KR100725338B1 - Roll type mosquito net rocking apparatus - Google Patents

Abstract

A roll type insect net locking apparatus is provided to allow an insect net to be installed and uninstalled by a simple lever operation. A roll type insect net locking apparatus includes a frame(1), a latch portion(2), a spring(4), and an insect net(6). The latch portion is formed at both sides of the frame. A housing(10) is mounted at a lower end of the insect net. An engagement projection is formed at a lower left end of an upper slide member. A lower slide member is disposed at a lower portion of the upper slide member. A cam member includes a cap for simultaneously sliding the upper slide member and the lower slide member in right and left directions. The spring returns the upper slide member and the lower slide member to an original position. A left projection bar is separated from the latch portion when the upper slide member is slid to the right direction. A right projection bar(60) is separated from the latch portion when the lower slide member is slid to the left direction. A lever(80) rotates the cam member.

Description

Roll type mosquito net rocking apparatus

1 is a view showing a conventional roll screen lock device.

2 and 3 is an exploded perspective view showing the structure of the roll-type insect screen according to the present invention.

4 and 5 are a perspective view showing the main parts of the roll-type insect screen locking device according to the present invention.

Figure 6a and Figure 6b is a side view showing the operating state of the roll screen insect lock device according to the present invention.

Figure 7a is a perspective view showing an upper slide member according to the present invention, Figure 7b is a perspective view showing a lower slide member according to the present invention.

8 is an exploded perspective view of the cam member and the lever according to the present invention.

9 is a cross-sectional view showing a state in which the cam member and the lever is coupled according to the present invention.

* Description of the symbols for the main parts of the drawings *

1: frame 2: hook

4: spring 5: winding roll

6: screen 10: housing

20: upper slide member 30: lower slide member

40: cam member 41: cam

50: left jam bar 60: right jam bar

70: spring 80: lever

The present invention relates to a roll screen lock device, and more particularly to a roll screen lock device to be locked or released for installation and removal of the roll screen screen.

Roll-type insect screen locking device is a device that allows the handle portion of the roll-type insect screen to be locked or unlocked at the bottom of the frame to install and remove the insect screen.

The driving method of the conventional roll screen lock device adopts a gear type using a rack and a gear or a pinion.

An example of a conventional roll-type insect net locking device adopting such a gear type has been disclosed in Korean Patent Laid-Open Publication No. 10-2005-0115197 (name of the invention: lock mechanism for mesh handle of a roller insect net), which is shown in Figure 1 Shown in

The locking device rotates having a pair of racks 110 and 120 that are elastically assembled to face each other at intervals so as to be elastically adjusted, and a pinion 131 formed to fit between the pair of racks 110 and 120. It is characterized in that it is configured as both sides of the locking member 140 is installed so that the length is connected to the rotary operation tool 130 and the pair of racks (110, 120) are installed to flow in the horizontal direction.

Accordingly, when the rotation operation tool 130 is rotated, the pinion 131 is rotated and the racks 110 and 120 are moved in opposite directions to move both locking members 140 to lock or unlock.

The locking device is the rack (110, 120) and the pinion 131 is meshed, so the structure is complicated and not easy to manufacture, the operation is not smooth, and the rack (110, 120) and the pinion (131) wear with each other according to frequent use Easy, there was a problem that a large noise occurs when the rack (110,120) moves. In addition, the racks 110 and 120 and the pinion 131 are easily separated from each other, causing frequent problems.

Another example of a conventional roll-type insect net locking device adopting a gear type has been disclosed Korean Utility Model Publication No. 20-0414802 (name of design: locking device of a roller insect net).

The locking device has the same operation structure as the above-described locking device, but has a configuration in which the locking member is rotated.

Since the locking device also uses the rack and pinion, the structure is complicated and not easy to manufacture, as in the above-described locking device, the operation is not smooth, and the rack and pinion are easily worn with each other according to frequent use. There was a problem that a loud noise is generated, and the rack and pinion are easily separated from each other, causing frequent failures.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide a roll type screen locking device that can be installed and removed by a simple lever operation, the structure is simple and easy to manufacture.

In addition, another object of the present invention is to provide a roll-type insect screen locking device is less noise, no fear of separation, smooth operation.

Further, another object of the present invention is to provide a roll-type insect screen locking device that is easy to install the insect screen without distinguishing the outside or the inside.

Roll screen insect lock device according to the present invention in order to achieve the above object is fixed to the window and the frame provided with a locking portion on both sides lower; A housing mounted at the bottom of the screen; An upper slide member embedded in the housing and having a coupling protrusion formed at a lower left side thereof, and a locking protrusion formed at a lower right side thereof; The lower part is embedded in the housing and positioned below the upper slide member, and at the left end, a separation prevention jaw is formed to prevent the upper slide member from being separated to the left side, a coupling protrusion is formed at the lower right side, and a lower protrusion is formed at the lower right side. A slide member; A cam positioned on the left side of the locking protrusion of the upper slide member and the right side of the locking protrusion of the lower slide member to rotate the slide to the left side of the upper slide member and the slide to the right side of the lower slide member by rotation. A cam member formed thereon; A spring coupled to each of the upper slide member and the lower slide member to return the upper slide member and the lower slide member to their original positions, the slides being respectively moved by rotation of the cam member; A left locking bar coupled to the engaging protrusion of the upper slide member and installed to the left to be locked by a locking portion of the frame and released from the locking portion when the slide is moved to the right side of the upper slide member; A right locking bar engaged with the engaging projection of the lower slide member and installed to the right to be locked by a locking portion of the frame and released from the locking portion when the slide is moved to the left side of the lower slide member; A lever coupled to the cam member to rotate the cam member; Characterized in that it comprises a.

In addition, the lower slide member of the present invention is a separation preventing projection is formed on the upper right of the release prevention jaw and a fastening ring is formed on the upper portion of the locking projection, the rectangular coupling groove in which the fastening ring is coupled to the upper portion of the upper slide member. Is provided, the left end of the upper slide member is in close contact with the release prevention jaw in the state before the cam member is rotated, the fastening ring is caught on the right end of the rectangular coupling groove, the release preventing projection and the fastening ring By the upper slide member and the lower slide member is characterized in that the coupling.

In addition, on the left side of the locking projection of the upper slide member and the right side of the locking projection of the lower slide member of the present invention, the cam member is accommodated to prevent the cam member from being separated from the front and rear, respectively, the separation prevention ribs are formed It is characterized by.

In addition, the cam member of the present invention is characterized in that it is formed to be symmetrical from the central axis.

In addition, the cam member of the present invention is characterized in that the inclined surface is engaged with the cam on the engaging projection of the upper slide member and the engaging projection of the lower slide member to enable rotation in one direction.

In addition, the lever of the present invention is composed of a fastening portion consisting of a two-windowed elasticity and the engaging portion formed in the groove shape extending from the fastening portion and the handle portion formed on one side of the engaging portion, the cam member is fastening the lever A fastening hole is formed to be fastened to the part, and the engaging protrusion part is engaged with the engaging part so as to rotate the cam member by the rotation of the lever is further provided, wherein the housing is formed with an insertion hole into which the fastening part of the lever is inserted It features.

In addition, the insertion hole of the housing of the present invention is formed on the front and rear of the housing, respectively, characterized in that the lever is coupled to the front or rear of the housing.

With reference to the accompanying drawings, a preferred embodiment of the roll-type insect screen locking device according to the present invention configured as described above will be described in detail.

2 and 3 is an exploded perspective view showing the structure of the roll-type insect screen according to the present invention, Figures 4 and 5 are views showing the main parts of the roll-type insect screen locking device according to the present invention, Figures 6a and 6b Fig. 7a is a perspective view showing an upper slide member according to the present invention, Fig. 7b is a perspective view showing a lower slide member according to the present invention, and Fig. 8 is a present invention. 9 is an exploded perspective view of the cam member and the lever according to the present invention, and FIG. 9 is a cross-sectional view showing a state in which the cam member and the lever according to the present invention are engaged.

As shown, the roll-type insect screen locking device according to the present invention is fixed to the window and the frame (1) having a locking portion (2) on both sides; A housing 10 mounted at the bottom of the insect screen 6; An upper slide member 20 having a coupling protrusion 21 formed at a lower left side thereof and a locking protrusion 22 formed at a lower right side thereof; A lower slide member 30 positioned below the upper slide member 20 and having a coupling protrusion 31 formed at a lower right side thereof, and a locking protrusion 32 formed at an upper right side thereof; The upper slide member 20 and the lower slide member 30 are positioned on the left side of the locking protrusion 22 of the upper slide member 20 and the right side of the locking protrusion 32 of the lower slide member 30. A cam member 40 having cams 41 formed thereon to slide at the same time to the left and the right; A spring 70 for returning the upper slide member 20 and the lower slide member 30 to their original positions; A left locking bar 50 which is released from the locking portion 2 when the slide moves to the right side of the upper slide member 20; A right locking bar 60 released from the locking portion 2 when the slide moves to the left side of the lower slide member 30; A lever (80) coupled to the cam member (40) to rotate the cam member (40); It consists of.

The frame 1 is fixed to a window (not shown) and is provided with a catching portion (2) at the bottom of both sides. On the upper portion of the frame 1 is provided a roll screen screen. The roll type insect screen uses a known one in which a winding roll 5 supported by a spring 4 is built up inside the housing 3. Insect screen 6 is wound or unwound on the take-up roll 5 is the installation and removal of the screen (6).

The left locking bar 50 and the right locking bar 60 is locked to the locking portion 2, respectively, and the locking screen 6 is installed, and the left locking bar 50 is moved to the right side of the left locking bar 50. By moving to the left side of the right locking bar 60 is released from the locking portion 2 is the insect screen 6 is removed.

The housing 10 is mounted at the bottom of the screen 6. The housing 10 is raised upward by the winding of the winding roll 5 by the elastic force of the spring (4) when the left locking bar 50 and the right locking bar 60 is released from the locking portion (2). Done. The upper slide member 20, the lower slide member 30, the cam member 40, the left locking bar 50, and the right locking bar 60 are provided inside the housing 10. It will be built.

The upper slide member 20 is embedded in the housing 10 and the engaging protrusion 21 is formed at the lower left side, and the locking protrusion 22 is formed at the lower right side. The left locking bar 50 is coupled to the lower portion of the coupling protrusion 21, and the cam member 40 is positioned on the left side of the locking protrusion 22. The cam 41 moves the locking protrusion 22 to the right by the rotation of the cam member 40 to move the upper slide member 20 to the right, and the coupling of the upper slide member 20 is performed. The left locking bar 50 coupled to the protrusion 21 is also moved to the right side.

At this time, the locking protrusion 22 of the upper slide member 20 is preferably formed with an inclined surface 22a engaging with the cam 41 so as to be able to rotate in one direction of the cam member 40. Rotation of the cam member 40 enables the cam 41 to rotate only in one direction, that is, in the right direction, and constrains rotation in the other direction, that is, in the left direction.

The lower slide member 30 is embedded in the housing 10 and positioned below the upper slide member 20, and at the left end thereof, a separation prevention barrier 33 for preventing the upper slide member 20 from being separated to the left side. ) Is formed and the engaging protrusion 31 is formed at the lower right side, and the engaging protrusion 32 is formed at the upper right side.

In addition, the lower slide member 30 is provided with a guide groove 35 so that the coupling protrusion 21 of the upper slide member 20 can be inserted and guided from side to side.

In addition, the right locking bar 60 is coupled to the lower portion of the engaging projection 31, the cam member 40 is located on the right side of the locking projection (32). Rotation of the cam member 40 causes the cam 41 to move the locking protrusion 32 to the left to move the lower slide member 30 to the left, and the coupling of the lower slide member 30. The right locking bar 60 coupled to the protrusion 31 is also moved to the left side.

At this time, the locking projection 32 of the lower slide member 30 is preferably formed with an inclined surface (32a) to engage the cam 41 so as to be able to rotate in one direction of the cam member (40). The inclined surface 32a is inclined in the same direction as the inclined surface 22a of the upper slide member 20 locking projection 22. Rotation of the cam member 40 enables the cam 41 to rotate only in one direction, that is, in the right direction, and constrains rotation in the other direction, that is, in the left direction.

In order to insert and lock the locking device into the housing 10, the upper slide member 20 and the lower slide member 30 should be firmly coupled to each other. To this end, the lower slide member 30 has a release preventing protrusion 33a formed on the upper right side of the release preventing jaw 33, and a fastening ring 34 is formed on the upper portion of the locking protrusion 32. The upper portion of the 20 is provided with a rectangular coupling groove 23 to which the fastening ring 34 is coupled. Accordingly, the left end of the upper slide member 20 is in close contact with the release preventing jaw 33 in the state before the cam member 40 rotates, and the fastening ring 34 of the rectangular coupling groove 23 is closed. The upper end member 20 is caught by the right end, and the release preventing protrusion 33a and the fastening ring 34 are firmly coupled to the upper slide member 20 without being separated from the lower slide member 30.

The cam member 40 is located on the left side of the locking protrusion 22 of the upper slide member 20 and the right side of the locking protrusion 32 of the lower slide member 30 to rotate the cam member 40 of the upper slide member 20. The cam 41 is formed so that the slide movement to the left and the slide movement to the right of the lower slide member 30 are simultaneously performed. At this time, the rotation of the cam member 40 is only possible to rotate in one direction and the rotation in the other direction is constrained.

As described above, the present invention improves the problems of the conventional locking device using a gear and a rack having a complicated structure and a gear is easily separated from the rack, so that the upper slide member 20 and the By sliding the lower slide member 30 to release the left locking bar 50 and the right locking bar 60, the structure is simple, easy to manufacture, there is no fear of separation of the cam member 40, noise is small It has the advantage of smooth operation.

In addition, in the present invention, the cam member 40 is accommodated on the left side of the locking protrusion 22 of the upper slide member 20 and the right side of the locking protrusion 32 of the lower slide member 30. It is preferable that the separation preventing ribs 24 and 35 are formed to prevent the 40 from escaping forward and backward, respectively. In this case, the cam member 40 can be prevented from being separated in the direction of the central axis of the cam member 40.

In addition, the cam member 40 is preferably formed to be symmetrical from the central axis of the cam member 40.

The spring 70 is coupled to the upper slide member 20 and the lower slide member 30, respectively, and the upper slide member 20 and the lower slide, which are slidably moved by the rotation of the cam member 40, respectively. It serves to return the member 30 to its original position. When the upper slide member 20 and the lower slide member 30 is moved by the rotation of the cam member 40, the spring 70 is a compressive force acts when the rotation force is removed from the lever 80 The spring 70 is elastically restored to push the upper slide member 20 and the lower slide member 30 to each other, thereby returning the upper slide member 20 and the lower slide member 30 to their original positions. The cam member 40 is also rotated to its original position.

The left locking bar 50 is coupled to the engaging protrusion 21 of the upper slide member 20 and installed to the left to be locked by the locking portion 2 of the frame 1 and the upper slide member 20. When the slide is moved to the right side of the locking portion 2 will be released.

The right locking bar 60 is coupled to the engaging projection 31 of the lower slide member 30 and is installed to the right to be locked by the locking portion 2 of the frame 1 and the lower slide member 30. When the slide moves to the left side of the locking portion 2 is released.

The lever 80 is coupled to the cam member 40 to rotate the cam member 40. The lever 80 has a fastening portion 81 formed of a bi-window with elasticity, a coupling portion 82 having a groove shape extending from the coupling portion 81, and a handle portion formed at one side of the coupling portion 82. It consists of 83.

In addition, the cam member 40 is further provided with a engaging projection 43 is engaged with the engaging portion 82, the cam member by rotating the engaging projection 43 by the rotation of the lever 80, the cam member. 40 will be rotated.

At this time, the cam member 40 is formed with a fastening hole 42 which is fastened to the fastening portion 81 of the lever 80, the housing 10 is a fastening portion 81 of the lever 80 and The insertion hole 11 into which the coupling portion 82 is inserted is formed.

Insertion hole 11 of the housing 10 is preferably formed in the front and rear of the housing 10, respectively, the lever 80 is preferably coupled to the front or rear of the housing 10. This facilitates the installation of the insect screen without distinguishing the outside or the inside of the insect screen.

As described above, the roll-type screen locking device according to the present invention is easy to install and remove the screen by a simple lever operation, the structure is simple, easy to manufacture, and easy to install the screen without distinguishing the outside or inside There is this. In addition, the driving of the locking device is configured in a cam method without using gears and racks, and thus has low noise, no fear of detachment of the cam member, and smooth operation.

Claims (7)

A frame fixed to the window and provided with engaging portions at both lower ends thereof; A housing mounted at the bottom of the screen; An upper slide member embedded in the housing and having a coupling protrusion formed at a lower left side thereof, and a locking protrusion formed at a lower right side thereof; A lower slide which is embedded in the housing and positioned below the upper slide member and has a release preventing jaw formed at a left end to prevent the upper slide member from being separated to the left, a coupling protrusion formed at a lower right side thereof, and a locking protrusion formed at a lower right side thereof; absence; The cam is located on the left side of the locking projection of the upper slide member and the right side of the locking projection of the lower slide member to rotate the slide to the left of the upper slide member and the slide to the right of the lower slide member by rotation. A cam member formed; A spring coupled to each of the upper slide member and the lower slide member to return the upper slide member and the lower slide member to their original positions, the slides being respectively moved by rotation of the cam member; A left locking bar coupled to the engaging protrusion of the upper slide member and installed to the left to be locked by a locking portion of the frame and released from the locking portion when the slide is moved to the right side of the upper slide member; A right locking bar engaged with the engaging projection of the lower slide member and installed to the right to be locked by a locking portion of the frame and released from the locking portion when the slide is moved to the left side of the lower slide member; A lever coupled to the cam member to rotate the cam member; Roll-type insect screen locking device comprising a. The method of claim 1, The lower slide member has a separation preventing projection is formed on the upper right of the separation prevention jaw and a fastening ring is formed on the upper portion of the locking projection, The upper portion of the upper slide member is provided with a rectangular coupling groove to which the fastening ring is coupled, The left end portion of the upper slide member is in close contact with the release prevention jaw in the state before the cam member rotates, and the fastening ring is caught by the right end portion of the rectangular coupling groove, and the upper portion is formed by the release preventing protrusion and the fastening ring. Rolling insect screen locking device, characterized in that the slide member and the lower slide member is coupled. The method of claim 2, Roll-type prevention ribs are formed on the left side of the locking projection of the upper slide member and the right side of the locking projection of the lower slide member so that the cam member is accommodated to prevent the cam member from being separated from the front and rear. Screen lock. The method of claim 3, wherein And the cam member is formed to be symmetrical from the central axis. The method according to any one of claims 1 to 4, And the cam member has an inclined surface engaging with the cam on the engaging projection of the upper slide member and the engaging projection of the lower slide member to enable rotation in one direction. The method of claim 5, The lever is composed of a fastening portion consisting of a bi-window with elasticity, a coupling portion of the groove shape extending from the coupling portion and a handle portion formed on one side of the coupling portion, The cam member is provided with a fastening hole to be engaged with the fastening portion of the lever, the engaging projection is further provided to engage with the engaging portion to rotate the cam member by the rotation of the lever, The housing is a roll screen insect lock device, characterized in that the insertion hole is formed is inserted into the fastening portion of the lever. The method of claim 6, The insertion hole of the housing is formed in the front and rear of the housing, respectively, the roll screen insect lock device, characterized in that the lever can be coupled to the front or rear of the housing.

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