Double-shifting-fork double-output pneumatic actuator
By designing a double-fork, double-output pneumatic actuator, the piston drives the push rod and pin to achieve the rotation of two forks, solving the problem that a single fork actuator cannot provide multiple torque outputs and achieving wider applicability.
Patent Information
- Application Number
- CN202520639122.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing single-fork pneumatic actuators can only provide one torque output, which cannot meet the valve requirements of multiple torque inputs.
A dual-fork, dual-output pneumatic actuator was designed. Two pins are set on the push rod to connect two forks respectively. The linear motion of the piston in the cylinder drives the push rod and pins to achieve clockwise and counterclockwise rotation of the two forks, providing two torque outputs respectively.
It achieves dual torque output function, expands the scope of application, and meets the usage requirements of various torque input valves.
Smart Images
Figure CN223806384U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of pneumatic actuator, concretely is a double output pneumatic actuator of double shift fork. BACKGROUND
[0002] The existing shift fork pneumatic actuator generally includes a cylinder, a piston is arranged in the cylinder, the piston is sealed with the cylinder through an O-shaped ring, a push rod is arranged on the piston, a pin is arranged on the push rod, the cylinder is connected with a box, the push rod penetrates through the cylinder and the box, a shift fork is arranged on the box, the shift fork is connected with the push rod through the pin, and a torque output hole is arranged on the shift fork to output torque from the torque output hole.
[0003] However, the existing single shift fork pneumatic actuator only provides a torque output function and can only be applied to valves with single torque input, which cannot meet the use requirements of people. CONTENT OF THE UTILITY MODEL
[0004] To achieve the above-mentioned purpose, the utility model aims at providing a double output pneumatic actuator of double shift fork, which can solve the problems in the background art. The utility model provides the following technical scheme:
[0005] A double output pneumatic actuator of double shift fork includes a cylinder body, first and second air holes are arranged on the cylinder body, a piston is installed in the cylinder body and is sealingly connected with the cylinder body through a sealing element, a push rod is arranged on the piston, a box is connected to the cylinder body, the push rod penetrates through the cylinder body and the box, first and second shift forks are arranged on the box, first and second pins are arranged on the push rod, the first shift fork is connected with the push rod through the first pin, the second shift fork is connected with the push rod through the second pin, a first torque output hole is arranged on the first shift fork, a second torque output hole is arranged on the second shift fork, the first shift fork can rotate around the center of the first torque output hole, and the second shift fork can rotate around the center of the second torque output hole. The working process of the product is as follows: when the first air hole 11 of the cylinder 1 is supplied with air and the second air hole 12 is exhausted, the piston 2 moves towards the box 13 under the driving of the air source, and simultaneously, the piston 2 drives the push rod 3 to move synchronously in a straight line, the first and second pins 5 and 7 on the push rod 3 synchronously drive the first and second shift forks 4 and 6 to rotate in a clockwise direction; when the first air hole 11 of the cylinder 1 is exhausted and the second air hole 12 is supplied with air, the piston 2 moves away from the box 13 under the driving of the air source, and simultaneously, the piston 2 drives the push rod 3 to move synchronously in a straight line, the first and second pins 5 and 7 on the push rod 3 synchronously drive the first and second shift forks 4 and 6 to rotate in an anticlockwise direction; the first and second shift forks 4 and 6 respectively provide torque for the first and second torque output holes 9 and 10.
[0006] As a further scheme of the utility model: the sealing element is made of rubber material, is easily bought in the market, is convenient for processing and has good use effect.
[0007] As a further scheme of the utility model: the sealing element is made of a sealing ring, is easily bought in the market and is convenient for replacement in the later period.
[0008] As a further scheme of the utility model: the sealing element is made of an O-shaped ring, has good use stability and good sealing effect.
[0009] As a further scheme of the utility model: the cylinder body is made of aluminum alloy material, raw materials are easily obtained, cost is low and processing is convenient.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] The product provides two torque output functions through the mode that two shift forks are connected with push rods respectively, the application range is more extensive and the use requirement of people can be met. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a sectional view of the double-shift fork double-output pneumatic actuator in the embodiment of the utility model.
[0013] Figure 2 It is a schematic view of the double-shift fork double-output pneumatic actuator when working in the embodiment of the utility model.
[0014] In the drawing: 1 - cylinder body;2 - piston;3 - push rod;4 - first shift fork;5 - first pin;6 - second shift fork;7 - second pin;8 - sealing element;9 - first torque output hole;10 - second torque output hole;11 - first air hole;12 - second air hole;13 - box body. DETAILED DESCRIPTION
[0015] The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0016] The specific implementation of the utility model will be described in detail in combination with specific embodiments.
[0017] Please refer to Figure 1The utility model discloses a kind of double yokes double output pneumatic actuators provided in the embodiment, including cylinder body 1, first air hole 11 and second air hole 12 are provided on cylinder body 1, piston 2 is installed in cylinder body 1 and piston 2 is sealed connection with cylinder body 1 by sealing element 8, push rod 3 is equipped on piston 2, box 13 is connected on the cylinder body 1, push rod 3 penetrates cylinder body 1 and box 13, first yoke 4 and second yoke 6 are provided on box 13, first pin 5 and second pin 7 are equipped on push rod 3, first yoke 4 is connected with push rod 3 by first pin 5, second yoke 6 is connected with push rod 3 by second pin 7, first moment output hole 9 is equipped on first yoke 4, second moment output hole 10 is equipped on second yoke 6, first yoke 4 can rotate around the center of first moment output hole 9, second yoke 6 can rotate around the center of second moment output hole 10, the working process of the product is as follows: when first air hole 11 on cylinder 1 admits air, and second air hole 12 exhausts, under the impetus of gas source, piston 2 moves to the direction of box 13, while piston 2 drives push rod 3 to carry out synchronous straight line motion, first pin 5 and second pin 7 on push rod 3 synchronously drive first yoke 4 and second yoke 6 to rotate in clockwise direction, as shown in Figure 2 ; when first air hole 11 on cylinder 1 exhausts, and second air hole 12 admits air, under the impetus of gas source, piston 2 moves to the direction of being away from box 13, while piston 2 drives push rod 3 to carry out synchronous straight line motion, first pin 5 and second pin 7 on push rod 3 synchronously drive first yoke 4 and second yoke 6 to rotate in counterclockwise direction, as shown in Figure 2 ; first yoke 4 and second yoke 6 provide moment for first output moment hole 9 and second output moment hole 10 respectively, and the product has the function of two moment outputs.
[0018] In one embodiment of the utility model, sealing element 8 is made of rubber material, which is easily available in the market, easy to process, and has good use effect.
[0019] In one embodiment of the utility model, sealing element 8 is a sealing ring, which is easily available in the market and easy to replace later.
[0020] In one embodiment of the utility model, sealing element 8 is an O-ring, which has good stability and good sealing effect.
[0021] In one embodiment of the utility model, cylinder body 1 is made of aluminum alloy material, which is easy to obtain and has low cost, and is easy to process.
[0022] It should be noted that in the utility model, unless another explicit provision and limitation, the term "fixed", "set" and other terms should be broad understanding, for example, can be welding connection, can also be bolted connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through the intermediate medium, can be two elements inside the communication or the interaction relationship of two elements, unless otherwise explicitly limited. For those of ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A double-rocker dual-output pneumatic actuator comprising a cylinder body, a first air hole and a second air hole are arranged on the cylinder body, a piston is installed in the cylinder body and the piston is sealingly connected with the cylinder body through a sealing element, a push rod is arranged on the piston, and a box body is connected to the cylinder body, characterized in that, The push rod penetrates the cylinder body and the box body, the box body is provided with a first shift fork and a second shift fork, the push rod is provided with a first pin and a second pin, the first shift fork is connected with the push rod through the first pin, the second shift fork is connected with the push rod through the second pin, the first shift fork is provided with a first torque output hole, and the second shift fork is provided with a second torque output hole.
2. The dual-pawl dual-output pneumatic actuator of claim 1, wherein, The sealing member is made of rubber material.
3. Double-pawl double-output pneumatic actuator according to claim 1 or 2, characterized in that The sealing member is a sealing ring.
4. The dual-pawl dual-output pneumatic actuator of claim 3, wherein, The sealing member is an O-shaped ring.
5. The dual-pawl dual-output pneumatic actuator of claim 1, wherein, The cylinder body is made of aluminum alloy material.