CN207131799U - Drive chain - Google Patents

Abstract

It the utility model is related to driving-chain technical field, more particularly to a kind of drive chain.The utility model, the chain unit being sequentially connected including several by connector, the chain unit includes two inner plates and two rollers with inner plate rotation connection, the roller is sandwiched between inner plate, the connector includes two outer plates and two bearing pins being fixedly connected with outer plate on the outside of inner plate, the bearing pin runs through outer plate, inner plate and roller and it is rotatablely connected with inner plate and roller, also include the moving tooth for extending and being used for towards vertical direction and be engaged with drive sprocket, the moving tooth both ends are connected with two connectors respectively by bearing pin.Transmission process of the present utility model is more efficient, stably, and caused noise is smaller in transmission process, and small with frictional force between part, the advantages of foreign matter being prevented to be caught in driving chain.

Description

Drive chain

Technical field

It the utility model is related to driving-chain technical field, more particularly to a kind of drive chain.

Background technology

In mechanical transmission fields, chaindriven application is very extensive, and chain is that one kind forms flexible system by rigid member The multi-purpose machinery driving member of system, is characterized in no Elastic Sliding, it is possible to achieve the between centers transmission of relatively large distance, and it is driven effect Rate is higher, and overload capacity is strong.Existing drive chain is mostly used in a manner of drive sprocket directly drives chain body, but this Type of drive in transmission process not enough efficiently, stably, and exist drive sprocket infringement drive chain body the problem of.

For example, Chinese invention patent application discloses a kind of drive chain [application number for material transferring equipment： 201510485142.6], the patent application connects composition including multiple chain links, and described chain link includes two panels and pressed from both sides respectively at both ends The inner chain sheet of roller is equipped with, sleeve is coated with the central bore of roller, the both ends of the sleeve are separately fixed at the set of inner chain sheet In bore, and form a link units；The both ends outer side edges of the inner chain sheet misplace respectively is connected to outer chain sheet, and a pivot pin passes through After bushing core axis hole, its both ends passes the outer chain sheet of inner chain sheet outer side edges and fixation respectively, and a link units pass through both ends phase Even outer chain sheet connects other link units respectively, the drive chain for the composition strip that connects successively；On described drive chain, every In the adjacent link unit of one link units, two inner chain sheets have upwardly extended riser, are fixed at the upper end edge of two pieces of risers There is one piece of horizontal strip connection surface plate, and the both ends on the surface plate offer connecting hole.

The patent application is used in a manner of drive sprocket directly drives chain body, therefore is existed in transmission process not enough Efficiently, stably, the problem of and drive sprocket may damage drive chain body.

Utility model content

The purpose of this utility model is in view of the above-mentioned problems, providing a kind of drive chain.

To reach above-mentioned purpose, the utility model employs following technical proposal：

A kind of drive chain, including several chain units for being sequentially connected by connector, the chain unit include two Individual inner plate and two rollers with inner plate rotation connection, the roller are sandwiched between inner plate, and the connector includes two Individual outer plate and two bearing pins being fixedly connected with outer plate on the outside of inner plate, the bearing pin is through outer plate, interior chain Plate and roller and it is rotatablely connected with inner plate and roller, also includes and extend towards vertical direction and for being engaged with drive sprocket Moving tooth, the moving tooth both ends are connected with two connectors respectively by bearing pin.

In above-mentioned drive chain, the moving tooth includes integrally formed connecting portion and drive division, the connecting portion both ends It is rotatablely connected respectively with two connectors by bearing pin, the length of the drive division close to one end of connecting portion to remote from connecting The one end in portion tapers into and excessive by smooth camber line between both ends.

In above-mentioned drive chain, the drive division is externally provided with one layer of flexible noise reduction layer.

In above-mentioned drive chain, the noise reduction layer is provided with several anti-skid bulges for protruding from noise reduction layer surface.

In above-mentioned drive chain, also include the bearing that inner ring is fixedly connected with bearing pin, inner plate, roller and moving tooth are equal It is rotatablely connected by bearing and bearing pin.

In above-mentioned drive chain, the side of the roller is provided with several ball mounting grooves to cave inward, each rolling A ball is provided with pearl mounting groove, ball part is exposed to outside ball mounting groove and rolled with inner plate and connected.

In above-mentioned drive chain, the bearing pin both ends are additionally provided with the locating part for preventing that outer plate from deviating from, the locating part It is pressed on side of the outer plate away from inner plate.

It is solid on two sides vertical with vertical direction of the chain unit and connector in above-mentioned drive chain Surely it is connected with Air Filter.

In above-mentioned drive chain, the Air Filter is made by flexible material.

Compared with prior art, the utility model has the advantage of：

1st, the utility model is provided with the moving tooth of protrusion, and moving tooth can cooperate with drive sprocket in transmission process so that Transmission process more efficiently, stably, while can avoid drive sprocket from causing damage chain unit.

2nd, the utility model is provided with one layer of noise reduction layer on moving tooth, therefore direct between metal can be prevented in transmission process Contact, caused noise are small.

3rd, the utility model is provided with bearing, ball etc., and the force of sliding friction between part is changed into force of rolling friction, So that frictional force suffered between part is smaller, so as to effectively extend service life of the present utility model.

4th, the utility model is provided with Air Filter, and the foreign matter of larger particles can be prevented to be caught in driving-chain, so as to reduce failure The probability of generation.

Brief description of the drawings

Fig. 1 is front view of the present utility model；

Fig. 2 is top view of the present utility model；

Fig. 3 is side view of the present utility model；

Fig. 4 is the structural representation of roller；

Fig. 5 is the structural representation of chain unit；

In figure：Chain unit 1, connector 2, inner plate 3, roller 4, outer plate 5, bearing pin 6, moving tooth 7, bearing 8, ball peace Tankage 9, ball 10, locating part 11, Air Filter 12, connecting portion 71, drive division 72, noise reduction layer 73, anti-skid bulge 74.

Embodiment

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

With reference to shown in Fig. 1-2, a kind of drive chain, including several chain units 1 for being sequentially connected by connector 2, institute Stating chain unit 1 includes two inner plates 3 and two rollers 4 with inner plate rotation connection, and the roller 4 is sandwiched in inner plate 3 Between, the connector 2 includes two outer plates 5 and two bearing pins being fixedly connected with outer plate 5 positioned at the outside of inner plate 3 6, the bearing pin 6 is rotatablely connected through outer plate 5, inner plate 3 and roller 4 and with inner plate 3 and roller 4, is also included towards perpendicular To extension and the moving tooth 7 for being engaged with drive sprocket, the both ends of moving tooth 7 are connected Nogata with two respectively by bearing pin 6 Part 2 connects.

The utility model, drive chain is installed on drive sprocket during use, starts drive sprocket, now moving tooth 7 can be with Drive sprocket cooperates, i.e. drive sprocket is by driving moving tooth 7 to drive drive chain, so as to realize that transmission process is more increased Imitate, stably, while drive sprocket can be avoided to cause damage chain unit 1.

Drive chain is connected with each other by connector 2 by several chain units 1 and formed, and wherein chain unit 1 includes Two inner plates 3 and two rollers 4, two rollers 4 are sandwiched between two inner plates 3, and the outside of inner plate 3 is two outer plates 5, bearing pin 6 sequentially passes through outer plate 5, inner plate 3 and roller 4, and inner plate 3 and roller 4 can be rotated around bearing pin 6, outer plate 5 It is fixedly connected with bearing pin 6, the other end of outer plate 5 is additionally provided with a bearing pin 6, the inner plate of the bearing pin 6 and adjacent chain unit 1 3 and roller 4 be rotatablely connected, so as to realize the interconnection between chain unit 1, moving tooth 7 extends towards vertical direction, and moving tooth 7 Both ends are connected by bearing pin 6 with the outer plate 5 of two connectors 2, in transmission process, moving tooth 7 and drive sprocket cooperate with Drive chain is driven, so as to realize transmission process more efficiently, stably, while drive sprocket can be avoided to cause to damage to chain unit 1 Evil.

Specifically, the moving tooth 7 includes integrally formed connecting portion 71 and drive division 72, and the both ends of connecting portion 71 lead to Bearing pin 6 is crossed to be rotatablely connected with two connectors 2 respectively, the length of the drive division 72 from close to one end of connecting portion 71 to remote One end of connecting portion 71 tapers into and excessive by smooth camber line between both ends.

Connecting portion 71 is connected in drive chain, and drive division 72 coordinates in transmission process with drive sprocket to be driven, connection Portion 71 is integrally formed with drive division 72, can so make the connection between connecting portion 71 and drive division 72 more solid and reliable, so as to Make transmission process also relatively reliable, the length of drive division 72 from close to one end of connecting portion 71 to one end away from connecting portion 71 by Gradual change is small and both ends between it is excessive by smooth camber line, drive division 72 can make drive division 72 with driving using the design of this shape Movable sprocket has higher laminating degree when coordinating, so as to be further ensured that the efficient, stably of transmission process.

Preferably, drive division 72 is externally provided with one layer of flexible noise reduction layer 73, so in transmission process, drive sprocket It will not directly be contacted with moving tooth 7, i.e., can prevent the direct contact between metal in transmission process, caused noise is small.

The utility model is not construed as limiting to the specific species for preparing the elastomeric material of noise reduction layer 73, can is rubber, also may be used To be silica gel, as long as can play a part of reducing noise.

Preferably, the noise reduction layer 73 is provided with the anti-skid bulge 74 that several protrude from the surface of noise reduction layer 73, so may be used Increase the frictional force between moving tooth 7 and drive sprocket in transmission process, the problem of preventing to skid.

With reference to shown in Fig. 2-3, also include the bearing 8 that inner ring is fixedly connected with bearing pin 6, inner plate 3, roller 4 and moving tooth 7 It is rotatablely connected by bearing 8 and bearing pin 6.

The inner ring of bearing 8 is fixedly connected with the side of bearing pin 6, outer ring and inner plate 3, roller 4 or the moving tooth 7 of bearing 8 Connecting portion 71 is fixedly connected, therefore in transmission process, the rolling that can be converted into the force of sliding friction between part inside bearing 8 Frictional force so that suffered frictional force is smaller between part, so as to effectively extend service life of the present utility model.

With reference to shown in Fig. 4-5, the side of the roller 4 is provided with several ball mounting grooves 9 to cave inward, each ball A ball 10 is provided with mounting groove 9, the part of ball 10 is exposed to outside ball mounting groove 9 and rolled with inner plate 3 and connected.

Some ball mounting grooves 9 each and every one to cave inward, each ball mounting groove are equipped with two sides of roller 4 A ball 10 is provided with 9, the part of ball 10 is exposed to outside ball mounting groove 9 and rolled with inner plate 3 and connected, so that In transmission process, the force of sliding friction between the side of roller 4 and inner plate 3 is converted into the rolling between inner plate 3 and ball 10 Frictional force, so as to substantially reduce suffered frictional force between part, effectively extend service life of the present utility model.

As shown in Fig. 2 the both ends of bearing pin 6 are additionally provided with the locating part 11 for preventing that outer plate 5 from deviating from, the locating part 11 is pressed It is located on side of the outer plate 5 away from inner plate 3, locating part 11 can prevent that outer plate 5 deviates from bearing pin 6 in transmission process, from And reduce the possibility of failure generation.

As shown in Fig. 2 fixed on two sides vertical with vertical direction of the chain unit 1 and connector 2 connect Air Filter 12 is connected to, the setting of Air Filter 12 can prevent the foreign matter of larger particles to be caught in driving-chain, so as to reduce failure Probability.

The utility model is not construed as limiting to the specific species that the material of Air Filter 12 is made, as long as can play prevents larger The foreign matter of grain is caught in the effect in driving-chain, but preferably, the Air Filter 12 is made by flexible material, such as cotton thread, Yarn etc., so in transmission process, Air Filter 12 can bend deformation as needed, be advantageous to the progress of transmission process.

Operation principle of the present utility model is：Drive chain is installed on drive sprocket during use, starts drive sprocket, is driven Movable sprocket is by driving drive division 72 to drive drive chain, and so as to realize transmission, drive sprocket passes through when driving drive division 72 Noise reduction layer 73 realizes mediate contact with drive division 72, so as to avoid the direct contact between metal, reduces noise, in transmission process In, by bearing, ball etc., the force of sliding friction between part is changed into force of rolling friction so that suffered by between part Frictional force is smaller, so as to effectively extend service life of the present utility model.

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Although more used herein chain unit 1, connector 2, inner plate 3, roller 4, outer plate 5, bearing pin 6, dial It is tooth 7, bearing 8, ball mounting groove 9, ball 10, locating part 11, Air Filter 12, connecting portion 71, drive division 72, noise reduction layer 73, anti- 74 grade terms of sliding projection, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more easily Describe and explain essence of the present utility model；Being construed as any additional limitation is all and the utility model spirit Disagree.

Claims (9)

1. a kind of drive chain, including several chain units (1) for being sequentially connected by connector (2), it is characterised in that：It is described Chain unit (1) includes two inner plates (3) and two rollers (4) with inner plate rotation connection, and the roller (4) is sandwiched in interior Between carrier bar (3), the connector (2) includes two outer plates (5) and two and outer plate on the outside of inner plate (3) (5) bearing pin (6) being fixedly connected, the bearing pin (6) through outer plate (5), inner plate (3) and roller (4) and with inner plate (3) It is rotatablely connected with roller (4), also includes the moving tooth (7) for extending and being used for towards vertical direction and be engaged with drive sprocket, it is described Moving tooth (7) both ends are connected with two connectors (2) respectively by bearing pin (6).

2. drive chain as claimed in claim 1, it is characterised in that：The moving tooth (7) includes integrally formed connecting portion (71) With drive division (72), connecting portion (71) both ends are rotatablely connected with two connectors (2) respectively by bearing pin (6), the drive The length of dynamic portion (72) close to one end of connecting portion (71) to one end away from connecting portion (71) from tapering into and between both ends It is excessive by smooth camber line.

3. drive chain as claimed in claim 2, it is characterised in that：The drive division (72) is externally provided with one layer and flexible disappeared Sound-absorbing layer (73).

4. drive chain as claimed in claim 3, it is characterised in that：The noise reduction layer (73) protrudes from noise reduction provided with several The anti-skid bulge (74) on layer (73) surface.

5. drive chain as claimed in claim 1, it is characterised in that：Also include the bearing that inner ring is fixedly connected with bearing pin (6) (8), inner plate (3), roller (4) and moving tooth (7) are rotatablely connected by bearing (8) and bearing pin (6).

6. drive chain as claimed in claim 1, it is characterised in that：The side of the roller (4) caves inward provided with several Ball mounting groove (9), a ball (10) is provided with each ball mounting groove (9), ball (10) is partly exposed to ball peace Tankage (9) outside and with inner plate (3) roll connect.

7. drive chain as claimed in claim 1, it is characterised in that：Bearing pin (6) both ends, which are additionally provided with, prevents that outer plate (5) is de- The locating part (11) gone out, the locating part (11) are pressed on side of the outer plate (5) away from inner plate (3).

8. drive chain as claimed in claim 1, it is characterised in that：Two of the chain unit (1) and connector (2) with it is perpendicular Nogata is to being fixedly connected with Air Filter (12) on vertical side.

9. drive chain as claimed in claim 8, it is characterised in that：The Air Filter (12) is made by flexible material.