CN206449085U - A kind of two-part screw rod - Google Patents
A kind of two-part screw rod Download PDFInfo
- Publication number
- CN206449085U CN206449085U CN201720063063.0U CN201720063063U CN206449085U CN 206449085 U CN206449085 U CN 206449085U CN 201720063063 U CN201720063063 U CN 201720063063U CN 206449085 U CN206449085 U CN 206449085U
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- CN
- China
- Prior art keywords
- screw
- screw rod
- nut
- tail
- head
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Abstract
A kind of two-part screw rod, including the second screw, bull stick, first screw, flange bearing, leading screw, screw, screw rod tail, pole, first nut, first screw rod, hollow out, second nut and screw head, the screw head and screw rod tail are respectively provided with external screw thread, second nut is installed on screw head, first screw rod is installed on the second nut, first screw rod upper end is extend into screw rod tail, first screw rod is provided with the second screw, hollow out is provided with screw rod tail, first screw rod upper end is located in hollow out, the first screw is provided with screw rod tail, first screw rod upper end is arranged in the first nut；The utility model has the advantages that：Turning screw rod tail will not be turned whole screw rod, and can adjustment length.
Description
Technical field
The utility model is related to a kind of two-part screw rod, belongs to screw technique field.
Background technology
Screw rod, as one of strength member of plant equipment, is the fixedly connected part in plant equipment, screw design it is good
The bad quality that will directly affect plant equipment, the performance to plant equipment plays conclusive effect, the screw rod of prior art
Screw head and screw rod tail are the structures that is fixed as one so that when screw rod tail is turned by people's imprudence, can make whole screw rod quilt
Turn, influence the security of plant equipment；On the other hand, the screw rod of prior art is all regular length, is not suitable for plant equipment
The mounting hole of upper different depth is used.In order to solve above-mentioned difficulties, it is necessary to which whole spiral shell will not be made by developing a screw rod tail that turns
Bar is turned, and the two-part screw rod of energy adjustment length.
The content of the invention
The purpose of this utility model is to provide a kind of two-part screw rod.
Problem to be solved in the utility model is that the screw rod of prior art turns screw rod tail and can be turned whole screw rod,
And the problem of be unable to adjustment length.
To realize the purpose of this utility model, the technical solution adopted in the utility model is：
A kind of two-part screw rod, including the second screw, bull stick, the first screw, flange bearing, leading screw, screw, screw rod tail
Portion, pole, the first nut, the first screw rod, hollow out, the second nut and screw head, the screw head and screw rod tail are respectively set
Have and the second nut is installed on external screw thread, screw head, the first screw rod is installed on the second nut, the first screw rod upper end extend into screw rod
In afterbody, the first screw rod, which is provided with the second screw, screw rod tail, is provided with hollow out, and the first screw rod upper end is located in hollow out, screw rod
The first screw is provided with afterbody, the first screw rod upper end is arranged in the first nut, and the first nut each side installs pole, branch
Bar is arranged on screw side, and screw is arranged on leading screw, and leading screw upper and lower ends are respectively arranged on flange bearing, and flange bearing is installed
In screw rod tail, leading screw upper end is stretched into outside screw rod tail, and bull stick is installed on leading screw.
The screw rod tail is identical with the diameter of screw head, and screw rod tail is identical with the external thread structure of screw head.
The utility model has the advantages that：Bull stick is rotated, leading screw is rotated, moves up and down screw, make above and below the first nut
It is mobile, the first nut is moved down with the first screw rod, move down the second nut, move down screw head, expand
The entire length of the big screw rod, uses the mounting hole of different depth in the suitable plant equipment of entire length of the screw rod；Will be big
Number screwdriver is inserted into the first screw, and screw rod tail and screw head are inserted in the mounting hole of plant equipment, large size is rotated
Screwdriver, makes screw head and screw rod tail be rotated into the mounting hole of plant equipment, makes screw head and screw rod tail
All it is fixed in mounting hole, because the first screw rod props up the bottom in the second nut, enables screw head with screw rod tail
It is rotated into together in mounting hole；It is inserted into small size screwdriver in the second screw, rotates backward small size screwdriver, makes the first spiral shell
Bar is rotated up, and the first screw rod is screwed out outside the second nut, is mutually disengaged screw head and screw rod tail, when someone rotates spiral shell
During bar afterbody, with regard to screw head can be made together not rotated with screw rod tail, screw head is set not to be unscrewed.
Brief description of the drawings
Fig. 1 is a kind of two-part screw rod overall structure diagram of the utility model；
Fig. 2 is a kind of integrally-built internal structure schematic diagram of two-part screw rod of the utility model；
Fig. 3 is a kind of mounting structure schematic diagram of two-part screw rod of the utility model；
In figure：1st, the second screw 2, bull stick 3, the first screw 4, flange bearing 5, leading screw 6, screw 7, spiral shell
Bar afterbody 8, pole 9, the first nut 10, the first screw rod 11, hollow out 12, the second nut 13, screw head
14th, mounting hole.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
A kind of two-part screw rod of the utility model, including the second screw 1, bull stick 2, the first screw 3, flange bearing 4, leading screw
5th, screw 6, screw rod tail 7, pole 8, the first nut 9, the first screw rod 10, screw 11, the second nut 12 and screw head 13, institute
State screw head 13 and screw rod tail 7 is respectively provided with external screw thread, screw rod tail 7 is identical with the diameter of screw head 13, screw rod tail 7
It is identical with the external thread structure of screw head 13, installed on screw head 13 and install first on second nut 12, the second nut 12
Screw rod 10, the upper end of the first screw rod 10 is extend into screw rod tail 7, and the first screw rod 10 is provided with the second screw 1, uses small size screwdriver
It is inserted into the second screw 1, rotates backward small size screwdriver, rotate up the first screw rod 10, the first screw rod 10 is screwed out the
Outside two nuts 12, it is mutually disengaged screw head 13 and screw rod tail 7, when someone rotates screw rod tail 7, with regard to screw head can be made
Portion 13 will not together be rotated with screw rod tail 7, screw head 13 is not unscrewed, and hollow out, first are provided with screw rod tail 7
The upper end of screw rod 10 is located in hollow out, and the first screw 3 is provided with screw rod tail 7, large size screwdriver is inserted into the first screw 3,
In the mounting hole 14 that screw rod tail 7 and screw head 13 are inserted to plant equipment, large size screwdriver is rotated, makes the He of screw head 13
Screw rod tail 7 is rotated into the mounting hole 14 of plant equipment, screw head 13 and screw rod tail 7 is all fixed on mounting hole
In 14, because the first screw rod 10 props up the bottom in the second nut 12, enable screw head 13 with screw rod tail 7 together by
It is rotated into mounting hole 14；The upper end of first screw rod 10 is arranged in the first nut 9, and the first nut 9 each side installs pole
8, pole 8 is arranged on the side of screw 6, and screw 6 is arranged on leading screw 5, and the upper and lower ends of leading screw 5 are respectively arranged on flange bearing 4, method
Blue bearing 4 is arranged in screw rod tail 7, and the upper end of leading screw 5 is stretched into outside screw rod tail 7, and bull stick 2 is installed on leading screw 5, rotates bull stick 2,
Leading screw 5 is rotated, screw 6 is moved up and down, the first nut 9 is moved up and down, makes the first nut 9 downward with the first screw rod 10
It is mobile, the second nut 12 is moved down, screw head 13 is moved down, expands the entire length of the screw rod, makes the screw rod
Entire length be adapted to the mounting hole 14 of different depth in plant equipment and use.
The utility model application method：Bull stick 2 is rotated, leading screw 5 is rotated, moves up and down screw 6, make the first nut 9
Move up and down, the first nut 9 is moved down with the first screw rod 10, move down the second nut 12, make screw head 13
Move down, expand the entire length of the screw rod, the entire length of the screw rod is adapted to the installation of different depth in plant equipment
Hole 14 is used；Large size screwdriver is inserted into the first screw 3, screw rod tail 7 and screw head 13 are inserted into plant equipment
In the mounting hole 14 of plant equipment, large size screwdriver is rotated, screw head 13 and screw rod tail 7 is rotated into plant equipment
Mounting hole 14 in, screw head 13 and screw rod tail 7 is all fixed in mounting hole 14, because the first screw rod 10 props up
Bottom in two nuts 12, enables screw head 13 to be rotated into together in mounting hole 14 with screw rod tail 7；Use small size screw
Knife is inserted into the second screw 1, rotates backward small size screwdriver, rotates up the first screw rod 10, screws out the first screw rod 10
Outside second nut 12, it is mutually disengaged screw head 13 and screw rod tail 7, when someone rotates screw rod tail 7, with regard to screw rod can be made
Head 13 will not together rotate with screw rod tail 7, screw head 13 is not unscrewed.
Claims (2)
1. a kind of two-part screw rod, including the second screw（1）, bull stick（2）, the first screw（3）, flange bearing（4）, leading screw（5）、
Screw（6）, screw rod tail（7）, pole（8）, the first nut（9）, the first screw rod（10）, hollow out（11）, the second nut（12）With
Screw head（13）, it is characterized in that：The screw head（13）And screw rod tail（7）It is respectively provided with external screw thread, screw head（13）
The second nut of upper installation（12）, the second nut（12）The first screw rod of upper installation（10）, the first screw rod（10）Upper end extend into screw rod
Afterbody（7）It is interior, the first screw rod（10）It is provided with the second screw（1）, screw rod tail（7）It is interior to be provided with hollow out（11）, the first screw rod
（10）Upper end is located at hollow out（11）It is interior, screw rod tail（7）Inside it is provided with the first screw（3）, the first screw rod（10）Upper end is arranged on the
One nut（9）It is interior, the first nut（9）Pole is each side installed（8）, pole（8）Installed in screw（6）Sideways, screw（6）
Installed in leading screw（5）On, leading screw（5）Upper and lower ends are respectively arranged on flange bearing（4）On, flange bearing（4）Installed in screw rod tail
Portion（7）It is interior, leading screw（5）Screw rod tail is stretched into upper end（7）Outside, leading screw（5）Upper installation bull stick（2）.
2. a kind of two-part screw rod according to claim 1, it is characterized in that：The screw rod tail（7）And screw head
（13）Diameter it is identical, screw rod tail（7）And screw head（13）External thread structure it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720063063.0U CN206449085U (en) | 2017-01-19 | 2017-01-19 | A kind of two-part screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720063063.0U CN206449085U (en) | 2017-01-19 | 2017-01-19 | A kind of two-part screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206449085U true CN206449085U (en) | 2017-08-29 |
Family
ID=59666692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720063063.0U Active CN206449085U (en) | 2017-01-19 | 2017-01-19 | A kind of two-part screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206449085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255789A (en) * | 2020-03-26 | 2020-06-09 | 鹿滔 | Bolt with changeable thread area |
-
2017
- 2017-01-19 CN CN201720063063.0U patent/CN206449085U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255789A (en) * | 2020-03-26 | 2020-06-09 | 鹿滔 | Bolt with changeable thread area |
| CN111255789B (en) * | 2020-03-26 | 2021-11-19 | 台州远拓机械股份有限公司 | Bolt with changeable thread area |
| CN113898654A (en) * | 2020-03-26 | 2022-01-07 | 鹿滔 | Use method of bolt with changeable threaded area |
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| GR01 | Patent grant |