Connecting rod connecting mechanism of cabinet door lock and cabinet door lock

Abstract

The utility model relates to a connecting rod connecting mechanism of a cabinet door lock and the cabinet door lock, the connecting rod connecting mechanism comprises a main lock connecting rod which is provided with a rack part and is in a batten shape and a heaven and earth connecting rod which is connected to the main lock connecting rod, and a connecting component which is connected with the main lock connecting rod and the heaven and earth connecting rod is arranged between one end of the main lock connecting rod and the heaven and earth connecting rod. The connecting component forms a main lock connecting rod and a heaven and earth connecting rod, the main lock connecting rod and the heaven and earth connecting rod can be in telescopic adjustment fit in the axial direction and are locked after telescopic adjustment is completed, the connecting component comprises a base body, and the base body is provided with a first connecting plate matched with the main lock connecting rod and a second connecting part connected with the heaven and earth connecting rod. The device has an adjustable function, and realizes reliable unlocking and locking control of a locking point.

Description

TECHNICAL FIELD

[0001] The utility model relates to lock technology field, be exact is the connecting mechanism for connecting rod connection to transmission rod in cabinet door locking system. BACKGROUND

[0002] As Figure 3 As shown in the prior art, a cabinet door locking system adopts the setting of connecting multiple locking points through the main lock and the heaven and earth connecting rod mechanism, the connecting rod on the main lock is a flat strip with a transmission tooth hole due to the need of driving, and a flat connecting lug is formed at the end of the heaven and earth connecting rod to connect the connecting rod on the main lock, and then a fastener (such as a screw and a nut) is used to realize fixed connection; under the prior connecting rod connecting structure, the connecting point is fixed, and due to machining or assembly errors, etc., there is a lack of coordination between the main lock and the locking point in the use process, which leads to the phenomenon that the locking point on the heaven and earth connecting rod cannot be locked in place in the existing cabinet door locking system. SUMMARY

[0003] The utility model discloses a connecting rod connecting mechanism of cabinet door lock with adjustable function, which realizes reliable opening and closing control of the locking point.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A connecting rod connecting mechanism of a cabinet door lock, comprising a main lock connecting rod having a rack portion and being in the form of a strip, and a heaven and earth connecting rod connected to the main lock connecting rod, characterized in that: a connecting member for connecting the main lock connecting rod and the heaven and earth connecting rod is arranged between one end of the main lock connecting rod and the heaven and earth connecting rod, the connecting member is configured to adjust and cooperate with the main lock connecting rod and the heaven and earth connecting rod in the axial direction and lock them after the adjustment is completed, and the connecting member comprises a base body, a first connecting plate adapted to the main lock connecting rod is arranged on the base body, and a second connecting portion connected to the heaven and earth connecting rod is arranged on the base body.

[0006] Preferably, the first connecting plate is fixedly connected to the main lock connecting rod, a connecting hole is arranged on the second connecting portion in the axial direction of the heaven and earth connecting rod, a connecting screw is arranged on the heaven and earth connecting rod in the axial direction, the connecting screw passes through the connecting hole and can slide and adjust in the axial direction of the connecting hole, a first positioning clamping nut and a second positioning clamping nut are arranged on the connecting screw and located at both ends of the connecting hole, the first positioning clamping nut and the second positioning clamping nut are clamped and fixed on the second connecting portion, and the heaven and earth connecting rod is locked on the second connecting portion.

[0007] Preferably, flat washers are arranged between the first positioning clamping nut and the second connecting portion and between the second positioning clamping nut and the second connecting portion, and spring washers are arranged between the first positioning clamping nut and the flat washer and between the second positioning clamping nut and the flat washer.

[0008] Preferably, the first connecting plate is provided with at least two clamping hole grooves arranged along the length direction of the main lock connecting rod, the clamping hole grooves have assembly openings penetrating the lateral direction of the first connecting plate, the main lock connecting rod is provided with clamping shafts corresponding to the clamping hole grooves, the clamping shafts are clamped into the clamping hole grooves along the assembly openings, one end of the clamping shafts in the axial direction is a fixed end head fixed on the main lock connecting rod, the other end of the clamping shafts in the axial direction is a threaded rod portion penetrating the clamping hole grooves and provided with external threads, and a fastening nut for locking the main lock connecting rod on the first connecting plate is threadedly screwed on the threaded rod portion.

[0009] Preferably, the base body comprises a bottom plate extending along the length direction of the main lock connecting rod, the second connecting portion is a plate-shaped portion vertically arranged at one end of the length direction of the bottom plate, the first connecting plate is vertically arranged at one side of the width direction of the bottom plate, a side plate is arranged at the other side of the width direction of the bottom plate opposite to the first connecting plate, an end plate corresponding to one end of the second connecting portion opposite to the length direction of the bottom plate is connected to the end portion of the side plate, the end plate is provided with an avoiding hole through which the main lock connecting rod and the connecting screw rod pass, and a protection cavity is formed by the bottom plate, the side plate, the end plate, the first connecting plate and the second connecting portion, and the connecting screw rod and the main lock connecting rod are arranged in the protection cavity.

[0010] Preferably, the first connecting plate end portion and the second connecting portion, and the side plate end portion and the second connecting portion both have an operation interval for providing a screw positioning and clamping nut.

[0011] The utility model discloses still disclosed a kind of cabinet door locks with adjustable function realization locking point opening and closing lock control reliable, including main lock, main lock includes lock body, handle and drive mechanism, handle is installed on lock body by pivot, handle is connected by pivot with drive mechanism, the drive mechanism includes two main lock connecting rods, main lock connecting rod is drivingly connected with heaven and earth connecting rod, locking device is installed on heaven and earth connecting rod, the connecting member of main lock connecting rod and heaven and earth connecting rod is arranged between one end of main lock connecting rod and heaven and earth connecting rod, and this connecting member constitutes that main lock connecting rod and heaven and earth connecting rod are adjusted and cooperated along axial telescopic and locked after telescopic adjustment is completed, and connecting member includes base body, base body is provided with first connecting plate adapted with main lock connecting rod and second connecting portion connected with heaven and earth connecting rod.

[0012] By adopting the technical scheme, the connecting member is connected between the main lock connecting rod and the heaven-earth connecting rod, the connecting place of the main lock connecting rod and the heaven-earth connecting rod is realized to be adjustable, the transmission coordination of the main lock connecting rod and the heaven-earth connecting rod on the main lock body is adjusted, the locking point on the heaven-earth connecting rod is ensured to be consistent with the main lock action, the opening and closing locking operation is ensured to be reliable, the adjustable operation is realized through the connecting member, flexible design is facilitated, and the modification of the main lock connecting rod is reduced. When the installation and adjustment are performed, the two positioning clamping nuts are loosened from the second connecting part, the connecting screw rod of the heaven-earth connecting rod is axially pulled to complete the adjustment, the preliminary positioning of the required adjustment position is realized according to the position of one of the positioning clamping nuts on the connecting screw rod in the adjustment process, the simple and convenient and accurate adjustment operation is realized according to the positioning of the positioning clamping nut through the thread, the connecting screw rod is locked on the second connecting part after the adjustment is completed by screwing the positioning clamping nut to press on the second connecting part. The connecting member is in a box shape as a whole, specifically, the protective concave cavity is surrounded by the bottom plate, the side plate, the end plate, the first connecting plate and the second connecting part, the connecting screw rod and the main lock connecting rod are realized to be contained, and the overall appearance is clean and beautiful.

[0013] The utility model will be further described below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model cabinet door lock;

[0015] Figure 2 It is the connecting rod connecting mechanism explosion view of the utility model cabinet door lock;

[0016] Figure 3 It is the structure schematic diagram of the utility model connecting member main part;

[0017] Figure 4 It is the prior art structure schematic diagram. DETAILED DESCRIPTION

[0018] Referring to the drawings Figures 1-3The utility model discloses a kind of connecting rod connecting mechanisms of cabinet door lock, connecting rod connecting mechanism is configured on cabinet door lock, cabinet door lock includes main lock 4, main lock 4 includes lock body 41, handle (in the figure is blocked, invisible) and driving mechanism, handle is installed on lock body 41 by pivot, handle is connected with driving mechanism by pivot, driving mechanism is the conventional technology of cabinet door lock, so its specific structure is no longer tedious, the driving mechanism includes two main lock connecting rods 1, main lock connecting rod 1 is drivingly connected with heaven and earth connecting rod 2, locking device 5 is installed on heaven and earth connecting rod 2, connecting rod connecting mechanism includes main lock connecting rod 1 with rack portion 11 and present strip-shaped, and heaven and earth connecting rod 2 is connected on main lock connecting rod 1, rack portion 11 of main lock connecting rod 1 and the driving gear in the driving mechanism on main lock 4 are engaged, locking point constituted by the arrangement locking device 5 on heaven and earth connecting rod 2, main lock connecting rod 1 can pull heaven and earth connecting rod 2 and drive locking point action, for changing the inaccuracy of action coordination caused by the direct fixed connection of traditional main lock connecting rod 1 and heaven and earth connecting rod 2 (such as Figure 4 As shown), main lock connecting rod 1 one end and heaven and earth connecting rod 2 between being equipped with the connecting member 3 of connecting main lock connecting rod 1 and heaven and earth connecting rod 2, the connecting member 3 constitutes main lock connecting rod 1 and heaven and earth connecting rod 2 present and can be adjusted along axial telescopic cooperation and after telescopic adjustment is completed lock solid, connecting member 3 includes base body 30, base body 30 is equipped with the first connecting plate 31 of adapting with main lock connecting rod 1 and the second connecting portion 32 of being connected with heaven and earth connecting rod 2. Thus realize main lock connecting rod 1 and heaven and earth connecting rod 2 connecting member 3 connection after, telescopic adjustment when in connecting, realize main lock 1 and the action coordination of locking point on heaven and earth connecting rod 2 after adjustment, guarantee lockset use reliable, facilitate assembly and processing simultaneously.

[0019] To realize convenient and reliable adjustment operation, the first connecting plate 31 is fixedly connected with the main lock connecting rod 1, the second connecting part 32 is provided with a connecting hole 321 which is axially arranged on the heaven-earth connecting rod 2, the connecting screw rod 21 axially extends on the heaven-earth connecting rod 2, the connecting screw rod 21 passes through the connecting hole 321 and can axially slide and adjust, the first positioning clamping nut 33 and the second positioning clamping nut 34 which are separately arranged at both ends of the connecting hole 321 are installed on the connecting screw rod 21, and the first positioning clamping nut 33 and the second positioning clamping nut 34 are clamped and fixed on the second connecting part 32, thereby forming that the heaven-earth connecting rod 2 is locked on the second connecting part 32. The first connecting plate 31 is fixedly connected with the main lock connecting rod 1, the telescopic adjustment of the main lock connecting rod 1 and the heaven-earth connecting rod 2 is realized by cooperation of the connecting screw rod 21 on the heaven-earth connecting rod 2 and the connecting hole 321 on the second connecting part 32, when installation and adjustment, the two positioning clamping nuts (the first positioning clamping nut and the second positioning clamping nut) are loosened to release the second connecting part 32, the connecting screw rod 21 of the heaven-earth connecting rod 2 is axially pulled to complete adjustment, in the adjustment process, the preliminary positioning of the required adjustment position can be realized by relying on the position of one of the positioning clamping nuts on the connecting screw rod, and the simple and convenient and accurate adjustment operation is realized by relying on the positioning of the positioning clamping nut through the thread; after the adjustment is completed, the positioning clamping nut is screwed to be pressed on the second connecting part, so that the connecting screw rod 21 is locked on the second connecting part; the adjustment operation is convenient, and the stable and reliable transmission is ensured. To facilitate locking and protection, the flat gasket 35 is matched at the first positioning clamping nut 33 and the second positioning clamping nut 34 to realize protection, the flat gasket 35 is in contact with the second connecting part 32, the spring washer 36 is arranged between the first positioning clamping nut 33 and the flat gasket 35 and between the second positioning clamping nut 34 and the flat gasket 35, the spring washer 36 provides elastic force, provides locking force of the positioning clamping nut, avoids loosening of the positioning clamping nut, and ensures stable and reliable transmission. Under the guidance of the utility model, those skilled in the art can make corresponding variant schemes in combination with the prior art, for example, a long strip hole or a plurality of gear holes can be adopted to cooperate with the locking of the nut bolt to realize adjustment; or the nut cooperating with the screw rod is rotated to realize telescopic adjustment of the screw rod driven by the rotation of the nut; or the adjustable part can be telescopic adjustment design of the transmission member itself; or the main lock connecting rod and the connecting member are designed to be adjustable, and the like.

[0020] For further convenient assembly, the first connecting plate 31 is provided with at least two clamping hole grooves 311 arranged along the length direction of the main lock connecting rod 1, the clamping hole groove 311 has an assembly opening 3111 penetrating the lateral direction of the first connecting plate, the main lock connecting rod 1 is provided with a clamping shaft 37 corresponding to the clamping hole groove 311, the clamping shaft 37 is clamped into the clamping hole groove 311 along the assembly opening 3111, one end of the clamping shaft 37 in the axial direction is a fixed end head fixed on the main lock connecting rod 1, the clamping shaft 37 can be fixed by a T-shaped shaft, which is press-fitted into the shaft hole of the main lock connecting rod, of course, other fixing methods such as welding, clamping spring, retaining pin, riveting, etc. can also be used, the other end of the clamping shaft 37 in the axial direction is a threaded rod part 371 penetrating the clamping hole groove 311 and provided with external threads, the threaded rod part 371 is screwed with a fastening nut 38 for locking the main lock connecting rod 1 on the first connecting plate 31. When disassembling, only the fastening nut 38 needs to be loosened, and the clamping shaft can be pulled out and clamped into the clamping hole groove along the radial direction, which is simple and convenient to operate.

[0021] In this part, the structure of the connection is complicated under the adjustable design, therefore, in order to ensure reliable and convenient assembly and use, the structure of the connecting member is optimized and designed, specifically: the base body 30 includes a bottom plate 300 extending along the length direction of the main lock connecting rod 1, the second connecting part 32 is a plate-shaped structure vertically arranged at one end of the length direction of the bottom plate 300, the first connecting plate 31 is vertically arranged at one side of the width direction of the bottom plate 300, the other side of the width direction of the bottom plate 300 opposite to the first connecting plate 31 is provided with a side plate 301, that is, the first connecting plate 31 and the side plate 301 are oppositely arranged, the end plate 302 corresponding to the end of the bottom plate 300 opposite to the second connecting part 32 is connected to the end of the side plate 301, the end plate 302 is provided with an avoiding hole 3021 through which the main lock connecting rod 1 and the connecting screw rod 21 can pass, the avoiding hole 3021 can be shaped as a groove-shaped part matched with the main lock connecting rod and a hole-shaped part matched with the connecting screw rod, so that the avoiding hole has a certain positioning effect, under this design, the connecting member is in a box shape, and a protective cavity I is formed by the bottom plate 300, the side plate 301, the end plate 302, the first connecting plate 31 and the second connecting part 32, and the connecting screw rod 32 and the main lock connecting rod 1 are arranged in the protective cavity I. The box-shaped connecting member realizes the accommodation and protection of the connecting screw rod and the main lock connecting rod, so that the appearance of this part is neat and convenient to install.

[0022] Under this design, the positioning and clamping nut 34 is located in the protective cavity, although it can be screwed through the opening of the protective cavity, but the operation space is too small, therefore, the operation interval 303 for screwing and positioning the clamping nut is provided between the end of the first connecting plate 31 and the second connecting part 32, and between the end of the side plate 302 and the second connecting part 32.

Claims

1. A connecting mechanism of a cabinet door lock, comprising a main lock link having a rack portion and being in the form of a slat, and a top-and-bottom link connected to the main lock link, characterized in that: The main lock connecting rod one end and the heaven and earth connecting rod are provided with a connecting member connecting the main lock connecting rod and the heaven and earth connecting rod, which is connected with the main lock connecting rod and the heaven and earth connecting rod in an axial telescopic adjustment mode and is locked after telescopic adjustment is completed.

2. The linkage connection mechanism of the cabinet door lock according to claim 1, characterized in that: The first connecting plate is fixedly connected with the main lock connecting rod, and the second connecting part is provided with a connecting hole opened along the axis of the heaven and earth connecting rod. The connecting screw rod is extended along the axis of the heaven and earth connecting rod, passes through the connecting hole and can be axially adjusted along the connecting hole. The first positioning clamping nut and the second positioning clamping nut are arranged at the two ends of the connecting hole and are clamped and fixed on the second connecting part through the first positioning clamping nut and the second positioning clamping nut, so that the heaven and earth connecting rod is locked on the second connecting part.

3. The linkage connection mechanism of the cabinet door lock according to claim 2, characterized in that: Flat washers are arranged between the first positioning clamping nut and the second connecting part and between the second positioning clamping nut and the second connecting part.

4. The linkage connection mechanism of the cabinet door lock of claim 2, wherein: The first connecting plate is provided with at least two clamping hole grooves arranged along the length direction of the main lock connecting rod. The clamping hole grooves have assembly openings penetrating the lateral direction of the first connecting plate. The main lock connecting rod is provided with clamping shafts corresponding to the clamping hole grooves. The clamping shafts are clamped into the clamping hole grooves along the assembly openings. The clamping shafts have fixed end heads fixed on the main lock connecting rod at one end in the axial direction. The clamping shafts have threaded rod portions with external threads at the other end in the axial direction. The threaded rod portions are screwed with fastening nuts locking the main lock connecting rod on the first connecting plate.

5. A linkage connection mechanism for a cabinet door lock according to claim 2 or 4, wherein: The base body includes a bottom plate extending along the length direction of the main lock connecting rod. The second connecting part is a plate-shaped part erected at one end of the length direction of the bottom plate. The first connecting plate is erected on one side of the width direction of the bottom plate. The other side of the width direction of the bottom plate opposite to the first connecting plate is provided with a side plate. The end plate corresponding to the other end of the second connecting part opposite to the length direction of the bottom plate is connected to the end of the side plate. The end plate is provided with an avoiding hole through which the main lock connecting rod and the connecting screw rod pass. The bottom plate, the side plate, the end plate, the first connecting plate and the second connecting part form a protective recess. The connecting screw rod and the main lock connecting rod are arranged in the protective recess.

6. The linkage connection mechanism of the cabinet door lock of claim 5, wherein: The first connecting plate end and the second connecting part, and the side plate end and the second connecting part have an operation interval for screwing the positioning clamping nut.

7. A cabinet door lock comprising a main lock, the main lock comprising a lock body, a handle and a driving mechanism, the handle being pivotally mounted on the lock body and being pivotally connected to the driving mechanism, the driving mechanism comprising two main lock links, the main lock links being drivingly connected to a top-bottom link, and a locking device being mounted on the top-bottom link, characterized in that: The main lock connecting rod and the heaven and earth connecting rod are connected through the connecting rod connecting mechanism of any one of claims 1-6.

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