Rotary handle lock

Abstract

The utility model discloses a rotary handle lock, which comprises a handle seat, a rotary handle, a rotary handle and a rotary handle, the locking assembly is mounted at the through hole; the handle is arranged on the outer side of the handle seat, the top end of the handle is rotationally connected with the locking assembly through a first pin shaft, and a first spring is arranged between the baffle and the locking assembly and located below the first pin shaft; the lock hook assembly is arranged on the inner side of the handle seat, and the lock hook assembly penetrates through the handle seat and hooks and locks the bottom end of the handle; the button is arranged on the outer side of the handle seat and located below the handle; and the lock cylinder is arranged on the handle seat and is positioned below the button. The rotary handle lock can be installed outside a sealing ring of a cabinet body and can also ensure the sealing performance of the cabinet when installed in the sealing ring of the cabinet body, and the applicability of the lock is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a rotary handle lock. Background Art

[0002] Locks are installed on many cabinet doors to prevent others from opening them casually. Some cabinets have high requirements for sealing performance, especially cabinets such as power distribution cabinets that have high requirements for safety. The locks are often installed outside the sealing ring between the cabinet door and the cabinet body, and the locking points are set on the frame of the cabinet body to avoid affecting the sealing performance of the cabinet. Since the lock is installed outside the sealing ring, it has no impact on the sealing performance of the cabinet, so this type of lock has low requirements for sealing performance.

[0003] However, when installing this type of lock, there is often a problem that the installation space outside the sealing ring is small, resulting in difficult installation of the lock or even inability to install it. And installing this type of lock inside the sealing ring will damage the overall sealing performance of the cabinet. Therefore, a rotary handle lock is designed now, which can be installed outside the sealing ring of the cabinet body and can ensure the sealing performance of the cabinet when installed inside the sealing ring of the cabinet body, improving the applicability of the lock. Summary of the Utility Model

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a rotary handle lock that can be installed outside the sealing ring of the cabinet body and can ensure the sealing performance of the cabinet when installed inside the sealing ring of the cabinet body, improving the applicability of the lock.

[0005] A rotary handle lock provided by the utility model includes:

[0006] A handle seat, on which a through hole is provided;

[0007] A locking assembly, installed at the through hole, including a lock body and a handle shaft. The handle shaft passes through the through hole and the lock body in sequence. A baffle is fixedly arranged at the outer end of the handle shaft, and a lock tongue is fixedly installed at the inner end. A sealing structure is arranged on the outer periphery of the end of the lock body far from the lock tongue. The sealing structure includes a sol tank arranged on the outer periphery of the lock body and a sealant or a first sealing ring filled in the sol tank, or the sealing structure includes a limit ring arranged on the outer periphery of the lock body and a sealing gasket arranged inside the limit ring. A locking nut is threadedly connected to the end of the lock body close to the lock tongue. A snap ring is installed on the outer wall of the handle shaft between the lock body and the lock tongue, and a second sealing ring is arranged between the outer wall of the handle shaft and the inner wall of the lock body;

[0008] A handle, arranged outside the handle seat, and its top end is rotatably connected to the outer end of the handle shaft through a first pin shaft. A first spring is arranged between the baffle and the handle below the first pin shaft;

[0009] The locking hook assembly is arranged inside the handle base. The locking hook assembly passes through the handle base and hooks and locks the bottom end of the handle.

[0010] The button is arranged outside the handle base, below the handle, and is used to squeeze the locking hook assembly to disengage it from the handle. A second spring is arranged between the button and the handle base.

[0011] The lock core is installed on the handle base, below the button, and is used to lock the button so that it cannot be pressed and moved, or unlock the button so that it can be pressed and moved.

[0012] Further, a first installation groove is arranged outside the handle base. The top end of the first installation groove is connected with a circular second installation groove. The through hole is arranged in the second installation groove. A third installation groove is arranged below the first installation groove. A lock core hole is arranged on the handle base below the third installation groove.

[0013] The handle is embedded in the first installation groove and the second installation groove. The button is embedded in the third installation groove. The lock core is installed in the lock core hole.

[0014] Further, threaded holes are respectively arranged at the four corners inside the handle base. Screws are threadedly connected in the threaded holes, and sealing gaskets are sleeved on the screws.

[0015] Further, a first boss is fixedly arranged below the first pin shaft on the baffle. A groove is correspondingly arranged on the inner side of the handle for the first boss. One end of the first spring is sleeved on the first boss, and the other end is embedded in the groove.

[0016] Further, the locking hook assembly includes a bracket, a connecting arm, and a transmission arm. The bracket is fixedly arranged inside the handle base. A through groove is arranged on the bracket. One end of the connecting arm passes through the through groove and extends to the handle and is fixedly connected with a locking hook, and the other end is rotatably connected with the bracket. The top end of the transmission arm is fixedly connected with the end of the connecting arm away from the locking hook, and the bottom end extends below the through groove. The top of the connecting arm is connected with the bracket through a tension spring. A second pin shaft is fixedly arranged on the inner side of the bottom end of the handle corresponding to the locking hook.

[0017] Further, a push block is fixedly arranged at the top inside the button. The push block passes through the handle base and extends to the through groove and aligns with the transmission arm.

[0018] Further, both sides of the button are respectively slidably connected to the third installation groove through sliders. A second boss is arranged in the third installation groove, and a third boss is arranged on the inner side of the button corresponding to the second boss. One end of the second spring is sleeved on the second boss, and the other end is sleeved on the third boss.

[0019] Further, a bottom of the inner side of the button is fixedly connected with an extension part that slidably penetrates through the handle seat, and a locking block is fixedly connected to a bottom of the extension part;

[0020] A connecting block is fixedly arranged below the inner end of the lock core and located below the locking block. A stop block is fixedly arranged on the inner side of the connecting block corresponding to the locking block. The stop block avoids the locking block after rotating a preset angle along with the lock core.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] The lock of the present utility model is provided with a handle seat, a locking component, a handle, a locking hook component, a button and a lock core; when there is enough space outside the sealing ring between the cabinet door and the cabinet body, the lock is installed on the cabinet door outside the sealing ring, ensuring the sealing performance of the cabinet. When the space outside the sealing ring between the cabinet door and the cabinet body is small, the lock is installed on the cabinet door inside the sealing ring. The lock body realizes sealing with the installation hole on the cabinet door through a sealant, a first sealing ring or a gasket, and the handle shaft realizes sealing with the lock body through a second sealing ring, with good sealing effect; pressing the button makes the bottom end of the handle pop open, and at this time, rotating the handle can drive the handle shaft to rotate, thereby completing unlocking, with convenient operation; the lock core locks the button so that the button cannot be pressed, and at this time, the lock is in a locked state, and unauthorized personnel cannot easily open the lock, with good locking effect.

[0023] The lock of the present application can be installed either outside the sealing ring of the cabinet body or ensure the sealing of the cabinet when installed inside the sealing ring of the cabinet body, improving the applicability of the lock.

[0024] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the present utility model, nor is it used to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, purposes and advantages of the present utility model will become more obvious:

[0026] Figure 1 It is a schematic structural diagram of the outside of the rotary handle lock;

[0027] Figure 2It is a schematic structural diagram of the inner side of a rotary handle lock;

[0028] Figure 3 It is an exploded structural diagram of a rotary handle lock;

[0029] Figure 4 It is a schematic structural diagram of a locking component;

[0030] Figure 5 It is a schematic structural diagram of a handle base;

[0031] Figure 6 It is a schematic structural diagram of a handle;

[0032] Figure 7 It is a schematic structural diagram of a lock hook component;

[0033] Figure 8 It is a schematic structural diagram of a button and a lock core.

[0034] Reference numerals in the figure: 1 handle base; 2, locking component; 3, handle; 4, lock hook component; 5, button; 6, lock core;

[0035] 11, through hole; 12, first installation groove; 13, second installation groove; 14, third installation groove; 15, lock core hole; 16, threaded hole; 17, screw; 18, sealing gasket; 19, second boss;

[0036] 21, lock body; 22, handle shaft; 23, baffle; 24, lock tongue; 25, sol tank; 26, locking nut; 27, circlip; 28, second sealing ring; 29, first boss;

[0037] 31, first pin shaft; 32, first spring; 33, embedded groove; 34, second pin shaft;

[0038] 41, bracket; 42, connecting arm; 43, transmission arm; 44, through slot; 45, lock hook; 46, tension spring;

[0039] 51, second spring; 52, push block; 53, slider; 54, third boss; 55, extension part; 56, locking block;

[0040] 61, connecting block; 62, stop block. Detailed implementation manners

[0041] The following further elaborates on the present utility model in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model and do not limit the utility model. Additionally, it should be noted that for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0042] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0043] Please refer to Figures 1 to 8 , an embodiment of the present utility model provides a rotary handle lock, including:

[0044] A handle seat 1, on which a through hole 11 is provided;

[0045] A locking component 2, installed at the through hole 11, including a lock body 21 and a handle shaft 22. The handle shaft 22 sequentially passes through the through hole 11 and the lock body 21. A baffle 23 is fixedly arranged at the outer end of the handle shaft 22, and a lock tongue 24 is fixedly installed at the inner end. A sealing structure is arranged on the outer periphery of the end of the lock body 21 away from the lock tongue 24. The sealing structure includes a sol groove 25 arranged on the outer periphery of the lock body 21 and a sealant or a first sealing ring filled in the sol groove 25, or the sealing structure includes a limiting ring arranged on the outer periphery of the lock body 21 and a sealing gasket arranged on the inner side of the limiting ring. A locking nut 26 is threadedly connected to the end of the lock body 21 close to the lock tongue 24. A snap ring 27 is installed on the outer wall of the handle shaft 22 between the lock body 21 and the lock tongue 24. A second sealing ring 28 is arranged between the outer wall of the handle shaft 22 and the inner wall of the lock body 21;

[0046] A handle 3, arranged on the outside of the handle seat 1, the top of which is rotatably connected to the outer end of the handle shaft 22 through a first pin shaft 31. A first spring 32 is arranged between the baffle 23 and the handle 3 below the first pin shaft 31;

[0047] A lock hook component 4, arranged inside the handle seat 1, and the lock hook component 4 passes through the handle seat 1 and hooks and locks the bottom end of the handle 3;

[0048] A button 5, arranged on the outside of the handle seat 1, below the handle 3, for pressing the lock hook component 4 to disengage it from the handle 3. A second spring 51 is arranged between the button 5 and the handle seat 1;

[0049] A lock core 6, installed on the handle seat 1, below the button 5, for locking the button 5 so that it cannot be pressed and moved, or unlocking the button 5 so that it can be pressed and moved.

[0050] In this embodiment, when the space outside the sealing ring between the cabinet door and the cabinet body is sufficient, the lock is installed on the cabinet door outside the sealing ring, ensuring the sealing performance of the cabinet.

[0051] When the space outside the sealing ring between the cabinet door and the cabinet body is small, install the lock on the cabinet door inside the sealing ring. First, pass the lock body 21 through the installation hole and tighten and fix the lock body 21 with the lock nut 26. At this time, the sol tank 25 presses against the outer periphery of the installation hole, and the seal between the lock body 21 and the installation hole is achieved through sealant, the first sealing ring or the gasket;

[0052] Then fixedly install the handle seat 1 on the cabinet door, align the through hole 11 on the handle seat 1 with the lock body 21, then put the second sealing ring 28 on the annular groove on the handle shaft 22, pass the handle shaft 22 through the through hole 11 and the lock body 21, and the second sealing ring 28 achieves the seal between the handle shaft 22 and the lock body 21; the baffle 23 limits one end of the handle shaft 22, and the part passing through the lock body 21 is fixed with a snap ring 27; then adjust the direction of the lock tongue 24 and fixedly install it at the inner end of the handle shaft 22.

[0053] When unlocking, turn the lock core 6 with the key so that the button 5 can be pressed. After pressing the button 5, the button 5 presses the lock hook assembly 4, so that the lock hook assembly 4 disengages from the bottom end of the handle 3. Under the action of the first spring 32, the bottom end of the handle 3 swings outward around the first pin shaft 31 to open; at this time, rotate the handle 3 around the handle shaft 22, and the handle 3 drives the lock tongue 24 to rotate through the handle shaft 22 to complete unlocking.

[0054] The lock of the present application can be installed either outside the sealing ring of the cabinet body or inside the sealing ring of the cabinet body to ensure the sealing performance of the cabinet, improving the applicability of the lock.

[0055] In a preferred embodiment, as Figure 3 and Figure 5 shown, a first installation groove 12 is provided on the outer side of the handle seat 1. The top end of the first installation groove 12 is connected to a circular second installation groove 13. The through hole 11 is opened in the second installation groove 13. A third installation groove 14 is provided below the first installation groove 12; a lock core hole 15 is opened on the handle seat 1 below the third installation groove 14;

[0056] The handle 3 is embedded in the first installation groove 12 and the second installation groove 13; the button 5 is embedded in the third installation groove 14; the lock core 6 is installed in the lock core hole 15.

[0057] In this embodiment, both the handle 3 and the button 5 are embedded in the handle seat 1, improving the assembly degree of the lock. The top end of the handle 3 is embedded in the circular second installation groove 13, ensuring that the handle 3 can rotate normally after disengaging from and bouncing up with the lock hook assembly 4.

[0058] In a preferred embodiment, as Figure 2 and Figure 3As shown, threaded holes 16 are respectively provided at the four corners inside the handle base 1. Screws 17 are threadedly connected to the threaded holes 16, and sealing gaskets 18 are sleeved on the screws 17. The handle base 1 is fixedly installed on the cabinet door through the screws 17 and the sealing gaskets 18, with stable installation, and the sealing gasket 18 ensures the sealing effect at the screws 17.

[0059] In a preferred embodiment, as Figure 3 and Figure 5 shown, a first boss 29 is fixedly provided below the first pin shaft 31 on the baffle 23. A groove 33 is correspondingly formed on the inner side of the handle 3 for the first boss 29. One end of the first spring 32 is sleeved on the first boss 29, and the other end is embedded in the groove 33, ensuring the stability of the installation of the first spring 32.

[0060] In a preferred embodiment, as Figure 4 and Figure 7 shown, the hook assembly 4 includes a bracket 41, a connecting arm 42 and a transmission arm 43. The bracket 41 is fixedly arranged inside the handle base 1. A through groove 44 is formed on the bracket 41. One end of the connecting arm 42 passes through the through groove 44 and extends to the handle 3 and is fixedly connected with a hook 45, and the other end is rotatably connected with the bracket 41. The top end of the transmission arm 43 is fixedly connected with the end of the connecting arm 42 away from the hook 45, and the bottom end extends below the through groove 44. The top of the connecting arm 42 is connected to the bracket 41 through a tension spring 46; a second pin shaft 34 is fixedly arranged corresponding to the hook 45 on the inner side of the bottom end of the handle 3.

[0061] In this embodiment, the connecting arm 42, the transmission arm 43 and the hook 45 are preferably integrally formed. The bottom end of the transmission arm 43 extends below the through groove 44, so that the hook 45 can only rotate downward. The tension spring 46 ensures that the hook 45 is in a lifted state without external force. The hook 45 hooks the second pin shaft 34 to hook and lock the bottom end of the handle 3, with good locking effect. Pushing the bottom end of the transmission arm 43, the transmission arm 43 drives the hook 45 to rotate downward through the connecting arm 42, so as to disengage from the second pin shaft 34, realizing the unlocking of the handle 3, which is convenient for unlocking.

[0062] In a preferred embodiment, as Figure 3 and Figure 8 shown, a push block 52 is fixedly arranged at the top inside the button 5. The push block 52 passes through the handle base 1 and extends to the through groove 44 and aligns with the transmission arm 43. When the button 5 is pressed, the push block 52 passes through the through groove 44 and pushes the transmission arm 43 to make the hook 45 rotate downward, so as to disengage from the second pin shaft 34, realizing the unlocking of the handle 3.

[0063] In a preferred embodiment, as Figure 3 and Figure 8As shown, both sides of the button 5 are slidably connected to the third installation groove 14 through sliders 53. A second boss 19 is provided in the third installation groove 14. A third boss 54 corresponding to the second boss 19 is provided on the inner side of the button 5. One end of the second spring 51 is sleeved on the second boss 19, and the other end is sleeved on the third boss 54, ensuring the stability of the installation of the second spring 51. After the user releases the button 5, the button 5 automatically pops up under the tension of the second spring 51.

[0064] In a preferred embodiment, as Figure 3 and Figure 8 shown, an extension 55 that slidably penetrates through the handle base 1 is fixedly connected to the bottom of the inner side of the button 5, and a locking block 56 is fixedly connected to the bottom of the extension 55;

[0065] A connecting block 61 is fixedly provided at the inner end of the lock core 6 below the locking block 56. A stop block 62 is fixedly provided on the inner side of the locking block 56 on the connecting block 61. The stop block 62 avoids the locking block 56 after rotating a preset angle with the lock core 6.

[0066] In this embodiment, with the cooperation of the locking block 56 and the stop block 62, when the stop block 62 blocks the inner side of the locking block 56, the button 5 cannot be pressed, that is, the lock hook assembly 4 cannot be unlocked, and at this time the lock is in the locked state. When the key rotates the lock core 6, the stop block 62 avoids the locking block 56 after rotating a preset angle with the lock core 6. At this time, the button 5 can be pressed, thereby completing the unlocking of the lock hook assembly 4. The cooperation structure of the lock core 6 and the button 5 is simple and the locking effect is good.

[0067] In the description of this specification, terms such as "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0068] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0069] The above are only the preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various modifications and variations can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A rotary handle lock, characterized in that, Comprising: A handle base (1) with a through hole (11) formed thereon; A locking assembly (2) installed at the through hole (11), including a lock body (21) and a handle shaft (22). The handle shaft (22) sequentially passes through the through hole (11) and the lock body (21). A baffle (23) is fixedly arranged at the outer end of the handle shaft (22), and a lock tongue (24) is fixedly installed at the inner end. A sealing structure is arranged on the outer periphery of the end of the lock body (21) away from the lock tongue (24). The sealing structure includes a sol tank (25) arranged on the outer periphery of the lock body (21) and a sealant or a first sealing ring filled in the sol tank (25), or the sealing structure includes a limiting ring arranged on the outer periphery of the lock body (21) and a sealing gasket arranged inside the limiting ring. A locking nut (26) is threadedly connected to the end of the lock body (21) close to the lock tongue (24). A snap ring (27) is installed between the lock body (21) and the lock tongue (24) on the outer wall of the handle shaft (22). A second sealing ring (28) is arranged between the outer wall of the handle shaft (22) and the inner wall of the lock body (21); A handle (3) arranged outside the handle base (1), the top end of which is rotationally connected to the handle shaft (X) through a first pin shaft (31). A first spring (32) is arranged between the baffle (23) and the handle (3) below the first pin shaft (31); A lock hook assembly (4) arranged inside the handle base (1), which passes through the handle base (1) and hooks and locks the bottom end of the handle (3); A button (5) arranged outside the handle base (1), below the handle (3), for pressing the lock hook assembly (4) to disengage it from the handle (3). A second spring (51) is arranged between the button (5) and the handle base (1); A lock core (6) installed on the handle base (1), below the button (5), for locking the button (5) so that it cannot be pressed and moved, or unlocking the button (5) so that it can be pressed and moved.

2. The rotary handle lock according to claim 1, wherein, A first installation groove (12) is arranged on the outer side of the handle base (1). The top end of the first installation groove (12) is connected to a circular second installation groove (13). The through hole (11) is formed in the second installation groove (13). A third installation groove (1X) is arranged below the first installation groove (12); A lock core hole (15) is formed in the handle base (1) below the third installation groove (1X); The handle (3) is embedded in the first installation groove (12) and the second installation groove (13); The button (5) is embedded in the third installation groove (1X); The lock core (6) is installed in the lock core hole (15).

3. The rotary handle lock according to claim 1, characterized in that, Threaded holes (16) are respectively arranged at the four corners inside the handle base (1). Screws (17) are threadedly connected in the threaded holes (16), and sealing gaskets (18) are sleeved on the screws (17).

4. The rotary handle lock according to claim 1, characterized in that A first boss (29) is fixedly arranged below the first pin shaft (31) on the baffle plate (23). A slot (33) is formed in the inner side of the handle (3) corresponding to the first boss (29). One end of the first spring (32) is sleeved on the first boss (29), and the other end is embedded in the slot (33).

5. The rotary handle lock according to claim 1, characterized in that, The hook assembly (4) includes a bracket (41), a connecting arm (42) and a transmission arm (43). The bracket (41) is fixedly arranged on the inner side of the handle base (1). A through slot (44) is formed in the bracket (41). One end of the connecting arm (42) passes through the through slot (44) and extends to the handle (3) and is fixedly connected with a hook (45). The other end is rotatably connected with the bracket (41). The top end of the transmission arm (43) is fixedly connected with the end of the connecting arm (42) away from the hook (45). The bottom end extends below the through slot (44). The top of the connecting arm (42) is connected with the bracket (41) through a tension spring (46). A second pin shaft (34) is fixedly arranged on the inner side of the bottom end of the handle (3) corresponding to the hook (45).

6. The rotary handle lock according to claim 5, characterized in that A push block (52) is fixedly arranged at the top of the inner side of the button (5). The push block (52) passes through the handle base (1) and extends to the through slot (44) and is aligned with the transmission arm (43).

7. The rotary handle lock according to claim 2, characterized in that, Both sides of the button (5) are slidably connected with the third installation groove (14) through sliders (53). A second boss (19) is arranged in the third installation groove (14). A third boss (54) is arranged on the inner side of the button (5) corresponding to the second boss (19). One end of the second spring (51) is sleeved on the second boss (19), and the other end is sleeved on the third boss (54).

8. The rotary handle lock according to claim 6, wherein An extension part (55) which slidably penetrates through the handle base (1) is fixedly connected to the bottom of the inner side of the button (5). A locking block (56) is fixedly connected to the bottom of the extension part (55). A connecting block (61) is fixedly arranged below the inner end of the lock core (6) and located below the locking block (56). A stop block (62) is fixedly arranged on the inner side of the connecting block (61) corresponding to the locking block (56). The stop block (62) avoids the locking block (56) after rotating a preset angle along with the lock core (6).

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