CN221568187U - Synchronous belt transmission type cabinet door lock structure - Google Patents

Abstract

The utility model relates to the technical field of cabinet door locks, in particular to a synchronous belt transmission type cabinet door lock structure which comprises a door lock assembly arranged on a cabinet door, wherein the inner side of the door lock assembly is in transmission connection with a first rotary locking assembly, the upper side and the lower side of the first rotary locking assembly are respectively provided with a second rotary locking assembly and a third rotary locking assembly, the first rotary locking assembly is in transmission connection with the second rotary locking assembly and the third rotary locking assembly through a rack pull rod, a transmission rope and a synchronous belt, and the two ends of the rack pull rod and the two ends of the synchronous belt are fixedly connected with the transmission rope. According to the synchronous belt transmission type cabinet door lock structure, when the handle is rotated, the rack pull rod, the transmission rope and the synchronous belt form a composite transmission structure to realize linkage of all locking points, the transmission structure is simple, the use is convenient, and the occupied space is small.

Description

Synchronous belt transmission type cabinet door lock structure

Technical Field

The utility model relates to the technical field of cabinet door locks, in particular to a synchronous belt transmission type cabinet door lock structure.

Background

In the prior art, the cabinet door lock mainly comprises an electric power lock, a lock box inner handle, a rotating arm, a lock rod support and the like, when the lock is unlocked, the lock box outer cover is lifted, after the electric power lock is opened by a key, the lock box inner handle is taken out, the rotating arm at the rear of the lock box is driven to rotate by rotating the lock box inner handle, thereby driving the door plate lock rod to move up and down, the lock rod respectively penetrates through a door lock support limiting hole fixed at the upper end and the lower end of the inner side of the door plate, and the upper cross beam and the lower flange of a cabinet door frame are respectively locked at two points up and down, and the locking and the unlocking of the cabinet door are realized by forward and reverse rotation of the handle. The door lock has a simple structure, so that the door lock is widely applied in the industry at present, but the defects of the door lock are not ignored, and the main defects are as follows: 1. the whole set of the existing door lock mechanism has larger installation size, so that the door lock mechanism which needs to be avoided in the cabinet door has too large moving space, is not suitable for a compact structure in the cabinet, and is easy to cause the interference of the moving track of other mechanisms and the moving track of the door lock mechanism; 2. because the locking point is single in the existing door lock structure, the cabinet door is not firmly locked.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a synchronous belt transmission type cabinet door lock structure.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a hold-in range transmission formula cabinet door lock structure, is including installing the lock subassembly on the cabinet door, and the inboard transmission of lock subassembly is connected with first rotatory locking subassembly, and the upper and lower both sides of first rotatory locking subassembly are provided with rotatory locking subassembly of second and rotatory locking subassembly of third respectively, pass through rack pull rod, drive rope and hold-in range transmission connection between rotatory locking subassembly of first rotatory locking subassembly and second rotatory locking subassembly, the rotatory locking subassembly of third, the equal fixedly connected with drive rope in rack pull rod, hold-in range's both ends.

Preferably, a fourth rotary locking assembly is arranged beside the second rotary locking assembly and/or the third rotary locking assembly, and a transmission guide wheel is arranged at the bottom of the second rotary locking assembly and the bottom of the third rotary locking assembly.

Preferably, the door lock assembly comprises a door lock shell, a handle, a lock cylinder, a door lock base and a lock cylinder base, wherein a handle rotating shaft is rotationally arranged in the door lock shell, one end of the handle rotating shaft is rotationally connected with the handle through a pin, a first gear is arranged at the other end of the handle rotating shaft, the lock cylinder is arranged on the handle, the door lock base and the lock cylinder base are fixedly arranged on the inner side of a cabinet door, a second gear and a third gear are arranged at the bottom of the first rotary locking assembly, the second gear is meshed with the first gear, and the third gear is meshed with the rack pull rod.

Preferably, the first rotary locking assembly, the second rotary locking assembly, the third rotary locking assembly and the fourth rotary locking assembly all comprise lock shells, shaft rods and lock bolts, the upper end of each shaft rod is provided with external threads and is fixedly provided with the lock bolts through nuts, the lock shells are fixedly arranged on cabinet doors and are internally provided with spiral guide structures matched with the shaft rods, the lower ends of the spiral guide structures are connected with turntables, limit grooves matched with the spiral guide structures are formed in the turntables, connecting shafts are arranged at the lower ends of the turntables, second gears and third gears are arranged at the lower ends of the connecting shafts in the first rotary locking assembly and meshed with the first gears, the third gears are meshed with rack pull rods, and synchronous wheels are arranged at the lower ends of the connecting shafts in the second rotary locking assembly, the third rotary locking assembly and the fourth rotary locking assembly and are matched with synchronous belts.

Preferably, the spiral guide structure comprises an outer guide sleeve and an inner guide sleeve which are sleeved with each other, the outer guide sleeve is fixedly matched with the lock shell, the inner guide sleeve is in running fit with the shaft rod, a through hole is formed in the lower end of the shaft rod, a cylindrical pin is inserted in the through hole, spiral grooves which are in sliding fit with the cylindrical pin are symmetrically formed in the inner guide sleeve, limit posts matched with the limit grooves are arranged at the lower end of the inner guide sleeve, and L-shaped grooves which are in sliding fit with the cylindrical pin are symmetrically formed in the outer guide sleeve.

Preferably, the cabinet door also comprises a guide assembly, wherein the guide assembly comprises a support fixed on the inner side of the cabinet door, and two pulleys are symmetrically arranged on the support.

Preferably, the driving rope is a steel wire rope.

The beneficial effects of the utility model are as follows: according to the synchronous belt transmission type cabinet door lock structure, when the handle is rotated, the rack pull rod, the transmission rope and the synchronous belt form a composite transmission structure to realize linkage of all locking points, the transmission structure is simple, the use is convenient, and the occupied space is small.

Drawings

The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.

Fig. 1 is a schematic diagram of an embodiment of a synchronous belt driving type cabinet door lock structure according to the present utility model.

Fig. 2 is another schematic diagram of an embodiment of a synchronous belt drive type door lock structure of a cabinet according to the present utility model.

Fig. 3 is a schematic diagram of a door lock structure of a synchronous belt driving type cabinet according to an embodiment of the present utility model.

Fig. 4 is another schematic diagram of a second embodiment of a synchronous belt-driven door lock structure of a cabinet according to the present utility model.

Fig. 5 is an enlarged view of a portion of the door lock assembly of fig. 2.

Fig. 6 is an enlarged view of a portion of the door lock assembly of fig. 1.

Fig. 7 is a schematic diagram of a door lock assembly in a synchronous belt driven type door lock structure according to the present utility model.

Fig. 8 is a schematic diagram of a rack bar in a synchronous belt driven cabinet door lock structure according to the present utility model.

Fig. 9 is a schematic diagram of a first rotary locking assembly and a handle shaft in a synchronous belt driven cabinet door lock structure according to the present utility model.

Fig. 10 is a schematic diagram of the cooperation of the second rotary locking assembly and the synchronous belt in the synchronous belt driven cabinet door lock structure according to the present utility model.

Fig. 11 is another schematic diagram of a second rotary locking assembly and a timing belt in a timing belt driven cabinet door lock structure according to the present utility model.

Fig. 12 is an exploded view of a second rotary locking assembly in a synchronous belt drive cabinet door lock structure according to the present utility model.

Fig. 13 is a schematic view of a spiral guide structure in a synchronous belt drive type cabinet door lock structure according to the present utility model.

Fig. 14 is a schematic view of a guide assembly in a synchronous belt drive cabinet door lock structure according to the present utility model.

The reference numerals shown in the figures are represented as: 1. a cabinet door; 2. a door lock assembly; 201. a door lock housing; 202. a handle; 203. a lock core; 204. a door lock base; 205. a lock core base; 206. a handle rotation shaft; 207. a first gear; 208. a pin; 209. a second gear; 210. a third gear; 3. a first rotary locking assembly; 4. a second rotary locking assembly; 401. a lock case; 402. a synchronizing wheel; 403. a shaft lever; 404. a bolt; 405. an outer guide sleeve; 406. an inner guide sleeve; 407. a turntable; 408. a connecting shaft; 409. a through hole; 410. an L-shaped groove; 411. a spiral groove; 412. a limit column; 413. a limit groove; 5. a third rotary locking assembly; 6. a rack pull rod; 7. a driving rope; 8. a synchronous belt; 9. a guide assembly; 901. a support; 902. a pulley; 10. a fourth rotary locking assembly; 11. and a transmission guide wheel.

Detailed Description

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Example 1

Referring to fig. 1, 2, 5 to 14, in this embodiment, the structure is as follows: the utility model provides a hold-in range transmission formula cabinet door lock structure, including installing the lock subassembly 2 on cabinet door 1, the inboard transmission of lock subassembly 2 is connected with first rotatory locking subassembly 3, the upper and lower both sides of first rotatory locking subassembly 3 are provided with rotatory locking subassembly 4 of second and rotatory locking subassembly 5 of third respectively, pass through rack pull rod 6 between rotatory locking subassembly 3 and the rotatory locking subassembly 4 of second, the rotatory locking subassembly 5 of third, drive rope 7 and hold-in range 8 transmission connection, rack pull rod 6, hold-in range 8's both ends are all fixedly connected with drive rope 7.

As further shown in fig. 2 and 5 to 8, the door lock assembly 2 includes a door lock housing 201, a handle 202, a lock cylinder 203, a door lock base 204, and a lock cylinder base 205, a handle rotation shaft 206 is rotatably disposed in the door lock housing 201, one end of the handle rotation shaft 206 is rotatably connected with the handle 202 through a pin 208, a first gear 207 is installed at the other end of the handle rotation shaft 206, the lock cylinder 203 is installed on the handle 202, the door lock base 204 and the lock cylinder base 205 are fixedly installed inside the cabinet door 1, a second gear 209 and a third gear 210 are installed at the bottom of the first rotary locking assembly 3, the second gear 209 is meshed with the first gear 207, and the third gear 210 is meshed with the rack bar 6. The utility model realizes the linkage of each locking point through a composite transmission structure formed by the rack pull rod 6, the transmission rope 7 and the synchronous belt 8 when the handle 202 is rotated, and has simple transmission structure and convenient use.

Further as shown in fig. 9, 10, 11, 12 and 13, the first rotary locking component 3, the second rotary locking component 4 and the third rotary locking component 5 all comprise a lock shell 401, a shaft rod 403 and a lock tongue 404, the upper end of the shaft rod 403 is provided with external threads and is fixedly provided with the lock tongue 404 through a nut, the lock shell 401 is fixedly installed on the cabinet door 1, a spiral guiding structure matched with the shaft rod 403 is arranged inside the lock shell 401, the lower end of the spiral guiding structure is connected with a rotary table 407, a limit groove 413 matched with the spiral guiding structure is formed in the rotary table 407, a connecting shaft 408 is arranged at the lower end of the rotary table 407, a second gear 209 and a third gear 210 are arranged at the lower end of the connecting shaft 408 in the first rotary locking component 3, the lower end of the connecting shaft 408 in the second rotary locking component 4 and the third rotary locking component 5 is provided with a synchronous wheel 402, the second gear 209 is meshed with the first gear 207, the third gear 210 is meshed with the rack 6, and the synchronous wheel 402 is matched with the synchronous belt 8.

As shown in fig. 12 and 13, the spiral guiding structure includes an outer guide sleeve 405 and an inner guide sleeve 406 which are sleeved with each other, the outer guide sleeve 405 is fixedly matched with the lock shell 401, the inner guide sleeve 406 is rotationally matched with the shaft rod 403, a through hole 409 is formed at the lower end of the shaft rod 403, a cylindrical pin is inserted into the through hole 409, a spiral slot 411 which is in sliding fit with the cylindrical pin is symmetrically formed on the inner guide sleeve 406, a limit post 412 which is matched with the limit slot 413 is arranged at the lower end of the inner guide sleeve 406, and an L-shaped slot 410 which is in sliding fit with the cylindrical pin is symmetrically formed on the outer guide sleeve 405. Specifically, after the lock cylinder 203 is opened, the handle 202 is rotated to drive the handle rotating shaft 206 to rotate, the handle rotating shaft 206 rotates to drive the first gear 207 to rotate, the first gear 207 is driven to drive the second gear 209, thereby driving the first rotary locking assembly 3 and the third gear 210 to rotate, the third gear 210 is driven to drive the rack pull rod 6, the driving rope 7 at two ends is pulled by the rack pull rod 6, the driving rope 7 drives the synchronous belt 8, the synchronous belt 8 is driven to drive the synchronous wheel 402, thereby driving the rotary table 407 of the second rotary locking assembly 4 and the third rotary locking assembly 5 to rotate, the rotary table 407 and the inner guide sleeve 406 synchronously rotate, wherein the inner guide sleeve 406, the outer guide sleeve 405 and the shaft 403 realize linkage through cylindrical pins, the shaft 403 is driven to rotate and stretch along the axial direction, thereby driving the lock tongue 404 on the shaft 403 to rotate, and the door is pressed when the door is locked. The utility model realizes the linkage of each locking point through the composite transmission structure formed by the rack pull rod 6, the transmission rope 7 and the synchronous belt 8 when the handle 202 is rotated, has simple transmission structure and convenient use, and is beneficial to locking the cabinet door.

Further, the driving rope 7 is a steel wire rope. The driving rope 7 adopts a steel wire rope, and the steel wire rope has high tensile strength and can prolong the service life.

Example two

As shown in fig. 3 and 4, in the present embodiment, a fourth rotary latch assembly 10 is provided beside the second rotary latch assembly 4 and/or the third rotary latch assembly 5, and a transmission guide wheel 11 is provided at the bottom of the second rotary latch assembly 4 and the third rotary latch assembly 5. Specifically, the transmission direction of the transmission rope 7 can be changed through the transmission guide wheel 11, so that locking points can be conveniently increased, and the linkage of each locking point is realized through a transmission structure of a composite form formed by the transmission rope 7 and the synchronous belt 8, so that the transmission structure is simple and is favorable for locking a cabinet door.

Example III

As shown in fig. 14, in this embodiment, the cabinet door further comprises a guide assembly 9, wherein the guide assembly 9 comprises a support 901 fixed on the inner side of the cabinet door 1, and two pulleys 902 are symmetrically arranged on the support 901. Specifically, the driving rope 7 is flexible, so that the guiding component 9 can be added at any point, the driving rope 7 passes through the gap between the two pulleys 902, the driving direction of the driving rope 7 can be changed through the pulleys 902, and the locking point position can be conveniently adjusted.

The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.

Claims (7)

1. The utility model provides a hold-in range transmission formula cabinet door lock structure which characterized in that: including installing lock subassembly (2) on cabinet door (1), the inboard transmission of lock subassembly (2) is connected with first rotatory locking subassembly (3), the upper and lower both sides of first rotatory locking subassembly (3) are provided with second rotatory locking subassembly (4) and third rotatory locking subassembly (5) respectively, pass through rack pull rod (6), driving rope (7) and hold-in range (8) transmission connection between first rotatory locking subassembly (3) and second rotatory locking subassembly (4), third rotatory locking subassembly (5), the both ends of rack pull rod (6), hold-in range (8) are all fixedly connected with driving rope (7).

2. The timing belt driven cabinet door lock structure according to claim 1, wherein: the side of the second rotary locking component (4) and/or the third rotary locking component (5) is provided with a fourth rotary locking component (10), and the bottoms of the second rotary locking component (4) and the third rotary locking component (5) are provided with a transmission guide wheel (11).

3. The timing belt driven cabinet door lock structure according to claim 1, wherein: the door lock assembly (2) comprises a door lock shell (201), a handle (202), a lock cylinder (203), a door lock base (204) and a lock cylinder base (205), wherein a handle rotating shaft (206) is rotationally arranged in the door lock shell (201), one end of the handle rotating shaft (206) is rotationally connected with the handle (202) through a pin (208), a first gear (207) is arranged at the other end of the handle rotating shaft (206), the lock cylinder (203) is arranged on the handle (202), the door lock base (204) and the lock cylinder base (205) are fixedly arranged on the inner side of a cabinet door (1), a second gear (209) and a third gear (210) are arranged at the bottom of the first rotary locking assembly (3), the second gear (209) is meshed with the first gear (207), and the third gear (210) is meshed with a rack pull rod (6).

4. The timing belt driven cabinet door lock structure according to claim 2, wherein: first rotatory locking subassembly (3), rotatory locking subassembly (4) of second, rotatory locking subassembly (5) of third and fourth rotatory locking subassembly (10) all include lock shell (401), axostylus axostyle (403) and spring bolt (404), the upper end of axostylus axostyle (403) is equipped with the external screw thread and is provided with spring bolt (404) through the nut is fixed, lock shell (401) fixed mounting is equipped with the spiral guide structure with axostylus axostyle (403) matched with on cabinet door (1) and lock shell (401) inside, spiral guide structure's lower extreme is connected with carousel (407), set up in carousel (407) with spiral guide structure complex spacing groove (413), and the lower extreme of carousel (407) is provided with connecting axle (408), second gear (209), third gear (210) are installed to connecting axle (408) lower extreme in rotatory locking subassembly (3), second gear (209) mesh with first gear (207), third gear (210) mesh with rack bar (6), rotatory locking subassembly (4), rotatory and locking of third (5) and locking of locking subassembly (8) are connected with synchronous pulley (402).

5. The timing belt driven cabinet door lock structure according to claim 4, wherein: the spiral guide structure comprises an outer guide sleeve (405) and an inner guide sleeve (406) which are sleeved with each other, the outer guide sleeve (405) is fixedly matched with a lock shell (401), the inner guide sleeve (406) is in running fit with a shaft rod (403), a through hole (409) is formed in the lower end of the shaft rod (403), a cylindrical pin is inserted into the through hole (409), spiral grooves (411) which are in sliding fit with the cylindrical pin are symmetrically formed in the inner guide sleeve (406), limiting columns (412) which are matched with the limiting grooves (413) are formed in the lower end of the inner guide sleeve (406), and L-shaped grooves (410) which are in sliding fit with the cylindrical pin are symmetrically formed in the outer guide sleeve (405).

6. The timing belt driven cabinet door lock structure according to claim 1, wherein: the cabinet door is characterized by further comprising a guide assembly (9), wherein the guide assembly (9) comprises a support (901) fixed on the inner side of the cabinet door (1), and two pulleys (902) are symmetrically arranged on the support (901).

7. The synchronous belt driven cabinet door lock structure according to any one of claims 1 to 6, wherein: the transmission rope (7) is a steel wire rope.