CN210707312U - Windscreen wiper cylinder - Google Patents

Abstract

The utility model discloses a windscreen wiper cylinder relates to locomotive wiper technical field, and this windscreen wiper cylinder includes cylinder mounting panel, back shroud, O type sealing washer, position sensor and two five-way solenoid valves etc. the utility model discloses a positive nut locking mode can prevent effectively that the host computer is not hard up, and its waterproof, locking effect are showing, simultaneously, are provided with adjusting screw in the bottom and can compensate mechanical wear. The wiper cylinder assembly has the advantages of long service life, good sealing performance and the like, and can avoid the phenomenon that rainwater caused by the sealing structure of the wiper enters the circuit of an electric appliance in a vehicle to be insulated and reduced or grounded.

Description

Windscreen wiper cylinder

Technical Field

The utility model relates to a locomotive wiper technical field especially relates to a windscreen wiper cylinder.

Background

The wiper system is installed on the windshield of the locomotive, and can clear away rainwater and other shelters (such as insects, mud, snow and the like) on the windshield when needed so as to obtain a clear visual field and ensure the driving safety. Whether the locomotive windscreen wiper can work normally and reliably has certain influence on lookout of drivers and timely mastering the line condition, particularly on the existence of obstacles in front of a mountain road and the high-speed and safe running of the locomotive. The pneumatic window wiper adopted on the existing locomotive often has the problems of untight sealing of the locomotive window wiper, no resetting of the wiper arm and the like due to rusting of a cylinder rack and damage of a leather cup in the actual application process, and particularly, the service life of the window wiper is reduced because the gear rack cannot be adjusted and compensated after being abraded.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a two backup detection windscreen wiper cylinders, two detection windscreen wiper cylinders can the timesharing start simultaneous working, make the camera of splitting start relay have had the function of two backups, control output windscreen wiper cylinder self-checking, simultaneously, can be through optimizing the requirement of delay time in order to adapt to different locomotives, improved the application quality of locomotive, stop owing to split the camera start relay trouble and the locomotive trouble that arouses.

The utility model discloses an above-mentioned problem is solved to following technical means:

the utility model provides a windscreen wiper cylinder is including being used for driving the wobbling gear assembly of windscreen wiper, being used for driving the rotatory cylinder body of gear assembly, installing at the cylinder of cylinder body both sides, being used for the cylinder cap of sealed cylinder, setting at the inside piston of cylinder and be used for controlling two five-way solenoid valve of piston motion, wherein: the middle section of the driving gear assembly is sleeved with a driving gear, the driving gear is provided with a driving rack in a matching way, two ends of the driving rack are respectively connected with a left piston and a right piston, the bottom of the driving rack is provided with a planar linear bearing, and the height of the planar linear bearing is adjusted through an adjusting screw; the input end of the two-position five-way electromagnetic valve is connected with high-pressure gas, and the output end of the two-position five-way electromagnetic valve is respectively communicated with the insides of the left cylinder and the right cylinder through a hose and a fourth quick connector.

Preferably, still include cylinder buffer and snap ring, the cylinder buffer passes through the spacing installation of snap ring in cylinder body and cylinder junction, and the cylinder buffer is elastic material and is used for the motion impact force of buffering piston.

Preferably, the gas-liquid separator further comprises an O-shaped sealing ring, wherein the O-shaped sealing ring is arranged on the piston and is used for sealing high-pressure gas.

Preferably, the gear assembly further comprises a position sensor, the position sensor is mounted at the tail of the gear assembly, and the position sensor is a photoelectric sensor used for detecting the position of the driving gear.

Preferably, still include lock nut, lock nut installs on the outer axle end of windscreen wiper cylinder, and lock nut cooperation bottom rubber seal can realize the inside whole seal of windscreen wiper cylinder.

The utility model discloses a windscreen wiper cylinder has following beneficial effect:

⑴ the waterproof sealing performance of the product and the car body is enhanced, the sealing of the current other manufacturers and the car body adopts the side-fastening waterproof mode, because the sealing ring and the packing force mode of the car body are naturally compressed, the glue is needed to remedy, the cracking phenomenon appears after 1 year of use, under the state of high-speed operation, the rainwater permeates the inside of the car body from the installation gap of the wiper main shaft and the car body under the effect of wind force, there is the hidden trouble of causing the insulation decline of the electric circuit or the grounding, and the utility model discloses a waterproof mode is that the sealing ring in the waterproof cover continuously receives the locking force of the nut by adopting the mode of the fastening nut, the rainwater is well stopped from entering the inside of the car body, thereby the rainwater caused by the sealing structure of the wiper is reduced and the insulation of the electric circuit in.

⑵ the inner lubrication and waterproof performance of the main shaft of the window wiper is enhanced, the original vehicle product has no grease, is easy to generate dry grinding, and is easy to cause the main shaft to be fixed and seep water.

⑶, the dust-proof protection of the internal components of the wiper is added, the dust-proof cover and the sealing wire-passing rubber ring are designed on the back cover of the wiper host, thereby effectively preventing the dust in the vehicle from entering the wiper host, and the dust-proof cover well avoids the phenomena of the reduction of the induction sensitivity and the failure fault caused by the accumulation of the dust on the Hall element, thereby protecting the reliability of the grating Hall sensing element.

⑷ the inner seal ring of the cylinder barrel adopts a star-shaped seal ring, and the seal ring has the characteristics of long service life, good sealing effect and the like.

⑸ the wiper cylinder is designed in a square shape, and the design size of the wiper cylinder is more in line with human engineering and easy to maintain.

⑹ the wiper cylinder adopts a mature two-position five-way electromagnetic valve, thus omitting the air path of the original pneumatic wiper cylinder and ensuring the performance of the product to be more stable and reliable.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic view of a first structure inside a wiper cylinder of the present invention;

FIG. 2 is a second schematic structural view of the interior of the wiper cylinder of the present invention;

FIG. 3 is a schematic view of a first structure outside the wiper cylinder of the present invention;

FIG. 4 is a second structural schematic view of the exterior of the wiper cylinder of the present invention;

fig. 5 is a schematic view of a third structure outside the wiper cylinder of the present invention.

Wherein, 1-gear assembly, 2-cylinder body, 3-plane linear bearing, 4-cylinder buffer, 5-piston, 6-cylinder cover, 7-cylinder mounting plate, 8-rear cover plate, 9-first quick connector, 10-second quick connector, 11-two-position five-way electromagnetic valve, 12-third quick connector, 13-cylinder mounting plate, 14-aviation plug mounting plate, 15-position sensor, 16-first screw, 17-second screw, 18-aviation plug, 19-steel column, 20-third screw, 21-fourth screw, 22-hose, 23-adjusting screw, 24-label, 25-number, 26-O type sealing ring, 26-plane linear bearing, 3-cylinder buffer, 5-piston, 6-cylinder cover, 3-cylinder mounting plate, 8-rear cover plate, 9-first screw, 10-second screw, 11-two-position five-, 27-a fourth quick connector, 28-a snap ring, 29-a cylinder barrel and 30-an oil filler hole.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "edge", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, and a particular orientation configuration and operation, and therefore, should not be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in detail with reference to the accompanying drawings.

In the prior art, a pneumatic wiper consists of a pneumatic wiping system and a pneumatic spraying system, and the pneumatic wiping system consists of a wiping part and a wiper cylinder. The wiper part consists of a wiper arm and wiper blades, and the wiper cylinder comprises a pneumatic motor (cylinder component), a reversing valve, a control valve and the like.

The utility model discloses an improvement that the design focus lies in the windscreen wiper cylinder is specifically as shown in FIG. 1 and FIG. 2, this windscreen wiper cylinder is including being used for driving windscreen wiper wobbling gear assembly 1, being used for driving 1 rotatory cylinder body 2 of gear assembly, installing at the cylinder 29 of 2 both sides of cylinder body, being used for the cylinder cap 6 of sealed cylinder 29, setting at the inside piston 5 of cylinder 29 and being used for controlling two five-way solenoid valve 11 of 5 movements of piston, wherein: a driving gear is sleeved at the middle section of the driving gear assembly 1, a driving rack is installed in a matched manner on the driving gear, two ends of the driving rack are respectively connected with the left piston 5 and the right piston 5, a planar linear bearing 3 is arranged at the bottom of the driving rack, and the height of the planar linear bearing 3 is adjusted through an adjusting screw 23; the input end of the two-position five-way electromagnetic valve 11 is connected with high-pressure gas, and the output end of the two-position five-way electromagnetic valve 11 is respectively communicated with the insides of the left cylinder 29 and the right cylinder 29 through a hose 22 and a fourth quick connector 27.

In particular, the gear assembly 1 has a major axis, which is located inside the cylinder 2 and has a rack and pinion, and the major axis is located at the outer end of the cylinder 2 and has a swing pinion, which drives the wiper arm to move. The rack can be driven by the left piston 5 and the right piston 5 to do linear reciprocating motion, and it should be specially explained that the bottom of the rack is in contact with the top of the adjusting screw 23, and the height of the rack can be adjusted by the adjusting screw 23 to compensate for mechanical abrasion. Meanwhile, the problem of coaxiality between two piston cylinders is solved, and the piston is prevented from being held hard when performing linear reciprocating motion in the cylinder, so that the sealing performance of the piston is ensured.

In fig. 1, the piston type air cylinder further comprises an air cylinder buffer 4, a snap ring 28 and an O-ring 26, wherein the air cylinder buffer 4 is installed at the joint of the cylinder body 2 and the cylinder barrel 29 in a limiting manner through the snap ring 28, and the air cylinder buffer 4 is made of an elastic material and is used for buffering the motion impact force of the piston 5. An O-ring 26 is mounted on the piston 5, the O-ring 26 being used to seal high pressure gas.

In fig. 2, a position sensor 15 is further included, the position sensor 15 is installed at the tail of the gear assembly 1, the position sensor 15 is a photoelectric sensor for detecting the position of the driving gear, and in this embodiment, the photoelectric sensor is an EE-SX673 NPN-type sensor. In fig. 2, the improved product is provided with an oil filling hole 30 on the shaft sleeve, and lithium-based lubricating grease is injected after assembly, so that the service life is prolonged, and the sealing performance is enhanced.

As shown in fig. 3 to 5, a third quick-connect plug 12, a label 24, a serial number 25 and the like for connecting a hose 22 are further provided on a side surface of the wiper cylinder, in fig. 3, a first screw 16 is used for fixing the cylinder cover 6, a third screw 20 is used for fixing the wiper cylinder on the cylinder mounting plate 7, in fig. 4, a second screw 17 is a cross-grooved screw, in fig. 5, an aviation plug mounting plate 14, an aviation plug 18 and a steel column 19 are provided on the other side surface of the wiper cylinder, and the cylinder mounting plate 13 is fixed with the wiper cylinder through screws. It should be noted that the locking nut is installed on the outer shaft end of the wiper cylinder, and the locking nut is matched with the bottom rubber sealing ring to realize the integral sealing of the inside of the wiper cylinder.

The utility model discloses a theory of operation does: the high-pressure air passes through the two-position five-way electromagnetic valve 11, the piston 5 drives the gear assembly 1 to rotate, the scraping arm drives the scraping blade to scrape and brush the front windshield of the locomotive back and forth at a certain frequency, and other shelters such as rainwater on the front windshield are removed, so that the purpose of cleaning the windshield is achieved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. The above modifications or substitutions do not depart from the spirit and scope of the present invention, which is defined by the appended claims.

Claims (5)

1. The utility model provides a windscreen wiper cylinder which characterized in that, is including being used for driving the wobbling gear assembly of windscreen wiper (1), be used for rotatory cylinder body (2) of drive gear assembly (1), install cylinder (29) in cylinder body (2) both sides, be used for cylinder cap (6) of sealed cylinder (29), set up piston (5) inside cylinder (29) and be used for controlling two five-way solenoid valve (11) of piston (5) motion, wherein:

a driving gear is sleeved at the middle section of the driving gear assembly (1), a driving rack is installed on the driving gear in a matched mode, two ends of the driving rack are respectively connected with a left piston (5) and a right piston (5), a planar linear bearing (3) is arranged at the bottom of the driving rack, and the height of the planar linear bearing (3) is adjusted through an adjusting screw (23);

the input end of the two-position five-way electromagnetic valve (11) is connected with high-pressure gas, and the output end of the two-position five-way electromagnetic valve (11) is respectively communicated with the insides of the left cylinder barrel (29) and the right cylinder barrel (29) through a hose (22) and a fourth quick connector (27).

2. The wiper cylinder according to claim 1, further comprising a cylinder bumper (4) and a snap ring (28), wherein the cylinder bumper (4) is installed at the joint of the cylinder body (2) and the cylinder barrel (29) in a limited manner through the snap ring (28), and the cylinder bumper (4) is made of an elastic material and is used for buffering the motion impact force of the piston (5).

3. The wiper cylinder according to claim 1, further comprising an O-ring (26), said O-ring (26) being mounted on the piston (5), the O-ring (26) being adapted to seal against high pressure gas.

4. The wiper cylinder according to claim 1, further comprising a position sensor (15), wherein the position sensor (15) is mounted at the rear of the gear assembly (1), and the position sensor (15) is a photoelectric sensor for detecting the position of the driving gear.

5. The wiper cylinder of claim 1, further comprising a locking nut mounted on the outer shaft end of the wiper cylinder, the locking nut cooperating with the bottom rubber seal to effect an integral seal within the wiper cylinder.

Images