CN212201670U - Knob door lock device driven by gear plate - Google Patents

Abstract

The utility model provides a knob door lock device driven by a gear plate, which is used for a switch cabinet and is provided with a press-riveting bent plate used for fixing a door lock; the end position of the lock core of the door lock is provided with a gear plate, the teeth of the gear plate are meshed with a plurality of equidistant rectangular small holes on the door lock propelling mechanism, and when the door lock rotates for a certain angle, the corresponding door lock propelling mechanism is also driven for a certain stroke. The side plate of the switch cabinet is provided with a lock catch plate, the connecting plates on the two sides of the door lock propelling mechanism are provided with pin shafts, and when the pin shafts penetrate through the lock catch plate, the whole door of the switch cabinet can be completely locked. The knob door lock device is simple in structure, reliable in transmission and convenient and fast to install.

Description

Knob door lock device driven by gear plate

Technical Field

The utility model relates to a cubical switchboard technical field especially relates to an use driven knob locks of toothed plate.

Background

At present, the lock shapes which are common in the market are as follows: screw lock, quick unlock, knob lock. Considering that the operation of the screw lock is inconvenient, the reliability of the quick unlocking is low, the quality effect of the screw lock on the market is also poor, and a plurality of problems exist in the using process.

CN 103696634A discloses a door lock device, it is used for the communication to use dc power supply switch board, including lock core, control lock core pivoted brake lever, linkage locking lever and a plurality of fixed locking piece, the lock core with the linkage locking lever cooperatees and drives the linkage locking lever motion, be provided with on the linkage locking lever a plurality of with linkage locking lever synchronous motion's removal locking piece, be provided with rotatory separation blade on the lock core, with the rotatory separation blade corresponds be provided with fixed stop, remove the locking piece with fixed locking piece matches rotatory separation blade with fixed stop cooperatees the locking that realizes door lock device. The door lock device adopts double-gear rack type transmission.

CN2547832Y discloses an electric cabinet door lock, which is composed of a locking part and a transmission part, and is characterized in that a lock cylinder and a transmission shaft are an integral part, the transmission connection of a lock bolt and a gear is realized by inserting a key into the lock cylinder to drive the gear to rotate, the gear drives an upper rack connecting rod, a lower rack connecting rod and upper and lower connecting pins to be linked up and down, and the upper and lower connecting pins are connected with a connecting rod to penetrate into a cabinet frame hole for positioning. Meanwhile, the lock bolt also has a square body with the size completely same as that of the lock core, and the lock bolt is also sleeved in the same square hole cavity of the gear, so when the gear rotates, the lock bolt also rotates along with the gear, and the door lock also adopts rack and pinion transmission.

The door lock devices adopt rack and pinion transmission, and the processing and assembling cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure is reliable, simple to operate, transmission are reliable, the knob locks that the practicality is strong.

This knob locks including one the curved plate of riveting, lock advancing mechanism and lock, the lock is fixed in on the curved plate of riveting, the lock core end of lock is equipped with the toothed plate, the last rectangle aperture of a plurality of equidistance that has of lock advancing mechanism, the tooth of toothed plate with the last rectangle aperture of a plurality of equidistance of lock advancing mechanism meshes mutually, round pin axle about the both ends of lock advancing mechanism have respectively.

The door lock propulsion mechanism comprises a door lock propulsion mechanism main board, an upper connecting board and a lower connecting board, and the upper pin shaft and the lower pin shaft are respectively positioned at the end parts of the upper connecting board and the lower connecting board.

The rectangular small holes are meshed with the teeth of the gear plate, are arranged on the door lock propelling mechanism at equal intervals and are positioned on the main board of the door lock propelling mechanism.

The middle position of the press riveting bending plate is opened with octagonal holes, the octagonal holes are the same as the size of the lock cylinder, press riveting studs are mounted at two ends of the press riveting bending plate, shaft sleeves with steps are mounted on the press riveting studs, long waist holes are formed in an upper connecting plate and a lower connecting plate at two ends of the door lock propelling mechanism and matched with the shaft sleeves, and the waist holes of the upper connecting plate and the lower connecting plate are completely embedded in the two shaft sleeves.

Specifically, in the gear plate transmission mechanism, the tooth plates on the tooth plates are meshed with the rectangular holes in the door lock pushing mechanism, and when the corresponding door lock handle is rotated, the door lock can drive the gear plate to rotate. When the gear plate rotates a certain angle, the main plate on the door lock propelling mechanism is correspondingly driven, so that the pin shafts on the connecting plates on the two sides of the bent plate are driven to move.

Furthermore, a rectangular door lock boss is arranged on the door lock core, a door lock clamping groove is further arranged on the rectangular door lock boss, the door lock clamping groove is an 3/4 round clamping groove, and the gear plate mounting hole is mounted on the door lock boss at a certain angle. The gear plate limiting boss is clamped in the 3/4 round clamping groove, so that the door lock can only rotate within the range of 90 degrees, and the door lock cannot be in an over-position state. The shape, size and interval of the tooth sheets on the gear plate are precisely designed, so that the gear plate drives the pin shaft on the door lock pushing mechanism to move for a certain distance in the process of rotating the operating door lock by 90 degrees, and the pin shaft can completely enter or separate from the lock catch plate, thereby closing and opening the door.

The utility model discloses several kinds of locks that contrast exists now possess following advantage:

1. the door lock has the advantages of simple and reliable structure, convenience in installation and reliable transmission, is easy to be widely applied to switch cabinet products, and has good sealing performance by adopting the door lock structure.

2. This lock relies on the driven knob door lock of toothed disc to have accurate transmission structure, guarantees that the cubical switchboard door is opened and is closed reliably, and reasonable stop device in addition ensures that the lock can only move at 90 degrees within ranges, can not appear misplacing, and it is also longer to operate very convenient and life.

3. The transmission device of the door lock replaces rack and pinion transmission, and effectively reduces the processing and assembling cost.

Drawings

Fig. 1 is a schematic structural view of the utility model of a knob door lock device using gear plate transmission.

Fig. 2 is the utility model relates to an use be used for driven gear plate sketch map on the driven knob locks of gear plate lock device lock.

Fig. 3 is a schematic view of a latch plate of the rotary knob door lock device driven by a gear plate of the present invention.

Fig. 4 is the schematic view of a door lock propulsion mechanism of the utility model, which uses the gear plate to drive the knob door lock device.

Fig. 5 is the utility model relates to an use driven knob locks of toothed plate to press on the curved board sketch map of riveting.

Fig. 6 is the utility model relates to an use lock shaft schematic diagram on driven knob locks of toothed plate.

Reference numerals: the door lock comprises a door lock 1, a door lock propulsion mechanism 2, a lock catch plate 3, a press riveting bending plate 4, a gear plate tooth sheet 11, a gear plate limiting boss 12, a gear plate mounting hole 13, a door lock 3/4 circular clamping groove 14, a door lock boss 15, a door lock propulsion mechanism main board 21, an upper connecting board 22, an upper pin shaft 23, a lower connecting board 24, a lower pin shaft 25, a lock catch plate pin hole 31, a press riveting bending plate upper stud 41, an upper shaft sleeve 42, a press riveting bending plate lower stud 43, an upper shaft sleeve 44, a door lock propulsion mechanism main board rectangular hole 211, an upper connecting board mounting hole 212, an upper connecting board waist hole 221, a lower connecting board mounting hole 213, a lower connecting board waist hole 241, a door lock mounting hole 411 and a press riveting bending plate yielding hole 412.

Detailed Description

The device of the present invention is further described below with reference to the accompanying drawings:

as shown in fig. 1, the utility model relates to an use driven knob locks of toothed plate for electric switch cabinet. The knob door lock device comprises a press riveting bending plate 4, a door lock pushing mechanism 2, a lock catch plate 3 and a door lock 1. The latch plate 3 is mounted on a side plate of the switch cabinet, and the latch plate 3 has latch plate insertion holes 31. The door lock 1 is fixed on a press-riveting bending plate 4, press-riveting studs are arranged at two ends of the press-riveting bending plate 4, and shaft sleeves are arranged on the studs and play a role in guiding the door lock propelling mechanism 2. The tail end of a lock cylinder of the door lock 1 is provided with a gear plate. And the two ends of the door lock propelling mechanism 2 are respectively provided with an upper pin shaft 23 and a lower pin shaft 25. The tooth plate 11 of the gear plate is meshed with a plurality of equidistant rectangular small holes on the door lock propelling mechanism. The door lock propulsion mechanism 2 comprises a door lock propulsion mechanism main board 21, an upper connecting board 22 and a lower connecting board 24, and the upper pin shaft 23 and the lower pin shaft 25 are respectively positioned at the end parts of the upper connecting board 22 and the lower connecting board 24. The main board 21 of the door lock propulsion mechanism is provided with a plurality of rectangular small holes with equal distance, and the tooth plates 11 of the gear plate are meshed with the rectangular small holes. When the corresponding door lock handle is rotated, the door lock can drive the gear plate to rotate. When the gear plate rotates a certain angle, the corresponding gear plate tooth sheet 11 will drive the main board of the door lock propelling mechanism, thereby driving the pin shafts on the connecting plates at two sides of the bent plate to move up and down.

As shown in fig. 2, the gear plate may be of a sector structure having a plurality of gear plate teeth 11. The middle position of the gear plate is provided with a rectangular gear plate mounting hole 13, and the gear plate can be arranged on a square convex groove of the lock cylinder of the door lock according to a certain angle. The gear plate is also provided with a gear plate limiting boss 12 which is positioned below the gear plate mounting hole 13.

As shown in fig. 6, the door lock core has a rectangular boss, the boss has a door lock slot 14, the door lock slot is a 3/4 circular slot, and the gear plate mounting hole 13 is mounted on the door lock boss 15 at a certain angle. The gear plate limiting boss 12 is clamped in the door lock clamping groove 14 and used for ensuring that the door lock can only rotate within the range of 90 degrees. When the door lock rotates 90 degrees, the 3/4 round convex groove of the door lock clamping groove 14 is clamped by the gear plate limiting boss 12, and the door lock 1 is ensured not to be over-positioned. The shape, size and distance of the tooth sheets on the gear plate are precisely designed, so that the gear plate drives the pin shaft on the door lock propelling mechanism to move for a certain distance in the process of operating the door lock to rotate 90 degrees, the pin shaft can completely enter the bolt hole 31 of the release latch plate, and the door can be closed or opened.

As shown in fig. 4, the door lock pushing mechanism main plate 21 is fixed to the upper link plate 22 through the upper link plate mounting hole 212 and to the lower link plate 24 through the lower link plate mounting hole 213. An upper pin 23 is fixed to an end of the upper link plate 22, and a lower pin 25 is fixed to an end of the lower link plate 24. The waist hole 221 of the upper connecting plate can be completely embedded on the shaft sleeve 42 of the press riveting bending plate, the waist hole 241 of the lower connecting plate can be completely embedded on the lower shaft sleeve 44 of the press riveting bending plate, the shaft sleeve plays a guiding role for the connecting plate, and the upper connecting plate and the lower connecting plate can only move in the vertical direction through the shaft sleeve.

Specifically, the tooth plate 11 on the door lock toothed plate is engaged with the rectangular hole 211 on the door lock pushing mechanism, and when the corresponding handle of the door lock 1 is rotated, the door lock 1 can drive the gear plate to rotate. When the door is in a closed state, the handle of the door lock 1 rotates 90 degrees counterclockwise, the corresponding gear plate also rotates 90 degrees counterclockwise, and the rectangular hole 211 of the main board of the door lock propulsion mechanism meshed with the gear plate tooth blade 11 is driven, so that the main board 21 of the door lock propulsion mechanism drives the upper and lower connecting plates 22 and 24 to move a distance on a linear position, and the upper and lower pin shafts 23 and 25 also move a distance on the linear position, and the distance just makes the pin shafts 23 and 25 on the door lock propulsion mechanism completely separate from the bolt holes 31 of the locking plate, and at this time, the door can be opened. Conversely, when the door is in an open state, the door lock handle rotates clockwise by 90 degrees, the pin shaft on the door lock pushing mechanism completely enters the bolt hole 31 of the lock catch plate 3, and then the door is closed.

As shown in fig. 5, an octagonal door lock mounting hole 411 is formed in the middle of the clinch plate 4, and has the same size as the lock cylinder, and the lock cylinder is inserted into the hole and can be used to fix the door lock. The door lock 1 can be nested in the clinch plate 4, so that the door lock 1 can be completely fixed on the clinch plate 4. The two ends of the press-riveting bending plate 1 are provided with press-riveting studs, the studs are provided with shaft sleeves with steps, the connecting plates at the two ends of the door lock propelling mechanism are provided with long waist holes which are matched with the shaft sleeves, and the waist holes of the two connecting plates are completely embedded on the two shaft sleeves, so that the guide plate can be linearly translated by taking the shaft sleeves as fulcrums.

The above is only an embodiment of the present invention, not all or only one embodiment, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention through reading the present invention.

Claims (6)

1. The utility model provides a knob locks, includes that one is pressed and is riveted bent board (4), lock advancing mechanism (2) and lock (1), lock (1) is fixed in press and rivet on bent board (4), the lock core end of lock (1) is equipped with toothed plate, its characterized in that: the door lock propelling mechanism (2) is provided with a plurality of equidistant rectangular small holes, the tooth piece (11) of the gear plate is meshed with the plurality of equidistant rectangular small holes on the door lock propelling mechanism, and the two ends of the door lock propelling mechanism (2) are respectively provided with an upper pin shaft (23) and a lower pin shaft (25).

2. The rotary knob door lock device according to claim 1, wherein: the door lock pushing mechanism (2) comprises a door lock pushing mechanism main board (21), an upper connecting board (22) and a lower connecting board (24), and upper and lower pin shafts (23, 25) are respectively located at the end parts of the upper connecting board (22) and the lower connecting board (24).

3. The rotary knob door lock device according to claim 2, wherein: and a plurality of rectangular small holes with equal distance on the door lock propelling mechanism (2) which is meshed with the tooth sheets of the gear plate are positioned on the main board (21) of the door lock propelling mechanism.

4. The rotary knob door lock device according to claim 1, wherein: the lock is characterized in that a lock boss is arranged on the lock cylinder, a lock clamping groove (14) is further formed in the lock boss (15), a gear plate mounting hole (13) is formed in the lock boss (15) at a certain angle, the gear plate is provided with a limiting boss (12), and the limiting boss (12) is clamped in the lock clamping groove (14).

5. The rotary knob door lock device according to claim 4, wherein: the door lock boss (15) is rectangular, and the door lock clamping groove (14) is an 3/4 round clamping groove.

6. The rotary knob door lock device according to claim 1, wherein: the utility model discloses a lock, including lock advancing mechanism, press riveting bent plate (4) and lock core, the intermediate position of press riveting bent plate (4) is opened there is octagon hole, and is the same with the lock core size, press riveting bent plate (4) both ends and be equipped with the press riveting double-screw bolt, press riveting and be equipped with the axle sleeve that has the step on the double-screw bolt, it has long waist hole to open on upper junction plate (22), the lower connecting plate (24) at lock advancing mechanism (2) both ends, cooperatees with the axle sleeve, and the complete go.

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