KR101057325B1 - Cylinder lock with opening and closing indication - Google Patents

Abstract

Provided is a cylinder lock having an opening and closing display portion.

The present invention is a key holder detachably assembled to a fixing bracket having a locking lever; A plurality of rotatably assembled in the inner hole of the key holder, the front and rear display identification portion and the key insertion groove is provided on the front surface, and the locking and release of the key holder by the key member inserted through the key insertion groove A cylinder key having a locking piece; And a cap member having through-holes exposing the exposed hole for externally exposing the opening / closing display and a central hole for exposing the key insertion groove to the front, and having an assembly rib elastically assembled to the assembling groove formed in the key holder. .

According to the present invention, it is possible to easily check whether the lock is opened or closed from the outside to increase the security, it is necessary to disassemble the entire lock according to the user's needs to replace the cylinder to enable the opening and closing of the lock in combination with the key It can be performed easily and quickly without any improvement in convenience.

Padlock, opening and shutting indication, cylinder, key, key ring, cap

Description

Cylinder type lock having a open / close display {Cylinder Type Lock having a Open-Close Display}

The present invention relates to a cylinder lock having an opening and closing display, and more particularly, it is possible to easily check whether the lock is opened or closed from the outside to increase the security, and to replace the cylinder to enable the opening and closing of the lock in combination with the key The present invention relates to a cylinder lock having an open / close display unit which can be easily and quickly performed according to a user's need to improve convenience in use.

In general, the lock is provided in a closed position such as a door, a drawer, a safe, a cabinet, and the like so as not to be opened without a key. Such a lock is classified into a word lock, a lever tumbler lock, and a pin tumbler lock according to an opening and closing mechanism.

The word lock has a structure in which an obstacle is formed in a path in which the lock rotates and cannot be opened unless the key does not touch the formed obstacle, and the lever tumbler lock pushes the lever tumbler having a spring therein as the key rotates. It has a structure that is mainly used for a safe.

The pin tumbler lock is also referred to as a cylinder lock. A spindle that is rotatable is installed at an eccentric position of the cylinder in the lock, and two pins having different connection positions are inserted into holes formed through the cylinder and the spindle. The spring is installed at one end, and the shape of the inserted key pushes each pin up so that the spindle can be moved by the key when all the pin connection positions are exactly at the boundary between the cylinder and the spindle.

These cylinder locks have excellent safety because the spindle does not rotate even if the key teeth of the key are slightly misaligned, so that the doors, front doors, and doors that serve as passages in the home or office to prevent unauthorized entry by malicious persons Or, offices / personal furniture desks, drawers, cabinets, etc. have been installed and used in many important locations in crime prevention.

On the other hand, in the case of office furniture or personal furniture to which the general cylinder lock is applied, if the user leaves the seat without checking whether the lock is opened or closed, the high risk of documents and documents, which are important for security, may be lost and stolen. There was a problem that could not be matched with the recent working environment that emphasizes gender.

In addition, in order to check whether the lock is opened or closed by the user or the security officer, it is cumbersome to check the opening and closing state by pulling an object that is allowed to be opened and closed by the conventional lock. There was a violation of personal privacy or misunderstanding in the process of opening a drawer or door to check whether it was opened or closed.

In the case of a general cylinder lock, in order to remove the cylinder key provided in the lock from the lock, the entire lock must be completely disassembled. Therefore, it is very cumbersome to replace the cylinder key with a new one as required by the user. There was a problem that other parts may be damaged during operation.

Therefore, the present invention is to solve the above problems, the purpose of which can easily check whether the lock is opened or closed from the outside can increase the security, replacement of the cylinder to enable the opening and closing of the lock in combination with the key According to the needs of the user without the need to disassemble the entire lock to provide a cylinder lock having an opening and closing indicator that can be easily and quickly performed to improve the convenience of use.

As a specific means for achieving the above object, the present invention is a key holder assembled to one side of the fixing bracket having a locking lever; A plurality of rotatably assembled in the inner hole of the key holder, the front and rear display identification portion and the key insertion groove is provided on the front surface, and the locking and release of the key holder by the key member inserted through the key insertion groove A cylinder key having a locking piece; It is assembled to the front end of the key holder having an opening through which the exposure hole for externally exposing the opening and closing display and the central hole for externally exposing the key insertion groove, and an assembly rib elastically assembled in the assembly groove formed in the key holder. And a cap member, wherein the cylinder key includes a front disc having a key insertion groove into which the key member is inserted, an opening and closing display identification part defining a closed and open area, and a body having a size smaller than an outer diameter of the front disc. Form a plurality of guide grooves in the radial direction are arranged on the outer surface and a plurality of engaging pieces and elastic members for supporting them in the radial direction, radially the master guide grooves are disposed in the master engaging pieces and elastic members for supporting them elastically It provides a cylinder lock having an opening and closing display portion, characterized in that it comprises a rear cylindrical body formed.

Preferably, the key holder has an inner hole in which the cylinder key is rotatably inserted, and penetrates through a plurality of assembly holes at one end of the holder body corresponding to the recessed groove and the holder body corresponding to the fixing bracket. The formed flange part is provided.

More preferably, the holder body has a contact rib protruding to be in linear contact with the cylinder key at the front end facing the cap member.

delete

More preferably, the closed, open area is any one of the color, letters or symbols are provided on the front surface of the front disk by any one of the coating, plating, painting or adhesive method.

More preferably, the front disk has a control jaw inserted into a semicircular groove recessed in the inner surface of the cap member.

More preferably, the control jaw is provided in the boundary area between the closed area and the open area.

Preferably, the assembly rib has one end in contact with a rear surface of the front disc to prevent separation from the front when the cap member and the key holder are coupled to each other, and the other end of the assembly member is formed by a cutout formed through the assembly rib. Has an elastic piece that is connected to provide an elastic force.

According to the present invention, the opening and closing display identification part and the key insertion groove are provided on the front surface of the cylinder key rotatably assembled in the inner hole of the key holder, and the opening and closing display identification part is attached to the cap member detachably assembled at the tip of the key holder. By penetrating through the exposure hole for external exposure and the central hole for external exposure of the key insertion groove, the lock opening and closing state can be confirmed by the unlocking operation of the lock, so that the lock opening and closing state can be easily and quickly checked manually. Adapt to a work environment that requires high security.

In addition, by removing the cap member from the key holder while the master key member is inserted and the lock between the key holder and the cylinder key is released, it is necessary to disassemble the entire lock according to the user's need for the cylinder key into which the key member is inserted as a key part of the lock. Since the cylinder key can be easily detached from the key holder, the convenience in using the lock can be improved.

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

1 is a perspective view showing a cylinder lock having an opening and closing display according to a preferred embodiment of the present invention, Figure 2 (a) (b) shows a cylinder lock having an opening and closing display according to a preferred embodiment of the present invention 3 (a) and 3 (b) are exploded perspective views illustrating a cylinder lock having an open / close display unit according to a preferred embodiment of the present invention.

Cylinder lock 100 having an opening and closing display according to a preferred embodiment of the present invention, as shown in Figures 1 to 3 (a) (b), the fixing bracket 110, key holder 120, cylinder key 130 ) And a cap member 140.

The fixing bracket 110 is provided with a locking lever 111 that is operated to be locked or unlocked by a locking groove that is a locking structure formed in a fixture (not shown), such as a door frame or a desk, and fixedly fixed to the fixed object 2. do.

Here, the locking lever 111 is shown and described as a lever member that is horizontally moved to the fixing bracket 110, but is not limited to this, the turning lever or rotating rod that is rotated according to the locking structure such as the locking groove provided in the fixture It may be provided as.

The fixed object 2 may be a drawer coupled to a door or a desk assembled to a door frame according to the shape of the fixture, but is not limited thereto, and may be variously changed according to the article to which the lock is applied.

The key holder 120 is a structure that is integrally fixed to the front of the fixing bracket 110 by a plurality of rivet members or detachably assembled by a plurality of fastening members.

The key holder 120 has a hollow cylinder-shaped holder body 120a having an inner hole 121 into which the cylinder key 130 is inserted and disposed so that the cylinder key 130 is rotatably assembled at the center of the body, and the fixing. A flange portion 120b having a through hole 123 through which the rivet member or the fastening member is inserted and assembled is provided at one end of the holder body 120a corresponding to the bracket 110.

A plurality of assembling grooves 122 are recessed on the outer circumferential surface of the holder body 120a such that the assembling ribs 143 formed on the cap member 140 are elastically inserted and caught.

The rear end of the front disk (130a) formed on the cylinder key 130 to minimize the frictional force generated during the rotation operation of the cylinder key 130 at the front end of the holder body (120a) facing the cap member 140 It is preferable to have contact ribs 124 protruding to be in line contact with the contact ribs, and the contact ribs 124 may be formed discontinuously in the circumferential direction at the tip of the holder body 120a.

Then, the stopper 125 is assembled to the key holder 120 on the inner circumferential surface of the inner hole 121 formed in the holder body 120a so as to control the rotation operation of the cylinder key 130 that is rotated when the lock is released. It is provided.

The cylinder key 130 is a substantially cylindrical structure rotatably assembled in the inner hole 121 of the key holder 120 for the unlocking operation of the lock.

The cylinder key 130 includes a front disk 130a and a rear cylindrical body 130b. The front disk 130a includes a central hole 141 and an exposure hole 142 formed in the cap member 140. It is provided with a key insertion groove 131 and the opening and closing display identification unit 132 exposed through the outside.

Here, the key insertion groove 131 is a key insertion passage formed in the central region of the front disk 130a to insert a key member (not shown) for unlocking the lock, and the opening and closing display identification unit 132 is It is provided with a closed area 132a indicating the closed state of the lock and an open area 132b indicating the opened state of the lock during the unlocking operation of the key member.

The closed area 132a may be provided in red to indicate the closed state, and the open area 132b may be provided in blue to indicate the open state, but the present invention is not limited thereto. Alternatively, any one of the symbols may be provided in any one of a coating method for coating the front surface of the front disk 130a, a plating method for plating, an adhesive method for adhesively bonding, or a painting method for painting.

In addition, the opening and closing display identification unit 132 displaying the closed and open areas 132a and 132b is prevented from being scratched and damaged in contact with the inner surface of the cap member 140 when the cylinder key 130 is rotated. It is preferable to be provided on the front surface of the front disk so as to be spaced apart from the inner surface of the cap member 140 at a predetermined interval.

At least one control on the front surface of the front disk (130a) protruding to be inserted into the semi-circular groove 147 formed in a semi-circular recess in the inner surface of the cap member 140 along the outer edge of the central hole (141) The jaw 137 is provided, and the control jaw 137 is preferably provided at a boundary area between the closed area 132a and the open area 132b constituting the opening / closing display identification unit 132. .

Accordingly, the rotation range in which the cylinder key is rotated in the inner hole of the key holder may be controlled by interference between the control jaw 137 and the recess 147.

The rear cylindrical body (130b) is a cylindrical structure extending a predetermined length to the rear having an outer diameter size smaller than the outer diameter of the front disk (130a), the key member inserted through the key insertion groove 131 in the rear cylindrical body. A plurality of catching pieces 133 that are engaged with and released with the internal catching grooves formed on the inner surface of the key holder 120 and protruding jaws and end portions protruding from the catching pieces 133 so as to support them in a radial direction. And a plurality of guide grooves 135 in which the locking pieces 133 and the elastic members 133b are disposed in a radial direction, and the locking piece 133 has the key insertion groove. It penetrates through the insertion hole (133a) is passed through the key member inserted through.

And, the rear cylindrical body 130b having the guide groove 135 is a master locking piece that is engaged with and released from the master internal locking groove formed on the inner surface of the key holder 120 by a master key member ( 134, and a master elastic member 134b in contact with an end of the protruding jaw protruding from the master locking piece so as to elastically support it in the radial direction, wherein the master locking piece 134 and the master elastic member ( 134b is formed in the radial direction of the master guide groove 136 is disposed, the master locking piece 134 is inserted through the key insertion groove through the insertion hole 133a of the locking piece 133 The master key member passes through the insertion hole 134a.

Accordingly, the cylinder key 130 inserted into the inner hole of the key holder 120 is held between the master locking piece 134 and the key holder until the lock is released by the insertion of the master key member. This prevents the cylinder key from being separated from the key holder.

The cap member 140 has a central hole 141 for exposing the key insertion groove 131 to which the key member is inserted, and an exposure hole 142 for exposing the opening / closing display identification unit 132 to the outside. To penetrate each.

The cap member 140 guides the rotation of the cylinder key 130 rotatably assembled to the inner hole 121 of the key holder 120 while protecting the identification of the opening and closing display provided on the front of the front disk from the outside. It is a cover member.

The cap member 140 is provided on the outside of the cap member 140 by a plurality of assembly ribs 143 elastically inserted into and coupled to the assembly groove 122 formed on the outer surface of the front end of the key holder 120. Removably assembled to the front end of the key holder 120 by the coupling between the rib 143 and the assembling groove 122.

The assembly rib 143 extending from the outer side of the cap member 140 toward the key holder 120 side is in contact with the rear surface of the front disk 130a when the cap member and the key holder are coupled to prevent separation from the front. The other end portion is connected to the cap member by the cutout portion 144 that is formed through the cap member, and has an elastic piece 145 providing elastic force.

Accordingly, the cap member 140 is difficult to rotate the cap member 140 with respect to the cylinder key at the tip of the key holder 120 by the coupling between the assembly rib 143 and the assembly groove 122. At the same time, the one end of the elastic piece 145 is in contact with the rear surface of the front disk to prevent the cap member from being separated from the cylinder key, and at the same time the cylinder key 130 for the key holder 120 during the unlocking operation of the key member. It can guide the rotation of the.

The inner surface of the cap member 140 facing the front disk that is the front end of the cylinder key 130 is provided with a semi-circular groove 147 recessed in a semi-circle along the central hole for exposing the key insertion groove outside, The recess 147 corresponds to the control jaw 137 protruding from the front of the front disc 130a.

Accordingly, when the cylinder key 130 is rotated, the control jaw 137 slides along the semi-circular groove 147, and the interference occurs by contact between both ends of the control jaw 137 and the groove 147. By controlling the rotation range of the cylinder key 130.

When the key member is inserted through the key insertion groove 131 of the cylinder key 130 in the lock 100 having the above configuration, the cylinder key rotatably assembled in the inner hole 121 of the key holder 120. 130 is a cylinder key in the key holder because the locking piece 133 assembled to the cylinder key when the key member is inserted is positioned in the radial direction in the guide groove 135 to release the locking between the locking piece and the key holder. Is freed to enable the unlock operation.

In this state, when the key member is rotated approximately 180 degrees in the forward direction, the cylinder key 130 along with the key member is rotated 180 degrees to perform the opening operation of the lock.

At this time, the front disk of the cylinder key 130, which is exposed to the outside through the exposure hole of the cap member 140 assembled to the tip of the key holder 120 is also rotated with this, as shown in Figure 3 (b) As described above, among the opening and closing display identification parts 132 provided on the front surface of the front disc, the closed area 132a, which is displayed in red, is hidden while the open area 132b, which is displayed in blue, is exposed through the exposure hole 142. Externally exposed through the user can visually check the open state of the lock.

On the other hand, when the lock operation of the lock is made while the cylinder key 130 is rotated 180 degrees in the reverse direction, the open area 132b displayed in blue is covered while the closed area 132a displayed in red is exposed. Externally exposed through the ball 142, the user can visually check the closed state of the lock.

Accordingly, the user can visually confirm the identification state of the opening / closing display identification part exposed through the exposure hole with the naked eye without having to manually check the closed state of the lock by simply and quickly checking the unlocked state of the lock. You can do it.

On the other hand, if you want to replace the cylinder key provided in the lock with another according to the user's request, a plurality of hooks that the end is hung on the inner surface of the key holder 120 by inserting the master key member into the key insertion groove 131 By simultaneously releasing the locking state of the master locking piece 134 together with the piece 133, the cylinder key 130 is switched from the key holder 120 to a free state.

In addition, the cap member 140 assembled at the tip of the key holder 120 releases the assembly rib 143 from the assembly groove 122 to release the locking between the key holder 120 and the cap member 140.

In such a state, when the cap member 140 is pulled outward, the cylinder key 130 released by the master key member is drawn out to the outside together with the cap member and the inner hole 121 of the key holder 120. It can be separated from.

In addition, the cap member separated together with the cylinder key is separated from one end of the elastic piece 145 so as not to come into contact with the rear surface of the front disk, thereby releasing the coupling between the cap member and the cylinder key, thereby separating the cylinder key and the cap member from each other. It can be separated.

Accordingly, the cylinder key provided in the lock has a master key member inserted according to the user's needs without completely dismantling the lock, thereby releasing the engagement between the key holder and the cap member in a state where the lock is released between the cylinder key and the key holder. It is very simple and quick to replace the cylinder key with a new one by a simple operation of releasing.

While the invention has been shown and described with respect to particular embodiments, it will be understood that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 is an overall perspective view showing a cylinder lock having an opening and closing display unit according to an embodiment of the present invention.

Figure 2 (a) (b) is an exploded perspective view showing a cylinder lock having an opening and closing display unit according to an embodiment of the present invention.

Figure 3 (a) (b) is a state diagram of use of the cylinder lock having an opening and closing display unit according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

110: fixing bracket 111: locking lever

120: key holder 120a: holder body

120b: flange 121: internal hole

122: assembly groove 130: cylinder key

131: key insertion groove 132: identification part for opening and closing display

132a: closed area 132b: open area

133: jam piece 134: master piece

135: guide groove 136: master guide groove

137: control jaw 140: cap member

141: center hole 142: exposed ball

143: assembly rib 144: cutout

145: elastic piece

Claims (8)

A key holder 120 assembled to one side of the fixing bracket 110 having the locking lever 111; It is rotatably assembled in the inner hole 121 of the key holder 120, and provided with an opening and closing display identification unit 132 and the key insertion groove 131 on the front, and is inserted through the key insertion groove 131 A cylinder key 130 having a plurality of locking pieces 133 which engage and release the key holder 120 by a key member; The through hole 142 for exposing the opening and closing display unit 132 and the central hole 141 for exposing the key insertion groove 131 to the outside are formed through the front, and the assembly formed on the key holder 120 And a cap member 140 having an assembly rib 143 elastically assembled in the groove 122 to be assembled at the tip of the key holder 120. The cylinder key 130 includes a front disc 130a including a key insertion groove 131 into which the key member is inserted, an opening and closing display identification unit 132 that forms a closed and open area, and the front disc 130a. Radially forming a plurality of guide grooves 135 in which the plurality of locking pieces 133 and the elastic member 133b for elastically supporting the body are disposed on the outer surface of the body having a size smaller than the outer diameter of the blade; 134 and a cylinder lock having an opening and closing display portion, characterized in that it comprises a rear cylindrical body (130b) formed radially in the direction of the master guide groove 136 is disposed elastic support (134b). The method of claim 1, The key holder 120 has an inner hole 121 in which the cylinder key 130 is rotatably inserted, and includes a holder body 120a in which the assembly groove 122 is recessed, and the fixing bracket 110. And a flange portion (120b) formed through the plurality of assembly holes (123) at one side end of the holder body (120a) corresponding to the cylinder lock having an opening and closing display portion. The method of claim 2, The holder body (120a) is a cylinder lock having an opening and closing display portion characterized in that it is provided with a contact rib (124) protruding so as to be in line contact with the cylinder key 130 at the front end facing the cap member (140). delete The method of claim 1, The closed and open area is a cylinder lock having an opening and closing display portion, characterized in that any one of the color, letters or symbols are provided on the front surface of the front disk (130a) by any one of coating, plating, painting or bonding. The method of claim 1, The front disc (130a) is a cylinder lock having an opening and closing display portion characterized in that it comprises a control jaw 137 is inserted into the semi-circular groove 147 formed in the inner surface of the cap member 140. The method of claim 6, The control jaw 137 is a cylinder lock having an opening and closing display portion, characterized in that provided in the boundary area between the closed area and the open area. The method of claim 1, The assembly rib 143 contacts the rear surface of the front disc 130a to prevent separation from the front when the cap member 140 and the key holder 120 are coupled to each other, and penetrates the assembly rib 143. The other end is connected to the cap member 140 by the notch 144 is formed, the cylinder lock having an opening and closing display portion characterized in that it comprises an elastic piece 145 to provide an elastic force.

Images