CN220956640U - Driven sprocket capable of eliminating transmission fluctuation - Google Patents

Abstract

The utility model provides a driven sprocket capable of eliminating transmission fluctuation, and belongs to the technical field of sprockets. The driven sprocket capable of eliminating transmission fluctuation comprises a driven sprocket, wherein a ring gear is sleeved on the outer periphery side of the driven sprocket, a plurality of balls are arranged between the ring gear and the driven sprocket, fixing columns are fixed on the end faces of two sides of the driven sprocket, and a supporting component is sleeved on the fixing columns; the supporting component comprises a supporting plate and a sleeve cover, the supporting plate is sleeved on the fixed column through a bearing, and the sleeve cover is buckled on the supporting plate and is in sliding connection with the supporting plate.

Description

Driven sprocket capable of eliminating transmission fluctuation

Technical Field

The utility model belongs to the field of chain wheels, and particularly relates to a driven chain wheel capable of eliminating transmission fluctuation.

Background

The sprocket is a kind of wheel with cog type sprocket for meshing with blocks with accurate pitch on chain links or cables, the sprocket usually has a driving sprocket and a driven sprocket, the driving sprocket is the main power output, the driven sprocket is usually the function of transmitting power or the function of supporting, for example, when the chain drives the conveyor belt to do the rotary motion, the driven sprocket only has the function of supporting cooperation.

When the chain is loose, the direct distance between the two chain wheels is mostly and directly adjusted nowadays, but when the device driven by the chain wheels is at a fixed distance, the distance between the two chain wheels cannot be adjusted, and the machine is stopped to adjust the chain, so that the operation is extremely complicated, and the normal work of the chain wheels is greatly influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a driven sprocket capable of eliminating transmission fluctuation.

In order to achieve the above purpose, the present utility model provides a driven sprocket capable of eliminating transmission fluctuation, comprising a driven sprocket, wherein a ring gear is sleeved on the outer circumference side of the driven sprocket, a plurality of balls are arranged between the ring gear and the driven sprocket, and the present utility model is characterized in that: fixing columns are fixed on the end faces of two sides of the driven sprocket, and support assemblies are sleeved on the fixing columns;

The support assembly comprises a support plate and a sleeve cover, the support plate is sleeved on the fixing column through a bearing, the sleeve cover is buckled on the support plate and is in sliding connection with the support plate, a handle is sleeved on one side of the support plate, the handle is in elastic connection with the support plate, a through hole is formed in the other side of the support plate, a gear shaft is fixed on the sleeve cover, the gear shaft penetrates through the through hole of the support plate and extends to the outside, an auxiliary wheel is connected to the gear shaft in a rotating mode, and the auxiliary wheel and the ring gear are located at the same horizontal position.

Optionally, at least two spacing holes have been seted up to the periphery side of fixed column, the handle is kept away from a side of driven sprocket the central line department extension of driven sprocket, be fixed with the spacer pin on the extension of handle, the spacer pin orientation spacing hole and cooperate with it, at least two draw-in grooves have been seted up with the staggered position of backup pad to the extension of spacer pin.

Optionally, a clamping shaft is arranged in the clamping groove, two sides of the clamping shaft are fixed with the clamping shaft, the clamping shaft extends to penetrate through the sleeve cover in the direction of the sleeve cover, two clamping plates are fixed at the other ends of the clamping shaft, and an extrusion spring is fixed between the clamping plates and the sleeve cover.

Optionally, the cross section size of the clamping shaft is smaller than half of the cross section of the clamping groove.

Optionally, the locating pin is kept away from one side of handle is the toper setting, and the height of toper is less than the degree of depth of spacing hole.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. Because the setting of supporting component, so the accessible pulls out the handle, makes supporting component rotate at will, through rotating supporting component, makes the auxiliary wheel contact the chain to in its meshing together, can support the chain and straighten this moment, thereby reduce its in driven in-process and produce the shake, and also can directly operate at the in-process of chain work.

2. The pull plate is pulled to move the position of the clamping shaft in the clamping groove, and then the position of the auxiliary wheel can be adjusted when the handle is pulled again, namely the length of the auxiliary wheel distance fixing column is changed, so that the supporting effect of the supporting component is changed, the rotating radius of the supporting component can be adjusted according to the tightness degree of the chain, and the transmission fluctuation of the chain is eliminated better.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front view of the present utility model.

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with the present utility model.

Fig. 4 is an enlarged view of the present utility model at B in fig. 3.

10. A driven sprocket; 11. a ring gear; 12. a ball; 13. fixing the column; 14. a bearing; 15. a support plate; 16. a limiting hole; 17. a cover; 18. a handle; 19. a limiting pin; 20. a gear shaft; 21. an auxiliary wheel; 22. a clamping groove; 23. a clamping shaft; 24. pulling the plate.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in figures 1-4, a driven sprocket capable of eliminating transmission fluctuation comprises a driven sprocket 10, a ring gear 11 is sleeved on the outer periphery side of the driven sprocket 10, a plurality of balls 12 are arranged between the ring gear 11 and the driven sprocket 10, fixing columns 13 are fixed on the end faces of two sides of the driven sprocket 10, and a supporting component is sleeved on the fixing columns 13; the supporting component comprises a supporting plate 15 and a sleeve cover 17, the supporting plate 15 is sleeved on the fixed column 13 through a bearing 14, the sleeve cover 17 is buckled on the supporting plate 15 and is in sliding connection with the supporting plate 15, a handle 18 is sleeved on one side of the supporting plate 15, the handle 18 is in elastic connection with the supporting plate 15, namely, an extension spring is arranged between the supporting plate 15 and the inner wall of the handle 18, a limiting pin 19 can be always in a state of being inserted into a limiting hole 16 under the condition of no external force intervention through the extension spring, the situation that a conveying chain is blocked due to false touch is avoided, a through hole is formed in the other side of the supporting plate 15, a gear shaft 20 is fixed on the sleeve cover 17, the gear shaft 20 penetrates through the through hole of the supporting plate 15 to the outside, an auxiliary wheel 21 is rotationally connected to the gear shaft 20, and the auxiliary wheel 21 and the ring gear 11 are positioned at the same horizontal position.

At least two limiting holes 16 are formed in the outer periphery side of the fixing column 13, one side, far away from the driven sprocket 10, of the handle 18 extends towards the center line of the driven sprocket 10, a limiting pin 19 is fixed on the extending portion of the handle 18, the limiting pin 19 faces the limiting holes 16 and is matched with the limiting holes, one side, far away from the handle 18, of the limiting pin 19 is arranged in a conical mode, the conical height is smaller than the depth of the limiting holes 16, the limiting pin 19 is enabled to enter the limiting holes 16 more smoothly, at least two clamping grooves 22 are formed in the staggered position of the extending portion of the limiting pin 19 and the supporting plate 15, clamping shafts 23 are arranged in the clamping grooves 22, 25 are fixed on two sides of the clamping shafts 23 and extend to penetrate through the sleeve cover 17 in the direction of the sleeve cover 17, a pulling plate 24 is fixed on the other ends of the two 25, an extrusion spring is fixed between the pulling plate 24 and the sleeve cover 17, and the cross section of the clamping shafts 23 is smaller than half of the cross section of the clamping grooves 22, and the clamping shafts 23 are enabled to be in the clamping grooves 22 on one side, and movement of the clamping grooves 22 on the other side is not affected.

When the chain is used, the driven sprocket 10 is fixed on the fixing piece through the fixing column 13 at one side far away from the supporting component, then the chain is sleeved on the ring gear 11, the chain can rotate at the moment, if the chain is loose, the handle 18 can be pulled to the direction far away from the fixing column 13 directly, the limit pin 19 can be pulled out of the limit hole 16 through the handle 18, at the moment, the supporting component can rotate at will, the auxiliary wheel 21 is enabled to contact with the chain through rotating the supporting component and meshed with the chain, at the moment, the chain can be supported to be straightened, so that shaking is generated in the transmission process, after the supporting purpose is achieved, the handle 18 can be loosened, the handle 18 can be inserted into the limit hole 16 again under the action of the tension spring, the limit pin 19 is limited, and the auxiliary wheel 21 can achieve the purpose of supporting both inside and outside the upper chain and the lower chain of the chain.

When the chain looseness is too large, the pull plate 24 is required to be pulled firstly to drive the clamping shaft 23 to enter the clamping groove 22 in the handle 18, the sleeve cover 17 can be driven to slide by pulling the handle 18 under the limit of the clamping shaft 23, and the position of the auxiliary wheel 21 is adjusted, namely the length of the auxiliary wheel 21 from the fixed column 13, so that the supporting effect of the supporting component is changed, the rotating radius of the supporting component can be adjusted according to the tightness degree of the chain, and the transmission fluctuation of the chain is eliminated better.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Claims (5)

1. The utility model provides a driven sprocket that can eliminate transmission fluctuation, includes driven sprocket (10), driven sprocket (10) periphery side cover is equipped with ring gear (11), ring gear (11) with be equipped with a plurality of ball (12), its characterized in that between driven sprocket (10): fixing columns (13) are fixed on the end faces of two sides of the driven sprocket (10), and supporting components are sleeved on the fixing columns (13);

The support assembly comprises a support plate (15) and a sleeve cover (17), the support plate (15) is sleeved on the fixed column (13) through a bearing (14), the sleeve cover (17) is buckled on the support plate (15) and is in sliding connection with the support plate, a handle (18) is sleeved on one side of the support plate (15), the handle (18) is in elastic connection with the support plate (15), a through hole is formed in the other side of the support plate (15), a gear shaft (20) is fixed on the sleeve cover (17), the gear shaft (20) penetrates through the through hole of the support plate (15) to the outside, an auxiliary wheel (21) is connected to the gear shaft (20) in a rotating mode, and the auxiliary wheel (21) and the ring gear (11) are located at the same horizontal position.

2. A driven sprocket capable of eliminating transmission fluctuations as set forth in claim 1, wherein: at least two limiting holes (16) are formed in the outer periphery of the fixing column (13), one side of the handle (18), far away from the driven sprocket (10), extends towards the center line of the driven sprocket (10), a limiting pin (19) is fixed on the extending part of the handle (18), the limiting pin (19) faces the limiting holes (16) and is matched with the limiting holes, and at least two clamping grooves (22) are formed in the staggered positions of the extending part of the limiting pin (19) and the supporting plate (15).

3. A driven sprocket capable of eliminating transmission fluctuations as set forth in claim 2, wherein: the clamping groove (22) is internally provided with a clamping shaft (23), two sides of the clamping shaft (23) are fixedly provided with a clamping shaft (25), the clamping shaft (25) extends to penetrate through the sleeve cover (17) in the direction of the sleeve cover (17), the other ends of the clamping shaft (25) are fixedly provided with pull plates (24), and extrusion springs are fixedly arranged between the pull plates (24) and the sleeve cover (17).

4. A driven sprocket capable of eliminating transmission fluctuations as set forth in claim 3, wherein: the cross section of the clamping shaft (23) is smaller than half of the cross section of the clamping groove (22).

5. A driven sprocket capable of eliminating transmission fluctuations as set forth in claim 2, wherein: the side, far away from the handle (18), of the limiting pin (19) is in a conical shape, and the height of the conical shape is smaller than the depth of the limiting hole (16).