CN205201382U - A spanner for locknut - Google Patents
A spanner for locknut Download PDFInfo
- Publication number
- CN205201382U CN205201382U CN201520975702.1U CN201520975702U CN205201382U CN 205201382 U CN205201382 U CN 205201382U CN 201520975702 U CN201520975702 U CN 201520975702U CN 205201382 U CN205201382 U CN 205201382U
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- hand wheel
- screw
- diameter
- nut
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Abstract
The utility model discloses a spanner for locknut. The utility model designs a spanner that matches with this nut adopts this spanner, and the installation of realization nut that can be comparatively simple has improved the convenience. And, the design of screw thread on the screw rod, not only can realize with the closely cooperating of nut, still because of and the screw hole of rotatory hand wheel between screw -thread fit, avoided the rotatory screw part and the condition of rotatory hand wheel separation to take place, improved the practicality.
Description
Technical field
The utility model relates to locking design field, is specifically related to a kind of spanner for stop nut.
Background technology
As illustrated in fig. 1 and 2, the stop nut of 95 formula rifle gun aiming devices is cylinder type, and this stop nut has external screw thread and two internal threads, and described two internal threads are from axle; When assembling, need in described stop nut embedded structure face.At present, existing nut is in the past generally hex nut and round nut, and the assembly wrench of coupling is mainly for general anchor design.Erecting tools is not targetedly had for the mounting structure nut with internal and external threads.
Utility model content
In view of this, the utility model provides a kind of spanner for stop nut, can by described stop nut embedded structure face.
For a spanner for stop nut, comprise two rotating screw elements and a rotation hand wheel;
Wherein, rotating screw elements is made up of rotary screw, little Compress Spring, large Compress Spring and packing ring; Wherein, the screw rod of rotary screw is divided into three sections, is followed successively by enlarged diameter section, reduced diameter section and thread segment by nut; Wherein, the diameter of reduced diameter section is less than the diameter of thread segment;
Described rotation hand wheel there is the installing hole corresponding with rotating screw elements, is divided into three sections, be followed successively by large diameter hole, screwed hole and small diameter bore; Wherein, the internal diameter of screwed hole is less than the internal diameter of reduced diameter section;
Threaded engagement between screw flight section and the screwed hole of rotation hand wheel, and after screw flight section is rotated with the screwed hole of rotation hand wheel, thread segment is positioned at outside rotation hand wheel;
Little spring loads in the gap that formed between reduced diameter section and small diameter bore, and conflict in one end of little spring on the step surface that formed in small diameter bore and screwed hole, the other end and packing ring are conflicted; The other end of packing ring is fixed on the step surface that screw flight section and reduced diameter section formed;
Big spring loads in the gap that formed between enlarged diameter section and large diameter hole, and conflict in one end of big spring on the step surface that formed at large diameter hole and screwed hole, on the step surface that other end conflict is formed at nut and enlarged diameter section.
Preferably, the outer surface of described rotation hand wheel, the outer surface of nut are equipped with straight burr.
Preferably, described packing ring is by the complete circle of two semi-rings by being formed after snap fit.
Beneficial effect:
1, the utility model is for existing nut structure, devises a spanner mated with this nut, adopts this spanner, comparatively simply can realize the installation of nut, improve convenience.And the design of screw thread on screw rod, can not only realize and the closely cooperating of nut; Also because of rotation hand wheel screwed hole between threaded engagement, avoid the situation that rotating screw elements is separated with rotation hand wheel and occur, improve practicality.
In addition, the through-hole diameter offered due to rotation hand wheel is greater than the diameter of screw rod, so, screw rod rocking in through hole will be caused, in order to avoid such situation occurs, screw design is forge piece of step type structure by the utility model, and in the gap formed between enlarged diameter section and large diameter hole respectively, arrange Compress Spring in the gap that formed between reduced diameter section and small diameter bore, the situation of rocking to avoid screw rod occurs.When using spanner, Compress Spring can also provide elastic force for screw.
2, gasket design is two semicircular ring structures, solves Compress Spring and rotary screw causes the difficult problem not easily installed or removed because gap is little.And the use of packing ring, has clamping stagnation effect to Compress Spring, prevents Compress Spring from dropping from rotary screw.
Accompanying drawing explanation
Fig. 1 is stop nut sectional view.
Fig. 2 is stop nut top view.
Fig. 3 is the utility model spanner sectional view.
Fig. 4 is the utility model spanner structure schematic diagram.
Fig. 5 is rotary screw sectional view.
Fig. 6 (a) is the schematic diagram of one of them semicircular ring of composition packing ring.
Fig. 6 (b) is the schematic diagram of another semicircular ring of composition packing ring.
Wherein, 1-rotary screw, 2-knob handwheel, the large Compress Spring of 3-, the little Compress Spring of 4-, 5-packing ring.
Detailed description of the invention
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
The utility model provides a kind of spanner for stop nut, as shown in Figures 3 and 4, comprises two rotating screw elements and a rotation hand wheel 2;
Wherein, as shown in Figure 5, wherein, rotating screw elements is made up of rotary screw 1, little Compress Spring 4, large Compress Spring 3 and packing ring 5; Wherein, the screw rod of rotary screw is divided into three sections, is followed successively by enlarged diameter section, reduced diameter section and thread segment by nut; Wherein, the diameter of reduced diameter section is less than the diameter of thread segment;
Described rotation hand wheel 2 there is the installing hole corresponding with rotating screw elements, is divided into three sections, be followed successively by large diameter hole, screwed hole and small diameter bore; Wherein, the internal diameter of screwed hole is less than the internal diameter of reduced diameter section;
Threaded engagement between the screwed hole of screw flight section and rotation hand wheel 2, and after screw flight section is rotated with the screwed hole of rotation hand wheel 2, thread segment is positioned at outside rotation hand wheel 2; Threaded engagement between thread segment and screwed hole, enables rotary screw be arranged in the through hole of rotation hand wheel, prevents rotary screw from dropping out;
Little spring 4 loads in the gap that formed between reduced diameter section and small diameter bore, and conflict in one end of little spring 4 on the step surface that formed in small diameter bore and screwed hole, the other end and packing ring 5 are conflicted; The other end of packing ring 5 is fixed on the step surface that screw flight section and reduced diameter section formed;
Big spring 3 loads in the gap that formed between enlarged diameter section and large diameter hole, and conflict in one end of big spring 3 on the step surface that formed at large diameter hole and screwed hole, on the step surface that other end conflict is formed at nut and enlarged diameter section.
The step that described rotary screw is installed on rotation hand wheel is: first large Compress Spring is placed in enlarged diameter section place through screw rod, afterwards, after being coordinated by described rotary screw, is arranged in the installing hole of knob handwheel 2 by thread segment with the screwed hole of rotation hand wheel; Now, large Compress Spring is greater than in the gap that formed between the enlarged diameter section of screw rod at the large diameter hole of rotation hand wheel; Small diameter bore due to rotation hand wheel is greater than the reduced diameter section of screw rod, so also form gap each other in the small diameter bore of the reduced diameter section of screw rod and knob handwheel 2; Afterwards, after described little Compress Spring and packing ring are passed the screw rod of rotary screw successively, the reduced diameter section of the small diameter bore and screw rod that make little Compress Spring be positioned at rotation hand wheel forms gap each other, and conflict in one end of little Compress Spring on the step surface that formed at small diameter bore and screwed hole, the other end and packing ring inconsistent; The other end of packing ring 5 is fixed on the step surface that screw flight section and reduced diameter section formed.Wherein, acting as of Compress Spring: the installing hole diameter due to rotation hand wheel is greater than the external diameter of screw rod, in order to avoid screw rod rocks in installing hole, adopts Compress Spring to be fixed; Meanwhile, when using spanner, Compress Spring can also provide elastic force.
Its operation principle is: in use, is first alignd with two internal thread holes of nut by two rotary screws, afterwards, rotates rotary screw, rotary screw and nut are interfixed by threaded engagement; Finally, rotate rotation hand wheel, make in nut embedded structure face.
The structure of described packing ring 5 is: by the complete circle of two semi-rings by being formed after snap fit.
As shown in Fig. 6 (a) He 6 (b), be specially: two ends of one of them semicircular ring are provided with elastic fastening hook; Two ends of another semicircular ring are provided with the draw-in groove mated with elastic fastening hook; Described draw-in groove two ends anchor ring is provided with hole of giving up the throne, and is convenient to packing ring dismounting.Gasket design is two semicircular ring structures, solves Compress Spring and rotary screw causes the difficult problem not easily installed or removed because gap is little.When disassembled, by pressing hole of giving up the throne, dismounting can be realized.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. for a spanner for stop nut, it is characterized in that, comprise two rotating screw elements and a rotation hand wheel (2);
Wherein, rotating screw elements is made up of rotary screw (1), little Compress Spring (4), large Compress Spring (3) and packing ring (5); Wherein, the screw rod of rotary screw is divided into three sections, is followed successively by enlarged diameter section, reduced diameter section and thread segment by nut; Wherein, the diameter of reduced diameter section is less than the diameter of thread segment;
(2) have the installing hole corresponding with rotating screw elements to described rotation hand wheel, are divided into three sections, are followed successively by large diameter hole, screwed hole and small diameter bore; Wherein, the internal diameter of screwed hole is less than the internal diameter of reduced diameter section;
Threaded engagement between the screwed hole of screw flight section and rotation hand wheel (2), and after screw flight section is rotated with the screwed hole of rotation hand wheel (2), thread segment is positioned at outside rotation hand wheel (2);
Little spring (4) loads in the gap that formed between reduced diameter section and small diameter bore, and conflict in one end of little spring (4) on the step surface that formed in small diameter bore and screwed hole, the other end and packing ring (5) are conflicted; The other end of packing ring (5) is fixed on the step surface that screw flight section and reduced diameter section formed;
In the gap formed between big spring (3) loading enlarged diameter section and large diameter hole, and conflict in one end of big spring (3) on the step surface that formed at large diameter hole and screwed hole, on the step surface that other end conflict is formed at nut and enlarged diameter section.
2. spanner as claimed in claim 1, is characterized in that: the outer surface of described rotation hand wheel (2), the outer surface of nut are equipped with straight burr.
3. spanner as claimed in claim 1, is characterized in that, described packing ring (5) is by the complete circle of two semi-rings by being formed after snap fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975702.1U CN205201382U (en) | 2015-12-01 | 2015-12-01 | A spanner for locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975702.1U CN205201382U (en) | 2015-12-01 | 2015-12-01 | A spanner for locknut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205201382U true CN205201382U (en) | 2016-05-04 |
Family
ID=55839122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520975702.1U Active CN205201382U (en) | 2015-12-01 | 2015-12-01 | A spanner for locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205201382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339734A (en) * | 2020-06-19 | 2021-09-03 | 宁波石上天际能源有限公司 | Mounting structure and projecting lamp of using this mounting structure |
-
2015
- 2015-12-01 CN CN201520975702.1U patent/CN205201382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339734A (en) * | 2020-06-19 | 2021-09-03 | 宁波石上天际能源有限公司 | Mounting structure and projecting lamp of using this mounting structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |