Waterproof belt conveying mechanism

Abstract

The utility model relates to a waterproof belt conveying mechanism which comprises a cross beam, a first wheel carrier, a second wheel carrier, a driving wheel, a driven wheel and a transmission belt, wherein the first wheel carrier and the second wheel carrier are arranged at the two ends of the cross beam; the driving wheel is arranged on the first wheel carrier; the driven wheel is arranged on the second wheel carrier; the driving wheel comprises a sparse gear body, a dense gear body, a first ball bearing and a driving shaft, the dense gear body is coaxially fixed to the side portion of the sparse gear body, the first ball bearing is arranged in a gear center hole of the sparse gear body, the driving shaft is arranged in the first ball bearing, a first sealing end cover is arranged in the sparse gear body, and a second sealing end cover is arranged in the dense gear body; the driven wheel comprises a smooth wheel body, a second ball bearing arranged in a wheel core hole of the smooth wheel body, and a driven shaft arranged in the second ball bearing; and orifices at two ends of the wheel core hole of the smooth wheel body are respectively provided with a third sealing end cover and a fourth sealing end cover. The waterproof fabric is good in waterproof performance.

Description

Technical Field

[0001] The utility model relates to a structural improvement of a belt transmission mechanism. Background Art

[0002] Belt transmission mechanisms are often used to transfer objects. The bearings of the driving wheel and the driven wheel of traditional belt transmission mechanisms have poor sealing properties and are not suitable for humid environments. Utility Model Content

[0003] The utility model aims to provide a belt transmission mechanism with good sealing performance and waterproofness.

[0004] The utility model adopts the following technical solutions:

[0005] The waterproof belt transmission mechanism comprises a crossbeam, a first wheel frame and a second wheel frame arranged at both ends of the crossbeam, a driving wheel arranged on the first wheel frame, a driven wheel arranged on the second wheel frame, and a transmission belt wound around the driving wheel and the driven wheel.

[0006] The driving wheel includes a sparse gear body, a dense gear body, a first ball bearing and a driving shaft. The dense gear body is thinner than the sparse gear body and is coaxially fixed to the side of the sparse gear body. The first ball bearing is fixedly arranged in the wheel center hole of the sparse gear body. The driving shaft is rotatably arranged in the first ball bearing and its two ends are respectively exposed outside the wheel center holes of the sparse gear body and the dense gear body; a first sealing end cover that seals the first ball bearing is fixedly arranged in the wheel center hole of the sparse gear body, and a second sealing end cover that seals the first ball bearing is fixedly arranged in the wheel center hole of the dense gear body. Both the first sealing end cover and the second sealing end cover are sealingly sleeved on the driving shaft through their respective center through holes.

[0007] The driven wheel includes a smooth wheel body, a second ball bearing fixedly arranged in the wheel core hole of the smooth wheel body, and a driven shaft rotatably arranged in the second ball bearing, and two ends of the driven shaft are respectively exposed on both sides of the smooth wheel body; the third sealing end cover and the fourth sealing end cover that seal the second ball bearing are respectively fixedly arranged at the openings at both ends of the wheel core hole of the smooth wheel body, and the third sealing end cover and the fourth sealing end cover are both sealingly sleeved on the driven shaft through their respective center holes.

[0008] As a preferred solution, the driving shaft is fixedly arranged horizontally in the first wheel frame so as to rotatably arrange the sparse gear body and the dense gear body on the first wheel frame.

[0009] As a preferred solution, the driven shaft is fixedly arranged transversely in the second wheel frame so that the smooth wheel body can be rotatably arranged on the second wheel frame.

[0010] As a preferred solution, the transmission belt is wound around the periphery of the crossbeam and the two ends are respectively wound around the sparse gear body and the smooth wheel body to connect the driven wheel to the driving wheel.

[0011] As a preferred solution, the waterproof belt transmission mechanism further comprises a driving gear meshing with the closely meshed gear body.

[0012] As a preferred solution, the waterproof belt transmission mechanism also includes a transmission shaft inserted and fixed in the wheel center hole of the driving gear.

[0013] The driving wheel and the driven wheel of the utility model are both sealed for the bearings, which can effectively prevent external humid air from entering the bearings, have good waterproof performance, and are particularly suitable for humid or even spraying environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the driving wheel structure of an embodiment of the utility model;

[0016] Figure 3 This is a cross-sectional view of the driving wheel of an embodiment of the utility model;

[0017] Figure 4 This is a cross-sectional view of a driven wheel according to an embodiment of the utility model. DETAILED DESCRIPTION

[0018] The present invention is described below in conjunction with the accompanying drawings and specific embodiments.

[0019] like Figure 1-4 As shown: a waterproof belt transmission mechanism includes a crossbeam 10, a first wheel frame 20 is fixedly mounted at one end of the crossbeam 10, and a driving wheel 30 is arranged on the first wheel frame 20. The driving wheel 30 includes a sparse gear body 31, a dense gear body 32, a first ball bearing 33 and a driving shaft 34. The dense gear body 32 is thinner than the sparse gear body 31 and is coaxially fixed to the side of the sparse gear body 31. The first ball bearing 33 is fixed in the wheel center hole of the sparse gear body 31. The driving shaft 34 is rotatably arranged in the first ball bearing 33 and its two ends are exposed outside the wheel center holes of the sparse gear body 31 and the dense gear body 32 respectively. In order to prevent external humid air from entering the first ball bearing 33, a first sealing end cover 35 is fixedly provided in the wheel center hole of the sparse gear body 31 to seal the first ball bearing 33, and a second sealing end cover 36 is fixedly provided in the wheel center hole of the dense gear body 32 to seal the first ball bearing 33. The first sealing end cover 35 and the second sealing end cover 36 are both sealed and sleeved with the driving shaft 34 through their respective central through holes. The driving shaft 33 is fixedly arranged horizontally in the first wheel frame 20, so that the sparse gear body 31 and the dense gear body 32 are rotatably arranged on the first wheel frame 20.

[0020] A second wheel frame 40 is provided at the other end of the crossbeam 10, and a driven wheel 50 is provided on the second wheel frame 40. The driven wheel 50 includes a smooth wheel body 51, a second ball bearing 52 fixedly arranged in the wheel core hole of the smooth wheel body 51, and a driven shaft 53 rotatably arranged in the second ball bearing 52, and the two ends of the driven shaft 53 are exposed on both sides of the smooth wheel body 51. In order to prevent external humid air from entering the second ball bearing 52, a third sealing end cover 54 and a fourth sealing end cover 55 are fixedly arranged at the two end openings of the wheel core hole of the smooth wheel body 51 to seal the second ball bearing 52 therein, and the third sealing end cover 54 and the fourth sealing end cover 55 are both sealed and sleeved with the driven shaft 53 through their respective center holes. The driven shaft 53 is fixedly arranged horizontally in the second wheel frame 40 to rotatably arrange the smooth wheel body 51 on the second wheel frame 40.

[0021] The transmission belt 60 is also included. The transmission belt 60 is wound around the periphery of the crossbeam 10 and has two ends respectively wound around the sparse gear body 31 and the smooth wheel body 51 to transmit and connect the driven wheel 50 to the driving wheel 30.

[0022] The drive gear 70 and the transmission shaft 80 are also included. The drive gear 70 is meshed with the gear body 32 , and the transmission shaft 80 is inserted and fixed in the wheel center hole of the drive gear 70 .

Claims

1. A waterproof belt transmission mechanism, comprising a crossbeam, a first wheel frame and a second wheel frame arranged at both ends of the crossbeam, a driving wheel arranged on the first wheel frame, a driven wheel arranged on the second wheel frame, and a transmission belt wound around the driving wheel and the driven wheel; characterized in that: The driving wheel comprises a sparse gear body, a dense gear body, a first ball bearing and a driving shaft. The dense gear body is thinner than the sparse gear body and is coaxially fixed to the side of the sparse gear body. The first ball bearing is fixedly arranged in the wheel center hole of the sparse gear body. The driving shaft is rotatably arranged in the first ball bearing and its two ends are respectively exposed outside the wheel center holes of the sparse gear body and the dense gear body. A first sealing end cover is fixedly arranged in the wheel center hole of the sparse gear body to seal the first ball bearing inside, and a second sealing end cover is fixedly arranged in the wheel center hole of the dense gear body to seal the first ball bearing inside. The first sealing end cover and the second sealing end cover are both sealingly sleeved on the driving shaft through their respective central through holes. The driven wheel includes a smooth wheel body, a second ball bearing fixedly arranged in the wheel core hole of the smooth wheel body, and a driven shaft rotatably arranged in the second ball bearing, and two ends of the driven shaft are respectively exposed on both sides of the smooth wheel body; the third sealing end cover and the fourth sealing end cover that seal the second ball bearing are respectively fixedly arranged at the openings at both ends of the wheel core hole of the smooth wheel body, and the third sealing end cover and the fourth sealing end cover are both sealingly sleeved on the driven shaft through their respective center holes.

2. The waterproof belt conveyor mechanism according to claim 1, characterized in that: The driving shaft is fixedly arranged horizontally in the first wheel frame so as to rotatably arrange the sparse gear body and the dense gear body on the first wheel frame.

3. The waterproof belt conveyor mechanism according to claim 2, characterized in that: The driven shaft is fixedly arranged horizontally in the second wheel frame so as to rotatably arrange the smooth wheel body on the second wheel frame.

4. The waterproof belt conveyor mechanism according to claim 3, characterized in that: The transmission belt is wound around the periphery of the cross beam, and the two ends of the belt are respectively wound around the sparse gear body and the smooth wheel body, so as to transmit and connect the driven wheel to the driving wheel.

5. The waterproof belt conveyor mechanism according to claim 1, characterized in that: Also included is a drive gear that meshes closely with the gear body.

6. The waterproof belt conveyor mechanism according to claim 5, characterized in that: It also includes a transmission shaft which is inserted and fixed in the wheel center hole of the driving gear.

Images