CN214946100U

CN214946100U - Vehicle chain with anti-drop protection mechanism

Info

Publication number: CN214946100U
Application number: CN202022932746.XU
Authority: CN
Inventors: 钟富秋
Original assignee: Jiangsu Chiyuan Chain Co ltd
Current assignee: Jiangsu Chiyuan Chain Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-30
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an automobile-used chain with anticreep protection machanism, including chain main part and anticreep mechanism, the chain main part is formed by the concatenation of a plurality of chain festival, the chain festival is by the link joint, pivot and bolt are constituteed, be provided with the shaft hole on the link joint, the link joint passes the shaft hole through the pivot and rotates with the pivot to be connected, the center that the bolt passed the pivot is connected link joint and pivot, the outer terminal surface in middle part of pivot is provided with the fixed slot, anticreep mechanism is by the fixing base, gear and elastic rod constitute, be provided with the spout on the fixing base, the center that overlooks of gear rotates and is connected with the slide-shaft, slide-shaft and spout sliding connection. Utility model sets up the fixed slot in the pivot, makes the chain main part align between two parties with the gear all the time, reduces its slippage probability, through installing anti-disengaging mechanism in chain main part upper end, makes the ageing back of chain main part still can keep the state of straining, greatly reduced the chain main part because of the probability that relaxes and drop to the life and the security of chain main part have been promoted greatly.

Description

Vehicle chain with anti-drop protection mechanism

Technical Field

The utility model belongs to the technical field of the chain, specifically be for have anticreep protection mechanism's automobile-used chain.

Background

Chain transmission is a transmission mode for transmitting the power of a driving sprocket with a special tooth form to a driven sprocket through a chain, and a roller chain is one of the most widely used transmission chains, widely used in household, industrial and agricultural machinery, including conveyors, plotters, printers, automobiles, motorcycles, bicycles, and the like.

The license publication No. CN206600413U discloses a motorcycle chain for preventing from separating from a chain wheel, which comprises a roller, wherein the roller is sleeved on the outer surface of a sleeve, partition plates are sleeved at two ends of the outer surface of the sleeve and are arranged at two ends of the roller, the end surfaces of the partition plates are closely matched with the end surfaces of the roller, and the diameter of each partition plate is larger than that of the roller; chain plates are sleeved between the end part of the outer surface of the sleeve and the partition plate, pin holes are formed in the chain plates, and the chain plates are in pin joint through the matching of a second pin shaft and the pin holes; a first pin shaft is sleeved on the inner surface of the sleeve; the roller is in clearance fit with the sleeve, and the sleeve is in clearance fit with the first pin shaft; the sleeve and the partition plate, and the second pin shaft and the chain plate are in interference fit; the head of the first pin shaft is provided with a baffle which is in a frustum shape; and extension blocks are arranged at two ends of the chain plate, and pin holes are formed in the extension blocks.

According to the motorcycle chain for preventing the chain wheel from being separated, after the chain is used for a long time, gaps are generated between chain sections, so that the chain is loosened and easy to fall off, a vehicle cannot normally run, and potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain for vehicle with anticreep protection machanism to solve the problem that chain drops easily among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: automobile-used chain with anticreep protection mechanism, including chain main part and anticreep mechanism, the chain main part is formed by the concatenation of a plurality of chain festival, the chain festival comprises link joint, pivot and bolt, be provided with the shaft hole on the link joint, the link joint passes the shaft hole through the pivot and rotates with the pivot to be connected, the bolt passes the center of pivot and is connected link joint and pivot, the outer terminal surface in middle part of pivot is provided with the fixed slot, anticreep mechanism comprises fixing base, gear and elastic rod, the fixing base passes through elastic rod elastic connection with the gear.

Preferably, the fixing groove is an annular notch, the length of the fixing groove is two thirds of the shortest distance of the chain plate, and the side end face of the fixing groove can limit the gear, so that the gear is aligned with the chain body in the middle, and the gear is prevented from laterally moving on the chain body.

Preferably, the fixing seat is provided with a sliding groove, the overlooking center of the gear is rotatably connected with a sliding shaft, the sliding shaft is slidably connected with the sliding groove, the elastic rod is welded at the top of the sliding groove and extrudes the sliding shaft through the elastic rod, so that the gear continuously extrudes the chain main body downwards, and when the chain main body is aged and loosened, the gear can increase the path of the chain main body, so that the chain main body is kept tight.

Preferably, the elastic rod consists of a fixed sleeve, a sliding rod and a spring, the fixed sleeve is elastically connected with the sliding rod through the spring, the chain body upwards extrudes the sliding rod to enable the sliding rod and the fixed sleeve to extrude the spring, the spring is compressed, and after the chain body is loosened, the sliding rod downwards moves due to the reset action of the spring, so that the chain body is continuously extruded to be tightened.

Preferably, the lower end face of the slide rod is of a circular arc structure, so that the lower end face of the slide rod is attached to the outer end face of the slide shaft, and the slide shaft is prevented from slipping.

Preferably, the fixing base is a U-shaped stainless steel plate, the distance between the inner end faces of the fixing base is slightly larger than the width of the chain main body, the lower end face of the fixing base is of an inclined plane structure, the chain main body can conveniently move up and down in the fixing base, and the fixing base is prevented from being clamped with the chain main body.

Preferably, the upper end face and the side end face of the fixing seat are provided with fixing screw holes, and the fixing seat is convenient to select a proper position for fixing due to the multi-fixing screw hole structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses set up the fixed slot in the pivot, make the chain main part align between two parties with the gear all the time, reduce its slippage probability, through install anti-disengaging mechanism in chain main part upper end, make the ageing back of chain main part still can keep the state of straining, greatly reduced the chain main part because of the probability that relaxes and drop to the life and the security of chain main part have been promoted greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the chain link of the present invention;

fig. 4 is a sectional view of the elastic rod of the present invention.

In the figure: 1 chain main body, 11 chain sections, 111 chain plates, 112 rotating shafts, 113 bolts, 114 fixing grooves, 115 shaft holes, 2 anti-dropping mechanisms, 21 fixing seats, 211 sliding grooves, 212 fixing screw holes, 22 gears, 221 sliding shafts, 23 elastic rods, 231 fixing sleeves, 232 sliding rods and 233 springs.

Detailed Description

Referring to fig. 1, the chain for a vehicle with an anti-drop protection mechanism includes a chain main body 1 and an anti-drop mechanism 2, the chain main body 1 is formed by splicing a plurality of chain links 11, each chain link 11 is composed of a link plate 111, a rotating shaft 112 and a bolt 113, the link plate 111 is provided with a shaft hole 115, the link plate 111 passes through the shaft hole 115 through the rotating shaft 112 and is rotatably connected with the rotating shaft 112, the bolt 113 passes through the center of the rotating shaft 112 to connect the rotating shaft 112 with the link plate 111, the outer end face of the middle part of the rotating shaft 112 is provided with a fixing groove 114, the anti-drop mechanism 2 is composed of a fixing seat 21, a gear 22 and an elastic rod 23, and the fixing seat 21 is elastically connected with the gear 22 through the elastic rod 23.

Referring to fig. 2, a sliding groove 211 is formed in the fixing seat 21, a sliding shaft 221 is rotatably connected to a top view center of the gear 22, the sliding shaft 221 is slidably connected to the sliding groove 211, the elastic rod 23 is welded to the top of the sliding groove 211, the sliding shaft 221 is extruded through the elastic rod 23, so that the gear 22 continuously extrudes the chain main body 1 downward, when the chain main body 1 is aged and loosened, the gear 22 can increase a path of the chain main body 1, so that the chain main body 1 is kept tight, the fixing seat 21 is a U-shaped stainless steel plate, an interval between inner end surfaces of the fixing seat 21 is slightly larger than a width of the chain main body 1, a lower end surface of the fixing seat 21 is an inclined surface structure, the chain main body 1 can conveniently move up and down in the fixing seat 21, and the fixing seat 21 is prevented from being clamped to the chain main body 1.

Referring to fig. 3, the fixing groove 114 is a circular notch, the length of the fixing groove 114 is two thirds of the shortest distance between the link plates 111, and the side end surface of the fixing groove 114 can limit the gear 22, so that the gear 22 is aligned with the chain body 1 in the center, and the gear 22 is prevented from moving laterally on the chain body 1.

Referring to fig. 4, the elastic rod 23 is composed of a fixed sleeve 231, a sliding rod 232 and a spring 233, the fixed sleeve 231 is elastically connected with the sliding rod 232 through the spring 233, the chain body 1 presses the sliding rod 232 upwards, so that the sliding rod 232 and the fixed sleeve 231 press the spring 233, and the spring 233 is compressed, after the chain body 1 is loosened, due to the reset function of the spring 233, the sliding rod 232 moves downwards, so that the chain body 1 is continuously pressed to be tightened, the lower end surface of the sliding rod 232 is of an arc-shaped structure, so that the lower end surface of the sliding rod 232 is more attached to the outer end surface of the sliding shaft 221, and the sliding shaft 221 is prevented from slipping.

The working principle of the scheme is as follows: the utility model discloses when using, install chain main part 1 on the fluted disc, then aim at the clearance of chain festival 11 with the gear 22 of anti-disengaging mechanism 2, make gear 22 rotate with chain main part 1 and be connected, press down anti-disengaging mechanism 2, make chain main part 1 extrude slide bar 232 to fixed sleeve 231 top, then it is fixed with fixing base 21, chain main part 1 lax back, spring 233 extrudes slide bar 232 downwards, make gear 22 pressurize chain main part 1 downwards, make chain main part 1 tighten, avoid the slippage.

The utility model discloses set up fixed slot 114 in pivot 112, make chain main part 1 align with gear 22 between two parties all the time, reduce its slippage probability, through at chain main part 1 upper end installation anti-disengaging mechanism 2, make chain main part 1 still can keep the state of straining after ageing, greatly reduced chain main part 1 because of the probability that relaxes and drop to chain main part 1's life and security have been promoted greatly.

Claims

1. Automobile-used chain with anticreep protection mechanism, including chain main part (1) and anticreep mechanism (2), its characterized in that: chain main part (1) is formed by a plurality of chain festival (11) concatenations, chain festival (11) comprises link joint (111), pivot (112) and bolt (113), be provided with shaft hole (115) on link joint (111), link joint (111) are passed shaft hole (115) through pivot (112) and are rotated with pivot (112) and be connected, the center that pivot (112) were passed in bolt (113) is connected pivot (112) and link joint (111), the outer terminal surface in middle part of pivot (112) is provided with fixed slot (114), anti-disengaging mechanism (2) comprise fixing base (21), gear (22) and elastic rod (23), fixing base (21) pass through elastic rod (23) elastic connection with gear (22).

2. The vehicular chain with the anti-drop protection mechanism according to claim 1, wherein: the fixing grooves (114) are annular notches, and the length of the fixing grooves (114) is two thirds of the shortest distance between the chain plates (111).

3. The vehicular chain with the anti-drop protection mechanism according to claim 1, wherein: be provided with spout (211) on fixing base (21), the overlook center of gear (22) rotates and is connected with slide shaft (221), slide shaft (221) and spout (211) sliding connection, elastic rod (23) welding is at the top of spout (211).

4. The vehicular chain with the anti-drop protection mechanism according to claim 1, wherein: the elastic rod (23) is composed of a fixed sleeve (231), a sliding rod (232) and a spring (233), and the fixed sleeve (231) is elastically connected with the sliding rod (232) through the spring (233).

5. The vehicular chain with the anti-drop protection mechanism according to claim 4, wherein: the lower end surface of the sliding rod (232) is of a circular arc structure.

6. The vehicular chain with the anti-drop protection mechanism according to claim 1, wherein: the fixing seat (21) is a U-shaped stainless steel plate, the distance between the inner end faces of the fixing seat (21) is slightly larger than the width of the chain main body (1), and the lower end face of the fixing seat (21) is of an inclined plane structure.

7. The vehicular chain with the anti-drop protection mechanism according to claim 1, wherein: the upper end face and the side end face of the fixed seat (21) are both provided with fixed screw holes (212).