CN209742517U - Key for unlocking spring blade lock - Google Patents

Abstract

the utility model relates to a key for opening pellet shot from a slingshot blade lock, including the body of inserting that is used for twisting the head that the staff gripped and is used for inserting the lock body, the two sides of inserting the body all are provided with the secret code groove, and have seted up snakelike secret code tooth in the at least one side of inserting the body, at least one secret code groove break-over set the through-hole to, be provided with the secret code pearl in the through-hole the upper and lower both ends drill way of through-hole is provided with the retaining ring that is used for preventing the secret code pearl from falling out the through-hole.

Description

Key for unlocking spring blade lock

Technical Field

The utility model relates to a lock technical field, more specifically say, it relates to a key for opening pellet shot from a slingshot blade lock.

Background

the spring blade lock mainly comprises a lock sleeve and a lock core, wherein clamping parts such as a spring, a blade and the like are arranged between the lock sleeve and the lock core, after a key is inserted into the lock core, a snake-shaped hidden code tooth arranged on the key is matched and abutted with the blade, so that the blade releases the locking between the lock sleeve and the lock core, meanwhile, a point-shaped hidden code groove arranged on the key is matched and abutted with the spring, so that the spring releases the locking between the lock core and the lock sleeve, and at the moment, the lock core can rotate in the lock sleeve to realize the unlocking purpose.

The lock core pins are slidably arranged in the lock core and are arranged to move towards the spring pins, the spring pins are positioned in holes formed in the lock core shell and are biased by a spring beyond the rotation axis of the lock core, the number of the lock core pins arranged in each hole is basically greater than two, so that the length of each lock core pin is changed, different total length code values of the lock core pins can be combined, the depth of a dark code groove on a key needs to be matched with the code value to unlock the lock core pins, the more the number of the dark code grooves is, the more the number of the lock core pins arranged in each hole groove is, the more the number of finally formed locks and keys is matched, and the condition that the same key is not generated among the locks and the keys is avoided. For example, 5 hidden code grooves are provided, the number of lock cylinder pins in each lock cylinder hole is set to be 2, each lock cylinder has 5 different length changes, and the number of the finally formed locks and keys is as follows: 5 a 5-9765625, if there are 4 dark code slots, 5 a 5-390625.

From the above, it can be seen that only one tiny lock cylinder pin tumbler is required to have size change, the corresponding key is different and is limited by the thickness of the key insert body, and the change of the processing depth range of the combination groove cannot be too large, so that the size deviation is very small when the lock cylinder pin tumblers are arranged in different sizes. Even if the size difference is small, because the hidden code groove is directly grooved on the key insert body, the hidden code groove is still easy to copy a spare key after being rubbed by a lawless person, and the stealing behavior in the room is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a key that is used for opening pellet shot from a slingshot blade lock that theftproof performance is high.

In order to achieve the purpose, the method is realized by the following technical means: the utility model provides a key for opening pellet shot from a slingshot blade lock, includes the body of inserting that is used for twisting the head that the staff gripped and is used for inserting the lock body, the two sides of inserting the body all are provided with the secret code groove, and have seted up snakelike secret code tooth in the at least one side of inserting the body, at least one secret code groove break-over set to the through-hole, be provided with the secret code pearl in the through-hole the upper and lower both ends drill way of through-hole is provided with the retaining ring that is used for preventing the secret code pearl from falling out the through-hole.

The method is further optimized as follows: at least one surface of the plug body is provided with a mistake proofing groove along the length direction of the plug body, and the mistake proofing groove is not positioned at the center of the width of the plug body. The arrangement of the mistake-proofing groove can play a mistake-proofing role when a key is inserted, and the reverse insertion of the key is prevented.

The method is further optimized as follows: one side of the twisting head is provided with a first groove matched with the thumb of a human body, and the other side of the twisting head is provided with a second groove matched with the forefinger of the human body in a bending state. It accords with human engineering more to have set up first recess and second recess on twisting the head, and the travelling comfort of conveniently taking when taking the key to unblank, and owing to need press first recess, forefinger against the second recess with the thumb, when inserting the lock body, can let people produce muscle memory, has further played the mistake proofing ability of key when inserting the lock body.

The method is further optimized as follows: the number of the code grooves on one side of the insert body provided with the snake-shaped code teeth is smaller than that of the code grooves on the other side.

The method is further optimized as follows: the number of the code grooves on the other side surface of the insert body opposite to the snake-shaped code tooth is more than three, and the code grooves are not positioned on the same straight line. According to the arrangement, the code quantity of the key can be increased by the plurality of code grooves, and the code quantity of the key can also be increased by the change of the position degree due to the fact that the positions of the code grooves are different.

The method is further optimized as follows: the plug-in body is not positioned at the center of the width direction of the screw head. The plug body designed here is not in the center position of the width direction of the twisting head, so that the front and back sides of the key are convenient to observe, and the convenience in key operation is improved.

Compared with the prior art, the utility model the advantage lie in: through the arrangement mode, the combination bead is arranged on the plug body, the axis of the combination bead can be determined by the axis of the retaining ring and is coaxial, the surface height of the combination bead from the surface of the plug body can be guaranteed by the diameter of the combination bead and the high-precision assembling process, and the groove depth of the combination groove in the prior art is high, because the height difference needs the high-precision combination bead machining process and the high-precision assembling process to guarantee, namely, the combination value cannot be easily copied, a new key can be manufactured again by calling the combination value from a database of a factory, the anti-theft performance of the key is greatly improved, the combination groove and the snake-shaped combination tooth structure are integrated on the key at the same time, the complexity of the lock structure matched with the combination bead is higher, and the anti-theft performance is very high.

Drawings

FIG. 1 is a front view of the key of the present embodiment;

FIG. 2 is a schematic view of the reverse side of the key of this embodiment;

FIG. 3 is a schematic side view of the key in the present embodiment;

FIG. 4 is a schematic view A-A of FIG. 1;

Fig. 5 is a schematic view of the fitting state of the combination bead and the lock cylinder pin in the present embodiment.

In the figure, 1, insert; 2. snakelike secret code teeth; 3. a dark code slot; 4. a combination bead; 5. preventing the wrong groove; 6. screwing the head; 61. a first groove; 62. a second groove; 7. a retaining ring; 81. a lock cylinder pin tumbler; 82. and a lock cylinder spring.

Detailed Description

the present invention will be described in more detail with reference to the following embodiments, which are illustrative only and are not limiting to the scope of the present invention.

Examples

A key for unlocking a spring blade lock, which is shown in figures 1-5, comprises a screw head 6 and an insert 1, wherein the insert 1 is fixedly connected with the screw head 6, and the insert 1 is not positioned at the center of the width direction of the screw head 6. The anti-mistake groove 5 is arranged on one surface of the plug body 1, the anti-mistake groove 5 is not arranged at the width center position of the plug body 1, and the effect of preventing wrong insertion of the front side and the back side of the key is achieved. Be provided with on twisting head 6 towards the first recess 61 of the 1 length direction of inserted body, be provided with in another side with the perpendicular second recess 62 of the 1 length direction of inserted body, first recess 61 wherein is used for cooperating with human thumb, second recess 62 cooperates with human forefinger, when inserting the key, the key face of thumb one side is usually upwards to insert the lock body, so set up, not only made things convenient for taking of key, and can let people produce muscle memory, the mistake proofing ability of key when inserting the lock body has further been played.

The key is used for unlocking a spring blade lock which is provided with a spring and a blade at the same time, wherein a code groove 3 is arranged on two surfaces of an insert body 1, and a snake-shaped code tooth 2 is arranged on one surface. The serpentine combination tooth 2 is used for matching with the blade, and the combination groove 3 is used for matching with the lock cylinder marble 81. In order to improve the complexity of the key and the non-repeatability of the key processing, 4 dark code grooves 3 are arranged on the front side of the inserting body 1 at one time, 5 dark code grooves 3 are arranged on the back side of the inserting body and are not in the agreement straight line, and the arrangement mode improves the diversity of the arrangement positions of the dark code grooves 3 and further increases the position degree variable. Wherein, a code groove 3 which is arranged at the tail end of the plug-in body 1 on the front is arranged into a through hole form, a code bead 4 is arranged in the through hole, and the code bead 4 is fixed in the through hole through a retaining ring 7. Referring to fig. 5 specifically, the combination ball 4 and the lock cylinder pin 81 in the lock body are matched in a one-way extrusion manner, the lock cylinder spring 82 extrudes the lock cylinder pin 81, and then the lock cylinder pin 81 touches the spherical surface of the combination ball 4, that is, the effect of the lock cylinder pin 81 pressing against the spherical surface of the combination ball 4 is equivalent to the effect of the lock cylinder pin 81 extruding at the bottom of the hidden code groove 3. The axle center of the cipher bead 4 can be determined by the axle center of the retaining ring 7, and is coaxial, the surface height of the cipher bead 4 from the surface of the insert 1 can be ensured by the diameter of the cipher bead 4 and a high-precision assembly process, and the height is the groove depth of the cipher groove 3 in the prior art, because the height difference needs the high-precision machining process and the high-precision assembly process of the cipher bead 4 to ensure, namely, the cipher value cannot be easily copied by rubbing, a new key can be manufactured again by calling the cipher value from a database of an original factory, the anti-theft performance of the key is greatly improved, the structure of the cipher groove 3 and the snake-shaped cipher tooth 2 is integrated on the key, the structure complexity of a lockset matched with the cipher groove is higher, and the anti-theft performance is very high.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a key for opening pellet shot from a slingshot blade lock, is including the body of inserting that is used for twisting the head that the staff gripped and is used for inserting the lock body, its characterized in that, the two sides of inserting the body all are provided with the secret code groove, and have seted up snakelike secret code tooth in the at least one side of inserting the body, at least one secret code groove break-over set the through-hole into, be provided with the secret code pearl in the through-hole the upper and lower both ends drill way of through-hole is provided with the retaining ring that is used for preventing the secret code pearl from falling out the through.

2. A key for unlocking a cylinder blade lock according to claim 1, wherein an error-proofing groove is provided in at least one surface of said insert in a longitudinal direction thereof, and said error-proofing groove is not located at a central position of a width of said insert.

3. A key for unlocking a lock with tumbler blades according to claim 1, wherein a first groove for engaging with the thumb of a human body is formed on one side of the screw head, and a second groove for engaging with the forefinger of a human body in a bent state is formed on the other side of the screw head.

4. a key for opening a night lock according to claim 1, wherein the insert is provided with a number of code grooves on one side of the serpentine code tooth which is smaller than the number of code grooves on the other side.

5. A key for opening a night lock according to claim 4, wherein the number of combination grooves on the other side of the insert body opposite the serpentine combination tooth is greater than three and not collinear.

6. A key for opening a cylinder blade lock according to claim 1, wherein said insert is not located at the center in the width direction of the driver head.