External lock and escape lock

Abstract

The utility model discloses an exterior lock and escape lock, wherein the exterior lock comprises: a handle device comprising a handle and a clutch mechanism, the clutch mechanism comprises a locking piece, the locking piece has a first state and a second state, in the first state, the clutch mechanism can connect the handle with a square shaft in a transmission manner, and in the second state, the clutch mechanism releases the transmission; the control device comprises a first swing arm, a second swing arm and an electromagnetic cylinder, the electromagnetic cylinder is connected with and drives the first swing arm to swing, the first swing arm drives the second swing arm to swing, the second swing arm is provided with a transmission part, and the transmission part is used for driving the locking piece to move; the first swing arm is provided with a transmission end and a first installation part, a second installation part is arranged between the transmission end and the first installation part, and the joint of the electromagnetic cylinder and the first swing arm is located between the first installation part and the second installation part. According to the external lock and the escape lock, functions can be switched according to use scenes, and use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of door lock structure, in particular to an external lock and escape lock. BACKGROUND

[0002] A patent document is disclosed in the prior art, the authorized announcement day of the patent document is April 16, 2024, the application number is CN202322397456.3, and the utility model name is a door lock device.

[0003] In the patent document, the electromagnetic cylinder drives the locking piece to move, when the locking piece is inserted into the stop groove, the driven part where the stop groove is located is locked, the handle fixed with the stop piece cannot rotate, so the door cannot be opened, and when the locking piece is separated from the stop groove, the handle is no longer prevented from rotating, and the door is not affected.

[0004] However, the above structure has single function, which is difficult to meet the needs of multiple scene use. UTILITY MODEL CONTENTS

[0005] The utility model aims at at least solving one of the technical problems existing in the prior art. Therefore, the utility model provides an external lock, which can switch functions according to use scenes and meet use needs.

[0006] The utility model also provides an external lock and escape lock with the above external lock and escape lock.

[0007] According to the external lock of the first aspect embodiment of the utility model, the square shaft is rotated to open and close the lock, and the external lock comprises:

[0008] The handle device comprises a handle and a clutch mechanism, the clutch mechanism comprises a locking piece, the locking piece has a first state and a second state, in the first state, the clutch mechanism can drive the handle and the square shaft, and in the second state, the clutch mechanism is disconnected;

[0009] The control device comprises a first swing arm, a second swing arm and an electromagnetic cylinder, the electromagnetic cylinder is connected with and drives the first swing arm to swing, the first swing arm drives the second swing arm to swing, the second swing arm is provided with a transmission part, the transmission part is used to drive the locking piece to move, so that the locking piece is switched between the first state and the second state;

[0010] The first swing arm has a transmission end and a first mounting part, a second mounting part is arranged between the transmission end and the first mounting part, the connection position of the electromagnetic cylinder and the first swing arm is between the first mounting part and the second mounting part, and the first swing arm is installed through the first mounting part or the second mounting part, so as to switch the function of the external lock.

[0011] The external lock according to the embodiment of the utility model has at least the following beneficial effects:

[0012] The utility model discloses a first swing arm is installed by selecting first installation part or second installation part, and thus, when the electromagnetic cylinder is powered off, the swing direction of the transmission end of the second swing arm is different, and thus, according to the use scene, the function of power-off opening or power-off closing can be realized, and the use needs are satisfied.

[0013] Meanwhile, the connection position of the second swing arm and the electromagnetic cylinder does not change, the change of the external lock is little, and the external lock is easy to be universal.

[0014] The utility model discloses an external lock and escape lock have the beneficial effect described above.

[0015] The external lock according to the first aspect embodiment of the utility model, the first swing arm is located between the electromagnetic cylinder and the second swing arm, the free end of the second swing arm has the side recess portion of accommodating the transmission end, the opening direction of the side recess portion is towards the other end of the second swing arm, the side recess portion is installed with the press spring, and the press spring is pressed to the transmission end inside the side recess portion and is away from the inside wall of the second swing arm.

[0016] The external lock according to the first aspect embodiment of the utility model, the second swing arm is away from the side recess portion and is installed with the limiting piece, the shell of the external lock is provided with the limiting cavity of accommodating the limiting piece, and the limiting cavity and the limiting piece cooperate to limit the swing range of the second swing arm.

[0017] The external lock according to the first aspect embodiment of the utility model, the clutch mechanism includes the first transmission part connected with the handle, the second transmission part connected with the square shaft, the first transmission part and the second transmission part are rotationally connected with the axis of the square shaft as the center, the locking piece is radially slidably connected with one of the first transmission part and the second transmission part, and the locking piece can be radially clamped with the other one of the first transmission part and the second transmission part, so that the first transmission part and the second transmission part are relatively fixed to drive.

[0018] The external lock according to the first aspect embodiment of the utility model, the first transmission part includes the first shell piece and the second shell piece, the first shell piece and the second shell piece are connected by bolts, the second transmission part is arranged between the first shell piece and the second shell piece, the second transmission part is provided with a radial opening, and the first shell piece, the second shell piece and the radial opening cooperate to form a space for accommodating the radial sliding of the locking piece.

[0019] According to the external lock of the first aspect of the present application, the first shell is connected with the handle, the second shell is provided with a center hole, the second transmission member is provided with a center tube penetrating through the center hole, the outer surface of the center tube matches the inner surface of the center hole, and the inner side of the center tube matches the outer surface of the square shaft.

[0020] According to the external lock of the first aspect of the present application, the locking member has an outer limiting block and an inner limiting block, and the outer limiting block and the inner limiting block are used to limit the sliding stroke of the locking member.

[0021] According to the external lock of the first aspect of the present application, the locking member is in sliding connection with the second transmission member, the first transmission member is provided with a center cavity, the center cavity is used to accommodate the inner limiting block, the side wall of the center cavity is provided with a limiting recess, when the inner limiting block is clamped into the limiting recess, the first transmission member and the second transmission member are relatively fixed.

[0022] According to the external lock of the first aspect of the present application, the transmission part includes a transmission pin, and the locking member is provided with an arc groove accommodating the transmission pin.

[0023] According to the escape lock of the second aspect of the present application, the external lock is any one of the above.

[0024] Additional aspects and advantages of the present application will be given in part in the following description, and part will become apparent from the following description, or be understood by those skilled in the art through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0026] Figure 1 It is the internal structure schematic diagram of the external lock of the escape lock of the embodiment of the present application.

[0027] Figure 2 It is Figure 1 The structure schematic diagram of the key component of the external lock.

[0028] Figure 3 It is Figure 1 The structure schematic diagram of the clutch mechanism of the external lock.

[0029] Reference signs: 100 - handle, 110 - locking member, 120 - first swing arm, 130 - second swing arm, 140 - electromagnetic cylinder, 150 - transmission part, 160 - transmission end, 170 - first mounting part, 180 - second mounting part, 190 - side recess, 200 - limiting member, 210 - first transmission member, 220 - second transmission member, 230 - first shell member, 240 - second shell member, 250 - radial opening, 260 - center hole, 270 - center tube, 280 - outer limiting block, 290 - inner limiting block, 300 - center recess, 310 - limiting recess, 320 - circular arc groove. DETAILED DESCRIPTION

[0030] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0031] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0032] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If the first and the second are described, this is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.

[0033] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting, connection and connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The external lock and escape lock according to the embodiments of the present application are described below in conjunction with the drawings.

[0035] The present application aims to provide an embodiment of an escape lock.

[0036] Referring to Figures 1 to 3 , focused, the utility model aims at providing an embodiment of an external lock of an escape lock, which can switch functions according to use scenarios and meet use needs.

[0037] The external lock of the utility model can realize the function of opening or closing in the case of power failure, can switch functions according to use scenarios, and can be connected with an intelligent access control system. Remote control of opening or closing a door is possible, and a local card swiping mode can be used to enter a room, or the external lock can be used in cooperation with an escape door lock.

[0038] Therefore, in use, the external lock of the embodiment can also be applied to other door locks.

[0039] In the embodiment, the external lock comprises a square shaft, which is rotated to open or close a lock, so that a door can be opened or closed.

[0040] For the structure of the square shaft being rotated to drive a lock tongue, reference can be made to the prior art for understanding, and the clarity and integrity of the present scheme are not affected.

[0041] In the embodiment, the external lock mainly comprises a handle 100 device and a control device.

[0042] The handle 100 device comprises a handle 100 and a clutch mechanism, the clutch mechanism comprises a locking piece 110, the locking piece 110 has a first state and a second state, in the first state, the clutch mechanism can drive connection between the handle 100 and the square shaft, when the second state, the clutch mechanism removes the drive.

[0043] Specifically, the clutch mechanism comprises a first transmission member 210 connected with the handle 100 and a second transmission member 220 connected with the square shaft, the first transmission member 210 and the second transmission member 220 are rotationally connected with the axis of the square shaft as the center, the locking piece 110 is radially slidably connected with one of the first transmission member 210 and the second transmission member 220, and the locking piece 110 can be radially clamped with the other one of the first transmission member 210 and the second transmission member 220, so that the first transmission member 210 and the second transmission member 220 are relatively fixed to drive.

[0044] In some specific embodiments of the utility model, the locking piece 110 can be slidably connected with the second transmission member 220, and the locking piece 110 can be clamped with the first transmission member 210.

[0045] Thus, when the locking piece 110 is clamped with the first transmission member 210, the first transmission member 210 and the second transmission member 220 form a key groove transmission connection, and then, rotating the handle 100 can drive the first transmission member 210 to rotate the second transmission member 220, and the second transmission member 220 drives the square shaft to rotate to unlock.

[0046] When the locking piece 110 slides to be separated from the first transmission member 210, rotating the handle 100 only drives the first transmission member 210 to rotate, and the power is not transmitted to the second transmission member 220, so that the second transmission member 220 is not driven to rotate, and the square shaft is not driven to rotate, so that the door lock remains closed.

[0047] The first transmission member 210 and the second transmission member 220 are rotatably connected with the axis of the square shaft as the center, which facilitates transmission and avoids deflection, and is beneficial to make the external lock structure compact and occupy small space.

[0048] The locking piece 110 is radially slidably connected with one of the first transmission member 210 and the second transmission member 220, and the locking piece 110 can be radially clamped with the other of the first transmission member 210 and the second transmission member 220, that is, the connection relationship between the locking piece 110 and the first transmission member 210 and the second transmission member 220 can be exchanged, which has the same effect, but the manufacturing cost and the arrangement need to be considered.

[0049] In some specific embodiments of the utility model, the first transmission member 210 can include a first shell member 230 and a second shell member 240, the first shell member 230 and the second shell member 240 are connected by bolts, the second transmission member 220 is arranged between the first shell member 230 and the second shell member 240, the second transmission member 220 is provided with a radial opening 250, and the first shell member 230, the second shell member 240 and the radial opening 250 cooperate to form a space for radially sliding the locking piece 110.

[0050] It is easy to understand that the first shell member 230 and the second shell member 240 are arranged to facilitate the formation of the space for radially sliding the locking piece 110, simplify the structure and reduce the manufacturing cost.

[0051] In some specific embodiments of the utility model, the first shell member 230 can be connected with the handle 100, the second shell member 240 is provided with a center hole 260, the second transmission member 220 is provided with a center tube 270 penetrating through the center hole 260, the outer surface of the center tube 270 matches the inner surface of the center hole 260, and the inner side of the center tube 270 matches the outer surface of the square shaft.

[0052] It is easy to understand that the embodiment can conveniently define the movement space of the locking member 110, conveniently connect the handle 100, and realize the rotation connection with the second transmission member 220 by arranging the first shell member 230 and the second shell member 240, thereby reducing the manufacturing difficulty and cost.

[0053] In some specific embodiments of the utility model, the locking member 110 can be provided with an outer limiting block 280 and an inner limiting block 290, and the outer limiting block 280 and the inner limiting block 290 are used to limit the sliding stroke of the locking member 110.

[0054] It is easy to understand that the outer limiting block 280 can avoid the locking member 110 from excessively approaching the center line of the square shaft to separate the locking member 110 from the control device, thereby avoiding the control failure of the control device.

[0055] In some specific embodiments of the utility model, the locking member 110 is in sliding connection with the second transmission member 220, the first transmission member 210 is provided with a central concave cavity 300, the central concave cavity 300 is used to accommodate the inner limiting block 290, the side wall of the central concave cavity 300 is provided with a limiting recess 310, when the inner limiting block 290 is clamped into the limiting recess 310, the first transmission member 210 and the second transmission member 220 are relatively fixed.

[0056] It is easy to understand that the central concave cavity 300 is arranged, the side wall of the central concave cavity 300 is provided with the limiting recess 310, and thus when the inner limiting block 290 is located in the central concave cavity 300, the inner limiting block 290 cannot touch the first transmission member 210 and cannot transmit power to the second transmission member 220, so that the first transmission member 210 and the second transmission member 220 cannot be synchronously rotated, and at the same time, the locking member 110 cannot be separated from the first transmission member 210 and the second transmission member 220, thereby ensuring that the locking member 110 can normally work.

[0057] When the inner limiting block 290 is located in the limiting recess 310, the effect of approximate key groove cooperation is formed, and thus the first transmission member 210 can drive the second transmission member 220 to rotate to meet the opening and closing locking requirement.

[0058] For the control device, refer to Figure 2 and Figure 3 The control device comprises a first swing arm 120, a second swing arm 130 and an electromagnetic cylinder 140, the electromagnetic cylinder 140 is connected and drives the first swing arm 120 to swing, the first swing arm 120 drives the second swing arm 130 to swing, the second swing arm 130 is provided with a transmission part 150, the transmission part 150 is used to drive the locking member 110 to move, so that the locking member 110 is switched between the first state and the second state.

[0059] Further, the first swing arm 120 has a transmission end 160 and a first mounting portion 170, a second mounting portion 180 is arranged between the transmission end 160 and the first mounting portion 170, the connection position of the electromagnetic cylinder 140 and the first swing arm 120 is between the first mounting portion 170 and the second mounting portion 180, and the first swing arm 120 is mounted through the first mounting portion 170 or the second mounting portion 180 to switch the function of the external lock.

[0060] In some specific embodiments of the utility model, the first mounting portion 170 and the second mounting portion 180 can be mounting holes to simplify the structure of the first swing arm 120 and reduce the manufacturing difficulty.

[0061] It is easy to understand that the first swing arm 120 is mounted through the selection of the first mounting portion 170 or the second mounting portion 180, so that the swing direction of the transmission end 160 of the second swing arm 130 is different when the electromagnetic cylinder 140 is powered off, and thus the power-off opening or power-off closing function can be realized according to the use scene to meet the use needs.

[0062] Meanwhile, the connection position of the second swing arm 130 and the electromagnetic cylinder 140 does not change, and the external lock is less changed and easy to be universal.

[0063] In some specific embodiments of the utility model, the first swing arm 120 can be located between the electromagnetic cylinder 140 and the second swing arm 130, the free end of the second swing arm 130 has a side recess portion 190 accommodating the transmission end 160, the opening direction of the side recess portion 190 is towards the other end of the second swing arm 130, a pressing spring is mounted on the side recess portion 190, and the pressing spring presses the transmission end 160 towards the inside of the side recess portion 190 away from the inside wall of the second swing arm 130.

[0064] It is easy to understand that the first swing arm 120 is located between the electromagnetic cylinder 140 and the second swing arm 130, which also reduces the occupied space and makes the external size of the external lock less affected.

[0065] It is easy to understand that the side recess portion 190 is arranged, which also facilitates the swing of the second swing arm 130 driven by the first swing arm 120, and since the pressing spring is arranged, the first swing arm 120 can also drive the second swing arm 130 to swing in the opposite direction, and it is helpful to reduce the gap between the transmission end 160 and the side recess portion 190 to make the transmission reliable.

[0066] In some specific embodiments of the utility model, can make the second swing arm 130 away from the side recess 190 one clamping installation limiting piece 200, the outer lock shell is provided with containing the limiting piece 200 limiting cavity, the limiting cavity and the limiting piece 200 cooperation defines the swing range of second swing arm 130.

[0067] It is easy to understand that the embodiment can limit the swing range of the second swing arm 130 by setting the limiting piece 200, avoiding the second swing arm 130 out of position and affecting the normal work of the lock.

[0068] In some specific embodiments of the utility model, the second swing arm 130 can be provided with two buckle strips in the direction of its own rotation axis to connect the limiting piece 200 and simplify the installation.

[0069] In some specific embodiments of the utility model, the transmission part 150 can include a transmission pin, and the locking piece 110 is provided with an arc groove 320 containing the transmission pin.

[0070] It is easy to understand that the embodiment can change the connection position of the transmission part 150 and the locking piece 110 by setting the transmission pin and the arc groove 320, while not affecting the cooperation between them, reducing the requirement for the cooperation of the first transmission piece 210 and the second transmission piece 220, and improving the reliability.

[0071] In the description of the present application, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples as appropriate.

[0072] The terms "first, second, third, fourth" and the like (if any) in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0073] It should be noted that in the description of the present application, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations.

[0074] Furthermore, the term "comprising" and "including" and any of their derivatives, are intended to be taken in a non-exclusive way, such that reference to a process, method, system, product or device that comprises one step or unit does not exclude the presence of other steps or units, even if these are not explicitly defined.

[0075] Also, the terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0076] The above detailed description of the embodiments of the present application has been made in conjunction with the accompanying drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. An external lock comprising a square shaft which is rotated to open and close the lock, characterized in that: The exterior lock comprises: A handle (100) device comprises a handle (100) and a clutch mechanism, wherein the clutch mechanism comprises a locking member (110), and the locking member (110) has a first state and a second state. In the first state, the clutch mechanism can drive the handle (100) to the square shaft, and in the second state, the clutch mechanism releases the drive. A control device comprises a first swing arm (120), a second swing arm (130) and an electromagnetic cylinder (140), wherein the electromagnetic cylinder (140) is connected to and drives the first swing arm (120) to swing, the first swing arm (120) drives the second swing arm (130) to swing, and the second swing arm (130) is provided with a transmission part (150), and the transmission part (150) is used to drive the locking member (110) to move, so that the locking member (110) switches between the first state and the second state; The first swing arm (120) has a transmission end (160) and a first mounting portion (170), a second mounting portion (180) is provided between the transmission end (160) and the first mounting portion (170), a connection between the electromagnetic cylinder (140) and the first swing arm (120) is located between the first mounting portion (170) and the second mounting portion (180), and the first swing arm (120) is installed via the first mounting portion (170) or the second mounting portion (180) to switch the function of the external lock.

2. The exterior lock according to claim 1, characterized in that: The first swing arm (120) is located between the electromagnetic cylinder (140) and the second swing arm (130); the free end of the second swing arm (130) has a side recess (190) for accommodating the transmission end (160); the opening direction of the side recess (190) is toward the other end of the second swing arm (130); the side recess (190) is installed with a pressing spring, and the pressing spring presses the transmission end (160) toward the inner side of the side recess (190) away from the inner side wall of the second swing arm (130).

3. The exterior lock according to claim 2, characterized in that: The second swing arm (130) is connected to a limit member (200) away from the side recess (190), and the housing of the external lock is provided with a limit cavity for accommodating the limit member (200). The limit cavity and the limit member (200) cooperate to limit the swing range of the second swing arm (130).

4. The exterior lock according to claim 1, characterized in that: The clutch mechanism includes a first transmission member (210) connected to the handle (100) and a second transmission member (220) connected to the square shaft. The first transmission member (210) and the second transmission member (220) are rotatably connected with the axis of the square shaft as the center. The locking member (110) is radially slidably connected to one of the first transmission member (210) and the second transmission member (220). The locking member (110) can be radially engaged with the other of the first transmission member (210) and the second transmission member (220) so that the first transmission member (210) and the second transmission member (220) are relatively fixed for transmission.

5. The exterior lock according to claim 4, characterized in that: The first transmission member (210) includes a first shell member (230) and a second shell member (240), the first shell member (230) and the second shell member (240) are connected by bolts, the second transmission member (220) is arranged between the first shell member (230) and the second shell member (240), the second transmission member (220) is provided with a radial opening (250), and the first shell member (230), the second shell member (240) and the radial opening (250) cooperate to form a space for accommodating the radial sliding of the locking member (110).

6. The exterior lock according to claim 5, characterized in that: The first shell (230) is connected to the handle (100), the second shell (240) is provided with a center hole (260), and the second transmission member (220) is provided with a center tube (270) passing through the center hole (260), the outer surface of the center tube (270) matches the inner surface of the center hole (260), and the inner side of the center tube (270) matches the outer surface of the square shaft.

7. The exterior lock according to claim 4, characterized in that: The locking member (110) has an outer limiting block (280) and an inner limiting block (290), and the outer limiting block (280) and the inner limiting block (290) are used to limit the sliding stroke of the locking member (110).

8. The exterior lock according to claim 7, characterized in that: The locking member (110) is slidably connected to the second transmission member (220); the first transmission member (210) is provided with a central concave cavity (300); the central concave cavity (300) is used to accommodate the inner limit block (290); a limit recess (310) is provided on the side wall of the central concave cavity (300); when the inner limit block (290) is engaged with the limit recess (310), the first transmission member (210) and the second transmission member (220) are relatively fixed.

9. The exterior lock according to claim 1, characterized in that: The transmission part (150) includes a transmission pin, and the locking member (110) is provided with an arc groove (320) for accommodating the transmission pin.

10. Escape lock, characterized in that, Including the exterior lock according to any one of claims 1 to 9.

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