JP3990221B2 - Wave tank for liquid tank and liquid tank structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention particularly relates to a liquid tank wave-dissipating plate and a liquid tank structure that are effective for a backpack-type working machine such as a backpack-type chemical sprayer.
[0002]
[Prior art]
The above-described back-loading type chemical sprayer is used while being carried on the back of an operator, but the chemical (liquid) stored in the chemical (liquid) tank undulates as the worker walks etc., and the chemical (liquid) tank And the center of gravity of the liquid tank is moved, and the impact and the movement of the center of gravity are transmitted to the operator via the liquid tank, so that the stability of the body is lost and the soft field is removed. In addition, there is a problem that the worker falls on an inclined ground or the like, and that the worker's fatigue is promoted and the work efficiency is lowered. Therefore, conventionally, a wave-dissipating plate is provided inside the liquid tank in order to reduce the waving of the stored liquid and further the movement of the center of gravity of the liquid tank.
[0003]
[Problems to be solved by the invention]
The present invention can effectively reduce the ripple of the liquid in the liquid tank, and the center of gravity of the liquid tank, and can be easily assembled (retrofitted) into the liquid tank. The present invention relates to a liquid tank wave-dissipating plate and a liquid tank structure that can be assembled into the liquid tank even when the diameter of the mouth is smaller than the inner diameter of the main body.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the liquid tank wave breaker plate according to the present invention shown in claim 1 is formed in accordance with the internal profile of the vertical section of the liquid tank. comprising a plurality of flexible partition plate member, each flow-through path between the contour is formed, a fixing member for connecting the flexible partition plate member of the plurality, a plurality of flexible partition An engagement receiving portion is formed on each of the opposing side surfaces of the plate member, and engagement portions that are fitted and fixed to the respective engagement receiving portions are formed on both ends of the fixing member .
[0005]
In addition, the above-mentioned “formed in conformity with the internal profile of the longitudinal section” does not mean that the liquid tank is formed so as to coincide with the complete internal profile of the longitudinal section. That is, it means a deformed shape that accompanies excision of an upper portion in the liquid tank and a liquid passage forming portion that do not require a wave-dissipating plate from the complete vertical cross-sectional inner shape of the liquid tank. In addition, forming the liquid flow path includes providing a liquid flow hole in each flexible partition plate member.
[0006]
According to the first aspect, when the flexible partition plate member is assembled inside the liquid tank, the flexible partition plate member can be freely bent and deformed. Therefore, it is easy to assemble the liquid tank.
[0007]
Furthermore, even in the case of a general liquid tank in which the diameter of the mouth portion is smaller than the inner diameter of the main body portion, a flexible partition plate member having a size required inside the main body can be provided from the mouth portion. Easy to assemble by inserting inside.
[0008]
Moreover, the order between a plurality of flexible partition plate member connecting the fixing member, the plurality of flexible partition plate member is held constant within the liquid tank through said fixing member, waving reduction of Furthermore, the center of gravity movement of the liquid tank is reduced. In addition, since the engaging portions that are fitted and fixed to the respective engagement receiving portions are formed at both ends of the fixing member, the plurality of flexible members can be attached to the fixing member with one touch without using a tool or the like. The flexible partition plate member can be fixed by being interposed between the conductive partition plate members, and can be easily removed.
[0009]
According to an embodiment of the present invention shown in claim 2, the liquid according to claim 1, wherein the plurality of flexible partition plate members are formed to be slightly larger than the inner contour of the longitudinal section of the liquid tank. It is a wave-dissipating plate for tanks.
[0010]
According to an embodiment of the second aspect, since the plurality of flexible partition plate members are slightly larger than the internal shape of the longitudinal section of the liquid tank, the flexible partition plate members are assembled inside the liquid tank. In this case, the flexible partition plate member is inevitably slightly curved and is tightly fitted to the inner peripheral surface of the liquid tank. Therefore, the assembled wave-dissipating plate is completely and stably fixed, and is not easily deformed or moved by the contained liquid.
[0011]
An embodiment of the present invention shown in claim 3 is formed in conformity with the internal profile of the longitudinal section of the liquid tank, and when assembled into the interior of the liquid tank, a liquid passage is provided between the interior profile of the longitudinal section. A plurality of flexible partition plate members formed, and a fixing member that connects the plurality of flexible partition plate members, and each of the plurality of flexible partition plate members has an engagement hole formed therein. The locking member is formed with locking portions that are locked and fixed in the respective engaging holes at both ends of the fixing member.
[0012]
According to an embodiment shown in 請 Motomeko 3, as in the case of claim 1, without the use of tools or the like, is interposed between the plurality of flexible partition plates member the fixing member with one touch Thus, the flexible partition plate member can be fixed and can be easily removed.
[0013]
Liquid tank structure of the present invention, characterized by comprising a wave-dissipating plate according to claim 1, 2 or 3, comprising the portion Ri by the said wave dissipating plate is partitioned into left and right equal volume shown in claim 4 And
[0014]
According to the liquid tank of the present invention as set forth in claim 4, the liquid inside the liquid tank is evenly divided, and the center of gravity movement and the recoil associated with the liquid tank are shaken and tilted, and the safety of the worker is ensured. Thus, fatigue reduction and work efficiency can be achieved.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view of a wave-dissipating plate according to an embodiment of the present invention, FIGS. 2 to 4 are explanatory diagrams showing an assembly order of the wave-dissipating plate in the liquid tank, and FIG. FIG. 6 is a front view of the main part of the liquid tank body, and FIG.
[0016]
5, T is a chemical solution (liquid) tank, and E is a gasoline engine, a chemical solution pump, and other mechanical devices. The back portion is provided on the side surface opposite to the mechanical device portion E.
[0017]
The wave-dissipating plate according to the present embodiment is formed in accordance with the vertical cross-section inner contour f (see FIG. 6) of the liquid tank T, and is inserted between the liquid tank T and the cross-section inner contour f. A plurality of flexible partition plate members 1 and 1 each having a liquid flow path S and fixing members 2 and 2 connecting the plurality of flexible partition plate members 1 and 1 are configured.
[0018]
In the embodiment of the drawing, since the flexible partition plate members 1 and 1 are two pieces, the vertical cross-sectional inner contour f of the liquid tank T is the liquid tank shown in FIG. It is not the central portion C of T, but the inner profile of the longitudinal section at a symmetrical position that is equidistant from the central portion C on both sides. In addition, the same applies to the case where the number of the flexible partition plate members 1 and 1 is increased, and the vertical cross section of the liquid tank T so that the flexible partition plate members 1 and 1 are evenly arranged on the left and right. An internal position is selected.
[0019]
Further, as shown in FIG. 6, the liquid flow path S is formed by shortening the lower end portions 3, 3 of the plurality of flexible partition plate members 1, 1, and the bottom portion 4 of the liquid tank T (inside the longitudinal section). The gap formed between the contour f) is defined as the liquid passage S.
[0020]
The details of the liquid tank wave absorbing plate of the present embodiment will be described with reference to FIG. In the figure, 1 and 1 are the flexible partition plate members, and 2 and 2 are fixing members that connect the two flexible partition plate members 1 and 1 and are assembled in a chemical tank. In all cases, the plastics are made of chemical resistant plastics.
[0021]
Engagement receiving portions 5 and 5 having substantially U-shaped dovetail grooves 8 are previously bonded to the opposite side surfaces of the flexible partition plate members 1 and 1 by bonding, integral molding, or screwing at appropriate intervals. Attached to both ends of the fixing members 2 and 2 is a circumferential groove-like engagement fitted and fixed to the dovetail groove 8 of the engagement receiving portions 5 and 5 of the flexible partition plate members 1 and 1. Joint portions 6 and 6 are formed.
[0022]
In addition, the connection fixing method between the said flexible partition plate members 1 and 1 is not limited to one Embodiment of drawing. For example, an appropriately shaped locking hole is punched in advance at an appropriate position of the flexible partition plate members 1, 1, and locking portions formed in advance at both ends of the fixing members 2, 2 are engaged with the locking holes. The flexible partition plate members 1 and 1 can be connected and fixed by various methods such as fixed and fixed.
[0023]
However, in any of the connection and fixing methods, after inserting the plurality of flexible partition plate members 1 and 1 into the liquid tank T, the space between the plurality of flexible partition plate members 1 and 1 is inserted. It is desirable to adopt a simple method such as pushing in the fixing members 2 and 2 from above. In the figure, reference numeral 7 provided as required is a liquid passage hole.
[0024]
2 to 5 show the assembling order of the wave-dissipating plates in the liquid tank T. FIG. 2 to 5, the plurality of flexible partition plate members 1, 1 are formed to be slightly larger than the vertical cross-sectional inner contour f of the liquid tank T. Therefore, when inserted into the liquid tank T and elastically repelled and stretched, each has a slightly curved shape.
[0025]
First, the plurality of flexible partition plate members 1 and 1 are bent and inserted one by one from the mouth portion 9 of the liquid tank T (see FIG. 2). Insertion of the plurality of flexible partition plate members 1, 1 into the liquid tank T is performed in advance by engagement receiving portions 5, 5 provided on opposite sides of the plurality of flexible partition plate members 1, 1. (See FIG. 3).
[0026]
In the embodiment of the drawings, when the liquid tank T is molded, the nameplate mounting concave portion formed on the outside of the liquid tank T and the concave portion formed on the back support side, respectively, are generated inside the liquid tank T. Are used to temporarily fix both ends of the plurality of flexible partition plate members 1 and 1 to stabilize them (see FIG. 3).
[0027]
And after that, the respective engagement receiving portions 5 and 5 of the two flexible partition plate members 1 and 1 arranged opposite to each other are formed on both ends of the fixing members 2 and 2, respectively. By fitting the engaging portions 6 and 6 and slightly expanding and fixing the space between the two partition plate members 1 and 1, the assembly of the wave-dissipating plate into the liquid tank is completed. The assembled wave-dissipating plate can be easily removed.
[0028]
【The invention's effect】
The wave-dissipating plate for a liquid tank according to the present invention can reduce the wave of liquid in the liquid tank, the movement of the center of gravity of the liquid tank, can be easily assembled into the liquid tank, and the diameter of the mouth of the liquid tank is the main body Even if it is smaller than the inner diameter of the part, it is possible to assemble a wave-dissipating plate of a required size inside the main body, and further, the book can be configured with the wave-dissipating plate to have an equal left and right volume inside According to the liquid tank of the invention, it is possible to ensure the safety of workers, reduce fatigue, and increase the efficiency of work.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a wave-dissipating plate according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing an assembly order of the wave-dissipating plate inside the liquid tank.
FIG. 3 is an explanatory diagram showing an assembly order of the wave-dissipating plate inside the liquid tank.
FIG. 4 is an explanatory diagram showing an assembly order of the wave-dissipating plate inside the liquid tank.
FIG. 5 is a front view of a backpack type chemical sprayer.
FIG. 6 is a longitudinal side view of a main part of a liquid tank.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1, 1, Flexible partition plate member 2, 2 Fixing member 5, 5 Engagement receiving part 6, 6 Engagement part T Liquid tank S Liquid flow path f Longitudinal internal profile

Claims (4)

A liquid passage (S) is formed in accordance with the internal profile (f) of the longitudinal section of the liquid tank (T), and is connected to the internal profile (f) of the longitudinal section when assembled into the liquid tank (T). A plurality of flexible partition plate members (1, 1) formed with a fixing member (2, 2) connecting the plurality of flexible partition plate members (1, 1) , Engagement receiving portions (5, 5) are respectively formed on opposite side surfaces of the plurality of flexible partition plate members (1, 1), and the respective engagement receiving portions are formed at both ends of the fixing member (2, 2). A wave tank for a liquid tank, characterized in that an engagement portion (6, 6) adapted to be fixed to (5, 5) is formed .   2. The liquid tank according to claim 1, wherein the plurality of flexible partition plate members (1, 1) are formed to be slightly larger than a vertical cross-sectional inner contour (f) of the liquid tank (T). Wave-dissipating plate. A liquid passage (S) is formed in conformity with the internal contour (f) of the longitudinal section of the liquid tank (T), and is connected to the internal contour (f) of the longitudinal section when assembled inside the liquid tank (T). A plurality of flexible partition plate members (1, 1) formed with a fixing member (2, 2) connecting the plurality of flexible partition plate members (1, 1), The plurality of flexible partition plate members (1, 1) are respectively formed with engagement holes, and locking portions that are locked and fixed to the respective engagement holes are provided at both ends of the fixing member (2, 2). A liquid tank wave-dissipating plate characterized by being formed. Liquid tank structure, characterized by comprising a wave-dissipating plate according to claim 1, 2 or 3, comprising the portion Ri by the said wave dissipating plate is partitioned into left and right equal volume.

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