Split type quick-opening linkage lock and safety door
Through mechanical structure design, the synchronous retraction of the square latch and the oblique latch is achieved, which solves the problems of inconvenience and scratches in the use of locks under electronic control, improves convenience and reduces power consumption.
Patent Information
- Application Number
- CN202422975092.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In existing electronically controlled locks, there is a time lag in the retraction of the bolts of both square and oblique bolt locks, which may cause the square bolt to rub against the door frame latch plate and make it inconvenient to use.
The system employs a combination of a push component, a square tongue locking rotating component, and a linkage component. The diameter of the half gear is larger than that of the first spur gear. Through a mechanical structure, the square tongue locking and the oblique tongue locking are retracted synchronously, and the mechanical structure enables one-button quick opening.
It improves ease of use, avoids the problem of sharp square latches scratching the door frame latches, and reduces power consumption.
Smart Images
Figure CN223634477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lockset, specifically, relates to a split type quick opening linkage lockset and safety door. BACKGROUND
[0002] The existing lockset generally has a square tongue lock and a latch lock, and the square tongue lock and the latch lock are two separate modules and are controlled to operate by different control elements. In the related art, when the lock is controlled by an electronic method, the retraction of the lock tongue of the square tongue lock lags behind the retraction of the lock tongue of the latch lock by a certain time, which can cause the lock tongue of the latch lock to have been completely retracted, and the lock tongue of the square tongue lock can be scraped against the door frame buckle, so that the motor cannot retract the lock tongue of the square tongue lock. SUMMARY
[0003] The utility model embodiment aims to provide a split type quick opening linkage lockset and safety door to solve the above problems. The utility model embodiment realizes the above purpose through the following technical scheme.
[0004] In a first aspect, the utility model provides a split type quick opening linkage lockset, which comprises:
[0005] A lock housing, a handle and a rotary knob are rotatably installed on the lock housing, wherein the handle is in transmission connection with a latch lock, and the rotary knob is in transmission connection with a square tongue lock;
[0006] A pushing assembly, which is rotatably installed in the lock housing and connected with a rotating cylinder of the handle;
[0007] A square tongue lock rotating assembly, which is installed in the lock housing and in transmission connection with a latch of the rotary knob; and
[0008] A linkage assembly, which is arranged in the lock housing and comprises a half gear rotatably installed on an inner wall of the lock housing and a lifting push plate slidably installed on the inner wall of the lock housing, a first abutting block is fixed on a surface of the half gear, the first abutting block is arranged on a sliding path of the lifting push plate, and the first abutting block is in abutment with a side of the lifting push plate away from the pushing assembly, a first straight gear engaged with the half gear is fixed on an outer side of the square tongue lock rotating assembly, and the diameter of the half gear is greater than the diameter of the first straight gear.
[0009] In an embodiment, the half gear has a diameter of D1, the first spur gear has a diameter of D2, wherein D1 / D2≥2; and / or, the number of the first abutting blocks is two, and the side of the lifting push plate away from the push assembly is provided with two push portions, and the two push portions correspond to the two first abutting blocks respectively.
[0010] In an embodiment, the push assembly comprises a mounting cylinder seat fixedly arranged on the inner wall of the lock housing, the mounting cylinder seat is provided with a rotating plate through a torsion spring, the rotating plate is fixedly provided with a second abutting block capable of abutting against the lifting push plate, and the rotating cylinder of the handle is connected with the rotating plate in a circumferential limiting manner, so that the second abutting block pushes the lifting push plate to move in a direction close to the square tongue lock rotating assembly.
[0011] In an embodiment, the number of the second abutting blocks is two, and the two second abutting blocks are symmetrically arranged about the central axis of the mounting cylinder seat, and the two second abutting blocks can respectively abut against the two sides of the bottom of the lifting push plate.
[0012] In an embodiment, the half gear is rotatably mounted on the inner wall of the lock housing through a rotating shaft, the lifting push plate is provided with two long waist holes, the rotating shaft is slidably connected with one of the long waist holes, and the other long waist hole is provided with a screw rod mounted on the inner wall of the lock housing; and / or, the side of the lock housing close to the door body is provided with a partition plate.
[0013] In an embodiment, the square tongue lock rotating assembly comprises a rotating sleeve rotatably mounted on the inner wall of the lock housing, the inner hole section of the rotating sleeve is adapted to the section of the plug of the knob, and both are polygonal structures, and the plug of the knob penetrates through the inner hole of the rotating sleeve.
[0014] In an embodiment, the inner wall of the lock housing is provided with an arc-shaped groove, the arc-shaped groove is provided with a stop block, the outer periphery of the rotating sleeve is provided with a second spur gear, the side wall of the second spur gear is fixedly provided with a limiting block extending into the arc-shaped groove, and the limiting block can abut against the stop block when the second spur gear rotates.
[0015] In an embodiment, the inner wall of the lock housing is provided with a battery housing for placing a battery module, and the half gear and the lifting push plate are mounted on the battery housing.
[0016] In an embodiment, the side wall of the battery housing is provided with two guide protrusions arranged on opposite sides of the lifting push plate to guide the lifting push plate to move along the length direction of the lock housing.
[0017] The utility model provides a split quick opening linkage lock and a safety door.
[0018] The split quick opening linkage lock and the safety door have at least the following beneficial effects:
[0019] The cooperation of the pushing assembly, the square tongue lock rotating assembly and the linkage assembly, and the diameter of the half gear of the linkage assembly is greater than the diameter of the first straight gear on the outer side of the square tongue lock rotating assembly, so that the rotating speed of the first straight gear is greater than the rotating speed of the half gear, thereby the rotating speed of the bolt of the knob is greater than the rotating speed of the rotating cylinder of the handle, and the lock tongue of the square tongue lock will also be retracted when the lock tongue of the bevel tongue lock is retracted by twisting the handle, and the square tongue lock will be retracted earlier than the bevel tongue lock. That is, one-key quick opening is completed through a mechanical structure, and only one action is needed to complete the retraction of the square tongue lock and the bevel tongue lock, thereby improving the convenience in use, solving the problem caused by the delay of electronic control, avoiding the problem that the square tongue lock is scratched by the door frame buckle during retraction, and effectively reducing the power consumption of the split quick opening linkage lock.
[0020] These aspects or other aspects of the utility model will be more apparent in the following description of the embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0022] Figure 1 The structure diagram of the split quick opening linkage lock provided by the utility model is shown in the figure.
[0023] Figure 2 The internal structure diagram of the split quick opening linkage lock when the lock tongues of the two kinds of locks are retracted is shown in the figure. Figure 1
[0024] Figure 3 The structure diagram of the split quick opening linkage lock when the lock tongues of the two kinds of locks are removed and retracted is shown in the figure. Figure 2
[0025] Figure 4 The internal structure diagram of the split quick opening linkage lock when the lock tongues of the two kinds of locks are extended is shown in the figure. Figure 1
[0026] Figure 5 The internal structure diagram of the split quick opening linkage lock when the lock tongues of the two kinds of locks are extended is shown in the figure. Figure 1 An exploded view of the split quick-opening linkage lock shown;
[0027] Figure 6 For Figure 1 A partial structure schematic view of the split quick-opening linkage lock shown. DETAILED DESCRIPTION
[0028] In order to facilitate the understanding of the embodiments of the present application, the embodiments of the present application will be described more fully below with reference to the accompanying drawings. Preferably, the embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the embodiments of the present application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application.
[0030] The inventors of the present application found that in the existing scheme, when the unlocking is controlled by electronic means, there will be a certain time lag, which will cause the lock tongue of the latch lock to be completely retracted, and the square tongue lock may be scraped with the door frame buckle, causing the motor to be unable to retract the square tongue lock.
[0031] In order to improve at least part of the above problems, the present application provides a split quick-opening linkage lock and a security door, which adopts the cooperation of the pushing assembly 3, the square tongue lock rotating assembly 5 and the linkage assembly 4, and the diameter of the half gear 41 of the linkage assembly 4 is greater than the diameter of the first straight gear 54 on the outside of the square tongue lock rotating assembly 5, so that the rotating speed of the first straight gear 54 is greater than the rotating speed of the half gear 41, so that the rotating speed of the plug of the knob 6 is greater than the rotating speed of the rotating cylinder of the handle 2, and then when the handle 2 is twisted to retract the lock tongue of the latch lock 200, the lock tongue of the square tongue lock will also be retracted, and the square tongue lock will be retracted before the lock tongue of the latch lock 200. That is, one-key quick opening is completed by mechanical structure, and only one action is needed to complete the retraction of the lock tongue of the square tongue lock 100 and the latch lock 200, which improves the convenience in use and solves the problem caused by the delay of electronic control, thereby avoiding the problem that the square tongue lock 100 may be scraped with the door frame buckle due to time lag when retracting.
[0032] The present application provides a split quick-opening linkage lock, please refer to Figures 1 to 3, including the lock housing 1, the push assembly 3, the linkage assembly 4 and the square tongue lock rotary assembly 5, the lock housing 1 is rotatably installed with the handle 2 and the knob 6, the handle 2 is in transmission connection with the latch bolt 200, and the knob 6 is in transmission connection with the square tongue lock 100, so that the handle 2 can drive the latch bolt 200 to extend or retract, specifically: the handle 2 and the knob 6 are both provided with a plug, and the plugs of the two are respectively in transmission connection with the latch bolt 200 and the square tongue lock 100; the square tongue lock 100, the latch bolt 200, the handle 2 and the knob 6 all adopt existing and suitable models; the push assembly 3, the linkage assembly 4 and the square tongue lock rotary assembly 5 are all arranged in the interior of the lock housing 1, and when installed, the lock housing 1 is integrally installed on the door body, and the side of the lock housing 1 close to the door body is provided with a partition plate to protect the push assembly 3, the linkage assembly 4 and the square tongue lock rotary assembly 5.
[0033] Please refer to Figures 2 to 5 The push assembly 3 is rotatably installed in the interior of the lock housing 1, and the push assembly 3 is connected with the rotating barrel of the handle 2; specifically: the push assembly 3 includes an installation cylinder seat 31 fixedly arranged on the inner wall of the lock housing 1, the installation cylinder seat 31 and the lock housing 1 can be integrally injection molded, and the rotating barrel of the handle 2 is inserted into the inner hole of the installation cylinder seat 31 of the push assembly 3; the installation cylinder seat 31 is rotatably installed with a rotating plate 33 through a torsion spring 32, and a square hole is formed in the central part of the rotating plate 33, and the plug of the handle 2 is inserted into the square hole.
[0034] A second abutting block 34 capable of abutting against the lifting push plate 43 is fixedly arranged on the rotating plate 33, the rotating barrel of the handle 2 is circumferentially limitedly connected with the rotating plate 33, the handle 2 can drive the rotating plate 33 to rotate, so that the second abutting block 34 arranged on the rotating plate 33 is rotated to abut against the lifting push plate 43, so that the second abutting block 34 can push the lifting push plate 43 to move towards the square tongue lock rotary assembly 5.
[0035] In the embodiment, the number of the second abutting blocks 34 is two, the two second abutting blocks 34 are symmetrically arranged about the central axis of the installation cylinder seat 31, and the two second abutting blocks 34 can respectively abut against the two sides of the bottom of the lifting push plate 43. Specifically, when the latch bolt of the latch bolt 200 is in the extended state, the two second abutting blocks 34 are located in the same horizontal plane (i.e. Figure 4 At this time, the two second abutting blocks 34 respectively abut against the two sides of the bottom of the lifting push plate 43, that is, no matter which side the handle 2 rotates to, the rotating plate 33 will rotate accordingly, and the second abutting block 34 on the corresponding side will also be flipped upwards, and the lifting push plate 43 will be upwardly abutted to move so that the latch bolt 200 is in the retracted state, at this time, the two second abutting blocks 34 are not located in the same horizontal plane (i.e. Figure 3That is, the handle 2 can drive the latch 200 to retract in either direction, so that the split quick-opening interlocking lock can achieve bidirectional quick unlocking.
[0036] Please refer to Figure 3 With Figure 5 Further, the rotary cylinder of the handle 2 can be connected to the rotating plate 33 in the following manner: the rotary cylinder of the handle 2 has a plurality of clamping portions, in this embodiment, four clamping portions, and the rotating plate 33 has four insertion holes arranged in a ring shape, and the four clamping portions are respectively inserted into the four insertion holes. When the handle 2 is twisted, the four clamping portions can drive the rotating plate 33 to rotate synchronously.
[0037] Please refer to Figures 2 to 5 The linkage assembly 4 is arranged inside the lock housing 1, and the linkage assembly 4 includes a half gear 41 rotatably installed on the inner wall of the lock housing 1 and a lifting push plate 43 slidably installed on the inner wall of the lock housing 1. The side of the lifting push plate 43 away from the push assembly 3 is provided with two push portions. The half gear 41 is located between the inner wall of the lock housing 1 and the lifting push plate 43. The surface of the half gear 41 is fixed with a first abutting block 42. The first abutting block 42 is arranged on the sliding path of the lifting push plate 43, so that the lifting push plate 43 can drive the half gear 41 to rotate when sliding. The first abutting block 42 abuts against the side of the lifting push plate 43 away from the push assembly 3, so that the push assembly 3 can drive the lifting push plate 43 to slide, and in turn drive the half gear 41 to rotate, to realize the synchronous movement of the half gear 41 and the lifting push plate 43.
[0038] It should be noted that in this embodiment, the number of first abutting blocks 42 is two, and the side of the lifting push plate 43 away from the push assembly 3 is provided with two push portions. The push portions are the parts of the push assembly 3 abutting against the first abutting blocks 43, and the two push portions correspond to the two first abutting blocks 42 respectively. After the lifting push plate 43 moves upward to the maximum stroke, each first abutting block 42 abuts against one push portion of the lifting push plate 43, to avoid the lifting push plate 43 from moving beyond the stroke.
[0039] When the square tongue latch 100 is in the retracted state, the two first abutting blocks 42 are located on the same horizontal plane (i.e. Figure 3 When the locking tongue of the square tongue latch 100 is in the extended state, the two first abutting blocks 42 are not located on the same horizontal plane (i.e. Figure 4
[0040] Please refer to Figure 3 Further, the half gear 41 is rotatably installed on the inner wall of the lock shell 1 through a rotating shaft, and the lifting push plate 43 is provided with two long waist holes arranged in a corresponding manner, and the rotating shaft is in sliding fit with one of the long waist holes; and the other long waist hole is provided with a screw rod installed on the inner wall of the lock shell 1 in a penetrating manner, that is, the lifting push plate 43 is limited by the screw rod to prevent the lifting push plate 43 from falling off.
[0041] Please refer to Figure 3 Further, the inner wall of the lock shell 1 is provided with a battery shell 60 for placing a battery module, wherein the battery module provides power for the operation of the square tongue lock 100 of the split quick-opening linkage lock, and the half gear 41 and the lifting push plate 43 are both installed on the side wall of the battery shell 60.
[0042] Please refer to Figure 3 Further, the side wall of the battery shell 60 is provided with two guide protrusions 61 arranged on opposite sides of the lifting push plate 43, and the two guide protrusions 61 are arranged in a spaced manner along the width direction of the lock shell 1 to guide the lifting push plate 43 to move along the length direction of the lock shell 1. In this embodiment, the size between the two guide protrusions 61 is adapted to the width of the lifting push plate 43, so that the lifting push plate 43 can smoothly move along the length direction of the lock shell 1.
[0043] Please refer to Figures 2 to 5 The square tongue lock rotating assembly 5 is arranged on the plug of the knob 6, and the knob 6 is in transmission connection with the half gear 41 through the square tongue lock rotating assembly 5; the square tongue lock rotating assembly 5 includes a rotating sleeve 51 rotatably installed on the inner wall of the lock shell 1, the inner hole section of the rotating sleeve 51 is adapted to the section of the plug of the knob 6, and both are polygonal structures, the plug of the knob 6 penetrates the inner hole of the rotating sleeve 51, so that the knob 6 and the rotating sleeve 51 can rotate synchronously, and the outer side of the rotating sleeve 51 is fixed with a first spur gear 54 engaged with the half gear 41. The diameter of the half gear 41 is greater than that of the first spur gear 54, so that the rotating speed of the first spur gear 54 is greater than that of the half gear 41, so that the rotating speed of the plug of the knob 6 is greater than that of the rotating cylinder of the handle 2, and then when the handle 2 is twisted to retract the lock tongue of the bevel tongue lock 200, the lock tongue of the square tongue lock 100 will also be retracted, and the square tongue lock 100 will be retracted earlier than the bevel tongue lock 200.
[0044] In this embodiment, the diameter of the half gear 41 is D1, and the diameter of the first spur gear 54 is D2, wherein D1 / D2≥2, and the square tongue lock 100 will be retracted faster. In other embodiments, the ratio of the diameter of the half gear 41 to the diameter of the first spur gear 54 can also be between 1 and 2, that is, 1
[0045] When the half gear 41 rotates, the knob 6 and the adapter sleeve 51 can be driven to rotate synchronously through the cooperation of the first spur gear 54, further making the lock tongue of the square tongue lock 100 retract or extend.
[0046] When the lock tongues of the square tongue lock 100 and the oblique tongue lock 200 are in the extended state (i.e. Figure 4 When the handle 2 is twisted, the lock tongue of the oblique tongue lock 200 will retract, and at the same time, the rotating plate 33 will be driven to rotate by the handle 2, and the lifting push plate 43 will be driven to move upward by the second abutting block 34. At this time, only the first abutting block 42 abuts against the lifting push plate 43, and the lifting push plate 43 will drive the half gear 41 to rotate during the upward movement. The half gear 41 will drive the adapter sleeve 51 and the knob 6 to rotate synchronously through the first spur gear 54, so that the square tongue lock 100 can retract synchronously. When the handle 2 is released, the handle 2 will be restored due to the force of the torsional spring 32, i.e. the oblique tongue lock 200 is in the extended state, and the square tongue lock 100 is still in the retracted state.
[0047] Please refer to Figures 3 to 5 In other embodiments, in order to make the knob 6 have different installation positions, the number of adapter sleeves 51 is set to two, the two adapter sleeves 51 are vertically corresponding, and the first spur gear 54 is only provided one. The first spur gear 54 is engaged with the half gear 41, the outer periphery of the two adapter sleeves 51 is provided with a second spur gear 52, and the inner wall of the lock housing 1 is provided with a third spur gear 53, and the third spur gear 53 is engaged with the two second spur gears 52. That is, the two adapter sleeves 51 can rotate synchronously under the action of the two second spur gears 52 and the third spur gear 53. When installing, the pin of the knob 6 can be selectively inserted into the inner hole of the corresponding adapter sleeve 51 to meet the needs of customers. It should be noted that the hole position of the knob 6 on the lock housing 1 and the position of the square tongue lock 100 need to be adaptively adjusted.
[0048] In this embodiment, when the handle 2 is twisted to any side, the lock tongues of the square tongue lock 100 and the oblique tongue lock 200 can be retracted synchronously by a purely mechanical method, and the lock tongue of the square tongue lock 100 will not be retracted delayed. In addition, it will not affect the extension and retraction of the lock tongue of the square tongue lock 100 adjusted by the knob 6.
[0049] Please refer to Figure 5 and Figure 6Further, the inner wall of the lock housing 1 is provided with an arc-shaped groove 57, and the arc-shaped groove 57 is provided with a stop block 58, and the side wall of the second spur gear 52 is fixed with a limiting block (not shown in the figure) extending into the arc-shaped groove 57, and the limiting block can abut against the stop block 58 when the first spur gear 54 rotates, that is, the rotation angle of the second spur gear 52 can be limited, so that the rotation angle of the first spur gear 54 is too large to cause the half gear 41 to separate from the first spur gear 54. Since the knob 6 rotates synchronously with the adapter sleeve 51, and the second spur gear 52 is fixed to the outside of the adapter sleeve 51, the rotation angle of the knob 6 can also be limited by the stop block 58 to avoid the rotation angle of the knob 6 being too large.
[0050] In summary, the split type quick opening linkage lock provided by the utility model adopts the cooperation of the pushing assembly 3, the square tongue lock rotating assembly 5 and the linkage assembly 4, and the diameter of the half gear 41 of the linkage assembly 4 is greater than the diameter of the first spur gear 54 on the outside of the square tongue lock rotating assembly 5, so that the rotation speed of the first spur gear 54 is greater than the rotation speed of the half gear 41, thereby the rotation speed of the bolt of the knob 6 is greater than the rotation speed of the rotating barrel of the handle 2, and then when the handle 2 is twisted to retract the lock tongue of the mortise lock 200, the lock tongue of the square tongue lock 100 will also be retracted, and the square tongue lock 100 will be retracted earlier than the mortise lock 200. That is, one-key quick opening is completed through a mechanical structure, and only one action is needed to complete the retraction of the square tongue lock 100 and the mortise lock 200, thereby the convenience in use is improved, and the problem caused by the delay of electronic control is solved, so that the square tongue lock 100 has no time delay when being retracted, and the problem that the square tongue lock 100 may be scratched by the door frame buckle is avoided; meanwhile, the power consumption of the split type quick opening linkage lock is effectively reduced.
[0051] The utility model also provides a safety door which comprises the split type quick opening linkage lock. It can be understood that the safety door also comprises a door panel. Since the safety door comprises the split type quick opening linkage lock, the safety door also has the effect that the lock tongue of the square tongue lock 100 and the mortise lock 200 can be retracted through only one action.
[0052] In the present application, unless otherwise specified or limited, the term "assembly" and other terms should be understood in a broad sense. For example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or a communication within two elements, or only surface contact, or surface contact connection through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
[0053] Furthermore, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as referring to specific or particular structures. The description of "some embodiments" means that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this invention, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate different embodiments or examples described in this invention, as well as the features of different embodiments or examples.
[0054] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A split fast opening interlocking lock, characterized in that, The utility model relates to a lock, including: A lock housing is rotatably installed with a handle and a knob, wherein the handle is in transmission connection with a latch bolt, and the knob is in transmission connection with a square tongue lock; A push assembly is rotatably installed inside the lock housing and connected with the rotating cylinder of the handle; A square tongue lock rotating assembly is installed inside the lock housing and connected with the plug of the knob; and A linkage assembly is arranged inside the lock housing, including a half gear rotatably installed on the inner wall of the lock housing and a lifting push plate slidably installed on the inner wall of the lock housing, the surface of the half gear is fixed with a first abutting block, the first abutting block is arranged on the sliding path of the lifting push plate, and the side of the lifting push plate away from the push assembly is in abutment with the first abutting block, the outer side of the square tongue lock rotating assembly is fixed with a first spur gear in mesh with the half gear, and the diameter of the half gear is greater than that of the first spur gear.
2. The split quick-opening linked lockset according to claim 1, wherein, The diameter of the half gear is D1, the diameter of the first spur gear is D2, wherein D1 / D2 is greater than or equal to 2; and / or the number of the first abutting blocks is two, the side of the lifting push plate away from the push assembly is provided with two push parts, and the two push parts correspond to the two first abutting blocks respectively.
3. The split quick-opening linked lockset of claim 1, wherein, The push assembly includes a mounting cylinder seat fixedly arranged on the inner wall of the lock housing, the mounting cylinder seat is rotatably installed with a rotating plate through a torsion spring, the rotating plate is fixedly provided with a second abutting block capable of abutting against the lifting push plate, and the rotating cylinder of the handle is in circumferential limiting connection with the rotating plate, so that the second abutting block pushes the lifting push plate to move towards the square tongue lock rotating assembly.
4. The split quick-opening linked lockset according to claim 3, wherein, The number of the second abutting blocks is two, the two second abutting blocks are symmetrically arranged about the central axis of the mounting cylinder seat, and the two second abutting blocks can respectively abut against the two sides of the bottom of the lifting push plate.
5. The split quick-opening linked lockset of claim 1, wherein, The half gear is rotatably installed on the inner wall of the lock housing through a rotating shaft, two long waist holes are formed in the lifting push plate, the rotating shaft is in sliding fit with one of the long waist holes, and a screw rod installed on the inner wall of the lock housing is arranged in the other long waist hole; and / or the side of the lock housing close to the door body is provided with a partition plate.
6. The split quick-opening linked lockset of claim 1, wherein, The square tongue lock rotating assembly includes a rotating sleeve rotatably installed on the inner wall of the lock housing, the inner hole section of the rotating sleeve is adapted to the section of the plug of the knob, and both are polygonal structures, and the plug of the knob penetrates the inner hole of the rotating sleeve.
7. The split quick-opening linked lockset of claim 6, wherein, The inner wall of the lock housing is provided with an arc-shaped groove, the arc-shaped groove is provided with a stop block, the outer periphery of the rotating sleeve is provided with a second spur gear, the side wall of the second spur gear is fixed with a limiting block extending into the arc-shaped groove, and the limiting block can abut against the stop block when the second spur gear rotates.
8. The split quick-opening linked lockset of claim 1, wherein, The inner wall of the lock housing is provided with a battery housing for placing a battery module, and the half gear and the lifting push plate are installed on the battery housing.
9. The split quick-opening linked lockset of claim 8, wherein, The side wall of the battery case is provided with two guide protrusions, which are arranged on opposite sides of the lifting push plate to guide the lifting push plate to move along the length direction of the lock case.
10. A security door comprising: The split quick-open linkage lock comprises a split quick-open linkage lock as claimed in any one of claims 1-9.