CN203656022U - Automatic fine adjusting mechanism of adjustable damping type piston rod - Google Patents
Automatic fine adjusting mechanism of adjustable damping type piston rod Download PDFInfo
- Publication number
- CN203656022U CN203656022U CN201320733833.XU CN201320733833U CN203656022U CN 203656022 U CN203656022 U CN 203656022U CN 201320733833 U CN201320733833 U CN 201320733833U CN 203656022 U CN203656022 U CN 203656022U
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- China
- Prior art keywords
- piston rod
- adjusting bolt
- ramp
- adjusting
- automatic fine
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Abstract
The utility model belongs to the technical field of automobile damper spare and accessory parts, and particularly relates to an automatic fine adjusting mechanism of an adjustable damping type piston rod. An adjusting nut and an adjusting bolt are arranged in an inner cavity wrapped in the piston rod, the adjusting nut is screwed at the upper end of the piston rod, the inner end of the adjusting nut butts against the upper end of the adjusting bolt, a ramp is arranged on the inner wall face of the part, on the outer side of the middle of the adjusting bolt, of the piston rod, the ramp stretches outwards in a downward inclined mode, a radial hole is formed in the middle of the adjusting bolt, steel balls are arranged in an end opening of the radial hole, a reset spring is arranged in the radial hole, and the external end of the reset spring butts against the steel balls and enables the steel balls to butt against the wall face of the ramp. The wall face of the lower portion of the adjusting bolt is tightly attached to the wall face of the inner cavity of the piston rod and is sealed through liquid, and the lower end of the adjusting bolt butts against the adjusting rod. The automatic fine adjusting mechanism of the adjustable damping type piston rod enables a piston rod assembly to carry out fine adjustment in a self-adaptive mode when used.
Description
Technical field
The utility model belongs to automobile absorber Component technical field, refers in particular to a kind of Automatic Fine Tuning mechanism of adjustable damping formula piston rod.
Background technique
Automobile absorber, in the time of normal work, piston rod drives piston valve to move up and down in internal oil pipe, because the piston rod of general hydra-shock absorber does not all possess regulatory function, when it coordinates with other parts of vibration damper, can not carry out adaptive adjusting, when installation, can not adjust.
Summary of the invention
The purpose of this utility model is to provide one and is applicable to piston lever of reducer, achieves the Automatic Fine Tuning mechanism of the adjustable damping formula piston rod of Automatic Fine Tuning.
The purpose of this utility model is achieved in that
The Automatic Fine Tuning mechanism of adjustable damping formula piston rod, adjusting nut and adjusting bolt are installed in the inner chamber of piston rod, adjusting nut revolves the upper end that is located at piston rod, the inner of adjusting nut is against the upper end of described adjusting bolt, on the piston rod internal face in outside, described adjusting bolt middle part, be provided with ramp, the oblique lower abduction in described ramp, the middle part of adjusting bolt is provided with radial hole, radial hole port is provided with steel ball, in radial hole, be provided with return spring, the outer end of return spring is against on steel ball and steel ball is pushed against on the wall in described ramp; The wall of described adjusting bolt bottom is close to and liquid sealing mutually with piston rod cavity wall, and adjusting bolt lower end is against on adjustable lever.
Preferably, described ramp is: on described piston rod inwall, form more than one guide groove, the degree of depth of guide groove increases gradually, and the diapire of guide groove forms described ramp.
Preferably, described ramp can also be: the piston rod cavity in outside, described adjusting bolt middle part is conical cavity, and the bore of conical cavity increases from top to bottom gradually, and the inwall of conical cavity forms described ramp.
Preferably, described radial hole is radial direction through hole, and the two ends of radial direction through hole are provided with described steel ball.
Preferably, the upper end of described adjusting nut is provided with straight groove, and the middle part of adjusting nut is provided with round tube hole.
The utility model compared to existing technology outstanding and useful technique effect is:
The piston rod cavity in outside, adjusting bolt of the present utility model middle part is conical cavity, the bore of conical cavity increases from top to bottom gradually, the middle part of adjusting bolt is provided with radial direction through hole, the two-port of radial direction through hole is provided with steel ball, in radial direction through hole, be provided with return spring, the two ends of return spring are against on corresponding steel ball and steel ball are pushed against on the wall of described conical cavity; The wall of described adjusting bolt bottom is close to and liquid sealing mutually with piston rod cavity wall, this design makes the damping of piston rod can carry out Automatic Fine Tuning, when pressure is excessive, on adjustable lever, lift and overcome the resistance of return spring, when pressure diminishes, adjustable lever moves down and return spring resets, and can realize Automatic Fine Tuning.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present utility model;
Fig. 2 is the schematic diagram that is provided with the adjustable damping formula piston rod of this micro-adjusting mechanism.
In figure: 1-piston rod; 2-adjustable lever; 3-ramp; 5-adjusting nut; 6-return spring; 7-adjusting bolt; 8-steel ball; 9-needle-valve; 10-seal ring; 11-valve rod; 12-return spring II; 13-is oil outlet radially; 14-adjusting screw rod; 15-oil through; 16-frustum; 17-valve body; The Automatic Fine Tuning mechanism of 100-adjustable damping formula piston rod.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Embodiment one, as shown in Figure 1, the Automatic Fine Tuning mechanism of adjustable damping formula piston rod, adjusting nut 5 and adjusting bolt 7 are installed in the inner chamber of piston rod 1, adjusting nut 5 revolves the upper end that is located at piston rod 1, the inner of adjusting nut 5 is against the upper end of described adjusting bolt 7, on piston rod 1 internal face in described adjusting bolt 7 outsides, middle part, be provided with ramp 3, the oblique lower abduction in described ramp 3, the middle part of adjusting bolt 7 is provided with radial hole, radial hole port is provided with steel ball 8, in radial hole, be provided with return spring 6, the outer end of return spring 6 is against on steel ball 8 and steel ball 8 is pushed against on the wall in described ramp 3, the wall of described adjusting bolt 7 bottoms is close to and liquid sealing mutually with piston rod 1 inner chamber wall, and adjusting bolt 7 lower ends are against on adjustable lever 2.
Preferably, described ramp 3 is: on described piston rod 1 inwall, form more than one guide groove, the degree of depth of guide groove increases gradually, and the diapire of guide groove forms described ramp 3.
Preferably, described radial hole is radial direction through hole, and the two ends of radial direction through hole are provided with described steel ball 8.
Preferably, the upper end of described adjusting nut is provided with straight groove 51, and the middle part of adjusting nut is provided with round tube hole 52.
Embodiment two, the present embodiment and embodiment one are basic identical, its difference is: described ramp 3 is: piston rod 1 inner chamber in described adjusting bolt 7 outsides, middle part is conical cavity, and the bore of conical cavity increases from top to bottom gradually, and the inwall of conical cavity forms described ramp 3.
Be provided with this adjustable damping formula piston rod Automatic Fine Tuning mechanism piston rod assembly as shown in Figure 2, in piston rod 1 inner chamber, be provided with adjustable lever 2, needle-valve 9, return spring II 12 and adjusting screw rod 14, the upper end of piston rod 1 is provided with described Automatic Fine Tuning mechanism 100; The lower end of adjusting bolt 7 is against described adjustable lever 2 upper ends, the lower end of adjustable lever 2 is against on described needle-valve 9, the lower end of needle-valve 9 is against in described return spring II 12, and the lower end of return spring II 12 is against on described adjusting screw rod 14, and adjusting screw rod 14 is screwed in the lower end of piston rod 1; Described adjusting screw rod 14 middle parts are provided with oil through 15, on piston rod 1 sidewall at adjusting screw rod 14 inner places, are provided with the radially oil outlet 13 that more than one and described oil through coordinates.
Described needle-valve 9 comprises valve body, the middle part of valve body is provided with more than one seal ring mounting groove along its axial direction, in seal ring mounting groove, be installed with seal ring 10, the inwall liquid sealing of the outer rim of seal ring 10 and described piston rod 1, the lower end of described valve body is one-body molded, and to have valve rod 11, the bottom of valve rod 11 be that the side evagination of the frustum 16(frustum that coordinates with the oil through 15 of described adjusting screw rod 14 forms cambered surface) or sphere.
The external diameter > return spring II 12 of described valve body 17 the external diameter of internal diameter > valve rod 11.
The inner chamber of described piston rod 1 bottom is provided with needle-valve 9 is carried out to spacing step 18, the piston rod internal diameter of the piston rod internal diameter < step bottom on step top; The piston rod internal diameter on the external diameter > step top of the valve body of the piston rod internal diameter > needle-valve of described step bottom.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (5)
1. the Automatic Fine Tuning mechanism of adjustable damping formula piston rod, it is characterized in that: adjusting nut and adjusting bolt are installed in the inner chamber of piston rod, adjusting nut revolves the upper end that is located at piston rod, the inner of adjusting nut is against the upper end of described adjusting bolt, on the piston rod internal face in outside, described adjusting bolt middle part, be provided with ramp, the oblique lower abduction in described ramp, the middle part of adjusting bolt is provided with radial hole, radial hole port is provided with steel ball, in radial hole, be provided with return spring, the outer end of return spring is against on steel ball and steel ball is pushed against on the wall in described ramp, the wall of described adjusting bolt bottom is close to and liquid sealing mutually with piston rod cavity wall, and adjusting bolt lower end is against on adjustable lever.
2. the Automatic Fine Tuning mechanism of adjustable damping formula piston rod according to claim 1, is characterized in that: described ramp is: on described piston rod inwall, form more than one guide groove, the degree of depth of guide groove increases gradually, and the diapire of guide groove forms described ramp.
3. the Automatic Fine Tuning mechanism of adjustable damping formula piston rod according to claim 1, it is characterized in that: described ramp is: the piston rod cavity in outside, described adjusting bolt middle part is conical cavity, the bore of conical cavity increases from top to bottom gradually, and the inwall of conical cavity forms described ramp.
4. the Automatic Fine Tuning mechanism of adjustable damping formula piston rod according to claim 1, is characterized in that: described radial hole is radial direction through hole, and the two ends of radial direction through hole are provided with described steel ball.
5. according to the Automatic Fine Tuning mechanism of the adjustable damping formula piston rod described in claim 1-4 any one, it is characterized in that: the upper end of described adjusting nut is provided with straight groove, the middle part of adjusting nut is provided with round tube hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733833.XU CN203656022U (en) | 2013-11-19 | 2013-11-19 | Automatic fine adjusting mechanism of adjustable damping type piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733833.XU CN203656022U (en) | 2013-11-19 | 2013-11-19 | Automatic fine adjusting mechanism of adjustable damping type piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656022U true CN203656022U (en) | 2014-06-18 |
Family
ID=50922413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320733833.XU Expired - Fee Related CN203656022U (en) | 2013-11-19 | 2013-11-19 | Automatic fine adjusting mechanism of adjustable damping type piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361310A (en) * | 2018-01-31 | 2018-08-03 | 辽宁工业大学 | A kind of automobile adjustment damper and its damping method of adjustment |
-
2013
- 2013-11-19 CN CN201320733833.XU patent/CN203656022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361310A (en) * | 2018-01-31 | 2018-08-03 | 辽宁工业大学 | A kind of automobile adjustment damper and its damping method of adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIGEMA CO., LTD. Free format text: FORMER OWNER: SANMEN GROUP CO., LTD. Effective date: 20150423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317108 TAIZHOU, ZHEJIANG PROVINCE TO: 318000 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150423 Address after: 318000, Zhejiang, Taizhou Province three counties Pu dam town (three coastal industrial zone) Patentee after: Michael Seeger Limited by Share Ltd Address before: The three door county of Taizhou City, Zhejiang province 317108 along the red (three in Zhejiang coastal industrial city) Patentee before: XGM Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20191119 |