Multiple start synchronous rotating key

CN224834644UActive Publication Date: 2026-10-09杨明
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Patent Information

Application Number
CN202522430457.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-10-09
Estimated Expiration
2035-11-17

AI Technical Summary

Technical Problem

[0003]本实用新型的目的在于提供多头同步转动钥匙,以解决现有多头钥匙的匙柄通过齿轮连接驱动多个匙身同步转动,驱动时齿轮容易磨损,导致开锁不畅顺的问题

Benefits of technology

[0014]本技术方案的优点在于,通过将匙身配置成转动连接在匙壳上并具有容置在安装腔内的从拨块,从拨块具有拨动槽,匙柄配置成转动连接在匙壳上并具有容置在安装腔内的主拨块,主拨块具有拨动杆,匙柄转动时各拨动杆沿对应的拨动槽滑动使若干匙身同步转动,由于匙柄通过若干分别与若干拨动槽滑动连接的拨动杆带动若干匙身同步转动,因此令同步驱动结构简单,且驱动顺畅、磨损少、装配难度低。

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Abstract

The utility model discloses a multi -head synchronous rotation key, including spoon shell, spoon body and spoon handle, spoon shell has installation cavity, spoon body rotation is connected on spoon shell and has from the block, from the block has the dialing groove, spoon handle rotation is connected on spoon shell and has the main block, and the main block has a plurality of dialing rod of sliding connection with a plurality of dialing grooves respectively, and a plurality of dialing rod respectively along corresponding dialing groove slip when spoon handle rotates and make a plurality of spoon body synchronous rotation. The utility model discloses through with the spoon body configuration rotation is connected on spoon shell and has the block from the accommodation in installation cavity, from the block has the dialing groove, and the spoon handle configuration rotation is connected on spoon shell and has the block from the accommodation in installation cavity, and the main block has dialing rod, and each dialing rod along corresponding dialing groove slip when spoon handle rotates and make a plurality of spoon body synchronous rotation, because the spoon handle is driven a plurality of spoon body synchronous rotation through a plurality of dialing rod of sliding connection with a plurality of dialing grooves respectively, synchronous drive structure is simple, and drive is smooth, and the abrasion is little.
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Description

Technical Field

[0001] This utility model relates to the field of lock technology, and in particular to a multi-head synchronous rotating key. Background Technology

[0002] Mechanical locks are devices that prevent unauthorized personnel from operating or passing through them through a mechanical linkage structure. To improve lock security, multi-cylinder locks have emerged on the market, matched with multi-head keys. Multi-cylinder locks have multiple lock cylinders, and multi-head keys have a handle and multiple key bodies. Each key body corresponds one-to-one with a lock cylinder. When unlocking, the multiple key bodies are inserted into multiple lock cylinders and driven synchronously by the handle. Because the handle and multiple key bodies are driven by gear meshing, the gears are prone to wear when the handle drives the multiple key bodies to rotate synchronously, leading to difficulty in unlocking or even malfunction. Summary of the Invention

[0003] The purpose of this invention is to provide a multi-head synchronous rotating key to solve the problem that in existing multi-head keys, the key handle drives multiple key bodies to rotate synchronously through gear connection, and the gears are prone to wear during driving, resulting in unsmooth unlocking.

[0004] This utility model is achieved through the following technical solution: A multi-head synchronous rotating key includes a key shell, key bodies, and a key handle. The key bodies are multiple in number. Each key shell has a mounting cavity. Each key body is rotatably connected to the key shell and has a secondary lever housed within the mounting cavity. Each secondary lever has a lever groove. The key handle is rotatably connected to the key shell and has a main lever housed within the mounting cavity. The main lever has multiple levers slidably connected to the lever grooves. When the key handle rotates relative to the key shell, the levers slide along their corresponding lever grooves, causing the key bodies to rotate synchronously relative to the key shell.

[0005] Furthermore, the main lever has a main turntable and a plurality of main extension arms. The main turntable is rotatably connected to the key housing. Each of the main extension arms extends outward from the outer periphery of the main turntable. The plurality of main extension arms are spaced apart in the circumferential direction of the main turntable and are respectively provided with the actuating lever. The secondary lever has a secondary turntable and a secondary extension arm. The secondary turntable is rotatably connected to the key housing and located on the radial side of the main turntable. The axis of the secondary turntable is parallel to the axis of the main turntable. The secondary extension arm extends outward from the outer periphery of the secondary turntable and is provided with the actuating groove extending radially in the secondary turntable.

[0006] Furthermore, the axis of the main turntable is defined as the up-down direction, the key handle also has a grip, the grip is located on the top of the key shell and connected to the main lever, the key body also has a key bar, the key bar is located at the bottom of the key shell and connected to the secondary lever.

[0007] Furthermore, the upper end of the main turntable extends from the top of the key shell into the mounting cavity and connects to the handle, while the lower end of the turntable extends from the bottom of the key shell into the mounting cavity and connects to the key bar.

[0008] Furthermore, the bottom of the mounting cavity is provided with a lower insertion hole, and the main turntable is provided with a lower insertion strip. The lower insertion strip is coaxially arranged with the main turntable and is inserted into the lower insertion hole.

[0009] Furthermore, the lower insert is located between several of the slave arms, and the lower insert is offset from each of the slave arms when the several slave blocks rotate synchronously.

[0010] Furthermore, the mounting cavity is provided with an upper insertion hole at the top, and the rotating disk is provided with an upper insertion strip, which is coaxially arranged with the rotating disk and is inserted into the upper insertion hole.

[0011] Furthermore, the handle has an upper fixed hole for insertion into the upper end of the main turntable, and / or the secondary turntable has a lower fixed hole for insertion into the key bar; and / or the bottom surface of the key shell has a positioning ring, which is arranged around the outer side of the lower end of the secondary turntable.

[0012] Furthermore, the key shell has a lower shell and an upper shell arranged vertically, with the upper shell positioned higher and the lower shell positioned lower. The lower shell and the upper shell are detachably and fixedly connected to form the mounting cavity.

[0013] Furthermore, there are two key bodies, with the two secondary dials located on opposite sides of the main dial.

[0014] The advantage of this technical solution is that by configuring the key body as a rotatably connected to the key shell and having a secondary lever block housed in the mounting cavity, the secondary lever block having a lever groove, and configuring the key handle as a rotatably connected to the key shell and having a main lever block housed in the mounting cavity, the main lever block having a lever, when the key handle rotates, each lever slides along the corresponding lever groove to make several key bodies rotate synchronously. Since the key handle drives several key bodies to rotate synchronously through several levers that are slidably connected to several lever grooves respectively, the synchronous drive structure is simple, and the drive is smooth, with less wear and low assembly difficulty. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0017] Figure 1 This is a perspective view of a multi-head synchronous rotating key according to an embodiment of this utility model; Figure 2 This is an exploded view of the multi-head synchronous rotating key according to an embodiment of this utility model; Figure 3 This is a side view of a multi-head synchronous rotating key according to an embodiment of this utility model; Figure 4 yes Figure 3 Sectional view at point AA; Figure 5 yes Figure 4 A magnified view of a section at point C; Figure 6 yes Figure 3 Sectional view at point BB; Figure 7 yes Figure 6 A magnified view of a section at point D; Figure 8 yes Figure 6 A magnified view of a section at point E in the middle. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figure 1-8As shown, the multi-head synchronous rotating key includes a key shell 1, a key body 2, and a key handle 3. There are several key bodies 2. The key shell 1 has a mounting cavity 101. Each key body 2 is rotatably connected to the key shell 1 and has a follower block 201 housed in the mounting cavity 101. Each follower block 201 has an actuation groove 202. The key handle 3 is rotatably connected to the key shell 1 and has a main block 301 housed in the mounting cavity 101. The main block 301 has several actuation rods 302 that are slidably connected to several actuation grooves 202. When the key handle 3 rotates relative to the key shell 1, the several actuation rods 302 slide along the corresponding actuation grooves 202, causing the several key bodies 2 to rotate synchronously relative to the key shell 1. This embodiment provides a multi-head synchronous rotating key to solve the problem that in existing multi-head keys, the key handle drives multiple key bodies to rotate synchronously through gear connection, which easily wears down the gears during driving, resulting in unsmooth unlocking. The key body 2 is configured to be rotatably connected to the key shell 1 and has a slave lever 201 housed in the mounting cavity 101. The slave lever 201 has a lever groove 202. The key handle 3 is configured to be rotatably connected to the key shell 1 and has a main lever 301 housed in the mounting cavity 101. The main lever 301 has a lever 302. When the key handle 3 rotates, each lever 302 slides along the corresponding lever groove 202 to make several key bodies 2 rotate synchronously. Since the key handle 3 drives several key bodies 2 to rotate synchronously through several levers 302 that are slidably connected to several lever grooves 202, the synchronous driving structure is simple, the driving is smooth, wear is low, and the assembly difficulty is low.

[0020] In this embodiment of the present invention, the main lever block 301 has a main turntable 303 and a plurality of main extension arms 304. The main turntable 303 is rotatably connected to the key shell 1. Each main extension arm 304 extends outward from the outer periphery of the main turntable 303. The plurality of main extension arms 304 are spaced apart in the circumferential direction of the main turntable 303 and are respectively provided with a lever 302. The secondary lever block 201 has a secondary turntable 203 and a secondary extension arm 204. The secondary turntable 203 is rotatably connected to the key shell 1. The secondary turntable 203 is located on the radial side of the main turntable 303 and its axis is parallel to the axis of the main turntable 303. The secondary extension arm 204 extends outward from the outer periphery of the secondary turntable 203 and is provided with a lever groove 202 extending radially from the secondary turntable 203. The above configuration involves configuring the main lever 301 as a main turntable 303 rotatably connected to the key shell 1 and a main extension arm 304 extending outward from the outer periphery of the main turntable 303. The main extension arm 304 is provided with a lever 302. The secondary lever 201 is configured as a secondary turntable 203 rotatably connected to the key shell 1 and a secondary extension arm 204 extending outward from the outer periphery of the secondary turntable 203. The secondary extension arm 204 is provided with a lever groove 202. Therefore, when several levers 302 slide along the corresponding lever grooves 202, several key bodies 2 can rotate synchronously. The synchronous drive structure is simple and easy to implement.

[0021] In this embodiment of the invention, the axial direction of the main turntable 303 is defined as the up-down direction. The key handle 3 also has a grip 305, which is located at the top of the key shell 1 and connected to the main lever 301. The key body 2 also has a key bar 205, which is located at the bottom of the key shell 1 and connected to the secondary lever 201. This arrangement, by placing the grip 305 connected to the main lever 301 at the top of the key shell 1 and the key bar 205 connected to the secondary lever 201 at the bottom of the key shell 1, makes the key handle 3 and key body 2 reasonably and compactly positioned on the key shell 1, facilitating user operation to open the lock.

[0022] In this embodiment of the invention, the upper end of the main turntable 303 extends from the top of the key shell 1 through the mounting cavity 101 and connects to the handle 305, while the lower end of the turntable 203 extends from the bottom of the key shell 1 through the mounting cavity 101 and connects to the key bar 205. Because the upper end of the main turntable 303 extends from the top of the key shell 1 through the mounting cavity 101 and connects to the handle 305, and the lower end of the turntable 203 extends from the bottom of the key shell 1 through the mounting cavity 101 and connects to the key bar 205, the key handle 3 and the key body 2 are stably assembled with the key shell 1 and rotate smoothly.

[0023] In this embodiment of the present invention, a lower insertion hole 102 is provided at the bottom of the mounting cavity 101, and a lower insertion strip 306 is provided on the main turntable 303. The lower insertion strip 306 is coaxially arranged with the main turntable 303 and is inserted into the lower insertion hole 102. This arrangement, by configuring the lower insertion hole 102 at the bottom of the mounting cavity 101 and configuring the lower insertion strip 306 on the main turntable 303, which is coaxially arranged with the lower insertion hole 102 and is inserted into the lower insertion hole 102, ensures stable assembly and smooth rotation of the key handle 3 and the key shell 1.

[0024] In this embodiment of the invention, the lower insert 306 is located between several follower arms 204, and the lower insert 306 is offset from each follower arm 204 when the several follower blocks 201 rotate synchronously. This arrangement, by configuring the lower insert 306 to be offset from each follower arm 204 when the several follower blocks 201 rotate synchronously, avoids interference between the lower insert 306 and the follower arms 204.

[0025] In this embodiment of the present invention, the mounting cavity 101 is provided with an upper insertion hole 103 at its top, and an upper insertion strip 206 is provided on the turntable 203. The upper insertion strip 206 is coaxially arranged with the turntable 203 and is inserted into the upper insertion hole 103. This arrangement, by providing the upper insertion hole 103 at the top of the mounting cavity 101 and the upper insertion strip 206 coaxially arranged on the turntable 203 and inserted into the upper insertion hole 103, ensures stable assembly and smooth rotation of the key body 2 and the key shell 1.

[0026] In this embodiment of the invention, the handle 305 has an upper fixed hole 307 for the upper end of the main turntable 303 to be inserted, and a lower fixed hole 207 for the key bar 205 to be inserted on the turntable 203. This arrangement, by providing the upper fixed hole 307 on the handle 305 for the upper end of the main turntable 303 to be inserted, and the lower fixed hole 207 on the turntable 203 for the key bar 205 to be inserted, ensures stable assembly between the handle 305 and the main turntable 303, and stable assembly between the turntable 203 and the key bar 205.

[0027] In this embodiment of the invention, a positioning ring 104 is provided on the bottom surface of the key shell 1, and the positioning ring 104 is arranged around the outer side of the lower end of the turntable 203. The above arrangement, by configuring the positioning ring 104 around the outer side of the lower end of the turntable 203 on the bottom surface of the key shell 1, makes the key body 2 and the key shell 1 stably assembled.

[0028] In this embodiment of the invention, the key shell 1 has a lower shell 105 and an upper shell 106 arranged vertically, with the upper shell 106 positioned higher and the lower shell 105 positioned lower. The lower shell 105 and the upper shell 106 are detachably and fixedly connected to form an installation cavity 101. This arrangement, by configuring the key shell 1 with the lower shell 105 and upper shell 106 detachably and fixedly connected to form the installation cavity 101, facilitates the assembly and disassembly of the key shell 1, the key body 2, and the key handle 3.

[0029] In this embodiment of the invention, there are two key bodies 2, with two slave levers 201 disposed on opposite sides of the main lever 301. Specifically, the slave levers 201 are disposed on the left and right sides of the main lever 301.

[0030] It should be understood that the terms "first," "second," etc., are used in this utility model to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this utility model, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information. In addition, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] The above description provides one or more embodiments in conjunction with specific content, and does not imply that the specific implementation of this utility model is limited to these descriptions. Any methods or structures that are similar to or identical to those of this utility model, or any technical deductions or substitutions made based on the concept of this utility model, should be considered as protected by this utility model.

Claims

1. A multi-head synchronously rotating key, comprising a key shell, a key body, and a key handle, wherein the key body comprises several parts, characterized in that, The key shell has a mounting cavity, each key body is rotatably connected to the key shell and has a secondary lever disposed in the mounting cavity, each secondary lever has a lever groove, the key handle is rotatably connected to the key shell and has a main lever disposed in the mounting cavity, the main lever has a plurality of levers that are slidably connected to a plurality of lever grooves, when the key handle rotates relative to the key shell, the plurality of levers slide along the corresponding lever grooves to cause the plurality of key bodies to rotate synchronously relative to the key shell.

2. The multi-head synchronous rotation key according to claim 1, characterized in that, The main lever has a main turntable and several main extension arms. The main turntable is rotatably connected to the key shell. Each of the main extension arms extends outward from the outer periphery of the main turntable. The several main extension arms are spaced apart in the circumferential direction of the main turntable and are respectively provided with the lever. The slave lever has a slave turntable and a slave extension arm. The slave turntable is rotatably connected to the key housing and located on the radial side of the main turntable. The axis of the slave turntable is parallel to the axis of the main turntable. The slave extension arm extends outward from the outer periphery of the slave turntable, and the slave extension arm is provided with the actuation groove extending radially from the slave turntable.

3. The multi-head synchronous rotation key according to claim 2, characterized in that, The axis of the main turntable is defined as the up-down direction. The key handle also has a grip, which is located on the top of the key shell and connected to the main lever. The key body also has a key bar, which is located at the bottom of the key shell and connected to the secondary lever.

4. The multi-head synchronous rotation key according to claim 3, characterized in that, The upper end of the main turntable extends from the top of the key shell into the mounting cavity and connects to the handle, while the lower end of the turntable extends from the bottom of the key shell into the mounting cavity and connects to the key bar.

5. The multi-head synchronous rotation key according to claim 2, characterized in that, The bottom of the mounting cavity is provided with a lower insertion hole, and the main turntable is provided with a lower insertion strip. The lower insertion strip is coaxially arranged with the main turntable and is inserted into the lower insertion hole.

6. The multi-head synchronous rotation key according to claim 5, characterized in that, The lower insert is located between several of the slave arms, and the lower insert is offset from each of the slave arms when the several slave blocks rotate synchronously.

7. The multi-head synchronous rotation key according to claim 2, characterized in that, The mounting cavity is provided with an upper insertion hole at the top, and the rotating disk is provided with an upper insertion strip. The upper insertion strip is coaxially arranged with the rotating disk and is inserted into the upper insertion hole.

8. The multi-head synchronous rotation key according to claim 4, characterized in that, The handle has an upper fixed hole for insertion into the upper end of the main turntable, and / or the secondary turntable has a lower fixed hole for insertion into the key bar; and / or the bottom surface of the key shell has a positioning ring, which is arranged around the lower end of the secondary turntable.

9. The multi-head synchronous rotation key according to claim 1, characterized in that, The key shell has a lower shell and an upper shell arranged vertically, with the upper shell positioned higher and the lower shell positioned lower. The lower shell and the upper shell are detachably and fixedly connected to form the mounting cavity.

10. The multi-head synchronous rotation key according to claim 1, characterized in that, There are two key bodies, and the two secondary dials are respectively located on opposite sides of the main dial.