CN215762710U - Anti-loosening structure of damper adjusting nut - Google Patents
Anti-loosening structure of damper adjusting nut Download PDFInfo
- Publication number
- CN215762710U CN215762710U CN202023139537.6U CN202023139537U CN215762710U CN 215762710 U CN215762710 U CN 215762710U CN 202023139537 U CN202023139537 U CN 202023139537U CN 215762710 U CN215762710 U CN 215762710U
- Authority
- CN
- China
- Prior art keywords
- half angle
- adjusting nut
- cavity
- chamber
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses an anti-loose structure of a damper adjusting nut, which comprises: the shell and the rotating shaft are matched with the shell to divide the inner cavity into a first cavity and a second cavity; a regulating passage communicating the first chamber and the second chamber; the adjusting nut is arranged on the shell or the rotating shaft and is in threaded fit with the shell or the rotating shaft, so that the oil passing sectional area of the adjusting channel is adjusted; wherein, the screw tooth of adjusting nut has process profile of tooth half angle and return stroke profile of tooth half angle, process profile of tooth half angle is the profile of tooth half angle that forms between the inclined plane of screw tooth orientation installation direction one side and the installation direction looks vertically face, return stroke profile of tooth half angle is the profile of tooth half angle that forms between the inclined plane of screw tooth orientation dismantlement direction one side and the installation direction looks vertically face, and process profile of tooth half angle is greater than return stroke profile of tooth half angle, and then make adjusting nut at the resistance that precession in-process received along the installation direction less, thereby light precession, when precession, the resistance that receives along the dismantlement direction is great, and then realize preventing not hard up effect.
Description
Technical Field
The utility model relates to an anti-loosening structure of a damper adjusting nut.
Background
The existing damper usually has an adjustable structure, the oil passing speed of an adjusting channel is adjusted by arranging an adjusting nut, and the damper is mature in technology, stable and reliable. However, in actual production and use, if the fit size of the adjusting nut is not well controlled, the situation that the function is lost due to looseness is prone to occurring.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides an anti-loosening structure of a damper adjusting nut.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a looseness prevention structure of a damper adjustment nut, comprising:
a housing having an inner cavity filled with damping oil;
the rotating shaft is in relative rotating fit with the shell and is matched with the shell to divide the inner cavity into a first cavity and a second cavity;
a regulating passage communicating the first chamber and the second chamber;
the adjusting nut is arranged on the shell or the rotating shaft and is in threaded fit with the shell or the rotating shaft, so that the oil passing sectional area of the adjusting channel is adjusted;
wherein, adjusting nut's screw tooth has process profile half angle and return stroke profile half angle, process profile half angle does the profile half angle that forms between the inclined plane of screw tooth orientation installation direction one side and the installation direction looks vertically face, return stroke profile half angle does the profile half angle that forms between the inclined plane of screw tooth orientation dismantlement direction one side and the installation direction looks vertically face, and process profile half angle is greater than return stroke profile half angle.
Preferably, the rotating shaft extends into the inner cavity from the first end of the shell, and the adjusting nut is movably arranged at the second end of the shell.
Preferably, the second end of the shell is provided with an adjusting cavity, the adjusting cavity is respectively communicated with the first cavity and the second cavity, the adjusting nut is movably arranged in the adjusting cavity, and the inner wall of the adjusting cavity is provided with threads matched with the threads of the adjusting nut.
Preferably, a gap between the adjusting nut and the bottom of the adjusting cavity forms the adjusting channel.
Preferably, the adjusting cavity and the inner cavity are arranged along the axial direction of the shell, an opening is formed in one side, far away from the inner cavity, of the adjusting cavity, and the adjusting nut is arranged in the adjusting cavity through the opening.
Preferably, the thread of the adjusting nut is serrated.
Preferably, the half angle of the progressive profile is 30 ° and the half angle of the return profile is 3 °.
Preferably, the rotating shaft comprises a blade rotatably arranged in the inner cavity, when the rotating shaft rotates, the inner cavity is radially divided into the first cavity and the second cavity by the blade, or a piston in transmission fit with the rotating shaft is arranged in the inner cavity, and when the rotating shaft rotates, the piston is driven to axially move along the inner cavity, so that the inner cavity is axially divided into the first cavity and the second cavity.
Preferably, the first chamber is a high-pressure oil chamber, the second chamber is a low-pressure oil chamber, and the high-pressure oil chamber and the low-pressure oil chamber are communicated through a communication channel.
The utility model has the beneficial effects that:
the utility model relates to a locking structure of a damper adjusting nut, which comprises: the shell and the rotating shaft are matched with the shell to divide the inner cavity into a first cavity and a second cavity; a regulating passage communicating the first chamber and the second chamber; the adjusting nut is arranged on the shell or the rotating shaft and is in threaded fit with the shell or the rotating shaft, so that the oil passing sectional area of the adjusting channel is adjusted; wherein, the screw tooth of adjusting nut has half angle of process profile and half angle of return stroke profile, half angle of process profile is the half angle of profile that forms between the inclined plane of screw tooth orientation installation direction one side and the installation direction looks vertically face, half angle of return stroke profile is the half angle of profile that forms between the inclined plane of screw tooth orientation dismantlement direction one side and the installation direction looks vertically face, and half angle of process profile is greater than half angle of return stroke profile, this scheme is greater than half angle of return stroke profile through making half angle of process profile, and then make adjusting nut at the resistance that precession in-process received along the installation direction less, thereby light precession, during the precession, the resistance that receives along the dismantlement direction is great, and then realize preventing not hard up effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a perspective view of a locking structure of a damper adjustment nut of the present invention;
FIG. 2 is a cross-sectional view of a looseness prevention structure of a damper adjustment nut of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an exploded view of a looseness prevention structure of a damper adjustment nut of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 4, an anti-loose structure of a damper adjusting nut 30 provided in a toilet lid for providing a damping force to a rotation of the toilet lid, includes:
a housing 10 having an inner cavity 11 filled with damping oil;
the rotating shaft 20 is in relative rotating fit with the shell 10 and is matched with the shell 10 to divide the inner cavity 11 into a first chamber and a second chamber;
a regulating passage 12 communicating the first chamber and the second chamber;
the adjusting nut 30 is arranged on the shell 10 or the rotating shaft 20 and is in threaded fit with the shell 10 or the rotating shaft 20, so that the oil passing sectional area of the adjusting channel 12 is adjusted;
the thread of the adjusting nut 30 has a process thread half angle α and a return thread half angle β, the process thread half angle α is a thread half angle formed between an inclined surface of the thread on one side of the mounting direction and a surface perpendicular to the mounting direction, the return thread half angle β is a thread half angle formed between an inclined surface of the thread on one side of the dismounting direction and a surface perpendicular to the mounting direction, and the process thread half angle α is greater than the return thread half angle β.
In this embodiment, the first chamber is a high-pressure oil chamber, the second chamber is a low-pressure oil chamber, and the high-pressure oil chamber and the low-pressure oil chamber are communicated through a communication passage.
In this embodiment, the rotating shaft 20 extends into the inner cavity 11 from the first end of the housing 10, and the adjusting nut 30 is movably disposed at the second end of the housing 10.
In this embodiment, the second end of the housing 10 is provided with an adjusting cavity 13, the adjusting cavity 13 is respectively communicated with the first cavity and the second cavity, the adjusting nut 30 is movably disposed in the adjusting cavity 13, and the inner wall of the adjusting cavity 13 is provided with threads matched with the threads of the adjusting nut 30.
In this embodiment, the gap between the adjusting nut 30 and the bottom of the adjusting chamber 13 forms the adjusting channel 12.
In this embodiment, the adjusting cavity 13 and the inner cavity 11 are axially arranged along the housing 10, an opening is formed in one side of the adjusting cavity 13, which is far away from the inner cavity 11, and the adjusting nut 30 is installed in the adjusting cavity 13 through the opening.
In this embodiment, the thread of the adjusting nut 30 is zigzag.
In this embodiment, the half angle α of the progressive profile is 30 °, and the half angle β of the return profile is 3 °.
In this embodiment, the rotating shaft 20 includes a blade 21 rotatably disposed in the inner cavity 11, and when the rotating shaft 20 rotates, the inner cavity 11 is radially divided into the first chamber and the second chamber by the blade 21;
in other embodiments, a piston in transmission fit with the rotating shaft 20 is disposed in the inner cavity 11, and when the rotating shaft 20 rotates, the piston is driven to move along the axial direction of the inner cavity 11, so as to divide the inner cavity 11 into the first chamber and the second chamber along the axial direction.
When the adjusting nut 30 is screwed in towards the installation direction, as the process tooth form half angle alpha is larger than the return tooth form half angle beta, the resolving power of the adjusting nut 30 in the direction vertical to the installation direction is relatively large, and the resistance of the adjusting nut 30 in the installation direction in the screwing process is relatively small, so that the screwing operation is more labor-saving;
when the adjusting nut 30 is screwed out in the disassembling direction, because the process tooth half angle α is larger than the return tooth half angle β, the resolving power of the adjusting nut 30 in the direction perpendicular to the installing direction is relatively small, and the resistance of the adjusting nut 30 in the screwing-out process along the installing direction is relatively large, so that the screwing-in operation is more laborious, and the anti-loosening effect is realized.
This scheme is greater than return stroke profile half angle beta through making progress profile half angle alpha, and then makes adjusting nut 30 less at the resistance that precession in-process received along the installation direction to light precession, when unscrewing, the resistance that receives along the dismantlement direction is great, and then realizes preventing not hard up effect.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a locking structure of attenuator adjusting nut which characterized in that: the method comprises the following steps:
a housing having an inner cavity filled with damping oil;
the rotating shaft is in relative rotating fit with the shell and is matched with the shell to divide the inner cavity into a first cavity and a second cavity;
a regulating passage communicating the first chamber and the second chamber;
the adjusting nut is arranged on the shell or the rotating shaft and is in threaded fit with the shell or the rotating shaft, so that the oil passing sectional area of the adjusting channel is adjusted;
wherein, adjusting nut's screw tooth has process profile half angle and return stroke profile half angle, process profile half angle does the profile half angle that forms between the inclined plane of screw tooth orientation installation direction one side and the installation direction looks vertically face, return stroke profile half angle does the profile half angle that forms between the inclined plane of screw tooth orientation dismantlement direction one side and the installation direction looks vertically face, and process profile half angle is greater than return stroke profile half angle.
2. The anti-loosening structure for the adjusting nut of the damper as claimed in claim 1, wherein the rotating shaft extends into the inner cavity from the first end of the housing, and the adjusting nut is movably disposed at the second end of the housing.
3. The anti-loose structure of the damper adjusting nut as claimed in claim 2, wherein the second end of the housing is provided with an adjusting cavity, the adjusting cavity is respectively communicated with the first chamber and the second chamber, the adjusting nut is movably arranged in the adjusting cavity, and the inner wall of the adjusting cavity is provided with threads matched with the threads of the adjusting nut.
4. The looseness-prevention structure of an adjustment nut for a damper according to claim 3, wherein a gap between said adjustment nut and a bottom of said adjustment cavity forms said adjustment passage.
5. The anti-loose structure of the damper adjusting nut as claimed in claim 3, wherein the adjusting cavity and the inner cavity are arranged along an axial direction of the housing, an opening is formed on a side of the adjusting cavity away from the inner cavity, and the adjusting nut is loaded into the adjusting cavity through the opening.
6. The anti-loose structure of the damper adjusting nut as claimed in any one of claims 1 to 5, wherein the thread of the adjusting nut is serrated.
7. The looseness prevention structure of a damper adjustment nut according to any one of claims 1 to 5, wherein said progressive half angle is 30 ° and said return half angle is 3 °.
8. The anti-loose structure of the damper adjusting nut as claimed in claim 1, wherein the rotating shaft includes a blade rotatably disposed in the inner cavity, and the rotating shaft is rotated to divide the inner cavity into the first chamber and the second chamber along a radial direction by the blade, or a piston drivingly engaged with the rotating shaft is disposed in the inner cavity, and the rotating shaft rotates to drive the piston to move along an axial direction of the inner cavity, thereby dividing the inner cavity into the first chamber and the second chamber along the axial direction.
9. The anti-loosening structure of the damper adjusting nut as claimed in claim 1, wherein the first chamber is a high-pressure oil chamber, the second chamber is a low-pressure oil chamber, and further comprising a communication passage communicating the high-pressure oil chamber and the low-pressure oil chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023139537.6U CN215762710U (en) | 2020-12-23 | 2020-12-23 | Anti-loosening structure of damper adjusting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023139537.6U CN215762710U (en) | 2020-12-23 | 2020-12-23 | Anti-loosening structure of damper adjusting nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762710U true CN215762710U (en) | 2022-02-08 |
Family
ID=80070550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023139537.6U Active CN215762710U (en) | 2020-12-23 | 2020-12-23 | Anti-loosening structure of damper adjusting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762710U (en) |
-
2020
- 2020-12-23 CN CN202023139537.6U patent/CN215762710U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215762710U (en) | Anti-loosening structure of damper adjusting nut | |
| CN2839503Y (en) | Adjustable axially door hinge | |
| CN206458704U (en) | Stop nut | |
| CN215859654U (en) | Anti-loosening adjustable damping mechanism | |
| CN106763086A (en) | Stop nut | |
| CN219492926U (en) | Adjustment mechanism and attenuator | |
| CN220927322U (en) | Locking device for flywheel main shaft of steel cord stranding machine | |
| CN205559751U (en) | Arm worm adjusting device | |
| CN203322013U (en) | Special shaft end nut with locking function | |
| CN217266465U (en) | Adjustable bottom foot assembly and washing machine | |
| CN216895514U (en) | Anti-loosening structure of adjustable damper | |
| CN202468321U (en) | Expansion sleeve for double-rotor pump | |
| CN112922851B (en) | Submersible pump | |
| CN206600340U (en) | Adjusting nut locking structure | |
| CN112922852A (en) | Submersible pump | |
| CN209892443U (en) | Energy-saving variable speed pump | |
| CN205779561U (en) | A kind of adjustable low-voltage starts air compressor | |
| CN220415973U (en) | Combined locknut with axial automatic compression adjusting function | |
| CN206377125U (en) | A kind of chocking construction for being used to be threadedly coupled | |
| CN215333935U (en) | Anti-loosening adjustable descent control device | |
| CN205765607U (en) | Grinding machine emery wheel locking device | |
| CN105650259A (en) | Arm worm adjusting device | |
| CN218953763U (en) | Locking bolt | |
| CN216241325U (en) | Water pump capable of adjusting impeller clearance | |
| CN110307205A (en) | Hydraulic cylinder piston anti-loose structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |