Crescent lock front liner

Abstract

The utility model discloses a crescent lock front container which comprises a front container body, a protruding ring is integrally formed on the front face of the front container body, a crescent inserting groove is formed in the front face of the front container body, and two parallel guide protrusions are integrally formed on the straight line edge of the crescent inserting groove. A crescent-shaped channel and a cross-shaped concave cavity are formed in the front container body, and a vertical groove communicated with the top end of a vertical groove of the cross-shaped concave cavity is formed in the center of the straight line edge of the crescent-shaped channel. Two guide protruding strips are integrally formed on the straight line edge of the crescent channel and coincide with the guide protrusions, and the vertical groove is located between the two guide protruding strips. According to the utility model, the structural arrangement is reasonable, the two parallel guide raised lines are arranged in the crescent slot and matched with the guide raised lines, when a key sheet is inserted, the key sheet can be effectively prevented from shaking, the use stability and reliability can be improved, the arrangement and installation of a driving structure are facilitated due to the arrangement of the cross-shaped concave cavity, and the service life of the key sheet is prolonged. And the overall use effectiveness is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lock structures, and particularly relates to a front cylinder of a crescent lock. Background Art

[0002] The front cylinder of a lock is an important structural component of a mechanical lock, mainly used for installing components such as a lock core. Although the front cylinder of the existing technology can meet the use requirements in general cases, most of the front cylinders of locks are cylindrical structures, which are provided with straight or crescent lock piece insertion holes, and a circular cavity is arranged inside the front cylinder of the lock. The internal structure of the front cylinder is not reasonably arranged, which is likely to cause the lock piece to shake, and to a certain extent, it will affect its use stability. At the same time, its shape is relatively single, and it is difficult to ensure the use safety. Therefore, its applicability and practicability are limited. Summary of the Invention

[0003] The purpose of the utility model is to provide a front cylinder of a crescent lock with reasonable structural arrangement and beneficial to improving the use stability.

[0004] The technical solution for realizing the purpose of the utility model is a front cylinder of a crescent lock, including a front cylinder body. A convex ring is integrally formed on the front surface of the front cylinder body. A crescent-shaped slot is arranged on the front surface of the front cylinder body. Two parallel guiding protrusions are integrally formed on the straight edge of the crescent-shaped slot.

[0005] A crescent-shaped channel and a cross-shaped cavity are arranged inside the front cylinder body. A vertical groove communicating with the top end of the vertical groove of the cross-shaped cavity is arranged at the center of the straight edge of the crescent-shaped channel.

[0006] Two guiding ridges are integrally formed on the straight edge of the crescent-shaped channel. The guiding ridges coincide with the guiding protrusions, and the vertical groove is located between the two guiding ridges.

[0007] Further preferably: A straight groove is arranged in the middle of the back surface of the front cylinder body, and the straight groove is located below the crescent-shaped channel.

[0008] Further preferably: Right-angle sector-shaped avoiding grooves are arranged at both ends of the horizontal groove of the cross-shaped cavity.

[0009] Further preferably: A right-angle stepped protrusion is formed on the arc edge of the right-angle sector-shaped avoiding groove of the straight groove.

[0010] Further preferably: An annular installation groove is arranged at one end of the outer wall of the front cylinder body;

[0011] The annular installation groove is attached to the side surface of the convex ring.

[0012] Further preferably: The guiding protrusion includes a vertical side, a top side and a vertical side edge;

[0013] The top surface of the vertical side inclines towards the end of the crescent-shaped slot, one end of the top edge is fixed to the top of the vertical side, and the other end of the top edge inclines towards the straight edge of the crescent-shaped slot;

[0014] The top end of the vertical side is fixed to the bottom end of the top edge, and the bottom end of the vertical side inclines towards the end of the crescent-shaped slot away from the vertical side.

[0015] The utility model has positive effects: The structure of the utility model is reasonably arranged. There are two parallel guiding ridges arranged in the crescent-shaped slot, and in cooperation with the guiding ridges, when inserting the key piece, the key piece can be effectively prevented from shaking, which is beneficial to improving the use stability and reliability. And it is provided with a cross-shaped cavity, which is beneficial to arranging and installing the driving structure, beneficial to improving the overall use effectiveness, with strong applicability and good practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the content of the utility model easier to be clearly understood, the following further describes the utility model in detail according to specific embodiments in conjunction with the drawings, where:

[0017] Figure 1 is the front structure schematic diagram of the utility model;

[0018] Figure 2 is the side perspective structure diagram of the utility model;

[0019] Figure 3 is the back structure schematic diagram of the utility model.

[0020] Reference numerals: front bladder body 1, convex ring 2, crescent-shaped slot 3, guiding protrusion 4, vertical side 41, top edge 42, vertical side edge 43, crescent-shaped channel 5, cross-shaped cavity 6, vertical groove 7, guiding ridge 8, linear groove 9, right-angle sector-shaped avoidance groove 10, right-angle stepped protrusion 11, annular installation groove 12. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the utility model. Embodiment

[0022] In this embodiment, the front refers to the end where the key piece is inserted, and the back refers to the end connected to the lock body. It is only for convenience of description and is not a limitation thereto.

[0023] See Figures 1 to 3 As shown, a front bladder of a crescent lock includes a front bladder body 1. A convex ring 2 is integrally formed on the front surface of the front bladder body. A crescent-shaped slot 3 is provided on the front surface of the front bladder body. Two parallel guiding protrusions 4 are integrally formed on the straight edge of the crescent-shaped slot. In this embodiment, the convex ring is mainly used for limiting during installation to ensure the stability and reliability of its installation position. It is provided with a crescent-shaped slot in cooperation with the guiding protrusions, which cooperate with the key blade, and the guiding protrusions can be used for guiding to prevent the key blade from shaking or shifting.

[0024] During actual application, a crescent-shaped channel 5 and a cross-shaped cavity 6 are provided inside the front bladder body. A vertical groove 7 communicating with the top end of the vertical groove of the cross-shaped cavity is provided at the center of the straight edge of the crescent-shaped channel. Two guiding ridges 8 are integrally formed on the straight edge of the crescent-shaped channel. The guiding ridges coincide with the guiding protrusions, and the vertical groove is located between the two guiding ridges. In this embodiment, the crescent-shaped channel is mainly used for inserting the key blade, while the cross-shaped cavity is mainly used for placing the driving structure. It is integrally formed, which is beneficial to improving the processing efficiency, reducing the processing difficulty, and at the same time can prevent the key blade from shaking or shifting, which is beneficial to improving the use stability and reliability.

[0025] During actual application, a linear groove 9 is provided in the middle of the back surface of the front bladder body. The linear groove is located below the crescent-shaped channel. Right-angle sector-shaped avoidance grooves 10 are provided at both ends of the horizontal groove of the cross-shaped cavity. During application, a right-angle stepped protrusion 11 is formed on the arc edge of the right-angle sector-shaped avoidance groove by the linear groove. Through the above structure, it is also beneficial to the installation stability of the driving structure, preventing the driving structure from shaking or shifting, and has strong practicability.

[0026] During actual application, an annular installation groove 12 is provided at one end of the outer wall of the front bladder body. The annular installation groove is attached to the side surface of the convex ring. Through the annular installation groove, it is convenient for the installation and limitation of the front bladder body and the lock, improving the installation stability and reliability, and preventing loosening or falling off.

[0027] In this embodiment, the guiding protrusion includes a vertical side 41, a top side 42, and a vertical side edge 43. The top surface of the vertical side inclines towards the end of the crescent-shaped slot. One end of the top side is fixed at the top end of the vertical side, and the other end of the top side inclines towards the straight edge of the crescent-shaped slot. The top end of the vertical side edge is fixed at the bottom end of the top side, and the bottom end of the vertical side edge inclines towards the end of the crescent-shaped slot away from the vertical side. Through the above structure, it is beneficial to improve the insertion stability of the key blade.

[0028] The utility model has positive effects: the structure of the utility model is reasonably arranged. It is provided with two parallel guiding ridges in the crescent-shaped slot, and in cooperation with the guiding ridges, when inserting the key piece, the key piece can be effectively prevented from shaking, which is beneficial to improving the use stability and reliability. And it is provided with a cross-shaped cavity, which is beneficial to setting and installing the driving structure and is beneficial to improving the overall use effectiveness. It has strong applicability and good practicability.

[0029] The standard parts used in this embodiment can be directly purchased from the market. For the non-standard structural components described in the specification, they can also be directly processed without any doubt according to the existing technical common sense. At the same time, the connection methods of each component adopt the mature conventional means in the existing technology, and the machines, parts and equipment all adopt the conventional models in the existing technology, so no specific description will be made here.

[0030] Obviously, the above embodiments of the present utility model are merely examples for clearly explaining the present utility model, rather than limiting the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to enumerate all the implementation manners here. And these obvious changes or modifications derived from the essential spirit of the present utility model still fall within the protection scope of the present utility model.

Claims

1. A crescent-shaped lock front liner, comprising a front liner body, characterized in that: A convex ring is integrally formed on the front of the front bladder body, a crescent-shaped slot is provided on the front of the front bladder body, and two parallel guide protrusions are integrally formed on the straight edge of the crescent-shaped slot; A crescent-shaped channel and a cross-shaped cavity are arranged in the front gallbladder body, and a vertical groove connected to the top of the vertical groove of the cross-shaped cavity is arranged at the center of the straight side of the crescent-shaped channel; Two guide convex strips are integrally formed on the straight edge of the crescent-shaped channel, the guide convex strips overlap with the guide protrusions, and the vertical groove is located between the two guide convex strips.

2. The crescent-shaped lock front liner according to claim 1, characterized in that: A straight groove is arranged in the middle of the back side of the front gallbladder body, and the straight groove is located below the crescent-shaped channel.

3. The crescent-shaped lock front liner according to claim 1, characterized in that: Right-angle fan-shaped avoidance grooves are arranged at both ends of the transverse groove of the cross-shaped cavity.

4. The crescent-shaped lock front liner according to claim 2, characterized in that: The straight groove is provided with a right-angle stepped protrusion on the arc-shaped side of the right-angle fan-shaped avoidance groove.

5. The crescent-shaped lock front liner according to claim 1, characterized in that: An annular mounting groove is provided at one end of the outer wall of the front gallbladder body; The annular mounting groove is attached to the side surface of the convex ring.

6. The crescent-shaped lock front liner according to claim 1, characterized in that: The guide protrusion includes a vertical edge, a top edge and a vertical side edge; The top surface of the vertical edge is inclined toward the end of the crescent-shaped slot, one end of the top edge is fixed to the top of the vertical edge, and the other end of the top edge is inclined toward the straight edge of the crescent-shaped slot; The top end of the vertical side edge is fixed on the bottom end of the top edge, and the bottom end of the vertical side edge is inclined toward the end of the crescent-shaped slot away from the vertical edge.

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