CN209781572U

CN209781572U - Transmission chain

Info

Publication number: CN209781572U
Application number: CN201920335450.4U
Authority: CN
Inventors: 王文梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2019-12-13
Anticipated expiration: 2029-03-14

Abstract

A transmission chain relates to the technical field of chain transmission. The utility model provides a it contains the chain body, the inner plate, first sleeve, the second sleeve, the noise elimination is cotton, first link joint, the second link joint, outer link joint, the rubber pad, the round pin, the chain body contains inner plate and outer link joint, the outer link joint sets up in the inner plate outside, first sleeve sets up in second sleeve left side position, the second link joint sets up in first link joint front side, first sleeve and second sleeve set up between first link joint and second link joint, first sleeve and the inside noise elimination cotton that all sets up of second sleeve, outer link joint inboard sets up the one deck rubber pad, inner plate and outer link joint pass through round pin fixed connection. After the technical scheme is adopted, the beneficial effects of the utility model are that: its structural design is reasonable, and noise reduction effect is good, has improved people and has felt the use of transmission chain, is fit for using widely.

Description

Transmission chain

Technical Field

The utility model relates to a chain drive technical field, concretely relates to drive chain.

Background

The chain transmission consists of two gears and a middle flexible piece wound on the two gears, namely a chain, and the chain and the gears are meshed to transmit the motion and the power between two parallel shafts, which belongs to forced transmission with meshing property. Compared with belt transmission and gear transmission, the chain transmission has the main characteristics of accurate average transmission, higher transmission efficiency, smaller shaft pressing force, large transmitted power and strong overload capacity, and the chain does not need to be as close as a belt. Chains are important components of chain drives. The chain is a mechanical product with strong universality, and has the characteristics of gears and belts, so the chain is widely applied to transmission, conveying and some special occasions. The chain is generally formed by connecting chain links in sequence, chain transmission can produce the impact at the in-process of work, and the chain is made for steel material generally, therefore the metal collision of the junction of chain link can produce certain noise, and the chain on the market does not have the function of noise reduction at present, and chain transmission's working process produces great noise, influences people's use, is unsuitable to be used widely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transmission chain aiming at the defects and shortcomings of the prior art, and 1, the arrangement of a rubber pad reduces the noise generated by the friction between an outer chain plate and an inner chain plate; 2. the silencing cotton placed inside the sleeve has the effect of reducing noise. Generally speaking, its structural design is reasonable, and noise reduction effect is good, has improved people and has felt the use of transmission chain, is fit for using widely.

In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains chain body 1, inner plate 2, first sleeve 21, second sleeve 22, the noise elimination cotton 221, first link joint 23, second link joint 24, outer link joint 3, rubber pad 31, round pin 4, chain body 1 contains inner plate 2 and outer link joint 3, outer link joint 3 sets up in the 2 outsides of inner plate, set up first sleeve 21 in the inner plate 2, second sleeve 22, first link joint 23 and second link joint 24, first sleeve 21 sets up in second sleeve 22 left side position, second link joint 24 sets up at first link joint 23 front side, first sleeve 21 and second sleeve 22 set up between first link joint 23 and second link joint 24, first sleeve 21 and the inside noise elimination cotton 221 that all sets up of second sleeve 22, outer link joint 3 inboard sets up one deck rubber pad 31, inner plate 2 and outer link joint 3 pass through round pin 4 fixed connection.

The centers of the first sleeve 21 and the second sleeve 22 are provided with a connecting hole 222.

The upper and lower edges of the second link plate 24 are provided with recesses 241, and the structure of the first link plate 23 is identical to that of the second link plate 24.

A connecting bolt 41 is arranged on one side of the pin 4.

A gap 5 is provided between the first sleeve 21 and the second sleeve 22.

the inner chain plate 2 and the outer chain plate 3 are both in 8-shaped structures.

The utility model discloses a theory of operation: the chain body is formed by connecting a plurality of inner link plates and outer link plates, an inner link plate is a chain link, through two outer link plate fixed connection between chain link and the chain link, the girth length of chain body depends on the number of inner link plate, can add the number of reducing the inner link plate as required, inner link plate and outer link plate all are "8" font structure, set up two sleeves in an inner link plate, every sleeve center is equipped with the connecting hole, the setting of connecting hole is used for passing through inner link plate and outer link plate behind the bolt by connecting bolt fixed, the inside noise elimination cotton that fills of sleeve, first sleeve is installed in the telescopic left side position of second, set up the clearance between first sleeve and the second sleeve.

After the technical scheme is adopted, the utility model discloses beneficial effect does: 1. the arrangement of the rubber pad reduces the noise generated by the friction between the outer chain plate and the inner chain plate; 2. the silencing cotton placed inside the sleeve has the effect of reducing noise. Generally speaking, its structural design is reasonable, and noise reduction effect is good, has improved people and has felt the use of transmission chain, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a side view corresponding to FIG. 1;

Fig. 3 is a sectional view of the inner link plate 2 of the present invention.

Description of reference numerals: the chain comprises a chain body 1, an inner chain plate 2, a first sleeve 21, a second sleeve 22, silencing cotton 221, a connecting hole 222, a first chain plate 23, a second chain plate 24, a concave portion 241, an outer chain plate 3, a rubber pad 31, a pin 4, a connecting bolt 41 and a gap 5.

Detailed Description

Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the chain comprises a chain body 1, inner chain plates 2, a first sleeve 21, a second sleeve 22, silencing cotton 221, a first chain plate 23, a second chain plate 24, outer chain plates 3, rubber pads 31 and pins 4, wherein the chain body 1 comprises the inner chain plates 2 and the outer chain plates 3, one inner chain plate 2 is a chain link, the chain body 1 needs a plurality of inner chain plates 2, the perimeter length of the chain body 1 is determined by the number of the inner chain plates 2, the number of the inner chain plates 2 can be increased or decreased according to actual requirements, the two inner chain plates 2 are fixed through the two outer chain plates 3, the inner chain plates 2 comprise the first sleeve 21, the second sleeve 22, the first chain plate 23 and the second chain plate 24, the first sleeve 21 is arranged at the left side position of the second sleeve 22, the inner diameters of the first sleeve 21 and the second sleeve 22 are consistent, the second chain plate 24 is arranged at the front side of the first sleeve 23, the first sleeve 21 and the second sleeve 22 are arranged between the first chain plate 23 and the second chain plate 24, one end fixed connection of first sleeve 21 and second sleeve 22 is at the inside flank surface of first link joint 23, the other end fixed connection of first sleeve 21 and second sleeve 22 is at the inside flank surface of second link joint 24, noise elimination cotton 221 has been filled to first sleeve 21 and second sleeve 22 inside, noise elimination cotton 221's setting has played the effect of noise reduction, rubber pad 31 is fixed through gluing to a side surface that outer link joint 3 is close to inner link joint 2, the setting of rubber pad 31 has reduced the noise that produces because of the friction between outer link joint 3 and the inner link joint 2, inner link joint 2 links together through round pin 4 with outer link joint 3.

The centers of the first sleeve 21 and the second sleeve 22 are provided with a connecting hole 222, and the pin 4 passes through the connecting hole 222 to fixedly connect the inner chain plate 2 and the outer chain plate 3.

The upper and lower edges of the second link plate 24 are provided with concave parts 241, the concave parts 241 and the second link plate 24 are integrally formed, and the structures of the first link plate 23 and the second link plate 24 are consistent.

And a connecting bolt 41 is arranged on one side of the pin 4, and the connecting bolt 41 ensures that the inner chain plate 2 and the outer chain plate 3 are connected more stably.

A gap 5 is provided between the first sleeve 21 and the second sleeve 22.

The inner chain plate 2 and the outer chain plate 3 are both 8-shaped chain plates.

the above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A drive chain, characterized in that: the chain comprises a chain body (1), an inner chain plate (2), a first sleeve (21), a second sleeve (22), silencing cotton (221), a first chain plate (23), a second chain plate (24), an outer chain plate (3), a rubber pad (31) and a pin (4), wherein the chain body (1) comprises the inner chain plate (2) and the outer chain plate (3), the outer chain plate (3) is arranged on the outer side of the inner chain plate (2), the inner chain plate (2) is internally provided with the first sleeve (21), the second sleeve (22), the first chain plate (23) and the second chain plate (24), the first sleeve (21) is arranged at the left side of the second sleeve (22), the second chain plate (24) is arranged at the front side of the first chain plate (23), the first sleeve (21) and the second sleeve (22) are arranged between the first chain plate (23) and the second chain plate (24), the silencing cotton (221) is arranged inside the first sleeve (21) and the second sleeve (22), a layer of rubber pad (31) is arranged on the inner side of the outer chain plate (3), and the inner chain plate (2) is fixedly connected with the outer chain plate (3) through a pin (4).

2. A drive chain according to claim 1, wherein: the centers of the first sleeve (21) and the second sleeve (22) are provided with connecting holes (222).

3. A drive chain according to claim 1, wherein: concave parts (241) are arranged on the upper edge and the lower edge of the second chain plate (24), and the structure of the first chain plate (23) is consistent with that of the second chain plate (24).

4. A drive chain according to claim 1, wherein: and one side of the pin (4) is provided with a connecting bolt (41).

5. A drive chain according to claim 1, wherein: a gap (5) is arranged between the first sleeve (21) and the second sleeve (22).

6. A drive chain according to claim 1, wherein: the inner chain plate (2) and the outer chain plate (3) are both in 8-shaped structures.