Manual and automatic integrated gearbox

Abstract

The manual-automatic integrated gearbox comprises a front end plate, a shell and a rear end plate, a transmission assembly is arranged in the shell and comprises a plurality of bearing shafts, the bearing shafts are fixedly connected to the inner side of the front end plate in an inserted mode, duplicate gears are rotationally arranged on the outer walls of the bearing shafts in a sleeved mode, every two adjacent duplicate gears are meshed, and the outer walls of the bearing shafts are meshed with the duplicate gears. The outer side of the front end plate is fixedly connected with a motor, and the output end of the motor penetrates through the front end plate and is in key connection with a driving gear. The sliding rod is pushed to enable the connecting gear to be separated from the duplicate gear, then the sliding rod is screwed to achieve manual opening and closing of the valve, then the sliding rod is loosened, the connecting gear is meshed with the adjacent duplicate gear under the elastic effect of the spring, and therefore opening and closing of the valve are achieved through the motor. Therefore, switching between manual operation and electric operation is achieved, and basic operation of the valve can be guaranteed under some emergency situations or when an electric system breaks down.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box technical field especially relates to hand self -contained gear box. BACKGROUND

[0002] At present, in the industrial production field, the valve actuator plays a vital role, it controls the action of the valve, thereby realizes the delivery, regulation and control to fluid, the traditional valve actuator usually is divided into manual and electric two types, and the main drive structure in the valve actuator is gear box, is used to the control of valve after the installation of valve actuator.

[0003] And the existing gear box in the process of using, the gear in the gear box rotates, because it is inconvenient to convert manual and automatic operation rotating gear, leading to gear box use effect is not good, therefore, in order to industry technology progress, better facilitate the operation personnel operation gear in the gear box, improve core technology competitiveness, the present application proposes a new implementation scheme different from the structure and application mode in the prior art gear box. SUMMARY

[0004] The utility model discloses a hand self -contained gear box, which solves the problem that the gear in the existing gear box rotates inconveniently, and the gear box has poor use effect.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] Hand self -contained gear box, including front end board, shell and rear end board, the shell is equipped with transmission assembly, and transmission assembly includes a plurality of bearing shafts, and the bearing shaft is fixedly inserted in the inner side of front end board, and the outer wall of bearing shaft rotatably sheathes double coupling gear, and the adjacent two double coupling gears are engaged, the outer side of front end board is fixedly connected with motor, and the output end of motor is connected with driving gear through front end board key, and driving gear is engaged with adjacent double coupling gear, sliding rod is slidably inserted between front end board and rear end board, and the outer wall of sliding rod is fixedly sheathed with connecting gear, and connecting gear is engaged with adjacent double coupling gear, and one end of sliding rod is sleeved with spring.

[0007] Further, one side of the connecting gear is fixedly connected with a connecting column, one side of the front end plate is provided with a limiting groove, and the connecting column slides in the limiting groove.

[0008] Further, a plurality of through holes are arranged on the front end plate and the shell, and a connecting screw is inserted between the through holes of the front end plate and the through holes of the shell.

[0009] Further, a plurality of threaded holes are arranged on one side of the rear end plate, and the connecting screw is screwedly inserted with the threaded holes.

[0010] Further, the plurality of side walls of the shell are fixedly connected with a plurality of limiting plates, and the front end plate and the rear end plate are located between the plurality of limiting plates.

[0011] The hand-automatic integrated gear box has the advantages that:

[0012] 1. By pushing the sliding rod, the connecting gear is separated from the double gear, and then the sliding rod is twisted to realize the manual opening and closing of the valve, then the sliding rod is released, and the connecting gear is engaged with the adjacent double gear under the elastic action of the spring, so that the opening and closing of the valve is realized by the motor, thereby realizing the conversion of manual and electric operation, so as to ensure the basic operation of the valve in some emergency situations or when the electric system fails.

[0013] 2. The connecting screw is inserted into the through hole and the threaded hole, so that the front end plate, the shell and the rear end plate are installed, and the operation is simple, convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a right side perspective structural schematic view of the hand-automatic integrated gear box;

[0015] Figure 2 It is a left side perspective structural schematic view of the hand-automatic integrated gear box;

[0016] Figure 3 It is a front end plate and a driving assembly structure schematic view of the hand-automatic integrated gear box;

[0017] Figure 4 It is a shell and an internal driving assembly structure schematic view of the hand-automatic integrated gear box;

[0018] Figure 5 It is a partial sectional plan view structural schematic view of the hand-automatic integrated gear box;

[0019] Figure 6 It is a partial perspective structural schematic view of the hand-automatic integrated gear box.

[0020] In the figure: 1, front end plate; 2, shell; 3, rear end plate; 4, driving assembly; 401, bearing shaft; 402, double gear; 5, motor; 6, driving gear; 7, sliding rod; 8, connecting gear; 9, spring; 10, connecting column; 11, limiting groove; 12, through hole; 13, threaded hole; 14, connecting screw; 15, limiting plate. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0022] With reference to Figures 1-6 , the hand-automatic gear box comprises a front end plate 1, a shell 2 and a rear end plate 3, the shell 2 is internally provided with a transmission assembly 4, the transmission assembly 4 comprises a plurality of supporting shafts 401, the supporting shafts 401 are fixedly inserted into the inner side of the front end plate 1, the outer wall of the supporting shaft 401 is rotatably sleeved with a double gear 402, the adjacent two double gears 402 are engaged with each other, the outer side of the front end plate 1 is fixedly provided with a motor 5 through bolts, the output end of the motor 5 is connected with a driving gear 6 through keys penetrating through the front end plate 1, the driving gear 6 is engaged with the adjacent double gear 402, the front end plate 1 and the rear end plate 3 are slidably inserted with a sliding rod 7, the outer wall of the sliding rod 7 is fixedly sleeved with a connecting gear 8, the sliding rod 7 drives the connecting gear 8 to move, so that the connecting gear 8 is separated from the double gear 402, the sliding rod 7 is further twisted to realize the opening and closing of the valve, the connecting gear 8 is engaged with the adjacent double gear 402, the driving gear 6 is rotated under the driving of the motor 5, the sliding rod 7 is further rotated under the engagement of the double gear 402 with the driving gear 6 and the connecting gear 8, so as to realize the opening and closing of the valve, one end of the sliding rod 7 is sleeved with a spring 9, the sliding rod 7 is loosened, the connecting gear 8 is reset under the elastic action of the spring 9, so as to be engaged with the adjacent double gear 402.

[0023] One side of the connecting gear 8 is integrally formed with a connecting column 10, one side of the front end plate 1 is provided with a limiting groove 11, the connecting column 10 slides in the limiting groove 11, so as to limit the rotation range of the sliding rod 7, a plurality of through holes 12 are arranged on the front end plate 1 and the shell 2, the connecting screw 14 is inserted between the through hole 12 of the front end plate 1 and the through hole 12 of the shell 2, one side of the rear end plate 3 is provided with a plurality of threaded holes 13, the connecting screw 14 is screwingly inserted into the threaded hole 13, the connecting screw 14 is inserted into the through hole 12 and the threaded hole 13, so as to facilitate the installation of the front end plate 1, the shell 2 and the rear end plate 3, a plurality of limiting plates 15 are welded on the outer wall of the shell 2, the front end plate 1 and the rear end plate 3 are located between the plurality of limiting plates 15, so as to limit the installation of the front end plate 1 and the rear end plate 3.

[0024] The working principle of the embodiment is that the sliding rod 7 is connected with the valve, when the motor 5 is driven, the driving gear 6 is rotated, the sliding rod 7 is further rotated under the engagement of the double gear 402 with the driving gear 6 and the connecting gear 8, so as to realize the opening and closing of the valve.

[0025] In manual mode, the sliding rod 7 is pushed to drive the connecting gear 8 to move, so that the connecting gear 8 is separated from the double gear 402, the sliding rod 7 is twisted to realize opening and closing of the valve, and the connecting column 10 is driven to slide in the limiting groove 11, so that the rotation amplitude of the sliding rod 7 is limited.

[0026] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A power shift transmission comprising a front end plate (1), a housing (2) and a rear end plate (3), characterized in that The shell (2) is provided with a transmission assembly (4), the transmission assembly (4) includes a plurality of supporting shafts (401), the supporting shaft (401) is fixedly inserted in the inner side of the front end plate (1), the outer wall of the supporting shaft (401) is rotatably sleeved with a double gear (402), the adjacent two double gears (402) are engaged, the outer side of the front end plate (1) is fixedly connected with a motor (5), the output end of the motor (5) is connected with a driving gear (6) through the front end plate (1), the driving gear (6) is engaged with the adjacent double gear (402), the front end plate (1) and the rear end plate (3) are slidably inserted with a sliding rod (7), the outer wall of the sliding rod (7) is fixedly sleeved with a connecting gear (8), the connecting gear (8) is engaged with the adjacent double gear (402), one end of the sliding rod (7) is sleeved with a spring (9).

2. The automated manual transmission gearbox according to claim 1, characterized in that The connecting gear (8) is fixedly connected with a connecting column (10) on one side, the front end plate (1) is provided with a limiting groove (11) on one side, and the connecting column (10) slides in the limiting groove (11).

3. The automated manual transmission gear box of claim 1, wherein, The front end plate (1) and the shell (2) are provided with a plurality of through holes (12), and the through holes (12) of the front end plate (1) and the through holes (12) of the shell (2) are inserted with connecting screws (14).

4. The automated manual transmission gear box of claim 3, wherein, The rear end plate (3) is provided with a plurality of threaded holes (13) on one side, and the connecting screws (14) are threadedly inserted into the threaded holes (13).

5. The automated manual transmission gear box of claim 1, wherein, The outer wall of the shell (2) is fixedly connected with a plurality of limiting plates (15), and the front end plate (1) and the rear end plate (3) are located between the plurality of limiting plates (15).

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