Automatic locking device for cabinet door handle
By installing an automatic locking device on the cabinet door handle, the locking and unlocking positions can be switched using the elastic components of the lock seat and lock rod, thus solving the problem of accidental displacement of the cabinet door handle and ensuring the stable operation of the equipment.
Patent Information
- Application Number
- CN202520374847.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Cabinet door handles are prone to accidental unlocking, leading to unnecessary alarms and equipment shutdowns, which affects production efficiency.
Design an automatic locking device for cabinet door handles, including a lock base and a lock bar. The lock bar is switched between locked and unlocked positions using an elastic element, and accidental unlocking is prevented by the mutual abutment between the lock bar and the handle.
This improved the locking reliability of the cabinet door handle, reduced the probability of accidental triggering of the safety switch, and ensured the stable operation of the equipment.
Smart Images
Figure CN223813975U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a locking device technical field especially relates to a cabinet door handle automatic locking device. BACKGROUND
[0002] In the production process of tobacco products, according to the process requirement, many storage cabinets will be set, in order to facilitate maintenance, the door of the storage cabinet is installed for the convenience of staff, and the cabinet door handle is installed on the door. In addition, in order to protect the safety of the staff in the cabinet, a safety switch is installed on the door, which triggers the safety switch alarm and sends an emergency stop signal to prohibit the equipment operation when the door is opened.
[0003] Due to the vibration of the equipment in the cabinet or the misoperation of the staff during maintenance, the cabinet door handle is easily unlocked by accident, causing unnecessary alarm and equipment emergency stop, interrupting the production process and affecting the production efficiency.
[0004] Therefore, it is urgent to design a new cabinet door handle automatic locking device to improve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a cabinet door handle automatic locking device, which solves the technical problem of accidental unlocking of the cabinet door handle.
[0006] To achieve this purpose, the utility model adopts the following technical scheme:
[0007] The cabinet door handle automatic locking device provided by the utility model is installed on the cabinet door and located in the rotating stroke range of the handle, and comprises:
[0008] A lock seat is detachably installed on the cabinet door;
[0009] A lock rod is rotationally connected with the lock seat, the rotating axis of the lock rod is perpendicular to the rotating axis of the handle, and an elastic element is arranged between one end of the lock rod and the lock seat;
[0010] When the handle is in the locking state, the lock rod has a locking position and an unlocking position;
[0011] When the lock rod is in the unlocking position, one end of the lock rod is close to the lock seat to extrude the elastic element in the compressed state, and the lock rod is located outside the rotating stroke range of the handle;
[0012] When the lock rod is in the locking position, one end of the lock rod is away from the lock seat, the spring is in the natural state or the stretched state, and part of the lock rod is located in the rotating stroke range of the handle to resist the rotation of the handle.
[0013] As a preferred scheme of the cabinet door handle automatic locking device, one end of the elastic member is bent towards the handle to form a blocking part.
[0014] As a preferred scheme of the cabinet door handle automatic locking device, the blocking part is perpendicular to the lock rod, and a blocking groove is formed in an end face of the blocking part towards the handle, and the blocking groove is open at an end face of the blocking part away from the lock seat.
[0015] As a preferred scheme of the cabinet door handle automatic locking device, the lock seat comprises:
[0016] a base;
[0017] ear seats, two of which are arranged on the base in a spaced manner, and the lock rod is located between the two ear seats, and opposite sides of the lock rod are provided with through holes, and the through holes are provided with connecting members which are detachably connected with the two ear seats at two ends.
[0018] As a preferred scheme of the cabinet door handle automatic locking device, the length of the lock rod from the elastic member to the through hole is a, the length of the lock rod from the other end to the through hole is b, and a > b.
[0019] As a preferred scheme of the cabinet door handle automatic locking device, an adjusting part is extended from the end of the lock rod away from the elastic member, and the thickness of the adjusting part is smaller than the thickness of the lock rod.
[0020] As a preferred scheme of the cabinet door handle automatic locking device, a limiting screw is arranged at the end of the lock rod away from the elastic member, and the end of the limiting screw movably abuts against the lock seat to limit the rotation angle of the lock rod.
[0021] As a preferred scheme of the cabinet door handle automatic locking device, the elastic member comprises a spring, one end of the spring is connected with the lock seat, and the other end is connected with the lock rod.
[0022] As a preferred scheme of the cabinet door handle automatic locking device, a groove is formed in the lock seat and / or the lock rod, and the end of the spring is located in the groove.
[0023] As a preferred scheme of the cabinet door handle automatic locking device, a threaded hole is formed in the lock seat, and a screw connected with the cabinet door is threadedly connected in the threaded hole.
[0024] The cabinet door handle automatic locking device has the following beneficial effects:
[0025] When locking the handle, the lock base is installed at the empty position beside the cabinet door handle, one hand of the worker holds the lock rod far away from the spring end, and the lock rod is rotated upward to move the other end of the lock rod with the spring to the lock base, so that the spring is compressed, and the lock rod is in the unlocking position out of the rotation range of the handle; the other hand of the worker adjusts the handle to rotate until the handle is in the locked state, and then the lock rod is released, the spring is restored to the natural state under the elastic action and pushes the other end of the lock rod with the spring to rotate away from the lock base, so that the lock rod is in the locking position in the rotation range of the handle, and the side surface of the lock rod abuts against one side of the handle, so that the lock rod can resist the rotation of the handle, avoids the vibration of the equipment in the cabinet or the misoperation of the worker during maintenance, and prevents the accidental unlocking of the cabinet door handle, so that the locking reliability of the cabinet door handle is better, the accidental triggering of the safety switch is reduced, and the stable operation of the equipment is ensured.
[0026] The other end of the lock rod with the spring is always out of the rotation range of the handle, so the worker can also not need to adjust the lock rod, and in the process of rotating and adjusting the handle to be locked, the handle can gradually press the other end of the lock rod with the spring to rotate towards the lock base and compress the spring, until the handle is rotated to the position, the lock rod is separated from the pressing of the handle and rotates away from the lock base under the action of the spring, so that the lock rod is in the locking position in the rotation range of the handle, and the side surface of the lock rod abuts against one side of the handle, so that the lock rod can resist the rotation of the handle.
[0027] When unlocking the handle, one hand of the worker rotates the lock rod far away from the spring end upward, and the other end of the lock rod with the spring moves towards the lock base and the spring is compressed, so that the lock rod is in the unlocking position, and the other hand of the worker can adjust the handle to rotate to be unlocked.
[0028] In summary, by additionally arranging the cabinet door handle automatic locking device beside the handle of the cabinet door, the handle can be clamped after being locked, misoperation is avoided, the cabinet door cannot be abnormally opened, the situation that the safety switch is accidentally triggered to cause abnormal shutdown is reduced, and the normal operation of production is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 is the front view of the lock rod of the cabinet door handle locking device in the locking position provided by the embodiment of the utility model;
[0030] Figure 2 is the front view of the lock rod of the cabinet door handle locking device in the unlocking position provided by the embodiment of the utility model;
[0031] Figure 3 is the plan view of the lock rod of the cabinet door handle locking device in the unlocking position provided by the embodiment of the utility model;
[0032] Figure 4 Figure 1 is a side view of the cabinet door handle locking device according to an embodiment of the present application.
[0033] In the figure:
[0034] 1, lock seat; 11, base; 111, screw; 12, ear seat;
[0035] 2, lock rod; 21, gear position part; 211, gear slot; 22, adjusting part; 23, limiting screw;
[0036] 3, connecting piece; 31, hinge pin; 32, nut;
[0037] 4, spring;
[0038] 100, handle. DETAILED DESCRIPTION
[0039] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, not all the structures.
[0040] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0041] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include the direct contact between the first and second features, or the indirect contact between the first and second features through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0042] In the description of the present embodiment, the terms "upper", "lower", "right", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.
[0043] In combination Figures 1-4 As shown in the drawings, the present embodiment provides a cabinet door handle automatic locking device, which is installed on the cabinet door and located within the rotation range of the handle 100. The cabinet door handle automatic locking device comprises a lock seat 1 and a lock rod 2. The lock seat 1 is detachably installed on the cabinet door, and the lock rod 2 is rotationally connected with the lock seat 1. The rotation axis of the lock rod 2 is perpendicular to the rotation axis of the handle 100. An elastic member is arranged between one end of the lock rod 2 and the lock seat 1.
[0044] Wherein, the handle 100 is in a locked state, and the lock rod 2 has a locking position and an unlocking position. As shown in the drawings, Figure 1 When the lock rod 2 is in the locking position, one end of the lock rod 2 is away from the lock seat 1, the spring 4 is in a natural state or a stretched state, and part of the lock rod 2 is within the rotation range of the handle 100 to resist the rotation of the handle 100. As shown in the drawings, Figure 2 When the lock rod 2 is in the unlocking position, one end of the lock rod 2 is close to the lock seat 1 to compress the elastic member to a compressed state, and the lock rod 2 is outside the rotation range of the handle 100.
[0045] Specifically, as shown in the drawings, Figure 2 and Figure 3 The lock seat 1 of the present embodiment comprises a base 11 and an ear seat 12. Two ear seats 12 are provided, one end of the two ear seats 12 is integrally formed with the end face of the base 11, the two ear seats 12 are spaced apart on the base 11 and the spacing is matched with the lock rod 2, the lock rod 2 is located between the two ear seats 12, through holes are formed on the opposite sides of the lock rod 2, and mounting holes are formed on the two ear seats 12 correspondingly. A connecting member 3 is arranged in the through holes and the two mounting holes to rotationally connect the lock rod 2 with the lock seat 1.
[0046] More specifically, the connecting piece 3 comprises a hinge pin 31 and a nut 32, the hinge pin 31 has a stem and a head, the diameter of the head is larger than that of the stem, that is, the cross section of the hinge pin 31 is arranged in a "T" shape, the end of the stem away from the head is provided with a thread, the end of the stem away from the head is sequentially threaded through the mounting hole of one lug 12, the through hole of the lock rod 2 and the mounting hole of the other lug 12, the head is in abutment with the stepped surface of the stem on the side wall of one lug 12, and the nut 32 is threadedly connected to the stem and abuts against the side wall of the other lug 12. Through the threaded cooperation of the nut 32 and the hinge pin 31, the lock rod 2 and the lock seat 1 can be detachably connected, which facilitates the replacement of the lock rod 2 when it is damaged or worn out, or the replacement of the lock rod 2 of different lengths according to different models of the handle 100, thereby improving the versatility.
[0047] Continuing to refer to Figure 2 , a threaded hole is formed through the lock seat 1, and a screw 111 connected to the cabinet door is threadedly connected in the threaded hole. The lock seat 1 is detachably mounted on the cabinet door through the screw 111, which further facilitates replacement and transfer.
[0048] As shown in Figure 3 and Figure 4 , the length from one end of the elastic member of the lock rod 2 to the through hole is a, and the length from the other end of the lock rod 2 to the through hole is b, and a > b. In this way, when the lock rod 2 rotates, the rotation stroke of one end of the lock rod 2 with the elastic member is greater than that of the other end of the lock rod 2, which ensures that the rotation of one end of the lock rod 2 with the elastic member can be within the rotation stroke range of the handle 100.
[0049] Preferably, the elastic member comprises a spring 4, one end of the spring 4 is connected to the lock seat 1, and the other end of the spring 4 is connected to the lock rod 2. The spring 4 has excellent elastic properties and can deform when subjected to an external force and quickly return to its original state after the external force is removed. In addition, the spring 4 can be stretched along the center of rotation of the lock rod 2, which has good adaptability.
[0050] Further, the lock seat 1 and / or the lock rod 2 is provided with an embedding groove, and the end of the spring 4 is located in the embedding groove. Alternatively, the lock rod 2 of the present embodiment is provided with an embedding groove, one end of the spring 4 is fixedly connected to the lock seat 1, and the other end of the spring 4 is located in the embedding groove and abuts against the inner bottom wall of the embedding groove. Through the arrangement of the embedding groove, the spring 4 is connected to the lock rod 2 while being detachably connected to the lock rod 2.
[0051] Continuing to refer to Figure 3 and Figure 4, the end of the lock rod 2 with the elastic member is bent towards the handle 100 to form a blocking part 21. The blocking part 21 is perpendicular to the lock rod 2, that is, the lock rod 2 is arranged in an "L" shape. The end face of the blocking part 21 towards the handle 100 is provided with a blocking groove, and the blocking groove is arranged in an open manner at the end face of the blocking part 21 away from the lock base 1, that is, the blocking groove 211 has an abutting face and a limiting face, the limiting face and the abutting face are arranged at an obtuse angle, and the angle between the two is matched with the shape of the handle 100. When the lock rod 2 rotates away from the lock base 1, the abutting face of the lock rod 2 abuts on the handle 100, and the limiting face of the lock rod 2 is used to limit the rotation of the handle 100.
[0052] As shown in Figure 2 , the end of the lock rod 2 away from the elastic member extends an adjusting part 22, and the thickness of the adjusting part 22 is less than the thickness of the lock rod 2, so as to increase the rotation range of the lock rod 2 and reduce the interference between the lock rod 2 and the lock base 1.
[0053] As shown in Figure 4 , the end of the lock rod 2 away from the elastic member is provided with a limiting screw 23, and the end of the limiting screw 23 movably abuts on the lock base 1. The limiting screw 23 is used to limit the rotation angle of the lock rod 2, so as to prevent the lock rod 2 from rotating excessively and protect the lock rod 2 and the elastic member.
[0054] Now, the locking and unlocking processes of the cabinet door handle automatic locking device will be further described in combination with Figure 1 and Figure 2 .
[0055] When locking the handle 100:
[0056] Case one: the lock base 1 is installed at the neutral position beside the cabinet door handle 100, one hand of the worker holds the end of the lock rod 2 away from the spring 4, lifts the lock rod 2 and rotates it away from the lock base 1, so that the other end of the lock rod 2 with the spring 4 moves towards the lock base 1 and compresses the spring 4 to be in a compressed state. At this time, the lock rod 2 is in an unlocked position and is outside the rotation range of the handle 100, that is, the lock rod 2 is parallel to the lock base 1. The other hand of the worker adjusts the rotation of the handle 100 until the handle 100 is in a locked state, and then the lock rod 2 is released. The spring 4 returns to a natural state under the elastic action and pushes the other end with the spring 4 to rotate away from the lock base 1. At this time, the lock rod 2 is in a locked position and is within the rotation range of the handle 100. The side surface of the lock rod 2 abuts on one side of the handle 100, so that the lock rod 2 can resist the rotation of the handle 100, avoid the vibration of the equipment in the cabinet or the misoperation of the worker during maintenance, and cause the cabinet door handle 100 to be unexpectedly unlocked. The reliability of the locking of the cabinet door handle 100 is better, the situation of accidentally touching the safety switch is reduced, and the stable operation of the equipment is ensured.
[0057] Case two: since the end of the locking rod 2 away from the spring 4 is always out of the rotation stroke range of the handle 100, the staff can also not need to adjust the locking rod 2, in the process of rotating the adjusting handle 100 to lock, the handle 100 can gradually press the other end of the locking rod 2 with the spring 4 to rotate towards the direction of approaching the lock seat 1, and extrude the spring 4 to be in the compression state, until the handle 100 is rotated to the position, the locking rod 2 is separated from the pressing of the handle 100 and rotates towards the direction of away from the lock seat 1 under the action of the spring 4, at this time, the locking rod 2 is in the locking position, in the rotation stroke range of the handle 100, the side surface of the locking rod 2 abuts against one side of the handle 100, so that the locking rod 2 can resist the rotation of the handle 100.
[0058] When unlocking the handle 100, the staff lifts the end of the locking rod 2 away from the spring 4 to rotate away from the lock seat 1 with one hand, and the end of the locking rod 2 with the spring 4 moves towards the lock seat 1 and the spring 4 is compressed, at this time, the locking rod 2 is in the unlocking position, and the staff can adjust the handle 100 to rotate to unlock with the other hand.
[0059] In summary, by adding the cabinet door handle automatic locking device beside the handle 100 of the cabinet door, the handle 100 of the cabinet door can be clamped after being locked, the misoperation is avoided, the cabinet door cannot be abnormally opened, the situation that the safety switch is mis-triggered to cause abnormal stop is reduced, and the normal operation of production is ensured.
[0060] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not a limitation on the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A cabinet door handle automatic locking device, characterized in that, The application discloses a cabinet door handle automatic locking device which is installed on a cabinet door and located in the rotating stroke range of a handle (100). A lock base (1) is detachably installed on the cabinet door; A lock rod (2) is rotationally connected with the lock base (1), the rotating axis of the lock rod (2) is perpendicular to the rotating axis of the handle (100), and an elastic element is arranged between one end of the lock rod (2) and the lock base (1); When the handle (100) is in a locking state, the lock rod (2) has a locking position and an unlocking position; When the lock rod (2) is in the unlocking position, one end of the lock rod (2) is close to the lock base (1) to compress the elastic element to a compressed state, and the lock rod (2) is located outside the rotating stroke range of the handle (100); When the lock rod (2) is in the locking position, one end of the lock rod (2) is away from the lock base (1), the elastic element is in a natural state or a stretched state, and part of the lock rod (2) is located in the rotating stroke range of the handle (100) to resist the rotation of the handle (100).
2. The cabinet door handle automatic locking device according to claim 1, characterized in that, The lock rod (2) is bent towards the handle (100) at one end of the elastic element to form a blocking part (21).
3. The cabinet door handle automatic locking device according to claim 2, characterized in that, The blocking part (21) is perpendicular to the lock rod (2), an end face of the blocking part (21) towards the handle (100) is provided with a blocking groove, and the blocking groove is open at an end face of the blocking part (21) away from the lock base (1).
4. The cabinet door handle automatic locking device according to claim 1, characterized in that, The lock base (1) comprises: a base (11); two ear bases (12) which are arranged on the base (11) at intervals, the lock rod (2) is located between the two ear bases (12), and opposite sides of the lock rod (2) are provided with through holes, and two connecting elements (3) which are detachably connected with the two ear bases (12) at two ends are arranged in the through holes.
5. The cabinet door handle automatic locking device according to claim 4, characterized in that, The length of the lock rod (2) from one end of the elastic element to the through hole is a, the length of the lock rod (2) from the other end to the through hole is b, and a > b.
6. The cabinet door handle automatic locking device according to claim 5, characterized in that, An adjusting part (22) is arranged at one end of the lock rod (2) away from the elastic element, and the thickness of the adjusting part (22) is smaller than the thickness of the lock rod (2).
7. The cabinet door handle automatic locking device according to claim 5, characterized in that, A limiting screw (23) is arranged at one end of the lock rod (2) away from the elastic element, and the end of the limiting screw (23) movably abuts against the lock base (1) to limit the rotating angle of the lock rod (2).
8. The automatic locking device for cabinet door handle according to any one of claims 1-7, characterized in that, The elastic element comprises a spring (4), one end of the spring (4) is connected with the lock base (1), and the other end is connected with the lock rod (2).
9. The cabinet door handle automatic locking device according to claim 8, characterized in that, A recess is arranged on the lock base (1) and / or the lock rod (2), and the end of the spring (4) is located in the recess.
10. The automatic locking device for cabinet door handle according to any one of claims 1-7, characterized in that, A threaded hole is arranged on the lock base (1) and is threadedly connected with a screw (111) connected with the cabinet door.