Wiper device

Abstract

The utility model discloses a water scraping device which comprises a rotating shaft and a scraping plate, the lower end of the rotating shaft penetrates through a through hole in a door, extends into the door and is fixedly connected with the scraping plate, the scraping plate is in contact with the inner side of the door, and the water scraping device has the advantages that the structure is simple, the door does not need to be opened, and a human body does not make contact with liquid medicine for cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of substrate cleaning, in particular to a water scraping device. Background Art

[0002] In industries such as liquid crystal panels and semiconductor production, substrate cleaning is generally carried out in a chamber with an openable door. A large amount of liquid medicine and water stains are often splashed inside the door, which affects the observation line of sight. Operators cannot clearly see the transportation and cleaning of substrates inside the door. The existing method is generally to open the door to clean the liquid medicine inside the door. The shortcomings are: first, it is inconvenient to open the door for cleaning during the substrate cleaning process, and the liquid medicine is easy to splash out or affect the sealing of the chamber; second, in many cases, the cleaning liquid medicine is harmful to the human body, and human contact with the cleaning will have an impact on physical health. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned deficiencies in the prior art and to provide a wiper device with a simple structure, which does not require the door to be opened and does not require the human body to come into contact with the liquid for cleaning.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A wiper device, characterized in that it includes a rotating shaft and a scraper, the lower end of the rotating shaft extends into the door through a through-hole on the door and is fixedly connected to the scraper, and the scraper is in contact with the inner side of the door; by arranging the scraper on the inner side of the door, rotating the rotating shaft outside the door to drive the scraper inside the door to rotate, it is possible to clean water stains, liquid medicine, etc. on the inside of the door; the structure is simple, and cleaning can be carried out without opening the door, effectively preventing human body from contacting the liquid medicine.

[0006] The upper end of the rotating shaft of the utility model is fixedly connected to a handle on the outside of the door; through the setting of the handle, it is convenient to drive the rotating shaft to rotate, and the axial position of the rotating shaft can also be limited.

[0007] The utility model provides a fixing ring on the rotating shaft, which is fixed to the through hole on the door, and a sealing ring is provided between the fixing ring and the rotating shaft; the setting of the fixing ring facilitates the assembly of the wiper device, and the setting of the sealing ring realizes the sealing between the inside of the door and the outside.

[0008] The scraper of the utility model includes a left scraper and a right scraper, the left scraper is arranged on the left side of the rotating shaft, and the right scraper is arranged on the right side of the rotating shaft; when the rotating shaft rotates, the left scraper and the right scraper can be driven to rotate at the same time, thereby widening the area of ​​water stains cleaned inside the door.

[0009] The utility model also includes a scraper fixing bracket, the lower end of the rotating shaft is provided with a mounting groove for the scraper fixing bracket to pass through, the middle portion of the scraper fixing bracket passes through the mounting groove and is fixedly connected to the rotating shaft;

[0010] A left scraper is installed on the left side of the scraper fixing bracket, and a right scraper is installed on the right side; the scraper is fixed by the scraper fixing bracket.

[0011] The scraper or scraper fixing bracket of the utility model is provided with an elongated hole, and the left scraper and the right scraper are respectively connected to the scraper fixing bracket with bolts through the elongated holes; the elongated holes are provided to adjust the contact distance between the scraper and the inner side of the door to ensure a good cleaning effect.

[0012] An upper sealing gasket is provided on the rotating shaft between the handle and the fixing ring in the utility model, and is used for achieving sealing.

[0013] The rotating shaft of the utility model comprises a handle connecting section, a fixing ring matching section and a door inner scraper mounting section;

[0014] The handle is sleeved on the handle connecting section, the fixing ring is sleeved on the fixing ring matching section, the scraper fixing bracket is fixed to the door inner scraper mounting section, the outer diameter of the door inner scraper mounting section is larger than the outer diameter of the fixing ring matching section, and a sealing gasket limiting surface is formed between the door inner scraper mounting section and the fixing ring matching section;

[0015] A lower sealing gasket is provided on the fixing ring matching section between the inner side of the door and the sealing gasket limiting surface;

[0016] The setting of the lower sealing gasket further ensures the sealing effect.

[0017] The through hole on the door of the utility model includes a fixed ring mounting section and a shaft mounting section, the inner diameter of the fixed ring mounting section is larger than the inner diameter of the shaft mounting section, and a fixed ring limiting surface is formed between the fixed ring mounting section and the shaft mounting section;

[0018] The inner diameter of the shaft mounting section matches the outer diameter of the fixed ring matching section of the rotating shaft, and the inner diameter of the fixed ring mounting section matches the outer diameter of the fixed ring;

[0019] The fixing ring matching section of the rotating shaft passes through the through hole, and the lower end surface of the fixing ring abuts against the fixing ring limiting surface; this facilitates the assembly of the fixing ring and further ensures the sealing effect.

[0020] The handle of the utility model comprises a collar and a grip, wherein the collar and the grip are fixedly connected, the collar is sleeved on the rotating shaft, and the collar is fixed to the rotating shaft with bolts; the collar is easy to install and disassemble.

[0021] The beneficial effects of the utility model are as follows: by arranging the scraper on the inside of the door, rotating the rotating shaft outside the door to drive the scraper inside the door to rotate, water stains, liquid medicine, etc. on the inside of the door can be cleaned; the structure is simple, the door can be cleaned without opening it, and human body can be effectively prevented from contacting the liquid medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the wiper device and door assembly of the utility model.

[0023] Figure 2 yes Figure 1 Top view.

[0024] Figure 3 yes Figure 2 Middle AA section view.

[0025] Figure 4 It is a schematic diagram of the overall structure of the wiper device of the utility model.

[0026] Figure 5 This is a schematic structural diagram of the wiper device of the utility model from another angle.

[0027] Figure 6 It is a front view of the wiper device of the present utility model.

[0028] Figure 7 yes Figure 6 Middle BB cross-section view.

[0029] Reference numerals: handle-1, collar-101, grip-102;

[0030] Rotating axis-2, mounting slot-201;

[0031] Scraper fixing bracket-3, bolt hole-301;

[0032] Left scraper-401, right scraper-402, long hole-403;

[0033] Fixed ring-5;

[0034] Seal-6;

[0035] Upper sealing gasket-701, lower sealing gasket-702;

[0036] Door-8, through-hole-801, fixing ring mounting section-8011, shaft mounting section-8012. DETAILED DESCRIPTION

[0037] The present invention will be described below with reference to the accompanying drawings and embodiments.

[0038] As shown in the accompanying drawings, a wiper device includes a rotating shaft 2 and a scraper. The lower end of the rotating shaft 2 extends through the through hole 801 on the door 8 and extends into the door and is fixedly connected to the scraper. The scraper is in contact with the inner side of the door 8. By arranging the scraper on the inside of the door, rotating the rotating shaft 2 outside the door to drive the scraper inside the door to rotate, it is possible to clean water stains, liquid medicine, etc. on the inside of the door. The structure is simple, and the door can be cleaned without opening it, effectively preventing human body from contacting the liquid medicine.

[0039] A fixing ring 5 is sleeved on the rotating shaft 2, and the fixing ring 5 is fixed to the through hole 801 on the door 8. A sealing ring 6 is provided between the fixing ring 5 and the rotating shaft 2; the setting of the fixing ring 5 facilitates the assembly of the wiper device, and the setting of the sealing ring 6 realizes the sealing between the inside of the door and the outside.

[0040] In this embodiment, a sealing ring installation groove is opened on the inner wall of the fixing ring 5, and the sealing ring 6 is sleeved on the rotating shaft 2 and located in the sealing ring installation groove to achieve sealing. The number of sealing ring installation grooves and sealing rings on the inner wall of the fixing ring 5 is set according to actual use.

[0041] The upper end of the rotating shaft 2 is fixedly connected to a handle 1 on the outside of the door; through the setting of the handle 1, it is convenient to drive the rotating shaft 2 to rotate, and the axial position of the rotating shaft can also be limited.

[0042] The handle 1 includes a collar 101 and a grip 102 , wherein the collar 101 and the grip 102 are fixedly connected. The collar 101 is sleeved on the rotating shaft 2 , and the collar 101 is fixed to the rotating shaft 2 with bolts; the collar 101 is easy to install and disassemble.

[0043] In this embodiment, the upper end of the rotating shaft 2 is provided with a left limit surface 1 and a right limit surface 1 that are relatively set, and the inner wall of the ring 101 of the handle 1 is provided with a left limit surface 2 and a right limit surface 2 that are relatively set. The ring 101 is sleeved on the rotating shaft 2, and the left limit surface 1 is in contact with the left limit surface 2, and the right limit surface 1 is in contact with the right limit surface 2; the handle 1 is sleeved on the rotating shaft 2 to achieve circumferential limitation, which is convenient for the rotation of the handle to drive the rotation of the rotating shaft and facilitates subsequent bolt fixation.

[0044] The scraper includes a left scraper 401 and a right scraper 402, wherein the left scraper 401 is arranged on the left side of the rotating shaft 2, and the right scraper 402 is arranged on the right side of the rotating shaft 2; when the rotating shaft 2 rotates, the left scraper 401 and the right scraper 402 can be driven to rotate at the same time, thereby cleaning a large area of ​​water stains inside the door.

[0045] This embodiment further includes a scraper fixing bracket 3. A mounting groove 201 for the scraper fixing bracket 3 to pass through is formed on the lower end surface of the rotating shaft 2. The middle portion of the scraper fixing bracket 3 passes through the mounting groove 201 and is fixedly connected to the rotating shaft 2.

[0046] A left scraper 401 is installed on the left side of the scraper fixing bracket 3 , and a right scraper 402 is installed on the right side; the scraper is fixed by the scraper fixing bracket 3 .

[0047] The scraper or scraper fixing bracket is provided with a long hole 403, and the left scraper 401 and the right scraper 402 are respectively bolted to the scraper fixing bracket 3 through the long hole 403; the long hole 403 is set to adjust the contact distance between the scraper and the inner side of the door to ensure a good cleaning effect.

[0048] In this embodiment, the scraper fixing bracket 3 is fixed to the rotating shaft 2 by bolts, and a plurality of elongated holes 403 are respectively provided on the left scraper 401 and the right scraper 402 along their length directions. The length direction of the elongated holes 403 extends along the axial direction of the rotating shaft 2, and a plurality of bolt holes 301 are provided on the scraper fixing bracket 3 along its length directions. The bolts pass through the elongated holes 403 and are threadedly connected with the bolt holes 301 on the scraper fixing bracket 3, thereby fixing the left scraper 401, the right scraper 402 and the scraper fixing bracket 3.

[0049] An upper sealing gasket 701 is provided on the rotating shaft 2 between the handle 1 and the fixing ring 5 to achieve sealing.

[0050] The rotating shaft 2 includes a handle connecting section, a fixing ring matching section and a door inner scraper mounting section;

[0051] The handle 1 is sleeved on the handle connecting section and is bolted to the handle connecting section. The fixing ring 5 is sleeved on the fixing ring mating section and a sealing ring is provided between the fixing ring mating section. The scraper fixing bracket 3 is fixed to the scraper mounting section inside the door. The outer diameter of the scraper mounting section inside the door is larger than the outer diameter of the fixing ring mating section. A sealing gasket limiting surface is formed between the scraper mounting section inside the door and the fixing ring mating section.

[0052] A lower sealing gasket 702 is provided on the fixing ring matching section between the inner side of the door 8 and the sealing gasket limiting surface; the provision of the lower sealing gasket 702 further ensures the sealing effect.

[0053] The through hole 801 on the door 8 includes a fixed ring mounting section 8011 and a shaft mounting section 8012. The inner diameter of the fixed ring mounting section 8011 is larger than the inner diameter of the shaft mounting section 8012. A fixed ring limiting surface is formed between the fixed ring mounting section 8011 and the shaft mounting section 8012.

[0054] The inner diameter of the shaft mounting section 8012 matches the outer diameter of the fixed ring matching section of the rotating shaft, and the inner diameter of the fixed ring mounting section matches the outer diameter of the fixed ring 5;

[0055] The fixing ring matching section of the rotating shaft passes through the through hole, and the lower end surface of the fixing ring 5 is against the fixing ring limiting surface; this facilitates the assembly of the fixing ring and also further ensures the sealing effect.

[0056] In this embodiment, the fixing ring 5 is located in the fixing ring installation section and is fixed to the door 8 by welding.

[0057] In this embodiment, the handle 1, the upper sealing gasket 701 and the fixing ring 5 are pressed tightly in sequence, and the lower sealing gasket 702 is pressed tightly between the inner side of the door 8 and the sealing gasket limiting surface.

[0058] When using this utility model:

[0059] When there is water stain on the door 8, there is no need to open the door. Turn the handle 1 on the outside of the door. The handle 1 drives the rotating shaft 2 to rotate. The rotation of the rotating shaft 2 drives the left scraper 401 and the right scraper 402 to rotate. The left scraper 401 and the right scraper 402 contact the inside of the door 8 to clean the water stain on the inside of the door 8.

Claims

1. A wiper device, characterized in that: It includes a rotating shaft and a scraper, wherein the lower end of the rotating shaft passes through a hole on the door and extends into the door and is fixedly connected to the scraper, and the scraper contacts the inner side of the door; The upper end of the rotating shaft is fixedly connected to a handle on the outside of the door; A fixing ring is sleeved on the rotating shaft, the fixing ring is fixed to the through hole on the door, and a sealing ring is provided between the fixing ring and the rotating shaft.

2. A wiper device according to claim 1, characterized in that: The scraper includes a left scraper and a right scraper, wherein the left scraper is arranged on the left side of the rotating shaft, and the right scraper is arranged on the right side of the rotating shaft.

3. A wiper device according to claim 2, characterized in that: It also includes a scraper fixing bracket, the lower end of the rotating shaft is provided with a mounting groove for the scraper fixing bracket to pass through, the middle portion of the scraper fixing bracket passes through the mounting groove and is fixedly connected to the rotating shaft; A left scraper is installed on the left side of the scraper fixing bracket, and a right scraper is installed on the right side.

4. A wiper device according to claim 3, characterized in that: The scraper or the scraper fixing bracket is provided with a long hole, and the left scraper and the right scraper are respectively connected with the scraper fixing bracket by bolts through the long holes.

5. A wiper device according to claim 1, 2, 3 or 4, characterized in that: An upper sealing gasket is provided on the rotating shaft between the handle and the fixing ring.

6. A wiper device according to claim 3 or 4, characterized in that: The rotating shaft includes a handle connecting section, a fixing ring matching section and a door inner scraper mounting section; The handle is sleeved on the handle connecting section, the fixing ring is sleeved on the fixing ring matching section, the scraper fixing bracket is fixed to the door inner scraper mounting section, the outer diameter of the door inner scraper mounting section is larger than the outer diameter of the fixing ring matching section, and a sealing gasket limiting surface is formed between the door inner scraper mounting section and the fixing ring matching section; A lower sealing gasket is provided on the fixing ring matching section between the inner side of the door and the sealing gasket limiting surface.

7. The wiper device according to claim 6, characterized in that: The through hole on the door includes a fixed ring mounting section and a shaft mounting section, the inner diameter of the fixed ring mounting section is larger than the inner diameter of the shaft mounting section, and a fixed ring limiting surface is formed between the fixed ring mounting section and the shaft mounting section; The inner diameter of the shaft mounting section matches the outer diameter of the fixed ring matching section of the rotating shaft, and the inner diameter of the fixed ring mounting section matches the outer diameter of the fixed ring; The fixing ring matching section of the rotating shaft passes through the through hole, and the lower end surface of the fixing ring abuts against the fixing ring limiting surface.

8. A wiper device according to claim 1, 2, 3, 4 or 7, characterized in that: The handle comprises a collar and a grip, wherein the collar and the grip are fixedly connected, the collar is sleeved on the rotating shaft, and the collar is fixed to the rotating shaft with bolts.

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