Tool box with single lock mechanism

Abstract

The invention relates to the technical field of toolbox cabinets, in particular to a toolbox with a single-lock mechanism, which comprises a box body and a plurality of drawers slidably mounted in the box body, a separation blade is fixedly mounted on each drawer, and the box body is provided with the single-lock mechanism for triggering the other drawers to lock when one drawer is opened. The single-lock mechanism comprises a plurality of trigger assemblies and a single-lock locking assembly, the trigger assemblies are in one-to-one correspondence with the positions of the drawers, the single-lock locking assembly comprises a movable plate and a plurality of movable pieces, the movable plate is movably mounted on the box body in a lifting manner, the movable pieces are fixedly mounted on the movable plate, and the movable pieces are in one-to-one correspondence with the blocking pieces. And each trigger assembly comprises a trigger inclined block for triggering the movable sheet to move upwards. Through the arrangement of the single lock mechanism and the main lock mechanism, it is guaranteed that when a single drawer is opened, other drawers are locked, all the drawers can be opened or locked in a unified mode, and the use convenience and safety of the tool box are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of tool boxes, in particular to a tool box with a single locking mechanism. BACKGROUND

[0002] As a common storage tool, tool boxes are widely used in various scenes such as families, industries and maintenance, and the tool boxes usually have multiple drawers, the drawers are stretched and slid through guide rails, each drawer can independently store different types of articles, and the needs of classified storage of different articles can be met.

[0003] In the actual use process of the traditional tool box, there are safety and management risks, when multiple drawers are opened at the same time, on the one hand, the center of gravity in the box body is offset, which is easy to cause the tool box to tip over, and even cause the tools to scatter and even personal injury; on the other hand, the opening of multiple drawers at the same time may cause the articles to be taken and placed by mistake, which affects the accuracy and convenience of subsequent use, and limiting the opening of only one drawer at the same time can guarantee the safety of operation and avoid the loss of efficiency caused by the confusion of articles.

[0004] At present, part of the tool boxes realize the locking of a single drawer through independent locks, but in use, different lock bodies need to be frequently operated, the use process is complicated, and the manufacturing cost and maintenance difficulty are increased.

[0005] Therefore, a tool box with a single locking mechanism is needed to solve the technical problems of the traditional tool box that the tool box is easy to tip over when multiple drawers are opened at the same time, the articles are easy to be taken by mistake, and the operation of the existing independent lock is complicated. SUMMARY

[0006] In order to trigger the locking of the remaining drawers when any drawer is opened, improve the safety and convenience of the tool box, the application provides a tool box with a single locking mechanism.

[0007] The tool box with a single locking mechanism provided by the application adopts the following technical scheme: The utility box with single lock mechanism comprises a box body, a plurality of drawers slidingly installed in the box body, and a baffle fixedly installed on each drawer; the box body is provided with a single lock mechanism for triggering the lock of the remaining drawers when one drawer is opened; the single lock mechanism comprises a trigger assembly and a single lock locking assembly; the trigger assembly comprises a plurality of trigger assemblies corresponding to the positions of the drawers; the single lock locking assembly comprises a movable plate movably installed on the box body and a movable piece fixedly installed on the movable plate; the movable piece is provided with a plurality of movable pieces corresponding to the baffles; each trigger assembly comprises a trigger inclined block for moving the movable piece upward; the number of the trigger inclined blocks corresponds to the number of the movable pieces; when one drawer is opened, the corresponding trigger inclined block is horizontally displaced, the horizontal displacement of the trigger inclined block drives the corresponding movable piece to move upward so that the remaining movable pieces are opposite to the corresponding baffles, and the movable pieces and the baffles are opposite to block the drawers from sliding out.

[0008] According to the above technical scheme, when one drawer is opened, the corresponding trigger inclined block is horizontally displaced, and the horizontal displacement of the trigger inclined block drives the corresponding movable piece to move upward; the movable piece is fixedly installed on the movable plate, and the upward movement of the movable piece drives the upward movement of the movable plate as a whole, thereby realizing the upward movement of the remaining movable pieces; the upward movement of the remaining movable pieces is opposite to the baffles of the remaining drawers; when the remaining drawers are opened, the baffles are opposite to the movable pieces, thereby limiting the opening of the remaining drawers; compared with the prior art, the single lock mechanism can automatically lock the remaining drawers when one drawer is opened, thereby avoiding the opening of multiple drawers at the same time; the risk of the utility box toppling due to the shift of the center of gravity is avoided, the situation of mistaken taking and placing of articles is prevented, and the use safety and convenience of the utility box are significantly improved.

[0009] Optionally, the trigger assembly further comprises a fixed block, a control shaft for guiding the horizontal displacement of the trigger inclined block, and a single lock elastic piece fixedly connected between the fixed block and the trigger inclined block; the fixed block is fixedly installed on the box body; the trigger inclined block is slidingly matched with the fixed block; the control shaft is slidingly installed on the fixed block; the fixed block is provided with a transverse slot slidingly matched with the control shaft; when one drawer is opened, the control shaft is horizontally displaced along the transverse slot; the trigger inclined block is sleeved on one end of the control shaft; the control shaft abuts against the trigger inclined block to horizontally move, and the single lock elastic piece is in a stretched state.

[0010] According to the above technical scheme, the horizontal displacement of the control shaft along the transverse slot drives the horizontal movement of the trigger inclined block; the single lock elastic piece is fixedly installed between the fixed block and the trigger inclined block; the horizontal movement of the trigger inclined block stretches the single lock elastic piece; the horizontal movement of the trigger inclined block drives the movable piece to move upward, thereby ensuring the stable operation of the single lock mechanism and accurately controlling the locking of the remaining drawers.

[0011] Optionally, the fixed block is further provided with a vertical slot for positioning the horizontal position of the control shaft, the vertical slot and the tail of the transverse slot are in communication with each other, the trigger inclined block is provided with a matching slot for matching the control shaft into the vertical slot, each drawer is fixedly installed with an inner guide rail which is in sliding cooperation with the box, the inner guide rail is provided with a guide transverse slot for the control shaft to slide on the transverse slot and a guide inclined slot for the control shaft to slide into the vertical slot, the guide transverse slot and the tail of the guide inclined slot are in communication with each other, the guide transverse slot and the guide inclined slot are in sliding cooperation with one end of the control seat, and the slot opening of the guide inclined slot is provided with an opening for one end of the control shaft to be separated from the inner guide rail.

[0012] By adopting the above technical scheme, when the drawer moves, the guide transverse slot of the inner guide rail and the control shaft are in sliding cooperation, the guide control shaft slides in the transverse slot, the guide control shaft enters the vertical slot through the sliding cooperation of the guide inclined slot and the control shaft, the control shaft and the side wall of the vertical slot are clamped to each other under the stretching of the single lock elastic piece, the control shaft is separated from the inner guide rail through the opening at the slot opening of the guide inclined slot, the opening enables one end of the control shaft to be separated from the inner guide rail, the trigger inclined block stops moving, the movable piece corresponding to the trigger inclined block moves upward and is kept at the original height, and then it is ensured that the remaining drawers are effectively locked.

[0013] Optionally, the box is further provided with a single lock unlocking assembly for opening all the drawers, the single lock unlocking assembly comprises a single lock bolt and a single lock cylinder for driving the single lock bolt to rotate, the single lock bolt is fixedly installed on the movable plate, the single lock bolt drives the movable plate to move up and down, and the movable plate moves upward to make all the movable pieces and all the blocking pieces staggered with each other.

[0014] By adopting the above technical scheme, the single lock cylinder drives the single lock bolt to rotate, the single lock bolt drives the movable plate to move upward, all the movable pieces and all the blocking pieces are staggered with each other, and thus the locking of all the drawers is released, all the drawers can be opened at one time, and the use convenience of the tool box is significantly improved.

[0015] Optionally, one side of each drawer is provided with an elastic locking assembly, the box is further provided with a total lock mechanism for opening or locking all the drawers, the total lock mechanism comprises a locking plate which is in abutment with each elastic locking assembly and a total lock unlocking assembly which drives the locking plate to move downward to separate from the abutment with the elastic locking assembly, and the locking plate is movably installed on the box.

[0016] By adopting the above technical scheme, the locking plate of the total lock mechanism is in abutment with the elastic locking assembly of each drawer, the locking or unlocking of the drawer is realized through the lifting action of the locking plate, the locking plate is in abutment with the elastic locking assembly to lock the drawer, when all the drawers need to be opened, the total lock unlocking assembly drives the locking plate to move downward to separate from the abutment with the elastic locking assembly, and thus the simultaneous unlocking of all the drawers is realized.

[0017] Optionally, the elastic locking assembly comprises a lock seat, a lock block, and a total lock elastic member for downward movement of the lock block, the lock seat is fixedly installed on the drawer, the lock block is slidingly installed on the lock seat, the locking plate is provided with clamping grooves for the lock block to pass through the locking plate, the clamping grooves are provided in plurality and correspond to the lock block one by one, and the total lock elastic member is fixedly installed between the lock seat and the lock block.

[0018] By adopting the above technical scheme, after the lock block passes through the clamping groove, the lock block moves downward under the action of the total lock elastic member and is opposite to the end face of the locking plate, the drawer is hindered from being opened outward, and the drawer is locked.

[0019] Optionally, the bottom end of the lock block is provided with a guide inclined surface, and the guide inclined surface slidingly abuts against the inner side wall of the clamping groove.

[0020] By adopting the above technical scheme, during the closing of the drawer, the guide inclined surface at the bottom end of the lock block slidingly abuts against the inner side wall of the clamping groove, so that the lock block can enter the clamping groove more smoothly, the jamming phenomenon is reduced, and the drawer is conveniently closed smoothly.

[0021] Optionally, the total lock unlocking assembly comprises a total lock bolt and a total lock lock cylinder for driving the total lock bolt to rotate, the total lock bolt is fixedly installed on the locking plate, the total lock bolt rotates to drive the locking plate to move downward, and the locking plate moves downward to make the limiting surface of the lock block opposite to the clamping groove.

[0022] By adopting the above technical scheme, the total lock lock cylinder drives the total lock bolt to rotate, the total lock bolt rotates to drive the locking plate to move downward, the limiting surface of the lock block is opposite to the clamping groove, the lock block can pass through the clamping groove to be separated from the locking plate when the drawer is opened outward, all the drawers are unlocked, and the use convenience and safety of the tool box are further improved.

[0023] In summary, the present application has at least one of the following beneficial technical effects: 1. The single-lock mechanism can automatically lock the remaining drawers when one drawer is opened, avoiding the simultaneous opening of multiple drawers to cause the tool box to be unstable in center of gravity and to be overturned, and improving the use safety; 2. The single-lock mechanism and the total-lock mechanism are provided, which not only ensures that the remaining drawers are locked when a single drawer is opened, but also can uniformly open or lock all the drawers, improving the use convenience and safety of the tool box; 3. When the drawer moves, the guide transverse slot of the inner guide rail guides the control shaft to slide in the transverse slot, the guide inclined slot guides the control shaft to enter the vertical slot, the opening of the guide inclined slot slot mouth makes the control seat disengage from the inner guide rail, and under the stretching action of the single lock elastic piece, the control shaft is clamped with the side wall of the vertical slot to ensure the stability of the horizontal position of the trigger inclined block, to ensure that the remaining drawers are effectively locked, through the sliding fit of the inner guide rail and the control shaft, the complex locking and unlocking functions are realized, while the structure of the tool box is compact, and no extra space is occupied. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the embodiment of the application, which is used to show the overall structure of the tool box. Figure 2 It is a partial structural schematic diagram of the embodiment of the application Figure One , which is used to show the setting position of the single lock mechanism and the total lock mechanism. Figure 3 It is Figure 2 an enlarged schematic diagram of part A, which is used to show the setting position of the single lock locking assembly and the single lock unlocking assembly. Figure 4 It is a partial structural schematic diagram of the embodiment of the application Figure Two , which is used to show the specific structure of the trigger assembly. Figure 5 It is a partial structural schematic diagram of the embodiment of the application Figure Three , which is used to show the specific structure of the single lock unlocking assembly, the single lock locking assembly and the total lock unlocking assembly. Figure 6 It is a partial structural schematic diagram of the embodiment of the application Figure Four , which is used to show the setting position of the total lock unlocking assembly and the elastic locking assembly. Figure 7 It is a structural schematic diagram of the elastic locking assembly in the embodiment of the application, which is used to show the setting position of the through hole and the accommodating cavity. Figure 8 It is an exploded schematic diagram of the elastic locking assembly in the embodiment of the application, which is used to show the setting position of the limiting surface and the guide inclined surface.

[0025] Fig. 1, the box body; 111, the drawer; 112, the outer guide rail; 113, the inner guide rail; 114, the guide transverse groove; 115, the guide inclined groove; 116, the opening; 117, the total lock guide rail; 118, the roller; 121, the baffle; 122, the fixed end; 123, the limiting end; 131, the single lock guide rail; 2, the single lock mechanism; 211, the single lock locking assembly; 212, the movable plate; 213, the U-shaped slot; 214, the movable piece; 215, the downwardly folded portion; 221, the trigger assembly; 222, the trigger inclined block; 2221, the matching groove; 223, the fixed block; 2231, the transverse groove; 2232, the vertical groove; 224, the control shaft; 225, the single lock elastic member; 3, the single lock unlocking assembly; 311, the single lock lock cylinder; 321, the single lock bolt; 322, the single lock movable port; 4, the elastic locking assembly; 411, the lock seat; 412, the accommodating cavity; 413, the through hole; 421, the lock block; 422, the limiting surface; 423, the guide inclined surface; 431, the total lock elastic member; 5, the total lock mechanism; 511, the locking plate; 512, the clamping groove; 521, the total lock unlocking assembly; 522, the total lock lock cylinder; 523, the total lock bolt; 524, the total lock movable port. DETAILED DESCRIPTION

[0026] The following will be described in detail in combination with the accompanying drawings. Figures 1-8 The present application is further described in detail.

[0027] Embodiment: A tool box with a single lock mechanism, referring to Figure 2 and Figure 3 , comprising a box body 1, a plurality of drawers 111 are slidingly installed in the box body 1, the drawers 111 are provided with different depths, and can accommodate articles as needed, and each drawer 111 is fixedly installed with a baffle 121 at the side end, the baffle 121 is in the shape of a Z letter, and the two ends of the baffle 121 are respectively outwardly folded to form a fixed end 122 and a limiting end 123, the folding directions of the fixed end 122 and the limiting end 123 are opposite, the fixed end 122 is fixedly connected with the drawer 111, and the limiting end 123 extends and is provided towards the side away from the drawer 111, and a single lock mechanism 2 is installed on the box body 1, and in combination with Figure 4 , the single lock mechanism 2 comprises a single lock locking assembly 211 and a trigger assembly 221, the single lock locking assembly 211 comprises a movable plate 212 and a movable piece 214, the movable plate 212 is movably installed on the box body 1 and is lifted and lowered along the arrangement direction of the drawers 111, and a U-shaped slot 213 is formed in the movable plate 212, and in combination with Figure 5The U-shaped slot 213 is provided with a plurality of slots along the length direction of the movable plate 212, the movable piece 214 is formed by inwardly folding the movable plate 212 at the U-shaped slot 213, the non-folding area of the movable plate 212 is in a three-dimensional staggered relationship with the movable piece 214, the shape of the movable piece 214 is L-shaped, the bottom end of the movable piece 214 is downwardly folded to form a downwardly folded part 215, one of the drawers 111 is slid outward to drive the trigger assembly 221 to slide and abut against the movable plate 212 to move upward, the movable plate 212 moves upward to drive all the movable pieces 214 to move upward, the upward movement of the movable piece 214 makes the downwardly folded part 215 be opposite to the limiting end 123 of the corresponding stop piece 121, thereby hindering the remaining drawers 111 from being slid outward.

[0028] With reference to Figure 4 and Figure 5 The trigger assembly 221 is provided with a plurality of trigger assemblies corresponding to the positions of the drawers 111, each trigger assembly 221 comprises a trigger inclined block 222, the trigger inclined block 222 is slidably installed on the cabinet 1 and is consistent with the sliding direction of the drawer 111, the trigger inclined block 222 corresponds to the movable piece 214, one of the drawers 111 is slid outward to drive the corresponding trigger inclined block 222 to slide horizontally, the top end of the trigger inclined block 222 is inclined, the trigger inclined block 222 slides horizontally and abuts against the corresponding movable piece 214 to move upward, the upward movement of the movable piece 214 realizes the upward movement of the movable plate 212 as a whole, thereby making the remaining movable pieces 214 move upward to be opposite to the corresponding stop piece 121, if the remaining drawers 111 are slid outward, the stop piece 121 will abut against the corresponding movable piece 214 to block the remaining drawers 111 from being slid outward, thereby realizing the effect of locking the remaining drawers 111 when one of the drawers 111 is opened.

[0029] With reference to Figure 3 and Figure 4The cabinet 1 is provided with a plurality of outer guide rails 112 fixedly installed on the cabinet 1, the trigger assembly 221 further comprises a fixed block 223, a control shaft 224 and a single-lock elastic member 225, the fixed block 223 is fixedly installed at one end of the outer guide rail 112, the trigger inclined block 222 is in sliding fit with the fixed block 223, the fixed block 223 is provided with a transverse slot 2231 extending along the sliding direction of the drawer 111, the control shaft 224 is in sliding fit with the transverse slot 2231, one of the drawers 111 slides outwards to drive the control shaft 224 to move horizontally in the transverse slot 2231, the control shaft 224 moves horizontally to drive the trigger inclined block 222 to move horizontally, and the trigger inclined block 222 moves horizontally to abut against the upward movement of the corresponding movable piece 214. One end of the single-lock elastic member 225 is fixedly connected with the fixed block 223, and the opposite end is fixedly connected with the trigger inclined block 222. During the horizontal movement of the trigger inclined block 222, the single-lock elastic member 225 is stretched and deformed. In this embodiment, the single-lock elastic member 225 comprises a tension spring.

[0030] With reference to Figure 4 And Figure 5 The fixed block 223 is further provided with a vertical slot 2232 in communication with the slot tail of the transverse slot 2231. After the control shaft 224 enters the vertical slot 2232, the trigger inclined block 222 is provided with a matching slot 2221 in sliding fit with the control shaft 224, the matching slot 2221 extends along the lifting direction of the movable piece 214, under the stretching action of the single-lock elastic member 225, the control shaft 224 abuts against the inner wall of the vertical slot 2232, the trigger inclined block 222 stops moving horizontally, and the movable piece 214 and the movable plate 212 are kept at a fixed height.

[0031] With reference to Figure 3 And Figure 4 The cabinet 1 is further provided with a plurality of inner guide rails 113 corresponding to the outer guide rails 112 in one-to-one correspondence, the inner guide rails 113 are fixedly installed on the drawer 111 and in sliding fit with the outer guide rails 112, the inner guide rails 113 are provided with a guide transverse slot 114 and a guide inclined slot 115, the guide transverse slot 114 is in communication with the slot tail of the guide inclined slot 115, one end of the control shaft 224 is in sliding fit with the guide transverse slot 114 and the guide inclined slot 115, the slot opening of the guide inclined slot 115 is provided with an opening 116 expanding outward, during the outward sliding of the drawer 111 to drive the inner guide rail 113, the guide transverse slot 114 drives the control shaft 224 to slide in the transverse slot 2231, the guide inclined slot 115 drives the control shaft 224 to slide in the vertical slot 2232, and the opening 116 enables the control shaft 224 to be separated from the inner guide rail 113, and then in combination with Figure 1 The cabinet 1 is provided with a plurality of outer guide rails 112 fixedly installed on the cabinet 1, the trigger assembly 221 further comprises a fixed block 223, a control shaft 224 and a single-lock elastic member 225, the fixed block 223 is fixedly installed at one end of the outer guide rail 112, the trigger inclined block 222 is in sliding fit with the fixed block 223, the fixed block 223 is provided with a transverse slot 2231 extending along the sliding direction of the drawer 111, the control shaft 224 is in sliding fit with the transverse slot 2231, one of the drawers 111 slides outwards to drive the control shaft 224 to move horizontally in the transverse slot 2231, the control shaft 224 moves horizontally to drive the trigger inclined block 222 to move horizontally, and the trigger inclined block 222 moves horizontally to abut against the upward movement of the corresponding movable piece 214. One end of the single-lock elastic member 225 is fixedly connected with the fixed block 223, and the opposite end is fixedly connected with the trigger inclined block 222. During the horizontal movement of the trigger inclined block 222, the single-lock elastic member 225 is stretched and deformed. In this embodiment, the single-lock elastic member 225 comprises a tension spring.

[0032] Reference Figure 3 And Figure 5 The single lock unlocking assembly 3 is further installed on the box body 1, the single lock unlocking assembly 3 comprises a single lock cylinder 311 and a single lock bolt 321, the single lock cylinder 311 is rotatably installed on the box body 1, the single lock cylinder 311 rotates under the driving of a key, the single lock bolt 321 is provided with a single lock movable port 322 extending in the horizontal direction. One end of the single lock cylinder 311 is movably connected with the single lock movable port 322, the single lock cylinder 311 rotates and abuts against the single lock bolt 321, the single lock bolt 321 is fixedly connected with the movable plate 212, the single lock guide rail 131 is fixedly installed on the box body 1 and extends along the length direction of the movable plate 212, the single lock bolt 321 drives the movable plate 212 to slide up and down in the single lock guide rail 131, when the movable plate 212 moves upwards and the movable piece 214 is above all the blocking pieces 121, all the drawers 111 can be opened, at this time, the single lock mechanism 2 is in the unlocking state; when the movable plate 212 moves downwards and the movable piece 214 is below all the blocking pieces 121, opening one drawer 111 will trigger the locking of the remaining drawers 111.

[0033] Reference Figure 5 And Figure 6 The elastic locking assembly 4 is further installed on one side of each drawer 111, the elastic locking assembly 4 comprises a lock seat 411, a lock block 421 and a total lock elastic member 431, the lock seat 411 is fixedly installed on one side of the drawer 111, and in combination with Figure 7 The lock seat 411 is provided with an accommodating cavity 412, the lock block 421 is slidably installed in the accommodating cavity 412, the bottom end of the lock seat 411 is provided with a through hole 413, one end of the lock block 421 extends from the through hole 413, one end of the total lock elastic member 431 is fixedly connected with the lock seat 411, and the opposite end is fixedly connected with the lock block 421, in the embodiment, the total lock elastic member 431 comprises a spring.

[0034] Reference Figure 5 And Figure 6 The box body 1 is further provided with the total lock mechanism 5, the total lock mechanism 5 comprises a locking plate 511, the locking plate 511 is movably installed on the box body 1 and slides up and down along the arrangement direction of the drawers 111, the locking plate 511 is provided with a clamping groove 512, the clamping groove 512 is provided with a plurality of clamping grooves and is distributed along the length direction of the locking plate 511, and in combination with Figure 8The bottom end of the lock block 421 is provided with a guide inclined surface 423. During the closing process of the drawer 111, the lock block 421 approaches the locking plate 511, and the guide inclined surface 423 slides and conflicts with the edge of the card slot 512. The total lock elastic member 431 is compressed, and the lock block 421 moves toward the lock seat 411. After the lock block 421 passes through the locking plate 511, the total lock elastic member 431 recovers its deformation and drives the lock block 421 to move downward. The side of the lock block 421 facing the drawer 111 is opposite to the end face of the locking plate 511. The side of the lock block 421 opposite to the locking plate 511 is the limiting surface 422, and the drawer 111 is in the locked state. If all drawers 111 remain closed, all drawers 111 are in the locked state.

[0035] refer to Figure 5 and Figure 6 The master lock mechanism 5 also includes a master lock unlocking component 521, which includes a master lock cylinder 522 and a master lock tongue 523. The master lock cylinder 522 is rotatably mounted on the box body 1, and the master lock cylinder 522 rotates under the drive of the key. The master lock tongue 523 is provided with a master lock movable opening 524, and the master lock movable opening 524 is extended along the horizontal direction. One end of the master lock cylinder 522 is movably matched with the master lock movable opening 524, the master lock cylinder 522 rotates and interferes with the rotation of the master lock tongue 523, and the master lock tongue 523 is fixedly connected to the locking plate 511. A master lock guide rail 117 is fixedly installed on the box body 1, and the master lock tongue 523 rotates to drive the locking plate 511 to slide up and down in the master lock guide rail 117, and then combined with Figure 8 When the drawer 111 is locked, the limiting surface 422 of the locking block 421 is opposite to the end surface of the locking plate 511. After the locking plate 511 moves downward, the limiting surface 422 of the locking block 421 is opposite to the card slot 512. If the drawer 111 slides outward, the locking block 421 smoothly passes through the card slot 512 and disengages from the locking plate 511, and all drawers 111 can be opened.

[0036] The implementation principle of the embodiment of the application is as follows: when the total locking mechanism 5 is in the locked state, the limiting surfaces 422 of all the locking blocks 421 are opposite to the end surface of the locking plate 511, and no matter whether the single locking mechanism 2 is unlocked or locked, all the drawers 111 cannot be opened; when the total locking mechanism 5 is in the unlocked state, if the single locking mechanism 2 is unlocked, all the movable pieces 214 are located above the corresponding blocking pieces 121, and all the drawers 111 can be opened; when the total locking mechanism 5 is in the unlocked state, if the single locking mechanism 2 is locked, one drawer 111 slides outwards, the blocking piece 121 on the drawer 111 drives the corresponding movable piece 214 to move upwards, the movable plate 212 moves upwards synchronously, the remaining movable pieces 214 move upwards to be opposite to the corresponding blocking pieces 121, and the remaining drawers 111 cannot slide outwards, so that only one drawer 111 can be opened while the remaining drawers 111 are locked, and under the cooperation of the single locking mechanism 2 and the total locking mechanism 5, the drawers 111 on the tool box can keep three states, which are: all the drawers 111 are closed, all the drawers 111 are opened, and only one drawer 111 can be opened at a time.

[0037] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A tool box with a single locking mechanism, comprising a box body (1), and a plurality of drawers (111) slidably mounted in the box body (1), characterized in that: Each of the drawers (111) is fixedly mounted with a blocking piece (121); the box body (1) is mounted with a single lock mechanism (2) for triggering the locking of the remaining drawers (111) when one of the drawers (111) is opened; the single lock mechanism (2) comprises a trigger assembly (221) and a single lock assembly (211); the trigger assembly (221) is provided in plurality and corresponds to the position of each of the drawers (111); the single lock assembly (211) comprises a movable plate (212) which is movable and mounted on the box body (1); and a movable piece (214) which is fixedly mounted on the movable plate (212); the movable piece (214) is provided with a plurality of The trigger components (221) correspond one-to-one to the blocking pieces (121), and each trigger assembly (221) includes a triggering inclined block (222) for triggering the movable piece (214) to move upward. The number of the triggering inclined blocks (222) corresponds one-to-one to the number of the movable pieces (214). When one of the drawers (111) is opened, the corresponding triggering inclined block (222) is driven to move horizontally. The horizontal displacement of the triggering inclined block (222) drives the corresponding movable piece (214) to move upward so that the remaining movable pieces (214) are opposite to the corresponding blocking pieces (121). The movable pieces (214) are opposite to the blocking pieces (121) to prevent the drawer (111) from sliding outward.

2. A tool box with a single locking mechanism according to claim 1, characterized in that: The trigger assembly (221) further comprises a fixed block (223), a control shaft (224) for guiding the horizontal displacement of the trigger inclined block (222), and a single-lock elastic member (225) fixedly connected between the fixed block (223) and the trigger inclined block (222); the fixed block (223) is fixedly mounted on the box body (1); the trigger inclined block (222) and the fixed block (223) are slidably matched; the control shaft (224) is slidably mounted on the fixed block (223); the fixed block (223) is provided with a transverse groove (2231) for slidably matching the control shaft (224); when one of the drawers (111) is opened, the control shaft (224) is driven to move horizontally along the transverse groove (2231); the trigger inclined block (222) is sleeved on one end of the control shaft (224); the control shaft (224) moves horizontally against the trigger inclined block (222) and the single-lock elastic member (225) is in a stretched state.

3. The tool box with a single locking mechanism according to claim 2, characterized in that: The fixing block (223) is further provided with a vertical slot (2232) for positioning the horizontal position of the control shaft (224), the vertical slot (2232) and the slot tail of the transverse slot (2231) are communicated with each other, the triggering inclined block (222) is provided with a matching slot (2221) for matching the control shaft (224) to enter the vertical slot (2232), each of the drawers (111) is fixedly installed with an inner guide rail (113) that is slidably matched with the box body (1), and the inner guide rail (113) is provided with a slot for the control shaft (224). 4) A guide transverse groove (114) sliding on the transverse groove (2231) and a guide inclined groove (115) for controlling the shaft (224) to slide into the vertical groove (2232), wherein the groove tails of the guide transverse groove (114) and the guide inclined groove (115) are connected to each other, and the guide transverse groove (114) and the guide inclined groove (115) are slidably matched with one end of the control seat, and an opening (116) is provided at the notch of the guide inclined groove (115) for allowing one end of the control shaft (224) to detach from the inner guide rail (113).

4. The tool box with a single locking mechanism according to claim 1, characterized in that: The box body (1) is further provided with a single lock unlocking assembly (3) for opening all drawers (111). The single lock unlocking assembly (3) comprises a single lock tongue (321) and a single lock core (311) for driving the single lock tongue (321) to rotate. The single lock tongue (321) is fixedly mounted on the movable plate (212). The rotation of the single lock tongue (321) drives the movable plate (212) to rise and fall. The movable plate (212) moves upward so that all movable pieces (214) and all blocking pieces (121) are staggered with each other.

5. The tool box with a single locking mechanism according to claim 1, characterized in that: An elastic locking assembly (4) is installed on one side of each drawer (111), and the box body (1) is also provided with a general locking mechanism (5) for opening or locking all the drawers (111). The general locking mechanism (5) includes a locking plate (511) that contacts each elastic locking assembly (4), and a general locking and unlocking assembly (521) that drives the locking plate (511) to move downward to disengage from the contact with the elastic locking assembly (4). The locking plate (511) is installed on the box body (1) in a lifting and movable manner.

6. The tool box with a single locking mechanism according to claim 5, characterized in that: The elastic locking assembly (4) comprises a lock seat (411), a lock block (421), and a total lock elastic member (431) for moving the lock block (421) downward; the lock seat (411) is fixedly mounted on the drawer (111); the lock block (421) is slidably mounted on the lock seat (411); the locking plate (511) is provided with a slot (512) for the lock block (421) to pass through the locking plate (511); a plurality of slots (512) are provided and correspond one to one with the lock blocks (421); the total lock elastic member (431) is fixedly mounted between the lock seat (411) and the lock block (421); the lock block (421) passes through the slot (512) and then moves downward and faces the end surface of the locking plate (511).

7. The tool box with a single locking mechanism according to claim 6, characterized in that: A guide slope (423) is provided at the bottom end of the locking block (421), and the guide slope (423) is in sliding contact with the inner side wall of the locking slot (512).

8. The tool box with a single locking mechanism according to claim 6, characterized in that: The master lock unlocking assembly (521) comprises a master lock tongue (523) and a master lock core (522) for driving the master lock tongue (523) to rotate. The master lock tongue (523) is fixedly mounted on the locking plate (511). The master lock tongue (523) rotates to drive the locking plate (511) to move downward. The locking plate (511) moves downward so that the limiting surface (422) of the locking block (421) is opposite to the card slot (512).

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