CN205136313U - Antidetonation fastening type nut - Google Patents
Antidetonation fastening type nut Download PDFInfo
- Publication number
- CN205136313U CN205136313U CN201520792186.9U CN201520792186U CN205136313U CN 205136313 U CN205136313 U CN 205136313U CN 201520792186 U CN201520792186 U CN 201520792186U CN 205136313 U CN205136313 U CN 205136313U
- Authority
- CN
- China
- Prior art keywords
- nut
- tapped hole
- antidetonation
- mainshaft
- screw hole
- 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
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Abstract
The utility model provides an antidetonation fastening type nut, including the mainshaft nut, still include cohesion device and locking bolt, the convex nut that the mainshaft nut is constituteed for the upper and lower cylinder that has the expansion joint, centre are equipped with first screw hole, and lower cylinder is equipped with a plurality of second screw holes of arranging along the circumferencial direction equidistance all around, and the lateral surface of going up the cylinder is under the narrow width's taper surface, cohesion device through trepanning suit among them on the taper surface of mainshaft nut, cohesion device be provided with all around with the corresponding third screw hole of second screw hole, the locking bolt passes through second screw hole and third screw hole to make and realizes the fastening connection between cohesion device and mainshaft nut. The utility model discloses a tapered effect, the hookup between messenger's main shaft and nut is fastened more, has realized the thread zero distance combination within a definite time of main shaft and nut, has guaranteed the inseparable hookup of nut with the main shaft to avoid the work piece not hard up, drop even, caused equipment trouble.
Description
Technical field
The utility model relates to a kind of nut, particularly a kind of antidetonation fastening type nut.
Background technique
In mechanical transmission, main shaft drives the rotation of workpiece, and on cover after workpiece, the axle head thread of main shaft is fixed in nut, plays the effect of fastening workpiece, prevents workpiece from loosening or coming off.
Because the turning of work piece of main shaft has powerful impact force and extruding force at work, and all there is larger gap and the stressed reason of screw thread one side due to connecting of general nut and spindle thread, general nut is under powerful impact force operating mode, and the easily damaged or sliding tooth of screw thread etc., finally cause loosening.This situation causes three kinds of consequences:
1. the loosening of workpiece causes upper and lower play, causes equipment failure, adds the maintenance frequency of large equipment;
2. cause spindle thread position to be damaged, reduce the working life of main shaft, increase user cost;
3. current, general tightening nut all can not be reused, and is not easy to the replacing of accessory.
In a word, the existence of above problem, cause equipment failure rate high, user cost is high.
At present, for the problem loosened of mainshaft nut, the mode of general employing locked spacer (or claiming " non-return pad ") solves, but large for heavy load, impact force, to have clockwise and anticlockwise transmission device, this mode cannot prevent the damage of powerful impact force and extruding force double thread, thus cannot tackle the problem at its root.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of antidetonation fastening type nut, solves the problem of existing mainshaft nut easily damaged or sliding tooth under powerful impact force operating mode.
The utility model solves the technological scheme that its technical problem adopts: a kind of antidetonation fastening type nut, comprise mainshaft nut, also comprise enclasp device and lock bolt, described mainshaft nut is the male nut formed with the cylindrical body up and down at expansion joint, centre is provided with the first tapped hole, lower cylindrical body surrounding is provided with the second tapped hole of some along the circumferential direction equidistant arrangement, and upper cylindrical outer side surface is up-narrow and down-wide conical surface; Described enclasp device is sleeved on the conical surface of mainshaft nut by its middle trepanning, enclasp device surrounding is provided with three tapped hole corresponding with described second tapped hole, and described lock bolt makes to realize between enclasp device and mainshaft nut being fastenedly connected by the second tapped hole and the 3rd tapped hole.
Preferably, the tapering of the conical surface of described mainshaft nut is 1:10.
Preferably, spacer for bolt is provided with between the spiral shell head of described lock bolt and the end face of enclasp device.
Preferably, the quantity of described second tapped hole is six, and the quantity of corresponding 3rd tapped hole and lock bolt is all six.
Preferably, the trepanning inwall of described enclasp device is also up-narrow and down-wide conical surface, and preferred tapering is 1:10.
Good effect of the present utility model:
1. existing main shaft is realized by connecting of screw thread with the fastening effect between nut, and this connection exists comparatively wide arc gap, and screw thread to be one side stressed, the effect lower nut screw thread of powerful impact force and extruding force and main-axis end thread easily damaged; This patent, by the effect of tapering, makes to connect more fastening between main shaft with nut, thus achieves main shaft zero distance with between the thread of nut and be combined.
2. when transmission device vibrations are larger, because the zero distance of main shaft with between the thread of nut is combined, main shaft and nut is made to form an entirety, the impact force double thread that the rotating component of main shaft is operationally produced does not produce destruction substantially, ensure that the close-coupled of nut and main shaft, thus it is loosening to avoid workpiece, even comes off, causes equipment failure.
3. increase the working life of main shaft and nut, reduce user cost.
4. the installation and removal due to lock bolt are very simple, time saving and energy saving, thus make main shaft connect with the installation of nut and dismantle convenient.
The utility model structure is simple in a word, easy to use.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of mainshaft nut described in the utility model;
Fig. 2 is the sectional structure schematic diagram of mainshaft nut described in the utility model;
Fig. 3 is the sectional structure schematic diagram of enclasp device described in the utility model;
Fig. 4 is the sectional structure schematic diagram of antidetonation fastening type nut described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Referring to figs. 1 through Fig. 4, the utility model preferred embodiment provides a kind of antidetonation fastening type nut, comprise mainshaft nut 7, also comprise enclasp device 8 and lock bolt 9, described mainshaft nut 7 is for being provided with the male nut of the composition of cylindrical body up and down at expansion joint 3, centre is provided with the first tapped hole 1, and lower cylindrical body surrounding is provided with the second tapped hole 2 of some along the circumferential direction equidistant arrangement, and upper cylindrical outer side surface is up-narrow and down-wide conical surface 4; Described enclasp device 8 is sleeved on the conical surface 4 of mainshaft nut 7 by its middle trepanning 5, enclasp device 7 surrounding is provided with three tapped hole 6 corresponding with described second tapped hole 2, and described lock bolt 9 makes to realize between enclasp device 8 and mainshaft nut 7 being fastenedly connected by the second tapped hole 2 and the 3rd tapped hole 6.
The tapering of the conical surface of described mainshaft nut 7 is 1:10.
Spacer for bolt 10 is provided with between the spiral shell head of described lock bolt 9 and the end face of enclasp device 8.
The quantity of described second tapped hole 2 is six, and the quantity of corresponding 3rd tapped hole 6 and lock bolt 9 is all six.
The trepanning inwall of described enclasp device is also up-narrow and down-wide conical surface, and preferred tapering is 1:10.
When using the utility model, enclasp device is enclosed within nut, and locks " lock bolt ".When bolt is locked tighter and tighter, enclasp device moves down, and due to the effect of tapering, the gap at the expansion joint of nut is more and more less, and nut and main shaft are embraced tighter and tighter, thus realizes main shaft zero distance with between the thread of nut and be combined.
The utility model mainly utilizes enclasp device to replace existing locked spacer, has following effect:
1. ensure that main shaft zero distance with between the thread of nut is combined, make nut not easily damaged or sliding tooth under powerful impact force operating mode.
2. protect the working life of axle head thread, reduce the maintenance failure of equipment.
3. by the locking of enclasp device or outward winding nut can be made to hold tightly or unclamp, thus when making installation, locking connects with dismounting convenient.
Above-describedly be only preferred embodiment of the present utility model; be understood that; the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; and be not used in restriction protection domain of the present utility model; all any amendments, equivalent replacement etc. made within thought of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (5)
1. an antidetonation fastening type nut, comprise mainshaft nut, it is characterized in that: also comprise enclasp device and lock bolt, described mainshaft nut is the male nut formed with the cylindrical body up and down at expansion joint, centre is provided with the first tapped hole, lower cylindrical body surrounding is provided with the second tapped hole of some along the circumferential direction equidistant arrangement, and upper cylindrical outer side surface is up-narrow and down-wide conical surface; Described enclasp device is sleeved on the conical surface of mainshaft nut by its middle trepanning, enclasp device surrounding is provided with three tapped hole corresponding with described second tapped hole, and described lock bolt makes to realize between enclasp device and mainshaft nut being fastenedly connected by the second tapped hole and the 3rd tapped hole.
2. a kind of antidetonation fastening type nut according to claim 1, is characterized in that: the tapering of the conical surface of described mainshaft nut is 1:10.
3. a kind of antidetonation fastening type nut according to claim 1, is characterized in that: be provided with spacer for bolt between the spiral shell head of described lock bolt and the end face of enclasp device.
4. a kind of antidetonation fastening type nut according to claim 1, it is characterized in that: the quantity of described second tapped hole is six, the quantity of corresponding 3rd tapped hole and lock bolt is all six.
5. a kind of antidetonation fastening type nut according to claim 1, is characterized in that: the trepanning inwall of described enclasp device is also up-narrow and down-wide conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792186.9U CN205136313U (en) | 2015-10-14 | 2015-10-14 | Antidetonation fastening type nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792186.9U CN205136313U (en) | 2015-10-14 | 2015-10-14 | Antidetonation fastening type nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136313U true CN205136313U (en) | 2016-04-06 |
Family
ID=55622111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520792186.9U Expired - Fee Related CN205136313U (en) | 2015-10-14 | 2015-10-14 | Antidetonation fastening type nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061472A (en) * | 2017-06-13 | 2017-08-18 | 无锡创明传动工程有限公司 | A kind of anti-loose structure of nut |
-
2015
- 2015-10-14 CN CN201520792186.9U patent/CN205136313U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061472A (en) * | 2017-06-13 | 2017-08-18 | 无锡创明传动工程有限公司 | A kind of anti-loose structure of nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160406 Termination date: 20161014 |