Power source for reciprocating rectilinear motion
By using a rod and piston made of high-hardness, tensile-strength engineering plastic, combined with the positioning and sliding cooperation of a metal support rod and a slider, the problem of selecting connecting rod materials in electromagnetically driven reciprocating linear motion was solved, achieving low-cost and high-efficiency reciprocating linear motion.
Patent Information
- Application Number
- CN202423093155.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing electromagnetically driven reciprocating linear motion structures, it is difficult to achieve wear resistance, high hardness, and tensile strength in the connecting rod material, resulting in high cost or difficulty in achieving both performance.
The rod and piston are made of high-hardness, tensile-strength engineering plastic. Combined with the positioning and sliding cooperation of the metal support rod and the slider, the friction of the coil frame is reduced, and the piston is driven by magnetic force to perform reciprocating linear motion.
It reduces frictional loss in the coil frame, decreases material costs, increases the flexibility and economy of material selection, and has a simple structure.
Smart Images
Figure CN223809683U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses reciprocating motion mechanical technical field, especially relates to a power source for reciprocating linear motion. BACKGROUND
[0002] There are many power sources for reciprocating linear motion, such as electric push rod, utilizing the principle of screw nut screw, such as piston crank mechanism, converting chemical energy into kinetic energy of reciprocating motion through oil gas combustion. The power source for reciprocating linear motion is widely used, but the structure of reciprocating linear motion driven by electromagnet is rarely seen.
[0003] High wear-resistant engineering plastic material is made into piston cylinder, iron core piston or magnet piston is adopted, a plurality of coils are arranged outside the piston cylinder, magnetic force is generated through the control of on-off electricity, voltage and current size and conduction direction of the coil, and the iron core piston or magnet piston is adsorbed or pushed to carry out reciprocating linear motion. But it is found through test that if the piston is connected with connecting rod, in order to avoid electromagnetic interference, the connecting rod needs to adopt nonmetal material, because the connecting rod needs to have the performance of wear resistance, high hardness and tensile resistance, and the nonmetal material meeting the requirements is either extremely high in cost or difficult to consider the above-mentioned performance.
[0004] How to design a power source for reciprocating linear motion to solve the above problems is a technical problem to be solved at present. CONTENT OF THE UTILITY MODEL
[0005] The utility model discloses a power source for reciprocating linear motion, in order to solve the above technical problem.
[0006] The utility model adopts the technical scheme as follows:
[0007] The power source for reciprocating linear motion, including support frame, coil frame, at least two coils along the axis arrangement arranged in the coil frame, the cross frame arranged at the top of support frame, the high hard tensile engineering plastic material's suspender arranged at the bottom of cross frame and the piston fixed at the bottom of suspender, a plurality of vertical positioning sliding grooves are evenly distributed on the support frame along the circumference, the coil frame includes the inner frame of high hard tensile engineering plastic material, outer frame, the annular top frame connected with the inner frame and outer frame and the bottom frame used for connecting with connecting rod, the coil is fixed between the inner frame and outer frame, the outer side of outer frame is provided with the sliding block used for positioning sliding cooperation with vertical positioning sliding groove, the piston is located in the inner part of coil frame, and the piston and suspender all have the gap with coil frame.
[0008] Preferably, the support frame includes a plurality of circumferentially uniformly arranged support columns, and an annular top plate is fixed at the top of each support column, and the cross frame is fixed on the annular top plate.
[0009] Preferably, the inner frame comprises a plurality of inner support rods made of high-hard tensile engineering plastic material, the outer frame comprises a plurality of outer support rods arranged uniformly in the circumferential direction, the outer support rods are metal support rods, and the sliding blocks are fixed to the outer sides of the metal support rods.
[0010] Preferably, an oil box is fixed to the inner side of the outer support rod, and the oil box is connected to the sliding block through a conduit.
[0011] Preferably, the chassis is made of high-hard tensile engineering plastic material.
[0012] Preferably, a hinge plate and a hinge shaft are arranged on the chassis, and the connecting rod is rotatably hinged to the hinge plate through the hinge shaft.
[0013] The power source for reciprocating linear motion has the following beneficial effects: coils are energized in a set order, after energization, corresponding coils and iron core pistons are attracted, corresponding coils and magnet pistons are attracted or repelled, for example, the coils are attracted first and then repelled, mutual assistance is provided, under the same performance requirement, the arrangement spacing of the coils can be increased, and thus the cost is reduced; under the action of a magnetic force, the coil frame is positioned and slid through a sliding block, and linear reciprocating sliding is performed along a support frame; the pistons are located inside the coil frame, and the pistons and the hangers have gaps with the coil frame; the hangers and the pistons do not need to participate in friction, the performance requirement is greatly reduced, low-cost materials are convenient to use, the chassis is the same, and the outer frame of the coil frame can be a metal frame, which shares the tensile force of the inner frame and the chassis; similarly, the inner frame does not participate in friction, the performance requirement is reduced, the material selection is more free and cheap, the design is ingenious, and the structure is simple. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 FIG. 1 is a structural schematic view of a power source for reciprocating linear motion in the embodiment of the utility model.
[0015] Fig. 2 FIG. 2 is a top view of the power source for reciprocating linear motion in the embodiment of the utility model. DETAILED DESCRIPTION
[0016] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model 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 utility model.
[0017] Embodiment 1
[0018] The power source for reciprocating linear motion is like Figs. 1-2, including support frame, coil frame, at least two coils 7 arranged along the axis in the coil frame, cross frame 4 arranged at the top of the support frame, high-hardness and high-tensile engineering plastic material hanging rod 10 arranged at the bottom of the cross frame, and piston 11 fixed at the bottom of the hanging rod, a plurality of vertical positioning sliding grooves 3 are uniformly distributed on the support frame in the circumferential direction, the coil frame comprises an inner frame 6 of high-hardness and high-tensile engineering plastic material, an outer frame 5, a ring-shaped top frame 15 connecting the inner frame and the outer frame, and a bottom frame 16 for connecting the connecting rod 14, in the embodiment, three coils 7 are arranged and fixed between the inner frame and the outer frame, the outer side of the outer frame is provided with a sliding block 8 for positioning and sliding cooperation with the vertical positioning sliding groove, the piston is located inside the coil frame, and the piston and the hanging rod both have a gap with the coil frame. The support frame comprises a plurality of support columns 2 arranged uniformly in the circumferential direction, and a ring-shaped top plate 1 fixed at the top of each support column, and the cross frame 4 is fixed on the ring-shaped top plate 1.
[0019] The inner frame comprises a plurality of inner support rods 17 of high-hardness and high-tensile engineering plastic material, the outer frame comprises a plurality of outer support rods 18 arranged uniformly in the circumferential direction, the outer support rod is a metal support rod, and the sliding block 8 is fixed on the outer side of the metal support rod, in the embodiment, two sliding blocks are arranged on the outer side of each metal support rod from bottom to top. The inner side of the outer support rod is fixed with an oil box 9, and the oil box is connected with the sliding block through a conduit. The bottom frame is made of high-hardness and high-tensile engineering plastic material, and can be a plate-shaped bottom frame in order to increase the strength. The bottom frame is provided with a hinged plate 13 and a hinged shaft 12, and the connecting rod 14 is hingedly connected to the hinged plate through the hinged shaft.
[0020] In the embodiment, the high-hardness and high-tensile engineering plastic material is a prior art, such as PEEK (polyether ether ketone) modified plastic, PET (polyethylene terephthalate) nanocomposite material and PA66 (polyhexamethylene adipamide) modified material developed by Jiangsu Xinfuda Composite Material Co., Ltd., and the like, and the embodiment can adopt the H7230CF2MS type engineering plastic and the X1308 type engineering plastic of the company.
[0021] The utility model discloses the beneficial effects: reciprocating linear motion power source, coil is electrified according to the set order, after electrifying, corresponding coil and iron core piston attract, corresponding coil and magnet piston attract or repel, such as the former attraction and the latter repulsion, mutual power, under the same performance requirement, can increase the arrangement interval of coil, and then reduce the cost, under the action of magnetic force, the coil frame is positioned and slid through the sliding block, and reciprocatingly slides along the support frame, the piston is located inside the coil frame, and the piston and the hanging rod both have a gap with the coil frame, the hanging rod and the piston do not have to participate in friction, the performance requirement is greatly reduced, it is convenient for low -cost material, and the bottom frame is the same, the outer frame of the coil frame can adopt the metal frame, shares the pull of the inner frame and the bottom frame, also, the inner frame does not participate in friction, the performance requirement is reduced, the material selection is more free and cheap, the design is ingenious, and the structure is simple.
[0022] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A power source for reciprocating linear motion, characterized by: The support frame, the coil frame, at least two coils arranged along the axis in the coil frame, the cross frame on the top of the support frame, the high-hard and tensile engineering plastic material hanging rod on the bottom of the cross frame, and the piston fixed on the bottom of the hanging rod, a plurality of vertical positioning sliding grooves are uniformly distributed on the support frame, the coil frame includes an inner frame, an outer frame, a ring-shaped top frame connecting the inner frame and the outer frame, and a bottom frame for connecting the connecting rod, the coil is fixed between the inner frame and the outer frame, the outer side of the outer frame is provided with a sliding block for positioning sliding cooperation with the vertical positioning sliding groove, the piston is located inside the coil frame, and the piston and the hanging rod have gaps with the coil frame, and the piston is an iron core piston or a magnet piston.
2. The power source for reciprocating linear motion according to claim 1, characterized by: The support frame includes a plurality of circumferentially uniformly arranged support columns and a ring-shaped top plate fixed on the top of each support column, and the cross frame is fixed on the ring-shaped top plate.
3. The power source for reciprocating linear motion according to claim 1, characterized by: The inner frame includes a plurality of high-hard and tensile engineering plastic material inner support rods, the outer frame includes a plurality of circumferentially uniformly arranged outer support rods, the outer support rod is a metal support rod, and the sliding block is fixed on the outer side of the metal support rod.
4. The power source for reciprocating linear motion according to claim 3, characterized by: The inner side of the outer support rod is fixed with an oil box, and the oil box is connected with the sliding block through a conduit.
5. The power source for reciprocating linear motion according to claim 1, characterized by: The bottom frame is made of high-hard and tensile engineering plastic material.
6. The power source for reciprocating linear motion according to claim 1, characterized by: The bottom frame is provided with a hinged plate and a hinged shaft, and the connecting rod is hingedly connected to the hinged plate through the hinged shaft.