Rotary-cut valve reduction gearbox structure

Abstract

The utility model relates to the technical field of reduction gearboxes, in particular to a rotary-cut valve reduction gearbox structure which comprises a driving motor, a valve body fixedly connected above the driving motor and a second planet carrier movably mounted in the valve body. A first planet carrier is movably installed above the second planet carrier, a second planet wheel is movably installed between the second planet carrier and the first planet carrier, and the first planet carrier is provided with a gasket and other structures, so that a gap between the first planet carrier and the valve body is eliminated, and the problem of abnormal sound caused by vertical shaking is solved; a bearing, a sun gear gasket and a planet gear gasket are omitted, the assembly process is simplified, the gear ring seat and the inner gear ring are convenient to disassemble and assemble, the convenience of detection and maintenance is improved, the product structure is simplified through the structure, parts of the whole reduction gearbox are obtained through mold forming, the product cost is greatly reduced, and the productivity is improved.

Description

Technical Field

[0001] This utility model relates to the field of gearbox technology, specifically to a rotary valve gearbox structure. Background Technology

[0002] A rotary valve is a valve used to cut off or regulate flow. Its working principle is to open and close the valve by rotating the valve stem. Specifically, the valve stem rotates with the valve stem to achieve the opening and closing action. The rotary valve reducer is an important supporting component of the rotary valve, used to reduce the output speed of the motor and increase the torque to meet the working requirements of the rotary valve. The complete set of transmission parts of the existing rotary valve reducer requires scientific processing technology and sophisticated processing equipment, resulting in high cost of the entire product. Moreover, the internal structure of the reducer is prone to vertical shaking and abnormal noise due to the lack of gaskets in the height direction. Therefore, this application proposes a rotary valve reducer structure. Utility Model Content

[0003] To solve the above technical problems, this application provides a rotary valve reduction gearbox structure, including a drive motor, a valve body fixedly connected to the upper position of the drive motor, and a second planetary carrier, which is movably installed inside the valve body. A first planetary carrier is movably installed above the second planetary carrier, and a second planetary gear is movably installed between the second planetary carrier and the first planetary carrier.

[0004] A washer is movably installed above the second planetary carrier, an output shaft is movably installed inside the washer, and a flat washer is movably installed inside the washer at a position outside the output shaft.

[0005] The first planetary gear and the second planetary carrier are fixedly connected to the side of an internal gear ring, and the internal gear rings are movably connected to each other by a gear ring seat.

[0006] In some embodiments, the input shaft of the drive motor extends into the valve body, the input shaft is movably mounted to the first planetary carrier, and the first planetary carrier and the drive motor are provided with a sun gear washer.

[0007] In some embodiments, a first planetary gear is movably mounted below the first planetary carrier, and the first planetary gear is located between the first planetary carrier and the drive motor.

[0008] In some embodiments, a silicone pad is movably mounted inside the washer at a position below the flat pad. The silicone pad is located outside the output shaft. The output shaft is movably mounted to the first planetary carrier, which is located inside the gear ring seat and the internal gear ring.

[0009] In some embodiments, the gear ring seat and the inner gear ring are provided with limiting grooves, and the valve body is fixedly connected to the drive motor by bolts, the bolts being located in the limiting grooves of the gear ring seat and the inner gear ring.

[0010] In some embodiments, the gear seat includes a right half-gear seat, a left half-gear seat, a gear seat retainer, and a gear seat retainer groove. The gear seat retainer is fixedly connected to the right half-gear seat, and the gear seat retainer groove is formed on the left half-gear seat. The right half-gear seat is movably installed with the gear seat retainer groove of the left half-gear seat through the gear seat retainer retainer.

[0011] In some embodiments, the internal gear ring includes a right half gear ring, a left half gear ring, a gear ring retainer, and a gear ring retainer groove. The gear ring retainer is fixedly connected to the right half gear ring, and the gear ring retainer groove is formed on the left half gear ring. The right half gear ring is movably installed with the gear ring retainer groove of the left half gear ring.

[0012] This utility model has at least the following beneficial effects:

[0013] The product structure has been simplified, and the parts of the entire gearbox are obtained by molding, which greatly reduces product costs and increases production capacity.

[0014] By adding a gasket structure, the gap between the No. 1 planetary carrier and the valve body was eliminated, thus solving the problem of abnormal noise from shaking up and down.

[0015] The assembly process was simplified by eliminating bearings, sun gear washers, and planet gear washers;

[0016] The gear ring seat and internal gear ring are easy to disassemble and assemble, making maintenance and repair more convenient. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the valve body of this utility model.

[0019] Figure 3 This is a schematic diagram of the connection structure between the valve body and the drive motor of this utility model;

[0020] Figure 4 This is a schematic diagram showing the disassembled structure of the gear ring seat and the internal gear ring of this utility model;

[0021] Figure 5 This is a schematic diagram showing the disassembled structure of the No. 1 planetary carrier and the No. 2 planetary carrier of this utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the second planetary carrier and the second planetary gear of this utility model.

[0023] In the diagram: 1. Drive motor; 2. Valve body; 3. Input shaft; 4. Planetary carrier No. 2; 5. Planetary carrier No. 1; 6. Gear ring seat; 601. Right half of the gear ring seat; 602. Left half of the gear ring seat; 603. Gear ring seat retainer; 604. Gear ring seat slot; 7. Internal gear ring; 701. Right half of the gear ring; 702. Left half of the gear ring; 703. Gear ring retainer; 704. Gear ring slot; 8. Sun gear washer; 9. Washer; 10. Flat washer; 11. Silicone washer; 12. Output shaft; 13. Planetary gear No. 1; 14. Planetary gear No. 2; 15. Limiting groove; 16. Bolt. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1:

[0026] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 This utility model provides a technical solution: a rotary valve reduction gearbox structure, including a drive motor 1, a valve body 2 fixedly connected above the drive motor 1, and a second planetary carrier 4, which is movably installed inside the valve body 2. A first planetary carrier 5 is movably installed above the second planetary carrier 4, and a second planetary gear 14 is movably installed between the second planetary carrier 4 and the first planetary carrier 5.

[0027] A washer 9 is movably installed above the second planetary carrier 4. An output shaft 12 is movably installed inside the washer 9. A flat washer 10 is movably installed inside the washer 9 at a position outside the output shaft 12.

[0028] The first planetary gear 13 and the second planetary carrier 4 are fixedly connected to the side of the internal gear ring 7, and the internal gear ring 7 is movably connected to the gear ring seat 6.

[0029] Furthermore, the input shaft 3 of the drive motor 1 extends into the valve body 2, the input shaft 3 is movably installed with the first planetary carrier 5, the first planetary carrier 5 and the drive motor 1 are provided with a sun gear washer 8, and a first planetary gear 13 is movably installed at the lower position of the first planetary carrier 5, and the first planetary gear 13 is located between the first planetary carrier 5 and the drive motor 1.

[0030] Since the traditional second planetary carrier 4 and the first planetary carrier 5 are connected by a bushing, in this application, the first planetary carrier 5 and the second planetary carrier 4 are connected by a sliding connection, thereby eliminating the bearing structure. The traditional first planetary carrier 5 and the second planetary carrier 4 require an additional sun gear washer 8, and the second planetary carrier 4 and the second planetary gear 14 also require a planetary gear washer. All of these are eliminated in this application, thereby simplifying the assembly process.

[0031] Furthermore, a silicone pad 11 is movably installed inside the washer 9, located below the flat washer 10. The silicone pad 11 is located on the outside of the output shaft 12. The output shaft 12 is movably installed with the first planetary carrier 5, which is located inside the gear ring seat 6 and the internal gear ring 7.

[0032] The washer 9 is located above the first planetary carrier 5 and contacts the valve body 2, thereby eliminating the gap between the first planetary carrier 5 and the valve body 2 and solving the problem of abnormal noise from shaking up and down.

[0033] Furthermore, the gear ring seat 6 and the inner gear ring 7 are provided with limiting grooves 15, and the valve body 2 is fixedly connected to the drive motor 1 by bolts 16, with the bolts 16 located in the limiting grooves 15 of the gear ring seat 6 and the inner gear ring 7.

[0034] Bolt 16 passes through valve body 2 and is inserted into the limiting groove 15 of gear ring seat 6 and internal gear ring 7, thereby positioning gear ring seat 6 and internal gear ring 7. While positioning valve body 2, gear ring seat 6 and internal gear ring 7 are fixed.

[0035] By eliminating the bearing, sun gear gasket 8, and planet gear gasket structures, the assembly process is simplified, the number of parts is reduced, and the product structure is simplified. The gasket 9 structure eliminates the gap between the first planet carrier 5 and the valve body 2, solving the problem of abnormal noise from shaking up and down. The entire set of parts is obtained by molding, which greatly reduces product costs and increases production capacity.

[0036] Example 2:

[0037] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4Based on Embodiment 1, this utility model provides another technical solution: the gear ring seat 6 includes a right half-ring seat 601, a left half-ring seat 602, a ring seat clip 603, and a ring seat groove 604. The ring seat clip 603 is fixedly connected to the right half-ring seat 601, and the ring seat groove 604 is opened on the left half-ring seat 602. The right half-ring seat 601 is movably installed with the ring seat groove 604 of the left half-ring seat 602 through the ring seat clip 603. The internal gear ring 7 includes a right half-gear ring 701, a left half-gear ring 702, a gear ring clip 703, and a gear ring groove 704. The gear ring clip 703 is fixedly connected to the right half-gear ring 701, and the gear ring groove 704 is opened on the left half-gear ring 702. The right half-gear ring 701 is movably installed with the gear ring groove 704 of the left half-gear ring 702 through the gear ring clip 703.

[0038] After the ring seat clasp 603 of the right half ring seat 601 is removed from the ring seat slot 604, the left half ring seat 602 and the right half ring seat 601 are separated from each other. After the gear ring clasp 703 of the right half gear ring 701 is removed from the gear ring slot 704, the right half gear ring 701 and the left half gear ring 702 can be easily separated from each other. This makes it easier to open half of the structure of the gear ring seat 6 and the internal gear ring 7, and to observe the operation of the first planetary gear 13 and the second planetary gear 14 inside. This makes the maintenance and inspection of the internal structure more convenient.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotary valve reduction gearbox structure, comprising a drive motor (1), wherein a valve body (2) is fixedly connected above the drive motor (1), characterized in that: It also includes a second planetary carrier (4), which is movably installed inside the valve body (2). A first planetary carrier (5) is movably installed above the second planetary carrier (4). A second planetary gear (14) is movably installed between the second planetary carrier (4) and the first planetary carrier (5). A washer (9) is movably installed above the second planetary carrier (4), an output shaft (12) is movably installed inside the washer (9), and a flat washer (10) is movably installed inside the washer (9) at a position outside the output shaft (12). The first planetary gear (13) and the second planetary carrier (4) are fixedly connected to the side of the internal gear ring (7), and the internal gear ring (7) is movably connected to the gear ring seat (6).

2. The rotary valve reduction gearbox structure according to claim 1, characterized in that: The input shaft (3) of the drive motor (1) extends into the valve body (2). The input shaft (3) is movably installed with the first planetary carrier (5). The first planetary carrier (5) and the drive motor (1) are provided with sun gear gaskets (8).

3. The rotary valve reduction gearbox structure according to claim 1, characterized in that: A first planetary gear (13) is movably mounted below the first planetary carrier (5), and the first planetary gear (13) is located between the first planetary carrier (5) and the drive motor (1).

4. The rotary valve reduction gearbox structure according to claim 1, characterized in that: The washer (9) has a silicone pad (11) movably installed inside the flat pad (10). The silicone pad (11) is located outside the output shaft (12). The output shaft (12) is movably installed with the first planetary carrier (5). The first planetary carrier (5) is located inside the gear ring seat (6) and the internal gear ring (7).

5. The rotary valve reduction gearbox structure according to claim 1, characterized in that: The gear ring seat (6) and the inner gear ring (7) are provided with limiting grooves (15). The valve body (2) is fixedly connected to the drive motor (1) by bolts (16). The bolts (16) are located in the limiting grooves (15) of the gear ring seat (6) and the inner gear ring (7).

6. The rotary valve reduction gearbox structure according to claim 1, characterized in that: The gear seat (6) includes a right half-gear seat (601), a left half-gear seat (602), a gear seat clip (603), and a gear seat groove (604). The gear seat clip (603) is fixedly connected to the right half-gear seat (601), and the gear seat groove (604) is opened on the left half-gear seat (602). The right half-gear seat (601) is movably installed with the gear seat groove (604) of the left half-gear seat (602) through the gear seat clip (603).

7. The rotary valve reduction gearbox structure according to claim 1, characterized in that: The internal gear ring (7) includes a right half gear ring (701), a left half gear ring (702), a gear ring clip (703), and a gear ring slot (704). The gear ring clip (703) is fixedly connected to the right half gear ring (701), and the gear ring slot (704) is opened on the left half gear ring (702). The right half gear ring (701) is movably installed with the gear ring slot (704) of the left half gear ring (702) through the gear ring clip (703).

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