CN2430241Y - Hydraulic nut - Google Patents
Hydraulic nut Download PDFInfo
- Publication number
- CN2430241Y CN2430241Y CN 00221030 CN00221030U CN2430241Y CN 2430241 Y CN2430241 Y CN 2430241Y CN 00221030 CN00221030 CN 00221030 CN 00221030 U CN00221030 U CN 00221030U CN 2430241 Y CN2430241 Y CN 2430241Y
- Authority
- CN
- China
- Prior art keywords
- nut
- pressure
- hydraulic
- hydraulic pressure
- cavity
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a hydraulic pressure lock nut technical field, it includes the nut base member, the annular chamber that is equipped with on it, pressure ring, hydraulic pressure regulation cavity, plunger, pressure regulating screw, sealing washer, it still includes a hydraulic pressure display cavity, is equipped with the sealing washer according to the preface in this cavity, the pressure measuring bar, the hydraulic pressure display device that dish spring and adjusting nut are constituteed, and annular chamber shows the cavity through oil duct and hydraulic pressure respectively, hydraulic pressure regulation cavity intercommunication, is equipped with the swivel nut on the nut base member, and the dish spring that resets is established on pressure ring step, the utility model discloses it is big to the work piece clamp force, and can adjust the moderate degree of clamping force, and the hydraulic pressure nut's of being convenient for dismantlement and reuse are effectively installed.
Description
The utility model relates in particular to hydraulic locking nut technical field for relating to the locking nut technical field.
At present, securing member commonly used is a standard machinery formula nut, this nut is that the heart is provided with screw therein, because the mechanical type nut is subjected to its structural limitations, its clamping force is big inadequately, especially in fastening workpiece process, because this cutting force in process of workpiece, the influence of inertia force and vibration force etc., can produce displacement inevitably, also having a kind of is that basal body of nut is provided with the hydraulic pressure annular compartment, plunger, adjustment screw and exsertile pressure rings, this structure is bigger than the fastening force of standard machinery nut, but fastening force can not be monitored in the course of the work, thereby the quality that influence is used, in addition, the pressure rings that this nut stretches out after work can not be withdrawn automatically, make troubles for dismounting and installation next time, influence the raising of efficiency.
The purpose of this utility model is to provide a kind of above-mentioned defective that overcomes, and can in time show the size of hydraulic pressure fastening force in the course of the work, and the pressure rings of stretching out after the work can reset, and installing/dismounting is hydraulic nut easily all.
The technical solution of the utility model is achieved in that
The utility model comprises that basal body of nut (1) is provided with an annular compartment and establishes within it pressure rings (8) and sealing ring (6), also be provided with the hydraulic regulation chamber, in the hydraulic regulation chamber, be provided with the plunger (12) that has " O " shape sealing ring (10) in regular turn, steel ball (11), pressure regulating screw (13), it comprises that also a hydraulic pressure shows chamber, be provided with in regular turn by bowl ring (2) pressure measuring staff (3) in the hydraulic pressure demonstration chamber, the hydraulic pressure display unit that dish spring (4) and adjusting nut (5) are formed, in this hydraulic nut sealed hollow system, annular compartment shows chamber by oil duct and hydraulic pressure respectively, the hydraulic regulation chamber is connected, and axially also is provided with swivel nut (7) the dish spring (9) that resets in basal body of nut (1) and is located on pressure rings (8) step.
The technical scheme that the utility model also can be taked is that the pressure measuring staff is provided with the step that prevents outer cunning, and pressure measuring staff top is provided with pressure scale.
The utility model is clamping work pieces preferably, preventing influences crudy because of vibration waits the displacement that causes, simultaneously again owing to be provided with the hydraulic pressure display unit, can grasp the hydraulic clamp power of workpiece at any time, be convenient to the appropriate regulation of clamping force, owing to be provided with the dish spring that resets on pressure rings, after interior hydraulic pressure was eliminated, the pressure rings of stretching out can automatically reset under the effect of the dish spring that resets again.Thereby effective installation of being convenient to the dismounting of hydraulic nut and reusing.
Accompanying drawing 1 is a structural representation of the present utility model:
1 is basal body of nut, the 2nd among the figure, bowl ring, the 3rd, pressure measuring staff, the 4th, dish spring, the 5th, adjusting nut, the 6th, sealing ring, the 7th, swivel nut, the 8th, pressure rings, the 9th, the dish spring, the 10th that resets, " O " shape sealing ring, the 11st, steel ball, the 12nd, plunger, the 13rd, adjustment screw.
Schematic diagram when accompanying drawing 2 is the fastening workpiece of the utility model.
Introduce embodiment in conjunction with the accompanying drawings:
In accompanying drawing 1, basal body of nut (1) is provided with an annular compartment; Two pressure regulating cavity chambers and a hydraulic pressure show chamber.In annular compartment, pack into successively sealing ring (6), pressure rings (8); In the pressure regulating cavity chamber, pack into successively plunger (12), steel ball (11), screw on adjustment screw (13), on plunger (12), cut sealed groove, " O " shape sealing ring (10) is mounted in it, to prevent that plunger (12) from locating leak of liquid, show pack into successively in the chamber bowl ring (2), pressure measuring staff (3), dish spring (4), screw on adjusting nut (5) at hydraulic pressure.Reset dish spring (9) encapsulation on pressure rings (8), and swivel nut (7) screws on basal body of nut 1.
Operation principle of the present utility model is as follows: the utility model is clamping work pieces preferably, preventing influences crudy because of vibration waits the displacement that causes, simultaneously again owing to be provided with the hydraulic pressure display unit, can grasp the hydraulic clamp power of workpiece at any time, be convenient to the appropriate regulation of clamping force, owing to be provided with the dish spring that resets on pressure rings, after interior hydraulic pressure was eliminated, the pressure rings of stretching out can automatically reset under the effect of the dish spring that resets again.Thereby effective installation of being convenient to the dismounting of hydraulic nut and reusing.Shown in figure (2), hydraulic nut is screwed on lathe mandrel (14) screw thread.Tighten adjustment screw (13) with Allen wrench, by steel ball (11) plunger (12) is promoted forward, owing in hydraulic chamber, be provided with hydraulic medium, the liquid that this moment, pressure was regulated in the cavity enters toroidal cavity by oil duct, sealing ring in the annular compartment (6) and pressure rings (8) are under the driving of hydraulic pressure, produce axial displacement, thereby workpiece is clamped on the lathe mandrel.Seal owing to hydraulic nut integral cavity system again, liquid in the toroidal cavity feeds back to hydraulic pressure simultaneously by oil duct and shows cavity, with bowl ring (2), pressure measuring staff (3) is outwards passed, because the pressure measuring staff is provided with disk spring (4), the pressure measuring staff is pushed under the effect of disk spring, thereby correctly demonstrates the pressure scale number.In the unloading process of workpiece, inner hexagon spanner unscrews the adjustment screw (13) of hydraulic nut, and the interior hydraulic pressure of hydraulic nut this moment is eliminated, and pressure rings (8) returns to initial position in time under the effect of dish spring (9) that reset.
Claims (2)
1, a kind of hydraulic nut, it is included in, and basal body of nut (1) is provided with an annular compartment and pressure rings (8) and the sealing ring (6) established within it also are provided with the hydraulic regulation chamber, in the hydraulic regulation chamber, be provided with the plunger (12) that has " O " shape sealing ring (10) in regular turn, steel ball (11), pressure regulating screw (13), it is characterized in that, it comprises that also a hydraulic pressure shows chamber, be provided with in regular turn by bowl ring (2) pressure measuring staff (3) in the hydraulic pressure demonstration chamber, the hydraulic pressure display unit that dish spring (4) and adjusting nut (5) are formed, in the hydraulic nut sealed hollow system, annular compartment shows chamber by oil duct and hydraulic pressure respectively, the hydraulic regulation chamber is connected, basal body of nut (1) axially also is provided with swivel nut (7), and the dish spring (9) that resets is located on pressure rings (8) step.
2, hydraulic nut according to claim 1 is characterized in that, the pressure measuring staff is provided with and prevents outer sliding step, and pressure measuring staff top is provided with pressure scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221030 CN2430241Y (en) | 2000-07-12 | 2000-07-12 | Hydraulic nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221030 CN2430241Y (en) | 2000-07-12 | 2000-07-12 | Hydraulic nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2430241Y true CN2430241Y (en) | 2001-05-16 |
Family
ID=33585984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00221030 Expired - Fee Related CN2430241Y (en) | 2000-07-12 | 2000-07-12 | Hydraulic nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2430241Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000965A (en) * | 2010-10-26 | 2011-04-06 | 株洲硬质合金集团有限公司 | Hydraulic efficiency nut restorer |
| CN105415277A (en) * | 2015-11-25 | 2016-03-23 | 无锡巨通矿山机械有限公司 | Disassembling device for connecting pin shaft between rocker arm of coal mining machine and traction box |
| CN111408741A (en) * | 2020-04-02 | 2020-07-14 | 广州市昊志机电股份有限公司 | Adjustable spindle locking device and lathe spindle box structure |
-
2000
- 2000-07-12 CN CN 00221030 patent/CN2430241Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000965A (en) * | 2010-10-26 | 2011-04-06 | 株洲硬质合金集团有限公司 | Hydraulic efficiency nut restorer |
| CN105415277A (en) * | 2015-11-25 | 2016-03-23 | 无锡巨通矿山机械有限公司 | Disassembling device for connecting pin shaft between rocker arm of coal mining machine and traction box |
| CN111408741A (en) * | 2020-04-02 | 2020-07-14 | 广州市昊志机电股份有限公司 | Adjustable spindle locking device and lathe spindle box structure |
| CN111408741B (en) * | 2020-04-02 | 2021-08-31 | 广州市昊志机电股份有限公司 | Adjustable spindle locking device and lathe spindle box structure |
| WO2021196792A1 (en) * | 2020-04-02 | 2021-10-07 | 广州市昊志机电股份有限公司 | Adjustable spindle locking apparatus and lathe spindle housing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |