Hinge with buffering function

Abstract

The utility model discloses a hinge with buffer function relates to hinge technical field, the utility model discloses a hinge and connecting hinge, the hinge surface is inwards provided with connecting hinge, the connecting hinge center position is equipped with the slide cavity, the slide cavity inside is installed the slide rod and is penetrated, the slide rod surface is sleeved with the slide sleeve, be provided with the push rod between the slide sleeve, the slide rod both ends are provided with buffer device, the utility model discloses the flow of internal damping liquid in the buffer cavity when the slide sleeve contact pressure block of both ends buffer device is absorbed kinetic energy, makes the hinge turn over to the deceleration when the terminal, and the protection effect of moving is played to the hinge and cabinet.

Description

Technical Field

[0001] This utility model belongs to the field of hinge technology, specifically, it relates to a hinge with a buffer function. Background Technology

[0002] A hinge is a mechanical device used to connect two solid objects and allow relative rotation between them. Hinges can consist of movable components or be made of foldable materials. Hinges are commonly installed on cabinets and are mainly classified into stainless steel hinges and iron hinges based on their material.

[0003] Chinese patent CN222823058U discloses a low-pressure cabinet door hinge with a buffer function. This low-pressure cabinet door hinge with a buffer function includes a first hinge and a second hinge. The first hinge is fixed to the cabinet body, and the second hinge is fixed to the cabinet door. The first hinge is hinged to the second hinge. The first hinge is equipped with a buffer device to buffer the impact force generated by the rotation of the second hinge. The buffer device includes a first spring and a movable block. The movable block has first through holes on both sides and is disposed on a first guide post. The first spring is disposed on the outer wall of the first guide post. In the above-mentioned prior art, during the entire process of opening and closing the hinge, multiple sets of springs are compressed or released, which requires additional work to complete the opening and closing action. The opening and closing process has a strong sense of obstruction and the overall experience is poor.

[0004] In view of this, this utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a hinge with a buffer function, thereby solving the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] A hinge with a buffer function includes: a hinge and a connecting hinge, characterized in that the connecting hinge is provided with the hinge surface facing inward, a sliding cavity is provided at the center of the connecting hinge, a sliding rod is installed through the sliding cavity, a sliding sleeve is sleeved on the surface of the sliding rod, a push rod is provided between the sliding sleeves, and a buffer device is provided at both ends of the sliding rod.

[0008] Optionally, the buffer device has a first buffer cavity inside, and second buffer cavities are provided on both sides of the first buffer cavity. A connecting hole is provided between the first buffer cavity and the second buffer cavity. A buffer block is provided in the first buffer cavity facing the sliding sleeve, and a buffer block is provided in the second buffer cavity facing the sliding sleeve. A spring is provided on the back of the buffer block.

[0009] Optionally, guide grooves are provided on both sides of the first buffer cavity near the pressure block, and guide blocks are provided on the pressure block facing the buffer device.

[0010] Optionally, the opening angle of the hinge is between 90° and 180°.

[0011] Optionally, the connecting hole is chamfered in the direction of the second buffer cavity.

[0012] Optionally, a connecting rod is provided between the connecting hinges.

[0013] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0014] 1. The hinge with buffer function is supported by connecting the hinge and the push rod. When the hinge flips, the push rod moves on the slide rod. When the slide sleeve contacts the pressure block, the buffer device at both ends absorbs the kinetic energy through the flow of internal damping fluid in the buffer cavity, so that the hinge decelerates when it flips to the end, thus protecting the hinge and the cabinet from movement.

[0015] 2. The hinge with buffer function slows down the movement speed of the sliding sleeve at both ends through the buffer device. It only slows down at the end of the hinge opening process to protect it. No extra work is required during the opening process, and there is no sense of obstruction. The hinge opens more smoothly.

[0016] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0018] In the picture:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a cross-sectional view of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the buffer device of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1. Hinge; 2. Connecting hinge; 201. Slide cavity; 202. Slide rod; 3. Push rod; 301. Slide sleeve; 4. Buffer device; 401. First buffer cavity; 402. Second buffer cavity; 403. Connecting hole; 404. Pressure block; 405. Buffer block; 406. Spring; 407. Guide groove; 408. Guide block; 5. Connecting rod.

[0024] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings.

[0026] Please see Figure 1-3 As shown, this embodiment provides a hinge with a buffer function, including: a hinge 1 and a connecting hinge 2.

[0027] like Figure 1-3 As shown, in this embodiment, a connecting hinge 2 is provided with the hinge 1 facing inward. A sliding cavity 201 is provided at the center of the connecting hinge 2. A sliding rod 202 is installed through the sliding cavity 201. A sliding sleeve 301 is sleeved on the surface of the sliding rod 202. A push rod 3 is provided between the sliding sleeves 301. Buffer devices 4 are provided at both ends of the sliding rod 202. The two hinges 1 are connected and rotated by an intermediate shaft. The two hinges 2 are installed by embedding into the hinge surface at the connection points with the corresponding hinges 1. Similarly, they rotate on the hinges 1 through the shaft. At the same time, the two hinges are connected by the shaft. The hinges 2 are used to assist the rotation of the hinges 1. The included angle between the hinges 2 is the same as the included angle between the hinges 1. The two ends of the hinges 1 are installed on the corresponding cabinet body and cabinet door. The hinges 2 open and close with the hinges 1. The sliding sleeve 301 is sleeved on the sliding rod 202 at the center of the hinge 2. Both hinges 202 have a sliding sleeve 301, which is connected to the push rod 3. The sliding sleeve 301 and the push rod 3 are connected by a pivot, which allows the angle between the push rod 3 and the sliding rod 202 to be adjusted. When hinge 1 is closed, the included angle between hinges 2 becomes smaller, and the two sliding rods 202 are pressed closer to the middle. With the push rod 3 at a fixed length, the sliding sleeve 301 slides down until it contacts the buffer device 4 at the bottom of the sliding rod 202. Conversely, when hinge 1 is open, the included angle between hinges 2 becomes smaller, and the two sliding rods 202 separate, pulling the sliding sleeve 301 upward and moving it up along the sliding rod 202 to contact the buffer device 4 at the top of the sliding rod 202. The buffer device 4 reduces the moving speed of the sliding sleeve 301 at the end, thereby increasing the sense of obstruction in the final stroke of the cabinet door opening and closing to reduce the speed and form a buffer effect for protection.

[0028] like Figure 1-3As shown, the buffer device 4 in this embodiment has a first buffer cavity 401 inside, and second buffer cavities 402 are arranged on both sides of the first buffer cavity 401. A connecting hole 403 is provided between the first buffer cavity 401 and the second buffer cavity 402. A buffer block 405 is arranged in the first buffer cavity 401 facing the sliding sleeve 301, and a buffer block 405 is arranged in the second buffer cavity 402 facing the sliding sleeve 301. A spring 406 is provided on the back of the buffer block 405. When the sliding sleeve 301 contacts the buffer device 4 at both ends, the sliding sleeve 301 collides with the pressing block 404 and presses it into the first buffer cavity 401. The first buffer cavity 401 and the second buffer cavity 402 are filled with damping fluid. The damping fluid in the first buffer cavity 401 enters the second buffer cavity through the connecting hole 403. In 402, the damping fluid squeezes the buffer block 405 in the second buffer chamber 402, compressing the spring 406 on the back of the buffer block 405, thereby expanding the space in the second buffer chamber 402. Due to the slow flow rate of the damping fluid itself, it takes a long time to pass through the connecting hole 403, thus prolonging the time for the pressure block 404 to enter the first buffer chamber 401, thereby reducing the speed of the sliding sleeve 301 that squeezes the pressure block 404, and playing a certain buffering effect at the end. When the sliding sleeve 301 is removed, the spring 406 restores its elasticity and pushes the buffer block 405 into the second buffer chamber 402, pushing the original damping fluid from the second buffer chamber 402 through the connecting hole 403 back into the first buffer chamber 401, pushing the pressure block 404 to reset, and restoring the buffering effect of the buffer device 4.

[0029] like Figure 1-3 As shown, in this embodiment, guide grooves 407 are provided on both sides of the first buffer cavity 401 near the pressure block 404, and guide blocks 408 are provided on the pressure block 404 in the direction of the buffer device 4; wherein, the movement of the guide blocks 408 in the guide grooves 407 restricts the pressure block 404, so that the range of motion of the pressure block 404 is restricted by the guide blocks 408 inside the guide grooves 407, thus preventing the pressure block 404 from falling out of the first buffer cavity 401.

[0030] like Figure 1-3 As shown, the opening angle of the hinge 1 in this embodiment is between 90° and 180°. The connection of the push rod 3 limits the opening angle of the hinge 1. The length of a single connecting hinge 2 is greater than the distance from the hinge 1 pivot to the hinge connection. When the hinge 1 is laid flat at 180°, the arched hinge forms a certain angle and pulls the push rod 3 upward to the buffer device 4. When the hinge 1 is folded and closes to 90°, the angle between the two hinges decreases to 90°, and the connecting parts move closer together, thereby pushing the pressure push rod 3 downward to the bottom buffer device 4.

[0031] like Figure 3As shown, the connecting hole 403 in this embodiment is chamfered in the direction of the second buffer cavity 402; wherein, the chamfer expands the connecting hole 403 on the side of the second buffer cavity 402, which makes the enlarged opening of the connecting hole 403 in the second buffer cavity 402 larger than the opening in the direction of the first buffer cavity 401. The damping fluid enters the first buffer cavity 401 from the second buffer cavity 402 faster than it enters the second buffer cavity 402 from the first buffer cavity 401. The buffer device 4 has a buffering effect and a faster rebound speed, and the hinge 1 can be opened and closed repeatedly.

[0032] like Figure 1 As shown, a connecting rod 5 is provided between the connecting hinges 2 in this embodiment; wherein, the connecting shaft at the connection point of the two connecting hinges 2 is the connecting rod 5, and the two connecting hinges 2 rotate synchronously through the connection of the connecting rod 5, making the overall rotation and buffering more stable.

[0033] Working principle: Hinges 1 are installed on the corresponding cabinet body and cabinet door at both ends. Hinges 2 open and close with hinges 1. When hinges 1 are closed, the included angle between hinges 2 decreases, and the two sliding rods 202 are pressed closer to the center. With the push rod 3 at a fixed length, the sliding sleeve 301 slides downward until it contacts the buffer device 4 at the bottom of the sliding rod 202. Conversely, when hinges 1 are open, the sliding rod 202 moves upward and contacts the buffer device 4 at the top of the sliding rod 202. The sliding sleeve 301 collidees with the pressure block 404 of the buffer device 4, pressing it into the first buffer cavity 401. The damping fluid in cavity 401 enters the second buffer cavity 402 through the connecting hole 403. The damping fluid squeezes the buffer block 405 in the second buffer cavity 402 and compresses the spring 406 on the back of the buffer block 405, thereby expanding the space in the second buffer cavity 402 and prolonging the time for the pressure block 404 to enter the first buffer cavity 401. This reduces the speed of the sliding sleeve 301 that squeezes the pressure block 404, providing a certain buffering effect at the end. Finally, it increases the sense of obstruction in the last stroke of the cabinet door opening and closing to reduce the speed and form a buffering effect for protection.

[0034] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A hinge with a buffer function, comprising: The hinge (1) and the connecting hinge (2) are characterized in that the connecting hinge (2) is provided with the surface of the hinge (1) facing inward, the connecting hinge (2) has a sliding cavity (201) at the center position, a sliding rod (202) is installed through the sliding cavity (201), a sliding sleeve (301) is sleeved on the surface of the sliding rod (202), a push rod (3) is provided between the sliding sleeves (301), and a buffer device (4) is provided at both ends of the sliding rod (202).

2. A hinge with a buffer function according to claim 1, characterized in that, The buffer device (4) has a first buffer cavity (401) inside, and a second buffer cavity (402) is provided on both sides of the first buffer cavity (401). A connecting hole (403) is provided between the first buffer cavity (401) and the second buffer cavity (402). A buffer block (405) is provided in the first buffer cavity (401) facing the sliding sleeve (301), and a buffer block (405) is provided in the second buffer cavity (402) facing the sliding sleeve (301). A spring (406) is provided on the back of the buffer block (405).

3. A hinge with a buffer function according to claim 2, characterized in that, The first buffer cavity (401) has guide grooves (407) on both sides near the pressure block (404), and the pressure block (404) has guide blocks (408) facing the buffer device (4).

4. A hinge with a buffer function according to claim 1, characterized in that, The opening angle of the hinge (1) is between 90° and 180°.

5. A hinge with a buffer function according to claim 2, characterized in that, The connecting hole (403) has a chamfer in the direction of the second buffer cavity (402).

6. A hinge with a buffer function according to claim 1, characterized in that, A connecting rod (5) is provided between the connecting hinges (2).

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