JP2012082671A - Joint mortar injection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for filling joints with ready mixed cement, which can apply pressure on the ready mixed cement for pressing into the joints and can freely change the angle of pressing the ready mixed cement with high adaptability.SOLUTION: In a joint mortar injection device, a battery 3 and a screw 8 driven by a motor 5 are built in a case 6, and a case 15 is provided with a rotatable tip of a nozzle 13 and an inflow entrance 10 of ready mixed cement above the screw 8. Alternatively, a separate cylinder provided with a motor driving switch 2, a nozzle 13, and a grip part 1 is connected to a cylindrical case 15 provided with the screw 8, the inflow entrance 10, and the motor 5 through a flexible tube 16, so as to constitute a device which can perform joint mortar injection at a site remote from a ready mixed cement reservoir site 11. A motor case of a drill driver having a cylindrical outer surface with a male thread or ribs is screwed into the cylindrical case 15 with a threaded inner surface (female thread) at one end and a built-in coupling joint 24 connected to the screw 8, so as to constitute the joint mortar injection device.

Description

The present invention relates to an injection device for pouring and pushing raw concrete into a joint for connecting or fixing a concrete material at a certain narrow interval in laying concrete material or in concrete placing work.

In laying concrete or placing concrete, joints with a constant narrow interval are generally provided, and ready-mixed concrete is pushed into the joints to permanently connect or fix the concrete material. As a tool used at this time, a kite has generally been used.
However, since the joints are generally narrow, there has been an example in which raw cement is packed into a cylinder having a nozzle having an elongated opening at the tip in order to make it easy to put cement into the joints, and then poured into the joints.

As a method of filling raw cement into joints, it is difficult to push raw cement into the joints by pushing it with a scissor or pouring with a nozzle, making it easy to form a cavity behind the joints, fixing concrete with the joints, strength Since there were many cases where the slab was unstable, the development of a device capable of applying pressure to raw cement was an issue.
There are various places where it is necessary to pack raw cement into joints, and even when devising a device that applies pressure to raw cement, it may be a device with a small turn that can change the angle at which raw cement is pushed in freely. It was a necessary task.

Means to solve the problem

In order to solve the above-mentioned problem, the invention of claim 1 is arranged such that a switch that can be pulled with a finger is arranged in the vicinity of the index finger of the grip portion having a thickness that can be gripped with one hand, and the inside of the case below the grip portion The battery is built in, the motor is built in the case above the grip, the case is connected to the cylindrical case in front of the motor rotation axis, and the screw is in the cylinder. , And push the raw cement entering from the raw cement inlet above the screw in the forward direction of the screw shaft, and push out the raw cement from the nozzle that can rotate in the circumferential direction of the cylinder connected to the tip of the cylindrical case. The gist is that it is a device.

In the invention of claim 2 of the present application, a screw connected to a motor rotation shaft and a cylindrical case as a screw case are provided in a raw cement storage case, and the above described cylinder is rotated by rotating the screw through the cylindrical case opening. It is sent to the flexible tube connected to the case and further forward, pushed out to another cylinder equipped with a grip part and a motor drive switch, and a nozzle that can rotate in the circumferential direction of the cylinder is connected to the end of the cylinder, The gist is that it is a joint mortar injection device in which the motor and screw are rotated by the motor drive switch described above, and the raw cement can be pushed out from the nozzle.

In the invention of claim 3 of the present application, a switch that can be pulled with a finger is arranged in the vicinity of the index finger of the grip portion having a thickness that can be gripped with one hand, a battery is built in the lower case below the grip portion, and the grip portion The motor is built in the upper case above the motor, the motor shaft is connected to the chuck that can hold one of the coupling joints in front of the motor, and the external cylindrical surface on the front of the case that encloses the motor has a male screw or rib. The drill driver assembly has a female screw or rib on the inner surface of one of the screw cases, which has a nozzle connected to the other coupling joint and the screw, and an inlet and a nozzle through which raw cement flows above the screw. It is fixed to the screwed nozzle assembly with a rotational fit, and at the same time the above-mentioned coupling joints are also connected. It is summarized in that the over rotation is joint mortar injection device extrude a transfer to fresh cement screw rotation.

The invention's effect

According to the joint mortar injecting apparatus according to the present invention, it is possible to apply a pressure to push the raw cement into the joint, so that there is no place where the raw cement does not reach the back of the joint, or the number is greatly reduced.
Furthermore, in the form of the device of the present invention, the driving and stopping of the screw rotation motor for pushing the raw cement with one hand can be operated with the index finger while grasping the device, and the device can be held with one hand, so the direction of pushing out the raw cement can be freely performed in a narrow place The joint cement filling work can be efficiently performed in a short time.
Further, if the present invention is in the form of claim 3, it can be used as a drill driver by removing the tip from the above-mentioned drill driver assembly cylinder and holding the screwdriver or the drill blade in place of the chuck. It can be a multi-function device.

An embodiment of a joint mortar injection apparatus according to the present invention will be described with reference to the accompanying drawings.

The configuration of one example of the apparatus according to claim 1 of the present invention will be described with reference to FIG. A switch knob 2 that can be pulled with a finger is arranged in the vicinity of the index finger of the grip portion 1 having a thickness that can be gripped with one hand, and a battery 3 is built in the lower case 4 below the grip portion 1 described above. A motor 5 is built in the upper case 6, the upper case 6 is connected to a cylindrical case 15 in front of the motor 5 in the rotation axis direction, and a screw blade 8 wound around a screw shaft 9 is provided in the cylindrical case 15. The screw blade 8 is rotated by the rotation of the motor 5 via the motor shaft 7 and the screw shaft 9 penetrating the partition plate 12, and the raw cement inlet 10 disposed above the screw blade 8 from the raw cement storage case 11. , The raw cement is extruded forward of the screw shaft 9 and is connected via the rotating slide portion 14 connected to the tip of the cylindrical case 15. It has a structure to push the raw cement from that nozzle 13.

The configuration of one example of the apparatus according to claim 2 of the present invention will be described with reference to FIG. A cylindrical case 15 wrapping the screw blade 8 wound around the screw shaft 9 connected to the motor 5 is provided in the raw cement storage case 11, and the raw cement is generated by the rotation of the screw blade 8 via the raw cement inlet 10. The cement storage case 11 is pushed through the flexible tube 16 connected to the tip of the cylindrical case 15 and is pushed out to the raw cement receiving cylinder 19 having the grip portion 1 and the switch knob 2. Since it is connected to the nozzle 13 via the rotation slide part 14 which enables rotation in the circumferential direction of the cylinder, raw cement can be taken out from the nozzle 13. Operation control of the motor 5 is such that when the switch knob 2 is pulled, a signal is sent to the motor 5 via the wiring circuit 17.
That is, the invention of claim 2 is a joint mortar injection device that can exhibit the function of claim 1 in a place away from the raw cement storage case 11.

The configuration of one example of the apparatus according to claim 3 of the present invention will be described with reference to FIGS. 3 and 4. A switch knob 2 that can be pulled with a finger is arranged in the vicinity of the index finger of the grip part 1 of a thickness that can be gripped with one hand, as shown in the male screw and coupling joint drill driver assembly of FIG. A chuck with a battery built in the lower case 4, a motor built in the upper case 6 whose front outer surface above the gripping part is a rod and male screw 20 is cut, and a metal rod can be sandwiched in front of the motor shaft There is a drill driver assembly which is connected to 21 and sandwiches the coupling joint A22 in the chuck 21.
On the other hand, in the screw assembly with a nozzle shown in FIG. 4, the other coupling joint B24 is attached to the tip of the screw shaft 9 in the cylindrical case 15, and is cut on the inner surface of one end of the cylindrical case 15. The raw screw 23 and the male screw 20 of the drill driver assembly already described with reference to FIG. 3 are fixed by fitting with rotation, and at the same time, the coupling joint A22 and the coupling joint B24 are connected, and the raw cement can transmit the motor rotation to the screw rotation. It is a joint mortar injection device that can extrude.

Industrial applicability

Since it is self-explanatory, the description is omitted.

It is sectional drawing which shows the components structure of the joint mortar injection apparatus of invention of Claim 1 of this application. It is sectional drawing which shows the components structure of the joint mortar injection apparatus of invention of Claim 2 of this application. It is a side view of the male screw of the component parts assembly of the joint mortar injection device of the invention of Claim 3 of this application, and the drill driver assembly with a coupling joint. It is sectional drawing of the screw assembly with a nozzle of the joint mortar injection apparatus of invention of Claim 3 of this application.

1. 1. grip part 2. Switch knob Battery 4. Lower case 5. Motor 6. Upper case 7. Motor shaft 8. Screw blade9. Screw shaft 10. Raw cement inlet 11. Raw cement storage case 12. Partition plate 13. Nozzle 14. Rotating slide part 15. Cylindrical case 16. Flexible tube 17. Control wiring 18. Power supply 19. Raw cement socket 20. Male screw 21. Chuck 22. Coupling joint A
23. Female thread 24. Coupling joint B

Claims (3)

A switch that can be pulled with a finger is placed near the index finger of the grip part that can be gripped with one hand, a battery is built in the case below the grip part, and a motor is built in the case above the grip part. The case is connected to the cylindrical case in front of the motor axial direction, the screw is built in the cylindrical case, the screw rotates by the rotation of the motor, and the raw cement entering from the raw cement inlet above the screw is screwed. A joint mortar injection device that extrudes raw cement from a nozzle that is pushed forward in the axis and is rotatable in the circumferential direction of a cylinder connected to the tip of the cylindrical case. A screw connected to the motor rotation shaft and a cylindrical case as a screw case are provided in the raw cement storage case. The raw cement passes through the opening from the raw cement storage case, and the raw cement is further moved forward by the rotation of the screw. Through the connected flexible tube, it is pushed out to another cylinder having a grip portion and a motor drive switch, and a nozzle that can be rotated in the circumferential direction of the cylinder is connected to the tip of the cylinder. A joint mortar injecting device in which the motor and screw are rotated by the drive switch, and raw cement can be pushed out from the nozzle. A switch that can be pulled with a finger is placed near the index finger of the grip part that can be gripped with one hand, a battery is built in the lower case below the grip part, and a motor is installed in the upper case above the grip part. A drill driver assembly that has a built-in screw, a motor shaft connected to a chuck that can sandwich one of the coupling joints in front of the motor, and a cylindrical outer surface in front of the case that encloses the motor with a male screw or rib. Rotating fit into screwed nozzle assembly with eye screw or rib on one inner surface of screw case equipped with one coupling joint and screw connected, inlet to which raw cement flows above the screw, and nozzle At the same time, both coupling couplings mentioned above are connected, and the motor rotation is screwed. Joint mortar injection device extrude the raw cement was transferred to.

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