CN207195412U - A kind of locking blade nut - Google Patents
A kind of locking blade nut Download PDFInfo
- Publication number
- CN207195412U CN207195412U CN201720851183.7U CN201720851183U CN207195412U CN 207195412 U CN207195412 U CN 207195412U CN 201720851183 U CN201720851183 U CN 201720851183U CN 207195412 U CN207195412 U CN 207195412U
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- CN
- China
- Prior art keywords
- nut
- bolt
- close
- upside
- sleeve
- 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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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a kind of locking blade nut, including nut sleeve, screw thread room and interior hexagonal neck, the inner side middle position of the nut sleeve is provided with shank of bolt, the upside middle position of the shank of bolt is provided with inner nut, the middle position that the screw thread room is arranged on inner nut is provided with nut sleeve sealing ring close to the upside of shank of bolt, the lower side external surface of the inner nut close to the inner side middle position of nut sleeve sealing ring；Dust washer is provided with the upside of compression chamber, the accumulation of dust can be prevented from causing after nut is used for multiple times, have influence on the use reliability of nut, the outside that set is twisted in nut is provided with anti-slip veins, and upside is provided with neck, can facilitate and nut is tightened, the centre of inner nut is provided with compression chamber, it can prevent from loosening in the case of vibrations, varying load, ensure that nut and bolted reliability after tightening to the tension force of one stretching of screw thread.
Description
Technical field
The utility model belongs to locking thread technical field, and in particular to a kind of locking blade nut.
Background technology
Nut is exactly nut, and the part for playing the role of fastening, all manufacturing machines are threaded together with bolt or screw rod
Tool must a kind of element according to the difference of material, be divided into several big types of carbon steel, stainless steel, non-ferrous metal.
Original blade nut is in use because blade high speed rotation causes to occur shaking between nut and bolt and variable load
The situation of lotus, the loosening of threaded connection is easily caused, the fixation to blade brings potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of locking blade nut, to solve the original proposed in above-mentioned background technology
Having blade nut, due to blade, rotation causes the situation for occurring vibrations and varying load between nut and bolt at a high speed in use, holds
The loosening of threaded connection is easily caused, the problem of fixation to blade brings potential safety hazard.
To achieve the above object, the utility model provides following technical scheme：A kind of locking blade nut, including nut
Set, screw thread room and interior hexagonal neck, the inner side middle position of the nut sleeve are provided with shank of bolt, the upside of the shank of bolt
Middle position is provided with inner nut, and the screw thread room is arranged on the middle position of inner nut close to the upside of shank of bolt, institute
The lower side external surface for stating inner nut is provided with nut sleeve sealing ring, the spiral shell close to the inner side middle position of nut sleeve sealing ring
The upside of mother set sealing ring is provided with compression chamber on the downside of inner nut, and the upside of the compression chamber is close to the left side of inner nut
Pressurized oil lines are provided with, the left side of the pressurized oil lines is provided with inner nut sealing ring close to the inner surface of nut sleeve, described
The upside of inner nut sealing ring is provided with dust washer close to the inner surface of nut sleeve, and the upside of the pressurized oil lines is close to interior
Pressurization bolt is provided with the left of nut, the downside of the pressurization bolt is provided with pressurization bolt close to the inner surface of inner nut
Piston, the outside of the inner nut are provided with nut close to the uper side surface of nut sleeve and twist set, and the inner side that the nut twists set is leaned on
The outer surface of nearly inner nut is provided with link slot, and the upper outside surfaces that the nut twists set are set close to the outside of pressurization bolt
There is nut to twist set neck, the interior hexagonal neck is arranged on the middle position of inner nut close to the right side of pressurization bolt, described
The outer surface that nut twists set is provided with the stubborn set anti-slip veins of nut, and the downside that the nut twists set anti-slip veins seals close to nut sleeve
Drawing gap is provided with the upside of circle.
Preferably, it is slidably connected between the nut sleeve and inner nut by neck, between the shank of bolt and inner nut
It is slidably connected by screw thread.
Preferably, be tightly connected between the compression chamber and nut sleeve by nut sleeve sealing ring, the compression chamber with it is interior
It is tightly connected between nut by inner nut sealing ring.
Preferably, connected between the pressurization bolt and pressurized oil lines by pressurization bolt piston seal, the pressurization spiral shell
It is slidably connected between bolt and inner nut by screw thread.
Preferably, the nut is twisted set and is fixedly connected between inner nut by link slot.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
It is convenient, dust washer is provided with the upside of compression chamber, can prevent from causing the accumulation of dust, shadow after nut is used for multiple times
The use reliability to nut is rung, the outside that set is twisted in nut is provided with anti-slip veins, and neck, Ke Yifang are provided with upside
Just nut is tightened, the centre of inner nut is provided with compression chamber, can prevented after tightening to the tension force of one stretching of screw thread
Only loosened in the case of vibrations, varying load, ensure that nut and bolted reliability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is side view of the present utility model；
In figure：1- nut sleeves sealing ring, 2- inner nuts sealing ring, 3- dust washers, 4- pressurized oil lines, 5- pressurization bolts are lived
Plug, 6- pressurization bolts, 7- inner nuts, 8- nuts twist set neck, 9- link slots, 10- screw threads room, the stubborn set of 11- nuts, 12- pressurizations
Room, 13- nut sleeves, 14- shanks of bolt, hexagonal neck, 16- nuts twist set anti-slip veins, 17- drawing gaps in 15-.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of locking blade nut, including nut sleeve 13,
Screw thread room 10 and interior hexagonal neck 15, the inner side middle position of nut sleeve 13 are provided with shank of bolt 14, the upside of shank of bolt 14
Middle position is provided with inner nut 7, and screw thread room 10 is arranged on the middle position of inner nut 7 close to the upside of shank of bolt 14,
The lower side external surface of inner nut 7 is provided with nut sleeve sealing ring 1, nut close to the inner side middle position of nut sleeve sealing ring 1
The upside of set sealing ring 1 is provided with compression chamber 12 close to the downside of inner nut 7, and the upside of compression chamber 12 is close to a left side for inner nut 7
Side is provided with pressurized oil lines 4, and the left side of pressurized oil lines 4 is provided with inner nut sealing ring 2 close to the inner surface of nut sleeve 13, interior
The upside of nut seal circle 2 is provided with dust washer 3 close to the inner surface of nut sleeve 13, and the upside of pressurized oil lines 4 is close to interior
The left side of nut 7 is provided with pressurization bolt 6, and the downside of pressurization bolt 6 is provided with pressurization bolt close to the inner surface of inner nut 7
Piston 5, the outside of inner nut 7 are provided with nut close to the uper side surface of nut sleeve 13 and twist set 11, and the inner side that nut twists set 11 is leaned on
The outer surface of nearly inner nut 7 is provided with link slot 9, and the upper outside surfaces that nut twists set 11 are set close to the outside of pressurization bolt 6
It is equipped with nut and twists set neck 8, interior hexagonal neck 15 is arranged on the middle position of inner nut 7 close to the right side of pressurization bolt 6, spiral shell
The outer surface that mother twists set 11 is provided with the stubborn set anti-slip veins 16 of nut, and the downside that nut twists set anti-slip veins 16 seals close to nut sleeve
The upside of circle 1 is provided with drawing gap 17.
Pretension is produced between nut and shank of bolt in order that obtaining, in the present embodiment, it is preferred that nut sleeve 13 and inner nut 7
Between be slidably connected by neck, be slidably connected between shank of bolt 14 and inner nut 7 by screw thread.
In order that the sealing of compression chamber must be ensured, in the present embodiment, it is preferred that lead between compression chamber 12 and nut sleeve 13
Cross nut sleeve sealing ring 1 to be tightly connected, be tightly connected between compression chamber 12 and inner nut 7 by inner nut sealing ring 2.
In order that the reliability that pretension stretches of pressurizeing must be ensured, in the present embodiment, it is preferred that pressurization bolt 6 and pressurization oil
It is tightly connected by pressurization bolt piston 5 between road 4, is slidably connected between pressurization bolt 6 and inner nut 7 by screw thread.
In order that tightening for nut must be facilitated, in the present embodiment, it is preferred that nut is twisted to be passed through between set 11 and inner nut 7
Link slot 9 is fixedly connected.
Compression chamber 12 in the utility model is the cavity of the variable volume of a sealing, and the inside is provided with high density Jie
Matter, compressed by the capacity of top so that cavity area becomes big, and lower nuts are covered and pressed so that shank of bolt stretches, and reaches pre-
Tight purpose.
Operation principle and process for using of the present utility model：After the utility model installs, by pressurized oil lines to adding
High-density medium is added in pressure chamber 12, then pressurization bolt 6 is screwed on pressurized oil lines 4, set 11 is then twisted by spiral shell by nut
Mother is screwed on shank of bolt 14 by the screw thread room 10 in inner nut 7, is then carried out by the interior hexagonal neck 15 on after inner nut 7
Tighten, pressurization bolt 6 is pressurizeed to compression chamber 12 by instrument afterwards, after there are drawing gap 17 of suitable width,
Stop pressurization.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of locking blade nut, including nut sleeve (13), screw thread room (10) and interior hexagonal neck (15), it is characterised in that：
The inner side middle position of the nut sleeve (13) is provided with shank of bolt (14), the upside middle position of the shank of bolt (14)
Inner nut (7) is provided with, the screw thread room (10) is arranged on the middle position of inner nut (7) close to the upper of shank of bolt (14)
Side, it is close that the lower side external surface of the inner nut (7) close to the inner side middle position of nut sleeve sealing ring (1) is provided with nut sleeve
Seal (1), the upside of the nut sleeve sealing ring (1) are provided with compression chamber (12), the pressurization on the downside of inner nut (7)
The upside of room (12) is provided with pressurized oil lines (4) on the left of inner nut (7), and the left side of the pressurized oil lines (4) is close to spiral shell
The inner surface of mother set (13) is provided with inner nut sealing ring (2), and the upside of the inner nut sealing ring (2) is close to nut sleeve
(13) inner surface is provided with dust washer (3), and the upside of the pressurized oil lines (4) is set close to the left side of inner nut (7)
There is pressurization bolt (6), the downside of the pressurization bolt (6) is provided with pressurization bolt piston close to the inner surface of inner nut (7)
(5), the outside of the inner nut (7) is provided with nut close to the uper side surface of nut sleeve (13) and twists set (11), and the nut is twisted
The inner side for covering (11) is provided with link slot (9) close to the outer surface of inner nut (7), and the nut twists the upside appearance of set (11)
Face is provided with nut on the outside of pressurization bolt (6) and twists set neck (8), and the interior hexagonal neck (15) is arranged on inner nut
(7) for middle position close to the right side of pressurization bolt (6), the outer surface that the nut twists set (11) is provided with the stubborn set of nut
Anti-slip veins (16), the downside that the nut twists set anti-slip veins (16) are provided between stretching on the upside of nut sleeve sealing ring (1)
Gap (17).
A kind of 2. locking blade nut according to claim 1, it is characterised in that：The nut sleeve (13) and inner nut
(7) it is slidably connected by neck between, is slidably connected between the shank of bolt (14) and inner nut (7) by screw thread.
A kind of 3. locking blade nut according to claim 1, it is characterised in that：The compression chamber (12) and nut sleeve
(13) it is tightly connected between by nut sleeve sealing ring (1), it is close by inner nut between the compression chamber (12) and inner nut (7)
Seal (2) is tightly connected.
A kind of 4. locking blade nut according to claim 1, it is characterised in that：The pressurization bolt (6) and pressurization oil
It is tightly connected by pressurization bolt piston (5) between road (4), is slided between the pressurization bolt (6) and inner nut (7) by screw thread
Dynamic connection.
A kind of 5. locking blade nut according to claim 1, it is characterised in that：The nut twists set (11) and inner nut
(7) it is fixedly connected between by link slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720851183.7U CN207195412U (en) | 2017-07-13 | 2017-07-13 | A kind of locking blade nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720851183.7U CN207195412U (en) | 2017-07-13 | 2017-07-13 | A kind of locking blade nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195412U true CN207195412U (en) | 2018-04-06 |
Family
ID=61784625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720851183.7U Expired - Fee Related CN207195412U (en) | 2017-07-13 | 2017-07-13 | A kind of locking blade nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626233A (en) * | 2018-06-26 | 2018-10-09 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power stop nut |
-
2017
- 2017-07-13 CN CN201720851183.7U patent/CN207195412U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626233A (en) * | 2018-06-26 | 2018-10-09 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power stop nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300000 Han Hing Road 2, Han Jia Shu Industrial Zone, Beichen, Tianjin Patentee after: Tianjin City Da Chuan Seiko Industrial Co., Ltd. Address before: 300403 Beichen, Tianjin Double Street Town double entrance road south half Bay Garden 1 and 4 Building 1-13 doors -1-1, 2-1401 Patentee before: Tianjin Dachuan Albert Amperex Technology Limited |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20200713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |