CN216110342U

CN216110342U - Hidden type sliding door structure for storage cabinet

Info

Publication number: CN216110342U
Application number: CN202122725684.XU
Authority: CN
Inventors: 郭准强; 唐凯; 潘文彪; 刘煜鑫; 李伟; 许书君
Original assignee: Meizhou Shengfu Metal Products Co ltd
Current assignee: Meizhou Shengfu Metal Products Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-22
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a lower sliding door structure for a hidden type containing cabinet; belongs to the technical field of a linkage structure of a storage cabinet; the cabinet door is provided with a pull rod, a connecting rod is hinged between each accommodating cavity and the cabinet door, a linkage bar is fixedly connected to the connecting rod in the accommodating cavity, the free end of the linkage bar is hinged to an air spring, and the free end of the air spring is hinged to the side wall of the accommodating cavity; a limiting structure is arranged in the accommodating cavity; when the cabinet door is in a closed state, the air spring is in an extended state, so that the cabinet door is tightly attached to the cabinet body; when the cabinet door is in an open state, an included angle alpha formed by a connecting line segment A from the central point of the hinge point of the connecting rod and the accommodating cavity to the central point of the hinge point of the linkage strip and the gas spring and the central axis of the gas spring is 178-plus 210 degrees; the utility model aims to provide a lower pull-down door structure for a hidden type containing cabinet, which has the advantages of compact structure, convenience in use and longer service life; used for the lower sliding door of the storage cabinet.

Description

Hidden type sliding door structure for storage cabinet

Technical Field

The present invention relates to a sliding door structure for a storage cabinet, and more particularly, to a sliding door structure for a hidden storage cabinet.

Background

With the development of economy, people have higher and higher requirements on material life. The kitchen is a place which is necessary for people to use three meals a day. People have higher and higher requirements on the use convenience and the use rate of each object inside the box body. In the kitchen, a cabinet is an indispensable component. The existing cupboard above the cooking bench is conveniently used by people, and is generally higher in installation, so that a larger idle space is formed between the cupboard and the cooking bench. In order to effectively utilize the idle space, the hidden storage cabinet arranged at the bottom of the cabinet is provided, small articles can be stored in the hidden storage cabinet, when the hidden storage cabinet is opened, the cabinet door can also be used as a temporary storage area, the space utilization rate is improved, and the hidden storage cabinet is more convenient to use. The cabinet door opening and closing mechanism of the existing hidden storage cabinet has the following problems: (1) the structure is complex and the cost is high; (2) unreasonable structure and short service life; after a period of opening and closing, the cabinet door can be not tightly closed or the opening and closing are difficult, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lower pull-down door structure for a hidden type storage cabinet, which is compact in structure, convenient to use and long in service life, aiming at the defects of the prior art.

The technical scheme of the utility model is realized as follows: a hidden type lower pull door structure for a storage cabinet comprises a cabinet door matched with the side face of a cabinet body and accommodating cavities respectively arranged on the side walls of the cabinet body corresponding to the left end and the right end of the cabinet door, wherein pull rods are arranged on the cabinet door, connecting rods are hinged between the accommodating cavities and the cabinet door, linkage strips are fixedly connected to the connecting rods in the accommodating cavities, free ends of the linkage strips are hinged to air springs, and the free ends of the air springs are hinged to the side walls of the accommodating cavities; a limit structure is arranged in the containing cavity.

When the cabinet door is in a closed state, the air spring is in an extended state, so that the cabinet door is tightly attached to the cabinet body; when the cabinet door is in an open state, the connecting rod or the linkage strip or the gas spring is in contact with the limiting structure, and meanwhile, an included angle alpha formed by a connecting line segment A from the center point of a hinge point of the connecting rod and the accommodating cavity to the center point of the hinge point of the linkage strip and the gas spring and the central axis of the gas spring is 178-210 degrees.

In the above-mentioned sliding door structure for the hidden storage cabinet, an included angle α formed by a connecting line segment a from a center point of a hinge point of the connecting rod and the accommodating cavity to a center point of a hinge point of the linkage bar and the gas spring and a central axis of the gas spring is 180-195 °.

In the above mentioned sliding door structure for hidden type storage cabinet, the connecting rod is composed of a linkage connecting rod and a driving connecting rod; two ends of the linkage connecting rod and the driving connecting rod are respectively hinged on the corresponding accommodating cavity and the corresponding cabinet door; the linkage strip is arranged on the driving connecting rod.

In the above-mentioned sliding door structure for hidden containing cabinet, the linkage strip is integrally formed at the end of the driving connecting rod and forms an included angle of 80-120 degrees with the driving connecting rod.

In the above sliding door structure for the hidden type storage cabinet, the linkage strip is composed of a abdicating section which is vertically or obliquely connected with the driving connecting rod and a connecting section which is integrally formed at the free end of the abdicating section and is hinged with the gas spring; the position section and the connecting section are matched to form an L shape or a V shape.

In the above-mentioned sliding door structure for the hidden type storage cabinet, the limiting structure is a limiting post arranged in the accommodating cavity at the lower side of the hinged part of the air spring and the linkage strip, and a buffer rubber sleeve is sleeved outside the limiting post; when the cabinet door is opened, the air spring contracts, and when the articulated part of air spring and linkage strip contacts the spacing post, the cabinet door is in the complete open state and the hinge point of drive connecting rod and holding chamber and the hinge point central point at air spring both ends are located same straight line.

In the above-mentioned hidden sliding door structure for containing cabinet, the cabinet door rotates along length direction and is connected with the synchronizing bar in, the synchronizing bar both ends respectively with the linkage connecting rod fixed connection of cabinet door both sides.

In the above-mentioned sliding door structure for the hidden type storage cabinet, the door is composed of an object placing plate and L-shaped end plates fixedly connected to two ends of the object placing plate along the length direction; the synchronous rod is respectively connected with the object placing plate and the end plate in a rotating way; two ends of the synchronous rod respectively extend to the outer side of the end plate and are fixedly connected with the linkage connecting rod; the driving connecting rod is hinged with the end plate; a decorative cover cap is arranged on the outer side of the end plate; the pull rod is fixedly connected between the free ends of the end plates.

After the structure is adopted, the air spring is arranged in the accommodating cavity, and the linkage strip matched with the air spring is arranged on the connecting rod, so that the connecting rod and the accommodating cavity are ingeniously matched, and when the cabinet door is in a completely opened state, the hinge point of the connecting rod and the accommodating cavity and the center points of the hinge points at two ends of the air spring are basically positioned on the same direct line. Therefore, when the cabinet door is closed, the cabinet door can be automatically reset only by a small force which overcomes the thrust of the gas spring, and the cabinet door has the advantages of simple structure, convenience in use and long service life.

Drawings

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.

FIG. 1 is a schematic view of the cabinet door of the present invention in a fully open configuration;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of the cabinet door of the present invention in a closed state;

FIG. 4 is a schematic view of an exploded structure of the present invention;

FIG. 5 is a schematic cross-sectional structural view of the present invention;

fig. 6 is a schematic view of the structure of the driving link and the linkage bar of the present invention.

In the figure: 1. a cabinet door; 1a, a storage plate; 1b, end plates; 1c, decorating a cover cap; 2. an accommodating cavity; 3. a pull rod; 4. a connecting rod; 4a, a linkage connecting rod; 4b, a driving connecting rod; 5. a linkage bar; 5a, a leading bit section; 5b, a connecting section; 6. a gas spring; 7. a limiting column; 8. a synchronization lever; 9. a cabinet body.

Detailed Description

Referring to fig. 1 to 6, the lower pull door structure for the hidden storage cabinet of the utility model comprises a cabinet door 1 matched with the side surface of a cabinet body 9 and accommodating cavities 2 respectively arranged on the side walls of the cabinet body corresponding to the left and right ends of the cabinet door 1, a pull rod 3 is arranged on the cabinet door 1, and a connecting rod 4 is hinged between each accommodating cavity 2 and the cabinet door 1, and is characterized in that a linkage strip 5 is fixedly connected to the connecting rod 4 positioned in the accommodating cavity 2, the free end of the linkage strip 5 is hinged with a gas spring 6, and the free end of the gas spring 6 is hinged with the side wall of the accommodating cavity 2; a limiting structure is arranged in the accommodating cavity 2. 6

When the cabinet door 1 is in the closed state, the gas spring 6 is in the state of stretching out to make the cabinet door 1 cling to the cabinet body, and in this state, the gas spring is preferably in the state of incomplete extension, so that stable thrust can be provided for the cabinet door to make the cabinet door cling to the cabinet body. When the cabinet door 1 is in an open state, the connecting rod 4 or the linkage strip 5 or the gas spring 6 is in contact with the limiting structure, meanwhile, an included angle alpha formed by a connecting line segment A from the center point of a hinge point of the connecting rod 4 and the accommodating cavity 2 to the center point of the hinge point of the linkage strip 5 and the gas spring 6 and the central axis of the gas spring 6 is 178-210 degrees, preferably, and an included angle alpha formed by a connecting line segment A from the center point of the hinge point of the connecting rod 4 and the accommodating cavity 2 to the center point of the hinge point of the linkage strip 5 and the gas spring 6 and the central axis of the gas spring 6 is 180-195 degrees.

It should be noted that, when the center of the hinge hole at the end of the piston rod of the gas spring is located on the central axis of the gas spring, the connecting line segment a from the center point of the hinge point of the connecting rod 4 and the accommodating cavity 2 to the center point of the hinge point of the linkage strip 5 and the gas spring 6 and the central axis of the gas spring 6 are preferably located on the same straight line, that is, the included angle formed by the connecting line segment a and the central axis is 180 °. When the center of the hinge hole at the end of the piston rod of the gas spring is not on the central axis of the gas spring, a connecting line segment A from the center point of the hinge point of the connecting rod 4 and the accommodating cavity 2 to the center point of the hinge point of the linkage strip 5 and the gas spring 6 is preferably parallel to the central axis of the gas spring 6, i.e. the included angle formed by the connecting line segment A and the central axis is 180 degrees.

Of course, the included angle may have a suitable deviation according to the difference of the specific installation structure, as long as it can ensure the stable parking when opening to the preset position, and it is not necessary to have too much force when folding.

In addition, the installation manner of the gas spring can be changed correspondingly according to different types of the gas spring, and the gas spring belongs to equivalent solutions which can be easily conceived by those skilled in the art and belongs to the protection scope of the utility model as long as the technical requirements are not departed.

Preferably, the limiting structure is a limiting column 7 arranged in the accommodating cavity 2 at the lower side of the hinged part of the gas spring 6 and the linkage strip 5, and a buffer rubber sleeve is sleeved outside the limiting column 7; when the cabinet door 1 is opened, the gas spring 6 contracts, and when the gas spring 6 and the hinging part of the linkage strip 5 contact the limiting column 7, the cabinet door 1 is in a completely opened state and the hinge points of the driving connecting rod 4b and the accommodating cavity 2 and the hinge point center points at the two ends of the gas spring 6 are positioned on the same straight line.

In the present embodiment, the link 4 is composed of a link 4a and a drive link 4 b; two ends of the linkage connecting rod 4a and the driving connecting rod 4b are respectively hinged on the corresponding accommodating cavity 2 and the corresponding cabinet door 1; the linkage bar 5 is provided on the drive link 4 b.

Further preferably, the linkage bar 5 is integrally formed at the end of the driving connecting rod 4b and forms an included angle of 80-120 ° with the driving connecting rod 4 b. The included angle can be changed according to specific conditions, such as the size of the space in the accommodating cavity and the like, and the installation position of the gas spring is changed along with the included angle. When the cabinet door is opened, the three hinge points are basically positioned on the same straight line.

Referring to fig. 6, in the present embodiment, the linkage bar 5 is composed of a abdicating section 5a vertically or obliquely connected to the driving link 4b and a connecting section 5b integrally formed at a free end of the abdicating section 5a and hinged to the gas spring 6; the position section 5a and the connecting section 5b are matched to form an L shape or a V shape. The purpose of the position-giving section is to form gaps with different widths between the driving connecting rod and the connecting section and the inner wall of the accommodating cavity, so that the driving connecting rod cannot touch the limiting column and the connecting section can touch the limiting column when rotating.

Further preferably, in order to ensure that the cabinet door has good stability and synchronism when opened and closed and avoid uneven displacement on two sides, a synchronizing rod 8 is rotatably connected in the cabinet door 1 along the length direction, and two ends of the synchronizing rod 8 are respectively fixedly connected with the linkage connecting rods 4a on two sides of the cabinet door.

As shown in fig. 4 and 5, it is further preferable that the cabinet door 1 is composed of an object placing plate 1a and L-shaped end plates 1b fixedly connected to two ends of the object placing plate 1a along the length direction; the synchronous rod 8 is respectively connected with the object placing plate 1a and the end plate 1b in a rotating way; two ends of the synchronous rod 8 respectively extend to the outer side of the end plate 1b and are fixedly connected with the linkage connecting rod 4 a; the driving connecting rod 4b is hinged with the end plate 1 b; a decorative cover cap 1c is arranged on the outer side of the end plate 1 b; the pull rod 3 is fixedly connected between the free ends of the end plates 1 b.

When in use, the cabinet body 9 is arranged at a proper position at the bottom of the kitchen cabinet. Under normal conditions, the cabinet door is in a closed state. When inside article need be taken or the cabinet door needs to be used as the temporary storage table, the cabinet door is pulled down through the handle, so that the cabinet door rotates to the horizontal state, and the hinge point of the driving connecting rod 4b and the accommodating cavity 2 and the hinge point center points of the two ends of the air spring 6 are located on the same straight line.

The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A hidden type lower pull door structure for a storage cabinet comprises a cabinet door (1) matched with the side face of a cabinet body and accommodating cavities (2) respectively arranged on the side walls of the cabinet body corresponding to the left end and the right end of the cabinet door (1), pull rods (3) are arranged on the cabinet door (1), and connecting rods (4) are hinged between the accommodating cavities (2) and the cabinet door (1), and the hidden type lower pull door structure is characterized in that linkage strips (5) are fixedly connected to the connecting rods (4) in the accommodating cavities (2), free ends of the linkage strips (5) are hinged to air springs (6), and the free ends of the air springs (6) are hinged to the side walls of the accommodating cavities (2); a limiting structure is arranged in the accommodating cavity (2);

when the cabinet door (1) is in a closed state, the air spring (6) is in an extended state, so that the cabinet door (1) is tightly attached to the cabinet body; when the cabinet door (1) is in an opening state, the connecting rod (4), the linkage strip (5) or the gas spring (6) is in contact with the limiting structure, and meanwhile, an included angle alpha formed by a connecting line segment A from the central point of a hinge point of the connecting rod (4) and the accommodating cavity (2) to the central point of the hinge point of the linkage strip (5) and the gas spring (6) and the central axis of the gas spring (6) is 178 + 210 degrees.

2. The sliding door structure of claim 1, wherein an angle α formed by a connecting line segment A from a center point of a hinge point of the connecting rod (4) and the accommodating cavity (2) to a center point of a hinge point of the linkage bar (5) and the gas spring (6) and a central axis of the gas spring (6) is 180-195 °.

3. The drop-down door structure of a hidden type storage cabinet according to claim 1, wherein the link (4) is composed of a linkage link (4a) and a driving link (4 b); two ends of the linkage connecting rod (4a) and the driving connecting rod (4b) are respectively hinged on the corresponding accommodating cavity (2) and the corresponding cabinet door (1); the linkage strip (5) is arranged on the driving connecting rod (4 b).

4. A sliding door structure of a hidden type storage cabinet as claimed in claim 3, wherein the linkage bar (5) is integrally formed at the end of the driving link (4b) and forms an included angle of 80-120 ° with the driving link (4).

5. A sliding door structure of a hidden type storage cabinet as claimed in claim 3 or 4, wherein the linkage bar (5) is composed of a position-giving section (5a) vertically or obliquely connected to the driving link (4b) and a connecting section (5b) integrally formed at a free end of the position-giving section (5a) and hinged to the gas spring (6); the position-giving section (5a) and the connecting section (5b) are matched to form an L shape or a V shape.

6. The sliding door structure of a hidden type storage cabinet according to claim 5, wherein the limiting structure is a limiting column (7) disposed in the accommodating cavity (2) at the lower side of the hinged portion of the air spring (6) and the linkage bar (5), and a buffer rubber sleeve is sleeved outside the limiting column (7); when cabinet door (1) is opened, air spring (6) shrink, when the articulated portion contact spacing post (7) of air spring (6) and linkage strip (5), cabinet door (1) is in the complete open mode and drive connecting rod (4b) and the pin joint of holding chamber (2) and the pin joint central point at air spring (6) both ends is located same straight line.

7. The sliding door structure of claim 3, wherein the cabinet door (1) is rotatably connected with a synchronous rod (8) along the length direction, and two ends of the synchronous rod (8) are respectively fixedly connected with the linkage connecting rods (4a) at two sides of the cabinet door.

8. The sliding door structure of claim 7, wherein the cabinet door (1) comprises a shelf (1a) and L-shaped end plates (1b) fixedly connected to two ends of the shelf (1a) along the length direction; the synchronous rod (8) is respectively connected with the object placing plate (1a) and the end plate (1b) in a rotating way; two ends of the synchronous rod (8) respectively extend to the outer side of the end plate (1b) and are fixedly connected with the linkage connecting rod (4 a); the driving connecting rod (4b) is hinged with the end plate (1 b); a decorative cover cap (1c) is arranged on the outer side of the end plate (1 b); the pull rod (3) is fixedly connected between the free ends of the end plates (1 b).