CN219327421U

CN219327421U - Password interlocking piece

Info

Publication number: CN219327421U
Application number: CN202222997257.1U
Authority: CN
Inventors: 王忠清; 刘振林
Original assignee: Duomima Technology Zhejiang Co ltd
Current assignee: Duomima Technology Zhejiang Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-07-11
Anticipated expiration: 2032-11-11

Abstract

The utility model belongs to the technical field of lock bodies, in particular to a coded interlocking piece, which comprises a shell, wherein a lock tongue plate capable of extending and retracting is arranged in the shell, and the shell is also internally provided with: the linkage plate is embedded in the lock tongue plate and can rotate relative to the lock tongue plate, and a rotating block and a driving block are respectively formed on the linkage plate; the pushing block can move up and down in the shell and can be propped against the lower end of the driving block; the lock wheel can rotate in the shell and is provided with an unlocking opening; the movable plate can move up and down in the shell and is provided with a positioning block which can extend into the unlocking opening and a push rod which extends to the lower end of the rotating block; the lock tongue plate is connected with a first spring, the first spring enables the driving block to have a trend of moving away from the upper end of the pushing block, the movable plate is connected with a second spring, and the second spring enables the positioning block to have a trend of extending into the unlocking opening. The interlocking piece is provided with a part with an optimized structure, and is easy to realize coordination control.

Description

Password interlocking piece

Technical Field

The utility model belongs to the technical field of lock bodies, and relates to a password interlocking piece.

Background

The coded lock realizes unlocking the lock body by inputting a correct code, and the unlocking part can be normally opened only when the code of the coded part on the coded lock is correct.

For example, CN202021440251.9 discloses a coded unlocking member, which comprises a linkage tongue which can extend and retract and is arranged in a shell, and the unlocking function is realized by the linkage of the extension of the linkage tongue and the lock body. The password unlocking piece needs to realize the control of the linkage tongue, and more complicated parts are needed to be matched, such as rotating pieces with complex shapes, and the parts are needed to be accurately matched due to complex structural shapes, so that the requirement on the production process is relatively high, and the production difficulty of the unlocking piece is further increased.

Disclosure of Invention

According to the problems, the utility model provides the password interlocking piece, and the parts of the interlocking piece are simple in structure and easy to realize matching, so that the interlocking piece has the effect of interlocking with the lock body.

The purpose of the utility model is realized in the following way:

the utility model provides a password interlock, includes the casing, is equipped with the spring bolt board that can stretch out and withdraw in the casing, still is equipped with in the casing: the linkage plate is embedded in the lock tongue plate and can rotate relative to the lock tongue plate, and a rotating block and a driving block are respectively formed on the linkage plate; the pushing block can move up and down in the shell and can be propped against the lower end of the driving block; the lock wheel can rotate in the shell and is provided with an unlocking opening; the movable plate can move up and down in the shell and is provided with a positioning block which can extend into the unlocking opening and a push rod which extends to the lower end of the rotating block; the movable plate is connected with a second spring, and the second spring enables the positioning block to have a trend of extending into the unlocking opening.

As a further description of the above technical solution, a reset groove is formed in the latch plate, a reset stop extending into the reset groove is formed in the housing, a third spring abutting against the reset stop is disposed in the reset groove, and the third spring makes the latch plate have a tendency to move into the housing.

As a further description of the above technical solution, the rotating block is abutted between the first spring and the ejector rod, a central block embedded in the latch bolt plate is formed on the rotating block, and the rotating block rotates relative to the latch bolt plate with the central block as a rotation center.

As a further description of the above technical solution, the housing is connected with a push button that can move up and down relative to the housing, and the push button is formed with the push block that extends into the housing.

As further description of the technical scheme, a limit column is formed in the shell, and a tension spring is connected between the push block and the limit column, so that the push block has a trend of being far away from the driving block.

As further description of the technical scheme, a limit groove is formed in the movable plate, the limit post stretches into the limit groove, and the limit groove can move up and down relative to the limit post.

As a further description of the above technical solution, the housing is connected to

As further description of the technical scheme, the code changing wheel propping against the space between the inner wall of the shell and the code wheel is sleeved on the rotating shaft, the code changing wheel can prop against the positioning block, the code changing groove is formed on the code changing wheel, the code changing wheel is provided with a code changing protruding block propping against the code changing groove, the rotating shaft is also sleeved with a fourth spring propping against the inner wall of the shell, the fourth spring enables the code wheel to have a trend of being far away from the outer wall of the shell, and a gap is reserved between the outer wall of the shell and the code wheel.

As further description of the technical scheme, the shell is connected with a button, a supporting rod extending into the shell is formed on the button, a fifth spring propped against the inner wall of the shell is sleeved on the supporting rod, and a code changing stop block propping against the lower end of the movable plate in the shell is further formed on the button.

As a further description of the above technical solution, a mating groove is formed at the lower end of the movable plate, and the mating groove is in shape fit with the code changing stop block.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

1. the interlocking piece is easier to form linkage fit among all parts while optimizing the parts matched with the inside, so that the internal structure of the interlocking piece is further simplified, the use effect is improved, the interlocking piece is easier to manufacture, and the production difficulty is reduced.

2. The interlocking piece can be matched with the movable plate through the lock wheel, the password wheel, the code changing wheel and the movable plate, and the limit of the button to the movable plate can be changed more easily and stably, so that the password of the unlocking piece is changed more conveniently and rapidly.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the present utility model in an exploded state.

Fig. 3 is a schematic diagram of the internal structure of the present utility model.

Fig. 4 is a schematic diagram of the internal structure of the present utility model.

Fig. 5 is a cross-sectional view of the present utility model.

Fig. 6 is a partial enlarged view of fig. 5.

Fig. 7 is a perspective view of the lock wheel.

Fig. 8 is a schematic perspective view of the escape wheel.

1-shell, 11-reset stop block, 12-limit post, 13-tension spring, 2-tongue locking plate, 21-first spring, 22-reset groove, 23-third spring, 3-linkage plate, 31-rotating block, 32-driving block, 33-center block, 4-movable plate, 41-positioning block, 42-ejector rod, 43-second spring, 44-limit groove, 45-matching groove, 5-lock wheel, 51-unlocking mouth, 52-code changing groove, 6-code wheel, 61-rotating shaft, 62-fourth spring, 7-code changing wheel, 71-code changing lug, 8-push button, 81-push block, 9-button, 91-supporting rod, 92-fifth spring and 93-code changing stop block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The utility model will be further described with reference to the following specific examples,

as shown in fig. 1-4, a coded interlocking piece comprises a shell 1, wherein a bolt plate 2 is arranged in the shell 1, and the bolt plate 2 can extend outwards to form linkage with a lock body when the interlocking piece is unlocked, so that an unlocking effect is achieved. Wherein, the bolt plate 2 is embedded with a rotatable linkage plate 3, when the linkage plate 3 rotates to the upper end of the push block 81 in the shell 1 when the driving block 32 is positioned, the linkage plate 3 drives the bolt plate 2 to extend out of the shell 1 by pushing the push block 81 to move upwards; the linkage plate 3 is pushed by the movable plate 4, the resilience of the second spring 43 in the shell 1 can push the movable plate 4 to move upwards, and the movable plate 4 pushes the rotating block 31 through the ejector rod 42, so that the linkage plate 3 rotates. In the case of unlocking, the lock wheel 5 in the shell 1 rotates to a direction that the unlocking opening 51 is not aligned with the positioning block 41 on the movable plate 4, the movable plate 4 cannot normally ascend by abutting against the positioning block 41, the second spring 43 is compressed, at the moment, the first spring 21 drives the rotating block 31, the linkage plate 3 rotates to a direction that the driving block 32 moves away from the upper end of the pushing block 81, the linkage between the pushing block 81 and the bolt plate 2 is disconnected, and the pushing block 81 cannot drive the bolt plate 2 to extend out of the shell 1; under the condition of unlocking, the lock wheel 5 rotates to the position where the unlocking opening 51 is aligned with the positioning block 41, at this time, the second spring 43 can rebound and push the movable plate 4 to be close to the lock wheel 5, the positioning block 41 on the movable plate 4 stretches into the unlocking opening 51 of the lock wheel 5, the rotating block 31 is pushed by the ejector rod 42 in the process of moving the movable plate 4 upwards, the linkage plate 3 rotates to the direction that the driving block 32 moves to the upper end of the pushing block 81, linkage is formed between the pushing block 81 and the lock tongue plate 2, and the lock tongue plate 2 stretches out of the shell 1 by pushing the linkage plate 3. The locating piece 41 is formed with the matched inclined end face with the unlocking opening 51, if the interlocking piece is required to return to an unlocking state after unlocking, the locking wheel 5 is only required to be normal, one end of the unlocking opening 51 of the locking wheel 5 can push the inclined end face on the locating piece 41 in the rotating process, the movable plate is pushed by the pushing force of downward movement, the locating piece 41 is led to withdraw from the unlocking opening 51, and at the moment, the locking wheel 5 is propped against the movable plate 4 again, so that the interlocking piece locks the coded lock.

As an improved embodiment, when the pushing block 81 pushes the driving block 32 of the linkage plate 3 to enable the latch plate 2 to extend out of the shell 1, the third spring 23 abutting against the reset stop 11 in the reset groove 22 is compressed, and when the pushing block 81 does not push the linkage plate 3 upwards, the third spring 23 can push the stressed end surface in the reset groove 22 to enable the latch plate 2 to retract into the shell 1 again through rebound, so that the reset of the latch plate 2 is ensured. Meanwhile, the third springs 23 are symmetrically distributed on the lock tongue plate 2, so that the lock tongue plate 2 can keep smooth stress when the lock tongue plate is subjected to the acting force of the third springs 23, and the lock tongue plate 2 is prevented from tilting in the moving process.

As an improved embodiment, the linkage plate 3 uses the rotating block 31 abutting between the first spring 21 and the ejector rod 42 as a stress end, the rebound of the first spring 21 and the upward movement of the ejector rod 42 push the rotating block 31 to drive the linkage plate 3 to rotate, and the linkage plate 3 uses the center block 33 with the side formed with an arc as a rotation center to realize stable rotation in the rotation process.

As a modified embodiment, after the interlocking member is installed to a position to be interlocked with the lock body, the push block 81 in the housing 1 can be moved up and down by pushing the push button 8 exposed to the outside of the housing 1.

As an improved embodiment, the push block 81 stretches the tension spring 13 which hooks the push block 81 and the limit post 12 in the process of moving upwards, and when the push block 81 is not pushed any more, the tension spring 13 can pull the push block 81 to move downwards through shrinkage, so that the push button 8 is driven to reset integrally.

As an improved embodiment, the limit post 12 for positioning the tension spring 13 extends into the limit groove 44 on the movable plate 4 to limit the range of the movable plate 4 when moving up and down, and the limit groove 44 can prop against the limit post 12 after the movable plate 4 moves a certain range.

As a modified embodiment, after the interlocking member is installed at a position in which the interlocking member is interlocked with the lock body, the lock wheel 5 in the housing 1 can be controlled to rotate by rotating the code wheel 6 exposed outside the housing 1, and the code wheel 6 drives the lock wheel 5 to rotate by being inserted into the housing 1 and passing through the rotating shaft 61 of the lock wheel 5. The interlocking piece can be provided with a plurality of cipher wheels 6, the surface of the cipher wheels 6 is provided with numbers, the surface of the shell 1 is provided with scale marks corresponding to the number of the cipher wheels 6, the numbers on the surface of the cipher wheels 6 can be aligned with the scale marks on the surface of the shell 1 through rotation, and the plurality of cipher wheels 6 simultaneously control the corresponding lock wheels 5 to rotate until the unlocking opening 51 is aligned with the positioning block 41 of the movable plate 4, and at the moment, the combination of the numbers aligned with the scale marks on each cipher wheel 6 can unlock the interlocking piece.

As shown in fig. 5-8, the interlocking piece can also replace the unlocking password, and the replacing method comprises the following steps: under the state that the interlocking piece is unlocked, the code wheel 6 is pushed towards the shell 1, so that the code changing wheel 7 in the shell 1 pushes the lock wheel 5 to compress the movable plate 4 to the inner side of the shell 1, the movable plate 4 cannot move in the shell 1 under the state that the positioning block 41 stretches into the unlocking opening 51, meanwhile, the lock wheel 5 is compressed by the code changing wheel 7, the code changing wheel 6 is rotated by force at the moment, the code changing wheel 6 drives the code changing wheel 7 to rotate when rotating, at the moment, the code changing protruding block 71 on the code changing wheel 7 is separated from the code changing groove 51 on the lock wheel 5, the code changing wheel 7 rotates the lock wheel 5 and is not rotated until the code changing protruding block 71 is propped into the code changing groove 51 again after the code changing wheel 6 stops rotating, at the moment, the number corresponding to the scale mark on the surface of the shell 1 is changed, and the number combination aligned with the scale mark on the code changing wheel 6 can be the new code of the interlocking piece. Because the fourth spring 62 propped between the inner wall of the shell 1 and the lock wheel 5 is sleeved on the rotating shaft 61 of the code wheel 6, when the code wheel 6 is pressed to the shell 1, the lock wheel 5 can squeeze the third spring 62, and after the code is replaced by the interlocking piece, the code wheel 6 is loosened, and at the moment, the third spring 62 can push the lock wheel 5 through rebound and drive the code wheel 6 to reset with the code wheel 7. In the shell 1, the lock wheel 5 drives the code changing wheel 7 to synchronously rotate through the code changing lug 71 propped into the code changing groove 52, and the code changing groove 51 and the code changing lug 71 are distributed in an aligned annular shape.

As shown in fig. 1-4, when the password is replaced, by pressing the button 9, the code changing stop block 93 in the casing 1 can be blocked at the lower end of the movable plate 4, so that the movable plate 4 is further prevented from moving in the casing 1 in the password changing process of the interlocking piece, the positioning block 41 is prevented from leaving the unlocking opening 51, and the condition that the movable plate 4 cannot limit the lock wheel 5 to enable the code changing wheel 7 to drive the lock wheel 5 to rotate in the password changing process of the interlocking piece, so that the password replacing function is invalid is avoided. Because the fifth spring 92 is sleeved on the supporting rod 91 in the shell of the button 9, when the button 9 is pressed, the supporting rod 91 drives the fifth spring 92 to move towards the inner wall of the shell 1, so that the fifth spring 92 is compressed, and when the password is replaced, the button 9 is released, and the fifth spring 9 can push the button 9, so that the button 9 is reset.

As an improved embodiment, when the button 9 is pressed, the code changing stop 93 on the button 9 can be abutted into the matching groove 45 at the lower end of the movable plate 4, so that the button 9 can be accurately abutted against the movable plate 4 through the code changing stop 93, and the collision between the button 9 and the movable plate 4 is avoided.

In summary, the internal part of the interlocking piece has a simple structure, is easy to realize matching, effectively reduces the overall production and manufacturing difficulty of the interlocking piece, and can stably realize password replacement, so that the interlocking piece is not limited to single password combination.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a password interlock, includes the casing, is equipped with the spring bolt board that can stretch out and withdraw in the casing, its characterized in that still is equipped with in the casing:

the linkage plate is embedded in the lock tongue plate and can rotate relative to the lock tongue plate, and a rotating block and a driving block are respectively formed on the linkage plate;

the pushing block can move up and down in the shell and can be propped against the lower end of the driving block;

the lock wheel can rotate in the shell and is provided with an unlocking opening;

the movable plate can move up and down in the shell and is provided with a positioning block which can extend into the unlocking opening and a push rod which extends to the lower end of the rotating block;

the movable plate is connected with a second spring, and the second spring enables the positioning block to have a trend of extending into the unlocking opening.

2. The combination interlock of claim 1 wherein the latch plate has a reset slot formed therein, a reset stop extending into the reset slot is formed in the housing, a third spring is disposed in the reset slot and is biased against the reset stop, the third spring causing the latch plate to have a tendency to move into the housing.

3. The combination interlock of claim 1 wherein the rotational block is disposed between the first spring and the carrier rod, the rotational block having a center block embedded therein, the rotational block rotating relative to the latch plate about the center block as a center of rotation.

4. The combination lock of claim 1, wherein the housing is coupled to a push button that moves up and down relative thereto, the push button having the push block formed thereon that extends into the housing.

5. The combination interlock of claim 1 wherein a limit post is formed in the housing, a tension spring is connected between the push block and the limit post, the tension spring causing the push block to have a tendency to move away from the drive block.

6. The combination interlock of claim 5 wherein the movable plate has a limit slot formed therein, the limit post extending into the limit slot, the limit slot being movable up and down relative to the limit post.

7. The combination lock of claim 1, wherein the housing is coupled to a combination wheel having a shaft extending into the housing and through the lock wheel.

8. The code interlocking piece according to claim 7, wherein the rotating shaft is sleeved with a code changing wheel propped between the inner wall of the shell and the code changing wheel, the code changing wheel can prop against the positioning block, a code changing groove is formed in the code changing wheel, a code changing protruding block propped in the code changing groove is formed in the code changing wheel, the rotating shaft is sleeved with a fourth spring propped against the inner wall of the shell, the fourth spring enables the code changing wheel to have a trend of being far away from the outer wall of the shell, and a gap is reserved between the outer wall of the shell and the code changing wheel.

9. The combination lock according to claim 1, wherein a button is connected to the housing, a support rod extending into the housing is formed on the button, a fifth spring is sleeved on the support rod and abuts against the inner wall of the housing, and a code changing stop block capable of abutting against the lower end of the movable plate in the housing is further formed on the button.

10. The combination lock according to claim 9, wherein the lower end of the movable plate is formed with a fitting groove which is shape-fitted with the escape stopper.