CN220415854U - Fork truck hydraulic tank - Google Patents
Fork truck hydraulic tank Download PDFInfo
- Publication number
- CN220415854U CN220415854U CN202322112637.7U CN202322112637U CN220415854U CN 220415854 U CN220415854 U CN 220415854U CN 202322112637 U CN202322112637 U CN 202322112637U CN 220415854 U CN220415854 U CN 220415854U
- Authority
- CN
- China
- Prior art keywords
- oil
- oil tank
- fixed
- steel pipe
- hydraulic oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003921 oil Substances 0.000 claims abstract description 186
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000740 bleeding effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to the technical field of oil tanks and discloses a forklift hydraulic oil tank, which comprises a hydraulic oil tank and is characterized in that a top cover is fixed at the top of the hydraulic oil tank, an integrated cover plate assembly is fixed on the upper surface of the top cover, the integrated cover plate assembly comprises a cover plate fixed on the upper surface of the hydraulic oil tank, an oil return steel pipe, an oiling steel pipe, a steering oil return pipe, an oil suction steel pipe and a portal oil return pipe are fixed on the surface of the cover plate, an oil suction filter is arranged at the bottom interface of the oil return steel pipe, a connecting pipe is fixed between the oil suction filter and the oil return steel pipe, and an oil return protective shell is jointly fixed at the bottoms of the steering oil return pipe and the oil suction steel pipe. The utility model solves the problems that the internal space of the vehicle body is occupied, and a lot of difficulties are brought to the layout and maintenance of other parts; the problems of mutual interference of oil sucked back by the hydraulic oil tank, high oil temperature, insufficient oil suction, splashing oil bleeding of the oil and oil leakage of the oil tank are solved.
Description
Technical Field
The utility model relates to the technical field of oil tanks, in particular to a forklift hydraulic oil tank.
Background
At present, on an oil suction pipe and an inner wall plate of an oil suction filter built-in hydraulic oil tank in a general hydraulic system, an oil return pipe outside an oil return filter built-out hydraulic oil tank is high in manufacturing cost, occupies the internal space of a forklift body, and brings a lot of difficulties to the layout and maintenance of other parts. Although the prior art also provides an oil tank cover plate assembly device integrating the oil suction pipe, the breather and the oil tank cover plate, the oil tank cover plate assembly device has the advantages of low integration level, unreasonable structural layout and the like, and unstable structure, so that the problems of mutual interference of oil suction and return of a hydraulic oil tank, higher oil temperature, insufficient oil suction, splashing and oil leakage of an oil tank pad and the like are caused. Aiming at the defects, the hydraulic oil tank for the forklift truck solves the problems that the hydraulic oil tank sucks back oil liquid and is mutually interfered, the oil temperature is higher, the oil absorption is insufficient, the oil liquid splashes and leaks oil, and the oil tank leaks oil.
Disclosure of Invention
Based on the technical problems in the background art, the utility model provides the forklift hydraulic oil tank, which solves the problems that the internal space of a forklift is occupied, and a lot of difficulties are brought to the layout and maintenance of other parts; the problems of mutual interference of oil sucked back by the hydraulic oil tank, high oil temperature, insufficient oil suction, splashing oil bleeding of the oil and oil leakage of the oil tank are solved.
The utility model provides a forklift hydraulic oil tank, which comprises a hydraulic oil tank, wherein a top cover is fixed at the top of the hydraulic oil tank, an integrated cover plate assembly is fixed on the upper surface of the top cover, the integrated cover plate assembly comprises a cover plate fixed on the upper surface of the hydraulic oil tank, an oil return steel pipe, an oiling steel pipe, a steering oil return pipe, an oil suction steel pipe and a portal oil return pipe are fixed on the surface of the cover plate, an oil suction filter is arranged at the bottom interface of the oil return steel pipe, a connecting pipe is fixed between the oil suction filter and the oil return steel pipe, an oil return protective shell is jointly fixed at the bottoms of the steering oil return pipe and the oil suction steel pipe, and the top of the oiling steel pipe is sleeved with the oil return cover assembly;
the oiling cover assembly comprises a cover core which is in butt joint with the top of an oiling steel pipe, a copper-based particle filter plate is fixed in the middle of the cover plate, a shell is sleeved outside the cover core, a copper-based particle filter core is fixed between the shell and the cover core, an oil scale is sleeved at the inner center of the shell, a plurality of oil baffle plates are sleeved on the surface of the oil scale, and a plurality of conical holes are formed in the surface of the oil baffle plates.
Preferably, a plurality of bolts are fixed between the hydraulic oil tank and the cover plate, a first combined sealing ring is arranged between the bolts and the cover plate in a cushioning mode, and a special multi-face sealing gasket for the oil tank is sleeved on the surface of the bolts and positioned between the top cover and the cover plate.
Preferably, the first protruding sealing surface is seted up to the upper surface outer lane of the special multiaspect sealed pad of oil tank, the second protruding sealing surface has been seted up to the upper surface inner lane of the special multiaspect sealed pad of oil tank, the third protruding sealing surface has been seted up to the lower surface outer lane of the special multiaspect sealed pad of oil tank, the fourth protruding sealing surface has been seted up to the lower surface inner lane of the special multiaspect sealed pad of oil tank, a plurality of round holes have been seted up on the surface of the special multiaspect sealed pad of oil tank, be provided with the protruding sealing surface of fifth around the upper and lower both ends of round hole.
Preferably, the inside of oil return protective housing is fixed with the screw rod, the surface of screw rod is provided with the oil return filter core, be fixed with a plurality of bolts between oil return filter core and the screw rod.
Preferably, a sealing gasket is arranged between the cover core and the oiling steel pipe, and a spring clamping ring is sleeved between the copper-based particle filter plate and the shell.
Preferably, a first cotter pin is clamped between the oil gauge and the shell, and an oil second cotter pin is clamped between the oil baffle plate and the oil gauge.
Preferably, an oil drain plug is arranged at the bottom of the hydraulic oil tank, and a second combined sealing ring is sleeved between the oil drain plug and the hydraulic oil tank.
Compared with the prior art, the utility model has the beneficial technical effects that:
1. the oil filter for sucking back oil is arranged on the cover plate of the hydraulic oil tank, and the oil for sucking back is not interfered with each other;
2. oil leakage is prevented;
3. has the functions of breathing, ventilation and oiling;
4. and an oil baffle plate with a plurality of tapered holes is adopted to prevent splashing oil from overflowing.
Drawings
Fig. 1 is a cross-sectional view of a hydraulic oil tank of a forklift hydraulic oil tank according to the present utility model.
Fig. 2 is a top view of a hydraulic oil tank of the forklift hydraulic oil tank according to the present utility model.
Fig. 3 is a schematic structural diagram of an integrated cover plate assembly of a hydraulic oil tank of a forklift truck according to the present utility model.
Fig. 4 is a schematic diagram of an installation structure of a fuel cap assembly of a hydraulic fuel tank of a forklift.
Fig. 5 is a cross-sectional view of a filler cap assembly of a hydraulic tank of a forklift truck according to the present utility model.
Fig. 6 is a schematic diagram of a fuel cap assembly of a hydraulic fuel tank of a forklift according to the present utility model.
Fig. 7 is a schematic diagram of a structure of a special multi-surface sealing gasket for a forklift hydraulic oil tank.
Fig. 8 is a partial structural cross-sectional view of a special multi-surface gasket for a forklift hydraulic oil tank.
In the figure: 1. hydraulic oil tank, 1.1, top cap, 2, integrated cover plate assembly, 2.1, cover plate, 2.2, oil return steel pipe, 2.3, oil return steel pipe, 2.4, steering oil return pipe, 2.5, oil suction steel pipe, 2.6, portal oil return pipe, 2.7, oil return oil filter, 2.8, connecting pipe, 2.9, oil return protective shell, 2.10, nut, 2.11, screw, 2.12, oil suction filter core, 3, oil return cap assembly, 3.1, shell, 3.2, cover core, 3.3, gasket, 3.4, spring collar, 3.5, first cotter pin, 3.6, second cotter pin, 3.7, oil baffle, 3.71, tapered bore, 3.8, oil scale, 3.9, copper-based particle filter plate, 3.10, copper-based particle filter core, 4, bolt, 5, first combined seal ring, 6, oil tank multi-sided gasket, 6.1, first protrusion, 6.2, second protrusion, 6.3.5, third protrusion, 6.7, fourth protrusion, sealing surface, fifth sealing surface, and combination sealing surface.
Detailed Description
Referring to fig. 1-8, a forklift hydraulic oil tank comprises a hydraulic oil tank 1, a top cover 1.1 is fixed at the top of the hydraulic oil tank 1, an integrated cover plate assembly 2 is fixed on the upper surface of the top cover 1.1, the integrated cover plate assembly 2 comprises a cover plate 2.1 fixed on the upper surface of the hydraulic oil tank, an oil return steel pipe 2.2, an oil filling steel pipe 2.3, a steering oil return pipe 2.4, an oil suction steel pipe 2.5 and a portal oil return pipe 2.6 are fixed on the surface of the cover plate 2.1, an oil suction filter 2.7 is arranged at the bottom interface of the oil return steel pipe 2.2, a connecting pipe 2.8 is fixed between the oil suction filter 2.7 and the oil return steel pipe 2.2, an oil return protection shell 2.9 is jointly fixed at the bottoms of the steering oil return pipe 2.4 and the oil suction steel pipe 2.5, and the top of the oil filling steel pipe 2.3 is sleeved with the oil filling cover assembly 3; the oiling cover assembly 3 comprises a cover core 3.2 which is in butt joint with the top of an oiling steel pipe, a copper-based particle filter plate 3.9 is fixed in the middle of the cover plate 3.2, a shell 3.1 is sleeved outside the cover core 3.2, a copper-based particle filter core 3.10 is fixed between the shell 3.1 and the cover core 3.2, an oil scale 3.8 is sleeved at the inner center of the shell 3.1, a plurality of oil baffle plates 3.7 are sleeved on the surface of the oil scale 3.8, and a plurality of conical holes 3.71 are formed in the surface of the oil baffle plates 3.7.
A plurality of bolts 4 are fixed between the hydraulic oil tank 1 and the cover plate 2.1, a first combined sealing ring 5 is arranged between the bolts 4 and the cover plate 2.1 in a sleeved mode, a special multi-face sealing gasket 6 for the oil tank is sleeved on the surface of the bolts 4 and between the top cover 1.1 and the cover plate 2.1, a first convex sealing face 6.1 is arranged on the outer ring of the upper surface of the special multi-face sealing gasket 6 for the oil tank, a second convex sealing face 6.2 is arranged on the inner ring of the upper surface of the special multi-face sealing gasket 6 for the oil tank, a third convex sealing face 6.3 is arranged on the outer ring of the lower surface of the special multi-face sealing gasket 6 for the oil tank, a fourth convex sealing face 6.4 is arranged on the inner ring of the lower surface of the special multi-face sealing gasket 6 for the oil tank, a plurality of round holes 6.5 are arranged on the surface of the special multi-face sealing gasket 6 for the oil tank, the periphery of the upper end and the lower end of the round hole 6.5 is provided with a fifth protruding sealing surface 6.6, the inside of the oil return protection shell 2.9 is fixedly provided with a screw rod 2.11, the surface of the screw rod 2.11 is provided with an oil return filter element 2.12, a plurality of bolts 2.10 are fixedly arranged between the oil return filter element 2.12 and the screw rod 2.11, a sealing gasket 3.3 is arranged between a cover core 3.2 and an oiling steel pipe 2.3 in a filling manner, a spring collar 3.4 is sleeved between a copper-based particle filter plate 3.10 and a shell 3.1, a first cotter pin 3.5 is clamped between an oil scale 3.8 and the shell 3.1, an oil second cotter pin 3.6 is clamped between an oil baffle 3.7 and the oil scale 3.8, an oil drain plug 8 is arranged at the bottom of the hydraulic oil tank 1, and a second combined sealing ring 7 is sleeved between the oil drain plug 8 and the hydraulic oil tank 1.
When the forklift hydraulic system works, oil in the hydraulic oil tank 1 is filtered by the oil suction filter element 2.12 and enters the oil suction steel pipe 2.5, and is supplied to the forklift hydraulic system to work through the gear pump, and the oil suction protection shell 2.9 can prevent the hydraulic oil tank 1 from foaming caused by insufficient air suction and oil return, so that the hydraulic system is invalid in work; the working oil of the forklift hydraulic system enters an oil return filter 2.7 through an oil return steel pipe 2.2 for filtering, the oil flows back to the hydraulic oil tank 1, and the oil return filter 2.7 can protect the oil in the hydraulic oil tank 1 from being cleaned; the filler cap assembly 3 has no filler function and also has inhalation and exhalation functions. During air suction, the external atmosphere enters the copper-based particle filter core 3.10 through the cover core 3.2 for filtering, and enters the oiling steel pipe 2.3 and the conical hole 3.71 of the conical oil baffle 3.7 for filtering again through the copper-based particle filter plate 3.9, and enters the hydraulic oil tank 1 to help the gear pump to finish oil suction; when exhaling, the temperature of the oil in the hydraulic oil tank is increased, the oil is gasified, and the oil gas exhales through the conical holes 3.71 of the conical oil baffle plate 3.7, the oiling steel pipe 2.3, the copper-based particle filter plate 3.9 and the copper-based particle filter element 3.10 to form gas exchange and heat dissipation. The forklift steering return oil flows back to the hydraulic oil tank 1 through the steering return oil steel pipe 2.4; the leaked oil in the lifting oil cylinder of the forklift gantry flows back to the hydraulic oil tank 1 through the gantry oil return steel pipe 2.6; the special multi-surface sealing gasket 6 for the oil tank mainly prevents oil in the hydraulic oil tank 1 from leaking oil through the installation threaded hole and the installation joint surface, thereby playing a role in sealing.
Claims (7)
1. The forklift hydraulic oil tank comprises a hydraulic oil tank and is characterized in that a top cover is fixed at the top of the hydraulic oil tank, an integrated cover plate assembly is fixed on the upper surface of the top cover, the integrated cover plate assembly comprises a cover plate fixed on the upper surface of the hydraulic oil tank, an oil return steel pipe, an oiling steel pipe, a steering oil return pipe, an oil suction steel pipe and a portal oil return pipe are fixed on the surface of the cover plate, an oil suction filter is arranged at a bottom interface of the oil return steel pipe, a connecting pipe is fixed between the oil suction filter and the oil return steel pipe, an oil return protective shell is jointly fixed at the bottoms of the steering oil return pipe and the oil suction steel pipe, and the top of the oiling steel pipe is sleeved with the oil return cover assembly;
the oiling cover assembly comprises a cover core which is in butt joint with the top of an oiling steel pipe, a copper-based particle filter plate is fixed in the middle of the cover plate, a shell is sleeved outside the cover core, a copper-based particle filter core is fixed between the shell and the cover core, an oil scale is sleeved at the inner center of the shell, a plurality of oil baffle plates are sleeved on the surface of the oil scale, and a plurality of conical holes are formed in the surface of the oil baffle plates.
2. The forklift hydraulic oil tank of claim 1, wherein a plurality of bolts are fixed between the hydraulic oil tank and the cover plate, a first combined sealing ring is arranged between the bolts and the cover plate in a cushioning manner, and a special multi-surface sealing gasket for the oil tank is sleeved on the surface of the bolts and between the top cover and the cover plate.
3. The forklift hydraulic oil tank of claim 2, wherein the first convex sealing surface is provided on the outer ring of the upper surface of the special multi-surface sealing pad for the oil tank, the second convex sealing surface is provided on the inner ring of the upper surface of the special multi-surface sealing pad for the oil tank, the third convex sealing surface is provided on the outer ring of the lower surface of the special multi-surface sealing pad for the oil tank, the fourth convex sealing surface is provided on the inner ring of the lower surface of the special multi-surface sealing pad for the oil tank, a plurality of round holes are provided on the surface of the special multi-surface sealing pad for the oil tank, and fifth convex sealing surfaces are provided around the upper end and the lower end of each round hole.
4. The forklift hydraulic oil tank of claim 1, wherein a screw is fixed inside the oil return protective housing, an oil return filter element is arranged on the surface of the screw, and a plurality of bolts are fixed between the oil return filter element and the screw.
5. The forklift hydraulic oil tank of claim 1, wherein a gasket is interposed between the cap core and the filler steel tube, and a spring collar is interposed between the copper-based particulate filter plate and the outer case.
6. The forklift hydraulic oil tank of claim 1, wherein a first cotter pin is clamped between the oil gauge and the housing, and an oil second cotter pin is clamped between the oil baffle and the oil gauge.
7. The forklift hydraulic oil tank of claim 1, wherein an oil drain plug is arranged at the bottom of the hydraulic oil tank, and a second combined sealing ring is sleeved between the oil drain plug and the hydraulic oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112637.7U CN220415854U (en) | 2023-08-08 | 2023-08-08 | Fork truck hydraulic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112637.7U CN220415854U (en) | 2023-08-08 | 2023-08-08 | Fork truck hydraulic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415854U true CN220415854U (en) | 2024-01-30 |
Family
ID=89644472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322112637.7U Active CN220415854U (en) | 2023-08-08 | 2023-08-08 | Fork truck hydraulic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415854U (en) |
-
2023
- 2023-08-08 CN CN202322112637.7U patent/CN220415854U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |