Mechanical limiting device with telescopic function
Through the coordinated design of steel cables, swing arms, and movable frames, the problem of telescopic control of traditional mechanical tie rods under installation and space constraints is solved, achieving efficient control and easy installation of movable pins, and making it suitable for complex mechanical structures.
Patent Information
- Application Number
- CN202423294108.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional mechanical tie rods are difficult to effectively control the extension and retraction of the movable pin when installation and space are limited, resulting in installation difficulties and low efficiency.
The device employs a linkage design involving components such as steel cables, swing arms, movable frames, and connecting rods. The extension and retraction of the movable pin is controlled by the steel wire rope inside the steel cable and the rollers of the swing arm, avoiding stringent requirements on the installation plane position and enhancing the flexibility and ease of installation of the device.
It achieves efficient extension and retraction control of the movable pin, is suitable for complex mechanical structures, simplifies the installation process, and reduces maintenance costs.
Smart Images
Figure CN223563173U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical positioner technical field, specifically a kind of mechanical positioner with telescopic function. BACKGROUND
[0002] In many mechanical devices and industrial application scenarios, it is often necessary to control the extension and contraction of components such as movable pins to achieve specific mechanical functions or meet the operation needs under different working conditions. The traditional method for controlling the extension and contraction of movable pins mostly uses mechanical pull rods for connection and linkage. However, this method has many limitations.
[0003] For example, in some more complex mechanical structures, due to the strict limitation of installation plane position, the installation of mechanical pull rods may face the problem of insufficient space, making it difficult to set up according to the ideal layout. Moreover, when the space is narrow, the installation difficulty will further increase, and even normal installation may not be possible.
[0004] Therefore, the utility model provides a mechanical positioner with telescopic function to solve the above problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a mechanical positioner with telescopic function to solve the above problems.
[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a mechanical positioner with telescopic function, comprising a bottom frame and a support frame, the support frame is fixedly installed on the top of the bottom frame, a handle is rotatably connected to the top of the support frame, a steel cable is fixedly installed between the top of the bottom frame and the top of the support frame, a swing arm support frame is fixedly installed at the bottom of the bottom frame, a swing arm is rotatably connected to the inner side of the swing arm support frame, and a swing arm roller is rotatably connected to the right side end of the swing arm.
[0007] Preferably, the outer shell of the steel cable is fixedly installed between the bottom frame and the support frame, the top of the steel wire rope inside the steel cable is rotatably connected to the side of the handle, and the bottom of the steel wire rope inside the steel cable is rotatably connected to the left side of the swing arm.
[0008] Preferably, an activity pin seat is fixedly installed at the bottom of the bottom frame, an activity pin is slidably connected inside the activity pin seat, a spring is fixedly installed inside the activity pin seat, and the spring is sleeved on the outer side of the activity pin.
[0009] Preferably, the bottom of the activity pin is located below the activity pin seat, and the top of the activity pin is located above the activity pin seat.
[0010] Preferably, the outer side of the movable pin seat is rotationally connected with a movable frame, and a connecting rod is hinged between the bottom of the movable frame and the bottom of the movable pin.
[0011] Preferably, the swing arm roller is attached to the left side of the movable frame.
[0012] Beneficial effects
[0013] The utility model provides a mechanical limiting device with telescopic function, which has the following beneficial effects compared with the prior art:
[0014] 1. The mechanical limiting device with telescopic function realizes telescopic control of the movable pin through the ingenious cooperation between the steel cable, swing arm, movable frame, and connecting rod, and the linkage design between the components makes the force transmission more direct and efficient, effectively avoids the efficiency loss that may occur in the force transmission process of traditional mechanical pull rods, quickly responds to operation instructions, and ensures the overall efficient operation of the device.
[0015] 2. The mechanical limiting device with telescopic function no longer relies on the conventional mechanical pull rod, which has strict requirements for the installation plane position, and can be flexibly installed in a relatively cramped space or a special installation plane layout, and the movement cooperation between the components will not be hindered by space limitations, greatly expanding its application range and making it applicable to more complex mechanical structure scenarios.
[0016] 3. The mechanical limiting device with telescopic function does not require complex space layout adjustment and accurate pull rod alignment during installation, the connection relationship between the components is relatively clear and simple, the installation process is more convenient and fast, and the structure is convenient for component inspection, maintenance, and replacement during subsequent maintenance, which can effectively reduce maintenance costs and save maintenance time. BRIEF DESCRIPTION OF DRAWINGS
[0017] To more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.
[0018] Fig. 1 is the telescopic structure diagram of the movable pin of the present utility model;
[0019] Fig. 2 is the telescopic structure diagram of the movable pin of the present utility model.
[0020] In the figure: 1, handle; 2, steel cable; 3, swing arm; 4, swing arm support frame; 5, swing arm roller; 6, movable frame; 7, connecting rod; 8, movable pin seat; 9, movable pin; 10, spring; 11, bottom frame; 12, support frame. DETAILED DESCRIPTION
[0021] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, top, bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connected" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] The present application will be further described in detail below with the aid of drawings and examples.
[0023] Reference Figs. 1-2 The embodiments of the present application provide a mechanical limiting device with telescopic function, which comprises a bottom frame 11 and a support frame 12, the support frame 12 is fixedly installed on the top of the bottom frame 11, the top of the support frame 12 is rotatably connected with a handle 1, the top of the bottom frame 11 and the top of the support frame 12 are fixedly installed with a steel cable 2, the bottom of the bottom frame 11 is fixedly installed with a swing arm support frame 4, the inner side of the swing arm support frame 4 is rotatably connected with a swing arm 3, and the right side end of the swing arm 3 is rotatably connected with a swing arm roller 5. The shell of the steel cable 2 is fixedly installed between the bottom frame 11 and the support frame 12, the top of the steel wire rope inside the steel cable 2 is rotatably connected with the side of the handle 1, and the bottom of the steel wire rope inside the steel cable 2 is rotatably connected with the left side of the swing arm 3.
[0024] The bottom of the bottom frame 11 is fixedly installed with a movable pin seat 8, the inside of the movable pin seat 8 is slidably connected with a movable pin 9, the inside of the movable pin seat 8 is fixedly installed with a spring 10, and the spring 10 is sleeved on the outside of the movable pin 9. The bottom of the movable pin 9 is below the movable pin seat 8, and the top of the movable pin 9 is above the movable pin seat 8. The outside of the movable pin seat 8 is rotatably connected with a movable frame 6, and the bottom of the movable frame 6 and the bottom of the movable pin 9 are hingedly connected with a connecting rod 7. The swing arm roller 5 is attached to the left side of the movable frame 6.
[0025] In this embodiment, when the movable pin 9 is retracted, the lower handle 1 is operated, the steel wire in the steel cable 2 is moved to the right position, the swing arm 3 is rotated clockwise by the steel wire inside the steel cable 2, the swing arm roller 5 acts on the plane of the movable frame 6, so that the movable frame 6 is displaced counterclockwise, the connecting rod 7 is moved and acts on the movable pin 9 by the movable frame 6, so that the movable pin 9 overcomes the force of the spring 10, and the movable pin 9 is retracted into the inside of the movable pin seat 8; when the movable pin 9 is extended, the upper handle 1 is operated, the internal associated movement is opposite to the above, the swing arm roller 5 is away from the movable frame 6, and the movable pin 9 is extended from the inside of the movable pin seat 8 under the rebounding force of the internal spring 10; this adjustment mode is suitable for a mechanical movable pin device with a long distance, is connected and moved by a conventional mechanical pull rod, has the advantages of high transmission efficiency, no influence of installation plane position and small space, strong applicability, convenient installation and maintenance, and the like.
[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.
[0027] Working principle: when the movable pin 9 is retracted, the lower handle 1 is operated, the steel wire in the steel cable 2 is moved to the right position, the swing arm 3 is rotated clockwise by the steel wire inside the steel cable 2, the swing arm roller 5 acts on the plane of the movable frame 6, so that the movable frame 6 is displaced counterclockwise, the connecting rod 7 is moved and acts on the movable pin 9 by the movable frame 6, so that the movable pin 9 overcomes the force of the spring 10, and the movable pin 9 is retracted into the inside of the movable pin seat 8; when the movable pin 9 is extended, the upper handle 1 is operated, the internal associated movement is opposite to the above, the swing arm roller 5 is away from the movable frame 6, and the movable pin 9 is extended from the inside of the movable pin seat 8 under the rebounding force of the internal spring 10.
[0028] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms “include”, “contain” or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.
[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A mechanical limiting device with telescopic function, comprising a bottom frame (11) and a supporting frame (12), characterized in that: The support frame (12) is fixedly installed on the top of the bottom frame (11), the top of the support frame (12) is rotatably connected with the handle (1), the top of the bottom frame (11) and the top of the support frame (12) are fixedly installed with the steel cable (2), the bottom of the bottom frame (11) is fixedly installed with the swing arm support frame (4), the inner side of the swing arm support frame (4) is rotatably connected with the swing arm (3), and the right side end of the swing arm (3) is rotatably connected with the swing arm roller (5).
2. The mechanical limiting device with telescopic function according to claim 1, characterized in that: The outer shell of the steel cable (2) is fixedly installed between the bottom frame (11) and the support frame (12), the top of the steel wire rope in the steel cable (2) is rotatably connected with the side of the handle (1), and the bottom of the steel wire rope in the steel cable (2) is rotatably connected with the left side of the swing arm (3).
3. The mechanical limiting device with telescopic function according to claim 1, characterized in that: The bottom of the bottom frame (11) is fixedly installed with the movable pin seat (8), the inside of the movable pin seat (8) is slidably connected with the movable pin (9), the inside of the movable pin seat (8) is fixedly installed with the spring (10), and the spring (10) is sleeved on the outside of the movable pin (9).
4. The mechanical limiting device with telescopic function according to claim 3, characterized in that: The bottom of the movable pin (9) is below the movable pin seat (8), and the top of the movable pin (9) is above the movable pin seat (8).
5. The mechanical stop device with telescopic function according to claim 4, characterized in that: The outside of the movable pin seat (8) is rotatably connected with the movable frame (6), and the bottom of the movable frame (6) and the bottom of the movable pin (9) are hinged with the connecting rod (7).
6. The mechanical stop device with telescopic function according to claim 5, characterized in that: The swing arm roller (5) is attached to the left side of the movable frame (6). The bottom of the bottom frame (11) is fixedly installed with the movable pin seat (8), the inside of the movable pin seat (8) is slidably connected with the movable pin (9), the inside of the movable pin seat (8) is fixedly installed with the spring (10), and the spring (10) is sleeved on the outside of the movable pin (9).