CN110965874A

CN110965874A - Door hinge applied to dish washing machine

Info

Publication number: CN110965874A
Application number: CN201911422106.XA
Authority: CN
Inventors: 卢宇凡; 杜建成; 蔡浩生; 施飞
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-07

Abstract

The invention relates to the technical field of dish washing machines, in particular to a door body hinge applied to a dish washing machine. A door body hinge applied to a dish washing machine comprises a door body and a door frame hinged with the door body, wherein the door body hinge also comprises a hinge plate, a slide block, a spring, a shaft and a hinge seat; the hinge plate is fixed with the door body, and the sliding block is clamped and fixed in the hinge plate; the hinge seat is fixed with the door frame, and the shaft is clamped and fixed in the hinge seat; the spring sleeve locate the axle outside, the axle passes the slider and the slider can the pivoting, the both ends contact slider of spring. The hinge seat fixed on the door frame and the hinge plate fixed on the door body are provided with the shaft between the hinge seat and the hinge plate so that the hinge seat and the hinge plate can move coaxially, and the door body can do opening and closing movement along the shaft. But also can improve the service life of the door body hinge and reduce the assembly cost.

Description

Door hinge applied to dish washing machine

Technical Field

The invention relates to the technical field of dish washing machines, in particular to a door body hinge applied to a dish washing machine.

Background

In the present dish washer industry, the desktop dish washer of the mode of opening the door on the majority, in the hinge of the door body, the majority uses the outsourcing piece or designs by oneself and pivot motion, uses the outsourcing piece to make product cost promote, designs by oneself and pivots motion, does not reach the effect that the door body opened the optional position, and this mechanism probably uses the initial stage to reach the effect of stopping wantonly simultaneously, but along with live time is more of a specified duration, this mechanism is not hard up more, influences user's use and experiences.

Disclosure of Invention

The invention aims to solve the technical problems at least to a certain extent, and provides a door body hinge applied to a dish washing machine, which can prolong the service life of the door body hinge and reduce the assembly cost.

The technical scheme of the invention is as follows: a door body hinge applied to a dish washing machine comprises a door body and a door frame hinged with the door body, wherein the door body hinge also comprises a hinge plate, a slide block, a spring, a shaft and a hinge seat;

the hinge plate is fixed with the door body, and the sliding block is clamped and fixed in the hinge plate; the hinge seat is fixed with the door frame, and the shaft is clamped and fixed in the hinge seat; the spring sleeve locate the axle outside, the axle passes the slider and the slider can the pivoting, the both ends contact slider of spring.

In the invention, the hinge plate, the door body and the slide block are fixed together and rotate together during movement, and the shaft, the hinge seat and the door frame are fixed together and are always in a static state.

When the door body is opened, the door body drives the hinge plate, at the moment, the slide blocks are stressed, the slide blocks at two ends move towards the middle, the slide blocks can only move along the middle of the axial direction due to the clamping effect of the hinge plate and the slide blocks, and meanwhile, the shaft cannot rotate under the clamping effect of the shaft and the hinge seat. So that the slide can only move in the axial direction. The spring is added in the middle of the shaft, so that the sliding block is always subjected to outward elastic force, and the sliding block is not loosened after being used for a long time. The service life of the door body hinge can be prolonged, and the assembly cost is reduced.

Furthermore, the hinge plate comprises a hinge plate plane part and an extension part connected with the hinge plate plane part, the hinge plate plane part is provided with a mounting hole, the hinge plate is fixed with the door body through the mounting hole, the extension part is provided with a hinge plate hole position, and the sliding block penetrates through the hinge plate hole position and is fixedly connected with the hinge plate in a clamping mode. The door body is provided with a door body mounting part, and the hinge plate is fixed with the door body mounting part.

In the invention, the plane part of the hinge plate is tightly attached to the installation part of the door body and fixed by drilling bolts on the installation holes. The installation mode is simple and quick.

Furthermore, the cross section of the hinge plate plane part is perpendicular to the cross section of the extension part.

Further, the slider include the slider main part, locate the outer portion of following of slider main part lateral part, the slider main part with the slider outer inside of following be equipped with the slider through-hole, the slider main part pass the flap hole site rather than the joint fixed, the axle pass the slider through-hole. The side wall of the sliding block main body is also provided with a clamping flat position.

According to the invention, the outer contour dimension of the outer edge part of the sliding block is larger than that of the sliding block main body, the shape of the sliding block main body is matched with that of the hinge plate hole site, the sliding block main body penetrates through the hinge plate hole site, and the hinge plate and the sliding block are clamped and fixed together due to the arrangement of the clamping flat position.

In addition, the shaft passes through the through hole of the sliding block, and the sliding block can rotate around the shaft.

Furthermore, the hinge seat comprises a hinge seat base and a hinge seat extending part connected with the hinge seat base, wherein a shaft mounting hole is formed in the hinge seat extending part, and two ends of a shaft are inserted into the shaft mounting hole and are fixedly connected with the hinge seat in a clamping mode. The door frame on be equipped with the door frame installation department, hinge seat is fixed with the door frame installation department.

The cross section of the hinge seat base is vertical to the cross section of the hinge seat extension part; the shaft comprises a shaft main body and shaft clamping position flat positions arranged on the outer walls of the two end parts of the shaft main body, the shaft clamping position flat positions are matched with the shape of the shaft mounting hole and are clamped and fixed with the shaft mounting hole, and the spring is sleeved on the shaft main body.

In the invention, the hinge base is integrally arranged on the door frame mounting part and can be fixed with the door frame mounting part through bolts or other modes. The axle main part is cylindrical, and the both ends of axle are inserted in the axle mounting hole, have set up the flat position of axle screens on the outer wall of axle main part both ends, consequently, the axle joint is fixed in the axle mounting hole.

In addition, the spring is sleeved on the shaft main body, two ends of the spring are respectively contacted with the sliding block main body, and when the sliding block moves axially, the spring exerts elastic force on the sliding block.

Furthermore, the hinge seat extension part is provided with a plurality of hinge seat positioning holes, and the outer edge part of the sliding block is provided with a plurality of clamping convex points which can be clamped with the hinge seat positioning holes. The hinge seat positioning holes are uniformly distributed outside the shaft mounting hole, and the clamping bumps are uniformly distributed outside the slider through hole.

In the invention, when the door body is closed or positioned, the clamping convex points are clamped in the positioning holes of the hinge seat. When the door body is opened or rotated, the door body drives the hinge plate, at the moment, the slide block is stressed, the clamping salient point is separated from the positioning hole of the hinge seat, and the slide blocks at two ends move towards the middle; the middle of axle increases the spring, makes the slider receive an outside elasticity constantly, and when the door body rotated a certain position, the spring can drive the slider and outwards remove along the axle for the screens bump joint is inside hinge seat locating hole once more, thereby makes the door body can fix a position at the angle of difference.

In addition, a sliding block limiting mechanism is further arranged at the door body mounting part of the door body, and the sliding block limiting mechanism can limit the axial movement position of the sliding block.

Compared with the prior art, the beneficial effects are: the hinge seat fixed on the door frame and the hinge plate fixed on the door body are provided with the shaft between the hinge seat and the hinge plate so that the hinge seat and the hinge plate can move coaxially, and the door body can do opening and closing movement along the shaft. And improve door body hinge life, reduce the subassembly cost.

Drawings

Fig. 1 is an exploded view of the overall structure of the present invention.

FIG. 2 is an enlarged view of the hinge plate and the slider of the present invention.

FIG. 3 is an enlarged view of the shaft and hinge mount of the present invention.

FIG. 4 is a sectional view of the door body of the present invention in a positioning state.

Fig. 5 is a schematic sectional view of the motion state of the door body.

FIG. 6 is a schematic view of the hinge plate and the slider of the present invention.

FIG. 7 is a schematic view of the shaft engaging with the hinge base according to the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1, a door hinge applied to a dishwasher comprises a door body 1 and a door frame 7 hinged to the door body 1, wherein the door hinge further comprises a hinge plate 2, a sliding block 3, a spring 4, a shaft 5 and a hinge seat 6;

in this embodiment, the door body 1 is provided with a door body mounting portion 11, the door frame 7 is provided with a door frame mounting portion 71, the hinge plate 2 is fixed to the door body mounting portion 11, and the hinge base 6 is fixed to the door frame mounting portion 71.

The sliding block 3 is clamped and fixed in the hinge plate 2; the shaft 5 is clamped and fixed in the hinge seat 6; the spring 4 is sleeved outside the shaft 5, the shaft 5 penetrates through the sliding block 3, the sliding block 3 can rotate around the shaft 5, and two ends of the spring 4 are in contact with the sliding block 3.

In this embodiment, the hinge plate 2, the door body 1 and the slider 3 are fixed together and rotate together during movement, and the shaft 5, the hinge seat 6 and the door frame 7 are fixed together and are always in a static state.

As shown in fig. 1 and 2, the hinge plate 2 includes a hinge plate plane portion 21 and an extension portion 23 connected to the hinge plate plane portion 21, the hinge plate plane portion 21 is provided with a mounting hole 22, the hinge plate 2 is fixed to the door body 1 through the mounting hole 22, the extension portion 23 is provided with a hinge plate hole 24, and the slider 3 passes through the hinge plate hole 24 and is clamped and fixed to the hinge plate 2.

In the present embodiment, the hinge plate plane portion 21 is closely attached to the door body mounting portion 11, and is fixed by bolting to the mounting hole 22. The installation mode is simple and quick. In addition, the cross section of the hinge plate plane portion 21 and the cross section of the extension portion 23 are perpendicular to each other.

As shown in fig. 1, 2 and 6, the slider 3 includes a slider main body 31 and a slider outer edge portion 32 disposed at a side portion of the slider main body 31, a slider through hole 34 is disposed inside the slider main body 31 and the slider outer edge portion 32, the slider main body 31 passes through the hinge plate hole 24 and is clamped and fixed with the hinge plate hole 24, and the shaft 5 passes through the slider through hole 34. The side wall of the slider body 31 is also provided with a clamping flat position 35. The shaft 5 passes through the slider through hole 34, and the slider 3 can rotate around the shaft 5.

In this embodiment, the outer contour dimension of the outer edge portion 32 of the slider is larger than the outer contour dimension of the slider main body 31, the shape of the slider main body 31 is matched with the shape of the hinge plate hole site 24, the slider main body 31 penetrates through the hinge plate hole site 24, and the hinge plate 2 and the slider 3 are clamped and fixed together due to the arrangement of the clamping flat level 35. As shown in fig. 2 and 6, the cross section of the slider body 31 has an upper and lower arc shape, and the middle part is a linear clamping flat position 35, and by the shape design, the slider 3 can be clamped and fixed with the hinge plate 2, and the slider 3 can drive the hinge plate 2 to rotate together when rotating.

As shown in fig. 1, 3 and 7, the hinge base 6 includes a hinge base 61 and a hinge base extension 62 connected to the hinge base 61, the hinge base extension 62 is provided with a shaft mounting hole 64, and two ends of the shaft 5 are inserted into the shaft mounting hole 64 and are fixed to the hinge base 6 in a clamping manner.

The cross section of the hinge base 61 is perpendicular to the cross section of the hinge base extension 62; the shaft 5 comprises a shaft main body 51 and shaft clamping flat positions 52 arranged on the outer walls of the two end parts of the shaft main body 51, the shaft clamping flat positions 52 are matched with the shape of the shaft mounting hole 64 and are clamped and fixed with each other, and the spring 4 is sleeved on the shaft main body 51.

In this embodiment, the hinge base 61 is integrally disposed on the door frame mounting portion 71, and can be fixed to the door frame mounting portion 71 by bolts or other means. The shaft main body 51 is cylindrical, two ends of the shaft 5 are inserted into the shaft mounting holes 64, and the outer walls of the two ends of the shaft main body 51 are provided with shaft clamping flat positions 52, so that the shaft 5 is clamped and fixed in the shaft mounting holes 64. In addition, the whole length of the shaft 5 is matched with the distance between the two hinge base extending parts 62, and both ends of the shaft 5 are inserted into the shaft mounting holes 64 to be positioned. The section of the flat position 52 of the shaft clamping position is also circular arc-shaped up and down, and the middle part is a straight line.

As shown in fig. 4-7, the spring 4 is sleeved on the shaft main body 51, two ends of the spring 4 are respectively contacted with the slider main body 31, and when the slider 3 moves axially, the spring 4 exerts elastic force on the slider 3.

The hinge seat extension part 62 is provided with a plurality of hinge seat positioning holes 63, and the outer edge part 32 of the slide block is provided with a plurality of clamping salient points 33 which can be clamped with the hinge seat positioning holes 63. The hinge seat positioning holes 63 are uniformly distributed outside the shaft mounting holes 64, and the clamping salient points 33 are uniformly distributed outside the slider through holes 34.

In this embodiment, the number of the hinge seat positioning holes 63 is greater than the number of the positioning bumps 33, and in addition, a slider limiting mechanism 80 is further disposed at the door body mounting portion of the door body 1, and the slider limiting mechanism 80 can limit the axial movement position of the slider 3.

The working principle of the embodiment is as follows: when the door body 1 is closed or positioned, the door body 1 is in a positioning state, as shown in fig. 4, the clamping convex points 33 are clamped inside the hinge seat positioning holes 63, and the sliding block 3 tends to move outwards along the axial direction due to the elastic force of the springs 4 on the sliding block 3, so that the clamping convex points 33 are stably clamped inside the hinge seat positioning holes 63 at the moment.

When the door body 1 is opened or rotated, as shown in fig. 5, the door body 1 drives the hinge plate 2, at this time, the slide block 3 is stressed, the blocking convex point 33 is separated from the hinge seat positioning hole 63, and the slide blocks 3 at the two ends move towards the middle, as shown in the direction of the arrow in fig. 5. Because the slide block 3 can only move along the axial middle part under the clamping action of the hinge plate 2 and the slide block 3, the spring 4 is compressed, and meanwhile, the shaft 5 cannot rotate under the clamping action of the shaft 5 and the hinge seat 6. So that the slide 3 can only move in the axial direction. The spring 4 is added in the middle of the shaft 5, so that the sliding block 3 is always subjected to outward elastic force, and the sliding block 3 is not loosened after being used with the hinge seat 6.

When the door body 1 rotates to a certain position, the elastic force of the spring 4 can drive the sliding block 3 to move outwards along the shaft, so that the clamping convex points 33 are clamped inside the hinge seat positioning holes 63 again, the door body 1 can be positioned at different angles, and the state shown in fig. 4 is formed again.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A door body hinge applied to a dish washing machine comprises a door body (1) and a door frame (7) hinged with the door body (1), and is characterized by further comprising a hinge plate (2), a sliding block (3), a spring (4), a shaft (5) and a hinge seat (6);

the hinge plate (2) is fixed with the door body (1), and the sliding block (3) is clamped and fixed in the hinge plate (2); the hinge seat (6) is fixed with the door frame (7), and the shaft (5) is clamped and fixed in the hinge seat (6); spring (4) cover locate axle (5) outside, axle (5) pass slider (3) and slider (3) can rotate around axle (5), the both ends contact slider (3) of spring (4).

2. The door hinge for the dishwasher according to claim 1, wherein: hinge plate (2) include hinge plate plane portion (21), extension (23) be connected with hinge plate plane portion (21), hinge plate plane portion (21) on be equipped with mounting hole (22), hinge plate (2) are fixed with the door body (1) through mounting hole (22), extension (23) on be equipped with hinge plate hole site (24), slider (3) are passed hinge plate hole site (24) and are fixed with hinge plate (2) joint.

3. The door hinge for the dishwasher according to claim 2, wherein: the cross section of the hinge plate plane part (21) is vertical to the cross section of the extension part (23).

4. The door hinge for the dishwasher according to claim 3, wherein: slider (3) include slider main part (31), locate slider outer edge portion (32) of slider main part (31) lateral part, slider main part (31) and slider outer edge portion (32) inside be equipped with slider through-hole (34), slider main part (31) pass hinge plate hole site (24) and its joint fixed, axle (5) pass slider through-hole (34).

5. The door hinge for the dishwasher according to claim 4, wherein: the side wall of the sliding block main body (31) is also provided with a clamping flat position (35).

6. The door hinge for the dishwasher according to claim 4, wherein: hinge seat (6) including hinge seat base (61), hinge seat extension (62) be connected with hinge seat base (61), hinge seat extension (62) on be equipped with axle mounting hole (64), the both ends of axle (5) insert in axle mounting hole (64) and fixed with hinge seat (6) joint.

7. The door hinge for the dishwasher according to claim 6, wherein: the cross section of the hinge seat base (61) is vertical to the cross section of the hinge seat extension part (62); the shaft (5) comprises a shaft main body (51) and shaft clamping position flat positions (52) arranged on the outer walls of the two end parts of the shaft main body (51), the shaft clamping position flat positions (52) are matched with the shape of the shaft mounting hole (64) and are clamped and fixed with each other, and the spring (4) is sleeved on the shaft main body (51).

8. The door hinge for the dishwasher according to claim 7, wherein: the hinge seat extension part (62) is provided with a plurality of hinge seat positioning holes (63), and the outer edge part (32) of the sliding block is provided with a plurality of clamping salient points (33) which can be clamped with the hinge seat positioning holes (63).

9. The door hinge for the dishwasher according to claim 8, wherein: the hinge seat positioning holes (63) are uniformly distributed outside the shaft mounting holes (64), and the clamping salient points (33) are uniformly distributed outside the slider through holes (34).

10. The door hinge for the dishwasher according to any one of claims 1 to 9, wherein: the door body (1) on be equipped with door body installation department (11), door frame (7) on be equipped with door frame installation department (71), hinge plate (2) are fixed with door body installation department (11), hinge seat (6) are fixed with door frame installation department (71).