CN213685106U - Damping shaft - Google Patents
Damping shaft Download PDFInfo
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- CN213685106U CN213685106U CN202022465009.3U CN202022465009U CN213685106U CN 213685106 U CN213685106 U CN 213685106U CN 202022465009 U CN202022465009 U CN 202022465009U CN 213685106 U CN213685106 U CN 213685106U
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- arc
- shaft body
- shaft
- shaped elastic
- middle cylindrical
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Abstract
The utility model discloses a damping shaft, wherein a shaft sleeve is a cylindrical shell with an opening at one end, and a limit hole is arranged on the closed end surface of the cylindrical shell; the shaft body comprises a middle cylindrical shaft body and N arc-shaped elastic sheets; the N arc-shaped elastic sheets are uniformly arranged on the periphery of the middle cylindrical shaft body along the circumferential direction; one circumferential end of each arc-shaped elastic sheet is fixedly connected to the middle cylindrical shaft body, and a gap is reserved between the other end of each arc-shaped elastic sheet and the periphery of the middle cylindrical shaft body; a cylindrical limit pin is formed in the center of one axial end of the middle cylindrical shaft body; the shaft body is coaxially arranged in the shaft sleeve, the limiting pin at one axial end of the middle cylindrical shaft body is inserted into the limiting hole in the closed end face of the shaft sleeve, the arc-shaped elastic sheet deforms and generates friction with the inner side wall of the shaft sleeve, and the damping effect is achieved by means of friction force. The utility model discloses a damping axle, two-way all have the damping, simple structure, easy manufacturing receives the temperature influence little, long service life, and later maintenance is with low costs.
Description
Technical Field
The utility model relates to a mechanical parts, in particular to damping axle.
Background
The damping shafts which are common at present mainly have the following types:
rubber damping type
The principle that the friction coefficient of rubber is larger is utilized to realize the damping effect, and the following defects exist when the damping device is used:
(1) the service life is short. Because the wear resistance of rubber is relatively poor, the damping structure utilizing the rubber friction mode often has the condition that the damping effect is lost after being used for a period of time, and the stability of the function and the action of the damping structure are seriously influenced.
(2) The production cycle is long and not environment-friendly. The production process of the rubber is complex, and the production period is long; more additives are required to be added in the production process, more pollutants are generated, and the environment is not protected.
(3) Is greatly affected by temperature. Rubber generally hardens obviously at low temperature, so that the friction force between parts changes, and the damping effect is influenced.
Grease damping type
The damping effect is achieved by the resistance generated by the viscosity of the grease. The following disadvantages exist in the use:
(1) is greatly affected by temperature. Because the viscosity of the grease has great temperature influence, the damping effect has great strength at low temperature, and the damping strength is small or even ineffective at high temperature.
(2) Long-term maintenance is required. Because the grease has a shelf life, the grease needs to be replaced after being used for a period of time to ensure the damping function, and the subsequent maintenance is troublesome.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a damping axle, two-way all has the damping, simple structure, easy manufacturing receives the temperature influence little, long service life, and later maintenance is with low costs.
In order to solve the technical problem, the damping shaft provided by the utility model comprises a shaft sleeve 1 and a shaft body 2;
the shaft sleeve 1 is a cylindrical shell with an opening at one end, and a limit hole 11 is formed in the closed end face of the cylindrical shell;
the shaft body 2 comprises a middle cylindrical shaft body 20 and N arc-shaped elastic sheets 21, wherein N is an integer greater than 1;
the N arc-shaped elastic sheets 21 are uniformly arranged on the periphery of the middle cylindrical shaft body 20 along the circumferential direction;
one circumferential end of each arc-shaped elastic sheet 21 is fixedly connected to the middle cylindrical shaft body 20, and a gap is reserved from the other end of each arc-shaped elastic sheet to the periphery of the middle cylindrical shaft body 20;
a cylindrical limit pin 22 is formed at the center of one axial end of the middle cylindrical shaft body 20;
the shaft body 2 is coaxially arranged in the shaft sleeve 1, the limit pin 22 at one axial end of the middle cylindrical shaft body 20 is inserted into the limit hole 11 on the closed end face of the shaft sleeve 1, the arc-shaped elastic sheet 21 is deformed to generate friction with the inner side wall of the shaft sleeve 1, and the damping effect is realized by means of friction force.
Preferably, N is 2, 3, 4 or 5.
Preferably, the arc-shaped elastic sheet 21 is made of plastic.
Preferably, the arc-shaped elastic sheet 21 is made of a copper sheet or a steel sheet.
Preferably, the shaft body 2 is integrally formed by plastic.
Preferably, the shaft body 2 is made of metal.
Preferably, the shaft sleeve 1 is made of plastic.
Preferably, the shaft sleeve 1 is made of metal.
Preferably, the first and second liquid crystal display panels are,
s is the circumferential arc length of the arc-shaped spring plate 21, and d is the gap from the other end of the arc-shaped spring plate 21 to the periphery of the middle cylindrical shaft body 20.
Preferably, S is 2.5 cm-3 cm, and d is more than 1mm and less than 9 mm.
The utility model discloses a damping axle, 2 coaxial packing into axle sleeve 1 of axis body, the spacer pin 22 of 20 axial one ends of middle cylindricality axis body inserts in the spacing hole 11 spacing holes on the 1 closed end face of axle sleeve to arc shell fragment 21 takes place deformation and produces the friction with 1 inside wall of axle sleeve, relies on the frictional force to realize damping effect. This damping axle, axis body 2 can positive reverse rotation in axle sleeve 1, and two-way all has the damping, and its simple structure easily produces the manufacturing, and it is little influenced by the temperature, long service life, later maintenance is with low costs.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a closed side of a shaft sleeve according to an embodiment of the present invention;
fig. 2 is a structural view of the opening side of the shaft sleeve of an embodiment of the damping shaft of the present invention;
fig. 3 is a side view of an opening of a shaft sleeve of an embodiment of the damping shaft according to the present invention, wherein the shaft body is embedded in the shaft sleeve.
The reference numbers in the figures illustrate:
1, shaft sleeve; 11, limiting holes; 2, a shaft body; 20 a middle cylindrical shaft body; 21, arc-shaped elastic sheets; 22 stop pin.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and 2, the damping shaft includes a shaft sleeve 1 and a shaft body 2;
the shaft sleeve 1 is a cylindrical shell with an opening at one end, and a limit hole 11 is formed in the closed end face of the cylindrical shell;
the shaft body 2 comprises a middle cylindrical shaft body 20 and N arc-shaped elastic sheets 21, wherein N is an integer greater than 1;
the N arc-shaped elastic sheets 21 are uniformly arranged on the periphery of the middle cylindrical shaft body 20 along the circumferential direction;
one circumferential end of each arc-shaped elastic sheet 21 is fixedly connected to the middle cylindrical shaft body 20, and a gap is reserved from the other end of each arc-shaped elastic sheet to the periphery of the middle cylindrical shaft body 20;
a cylindrical limit pin 22 is formed at the center of one axial end of the middle cylindrical shaft body 20;
as shown in fig. 3, the shaft body 2 is coaxially installed in the shaft sleeve 1, the limit pin 22 at one axial end of the middle cylindrical shaft body 20 is inserted into the limit hole 11 on the closed end surface of the shaft sleeve 1, and the arc-shaped elastic sheet 21 deforms to generate friction with the inner side wall of the shaft sleeve 1, so that the damping effect is realized by means of friction force.
The damping axle of embodiment one, axis body 2 can forward and reverse rotation in axle sleeve 1, and two-way all has the damping, and its simple structure easily produces manufacturing, receives the temperature influence little, long service life, and the later maintenance is with low costs.
Example two
Based on the damping shaft of embodiment one, N is 2, 3, 4 or 5.
Preferably, the arc-shaped elastic sheet 21 is made of plastic.
Preferably, the arc-shaped elastic sheet 21 is made of a copper sheet or a steel sheet.
Preferably, the shaft body 2 is integrally formed by plastic.
Preferably, the shaft body 2 is made of metal.
Preferably, the shaft sleeve 1 is made of plastic.
Preferably, the shaft sleeve 1 is made of metal.
Preferably, the first and second liquid crystal display panels are,
s is the circumferential arc length of the arc-shaped spring plate 21, and d is the gap from the other end of the arc-shaped spring plate 21 to the periphery of the middle cylindrical shaft body 20.
Preferably, S is 2.5 cm-3 cm, and d is more than 1mm and less than 9 mm.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A damping shaft is characterized by comprising a shaft sleeve (1) and a shaft body (2);
the shaft sleeve (1) is a cylindrical shell with an opening at one end, and a limit hole (11) is formed in the closed end face of the cylindrical shell;
the shaft body (2) comprises a middle cylindrical shaft body (20) and N arc-shaped elastic sheets (21), wherein N is an integer larger than 1;
the N arc-shaped elastic sheets (21) are uniformly arranged on the periphery of the middle cylindrical shaft body (20) along the circumferential direction;
one circumferential end of each arc-shaped elastic sheet (21) is fixedly connected to the middle cylindrical shaft body (20), and a gap is reserved from the other end of each arc-shaped elastic sheet to the periphery of the middle cylindrical shaft body (20);
a cylindrical limit pin (22) is formed at the center of one axial end of the middle cylindrical shaft body (20);
the shaft body (2) is coaxially arranged in the shaft sleeve (1), the limiting pin (22) at one axial end of the middle cylindrical shaft body (20) is inserted into the limiting hole (11) on the closed end face of the shaft sleeve (1), the arc-shaped elastic sheet (21) deforms and generates friction with the inner side wall of the shaft sleeve (1), and the damping effect is achieved by means of friction force.
2. The damper shaft according to claim 1,
n is 2, 3, 4 or 5.
3. The damper shaft according to claim 1,
the arc-shaped elastic sheet (21) is made of plastic.
4. The damper shaft according to claim 1,
the arc-shaped elastic sheet (21) is made of a copper sheet or a steel sheet.
5. The damper shaft according to claim 1,
the shaft body (2) is integrally formed by plastic.
6. The damper shaft according to claim 1,
the shaft body (2) is made of metal.
7. The damper shaft according to claim 1,
the shaft sleeve (1) is made of plastics.
8. The damper shaft according to claim 1,
the shaft sleeve (1) is made of metal.
9. The damper shaft according to claim 1,
10. The damper shaft according to claim 9,
s is 2.5 cm-3 cm, d is more than 1mm and less than 9 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465009.3U CN213685106U (en) | 2020-10-30 | 2020-10-30 | Damping shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465009.3U CN213685106U (en) | 2020-10-30 | 2020-10-30 | Damping shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213685106U true CN213685106U (en) | 2021-07-13 |
Family
ID=76762770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022465009.3U Active CN213685106U (en) | 2020-10-30 | 2020-10-30 | Damping shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213685106U (en) |
-
2020
- 2020-10-30 CN CN202022465009.3U patent/CN213685106U/en active Active
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