Cabinet door lock

Abstract

The utility model relates to the technical field of locks, in particular to a cabinet door lock which comprises a base, a handle shaft, a lock body, a driving piece, a cover plate and a transmission assembly, a handle is hinged to one end of the handle shaft, the handle shaft and the lock body are arranged at the two ends of the base in the length direction respectively, and the handle shaft is in linkage with the driving piece or one end of the handle shaft is detachably connected with a transmission shaft. When the handle shaft is in linkage with the driving piece, the driving piece is arranged in the base, the cover plate is detachably connected with the lower end face of the base, the driving piece is limited in the base through the cover plate, when the handle shaft is connected with the transmission shaft, the transmission shaft is detachably connected with a spring bolt, the transmission shaft is sleeved with at least one gear, and the gear is meshed with the transmission assembly. The transmission assembly is detachably connected with the lower end face of the base. The transmission assembly is suitable for a sixteen-fold cabinet and a nine-fold cabinet.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a cabinet door lock. Background Art

[0002] In the field of electrical and intelligent centers, 90% or 160% fold cabinets are usually used, and are equipped with cabinet door locks. The 160% fold cabinet usually uses a cabinet door lock as disclosed in patent application number CN202322379668.9, including a base, a handle shaft installed on the base, a handle connected to the handle shaft, a driving member, and a lock body installed on the base. The handle drives the driving member to move through the handle shaft to achieve locking or unlocking. The driving member is connected to a connecting rod in the cabinet door. After unlocking with a key, the driving member drives the connecting rod to move up and down, thereby opening the cabinet door. The 90% fold cabinet usually uses a cabinet door lock as disclosed in patent application number CN202322379668.9. An automated cabinet flat linkage transmission lock disclosed in application number CN201922022824.X comprises a housing, a handle, a tumbler, a lock core, a lock tongue connected to the lock core, and a key for inserting the lock core to rotate the lock tongue. A rotating shaft is provided in the housing, one end of the rotating shaft is connected to the handle, and the other end is connected to the tumbler. A gear is provided on one end of the rotating shaft close to the tumbler, and a first connecting rod and a second connecting rod meshing with the gear are provided on both sides of the gear. The first connecting rod and the second connecting rod are respectively connected to the connecting rods in the cabinet door. After unlocking with the key, the gear drives the first connecting rod and the second connecting rod to move and thus open the cabinet door.

[0003] The locks used for 16-fold cabinets are not applicable to 10-fold cabinets, and the locks applicable to 10-fold cabinets are not applicable to 16-fold cabinets. The locks adapted for both are not universal, which increases the mold opening cost of the lock manufacturers and the locks have the disadvantage of poor universality. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a cabinet door lock suitable for a 16-fold cabinet and a 9-fold cabinet in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cabinet door lock, comprising a base, wherein a handle shaft and a lock body are respectively provided at both ends of the base, a handle is hinged at one end of the handle shaft, a driving member and a cover plate detachably connected to the base are provided in the base, the cover plate restricts the driving member within the base, the handle shaft is linked to the driving member or a transmission shaft is detachably connected to one end of the handle shaft, a lock tongue is detachably connected to the transmission shaft, at least one gear is sleeved on the transmission shaft, a transmission assembly detachably connected to it is installed on the lower end surface of the base, and the gear is meshed with the transmission assembly.

[0006] The utility model with the above-mentioned characteristics: when a driving member linked to the handle shaft is arranged in the base, the cabinet door lock can be suitable for a 16-fold cabinet; when a transmission shaft is arranged on the handle shaft, the cabinet door lock can be suitable for a 9-fold cabinet. By arranging the handle shaft to be detachably connected to the transmission shaft, the handle shaft can be linked to the driving member alone to realize the unlocking of the 16-fold cabinet, and can also be connected to the transmission shaft and then a gear is arranged on the transmission shaft. The rotation of the gear drives the transmission component to realize the unlocking of the 9-fold cabinet. Such a cabinet door lock structure meets two usage requirements and improves the practicality of the cabinet door lock.

[0007] A further configuration of the utility model is: a driving groove for accommodating a driving member is provided in the base, a rack is provided on one end face of the driving member facing the handle shaft, and two fasteners for connecting a connecting rod in the cabinet door are provided on the other end face, a gear portion meshing with the rack is provided on the end of the handle shaft away from the handle, the cover plate is covered on the driving groove, and two waist-shaped grooves are provided on it, and the fasteners pass through the waist-shaped grooves and slide therein.

[0008] The utility model with the above-mentioned features meets the installation requirements of the driving member and the cover plate by arranging the driving groove on the base. When installed on the 16-fold cabinet, it is only necessary to install the driving member and the cover plate on the base, which is convenient for assembly.

[0009] A further arrangement of the utility model is: the transmission shaft includes a plug-in shaft plugged into the handle shaft, a lock tongue shaft detachably connected to the plug-in shaft, the lock tongue sleeve is arranged outside the lock tongue shaft and linked with the lock tongue shaft, a linkage sleeve is sleeved at the connection between the plug-in shaft and the lock tongue shaft, the gear sleeve is arranged outside the linkage sleeve, the transmission assembly includes a transmission seat detachably connected to the base, the transmission shaft passes through the transmission seat, the gear is rotatably arranged in the transmission seat, a first connecting rod and a second connecting rod are slidably connected in the transmission seat, the first connecting rod and the second connecting rod are arranged on both sides of the transmission seat and the gears are meshed at the same time.

[0010] The utility model with the above-mentioned characteristics: the connection structure between the plug-in shaft and the handle shaft adopts plug-in, which is easy to assemble, improves assembly efficiency, and reduces the number of parts used; by arranging a linkage sleeve between the plug-in shaft and the lock tongue shaft, the gear can rotate with the rotation of the handle shaft, and the setting of the linkage sleeve allows the gear and the transmission shaft to be separately set, reducing the production difficulty.

[0011] A further arrangement of the utility model is that: the linkage sleeve is provided with two gears distributed up and down, which are an upper gear and a lower gear respectively; an upper gear groove for accommodating the upper gear and a lower gear groove for accommodating the lower gear are provided at the center of the transmission seat; connecting rod grooves penetrating the transmission seat are provided on both sides of the upper gear groove and the lower gear groove respectively; the connecting rod grooves are arranged along the length direction of the handle; the first connecting rod and the second connecting rod are penetrated in the connecting rod grooves; the connecting rod grooves are communicated with the upper and lower gear grooves; two rows of tooth grooves are provided on the first connecting rod and the second connecting rod respectively mesh with the upper gear and the lower gear.

[0012] The utility model with the above characteristics: two upper and lower gears are provided to improve the degree of meshing between the gears and the first and second connecting rods, so that the gears can better transmit force to the first and second connecting rods, thereby improving the transmission stability of the transmission assembly.

[0013] A further configuration of the utility model is that the linkage sleeve comprises an annular sleeve body, the end face of the annular sleeve body is provided with two symmetrically arranged L-shaped limit blocks, the end of the plug-in shaft or the end of the lock tongue shaft is provided with a square connecting end, the inner wall of the L-shaped limit block is in contact with the outer wall of the connecting end, and a connecting groove which is adapted to the plug-in shaft and the L-shaped limit block is provided at the center of the gear.

[0014] The utility model with the above characteristics: an L-shaped limit block is arranged on the linkage sleeve, and a connecting groove adapted to the L-shaped limit block is arranged in the center of the gear, that is, the connecting groove has an L-shaped inner wall, and the two are connected by plugging to realize the linkage of the linkage sleeve and the gear. The linkage structure is simple and easy to assemble.

[0015] The utility model is further configured as follows: a sealing ring groove surrounding the edge of the base is disposed on the lower end surface of the base, and a double-layer sealing ring is embedded in the sealing ring groove.

[0016] The utility model with the above characteristics improves the sealing performance of the cabinet door lock by embedding a double-layer sealing ring on the lower end surface of the base, so that the waterproof and dustproof grade of the cabinet door lock reaches IP6.

[0017] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model installed on a 9-fold cabinet.

[0019] Figure 2 A is a partial enlarged view.

[0020] Figure 3 This is a schematic structural diagram of the first embodiment of the present utility model.

[0021] Figure 4This is an exploded view of the first embodiment of the present utility model.

[0022] Figure 5 This is an exploded view of the handle shaft and the transmission shaft of the first embodiment of the utility model.

[0023] Figure 6 It is a structural schematic diagram of a linkage sleeve according to an embodiment of the present utility model.

[0024] Figure 7 This is a schematic structural diagram of a gear and a linkage sleeve in a first embodiment of the utility model.

[0025] Figure 8 It is a top view of a transmission base according to a first embodiment of the utility model.

[0026] Fig. 9 It is a bottom view of the transmission base according to the first embodiment of the utility model.

[0027] Fig.10 It is a schematic diagram of the structure of the handle shaft in Embodiments 1 and 2 of the present invention.

[0028] Fig.11 This is a schematic diagram of the structure of the second embodiment of the utility model installed on a 16-fold cabinet.

[0029] Fig.12 This is a partial enlarged view of B.

[0030] Fig.13 This is an exploded view of the second embodiment of the present utility model.

[0031] Fig.14 It is a schematic diagram of the structure of the base in Embodiments 1 and 2 of the present utility model.

[0032] Fig.15 It is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0033] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0034] A cabinet door lock A includes two embodiments, embodiment 1:

[0035] like Figure 1-10As shown in 14, it includes a base 1, a handle shaft 2, a lock body 3, and a transmission assembly 6. A handle 7 is hinged at one end of the handle shaft 2. The handle shaft 2 and the lock body 3 are respectively arranged at two ends in the length direction of the base. The handle shaft 2 includes a hinged portion 21 and a gear portion 22 hinged to the handle. The hinged portion 21 is sleeved with a torsion spring 8 that can cause the handle to bounce up when the lock body is unlocked. A transmission shaft 10 is detachably connected to one end of the handle shaft 2. A lock tongue 67 is detachably connected to the transmission shaft 10. The transmission assembly 6 includes a transmission seat 61 detachably connected to the base 1. The transmission shaft 10 passes through the transmission seat 61. At least one gear 65 is sleeved on the transmission shaft 10. The gear 65 is meshed with the transmission assembly 6. The gear is rotatably arranged in the transmission seat 61. A first connecting rod 62 is slidably connected in the transmission seat 61. The first connecting rod 62 and the second connecting rod 63 are respectively arranged on both sides of the transmission base 61 and meshed with gears at the same time. In this embodiment, two gears 65 distributed up and down are provided, namely an upper gear 651 and a lower gear 652. An upper gear groove 611 for accommodating the upper gear 651 and a lower gear groove 612 for accommodating the lower gear 652 are provided at the center of the transmission base 61. Both sides of the upper gear groove 611 and the lower gear groove 612 are respectively provided with connecting rod grooves 613 that penetrate the transmission base 61. The connecting rod groove 613 is arranged along the length direction of the handle 74. The first connecting rod 62 and the second connecting rod 63 are penetrated in the connecting rod groove 613. The connecting rod groove 613 is connected with the upper and lower gear grooves. Two rows of tooth grooves 66 are provided on the first connecting rod 62 and the second connecting rod 63. The tooth grooves 66 are respectively The transmission shaft 10 comprises a plug-in shaft 101 plugged into the handle shaft 2 and a lock tongue shaft 102 detachably connected to the plug-in shaft 101. The end surface of the gear portion 22 of the handle shaft 2 is provided with a plug-in groove 221 for the plug-in shaft 101 to be plugged in. The end of the lock tongue shaft 102 is penetrated with a fastening screw 30 threadedly connected thereto. The fastening screw 30 penetrates the lock tongue shaft 102 and then penetrates into the plug-in shaft 101 and is threadedly connected thereto. The end of the lock tongue shaft 102 is provided with a socket block 1021 for the lock tongue 67 to be socketed. The lock tongue 67 is connected to the lock tongue shaft 102 through the fastening screw 30. The lock tongue 67 is linked with the lock tongue shaft 102. A linkage sleeve 103 is sleeved at the connection between the plug-in shaft 101 and the lock tongue shaft 102. The gear 65 is sleeved with Outside the linkage sleeve 103, an anti-loosening spring sheet 64 is also sleeved on the linkage sleeve 103. The anti-loosening spring sheet 64 is placed on the upper end surface of the lower gear 652 to prevent the lower gear 652 from loosening. The linkage sleeve 103 includes an annular sleeve body 1031. The end surface of the annular sleeve body 1031 is provided with two symmetrically arranged L-shaped limit blocks 1032. When only one gear is set, the end of the plug-in shaft 101 or the end of the lock tongue shaft 102 is provided with a square connecting end 104. When two gears are set, the end of the plug-in shaft 101 and the end of the lock tongue shaft 102 are both provided with square connecting ends 104. The inner wall of the L-shaped limit block 1032 is in contact with the outer wall of the connecting end 104. A connecting groove 653 that is compatible with the plug-in shaft 101 and the L-shaped limit block 1032 is provided at the center of the gear 65.

[0036] The lower end surface of the base 1 is provided with a sealing ring groove 12 surrounding its edge, and a double-layer sealing ring 9 is embedded in the sealing ring groove 12 .

[0037] The cabinet door lock adopting this embodiment can be applicable to the 9-fold cabinet c.

[0038] Embodiment 2: Figure 10-14 As shown, it includes a base 1, a handle shaft 2, a lock body 3, a driving member 4, and a cover plate 5. A handle 7 is hinged at one end of the handle shaft 2. The handle shaft 2 and the lock body 3 are respectively arranged at both ends in the length direction of the base. The handle shaft 2 includes a hinged portion 21 and a gear portion 22 hinged to the handle. The hinged portion 21 is sleeved with a torsion spring 8 that can cause the handle to bounce up when the lock body is unlocked. A driving groove 11 for accommodating the driving member 4 is provided in the base 1. A rack 41 is provided on one end surface of the driving member 4 facing the handle shaft 2, and two fasteners 42 for connecting the connecting rod in the cabinet door are provided on the other end surface. The gear portion 22 is meshed with the rack 41. The cover plate 5 is covered on the driving groove 11 to limit the driving member in the base. The cover plate 5 and the driving groove are detachably connected by screws. Two waist-shaped grooves 51 are provided on the cover plate. The fasteners 42 pass through the waist-shaped grooves 51 and can slide therein. A sealing ring groove 12 is provided around its edge on the lower end surface of the base 1, and a double-layer sealing ring 9 is embedded in the sealing ring groove 12.

[0039] The cabinet door lock adopting this embodiment can be applicable to the sixteen-fold cabinet b.

[0040] like Fig.15 In actual use, if the 10-fold cabinet needs to be installed with a cabinet door lock, install the transmission shaft to the end of the handle shaft, and assemble the transmission assembly to the lower end surface of the base. If the 16-fold cabinet needs to be installed with a cabinet door lock, remove the transmission shaft and transmission assembly, install the drive part into the base to engage with the handle shaft, and then cover the cover.

Claims

1. A cabinet door lock, comprising a base, a handle shaft, a lock body, a driving member, a cover plate, and a transmission assembly, wherein one end of the handle shaft is hinged with a handle, and the handle shaft and the lock body are arranged at both ends of the base in the length direction, characterized in that: The handle shaft is linked to the driving member or one end of the handle shaft is detachably connected to the transmission shaft. When the handle shaft is linked to the driving member, the driving member is arranged in the base, and the cover plate is detachably connected to the lower end surface of the base. The cover plate restricts the driving member in the base. When the handle shaft is connected to the transmission shaft, a locking tongue is detachably connected to the transmission shaft. At least one gear is sleeved on the transmission shaft, and the gear is meshed with a transmission assembly. The transmission assembly is detachably connected to the lower end surface of the base.

2. A cabinet door lock according to claim 1, characterized in that: A driving groove for accommodating a driving member is provided in the base, a rack is provided on one end face of the driving member facing the handle shaft, and two fasteners for connecting a connecting rod in the cabinet door are provided on the other end face, a gear portion meshing with the rack is provided on the end of the handle shaft away from the handle, the cover plate is arranged on the driving groove, and two waist-shaped grooves are provided on it, and the fasteners pass through the waist-shaped grooves and slide therein.

3. A cabinet door lock according to claim 1 or 2, characterized in that: The transmission shaft includes a plug-in shaft plugged into the handle shaft, a lock tongue shaft detachably connected to the plug-in shaft, the lock tongue sleeve is arranged outside the lock tongue shaft and linked with the lock tongue shaft, a linkage sleeve is sleeved at the connection between the plug-in shaft and the lock tongue shaft, the gear sleeve is arranged outside the linkage sleeve, the transmission assembly includes a transmission seat detachably connected to the base, the transmission shaft passes through the transmission seat, the gear is rotatably arranged in the transmission seat, the first connecting rod and the second connecting rod are slidably connected in the transmission seat, the first connecting rod and the second connecting rod are arranged on both sides of the transmission seat and the gears are meshed at the same time.

4. A cabinet door lock according to claim 3, characterized in that: The linkage sleeve is provided with two gears distributed up and down, which are an upper gear and a lower gear respectively. An upper gear groove for accommodating the upper gear and a lower gear groove for accommodating the lower gear are provided at the center of the transmission seat. Connecting rod grooves penetrating the transmission seat are provided on both sides of the upper gear groove and the lower gear groove respectively. The connecting rod groove is arranged along the length direction of the handle. The first connecting rod and the second connecting rod are penetrated in the connecting rod groove. The connecting rod groove is connected with the upper and lower gear grooves. Two rows of tooth grooves are provided on the first connecting rod and the second connecting rod, and the tooth grooves are respectively meshed with the upper gear and the lower gear.

5. A cabinet door lock according to claim 3, characterized in that: The linkage sleeve includes an annular sleeve body, the end face of which is provided with two symmetrically arranged L-shaped limit blocks, the end of the plug-in shaft or the end of the lock tongue shaft is provided with a square connecting end, the inner wall of the L-shaped limit block is in contact with the outer wall of the connecting end, and a connecting groove that is adapted to the plug-in shaft and the L-shaped limit block is provided at the center of the gear.

6. A cabinet door lock according to claim 1, characterized in that: The lower end surface of the base is provided with a sealing ring groove surrounding its edge, and a double-layer sealing ring is embedded in the sealing ring groove.

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