CN216553483U - Refrigerator door closer and refrigerator - Google Patents
Refrigerator door closer and refrigerator Download PDFInfo
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- CN216553483U CN216553483U CN202122501470.4U CN202122501470U CN216553483U CN 216553483 U CN216553483 U CN 216553483U CN 202122501470 U CN202122501470 U CN 202122501470U CN 216553483 U CN216553483 U CN 216553483U
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- bevel gear
- refrigerator
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- gear
- hinge
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Abstract
A refrigerator door closer comprises a hinge device and a worm locking device, wherein the hinge device comprises a hinge seat, a first bevel gear, a shaft sleeve and a telescopic block device, the shaft sleeve and the telescopic block device are mounted on the hinge seat, the first bevel gear is connected with the hinge seat, the worm locking device comprises a second bevel gear, a worm, a gear and a guide device, the worm locking device is connected with the hinge device, and the second bevel gear is in meshed connection with the first bevel gear. The first bevel gear on the fixed hinge shaft keeps the first bevel gear not to rotate, after external force applied by a human body is received, the second bevel gear rotates, and the gear on the shaft drives the worm to move up and down, so that the door body is locked and unlocked. Adopt this novel door closer can solve traditional plastics door closer and can't be closed problem for a long time, prolong the life of refrigerator effectively.
Description
Technical Field
The utility model relates to the technical field of refrigerator manufacturing, in particular to a refrigerator door closer and a refrigerator.
Background
The first compression-type refrigerator for domestic use was introduced in the united states in the world in 1910. In 1925 sweden rody corporation developed a domestic absorption refrigerator. In 1927, the U.S. general electric company developed a fully enclosed refrigerator. In 1930, air-cooled continuous diffusion absorption refrigerators adopting different heating modes were put on the market. Domestic thermoelectric refrigerators began to be produced in the latter half of the 50 s, and refrigerators were produced in china from the 50 s. Through continuous development and transformation, the refrigerator is more convenient and practical. A refrigerator is a refrigerating apparatus for maintaining a constant low temperature, and is also a consumer product for maintaining food or other articles in a constant low temperature state. The cabinet or the box is provided with a compressor, an ice maker for freezing and a storage box with a refrigerating device. Refrigerators are now essential to every household.
With the progress of the scientific and technical field and the rapid development of the refrigerator industry, people have to meet the requirements of the refrigerator on multiple aspects such as practicability, attractiveness, functionality and the like. In addition to compressors, ice makers for freezing cabinets or bins and storage bins with refrigeration devices, refrigerators have an essential component, the refrigerator door closer. The refrigerator door closer is one of standard configurations of the existing refrigerator, the closing of a freezing door body is realized by the interference fit of the tail end of an approximate J shape and the tail wing of a hinge approximate mountain shape, the material is generally metal or plastic, and the situation that a box body door cannot be bounced open in the closing process is guaranteed. However, the existing refrigerator door closer has the problems that plastic and metal tail wings are easy to wear in the frequent opening and closing process of a refrigerator, the refrigerator door closer is easy to lose effect for a long time, and a door body cannot be closed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages of the prior art, the present invention is directed to a refrigerator door closer and a refrigerator, which solve the above problems of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the refrigerator door closer comprises a hinge device and a worm locking device, wherein the hinge device comprises a hinge seat, a first bevel gear, a shaft sleeve and a telescopic block device, the shaft sleeve and the telescopic block device are arranged on the hinge seat, the first bevel gear is connected with the hinge seat, the worm locking device comprises a second bevel gear, a worm, a gear and a guide device, the worm locking device is connected with the hinge device, and the second bevel gear is in meshed connection with the first bevel gear.
As a further improvement of the utility model: the hinge base is provided with a hinge shaft, a limiting block is arranged on the hinge shaft, and the shaft sleeve is sleeved on the hinge shaft.
As a further improvement of the utility model: and a nut is arranged at the top of the hinge shaft and used for fixing a first bevel gear and a shaft sleeve on the hinge shaft.
As a further improvement of the utility model: an end cover is further arranged on the hinge shaft, two round holes are formed in the end cover, one of the round holes penetrates through the shaft sleeve, and the other round hole penetrates through the worm.
As a further improvement of the utility model: the first bevel gear is fixedly arranged on the hinge shaft, a hollow structure matched with the limiting block is arranged at the bottom of the first bevel gear, and gear teeth are arranged at the top of the first bevel gear.
As a further improvement of the utility model: the shaft sleeve is made of plastic and is of a cylindrical structure, and the shaft sleeve is used for fixing and supporting the first bevel gear.
As a further improvement of the utility model: the second bevel gear is connected with a gear rod, the gear rod is in coupling connection with a gear, gear teeth are arranged on one side of the second bevel gear, and the gear teeth of the second bevel gear are meshed with the gear teeth of the first bevel gear.
As a further improvement of the utility model: the rod body of worm is thick structure that both ends are thin in the middle of the body of rod of worm, the body of rod middle part of worm is equipped with the screw thread, the screw thread and the gear engagement of worm are connected, the worm top is equipped with the direction screw thread.
As a further improvement of the utility model: the guide device is arranged in the refrigerator box body, one end of the guide device is connected with the refrigerator box body, the other end of the guide device is connected with the worm, and the guide device is provided with an internal thread structure.
As a further improvement of the utility model: the refrigerator box body bottom is equipped with supports guider, support guider one end and refrigerator box body connection, the support guider other end is connected with worm locking device, support guider is used for supporting the worm.
As a further improvement of the utility model: and a spring is arranged at the bottom of the rod body of the worm and used for fixing the guide device.
As a further improvement of the utility model: the worm locking device is placed in the refrigerator box body, and is prevented from being influenced by the foaming process of the refrigerator door body.
The refrigerator comprises the refrigerator door closer, the refrigerator door closer is connected with a refrigerator door body, and the refrigerator door closer is used for locking and unlocking the refrigerator door body.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the worm as the locking device, realizes the matching with the hinge device and achieves the aim of locking the door body. The first bevel gear is kept to rotate through the first bevel gear on the fixed hinge shaft, the second bevel gear rotates after external force applied by a human body, the second bevel gear and the gear shaft drive the gear to rotate, the gear drives the worm to vertically move through the thread tightly combined with the worm rod body, when the worm moves upwards, the supporting and guiding device crosses a critical point of the telescopic block device, and the refrigerator door body is opened; when the worm moves downwards, the supporting guide device moves downwards to be in contact with the telescopic block device, the locking device extrudes the telescopic block to enter a designated area, and the refrigerator door body is locked, so that the door body is locked and unlocked. And traditional plastics door closer structure is at frequent switch in-process, and the fin of plastics and metal is inefficacy easily, uses for a long time, and the door closer will lose effect, and the unable closed phenomenon appears in the door body, adopts this novel door closer can solve traditional plastics door closer and can't be closed problem for a long time, prolongs the life of refrigerator effectively.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the hinge assembly of the present invention;
FIG. 3 is an exploded view of the worm locking mechanism of the present invention;
FIG. 4 is a schematic view of the hinge base structure of the present invention;
FIG. 5 is a schematic view of a first bevel gear of the present invention;
FIG. 6 is a schematic view of the bushing structure of the present invention;
FIG. 7 is a schematic view of the end cap construction of the present invention;
fig. 8 is a schematic structural view of the support guide of the present invention.
Detailed Description
The utility model will now be further described with reference to the accompanying description and examples: as shown in fig. 1 to 8: a refrigerator door closer comprises a hinge device 1 and a worm locking device 2, wherein the hinge device 1 comprises a hinge seat 11, a first bevel gear 12, a shaft sleeve 13 and a telescopic block device 18, the shaft sleeve 13 and the telescopic block device 18 are mounted on the hinge seat 11, the first bevel gear 12 is connected with the hinge seat 11, the worm locking device 2 comprises a second bevel gear 21, a worm 22, a gear 23 and a guide device 24, the worm locking device 2 is connected with the hinge device 1, and the second bevel gear 21 is in meshed connection with the first bevel gear 12.
The hinge base 11 is provided with a hinge shaft 14, the hinge shaft 14 is provided with a limiting block 15, and the shaft sleeve 13 is sleeved on the hinge shaft 14.
The top of the hinge shaft 14 is provided with a nut 16, and the nut 16 is used for fixing the first bevel gear 12 and the shaft sleeve 13 on the hinge shaft 14.
An end cover 17 is further arranged on the hinge shaft 14, and the end cover 17 is provided with two round holes, wherein one round hole penetrates through the shaft sleeve 13, and the other round hole penetrates through the worm 22.
The first bevel gear 12 is fixedly arranged on the hinge shaft 14, a hollow structure matched with the limiting block 15 is arranged at the bottom of the first bevel gear 12, and gear teeth are arranged at the top of the first bevel gear 12.
The shaft sleeve 13 is made of plastic, the shaft sleeve 13 is of a cylindrical structure, and the shaft sleeve 13 is used for fixing and supporting the first bevel gear 12.
The first bevel gear 12 has a certain diameter, one of the round holes of the end cover 17 penetrates through the first bevel gear 12 and the shaft sleeve 13, the shaft sleeve 13 is provided with a limiting ring, the limiting ring is used for positioning the end cover 17, the shaft sleeve 13 is tightly connected with the end cover 17, and the shaft sleeve 13 fixes and supports the first bevel gear 12 to enable the hinge seat to be matched with the door body.
The second bevel gear 21 is connected with a gear rod 25, the gear rod 25 is coupled with the gear 23, gear teeth are arranged on one side of the second bevel gear 21, and the gear teeth of the second bevel gear 21 are meshed with the gear teeth of the first bevel gear 12.
The rod body of worm 22 is thick structure of both ends thin in the middle of for, the rod body middle part of worm 22 is equipped with the screw thread, the screw thread and the gear 23 meshing of worm 22 are connected, worm 22 top is equipped with direction screw thread 26.
The guide device 24 is arranged in the refrigerator box body, one end of the guide device 24 is connected with the refrigerator box body, the other end of the guide device 24 is connected with the worm 22, and the guide device 24 is provided with an internal thread structure.
The bottom of the refrigerator box body is provided with a supporting guide device 27, one end of the supporting guide device 27 is connected with the refrigerator box body, the other end of the supporting guide device 27 is connected with the worm locking device 2, and the supporting guide device 27 is used for supporting the worm 22.
The bottom of the rod body of the worm 22 is provided with a spring 28, and the spring 28 is used for fixing the guide device 24.
The worm locking device 2 is placed in the refrigerator box body, and is prevented from being influenced by the foaming process of the refrigerator door body.
The limiting block 15 is used for fixing the mounting height of the first bevel gear, and is convenient to match with a nut to fix the mounting position of the first bevel gear.
The surfaces of the first bevel gear 12, the second bevel gear 21 and the gear 23 are subjected to an oiling process, and the oiling process is performed by using lubricating oil.
The refrigerator comprises the refrigerator door closer, the refrigerator door closer is connected with a refrigerator door body, and the refrigerator door closer is used for locking and opening the refrigerator door body.
The working principle of the utility model is as follows: by fixing the first bevel gear 12 and the end of the hinge shaft 14 together, and the first bevel gear 12 is in a vertical state, the purpose is to ensure that the first bevel gear 12 and the second bevel gear 21 have interaction, while the first bevel gear 12 is fixed and does not rotate, and relatively drives the second bevel gear 21 to rotate. Before assembling the two bevel gears, a bushing 13 is assembled on the hinge shaft 14 to ensure that the end cover 17 of the door body is in a stable state in the assembling process. The second bevel gear 21 is connected with a gear 23 on a gear rod 25, the gear 23 is matched with the worm 22 to drive the worm 22 to move up and down in the vertical direction, the hinge base 11 is provided with a telescopic block device 18 matched with the worm locking device 2, and the opening and locking work of the door body is realized through the up-and-down movement of the worm 22 and the rotation of the hinge shaft 14.
The main functions of the utility model are as follows: the utility model adopts the worm as the locking device to realize the matching with the hinge so as to achieve the aim of locking the door body. The first bevel gear is kept to rotate by fixing the first bevel gear on the hinge shaft, after an external force applied by a human body, the hinge shaft and the first bevel gear are displaced to drive the second bevel gear to rotate, the second bevel gear and the gear shaft drive the gear to rotate, the gear drives the worm to vertically move through the thread tightly combined with the worm rod body, when the worm moves upwards, the supporting and guiding device crosses a critical point of the expansion block device, and the refrigerator door body is opened; when the worm moves downwards, the supporting guide device moves downwards to be in contact with the telescopic block device, the locking device extrudes the telescopic block to enter a designated area, and the refrigerator door body is locked, so that the door body is locked and unlocked. And traditional plastics door closer structure is at frequent switch in-process, and the fin of plastics and metal is inefficacy easily, uses for a long time, and the door closer will lose effect, and the unable closed phenomenon appears in the door body, adopts this novel door closer can solve traditional plastics door closer and can't be closed problem for a long time, prolongs the life of refrigerator effectively.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (9)
1. A refrigerator door closer is characterized in that: the hinge device comprises a hinge seat, a first bevel gear, a shaft sleeve and a telescopic block device, wherein the shaft sleeve and the telescopic block device are arranged on the hinge seat, the first bevel gear is connected with the hinge seat, the worm locking device comprises a second bevel gear, a worm, a gear and a guide device, the worm locking device is connected with the hinge device, and the second bevel gear is in meshed connection with the first bevel gear.
2. The door closer for a refrigerator according to claim 1, wherein: the hinge base is provided with a hinge shaft, a limiting block is arranged on the hinge shaft, and the shaft sleeve is sleeved on the hinge shaft.
3. A refrigerator door closer according to claim 2, wherein: an end cover is further arranged on the hinge shaft, and the end cover is provided with two round holes.
4. A refrigerator door closer according to claim 3, wherein: the first bevel gear is fixedly arranged on the hinge shaft, a hollow structure matched with the limiting block is arranged at the bottom of the first bevel gear, and gear teeth are arranged at the top of the first bevel gear.
5. The door closer for a refrigerator according to claim 4, wherein: the worm locking device further comprises a gear rod, the second bevel gear is connected with the gear rod, the gear rod is in coupling connection with the gear, gear teeth are arranged on one side of the second bevel gear, and the gear teeth of the second bevel gear are meshed with the gear teeth of the first bevel gear.
6. The door closer for a refrigerator according to claim 1, wherein: the middle part of the rod body of the worm is provided with threads, the threads of the worm are meshed with the gear, and the top of the worm is provided with guide threads.
7. The door closer for a refrigerator according to claim 6, wherein: the guide device is arranged in the refrigerator box body, one end of the guide device is connected with the refrigerator box body, the other end of the guide device is connected with the worm, and the guide device is provided with an internal thread structure.
8. The door closer for a refrigerator according to claim 1, wherein: and a spring is arranged at the bottom of the rod body of the worm and used for fixing the guide device.
9. A refrigerator, characterized in that: the refrigerator door closer comprises the refrigerator door closer according to any one of claims 1 to 8, and is used for locking and unlocking a refrigerator door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501470.4U CN216553483U (en) | 2021-10-18 | 2021-10-18 | Refrigerator door closer and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501470.4U CN216553483U (en) | 2021-10-18 | 2021-10-18 | Refrigerator door closer and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216553483U true CN216553483U (en) | 2022-05-17 |
Family
ID=81566995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122501470.4U Active CN216553483U (en) | 2021-10-18 | 2021-10-18 | Refrigerator door closer and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216553483U (en) |
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2021
- 2021-10-18 CN CN202122501470.4U patent/CN216553483U/en active Active
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