CN209228941U - Shaft buffer unit - Google Patents
Shaft buffer unit Download PDFInfo
- Publication number
- CN209228941U CN209228941U CN201821654557.7U CN201821654557U CN209228941U CN 209228941 U CN209228941 U CN 209228941U CN 201821654557 U CN201821654557 U CN 201821654557U CN 209228941 U CN209228941 U CN 209228941U
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- shaft
- section
- elastic component
- segment
- buffer unit
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Abstract
The utility model relates to a kind of shaft buffer units.The structure of shaft buffer unit includes shell, elastic component, shaft, and one end of shaft can pass through elastic component, and rotate in elastic component, and elastic component can squeeze shaft in shaft rotary course, to change the rotary resistance of shaft.The shaft buffer unit of above structure, during closure or unlatching, rotary resistance slowly becomes larger after shaft turns an angle, and the revolving speed of shaft can be gradually reduced, to play preferable buffering effect.Therefore when shaft buffer unit is mounted on the mechanism for needing to open or close, shaft buffer unit structure is simply not only easy to install, and is able to achieve the slowly effect of unlatching or slow closing mechanism.
Description
Technical field
The utility model relates to the technical fields of damper, more particularly to a kind of shaft buffer unit.
Background technique
In the device for needing to be turned on or off, if user applied force is too big, the damage of device is easily led to.Market at present
On occur it is some can buffer function power damper, but damp structure it is complex.
Utility model content
Based on this, it is necessary to for the problem of damper structure complexity, provide a kind of shaft buffer unit.
A kind of shaft buffer unit, comprising:
Shell offers limit hole；
Elastic component is placed in the limit hole, and engages with the shell；And
Shaft, one end pass through the elastic component, and the other end stretches out the limit hole, and the shaft being capable of the relatively described shell
Rotation, the elastic component described in the shaft rotary course can squeeze the shaft, to change the rotary resistance of the shaft.
Above-mentioned shaft buffer unit, when shaft rotates, elastic component can squeeze shaft, generate the effect for hindering shaft rotation
Power.Since elastic component can change the resistance of shaft rotation, thus the velocity of rotation of shaft is easy to change.For example, above-mentioned knot
The shaft buffer unit of structure, during closure or unlatching, rotary resistance slowly becomes larger after shaft turns an angle, and turns
The revolving speed of axis can be gradually reduced, to play preferable buffering effect.Therefore when shaft buffer unit be mounted on needs open or
When the mechanism of closing, shaft buffer unit structure is simply not only easy to install, and is able to achieve slowly unlatching or slow closing mechanism
Effect.
The shaft buffer unit further includes upper cover in one of the embodiments, and the upper cover offers through-hole, and energy
It is enough sheathed on the shaft, so that the shaft stretches out the through-hole.
The upper cover includes first segment and second segment in one of the embodiments, the first segment and the second segment
It being integrally formed, the flush with outer surface of the outer surface of the first segment and the shell, the second segment is arranged in the limit hole,
And with the cage connection.
The maximum width of the cross section of the first segment is greater than the cross section of the second segment in one of the embodiments,
Maximum width.
The through-hole includes linkage section and section of stretching out in one of the embodiments, the linkage section and the section of stretching out
It communicates, the maximum width of the cross section of the linkage section is greater than the maximum width of the cross section of the section of stretching out.
The shaft includes leading portion and back segment in one of the embodiments, and the leading portion is connected with the back segment, institute
It states leading portion and is arranged in the linkage section and the elastic component, the back segment is arranged in the section of stretching out.
The cross section of the leading portion is in kidney-shaped in one of the embodiments, and the maximum of the cross section of the leading portion is wide
Degree is greater than the maximum width of the cross section of the back segment.
The limit hole includes thread segment, engaging section and rotation section, the thread segment, institute in one of the embodiments,
It states engaging section and the rotation section is interconnected, the part-structure of the upper cover is placed in the thread segment, the elasticity
Part is sticked in the engaging section, and one end of the shaft is protruded into the rotation section and can be in the rotation section with respect to institute
State shell rotation.
The maximum width of the cross section of the engaging section is greater than the cross section of the rotation section in one of the embodiments,
Maximum width.
The material of the elastic component is rubber, silica gel, plastics or stainless steel, and the bullet in one of the embodiments,
Property part quantity be two or more.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the shaft buffer unit in an embodiment；
Fig. 2 is a kind of location status schematic diagram of the shaft of shaft buffer unit shown in FIG. 1 in elastic component；
Fig. 3 is another location status schematic diagram of the shaft of shaft buffer unit shown in FIG. 1 in elastic component；
Fig. 4 is the cross-sectional view of the upper cover of shaft buffer unit shown in FIG. 1；
Fig. 5 is the right view of the upper cover of shaft buffer unit shown in Fig. 4；
Fig. 6 is the main view of the shaft of shaft buffer unit shown in FIG. 1；
Fig. 7 is the left view of the shaft of shaft buffer unit shown in fig. 6；
Fig. 8 is the cross-sectional view of the shell of shaft buffer unit shown in FIG. 1；
Fig. 9 is the main view of the elastic component of shaft buffer unit shown in FIG. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
With reference to Fig. 1, in one embodiment, shaft buffer unit 10 includes shell 100, elastic component 200 and shaft 300.
Shell 100 offers limit hole 110, and elastic component 200 is placed in limit hole 110, and engages with shell 110.In one embodiment
In, shell 100 includes main part 120 and fixed part 121, and main part 120 and fixed part 121 are integrally formed, the cross of main part 120
The maximum width in section is greater than the maximum width of 121 cross section of fixed part.Elastic component 200 is in O shape or U-shaped, when elastic component 200 holds
It when being placed in limit hole 110, and is abutted against on the inside of limit hole 110, so that elastic component 200 engages with limit hole 110.Shaft 300 1
Across elastic component 200, the other end stretches out limit hole at end, shaft 300 can opposite shell 100 rotate, in 300 rotary course of shaft
Middle elastic component 200 can squeeze shaft 300, to change the rotary resistance of shaft 300.
Specifically, kidney-shaped is presented in the cross section of shaft 300, and kidney-shaped refers to that intermediate width is consistent, both sides be gradually reduced and
It is cambered.Elastic component 200 is in 0 shape or U-shaped, by taking O shape as an example, with reference to Fig. 2, when shaft 300 is arranged in elastic component 200, O shape
Elastic component 200 just engages with the shaft 300 of kidney-shaped, and the angle of shaft 300 and elastic component 200 is 0 degree at this time, elastic component 200
Extrusion deformation it is minimum and frictional force is minimum；With reference to Fig. 3, when the angle of shaft 300 and elastic component 200 is about 90 degree,
Shaft 300 squeezes 200 two sides of elastic component, and the extrusion deformation of elastic component 200 is maximum, reaches maximal friction.In one embodiment
In, when shaft 300 is the state engaged with elastic component 200, the resistance of shaft 300 and elastic component 200 is minimum at this time, shaft
300 can be along clockwise or counterclockwise, when rotation, and elastic component 200 can squeeze shaft 300, generate and shaft 300 is hindered to revolve
The active force turned, the rotary resistance of shaft 300 can change with the rotation of shaft 300.
One end of above-mentioned shaft buffer unit 10, shaft 300 can pass through elastic component 200, and revolve in elastic component 200
Turn, elastic component 200 can squeeze shaft 300 in 300 rotary course of shaft, to change the rotary resistance of shaft 300.On for example,
The shaft buffer unit 10 for stating structure, during closure or unlatching, rotary resistance is slow after shaft 300 turns an angle
Slowly become larger, the revolving speed of shaft 300 can be gradually reduced, to play preferable buffering effect.Therefore when shaft buffer unit 10 is pacified
When mounted in the mechanism for needing to open or close, 10 structure of shaft buffer unit is simply not only easy to install, and is able to achieve and slowly opens
It opens or the effect of slow closing mechanism.
In one embodiment, shaft buffer unit 10 further includes upper cover 400, and upper cover 400 offers through-hole 410, and energy
It is enough sheathed on shaft 300, so that shaft 300 stretches out through-hole 410.In one embodiment, upper cover 400 can connect shell 100,
The through-hole 410 that upper cover 400 opens up is communicated with the limit hole 110 of shell 100, and can be sheathed on shaft 300, so that shaft
300, which can not only stretch out limit hole 110, can also stretch out through-hole 410, and the shaft 300 of stretching may be mounted at needs and open or close
Mechanism.Since the rotation of shaft 300 can change rotary resistance, when being mounted in mechanism, when shaft 300 rotates to one
When determining angle, the rotary resistance of shaft 300 is gradually increased, and the revolving speed of shaft 300 can be gradually reduced, and mechanism will not be because of larger
Active force be quickly turned on or off, preferable buffering effect is hardly damaged mechanism.
With reference to Fig. 4, in one embodiment, upper cover 400 includes first segment 420 and second segment 430, first segment 420 and the
Two section of 430 integrated molding, the outer surface of first segment 420 and the flush with outer surface of shell 100, second segment 430 are arranged in limit hole
110, and connect with shell 100.With reference to Fig. 1, in the embodiment that shell 100 includes main part 120 and fixed part 121, upper cover
The outer surface of 400 first segment 420 is identical as the exterior surface dimension of main part 120, can flush with each other, second segment 430 can
It is connect with main part 120.Further, the maximum width of the cross section of first segment 420 is greater than the cross section of second segment 430 most
Big width.In one embodiment, second segment 430 can be pasted with main part 120, buckles and is threadedly coupled, with screw thread
For connection, second segment 430 can with connected on the inside of main part 120, there is an external screw thread in the outside of second segment 430, in main part 120
There is internal screw thread in side, so that user can disassemble upper cover 400 and main part 120 without auxiliary tool, thus favorably
In the assembly and disassembly of upper cover 400 and main part 120.It is understood that second segment 430 and main part 120 can also paste,
Buckle etc., used means are similar with the effect reached, and details are not described herein again.
With reference to Fig. 5, in one embodiment, through-hole 410 include linkage section 411 and section of stretching out 413, linkage section 411 with stretch
Section 413 communicates out, and the maximum width of the cross section of linkage section 411 is greater than the maximum width of the cross section of section of stretching out 413.In Fig. 4
Shown in embodiment, the cross section of linkage section 411 and section of stretching out 413 is circle, so that shaft 300 can be in through-hole 410
Interior smooth rotation.With reference to Fig. 1, in other embodiments, the shape of through-hole 410 can be polygon, such as pentagon, six sides
Shape etc. when so that shaft 300 rotating in through-hole 410, can generate the effect of Caton.Linkage section 411 is transversal with section of stretching out 413
The shape in face can be different, do not influence the rotation of shaft 300.The maximum width of the cross section of linkage section 411 is greater than section of stretching out 413
Cross section maximum width.
With reference to Fig. 6 and Fig. 7, in one embodiment, shaft 300 includes leading portion 310 and back segment 320, leading portion 310 and back segment
320 are connected, and leading portion 310 is arranged in linkage section 411 and elastic component 200, and back segment 320 is arranged in section of stretching out 413.With reference to Fig. 1,
In one embodiment, the leading portion 310 of shaft 300 passes through elastic component 200, and can opposite shell 100 rotate, revolved in shaft 300
Shaft 300 can be squeezed by turning over elastic component 200 in journey, to change the rotary resistance of shaft 300.Specifically, leading portion 310 can be worn
Elastic component 200 is crossed, elastic component 200 can also be not passed through, and leading portion 310 can be fastened on inside elastic component 200.Back segment 320
Across section of stretching out 413, shaft 300 can rotate in linkage section 411, section of stretching out 413 and elastic component 200.Implement at one
In example, the size for being sized larger than 320 outer surface of back segment of the outer surface of leading portion 310, in the actual operation process, size is small
Back segment 320 is mounted on when in the mechanism for needing to open or close, and is not only easy installation, but also structure is simple, easy to operate.
In one embodiment, the maximum width of the cross section of leading portion 310 is greater than the maximum width of the cross section of back segment 320
Degree.Specifically, leading portion 310 is arranged in linkage section 411 and elastic component 200, and the cross section of leading portion 310 is kidney-shaped, with above-mentioned kidney-shaped
Shaft 300 for, when leading portion 310 is rotated in elastic component 200, the rotary resistance of shaft 300 can be with shaft 300
It rotates and changes.The shape of the cross section of back segment 320 can be round or polygon, such as pentagon, hexagon etc.,
So that back segment 320 can rotate in through-hole 410 and have Caton effect.It is understood that the cross section of leading portion 310 can be with
It is identical with the shape of the cross section of back segment 320, and be all kidney-shaped.It is understood that cross section and the back segment 320 of leading portion 310
The shape of cross section can also be different.
With reference to Fig. 1, in one embodiment, limit hole 110 includes thread segment 111, engaging section 113 and rotation section 115, spiral shell
Line section 111, engaging section 113 and rotation section 115 communicate, and second segment 430 is placed in thread segment 111, and the elastic component 200 blocks
Together in the engaging section 113, one end of shaft 300 is protruded into rotation section 115 and can rotate opposite shell in section 115
100 rotations.With reference to Fig. 8, in one embodiment, second segment 430 is placed in thread segment 111 and is threadedly coupled with shell 100,
Elastic component 200 is fastened on engaging section 113, and shaft 300 passes through elastic component 200 and protrudes into rotation section 115, and shaft 300 can be with
It is only fastened on elastic component 200 and does not protrude into rotation section 115.Further, the maximum width for engaging the cross section of section 113 is greater than rotation
The maximum width of the cross section of section 115, the also greater than maximum width of the cross section of linkage section 411.In one embodiment, upper cover
400 can play the role of positioning to elastic component 200, so that elastic component 200 can not only be fastened on engaging section 113, moreover it is possible to prevent
When shaft 300 rotates, elastic component 200 produces engaging section 113 and reaches linkage section 411 or rotation section 115 elastic component 200.On
The positioning of lid 400 prevent elastic component 200 from turning to linkage section 411 or rotation section 115.The structure of rotation section 115 is easy to add
Work, and enable to the structural strength with higher of shell 100.In one embodiment, shaft 300 can linkage section 411,
Engage in the elastic component 200 of section 113 and rotate rotation in section 115.When shaft 300 is the state engaged with elastic component 200, this
When shaft 300 and elastic component 200 resistance it is minimum, shaft 300 can be along clockwise or counterclockwise, and elastic component 200 can be with
Shaft 300 is squeezed, generates the active force for hindering shaft 300 to rotate, the rotary resistance of shaft 300 can be with the rotation of shaft 300
And change.
With reference to Fig. 9, in one embodiment, the material of elastic component 200 is rubber, silica gel, plastics or stainless steel, and elastic
The quantity of part 200 is two or more.In one embodiment, the material of elastic component 200 is soft springy material, with
For rubber.With reference to Fig. 1, when shaft 300 is when certain angle rotates, shaft 300 squeezes elastic component 200, and elastic component 200 changes
Shape applies extruding force to change the resistance of the rotation of shaft 300, so that the revolving speed of shaft 300 changes to shaft 300.Fortune
When using the mechanism for needing to be turned on or off, due to rubber to the extruding of its shaft 300 so that revolving speed is gradually reduced, play
Preferable buffering effect.It is understood that silica gel, plastics, stainless steel or other elastic materials are also able to achieve the function of rubber,
Rubber could alternatively be silica gel, plastics, stainless steel or other materials etc., and details are not described herein again.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of shaft buffer unit characterized by comprising
Shell offers limit hole；
Elastic component is placed in the limit hole, and engages with the shell；And
Shaft, one end pass through the elastic component, and the other end stretches out the limit hole, and the shaft being capable of the relatively described shell rotation
Turn, the elastic component described in the shaft rotary course can squeeze the shaft, to change the rotary resistance of the shaft.
2. shaft buffer unit according to claim 1, which is characterized in that further include upper cover, the upper cover offers logical
Hole, and it can be sheathed on the shaft, so that the shaft stretches out the through-hole.
3. shaft buffer unit according to claim 2, which is characterized in that the upper cover includes first segment and second segment,
The first segment and the second segment are integrally formed, and the flush with outer surface of the outer surface of the first segment and the shell is described
Second segment is arranged in the limit hole, and with the cage connection.
4. shaft buffer unit according to claim 3, which is characterized in that the maximum width of the cross section of the first segment
Greater than the maximum width of the cross section of the second segment.
5. shaft buffer unit according to claim 2, which is characterized in that the through-hole includes linkage section and section of stretching out,
The linkage section is communicated with the section of stretching out, and the maximum width of the cross section of the linkage section is greater than the cross section of the section of stretching out
Maximum width.
6. shaft buffer unit according to claim 5, which is characterized in that the shaft includes leading portion and back segment, described
Leading portion is connected with the back segment, and the leading portion is arranged in the linkage section and the elastic component, and the back segment is arranged in described
Section of stretching out.
7. shaft buffer unit according to claim 6, which is characterized in that the cross section of the leading portion is in kidney-shaped, and institute
State the cross section of leading portion maximum width be greater than the back segment cross section maximum width.
8. shaft buffer unit according to claim 2, which is characterized in that the limit hole includes thread segment, engaging section
With rotation section, the thread segment, the engaging section and the rotation section are communicated, and the part-structure of the upper cover is placed in described
In thread segment, the elastic component is sticked in the engaging section, and one end of the shaft is protruded into the rotation section and can be
It is rotated in the rotation section relative to the shell.
9. shaft buffer unit according to claim 8, which is characterized in that the maximum width of the cross section of the engaging section
Greater than the maximum width of the cross section of the rotation section.
10. shaft buffer unit according to claim 1, which is characterized in that the material of the elastic component is rubber, silicon
Glue, plastics or stainless steel, and the quantity of the elastic component is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654557.7U CN209228941U (en) | 2018-10-11 | 2018-10-11 | Shaft buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654557.7U CN209228941U (en) | 2018-10-11 | 2018-10-11 | Shaft buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228941U true CN209228941U (en) | 2019-08-09 |
Family
ID=67499901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821654557.7U Active CN209228941U (en) | 2018-10-11 | 2018-10-11 | Shaft buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848316A (en) * | 2019-11-22 | 2020-02-28 | 山西尚风科技股份有限公司 | Damping shock absorber |
-
2018
- 2018-10-11 CN CN201821654557.7U patent/CN209228941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848316A (en) * | 2019-11-22 | 2020-02-28 | 山西尚风科技股份有限公司 | Damping shock absorber |
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