CN219605060U - Self-locking slide block lock - Google Patents

Abstract

The utility model relates to a self-locking type sliding block lock, which is designed for solving the technical problems of simpler locking steps, poorer stability and reliability, vibration resistance, false unlocking and poorer false operation effect of the existing similar machine products. The two sides of the base of the self-locking slide block lock are symmetrically provided with extended lock rod assemblies, one end of a transmission shaft in the base is connected with square holes of a gear, and simultaneously, a tooth mouth of the outer diameter of the gear is meshed with a tooth hole of a rack; the lock rod assembly comprises a rack, a single-head knurled pin and a lock latch, wherein one end of the rack is bent in an L shape, one end of the lock latch, extending out of a base, at one side of the bent end is fixed at the end part of the rack through the single-head knurled pin, and the other end of the lock latch is a touch lock head with at least one side being inclined; the lock hole of upper cover is equipped with lock core subassembly in, and lock core subassembly is the button, and the lockhole internal diameter symmetry of upper cover is equipped with the recess, and the protruding muscle of button corresponds the recess of inserting upper cover department lockhole, is equipped with the spring between the spring groove at transmission shaft top in the square groove of bottom in the button and the base.

Description

Self-locking slide block lock

Technical Field

The utility model relates to a cabinet lock, in particular to a self-locking type sliding block lock.

Background

The cabinet lock is a metal lock used in a metal cabinet door or a cabinet body, and generally drives a single gear on a transmission shaft to rotate through the rotation of a lock cylinder or a handle, so that the transmission bar is meshed with the transmission bar to move along a straight line, and the upper and lower rods are driven to move, so that the cabinet door is opened or closed. Application number 202120765296.1, grant bulletin date 2021.12.28, title of the utility model "cabinet long travel link lock" as disclosed in chinese patent literature; the connecting rod lock comprises a transmission shaft, a gear and a rack, wherein the transmission shaft is arranged in the middle hole of a lower transmission shell, a driven pinion, a driven bull gear and the double-gear transmission shaft of the double-gear transmission assembly are connected into a whole, the transmission ratio is changed through the double gears, and a large-stroke transmission mechanism is output. Meanwhile, the main installation mode of the communication cabinet in the current market is generally installed at a high place through a fastener, the lock body is fixed through the fastener after the door plate, and the structure design of the touch lock is generally adopted. The transmission type touch lock mainly comprises a cam, a knob and a lock rod, the locking action of a lock body and a cabinet door is realized by pressing a door plate, the lock is of a direct locking structure, unlocking can be realized by directly rotating the knob during unlocking, and error touch prevention action is avoided, so that the used touch lock is easy to unlock by mistake, the phenomenon of unlocking by vibration is caused, the whole quality is unstable, and the customer satisfaction is reduced.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide the self-locking type sliding block lock of the small-sized communication cabinet in the field, so that the technical problems of simpler locking steps, poor stability and reliability, and poor vibration resistance, false unlocking and false operation effects of the existing similar machine products are solved. The aim is achieved by the following technical scheme.

A self-locking slide block lock is characterized in that at least one side of a base of the self-locking slide block lock is provided with a locking rod component which extends out, one end of a square head of a transmission shaft in the base is connected with a square hole in the center of a gear, a tooth opening of the outer diameter of the gear is meshed with a tooth hole of a rack, and an upper cover is arranged at a seat opening of the base; the lock rod assembly comprises a rack, a single-head knurled pin and a lock latch, wherein one end of the rack is bent in an L shape, one end of the lock latch, extending out of a base, at one side of the bent end is fixed at the end part of the rack through the single-head knurled pin, and the other end of the lock latch is a touch lock head with at least one side being inclined; a lock core component is arranged in a lock hole of the upper cover and is connected with a transmission shaft in the base. Therefore, the self-locking type sliding block lock is locked by the collision of the latch and the lock head of the latch, and the transmission shaft and the gear are driven to rotate by the rotation of the lock core assembly, so that unlocking is realized.

The lock core assembly is a button, at least one side of the inner diameter of a lock hole of the upper cover is provided with a groove, the outer diameter of one end of the button extending out of the lock hole of the upper cover is correspondingly provided with a convex rib, the convex rib of the button is inserted into the groove of the lock hole of the upper cover while limiting the push button, a spring is arranged between a square groove at the bottom in the button and a spring groove at the top of a transmission shaft in the base, and the end face of the button extending out of the upper cover is provided with a tool type key groove. The lock core component of the self-locking slide block lock adopts a button mode, so that the locking step is convenient to operate simply, and only a tool type key is needed to be used for pressing and rotating the button; it can also adopt the mode that lock core or handle one end is connected with the pivot.

The bending end of the rack is continuously bent towards the inside of the base, a single-head knurling pin driven into the rack at the end is arranged, and a pin hole at one end of the latch inserted into the bending end at the rack is fixed on the rack through the single-head knurling pin at the end. The rack is fixed into a whole through the single-head knurling pin, and other structural forms can be omitted from the single-head knurling pin.

The two sides of the base are symmetrically provided with locking rod components, namely a group of racks, single-head rolling pins and lock catches are symmetrically arranged on two sides of the base internal gear and the transmission shaft respectively. The symmetrically arranged lock rod assemblies are convenient for further improving the stability of the rack and meeting the requirement of locking at the same time at two sides.

Openings are respectively arranged on two sides of the lock rod component of the base, and the bending ends of racks on two sides are respectively positioned in the openings on two sides of the base. The structure is convenient for the two sides of the base to realize further sealing through the racks, reduces the production cost and facilitates the production and assembly.

The base and the upper cover on two sides of the gear and the transmission shaft are symmetrically provided with assembly holes respectively, and the base and the upper cover are connected through screws and press-riveting nut columns at the assembly holes respectively. The above structure is an example of a top cover structure.

The two sides of the upper cover are symmetrically provided with edges extending outwards, and the edges of the upper cover are respectively provided with a mounting hole. The edge of the extending part of the upper cover is bent towards one side of the base, and is provided with a mounting hole, and the upper cover with other structural designs can be adopted according to actual conditions and mounting requirements.

The utility model has reasonable structural design, convenient production, installation and use and good stability, and solves the problems of unstable cabinet lock body, vibration resistance, false unlocking and false operation in the market; the cabinet lock is suitable for being used as a cabinet lock of products such as small-sized communication cabinets and the like, and further improvement of similar products.

Drawings

Fig. 1 is a schematic diagram of an exploded construction of an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of fig. 1, with a framed portion enlarged.

Fig. 3 is a rear structural schematic view of fig. 2.

Fig. 4 is a schematic view of the internal structure of fig. 3.

Fig. 5 is a schematic cross-sectional view of fig. 2.

Figure number and name: 1. upper cover, 101, lockhole, 2, button, 3, spring, 4, screw, 5, rack, 6, single-head round pin, 7, hasp, 8, press-rivet nut post, 9, base, 10, transmission shaft, 11, gear.

Detailed Description

The construction and use of the present utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1-5, two sides of a base 9 of the self-locking slide block lock are symmetrically provided with extended lock rod components, one end of a square head of a transmission shaft 10 in the base is connected with a square hole in the center of a gear 11, simultaneously, tooth openings of the outer diameter of the gear are respectively meshed with tooth holes of racks 5 on two sides, and an upper cover 1 is arranged at a seat opening of the base. The lock rod component comprises a rack, a single-head knurling pin 6 and a lock latch 7, namely, the rack, the single-head knurling pin and the lock latch are symmetrically arranged on two sides of an inner gear of the base and a transmission shaft respectively, one end of the rack is bent in an L shape respectively, one end of the lock latch, extending out of the base, of the bent end is fixed to the end part of the rack through the single-head knurling pin, and the other end of the lock latch is a touch lock head with inclined sides respectively; a lock core assembly is arranged in the lock hole 101 of the upper cover and is connected with a transmission shaft in the base.

The lock core assembly is a button 2, grooves are symmetrically formed in two sides of the inner diameter of a lock hole of the upper cover, protruding ribs are correspondingly arranged on the outer diameter of one end of the button extending out of the lock hole of the upper cover, the protruding ribs of the button are inserted into the grooves of the lock hole of the upper cover, a spring 3 is arranged between a square groove at the bottom in the button and a spring groove at the top of a transmission shaft in the base, and a tool type key groove is formed in the end face of the button extending out of the upper cover. The bending ends of the racks are respectively continuously bent into the base, a single-head knurling pin driven into the racks at the ends is arranged, and pin holes at one ends of the lock bolts inserted into the bending ends at the positions of the racks are fixed on the racks through the single-head knurling pin at the ends. Openings are respectively arranged on two sides of the lock rod component of the base, and the bending ends of the racks on two sides are respectively positioned in the openings on two sides of the base. The bases and the upper covers on two sides of the gear and the transmission shaft are symmetrically provided with assembly holes respectively, and the bases and the upper covers are connected through screws 4 and press-riveting nut columns 8 at the assembly holes respectively. The two sides of the upper cover are symmetrically provided with edges extending outwards and are bent and formed towards one side of the base, and the edges of the upper cover are respectively provided with a mounting hole.

The unlocking and locking operation of the self-locking slide block lock is specifically as follows: when unlocking, the tool type key is inserted into the button, after the key is pressed down, the convex rib of the button is separated from the limit, then the button rotates, the lock rod component is retracted, the lock rod component is separated from the lock catch welded on the cabinet body, and the cabinet door is opened, so that unlocking is realized. When the lock is closed, the cabinet door is pressed down, the tool type key is inserted into the button and directly rotated, the lock rod component stretches to be buckled with the lock catch welded on the cabinet body, and the button automatically bounces up and cannot rotate after the lock is in place, so that the lock is closed and self-locking is realized.

In summary, the self-locking type slide block lock is a quick and self-locking slide block lock, and the specific structure and operation of the self-locking slide block lock are as follows: the self-locking slide block lock comprises a lock body base with a press-riveting nut column, wherein the base and an upper cover plate are combined together to form a whole; the lock rod assembly consists of a rack, a latch and a single-head knurled pin, and the knurled pin penetrates through the latch and is fixed on the rack to complete the lock rod assembly. The tool type key is used for pressing and rotating the button, and the lock latch can be retracted through the secondary unlocking action to finish unlocking; the button is in an unlocking state, is sunk and rotates to a locking state, and is sprung up through a spring to enter a locking groove and cannot rotate, so that locking and self-locking are completed; the lock unlocking and locking actions can furthest enhance the stability and reliability of the locking system, and have a foolproof function. The self-locking type sliding block lock has a more stable and reliable effect in the use process, meanwhile, the maintenance cost is saved, and the strength of a locking system is increased.

Claims (7)

1. A self-locking slide block lock is characterized in that at least one side of a base (9) of the self-locking slide block lock is provided with a locking rod component which extends out, one end of a square head of a transmission shaft (10) in the base is connected with a square hole in the center of a gear (11), a tooth opening of the outer diameter of the gear is meshed with a tooth hole of a rack (5), and an upper cover (1) is arranged at a seat opening of the base; the lock rod assembly is characterized by comprising a rack (5), a single-head knurling pin (6) and a lock bolt (7), wherein one end of the rack is bent in an L shape, one end of the lock bolt, extending out of the base, at one side of the bent end is fixed at the end part of the rack through the single-head knurling pin, and the other end of the lock bolt is a touch lock head with at least one side being inclined; a lock core component is arranged in a lock hole (101) of the upper cover (1) and is connected with a transmission shaft (10) in the base (9).

2. The self-locking slide block lock as claimed in claim 1, wherein the lock core component is a button (2), at least one side of the inner diameter of a lock hole (101) of the upper cover (1) is provided with a groove, one end outer diameter of the button extending out of the lock hole at the upper cover is correspondingly provided with a convex rib, the button is limited to extend out of the lock hole of the upper cover, meanwhile, the convex rib of the button is inserted into the groove of the lock hole at the upper cover, a spring (3) is arranged between a square groove at the inner bottom of the button and a spring groove at the top of a transmission shaft (10) in the base (9), and the end face of the button extending out of the upper cover is provided with a tool type key groove.

3. The self-locking slide block lock as claimed in claim 1, wherein the curved end of the rack (5) is continuously curved into the base (9) and is provided with a single-head knurled pin (6) driven into the rack at the end, and a pin hole at one end of the latch (7) inserted into the curved end at the rack is fixed to the rack through the single-head knurled pin at the end.

4. The self-locking slide block lock according to claim 1, characterized in that the two sides of the base (9) are symmetrically provided with locking rod components, namely a rack (5), a single-head rolling pin (6) and a latch (7), which are symmetrically arranged at two sides of the base internal gear (11) and the transmission shaft (10).

5. The self-locking slide block lock as claimed in claim 4, wherein the locking bar assembly of the base (9) is provided with openings on both sides thereof, and the curved ends of the racks (5) on both sides thereof are located in the openings on both sides of the base, respectively.

6. The self-locking slide block lock according to claim 1, wherein the base (9) and the upper cover (1) at two sides of the gear (11) and the transmission shaft (10) are respectively symmetrically provided with assembly holes, and the base and the upper cover are respectively connected through screws (4) and press riveting nut columns (8) at the assembly holes.

7. The self-locking slide block lock according to claim 1, characterized in that the two sides of the upper cover (1) are symmetrically provided with outwardly extending edges, and the edges of the upper cover are respectively provided with a mounting hole.