KR100930212B1 - Door hasp - Google Patents

Abstract

PURPOSE: A door lock is provided, which facilitates manufacture, lowers production cost, can be easily attached to a product. CONSTITUTION: A door lock comprises a main body(10) and a latch(30). The main body comprises a base plane(11) in which the front is opened and operation face is formed in a panel type; and a combining fitting side(18) having a combination fixing piece(18a) of which one side is bent or combination fixing pieces of which the front and rear are bent. The latch includes a bar hanging groove(32) and a stopper(33). The stopper is hung on the back side or top side of the base plane.

Description

Door lock {DOOR HASP}

The present invention relates to a door fastening device, and more particularly, to an improvement of a door lock for fastening a door such as a vinyl house or a barn.

An example of the technology related to the hook of a barn door for raising dogs or pigs is Utility Model Registration No. 20-0257899, "Bottom door hook."

However, the prior art such as "barn door hook" disclosed in No. 20-0257899 has a disadvantage in that the production speed is high and the production cost is high because the bending work of shape bending and nearly 180 ° bending must be performed separately in manufacturing the housing type hook body. There is this. Also, when attaching the barn door hook made of the product, welding must be fixed. If there were no welding tools, it was difficult to attach these barn door hooks. In addition, the conventional barn door hook fixed to the support in the vertical state has a small welding area, and due to the structural relationship protruding forward, the door hook is easily bent due to external impacts, or the weld part is frequently damaged.

Therefore, an object of the present invention is to provide an improved door lock so that it is easy to manufacture, low production cost, there is no difficulty in attaching the product, even if the body structure of the operation space is opened in the front, the fastening of the hook piece can be made without shaking. .

The present invention for achieving the above object, the one side of the 3 ~ 6mm thick metal plate member is formed to be formed in the groove insertion groove 12 and the front side of the coupling fixed surface portion 18 is formed to be bent on the other side of the metal plate member The tangier spring 40 and the body 10 are configured in a state in which the main body 10 having the working space is disposed and the hook piece 30 having the latching groove 32 is located in the front working space of the main body 10. In the door lock configured to be axially coupled to the shaft 42 together, the main body 10 is provided with a base surface portion 11 is formed in the entire planar shape and the inlet groove 12 is cut in the inside, the hook is axially coupled The upper part of the piece 30 is provided with a stopper 33 formed to extend downward bend after extending the rear bent to be jaw caught on the upper edge of the base surface portion 11 and the back surface of the base surface portion 11 during the latching operation. It is characterized by.

In addition, the present invention, the main body having a working space that is open to the front side to be formed by the bent insertion groove 12 is formed on one side of the 3 ~ 6mm thickness metal sheet material and the coupling fixed surface portion 18 is formed on the other side of the metal plate material ( 10), and the shaft piece 42 together with the tangier spring 40 in the main body 10 in a state where the hook piece 30 having the latching groove 32 is located in the front working space of the main body 10. In the door lock configured to be axially coupled, the main body 10 is provided with a base surface portion 11 formed with a cutout insertion groove 12 therein, but the lower extension of the latch insertion groove 12 is extended laterally after the side To prevent the extension portion 16 to be formed to be bent, the upper side of the axially coupled hook piece 30 is provided with a stopper 33 is extended to the rear, the upper side of the base surface portion 11 during the latching operation Jaw hooked the lower side and the lower latch ring 34 of the latch hook groove 32 of the hook piece 30 is separated from the prevention portion (1) 6) It is characterized in that it is configured to be located in the closed operating space portion 15.

The present invention is easy to manufacture, low production cost, there is no difficulty in attaching the product to the door lock door lock fastener for fastening, even if the operating structure is the body structure of the open front to allow the fastening of the hook piece without fluctuations There is an advantage.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a door lock 2 according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the door lock 2 of FIG. 1, and FIG. 3 is a view of the door lock 2 of FIG. 1. Side cross section view. 4 is a perspective view of the hook piece 30 constituting the door lock 2 according to the embodiment of the present invention, and FIG. 5 is a state diagram of the door lock 2 according to the embodiment of the present invention. .

6 to 8 are views related to the door lock 2A according to another embodiment of the present invention, FIG. 6 is a perspective view, and FIG. 7 is a view of the door lock 2A according to another embodiment of the present invention. It is a perspective view of the hook piece 30 which comprises, and FIG. 8 is a side cross-sectional view of the door lock 2A of FIG.

Door lock (2) (2A) according to an embodiment of the present invention comprises a main body 10 and the hook piece (30).

The main body 10, which is a component of the door lock 2 according to the embodiment of the present invention shown in Figs. 1 to 5 of the door locks 2 and 2A, is opened forward and the operating surface is of the entire planar shape. The base surface portion 11 and one side is configured to be provided with a coupling fixed surface portion 18 having two coupling fixing pieces 18a, 18b or three or four bending coupling pieces of front and rear bending. In addition, the hook piece (30), which is another component of the door lock (2), has a latch hook groove (32), which is lever-axially coupled, and an upper portion thereof is provided with a stopper (33) formed to extend downward bend after extending backward. There is a configuration feature to be caught in the upper edge of the base surface portion 11 and the back surface of the base surface portion 11 during the latching operation.

In addition, the main body 10, which is one component of the door lock 2A according to another embodiment of the present invention shown in Figs. Base surface portion 11 and two coupling fixing piece (18a) (18b) or one side is bent forward and backward having a coupling fixing surface portion 18 having three or four bending coupling pieces of the front and rear, the base surface portion (11) The lower extension part of the inner latch insertion groove 12 is configured to be bent in the longitudinal extension after the front extension bending to prevent the departure portion 16 is formed. In addition, the hook piece 30, which is another component of the door lock 2A, has a latch hook groove 32 and is lever-axially coupled to the upper portion thereof so that a stopper 33 is extended to the rear and is provided with a latch fastening operation. The upper edge of the seam base surface 11 is chin-hung and the lower latch ring 34 of the latching groove 32 in the hook piece 30 is connected to the closed operating space 15 behind the separation prevention portion 16. It is characterized in that it is configured to be located.

The main body 10 and the hook piece 30 constituting the door lock (2) (2A) in the present invention can be produced in a short time in a short time by pressing and bending the shape using a metal sheet material of 3-6mm thickness This thickness may be such that there is no problem in the door lock (2) (2A) to fully function even if the main body 10 of the door lock (2) is a front open structure. If it is thinner than the prescribed thickness, it is inferior in firmness as the door lock 2 (2A) and thicker than the prescribed thickness, which may lower economic efficiency and may be somewhat uncomfortable for press working.

Fabrication of the main body 10 according to the embodiment of the present invention is made as follows. First, a 3-6 mm thick metal sheet is shaped to obtain a plate-like base material of the main body 10. Through the shape-taking process of the main body 10, a latch insertion groove 12, a shaft hole 38b, and a locking hole 48b are formed in the base surface portion 11, and a fastening hole 22 is formed at one side of the fixed surface portion 18. ) Are formed. At this time, one side of the fixed surface portion 18 is also formed with one or two transverse incisions in the transverse direction, the base surface portion 11 is also formed with a "c" shaped incision for forming the engaging projection (43).

After plucking the shape, one side portion of the plate-shaped base material is bent by 90 ° to form a coupling fixed surface portion 18 of the present invention, and is divided into two front and rear fixing pieces 18a, 18b or three to four. Coupling fixing pieces are provided to protrude, so that most of the rest in the main body 10 is formed with a base surface portion 11 of the overall planar form.

As shown in FIGS. 1 and 2, the main body 10 according to the embodiment of the present invention is formed in the front and rear of the base surface portion 11 because the engaging fixed surface portion 18 is formed to be bent and protruded forward and backward. Has

Attachment fixing surface of the door lock 2 as the coupling fixing surface 18 in the main body 10 is composed of two coupling fixing pieces 18a and 18b or three or four coupling fixing pieces projecting forward and backward. This is secured widely. Each fastening hole 22 is also formed in each of the coupling fastening pieces 18a and 18b constituting the coupling fastening surface part 18, so that the installation operator of the door lock 2 is balanced with the coupling fastening part 18 before and after. Not only can be welded through) can be coupled through the fastening bolt through the fastening hole (22).

The main body 10 of the door lock (2A) according to another embodiment of the present invention after bending the one side portion of the plate-shaped base material by bending 90 ° to form a coupling fixed surface portion 18 of the present invention, front and rear It is the same as the door lock (2), but having two coupling fixing piece (18a) (18b) or three to four coupling fixing pieces protruding by dividing into the base surface portion which is the operating surface in the body 10 In the configuration of the (11), as shown in Figure 6, by the bending operation to the lower extension portion of the latch insertion groove 12 in the base surface portion 11 to be extended laterally bent after the side extension bending portion 16 Formed to be formed is different from the door lock (2).

On the other hand, the hook piece 30 as another component of the door lock (2) (2A) of the present invention is located in the front operating space on the base surface 11 of the main body 10, the latch bar by lever operation through the shaft connection It serves to latch 68. Hanger piece 30 of the present invention is the head portion 36, the connection line insertion hole 50, the locking hole 48a, shaft hole 38a for the hand operation as well as the latching groove 32 in the shape-taking process It is formed together, and the "c" shaped incision line for forming the engaging protrusion 44 is also formed. Furthermore, the hook piece 30 allows the belt-like protrusion to be extended to form a stopper 33 that can be caught on the upper edge of the base surface portion 11 as shown in the embodiments shown in FIG. 4 or 6. .

The stopper 33 of the hook piece 30 according to the embodiment of the present invention shown in FIG. 4 is formed as the band-shaped protrusion of the upper side of the hook piece 30 is bent downward after bending in the bending step after the shape-taking process. As shown in FIG. 3, the stopper 33 has the hook piece 30 on the upper edge of the base face 11 in the latched state and the base piece 11 of the base piece 11 as shown in FIG. 3. It is chinted on the back to prevent fluid tilting forward. In addition, the "c" shaped cut line formed on the hook piece 30 is pressed to form a locking projection 44 which partially protrudes forward, on the hook piece 30 front surface.

In addition, the stopper 33 of the hook piece 30 according to another embodiment of the present invention shown in FIG. 7 is formed as the band-like protrusion of the upper side of the hook piece 30 is bent backward in the bending process after the shape-taking process. As shown in FIG. 8, the stopper 33 allows the hook piece 30 to be hung on the upper edge of the base surface 11 in a latched state. The hook piece 30 of FIG. 7 may stop the stopper 33 from being caught only at the upper edge thereof, so that the fluid can be moved forward, and the prevention of the stopper 33 may be prevented. Since the 34 is caught by the release preventing portion 16 of the base surface portion 11, that is, the latch ring portion 34 of the hook piece 30 is attached to the rear closing operation space portion 15 of the release preventing portion 16. This is possible by making. In addition, the "c" shaped cut line formed on the hook piece 30 is pressed to form a locking projection 44 which partially protrudes forward, on the hook piece 30 front surface.

The shaft hole 38a of the hook piece 30 and the shaft hole of the main body 10 in a state where the hook piece 30 having the latch hook groove 32 is positioned in the front working space of the main body 10 having the above-described structure ( When the shaft rod 42 is inserted into the tangential spring 40 and axially coupled to 38b), the door locks 2 and 2A as shown in FIG. 1 and FIG. 6 are manufactured. At this time, one end of the Tanger Spring (40) is supported by the engaging protrusion 43 is partially projected on the base surface 11 of the main body 10 and the other end of the Tanger Spring (40) is partially protruded on the front surface of the hook piece (30) It is configured to be supported by the locking projection (44).

Although the door lock 2 according to the embodiment of the present invention shown in FIGS. 1 to 5 or the door lock 2A according to another embodiment of the present invention shown in FIGS. Even if the structure is a front open, the head portion 36 of the hook piece 30 is not swinging back and forth, even if the door post 60 is a square pillar or a cylinder adaptively coupled to the fixed surface portion 18 in a balanced maximum surface It can be supported by contact. In particular, even if the diameter of the cylinder constituting the door post (60) is different, if two coupling fixing pieces (18a) (18b) or three or four coupling fixing pieces protruding in front and rear to form a proper obtuse angle by hammering a tool such as a hammer The maximum surface contact is made to fit the win column post 60.

In such a state that the maximum surface contact as described above, as shown in FIG. 5, the welded fixing part 18 of the door lock 2 may be welded to the door holder 60 to form a welded part 64, and the door holder ( 60 may be drilled and bolted to the bolt skew 66.

When locking the door lock (2) (2A) of the present invention, if the worker has a welding tool can be welded securely by welding a widely secured portion of the coupling fixing surface portion 18, there is no welding tool In this case, the two coupling fixing pieces 18a and 18b of the main body 10 may be fixed by bolting through each coupling hole 22 formed in three or four coupling fixing pieces. When fastening the bolts can be fastened only with bolt skews (66), but if more firmly can be fastened with a bolt nut structure. In addition, as shown in Figure 5 when the welding together with the bolt body, the locking fastening force of the door lock (2) can be configured more firmly.

When the door lock (2) (2A) is fixed to the door holder (60), the door lock (2) (2A) is projected forward, but the fixed thickness protruding forward and rearward with the thick thickness defined in the present invention ( The balanced support configuration of the mating fixed surface portion 18 having 18a) and 18b minimizes damage to the door lock 2, 2A, such as being easily bent or welded off by an external impact or the like.

In the door lock (2) (2A), the locking hole (48a) (48b) is a hole used when the user fills with a lock, etc., and the connection line insertion hole (36) is the door closed unexpectedly by wind or the like when working in the interior room At the same time, it is a hole to hang the connecting line to open the door that will be latched.

When the user closes the door with the latch bar 68, the latch bar 68 fixed to the door frame 62 pushes up the hook piece 30 in the door lock 2, and then inserts the latch of the main body 10. It is inserted into the groove 12, and then the hook piece 30 is lowered by the holding force of the finger spring 40, the bar rod 68 is fastened as shown in FIG. Since the hook piece 30 is tethered to the tangier spring 40, the latching of the door lock 2 and 2A does not come off unless the user raises the head 36 of the hook piece 30. do.

As described above, the user can fill the lock by using the locking pieces 48a and 48b of the hook piece 30 and the main body 10 in a state where the hook hooks 2 and 2A are fastened. Release the latch on the door lock (2) (2A) by pulling the connecting line even when the door is closed by a factor such as wind by threading the connecting line to the connecting line insertion hole (50) to the inside through the door gap. You can do it.

If the user pulls up the head 36 of the hook piece 30 and pulls out the door, the latch bar 68 of the door frame 62 is pulled out of the latch insertion groove 12 of the main body 10 so that the user Will be able to open the door.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be defined by the claims and their equivalents.

It can be used for easy latching of doors such as green houses or barns.

1 is a perspective view of a door lock according to an embodiment of the present invention,

Figure 2 is an exploded perspective view of the door lock of Figure 1,

Figure 3 is a side cross-sectional view of the door lock of Figure 1,

Figure 4 is a perspective view of the hook piece constituting the door lock according to an embodiment of the present invention,

5 is a state of use of the door lock according to an embodiment of the present invention,

6 to 8 are views related to the door lock according to another embodiment of the present invention.

 <Explanation of symbols for the main parts of the drawings>

(2)-Door lock (10)-Main body

(11)-Base face (12)-Latches

(18)-engagement surface (18a) (18b)-engagement piece

(22)-Fastener (30)-Hanger

(32)-latching groove (33)-stopper

(40)-Tangier Spring (42)-Shaft

(43) (44)-Locking projection (48a) (48b)-Locking hole

(50)-Cord Insertion Hole (68)-Latches

Claims (2)

One side of the 3-6 mm thick metal plate member is formed with a latch insertion groove 12, and the coupling fixed surface portion 18 is formed bent on the other side of the metal plate member to form a main body 10 having a front open working space. The door is configured to be axially coupled to the main body 10 with a shaft rod 42 in the state in which the hook piece 30 having the latching groove 32 is located in the front working space of the main body 10. In the fastener, The main body 10 is provided with a base surface portion 11 is formed in the entire planar shape and the inlet groove 12 is cut in the inside, and is formed to extend downward bending after extending the rear bending on the hook piece 30 is axially coupled Door stopper, characterized in that the stopper 33 is provided so that the upper edge of the base surface portion 11 and the rear surface of the base surface portion (11) when the fastening operation. One side of the 3-6 mm thick metal plate member is formed with a latch insertion groove 12, and the coupling fixed surface portion 18 is formed bent on the other side of the metal plate member to form a main body 10 having a front open working space. The door is configured to be axially coupled to the main body 10 with a shaft rod 42 in the state in which the hook piece 30 having the latching groove 32 is located in the front working space of the main body 10. In the fastener, The main body 10 is provided with a base surface portion 11 formed with a cutout insertion groove 12 therein, but the lower extension portion of the latch insertion groove 12 to be extended laterally bent after the side extension bending portion 16 Is formed, and the upper portion of the hook portion 30 is axially coupled to be provided with a stopper (33) extended rearward, the jaw is caught on the upper edge of the base surface portion 11 during the latching operation and the hook piece (30) The lower latch ring portion 34 of the latching groove 32 of the door lock, characterized in that configured to be located in the closed operating space 15 behind the separation prevention portion (16).

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