CN210976959U - Disc connecting rod lock - Google Patents

Abstract

The utility model relates to a disc link lock is to the disc lock subassembly design that lacks the dress outward to current like product, and the production assembly is inconvenient to and thereby connecting rod or guide bar easily deform and lead to the technical problem design of card shell. The connecting rod lock comprises a disc lock assembly and a transmission box assembly, wherein an upper shell and a lower shell of the transmission box assembly form a shell through riveting at a screw mounting hole; the disc lock assembly is characterized in that a lock cylinder shell at the bottom of a knob switch in the disc lock assembly, a square shaft and the knob switch are connected into a whole, a lock cylinder is arranged in the middle of the knob switch, the extending end of a lock cylinder shell of the knob switch is fixedly arranged in a circular groove of a disc base through a clamp spring retainer ring, a base latch hole is arranged on one side of a lock cylinder hole of the disc base, a lock head on one side of the lock cylinder in the lock cylinder shell is connected with a latch, and the latch extends out of the lock cylinder latch hole of the lock cylinder shell and the base latch hole of the; a bending section is arranged between the tooth mouth end and the riveting end of the rack in the transmission box assembly, and the rack extending out of the shell is bent towards one side of the gear axis of the inner side respectively.

Description

Disc connecting rod lock

Technical Field

The utility model relates to a link lock, in particular to a disc link lock.

Background

The connecting rod lock is a metal cabinet door used in the industries of telecommunication, electric power, automatic control manufacturing and the like, locks a metal plate type cabinet frame or a cover lock similar to a door frame or a box frame through a connecting rod (a top and bottom rod), and comprises a formed connecting rod, such as a flat rod, which is parallel to the door edge and basically erected on the door or the frame; the door lock also comprises at least one positioning piece arranged on the door frame or the door and used for connecting the connecting rod when the door is locked at the closing position; and an operating device of a link connected with the door panel. Some existing link locks are provided with a disc structure, such as application number 201320149237.7 disclosed in chinese patent literature, publication date 2013.08.07, and utility model name "battery box locking mechanism for electric commercial vehicle"; further, as disclosed in chinese patent document, application No. 201810667852.4, application publication No. 2018.11.13, entitled "link lock and financial self-service terminal". However, the connecting rod lock and the traditional similar connecting rod lock are locked by directly installing the top and bottom connecting rods on the rear connecting bridge plate, forming a certain angle, and forcibly twisting and deforming the top and bottom connecting rods by the guide positioning pieces above and below the cabinet door to be guided into the holes; when the world pole diameter becomes thick and when shortening, because world pole and knob central line have the contained angle, can lead to world pole can't stretch out in restraint direction setting element department, also restricted user's cabinet door height dimension simultaneously, connecting rod length also can reduce about the cabinet door height reduces, and the guide bar is more difficult to warp like this and is leading-in, has restricted the use of lock on small-size cabinet door.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a disc connecting rod lock for the field, which solves the technical problems that the prior like products lack the design of a disc lock assembly with an external shell, the production and assembly are inconvenient, and a connecting rod or a guide rod is easy to deform to cause the clamping shell. The purpose is realized by the following technical scheme.

A disc connecting rod lock comprises a disc lock assembly and a transmission box assembly, wherein an upper shell and a lower shell of the transmission box assembly form a shell through riveting at a screw mounting hole; the rotary knob lock assembly is structurally characterized in that a square shaft is arranged at the bottom of a rotary knob switch of the disc lock assembly, the square shaft is inserted into an axle center square hole of a gear in a shell through a disc base and an upper shell, a screw is connected with the square shaft, the square shaft and the rotary knob switch are connected into a whole, and the rotary knob switch is fixedly arranged in a circular groove of the disc base through a clamp spring retaining ring. Therefore, the gear in the transmission box component can be driven to rotate through the knob switch in the disc base, and then the racks on the two sides are driven to horizontally move.

The knob switch of the disc lock assembly is T-shaped, and the arc-shaped edge at the transverse top of the knob switch is attached to the inner wall of the circular groove of the disc base. The knob switch has the specific structure of the embodiment, so that the operation of the knob switch is more comfortable.

The middle of the knob switch is provided with a lock cylinder, the lock cylinder is arranged in a lock cylinder shell protruding from the bottom of the knob switch, a square shaft is arranged at the bottom of the lock cylinder shell, the square shaft and the knob switch are connected into a whole, the extending end of a lock cylinder shell of the knob switch is fixedly arranged in a circular groove of a disc base through a clamp spring retaining ring, a base latch hole is arranged on one side of the lock cylinder hole of the disc base, a lock cylinder latch hole is arranged on one side of the lock cylinder shell, one end of the latch is connected with a lock head on one side of the lock cylinder, and the other end of the latch extends out of the lock cylinder latch hole of the lock cylinder shell. The embodiment structure of the knob switch is selected to be used after the knob switch is opened through the lock cylinder.

A bending section is arranged between the tooth mouth end and the riveting end of the rack in the transmission box assembly, and the rack riveting end extending out of the shell is bent towards one side of the gear axis of the inner side respectively. The structure prevents the occurrence of deformation between the rack and the connecting rod and the occurrence of the problem of inaccurate alignment.

And the convex surfaces on two sides of the tooth mouth end of the rack are respectively provided with a guide groove, and the guide grooves are buckled with the guide ribs on the inner sides of the upper shell and the lower shell. The structure further stabilizes the moving stroke of the rack.

The riveting end of rack is equipped with the limit pole groove, and one side in limit pole groove is equipped with bellied post muscle, and the end in limit pole groove is equipped with the riveting hole. The structure is convenient for the connection, fixation and installation between the rack and the connecting rod.

The utility model has reasonable structural design, convenient installation, production and use, good stability and firmness and long service life; the connecting rod lock is suitable for being used as a connecting rod lock of a cabinet door and is suitable for improving the structure of the similar products.

Drawings

Fig. 1 is a schematic view of the disk lock assembly and the transmission case assembly of the present invention in a separated state.

Fig. 2 is a schematic view of the usage state structure of fig. 1, and an arrow in the figure indicates a mechanism operation direction.

Fig. 3 is a schematic diagram of the exploded structure of fig. 1.

Fig. 4 is a schematic view of a modified structure of fig. 2.

Figure number and name: 1. disc lock subassembly, 101, lock core, 102, knob switch, 1021, square shaft, 1022, lock core shell, 103, disc base, 104, bolt, 105, jump ring retaining ring, 2, transmission case subassembly, 201, upper housing, 202, gear, 203, rack, 2031, guide way, 204, lower housing, 3, screw, 4, screw.

Detailed Description

The structure of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-3, the link lock comprises a disc lock assembly 1 and a transmission case assembly 2, wherein an upper case 201 and a lower case 204 of the transmission case assembly form a case through riveting at mounting holes of screws 4, a gear 202 is arranged at the center in the case, the gear is meshed with racks 203 symmetrically arranged at two sides in the case, and the racks respectively extend out of two sides of the case and are respectively connected with a link. The concrete structure is as follows: the bottom of a knob switch 102 of the disc lock assembly is provided with a lock cylinder shell 1022, the bottom of the lock cylinder shell is provided with a square shaft 1021, the lock cylinder shell, the square shaft and the knob switch are connected into a whole, the middle of the knob switch 102 is provided with a lock cylinder 101, and the lock cylinder is arranged in the lock cylinder shell protruding from the bottom of the knob switch; the knob switch is T-shaped, and the arc edge at the transverse top of the knob switch is attached to the inner wall of the circular groove of the disc base 103. The lock core casing of knob switch stretches out the end and passes through jump ring retaining ring 105 fixed the setting in the circular slot of disc base, and lock core hole one side of disc base is equipped with the base bolt hole, and lock core casing one side of lock core shell is equipped with the lock core bolt hole, and the one end of bolt 104 is connected with the tapered end of lock core one side, and the other end of bolt stretches out the lock core bolt hole of lock core shell and the base bolt hole of disc base. A bending section is arranged between the tooth port end and the riveting end of the rack in the transmission box assembly, and the rack riveting end extending out of the shell is bent towards one side of the axis of the gear on the inner side respectively; the convex surfaces at two sides of the tooth mouth end of the rack are respectively provided with a guide groove 2031 which is buckled with the guide ribs at the inner sides of the upper shell and the lower shell; the riveting end of rack is equipped with the limit pole groove, and one side in limit pole groove is equipped with bellied post muscle, and the end in limit pole groove is equipped with the riveting hole.

The lock core of the disc lock assembly is assembled in the lock core shell of the knob switch, the knob switch matched with the lock core is assembled in the circular groove of the disc base, then a lock head on one side of the lock core is aligned with the lock core bolt hole of the lock core shell and the base bolt hole of the disc base at the same time, the bolt is inserted into the lock core bolt hole of the lock core shell and the base bolt hole of the disc base to be matched with the lock head boss of the lock core, and then the lock core shell extending out of the disc base is buckled through the clamp spring retainer ring, and the knob switch is fixed on the disc base; the transmission case subassembly is formed by lower casing, gear, rack, lower casing through the riveting of screw mounting hole department, and in gear and rack were fixed in the casing, the square shaft of knob switch bottom inserted the centre bore and the screw equipment of casing formed. The disc lock assembly is arranged in a mounting hole in the outer side of the door plate, the transmission box assembly is arranged in a mounting hole in the inner side of the door plate, the disc lock assembly and the transmission box assembly on the two sides of the door plate are fixedly mounted on the door plate through screws in the mounting holes, the square shaft of the knob switch penetrates through the door plate to be inserted into the transmission box assembly and is connected with the screws, and the racks on the two sides of the shell are connected with the connecting rod and are mounted.

After the connecting rod lock is installed on a cabinet door, the connecting rod lock is rotated by 0-180 degrees to be opened and closed through a knob switch, wherein clockwise opening is performed, and anticlockwise closing is performed; when the knob anticlockwise rotated to 0 degree locking cabinet door, the knob switch was locked to the rethread key to realize theftproof locking function, no key opened knob switch promptly, knob switch will unable the rotation, thereby unable opening cabinet door.

According to the above structural features, as shown in fig. 4, the link lock may also adopt the following structure: the bottom of a knob switch of the disc lock assembly is provided with a square shaft, the square shaft is inserted into an axle center square hole of a gear in a shell through a disc base and an upper shell, a screw is connected with the square shaft, the square shaft and the knob switch are connected into a whole, and the knob switch is fixedly arranged in a circular groove of the disc base through a clamp spring retainer ring. The knob switch of the disc lock assembly is assembled on the disc base, and the knob switch extending out of the disc base fixes the knob switch in the circular groove of the disc base through the clamp spring retainer ring; the transmission case subassembly is formed by lower casing, gear, rack, lower casing through the riveting of screw mounting hole department, and in gear and rack were fixed in the casing, the square shaft of knob switch bottom inserted the centre bore and the screw equipment of casing formed. The disc lock assembly is arranged in a mounting hole in the outer side of the door plate, the transmission box assembly is arranged in a mounting hole in the inner side of the door plate, the disc lock assembly and the transmission box assembly on the two sides of the door plate are fixedly mounted on the door plate through screws in the mounting holes, the square shaft of the knob switch penetrates through the door plate to be inserted into the transmission box assembly and is connected with the screws, and the racks on the two sides of the shell are connected with the connecting rod and are mounted.

In summary, the connecting rod lock relates to cabinet doors of electric, medical and tool cabinets and the like, and is a disc connecting rod lock taking a lock cylinder as a rotating shaft and adopting gear transmission as a guide. The connecting rod lock is a disc connecting rod lock which takes the knob as the center and is arranged on the same axis with the knob, the diameter of the top and bottom rods is increased, the smoothness of the switch lock is not affected, the locking function is realized, and the matching range of the height and the size of the cabinet door is larger.

Claims (6)

1. A disc connecting rod lock comprises a disc lock assembly (1) and a transmission box assembly (2), wherein an upper shell (201) and a lower shell (204) of the transmission box assembly are riveted at mounting holes of screws (4) to form the shells, a gear (202) is arranged in the center of each shell and is meshed with racks (203) symmetrically arranged on two sides in each shell, and the racks respectively extend out of two sides of each shell and are respectively connected with a connecting rod; the disc lock assembly is characterized in that a square shaft (1021) is arranged at the bottom of a knob switch (102) of the disc lock assembly (1), the square shaft is inserted into an axis square hole of a shell internal gear (202) through a disc base (103) and an upper shell (201), a screw (3) is connected with the square shaft, the square shaft and the knob switch are connected into a whole, and the knob switch is fixedly arranged in a circular groove of the disc base through a clamp spring retainer ring (105).

2. A disc link lock according to claim 1, characterised in that the knob switch (102) of the disc lock assembly (1) is T-shaped with a transverse top arcuate edge which abuts the inner wall of the circular slot of the disc base (103).

3. The disc link lock according to claim 1, wherein the knob switch (102) is provided at the center thereof with a lock cylinder (101) disposed in a lock cylinder housing (1022) protruding from the bottom of the knob switch, the square shaft (1021) is disposed at the bottom of the lock cylinder housing, the square shaft and the knob switch are integrally connected, the lock cylinder housing extension end of the knob switch is fixedly disposed in the circular groove of the disc base (103) through the snap spring retainer ring (105), the base latch hole is disposed at one side of the lock cylinder hole of the disc base, the lock cylinder housing side of the lock cylinder housing is provided with a lock cylinder latch hole, one end of the latch (104) is connected to the lock head at one side of the lock cylinder, and the other end of the latch extends out of the lock cylinder latch hole of the lock cylinder housing and the base latch hole of the disc base.

4. The disc link lock according to claim 1, characterized in that a curved section is provided between the tooth mouth end and the riveting end of the rack (203) in the gearbox assembly (2), and the riveting end of the rack protruding out of the housing is curved to the side of the axis of the inner gear (202).

5. The disc link lock according to claim 4, wherein the rack (203) has guide grooves (2031) on both sides of the tooth end, and the guide grooves are engaged with the guide ribs on the inner sides of the upper and lower cases (201, 204).

6. The disc link lock of claim 5, wherein the riveting end of the rack (203) is provided with a side bar groove, one side of the side bar groove is provided with a raised stud, and the end of the side bar groove is provided with a riveting hole.

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