CN203126787U - Internal-link wiper arm - Google Patents
Internal-link wiper arm Download PDFInfo
- Publication number
- CN203126787U CN203126787U CN 201320120749 CN201320120749U CN203126787U CN 203126787 U CN203126787 U CN 203126787U CN 201320120749 CN201320120749 CN 201320120749 CN 201320120749 U CN201320120749 U CN 201320120749U CN 203126787 U CN203126787 U CN 203126787U
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- arm
- wiper arm
- link
- scraping arm
- scraping
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Abstract
The utility model relates to an internal-link wiper arm for high-speed locomotive wipers. The internal-link wiper mainly comprises a mounting member, a base, a spring component, a link, a lower shell, a connecting tube, a rocker, a case and a frame mandrel part. An internal parallelogram is composed of the rocker, the link, the connecting tube and the mounting member. The length of the wiper arm can be adjusted by changing the length of the connecting tube. A parallelogram rotation part of the wiper arm comprises an oil bearing, so that operation flexibility and high precision of the wiper arm are guaranteed. The wiper arm is connected with an output shaft of a pneumatic motor through small-modulus spur splines, so that the wiper arm can be adjusted in a certain range of mounting. The internal-link wiper arm is simple in structure, flexible to operate and high in reliability, allows the length the wiper arm to be adjusted by changing the length of the connecting tube, is convenient to operate, and enables wiper exterior parts to be more neat and attractive.
Description
Technical field
The utility model relates to the pneumatic windshield wiper of a kind of express locomotive windscreen wiper arm, and particularly a kind of built-in link-type windscreen wiper arm is suitable for the express locomotive windscreen wiper system, relates to mechanical field.
Background technology
At present, the windscreen wiper system of rail locomotive front screen mainly adopts two kinds of windscreen wiper arms of parallelogram formula and single pendulum dynamic formula.Windscreen wiper arm for the parallelogram formula is sayed, it is suitable for the windscreen wiper system that twopiece drive shaft drives, but because manufacturing errors often can cause scraping blade can not be installed in the initial position that windscreen wiper system is set preferably when mounted, it is attractive in appearance to influence driver Xin Hao lookout, observation sight line and car load.And for single pendulum dynamic formula scraping arm, only be suitable for passing on a skill from a master to a single disciple the windscreen wiper system that moving axis drives, and compare parallelogram formula scraping arm, its wiper area is much smaller than the area of parallelogram formula scraping arm institute wiper under the equal parameter.Simultaneously because single pendulum dynamic formula scraping arm is installed the installation of palpus level, can not guarantee that scraping blade becomes fixed angle with ground all the time when the wiper of the left and right sides, and under self gravitation and the dual load of outer work condition, make that single pendulum dynamic formula scraping arm reliability is low, thereby cause the railway security accident.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provide a kind of simple in structure, go slick, the reliability height, and can adjust windscreen wiper arm lengths parameter by change connection length of tube, easy to operate union is closed and is stated the built-in link-type windscreen wiper arm of two kinds of scraping arm characteristics.
The technical solution of the utility model: a kind of built-in link-type windscreen wiper arm is characterized in that:
Described built-in link-type windscreen wiper arm comprises scraping arm fixing body, forked type joint, scraping arm pedestal spring assembly, connecting rod, lower house, water pipe, first quarter moon base, connection pipe, rocker shaft, top cover, bearing, rocking arm, machine box, bottom, brush holder axle, nozzle assembly and guide rod axle;
Described rocking arm, connecting rod, connection pipe, lower house and fixing body are formed built-in parallelogram, wherein can adjust windscreen wiper arm lengths parameter by change connection length of tube, and be easy to operate; This rocking arm is connected with connecting rod by rocker shaft; Brush holder axle and rocking arm adopt general flat key to be combined as a whole; Rocking arm is open flume type, can easily adjust and joins the pipe link position, is parallel position when guaranteeing simultaneously to be connected with the brush holder axle.Bearing is arranged in bottom and the top cover, and bottom and top cover are mounted on the machine box by bolt, and nozzle assembly is by being threaded on the brush holder axle;
Described forked type joint is installed on the scraping arm fixing body by circlip for shaft, and this scraping arm fixing body can easily be adjusted itself and output shaft installation site for the fluting cylindrical structure; Connecting rod is connected by spring cotter with the forked type joint by connecting rod pin, and the scraping arm pedestal is captiveed joint with spring cotter by hinge axis with lower house, and the scraping arm pedestal adopts the forked type structure, and actv. increases the installing space of miscellaneous part; Lower house, connection pipe and machine box are assembled into one by the gummed mode, and described spring assembly is captiveed joint by the guide rod axle with lower house, scraping arm pedestal;
Described first quarter moon base is connected on the connection pipe by self-plugging rivet, and water pipe is connected on the nozzle assembly by the first quarter moon base.Scraping arm parallelogram rotating element adopts graphite oilless sintered-metal bearing, guarantee its go slick and precision higher, scraping arm with adopt close-toothed straight-tooth splined connecting of air motor output shaft, make the setting range that being equipped with of scraping arm is certain.
The utility model adopts built-in parallel-crank mechanism, and namely the secondary bar of scraping arm places mobile jib inside, makes windshield wiper car exterior part cleaner and tidier, attractive in appearance, guarantees that simultaneously scraping blade becomes fixed angle with ground all the time when the wiper of the left and right sides.Scraping arm adopts the high-strength aluminium section bar, has effectively reduced scraping arm weight; Scraping arm parallelogram rotating element adopts graphite oilless sintered-metal bearing, guarantee its go slick and precision higher.
Spring is formed the employing high strength steel, has high-ductility, highly anti-fatigue intensity, and high heat-and corrosion-resistant performance provides power for scraping arm compresses Windshield, has played buffer action for the windscreen wiper system operation simultaneously, has improved reliability and the safety of windscreen wiper arm; Connecting rod adopts aluminum alloy material as built-in parallelogram main part; Lower house adopts the pyramidal structure design as the supporter of whole windscreen wiper arm, and this structure has higher reliability on the one hand, and the connection pipe is closely cooperated with the scraping arm fixing body.The machine box adopts the cavity form, provides enough spaces for brush holder axle and rocking arm are installed, and has also alleviated the weight of whole windscreen wiper arm simultaneously.The connection pipe is the link of lower house and machine box for hollow guide rod, and it can be adjusted according to different windscreen wiper arm lengths parameters, and is easy to operate.
The utility model is simple in structure, go slick, the reliability height, and can adjust windscreen wiper arm lengths parameter by change connection length of tube, and is easy to operate, makes windshield wiper car exterior part cleaner and tidier, attractive in appearance simultaneously.
Description of drawings
Fig. 1 is decomposition texture scheme drawing of the present utility model;
Fig. 2 is windscreen wiper arm and scraping blade, wall-punching axis mounting structure scheme drawing;
Among the figure: 1-scraping arm fixing body, 2-, forked type joint, 3-connecting rod pin, 4-scraping arm pedestal, the 5-hinge axis, 6-spring assembly, 7-, connecting rod, 8-lower house, the 9-water pipe, 10-first quarter moon base, 11-joins pipe, the 12-rocker shaft, 13-top cover, 14-bearing, the 15-rocking arm, 16-machine box, 17-bottom, 18-brush holder axle, 19-nozzle assembly, 20-guide rod axle.
The specific embodiment
With reference to figure 1 and Fig. 2, a kind of built-in link-type windscreen wiper arm is characterized in that: described built-in link-type windscreen wiper arm comprises scraping arm fixing body 1, forked type joint 2, connecting rod pin 3, scraping arm pedestal 4, hinge axis 5, spring assembly 6, connecting rod 7, lower house 8, water pipe 9, first quarter moon base 10, connection pipe 11, rocker shaft 12, top cover 13, bearing 14, rocking arm 15, machine box 16, bottom 17, brush holder axle 18, nozzle assembly 19 and guide rod axle 20;
Described rocking arm 15, connecting rod 7, connection pipe 11, lower house 8 and fixing body 1 are formed built-in parallelogram, wherein can pass through change connection pipe 11 length adjustment windscreen wiper arm lengths parameters, and be easy to operate; This rocking arm 15 is connected with connecting rod 7 by rocker shaft 12; Brush holder axle 18 adopts general flat key to be combined as a whole with rocking arm 15; Rocking arm 15 is open flume type, can easily adjust and joins the pipe link position, is parallel position when guaranteeing simultaneously to be connected with brush holder axle 18.Bearing 14 is arranged in bottom 17 and the top cover 13, and bottom 17 and top cover 13 are mounted on the machine box 16 by bolt, and nozzle assembly 19 is by being threaded on the brush holder axle 18;
Described forked type joint 2 is installed on the scraping arm fixing body 1 by circlip for shaft, and this scraping arm fixing body 1 is the fluting cylindrical structure, can easily adjust itself and output shaft installation site; Connecting rod 7 is connected by spring cotter by connecting rod pin 3 and forked type joint 2, and scraping arm pedestal 4 is captiveed joint with spring cotter by hinge axis 5 with lower house 8, scraping arm pedestal 4 employing forked type structures, the installing space of actv. increase miscellaneous part; Lower house 8, connection pipe 11 and machine box 16 are assembled into one by the gummed mode;
Described spring assembly 6 is captiveed joint by guide rod axle 20 with lower house 8, scraping arm pedestal 4;
Described first quarter moon base 10 is connected on the connection pipe 11 by self-plugging rivet, and water pipe 9 is connected on the nozzle assembly 19 by first quarter moon base 10.Scraping arm parallelogram rotating element adopts graphite oilless sintered-metal bearing, guarantee its go slick and precision higher, scraping arm with adopt close-toothed straight-tooth splined connecting of air motor output shaft, make the setting range that being equipped with of scraping arm is certain.
Scraping arm and scraping blade connect as one by bolt.Scraping arm and output shaft mounting means: built-in link-type scraping arm is connected with the spline form with the driving output shaft with scraping arm pedestal 4 by scraping arm fixing body 1, adopts socket bolt fastening base 4 and output shaft junction.Because scraping arm connects with adopting close-toothed straight-tooth spline being connected of driving, makes the setting range that being equipped with of scraping arm is certain, actv. guarantee that scraping arm can be installed in the initial position of setting preferably.Under the situation that drives normal operation, output shaft drives scraping arm, scraping blade swings, and realizes removing rainwater, snow and dust on glass, plays the purpose in the clear driver visual field.
Claims (1)
1. built-in link-type windscreen wiper arm is characterized in that:
A, described built-in link-type windscreen wiper arm comprise that the physical construction of scraping arm fixing body (1), forked type joint (2), scraping arm pedestal (4), spring assembly (6), connecting rod (7), lower house (8), water pipe (9), first quarter moon base (10), connection pipe (11), rocker shaft (12), top cover (13), bearing (14), rocking arm (15), machine box (16), bottom (17), brush holder axle (18), nozzle assembly (19) and guide rod axle (20) scraping arm adopts built-in parallel-crank mechanism, and namely the secondary bar of scraping arm places mobile jib inside;
B, described rocking arm (15), connecting rod (7), connection pipe (11), lower house (8) and fixing body (1) are formed built-in parallelogram, and this rocking arm (15) is connected with connecting rod (7) by rocker shaft (12); Brush holder axle (18) adopts general flat key to be combined as a whole with rocking arm (15); Bearing (14) is arranged in bottom (17) and the top cover (13), and bottom (17) and top cover (13) are mounted on the machine box (16) by bolt, and nozzle assembly (19) is by being threaded on the brush holder axle (18);
C, described forked type joint (2) are installed on the scraping arm fixing body (1) by circlip for shaft, connecting rod (7) is connected by spring cotter with forked type joint (2) by connecting rod pin (3), scraping arm pedestal (4) is captiveed joint with spring cotter by hinge axis (5) with lower house (8), lower house (8), connection pipe (11) and machine box (16) are assembled into one by the gummed mode
Described spring assembly (6) is captiveed joint by guide rod axle (20) with lower house (8), scraping arm pedestal (4);
D, described first quarter moon base (10) are connected on the connection pipe (11) by self-plugging rivet, and water pipe (9) is connected on the nozzle assembly (19) by first quarter moon base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120749 CN203126787U (en) | 2013-03-18 | 2013-03-18 | Internal-link wiper arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120749 CN203126787U (en) | 2013-03-18 | 2013-03-18 | Internal-link wiper arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203126787U true CN203126787U (en) | 2013-08-14 |
Family
ID=48934795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320120749 Expired - Lifetime CN203126787U (en) | 2013-03-18 | 2013-03-18 | Internal-link wiper arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203126787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554171A (en) * | 2013-10-24 | 2015-04-29 | 北汽福田汽车股份有限公司 | Windscreen wiper and vehicle |
-
2013
- 2013-03-18 CN CN 201320120749 patent/CN203126787U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554171A (en) * | 2013-10-24 | 2015-04-29 | 北汽福田汽车股份有限公司 | Windscreen wiper and vehicle |
| CN104554171B (en) * | 2013-10-24 | 2016-09-07 | 北汽福田汽车股份有限公司 | Wiper and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |