CN108868317A - Door handle assembly and refrigeration equipment - Google Patents

Abstract

The invention discloses a door handle assembly and refrigeration equipment, comprising a bracket, a handle, a drive assembly, a push rod and a return spring. The drive assembly includes a pulley and a pulley wire that slides reciprocally around the pulley. One end of the pulley line is connected with the handle, the other end of the pulley line is connected with the push rod, and the two ends of the pulley line have a certain included angle, which is convenient for power transmission. When the handle is pulled, the handle drives the pulley wire to move, and the pulley wire slides around the pulley while driving the push rod to move in the opposite direction to the handle, thereby realizing the reverse output of the active force acting on the handle. The door body can be easily opened by utilizing the force of the push rod against the box body. The invention has simple structure and is easy to realize.

Description

Door handle assembly and refrigeration equipment

technical field

The invention relates to the technical field of refrigeration equipment, in particular to a door handle assembly and refrigeration equipment.

Background technique

The door body and box body of refrigeration equipment such as refrigerators or vertical freezers are generally sealed by magnetic sealing strips to prevent the cold air in the storage room from leaking out, so as to ensure the cooling effect. But when opening the door body, because there is a pressure difference between the storage room and the outside, under the joint action of negative pressure and magnetic force, it is more laborious to open the door body. Some existing handles with power-assisted structures generally have complicated structures.

Contents of the invention

The technical problem to be solved by the present invention is to provide a door handle assembly and refrigeration equipment, which has a simple structure, is easy to implement, and is convenient for opening the door body.

The technical solution provided by the present invention is a door handle assembly, which includes a bracket and a handle arranged on the bracket, and also includes a drive assembly, a push rod and a return spring; the drive assembly includes a pulley and reciprocatingly slides around the pulley A pulley line, the two ends of the pulley line have a certain angle; the pulley is connected to the bracket in rotation, one end of the pulley line is connected to the handle, and the other end of the pulley line is connected to the push rod connected; the return spring is used to apply a return force to the door handle assembly.

Further, the lower part of one end of the push rod is provided with a cylinder, the end of the cylinder is provided with a stopper, the diameter of the stopper is larger than the diameter of the cylinder, and one end of the pulley line Connect to the column.

Further, the bracket is provided with a first baffle and a second baffle, the push rod is located between the first baffle and the second baffle, and along the first baffle and the second baffle The second baffle reciprocates.

Further, the first baffle is provided with an opening close to the bracket, and the pulley wire passes through the opening.

Further, the push rod is provided with a guide groove along its length direction, and the support is provided with a guide protrusion, and the guide protrusion is inserted into the guide groove.

Further, the bracket is provided with a rotating shaft, and the pulley is correspondingly provided with a circular hole, and the rotating shaft is inserted into the circular hole.

Further, the end of the handle is provided with a connecting plate, and the connecting plate is connected with the pulley line.

Further, the return spring is arranged between the connecting plate and the side wall of the bracket, and a fixing pin is passed through the return spring.

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

The present invention also proposes a refrigeration device, comprising a box body and a door hinged to the box body, wherein the free end of the door body is provided with the above-mentioned door handle assembly, when the handle is pulled , the free end of the push rod moves towards the direction of the box.

Compared with prior art, advantage and positive effect of the present invention are:

The invention provides a door handle assembly and refrigeration equipment, including a bracket, a handle, a drive assembly, a push rod and a return spring. The drive assembly includes a pulley and a pulley wire that slides reciprocally around the pulley. One end of the pulley line is connected with the handle, and the other end of the pulley line is connected with the push rod, and the two ends of the pulley line have a certain included angle, which is convenient for power transmission. When the handle is pulled, the handle drives the pulley wire to move, and the pulley wire slides around the pulley while driving the push rod to move in the opposite direction to the handle motion, thereby realizing the reverse output of the active force acting on the handle. The door body can be easily opened by utilizing the force of the push rod against the box body. The invention has simple structure and is easy to implement.

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 a door handle assembly according to an embodiment of the present invention;

Fig. 2 is a partial enlarged view of place A in Fig. 1;

Fig. 3 is the assembly schematic diagram of the door handle assembly of the embodiment of the present invention;

Fig. 4 is the structural representation of push rod of the embodiment of the present invention;

FIG. 5 is a schematic structural view of a stent according to an embodiment of the present invention;

Fig. 6 is a partial enlarged view of place B in Fig. 5;

Fig. 7 is a structural schematic diagram of the door handle assembly installed on the refrigeration equipment (decorative cover is omitted);

Fig. 8 is a structural schematic diagram of the door handle assembly installed on the refrigeration equipment (decorative cover is installed).

Among them, 100-handle, 110-connecting plate, 200-drive assembly, 210-pulley, 211-round hole, 220-pulley line, 300-push rod, 310-guide groove, 320-cylinder, 330-stop Parts, 340-cushion pad, 400-return spring, 410-fixed pin, 500-support, 510-rotating shaft, 520-guiding protrusion, 530-first baffle plate, 531-opening, 540-second baffle plate, 600-door body, 700-box body, 800-decorative cover.

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 creative efforts fall within the protection scope of the present invention.

The invention discloses a door handle assembly, which is applied to refrigeration equipment such as refrigerators and upright freezers. The door handle assembly is vertically installed on the door body of the refrigeration equipment.

Referring to FIGS. 1 to 3 , the door handle assembly includes a bracket 500 , a handle 100 , a driving assembly 200 , a push rod 300 and a return spring 400 . The bracket 500 is used as an installation carrier for installing the handle 100 and other components. The drive assembly 200 includes a pulley 210 and a pulley wire 220 that slides around the pulley. The drive assembly is used to transmit the force acting on the handle 100 to the push rod 300, so that the push rod 300 abuts against the box body 700 of the refrigeration device, thereby facilitating Open the door body 600 . The pulley 210 is rotatably connected to the bracket 500 , one end of the pulley line 220 is connected to the handle 100 , and the other end of the pulley line 220 is connected to the push rod 300 . In order to transmit force better, both ends of the pulley line 220 have a certain angle, preferably 45 degrees. The return spring 400 is used to apply a return force to the door handle assembly. Taking the orientation shown in Figure 2 as an example, when the handle 100 is pulled to the right, the return spring 400 contracts, and the handle 100 drives the lower end of the pulley line 220 to move to the right, and the pulley line 220 slides around the pulley 210 while driving the upper end of the pulley line 220 Moving to the left, the pulley wire 220 drives the push rod 300 to move to the left, that is, the push rod 300 moves toward the direction close to the box body 700 . Continue to pull the handle 100 , and the push rod 300 continues to approach the box body 700 until the push rod 300 abuts against the box body 700 . When the handle 100 is further pulled, the force of the push rod 300 acting on the box body 700 continues to increase, overcoming the internal and external pressure difference of the refrigeration equipment, and realizing easy opening of the door body 600 . After the handle 100 is released, the return spring 400 resets, the handle 100 moves to the left under the action of the return spring 400, the handle 100 drives the lower end of the pulley line 220 to move to the left, and the pulley line 220 drives the pulley line 220 while sliding around the pulley 210 The upper end of the push rod moves to the right, and the pulley line 220 drives the push rod 300 to move to the right, so that the push rod 300 is reset.

With reference to Fig. 4, the bottom of one end of push rod 300 is provided with cylinder 320, and the end of cylinder 320 is provided with stopper 330, and the diameter of stopper 330 is greater than the diameter of cylinder 320, and one end of pulley line 220 and column The body 320 is connected, and the stopper 330 can prevent the pulley line 220 from falling off. In this embodiment, the cross-sectional shapes of the column body 320 and the stopper 330 are both circular, and are integrally formed with the push rod 300 , which is convenient for processing. In other embodiments, the cross-sectional shape of the cylinder 320 and the stopper 330 may be a rhombus, a square, or the like. Further, in order to prevent the case body 700 from being worn when the push rod 300 abuts against the case body 700 , a buffer pad 340 is provided at the free end of the push rod 300 .

Referring to FIG. 4 to FIG. 6 , during the reciprocating movement of the push rod 300 under the action of the pulley line 220 , in order to make the movement of the push rod 300 more stable and smooth, the door handle assembly is provided with a guiding structure. The guide structure includes a guide groove 310 provided on the push rod 300 and a guide protrusion 520 provided on the bracket 500 . The guide groove 310 is arranged along the length direction of the push rod 300 , and the guide protrusion 520 is inserted in the guide groove 310 . When the push rod 300 reciprocates, the guide groove 310 reciprocates along the guide protrusion 520 to guide the push rod 300 . In order to further guide the push rod 300, the guide structure also includes a first baffle 530 and a second baffle 540 arranged on the bracket 500, and the push rod 300 is located between the first baffle 530 and the second baffle 540 , and reciprocate along the first baffle 530 and the second baffle 540 . In order to avoid the interference of the first baffle plate 530 on the pulley wire 220, a strip opening 531 is provided at the position of the first baffle plate 530 close to the bracket 500, and the length of the opening 531 must not be less than the maximum stroke of the pulley wire 220, and the pulley wire 220 passes through After passing through the opening 531 , it is connected with the cylinder 320 on the push rod 300 .

3 and 6, the bracket 500 is provided with a rotating shaft 510, and the pulley 210 is correspondingly provided with a circular hole 211, and the rotating shaft 510 is inserted in the circular hole 211 to realize the rotational connection between the pulley 210 and the bracket 500. In order to prevent the pulley 210 from falling off from the rotating shaft 510 during the rotation, a stopper (not shown) is provided at the end of the rotating shaft 510 .

In this embodiment, the reset spring 400 is disposed between the handle 100 and the side wall of the bracket 500 for applying a reset force to the handle 100 . In order to facilitate the installation of the return spring 400 , a connection plate 110 is disposed at the end of the handle 100 , and the return spring 400 is disposed between the connection plate 110 and the side wall of the bracket 500 . Further, in order to make the return spring 400 have a good guide during the contraction and return process, a fixed pin 410 is pierced in the return spring 400, one end of the fixed pin 410 is fixedly connected to the connecting plate 110, and the other end of the fixed pin 410 is connected to the connecting plate 110. There is a certain distance between the side walls of the bracket 500 , and the distance should not be less than the maximum stroke of the handle 100 .

In actual processing, the connecting plate 110 and the handle 100 are integrally formed, which facilitates processing and saves costs. One end of the pulley wire 220 is connected to the connecting plate 110 .

The present invention also discloses a refrigeration device, which may be a refrigerator, an upright freezer, etc., and includes a box body 700 and a door body 600 hinged to the box body 700 . Referring to Fig. 7 and Fig. 8, a pre-embedded box (not shown) is provided on the side wall of the door body 600, and the pre-embedded box and the door body 600 are integrally foamed to install the door handle assembly disclosed in this embodiment. During actual installation, the handle 100, drive assembly 200, push rod 300, return spring 400 and other components are first installed on the bracket 500, and then the bracket 500 is installed as a whole in the pre-embedded box, and finally the decorative cover 800 is installed so that the drive assembly 200, back-moving spring 400 and other components are blocked to achieve an aesthetic effect. After the installation is completed, only the handle 100 operated by the user is exposed and does not protrude from the door body 600, forming a built-in handle, which is convenient for opening the door body 600 and can avoid unsightly and easy wear and tear etc.

Taking the orientation shown in Figure 7 as an example, when the handle 100 is pulled to the right, the return spring 400 shrinks, and the handle 100 drives the lower end of the pulley line 220 to move to the right, and the pulley line 220 drives the pulley line 220 while sliding around the pulley 210. The upper end moves to the left, and the pulley wire 220 drives the push rod 300 to move to the left, that is, the push rod 300 moves toward the direction close to the box body 700 . Continue to pull the handle 100 , and the push rod 300 continues to approach the box body 700 until the push rod 300 abuts against the box body 700 . When the handle 100 is further pulled, the force of the push rod 300 acting on the box body 700 continues to increase, overcoming the internal and external pressure difference of the refrigeration equipment, and realizing easy opening of the door body 600 . After the handle 100 is released, the return spring 400 resets, the handle 100 moves to the left under the action of the return spring 400, the handle 100 drives the lower end of the pulley line 220 to move to the left, and the pulley line 220 drives the pulley line 220 while sliding around the pulley 210 The upper end of the push rod moves to the right, and the pulley line 220 drives the push rod 300 to move to the right, so that the push rod 300 is reset.

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 various embodiments of the present invention.

Claims (10)

1. a kind of door handle assembly, the handle including bracket and setting on the bracket, which is characterized in that further include driving group Part, push rod and reset spring；The driving component includes pulley and the pulley line that reciprocatingly slides around the pulley, the pulley line Both ends have certain angle；The pulley is connect with the holder pivots, and one end of the pulley line is connect with the handle, The other end of the pulley line is connect with the push rod；The reset spring is used to apply reset force to the door handle assembly.

2. door handle assembly according to claim 1, which is characterized in that the lower part of one end of the push rod is provided with column Body, the end of the cylinder are provided with stop part, and the diameter of the stop part is greater than the diameter of the cylinder, the pulley line One end is connect with the cylinder.

3. door handle assembly according to claim 2, which is characterized in that be provided with first baffle and second on the bracket Baffle, the push rod is between the first baffle and the second baffle and along the first baffle and the second gear Plate moves back and forth.

4. door handle assembly according to claim 3, which is characterized in that the first baffle is arranged at the bracket There is opening, the pulley line passes through the opening.

5. door handle assembly according to claim 4, which is characterized in that the push rod is provided with guiding along its length Slot is provided with guide protrusions on the bracket, and the guide protrusions are plugged in the guide groove.

6. door handle assembly according to claim 5, which is characterized in that be provided with rotation axis, the cunning on the bracket Round hole is correspondingly provided on wheel, the rotation axis is plugged in the round hole.

7. door handle assembly according to claim 6, which is characterized in that the end of the handle is provided with connecting plate, institute Connecting plate is stated to connect with the pulley line.

8. door handle assembly according to claim 7, which is characterized in that reset spring setting the connecting plate with Between the side wall of the bracket, fixed pin is equipped in the reset spring.

9. door handle assembly according to claim 8, which is characterized in that the free end of the push rod is provided with buffering Pad.

10. a kind of refrigeration equipment, including cabinet and the door body hinged with the cabinet, which is characterized in that the freedom of the door body End is provided with door handle assembly as claimed in any one of claims 1-9 wherein, when pulling the handle, the push rod from It is moved by holding towards the direction close to the cabinet.