Automatic gearbox filter

Abstract

The utility model relates to the technical field of filters, in particular to an automatic gearbox filter which comprises a first filter shell and a second filter shell, and two filter screen pressing plates connected with the front inner wall and the rear inner wall of a cavity in a sliding mode are arranged on the inner wall of the first filter shell. Sealing devices are arranged between the two upper sealing blocks and the lower inner wall of the second filter shell, strip-shaped through holes are formed in the front inner walls and the rear inner walls of the multiple mounting through holes, and abutting devices are arranged between the multiple first mounting caps and the first protruding edges. By means of the abutting device, the first filter shell and the second filter shell are firmly connected, and it is guaranteed that the filtering effect of the first filter shell and the filtering effect of the second filter shell of the filter are good. Through the elastic effect of the second abutting spring, the additional sealing block can still abut against the lower inner wall of the second filter shell, it is guaranteed that oil cannot permeate to the outer portion of the filter screen pressing plate, and the service life of the filter is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technology field especially relates to an automatic gearbox filter. BACKGROUND

[0002] The gearbox filter is a device installed in the gearbox to play a filtering role. The oil in the gearbox flows in the gearbox, lubricates the machine parts, and at the same time, washes down the impurities attached to the surface of the machine parts. The washed-down impurities are filtered out when the oil flows through the gearbox filter. The clean oil after filtration reenters the lubrication system for circulation.

[0003] For example, the authorized announcement number "CN221704413U" is named as an anti-backflow automatic gearbox filter. The limiting block is used to clamp and fix the clamping block, which is convenient for fixing and disassembling the filter upper shell and the filter lower shell. Only a small amount of bolts and clamping are needed to install and disassemble the filter upper shell and the filter lower shell, which improves the convenience and practicality of the filter and the efficiency of the filter in installing and disassembling the filter screen.

[0004] The above-mentioned and prior art have the following defects: after the clamping block and the limiting block are worn, only the bolt connection of the filter upper shell connecting block and the filter lower shell connecting block is used, the connection is not firm, which may cause the filter upper shell and the filter lower shell of the filter to be not tightly sealed, resulting in poor filtering effect. The top surface inside the filter upper shell is fixedly connected with two filter screen pressing plates. The filter screen pressing plate and the filter lower shell are worn or corroded, which may cause a part of oil to penetrate to the outside of the filter screen pressing plate, and long-term use may cause damage to the filter. INVENTION CONTENTS

[0005] The utility model aims at solving the defects in the prior art and provides an automatic gearbox filter.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The application discloses an automatic gearbox filter which comprises a first filter shell and a second filter shell, a cavity is enclosed between the first filter shell and the second filter shell, an oil inlet pipe and an oil outlet pipe are correspondingly communicated with the upper surface of the first filter shell and the lower surface of the second filter shell respectively, two filter screen pressing plates which are slidably connected with the front and rear inner walls of the cavity are arranged on the inner wall of the first filter shell, a filter screen component which is slidably connected with the front and rear inner walls of the cavity is arranged between the two filter screen pressing plates, upper sealing blocks provided with accommodating grooves are arranged at the lower ends of the two filter screen pressing plates, a lower sealing block is arranged on the lower inner wall of the second filter shell, the upper end of the lower sealing block extends into the accommodating groove, sealing devices are arranged between the two upper sealing blocks and the lower inner wall of the second filter shell, first convex edges and second convex edges are integrally formed on the peripheries of the first filter shell and the second filter shell respectively, a plurality of mounting through holes are communicated with the surfaces of the first convex edges and the second convex edges, strip-shaped through holes are arranged on the front and rear inner walls of the plurality of mounting through holes, first mounting rods are slidably connected with the strip-shaped through holes in the same up-down direction, first mounting caps are arranged at the upper ends of the plurality of first mounting rods, abutting devices are arranged between the plurality of first mounting caps and the first convex edges, and two clamping blocks matched with the strip-shaped through holes are arranged on the surfaces of the plurality of first mounting rods.

[0008] Preferably, the abutting device comprises two abutting blocks, the two abutting blocks are slidably sleeved on the first mounting rod, and a first abutting spring is arranged between the two abutting blocks and slidably sleeved on the first mounting rod.

[0009] Preferably, the lower surface of the second convex edge is provided with two clamping grooves which are perpendicular to the strip-shaped through holes.

[0010] Preferably, positioning grooves are arranged around the lower end of the first filter shell, a positioning block matched with the positioning grooves is arranged on the upper end of the second filter shell, and the positioning block extends into the positioning groove.

[0011] Preferably, a sealing gasket is arranged between the upper inner wall of the accommodating groove and the upper surface of the lower sealing block.

[0012] Preferably, the sealing device comprises a fixing block, a plurality of second mounting caps are arranged above the fixing block, second mounting rods are arranged on the lower surfaces of the plurality of second mounting caps, the lower ends of the plurality of second mounting rods are slidably penetrated through the fixing block and are provided with additional sealing blocks, the additional sealing blocks are slidably connected with the upper sealing blocks, second abutting springs are sleeved on the surfaces of the second mounting rods, and the second abutting springs are arranged between the fixing block and the second mounting caps.

[0013] The utility model provides an automatic gearbox filter, beneficial effect lies in: the abutting device that sets, still can make first filter housing and second filter housing connect firm under the elastic effect of first abutting spring when the first convex edge and the second convex edge of this filter appear abrasion, and the sealing is tight, ensure that the first filter housing and the second filter housing of this filter have good filtering effect. The inner wall of first filter housing of this filter is equipped with two filter screen pressure plates, when filter screen pressure plate and second filter housing appear abrasion or corrosion, the sealing device that sets, through the elastic effect of second abutting spring, make additional sealing block still can tightly press the lower inner wall of second filter housing, the upper sealing block and lower sealing block that set also play the sealing effect, ensure that oil does not penetrate to the outside of filter screen pressure plate, avoid the damage to the filter caused by long-term use, prolong the service life of this filter. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the utility model;

[0015] Figure 2 It is the structure sectional view of the utility model;

[0016] Figure 3 It is the A position enlarged view of the utility model;

[0017] Figure 4 It is the B position enlarged view of the utility model;

[0018] Figure 5 It is the installation through -hole, strip -shaped through -hole and the card joint groove overhead structure schematic view of the utility model.

[0019] In the drawing: first filter housing 1, second filter housing 2, cavity 3, oil inlet pipe 4, oil outlet pipe 5, filter screen pressure plate 6, filter screen component 7, upper sealing block 8, lower sealing block 9, first convex edge 10, second convex edge 11, installation through -hole 12, strip -shaped through -hole 13, first installation rod 14, first installation cap 15, card joint block 16, abutting block 17, first abutting spring 18, card joint groove 19, positioning groove 20, positioning block 21, sealing gasket 22, fixed block 23, second installation cap 24, second installation rod 25, additional sealing block 26, second abutting spring 27. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently, apparently, only part embodiments of the utility model are described, and not all embodiments.

[0021] REFERENCE Figures 1-5The utility model provides an automatic gearbox filter, including first filter casing 1 and second filter casing 2, and the cavity 3 is enclosed between first filter casing 1 and second filter casing 2, and the upper surface of first filter casing 1 and the lower surface of second filter casing 2 are correspondingly connected with oil inlet pipe 4 and oil outlet pipe 5 respectively, and the inner wall of first filter casing 1 is equipped with two filter screen pressing plates 6 that are slidably connected with the front and rear inner walls of cavity 3, and the filter screen component 7 that is slidably connected with the front and rear inner walls of cavity 3 is arranged between the two filter screen pressing plates 6, and the lower end of two filter screen pressing plates 6 is equipped with the upper sealing block 8 with accommodating groove, and the lower inner wall of second filter casing 2 is equipped with the lower sealing block 9, and the upper end of lower sealing block 9 extends into accommodating groove, and the sealing device is arranged between two upper sealing blocks 8 and the lower inner wall of second filter casing 2, and the periphery of first filter casing 1 and second filter casing 2 is correspondingly integrally formed with first convex edge 10 and second convex edge 11 respectively, and the surface of first convex edge 10 and second convex edge 11 is connected with a plurality of mounting through holes 12, and the front and rear inner walls of a plurality of mounting through holes 12 are equipped with strip-shaped through holes 13, and the strip-shaped through holes 13 in the same up-down direction are slidably connected with first mounting rod 14, and the upper end of a plurality of first mounting rods 14 is equipped with first mounting cap 15, and the first mounting cap 15 and first convex edge 10 are equipped with abutting device, and the surface of a plurality of first mounting rods 14 is equipped with two clamping blocks 16 that are matched with strip-shaped through holes 13.

[0022] The abutting device includes two abutting blocks 17, which are slidably sleeved on the first mounting rod 14, and a first abutting spring 18 is arranged between the two abutting blocks 17, and the first abutting spring 18 is slidably sleeved on the first mounting rod 14.

[0023] The lower surface of the second convex edge 11 is provided with two clamping grooves 19 perpendicular to the strip-shaped through holes 13.

[0024] The lower end of the first filter casing 1 is provided with a positioning groove 20 around the periphery, and the upper end of the second filter casing 2 is provided with a positioning block 21 matched with the positioning groove 20, and the positioning block 21 extends into the positioning groove 20.

[0025] A sealing gasket 22 is arranged between the upper inner wall of the accommodating groove and the upper surface of the lower sealing block 9. The sealing gasket 22 plays a sealing role.

[0026] The sealing device includes a fixed block 23, a plurality of second mounting caps 24 are arranged above the fixed block 23, a second mounting rod 25 is arranged on the lower surface of each second mounting cap 24, the lower end of the second mounting rod 25 slidably penetrates the fixed block 23 and is provided with an additional sealing block 26, the additional sealing block 26 is slidably connected with the upper sealing block 8, a second abutting spring 27 is sleeved on the surface of the second mounting rod 25, and the second abutting spring 27 is arranged between the fixed block 23 and the second mounting cap 24.

[0027] Working principle: through the positioning groove 20 and positioning block 21 butt joint, then make the lower sealing block 9 into the upper sealing block 8 set up the accommodating groove, then operate the first installation cap 15, make the clamping block 16 through two strip-shaped through hole 13, then the first installation rod 14 is rotated by 90 degrees, make the clamping block 16 into the clamping groove 19, set up the abutting device, through the first abutting spring 18 elastic effect, make the clamping block 16 tightly abut the inner wall of clamping groove 19, at the same time, set up the sealing device, through the second abutting spring 27 elastic effect, make the additional sealing block 26 tightly abut the second filter housing 2 lower inner wall, set up the upper sealing block 8 and lower sealing block 9, also play the sealing effect, finally the oil inlet pipe 4 and oil outlet pipe 5 are connected to the corresponding position of gearbox, can install the filter of this.

[0028] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art in the technical range disclosed by the present application, according to the technical scheme and the utility model concept of the present application, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. An automatic transmission filter comprising a first filter housing (1) and a second filter housing (2), characterized in that, The first filter housing (1) and the second filter housing (2) are surrounded by a cavity (3), the upper surface of the first filter housing (1) and the lower surface of the second filter housing (2) are respectively connected with an oil inlet pipe (4) and an oil outlet pipe (5), the inner wall of the first filter housing (1) is provided with two filter screen pressing plates (6) which are slidably connected with the front and rear inner walls of the cavity (3), the filter screen pressing plates (6) are provided with a filter screen component (7) which is slidably connected with the front and rear inner walls of the cavity (3), the lower ends of the filter screen pressing plates (6) are provided with upper sealing blocks (8) which are provided with accommodating grooves, the lower inner wall of the second filter housing (2) is provided with a lower sealing block (9), the upper end of the lower sealing block (9) extends into the accommodating groove, the upper sealing blocks (8) and the lower inner wall of the second filter housing (2) are provided with sealing devices, the periphery of the first filter housing (1) and the second filter housing (2) is respectively integrally formed with a first convex edge (10) and a second convex edge (11), the surfaces of the first convex edge (10) and the second convex edge (11) are respectively connected with a plurality of mounting through holes (12), the front and rear inner walls of the mounting through holes (12) are provided with strip-shaped through holes (13), the strip-shaped through holes (13) in the same upper and lower direction are slidably connected with first mounting rods (14), the upper ends of the first mounting rods (14) are provided with first mounting caps (15), the first mounting caps (15) and the first convex edge (10) are provided with abutting devices, and the surfaces of the first mounting rods (14) are provided with two clamping blocks (16) which are matched with the strip-shaped through holes (13).

2. An automatic transmission filter according to claim 1, wherein The abutting device comprises two abutting blocks (17), the abutting blocks (17) are slidably sleeved on the first mounting rod (14), and the abutting blocks (17) are provided with first abutting springs (18) therebetween, and the first abutting springs (18) are slidably sleeved on the first mounting rod (14).

3. An automatic transmission filter according to claim 2, wherein The lower surface of the second convex edge (11) is provided with two clamping grooves (19) which are perpendicular to the strip-shaped through holes (13).

4. The automatic transmission filter of claim 1, wherein The lower end of the first filter housing (1) is provided with positioning grooves (20) around the periphery, and the upper end of the second filter housing (2) is provided with positioning blocks (21) which are matched with the positioning grooves (20), and the positioning blocks (21) extend into the positioning grooves (20).

5. The automatic transmission filter of claim 1, wherein The upper inner wall of the accommodating groove and the upper surface of the lower sealing block (9) are provided with a sealing gasket (22).

6. An automatic transmission filter according to claim 1, wherein The sealing device comprises a fixed block (23), a plurality of second mounting caps (24) are arranged above the fixed block (23), the lower surfaces of the second mounting caps (24) are provided with second mounting rods (25), the lower ends of the second mounting rods (25) are slidably penetrated through the fixed block (23) and are provided with additional sealing blocks (26), the additional sealing blocks (26) are slidably connected with the upper sealing blocks (8), the surfaces of the second mounting rods (25) are sleeved with second abutting springs (27), and the second abutting springs (27) are arranged between the fixed block (23) and the second mounting caps (24).

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