CN207145437U - A kind of rotating shaft position limiting structure of foldable device - Google Patents
A kind of rotating shaft position limiting structure of foldable device Download PDFInfo
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- CN207145437U CN207145437U CN201721012897.5U CN201721012897U CN207145437U CN 207145437 U CN207145437 U CN 207145437U CN 201721012897 U CN201721012897 U CN 201721012897U CN 207145437 U CN207145437 U CN 207145437U
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- rotating shaft
- groove
- runner
- limiting structure
- position limiting
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Abstract
A kind of rotating shaft position limiting structure of foldable device, the rotating shaft position limiting structure include：Base, rotating shaft arm, switch and rotating shaft；Wherein, the rotating shaft arm is connected by the rotating shaft being fixed thereon with the base；The switch includes sliding part and clicking section, and the sliding part is movably disposed at the chassis interior, and can be engaged the rotating shaft；The clicking section is fixed on the sliding part, and from the surface of the base to exposing outside.The rotating shaft position limiting structure for the foldable device that the utility model embodiment proposes, switched by setting, can fix rotating shaft arm, so as to avoid maloperation to influence caused by the normal use of foldable device.
Description
Technical field
The utility model belongs to foldable device technical field, and in particular to a kind of spacing knot of the rotating shaft of foldable device
Structure.
Background technology
Foldable device, such as show stand, desk lamp, floor lamp etc., there is support or the folding feature of support arm, can be with
Arbitrarily regulation, and it is convenient for collecting.
By taking show stand as an example, show stand is also known as article showing platform, video showing platform, numbers show platform etc., main to include taking the photograph
As head, light source and table top.In use, show stand is connected with display devices such as projector, television sets, it is possible to clap camera
The various data being placed on table top taken the photograph, clearly show.Existing show stand is generally folding show stand,
Its agent structure includes base, support arm and folds arm, and the bottom of support arm is located on base, passes through rotating shaft at the top of support arm
It is connected with the one end for folding arm, folds and be provided with camera on arm.In use, fold arm expansion, camera face table top.Due to
After folding arm expansion, the rotating shaft still can be movable, therefore when accidentally meeting the folding arm, the position for folding arm may
Change, cause camera to be unable to face table top, so as to influence the normal use of show stand.Above-mentioned technical problem similarly can
Appear in other foldable devices.
Utility model content
In order to solve above-mentioned folding arm, that change in location may occur in use is normal so as to influence foldable device
The technical problem used, the utility model embodiment propose a kind of rotating shaft position limiting structure of foldable device.
A kind of rotating shaft position limiting structure of foldable device, the rotating shaft position limiting structure include：Base, rotating shaft arm, switch and
Rotating shaft；
Wherein, the rotating shaft arm is connected by the rotating shaft being fixed thereon with the base；
The switch includes sliding part and clicking section, and the sliding part is movably disposed at the chassis interior, and energy
It is engaged the rotating shaft；The clicking section is fixed on the sliding part, and from the surface of the base to exposing outside.
Further, one end of base includes the first convex portion, the second convex portion and the first recess, and the first recess is convex positioned at first
Between portion and the second convex portion；First convex portion forms the first groove on the side towards the first recess, and the second convex portion is towards
The second groove is formed on the side of one recess, the both ends of rotating shaft are separately mounted in the first groove and the second groove.
Further, base internally forms sliding channel, and the sliding channel is one or two, when described slide is led to
When road is one, the sliding channel connects with the first groove or the second groove；When the sliding channel is two, described two
Individual sliding channel connects with the first groove and the second groove respectively；
Base the surface to should sliding channel position, offer and stir groove, stir groove and connected with sliding channel；
The sliding part of the switch and clicking section are movably correspondingly arranged in the sliding channel of base and stirred in groove.
Further, one end of rotating shaft arm includes the second recess, the 3rd recess and the 3rd convex portion, and the 3rd convex portion is located at second
Between recess and the 3rd recess；
3rd convex portion axially opens up rotating shaft through hole along rotating shaft, for wearing and fixed rotating shaft；
Length of 3rd convex portion along rotating shaft axial direction is equal to or slightly less than length of first recess along rotating shaft axial direction.
Further, rotating shaft include respectively positioned at first runner of the rotating shaft both ends with concaveconvex shape and the second runner with
And the fixed part in the middle part of rotating shaft, fixed part are fixedly connected in the rotating shaft through hole, the first runner and the second runner are located at
Outside rotating shaft through hole；First runner and the second runner can be separately mounted in the first groove and the second groove of base.
Further, sliding part forms what is matched with the concaveconvex shape of the first runner close to the front end face of the first groove
Convex-concave profile；
And/or
Sliding part forms the convex-concave profile to match with the concaveconvex shape of the second runner close to the front end face of the second groove.
Further, first runner and/or the second runner are gear.
Further, the switch is shaped as T-shaped.
Further, the surface is upper surface, side surface or lower surface.
Further, the surface is upper surface, side surface or lower surface.
The beneficial effect of the utility model embodiment：The rotating shaft for the foldable device that the utility model embodiment proposes is spacing
Structure, switched by setting, can fix rotating shaft arm, so as to avoid maloperation to caused by the normal use of foldable device
Influence.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the rotating shaft position limiting structure for foldable device that the utility model embodiment proposes；
Fig. 2 is the mounting structure schematic diagram for the rotating shaft position limiting structure that the utility model embodiment proposes；
Fig. 3 is the partial structural diagram of the switch that the utility model embodiment proposes and rotating shaft；
Fig. 4 is the operating diagram for the rotating shaft position limiting structure that the utility model embodiment proposes；
Fig. 5 is the switch that the utility model embodiment proposes and the interlocking pattern schematic diagram of rotating shaft.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.But those skilled in the art know, the utility model is not limited to
Accompanying drawing and following examples.
The rotating shaft position limiting structure for the foldable device that the utility model embodiment proposes, as shown in figure 1, including：Base 1,
Rotating shaft arm 2, switch 3 and rotating shaft 4.
Wherein, one end of base 1 includes the first convex portion 11, the second convex portion 12 and the first recess 13, and the first recess 13 is located at
Between first convex portion 11 and the second convex portion 12, both sides are convex, umbilicate U-shaped structure so as to being formed in one end of base 1, can will
The both ends of rotating shaft 4 are separately mounted in the first convex portion 11 and the second convex portion 12.
First convex portion 11 forms the first groove 111 on the side towards the first recess 13, and the second convex portion 12 is towards
The second groove 121 is formed on the side of one recess 13, the both ends of rotating shaft 4 are separately mounted to the first groove 111 and the second groove 121
In.
Base 1 is internally formed along the sliding channel 14 perpendicular to the extension of rotating shaft axially direction, the sliding channel 14
For one or two, when the sliding channel is one, the sliding channel connects with the first groove 111 or the second groove 121
It is logical；When the sliding channel is two, described two sliding channels connect with the first groove 111 and the second groove 121 respectively；
Fig. 1 gives the example that the sliding channel 14 connects with the first groove 111.
Base 1 its upper surface, lower surface or side surface to should sliding channel 14 position, offer along perpendicular to turn
Groove 15 is stirred in the extension of axle axially direction, is stirred groove 15 and is connected with sliding channel 14.It is located at base 1 below to stir groove 15
Illustrated exemplified by upper surface, can be known stirs the realization side that groove 15 is located at the side surface of base to those skilled in the art accordingly
Formula.
One end of rotating shaft arm 2 includes the second recess 21, the 3rd recess 22 and the 3rd convex portion 23, and the 3rd convex portion 23 is located at second
Between the recess 22 of recess 21 and the 3rd, so as to form the structure that both sides are recessed, centre is convex in one end of rotating shaft arm 2.
3rd convex portion 23 axially opens up rotating shaft through hole 231 along rotating shaft, for wearing and fixed rotating shaft 4.
Length of 3rd convex portion 23 along rotating shaft axial direction is equal to or slightly less than length of first recess 13 along rotating shaft axial direction, so as to
When mounted, the 3rd convex portion 23 can be placed in the first recess 13.
Preferably, for good appearance, rotating shaft arm 2 installed with base 1 and it is unfolded when, the second recess 21 is along rotating shaft axle
To the smooth surface transition along rotating shaft axial direction of surface and the first convex portion 11, surface and second of the 3rd recess 22 along rotating shaft axial direction
Smooth surface transition of the convex portion 12 along rotating shaft axial direction, as shown in Figure 2.
Rotating shaft 4 includes being located at first runner 41 and the second runner 42 with concaveconvex shape at the both ends of rotating shaft 4 respectively, also wraps
The fixed part 43 positioned at the middle part of rotating shaft 4 is included, fixed part 43 is fixedly connected in rotating shaft through hole 231, the first runner 41 and second turn
Wheel 42 is outside rotating shaft through hole 231.During installation, it is first recessed to be separately mounted to base 1 for the first runner 41 and the second runner 42
In the groove 121 of groove 111 and second, so that rotating shaft arm 2 is rotatably installed on base 1.
Preferably, the first runner 41 is gear, and/or, the second runner 42 is gear.Fig. 1 and Fig. 3 gives the first runner
41 and second runner 42 be gear example.
Switch 3 includes sliding part 31 and clicking section 32, and the sliding part 31 is movably disposed inside the base 1,
And the rotating shaft 4 can be engaged；Clicking section 32 is fixed on sliding part 31, and from the surface of the base 1 to exposing outside, facilitates quilt
Stir.The sliding part 31 of the switch 3 and clicking section 32 are movably correspondingly arranged in the sliding channel 14 of base 1 and stir groove
In 15.
Preferably, the switch 3 that sliding part 31 and clicking section 32 are formed is shaped as T-shaped.
Preferably, sliding part 31 forms the concaveconvex shape phase with the first runner 41 close to the front end face of the first groove 111
The convex-concave profile of matching；And/or sliding part 31 forms the concave-convex with the second runner 42 close to the front end face of the second groove 121
The convex-concave profile that shape matches, so as to it when sliding part 31 contacts rotating shaft 4, can be engaged by the concaveconvex structure to match described in
Rotating shaft 4, fix rotating shaft 4 so that rotating shaft arm 2 can not rotate.
As shown in figure 3, sliding part 31 is formed and the first runner 41 close to the front end face 311 of the first groove 111 of base 1
The concaveconvex shape that the gear teeth and teeth groove profile match, can when being contacted so as to the front end face 311 of sliding part 31 with the first runner 41
It is engaged the first runner 41.
In order to be rocked back and forth in groove 15 is stirred when preventing that clicking section 32 is struck, it is preferable that width of clicking section 32 etc.
In or be slightly less than and stir the width of groove 15.It is highly preferred that the thickness of sliding part 31 is equal to or slightly less than the thickness of sliding channel 14,
It can further prevent from rocking back and forth in groove 15 is stirred when clicking section 32 is struck.
During installation, sliding part 31 is located in sliding channel 14, and clicking section 32 is positioned at stirring in groove 15, when clicking section 32 is being dialled
When being fiddled with dynamic groove 15, sliding part 31 can be in sliding channel 14 in a manner of closer or far from the first groove 111
Move back and forth, and can be engaged or separate with the teeth groove of the first runner 41.
The working method of the rotating shaft position limiting structure is：Rotating shaft arm 2 is distinguished by the first runner 41 and the second runner 42
In the first groove 111 and the second groove 121, so that rotating shaft arm 2 is rotatably installed on base 1, such as Fig. 2 institutes
Show；Sliding part 31 is placed in sliding channel 14, and clicking section 32, which is placed on, stirs in groove 15；When clicking section 32 is by close to first
When the direction of groove 111 is stirred, as shown in figure 4, the front end face 311 of sliding part 31 is engaged with the first runner 41, so that turning
Armshaft 2, which is fixed, to be connected on base 1, as shown in Figure 5；When clicking section 32 is stirred to the direction away from the first groove 111
When, the front end face 311 of sliding part 31 separates with the first runner 41, so that rotating shaft arm 2 can rotate relative to base 1.
The foldable device can be show stand, desk lamp or floor lamp.
More than, embodiment of the present utility model is illustrated.But the utility model is not limited to above-mentioned implementation
Mode.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, done etc., should be included in
Within the scope of protection of the utility model.
Claims (10)
1. the rotating shaft position limiting structure of a kind of foldable device, it is characterised in that the rotating shaft position limiting structure includes：Base, rotating shaft
Arm, switch and rotating shaft；
Wherein, the rotating shaft arm is connected by the rotating shaft being fixed thereon with the base；
The switch includes sliding part and clicking section, and the sliding part is movably disposed at the chassis interior, and can be engaged
The rotating shaft；The clicking section is fixed on the sliding part, and from the surface of the base to exposing outside.
2. rotating shaft position limiting structure according to claim 1, it is characterised in that one end of base includes the first convex portion, second
Convex portion and the first recess, the first recess is between the first convex portion and the second convex portion；First convex portion is in the side towards the first recess
The first groove is formed on face, the second convex portion forms the second groove on the side towards the first recess, and the both ends of rotating shaft are pacified respectively
In the first groove and the second groove.
3. rotating shaft position limiting structure according to claim 2, it is characterised in that base internally forms sliding channel, described
Sliding channel is one or two, when the sliding channel is one, the sliding channel and the first groove or the second groove
Connection；When the sliding channel is two, described two sliding channels connect with the first groove and the second groove respectively；
Base the surface to should sliding channel position, offer and stir groove, stir groove and connected with sliding channel；
The sliding part of the switch and clicking section are movably correspondingly arranged in the sliding channel of base and stirred in groove.
4. rotating shaft position limiting structure according to claim 3, it is characterised in that one end of rotating shaft arm includes the second recess, the
Three recesses and the 3rd convex portion, the 3rd convex portion is between the second recess and the 3rd recess；
3rd convex portion axially opens up rotating shaft through hole along rotating shaft, for wearing and fixed rotating shaft；
Length of 3rd convex portion along rotating shaft axial direction is equal to or slightly less than length of first recess along rotating shaft axial direction.
5. rotating shaft position limiting structure according to claim 4, it is characterised in that rotating shaft includes being located at the tool at rotating shaft both ends respectively
There are the first runner and the second runner and the fixed part in the middle part of rotating shaft of concaveconvex shape, fixed part is fixedly connected on described turn
In shaft through-hole, the first runner and the second runner are located at outside rotating shaft through hole；First runner and the second runner can be separately mounted to
In the first groove and the second groove of base.
6. rotating shaft position limiting structure according to claim 5, it is characterised in that front end face shape of the sliding part close to the first groove
The convex-concave profile to match into the concaveconvex shape with the first runner；
And/or
Sliding part forms the convex-concave profile to match with the concaveconvex shape of the second runner close to the front end face of the second groove.
7. rotating shaft position limiting structure according to claim 6, it is characterised in that first runner and/or the second runner are
Gear.
8. rotating shaft position limiting structure according to any one of claim 1 to 7, it is characterised in that the switch is shaped as T
Shape.
9. rotating shaft position limiting structure according to any one of claim 1 to 7, it is characterised in that the surface be upper surface,
Side surface or lower surface.
10. rotating shaft position limiting structure according to claim 8, it is characterised in that the surface be upper surface, side surface or under
Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012897.5U CN207145437U (en) | 2017-08-14 | 2017-08-14 | A kind of rotating shaft position limiting structure of foldable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012897.5U CN207145437U (en) | 2017-08-14 | 2017-08-14 | A kind of rotating shaft position limiting structure of foldable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145437U true CN207145437U (en) | 2018-03-27 |
Family
ID=61665495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721012897.5U Active CN207145437U (en) | 2017-08-14 | 2017-08-14 | A kind of rotating shaft position limiting structure of foldable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145437U (en) |
-
2017
- 2017-08-14 CN CN201721012897.5U patent/CN207145437U/en active Active
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