TWI553208B - Electronic lock of the waterproof structure - Google Patents

Description

Waterproof structure of electronic lock

The present invention relates to a waterproof structure, and more particularly to a waterproof structure of an electronic lock motor and other components.

Under the current development, electronic locks have more sophisticated and complex identification methods, such as password input, chip sensing, fingerprint, iris recognition, etc., in the case of greatly improved security, it has gradually replaced traditional mechanical locks and become many The trend adopted by businesses or households.

The main purpose of the electronic lock is anti-theft. Therefore, in addition to the precision and correctness of the aforementioned identity recognition, the damage resistance and low failure of the mechanical structure of the electronic lock itself is an important part of the manufacturer or the consumer. By virtue of the improvement of the damage resistance, the original electronic control function of the lock is not destroyed by mechanical damage, and the locking function is maintained. As for the low failure, the durability of all components of the electronic lock itself must be achieved, such as the aging cycle of the plastic components, the life of the electronic components, the durability of the motor, the properness of the battery/power/circuit design, and the protection against moisture, fire, etc. Conditions, both deeply affect the life of the electronic lock and ease of use. If the electronic lock is often malfunctioning, it will not achieve the purpose of theft prevention, and it is more likely for the user to be inconvenient to use because it cannot open the door or enter.

Under normal circumstances, the key components of the electronic lock are the components that drive the lock except the identification component. One of the most important ones is the motor. Currently, the electronic locks on the market are not focused on waterproof or moisture-proof, so in the subtropical Taiwan, it is rainy and humid. In the environment, water easily penetrates into the lock or other parts through the gap between the components. In particular, the electronic lock is usually placed on the external door, which increases the leakage of water due to rain or splashing water, resulting in the interior of the electronic lock. Component failure, so there is a need to protect the motor from moisture intrusion and strengthen other parts. The invention is an invention of an electronic lock waterproof structure with a waterproof function to improve the low failure of the electronic lock.

The object of the present invention is to provide a waterproof structure capable of invading a motor by using a waterproof gel-like body to separate moisture from a motor, thereby maintaining normal operation without affecting the motor, and at the same time, achieving waterproofing at the same time to avoid damage. the goal of.

The second object of the present invention is to provide a waterproof structure and arrangement for strengthening the waterproof function of the electronic lock. By providing the waterproof gasket and the waterproof gasket, the sealing degree of the gap between the components is strengthened, and the penetration of moisture is avoided, thereby further enhancing the waterproof function. the goal of.

In order to achieve the foregoing, the present invention provides a waterproof structure for an electronic lock, comprising: a front knob; a front knob connected to one end of the front knob; a motor mounted in the knob, the motor end a protrusion is protruded, and a rotating shaft is extended on the protruding block; a clutch member group is connected to the motor; and a cam rotates when the motor drives the clutch member group to lock the opening and closing door; a seat is disposed between the motor and the clutch member, the connecting seat is provided with a chamber, the clutch member is accommodated, and a groove is formed on the other end surface of the chamber, the sealing groove includes an injection from one of the end edges The groove extends to a groove and extends a discharge groove to the opposite end edge, a through hole is formed in the groove for the shaft to pass through, and a bottom of the groove is formed between the hole and the discharge groove. The height of the block is such that the protrusion of the motor is received in the groove, the surface of the connecting seat is in contact with the corresponding surface of the motor; and a waterproof gel is filled in the groove. Inside, to prevent moisture from entering through the shaft Up, to waterproof function.

In one embodiment, the waterproof structure of the electronic lock, wherein the bump may have a cylindrical shape, and the groove corresponds to a concave cylindrical shape.

In another embodiment, the electronic lock waterproof structure, wherein the stopper may have a semi-circular shape.

In another embodiment, the waterproof structure of the electronic lock, wherein the waterproof gel can be a polydimethylsiloxane or a phase jelly-like, water-repellent compound.

In an embodiment, the waterproof structure of the electronic lock, wherein the connecting seat side An inner waterproof gasket may be further disposed on the surface, and the inner waterproof gasket is just between the outer surface of the connecting seat and the inner surface of the front knob.

In another embodiment, the waterproof structure of the electronic lock, wherein the front knob and the front knob are further provided with a waterproof gasket.

In another embodiment, the waterproof structure of the electronic lock, wherein the front knob comprises a casing and a body, and an outer waterproof gasket is further sleeved on the side surface of the seat body, and the outer waterproof gasket is tight Between the outer surface of the housing and the inner surface of the housing.

By the sealing groove in the embodiment of the invention and the waterproof gel-filled body filled therein, moisture can be prevented from entering the motor from the rotating shaft, thereby achieving the purpose of surely protecting the motor to avoid damage, and at the same time, waterproof gasket or waterproof pad by key connection. The setting of the film further strengthens the other internal waterproof function of the electronic lock, so as to achieve the purpose of protecting the electronic lock from moisture and moisture, and prolonging the service life of the electronic lock.

The embodiments of the present invention are further described in the following description, and the embodiments of the present invention are set forth to illustrate the present invention, and are not intended to limit the scope of the present invention. In the scope of the invention, the scope of protection of the invention is defined by the scope of the appended claims.

10‧‧‧ front knob

11‧‧‧Shell

12‧‧‧ body

121‧‧‧Installation space

122‧‧‧ first concave edge

13‧‧‧Outer waterproof gasket

14‧‧‧ grip

20‧‧‧Pre-rotation

21‧‧‧Waterproof gasket

22‧‧‧second concave edge

30‧‧‧Lock body

40‧‧‧Motor

41‧‧‧ shaft

42‧‧‧Bumps

50‧‧‧Connecting seat

501‧‧ ‧ room

51‧‧‧ Sealing

511‧‧‧Injection ditch

512‧‧‧ Groove

513‧‧ ‧block

514‧‧‧Drainage ditch

52‧‧‧Perforation

53‧‧‧Inner waterproof gasket

54‧‧‧Waterproof gel

60‧‧‧ clutch group

61‧‧‧ Extension tube

70‧‧‧ cam

80‧‧‧ rear knob

90‧‧‧ rear knob

The first figure is an exploded perspective view of an embodiment of the present invention.

The second figure is an enlarged schematic view of the motor and the connecting base of the embodiment of the present invention.

The third figure is a perspective view of the motor and the connector in another direction in the embodiment of the present invention.

The fourth figure is a schematic cross-sectional view of the motor and the connecting base after the embodiment of the present invention is assembled.

The fifth figure is a schematic view of the installation of the waterproof gasket in the embodiment of the present invention.

Figure 6 is a cross-sectional view showing the front knob and the front knob in the embodiment of the present invention.

The seventh figure is an exploded view of the front knob in the embodiment of the present invention.

Please refer to the first drawing, which is an exploded perspective view of an embodiment of the present invention. The general electronic lock may include a front knob 10, a front knob 20, a lock body 30, a motor 40, a clutch member set 60, a cam 70 and an inductive component (not shown). The front knob core 20 is connected to one end of the front knob 10, and the motor 40 is mounted in the front knob core 20, and is connected to the clutch member group 60. The clutch member group 60 and the front knob core 20 are further installed. In a lock body 30. When the sensing component successfully recognizes the user's identity, that is, the rotation of the driving motor 40, the rotation further interlocks the actuation of the clutch member 60, and is coupled to the cam 70, and then the rotation of the front knob 10 is enabled. Closed door lock. On the side of the electronic lock door, the door lock can be directly opened by mechanical means at the same time, and a rear button center 80 can be further provided and a rear knob 90 can be connected. When the knob 90 is rotated, the button core 90 can be interlocked and then rotated to the center 80. And a coupled cam 70 to open and close the door lock.

Please refer to the first and second figures at the same time. The second figure is an enlarged schematic view of the motor and the connecting base of the embodiment of the present invention. The motor 40 and the clutch member set 60 are indirectly provided with a connecting seat 50. One end of the connecting base 50 is provided with a receiving chamber 501, and one of the extending sleeves 61 of the clutch member group 60 is accommodated therein, and can be displaced forward and backward to further interlock the other members of the clutch member group 60.

The motor 40 is a source of power for driving the clutch assembly 60 and includes a shaft 41 and a projection 42. The protrusion 42 is disposed on the end surface of the motor 40, and the rotating shaft 41 extends from the protrusion 42 to protrude. The structure of the motor 40 is not particularly limited and can be used in general specifications.

Please refer to the third drawing, which is a perspective view of the motor and the connecting seat in the other direction of the embodiment of the present invention. The connecting seat 50 defines a groove 51 on the opposite end surface of the chamber 501. The sealing groove 51 includes an injection groove 511 extending from one of the end edges to a groove 512 and a discharge groove 514 extending to the opposite end edge. A through hole 52 is defined in the recess 512 for the rotating shaft 41 to pass through. In addition, a stopper 513 is protruded from the bottom of the groove 512 between the through hole 52 and the discharge groove 514. The height of the block 513 is such that the protrusion 42 of the motor 40 is received in the groove 512. The surface of the connecting block 50 is in contact with the surface of the corresponding motor 40, so that the sealing groove 51 is connected. A passage is formed between the seat 50 and the motor 40. The structural shape of the stopper 513 is not particularly limited, but the upper surface thereof preferably corresponds to the contact surface of the projection 42 and can be fitted without gaps. The block 513 can be an arc-shaped cylinder or a long rectangular cylinder. When the arc-shaped cylinder is a concave surface, the concave surface of the circular arc can face the perforation 52 or face the perforation 52. It is preferably oriented toward the perforations 52.

Please refer to the third and fourth figures at the same time. The fourth figure is a schematic cross-sectional view of the motor and the connecting base of the embodiment of the present invention. When the motor 40 is assembled with the connector 50, the sealing groove 51 forms a passage. At this time, a waterproof gel 54 is injected from the injection groove 511. During the continuous injection, the waterproof gel 54 is pushed forward to the groove 512, and is wrapped around the rotating shaft 41 through the rotating shaft 41, and then When pushing forward, the stopper 513 is encountered. After continuously filling the space before the stopper 513, the side of the stopper 513 is moved to the discharge groove 514, and when the discharge groove 514 is opened, the waterproof gel is seen. 54 overflow, it can be seen that the inside of the sealing groove 51 has been filled. The reason why the stopper 513 is provided is that after the waterproof rubber 54 is blocked, it can be continuously filled in the groove 512 without directly entering the discharge groove 514, thereby ensuring that the waterproof gel 54 is completely filled. In the groove 512 around the rotating shaft 41, the gap between the rotating shaft 41 and the projection 42 is completely covered. Therefore, when the clutch member group 60 is partially wetted by the cam 70, it is impossible to continue to leak to the motor 40 along the rotating shaft 41, thereby achieving the waterproof function of the motor 40.

The waterproof gel 54 is not particularly limited in material, and is only required to be a non-flowing gel, which can be poured and distributed in the sealing groove 51 without flowing out, and is hydrophobic to block moisture. Features can be. In the present embodiment, the waterproof gel 54 is a polydimethyl siloxane (an oil), which may also be a petrolatum or other lipid having the aforementioned characteristics.

Please continue to refer to the fourth figure. In order to further strengthen the waterproof function of the electronic lock, an inner waterproof gasket 53 can be disposed on the side surface of the connector 50. The inner waterproof gasket 53 can be tightly embedded in the second concave edge 22 provided on the inner surface of the front knob core 20, so that when assembled, the pair of clutch members 60 can be blocked from the front knob 20 The moisture in the gap between the inner surface and the outer surface of the connecting seat 50 penetrates to achieve the purpose of waterproofing.

Please refer to the fifth figure, which is a schematic diagram of the waterproof gasket installation in the embodiment of the present invention. In addition, in order to enhance another waterproof configuration, a waterproof gasket 21 may be added on the connecting surface of the front knob 20 and the front knob 10 to be disposed at the bottom of the installation space 121 (please refer to the sixth figure at the same time), and block The front knob 20 is connected to the front knob 10 to contact the moisture infiltrated by the slit.

Please refer to the sixth and seventh figures, which are schematic cross-sectional views and exploded perspective views of the front knob and the front knob in the embodiment of the present invention. Further, in order to block the front knob 10, the outer casing 11 and the seat body 12 are assembled, and the gap moisture is infiltrated therebetween, and can be displayed on the side of the seat body 12. A first concave edge 122 is formed on the surface, and an outer waterproof gasket 13 is sleeved on the first concave edge 122. Therefore, when the outer casing 11 is sheathed on the seat body 12, the outer waterproof gasket 13 is forced between the inner surface of the outer casing 11 and the outer surface of the seat body 12 to achieve moisture blocking.

40‧‧‧Motor

41‧‧‧ shaft

50‧‧‧Connecting seat

51‧‧‧ Sealing

511‧‧‧Injection ditch

512‧‧‧ Groove

513‧‧ ‧block

514‧‧‧Drainage ditch

52‧‧‧Perforation

Claims (7)

The waterproof structure of the electronic lock comprises: a front knob; a front knob core connected to one end of the front knob; a motor installed in the core of the knob, the motor protruding at one end with a bump on the bump Extending a shaft; a clutch member is connected to the motor; a cam rotates when the motor drives the clutch member to lock the door; a connecting seat is disposed on the motor and the clutch Between the groups, the connecting seat is provided with a chamber for accommodating the clutch member group, and a groove is formed on the other end surface of the chamber, the sealing groove includes an injection groove extending from one of the end edges to a groove and then extended to discharge a groove is formed in the groove, a through hole is formed in the groove for the shaft to pass through, and a bottom of the groove is formed between the hole and the discharge groove, and a block is protruded, and the height of the block is just right for the motor. The bump is received in the recess such that the surface of the connecting seat contacts the corresponding motor surface; and a waterproof gel is filled in the recess. The waterproof structure of the electronic lock according to claim 1, wherein the protrusion is cylindrical, and the groove is corresponding to a concave cylindrical shape. The waterproof structure of the electronic lock according to claim 1 or 2, wherein the stopper has a semi-arc shape. The waterproof structure of the electronic lock according to claim 1, wherein the waterproof colloidal system is polydimethyloxane. The waterproof structure of the electronic lock according to claim 1, wherein the side surface of the connecting seat is further provided with an inner waterproof gasket, and the inner waterproof gasket is just pressed against the outer surface of the connecting seat and the front knob. Between the surfaces. The waterproof structure of the electronic lock according to claim 1, wherein the front knob and the front A waterproof gasket is further arranged between the knobs. The waterproof structure of the electronic lock according to claim 1, wherein the front knob comprises a casing and a body, and the outer surface of the body is further sleeved with an outer waterproof gasket, and the outer waterproof gasket is just tight The outer surface of the seat is between the inner surface of the housing.