CN216789116U

CN216789116U - Reinforced tooth-shaped chain

Info

Publication number: CN216789116U
Application number: CN202122782966.3U
Authority: CN
Inventors: 李林新
Original assignee: Shanghai Juxin Automation Technology Co ltd
Current assignee: Shanghai Juxin Automation Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-06-21
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of toothed chains, in particular to a reinforced toothed chain. The technical scheme is as follows: the chain type chain-shaped structure is assembled by alternately assembling the inner tooth chain plates through pin shafts, shaft caps are fixedly connected to the end portions of the pin shafts, outer tooth chain plates are arranged on the outer sides of the inner tooth chain plates, the two ends of each outer tooth chain plate are respectively sleeved with the corresponding pin shafts, and a brace capable of inwards extruding the two pin shafts at the corresponding positions is slidably connected to the outer surfaces of the outer tooth chain plates. According to the design of the brace, two adjacent pin shafts can be extruded inwards, so that the outward pulling force of a part of pin shafts on the external tooth chain plate is counteracted, the strength of the external tooth chain plate is improved, and the service life of the toothed chain is prolonged; this application is connected the design through the meshing between pinion and the brace, can drive two brace reverse motions, not only can exert the same extrusion force with the equilibrium of holding power to two round pin axles as far as possible, and easily operate more.

Description

Reinforced tooth-shaped chain

Technical Field

The utility model relates to the technical field of a tooth-shaped chain, in particular to a reinforced tooth-shaped chain.

Background

The toothed chain is formed by assembling a series of toothed chain plates alternately and combining pin shafts and the like, and hinge joints are arranged between adjacent pitches. The whole chain body is in a tensioning state in the transmission use process of the existing toothed chain, and the toothed chain plate is always under the action of force pulled by two sides of the pin shaft in the axial direction because two ends of the toothed chain plate are sleeved with the pin shaft, so that the toothed chain plate is extremely easy to break.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reinforced toothed chain aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: the reinforced toothed chain comprises a plurality of inner-tooth chain plates, wherein chain structures are assembled among the inner-tooth chain plates through pin shafts in an alternating assembly mode, the end portions of the pin shafts are fixedly connected with shaft caps, outer-tooth chain plates are arranged on the outer sides of the inner-tooth chain plates, the two ends of each outer-tooth chain plate are respectively sleeved with the corresponding pin shaft, the outer surfaces of the outer-tooth chain plates are connected with a pair of braces capable of inwards extruding the two pin shafts at the corresponding positions in a sliding mode, and the two braces are arranged in an up-down oblique symmetrical mode.

Preferably, a pinion gear is rotatably connected to the center position of the outer surface of the external tooth link plate, and the pinion gear is simultaneously in meshing connection with the two braces.

Preferably, the brace includes the tractive turn, the one end fixedly connected with balancing part of tractive turn, the other end fixedly connected with of tractive turn can mesh the rack portion of being connected with the pinion.

Preferably, the outer surface of the brace facing the outer tooth chain plate is fixedly connected with a sliding block, and the outer surface of the outer tooth chain plate is provided with a sliding groove capable of being connected with the sliding block in a sliding and clamping manner.

Preferably, the outer surface of the external tooth chain plate is fixedly connected with a fixed block, and the fixed block is in threaded connection with a limiting screw shaft capable of clamping and limiting the pinion.

Preferably, a shaft handle for rotating the pinion is fixedly connected to the end surface of the pinion.

Compared with the prior art, the utility model has the beneficial effects that:

(1): according to the design of the brace, two adjacent pin shafts can be extruded inwards, so that the outward pulling force of a part of pin shafts on the external tooth chain plate is counteracted, the strength of the external tooth chain plate is improved, and the service life of the toothed chain is prolonged;

(2): the two brace bars can be driven to move reversely through the meshing connection design between the pinion and the brace bars, so that the same extrusion force can be applied to the two pin shafts as far as possible to keep the balance of the force, and the operation is easier;

(3): this application can carry on spacingly to the pinion through the design of fixed block and spacing spiral shell axle to improve the spacing effect to two braces.

Drawings

FIG. 1 is a schematic top view of an embodiment of the present invention;

fig. 2 is a front view of the outer tooth link plate of fig. 1.

Reference numerals: 1. an internal tooth chain plate; 2. an external tooth chain plate; 3. a pin shaft; 4. a shaft cap; 5. bracing; 51. drawing the bent part; 52. a rack portion; 53. a balancing section; 6. a pinion gear; 7. a mandrel; 8. a fixed block; 9. a limiting screw shaft; 10. a chute.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the reinforced toothed chain provided by the utility model comprises a plurality of inner toothed chain plates 1, wherein the inner toothed chain plates 1 are assembled into a chain structure through pin shafts 3 in an alternating assembly manner, the end parts of the pin shafts 3 are fixedly connected with shaft caps 4, outer toothed chain plates 2 are arranged on the outer sides of the inner toothed chain plates 1, two ends of each outer toothed chain plate 2 are respectively sleeved with the corresponding pin shaft 3, the outer surfaces of the outer toothed chain plates 2 are slidably connected with a pair of braces 5 capable of inwards extruding the two corresponding pin shafts 3, and the two braces 5 are arranged in an up-down oblique symmetry manner. The center position of the outer surface of the external tooth chain plate 2 is rotatably connected with a pinion 6, the end surface of the pinion 6 is fixedly connected with a shaft handle 7 for rotating the pinion 6, and the pinion 6 is simultaneously meshed with the two braces 5. The brace 5 includes a pulling bent portion 51, a balance portion 53 is fixedly connected to one end of the pulling bent portion 51, and a rack portion 52 that can be engaged with the pinion 6 is fixedly connected to the other end of the pulling bent portion 51. The outer surface of the brace 5 facing the outer tooth chain plate 2 is fixedly connected with a sliding block, and the outer surface of the outer tooth chain plate 2 is provided with a sliding groove 10 which can be connected with the sliding block in a sliding clamping manner.

In the embodiment, after the toothed chain is assembled and molded, the shaft handle 7 is rotated to drive the pinion 6 to rotate, the pinion 6 drives the two pull strips 5 to be close to each other through the meshing connection between the pinion 6 and the two rack parts 52, so that the two pin shafts 3 are extruded inwards through the drawing bent part 51 to counteract the outward drawing force of the pin shafts 3 on the external tooth chain plate 2 in the use process of a part of the toothed chain, further the strength of the external tooth chain plate 2 is improved, and the service life of the toothed chain is prolonged; subsequently, the shaft cap 4 is sleeved at the end part of the pin shaft 3, and the brace 5 is extruded on the surface of the external tooth chain plate 2 by the shaft cap 4, so that the brace 5 can be limited.

Example two

Compared with the first embodiment, the present embodiment further includes: the outer surface of the external tooth chain plate 2 is fixedly connected with a fixed block 8, and the fixed block 8 is in threaded connection with a limit screw shaft 9 which can be used for clamping and limiting the pinion 6.

In the embodiment, after the related operation of the braces 5 in the first embodiment, the limiting screw shaft 9 is rotated, the limiting screw shaft 9 is driven to move towards the direction close to the pinion 6 through the threaded screwing connection between the limiting screw shaft 9 and the fixing block 8 until the end part of the limiting screw shaft 9 is clamped into the edge tooth socket of the pinion 6, so that the pinion 6 can be limited, and the limiting effect on the two braces 5 is improved on the basis of the first embodiment.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a strenghthened type profile of tooth chain, includes a plurality of inner tooth link plates (1), its characterized in that: the chain type structure is assembled by alternately assembling the pin shafts (3) between the inner tooth chain plates (1), the end parts of the pin shafts (3) are fixedly connected with shaft caps (4), the outer sides of the inner tooth chain plates (1) are provided with outer tooth chain plates (2), the two ends of each outer tooth chain plate (2) are respectively sleeved with the pin shafts (3) corresponding to the positions, the outer surfaces of the outer tooth chain plates (2) are slidably connected with two pairs of braces (5) capable of inwards extruding the two pin shafts (3) corresponding to the positions, and the braces (5) are arranged in an up-down oblique symmetry manner.

2. A reinforced toothed chain according to claim 1, characterized in that a pinion (6) is rotatably connected to the central position of the outer surface of said external tooth link plate (2), and said pinion (6) is simultaneously engaged with two pulling strips (5).

3. A reinforced toothed chain according to claim 2, characterized in that said stay (5) comprises a pulling bend (51), one end of said pulling bend (51) being fixedly connected with a balance (53), the other end of said pulling bend (51) being fixedly connected with a rack (52) capable of engaging with the pinion (6).

4. The reinforced toothed chain according to claim 3, wherein a sliding block is fixedly connected to the outer surface of the brace (5) facing the external tooth chain plate (2), and a sliding groove (10) capable of being connected with the sliding block in a sliding and clamping manner is formed in the outer surface of the external tooth chain plate (2).

5. A reinforced toothed chain according to claim 2, characterized in that the external surface of the external toothed link plate (2) is fixedly connected with a fixed block (8), and the fixed block (8) is screwed with a limit screw shaft (9) capable of clamping and limiting the pinion (6).

6. A reinforced toothed chain according to claim 2, characterized in that the end face of the pinion (6) is fixedly connected with a shank (7) for rotating the pinion (6).