CN214171230U - One-way full-circle rotation damper - Google Patents
One-way full-circle rotation damper Download PDFInfo
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- CN214171230U CN214171230U CN202120080964.7U CN202120080964U CN214171230U CN 214171230 U CN214171230 U CN 214171230U CN 202120080964 U CN202120080964 U CN 202120080964U CN 214171230 U CN214171230 U CN 214171230U
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Abstract
The utility model discloses an one-way complete revolution damper, which comprises a base, install in the cavity of base and pivoted bearing housing, install the one-way bearing in this bearing housing and be fixed in the stainless steel pivot in this one-way bearing and install in the base upper end and encapsulate the upper cover in the base with bearing housing and one-way bearing, this stainless steel pivot upper end is passed this upper cover in order to stretch out outside this base, and the gear is installed to this one-way bearing upper end, and the peripheral shaping of this bearing housing has a plurality of protruding tooth portions, be formed with the oily clearance between the cavity inner wall of this protruding tooth portion lateral surface and base, and it has damping oil to fill between the cavity of this bearing housing periphery and base. The utility model adds the one-way bearing, which can effectively reduce the reverse damping when opening the cover, so that the cover can be opened more easily with less labor and smoother experience; still can make the utility model discloses the structure concentration degree is high, does not have reverse damping force, and direct rate 95%, and still can strengthen the utility model discloses structural reliability can effectively improve life.
Description
The technical field is as follows:
the utility model relates to a damper product technical field refers in particular to an one-way full-circle rotary damper.
Background art:
a damper is a device that provides resistance to motion, dissipating the energy of motion, and absorbs energy and shock by damping. At present, when the damper is used, a rotating shaft is hinged to an object needing to provide resistance, and the object is provided with resistance by utilizing the hydraulic pressure difference effect of damping oil through the matching structure of the shell, the rotating shaft and other parts, so that the damping and buffering effects are achieved.
However, the forward damping force and the reverse damping force of the damper in the prior art are the same, and the damper is arranged on the cover when in use, so that the cover is very laborious to open, and the operation is not convenient enough; moreover, the resistance value is unstable and has poor concentration ratio, and the first pass rate is not high; in addition, there are dampers in the market that adopt clutches and spring clutches to reduce the damping force of one direction of rotation, but the clutches and spring clutches are not good in reliability and easy to fail.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide an one-way full circle rotary damper.
In order to solve the technical problem, the utility model discloses a following technical scheme: the one-way full-circle rotation damper comprises a base, a bearing sleeve, a one-way bearing, a stainless steel rotating shaft and an upper cover, wherein the bearing sleeve is installed in a cavity of the base and rotates, the one-way bearing is installed in the bearing sleeve, the stainless steel rotating shaft is fixed in the one-way bearing, the upper cover is installed at the upper end of the base and encapsulates the bearing sleeve and the one-way bearing in the base, the upper end of the stainless steel rotating shaft penetrates through the upper cover to stretch out of the base, a gear is installed at the upper end of the one-way bearing, a plurality of convex tooth parts are formed on the periphery of the bearing sleeve, an oil passing gap is formed between the outer side faces of the convex tooth parts and the inner wall of the cavity of the base, and damping oil is filled between the periphery of the bearing sleeve and the cavity of the base.
Furthermore, in the above technical solution, a blocking edge is formed on the periphery of the middle portion of the stainless steel rotating shaft, the blocking edge is attached to the upper end surface of the one-way bearing, a sealing ring is sleeved on the periphery of the blocking edge, and an annular groove formed at the lower end of the upper cover is sleeved on the periphery of the sealing ring and the blocking edge.
Further, in the above technical solution, the outer surface of the convex tooth portion is provided with an arc surface.
Further, in the above technical solution, the base has a protruding shaft formed at the bottom of the cavity; the lower end face of the bearing sleeve is provided with a shaft groove, and the protruding shaft is embedded into the shaft groove.
Furthermore, in the above technical solution, a first step groove is formed on the periphery of the upper end of the bearing sleeve, a second step groove is formed on the inner edge of the opening of the upper end of the base, the upper cover is fixed in the second step groove in a snap-fit manner, and a convex ring formed on the outer edge of the lower end of the upper cover is disposed in the first step groove.
Furthermore, in the above technical solution, a first lug and a second lug are respectively formed on two sides of the base, and a first mounting hole and a second mounting hole are respectively formed on the first lug and the second lug.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model adds the one-way bearing, and the bearing sleeve is sleeved on the periphery, the stainless steel rotating shaft is fixed in the one-way bearing in a penetrating way, because the one-way bearing can only rotate in one direction, namely one direction can rotate freely to be the non-damping force direction, and the other direction is the locking state to be the damping force direction; the utility model discloses during operation, the gear drives the stainless steel pivot to rotate during the rotation, and when the direction of stainless steel pivot rotation is the rotatable direction of one-way bearing, at this moment, this stainless steel pivot can rotate without damping force, can effectively alleviate the reverse damping (reverse damping force is 0) when uncapping, make the laborsaving lighter that uncaps, experience sense more smooth and easy; when the rotation direction of the stainless steel rotating shaft is the non-rotation direction of the one-way bearing, at the moment, the one-way bearing is in a locking state, the stainless steel rotating shaft drives the one-way bearing and the bearing sleeve to rotate simultaneously, and the damping oil is filled between the periphery of the bearing sleeve and the cavity of the base, so that the bearing sleeve extrudes the damping oil when rotating, damping force is generated, the stainless steel rotating shaft rotates slowly, and the aim of slowly closing the cover is fulfilled. Furthermore, increased one-way bearing, made the utility model discloses the structure concentration degree is high, does not have reverse damping force, and direct rate 95%, and still can strengthen the utility model discloses structural reliability can effectively improve life.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an exploded perspective view of the present invention;
FIG. 4 is an internal structural view of the present invention;
fig. 5 is a perspective view of the upper cover of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Referring to fig. 1-5, a unidirectional full-circle rotation damper includes a base 1, a bearing housing 2 installed in a cavity 10 of the base 1 and rotating, a unidirectional bearing 3 installed in the bearing housing 2, a stainless steel shaft 4 fixed in the unidirectional bearing 3, and an upper cover 5 installed at the upper end of the base 1 and enclosing the bearing housing 2 and the unidirectional bearing 3 in the base 1, wherein the upper end of the stainless steel shaft 4 passes through the upper cover 5 to extend out of the base 1, a gear 6 is installed at the upper end of the unidirectional bearing 3, a plurality of protruding tooth portions 20 are formed on the periphery of the bearing housing 2, an oil gap is formed between the outer side surfaces of the protruding tooth portions 20 and the inner wall of the cavity 10 of the base 1, and damping oil is filled between the periphery of the bearing housing 2 and the cavity 10 of the base 1. The utility model adds the one-way bearing 3, and the bearing sleeve 2 is sleeved on the periphery, the stainless steel rotating shaft 4 is fixed in the one-way bearing 3 in a penetrating way, because the one-way bearing can only rotate in one direction, namely one direction can rotate freely to be a direction without damping force, and the other direction is a direction with damping force in a locking state; the utility model discloses during operation, gear 6 drives stainless steel pivot 4 to rotate when rotating, and when the direction that stainless steel pivot 4 rotated is the rotatable direction of one-way bearing, at this moment, this stainless steel pivot 4 can rotate without damping force, can effectively alleviate the reverse damping (reverse damping force is 0) when uncapping, make the laborsaving lighter that uncaps, experience sense more smooth and easy; when the rotation direction of the stainless steel rotating shaft 4 is the non-rotation direction of the one-way bearing, at this time, the one-way bearing is in a locked state, the stainless steel rotating shaft 4 drives the one-way bearing and the bearing sleeve 2 to rotate simultaneously, and the damping oil is filled between the periphery of the bearing sleeve 2 and the cavity 10 of the base 1, so that the bearing sleeve 2 extrudes the damping oil when rotating, and accordingly damping force is generated, the stainless steel rotating shaft 4 rotates slowly, and the purpose of slowly closing the cover is achieved. Furthermore, increased one-way bearing 3, made the utility model discloses the structure concentration degree is high, does not have reverse damping force, and direct rate 95%, and still can strengthen the utility model discloses structural reliability can effectively improve life.
A blocking edge 41 is formed on the periphery of the middle part of the stainless steel rotating shaft 4, the blocking edge 41 is attached to the upper end face of the one-way bearing 3, the assembling stability is improved, and the blocking edge 41 can block the shaft hole 50 of the upper cover 5, so that the sealing performance can be improved; the periphery of this flange 41 sets up the cover and is equipped with sealing washer 7, and the fashioned ring channel 51 cover of this upper cover 5 lower extreme is peripheral at this sealing washer 7 and flange 41 to this further improves the utility model discloses a sealing performance.
The upper end of the stainless steel rotating shaft 4 passes through the shaft hole 50 of the upper cover 5 and extends out of the upper cover 5.
The outer surface of the convex tooth part 20 is provided with a circular arc surface.
The base 1 is provided with a convex shaft 11 formed at the bottom of a cavity 10; the lower end face of the bearing sleeve 2 is provided with a shaft groove 21, and the protruding shaft 11 is embedded into the shaft groove 21, so that the bearing sleeve 2 is stably installed in the base 1 and can stably rotate in the base 1.
The periphery of the upper end of the bearing sleeve 2 is formed with a first step groove 22, the inner edge of the opening of the upper end of the base 1 is formed with a second step groove 14, the upper cover 5 is fixed in the second step groove 14 in a clamping manner, and a convex ring 52 formed on the outer edge of the lower end of the upper cover 5 is arranged in the first step groove 22 and can play a role in guiding.
A first lug 12 and a second lug 13 are respectively formed on two sides of the base 1, and a first mounting hole 121 and a second mounting hole 131 are respectively formed on the first lug 12 and the second lug 13.
To sum up, the utility model adds the one-way bearing 3, and the bearing sleeve 2 is sleeved on the periphery, the stainless steel rotating shaft 4 is fixed in the one-way bearing 3 in a penetrating way, because the one-way bearing can only rotate in one direction, namely one direction can rotate freely as the direction without damping force, and the other direction is in a locking state as the direction with damping force; the utility model discloses during operation, gear 6 drives stainless steel pivot 4 to rotate when rotating, and when the direction that stainless steel pivot 4 rotated is the rotatable direction of one-way bearing, at this moment, this stainless steel pivot 4 can rotate without damping force, can effectively alleviate the reverse damping (reverse damping force is 0) when uncapping, make the laborsaving lighter that uncaps, experience sense more smooth and easy; when the rotation direction of the stainless steel rotating shaft 4 is the non-rotation direction of the one-way bearing, at this time, the one-way bearing is in a locked state, the stainless steel rotating shaft 4 drives the one-way bearing and the bearing sleeve 2 to rotate simultaneously, and the damping oil is filled between the periphery of the bearing sleeve 2 and the cavity 10 of the base 1, so that the bearing sleeve 2 extrudes the damping oil when rotating, and accordingly damping force is generated, the stainless steel rotating shaft 4 rotates slowly, and the purpose of slowly closing the cover is achieved. Furthermore, increased one-way bearing 3, made the utility model discloses the structure concentration degree is high, does not have reverse damping force, and direct rate 95%, and still can strengthen the utility model discloses structural reliability can effectively improve life.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. A unidirectional full-circle rotation damper is characterized in that: which comprises a base (1), a bearing sleeve (2) which is arranged in a cavity (10) of the base (1) and rotates, a one-way bearing (3) which is arranged in the bearing sleeve (2), a stainless steel rotating shaft (4) which is fixed in the one-way bearing (3), and an upper cover (5) which is arranged at the upper end of the base (1) and seals the bearing sleeve (2) and the one-way bearing (3) in the base (1), the upper end of the stainless steel rotating shaft (4) passes through the upper cover (5) to extend out of the base (1), the upper end of the one-way bearing (3) is provided with a gear (6), the periphery of the bearing sleeve (2) is provided with a plurality of convex tooth parts (20), an oil passing gap is formed between the outer side surface of the convex tooth part (20) and the inner wall of the cavity (10) of the base (1), and damping oil is filled between the periphery of the bearing sleeve (2) and the cavity (10) of the base (1).
2. A unidirectional full rotation damper as claimed in claim 1, wherein: a blocking edge (41) is formed on the periphery of the middle of the stainless steel rotating shaft (4), the blocking edge (41) is attached to the upper end face of the one-way bearing (3), a sealing ring (7) is sleeved on the periphery of the blocking edge (41), and an annular groove (51) formed in the lower end of the upper cover (5) is sleeved on the periphery of the sealing ring (7) and the blocking edge (41).
3. A unidirectional full rotation damper as claimed in claim 1, wherein: the outer surface of the convex tooth part (20) is provided with a circular arc surface.
4. A unidirectional full rotation damper as claimed in any one of claims 1 to 3 wherein: the base (1) is provided with a convex shaft (11) formed at the bottom of a cavity (10); the lower end face of the bearing sleeve (2) is provided with a shaft groove (21), and the protruding shaft (11) is embedded into the shaft groove (21).
5. A unidirectional full rotation damper as claimed in claim 4, wherein: the bearing sleeve (2) is provided with a first stepped groove (22) at the upper end periphery, a second stepped groove (14) is formed at the inner edge of an opening at the upper end of the base (1), the upper cover (5) is fixed in the second stepped groove (14) in a clamping and embedding manner, and a convex ring (52) formed at the lower end outer edge of the upper cover (5) is arranged in the first stepped groove (22).
6. A unidirectional full rotation damper as claimed in claim 4, wherein: a first lug (12) and a second lug (13) are respectively formed on two sides of the base (1), and a first mounting hole (121) and a second mounting hole (131) are respectively formed in the first lug (12) and the second lug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080964.7U CN214171230U (en) | 2021-01-12 | 2021-01-12 | One-way full-circle rotation damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080964.7U CN214171230U (en) | 2021-01-12 | 2021-01-12 | One-way full-circle rotation damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214171230U true CN214171230U (en) | 2021-09-10 |
Family
ID=77592708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120080964.7U Active CN214171230U (en) | 2021-01-12 | 2021-01-12 | One-way full-circle rotation damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214171230U (en) |
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2021
- 2021-01-12 CN CN202120080964.7U patent/CN214171230U/en active Active
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