Squeezing beam lock of four-switch mechanism

Abstract

The beam extrusion lock comprises a hollow cylindrical lock body, a lock bolt, a lock beam and a key, a first through hole and a second through hole are formed in the lock body, and a third through hole and a fourth through hole are correspondingly formed in the upper left portion and the upper right portion of the lock body; the lock bolt comprises three lock stems, four reed units and a limiting cap at the top; the three lock stems are respectively a long lock stem, a right lock stem and a left lock stem; the four-reed unit comprises a long reed arranged on the right lock stem, a short reed arranged on the left lock stem and a pair of middle reeds arranged on the upper end face and the lower end face of the long lock stem. After the lock bolt and the lock body are assembled, the four-reed unit and the limiting cap are located on the two sides of the first through hole and limited by the side wall of the lock body. Although the overall structure of the extrusion beam lock is relatively simple, the lock body, the lock bolt, the lock beam and the key which are in special shapes are arranged, so that unlocking must be carried out according to set steps, the unlocking process is complex, the requirements of educational toys are met, and the extrusion beam lock has certain interestingness when being played.

Description

Technical Field

[0001] The utility model relates to the technical field of antique locks, in particular to a squeeze beam lock with a four-opening mechanism. Background Art

[0002] Ancient Chinese locks have a history of thousands of years, and the development and improvement of locks are inseparable from the technology, materials, craftsmanship and culture of the time. As early as the Spring and Autumn Period and the Warring States Period (BC770-221), metal locks with reeds as the main unlocking mechanism appeared; in the late Eastern Han Dynasty (about AD200), reed locks were widely used, mostly made of bronze as the main raw material. In the Tang Dynasty (AD618-907), the lock-making technology was very prosperous, and locks of various types, shapes and decorations appeared; in the Ming Dynasty (AD1368-1644), locks that required specific unlocking steps and methods were manufactured and used in large quantities.

[0003] Most of the ancient Chinese mechanical locks have ingenious mechanical structures. According to the different ways of opening, ancient Chinese mechanical locks can be mainly divided into three categories: combination locks, open keyholes and hidden keyholes. The open keyhole is exposed to the outside, making it easy for people to find the key position. The biggest feature of ancient Chinese locks is that the design of the keyhole is very clever. The key of some locks is not easy to insert directly into the keyhole on the lock body, and the keyhole of some locks is hidden under the mechanism, making it difficult to find. For the special design of the squeeze beam lock, how to find the lock beam that also has the function of the key is an intellectual challenge; and after discovering the function of the lock beam, how to insert the key into the keyhole is also a great knowledge; and even if you can enter the keyhole, you must know how to turn to open the lock.

[0004] From the knot locks of the most ancient times to the wooden locks that have the basic definition of locks. As the ancients mastered the production and manufacturing technology of various metals, various types of metal locks came into being. In addition to protecting personal belongings or family wealth from being used or stolen, locks also have the function of locking private feelings and privacy. Later, they evolved into mechanical locks that require specific steps and methods to open. For such mechanical locks, even if you have the correct key, it is still difficult to open for a while, which often makes the lock opener frustrated and worried. In addition to greatly improving the protection function and safety of mechanical locks with specific opening methods, at that time, they even became game equipment for literati, nobles and nobles to play and communicate, and they were also educational toys for showing off and displaying.

[0005] However, the common mechanical locks in the prior art are mainly divided into two types: simple and complex. Among them, although the complex mechanical lock has many steps to unlock and is difficult, its mechanical structure is too complicated, resulting in low structural strength of each component, and it is not easy to assemble and assemble, and the manufacturing cost is high. Although the simple mechanical lock has a simple mechanical structure, a simple assembly process, and a low manufacturing cost, it is very easy to unlock, has low security, and is less fun to play with. Utility Model Content

[0006] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a four-opening mechanism squeeze beam lock to solve the problems that the existing mechanism lock structure is too complicated, resulting in low structural strength of each component, difficult assembly, high manufacturing cost, etc.

[0007] To this end, the utility model proposes a squeeze beam lock with a four-opening mechanism, comprising: a hollow cylindrical lock body, a lock bolt, a lock beam and a key, a first through hole being provided on the upper side of the lock body, a second through hole being provided on the lower side of the lock body, and a third through hole and a fourth through hole being provided on the upper left and upper right of the lock body respectively; the lock bolt comprises three lock stems, four reed units and a limiting cap on the top, and the three lock stems are respectively a long lock stem, a right lock stem and a left lock stem; the four reed units comprise: a long reed arranged on the right lock stem, a short reed arranged on the left lock stem and a pair of middle reeds arranged on the upper and lower end surfaces of the long lock stem; wherein, after the lock bolt is assembled with the lock body, the four reed units and the limiting cap are located on both sides of the first through hole and are limited by the side walls of the lock body.

[0008] The lock beam is a circular ring with a notch, and the lock beam cooperates with the lock body through the third through hole and the fourth through hole. By rotating the lock beam, the long spring leaf and the short spring leaf can be forced to deform and pass through the first through hole; the key is a long plate-like structure, and the front end of the key has a pair of clamping bosses perpendicular to its side surface. The key that penetrates into the second through hole and moves inward forces a pair of the middle spring leaves to deform and pass through the first through hole, thereby achieving unlocking.

[0009] Furthermore, the upper ends of the long locking stem, the right locking stem and the left locking stem are respectively fixedly connected to the limiting cap.

[0010] Furthermore, the fixed end of the long spring sheet close to the second through hole is connected to the right lock stem, and the movable end of the long spring sheet close to the first through hole elastically expands outward and is limited by the side wall of the lock body.

[0011] Furthermore, the fixed end of the short spring piece close to the second through hole is connected to the left lock stem, and the movable end of the short spring piece close to the first through hole elastically expands outward and is limited by the side wall of the lock body.

[0012] Furthermore, a pair of the middle spring leaves are symmetrically arranged on the upper and lower end surfaces of the long lock stem, wherein the upper side wall and the lower side wall inside the lock body are respectively provided with step grooves, and the middle spring leaves are limited by the step grooves after elastically expanding outwards.

[0013] Furthermore, the end surface formed by the four-spring unit expanding outward is larger than the projected hole surface of the first through hole, and the end surface of the limiting cap is larger than the projected hole surface of the first through hole.

[0014] Furthermore, the distance between the pair of clamping bosses is greater than the size of the small end of the long locking stem, and is also greater than the distance between the fixed ends of the pair of middle spring leaves.

[0015] Furthermore, the long locking stem is designed to be parallel to the left locking stem and maintain a distance therebetween, and the size of the end of the long locking stem is smaller than the size of the second through hole.

[0016] Furthermore, the third through hole and the fourth through hole are both round holes.

[0017] Furthermore, in the assembled state, the long locking stem protrudes out of the second through hole.

[0018] The four-opening squeeze beam lock provided by the utility model has a relatively simple overall structure, but by providing a lock body, a lock bolt, a lock beam and a key in a specially shaped manner, the unlocking must be performed according to set steps, so the unlocking process is relatively complicated, which meets the requirements of an educational toy and is interesting to play with; in addition, the squeeze beam lock utilizes a purely mechanical structure, which is convenient and reliable, and can well help people protect their property.

[0019] The four-opening squeeze beam lock provided by the utility model fills part of the blank in the field of cultural and creative restoration of ancient locks in my country, is beneficial to the development and revitalization of the cultural and creative industry, inherits and promotes Chinese culture, and is a rare collectible.

[0020] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting part of the present application are used to provide a further understanding of the present application. The exemplary embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 It is a schematic diagram of the internal structure of the squeezing beam lock of the four-opening mechanism of the utility model;

[0023] Figure 2 It is a front view of the internal structure of the squeezing beam lock of the four-opening mechanism of the utility model;

[0024] Figure 3 It is a flow chart of the unlocking method of the squeeze beam lock of the four-opening mechanism of the utility model;

[0025] Description of Reference Numerals

[0026] 1. Lock body; 11. First through hole; 12. Second through hole; 13. Third through hole; 14. Fourth through hole; 2. Lock bolt; 21. Long spring leaf; 22. Short spring leaf; 23. Middle spring leaf; 24. Long lock stem; 25. Right lock stem; 26. Left lock stem; 27. Limiting cap; 28. Step groove; 3. Lock beam; 4. Key; 41. Pressing boss. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] like Figure 1~Figure 2 As shown, the four-opening squeeze beam lock of the utility model comprises: a hollow cylindrical lock body 1, a lock bolt 2, a lock beam 3, and a key 4; a rectangular first through hole 11 is provided on the upper side of the lock body 1, a rectangular second through hole 12 is provided on the lower side of the lock body 1, and a circular third through hole 13 and a fourth through hole 14 are provided on the upper left and upper right of the lock body 1.

[0029] The lock body 1 is provided with a lock bolt 2 which forms a locking relationship with the lock body 1, and the lock bolt 2 is inserted into the lock body 1 through the first through hole 11 and the second through hole 12; the lock bolt 2 includes three lock stems, four spring units and a limiting cap 27 at the upper end, and the lock stems are respectively a long lock stem 24, a right lock stem 25, and a left lock stem 26, and the upper ends of the long lock stem 24, the right lock stem 25, and the left lock stem 26 are respectively fixedly connected to the limiting cap 27; the four spring units are respectively a long spring 21, a short spring 22 and a pair of middle springs 23.

[0030] The size of the limiting cap 27 is larger than the size of the first through hole 11, the end surface formed by the four-leaf spring unit unfolding outward is larger than the projected hole surface of the first through hole 11, and after the lock bolt (2) is assembled with the lock body (1), the four-leaf spring unit and the limiting cap (27) are located on both sides of the first through hole (11) and are limited by the side wall of the lock body (1), thereby realizing the lock function.

[0031] like Figure 1As shown, the fixed end of the long spring piece 21 near the second through hole 12 is connected to the right lock stem 25 on the right side, and the movable end of the long spring piece 21 near the first through hole 11 elastically expands outward and is limited by the side wall of the lock body 1; the fixed end of the short spring piece 22 near the second through hole 12 is connected to the left lock stem 26 on the left side, and the movable end of the short spring piece 22 near the first through hole 11 elastically expands outward and is limited by the side wall of the lock body 1; a pair of middle spring pieces 23 are symmetrically arranged on the upper and lower end surfaces of the long lock stem 24 in the middle position, wherein the upper side wall and the lower side wall inside the lock body 1 are respectively provided with step grooves, and the middle spring pieces 23 are elastically expanded outward and limited by the step grooves 28.

[0032] In this case, the long lock stem 24 and the left lock stem 26 are designed to be parallel and spaced apart. The end size of the long lock stem 24 is smaller than the size of the second through hole 12, so that the key 4 can pass through the second through hole 12 and enter between the long lock stem 24 and the left lock stem 26. The key 4 is a long plate-like structure, and the front end of the key 4 has a pair of clamping bosses 41 perpendicular to its side. The distance between the pair of clamping bosses 41 is larger than the size of the small end of the long lock stem 24, and also larger than the distance between the fixed ends of the pair of middle spring leaves 23. When the lock is assembled, the long lock stem 24 protrudes through the second through hole 12 to cover the keyhole.

[0033] When the key 4 passes through the second through hole 12 and enters between the long lock stem 24 and the left lock stem 26, a pair of clamping bosses 41 clamp a pair of middle spring leaves 23. During the inward movement of the key 4, the movable ends of the pair of middle spring leaves 23 are forced to move inward to cross the restriction of the stepped groove 28, so that they can move out of the first through hole 11.

[0034] The locking beam 3 is a notched ring, which is matched with the lock body 1 through the third through hole 13 and the fourth through hole 14, and the key 4 is the key to unlocking. When the squeeze beam lock is assembled, only the locking beam 3 can be moved. When the rotating locking beam 3 reaches the specified position, the first and second steps of unlocking can be completed.

[0035] The following is combined with Figures 1 to 3 Briefly describe the unlocking method of the four-opening mechanism squeeze beam lock of the utility model, which specifically includes the following steps:

[0036] S1, rotate the lock beam 3 clockwise to deform the long spring leaf 21, and pull the lock bolt 2 upward to make the long spring leaf 21 pass through the first through hole 11;

[0037] S2, rotate the lock beam 3 counterclockwise to deform the short spring 23, and pull the lock bolt 2 upward to make the short spring 22 pass through the first through hole 11;

[0038] S3, insert the key 4 into the keyhole close to the long lock stem;

[0039] S4, the push key squeezes the middle spring sheet 23 to make it pass through the first through hole 11 to complete unlocking.

[0040] The utility model provides a four-opening mechanism squeeze beam lock, which is based on the craftsmanship and creative ideas of ancient Chinese mechanism locks. Through reasonable structural design, the lock beam also has the function of a key, so that one part can realize multiple functions. The four-opening in the name of the invention represents that the opening process of the lock is divided into four steps whose order cannot be reversed, which increases the rigor of the product. The utility model has the functions of collection and gift giving and puzzle games, and is expected to arouse more people's interest and attention to ancient Chinese locks and traditional culture.

[0041] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A four-opening squeeze beam lock, characterized in that: include: A hollow cylindrical lock body (1), a lock bolt (2), a lock beam (3) and a key (4), A first through hole (11) is provided on the upper side of the lock body (1), a second through hole (12) is provided on the lower side of the lock body (1), and a third through hole (13) and a fourth through hole (14) are provided on the upper left and upper right of the lock body (1) respectively; The lock bolt (2) comprises three lock stems, four reed units and a limiting cap (27) at the top, the three lock stems being respectively a long lock stem (24), a right lock stem (25) and a left lock stem (26), and the upper ends of the three are respectively fixedly connected to the limiting cap (27); the four reed units comprise: a long reed (21) arranged on the right lock stem (25), a short reed (22) arranged on the left lock stem (26) and a pair of middle reeds (23) arranged on the upper and lower end surfaces of the long lock stem (24); wherein, after the lock bolt (2) is assembled with the lock body (1), the four reed units and the limiting cap (27) are located on both sides of the first through hole (11) and are limited by the side walls of the lock body (1); The lock beam (3) is a circular ring with a notch. The lock beam (3) cooperates with the lock body (1) through the third through hole (13) and the fourth through hole (14). By rotating the lock beam (3), the long spring leaf (21) and the short spring leaf (22) can be forced to deform and pass through the first through hole (11). The key (4) is a long plate-like structure, and the front end of the key (4) has a pair of clamping bosses (41) perpendicular to the side surfaces thereof. The key (4) is inserted into the second through hole (12) and moves inwardly, forcing the pair of intermediate spring leaves (23) to deform and pass through the first through hole (11), thereby achieving unlocking.

2. The squeezing beam lock of the four-opening mechanism according to claim 1 is characterized in that: The fixed end of the long spring leaf (21) close to the second through hole (12) is connected to the right lock stem (25), and the movable end of the long spring leaf (21) close to the first through hole (11) is elastically extended outward and limited by the side wall of the lock body (1).

3. The squeezing beam lock of the four-opening mechanism according to claim 1 is characterized in that: The fixed end of the short spring piece (22) close to the second through hole (12) is connected to the left lock stem (26), and the movable end of the short spring piece (22) close to the first through hole (11) is elastically expanded outward and limited by the side wall of the lock body (1).

4. The squeezing beam lock of the four-opening mechanism according to claim 1 is characterized in that: A pair of the intermediate spring leaves (23) are symmetrically arranged on the upper and lower end surfaces of the long lock stem (24), wherein the upper side wall and the lower side wall inside the lock body (1) are respectively provided with stepped grooves (28), and the intermediate spring leaves (23) are limited by the stepped grooves (28) after elastically expanding outwards.

5. The squeezing beam lock of the four-opening mechanism according to claim 1 is characterized in that: The end surface formed by the four-leaf spring unit expanding outward is larger than the projected hole surface of the first through hole (11), and the end surface of the limiting cap (27) is larger than the projected hole surface of the first through hole (11).

6. The squeeze beam lock of the four-opening mechanism according to claim 1, characterized in that: The distance between the pair of pressing bosses (41) is greater than the size of the small end of the long locking stem (24), and is also greater than the distance between the fixed ends of the pair of middle spring leaves (23).

7. The squeeze beam lock of the four-opening mechanism according to claim 1, characterized in that: The long locking stem (24) is designed to be parallel to the left locking stem (26) and to maintain a spacing therebetween, and the size of the end of the long locking stem (24) is smaller than the size of the second through hole (12).

8. The squeeze beam lock of the four-opening mechanism according to claim 1, characterized in that: The third through hole (13) and the fourth through hole (14) are both round holes.

9. The squeeze beam lock of the four-opening mechanism according to claim 1, characterized in that: In the assembled state, the long locking stem (24) protrudes from the second through hole (12).

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