Operation device
By introducing the core bias projection and guiding surface connection mechanism into the crescent lock, the problems of full length change of the lock core and key interference are solved, and compact device design and efficient anti-theft management are achieved.
Patent Information
- Application Number
- CN202410594282.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-06-12
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-13
AI Technical Summary
When the existing crescent lock increases the number of coil springs to improve the anti-theft, the full length of the lock core becomes longer, resulting in too large the main body of the device and the front end of the key easily interferes, affecting operability.
An operating device is designed in which the lock core and the locking member are connected through a core bias projection and a guide surface. The front end of the key is stored on the core bias projection to prevent interference, and the rotation of the lock core is realized by sliding the lock plate to maintain the main body of the device compactness.
Without reducing the number of coil springs or cutting the front end of the key, the full length of the lock core is suppressed, the compactness of the operating device is maintained, and the anti-theft and ease of opening and closing management are improved.
Smart Images
Figure CN119122371A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to an operating device for doors and windows, such as a crescent lock or an operating handle installed on a window sash via a device body, in which an operating portion is movably arranged on a device body. Background Art
[0002] A crescent lock suitable for doors and windows such as sliding windows has been provided, and a lock core is provided in the main body of the device. That is, when the lock core is rotated in the locking direction when the crescent body is engaged with the locking position of the crescent body receiving member, the eccentric protrusion arranged on the bottom plate of the lock core is engaged with the locking member arranged on the main body of the device, and the locking member moves to the locking position and is in a state of being engaged with the crescent body. If the key is pulled out from this state, the lock core cannot be rotated in the unlocking direction, so the locking member will remain in the locking position, preventing the crescent body from moving to the unlocking position relative to the main body of the device. Thus, it is difficult to open the crescent lock by the operation of other people who do not have the key, and the situation that the window sash is accidentally opened can be prevented, which is advantageous in terms of anti-theft or the ease of opening and closing management. If the key is inserted from the above state, the lock core can be rotated in the unlocking direction, and the locking member moves to the unlocking position, thereby releasing the engagement state with the crescent body. Thus, the crescent body can be arranged in the unlocking position to open the window sash (for example, see patent document 1).
[0003] Patent Document 1: Japanese Patent Application Publication No. 2012-41725 ( Figure 5-Figure 7 ) Summary of the invention
[0004] On the other hand, in such operating devices, coil spring type lock cores are mostly used. That is, only when the key is inserted into the key insertion hole, the rotation of the lock core relative to the lock core receiving portion can be achieved by aligning the shear lines of the multiple coil springs between the key and the lock core receiving portion. In the operating device using this lock core, the number of coil springs is preferably as large as possible. That is, in the case where the number of coil springs is small, it is possible to unlock the lock without using a key due to the simplified structure. Furthermore, if the number of coil springs is small, it is difficult to ensure randomness among multiple lock cores, and there is a risk that multiple lock cores can be rotated with the same key. However, in the case where the number of coil springs is increased in consideration of these aspects, the total length of the lock core becomes longer, so that the device body of the operating device used is oversized, and therefore, the following problems may arise, such as only the height of the lock core receiving portion becomes higher, while the handle length is limited or the design is impaired.
[0005] In order to reduce the total length of the lock cylinder without reducing the number of coil springs, the bottom plate, which will be the deepest part, can be made thinner. However, in a lock cylinder with a small bottom plate thickness, the front end of the inserted key may penetrate the bottom plate and be exposed to the outside of the lock cylinder, and interfere with the locking component when the lock cylinder rotates. Therefore, in order to prevent interference with the protruding key and realize the linkage structure of the eccentric protrusion and the locking component, it is necessary to separate the linkage position of the eccentric protrusion and the locking component from the bottom plate by a sufficient distance, and as a result, it is still difficult to reduce the size of the device body.
[0006] By the way, if the tip of the key is cut off, it can be prevented from protruding from the bottom plate. In other words, the above problem may be solved by simply cutting off the tip of the key protruding from the bottom plate. However, inserting a key with a flat tip into the key insertion hole is extremely complicated, which may significantly reduce the operability.
[0007] In view of the above-mentioned actual situation, an object of the present invention is to provide an operating device which can reduce the total length of the lock cylinder without impairing operability, and maintain the anti-theft performance and the ease of opening and closing management.
[0008] In order to achieve the above-mentioned object, the operating device of the present invention comprises: an operating part, which is movably arranged on the device body; and a locking part, which is movably arranged on the device body, and when it is arranged in the unlocking position, allows the operating part to move relative to the device body, and when it is arranged in the locking position, it prevents the operating part from moving relative to the device body by engaging with the operating part. The device body is provided with: a lock core, which can rotate in a locking direction and an unlocking direction relative to the lock core storage part when the key is inserted from the front surface; and a linkage mechanism, which links the lock core and the locking part, and when the lock core rotates in the locking direction, the locking part moves to the locking position, and when the lock core rotates in the unlocking direction, the locking part moves to the unlocking position. The locking part moves between the locking position and the unlocking position by sliding relative to the device body. The linkage mechanism comprises: an eccentric protrusion provided on a bottom plate of the lock core; and a guide surface provided on the locking member, which is engaged with the peripheral surface of the eccentric protrusion to convert the rotation of the eccentric protrusion accompanying the rotation of the lock core into the sliding movement of the locking member. A key insertion hole is provided in the lock core in a state where the front end of the key is arranged on the eccentric protrusion.
[0009] According to the present invention, the front end of the key is accommodated in the eccentric protrusion that protrudes from the bottom plate of the lock core and engages with the guide surface of the locking member. Therefore, even when the bottom plate is thin, the front end of the key can be prevented from being exposed to the outside of the lock core. Therefore, the overall length of the lock core can be reduced without reducing the number of coil springs or cutting off the front end of the key, and there is no need to worry about the size of the device body being too large. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 1 is a diagram showing a state in which the operating device according to an embodiment of the present invention is arranged in the locked position and the locking member is arranged in the locked position, wherein: Figure 1 (a) is a view from the rear side. Figure 1 (b) is a longitudinal sectional view.
[0011] Figure 2 Yes means Figure 1 The operating device is configured in the locked position and the locking member is configured in the unlocked position, wherein: Figure 2 (a) is a view from the rear side. Figure 2 (b) is a longitudinal sectional view.
[0012] Figure 3 Yes means Figure 1 The operating device is configured in the unlocking position and the locking member is configured in the unlocking position, wherein: Figure 3 (a) is a view from the rear side. Figure 3 (b) is a longitudinal sectional view.
[0013] Figure 4 The previous surface is facing upwards and is applied to Figure 1 FIG. 1 shows a lock cylinder of an operating device, wherein: Figure 4 (a) is the main view, Figure 4 (b) is the left view, Figure 4 (c) is the right view, Figure 4 (d) is the rear view, Figure 4 (e) is a top view, Figure 4 (f) is the bottom view, Figure 4 (g) is Figure 4 (c) is a cross-sectional view taken along line X1-X1.
[0014] Figure 5 Observed from the rear Figure 1 FIG. 1 is a diagram of a lock cylinder storage portion of a device body of an operating device shown in FIG. 1 , wherein Figure 5 (a) is a diagram showing a state where the lock cylinder is stopped at the end of the unlocking direction. Figure 5 (b) is a diagram showing a state in which the lock cylinder is stopped at the end portion in the locking direction.
[0015] Figure 6 It means it is applied to Figure 1 FIG. 1 shows a lock cylinder of an operating device, wherein: Figure 6 (a) is a cross-sectional view before the key is inserted. Figure 6 (b) is a cross-sectional view of the state where the key has been inserted.
[0016] Figure 7 Yes means Figure 6 (a) shows a lock cylinder before the key is inserted, wherein Figure 7 (a) is a cross-sectional view of a portion between the flange portion and the groove, Figure 7 (b) is a cross-sectional view of the groove closest to the flange portion, Figure 7 (c) is a cross-sectional view of the next groove. Figure 7 (d) is a cross-sectional view of a groove equipped with a baffle.
[0017] Figure 8 Yes means Figure 6 (b) is a diagram of a lock cylinder in a state where a key has been inserted, wherein Figure 8 (a) is a cross-sectional view of a portion between the flange portion and the groove, Figure 8 (b) is a cross-sectional view of the groove closest to the flange portion, Figure 8 (c) is a cross-sectional view of the next groove. Figure 8 (d) is a cross-sectional view of a groove equipped with a baffle.
[0018] Fig. 9 Yes means Figure 1 FIG. 1 is a diagram showing the relationship between the rotational position of the lock cylinder and the locking component in the operating device shown in FIG. Fig. 9 (a) is a diagram showing a state where the lock cylinder is stopped at the end of the unlocking direction. Fig. 9 (b) is the lock cylinder from Fig. 9 The position of (a) is rotated about 45° counterclockwise. Fig. 9 (c) is the lock cylinder from Fig. 9 The position of (a) is rotated about 135° counterclockwise. Fig. 9 (d) is the lock core from Fig. 9 FIG. 1 is a diagram showing a state in which the position of (a) is rotated by about 180°.
[0019] Fig.10 is a diagram showing an operating device as a variation of the present invention, wherein: Fig.10 (a) is a view showing the locking member in the unlocked position as viewed from the rear side. Fig.10 (b) is a view showing a state where the locking member is arranged in the locking position as viewed from the rear side.
[0020] Explanation of symbols
[0021] 1, 101…device body, 1e…lock core storage portion, 1f…sliding hole, 10…crescent body, 11…crescent body main body, 12…support shaft, 13, 113…handle portion, 14, 114…anti-rotation plate, 14b, 120a…engaging protrusion, 14c…engaging surface, 20…locking plate, 21…abutting surface, 22…guide hole, 22b…left inner circumferential surface, 30, 130…lock core, 31, 131…key insertion hole, 33…bottom plate, 33a, 133a…eccentric protrusion, 40A, 40B…disc spring, K…key, Ka…front end portion, 114a…engaging recess, 120…locking component. DETAILED DESCRIPTION
[0022] Hereinafter, preferred embodiments of the operating device of the present invention will be described in detail with reference to the accompanying drawings.
[0023] Figure 1 to Figure 3 : is a diagram showing an operating device as an embodiment of the present invention. The operating device exemplified here is provided as a crescent lock arranged between the inner sash and the outer sash of the sliding window. Although not explicitly shown in the figure, the crescent lock is, for example, arranged on the depth surface of the longitudinal frame at the mating position of the inner sash, and is engaged with the crescent receiving portion (not shown) of the longitudinal frame arranged at the mating position of the outer sash, thereby preventing the movement of the inner sash and the outer sash, and the crescent lock has a device body 1. The device body 1 is installed on the depth surface of the mating frame that becomes the outer peripheral side, and is in the shape of a longitudinal rectangular parallelepiped with an open surface connected to the depth surface. In the following, for convenience, the upper and lower parts of the device body 1 are determined by the posture of being installed in the mating frame, and the open surface is referred to as the rear surface, and the opposite surface is referred to as the front surface for explanation.
[0024] In the example shown in the figure, the device body 1 is configured to include: a housing 1a formed of resin or metal, and a metal reinforcement member 1b disposed inside the housing 1a. In addition, the reinforcement member 1b is not necessarily required. The device body 1 is provided with a crescent body (operating portion) 10 on the front surface, and a locking plate (locking member) 20 is disposed inside.
[0025] The crescent body 10 is composed of: a crescent body main body 11 having a circular disc shape, and a support shaft 12 provided at the center of the crescent body main body 11, the support shaft 12 being perpendicular to the front surface of the device main body 1 and supported on the reinforcing member 1b of the device main body 1 in a state of being rotatable around the axis of the support shaft 12. The crescent body main body 11 is a part that is engaged with the crescent body receiving portion (not shown) of the outer window sash by rotating when the outer window sash and the inner window sash are respectively arranged in the closed position.
[0026] The crescent body 10 includes a handle portion 13 and an anti-rotation plate 14. The handle portion 13 extends radially from the crescent body main body 11 and rotates integrally with the crescent body main body 11. In the illustrated example, the handle portion 13 is provided in the following manner: when the crescent body main body 11 is engaged with the crescent body receiving portion (not shown), the handle portion 13 extends upward relative to the device main body 1, and when the engagement state between the crescent body main body 11 and the crescent body receiving portion (not shown) is released, the handle portion 13 extends downward relative to the device main body 1. The anti-rotation plate 14 is provided in a portion of the support shaft 12 located inside the device main body 1, is in the shape of a plate, and rotates integrally with the crescent body main body 11. The anti-rotation plate 14 is provided with a spring support portion 14a and an engaging protrusion 14b.
[0027] The spring support portion 14a is used to set the neutral spring 2 between it and the spring hanging portion 1c provided on the device body 1, and it protrudes to the rear side from the anti-rotation plate 14. In the example shown in the figure, if the operating device is configured in the locked position and viewed from the rear side, it is as shown in FIG. Figure 1 As shown in (a), when the handle 13 is extended upward relative to the device body 1, the spring support 14a is set at the nine o'clock position around the support shaft 12. The spring hanging portion 1c is set at the upper part relative to the spring support 14a. If the handle 13 is operated from this state to move the operating device to the unlocking position, the spring support 14a passes under the support shaft 12 by rotating in the counterclockwise direction, as shown in FIG. Figure 3 As shown in (a), when the handle 13 extends downward, the spring support 14a is arranged at the three o'clock position around the support shaft 12. Thus, based on the elastic force of the neutral spring 2, the handle 13 is always maintained in a state of extending upward or downward.
[0028] The engaging protrusion 14b protrudes to the rear side from the anti-rotation plate 14. More specifically, if the operating device is configured in the locked position and viewed from the rear side, as shown in FIG. Figure 1 As shown in (a), the engaging protrusion 14b is arranged between the spring support portion 14a arranged at the 9 o'clock position and the 6 o'clock position, and the engaging surface 14c substantially along the vertical direction is formed at the 6 o'clock position. When the handle portion 13 is operated, the engaging protrusion 14b also rotates together with the anti-rotation plate 14.
[0029] The locking plate 20 is disposed in a portion of the device body 1 that is lower than the anti-rotation plate 14. The locking plate 20 is plate-shaped and can slide up and down using the inner surfaces 1d of the two side walls of the device body 1 as guides. The locking plate 20 is provided with a contact surface 21 and a guide hole 22. The contact surface 21 is provided at the upper edge of the locking plate 20. When the handle portion 13 is in a state of extending upward and the locking plate 20 is moved upward and configured in the locking position, the contact surface 21 can contact the engaging surface 14c of the anti-rotation plate 14 to prevent the anti-rotation plate 14 from rotating in the counterclockwise direction. When the locking plate 20 moves downward relative to the device body 1 and is configured in the unlocking position, the engaging state between the anti-rotation plate 14 and the contact surface 21 is released, and the anti-rotation plate 14 can rotate in the counterclockwise direction relative to the device body 1. The guide hole 22 is a through hole through which an eccentric protrusion 33a of a lock core described later passes and engages with the eccentric protrusion 33a via an inner peripheral surface serving as a guide surface, and is provided at the lower portion of the lock plate 20. The detailed shape of the guide hole 22 will be described in detail later.
[0030] In addition, in the device body 1, a lock cylinder storage part 1e is provided at the lower part, and a lock cylinder 30 is provided in the lock cylinder storage part 1e. The lock cylinder storage part 1e forms a circular sliding hole 1f at the center, whose axis is substantially parallel to the axis of the support shaft 12 and penetrates from the front surface to the rear surface of the device body 1. Figures 4 to 9 As shown, the lock core 30 is cylindrical and has a flange portion 30a on the front surface side. The outer diameter of the flange portion 30a is formed to a size that can be inserted into the sliding hole 1f of the lock core storage portion 1e. The lock core 30 is rotatably arranged inside the sliding hole 1f in a state where the flange portion 30a is on the front surface side.
[0031] The lock core 30 is provided with a key insertion hole 31 and three grooves 32A, 32B, and 32C. The key insertion hole 31 is a through hole formed along the axial direction of the lock core 30 from the front surface of the lock core 30. The key K for locking and unlocking can be inserted into the key insertion hole 31 from the front surface of the lock core 30. In the example shown in the figure, the key insertion hole 31 is formed, and the key insertion hole 31 has an asymmetric cross-section with different widths on one side and the other side, and only the key K arranged in the correct direction can be inserted therein.
[0032] The grooves 32A, 32B, and 32C penetrate the lock core 30 in a direction perpendicular to the axis of the lock core 30, and are arranged side by side in parallel with each other in the axis direction of the lock core 30. Figure 7 , Figure 8As shown, the grooves 32A, 32B, and 32C are formed in the same shape as each other, and have a locking step portion 32a and a force-applying step portion 32b. The locking step portion 32a and the force-applying step portion 32b extend in a direction orthogonal to the extending direction of the grooves 32A, 32B, and 32C. The locking step portion 32a is provided so as to protrude toward one opening of the grooves 32A, 32B, and 32C (hereinafter referred to as the retreat side opening 32c when distinguished), and the force-applying step portion 32b is provided so as to protrude toward the other opening of the grooves 32A, 32B, and 32C (hereinafter referred to as the protruding side opening 32d when distinguished).
[0033] The two grooves 32A and 32B close to the flange portion 30a are provided with coil springs 40A and 40B, respectively, and the groove 32C far from the flange portion 30a is provided with a baffle 40C. The coil springs 40A and 40B and the baffle 40C are respectively in the shape of a flat plate of a size that can be accommodated in the grooves 32A, 32B, and 32C, and are arranged in the grooves 32A, 32B, and 32C in a state that they can slide along the extending direction of the grooves 32A, 32B, and 32C. The coil springs 40A and 40B and the baffle 40C are provided with a locking protrusion 40a and a force-applying protrusion 40b. The locking protrusion 40a is abutted against the locking step 32a of the grooves 32A, 32B, and 32C to limit the protruding positions of the ends of the coil springs 40A and 40B and the end of the baffle 40C from the peripheral surface of the lock cylinder 30 through the protruding side opening 32d. The urging protrusion 40b functions to maintain the coil springs 40A, 40B and the stopper 40C in the protruding positions by the urging force of an urging member (not shown) interposed between the urging protrusion 40b and the urging step portions 32b of the concave grooves 32A, 32B, 32C.
[0034] Key through holes 41, 42, 43 are provided in the coil springs 40A, 40B and the baffle plate 40C. When the key K is inserted from the front surface into the lock cylinder 30 through the key insertion hole 31, the key through holes 41, 42 formed in the coil springs 40A, 40B abut against the key slots k1, k2, so that the ends of the coil springs 40A, 40B are arranged at the storage positions stored in the grooves 32A, 32B against the force of the force-applying member. In the coil spring 40A close to the flange portion 30a and the coil spring 40B far from the flange portion 30a, the positions of the edge portions 41a, 42a of the key through holes 41, 42 close to the retreat side opening 32c are different from each other. Figure 6When a key K having a corresponding key profile is inserted, the two coil springs 40A and 40B are simultaneously arranged in the storage position. On the other hand, the key through hole 43 formed in the baffle plate 40C is for the key K inserted into the key insertion hole 31 to pass through, and its edge portion close to the retreat side opening 32c is in an open state. That is, no matter what kind of key K is inserted into the lock cylinder 30, the baffle plate 40C maintains a state in which the end portion protrudes from the peripheral surface of the lock cylinder 30.
[0035] Although not explicitly shown in the figure, a circular arc groove is provided in the portion of the sliding hole 1f of the lock core receiving portion 1e corresponding to the baffle 40C so that the lock core 30 can be allowed to rotate only within a range of 180° even when the end of the baffle 40C is protruding. In addition, a receiving groove is provided in the portion of the sliding hole 1f of the lock core receiving portion 1e opposite to the two coil springs 40A and 40B so as to receive the ends of the coil springs 40A and 40B only when the lock core 30 is located at the two ends of 180°.
[0036] In addition, in the lock cylinder 30, an eccentric protrusion 33a is provided on the rear end surface of the bottom plate 33 which is located on the rear side of the device body 1 more than the baffle 40C. The eccentric protrusion 33a is in the shape of a column having a substantially quadrilateral cross section, and is formed at a position including one end of the key insertion hole 31 in the rear end surface of the bottom plate 33. One end of the key insertion hole 31 is an end located at the front end Ka of the key K. That is, the key K inserted into the lock cylinder 30 is formed so that the front end of the insertion side is inclined to facilitate the insertion operation. The eccentric protrusion 33a is provided on the bottom plate 33 in such a manner that the end located at the front end side when the key K is inserted into the key insertion hole 31 in the correct direction. The protruding height of the eccentric protrusion 33a is formed to be such a size that the eccentric protrusion 33a can accommodate the front end Ka of the key K protruding from the rear surface of the bottom plate 33 when the key K is inserted to the key insertion hole 31 of the lock cylinder 30 to the deepest state. In the present embodiment, the thickness of the bottom plate 33 is made thinner to the extent that the front end Ka of the key K protrudes through the bottom plate 33 when the key K is inserted into the key insertion hole 31 of the lock cylinder 30, and the front end Ka of the key K protruding from the bottom plate 33 is accommodated in the key K hole provided in the eccentric protrusion 33a.
[0037] The outer dimensions of the eccentric protrusion 33a are configured so as to be inserted through the guide hole 22 of the lock plate 20, and to slide the lock plate 20 between the locked position and the unlocked position via the guide hole 22 when the lock cylinder 30 rotates. Fig. 9 As shown in (a), when the locking plate 20 is configured in the unlocking position, the lock core 30 is in a state where the key insertion hole 31 extends in the up-down direction and the eccentric protrusion 33a is located at the bottom. Fig. 9In (a), the eccentric protrusion 33a is abutted via the upper inner circumferential surface 22a and the left inner circumferential surface (locking side stop surface and unlocking side stop surface) 22b of the guide hole 22, and a gap is ensured between the lower inner circumferential surface 22c and the right inner circumferential surface 22d of the guide hole 22.
[0038] If the lock cylinder 30 is moved from this state Fig. 9 When the lock cylinder 30 is rotated in the counterclockwise direction (locking direction) in (a), the upper right corner of the eccentric protrusion 33a pushes the upper inner peripheral surface 22a of the guide hole 22, so that the locking plate 20 starts to slide upward. Fig. 9 (b) and Fig. 9 As shown in (c), the right side and lower right corner of the eccentric protrusion 33a contact the upper inner peripheral surface 22a of the guide hole 22 in sequence, so that the locking plate 20 continues to move upward, and finally when the lock core 30 rotates 180°, as shown in Fig. 9 As shown in (d), the locking plate 20 is in the locked position. At this time, the eccentric protrusion 33a is located at the upper part of the key insertion hole 31 extending in the vertical direction. Fig. 9 In (d), the lock cylinder 30 is in contact with the upper inner peripheral surface 22a and the left inner peripheral surface 22b of the guide hole 22. If the lock cylinder 30 is rotated in the clockwise direction (unlocking direction) from the above state, the eccentric protrusion 33a successively contacts the upper inner peripheral surface 22a of the guide hole 22, thereby returning to the state in which the lock cylinder 30 is locked. Fig. 9 The state shown in (a).
[0039] According to the crescent lock constructed as described above, if the key K is inserted into the lock core 30 and rotated in the locking direction while the crescent body 10 is engaged with the crescent body receiving portion (not shown), the locking plate 20 is arranged in the locking position, and the engaging surface 14c of the engaging protrusion 14b provided on the anti-rotation plate 14 and the abutting surface 21 of the locking plate 20 are in an opposing state. As a result, the crescent body 10 cannot be rotated in the unlocking direction, and the crescent lock can be maintained in a locked state. As described above, the rotation of the lock core 30 is allowed only when the corresponding key K is inserted. As a result, the outer window sash and the inner window sash cannot be opened by the operation of other people who do not have the key K, which is advantageous in terms of anti-theft and ease of opening and closing management.
[0040] If the key K is inserted into the lock cylinder 30 and rotated in the unlocking direction from the above state, the locking plate 20 moves to the unlocking position, and the opposing state between the engaging surface 14c of the anti-rotation plate 14 and the abutting surface 21 of the locking plate 20 is released. Thus, the crescent body 10 can be rotated in the unlocking direction, so that the outer window sash or the inner window sash can be opened.
[0041] During the above-mentioned operation, in the crescent lock, the front end Ka of the key K protruding from the rear surface of the bottom plate 33 is maintained in the key K hole disposed in the eccentric protrusion 33a, so that the thickness of the bottom plate 33 can be made thin without causing interference between the key K and the lock plate 20. Therefore, the overall length of the lock cylinder 30 can be suppressed without reducing the number of the coil springs 40A and 40B or cutting off the front end Ka of the key K, and there is no longer a concern about the size of the device body 1 being oversized.
[0042] Furthermore, the rotation of the lock core 30 is limited to 180 degrees by the eccentric protrusion 33a abutting against the left edge of the guide hole 22, so that the force applied to the baffle 40C is reduced or eliminated. Therefore, when the thickness of the baffle 40C is made small, there is no concern that the baffle 40C will be deformed, and the overall length of the lock core 30 can be suppressed.
[0043] In addition, in the above embodiment, a crescent lock is exemplified as an operating device, but as long as the operating portion is movably disposed on the device body, it can also be applied to other operating devices. In this case, the movement of the operating portion is not necessarily limited to rotation, for example, the operating portion may also move in a linear direction. The device body does not need to be composed of a resin shell and a metal reinforcement component. The rotation angle of the lock cylinder 30 does not need to be 180°, and the rotation direction of the lock cylinder 30 may also be opposite.
[0044] Furthermore, in the above-described embodiment, the key cylinder 30 including the two spiral springs 40A and 40B and the one stopper 40C is exemplified, but the number of spiral springs is not limited to two.
[0045] Furthermore, in the above-mentioned embodiment, the inner peripheral surface of the guide hole 22 in a quadrilateral shape is used as the guide surface for engaging with the eccentric protrusion 33a, but it is not necessarily limited to this. In addition, the locking member does not necessarily need to be a slidable flat plate-shaped locking plate 20. Figure 1 In the embodiment, the locking member is disposed on the lower side of the device body, and the anti-rotation plate is disposed on the upper side of the device body, but the locking member may be disposed on the upper side of the anti-rotation plate.
[0046] Furthermore, in the above-mentioned embodiment, the engaging protrusion 14b is provided on the anti-rotation plate 14, and the abutting surface 21 is provided on the locking plate 20, but the present invention is not limited thereto. Fig.10 As shown in the variation example, in the anti-rotation plate 114 that rotates integrally with the handle portion 113, a locking recess 114a is provided on a portion of the circumference centered on the rotation center, and a locking protrusion 120a that can be engaged with the anti-rotation plate 114 is provided on the locking member 120. Fig.10As shown in (a), when the lock member 120 is arranged in the unlocked position via the eccentric protrusion 133a by the rotation of the lock core 130, the engaging protrusion 120a is disengaged from the engaging recess 114a, so that the anti-rotation plate 114 can rotate integrally with the handle portion 113 relative to the device body 101. Fig.10 As shown in (b), when the lock member 120 is arranged in the locked position by the rotation of the lock core 130, the engaging protrusion 120a is engaged with the engaging recess 114a, so that the anti-rotation plate 114 and the handle 113 cannot be rotated relative to the device body 101. In this variation, the key insertion hole 131 is of course also formed at a position including the eccentric protrusion 133a.
[0047] As described above, the operating device of the present invention comprises: an operating portion movably arranged on the device body; and a locking member movably arranged on the device body, allowing the operating portion to move relative to the device body when the operating portion is arranged in the unlocking position, and preventing the operating portion from moving relative to the device body by engaging with the operating portion when the operating portion is arranged in the locking position. The device body is provided with: a lock core that can rotate in a locking direction and an unlocking direction relative to a lock core storage portion when a key is inserted from the front surface; and a linkage mechanism that links the lock core and the locking member, moving the locking member to the locking position when the lock core rotates in the locking direction, and moving the locking member to the unlocking position when the lock core rotates in the unlocking direction. The locking member moves between the locking position and the unlocking position by sliding relative to the device body. The linkage mechanism comprises: an eccentric protrusion provided on a bottom plate of the lock core; and a guide surface provided on the locking member, which is engaged with the peripheral surface of the eccentric protrusion to convert the rotation of the eccentric protrusion accompanying the rotation of the lock core into the sliding movement of the locking member. A key insertion hole is provided in the lock core in a state where the front end of the key is arranged on the eccentric protrusion.
[0048] According to the invention, the front end of the key is accommodated in an eccentric protrusion that protrudes from the bottom plate of the lock core and engages with the guide surface of the locking member. Therefore, even when the bottom plate is made thinner, the front end of the key can be prevented from being exposed to the outside of the lock core. Therefore, the overall length of the lock core can be reduced without reducing the number of coil springs or cutting off the front end of the key, and there is no need to worry about the size of the device body being too large.
[0049] In addition, the present invention is that, in the above-mentioned operating device, the guide surface is provided with: a locking side stop surface, which engages with the eccentric protrusion at the locking position when the lock core rotates toward the locking direction, thereby preventing the lock core from rotating in the same direction thereafter; and an unlocking side stop surface, which engages with the eccentric protrusion at the unlocking position when the lock core rotates toward the unlocking direction, thereby preventing the lock core from rotating in the same direction thereafter.
[0050] According to this invention, it is not necessary to separately provide a member for restricting the movement of the locking member, and thus the structure can be simplified.
[0051] In addition, the present invention is that, in the above-mentioned operating device, the locking side stop surface and the unlocking side stop surface are formed on the inner circumferential surface of a quadrilateral guide hole formed in the locking component, and the eccentric protrusion is formed with a prismatic cross-section, and is engaged with the locking side stop surface and the unlocking side stop surface via a side surface.
[0052] According to this invention, the rotation range of the lock cylinder is limited to 180 degrees by causing the eccentric protrusion to abut against the locking side stop surface and the unlocking side stop surface.
[0053] In addition, the present invention is that, in the above-mentioned operating device, the operating part is a crescent body rotatably arranged on the device body, and a locking protrusion is provided in the crescent body on a part of the circumference centered on the rotation center, and a contact surface is provided in the locking part, and when the locking part is arranged in the locking position, the contact surface is engaged with the locking protrusion.
[0054] According to this invention, the engagement projection is engaged with the abutment surface, thereby preventing the crescent from rotating relative to the device body.
Claims
1. An operating device comprising: an operating unit movably disposed on the device body; and A locking member is movably arranged on the device body, and when it is arranged in an unlocked position, the operating part is allowed to move relative to the device body, and when it is arranged in a locked position, the operating part is engaged with the operating part to prevent the operating part from moving relative to the device body. The operating device is characterized in that: The device body is provided with: a lock core, which can rotate in a locking direction and an unlocking direction relative to the lock core storage portion when a key is inserted from the front surface; and a linkage mechanism, which links the lock core and the locking component, so that when the lock core rotates in the locking direction, the locking component moves to the locking position, and when the lock core rotates in the unlocking direction, the locking component moves to the unlocking position. The locking member moves between the locking position and the unlocking position by sliding relative to the device body, The linkage mechanism comprises: an eccentric protrusion, which is provided on the bottom plate of the lock core; and a guide surface, which is provided on the locking member, and is engaged with the peripheral surface of the eccentric protrusion to convert the rotation of the eccentric protrusion accompanying the rotation of the lock core into the sliding movement of the locking member. The key cylinder is provided with a key insertion hole in a state where the tip end portion of the key is arranged on the eccentric protrusion.
2. The operating device according to claim 1, characterized in that: The guide surface is provided with: A locking side stop surface, which engages with the eccentric protrusion at the locking position when the lock core rotates in the locking direction, thereby preventing the lock core from rotating in the same direction thereafter; as well as The unlocking side stop surface engages with the eccentric protrusion at the unlocking position when the lock core rotates in the unlocking direction, thereby preventing the lock core from rotating in the same direction thereafter.
3. The operating device according to claim 2, characterized in that: The locking side stop surface and the unlocking side stop surface are formed on the inner circumference of a quadrilateral guide hole formed in the locking member. The eccentric protrusion is formed to have a prism-shaped cross section and is engaged with the locking side stop surface and the unlocking side stop surface via one side surface.
4. The operating device according to claim 1, characterized in that: The device body is provided with an anti-rotation plate, and the anti-rotation plate rotates as the operating part is operated. The anti-rotation plate is provided with an engaging protrusion on a portion of a circumference centered on the rotation center. The locking component is provided with an abutment surface, and when the locking component is arranged at the locking position, the abutment surface is engaged with the engaging protrusion.
5. The operating device according to claim 1, characterized in that: The device body is provided with an anti-rotation plate, and the anti-rotation plate rotates as the operating part is operated. The anti-rotation plate is provided with an engaging recessed portion on a portion of a circumference centered on the rotation center. The locking member is provided with an engaging protrusion, and when the locking member is arranged at the locking position, the engaging protrusion is engaged with the engaging recess.