A dual-display planetary gearbox transmission device for valves

Abstract

The utility model relates to a dual-display planetary gearbox transmission device for valves, including a connecting seat, a side indicator disk assembly, and an end indicator disk assembly. The end indicator disk assembly includes an end box, an end planetary wheel frame, an end planetary wheel, a handwheel shaft, an end sun wheel, and an end disk. The end disk is provided with an indicator scale, and an end inner gear ring is provided on the inner side of the end box. The end box opening is rotatably connected with an end indicator disk. The end indicator disk passes through the end disk toward the handwheel body and is provided with an end pointer. The end indicator disk is provided with an end indicator inner gear ring. The side indicator disk is perpendicular to the end indicator disk, and the end indicator disk is synchronized with the rotation angle of the transmission shaft. The utility model provides an end indicator disk assembly at the end of the connecting seat to facilitate operators to observe the valve status during operation. The end indicator disk assembly adopts a planetary reduction system with a compact structure. It is encapsulated in an end box, which is convenient for installation in an existing valve system. It has strong applicability and good manufacturability, and is particularly suitable for valves installed in bedrooms.

Description

Technical Field

[0001] The utility model relates to a valve transmission mechanism, in particular to a double-display planetary gearbox transmission device for a valve. Background Art

[0002] Recently, the demand for pipe networks in high-purity industries such as drinking water, food and medicine, and industries such as coal gas, natural gas, and sewage treatment has become increasingly higher, and the pipe networks have become more and more complex and dense, and valves are essential components in the pipe networks. When operating the valve, the operator needs to observe the valve status, and usually an indicator device is set on the side of the valve transmission device. When the pipe network is complex, it is very inconvenient for the operator to observe the indicator device while operating. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a dual-display planetary gearbox transmission device for a valve.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a dual-display planetary gearbox transmission device for a valve, comprising a connecting seat, a side indicator disk assembly arranged on the side of the connecting seat, and an end indicator disk assembly arranged at the tail end of the connecting seat, the side indicator disk assembly comprising a side box body, a side indicator disk arranged on the side box body, and a worm wheel rotatably connected to the side box body, a transmission shaft rotatably connected in the connecting seat, a worm engaged with the worm wheel is arranged on the transmission shaft, the end indicator disk assembly comprises an end box body arranged at the end of the connecting seat, an end planetary wheel frame fixedly connected to the transmission shaft, an end planetary wheel rotatably connected to the end planetary wheel frame, a handwheel shaft rotatably connected to the transmission shaft, an end sun wheel fixedly connected to the handwheel shaft, and an end disk arranged at the opening of the end box body. The end plate is provided with an indicating scale, the inner side of the end box body is provided with an end inner gear ring, the end box body opening is rotatably connected with an end indicating plate, the handwheel shaft is rotatably connected with a sleeve, the handwheel shaft is provided with a handwheel body, the sleeve passes through the end indicating plate, the end indicating plate passes through the end plate toward the side of the handwheel body and is provided with an end pointer, the end indicating plate is provided with an end indicating inner gear ring, the end indicating inner gear ring is meshed with a transmission gear that rotates synchronously with one of the end planetary gears, the end inner gear ring, the end planetary gear and the end sun gear constitute a planetary gear train fixed with the end inner gear ring, the worm gear is connected with a side indicating plate and a side plate through a reduction mechanism, the end indicating plate rotates synchronously with the side indicating plate, the side indicating plate is perpendicular to the end indicating plate, and the end indicating plate is synchronized with the rotation angle of the transmission shaft.

[0005] As a further improvement of the present design, the reduction mechanism includes a side planetary wheel carrier fixed on the side box body, a side planetary wheel arranged on the side planetary wheel carrier, a side sun wheel meshing with the side planetary wheel, the side sun wheel is fixedly connected to the side indicator plate, and the worm gear is provided with a side inner gear ring meshing with the side planetary wheel.

[0006] As a further improvement of the present design, the transmission shaft is connected to the connecting seat via a bearing, and a cover plate for sealing a gap at the end of the connecting seat is provided at the end of the connecting seat.

[0007] As a further improvement of the present design, a sealing ring is provided between the end indicator plate and the end box body, and a sealing ring is provided between the side indicator plate and the end plate.

[0008] The beneficial effects of the utility model are as follows: the utility model provides an end indicator disk assembly at the end of the connecting seat, so that the operator can observe the valve status during operation; the end indicator disk assembly adopts a planetary reduction system and has a compact structure; it is packaged in an end box, so it is easy to install it in the existing valve system; it has strong applicability and good manufacturability, and is particularly suitable for valves installed in bedrooms. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0010] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0011] Figure 2 It is a cross-sectional schematic diagram of a side indicator plate assembly of the utility model.

[0012] Figure 3 It is a schematic diagram of the A-direction end indicator disc assembly of the utility model.

[0013] In the figure, 1. connecting seat, 2. side indicator plate assembly, 21. side box body, 22. side planetary gear carrier, 23. side sun gear, 24. side inner ring gear, 25. side indicator plate, 26. worm gear, 27. side planetary gear, 28. side plate, 3. bearing, 4. cover plate, 5. end indicator plate assembly, 50. end box body, 51. end planetary gear carrier, 52. end planetary gear, 53. end inner ring gear, 54. end indicator plate, 55. end plate, 56. handwheel shaft, 57. end sun gear, 58. transmission gear, 6. worm, 7. transmission shaft, 8. sealing ring, 9. end pointer, 10. indication scale, 11. bushing, 12. end indication inner ring gear. DETAILED DESCRIPTION

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the illustrative embodiments and descriptions are only used to explain the present invention but are not intended to limit the present invention.

[0015] Embodiment: A dual-display planetary gearbox transmission device for a valve comprises a connecting seat 1, a side indicator disc 25 assembly 2 arranged on the side of the connecting seat 1, and an end indicator disc assembly 5 arranged at the tail end of the connecting seat 1, wherein the side indicator disc assembly 2 comprises a side box body 21, a side indicator disc 25 arranged on the side box body 21, and a worm gear 26 rotatably connected to the side box body 21, a transmission shaft 7 is rotatably connected in the connecting seat 1, and a worm 6 meshing with the worm gear 26 is provided on the transmission shaft 7, and the end indicator disc assembly 5 comprises an end box body 50 arranged at the end of the connecting seat 1, an end planetary wheel carrier 51 fixedly connected to the transmission shaft 7, an end planetary wheel 52 rotatably connected to the end planetary wheel carrier 51, a handwheel shaft 56 rotatably connected to the transmission shaft 7, an end sun gear 57 fixedly connected to the handwheel shaft 56, and an end disc 55 arranged at the opening of the end box body 50, and an indicating scale 10 is provided on the end disc 55. An end inner gear ring 53 is provided on the inner side of the end box body 50, and the end box body 50 opening is rotatably connected to an end indicating disk 54, and the handwheel shaft 56 is rotatably connected to a sleeve 11, and a handwheel body is provided on the handwheel shaft 56, and the sleeve 11 passes through the end indicating disk 54, and the end indicating disk 54 passes through the end disk 55 toward the side of the handwheel body and is provided with an end pointer 9, and the end indicating disk 54 is provided with an end indicating inner gear ring 12, and the end indicating inner gear ring 12 is meshed with a transmission gear 58 that rotates synchronously with one of the end planetary gears 52, and the end inner gear ring 53, the end planetary gear 52 and the end sun gear 57 constitute a planetary gear train fixed to the end inner gear ring 53, and the worm gear 26 is connected to the side indicating disk 25 and the side disk 28 through a reduction mechanism, and the end indicating disk 54 rotates synchronously with the side indicating disk 25, and the side indicating disk 25 is perpendicular to the end indicating disk 54, and the end indicating disk 54 is synchronized with the rotation angle of the transmission shaft 7.

[0016] The above-mentioned arrangement of the end indicator disk assembly 5 at the end of the connecting seat 1 makes it convenient for the operator to observe the valve status during operation. The end indicator disk assembly 5 adopts a planetary reduction system and has a compact structure. It is packaged in an end box 50, which is convenient for installation in the existing valve system. It has strong applicability and good manufacturability, and is particularly suitable for valves installed in bedrooms.

[0017] See also Figure 2 In order to facilitate the consistency of the state of the side indicator disk assembly 2 and the transmission shaft 7, a reduction mechanism is used, which includes a side planetary wheel carrier 22 fixed to the side box body 21, a side planetary wheel 27 arranged on the side planetary wheel carrier 22, and a side sun wheel 23 meshing with the side planetary wheel 27. The side sun wheel 23 is fixedly connected to the side indicator disk 25, and the worm gear 26 is provided with a side inner gear ring 24 meshing with the side planetary wheel 27.

[0018] See also Figure 1 In order to improve the smoothness of the transmission shaft 7, the transmission shaft 7 is connected to the connecting seat 1 through a bearing 3, and a cover plate 4 is provided at the end of the connecting seat 1 to block the gap at the end of the connecting seat 1.

[0019] See also Figure 1 and Figure 2 A sealing ring 8 is provided between the end indicator plate 54 and the end box body 50 , and a sealing ring 8 is provided between the side indicator plate 25 and the end plate 55 to improve the sealing performance.

[0020] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dual-display planetary gearbox transmission device for a valve, characterized in that: The invention comprises a connecting seat, a side indicator plate assembly arranged on the side of the connecting seat, and an end indicator plate assembly arranged at the tail end of the connecting seat, the side indicator plate assembly comprises a side box body, a side indicator plate arranged on the side box body, and a worm wheel rotatably connected to the side box body, a transmission shaft is rotatably connected in the connecting seat, a worm gear meshing with the worm wheel is provided on the transmission shaft, the end indicator plate assembly comprises an end box body arranged at the end of the connecting seat, an end planetary wheel carrier fixedly connected to the transmission shaft, an end planetary wheel rotatably connected to the end planetary wheel carrier, a handwheel shaft rotatably connected to the transmission shaft, an end sun wheel fixedly connected to the handwheel shaft, and an end plate arranged at the opening of the end box body, an indicating scale is provided on the end plate, and the inner side of the end box body An end inner gear ring is provided, the end box opening is rotatably connected to an end indicating disk, the handwheel shaft is rotatably connected to a sleeve, a handwheel body is provided on the handwheel shaft, the sleeve passes through the end indicating disk, the end indicating disk passes through the end disk toward the side of the handwheel body and is provided with an end pointer, the end indicating disk is provided with an end indicating inner gear ring, the end indicating inner gear ring is meshed with a transmission gear that rotates synchronously with one of the end planetary gears, the end inner gear ring, the end planetary gears and the end sun gear constitute a planetary gear train fixed with the end inner gear ring, the worm gear is connected to a side indicating disk and a side disk through a reduction mechanism, the end indicating disk rotates synchronously with the side indicating disk, the side indicating disk is perpendicular to the end indicating disk, and the end indicating disk is synchronized with the rotation angle of the transmission shaft.

2. A dual-display planetary gearbox transmission device for a valve according to claim 1, characterized in that: The reduction mechanism includes a side planetary wheel carrier fixed on the side box body, a side planetary wheel arranged on the side planetary wheel carrier, and a side sun wheel meshing with the side planetary wheel. The side sun wheel is fixedly connected to the side indicator plate, and the worm wheel is provided with a side inner gear ring meshing with the side planetary wheel.

3. The dual-display planetary gearbox transmission device for valves according to claim 1 is characterized in that: The transmission shaft is connected to the connection seat via a bearing, and a cover plate for sealing a gap at the end of the connection seat is provided at the end of the connection seat.

4. A dual-display planetary gearbox transmission device for valves according to claim 1, characterized in that: A sealing ring is provided between the end indicator plate and the end box body, and a sealing ring is provided between the side indicator plate and the end plate.

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