CN210768231U

CN210768231U - Connecting rod lock for column head cabinet

Info

Publication number: CN210768231U
Application number: CN201921390491.XU
Authority: CN
Inventors: 章浩
Original assignee: Anp Electric Beijing Co ltd
Current assignee: Anp Electric Beijing Co ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-06-16
Anticipated expiration: 2029-08-24

Abstract

The utility model relates to a connecting rod lock for a column head cabinet, which comprises a shell, a rotating shaft, a gear, a rack, a positioning component, a handle and a return spring; the rotating shaft is rotatably arranged on the shell and extends from the inside to the outside of the shell; the gear is arranged on the rotating shaft in the shell; the two racks are connected to the inner side wall of the shell in a sliding mode, located on two sides of the gear and meshed with the gear; the positioning component comprises a connecting rod, a positioning ring and a positioning groove; two connecting rods are fixed on the rack and extend to the outer side of the shell; the positioning ring is fixed on the upper edge and the lower edge of the door, and the connecting rod passes through the positioning ring; the positioning groove is arranged on the door frame, and the connecting rod can be inserted into the positioning groove; the handle is hinged on the rotating shaft, and the rotating direction of the handle is vertical to that of the rotating shaft; the shell is provided with a groove, and the handle can be embedded into the groove by rotating; the reset spring is sleeved on the connecting rod, and two ends of the reset spring are respectively fixed on the rack and the inner wall of the shell. The utility model discloses after changeing the handle recess, can withdraw the connecting rod automatically.

Description

Connecting rod lock for column head cabinet

Technical Field

The utility model relates to a tool to lock, in particular to a connecting rod lock for arranging first cabinet.

Background

The link lock is a lock for locking a metal plate type cabinet frame or similar door frames, the column head cabinet is equipment for providing network wiring transmission service or power distribution management for cabinets arranged in rows or divided according to functional areas, and the link lock is used on the column head cabinet door and serves as a locking device of the column head cabinet.

The connecting rod lock generally comprises a base, a handle, a lock cylinder and a connecting rod, wherein the base is fixed on a door leaf, the handle is rotatably connected onto the base, the lock cylinder is positioned inside the base and is connected with the handle, the connecting rod is connected with the lock cylinder, the connecting rod is parallel to a door edge, a rod hole corresponding to the connecting rod is formed in a corresponding door frame, the lock cylinder is driven to rotate through rotation of the handle, the connecting rod is made to stretch up and down, the connecting rod is made to be inserted into the corresponding rod hole, and the function of positioning and locking is achieved.

When the cabinet is used, when a worker operates equipment in the first row cabinet, the door of the first row cabinet is opened, the connecting rods move up and down respectively by rotating the handle and are drawn out from the corresponding rod holes, and then the cabinet door is opened; however, in the opening process, because the door is opened urgently, or because the door is talking with other people at the moment, attention is not put on the door, and when the cabinet door is opened, the door may be pulled outwards when the handle is not completely rotated to the state that the connecting rod is pulled out of the rod hole; the first cabinet is generally a higher cabinet, the fixed positions of the connecting rod locks are at the upper end and the lower end of the door frame, the longer distance in the middle is not fixed, the base of the connecting rod lock is generally fixed at the middle position of the door, when the middle position is pulled outwards forcibly, if the connecting rods at the upper end and the lower end are still partially in the rod holes, the connecting rods are not withdrawn in time, the middle part of the door frame is easy to deform outwards, the door and the connecting rod locks are easy to damage, and the first cabinet can be continuously used after the door and the connecting rod locks are repaired or replaced, which is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a link lock for arranging first cabinet, it can be withdrawed the connecting rod is automatic after removing the restriction to the handle, reduces to appear because the connecting rod is withdrawed incompletely and is opened just to the pulling door, and makes the condition that the door produced the deformation.

The above object of the present invention can be achieved by the following technical solutions: a connecting rod lock for a column head cabinet comprises a shell, a rotating shaft, a gear, a rack, a positioning assembly, a handle and a return spring; the rotating shaft is rotatably arranged at one end of the shell and extends from the inside to the outside of the shell; the gear is arranged on the rotating shaft in the shell; the two racks are connected to the inner side wall of the shell in a sliding mode, located on two sides of the gear and meshed with the gear; the positioning component comprises a connecting rod, a positioning ring and a positioning groove; two connecting rods are fixed on the rack and extend to the outer side of the shell; the positioning ring is fixed on the upper edge and the lower edge of the door, and the connecting rod passes through the positioning ring; the positioning groove is arranged on the door frame, and the connecting rod can be inserted into the positioning groove; the handle is hinged on the rotating shaft; the rotation direction of the handle is vertical to the rotation direction of the rotating shaft; the shell is provided with a groove, and the handle can be embedded into the groove by rotating; the reset spring is sleeved on the connecting rod, two ends of the reset spring are respectively fixed on the rack and the inner wall of the shell, the connecting rod is located outside the positioning groove when the reset spring is in the original length, and the handle is rotated to enable the spring to be compressed when the connecting rod is inserted into the positioning groove.

By adopting the technical scheme, when the cabinet door is locked by using the connecting rod lock, the return spring is in the original long state, the connecting rod is in the withdrawing state, the cabinet door is closed, at the moment, the handle is rotated, the two connecting rods are driven to move upwards and downwards through the gear and the rack respectively, the return spring is compressed simultaneously, and when the handle is rotated to be embedded into the embedding groove, the connecting rods are respectively embedded into the corresponding positioning grooves, so that the position of the cabinet door is locked; during the unblock, with the handle from the recess rotated out, under reset spring's effect, the connecting rod contracts to retrieving, deviates from the constant head tank, removes the locking to the cabinet door, and this process need not artificially rotate the handle, withdraws the connecting rod automatically through reset spring effect, can reduce because the condition of the damage of the door that causes of pulling the door under the incomplete condition is retrieved to the connecting rod.

The utility model discloses further set up to: the positioning assembly further comprises a baffle plate and a baffle groove; the rotating shaft penetrates through the shell, and the blocking piece is fixed at the end part of the rotating shaft and is positioned on one side opposite to the handle; the blocking groove is arranged at the position, corresponding to the blocking piece, on the door frame, and the blocking piece can be embedded into the blocking groove by rotating; the separation blade and the connecting rod move synchronously, when the connecting rod is positioned in the positioning groove, the separation blade is clamped in the blocking groove, the connecting rod is drawn out from the positioning groove by rotating the handle, and the separation blade simultaneously rotates out from the blocking groove.

Through adopting above-mentioned technical scheme, when having solved and having used the connecting rod lock to lock the cabinet door, the circumstances that the deformation appears in the middle part that the pulling door made the door easily, under the circumstances that locks the cabinet door in upper and lower both sides through the connecting rod, injectd at the middle part position of door through separation blade and catch groove, pulling door under the circumstances that the lock was lived, the door is difficult to appear warping, and is more firm to the locking of first cabinet of row.

The utility model discloses further set up to: the handle is embedded into the groove, the clamping groove is located in the groove, the output end of the locking assembly can be embedded into the clamping groove, the position of the handle is limited, when the handle is to be rotated out, the output end of the locking assembly can be rotated out of the clamping groove, and the limit on the handle is removed.

Through adopting above-mentioned technical scheme, behind handle embedding recess, through locking Assembly and draw-in groove cooperation, inject handle position, can prevent to appear because the mistake bumps and makes the problem that the handle rolled out from the recess, the condition that the handle was withdrawed from recess roll-out back connecting rod is automatic to be avoided appearing, can strengthen the stability of connecting rod lock locking cabinet door.

The utility model discloses further set up to: the locking assembly comprises a lock cylinder and a lock tongue; the lock core is arranged on the shell; the lock tongue is arranged on the lock core and rotates along with the lock core; after the handle is embedded into the groove, the clamping groove is positioned in the groove, the lock cylinder is rotated to enable the lock tongue to be clamped into the clamping groove, and when the door is opened, the lock cylinder can be rotated to enable the lock tongue to rotate out of the clamping groove and the handle to rotate out of the groove.

By adopting the technical scheme, after the handle is locked, the lock core is rotated to drive the lock tongue to rotate out of the clamping groove, and the locking safety of the connecting rod lock can be further improved.

The utility model discloses further set up to: a sliding groove is formed in the rack; a sliding rail is arranged on the inner wall of the shell at a position corresponding to the rack; the sliding rail is matched with the sliding groove, and the rack can slide in the vertical direction along the sliding rail.

Through adopting above-mentioned technical scheme, the rack passes through slide rail and sliding tray and casing sliding connection, makes the rack remove along the direction of slide rail, can reduce the rocking that probably appears at the removal in-process rack, and simultaneously, the cooperation between rack and the gear is more stable, reduces the wearing and tearing to gear and rack.

The utility model discloses further set up to: one end of the handle, which is far away from the rotating shaft, is provided with a blocking edge, and when the handle is embedded into the groove, the blocking edge partially extends out of the groove.

Through adopting above-mentioned technical scheme, with back in the handle embedding recess, keep off outside can stretching out the recess along, when unblanking, can rotate out the handle from the recess through stirring the fender edge, it is more convenient to operate.

To sum up, the utility model discloses following beneficial effect has:

1. by arranging the return spring, when the door is unlocked, after the handle is rotated out of the groove, the manual operation is not needed, under the action of the return spring, the two racks respectively move upwards and downwards along the sliding rail, the two connecting rods are pulled out from the corresponding positioning grooves, and the limitation on the door of the cabinet is removed; the connecting rod can be automatically retracted through arrangement, when the door is opened, as long as the handle is rotated out of the groove, the connecting rod can be retracted, the problem that the connecting rod is not retracted completely is avoided, the problem that the door is deformed due to the fact that the door is pulled due to incomplete retraction of the connecting rod is avoided, and meanwhile, the operation is more convenient;

2. the connecting rod lock is provided with the blocking piece, the blocking piece and the two connecting rods move synchronously, the connecting rod and the blocking piece can be simultaneously controlled to be embedded into the corresponding grooves through the handle, and the operation is convenient; the position of three position to the door is locked in the last middle-in-bottom of door, and the connecting rod spurs the door when inlaying in the constant head tank, reduces the condition that the deformation appears in the door, and is more firm to the fixed of cabinet door, has promoted the security.

Drawings

FIG. 1 is a schematic view of a link lock installed on a cabinet door;

FIG. 2 is a cross-sectional view of the link lock;

FIG. 3 is a schematic view of the link lock in an open state;

FIG. 4 is a schematic view of the link lock in a closed state;

fig. 5 is a rear schematic view of a link lock mounted on a cabinet door.

In the figure, 1, a housing; 11. a groove; 12. a slide rail; 2. a rotating shaft; 3. a gear; 4. a rack; 41. a sliding groove; 5. a positioning assembly; 51. a connecting rod; 52. a positioning ring; 53. positioning a groove; 54. a baffle plate; 55. a baffle groove; 6. a handle; 61. a card slot; 62. blocking edges; 7. a return spring; 8. a lock cylinder; 81. and a lock tongue.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1 and 2, a link lock for a column head cabinet comprises a shell 1, a rotating shaft 2, a gear 3, a rack 4, a positioning component 5, a handle 6 and a return spring 7; the rotating shaft 2 is rotatably arranged at one end of the shell 1 and extends from the inside to the outside of the shell 1; the gear 3 is positioned inside the shell 1 and arranged on the rotating shaft 2; two racks 4 are connected to the inner side wall of the shell 1 in a sliding mode, are positioned on two sides of the axis of the gear 3 and are meshed with the gear 3; sliding grooves 41 are vertically arranged on two opposite side surfaces of the rack 4; a sliding rail 12 is arranged on the inner wall of the shell 1 corresponding to the rack 4; the rack 4 can slide up and down along the slide rail 12; the positioning component 5 is connected with the rack 4, and the positioning component 5 is driven to perform positioning by the up-and-down sliding of the rack 4; the positioning assembly 5 comprises a connecting rod 51, a positioning ring 52 and a positioning groove 53; two connecting rods 51 are respectively fixed on the end surfaces of the two racks 4, the two connecting rods 51 are arranged in opposite directions, through holes are formed in corresponding positions on the shell 1, and the connecting rods 51 penetrate out of the through holes; two positioning rings 52 are respectively fixed at the upper edge and the lower edge of the door, two connecting rods 51 penetrate through the corresponding positioning rings 52, and the connecting rods 51 are kept in a vertical state; the positioning grooves 53 are provided at positions on the door frame corresponding to the links 51, and the links 51 can be inserted into the corresponding positioning grooves 53; the handle 6 is positioned on the outer side of the shell 1 and hinged at the end part of the rotating shaft 2, and the rotating direction of the handle 6 around the rotating shaft 2 is vertical to the rotating direction of the rotating shaft 2; a groove 11 is arranged on the side surface of the shell 1 where the handle 6 is positioned, and the handle 6 can be rotatably arranged in the groove 11; when the handle 6 is positioned in the groove, the handle can rotate in the vertical direction, and after the handle is rotated out of the groove 11, the rotating shaft 2 can be driven to rotate in the horizontal direction together, so that the gear 3 rotates to drive the rack 4 to slide in the opposite direction, and the two connecting rods 51 respectively slide in the upper and lower directions and are inserted into the corresponding positioning grooves 53; reset spring 7 has two, establish respectively on connecting rod 51, reset spring 7's both ends are fixed respectively on rack 4 and on the inboard surface of casing 1, when reset spring 7 was in original length state, connecting rod 51 was located outside the constant head tank 53, handle 6 was the horizontality this moment, twist grip 6 to vertical state, rack 4 moved to the upper and lower both sides this moment, reset spring 7 was compressed, connecting rod 51 can insert in the constant head tank 53, revolute axle 2 with handle 6 this moment and rotate, make it be located recess 11, prevent that it from rotating.

When the connecting rod lock is used for locking the cabinet door of the column head cabinet, the handle 6 is positioned in the groove 11, when the cabinet door is opened, the handle 6 is firstly rotated to be rotated out of the groove 11, the return spring 7 is in a compressed state at the moment, and under the action of the return force, the rack 4 can drive the connecting rod 51 to be retracted and separated from the corresponding positioning groove 53; after the handle 6 is rotated out of the groove 11, the connecting rod 51 can be automatically recovered under the action of the return spring 7, the handle 6 does not need to be manually rotated to recover the connecting rod 51, the door can be prevented from being pulled outwards under the condition that the connecting rod 51 is not completely separated from the positioning groove 53 to a greater extent, and the situation that the door is deformed due to the fact that the door is not completely pulled when the door is opened can be reduced.

When the handle 6 of the connecting rod lock is rotated out of the groove 11 in use, the connecting rod 51 can be automatically pulled out of the positioning groove 53 under the action of the return spring 7, and at the moment, the door is opened; if the cabinet is touched carelessly in the daily use process, the cabinet shakes, the handle 6 can be separated from the groove 11, and the connecting rod is automatically recovered; or a child touching the first cabinet may inadvertently rotate the handle 6 out of the way, in which case damage to the equipment inside the cabinet may occur, and in addition, danger may occur; in order to solve the problem, referring to fig. 3 and 4, the utility model is provided with a lock cylinder 8, wherein the lock cylinder 8 is arranged at one end of the shell 1 opposite to the rotating shaft 2; a clamping groove 61 is arranged on the end surface of the handle 6 at one side of the lock cylinder 8; the lock cylinder 8 is provided with a bolt 81, the bolt 81 can rotate along with the lock cylinder, after the handle 6 is rotated into the groove 11, the lock cylinder 8 is rotated through a key, the bolt 81 can be driven to be clamped into the clamping groove 61, and the handle 6 is limited in the groove 11; the handle 6 is provided with the blocking edge 62, and when the handle 6 is located in the groove 11, the blocking edge 62 partially protrudes out of the groove 11, so that the handle 6 can be conveniently rotated out.

Through setting up lock core 8, go into recess 11 with handle 6 card after, use the key to rotate lock core 8, make spring bolt 81 card advance draw-in groove 61, inject the position of handle 6 in recess 11, only after using the key to rotate lock core 8, rotate spring bolt 81 from draw-in groove 61, just can follow recess 11 with handle 6 and roll out, withdraw connecting rod 51. Can reduce because maloperation or have child to open the condition of cabinet door, avoid causing the damage or taking place danger to interior equipment, promote the security and the stability of connecting rod lock.

The row head cabinet is generally a higher cabinet body, the upper side and the lower side of a cabinet door are fixed by using a connecting rod lock, the middle position of the cabinet door is not limited, if someone pulls the door in the middle of the cabinet door under the condition that the connecting rod lock is closed, the middle of the cabinet door deforms, objects in the cabinet can be reached from the outside, and the safety is low; to solve this problem, referring to fig. 5, the present invention is provided with a blocking piece 54; the rotating shaft 2 penetrates through the shell 1, and the blocking piece 54 is arranged on the rotating shaft 2 and is positioned on one side of the shell 1 opposite to the handle 6; a blocking groove 55 is formed in the position, corresponding to the blocking piece 54, of the doorframe, and the blocking piece 54 can rotate to enter the blocking groove 55; when the connecting rod 51 is in a retracted state, the blocking piece 54 is in a vertical state, the connecting rod 51 is inserted into the corresponding positioning groove 53 by rotating the handle 6, meanwhile, the blocking piece 54 rotates to be in a horizontal state and is clamped into the blocking groove 55, and the cabinet door is limited from the upper position, the middle position and the lower position of the cabinet door.

Through setting up separation blade 54 and keeping off slot 55, prescribe a limit to the cabinet door position in the middle part position of cabinet door to separation blade 54 and connecting rod 51 time synchronous motion, under the effect of reset spring 7, separation blade 54 can withdraw together along with connecting rod 51, blocks into corresponding groove simultaneously with separation blade 54 through handle 6 with two connecting rod 51. The operation process is more convenient, can promote the fastness of connecting rod lock locking cabinet door.

The embodiment of this embodiment is the utility model discloses preferred embodiment is not according to this restriction the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A connecting rod lock for a column head cabinet comprises a door and a door frame, wherein the connecting rod lock is installed on the door; the method is characterized in that: the connecting rod lock comprises a shell (1), a rotating shaft (2), a gear (3), a rack (4), a positioning assembly (5), a handle (6) and a return spring (7); the rotating shaft (2) is rotatably arranged at one end of the shell (1) and extends from the inside to the outside of the shell (1); the gear (3) is arranged on the rotating shaft (2) in the shell (1); two racks (4) are connected to the inner side wall of the shell (1) in a sliding manner, are positioned on two sides of the gear (3) and are meshed with the gear (3); the positioning assembly (5) comprises a connecting rod (51), a positioning ring (52) and a positioning groove (53); two connecting rods (51) are fixed on the rack (4) and extend to the outer side of the shell (1); the positioning ring (52) is fixed on the upper edge and the lower edge of the door, and the connecting rod (51) penetrates through the positioning ring (52); the positioning groove (53) is arranged on the door frame, and the connecting rod (51) can be inserted into the positioning groove (53); the handle (6) is hinged on the rotating shaft (2); the rotation direction of the handle (6) is vertical to the rotation direction of the rotating shaft (2); a groove (11) is formed in the shell (1), and the handle (6) can be rotatably embedded into the groove (11); the reset spring (7) is sleeved on the connecting rod (51), and two ends of the reset spring are respectively fixed on the rack (4) and the inner wall of the shell (1); when the return spring (7) is at the original length, the connecting rod (51) is positioned outside the positioning groove (53), and the return spring (7) is compressed when the connecting rod (51) is inserted into the positioning groove (53) by rotating the handle (6).

2. A link lock for a column head cabinet according to claim 1, wherein: the positioning assembly (5) further comprises a baffle plate (54) and a baffle groove (55); the rotating shaft (2) penetrates through the shell (1), and the blocking piece (54) is fixed at the end part of the rotating shaft (2) and is positioned on one side opposite to the handle (6); the blocking groove (55) is arranged at the position, corresponding to the blocking piece (54), on the door frame, and the blocking piece (54) can be embedded into the blocking groove (55) in a rotating mode; the blocking piece (54) and the connecting rod (51) move synchronously, when the connecting rod (51) is positioned in the positioning groove (53), the blocking piece (54) is blocked in the blocking groove (55), the connecting rod (51) is drawn out from the positioning groove (53) by rotating the handle (6), and the blocking piece (54) is simultaneously rotated out from the blocking groove (55).

3. A link lock for a column head cabinet according to claim 1, wherein: be provided with the locking Assembly on casing (1), be provided with draw-in groove (61) on handle (6), back in handle (6) embedding recess (11), draw-in groove (61) are located recess (11), and the output of locking Assembly can imbed in draw-in groove (61), prescribe a limit to the position of handle (6), when will rolling out handle (6), the output of locking Assembly can roll out draw-in groove (61), removes the restriction to handle (6).

4. A link lock for a column head cabinet according to claim 3, wherein: the locking assembly comprises a lock cylinder (8) and a lock tongue (81); the lock cylinder (8) is arranged on the shell (1); the bolt (81) is arranged on the lock cylinder (8) and rotates together with the lock cylinder (8); after the handle (6) is embedded into the groove (11), the clamping groove (61) is located in the groove (11), the lock cylinder (8) is rotated to enable the bolt (81) to be clamped into the clamping groove (61), and when the door is opened, the lock cylinder (8) can be rotated to enable the bolt (81) to rotate out of the clamping groove (61), and the handle (6) is rotated out of the groove (11).

5. A link lock for a column head cabinet according to claim 1, wherein: a sliding groove (41) is formed in the rack (4); a sliding rail (12) is arranged on the inner wall of the shell (1) at a position corresponding to the rack (4); the sliding rail (12) is matched with the sliding groove (41), and the rack (4) can slide along the sliding rail (12) in the vertical direction.

6. A link lock for a column head cabinet according to claim 1, wherein: one end of the handle (6) far away from the rotating shaft (2) is provided with a blocking edge (62), and after the handle (6) is embedded into the groove (11), the blocking edge (62) partially extends out of the groove (11).