Anti-falling structure for lock cylinder of electric door lock

By forming the installation cavity and anti-detachment structure in the lock shell of the electric door lock, the problem of complex assembly of the existing electric door lock and easy to fall off is solved, achieving more efficient assembly and higher safety.

CN222512271UActive Publication Date: 2025-02-21RUIAN TONGFAN LOCK IND CO LTD
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Patent Information

Application Number
CN202420264447.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2025-02-21
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

The lock core of existing electric door locks requires multiple components when assembling, resulting in low assembly efficiency and easy to miss installation, resulting in easy falling off during use, which is relatively risky.

Method used

Design a lock lock core anti-fall structure for electric door lock core. By forming the installation cavity and anti-fall structure in the lock shell, ensure that the lock core component cannot fall off in the axial direction, and realize the locking through the setting of positioning blocks and limiting blocks. Stable installation of the core.

Benefits of technology

It reduces assembly parts, improves assembly efficiency, reduces production costs, and effectively prevents the lock core from falling off, improving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric door locks, in particular to an electric door lock cylinder anti-falling structure which comprises a lock shell, a lock cylinder assembly is arranged in the lock shell, a key inserting opening is formed in one end of the lock cylinder assembly, and an installation cavity for installing the lock cylinder assembly is formed in the lock shell in a penetrating mode. The integrated lock cylinder assembly has the advantages that due to the fact that the installation cavity is arranged and the lock shell and the lock cylinder sleeve are arranged in a split mode in the prior art, the integrated lock cylinder assembly is of an integrated design, the production cost is reduced, and meanwhile the assembly efficiency is improved; and through the arrangement of the anti-falling structure, the lock cylinder assembly is prevented from being separated from the lock shell due to misoperation.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric door locks, in particular to an anti-dropping structure for a lock core of an electric door lock. Background Art

[0002] Most of the electric door locks currently available on the market are used for electric vehicles or motorcycles. When assembling, the lock core needs to be installed in the lock core sleeve, and then the installed lock core sleeve is installed in the lock housing, resulting in a large number of assembly parts, low assembly efficiency, and cumbersome steps;

[0003] The lock core is then locked in the lock housing and the lock core is then locked in the lock housing, which in turn causes the lock core to be locked in the lock housing. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide an anti-dropping structure for an electric door lock cylinder, which is convenient to assemble, improves assembly efficiency and prevents the lock cylinder from falling off, in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-dropping structure for an electric door lock cylinder, comprising a lock shell, a lock cylinder assembly being arranged in the lock shell, a key insertion port being arranged at one end of the lock cylinder assembly, and characterized in that: an installation cavity for installing the lock cylinder assembly is arranged through the lock shell, and an anti-dropping structure capable of preventing the lock cylinder assembly from axially falling off is arranged between the lock cylinder assembly and the end of the installation cavity away from the key insertion port.

[0006] The above-mentioned technical scheme is adopted: compared with the separate arrangement of the lock shell and the lock core sleeve in the prior art, the utility model directly forms an installation cavity for installing the lock core assembly in the lock shell, which reduces the assembly parts, reduces the production cost and improves the assembly efficiency. At the same time, through the setting of the anti-slip structure, when the lock core and the lock shell are fixedly installed, the lock core cannot be pulled out of the lock shell axially regardless of whether the lock core is in the locked or unlocked state, thereby preventing the lock core from being separated from the lock shell due to misoperation. Moreover, this structure is not additionally installed between the lock core assembly and the lock shell as in the prior art, but is integrally formed with the lock core assembly and the lock shell when the lock core assembly is produced. Therefore, the assembly process is reduced, thereby making the assembly more convenient, improving the assembly efficiency and increasing the anti-slip effect.

[0007] A further arrangement of the utility model is that a blocking surface is formed between the end of the installation cavity away from the key insertion port and the inner wall of the shell body, a mounting hole for installing the lock core assembly is penetrated through the middle of the blocking surface, and the anti-slip structure includes a positioning block, which is arranged at the end of the lock core assembly away from the key insertion port, and the positioning block can be against the blocking surface.

[0008] The above-mentioned technical solution is adopted: through the setting of the blocking surface, the mounting hole and the positioning block, during the assembly process, after the lock core assembly is installed into the lock housing through the mounting hole, the lock core assembly is rotated so that the positioning block is against the blocking surface to achieve a limiting effect, thereby preventing the lock core from being separated from the lock housing due to misoperation.

[0009] A further configuration of the utility model is that a first limiting block and a second limiting block are arranged at intervals on one end of the blocking surface away from the key insertion port, and a sliding groove for the positioning block to slide is formed between the two.

[0010] The above-mentioned technical solution is adopted: through the setting of the first and second limit blocks, during the assembly process, the lock core assembly is installed into the installation cavity in the lock shell, so that the positioning block on the lock core assembly falls into the sliding groove between the first limit block and the second limit block. Since the positioning block is limited between the two, the lock core cannot be axially pulled out of the lock core sleeve. This structure only needs to be aligned and installed during assembly and after being installed in place, it will not affect the unlocking and rotation of the lock core during actual use. In order to adapt the unlocking function of each gear of the lock core, the sliding groove can be set to an angle suitable for the gear position.

[0011] A further configuration of the utility model is that the lock core assembly includes a plurality of insert plates that can protrude outward after the adapter key is inserted into the key insertion hole; a receiving groove that can accommodate the protruding insert plates is provided at the inner wall of the installation cavity corresponding to the insert plates, and one of the receiving grooves is provided with a guide groove for installing a positioning block at one end away from the key insertion port.

[0012] The above-mentioned technical scheme is adopted: through the setting of the insert piece and the accommodating groove, in addition, the lock core assembly is correspondingly provided with an insert piece groove for the installation of the insert piece, so that after the key is inserted, the insert piece will protrude outward and abut against the accommodating groove. At the same time, since one of the accommodating grooves is provided with a guide groove for the installation of the positioning block at the end away from the key insertion port, during the assembly process of the lock core and the lock shell, the positioning block is inserted into the lock shell along the accommodating groove, and an opening is also provided at the other end of the accommodating groove as a guide groove for the positioning block to move out of the accommodating groove to reach the blocking surface formed between the installation cavity and the inner wall of the lock shell, and then by rotating the lock core assembly, the positioning block on the lock core assembly falls into the sliding groove between the first limit block and the second limit block, completing the anti-slip function, thereby reducing the assembly parts, simplifying the assembly process, and improving the assembly efficiency.

[0013] A further configuration of the utility model is that: a lock tongue assembly linked to the lock core assembly is provided at one end of the lock core assembly away from the key insertion port, the lock tongue assembly includes a lock tongue slider, and a lock tongue is provided on one side of the lock tongue slider; the lock tongue slider is sheet-shaped, and a bayonet is provided at one end for the lock tongue to be installed, and an elliptical hole is provided at the end away from the buckle for installation with the lock core assembly.

[0014] The above technical solution is adopted: the locking and unlocking functions are realized through the setting of the lock tongue assembly, and at the same time the structure is simplified, which facilitates the installation between the lock core assembly and the lock tongue assembly, improves the assembly efficiency, and saves assembly time.

[0015] A further configuration of the utility model is: the lock shell includes a front shell and a rear shell, the rear shell is connected to an end of the front shell away from the key insertion port; the outer wall of the front shell close to an end of the rear shell is provided with at least one mounting slot, and the rear shell close to an end of the front shell extends toward the front shell with a mounting buckle that can be buckled with the mounting slot.

[0016] The above technical solution is adopted: through the setting of the installation slot and the installation buckle, during the assembly process, the installation buckle is extended into the installation slot to achieve buckling, thereby completing the connection between the front shell and the rear shell, with a simple structure and easy assembly.

[0017] The utility model is further configured as follows: a rear cover is provided at one end of the rear shell away from the front shell, a plurality of buckling holes are provided along the circumference of the outer wall of the rear shell near the rear cover, and buckling blocks are provided on the circumference of the rear cover that can be inserted and buckled with the buckling holes.

[0018] By adopting the above technical solution: through the arrangement of the back cover, the snap-fit ​​block and the snap-fit ​​hole, when the back cover and the rear shell are assembled, the snap-fit ​​block is located in the snap-fit ​​hole to achieve assembly, and the assembly steps are simple. At the same time, the arrangement of the back cover also plays a certain dust-proof role.

[0019] The utility model is further configured as follows: a plurality of first through holes are arranged at the lower portion of the front shell near the rear shell, a second through hole is arranged at the rear shell near the front shell corresponding to the first through holes, and a fastener is arranged between the first through hole and the second through hole.

[0020] The above technical solution is adopted: by setting the first and second through holes, and then connecting the first and second through holes through fasteners, which can be bolts, the installation firmness between the front shell and the rear shell is further improved, and the structure is simple and the operation is convenient.

[0021] The beneficial effects of the present utility model are as follows: through the setting of the installation cavity, compared with the prior art in which the lock shell and the lock core sleeve are separately set, the present application adopts an integrated design, which reduces production costs while improving assembly efficiency; and through the setting of the anti-detachment structure, it prevents the lock core assembly from detaching from the lock shell due to misoperation.

[0022] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 This is an exploded view of the utility model.

[0025] Figure 3 It is a schematic diagram of the internal structure of the front shell of the utility model.

[0026] Figure 4 This is a schematic diagram of the structure of the lock core assembly of the utility model.

[0027] Figure 5 This is an exploded view of the lock tongue assembly of the utility model.

[0028] Figure 6 Exploded views of the utility model from different perspectives.

[0029] Explanation of reference numerals: lock housing 1, mounting cavity 11, blocking surface 111, accommodating groove 112, guide groove 112a, front housing 12, mounting slot 121, first through hole 122, rear housing 13, mounting buckle 131, buckling hole 132, rear cover 133, buckling block 133a, second through hole 134, fastener 135, lock core assembly 2, insert slot 21, key insertion port 3, positioning block 41, first limit block 42, second limit block 43, sliding groove 44, lock tongue assembly 5, lock tongue slider 51, bayonet 511, elliptical hole 512, lock tongue 52. DETAILED DESCRIPTION

[0030] This specific embodiment and the drawings of the disclosed embodiments only involve structures related to the disclosed embodiments, and other structures may refer to general designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model may be combined with each other.

[0031] Example 1: Figure 1-6 The anti-dropping structure of an electric door lock cylinder shown in the figure comprises a lock shell 1, a lock cylinder assembly 2 is arranged in the lock shell 1, a key insertion port 3 is arranged at one end of the lock cylinder assembly 2, an installation cavity 11 for installing the lock cylinder assembly 2 is penetrated through the lock shell 1, and an anti-dropping structure is arranged between the lock cylinder assembly 2 and the end of the installation cavity 11 away from the key insertion port 3, which can prevent the lock cylinder assembly 2 from axially falling off, thereby preventing the lock cylinder from falling off from the lock shell 1 due to misoperation.

[0032] like Figure 3-4The end of the installation cavity 11 far from the key insertion port 3 is formed with a blocking surface 111 and the inner wall of the shell. A mounting hole for installing the lock core assembly 2 is penetrated in the middle of the blocking surface 111. The anti-drop structure includes a positioning block 41. The positioning block 41 is arranged at the end of the lock core assembly 2 far from the key insertion port 3. The positioning block 41 can abut against the blocking surface 111. A first limiting block 42 and a second limiting block 43 are arranged at intervals on the end far from the key insertion port 3, and a sliding groove 44 for sliding the positioning block 41 is formed between the two. The lock core assembly 2 includes a plurality of inserts (not shown in the figure) that can protrude outward after the matching key is inserted into the key insertion hole. In addition, the lock core assembly 2 is correspondingly provided with an insert slot 21 for the insert installation; a receiving slot 112 that can accommodate the raised insert is provided at the inner wall of the installation cavity 11 corresponding to the insert, and one of the receiving slots 112 is provided with a guide slot 112a for the installation of the positioning block 41 at the end away from the key insertion port 3. During the assembly process, the guide slot 112a allows the positioning block 41 to move out of the receiving slot 112 to reach the blocking surface 111 formed between the installation cavity 11 and the inner wall of the lock shell 1, and then by rotating the lock core assembly 2, the positioning block 41 on the lock core assembly 2 falls into the sliding slot 44 between the first limit block 42 and the second limit block 43, thereby completing the anti-drop function.

[0033] like Figure 2 , 5 The lock core assembly 2 shown is provided with a lock tongue assembly 5 linked thereto at one end away from the key insertion port 3, and the lock tongue assembly 5 includes a lock tongue slider 51, and a lock tongue 52 is provided on one side of the lock tongue slider 51; the lock tongue slider 51 is sheet-shaped, and a bayonet 511 is provided at one end for the lock tongue 52 to be installed, and an elliptical hole 512 is provided at the end away from the buckle for installation with the lock core assembly 2, which facilitates the installation between the lock core assembly 2 and the lock tongue assembly 5, improves assembly efficiency, and saves assembly time.

[0034] Example 2: Figure 2 , 6 As shown, the structure of the second embodiment is basically the same as that of the first embodiment, except that the lock housing 1 includes a front housing 12 and a rear housing 13, the rear housing 13 is connected to the end of the front housing 12 away from the key insertion port 3; the outer wall of the front housing 12 near the rear housing 13 is provided with at least one mounting slot 121, and the end of the rear housing 13 near the front housing 12 extends toward the front housing 12 with a mounting buckle 131 that can be buckled with the mounting slot 121, and the lower part of the front housing 12 near the rear housing 13 is provided with a plurality of A through hole 122, a second through hole 134 is provided on the side of the rear shell 13 close to the front shell 12 corresponding to the first through hole 122, a fastener 135 is provided between the first through hole 122 and the second through hole 134, the mounting buckle 131 is buckled and connected with the mounting slot 121, and then the first and second through holes 134 are fastened and connected by the fastener 135, so as to realize the assembly of the front shell 12 and the rear shell 13, realize the simple structure, convenient operation and improve the firmness of the front and rear shells 13 after installation;

[0035] like Figure 2 , 6 The rear shell 13 shown is provided with a rear cover 133 at one end away from the front shell 12, and a plurality of snap-fit ​​holes 132 are provided along the circumference of the outer wall of the rear shell 13 near the rear cover 133, and snap-fit ​​blocks 133a are provided on the circumference of the rear cover 133 that can be inserted and snap-fitted with the snap-fit ​​holes 132, thereby realizing the installation between the rear cover 133 and the rear shell 13, simplifying the structure and improving the assembly efficiency.

[0036] During the assembly process of the utility model, the lock core assembly 2 is installed into the installation cavity 11 in the lock housing 1, so that the positioning block 41 on the lock core assembly 2 is installed inwardly along the receiving groove 112 with the guide groove 112a. After the lock core assembly 2 is fully installed, the positioning block 41 is rotated to make the positioning block 41 fall into the sliding groove 44 between the first limiting block 42 and the second limiting block 43. Since the positioning block 41 is limited between the two, the lock core cannot be axially pulled out of the lock core sleeve. This structure only needs to be aligned and installed during assembly, and after being installed in place, it will not affect the unlocking and rotation of the lock core during actual use, thereby realizing the anti-drop function, while reducing the assembly process and improving the assembly efficiency.

[0037] Compared with the prior art in which the lock housing 1 and the lock cylinder sleeve are separately arranged, the utility model directly forms an installation cavity 11 for installing the lock cylinder assembly 2 in the lock housing 1, thereby reducing assembly parts, reducing production costs and improving assembly efficiency.

Claims

1. An anti-drop structure for an electric door lock cylinder, comprising a lock housing, a lock cylinder assembly disposed in the lock housing, and a key insertion port disposed at one end of the lock cylinder assembly, characterized in that: The lock shell is penetrated by an installation cavity for installing a lock core assembly, and an anti-drop structure capable of preventing the lock core assembly from axially falling off is provided between the lock core assembly and an end of the installation cavity away from the key insertion port.

2. The anti-drop structure of the electric door lock cylinder according to claim 1, characterized in that: The end of the installation cavity away from the key insertion port forms a blocking surface with the inner wall of the shell, and the middle of the blocking surface is penetrated by a mounting hole for installing the lock core assembly. The anti-slip structure includes a positioning block, which is arranged at the end of the lock core assembly away from the key insertion port, and the positioning block can be against the blocking surface.

3. The anti-drop structure of the electric door lock cylinder according to claim 2, characterized in that: A first limiting block and a second limiting block are arranged at intervals on one end of the blocking surface away from the key insertion port, and a sliding groove for the positioning block to slide is formed between the two.

4. The anti-drop structure of the electric door lock cylinder according to claim 1, 2 or 3, characterized in that: The lock core assembly includes a plurality of inserts that can protrude outward after the adapter key is inserted into the key insertion hole; the inner wall of the installation cavity is provided with a receiving groove that can accommodate the protruding inserts at the corresponding inserts, and one of the receiving grooves is provided with a guide groove for installing a positioning block at one end away from the key insertion port.

5. The anti-drop structure of the electric door lock cylinder according to claim 4, characterized in that: The end of the lock core assembly away from the key insertion port is provided with a lock tongue assembly linked thereto, and the lock tongue assembly includes a lock tongue slider, and a lock tongue is provided on one side of the lock tongue slider; the lock tongue slider is sheet-shaped, and a bayonet is opened at one end for the lock tongue to be installed, and an elliptical hole is provided at the end away from the buckle for installation with the lock core assembly.

6. The anti-drop structure of the electric door lock cylinder according to claim 1, characterized in that: The lock shell includes a front shell and a rear shell, the rear shell is connected to the end of the front shell away from the key insertion port; the outer wall of the front shell close to the end of the rear shell is provided with at least one mounting slot, and the rear shell close to the end of the front shell extends toward the front shell with a mounting buckle that can be engaged with the mounting slot.

7. The anti-drop structure of the electric door lock cylinder according to claim 6, characterized in that: The rear shell is provided with a rear cover at one end away from the front shell, and a plurality of buckling holes are provided along the circumference of the outer wall of the rear shell near the rear cover. The circumference of the rear cover is provided with buckling blocks that can be inserted and buckled with the buckling holes.

8. The anti-drop structure of the electric door lock cylinder according to claim 6, characterized in that: A plurality of first through holes are arranged at the lower part of the front shell near the rear shell, a second through hole is arranged at the side of the rear shell near the front shell corresponding to the first through holes, and a fastener is arranged between the first through hole and the second through hole.