Pneumatic motor device

Abstract

The utility model provides a pneumatic motor device which comprises an outer air pressure column and a connecting shaft, a set of fastening shells used for being connected with and limiting the lower end of the outer air pressure column in a sealed mode are arranged on the outer side of the lower end of the outer air pressure column, and supports used for releasing air pressure of the outer air pressure column are arranged at the lower ends of the fastening shells. An embedding hole used for being embedded with the lower end of the outer air pressure column is formed in the upper end of the support, and an air pressure cavity used for storing air pressure released by the outer air pressure column is formed in the lower end of the embedding hole. The eccentric wheel is used for conducting transmission force of the lower supporting arm in a non-coaxial mode, the transmission groove is used for limiting the rotating position of the connecting shaft, the inner piston is used for conducting force on air pressure released by the outer air pressure column, and the outer limiting ring is used for limiting the position of the outer spinning wheel.

Description

Technical Field

[0001] The utility model belongs to the technical field of pneumatic motors and relates to a pneumatic motor device. Background Art

[0002] A pneumatic motor, also known as a wind motor, is a device that converts the pressure energy of compressed air into rotational mechanical energy. As a source of rotational power for more complex devices or machines, pneumatic motors are widely used in industries such as industry, manufacturing, construction, and transportation. As a device that uses compressed air as a power source, the structure of a pneumatic motor is usually complex and contains many sophisticated components. This complexity may cause a series of problems when used:

[0003] Since pneumatic motors contain many different parts, each with its own specific functions and requirements, maintenance of the overall equipment becomes relatively complicated. Operators need to understand the working principle and maintenance methods of each component to ensure the normal operation of the equipment. However, due to the uneven skill levels of operators, this may lead to improper maintenance, which in turn affects the performance and life of the equipment. Therefore, there is an urgent need for a pneumatic motor device to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a pneumatic motor device to solve the problems raised in the above background technology.

[0005] The utility model is realized by the following technical solutions: a pneumatic motor device, comprising: an outer air pressure column and a connecting shaft, wherein a group of fastening shells for sealingly connecting and limiting the lower end of the outer air pressure column are arranged on the outer side of the lower end of the outer air pressure column;

[0006] The lower end of the fastening shell is provided with a bracket for releasing air pressure to the external air pressure column, the upper end of the bracket is provided with an embedding hole for interlocking with the lower end of the external air pressure column, and the lower end of the embedding hole is provided with an air pressure cavity for storing the air pressure released by the external air pressure column;

[0007] An inner piston for bearing pressure is disposed in the middle of the air pressure chamber, and a lower arm for transmitting air pressure is disposed at the lower end of the inner piston. The air pressure of the inner piston can be converted into mechanical force by using the lower arm.

[0008] As a preferred embodiment, a group of fixed shafts for power connection to the moving force of the lower arm are provided in the middle position of the lower end of the lower arm, and an eccentric wheel for converting the power of the lower arm into eccentric force is provided on the rear side of the fixed shaft, so that the transmission force of the lower arm can be transmitted in a non-axial manner by using the eccentric wheel.

[0009] As a preferred embodiment, a group of embedded shafts for power transmission are provided inside the middle position of the eccentric wheel, a connecting shaft for power transmission is provided on the right side of the embedded shaft, and a group of transmission grooves for limiting the rotation position of the connecting shaft are provided on the outer side of the connecting shaft, and the rotation position of the connecting shaft can be limited by using the transmission grooves.

[0010] As a preferred embodiment, an outer rotating wheel is provided on the right side of the connecting shaft, a group of outer limiting rings for limiting the position of the connecting shaft are provided on the inner side of the right end of the outer rotating wheel, a group of support seats for supporting the gravity of the bracket are provided at the lower end of the bracket, and a base for support is provided at the lower end of the support seat.

[0011] As a preferred embodiment, the lower end of the external air pressure column is sealingly engaged with the inner wall of the upper end of the air pressure chamber, the lower end of the inner wall of the air pressure chamber is movably sealed and connected to the inner piston, and the lower end of the inner piston is movably connected to the upper end of the lower support arm through a set of rotating shafts, so that the air pressure released by the external air pressure column can be transmitted by using the inner piston.

[0012] As a preferred embodiment, the lower arm is connected to the upper end of the right oblique side of the middle position of the eccentric wheel through a fixed shaft, the fixed shaft and the embedded shaft are arranged in an off-axis manner, and the cross section of the eccentric wheel is a semicircular structure.

[0013] As a preferred embodiment, the embedded shaft and the connecting shaft are coaxially arranged, the connecting shaft passes through the interior of the transmission groove, a sealed bearing is provided inside the transmission groove, the inner side of the sealed bearing is connected and fixed to the outer side of the connecting shaft, an external thread is provided on the outer side of the right end of the connecting shaft, the right side of the connecting shaft is threadedly connected to the outer limit ring, and the outer limit ring is a limiting nut, which can limit the position of the outer rotating wheel by using the outer limit ring.

[0014] After adopting the above technical scheme, the beneficial effects of the utility model are: by using the lower support arm to convert the air pressure of the inner piston into mechanical force, by using the eccentric wheel to transmit the transmission force of the lower support arm in an off-axis manner, by using the transmission groove to limit the rotation position of the connecting shaft, by using the inner piston to transmit the air pressure released by the external air pressure column, and by using the external limit ring to limit the position of the outer rotating wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1It is a right side structural schematic diagram of a pneumatic motor device of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of a bracket in a pneumatic motor device of the utility model, viewed from the left oblique front side;

[0018] Figure 3 It is a left oblique front top view of the structure of a pneumatic motor device of the utility model when the lower support arm is connected to the eccentric wheel;

[0019] Figure 4 This is a left-side structural diagram of a pneumatic motor device of the utility model when the lower support arm is connected to the eccentric wheel;

[0020] In the figure: 100-external air pressure column, 110-fastening shell, 120-bracket, 130-embedded hole, 140-transmission groove, 150-support seat, 160-base, 170-external rotating wheel, 180-external limiting ring, 190-inner piston, 200-lower support arm, 210-fixed shaft, 220-eccentric wheel, 230-embedded shaft, 240-connecting shaft. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 A pneumatic motor device includes: an outer air pressure column 100, an inner piston 190, a lower arm 200 and a connecting shaft 240, and a set of fastening shells 110 for sealing and limiting the lower end of the outer air pressure column 100 are provided on the outer side of the lower end of the outer air pressure column 100;

[0023] The lower end of the fastening shell 110 is provided with a bracket 120 for releasing the air pressure to the external air pressure column 100, the upper end of the bracket 120 is provided with an embedding hole 130 for interlocking with the lower end of the external air pressure column 100, and the lower end of the embedding hole 130 is provided with an air pressure cavity for storing the air pressure released by the external air pressure column 100;

[0024] An inner piston 190 for bearing pressure is provided in the middle of the air pressure chamber, and a lower arm 200 for transmitting air pressure is provided at the lower end of the inner piston 190. The air pressure of the inner piston 190 can be converted into mechanical force by using the lower arm 200.

[0025] A set of fixed shafts 210 for power connection to the moving force of the lower arm 200 is provided in the middle position of the lower end of the lower arm 200, and an eccentric wheel 220 for converting the power of the lower arm 200 into eccentric force is provided on the rear side of the fixed shaft 210. The transmission force of the lower arm 200 can be transmitted in an off-axis manner by using the eccentric wheel 220.

[0026] A group of embedded shafts 230 for power transmission are provided inside the middle position of the eccentric wheel 220, a connecting shaft 240 for power transmission is provided on the right side of the embedded shaft 230, and a group of transmission grooves 140 for limiting the rotation position of the connecting shaft 240 are provided on the outside of the connecting shaft 240. The rotation position of the connecting shaft 240 can be limited by using the transmission grooves 140.

[0027] An outer rotating wheel 170 is provided on the right side of the connecting shaft 240, and a group of outer limiting rings 180 for limiting the position of the connecting shaft 240 are provided on the inner side of the right end of the outer rotating wheel 170. A group of support seats 150 for supporting the gravity of the bracket 120 are provided at the lower end of the bracket 120, and a base 160 for support is provided at the lower end of the support seat 150.

[0028] The lower end of the outer air pressure column 100 is sealed and engaged with the inner wall of the upper end of the air pressure chamber, the lower end of the inner wall of the air pressure chamber is movably and sealedly connected to the inner piston 190, and the lower end of the inner piston 190 is movably connected to the upper end of the lower support arm 200 through a set of rotating shafts, so that the air pressure released by the outer air pressure column 100 can be transmitted by using the inner piston 190.

[0029] The lower arm 200 is connected to the upper right oblique end of the middle position of the eccentric wheel 220 through a fixed shaft 210. The fixed shaft 210 and the embedded shaft 230 are arranged in an eccentric manner. The cross section of the eccentric wheel 220 is a semicircular structure.

[0030] The embedded shaft 230 and the connecting shaft 240 are coaxially arranged. The connecting shaft 240 passes through the transmission groove 140. A sealed bearing is provided inside the transmission groove 140. The inner side of the sealed bearing is fixedly connected to the outer side of the connecting shaft 240. An external thread is provided on the outer side of the right end of the connecting shaft 240. The right side of the connecting shaft 240 is threadedly connected to the outer limit ring 180. The outer limit ring 180 is a limit nut, which can limit the position of the outer rotating wheel 170 by using the outer limit ring 180.

[0031] See also Figure 1-Figure 4As the first embodiment of the utility model: In order to solve the problem that the pneumatic motor contains many different components, each component has its specific functions and requirements, which makes the maintenance of the overall equipment relatively complicated, however, due to the uneven skill levels of operators, this may lead to improper maintenance, thereby affecting the performance and life of the equipment. When the equipment is in use, its outer air pressure column 100 introduces the external air pressure into the air pressure chamber. Since the lower end of the outer air pressure column 100 is sealed and engaged with the inner wall of the upper end of the air pressure chamber, the lower end of the inner wall of the air pressure chamber is movably sealed and connected with the inner piston 190, the air pressure inside the air pressure chamber is converted into mechanical energy by squeezing the inner piston 190, and the power is transmitted to the eccentric wheel 220 end through the lower support arm 200. When the utility model needs to be maintained, it is only necessary to remove the fastening shell 110 and the fixed shaft 210, and the lower support arm 200, the outer air pressure column 100 and the inner piston 190 can be disassembled and replaced.

[0032] See also Figure 1-Figure 4 , as the second embodiment of the utility model: based on the description in the above embodiment, further, when the lower arm 200 transmits power to the eccentric wheel 220 through the fixed shaft 210, the power is transmitted to the epicycloid 170 through the embedded shaft 230 and the connecting shaft 240 inside the eccentric wheel 220, and the power is transmitted. Since a connecting shaft 240 for power transmission is provided on the right side of the embedded shaft 230, a group of transmission grooves 140 for limiting the rotation position of the connecting shaft 240 are provided on the outside of the connecting shaft 240. When the connecting shaft 240 rotates inside the transmission groove 140, its transmission groove 140 can limit the rotation position of the connecting shaft 240, thereby keeping the epicycloid 170 stable and reducing the friction of mechanical components.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic motor device, comprising: An outer air pressure column (100), an inner piston (190), a lower support arm (200) and a connecting shaft (240), characterized in that a set of fastening shells (110) for sealingly connecting and limiting the lower end of the outer air pressure column (100) are provided on the outer side of the lower end of the outer air pressure column (100); The lower end of the fastening shell (110) is provided with a bracket (120) for releasing air pressure to the external air pressure column (100); the upper end of the bracket (120) is provided with an embedding hole (130) for interlocking with the lower end of the external air pressure column (100); the lower end of the embedding hole (130) is provided with an air pressure cavity for storing air pressure released from the external air pressure column (100); An inner piston (190) for bearing pressure is provided at the middle position inside the air pressure chamber, and a lower support arm (200) for transmitting air pressure is provided at the lower end of the inner piston (190).

2. A pneumatic motor device according to claim 1, characterized in that: A set of fixed shafts (210) for power connection of the moving force of the lower arm (200) is provided at the middle position of the lower end of the lower arm (200), and an eccentric wheel (220) for converting the power of the lower arm (200) into eccentric force is provided at the rear side of the fixed shaft (210).

3. A pneumatic motor device according to claim 2, characterized in that: A group of embedded shafts (230) for power transmission are provided inside the middle position of the eccentric wheel (220), a connecting shaft (240) for power transmission is provided on the right side of the embedded shaft (230), and a group of transmission grooves (140) for limiting the rotation position of the connecting shaft (240) are provided on the outside of the connecting shaft (240).

4. A pneumatic motor device according to claim 3, characterized in that: An outer rotating wheel (170) is provided on the right side of the connecting shaft (240), a group of outer limiting rings (180) for limiting the position of the connecting shaft (240) are provided on the inner side of the right end of the outer rotating wheel (170), a group of support seats (150) for supporting the gravity of the support (120) are provided at the lower end of the support seat (150), and a base (160) for supporting is provided at the lower end of the support seat (150).

5. The pneumatic motor device according to claim 1, characterized in that: The lower end of the outer air pressure column (100) is sealed and engaged with the inner wall of the upper end of the air pressure chamber, the lower end of the inner wall of the air pressure chamber is movably sealed and connected to the inner piston (190), and the lower end of the inner piston (190) is movably connected to the upper end of the lower support arm (200) via a set of rotating shafts.

6. A pneumatic motor device according to claim 3, characterized in that: The lower support arm (200) is connected to the upper end of the right oblique side of the middle position of the eccentric wheel (220) via a fixed shaft (210); the fixed shaft (210) and the embedded shaft (230) are arranged in an off-axis manner; and the cross section of the eccentric wheel (220) is a semicircular structure.

7. A pneumatic motor device according to claim 4, characterized in that: The embedded shaft (230) and the connecting shaft (240) are coaxially arranged, the connecting shaft (240) passes through the transmission groove (140), a sealed bearing is provided inside the transmission groove (140), the inner side of the sealed bearing is connected and fixed to the outer side of the connecting shaft (240), the outer side of the right end of the connecting shaft (240) is provided with an external thread, the right side of the connecting shaft (240) is threadedly connected to the outer limit ring (180), and the outer limit ring (180) is a limit nut.

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