CN220849187U - Cat eye unlocking prevention structure of intelligent lock - Google Patents

Abstract

The utility model relates to an anti-cat eye unlocking structure of an intelligent lock, which comprises a handle, a shell, a supporting shaft and a sliding block assembly, wherein the handle is rotatably arranged on the shell, the handle comprises a rotating shaft, the rotating shaft is rotatably sleeved on the supporting shaft, a fixed end extends out of the supporting shaft and is fixed on the shell through the fixed end, a limiting cavity is arranged on the rotating shaft, an elastic limiting shaft is arranged in the limiting cavity, the supporting shaft is provided with a limiting notch at a position corresponding to the elastic limiting shaft, the sliding block assembly is slidably arranged on the shell at the lower end of the elastic limiting shaft, the sliding block assembly slides upwards to press the elastic limiting shaft, the elastic limiting shaft stretches into the limiting notch to limit the rotation of the handle, the sliding block assembly slides downwards, and the elastic limiting shaft resets elastically to release the rotation limitation of the handle. The utility model provides a cat eye unlocking preventing structure of an intelligent lock with a simpler assembly structure.

Description

Cat eye unlocking prevention structure of intelligent lock

Technical Field

The utility model relates to the field of intelligent locks, in particular to a cat eye unlocking preventing structure of an intelligent lock.

Background

Prevent that cat eye unblanks and is an anti-theft structure of intelligent lock, form the through-hole after the cat eye is unblanked through destroying, stretch into behind the door with specialized tool through this through-hole, and push down the handle behind the door and open intelligent lock, consequently, in order to prevent to steal with the cat eye unblanking, the structure of preventing cat eye unblanking is generally set up on can intelligent lock, the handle in the locking door is through the structure of preventing cat eye unblanking, make the interior handle of door unable rotation, thereby make it unable to open the lock through the cat eye, the relative comparatively complicacy of the structure of preventing cat eye unblanking of intelligent lock on the market, the equipment cost is higher.

Disclosure of utility model

The utility model aims to solve the technical problems and provide a cat eye unlocking prevention structure of an intelligent lock.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model provides a cat eye of preventing of intelligence lock unblanks structure, includes handle, casing, back shaft and slider subassembly, the rotatable installation of handle is in on the casing, the handle includes the pivot, the pivot rotatable cup joints on the back shaft, the support axial outside extends has the stiff end, through the stiff end is fixed on the casing, be equipped with spacing chamber in the pivot, spacing intracavity is equipped with the spacing axle of elasticity, the back shaft is in correspondence the position of the spacing axle of elasticity is equipped with spacing breach, slider subassembly slidable installs on the casing of the spacing axle lower extreme of elasticity, slider subassembly upwards slides and supports presses the spacing axle of elasticity, makes the spacing axle of elasticity stretches into the rotation of restriction handle in the spacing breach, slider subassembly downwardly sliding, the spacing axle elastic reset of elasticity is released the rotation restriction to the handle.

According to the anti-cat eye unlocking structure of the intelligent lock, the supporting shaft can support the rotation of the rotating shaft of the handle in the reset state of the elastic limiting shaft, so that the intelligent lock can be normally unlocked through the rotation of the handle in the door, when the elastic limiting shaft stretches into the limiting notch, the handle is blocked in the limiting notch of the supporting shaft and cannot rotate under the limiting effect of the elastic limiting shaft due to the fact that the supporting shaft cannot rotate, the handle in the door is prevented from being rotationally unlocked by the cat eye, the elastic limiting shaft can be elastically compressed and jacked into the limiting notch when the sliding block component slides upwards, the elastic limiting shaft is elastically reset when the sliding block component slides downwards, the anti-cat eye unlocking structure of the intelligent lock is simple in structure, the elastic limiting shaft is arranged in the handle, and the sliding block component is installed at a position corresponding to the position of the elastic limiting shaft along with the assembly of the handle, so that the assembly is very convenient.

Further, the elastic limiting shaft comprises a limiting shaft body and a first spring, one side of the first spring is propped against the inner wall of the limiting cavity, the other side of the first spring is propped against the limiting shaft body, and the first spring provides reset elastic force for the limiting shaft body. The first spring is compressed when the sliding block assembly slides upwards, and resets when the sliding block assembly slides downwards, so that the limiting shaft body also resets.

Still further, be equipped with the spacing ring on the spacing axis body, first spring supports and presses one side of spacing ring, be equipped with limit baffle in the spacing chamber, limit baffle supports and presses the opposite side at the spacing ring. The first spring offsets with the spacing ring, and the first spring of being convenient for applys elasticity to spacing axis body to first spring can cup joint outside the spacing axis body of part, and the spacing axis body of part that makes cup joint can provide certain support for first spring, avoids the position emergence skew of first spring to lead to its functional failure.

Still further, limit sockets are formed in the limit cavity, and the limit baffle is inserted into the limit cavity through the limit sockets. The limit baffle is installed through the limit socket, so that the structure of the limit cavity is simplified, and the limit structure cost is lower.

Still further, the handle still includes the handle, the pivot includes square shaft section, the handle grafting is installed on the square shaft section. The square shaft section can be in transmission with the handle, and the handle can be installed on the square shaft section according to the installation direction selected by a user.

Still further, be equipped with the guide post on the pivot, be equipped with the guide slot on the casing, the guide post stretches into in the guide slot. The guide post and the guide groove are matched to guide the rotation of the rotating shaft.

Still further, the slider assembly includes slider main part and elastic locating piece, be equipped with the sliding tray on the casing, the slider main part can be installed in the sliding tray of sliding from top to bottom, the elastic locating piece is used for the position of location slider main part in the sliding tray.

Still further, the slider body extends outward of the housing body with an operating block. The sliding of the sliding block assembly is convenient for a user to operate through the operation block.

Still further, the elastic locating piece includes locating ball and second spring, be equipped with the constant head tank in the slider main part, be equipped with the locating hole on the sliding tray, second spring one side is supported and is pressed in the constant head tank, and the opposite side will the locating ball is supported and is pressed in the locating hole. The positioning groove can provide limit for the second spring and the positioning ball, so that the position of the second spring is prevented from being deviated, and the positioning ball can move between the positioning holes under the action of external force due to the shape of the positioning ball.

Still further, the locating hole is equipped with two at least, and two the position of locating hole corresponds respectively with the elasticity spacing axle stretches into the position in the spacing breach or with the elasticity spacing axle resets.

Drawings

Fig. 1 is a perspective view of the front of the smart lock of the present utility model.

Fig. 2 is a cross-sectional view of the smart lock of the present utility model.

Fig. 3 is a partial enlarged view of fig. 2.

Fig. 4 is a perspective view of the rear of the smart lock of the present utility model.

Fig. 5 is a schematic view showing a reset state of the elastic limiting shaft according to the present utility model.

Detailed Description

The utility model discloses a cat eye unlocking prevention structure of an intelligent lock, which is described by combining with the accompanying drawings.

The anti-cat eye unlocking structure of the intelligent lock shown in fig. 1 to 5 prevents the handle 1 from rotating by locking the handle 1, thereby preventing the handle 1 from being unlocked by the operation of the cat eye, the intelligent lock comprises the handle 1, a shell 2, a support shaft 3 and a slide block component 4, wherein the handle 1 is rotatably arranged on the shell 2, the handle 1 comprises a rotating shaft 11, the rotating shaft 11 is rotatably sleeved on the support shaft 3, the support shaft 3 is outwards extended with a fixed end 31, the support shaft 3 is fixed on the shell 2 through the fixed end 31, a limit cavity 112 is arranged on the rotating shaft 11, an elastic limit shaft 5 is arranged in the limit cavity 112, the support shaft 3 is provided with a limit notch 32 at a position corresponding to the elastic limit shaft 5, the slide block component 4 is slidably arranged on the shell 2 at the lower end of the elastic limit shaft 5, the slider assembly 4 slides upwards to prop against the elastic limiting shaft 5, make the elastic limiting shaft 5 stretches into limit the rotation of handle 1 in spacing breach 32, the slider assembly 4 slides downwards, elastic limiting shaft 5 elasticity resets and releases the rotation restriction to handle 1, the rotation of pivot 11 of handle 1 can be supported under the elastic limiting shaft 5 reset state to back shaft 3, make the intelligent lock can normally rotate through the handle 1 in this door and unlock, when elastic limiting shaft 5 stretches into in the spacing breach 32, because back shaft 3 is fixed and can not rotate on casing 2 for handle 1 also blocks in spacing breach 32 of back shaft 3 and can not rotate under the spacing effect of elastic limiting shaft 5, thereby prevent to rotate the unlocking to handle 1 in the door from the cat eye. The specific user can control through the position of operation slip slider subassembly 4 and prevent whether the cat eye unblanking structure opens, when preventing that the cat eye structure opens, the operation slider subassembly 4 upwards slides then can be with elasticity spacing axle 5 by elasticity compression and jack-in spacing breach 32 to make handle 1 can not rotate, thereby can not normally open the lock, when preventing that the cat eye structure closes, the operation slider subassembly 4 downwards slides then elasticity spacing axle 5 elasticity resets, and handle 1 can normally rotate and normally open the lock this moment.

As shown in fig. 2 and 3, the specific structure of the elastic limiting shaft 5 shown in fig. 3, the elastic limiting shaft 5 includes a limiting shaft body 51 and a first spring 52, one side of the first spring 52 is pressed against the inner wall of the limiting cavity 112, the other side of the first spring 52 is pressed against the limiting shaft body 51, the first spring 52 provides an elastic force for resetting the limiting shaft body 51, the first spring 52 is compressed when the sliding block assembly 4 slides upwards, and resets when the sliding block assembly 4 slides downwards, so that the limiting shaft body 51 also resets along with the elastic force.

In order to facilitate the elastic force of the first spring 52 to be applied to the limiting shaft body 51, the limiting shaft body 51 is provided with a limiting ring 511, the first spring 52 is propped against one side of the limiting ring 511, the limiting cavity 112 is provided with a limiting baffle 113, the limiting baffle 113 is propped against the other side of the limiting ring 511, the first spring 52 is propped against the limiting ring 511, the first spring 52 is convenient for applying the elastic force to the limiting shaft body 51, the limiting ring 511 is arranged at the middle position of the limiting shaft body 51, the first spring 52 can be sleeved outside part of the limiting shaft body 51, the sleeved part of the limiting shaft body 51 can provide a certain support for the first spring 52, the first spring 52 is prevented from being offset to cause the functional failure, the limiting baffle 113 limits the reset position of the limiting shaft body 51, and the limiting shaft body 51 is prevented from being ejected out of the limiting cavity 112 under the elastic force of the first spring 52.

As shown in the mounting structure of the limit baffle 113 in fig. 3, the limit cavity 112 is provided with a limit socket, the limit baffle 113 is inserted into the limit cavity 112 by the limit socket, the limit baffle 113 is integrally formed with the limit cavity 112, and is mounted through the limit socket, so that the structure of the limit cavity 112 is simplified, the limit structure cost is lower, the limit baffle 113 can be made of a material with higher strength than the limit cavity 112, the limit baffle 113 is not easy to deform and break, and the service life is longer.

As shown in fig. 3, the sliding block assembly 4 includes a sliding block main body 41 and an elastic positioning member, the housing 2 is provided with a sliding groove 22, the sliding block main body 41 is slidably mounted in the sliding groove 22 up and down, the elastic positioning member is used for positioning the sliding block main body 41 in the sliding groove 22, and one side of the sliding groove 22 is a detachable surface, so that the sliding block assembly 4 is convenient to be mounted in the sliding groove 22.

As shown in fig. 1, the slider body 41 extends outward from the housing 2 with an operation block 411, so that a user can operate the slider assembly 4 to slide through the operation block 411.

As shown in fig. 3, the elastic positioning member includes a positioning ball 42 and a second spring 43, a positioning groove 412 is provided in the slider body 41, a positioning hole 221 is provided in the sliding groove 22, one side of the second spring 43 is pressed against the positioning groove 412, the other side of the second spring is pressed against the positioning ball 42 in the positioning hole 221, the positioning groove 412 can provide a limit for the second spring 43 and the positioning ball 42, so that the second spring 43 is prevented from being deviated in position, and the positioning ball 42 can move between the positioning holes 221 under the action of an external force due to the shape of the positioning ball 42. The positioning hole 221 is preferably provided on the detachable face.

The positioning holes 221 are at least two, and the positions of the two positioning holes 221 correspond to the position of the elastic limiting shaft 5 extending into the limiting notch 32 or the position of resetting the elastic limiting shaft 5. As shown in fig. 3, the positioning ball 42 is positioned in the positioning hole 221 on the upper side, at this time, the slider body 41 pushes up the elastic limiting shaft 5, as shown in fig. 5, the positioning ball 42 is positioned in the positioning hole 221 on the lower side, at this time, the slider body 41 is not in contact with the elastic limiting shaft 5, the elastic limiting shaft 5 is automatically reset, and the surface of the slider body 41 in contact with the elastic limiting shaft 5 is an arc surface, and the arc surface does not affect the rotation of the elastic limiting shaft 5 along with the handle 1.

As shown in fig. 2, the handle 1 further includes a grip 12, the rotating shaft 11 includes a square shaft section 114, the grip 12 is inserted and mounted on the square shaft section 114, the square shaft section 114 may be a transmission of the grip 12, and the grip 12 may be mounted on the square shaft section 114 in a mounting direction selected according to a user's requirement.

As shown in fig. 4, the rotating shaft 11 is provided with a guide post 111, the housing 2 is provided with a guide groove 21, the guide post 111 extends into the guide groove 21, and the guide post 111 and the guide groove 21 cooperate to guide the rotation of the rotating shaft 11, so that the handle 1 rotates more stably.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims (10)

1. The utility model provides a cat eye unlocking structure is prevented to intelligence lock, its characterized in that, includes handle, casing, back shaft and slider subassembly, the rotatable installation of handle is in on the casing, the handle includes the pivot, the pivot rotatable cup joints on the back shaft, the support axial outside extends has the stiff end, through the stiff end is fixed on the casing, be equipped with spacing chamber in the pivot, spacing intracavity is equipped with the spacing axle of elasticity, the back shaft is in correspondence the position of the spacing axle of elasticity is equipped with spacing breach, slider subassembly slidable installs on the casing of the spacing axle lower extreme of elasticity, slider subassembly upwards slides and supports presses the spacing axle of elasticity, makes the spacing axle of elasticity stretches into the rotation of restriction handle in the spacing breach, slider subassembly downwardly sliding, the spacing axle elastic reset releases the rotation restriction to the handle.

2. The anti-cat eye unlocking structure of claim 1, wherein the elastic limiting shaft comprises a limiting shaft body and a first spring, one side of the first spring is propped against the inner wall of the limiting cavity, the other side of the first spring is propped against the limiting shaft body, and the first spring provides reset elastic force for the limiting shaft body.

3. The anti-cat eye unlocking structure of an intelligent lock according to claim 2, wherein the limiting shaft body is provided with a limiting ring, the first spring is propped against one side of the limiting ring, the limiting cavity is provided with a limiting baffle, and the limiting baffle is propped against the other side of the limiting ring.

4. The anti-cat eye unlocking structure of an intelligent lock according to claim 3, wherein the limit cavity is provided with a limit socket, and the limit baffle is inserted into the limit cavity through the limit socket.

5. The anti-cat eye unlocking structure of claim 1, wherein the handle further comprises a grip, the rotating shaft comprises a square shaft section, and the grip is inserted and mounted on the square shaft section.

6. The anti-cat eye unlocking structure of an intelligent lock according to claim 1, wherein a guide post is arranged on the rotating shaft, a guide groove is arranged on the shell, and the guide post extends into the guide groove.

7. The anti-cat eye unlocking structure of claim 1, wherein the slider assembly comprises a slider body and an elastic positioning member, a sliding groove is formed in the shell, the slider body is slidably mounted in the sliding groove up and down, and the elastic positioning member is used for positioning the position of the slider body in the sliding groove.

8. The anti-cat eye unlocking structure of claim 7, wherein the slider body extends outward of the housing with an operating block.

9. The anti-cat eye unlocking structure of claim 7, wherein the elastic positioning piece comprises a positioning ball and a second spring, a positioning groove is arranged in the sliding block main body, a positioning hole is arranged on the sliding groove, one side of the second spring is propped in the positioning groove, and the other side of the second spring is propped in the positioning hole.

10. The anti-cat eye unlocking structure of claim 9, wherein at least two positioning holes are provided, and the positions of the two positioning holes correspond to the position of the elastic limiting shaft extending into the limiting notch or the position of resetting the elastic limiting shaft respectively.