CN205117952U - Double screw rods - Google Patents
Double screw rods Download PDFInfo
- Publication number
- CN205117952U CN205117952U CN201520797350.5U CN201520797350U CN205117952U CN 205117952 U CN205117952 U CN 205117952U CN 201520797350 U CN201520797350 U CN 201520797350U CN 205117952 U CN205117952 U CN 205117952U
- Authority
- CN
- China
- Prior art keywords
- bearing
- screw rod
- nut
- rotation shaft
- damping rotation
- 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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- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a double screw rods, belong to screw rod technical field, including first screw rod, first nut, first bearing, the first end, first damping pivot, the round pin axle, the elastic band, the separation blade, the bolt, second damping pivot, the second end, the second bearing, the second nut, the second screw rod, fisheye bearing, the switch, cylinder and connecting axle, first damping pivot is installed in the first end, the first end right side is equipped with first fretwork, the winding was in first damping pivot after the elastic band left end stretched into the first end from first fretwork, second damping pivot is installed in the second end, the second end left side is equipped with the second fretwork, the winding was in second damping pivot after the elastic band right -hand member stretched into the second end from the second fretwork, the utility model has the advantages that: can loosely not drop.
Description
Technical field
The utility model relates to a kind of twin-screw, belongs to screw technique field.
Background technique
Screw rod is as one of the strength member of machinery, and be the fixed connecting piece in machinery, the quality of screw design will directly affect the quality of machinery, plays conclusive effect to the performance of machinery.The machinery screw rod of prior art is all used alone, and owing to not being implicative of each other between screw rod and screw rod, such that screw rod is easily loose to come off, and then component are connected built on the sand with machinery.In order to solve above-mentioned difficulties, need to develop a twin-screw that can not loosely come off.
Summary of the invention
The purpose of this utility model is to provide a kind of twin-screw.
Problem to be solved in the utility model is the machinery screw rod easily loose problem come off of prior art.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of twin-screw, comprises the first screw rod, first nut, clutch shaft bearing, first end, first Damping rotation shaft, bearing pin, spring band, catch, bolt, second Damping rotation shaft, the second end, second bearing, second nut, second screw rod, flake bearing, switch, cylinder and coupling shaft, described first Damping rotation shaft is arranged in first end, the first hollow out is provided with on the right side of first end, spring band left end extend into after first end from the first hollow out and is wrapped in the first Damping rotation shaft, second Damping rotation shaft is arranged in the second end, the second hollow out is provided with on the left of the second end, spring band right-hand member extend into after the second end from the second hollow out and is wrapped in the second Damping rotation shaft, first end lower end is connected by articulated elements with the second end lower end, on the right side of first end, two bearing pins are installed, catch is arranged on bearing pin, catch right-hand member construction bolt, catch is fixed on the left of the second end by bolt, respectively flake bearing is installed under first end and the second end, under flake bearing, coupling shaft is installed, under cylinder is arranged on two coupling shafts, cylinder wall installs switch, on the left of first end, clutch shaft bearing is installed, clutch shaft bearing is installed the first nut, first nut is installed the first screw rod, second bearing is installed on the right side of the second end, second bearing is installed the second nut, second nut is installed the second screw rod.
Described cylinder internal solenoid valve, solenoid valve is connected with switch by wire.
The utility model has the advantages that: looser a bolt, by passage or the power-off of switch control rule cylinder internal solenoid valve, make the piston rod of cylinder do fore and aft motion, regulate the angle between first end and the second end, and then regulate the angle between the first screw rod and the second screw rod; Tight a bolt, make between first end and the second end more firm; Under the effect of the first Damping rotation shaft and the second Damping rotation shaft, spring band can stretch along with the distance of first end and the second end, makes between first end and the second end more firm; First nut and the second nut are rotated, the first screw rod and the second screw rod is rotated, makes in the screw in the first screw rod and the second screw rod precession machinery; When machinery is vibrated, when making the first screw rod occur to loosen, because the second screw rod is still inserted on the screw of machinery, the first screw rod would not be run out of outside the screw of machinery, make the connection of machinery and component more firm.
Accompanying drawing explanation
Fig. 1 is a kind of twin-screw overall structure figure of the utility model;
In figure: 1, the first screw rod 2, first nut 3, clutch shaft bearing 4, first end 5, first Damping rotation shaft 6, bearing pin 7, spring band 8, catch 9, bolt 10, second Damping rotation shaft 11, the second end 12, second bearing 13, second nut 14, second screw rod 15, flake bearing 16, switch 17, cylinder 18, coupling shaft.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
A kind of twin-screw of the utility model, comprise the first screw rod 1, first nut 2, clutch shaft bearing 3, first end 4, first Damping rotation shaft 5, bearing pin 6, spring band 7, catch 8, bolt 9, second Damping rotation shaft 10, the second end 11, second bearing 12, second nut 13, second screw rod 14, flake bearing 15, switch 16, cylinder 17 and coupling shaft 18, described first Damping rotation shaft 5 is arranged in first end 4, the first hollow out is provided with on the right side of first end 4, spring band 7 left end extend into after first end 4 from the first hollow out and is wrapped in the first Damping rotation shaft 5, second Damping rotation shaft 10 is arranged in the second end 11, the second hollow out is provided with on the left of the second end 11, spring band 7 right-hand member extend into after the second end 11 from the second hollow out and is wrapped in the second Damping rotation shaft 10, under the effect of the first Damping rotation shaft 5 and the second Damping rotation shaft 10, spring band 7 can stretch along with the distance of first end 4 and the second end 11, make between first end 4 and the second end 11 more firm, first end 4 lower end is connected by articulated elements with the second end 11 lower end, on the right side of first end 4, two bearing pins 6 are installed, catch 8 is arranged on bearing pin 6, catch 8 right-hand member construction bolt 9, catch 8 is fixed on the left of the second end 11 by bolt 9, tight a bolt 9, make between first end 4 and the second end 11 more firm, first end 4 and the second end respectively install flake bearing 15 11 times, flake bearing installs coupling shaft 18 15 times, cylinder 17 is arranged on two coupling shafts 18 times, cylinder 17 internal solenoid valve, solenoid valve is connected with switch 16 by wire, switch 16 installed by cylinder 17 wall, looser a bolt 9, by passage or the power-off of switch 16 control cylinder 17 internal solenoid valve, the piston rod of cylinder 17 is made to do fore and aft motion, regulate the angle between first end 4 and the second end 11, and then regulate the angle between the first screw rod 1 and the second screw rod 14, clutch shaft bearing 3 is installed on the left of first end 4, clutch shaft bearing 3 is installed the first nut 2, first nut 2 is installed the first screw rod 1, second bearing 12 is installed on the right side of the second end 11, second bearing 12 is installed on the second nut 13, second nut 13 and second screw rod 14 is installed, the first nut 2 and the second nut 13 are rotated, first screw rod 1 and the second screw rod 14 are rotated, makes in the screw in the first screw rod 1 and the second screw rod 14 precession machinery, when machinery is vibrated, when making the first screw rod 1 occur to loosen, because the second screw rod 14 is still inserted on the screw of machinery, the first screw rod 1 would not be run out of outside the screw of machinery, make the connection of machinery and component more firm.
The utility model using method: looser a bolt 9, by passage or the power-off of switch 16 control cylinder 17 internal solenoid valve, make the piston rod of cylinder 17 do fore and aft motion, regulate the angle between first end 4 and the second end 11, and then regulate the angle between the first screw rod 1 and the second screw rod 14; Tight a bolt 9, make between first end 4 and the second end 11 more firm; Under the effect of the first Damping rotation shaft 5 and the second Damping rotation shaft 10, spring band 7 can stretch along with the distance of first end 4 and the second end 11, makes between first end 4 and the second end 11 more firm; First nut 2 and the second nut 13 are rotated, the first screw rod 1 and the second screw rod 14 are rotated, make in the screw in the first screw rod 1 and the second screw rod 14 precession machinery; When machinery is vibrated, when making the first screw rod 1 occur to loosen, because the second screw rod 14 is still inserted on the screw of machinery, the first screw rod 1 would not be run out of outside the screw of machinery, make the connection of machinery and component more firm.
Claims (2)
1. a twin-screw, comprise the first screw rod (1), first nut (2), clutch shaft bearing (3), first end (4), first Damping rotation shaft (5), bearing pin (6), spring band (7), catch (8), bolt (9), second Damping rotation shaft (10), the second end (11), second bearing (12), second nut (13), second screw rod (14), flake bearing (15), switch (16), cylinder (17) and coupling shaft (18), it is characterized in that: described first Damping rotation shaft (5) is arranged in first end (4), first end (4) right side is provided with the first hollow out, spring band (7) left end extend into after first end (4) from the first hollow out and is wrapped in the first Damping rotation shaft (5), second Damping rotation shaft (10) is arranged in the second end (11), the second end (11) left side is provided with the second hollow out, spring band (7) right-hand member extend into after the second end (11) from the second hollow out and is wrapped in the second Damping rotation shaft (10), first end (4) lower end is connected by articulated elements with the second end (11) lower end, two bearing pins (6) are installed on first end (4) right side, catch (8) is arranged on bearing pin (6), catch (8) right-hand member construction bolt (9), catch (8) is fixed on the second end (11) left side by bolt (9), respectively flake bearing (15) is installed under first end (4) and the second end (11), coupling shaft (18) is installed under flake bearing (15), under cylinder (17) is arranged on two coupling shafts (18), cylinder (17) wall is installed switch (16), clutch shaft bearing (3) is installed in first end (4) left side, upper installation first nut (2) of clutch shaft bearing (3), upper installation first screw rod (1) of first nut (2), the second bearing (12) is installed on the second end (11) right side, upper installation second nut (13) of second bearing (12), upper installation second screw rod (14) of second nut (13).
2. a kind of twin-screw according to claim 1, is characterized in that: described cylinder (17) internal solenoid valve, and solenoid valve is connected with switch (16) by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797350.5U CN205117952U (en) | 2015-10-16 | 2015-10-16 | Double screw rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797350.5U CN205117952U (en) | 2015-10-16 | 2015-10-16 | Double screw rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117952U true CN205117952U (en) | 2016-03-30 |
Family
ID=55573567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520797350.5U Expired - Fee Related CN205117952U (en) | 2015-10-16 | 2015-10-16 | Double screw rods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205117952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150768A (en) * | 2017-12-21 | 2018-06-12 | 重庆轩腾科技有限公司 | A kind of equipment for being used to support camera |
| CN112460122A (en) * | 2020-12-01 | 2021-03-09 | 联合创利五金科技江苏有限公司 | Fastening bolt with angle adjusting mechanism |
-
2015
- 2015-10-16 CN CN201520797350.5U patent/CN205117952U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150768A (en) * | 2017-12-21 | 2018-06-12 | 重庆轩腾科技有限公司 | A kind of equipment for being used to support camera |
| CN112460122A (en) * | 2020-12-01 | 2021-03-09 | 联合创利五金科技江苏有限公司 | Fastening bolt with angle adjusting mechanism |
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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: 20160330 Termination date: 20161016 |