JP2006097432A - Weatherproof locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a weatherproof locking device suitable for use in dusty and damp environment. <P>SOLUTION: A locking core unit of the weatherproof locking device has an inner shell received into a locking shell and rotatable relative to the locking shell; a plurality of locking plates received into the inner shell and rotatable relative to the inner shell while cooperating to form a keyhole of the locking core unit; a locking unit operatively associated with the locking plates to lock the rotation of the inner shell relative to the locking shell in the locked state of the locking plates and to release the rotation locked state of the inner shell to the locking shell in the unlocked state of the locking plates; a latch actuator connected to the inner shell; and a plurality of spacer plates arranged between a pair of adjacent locking plates. The spacer plate is formed of material lower in hardness than the material of the locking plates. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a locking device, and more particularly to a weatherproof locking device suitable for use in a dusty and moist environment.

  In the current padlock structure, the padlock body has a padlock housing and a U-shaped shackle, and a lock core device is mounted in the padlock housing. The lock core device can operate to engage and disengage with the shackle, thereby enabling locking and unlocking operations to be performed in a conventional manner. However, in the conventional padlock, after assembly, there is a clearance or gap between the padlock housing and the shackle, and the keyhole for receiving the key is provided in the lock core device. And exposed to the influence of natural forces such as rain and wind, fine sand particles and gravel enter the inside of the lock core device through the keyhole, and the internal components of the lock core device will not move, Padlock operation may become impossible. In addition, when the padlock is used in a wet and humid environment, moisture enters the inside of the padlock housing through the existing clearances and gaps, thereby rusting the components inside the padlock housing after a predetermined time. There is a case. In addition, when the padlock is used in cold weather, some moisture that enters the padlock may freeze the internal components, thereby making the padlock inoperable. By providing a protective shroud on the padlock, it may be possible to maintain the operability of the padlock in harsh and extreme environments, but in order to meet government regulations, such as those established by the US Defense Agency, The padlock must not have an external protective shroud and must withstand dirt, moisture, corrosion, freezing, etc. due to its inherent structure. Therefore, the focus of the manufacturer's efforts in the industry is how a padlock can be constructed that can withstand extreme environments without having a protective shroud.

  Accordingly, an object of the present invention is to provide a weatherproof locking device suitable for use in a dusty and moist environment.

  In the present invention, the weatherproof locking device includes a lock core device having a lock shell and a lock core unit. The lock core unit is received in the lock shell and is rotatable with respect to the lock shell, and is received in the inner shell and is rotatable with respect to the inner shell. A plurality of locking plates cooperating to form a keyhole, and operatively associated with the locking plate to lock the rotation of the inner shell relative to the lock shell in a locked state of the locking plate; and A locking unit that releases the rotation lock state of the inner shell relative to the lock shell in an unlocked state of the plate, a latch actuator coupled to the inner shell, and a pair of adjacent locking plates are respectively disposed. And a plurality of spacer plates. The spacer plate is formed of a material whose hardness is lower than that of the material of the locking plate.

  The lock core unit preferably further includes a drive plate received in the inner shell and rotatable with respect to the inner shell. The drive plate is disposed between the locking plate and the latch actuator, and forms the keyhole in cooperation with the locking plate. The drive plate can transmit to the latch actuator a rotational force applied via a correct key inserted into the keyhole.

  The drive plate is preferably formed with a non-circular drive hole that forms a part of the key hole. The lock core unit further includes a rotation control member mounted on the latch actuator and aligned with the drive hole. The rotation control member extends into the drive hole of the drive plate and engages with the drive hole, thereby preventing rotation of the drive plate and detaching from the drive plate when a correct key is inserted into the key hole. The latch actuator can be driven to rotate, allowing the drive plate to rotate with the correct key.

  Preferably, the locking device further comprises a padlock body, and the padlock body has a padlock housing and a shackle member. A core chamber is formed in the padlock housing, and the padlock housing has a bottom portion in which an opening for accessing the core chamber is formed. A core locking device is received in the core chamber. The padlock housing has an upper end formed with two shackle holes. The shackle member has two insertion ends that are respectively inserted into the shackle holes.

  Preferably, the padlock body further includes a latch unit disposed within the padlock housing and coupled to the latch actuator for engaging with the insertion end of at least one of the shackle members.

  The padlock body further includes two seal rings, each seal ring being held within a corresponding one of the shackle holes, thereby corresponding one of the insertion ends of the shackle member. It is preferable to make an airtight contact with one.

  Other features and advantages of the present invention will become apparent in the following description of preferred embodiments with reference to the accompanying drawings.

  Before describing the present invention in detail, it should be noted that like parts are indicated by like reference numerals throughout the disclosure.

  1-4, a weatherproof locking device according to the present invention is shown embodied in a padlock. The padlock has a lock core device 10, a padlock body 20 (see FIGS. 3 and 4), and a key 30 that can operate on the lock core device 10 for locking and unlocking. The key 30 has a working tip 31 at the foremost end and a plurality of key bits 32 provided on the shaft of the key 30 and forming various predetermined angles together with the shaft.

  The lock core device 10 is of the type disclosed in, for example, US Pat. Nos. 5,934,121 and 6,185,966. The entire disclosure of these patents is incorporated herein by reference. As shown in FIGS. 1 and 2, the lock core device 10 includes a lock shell 11 and a lock core unit. The lock core unit includes an inner shell 12, a drive plate 13, a plurality of locking plates 14, a plurality of annular spacer plates 15, a seal member 16, a protective plate 17, a latch actuator 18, and a rotation control member 191. have.

  The lock shell 11 has a substantially rectangular head end 111 and a hollow interior that defines a receiving chamber 112. The head end 111 has a square end surface 113, and a key access hole 114 that extends through the end surface 113 and communicates with the receiving chamber 112 is formed in the head end 111. The end surface 113 is formed together with the outer surface 115. An insertion groove 116 is formed on the side surface of the head end 111. A holding groove 117 for receiving the seal member 118 in a fitted state therein is formed on the outer peripheral surface of the head end 111. In this embodiment, the seal member 118 is formed as a rectangular ring. The seal member 118 and the chamfered outer surface 115 are formed so as to match the outer shape or shape of the head end portion 111. Therefore, when the head end portion 111 has a circular shape, the seal member 118 and the chamfered outer surface 115 are also circular.

  The inner shell 12 is received in the receiving chamber 112 and is rotatable with respect to the lock shell 11, and has a shaft hole 121 for receiving the drive plate 13, the locking plate 14, the spacer plate 15, and the seal member 16 in order. It has a hollow interior that defines it. The inner shell 12 has a tubular wall in which a first locking unit for receiving a first locking unit corresponding to the locking plate 14 and in the form of a first control rod 123 is located. A slot 122 and a second slot 124 for receiving a second locking unit which corresponds in position to the drive plate 13 and takes the form of a second control rod 125 are formed. The first and second control rods 123 and 125 are individually operable with the locking plate 14 and the drive plate 13 so as to be held between the inner shell 12 and the longitudinal groove 119 formed in the inner surface of the lock shell 11. , Thereby preventing rotation of the inner shell 12 relative to the lock shell 11. The drive plate 13 has an outer peripheral surface provided with drive protrusions 131 and notches 133, and the drive plate 13 has a non-circular drive hole 132 formed at the center thereof. In this embodiment, the drive hole 132 has a shape of 3/4 of a circle and is arranged to receive the operating tip 31 of the key 30. The key 30 can rotate the drive plate 13 only when the operating tip 31 of the key 30 matches the shape of the drive hole 132. Therefore, the drive hole 132 forms a part of the key hole of the lock core device 10, and thus the drive plate 13 functions as a code setting unit of the lock core device 10. Of course, the drive hole 132 may be formed to have any other shape. The locking plate 14 is a circular plate formed of stainless steel. Each locking plate 14 has an outer peripheral surface in which a notch 141 is formed at a predetermined position. The hole formed through the locking plate 14 corresponds to the key bit portion 32 of the key 30 and forms another part of the key hole of the lock core device 10 in cooperation with the hole. The plate 14 generally serves as another code setting unit for the lock core device 10. The locking plate 14 and the spacer plate 15 are disposed in a stacked state in the shaft hole 121. Each spacer plate 15 is disposed between a pair of adjacent locking plates 14 and serves to maintain smooth rotation of the locking plates 14. Most importantly, the spacer plate 15 of the present invention has a hardness lower than that of the locking plate 14 formed of stainless steel, and has a high tetrafluoroethylene content capable of capturing the granules in a pressed state therein. Formed by molecules. Tetrafluoroethylene polymer is also known to exhibit lubricating properties and can serve as a substitute for conventional lubricating oils. In many cases, the conventional lock core device is contaminated with dust during lubrication, which causes the key 30 to become dirty and prevents the key 30 from rotating. In the present invention, the use of the tetrafluoroethylene polymer spacer plate 15 eliminates the need for further lubrication, thereby eliminating the above problem. The seal member 16 is disposed at the foremost end of the inner shell 12, that is, adjacent to the key access hole 114, and has a seal ring 161 and a protective sleeve 162. The seal ring 161 is press-fitted into the shaft hole 121 of the inner shell 12. The protective sleeve 162 is also made of tetrafluoroethylene polymer and is press-fitted into the receiving chamber 112 of the lock shell 11. The protective sleeve 162 is formed with an annular skirt 1621 that extends into the seal ring 161 and engages the seal ring 161 in a sleeve. Therefore, the seal member 16 can effectively prevent dust, sand, and water from entering the lock core device 10. The protective plate 17 is attached between the inner shell 12 and the head end 111 of the lock shell 11 and is in contact with the protective sleeve 162. The protective plate 17 is formed of a high-strength metal alloy and can be idled in the receiving chamber 112 to withstand a drilling operation transmitted from the direction of the key access hole 114, whereby the lock core device 10 can be rotated by the drilling operation. Can be prevented from being destroyed.

  The latch actuator 18 has a connecting portion 181 and an operating portion 182. The connecting portion 181 is fitted into the shaft hole 121 at the rear end of the inner shell 12. A holding pin 110 extends through the inner shell 12 to secure the connecting portion 181 in place. The connecting portion 181 is formed with a cavity 1811 for receiving the rotation control member 19 therein. A sleeve member 191 made of tetrafluoroethylene polymer is fitted in the cavity 1811. The sleeve member 191 has a fan-shaped end wall 1911. The drive projection 131 of the drive plate 13 is engaged with the end wall 1911, so that the rotation of the drive plate 13 is transmitted to the latch actuator 18. A molding hole 1912 is formed through the end wall 1911. Similar to the drive hole 132 of the drive plate 13, the forming hole 1912 has a shape of 3/4 of a circle.

  The rotation control member 19 includes a spring 192 and a control pin 193 disposed in the cavity 1811. The control pin 193 is biased toward the drive plate 13 by a spring 192. The control pin 193 has a front end that functions as a stopper end 1931, and the stopper end 1931 has the same cross-sectional area as the shape of the drive hole 132 and the molding hole 1912. The control pin 193 is further formed with an axially extending slot 1932 along its longitudinal direction. Further, the holding pin 110 extends through the slot 1932 in order to limit the movement of the control pin 193 in the axial direction.

  In this embodiment, the lock core device 10 is formed as a removable module that can be mounted in the padlock body 20. However, as will be appreciated by those skilled in the art, the lock core device 10 can be used in a wide variety of other applications, such as door locks, auxiliary locks, and other lock devices.

  3, 4, and 5, a padlock housing 21, two seal rings 22, a shackle member 23, a latch unit in the form of two catch members 24, a fixing member 25, a plug 26, and a fixing A padlock body 20 having a block 27 and a protective block 28 is shown.

  The padlock housing 21 has a substantially elliptical cross section, and has a core chamber 211 formed therein and a bottom portion in which an opening 2110 for accessing the core chamber 211 is formed. The lock core device 10 is received in the core chamber 211. The head end 111 of the lock shell 11 can make watertight contact with the bottom of the padlock housing 21 through the seal member 118. The end surface 113 of the lock shell 11 protrudes outward from the opening 2110 at the bottom of the padlock housing 21. Further, the padlock housing 21 has upper end portions in which right and left shackle holes 212 and 213 are formed. Two annular grooves 214 are formed in the hole forming walls for forming the shackle holes 212 and 213, adjacent to the opening ends of the shackle holes 212 and 213, respectively. In the shackle holes 212 and 213, the seal ring 22 is held on one side corresponding to the groove 214. A passage 215 is formed inside the padlock housing 21, and this passage 215 is disposed at the inner end of the left shackle hole 212 and extends toward the core chamber 211 in a direction perpendicular to the left shackle hole 212. ing. The padlock housing 21 has a screw hole 216 at the inner end of the right shackle hole 213. Further, inside the padlock housing 21, a sliding passage 217 is formed between the left and right shackle holes 212, 213 that extends perpendicularly to them and is disposed above the core chamber 211. A shackle retainer 210 is mounted in the padlock housing 21 adjacent to the left shackle hole 212, and the shackle retainer 210 has a portion extending into the left shackle hole 212.

  The shackle member 23 has a U shape and has a long insertion end and short insertion ends 231 and 232. In this embodiment, a long insertion end and a short insertion end 231, 232 are inserted into the shackle holes 212, 213, respectively, so that the long insertion end is inserted through the seal ring 22 in the shackle holes 212, 213. In addition, an airtight contact is made between the short insertion ends 231 and 232 and the padlock housing 21. Each of the long insertion end portion and the short insertion end portions 231 and 232 has a holding groove 233 formed therein. The long insertion end 231 is further formed with a linear groove 234 and an annular groove 235. The shackle retainer 210 extends into the straight groove 234 and into the annular groove 235 to prevent the shackle member 23 from coming off the padlock housing 21 when the shackle member 23 is best shown in FIG.

  The catch member 24 is disposed in the sliding passage 217. Each catch member 24 has an axial pin 241 for connecting to the operating portion 182 (see FIG. 1) of the latch actuator 18. When the correct key 30 is inserted into the lock core device 10 and the latch actuator 18 is rotated, the catch member 24 is engaged with the long insertion end portion of the shackle member 23 and the holding groove 233 of the short insertion end portions 231, 232, respectively. Or come out of the holding grooves 233.

  The fixing member 25 is disposed in the padlock housing 21 adjacent to the lock core device 10. The fixing member 25 has a nut 251 and a threaded rod 252. The nut 251 is incorporated in the padlock housing 21 for screwing with the threaded rod 252. The threaded rod 252 extends through the nut 251 and can be held against the lock core device 10 by being tightened to hold the lock core device 10 in the core chamber 211. The padlock housing 21 has an opening 218 that is aligned with the threaded rod 252. In order to prevent foreign objects from entering the padlock housing 21 through the opening 218, the opening 218 typically receives a plug 26 that serves to close the opening 218.

  The fixed block 27 is disposed in the passage 215. A curved guide surface 271 is formed on one side of the fixed block 27 adjacent to the left shackle hole 212. The long insertion end portion 231 of the shackle member 23 abuts against the guide surface 271 to urge the fixed block 27 and displace it toward the lock core device 10, thereby causing the fixed block 27 to move to the lock core device 10. 10 to hold the lock core device 10 in the core chamber 211. On the other side of the fixing block 27 adjacent to the core chamber 211, as best shown in FIG. 5, a protrusion 272 for engaging with the insertion groove 116 of the lock shell 11 of the lock core body 10 is formed. Yes.

  The protection block 28 is disposed in the right shackle hole 213 of the padlock housing 21 and has a height that complements the length of the short insertion end 232 of the shackle member 23. A fixing hole 281 aligned with the right shackle hole 213 is formed through the protection block 28. A screw 282 that is screwed into the screw hole 216 is inserted into the fixing hole 281, whereby the protective block 28 is detachably mounted in the padlock housing 21. The protection block 28 has an upper end portion provided with a flange 283 for supporting the catch member 24 on the right side of the padlock housing 21. The protection block 28 is formed of a hard metal alloy, and is disposed on the side of the lock core device 10 to withstand a drill work transmitted from the side, thereby causing the lock core device due to the drill work. 10 can be prevented from being destroyed.

  The above is a description of the main components of the weather-resistant locking device according to the present invention and the relative structural relationships and positions of these components. In the next paragraph, the locking and unlocking operations and the intended effects of this invention are described.

  Referring to FIG. 5, in the locked state, the long insertion end portion and the short insertion end portions 231 and 232 of the shackle member 23 are inserted into the shackle holes 212 and 213 of the padlock housing 21 and the catch member 24 of the latch unit. Is prevented from moving outward. The lock core device 10 is held in the padlock housing 21 by a fixing member 25 that abuts against the lock core device 10. Since the long insertion end 231 of the shackle member 23 blocks the threaded rod 252 of the fixing member 25, the threaded rod 252 cannot be loosened at this point, and therefore the lock core device 10 cannot be removed. It becomes. Further, since the lower end of the long insertion end 231 of the shackle member 23 urges the fixing member 27 and engages it with the insertion groove 116 on the side of the head end 111 of the lock shell 11, Thus, the lock core device 10 is securely held in the padlock housing 21.

  Referring to FIGS. 1 and 6, in the locked state, the drive plate 13 of the lock core device 10 is prevented from rotating by the control pin 193 of the rotation control member 19. The rotation control member 19 is mainly provided for maintaining the drive plate 13 in a non-rotatable state. Therefore, even when the locking device of the present invention is exposed to a strong external impact, the drive plate 13 is not vibrated and displaced, and the locked state of the lock core device 10 can be maintained.

  If it is desired to unlock the locking device of the present invention, the correct key 30 must be inserted into the keyhole of the lock core device 10. 1 and 8, the key bit portion 32 of the key 30 is used to bring the locking plate 14 into an unlocked state. In the unlocked state, the notches 141 of the locking plate 14 are aligned with each other, thereby causing the first control rod 123 to extend into the notch 141 of the locking plate 14 and disengage from the groove 119 of the lock shell 11. Can be made. Further, by inserting the operating tip 31 of the key 30 into the drive hole 132 of the drive plate 13, the control pin 193 is pressed against the biasing action of the spring 192 to be detached from the drive plate 13, thereby The drive plate 13 can be rotated together with the key 30 to the unlocked state. In this unlocked state, the second control rod 125 can extend into the notch 133 of the drive plate 13, thereby allowing the second control rod 125 to be detached from the groove 119 of the lock shell 11. it can. At this point, the inner shell 12 is no longer constrained by the first and second control rods 123, 125 and can rotate within the lock shell 11. When the drive plate 13 is rotated by the key 30, the drive protrusion 131 engages with the end wall 1911 of the sleeve member 191, whereby the rotation of the drive plate 13 is transmitted to the latch actuator 18.

  In FIG. 7, the key 30 can drive the locking plate 14 to its unlocked state, but the key 30 is provided with the correct operating tip 31 (see FIG. 1) for driving the drive blade 13 to rotate. Indicates no state. At this time, the inner shell 12 is prevented from rotating in the lock shell 11 by the second control rod 125. In order to be able to rotate the latch actuator 18, the two control rods 123 and 125 must be disposed in the unlocked position, so that the anti-theft effect of the locking device of the present invention is enhanced.

  Referring to FIG. 9, when the latch actuator 18 rotates as described above, each of the catch members 24 is shackled due to the coupling between the operating portion 182 (see FIG. 1) of the latch actuator 18 and the catch member 24. The long insertion end of the member 23 and the holding groove 233 of the short insertion end 231, 232 are separated from each other, so that the entire shackle member 23 can be pulled upward with respect to the padlock housing 21. At this time, the long insertion end 231 of the shackle member 23 is prevented from being completely pulled away from the left shackle hole 212 by the shackle retainer 210. In contrast, the short insertion end 232 can be completely removed from the right shackle hole 213. When the shackle member 23 is in the unlocked state, the long insertion end 231 no longer blocks the threaded rod 252 and the fixing member 27 is no longer biased towards the lock shell 11 by the long insertion end 231.

  In the unlocked state described above, the components of the locking device of the present invention can be disassembled in the following order.

  First, the plug 26 is removed, and a tool (not shown) such as a hex wrench is extended into the opening 218 to loosen the threaded rod 252. Thereafter, the lock core device 10 is removed from the core chamber 211 through the opening 2110 at the bottom of the padlock housing 21.

  After the lock core device 10 is removed, a tool (not shown) is extended into the right shackle hole 213 to loosen the screw 282 of the protective block 28 and remove the screw 282 from the screw hole 216. At this point, the protective block 28 can be removed from the padlock housing 21 through the opening 2110 at the bottom of the padlock housing 21.

  Thereafter, the catch member 24 can be removed from the padlock housing 21 through the opening 2110 at the bottom of the padlock housing 21.

  Thereafter, the shackle retainer 210 and the fixing block 27 can be removed from the padlock housing 21 through the opening 2110 at the bottom of the padlock housing 21.

  Finally, the shackle member 23 is removed from the padlock housing 21.

  Since all of the internal components of the locking device of the present invention can be removed, defective or damaged components can be conveniently removed, and the process reverse to the above-described process can be performed relatively easily. Replacement parts can be attached to the.

  Referring to FIG. 10, when the weatherproof locking device of the present invention is used in a wet or humid environment, water may accumulate on the upper end of the padlock housing 21 at the open end of the shackle hole. However, since the seal ring 22 that forms an airtight and watertight seal with the shackle member 23 is provided in the shackle hole, water cannot enter the padlock body 20 through the shackle hole, Rusting of components inside the padlock housing 21 is avoided. In addition, since water can be prevented from entering the padlock body 20, the internal components are frozen in a cold climate, and the normal operation of the locking device of the present invention is not affected.

  Referring to FIG. 11, when the weatherproof locking device of the present invention is exposed to a wet or humid environment, water may flow along the bottom of the padlock housing 21 and reach the lock core device 10. However, since the end surface 113 of the lock shell 11 of the lock core device 10 has a chamfered outer surface 115 that protrudes to the outside of the padlock housing 21, water does not accumulate there when it reaches the chamfered outer surface 115. And finally fall to the ground. Therefore, water can be prevented from entering the lock shell 11 and the lock core device 10 through the key access hole 114.

  Referring to FIG. 12, when the weatherproof locking device of the present invention is used in a dusty environment where wind is strong, fine sand particles 100 may enter the lock core device 10 through the key access hole 114. However, since the spacer plate 15 is formed of tetrafluoroethylene polymer and thus the spacer plate 15 is sufficiently softer than the locking plate 14 made of stainless steel, the sand particles 100 cause the locking plate 14 to rotate during operation. If it does, it will press-fit in the surface of the spacer plate 15, and it can prevent that the locking plate 14 stops by the presence of the sand particle 100 by this. That is, the locking plate 14 can rotate smoothly, so that the locking device of the present invention can function normally even in a dusty environment where the wind is strong. Similarly, as shown in FIG. 2, the drive plate 13 is disposed in contact with the tetrafluoroethylene polymer sleeve member 191, and the protection plate 17 is in contact with the tetrafluoroethylene polymer protection sleeve 162. Since they are arranged in a state, the internal components of the lock core device 10 can withstand sand and dust.

  FIG. 13 shows a second preferred embodiment of a weatherproof locking device according to the present invention, which is a modification of the previous embodiment. Similar to the previous embodiment, the lock core device 10, the two catch members 24, and the fixed block 27 are mounted in the padlock housing 21 '. The padlock housing 21 ′ has two shackle guards 211 ′ extending from the padlock housing 21 ′ to protect the shackle member 23 ′, and houses a protection block 28 ′ inside. The shackle member 23 ′ has two insertion end portions 231 ′ having the same length, and the fixing hole 281 ′ is modified to receive one insertion end portion 231 ′. Since the shackle retainer 210 (see FIG. 5) of the previous embodiment is not provided in the padlock housing 21 ', the shackle member 23' can be completely removed from the padlock housing 21 'in the unlocked state.

  Although the present invention has been described with respect to what are considered to be the most practical and preferred embodiments, the invention is not limited to the disclosed embodiments, and the various arrangements included within the broadest interpretation and scope Of course, so that all such variations and equivalent arrangements are intended to be encompassed.

1 is an exploded perspective view showing a lock core device and a key of a first preferred embodiment of a weatherproof locking device according to the present invention. It is sectional drawing of the assembly state of the lock core apparatus of FIG. FIG. 2 is a partially cutaway exploded perspective view of a first preferred embodiment showing the padlock body in an exploded state. 1 is a partially cut perspective view of a first preferred embodiment showing a lock core device when assembled to a padlock body. FIG. FIG. 3 is an assembled cross-sectional view of the first preferred embodiment showing the shackle member of the locked padlock body. FIG. 2 is a partial schematic cross-sectional view of the lock core device of FIG. 1 showing a method by which rotation of a drive plate can be prevented by a rotation control member. FIG. 1 shows a partial schematic of the lock core device of FIG. 1 showing how the lock plate can be prevented from being unlocked by the drive plate even when the lock plate of the lock core device can be rotationally driven by a key inserted therein. It is sectional drawing. FIG. 2 is a partial schematic cross-sectional view of the lock core device of FIG. 1 showing a method by which the lock core device can be unlocked using a key that can rotationally drive the locking plate and the drive plate. 1 is an assembled cross-sectional view of a first preferred embodiment showing a shackle member in an unlocked state. FIG. FIG. 3 is a partial schematic cross-sectional view of a first preferred embodiment showing an airtight contact between the shackle member and two seal rings of the padlock housing of the padlock body. 1 is a partially cut schematic view of a first preferred embodiment showing a method of preventing water from entering between a lock core device and a padlock housing. FIG. FIG. 2 is a partial schematic cross-sectional view of the lock core device of FIG. It is an assembly sectional view of other suitable embodiments of a weatherproof locking device concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Lock core apparatus 11 Lock shell 12 Inner shell 13 Drive plate 14 Locking plate 15 Spacer plate 16 Seal member 17 Protection plate 18 Latch actuator 19 Rotation control member 20 Padlock body 30 Key

Claims (23)

A weatherproof locking device comprising a lock core device having a lock shell and a lock core unit,
The lock core unit is
An inner shell received in the lock shell and rotatable relative to the lock shell;
A plurality of locking plates received in the inner shell and rotatable relative to the inner shell and cooperating to form a keyhole in the lock core unit;
By being operatively associated with the locking plate, the rotation of the inner shell relative to the lock shell is locked in the locked state of the locking plate, and the rotation of the inner shell relative to the lock shell in the unlocked state of the locking plate A first locking unit for releasing the locked state;
A latch actuator coupled to the inner shell;
A plurality of spacer plates each disposed between a pair of adjacent locking plates;
And the spacer plate is formed of a material having a lower hardness than the material of the locking plate.   The lock core unit further includes a drive plate received in the inner shell and rotatable with respect to the inner shell, the drive plate being disposed between the locking plate and the latch actuator. The keyhole is formed in cooperation with the locking plate, and the driving plate can transmit a rotational force applied via a correct key inserted in the keyhole to the latch actuator. Weatherproof locking device as described.   The drive plate is formed with a non-circular drive hole forming a part of the key hole, and the lock core unit further includes a rotation control member mounted on the latch actuator and aligned with the drive hole. The rotation control member extends into the drive hole of the drive plate and engages with the drive hole to prevent rotation of the drive plate, and when the correct key is inserted into the key hole, the drive The weatherable lock according to claim 2, wherein the weathering lock can be moved away from the plate, thereby allowing the drive plate to rotate with the correct key to rotate the latch actuator. apparatus.   The latch actuator has a coupling portion connected to the inner shell, and a cavity for receiving the rotation control member therein is formed in the coupling portion, and the latch actuator is fitted in the cavity. A sleeve member attached thereto, wherein the sleeve member has a fan-shaped end wall, the rotation control member extends through the end wall, and the drive plate includes the end of the sleeve member; The weatherproof locking device according to claim 3, wherein a driving protrusion is formed to engage with a wall and transmit rotation of the driving plate to the latch actuator.   The rotation control member includes a control pin that extends through the end wall and engages with the drive hole of the drive plate, and a spring that biases the control pin into the drive hole. The weatherproof locking device according to claim 4.   The control pin is formed with a slot extending in the longitudinal direction along the longitudinal direction, and the inner shell is provided with a holding pin extending through the connecting portion of the latch actuator and the slot of the control pin. 6. The weatherproof locking device according to claim 5, wherein this restricts axial movement of the control pin.   The lock core unit is operatively associated with the drive plate to lock the rotation of the inner shell relative to the lock shell in a locked state of the drive plate, and in the unlocked state of the drive plate, the lock shell unit The weather-resistant locking device according to claim 2, further comprising a second locking unit that releases a rotation lock state of the inner shell with respect to the inner shell.   The weatherproof locking device according to claim 1, wherein the spacer plate is formed of a tetrafluoroethylene polymer. A padlock body is further provided.
A core chamber is formed, and has a bottom portion having an opening for accessing the core chamber, the lock core device is received in the core chamber, and two shackle holes are further formed. A padlock housing having an upper end;
A shackle member having two insertion ends each inserted into the shackle hole;
The weatherproof locking device according to claim 1, comprising:   The padlock body further comprises a latch unit disposed within the padlock housing and coupled to the latch actuator for engaging with the insertion end of at least one of the shackle members. Weatherproof locking device as described.   The padlock body further includes two seal rings, each seal ring being held within a corresponding one of the shackle holes, thereby corresponding one of the insertion ends of the shackle member. The weatherproof locking device according to claim 9, wherein the weatherproof locking device is in airtight contact with one.   The weatherproof locking device according to claim 9, wherein the lock shell has an end surface formed with a key access hole that is accessible to the opening of the bottom of the padlock housing and is aligned with the key hole. .   The weatherproof locking device according to claim 12, wherein the end surface of the lock shell protrudes outward from the opening of the bottom portion of the padlock housing and has a chamfered outer surface.   The weather-resistant locking device according to claim 12, wherein the lock shell has an outer peripheral surface on which a seal member for watertight contact with the bottom is formed at an opening of the bottom of the padlock housing.   The lock core unit further includes a seal member adjacent to the key access hole, the seal member includes a seal ring fitted into the inner shell, and the lock core unit includes a tetrafluoroethylene An annular skirt having a protective sleeve formed by molecules, the protective sleeve being fitted into the lock shell and extending into the seal ring and engaging the seal ring The weatherproof locking device according to claim 12, wherein:   The lock core device is removable from the core chamber through the opening in the bottom of the padlock housing, the padlock body further includes a fixing member disposed in the padlock housing, A threaded rod capable of holding the lock core device in the core chamber by being screwed and tightened in the padlock housing and holding the lock core device in the core chamber; 10. The weatherproof locking device according to claim 9, wherein the weatherproof locking device allows removal of the lock core device from the core chamber through the opening in the bottom of the padlock housing.   17. The weatherproof locking device of claim 16, wherein the padlock housing is formed with an opening that is aligned with the threaded rod, and the padlock body further includes a plug for closing the opening.   The lock core device can be removed from the core chamber through the opening in the bottom of the padlock housing, and the padlock body is disposed within the padlock housing at one inner end of the shackle hole and the core A fixing block movable in a direction perpendicular to the one of the shackle holes so as to be away from the chamber; the fixing block having a curved guide surface; and the insertion end of the shackle member 10. The weather resistance according to claim 9, wherein one of the two is in contact with the curved guide surface, thereby pressing the fixed block against the lock core device to hold the lock core device in the core chamber. Sex lock device.   The weather-resistant locking device according to claim 18, wherein an insertion groove is formed in the lock shell, and the fixing block has a protrusion for engaging with the insertion groove.   The lock core device is detachable from the core chamber through the opening in the bottom of the padlock housing, and the padlock body is disposed within one of the shackle holes and with respect to the lock core device. 10. The weatherproofing of claim 9, further comprising a protective block that abuts, wherein the protective block can be removed through the opening in the bottom of the padlock housing after the lock core device is removed from the core chamber. Locking device.   The protection block is formed with a fixing hole that is aligned with one of the shackle holes, the padlock housing is formed with a screw hole that is aligned with the fixing hole, and the padlock body has the fixing hole. 21. The weatherproof locking device according to claim 20, further comprising a screw that is inserted through the screw hole and screwed into the screw hole to detachably mount the protection block in the padlock housing.   The weatherproof locking device according to claim 21, wherein the fixing hole of the protective block has a sufficient size to receive a corresponding one of the insertion ends of the shackle member.   The lock core device can be removed from the core chamber through the opening in the bottom of the padlock housing, and the padlock body has a shackle retainer mounted in the padlock housing adjacent to one of the shackle holes. Further, the shackle retainer is engaged with one of the insertion end portions of the shackle member to prevent the shackle member from coming off from the padlock housing, and the shackle retainer includes the padlock housing. 10. The shackle member of claim 9, wherein the shackle member can be removed from the padlock housing after removal of the lock core device from the core chamber through the opening in the bottom of the core chamber. Weatherproof locking device.

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