JP3343446B2 - Nebulizer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sprayer provided with a nozzle cover at the tip of a spray nozzle.

[0002]

2. Description of the Related Art The applicant of the present invention has previously disclosed, as a sprayer of this kind, a nozzle cover which covers the nozzle port at the tip of a spray nozzle having a nozzle port at the center of the front face, and the base end of the nozzle cover. Developed with a nozzle that is openably and closably mounted on the top of the tip of the spray nozzle and provided with a locking small hole and an engaging projection to lock and maintain the nozzle opening closed state on the nozzle cover. (Japanese Patent Application No. 6-27754). According to this, the nozzle port can be closed when not needed, and the closed state can be accurately maintained by the support means.

[0003]

However, in this case alone, during the spraying operation, the opened nozzle cover unexpectedly pivots to the closed state, impeding the spraying and preventing the spraying from colliding with the nozzle cover. Particles scatter in unexpected directions and adhere to the user's face, limbs, etc.
Penetrates into internal organs through eyes, ears, nose and mouth.
Therefore, it is extremely dangerous when used as an insecticide.

An object of the present invention is to solve the above-described problems by enabling the nozzle cover to be accurately maintained not only in the closed state of the nozzle opening but also in the opened state.

[0005]

In order to achieve the above object, the invention of claim 1 is directed to a spray nozzle 21 having a nozzle port 213 at the center of the front surface, and a pair of left and right bearings at the upper portion thereof.
22 and a notch 23 in the lower part,
The nozzle cover 24 covering the nozzle port 213 is disposed in front of the nozzle cover 213, and the base end portion 241 of the nozzle cover 24 is attached to the spray nozzle 21.
Of the nozzle cover 24
In addition, a bendable thin hinge 244 is formed at an appropriate position, and an engaging end 245 for detachably engaging with the notch 23 is provided at the tip, and between the engaging end 245 and the notch 23 is provided. Engaging projection 251 and locking small hole 25 for detachably engaging with each other
2, and a hook 261 is provided on the outer surface of the engaging end 245, and the hook 261 is detachably attached to the rear of the upper surface of the spray nozzle 21 corresponding to the hook 261. By providing a locking recess 262 to be engaged,
The other nozzle cover supporting means 26 is constituted by the locking concave portion 262 and the hook 261.

According to a second aspect of the present invention, the nozzle opening 21 is provided at the center of the front surface.
At the tip of the spray nozzle 21 having a pair 3, a pair of left and right bearings 22 is formed at the upper part, a notch 23 is formed at the lower part, and a nozzle cover 24 that covers the nozzle port 213 is disposed in front of the nozzle port 213. A base end 241 of the nozzle cover 24 is pivotally mounted on the bearing 22 of the spray nozzle 21 so as to be openable and closable. A portion 245 is provided, and the engagement end portion 245 and the notch
One of the nozzle cover supporting means 25 is constituted by an engaging projection 251 and a small engaging hole 252 which are detachably engaged with each other, and is opened on the outer surface of the base end portion 241 of the nozzle cover 24. A crossover engaging ridge 263 that crosses and engages a proper position at the tip of the spray nozzle 21 with the rotation of the hole is provided, and the other crossover engaging ridge 263 constitutes the other nozzle cover support means 26. And

According to a third aspect of the present invention, the nozzle opening 21 is provided at the center of the front surface.
At the tip of the spray nozzle 21 having a pair 3, a pair of left and right bearings 22 is formed at the upper part, a notch 23 is formed at the lower part, and a nozzle cover 24 that covers the nozzle port 213 is disposed in front of the nozzle port 213. A base end 241 of the nozzle cover 24 is pivotally mounted on the bearing 22 of the spray nozzle 21 so as to be openable and closable. A portion 245 is provided, and the engagement end portion 245 and the notch
One of the nozzle cover supporting means 25 is constituted by an engaging projection 251 and a small engaging hole 252 which are removably engaged with each other, and the base end portion 241 of the nozzle cover 24 has An engaging projection 264 and a small engaging hole are provided at appropriate locations on the inner surface of the bearing portion 22 corresponding to the above, and the other engaging nozzle 264 and the small engaging hole constitute the other nozzle cover support means 26. It is characterized by having done.

According to the invention of claim 4, the nozzle opening 21 is provided at the center of the front surface.
At the tip of the spray nozzle 21 having a pair 3, a pair of left and right bearings 22 is formed at the upper part, a notch 23 is formed at the lower part, and a nozzle cover 24 that covers the nozzle port 213 is disposed in front of the nozzle port 213. A base end 241 of the nozzle cover 24 is pivotally mounted on the bearing 22 of the spray nozzle 21 so as to be openable and closable. A portion 245 is provided, and the engagement end portion 245 and the notch
One of the nozzle cover supporting means 25 is constituted by an engaging projection 251 and a small engaging hole 252 which are removably engaged with each other between the nozzle cover 23 and the nozzle cover 24.
The stepped portion 266 is configured to be mounted on the upper surface of the bearing portion 22 in a state where the nozzle cover 24 is opened and rotated, and the nozzle cover 24 is tilted backward, and the other nozzle cover supporting means 26 is configured by the structure. Features.

According to a fifth aspect of the present invention, a pair of left and right bearings 22 are formed at the top of the spray nozzle 21 having a nozzle port 213 at the center of the front surface, and a notch 23 is formed at the bottom of the nozzle. A nozzle cover 24 that covers the nozzle port 213 is disposed in front of the port 213, and the base end 241 of the nozzle cover 24 is provided.
The nozzle cover 24 is provided with an engagement end 245 for detachably engaging with the notch 23 at the tip thereof. One nozzle cover supporting means formed by an engaging projection 251 and a small engaging hole 252 for detachably engaging with each other between the notch 245 and the notch 23
25, and a structure in which the back of the bearing portion 22 is deeply recessed, and the nozzle cover 24 is opened and rotated, and is inserted into the deep recess in a backward state, and the other nozzle cover supporting means is used in this structure. 26 is constituted.

[0010]

According to the above construction, the nozzle cover 24 is provided with the nozzle opening 21 in the non-spraying state.
3, the nozzle cover support means 25 is operated in the closed state, and during spraying, the other nozzle cover support means 26 is operated in the open state of the nozzle port 213 to change the closed state or the open state. Let it be maintained.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 1 to 5 show an embodiment of the sprayer according to the first aspect of the present invention.

In FIG. 1, 1 is a liquid container, and 2 is a trigger type sprayer body detachably screwed to the mouth and neck of the liquid container, all of which are made of synthetic resin.

As shown in FIGS. 1 to 5, the sprayer main body 2 has a spray nozzle 21 having a substantially inverted triangular outer peripheral shape at the tip end when viewed from the front, and a recessed and recessed portion at the middle of the front surface of the spray nozzle.
A nozzle tube 212 is formed at the center of the recessed portion, and a nozzle nozzle 213 for spraying having a spin groove is provided at the center of the nozzle tube.

The spray nozzle 21 is further formed with a pair of bearings 22 formed on both sides by cutting off the upper end of the spray nozzle widely, and a shaft hole 221 provided with a fitting groove 222 from the front on each of the opposing surfaces of both bearings. A notch 23 is formed at the lower end of the tip.

A nozzle cover 24 for covering the nozzle port 213 is provided in the recessed and recessed portion 211 of the spray nozzle 21 so as to be freely inserted and removed, and a pair of cantilever shafts are provided on both sides of a base end portion 241 of the nozzle cover.
242, and the cantilevered shaft is inserted into the shaft hole 221 by a fitting groove 222.
Rotatably fit through the base end
241 is pivotally mounted on the bearing portion 22 so as to be openable and closable, and the nozzle cover has a closed hole protruding portion 24 at the center of the inner surface for closing the nozzle port 213.
3 is projected, and a fitting projection 246 is provided around the closed hole projection so as to be detachably fitted to the nozzle tube 212,
In addition, a thin hinge 24 that can be bent near the base end portion 241
4 is provided, and an engaging end 245 for detachably engaging the notch 23 is provided at the tip, and the nozzle port 213 is maintained in a closed state between the engaging end and the notch 23. The one nozzle cover supporting means is provided with a pair of engaging small holes 252 on the inner surface of the notch 23, and the engaging end is provided corresponding to the engaging small hole. A pair of engaging projections 251 are provided on both sides of the portion 245 so as to protrude therefrom and detachably engage with each other.

A hook 26 is provided on the outer surface of the engagement end 245.
1 and a locking recess 262 for detachably engaging the hook is provided at the rear of the upper surface of the spray nozzle 21 corresponding to the hook, and the opening of the nozzle port 213 is opened by the locking recess and the hook. The other nozzle cover supporting means 26 for maintaining the above-mentioned condition is constituted.

With such a structure, usually, when spraying is not required, as shown in FIG. 2, the nozzle cover 24 is closed, and one nozzle cover supporting means 25 maintains the state. When spraying is required, as shown in FIG. 3, the engaging projection 251 is disengaged from the small locking hole 252 to open one nozzle cover supporting means 25 and further raise the nozzle cover 23 upward. Swivel backward and hook 261
Is engaged with the locking concave portion 262, so that the other nozzle cover supporting means 26 operates to maintain the nozzle opening 213 in the closed state. After the spraying is completed, it can be returned to the original state by the reverse operation.

Part 2. 6 to 8 show an embodiment of the sprayer according to the second aspect of the present invention.

In this case, the nozzle cover 24 does not include the bendable thin hinge 244 in the previous example,
Further, the configuration of the other nozzle cover support means 26 is different.

In this case, the other nozzle cover supporting means 26
As shown in FIGS. 6 to 8, the nozzle cylinder of the spray nozzle 21 is rotated with the rotation of the opening on the outer surface of the base end portion 241 of the nozzle cover 24.
The overhanging projection 263 is provided on the upper edge of the overhang 212.

With this configuration, when spraying is required, the nozzle cover 24 is rotated upwardly to open the nozzle cover 24 and the over-travel engagement ridge 263 is engaged over the upper edge of the nozzle cylinder 212. Then, the other nozzle cover supporting means 26 is operated to maintain the nozzle port 213 in the closed state. After the spraying is completed, it can be returned to the original state by the reverse operation.

The rest is the same as the previous example, and the description of the previous example is omitted.

Part 3. 9 to 11 show a third embodiment of the sprayer according to the third aspect of the present invention.
An example is shown.

Also in this case, as in the previous example, the first embodiment. In this embodiment, the nozzle cover 24 does not have a bendable thin hinge 244, and the configuration of the other nozzle cover supporting means 26 is different.

In this case, the other nozzle cover supporting means 26
Are provided with a pair of engaging projections 264 on both side surfaces of the base end portion 241 of the nozzle cover 24, and provided with small locking holes 265 at appropriate positions on the inner surfaces of the bearing portions 22 on both sides corresponding to the engaging projections. Thus, the two are detachably engaged.

With this configuration, when spraying is required, the nozzle cover 24 is rotated upwardly to open the engagement projection 26.
4 is engaged with the small locking hole 265 to maintain the nozzle port 213 in the closed state. After the spraying is completed, it can be returned to the original state by the reverse operation.

Others are described in the first embodiment. Per the same as
Omitted.

Part 4. FIGS. 12 to 14 show an embodiment of the sprayer according to the fourth aspect of the present invention.

Also in this case, the first embodiment. In this embodiment, the nozzle cover 24 does not have a bendable thin hinge 244, and the configuration of the other nozzle cover supporting means 26 is different.

In this case, the other nozzle cover supporting means 26
Has a structure in which a pair of step portions 266 are formed on both sides of the intermediate portion of the nozzle cover 24, and the step portions are mounted on the upper surfaces of the bearing portions 22 on both sides in a state where the nozzle cover is opened and turned backward.

With this configuration, when spraying is required, the nozzle cover 24 is rotated upwardly to open the two-step portion 266.
Are placed on the upper surfaces of the bearing portions 22 on both sides in the backward state, and the nozzle port 213 is maintained in the closed state. After the spraying is completed, it can be returned to the original state by the reverse operation.

Others are described in the first embodiment. Per the same as
Omitted.

Part 5. 15 to 17 show an embodiment of the sprayer according to the fifth aspect of the present invention.

In this case as well, in the first embodiment. In this embodiment, the nozzle cover 24 does not have a bendable thin hinge 244, and the configuration of the other nozzle cover supporting means 26 is different.

In this case, the other nozzle cover supporting means 26
Has a structure in which the rear of both bearings 22 is deeply recessed, and both sides of the nozzle cover 24 are cut off, and the nozzle cover is opened and rotated, and is inserted into the deep recess in a backward state.

With this configuration, when spraying is required, the nozzle cover 24 is rotated upward to open the hole and tilted deeply backward to maintain the nozzle opening 213 in a closed state. After the spraying is completed, it can be returned to the original state by the reverse operation.

Others are described in the first embodiment. Per the same as
Omitted.

[0038]

As described above, in any of the configurations, not only can the nozzle cover 24 not only operate the one nozzle cover support means 25 but also the nozzle cover 213 with the nozzle port 213 closed, The other nozzle cover support means 26 can be operated even when the nozzle port 213 is in the open state, so that during the spraying operation, the opened nozzle cover 24 unexpectedly rotates to the closed state to inhibit spraying. In addition, the spray particles that collided with the nozzle cover 24 scatter in an unexpected direction and adhere to the user's face, limbs, etc., and from the user's eyes, ears, nose, mouth, etc. to internal organs of the human body It does not penetrate to any extent, and there is no danger when used for insecticides.

Further, according to the first to fifth aspects of the present invention, the engagement end 245 provided at the tip of the nozzle cover 24 as the one nozzle cover support means 25 is fitted to the engagement end. In order to removably engage with each other, an engaging projection 251 and a small engaging hole 252 are provided between the notch 23 provided at the lower end of the spray nozzle 21 and the nozzle cover. The nozzle 24 can accurately maintain the closed state of the nozzle port 213.

Further, according to the first aspect of the present invention, a bendable thin hinge 244 is formed at an appropriate position on the nozzle cover 24, and a hook 261 is provided on the outer surface of the engaging end 245 at the tip.
261 corresponding to the hook 261
Is provided so that the other nozzle cover supporting means 26 is constituted by the locking recess 262 and its hook 261. Therefore, the locking recess 262 is provided in the nozzle cover 24. Nozzle 21
3, the nozzle cover 24 can be bent by the thin hinge 244, and the operation and handling can be easily performed.

According to the second aspect of the present invention, the nozzle cover 24
The overhanging engagement ridge 263 that overhangs and engages a proper position at the tip of the spray nozzle 21 with the rotation of the opening on the outer surface of the base end portion 241 of the nozzle.
Is provided, and the other nozzle cover supporting means 26 is constituted by the over-travel engagement ridge 263. Therefore, the nozzle cover 24 is opened by the over-travel engagement of the over-travel engagement ridge 263 on the nozzle cover 24. The posture can be maintained accurately, and the other nozzle cover supporting means 26 can be easily formed simply by providing the overhanging projection 263 on the nozzle cover 24, so that it can be manufactured at low cost.

According to the third aspect of the present invention, the nozzle cover 24
An engaging projection 264 and a small engaging hole 265 are provided for engaging with each other at an appropriate position on the side of the base end 241 of the side surface and an appropriate location on the inner surface of the bearing portion 22 of the spray nozzle 21 corresponding thereto. Since the other nozzle cover support means 26 is constituted by the stop hole 265,
The nozzle cover 24 can reliably maintain the opening state of the nozzle port 213 by the engagement of the engaging projection 264 and the small locking hole 265, and the mold for the synthetic resin molding can be manufactured. Easy and inexpensive to manufacture.

According to the fourth aspect of the present invention, the nozzle cover 24
A step portion 266 is formed on both sides of the middle portion of the nozzle portion 24, and the step portion 266 is mounted on the upper surface of the bearing portion 22 in a state where the nozzle cover 24 is opened and turned backward, and the other nozzle is used in this structure. Since the cover support means 26 is configured, the nozzle cover 213 can be accurately and easily operated by simply opening and rotating the nozzle cover 24.
Can be maintained, and the mold can be easily manufactured at a low cost even in molding a synthetic resin.

According to the fifth aspect of the present invention, the bearing portion
The rear of the nozzle 22 is deeply recessed, and the nozzle cover 24 is opened and rotated, and the nozzle cover 24 is inserted into the deep recess in the backward state,
Since the other nozzle cover supporting means 26 is constituted by this structure, the nozzle cover 24 can accurately maintain the opening state of the nozzle port 213 by a simple operation of simply opening the nozzle cover 24. In addition, the mold can be easily manufactured even at the time of molding a synthetic resin, and can be manufactured at low cost.

[Brief description of the drawings]

FIG. 1 is a partially cut-away side view showing an embodiment of a sprayer according to the first aspect of the present invention.

FIG. 2 is a perspective view of a main part of the same example in a closed state.

FIG. 3 is a perspective view of a main part of the example in an opening state.

FIG. 4 is an exploded perspective view of a main part of the example.

FIG. 5 is a sectional view of a main part of the example.

FIG. 6 is a perspective view showing an embodiment of the sprayer according to the second aspect of the present invention in a state where the main part is closed.

FIG. 7 is an exploded perspective view of a main part of the same example.

FIG. 8 is a sectional view of a main part of the example.

FIG. 9 is a perspective view showing an embodiment of the sprayer according to the third aspect of the present invention in a state where the main part is closed.

FIG. 10 is a perspective view of an essential part of the example in an opening state.

FIG. 11 is an exploded perspective view of a main part of the example.

FIG. 12 is a perspective view showing an embodiment of the sprayer according to the invention of claim 4 of the present invention, in a state where a main part is closed.

FIG. 13 is a perspective view of a main part of the same example in an opening state.

FIG. 14 is a perspective view of a main part of the example.

FIG. 15 is a perspective view showing an embodiment of the sprayer according to the fifth aspect of the present invention in a state where the main part is closed.

FIG. 16 is a perspective view of a main part of the same example in an opening state.

FIG. 17 is a perspective view of a main part of the example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Liquid container 2 ... Sprayer main body 21 ... Spray nozzle 211 ... Depressed part 212 ... Nozzle cylinder 213 ... Nozzle port 22 ... Bearing part 221 ... Shaft hole 222 ... Notch 24 ... Notch 24 ... Nozzle cover 241 ... Base end part 242 … Cantilever shaft 243… closing hole protrusion 244… thin hinge 245… engagement end 246… fitting protrusion 25… one nozzle cover supporting means 251… engagement protrusion 252… locking small hole 26… the other nozzle cover Supporting means 261, hook 262, locking recess 263, engaging ridge 264, engaging projection 265, locking small hole 266, step

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 47/34 B05B 11/00

Claims (5)

(57) [Claims] 1. At the tip of a spray nozzle 21 having a nozzle port 213 in the center of the front surface, a pair of left and right bearings 22 is provided at the upper part, and a notch 23 is provided at the lower part.
A nozzle cover 24 that covers the nozzle port 213 is disposed in front of the nozzle port 213, and a base end 241 of the nozzle cover 24 is axially attached to the bearing portion 22 of the spray nozzle 21 so as to be openable and closable. The nozzle cover 24 has a thin hinge 244 that can be bent in place.
And an engaging end 245 for detachably engaging the notch 23 at the tip thereof, and an engaging for detachably engaging the engaging end 245 and the notch 23 with each other. Spike 25
One nozzle cover support means 25 by 1 and locking small hole 252
A hook 261 is provided on the outer surface of the engaging end 245, and a locking recess 262 for detachably engaging the hook 261 is provided at the rear of the upper surface of the spray nozzle 21 in correspondence with the hook 261. A sprayer characterized in that the other nozzle cover supporting means 26 is constituted by the locking concave portion 262 and the hook 261. 2. At the tip of the spray nozzle 21 having a nozzle port 213 in the center of the front surface, a pair of left and right bearings 22 is provided at the upper part, and a notch 23 is provided at the lower part.
A nozzle cover 24 that covers the nozzle port 213 is disposed in front of the nozzle port 213, and a base end 241 of the nozzle cover 24 is axially attached to the bearing portion 22 of the spray nozzle 21 so as to be openable and closable. The nozzle cover 24 is provided at its tip with an engagement end 245 for detachably engaging the notch 23, and the nozzle cover 24 is detachably engaged between the engagement end 245 and the notch 23. Engagement projection 25
One nozzle cover support means 25 by 1 and locking small hole 252
And a crossover engagement ridge 263 that crosses and engages a proper position at the tip of the spray nozzle 21 with the rotation of the opening on the outer surface of the base end portion 241 of the nozzle cover 24, and the crossover engagement Ridge 26
3. A sprayer characterized in that the other nozzle cover supporting means 26 is constituted in 3. 3. At the tip of the spray nozzle 21 having a nozzle port 213 in the center of the front surface, a pair of left and right bearings 22 is provided at the upper part, and a notch 23 is provided at the lower part.
A nozzle cover 24 covering the nozzle port 213 is disposed in front of the nozzle port 213, and a base end 241 of the nozzle cover 24 is axially attached to the bearing 22 of the spray nozzle 21 so as to be openable and closable. The nozzle cover 24 is provided at its tip with an engagement end 245 for detachably engaging the notch 23, and the nozzle cover 24 is detachably engaged between the engagement end 245 and the notch 23. Engagement projection 25
One nozzle cover support means 25 by 1 and locking small hole 252
An engaging projection 264 and a small engaging hole 265 are provided at appropriate positions on the side surface of the base end portion 241 of the nozzle cover 24 and at appropriate positions on the inner surface of the bearing portion 22 corresponding thereto. A sprayer characterized by comprising the other nozzle cover supporting means 26 by the projection 264 and the small locking hole 265. 4. At the tip of the spray nozzle 21 having a nozzle port 213 in the center of the front surface, a pair of left and right bearings 22 is provided at the upper part, and a notch 23 is provided at the lower part.
A nozzle cover 24 covering the nozzle port 213 is disposed in front of the nozzle port 213, and a base end 241 of the nozzle cover 24 is axially attached to the bearing 22 of the spray nozzle 21 so as to be openable and closable. The nozzle cover 24 is provided at its tip with an engagement end 245 for detachably engaging with the notch 23.
One of the nozzle cover supporting means 25 is constituted by an engaging projection 251 and an engaging small hole 252 which are detachably engaged with each other between the notch 5 and the notch 23. A step portion 266 is formed on the upper surface of the bearing portion 22 in a state in which the nozzle cover 24 is opened and rotated, and the nozzle cover 24 is turned down. A sprayer characterized by comprising: 5. A front end of a spray nozzle 21 having a nozzle port 213 in the center of the front surface, and a pair of left and right bearing portions 22
In addition, a notch 23 is formed in the lower part, and a nozzle cover 24 that covers the nozzle port 213 is disposed in front of the nozzle port 213,
A base end 241 of the nozzle cover 24 is pivotally mounted on the bearing 22 of the spray nozzle 21 so as to be openable and closable. And an engaging projection 25 for detachably engaging the engaging end 245 and the notch 23 with each other.
One nozzle cover support means 25 by 1 and locking small hole 252
And a structure in which the back of the bearing portion 22 is deeply recessed, and the nozzle cover 24 is opened and rotated and inserted into the deep recess in a backward state, and the other nozzle cover supporting means 26 is used in this structure. A sprayer characterized by comprising: