Gearbox filter screen with annular guide plate

Abstract

The utility model relates to the technical field of gearbox filter screens, in particular to a gearbox filter screen with an annular flow guide plate, which comprises an oil outlet, an upper shell, a lower shell, an annular magnet, an oil inlet, a filter screen and the flow guide plate, the inner side wall of the lower shell is rotatably connected with a rotating shaft, and the outer side wall of the rotating shaft is symmetrically and fixedly connected with second cams. The two second cams abut against the bottom of the filter screen, a first cam is fixedly connected to the center of the outer side wall of the rotating shaft, the rotating shaft is conveniently driven to rotate through the arranged driving assembly, the second cams are driven to rotate in the rotating process of the rotating shaft, and therefore the second cams abut against the filter screen, and the filter screen vibrates; by arranging the filter screen, impurities on the filter screen are cleaned away, the technical problem that the filter screen is blocked is solved, the cleaning work can be conveniently conducted on the inner wall of the oil inlet through the arranged cleaning assembly, and the technical problem that due to the fact that the number of iron scraps sucked into the oil inlet is large, oil cannot enter the shell is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gearbox filter screen technical field, concretely to a gearbox filter screen with annular flow guide plate. BACKGROUND

[0002] Gearbox is applied to the field of automobile, plays the equipment of change transmission ratio, variable speed variable torque etc.

[0003] For example, the patent with the announcement number CN212225960U discloses a gearbox filter screen with annular flow guide plate, which is composed of an upper shell, a filter screen and a lower shell.

[0004] Through the above setting, the annular flow guide plate of the utility model in the prior art increases from inside to outside, and the annular flow guide plate is uniformly provided with a flow guide groove, which can guide the oil entering the shell, and can make the thick impurities in the oil precipitate, so that the relatively pure oil enters the filter screen, reduces the filtering pressure of the filter screen, improves the filtering effect and prolongs the service life.

[0005] The above device adds oil to the inside of the gearbox by adding oil to the inside of the oil inlet, and in this process, the iron filings in the oil are adsorbed to the inner wall of the oil inlet by the annular magnet, so as to prevent the iron filings from entering the inside of the shell. UTILITY MODEL CONTENTS

[0006] The utility model intends to provide a gearbox filter screen with annular flow guide plate, which is mainly used to solve the technical problem that the existing technology does not have cleaning work on the filter screen and the oil inlet.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] The utility model discloses a gearbox filter screen with annular flow guide plate, including oil outlet, upper casing, lower casing, annular magnet, oil inlet, filter screen and flow guide plate, the inner side wall rotationally connected with pivot of lower casing, the outer side wall fixedly connected with second cam of pivot is symmetrical, two second cam all with the bottom of filter screen are in contact, the outer side wall center of pivot is fixedly connected with first cam, the bottom fixedly connected with drive assembly of lower casing, the inner side wall fixedly connected with fixed frame of lower casing is located at oil inlet, and the top of fixed frame is penetrated and is connected with cleaning assembly of sliding.

[0009] The utility model discloses a working principle and beneficial effect:

[0010] 1. Working principle: the device is used, first, oil is added from the oil inlet to the inside of the shell, (in this process, the iron filings in the oil are adsorbed to the inner side wall of the oil inlet by the annular magnet, to prevent the iron filings from entering the inside of the shell, as the oil continues to enter the inside of the shell, the oil is diffused to the surrounding under the action of the flow guide plate, and the thick impurities in the oil are then deposited on the inner side wall of the lower shell, and finally the oil passes through the filter screen, and the filter screen is used to filter the oil again, so that the filtered oil enters the inside of the gearbox from the oil outlet), the bracket is not detailed in the present application file, when the filter screen and the oil inlet are needed to be cleaned, the drive assembly is started, the pivot is driven to rotate by the drive assembly, the second cam is driven to rotate in the process of the pivot rotating, so that the filter screen is shaken by the second cam, and the impurities adsorbed on the filter screen are cleaned down, and the first cam is driven to rotate at the same time, so that the cleaning assembly is contacted by the first cam, and the inner side wall of the oil inlet is cleaned by the cleaning assembly.

[0011] 2. Beneficial effect:

[0012] The prior art sets the annular flow guide plate, and the annular flow guide plate is uniformly provided with flow guide grooves, which can guide the oil entering the shell, and can make the thick impurities in the oil deposit, so that the relatively pure oil enters the filter screen, reduces the filtering pressure of the filter screen, and improves the filtering effect. However, the prior art does not have the technical problem of cleaning the filter screen and the oil inlet, the drive assembly is arranged to drive the pivot to rotate, the second cam is driven to rotate in the process of the pivot rotating, so that the filter screen is shaken by the second cam, and the impurities on the filter screen are cleaned, to prevent the technical problem of filter screen blockage, the cleaning assembly is arranged to clean the inner wall of the oil inlet, to prevent too many iron filings from being sucked into the oil inlet, and to prevent the phenomenon that the oil cannot enter the inside of the shell.

[0013] Preferably: the driving assembly comprises a motor fixedly connected to the bottom of the lower shell, and the output end of the motor is penetratingly and rotatably connected to the side wall of the lower shell, the output end of the motor is fixedly connected with a driving bevel gear, the outer side wall of the rotating shaft at the driving bevel gear is fixedly connected with a driven bevel gear, and the driven bevel gear and the driving bevel gear are mutually engaged, when the filter screen needs to be cleaned, the motor is started, the driving bevel gear is driven to rotate by the motor, the driven bevel gear is driven to rotate in the process of rotation of the driving bevel gear, the rotating shaft is driven to rotate by the driven bevel gear, the second cam is driven to rotate in the process of rotation of the rotating shaft, the filter screen is rubbed by the second cam, the filter screen is shaken, and the dirt adsorbed on the filter screen is cleaned, so that the technical problem of filter screen blockage is prevented.

[0014] Preferably: the outer side wall of the rotating connection between the output end of the motor and the lower shell is fixedly connected with a sealing ring, and the sealing ring is arranged to prevent oil from leaking out.

[0015] Preferably: the cleaning assembly comprises a lifting rod penetratingly and slidingly connected to the top of the fixed frame, the top of the lifting rod is fixedly connected with a rubbing block, the top of the rubbing block is in abutment with the first cam, the lower end of the lifting rod is fixedly connected with a connecting block, the outer side wall of the connecting block is fixedly connected with an annular scraper, and the annular scraper is matched with the oil inlet, in the process of rotation of the rotating shaft, the first cam is driven to rotate, the top of the rubbing block is abutted by the tip of the first cam, the lifting rod moves downward along the top of the fixed frame under the action of the first cam in the process of rotation of the rotating shaft, the connecting block moves downward in the process of downward movement of the lifting rod, and the annular scraper slides downward along the inner side wall of the oil inlet through the connecting block, so that the inner side wall of the oil inlet is cleaned.

[0016] Preferably: the cleaning assembly comprises a spring sleeved on the outer side wall of the lifting rod, the upper end of the spring is fixedly connected with the bottom of the rubbing block, and the lower end of the spring is fixedly connected with the top of the fixed frame, the spring is compressed in the process of downward movement of the lifting rod, and the lifting rod is reset under the action of the compressed spring when the tip of the first cam is not in abutment with the rubbing block.

[0017] Preferably: the moving range of the annular scraper is between the lower shell and the end portion of the oil inlet, so that the annular scraper is prevented from separating from the inner side wall of the oil inlet, and the stability of the annular scraper in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a sectional structure schematic view of the upper shell and the lower shell of the utility model;

[0020] Figure 3The structure diagram of the rotating shaft, the second cam and the filter screen of the utility model.

[0021] Figure 4 The structure diagram of the rotating shaft, the second cam and the filter screen of the utility model.

[0022] The reference signs in the drawings of the specification include: 1, oil outlet; 2, upper shell; 3, lower shell; 4, motor; 5, annular magnet; 6, annular scraper; 7, oil inlet; 8, rotating shaft; 9, filter screen; 10, flow guide plate; 11, connecting block; 12, first cam; 13, abutting block; 14, fixed frame; 15, lifting rod; 16, spring; 17, driving bevel gear; 18, driven bevel gear; 19, second cam. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] For example, Figures 1-4As shown, a kind of gearbox screen with annular guide vane, including oil outlet 1, upper shell 2, lower shell 3, annular magnet 5, oil inlet 7, screen 9 and guide vane 10, the inner side wall of lower shell 3 is rotatably connected with rotating shaft 8, the outer side wall of rotating shaft 8 is fixedly connected with second cam 19, two second cam 19 are all in contact with the bottom of screen 9, the outer side wall center of rotating shaft 8 is fixedly connected with first cam 12, the bottom of lower shell 3 is fixedly connected with drive assembly, the drive assembly includes motor 4 fixedly connected in the bottom of lower shell 3, and the output end of motor 4 is rotatably connected with the side wall of lower shell 3, the output end of motor 4 is fixedly connected with driving bevel gear 17, the outer side wall of rotating shaft 8 at driving bevel gear 17 is fixedly connected with driven bevel gear 18, and driven bevel gear 18 and driving bevel gear 17 are mutually engaged, when the sundries of screen 9 and oil inlet 7 need to be cleaned, start motor 4, utilize motor 4 to drive driving bevel gear 17 to rotate, drive driven bevel gear 18 to rotate in the process of driving bevel gear 17 rotation, to drive rotating shaft 8 to rotate by driven bevel gear 18, drive second cam 19 to rotate in the process of rotating shaft 8 rotation, to make screen 9 vibrate by second cam 19 contact screen 9, to clean the sundries adsorbed on screen 9, to prevent the technical problem of screen 9 blockage, the inner side wall of lower shell 3 at oil inlet 7 is fixedly connected with fixed frame 14, cleaning assembly is slidably connected in the top of fixed frame 14, the cleaning assembly includes lifting rod 15 slidably connected in the top of fixed frame 14, the top of lifting rod 15 is fixedly connected with contact block 13, the top of contact block 13 is in contact with first cam 12, the lower end of lifting rod 15 is fixedly connected with connecting block 11, the outer side wall of connecting block 11 is fixedly connected with annular scraper 6, and annular scraper 6 is matched with oil inlet 7, the cleaning assembly includes spring 16 that is sleeved on the outer side wall of lifting rod 15, the upper end of spring 16 is fixedly connected with the bottom of contact block 13, the lower end of spring 16 is fixedly connected with the top of fixed frame 14, drive first cam 12 to rotate in the process of rotating shaft 8 rotation, to make the top of contact plate be in contact with the tip of first cam 12, along with the rotation of rotating shaft 8, make lifting rod 15 move downward along the top of fixed frame 14 under the action of first cam 12, spring 16 is compressed in the process of lifting rod 15 moving downward, drive connecting block 11 to move downward in the process of lifting rod 15 moving downward, to make annular scraper 6 slide along the inner side wall of oil inlet 7 by connecting block 11, realize the purpose of cleaning the inner side wall of oil inlet 7, when the tip of first cam 12 is not in contact with contact block 13, make lifting rod 15 reset under the action of compressed spring 16.

[0025] From the above, the specific implementation manner of the utility model is as follows:

[0026] In use, the device first adds oil from the oil inlet 7 into the inside of the shell, (in this process, the iron filings in the oil are adsorbed onto the inner side wall of the oil inlet 7 by the annular magnet 5 to prevent the iron filings from entering the inside of the shell, and as the oil continuously enters the inside of the shell, the oil is diffused in all directions under the action of the flow guide plate 10, and then the thick impurities in the oil are deposited on the inner side wall of the lower shell 3, and finally the oil passes through the filter screen 9 and is filtered again by the filter screen 9, so that the filtered oil enters the inside of the gearbox from the oil outlet 1), the contents in the brackets are not described in detail in the present application file, when the impurities in the filter screen 9 and the oil inlet 7 need to be cleaned, the motor 4 is started, the motor 4 drives the driving bevel gear 17 to rotate, the driving bevel gear 17 drives the driven bevel gear 18 to rotate in the process of rotating, thereby driving the rotating shaft 8 to rotate through the driven bevel gear 18, the second cam 19 is driven to rotate in the process of rotating the rotating shaft 8, thereby the filter screen 9 is shaken by the second cam 19, and then the impurities adsorbed on the filter screen 9 are cleaned, thereby preventing the technical problem of clogging of the filter screen 9, the first cam 12 is driven to rotate in the process of rotating the rotating shaft 8, thereby the top of the abutting plate is abutted by the tip of the first cam 12, the lifting rod 15 moves downward along the top of the fixed frame 14 under the action of the first cam 12 as the rotating shaft 8 rotates, the spring 16 is compressed in the process of the lifting rod 15 moving downward, the connecting block 11 moves downward in the process of the lifting rod 15 moving downward, thereby the annular scraper 6 slides downward along the inner side wall of the oil inlet 7 through the connecting block 11, and the purpose of cleaning the inner side wall of the oil inlet 7 is achieved, when the tip of the first cam 12 is not abutted with the abutting block 13, the lifting rod 15 is reset under the action of the compressed spring 16.

[0027] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A gearbox screen with ring-shaped flow guide, comprising an oil outlet (1), an upper housing (2), a lower housing (3), a ring-shaped magnet (5), an oil inlet (7), a screen (9) and a flow guide (10), characterized in that, The inner side wall of the lower shell (3) is rotationally connected with a rotating shaft (8), the outer side wall of the rotating shaft (8) is fixedly connected with a second cam (19) in a symmetrical manner, the two second cams (19) are in abutment with the bottom of the filter screen (9), the outer side wall center of the rotating shaft (8) is fixedly connected with a first cam (12), the bottom of the lower shell (3) is fixedly connected with a driving assembly, the inner side wall of the lower shell (3) at the oil inlet (7) is fixedly connected with a fixed frame (14), and the top of the fixed frame (14) is fixedly connected with a cleaning assembly.

2. The skimmer screen with ring guide according to claim 1, characterized in that: The driving assembly comprises a motor (4) fixedly connected to the bottom of the lower shell (3), the output end of the motor (4) is rotatably connected with the side wall of the lower shell (3), the output end of the motor (4) is fixedly connected with a driving bevel gear (17), the outer side wall of the rotating shaft (8) at the driving bevel gear (17) is fixedly connected with a driven bevel gear (18), and the driven bevel gear (18) and the driving bevel gear (17) are in meshing engagement with each other.

3. A variable speed gearbox screen with ring guide as claimed in claim 2, characterized in that: The outer side wall of the rotating connection between the output end of the motor (4) and the lower shell (3) is fixedly connected with a sealing ring.

4. The skimmer screen with ring guide according to claim 1, wherein: The cleaning assembly comprises a lifting rod (15) fixedly connected to the top of the fixed frame (14), the top of the lifting rod (15) is fixedly connected with an abutment block (13), the top of the abutment block (13) is in abutment with the first cam (12), the lower end of the lifting rod (15) is fixedly connected with a connecting block (11), the outer side wall of the connecting block (11) is fixedly connected with an annular scraper (6), and the annular scraper (6) is matched with the oil inlet (7).

5. A variable speed gearbox screen with ring guide as claimed in claim 4, characterised in that: The cleaning assembly comprises a spring (16) sleeved on the outer side wall of the lifting rod (15), the upper end of the spring (16) is fixedly connected with the bottom of the abutment block (13), and the lower end of the spring (16) is fixedly connected with the top of the fixed frame (14).

6. A variable speed gearbox screen with ring guide as claimed in claim 4, characterized in that: The moving range of the annular scraper (6) is between the lower shell (3) and the end of the oil inlet (7).

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