Length-adjustable electronic lock cylinder

Abstract

The utility model relates to the technical field of electronic lock cylinders, and discloses a length-adjustable electronic lock cylinder which comprises a shell, a sealing assembly is arranged in the shell and used for sealing the shell, a connecting piece is installed in the shell, a tail rod is connected in the connecting piece in a sliding mode, and the tail rod is connected with the sealing assembly in a sliding mode. A connecting mechanism is arranged in the connecting piece; the connecting mechanism comprises a fixing assembly and a limiting assembly, the limiting assembly can limit the movement of the tail rod, the fixing assembly is used for enhancing the stability of the limiting assembly, the limiting assembly comprises a limiting shaft, the limiting shaft is arranged in the connecting piece, and the periphery of the limiting shaft is rotationally connected with a connecting plate. According to the utility model, the tail rod slides in the connecting piece, so that the length can be quickly adjusted to adapt to the mounting requirement, and the sealing assembly can seal the hole in the shell, so that dust and impurities in a door body are prevented from entering the lock cylinder to cause aggravated wear of the internal structure of the lock cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic lock cylinder technical field especially relates to a length adjustable electronic lock cylinder. BACKGROUND

[0002] The existing electronic lock cylinder includes mechanical locking structure and electronic control structure, wherein the tail rod is the important component in the electronic lock cylinder, the tail rod is the bridge connecting the electronic lock cylinder and other mechanical parts of the door lock, and different tail rods with different lengths are selected according to the thickness of the door body when installing the electronic lock cylinder;

[0003] The existing tail rod is fixed in the electronic lock cylinder through bolts, and different tail rods need to be carried for standby during the installation of the electronic lock cylinder, leading to low electronic lock cylinder installation efficiency, so a length adjustable electronic lock cylinder is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a length adjustable electronic lock cylinder, which aims at improving the problem of low electronic lock cylinder installation efficiency in the prior art.

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

[0006] A length adjustable electronic lock cylinder, comprising a shell, a sealing assembly is arranged in the shell, the sealing assembly is used to seal the shell, a connecting piece is installed in the shell, a tail rod is slidably connected in the connecting piece, and a connecting mechanism is arranged in the connecting piece.

[0007] The connecting mechanism comprises a fixing assembly and a limiting assembly, the limiting assembly can limit the movement of the tail rod, the fixing assembly is used to enhance the stability of the limiting assembly, the limiting assembly comprises a limiting shaft, the limiting shaft is arranged in the connecting piece, a connecting plate is rotatably connected to the outer periphery of the limiting shaft, a spring is sleeved on the outer periphery of the limiting shaft, the top end of the spring is installed on the bottom side of the connecting plate, the bottom end of the spring is installed in the connecting piece, a second fixing shaft is installed in the connecting piece, a guide groove is formed in the limiting shaft, and one end of the second fixing shaft is arranged in the guide groove.

[0008] Further description of the above technical scheme:

[0009] The sealing assembly comprises a sealing plate, the sealing plate is arranged in the shell, an installation block is installed in the shell, a fixed block is fixedly connected to the outer periphery of the sealing plate, the fixed block is rotatably connected in the installation block, a supporting shaft is installed in the shell, a torsional spring is sleeved on the outer periphery of the supporting shaft, one end of the torsional spring abuts against the bottom side of the sealing plate, and the other end of the torsional spring abuts against the inside of the shell.

[0010] As a further description of the above technical solutions:

[0011] The fixing assembly comprises a fixing shaft one, the fixing shaft one is installed on the outer periphery of the limiting shaft, a sliding groove is formed in the connecting piece, and the outer periphery of the limiting shaft is arranged in the sliding groove;

[0012] As a further description of the above technical solutions:

[0013] The tail rod left side is equipped with the limiting plate, and the limiting plate is connected in the connecting piece inside in sliding mode;

[0014] As a further description of the above technical solutions:

[0015] The sealing plate top side is equipped with the guide ring, and the guide ring outer periphery is arranged in the shell inside;

[0016] As a further description of the above technical solutions:

[0017] The limiting shaft top end is rotatable in the connecting block, and the connecting block top side is fixedly connected with the moving block;

[0018] As a further description of the above technical solutions:

[0019] The connecting plate is connected in the connecting piece inside in sliding mode;

[0020] As a further description of the above technical solutions:

[0021] The limiting shaft bottom end is arranged in the tail rod inside.

[0022] The utility model has the following beneficial effects:

[0023] 1、The utility model discloses, tail rod is in the connecting piece inside sliding and can quickly adjust the length to adapt to the installation demand, and through setting up the connecting mechanism in the connecting piece inside, the length of tail rod can be quickly fixed, thereby improve the installation efficiency of electronic lock core.

[0024] 2、The utility model discloses, setting up sealing assembly in the shell inside can seal the hole place in the shell inside, prevent the dust impurity in the door body and enter the lock core inside through the hole place and lead to the lock core inside structure abrasion aggravation, thereby prolong the service life of the electronic lock core. DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of the length-adjustable electronic lock core is provided for the utility model;

[0026] Figure 2 A structure schematic view of the tail rod of the length-adjustable electronic lock core is provided for the utility model;

[0027] Figure 3 A structure diagram of the connecting piece of the length-adjustable electronic lock core is shown in the utility model;

[0028] Figure 4 A structure diagram of the connecting piece of the length-adjustable electronic lock core is shown in the utility model; Figure 3

[0029] Figure 5 A structure diagram of the connecting piece of the length-adjustable electronic lock core is shown in the utility model;

[0030] Figure 6 A structure diagram of the connecting piece of the length-adjustable electronic lock core is shown in the utility model.

[0031] Legend:

[0032] 1, shell; 2, tail rod; 3, sealing assembly; 301, sealing plate; 302, guide ring; 303, mounting block; 304, fixed block; 305, torsion spring; 306, support shaft; 4, connecting piece; 5, connecting mechanism; 501, fixed assembly; 5011, sliding groove; 5012, fixed shaft one; 502, limiting assembly; 5021, limiting shaft; 5022, spring; 5023, connecting plate; 5024, fixed shaft two; 5025, moving block; 5026, guide groove; 6, limiting plate; 7, connecting block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Refer to Figures 1-4 ​The utility model provides a kind of length adjustable electronic lock core, including shell 1, shell 1 as the protective structure of the electronic lock core plays the role of installing protection internal structure, connecting piece 4 is installed in shell 1, connecting piece 4 is used to install tail rod 2, tail rod 2 is slidably connected in connecting piece 4, tail rod 2 can be connected with the lock core and the other structure of door lock each other, connecting piece 4 is provided with connecting mechanism 5, connecting mechanism 5 includes limiting assembly 502, limiting assembly 502 can limit tail rod 2 movement, limiting assembly 502 includes limiting shaft 5021, limiting shaft 5021 is arranged in connecting piece 4, limiting shaft 5021 bottom end is arranged in tail rod 2, a plurality of evenly distributed recesses are opened in tail rod 2, limiting shaft 5021 bottom end is inserted into recess interior can tail rod 2 be fixed in connecting piece 4, connecting plate 5023 is rotatably connected on the outer periphery of limiting shaft 5021, connecting plate 5023 is slidably connected in connecting piece 4, connecting plate 5023 plays the role of connecting limiting shaft 5021 and spring 5022 each other, spring 5022 is sleeved on the outer periphery of limiting shaft 5021, spring 5022 top end is installed in connecting plate 5023 bottom side, spring 5022 bottom end is installed in connecting piece 4, spring 5022 can push limiting shaft 5021 movement and make limiting shaft 5021 bottom end from tail rod 2 inside pull out, fixed shaft two 5024 is installed in connecting piece 4, guide groove 5026 is opened in limiting shaft 5021, fixed shaft two 5024 one end is arranged in guide groove 5026, limiting shaft 5021 in the process of movement, fixed shaft two 5024 in guide groove 5026 inside sliding can drive limiting shaft 5021 rotate, tail rod 2 left side is installed with limiting plate 6, limiting plate 6 is slidably connected in connecting piece 4, install limiting plate 6 to make limiting plate 6 in connecting piece 4 sliding can limit tail rod 2 from connecting piece 4 inside disengagement.

[0035] Refer to Figure 1 , Figure 6The shell 1 is internally provided with a sealing assembly 3 for sealing the shell 1, the sealing assembly 3 comprises a sealing plate 301 arranged inside the shell 1, the sealing plate 301 can seal the opening of the shell 1, the shell 1 is internally provided with a mounting block 303, the sealing plate 301 is externally fixedly connected with a fixed block 304, the fixed block 304 is rotatably connected inside the mounting block 303, the sealing plate 301 is mounted through the fixed block 304, the shell 1 is internally provided with a supporting shaft 306 for mounting a torsional spring 305, the supporting shaft 306 is externally sleeved with the torsional spring 305, one end of the torsional spring 305 abuts against the bottom side of the sealing plate 301, the other end of the torsional spring 305 abuts against the inside of the shell 1, the torsional spring 305 can drive the sealing plate 301 to rotate so that the sealing plate 301 tightly abuts against the opening of the shell 1, the sealing plate 301 is internally provided with a guide ring 302, the guide ring 302 is externally arranged inside the shell 1, and the guide ring 302 can be inserted into the inside of the shell 1 during the rotation of the sealing plate 301 so as to guide the sealing plate 301 to accurately seal the opening of the shell 1.

[0036] With reference to Figure 3 , Figure 4 The connecting mechanism 5 comprises a fixing assembly 501 for enhancing the stability of the limiting assembly 502, the fixing assembly 501 comprises a fixed shaft one 5012 mounted on the outer periphery of the limiting shaft 5021, the fixed shaft one 5012 can move with the limiting shaft 5021 so as to slide inside the sliding groove 5011, the connecting piece 4 is internally provided with the sliding groove 5011, the limiting shaft 5021 is arranged inside the sliding groove 5011, and the sliding of the fixed shaft one 5012 inside the sliding groove 5011 can enhance the stability of the limiting shaft 5021 after the limiting shaft 5021 is inserted into the tail rod 2.

[0037] With reference to Figure 4 , Figure 5 The limiting shaft 5021 is internally rotatably provided with a connecting block 7 at the top end, the connecting block 7 is fixedly connected with a moving block 5025 at the top side, the limiting shaft 5021 is connected with the moving block 5025 through the connecting block 7, and the pressing of the moving block 5025 can drive the limiting shaft 5021 to move.

[0038] Working principle: when installing the electronic lock core, the length of the tail rod 2 is adjusted according to the thickness of the door body, the sealing plate 301 is pushed to rotate, then the movable block 5025 is pressed to move the limiting shaft 5021, the limiting shaft 5021 moves in the process to make the fixed shaft two 5024 slide downward in the guide groove 5026, so as to release the fixing of the fixed shaft two 5024 to the limiting shaft 5021, then the spring 5022 can push the limiting shaft 5021 to move upward through the connecting plate 5023 to make the bottom end of the limiting shaft 5021 pull out from the inside of the tail rod 2, then the tail rod 2 is pulled to move to make the tail rod 2 slide in the connecting piece 4 to adjust the length of the tail rod 2 to adapt to the installation requirement. After the length of the tail rod 2 is adjusted, the movable block 5025 is pressed again to make the fixed shaft two 5024 slide upward in the guide groove 5026 to fix the position of the limiting shaft 5021 when the bottom end of the limiting shaft 5021 is inserted into the inside of the tail rod 2, and the fixed shaft one 5012 can enhance the stability of the limiting shaft 5021 after moving with the limiting shaft 5021 and being inserted into the sliding groove 5011.

[0039] In the use process of the electronic lock core, the sealing plate 301 can seal the opening of the shell 1 to prevent dust and impurities from entering the inside of the shell 1 through the opening, when adjusting the tail rod 2, only need to push the sealing plate 301 to rotate to make the sealing plate 301 recover into the inside of the shell 1, then press the movable block 5025, after adjusting, loosen the sealing plate 301, the torsional spring 305 can push the sealing plate 301 to rotate to reset to make the sealing plate 301 reseal the shell 1.

[0040] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A length-adjustable electronic lock cylinder, comprising a housing (1), characterized in that: A sealing assembly (3) is provided inside the housing (1), and the sealing assembly (3) is used to seal the housing (1). A connecting piece (4) is installed inside the housing (1), and a tail rod (2) is slidably connected inside the connecting piece (4). A connecting mechanism (5) is provided inside the connecting piece (4); The connecting mechanism (5) includes a fixing component (501) and a limiting component (502), wherein the limiting component (502) can limit the movement of the tail rod (2), and the fixing component (501) is used to enhance the stability of the limiting component (502). The limiting component (502) includes a limiting shaft (5021), which is arranged inside the connecting member (4). The limiting shaft (5021) is rotatably connected to a connecting plate (5023) on its periphery. A spring (5022) is sleeved on the outer periphery of the limiting shaft (5021), the top end of the spring (5022) is mounted on the bottom side of the connecting plate (5023), the bottom end of the spring (5022) is mounted inside the connecting member (4), a second fixed shaft (5024) is mounted inside the connecting member (4), a guide groove (5026) is provided inside the limiting shaft (5021), and one end of the second fixed shaft (5024) is arranged inside the guide groove (5026).

2. The length-adjustable electronic lock cylinder according to claim 1, characterized in that: The sealing assembly (3) comprises a sealing plate (301), the sealing plate (301) being arranged inside the housing (1), a mounting block (303) being installed inside the housing (1), a fixing block (304) being fixedly connected to the outer periphery of the sealing plate (301), the fixing block (304) being rotatably connected to the inner periphery of the mounting block (303), a supporting shaft (306) being installed inside the housing (1), a torsion spring (305) being sleeved around the outer periphery of the supporting shaft (306), one end of the torsion spring (305) being abutted against the bottom side of the sealing plate (301), and the other end of the torsion spring (305) being abutted against the inner periphery of the housing (1).

3. The length-adjustable electronic lock cylinder according to claim 1, characterized in that: The fixing assembly (501) includes a fixing shaft (5012) installed on the periphery of the limiting shaft (5021). A sliding groove (5011) is provided inside the connecting member (4), and the periphery of the limiting shaft (5021) is arranged inside the sliding groove (5011).

4. The length-adjustable electronic lock cylinder according to claim 1, characterized in that: A limit plate (6) is installed on the left side of the tail rod (2), and the limit plate (6) is slidably connected to the inside of the connecting member (4).

5. The length-adjustable electronic lock cylinder according to claim 2, characterized in that: A guide ring (302) is installed on the top side of the sealing plate (301), and the outer periphery of the guide ring (302) is arranged inside the housing (1).

6. The length-adjustable electronic lock cylinder according to claim 1, characterized in that: A connecting block (7) is rotatably provided inside the top end of the limiting shaft (5021), and a moving block (5025) is fixedly connected to the top side of the connecting block (7).

7. The length-adjustable electronic lock cylinder according to claim 1, characterized in that: The connecting plate (5023) is slidably connected inside the connecting member (4).

8. The length-adjustable electronic lock cylinder according to claim 1, characterized in that: The bottom end of the limiting shaft (5021) is arranged inside the tail rod (2).

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