Elevator hydraulic buffer with adjusting function
By introducing limiting components into the elevator hydraulic buffer, rapid spring replacement and adaptation is achieved, solving the problem of spring vulnerability, extending the service life of the equipment and reducing maintenance costs.
Patent Information
- Application Number
- CN202422601991.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The springs in existing hydraulic buffers are prone to damage, resulting in frequent replacement and increased costs of use.
An elevator hydraulic buffer with adjustment function is designed, and the limiting assembly is adopted, including an assembly rod and a spring clamping needle. The spring clamping needle is movably connected to the spring. The outside of the spring clamping needle is easy to slide into the spring, realizing rapid spring replacement and limit adaptation.
It effectively extends the service life of the equipment, reduces the frequency of spring replacement, and reduces maintenance costs.
Smart Images
Figure CN223188732U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic buffers for elevators, in particular to an elevator hydraulic buffer with an adjustment function. Background Art
[0002] Hydraulic shock absorbers rely on hydraulic damping to slow objects acting on them to a stop, providing a degree of protection. They are suitable for use in machinery such as lifting and transportation, elevators, metallurgy, port machinery, and railway vehicles. They act as safety buffers to prevent damage to the mechanism caused by hard collisions during operation.
[0003] However, the hydraulic buffer in the prior art is internally installed with a spring. During actual use, the spring is a vulnerable part that is easily damaged first, so it needs to be replaced frequently. In order to ensure that the replacement frequency is not high, the hydraulic buffer in the prior art often adopts an integrated packaging design, which leads to an increase in the cost of using the hydraulic buffer, and there is room for improvement. Utility Model Content
[0004] The purpose of the utility model is to provide an elevator hydraulic buffer with an adjustment function to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator hydraulic buffer with an adjustment function, comprising an outer tube, an extension head and a base, one end of the extension head passing through the outer tube and extending to the outside of the outer tube, the other end of the extension head passing through the outer tube and fixedly connected to the extension head seat, an oil chamber for accommodating hydraulic oil is provided in the distance between the extension head seat and the extension head, a spring for buffering the extension head seat is provided in the distance between the base and the extension head seat, and a limiting component for limiting the spring is provided on one side of the base.
[0006] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, the limiting assembly includes an assembly rod and a spring clamping pin, the assembly rod is adapted to the extension head, and the spring clamping pin is movably engaged with the spring.
[0007] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, three groups of spring clamping pins are spirally arranged on the outside of the assembly rod with the assembly rod as the center line, the spring clamping pins and the spring are clamped with each other, and the outside of the spring clamping pins is fixedly connected with a means for sliding into the spring.
[0008] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, one side of the base is fixedly connected to a spring sleeve seat, and the interior of the spring sleeve is provided with a bowl-shaped structure adapted for the spring clamping pin.
[0009] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, a matching hole is opened inside the protruding head, a shock-absorbing pad is fixedly connected to one side of the matching hole, the assembly rod is adapted to the matching hole, and the assembly rod is movably connected to the shock-absorbing pad.
[0010] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, the interior of the outer cylinder is provided with an outer cylinder thread, the interior of the base is provided with a base thread, and the base thread is screwed together with the outer cylinder thread.
[0011] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function also includes a step, and the outer periphery of the connection between the outer cylinder thread and the base thread is sealed via the step.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. Since one end of the extension head passes through the outer cylinder and extends to the outside of the outer cylinder, the other end of the extension head passes through the outer cylinder and is fixedly connected to the extension head seat. An oil chamber for accommodating hydraulic oil is opened in the distance between the extension head seat and the extension head. A spring for buffering the extension head seat is arranged in the distance between the base and the extension head seat. A limit assembly for spring limitation is provided on one side of the base, and the limit assembly includes an assembly rod and a spring clamping pin. The assembly rod is adapted to the extension head, and the spring clamping pin is movably clamped with the spring. Therefore, the spring can be conveniently replaced through the limit assembly during use, which can effectively extend the service life of the equipment.
[0014] 2. Since the three groups of spring clamps are spirally arranged on the outside of the assembly rod with the assembly rod as the center line, the spring clamps and the springs are clamped with each other, and the outside of the spring clamps is fixedly connected with a device that facilitates sliding into the spring, so after the spring is replaced, it can be quickly limited and adapted with the spring clamps. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of an elevator hydraulic buffer with an adjustment function according to the present invention;
[0016] Figure 2 This is a structural diagram of a limit assembly in an elevator hydraulic buffer with an adjustment function according to the utility model;
[0017] Figure 3 This is a structural diagram of a step in an elevator hydraulic buffer with an adjustment function according to the utility model;
[0018] Figure 4 This utility model is an elevator hydraulic buffer with adjustment function Figure 1Enlarged view of point A in the middle;
[0019] In the figure: 1. Outer cylinder; 11. Outer cylinder thread; 2. Extension head; 21. Matching hole; 22. Shock-absorbing pad; 3. Base; 31. Base thread; 4. Spring sleeve; 5. Assembly rod; 6. Spring; 7. Spring pin; 8. Step; 9. Extension head seat; 10. Oil chamber. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or connected in an integral manner; they can be mechanically connected or electrically connected; they can be directly connected, indirectly connected through an intermediate medium, or they can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The following describes the embodiments of the present invention based on its overall structure.
[0022] In an embodiment of the utility model, an elevator hydraulic buffer with an adjustment function includes an outer tube 1, an extension head 2 and a base 3. One end of the extension head 2 passes through the outer tube 1 and extends to the outside of the outer tube 1. The other end of the extension head 2 passes through the outer tube 1 and is fixedly connected to the extension head seat 9. An oil chamber 10 for accommodating hydraulic oil is provided in the distance between the extension head seat 9 and the extension head 2. A spring 6 for buffering the extension head seat 9 is provided in the distance between the base 3 and the extension head seat 9. A limiting component for limiting the spring 6 is provided on one side of the base 3.
[0023] Since one end of the protruding head 2 passes through the outer cylinder 1 and extends to the outside of the outer cylinder 1, the other end of the protruding head 2 passes through the outer cylinder 1 and is fixedly connected to the protruding head seat 9. An oil chamber 10 for accommodating hydraulic oil is provided in the distance between the protruding head seat 9 and the protruding head 2. A spring 6 for buffering the protruding head seat 9 is provided in the distance between the base 3 and the protruding head seat 9. A limiting assembly for limiting the spring 6 is provided on one side of the base 3, and the limiting assembly includes an assembly rod 5 and a spring clamping pin 7. The assembly rod 5 is adapted to the protruding head 2, and the spring clamping pin 7 is movably clamped with the spring 6. Therefore, the spring 6 can be conveniently replaced through the limiting assembly during use, which can effectively extend the service life of the equipment.
[0024] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, the limiting assembly includes an assembly rod 5 and a spring clamping pin 7, the assembly rod 5 is adapted to the extension head 2, and the spring clamping pin 7 is movably engaged with the spring 6.
[0025] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, three groups of spring clamping pins 7 are spirally arranged on the outside of the assembly rod 5 with the assembly rod 5 as the center line, the spring clamping pins 7 and the spring 6 are clamped with each other, and the outside of the spring clamping pins 7 is fixedly connected with 71 for easy sliding into the spring 6.
[0026] Since the three groups of spring clamping pins 7 are spirally arranged on the outside of the assembly rod 5 with the assembly rod 5 as the center line, the spring clamping pins 7 and the spring 6 are clamped with each other, and the outside of the spring clamping pins 7 is fixedly connected with 71 which is convenient for sliding into the spring 6, so after the spring 6 is replaced, it can be quickly limited and adapted with the spring clamping pins 7.
[0027] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, one side of the base 3 is fixedly connected to a spring sleeve 4, and the interior of the spring sleeve 4 is provided with a bowl-shaped structure adapted to be engaged with a spring clamping pin 7.
[0028] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, a matching hole 21 is opened inside the protruding head 2, a shock-absorbing pad 22 is fixedly connected to one side of the matching hole 21, the assembly rod 5 is adapted to the matching hole 21, and the assembly rod 5 is movably connected to the shock-absorbing pad 22.
[0029] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function, the outer cylinder 1 is provided with an outer cylinder thread 11, the base 3 is provided with a base thread 31, and the base thread 31 is screwed together with the outer cylinder thread 11.
[0030] As a further solution of the present invention: an elevator hydraulic buffer with an adjustment function further includes a step 8, and the outer periphery of the connection between the outer cylinder thread 11 and the base thread 31 is sealed via the step 8.
[0031] The working principle of the present invention is: since one end of the protruding head 2 passes through the outer cylinder 1 and extends to the outside of the outer cylinder 1, the other end of the protruding head 2 passes through the outer cylinder 1 and is fixedly connected to the protruding head seat 9, an oil chamber 10 for accommodating hydraulic oil is provided in the distance between the protruding head seat 9 and the protruding head 2, and a spring 6 for buffering the protruding head seat 9 is provided in the distance between the base 3 and the protruding head seat 9, a limiting assembly for limiting the spring 6 is provided on one side of the base 3, and the limiting assembly includes an assembly rod 5 and a spring clamping pin 7, the assembly rod 5 is adapted to the protruding head 2, and the spring clamping pin 7 is movably clamped with the spring 6, so the spring 6 can be conveniently replaced through the limiting assembly during use, which can effectively extend the service life of the equipment.
[0032] Since the three groups of spring clamping pins 7 are spirally arranged on the outside of the assembly rod 5 with the assembly rod 5 as the center line, the spring clamping pins 7 and the spring 6 are clamped with each other, and the outside of the spring clamping pins 7 is fixedly connected with 71 which is convenient for sliding into the spring 6, so after the spring 6 is replaced, it can be quickly limited and adapted with the spring clamping pins 7.
[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An elevator hydraulic buffer with an adjustment function, characterized in that: The utility model comprises an outer cylinder (1), a protruding head (2) and a base (3); one end of the protruding head (2) passes through the outer cylinder (1) and extends to the outside of the outer cylinder (1); the other end of the protruding head (2) passes through the outer cylinder (1) and is fixedly connected to a protruding head base (9); an oil cavity (10) for accommodating hydraulic oil is provided in the distance between the protruding head base (9) and the protruding head (2); a spring (6) for buffering the protruding head base (9) is provided in the distance between the base (3) and the protruding head base (9); and a limiting component for limiting the spring (6) is provided on one side of the base (3).
2. The elevator hydraulic buffer with adjustment function according to claim 1, characterized in that: The limiting assembly comprises an assembly rod (5) and a spring clamping pin (7); the assembly rod (5) is adapted to the extension head (2); and the spring clamping pin (7) is movably clamped to the spring (6).
3. The elevator hydraulic buffer with adjustment function according to claim 2, characterized in that: The three groups of spring clamping pins (7) are spirally arranged on the outer side of the assembly rod (5) with the assembly rod (5) as the center line. The spring clamping pins (7) and the spring (6) are mutually clamped. The outer side of the spring clamping pins (7) is fixedly connected with (71) which is easy to slide into the spring (6).
4. The elevator hydraulic buffer with adjustment function according to claim 3, characterized in that: A spring sleeve (4) is fixedly connected to one side of the base (3), and the interior of the spring sleeve (4) is provided with a bowl-shaped structure adapted for the clamping of a spring clamping pin (7).
5. The elevator hydraulic buffer with adjustment function according to claim 4, characterized in that: A matching hole (21) is provided inside the protruding head (2), a shock-absorbing pad (22) is fixedly connected to one side of the matching hole (21), the assembly rod (5) is adapted to the matching hole (21), and the assembly rod (5) is movably connected to the shock-absorbing pad (22).
6. The elevator hydraulic buffer with adjustment function according to claim 5, characterized in that: An outer cylinder thread (11) is provided inside the outer cylinder (1), and a base thread (31) is provided inside the base (3), and the base thread (31) is screwed together with the outer cylinder thread (11).
7. The elevator hydraulic buffer with adjustment function according to claim 6, characterized in that: It also includes a step (8), and the outer periphery of the connection between the outer cylinder thread (11) and the base thread (31) is sealed via the step (8).