JPH0724067Y2 - Liquid vaporizer lead holding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a lead holding device for liquid vaporizers such as insecticides and deodorants.

[Conventional technology]

Conventionally, as vaporizers for chemical liquids, there are JP-B 43-25081, JP-B 45-14913, JP-A 60-125876, and the like. The vaporizer described in the above publication has a cylindrical tubular portion 45 in the mouth tubular portion 2 of the container 1 as shown in FIG. 7, for example.
Is fitted and fixed, and the core for sucking up the liquid is placed in the tubular portion 45.
27 is inserted and the wick 27 is held at a predetermined height. A heater 46 is provided near the upper part of the wick 27 to heat the upper part of the wick 27 and the wick 27 sucks up the liquid medicine from the container 1. To evaporate.

[Problems to be Solved by the Invention] The conventional vaporizer shown in FIG. 7 has a cylindrical tubular portion 45,
The wick 27 for sucking up the liquid is inserted to hold the wick 27 at a predetermined height. The wick 27 sucks up the liquid in the container 1 by the capillary phenomenon, and is therefore flexible. .

When trying to insert the flexible core 27 into the tubular portion 45 as described above, if the inner diameter of the tubular portion 45 is smaller than the outer diameter of the core 27, it is difficult to insert the core 27. . Therefore,
Increasing the inner diameter of the tubular portion 45 facilitates insertion of the core 27 into the tubular portion 45, but the core 27 moves within the tubular portion 45 due to vibration or the like for a long period of time, May not be held at the position. Further, if the wick 27 is pressed too strongly, there is a risk that it may interfere with the suction of the liquid.

The present invention has been made in view of the above matters, and a lead holding device for a liquid vaporizer, in which the lead is easily attached to the lead holding device, and after the attachment, the lead is surely held in the original position with an appropriate pressure. To do this is a technical issue.

[Means for Solving the Problems]

The present invention is provided with a plastic resin fitting tube 7 which can be fitted and fixed to the mouth tube portion 2 of the container 1, and a flexible liquid suction core 27 is inserted and held in the fitting tube 7. Holding cylinder 20 is continuously provided, a locking projection 21 is provided on the outer periphery of the central portion of the holding cylinder 20, a slit 22 is provided in the lower portion of the holding cylinder 20, and further, the holding cylinder 20 has a A tightening tube 30 made of plastic resin is externally fitted, and the inside of the upper part of this tightening tube 30 is
A locking step portion 31 that locks to the locking projection 21 of the holding cylinder 20 is provided, an annular taper portion 32 having a small diameter on the lower side is provided inside the lower portion of the tightening cylinder 30, and Tightening tube
The inner diameter of 30 is smaller than the outer diameter of the holding cylinder 20,
By being externally fitted to the holding cylinder 20, the inner diameter of the holding cylinder 20 is reduced, and the wick 27 is formed to have an inner diameter that allows the wick to be pressed, thereby forming a lead holding device for a liquid vaporizer.

[Action]

The present invention, as shown in FIG.
The liquid suction core 27 is inserted into the holding cylinder 20 in a state in which 30 is not fitted.

Then, since the inner diameter of the holding cylinder 20 is not reduced,
The core 27 is easily inserted into the holding cylinder 20. Therefore, with the core 27 protruding upward from the fitting cylinder 7 by a predetermined length,
A tightening cylinder 30 is fitted on the holding cylinder 20. Then, the locking step portion 31 of the tightening cylinder 30 is engaged with the locking protrusion 21 of the holding cylinder 20.

Then, the tightening tube 30 tightens the holding tube 20 at a predetermined position, and since the slit 22 is provided in the lower part of the holding tube 20, the lower part of the holding tube 20 tightened by the tightening tube 30. Holds the core 27 at an appropriate pressure by pressing the core 27 at a predetermined pressure by projecting inward by a predetermined amount and reducing the inner diameter by a predetermined amount.

[Embodiment] FIGS. 1 to 5 are views for explaining one embodiment of the present invention.

Container 1 into which the core holding device of the liquid vaporizer of this embodiment is fitted
Is a container 1 containing a liquid such as an insecticide and a deodorant,
A concave groove 3 is provided on the outer periphery of the upper portion of the mouth tube portion 2.

The liquid vaporizer lead holding device is provided with a fitting tube 7 made of a plastic resin, for example, soft polyethylene, which can be fitted into the mouth tube portion 2 of the container 1. A flange 8 is integrally connected, and an upper surface sealing protrusion 9 is provided on the upper surface of the flange 8 and a lower surface sealing protrusion 10 is provided on the lower surface thereof, and an outer cylinder 11 is provided from the outer edge of the flange 8. Is provided so as to hang down, and an appropriate number of protrusions 12 (three in this embodiment) to be fitted into the concave grooves 3 of the mouth tube portion 2 are provided at equal intervals inside the lower portion of the outer cylinder 11. I am doing it.

The fitting cylinder 7 has an outer diameter larger than the inner diameter of the mouth cylinder part 2. When the fitting cylinder 7 is pressed into the mouth cylinder part 2, the fitting cylinder 7 is fitted into the fitting cylinder 7. The outer diameter of 7 is formed so as to be reduced. A lower portion of the fitting cylinder 7 is formed into a tapered cylinder 15 having a smaller diameter on the lower side, and a holding cylinder 20 for inserting and holding a liquid suction core 27 is integrally connected to the lower part of the tapered cylinder 15. The wick for sucking up the liquid
27 has the flexibility to suck up the liquid by the capillary phenomenon, vaporize it, and evaporate it.

An engaging projection 21 is provided on the outer periphery of the central portion of the holding cylinder 20, and an appropriate number of slits 22 (three in this embodiment) are provided at equal intervals on the lower portion of the holding cylinder 20. There is.

Further, inside the fitting cylinder 7, there are integrally provided press pieces 16 formed upright from the upper part of the holding cylinder 20 at an appropriate number of intervals (four in this embodiment). The inside of the pressing piece 16 is formed into an arcuate surface having the same radius as the inner surface of the holding cylinder 20, and further, the connecting piece 17 is provided between the outside of the pressing piece 16 and the inside of the fitting tube 7. The connecting piece 17 is integrally formed with the pressing piece 16 and the fitting tube 7.

The pressing piece 16 and the connecting piece 17 are useful for securely holding the core 27, but they are not essential as shown in FIG.

Further, a tightening cylinder 30 made of plastic resin, for example, hard polyethylene, is externally fitted to the holding cylinder 20, and the locking projection 21 of the holding cylinder 20 is locked inside the upper part of the tightening cylinder 30. An engaging step portion 31 is provided, and an annular taper portion 32 having a smaller diameter on the lower side is provided at the lower portion of the tightening cylinder 30.

The inner diameter of the tapered portion 32 of the tightening cylinder 30 is smaller than the outer diameter of the lower portion of the holding cylinder 20 with which the tapered portion 32 abuts, that is, the lower portion of the holding cylinder 20 provided with the slit 22. By externally fitting the tightening cylinder 30 to the holding cylinder 20, the taper portion 32 of the tightening cylinder 30 reduces the lower portion of the holding cylinder 20 to reduce the inner diameter of the holding cylinder 20. An inner diameter of the taper portion 32 is formed so that the core 27 can be pressed under the holding cylinder 20.

And, the lead holding device of the liquid vaporizer of the above embodiment is the second
As shown in the figure, the core 27 is inserted from above the holding cylinder 20 of the fitting cylinder 7 in a state where the fitting cylinder 7 is not fitted to the mouth cylinder part 2 of the container 1 and the core 27 is held. The core 27 is inserted into the core 27 and the lower portion of the core 27 is pulled out below the holding cylinder 20. Further, the length of the core 27 protruding above the fitting cylinder 7 becomes a predetermined length.
Position.

Next, the tightening cylinder 30 is fitted onto the holding cylinder 20 and pressed to lock the locking step portion 31 of the tightening cylinder 30 to the locking projection 21 of the holding cylinder 20.

Then, the taper portion 32 of the tightening cylinder 30 tightens the lower part of the holding cylinder 20 at a predetermined position, the lower part of the holding cylinder 20 provided with the slit 22 is bent inward by a predetermined amount, and the core 27 is pressed by a predetermined pressure. And hold the core 27 at an appropriate pressure.

Further, when the fitting tube 7 having the core 27 inserted and held therein is fitted into the mouth tube portion 2 of the container 1 and is strongly pressed from above, the fitting tube formed has a diameter larger than the inner diameter of the mouth tube portion 2. The tube 7 is reduced and fitted into the mouth tube portion 2.

Since the fitting cylinder 7 having the reduced inner diameter pushes the pressing piece 16 inward through the connecting piece 17, the pressing piece 16 also
The core 27 is pressed so that the core 27 is more firmly held in the fitting cylinder 7.

FIG. 6 shows another embodiment, and the same parts as those in the previous embodiment are designated by the same reference numerals and their description is omitted.

In this embodiment, the pressing piece 16 and the connecting piece 17 are not provided inside the fitting tube 7, and the core 27 is held by being held only by the holding tube 20.

[Effect of device]

The present invention provides a fitting tube 7 with a flexible lead for sucking up a liquid.
Holding cylinders 20 for inserting and holding 27 are provided in series, and
A locking projection 21 is provided on the outer periphery of the center of the holding cylinder 20, and a slit 22 is provided in the lower portion of the holding cylinder 20.
And a locking step portion 31 that locks with the locking projection 21 is provided on the tightening cylinder 30, and a taper portion 32 having a smaller diameter downward is formed at the lower portion of the tightening cylinder 30. It is provided.

Therefore, remove the tightening cylinder 30 from the holding cylinder 20 and
Since the core 27 can be inserted into the holding cylinder 20 without reducing the inner diameter of the core 27, the core 27 can be easily inserted.

Then, after the core 27 is inserted, the tightening cylinder 30 is externally fitted to the holding cylinder 20 so that the locking step portion 31 of the tightening cylinder 30 becomes the locking projection of the holding cylinder 20.
When it is locked to the holding cylinder 20, the predetermined position of the tightening cylinder 30 will
Abutting against the core 27 to reduce the holding cylinder 20 by a predetermined amount,
Is clamped with a predetermined pressure, the core 27 is at a predetermined position, and
It can be reliably held at an appropriate pressure.

[Brief description of drawings]

1 to 5 are views for explaining one embodiment of the present invention. FIG. 1 is a half sectional view, FIG. 2 is a half sectional view of a fitting cylinder, and FIG. 3 is a plan view thereof. 4, FIG. 4 is a bottom view thereof, FIG. 5 is a half cutaway view of a tightening cylinder, FIG. 6 is a half cross sectional view of another embodiment, and FIG. 7 is a cross sectional view of a conventional example. 1 ... container, 2 ... mouth cylinder part, 7 ... fitting cylinder, 20 ... holding cylinder, 21 ... locking protrusion, 22 ... slit, 27 ... core, 30 ...
… Tightening tube. 31 …… Locking step, 32 …… Tapered section.

Continuation of the front page (56) References Open 63-48475 (JP, U) Open 49-78672 (JP, U) Open 48-7473 (JP, U) Open 55-38051 (JP) , U)

Claims (1)

[Scope of utility model registration request] 1. A plastic resin fitting tube 7 which can be fitted and fixed to a mouth tube portion 2 of a container 1 is provided, and a flexible liquid suction core 27 is inserted into the fitting tube 7. A holding cylinder (20) for holding is provided in series, a locking projection (21) is provided on the outer periphery of the center of the holding cylinder (20), and a slit (22) is provided in the lower part of the holding cylinder (20).
Further, a plastic resin tightening cylinder 30 is externally fitted to the holding cylinder 20, and a locking protrusion 21 of the holding cylinder 20 is locked inside the upper part of the tightening cylinder 30. A step portion 31 is provided, an annular taper portion 32 having a smaller diameter on the lower side is provided inside the lower portion of the tightening cylinder 30, and the inner diameter of the tightening cylinder 30 is larger than the outer diameter of the holding cylinder 20. A wick holding device for a liquid vaporizer, which has a small diameter and is fitted onto the holding barrel 20 to reduce the inner diameter of the holding barrel 20 so that the wick 27 can be pressed.