JP3711197B2 - Pumping pump hose fixing jig - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pump for use in a drainage operation of pooled water in a pit at the lower end of a hoistway of an elevator, and more particularly to a pump for fixing a pump hose for fixing a hose of a pump.
[0002]
[Prior art]
FIG. 5 is a side sectional view showing a conventional drainage operation. FIG. 6 is an enlarged view of a portion VI in FIG. In FIG. 5, 1 is a pit formed at the lowermost part of the elevator hoistway. 2 is a landing on the lowest floor closest to pit 1. A landing threshold 3 is provided at the end of the landing 2 on the hoistway side. As shown in FIG. 6, a threshold groove 3 a is formed in the landing threshold 3. A toe guard 9 is fastened to the side surface of the landing sill 3 on the hoistway side by a toe guard mounting screw 3b.
[0003]
Returning to FIG. 5, 4 is accumulated water accumulated in the pit 1. In the pit 1, water that has entered the pit 2 over the landing 2 may accumulate during heavy rain or flood. A pump 5 for pumping up the accumulated water 4 is placed on the floor of the pit 1. The pump 5 is provided with a remote switch 5b for remote operation. A pumping pump hose 6 is connected to the pumping pump 5 and drains the accumulated water 4. The pumping pump hose 6 is connected to the hose connection part 5 a of the pumping pump 5.
[0004]
In such a conventional drainage operation, first, a pumping pump 5 is installed in the pit 1. Then, one end of the hose 6 is connected to the hose connection portion 5a. The hose 6 passes through the landing 2 and the other end is led to an external drainage channel or the like. The operator 7 operates the remote switch 5 b from the landing 2 to start the pumping pump 5 and drains the accumulated water 4.
[0005]
[Problems to be solved by the invention]
In the conventional drainage work performed in this way , as shown in FIG. 6, the hose 6 has been bent at the corner of the landing sill 3. This bend 6a is a problem because the water flow is hindered, the water pressure in the hose 6 rises abnormally between the landing threshold 3 and the pump 5 and the hose 6 is disconnected from the hose connection 5a.
[0006]
The present invention has been made to solve the above-described problems, and obtains a pumping pump hose fixing jig that prevents the pumping pump hose from being bent and prevents the hose from being detached from the pumping pump. For the purpose.
[0007]
[Means for Solving the Problems]
In the pumping pump hose fixing jig according to claim 1, the long and substantially arcuate shape is formed, and a substantially U-shaped cross section orthogonal to the length direction has an opening in the outer peripheral direction. A hose base that houses the pumping pump hose in the holding surface, and a sill groove engagement that is provided on the inner peripheral side of the hose stool and that is opposed to the upper surface of the landing sill and that projects from the opposing part and engages the sill groove A first support portion having a portion, a second support portion provided on an inner peripheral side of the hose base, having a contact surface that is substantially perpendicular to the facing portion and abuts against the hoistway side surface of the landing sill, A hose fixing member that is provided at both ends and fixes a pumping pump hose accommodated in the holding surface, and the sill groove engaging portion is movable in a direction that moves forward and backward with respect to the contact surface .
[0009]
In the pumping pump hose fixing jig according to claim 2 , the second support part has a fastening part fastened by a toe guard mounting screw.
[0010]
In the pumping pump hose fixing jig according to claim 3 , the hose fixing member is a hook-and-loop fastener.
[0011]
In the pumping pump hose fixing jig according to the fourth aspect, the hole through which the toe guard mounting screw perforated in the fastening portion is inserted is a long hole having a long length in the advancing / retreating direction with respect to the facing portion.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
FIG. 1 is a side sectional view showing a drainage operation using the pumping hose fixing jig of the present invention. FIG. 2 is an enlarged view with a section taken along a portion II in FIG. 3 is a view of FIG. 2 viewed from the hoistway direction. FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 2 of the hose base. The same or corresponding parts as those in the prior art are denoted by the same reference numerals, and the description thereof is omitted. In FIG. 1, a pumping pump hose fixing jig 10 is installed on the landing threshold 3. And the pumping pump hose 6 connected to the pumping pump 5 is being fixed to the fixing jig 10 in the position which passes the landing threshold 3.
[0013]
2 and 3, the pumping pump hose fixing jig 10 includes a hose base 11, a first support part 12 and a second support part 13 provided on the back surface of the hose base 11, and both end parts of the hose base. It is comprised from a pair of hook-and-loop fastener 14 (it is usually called a magic tape) which is a hose fixing member provided in the.
[0014]
The hose base 11 is manufactured by bending a substantially elongated steel plate in the length direction and in a direction perpendicular to the length, and in the length direction, the hose base 11 is bent in a gentle arc shape having a large radius. In the vertical direction, the cross-section is curved so as to have a small-diameter arc shape. Specifically, as shown in FIG. 4, the cross section perpendicular to the length direction has an arc shape having an opening in the outer peripheral direction, and has a holding surface 11a inside the arc. The curvature of the holding surface 11a in the cross-sectional direction is approximately the same as the curvature of the cross section of the hose 6.
[0015]
The first support portion 12 is formed into a thin box shape by bending each of the four sides of the steel plate into an elongated shape, and is arranged with the open surface facing downward, with one side connected to the central portion of the back surface of the hose base 11, In the connecting portion, the angle with the hose base 11 is welded and fixed so as to be an angle of approximately 45 degrees. The first support portion 12 has a large area so as to be stable when placed on the landing sill 3, and the bent four sides form a facing portion 12 a that faces the upper surface of the landing 2. Yes.
[0016]
The first support portion 12 is provided with a sill groove engaging portion 12b that engages with the sill groove 3a. The sill groove engaging portion 12b is formed in a rectangular elongated shape slightly narrower than the sill groove 3a, extends along the sill groove 3a, the one side portion is accommodated in the first support portion 12, and the remaining portion Is projected to the outside. And the sill groove engaging part 12b is protrudingly provided so that it may become substantially perpendicular | vertical with respect to the opposing part 12a.
[0017]
Both ends of the sill groove engaging portion 12b are fixed by screws 12c. The hole for inserting the screw 12c drilled in the side surface of the first support part 12 is an elongated hole formed in parallel to the facing part 12a, and the sill groove engaging part 12b is formed in the sill groove 3a. It can be moved in a direction perpendicular to it.
[0018]
The second support portion 13 is produced by bending a steel plate into a U-shaped cross section, and the end portions of both bent portions are welded to the back surface of the hose base 11 and connected. And the contact surface 13a which makes a substantially right angle with the opposing part 12a on the opposite side to the hose stand 11 is formed. The contact surface 13a is in contact with the side surface of the landing threshold 3 on the hoistway side.
[0019]
A through hole 13b through which the foot portion of the toe guard mounting screw 3b passes is formed in the contact surface 13a. The through hole 13b is a long hole that is long in the vertical direction so that the screw hole of the toe guard mounting screw 3b formed in the landing sill 3 can be mounted at various distances from the upper surface of the landing sill 3. Has been. The periphery of the through hole 13b constitutes a fastening portion 13c fastened by the toe guard mounting screw 3b. The hose base 11 is provided with a work hole 11b so that a screwdriver can be inserted when the toe guard mounting screw 3b is tightened. This hole also corresponds to the through hole 13b in the vertical direction. It is a long long hole.
[0020]
In the pumping pump hose fixing jig configured as described above, first, the sill groove engaging portion 12b is engaged with the sill groove 3a, and the contact surface 13a is brought into contact with the toe guard 9 and installed on the landing sill 3. The fastening portion 13c is fastened and fixed by the toe guard mounting screw 3b. Next, the hose 6 is placed on the hose base 11. In this state, the pumping pump 5 is started. Then, the hose 6 is fixed to the hose base 11 by the hook-and-loop fastener 14 in a state where the accumulated water 4 starts to be drained and the hose 6 is expanded.
[0021]
By using the pumping pump hose fixing jig configured as described above, the hose 6 is not bent at an acute angle at a portion passing through the landing sill 3. And it is prevented that the hose 6 bends and the hose 6 is not detached from the pumping pump 5.
[0022]
Moreover, since the sill groove engaging portion 12b can move in a direction perpendicular to the sill groove 3a, the sill groove engaging part 12b can be attached to a landing sill 3 of a type having a different distance from the side surface of the landing sill 3 to the sill groove 3a. it can.
Furthermore, since the pumping pump hose fixing jig has the fastening portion 13c fixed by the toe guard mounting screw 3b, the pumping hose fixing jig is securely fixed to the landing sill 3 and does not move along the landing sill 3 and is drained. Work becomes easy.
Moreover, since the hose fixing member is the hook-and-loop fastener 14, workability is good when fixing the hose 6 to the hose base 11, and even a hose 6 having a slightly different diameter can be fixed securely.
[0023]
Note that the holding surface 11a of the hose base 11 is not limited to an arc shape as in the present embodiment, and may be a U-shaped cross section having a bent width as an approximate diameter of the hose 6, for example. That is, the holding surface 11a of the hose base 11 may be wide U-shaped. The width is not strictly the diameter of the hose 6 and may be slightly larger or smaller. Further, if the U-shaped holding surface 11a is formed, the cross section may be thick.
[0024]
Furthermore, in the height at which the sill groove engaging portion 12b protrudes, it is desirable that the depth of the sill groove 3a is approximately, but the top of the sill groove engaging portion 12b contacts the bottom of the sill groove 3a, Or any may be sufficient as the opposing part 12a contact | abuts on the upper surface of the landing threshold 3. FIG.
[0025]
【The invention's effect】
In the pumping pump hose fixing jig according to claim 1, the long and substantially arcuate shape is formed, and a substantially U-shaped cross section perpendicular to the length direction has an opening in the outer peripheral direction. A hose base that houses the pumping pump hose in the holding surface, and a sill groove engagement that is provided on the inner peripheral side of the hose stool and that is opposed to the upper surface of the landing sill and that projects from the opposing part and engages the sill groove A first support portion having a portion, a second support portion provided on the inner peripheral side of the hose base, having a contact surface that is substantially perpendicular to the opposing portion and abuts against the hoistway side surface of the landing sill, A hose fixing member that is provided at both ends and fixes a pumping pump hose accommodated in the holding surface, and the sill groove engaging portion is movable in a direction that moves forward and backward with respect to the contact surface . Therefore, the water pressure in the pumping pump hose does not rise abnormally and the hose is not detached from the pumping pump. It can also be attached to different types of landing thresholds.
[0027]
In the pumping pump hose fixing jig according to claim 2 , the second support part has a fastening part fastened by a toe guard mounting screw. Therefore, the pumping pump hose fixing jig is securely fixed to the landing threshold and the work becomes easy.
[0028]
In the lifting pump hose fixing jig according to claim 3 , the hose fixing member is a hook-and-loop fastener. Therefore, workability is good, and even a pumped pump hose having a slightly different diameter can be reliably fixed.
[0029]
In the pumping pump hose fixing jig according to the fourth aspect, the hole through which the toe guard mounting screw perforated in the fastening portion is inserted is a long hole having a long length in the advancing / retreating direction with respect to the facing portion. Therefore, attachment is possible even if the screw hole of the toe guard mounting screw formed on the landing threshold is different from the upper surface of the landing threshold.
[Brief description of the drawings]
FIG. 1 is a side sectional view showing a drainage operation using a pumping pump hose fixing jig of the present invention.
FIG. 2 is an enlarged view with a section taken along a portion II in FIG.
FIG. 3 is a diagram of FIG. 2 viewed from the hoistway direction.
4 is a cross-sectional view taken along the line IV-IV in FIG. 2 of the hose base.
FIG. 5 is a side sectional view showing a conventional drainage operation.
6 is an enlarged view of a VI part in FIG. 5;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Hose stand, 11a Holding surface, 12 1st support part, 12a Opposing part, 12b Sill groove engaging part, 13 2nd support part, 13a Contact surface, 13c Fastening part, 14 Surface fastener (hose fixing member) .

Claims (4)

A hose base that is long and has a substantially arc shape, is formed into a generally U-shaped cross section perpendicular to the length direction and has an opening in the outer circumferential direction, and the pumping pump hose is accommodated in the U-shaped holding surface When,
A first support portion provided on an inner peripheral side of the hose base, having a facing portion facing the upper surface of the landing sill and a sill groove engaging portion protruding from the facing portion and engaging with a sill groove;
A second support portion provided on an inner peripheral side of the hose base, having a contact surface substantially perpendicular to the facing portion and abutting against a hoistway side surface of the landing sill;
A hose fixing member that is provided at both ends of the hose base and fixes the pumped pump hose stored in the holding surface ,
The pumping pump hose fixing jig, wherein the sill groove engaging portion is movable in a direction of advancing and retreating with respect to the contact surface . The pumping pump hose fixing jig according to claim 1 , wherein the second support part has a fastening part fastened by a toe guard mounting screw. The pumping pump hose fixing jig according to claim 1 or 2 , wherein the hose fixing member is a hook-and-loop fastener. 3. The pump according to claim 2 , wherein the hole through which the toe guard mounting screw perforated in the fastening portion is inserted is a long hole having a long length in a direction to advance and retreat with respect to the facing portion. Hose fixing jig.

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