing deficiencies of the prior art, it is multiple that main purpose is to provide a kind of torsional spring
Position formula gravitational support is realized the Automatic-clamping of holder and is resetted and unclamp, especially using the product its own gravity being set on holder
It is the setting of combination gear and torsional spring, improves and resets agility and linkage stability, is also beneficial to reduce bracket shell
Occupied space.
To achieve the above object, the utility model is using following technical solution：
A kind of torsion spring reset type gravitational support includes shell and the bottom support arm being installed in shell, left side clamping
Arm, right side clamping limb, automatically reset gear assembly；
Wherein, it is provided with vertical straight tooth-strip part on the bottom support arm；The left side clamping limb, right side clamping limb have
There is lateral spur rack portion；
The gear assembly that automatically resets includes gear and torsional spring, and the torsional spring has spring body and is connected to spring body
First torque arm, second torque arm at both ends, the spring body and gear are front and back to be disposed to extend and the two concentrically axis；Described first
Torque arm acts on gear, and second torque arm acts on shell；The gear has outer teeth, and outer teeth are engaged in perpendicular
To in spur rack portion；And the outer teeth link respectively left side clamping limb, right side clamping limb lateral spur rack portion transverse direction position
It moves；
Product is placed when on gravitational support, bottom support arm is by product gravity and to bottom offset, aforementioned vertical straight
Tooth-strip part linkage gear rotates forward, and the first torque arm is deformed with gear torsional, left side clamping limb, right side clamping limb lateral straight-tooth
Item portion is acted on by gear-linked and is laterally inward displacement and clamps；
When product is removed from gravitational support, gear is rotated backward, vertical straight by the reset response power of the first torque arm
Tooth-strip part is shifted up by gear-linked, left side clamping limb, right side clamping limb lateral spur rack portion respectively by gear-linked
It acts on and laterally outwardly displacement release.
As a preferred embodiment, the gear is internally provided with mounting shaft hole and the torsion around mounting shaft hole periphery
Spring mounting hole；Locating shaft is provided on the inside of the shell, the locating shaft stretches into mounting shaft hole；The spring body is located at torsional spring
In mounting hole, and, spring body is arranged around locating shaft.
As a preferred embodiment, position where one end of the gear corresponds to torsional spring mounting hole is formed with baffle portion, spring
One end of body is limited to baffle portion；And in offering the first relief hole in baffle portion, the first torque arm passes through the first relief hole shape
At the linkage positioning with gear.
As a preferred embodiment, after first torque arm passes through the first relief hole, end has integrally been bent to form hook
Portion, the hook part are limited to gear outer surface.
As a preferred embodiment, it is installed with wireless charging device in the shell or on shell.
As a preferred embodiment, the shell includes the first shell mutually assembled, second shell, the first shell
Body, second shell, which are enclosed, has been configured to inner containment chamber, in the aforementioned internally positioned accommodating chamber of the gear assembly that automatically resets, afore-mentioned bottom
Support arm, left side clamping limb, right side clamping limb are stretched out from inner containment chamber；
Aforementioned locating shaft is provided with positioning from the inside of first shell towards mounting shaft hole projection on the inside of second shell
Hole, its end adapts in location hole after aforementioned locating shaft passes through mounting shaft hole；Second torque arm acts in first shell.
As a preferred embodiment, the inside of the first shell corresponds to the periphery of locating shaft and is provided with annular wall, described
Annular chamber is formed between annular wall and locating shaft, one end of spring body is stretched into annular chamber, and gear is limited to the end face of annular wall；
And it is recessed with the second relief hole in the inner surface of annular chamber, the first torque arm stretches into the second relief hole.
As a preferred embodiment, second relief hole penetrates through first shell along the longitudinal direction, in the outer of first shell
Portion is provided with covering panel.
As a preferred embodiment, the outer teeth engage the lateral spur rack of left side clamping limb, right side clamping limb respectively
Portion forms direct linkage；
Alternatively, the outer teeth are respectively by engaging left side transmission gear, right side transmission gear, then by left side transmission gear
The lateral spur rack portion of engagement left side clamping limb, the lateral spur rack portion of right side transmission gear engagement right side clamping limb, to be formed
Indirect linkage of the outer teeth to left side clamping limb, right side clamping limb.
As a preferred embodiment, the left side clamping limb, right side clamping limb both have lateral steering positioning strip, left
The lateral steering positioning strip of side clamping limb is adapted to form laterally relative displacement with the lateral spur rack portion of right side clamping limb
Positioning, the lateral steering positioning strip of right side clamping limb are adapted to form laterally phase with the lateral spur rack portion of left side clamping limb
To displacement location.
The utility model has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technology
Scheme it is found that it is mainly unclamped using being set to product its own gravity on holder and realize Automatic-clamping of holder and reset,
Especially, the setting of combination gear and torsional spring improves and resets agility and linkage stability, is also beneficial to reduce holder shell
Body occupied space:Product is placed when on gravitational support, bottom support arm is aforementioned perpendicular by product gravity and to bottom offset
Rotated forward to spur rack portion linkage gear, the first torque arm is deformed with gear torsional, left side clamping limb, right side clamping limb transverse direction
Spur rack portion is acted on by gear-linked and is laterally inward displacement and clamps；When product is removed from gravitational support, gear is by first
The reset response power of torque arm and rotate backward, vertical straight tooth-strip part is shifted up by gear-linked, left side clamping limb, right side folder
The lateral spur rack portion of gripping arm is acted on and laterally outwardly displacement release by gear-linked respectively.
More clearly to illustrate the structure feature, technological means and its specific purposes and work(reached of the utility model
Can, the utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the three-dimensional assembling structure schematic diagram of the embodiment of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the embodiment of the utility model；
Fig. 3 is another angle decomposition structural schematic diagram of the embodiment of the utility model；
Fig. 4 is the exploded structural schematic diagram of the embodiment of the utility model；
Fig. 5 be the utility model embodiment in automatically reset the decomposition texture schematic diagram of gear assembly；
Fig. 6 be the utility model embodiment in automatically reset the assembling cross section structure schematic diagram of gear assembly；
Fig. 7 is the whole decomposition texture schematic diagram of the embodiment of the utility model；
Fig. 8 is the close-up schematic view of Fig. 7.
Description of drawing identification：
11, first shell 111, locating shaft
112, annular wall 113, the second relief hole
12, second shell 121, location hole
13, panel is covered
21, bottom support arm 211, vertical straight tooth-strip part
22, left side clamping limb 23, right side clamping limb
31, lateral steering positioning strip 32, lateral steering positioning strip
41, lateral spur rack portion 42, lateral spur rack portion
50, gear 51, mounting shaft hole
52, torsional spring mounting hole 53, baffle portion
54, the first relief hole 60, torsional spring
61, spring body 62, the first torque arm
621, hook part 63, the second torque arm.
Specific implementation mode
It please refers to shown in Fig. 1 to Fig. 8, that show the concrete structures of the embodiment of the utility model；The torsional spring is multiple
Position formula gravitational support is mainly used in vehicle-mounted occasion and uses, certainly, is not limited to vehicle-mounted occasion.The torsion spring reset type weight
Power holder includes shell and the bottom support arm 21 being installed in shell, left side clamping limb 22, right side clamping limb 23, automatic
Reseting gear component；In general, in the shell or on shell needs can be designed according to actual product, it is further installed with nothing
Micro USB electric installation carries out wirelessly the equipment such as mobile phone with facilitating in this way, the gravitational support with wireless charging function can be obtained
Charging.
Wherein, it is provided with vertical straight tooth-strip part 211 on the bottom support arm 21；The left side clamping limb 22, right side folder
Gripping arm 23 all has lateral spur rack portion (transverse direction spur rack portion 41, lateral spur rack portion 42 as shown)；Herein, the left side folder
Gripping arm 22, right side clamping limb 23 both have lateral steering positioning strip（Lateral steering positioning strip 31, lateral steering are fixed as shown
Position item 32）, the lateral steering positioning strip 31 of left side clamping limb 22 is adapted shape with the lateral spur rack portion 42 of right side clamping limb 23
It is positioned at laterally relative displacement, the lateral steering positioning strip 32 of right side clamping limb 23 and the lateral straight-tooth of left side clamping limb 22
Item portion 41 is adapted to form laterally relative displacement positioning.
The gear assembly that automatically resets includes gear 50 and torsional spring 60, and the torsional spring 60 has spring body 61 and connects respectively
It is connected to the first torque arm 62, second torque arm 63 at 61 both ends of spring body, the spring body 61 and gear 50 are front and back to be disposed to extend and the two
Concentrically axis；First torque arm 62 acts on gear 50, and second torque arm 63 acts on shell；The gear 50
With outer teeth, outer teeth are engaged on vertical straight tooth-strip part 211；And the outer teeth link respectively left side clamping limb
22 lateral spur rack portion 41, lateral 42 lateral displacement of spur rack portion of right side clamping limb 23；
When placing product when on gravitational support, bottom support arm 21 is aforementioned perpendicular by product gravity and to bottom offset
It is rotated forward to 211 linkage gear 50 of spur rack portion, the first torque arm 62 is with 50 torsional deflection of gear, the transverse direction of left side clamping limb 22
Spur rack portion 41, right side clamping limb 23 lateral spur rack portion 42 by 50 linkage of gear act on and be laterally inward displacement clamp；
And when removing product from gravitational support, gear 50 is rotated backward by the reset response power of the first torque arm 62,
Vertical straight tooth-strip part 211 is linked by gear 50 and is shifted up, the lateral spur rack portion 41 of left side clamping limb 22, right side clamping limb
23 lateral spur rack portion 42 is acted on and laterally outwardly displacement release by 50 linkage of gear respectively.
The gear 50 is internally provided with mounting shaft hole 51 and the torsional spring mounting hole 52 around 51 periphery of mounting shaft hole,
Herein, the mounting shaft hole 51 and the radial perforation each other of torsional spring mounting hole 52.Locating shaft 111 is provided on the inside of the shell,
The locating shaft 111 stretches into mounting shaft hole 51；The spring body 61 is located in torsional spring mounting hole 52, and, spring body 61 is around positioning
Axis 111 is arranged.One end of the gear 50 corresponds to 52 place position of torsional spring mounting hole and is formed with baffle portion 53, one end of spring body 61
It is limited to baffle portion 53；And in offering the first relief hole 54 in baffle portion 53, the first torque arm 62 passes through the first relief hole 54
The linkage with gear 50 is formed to position.After first torque arm 62 passes through the first relief hole 54, end has integrally been bent to form
Hook part 621, the hook part 621 are limited to gear outer surface.
The shell includes the first shell 11 mutually assembled, second shell 12, the first shell 11, second shell
12 enclose and have been configured to inner containment chamber, in the aforementioned internally positioned accommodating chamber of the gear assembly that automatically resets, afore-mentioned bottom support arm 21,
Left side clamping limb 22, right side clamping limb 23 are stretched out from inner containment chamber；Inside direction of the aforementioned locating shaft 111 from first shell 11
51 projection of mounting shaft hole is provided with location hole 121 in the inside of second shell 12, and aforementioned locating shaft 111 passes through mounting shaft hole 51
Its end adapts in location hole 121 afterwards；Second torque arm 63 acts in first shell 11.The first shell 11 it is interior
The periphery that side corresponds to locating shaft 111 is provided with annular wall 112, and annular is formed between the annular wall 112 and locating shaft 111
One end of chamber, spring body 61 is stretched into annular chamber, and gear is limited to the end face of annular wall 112；And it is recessed in the inner surface of annular chamber
Equipped with the second relief hole 113, the first torque arm 62 stretches into the second relief hole 113.Second relief hole 113 passes through along the longitudinal direction
Logical first shell 11, is provided in the outside of first shell 11 and covers panel 14.
In the present embodiment, outer teeth engage the lateral spur rack portion 41 of left side clamping limb 22, right side clamping limb 23 respectively
Lateral spur rack portion 42 form direct linkage；It, can also be by outer teeth respectively by engaging left side when actual product designs
Transmission gear, right side transmission gear, then the lateral spur rack portion by left side transmission gear engagement left side clamping limb, right side driving cog
The lateral spur rack portion of wheel engagement right side clamping limb, to form indirect linkage of the outer teeth to left side clamping limb, right side clamping limb.
In the present embodiment, aforementioned first shell 11 is front housing, and second shell 12 is rear shell, and at the back of rear shell, setting is useful
In the mounting base for installing entire holder, currently, the more typical installation application mode of the holders such as mobile phone mainly has：（1）Utilize sucker
Absorption is fixed,（2）It is fixed using the gap of air-conditioner air outlet；But installation holder structure not limits both, this practicality
The mounting base of the applicable a variety of different structures of novel holder, here, not enumerating.
And for aforementioned left side clamping limb 22, the shift reciprocately of right side clamping limb 23, bottom support arm 21, Ke Yishe
Meter stroke limit column stretches into the mode in stroke limit slot, so that left side clamping limb 22, right side clamping limb 23, bottom support arm 21
Displacement accuracy be guaranteed.
The design focal point of the utility model is, mainly realizes branch using the product its own gravity being set on holder
The Automatic-clamping of frame and reset are unclamped, and especially, the setting of combination gear and torsional spring improves and resets agility and linkage surely
It is qualitative, it is also beneficial to reduce bracket shell occupied space:Product is placed when on gravitational support, bottom support arm is by product weight
Force effect and to bottom offset, aforementioned vertical straight tooth-strip part linkage gear rotates forward, and the first torque arm is deformed with gear torsional, left side
Clamping limb, right side clamping limb lateral spur rack portion by gear-linked act on and be laterally inward displacement clamp；By product from gravity
When being removed on holder, gear is rotated backward by the reset response power of the first torque arm, vertical straight tooth-strip part by gear-linked and to
Upper displacement, left side clamping limb, right side clamping limb lateral spur rack portion respectively by gear-linked act on and laterally outwardly displacement pine
It opens.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change
Change and modify, is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of torsion spring reset type gravitational support, it is characterised in that：Include shell and the bottom support arm being installed in shell,
Left side clamping limb, right side clamping limb, automatically reset gear assembly；
Wherein, it is provided with vertical straight tooth-strip part on the bottom support arm；The left side clamping limb, right side clamping limb all have cross
To spur rack portion；
The gear assembly that automatically resets includes gear and torsional spring, and the torsional spring has spring body and is connected to spring body both ends
The first torque arm, the second torque arm, the spring body and gear are front and back to be disposed to extend and the two concentrically axis；First torque arm
It acts on gear, second torque arm acts on shell；There are the gear outer teeth, outer teeth to be engaged in vertical straight
On tooth-strip part；And the outer teeth link respectively left side clamping limb, right side clamping limb lateral spur rack portion lateral displacement；
Product is placed when on gravitational support, bottom support arm is by product gravity and to bottom offset, aforementioned vertical spur rack
Portion's linkage gear rotates forward, and the first torque arm is deformed with gear torsional, left side clamping limb, right side clamping limb lateral spur rack portion
It is acted on by gear-linked and is laterally inward displacement and clamps；
When product is removed from gravitational support, gear is rotated backward, vertical spur rack by the reset response power of the first torque arm
Portion is shifted up by gear-linked, left side clamping limb, right side clamping limb lateral spur rack portion acted on respectively by gear-linked
And laterally outwardly displacement is unclamped.
2. torsion spring reset type gravitational support according to claim 1, it is characterised in that：The gear is internally provided with peace
Fill axis hole and the torsional spring mounting hole around mounting shaft hole periphery；Locating shaft, the locating shaft are provided on the inside of the shell
It stretches into mounting shaft hole；The spring body is located in torsional spring mounting hole, and, spring body is arranged around locating shaft.
3. torsion spring reset type gravitational support according to claim 2, it is characterised in that：One end of the gear corresponds to torsional spring
Position where mounting hole is formed with baffle portion, and one end of spring body is limited to baffle portion；And it is allowed in offering first in baffle portion
Position hole, the linkage that the first torque arm passes through the first relief hole to be formed with gear position.
4. torsion spring reset type gravitational support according to claim 3, it is characterised in that：First torque arm allows across first
Behind the hole of position, end has integrally been bent to form hook part, and the hook part is limited to gear outer surface.
5. torsion spring reset type gravitational support according to claim 2, it is characterised in that：It is filled in the shell or on shell
Equipped with wireless charging device.
6. torsion spring reset type gravitational support according to claim 2, it is characterised in that：The shell includes mutual assembling
First shell, second shell, the first shell, second shell, which are enclosed, has been configured to inner containment chamber, the aforementioned tooth that automatically resets
In the internally positioned accommodating chamber of wheel assembly, afore-mentioned bottom support arm, left side clamping limb, right side clamping limb are stretched out from inner containment chamber；
Aforementioned locating shaft is provided with location hole from the inside of first shell towards mounting shaft hole projection on the inside of second shell,
Its end adapts in location hole after aforementioned locating shaft passes through mounting shaft hole；Second torque arm acts in first shell.
7. torsion spring reset type gravitational support according to claim 6, it is characterised in that：The inside of the first shell corresponds to
The periphery of locating shaft is provided with annular wall, and annular chamber is formed between the annular wall and locating shaft, and ring is stretched into one end of spring body
Shape intracavitary, gear are limited to the end face of annular wall；And it is recessed with the second relief hole, the first torque arm in the inner surface of annular chamber
It stretches into the second relief hole.
8. torsion spring reset type gravitational support according to claim 7, it is characterised in that：Second relief hole is along front and back
To perforation first shell, the outside of first shell is provided with covering panel.
9. torsion spring reset type gravitational support according to claim 1, it is characterised in that：The outer teeth engage left side respectively
Clamping limb, right side clamping limb lateral spur rack portion form direct linkage；
Alternatively, the outer teeth are engaged by engaging left side transmission gear, right side transmission gear, then by left side transmission gear respectively
The lateral spur rack portion of left side clamping limb, the lateral spur rack portion of right side transmission gear engagement right side clamping limb, to form external tooth
Indirect linkage of the tooth to left side clamping limb, right side clamping limb.
10. torsion spring reset type gravitational support according to claim 1, it is characterised in that：The left side clamping limb, right side folder
Gripping arm both has lateral steering positioning strip, the lateral steering positioning strip of left side clamping limb and the lateral straight-tooth of right side clamping limb
Item portion is adapted to form laterally relative displacement positioning, the cross of the lateral steering positioning strip and left side clamping limb of right side clamping limb
It is adapted to form laterally relative displacement positioning to spur rack portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779293.3U CN207661330U (en) | 2017-12-19 | 2017-12-19 | Torsion spring reset type gravitational support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779293.3U CN207661330U (en) | 2017-12-19 | 2017-12-19 | Torsion spring reset type gravitational support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661330U true CN207661330U (en) | 2018-07-27 |
Family
ID=62941599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721779293.3U Active CN207661330U (en) | 2017-12-19 | 2017-12-19 | Torsion spring reset type gravitational support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908074A (en) * | 2018-08-31 | 2018-11-30 | 江苏英锐半导体有限公司 | A kind of wafer burnishing device |
-
2017
- 2017-12-19 CN CN201721779293.3U patent/CN207661330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908074A (en) * | 2018-08-31 | 2018-11-30 | 江苏英锐半导体有限公司 | A kind of wafer burnishing device |
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