Cleaning device

Abstract

A cleaning device comprises a bearing seat used for bearing a workpiece, and the workpiece is provided with a plurality of small-aperture functional holes; the blowing mechanism comprises a mounting seat and multiple groups of blowing assemblies, the multiple groups of blowing assemblies are in one-to-one correspondence with the multiple functional holes, each group of blowing assembly comprises a limiting part, a fixing part and an air outlet part, the fixing part movably penetrates through the mounting seat and is provided with an air inlet hole and a vent groove which are communicated, and the air inlet hole is used for communicating with an air supply part to introduce air into the vent groove; one end of the air outlet part is connected with the fixing part and extends to the vent groove, the other end of the air outlet part protrudes out of the mounting seat and is used for extending into the corresponding functional hole so as to lead out air in the vent groove to the corresponding functional hole, and the limiting part is connected to the mounting seat and detachably connected with the fixing part. According to the cleaning device, gas introduced from the gas inlet hole enters the corresponding functional holes after passing through the vent groove and the gas outlet piece, the multiple functional holes in the workpiece can be synchronously cleaned, the cleaning efficiency is improved, and the cleaning device is simple in structure and low in use cost.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to a cleaning device. Background Art

[0002] A number of small-diameter functional holes are opened on the workpiece to achieve different functions such as accommodation and ventilation. The functional holes are mostly made by milling, and there will be residual shavings in the formed functional holes, which will affect the use of the functional holes. At present, the shavings in the functional holes are mostly removed by blowing air directly into the functional holes with an air gun or by using a manipulator to drive a needle to blow air into the functional holes in sequence. However, the airflow of the gas blown out by the air gun is unstable, which will cause the shavings to transfer from one functional hole to another, resulting in low cleaning efficiency. The method of using a manipulator to drive the needle to move has high requirements on the movement and precision of the manipulator, making the use cost high. Utility Model Content

[0003] In view of the above, it is necessary to provide a cleaning device to improve the cleaning efficiency at a low cost.

[0004] The present invention provides a cleaning device, comprising:

[0005] A bearing seat, used for bearing a workpiece, wherein the workpiece has a plurality of functional holes with small apertures;

[0006] The blowing mechanism comprises a mounting seat and a plurality of groups of blowing components, wherein the plurality of groups of blowing components correspond one to one with the plurality of functional holes respectively, and each group of the blowing components comprises a limiting member, a fixing member and an air outlet member, wherein the fixing member is movably inserted into the mounting seat and is provided with a connected air inlet hole and a ventilation groove, wherein the air inlet hole is used to connect with the air supply member to introduce gas into the ventilation groove, one end of the air outlet member is connected to the fixing member and extends to the ventilation groove, and the other end of the air outlet member protrudes from the mounting seat and is used to extend into the corresponding functional hole to guide the gas in the ventilation groove to the corresponding functional hole, and the limiting member is connected to the mounting seat and is detachably connected to the fixing member.

[0007] In the above cleaning device, multiple groups of air blowing components correspond to multiple functional holes on the workpiece one by one, and the gas introduced from the air inlet passes through the venting groove and the air outlet and then enters the corresponding functional hole, so that the multiple functional holes on the workpiece can be cleaned simultaneously, thereby improving the cleaning efficiency. In addition, the fixing member used to connect the air outlet is separated from the mounting seat, and the fixing member is detachably connected to the limiting member so that the position of the fixing member relative to the mounting seat is fixed, and the structure is simple, so that the use cost of the cleaning device is low.

[0008] In some embodiments, the stopper comprises:

[0009] A locking body, one end of which is connected to the mounting seat;

[0010] A stopper body, sleeved on the locking body and abutting against the mounting seat;

[0011] A limiting body, one end of which is rotatably connected to the other end of the locking body, and the other end of the limiting body is detachably connected to the fixing member.

[0012] In some embodiments, a groove is formed on the outer peripheral side of the fixing member, and the end of the limiting body away from the locking body has a clamping portion, and the clamping portion is snap-fitted with the groove.

[0013] In some embodiments, at least one of the sidewall of the groove and the holding portion is an elastic structure.

[0014] In some embodiments, one end of the limiting body is movably sleeved on the locking body, and the stopper body includes:

[0015] A sleeve, movably sleeved on the locking body and abutting against one end of the limiting body;

[0016] The elastic part is sleeved on the locking body, and two ends of the elastic part are respectively abutted against the sleeve and the mounting seat.

[0017] In some embodiments, the locking body includes a locking rod and a head, the two ends of the locking rod are respectively connected to the head and the mounting seat, and the sleeve and the elastic part are both sleeved on the locking rod. The limiting body includes a rotating part and a limiting part, the rotating part is provided with a rotating groove, the bottom wall of the rotating groove is provided with a movable hole, the locking rod passes through the movable hole, and the head is accommodated in the rotating groove.

[0018] In some embodiments, the mounting base is provided with a plurality of receiving grooves, and the plurality of receiving grooves, the plurality of elastic parts and the plurality of locking bodies correspond to each other one by one, one end of each of the locking bodies can be detachably connected to the bottom wall of the corresponding receiving groove, and each of the elastic parts is accommodated in the corresponding receiving groove.

[0019] In some embodiments, each of the air outlet members and the corresponding fixing member are coaxially arranged, and the extending direction of the locking body is parallel to the central axis of the air outlet member.

[0020] In some embodiments, the support seat comprises:

[0021] A carrier, used for carrying the workpiece;

[0022] A first positioning member, disposed on the bearing member;

[0023] a first abutting member, arranged opposite to the first positioning member, the first abutting member comprising a first abutting body and a first driving body, the first driving body being arranged on the bearing member and connected to the first abutting body, and being used to drive the first abutting body to abut the workpiece to the first positioning member;

[0024] A second positioning member, disposed on the bearing member;

[0025] a second abutting member, arranged opposite to the second positioning member, the second abutting member comprising a second abutting body and a second driving body, the second driving body being arranged on the bearing member and connected to the second abutting body, and being used to drive the second abutting body to abut the workpiece to the second positioning member,

[0026] The first positioning member, the second positioning member, the first supporting member and the second supporting member are sequentially arranged at intervals along the circumferential direction of the bearing member.

[0027] In some embodiments, the cleaning device further comprises:

[0028] A plurality of air supply parts and a plurality of air control parts, wherein the plurality of air supply parts correspond to the plurality of air inlet holes one by one, and the plurality of air control parts are respectively connected to the plurality of air supply parts for controlling the air outlet of the plurality of air supply parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of a workpiece applicable to an embodiment of the utility model.

[0030] Figure 2 It is a schematic diagram of the structure of the cleaning device according to an embodiment of the utility model.

[0031] Figure 3 for Figure 2 Schematic diagram of the exploded view of the blowing mechanism in the cleaning device shown.

[0032] Figure 4 for Figure 3 The cross-sectional schematic diagram of the fixing part in the blowing mechanism shown is along the AA direction.

[0033] Figure 5 for Figure 3 An enlarged schematic diagram of area B in the blowing mechanism is shown.

[0034] Figure 6 for Figure 2 A schematic structural diagram of the supporting base in the cleaning device shown in another angle.

[0035] Main component symbols

[0036] Cleaning device 100

[0037] Supporting seat 110

[0038] Carrier 111

[0039] The first positioning member 112

[0040] The first supporting member 113

[0041] The first supporting body 1131

[0042] First driving body 1132

[0043] The second positioning member 114

[0044] The second abutting member 115

[0045] The second supporting body 1151

[0046] Second driving body 1152

[0047] Blowing mechanism 120

[0048] Mounting Block 121

[0049] Storage slot 121a

[0050] Mounting 1211

[0051] Connecting shaft 1212

[0052] Blowing assembly 122

[0053] Limiting piece 1221

[0054] Locking body 1221a

[0055] Stopper 1221b

[0056] Limiting body 1221c

[0057] Clamping portion 1221d

[0058] Sleeve 1221e

[0059] Elastic portion 1221f

[0060] Locking lever 1221g

[0061] Head 1221h

[0062] Rotating part 1221j

[0063] Limiting part 1221k

[0064] Rotating trough 1221m

[0065] Active hole 1221n

[0066] Fixing parts 1222

[0067] Air inlet 1222a

[0068] Ventilation slot 1222b

[0069] Groove 1222c

[0070] Gas outlet 1223

[0071] Air supply parts 130

[0072] Air control parts 140

[0073] Workpiece 200

[0074] Structural groove 200a

[0075] Function hole 200b DETAILED DESCRIPTION

[0076] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0077] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0078] The following is a detailed description of various embodiments of the present invention in conjunction with the accompanying drawings.

[0079] See also Figure 1 , Figure 1 Schematic diagram of the structure of a workpiece applicable to the embodiment of the utility model. Specifically, the workpiece 200 is roughly rectangular and has a structural groove 200a, and a plurality of small functional holes 200b are arranged on the side wall of the structural groove 200a. The plurality of functional holes 200b are arranged at intervals along the periphery of the structural groove 200a, and the opening directions of the plurality of functional holes 200b are all arranged upward. Among them, the above-mentioned small aperture refers to the aperture of the functional hole 200b is not greater than a certain preset value, for example: the preset value can be 10mm, 8mm, etc.

[0080] See also Figures 2 to 4The embodiment of the utility model provides a cleaning device 100, including a bearing seat 110 and a blowing mechanism 120. The bearing seat 110 is used to bear a workpiece 200. The blowing mechanism 120 includes a mounting seat 121 and multiple groups of blowing components 122, and the multiple groups of blowing components 122 correspond to multiple functional holes 200b respectively. Each group of blowing components 122 includes a limiting member 1221, a fixing member 1222 and an air outlet member 1223. The fixing member 1222 is movably arranged on the mounting seat 121 and is provided with a connected air inlet hole 1222a and a ventilation groove 1222b. The air inlet hole 1222a is used to connect the air supply member to introduce gas into the ventilation groove 1222b. One end of the air outlet member 1223 is connected to the fixing member 1222 and extends to the ventilation groove 1222b. The other end of the air outlet member 1223 protrudes from the mounting seat 121 and is used to extend into the corresponding functional hole 200b to guide the gas in the ventilation groove 1222b to the corresponding functional hole 200b. The limiting member 1221 is connected to the mounting seat 121 and is detachably connected to the fixing member 1222.

[0081] In this embodiment, the mounting seat 121 includes a mounting member 1211 and a connecting shaft 1212 connected to the center of the mounting member 1211. Multiple groups of blowing components 122 are arranged on the mounting member 1211, and the connecting shaft 1212 is used to connect to an external transfer mechanism so that the mounting seat 121 moves under the drive of the transfer mechanism.

[0082] See also Figure 2 and Figure 3 In some embodiments, the limiting member 1221 includes a locking body 1221a, a stopper 1221b, and a limiting body 1221c. One end of the locking body 1221a is connected to the mounting seat 121, the stopper 1221b is sleeved on the locking body 1221a and abuts against the mounting seat 121, one end of the limiting body 1221c is rotatably connected to the other end of the locking body 1221a, and the other end of the limiting body 1221c is detachably connected to the fixing member 1222.

[0083] Therefore, the connection and separation of the limiting member 1221 and the fixing member 1222 can be achieved by rotating the limiting body 1221c, which reduces the difficulty of disassembling and assembling the limiting member 1221 and the fixing member 1222, and is conducive to improving the disassembly and assembly efficiency of the blowing mechanism 120.

[0084] See also Figure 4 and Figure 5 In some embodiments, a groove 1222c is provided on the outer peripheral side of the fixing member 1222, and the end of the limiting body 1221c away from the locking body 1221a has a clamping portion 1221d, and the clamping portion 1221d is snap-fitted with the groove 1222c to achieve a detachable connection between the fixing member 1222 and the limiting body 1221c.

[0085] In this embodiment, the groove 1222c is an annular structure, and the clamping portion 1221d has an arc-shaped groove. In other embodiments, the groove 1222c may also be an arc-shaped structure, and the clamping portion 1221d may also have a square-shaped groove, as long as the clamping portion 1221d and the annular groove 1222c can form a snap fit.

[0086] In some embodiments, at least one of the side wall of the groove 1222c and the clamping portion 1221d is an elastic structure, which can reduce the wear of the clamping portion 1221d and the fixing member 1222 during buckling, which is beneficial to improving the service life of the fixing member 1222 and the limiting member 1221.

[0087] In this embodiment, the side wall of the groove 1222c is an elastic structure. In other embodiments, the holding portion 1221d may also be an elastic structure, or the side wall of the groove 1222c and the holding portion 1221d may both be elastic structures.

[0088] See also Figure 5 In some embodiments, one end of the limiting body 1221c is movably mounted on the locking body 1221a, and the stopper body 1221b includes a sleeve 1221e and an elastic portion 1221f. The sleeve 1221e is movably mounted on the locking body 1221a and abuts against one end of the limiting body 1221c, and the elastic portion 1221f is mounted on the locking body 1221a, and the two ends of the elastic portion 1221f are respectively abutted against the sleeve 1221e and the mounting seat 121. Exemplarily, the elastic portion 1221f is a spring.

[0089] Therefore, the elastic portion 1221f can elastically resist the fixing member 1222 , so that the fixing member 1222 drives the gas outlet member 1223 to float relative to the mounting seat 121 , avoiding hard contact between the gas outlet member 1223 and the workpiece 200 , which is beneficial to improving the service life of the gas outlet member 1223 .

[0090] See also Figure 5 In some embodiments, the locking body 1221a includes a locking rod 1221g and a head 1221h, the two ends of the locking rod 1221g are respectively connected to the head 1221h and the mounting seat 121, and the sleeve 1221e and the elastic part 1221f are both sleeved on the locking rod 1221g. The limiting body 1221c includes a rotating part 1221j and a limiting part 1221k, the rotating part 1221j is provided with a rotating groove 1221m, the bottom wall of the rotating groove 1221m is provided with a movable hole 1221n, the locking rod 1221g passes through the movable hole 1221n, and the head 1221h is accommodated in the rotating groove 1221m.

[0091] In this embodiment, the locking rod 1221g and the head 1221h are an integral structure. Exemplarily, the locking body 1221a is a bolt.

[0092] In this embodiment, the rotating portion 1221j and the limiting portion 1221k are an integrated structure, which helps to reduce the difficulty of processing the limiting body 1221c.

[0093] In this embodiment, the diameter of the head 1221h is greater than the diameter of the movable hole 1221n, so that the head 1221h can move upward along the rotating groove 1221m, and the bottom wall of the rotating groove 1221m forms a stop for the head 1221h.

[0094] See also Figure 5 In some embodiments, the mounting seat 121 is provided with a plurality of receiving grooves 121a, and the plurality of receiving grooves 121a, the plurality of elastic parts 1221f and the plurality of locking bodies 1221a correspond to each other one by one. The end of the locking rod 1221g in each locking body 1221a away from the head 1221h can be detachably connected to the bottom wall of the corresponding receiving groove 121a, and each elastic part 1221f is accommodated in the corresponding receiving groove 121a. In this embodiment, the end of the sleeve 1221e away from the head 1221h is accommodated in the receiving groove 121a.

[0095] Therefore, the receiving groove 121a can receive the elastic portion 1221f to limit the radial direction of the elastic portion 1221f, which is beneficial to improving the stability of the elastic force generated by the elastic portion 1221f.

[0096] In some embodiments, each air outlet member 1223 and the corresponding fixing member 1222 are coaxially arranged, and the extending direction of the locking body 1221 a is parallel to the central axis of the air outlet member 1223 .

[0097] Therefore, through the above configuration, multiple groups of blowing components 122 can be arranged in an array, which is beneficial to the miniaturization of the cleaning device 100.

[0098] See also Figure 2 and Figure 6In some embodiments, the bearing seat 110 includes a bearing member 111, a first positioning member 112, a first abutting member 113, a second positioning member 114, and a second abutting member 115. The first positioning member 112, the second positioning member 114, the first abutting member 113, and the second abutting member 115 are sequentially spaced along the circumference of the bearing member 111. The bearing member 111 is used to carry the workpiece 200, the first positioning member 112 is disposed on the bearing member 111, the first abutting member 113 is disposed opposite to the first positioning member 112, and includes a first abutting body 1131 and a first driving body 1132, the first driving body 1132 is disposed on the bearing member 111 and connected to the first abutting body 1131, and is used to drive the first abutting body 1131 to abut the workpiece 200 to the first positioning member 112. The second positioning member 114 is disposed on the supporting member 111 , and the second supporting member 115 is disposed opposite to the second positioning member 114 and includes a second supporting body 1151 and a second driving body 1152 . The second driving body 1152 is disposed on the supporting member 111 and connected to the second supporting body 1151 , and is used to drive the second supporting body 1151 to resist the workpiece 200 to the second positioning member 114 .

[0099] Exemplarily, the first driving body 1132 and the second driving body 1152 are both cylinders.

[0100] Therefore, through the above arrangement, accurate positioning of the workpiece 200 can be achieved.

[0101] In some embodiments, the cleaning device 100 further includes a plurality of air supply members 130 and a plurality of air control members 140, wherein the plurality of air supply members 130 correspond to the plurality of air inlet holes 1222a one by one, and the plurality of air control members 140 are respectively connected to the plurality of air supply members 130 to control the air outlet of the plurality of air supply members 130. The air supply members 130 may be connected to the corresponding air inlet holes 1222a through air pipes (not shown).

[0102] Exemplarily, the air control component 140 may be a solenoid valve, and a plurality of air control components 140 are an integrated structure.

[0103] Therefore, through the above configuration, the individual control and synchronous control of the multiple blowing components 122 can be achieved to improve the application range of the cleaning device 100.

[0104] The working process of the cleaning device 100 is roughly as follows:

[0105] First, a workpiece 200 having a plurality of functional holes 200 b is placed on the carrier 111 ;

[0106] Secondly, the first driving body 1132 drives the first resisting body 1131 to push the workpiece 200 to the first positioning member 112, and at the same time, the second driving body 1152 drives the second resisting body 1151 to push the workpiece 200 to the second positioning member 114, so as to achieve the positioning of the workpiece 200;

[0107] Then, the external transfer mechanism drives the mounting member 1211 and the plurality of blowing components 122 on the mounting member 1211 to move through the connecting shaft 1212 until the mounting member 1211 abuts against the workpiece 200 and the plurality of gas outlet members 1223 are aligned with or extend into the plurality of functional holes 200b;

[0108] Finally, based on the need for gas outlet, the gas control components 140 control the gas supply components 130 to introduce gas through the gas inlet holes 1222a and the ventilation grooves 1222b in sequence, and then output the gas from the gas outlet component 1223 to blow away the chips in the functional hole 200b.

[0109] In the above cleaning device 100, the multiple groups of air blowing components 122 correspond to the multiple functional holes 200b on the workpiece 200 one by one, and the gas introduced from the air inlet 1222a passes through the venting groove 1222b and the air outlet 1223 and then enters the corresponding functional hole 200b, so that the multiple functional holes 200b on the workpiece 200 can be cleaned simultaneously, thereby improving the cleaning efficiency. In addition, the fixing member 1222 used to connect the air outlet 1223 is separated from the mounting seat 121, and the fixing member 1222 is detachably connected to the limiting member 1221 so that the position of the fixing member 1222 relative to the mounting seat 121 is fixed, and the structure is simple, so that the use cost of the cleaning device 100 is low.

[0110] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0111] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A cleaning device, characterized in that: include: A bearing seat, used for bearing a workpiece, wherein the workpiece has a plurality of functional holes with small apertures; The blowing mechanism comprises a mounting seat and a plurality of groups of blowing components, wherein the plurality of groups of blowing components correspond one to one with the plurality of functional holes respectively, and each group of the blowing components comprises a limiting member, a fixing member and an air outlet member, wherein the fixing member is movably inserted into the mounting seat and is provided with a connected air inlet hole and a ventilation groove, wherein the air inlet hole is used to connect with the air supply member to introduce gas into the ventilation groove, one end of the air outlet member is connected to the fixing member and extends to the ventilation groove, and the other end of the air outlet member protrudes from the mounting seat and is used to extend into the corresponding functional hole to guide the gas in the ventilation groove to the corresponding functional hole, and the limiting member is connected to the mounting seat and is detachably connected to the fixing member.

2. The cleaning device according to claim 1, characterized in that The limiting member comprises: A locking body, one end of which is connected to the mounting seat; A stopper body, sleeved on the locking body and abutting against the mounting seat; A limiting body, one end of which is rotatably connected to the other end of the locking body, and the other end of the limiting body is detachably connected to the fixing member.

3. The cleaning device according to claim 2, characterized in that A groove is formed on the outer peripheral side of the fixing member, and a clamping portion is formed at one end of the limiting body away from the locking body, and the clamping portion is snap-fitted with the groove.

4. The cleaning device according to claim 3, characterized in that At least one of the side wall of the groove and the clamping portion is an elastic structure.

5. The cleaning device according to claim 2, characterized in that: One end of the limiting body is movably sleeved on the locking body, and the stopper body comprises: A sleeve, movably sleeved on the locking body and abutting against one end of the limiting body; The elastic part is sleeved on the locking body, and two ends of the elastic part are respectively abutted against the sleeve and the mounting seat.

6. The cleaning device according to claim 5, characterized in that The locking body comprises a locking rod and a head, two ends of the locking rod are respectively connected to the head and the mounting seat, and the sleeve and the elastic part are both sleeved on the locking rod; The limiting body comprises a rotating part and a limiting part, the rotating part is provided with a rotating groove, a movable hole is provided on the bottom wall of the rotating groove, the locking rod passes through the movable hole, and the head is accommodated in the rotating groove.

7. The cleaning device according to claim 5, characterized in that The mounting seat is provided with a plurality of receiving grooves, and the plurality of receiving grooves, the plurality of elastic parts and the plurality of locking bodies correspond to each other one by one. One end of each of the locking bodies can be detachably connected to the bottom wall of the corresponding receiving groove, and each of the elastic parts is accommodated in the corresponding receiving groove.

8. The cleaning device according to claim 2, characterized in that: Each of the air outlet pieces and the corresponding fixing piece are coaxially arranged, and the extending direction of the locking body is parallel to the central axis of the air outlet piece.

9. The cleaning device according to claim 1, characterized in that: The bearing seat comprises: A carrier, used for carrying the workpiece; A first positioning member, disposed on the bearing member; a first abutting member, arranged opposite to the first positioning member, the first abutting member comprising a first abutting body and a first driving body, the first driving body being arranged on the bearing member and connected to the first abutting body, and being used to drive the first abutting body to abut the workpiece to the first positioning member; A second positioning member, disposed on the bearing member; a second abutting member, arranged opposite to the second positioning member, the second abutting member comprising a second abutting body and a second driving body, the second driving body being arranged on the bearing member and connected to the second abutting body, and being used to drive the second abutting body to abut the workpiece to the second positioning member, The first positioning member, the second positioning member, the first supporting member and the second supporting member are sequentially arranged at intervals along the circumferential direction of the bearing member.

10. The cleaning device according to claim 1, characterized in that The cleaning device also includes: A plurality of air supply parts and a plurality of air control parts, wherein the plurality of air supply parts correspond to the plurality of air inlet holes one by one, and the plurality of air control parts are respectively connected to the plurality of air supply parts for controlling the air outlet of the plurality of air supply parts.

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