KR101098278B1 - Aerosol can mounting valve for relieving over-pressure and valve assembly thereof - Google Patents

Abstract

PURPOSE: A spraying container including an overpressure prevention valve, and a valve assembly thereof are provided to offer the improved assembly reliability of the valve assembly and the overpressure prevention valve. CONSTITUTION: A spraying container comprises the following: a mount cup combining with a housing of the spraying container, and including a through-hole and a discharging hole; a hollow unit connected to the storage space of the housing; a vertical installation unit(220a) mounted on the mount cup; and a stem housing including a horizontal extension unit(220b) curved from the vertical installation unit toward the side of the housing.

Description

A spray container equipped with an overpressure valve and its valve assembly {AEROSOL CAN MOUNTING VALVE FOR RELIEVING OVER-PRESSURE AND VALVE ASSEMBLY THEREOF}

The present invention relates to an overpressure release mechanism formed in the injection vessel so as to solve the overpressure state and an injection vessel having the same.

In general, the injection container refers to a container that allows the content to be injected to the outside using an internal pressure while the content to be injected (fluid or gas) is sealed in the housing. Representative examples of such injection containers include portable gas containers, spray mosquito repellents, hair sprays, portable aerosol fire extinguishers, containers for gas lighters, and the like.

In general, the spray container is in the form of a container housing (can) for containing the contents and the mount cup is fixed to the top of the housing and the valve assembly is fixed to the central projection of the mount cup. The valve assembly maintains hermetic seal when not in use and allows the contents to leak only when used.

During use or storage, the injection vessel may reach an overpressure state for thermal, mechanical or chemical reasons, and the valve assembly may discharge a certain amount of contents or be sealed, so that the injection vessel may malfunction (expand or deform) under such an overpressure. This happens. Accordingly, Korean Patent Application No. 10-2011-0007471 discloses a method for resolving overpressure before malfunction occurs due to overpressure in an injection container using an overpressure preventing valve. Furthermore, the present invention proposes a method for improving such an overpressure valve structure.

The present invention is to provide a mechanism for more simply combining the overpressure check valve with the valve assembly while ensuring safety.

In addition, the present invention is to improve the assembly reliability of the overpressure check valve and valve assembly by improving the assembly structure of the overpressure check valve and the valve assembly fixed to the mount cup.

In order to achieve the above object of the present invention, the injection vessel according to an embodiment of the present invention, having a through hole formed in the center portion and the outlet is spaced apart from the through hole is coupled to the housing of the injection vessel A mount cup, a hollow portion communicating with the receiving space of the housing, a vertical installation portion extending in the longitudinal direction of the housing and mounted on the mount cup and a horizontal extension portion bent from the vertical installation portion toward the side of the housing; A valve stem having a stem housing provided therein, and an orifice formed to penetrate the through hole and slidably disposed in the hollow portion and selectively communicating with the hollow portion by the sliding, and preventing overpressure in the accommodation space. And an overpressure preventing valve part, wherein the overpressure preventing valve part includes the hollow part. And a body having a flow path connecting the discharge port and an opening and closing module disposed on the flow path and opened and closed by the pressure of the accommodation space, and the vertical mounting part in the body such that a relative position of the body and the vertical installation part is set. And a positioning part protruding toward and surrounding at least a portion of the vertical installation part, and a fixing part disposed between the body and the horizontal extension part to fix the body.

According to an example related to the present invention, the body has a first flow passage communicating with the hollow portion and is formed in parallel with the horizontal extension portion, and a second passage leading to the discharge opening in the first flow passage. And a second body protruding in a direction parallel to the vertical installation portion in the first body, wherein the positioning portion is in a direction parallel to the first body at the boundary of the first and second bodies. Protrudes.

According to another example related to the present invention, the fixing part includes a wedge fitted between the first body and the horizontal extension part.

According to another example related to the present invention, the fixing part may protrude toward the horizontal extension part from the body and may be fastened to the horizontal extension part.

The present invention also provides a valve assembly mounted to a mount cup fixed to the upper end of the housing, the hollow portion communicating with the receiving space of the housing and extending in the longitudinal direction of the housing and the mount cup A stem housing having a vertical mounting portion to be mounted and a horizontal extension portion bent from the vertical mounting portion to face the side of the housing, the stem housing is arranged to be slidable in the hollow portion, and selectively communicates with the hollow portion by the sliding. A valve stem having an orifice, and an overpressure prevention valve part connected to an outlet of the mount cup to prevent overpressure in the accommodation space, wherein the overpressure prevention valve part includes a flow path connecting the hollow portion and the discharge port and the flow path. Open and close on and open by the pressure of the receiving space A body having a module, a positioning portion protruding from the body toward the vertical mounting portion so as to set a relative position of the body and the vertical mounting portion, and surrounding the at least a portion of the vertical mounting portion, and the body and the horizontal portion Disclosed is a valve assembly of an injection vessel comprising a fixing portion disposed between the extensions to secure the body.

According to the injection container and its valve assembly according to the present invention, by setting the position of the overpressure preventing valve portion using the positioning portion surrounding the stem housing, it is possible to tighten at the same time as the positioning. Through this, the combination of the valve assembly and the overpressure preventing valve part can be made simpler.

In addition, the present invention, through the fixing portion disposed between the body and the stem housing of the overpressure prevention valve portion, a simple structure or safety can be secured.

In addition, according to the present invention, since the fixing portion is formed as a wedge, coupling and separation of the overpressure preventing valve portion can be made more easily. According to this, a problem can be solved at low cost by replacing only the overpressure preventing valve part when a defect occurs.

In addition, the present invention implements the coupling mechanism with improved assembly reliability as the fixed portion guides the sliding of the overpressure check valve portion.

1 is a longitudinal cross-sectional view of a container according to an embodiment of the present invention.
2 is an enlarged cross-sectional view of the valve assembly of FIG.
3 is a longitudinal cross-sectional view for explaining a state in which the contents are injected in the container of FIG.
4 is a cross-sectional view illustrating operation of the overpressure release mechanism inside the container of FIG. 1.
5A and 5B are front and exploded perspective views of the overpressure preventing valve part of FIG. 4, respectively.
6A to 6C are cross-sectional views, side views, and perspective views, respectively, showing another embodiment of the present invention.
7A to 7C are cross-sectional views, side views, and perspective views, respectively, showing yet another embodiment of the present invention.
8A to 8C are cross-sectional, side and perspective views, respectively, showing yet another embodiment of the present invention.

Hereinafter, a spray container and a valve assembly thereof according to a preferred embodiment of the present invention 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 container according to one embodiment of the invention, and FIG. 2 is an enlarged cross-sectional view of the valve assembly 200 of FIG.

Referring to this figure, the injection container 100 includes a housing 110 and a valve assembly 200.

The housing 110 is formed to have an accommodation 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 a body 111 in which a receiving space S is formed, and lower and upper sealing caps 112 and 113 sealing both ends of the body 111, respectively. The lower sealing cap 112 may have a curved shape toward the accommodation space S in order to be deformed to enlarge the volume of the accommodation space S when a certain level of overpressure is applied to the accommodation space S. .

The container body 111 may contain a high-pressure gas or liquid fuel, and may be formed in a shape such as a metal can that can withstand a certain internal pressure. However, the present invention is not necessarily limited thereto, and pesticides, fragrances, beauty agents, and the like may be accommodated in the container body 111.

According to the illustration, the top of the upper sealing cap 113, the mount cup 120 for supporting the valve assembly 200 is coupled.

The mount cup 120 includes a locking portion 121 to be mounted to a fuel mounting device such as a gas stove, for example, and a protrusion 122 to fix the valve assembly 200 at the center thereof. Is provided. However, the locking portion 121 may not be present or may be formed in a different form from those of the drawings (when a solvent or pesticide is contained, a cap having a push button for injection may be mounted). .

The valve assembly 200 is installed in the mount cup 120 with one end disposed in the accommodation space S and the other end exposed to the outside of the housing 110, and filled in the accommodation space S by pressing. Spray the contents to the outside.

More specifically, a through hole is formed in a central portion of the upper end of the protrusion 122 of the mount cup 120, and a part of the valve stem 210 constituting the valve assembly 200 penetrates the through hole to the outside. Exposed The valve stem 210 is installed to be pressed in the vertical direction, and the contents of the receiving space S are injected by the pressing, and the injection of the contents is stopped when the pressing is released.

Referring to FIG. 2, the locking protrusion 123 protrudes from the inner side surface of the protrusion 122. The locking protrusion 123 may be formed by reducing the cross section by clamping the outer surface of the mount cup 120.

The stem housing 220 is fixed to the locking protrusion 123. Stem housing 220 is made so that at least a part of the hook projection 123.

For example, a circumferential groove 221 is formed on the outer circumferential surface of the stem housing 220, and the stem housing 220 is mounted by deforming the locking protrusion 123 of the protrusion 122 toward the circumferential groove 221. It is fixed to the protrusion 122 of the cup 120.

The inside of the stem housing 220 is a hollow portion 222 is formed in communication with the receiving space (S) of the housing 110, the valve stem 210 is arranged to be slidable to the hollow portion 222.

Hereinafter, the operation of the valve assembly 200 will be described in more detail with reference to FIG. 3. 3 is a longitudinal cross-sectional view for explaining a state in which the contents are injected in the container of FIG.

Referring to the drawings, the stem housing 220 is bent toward the side of the housing 110 and the vertical installation portion 220a extending in the longitudinal direction of the stem housing 220, the horizontal extension portion 220b It includes. The vertical installation portion 220a may be a portion for opening and closing the valve stem 210, and the horizontal extension portion 220b may be a portion for inflow of contents.

In the valve stem 210, an orifice 211 is formed to selectively communicate with a portion corresponding to the vertical installation portion 220a of the hollow portion 222 by sliding of the valve stem 210. A passage hole 212 is provided in the valve stem 210, and the orifice 211 is formed to extend from the passage hole 212 to the hollow portion 222.

According to the illustration, the opening and closing member 231 is disposed at the end of the stem housing 220. More specifically, the opening and closing member 231 is disposed between the upper inner surface of the protruding portion 122 and the stem housing 220, is elastically deformed to open and close the orifice 211 in conjunction with the sliding of the valve stem 210. .

When the valve stem 210 is slid by the pressure (F), the opening and closing member 231 is bent and elastically deformed and the hollow portion 222 of the stem housing 220 and the passage hole 212 of the valve stem 210 is The contents are sprayed while communicating with each other.

On the contrary, when the force holding the valve stem 210 is removed, the elastic deformation of the spring 232 supporting the lower end of the valve stem 210 is restored. As a result, the opening and closing member 231 is in close contact with the valve stem 210 to block the orifice 211, the outflow of gas is blocked.

The illustrated injection vessel 100 has an overpressure release mechanism, which will be described below in more detail with reference to FIGS. 4, 5A and 5B. 4 is a cross-sectional view illustrating the operation of the overpressure release mechanism inside the container of FIG. 1, and FIGS. 5A and 5B are enlarged cross-sectional views and perspective views, respectively, of the overpressure preventing valve part of FIG. 4.

Referring to the drawings, the injection vessel 100 mounted on a fuel mounting device such as a gas range is disposed in a lying state, the contents in the receiving space by the operation for a certain time exist in the form of two phases (two phase). That is, the upper side is a gas state and the lower side is a liquid state based on FIG. 4.

The injection container 100 includes an overpressure preventing valve part 250 formed to prevent overpressure in the accommodation space. The overpressure preventing valve part 250 is configured to discharge the contents of the gas state when the accommodation space S is in an overpressure state.

More specifically, the body 260, 270 of the overpressure check valve part 250 may have flow paths 261 and 271 connecting the accommodation space S and the outlet 124 to the flow paths 261 and 271. It is disposed and provided with an opening and closing module (M) opened and closed by the pressure of the receiving space (S).

According to the figure, the bodies 260 and 270 of the overpressure prevention valve part 250 are formed in a "L" shape by combining the first body 260 and the second body 270.

The first body 260 is disposed in the stem housing 220 in a first direction perpendicular to the sliding direction of the valve stem 210. For example, one end of the first body 260 faces the outer circumferential surface of the stem housing 220, and the other end thereof faces the side of the housing 110, and the horizontal extension portion 220b of the stem housing 220 is formed. Is formed in parallel with

A first flow path 261 is formed in the first body 260 to be opened into the accommodation space S of the housing. For example, the first body 260 is formed of a hollow tube, and the hollow portion formed along the first direction forms the first flow path 261.

In addition, the first body 260 is formed such that the opening faces the other end of the stem housing 220 (a portion in which the opening is formed) in the same direction. Through the above structure, gaseous contents may be discharged to the outside via the first flow path 261.

2, the second body 270 protrudes from the first body 260 in a second direction parallel to the sliding direction of the valve stem 210. More specifically, the second body 270 protrudes from the first body 260 in a direction parallel to the vertical mounting portion 270 of the stem housing 220.

A second flow path 271 (formed along the second direction) perpendicular to the first flow path 261 is provided in the second body 270. The mount cup 120 is formed with an outlet 124 spaced apart from the through hole of the protrusion 122, and the second flow path 271 extends from the first flow path 261 to the outlet 124.

When the overpressure is formed in the accommodation space (S) of the housing 110, the opening and closing module (M) is made to be switched to the open state in a state of blocking the first flow path 261 by the overpressure. That is, the opening and closing module M is formed to open and close the first flow path 261 by the elastic force applied in the first direction and the pressure of the accommodation space (S).

A sealing member 251 compressed in the second direction is disposed between the second body 270 and the outlet 124 so that the empty space of the second flow path 271 is sealed with the accommodation space S of the housing. . The sealing member 251 may be an o-ring of a circular cross section.

For example, a seating protrusion 275 on which the sealing member 251 is seated is formed on the outer circumferential surface of the second body 270. The mounting protrusion 275 forms a curved surface to allow the sealing member 251 to be seated on the outer circumferential surface of the second body 270.

According to the illustration, the overpressure preventing valve part 250 includes a positioning part 280 and a fixing part 290.

Positioning unit 280 is the body 260, 270 of the over-pressure check valve 250 and the relative position of the vertical mounting portion 220a of the stem housing 220 is set, the body 260, 270 in the It protrudes toward the vertical mounting portion 220a and is formed to surround at least a portion of the vertical mounting portion 220a.

More specifically, the positioning unit 280 protrudes in a direction parallel to the first body 260 at the boundary portions of the first and second bodies 260 and 270, and a fixed end is formed at the boundary portion. It is formed in a cantilever form. According to the illustration, the free end of the cantilever can be formed with a receiving groove 281 for receiving the vertical installation portion (220a).

In other words, the free end is divided into two parts in the form of a hook to form a plurality of locking portions 282, and the receiving grooves 281 are interposed between the plurality of locking portions 282. In addition, the positioning unit 280 is formed so that the engaging portions 282 can be moved away from each other or elastically. In addition, the locking parts 282 are configured to be caught by the outer circumferential surface of the vertical mounting part 220a when the positioning part moves in a direction away from the vertical mounting part 220a. As a result, the vertical mounting portion 220a is caught in a direction deviating from the receiving groove 281 while the vertical mounting portion 220a is accommodated in the receiving groove 281.

In addition, when the positioning unit 280 is coupled to the vertical installation unit 220a, the second flow path 271 of the second body 270 has a length facing the outlet 124. Through this, the relative position of the second body 270 with respect to the stem housing 220 is set.

According to the figure, the fixing part 290 is disposed between the first body 260 of the overpressure check valve part 250 and the horizontal extension part 220b of the stem housing 220 and the overpressure check valve part 250. It is made to fix. For example, the fixing part 290 may include a wedge 291 fitted between the first body 260 and the horizontal extension part 220b.

The wedge 291 is fitted in a state where the positioning unit 280 is coupled to the vertical installation unit 220a, through which the overpressure preventing valve unit 250 is parallel to the vertical installation unit 220a. It is fixed while moving to.

According to the figure, the interval between the first body 260 and the horizontal extension portion 220b is directed toward the vertical installation portion 220a so that the wedge 291 is fitted in the direction toward the vertical installation portion 220a. It is formed to narrow gradually. In this example, at least one of the first body 260 and the horizontal extension part 220b is configured such that at least a portion of the first body 260 and the horizontal extension part 220b becomes larger toward the vertical installation part 220a so that the gap becomes narrower. In the illustrated example, the first body 260 and the horizontal extension portion 220b are each provided with inclined protrusions 296a and 296b so as to sharply change the spacing at the portions facing each other, or the vertical installation portion 220a. It consists of a cone-shaped cross section that is larger in diameter.

The wedge 291 includes a first contact 292, a second contact 293 and a support 294. The first contact portion 292 forms an arc so as to correspond to the outer circumferential surface of the horizontal extension portion 220b and is formed in surface contact with the horizontal extension portion 220b. In addition, the second contact portion 293 forms an arc contacting the outer circumferential surface of the first body 260, and is formed in surface contact with the outer circumferential surface of the first body 260. According to the illustration, the first and second contact portions 292 are inclined with respect to the direction toward the vertical mounting portion 220a so as to correspond to the change in the distance between the first body 260 and the horizontal extension portion 220b, respectively. To be made.

The support 294 is formed to support the first and second contacts 292 and 293 between the first and second contacts 292 and 293, respectively. A stopper 295 may be formed on the outer circumferential surface of the first body 260 to adjust the amount of the wedge 291 is fitted. The stopper 295 is formed adjacent to a boundary portion of the first and second bodies 260 and 270, whereby the support portion 294 is disposed so that at least a portion thereof overlaps the vertical installation portion 220a. . Through this, the bending moment applied to the first body 260 can be reduced.

6A to 6C are cross-sectional views and perspective views, respectively, showing another embodiment of the present invention. Hereinafter, in the embodiments to be described, the description of the same or similar configuration as the embodiment shown with reference to FIGS. 4, 5A, and 5B will be replaced with the first description.

Referring to the drawings, the fixing part 390 protrudes from the first body 360 of the overpressure preventing valve part 350 toward the horizontal extension part 320b and is fastened to the horizontal extension part 320b. In this case, the fixing part 390 is fitted to at least a portion of the horizontal extension part 320b, through which the overpressure preventing valve part 350 may be firmly fixed.

In addition, a guide rail 320c is formed on an outer circumferential surface of the horizontal extension part 320b to which the fixing part 390 is slidably inserted. The fixing part 390 includes a guide protrusion 391 so as to correspond to the guide rail 320c. That is, the guide rail 320c and the guide protrusion 391 are combined together to form the fixing part 390.

A sliding bar 320c may be provided in the guide rail 320c along the sliding direction, and a sliding groove 391a into which the sliding bar 320c may be inserted may be formed in the guide protrusion 391. This allows more accurate positioning.

When the overpressure check valve unit 350 moves toward the vertical mounting unit 320a, the guide protrusion 391 slides along the guide rail 320c to guide the sliding of the overpressure check valve unit 350, and the vertical mounting unit As the 320a is inserted into the positioning unit 380, the fixing and the positioning are simultaneously performed. In this case, the guide rail 320c and the guide protrusion 391 may be narrowed in the direction toward the vertical mounting portion 320a, respectively (not shown), and may be formed to fit with each other during positioning.

7A to 7C are cross-sectional views, side views, and perspective views respectively showing another embodiment of the present invention, and FIGS. 8A to 8C are cross-sectional views, side views, and perspective views respectively showing yet another embodiment of the present invention.

Referring to the drawings, the fixing parts 490 and 590 have guide rings 491 and 591 formed in a ring shape, respectively.

In the embodiment shown in FIGS. 7A to 7C, one side of the guide ring 491 is formed in an open shape (ie, a cross section forms a semicircle), and ends facing each other in the opened portion (that is, both ends of the semicircle ring). ), The bent portion 492 is bent in a direction closer to each other.

On the outer circumferential surface of the horizontal extension part 320b, guide rails 420c for guiding the sliding of the bent portion 492 are provided on both sides of the outer circumferential surface, respectively.

In the embodiment illustrated in FIGS. 8A to 8C, the guide ring 591 is formed to completely surround the outer circumferential surface of the horizontal extension part 520b. More specifically. The horizontal extension part 520b is inserted into the guide ring 591, through which the sliding of the overpressure preventing valve part 550 is guided. In this case, in order to fit the guide ring 591 and the horizontal extension part 520b, the guide ring 591 may be formed such that the diameter of the hollow part becomes smaller as it moves away from the vertical installation part 520a.

According to an embodiment, the positioning unit 580 may have a groove 584 formed between the boundary portions of the first and second bodies and the engaging portions 582. As a result, when the positioning unit 580 is fitted to the vertical mounting unit 520a, deformation of the locking units 582 is made easier.

Such a spray container and its valve assembly are not limited to the configuration and manner of 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 (12)

A mount cup having a through hole formed at a center portion thereof, and a discharge hole spaced apart from the through hole, the mount cup coupled to the housing of the injection container;
A hollow portion communicating with a receiving space of the housing, a vertical installation portion extending in the longitudinal direction of the housing and mounted to the mount cup, and a horizontal extension portion bent from the vertical installation portion toward the side of the housing; Stem housing;
A valve stem formed through the through hole and slidably disposed in the hollow portion and having an orifice selectively communicating with the hollow portion by the sliding; And
It includes an overpressure preventing valve portion formed to prevent overpressure in the receiving space,
The overpressure prevention valve unit,
A body having a flow path connecting the hollow portion and the discharge port and an opening and closing module disposed on the flow path and opened and closed by pressure of the accommodation space;
A positioning unit protruding from the body toward the vertical mounting unit and surrounding at least a portion of the vertical mounting unit such that a relative position of the body and the vertical mounting unit is set; And
And a fixing part disposed between the body and the horizontal extension part to fix the body. The method of claim 1,
The body,
A first body having a first flow passage communicating with the hollow portion and formed in parallel with the horizontal extension portion; And
A second flow passage extending from the first flow passage to the discharge opening, and including a second body protruding from the first body in a direction parallel to the vertical installation portion;
And the positioning portion protrudes in a direction parallel to the first body at boundary portions of the first and second bodies. The method of claim 2,
The positioning portion is made of a cantilever shape in which a fixed end is formed at the boundary portion,
The free end of the cantilever injection container characterized in that the receiving groove for receiving the vertical installation portion is formed. The method of claim 3,
And the positioning unit is configured such that the vertical mounting portion is caught in a direction away from the receiving groove while the vertical mounting portion is accommodated in the receiving groove. The method of claim 2,
The fixed part is a spray container comprising a wedge fitted between the first body and the horizontal extension. The method of claim 5,
Injection container characterized in that the interval between the first body and the horizontal extension portion is gradually narrowed toward the vertical installation portion so that the wedge is fitted in the direction toward the vertical installation portion. The method of claim 6,
At least one of the first body and the horizontal extension portion is a spray container, characterized in that at least a portion of the diameter toward the vertical installation portion is increased so that the gap is gradually narrowed. The method of claim 5,
The wedge,
A first contact portion forming an arc so as to correspond to an outer circumferential surface of the horizontal extension portion;
A second contact portion forming an arc contacting an outer circumferential surface of the first body; And
And a support part formed to support the first and second contact parts, respectively, between the first and second contact parts. The method of claim 1,
The fixed part is a spray container, characterized in that protruding toward the horizontal extension from the body is fastened to the horizontal extension. 10. The method of claim 9,
The fixed part is a spray container, characterized in that fitting to at least a portion of the horizontal extension. 10. The method of claim 9,
Injection container, characterized in that the guide rail is formed to be slidably inserted into the outer peripheral surface of the horizontal extension. In the valve assembly mounted to the mount cup fixed to the top of the housing,
A hollow portion communicating with a receiving space of the housing, a vertical installation portion extending in the longitudinal direction of the housing and mounted to the mount cup, and a horizontal extension portion bent from the vertical installation portion toward the side of the housing; Stem housing;
A valve stem slidably disposed in the hollow portion, the valve stem having an orifice selectively communicating with the hollow portion by the sliding; And
And an overpressure preventing valve part connected to an outlet of the mount cup to prevent overpressure in the receiving space.
The overpressure prevention valve unit,
A body having a flow path connecting the hollow portion and the discharge port and an opening and closing module disposed on the flow path and opened and closed by pressure of the accommodation space;
A positioning unit protruding from the body toward the vertical mounting unit and surrounding at least a portion of the vertical mounting unit such that a relative position of the body and the vertical mounting unit is set; And
A valve assembly of the spray container comprising a fixing portion disposed between the body and the horizontal extension portion to secure the body.

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