External buffer hydraulic hinge

Abstract

The utility model discloses an external buffer hydraulic hinge, which comprises a door leaf connecting assembly, a door frame connecting assembly and a connecting rocker arm, the connecting rocker arm is connected between the door leaf connecting assembly and the door frame connecting assembly, and the external buffer hydraulic hinge is characterized in that the outer side of the door frame connecting assembly is covered with a buffer hydraulic sleeve shell; a buffer mounting groove is concavely formed in the inner upper part of the buffer hydraulic sleeve shell, a drawing connecting piece is mounted in the buffer mounting groove, a buffer hydraulic rod is mounted in the drawing connecting piece, a hydraulic rod mounting groove is formed in the inner rear part of the buffer mounting groove, and the rear end of the buffer hydraulic rod is connected into the hydraulic rod mounting groove; a movable open groove is formed in the front end of the drawing connecting piece, a buffering sliding block is connected into the movable open groove, a rod connecting groove is formed in the rear end of the buffering sliding block in a concave mode, the front end of the buffering hydraulic rod is connected into the rod connecting groove, and therefore the buffering sliding block is connected to the front end of the buffering hydraulic rod. And the durability of the whole structure and the stability of buffering performance are improved.

Description

Technical Field

[0001] This utility model belongs to the field of hinge technology, specifically relating to an external buffer pressure hinge. Background Technology

[0002] Hinges are common mechanical connection components in opening and closing devices such as doors and windows, enabling them to open and close smoothly. With increasing usage frequency, the structural and performance requirements for hinges are also gradually increasing. Traditional hinge structures typically rely on the friction of the hinge components and elastic elements to control the opening and closing speed of the door. However, these traditional designs often have some shortcomings, especially during long-term use, which can easily lead to wear of individual components, affecting cushioning performance and even causing cushioning failure.

[0003] In existing technologies, most hydraulic damping hinges employ a built-in hydraulic system, achieving the damping function through a hydraulic device located inside the hinge. While this design provides a certain degree of damping, the close integration of the hydraulic system with the hinge structure means that wear on the hydraulic components over prolonged use can lead to hydraulic oil leaks or system malfunctions. Furthermore, the complex design of the built-in hydraulic structure makes maintenance and replacement difficult; in the event of a failure, the entire hinge typically needs to be replaced or the complex internal structure repaired, increasing maintenance costs and complexity.

[0004] Traditional hydraulic hinges are designed with little consideration for component replacement and maintenance. Many hinge structures cannot replace damaged buffer components individually, resulting in the need to replace or repair the entire hinge, which increases usage and maintenance costs.

[0005] Therefore, overcoming the shortcomings of the existing technology is an urgent problem to be solved in this technical field. Utility Model Content

[0006] In view of the technical problems mentioned in the background art, the purpose of this utility model is to provide an external buffer pressure hinge that effectively avoids the risk of buffer failure caused by wear of a single component due to long-term use, improves the overall durability and stability of buffer performance, has a simpler and more durable structure, does not require a complex structure, increases durability while improving product performance, reduces production costs, and increases efficiency, so as to solve the technical problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an external buffer pressure hinge, comprising a door leaf connecting assembly, a door frame connecting assembly, and a connecting rocker arm, wherein the connecting rocker arm is connected between the door leaf connecting assembly and the door frame connecting assembly. The door frame connecting assembly is characterized in that a buffer pressure sleeve is fitted on the outer side of the door frame connecting assembly, a buffer mounting groove is recessed in the upper inner part of the buffer pressure sleeve, a pull-out connector is installed inside the buffer mounting groove, a buffer pressure rod is installed in the pull-out connector, a hydraulic rod mounting groove is provided in the rear inner part of the buffer mounting groove, the rear end of the buffer pressure rod is connected to the hydraulic rod mounting groove, a movable slot is opened at the front end of the pull-out connector, a buffer slider is connected in the movable slot, a rod connecting groove is recessed at the rear end of the buffer slider, and the front end of the buffer pressure rod is connected to the rod connecting groove, thereby connecting the buffer slider to the front end of the buffer pressure rod.

[0008] Furthermore, the pull-out connector is a one-piece molded structure.

[0009] Furthermore, the inner sides of the buffer mounting groove are symmetrically provided with fixing through posts, and the two sides of the pull-out connector are symmetrically provided with fixing through holes. The fixing through holes correspond to the fixing through posts, and are connected and fixed by fasteners passing through the fixing through holes and fixing through posts, so that the pull-out connector, the buffer pressure rod and the buffer slider are installed in the buffer pressure sleeve.

[0010] Furthermore, the door frame connecting assembly includes a combined cover, a first seat plate, and a second seat plate, with the first seat plate installed in the lower end of the combined cover and the second seat plate installed in the lower end of the first seat plate.

[0011] Furthermore, the surface of the combined cover is provided with a front-to-back adjustment groove, the surface of the first base piece is provided with a front-to-back adjustment hole, and a front-to-back adjustment component is connected to the front-to-back adjustment groove and the front-to-back adjustment hole. The surface of the first base piece is provided with a left-to-right adjustment groove, the surface of the second base piece is provided with a left-to-right adjustment hole, and a left-to-right adjustment component is connected to the left-to-right adjustment groove and the left-to-right adjustment hole. The front surface of the combined cover is provided with an up-to-down adjustment hole, and an up-to-down adjustment component is connected to the up-to-down adjustment hole. The front surface of the first base piece is recessed with an up-to-down adjustment groove, and the lower end of the up-to-down adjustment component is connected to the up-to-down adjustment groove.

[0012] Furthermore, the door panel connection assembly includes a connector and a connector cover. The connector cover is mounted on the rear surface of the connector, and the rear surface of the connector has symmetrically arranged mounting holes.

[0013] Furthermore, the front end of the connecting seat is provided with a first rocker arm connecting part, and the front end of the combined cover is provided with a second rocker arm connecting part. One end of the connecting rocker arm is hinged to the first rocker arm connecting part, and the other end of the connecting rocker arm is hinged to the second rocker arm connecting part.

[0014] The present invention has the following advantages: the outer cover of the door frame connecting assembly is equipped with a buffer pressure sleeve, the upper inner part of which is recessed with a buffer mounting groove, a pull-out connector is installed inside the buffer mounting groove, a buffer pressure rod is installed in the pull-out connector, a hydraulic rod mounting groove is provided in the inner rear part of the buffer mounting groove, the rear end of the buffer pressure rod is connected in the hydraulic rod mounting groove, the front end of the pull-out connector is provided with a movable slot, a buffer slider is connected in the movable slot, the rear end of the buffer slider is recessed with a rod connecting groove, and the front end of the buffer pressure rod is connected in the rod connecting groove. The external buffer pressure hinge of the present invention effectively avoids the risk of buffer failure due to wear of a single component caused by long-term use, improves the durability of the overall structure and the stability of the buffer performance, the structure is simpler and more durable, without the need for complex structures, increases durability while improving product performance, reducing production costs and increasing efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the overall exploded structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the buffer pressure sleeve structure of this utility model.

[0018] Figure 4 This is an exploded structural diagram of the door frame connection component of this utility model.

[0019] Reference numerals: Door leaf connecting assembly 10; Door frame connecting assembly 20; Connecting rocker arm 30; Buffer pressure sleeve 40; Buffer mounting groove 41; Pull-out connector 50; Buffer pressure rod 60; Hydraulic rod mounting groove 411; Movable slot 51; Buffer slider 61; Rod connecting groove 611; Fixed through post 412; Fixed through hole 52; Combination cover 21; First seat piece 22; Second seat piece 23; Front and rear adjustment groove 211; Front and rear adjustment hole 221; Front and rear adjustment component 24; Left and right adjustment groove 222; Left and right adjustment hole 231; Left and right adjustment component 25; Up and down adjustment hole 212; Up and down adjustment component 26; Up and down adjustment groove 223; Connecting seat 11; Connecting cover 12; Mounting through hole 111; First rocker arm connecting part 112; Second rocker arm connecting part 213. Detailed Implementation

[0020] like Figures 1 to 4 As shown, an external buffer pressure hinge includes a door leaf connecting assembly 10, a door frame connecting assembly 20, and a connecting rocker arm 30. The connecting rocker arm 30 is connected between the door leaf connecting assembly 10 and the door frame connecting assembly 20. In use, the door leaf connecting assembly 10 is installed on the door leaf, and the door frame connecting assembly 20 is installed on the door frame.

[0021] In practical implementation, the outer cover of the door frame connecting assembly 20 is fitted with a buffer pressure sleeve 40. The upper inner part of the buffer pressure sleeve 40 is recessed with a buffer mounting groove 41. A pull-out connector 50 is installed inside the buffer mounting groove 41, and a buffer pressure rod 60 is installed in the pull-out connector 50. A hydraulic rod mounting groove 411 is provided at the rear inner part of the buffer mounting groove 41, and the rear end of the buffer pressure rod 60 is connected to the hydraulic rod mounting groove 411. A movable slot 51 is opened at the front end of the pull-out connector 50, and a buffer slider 61 is connected in the movable slot 51. A rod connection groove 611 is recessed at the rear end of the buffer slider 61. The front end of the pressure rod 60 is connected to the rod connecting groove 611, thereby connecting the buffer slider 61 to the front end of the buffer pressure rod 60. During use, when the door is closed, the buffer pressure rod 60 extends into the buffer pressure sleeve 40, and the front end of the buffer pressure rod 60 pushes the buffer slider 61 to slide in the movable slot 51. Under the action of the rod connecting groove 611, the buffer action is completed. Since the buffer slider 61 is a replaceable part and is separately set from the pull-out connector 50, the risk of buffer failure caused by wear of a single part due to long-term use is effectively avoided, thereby improving the durability of the overall structure and the stability of the buffer performance.

[0022] In practical implementation, the pull-out connector 50 is an integrally formed structure. The integrally formed pull-out connector 50 can have a small angle buffer. The existing buffer pressure rod with built-in hinge inner shell is prone to cylinder bursting.

[0023] In practical implementation, the inner sides of the buffer mounting groove 41 are symmetrically provided with fixing through posts 412, and the two sides of the pull-out connector 50 are symmetrically provided with fixing through holes 52. The fixing through holes 52 correspond to the fixing through posts 412, and are connected and fixed by fasteners passing through the fixing through holes 52 and fixing through posts 412. Thus, the pull-out connector 50, the buffer pressure rod 60, and the buffer slider 61 are installed in the buffer pressure sleeve 40. With the above structural design, the overall assembly process is simple and efficient, the number of parts is reduced, and the structure is more integrated and standardized. While ensuring the stability of the buffer function, the durability and reliability of the product are effectively improved, and the production cost and manual assembly complexity are significantly reduced. Compared with the existing complex hinge structure, the design scheme of this embodiment not only simplifies the structural process, but also achieves a dual improvement in performance optimization and manufacturing efficiency, reflecting the essential technological progress of this product in structural optimization.

[0024] In practical implementation, the door frame connecting assembly 20 includes a combination cover 21, a first seat piece 22, and a second seat piece 23. The first seat piece 22 is installed in the lower end of the combination cover 21, and the second seat piece 23 is installed in the lower end of the first seat piece 22. The surface of the combination cover 21 has a front-to-back adjustment groove 211, and the surface of the first seat piece 22 has a front-to-back adjustment hole 221. Front-to-back adjustment members 24 are connected to the front-to-back adjustment groove 211 and the front-to-back adjustment hole 221. The surface of the first seat piece 22 has a left-to-right adjustment groove 222, and the second seat piece 23... The surface of the cover 21 has left and right adjustment holes 231. Left and right adjustment slots 222 and left and right adjustment holes 231 are connected to left and right adjustment components 25. The front surface of the combined cover 21 has up and down adjustment holes 212. Up and down adjustment components 26 are connected to up and down adjustment holes 212. The front surface of the first seat piece 22 has an up and down adjustment slot 223. The lower end of the up and down adjustment component 26 is connected to the up and down adjustment slot 223. In use, by adjusting the front and rear adjustment components 24, the position of the first seat piece 22 relative to the combined cover 21 can be finely adjusted in the front and rear direction. The left and right adjustment components 25 can drive the second seat piece 23 to make fine adjustments in the horizontal direction to adapt to different door frame widths or installation errors. By adjusting the axial position of the up and down adjustment components 26, the first seat piece 22 can be moved up and down in the vertical direction, thereby achieving height adjustment of the entire door leaf. Installers can adjust the spatial position of the door frame connecting components according to the relative position between the door leaf and the door frame using the three-way adjustment components mentioned above, thereby ensuring smooth opening and closing of the door leaf and accurate positioning, which greatly improves the installation flexibility, structural stability and reliability of this product.

[0025] In a specific implementation, the door leaf connection assembly 10 includes a connecting seat 11 and a connecting cover 12. The connecting cover 12 is installed on the rear surface of the connecting seat 11. The rear surface of the connecting seat 11 is symmetrically provided with mounting holes 111. In use, fasteners are passed through the mounting holes 111 to connect with the door leaf.

[0026] In practical implementation, the front end of the connecting seat 11 is provided with a first rocker arm connecting part 112, and the front end of the combined cover 21 is provided with a second rocker arm connecting part 213. One end of the connecting rocker arm 30 is hinged to the first rocker arm connecting part 112, and the other end of the connecting rocker arm 30 is hinged to the second rocker arm connecting part 213, so that the connecting rocker arm 30 is connected between the door leaf connecting assembly 10 and the door frame connecting assembly 20. The structure is simple and the assembly is convenient.

[0027] In summary, the outer cover of the door frame connecting assembly 20 is fitted with a buffer pressure sleeve 40. The upper inner part of the buffer pressure sleeve 40 is recessed with a buffer mounting groove 41. A pull-out connector 50 is installed inside the buffer mounting groove 41, and a buffer pressure rod 60 is installed within the pull-out connector 50. A hydraulic rod mounting groove 411 is provided at the rear inner part of the buffer mounting groove 41, and the rear end of the buffer pressure rod 60 is connected to the hydraulic rod mounting groove 411. A movable slot 51 is opened at the front end of the pull-out connector 50, and a buffer slider 61 is connected to the movable slot 51. A rod connecting groove 61 is recessed at the rear end of the buffer slider 61, and the front end of the buffer pressure rod 60 is connected to the rod connecting groove 611. This external buffer pressure hinge effectively avoids the risk of buffer failure due to wear of a single component caused by prolonged use, improves the overall structural durability and buffer performance stability, and features a simpler and more durable structure. It eliminates the need for complex structures, increases durability, improves product performance, reduces production costs, and increases efficiency.

Claims

1. An externally mounted buffer pressure hinge, comprising a door leaf connecting assembly (10), a door frame connecting assembly (20), and a connecting rocker arm (30), the connecting rocker arm (30) being connected between the door leaf connecting assembly (10) and the door frame connecting assembly (20), characterized in that, The outer cover of the door frame connecting assembly (20) is fitted with a buffer pressure sleeve (40). The upper inner part of the buffer pressure sleeve (40) is recessed with a buffer mounting groove (41). A pull-out connector (50) is installed inside the buffer mounting groove (41). A buffer pressure rod (60) is installed in the pull-out connector (50). A hydraulic rod mounting groove (411) is provided in the rear inner part of the buffer mounting groove (41). The rear end of the buffer pressure rod (60) is connected in the hydraulic rod mounting groove (411). A movable slot (51) is opened at the front end of the pull-out connector (50). A buffer slider (61) is connected in the movable slot (51). A rod connecting groove (611) is recessed at the rear end of the buffer slider (61). The front end of the buffer pressure rod (60) is connected in the rod connecting groove (611), thereby connecting the buffer slider (61) to the front end of the buffer pressure rod (60).

2. The external buffer pressure hinge according to claim 1, characterized in that, The pull-out connector (50) is a one-piece molded structure.

3. The external buffer pressure hinge according to claim 1, characterized in that, The inner sides of the buffer mounting groove (41) are symmetrically provided with fixing through posts (412), and the two sides of the pull-out connector (50) are symmetrically provided with fixing through holes (52). The fixing through holes (52) correspond to the fixing through posts (412), and are connected and fixed by fasteners passing through the fixing through holes (52) and fixing through posts (412), so that the pull-out connector (50), the buffer pressure rod (60) and the buffer slider (61) are installed in the buffer pressure sleeve (40).

4. The external buffer pressure hinge according to claim 1, characterized in that, The door frame connection assembly (20) includes a combination cover (21), a first seat plate (22) and a second seat plate (23), the first seat plate (22) being installed in the lower end of the combination cover (21) and the second seat plate (23) being installed in the lower end of the first seat plate (22).

5. The external buffer pressure hinge according to claim 4, characterized in that, The surface of the combined cover (21) is provided with a front and rear adjustment groove (211), the surface of the first seat plate (22) is provided with a front and rear adjustment hole (221), and a front and rear adjustment member (24) is connected in the front and rear adjustment groove (211) and the front and rear adjustment hole (221). The surface of the first seat plate (22) is provided with a left and right adjustment groove (222), the surface of the second seat plate (23) is provided with a left and right adjustment hole (231), and a left and right adjustment member (25) is connected in the left and right adjustment groove (222) and the left and right adjustment hole (231). The front surface of the combined cover (21) is provided with an up and down adjustment hole (212), and an up and down adjustment member (26) is connected in the up and down adjustment hole (212). The front surface of the first seat plate (22) is recessed with an up and down adjustment groove (223), and the lower end of the up and down adjustment member (26) is connected to the up and down adjustment groove (223).

6. The external buffer pressure hinge according to claim 5, characterized in that, The door panel connection assembly (10) includes a connector (11) and a connector cover (12). The connector cover (12) is mounted on the rear surface of the connector (11), and the rear surface of the connector (11) is symmetrically provided with mounting holes (111).

7. The external buffer pressure hinge according to claim 6, characterized in that, The front end of the connector (11) is provided with a first rocker arm connecting part (112), and the front end of the combined cover (21) is provided with a second rocker arm connecting part (213). One end of the connecting rocker arm (30) is hinged to the first rocker arm connecting part (112), and the other end of the connecting rocker arm (30) is hinged to the second rocker arm connecting part (213).

Images