KR20110113249A - Residual gas discharge and lockable injection device and injection container having the same - Google Patents

Abstract

The present invention is to lock the sliding means of the injection button in a state in which the nozzle assembly is pressed to discharge the residual gas remaining in the housing to the outside, and to selectively lock the pressing operation of the injection button for the injection of the contents A plurality of injection button provides an injection device and the injection container having the same interlocked with each other.

Description

Residual gas discharge and lockable injection device and injection container with same {SPRAYING APPARATUS HAVING A FUNCTION OF DISCHARGING REMAINED GAS AND LOCKING, AND SPRYAING CAN HAVING THE SAME}

The present invention relates to an injection device having a means for discharging residual gas and a means for preventing injection, and an injection container having the same.

In general, the injection container is filled with the contents to be injected (fluid or gas) inside the housing and sealed with the injection gas (propellant or propellant gas), so that the contents can be injected to the outside using the pressure of the injection gas. Say courage to do.

Freon, carbon dioxide, nitrogen and oxygen, and the like gas is usually used, and typical examples of such injection vessels include portable gas containers, spray mosquito repellent, hair spray, portable aerosol fire extinguishers, containers for gas lighters, and the like.

In general, the spray container is provided with a spray button, the user presses the spray button the contents are sprayed through the nozzle. The injection button is disposed to be exposed to the outside of the housing for easy operation of the user, which may cause a malfunction of the injection button. In addition, it is preferable to forcibly remove the remaining contents (and high-pressure gas) due to the risk of explosion, etc., and recently, due to structural and functional improvement of the injection vessel, the contents remain when the contents are almost exhausted. Apparatuses for spraying all of the contents have been considered.

Therefore, an injection apparatus capable of discharging residual gas with a simpler configuration and preventing malfunction with higher reliability can be considered.

One object of the present invention is to provide an injecting device for controlling the operation of the injecting button more simply to discharge the residual gas and an injecting vessel having the same.

In addition, another object of the present invention is to provide an injection device capable of both residual gas discharge and malfunction prevention and an injection container having the same.

An injection device according to an embodiment of the present invention for realizing the above object, the injection cap coupled to the housing in which the contents are accommodated and the operation groove is formed, and is accommodated in the operation groove and slidable along the operation groove A first spray button formed to be rotatable in the circumferential direction of the housing, a second spray button coupled to the first spray button to slide together with the first spray button by pressing, and to spray contents And an injection tube disposed at the inside of the second injection button so that at least a portion thereof faces outward and slides together with the first injection button and is configured to press the nozzle assembly by sliding. The nozzle assembly is formed to discharge the contents from the housing to the injection tube by pressure. The first injection button slides between a first state in which the nozzle assembly is pressed and a second state in which the nozzle assembly is not pressed, and is formed to be caught by any part of the injection cap in the first state by rotation. .

As an example related to the present invention, the first injection button is mounted on the injection cap so as to be rotatable in both directions opposite to each other, and is caught by any part of the injection cap in the first state by rotation in one direction. , By the rotation in the other direction is formed to be caught on the other part of the injection cap in the second state.

As another example related to the present invention, the first injection button includes a body portion, a recess portion, and a seating portion. The body portion forms an outer appearance of the first injection button and has a cylindrical shape. A recess is recessed at one end of the body portion, and the second injection button is inserted into the recess portion. A seating portion is formed adjacent to the opening of the recess portion, and protrudes from the inner circumference of the recess portion so that the second injection button is seated. A button protrusion protrudes from an outer surface of the second injection button, and a button guide groove is formed in the recess to extend the sliding direction of the second injection button.

As another example related to the present invention, the recess is provided with a button locking groove that intersects the button guide groove. The button projection is inserted into the button locking groove by the rotation of the first injection button to limit the sliding of the second injection button. The button locking grooves extend in opposite directions with respect to the button guide grooves so that the button protrusions are inserted according to bidirectional rotation of the first injection button.

As another example related to the present invention, a protrusion protrudes from an inner surface of the operation groove, a guide groove is inserted into an outer surface of the first injection button and guides sliding of the first injection button, and the first When the injection button is rotated, the engaging groove is formed to cross the guide groove so that the projection is inserted. The locking groove may include first and second locking grooves spaced apart from each other along the guide groove. The protrusion is inserted into the first locking groove by the rotation in the one direction in the first state, and is inserted into the second locking groove by the rotation in the other direction in the second state.

In another aspect, the present invention discloses a spray container having the spray device. The spray container includes a housing having an inner space for accommodating contents, a nozzle assembly at least partially disposed in the inner space and discharging the contents of the housing by pressurization, an injection cap mounted to the housing, and the nozzle. And an injection device having an injection pipe communicating with the assembly, a second injection button for receiving the injection pipe, and a first injection button with the second injection button embedded therein. The first and second injection buttons are made to slide along the operation groove of the injection cap between a first state in which the nozzle assembly is pressurized and a second state in which the nozzle assembly is not pressurized, and discharge of residual gas is possible. The first injection button is formed to be caught by any part of the injection cap in the first state by the rotation.

The injection device according to the present invention configured as described above simply implements a mechanism for discharging residual gas through injection buttons that are rotatable relative to each other. According to the present invention, no additional parts or tools for forced ejection are required. The use of relative rotation also prevents residual gas discharge mechanisms from operating independently of the user's intent.

In addition, the present invention implements a locking mechanism and a residual gas discharge mechanism for the injection operation through the injection buttons superimposed on each other. In addition, a more compact injection device can be designed.

1 is a longitudinal cross-sectional view of a spray container according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of the injector of Figure 1;
3 is a bottom view of the injection cap of FIG.
4A, 4B, and 4C are side, bottom, and cross-sectional views, respectively, of the first spray button of FIG.
5A and 5B are side and bottom views, respectively, of the second injection button of FIG. 2.
6 is a conceptual diagram showing the operation of the injector of FIG.
7A to 7C are conceptual views showing the operation of the locking mechanism and the residual gas discharge mechanism, respectively.

Hereinafter, an injection apparatus according to a preferred embodiment of the present invention and an injection container having the same will be described in detail with reference to the accompanying drawings. In the present specification, the same or similar reference numerals are assigned to the same or similar configurations in different embodiments, and the description thereof is replaced with the first description. As used herein, the singular forms "a", "an" and "the" include plural forms unless the context clearly indicates otherwise.

1 is a longitudinal cross-sectional view of a spray container 100 according to an embodiment of the present invention.

Referring to this drawing, the injection container 100 includes a housing 110, a nozzle assembly 120, and an injection device 130.

The housing 110 is formed to have an internal space S in which the contents and the injection gas are accommodated. The contents can be, for example, a fluid or a gas.

The housing 110 includes lower and upper sealing caps 112 and 113 for sealing both ends of the body 111, respectively. The lower sealing cap 112 may have a curved shape toward the inner space S to be deformed to enlarge the volume of the inner space S when a certain level of overpressure is applied to the inner space S. . The support member 114 for supporting the nozzle assembly 120 is coupled to the upper sealing cap 113.

The nozzle assembly 120 is at least partially disposed in the internal space S, is formed to seal the housing 110, and is configured to discharge the contents of the housing 110 by pressing. Specifically, the nozzle assembly 120 is installed in the support member 114 with one end disposed in the inner space S and the other end exposed to the outside of the housing 110, and the user presses the inner space during the user's pressing operation. Contents filled in (S) is formed to be introduced into one end and discharged through the other end.

Injector 130 is connected to the nozzle assembly 120 is made to inject the contents of the housing 110 to the outside. The injection device 130 includes an injection cap 131, an injection pipe 132, a first injection button 133, and a second injection button 134.

Injection cap 131 is mounted to the upper sealing cap 113, the injection pipe 132 is in communication with the nozzle assembly 120. The injection pipe 132 is formed to inject the contents from the housing 110 and to the outside when the second injection button 134 slides. The nozzle assembly 120 is formed to discharge the contents of the housing 110 from the housing 110 to the injection pipe 132 by pressure.

More specifically, the injection pipe 132 is disposed inside the second injection button 134 so that at least a portion of the injection pipe 132 is directed toward the outside and slides together with the first injection button 133. The injection cap 131 is provided with an operation groove 135, and when the first and second injection buttons 133 and 134 slide along the operation groove 135 of the injection cap 131, the injection pipe 132 is The nozzle assembly 120 is pressed and the contents of the housing 110 are sprayed to the outside through the nozzle assembly 120.

The first injection button 133 slides between a first state in which the nozzle assembly is pressed and a second state in which the nozzle assembly is not pressed, and any part of the injection cap 131 in the first state by rotation. It is formed to hang on. That is, the injection device 130 is provided with a residual gas discharge mechanism for controlling the operation of the injection button to discharge the residual gas. In addition, the injection mechanism 130, the locking mechanism for the injection operation is made so that the first injection button 133 is caught on at least part of the injection cap 131 by rotation to limit the sliding of the second injection button 134 It may be provided.

The residual gas discharge mechanism and the locking mechanism may be implemented by components associated with each other, which is called the discharge and locking mechanism 140 (see FIG. 2). However, the present invention is not necessarily limited thereto. For example, the injection device of the present invention may have a residual gas discharge mechanism and a locking mechanism separately.

The discharge and lock mechanism 140 is implemented by a plurality of elements formed in the injection cap 131, the first injection button 133, and the second injection button 134. These configurations will be described below.

2 is an exploded perspective view of the injector 130 of FIG. 1, FIG. 3 is a bottom view of the injector cap 131 of FIG. 2, and FIGS. 4A, 4B and 4C are respectively shown in FIG. 133 is a side view, a bottom view, and a sectional view, and FIGS. 5A and 5B are a side view and a bottom view of the second injection button 134 of FIG. 2, respectively.

Referring to the drawings, the first injection button 133 is mounted to the injection cap 131 to be slidable. More specifically, the first injection button 133 is accommodated in the operation groove 135, slidable along the operation groove 135 by the pressing operation, and rotatable in the circumferential direction of the housing 110 (see FIG. 1). It is formed to. The second injection button 134 is coupled to the first injection button 133 to slide together with the first injection button 133 by the pressing operation.

The first spray button 133 may include a body portion 133a, a recess portion 133b, and a seating portion 133c.

Body portion 133a forms the appearance of the first injection button 133 and is made of a cylindrical shape. The body portion 133a has a size corresponding to the inner circumference of the operation groove 135. Guide portion 133d protruding along the outer circumference of the body portion 133a is formed on the outer circumference of the body portion 133a, and an operating groove guide for guiding sliding of the guide portion 133d on the inner circumference of the operation groove 135 ( 136, see FIG. 1). The body portion 133a is provided with an injection hole 137 penetrating the body portion 133a, and an opening of the injection tube 132 (see FIG. 1) is disposed in the injection hole 137.

The recess 133b is recessed at one end of the body 133a so that the second injection button 134 is inserted. The mounting portion 133c is formed adjacent to the opening of the recess 133b and protrudes from the inner circumference of the recess 133b so that the second injection button 134 is seated.

The second injection button 134 in which the injection pipe 132 is built has a corresponding appearance of the recess 133b. The second spray button 134 is accommodated in the recess 133b and seated on the seating portion 133c, and slides together with the first spray button 133 by a user's pressing operation.

Referring to the drawings, the first injection button 133 is made to rotate relative to the second injection button 134 and the operation groove 135, respectively. However, the present invention is not necessarily limited thereto, and the second injection button 134 may be mounted to the seating part 133c to rotate together with the first injection button 133.

More specifically, the first injection button 133 is mounted to the injection cap 131 so as to be rotatable in both directions opposite to each other. In addition, the first injection button 133 is caught by any part of the injection cap 131 in the first state by the rotation in one direction, the other injection portion of the injection cap 131 in the second state by the rotation in the other direction It is formed to hang. That is, the discharge and lock mechanism 140 is operated by the relative rotation of the first injection button 133.

The discharge and lock mechanism 140 operates the first and second injection buttons 133 and 134 together when there is no rotation of the first injection button 133, and the first injection button when the first injection button 133 is rotated. And to limit the movement of 133. When the movement of the first injection button 133 is limited, the second injection button 134 accommodated in the first injection button 133 is also restrained.

The ejection and locking mechanism 140 includes button protrusions 141a and 141b and button guide grooves 142a and 142b.

The button protrusions 141a and 141b protrude from the outer surface of the second injection button 134, and the button guide grooves 142a and 142b extend in the sliding direction of the second injection button 134. Is formed. The button protrusions 141a and 141b are inserted into the button guide grooves 142a and 142b, and the button guide grooves 142a and 142b may be inserted into the first injection button 133 through the button guide grooves 142a and 142b. When you do, you will act as a guide.

Referring to FIG. 5B, the button protrusions 141a and 141b are provided in plurality so as to be spaced apart from each other along the outer circumference of the second injection button 134 (that is, the circumferential direction of the operation groove 135), and FIGS. 4A and 4C. Referring to FIG. 2, the button guide grooves 142a and 142b are provided in plural along the inner circumference of the first injection button 133 to correspond to the button protrusions 141a and 141b.

The injection hole 137 is disposed to expose the opening of the injection pipe 132 to the outside when the plurality of button protrusions 141a and 141b are inserted into the plurality of button guide grooves 142a and 142b, respectively. This may be implemented by, for example, varying the sizes of the button protrusions 141a and 141b or adjusting the separation distance or the separation angle between the button protrusions 141a and 141b.

Button recesses 143a and 143b are formed in the recess 133b to cross the button guide grooves 142a and 142b. The button protrusions 141a and 141b are inserted into the button locking grooves 143a and 143b by the rotation of the first injection button 133 to limit the sliding of the second injection button 134. When the button protrusions 141a and 141b are inserted into the button locking grooves 143a and 143b, the second injection button 134 is constrained to the first injection button 133 to operate separately from the first injection button 133. It becomes impossible.

The button locking grooves 143a and 143b extend in opposite directions with respect to the button guide grooves 142a and 142b so that the button protrusions 141a and 141b are inserted in accordance with bidirectional rotation of the first injection button 133. . For example, the button locking grooves 143a and 143b are formed in both directions perpendicular to the button guide grooves 142a and 142b at the ends of the button guide grooves 142a and 142b.

Referring to the drawings, the first injection button 133 is constrained to the injection cap 131 by rotation. Protrusions 144a and 144b and guide grooves 145a and 145b are formed in the discharge and locking mechanism 140 to restrain the first injection button 133.

Referring to FIG. 3, the protrusions 144a and 144b are provided in the injection cap 131 and protrude from the inner surface of the operation groove 135. The protrusions 144a and 144b are formed in plural, and the plurality of protrusions 144a and 144b are formed to have different sizes.

4A and 4C, guide grooves 145a and 145b and locking grooves 146a, 146b, 147a and 147b are formed on the outer surface of the first injection button 133, respectively.

The protrusions 144a and 144b are inserted into the guide grooves 145a and 145b to guide the sliding of the first injection button 133. The guide grooves 145a and 145b extend along the sliding direction of the first injection button 133, and the locking grooves 146a, 146b, 147a and 147b are protrusions 144a and 144b when the first injection button 133 rotates. ) Is formed in a direction crossing the guide grooves 145a and 145b.

3 and 4A to 4C, a plurality of guide grooves 145a and 145b are formed, and the plurality of guide grooves 145a and 145b have different widths so as to correspond to the plurality of protrusions 144a and 144b. Is done. Since the plurality of protrusions 144a and 144b have different sizes and the plurality of guide grooves 145a and 145b correspond thereto, the second injection button 134 is always inserted into the first injection button 133 at the same position. do. However, the present invention is not limited thereto. For example, as the plurality of protrusions 144a and 144b are disposed such that an angle at which the protrusions 144a and 144b are spaced along the circumference of the working groove is an acute angle, the second injection button 134 is always present. It may be combined with the first injection button 133 to the same position.

When the first injection button 133 rotates to limit the sliding of the protrusions 144a and 144b, the protrusions 144a and 144b are inserted into the locking grooves 146a, 146b, 147a and 147b. Through this, the first injection button 133 is constrained to the injection cap 131 so that sliding is impossible, and the first and second injection buttons 133 and 134 are maintained at a fixed position even when the user presses.

As shown, a portion where the guide grooves 145a and 145b and the locking grooves 147a and 147b meet may be narrower than the width of the locking grooves 147a and 147b. For example, projections protruding in the direction intersecting the insertion direction of the projections 144a and 144b may be formed in the locking grooves 147a and 147b. Through this, the projections 144a and 144b are inserted into the locking grooves 147a and 147b when a rotation force of a predetermined size or more is applied to the first injection button 133.

Referring to the drawings, the guide grooves 145a and 145b are formed of through holes, and the protrusions 144a and 144b pass through the guide grooves 145a and 145b.

5A and 5B, the second injection button 134 is provided with button grooves 148a and 148b into which protrusions 144a and 144b penetrating the guide grooves 145a and 145b are inserted. The button grooves 148a and 148b extend in the same direction as the guide grooves 145a and 145b to guide the sliding of the second injection button 134 on the outer surface of the second injection button 134.

According to the drawing, the locking grooves 146a, 146b, 147a, and 147b include first locking grooves 146a and 146b and second locking grooves 147a and 147b which are spaced apart from each other along the guide groove.

The first locking grooves 146a and 146b are disposed farther from the housing than the second locking grooves 147a and 147b, and the protrusions 144a and 144b are rotated in one direction in the first state so that the first locking grooves 146a and 146b are rotated in one direction. 146a and 146b, and are inserted into the second locking grooves 147a and 147b by rotation in the other direction in the second state. Through this, the discharge and locking mechanism 140 discharges the residual gas or locks the button operation according to the rotation direction.

Hereinafter, operations of the ejection buttons 133 and 134 and the ejection and locking mechanism 140 will be described. FIG. 6 is a conceptual diagram illustrating an operation of the injector 130 of FIG. 1 during an injection operation, and FIGS. 7A to 7C are conceptual views illustrating an operation of the discharge and locking mechanism 140, respectively.

Referring to FIG. 6, when the user presses the first injection button 133, the guide part 133d of the first injection button 133 moves along the operation groove guide 136 of the injection cap 131. At this time, the second injection button 134 accommodated in the first injection button 133 is moved together. In addition, the protrusions 144a and 144b slide along the guide grooves 145a and 145b and the button grooves 148a and 148b, and the injection pipe 132 mounted to the second injection button 134 is connected to the nozzle assembly 120. 1 to 5B) is pressed (first state).

7A and 7B illustrate a second state in which the nozzle assembly 120 is not pressurized. More specifically, FIG. 7A illustrates an unlocking state before the first and second injection buttons 133 and 134 are locked. 7B illustrates the locking state, when the first injection button 133 is rotated in the unlocking state, the protrusions 144a and 144b are inserted into the second locking grooves 147a and 147b, and the button locking groove 143a. And 143b, the button protrusions 141a and 141b are inserted.

As such, when the locking operation, the first injection button 133 rotates relative to the second injection button 134 and the injection cap 131, and the injection buttons 133 and 134 for the pressing operation are rotated by the relative rotation. Since the sliding is limited, a locking mechanism can be implemented that is easy to spray operation, locking and unlocking.

Further, even if the second spray button 134 rotates with the first spray button 133, the locking mechanism is operated. In this case, the button protrusions 141a and 141b rotate together with the button locking grooves 143a and 143b so that the button protrusions 141a and 141b are not caught by the button locking grooves 143a and 143b. However, since the protrusions 144a and 144b provided in the injection cap 131 do not rotate, the protrusions 144a and 144b are inserted into the second locking grooves 147a and 147b and are locked.

7C illustrates an operation of discharging residual gas in the second state in which the nozzle assembly 120 is pressurized. When the first injection button 133 is pressed, the protrusions 144a and 144b provided in the injection cap 131 slide along the guide grooves 145a and 145b. When the first injection button 133 is rotated in the second direction in a direction opposite to that of the locking mechanism, the protrusions 144a and 144b are inserted into the first locking grooves 146a and 146b. Since the button locking grooves 143a and 143b are formed in both directions at the ends of the guide grooves 142a and 142b, the button protrusions 141a and 141b are rotated by the first injection button 133 so that the button locking grooves 143a. , 143b). The nozzle assembly 120 exerts a restoring force on the first injection button 133, but as the protrusions 144a and 144b are caught in the first catching grooves 146a and 146b, the nozzle assembly 120 is in the second state. Will be maintained. Through this, the residual gas discharge mechanism may discharge the residual gas in the housing 110 (see FIG. 1).

As such, a locking mechanism for the injection operation and a residual gas discharge mechanism are implemented together with the injection cap, the first and second injection buttons, and the components provided therein, thereby making the operation reliability higher and more compact. The injection device can be designed.

Such a spray device and a spray container having the same are not limited to the configuration and operation of the embodiments described above. The embodiments may be configured so that all or some of the embodiments may be selectively combined so that various modifications may be made.

Claims (8)

An injection cap coupled to a housing in which contents are received and having an operation groove formed therein;
A first injection button accommodated in the operation groove and formed to be slidable along the operation groove, the first injection button being rotatable in the circumferential direction of the housing;
A second ejection button coupled to the first ejection button to slide together with the first ejection button by a pressing operation; And
At least a portion to the outside to spray the contents, and disposed inside the second injection button to slide together with the first injection button, and comprises a spray pipe formed to press the nozzle assembly by sliding,
The nozzle assembly is formed to discharge the contents from the housing to the injection pipe by pressing,
The first injection button slides between a first state in which the nozzle assembly is pressed and a second state in which the nozzle assembly is not pressed, and is formed to be caught by any part of the injection cap in the first state by rotation. Injector, characterized in that. The method of claim 1,
The first injection button is mounted to the injection cap so as to be rotatable in both directions opposite to each other, and is caught by any part of the injection cap in the first state by the rotation in one direction, the rotation by the other direction Injector, characterized in that to be caught in another part of the injection cap in the second state. The method of claim 2,
The first injection button
A body part forming an outer appearance of the first injection button and having a cylindrical shape;
A recess part recessed at one end of the body part and into which the second injection button is inserted; And
It is formed adjacent to the opening of the recess, and includes a seating portion protruding from the inner circumference of the recess so that the second injection button is seated,
Button protrusions protrude from the outer surface of the second injection button,
And a button guide groove formed in the recess to extend the button protrusion and extend in the sliding direction of the second injection button. The method of claim 3,
The recessed part is formed with a button locking groove which intersects the button guide groove so as to limit sliding of the second injection button, and the button protrusion is inserted by the rotation of the first injection button. . The method of claim 4, wherein
The button locking groove is injector, characterized in that extending in the opposite direction with respect to the button guide groove so that the button projection is inserted respectively according to the bi-directional rotation of the first injection button. The method of claim 2,
Projections protrude from the inner surface of the working groove,
The protrusion is inserted into the outer surface of the first injection button and a guide groove for guiding the sliding of the first injection button, and a locking groove intersecting with the guide groove so that the protrusion is inserted when the first injection button is rotated. Injector, characterized in that. The method of claim 6,
The locking groove includes first and second locking grooves spaced apart from each other along the guide groove,
The projection is inserted into the first locking groove by the rotation in the one direction in the first state, the injection device characterized in that inserted into the second locking groove by the rotation in the other direction in the second state. . A housing having an inner space in which contents are received;
A nozzle assembly at least partially disposed in the inner space and discharging contents of the housing by pressing; And
An injection cap mounted to the housing, an injection pipe communicating with the nozzle assembly, a second injection button for receiving the injection pipe, and a first injection button having the second injection button embedded therein; Including the injection device according to any one of claims 7 to 7,
The first and second injection button is made to slide along the operation groove of the injection cap between a first state in which the nozzle assembly is pressed and a second state in which the nozzle assembly is not pressed,
The first injection button is formed so as to be caught to any part of the injection cap in the first state by the rotation to enable the discharge of the residual gas.

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