阅读说明：本技术 一种双开门结构和双开门冰箱 (Double-door structure and double-door refrigerator ) 是由 滕焕杰 隋红军 刘明 李红红 任克民 刘海洋 牟文俊 于 2021-08-19 设计创作，主要内容包括：本发明提供了一种双开门结构和双开门冰箱,涉及冷却设备技术领域。双开门结构包括上盖、导轨、运动齿条、运动轴、固定件、门体和箱体,运动轴与门体相配合并固定在门体上,运动轴齿轮面与运动齿条配合传动,固定件固定在箱体上,箱体与导轨配合并固定连接,导轨与运动齿条相互配合,运动齿条在导轨上运动,上盖压设在箱体上。转动门体带动运动轴转动,运动轴带动运动齿条向远离门体运动轴心侧运动开门。具有该结构的双开门冰箱能够从左右两侧双向分别开门,通过各个部件的相互配合实现了稳定开关；该结构简单,满足了用户多样化的生活需求,使用方便。(The invention provides a double-door structure and a double-door refrigerator, and relates to the technical field of cooling equipment. The double-door structure comprises an upper cover, a guide rail, a moving rack, a moving shaft, a fixing piece, a door body and a box body, wherein the moving shaft is matched with the door body and fixed on the door body, the gear surface of the moving shaft is in matched transmission with the moving rack, the fixing piece is fixed on the box body, the box body is matched with the guide rail and fixedly connected with the guide rail, the guide rail is matched with the moving rack, the moving rack moves on the guide rail, and the upper cover is pressed on the box body. The door body is rotated to drive the moving shaft to rotate, and the moving shaft drives the moving rack to move towards the side far away from the moving axis of the door body to open the door. The double-door refrigerator with the structure can be opened from the left side and the right side in a bidirectional mode respectively, and stable opening and closing are achieved through mutual matching of all parts; this simple structure has satisfied the diversified life demand of user, convenient to use.)

1. A double-door structure is characterized by comprising a guide rail, a moving rack, a moving shaft, a fixing piece, a door body and a box body, wherein the moving shaft is matched with the door body and fixed on the door body, and a gear surface of the moving shaft is matched with the moving rack for transmission; the fixed part is fixed on the box body, and the box body is matched and fixedly connected with the guide rail; the guide rail is matched with the moving rack, and the moving rack moves on the guide rail.

2. A double door structure according to claim 1, wherein an upper cover is arranged above the box body, and the upper cover is pressed and fixed on the box body.

3. The double door structure of claim 1, wherein the moving shaft comprises a shaft portion and a wheel disk portion, the shaft portion is matched with the mounting groove on the fixing member, and the moving shaft is fixedly connected with the door body; the wheel disc part is circular, and the edge of the wheel disc part is provided with wheel teeth.

4. A double door structure according to claim 3, wherein said gear teeth and said rack bar teeth of the moving rack are engaged with each other, and the moving shaft drives the moving rack to move along the guide rail; the moving rack drives the moving shaft on the door body on the other side to move, when the door body on one side is opened, the door body on the other side is matched, and the rotating shaft for fixing the door body rotates.

5. A double door structure according to claim 1, wherein said fixing member is provided with a screw hole, and the screw is engaged with the screw hole to connect the fixing member with the cabinet.

6. The double door structure as claimed in claim 1, wherein the moving shaft is provided at a side where the door body is connected to the box body, and the door body is provided with a groove for placing the moving shaft.

7. A double door refrigerator, characterized in that, the double door structure of any one of claims 1 to 6 is provided, a door body is arranged on a refrigerator body of a refrigerating chamber or a freezing chamber of the refrigerator, and the door body closes an outlet of the refrigerator body; the door body freely rotates towards two sides to be opened.

8. The refrigerator as claimed in claim 7, wherein the moving shaft is engaged with the moving rack and the fixing member to be positioned when the door is closed, the teeth of the moving shaft are engaged with the moving rack, and the moving rack is positioned on the guide rail.

9. The refrigerator as claimed in claim 7, wherein when the door body moves, the door body rotates to drive the moving shaft to rotate, the moving shaft and the moving rack are in transmission engagement, and the moving rack moves along the sliding rail in a direction away from the connecting shaft.

10. A double door refrigerator as claimed in claim 9, wherein the moving rack gear is maintained in engagement with the gear teeth of the moving shaft during the movement.

Technical Field

The invention relates to the technical field of cooling equipment, in particular to a double-door structure and a double-door refrigerator with the same.

Background

The refrigerator is more and more widely applied in daily life of people, and particularly in family life, the refrigerator with a left door and a right door has the advantages of large capacity, multiple functions and beautiful appearance. The sealing performance of the refrigerator is an important factor influencing the quality of the refrigerator, and the sealing performance and the stability of the door body structure greatly influence the sealing performance of the refrigerator. In the existing refrigerator structure, a door body is fixed on a refrigerator body through a rotating shaft, the door body is only fixed and supported through the rotating shaft when being opened and closed, and the influence of the weight of the door body on the rotating shaft is not considered; in addition, the door body is not connected with the box body when being opened and closed, so that the damage to the shaft caused by the fact that the door body is opened and closed violently exists. The rotating shaft can cause the instability of the opening and closing of the door body after being damaged, the sealing between the door body and the box body is not tight, and the like. Along with the improvement of living standard, the user is increasingly high to the individualized demand of equipment such as refrigerator, wherein receive the restriction of refrigerator position, some needs left sides are opened the door, some needs right sides are opened the door, the structure setting of two doors is unfavorable for the molding design to the door, in order to adapt to the square diversified demand of opening the door, guarantee the steady switch of the door body, and the leakproofness between the door body and the box, the life of extension refrigerator, guarantee that the door body is smooth to be opened and shut and its fastness, need to do further improvement to current refrigerator door body structure.

Disclosure of Invention

The invention provides a double-door structure and a double-door refrigerator, aiming at improving the stability of a refrigerator door structure switch and ensuring the smoothness of the door switch, and the specific technical scheme is as follows.

A double-door structure comprises a guide rail, a moving rack, a moving shaft, a fixing piece, a door body and a box body, wherein the moving shaft is matched with the door body and fixed on the door body, and a gear surface of the moving shaft is in matched transmission with the moving rack; the fixed part is fixed on the box body, and the box body is matched and fixedly connected with the guide rail; the guide rail is matched with the moving rack, and the moving rack moves on the guide rail.

Preferably, an upper cover is arranged above the box body, and the upper cover is fixedly pressed on the box body.

Preferably, the moving shaft comprises a shaft part and a wheel disc part, the shaft part is matched with the mounting groove on the fixing part, and the moving shaft is fixedly connected with the door body; the wheel disc part is circular, and the edge of the wheel disc part is provided with wheel teeth.

Preferably, the gear teeth and the bar-shaped teeth on the moving rack are mutually matched, and the moving shaft drives the moving rack to move along the guide rail. The moving rack drives the moving shaft on the door body on the other side to move, when the door body on one side is opened, the door body on the other side enters into cooperation, and the rotating shaft of the fixed door body rotates.

It is also preferred that the fixing member is provided with a screw hole, and the screw is matched with the screw hole to connect the fixing member and the box body.

Still preferably, the motion axle sets up in door body and box connecting axle one side, sets up the recess on the door body and places the motion axle.

A double-door refrigerator is provided with the double-door structure, a door body is arranged on a refrigerator body of a refrigerating chamber or a freezing chamber of the refrigerator, and the door body closes an outlet of the refrigerator body; the door body can be freely rotated to two sides for opening.

Further preferably, when the door body is closed, the moving shaft is matched and positioned with the moving rack and the fixing piece, the gear teeth of the moving shaft are clamped with the moving rack, and the moving rack is positioned on the guide rail.

Further preferably, when the door body moves, the door body drives the moving shaft to rotate after the door body is rotated, the moving shaft and the moving rack are in matched transmission, and the moving rack moves towards the direction far away from the connecting shaft along the sliding rail.

It is further preferred that the moving rack remains engaged with the gear teeth on the moving axle during movement.

The double-door structure and the double-door refrigerator provided by the invention have the beneficial effects that: the door body and the refrigerator body are better matched through the moving shaft arranged on the door body, the flexible arrangement of the refrigerator can be facilitated by opening the door from two sides, the stable rotation of the door body in the door opening process can be ensured by matching the gear of the moving shaft with the moving rack, and the excessive opening and closing of the door body are avoided; in addition, the structure also has the advantages of double-side door opening, convenient installation, stable switch motion and the like.

Drawings

FIG. 1 is a schematic view of a double door refrigerator;

FIG. 2 is a schematic view of a double door refrigerator mounting structure;

FIG. 3 is a partial schematic view of a double door construction;

FIG. 4 is a schematic view of a kinematic axis configuration;

FIG. 5 is a side schematic view of a kinematic axis mechanism;

FIG. 6 is a schematic view of the upper cover structure;

FIG. 7 is a schematic view of a detachment mechanism for the guide rail;

FIG. 8 is a schematic view of a moving rack configuration;

FIG. 9 is a schematic side view of the moving rack;

FIG. 10 is a schematic view of the fastener construction;

in the figure: 1-upper cover, 2-guide rail, 3-moving rack, 4-moving shaft, 5-fixing piece, 6-door body and 7-box body.

21-fixed rail, 22-sliding rail, 31-strip-shaped tooth, 41-shaft part and 42-wheel disc part.

Detailed Description

Referring to fig. 1 to 10, the present invention provides a double door structure and a double door refrigerator as follows.

A double-door structure specifically comprises a guide rail 2, a moving rack 3, a moving shaft 4, a fixing piece 5, a door body 6 and a refrigerator body 7, wherein the guide rail is strip-shaped, the moving shaft 4 and the door body 6 are fixed, the door body 6 is matched with the refrigerator body, and the door body can realize double-side door opening and is convenient for flexible arrangement of the refrigerator; the door body 6 and the box body 7 are better matched through the moving shaft arranged on the door body 6, the gear of the moving shaft 4 is matched with the moving rack 3, so that the door body 6 can be ensured to rotate stably in the door opening process, and the door body is prevented from being opened and closed excessively. The moving shaft 4 is matched with the door body 6 and fixed on the door body, and can be fixedly connected in a welding mode, an adhesion mode and the like. The gear surface of the moving shaft 4 is in transmission with the moving rack in a matching way, and the moving shaft 4 drives the moving rack to do linear motion. The fixing part 5 is fixed on the box body and can adopt connection modes such as welding, bonding, buckling, screws and the like. The box 7 is matched and fixedly connected with the guide rail, the fixed rail 21 of the guide rail 2 is fixedly connected with the box 7, the sliding rail 22 is fixedly connected with the moving rack 3, and the fixed rail 21 and the sliding rail 22 are matched and installed to realize relative sliding. The guide rail 2 is matched with the moving rack 3, and the moving rack 3 moves on the guide rail.

An upper cover 1 is arranged above the refrigerator body 7, the upper cover 1 is pressed and fixed on the refrigerator body 7, and the neatness and attractiveness of the outer surface of the refrigerator body are guaranteed after the upper cover 1 covers the refrigerator body, so that the refrigerator is convenient to integrally shape in appearance. The upper cover just covers the position of the door body where the moving shaft is arranged, so that the attractiveness of the door body structure is ensured; in addition, the door body is of an integrated structure, so that the door body is convenient to shape and design, and the door body meets the diversified requirements of customers.

The moving shaft 4 comprises a shaft part 41 and a wheel disc part 42, the moving shaft 4 is of an integrated structure, the shaft part 41 is matched with the mounting groove in the fixing part 5, and the fixing part 5 is provided with the mounting groove matched with the shaft part. The moving shaft 4 is fixedly connected with the door body, the wheel disc part 42 is circular, the edge of the wheel disc part 42 is provided with wheel teeth, the size of the wheel teeth is designed according to specific requirements, the setting of the wheel teeth can effectively limit the rotating range, and meanwhile, the processing cost is also reduced. The gear teeth are matched with the strip-shaped teeth on the moving rack 3, and the moving shaft 4 drives the moving rack to move along the guide rail.

The fixing piece 5 is provided with a screw hole, the fixing piece and the box body are connected through the cooperation of the screw and the screw hole, the box body 7 and the fixing piece 5 are firmly fixed, certain limiting effect is achieved on the rotation of the moving shaft 4, abrasion can be reduced, and connection effectiveness is guaranteed.

The movement shaft 4 is arranged on one side of a connecting shaft of the door body and the box body, namely on two ends of the door body, the door body and the box body are matched to realize rotation when the door body rotates, and the door body 6 is provided with a groove for placing the movement shaft. The thickness of the door body and the diameter of the moving shaft need to be matched with each other in size; the moving rack drives the moving shaft on the door body on the other side to move, when the door body on one side is opened, the door body on the other side is matched, the rotating shaft of the fixed door body rotates, and one side of the door body is opened; the other side is opened in the same way.

The utility model provides a two refrigerator that open door, has foretell two structures of opening and shutting, has realized the two side switching of the door body, specifically can be the two structures of opening and shutting of refrigerator body part or the two structures of opening and shutting of refrigerator body position. A door body is arranged on a refrigerator body 7 of the refrigerator, the door body 6 is fixed at an outlet of the refrigerator body, and the outlet of the refrigerator body is closed after the door body 6 is closed; the door body can be opened from the left side or the right side. After the double-door structure is arranged, the door body structure with larger area and larger weight can be designed according to needs, so that the sealing performance of the door body is not influenced by the weight and other factors.

When the door body 6 is closed, the moving shaft 4 is matched and positioned with the moving rack 3 and the fixing piece 5 in a door closing state, the gear teeth of the moving shaft 4 are clamped with the moving rack 3, and the moving rack 3 is positioned on the guide rail 2. When the door body moves, after the door body is rotated, the door body drives the moving shaft 4 to rotate, the moving shaft 4 and the moving rack 3 are in matched transmission, the moving shaft 4 drives the rack to linearly move along the sliding rail, the moving rack 3 moves towards the direction far away from the connecting shaft along the sliding rail, and the moving rack 3 keeps being meshed with the gear teeth on the moving shaft 4 in the moving process.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.