Precise lock cylinder mechanism of cam lock busbar piece

By designing a precision lock cylinder mechanism with multiple female plates and two male plates, the first male plate is flush with the inner wall of the lock body after the key is inserted, which solves the problem of insufficient security of existing rotary locks and achieves higher security performance.

CN223523530UActive Publication Date: 2025-11-07SUZHOU LAIMEIQI HARDWARE CO LTD
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Patent Information

Application Number
CN202423020341.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-07
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing rotary locks have poor security performance. With only one letter plate, they are easily picked by criminals using tools, making it difficult to meet security requirements.

Method used

A precision lock cylinder mechanism with a rotating tongue lock and multiple female and male plates is designed. By setting multiple female plates and male plates, after the key is inserted, several male plates are pushed simultaneously, making their bottoms flush with the inner wall of the lock body, thus increasing security, and the lock can be opened with a special key.

Benefits of technology

It significantly improves the security performance of the lock, making it difficult for criminals to push all the sub-plates and determine the pushing distance. Only a special key can be used to unlock it, meeting the security needs of different occasions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cam lock mother-son row sheet precision lock cylinder mechanism, and relates to the technical field of cam locks. The lock comprises a lock body, the right side of the lock body is fixedly connected with a baffle ring, the outer surface of the lock body is in threaded connection with a hexagon nut, the interior of the lock body is rotationally connected with a lock cylinder rotating shaft, a second inserting groove is formed in the lock cylinder rotating shaft, a plurality of movable grooves are formed in the top of the second inserting groove, and a row piece base is embedded in the top of the inner wall of the lock body. According to the utility model, through the arrangement of the row sheet seat, specifically after a key is completely inserted, the plurality of sub row sheets I can be simultaneously pushed, so that the bottoms of the plurality of sub row sheets II are flush with the inner wall of the lock body, the safety performance can be improved by arranging the plurality of rows of mother row sheets and the sub row sheets II in the manner, and lawbreakers are difficult to push all the sub row sheets I; and the pushing distance of each sub-row sheet I cannot be known, and only a special key can be used for unlocking, so that the safety performance is greatly improved, and the safety requirements of different occasions are met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the turning tongue lock, especially relates to a turning tongue lock child-mother row piece precision lock cylinder mechanism. BACKGROUND

[0002] The turning tongue lock is a kind of simple structure and economic and efficient mechanical lock type, is widely used in various scenes.The existing turning tongue lock is usually only provided with one letter row piece to improve safety performance, and this way has poor safety performance, and the criminal finds the letter row piece using tool, directly pry the child row piece, can open the turning tongue lock, it is difficult to meet the safety demand in some safe occasion area. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of turning tongue lock child-mother row piece precision lock cylinder mechanism, by setting row piece seat, specifically is key is completely inserted, several child row pieces one are simultaneously pushed, the bottom of several child row pieces two is even with the inner wall of lock body, this way sets up multiple mother row piece and child row piece two It can improve safety performance, so that the criminal is difficult to push all child row pieces one, and cannot know how far each child row piece one is pushed, can only use special key to open, greatly improve safety performance, meet the safety demand of different occasions, solve the existing turning tongue lock inside usually only provided with one letter row piece to improve safety performance, and this way has poor safety performance, and the criminal finds the letter row piece using tool, directly pry the child row piece, can open the turning tongue lock, it is difficult to meet the safety demand problem.

[0004] To solve the above technical problem, the utility model is realized by the following technical scheme:

[0005] The utility model discloses a kind of turning tongue lock child-mother row piece precision lock cylinder mechanism, including lock body, the lock body right side is fixedly connected with fender ring, the lock body outer surface is connected with hexagon nut, the lock body inside is rotatably connected with lock cylinder pivot, the lock cylinder pivot inside is set with slot two, the slot two top is set with several movable grooves, the lock body inner wall top is inlaid with row piece seat, the row piece seat inner wall is fixedly connected with several mother row pieces, several the mother row piece inside is slidably connected with child row piece two, several The movable groove inside is slidably connected with child row piece one, the movable groove and child row piece two correspond, the bottom of child row piece two is arc concave setting, the top of child row piece one is arc convex setting, the bottom arc surface of child row piece two and the top arc surface of child row piece one are adapted.

[0006] Further, the center of the blocking ring is rotatably connected with a rotating block, a slot one is arranged in the rotating block, a connecting ring is fixedly connected to the left side of the rotating block, the left side of the lock core rotating shaft is fixedly connected with the right side of the connecting ring, the left side of the lock core rotating shaft penetrates through the lock body and extends outward, and the position of the left side of the lock core rotating shaft extending to the outside of the lock body is provided with a thread.

[0007] Further, the front and back of the movable groove are provided with limiting grooves, the front and back of the sub-row piece one are fixedly connected with protruding blocks, the top of the two protruding blocks is fixedly connected with springs one, the top of the spring one is fixedly connected with the top of the inner wall of the limiting groove, and the protruding block and the spring one are arranged in the limiting groove.

[0008] Further, the front and back of the movable groove are provided with limiting grooves, the front and back of the sub-row piece one are fixedly connected with protruding blocks, the top of the two protruding blocks is fixedly connected with springs one, the top of the spring one is fixedly connected with the top of the inner wall of the limiting groove, and the protruding block and the spring one are arranged in the limiting groove.

[0009] Further, the left side of the lock body is fixedly connected with a convex shaft, the inside of the convex shaft is provided with two fixed plates, the connected parts of the two fixed plates are same, the surface of the fixed plate is fixedly connected with an annular rod, the outer surface of the annular rod is slidably connected with a limiting plate, the outer side of the annular rod is provided with an arc spring, and one end of the annular rod away from the fixed plate is fixedly connected with a limiting shaft.

[0010] Further, the side of the two fixed plates close to the lock core rotating shaft is fixedly connected with the surface of the lock core rotating shaft, the side of the limiting plate away from the lock core rotating shaft is fixedly connected with the inner wall of the convex shaft, the side of the limiting shaft close to the limiting plate is in contact with the surface of the limiting plate, the side of the arc spring close to the fixed plate is fixedly connected with the surface of the fixed plate, and the side of the arc spring away from the fixed plate is fixedly connected with the surface of the limiting plate.

[0011] The utility model has the following beneficial effects:

[0012] 1, the utility model discloses a row piece seat is set up, specifically is that after the key is completely inserted, a plurality of sub-row piece one is simultaneously pushed, makes a plurality of sub-row piece two bottom all with lock body inner wall is even, this mode sets up and sub-row piece two of multiple rows of female row piece can improve safety performance, makes lawbreaker difficult to push all sub-row piece one, and can not know how far each sub-row piece one is pushed, can only use special key to open, greatly improves safety performance, satisfies the safety demand of different occasions.

[0013] 2. The utility model discloses a convex shaft is set up, specifically is the lock cylinder pivot when rotating will drive fixed plate movement together, and fixed plate drives annular rod to slide in the limiting sheet, and extrudes arc spring, can improve the stability of lock cylinder pivot rotation, after the key is loosened, lock cylinder pivot resets, after lock cylinder pivot resets, the limiting shaft will contact with the limiting sheet, is used for playing the role of positioning, makes the sub row piece no. 1 reset to the bottom of sub row piece no. 2, and the key is convenient for pulling out and sub row piece no. 2 is inserted into the movable slot and is fixed with lock cylinder pivot.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing makes a simple introduction, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the lock body front view sectional structure schematic diagram of the utility model;

[0018] Figure 3 It is the utility model Figure 2 It is the enlarged structure schematic diagram of A of the utility model;

[0019] Figure 4 It is the utility model

[0020] Figure 5 It is the convex shaft left side sectional structure schematic diagram of the utility model.

[0021] In the drawing, the component list represented by each sign is as follows:

[0022] 1, lock body;11, baffle ring;111, hexagon nut;12, lock cylinder pivot;121, connecting ring;122, rotating block;123, slot one;124, slot two;125, movable slot;251, sub row piece no. 1;252, convex block;253, spring no. 1;126, limiting groove;13, row piece seat;131, female row piece;132, sub row piece no. 2;133, limiting block;134, limiting rod;135, spring no. 2;14, convex shaft;141, fixed plate;142, annular rod;143, arc spring;144, limiting sheet;145, limiting shaft. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-5 As shown in the figure, the utility model is a kind of tongue lock lock cylinder mechanism, including lock body 1, lock body 1 right side fixedly connected with baffle ring 11, lock body 1 outer surface is connected with hexagon nut 111 by screw thread, lock cylinder shaft 12 is rotatably connected in lock body 1, plug groove two 124 is formed in lock cylinder shaft 12, a plurality of movable slots 125 are formed in the top of plug groove two 124, a plurality of mother row pieces 131 are fixedly connected in the inner wall of lock body 1, a plurality of child row pieces two 132 are slidably connected in the plurality of mother row pieces 131, a plurality of child row pieces one 251 are slidably connected in the plurality of movable slots 125, movable slot 125 and child row piece two 132 correspond, the bottom of child row piece two 132 is arc concave, the top of child row piece one 251 is arc convex, the bottom arc surface of child row piece two 132 and the top arc surface of child row piece one 251 are matched, by setting row seat 13, specifically, after key is completely inserted, a plurality of child row pieces one 251 are simultaneously pushed, so that the bottom of a plurality of child row pieces two 132 is flat with the inner wall of lock body 1, the safety performance can be improved by setting multiple mother row pieces 131 and child row pieces two 132, it is difficult for lawbreaker to push all child row pieces one 251, and it is impossible to know how far each child row piece one 251 is pushed, only special key can be used to unlock, the safety performance is greatly improved, and the safety requirement of different occasions is met.

[0025] Baffle ring 11 center rotatably connected with rotating block 122, plug slot one 123 is formed in rotating block 122, connecting ring 121 is fixedly connected to the left side of rotating block 122, connecting ring 121 is fixedly connected to the right side of lock cylinder shaft 12, lock cylinder shaft 12 left side penetrates lock body 1 and extends outward, the left side of lock cylinder shaft 12 extends to the position outside lock body 1 and is provided with screw thread, connecting ring 121 is used to connect rotating block 122 and lock cylinder shaft 12, so that the two rotate synchronously.

[0026] The front and back of the movable slot 125 are provided with limiting grooves 126, the front and back of the sub row sheet one 251 are fixedly connected with protrusions 252, the top of the two protrusions 252 is fixedly connected with springs one 253, the top of the spring one 253 is fixedly connected with the inner wall top of the limiting groove 126, the protrusion 252 and the spring one 253 are arranged in the limiting groove 126, after the key is pulled out, the sub row sheet one 251 is reset downward under the elastic action of the spring one 253, and the sub row sheet two 132 is reset downward under the elastic action and is inserted into the movable slot 125.

[0027] The front and back of the inner wall of the female row sheet 131 are fixedly connected with limiting blocks 133, the top of the two limiting blocks 133 is fixedly connected with limiting rods 134, the limiting rod 134 top penetrates the sub row sheet two 132 and extends to the inner wall top of the female row sheet 131 and is fixed, the limiting rod 134 is sleeved with a spring two 135, the top of the spring two 135 is fixedly connected with the inner wall top of the female row sheet 131, the bottom of the spring two 135 is fixedly connected with the top of the sub row sheet two 132, the bottom of the sub row sheet two 132 extends to the inside of the movable slot 125, when the key pushes the sub row sheet one 251 upward, the sub row sheet one 251 pushes the sub row sheet two 132 upward, so that the sub row sheet two 132 enters the female row sheet 131, and the sub row sheet two 132 slides on the limiting rod 134 and extrudes the spring two 135, at this time, the bottom of the sub row sheet two 132 is flat with the inner wall of the lock body 1.

[0028] The lock body 1 is fixedly connected with a convex shaft 14, the convex shaft 14 is internally provided with two fixed plates 141, the two fixed plates 141 are connected with the same parts, the surface of the fixed plate 141 is fixedly connected with an annular rod 142, the outer surface of the annular rod 142 is slidingly connected with a limiting plate 144, the outer side of the annular rod 142 is sleeved with an arc spring 143, one end of the annular rod 142 away from the fixed plate 141 is fixedly connected with a limiting shaft 145, by arranging the convex shaft 14, specifically, when the lock cylinder shaft 12 rotates, the fixed plate 141 moves together, the fixed plate 141 drives the annular rod 142 to slide in the limiting plate 144 and extrudes the arc spring 143, which can improve the stability of the rotation of the lock cylinder shaft 12, after the key is loosened, at this time, the lock cylinder shaft 12 resets, after the lock cylinder shaft 12 resets, the limiting shaft 145 contacts with the limiting plate 144, which plays a positioning role, so that the sub row sheet one 251 is smoothly reset to the bottom of the sub row sheet two 132, which is convenient for the key to be pulled out and the sub row sheet two 132 to be inserted into the movable slot 125 to fix the lock cylinder shaft 12.

[0029] Two fixed plates 141 are fixedly connected with the surface of the lock core rotating shaft 12 near one side of the lock core rotating shaft 12, the limiting plate 144 is fixedly connected with the inner wall of the convex shaft 14 away from one side of the lock core rotating shaft 12, the limiting shaft 145 is in surface contact with the limiting plate 144 near one side of the limiting plate 144, the arc-shaped spring 143 is fixedly connected with the surface of the fixed plate 141 near one side of the fixed plate 141, the arc-shaped spring 143 is fixedly connected with the surface of the limiting plate 144 away from one side of the fixed plate 141, the lock core rotating shaft 12 rotates to drive the fixed plate 141 to move, and the annular rod 142 slides on the limiting plate 144, so that the rotation of the lock core rotating shaft 12 is not affected, and the stability of the rotation can be improved.

[0030] One specific application of the embodiment is:

[0031] In use, the lock body 1 is inserted into the cabinet door, and then the hex nut 111 is screwed onto the lock body 1, and the lock body 1 is fixed by the cooperation of the retaining ring 11 and the hex nut 111, and then the lock bolt is installed at the threaded portion on the left side of the lock cylinder shaft 12, in use, the key is inserted into the slot one 123 on the rotating block 122, and the key is inserted into the slot two 124, when the key contacts the sub row piece one 251, the sub row piece one 251 is pushed upward, at this time the sub row piece one 251 pushes the spring one 253 through the protrusion 252, and the sub row piece one 251 pushes the sub row piece two 132 upward, so that the sub row piece two 132 enters the female row piece 131, and the sub row piece two 132 slides on the limiting rod 134 to press the spring two 135, at this time the bottom of the sub row piece two 132 is flat with the inner wall of the lock body 1, and the bottom of the sub row piece two 132 is arc-shaped, which can conveniently rotate the lock cylinder shaft 12, after the key is completely inserted, a plurality of sub row piece one 251 will be pushed at the same time, so that the bottom of a plurality of sub row piece two 132 is flat with the inner wall of the lock body 1, the arrangement of multiple female row pieces 131 and sub row piece two 132 can improve the safety performance, so that it is difficult for criminals to push all the sub row piece one 251, and it is impossible to know how far each sub row piece one 251 is pushed, only a special key can be used to unlock, which greatly improves the safety performance and meets the safety needs of different occasions, after the key is completely inserted, the key is rotated clockwise at this time, the key drives the rotating block 122 to rotate, the rotating block 122 drives the lock cylinder shaft 12 to rotate through the connecting ring 121, so that the lock bolt moves to unlock, at this time the cabinet door can be opened, when the lock cylinder shaft 12 is rotated, the top of the sub row piece one 251 contacts the inner wall of the lock body 1, and the bottom of the sub row piece two 132 contacts the outer surface of the lock cylinder shaft 12, which does not affect the rotation of the lock cylinder shaft 12, at the same time, the lock cylinder shaft 12 rotates to drive the fixed plate 141 to move, the fixed plate 141 drives the annular rod 142 to slide in the limiting plate 144 and press the arc-shaped spring 143, after the cabinet door is opened, the key can be released, at this time the lock cylinder shaft 12 is reset by the elastic action of the arc-shaped spring 143, the key is reset, when locking is needed, the key is rotated again to open the lock bolt to close the cabinet door, after closing, the key is released, at this time the lock cylinder shaft 12 is reset, after the lock cylinder shaft 12 is reset, the limiting shaft 145 contacts the limiting plate 144 to play a positioning role, so that the sub row piece one 251 is smoothly reset to the bottom of the sub row piece two 132, at this time the key is pulled out, the sub row piece one 251 is reset downward by the elastic action of the spring one 253, the sub row piece two 132 is reset downward by the elastic action, and is inserted into the movable groove 125, so that the lock cylinder shaft 12 is limited and fixed, and the rotation does not occur.

[0032] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also limit the utility model to only the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A precision lock cylinder mechanism for a rotary latch, comprising a lock body (1), wherein a retaining ring (11) is fixedly connected to the right side of the lock body (1), and a hexagonal nut (111) is threaded onto the outer surface of the lock body (1), characterized in that: The lock body (1) is rotatably connected with a lock cylinder rotating shaft (12), the lock cylinder rotating shaft (12) is internally provided with a slot two (124), the slot two (124) is provided with a plurality of movable grooves (125) on the top, the lock body (1) is inlaid with a row piece seat (13) on the top of the inner wall, a plurality of female row pieces (131) are fixedly connected on the inner wall of the row piece seat (13), a plurality of female row pieces (131) are slidably connected with a male row piece two (132) inside, a plurality of movable grooves (125) are slidably connected with a male row piece one (251) inside, the movable groove (125) corresponds to the male row piece two (132), the bottom of the male row piece two (132) is arc concave, and the top of the male row piece one (251) is arc convex.

2. The precision lock cylinder mechanism for a twist-to-lock cylinder and mother-daughter keying system according to claim 1, wherein, The stop ring (11) is rotatably connected with a rotating block (122) at the center, the rotating block (122) is internally provided with a slot one (123), the rotating block (122) is fixedly connected with a connecting ring (121) on the left side, the connecting ring (121) is fixedly connected with the right side of the lock cylinder rotating shaft (12) on the left side, the left side of the lock cylinder rotating shaft (12) penetrates through the lock body (1) and extends outward, and the left side of the lock cylinder rotating shaft (12) is provided with a thread at the position extending to the outside of the lock body (1).

3. The precision lock cylinder mechanism of claim 2, wherein, The movable groove (125) is provided with a limiting groove (126) on the front and back surfaces, the male row piece one (251) is fixedly connected with a protruding block (252) on the front and back surfaces, the top of the two protruding blocks (252) is fixedly connected with a spring one (253), the top of the spring one (253) is fixedly connected with the top of the inner wall of the limiting groove (126), and the protruding block (252) and the spring one (253) are arranged inside the limiting groove (126).

4. The precision lock cylinder mechanism of claim 3, wherein, The female row piece (131) is fixedly connected with a limiting block (133) on the front and back surfaces of the inner wall, the top of the two limiting blocks (133) is fixedly connected with a limiting rod (134), and the limiting rod (134) penetrates through the male row piece two (132) and extends to the top of the inner wall of the female row piece (131).

5. The precision lock cylinder mechanism for a twist-to-lock cylinder and mother-daughter padlock according to claim 4, wherein, The limiting rod (134) is provided with a spring two (135) outside, the top of the spring two (135) is fixedly connected with the top of the inner wall of the female row piece (131), the bottom of the spring two (135) is fixedly connected with the top of the male row piece two (132), and the bottom of the male row piece two (132) extends to the inside of the movable groove (125).

6. The precision lock cylinder mechanism for a twist-to-lock cylinder and mother-daughter keying system of claim 1, wherein, The lock body (1) is fixedly connected with a convex shaft (14) on the left side, the convex shaft (14) is provided with two fixed plates (141) inside, the two fixed plates (141) are connected with the same parts, the surface of the fixed plate (141) is fixedly connected with an annular rod (142), the outer surface of the annular rod (142) is slidably connected with a limiting plate (144), the outer side of the annular rod (142) is provided with an arc spring (143), and the end, away from the fixed plate (141), of the annular rod (142) is fixedly connected with a limiting shaft (145).

7. The precision lock cylinder mechanism of claim 6, wherein, Two said fixed plate (141) near the lock core pivot (12) one side with the lock core pivot (12) surface fixed connection, the limiting plate (144) away from the lock core pivot (12) one side with the convex shaft (14) inner wall fixed connection, the limiting shaft (145) near the limiting plate (144) one side with the limiting plate (144) surface contact.

8. The precision lock cylinder mechanism of claim 7, wherein, The arc spring (143) is fixedly connected with the surface of the fixed plate (141) on the side close to the fixed plate (141). The arc spring (143) is fixedly connected with the surface of the limiting plate (144) on the side away from the fixed plate (141).