Switch cabinet drawer side lock swing-in mechanism

Abstract

The utility model discloses a switch cabinet drawer side lock rocking-in mechanism, which is used for a drawer to go in and out of the switch cabinet, the switch cabinet comprises a bottom support plate, the drawer is arranged on the bottom support plate, the side lock rocking-in mechanism comprises a rocking-in assembly, the rocking-in assembly comprises a threaded rod, a locking nut and a locking piece, and the locking piece is arranged on the threaded rod. The threaded rod is arranged in the drawer, and the locking nut is in threaded connection with the threaded rod. The drawer is matched with the bottom supporting plate, the shaking-in assembly is arranged on the basis of the action of the drawer relative to the bottom supporting plate, shaking-in driving of the threaded rod to the drawer is achieved through locking and limiting of the nut locking block on the bottom supporting plate to the locking nut on the drawer, labor is saved while threaded driving is labor-saving, and the drawer can be driven by the threaded rod. Controllability of the shaking speed and stability of the drawer is guaranteed, and a user can shake the drawer to the needed position more stably, accurately and rapidly.

Description

Technical Field

[0001] The utility model belongs to the technical field of low-voltage switch cabinets and relates to a side lock swing-in mechanism for a switch cabinet drawer. Background Art

[0002] The drawer device installed in the low-voltage switchgear is loaded with a large number of high-current components to form an integrated multifunctional working unit and is an important component in the switch cabinet.

[0003] The drawer structure in the existing switch cabinet has a large number of components and structural strength requirements. The drawers generally weigh tens of kilograms. They are large in size and heavy in weight. Therefore, it is generally difficult to swing the drawers in and out of the switch cabinet. It is difficult for users to swing the drawers to the desired position stably, accurately and quickly during operation. The drawers usually include multiple working positions in the switch cabinet to adapt to different working positions according to different usage requirements. However, the large-sized and heavy drawers put a large load pressure on the connection structure in the switch cabinet, making it difficult to set up a stable and reliable locking structure, making it inconvenient to lock the drawers in the desired position. During long-term use, problems such as deformation, tooth jumping, and thread disengagement and damage may occur, resulting in incorrect locking position. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a side lock swing-in mechanism for a switch cabinet drawer.

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

[0006] The drawer is mounted on the bottom support plate, and the side lock rocking mechanism includes a rocking assembly, and the rocking assembly includes a threaded rod, a locking nut and a locking piece. The threaded rod is arranged on the drawer, and the locking nut is threadedly connected to the threaded rod. The axial direction of the threaded rod is arranged along the movement direction of the drawer. A locking cylinder is provided on the locking nut, and the locking piece is arranged on the bottom support plate, and is used to abut and lock the locking cylinder in the movement direction of the drawer; the entry position of the drawer relative to the switch cabinet includes an isolation position, a test position and a connection position, and also includes three micro switches, and the three micro switches are arranged in sequence along the movement direction of the drawer. When the drawer is respectively in the isolation position, the test position and the connection position, the locking nut triggers one of the three micro switches.

[0007] Furthermore, the locking piece includes a nut locking block, which is provided with a U-shaped locking groove. The U-shaped locking groove is connected to one side of the nut locking block along the movement direction of the drawer to form an opening. Two sliders are symmetrically provided on the nut locking block with the U-shaped locking groove as the center. The opposite ends of the two sliders are provided with cylindrical surfaces. The sliders are slidably connected to the nut locking block, and the opening and closing directions of the two sliders are set in the middle of the U-shaped locking groove. A locking hole for accommodating the locking cylinder is formed between the slider and the U-shaped groove.

[0008] Furthermore, two limit bars are provided at the bottom of the drawer, and the two limit bars are respectively provided on both sides of the nut lock block, and are used to form abutment with the slider within the set moving distance of the drawer.

[0009] Furthermore, the locking member includes a locking flap, a locking bottom plate is fixedly provided on the bottom support plate, a top spring is provided on the locking bottom plate, both ends of the top spring are respectively connected to the locking flap and the locking bottom plate, a pressure block is provided at the bottom of the drawer, the pressure block is provided on the inner side of the locking cylinder along the movement direction of the drawer, during the movement of the drawer, the pressure block is against the locking flap at a set position, and a through hole is provided on the locking flap for the locking cylinder to pass through.

[0010] Furthermore, it also includes a positioning assembly, which includes a locking rod arranged on the drawer and a positioning plate arranged on the bottom support plate, and the positioning plate is provided with a plurality of grooves for accommodating the locking rod; the positioning assembly also includes an unlocking piece, which is connected to the locking rod, and the movement of the unlocking piece drives the locking rod to enter / escape from the groove.

[0011] Furthermore, a first fixed bracket is provided on the drawer, the unlocking piece is passed through the first fixed bracket, a sliding groove for the locking rod to pass through is provided on the unlocking piece, the first fixed bracket and the bottom of the drawer are both provided with limiting grooves, the two ends of the locking rod are respectively passed through the limiting grooves, and the sliding groove and the limiting groove form a set angle.

[0012] Furthermore, it also includes a first spring, the two ends of which are respectively connected to the unlocking piece and the first fixed bracket. The action of the unlocking piece includes an unlocking position and a locking position. The first spring provides an elastic force for the unlocking piece to move toward the locking position.

[0013] Furthermore, a self-locking switch is provided at the front end of the drawer, and an actuating end of the self-locking switch abuts against the unlocking piece.

[0014] Furthermore, it also includes a square rod bracket, a chain square rod is movably provided on the square rod bracket, a square rod chain plate is connected to the square rod bracket through a rotating shaft, an arc groove is provided on the square rod chain plate, one end of the chain square rod is provided with a sliding shaft for passing through the arc groove, the rotation of the square rod chain plate drives the lifting of the chain square rod, and the front end of the bottom support plate is provided with a flange for abutting against the lower end of the chain square rod.

[0015] Furthermore, it also includes a chain lock plate, the middle part of which is hinged to the drawer, one end of the chain lock plate is against the unlocking plate, and the other end is arranged at the front end of the threaded rod, and the movement of the unlocking plate drives the rotation of the chain lock plate.

[0016] In summary, the benefits of the present invention are:

[0017] The utility model adopts the cooperation between the drawer and the bottom support plate. Based on the movement of the drawer relative to the bottom support plate, a rocking-in assembly is provided. The threaded rod drives the drawer to be rocked in by locking the locking nut on the drawer through the nut locking block on the bottom support plate. While the threaded drive saves effort, it ensures the controllable rocking speed and stability of the drawer, allowing the user to rock the drawer to the desired position more stably, accurately and quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of the drawer and the bottom support plate of the present invention.

[0019] Figure 2 for Figure 1 Top view of the middle drawer.

[0020] Figure 3 It is a structural diagram of the side lock swing-in mechanism.

[0021] Figure 4 A top view of the positioning component and the swing-in component part.

[0022] Figure 5 for Figure 4 Front view of the .

[0023] Figure 6 for Figure 3 Schematic diagram of the structure from the bottom perspective.

[0024] Figure 7 It is a structural diagram of the nut lock block.

[0025] Figure 8 Schematic diagram of the structure of the locking nut.

[0026] Figure 9 It is a structural diagram of the positioning component and the swing-in component in the isolation position.

[0027] Figure 10 for Figure 9 Schematic diagram of the structure from the bottom perspective.

[0028] Figure 11 for Figure 10 Schematic diagram of the structure when switching to the experimental position.

[0029] Figure 12 for Figure 11 Structural diagram when switching to the connection position.

[0030] Figure 13 A schematic diagram showing the structure of components for telescopic position display.

[0031] Figure 14 Schematic diagram of the structure between the locking member of the present invention and the drawer and the bottom support plate in other embodiments.

[0032] Figure 15 for Figure 14 Schematic diagram of the enlarged structure of A in .

[0033] Figure 16 for Figure 14 Schematic diagram of the structure of the locking member.

[0034] Figure 17 for Figure 16 Schematic diagram of the front view structure.

[0035] Markings in the figure: 1. Drawer; 11. Self-locking switch; 2. Bottom support plate; 21. Positioning plate; 211. Groove; 22. Nut lock block; 221. U-shaped locking groove; 222. Slider; 23. Limiting bar; 241. Locking flap; 242. Locking bottom plate; 243. Top spring; 244. Through hole; 245. Guide ramp; 25. Pressing block; 3. Side lock swing-in mechanism; 31. Mechanism bottom plate; 32. First fixing bracket; 321. Release Locking plate; 322, locking rod; 323, sliding groove; 324, first spring; 325, first limiting groove; 326, unlocking slide; 33, second fixed bracket; 331, threaded rod; 332, locking nut; 333, locking cylinder; 34, interlocking square rod; 341, square rod bracket; 342, square rod interlocking plate; 343, arc groove; 35, interlocking locking plate; 36, telescopic position display assembly; 361, display square groove; 362, indicator bar. DETAILED DESCRIPTION

[0036] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features within these embodiments may be combined with one another, unless they conflict.

[0037] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. Therefore, the drawings only show components related to the present invention and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed arbitrarily, and the component layout type may also be more complicated.

[0038] All directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, horizontal, vertical...) are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0039] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of the present invention may actually be an approximately parallel relationship, and the perpendicular relationship may actually be an approximately perpendicular relationship.

[0040] A switch cabinet drawer side lock swing-in mechanism, arranged in a drawer 1 in the switch cabinet, Figure 1 The drawer 1 is arranged in the drawer slot on the switch cabinet, and a bottom support plate 2 and a slide rail are provided at the bottom of the drawer slot. The drawer 1 can slide and translate along the slide rail on the bottom support plate 2 to realize rocking in and out of the drawer slot. The drawer 1 has three specific position states relative to the drawer slot during the rocking in and out process, including a connection position, a test position and an isolation position, and the positional relationship of the connection position, the test position and the isolation position is arranged in sequence from the inside of the drawer slot to the outside. The three positions represent that the components in the drawer 1 form a high current connection with the switch cabinet, the components in the drawer 1 form a low current connection with the switch cabinet, and the components in the drawer 1 are disconnected from the switch cabinet.

[0041] The side lock swing-in mechanism 3 is used to execute the movement and locking of the drawer 1 between the above three position states. Figure 2 The side lock swing-in mechanism 3 includes a mechanism bottom plate 31 arranged at the bottom of the drawer 1, and a positioning component and a swing-in component arranged on the mechanism bottom plate 31.

[0042] Reference Figure 3 and Figure 4When the cam 32 is in the unlocked position, the locking cam 321 is in the unlocked position and the locking cam 321 is in the unlocked position, and the cam 321 is in the unlocked position and the locking cam 321 is in the unlocked position.

[0043] The unlocking piece 321 is provided with a sliding groove 323 running vertically, and the locking rod 322 is inserted into the sliding groove 323. The locking rod 322 is a columnar structure, and the axial direction of the locking rod 322 is set vertically and perpendicular to the first straight line direction. The locking rod 322 can move relatively in the sliding groove 323. A first limiting groove 325 is provided on the top of the first fixing bracket 32, and a second limiting groove is provided on the bottom plate 31. The first limiting groove 325 and the second limiting groove coincide with each other in the axial projection of the locking rod 322. The upper and lower ends of the locking rod 322 pass through the first limiting groove 325 and the second limiting groove respectively. The locking rod 322 is configured to move relative to the first limit groove 325 and the second limit groove, and the setting direction of the slide groove 323 is at a set angle to the setting direction of the first limit groove 325 or the second limit groove. Then, when the unlocking piece 321 is translated along the first straight line direction, the force exerted by the inner wall of the slide groove 323 on the locking rod 322 can drive the locking rod 322 to translate along the setting direction of the first limit groove 325 or the second limit groove. In this embodiment, in the unlocked position and the locked position, the locking rod 322 is respectively located at both ends of the setting direction of the first limit groove 325 (or the second limit groove).

[0044] Reference Figure 5 and Figure 6When the drawer 1 is unlocked, the lock rod 322 is locked and the lock rod 322 is in the unlock position, and the lock rod 322 is locked in the unlock position.

[0045] Furthermore, an unlocking slide 326 is provided on the unlocking piece 321, and a micro switch is provided on one side of the first fixed bracket 32. When the unlocking piece 321 drives the unlocking slide 326 to move, the unlocking slide 326 can trigger the micro switch. An indicator light electrically connected to the micro switch can be provided on the drawer 1 to indicate that it is currently in the unlocked position or the locked position.

[0046] Reference Figure 2 、 Figure 4 、 Figure 7 and Figure 8 The swing-in assembly includes a second fixed bracket 33, a threaded rod 331, a locking nut 332, and a locking piece. In some embodiments, the locking piece is a nut lock block 22. The second fixed bracket 33 is fixedly set on the mechanism base plate 31. The threaded rod 331 is set on the threaded rod 331 fixing frame through a bearing connection or the like, so that the threaded rod 331 can rotate along its own axis. One axial end of the threaded rod 331 is set as a clamping end that can be connected to the rocker. The rocker can enter from the outside of the drawer 1 and clamp with the threaded rod 331, thereby driving the rotation of the threaded rod 331 by shaking the rocker. The locking nut 332 is set on the mechanism base plate 31. The locking nut 332 is threadedly connected to the threaded rod 331. When the threaded rod 331 rotates, the locking nut 332 moves axially relative to the threaded rod 331.

[0047] When the nut 22 is unlocked, the lock cylinder 333 is locked and the lock cylinder 333 is locked.

[0048] The ends of the two sliders 222 that are close to each other are both set as cylindrical surfaces. When the locking cylinder 333 moves from the outside to the inside or from the inside to the outside along the U-shaped locking groove 221, the outer circumferential surface of the locking cylinder 333 abuts against the cylindrical surfaces of the two sliders 222, and can push the two sliders 222 to slide open, so that the locking cylinder 333 can pass smoothly between the two sliders 222.

[0049] When the drawer 1 is pulled out to a position outward from the isolation position in the drawer slot, the locking cylinder 333 is located on the outside of the U-shaped locking slot 221 relative to the slider 222, and the locking cylinder 333 is not limited. At this time, when the positioning assembly is in the unlocked position, the drawer 1 can be freely pushed out from the isolation position.

[0050] When the drawer 1 is pushed into the drawer slot, the locking cylinder 333 enters the U-shaped locking groove 221 through the two sliders 222 and rests against the inner wall of the U-shaped locking groove 221. The inward movement of the locking cylinder 333 along the pushing direction of the drawer 1 is locked by the U-shaped locking groove 221. At this time, the rocker is engaged with the threaded rod 331, and the rocker is shaken to rotate the threaded rod 331. Since the locking cylinder 333 is locked, the locking nut 332 cannot be pushed inward. Therefore, the connection relationship between the threaded rod 331 and the locking nut 332 causes the threaded rod 331 to be pushed inward relative to the locking nut 332, thereby driving the drawer 1 to move into the drawer slot.

[0051] Furthermore, a self-locking switch 11 is provided at the front end of the drawer 1, and the inner side of the self-locking switch 11 abuts against the front end of the unlocking piece 321. When the self-locking switch 11 is pressed, the self-locking switch 11 pushes the unlocking piece 321 inward to enter the unlocking position, and abuts the unlocking piece 321 to prevent the unlocking piece 321 from returning to the locked position. At this time, when the above-mentioned locking nut 332 is locked, the drawer 1 can be shaken in and out arbitrarily within the range of the isolation position, test position, and connection position.

[0052] When the drawer 1 is rocked in and out within the range of the isolation position, the test position, and the connection position, the self-locking switch 11 is pressed again to release the unlocking piece 321, eliminating the reset lock of the unlocking piece 321. When the drawer 1 is moved to any one of the isolation position, the test position, and the connection position, the corresponding groove 211 on the positioning plate 21 creates a gap in the moving stroke of the locking rod 322, so that the unlocking piece 321 can be pushed by the first spring 324 to return to the locked position, and the locking rod 322 enters the groove 211, locking the drawer 1 and the drawer slot, thereby accurately positioning the drawer 1 to any desired position among the isolation position, the test position, and the connection position. Figure 10 、 Figure 11 and Figure 12 .

[0053] When the drawer 1 is moved from the connection position to the test position and from the test position to the isolation position, due to the change in the direction of movement, the locking cylinder 333 needs to be locked by the two sliders 222 rather than the inner wall of the U-shaped locking groove 221. In order to prevent the two sliders 222 from opening and causing the locking cylinder 333 to detach during this process, two limit bars 23 are fixedly provided at the bottom of the mechanism base plate 31. The two limit bars 23 are symmetrically distributed on both sides of the nut lock block 22. When the drawer 1 travels from the connection position to the test position and from the test position to the isolation position, the two sliders 222 will be locked by the limit bars 23 on both sides in the relative opening trend, so that the two sliders 222 cannot be opened relative to each other and the locking cylinder 333 can pass through, thereby maintaining the abutment and positioning effect of the locking cylinder 333.

[0054] The end of the limit bar 23 is provided with an inclined surface. When the drawer 1 continues to be rocked outward from the isolation position, the limit bar 23 gradually moves away from the two sliders 222 as the drawer 1 moves. Combined with the setting of the inclined surface, the two sliders 222 are gradually freed from the abutment limit of the limit bar 23 during this process, so that the two sliders 222 can further open relative to each other, allowing the locking cylinder 333 to pass through and disengage outward to release the limit.

[0055] In other embodiments, referring to Figure 14 、 15, 16 and 17, the locking member includes a locking bottom plate 242 and a locking flap 241, a top spring 243 is provided between the locking flap 241 and the locking bottom plate 242, the top spring 243 provides an upward elastic force to the locking flap 241, so that the locking flap 241 can float up and down relative to the locking bottom plate 242, wherein the locking bottom plate 242 is fixedly connected to the bottom support plate, and the locking flap 241 is respectively provided with guide ramps 245 on both sides along the drawer movement direction. Correspondingly, a pressure block 25 is provided at the bottom of the drawer, and the pressure block 25 protrudes from the bottom of the drawer to a set thickness. The pressing block 25 has a straight bar structure and forms a set length along the movement direction of the drawer. The two ends of the pressing block 25 in the length direction respectively form an oblique angle for contacting and abutting with the guide ramp 245. When the drawer is rocked in and pulled out, it can synchronously drive the pressing block 25 to move back and forth. The pressing block 25 will contact the locking flap 241 during movement. Through the transition between the oblique angle and the guide ramp 245, the locking flap 241 is smoothly pressed down. When the pressing block 25 disengages from the locking flap 241 during movement, the force of the top spring 243 immediately drives the locking flap 241 to rebound.

[0056] A through hole 244 is provided in the middle of the locking flap 241. The inner diameter of the through hole 244 is larger than the diameter of the locking cylinder. When the drawer is in the outward position of the isolation position, the pressing block 25 and the locking cylinder are both located on the outside of the locking flap 241. When the drawer is swung in toward the isolation position, the pressing block 25 first contacts the locking flap 241 and presses the locking flap 241 downward through the bevel and the guide ramp 245 during the swinging process. The locking flap 241 can be pressed down to the lowest position by the pressing block 25. When the drawer is in the state of being pulled out, the top of the locking flap 241 is lower than the set height than the bottom of the locking cylinder; when the drawer continues to be rocked in, when the pressure block 25 is about to separate from the locking flap 241, the locking flap 241 is gradually lifted up along with the top spring 243 under the action of the bevel on the other side and the guide ramp 245. At this time, the locking cylinder gradually moves to the top of the through hole 244 and gradually penetrates into the through hole 244 at the same time. Similarly, when the drawer is pulled out in the opposite direction, the locking cylinder is simultaneously pulled out of the through hole 244.

[0057] When the locking cylinder is located in the through hole 244, the locking nut is driven to move by rotating the threaded rod, so that the locking cylinder can be abutted against the side wall of the through hole 244, forming a restriction on the locking cylinder, thereby realizing the rotation of the threaded rod to drive the drawer to be rocked in and out. It should be noted that before the operation of inserting the locking cylinder into the through hole 244 is performed, the position of the locking cylinder needs to be located first. The specific position is: the end of the locking cylinder closest to the pressure block 25 within the movable linear range relative to the drawer.

[0058] When the drawer 1 moves outward in the isolation position, in order to avoid the safety risk caused by the drawer 1 being accidentally over-pulled out, a square rod bracket 341 and a chain square rod 34 are also provided. The chain square rod 34 is set on the square rod bracket 341 and passes downward through the bottom plate 31 of the mechanism. The chain square rod 34 can move up and down vertically so that its lower end can contact the bottom support plate 2 downward. The front end of the bottom support plate 2 is provided with a raised portion such as a flange or a step. When the chain square rod 34 is in the downward position, the chain square rod 34 will be pressed forward against the flange or step during the outward pulling process of the drawer 1, so that the drawer 1 cannot be pulled out further, thereby ensuring safety.

[0059] A square bar locking plate 342 is provided on the square bar bracket 341, and the square bar locking plate 342 is connected to the square bar bracket 341 through a rotating shaft, so that the square bar locking plate 342 can rotate relative to the square bar bracket 341 along the rotating shaft as the rotation center. An arc groove 343 is provided on the square bar locking plate 342, and the center of the arc groove 343 is offset by a set distance relative to the center of the rotating shaft. A sliding shaft is provided on the chained square bar 34, and the sliding shaft is passed through the arc groove 343. Then, under the rotation action of the square bar locking plate 342, the relative cooperation relationship between the arc groove 343 and the sliding shaft can drive the lifting action of the chained square bar 34. By fixing the rotation angle of the square bar locking plate 342, the height position of the chained square bar 34 can be set.

[0060] In order to enable the user to more clearly know the current position of the drawer 1, a telescopic position display component 36 is also provided at the front end of the mechanism bottom plate 31. Figure 13 , an indicator bar 362 is inserted in the telescopic position display component 36, and the indicator bar 362 can be extended and retracted relative to the telescopic position display component 36 along the length direction. Three marks representing the isolation position, the test position, and the connection position are arranged in sequence on the indicator bar 362 along the length direction. A display square slot 361 is provided on the telescopic position display component 36. During the relative extension and retraction of the indicator bar 362, the three marks can all be moved to a position facing the display square slot 361. Three micro switches are arranged on the mechanism bottom plate 31 in sequence. When the drawer 1 moves to the isolation position, the test position, and the connection position respectively, the relative movement of the locking nut 332 will trigger the three micro switches respectively, thereby causing the telescopic position display component 36 to drive the indicator bar 362 to perform corresponding extension and retraction, so as to display the corresponding marks in the display square slot 361 for the user to view.

[0061] When the lock is unlocked, the unlocking piece 321 releases the locking piece 35, and the locking piece 35 is self-resetting, so that the end thereof falls back to the insertion hole, blocking the insertion hole to prevent the insertion of the rocker, so that the user must operate the unlocking operation before rocking the drawer 1 in and out, thereby enhancing the safety of the operation.

[0062] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

Claims

1. A switch cabinet drawer side lock swing-in mechanism, used for the drawer (1) to enter and exit the switch cabinet, characterized in that: The switch cabinet comprises a bottom support plate (2), the drawer (1) is arranged on the bottom support plate (2), the side lock rocking mechanism comprises a rocking assembly, the rocking assembly comprises a threaded rod (331), a locking nut (332) and a locking piece, the threaded rod (331) is arranged on the drawer (1), the locking nut (332) is threadedly connected to the threaded rod (331), the axial direction of the threaded rod (331) is arranged along the movement direction of the drawer (1), and a locking cylinder (332) is provided on the locking nut (332). 33), the locking member is arranged on the bottom support plate (2), and is used to abut and lock the locking cylinder (333) in the movement direction of the drawer (1); the drawer (1) includes an isolation position, a test position and a connection position relative to the entry position in the switch cabinet, and also includes three micro switches, the three micro switches are arranged in sequence along the movement direction of the drawer (1), and when the drawer (1) is respectively located in the isolation position, the test position and the connection position, the locking nut (332) triggers one of the three micro switches.

2. A switch cabinet drawer side lock swing-in mechanism according to claim 1, characterized in that: The locking member comprises a nut locking block (22), a U-shaped locking groove (221) being provided on the nut locking block (22), the U-shaped locking groove (221) being connected to one side of the nut locking block (22) along the movement direction of the drawer (1) to form an opening, two sliders (222) being symmetrically provided on the nut locking block (22) with the U-shaped locking groove (221) as the center, the opposite ends of the two sliders (222) being provided with cylindrical surfaces, the sliders (222) being slidably connected to the nut locking block (22), the opening and closing directions of the two sliders (222) being provided in the middle of the U-shaped locking groove (221), and a locking hole for accommodating the locking cylinder (333) being formed between the slider (222) and the U-shaped locking groove (221).

3. A switch cabinet drawer side lock swing-in mechanism according to claim 2, characterized in that: The bottom of the drawer (1) is further provided with two limit bars (23), which are respectively provided on both sides of the nut lock block (22) and are used to form abutment with the slider (222) within a set moving distance of the drawer (1).

4. A switch cabinet drawer side lock swing-in mechanism according to claim 1, characterized in that: The locking member includes a locking flap (241), a locking bottom plate (242) is fixedly provided on the bottom support plate (2), a top spring (243) is provided on the locking bottom plate (242), and two ends of the top spring (243) are respectively connected to the locking flap (241) and the locking bottom plate (242), a pressing block (25) is provided at the bottom of the drawer (1), and the pressing block (25) is provided on the inner side of the locking cylinder (333) along the movement direction of the drawer (1), and when the drawer (1) moves, the pressing block (25) abuts against the locking flap (241) at a set position, and a through hole (244) for the locking cylinder (333) to pass through is provided on the locking flap (241).

5. The switch cabinet drawer side lock swing-in mechanism according to claim 1, characterized in that: The invention also includes a positioning assembly, wherein the positioning assembly includes a locking rod (322) arranged on the drawer (1) and a positioning plate (21) arranged on the bottom support plate (2), wherein the positioning plate (21) is provided with a plurality of grooves (211) for accommodating the locking rod (322); the positioning assembly also includes an unlocking piece (321), wherein the unlocking piece (321) is connected to the locking rod (322), and the movement of the unlocking piece (321) drives the locking rod (322) to enter / escape from the groove (211).

6. A switch cabinet drawer side lock swing-in mechanism according to claim 5, characterized in that: The drawer (1) is provided with a first fixed bracket (32), the unlocking piece (321) is passed through the first fixed bracket (32), the unlocking piece (321) is provided with a sliding groove (323) for the locking rod (322) to pass through, the first fixed bracket (32) and the bottom of the drawer (1) are both provided with limiting grooves, the two ends of the locking rod (322) are respectively passed through the limiting grooves, and the sliding groove (323) forms a set angle with the limiting groove.

7. A switch cabinet drawer side lock swing-in mechanism according to claim 6, characterized in that: The invention also includes a first spring (324), the two ends of which are respectively connected to the unlocking piece (321) and the first fixing bracket (32), the movement of the unlocking piece (321) includes an unlocking position and a locking position, and the first spring (324) provides an elastic force for the unlocking piece (321) to move toward the locking position.

8. A switch cabinet drawer side lock swing-in mechanism according to claim 7, characterized in that: A self-locking switch (11) is provided at the front end of the drawer (1), and the action end of the self-locking switch (11) abuts against the unlocking piece (321).

9. The switch cabinet drawer side lock swing-in mechanism according to claim 5, characterized in that: The invention also includes a square rod bracket (341), wherein a chain square rod (34) is movably provided on the square rod bracket (341), a square rod chain plate (342) is connected to the square rod bracket (341) via a rotating shaft, an arc groove (343) is provided on the square rod chain plate (342), one end of the chain square rod (34) is provided with a sliding shaft for passing through the arc groove (343), and the rotation of the square rod chain plate (342) drives the chain square rod (34) to rise and fall, and the front end of the bottom support plate (2) is provided with a flange for abutting against the lower end of the chain square rod (34).

10. A switch cabinet drawer side lock swing-in mechanism according to claim 9, characterized in that: The drawer (1) further comprises a locking plate (35), wherein the middle portion of the locking plate (35) is hinged to the drawer (1), one end of the locking plate (35) abuts against the unlocking plate (321), and the other end is arranged at the front end of the threaded rod (331), and the movement of the unlocking plate (321) drives the rotation of the locking plate (35).

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