CN208448169U - Feeding bottle Container and horizontal mother and baby's machine - Google Patents

Abstract

The utility model relates to household appliance technical fields, disclose a kind of feeding bottle Container and horizontal mother and baby's machine, this is in that the feeding bottle Container (8) of hollow cylinder shape includes the hollow barrel chamber (81) as feeding bottle cavity, the axial length of feeding bottle Container is not less than 160mm and no more than 200mm and its outer wall is equipped with the feeding bottle posting port for being placed in feeding bottle (4) in hollow barrel chamber, the inner wall of hollow barrel chamber is formed with multiple preload flexible rings (82) that are axially spaced apart and swelling from inner wall, the outer wall for being placed in the feeding bottle in hollow barrel chamber being capable of elasticity extruding preload flexible ring.In the feeding bottle Container of the utility model, the inner wall of hollow barrel chamber is formed with multiple preload flexible rings that are axially spaced apart and swelling from inner wall, the outer wall elasticity for the feeding bottle being placed in it can be enable to squeeze in this way and pre-tighten flexible ring, to give feeding bottle with enough radial chucking powers, and then feeding bottle is driven to rotate together with, be conducive to the abundant dissolution of milk powder in feeding bottle, improve user experience.

Description

Feeding bottle Container and horizontal mother and baby's machine

Technical field

The utility model belongs to household appliance technical field, and in particular, to a kind of feeding bottle Container and horizontal mother and baby's machine.

Background technique

With being constantly progressive for science and technology, have the alternative household electrical appliance manually worked more more and more universal, wherein female Baby's machine shakes milk due to having the function of, has taken great convenience to the life of user, has increasingly obtained the favor of consumer.

Currently, mother and baby's machine is mostly vertical, i.e., the vertical motor of setting in body, the top of motor connects vertical bottle clip Mechanism is held, is rotated by motor driven feeding bottle clamping device, to drive feeding bottle rotation fixed in feeding bottle clamping device, in turn Make the milk powder being placed in feeding bottle dissolution.In this way, machine gravity is higher, mother and baby's machine be easier to occur when carrying out rotation process due to Machine gravity is unstable and the situation of beat occurs.

To avoid complete machine from the situation of beat occur, mother and baby's machine is arranged to horizontal (i.e. feeding bottle clamping device is horizontal), and Feeding bottle is in the horizontal clamping cavity for being placed in feeding bottle clamping device, at this point, cannot to give feeding bottle enough for feeding bottle clamping device Radial chucking power causes feeding bottle to be difficult with feeding bottle clamping device and rotates together with, and therefore, it is necessary to one kind to be suitable for horizontal mother and baby's machine Feeding bottle fixing piece, the feeding bottle being placed in it and the feeding bottle fixing piece can be made to be formed and rotate integrally structure.

Utility model content

A kind of feeding bottle Container and horizontal mother and baby are provided for above-mentioned insufficient or defect, the utility model in the prior art Machine, the feeding bottle Container can drive the feeding bottle being placed in it to rotate together with, so that it is more complete to dissolve the milk powder in feeding bottle, improve The usage experience of user.

To achieve the above object, the utility model provides a kind of feeding bottle Container, should be in the milk of hollow cylinder shape Bottle Container includes hollow barrel chamber as feeding bottle cavity, and the axial length of the feeding bottle Container is not less than 160mm and less In 200mm and its outer wall is equipped with the feeding bottle posting port for being placed in feeding bottle in the hollow barrel chamber, the hollow barrel chamber it is interior Wall is formed with multiple preload flexible rings axially spaced apart and from inner wall protuberance, the institute being placed in the hollow barrel chamber The outer wall for stating feeding bottle being capable of the elasticity extruding preload flexible ring.

Preferably, the flexible piece that the feeding bottle Container is integrally formed.

Preferably, the outer wall of the feeding bottle Container is equipped with the shaping groove of annular with described in being formed and radially-inwardly swelling Pre-tighten flexible ring.

Preferably, the cross section for pre-tightening flexible ring includes around the arc section of the shaping groove and radially connected Section is connected by described radially connected section respectively between the both ends of the arc section and the inner wall of the feeding bottle Container, described The outer wall elasticity of feeding bottle squeezes the arc section.

Preferably, radially connected section of the radial width not less than 8mm and is not more than 20mm.

Preferably, the smallest radial radius pre-tightened between flexible ring and the central axis of the feeding bottle Container is not small In 15mm and it is not more than 30mm, the radial radius of the inner wall of the hollow barrel chamber is not less than 25mm and to be not more than 55mm.

Preferably, the feeding bottle Container includes axially spaced apart N number of preload flexible ring, arbitrary neighborhood Two minimum adjacent spacings pre-tightened between flexible ring are L1, and the maximum in the N-1 minimum adjacent spacing L1 is not Less than 60mm and it is not more than 130mm, wherein N is the positive integer not less than 2.

Preferably, the cross section of the feeding bottle Container equipped with the feeding bottle posting port is annular in fan, fan annular The cross section that annular opening is the feeding bottle posting port is fanned, the fan ring center angle b of the fan annular opening meets: 90 °≤b≤ 180°。

Preferably, multiple convex buckles or shrinkage pool is distributed in the outer wall of the feeding bottle Container.

The utility model also proposes a kind of horizontal mother and baby's machine, and horizontal mother and baby's machine includes body, motor, roller and milk Bottle Container, adjacent motor mounting groove and tin roller mounting groove are formed in the body, and the motor is mounted on institute in horizontal It states in motor mounting groove, the roller is mounted in the tin roller mounting groove and is rotated by the motor driven in horizontal, described Feeding bottle Container is as flexible lining part in the roller.

Through the above technical solutions, in the feeding bottle Container of the utility model, by being formed in the inner wall of hollow barrel chamber The preload flexible ring of multiple protuberances, and the axially spaced distribution of multiple preload flexible rings, in this way, can make to be placed in feeding bottle Container Feeding bottle outer wall can elasticity squeeze pre-tighten flexible ring, thus make feeding bottle Container give merging its in feeding bottle with enough Radial chucking power, and then feeding bottle is driven to rotate together with, be conducive to the abundant dissolution of milk powder in feeding bottle, avoid the waste of milk powder, mention The usage experience of high user.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the entirety sectional view of horizontal mother and baby's machine of the first preferred embodiment of the utility model；

Fig. 2 is the top view of horizontal mother and baby's machine in Fig. 1；

Fig. 3 is the Structure explosion diagram of horizontal mother and baby's machine in Fig. 1；

Fig. 4 is the structure chart of the feeding bottle Container in Fig. 1；

Fig. 5 is the axial sectional view of the feeding bottle Container in Fig. 4；

Fig. 6 is the top view of the feeding bottle Container in Fig. 4；

Fig. 7 is the cross-sectional view of the Section A-A in Fig. 4；

Fig. 8 is the structure chart of the roller in Fig. 1.

Description of symbols:

1 body, 2 motor

3 roller, 4 feeding bottle

8 feeding bottle Containers

11 motor mounting groove, 12 tin roller mounting groove

81 hollow barrel chambers 82 pre-tighten flexible ring

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment Relationship description word.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

The utility model provides a kind of feeding bottle Container, referring to figs. 1 to Fig. 4, wraps in the feeding bottle Container 8 of hollow cylinder shape Include the hollow barrel chamber 81 as feeding bottle cavity, the axial length of feeding bottle Container 8 not less than 160mm and no more than 200mm and its Outer wall is equipped with the feeding bottle posting port for being placed in feeding bottle 4 in hollow barrel chamber 81, and the inner wall of hollow barrel chamber 81 is formed with along axial direction Arranged for interval and the multiple preload flexible rings 82 swelled from inner wall, the outer wall for being placed in the feeding bottle 4 in hollow barrel chamber 81 being capable of elasticity It squeezes and pre-tightens flexible ring 82.

In the technical scheme, feeding bottle Container 8 includes the hollow barrel chamber 81 for accommodating feeding bottle 4, the hollow barrel chamber 81 inner wall forms the preload flexible ring 82 of multiple protuberances, and the axially spaced distribution of multiple preload flexible rings 82, in this way, can make 4 outer wall of feeding bottle being placed in hollow barrel chamber 81 elastic can squeeze and pre-tighten flexible ring 82, cause feeding bottle Container 8 to give and be placed in it Interior feeding bottle 4 is conducive to feeding bottle 4 to make feeding bottle 4 that can rotate together with feeding bottle Container 8 with enough radial chucking powers The abundant dissolution of interior milk powder, avoids the waste of milk powder, improves the usage experience of user.In addition, feeding bottle Container 8 passes through preload Flexible ring 82 gives feeding bottle 4 with enough radial chucking powers, also feeding bottle 4 can be made smoothly to be rotated with feeding bottle Container 8, There is the situation blistered to can effectively avoid milk, and then reduces baby and suck containing bladdery milk and occur spitting milk or abdomen Swollen probability.

Wherein, the axial length of feeding bottle Container 8 should not be too large also unsuitable too small.It is to be appreciated that feeding bottle Container 8 Axial length is bigger, then the material for producing consuming needed for the feeding bottle Container 8 is also more, is not conducive to the reduction of production costs； The axial length of certain feeding bottle Container 8 is bigger, and the volume for accommodating the body 1 of the feeding bottle Container 8 is also bigger, is also unfavorable for The compact of complete machine structure.In addition, the axial height of feeding bottle 4 is generally no more than 150mm currently on the market, in this way, for convenient for Feeding bottle 4 is placed in or is taken out from the hollow barrel chamber 81 of feeding bottle Container 8 by user, and the axial length of feeding bottle Container 8 should design For not less than 160mm.

Specifically, preload flexible ring 82 can there are many setting forms appropriate, such as pre-tightening flexible ring 82 can be company Continuous fan ring uplift, or discrete fan annular protrusion (i.e. intermediate to have interruption) etc., as long as the preload flexible ring 82 It can give the feeding bottle 4 being placed in it enough radial chucking powers.It can be by silica gel or rubber in addition, pre-tightening flexible ring 82 It is made Deng with material flexible.

In addition, pre-tightening flexible ring 82 can be an integral molding structure with 8 ontology of feeding bottle Container, or detachable knot Structure.Preferably, the flexible piece that feeding bottle Container 8 is integrally formed.It is to be appreciated that pre-tightening flexible ring 82 and feeding bottle Container 8 Ontology is an integral molding structure, and assembly crewman is just not required in production, multiple preload flexible rings 82 are installed on feeding bottle accommodating by hand In 8 ontology of device, cost of labor can be also reduced while improving production efficiency, also can effectively avoid due to assembly crewman certainly It installs not in place and influences feeding bottle Container 8 to the clamping effect of feeding bottle 4, and then influence user experience.

Specifically, feeding bottle Container 8 can there are many proper shapes, such as 8 ontology of feeding bottle Container to be cylindrical in shape, and pre-tightens The inner wall of flexible ring 82 from the cylinder is radially-inwardly raised, or pre-tightens the cavity of flexible ring 82 as hollow structure, and the hollow cavity Body is also simultaneously the annular groove on the outer wall of 8 ontology of feeding bottle Container, and this is no longer going to repeat them.

Preferably, referring to Fig. 3 and Fig. 4, the outer wall of feeding bottle Container 8 is equipped with the shaping groove of annular to be formed radially-inwardly The preload flexible ring 82 of protuberance, in this way, by the cavity design of preload flexible ring 82 at hollow structure (rather than solid construction), favorably In the elastic deformation for improving the preload flexible ring 82, the feeding bottle 4 suitable for the feeding bottle Container 8 is caused to have bigger selection of dimension Space, the feeding bottle 4 that can effectively reduce user's purchase occur not being suitable for the probability of the feeding bottle Container 8.

Wherein, pre-tightening the shape that flexible ring 82 is swelled from hollow barrel chamber 81 can be in arc-shaped or be in multilateral shape (i.e. the cross section of preload flexible ring 82 is polygon, such as triangle, quadrangle or hexagon) can also be certainly others Shape no longer illustrates herein.

Specifically, referring to Fig. 3 and Fig. 5, the cross section for pre-tightening flexible ring 82 includes the arc section and diameter for surrounding shaping groove To linkage section, it is connected respectively by radially connected section between the both ends and the inner wall of feeding bottle Container 8 of arc section, outside feeding bottle 4 Wall elasticity squeezes arc section.

Further, for feeding bottle 4 is placed in or is taken out, reference from the hollow barrel chamber 81 of feeding bottle Container 8 convenient for user Fig. 4 to fig. 6, radially connected section of radial width not less than 8mm and are not more than 20mm.It is to be appreciated that radially connected section of diameter It is too small to width, it is not easy to user and picks and places feeding bottle 4 from feeding bottle Container 8, but radially connected section of radial width also should not mistake Greatly, excessive radial width, which is easier to appearance preload flexible ring 82, cannot give the feeding bottle 4 being placed in it with enough radial supports The situation of power, to be unfavorable for feeding bottle 4 as feeding bottle Container 8 rotates together with.

In addition, feeding bottle Container 8 includes axially spaced apart N number of preload flexible ring 82 with continued reference to fig. 4 to fig. 6, It is L1 that two of arbitrary neighborhood, which pre-tighten the minimum adjacent spacing between flexible ring 82, the maximum in N-1 minimum adjacent spacing L1 Person is not less than 60mm and is not more than 130mm, and wherein N is the positive integer not less than 2.Specifically, in N-1 minimum adjacent spacing L1 The maximum it is too small, then be not easy to user and pick and place feeding bottle 4 from feeding bottle Container 8.In addition, to make to be placed in feeding bottle Container 8 Feeding bottle 4 can smoothly be rotated together with feeding bottle Container 8, in multiple preload flexible rings 82 in feeding bottle Container 8, At least feeding bottle 4 can be given with radial chucking power there are two spaced preload flexible ring 82, and feeding bottle 4 currently on the market Axial length is generally between 100mm between 150mm, and therefore, the distance between two adjacent preload flexible rings 82 should not be small In 60mm and it is not more than 140mm.Further, between two adjacent preload flexible rings 82 distance should not less than 60mm and less In 130mm.

Specifically, the feeding bottle 4 on market today is many kinds of, but its radial radius is generally all not less than 20mm and is not more than 40mm, to be fixed on the feeding bottle 4 of various radial radius sizes can by pre-tightening flexible ring 82 in feeding bottle Container 8, reference Fig. 3, Fig. 4 and Fig. 7, the smallest radial radius pre-tightened between flexible ring 82 and the central axis of feeding bottle Container 8 are not less than 15mm And it is not more than 30mm, the radial radius of the inner wall of hollow barrel chamber 81 is not less than 25mm and to be not more than 55mm.

In addition, the cross section of the feeding bottle Container 8 equipped with feeding bottle posting port is in fan annular, the fan ring referring to Fig. 4 and Fig. 7 The fan annular opening of shape is the cross section of feeding bottle posting port, and the fan ring center angle b for fanning annular opening meets: 90 °≤b≤180 °. Specifically, fan ring center angle b should not be too large or too small, excessive, be easier to make hollow barrel chamber of the feeding bottle 4 from feeding bottle Container 8 It is detached from 81, it is too small, it is not easy to user and feeding bottle 4 is taken out or be placed in from the hollow barrel chamber 81 of feeding bottle Container 8.

It can choose ground, feeding bottle Container 8 can be to be directly connected with motor 2, and then drives feeding bottle accommodating by motor 2 Device 8 rotates, naturally it is also possible to which for feeding bottle Container 8 is fixed by snap etc., forms are set in roller 3 is rotated integrally with being formed Structure then drives roller 3 to rotate by motor 2, and then feeding bottle Container 8 is driven to rotate.Specifically, reference Fig. 3 to Fig. 7, The structure that feeding bottle Container 8 is connected by a snap is fixed on the inner wall of roller 3, and the outside wall surface of feeding bottle Container 8 is distributed with multiple Convex buckle or shrinkage pool, and multiple shrinkage pools or convex buckle are accordingly disposed on the inner wall of roller 3.

Another aspect according to the present utility model provides a kind of horizontal mother and baby's machine, referring to figs. 1 to Fig. 3, horizontal mother and baby's machine packet Body 1, motor 2, roller 3 and feeding bottle Container 8 are included, adjacent motor mounting groove 11 and roller installation are formed in body 1 Slot 12, motor 2 are mounted in motor mounting groove 11 in horizontal, and roller 3 is mounted in horizontal in tin roller mounting groove 12 and by motor 2 Driving rotation, feeding bottle Container 8 is as flexible lining part in roller 3.

Specifically, the motor 2 in horizontal mother and baby's machine and the roller 3 for accommodating feeding bottle 4 are in horizontal and are installed on body 1 Interior, feeding bottle 4 is placed in roller 3 by feeding bottle Container 8, in this way, feeding bottle 4 can be made to be firmly fixed in roller 3, Jin Er As roller 3 smoothly carries out the abundant dissolution for being conducive to milk powder clockwise or counterclockwise together under the driving of motor 2, Avoid the waste of milk powder.In addition, feeding bottle 4 smoothly carries out clockwise or counterclockwise, also can effectively avoid milk and rising The situation of bubble, to can effectively reduce the probability that baby sucks foam together with milk together.It is to be appreciated that baby's sucking contains Frothy milk is easy to occur spitting the situation of milk or abdominal distension, especially for the not yet supermature nascent baby of functions of intestines and stomach Therefore feeding bottle Container 8 is conducive to improve in roller 3 user for horizontal mother and baby's machine as flexible lining part by youngster Usage experience.

In addition, being intervally distributed on the periphery wall of feeding bottle Container 8 and the internal perisporium of roller 3 more referring to Fig. 3 to Fig. 8 The shrinkage pool or convex buckle (i.e. snap catches) that group is fitted into each other, wherein, should be in feeding bottle on the periphery wall of feeding bottle Container 8 The contiguous zone of posting port is equipped with buckle connecting structure, and the spacing m1 at the edge of the buckle connecting structure and feeding bottle posting port is full Foot: 5mm≤m1≤20mm.

Specifically, when the hollow that feeding bottle 4 is placed in feeding bottle Container 8 is intracavitary, the extruding of feeding bottle 4 is disposed below pre- Tight flexible ring 82 makes its generate elastic deformation, thus give the preloads flexible ring 82 1 of 4 top of feeding bottle downwards pull power, this Sample will be easier to feeding bottle appearance occur in the contiguous zone of the feeding bottle posting port when feeding bottle Container 8 has feeding bottle posting port The situation that the periphery wall of device 8 is detached from from the internal perisporium of roller 3 is set, therefore, to avoid the occurrence of said circumstances, in feeding bottle posting port Contiguous zone be arranged buckle connecting structure.Further, the spacing m1 of buckle connecting structure and the edge of feeding bottle posting port is answered No more than 20mm.In addition, the spacing m1 of buckle connecting structure and the edge of feeding bottle posting port is also unsuitable too small, spacing m1 is too small It is easier to the situation that convex buckle is detached from from the shrinkage pool being mutually fitted into therewith occur, therefore, buckle connecting structure and feeding bottle posting port The spacing m1 at edge should also be not less than 5mm.

It further, also should be in the adjacent area of shaping groove on the periphery wall of feeding bottle Container 8 referring to Fig. 3 and Fig. 4 Buckle connecting structure is arranged in domain, and the spacing m2 at the buckle connecting structure and shaping groove edge meets: 5mm≤m2≤20mm. It is to be appreciated that feeding bottle 4, which squeezes the preload flexible ring 82 being disposed below, makes its generation when feeding bottle Container 8 is rotated Elastic deformation, thus give the top of feeding bottle 4 preloads flexible ring 82 1 it is downward pull power, in this way, when the tool of feeding bottle Container 8 When having the shaping groove of annular, will be easier to the periphery wall for feeding bottle Container 8 occur in the contiguous zone of the shaping groove from Therefore buckle connecting structure should be arranged in the contiguous zone of shaping groove in the situation to fall off on the internal perisporium of roller 3.Further The spacing m2 at ground, buckle connecting structure and shaping groove edge should be not more than 20mm.In addition, buckle connecting structure and shaping groove The spacing m2 at edge is also unsuitable too small, and spacing m2 is too small to be relatively easy to the feelings that convex buckle is detached from from the shrinkage pool being mutually fitted into therewith occur Shape, therefore, the spacing m2 at the edge of buckle connecting structure and feeding bottle posting port should also be not less than 5mm.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (10)

1. a kind of feeding bottle Container, which is characterized in that the feeding bottle Container (8) in hollow cylinder shape includes holding as feeding bottle The axial length of the hollow barrel chamber (81) of chamber, the feeding bottle Container (8) not less than 160mm and is not more than 200mm and its outer wall Equipped with the feeding bottle posting port for being placed in feeding bottle (4) in the hollow barrel chamber (81), the inner wall shape of the hollow barrel chamber (81) At there are multiple preload flexible rings (82) axially spaced apart and from inner wall protuberance, it is placed in the hollow barrel chamber (81) The feeding bottle (4) outer wall can elasticity squeeze the preload flexible ring (82).

2. feeding bottle Container according to claim 1, which is characterized in that the feeding bottle Container (8) was integrally formed Flexible piece.

3. feeding bottle Container according to claim 2, which is characterized in that the outer wall of the feeding bottle Container (8) is equipped with ring The shaping groove of shape is to form the preload flexible ring (82) radially-inwardly swelled.

4. feeding bottle Container according to claim 3, which is characterized in that the cross section for pre-tightening flexible ring (82) includes Around the arc section of the shaping groove and radially connected section, the both ends of the arc section are interior with the feeding bottle Container (8) It is connected respectively by described radially connected section between wall, the outer wall elasticity of the feeding bottle (4) squeezes the arc section.

5. feeding bottle Container according to claim 4, which is characterized in that radially connected section of the radial width is not less than 8mm and be not more than 20mm.

6. feeding bottle Container according to claim 1, which is characterized in that the preload flexible ring (82) and the feeding bottle hold The smallest radial radius between the central axis of device (8) is set not less than 15mm and is not more than 30mm, the hollow barrel chamber (81) The radial radius of inner wall is not less than 25mm and to be not more than 55mm.

7. feeding bottle Container according to claim 1, which is characterized in that the feeding bottle Container (8) includes between axial direction Every N number of preload flexible ring (82) of arrangement, the minimum pre-tightened between flexible ring (82) of two of arbitrary neighborhood is adjacent Spacing is L1, and the maximum in the N-1 minimum adjacent spacing L1 not less than 60mm and is not more than 130mm, and wherein N is not small In 2 positive integer.

8. feeding bottle Container according to claim 1, which is characterized in that the feeding bottle equipped with the feeding bottle posting port holds The cross section of device (8) is set in fan annular, the fan annular opening of fan annular is the cross section of the feeding bottle posting port, the fan ring The fan ring center angle b of shape opening meets: 90 °≤b≤180 °.

9. feeding bottle Container according to claim 1, which is characterized in that the outer wall of the feeding bottle Container (8) is distributed with Multiple convex buckles or shrinkage pool.

10. a kind of horizontal mother and baby's machine, which is characterized in that horizontal mother and baby's machine include body (1), motor (2), roller (3) with And according to claim 1~any one of 9 described in feeding bottle Container (8), is formed with adjacent motor in the body (1) Mounting groove (11) and tin roller mounting groove (12), the motor (2) are mounted in the motor mounting groove (11) in horizontal, the rolling Cylinder (3) is mounted in the tin roller mounting groove (12) and in horizontal by the motor (2) driving rotation, the feeding bottle Container (8) as flexible lining part in the roller (3).