CN217950022U

CN217950022U - Lock set

Info

Publication number: CN217950022U
Application number: CN202221653643.2U
Authority: CN
Inventors: 魏略; 王振贤; 陈勇
Original assignee: Changyuan Contron Power Security Technology Co Ltd
Current assignee: Changyuan Contron Power Security Technology Co Ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-02
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a lockset, which comprises a lock core and a key, wherein the lock core comprises a lock shell, an installation cavity is formed in the lock shell, one end of the lock shell is provided with a key jack, and the key jack is communicated with the installation cavity; a rotatable lock cylinder is arranged in the mounting cavity, a plurality of pins are embedded in the lock cylinder, and the end parts of the pins face the key insertion hole; a first absorbing part is arranged on one side, located in the key insertion hole, of the lock shell, or the first absorbing part is arranged on one side, facing the key insertion hole, of the lock liner; the key is provided with a key head, the key head is matched with the key jack in an inserting mode, a second adsorption piece is arranged on the key head, and the second adsorption piece is matched with the first adsorption piece. The utility model discloses can realize that the key inserts in the lock core fixedly with the lock core, avoid the key to be released the lock core by the elasticity of pellet shot from a slingshot, lead to unblanking the jamming and can not unblank the condition emergence even.

Description

Lock set

Technical Field

The utility model belongs to the technical field of the tool to lock, concretely relates to tool to lock.

Background

Cylinder locks, also known as ball locks, bead locks, bolt locks or pin tumbler locks, are one of the most common lock structures. The principle is to lock the plug using a plurality of cylindrical parts of different heights (called bolts, pins or balls). When the correct key is put in, the bolts are pushed to the same height, and the lock core is released.

The lock core of the existing spring lock is divided into an end face spring structure and a side face spring structure, when the lock core of the end face spring structure is used, because the spring can directly push against the front end part of a key, when the key is inserted into the lock core, the elasticity of the spring can push the key in the direction opposite to the insertion direction of the key, so that the key needs to be pushed against by force all the time in the unlocking process, the key is prevented from being pushed out of the lock core by the elasticity of the spring, and the unlocking jam or even the unlocking failure is caused.

Disclosure of Invention

An object of the utility model is to provide a tool to lock can realize that the key inserts in the lock core fixedly with the lock core, avoids the key to be released the lock core by the elasticity of pellet shot from a slingshot, leads to the circumstances that the jamming can not unblank even to take place.

The technical scheme for achieving the purpose comprises the following steps.

The utility model provides a lockset, which comprises a lock core and a key, wherein the lock core comprises a lock shell, an installation cavity is formed in the lock shell, one end of the lock shell is provided with a key jack, and the key jack is communicated with the installation cavity;

a rotatable lock cylinder is arranged in the mounting cavity, a plurality of pins are embedded in the lock cylinder, and the end parts of the pins face the key insertion hole;

a first suction accessory is arranged on one side, located at the key insertion hole, of the lock shell, or the first suction accessory is arranged on one side, facing the key insertion hole, of the lock cylinder;

the key is provided with a key head, the key head is matched with the key jack in an inserting mode, a second adsorption piece is arranged on the key head, and the second adsorption piece is matched with the first adsorption piece.

In some embodiments, an accommodating cavity is formed in the cylinder liner, the accommodating cavity is communicated with the key insertion hole, the first suction piece is arranged in the accommodating cavity, and the end of the first suction piece is close to the key insertion hole or extends into the key insertion hole and is suspended in the key insertion hole.

In some embodiments, an insertion hole is formed in the bottom wall of the accommodating cavity, an insertion section is arranged on the first suction piece, and the insertion section is inserted into the insertion hole and is in interference fit with the insertion hole.

In some embodiments, an accommodating hole is formed in a radial outer wall of the lock core, a first elastic member is arranged in the accommodating hole, a pressing member is arranged at the top end of the accommodating hole, one end of the pressing member presses against the first elastic member, the other end of the pressing member presses against a radial inner wall of the lock case, a clamping hole is formed in the radial outer wall of the lock case at a position corresponding to the accommodating hole, the clamping hole is communicated with the accommodating cavity, and part of the pressing member is clamped into the clamping hole.

In some embodiments, a plurality of embedding grooves are formed in the radial outer wall of the lock cylinder, one end of each embedding groove is communicated with the accommodating cavity, a blocking piece for closing the embedding groove is arranged at the other end of each embedding groove, the marble is embedded in each embedding groove, a second elastic piece is sleeved at one end of the marble, which is opposite to the accommodating cavity, and the other end of the second elastic piece is abutted against the blocking piece.

In some embodiments, a first connecting column is disposed at an end of the pin facing the second elastic member, a second connecting column is disposed at an end of the blocking member facing the second elastic member, and one end of the second elastic member is sleeved on the first connecting column and the other end is sleeved on the second connecting column.

In some embodiments, the key includes a key handle, the key handle is provided with the detachable key head, the key head is formed with a connecting end and an unlocking end, the unlocking end is provided with a fixing hole, and the second adsorption piece is arranged in the fixing hole and is in interference fit with the fixing hole.

In some embodiments, a mounting hole is formed in the key handle, and an insertion column is arranged at the connecting end and is arranged in the mounting hole.

In some embodiments, the key handle is provided with a first positioning hole, the first positioning hole is communicated with the mounting hole, the insertion column is provided with a second positioning hole, a positioning pin is arranged in the first positioning hole, and the end of the positioning pin penetrates through the first positioning hole and is inserted into the second positioning hole.

In some embodiments, a first positioning groove and/or a first positioning block is/are formed in the peripheral wall of the unlocking end of the key head, a second positioning block and/or a second positioning groove is/are formed in the radial inner wall of the key insertion hole, the second positioning block is in embedded fit with the first positioning groove, and the first positioning block is in embedded fit with the second positioning groove.

The utility model provides a lock, including lock core and key, through setting up the key jack that communicates the installation cavity inside the lock shell at one end of the lock shell of lock core, for the key inserts in the lock core, set up the key head on the key, through the key head inserts in the key jack, realize the cooperation of key and lock core; the lock comprises a lock shell, a lock core and a lock core, wherein a first absorbing part is arranged at one side position of the key insertion hole on the lock shell or at one side of the lock core, which faces the key insertion hole, a second absorbing part is arranged on the key head, when the key head is inserted into the key insertion hole, the end part of the key head is pressed against the end part of a marble, the second absorbing part on the key head and the first absorbing part on the lock shell or the lock core are mutually absorbed, so that after the key head is inserted into the key insertion hole, the second absorbing part and the first absorbing part are mutually absorbed, the fixation with the lock core is realized, the key is prevented from being pushed out of the lock core by the elasticity of the marble, and the situation that unlocking is blocked or even cannot be unlocked due to the fact that the key is not always abutted against the key during unlocking is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the key of the present invention inserted into the lock cylinder;

fig. 3 is an exploded view of the lock cylinder of the present invention;

fig. 4 is a schematic structural view of the lock case of the present invention;

FIG. 5 is a schematic structural view of the lock core of the present invention;

fig. 6 is an exploded view of the key of the present invention.

Description of reference numerals:

10. a lock cylinder; 101. a lock case; 1011. a mounting cavity; 1012. a key insertion hole; 1013. a position clamping hole; 1014. a limiting groove; 1015. a limiting hole; 1016. a blocking ring; 1017. a void avoidance area; 1018. a second positioning groove; 1019. a second positioning block;

102. a lock cylinder; 1021. an accommodating cavity; 1022. scarf jointing grooves; 1023. inserting holes; 1024. an extension rod; 1025. an accommodation hole; 1026. a first end; 1027. a second end; 1028. a third positioning groove;

103. marbles; 1031. a first connecting post; 1032. a blocking block; 104. a first elastic member; 105. a pressing member; 106. a second elastic member; 107. a blocking member; 1071. a second connecting column; 108. a retainer ring; 1081. A limiting rod; 1082. a limiting cavity;

20. a key; 201. a key handle; 2011. mounting holes; 2012. a first positioning hole; 202. a key head; 2021. a connecting end; 2022. an unlocking end; 2023. a fixing hole; 2024. inserting the column; 2025. a second positioning hole; 2026. a clamping groove; 2027. a first positioning block; 2028. a first positioning groove; 2029. an empty avoiding groove; 203. a key ring;

30. a first suction attachment; 301. a splicing section; 40. a second adsorption member; 50. and a positioning pin.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

As used herein, unless otherwise specified or defined, "first, \ 8230," is used merely to distinguish between names, and does not denote a particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It should be noted that "fixed to" or "connected to" in this document may be directly fixed to or connected to one element or may be indirectly fixed to or connected to one element.

As shown in fig. 1 to 6, a lock includes a key 20 and a lock core 10, wherein the lock core 10 includes a lock case 101, a mounting cavity 1011 is formed in the lock case 101, a key insertion hole 1012 communicating with the mounting cavity 1011 is formed at an end of the lock case 101, and a key head 202 for inserting into the key insertion hole 1012 is formed at an end of the key 20.

A rotatable lock cylinder 102 is arranged in the mounting cavity 1011, a first suction piece 30 is arranged at one end of the lock shell 101, which is located in the key insertion hole 1012, or the first suction piece 30 is arranged at one end of the lock cylinder 102, which faces the key insertion hole 1012, a second suction piece 40 is arranged on the key head 202, and when the key head 202 is inserted into the key insertion hole 1012, the second suction piece 40 and the first suction piece 30 are mutually magnetically attracted.

When the first attraction piece 30 is a metal piece, the second attraction piece 40 is a magnet, and when the first attraction piece 30 is a magnet, the second attraction piece 40 is a magnet or a metal piece, and the magnet may be a permanent magnet or an electromagnet.

In this embodiment, the first suction accessory 30 is preferably disposed on the lock core 102, an accommodating cavity 1021 is formed in one end of the lock core 102 facing the key insertion hole 1012, an insertion hole 1023 is disposed in the accommodating cavity 1021, an insertion section 301 is disposed at an end of the first suction accessory 30, and the first suction accessory 30 is inserted into the insertion hole 1023 through the insertion section 301 and fixed in the accommodating cavity 1021 in an interference fit with the insertion hole 1023.

The end of the first suction fitting 30 opposite the plug section 301 is adjacent to the key cylinder 1012 or extends into the key cylinder 1012 and overhangs the key cylinder 1012.

The key 20 comprises a key handle 201 and a key head 202, the key head 202 is detachably connected with the key handle 201, the key head 202 is provided with a connecting end 2021 connected with the key handle 201 and an unlocking end 2022 inserted into the key insertion hole 1012, the unlocking end 2022 is provided with a fixing hole 2023, and the second adsorption piece 40 is fixed in the fixing hole 2023 through interference fit.

The key handle 201 is provided with a mounting hole 2011, the connecting end 2021 is provided with an inserting column 2024, the key handle 201 is provided with a first positioning hole 2012, the first positioning hole 2012 is communicated with the mounting hole 2011, the inserting column 2024 is provided with a second positioning hole 2025, when the inserting column 2024 is inserted into the mounting hole 2011, the position of the second positioning hole 2025 corresponds to the first positioning hole 2012, the first positioning hole 2012 and the second positioning hole 2025 are sequentially inserted through a positioning pin 50, and the inserting column 2024 is fixed in the mounting hole 2011.

A plurality of engagement grooves 1022 are formed in the radial outer wall of the cylinder core 102, two ends of each engagement groove 1022 are open, a pin 103 is embedded in each engagement groove 1022, the end of the pin 103 extends into the accommodating cavity 1021 from the opening facing the key insertion hole 1012 or extends into the key insertion hole 1012, a second elastic piece 106 is arranged at the other end of the pin 103, a blocking piece 107 is arranged at the other end of the second elastic piece 106, the blocking piece 107 blocks the other opening of the engagement groove 1022, and the pin 103 and the second elastic piece 1022 are fixed in the engagement grooves 1022.

A first connecting post 1031 is disposed at an end of the pin 103 opposite to the key insertion hole 1012, a second connecting post 1071 is disposed at an end of the blocking member 107 facing the engagement groove 1022, one end of the second elastic member 106 is sleeved on the first connecting post 1031, and the other end is sleeved on the second connecting post 1071.

The embedding groove 1022 penetrates through the radial outer wall of the lock cylinder 102, a blocking block 1032 extending out of the lock cylinder 102 is arranged on the pin 103, a blocking ring 1016 extending towards the center direction of the installation cavity 1011 is arranged on the radial inner wall of the lock shell 101, and a clearance area 1017 is arranged on the blocking ring 1016 at a position corresponding to the pin 103.

In a normal state, the blocking block 1032 is disposed in the clearance area 1017 to block the lock cylinder 102 from rotating in the installation cavity 1011, and when the unlocking end 2022 is inserted into the key insertion hole 1012 and pressed against the pin 103, the blocking block 1032 compresses the second elastic member 106 under the squeezing action of the unlocking end 2022 so as to disengage from the clearance area 1017, so that the lock cylinder 102 can rotate in the installation cavity 1011.

The outer wall of the lock core 102 is in a step shape to form a first end 1026 and a second end 1027, the diameter of the first end 1026 is smaller than that of the second end 1027, a limiting hole 1015 is formed in the installation cavity 1011 at a position close to the key insertion hole 1012, the first end 1026 is inserted into the limiting hole 1015 and is rotatably arranged in the installation cavity 1011, and the connection stability of the lock core 102 is improved.

The lock shell 101 relatively with one of key jack 1012 is served and is equipped with the scarf joint at retaining ring 108 in the installation cavity 1011, retaining ring 108 contradicts on the tip of lock courage 102 be formed with spacing cavity 1082 on the retaining ring 108 the tip of lock courage 102 is equipped with extension rod 1024, extension rod 1024 passes retaining ring 108 extends to outside the installation cavity 1011 be equipped with the orientation on the retaining ring 108 the gag lever post 1081 that the extension rod 1024 direction extends, extension rod 1024 rotationally contradicts on the gag lever post 1081 for realize the unblock or lock back lock courage 102 continue to rotate at lock core 10.

At least one limiting groove 1014 is formed in one end of the lock shell 101, which is opposite to the key insertion hole 1012, a limiting block is arranged on the retaining ring 108, and the limiting block is embedded into the limiting groove 1014 to prevent the retaining ring 108 from displacing under the interference of the extension rod 1024.

A first positioning groove 2028 and/or a first positioning block 2027 are/is arranged on the outer peripheral wall of the unlocking end 2022 of the key head 202, a second positioning block 1019 and/or a second positioning groove 1018 are/is arranged on the radial inner wall of the key insertion hole 1012, when the key head 202 is inserted into the key insertion hole 1012, the first positioning groove 2028 is in scarf joint with the second positioning block 1019, or the first positioning block 2027 is in scarf joint with the second positioning groove 1018, so that the insertion between the key head 202 and the key insertion hole 1012 has a foolproof function.

A clearance groove 2029 is formed in the key head 202 at a position close to the unlocking end 2022, when the unlocking end 2022 is inserted into the key insertion hole 1012, an end of the unlocking end 2022 abuts against a tail end of the accommodating cavity 1021, the first positioning block 2027 passes through the key insertion hole 1012 and extends into the accommodating cavity 1021, a third positioning groove 1028 in clamping fit with the first positioning block 2027 is formed in the accommodating cavity 1021, and the second positioning block 1019 passes through the first positioning groove 2028 and extends into the clearance groove 2029.

When the lock is used, the key 20 rotates, and the unlocking end 2022 drives the lock cylinder 102 to rotate in the installation cavity 1011 through the matching of the first positioning block 2027 and the third positioning groove 1028.

A plurality of retaining grooves 2026 are formed in the outer peripheral wall of the unlocking end 2022 of the key head 202, when in use, the unlocking end 2022 is inserted into the key insertion hole 1012, at this time, one end of the pin 103 facing the key insertion hole 1012 is embedded in the retaining grooves 2026, so that the unlocking end 2022 is pressed against the pin 103, the second elastic member 106 connected to the other end of the pin 103 is pressed to generate a return elastic force acting on the unlocking end 2022, the fixing hole 2023 is externally sleeved on the second adsorption member 40, the end of the second adsorption member 40 enters the fixing hole 2023 to be mutually adsorbed by the first adsorption member 30, and the situation that the unlocking end 2022 is ejected from the key insertion hole 1012 by the return elastic force of the second elastic member 106 in a no-external-force state is avoided by the mutual adsorption of the first adsorption member 30 and the second adsorption member 40.

An accommodating hole 1025 is formed in the radial outer wall of the lock cylinder 102, a first elastic member 104 is arranged in the accommodating hole 1025, a pressing member 105 is arranged at the top end of the accommodating hole 1025, one end of the pressing member 105 presses against the first elastic member 104, and the other end extends out of the accommodating hole 1025 and presses against the radial inner wall of the lock case 101.

A position of the lock case 101 corresponding to the receiving hole 1025 is provided with a detent hole 1013, and an end of the pressing member 105 is at least partially engaged in the detent hole 1013. To position the cylinder core 102 for rotation within the housing 101 so that the user can confirm whether the lock cylinder 10 is rotated into position for unlocking or locking.

A key ring 203 is arranged on the key 20.

In this embodiment, the first elastic member 104 and the second elastic member 106 are both springs, and the pressing member 105 is a steel ball.

According to the lockset provided by the embodiment, a key insertion hole 1012 communicated with an installation cavity 1011 in the lock shell 101 is arranged at one end of the lock shell 101 of the lock core 10, so that the key 20 can be inserted into the lock core 10, a key head 202 is arranged on the key 20, and the key head 202 is inserted into the key insertion hole 1012, so that the key 20 is matched with the lock core 10; the lock shell 101 is located at one side of the key insertion hole 1012, or the lock cylinder 102 is provided with a first suction attachment 30 facing the key insertion hole 1012, the key head 202 is provided with a second suction attachment 40, when the key head 202 is inserted into the key insertion hole 1012, the end of the key head 202 is pressed against the end of the pin tumbler 103, the second suction attachment 40 on the key head 202 and the lock shell 101 or the first suction attachment 30 on the lock cylinder 102 are mutually sucked, so that after the key head 202 is inserted into the key insertion hole 1012, the second suction attachment 40 and the first suction attachment 30 are mutually sucked, the lock cylinder 10 is fixed, the key 20 is prevented from being pushed out of the lock cylinder 10 by the elastic force of the pin tumbler 103, and the key 20 does not need to be always collided with the key 20 during unlocking, so that unlocking jamming or even unlocking cannot occur.

The above embodiments are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the concept of the utility model belong to the protection scope of the utility model.

Claims

1. The lockset is characterized by comprising a lock cylinder and a key, wherein the lock cylinder comprises a lock shell, a mounting cavity is formed in the lock shell, one end of the lock shell is provided with a key jack, and the key jack is communicated with the mounting cavity;

a first absorbing part is arranged on one side, located in the key insertion hole, of the lock shell, or the first absorbing part is arranged on one side, facing the key insertion hole, of the lock liner;

2. The lock according to claim 1, wherein a receiving chamber is formed in the cylinder liner, the receiving chamber communicates with the key insertion hole, the first suction member is provided in the receiving chamber, and an end of the first suction member is close to the key insertion hole or extends into the key insertion hole and is suspended in the key insertion hole.

3. The lock set according to claim 2, wherein an insertion hole is formed in a bottom wall of the accommodating chamber, and an insertion section is provided on the first suction member and inserted into the insertion hole to be in interference fit with the insertion hole.

4. The lock according to claim 3, wherein a receiving hole is formed in a radially outer wall of the cylinder, a first elastic member is disposed in the receiving hole, a pressing member is disposed at a top end of the receiving hole, one end of the pressing member presses against the first elastic member, the other end of the pressing member presses against a radially inner wall of the lock case, a locking hole is formed in a position of the radially outer wall of the lock case corresponding to the receiving hole, the locking hole communicates with the receiving cavity, and a portion of the pressing member is locked in the locking hole.

5. The lock according to claim 2, wherein a plurality of embedding grooves are formed in the radial outer wall of the cylinder, one end of each embedding groove is communicated with the accommodating cavity, a blocking piece for closing the embedding groove is arranged at the other end of each embedding groove, the pin is embedded in each embedding groove, a second elastic piece is sleeved at one end of the pin opposite to the accommodating cavity, and the other end of the second elastic piece is abutted against the blocking piece.

6. The lock according to claim 5, wherein a first connecting post is provided at an end of the pin facing the second resilient member, a second connecting post is provided at an end of the blocking member facing the second resilient member, one end of the second resilient member is fitted over the first connecting post, and the other end is fitted over the second connecting post.

7. The lock according to any one of claims 1 to 6, wherein said key comprises a key handle, said key head is detachably disposed on said key handle, said key head is formed with a connecting end and an unlocking end, said unlocking end is formed with a fixing hole, said second adsorbing member is disposed in said fixing hole and is in interference fit with said fixing hole.

8. The lock of claim 7, wherein a mounting hole is formed in the key handle, and a plug post is disposed at the connecting end and disposed in the mounting hole.

9. The lock of claim 8, wherein the key handle defines a first positioning hole, the first positioning hole is in communication with the mounting hole, the plug post defines a second positioning hole, a positioning pin is disposed in the first positioning hole, and an end of the positioning pin is inserted into the second positioning hole through the first positioning hole.

10. The lock according to claim 7, wherein a first positioning groove and/or a first positioning block is provided on the outer peripheral wall of the unlocking end of the key head, a second positioning block and/or a second positioning groove is provided on the radial inner wall of the key insertion hole, the second positioning block is engaged with the first positioning groove in an embedded manner, and the first positioning block is engaged with the second positioning groove in an embedded manner.