Multi-point compression type locking mechanism

Abstract

The utility model relates to a multi-point compression type locking mechanism which aims at solving the technical problems that parts such as connecting rods of an existing container energy storage cabinet are exposed and prone to rusting and corrosion, the occupied space of the outer side is large, and sea transportation is not good. The mechanism is characterized in that lock point assemblies on lock point connecting rod assemblies of the mechanism are vertically and symmetrically arranged at four edge notches of a fixing plate on the inner side of a cabinet door in a four-lock-point mode, and one ends of the lock point assemblies on the two sides of the upper portion are hinged to one ends of first connecting rods symmetrically arranged on the two sides of the connecting rod assemblies through linkage pieces respectively; one end of a third connecting rod is hinged to linkage pieces at one ends of the lock point assemblies on the two sides of the lower portion, the other end of the third connecting rod is hinged to the other end of the first connecting rod through a swing hole in the middle of a second connecting piece, and the swing hole of the second connecting piece is fixedly formed in the cabinet door or the fixing plate to swing. The other end of the second connecting piece is connected with the two sides of one end of the first connecting piece through a second connecting rod, and the other end of the first connecting piece is connected with a rack of an external handle lock or a sinking panel lock.

Description

TECHNICAL FIELD

[0001] The utility model relates to a door lock of container energy storage cabinet, and is a multi-point compression type locking mechanism. BACKGROUND

[0002] The existing container energy storage cabinet door is one of high sealing doors, and the high sealing door is mainly used in the fields of van, container, freight railway and the like, is transported through the carriage of the integral closed independent structure of hanging or integration, and thus the transportation condition, sanitary condition and safety and integrity of goods are significantly improved. The high sealing door is generally locked through a connecting rod, and the connecting rod lock of the connecting rod needs to be installed with a guide piece, a positioning piece and the like locking fittings on the door plate, and a plurality of assembly steps are needed to realize the locking action of the cabinet lock body. For example, the patent document CN 213958593 U discloses a container energy storage cabinet door, and the utility model is granted on October 15, 2021. However, the existing conventional container energy storage cabinet lock generally has the following problems: 1. exposed to the outside, easy to rust and corrode; 2. occupies the outside space, which is not conducive to sea transportation. SUMMARY

[0003] In order to overcome the above-mentioned defects, the utility model aims to provide a multi-point compression type locking mechanism to the field, which solves the technical problems that the connecting rod and other components of the existing container energy storage cabinet door are exposed and easy to rust and corrode, and the outside space is large and not conducive to sea transportation. The purpose is realized through the following technical scheme.

[0004] A multi-point compression type locking mechanism, which comprises a cabinet body, a cabinet door, a lock body and a lock point connecting rod assembly, the lock point connecting rod assembly comprises a connecting rod assembly and a lock point assembly, one side edge of the cabinet door is opened or closed through a hinge arranged between the corresponding side edge door frame of the cabinet body, the lock point connecting rod assembly is arranged in the interlayer between the cabinet door and the fixed plate behind the cabinet door, the fixed plate is integrated with the cabinet door, the connecting rod assembly of the lock point connecting rod assembly is arranged in an X shape, the first connecting piece of the connecting rod assembly serves as a driving piece, one end of the first connecting piece is hinged with one end of the lock body rack protruding from the lock body, when the handle of the lock body is pulled back and forth after being unlocked through the lock core, the corresponding gear is driven to rotate, at the same time, the lock body rack is driven to move up and down, the first connecting piece is driven to move up and down by the lock body rack, and the connecting rod assembly of the lock point connecting rod assembly is driven to move up and down in linkage, the connecting rod assembly drives the lock head piece of the lock point assembly to unlock or lock the inner side of the door frame of the cabinet body, and the lock head rod of the lock point assembly is limited and fixed on the cabinet door or the fixed plate to move up and down through the guide piece or the positioning piece. The structural design points of the mechanism are that the lock point assembly of the lock point connecting rod assembly is arranged in four lock points in the four edge slots of the fixed plate on the inner side of the cabinet door in a two-by-two up-and-down symmetrical manner, the other end of the upper two lock point assemblies is hinged with one end of the first connecting rod arranged on the upper two sides of the lock body in a symmetrical manner through the linkage piece, the first connecting rod is arranged on the upper two sides of the lock body in a symmetrical manner, the other end of the first connecting rod is hinged with one side of the second connecting rod in the middle swing hole of the lower two second connecting pieces of the lock body, one end of the second connecting rod is hinged with the second connecting rod end part on one side of the second connecting rod, the other end of the second connecting rod is hinged with the other end of the lower first connecting piece of the lock body on both sides, the second connecting rod is arranged on the lower two sides of the first connecting piece in a symmetrical triangular shape, the swing hole of the second connecting piece is fixedly arranged on the cabinet door or the fixed plate to swing, the other end of the second connecting piece is hinged with one end of the third connecting rod on the lower two sides of the lock body, the other end of the third connecting rod is hinged with the other end linkage piece of the lower two lock point assemblies, and the first connecting rod and the second connecting rod on both sides are arranged outward in a diagonal manner. Thus, the main components such as the connecting rod of the mechanism are arranged in the interlayer between the cabinet door and the fixed plate, and only the lock head piece end position of the lock point assembly of the lock point connecting rod assembly protrudes from the edge slot of the fixed plate.

[0005] The length of the first connecting rod is greater than the length of the third connecting rod, and the length of the third connecting rod is greater than the length of the second connecting rod. Thus, the position of the lock body of the mechanism is located at a position below the middle of the cabinet door, and the lock body is more convenient to operate.

[0006] The lock body is an external handle lock. One end of the external handle is connected to the external ratchet sleeve via an external handle seat. The external handle, external handle seat, and external ratchet sleeve are integrated. The ratchet ring on the inner wall of the external ratchet sleeve meshes with the outer diameter teeth of the external ratchet. When the external handle is reciprocated, it drives the reciprocating external ratchet sleeve to rotate, which in turn drives the internal and external ratchet wheels of the external lock housing to rotate. One end of the external square shaft at the center of the external ratchet extends out of the external housing seat at the bottom of the external lock housing and drives the internal and external drive gears of the external base plate below the external lock housing to rotate. The external drive gear drives the external driven gear meshing inside the external base plate to rotate synchronously. The external driven gear drives the external rack meshing on one side of the external base plate to move up and down. One end of the external rack... Extending from the outer base plate; the outer lock housing has symmetrically arranged outer stop blocks on one side of the outer ratchet, which are respectively abutted against the outer diameter teeth of the outer ratchet by outer springs. Between the outer stop blocks, there is an outer cam block that is driven to rotate and unlock the outer stop blocks on both sides by an outer lever. The outer ratchet sleeve is connected to the other end of the outer square shaft by an outer fastening screw. The outer lever is located in the outer ratchet sleeve in the inner diameter of the lever hole of the outer handle seat. One end of the outer lever is connected to the lower outer cam block through the outer lock shaft that passes through the outer ratchet sleeve. The outer ratchet on the outer square shaft is limited to the outer square shaft hole of the outer housing seat. The X-shaped connecting rod assembly can be replaced by two upper and lower rods on both sides. The two upper and lower rods are respectively connected to the outer racks on both sides of the driven gear. The aforementioned external handle lock's external rack is connected to the drive component of the X-shaped linkage at the container energy storage cabinet door. When the external rack moves up and down, the drive component moves up and down to drive the locking point of the X-shaped linkage to unlock or lock; or it facilitates the use of the external handle lock in similar products such as top and bottom rod door locks.

[0007] One end of the external handle seat is fixedly connected to the external handle. The other end of the external handle seat has external hinge ears protruding on both sides of its bottom, which engage with external studs protruding on both sides of the outer diameter of the external ratchet sleeve inside and outside the sleeve hole of the external housing seat. An external locking sleeve is provided on the outer diameter of the external threaded sleeve protruding at the bottom of the sleeve hole of the external housing seat. The external housing seat is fixedly installed in the mounting hole of the door panel via the external locking sleeve. Simultaneously, the external square shaft is inserted into the square hole of the external drive gear in the external base plate installed at the rear of the door panel. The external drive gear, external driven gear, and external rack are installed inside the external base plate through the external bottom cover. The above describes the specific connection method between the external handle seat, the external handle, and the external ratchet sleeve, and the specific installation method of the external drive gear, external driven gear, and external rack inside the external base plate.

[0008] The external lock housing is equipped with an external lock cylinder. The rotating shaft at the bottom of the external lock cylinder is connected to one end of the external bolt inside the external lock housing. The other end of the external bolt is engaged with the outer diameter of the inner and outer ratchet sleeves of the external lock housing for locking or unlocking. This structure facilitates the unlocking and locking of the external handle, that is, the locking and unlocking of the external handle is achieved by the limiting action of the external ratchet sleeve.

[0009] The outer handle seat is arranged in the gap of the opening of the outer lock shell. The above structure facilitates overall assembly and operation of the outer handle.

[0010] The lock body is a sunk panel lock. One end of the sunk handle of the sunk panel lock is connected with the sunk ratchet sleeve through the sunk handle seat. The sunk handle, the sunk handle seat and the sunk ratchet sleeve are integrated and arranged in the handle groove on one side of the sunk panel. The groove opening of the handle groove of the sunk panel is provided with an outwardly turned skirt. The ratchet ring of the inner wall of the sunk ratchet sleeve is engaged with the outer diameter tooth opening of the sunk ratchet. When the sunk handle is reciprocally pulled, the sunk ratchet sleeve is rotated to drive the sunk ratchet in the handle groove of the sunk panel to rotate. One end of the sunk four-square shaft in the center of the sunk ratchet extends out of the bottom of the sunk panel and drives the sunk gear in the bottom shell below the sunk panel to rotate. The sunk gear drives the sunk rack on one side of the bottom shell to move up and down. One end of the sunk rack extends out of the bottom shell. The sunk four-square shaft extending out of the bottom of the bottom shell is integrated with the sunk gear through the sunk second screw. The bottom shell is fixedly arranged at the bottom of the sunk panel. Symmetrical sunk stop blocks are arranged on one side of the sunk ratchet in the sunk panel. The sunk stop blocks are respectively abutted on the outer diameter tooth opening of the sunk ratchet through the sunk spring. The sunk cam block is arranged between the sunk stop blocks. The sunk cam block is driven to rotate and unlock the sunk stop blocks on both sides through the sunk knob. The sunk knob is located in the sunk ratchet sleeve with a diameter of the knob hole of the sunk handle seat. One end of the sunk knob is connected with the sunk cam block below through the sunk lock shaft penetrating the sunk ratchet sleeve. The other end of the sunk four-square shaft is connected with the sunk ratchet sleeve through the sunk first screw. The sunk ratchet is limited in the sunk four-square shaft hole of the sunk panel and is provided with a sunk gasket. The sunk panel is fixedly arranged in the mounting hole of the door panel. The X-shaped connecting rod assembly is arranged or replaced by the top and bottom rods on both sides. The top and bottom rods are respectively connected with the sunk rack on both sides of the sunk gear. The sunk rack of the sunk panel lock is connected with the driving member of the X-shaped connecting rod of the container energy storage cabinet door. When the sunk rack moves up and down, the X-shaped connecting rod is unlocked or locked through the driving member moving up and down.

[0011] One end of the sunk handle seat is fixedly connected with the sunk handle. The protruding hinged ears on both sides of the other end of the sunk handle seat are hingedly buckled with the sunk pin shafts penetrating the outer diameter of the sunk ratchet sleeve. The sunk pin shafts are located above the sunk first screw in the sunk ratchet sleeve. The above is the specific connection mode of the sunk handle seat, the sunk handle and the sunk ratchet sleeve. The sunk pin shafts can also be replaced by the protruding columns on both sides of the outer diameter of the sunk ratchet sleeve.

[0012] The handle slot of the sinking panel is provided with a sinking sub-panel, the sinking sub-panel is provided with a sinking lock cylinder, the bottom of the sinking lock cylinder is connected with one end of a sinking lock bolt at the bottom of the sinking sub-panel, and the other end of the sinking lock bolt is locked with the outer diameter of the sinking ratchet sleeve in the handle slot of the sinking panel or is unlocked by falling off.

[0013] The bottom of the sinking lock cylinder is aligned with the through hole of the sinking panel below, and the through hole of the sinking panel is provided with a sinking plug.

[0014] The bottom shell comprises sinking cover plates and sinking bottom plates arranged on both sides, and the sinking gear and the sinking rack are arranged in the gap between the sinking bottom plate and the sinking cover plate.

[0015] The inner groove of the outer ratchet sleeve below the handle seat of the outer handle lock is provided with an outer cover plate, and the surface of the cover plate is provided with a switch indication.

[0016] The lock point assembly of the lock point connecting rod assembly is arranged in the two edge slots of the fixed plate on the inner side of the cabinet door in a four-lock-point symmetrical manner, or one side of the lock point connecting rod assembly arranged in an upper and lower manner is omitted, and the first connecting rod, the second connecting rod, the second connecting member and the third connecting rod arranged in a corresponding manner on the side are also omitted.

[0017] The utility model discloses a structure design is reasonable, production, installation, convenient to use, stability, waterproof is good, and the space possession is little, and the locking point is more, and the linkage effect is good, and the versatility is strong, and the application range is wider, especially the two kinds of lock corresponding are suitable as container energy storage cabinet door and similar product's door lock use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is Figure 1 It is the rear structure schematic diagram of

[0020] Figure 3 It isFigure 1 A schematic diagram of the internal structure of the cabinet door, with the cabinet door omitted in the diagram, and sections A and B framed.

[0021] Figure 4 yes Figure 1 A cross-sectional structural diagram, with section C outlined in the diagram.

[0022] Figure 5 yes Figure 3 Enlarged view of part A.

[0023] Figure 6 yes Figure 3 Enlarged view of part B.

[0024] Figure 7 yes Figure 4 Enlarged view of part C.

[0025] Figure 8 yes Figure 3 A three-dimensional structural diagram of the linkage assembly is shown, with part D framed in the diagram.

[0026] Figure 9 yes Figure 8 The diagram shows the rear structure of the connecting rod assembly, with part E framed in the diagram.

[0027] Figure 10 yes Figure 8 Enlarged view of part D.

[0028] Figure 11 yes Figure 9 Enlarged view of part E.

[0029] Figure 12 yes Figure 11 Exploded view of the rolling locking point assembly.

[0030] Figure 13 yes Figure 3 A schematic diagram of the exploded structure of the central locking body.

[0031] Figure 14 yes Figure 13 A schematic diagram of the assembled cross-sectional structure.

[0032] Figure 15 yes Figure 13 A schematic diagram of the internal structure in three dimensions, with the dashed lines representing the lock case.

[0033] Figure 16 yes Figure 13 A schematic diagram of the internal structure of the external ratchet sleeve is shown. The external handle, external handle seat, and external lock housing are omitted in the diagram. The dotted line represents the external ratchet sleeve.

[0034] Figure 17 yes Figure 16A schematic diagram of the internal structure of the outer base plate, omitting the outer ratchet sleeve, outer bolt, and outer lock cylinder.

[0035] Figure 18 yes Figure 3 The diagram shows an enlarged view of the improved lock body structure, in which the external handle lock has been replaced with a recessed panel lock.

[0036] Figure 19 yes Figure 18 A schematic diagram of the explosion structure of the sunken panel lock.

[0037] Figure 20 yes Figure 19 A schematic diagram of the assembled three-dimensional structure.

[0038] Figure 21 yes Figure 20 A cross-sectional structural diagram.

[0039] Fig. No. and Name: 1, cabinet body, 101, door frame, 2, cabinet door, 3, outer handle lock, 301, outer handle lock, 301, outer handle, 302, outer handle seat, 303, outer lock shell, 304, outer lock core, 305, outer shell seat, 306, outer gasket, 307, outer spring, 308, outer stop block, 309, outer ratchet wheel, 3010, outer square shaft, 3011, outer lock sleeve, 3012, outer bottom plate, 3013, outer rack, 3014, outer bottom cover, 3015, outer lock shaft, 3016, outer lock bolt, 3017, outer column head, 3018, outer ratchet sleeve, 3019, outer fastening screw, 3020, outer cover sheet, 3021, outer knob, 3022, outer cam block, 3023, outer driving gear, 3024, outer driven gear, 4, fixed plate, 401, edge notch, 5, rolling type lock point assembly, 501, first guide, 502, second guide, 503, third guide, 504, rod connecting piece, 505, side plate, 506, lock rod, 507, fixed seat, 5071, roller, 6, first connecting rod, 7, first connecting piece, 8, second connecting rod, 9, second connecting piece, 901, swing hole, 10, third connecting rod, 11, sunken panel lock, 1101, sunken handle, 1102, sunken handle seat, 1103, knob, 1104, sunken pin shaft, 1105, sunken lock core, 1106, sunken sub-plate, 1107, sunken lock bolt, 1108, sunken panel, 1109, sunken sealing ring, 1110, sunken first screw, 1111, sunken ratchet sleeve, 1112, sunken ratchet wheel, 1113, sunken square shaft, 1114, sunken gasket, 1115, sunken plug, 1116, sunken rack, 1117, sunken cover plate, 1118, sunken bottom plate, 1119, sunken second screw, 1120, sunken gear, 1121, sunken spring, 1122, sunken stop block, 1123, sunken cam block, 1124, sunken lock shaft. Embodiment

[0040] The structure and use of the present application will be further described with reference to the drawings. As shown in the drawings: Figures 1-12As shown, the mechanism includes a cabinet body 1, a cabinet door 2, a lock body 3 and a lock point linkage assembly, the lock point linkage assembly includes a linkage assembly and a lock point assembly, one side edge of the cabinet door is opened or closed through the hinge arranged between the corresponding side edge door frame 101 at the cabinet body, the lock point linkage assembly is arranged in the interlayer between the cabinet door and the fixed plate 4 at the rear of the cabinet door, the fixed plate is integrated with the cabinet door, the linkage assembly of the lock point linkage assembly is arranged in X shape, the first connecting piece 7 of the linkage assembly serves as a driving piece, one end of the first connecting piece is hinged with one end of the lock body rack protruding from the lock body; when the handle of the lock body is pulled back and forth after being unlocked through the lock cylinder, the corresponding gear is driven to rotate, at the same time, the lock body rack is driven to move up and down, the first connecting piece is driven to move up and down by the lock body rack, and the linkage assembly of the lock point linkage assembly is driven to move up and down by the first connecting piece, the linkage assembly drives the lock head piece of the lock point assembly of the lock point linkage assembly to unlock or lock the inner side of the door frame of the cabinet body, and the lock head rod of the lock point assembly is limited and fixed on the cabinet door or the fixed plate to move up and down through the guide piece or the positioning piece.

[0041] The specific structure of the mechanism is as follows: the lock point assembly of the lock point linkage assembly is arranged in four lock points in the four edge slots 401 of the fixed plate on the inner side of the cabinet door in a two-by-two up-and-down symmetrical manner, the other end of the upper two lock point assemblies is hinged with one end of the first connecting rod 6 arranged on the upper two sides of the lock body in a two-by-two symmetrical manner through the linkage piece, the first connecting rod is arranged on the upper two sides of the lock body in a two-by-two symmetrical manner, the other end of the first connecting rod is hinged with one side of the second connecting rod 8 of the middle swing hole 901 of the second connecting piece 9 on the lower two sides of the lock body, the second connecting rod end on one side of the second connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with the other end of the first connecting piece 7 on the lower two sides of the lock body, the second connecting rod is arranged on the lower two sides of the first connecting piece in a two-by-two symmetrical manner, the swing hole of the second connecting piece is fixedly arranged on the cabinet door or the fixed plate to swing, the other end of the second connecting piece is hinged with one end of the third connecting rod 10 on the lower two sides of the lock body, the other end of the third connecting rod is hinged with the other end of the linkage piece of the lower two lock point assemblies, and the first connecting rod and the second connecting rod on the two sides are arranged outward in a diagonal manner. The length of the first connecting rod is greater than the length of the third connecting rod, and the length of the third connecting rod is greater than the length of the second connecting rod.

[0042] The lock point assembly is a rolling lock point assembly 5, the lock rod 506 of the rolling lock point assembly is in Z shape, the two sides of the lock rod are respectively provided with Z-shaped side plates 505 corresponding in shape, one end of the two side plates is respectively hinged to the top roller 5071 of the fixed seat 507, the other end of the two side plates is respectively hinged to one end of the rod connecting piece 504, the other end of the rod connecting piece is hinged to one end of the first connecting rod or the third connecting rod, the two ends of the fixed seat and the side plates respectively pass through the first guide 501 and the second guide 502, the first guide and the second guide are fixedly arranged on the cabinet door or the fixed plate, the two sides of the fixed seat are respectively provided with the third guide which is fixedly arranged on the cabinet door or the fixed plate; the lock head piece is the fixed seat, and the linkage piece is the rod connecting piece. The side seat of the lock rod of the rolling lock point assembly is provided with an inclined surface, and the roller of the fixed seat slides along the inclined surface of the fixed seat when it is opened.

[0043] As shown in the drawings, Figures 13-17 The lock body is an external handle lock 3, one end of the external handle 301 is connected to the external ratchet sleeve 3018 through the external handle seat 302, the external handle, the external handle seat and the external ratchet sleeve are integrated, the internal tooth ring of the external ratchet sleeve is engaged with the external diameter tooth of the external ratchet 309, and the external handle is reciprocally pulled to drive the external ratchet sleeve to rotate, and the external ratchet sleeve drives the external ratchet in the external lock shell 303 to rotate; one end of the external four-axis 3010 in the center of the external ratchet extends out of the external shell seat 305 at the bottom of the external lock shell and drives the external main gear 3023 in the external bottom plate 3012 below the external lock shell to rotate, the external main gear drives the external driven gear 3024 engaged in the external bottom plate to rotate synchronously, the external driven gear drives the external rack 3013 engaged with each other on one side in the external bottom plate to move up and down, and one end of the external rack extends out of the external bottom plate; the external ratchet on one side in the external lock shell is provided with the external stop block 308 which is abutted to the external diameter tooth of the external ratchet through the external spring 307, the external stop block is provided with the external cam block 3022 which is driven to rotate and unlocks the two external stop blocks through the external knob 3021, the external ratchet sleeve is connected to the other end of the external four-axis through the external fastening screw 3019, the external knob is located in the external ratchet sleeve with a diameter of the knob hole in the external handle seat, one end of the external knob is connected to the external cam block below through the external lock shaft 3015 penetrating the external ratchet sleeve, and the external ratchet on the external four-axis is limited in the external four-axis hole of the external shell seat, and the external ratchet at this end is provided with the external gasket 306.

[0044] One end of the outer handle seat is fixedly connected with the outer handle, the other end of the outer handle seat is provided with two protruding outer hinge ears at the bottom of the two sides, the outer hinge ears are buckled and hinged with the outer cylinder 3017 protruding at the outer diameter of the outer ratchet sleeve through the sleeve hole of the outer shell seat, the outer diameter of the outer thread sleeve protruding at the bottom of the sleeve hole of the outer shell seat is provided with an outer locking sleeve 3011, the outer shell seat is fixedly arranged in the mounting hole of the door plate through the outer locking sleeve, meanwhile, the outer square shaft is inserted into the four-square hole of the outer driving gear in the outer bottom plate arranged at the rear of the door plate, the outer driving gear, the outer driven gear and the outer rack are arranged in the outer bottom plate through the outer bottom cover 3014. The outer lock cylinder 304 is arranged in the outer lock shell, the rotating shaft at the bottom of the outer lock cylinder is connected with one end of the outer lock bolt 3016 in the outer lock shell, the other end of the outer lock bolt is locked against the outer diameter of the outer ratchet sleeve in the outer lock shell or is unlocked by falling off. The outer handle seat is arranged in the notch opening at one side of the outer lock shell.

[0045] As shown in Figures 18-21 The lock body is a sunken panel lock 11, one end of the sunken handle 1101 of the sunken panel lock is connected with the sunken ratchet sleeve 1111 through the sunken handle seat 1102, the sunken handle, the sunken handle seat and the sunken ratchet sleeve are integrated and arranged in the handle groove at one side of the sunken panel 1108, the groove of the handle groove of the sunken panel is provided with an outwardly turned skirt, the ratchet ring of the inner wall of the sunken ratchet sleeve is engaged with the outer diameter tooth opening of the sunken ratchet 1112, the sunken handle is reciprocally pulled to drive the sunken ratchet sleeve to rotate, the sunken ratchet sleeve drives the sunken ratchet in the handle groove of the sunken panel to rotate, one end of the sunken square shaft 1113 at the center of the sunken ratchet extends out of the bottom of the sunken panel and drives the sunken gear 1120 in the bottom shell below the sunken panel to rotate, the sunken gear drives the sunken rack 1116 on one side of the bottom shell to move up and down, one end of the sunken rack extends out of the bottom shell, the sunken square shaft extending out of the bottom of the bottom shell is integrated with the sunken gear through the sunken second screw 1119, the bottom shell is fixedly arranged at the bottom of the sunken panel, the sunken panel is provided with two sunken stop blocks 1122 symmetrically arranged at one side of the sunken ratchet and respectively abutting against the outer diameter tooth opening of the sunken ratchet through the sunken spring 1121, the sunken stop blocks are provided with the sunken cam block 1123 which is driven to rotate and unlocks the sunken stop blocks on the two sides through the sunken knob 1103, the sunken knob is arranged in the sunken ratchet sleeve at the inner diameter of the knob hole of the sunken handle seat, one end of the sunken knob is connected with the sunken cam block below through the sunken lock shaft 1124 penetrating the sunken ratchet sleeve, the other end of the sunken square shaft is connected with the sunken ratchet sleeve through the sunken first screw 1110, the sunken ratchet is limited in the sunken square shaft hole of the sunken panel and is provided with the sunken gasket 1114, the sunken panel is fixedly arranged in the mounting hole of the door plate, the sunken sealing ring 1109 is arranged below the skirt of the sunken panel at the mounting position.

[0046] The one end of the above-mentioned sunken handle seat is fixedly connected with the sunken handle, the two protruding hinge ears on the other end of the sunken handle seat are buckled with the sunken pin shaft 1104 penetrating through the outer diameter of the sunken ratchet sleeve on both sides, and the sunken pin shaft is located above the sunken first screw in the sunken ratchet sleeve. The sunken face plate is provided with a sunken auxiliary plate 1106 on one side of the handle groove, the sunken auxiliary plate is provided with a sunken lock core 1105, the rotating shaft at the bottom of the sunken lock core is connected with one end of the sunken lock bolt 1107 at the bottom of the sunken auxiliary plate, and the other end of the sunken lock bolt is locked or falls off to be unlocked in the sunken ratchet sleeve on the handle groove of the sunken face plate. The rotating shaft at the bottom of the sunken lock core is aligned with the through hole of the sunken face plate below, and the through hole of the sunken face plate is provided with a sunken plug 1115. The bottom shell comprises sunken cover plates 1117 and a sunken bottom plate 1118 arranged on both sides, and the sunken gear and the sunken rack are arranged in the gap between the sunken bottom plate and the sunken cover plate.

[0047] According to the above structural features, the lock point assembly or the four lock points symmetrically arranged on the fixed plate at the two edge slots on the inner side of the cabinet door are omitted, and the first connecting rod, the second connecting rod, the second connecting member and the third connecting rod arranged on the one side are also omitted.

[0048] The specific operation of the mechanism is as follows: insert the key to open the lock core, when the lock core rotates, the lock bolt and the ratchet sleeve are separated, and the handle is turned outward to open, that is, the handle can be operated clockwise to move the rack upward, or counterclockwise to move the rack downward; when the above-mentioned rack moves up and down, the corresponding connecting rod is driven to move simultaneously, so as to realize the unlocking and locking of the rolling type lock point assembly, that is, the opening and closing of the cabinet door; after the operation is completed, the handle is retracted, and the lock core is closed.

[0049] The mechanism adopts four lock point driving, and its main features are as follows: 1, the handle drives four lock points to move; 2, the position of the lock point can be adjusted arbitrarily, that is, the two lock points on one side can be cancelled according to the needs; 3, the handle is designed according to the design of the bidirectional ratchet wrench, which can be locked or opened repeatedly, and improves the user's feeling. At the same time, the rolling type lock point assembly has the following characteristics: 1, the lock point roller adopts plastic design, which has the metal strength and the silent performance of plastic; 2, the roller slides along the inclined surface of the fixed seat when it is opened, and the cabinet door is pushed out.

[0050] In summary, the mechanism achieves the following functions: 1, the mechanism with one set of lock can drive up to four lock points, and the position of the lock point is different from that of the conventional one, that is, not on the same axis; 2, the mechanism uses two different types of locks, the external handle lock and the sunken face plate lock; 3, the lock of the mechanism is similar to a ratchet wrench when it is locked, which can be locked by rotating repeatedly, providing better comfort; 4, when the cabinet door is opened, the rolling type lock point assembly is provided with an inclined surface on the lock point, which can push the door out a certain distance to prevent the door from being sucked by the cabinet and being difficult to open.

Claims

1. A multi-point compression locking mechanism, comprising a cabinet body (1), a cabinet door (2), a lock body, and a locking point linkage assembly, wherein the locking point linkage assembly comprises a linkage assembly and a locking point assembly, wherein one side of the cabinet door is opened or closed by a hinge provided between the corresponding side door frame (101) of the cabinet body, the locking point linkage assembly is placed in the interlayer between the cabinet door and the fixing plate (4) at the rear of the cabinet door, the fixing plate is integrated with the cabinet door, the linkage assembly of the locking point linkage assembly is arranged in an X shape, and the first connecting member (7) of the linkage assembly serves as a driving member. One end of the first connecting member is hinged to one end of the lock body rack extending from the lock body; after the handle of the lock body is unlocked by the lock cylinder, it is reciprocated and drives the corresponding gear to rotate, while driving the lock body rack to move up and down. The lock body rack drives the first connecting member to move up and down and drives the linkage assembly of the locking point linkage assembly to move up and down in linkage. The linkage assembly drives the lock head of the locking point linkage assembly to unlock or lock the inner side of the cabinet door frame. The lock head rod of the locking point assembly is limited and fixed to the cabinet door or fixed plate by the guide or positioning member and moves up and down; characterized in that The locking point assembly consists of four locking points symmetrically arranged in pairs on the upper and lower sides of the four side slots (401) of the fixing plate (4) inside the cabinet door (2). The other ends of the upper two locking point assemblies are respectively hinged to one end of the first connecting rod (6) symmetrically arranged on both sides of the connecting rod assembly through a linkage member. The first connecting rods are respectively symmetrically arranged on the upper two sides of the lock body. The other end of the first connecting rod is respectively hinged to one side of the second connecting rod (8) in the middle swing hole (901) of the second connecting member (9) on the lower two sides of the lock body. The end of the second connecting rod on one side of the second connecting rod is... Each is hinged to one end of the second link, and the other end of the second link is hinged to the other two ends of the first connecting member (7) below the lock body. The second link is symmetrically arranged in a triangle on both sides below the first connecting member. The swing holes of the second connecting member are fixedly set to swing on the cabinet door or fixed plate. The other end of the second connecting member is hinged to one end of the third link (10) on both sides below the lock body. The other end of the third link is hinged to the other end of the linkage member of the locking point assembly on both sides below. The first link and the second link on both sides are inclined to the outside.

2. The multi-point compression locking mechanism according to claim 1, characterized in that... The length of the first link (6) is greater than the length of the third link (10), and the length of the third link is greater than the length of the second link (8).

3. The multi-point compression locking mechanism according to claim 1, characterized in that... The locking point assembly is a rolling locking point assembly (5). The locking rod (506) of the rolling locking point assembly is Z-shaped. The two sides of the locking rod are respectively provided with Z-shaped side plates (505) of corresponding shape. One end of the side plates on both sides is hinged to the roller (5071) on the top of the fixed seat (507). The other end of the side plates on both sides is respectively hinged to the two sides of one end of the rod connector (504). The other end of the rod connector is hinged to one end of the first connecting rod (6) or the third connecting rod (10). The two ends of the fixed seat and the side plates pass through the first guide (501) and the second guide (502) respectively. The first guide and the second guide are fixedly installed on the cabinet door (2) or the fixed plate (4). The two sides of the fixed seat are respectively provided with the third guide fixedly installed on the cabinet door or the fixed plate. The lock head is a fixed seat and the linkage is a rod connector.

4. The multi-point compression locking mechanism according to claim 3, characterized in that... The locking rod (506) of the rolling locking point assembly (5) has a fixed seat (507) on one side with an inclined surface, and the roller (5071) of the fixed seat slides along the inclined surface of the fixed seat when it is opened.

5. The multi-point compression locking mechanism according to claim 1, characterized in that... The lock body is an external handle lock (3). One end of the external handle (301) of the external handle lock is connected to the external ratchet sleeve (3018) through the external handle seat (302). The external handle, external handle seat, and external ratchet sleeve are integrated. The ratchet ring on the inner wall of the external ratchet sleeve meshes with the outer diameter teeth of the external ratchet (309). When the external handle is reciprocated, it drives the reciprocating external ratchet sleeve to rotate. The external ratchet sleeve drives the external lock shell (3018) to rotate. 03) Rotation of the inner and outer ratchet; one end of the outer square shaft (3010) at the center of the outer ratchet extends out of the outer housing seat (305) at the bottom of the outer lock housing and drives the inner and outer drive gears (3023) of the outer base plate (3012) below the outer lock housing to rotate. The outer drive gear drives the outer driven gear (3024) meshing inside the outer base plate to rotate synchronously. The outer driven gear drives the outer rack (3024) meshing with each other on one side inside the outer base plate to rotate. 13) Move up and down, with one end of the external rack extending out of the external base plate; the external lock housing has external stop blocks (308) symmetrically arranged on one side of the external ratchet, which are respectively abutted against the outer diameter teeth of the external ratchet by external springs (307); between the external stop blocks are external cam blocks (3022) that are driven to rotate and unlock the external stop blocks on both sides by external levers (3021); the external ratchet sleeve is connected to the other end of the external square shaft by external fastening screws (3019); the external lever is located in the external ratchet sleeve in the inner diameter of the lever hole of the external handle seat; one end of the external lever is connected to the lower external cam block by external lock shaft (3015) passing through the external ratchet sleeve; the external ratchet on the external square shaft is limited to the external square shaft hole of the external housing seat; the X-shaped connecting rod assembly can be replaced by two vertical rods on both sides, which are respectively connected to the external racks on both sides of the driven gear.

6. The multi-point compression locking mechanism according to claim 5, characterized in that... One end of the external handle seat (302) is fixedly connected to the external handle (301). The external hinge ears protruding on both sides of the bottom of the other end of the external handle seat are engaged and hinged through the sleeve hole of the external housing seat (305) and the external pin head (3017) protruding on both sides of the outer diameter of the inner and outer ratchet sleeve (3018) of the sleeve hole. The outer diameter of the external threaded sleeve protruding at the bottom of the sleeve hole of the external housing seat is provided with an external locking sleeve (3011). The external housing seat is fixedly installed in the mounting hole of the door panel through the external locking sleeve. At the same time, the external square shaft (3010) is inserted into the square hole of the inner and outer drive gear (3023) of the external base plate (3012) installed at the rear of the door panel. The external drive gear, external driven gear (3024), and external rack (3013) are installed in the external base plate through the external bottom cover (3014).

7. The multi-point compression locking mechanism according to claim 5, characterized in that... The outer lock housing (303) is provided with an outer lock cylinder (304). The rotating shaft at the bottom of the outer lock cylinder is connected to one end of the outer bolt (3016) inside the outer lock housing. The other end of the outer bolt is locked or unlocked by abutting against the outer diameter of the inner and outer ratchet sleeves (3018) of the outer lock housing.

8. The multi-point compression locking mechanism according to claim 5, characterized in that... The external handle base (302) is located in the notch of the opening on one side of the external lock case (303).

9. The multi-point compression locking mechanism according to claim 1, characterized in that... The lock body is a recessed panel lock (11). One end of the recessed handle (1101) of the recessed panel lock is connected to the recessed ratchet sleeve (1111) through the recessed handle seat (1102). The recessed handle, the recessed handle seat, and the recessed ratchet sleeve are integrated and set in the handle groove on one side of the recessed panel (1108). The groove opening of the recessed panel has an outward-curved skirt. The ratchet ring on the inner wall of the recessed ratchet sleeve meshes with the outer diameter teeth of the recessed ratchet (1112). The recessed handle reciprocates. When in motion, the reciprocating sinking ratchet sleeve rotates, which in turn drives the sinking ratchet in the handle groove of the sinking panel to rotate. One end of the sinking square shaft (1113) at the center of the sinking ratchet extends out of the bottom of the sinking panel and drives the sinking gear (1120) in the bottom shell below the sinking panel to rotate. The sinking gear drives the sinking rack (1116) meshing with each other on one side inside the bottom shell to move up and down. One end of the sinking rack extends out of the bottom shell, and the sinking square shaft extending out of the bottom of the bottom shell passes through the sinking second screw (11... 19) Integrated with the sinking gear, the bottom shell is fixedly installed at the bottom of the sinking panel; symmetrical sinking stop blocks (1122) are provided on one side of the sinking ratchet inside the sinking panel, which are respectively abutted against the outer diameter teeth of the sinking ratchet by sinking springs (1121); sinking cam blocks (1123) are provided between the sinking stop blocks, which are driven to rotate and unlock the sinking stop blocks on both sides by sinking levers (1103); the sinking levers are located in the sinking ratchet sleeve within the lever hole of the sinking handle seat; the sinking levers... One end is connected to the lower recessed cam block via a recessed lock shaft (1124) that passes through the recessed ratchet sleeve. The other end of the recessed square shaft is connected to the recessed ratchet sleeve via a recessed first screw (1110). The recessed ratchet is limited to the recessed square shaft hole of the recessed panel and is provided with a recessed gasket (1114). The recessed panel is fixedly installed in the mounting hole of the door panel. The X-shaped connecting rod assembly can be replaced by two top and bottom rods on both sides. The two top and bottom rods are respectively connected to the recessed racks on both sides of the recessed gear.

10. The multi-point compression locking mechanism according to claim 9, characterized in that... One end of the sunken handle seat (1102) is fixedly connected to the sunken handle (1101), and the hinge ears protruding on both sides of the bottom of the other end of the sunken handle seat are engaged and hinged with the sunken pin (1104) that passes through both sides of the outer diameter of the sunken ratchet sleeve. The sunken pin is located above the sunken first screw (1110) inside the sunken ratchet sleeve.

11. The multi-point compression locking mechanism according to claim 9, characterized in that... The recessed panel (1108) has a recessed sub-plate (1106) on one side of the handle groove. The recessed sub-plate has a recessed lock cylinder (1105). The rotating shaft at the bottom of the recessed lock cylinder is connected to one end of the recessed bolt (1107) at the bottom of the recessed sub-plate. The other end of the recessed bolt is engaged with the outer diameter of the recessed ratchet sleeve (1111) in the handle groove of the recessed panel to lock or unlock.

12. The multi-point compression locking mechanism according to claim 11, characterized in that... The bottom of the rotating shaft of the recessed lock cylinder (1105) is aligned with the through hole of the recessed panel (1108) below, and a recessed plug (1115) is provided at the through hole of the recessed panel.

13. The multi-point compression locking mechanism according to claim 9, characterized in that... The bottom shell includes a sunken cover plate (1117) and a sunken bottom plate (1118) arranged on both sides, and a sunken gear (1120) and a sunken rack (1116) are arranged in the gap between the sunken bottom plate and the sunken cover plate.

14. The multi-point compression locking mechanism according to claim 1, characterized in that... The locking point assembly is symmetrically arranged with four locking points on the two side slots (401) of the fixing plate (4) inside the cabinet door (2), or the locking point assembly arranged on one side is omitted, and the first link (6), second link (8), second connector (9) and third link (10) are arranged on the same side.

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