Electronic lock structure with clutch structure located on rear panel
By placing the clutch structure on the rear panel and adopting designs such as limiting chutes, return springs and transmission rods, the safety problems caused by existing electronic locks are solved, ensuring that the lock core can be opened only through a legitimate password input, and improving the The security of the lock.
Patent Information
- Application Number
- CN202421105547.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-20
AI Technical Summary
In the existing electronic lock structure, the clutch is installed on the front panel, which is prone to cause the clutch pin to engage with the bidirectional sleeve due to external force vibration, which may bypass the electronic unlocking mechanism and open the lock core, which is not very safe.
Place the clutch structure on the rear panel, and drive the clutch to engage the two-way rotary sleeve through the electric push rod assembly. It adopts a limiting chute, return spring and transmission rod structure to ensure that the lock body square tube is allowed to rotate and open the lock only after entering the password. Core to prevent accidental unlocking caused by vibration.
It effectively prevents the lock core from being opened without electronic unlocking caused by vibration, which improves the security of the electronic lock and ensures that the lock core can be opened only through a legitimate password input.
Smart Images

Figure CN222314863U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electronic lock structures, in particular to an electronic lock structure with a clutch structure located on a rear panel. Background Art
[0002] An electronic lock is an electronic product that controls the operation of a circuit or chip through password input, thereby controlling the closing of a mechanical switch to complete the task of unlocking and locking. Electronic locks overcome the shortcomings of traditional mechanical password locks, such as small passwords and poor security performance, and significantly improve the password locks in both technology and performance. Due to their high security and convenience, electronic locks are widely used in many fields. In the home field, electronic locks provide security for the family, avoid the problem of key theft or loss, and also facilitate the entry and exit of family members. It can be unlocked by password, fingerprint recognition, etc., and can also be combined with smart home systems to achieve remote control and intelligent management. In hotels, electronic locks can be used for the switch control of guest room doors to improve the hotel's management efficiency and customer experience. In offices, electronic locks can be used for the switch control of cabinets and filing cabinets to avoid the trouble of carrying and managing keys.
[0003] Existing electronic lock structures, such as Figure 1 and Figure 2 As shown, it includes a front handle 2, a front panel 1, a clutch 3, a clutch pin 7, a two-way sleeve 4, an electric push rod 5 and a lock body square tube 6. The clutch 3 and the electric push rod 5 are both installed in the front panel 1. The front handle 2 is connected to the clutch 3. The two-way sleeve 4 is rotatably arranged in the clutch 3. The clutch 3 push rod clutch pin 7 can be engaged with the two-way sleeve 4. The electric push rod 5 is used to control the engagement or separation of the clutch pin 7 and the two-way sleeve 4. The lock body square tube 6 is connected to one end of the two-way sleeve 4 away from the front handle 2. One end of the lock body square tube 6 away from the front handle 2 passes through the lock core and is connected to the rear handle. A screen for inputting a password is provided on the front panel 1, and a fingerprint identifier is provided on the front handle 2.
[0004] The front panel in the existing electronic lock structure is the password unlocking side of the electronic lock. After the password is entered on the front panel, the electric push rod can drive the clutch pin to engage the two-way sleeve, so that when the front handle is pressed down, the clutch can drive the two-way sleeve to rotate, and the two-way sleeve drives the square tube of the lock body to make the lock core contact and engage with the door frame. Since the clutch is installed on the front panel, when the front panel is vibrated by external force, such as being hit from below with a rubber hammer, the clutch pin has a probability of jumping up due to the vibration and engaging with the two-way sleeve for a moment. At the moment when the clutch pin and the two-way sleeve engage, the front handle is pressed down to bypass the electronic unlocking part to unlock the door, which is not very safe. Utility Model Content
[0005] In order to overcome the shortcomings of the existing technical solutions, the utility model provides an electronic lock structure with a clutch structure located on the rear panel, which can effectively solve the technical problem that knocking the front panel can easily cause the clutch pin to engage the two-way sleeve due to vibration, thereby resulting in the lock core being able to be opened without electronic unlocking.
[0006] The technical solution adopted by the utility model to solve its technical problems is:
[0007] The electronic lock structure of the present invention is characterized in that the clutch structure is located at the rear panel, and comprises a front handle, a rear handle, a clutch, a two-way rotating sleeve, an electric push rod assembly, a lock body square tube and a lock core assembly, wherein the front handle and the rear handle are respectively arranged at the front and rear sides of the lock core assembly, the lock body square tube passes through the lock core assembly, and the lock body square tube can control the opening and closing of the lock core assembly by rotation, the electric push rod assembly is arranged at the outer side of the clutch, the electric push rod assembly is used to drive the clutch to engage with the two-way rotating sleeve, and the front handle and the rear handle can both make the clutch drive the lock body square tube to rotate synchronously through the electric push rod assembly, the clutch is arranged at a side of the lock core assembly close to the rear handle and is connected to the rear handle, the two-way rotating sleeve is arranged in the clutch, a rotatable transmission rod is arranged in the lock body square tube, one end of the transmission rod close to the clutch is connected to the two-way rotating sleeve, one end of the transmission rod away from the two-way rotating sleeve is connected to the front handle, and a clutch cover is arranged at one end of the clutch away from the rear handle, the clutch cover is fixedly connected to the clutch, the clutch cover is connected to the lock body square tube, and the lock body square tube, the transmission rod, the two-way rotating sleeve and the clutch are all located on the same axis.
[0008] Furthermore, the electric push rod assembly includes a driver and a push plate. The push plate is arc-shaped. The center of the push plate arc coincides with the axis of the bidirectional rotating sleeve. The inner concave surface of the push plate contacts the clutch, and the outer convex surface of the push plate contacts the driver. The driver can drive the push plate to move closer to or away from the clutch.
[0009] Furthermore, a limiting groove is provided in the clutch, a slidable clutch pin is provided in the limiting groove, an engaging groove into which the clutch pin can be inserted is provided on the side wall of the two-way rotating sleeve, a return spring is provided between the clutch pin and the limiting groove, the axis of the clutch pin is perpendicular to the axis of the two-way rotating sleeve, and the end of the clutch pin away from the two-way rotating sleeve contacts the inner concave surface of the push plate.
[0010] Furthermore, a square insert is provided at one end of the transmission rod close to the bidirectional rotating sleeve, a square insert groove is provided in the bidirectional rotating sleeve, and the transmission rod is inserted into the square insert groove through the square insert block to drive the bidirectional rotating sleeve.
[0011] Furthermore, a limiting slider is provided at one end of the two-way rotating sleeve close to the clutch, and a guide slot is provided in the clutch. When the two-way rotating sleeve rotates, the limiting slider moves along the guide slot.
[0012] Furthermore, the front handle is connected to the transmission rod through a handle square tube, a square connecting block is provided at one end of the transmission rod close to the front handle, the square connecting block is inserted into the handle square tube, and one end of the handle square tube away from the transmission rod is embedded in the front handle.
[0013] Furthermore, a square tube spring and a wire retaining ring are arranged on the surface of the transmission rod, the square tube spring is located between the hand square tube and the lock body square tube, and the wire retaining ring is arranged between the lock body square tube and the two-way rotating sleeve.
[0014] Compared with the prior art, the beneficial effects of the utility model are: the clutch is arranged at one end of the lock core assembly close to the rear handle, the rear handle is directly connected to the clutch, the clutch can drive the lock body square tube through the clutch cover, and the front handle is connected to the clutch through the transmission rod and the two-way rotating sleeve. When the electric push rod assembly drives the clutch to engage with the two-way rotating sleeve, the front handle can drive the lock body square tube through the clutch. When the front panel is knocked, the clutch will not be affected by vibration, and the electronic password cannot be bypassed by vibration to unlock, which has higher security. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the existing electronic lock structure;
[0016] Figure 2 It is a cross-sectional view of the internal structure of an existing electronic lock structure;
[0017] Figure 3 It is a three-dimensional schematic diagram of an electronic lock structure of the utility model with a clutch structure located on the rear panel;
[0018] Figure 4 This is a three-dimensional schematic diagram of an electronic lock structure with a clutch structure located on a rear panel behind a hidden lock core assembly of the utility model;
[0019] Figure 5 This is a structural cross-sectional view of an electronic lock structure with a clutch structure located on a rear panel of the utility model;
[0020] Figure 6 This is an exploded view of the structure of an electronic lock structure with a clutch structure located on the rear panel of the utility model;
[0021] Figure 1 and Figure 2 The numbers in the figure are: 1-front panel, 2-front handle, 3-clutch, 4-two-way sleeve, 5-electric push rod, 6-lock body square tube, 7-clutch pin;
[0022] Figure 3-Numbers in the figure: 1-front handle, 2-rear handle, 3-clutch, 301-limiting slide, 302-guide slide, 4-two-way rotating sleeve, 401-square embedding groove, 5-lock body square tube, 6-lock core assembly, 7-clutch cover, 8-clutch pin, 9-transmission rod, 901-square embedding block, 902-square connecting block, 10-square tube spring, 11-wire retaining ring, 12-handle square tube. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Combine the following Figure 3-Figure 6 A detailed description of the electronic lock structure of the utility model with a clutch structure located on the rear panel is given as follows:
[0025] An electronic lock structure with a clutch structure located on a rear panel comprises a front handle 1, a rear handle 2, a clutch 3, a two-way rotating sleeve 4, an electric push rod assembly, a lock body square tube 5 and a lock core assembly 6. The front handle 1 and the rear handle 2 are respectively arranged on the front and rear sides of the lock core assembly 6. The lock body square tube 5 passes through the lock core assembly 6. The lock body square tube 5 can control the opening and closing of the lock core assembly 6 by rotation. The electric push rod assembly is arranged on the outer side of the clutch 3. The electric push rod assembly is used to drive the clutch 3 to engage with the two-way rotating sleeve 4. Both the front handle 1 and the rear handle 2 can drive the lock body square tube 5 to rotate synchronously through the electric push rod assembly. The clutch 3 is arranged on the side of the lock core assembly 6 close to the rear handle 2 and is directly connected to the rear handle 2 by bolts. The two-way rotating sleeve 4 is arranged in the clutch 3. A rotatable transmission rod is arranged in the lock body square tube 5. 9. The end of the transmission rod 9 close to the clutch 3 is connected to the two-way rotating sleeve 4, and the end of the transmission rod 9 away from the two-way rotating sleeve 4 is connected to the front handle 1. The end of the clutch 3 away from the rear handle 2 is provided with a clutch cover 7. The clutch cover 7 and the clutch 3 are fixedly connected by screws. The clutch cover 7 is connected to the lock body square tube 5. The lock body square tube 5, the transmission rod 9, the two-way rotating sleeve 4 and the clutch 3 are all located on the same axis. The end of the transmission rod 9 close to the two-way rotating sleeve 4 is provided with a square insert 901, and the two-way rotating sleeve 4 is provided with a square insert groove 401. The transmission rod 9 is inserted into the square insert groove 401 through the square insert block 901 to drive the two-way rotating sleeve 4. The end of the two-way rotating sleeve 4 close to the clutch 3 is provided with a limiting slider, and the clutch 3 is provided with a guide slide groove 302. When the two-way rotating sleeve 4 rotates, the limiting slider moves along the guide slide groove 302.
[0026] The electric push rod assembly includes a driver and a push plate. The push plate is in an arc shape. The center of the push plate arc coincides with the axis of the two-way rotating sleeve 4. The inner concave surface of the push plate contacts the clutch 3, and the outer convex surface of the push plate is connected with the driver. The driver can drive the push plate to approach or move away from the clutch 3. When the driver drives the push plate to extend, the push plate pushes the clutch pin 8 into the two-way rotating sleeve 4 and engages with it. A limiting groove 301 is provided in the clutch 3, and a slidable clutch pin 8 is provided in the limiting groove 301. The side wall of the two-way rotating sleeve 4 is provided with an engaging groove into which the clutch pin 8 can be inserted. A reset spring is provided between the clutch pin 8 and the limiting groove 301. When the driver drives the push plate to extend and contract, the clutch pin 8 disengages from the two-way rotating sleeve 4 under the action of the reset spring, and the axis of the clutch pin 8 is perpendicular to the axis of the two-way rotating sleeve 4. The end of the clutch pin 8 away from the two-way rotating sleeve 4 contacts the inner concave surface of the push plate.
[0027] The front handle 1 is connected to the transmission rod 9 through the handle square tube 12. A square connecting block 902 is provided at the end of the transmission rod 9 close to the front handle 1. The square connecting block 902 is inserted into the handle square tube 12. The end of the handle square tube away from the transmission rod 9 is embedded in the front handle 1. A square tube spring 10 and a wire retaining ring 11 are provided on the surface of the transmission rod 9. The square tube spring 10 is located between the hand square tube and the lock body square tube 5. The square tube spring 10 can limit the position of the lock body square tube 5 to prevent it from axial shaking on the transmission rod 9. The wire retaining ring 11 is provided between the lock body square tube 5 and the two-way rotating sleeve 4 to prevent the lock body square tube 5 from contacting the two-way rotating sleeve 4.
[0028] A clutch structure of the present embodiment is an electronic lock structure located on the rear panel. The clutch 3 is arranged at one end of the lock core assembly 6 close to the rear handle 2. The rear handle 2 is directly connected to the clutch 3. The clutch 3 can drive the lock body square tube 5 through the clutch cover 7, and the front handle 1 is connected to the clutch 3 through the transmission rod 9 and the two-way rotating sleeve 4. When the lock is not unlocked, the front handle 1 is pressed down, and the transmission rod 9 drives the two-way rotating sleeve 4. Since the two-way rotating sleeve 4 is not engaged with the clutch 3 through the clutch pin 8, the lock body square tube 5 cannot be rotated to open the lock core assembly 6. After the password is entered on the front panel, the driver drives the push plate to approach the clutch 3, so that the clutch pin 8 is pushed into the two-way rotating sleeve 4 and engages with it. At this time, the front handle 1 is pressed down to drive the clutch 3 through the two-way rotating sleeve 4 to rotate the lock body square tube 5 to open the lock core assembly 6. When the front panel is knocked, the clutch 3 will not be affected by vibration, and the electronic password cannot be bypassed by vibration to unlock, which has higher security.
[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An electronic lock structure with a clutch structure located on a rear panel, comprising a front handle, a rear handle, a clutch, a two-way rotating sleeve, an electric push rod assembly, a lock body square tube and a lock core assembly, wherein the front handle and the rear handle are respectively arranged on the front and rear sides of the lock core assembly, the lock body square tube passes through the lock core assembly, and the lock body square tube can control the opening and closing of the lock core assembly by rotation, the electric push rod assembly is arranged on the outer side of the clutch, the electric push rod assembly is used to drive the clutch to engage with the two-way rotating sleeve, and the front handle and the rear handle can drive the clutch to drive the lock body square tube to rotate synchronously through the electric push rod assembly, characterized in that: The clutch is arranged on the side of the lock core assembly close to the rear handle and is connected to the rear handle. The two-way rotating sleeve is arranged in the clutch. A rotatable transmission rod is arranged in the square tube of the lock body. The end of the transmission rod close to the clutch is connected to the two-way rotating sleeve, and the end of the transmission rod away from the two-way rotating sleeve is connected to the front handle. A clutch cover is arranged on the end of the clutch away from the rear handle. The clutch cover is fixedly connected to the clutch, and the clutch cover is connected to the square tube of the lock body. The square tube of the lock body, the transmission rod, the two-way rotating sleeve and the clutch are all located on the same axis.
2. The electronic lock structure with a clutch structure located on the rear panel according to claim 1, characterized in that: The electric push rod assembly includes a driver and a push plate. The push plate is in an arc shape. The center of the push plate arc coincides with the axis of the two-way rotating sleeve. The inner concave surface of the push plate contacts the clutch, and the outer convex surface of the push plate contacts the driver. The driver can drive the push plate to approach or move away from the clutch.
3. The electronic lock structure with a clutch structure located on the rear panel according to claim 2, characterized in that: A limiting groove is provided in the clutch, a slidable clutch pin is provided in the limiting groove, an engaging groove into which the clutch pin can be inserted is provided on the side wall of the two-way rotating sleeve, a reset spring is provided between the clutch pin and the limiting groove, the axis of the clutch pin is perpendicular to the axis of the two-way rotating sleeve, and one end of the clutch pin away from the two-way rotating sleeve contacts the inner concave surface of the push plate.
4. An electronic lock structure with a clutch structure located on a rear panel according to any one of claims 1 to 3, characterized in that: A square embedded block is arranged at one end of the transmission rod close to the bidirectional rotating sleeve, and a square embedded groove is arranged in the bidirectional rotating sleeve. The transmission rod is inserted into the square embedded groove through the square embedded block to drive the bidirectional rotating sleeve.
5. An electronic lock structure with a clutch structure located on a rear panel according to any one of claims 1 to 3, characterized in that: A limiting slider is arranged at one end of the two-way rotating sleeve close to the clutch, and a guide slide groove is arranged in the clutch. When the two-way rotating sleeve rotates, the limiting slider moves along the guide slide groove.
6. An electronic lock structure with a clutch structure located on a rear panel according to any one of claims 1 to 3, characterized in that: The front handle is connected to the transmission rod through a handle square tube. A square connecting block is arranged at one end of the transmission rod close to the front handle. The square connecting block is inserted into the handle square tube. The end of the handle square tube away from the transmission rod is embedded in the front handle.
7. The electronic lock structure with a clutch structure located on the rear panel according to claim 6, characterized in that: The surface of the transmission rod is provided with a square tube spring and a steel wire retaining ring, the square tube spring is located between the hand square tube and the lock body square tube, and the steel wire retaining ring is arranged between the lock body square tube and the two-way rotating sleeve.