Single-link mechanism anti-theft lock body

Abstract

The utility model relates to the technical field of locks, in particular to an anti-theft lock body with a single-link mechanism, comprising a lock shell, a lock core hole reserved on the lock shell for installing the lock core, a lock core dial wheel being arranged on the lock core, an upper moving block assembly being arranged inside the lock shell, a lower moving block assembly being connected inside the lock shell and below the upper moving block assembly, an upper paddle assembly being arranged inside the lock shell and on the right side of the upper moving block assembly, a handle dial shaft being arranged inside the upper paddle assembly, a lower paddle being connected on the right side of the handle dial shaft, and a square tongue assembly being arranged inside the lock shell and above the upper moving block assembly. By designing an anti-theft lock body with a single-link mechanism, the lower moving block assembly, the upper moving block assembly, the paddle assembly and the square tongue assembly in the device are utilized to unlock the lock, thereby solving the problems of the existing locks relying on the lever principle to unlock the lock, the lock core power back ratio being relatively short, the movement stroke being relatively long, the internal components being numerous, the internal friction force being relatively large, and the use being relatively inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to an anti-theft lock body with a single-link mechanism. Background Art

[0002] The locks currently on the market still have some shortcomings, specifically: the existing locks rely on the lever principle to unlock, the lock core power back is relatively short, the movement stroke is long, the internal parts are numerous, the internal friction force is large, and it is inconvenient to use.

[0003] Therefore, a single-link mechanism anti-theft lock body is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide an anti-theft lock body with a single-link mechanism to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A single-link mechanism anti-theft lock body comprises a lock shell, a lock core dial wheel is arranged inside the lock shell, an upper moving block assembly is installed inside the lock shell and above the lock core dial wheel, a lower moving block assembly is connected inside the lock shell and below the upper moving block assembly, an upper paddle assembly is arranged inside the lock shell and on the right side of the upper moving block assembly, a handle dial shaft is arranged inside the upper paddle assembly, a lower paddle is connected to the right side of the handle dial shaft, a square tongue assembly is arranged inside the lock shell and above the upper moving block assembly, and a windproof Oblique tongue, auxiliary tongues are connected to both sides of the inner center of the lock shell, a corner piece is arranged inside the lock shell and on the back of the auxiliary tongue, an upper cover plate is installed on the outer wall of the lock shell, a right sky hook is connected to the right side of the lock shell, a pinion is installed inside the lock shell and on the left side of the upper moving block assembly, a safety dial is arranged inside the lock shell and on the left side of the pinion, a safety piece is installed on the back of the safety dial, a left sky hook is connected to the lock shell, a paddle boss is fixedly connected to the outer wall of the lower paddle, and a steering groove is opened on the outer wall of the left sky hook and in the lock shell;

[0007] The upper moving block assembly includes an upper moving block rivet installed inside the lock housing, the outer wall of the upper moving block rivet is connected to the first lower moving block, the outer wall of the first lower moving block is installed with a sleeve near the position of the upper moving block rivet, the outer wall of the first lower moving block is provided with a push plate near the position of the sleeve, a push hole is opened inside the push plate, and an upper moving block hole is opened inside the first lower moving block near the position of the push hole.

[0008] As a preferred solution of the utility model, the lower moving block assembly includes a second lower moving block installed on the outer wall of the sleeve, the outer wall of the second lower moving block is connected to a connecting rod at a position close to the sleeve, the outer wall of the second lower moving block is installed with an upper locking plate at a position close to the rivet position of the upper moving block, the outer wall of the second lower moving block is provided with a square tongue rivet at a position close to the connecting rod, a connecting rod hole is opened inside the connecting rod at a position away from the second lower moving block, and a moving block boss is installed on the outer wall of the second lower moving block at a position close to the connecting rod.

[0009] As a preferred solution of the utility model, the upper paddle assembly includes an upper paddle installed on the outer wall of the handle shaft, and the outer wall of the upper paddle is fixedly connected with a paddle rivet at a position away from the handle shaft.

[0010] As a preferred solution of the utility model, the square tongue assembly includes a square tongue plate slidably connected to the inside of the lock housing, a square tongue is installed on the top of the square tongue plate, and a special-shaped groove is opened inside the square tongue plate and below the square tongue.

[0011] As a preferred solution of the utility model, the lock shell, the upper cover plate, the left top and bottom hooks, and the right top and bottom hooks are all made of aluminum alloy, and the left top and bottom hooks, the right top and bottom hooks, the auxiliary tongue, and the windproof oblique tongue all penetrate and extend outside the lock shell.

[0012] As a preferred solution of the utility model, the first lower moving block and the push plate are both made of aluminum alloy, the upper moving block rivets are provided with two groups, and the push hole and the upper moving block hole are both designed as circular structures.

[0013] As a preferred solution of the utility model, the second lower movable block, the connecting rod, the upper locking plate and the movable block boss are all made of stainless steel, and the upper locking plate is connected to the upper movable block with rivets.

[0014] As a preferred solution of the utility model, three groups of square tongues are provided, and the square tongues penetrate and extend the lock housing.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, a single-link mechanism anti-theft lock body is designed, and the lower moving block assembly, the upper moving block assembly, the paddle assembly and the square tongue assembly in the device are used to unlock the lock. The single link is used in the lock shell to reduce the internal parts and components, and at the same time reduce the internal friction of the internal force, so that the weight-attaching effect is greatly improved. The lever plus gear structure is adopted, the internal structure runs smoothly, and a certain resistance is reduced. When the key is inserted, the door lock can be opened by turning less than 90 degrees. The lock body provided by this solution has a simple structure and is easy to process and produce, which can improve the assembly and processing efficiency, reduce costs, and facilitate mass production. It solves the problems of existing locks that rely on the lever principle to unlock, the lock core has a relatively short power back, a long movement stroke, a large number of internal parts, a large internal friction force, and is inconvenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a front cross-sectional view of the utility model;

[0019] Figure 3 This is a front view of the lock body of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the upper cover plate of the utility model;

[0021] Figure 5 This is a front view of the lock cylinder dial wheel of the utility model;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of the upper moving block assembly of the utility model;

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the lower moving block assembly of the utility model;

[0024] Figure 8 This is a schematic diagram of the three-dimensional structure of the upper paddle assembly of the utility model;

[0025] Fig. 9 This is a schematic diagram of the three-dimensional structure of the handle shaft of the utility model;

[0026] Fig.10 This is a schematic diagram of the three-dimensional structure of the lower paddle of the utility model;

[0027] Fig.11 This is a schematic diagram of the three-dimensional structure of the square tongue assembly of the utility model;

[0028] Fig.12 This is a front view of the windproof oblique tongue of the utility model;

[0029] Fig.13 It is a schematic diagram of the three-dimensional structure of the left top and bottom hook of the utility model.

[0030] In the figure: 1, lock housing; 2, lock cylinder dial wheel; 3, upper moving block assembly; 4, lower moving block assembly; 5, upper paddle assembly; 6, handle dial shaft; 7, lower paddle; 8, square tongue assembly; 9, windproof oblique tongue; 10, auxiliary tongue; 11, corner piece; 12, upper cover; 13, right top and bottom hook; 14, small gear; 15, safety dial wheel; 16, safety piece; 17, left top and bottom hook; 18, paddle boss; 19, steering groove; 30 1. Upper moving block rivet; 302. First lower moving block; 303. Sleeve; 304. Push plate; 305. Push hole; 306. Upper moving block hole; 401. Second lower moving block; 402. Connecting rod; 403. Upper locking plate; 404. Square tongue rivet; 405. Connecting rod hole; 406. Moving block boss; 501. Upper paddle; 502. Paddle rivet; 801. Square tongue plate; 802. Square tongue; 803. Special-shaped groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0032] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0035] For examples, see Figure 1-13, the utility model provides a technical solution:

[0036] A single-link mechanism anti-theft lock body comprises a lock shell 1, a lock core dial wheel 2 is arranged inside the lock shell 1, an upper moving block assembly 3 is installed inside the lock shell 1 and above the lock core dial wheel 2, a lower moving block assembly 4 is connected inside the lock shell 1 and below the upper moving block assembly 3, an upper paddle assembly 5 is arranged inside the lock shell 1 and on the right side of the upper moving block assembly 3, a handle dial shaft 6 is installed inside the upper paddle assembly 5, a lower paddle 7 is connected to the right side of the handle dial shaft 6, a square tongue assembly 8 is arranged inside the lock shell 1 and above the upper moving block assembly 3, a windproof oblique tongue 9 is installed inside the lock shell 1 and on the back of the lower paddle 7, and the lock shell 1 Auxiliary tongues 10 are connected to both sides of the inner center, a corner piece 11 is arranged inside the lock shell 1 and on the back of the auxiliary tongue 10, an upper cover plate 12 is installed on the outer wall of the lock shell 1, a right sky and earth hook 13 is connected to the right side of the lock shell 1, a pinion 14 is installed inside the lock shell 1 and on the left side of the upper moving block assembly 3, a safety dial wheel 15 is arranged inside the lock shell 1 and on the left side of the pinion 14, a safety piece 16 is installed on the back of the safety dial wheel 15, a left sky and earth hook 17 is connected to the lock shell 1, a paddle boss 18 is fixedly connected to the outer wall of the lower paddle 7, and a steering groove 19 is opened on the outer wall of the left sky and earth hook 17 and in the lock shell 1;

[0037] The lock housing 1, the upper cover plate 12, the left top hook 17, and the right top hook 13 are all made of aluminum alloy, and the left top hook 17, the right top hook 13, the auxiliary tongue 10, and the windproof oblique tongue 9 all penetrate and extend outside the lock housing 1;

[0038] In this embodiment, reference Figure 2 and Figure 6 The upper moving block assembly 3 includes an upper moving block rivet 301 installed inside the lock housing 1, the outer wall of the upper moving block rivet 301 is connected to the first lower moving block 302, the outer wall of the first lower moving block 302 and a sleeve 303 is installed near the position of the upper moving block rivet 301, the outer wall of the first lower moving block 302 and a position near the sleeve 303 are provided with a push plate 304, the push plate 304 is provided with a push hole 305, and the first lower moving block 302 is provided with an upper moving block hole 306 near the push hole 305.

[0039] The first lower moving block 302 and the push plate 304 are both made of aluminum alloy, the upper moving block rivets 301 are provided with two groups, and the push hole 305 and the upper moving block hole 306 are both circular structure designs;

[0040] In this embodiment, reference Figure 2 and Figure 7The lower moving block assembly 4 includes a second lower moving block 401 installed on the outer wall of the sleeve 303, a connecting rod 402 is connected to the outer wall of the second lower moving block 401 and near the sleeve 303, an upper locking plate 403 is installed on the outer wall of the second lower moving block 401 and near the upper moving block rivet 301, a square tongue rivet 404 is arranged on the outer wall of the second lower moving block 401 and near the connecting rod 402, a connecting rod hole 405 is opened inside the connecting rod 402 and at a position away from the second lower moving block 401, and a moving block boss 406 is installed on the outer wall of the second lower moving block 401 and near the connecting rod 402;

[0041] The second lower moving block 401, the connecting rod 402, the upper locking plate 403 and the moving block boss 406 are all made of stainless steel, and the upper locking plate 403 is connected to the upper moving block rivet 301;

[0042] In this embodiment, reference Figure 2 and Figure 8 The upper paddle assembly 5 includes an upper paddle 501 mounted on the outer wall of the handle shaft 6, and a paddle rivet 502 is fixedly connected to the outer wall of the upper paddle 501 at a position away from the handle shaft 6;

[0043] In this embodiment, reference Figure 2 and Fig.11 The square tongue assembly 8 includes a square tongue plate 801 slidably connected to the inside of the lock housing 1, a square tongue 802 is installed on the top of the square tongue plate 801, a special-shaped groove 803 is opened inside the square tongue plate 801 and below the square tongue 802, and the square tongue 802 is provided with three groups, and the square tongue 802 penetrates and extends the lock housing 1.

[0044] The working process of the utility model: when the anti-theft lock body of the single-link mechanism designed by the present invention is in operation, the key is inserted into the lock core dial wheel 2, and the key is turned. The key drives the lock core dial wheel 2 to rotate counterclockwise, and the lock core dial wheel 2 pushes the upper moving block assembly 3 to rotate counterclockwise, and the square tongue rivet 404 on the second lower moving block 401 is inserted into the special-shaped groove 803 of the square tongue plate 801, so that when the upper moving block assembly 3 rotates, the square tongue assembly 8 is driven to move forward. At the same time, the moving block boss 406 is inserted into the steering groove 19 in the left top and bottom hook 17. When the first lower moving block 302 rotates clockwise, the left top and bottom hook 17 moves to the left and drives the left corner piece 11 to rotate counterclockwise, and the left corner piece 11 will drive the auxiliary tongue 10 to move forward. The right corner piece 11 is transmitted through the pinion 14 and the right top and bottom hook 13, and the right top and bottom hook 13 drives the right corner piece 11 to rotate clockwise, and the right corner piece 11 drives the right auxiliary tongue assembly 10 to move forward, and the door lock is closed;

[0045] When the key drives the lock core dial wheel 2 to rotate clockwise, the lock core dial wheel 2 pushes the upper moving block assembly 3 to rotate clockwise, and the square tongue rivet 404 passes through the square tongue assembly 8 and is inserted into the upper moving block hole 306. When the upper moving block assembly 3 rotates, the square tongue assembly 8 is driven to move backward. At the same time, the upper moving block assembly 3 rotates clockwise, and the left top and bottom hooks 17 move rightward, driving the left corner piece 11 to rotate clockwise, and the left corner piece 11 drives the auxiliary tongue 10 to move backward. The right corner piece 11 is transmitted through the pinion 14 and the left top and bottom hooks 17. The right top and bottom hooks 13 drive the right corner piece 11 to rotate counterclockwise, and the right corner piece 11 drives the auxiliary tongue 10 to move backward. At the same time, the push plate 304 moves rightward, and the upper paddle assembly 5 rotates clockwise, driving the windproof oblique tongue 9 to retreat, and the door lock is opened;

[0046] When the handle shaft 6 rotates counterclockwise, the handle shaft 6 drives the lower paddle 7 to rotate counterclockwise, the paddle boss 18 on the lower paddle 7 is inserted into the connecting rod hole 405 of the connecting rod 402, and the lower paddle 7 pushes the lower moving block assembly 4 to rotate counterclockwise through the connecting rod 402. The square tongue rivet 404 on the second lower moving block 401 is inserted into the special-shaped groove 803 of the square tongue plate 801, and the lower moving block assembly 4 drives the square tongue assembly 8 to move forward. At the same time, the moving block boss 406 is inserted into the left skylight. In the steering groove 19 of the ground hook 17, the first lower moving block 302 rotates counterclockwise, the left sky hook 17 moves leftward and drives the left corner piece 11 to rotate counterclockwise, the left corner piece 11 drives the auxiliary tongue 10 to move forward, the right corner piece 11 is driven by the pinion 14 and the right sky hook 13, the right sky hook 13 drives the right corner piece 11 to rotate clockwise, the right corner piece 11 drives the right auxiliary tongue assembly 10 to move forward, and the door lock is closed;

[0047] When the handle shaft 6 rotates clockwise, the handle shaft 6 drives the lower paddle 7 to rotate clockwise, the paddle boss 18 on the lower paddle 7 is inserted into the connecting rod hole 405 of the connecting rod 402, the lower paddle 7 pulls the lower moving block assembly 4 to rotate clockwise through the connecting rod 402, the square tongue rivet 404 on the second lower moving block 401 is inserted into the special-shaped groove 803 of the square tongue plate 801, and the lower moving block assembly 4 drives the square tongue assembly 8 to move backward. At the same time, the first lower moving block 302 rotates clockwise. The left world hook 17 moves to the right and drives the left corner piece 11 to rotate clockwise, the left corner piece 11 drives the auxiliary tongue 10 to move backward, the right corner piece 11 is transmitted through the pinion 14 and the right world hook 13, the right world hook 13 drives the right corner piece 11 to rotate counterclockwise, the left corner piece 11 drives the right auxiliary tongue assembly 10 to move backward, at the same time, the upper paddle assembly 5 rotates clockwise, driving the windproof oblique tongue 9 to retreat, and the door lock is opened.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single-link mechanism anti-theft lock body, comprising a lock housing (1), characterized in that: A lock core dial wheel (2) is provided on a lock core installed in the lock housing (1); an upper moving block assembly (3) is installed inside the lock housing (1) and above the lock core dial wheel (2); a lower moving block assembly (4) is connected inside the lock housing (1) and below the upper moving block assembly (3); an upper paddle assembly (5) is provided inside the lock housing (1) and on the right side of the upper moving block assembly (3); a handle dial shaft (6) is installed inside the upper paddle assembly (5); a lower paddle (7) is connected to the right side of the handle dial shaft (6); a square tongue assembly (8) is provided inside the lock housing (1) and above the upper moving block assembly (3); a windproof oblique tongue (9) is installed inside the lock housing (1) and on the back side of the lower paddle (7); and two sides of the center of the interior of the lock housing (1) are provided. Both are connected to an auxiliary tongue (10); a corner piece (11) is arranged inside the lock shell (1) and on the back of the auxiliary tongue (10); an upper cover plate (12) is installed on the outer wall of the lock shell (1); a right top hook (13) is connected to the right side of the lock shell (1); a pinion (14) is installed inside the lock shell (1) and on the left side of the upper moving block assembly (3); a safety dial wheel (15) is arranged inside the lock shell (1) and on the left side of the pinion (14); a safety piece (16) is installed on the back of the safety dial wheel (15); a left top hook (17) is connected to the lock shell (1); a dial boss (18) is fixedly connected to the outer wall of the lower dial (7); a steering groove (19) is opened on the outer wall of the left top hook (17) and inside the lock shell (1); The upper moving block assembly (3) comprises an upper moving block rivet (301) installed inside the lock housing (1); the outer wall of the upper moving block rivet (301) is connected to a first lower moving block (302); a sleeve (303) is installed on the outer wall of the first lower moving block (302) near the upper moving block rivet (301); a push plate (304) is arranged on the outer wall of the first lower moving block (302) near the sleeve (303); a push hole (305) is provided inside the push plate (304); and an upper moving block hole (306) is provided inside the first lower moving block (302) near the push hole (305).

2. The single-link mechanism anti-theft lock body according to claim 1, characterized in that: The lower moving block assembly (4) comprises a second lower moving block (401) mounted on the outer wall of the sleeve (303); a connecting rod (402) is connected to the outer wall of the second lower moving block (401) at a position close to the sleeve (303); an upper locking plate (403) is mounted on the outer wall of the second lower moving block (401) at a position close to the upper moving block rivet (301); a square tongue rivet (404) is arranged on the outer wall of the second lower moving block (401) at a position close to the connecting rod (402); a connecting rod hole (405) is provided inside the connecting rod (402) at a position away from the second lower moving block (401); and a moving block boss (406) is mounted on the outer wall of the second lower moving block (401) at a position close to the connecting rod (402).

3. The single-link mechanism anti-theft lock body according to claim 1, characterized in that: The upper paddle assembly (5) comprises an upper paddle (501) mounted on the outer wall of the handle paddle shaft (6), and a paddle rivet (502) is fixedly connected to the outer wall of the upper paddle (501) at a position away from the handle paddle shaft (6).

4. The single-link mechanism anti-theft lock body according to claim 1, characterized in that: The square tongue assembly (8) comprises a square tongue plate (801) slidably connected to the interior of the lock housing (1), a square tongue (802) being mounted on the top of the square tongue plate (801), and a special-shaped groove (803) being provided inside the square tongue plate (801) and below the square tongue (802).

5. The single-link mechanism anti-theft lock body according to claim 1, characterized in that: The lock housing (1), the upper cover plate (12), the left top and bottom hooks (17), and the right top and bottom hooks (13) are all made of aluminum alloy; the left top and bottom hooks (17), the right top and bottom hooks (13), the auxiliary tongue (10), and the windproof oblique tongue (9) all penetrate and extend outside the lock housing (1).

6. The single-link mechanism anti-theft lock body according to claim 1, characterized in that: The first lower moving block (302) and the pushing plate (304) are both made of aluminum alloy, two groups of upper moving block rivets (301) are provided, and the pushing hole (305) and the upper moving block hole (306) are both designed as circular structures.

7. The single-link mechanism anti-theft lock body according to claim 2, characterized in that: The second lower moving block (401), the connecting rod (402), the upper locking plate (403) and the moving block boss (406) are all made of stainless steel, and the upper locking plate (403) is connected to the upper moving block rivet (301).

8. The single-link mechanism anti-theft lock body according to claim 4, characterized in that: The square tongues (802) are provided in three groups, and the square tongues (802) penetrate and extend through the lock housing (1).

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