CN219345108U

CN219345108U - Anti-splash hydraulic oil tank cover plate assembly for forklift

Info

Publication number: CN219345108U
Application number: CN202320478040.1U
Authority: CN
Inventors: 杨献花; 王国辉; 武剑锋; 江宁武
Original assignee: Xingong Agricultural Machinery Manufacturing Co ltd
Current assignee: Xingong Agricultural Machinery Manufacturing Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-14
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to the field of hydraulic oil tank covers, in particular to an anti-splashing hydraulic oil tank cover plate assembly for a forklift. The technical scheme comprises the following steps: the utility model has the beneficial technical effects that the lower cover plate is provided with a replacement block above the lower cover plate, the two ends of the bottom of the replacement block are respectively provided with a filter hole in a penetrating way, the filter holes are respectively internally and detachably connected with an air filter element, and the two sides of the relative position of the replacement block are respectively provided with a clamping mechanism for fixing the replacement block: when the air filter element is replaced. Pulling L shape pull rod drives the locating piece and takes out from the locating hole, then rotates L shape pull rod, makes its one end and stopper joint be connected, avoids compression spring's resilience to make the locating piece block card again into the locating hole in, then takes out the change piece from changing the inslot, can change the air filter who installs on it, need not to dismantle the lower apron, improves the convenience that air filter changed.

Description

Anti-splash hydraulic oil tank cover plate assembly for forklift

Technical Field

The utility model relates to the field of hydraulic oil tank covers, in particular to an anti-splashing hydraulic oil tank cover plate assembly for a forklift.

Background

In the conventional forklift design, a breather with an air filtering function is installed at a fuel filler of the hydraulic tank, so that the breather can balance pressure change caused by rising and falling of the liquid level in the hydraulic tank during operation of a hydraulic system and purify air entering the hydraulic tank from the outside, and therefore, the splash-proof hydraulic tank cover plate assembly for the forklift is needed.

The utility model discloses a fork truck hydraulic tank apron assembly of patent number 201820588706.8 application, the utility model discloses with the increase of oil tank during the use or under the more operational environment of certain raise dust, even after some hollow filter core produced the jam, the machine also need not to stop the operation, but directly adopts another air filter core, the filter core is changed again after the work is ended.

The device can make a plurality of air filter core work alternately, makes it need not to stop the operation and changes air filter core, but when work finishes changing air filter core, need lift off the lower apron from hydraulic tank, just can carry out air filter core's change, leads to changing process comparatively loaded down with trivial details, needs consume a large amount of time.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides an anti-splashing hydraulic oil tank cover plate assembly for a forklift, which is convenient for improving the convenience of replacing an air filter element and improving the replacement efficiency.

The technical scheme of the utility model is as follows: an anti-splash hydraulic oil tank cover plate assembly for a forklift, comprising: the lower apron, the apron top is equipped with the change piece down, change piece bottom both ends all run through and seted up the filtration pore, all dismantle in the filtration pore and be connected with air filter core, change the both sides of piece relative position and all be equipped with the joint mechanism that is used for fixing the change piece.

Preferably, the lower cover plate surface is located and has seted up the change groove below the change piece, the change piece is located and changes the inslot, it all runs through and sets up in the gas pocket to change inslot portion and be located two filtration pore relative positions, gas pocket and corresponding filtration pore intercommunication, two the gas pocket all communicates with hydraulic tank, joint mechanism includes the fixed plate, fixed plate bottom and lower cover plate fixed surface connection, fixed plate is close to and changes piece one side fixedly connected with compression spring, compression spring keeps away from fixed plate one end fixedly connected with locating piece, it has seted up the locating hole to change piece lateral wall and is located the locating piece relative position, the locating hole is connected with the locating piece joint that corresponds, be equipped with L shape pull rod in the compression spring, L shape pull rod one end is connected with the locating piece lateral wall rotation, L shape pull rod other end runs through fixed plate lateral wall and fixed plate sliding connection.

Preferably, the fixed plate is kept away from locating piece one side top fixedly connected with stopper, L shape pull rod is kept away from locating piece one end and stopper joint connection.

Preferably, the rotary groove is formed in the top surface of the replacement block, the circular rotary block is connected in the rotary groove in a sliding mode, sealing gaskets are fixedly connected to the inner side wall of the rotary groove and the inner side wall of the replacement groove, and the side wall of the circular rotary block and the side wall of the replacement block are in sliding connection with the corresponding sealing gasket side wall.

Preferably, the through hole has been seted up in running through of circular turning block top surface one end, through-hole bottom and the filtration pore intercommunication that corresponds, through-hole top intercommunication has the respiratory tube, lower apron top level is equipped with the circle apron, respiratory tube keeps away from through-hole one end and runs through circle apron top middle-end intercommunication and have the respirator, circular turning block lateral wall fixed cover is equipped with the ring gear, ring gear one side meshing is connected with the gear, circle apron bottom is located gear relative position and passes through fixing base fixedly connected with motor, motor output and gear top fixed connection.

Preferably, the blast pipe has been seted up in running through of lower apron surface one end, blast pipe bottom and hydraulic tank intercommunication, install discharge valve on the blast pipe, lower apron surface one end runs through and is equipped with back oil pipe, lower apron surface other end runs through and is equipped with out oil pipe, it all runs through circular rotating block to return oil pipe and play oil pipe top, return oil pipe and play oil pipe bottom all communicate with hydraulic tank.

Compared with the prior art, the utility model has the following beneficial technical effects: when the air filter element is replaced. The L-shaped pull rod is pulled to drive the positioning block to be pulled out of the positioning hole, then the L-shaped pull rod is rotated to enable one end of the L-shaped pull rod to be connected with the limiting block in a clamping mode, the fact that the positioning block is clamped into the positioning hole again due to rebound of the compression spring is avoided, then the replacement block is pulled out of the replacement groove, and therefore an air filter element installed on the replacement block can be replaced without disassembling a lower cover plate, and convenience in replacement of the air filter element is improved; the gear is driven by the motor to rotate, and drives the circular rotating block to rotate through the toothed ring, so that the through holes are aligned with the corresponding filter holes, the alternate use of the air filter element is realized, and the phenomenon that the air filter element is blocked to influence the normal use of the machine is avoided; the sealing performance between the replacement block and the replacement groove and the sealing performance between the circular rotating block and the rotating groove are improved conveniently through the sealing gasket, and the phenomenon of oil splashing is avoided.

Drawings

FIG. 1 shows a schematic view of a front cut-away structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an assembly structure of an embodiment of the present utility model;

fig. 3 is an enlarged schematic view of the structure a in fig. 1 according to an embodiment of the present utility model.

Reference numerals: 1. a lower cover plate; 2. replacing the block; 3. filtering holes; 4. an air filter element; 5. a clamping mechanism; 6. replacing the groove; 7. air holes; 8. a fixing plate; 9. a positioning block; 10. positioning holes; 11. a compression spring; 12. an L-shaped pull rod; 13. a limiting block; 14. a circular rotating block; 15. a rotating groove; 16. a sealing gasket; 17. a through hole; 18. a breathing tube; 19. a round cover plate; 20. a respirator; 21. a motor; 22. a gear; 23. a toothed ring; 24. an exhaust pipe; 25. an exhaust valve; 26. an oil return pipe; 27. and an oil outlet pipe.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the splash-proof hydraulic oil tank cover plate assembly for a forklift provided by the utility model comprises: the lower cover plate 1, the change piece 2 is located lower cover plate 1 top, and two filtration holes 3 run through and set up in change piece 2 bottom both ends, all dismantle in the filtration hole 3 and be connected with air filter 4, and two joint mechanisms 5 are located the both sides of change piece 2 relative position and are used for fixing change piece 2.

The change groove 6 is opened and is located the change piece 2 below in lower apron 1 surface, change piece 2 is located change groove 6, two gas pockets 7 run through and open and be located two filtration pore 3 relative positions in change groove 6 bottom, gas pocket 7 and the filtration pore 3 intercommunication that corresponds, two gas pockets 7 all communicate with hydraulic tank, joint mechanism 5 includes fixed plate 8, lower apron 1 surface and fixed plate 8 bottom fixed connection, compression spring 11 one end is close to change piece 2 one side fixed connection in fixed plate 8, compression spring 11 other end fixedly connected with locating piece 9, locating hole 10 is seted up in change piece 2 lateral wall and is located locating piece 9 relative position, locating hole 10 and the 9 joint of locating piece that corresponds are connected, L shape pull rod 12 is located compression spring 11, L shape pull rod 12 one end and locating piece 9 lateral wall swivelling joint, L shape pull rod 12 other end runs through fixed plate 8 lateral wall and fixed plate 8 sliding connection.

The limiting block 13 is fixedly connected to the top of one side, far away from the positioning block 9, of the fixing plate 8, and one end, far away from the positioning block 9, of the L-shaped pull rod 12 is connected with the limiting block 13 in a clamping mode.

The rotating groove 15 is formed in the top surface of the replacing block 2, the circular rotating block 14 is connected in the rotating groove 15 in a sliding mode, the inner side wall of the rotating groove 15 and the inner side wall of the replacing groove 6 are fixedly connected with sealing gaskets 16, and the side wall of the circular rotating block 14 and the side wall of the replacing block 2 are connected with the corresponding side wall of the sealing gaskets 16 in a sliding mode.

The through hole 17 runs through and sets up in circular turning block 14 top surface one end, through hole 17 bottom and the corresponding filtration pore 3 intercommunication, breathing tube 18 one end is in through hole 17 top intercommunication, circular apron 19 level is located lower apron 1 top, breathing tube 18 other end runs through circular apron 19 top middle-end intercommunication has respirator 20, the fixed cover of ring gear 23 is located circular turning block 14 lateral wall, ring gear 23 one side meshing is connected with gear 22, motor 21 is located gear 22 relative position in circular apron 19 bottom surface through fixing base fixed connection, motor 21 output and gear 22 top fixed connection.

The working principle based on the first embodiment is as follows: the lower cover plate 1 is fixedly connected to the hydraulic oil tank through bolts, the bottom ends of the oil return pipe 26 and the oil outlet pipe 27 are positioned in the hydraulic oil tank, at the moment, the through hole 17 is communicated with one of the filter holes 3, the top of the other filter hole 3 is isolated through the bottom surface of the circular rotating block 14, when the hydraulic oil tank works, the respirator 20 is matched with the breathing pipe 18 and the through hole 17 to send air in the atmosphere into the filter holes 3, the air filter element 4 in the filter holes 3 filters particulate impurities in the air, after a period of working, the motor 21 drives the gear 22 to rotate by one hundred eighty degrees under the consideration of the filtering pressure of the air filter element 4, the gear 22 drives the circular rotating block 14 to rotate by one hundred eighty degrees through the toothed ring 23, the through hole 17 is communicated with the other filter holes 3, the other air filter element 4 is adopted to filter the air, the sealing performance between the replacement block 2 and the replacement groove 6 is convenient to improve through the arrangement of the sealing gasket 16, and the sealing performance between the circular rotating block 14 and the rotating groove 15, avoiding oil splashing, when the machine stops working and needs to replace the air filter element 4, pulling the L-shaped pull rod 12 to drive the positioning block 9 to be pulled out of the positioning hole 10, then rotating the L-shaped pull rod 12 to enable one end of the L-shaped pull rod to be connected with the limiting block 13 in a clamping way, avoiding the rebound of the compression spring 11 to enable the positioning block 9 to be clamped into the positioning hole 10 again, then taking the replacing block 2 out of the replacing groove 6, replacing the air filter element 4 on the replacing block 2 without disassembling the lower cover plate 1, improving the convenience of replacing the air filter element 4, after replacing the air filter element 4, putting the replacing block 2 into the replacing groove 6 again, then rotating the L-shaped pull rod 12 to enable one end of the L-shaped pull rod to be far away from the limiting block 13, enabling the positioning block 9 to be connected with the positioning hole 10 in a clamping way through the elasticity of the compression spring 11, the installation of the replacement block 2 is completed.

Example two

As shown in fig. 1 and 2, based on the first embodiment, the anti-splashing hydraulic oil tank cover plate assembly for a forklift provided by the utility model has the advantages that the exhaust pipe 24 penetrates through one end of the surface of the lower cover plate 1, the bottom of the exhaust pipe 24 is communicated with a hydraulic oil tank, the exhaust pipe 24 is provided with the exhaust valve 25, the oil return pipe 26 penetrates through one end of the surface of the lower cover plate 1, the oil outlet pipe 27 penetrates through the other end of the surface of the lower cover plate 1, the oil return pipe 26 and the top of the oil outlet pipe 27 penetrate through the circular rotating block 14, and the bottoms of the oil return pipe 26 and the oil outlet pipe 27 are communicated with the hydraulic oil tank.

The working principle based on the second embodiment is as follows: through the discharge valve 25 on the blast pipe 24, be convenient for when overhauling hydraulic tank inside, the inside remaining gas of discharge hydraulic tank avoids gas pressure to cause the injury to maintainer.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. An anti-splash hydraulic oil tank cover plate assembly for a forklift, comprising: lower apron (1), its characterized in that: the utility model discloses a filter device, including lower apron (1), change piece (2) bottom both ends all run through and have seted up filtration pore (3), all dismantle in filtration pore (3) and be connected with air filter core (4), change piece (2) relative position's both sides all to be equipped with and be used for carrying out fixed joint mechanism (5) to change piece (2).

2. The splash-proof hydraulic oil tank cover plate assembly for a forklift truck according to claim 1, wherein a replacement groove (6) is formed in the lower portion of the surface of the lower cover plate (1) below the replacement block (2), the replacement block (2) is located in the replacement groove (6), the opposite positions of two filter holes (3) in the bottom of the replacement groove (6) are respectively and penetratingly formed in an air hole (7), the air holes (7) are communicated with the corresponding filter holes (3), the two air holes (7) are communicated with a hydraulic oil tank, the clamping mechanism (5) comprises a fixing plate (8), the bottom of the fixing plate (8) is fixedly connected with the surface of the lower cover plate (1), one side of the fixing plate (8) close to the replacement block (2) is fixedly connected with a compression spring (11), one end of the compression spring (11) away from the fixing plate (8) is fixedly connected with a positioning block (9), the opposite positions of the side walls of the replacement block (2) are respectively provided with a positioning block (10), the positioning holes (10) are respectively and are in clamping connection with the corresponding filter holes (3), the inner side walls (12) are connected with a pull rod (12), the other end of the L-shaped pull rod (12) penetrates through the side wall of the fixed plate (8) and is connected with the fixed plate (8) in a sliding mode.

3. The splash-proof hydraulic oil tank cover plate assembly for the forklift truck according to claim 2, wherein a limiting block (13) is fixedly connected to the top of one side, far away from the positioning block (9), of the fixed plate (8), and one end, far away from the positioning block (9), of the L-shaped pull rod (12) is connected with the limiting block (13) in a clamping mode.

4. The anti-splash hydraulic oil tank cover plate assembly for the forklift truck according to claim 2, wherein a rotating groove (15) is formed in the top surface of the replacement block (2), a circular rotating block (14) is connected in the rotating groove (15) in a sliding mode, sealing gaskets (16) are fixedly connected to the inner side wall of the rotating groove (15) and the inner side wall of the replacement groove (6), and the side wall of the circular rotating block (14) and the side wall of the replacement block (2) are in sliding connection with the corresponding sealing gasket (16).

5. The splash-proof hydraulic oil tank cover plate assembly for a forklift according to claim 4, wherein a through hole (17) is formed in one end of the top surface of the circular rotating block (14) in a penetrating mode, the bottom of the through hole (17) is communicated with a corresponding filtering hole (3), a breathing tube (18) is communicated with the top of the through hole (17), a circular cover plate (19) is horizontally arranged above the lower cover plate (1), a respirator (20) is communicated with the middle end of the top of the circular cover plate (19) in a penetrating mode, far away from one end of the breathing tube (18), of the through hole (17), a toothed ring (23) is fixedly sleeved on the side wall of the circular rotating block (14), a gear (22) is connected to one side of the toothed ring in a meshed mode, a motor (21) is fixedly connected to the bottom surface of the circular cover plate (19) at the opposite position of the gear (22) through a fixing seat, and the output end of the motor (21) is fixedly connected with the top of the gear (22).

6. The splash-proof hydraulic oil tank cover plate assembly for a forklift according to claim 4, wherein an exhaust pipe (24) is arranged at one end of the surface of the lower cover plate (1) in a penetrating mode, the bottom of the exhaust pipe (24) is communicated with a hydraulic oil tank, an exhaust valve (25) is arranged on the exhaust pipe (24), an oil return pipe (26) is arranged at one end of the surface of the lower cover plate (1) in a penetrating mode, an oil outlet pipe (27) is arranged at the other end of the surface of the lower cover plate (1) in a penetrating mode, the tops of the oil return pipe (26) and the oil outlet pipe (27) penetrate through the circular rotating block (14), and the bottoms of the oil return pipe (26) and the oil outlet pipe (27) are communicated with the hydraulic oil tank.