JPH0414596Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a mortar extrusion tool that can efficiently fill mortar into spaces between paving stones, tiles, etc., and an example of its configuration is shown in the attached drawings. The detailed description is as follows.

A piston body 3 is provided in a cylinder tube 2 having an extrusion port 1 at its tip, a piston rod 4 provided in the piston body 3 is made to protrude from the rear of the cylinder tube 2, and a gun-type holding handle 5 is attached to the rear of the cylinder tube 2. is provided vertically, and the upper end of a lever 6 provided on the front side of this holding handle 5 is connected to the protrusion of the piston rod 4, so that the piston body 3 is moved forward little by little by lever operation by repeatedly grasping the lever 6. A window hole 7 is formed in the upper front wall of the cylinder tube 2, a supply tube 8 is erected above the window hole 7 so as to communicate with the cylinder tube 2, and a lid plate for opening and closing the window hole 7 is provided. 9 is provided at the bottom of the supply tube 8.

In the drawing, the cylinder cylinder 2 is formed of a plastic tube, and the lower part of the plastic tube is supported in a manner that can be attached to and removed from a metal receiver 10.
A holding handle 5 is provided vertically at the rear of the holding handle 5, a lever 6 is provided on the front side of the holding handle 5, and a piston feed plate 12 having a through hole 11 drilled at the upper end of the lever 6 through which the piston rod 4 passes is moved slightly back and forth. Attached in condition,
The protrusion of the piston rod 4 is fitted into the piston feed plate 12, and an anti-squeezing strip 13 is provided between the piston feed plate 12 and the rear wall of the cylinder cylinder 2 so as to be wrapped around the piston rod 4, and the lever 6 is gripped. The piston rod 4 is moved slightly forward by the forward movement of the piston feed plate 12 in response to the lever operation to release the lever 6, and the piston body 3 is moved backward by the anti-squeezing strip 13 in response to the lever operation to release the lever 6. It is configured to move forward little by little.

The drawing also shows that a notch groove 14 is formed on one rear side of the cover plate 9, a locking rod 15 that engages with this notch groove 14 is protruded from the piston rod 4, and an operating portion ( By rotating the bent portion 16), the locking rod 15 is engaged with the notch groove 14, so that when the piston rod 4 is pulled out, the cover plate 9 can be opened at the same time.

In this case, of course, after the piston rod 4 has been pulled out, the locking rod 15 is removed from the notch groove 14 by rotating the piston rod 4 using the bent portion 16.

Further, an auxiliary plate 18 having a through hole 17 through which the piston rod 4 passes is provided at the rear of the holding handle 5 so as to be able to move slightly back and forth. The opening edge of the through hole 17 is pressed against the piston rod 4 with an anti-collapsing strip 19 interposed between the piston rod 4 and the auxiliary plate 18 to prevent the piston rod 4 from retreating. The distal end of the provided connecting rod 20 is connected to a rotating metal fitting 22 having a protruding finger hook 21, and by pushing this finger hook 21, the auxiliary plate 18 is moved through the connecting rod 20 to the anti-squeezing strip 19.
The piston rod 4 is provided so that the piston rod 4 can be easily pulled out in a direction substantially perpendicular to the piston rod 4.

Reference numeral 23 in the figure is a spring that keeps the cover plate 9 closed at all times.
24 is a fastening band metal fitting.

Since the present invention is constructed as described above, first, the piston rod 4 is moved backward to move the piston body 3 to the rear part of the cylinder cylinder 2, mortar is supplied to the supply cylinder 8, and the cover plate 9 is opened. is introduced into the front part of the cylinder tube 2.

Next, the window hole 7 is closed with the cover plate 9, and the mortar is sealed inside the cylinder tube 2.

If the lever operation of grasping the lever 6 is performed thereafter, a small amount of mortar will be extruded from the extrusion port 1 with each lever operation.

More specifically, when you place your palm on the holding handle 5 and grasp the lever 6 with your fingers, the piston feed plate 12 provided at the upper end of the lever 6 moves the piston rod 4 slightly forward, and the piston moves accordingly. The body 3 is pushed into the cylinder tube 2 a little, and the mortar in the cylinder tube 2 is pushed out a small amount from the extrusion port 1. When the lever 6 is released, the piston feed plate 12 is moved by the force of the anti-squeezing strip 13. will slide the cylinder rod 4 and move rearward.

By repeating the above lever operation, mortar will be extruded one after another in small quantities from the extrusion port 1, and therefore mortar can be efficiently packed into the spaces between paving stones and tiles.

At this time, since the holding handle 5 is of a gun type, the lever can be operated with one hand.

When the piston body 3 reaches the frontmost part of the cylinder tube 3, pull the piston rod 4 backward again, open the cover plate 9, introduce mortar from the supply tube 8 into the cylinder tube 2, and open the window with the cover plate 9. By closing the hole 7, the mortar can be pushed out little by little from the extrusion port 1 by operating the lever again, and the amount of mortar placed in the supply cylinder 8 can be pushed out from the extrusion port 1 one after another.

The same effect can be obtained even if a binder other than mortar is supplied to the supply cylinder 8.

This invention is suitable for use between paving stones, tiles, etc.
The mortar can be filled efficiently and continuously in the right amount at a time, the cover plate can be opened and closed by moving the piston rod back and forth by operating the operation part at the rear end, and it is designed as an extremely compact gun type. The present invention provides a mortar extrusion tool that exhibits excellent practical effects.

[Brief explanation of the drawing]

Figure 1 is a perspective view, Figure 2 is a longitudinal sectional view, Figure 3 is a plan view, and Figure 4 is a longitudinal sectional view with the window hole open.
FIG. 5 is a longitudinal sectional view of the window hole closed with a cover plate. 1... Extrusion port, 2... Cylinder tube, 3... Piston body, 4... Piston rod, 5... Holding handle, 6... Lever, 7... Window hole, 8... Supply cylinder,
9... Lid plate.

Claims (1)

[Scope of utility model registration request] A piston body is provided in a cylinder cylinder having an extrusion port at its tip, a piston rod provided on the piston body is made to protrude from the rear of the cylinder cylinder, and a gun-type holding handle is provided hanging from the rear of the cylinder cylinder,
The upper end of the lever provided on the front side of the holding handle is connected to the protruding part of the piston rod, and the piston body is moved forward little by little by lever operation by repeatedly grasping the lever. A window hole is formed in the top of the window hole, a supply tube is placed upright in the upper part of the window hole in communication with the cylinder tube, a lid body for opening and closing the window hole is provided at the bottom of the supply tube, and an engaging member that engages with this lid plate is provided. A locking rod is provided on the piston rod so that the movement of the piston rod and the opening/closing movement of the cover plate are interlocked, and an operating portion for engaging and disengaging the locking rod from the cover plate is provided at the rear end of the piston rod. Characteristic mortar extrusion tool.