阅读说明：本技术 一种用于机柜的多点连杆锁装置 (Multipoint connecting rod lock device for cabinet ) 是由 沈荣桂 蒋伟明 陈亮亮 赵晨刚 施晓惠 王云根 王翰君 韩滔 彭昭美 李仁广 马 于 2021-08-25 设计创作，主要内容包括：本发明涉及一种用于机柜的多点连杆锁装置,包括锁杆、旋转把手和多个锁紧装置,锁紧装置与锁杆连接,通过锁杆进行传动,由其中一个锁紧装置带动其余的锁紧装置进行运动,旋转把手固定于锁紧装置上,锁紧装置上设有锁舌,锁舌通过旋转把手或锁杆的传动进行旋转,实现机柜的柜门在关闭状态和开启状态之间的转换。与现有技术相比,本发明具有提高机柜柜门锁紧效果与屏蔽性能、避免机柜柜门变形以及柜门打开和关闭过程中发生卡扣的情况,减少对柜门的损坏,使连杆锁开关操作变的更加便捷、高效等优点。(The invention relates to a multipoint connecting rod lock device for a cabinet, which comprises a lock rod, a rotating handle and a plurality of locking devices, wherein the locking devices are connected with the lock rod and are driven by the lock rod, one locking device drives the other locking devices to move, the rotating handle is fixed on the locking devices, the locking devices are provided with lock tongues, and the lock tongues rotate through the transmission of the rotating handle or the lock rod, so that the conversion of a cabinet door of the cabinet between a closed state and an open state is realized. Compared with the prior art, the invention has the advantages of improving the locking effect and shielding performance of the cabinet door of the cabinet, avoiding the deformation of the cabinet door of the cabinet and the situation of buckle generation in the opening and closing process of the cabinet door, reducing the damage to the cabinet door, and enabling the operation of the connecting rod lock switch to be more convenient and efficient.)

1. The utility model provides a multiple spot link lock device for rack, its characterized in that, includes locking lever (1), rotatory handle (4) and a plurality of locking device (17), locking device (17) are connected with locking lever (1), carry out the transmission through locking lever (1), drive remaining locking device (17) by one of them locking device (17) and move, rotatory handle (4) are fixed in on locking device (17), be equipped with spring bolt (3) on locking device (17), spring bolt (3) rotate through the transmission of rotatory handle (4) or locking lever (1), realize the conversion of the cabinet door of rack between closed condition and open condition.

2. The multipoint link lock device for a cabinet as claimed in claim 1, wherein the lock lever (1) comprises a first upper assembly (18), a second upper assembly (19), a first lower assembly (20) and a second lower assembly (21), the locking device (17) located at the middle position is connected with the second upper assembly (19) and the first lower assembly (20) respectively, one end of the first upper assembly (18) is connected with the locking device (17), the other end is connected with the second upper assembly (19) through the locking device (17), one end of the second lower assembly (21) is connected with the locking device (17), and the other end is connected with the first lower assembly (20) through the locking device (17).

3. The multipoint connecting rod lock device for the cabinet as claimed in claim 1, wherein the locking rod (1) is of a unitary structure, a slot is provided on the locking rod (1), and the locking device (17) is provided in the slot.

4. A multipoint link lock arrangement for a cabinet according to claim 3, characterised in that the locking device (17) is further provided with a locking bar stabilizer bar (2) and a first transmission rack (7).

5. The multipoint connecting rod lock device for the cabinet as claimed in claim 4, wherein the locking rod stabilizing buckle (2) is provided with a second transmission rack (16), the tail part of the locking bolt (3) is provided with a gear (11), and the first transmission rack (7) and the second transmission rack (16) are both connected with the gear (11) of the locking bolt (3) in a matching manner.

6. The multipoint connecting rod lock device for the cabinet as claimed in claim 4, wherein a positioning snap hole (15) and a positioning hole (14) are provided on the locking groove of the locking rod (1), a snap (13) and a positioning column (12) are provided on the first transmission rack (7), the first transmission rack (7) is connected with the positioning hole (14) through the positioning column (12), and the snap (13) is connected with the positioning snap hole (15) so as to be connected with the locking rod (1).

7. A multipoint link lock device for cabinets as claimed in claim 3, characterized in that the bolt (3) of the locking device (17) in the intermediate position is connected to a two-wing stud sleeve (10), said two-wing stud sleeve (10) being connected to a rotation shaft (9) and to a rotation handle (4) via the rotation shaft (9).

8. A multipoint link lock arrangement for a cabinet according to claim 7 characterised in that the turning handle (4) is pinned to a turning axle (9) and the turning axle (9) has a stop formation thereon.

9. The multipoint link lock device for a cabinet according to claim 7, wherein the latch tongue (3) of the locking device (17) except the intermediate position is connected with a stud sleeve (8), the stud sleeve (9) is connected with a positioning stud (6), and the positioning stud (6) is welded with the cabinet door of the cabinet.

10. The multipoint connecting rod lock device for the cabinet as claimed in claim 1, wherein a layer of lock tongue sleeve (5) is arranged outside the lock tongue (3), the inner surface of the lock tongue sleeve (5) is provided with grains, and the outer surface is a smooth curved surface convex structure.

Technical Field

The invention relates to the technical field of tool locks, in particular to a multipoint connecting rod lock device for a cabinet.

Background

The cabinet produced in the railway signal field generally has strict requirements, and has technical requirements on appearance, structure, mechanical property, electromagnetic shielding property, corrosion resistance, process and the like. Because the structure height of rack is big, and is equipped with front and back door, so whether good bad and the convenience of equipment switch of leakproofness to the rack lies in the lock of rack door. In the prior art, the cabinet adopts a connecting rod lock which is compressed by an upper bolt, a lower bolt and a middle single point for meeting the sealing performance and being convenient to open and close.

This approach has the following disadvantages:

1. the cabinet has high requirement on the sealing performance for better electromagnetic shielding performance, the 3-point connecting rod lock has fewer pressing points and cannot be completely pressed, and the shielding performance is poor when the cabinet door is closed due to poor position accuracy of the upper bolt hole and the lower bolt hole;

2. after the cabinet door is closed tightly, the compression points are few, and the compression degrees of the upper part and the lower part of the cabinet door are different, so that the flatness of the cabinet door is poor and the cabinet door is easy to deform;

3. when the 3-point connecting rod lock is used, the buckling of the 3-point connecting rod lock is easy to happen in the opening and closing processes of the cabinet door. When the pressing buckle is not rotated to the state that the cabinet door can be completely opened and the upper and lower lock pins are not pulled out of the pin holes, the cabinet door is opened, the cabinet door can be damaged, the service life of the cabinet door is shortened, and the working efficiency is reduced. When the cabinet door is shut down, the upper lock pin and the lower lock pin are controlled to be accurately inserted into the pin holes, so that the cabinet door is easy to insert askew and inconvenient to use, and the working efficiency is influenced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the multipoint connecting rod lock device for the cabinet, so that the shielding performance of the cabinet is improved, the multipoint pressing cabinet door is convenient to open and close, the locking effect is more obvious, and the damage to the cabinet door caused by improper opening and closing is reduced.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a multiple spot link lock device for rack, includes locking lever, rotatory handle and a plurality of locking device, locking device is connected with the locking lever, carries out the transmission through the locking lever, drives remaining locking device by one of them locking device and moves, rotatory handle is fixed in on the locking device, the last spring bolt that is equipped with of locking device, the spring bolt rotates through the transmission of rotatory handle or locking lever, realizes the cabinet door of rack at the conversion between closed condition and the open mode.

The locking rod comprises a first upper component, a second upper component, a first lower component and a second lower component, a locking device located in the middle is connected with the second upper component and the first lower component respectively, one end of the first upper component is connected with the locking device, the other end of the first upper component is connected with the second upper component through the locking device, one end of the second lower component is connected with the locking device, and the other end of the second lower component is connected with the first lower component through the locking device. The middle locking device is controlled by a driving mode, and the other locking devices are controlled by a driving and driven integrated mode.

Further, the first upper assembly and the first lower assembly move in the same direction, and the second upper assembly and the second lower assembly move in the same direction; the first upper assembly and the second upper assembly move in opposite directions, and the first lower assembly and the second lower assembly move in opposite directions.

The lock rod is of an integral structure, a clamping groove is formed in the lock rod, and the locking device is arranged in the clamping groove. The middle locking device is driven, and the other locking devices are driven.

Furthermore, the locking device is also provided with a lock rod stabilizing buckle and a first transmission rack, and the first transmission rack is combined with the lock rod stabilizing buckle to form a stable transmission device.

Furthermore, the lock rod is provided with a second transmission rack on the stable buckle, the tail part of the lock tongue is provided with a gear, and the first transmission rack and the second transmission rack are both connected with the gear of the lock tongue in a matching manner.

Furthermore, the locking rod stable buckle is provided with a buckle type structure which can buckle the edge of the clamping groove of the locking rod to limit the locking rod stable buckle to move along the locking rod direction only, and the locking rod stable buckle and the locking rod do reverse movement.

Furthermore, a positioning buckle hole and a positioning hole are formed in the clamping groove of the lock rod, a buckle and a positioning column are arranged on the first transmission rack, the first transmission rack is connected with the positioning hole through the positioning column, and the buckle is connected with the positioning buckle hole and is connected with the lock rod.

Furthermore, a lock tongue of the locking device positioned in the middle is connected with a double-wing stud sleeve, and the double-wing stud sleeve is connected with a rotating shaft and is connected with a rotating handle through the rotating shaft.

Furthermore, the rotating handle is connected with the rotating shaft through a pin, and the rotating shaft is provided with a limiting structure which can limit the rotating angle of the rotating handle.

Further, the front end of rotation axis is equipped with the cuboid boss, be equipped with the rectangular hole in the two wing stud cover, the cuboid boss is connected with the rectangular hole cooperation and is carried out the transmission.

Furthermore, the lock tongues of the other locking devices except the middle position are connected with a stud sleeve, the stud sleeve is connected with a positioning stud, and the positioning stud is welded with a cabinet door of the cabinet.

The spring bolt is equipped with the one deck lock tongue cover outward, the internal surface of lock tongue cover is equipped with the line, prevents effectively that the lock tongue cover from droing, and the surface is smooth curved surface protruding structure, makes things convenient for opening and closing of spring bolt 3, the material of lock tongue cover is ABS plastics.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the locking device is arranged on the lock rod, the traditional single spring bolt structure is changed into a plurality of spring bolts, and the compression points are increased, so that the locking effect of the cabinet door of the cabinet is more obvious, and meanwhile, the shielding performance of the cabinet door of the cabinet is improved; the increase of compressing tightly the point can make each part of cabinet door compress tightly the degree and tend to evenly, avoids the cabinet door of rack to warp.

2. According to the invention, the bolt type structure of the upper end and the lower end of the traditional connecting rod lock is changed into the bolt pressing type structure, and the bolt sleeve with a special structure is arranged on the bolt, so that the situation that a cabinet door is buckled in the opening and closing processes is avoided, the damage to the cabinet door is reduced, and the opening and closing operation of the connecting rod lock becomes more convenient and efficient.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a locking device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a lock tongue in the first embodiment of the invention;

FIG. 4 is a schematic structural diagram of a lock bar stabilizer link according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a first transmission rack according to a first embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a stud sleeve with two wings according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a stud sleeve according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a rotating shaft according to a first embodiment of the present invention;

fig. 9 is a schematic structural diagram in the second embodiment of the present invention.

Reference numerals:

1-a lock bar; 2-locking rod stabilizing buckle; 3-a bolt; 4-rotating the handle; 5-locking bolt sleeve; 6-positioning the stud; 7-a first drive rack; 8-stud sleeve; 9-a rotating shaft; 10-double-wing stud sleeve; 11-a gear; 12-a positioning column; 13-buckling; 14-positioning holes; 15-positioning the buckling hole; 16-a second drive rack; 17-a locking device; 18-a first upper assembly; 19-a second upper assembly; 20-a first lower assembly; 21-second lower assembly.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example one

As shown in fig. 1, a multipoint link lock device for a cabinet comprises a lock rod 1, a rotating handle 4 and a plurality of locking devices 17, wherein the locking devices 17 are connected with the lock rod 1, the lock rod 1 is used for transmission, one locking device 17 drives the other locking devices 17 to move, the rotating handle 4 is fixed on the locking device 17, a bolt 3 is arranged on the locking device 17, the bolt 3 rotates through the transmission of the rotating handle 4 or the lock rod 1, and the conversion of a cabinet door of the cabinet between a closed state and an open state is realized.

In this embodiment, the number of the locking devices 17 is 5.

The lock rod 1 is of an integral structure, a clamping groove is formed in the lock rod 1, and the locking device 17 is arranged in the clamping groove. The middle locking device 17 is controlled in a driving manner, and the remaining locking devices 17 are controlled in a driven manner.

As shown in fig. 2, the locking device 17 is further provided with a locking rod stabilizer 2 and a first transmission rack 7, and the first transmission rack 7 is combined with the locking rod stabilizer 2 to form a stable transmission device.

As shown in fig. 3 and 4, the lock rod stabilizing buckle 2 is provided with a second transmission rack 16, the tail of the lock tongue 3 is provided with a gear 11, and the first transmission rack 7 and the second transmission rack 16 are both connected with the gear 11 of the lock tongue 3 in a matching manner.

The locking rod stabilizing buckle 2 is provided with a buckle type structure, the edge of the clamping groove of the locking rod 1 can be buckled, the locking rod stabilizing buckle 2 is limited to move along the locking rod direction, and the locking rod stabilizing buckle 2 and the locking rod 1 do reverse movement.

A positioning buckle hole 15 and a positioning hole 14 are arranged on the clamping groove of the lock rod 1, as shown in fig. 5, a buckle 13 and a positioning column 12 are arranged on the first transmission rack 7, the first transmission rack 7 is connected with the positioning hole 14 through the positioning column 12, and the buckle 13 is connected with the positioning buckle hole 15 and is connected with the lock rod 1.

The latch tongue 3 of the locking device 17 located at the intermediate position is connected to the double-wing bolt housing 10 as shown in fig. 6, and the double-wing bolt housing 10 is connected to the rotary shaft 9 as shown in fig. 8 and is connected to the rotary handle 4 through the rotary shaft 9.

The rotary handle 4 is connected with the rotary shaft 9 through a pin, and the rotary shaft 9 is provided with a limiting structure which can limit the rotation angle of the rotary handle 4.

The front end of the rotating shaft 9 is provided with a cuboid boss, a rectangular hole is formed in the double-wing stud sleeve 10, and the cuboid boss is matched and connected with the rectangular hole for transmission.

The bolt 3 of the other locking devices 17 except the middle position is connected with a stud sleeve 8 shown in fig. 7, a stud sleeve 9 is connected with a positioning stud 6, and the positioning stud 6 is welded with a cabinet door of the cabinet.

The lock tongue 3 is externally provided with a lock tongue sleeve 5, the inner surface of the lock tongue sleeve 5 is provided with grains, the lock tongue sleeve 5 is effectively prevented from falling off, the outer surface is of a smooth curved surface protruding structure, the lock tongue 3 is convenient to open and close, and the lock tongue sleeve 5 is made of ABS plastic.

When the rotating handle 4 rotates from the closed state to the open state, the rotating handle 4 drives the lock tongue 3 of the locking device 17 at the middle portion to rotate counterclockwise, the opening action of the lock tongue 3 is completed, the gear 11 on the lock tongue 3 rotates to drive the second transmission rack 16 of the lock rod stabilizing buckle 2 to move upward, meanwhile, the first transmission rack 17 of the locking device 17 at the middle portion is driven to move downward, then the first transmission rack 17 drives the lock rod 1 to move downward, the lock rod 1 drives the first transmission racks 7 of the other locking devices 17 to move downward, the first transmission racks 7 of the other locking devices 17 drive the lock tongues 3 of the corresponding locking devices 17 to rotate clockwise and counterclockwise respectively, the opening action of the other lock tongues 3 is completed, and the gears 11 on the other lock tongues 3 drive the other lock rod stabilizing buckles 2 to move upward.

When the rotating handle 4 rotates from an open state to a closed state, the rotating handle 4 drives the lock tongue 3 of the locking device 17 at the middle part to rotate clockwise, the closing action of the lock tongue 3 at the middle part is completed, the gear 11 on the lock tongue 3 rotates to drive the second transmission rack 16 of the lock rod stabilizing buckle 2 to move downwards, meanwhile, the first transmission rack 17 of the locking device 17 at the middle part is driven to move upwards, then the first transmission rack 17 drives the lock rod 1 to move upwards, and the lock rod 1 drives the first transmission racks 7 of the other locking devices 17 to move upwards. The first transmission racks 7 of the other locking devices 17 drive the lock tongues 3 of the corresponding locking devices 17 to rotate clockwise and anticlockwise respectively, so that the opening action of the other lock tongues 3 is completed, and the gears 11 on the other lock tongues 3 drive the other lock rod stabilizing buckles 2 to move downwards.

Example two

As shown in fig. 9, a multipoint connecting rod lock device for a cabinet comprises a lock rod 1, a rotating handle 4 and a plurality of locking devices 17, wherein the locking devices 17 are connected with the lock rod 1, the lock rod 1 is used for transmission, the rotating handle 4 is fixed on the locking devices 17, the locking devices 17 are provided with lock tongues 3, the lock tongues 3 rotate through the transmission of the rotating handle 4 or the lock rod 1, and the conversion of a cabinet door of the cabinet between a closed state and an open state is realized.

In this embodiment, the number of the locking devices 17 is 5.

The locking rod 1 comprises a first upper assembly 18, a second upper assembly 19, a first lower assembly 20 and a second lower assembly 21, wherein the locking device 17 located at the middle position is respectively connected with the second upper assembly 19 and the first lower assembly 20, one end of the first upper assembly 18 is connected with the locking device 17, the other end of the first upper assembly is connected with the second upper assembly 19 through the locking device 17, one end of the second lower assembly 21 is connected with the locking device 17, and the other end of the second lower assembly is connected with the first lower assembly 20 through the locking device 17. The middle locking device 17 is controlled in a driving mode, and the other locking devices 17 are controlled in a driving and driven integrated mode.

The two ends of the locking device 17 are provided with connecting rods, the connecting rods can correspondingly extend or gather when the locking device 17 performs opening or closing actions, the moving trends of the connecting rods at the two ends are the same, and the first upper assembly 18, the second upper assembly 19, the first lower assembly 20 and the second lower assembly 21 are connected with the locking device 17 through the connecting rods.

When the rotating handle 4 of the middle locking device 17 rotates from the closed state to the open state, the rotating handle 4 drives the connecting rod of the middle locking device 17 to rotate, the opening action of the bolt 3 is completed, the connecting rod extends outwards, and the second upper assembly 19 and the first lower assembly 20 are pushed to move in opposite directions respectively. The second upper component 19 moves upwards to drive the connecting rod of the other locking device 17 connected with the second upper component to gather inwards, the corresponding bolt 3 completes the opening action, and then the first upper component 18 is driven to move downwards to drive the bolt 3 of the locking device 17 at the tail end to complete the opening action; the first lower assembly 20 moves downwards to drive the connecting rod of the other locking device 17 connected with the first lower assembly to gather inwards, the corresponding bolt 3 completes the opening action, and then the second lower assembly 21 is driven to move upwards to drive the bolt 3 of the locking device 17 at the tail end to complete the opening action.

When the rotating handle 4 of the middle locking device 17 rotates from the open state to the closed state, the rotating handle 4 drives the connecting rod of the middle locking device 17 to rotate, the closing action of the bolt 3 is completed, the connecting rod gathers inwards, and the second upper assembly 19 and the first lower assembly 20 are driven to move in opposite directions respectively. The second upper assembly 19 moves downwards to drive the connecting rod of the other locking device 17 connected with the second upper assembly to extend outwards, the corresponding bolt 3 completes the closing action, and then the first upper assembly 18 is driven to move upwards to drive the bolt 3 of the locking device 17 at the tail end to complete the closing action; the first lower assembly 20 moves upward to drive the connecting rod of the other locking device 17 connected with the first lower assembly to extend outward, the corresponding bolt 3 completes the closing action, and then the second lower assembly 21 is driven to move downward to drive the bolt 3 of the locking device 17 at the tail end to complete the closing action.

In addition, it should be noted that the specific embodiments described in the present specification may have different names, and the above descriptions in the present specification are only illustrations of the structures of the present invention. All equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the invention. Various modifications or additions may be made to the described embodiments or methods may be similarly employed by those skilled in the art without departing from the scope of the invention as defined in the appending claims.