CN206280354U - A kind of novel compositions nut - Google Patents
A kind of novel compositions nut Download PDFInfo
- Publication number
- CN206280354U CN206280354U CN201621366085.6U CN201621366085U CN206280354U CN 206280354 U CN206280354 U CN 206280354U CN 201621366085 U CN201621366085 U CN 201621366085U CN 206280354 U CN206280354 U CN 206280354U
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- overcoat
- guide part
- novel compositions
- nut
- 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.)
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Abstract
The novel compositions nut that the utility model is provided, including inner sleeve, overcoat and guiding collar, overcoat are in hexagonal cylinder, and inner sleeve is in cylinder, and overcoat is set in outside inner sleeve, and overcoat is connected through a screw thread with inner sleeve, and inner sleeve madial wall is provided with the screw thread coordinated with bolt；The lateral wall of inner sleeve tail end is provided with opening positioned at the tail end end face and the chute of pullover extreme direction extension inwardly, guiding collar madial wall has guide part, guide part inner side is smaller than the internal diameter of guiding collar with the distance of inner sleeve axis, and guide part is slidably engaged with the chute.When the novel compositions nut and bolt connection, gasket sleeve is first directed to outside bolt, then inner sleeve and overcoat are integrally screwed into bolt.Then, make the guide part of guiding collar be formed with the chute of inner sleeve slidably to coordinate.Further rotating jacket is compressed by overcoat to guiding collar and can not rotated.
Description
Technical field
The utility model is related to fastener areas, and in particular to a kind of novel compositions nut.
Background technology
Nut is widely used in being fastenedly connected for various parts, in the occasion that valve body is connected with pipeline, commonly uses nut
With bolt connection.Because the nut on valve flange is that the percussion power is difficult to control to come pretension by the artificial spanner that taps.Separately
Outward, during pretension is carried out to nut, nut is larger with the axial force that the respective screw thread of bolt is subject to, and produces each other
Sliding friction is given birth to, easily the screw thread to bolt causes to damage.
The content of the invention
The purpose of this utility model is directed to the deficiencies in the prior art, there is provided a kind of novel compositions nut, it is avoided that right
Screw flight causes to damage.
The novel compositions nut that the utility model is provided, including inner sleeve, overcoat and guiding collar, overcoat are in hexagonal cylinder,
Inner sleeve is in cylinder, and overcoat is set in outside inner sleeve, and overcoat is connected through a screw thread with inner sleeve, and inner sleeve madial wall is provided with and coordinates with bolt
Screw thread；The lateral wall of inner sleeve tail end is provided with opening positioned at the tail end end face and the chute of pullover extreme direction extension inwardly, leads
There is guide part to packing ring madial wall, guide part inner side is smaller than the internal diameter of guiding collar with the distance of inner sleeve axis, guide part and
The chute is slidably engaged.
Specifically, the guide part covers the direction extension of head end inwardly.
Specifically, side wall of the chute through inner sleeve.
Specifically, the lateral wall of the inner sleeve head end is provided with stop outer rim, and the screw of the overcoat is two grades of shoulder holes, two
The counter sink of level shoulder hole is located at the end face of overcoat head end, and counter sink can accommodate stop outer rim.
Specifically, the externally threaded lift angle of the inner sleeve is smaller than its internal thread.
Compared with prior art, the beneficial effects of the utility model are：
The novel compositions nut that the utility model is provided, including inner sleeve, overcoat and guiding collar, overcoat are in hexagonal cylinder,
Inner sleeve is in cylinder, and overcoat is set in outside inner sleeve, and overcoat is connected through a screw thread with inner sleeve, and inner sleeve madial wall is provided with and coordinates with bolt
Screw thread；The lateral wall of inner sleeve tail end is provided with opening positioned at the tail end end face and the chute of pullover extreme direction extension inwardly, leads
There is guide part to packing ring madial wall, guide part inner side is smaller than the internal diameter of guiding collar with the distance of inner sleeve axis, guide part and
The chute is slidably engaged.When the novel compositions nut and bolt connection, gasket sleeve is first directed to outside bolt, then will
Inner sleeve is integrally screwed into bolt with overcoat.Then, make the guide part of guiding collar be formed with the chute of inner sleeve slidably to coordinate.Enter one
Step rotating jacket is compressed by overcoat to guiding collar and can not rotated.Now rotatable overcoat is carrying out pretension：Due to inner sleeve
Chute coordinates with the guide part of guiding collar, and inner sleeve can not be rotated because guiding collar is compressed by overcoat.Further rotate outer
Set can drive inner sleeve and bolt to make axial rectilinear movement in the lump（By the screw thread auxiliary driving in outside）, so as to realize the novel compositions
The pretension of nut.During pretension, inner sleeve is moved in the lump with bolt, and both screw threads do not have sliding friction, so that
Nut is avoided to cause to damage to the screw thread of bolt.
Brief description of the drawings
Fig. 1 is the stereogram of novel compositions nut of the present utility model；
Fig. 2 is another stereogram of novel compositions nut of the present utility model；
Fig. 3 is the decomposing state view of novel compositions nut of the present utility model；
The Section View that Fig. 4 is novel compositions nut of the present utility model with bolt when screwing and not carrying out pretension.
Description of reference numerals：
1. inner sleeve, 2. overcoat,
3. guiding collar, 4. chute,
5. guide part, 6. stop outer rim,
7. counter sink, 8. pipeline outer rim,
9. valve flange, 10. bolt,
11. bolt tails.
Specific embodiment
The utility model is further described with the following Examples.
The novel compositions nut that the present embodiment is provided, including inner sleeve 1, overcoat 2 and guiding collar 3.
See Fig. 1 to Fig. 3, overcoat 2 is in hexagonal cylinder, and inner sleeve 1 is in cylinder.Overcoat 2 is set in outside inner sleeve 1, overcoat 2 with it is interior
Set 1 is connected through a screw thread, and the madial wall of inner sleeve 1 is provided with the screw thread coordinated with bolt 10, and the externally threaded lift angle of inner sleeve 1 is than its internal thread
It is small.
The lateral wall of the tail end of inner sleeve 1 is provided with the chute 4 that opening extends positioned at the tail end end face and towards the head end direction of inner sleeve 1,
Preferably, side wall of the chute 4 through inner sleeve 1.The madial wall of guiding collar 3 has a guide part 5, and guide part 5 is towards the side of the head end of inner sleeve 1
To extension.The inner side of guide part 5 is smaller than the internal diameter of guiding collar 3 with the distance of the axis of inner sleeve 1（See Fig. 3）.Guide part 5 and chute 4
Slidably engage.
The lateral wall of the head end of inner sleeve 1 is provided with stop outer rim 6.The screw of overcoat 2 is two grades of shoulder holes, two grades of shoulder holes it is heavy
Head bore 7 is located at the end face of the head end of overcoat 2, and counter sink 7 can accommodate stop outer rim 6.
The application process of the novel compositions nut of the present embodiment is as follows：
With reference to Fig. 4, pipeline outer rim 8 is alignd with the respective connecting hole of valve flange 9, and bolt 10 sequentially passes through pipeline outer rim 8
With the connecting hole of valve flange 9.Then, packing ring 3 is directed to be enclosed within outside bolt 10（Between having between guiding collar 3 and bolt 10
Gap）, inner sleeve 1 and the entirety of overcoat 2 are then screwed into bolt 10.Because the externally threaded lift angle of inner sleeve 1 is smaller than its internal thread, inner sleeve 1
It is big compared with the frictional force between inner sleeve 1 and bolt 10 with the frictional force between overcoat 2 so as to turn inner sleeve 1 and the process of overcoat 2
In, inner sleeve 1 keeps geo-stationary with overcoat 2, and inner sleeve 1 passes through screw-driven with bolt 10.Connect in inner sleeve 1 and the entirety of overcoat 2
During nearly bolt tail 11, adjustment guiding collar 3 to its guide part 5 enters in the chute 4 of inner sleeve 1, then proceedes to inner sleeve 1 and outer
Set 2 is overall to be tightened, until overcoat 2 is directed to packing ring 3 jointly with valve flange 9 clamping, the state is as shown in Figure 4.
Because guiding collar 3 is clamped, the end face of guiding collar 3 is subject to larger frictional force, and its rotation is hindered, and leads
Slidably engaged with the chute 4 of inner sleeve 1 to the guide part 5 of packing ring 3 so that the rotation of inner sleeve 1 is also hindered.Now continue
Rotating jacket 2 can drive and moved on inner sleeve 1 and the overall axial direction of bolt 10（By the screw thread auxiliary driving in outside）, so as to bolt 10 is pre-
Tightly.During pretension, inner sleeve 1 is moved axially in the lump with bolt 10, and both screw threads do not have sliding friction, so as to keep away
Exempt from nut the screw thread of bolt is caused to damage.
When the novel compositions nut for needing to unscrew the present embodiment, can opposite direction rotating jacket 2 so that drive inner sleeve 1 with
Bolt 10 is displaced downwardly to non-Pre strained state as shown in Figure 4 in the lump.Now, stop outer rim 6 enters in counter sink 7 and stop outer rim 6
Lower surface be mutually pressed against with the bottom surface of counter sink 7, prevent overcoat 2 from driving inner sleeve 1 to move down again.Now overcoat 2 and the phase of inner sleeve 1
To static, rotating jacket 2 can make to be moved on overcoat 2 and the overall axial direction of inner sleeve 1（By the screw thread auxiliary driving of inner side）, make guiding collar
3 compression is released from, and guiding collar 3 can be rotated.Now rotating jacket 2 to be to drive inner sleeve 1 to rotate in the lump, until it takes off in the lump
From bolt 10.
Finally it should be noted that above example is only used to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained to the utility model with reference to preferred embodiment, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical scheme of utility model or equivalent, without deviating from this reality
With the spirit and scope of new technique scheme.
Claims (5)
1. a kind of novel compositions nut, it is characterised in that：Including inner sleeve, overcoat and guiding collar, overcoat is in hexagonal cylinder, inner sleeve
In cylinder, overcoat is set in outside inner sleeve, and overcoat is connected through a screw thread with inner sleeve, and inner sleeve madial wall is provided with the spiral shell coordinated with bolt
Line；The lateral wall of inner sleeve tail end is provided with opening positioned at the tail end end face and the chute of pullover extreme direction extension inwardly, guiding pad
Circle madial wall has a guide part, and guide part inner side is smaller than the internal diameter of guiding collar with the distance of inner sleeve axis, guide part with it is described
Chute is slidably engaged.
2. novel compositions nut according to claim 1, it is characterised in that：Prolong in the direction that the guide part covers head end inwardly
Stretch.
3. novel compositions nut according to claim 1, it is characterised in that：Side wall of the chute through inner sleeve.
4. novel compositions nut according to claim 1, it is characterised in that：The lateral wall of the inner sleeve head end is provided with stop
Outer rim, the screw of the overcoat is two grades of shoulder holes, and two grades of counter sinks of shoulder hole are located at the end face of overcoat head end, counter sink energy
Accommodate stop outer rim.
5. novel compositions nut according to claim 1, it is characterised in that：The externally threaded lift angle of inner sleeve is than its interior spiral shell
Line is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366085.6U CN206280354U (en) | 2016-12-13 | 2016-12-13 | A kind of novel compositions nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366085.6U CN206280354U (en) | 2016-12-13 | 2016-12-13 | A kind of novel compositions nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280354U true CN206280354U (en) | 2017-06-27 |
Family
ID=59072294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621366085.6U Active CN206280354U (en) | 2016-12-13 | 2016-12-13 | A kind of novel compositions nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704338A (en) * | 2016-12-13 | 2017-05-24 | 广东省特种设备检测研究院茂名检测院 | Novel combined nut |
-
2016
- 2016-12-13 CN CN201621366085.6U patent/CN206280354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704338A (en) * | 2016-12-13 | 2017-05-24 | 广东省特种设备检测研究院茂名检测院 | Novel combined nut |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |