A detachable buffer hook
Patent Information
- Application Number
- CN202521757108.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-18
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-08-18
AI Technical Summary
[0005]为了克服现有技术的不足，本实用新型提供一种可拆卸缓冲器的勾头，本实用新型通过分体式结构设计，将勾头元件与安装底座拆分，配合可拆式连接结构及限位壳体的导向限位，解决了小内腔安装空间缓冲的安装困难、不便维修等的问题，又提升了整体运行稳定性与使用寿命
[0015]本实用新型的有益效果是：所述限位壳体给所述缓冲推杆、所述勾头组件和所述连接块起到安装限位的作用，同时，还给所述勾头组件前后滑动起到导向限位的作用，确保勾头组件沿预设方向稳定运动，所述缓冲推杆起到动力传动和能量吸收的作用，给勾头组件与外部阻挡物碰撞时起到能量吸收的作用，降低勾头组件与阻挡物接触时的冲击力，所述勾头组件是核心功能部件，与外部阻挡物直接接触部件，从而对外部阻挡物实现缓冲的作用，所述连接块4给所述缓冲推杆和所述勾头组件起到连接的作用，在保证动力传输的情况下，又方便勾头组件拆卸与维修，所述安装底座给所述勾头元件起到安装限位的作用，所述勾头元件是直接与外部阻挡物配合的部件，通过自身形状实现与阻挡物的机械限位。
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Figure CN224742813U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of buffer technology, and in particular to a hook for a detachable buffer. Background Technology
[0002] Existing buffer hook structures have many shortcomings in practical applications. In traditional designs, the hook element and the mounting base are mostly integrally cast or injection molded. In special installation scenarios, it is necessary to mount the hook element on the mounting base later, but since the hook assemblies on the market are all integral, they cannot meet this requirement.
[0003] Meanwhile, as the component that comes into direct contact with external obstructions, the hook element is prone to wear, deformation, and even breakage after prolonged use. Because traditional structures cannot replace the hook element individually, the entire hook assembly must be replaced, which significantly increases maintenance costs and extends repair time.
[0004] To address the aforementioned issues, this utility model provides a hook for a detachable buffer. This buffer adopts a split structure design, separating the hook component from the mounting base to achieve precise assembly and quick disassembly. The connecting block and the mounting base are detachably coupled, and with the guide limit of the limiting shell, it not only solves the problems of difficult installation and inconvenient maintenance of buffers in small internal cavity installation spaces, but also improves the overall operational stability and service life. Utility Model Content
[0005] To overcome the shortcomings of the existing technology, this utility model provides a hook head for a detachable buffer. Through a split structure design, the hook head component is separated from the mounting base. Combined with a detachable connection structure and a guide limiter housing, this solves the problems of difficult installation and inconvenient maintenance of buffers in small internal cavity installation spaces, and also improves the overall operational stability and service life.
[0006] The technical solution adopted by this utility model to solve its technical problem is:
[0007] This utility model provides a hook head for a detachable buffer, which includes a limiting housing. The limiting housing contains a hook head assembly and a buffer push rod for driving the hook head assembly. The hook head assembly is slidably fitted in a limiting groove of the limiting housing. A connecting block is fixedly provided at the movable end of the buffer push rod. The hook head assembly includes a mounting base and a hook head element. The connecting block is detachably connected to the mounting base. The hook head element is assembled on the mounting base through a limiting structure. The hook head assembly is used to form a limiting contact with an external obstruction.
[0008] As described above, the hook of a detachable buffer has a limiting housing consisting of a first housing and a side plate housing. The limiting groove is formed in the first housing, and the side plate housing is provided with a limiting buckle, which engages with the first housing for limiting.
[0009] As described above, in a detachable buffer hook, the two ends of the connecting block are a connecting end and a limiting end, respectively. The limiting end is hinged to the mounting base by a pin, and the connecting end is fixedly connected to the movable end of the buffer push rod.
[0010] As described above, the hook of a detachable buffer has a guide post at one end of the mounting base, which is used to limit the sliding direction of the hook assembly; the bottom of the mounting base has a contoured groove adapted to the connecting block.
[0011] As described above, the hook of a detachable buffer has a bottom limiting part, which includes a limiting protrusion, at least one positioning guide post, and a first threaded hole; the top of the mounting base is a mating part, which includes a groove adapted to the limiting protrusion, a limiting hole adapted to the positioning guide post, and a second threaded hole coaxial with the first threaded hole; the hook element and the mounting base are fixedly connected by screws passing through the first threaded hole and the second threaded hole.
[0012] As described above, the hook of a detachable buffer has a top of a mounting base that is a limiting part, which includes a limiting protrusion, at least one positioning guide post, and a first threaded hole; the bottom of the hook element is a mating part, which includes a groove adapted to the limiting protrusion, a limiting hole adapted to the positioning guide post, and a second threaded hole coaxial with the first threaded hole; the hook element and the mounting base are fixedly connected by screws passing through the first threaded hole and the second threaded hole.
[0013] As described above, the hook of a detachable buffer has threaded mounting holes at both ends of the limiting housing, which are used to fix the limiting housing to an external device.
[0014] As described above, in a detachable buffer hook, the limiting end of the connecting block is provided as a hook-shaped protrusion, which is matched with the mounting base for limiting.
[0015] The beneficial effects of this utility model are as follows: The limiting housing provides installation and limiting functions for the buffer push rod, the hook assembly, and the connecting block. Simultaneously, it guides and limits the forward and backward sliding of the hook assembly, ensuring stable movement of the hook assembly along a preset direction. The buffer push rod provides power transmission and energy absorption, absorbing energy when the hook assembly collides with an external obstacle, reducing the impact force. The hook assembly is a core functional component, directly contacting the external obstacle, thus providing buffering. The connecting block 4 connects the buffer push rod and the hook assembly, ensuring power transmission while facilitating disassembly and maintenance of the hook assembly. The mounting base provides installation and limiting functions for the hook element, which directly engages with the external obstacle, achieving mechanical limiting through its shape.
[0016] The hook element and the mounting base are designed separately, which facilitates the installation and positioning of the hook assembly within the limiting housing, and also facilitates disassembly and maintenance. Through the coordinated operation of each component, the hook structure achieves detachability, movement stability, and buffering and limiting functions, making installation and maintenance convenient while ensuring reliable integration with external components. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] Figure 1 This is a schematic diagram of the structure of this utility model;
[0020] Figure 2 This is an exploded structural diagram of the present invention;
[0021] Figure 3 This is an exploded structural diagram of the limiting shell;
[0022] Figure 4 This is a structural diagram of the hook assembly, buffer push rod, and connecting block;
[0023] Figure 5 This is an exploded structural diagram of the hook assembly, buffer push rod, and connecting block;
[0024] Figure 6 This is a structural diagram of the hook element. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] like Figure 1 and Figure 6 As shown, in this embodiment, the present invention includes a limiting housing 1, wherein a hook assembly 3 and a buffer push rod 2 for driving the hook assembly 3 are provided inside the limiting housing 1; the hook assembly 3 is slidably fitted in the limiting groove 100 of the limiting housing 1, and a connecting block 4 is fixedly provided at the movable end of the buffer push rod 2; the hook assembly 3 includes a mounting base 30 and a hook element 31; the connecting block 4 is detachably connected to the mounting base 30; the hook element 31 is assembled on the mounting base 30 through a limiting structure; and the hook assembly 3 is used to form a limiting contact with an external obstruction. Therefore, the limiting housing 1 serves as the installation and protection foundation for the entire structure, providing installation and limiting functions for the buffer push rod 2, the hook assembly 3, and the connecting block 4. Simultaneously, it guides and limits the forward and backward sliding of the hook assembly 3, ensuring stable movement along a predetermined direction. The buffer push rod 2 provides power transmission and energy absorption, absorbing energy when the hook assembly 3 collides with external obstacles, reducing the impact force. The hook assembly 3 is a core functional component, directly contacting the external obstacle, thus providing buffering. The connecting block 4 connects the buffer push rod 2 and the hook assembly 3, ensuring power transmission while facilitating disassembly and maintenance of the hook assembly 3. The mounting base 30 provides installation and limiting functions for the hook element 31, which directly engages with the external obstacle, achieving mechanical limiting through its shape.
[0027] The hook element 31 and the mounting base 30 are designed separately, which facilitates the installation and positioning of the hook assembly 3 within the limiting housing 1, and also facilitates disassembly and maintenance. Through the coordinated cooperation of each component, the hook structure achieves detachability, movement stability, and buffer limiting function, which is convenient for installation and maintenance, and can reliably cooperate with external components.
[0028] Furthermore, in this embodiment, the limiting housing 1 is composed of a first housing 10 and a side plate housing 11. The limiting groove 100 is formed in the first housing 10, and the side plate housing 11 is provided with a limiting buckle 110, which engages with the first housing 10 for limiting. Therefore, the first housing 10 is the main frame of the limiting housing 1, providing the main mounting carrier for core components such as the hook assembly 3 and the buffer push rod 2, and providing basic support for the internal structure. The limiting groove 100 guides the movement of the hook assembly 3, strictly limiting the sliding trajectory of the hook assembly 3, ensuring its stable movement along the preset direction, and avoiding deviation or jamming. The side plate housing 11 provides support and limiting for the limiting buckle 110. The side plate housing 11 provides lateral supplement to the first housing 10 through the limiting buckle 110, mainly playing the role of lateral protection and limiting closure. The core function of the limiting buckle 110 is to realize the detachable connection and precise limiting between the first housing 10 and the side plate housing 11. It can be separated by simply deforming the buckle with external force, without the need for additional tools.
[0029] Furthermore, in this embodiment, the two ends of the connecting block 4 are a connecting end and a limiting end, respectively. The limiting end is hinged to the mounting base 30 via a pin, and the connecting end is fixedly connected to the movable end of the buffer push rod 2. Thus, the connecting block 4 engages with the mounting base 30 via a pin. The connecting block 4 adopts a functional separation design, distinguishing the functions of the connecting end and the limiting end. The connecting end ensures the rigidity of power transmission, while the limiting end achieves flexible limiting through hinge, avoiding structural jamming caused by rigid connections. The pin connection provides a low-friction rotation method, rather than a rigid connection, making assembly and disassembly easier, and facilitating maintenance and adjustment.
[0030] Furthermore, in this embodiment, one end of the mounting base 30 is provided with a guide post 300, which is used to limit the sliding direction of the hook assembly 3; the bottom of the mounting base 30 is provided with a contour groove 301 adapted to the connecting block 4. Thus, the guide post 300 is a sliding guide structure of the mounting base 30, guiding the hook assembly 3 as it slides within the limiting housing 1, ensuring that the hook assembly 3 moves along a predetermined straight line and preventing deviation or rotation. The contour groove 301 provides a limiting fit to the connecting block 4. The contour design allows for quick fitting with the connecting block 4, reducing assembly time and improving production efficiency.
[0031] Optionally, in this embodiment, the bottom of the hook element 31 is a limiting part, which includes a limiting protrusion, at least one positioning guide post, and a first threaded hole; the top of the mounting base 30 is a mating part, which includes a groove adapted to the limiting protrusion, a limiting hole adapted to the positioning guide post, and a second threaded hole coaxial with the first threaded hole; the hook element 31 and the mounting base 30 are fixedly connected by screws passing through the first threaded hole and the second threaded hole. Thus, as can be seen... Figure 5 As shown, the hook element 31 provides support and fixation for the limiting protrusion, two positioning guides, and the first threaded hole. The mounting base 30 provides support and fixation for the groove, the limiting hole, and the second threaded hole. The limiting protrusion and the positioning guides respectively engage with the groove and the limiting hole to achieve precise alignment between the hook element 31 and the mounting base 30, eliminate assembly errors, and prevent excessive displacement during assembly or operation. The screws engage with the first and second threaded holes to stably mount the hook element 31 on the mounting base 30. Furthermore, the screw connection facilitates quick replacement and maintenance.
[0032] Furthermore, in this embodiment, threaded mounting holes 101 are provided at both the left and right ends of the limiting housing 1. The threaded mounting holes 101 are used to fix the limiting housing 1 to an external device. Thus, the limiting housing 1 provides support and fixation for the threaded mounting holes 101. The threaded mounting holes 101, in conjunction with screws, fix the limiting housing 1 to the external device, ensuring its positional stability. The symmetrical distribution of the threaded mounting holes on both sides balances the force on the housing, avoiding deformation or vibration caused by unilateral fixing. Screw fixing allows for quick assembly and disassembly, facilitating maintenance or replacement of the limiting housing 1. Furthermore, while ensuring performance, it reduces design costs and has wide applicability.
[0033] Furthermore, in this embodiment, the limiting end of the connecting block 4 is configured as a hook-shaped protrusion 40, which engages with the mounting base 30 for limiting. Thus, the hook-shaped protrusion 40 is shaped like a "J," with its end engaging the limiting structure (groove 301) of the mounting base 30. This hook-shaped end engaging the limiting structure of the base prevents the connecting block 4 from dislodging under stress, improving system safety. The bending design of the hook-shaped protrusion 40 can disperse stress concentration and reduce the risk of material fatigue.
[0034] Example 2
[0035] Optionally, in this embodiment, the top of the mounting base 30 is a limiting part, which includes a limiting protrusion, at least one positioning guide post, and a first threaded hole; the bottom of the hook element 31 is a mating part, which includes a groove adapted to the limiting protrusion, a limiting hole adapted to the positioning guide post, and a second threaded hole coaxial with the first threaded hole; the hook element 31 and the mounting base 30 are fixedly connected by screws passing through the first threaded hole and the second threaded hole. Thus, this embodiment is the opposite design to the above embodiment, where the mating part of the hook element 31 integrates the groove, the limiting hole, and the second threaded hole, and the limiting protrusion, the two positioning guide posts, and the first threaded hole of the mounting base 30 serve a supporting and fixing function.
[0036] The working principle of this utility model is as follows:
[0037] The operator first removes the hook element 31 from the mounting base 30. The limiting housing 1 is then disassembled into a first housing 10 and a side plate housing 11. The buffer push rod 2, the connecting block 4, and the mounting base 30 are connected and fitted together. The buffer push rod 2 is then fitted onto the first housing 10. The side plate housing 11 is then reset and fitted onto the first housing 10. The hook element 31 is then fixed onto the mounting base 30 with screws. Finally, the present invention is assembled onto the door and window track to complete the assembly and achieve the buffer function.
[0038] It should be understood that the terms "first," "second," etc., are used in this utility model to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this utility model, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information. In addition, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0039] The above embodiments do not limit the scope of protection of this utility model. All equivalent modifications and variations made by those skilled in the art without departing from the overall concept of this utility model shall still fall within the scope of this utility model.
Claims
1. A hook for a detachable buffer, comprising a limiting housing (1), wherein the limiting housing (1) is provided with a hook assembly (3) and a buffer push rod (2) for driving the hook assembly (3); the hook assembly (3) is slidably fitted within a limiting groove (100) of the limiting housing (1), characterized in that: The movable end of the buffer push rod (2) is fixedly provided with a connecting block (4). The hook assembly (3) includes a mounting base (30) and a hook element (31). The connecting block (4) is detachably connected to the mounting base (30). The hook element (31) is assembled on the mounting base (30) through a limiting structure. The hook assembly (3) is used to form a limiting contact with external obstructions.
2. A hook head for a detachable buffer according to claim 1, characterised in that: The limiting housing (1) is composed of a first housing (10) and a side plate housing (11). The limiting groove (100) is opened in the first housing (10). The side plate housing (11) is provided with a limiting buckle (110) and is limited by engaging with the first housing (10) through the limiting buckle (110).
3. A hook head for a detachable buffer according to claim 1, wherein: The two ends of the connecting block (4) are a connecting end and a limiting end, respectively. The limiting end is hinged to the mounting base (30) by a pin, and the connecting end is fixedly connected to the movable end of the buffer push rod (2).
4. The hook of a detachable buffer according to claim 1, characterized in that: One end of the mounting base (30) is provided with a guide post (300), which is used to limit the sliding direction of the hook assembly (3); the bottom of the mounting base (30) is provided with a contour groove (301) that is adapted to the connecting block (4).
5. The hook of a detachable buffer according to claim 1, characterized in that: The bottom of the hook element (31) is a limiting part, which includes a limiting protrusion, at least one positioning guide post and a first threaded hole; the top of the mounting base (30) is a mating part, which includes a groove adapted to the limiting protrusion, a limiting hole adapted to the positioning guide post and a second threaded hole coaxial with the first threaded hole; the hook element (31) and the mounting base (30) are fixedly connected by screws passing through the first threaded hole and the second threaded hole.
6. The hook of a detachable buffer according to claim 1, characterized in that: The top of the mounting base (30) is a limiting part, which includes a limiting protrusion, at least one positioning guide post and a first threaded hole; the bottom of the hook element (31) is a mating part, which includes a groove adapted to the limiting protrusion, a limiting hole adapted to the positioning guide post and a second threaded hole coaxial with the first threaded hole; the hook element (31) and the mounting base (30) are fixedly connected by screws passing through the first threaded hole and the second threaded hole.
7. A detachable bumper hook according to claim 2, wherein: The limiting housing (1) is provided with threaded mounting holes (101) at both the left and right ends. The threaded mounting holes (101) are used to fix the limiting housing (1) to an external device.
8. A detachable bumper hook according to claim 3, wherein: The limiting end of the connecting block (4) is provided as a hook-shaped protrusion (40), which is in a limiting fit with the mounting base (30).