KR20110048171A - Apparatus for opening a door with three point door-lock around thereof - Google Patents

Apparatus for opening a door with three point door-lock around thereof Download PDF

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Publication number
KR20110048171A
KR20110048171A KR1020090104861A KR20090104861A KR20110048171A KR 20110048171 A KR20110048171 A KR 20110048171A KR 1020090104861 A KR1020090104861 A KR 1020090104861A KR 20090104861 A KR20090104861 A KR 20090104861A KR 20110048171 A KR20110048171 A KR 20110048171A
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KR
South Korea
Prior art keywords
door
door lock
lever
main
lever arm
Prior art date
Application number
KR1020090104861A
Other languages
Korean (ko)
Inventor
정철현
Original Assignee
(주)코스모
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Publication date
Application filed by (주)코스모 filed Critical (주)코스모
Priority to KR1020090104861A priority Critical patent/KR20110048171A/en
Publication of KR20110048171A publication Critical patent/KR20110048171A/en

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/624—Arms
    • E05Y2201/626—Levers

Abstract

PURPOSE: A simultaneous opening apparatus for a three-point door lock is provided to more stably and firmly secure a door using three door locks and allow opening/closing of the door using a door lever without inconvenience. CONSTITUTION: A simultaneous opening apparatus for a three-point door lock is configured as follows. A door lever(16) is connected to one end of a main lever arm(11) of a main door lock(1). Link levers(12) are respectively connected to the upper and lower sides of the other end of the main lever arm. The link levers are respectively extended toward auxiliary door locks(2) from the main lever arm and connected to the leading end of lever arms(9).

Description

Apparatus for opening a door with three point door-lock around

The present invention further installs an auxiliary door lock at the upper and lower ends of the door together with the main door lock installed at the side of the door, and one ratchet is provided at each door lock to provide a regular opening and closing means of the door. By allowing the door lever to be sunk at the same time, the door installed along the door frame is supported by three door locks more securely and firmly, and the tree does not cause inconvenience or trouble in the regular opening / closing operation of the door using the door lever. The present invention relates to a simultaneous opening of a point door lock.

In general, a door provided to restrict a person's entrance through the room is installed together with a door frame, that is, a door frame, on a wall partitioning the indoor space, and the door is allowed to always enter and exit the room. A door lock is installed to lock the door to restrict entry into the room. A representative door lock may be a lever type door lock.

The lever-type door lock has a ratchet to normally open and close the door at any time using a door lever provided on the inside and the outside of the door, and to lock the door using a lock lever or a key at the inside or the outside of the door. A dead bolt is installed, and a mechanism installed in the door lock in association with the ratchet is generally called opening and closing means, and a mechanism installed in the door lock in association with the dead bolt is usually called a locking means.

However, in the case of a general door, the door lock is installed to the inside of the door at the side of the door, that is, the central part of the door opposite to the door frame by the hinge, etc., and then only the ratchet and the dead bolt are protruded to catch on the door frame together with the door. As such, when the door lock is installed only at the side of the door, the facility strength and safety of the door are not only reduced, but the service life of the door is also reduced.

In other words, the side part of the door is supported on the door frame by the ratchet and the dead bolt of the door lock, but the means for supporting the door together with the door frame is not provided on the upper side or the lower side part of the door away from the position where the door lock is installed. By doing so, when a strong impact is applied to the top or bottom side of the door, deformation such as bending or bending of the top and bottom portions of the door is easily performed.

When the deformation occurs in the door due to various impacts as described above, the appearance of the door is not very bad, and the deformed part of the door is separated from the door frame, which is not preferable in terms of privacy protection. In addition, the gap between the door and the door frame also increases the risk that other outside people may enter the room by operating the lock lever inside the door.

Due to the above factors, not only the facility strength and safety of the door is lowered, but also the overall service life of the door is also shortened. To prevent this, additional door locks need to be installed at the upper and lower ends of the door. However, this countermeasure is limited to simply increasing the number of door locks, and if each door lock is to be operated individually, this results in only the inconvenience and inconvenience of using the door.

The present invention has been made to solve the conventional problems as described above, the simultaneous opening device of the tri-point door lock according to the present invention is the auxiliary door lock at the upper and lower ends of the door together with the main door lock is installed on the side of the door. On the other hand, the ratchet provided in each door lock to provide a regular opening / closing means of the door can be sunk at the same time by one door lever installed on the door, so that the doors installed along the door frame are more secured by the three door locks. While maintaining a safe and firm support, the door lever does not cause any inconvenience or trouble in opening and closing the door at all times, thereby greatly improving the facility strength and safety of the door and the service life of the door. It is a task.

In addition, the present invention is to provide the door locking means by the dead bolt only in the main door lock of the three door locks installed on the door together with the door opening and closing means by the ratchet, the door opening and closing means by the ratchet in the remaining auxiliary door lock By providing only, it is possible not only to reduce the cost of installing the tree point door lock, but also to improve the convenience of using and locking the door, and to adjust the length of the link lever connecting the main door lock and the auxiliary door lock. Another technical problem is to make it possible to apply more compatible to various doors having different sizes and dimensions.

The present invention as a means for solving the above technical problem, in the opening device to provide a door opening and closing means for everyday use by allowing the ratchet of the lever-type door lock installed in the door using the door lever, the lever-type door lock Is composed of a total of three door locks including the main door lock is installed on the side of the door, and the auxiliary door lock is installed on the upper and lower ends of the door, respectively, the outer door lock case of the main door lock and the auxiliary door lock is provided in the corresponding door lock The main lever arm and the lever arm are each installed to perform the indentation operation of the ratchet, the door lever is connected to one end of the main lever arm, and the link lever is connected to the upper and lower ends of the main lever arm, respectively. Each of the link levers extends from the main lever arm toward the auxiliary door lock side, and the lever arm leading end of the door lock is provided. Characterized in that the connection setup.

In addition, the door lock means using a dead bolt is installed in the main door lock together with the door opening and closing means using the ratchet and the main lever arm, and the door opening and closing means using the ratchet and the lever arm is installed in the auxiliary door lock. The link lever includes a first link stage hingedly connected to the main lever arm of the main door lock, a second link stage hingedly connected to the lever arm of the auxiliary door lock, and the respective link stages are connected to each other. It is made of a connecting rod, one of the first link stage and the second link stage is installed fixedly connected to the connecting rod integrally, the other link stage is assembled by bolting along the connecting rod for adjusting the length of the link lever It is characterized by.

According to the present invention as described above, the side surface of the door and the upper and lower end portions of the door to be firmly supported in the door frame by a total of three door locks, even if a strong impact is applied to the top or bottom of the door, such impact Auxiliary door lock is supported together with the door frame to protect the door safely. As a result, the upper and lower parts of the door are not easily bent or bent, as well as opening and closing the door according to the application of the simultaneous opening device. The effect of using a single door lever is very easy and easy to perform.

Therefore, there is an effect of preventing the situation that the appearance of the door very deteriorated by the deformation of the door, the deformation of the door is opened to the door frame and the interior space is exposed to the outside and through the gap between the door and the door frame It also has the effect of preventing people from entering the room by operating the lock lever inside the door, thereby improving the strength and safety of the door, as well as the overall service life of the door. It is effective to prolong.

In addition, among the three door locks installed on the door, the door locking means by the dead bolt is provided together with the door opening and closing means by the ratchet only in the main door lock, and only the door opening and closing means by the ratchet is provided in the remaining auxiliary door lock. In addition, it is possible to reduce the cost according to the installation of the tree-point door lock, and to improve the convenience of using and locking the door, and to adjust the length of the link lever connecting the main door lock and the auxiliary door lock. By doing so, the simultaneous opening device of the present invention has a very useful effect such as being more compatible with various doors having different sizes and dimensions.

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

First, the present invention, as shown in Figure 1, the main door lock (1) which is usually installed on the side portion (left side surface portion of the figure) of the door 3, and the upper and lower ends of the door 3, preferably On the basis of the position where the main door lock 1 is installed, it is based on a total of three door locks including auxiliary door locks 2 respectively installed on the upper part and the lower part.

The main door lock 1 and the auxiliary door lock 2 have a rectangular door lock case 4 which is embedded in the door 3 like the known lever type door lock, and the door lock case 4 of the door lock case 4. A back plate 7 which is installed on the front surface and is assembled against the side part of the door 3, and is mounted through the back plate 7 to provide opening and closing means of the door 3; It comprises a ratchet 6 and a dead bolt (5).

In the door lock case 4 of the main door lock 1 and the auxiliary door lock 2, a main lever arm 11 and a lever arm 9 for intrusive operation of the ratchet 6, which is a normal opening / closing means of the door 3, are provided. On the other hand, the door lock case 4 of the main door lock 1 is provided with a lever hole 8 for the inlet and out operation of the dead bolt (5) that is the locking means of the door (3).

The lever hole 8 is installed in connection with the lock lever (not shown) provided on the inner side (indoor side) of the door 3, while the illustrated manual key bundle provided on the outer side (outside) of the door 3 is provided. By being installed respectively connected to the key lever or the drive shaft of the electronic unlocking device, it is possible to perform the locking and unlocking operation of the door (3) using the main door lock (1) on the indoor side and the outdoor side.

Each door lock case 4 is provided with a mechanism to allow the ratchet 6 to be mounted in accordance with the rotation operation of the main lever arm 11 and the lever arm 9, and the door lock case of the main door lock 1 ( 4) There is additionally provided a mechanism for injecting the dead bolt (5) in accordance with the operation of the locking lever or key bundle or the electronic disengagement device connected to the lever hole (8), such a mechanism in the technical field to which the door lock belongs At the same time well known technology, there are various mechanisms for each company manufacturing the door lock.

Door opening and closing means and dead bolt (5) for opening and closing the door (3) from time to time by using the ratchet (6) and the main lever arm 11 in the main door lock (1) installed in the side portion of the door (3) in the drawing While the door lock means for locking or releasing the door 3 when necessary is provided with the auxiliary door lock 2 installed at the upper and lower ends of the door 3, the ratchet 6 and the lever are provided. Only the door opening and closing means by the arm 9 is provided.

The reason why the main door lock (1) and the auxiliary door lock (2) is installed separately as described above, while preventing inconvenience or trouble caused by the use of the door (3), while reducing the installation cost of the tree-point door lock This is to contribute to the side surface, and the supporting strength of the door 3 by the respective door locks 1 and 2, and to improve the safety and the service life of the door 3 based thereon.

In other words, when the main door lock 1 is installed at both the side part and the upper and lower ends of the door 3, the inconvenience of having to operate a total of three door locks during the locking and unlocking operation of the door 3 is generated. Bar, since the locking and unlocking operation of the door 3 can be sufficiently achieved with only one door lock, the arrangement of such door locks is not desirable, and the price of the main door lock 1 can be reduced. Since it is expensive compared to the installation cost of the tree-type door lock also has the disadvantage that increases.

Therefore, only the main door lock 1 installed on the side of the door 3 is provided with the opening and closing function and the locking function of the door 3 at the same time, while the upper and lower ends of the door 3 are provided by the ratchet 6. When the auxiliary door lock 2 provided with only the door opening / closing function is installed, the door frame 3 installed on the basis of the door frame, that is, the door frame, which is not shown is more firm and secured by a total of three door locks 1 and 2. Not only can it be stably supported, but it also prevents trouble and inconvenience caused by the use of the door 3, and at the same time, the installation cost of the tripoint type door lock can be reduced according to the application of the inexpensive auxiliary door lock 2. Will be.

However, in the state where the main door lock 1 is installed at both the side part of the door 3 and the upper and lower ends, only the main door lock 1 installed at the side part of the door 3 locks the door 3 in parallel. On the other hand, in the case of the main door lock 1 installed at the upper and lower ends of the door 3, only the ratchet 6 is operated while the dead bolt 5 is always inserted into the back plate 7. It should be clear if possible.

A component corresponding to the main part of the present invention connects the main lever arm 11 of the main door lock 1 and the lever arm 9 of the auxiliary door lock 2 to the link lever 12, thereby providing a main door lock 1. When the main lever arm 11 is rotated, the lever arm 9 installed in each of the auxiliary door locks 2 rotates in conjunction with the main lever arm 11 to operate the main door lock 1 and the auxiliary door lock ( The ratchet 6 provided in 2) becomes a simultaneous opening device 10 so that the ratchet 6 can be sunk at the same time.

The main opening device 10 is the main lever arm 11 in a state in which the door lever 16 is connected to one side end (right end in the drawing) of the main lever arm 11 of the main door lock 1. Link levers 12 are respectively connected to upper and lower ends of the other end (left end of the drawing), and the link levers 12 extend from the main lever arm 11 toward the auxiliary door lock 2, It consists of a configuration that is connected to the front end of the lever arm 9 (left end in the drawing) of the auxiliary door lock (2).

At one end of the main lever arm 11 and the lever arm 9, an assembly shaft 9b, 11b having a rectangular bar shape protrudes, and the assembly shaft 9b, 11b is a ratchet 6. It is inserted into the door lock case 4 so as to be connected to the mechanism provided in the door lock case 4 for the inlet and out of the door lock, and the assembly shaft 11b of the main lever arm 11 is installed outside the door 3. The door lever 16 which is provided at the side and the indoor side, respectively, and provides a door opening and closing handle is additionally installed.

In addition, at both ends of the link lever 12, that is, at the connection portion between the link lever 12 and each lever arm 9, 11, a link pin 9a fixedly installed at the other end of the lever arm 9, 11, respectively. (11a) is inserted through the link lever 12, so that each link lever 12 connects the main lever arm 11 and the lever arm 9, while the door lever 16 When each link lever 12 pushes or pulls the lever arm 9 of the auxiliary door lock 2 while the main lever arm 11 is rotated, the link pins 9a and 11a are hinged points. Angular movement is possible.

Therefore, when the door lever 16 is held by hand in the closed state of the door 3 shown in FIG. 1 and the door lever 16 is pressed downward in the drawing, the main door lock 1 of FIG. The main lever arm 11 rotates in the clockwise direction together with the door lever 16, and thus, an upper link lever 12 among the link levers 12 connected to the link pin 11a of the main lever arm 11. 12 is pushed upward, and the lower link lever 12 is pulled upward.

At the same time, the lever arm 9 of each sub-door lock 2 connected to the main lever arm 11 by the upper and lower link levers 12 is interlocked with the rotation operation of the main lever arm 11 to assemble the shaft ( By rotating in the clockwise direction about the drawing 9b), the main lever arm 11 and each lever arm 9 are simultaneously rotated by the link lever 12 simultaneously with the pressing operation of the door lever 16. will be.

In addition, as described above, the main shaft arm 11 and the assembling shafts 9b and 11b provided on the respective lever arms 9 are connected with a mechanism for the indentation operation of the ratchet 6, so that the main lever According to the interlocking rotation of the arm 11 and the lever arm 9, each ratchet 6 installed in the main door lock 1 and the auxiliary door lock 2 passes through the back plate 7 into the door lock case 4. By entering at the same time, the door 3 can be opened.

The door 3 can be opened and closed through the door 3 in the same manner as described above, and the door lever 16 inside the door lock case 4 of the lever-type door lock like the main door lock 1 When the applied force is removed, restoring means for automatically restoring the ratchet 6 to the initial position shown in FIG. 1, for example, a restoring spring, are provided, so that the door lever 16 with the door 3 closed. ), The door 3 closes automatically.

In other words, when the door 3 is closed and the door lever 16 is released from the hand, the ratchet 6 moves the back plate 7 as the restoring means provided in the door lock case 4 pushes the ratchet 6. On the other hand, the lever arms 9 and 11, the link lever 12 and the door lever 16 are also shown in FIG. 1, i.e., the door 3 is closed by the restoring force of the restoring means. The restoring means of the ratchet 6 is likewise known in the art to which the lever-type door lock belongs.

When the simultaneous opening device 10 according to the present invention is installed on the door 3 together with the tripoint type door lock as described above, the door 3 equipped with the door frame is provided on the three door locks 1 and 2. It can be supported more securely and firmly on the door frame, as well as the normal opening and closing operation of the door 3 using the door lever 16 does not cause any inconvenience or trouble, and thereby the facility of the door (3) The strength and safety and the service life of the door 3 can be greatly improved.

In other words, the side portion of the door 3 and the upper and lower end portions of the door 3 can be firmly supported in the door frame not shown by the three door locks 1 and 2, so that the door 3 Even if a strong impact is applied to the upper side or the lower side, the secondary door lock 2 supports the impact together with the door frame to secure the door 3 so that the upper side and the lower side of the door 3 easily bend. Of course, the opening and closing operation of the door 3 according to the application of the simultaneous opening device 10 can be performed very easily and easily by using one door lever 16.

Therefore, it is possible to prevent the situation in which the appearance of the door 3 becomes very deteriorated by the deformation of the door 3, and of course, the deformed portion of the door 3 is separated from the door frame so that the interior space is exposed to the outside. Through the situation and the gap between the door 3 and the door frame, it is also possible to more effectively prevent the risk that other outside people can enter the room by operating the lock lever inside the door 3.

Due to the above factors, not only can the facility strength and safety of the door 3 be improved, but the overall service life of the door 3 can also be extended. 10) it is possible to prevent the inconvenience and inconvenience caused by the use of the door (3).

1 and 2 illustrate the distance between the main door lock 1 and the auxiliary door lock 2 so that the structure and working relationship of the simultaneous opening device 10 which is the main part of the present invention can be more clearly explained. As shown in a reduced scale, substantially the distance between the main door lock 1 and the auxiliary door lock 2 installed in the door 3 and the length of the link lever 12 connecting them are much longer than those shown in the drawings. It is to be noted that.

In addition, since the simultaneous opening device 10 corresponding to the main part of the present invention is also installed in the door 3 together with the door lock case 4, the main lever arm 11 and the respective link levers are installed. Appropriate empty space must be provided along the inside of the door 3 in which the simultaneous opening device 10 is installed, so as not to interfere with the operation of the 12 and the lever arm 9.

In addition, since the dead bolt 5 of the main door lock 1 protrudes only when the locking operation of the door 3 is performed, otherwise, the dead bolt 5 always enters the inside of the door lock case 4, 1 and 2, the dead bolt 5 is shown as an imaginary line so that there is no misunderstanding in the description of the present invention centering on the opening and closing operation of the door 3.

As components corresponding to other essential parts of the present invention, as shown in FIGS. 1 to 3, the length of the link lever 12 can be adjusted so that the tripoint type door lock according to the present invention can be simultaneously opened ( 10) is to be applied to various doors of different sizes and dimensions more compatible.

To this end, the link lever 12, the first link stage 13 is hingedly installed to the main lever arm 11 of the main door lock 1, and the lever arm 9 of the auxiliary door lock (2). It consists of a connecting rod (15) connecting the second link stage 14 and the link stage 13, 14, which are installed in a hinged manner.

In addition, one of the first link stage 13 and the second link stage 14 is fixedly installed with the connecting rod 15 integrally, the other link stage is the connecting rod for adjusting the length of the link lever 12 Along the bolt portion (15a) provided in the (15) consists of a configuration that is assembled by bolting.

In the drawing, the nut part 13a and the bolt part 15a which are fastened to the bolt part 15a of the connecting rod 15 are inserted into the first link unit 13 connected to the main lever arm 11 by a predetermined length. Although it is shown that the incision 13b that can be formed, this fastening structure can be applied to the second link stage 14, as well as, if necessary, the fastening structure to the first link stage 13 And may be applied to both the second link stage 14.

In addition, if the length of the link lever 12 can be adjusted by fastening the link bases 13 and 14 along the bolt portion 15a of the connecting rod 15, the nut portion 13a and the cutout portion 13b. Other fastening structures other than) may be provided, for example, a pipe-shaped structure in which the bolt portion 15a may be fastened and inserted to a predetermined depth may be provided to the link bases 13 and 14. have.

When the structure of the link lever 12 is improved in the above manner, the overall length of the link lever 12 can be adjusted by a predetermined width by a bolting method of the connecting rod 15 and the link base 13 and 14. Thus, even if the distance between the main lever arm 11 of the main door lock 1 and the lever arm 9 of the auxiliary door lock 2 varies depending on the size or dimensions of the door 3, the link lever 12 By adjusting the length of the to fit the simultaneous opening device 10 of the present invention can be easily installed with the tree-point door lock.

Finally, as shown more clearly in FIG. 3, the assembly shafts 9b and 11b protrude forward and backward from one side end (right end in the drawing) of each lever arm 9 and 11. The link pins 9a and 11a protrude to the other end (left side end of the drawing) of the lever arms 9 and 11, and link pins 13 and 14 to each of the link bars 13 and 14, respectively. Pinholes 13c and 14a into which (9a) and 11a are inserted are formed.

The assembly shaft 11b formed on the main lever arm 11 should protrude to the front and rear of the main lever arm 11 for the connection of the door lever 16 and the operation of the ratchet 6, but the auxiliary door lock Since the assembly shaft 9b formed on the lever arm 9 of (2) performs only a function of operating the ratchet 6 of the auxiliary door lock 2, the lever arm 9 together with the link pin 9a in the drawing. The assembly pin (9b) portion protruding in the front side of the may be omitted if necessary.

In addition, the main lever arm 11 in the drawing is shown as having a substantially "C" shaped ring shape, but can be manufactured in a variety of other shapes in addition to, as shown in Figures 1 and 2 By installing the guide pin 17 on the outer surface of the door lock case 4 of the main door lock 1 as described above, the rotation angle of the main lever arm 11 by the door lever 16 is properly adjusted by the guide pin 17. It is desirable to be controlled.

1 is a front view showing a simultaneous opening device of a tri-point door lock according to the present invention.

Figure 2 is a front view showing the open state of the door using the simultaneous opening device of the tri-point door lock according to the present invention.

Figure 3 is an exploded perspective view of the link lever used in the present invention.

Description of the Related Art

1: Main door lock 2: Auxiliary door lock 3: Door

4: door lock case 5: dead bolt 6: ratchet

7 back plate 8 lever ball 9 lever arm

9a, 11a: Link pins 9b, 11b: Assembly shaft 10: Simultaneous opening device

11 main lever arm 12 link lever 13 first link

13a: nut part 13b: incision 13c, 14a: pinhole

14 second link zone 15 connecting rod 15a bolt portion

16: door lever 17: guide pin

Claims (3)

In the opening device for providing the door opening and closing means in the usual manner by using the door lever 16 to project the ratchet 6 of the lever-type door lock installed in the door 3, The lever-type door lock is composed of a total of three door locks including a main door lock (1) installed on the side portion of the door (3), and an auxiliary door lock (2) respectively installed on the upper and lower ends of the door (3). , On the outside of the door lock case 4 of the main door lock 1 and the auxiliary door lock 2, a main lever arm 11 and a lever arm which perform the indenting operation of the ratchet 6 provided in the door lock 1 and 2; 9 are installed respectively, The door lever 16 is connected and installed at one end of the main lever arm 11, and the link lever 12 is installed at each of the upper and lower ends of the main lever arm 11, respectively. Each of the link levers 12 extends from the main lever arm 11 toward the auxiliary door lock 2 side and is connected to the tip end of the lever arm 9 of the door lock 2. Simultaneous opening device. According to claim 1, The main door lock (1) is provided with a door locking means using a dead bolt (5) together with a door opening and closing means using a ratchet (6) and the main lever arm (11), Simultaneous opening device of the tri-point door lock, characterized in that the auxiliary door lock (2) is provided with only the door opening and closing means using the ratchet (6) and lever arm (9). The said link lever 12 is the 1st link stand 13 hinge-connected to the main lever arm 11 of the main door lock 1, The auxiliary door lock 2 of Claim 1 or 2 characterized by the above-mentioned. It consists of a second link stage (14) hingedly connected to the lever arm (9) of the) and connecting rods (15) connecting the respective link stages (13) and (14), One of the first link unit 13 and the second link unit 14 is fixedly installed with the connecting rod 15 integrally, the other link stage is the connecting rod 15 for adjusting the length of the link lever 12 Simultaneous opening of the tri-point door lock, characterized in that the assembly is installed in the form of bolted together.
KR1020090104861A 2009-11-02 2009-11-02 Apparatus for opening a door with three point door-lock around thereof KR20110048171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090104861A KR20110048171A (en) 2009-11-02 2009-11-02 Apparatus for opening a door with three point door-lock around thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090104861A KR20110048171A (en) 2009-11-02 2009-11-02 Apparatus for opening a door with three point door-lock around thereof

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KR20110048171A true KR20110048171A (en) 2011-05-11

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KR1020090104861A KR20110048171A (en) 2009-11-02 2009-11-02 Apparatus for opening a door with three point door-lock around thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111456563A (en) * 2020-04-26 2020-07-28 国网江苏省电力有限公司常州供电分公司 Looped netowrk cabinet lock that easily opens and shuts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111456563A (en) * 2020-04-26 2020-07-28 国网江苏省电力有限公司常州供电分公司 Looped netowrk cabinet lock that easily opens and shuts
CN111456563B (en) * 2020-04-26 2023-08-11 国网江苏省电力有限公司常州供电分公司 Ring main door lock easy to open and close

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