Hinge with external buffer

Abstract

The hinge comprises a hinge cup assembly, an outer swing arm and an inner swing arm, the hinge cup assembly comprises a hinge cup, the hinge cup is hinged to the outer swing arm and the inner swing arm, the hinge cup assembly further comprises a transmission sliding plate, the buffer and a bottom shell, the hinge cup is relatively fixed in the bottom shell, a sliding groove is formed between the outer bottom of the hinge cup and the bottom shell, and the buffer is arranged in the sliding groove. The transmission sliding plate is slidably connected into the sliding groove, the buffer is arranged in the containing groove, the buffer driving piece is arranged at the tail end of the outer swing arm, the buffer driving piece is provided with a shifting block used for shifting the transmission sliding plate to enable the transmission sliding plate to drive the buffer to work when the door is closed, one end of the transmission sliding plate corresponds to the shifting block, and the other end of the transmission sliding plate is connected with the buffer. A reset pushed part is formed on the transmission sliding plate, the cup hinging assembly comprises a reset driving piece used for shifting the reset pushed part to enable the transmission sliding plate to reset when the door is opened, and the reset driving piece is arranged on the outer swing arm. The hinge with the external buffer is favorable for reducing the internal space of a cabinet body occupied by the hinge.

Description

Technical Field

[0001] This utility model relates to the field of furniture hinges, specifically to a damper-type hinge. Background Technology

[0002] Currently, hinges are equipped with a damper and a closing drive spring. The closing drive spring is used to drive the cabinet door to close automatically, while the damper is used to buffer the closing of the cabinet door and prevent the cabinet door from colliding with the cabinet body quickly. The damper is located inside the hinge arm of the hinge. In order to achieve a better buffering effect, the damper has a large volume. Therefore, the outer diameter of the damper is set to be relatively large, which makes the hinge seat (including the hinge arm) for mounting inside the cabinet protrude a large height from the inside of the cabinet. As a result, the hinge occupies a large space inside the cabinet. Therefore, it is necessary to improve the existing hinge technology. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an externally mounted damper hinge, which helps to reduce the space occupied by the hinge inside the cabinet.

[0004] The objective of this utility model is achieved through the following technical solution.

[0005] This utility model discloses an externally mounted damper hinge, comprising a hinge cup assembly, an outer swing arm, and an inner swing arm. The hinge cup assembly includes a hinge cup that hinges the outer swing arm and the inner swing arm. The hinge cup assembly further includes a transmission slide plate, a damper, and a bottom shell for embedding within a cabinet door. The hinge cup is fixedly positioned within the bottom shell. A groove is provided between the outer bottom of the hinge cup and the bottom shell. The transmission slide plate is slidably connected within the groove. A receiving groove is formed at the bottom of the bottom shell, and the damper is disposed within the receiving groove. The hinge cup assembly includes a damping drive member disposed at the end of the outer swing arm. The damping drive member has a lever for actuating the transmission slide plate when the door is closed, causing the transmission slide plate to drive the damper. One end of the transmission slide plate corresponds to the lever, and the other end of the transmission slide plate is connected to the damper. The transmission slide plate has a reset push portion. The hinge cup assembly includes a reset drive member for actuating the reset push portion when the door is opened, causing the transmission slide plate to reset. The reset drive member is disposed on the outer swing arm.

[0006] Preferably, the reset drive is integrated with the outer swing arm.

[0007] Preferably, the transmission slide plate includes a plate body adapted to be disposed in the slide groove, one end of the plate body is bent to form a buffer push plate for contacting the toggle block, and the corresponding other end of the plate body is bent to form a pressure plate for contacting the piston rod of the buffer.

[0008] Preferably, a buckle is formed on the inner wall of the receiving groove, and the buckle is fastened to the cylinder of the buffer.

[0009] Preferably, the hinge cup includes a cup body and a flange, the flange and the cup body are integrally formed, the cup body is disposed inside the bottom shell, the top of the bottom shell is attached to the flange, the bottom shell has an inner protrusion buckle, the cup body has a buckle hole, and the inner protrusion buckle is disposed in the corresponding buckle hole.

[0010] Preferably, the outer swing arm and the hinge cup are connected by a first hinge shaft, the buffer drive is disposed inside the outer swing arm, the first hinge shaft is abutted against one side of the buffer drive, the buffer drive has a snap-fit ​​convex shaft, the outer swing arm has a positioning hole, and the snap-fit ​​convex shaft is adapted to connect to the corresponding positioning hole.

[0011] Compared with the prior art, the advantages of this utility model are as follows: By setting the hinge cup assembly including a transmission slide plate, a buffer, and a bottom shell for embedding in the cabinet door, the hinge cup is relatively fixed in the bottom shell, and a groove is provided between the outer bottom of the hinge cup and the bottom shell. The transmission slide plate is slidably connected in the groove. During this period, the transmission slide plate is set below the hinge cup. The bottom of the bottom shell forms a receiving groove, and the buffer is set in the receiving groove. The hinge cup assembly includes a buffer drive member, which is set at the end of the outer swing arm. The buffer drive member forms a paddle for moving the transmission slide plate when the door is closed so that the transmission slide plate drives the buffer to work. One end of the transmission slide plate corresponds to the paddle, and the other end of the transmission slide plate is connected to the buffer. The transmission slide plate forms a reset push part. The hinge cup assembly includes a reset drive member for moving the reset push part when the door is opened so that the transmission slide plate is reset. The reset drive member is set on the outer swing arm, avoiding the need for the buffer to be set in the hinge arm, thereby helping to reduce the space occupied by the hinge in the cabinet. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the back of the hinge of this utility model.

[0013] Figure 2 This is a frontal three-dimensional structural diagram of the hinge of this utility model.

[0014] Figure 3 This is an exploded view of the hinge of this utility model.

[0015] Figure 4 This is a three-dimensional cross-sectional view of the hinge structure of this utility model.

[0016] Figure 5 This is a three-dimensional structural diagram of the combination of the external swing arm and the buffer drive component of this utility model.

[0017] Figure 6This is an exploded view of the external swing arm and buffer drive component of this utility model.

[0018] Figure 7 This is a partial cross-sectional structural diagram of the hinge of this utility model in the closed state.

[0019] Labeling: Hinge seat 1; Hinge arm 11; Hinge cup assembly 2; Hinge cup 21; Cup body 211; Buckle hole 2111; Flange 212; Bottom shell 22; Slide groove 221; Inner protruding buckle 222; Accommodating groove 223; Buckle strip 2231; Guide protrusion 224; Transmission slide plate 23; Plate body 231; Buffer push plate 232; Reset push part 233; Pressure plate 234; Buffer drive component 24; Toggle block 241; Buckle protrusion 242; Reset drive component 25; Buffer 26; Cylinder body 261; Piston rod 262; Outer swing arm 3; Positioning hole 301; Inner swing arm 4; First hinge shaft 7; Second hinge shaft 8; Door closing drive spring 9. Detailed Implementation

[0020] The present invention will now be further described with reference to the accompanying drawings.

[0021] The hinge of this utility model, such as Figures 1 to 4 As shown, the device includes a hinge cup assembly 2, an outer swing arm 3, and an inner swing arm 4. The hinge cup assembly 2 is used to install on the back of the cabinet door. The hinge cup assembly 2 includes a hinge cup 21, which hinges the outer swing arm 3 and the inner swing arm 4. Specifically, the hinge of this invention includes a hinge seat 1, which includes a hinge arm 11. One end of the outer swing arm 3 is hinged to the hinge arm 11, and the corresponding other end of the outer swing arm 3 is hinged to the hinge cup 21 via a first hinge shaft 7. One end of the inner swing arm 4 is hinged to the hinge arm 11, and the corresponding other end of the inner swing arm 4 is hinged to the hinge cup 21 via a second hinge shaft 8. Figure 7 As shown, the inner swing arm 4 is located inside the angle formed by the hinge arm 11 and the outer swing arm 3.

[0022] like Figures 1 to 4 As shown, the hinge cup assembly 2 includes a transmission slide plate 23, a buffer 26, and a base shell 22 for embedding in the cabinet door. The base shell 22 is an injection molded part, and the hinge cup 21 can be made of stainless steel. The hinge cup 21 is fixedly positioned within the base shell 22. Figure 3 Combination Figure 7 As shown, a groove 221 is provided between the outer bottom of the hinge cup 21 and the bottom shell 22. More specifically, the groove 221 is formed between the outer bottom of the hinge cup 21 and the inner bottom of the bottom shell 22, as shown. Figure 4 and Figure 7 As shown, the transmission slide plate 23 is slidably connected within the slide groove 221. During this period, the transmission slide plate 23 is positioned below the hinge cup 21, as shown. Figure 3 As shown, a guide protrusion 224 is also formed on the inner bottom of the bottom shell 22, and the upper and lower sides of the transmission slide plate 23 respectively abut against the corresponding guide protrusion 224, such as... Figure 1 As shown, a receiving groove 223 is formed at the bottom of the bottom shell 22, and the buffer 26 is disposed in the receiving groove 223, as follows. Figures 3 to 5 As shown, the hinge cup assembly 2 includes a buffer drive 24, which is disposed at the end of the outer swing arm 3 (i.e., the end of the outer swing arm 3 that is relatively far from the hinge arm 11), as... Figure 5 and Figure 7 As shown, the buffer drive member 24 is formed with a paddle 241 for actuating the transmission slide plate 23 when the door is closed, so that the transmission slide plate 23 drives the buffer 26 to operate. "Drives the buffer 26 to operate" means that the piston rod 262 of the buffer 26 is moved inward relative to the cylinder 261 of the buffer 26, such as... Figure 4 As shown, one end of the transmission slide plate 23 corresponds to the toggle block 241, and the other end of the transmission slide plate 23 is connected to the buffer 26. The transmission slide plate 23 forms a reset push-receiving part 233, as shown. Figure 5 As shown, the hinge cup assembly 2 includes a reset drive 25 for resetting the transmission slide plate 23 by actuating the reset push part 233 when the door is opened. The reset drive 25 is disposed on the outer swing arm 3.

[0023] The working principle of the hinge of this utility model is briefly explained below: Figure 7 As shown, hinge arm 11 and outer swing arm 3 are connected by a hinge pin. A door-closing drive spring 9 is fitted onto the hinge pin. The door-closing drive spring 9 is a torsion spring. The working principle of the door-closing drive spring 9 driving the cabinet door to close can be illustrated by referring to the Chinese Utility Model Patent Publication No. CN219412259U, "A Hinge for Thick Doors with Front-Modulated Dampers." When the cabinet door is manually closed to near its limit position, the door-closing drive spring 9 causes the cabinet door to close automatically. During this process, the relative angle between the hinge cup 21 and the outer swing arm 3 changes from... Figure 4 The state shown transforms into Figure 7 As shown, during the swinging process of the outer swing arm 3 relative to the hinge cup 21 (in Figure 7 From the user's perspective, the outer swing arm 3 swings clockwise relative to the hinge cup 21, and the toggle block 241 moves towards one end of the aforementioned transmission slide plate 23. The toggle block 241 then contacts one end of the transmission slide plate 23, actuating it. Since the hinge cup 21 is installed at the edge of the cabinet door, the transmission slide plate 23 moves horizontally towards the edge of the cabinet door. The corresponding other end of the transmission slide plate 23 drives the buffer 26 to work, thus buffering the cabinet door from closing. When the user opens the cabinet door, as the outer swing arm 3 rotates counterclockwise relative to the hinge cup 21, the reset drive 25 contacts and actuates the reset push part 233. That is, the reset drive 25 drives the transmission slide plate 23 towards the center of the cabinet door, thus resetting the transmission slide plate 23. Figure 1 and Figure 2As shown, by placing the buffer 26 on the cabinet door, it avoids the need for the buffer 26 to be installed inside the hinge arm 11. Consequently, the dimensions of the hinge arm 11 in the left-right direction can be reduced, which helps to minimize the space occupied by the hinge inside the cabinet. By setting a reset drive 25 to force the transmission slide plate 23 to reset, it avoids relying on the built-in reset spring of the buffer 26 to drive the transmission slide plate 23 to reset, which helps the buffer 26 to reset stably and effectively. Figure 4 As shown, because the groove 221 is formed between the outer bottom of the hinge cup 21 and the bottom shell 22, the upper surface of the transmission slide plate 23 is in contact with the bottom surface of the hinge cup 21 (in Figure 4 (From the perspective of the viewpoint), if the transmission slide plate 23 moves upward, it will be blocked by the outer bottom of the hinge cup 21, thus preventing the transmission slide plate 23 from bouncing and dislodging during sliding operation. The bottom shell 22 can prevent the transmission slide plate 23 from moving relatively downward (in...). Figure 4 (From the perspective of the cabinet door), and because the bottom shell 22 is used to be embedded in the cabinet door, the cabinet door can prevent the bottom shell 22 from moving downwards.

[0024] Furthermore, such as Figure 5 As shown, the reset drive 25 is integrated with the outer swing arm 3. The reset drive 25 can be formed by laser cutting before bending to form the groove structure of the outer swing arm 3, which is conducive to a high-strength connection between the reset drive 25 and the outer swing arm 3.

[0025] Furthermore, such as Figure 3 As shown, the transmission slide plate 23 includes a plate body 231, as... Figure 4 As shown, the plate 231 is adapted to be disposed within the slide groove 221, that is to say, the plate 231 can slide within the slide groove 221, as... Figure 3 As shown, one end of the plate 231 is bent to form a buffer push plate 232 for contacting the toggle block 241, and the corresponding other end of the plate 231 is bent to form a pressure plate 234 for contacting the piston rod 262 of the buffer 26. When closing the door, the toggle block 241 pushes the buffer push plate 232 to make the transmission slide plate 23 slide, thereby pushing the piston rod 262 into the cylinder 261 by the pressure plate 234. The buffer push plate 232, the pressure plate 234, and the reset push part 233 are all formed by sheet metal processing, so the structure of the transmission slide plate 23 is simple and easy to manufacture. Figure 4 As shown, when the cabinet door is in its fully open state, the toggle block 241 moves away from the buffer push plate 232, but the reset drive component 25 abuts against the corresponding reset push part 233, as shown. Figure 7 As shown, when the cabinet door is closed, the toggle block 241 abuts against the buffer push plate 232, and the reset drive unit 25 moves away from the corresponding reset push part 233.

[0026] Furthermore, such as Figure 1As shown, a retaining strip 2231 is formed on the inner wall of the receiving groove 223. Specifically, the cylinder 261 of the buffer 26 is adapted to be disposed in the receiving groove 223, and the retaining strip 2231 fastens the cylinder 261 of the buffer 26. Therefore, during the installation of the buffer 26, it is only necessary to simply insert the buffer 26 into the receiving groove 223 along the radial direction of the cylinder 261, so that the cylinder 262 passes over the retaining strip 2231. After that, the retaining strip 2231 can prevent the buffer 26 from falling out of the receiving groove 223.

[0027] Furthermore, such as Figure 3 As shown, the hinge cup 21 includes a cup body 211 and a flange 212. The flange 212 is integrally formed with the cup body 211. The cup body 211 is located inside the bottom shell 22. Specifically, the bottom shell 22 has a groove formed in the middle of its vertical direction. The cup body 211 is inserted into the groove. The buffer 26 is located outside the cup body 211. The slide groove 221 is specifically formed at the bottom of the groove. The bottom of the cup body 211 covers the slide groove 221, so that the plate 231 is adapted to be located between the outer bottom of the cup body 211 and the bottom of the slide groove 221, thereby providing a better linear guiding effect for the transmission slide plate 23. Figure 1 As shown, the bottom shell 22 is cylindrical in shape, which facilitates its fitting and embedding into the circular recess on the back of the cabinet door. For example... Figure 7 As shown, when the cabinet door is closed, the outer swing arm 3 folds into the cup body 211. In other words, this invention makes full use of the space of the circular recess on the back of the cabinet door to hide the buffer 26 inside the cabinet door, thereby avoiding the buffer 26 occupying additional internal space of the cabinet. Since the transmission slide plate 23 is built-in, it avoids scraping the cabinet door when the transmission slide plate 23 moves, and avoids the transmission slide plate 23 being obstructed by the cabinet door.

[0028] Specifically, the edge of the cup body 211 is integrally connected to the flange 212, and the flange 212 has two mounting holes for installing self-tapping screws, such as... Figure 2 As shown, the top of the bottom shell 22 abuts against the back of the connecting flange 212. The bottom shell 22 has an inner protrusion 222, which is located on the upper and lower sides of the groove. The cup body 211 has a snap hole 2111, and the inner protrusion 222 is fitted into the corresponding snap hole 2111. This prevents the bottom shell 22 and the cup body 211 from easily separating. Since the top of the bottom shell 22 abuts against the connecting flange 212, relative rotation between the bottom shell 22 and the hinge cup 21 is also prevented. Thus, the structure simplifies the relative positioning of the bottom shell 22 and the hinge cup 21. During the process of inserting the cup body 211 into the groove, the cup body 211 pushes open the groove, that is, the bottom shell 22 elastically deforms and opens, so that the inner protrusion 222 can slide to the snap hole 2111.

[0029] Furthermore, such as Figure 3 and Figure 7As shown, the outer swing arm 3 and the hinge cup 21 are connected by the first hinge shaft 7, as follows: Figure 5 As shown, the buffer drive 24 is located inside the outer swing arm 3, thus the buffer drive 24 is positioned between the upper and lower reset drive 25, as... Figure 7 As shown, the first hinge shaft 7 abuts against one side of the buffer drive member 24, and the buffer drive member 24 has a snap-fit ​​convex shaft 242, as shown. Figure 6 As shown, a positioning hole 301 is formed on the inner wall of the outer swing arm 3, such as Figure 5 Combination Figure 6 As shown, the snap-fit ​​cam 242 is adapted to connect to the corresponding positioning hole 301, so that the first hinge shaft 7 and the positioning hole 301 are combined to position the buffer drive 24. The buffer drive 24 is an injection molded part. The upper part and the lower part of the buffer drive 24 are respectively formed with elastic sheets. The snap-fit ​​cam 242 is specifically formed on the outside of the corresponding elastic sheet. When the buffer drive 24 is inserted into the groove-shaped outer swing arm 3, the above-mentioned elastic sheet can elastically retract and swing, so that the snap-fit ​​cam 242 can slide into the position of the positioning hole 301.

[0030] like Figure 3 and Figure 4 As shown, during the assembly process of the bottom shell 22 and the hinge cup 21, the transmission slide plate 23 is first placed into the slide groove 221, then the cup body 211 is inserted into the groove mentioned above, and then the first hinge shaft 7 and the second hinge shaft 8 are installed.

Claims

1. A buffer-external hinge, comprising a hinge cup assembly (2), an outer swing arm (3) and an inner swing arm (4), the hinge cup assembly (2) comprising a hinge cup (21), the hinge cup (21) hinging the outer swing arm (3) and the inner swing arm (4), characterized in that: The hinge cup assembly (2) further includes a transmission slide plate (23), a buffer (26), and a bottom shell (22) for embedding in the cabinet door. The hinge cup (21) is fixedly fixed in the bottom shell (22). A groove (221) is provided between the outer bottom of the hinge cup (21) and the bottom shell (22). The transmission slide plate (23) is slidably connected in the groove (221). A receiving groove (223) is formed at the bottom of the bottom shell (22). The buffer (26) is disposed in the receiving groove (223). The hinge cup assembly (2) includes a buffer drive (24). The buffer drive (24) is disposed at the end of the outer swing arm (3). The buffer drive (24) is formed with a paddle (241) for turning the transmission slide plate (23) when the door is closed so that the transmission slide plate (23) drives the buffer (26) to work. One end of the transmission slide plate (23) corresponds to the paddle (241), and the other end of the transmission slide plate (23) is connected to the buffer (26). The transmission slide plate (23) is formed with a reset push portion (233). The hinge cup assembly (2) includes a reset drive (25) for turning the reset push portion (233) when the door is opened so that the transmission slide plate (23) is reset. The reset drive (25) is disposed on the outer swing arm (3).

2. The buffer-external hinge according to claim 1, characterized in that: The reset drive (25) is integrated with the outer swing arm (3).

3. The buffer-external hinge according to claim 1 or 2, characterized in that: The transmission slide plate (23) includes a plate body (231), which is adapted to be disposed in the slide groove (221). One end of the plate body (231) is bent to form a buffer push plate (232) for contacting the push block (241), and the other end of the plate body (231) is bent to form a pressure plate (234) for contacting the piston rod (262) of the buffer (26).

4. The buffer-external hinge according to claim 1 or 2, characterized in that: A buckle (2231) is formed on the inner wall of the receiving groove (223), and the buckle (2231) is fastened to the cylinder (261) of the buffer (26).

5. The buffer-external hinge according to claim 1 or 2, characterized in that: The hinge cup (21) includes a cup body (211) and a flange (212). The flange (212) is integrally formed with the cup body (211). The cup body (211) is located inside the bottom shell (22). The top of the bottom shell (22) is attached to the flange (212). The bottom shell (22) has an inner buckle (222). The cup body (211) has a buckle hole (2111). The inner buckle (222) is disposed in the corresponding buckle hole (2111).

6. The buffer-external hinge according to claim 1 or 2, characterized in that: The outer swing arm (3) is connected to the hinge cup (21) through the first hinge shaft (7). The buffer drive (24) is located inside the outer swing arm (3). The first hinge shaft (7) is attached to one side of the buffer drive (24). The buffer drive (24) has a snap-fit ​​convex shaft (242). The outer swing arm (3) has a positioning hole (301). The snap-fit ​​convex shaft (242) is adapted to connect to the corresponding positioning hole (301).

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