CN210383582U - Sutra rotating cylinder - Google Patents
Sutra rotating cylinder Download PDFInfo
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- CN210383582U CN210383582U CN201921449875.4U CN201921449875U CN210383582U CN 210383582 U CN210383582 U CN 210383582U CN 201921449875 U CN201921449875 U CN 201921449875U CN 210383582 U CN210383582 U CN 210383582U
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Abstract
The utility model discloses a prayer wheel, which comprises a prayer wheel body and a base, wherein the prayer wheel body is coaxially arranged above the base and is connected through a rotating part, and a driving part connected with the rotating part is arranged inside the base; the rotating part comprises a connecting shaft which coaxially penetrates through the cylinder body, the lower end of the connecting shaft is connected with a middle shaft, and the middle shaft is in rotating fit with the base through a bearing; the driving part comprises a motor arranged in the base. Has the advantages that: the rotating part between the cylinder body and the base is formed by matching the connecting shaft, the middle shaft and the bearing, so that the rotating stability is higher and the noise is lower compared with the traditional prayer wheel; the cylinder body and the base can be movably connected in a buckling mode, and after the cylinder body and the base are separated, the rotating part can be conveniently overhauled and replaced, so that the use is convenient; the software is adopted to control the motor to drive the cylinder body at low speed, so that the long-time stable rotation of the prayer wheel can be realized, and the use is convenient.
Description
Technical Field
The utility model relates to a prayer wheel field, concretely relates to prayer wheel.
Background
The prayer wheel is a praying tool for Tibetan Buddhism. The traditional prayer wheel comprises a prayer wheel body and a rotating shaft, wherein the prayer wheel body can rotate around the rotating shaft, the traditional driving mode is hand dialing driving, the rotating speed is not stable, in the long-time use process, the rotating noise of the prayer wheel body is larger due to the aggravation of friction between the prayer wheel body and the rotating shaft, in addition, the hand is easy to generate fatigue in the shifting process, and the long-time stable rotation of the prayer wheel body is difficult to realize; the rotating shaft and the cylinder body are difficult to disassemble, so that the overhaul is inconvenient.
Disclosure of Invention
The utility model aims at providing a prayer wheel for solving above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: stable in structure, the rotational noise is little, and accessible motor drive realizes the long-time stable technological effects such as rotation of a prayer wheel, see the explanation below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a prayer wheel, which comprises a prayer wheel body and a base, wherein the prayer wheel body is coaxially arranged above the base and is connected through a rotating part, and a driving part connected with the rotating part is arranged in the base;
the rotating part comprises a connecting shaft which coaxially penetrates through the cylinder body, the lower end of the connecting shaft is connected with a middle shaft, and the middle shaft is in rotating fit with the base through a bearing;
the driving part comprises a motor arranged in the base, an output shaft of the motor is coaxial with the middle shaft, and the output shaft is inserted into the inner side of the middle shaft and is in interference fit with the middle shaft.
Preferably, a cavity for bearing the scriptures is formed in the inner side of the cylinder body, an upper cover is arranged at the top of the cylinder body, a connecting shaft penetrates through the middle of the upper cover, an upper cover head is arranged at the top end of the connecting shaft, and the lower end of the connecting shaft is inserted into the cavity.
Preferably, the center of the top of the base is provided with a convex part which protrudes upwards, the bottom of the cylinder body is formed with a groove, and the convex part is in clearance fit with the groove; and the top of the boss is provided with a positioning groove in interference fit with the bearing outer ring.
Preferably, the bearing is arranged on the inner side of the protruding portion, and the lower end of the middle shaft is in interference fit with the inner wall of the bearing.
Preferably, the middle shaft consists of a shaft body, an upper supporting plate and an inserting part which are coaxially arranged, and the shaft body and the inserting part are respectively arranged on the upper side surface and the lower side surface of the upper supporting plate; the inserting part is inserted into the inner side of the bearing and is in interference fit with the inner ring of the bearing, the upper supporting plate is connected with the upper surface of the inner ring of the bearing, and the shaft body is inserted into the barrel body and is in interference fit with the barrel body.
Preferably, the bottom of the insertion part is formed with a positioning hole extending into the upper support plate, and the output shaft is inserted into the positioning hole and is in interference fit with the positioning hole.
Preferably, the bottom of the base is open, and a seat plate is installed at the bottom of the base.
To sum up, the utility model has the advantages that: 1. the rotating part between the cylinder body and the base is formed by matching the connecting shaft, the middle shaft and the bearing, so that the rotating stability is higher and the noise is lower compared with the traditional prayer wheel;
2. the cylinder body and the base can be movably connected in a buckling mode, and after the cylinder body and the base are separated, the rotating part can be conveniently overhauled and replaced, so that the use is convenient;
3. the software is adopted to control the motor to drive the cylinder body at low speed, so that the long-time stable rotation of the prayer wheel can be realized, and the use is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a flow chart of a main program of motor control according to the present invention;
fig. 3 is a flow chart of the interruption procedure of the motor encoder of the present invention;
fig. 4 is a flowchart of a motor control subroutine of the present invention.
The reference numerals are explained below:
1. a seat plate; 2. a base; 3. a motor; 4. a bearing; 5. a middle shaft; 6. a barrel body; 7. a connecting shaft; 8. an upper cover; 9. and (6) covering the head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a prayer wheel, which comprises a prayer wheel body 6 and a base 2, wherein the prayer wheel body 6 is coaxially arranged above the base 2 and is connected through a rotating part, and a driving part connected with the rotating part is arranged in the base 2; the rotating part comprises a connecting shaft 7 which coaxially penetrates through the cylinder body 6, the lower end of the connecting shaft 7 is connected with a middle shaft 5, and the middle shaft 5 is in rotating fit with the base 2 through a bearing 4; the driving part comprises a motor 3 arranged inside the base 2, an encoder is arranged on the motor 3, an output shaft of the motor 3 is coaxially arranged with a middle shaft 5, the output shaft is inserted into the inner side of the middle shaft 5 and is in interference fit with the middle shaft 5, the motor 3 is connected with a driving control system and is driven by software, in the driving process of the motor 3, the encoder feeds back the rotating speed information of the motor 3 during operation to the driving control system in real time, and the driving control system adjusts the given voltage and current of the motor 3 according to the feedback, so that the ultra-low speed operation of the motor 3 is controlled. So as to realize the stable, ultra-low speed and high-efficiency operation of the motor 3 under the closed-loop control; compared with the motor 3 which is matched with the speed reducer to rotate at a low speed, the service life of the motor 3 can be prolonged;
the software of the drive control system mainly comprises three parts, as shown in fig. 2-4, which are respectively a motor 3 control main program, a motor 3 encoder interrupt program and a motor 3 control subprogram, wherein the working flow of the main program is as follows: initializing parameters, namely initializing a system; setting an interrupt function; setting initial control PWM, and setting parameters according to the required rotating speed; entering an idle function, and waiting for the motor 3 encoder to feed back the rotating speed; returning;
the working flow of the motor 3 encoder interrupt program is as follows: detecting and obtaining the rotating speed of the motor 3; feeding back the rotating speed information to a main program; returning by interruption;
the working flow of the motor 3 control subprogram is as follows: receiving the rotating speed of the motor 3; judging whether the motor 3 is accelerated or not according to the received rotating speed information of the motor 3, if so, controlling PWM to return to zero, outputting no current and voltage to the motor 3, continuing to rotate the motor 3 by means of the rotating inertia of the motor 3, and if not, adjusting the rotating speed of the motor 3; judging whether the rotating speed of the motor 3 is less than a minimum threshold value or not according to the rotating speed of the motor 3, if so, controlling a PWM function curve to increase to enable the rotating speed of the motor 3 to tend to increase, if not, judging whether the rotating speed of the motor 3 is greater than the maximum threshold value or not, if so, controlling the PWM function curve to reduce and the rotating speed of the motor 3 to tend to reduce, and if not, controlling PWM to approach an ideal rotating speed; therefore, the rotating speed of the motor 3 is adjusted, and the adjusting information of the rotating speed of the motor 3 is fed back to the step of receiving the rotating speed of the motor 3, so that closed-loop control is formed, and the accuracy of the rotating speed control of the motor 3 is improved.
As an optional implementation mode, a cavity for bearing the scriptures is arranged on the inner side of the barrel body 6, an upper cover 8 is arranged at the top of the barrel body 6, a connecting shaft 7 penetrates through the middle of the upper cover 8, an upper cover head 9 is arranged at the top end of the connecting shaft 7, the lower end of the connecting shaft 7 is inserted into the cavity, when the disposable scriptures cleaning barrel is used, the upper cover 8 is taken down, the lower end of the connecting shaft 7 is inserted into the scriptures wound into a coil, and then the scriptures and the connecting shaft 7 are;
a convex part which protrudes upwards is arranged at the center of the top of the base 2, a groove is formed at the bottom of the cylinder body 6, and the convex part is in clearance fit with the groove; the top of the bulge is provided with a positioning groove which is in interference fit with the outer ring of the bearing 4; the bearing 4 is arranged on the inner side of the protruding part, the lower end of the middle shaft 5 is in interference fit with the inner wall of the bearing 4, and the protruding part and the groove are arranged, so that the matching position of the bearing 4 and the middle shaft 5 can be hidden on the inner side of the barrel body 6, sundries are prevented from entering the middle shaft 5 during use, and long-time stable operation of the equipment is guaranteed;
the middle shaft 5 consists of a shaft body, an upper supporting plate and an inserting part which are coaxially arranged, and the shaft body and the inserting part are respectively arranged on the upper side surface and the lower side surface of the upper supporting plate; the inserting part is inserted into the inner side of the bearing 4 and is in interference fit with the inner ring of the bearing 4, the upper supporting plate is connected with the upper surface of the inner ring of the bearing 4, and the shaft body is inserted into the barrel body 6 and is in interference fit with the barrel body 6; the bottom of the insertion part is provided with a positioning hole extending into the upper supporting plate, and the output shaft is inserted into the positioning hole and is in interference fit with the positioning hole;
base 2 bottom opening, and base 2 bottom installs bedplate 1, bedplate 1 passes through the screw cooperation with base 2, can expose motor 3 with bedplate 1 pulls down to overhaul and maintain motor 3.
The connecting shaft 7, the middle shaft 5 and the bearing 4 are matched to be used as a rotating part between the cylinder body 6 and the base 2, so that the rotating stability is higher and the noise is lower compared with the traditional prayer wheel; the cylinder body 6 and the base 2 can be movably connected in a buckling mode, and after the cylinder body 6 and the base 2 are separated, rotating parts can be conveniently overhauled and replaced, so that the use is convenient; the motor 3 is controlled by software to drive the cylinder body 6 at low speed, so that the long-time stable rotation of the prayer wheel can be realized, and the use is convenient.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The prayer wheel comprises a prayer wheel body (6) and a base (2), wherein the prayer wheel body (6) is coaxially arranged above the base (2) and is connected through a rotating part, and a driving part connected with the rotating part is arranged in the base (2);
the rotating part comprises a connecting shaft (7) which coaxially penetrates through the barrel body (6), the lower end of the connecting shaft (7) is connected with a middle shaft (5), and the middle shaft (5) is in rotating fit with the base (2) through a bearing (4);
the driving part comprises a motor (3) arranged in the base (2), an output shaft of the motor (3) is coaxial with the middle shaft (5), and the output shaft is inserted into the inner side of the middle shaft (5) and is in interference fit with the middle shaft (5).
2. A prayer wheel according to claim 1, wherein: the novel sanitary towel is characterized in that a cavity for bearing scriptures is formed in the inner side of the barrel body (6), an upper cover (8) is arranged at the top of the barrel body (6), a connecting shaft (7) penetrates through the middle of the upper cover (8), an upper cover head (9) is arranged at the top end of the connecting shaft (7), and the lower end of the connecting shaft (7) is inserted into the cavity.
3. A prayer wheel according to claim 1, wherein: a raised part which protrudes upwards is arranged at the center of the top of the base (2), a groove is formed at the bottom of the cylinder body (6), and the raised part is in clearance fit with the groove; and a positioning groove in interference fit with the outer ring of the bearing (4) is formed at the top of the boss.
4. A prayer wheel according to claim 3, wherein: the bearing (4) is arranged on the inner side of the protruding portion, and the lower end of the middle shaft (5) is in interference fit with the inner wall of the bearing (4).
5. A prayer wheel according to claim 1, wherein: the middle shaft (5) consists of a shaft body, an upper supporting plate and an inserting part which are coaxially arranged, and the shaft body and the inserting part are respectively arranged on the upper side surface and the lower side surface of the upper supporting plate; the inserting part is inserted into the inner side of the bearing (4) and is in interference fit with the inner ring of the bearing (4), the upper supporting plate is connected with the upper surface of the inner ring of the bearing (4), and the shaft body is inserted into the barrel body (6) and is in interference fit with the barrel body (6).
6. A prayer wheel according to claim 5, wherein: the bottom of the insertion part is provided with a positioning hole extending into the upper supporting plate, and the output shaft is inserted into the positioning hole and is in interference fit with the positioning hole.
7. A prayer wheel according to claim 1, wherein: the base (2) bottom opening, just bedplate (1) is installed to base (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921449875.4U CN210383582U (en) | 2019-09-03 | 2019-09-03 | Sutra rotating cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921449875.4U CN210383582U (en) | 2019-09-03 | 2019-09-03 | Sutra rotating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210383582U true CN210383582U (en) | 2020-04-24 |
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ID=70340645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921449875.4U Active CN210383582U (en) | 2019-09-03 | 2019-09-03 | Sutra rotating cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210383582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403436A (en) * | 2019-09-03 | 2019-11-05 | 沈阳堆途科技股份有限公司 | A kind of prayer wheel and its control method |
-
2019
- 2019-09-03 CN CN201921449875.4U patent/CN210383582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403436A (en) * | 2019-09-03 | 2019-11-05 | 沈阳堆途科技股份有限公司 | A kind of prayer wheel and its control method |
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