JP2001232272A - Sealant discharge cartridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sealant discharge cartridge and a caulking gun, by which sealing work using a sealant housed in a packaging material can be safely performed. SOLUTION: This sealant discharge cartridge 2 is constituted in a way that the packaging material s packed with the sealant is housed in a tube 3, and that the sealant packed in the packaging material is discharged from a nozzle 42 of a cap 4 detachably attached to one end of the tube 3. The cap 4 is equipped with a connection means 6 detachably connecting the tube 3 and the cap 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing material discharging cartridge which can easily and safely perform a sealing operation using a sealing material packed in a packaging material.

[0002]

2. Description of the Related Art For example, when a sealing material used for attaching a glass window of a building or attaching plywood to a desired gap is to be discharged into a desired gap, a caulking gun is usually used. Used. In this caulking gun, a sealing material filled in a tube of a cartridge is pushed out from a base end side of the tube to a distal end side by a plunger arranged in the tube, and is pushed out from a nozzle of a cap attached to a distal end portion of the tube. Release.

In a conventional caulking gun, a sealing material is directly filled in a tube constituting a cartridge, and when the sealing material in the tube is exhausted,
A new cartridge filled with sealing material was replaced, and the used cartridge was discarded. However, in recent years, due to problems such as reduction of garbage, when filling the sealing material into a sausage package as a packaging material, storing the sausage package in a cartridge, and using up the sealing material in the sausage package, More and more types are being replaced by other sausage packages filled with a sealing material.

Here, in the sausage package type caulking gun, it is necessary to attach and detach the cap each time the sausage package is replaced. For example, in a work at a high place such as a construction site, the cap is held. The operation of replacing the sausage package while placing a heavy burden on the operator,
There is a danger that the user may accidentally drop the cap removed during the package replacement operation, which is dangerous.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cartridge which can easily and safely perform a sealing operation using a sealing material contained in a packaging material.

[0006]

According to the present invention, in order to achieve the above object, a packing material filled with a sealing material is housed in a tube, and the sealing material filled in the packing material is placed at the tip of the tube. A sealing material discharge cartridge configured to discharge from a nozzle of a cap detachably mounted on the cap, the cap being connected to the cap and the tube in a state where the cap is detachable from the tube. The present invention provides a sealing material discharging cartridge, comprising a preventing connecting means.

In this case, as a preferred mode, the connecting means includes a string-shaped member having one end connected to a projection provided on the tube and the other end attached to the cap or nozzle. There is provided the above-mentioned sealing material discharging cartridge.

According to this sealing material discharging cartridge, one end of the string-shaped member is connected to the cap and the other end is connected to the tube, so that when inserting or replacing the sausage package into the tube, The user can perform these operations without holding the cap. Further, since the cap and the tube are connected, there is no danger that the cap will drop when inserting or replacing the sausage package. Therefore, insertion or replacement of the sausage package into the cartridge can be performed easily and safely.

[0009]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a caulking gun 1 according to one embodiment of the present invention. The caulking gun 1 is for filling a desired gap with a sealing material when, for example, attaching a glass window or attaching plywood, and accommodates a sausage package s filled with the sealing material. Cartridge 2
And a gun body 7 for discharging the sealing material from the cartridge 2.

The sausage package s is, for example, a packaging material filled with a sealing material, and is made of a cylindrical water-impermeable material and has both ends s in the longitudinal direction.
The sealing material 1 and s2 are sealed, and the sealing material is released from the one end s1 by cutting the one end s1.

The cartridge 2 includes a tube 3 for accommodating the sausage package s, a cap 4 detachably mounted on the tube 3, and a plunger 5 for pushing out a sealing material filled in the sausage package s. , A connecting member 6 for connecting the tube 3 and the cap 4.

The tube 3 is made of, for example, a cylindrical body made of plastic such as polyvinyl chloride, and has an engaging projection 31 for attaching one end of the connecting member 6.

As shown in FIG. 2A, the engaging projection 31 is provided on the outer peripheral surface on the distal end side of the tube 3, and the distal end portion 31a is formed to be larger in diameter than the base end portion 31b. ,
The distal end portion 31a is press-fitted into an engagement hole 6a provided at one end portion of the connecting member 6 described later, and the base end portion 31b is inserted into the engagement hole 6a.
, One end of the connecting member 6 is locked to the distal end portion 31a, and the one end of the connecting member 6 is connected.

The cap 4 includes a cap body 41 detachably attached to the distal end of the tube 3 and a cap body 4.
1 and a nozzle 42 that is detachably mounted on the nozzle 42.

The cap body 41 has a tube 3 at one end.
Large-diameter cylindrical attachment / detachment part 4 detachably fitted to the tip of the
1a, the other end is a small-diameter cylindrical protrusion 41b. The protruding portion 41b is provided with a male screw portion on the outer peripheral surface, as shown in FIG.
As shown in (B), a connecting member 6 described later is attached to the male screw portion.
The ring portion 6b of the nozzle 42 is fitted and the female screw portion of the nozzle 42 is screwed.

The nozzle 42 has a female screw portion formed on the inner peripheral surface thereof which is screwed to a male screw portion provided on the protrusion portion 41b of the cap body 41. The nozzle 42 is attached to the protrusion portion 41b by screwing both screw portions, and the sealing material 2B, and a projecting portion 41b as shown in FIG.
The ring portion 6b of the connecting member 6 fitted into the male screw portion is locked at its base end surface.

The connecting member 6 is for connecting the cap 4 to the tube 3 in a detachable manner.
As shown in (D), it is composed of a string-shaped member having a flat cross-section and having flexibility, and at one end thereof, an engagement hole 6a for detachably attaching to the engagement projection 31 is provided. The portion includes a ring portion 6b that is removably fitted to the protruding portion 41b of the cap 4. As shown in FIG. 2 (A), the engagement hole 6a is provided at the distal end 31a of the engagement protrusion 31 of the tube 3.
Through the base end portion 31b so that the connecting member 6
Is connected to the connecting member 6 by connecting the connecting member 6 to the tube 3 by locking one end of the connecting member 6 with the distal end portion 31a of the engaging projection 31. Further, as shown in FIG. 2 (B), the ring portion 6b is inserted into a male screw portion provided in the projecting portion 41b of the cap 4 and is locked on the base end surface of the nozzle 42 to connect the connecting member 6 to the cap 4. It is supposed to.

As shown in FIG. 1, the plunger 5 is formed in a substantially columnar shape, and the proximal end surface of the sausage package s is pressed by the pressing means 73 so that the inside of the tube 3 is maintained in a sealed state. Advance to the cap 4 side,
Sausage package s to sausage package s
The sealing material is pushed out to the cap 4 side together with the sealing material filled in the sealing material, and the sealing material is discharged from the discharge port of the cap 4.

The gun body 7 includes a cartridge mounting portion 71 in which the cartridge 2 is mounted, a lever portion 72 gripped by a user when discharging the sealing material filled in the tube 3, and a lever operation performed by the user. And a pushing means 73 for pushing the plunger 5 inside the tube 3 and advancing toward the cap 4 side.

In the caulking gun 1, after the cartridge 2 in which the sausage package s is stored in the cartridge mounting portion 71 of the main body 7 is mounted on the cartridge mounting portion 71 as shown by a thick arrow in FIG. By operating the lever, the pressing means 73 advances while pressing the plunger 5 in the tube 3 of the cartridge 2, whereby the plunger 5 moves the sausage package s arranged in the tube 3 from the proximal end side of the tube 3. The cap 4 pushed out to the other end side and attached to the distal end of the tube 3
The sealing material is discharged from the nozzle 42 to a desired position to perform a sealing operation.

Here, the sausage package s is inserted into the tube 3 by first placing the cap 4 attached to the tube s as shown by the two-dot chain line in FIG. 1 and the tube 3 as shown by the solid line in FIG. Remove from And one end s1
The sausage package s from which the sealing material has been cut out and the sealing material can be discharged is inserted and arranged in the tube 3 with the other end s2 facing the plunger 5, as shown by the thin arrow in FIG. Further, the removed cap 4 is attached to the tube 3 in which the sausage package s is arranged, as shown by a two-dot chain line in FIG.

In this case, as shown in FIG. 2 (A), the engaging hole 6a of the connecting member 6 is locked to the projecting portion 31 of the tube 3, and as shown in FIG. The cap 4 is inserted into the male screw portion provided in the projection 41b of the cap and locked on the base end face of the nozzle 42.
Since the tube 4 and the tube 3 are connected by the connecting member 6, the removed cap 4 remains connected to the tube 3 by the connecting member 6 as shown by a solid line in FIG. Therefore, the user can easily insert the sausage package s without holding the cap 4 in his hand. Further, since the cap 4 and the tube 3 are connected, there is no danger that the cap 4 will fall, so that the sausage package s can be safely inserted.

In this manner, the sealing material is placed in the tube 3
When the sealing material in the sausage package s is used up while performing the sealing operation using the caulking gun 1 loaded in the sausage package 1, the used sausage package s and the sausage package filled with the sealing material s must be exchanged.

In this case, the cap 4 is removed from the tube 3 and the sausage package s in the tube 3 is removed.
Is removed, a new sausage package s is placed in the tube 3 by the above-described operation. As described above, the cap 4 and the tube 3 are connected by the connecting member 6, and the user operates the cap 4. No need to keep
Also, since there is no danger of the cap 4 falling, sausage
The replacement of the package s can be performed easily and safely.

The sealing material discharging cartridge and the caulking gun of the present invention are not limited to the above-described embodiment, and may be appropriately changed without departing from the gist of the present invention. For example, as long as the connecting member 6 for connecting the tube 3 and the cap 4 can connect the cap 4 to the tube 3 in a state where the cap 4 can be attached to and detached from the tube 3, the shape and the engagement projection The method of connecting to the cap 31 and the cap 4 is optional. For example, an engaging projection having the same configuration as the engaging projection 31 provided on the tube 3 is provided on the cap 4 and engaging holes are provided at both ends of the connecting member 6 instead of the ring portions 6b. May be connected, and in this case, a string-shaped body may be connected to the base end 31b of each engagement protrusion 31.

The shape of the engaging projection 31 provided on the tube 3 and the arrangement position on the tube 3 are arbitrary as long as one end of the connecting member 6 can be fixed. It may be changed appropriately according to the method. The attachment of the connecting member 6 to the cap 4
The ring portion 6b is connected to the male screw portion of the projection portion 41b and the nozzle 42.
Not only the one that locks on the base end surface, but only one of them may be used. Further, the materials and shapes of the tube 3, the cap 4, and the plunger 5 constituting the caulking gun 1 are not limited to those in the above-described embodiment, and are arbitrary, and may be appropriately changed according to the material of the sealing material to be used and the purpose of caulking. I don't mind.

[0027]

As described above, according to the cartridge of the present invention, the sealing operation using the sealing material packed in the packaging bag can be easily and safely performed.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a caulking gun according to one embodiment of the present invention.

FIG. 2A is a schematic view showing an engagement projection constituting the caulking gun, FIG. 2B is a partially enlarged view showing a cap constituting the caulking gun, and FIGS. It is the schematic which shows the connection member which comprises a caulking gun.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Caulking gun 2 Cartridge 3 Tube 31 Engagement projection 4 Cap 41 Cap main body 41a Attachment part 41b Projection part 5 Plunger 6 Connecting member 6a Engagement hole 6b Ring part 7 Main body s Sausage package

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E062 AA20 AB01 KA01 KC01 4F041 AA08 AA18 BA02 BA32 4F042 AA16 AA29 CB00 FA28 FA30 FA36

Claims (2)

[Claims] 1. A structure in which a packaging material filled with a sealing material is accommodated in a tube, and the sealing material filled in the packaging material is discharged from a nozzle of a cap detachably attached to a distal end portion of the tube. A sealing material discharging cartridge, comprising: a cap drop prevention connecting means for connecting the cap and the tube from the tube in a state where the cap is detachable. For cartridges. 2. The connecting means comprises a string-shaped member having one end connected to a projection provided on the tube and the other end attached to the cap or nozzle. A cartridge for releasing a sealant according to the above.