CN211115445U - Household appliance with hand-clamping-preventing hinged door - Google Patents
Household appliance with hand-clamping-preventing hinged door Download PDFInfo
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- CN211115445U CN211115445U CN201921178383.6U CN201921178383U CN211115445U CN 211115445 U CN211115445 U CN 211115445U CN 201921178383 U CN201921178383 U CN 201921178383U CN 211115445 U CN211115445 U CN 211115445U
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- hinge
- swing arm
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Abstract
The utility model provides a domestic appliance with prevent tong hinged door, includes the box and the door body, be equipped with the hinge subassembly between the box and the door body, the hinge subassembly includes first flap, second flap, the hinge support, pull rod and pulley, be equipped with first connecting axle on the second flap, be equipped with the linking arm on the first flap, the one end of linking arm is equipped with first shaft hole, first connecting axle inserts in the first shaft hole, the pull rod is equipped with the swing arm, the swing arm is articulated with the second flap, first connecting axle and pulley all are close to a body bottom on the direction of height from top to bottom, the height that highly is less than the pulley top on first shaft hole top, the height that highly is higher than the pulley bottom of first shaft hole bottom, the centre on swing arm bottom is equipped with straight line bottom, the length on straight line bottom is greater than the length on base 1/2. The utility model discloses a domestic appliance can realize that the tong hole of hinged door becomes very little, makes in the finger can't stretch into the tong hole to effectively prevent that the tong problem from appearing.
Description
Technical Field
The utility model relates to a household appliance, in particular to household appliance with prevent tong hinged door.
Background
The door opening modes of the household appliance include a left-right door opening mode and a pull-down door opening mode, wherein a door opening and closing hinge assembly of the pull-down door opening mode can refer to a patent with a publication number of CN 108644830A: the hinge assembly is internally provided with a movable pull rod, one part of the pull rod is exposed between the rear side of the door body and the front side of the box body when the door body is in a half-open state, the exposed part of the pull rod, the rear side of the door body and the front side of the box body enclose a larger hand clamping hole, and a finger can be easily placed in the larger hand clamping hole. Because the pull rod is made of metal materials, if fingers are placed into the door body carelessly in the half-open state, especially if a child mistakenly places the fingers into the hand clamping holes, the door body is completely opened from the half-open state, and the pull rod can press the fingers like a knife switch.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to provide a simple structure, effectively prevent tong problem, the domestic appliance who has anti-pinch hinge door that the practicality is strong to overcome the weak point among the prior art.
According to the domestic appliance of this purpose design's a with prevent tong hinged-door, including the box and the door body, be equipped with the hinge subassembly between the box and the door body, the door body passes through the hinge subassembly and is connected with the box rotation from top to bottom, the hinge subassembly includes first flap, second flap, hinge support, pull rod and pulley, the hinge support is fixed on the box, and the equal fixed connection of pulley and first flap is on the hinge support, and the second flap is fixed at the door internally, is equipped with first connecting axle on the second flap, is equipped with the linking arm that extends to the door body direction on the first flap, and the one end of linking arm is equipped with first shaft hole, and first connecting axle inserts first shaft downthehole, and the pull rod is equipped with the swing arm, and the swing arm is articulated with the second flap, its characterized: the first connecting shaft and the pulley are close to the bottom end of the door body in the vertical height direction, the height of the top end of the first shaft hole is lower than that of the top end of the pulley, and the height of the bottom end of the first shaft hole is higher than that of the bottom end of the pulley; the door body rotates around the first shaft hole.
The middle of the bottom edge of the swing arm is provided with a straight bottom edge, and the length of the straight bottom edge is greater than that of the bottom edge 1/2 of the swing arm.
And a second connecting shaft is arranged on the second hinge plate, a first hook groove is arranged on the swing arm, and the second connecting shaft is hinged on the first hook groove.
The first connecting shaft is farther away from the bottom end of the door body and closer to the front of the door body relative to the second connecting shaft.
When the door body is completely opened, the swing arm and the connecting arm are at least partially overlapped in the front-back direction of the box body, and the lower portion of the swing arm and the upper portion of the connecting arm are mutually abutted or the distance between the lower portion of the swing arm and the upper portion of the connecting arm is less than 1 mm.
The length of the swing arm is larger than that of the connecting arm, and when the door body is completely opened, the front end of the swing arm is located in front of the front end of the connecting arm.
The bottom of the pull rod is provided with an arc-shaped track edge and a linear track edge connected to one end of the arc-shaped track edge, when the door body is completely closed, the arc-shaped track edge is tangent to the wheel groove on the upper side of the pulley, and when the door body is opened, the linear track edge slides along the wheel groove on the upper side of the pulley.
The second hinge plate is provided with a first connecting plate, a door framework is arranged in the door body, the first connecting plate is connected with the door framework, a second connecting plate is bent upwards at the side edge of the first connecting plate, a third connecting plate is bent downwards at the side edge of the first connecting plate, the first connecting plate is connected to the front surface of the door framework, the second connecting plate is positioned on the side surface of the door framework, and the third connecting plate is positioned below the door framework; the first connecting shaft is arranged on the third connecting plate, and the second connecting shaft is arranged on the second connecting plate.
The surface of the hinge support corresponds to the position of the bottom end of the first hinge plate, a supporting edge is convexly extended, a clamping groove is formed in the supporting edge, and the bottom end of the first hinge plate is pressed on the clamping groove.
A tension spring is connected between the bottom of the hinge support and the tail of the pull rod, a second hook groove is formed in the bottom of the hinge support, a third hook groove is formed in the tail of the pull rod, one end of the tension spring is hooked on the second hook groove, and the other end of the tension spring is hooked on the third hook groove; the top of hinge support is equipped with spacing limit, and the relative swing arm of afterbody of pull rod is the perk form, and the afterbody of pull rod is equipped with the position stopping portion, and when the door body was opened completely, the position stopping portion stopped to be located spacing edge.
The utility model discloses a first connecting axle on the hinge subassembly of domestic appliance hinged door is basically on same water flat line with the pulley, is equipped with the straight line base in the middle of the swing arm base of pull rod, and the length on this straight line base accounts for more than 1/2 of swing arm base overall length, can realize that the tong hole of hinged door becomes very little, makes in the finger can't stretch into the tong hole to effectively prevent that the tong problem from appearing. The novel handle has the characteristics of simple structure, effective prevention of hand clamping and strong practicability.
Drawings
Fig. 1 is a schematic view of an overall structure of a household appliance according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view of the overall structure of a hinge assembly according to an embodiment of the present invention.
Fig. 4 is an exploded view of a hinge assembly according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of the hinge assembly when the door body is completely closed according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of the hinge assembly when the door body is completely opened according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the household appliance with the anti-pinch hinged door comprises a box body 1 and a door body 2, wherein a hinge assembly is arranged between the box body 1 and the door body 2, the door body 2 is connected with the box body by the hinge assembly in an up-and-down rotating manner, the hinge assembly comprises a first hinge plate 4, a second hinge plate 5, a hinge support 6, a pull rod 7 and a pulley 3, the hinge support 6 is fixed on the box body 1, the pulley 3 and the first hinge plate 4 are fixedly connected on the hinge support 6, the second hinge plate 5 is fixed in the door body 2, the second hinge plate 5 is provided with a first connecting shaft 5.4, the first hinge plate 4 is provided with a connecting arm 4.1 extending towards the door body direction, one end of the connecting arm 4.1 is provided with a first shaft hole 4.2, the first connecting shaft 5.4 is inserted into the first shaft hole 4.2, so as to realize the hinging between the connecting arm 4.1 and the second hinge plate 5, and enable the, the pull rod 7 is provided with a swing arm 7.4, the swing arm 7.4 is hinged with the second hinge plate 5, the first connecting shaft 5.4 and the pulley 3 are close to the bottom end of the door body 2 in the vertical height direction, the top end of the first shaft hole 4.2 is lower than the top end of the pulley 3, the bottom end of the first shaft hole 4.2 is higher than the bottom end of the pulley 3, and the first connecting shaft 5.4 and the pulley shaft are basically on the same horizontal line; the door body 2 rotates around the first shaft hole 4.2; the middle of the bottom edge of the swing arm 7.4 is provided with a straight bottom edge 7.6, and the length of the straight bottom edge 7.6 is larger than that of the bottom edge 1/2 of the swing arm 7.4. In the traditional downward-pulling type door body, the first connecting shaft 5.4 is generally arranged at the bottom end of the door body 2, the connecting arm 4.1 of the first hinge plate 4 is also required to be arranged at the bottom end of the door body 2, and in addition, the pull rod 7 is required to be arranged above the pulley 3, if the pulley 3 is arranged too high, the connecting arm 4.1, the pulley 3 and the pull rod 7 of the first hinge plate 4 are bound to form a very large hand clamping hole, fingers can be easily placed into the hand clamping hole, and the household appliance with the hand clamping prevention hinge door can enable the hand clamping hole to be small by enabling the first connecting shaft 5.4 and the pulley 3 to be close to the bottom end of the door body 2 in the vertical height direction and enabling the pulley shaft and the first connecting shaft 5.4 to be basically on the same horizontal line; the middle of the bottom edge of the swing arm 7.4 of the pull rod 7 is provided with a straight bottom edge 7.6, the length of the straight bottom edge 7.6 accounts for more than 1/2 of the total length of the bottom edge of the swing arm 7.4, compared with an arched pull rod front arm of a traditional pull-down door body, the upper edge of the hand clamping hole can be pulled down, so that the hand clamping hole is reduced, and in addition, the design that the pulley shaft and the first connecting shaft 5.4 are basically on the same horizontal line can minimize the hand clamping hole, so that fingers cannot extend into the hand clamping hole; the design of the straight bottom edge 7.6 can also ensure that the door body 2 can be turned over by 90 degrees, so that the door body 2 is completely opened.
The second hinge plate 5 is provided with a second connecting shaft 5.5, the swing arm 7.4 is provided with a first hook groove 7.7, and the second connecting shaft 5.5 is hinged on the first hook groove 7.7, so that the pull rod 7 can swing on the pulley 3.
The first connecting shaft 5.4 is further away from the bottom end of the door body 2 and closer to the front of the door body 2 than the second connecting shaft 5.5.
When the door body 2 is completely opened, the swing arm 7.4 and the connecting arm 4.1 are at least partially overlapped in the front-back direction of the box body 1; the lower part of the swing arm 7.4 and the upper part of the connecting arm 4.1 are mutually abutted, so that the connecting arm 4.1 of the first hinge plate 4 can support the door body 2 in an auxiliary mode, or the distance between the lower part of the swing arm 7.4 and the upper part of the connecting arm 4.1 is less than 1mm, and the door body 2 can be prevented from being pressed down by more than 1 mm. Because the door body 2 comprises the heavier glass plate and the metal door frame 2.1, the door body 2 is very heavy, and the two designs can prevent the door body 2 from being pressed down due to overweight, thereby damaging the door body 2.
The length of the swing arm 7.4 is larger than that of the connecting arm 4.1, and when the door body 2 is completely opened, the front end of the swing arm 7.4 is positioned in front of the front end of the connecting arm 4.1.
The bottom of the pull rod 7 is provided with an arc-shaped track edge 7.3 and a linear track edge 7.2 connected to one end of the arc-shaped track edge 7.3, when the door body 2 is completely closed, the arc-shaped track edge 7.3 is tangent to the wheel groove on the upper side of the pulley 3, and when the door body 2 is opened, the linear track edge 7.2 slides along the wheel groove on the upper side of the pulley 3.
The second hinge plate 5 is provided with a first connecting plate 5.1, a door frame 2.1 is arranged inside the door body 2, the first connecting plate 5.1 is connected with the door frame 2.1, the side edge of the first connecting plate 5.1 is bent upwards to form a second connecting plate 5.2, the side edge of the first connecting plate 5.1 is bent downwards to form a third connecting plate 5.3, the first connecting plate 5.1 is connected with the front surface of the door frame 2.1, the second connecting plate 5.2 is positioned on the side surface of the door frame 2.1, and the third connecting plate 5.3 is positioned below the door frame 2.1; the first connecting shaft 5.4 is arranged on the third connecting plate 5.3, and the second connecting shaft 5.5 is arranged on the second connecting plate 5.2.
The surface of the hinge support 6 is convexly extended with a support edge 6.3 corresponding to the bottom end of the first hinge plate 4, the support edge 6.3 is provided with a clamping groove 6.4, the bottom end of the first hinge plate 4 is pressed on the clamping groove 6.4, and the clamping groove 6.4 plays a role in supporting and fixing the first hinge plate 4, so that the door body 2 is not easy to translocate.
A tension spring 8 is connected between the bottom of the hinge support 6 and the tail of the pull rod 7, a second hook groove 6.2 is arranged at the bottom of the hinge support 6, a third hook groove 7.1 is arranged at the tail of the pull rod 7, one end of the tension spring 8 is hooked on the second hook groove 6.2, and the other end of the tension spring is hooked on the third hook groove 7.1; the top of hinge support 6 is equipped with spacing limit 6.1, and the relative swing arm 7.4 of afterbody of pull rod 7 is the perk form, and the afterbody of pull rod 7 is equipped with stop portion 7.5, and when the door body 2 was opened completely, stop portion 7.5 stopped to be located spacing limit 6.1, can prevent that the door body 2 from rotating excessively.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The household appliance with the anti-pinch hinged door comprises a box body (1) and a door body (2), wherein a hinge assembly is arranged between the box body (1) and the door body (2), the door body (2) is connected with the box body in an up-and-down rotating mode through the hinge assembly, the hinge assembly comprises a first hinge plate (4), a second hinge plate (5), a hinge support (6), a pull rod (7) and a pulley (3), the hinge support (6) is fixed on the box body (1), the pulley (3) and the first hinge plate (4) are fixedly connected onto the hinge support (6), the second hinge plate (5) is fixed in the door body (2), a first connecting shaft (5.4) is arranged on the second hinge plate (5), a connecting arm (4.1) extending towards the door body direction is arranged on the first hinge plate (4), a first shaft hole (4.2) is arranged at one end of the connecting arm (4.1), and the first connecting shaft (5.4) is inserted into the first shaft hole (4.2), pull rod (7) are equipped with swing arm (7.4), and swing arm (7.4) are articulated with second flap (5), its characterized in that: the first connecting shaft (5.4) and the pulley (3) are close to the bottom end of the door body (2) in the vertical height direction, the height of the top end of the first shaft hole (4.2) is lower than that of the top end of the pulley (3), and the height of the bottom end of the first shaft hole (4.2) is higher than that of the bottom end of the pulley (3); the door body (2) rotates around the first shaft hole (4.2).
2. The household appliance with a pinch-proof hinged door of claim 1, wherein: the middle of the bottom edge of the swing arm (7.4) is provided with a straight bottom edge (7.6), and the length of the straight bottom edge (7.6) is greater than that of the bottom edge 1/2 of the swing arm (7.4).
3. The household appliance with a pinch-proof hinged door of claim 2, wherein: and a second connecting shaft (5.5) is arranged on the second hinge plate (5), a first hook groove (7.7) is arranged on the swing arm (7.4), and the second connecting shaft (5.5) is hinged on the first hook groove (7.7).
4. The household appliance with a pinch-proof hinged door of claim 3, wherein: the first connecting shaft (5.4) is far away from the bottom end of the door body (2) and is closer to the front of the door body (2) relative to the second connecting shaft (5.5).
5. The household appliance with a pinch-proof hinged door of claim 1, wherein: when the door body (2) is completely opened, the swing arm (7.4) and the connecting arm (4.1) are at least partially overlapped in the front-back direction of the box body (1), and the lower part of the swing arm (7.4) and the upper part of the connecting arm (4.1) are mutually abutted or the distance between the lower part of the swing arm and the upper part of the connecting arm (4.1) is less than 1 mm.
6. The household appliance with a pinch-proof hinged door of claim 1, wherein: the length of the swing arm (7.4) is larger than that of the connecting arm (4.1), and when the door body (2) is completely opened, the front end of the swing arm (7.4) is positioned in front of the front end of the connecting arm (4.1).
7. The household appliance with a pinch-proof hinged door of claim 1, wherein: the bottom of the pull rod (7) is provided with an arc-shaped track edge (7.3) and a linear track edge (7.2) connected to one end of the arc-shaped track edge (7.3), when the door body (2) is completely closed, the arc-shaped track edge (7.3) is tangent to the wheel groove on the upper side of the pulley (3), and when the door body (2) is opened, the linear track edge (7.2) slides along the wheel groove on the upper side of the pulley (3).
8. The household appliance with a pinch-proof hinged door of claim 3, wherein: the door is characterized in that a first connecting plate (5.1) is arranged on the second hinge plate (5), a door frame (2.1) is arranged in the door body (2), the first connecting plate (5.1) is connected with the door frame (2.1), a second connecting plate (5.2) is bent upwards at the side edge of the first connecting plate (5.1), a third connecting plate (5.3) is bent downwards at the side edge of the first connecting plate (5.1), the first connecting plate (5.1) is connected to the front surface of the door frame (2.1), the second connecting plate (5.2) is located on the side surface of the door frame (2.1), and the third connecting plate (5.3) is located below the door frame (2.1); the first connecting shaft (5.4) is arranged on the third connecting plate (5.3), and the second connecting shaft (5.5) is arranged on the second connecting plate (5.2).
9. The household appliance with a pinch-proof hinged door according to any one of claims 1 to 8, wherein: the surface of the hinge support (6) is convexly provided with a supporting edge (6.3) corresponding to the bottom end of the first hinge plate (4), the supporting edge (6.3) is provided with a clamping groove (6.4), and the bottom end of the first hinge plate (4) is pressed on the clamping groove (6.4).
10. The household appliance with a pinch-proof hinged door of claim 1, wherein: a tension spring (8) is connected between the bottom of the hinge support (6) and the tail of the pull rod (7), a second hook groove (6.2) is formed in the bottom of the hinge support (6), a third hook groove (7.1) is formed in the tail of the pull rod (7), one end of the tension spring (8) is hooked on the second hook groove (6.2), and the other end of the tension spring is hooked on the third hook groove (7.1); the top of hinge support (6) is equipped with spacing limit (6.1), and the relative swing arm (7.4) of afterbody of pull rod (7) are the perk form, and the afterbody of pull rod (7) is equipped with stop portion (7.5), and when the door body (2) was opened completely, stop portion (7.5) stopped to be located spacing limit (6.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178383.6U CN211115445U (en) | 2019-07-24 | 2019-07-24 | Household appliance with hand-clamping-preventing hinged door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178383.6U CN211115445U (en) | 2019-07-24 | 2019-07-24 | Household appliance with hand-clamping-preventing hinged door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115445U true CN211115445U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921178383.6U Active CN211115445U (en) | 2019-07-24 | 2019-07-24 | Household appliance with hand-clamping-preventing hinged door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109115A1 (en) * | 2021-12-16 | 2023-06-22 | 广东美的厨房电器制造有限公司 | Door assembly and cooking appliance |
-
2019
- 2019-07-24 CN CN201921178383.6U patent/CN211115445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109115A1 (en) * | 2021-12-16 | 2023-06-22 | 广东美的厨房电器制造有限公司 | Door assembly and cooking appliance |
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