Power-assisted door handle assembly and refrigeration equipment

Abstract

The present invention discloses an assisted door handle assembly and a refrigeration device. The assisted door handle assembly includes a handle and a fixed box. The assisted door handle assembly further includes a transmission member and a push rod, and the transmission member is movably engaged with the push rod assembly. The handle is slidably disposed in the fixed box. A synchronization structure is provided between the handle and the fixed box. The synchronization structure enables at least two mating positions to be spaced in the longitudinal direction between the handle and the fixed box, so that when the handle is operated at any position to slide relative to the fixed box, the handle can slide synchronously in the longitudinal direction, and the push rod can be moved outward away from the fixed box through the transmission member. The present invention makes the sliding of the handle stable and reliable, the door opening operation is very simple and labor-saving, and the handle will not contact and rub against the side wall surface of the door body, providing a better user experience.

Description

Technical Field

[0001] The present invention relates to the field of household appliances, and in particular to an assisted door handle assembly and a refrigeration device. Background Art

[0002] Currently, the insulation boxes used in refrigeration devices (such as refrigerators, freezers, etc.) generally include a box body and a door body. A handle is configured on the door body for opening the door. Since the temperature inside the box body is low, negative pressure is easily formed, resulting in difficulty in opening the door body. Chinese Patent No. 2016112476145 discloses an assisted door handle assembly. The handle drives the connecting rod to rotate, and the driving part of the connecting rod drives the lever to rotate, so as to realize pushing the push rod to move through the lever to assist in opening the door. However, it is found in actual use that since the connecting rod needs to rotate to drive the lever to rotate, the handle needs to have a large stroke. During the operation process by the user, the handle needs to be pulled out from the door body to obtain a large enough stroke to drive the lever to rotate and open the door, resulting in poor user experience. Chinese Patent No. 2016109216640 also discloses a refrigerator assisted door handle assembly. Rotating the handle makes the link mechanism act, and the push rod in the link mechanism extends to realize assisted door opening. Similarly, during the use process by the user, the handle also needs to be rotated and pulled out from the door body to obtain a large enough stroke to drive the lever to rotate and open the door, which also reduces the user experience.

[0003] In view of this, it is necessary to improve the existing assisted door handle assembly and the refrigeration device having the same to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide an assisted door handle assembly and a refrigeration device, so that the sliding of the handle is stable and reliable, the door opening operation is very simple and labor-saving, and the handle does not contact and rub against the side wall surface of the door body, and the user experience is good.

[0005] To achieve the above-mentioned invention purpose, the present invention provides an assisted door handle assembly. The assisted door handle assembly includes a handle extending along the longitudinal direction and a fixed box defining a receiving cavity. At least a part of the handle is received in the receiving cavity, wherein:

[0006] The assist handle assembly further includes a transmission member movably disposed in the fixed box and movably connected to the handle, and a ejector rod assembly slidably disposed relative to the fixed box. The ejector rod assembly includes an ejector rod extending out of the fixed box, and the transmission member is movably connected to the ejector rod assembly. The handle is slidably disposed in the fixed box, and a synchronization structure is provided between the handle and the fixed box. The synchronization structure enables the handle and the fixed box to be spaced apart by at least two mating portions in the longitudinal direction, so that when the handle is operated to slide relative to the fixed box at any position, the handle can slide synchronously in the longitudinal direction, and the ejector rod is moved outward away from the fixed box through the transmission member.

[0007] As a further improvement of an embodiment of the present invention, the synchronization structure includes a synchronization member provided on one of the handle and the fixed box, and at least two mating portions provided on the other of the handle and the fixed box. The at least two mating portions are spaced apart in the longitudinal direction, and the at least two mating portions are all mated with the synchronization member.

[0008] As a further improvement of an embodiment of the present invention, the synchronization member is formed by bending a metal wire. The synchronization member has an intermediate body, a first bent portion at one end of the intermediate body, and a second bent portion at the other end of the intermediate body. The intermediate body, the first bent portion, and the second bent portion are in the same plane. The fixed box is provided with a first mating groove mating with the first bent portion and a second mating groove mating with the second bent portion.

[0009] As a further improvement of an embodiment of the present invention, the transmission member is rotatably disposed in the fixed box about a rotation axis. The handle includes a hand-held portion for grasping and positioning portions located at both ends of the hand-held portion in the longitudinal direction. The transmission member includes a fixed portion movably connected to the positioning portion. When the handle is operated to slide relative to the fixed box, the positioning portion and the fixed portion generate relative movement in a direction parallel to the rotation axis, and the fixed portion and the positioning portion rotate relative to each other, so that the transmission member rotates relative to the fixed box to urge the ejector rod assembly to slide.

[0010] As a further improvement of an embodiment of the present invention, an elastic member is provided between the handle and the transmission member. The positioning portion is provided as a cylindrical structure with an opening. The elastic member is received in the positioning portion, and one end of the elastic member abuts against the positioning portion, and the other end of the elastic member abuts against the fixed portion.

[0011] As a further improvement of an embodiment of the present invention, the ejector rod assembly includes a bracket for fixing the ejector rod. An ejecting portion extending out of the fixing box is provided on the ejector rod. The bracket includes a main body portion extending along the extending direction of the rotation axis and an abutting surface on one side of the main body portion. The transmission member abuts against the abutting surface of the main body portion.

[0012] As a further improvement of an embodiment of the present invention, the ejector rod has a pair of clamping arms arranged at intervals in the longitudinal direction. Grooves corresponding to the clamping arms are provided on the main body portion of the bracket, and the clamping arms are received in the grooves.

[0013] As a further improvement of an embodiment of the present invention, the assisted door handle assembly further includes a reset member for applying a reset force to the ejector rod. The reset member is limited between the inner wall of the fixing box and the side surface of the main body portion facing away from the abutting surface.

[0014] As a further improvement of an embodiment of the present invention, a guiding portion for guiding the sliding of the handle is provided on the fixing box. The guiding portion defines an inclined surface parallel to the longitudinal direction, and the inclined surface forms an obtuse angle with the sliding direction of the ejector rod.

[0015] As a further improvement of an embodiment of the present invention, the handle includes a handle inclined portion that fits the inclined surface, a hand-held portion for grasping, and a connecting portion connecting the handle inclined portion and the hand-held portion. The handle inclined portion and the hand-held portion are both arranged at an angle with the connecting portion, and the handle inclined portion and the hand-held portion are located on opposite sides of the connecting portion.

[0016] As a further improvement of an embodiment of the present invention, the handle inclined portion forms an obtuse angle with the connecting portion, the hand-held portion is perpendicular to the connecting portion, and at least part of the hand-held portion is located outside the receiving cavity.

[0017] As a further improvement of an embodiment of the present invention, the fixing box further includes a cover plate for preventing the transmission member from detaching from the fixing box. The cover plate is located on both sides of the handle in the longitudinal direction to cover the transmission member.

[0018] To achieve one of the above-mentioned invention purposes, the present invention provides a refrigeration device, including a box body with an open side and a door body for closing the open portion of the box body. Wherein: The door body is provided with the assisted door handle assembly described in any one of the above technical solutions. The assisted door handle assembly is embedded in the side wall surface of the door body, and the ejector rod of the assisted door handle assembly abuts against the box body.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: In the technical solution provided by the present invention, since a synchronization structure is provided between the handle and the fixed box, no matter where on the handle is operated to slide it relative to the fixed box, the handle can slide synchronously in the longitudinal direction, making the sliding of the handle stable and reliable, and the door opening operation is very simple and labor-saving. In addition, by embedding the assisted door handle assembly in the door body, the effect of hidden assisted door opening is achieved, which is convenient for users to operate and is beneficial to improving the user experience. In this way, the user can conveniently open the door body of the refrigeration device through the assisted door handle assembly, and during the process of the handle opening the door body, the handle will not contact and rub against the side wall surface of the door body, avoiding scratches on the hand-held end of the handle and the side wall surface of the door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 FIG. is a three-dimensional assembly view of a refrigeration device according to a first embodiment of the present invention.

[0021] Figure 2 FIG. is a three-dimensional assembly view of the door body and the assisted door handle assembly of the refrigeration device according to the first embodiment of the present invention.

[0022] Figure 3 is Figure 2 A three-dimensional assembly view seen from another direction.

[0023] Figure 4 is Figure 2 A three-dimensional schematic view in which the door body and the assisted door handle assembly are separated.

[0024] Figure 5 is Figure 4 A three-dimensional schematic view in which the assisted door handle assembly is taken out of the fixed box.

[0025] Figure 6 is Figure 4 A three-dimensional schematic view in which the assisted door handle assembly is taken out of the cover plate.

[0026] Figure 7 is Figure 4 A partial three-dimensional exploded view of the assisted door handle assembly.

[0027] Figure 8 is Figure 4 Another partial three-dimensional exploded view of the assisted door handle assembly.

[0028] Figure 9 is Figure 4 A three-dimensional exploded view of the assisted door handle assembly.

[0029] Figure 10 is Figure 4 A three-dimensional schematic view of the bracket of the assisted door handle assembly.

[0030] Figure 11Yes Figure 4 Front view of the assist handle door handle assembly without the cover plate in the non - use state.

[0031] Figure 12 Is along Figure 10 Cross - sectional view along line A - A in Figure 10 .

[0032] Figure 13 Is along Figure 10 Cross - sectional view along line B - B in Figure 10 .

[0033] Figure 14 Is Figure 4 Front view of the assist handle door handle assembly without the cover plate in the use state.

[0034] Figure 15 Is along Figure 10 Cross - sectional view along line C - C in Figure 10 .

[0035] Figure 16 Is along Figure 10 Cross - sectional view along line D - D in Figure 10 .

[0036] Figure 17 Is the three - dimensional exploded view of the assist handle door handle assembly provided by the second embodiment of the present invention.

[0037] Figure 18 Is Figure 17 Another three - dimensional exploded enlarged view of the assist handle door handle assembly in Figure 17 Detailed implementation manners

[0038] The present invention will be described in detail below in conjunction with the specific implementation manners shown in the drawings. However, these implementation manners do not limit the present invention, and any structural, method, or functional transformation made by those of ordinary skill in the art based on these implementation manners is included in the protection scope of the present invention.

[0039] The present invention will be described in detail below in conjunction with the specific implementation manners shown in the drawings. However, these implementation manners do not limit the present invention, and any structural, method, or functional transformation made by those of ordinary skill in the art based on these implementation manners is included in the protection scope of the present invention.

[0040] In the description of the specific implementation manners of the present invention, the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "bottom", "inner", and "outer" are based on the orientation or positional relationships shown in the drawings, usually with the refrigeration equipment in the normal use state as a reference, rather than indicating that the indicated positions or elements must have a specific orientation.

[0041] As Figures 1 to 16 , the first embodiment provided by the present invention discloses a door handle assembly 100 and a refrigeration equipment 400 having the same.

[0042] Referring to Figures 1 to 4 As shown, the refrigeration device 400 includes a box body 200 with an open side and a door body 300 closing the open portion of the box body 200. The door body 300 has an inner surface facing the open portion of the box body 200, an outer surface 301 parallel to the inner surface, and side wall surfaces 302 connecting the inner surface and the outer surface 301. The assisted door handle assembly 100 is embedded in the side wall surface 302 of the door body 300.

[0043] The assisted door handle assembly includes a handle 2 extending in the longitudinal direction and a fixed box 1 defining a receiving cavity 10, and at least a part of the handle 2 is received in the receiving cavity 10. In addition, the assisted door handle assembly further includes a transmission member 3 and a push rod assembly 4. Among them, the transmission member 3 is disposed in the fixed box 1 and is movably coupled with the handle 2, the push rod assembly 4 is slidably disposed relative to the fixed box 1, the push rod assembly 4 includes a push rod 41 extending out of the fixed box 1, and the push rod 41 abuts against the box body 200. And the transmission member 3 is movably coupled with the push rod assembly 4, and the handle 2 is movably disposed in the fixed box 1. Specifically in this embodiment, the handle 2 is slidably disposed in the fixed box 1. When the handle 2 is slidably operable relative to the fixed box 1, the push rod assembly 4 is urged to slide through the transmission member 3, so that the push rod 41 moves outward in a direction away from the fixed box 1.

[0044] In this preferred embodiment, since the handle 2 is slidably disposed in the fixed box 1, as long as the handle 2 is pulled to slide relative to the fixed box 1, the push rod assembly 4 can be urged to slide through the transmission member 3, so that the push rod 41 moves outward in a direction away from the fixed box 1, so that the push rod 41 presses against the box body 200 to achieve assisted door opening. Therefore, the operation is very simple and labor-saving. In addition, by embedding the assisted door handle assembly in the door body 300, the effect of hidden assisted door opening is achieved, which is convenient for users to operate and is beneficial to improving the user experience; in this way, the user can conveniently open the door body 300 of the refrigeration device through the assisted door handle assembly, and during the process of the handle 2 opening the door body 300, the handle 2 does not contact and rub against the side wall surface 302 of the door body 300, avoiding scratches on the hand-held end of the handle 2 and the side wall surface 302 of the door body 300.

[0045] To provide space for pulling the handle 2 and facilitate the operation of the handle 2, when the handle 2 is in the free state without being pulled, the end of the handle 2 adjacent to the outer surface of the door body 300 protrudes from the side wall surface 302 of the door body 300. Of course, it can also be set that the end of the handle 2 adjacent to the outer surface of the door body 300 does not protrude from the side wall surface 302 of the door body 300. As long as it is designed that when the handle 2 slides, the handle 2 does not interfere with the door body 300.

[0046] The sliding direction of the handle 2 is perpendicular to the longitudinal direction, and the sliding direction of the handle 2 forms an obtuse angle with the sliding direction of the ejector rod 41. That is to say, the handle 2 moves obliquely. In this embodiment, the longitudinal direction is the height direction of the refrigeration device 400, and the sliding direction of the ejector rod 41 is the depth direction of the refrigeration device.

[0047] Furthermore, a guiding portion for guiding the sliding of the handle 2 is provided on the fixed box 1. The guiding portion defines an inclined surface 112 parallel to the longitudinal direction, and the inclined surface 112 forms an obtuse angle with the sliding direction of the ejector rod 41. To guide the inclined sliding of the handle 2.

[0048] Specifically, the handle 2 includes a handle inclined portion 23 that fits against the inclined surface 112, a hand-held portion 21 for grasping, and a connecting portion 25 that connects the handle inclined portion 23 and the hand-held portion 21. The handle inclined portion 23 and the hand-held portion 21 are both angled with respect to the connecting portion 25, and the handle inclined portion 23 and the hand-held portion 21 are located on opposite sides of the connecting portion 25. The hand-held portion 21 is disposed closer to the outer surface of the door body 300. When the handle 2 is pulled, the handle 2 generates a certain displacement both in the direction of gradually approaching the outer surface of the door body 300 and in the direction of moving away from the side wall surface 302.

[0049] The handle inclined portion 23 forms an obtuse angle with the connecting portion 25, the hand-held portion 21 is substantially perpendicular to the connecting portion 25, and at least a part of the hand-held portion 21 is located outside the receiving cavity 10. In this way, it is convenient to operate, and when the handle 2 is pulled to generate sliding, the handle 2 will not interfere with the door body 300.

[0050] The handle 2 further includes positioning portions 22 located at both ends of the hand-held portion 21 in the longitudinal direction. The transmission member 3 includes a fixing portion 32 that is movably engaged with the positioning portions 22 and accommodates the positioning portions 22. Correspondingly, both the transmission member 3 and the ejector rod assembly 4 are provided in two.

[0051] An elastic member 5 is provided between the handle 2 and the transmission member 3. The positioning portion 22 is provided as a cylindrical structure with an opening. The elastic member 5 is received in the positioning portion 22, and one end of the elastic member 5 abuts against the positioning portion 22, and the other end of the elastic member 5 abuts against the fixing portion 32. Specifically, the elastic member 5 is provided as a compression spring. In addition, the transmission member 3 restricts the handle 2 from detaching from the fixed box 1. Specifically in this embodiment, the fixing portion 32 stops the positioning portion 22 to restrict the handle 2 from detaching from the fixed box 1.

[0052] The open end of the positioning portion 22 is spaced apart from the inner wall of the fixing portion 32 by a certain distance, so that when the handle 2 is pulled out, the positioning portion 22 can move towards the inside of the fixing portion 32 through the elastic compression of the elastic member 5. In addition, the assisted handle assembly 100 further includes a connecting member 6 disposed between the elastic member 5 and the fixing portion 32. Specifically, the connecting member is fixed to the inner wall of the fixing portion 32. One end of the connecting member 6 is positioned and connected to the elastic member 5, and the other end abuts against the inner wall of the fixing portion 32. The elastic member 5 is sleeved on the outer periphery of the connecting member 5. The connecting member 6 has a head abutting against the fixing portion 32 and a tail smaller in size than the head. The size of the elastic member 5 is the same as that of the tail, so that the elastic member 5 is sleeved on the tail and restricted by the head and will not be separated from the connecting member 6.

[0053] Further, the transmission member 3 is rotatably disposed in the fixed box 1 about the axis of rotation. The axis of rotation, the longitudinal direction, and the sliding direction of the ejector rod 41 are all perpendicular to each other. The transmission member 3 has opposite ends, one of which is movably mated with the handle 2, and the other of which is mated with the ejector rod assembly 4. Specifically, the transmission member 3 abuts against the ejector rod assembly 4. Of course, other mating methods may also be adopted between the transmission member 3 and the ejector rod assembly 4.

[0054] When the handle 2 is operatively moved relative to the fixed box 1, relative movement occurs between the positioning portion 22 and the fixing portion 32 in a direction parallel to the axis of rotation, and the fixing portion 32 and the positioning portion 22 rotate relative to each other, so that the transmission member 3 rotates relative to the fixed box 1 to urge the ejector rod assembly 4 to slide, so that the ejector rod 41 moves outward away from the fixed box 1. Therefore, as long as the handle 2 moves a small displacement, the ejector rod 41 can be moved out a certain distance to press against the box body, so that the moving space of the handle is small and will not interfere with the door body. Specifically, in this embodiment, the handle 2 is slidably disposed in the fixed box 1. Of course, the handle 2 may also be disposed on the fixed box 1 in other movable setting manners. As long as relative linear movement and relative rotation occur between the positioning portion 22 and the fixing portion 32, so that through the rotation of the transmission member 3, the ejector rod assembly 4 is urged to move linearly. When the handle 2 is operatively tilted and slid relative to the fixed box 1, the positioning portion 22 moves towards the bottom wall of the fixing portion 32 in the extending direction of the axis of rotation. At the same time, relative rotation occurs between the positioning portion 22 and the fixing portion 32, the elastic member 5 is compressed, and the transmission member 3 rotates relative to the fixed box 1 to push the ejector rod assembly 4 to move linearly relative to the fixed box 1, so that the ejector rod 41 moves outward in a direction protruding from the fixed box 1, thereby pressing against the box body 200 to achieve assisted door opening.

[0055] When the handle 2 is operably slid, the handle 2 generates a certain displacement both in the direction along the axis of rotation and in the sliding direction of the ejector rod 41. When the handle 2 is pulled from the free state to the final state, the hand-held portion 21 of the handle 2 gradually moves away from the side wall surface 302 and gradually approaches the outer surface of the door body 300. However, until the handle 2 is pulled to the final state, the hand-held portion 21 of the handle 2 does not protrude from the outer surface of the door body 300.

[0056] Referring to Figure 10 As shown, the ejector rod assembly 4 further includes a bracket 42 for fixing the ejector rod 41. An ejecting portion 43 extending out of the fixing box 1 is provided on the ejector rod 41. The bracket 42 includes a main body portion 421 extending along the extending direction of the axis of rotation and an abutting surface 422 located on one side of the main body portion 421. The transmission member 3 abuts against the abutting surface 422 of the main body portion 421. In addition, the ejector rod 41 has a pair of clamping arms 44 arranged at intervals in the longitudinal direction and a cross beam 45 connecting the pair of clamping arms 44. Grooves 425 corresponding to the clamping arms 44 are provided on the main body portion of the bracket 42, and the clamping arms 44 are received in the grooves 425.

[0057] The bracket 42 further includes side plates 423 provided at both ends of the main body portion 421 in the sliding direction of the ejector rod 41 and a partition plate 424 located between the side plates 423. Two adjacent limiting spaces are formed between the side plates 423 and the partition plate 424 and the main body portion 421. The ejector rod 41 is received in one of the limiting spaces, the clamping arms 44 are received in the grooves 425, and the cross beam 45 abuts against the main body portion 421. The size of the ejecting portion 43 is larger than the opening 118 and abuts against the box body 200 in the sliding direction of the ejector rod 41.

[0058] The power-assisted door handle assembly further includes a reset member 7 for applying a reset force to the ejector rod 41. The reset member 7 is limited between the inner wall of the fixing box 1 and the side surface of the main body portion 421 on the side opposite to the abutting surface 422, that is, the reset member 7 is received in another limiting space different from the one receiving the ejector rod 41. When the handle 2 is released, the reset member 7 is used to reset the ejector rod 41. The inner wall of the positioning groove 116 of the fixing box 1 and the main body portion 421 both have protruding columns protruding towards each other. In the present invention, the reset member 7 is a spring structure, and both ends of the reset member 7 are sleeved and fixed on the protruding columns to form a stable connection.

[0059] A cover plate 12 for preventing the transmission member 3 from detaching from the fixing box 1 is provided on the fixing box 1. The cover plate 12 is located on both sides of the handle 2 in the longitudinal direction to cover the transmission member 3. Referring to Figures 8 to 15 As shown, the cover plate 12 covers both ends of the fixing box 1 and is connected to both ends of the handle 2. The receiving cavity 10 extends in the longitudinal direction. One end of the fixing box 1 in the width direction of the refrigeration device is open, and the handle 2 is provided on the open side of the fixing box 1. The cover plate 12 correspondingly covers the transmission member 3 and the ejector rod assembly 4 to prevent the transmission member 3 from detaching from the fixing box 1 during rotation.

[0060] A sliding groove 113 is provided in the fixed box 1. The sliding groove 113 extends along the width direction of the refrigeration device and has a fixed depth, and the bottom wall of the sliding groove 113 is in the same inclined direction as the inclined surface 112. Refer to Figure 12 and Figure 15 As shown, the distance between the side of the inclined surface 112 close to the outer surface 301 of the door body 300 and the side wall surface 302 of the door body 300 is smaller than the distance between the side of the inclined surface 112 close to the inner surface of the door body 300 and the side wall surface 302 of the door body 300. That is to say, when the inclined surface 112 extends from the side closer to the outer surface 301 of the door body 300 to the side closer to the inner surface of the door body 300, the inclined surface 112 extends obliquely away from the side wall surface 302 of the door body 300. The fixed box 1 further includes receiving grooves 114 provided at both ends of the inclined surface 112 in the longitudinal direction, and the receiving grooves 114 are separated from the inclined surface 112 by a partition wall 115. Positioning grooves 116 for receiving the ejector rod assembly 4 are provided at both ends of the fixed box 1 in the longitudinal direction. An opening 118 communicating with the positioning groove 116 is provided on one side of the fixed box 1 close to the inner surface of the door body 300, so that the ejector rod assembly 4 extends out of the fixed box 1 from the opening 118. A rotating shaft 117 is convexly provided in the fixed box 1, and the rotating shaft 117 is located between the receiving groove 114 and the positioning groove 116 in the longitudinal direction. The transmission member 3 is rotatably provided on the fixed box 1 through the rotating shaft 117.

[0061] Refer to Figures 1 to 15 As shown, the positioning portion 22 is located in the receiving cavity 10 and received in the receiving groove 114. A protruding portion 24 that is slidably engaged with the sliding groove 113 of the fixed box 1 is convexly provided on the handle inclined portion 23, so as to limit the handle 2 to tilt and move outward along the direction of the axis of rotation and the sliding direction of the ejector rod 41 at the same time.

[0062] In the present invention, the handle inclined portion 23 fits with the inclined surface 112 of the fixed box 1 to guide the handle 2 to move outward along the inclined direction when pulled, that is, to tilt and move outward along the direction of the axis of rotation and the sliding direction of the ejector rod 41 at the same time. Of course, in a preferred solution of this embodiment, the structure is simple and easy to implement. In other embodiments, the fixed box 1 and the handle 2 may not be provided with the inclined surface 112 and the handle inclined portion 2323 that are inclined, but the sliding groove 113 is set as an inclined structure, so that when the protruding portion 24 on the handle 2 moves obliquely outward along the inclined sliding groove 113, the effect of tilting and moving outward along the direction of the axis of rotation and the sliding direction of the ejector rod 41 at the same time can also be achieved. Of course, the sliding groove 113 can also be provided on the handle 2, and correspondingly, the protruding portion 24 is provided on the fixed box 1. Similarly, other sliding fit structures can also be adopted, as long as the effect that the handle 2 tilts and moves outward along the direction of the axis of rotation and the sliding direction of the ejector rod 41 at the same time can be achieved. Related similar designs can also be included in the technical concept of the present invention.

[0063] The transmission member 3 has a rotating portion 31 rotatably connected to the fixed box 1 and an abutting portion 33 abutting against the ejector rod assembly 4. The fixing portion 32 and the abutting portion 33 are respectively located at both ends of the rotating portion 31. The rotating portion 31 is in the shape of a hollow cylinder and sleeved on the rotating shaft 117. In the present invention, the fixing portion 32 is arranged as a cylindrical structure with an opening. In the direction along the axis of rotation, the opening of the fixing portion 32 faces away from the handle 2. The positioning portion 22 is received in the fixing portion 32. The positioning portion 22 can move along the extending direction of the axis of rotation on the fixing portion 32. When the handle 2 moves, the positioning portion 22 can drive the fixing portion 32 to move in the receiving groove 114 along the sliding direction of the ejector rod 41, so that the transmission member 3 rotates. Since the transmission member 3 abuts against the ejector rod assembly 4, one end of the ejector rod assembly 4 abuts against and is positioned with the abutting portion 33 to form a linkage structure, and finally the ejector rod assembly 4 slides relative to the fixed box 1.

[0064] Refer to Figures 11 to 13 As shown in the figure, the door body 300 is closed and arranged on the box body 200. At this time, the power-assisted door handle assembly 100 is in a non-use state. The protruding portion 24 of the handle 2 is located at one end of the sliding groove 113 close to the box body 200. The fixing portion 32 of the transmission member 3 and the positioning portion 22 of the handle 2 are located on one side of the receiving groove 114 close to the box body 200 in the sliding direction of the ejector rod 41, and in the extending direction of the axis of rotation, the positioning portion 22 of the handle 2 corresponds to the receiving groove 114. There is a certain distance between the open end of the positioning portion 22 and the inner wall of the fixing portion 32. The abutting portion 33 of the transmission member 3 is located on one side of the positioning groove 116 away from the box body 200. The pushing portion 43 abuts against the box body 200.

[0065] Refer to Figures 14 to 16 As shown in the figure, the door body 300 is separated from the box body 200, and the power-assisted door handle assembly 100 is in a use state. That is, when the handle 2 is pulled outwards, that is, when the handle 2 is pulled towards the outer surface of the door body 300, the handle inclined portion 2323 of the handle 2 slides in the sliding groove 113 through the protruding portion 24 and moves outwards obliquely along the inclined surface 112, so that the handle 2 moves outwards obliquely along both the extending direction of the axis of rotation and the sliding direction of the ejector rod 41. At this time, the positioning portion 22 moves outwards along the extending direction of the axis of rotation on the fixing portion 32, compressing and deforming the elastic member 5. At the same time, the positioning portion 22 drives the fixing portion 32 to move outwards along the receiving groove 114, so that the transmission member 3 rotates relative to the fixed box 1, causing the abutting portion 33 to move inwards towards the direction close to the pushing portion 43, and pushing the pushing portion 43 of the ejector rod assembly 4 to extend outwards towards the outside of the fixed box 1. Thus, the pushing portion 43 abuts against the box body 200 and generates a reaction force on the door body 300, and the door body 300 is opened, realizing labor-saving and convenient door opening. After the handle 2 is released, the ejector rod 41 and the transmission member 3 return to the non-working state through the reset member 7, and the fixing portion 32 and the positioning portion 22 return to the non-working state through the elastic member 5, so that the handle 2 also returns to the non-working state.

[0066] As Figure 17 and Figure 18 shown, the second embodiment provided by the present invention is different from the first embodiment in that in this embodiment, no sliding groove is provided in the fixed box 201, and no protrusion mating with the sliding groove is provided on the handle 203. In addition, in this embodiment, a synchronization structure is provided between the handle 203 and the fixed box 201 to ensure that when the handle 203 is operatively slid, it is synchronized up and down. Other structural forms are the same as those of the first embodiment. Only the different parts will be introduced in detail below, and the same parts will not be expanded.

[0067] The synchronization structure enables at least two mating parts to be spaced apart in the longitudinal direction between the handle 203 and the fixed box 201, so that when the handle 203 is slid relative to the fixed box 201 at any position of the handle 203, the handle 203 can be synchronously slid in the longitudinal direction, and thus the ejector rod is moved outward away from the fixed box 201 through the transmission member. With such a setting, synchronous sliding can be achieved at any position of the handle 203, making the operation more convenient and the structure more reliable.

[0068] The synchronization structure 205 includes a synchronizing member 207 provided on one of the handle 203 and the fixed box 201, and at least two mating parts provided on the other of the handle 203 and the fixed box 201. The at least two mating parts are spaced apart in the longitudinal direction, and the at least two mating parts are all mated with the synchronizing member 207. Specifically, in this preferred embodiment, the synchronizing member 207 is fixedly provided on the handle 203, and correspondingly, at least two mating parts are provided on the fixed box 201. Of course, the synchronizing member 207 can also be provided on the fixed box 201, and correspondingly, the at least two mating parts are provided on the handle 203.

[0069] Further, the synchronizing member 207 is formed by bending a metal wire. The synchronizing member 207 has an intermediate body 209, a first bending portion 211 at one end of the intermediate body 209, and a second bending portion 213 at the other end of the intermediate body 209. The intermediate body 209, the first bending portion 211, and the second bending portion 213 are in the same plane. The mating part includes a first mating groove 215 and a second mating groove 217 provided on the fixed box 201, wherein the first mating groove 215 is mated with the first bending portion 211, and the second mating groove 217 is mated with the second bending portion 213. Since the synchronizing member 207 is formed by bending a section of metal wire, the synchronization of the handle 203 in the longitudinal direction is further ensured. Specifically, the synchronizing member 207 is a steel wire. In addition, being formed by bending a metal wire, the structure is simpler and the cost is lower. Furthermore, in this embodiment, a ejector rod guide member 219 is further provided on the fixed box 201, and the ejector rod 221 is provided on the ejector rod guide member 219.

[0070] The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A power-assisted door handle assembly, the power-assisted door handle assembly comprising a handle extending in a longitudinal direction and a fixed box defining a receiving cavity, at least a part of the handle being received in the receiving cavity, characterized in that: the power-assisted door handle assembly further comprises a transmission member movably disposed in the fixed box and movably engaged with the handle, and a ejector rod assembly slidably disposed relative to the fixed box. The ejector rod assembly includes an ejector rod extending out of the fixed box, and the transmission member is movably engaged with the ejector rod assembly. The handle is slidably disposed in the fixed box, and a synchronization structure is provided between the handle and the fixed box. The synchronization structure enables the handle and the fixed box to be spaced apart in the longitudinal direction by at least two mating portions, so that when the handle is operated to slide relative to the fixed box at any position, the handle can slide synchronously in the longitudinal direction, so as to move the ejector rod outward in a direction away from the fixed box through the transmission member; the handle includes a hand-held portion for gripping and positioning portions located at both ends of the hand-held portion in the longitudinal direction. The transmission member includes a fixed portion movably engaged with the positioning portion. An elastic member is provided between the handle and the transmission member. The positioning portion is provided as a cylindrical structure with an opening. The elastic member is received in the positioning portion, and one end of the elastic member abuts against the positioning portion, and the other end of the elastic member abuts against the fixed portion; the fixed box further includes a cover plate for preventing the transmission member from detaching from the fixed box.

2. The power-assisted door handle assembly according to claim 1, characterized in that: the synchronization structure includes a synchronization member provided on one of the handle and the fixed box, and at least two mating portions provided on the other of the handle and the fixed box. The at least two mating portions are spaced apart in the longitudinal direction, and the at least two mating portions are all engaged with the synchronization member.

3. The power-assisted door handle assembly according to claim 2, characterized in that: the synchronization member is formed by bending a metal wire. The synchronization member has an intermediate body, a first bent portion located at one end of the intermediate body, and a second bent portion located at the other end of the intermediate body. The intermediate body, the first bent portion and the second bent portion are in the same plane. The fixed box is provided with a first mating groove engaged with the first bent portion and a second mating groove engaged with the second bent portion.

4. The power-assisted door handle assembly according to claim 1, characterized in that: the transmission member is rotatably disposed in the fixed box about a rotation axis. When the handle is operated to slide relative to the fixed box, the positioning portion and the fixed portion move relative to each other in a direction parallel to the rotation axis, and the fixed portion and the positioning portion rotate relative to each other, so that the transmission member rotates relative to the fixed box to urge the ejector rod assembly to slide.

5. The power-assisted door handle assembly according to claim 4, characterized in that: The ejector rod assembly includes a bracket for fixing the ejector rod. An ejecting portion extending out of the fixing box is provided on the ejector rod. The bracket includes a main body portion extending along the extending direction of the rotation axis and an abutting surface on one side of the main body portion. The transmission member abuts against the abutting surface of the main body portion.

6. The assisted door handle assembly according to claim 5, wherein: The ejector rod has a pair of clamping arms arranged at intervals in the longitudinal direction. Grooves corresponding to the clamping arms are provided on the main body portion of the bracket, and the clamping arms are received in the grooves.

7. The assisted door handle assembly according to claim 5, wherein: The assisted door handle assembly further includes a reset member for applying a reset force to the ejector rod. The reset member is limited between the inner wall of the fixing box and the side surface of the main body portion facing away from the abutting surface.

8. The assisted door handle assembly according to claim 1, wherein: The fixing box is provided with a guiding portion for guiding the sliding of the door handle. The guiding portion defines an inclined surface parallel to the longitudinal direction, and the inclined surface forms an obtuse angle with the sliding direction of the ejector rod.

9. The assisted door handle assembly according to claim 8, wherein: The door handle includes a handle inclined portion fitting with the inclined surface, a hand-held portion for gripping, and a connecting portion connecting the handle inclined portion and the hand-held portion. The handle inclined portion and the hand-held portion are both arranged at an angle with the connecting portion, and the handle inclined portion and the hand-held portion are located on opposite sides of the connecting portion.

10. The assisted door handle assembly according to claim 9, wherein: The handle inclined portion forms an obtuse angle with the connecting portion, the hand-held portion is perpendicular to the connecting portion, and at least part of the hand-held portion is located outside the receiving cavity.

11. The assisted door handle assembly according to claim 1, wherein: The cover plate is located on both sides of the door handle in the longitudinal direction to cover the transmission member.

12. A refrigeration device includes a box body with an open side and a door body for closing the open portion of the box body, wherein: The door body is provided with the assisted door handle assembly according to any one of claims 1 to 11. The assisted door handle assembly is embedded in the side wall surface of the door body, and the ejector rod of the assisted door handle assembly abuts against the box body.

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