CN106593085B - Power-assisted handle assembly and refrigeration equipment - Google Patents

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 technique

At present, incubators for refrigeration equipment (refrigerators, freezers, etc.) usually include a box body and a door body. The door body is equipped with a handle for opening the door. However, due to the low temperature inside the box body, negative pressure is easily formed, making it difficult to open the door body. Chinese Patent No.: 201520668906.0 discloses a power-assisted handle structure, which specifically discloses that the push rod of the handle is driven by a button to move, and the push rod of the handle will drive the rotating shaft to rotate, so that the top block can protrude and push against the box body to open the door with power (refer to the above patent for details instructions and drawings). However, in the actual use of the above-mentioned technical solution, since the button is limited in the handle seat, the stroke of the button is relatively short, and the lever effect of the rotating shaft cannot be exerted. The boosting effect is poor, and the user experience is poor. How to design a booster handle with good boosting effect and good user experience is the technical problem to be solved by the present invention.

Contents of the invention

The invention provides a power assist handle assembly and a refrigeration device, which can optimize the power assist effect of the power assist handle assembly and improve user experience.

In order to achieve the above-mentioned technical purpose, the present invention adopts the following technical solutions to realize:

A power-assisted handle assembly, comprising a mounting seat, a handle, a driving arm, a lever, a push rod and a return spring, the driving arm and the lever are rotatably arranged on the mounting seat, and the driving arm is also provided with There is a driving part for driving the lever to rotate, the driving part is against one end of the lever, the push rod is slidably arranged on the mounting seat, and the push rod and the mounting seat are arranged With the return spring, the other end of the lever leans against the push rod, and the handle is connected to the driving 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, the axis of the first rotating shaft is in line with the The axes of the second rotating shafts are perpendicular to each other.

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 protrudes outwards by The driving arm is located between the axis of the first rotating shaft and the axis of the second rotating shaft.

Further, the mounting base is also provided with an arc-shaped guide groove for guiding the sliding of the handle, the handle is provided with a slider, and the slider is slidably arranged in the arc-shaped guide groove.

Further, the two ends of the mounting base are respectively provided with the push rods, and each of the push rods is correspondingly provided with the matching return spring, the lever and the driving arm, and the handle is connected between the two between the drive arms.

Further, the free end of the push rod is provided with a buffer pad.

Further, the end of the push rod in contact with the lever is provided with a pressure piece for limiting the lever, and the end of the lever in contact with the push rod is clamped between the pressure piece and the mounting seat between.

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

The present invention also provides a refrigeration device, which includes a box body and a door body arranged on the box body, and also includes the above-mentioned booster handle assembly; the mounting seat of the booster handle assembly is installed on the door body, and the booster handle assembly The push rod of the handle assembly is arranged towards the frame of the box body.

Further, the side wall of the door body is provided with an installation groove, and the installation seat is embedded in the installation groove; when the handle of the power-assisted handle assembly is not stressed, the surface of the handle and the surface of the door body The side walls are flush, or the handle is sunk in the installation groove.

Compared with the prior art, the advantages and positive effects of the present invention are: by using the driving arm to transmit the force exerted by the handle to the lever, the handle has a large enough movable space to provide a larger stroke, and the handle drives the driving arm During the rotation process, the driving part on the driving arm will push the lever to rotate, and the other end of the lever uses the principle of the lever to realize the extension of the push rod to achieve the function of opening the door with assistance, and because the stroke of the handle is large enough, when the user pulls the handle, Applying a small force to the handle can realize assisting to open the door, optimize the assisting effect of the assisting handle assembly, and improve user experience.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of an embodiment of the power-assisted handle assembly of the present invention;

Figure 2 is a partially enlarged schematic diagram of area A in Figure 1;

Fig. 3 is a structural schematic diagram II of an embodiment of the power-assisted handle assembly of the present invention;

FIG. 4 is a partially enlarged schematic diagram of area B in FIG. 3 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1-4, the power-assisted 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, and the driving arm 3 and the lever 4 are both It is rotatably arranged on the mounting base 1, and the driving arm 3 is also provided with a driving part 31 for driving the rotation of the lever 4, and the driving part 41 abuts against one end of the lever 4, so that The push rod 5 is slidably arranged on the mounting seat 1, the return spring 6 is arranged between the push rod 5 and the mounting seat 1, and the other end of the lever 4 leans against the push rod 5, the handle 2 is connected to the driving arm 3.

Specifically, after the power-assisted handle assembly of this embodiment 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, and the door body is pushed open by the push rod 5, and after the user applies force to the handle 2, the handle 2 Move to drive the driving arm 3 to rotate, and the driving arm 3 in rotation pushes one end of the lever 4 to rotate through the driving part 31 provided thereon, and the other end of the lever 4 will drive the push rod 5 to stretch out to realize power-assisted opening of the door, and Since the handle 2 transmits force through the rotating driving arm 3, the handle 2 can move a larger stroke, so that a smaller force can be applied to drive the push rod 5 to move. Wherein, the distance between the contact point formed by the lever 4 and the push rod 5 and the rotation axis of the lever 4 is L1, and the distance between the contact point formed by the lever 4 and the driving part 31 and the rotation axis of the lever 4 is L1. The distance between them 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 space utilization, the driving arm 3 is rotatably arranged on the mounting base 1 through the first rotating shaft, and the lever 4 is rotatably disposed on the mounting base 1 through the second rotating shaft. , the axis of the first rotating shaft and the axis of the second rotating shaft are perpendicular to each other, the rotating axis of the driving arm 3 is perpendicular to the rotating axis of the lever 4, and the installation position between the driving arm 3 and the lever 4 is relatively close, so that the overall structure More compact, preferably, the handle 2 is rotatably arranged on the driving arm 3 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 31 The drive arm 3 protrudes outward and is located between the axis of the first rotating shaft and the axis of the second rotating shaft. Specifically, since the driving part 31 is located between the axis of the first rotating shaft and the axis of the second rotating shaft, During the rotation of the driving arm 3 driven by the handle 2, the stress point formed at the joint between the driving arm 3 and the handle 2, the stress point formed at the joint between the driving arm 3 and the mount 1, and the contact position between the driving part 31 and the lever 4 A labor-saving lever structure is also formed between the formed stress points, so that the power-assisted handle forms two labor-saving lever structures, which can more effectively reduce the force applied by the user to the handle 2 and obtain a better power-assisted effect.

Further, in order to enable the handle 2 to move smoothly, an arc-shaped guide groove 11 for guiding the handle 2 to slide is also provided on the mounting base 1, and a slider (not shown) is provided on the handle 2. The slider is slidably arranged in the arc-shaped guide groove 11 . Specifically, when the handle 2 is moved by force, the arc-shaped guide groove 11 cooperates with the slider to guide the handle 2 to move, and the handle 2 is also hinged with the driving arm 3 through the third shaft, so that the handle 2 can move along the arc. The guide groove 11 also rotates relative to the driving arm 3 during the movement. This setting can ensure that the handle 2 drives the driving arm 3 to rotate at a sufficient angle to realize power-assisted opening of the door. On the other hand, after the user pulls the handle 2 to move, the handle 2 can move more smoothly along the arc guide groove 11.

Wherein, in order to improve the effect of assisting to open the door, the two ends of the mounting seat 1 are respectively provided with the push rods 5, and each of the push rods 5 is correspondingly provided with the supporting return spring 6, the lever 7 and the The drive arm 3, the handle 2 is connected between the two drive arms 3, in the process of pulling the handle 2, the two push rods 5 can be stretched out and leaned against the box body at the same time to obtain a more relaxed door opening effect. In addition, a buffer pad 51 is provided at the free end of the push rod 5 , and the buffer pad 51 can reduce the pressure generated by the push rod 5 on the box. In order to ensure that the lever 4 is well connected with the push rod 5, the end of the push rod 5 in contact with the lever 4 is provided with a pressing piece 52 for limiting the lever, and the end of the lever 4 in contact with the push rod 5 The portion is sandwiched between the pressing piece 52 and the mounting seat 1, a limiting space is formed between the pressing piece 52 and the installing seat 1, and the corresponding end of the lever 4 is located in the limiting space.

The present invention also provides a refrigeration device, which includes a box body and a door body arranged on the box body, and also includes the above-mentioned booster handle assembly; the mounting seat of the booster handle assembly is installed on the door body, and the booster handle assembly The push rod of the handle assembly is arranged towards the frame of the box body. Specifically, the power-assisted handle assembly in this embodiment can adopt the power-assisted handle assembly in the embodiment of the present invention. No longer. Preferably, the side wall of the door body is provided with an installation groove, and the installation seat is embedded in the installation groove; when the handle of the power-assisted handle assembly is not stressed, the surface of the handle and the surface of the door body The side walls are flush, or the handle is sunk in the installation groove. With the above configuration, the hidden design of the handle can be realized and the appearance can be optimized.

Compared with the prior art, the advantages and positive effects of the present invention are: by using the driving arm to transmit the force exerted by the handle to the lever, the handle has a large enough movable space to provide a larger stroke, and the handle drives the driving arm During the rotation process, the driving part on the driving arm will push the lever to rotate, and the other end of the lever uses the principle of the lever to realize the extension of the push rod to achieve the function of opening the door with assistance, and because the stroke of the handle is large enough, when the user pulls the handle, Applying a small force to the handle can realize assisting to open the door, optimize the assisting effect of the assisting handle assembly, and improve user experience.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. A booster handle assembly, characterized in that it comprises a mount, a handle, a drive arm, a lever, a push rod and a return spring, and the drive arm and the lever can be rotatably arranged on the mount, so The driving arm is also provided with a driving part for driving the lever to rotate, the driving part abuts against one end of the lever, the push rod is slidably arranged on the mounting seat, and the push rod and the The return spring is arranged between the mounting seats, the other end of the lever leans 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 connected to the second rotating shaft The axes are perpendicular to each other; 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 protrudes outward from the driving arm and located between the axis of the first rotating shaft and the axis of the second rotating shaft; Wherein, the stress point formed by the connection between the driving arm and the handle, the force point formed by the connection between the driving arm and the mounting seat, and the contact position between the driving part and the lever A labor-saving lever structure is formed between the stress points; In addition, the two ends of the mounting seat are respectively provided with the push rods, and each of the push rods is correspondingly provided with the matching return spring, the lever and the driving arm, and the handle is connected between two between the drive arms. 2. The power-assisted handle assembly according to claim 1, wherein an arc-shaped guide groove for guiding the handle to slide is also provided on the mounting base, a slider is provided on the handle, and the slider Slidingly arranged in the arc guide groove. 3. The power-assisted handle assembly according to claim 1, wherein a buffer pad is provided on the free end of the push rod. 4. The power-assisted handle assembly according to claim 1, wherein the end of the push rod in contact with the lever is provided with a pressing piece for limiting the lever, and the lever is in contact with the push rod The end of the clip is sandwiched between the pressing piece and the mounting seat. 5. The power-assisted handle assembly according to any one of claims 1-4, wherein the distance between the contact point formed by the lever and the push rod and the rotation axis of the lever is L1, and the lever and The distance between the contact point formed by the driving part and the rotation axis of the lever is L2; L1: L2 is not less than 1.1. 6. A refrigeration device, comprising a box body and a door body arranged on the box body, characterized in that it also includes the power-assisted handle assembly according to any one of claims 1-5; the installation of the power-assisted handle assembly The seat is installed on the door body, and the push rod of the booster handle assembly is arranged towards the frame of the box body. 7. The refrigeration device according to claim 6, wherein the side wall of the door body is provided with an installation groove, and the installation seat is embedded in the installation 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 sunk in the installation groove.

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