Electronic lock with waterproof function
By setting a sealing structure between the lock core shell and the rear shell of the electronic lock, the problem of poor sealing performance in harsh environments is solved, and higher waterproof performance and longer service life are achieved.
Patent Information
- Application Number
- CN202411840227.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing electronic locks are susceptible to wind, frost, rain and snow in outdoor environments, resulting in poor sealing and moisture entering the lock core, causing short circuits and reduced service life.
An electronic lock with waterproof function is designed. By setting a sealing groove, sealing gasket, fixing rod and sealing rod between the lock core shell and the rear shell, the rotation of the sealing rod and the insertion of the limiting block are used to achieve a sealing connection between the lock core shell and the rear shell to avoid moisture entering.
It effectively improves the waterproof performance of the electronic lock, prevents moisture from entering the lock core, extends the service life, and ensures the normal operation of the electronic lock in harsh environments.
Smart Images

Figure CN119801324A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of electronic locks, in particular to an electronic lock with a waterproof function. Background Art
[0002] Electronic locks are different from traditional mechanical locks and are more intelligent in terms of security and interactivity. With the application of microprocessors in electronic locks, functions such as intelligent management and analysis systems have been introduced. Therefore, electronic locks need to be equipped with components that cannot be exposed to water, such as batteries, PCBs and motors. Currently, electronic locks have various application scenarios and are mostly used outdoors, which are more likely to be exposed to wind, frost, rain and snow. For electronic locks as electronic products, waterproof performance is crucial for the long-term normal operation of electronic locks. Once the components inside the electronic lock that cannot be exposed to water are invaded by water, short circuits are likely to occur.
[0003] China Patent Network CN209837953U discloses a mechanical electronic fingerprint lock core, including a lock core housing, a drive component and a lock body component, the drive component including a motor, a circuit board and a mechanical opening and closing lock; the motor is electrically connected to the circuit board, and a motor magnet is rotatably provided on it, and a mechanical magnet is rotatably provided on the mechanical opening and closing lock; a motor clutch and a mechanical clutch are also provided on the lock core housing; the motor magnet is driven by the motor to rotate on the lock core housing, and when rotating, the motor clutch is pushed or adsorbed by magnetic force to move on the lock core housing, the motor clutch is engaged or separated with the lock body component when moving, and after engaging, the lock body component is driven by the motor to realize the unlocking action; the mechanical magnet is driven by the mechanical opening and closing lock to rotate on the lock core housing, and when rotating, the mechanical clutch is pushed or adsorbed by magnetic force to move on the lock core housing, the mechanical clutch is engaged or separated with the lock body component when moving, and after engaging, the lock body component is driven by the mechanical opening and closing lock to realize the unlocking action, which has strong practicality.
[0004] However, in the above technical solution, the lock cylinder rear shell is mainly fixed to the lock cylinder outer shell from the end by multiple screws, and fixing by screws may result in poor sealing, and water may easily enter from the screw holes, thereby affecting the internal components of the electronic lock and reducing the service life. Summary of the invention
[0005] The object of the present invention is to provide an electronic lock with a waterproof function to solve the problems raised in the above background technology.
[0006] To achieve the above object, the present invention provides the following technical solution: an electronic lock with a waterproof function, the electronic lock with a waterproof function comprising: an electronic lock body, a lock core housing is arranged at one end of the electronic lock body, a fingerprint contact plate is arranged on the surface of the lock core housing, a button is inserted into the lock core housing, a sealing groove is arranged on the end surface of the lock core housing, a sealing gasket is arranged in the sealing groove, a fixing rod is arranged on the side surface of the lock core housing, a moving hole is arranged on the end surface of the fixing rod, and a sliding groove is arranged on the side surface of the moving hole;
[0007] The rear shell of the lock core has a pressing plate on its surface, a vertical plate on its side, a through hole on the side of the vertical plate, a damping bearing in the through hole, a sealing rod on the inner ring surface of the damping bearing, and a limiting block on the surface of the sealing rod.
[0008] Preferably, the fingerprint contact plate is electrically connected to the electronic lock body, and the electronic lock body can be unlocked through the fingerprint contact plate. A sealing tube is provided on the surface of the lock core shell, and a protective cover is provided on the side of the button. The diameter of one end of the protective cover is larger than the diameter of the sealing tube. The protective cover is elastic and is glued to the outer ring surface of the button. The button can move up and down in the sealing tube.
[0009] Preferably, the fixing rod is fixedly connected to the side of the lock core housing, and two groups of fixing rods are provided, which are symmetrically distributed about the lock core housing. The slide groove is an annular plate structure as a whole, and a moving opening is opened on the side of the slide groove. The limit block can be inserted into the slide groove through the moving opening, and the limit block can rotate in the slide groove. The aperture of the other end of the moving hole is large enough to facilitate the insertion of the limit block into the moving hole, and the length of the long side of the slide groove side is less than the length of the long side of the sealing rod side.
[0010] Preferably, a positioning ring is provided in the movable hole, a limiting spring is provided on the surface of the positioning ring, one end of the limiting spring is fixedly connected to the surface of the positioning ring, the other end of the limiting spring is fixedly connected to the limiting ring, a positioning block is provided on the inner ring surface of the limiting ring, the positioning block is a square plate-shaped structure, and the outer ring surface of the positioning ring is fixedly connected to the surface of the movable hole.
[0011] Preferably, the sealing gasket is fixedly connected to the surface of the sealing groove, a water outlet is provided at the bottom of the sealing groove, the pressing plate is fixedly connected to the surface of the rear shell of the lock core, and the pressing plate can be inserted into the sealing groove.
[0012] Preferably, the vertical plate is fixedly connected to the side of the rear shell of the lock cylinder, and two groups of vertical plates are provided. The two groups of vertical plates are symmetrically distributed about the rear shell of the lock cylinder. The vertical plate has a square plate structure as a whole. The sealing rod is fixedly connected to the inner ring surface of the damping bearing. A movable groove is opened on the surface of the sealing rod. The positioning block is inserted into the movable groove, and the positioning block can slide along the movable groove.
[0013] Preferably, a rotation groove is provided on the end surface of the sealing rod, and a rotation tool can be inserted into the rotation groove to rotate the sealing rod. The rotation groove is a "cross" plate-like structure, and the sealing rod is fixedly connected to the inner ring surface of the damping bearing.
[0014] Preferably, an indicator plate is provided on the side of the vertical plate, the indicator plate is an arc-shaped plate structure as a whole, the indicator plate is glued to the surface of the vertical plate, and baffles are respectively provided on the two end surfaces of the indicator plate, and the baffles are square plate structures.
[0015] Preferably, a guide plate is provided on the side of the sealing rod, and the guide plate is in a square plate-shaped structure. The rotation of the guide plate is limited by two sets of baffles, and the rotation angle of the guide plate is the same as the curvature of the indicator plate.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] The electronic lock with waterproof function proposed by the present invention, when it is needed to seal and install one end of the lock core shell during use, the sealing rod is first rotated and then one end of the sealing rod can be inserted into the fixing rod. After being inserted into the fixing rod, the sealing rod is then rotated to reset the sealing rod, so that the limit block can be conveniently inserted into the slide groove, so that the sealing rod can be fixed in the fixing rod, and then the lock core rear shell can be fixed, so that the problem of external water stains entering the lock core shell and damaging the electronic lock body can be avoided through the extrusion cooperation between the pressing plate and the sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the device of the present invention;
[0019] Figure 2 This is a schematic diagram of the rear housing structure of the lock cylinder of the present invention;
[0020] Figure 3 It is a partial cross-sectional view of the device of the present invention;
[0021] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;
[0022] Figure 5 for Figure 3 The enlarged structural diagram at B in the middle;
[0023] Figure 6 It is a front view of the device of the present invention;
[0024] Figure 7 for Figure 6 The enlarged structural diagram at C in the middle;
[0025] Figure 8 It is a partial cross-sectional view of the lock cylinder housing of the device of the present invention;
[0026] Fig. 9 for Figure 8 The enlarged structural diagram at D in the middle;
[0027] Fig.10 It is a side view of the device of the present invention;
[0028] Fig.11 It is a partial cutaway rear and front view of the device of the present invention;
[0029] Fig.12 for Fig.11 The enlarged structural diagram at E in the middle;
[0030] Fig.13 A top view of the device of the present invention;
[0031] Fig.14 for Fig.13 Enlarged structural diagram at F in the middle.
[0032] In the figure: 1. electronic lock body; 2. lock core shell; 3. fingerprint contact plate; 4. button; 5. sealing groove; 6. sealing pad; 7. fixing rod; 8. moving hole; 9. slide groove; 10. lock core rear shell; 11. pressing plate; 12. vertical plate; 13. damping bearing; 14. sealing rod; 15. limit block; 16. sealing tube;
[0033] 17. Protective cover; 18. Moving port; 19. Positioning ring; 20. Limit spring; 21. Limit ring; 22. Positioning block; 23. Rotating groove; 24. Indicator plate; 25. Baffle; 26. Guide plate; 27. Water outlet;
[0034] 28. Mobile slot. DETAILED DESCRIPTION
[0035] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0036] Example 1: Please refer to Figure 1-Figure 14The present invention provides a technical solution: an electronic lock with a waterproof function, the electronic lock with a waterproof function comprising: an electronic lock body 1, a lock core housing 2 is arranged at one end of the electronic lock body 1, a fingerprint contact plate 3 is arranged on the surface of the lock core housing 2, a button 4 is inserted into the lock core housing 2, a sealing groove 5 is arranged on the end surface of the lock core housing 2, a sealing gasket 6 is arranged in the sealing groove 5, a fixing rod 7 is arranged on the side of the lock core housing 2, a moving hole 8 is arranged on the end surface of the fixing rod 7, and a sliding groove 9 is arranged on the side of the moving hole 8;
[0037] The lock cylinder rear shell 10 has a pressing plate 11 on its surface, a vertical plate 12 on its side, a through hole on its side, a damping bearing 13 in its through hole, a sealing rod 14 on its inner ring surface, and a limiting block 15 on its surface;
[0038] When it is necessary to seal and install one end of the lock core housing 2, first rotate the sealing rod 14 and then insert one end of the sealing rod 14 into the fixing rod 7. After being inserted into the fixing rod 7, rotate the sealing rod 14 to reset the sealing rod 14, so that the limit block 15 can be conveniently inserted into the slide groove 9, so that the sealing rod 14 can be fixed in the fixing rod 7, and then the lock core rear shell 10 can be fixed, so that the pressing plate 11 and the sealing gasket 6 can be squeezed and matched to prevent external water stains from entering the lock core housing 2 and causing damage to the electronic lock body 1.
[0039] Embodiment 2: Based on Embodiment 1, a protective cover 17 is provided to improve the waterproof effect of the button 4. The fingerprint contact plate 3 is electrically connected to the electronic lock body 1. The electronic lock body 1 can be unlocked by the fingerprint contact plate 3. A sealing tube 16 is provided on the surface of the lock core housing 2. A protective cover 17 is provided on the side of the button 4. The diameter of one end of the protective cover 17 is larger than the diameter of the sealing tube 16. The protective cover 17 is elastic. The protective cover 17 is glued to the outer ring surface of the button 4. The button 4 can move up and down in the sealing tube 16.
[0040] When in use, the protective cover 17 is fixed on the surface of the button 4. When water slides down the surface of the button 4, the protective cover 17 can pull the water outward, and then the sealing tube 16 is used to prevent the pulled water from flowing into the electronic lock body 1 through the gap between the button 4 and the lock core shell 2.
[0041] In order to facilitate the sealing between the lock cylinder rear shell 10 and the lock cylinder outer shell 2, a pressing plate 11 is provided, the sealing gasket 6 is fixedly connected to the surface of the sealing groove 5, the bottom of the sealing groove 5 is provided with a water outlet 27, the pressing plate 11 is fixedly connected to the surface of the lock cylinder rear shell 10, the pressing plate 11 can be inserted into the sealing groove 5, the end surface of the sealing rod 14 is provided with a rotating groove 23, the rotating tool can be inserted into the rotating groove 23 to rotate the sealing rod 14, the rotating groove 23 is a "cross" plate-shaped structure, and the sealing rod 14 is fixedly connected to the inner ring surface of the damping bearing 13;
[0042] When in use, first use a tool to insert the rotating groove 23 to rotate the sealing rod 14, so as to facilitate the sealing rod 14 to be inserted into the fixing rod 7 to fix the lock cylinder rear shell 10, and then the pressing plate 11 can be inserted into the sealing groove 5 to squeeze and seal the sealing gasket 6. When a large amount of water enters the sealing groove 5, it can be discharged in time through the water outlet 27 opened inside the sealing groove 5.
[0043] Embodiment 3: On the basis of embodiment 2, in order to facilitate the fixing of the lock cylinder rear shell 10, a sealing rod 14 is provided, a fixing rod 7 is fixedly connected to the side of the lock cylinder housing 2, two groups of fixing rods 7 are provided, and the two groups of fixing rods 7 are symmetrically distributed about the lock cylinder housing 2, the slide groove 9 is annular plate-shaped structure as a whole, a moving opening 18 is opened on the side of the slide groove 9, and the limit block 15 can be inserted into the slide groove 9 through the moving opening 18, and the limit block 15 can rotate in the slide groove 9, and the aperture of the other end of the moving hole 8 is large enough to facilitate the limit block 15 to be inserted into the moving hole 8, the length of the long side of the side of the slide groove 9 is less than the length of the long side of the side of the sealing rod 14, a positioning ring 19 is provided in the moving hole 8, and a limiting spring 20 is provided on the surface of the positioning ring 19, one end of the limiting spring 20 is fixedly connected to the surface of the positioning ring 19, and the other end of the limiting spring 20 is fixedly connected to the limiting ring 21, and the inner ring surface of the limiting ring 21 is provided with a positioning block 22, and the positioning block 22 is a square plate-shaped structure, and the outer ring surface of the positioning ring 19 is fixedly connected to the surface of the moving hole 8;
[0044] When in use, first insert the sealing rod 14 into the moving hole 8, insert the positioning block 22 into the moving groove 28, and then rotate the sealing rod 14 so that the limit block 15 set at one end of the sealing rod 14 can be easily inserted into the moving port 18, and then reset the sealing rod 14, so that the limit block 15 can be stuck in the slide groove 9, so that the sealing rod 14 can be fixed by the limit block 15 stuck in the slide groove 9, so that the lock core housing 2 and the lock core rear housing 10 can be fixedly connected, and then the torsion of the limit spring 20 is used to increase the stability of the sealing rod 14 to avoid the problem of the sealing rod 14 rotating in the moving hole 8.
[0045] In order to facilitate the rotation of the sealing rod 14, an indicator plate 24 is provided, an indicator plate 24 is provided on the side of the vertical plate 12, the indicator plate 24 is an arc-shaped plate-like structure as a whole, the indicator plate 24 is glued to the surface of the vertical plate 12, and baffles 25 are provided on the two end faces of the indicator plate 24 respectively. The baffles 25 are in a square plate-like structure, and a guide plate 26 is provided on the side of the sealing rod 14. The guide plate 26 is in a square plate-like structure. The rotation of the guide plate 26 is limited by two groups of baffles 25. The rotation angle of the guide plate 26 is the same as the curvature of the indicator plate 24. The vertical plate 12 is fixedly connected to the side of the lock cylinder rear shell 10. Two groups of vertical plates 12 are provided. The two groups of vertical plates 12 are symmetrically distributed about the lock cylinder rear shell 10. The vertical plate 12 is in a square plate-like structure as a whole. The sealing rod 14 is fixedly connected to the inner ring surface of the damping bearing 13. A movable groove 28 is provided on the surface of the sealing rod 14. The positioning block 22 is inserted into the movable groove 28, and the positioning block 22 can slide along the movable groove 28;
[0046] When the sealing rod 14 needs to be rotated during use, the rotation angle of the sealing rod 14 can be limited by the cooperation of the guide plate 26 and the two sets of baffles 25. On the one hand, it can conveniently avoid the problem of the sealing rod 14 rotating at will. On the other hand, it is also convenient for the limit block 15 set at one end of the sealing rod 14 to be quickly inserted into the moving port 18 for subsequent positioning. The setting of the damping bearing 13 is also convenient for limiting the sealing rod 14 to avoid the problem of rotation without the help of external force.
[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electronic lock with waterproof function, characterized in that: The electronic lock with waterproof function comprises: an electronic lock body (1), a lock core housing (2) is arranged at one end of the electronic lock body (1), a fingerprint contact plate (3) is arranged on the surface of the lock core housing (2), a button (4) is inserted into the lock core housing (2), a sealing groove (5) is arranged on the end surface of the lock core housing (2), a sealing gasket (6) is arranged in the sealing groove (5), a fixing rod (7) is arranged on the side surface of the lock core housing (2), a moving hole (8) is arranged on the end surface of the fixing rod (7), and a sliding groove (9) is arranged on the side surface of the moving hole (8); A lock core rear shell (10) is provided with a pressing plate (11) on the surface of the lock core rear shell (10), a vertical plate (12) is provided on the side of the lock core rear shell (10), a through hole is opened on the side of the vertical plate (12), a damping bearing (13) is provided in the through hole, a sealing rod (14) is provided on the inner ring surface of the damping bearing (13), and a limiting block (15) is provided on the surface of the sealing rod (14).
2. The electronic lock with waterproof function according to claim 1, characterized in that: The fingerprint contact plate (3) is electrically connected to the electronic lock body (1), and the electronic lock body (1) can be unlocked by the fingerprint contact plate (3). A sealing tube (16) is arranged on the surface of the lock core shell (2), and a protective sleeve (17) is arranged on the side of the button (4). The diameter of one end of the protective sleeve (17) is larger than the diameter of the sealing tube (16). The protective sleeve (17) is elastic and is glued to the outer ring surface of the button (4). The button (4) can move up and down in the sealing tube (16).
3. The electronic lock with waterproof function according to claim 1, characterized in that: The fixing rod (7) is fixedly connected to the side of the lock core housing (2). Two groups of fixing rods (7) are provided. The two groups of fixing rods (7) are symmetrically distributed with respect to the lock core housing (2). The slide groove (9) is an annular plate-shaped structure as a whole. A moving opening (18) is provided on the side of the slide groove (9). The limit block (15) can be inserted into the slide groove (9) through the moving opening (18). The limit block (15) can rotate in the slide groove (9). The aperture of the other end of the moving hole (8) is large enough to facilitate the limit block (15) to be inserted into the moving hole (8). The length of the long side of the side of the slide groove (9) is less than the length of the long side of the side of the sealing rod (14).
4. The electronic lock with waterproof function according to claim 1, characterized in that: A positioning ring (19) is arranged in the movable hole (8), a limiting spring (20) is arranged on the surface of the positioning ring (19), one end of the limiting spring (20) is fixedly connected to the surface of the positioning ring (19), the other end of the limiting spring (20) is fixedly connected to the limiting ring (21), a positioning block (22) is arranged on the inner ring surface of the limiting ring (21), the positioning block (22) is in a square plate-shaped structure, and the outer ring surface of the positioning ring (19) is fixedly connected to the surface of the movable hole (8).
5. The electronic lock with waterproof function according to claim 1, characterized in that: The sealing gasket (6) is fixedly connected to the surface of the sealing groove (5), a water outlet (27) is provided at the bottom of the sealing groove (5), and the pressing plate (11) is fixedly connected to the surface of the lock core rear shell (10), and the pressing plate (11) can be inserted into the sealing groove (5).
6. The electronic lock with waterproof function according to claim 1, characterized in that: The vertical plate (12) is fixedly connected to the side of the lock cylinder rear shell (10), and two groups of vertical plates (12) are provided. The two groups of vertical plates (12) are symmetrically distributed with respect to the lock cylinder rear shell (10). The vertical plates (12) are in a square plate-like structure as a whole. The sealing rod (14) is fixedly connected to the inner ring surface of the damping bearing (13). The surface of the sealing rod (14) is provided with a movable groove (28), and the positioning block (22) is inserted into the movable groove (28). The positioning block (22) can slide along the movable groove (28).
7. The electronic lock with waterproof function according to claim 1, characterized in that: The end surface of the sealing rod (14) is provided with a rotation groove (23), and a rotation tool can be inserted into the rotation groove (23) to rotate the sealing rod (14). The rotation groove (23) is a "cross" plate-like structure, and the sealing rod (14) is fixedly connected to the inner ring surface of the damping bearing (13).
8. The electronic lock with waterproof function according to claim 1, characterized in that: An indicator plate (24) is arranged on the side of the vertical plate (12), the indicator plate (24) is in an arc-shaped plate structure as a whole, the indicator plate (24) is glued to the surface of the vertical plate (12), and baffles (25) are respectively arranged on the two end surfaces of the indicator plate (24), and the baffles (25) are in a square plate structure.
9. The electronic lock with waterproof function according to claim 1, characterized in that: A guide plate (26) is arranged on the side of the sealing rod (14). The guide plate (26) is in a square plate structure. The rotation of the guide plate (26) is limited by two groups of baffles (25). The rotation angle of the guide plate (26) is the same as the curvature of the indicator plate (24).
Citation Information
Patent Citations
Mechanical electronic fingerprint lock cylinder
CN209837953U