Indoor electronic lock body

By introducing motor drive and magnetic suction mechanisms into the door lock, the problem of noise and lock tongue damage when mechanical door locks are closed is solved, and a quieter and more durable door lock system is achieved.

CN222633006UActive Publication Date: 2025-03-18FOSHAN WANGYA INTELLIGENT TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420652897.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-30
Publication Date
2025-03-18
Estimated Expiration
2034-03-30

AI Technical Summary

Technical Problem

During the closing process of existing mechanical door locks, noise occurs due to collision and friction between the lock tongue and the lock buckle, and the lock tongue is easily damaged.

Method used

The indoor electronic lock body is adopted, and the lock tongue is driven by the motor, and the linkage of the linkage slide and the swing member is used to retract the lock box when closing the door, avoid collision with the lock buckle, and locking action is achieved through magnetic attraction.

Benefits of technology

It effectively eliminates the noise when the door lock is closed, reduces the risk of lock tongue damage, reduces the operating noise of the motor, reduces the energy consumption of the door lock, and improves the battery life of the door lock.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222633006U_ABST
    Figure CN222633006U_ABST
Patent Text Reader

Abstract

The indoor electronic lock body comprises a lock box, a spring bolt and a motor, the spring bolt and the motor are arranged in the lock box, a spring bolt hole is formed in the lock box, and a linkage piece used for connecting and driving the spring bolt to act, a swing piece used for driving the linkage piece to link the spring bolt to act through one end of the linkage piece and a linkage sliding seat used for driving the other end of the swing piece to act so as to enable the swing piece to rotate are arranged in the lock box. A driving shaft is installed on an output shaft of the motor, a driving groove is formed in the linkage sliding seat, a spiral groove is formed in the driving groove in a spiral mode, a spiral protruding part which is arranged in the spiral groove in a sliding fit mode is arranged on the peripheral face of the driving shaft, and when the driving shaft rotates, the spiral protruding part slides in the spiral direction of the spiral groove so that the linkage sliding seat can horizontally move in the lock box. The lock tongue is controlled by the motor to retract into the lock box, so that the lock tongue cannot extend out of the lock box in the door closing process, and the working noise of the door lock and the risk that the lock tongue is collided and damaged are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to an indoor electronic lock body. Background Art

[0002] Indoor doors are usually locked with mechanical door locks. The lock tongue and lock buckle of existing mechanical door locks are made of metal. Therefore, when the door is closed, the lock tongue will first rest against the lock buckle, and the lock buckle will be used to press the lock tongue back into the lock box. Then, the lock tongue will extend out and be inserted into the lock groove of the lock buckle under the action of the door lock spring to complete the locking action. The collision and friction between the lock tongue and the lock buckle will cause the door lock to make noise during the door closing process, which will seriously affect the user experience. In addition, the long-term collision action of the lock tongue is also prone to damage. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an indoor electronic lock body.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An indoor electronic lock body comprises a lock box, a lock tongue and a motor arranged in the lock box, wherein the lock box is provided with a lock tongue hole for allowing the lock tongue to extend and retract into the lock box, and characterized in that: the lock box is provided with a linkage member for connecting and driving the lock tongue to move, a swing member for driving the linkage member to link the lock tongue with one end thereof, and a linkage slide seat for driving the other end of the swing member to move and rotate the swing member, and the middle part of the swing member is rotatably mounted on the lock box;

[0006] A driving shaft is installed on the output shaft of the motor, and a driving groove for the driving shaft to pass through is provided on the linkage slide. A spiral groove arranged in a spiral shape is provided in the driving groove, and a spiral convex portion slidingly fitted in the spiral groove is provided on the outer peripheral surface of the driving shaft. When the driving shaft rotates, the spiral convex portion slides along the spiral direction of the spiral groove and the linkage slide translates in the lock box.

[0007] In the utility model, the linkage slide includes a slide body and a compression spring arranged in the slide body. The drive groove is arranged on the slide body. A spring accommodating groove is arranged in the drive groove. The compression spring is positioned and installed in the spring accommodating groove and is mounted on the drive shaft. The spiral protrusion passes between the turns of the compression spring, and the gap between the turns of the compression spring constitutes the spiral groove.

[0008] In the utility model, the linkage member is provided with an electric linkage part for cooperating with the swing member to drive the lock tongue to retract into the lock box, and one end of the swing member is provided with a first matching part extending to the moving path of the electric linkage part, and the first matching part pushes against the electric linkage part and moves away from the electric linkage part through the rotation of the swing member;

[0009] The slide body is provided with a translation output part, and the other end of the swing member is provided with a second matching part extending to the moving path of the translation output part. The translation output part can push against the second matching part and move away from the second matching part when the linkage slide is translated.

[0010] In the utility model, the indoor electronic lock body also includes a lock buckle, which is provided with a lock slot for inserting a lock tongue; the lock buckle is provided with a lock buckle magnet for magnetically attracting the lock tongue to extend out of the lock box and insert into the lock slot.

[0011] In the utility model, a lock tongue magnet is provided on the lock tongue.

[0012] In the utility model, a manual linkage part is provided on the linkage member, and a handle shaft for connecting the door lock handle is also provided in the lock box. A manual driving part is provided on the handle shaft for driving the linkage member to move by pushing the manual linkage part. The manual driving part pushes the manual linkage part and moves away from the manual linkage part through the rotation of the handle shaft.

[0013] In the utility model, the lock tongue hole is provided with a sound-proof rubber block, and the sound-proof rubber block is provided with a lock tongue guide hole for the lock tongue to slide through.

[0014] In the utility model, a positioning shaft seat is provided in the lock box, a positioning shaft hole is provided on the positioning shaft seat, and one end of the driving shaft away from the motor is rotatably fitted in the positioning shaft hole.

[0015] In the utility model, a handle shaft for connecting the door lock handle is also provided in the lock box, and the swinging member is rotatably mounted on the handle shaft and rotatably installed in the lock box by means of the handle shaft.

[0016] In the utility model, a rotation driving part is provided on the outer circumferential surface of the handle shaft, and a swinging fitting part for cooperating with the rotation driving part for manual unlocking is provided on the swinging member.

[0017] The beneficial effects of the utility model are as follows: the utility model drives the lock tongue through a motor. When unlocking, the motor drives the linkage slide to move in the direction of the second matching part. After the translation output part abuts against the second matching part, the swing part is driven to rotate, and the first matching part abuts against the electric linkage part, so that the linkage part drives the lock tongue to retract into the lock box. After the lock tongue exits the lock slot and retracts into the lock box, the unlocking action is completed; when locking, the lock tongue is made to face the lock slot. At this time, the lock tongue is extended out of the lock box and inserted into the lock slot under the magnetic attraction of the lock buckle magnet, thereby completing the locking action. The above structure controls the lock tongue to retract into the lock box through the motor, so that the lock tongue will not extend out of the lock box during the door closing process, thereby avoiding the noise generated by the collision between the lock tongue and the lock buckle when the traditional door lock is closed and reducing the risk of the lock tongue being damaged by the collision; and also uses the lock buckle magnet to magnetically suck the lock tongue out of the lock box and into the lock slot to complete the locking action of the lock tongue, so that the lock body does not need to start the motor when locking, thereby achieving the purpose of reducing the working noise of the motor, and at the same time reducing the energy consumption of the door lock, so that the door lock has a better endurance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 is a stereogram of Example 1;

[0020] Figure 2 The internal structure of the lock box in Example 1 is shown in FIG. Figure 1 ;

[0021] Figure 3 The internal structure of the lock box in Example 1 is shown in FIG. Figure 2 ;

[0022] Figure 4 It is a schematic diagram of the combined structure of the drive shaft, the linkage slide and the motor;

[0023] Figure 5 is a cross-sectional view of the lock buckle and the lock box in Example 1;

[0024] Figure 6 is a schematic diagram of the structure of the lock;

[0025] Figure 7 The internal structure of the lock box in Example 2 is shown in FIG. Figure 1 ;

[0026] Figure 8 The internal structure of the lock box in Example 2 is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Example 1

[0028] Reference Figure 1-6 , an indoor electronic lock body, comprising a lock box 1, a lock tongue 2 and a motor 3 arranged in the lock box 1, wherein the lock box 1 is provided with a lock tongue hole for allowing the lock tongue 2 to extend out and retract into the lock box 1. The lock box 1 is provided with a linkage member 4 for connecting and driving the lock tongue 2 to move, a swing member 5 for driving the linkage member 4 to link the lock tongue 2 to move by using one end thereof, and a linkage slide 6 for driving the other end of the swing member 5 to move and rotate the swing member 5, and the middle part of the swing member 5 is rotatably mounted on the lock box 1 by using a swing shaft 7;

[0029] A driving shaft 8 is mounted on the output shaft of the motor 3, and a driving groove for the driving shaft 8 to pass through is provided on the linkage slide 6, and a spiral groove 602 arranged in a spiral shape is provided in the driving groove, and a spiral convex portion 801 slidingly fitted in the spiral groove 602 is provided on the outer peripheral surface of the driving shaft 8. In this embodiment, two spiral convex portions 801 are preferably provided on the driving shaft 8 to improve the stability of the driving shaft 8 driving the linkage slide 6; the number of the spiral convex portions 801 is not limited, and when the number of the spiral convex portions 801 is more than two, more than two spiral convex portions 801 are spirally distributed on the outer peripheral surface of the driving shaft 8 along the driving shaft 8; when the driving shaft 8 rotates, the linkage slide 6 translates in the lock box 1 by the spiral convex portion 801 sliding along the spiral direction of the spiral groove 602, the swinging member 5 can rotate and swing through the translation of the linkage slide 6, and the lock tongue 2 is unlocked or unlocked and locked through the rotation and swinging of the swinging member 5.

[0030] As a preferred embodiment, the linkage slide 6 includes a slide body 603, a compression spring 604 arranged in the slide body 603, the driving groove is arranged on the slide body 603, a spring accommodating groove 601 is arranged in the driving groove, the compression spring 604 is positioned and installed in the spring accommodating groove 601 and is sleeved on the driving shaft 8, the spiral protrusion 801 passes through the circles of the compression spring 604, and the gaps between the circles of the compression spring 604 constitute the spiral groove 602; the spiral groove 602 is formed by the compression spring 604, and when the linkage slide 6 is driven into place and the driving shaft 8 is still rotating, the compression deformation of the compression spring 604 can be used to prevent the slide body 603 from excessively squeezing other parts of the lock body, thereby reducing the probability of the lock body parts being squeezed and damaged. In other embodiments, the linkage slide 6 can eliminate the compression spring 604, the spiral groove 602 can be an internal thread arranged in the driving groove, the driving shaft 8 can be a driving screw, and the spiral protrusion 801 is formed by the external thread on the surface of the driving screw. In this way, the linkage between the driving shaft 8 and the linkage slide 6 is achieved by utilizing the cooperation between the internal thread and the external thread.

[0031] As a preferred embodiment, the spring accommodating groove 601 is provided with a first positioning groove and a second positioning groove for limiting the rotation of the compression spring 604; the two ends of the compression spring 604 are respectively provided with a first plug-in portion 605 and a second plug-in portion 606, and the first plug-in portion 605 and the second plug-in portion 606 both extend along the radial direction of the compression spring 604; the first plug-in portion 605 is inserted into the first positioning groove, and the second plug-in portion 606 is inserted into the second positioning groove, so that the compression spring 604 cannot rotate on the slide seat body 603 at will, thereby realizing the positioning and installation of the compression spring 604.

[0032] As a preferred embodiment, the linkage member 4 is provided with an electric linkage part 41 for cooperating with the swing member 5 to drive the lock tongue 2 to retract into the lock box 1, and one end of the swing member 5 is provided with a first matching part 51 extending to the moving path of the electric linkage part 41, and the first matching part 51 pushes against the electric linkage part 41 and moves away from the electric linkage part 41 through the rotation of the swing member 5. The slide body 603 is provided with a translation output part 607, and the other end of the swing member 5 is provided with a second matching part 52 extending to the moving path of the translation output part 607, and the translation output part 607 can push against the second matching part 52 and move away from the second matching part 52 when the linkage slide 6 translates. When unlocking, the motor 3 drives the linkage slide 6 to move in the direction of the second matching part 52. After the translation output part 607 abuts against the second matching part 52, the swing member 5 is prompted to rotate, and then the first matching part 51 abuts against the electric linkage part 41, so that the linkage part 4 drives the lock tongue 2 to retract into the lock box 1. After the lock tongue 2 exits the lock slot and retracts into the lock box 1, the unlocking action is completed, and then the motor 3 drives the linkage slide 6 to reset. At this time, the translation output part 607 is away from the second matching part 52, so as to prevent the translation output part 607 from affecting the extending action of the lock tongue 2 when locking.

[0033] As a preferred embodiment, the indoor electronic lock body further includes a lock buckle 9, on which a lock slot for inserting a lock tongue 2 is provided; and a lock buckle magnet 10 is provided on the lock buckle 9 for magnetically attracting the lock tongue 2 to extend out of the lock box 1 and insert into the lock slot. When locking, the lock tongue 2 is made to face the lock slot. At this time, the lock tongue 2 is extended out of the lock box 1 and inserted into the lock slot under the magnetic attraction of the lock buckle magnet 10, thereby completing the locking action. The above structure controls the lock tongue 2 to retract into the lock box 1 through the motor 3, so that the lock tongue 2 will not extend out of the lock box 1 during the door closing process, thereby avoiding the noise generated by the collision between the lock tongue 2 and the lock buckle 9 when the traditional door lock is closed and reducing the risk of the lock tongue 2 being damaged by the collision; and the lock tongue 2 is magnetically attracted out of the lock box 1 and enters the lock slot through the lock buckle magnet 10 to complete the locking action of the lock tongue 2, so that the lock body does not need to start the motor 3 when locking, thereby achieving the purpose of reducing the working noise of the motor 3, and at the same time reducing the energy consumption of the door lock, so that the endurance of the door lock is better. In other embodiments, the two ends of the swing member 5 can be hinged to the slide body 603 and the linkage member 4 respectively, so that the motor 3 directly cooperates with the swing member 5 to realize the extension or retraction of the lock tongue 2.

[0034] As a preferred embodiment, a manual linkage part 42 is provided on the linkage member 4, and a handle shaft 11 for connecting the door lock handle is also provided in the lock box 1, and the handle shaft 11 is rotatably connected in the lock box 1. A manual driving part 111 is provided on the handle shaft 11 for driving the linkage member 4 to move by pushing the manual linkage part 42, and the manual driving part 111 is eccentrically arranged with the axis of the handle shaft 11, and the manual driving part 111 pushes the manual linkage part 42 and moves away from the manual linkage part 42 by rotating the handle shaft 11. When the power supply of the door lock cannot normally drive the motor 3 to work and unlock, the user can control the rotation of the handle shaft 11 by holding the hand, so that the manual driving part 111 pushes against the manual linkage part 42, and uses the manual linkage part 42 to control the linkage member 4 to drive the lock tongue 2 to unlock, so as to manually unlock the door lock when the power supply is insufficient or there is no power.

[0035] As a preferred embodiment, the lock box 1 includes a lock box panel 101, two first shells 102 and a second shell 103 arranged opposite to each other, the first shell 102 and the second shell 103 form an installation space, the lock tongue hole is arranged on the lock box panel 101, the back of the lock box panel 101 is provided with a panel connecting portion 104 extending into the installation space, the first shell 102 and the second shell 103 are both connected to the panel connecting portion 104 by a first bolt, so as to realize the combined installation between the first shell 102 and the second shell 103, and at the same time complete the combined installation between the various components of the lock box 1. Further, a matching screw seat 105 is provided in the installation space, and the two ends of the matching screw seat 105 are respectively connected to the first shell 102 and the second shell 103 by a second bolt, so as to strengthen the connection quality between the first shell 102 and the second shell 103.

[0036] As a preferred embodiment, since the lock box 1 and the lock tongue 2 are usually made of metal, in order to reduce the noise generated by the friction between the lock tongue 2 and the lock box 1 when the lock tongue 2 is extended and retracted, the lock tongue hole is provided with a silent rubber block 12, and the silent rubber block 12 is provided with a lock tongue guide hole for the lock tongue 2 to slide through, and the silent rubber block 12 is used to separate the lock tongue 2 from the lock box 1, thereby achieving the effect of reducing noise. Furthermore, the cross-sectional shape of the lock tongue guide hole and the cross-sectional shape of the lock tongue 2 are both polygonal, preferably quadrilateral, so that the silent rubber block 12 can guide the lock tongue 2.

[0037] As a preferred embodiment, one end of the silent rubber block 12 is matched and installed in the lock tongue hole, and the outer periphery of the other end is provided with a positioning frame 121 distributed around the edge of the lock tongue hole, and the first shell 102 and the second shell 103 are both provided with positioning slots, and the opposite ends of the positioning frame 121 are respectively matched and installed in the positioning slots of the first shell 102 and the second shell 103, thereby completing the positioning and installation of the silent rubber block 12, with a simple structure and convenient installation.

[0038] As a preferred embodiment, the axial direction of the drive shaft 8 is parallel to the moving direction of the lock tongue 2, and the drive shaft 8 is located between the motor 3 and the lock box panel 101. A positioning shaft seat 13 is provided in the lock box 1, and a positioning shaft hole is provided on the positioning shaft seat 13. The end of the drive shaft 8 away from the motor 3 rotates and fits in the positioning shaft hole, so that the driving shaft 8 is constrained by the positioning shaft hole to reduce the shaking of the driving shaft 8 during rotation, thereby improving the quality of the driving shaft 8 driving the linkage slide 6 to translate.

[0039] As a preferred embodiment, in order to realize the installation of the handle shaft 11, a rotating through hole is provided on the first shell 102 and the second shell 103, and a rotating convex portion is provided at both ends of the handle shaft 11. The rotating convex portions at both ends of the handle shaft 11 are rotatably engaged in the rotating through holes of the first shell 102 and the second shell 103 respectively.

[0040] As a preferred embodiment, a sliding limit portion 201 is provided on the lock tongue 2, and the sliding limit portion 201 abuts against and separates from the sound-absorbing rubber block 12 through the movement of the lock tongue 2. After the sliding limit portion 201 abuts against the sound-absorbing rubber block 12, the lock tongue 2 cannot continue to extend to the outside of the lock box 1, so that the lock tongue 2 is abutted against the sound-absorbing rubber block 12 by the sliding limit portion 201 and its length extending outside the lock box 1 is limited.

[0041] As a preferred embodiment, a connection groove is provided on the back of the lock tongue 2, one end of the linkage member 4 fits in the connection groove, and one end of the linkage member 4 is connected to the lock tongue 2 by a fastener, which may be a bolt or a rivet, preferably a rivet. In addition, in order to improve the use effect of the lock body, a lock tongue magnet 14 is provided on the lock tongue 2, and the lock tongue magnet 14 is restricted by the linkage member 4 to be installed in the connection groove; the lock tongue magnet 14 can be used to quickly extend the lock tongue 2 into the lock groove when the door leaf is closed by using the magnetic attraction generated when the lock tongue magnet 14 and the lock buckle magnet 10 correspond to each other, thereby realizing the locking action of the lock body. At the same time, the lock box panel 101 is made of iron or steel, so that after the lock tongue 2 is retracted into the lock box 1, the magnetism of the lock tongue magnet 14 and the lock box panel 101 play a certain magnetic adsorption effect, and the magnetic attraction generated when the lock tongue magnet 14 and the lock buckle magnet 10 correspond to each other is greater than the attraction generated between the lock tongue magnet 14 and the lock box panel 101. The magnetic adsorption effect between the magnetism of the lock tongue magnet 14 and the lock box panel 101 can keep the lock tongue 2 retracted into the lock box 1, and it is not easy to be thrown out of the lock box 1 due to the centrifugal force during the opening and closing of the door leaf, thereby ensuring the stability of the lock tongue 2 after it is retracted into the lock box 1.

[0042] As a preferred embodiment, the lock 9 includes a lock panel 901, a lock back plate 902, and a lock body 903. The lock panel 901 is provided with a first lock port 904, the lock back plate 902 is provided on the back of the lock panel 901, and the lock back plate 902 is provided with a second lock port corresponding to the first lock port 904; the lock body 903 is partially embedded in the second lock port and its front side is against the back of the lock panel 901, so that the lock back plate 902 and the lock panel 901 are combined to fix the lock body 903; the lock body 903 is provided with a lock slot 905 on one end facing the first lock port 904, and the first lock port 904 and the lock slot 905 constitute the lock slot. The lock magnet 10 is arranged on the lock body 903. For example, the lock body 903 is provided with a lock magnet groove 906 located behind the lock groove 905. The lock magnet 10 is arranged in the lock magnet groove 906, so as to realize the installation of the lock magnet 10.

[0043] As a preferred embodiment, a first locking hole 907 is provided on the locking panel 901, and a second locking hole 908 corresponding to the first locking hole 907 is provided on the locking back plate 902. During installation, the locking connecting bolts are inserted into the corresponding first locking holes 907 and the second locking holes 908, and then connected to the door frame, thereby achieving the purpose of installing the lock 9 on the door frame.

[0044] As a preferred embodiment, the lock body 903 is mounted on the lock back plate 902 by snapping, for example, the lock body 903 is provided with a lock slot, and the lock back plate 902 is provided with a lock clip 909 for clipping in the lock slot to fix the lock body 903. Specifically, there are two lock slots, which are respectively located at the upper end and the lower end of the lock body 903, and there are two lock clips 909, which correspond to the two lock slots. In this embodiment, the lock body 903 is made by injection molding, and the upper and lower ends of the lock body 903 are provided with a lock fixing part 910 and a lock elastic part 911, and the lock slot is formed between the lock fixing part 910 and the lock elastic part 911 at the same height.

[0045] In addition, in order to facilitate the lock card part 909 to be buckled into the lock card slot, an introduction slope 912 is provided on the lock elastic part 911, one end of the introduction slope 912 is connected to the lock body 903, and the other end is gradually inclined in the direction away from the lock body 903 and toward the lock fixing part 910, so that the lock card part 909 is convenient for gradually compressing and deforming the lock elastic part 911 in the direction of the lock slot 905 during the process of buckling into the lock card slot, and then enters the lock card slot. The lock card part 909 automatically resets after leaving the introduction slope 912, so that the lock card part 909 cannot escape from the lock card slot.

[0046] As a preferred embodiment, in order to realize the positioning and installation of the motor 3 in the lock box 1, a mounting seat is provided in the lock box 1, and a motor fixing groove is provided on the mounting seat. The motor 3 is matched and installed in the motor fixing groove, and the output end is connected to the drive shaft 8. Specifically, the mounting seat includes a first seat body 108 respectively installed in the first shell 102 and a second seat body 109 installed in the second shell 103. The first seat body 108 and the second seat body 109 are both provided with a motor adapter groove for the motor 3 to be embedded. The motor adapter groove of the first seat body 108 and the motor adapter groove of the second seat body 109 constitute the motor fixing groove.

[0047] In this embodiment, at least two first positioning holes are provided on the first housing 102, and a first positioning insert portion corresponding to each first positioning hole is provided on the first seat body 108. The first seat body 108 is positioned and installed on the first housing 102 by inserting and fitting the first positioning insert portion in the first positioning hole; at least two second positioning holes are provided on the second housing 103, and a second positioning insert portion corresponding to each second positioning hole is provided on the second seat body 109. The second seat body 109 is positioned and installed on the second housing 103 by inserting and fitting the second positioning insert portion in the second positioning hole. By using the above-mentioned insertion and positioning structure, the mounting seat and the lock box 1 can be fixed without bolt combination. Example 2

[0048] Reference Figure 7 and Figure 8 The structure of this embodiment is basically the same as that of the embodiment 1, except that the swing member 5 is rotatably mounted on the handle shaft 11 and is rotatably installed in the lock box 1 by the handle shaft 11, thereby eliminating the setting of the swing shaft 7 and reducing the manufacturing cost of the door lock.

[0049] In this embodiment, the manual driving part 111 on the handle shaft 11 and the manual linkage part 42 on the linkage part 4 are cancelled, and a rotation driving part 112 is provided on the outer circumference of the handle shaft 11, and a swing matching part 53 for manually unlocking in cooperation with the rotation driving part 112 is provided on the swing member 5. When manually unlocking, the user can rotate the handle shaft 11 by hand, so that the rotation driving part 112 pushes against the swing matching part 53, and the swing member 5 rotates to drive the first matching part 51 to push against the electric linkage part 41, so that the linkage part 4 drives the lock tongue 2 to retract into the lock box 1, and the manual unlocking action is completed after the lock tongue 2 exits the lock slot and retracts into the lock box 1.

[0050] The above description is only a preferred embodiment of the present invention. Any technical solution that achieves the purpose of the present invention by substantially the same means shall fall within the protection scope of the present invention.

Claims

1. An indoor electronic lock body, comprising a lock box (1), a lock tongue (2) arranged in the lock box (1), and a motor (3), wherein the lock box (1) is provided with a lock tongue hole for allowing the lock tongue (2) to extend out and retract into the lock box (1), and wherein: The lock box (1) is provided with a linkage member (4) for connecting and driving the lock tongue (2) to move, a swing member (5) for driving the linkage member (4) to move the lock tongue (2) with one end thereof, and a linkage slide seat (6) for driving the other end of the swing member (5) to move so as to rotate the swing member (5), and the middle part of the swing member (5) is rotatably mounted on the lock box (1); A drive shaft (8) is mounted on the output shaft of the motor (3); a drive groove for the drive shaft (8) to pass through is provided on the linkage slide (6); a spiral groove (602) arranged in a spiral shape is provided in the drive groove; a spiral convex portion (801) slidably engaged with the spiral groove (602) is provided on the outer peripheral surface of the drive shaft (8); when the drive shaft (8) rotates, the spiral convex portion (801) slides along the spiral direction of the spiral groove (602) and the linkage slide (6) translates in the lock box (1).

2. The indoor electronic lock body according to claim 1, characterized in that: The linkage slide (6) comprises a slide body (603), a compression spring (604) arranged in the slide body (603), the driving groove is arranged on the slide body (603), a spring receiving groove (601) is arranged in the driving groove, the compression spring (604) is positioned and installed in the spring receiving groove (601) and is sleeved on the driving shaft (8), the spiral protrusion (801) passes through the turns of the compression spring (604), and the gaps between the turns of the compression spring (604) constitute the spiral groove (602).

3. The indoor electronic lock body according to claim 2, characterized in that: The linkage member (4) is provided with an electric linkage part (41) for cooperating with the swing member (5) to drive the lock tongue (2) to retract into the lock box (1); one end of the swing member (5) is provided with a first matching part (51) extending to the moving path of the electric linkage part (41); the first matching part (51) is pushed against the electric linkage part (41) and away from the electric linkage part (41) by the rotation of the swing member (5); The slide body (603) is provided with a translation output portion (607), and the other end of the swing member (5) is provided with a second matching portion (52) extending to the moving path of the translation output portion (607). The translation output portion (607) can push against the second matching portion (52) and move away from the second matching portion (52) when the linkage slide (6) translates.

4. The indoor electronic lock body according to claim 3, characterized in that: The indoor electronic lock body further comprises a lock buckle (9), the lock buckle (9) being provided with a lock slot for inserting a lock tongue (2); the lock buckle (9) being provided with a lock buckle magnet (10) for magnetically attracting the lock tongue (2) to extend out of the lock box (1) and insert into the lock slot.

5. The indoor electronic lock body according to claim 4, characterized in that: The lock tongue (2) is provided with a lock tongue magnet (14).

6. The indoor electronic lock body according to claim 3, characterized in that: The linkage member (4) is provided with a manual linkage portion (42), and the lock box (1) is further provided with a handle shaft (11) for connecting a door lock handle. The handle shaft (11) is provided with a manual driving portion (111) for driving the linkage member (4) to move by pushing against the manual linkage portion (42). The manual driving portion (111) pushes against the manual linkage portion (42) and moves away from the manual linkage portion (42) by the rotation of the handle shaft (11).

7. The indoor electronic lock according to claim 3, characterized in that: The lock tongue hole is provided with a sound-absorbing rubber block (12), and the sound-absorbing rubber block (12) is provided with a lock tongue guide hole for the lock tongue (2) to slide through.

8. The indoor electronic lock according to claim 3, characterized in that: A positioning shaft seat (13) is provided in the lock box (1), and a positioning shaft hole is provided on the positioning shaft seat (13), and an end of the drive shaft (8) away from the motor (3) is rotatably engaged in the positioning shaft hole.

9. The indoor electronic lock according to claim 1 or 2, characterized in that: The lock box (1) is also provided with a handle shaft (11) for connecting to a door lock handle, and the swing member (5) is rotatably mounted on the handle shaft (11) and is rotatably mounted in the lock box (1) by means of the handle shaft (11).

10. The indoor electronic lock body according to claim 9, characterized in that: A rotation drive portion (112) is provided on the outer circumferential surface of the handle shaft (11), and a swing fitting portion (53) for cooperating with the rotation drive portion (112) for manual unlocking is provided on the swing member (5).