Torsion angle turning device
Technical Field
The utility model relates to a refrigeration plant field especially relates to an apply to torsion corner ware of refrigerator door.
Background
Refrigerators and freezers are increasingly used in households, particularly in supermarkets, malls and other places, and are popular, for example, for holding drinks to be sold.
Related art's freezer include the cavity cabinet body with install in the freezer door of cabinet body opening side, the freezer door include with cabinet body coupling's frame with be located door leaf in the frame and general the door leaf with the frame rotates the corner ware of connecting.
However, in the related art, the structure of the corner device is complex, and the corner device adopts a hydraulic or electric structure to realize the automatic door closing function, so that the corner device has a large volume, occupies a large space, and is complicated to install and debug.
Therefore, there is a need to provide a new torsion angle device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a torsion angle turning device with simple structure and convenient installation and debugging is provided.
In order to achieve the above object, the present invention provides a torsion corner device, which comprises a base assembly and a balance bar fixed on the base assembly; the base component comprises a shell, a gear and a worm which are horizontally arranged in the shell, a first clamping plate which is covered on the shell and covers the gear and the worm, and a second clamping plate which is overlapped and fixed on the outer side of the first clamping plate; the balance rod is fixed on the gear, the balance rod rotates in the positive direction to drive the gear to rotate in the positive direction, the gear and the worm are meshed with each other, and a torque moment is generated through a transmission ratio between the gear and the worm and enables the balance rod to rotate in the reverse direction when the balance rod is free from external force; the first clamping plate and the second clamping plate are used for being fixed at installation positions and are riveted with the gear through riveting pieces.
Preferably, the base assembly further comprises a cover plate located on one side of the first clamping plate away from the second clamping plate, and the cover plate covers the gear and the worm and is fixed to the casing.
Preferably, the cover plate is fixed to the housing by a latch.
Preferably, the base component further comprises a fine adjustment screw rod which is horizontally arranged and extends along the long axis direction of the shell, one end of the fine adjustment screw rod is clamped on the shell, the other end of the fine adjustment screw rod penetrates through the first clamping plate and is in threaded connection with the first clamping plate, and the shell moves relative to the first clamping plate along the axial direction of the fine adjustment screw rod by rotating the fine adjustment screw rod.
Preferably, the balancing rod comprises a shaft core, a horn gear sleeved and fixed at the bottom end of the shaft core, a wheel seat sleeved and fixed on the shaft core, a first rubber sleeve sleeved and fixed on the shaft core, and a shaft sleeve sleeved and fixed on the first rubber sleeve; the horn wheel is fixed in the gear, the wheel seat is located the horn wheel is kept away from one side of gear, first gum cover with the axle sleeve all is located the wheel seat is kept away from one side of horn wheel.
Preferably, the gear is provided with a shaft hole penetrating through the gear, and the horn ring is clamped in the shaft hole and fixedly connected with the gear.
Preferably, the shaft core is a four-corner shaft core, and the corner wheel is a hexagonal corner wheel.
Preferably, the balancing pole further comprises a second rubber sleeve which is sleeved on the shaft core and partially wraps the wheel seat.
Compared with the prior art, the utility model discloses a torsion corner ware includes base subassembly and balancing pole, the balancing pole is fixed in the base subassembly the gear, balanced commentaries on classics forward rotates in order to drive the gear forward rotates, the gear with worm intermeshing just produces torsion moment through the drive ratio between the two, and this torsion moment makes reverse rotation when the balancing pole does not receive external force, when being used for the cold cabinet door, one side fixed mounting of its door leaf in the balancing pole opens the door through the door leaf and drives the balancing pole forward rotates, realizes opening the door, through the torsion moment that torsion corner ware produced realizes closing the door automatically, simple structure, convenient operation, and the installation and debugging of mechanical linkage is simple.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of the torsion angle turning device of the present invention;
fig. 2 is a schematic structural view of a base assembly of the torsion angle converter of the present invention;
FIG. 3 is an exploded view of the partial perspective structure of FIG. 2;
fig. 4 is a schematic structural view of a balance bar of the torsion angle rotator of the present invention;
fig. 5 is a partially exploded view illustration of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a torsion angle device 100, which includes a base assembly 1 and a balance bar 2 fixed to the base assembly 1.
The base component 1 comprises a hollow shell 11 with an opening on one side, a gear 12 and a worm 13 horizontally arranged in the shell 11, a first clamping plate 14 covering the shell 11 and covering the gear 12 and the worm 13, a cover plate 16 which is arranged on one side of the first clamping plate 14 far away from the second clamping plate 15 and is used for overlapping and fixing a second clamping plate 15 on the outer side of the first clamping plate 14, and a fine adjustment screw 17 which is horizontally arranged and extends along the long axis direction of the shell 11.
The balance bar 2 is fixed on the gear 12, the balance bar 2 rotates in the positive direction to drive the gear 12 to rotate in the positive direction, the gear 12 and the worm 13 are meshed with each other, and a torque moment is generated through a transmission ratio between the gear 12 and the worm 13 and enables the balance bar 2 to rotate in the reverse direction when no external force is applied to the balance bar 2.
The first clamping plate 14 and the second clamping plate 15 are used for being fixed at an installation position and are riveted with the gear 12 through a riveting piece 18.
The cover plate 16 covers the gear 12 and the worm 13 and is fixed to the housing 11. The cover plate 16 is used for protecting and limiting the gear 12 and the worm 13, so that the reliability is improved, and of course, the cover plate 16 can be omitted. In the present embodiment, the cover 16 is fixed to the housing 11 by a latch 19.
One end of the fine adjustment screw 17 is clamped in the housing 11, and the other end of the fine adjustment screw penetrates through the first clamping plate 14 and is in threaded connection with the first clamping plate 14. By rotating the fine adjustment screw 17, the housing 11 is moved relative to the first card 14 along the axial direction of the fine adjustment screw 17.
The balancing pole 2 comprises a shaft core 21, a corner wheel 22 fixed at the bottom end of the shaft core 21 in a sleeved mode, a wheel seat 23 fixed on the shaft core 21 in a sleeved mode, a first rubber sleeve 24 fixed on the shaft core 21 in a sleeved mode, a shaft sleeve 25 fixed on the first rubber sleeve 24 in a sleeved mode, and a second rubber sleeve 26 sleeved on the shaft core 21 and partially wrapping the wheel seat 23.
In the present embodiment, the shaft core 21 is a quadrangular shaft core.
The horn 22 is fixed to the gear 12, and in this embodiment, the horn is a hexagonal horn. Preferably, the gear 12 is provided with a shaft hole 121 penetrating therethrough, and the caster 22 is clamped in the shaft hole 121 and is fixedly connected with the gear 12.
The wheel seat 23 is located on a side of the horn gear 22 away from the gear 12.
The first rubber sleeve 24 and the shaft sleeve 25 are both positioned on one side of the wheel seat 23 far away from the horn gear 22.
When the torsion angle device 100 of the present invention is applied to a door of a refrigerator, the door of the refrigerator includes an outer frame and a door leaf. The base assembly 1 of the torsion angle turning device 100 is fixedly arranged on one side, close to the door leaf, of the bottom end of the outer frame through the first clamping plate 14 and the second clamping plate 15, so that the balance rod 2 penetrates through one side of the door leaf and is fixed with the door leaf through the wheel seat 23.
The door leaf drives the balance rod 2 to rotate in the positive direction when the door leaf is opened, so that the gear 12 of the base component 1 is driven to rotate in the positive direction to drive the base component to generate a torque force, and the torque force drives the balance rod 2 to rotate in the reverse direction when the door leaf 2 does not have an external force effect, so that an automatic door closing function is realized, and the door leaf is convenient to use.
The torsion angle turning device 100 is not only a rotating shaft connecting piece of the door leaf, but also a part for automatically closing the door leaf, and the installation position of the door leaf can be finely adjusted left and right by the fine adjustment screw 17. Namely, the gravity center of the balancing rod 2 is adjusted by utilizing the fine adjustment function of the fine adjustment screw rod 17, so that the door leaf automatically rotates inwards due to instability when being opened, and the function of automatic closing is achieved.
Compared with the prior art, the utility model discloses a torsion corner ware includes base subassembly and balancing pole, the balancing pole is fixed in the base subassembly the gear, balanced commentaries on classics forward rotates in order to drive the gear forward rotates, the gear with worm intermeshing just produces torsion moment through the drive ratio between the two, and this torsion moment makes reverse rotation when the balancing pole does not receive external force, when being used for the cold cabinet door, one side fixed mounting of its door leaf in the balancing pole opens the door through the door leaf and drives the balancing pole forward rotates, realizes opening the door, through the torsion moment that torsion corner ware produced realizes closing the door automatically, simple structure, convenient operation, and the installation and debugging of mechanical linkage is simple.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.