CN2787937Y - Screw rod dust prevention structure - Google Patents
Screw rod dust prevention structure Download PDFInfo
- Publication number
- CN2787937Y CN2787937Y CNU2005200160327U CN200520016032U CN2787937Y CN 2787937 Y CN2787937 Y CN 2787937Y CN U2005200160327 U CNU2005200160327 U CN U2005200160327U CN 200520016032 U CN200520016032 U CN 200520016032U CN 2787937 Y CN2787937 Y CN 2787937Y
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- CN
- China
- Prior art keywords
- screw rod
- axial
- screw
- sectional material
- section bar
- 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 - Lifetime
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Abstract
The utility model relates to a screw rod dust prevention structure, which comprises an aluminium sectional material, a screw rod driving device and a sealing hair brush, wherein the middle part of the aluminium sectional material is provided with an axial through hole, and the bottom of the aluminium sectional material is provided with an axial long groove which is communicated with the axial through hole; the screw rod driving device is positioned in the axial through hole of the aluminium sectional material, and screw rod driving device comprises a screw nut, a screw rod, a hanging seat which is fixedly connected with the screw nut, a short shaft for supporting the hanging seat, and a roller, wherein the hanging seat is penetrated through the axial long groove of the aluminium sectional material; the sealing hair brush is axially fixed at both sides of the axial through hole at the bottom of the aluminium sectional material. According to the structure, because the screw rod driving device can be completely built in the aluminium sectional material, and the lower part of the screw rod driving device can be sealed by the sealing hair brush, so that the probability that dust enters in the axial through hole of the aluminium sectional material is reduced and the friction which is generated when the screw nut and the screw rod in relative motion is decreased. The utility model has the advantages of depressed abrasion, long service life of the screw rod driving device and low maintenance cost. Simultaneously, noise which is generated because of the transmission of the screw rod and the screw nut can be isolated.
Description
Technical field
The utility model relates to a kind of leading screw dustproof construction that is used for subway, light rail vehicle, dynamo-electric accessory, door device etc.
Background technique
Lead-screw drive mechanism is a kind of kind of drive of employing such as subway, light rail car door now, existing lead-screw drive mechanism, its leading screw partly exposes, and does not take any dust prevention, and the long-time easily long-pending knot of back dust that uses is on leading screw, when screw and leading screw relative movement, make friction increase, wearing and tearing are accelerated, and noise increases, influence the working life of leading screw, increase maintenance cost.This creator actively makes great efforts research, through research and development with great concentration, invents out the utility model of true tool practical effect and industrial utilization finally.
Summary of the invention
The purpose of this utility model provides a kind of leading screw working life of can prolonging, and reduces ambient noise and reduces the leading screw dustproof construction of maintenance cost.
For achieving the above object, the utility model is taked following design proposal: a kind of leading screw dustproof construction, and it is characterized in that: it comprises:
Aluminium section bar, described aluminium section bar middle part has an axial hole, and described aluminium section bar bottom offers an axial elongated slot that is connected with described axial hole;
Lead screw gear, it is positioned at described aluminium section bar axial hole, and described lead screw gear comprises: screw, leading screw, the flap seat of fixedlying connected with described screw and minor axis that supports described flap seat and roller, described flap seat is piercing in the axial elongated slot of described aluminium section bar.
Both sides at described aluminium section bar bottom axial hole are fixed with the sealing hairbrush vertically.
The utility model has the advantages that: the utility model leading screw dustproof construction, it comprises: aluminium section bar, the aluminium section bar middle part has an axial hole, and the aluminium section bar bottom offers an axial elongated slot that is connected with axial hole; Lead screw gear, it is positioned at the aluminium section bar axial hole, and lead screw gear comprises: the minor axis and the roller of screw, leading screw, the flap seat of fixedlying connected and support flap seat with screw, flap seat is piercing in the axial elongated slot of aluminium section bar; Both sides at aluminium section bar bottom axial hole are fixed with the sealing hairbrush vertically.As from the foregoing, by lead screw gear being built in fully in the aluminium section bar, the sealing of sealing hairbrush is adopted in the bottom, make the probability of the aluminium section bar axial hole that dust enters reduce greatly, compared with prior art, the friction when having reduced screw and leading screw relative movement, reduce wearing and tearing, increased the working life of lead screw gear, reduced maintenance cost, simultaneously the noise of leading screw screw transmission has been isolated.
Description of drawings
Fig. 1 is the utility model structural representation
Embodiment
As shown in Figure 1, a kind of leading screw dustproof construction of the utility model, it is characterized in that: it comprises:
Aluminium section bar 1, aluminium section bar 1 middle part has an axial hole 2, and aluminium section bar 1 bottom offers an axial elongated slot 3 that is connected with axial hole 2;
Lead screw gear 4, it is positioned at aluminium section bar axial hole 2, and lead screw gear 4 comprises: the minor axis 8 and the roller 9 of screw 5, leading screw 6, the flap seat 7 of fixedlying connected with screw 5 and support flap seat 7, flap seat 7 is piercing in aluminium section bar 1 axial elongated slot 3.
Be fixed with two row's sealing hairbrush, 10, two row's sealing hairbrush, 10 heads vertically contacts in the both sides of aluminium section bar bottom axial hole 2.
As from the foregoing, by lead screw gear 4 being built in fully in the aluminium section bar 1,10 sealings of sealing hairbrush are adopted in the bottom, make the probability of the aluminium section bar axial hole 2 that dust enters reduce greatly, compared with prior art, the friction when having reduced screw 5 and leading screw 6 relative movement, reduce wearing and tearing, increased the working life of lead screw gear 4, reduced maintenance cost, simultaneously the noise of leading screw 6 screws 5 transmissions has been isolated.
The above;, be not that attempt is done any pro forma restriction to the utility model according to this, only so every under the creation spirit of the utility model for being used for explaining the preferred embodiment of the utility model; any modification or the change done all must belong to the scope that the utility model is intended to protection.
Claims (2)
1, a kind of leading screw dustproof construction, it is characterized in that: it comprises:
Aluminium section bar, described aluminium section bar middle part has an axial hole, and described aluminium section bar bottom offers an axial elongated slot that is connected with described axial hole;
Lead screw gear, it is positioned at described aluminium section bar axial hole, and described lead screw gear comprises: screw, leading screw, the flap seat of fixedlying connected with described screw and minor axis that supports described flap seat and roller, described flap seat is piercing in the axial elongated slot of described aluminium section bar.
2, leading screw dustproof construction as claimed in claim 1 is characterized in that: be fixed with two row's sealing hairbrush vertically in the both sides of described aluminium section bar bottom axial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200160327U CN2787937Y (en) | 2005-04-14 | 2005-04-14 | Screw rod dust prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200160327U CN2787937Y (en) | 2005-04-14 | 2005-04-14 | Screw rod dust prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2787937Y true CN2787937Y (en) | 2006-06-14 |
Family
ID=36786232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200160327U Expired - Lifetime CN2787937Y (en) | 2005-04-14 | 2005-04-14 | Screw rod dust prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2787937Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388810A (en) * | 2011-07-21 | 2012-03-28 | 西安交通大学医学院第二附属医院 | Intermittent hypoxia rat model for children obstructive sleep apnea hypopnea syndrome |
| CN112413055A (en) * | 2020-10-16 | 2021-02-26 | 苏州创轩激光科技有限公司 | Section bar commutator and manufacturing method thereof |
-
2005
- 2005-04-14 CN CNU2005200160327U patent/CN2787937Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388810A (en) * | 2011-07-21 | 2012-03-28 | 西安交通大学医学院第二附属医院 | Intermittent hypoxia rat model for children obstructive sleep apnea hypopnea syndrome |
| CN112413055A (en) * | 2020-10-16 | 2021-02-26 | 苏州创轩激光科技有限公司 | Section bar commutator and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102627 Beijing Daxing Industrial Development Zone Guangyang Avenue No. 6 Patentee after: Beijing Bode Transportation Equipment Co., Ltd. Address before: 102627 Beijing Daxing Industrial Development Zone Guangyang Avenue No. 6 Patentee before: Beijing Bode Transportation Equipment Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150414 Granted publication date: 20060614 |