CN106593085B

CN106593085B - Power-assisted handle assembly and refrigeration equipment

Info

Publication number: CN106593085B
Application number: CN201611247614.5A
Authority: CN
Inventors: 刘瑾; 刘志海; 丁剑波; 王哲
Original assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2023-05-23
Anticipated expiration: 2036-12-29
Also published as: CN106593085A

Abstract

The invention discloses a power-assisted handle assembly and refrigeration equipment. The power-assisted handle assembly comprises a mounting seat, a handle, a driving arm, a lever, a push rod and a return spring, wherein the driving arm and the lever are rotatably arranged on the mounting seat, a driving part for driving the lever to rotate is further arranged on the driving arm, the driving part abuts against one end part of the lever, the push rod is slidably arranged on the mounting seat, the return spring is arranged between the push rod and the mounting seat, the other end part of the lever abuts against the push rod, and the handle is connected to the driving arm. In the process that the handle drives the driving arm to rotate, the driving part on the driving arm drives the lever to rotate, the other end part of the lever stretches out by utilizing the principle of the lever to achieve the function of assisting in opening the door, and because the stroke of the handle is large enough, a user can apply smaller force to the handle to realize assisting in opening the door when pulling the handle, so that the assisting effect of optimizing the assisting handle assembly is achieved, and the user experience is improved.

Description

Power-assisted handle assembly and refrigeration equipment

Technical Field

The invention relates to refrigeration equipment, in particular to a power-assisted handle assembly and refrigeration equipment.

Background

At present, an incubator for refrigeration equipment (refrigerator, freezer, etc.) generally includes a cabinet body and a door body, and a handle is arranged on the door body for opening the door, and because the temperature in the cabinet body is low, negative pressure is easily formed, which results in difficulty in opening the door body. Chinese patent No.: 201520668906.0 discloses a helping hand handle structure, specifically discloses through button drive handle push rod removal, the handle push rod will drive the pivot and rotate, realizes that the kicking block stretches out and pushes up and realize helping hand door opening on the box (refer to above-mentioned patent specification and drawing specifically). However, in the above technical scheme, in the in-service use process, because the button is limited in the handle seat, the stroke of button is shorter, can not exert the leverage of pivot, and the user needs to exert the force that increases just can make the kicking block top open the door body, and the helping hand effect is relatively poor, and user experience nature is relatively poor. How to design a power-assisted handle with good power-assisted effect and good user experience is the technical problem to be solved by the invention.

Disclosure of Invention

The invention provides a power-assisted handle assembly and refrigeration equipment, which realize the optimization of the power-assisted effect of the power-assisted handle assembly and improve the user experience.

In order to achieve the technical purpose, the invention is realized by adopting the following technical scheme:

the utility model provides a helping hand handle subassembly, includes mount pad, handle, actuating arm, lever, push rod and reset spring, the actuating arm with the equal rotatable setting of lever is in on the mount pad, still be provided with on the actuating arm and be used for the drive lever pivoted drive division, drive division supports and leans on one end of lever, the push rod slides and sets up on the mount pad, the push rod with be provided with between the mount pad reset spring, the other end of lever supports and leans on the push rod, the handle is connected on the actuating arm.

Further, the driving arm is rotatably arranged on the mounting seat through a first rotating shaft, the lever is rotatably arranged on the mounting seat through a second rotating shaft, and the axis of the first rotating shaft is perpendicular to the axis of the second rotating shaft.

Further, the handle is rotatably arranged on the driving arm through a third rotating shaft, the axis of the third rotating shaft is parallel to the axis of the first rotating shaft, and the driving part extends out of the driving arm and is positioned between the axis of the first rotating shaft and the axis of the second rotating shaft.

Further, the mounting seat is further provided with an arc-shaped guide groove for guiding the handle to slide, the handle is provided with a sliding block, and the sliding block is arranged in the arc-shaped guide groove in a sliding mode.

Furthermore, the push rods are respectively arranged at the two ends of the mounting seat, each push rod is correspondingly provided with a matched reset spring, a lever and a driving arm, and the handle is connected between the two driving arms.

Further, a cushion pad is arranged at the free end part of the push rod.

Further, a pressing piece used for limiting the lever is arranged at the end part, contacted with the lever, of the push rod, and the end part, contacted with the push rod, of the lever is clamped between the pressing piece and the mounting seat.

Further, a distance between a contact point formed by the lever and the push rod and the rotation axis of the lever is L1, and a distance between a contact point formed by the lever and the driving part and the rotation axis of the lever is L2; l1: l2 is not less than 1.1.

The invention also provides refrigeration equipment, which comprises a box body, a door body arranged on the box body and the power-assisted handle assembly; the mounting seat of the power-assisted handle assembly is mounted on the door body, and the push rod of the power-assisted handle assembly is arranged towards the frame of the box body.

Further, the side wall of the door body is provided with a mounting groove, and the mounting seat is embedded in the mounting groove; when the handle of the power-assisted handle assembly is not stressed, the surface of the handle is flush with the side wall of the door body or the handle is trapped in the mounting groove.

Compared with the prior art, the invention has the advantages and positive effects that: the force applied by the handle is transferred to the lever through the driving arm, the handle has enough large movable space, so that a large stroke can be provided, the driving part on the driving arm drives the lever to rotate in the process of driving the driving arm to rotate by the handle, the other end part of the lever is extended out by utilizing the principle of the lever, the function of assisting in opening the door is achieved, and because the stroke of the handle is large enough, a user can apply small force to the handle to realize assisting in opening the door when pulling the handle, the assisting effect of optimizing the assisting handle assembly is achieved, and the user experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of a power assist handle assembly according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a portion of the area A of FIG. 1;

FIG. 3 is a second schematic structural view of an embodiment of the assist grip assembly of the present invention;

fig. 4 is a partially enlarged schematic view of the region B in fig. 3.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 4, the booster handle assembly of this embodiment includes a mounting base 1, a handle 2, a driving arm 3, a lever 4, a push rod 5 and a return spring 6, wherein the driving arm 3 and the lever 4 are rotatably disposed on the mounting base 1, a driving part 31 for driving the lever 4 to rotate is further disposed on the driving arm 3, the driving part 41 abuts against one end of the lever 4, the push rod 5 is slidably disposed on the mounting base 1, the return spring 6 is disposed between the push rod 5 and the mounting base 1, the other end of the lever 4 abuts against the push rod 5, and the handle 2 is connected to the driving arm 3.

Specifically, after the power-assisted handle assembly is assembled on the door body of the refrigeration equipment, the push rod 5 faces the edge of the box body of the refrigeration equipment, the door body is propped up by the push rod 5, after a user applies force to the handle 2, the handle 2 moves to drive the driving arm 3 to rotate, the rotating driving arm 3 pushes one end part of the lever 4 to rotate through the driving part 31 arranged on the driving arm 3, the other end part of the lever 4 stretches out to drive the push rod 5, the power-assisted door opening is realized, and because the handle 2 transmits force through the rotating driving arm 3, the handle 2 can move a larger stroke, and thus smaller force can be applied to drive the push rod 5 to move. Wherein a distance between a contact point formed by the lever 4 and the push rod 5 and a rotation axis of the lever 4 is L1, and a distance between a contact point formed by the lever 4 and the driving part 31 and the rotation axis of the lever 4 is L2; l1: l2 is not less than 1.1 to ensure that the lever 4 forms a labor-saving structure. In addition, in order to reduce the volume and improve the space utilization, the driving arm 3 is rotatably arranged on the mounting seat 1 through the first rotating shaft, the lever 4 is rotatably arranged on the mounting seat 1 through the second rotating shaft, the axis of the first rotating shaft is perpendicular to the axis of the second rotating shaft, the rotating axis of the driving arm 3 is perpendicular to the rotating axis of the lever 4, the mounting position between the driving arm 3 and the lever 4 is relatively close, the whole structure is relatively compact, preferably, the handle 2 is rotatably arranged on the driving arm 3 through the third rotating shaft, the axis of the third rotating shaft is parallel to the axis of the first rotating shaft, the driving part 31 extends outwards to be positioned between the axis of the first rotating shaft and the axis of the second rotating shaft, in particular, the driving part 31 is positioned between the axis of the first rotating shaft and the axis of the second rotating shaft, in the process of driving the handle 2 driving the driving arm 3, the stress point formed at the connecting position of the driving arm 3 and the mounting seat 1, the stress point formed at the connecting position of the driving arm 3 and the lever 4 and the stress point formed between the driving part 31 and the lever position are relatively small, and the force-saving effect can be further achieved, and the power-saving effect is relatively small, and the power-saving effect can be further achieved.

Further, in order to enable the handle 2 to move smoothly, the mounting seat 1 is further provided with an arc-shaped guide groove 11 for guiding the handle 2 to slide, and the handle 2 is provided with a sliding block (not shown) which is slidably disposed in the arc-shaped guide groove 11. Specifically, in the process of being applied with force to move the handle 2, the arc-shaped guide groove 11 is matched with the sliding block to guide the handle 2 to move, and the handle 2 is hinged with the driving arm 3 through the third rotating shaft, so that the handle 2 can rotate relative to the driving arm 3 in the process of moving along the arc-shaped guide groove 11, on one hand, the arrangement can ensure that the handle 2 drives the driving arm 3 to rotate for a sufficient angle to realize power-assisted door opening, and on the other hand, after the handle 2 is pulled to move by a user, the handle 2 can move more smoothly along the arc-shaped guide groove 11.

Wherein, in order to improve the effect that the helping hand was opened the door, mount pad 1 both ends are provided with respectively push rod 5, every push rod 5 corresponds to be provided with supporting reset spring 6 lever 7 with actuating arm 3, handle 2 connects two between the actuating arm 3, in the in-process of pulling handle 2, can make two push rods 5 stretch out simultaneously and lean on the box to obtain the effect of opening the door that is lighter. In addition, the free end of the push rod 5 is provided with a cushion pad 51, and the cushion pad 51 can reduce the pressure of the push rod 5 on the box body. In order to ensure that the lever 4 and the push rod 5 are well connected, a pressing piece 52 for limiting the lever is arranged at the end part of the push rod 5, which is contacted with the lever 4, the end part of the lever 4, which is contacted with the push rod 5, is clamped between the pressing piece 52 and the mounting seat 1, a limiting space is formed between the pressing piece 52 and the mounting seat 1, and the corresponding end part of the lever 4 is positioned in the limiting space.

The invention also provides refrigeration equipment, which comprises a box body, a door body arranged on the box body and the power-assisted handle assembly; the mounting seat of the power-assisted handle assembly is mounted on the door body, and the push rod of the power-assisted handle assembly is arranged towards the frame of the box body. Specifically, the assist grip assembly in this embodiment may be the assist grip assembly in the embodiment of the present invention, and the specific structure thereof may be referred to the embodiment of the assist grip assembly of the present invention and the descriptions of fig. 1 to 4, which are not repeated herein. Preferably, the side wall of the door body is provided with a mounting groove, and the mounting seat is embedded in the mounting groove; when the handle of the power-assisted handle assembly is not stressed, the surface of the handle is flush with the side wall of the door body or the handle is trapped in the mounting groove, and by adopting the configuration, the hidden design of the handle can be realized, and the appearance is optimized.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The power-assisted handle assembly is characterized by comprising a mounting seat, a handle, a driving arm, a lever, a push rod and a return spring, wherein the driving arm and the lever are both rotatably arranged on the mounting seat, a driving part for driving the lever to rotate is further arranged on the driving arm, the driving part abuts against one end part of the lever, the push rod is slidably arranged on the mounting seat, the return spring is arranged between the push rod and the mounting seat, the other end part of the lever abuts against the push rod, and the handle is connected to the driving arm;

the driving arm is rotatably arranged on the mounting seat through a first rotating shaft, the lever is rotatably arranged on the mounting seat through a second rotating shaft, and the axis of the first rotating shaft is perpendicular to the axis of the second rotating shaft;

the handle is rotatably arranged on the driving arm through a third rotating shaft, the axis of the third rotating shaft is parallel to the axis of the first rotating shaft, and the driving part extends out of the driving arm and is positioned between the axis of the first rotating shaft and the axis of the second rotating shaft;

the labor-saving lever structure is formed among a stress point formed at the connection part of the driving arm and the handle, a stress point formed at the connection part of the driving arm and the mounting seat and a stress point formed at the contact position of the driving part and the lever;

in addition, the push rods are respectively arranged at the two ends of the mounting seat, each push rod is correspondingly provided with a matched reset spring, a lever and a driving arm, and the handle is connected between the two driving arms.

2. The booster handle assembly of claim 1, wherein the mount further includes an arcuate channel for guiding sliding movement of the handle, and wherein the handle includes a slider slidably disposed in the arcuate channel.

3. The booster handle assembly of claim 1, wherein the free end of the pushrod is provided with a bumper pad.

4. The assist grip assembly as recited in claim 1, wherein an end of the push rod in contact with the lever is provided with a tab for limiting the lever, the end of the lever in contact with the push rod being sandwiched between the tab and the mount.

5. The assist grip assembly as recited in any one of claims 1-4, wherein a distance between a contact point formed by said lever and said push rod and said lever rotation axis is L1 and a distance between a contact point formed by said lever and said drive portion and said lever rotation axis is L2; l1: l2 is not less than 1.1.

6. A refrigeration device comprising a housing and a door disposed over the housing, further comprising the booster grip assembly of any one of claims 1-5; the mounting seat of the power-assisted handle assembly is mounted on the door body, and the push rod of the power-assisted handle assembly is arranged towards the frame of the box body.

7. The refrigeration appliance according to claim 6, wherein a mounting groove is provided in a side wall of the door body, the mounting seat being embedded in the mounting groove; when the handle of the power-assisted handle assembly is not stressed, the surface of the handle is flush with the side wall of the door body or the handle is trapped in the mounting groove.