CN216843666U - Forklift hydraulic power unit assembly - Google Patents

Abstract

The utility model relates to a fork truck hydraulic power unit subassembly technical field specifically is fork truck hydraulic power unit subassembly, including the coupling main part, oil pipe is established to coupling main part pot head, and coupling main part one end spiro union swivel nut, coupling main part one side sets up the draining hole, the draining mechanism that draining jogged joint has limit function, promote the arc dish, arc dish extrusion spring, the arc dish passes through the slide bar simultaneously and promotes the end cap, make the end cap break away from with the counter sink together with the seal cover, the hydraulic oil of remaining in coupling main part and hydro-cylinder passes through the return bend and flows, consequently, before making the coupling main part dismantle, arrange remaining hydraulic oil in advance to the oil drum through the return bend, hydraulic oil spills over when avoiding dismantling the coupling main part.

Description

Forklift hydraulic power unit assembly

Technical Field

The utility model relates to a fork truck hydraulic power unit subassembly technical field specifically is fork truck hydraulic power unit subassembly.

Background

The hydraulic power unit comprises check valve + overflow valve + proportional solenoid valve (contain the pressure and mend the function) + gear pump and 13L iron oil case (customer is from joining in marriage), be used in fork truck hydraulic system, the working oil mouth connects the hydro-cylinder, hydraulic fluid passes through the gear pump inflow hydro-cylinder in the oil tank, connect oil pipe on the hydro-cylinder, oil pipe connection oil tank, for the convenience of oil pipe's dismantlement, install the coupling on the hydro-cylinder, because hydraulic oil makes a round trip to circulate for a long time and uses, lead to gathering together dirty in the hydro-cylinder, consequently set up the filter screen between coupling and the hydro-cylinder, the filter screen can filter hydraulic oil.

Set up the counter sink on the hydro-cylinder, the filter screen is placed in the counter sink, and coupling spiro union counter sink is fixed the filter screen in the counter sink, will pile up too much filth on using the filter screen for a long time, will pile up filth in the coupling simultaneously, consequently need take off coupling and filter screen and clear up, because there are remaining pressure and hydraulic oil in the hydro-cylinder, when consequently dismantling the coupling, remaining hydraulic oil goes out the blowout from the counter sink, causes the pollution of surrounding environment, for this reason, the utility model provides a fork truck hydraulic power unit subassembly is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fork truck hydraulic power unit subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the forklift hydraulic power unit assembly comprises a pipe joint main body, wherein an oil pipe is sleeved at one end of the pipe joint main body, a threaded sleeve is screwed at one end of the pipe joint main body, an oil drainage hole is formed in one side of the pipe joint main body, and the oil drainage hole is connected with an oil drainage mechanism with a limiting function;

the oil drainage mechanism comprises a bent pipe, a counter bore is arranged in one end of the bent pipe, a plug is arranged in the counter bore, a sealing sleeve is sleeved on the plug, a sliding rod is fixedly connected to the middle of one side of the plug, a spring is sleeved on the sliding rod, and a clamping mechanism is arranged at one end of the sliding rod.

Preferably, screens mechanism includes the arc dish, and arc dish one side middle part fixed connection knob, the spring is located the fixing base, sets up L type cardboard on the fixing base, fixing base fixed connection return bend.

Preferably, the other end of the pipe joint main body is provided with a first external thread, the first external thread is in threaded connection with the oil cylinder, one end of the pipe joint main body is provided with a second external thread, and the second external thread is in threaded connection with a threaded hole arranged in the threaded sleeve.

Preferably, the elbow is fixedly connected with the oil drainage hole, and the oil pipe is fastened at the other end of the pipe joint main body through a threaded sleeve.

Preferably, the sliding rod is sleeved with a rubber sleeve, the sliding rod is connected with the rubber sleeve in a sliding mode, and the rubber sleeve is embedded into the bent pipe.

Preferably, the axle center part of the arc-shaped disc is embedded into a bearing, and the inner ring of the bearing is connected with the sliding rod.

Preferably, the L-shaped clamping plate is clamped with the arc-shaped disc.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the arc-shaped disc is pushed to extrude the spring, meanwhile, the arc-shaped disc pushes the plug through the sliding rod, so that the plug is separated from the counter sink together with the sealing sleeve, and hydraulic oil remained in the pipe joint main body and the oil cylinder flows out through the bent pipe, so that the residual hydraulic oil is discharged into an oil drum in advance through the bent pipe before the pipe joint main body is disassembled, and the hydraulic oil is prevented from overflowing when the pipe joint main body is disassembled;

2. promote the arc dish and remove, make hydraulic oil flow, be located L type cardboard one side until the arc dish, then rotate the arc dish through the knob and be located L type cardboard one side, then loosen the arc dish, under the bounce-back effect of spring, make the arc dish support L type cardboard, thereby realize the connecing of arc dish and L type cardboard, make the return bend keep unobstructed always, close the return bend as required, rotate the arc dish, make the arc dish stagger with L type cardboard, under the bounce-back effect of spring, make the end cap slide into the countersunk head with the seal cover in, consequently, set for through the cooperation of screens mechanism and spring, the staff of being convenient for opens and shuts the return bend, staff's work efficiency has been improved.

Drawings

FIG. 1 is a partial sectional view of the structure of the present invention;

FIG. 2 is a sectional view of the structure of the utility model of the joint body, the oil drainage hole and the oil drainage mechanism;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a pipe joint main body; 2. a threaded sleeve; 3. an oil pipe; 4. an oil drainage hole; 5. an oil drainage mechanism; 501. bending the pipe; 502. a countersunk hole; 503. a plug; 504. sealing sleeves; 505. a slide bar; 506. a spring; 507. a clamping mechanism; 5071. a fixed seat; 5072. an L-shaped clamping plate; 5073. an arc-shaped disc; 5074. a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a hydraulic power unit component of a forklift comprises a pipe joint main body 1, wherein an oil pipe 3 is sleeved at one end of the pipe joint main body 1, a threaded sleeve 2 is screwed at one end of the pipe joint main body 1, an oil drainage hole 4 is formed in one side of the pipe joint main body 1, the oil drainage hole 4 is connected with an oil drainage mechanism 5 with a limiting function, the oil drainage mechanism 5 comprises a bent pipe 501, a counter sink hole 502 is formed in one end of the bent pipe 501, a plug 503 is arranged in the counter sink hole 502, a sealing sleeve 504 is sleeved on the plug 503, a sliding rod 505 is fixedly connected to the middle of one side of the plug 503, a spring 506 is sleeved on the sliding rod 505, a clamping mechanism 507 is arranged at one end of the sliding rod 505, a first external thread screwed oil cylinder is arranged at the other end of the pipe joint main body 1, a second external thread is screwed with a threaded hole formed in the threaded sleeve 2, the bent pipe 501 is fixedly connected with the oil drainage hole 4, the oil pipe 3 is fastened to the other end of the pipe joint main body 1 through the threaded sleeve 2, a rubber sleeve is sleeved on the sliding rod 505, and the sliding rod 505 is slidably connected with a rubber sleeve, the rubber sleeve is embedded into the elbow 501, wherein when the oil pipe 3 needs to be installed, the threaded sleeve 2 is sleeved on the oil pipe 3, then the oil pipe 3 is inserted into one end of the pipe joint main body 1, the threaded sleeve 2 is in threaded connection with an external thread II arranged at one end of the pipe joint main body 1, the threaded sleeve 2 extrudes the oil pipe 3 on the pipe joint main body 1 along with the rotation of the threaded sleeve 2, so that the oil pipe 3 is fixed on the pipe joint main body 1, secondly, when the pipe joint body 1 needs to be disassembled, the arc-shaped disc 5073 is pushed, the arc-shaped disc 5073 presses the spring 506, meanwhile, the arc-shaped disc 5073 pushes the plug 503 through the sliding rod 505, so that the plug 503 together with the sealing sleeve 504 is separated from the counter sink 502, the hydraulic oil remained in the pipe joint main body 1 and the oil cylinder flows out through the elbow 501, therefore, before the pipe joint main body 1 is disassembled, the residual hydraulic oil is discharged into an oil drum in advance through the bent pipe 501, and the hydraulic oil is prevented from overflowing when the pipe joint main body 1 is disassembled;

the clamping mechanism 507 comprises an arc-shaped disc 5073, a knob 5074 is fixedly connected to the middle of one side of the arc-shaped disc 5073, a spring 506 is located on a fixed seat 5071, an L-shaped clamping plate 5072 is arranged on the fixed seat 5071, the fixed seat 5071 is fixedly connected with the elbow 501, the shaft center of the arc-shaped disc 5073 is embedded into a bearing, the inner ring of the bearing is connected with a sliding rod 505, the L-shaped clamping plate 5072 is clamped with the arc-shaped disc 5073, the arc-shaped disc 5073 is pushed to move to enable hydraulic oil to flow out until the arc-shaped disc 5073 is located on one side of the L-shaped clamping plate 5072, then the arc-shaped disc 5073 is rotated to one side of the L-shaped clamping plate 5072 through the knob 5074, then the arc-shaped disc 5073 is loosened, under the reverse elasticity of the spring 506, the arc-shaped disc 5073 abuts against the L-shaped clamping plate 5072, so that the arc-shaped disc 5073 can be connected with the L-shaped clamping plate 5072, the elbow 501 can be kept smooth all the time, when the elbow 501 needs to be closed, the arc-shaped disc 5073 is rotated, so that the arc-shaped disc 5073 and the L-shaped clamping plate 5072 are staggered under the reverse elasticity of the spring 506, the plug 503 and the sealing sleeve 504 slide into the counter bore 502, so that the clamping mechanism 507 and the spring 506 are matched, the bent pipe 501 can be opened and closed conveniently by workers, and the working efficiency of the workers is improved.

The working principle is as follows: in the using process, when the pipe joint main body 1 needs to be disassembled, the arc-shaped disc 5073 is pushed, the arc-shaped disc 5073 extrudes the spring 506, meanwhile, the arc-shaped disc 5073 pushes the plug 503 through the sliding rod 505, so that the plug 503 and the sealing sleeve 504 are separated from the counter bore 502 until the arc-shaped disc 5073 is located on one side of the L-shaped clamping plate 5072, then the arc-shaped disc 5073 is rotated through the knob 5074 to be located on one side of the L-shaped clamping plate 5072, then the arc-shaped disc 5073 is loosened, and under the action of the resilience of the spring 506, the arc-shaped disc 5073 abuts against the L-shaped clamping plate 5072.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Fork truck hydraulic power unit subassembly, including coupling main part (1), oil pipe (3) are established to coupling main part (1) pot head to coupling main part (1) one end spiro union swivel nut (2), coupling main part (1) one side sets up bleeder vent (4), its characterized in that: the oil drainage hole (4) is connected with an oil drainage mechanism (5) with a limiting function;

the oil drainage mechanism (5) comprises an elbow pipe (501), a counter bore (502) is arranged in one end of the elbow pipe (501), a plug (503) is arranged in the counter bore (502), a sealing sleeve (504) is sleeved on the plug (503), a sliding rod (505) is fixedly connected to the middle of one side of the plug (503), a spring (506) is sleeved on the sliding rod (505), and a clamping mechanism (507) is arranged at one end of the sliding rod (505).

2. The forklift hydraulic power unit assembly of claim 1, wherein: screens mechanism (507) includes arc dish (5073), arc dish (5073) one side middle part fixed connection knob (5074), spring (506) are located fixing base (5071), set up L type cardboard (5072) on fixing base (5071), fixing base (5071) fixed connection return bend (501).

3. The forklift hydraulic power unit assembly of claim 1, wherein: the oil pipe joint is characterized in that an external thread I is arranged at the other end of the pipe joint main body (1), the external thread I is in threaded connection with an oil cylinder, an external thread II is arranged at one end of the pipe joint main body (1), and the external thread II is in threaded connection with a threaded hole arranged in the threaded sleeve (2).

4. The forklift hydraulic power unit assembly of claim 1, wherein: the elbow (501) is fixedly connected with an oil drainage hole (4), and the oil pipe (3) is fastened at the other end of the pipe joint main body (1) through a threaded sleeve (2).

5. The forklift hydraulic power unit assembly of claim 1, wherein: the rubber sleeve is sleeved on the sliding rod (505), the sliding rod (505) is connected with the rubber sleeve in a sliding mode, and the rubber sleeve is embedded into the bent pipe (501).

6. The forklift hydraulic power unit assembly of claim 2, wherein: the shaft center part of the arc-shaped disc (5073) is embedded into a bearing, and the inner ring of the bearing is connected with the sliding rod (505).

7. The forklift hydraulic power unit assembly of claim 2, wherein: the L-shaped clamping plate (5072) is clamped with the arc-shaped disc (5073).

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