Rotational molding hydraulic oil tank

Abstract

The utility model belongs to the field of oil tanks, and particularly relates to a rotational molding hydraulic oil tank which comprises an oil tank body, and a fixed pressing plate is arranged on one side of the oil tank body. A fixing plate is arranged on the other side of the oil tank body; the fixed plate and the fixed pressing plate are connected through a bolt; a plurality of nuts are fixedly connected to the inner side wall of the fixing plate; an oil suction connector is arranged in the middle of the oil tank body. An oil tank cover is arranged at the top of the oil tank body; an oil return joint is arranged at the top of the oil tank body; by arranging the oil suction connector and the oil return connector, oil in the oil tank body can enter an engine from the oil suction connector through an oil pump, redundant oil can flow back into the oil tank body through the oil return connector, and finally due to the fact that the oil tank body is integrally formed in a rotational molding mode, the oil tank is free of corrosion worries, resistant to aging, capable of being used in the whole service life, low in cost and convenient to use. The cost is reduced, and the market competitiveness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oil tank, specifically a rotomoulding hydraulic oil tank. BACKGROUND

[0002] The hydraulic oil tank of a forklift is an important component of the hydraulic system of the forklift, and bears the oil volume and pressure of the hydraulic system. The design and material selection of the hydraulic oil tank have an important influence on the performance and service life of the forklift. The hydraulic oil tank of a forklift is generally divided into an oil tank body and an oil tank cover, and is usually welded from a steel plate or other metal material.

[0003] Most of the existing hydraulic oil tanks of forklifts are made of metal. In use and observation, it is found that the metal oil tank has poor rust resistance. At the same time, the welding position of the oil tank is prone to false welding, has problems such as sand eyes, etc., which can cause oil leakage and make the sealing effect of the oil tank poor.

[0004] Therefore, a rotomoulding hydraulic oil tank is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0006] The utility model discloses a rotomoulding hydraulic oil tank, which comprises an oil tank body, a fixed pressing plate is arranged on one side of the oil tank body, a fixed plate is arranged on the other side of the oil tank body, the fixed plate and the fixed pressing plate are connected through bolts, a plurality of nuts are fixedly connected to the inner wall of the fixed plate, an oil suction connector is arranged in the middle of the oil tank body, an oil tank cover is arranged on the top of the oil tank body, an oil return connector is arranged on the top of the oil tank body, the fixed pressing plate and the fixed plate can be arranged on both sides of the oil tank body during installation, and the fixed pressing plate and the fixed plate are fixed through bolts. The oil tank body is installed on the surface of the fixed plate under the fixing action of the bolts and the fixed pressing plate, so that the connection between the oil tank body and the fixed plate is more firm. At the same time, a plurality of nuts are arranged on the surface of the fixed plate through welding, so that the oil tank body can be connected to the vehicle through bolts, the convenience of installing the oil tank body in the vehicle body is improved, the oil in the oil tank body can enter the engine through the oil suction connector and the oil pump, and the excess oil can flow back to the inside of the oil tank body through the oil return connector. Finally, the oil tank body is integrally formed through rotomoulding, so there is no rust problem, it is resistant to aging and can be used for the whole service life. In addition, the cost is low, the cost is reduced, and the market competitiveness is improved.

[0007] Preferably, a filter is arranged in the middle of the oil suction connector, and the filter is arranged in the inside of the oil tank body. The filter can filter the oil, reduce impurities in the oil, and ensure the purity of the oil entering the engine.

[0008] Preferably, the bottom of the oil return joint is provided with an extension pipe; the extension pipe is made of flexible material; by providing the extension pipe, the oil flowing back through the oil return joint can smoothly flow into the inside of the oil tank body, avoiding the oil from staying or wasting in the pipeline.

[0009] Preferably, a plugging head is mounted inside the oil tank cover; an exhaust hole is formed in the middle of the plugging head; a rubber baffle is mounted in the middle of the plugging head; the rubber baffle is in a micro-L-shaped structure; when oil is added to the inside of the oil tank body, oil gas will be generated due to the rapid combustion of the oil in the oil tank body; when the oil tank cover is opened, the oil gas will flow out from the gap on the side of the rubber baffle through the exhaust hole, ensuring the stability of the pressure in the oil tank body.

[0010] The utility model discloses the advantages are as follows:

[0011] 1. A rotomolded hydraulic oil tank, because the oil tank body is integrally formed by rotomolding, there is no rusting worry, and it is resistant to aging and can be used throughout its life. In addition, the cost is low, which plays a role in reducing costs and increasing market competitiveness.

[0012] 2. The rotomolded hydraulic oil tank, by setting up the filter, the filter can filter the oil, reduce the impurity in the oil, ensure the purity of the oil into the engine. DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

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

[0015] Figure 2 It is the structure schematic view of the fixed pressing plate in the utility model;

[0016] Figure 3 It is the structure schematic view of the exhaust hole in the utility model.

[0017] In the drawing: 1, oil tank body; 12, oil tank cover; 13, fixed plate; 14, fixed pressing plate; 15, oil suction joint; 16, oil return joint; 17, nut; 2, filter; 3, extension pipe; 4, plugging head; 42, exhaust hole; 43, rubber baffle. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Specific embodiments are given below.

[0020] Please refer to Figures 1 to 3 As shown in the figure, the utility model discloses a rotomolding hydraulic oil tank, one side of the oil tank body 1 is equipped with fixed pressing plate 14, the other side of the oil tank body 1 is equipped with fixed plate 13, fixed plate 13 and fixed pressing plate 14 are connected through bolt, the inner wall of fixed plate 13 is fixedly connected with a plurality of nuts 17, the middle part of the oil tank body 1 is equipped with oil suction connector 15, the top of the oil tank body 1 is equipped with oil tank cover 12, the top of the oil tank body 1 is equipped with oil return connector 16, the oil tank body 1 can be equipped with fixed pressing plate 14 and fixed plate 13 on both sides of the oil tank body 1 when installing, and fixed pressing plate 14 and fixed plate 13 are fixed through bolt, the oil tank body 1 is installed on the surface of fixed plate 13 under the fixed action of bolt and fixed pressing plate 14, so that the oil tank body 1 and fixed plate 13 are connected more firmly, and a plurality of nuts 17 welded on the surface of fixed plate 13 are connected with the whole vehicle through bolt, the convenience of installing the oil tank body 1 in the vehicle body is improved, the oil in the oil tank body 1 can enter the engine through oil pump through oil suction connector 15, and the excess oil can flow back to the inside of the oil tank body 1 through oil return connector 16, finally, the oil tank body 1 is integrally formed by rotomolding, without rusting, and is resistant to aging, can be used for the whole life, in addition, the cost is low, the cost is reduced, and the market competitiveness is increased.

[0021] Please refer to Figure 2 As shown in the figure, the middle part of the oil suction connector 15 is equipped with filter 2, and the filter 2 is located in the inside of the oil tank body 1, through the setting of filter 2, the filter 2 can filter the oil, reduce the impurities in the oil, and ensure the purity of the oil entering the engine.

[0022] Please refer to Figure 2 As shown in the figure, the bottom of the oil return connector 16 is equipped with extension pipe 3, and the extension pipe 3 is made of flexible material, through the setting of extension pipe 3, the oil flowing back through oil return connector 16 can flow smoothly into the inside of the oil tank body 1, avoiding the stagnation or waste of oil in the pipeline.

[0023] Please refer to Figure 3The oil tank cover 12 is internally mounted with a blanking head 4; the middle part of the blanking head 4 is provided with an exhaust hole 42; the middle part of the blanking head 4 is mounted with a rubber baffle 43; the rubber baffle 43 is a micro-L-shaped structure; when oil is added to the inside of the oil tank body 1, the air in the oil tank body 1 will generate oil gas due to the rapid combustion of the oil body, at this time, after the oil tank cover 12 is opened, the oil gas will flow out through the exhaust hole 42 and the gap on one side of the rubber baffle 43, thereby ensuring the stability of the pressure in the oil tank body 1.

[0024] Working principle: when the oil tank body 1 is installed, the fixed pressing plate 14 and the fixed plate 13 can be arranged on both sides of the oil tank body 1, and the fixed pressing plate 14 and the fixed plate 13 are fixed through bolts, the oil tank body 1 is installed on the surface of the fixed plate 13 under the fixing action of the bolts and the fixed pressing plate 14, so that the oil tank body 1 and the fixed plate 13 are more firmly connected, meanwhile, a plurality of nuts 17 are arranged on the surface of the fixed plate 13 and welded, so that the vehicle can be connected through bolts, thereby improving the convenience of installing the oil tank body 1 in the vehicle body, the oil suction connector 15 and the oil return connector 16 are arranged, so that the oil in the oil tank body 1 can enter the engine through the oil pump through the oil suction connector 15, and the excess oil can flow back to the inside of the oil tank body 1 through the oil return connector 16, finally, the oil tank body 1 is integrally formed by rotational molding, without rusting, aging-resistant, and can be used for the whole life, in addition, the cost is low, which plays a role in reducing cost and increasing market competitiveness; the filter 2 is arranged, so that the filter 2 can filter the oil, reduce impurities in the oil, and ensure the purity of the oil entering the engine; the extension pipe 3 is arranged, so that the oil flowing back through the oil return connector 16 can smoothly flow into the inside of the oil tank body 1, avoiding the stagnation or waste of the oil in the pipeline; when oil is added to the inside of the oil tank body 1, the air in the oil tank body 1 will generate oil gas due to the rapid combustion of the oil body, at this time, after the oil tank cover 12 is opened, the oil gas will flow out through the exhaust hole 42 and the gap on one side of the rubber baffle 43, thereby ensuring the stability of the pressure in the oil tank body 1.

[0025] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A rotomoulded hydraulic tank comprising a tank body (1), characterised in that: One side of the oil tank body (1) is provided with a fixed pressing plate (14); the other side of the oil tank body (1) is provided with a fixed plate (13); the fixed plate (13) and the fixed pressing plate (14) are connected through bolts; the inner side wall of the fixed plate (13) is fixedly connected with a plurality of nuts (17); the middle part of the oil tank body (1) is provided with an oil suction connector (15); the top of the oil tank body (1) is provided with an oil tank cover (12); the top of the oil tank body (1) is provided with an oil return connector (16).

2. A roto-molded hydraulic oil tank according to claim 1, wherein: The middle part of the oil suction connector (15) is provided with a filter (2); the filter (2) is located in the inside of the oil tank body (1).

3. A roto-molded hydraulic oil tank according to claim 2, wherein: The bottom of the oil return connector (16) is provided with an extension pipe (3); the extension pipe (3) is made of flexible material.

4. A roto-molded hydraulic oil tank as defined in claim 3, wherein: The inside of the oil tank cover (12) is mounted with a plugging head (4); the middle part of the plugging head (4) is provided with an exhaust hole (42); the middle part of the plugging head (4) is mounted with a rubber baffle (43); the rubber baffle (43) is a micro L-shaped structure.

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