Handle of manual operating mechanism

Abstract

The present application relates to the technical field of low-voltage electric appliances, and discloses a handle of a manual operating mechanism, comprising a fixed base, a rotating knob, a linkage member, and a rotating plate. An accommodating cavity is formed in the fixed base; the rotating knob is rotatably arranged on the fixed base; the linkage member and the rotating plate are rotatably arranged in the accommodating cavity, a first end of the linkage member is fixedly connected to the rotating knob, and a second end of the linkage member is provided with a long insertion slot; and the rotating plate is provided with long through holes. When the rotating knob is in an open position, a rotating shaft can enter / exit the long insertion slot by means of the long through holes, so that a cabinet door can be opened; and when the rotating knob rotates to a closing position, the linkage member can be driven to rotate at the same time until the long insertion slot is staggered with the long through holes, achieving locking of the cabinet door. If the cabinet door needs to be opened when the rotating knob is located at the closing position, the cabinet door can be opened by rotating the rotating plate; and if the cabinet door needs to be locked when the rotating knob is located at the open position, the cabinet door can further be locked by rotating the rotating plate.

Description

Handle for manual operating mechanism

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on December 26, 2023, with application number 202311808902.3, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of low-voltage electrical appliances, for example, to a handle of a manual operating mechanism. Background Art

[0003] A manual operating mechanism is a common accessory for circuit breakers, primarily used for remote control of the circuit breaker. The handle is located on the cabinet door, and the circuit breaker is housed within the cabinet. Rotating the handle to the appropriate position opens and closes the circuit breaker within the cabinet, protecting both personnel and electrical equipment while also making circuit breaker control more convenient. Currently, the handles of most products primarily control the opening and closing of the circuit breaker, achieved by rotating the handle. However, the handles of related products are relatively simple in functionality, unable to open the cabinet door after closing the circuit breaker, or lock the cabinet door when opening the circuit breaker.

[0004] Summary of the Invention

[0005] The present application provides a handle for a manual operating mechanism, which is rich in functions and highly practical.

[0006] This application adopts the following technical solutions:

[0007] The handle of the manual operating mechanism includes:

[0008] A fixing seat, wherein a receiving cavity is provided inside the fixing seat;

[0009] A rotary knob is rotatably disposed on the fixing seat, and the rotary knob has a closing position and an opening position;

[0010] A linkage member is rotatably disposed in the accommodating cavity, wherein a first end of the linkage member is fixedly connected to the rotating knob, and a second end of the linkage member is provided with an insertion slot;

[0011] A rotary disk is rotatably disposed in the accommodating cavity, and the rotary disk is provided with a through-long hole. When the rotary knob switches between the closing position and the opening position, it can drive the linkage member to rotate so that the insertion long slot and the through-long hole are misaligned or aligned, so that the rotating shaft of the manual operating mechanism can be limited to the insertion long slot or escape from the insertion long slot;

[0012] When the rotary knob is in the closing position, rotating the rotary disk can align the insertion slot with the through long hole; when the rotary knob is in the opening position, rotating the rotary disk can misalign the insertion slot with the through long hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] FIG1 is a schematic structural diagram of a handle of a manual operating mechanism provided in an embodiment of the present application;

[0014] FIG2 is an exploded view of a handle of a manual operating mechanism provided in an embodiment of the present application;

[0015] FIG3 is a schematic diagram of the connection structure between the outer housing and the turntable according to an embodiment of the present application;

[0016] FIG4 is a schematic diagram of the connection between the rotary knob and the rotary disk involved in an embodiment of the present application;

[0017] FIG5 is a schematic structural diagram of an outer shell according to an embodiment of the present application;

[0018] FIG6 is an exploded schematic diagram of a rotary knob according to an embodiment of the present application;

[0019] FIG7 is a schematic structural diagram of a rotary button according to an embodiment of the present application;

[0020] FIG8 is a schematic structural diagram of a linkage member according to an embodiment of the present application;

[0021] FIG9 is a schematic structural diagram of a turntable according to an embodiment of the present application;

[0022] FIG10 is a schematic structural diagram of a sliding member according to an embodiment of the present application.

[0023] In the figure: 1. fixing seat; 11. outer shell; 111. accommodating cavity; 112. positioning rod; 113. torsion spring connecting rod; 114. locking hole; 115. limit block; 116. second connecting column; 117. flexible baffle; 12. inner shell; 13. communicating hole; 2. rotating knob; 21. locking member; 211. locking shaft; 2111. first inclined surface; 22. rotating body; 221. manual locking hole; 222. auxiliary hole; 223. locking hole; 224. second slide groove; 225. snap-fitting groove; 226. first connecting column; 227. cylindrical boss; 23. baffle; 231. L-shaped slide; 2311. snap-fitting protrusion; 3. linkage member; 31. insertion slot; 32. snap-fitting boss; 33. limit rib; 4. Turntable; 41. Through-long hole; 411. First long hole; 412. Second long hole; 42. First extension plate; 43. Second torsion spring connecting hole; 44. Second extension plate; 441. Second inclined surface; 5. Sliding member; 51. Push plate; 511. Snap-fit ​​groove; 52. Connecting block; 521. Insertion groove; 6. First elastic member. DETAILED DESCRIPTION

[0024] In the description of this application, unless otherwise expressly specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to a fixed connection or a detachable connection, a mechanical connection or an electrical connection, a direct connection or an indirect connection through an intermediate medium, and may refer to internal communication between two elements or an interaction between two elements. A person of ordinary skill in the art will be able to understand the meaning of the above terms in this application according to the circumstances.

[0025] In the description of this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] The technical solution of this application is explained below with reference to the accompanying drawings and through specific implementation methods.

[0027] The manual operating mechanism is a common accessory for circuit breakers, primarily used for remote control of the circuit breaker. The handle is located on the cabinet door, and the circuit breaker is housed within the box. Rotating the handle to the appropriate position opens and closes the circuit breaker within the box, protecting both personnel and electrical equipment while also making circuit breaker control more convenient. The handle is connected to the mechanism via a rotating shaft, meaning rotating the handle controls the mechanism's movement via the rotating shaft, thereby opening and closing the circuit breaker.

[0028] As shown in Figures 1 to 10, an embodiment of the present application provides a handle of a manual operating mechanism, comprising a fixed base 1, a rotary knob 2, a linkage member 3, and a turntable 4. The fixed base 1 is provided with a receiving chamber 111; the rotary knob 2 is rotatably provided on the fixed base 1, and the rotary knob 2 has a closing position and an opening position, and the rotary knob 2 can be rotated and switched between the closing position and the opening position; the linkage member 3 is rotatably provided in the receiving chamber 111, and the first end of the linkage member 3 is fixedly connected to the rotary knob 2 so that the rotary knob 2 can drive the linkage member 3 to rotate simultaneously when the rotary knob 2 is rotated, and the second end of the linkage member 3 is provided with an insertion slot 31 capable of accommodating the end of the rotating shaft; the turntable 4 is rotatably provided in the receiving chamber 111, and the turntable 4 is provided with a through-long hole 41. When the rotary knob 2 switches between the closed and open positions, it drives the linkage member 3 to rotate, causing the insertion slot 31 to be misaligned or aligned with the through-hole 41, thereby allowing the rotating shaft of the manual operating mechanism to be confined within or removed from the insertion slot 31. When the rotary knob 2 is in the closed position, rotating the dial 4 can align the insertion slot 31 with the through-hole 41; when the rotary knob 2 is in the open position, rotating the dial 4 can misalign the insertion slot 31 with the through-hole 41.

[0029] Under normal circumstances, when the rotary knob 2 is in the closing position, the insertion slot 31 and the through long hole 41 are staggered, and the end of the rotating shaft is located in the insertion slot 31 and is restricted by the turntable 4 and cannot escape from the insertion slot 31, thereby locking the cabinet door; when the rotary knob 2 is rotated and switched from the closing position to the opening position, the rotary knob 2 simultaneously drives the linkage part 3 to rotate, so that the insertion slot 31 is aligned with the through long hole 41, and the end of the rotating shaft is not restricted by the turntable 4 and escapes from the insertion slot 31 through the through long hole 41, thereby opening the cabinet door.

[0030] In special circumstances, when the cabinet door needs to be opened when the rotary knob 2 is in the closed position, the turntable 4 can be rotated to align the insertion slot 31 and the through-long hole 41 while the linkage 3 is fixed, so as to achieve the opening of the cabinet door; in addition, when the cabinet door needs to be locked when the rotary knob 2 is in the open position, the turntable 4 can be rotated to misalign the insertion slot 31 and the through-long hole 41 while the linkage 3 is fixed, so as to achieve the locking of the cabinet door.

[0031] The handle of the manual operating mechanism not only realizes the normal opening and locking of the cabinet door by setting the turntable 4, but also realizes the emergency unlocking function in special circumstances and the locking function in the open position, which is rich in functions and improves practicality.

[0032] The fixing base 1 includes an outer shell 11 and an inner shell 12 that are connected to each other. The outer shell 11 and the inner shell 12 are both arranged outside the cabinet door. The inner shell 12 is fixed to the cabinet door by bolts and nuts to fix the handle of the manual operating mechanism on the cabinet door. A accommodating cavity 111 is provided on the side of the outer shell 11 facing the inner shell 12.

[0033] In order to realize emergency unlocking of the rotary knob 2 when the rotary knob is in the closed position so that the cabinet door can be opened, as shown in Figure 1, the handle of the manual operating mechanism also includes a sliding member 5. The side wall of the fixed seat 1 is provided with a connecting hole 13. The sliding member 5 is slidably arranged in the space formed by the outer shell 11 and the inner shell 12 connected to each other, and is connected to the turntable 4. The operator can move the sliding member 5 through the connecting hole 13 to make the sliding member 5 slide on the fixed seat 1. The sliding member 5 is connected to the turntable 4, so that the linear motion of the sliding member 5 is converted into the circular motion of the turntable 4, that is, the rotation of the turntable 4 is realized, and the through long hole 41 can be aligned with the insertion long slot 31 through the rotation of the turntable 4.

[0034] Exemplarily, as shown in Figure 2 and in combination with Figure 10, the sliding member 5 includes a push plate 51 and a connecting block 52 that are connected to each other. The side wall of the fixed seat 1 is provided with a first slide groove, that is, the side wall of the outer shell 11 is provided with a first outer slide groove, and the side wall of the inner shell 12 is provided with a first inner slide groove. The first outer slide groove and the first inner slide groove constitute a first slide groove. The push plate 51 is slidably set in the first slide groove and corresponds to the connecting hole 13. The connecting block 52 is located between the outer shell 11 and the inner shell 12 and is connected to the turntable 4. The operator can drive the connecting block 52 to move simultaneously by toggling the push plate 51, thereby rotating the turntable 4.

[0035] In order to facilitate the use of tools to move the push plate 51, a clamping groove 511 is opened on the push plate 51. The operator can use a tool such as a flat-head screwdriver to insert the clamping groove 511 to move the push plate 51 so that the connecting block 52 drives the turntable 4 to rotate.

[0036] An insertion slot 521 is provided on the end of the connecting block 52 that faces the accommodating cavity 111. A first extension plate 42 is provided on the outer circumference of the turntable 4. The first extension plate 42 is capable of being inserted into the insertion slot 521. When the slider 5 moves, it can drive the turntable 4 to rotate, thereby achieving a linkage between the slider 5 and the turntable 4. That is, the linear motion of the slider 5 is converted into the circular motion of the turntable 4. Of course, when the turntable 4 rotates, it can also drive the slider 5 to translate. It will be understood that the width of the insertion slot 521 is greater than the width of the first extension plate 42, and there is sufficient space between the end of the first extension plate 42 and the bottom of the insertion slot 521.

[0037] Alternatively, referring again to FIG. 2 and in combination with FIG. 3 , the through-long hole 41 includes a first long hole 411 and a second long hole 412 that are intersectingly arranged. When the rotary knob 2 is in the open position, the first long hole 411 can be aligned with the insertion slot 31. When the rotary knob 2 is in the closed position, the second long hole 412 can be aligned with the insertion slot 31 by rotating the rotary disk 4 by toggling the slider 5. This structural design makes the structure more reasonable, and the rotary disk 4 can be rotated by a small angle to achieve the alignment of the first long hole 411 or the second long hole 412 with the insertion slot 31.

[0038] In order to enable the second long hole 412 to be quickly aligned with the insertion long slot 31 when the sliding member 5 is moved, the width of the second long hole 412 is greater than the width of the first long hole 411 .

[0039] Optionally, the central axis of the first long hole 411 and the central axis of the second long hole 412 are not coaxial with the central axis of the insertion slot 31 .

[0040] The turntable 4 is elastically connected to the fixing base 1 so that the turntable 4 can be maintained in its initial installation position under the action of an elastic force. That is, in an emergency, after the slider 5 is moved to rotate the turntable 4, the turntable 4 can be reset under the action of the elastic force. In this embodiment, the turntable 4 and the fixing base 1 are elastically connected via a first elastic member 6.

[0041] Exemplarily, as shown in Figure 3, the first elastic member 6 is a torsion spring, and a positioning rod 112 is provided on the side of the outer shell 11 facing the inner shell 12. The torsion spring is sleeved on the positioning rod 112, and one end of the torsion spring is connected to the outer shell 11, and the other end of the torsion spring is connected to the turntable 4. The torsion spring is configured to enable the turntable 4 to automatically reset to the initial installation position.

[0042] A torsion spring connecting rod 113 is provided on the side of the outer shell 11 facing the inner shell 12, and a first torsion spring connecting hole is provided on the torsion spring connecting rod 113. A second torsion spring connecting hole 43 is provided on the turntable 4. The torsion spring is sleeved on the positioning rod 112, and one end is inserted into the first torsion spring connecting hole, and the other end is inserted into the second torsion spring connecting hole 43.

[0043] In this embodiment, there are at least two positioning rods 112 and torsion spring connecting rods 113. For the convenience of explanation, two positioning rods 112 and two torsion spring connecting rods 113 are taken as an example. Two second torsion spring connecting holes 43 are provided on the turntable 4. The first torsion spring is sleeved on one positioning rod 112, and its two ends are respectively connected to the first torsion spring connecting hole and the second torsion spring connecting hole 43 of one torsion spring connecting rod 113. The second torsion spring is sleeved on another positioning rod 112, and its two ends are respectively connected to the first torsion spring connecting hole and the other second torsion spring connecting hole 43 of the other torsion spring connecting rod 113.

[0044] In order to lock the rotary knob 2 when it is in the off position to prevent electric shock accidents caused by accidental closing of the switch, as shown in Figures 4 and 5, a locking member 21 is provided on the rotary knob 2. The locking member 21 is elastically connected to the rotary knob 2. The locking member 21 is provided with a locking shaft 211, and the outer shell 11 is provided with a locking hole 114. When the rotary knob 2 is in the off position, the operator presses the locking member 21 and overcomes the elastic force to enable the locking shaft 211 to be inserted into the locking hole 114 to limit the rotation of the rotary knob 2.

[0045] In order to achieve that when the rotary knob 2 is in the open position, the cabinet door can be locked at the same time by pressing the locking member 21, referring to Figure 4 and Figure 9, a second extension plate 44 is provided on the turntable 4, and the locking member 21 overcomes the elastic force to allow the locking shaft 211 to be inserted into the locking hole 114 while abutting against the second extension plate 44, and as the locking shaft 211 continues to penetrate deeper, the turntable 4 can be rotated through the second extension plate 44, thereby achieving the misalignment of the through long hole 41 and the insertion long slot 31, and the rotating shaft cannot escape from the insertion long slot 31.

[0046] Optionally, a first inclined surface 2111 is provided on the side of the locking shaft 211 facing the second extension plate 44, and a second inclined surface 441 is provided on the side of the second extension plate 44 facing the locking shaft 211. When the locking shaft 211 moves toward the second extension plate 44, the first inclined surface 2111 and the second inclined surface 441 can abut against each other, so that the locking shaft 211 can make the turntable 4 rotate more conveniently through the second extension plate 44, and the structural design is more reasonable.

[0047] As shown in Figure 6, the rotary knob 2 includes a rotating body 22 and a baffle 23. The rotating body 22 is mounted on the outer shell 11. The baffle 23 is fixed to the upper end of the rotating body 22, facing away from the outer shell 11, and is positioned to limit the position of the locking member 21 when it is not pressed. The split rotary knob 2 makes it easier to install the locking member 21.

[0048] A second sliding groove 224 and a locking hole 223 are provided on both sides of the rotating body 22. An L-shaped slide 231 is provided at the lower end of the baffle 23 facing the rotating body 22. The vertical plate of the L-shaped slide 231 is provided with a locking protrusion 2311. The horizontal plate of the L-shaped slide 231 is slidably set in the second sliding groove 224, and the locking protrusion 2311 can be locked in the locking hole 223 to prevent the baffle 23 from accidentally detaching from the rotating body 22.

[0049] Exemplarily, the front end of the locking protrusion 2311 along the plug-in direction of the baffle 23 is set to a hemispherical shape to facilitate the smooth insertion of the locking protrusion 2311 into the locking hole 223, and the rear end of the locking protrusion 2311 along the plug-in direction of the baffle 23 is set to a semi-cylindrical shape to make it more difficult for the baffle 23 to disengage from the rotating body 22 in the reverse direction, thereby improving the connection firmness between the baffle 23 and the rotating body 22.

[0050] The rotating body 22 is provided with an artificial locking hole 221 . When the operator presses the locking member 21 to insert the locking shaft 211 into the locking hole 114 , the locking member 21 can be locked in the artificial locking hole 221 to prevent the locking member 21 from rebounding under the elastic force.

[0051] In order to facilitate the operator to lock in the manual lock hole 221, the locking piece 21 is also provided with an auxiliary protrusion, and the rotating body 22 is also provided with an auxiliary hole 222. When the operator presses the locking piece 21, the auxiliary protrusion can be limited in the auxiliary hole 222 to facilitate locking of the manual lock hole 221, and after the manual lock hole 221 is locked, it can limit the locking piece 21 from resetting.

[0052] Optionally, as shown in Figures 7 and 8, a snap-fit ​​groove 225 is provided on the side of the rotating body 22 facing the fixed base 1, and a snap-fit ​​boss 32 is provided on the side of the linkage member 3 facing the rotating body 22. The snap-fit ​​boss 32 can be snapped into the snap-fit ​​groove 225 to achieve a fixed connection between the linkage member 3 and the rotating knob 2. For example, a screw is further provided between the rotating body 22 and the snap-fit ​​boss 32 to further securely connect the linkage member 3 to the rotating body 22.

[0053] Optionally, the cross-sections of the engaging boss 32 and the engaging groove 225 are both set to be non-cylindrical to prevent slipping.

[0054] In order to limit the rotation angle of the rotary knob 2, that is, to limit the position of the rotary knob 2 in the closing position and the opening position, a limit rib 33 is provided on the outer circumferential surface of the linkage part 3, and two limit blocks 115 are provided in the accommodating cavity 111 and are spaced apart along its circumferential direction. When the rotary knob 2 drives the linkage part 3 to switch between the closing position and the opening position, the limit rib 33 can respectively abut against the two limit blocks 115 to ensure that the linkage part 3 can only rotate within the area limited by the two limit blocks 115.

[0055] In order to enable the rotary knob 2 to be quickly reset when it is rotated from the closed position to the open position, referring to Figure 7 and in combination with Figure 5, a first connecting post 226 is provided on the side of the rotating body 22 facing the outer shell 11, and a second connecting post 116 is provided on the side of the outer shell 11 facing the rotating body 22. A second elastic member is connected between the first connecting post 226 and the second connecting post 116, that is, a first end of the second elastic member is connected to the first connecting post 226, and a second end is connected to the second connecting post 116. The second elastic member provides a force for the rotary knob 2 to rotate from the closed position to the open position. This structure enables the operator to quickly reset the rotary knob 2 under the elastic force of the second elastic member when the circuit breaker is tripped. In addition, when the circuit breaker is tripped, the circuit breaker loses the force acting on the rotary knob 2, and the elastic force provides elastic force for the rotary knob 2 to open, so that the rotary knob 2 automatically resets after the circuit breaker is tripped. For example, when the rotary knob 2 is switched from the open position to the closed position, the elastic force of the second elastic member can cause the rotary knob 2 to rotate back to the minimum angular position of the closed position. It can be understood that when the rotary knob 2 is in the closed position, the circuit breaker is in the closed state. At this time, the circuit breaker provides resistance to the linkage member 3 and is able to overcome the elastic force of the second elastic member to keep the rotary knob 2 in the closed position.

[0056] Optionally, the second elastic member is a spring.

[0057] In order to improve the operator's experience when opening and closing the switch, referring to Figures 5 and 7, a cylindrical boss 227 is further provided on the side of the rotating body 22 facing the outer shell 11, and two flexible baffles 117 are further provided on the side of the outer shell 11 facing the rotating body 22. The two flexible baffles 117 are respectively arranged corresponding to the closing position and the opening position. When the rotary knob 2 switches between the closing position and the opening position, the cylindrical boss 227 can pass through the two flexible baffles 117, and when in the closing position, the cylindrical boss 227 is limited to one flexible baffle 117, and when in the opening position, the cylindrical boss 227 is limited to the other flexible baffle 117. When the operator rotates the rotary knob 2 to switch from the closed position to the open position, the cylindrical boss 227 can sequentially pass through the two flexible baffles 117 and be restrained on the flexible baffle 117 in the closed position by utilizing the elastic and plastic deformation capabilities of the flexible baffle 117. When the operator rotates the rotary knob 2 to switch from the open position to the closed position, the cylindrical boss 227 can sequentially pass through the two flexible baffles 117 in the reverse direction and be restrained on the flexible baffle 117 in the open position. In this structure, the operator can feel the boundary when the rotary knob 2 switches between the closed and open positions, improving the user experience.

[0058] It should be noted that when the circuit breaker is tripped, the circuit breaker drives the rotating shaft to rotate through the manual operating mechanism, and at the same time, the linkage part 3 drives the rotary knob 2 to rotate under the action of the rotating shaft, so that the cylindrical boss 227 passes through the flexible baffle 117 located at the closing position. At this time, the rotary knob 2 is driven by the elastic force of the second elastic part to continue to rotate toward the opening position and pass through the flexible baffle 117 located at the opening position, so that the rotary knob 2 automatically resets to the opening position.

[0059] In this embodiment, when the rotary knob 2 is in the closed position and after emergency unlocking, the cabinet door can be directly closed. That is, when closing the cabinet door, the rotating shaft exerts a tangential force on the rotary disk 4 by squeezing the edge of the through-long hole 41 of the rotary disk 4, causing the rotary disk 4 to rotate within the accommodating cavity 111, overcoming the force of the torsion spring. After the rotating shaft enters the insertion slot 31, the rotary disk 4 automatically returns to its original position under the force of the torsion spring, so that the insertion slot 31 and the through-long hole 41 are misaligned, and the rotating shaft cannot be pulled out, that is, the cabinet door is locked and cannot be opened. It is understandable that when the rotary knob 2 is not in the closed position, it is necessary to rotate the rotary knob 2 to the closed position before performing the above operation.

[0060] The present application provides a handle of a manual operating mechanism, including a fixed seat, a rotating knob, a linkage member and a turntable, wherein a accommodating cavity is provided in the fixed seat; the rotating knob is rotatably provided on the fixed seat; the linkage member and the turntable are rotatably provided in the accommodating cavity, and the first end of the linkage member is fixedly connected to the rotating knob, and the second end is provided with an insertion slot; the turntable is provided with a through long hole; when the rotating knob is in the opening position, the insertion slot is aligned with the through long hole, and the rotating shaft of the manual operating mechanism can pass through the through long hole to enter and exit the insertion slot, so that the cabinet door can be opened. When the rotating knob is rotated to the closing position, it can drive the linkage member to rotate at the same time until the insertion slot is misaligned with the through long hole, so that the rotating shaft cannot fall out, thereby achieving the locking of the cabinet door. However, in some special circumstances, when the cabinet door needs to be opened when the rotary knob is in the closed position, the long insertion slot and the long through hole can be aligned by rotating the dial while the linkage is fixed, thereby opening the cabinet door. In addition, when the cabinet door needs to be locked when the rotary knob is in the open position, the long insertion slot and the long through hole can be misaligned by rotating the dial while the linkage is fixed, thereby locking the cabinet door. The handle of this manual operating mechanism, by setting a rotary dial, not only realizes the normal opening and locking of the cabinet door, but also realizes the emergency unlocking function in special circumstances and the locking function when in the open position. It is rich in functions and highly practical.

Claims

1. The handle of the manual operating mechanism, including: A fixing seat (1), wherein a receiving cavity (111) is provided inside the fixing seat (1); A rotating knob (2) is rotatably arranged on the fixing seat (1), and the rotating knob (2) has a closing position and an opening position; A linkage member (3) is rotatably disposed in the accommodating cavity (111), and a first end of the linkage member (3) is fixedly connected to the rotating knob (2), and a second end is provided with an insertion slot (31); A rotating disk (4) is rotatably disposed in the accommodating cavity (111), and the rotating disk (4) is provided with a through long hole (41). When the rotating knob (2) is switched between the closing position and the opening position, it can drive the linkage member (3) to rotate, so that the insertion long slot (31) and the through long hole (41) are misaligned or aligned, so that the rotating shaft of the manual operating mechanism can be limited to the insertion long slot (31) or escape from the insertion long slot (31); When the rotary knob (2) is located at the closing position, the rotary disk (4) is rotated so that the insertion slot (31) is aligned with the through slot (41); when the rotary knob (2) is located at the opening position, the rotary disk (4) is rotated so that the insertion slot (31) is misaligned with the through slot (41).

2. The handle of the manual operating mechanism according to claim 1 further includes a sliding member (5), a side wall of the fixed seat (1) is provided with a connecting hole (13), a first end of the sliding member (5) is slidably arranged in the fixed seat (1) and connected to the turntable (4), a second end of the sliding member (5) is arranged corresponding to the connecting hole (13), and the second end of the sliding member (5) can be moved to drive the turntable (4) to rotate.

3. The handle of the manual operating mechanism according to claim 2, wherein, The outer peripheral surface of the rotating disk (4) is provided with a first extension plate (42), and one end of the sliding member (5) facing the accommodating cavity (111) is provided with an insertion groove (521), and the first extension plate (42) penetrates the inner wall of the accommodating cavity (111) and is inserted into the insertion groove (521), so that the sliding member (5) and the rotating disk (4) are linked.

4. The handle of the manual operating mechanism according to claim 3, wherein, The sliding member (5) comprises a push plate (51) and a connecting block (52) which are connected to each other. The side wall of the fixing seat (1) is provided with a first sliding groove. The push plate (51) is slidably arranged in the first sliding groove and corresponds to the connecting hole (13). The connecting block (52) is provided with the insertion groove (521). The connecting block (52) is plugged into and matched with the first extension plate (42) through the insertion groove (521) to realize linkage with the turntable (4).

5. The handle of the manually operated mechanism according to claim 1, wherein, A positioning rod (112) is arranged inside the fixing seat (1), and a first elastic member (6) is sleeved on the positioning rod (112); one end of the first elastic member (6) is connected to the fixing seat (1), and the other end of the first elastic member (6) is connected to the rotating disk (4); the first elastic member (6) is configured to enable the rotating disk (4) to automatically return to an initial installation position.

6. The handle of the manually operated mechanism according to claim 1, wherein, The through long hole (41) includes a first long hole (411) and a second long hole (412) that are cross-distributed. When the rotary knob (2) is in the off position, the first long hole (411) is aligned with the insertion long slot (31). When the rotary knob (2) is in the on position and the turntable (4) is rotated, the second long hole (412) is aligned with the insertion long slot (31).

7. The handle of the manually operated mechanism according to claim 1, wherein, A locking member (21) is provided on the rotary knob (2). The locking member (21) is elastically connected to the rotary knob (2). The locking member (21) is provided with a locking shaft (211). The fixed seat (1) is provided with a locking hole (114). When the rotary knob (2) is in the off position, the locking member (21) is pressed so that the locking shaft (211) is inserted into the locking hole (114).

8. The handle of the manual operating mechanism according to claim 7, wherein, A second extension plate (44) is provided on the turntable (4). The locking shaft (211) is inserted into the locking hole (114) and abuts against the second extension plate (44), causing the turntable (4) to rotate until the insertion long slot (31) is misaligned with the through long hole (41).

9. The handle of the manual operating mechanism according to claim 7, wherein, An artificial lock hole (221) and an auxiliary hole (222) are provided on the rotary knob (2). The locking member (21) is further provided with an auxiliary protrusion. When the locking member (21) is pressed, the auxiliary protrusion can be limited in the auxiliary hole (222). After the artificial lock hole (221) is locked, the locking member (21) can be prevented from resetting.

10. The handle of the manually operated mechanism according to claim 1, wherein, A clamping groove (225) is provided on the side of the rotary knob (2) facing the fixed seat (1). The linkage member (3) is provided with a clamping boss (32). The clamping boss (32) is clamped in the clamping groove (225).

11. The handle of the manually operated mechanism according to claim 1, wherein, The rotary knob (2) is provided with a first connecting column (226). The fixed seat (1) is provided with a second connecting column (116). A second elastic member is connected between the first connecting column (226) and the second connecting column (116). The second elastic member is configured to provide a force for the rotary knob (2) to rotate from the on position to the off position.

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