JPH053554Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to a gutter cover lifting device, and more specifically, it is a gutter lid lifting device that can be used safely when opening and closing heavy drain gutter covers made of concrete, etc. This invention relates to an operable gutter lid lifting device.

[Prior art]

Conventionally, the covers of residential drainage ditches and road side ditches were made of lightweight materials that could be easily opened and closed, so they could be easily opened and closed by children, come off when a vehicle passes by, or even fall off when a large amount of rain falls. If the lid gets wet, there is a risk that the lid will lift up.
50Kg) drain cover is used.

However, if the drain cover is made heavy, the above problems can be avoided, but on the other hand, drains require cleaning several times a year, which makes it difficult to remove and install the drain cover. must be carried out. If the drain cover is opened and closed manually at this time, since the drain cover is heavy, there is a risk of it falling off and causing injury, and it also takes a lot of time and effort. There was a problem that I needed to know.

[Purpose of invention]

This invention was devised by focusing on the problems of the conventional methods, and its purpose is to open the heavy drain cover by simply operating the remote control handle provided on the handle. To provide a gutter cover lifting device which can be safely installed and removed without requiring much effort and time.

[Structure of the idea]

In order to achieve the above object, this invention provides a support frame which is rotatable around a support bolt as well as a wheel at the tip of the frame body, and a telescopic handle is provided at the other end of the frame body to support the support frame. The center of the lift arm is rotatably supported at the tip of the frame, and fingers each having an approximately L-shaped tip are provided at both ends of the lift arm so as to be rotatable and extendable. A turning mechanism for rotating the tips of the fingers in opposite directions or in parallel directions is connected to the base end, and operating force is transmitted between each turning mechanism and a remote control handle provided on the frame body. By connecting through means and operating the remote control handle, the fingers of the lift arm are positioned at the bottom of both ends of the groove cover part, and the lift arm is raised and lowered through the frame body and the support frame. The gist's main purpose is to easily raise and lower the gutter cover body supported by the fingers, thereby making it possible to easily remove and install heavy covers installed on drains, side gutters, etc. be.

[Example of idea]

Embodiments of this invention will be described below based on the accompanying drawings.

1 and 2 show an overall perspective view and a plan view of a gutter lid lifting device implementing this invention, and this gutter lid lifting device consists of two parallel frame bodies 1a,
Wheels 3a, 3 are mounted on both sides of the tip of wheel 1b via axle 2.
When b is provided, two parallel support frames 5a and 5b are provided which can pivot around the support bolt 4 inserted between the frame bodies 1a and 1b as a fulcrum.

Further, a telescopic handle 6 is provided on the other end side of the frame bodies 1a and 1b, and this handle 6 is connected to a handle shaft 8 that is slidably fitted into a groove 7 between the frame bodies 1a and 1b. A fixing screw 9 is provided integrally at the base end portion, and is also provided on the frame bodies 1a and 1b, so that the handle shaft 8 can be fixed at any position in the groove 7 between the frame bodies 1a and 1b.
is provided.

As shown in FIGS. 1, 3, and 4, the longitudinal center of the lift arm 10 is located at the tip of the two parallel support frames 5a, 5b between the support frames 5a, 5b. A pair of fingers 12a are rotatably supported by a shaft 11 suspended from the center, and at both ends of the lift arm 10, the ends of which lift and support the groove cover W are formed in a substantially L-shape. , 12b and 13a, 13b are provided facing each other so as to be rotatable and extendable.

Each of the fingers 12a, 12b and 13a,
Rotating mechanisms 14a and 14b (link mechanisms) for rotating the tips of the fingers in opposite directions or in parallel directions are connected to the base end portions of the fingers 13b, respectively. It is connected to a remote control handle 15 provided on the frame bodies 1a, 1b via a control force transmission means 16.

Said fingers 12a, 12b and 13
a, 13b are slidably supported by guide members 16 fixed to the lower portions of both ends of the lift arm 10,
Further, the link 17a constituting the turning mechanism 14a, 14b and the link 17b provided with the elongated hole 18 are connected to each finger 12a, 1 as shown in FIG.
It is fixed at a fixed angle to the base end portions of 2b, 13a, and 13b.

Each link 17a and a link 17b having an elongated hole 18 are connected via a pin 19 slidably inserted into the elongated hole 18, and a support link 20 is rotatably attached to one end of this pin 19. connected. The free end of this support link 20 has a link 1
7a and the link 17b are connected to one end of a spring 21 for constantly urging the link 17b inward, and the other end of the spring 21 is connected to the lift arm 10.
is fixed on the top surface.

Therefore, unless the remote control handle 15 provided on the frame bodies 1a, 1b is pulled, each finger 12a, 12b and 13a, 1
The L-shaped tip of 3b is always oriented in parallel due to the elastic force of the spring 21, as shown by the solid lines in FIGS. 6a, b and 7, and can hold the groove cover W. becomes possible.

Furthermore, when the remote control handle 15 is operated and pulled against the elastic force of the spring 21, the L-shaped tips of the fingers 12a, 12b and 13a, 13b are shaped as shown in FIGS. 5a and 5b. , facing the opposite direction.

Further, the configuration of the operating force transmission means 16 is as shown in FIGS. 1 and 3, with the guide groove 2
2 is rotatably supported by a shaft 11 suspended from the center of the tip between the support frames 5a and 5b, and is located at opposing positions on the upper surface of the crank wheel 23. teeth,
One end of the push rods 24a, 24b are connected, and the other ends of the push rods 24a, 24b are connected to the connecting portions of the link 17a and the link 17b provided with the elongated hole 18, respectively.

Further, as shown in FIG. 9, a wire rope 26 that connects to the remote control handles 15 provided on the frame bodies 1a and 1b is wrapped around the guide groove 22 of the disc-shaped crank wheel 23. By pulling and operating the handle 15, the crank wheel 23 rotates, and at the same time the push rods 24a, 24b and the turning mechanism 14 rotate.
each finger 12a, 12b via a, 14b
The L-shaped tips of 13a and 13b can be turned within a range of 90 degrees from the solid line state in FIG. 7 to the opposite directions shown in the broken line state.

Although the lift arm 10 is integrally formed, if the lift arm 10 is configured to be extendable and retractable, it can be adjusted to correspond to the shape and size of the groove cover W, and as a result, It is possible to apply any groove cover W.

Further, in the above embodiment, a tension spring is used as the spring 21, but if a compression spring is used, the movements of the remote control handle 15 and the fingers 12a, 12b and 13a, 13b will be reversed.

Next, the operation of the gutter cover lifting device according to this invention will be explained.

First, bring the gutter cover lifting device to the removal position of the heavy gutter cover W installed in a drain or side gutter, and then move each finger as shown in Fig. 5a, b and Fig. 9. 12a, 12b and 13a, 1
The L-shaped ends of the fingers 12a, 12b and 13a, 13b are pulled by the remote control handle 15 so that they are facing each other, and the L-shaped tips of the fingers 12a, 12b and 13a, 13b are pulled in the groove portion formed in the groove cover W. The tip of the letter shape is inserted, and the tip is positioned on the lower surface side of the groove cover W.

In this state, when the remote control handle 15 provided on the frame bodies 1a, 1b is removed from the handle 6, the crank wheel 23 around which the wire rope 26 is wrapped rotates due to the elastic force of the spring 21. Push rods 24a and 24b connected to the crank wheel 23 at the same time
is pulled inward.

When the push rods 24a and 24b are pulled inward, the links 17a and the links 17b, which constitute the turning mechanisms 14a and 14b and the elongated holes 18, move as shown in FIGS. 6a, b, 7, and 8. As shown, the fingers 12a, 12b and 13a, which are suspended from the lower part of the link 17a and the link 17b, rotate toward the crank wheel 23 side.
The L-shaped tip of 13b turns 90 degrees to support the lower surface of the groove cover W.

When the handle 6 and handle shaft 8 are pushed down from this state using the wheels 3a and 3b as fulcrums, the gutter cover W fitted to the drain or side gutter is lifted vertically, and the gutter cover W is lifted up. In the lifted state, the gutter cover lifting device is moved to a predetermined position and the gutter cover W is placed thereon.

As described above, even a heavy gutter cover W can be easily removed from a drain or side gutter by the lever principle, and even a relatively weak woman can easily and safely remove it. I can do it.

Conversely, when installing a heavy gutter cover W by fitting it into a drain or side gutter, hold the gutter cover lifting device at the place where the gutter cover W is placed using the same operation as above. Then, the gutter cover W can be easily fitted by lifting the gutter cover W and lowering it to the position of the drain or side gutter by the same operation as described above.

When the installation of the groove cover W is completed, the remote control handle 15 is pulled and hooked onto the handle 6, and each finger 12a, 12b and 13
The L-shaped tips of a and 13b are opposed to each other against the elastic force of the spring 21 as shown in FIGS. 5a and 5b and FIG. 9. In this state, each finger 12a,
12b, 13a, and 13b are pulled out to complete the installation work of the groove cover W.

By repeating such operations, it is possible to safely and easily remove and attach the heavy gutter cover W fitted to a drain, side gutter, etc.

[Effect of idea]

As described above, in this invention, a wheel is provided at the tip of the frame body, and a support frame rotatable about a support bolt is provided at the tip of the frame body, a telescopic handle is provided at the other end of the frame body, and the support frame The center part of the lift arm is rotatably supported at the tip of the lift arm, and fingers each having a substantially L-shaped tip are rotatably and telescopically provided at both ends of the lift arm. A turning mechanism for rotating the tips of the fingers in opposite directions or in parallel directions is connected to each end, and each turning mechanism and a remote control handle provided on the frame body are connected to the operating force transmitting means. By operating the remote control handle, you can position the fingers provided on the lift arm at the bottom of both ends of the groove cover.
By raising and lowering the lift arm through the frame body and the support frame, the gutter cover body supported by the fingers can be easily raised and lowered. can be removed safely and easily,
It can be installed, and even women etc. can remove the gutter cover and clean it.

Furthermore, since the entire device is foldable, it is convenient to store when not in use, and the overall weight is not heavy, making it convenient to carry.

[Brief explanation of the drawing]

Fig. 1 is an overall perspective view of the gutter cover lifting device, Fig. 2 is a plan view of Fig. 1, Fig. 3 is a partial front view of the gutter cover lifting device, Fig. 4 is a side view of Fig. 3, and Fig. 4 is a side view of the gutter cover lifting device. Figure 5a,
Fig. 6b is a plan view and a side view showing a state in which each finger faces each other, Fig. 6a and b are a plan view and a side view showing a state in which each finger is parallel, and Fig. 7 is a diagram showing the turning mechanism and each finger. FIG. 8 is an explanatory view when the fingers are operated in parallel, and FIG. 9 is an explanatory view when the fingers are operated to face each other. 1a, 1b...Frame body, 3a, 3b...
Wheel, 4...Support bolt, 5a, 5b...Support frame, 6...Handle, 10...Lift arm, 12a, 12b, 13a, 13b...Finger, 14a, 14b...Swivel mechanism (link mechanism), 15...Remote control handle, 16...Operation force transmission means.

Claims (1)

[Scope of utility model registration request] A wheel is provided at the tip of the frame body, and a support frame is provided which can rotate around a support bolt as a fulcrum, a telescopic handle is provided at the other end of the frame body, and the center of the lift arm is provided at the tip of the support frame. At both ends of the lift arm, fingers each having a substantially L-shaped tip are rotatably and telescopically provided, and a tip of the finger is provided at the base end of each finger. A rotating mechanism for rotating the frames in opposite directions or in parallel directions is connected to each other, and each of the rotating mechanisms is connected to a remote control handle provided on the frame body via an operating force transmission means. A gutter cover lifting device.