JP5021276B2 - Rubber bracket and fluid pump device - Google Patents

Description

  The present invention relates to a rubber bracket and a fluid pump device, and more particularly, to a rubber bracket for fixing a fluid pump to a fixed portion, and a fluid pump device including the rubber bracket and the fluid pump.

Conventionally, the following is known as this kind of rubber bracket and fluid pump device (for example, refer to patent documents 1). For example, Patent Document 1 discloses an example including a bracket (referred to as a fixing member in Patent Document 1) for fixing a fluid pump (referred to as a fluid pump device in Patent Document 1) to a vehicle body. In the bracket described in this example, since the holding portion, the bottom portion, and the fixing portion are integrally formed of rubber, the fixed portion is compared with a configuration in which a vibration isolating member such as rubber is attached to a metal bracket. It is said that the ease of assembly can be improved.
JP 2006-20458 A JP 2001-304200 A JP 2001-90696 A JP 2005-80421 A JP 2002-95206 A

  However, the vibration of the fluid pump is further suppressed from being transmitted to the fixed part, the assembly property of the fluid pump to the fixed part is further improved, and the fixed state of the fluid pump to the fixed part is improved. There is room for improvement to make it more reliable.

  The present invention has been made in view of the above problems, and the object thereof is to further suppress the vibration of the fluid pump being transmitted to the fixed portion, and to assemble the fluid pump to the fixed portion. It is another object of the present invention to provide a rubber bracket and a fluid pump device that can further improve the above-described characteristics and can secure the fluid pump to the fixed portion.

In order to solve the problem, the rubber bracket according to claim 1 is formed in a tapered hole shape having an opening on one end side in the axial direction and having a diameter reduced from the opening toward the other end side in the axial direction. A holding part configured to have a holding hole for inserting and holding a motor part provided in the fluid pump to surround and hold an outer peripheral surface of the motor part; and formed integrally with the holding part, A fixing part for fixing the holding part to the fixed part; and a locking part provided in the holding part and formed in the fluid pump when the motor part is inserted and held in the holding hole part; A locked portion that is locked in a direction around the axis of the holding hole, and is formed on the other end side in the axial direction of the holding hole with a hole size that allows the motor portion to be press-fitted. A press-fit portion is provided, and the press-fit portion in the holding hole portion is more than the press-fit portion. The one end side in the linear direction has a gap with the outer peripheral surface of the motor part in a state where the motor part is inserted into the holding hole part, and the locked part is in the axial direction of the holding hole part It is formed on the inner peripheral surface of a portion having a gap between the one end side and the outer peripheral surface of the motor unit in a state where the motor unit is inserted into the holding hole .

  According to the rubber bracket of the first aspect, the holding portion for holding the motor portion provided in the fluid pump is provided, and the holding portion is provided with a holding hole portion for inserting the motor portion. ing. The holding hole portion is configured in a tapered hole shape whose diameter is reduced from the opening portion on one end side in the axial direction toward the other end side in the axial direction. Accordingly, when the motor portion is inserted into the holding hole portion, the outer peripheral surface of the motor portion is surrounded and held mainly on the other axial end side rather than the axial one end side of the holding hole portion. As a result, the outer peripheral surface of the motor part and the holding hole part of the motor part can be compared with a configuration including a holding hole part that uniformly holds the outer peripheral surface of the motor part from one axial end side to the other axial end side. Since the contact area with the inner peripheral surface can be reduced, the vibration of the fluid pump can be further suppressed from being transmitted to the fixed portion.

  Further, according to the rubber bracket of the first aspect, when the fluid pump is assembled to the rubber bracket, the motor portion is inserted into the holding hole portion from the opening portion on the one axial end side having a larger diameter than the other axial end portion. In this case, the initial insertion resistance when the motor part is inserted into the holding hole can be reduced. Thereby, the assembly of the fluid pump to the rubber bracket is facilitated, and as a result, the assembly property of the fluid pump to the fixed portion can be further improved.

  Moreover, according to the rubber bracket of the first aspect, the holding portion is provided with the locked portion, and when the motor portion is inserted and held in the holding hole portion, the engagement formed on the fluid pump. The stop portion and the locked portion are locked in the direction around the axis of the holding hole. As a result, for example, the fluid pump can be prevented from rotating in the direction around the axis with respect to the rubber bracket due to vibration during operation of the fluid pump, and the fluid pump can be fixed to the fixed portion more reliably. can do.

According to the rubber bracket of the first aspect , when the motor portion is inserted into the holding hole portion, the motor portion is press-fitted into the press-fit portion provided on the other end side in the axial direction of the holding hole portion. Thereby, for example, rattling or the like with respect to the rubber bracket of the fluid pump can be suppressed, and the fixed state of the fluid pump to the fixed portion can be made more reliable.
Furthermore, according to the rubber bracket of the first aspect, by the simple configuration of providing the locked portion on the inner peripheral surface on one end side in the axial direction of the holding hole portion, the direction around the axis with respect to the rubber bracket of the fluid pump is improved. The rotation can be prevented, and the fixed state of the fluid pump to the fixed portion can be made more reliable.

The rubber bracket according to claim 2 is the rubber bracket according to claim 1 , wherein the fixing portion is at least at two positions spaced apart in the direction around the axis of the holding hole portion on the outer peripheral surface of the holding portion. It is provided.

According to the rubber bracket of the second aspect, the rubber bracket is fixed to the fixed portion by the fixing portions provided at at least two positions spaced apart in the direction around the axis of the holding hole portion on the outer peripheral surface of the holding portion. can do. As a result, the mounting state of the rubber bracket to the fixed portion can be stabilized, the fixing state of the fluid pump to the fixed portion can be made more secure, and the rubber bracket can be fixed to the fixed portion. It is easy and the assembly property to the fixed part of the fluid pump can be further improved.

Moreover, in order to solve the said subject, the fluid pump apparatus of Claim 3 is provided with the fluid pump and the rubber bracket of Claim 1 or Claim 2.

According to the fluid pump device of the third aspect , the rubber bracket is provided with the holding portion for holding the motor portion provided in the fluid pump, and the holding portion includes the motor portion of the fluid pump. Is provided with a holding hole. The holding hole portion is configured in a tapered hole shape whose diameter is reduced from the opening portion on one end side in the axial direction toward the other end side in the axial direction. Accordingly, when the motor portion is inserted into the holding hole portion, the outer peripheral surface of the motor portion is surrounded and held mainly on the other axial end side rather than the axial one end side of the holding hole portion. As a result, the outer peripheral surface of the motor part and the holding hole part of the motor part can be compared with a configuration including a holding hole part that uniformly holds the outer peripheral surface of the motor part from one axial end side to the other axial end side. Since the contact area with the inner peripheral surface can be reduced, the vibration of the fluid pump can be further suppressed from being transmitted to the fixed portion.

According to the fluid pump device of the third aspect, when the fluid pump is assembled to the rubber bracket, the motor portion is held from the opening at one axial end larger in diameter than the other axial end. In this case, the initial insertion resistance when the motor portion is inserted into the holding hole portion can be reduced. Thereby, the assembly of the fluid pump to the rubber bracket is facilitated, and as a result, the assembly property of the fluid pump to the fixed portion can be further improved.

In addition, according to the fluid pump device of the third aspect , the holding portion provided in the rubber bracket is provided with the locked portion, and is formed in the fluid pump when the fluid pump is assembled to the rubber bracket. The locked portion and the locked portion are locked in the direction around the axis of the holding hole. As a result, for example, the fluid pump can be prevented from rotating in the direction around the axis with respect to the rubber bracket due to vibration during operation of the fluid pump, and the fluid pump can be fixed to the fixed portion more reliably. can do.

The fluid pump device according to claim 4 is the fluid pump device according to claim 3 , wherein the locking portion is a rib provided on at least one outer peripheral surface of the pump portion and the motor portion, The to-be-latched portion is formed on an inner peripheral surface of the holding hole portion on one end side in the axial direction, and is a locking recess that is locked to the rib.

According to the fluid pump device of the fourth aspect, the rib which is an existing configuration provided on the outer peripheral surface of at least one of the pump portion and the motor portion of the fluid pump is used, and this rib is connected to one end in the axial direction of the holding hole portion. With the simple structure of engaging with the engaging recess formed on the inner peripheral surface of the side, rotation of the fluid pump in the direction around the axis with respect to the rubber bracket can be prevented, and the fixed state of the fluid pump to the fixed part can be further improved. It can be certain.

The fluid pump device according to claim 5 is the fluid pump device according to claim 3 or 4 , wherein the fluid pump is configured such that the pump portion is positioned on one end side in the axial direction of the holding hole portion. It is characterized by being assembled to the rubber bracket.

According to the fluid pump device of the fifth aspect , the fluid pump is assembled to the rubber bracket so that the pump portion is positioned on one end side in the axial direction of the holding hole portion. Therefore, when the fluid pump is assembled to the rubber bracket, the motor portion may be inserted from the opening on one end side in the axial direction of the holding hole portion toward the other end side in the axial direction. Is on the rear end side in the insertion direction with respect to the motor portion. As a result, it is not necessary to pass the pump part in which the suction port and the discharge port protrude from the inside of the holding hole part, so that it is easy to assemble the fluid pump to the rubber bracket. Assembling property can be further improved.

The fluid pump device according to claim 6 is the fluid pump device according to claim 5 , wherein the holding hole portion has an opening at the other end in the axial direction, and the motor portion is the holding hole portion. A projecting portion projecting outward from the opening on the other end side in the axial direction, and an expansion formed on the projecting portion with a larger diameter than the opening on the other end side in the axial direction of the holding hole. It is characterized by comprising a diameter portion.

According to the fluid pump device of the sixth aspect , for example, even when a load is applied to the motor portion in the direction of one end side in the axial direction of the holding hole portion, the enlarged diameter portion provided in the protruding portion of the motor portion is provided. It catches on the peripheral edge of the opening located on the other axial end of the holding hole. Thereby, since the motor part of the fluid pump can be prevented from coming off from the holding hole part of the rubber bracket, the state of fixing the fluid pump to the fixed part can be made more reliable.

  First, the configuration of the fluid pump device 10 according to an embodiment of the present invention will be described.

  FIGS. 1 to 3 show the configuration of a fluid pump device 10 according to an embodiment of the present invention. FIGS. 4 to 6 show the configuration of a rubber bracket 14 provided in the fluid pump device 10. It is shown.

  The fluid pump device 10 according to an embodiment of the present invention is used, for example, to circulate cooling water of a radiator mounted on an automobile, and is installed in an engine room of the automobile. 1 and 2, the fluid pump device 10 includes a fluid pump 12 for conveying a fluid, a rubber bracket 14 for fixing the fluid pump 12 to a fixed part such as a vehicle body, It is configured with.

  As shown in FIGS. 2 and 3, the fluid pump 12 includes a motor unit 16 and a pump unit 18. The motor unit 16 has a motor case 20 made of synthetic resin. As shown in FIG. 2, the motor case 20 is provided with a cylindrical outer tube portion 22. An annular flange 24 is provided along the circumferential direction on the pump portion 18 side of the outer cylindrical portion 22, and the outer peripheral surface of the outer cylindrical portion 22 is connected to the flange 24 to reinforce the flange 24. A plurality of ribs 26 (locking portions) are provided so as to project outward in the radial direction.

  A cylindrical inner cylinder 28 (can) is also provided on the radially inner side of the outer cylinder 22. The ends of the outer cylinder portion 22 and the inner cylinder portion 28 on the pump portion 18 side are connected by an annular connecting wall portion 30. An annular stator housing chamber 32 formed along the circumferential direction is formed between the outer tube portion 22 and the inner tube portion 28, and an annular stator 34 is also housed in the stator housing chamber 32. Yes. The stator 34 has a configuration in which a coil 38 is wound around a core 36. A disk-shaped circuit board 40 is arranged on the inner side in the radial direction of the outer cylinder part 22 on the opposite side of the pump part 18 from the stator 34. The circuit board 40 and the coil 38 of the stator 34 are electrically connected. Has been.

  The opposite side of the outer cylindrical portion 22 to the pump portion 18 is opened as an opening 42, and the opening 42 is closed by a disk-shaped end plate 44 (diameter enlarged portion). As shown in FIG. 3, the end plate 44 is configured to include a locking and fixing portion 46, and this locking and fixing portion 46 is formed on a locked fixing portion (not shown) formed on the outer peripheral surface of the outer cylinder portion 22. By being locked, it is fixed integrally with the outer cylinder portion 22. Further, the end plate 44 is configured to have a larger diameter than the outer diameter of the outer cylindrical portion 22.

  A disc-shaped bottom wall portion 48 is formed on the inner cylinder portion 28 shown in FIG. 2 on the side opposite to the pump portion 18. A shaft along the rotation axis direction is formed at the center of the bottom wall portion 48. A support portion 50 is erected. One end side of a shaft 52 disposed along the rotation axis direction is inserted and fixed to the shaft support portion 50.

  The inner side in the radial direction of the inner cylinder portion 28 is a rotor accommodating chamber 54, and a rotor 56 is rotatably accommodated in the rotor accommodating chamber 54. The rotor 56 is rotatably fixed to the shaft 52 via a bearing member 58. Further, the rotor 56 is provided with a cylindrical main body portion 60, and a rotor magnet portion (not shown) is formed in the main body portion 60 along the circumferential direction so as to face the stator 34 in the radial direction. Yes.

  The pump unit 18 includes a pump case 62. A flange 64 is provided on the motor case 20 side of the pump case 62 so as to face the flange 24 formed on the motor case 20 described above. The pump case 62 is integrally fixed by joining the motor case 20 and the flanges 24 and 64 to each other.

  As shown in FIGS. 1 and 3, the pump case 62 is provided with a suction port 66 and a discharge port 68 extending along the radial direction. The inside of the pump case 62 is formed as a pump chamber 70, and the pump chamber 70 communicates with the suction port 66 and the discharge port 68 described above. In addition, an impeller 72 is accommodated in the pump chamber 70. The impeller 72 includes a plurality of blades 74 and is provided integrally with the rotor 56 described above. Further, the pump case 62 is provided with a shaft support portion 76 along the rotation axis direction, and the other end side of the shaft 52 is inserted and fixed to the shaft support portion 76.

  In the fluid pump 12, the rotor 56 rotates with respect to the shaft 52 by the suction and repulsive force generated between the stator 34 and the impeller 72 together with the rotor 56. Further, when the impeller 72 rotates, fluid is sucked into the pump chamber 70 from the outside through the suction port 66, and the fluid sucked into the pump chamber 70 is discharged to the outside through the discharge port 68. Has been.

  The rubber bracket 14 is entirely made of a rubber material that can be elastically deformed. As shown in FIGS. 4 to 6, the rubber bracket 14 is configured to have a holding portion 78 configured in a substantially cylindrical shape. The holding portion 78 is provided with a holding hole portion 80 linearly along the rotation axis direction of the fluid pump 12. The holding hole 80 is a through hole having openings 82 and 84 on both end surfaces of the holding part 78. In addition, the holding hole 80 is formed in a tapered hole shape whose diameter decreases from the opening 82 on one end side in the axial direction toward the opening 82 on the other end side in the axial direction.

  A plurality of concave locking recesses 86 (locked portions) are provided on the inner peripheral surface on one end side in the axial direction of the holding hole 80. As will be described later, the locking recess 86 is formed at a position where it is locked with the rib 26 of the motor case 20 when the motor unit 16 is inserted into the holding hole 80. Further, the other axial end side of the holding hole 80 is configured as a press-fitting part 88 formed with a hole size into which the motor part 16 can be press-fitted.

  Fixing portions 90 are integrally provided at two positions separated in the circumferential direction of the outer peripheral surface of the holding portion 78 (that is, the direction around the axis of the holding hole portion 80). The fixing portion 90 is formed so as to protrude radially outward from the outer peripheral surface of the holding portion 78. A hole 92 for attaching a collar 94 (see FIG. 2) to be described later is provided on the protruding end side of each fixing portion 90.

  Next, the operation of the fluid pump device 10 according to one embodiment of the present invention will be described.

  In the fluid pump device 10 configured as described above, for example, the fluid pump 12 is assembled to the rubber bracket 14 as follows. That is, the motor part 16 of the fluid pump 12 is set to the distal end side in the insertion direction, and the motor part 16 is moved from the opening 82 on one end side in the axial direction of the holding hole 80 as shown by the arrow A in FIG. It is inserted toward the opening 84 on the other end side in the axial direction.

  That is, when the fluid pump 12 is assembled to the rubber bracket 14, the motor unit 16 is inserted into the holding hole 80 from the opening 82 on one axial end side having a larger diameter than the opening 84 on the other axial end side. At this time, the position of the fluid pump 12 is adjusted relative to the rubber bracket 14 so that the rib 26 of the motor case 20 enters the engaging recess 86 on the inner peripheral surface of the holding hole 80.

  2, when the end surface of the flange 24 of the motor case 20 comes into contact with the end surface of the holding portion 78, the insertion of the motor portion 16 into the holding hole 80 is completed. At this time, the distal end side in the insertion direction of the outer cylindrical portion 22 of the motor case 20 is pressed into the press-fit portion 88 on the other axial end side of the holding hole 80, and the outer periphery of the distal end side in the insertion direction of the outer cylindrical portion 22. The surface is surrounded and held in the holding hole 80 in the circumferential direction. That is, in this way, when the motor unit 16 is inserted into the holding hole 80, the motor unit 16 is mainly positioned on the other axial end side (X2 side) of the holding hole unit 80 on the other axial end side (X1 side). The outer peripheral surface is surrounded and held.

  Further, at this time, the rib 26 of the motor case 20 is locked in the locking recess 86 on the inner peripheral surface of the holding hole 80 and the direction around the axis of the holding hole 80 (R direction). Subsequently, the end plate 44 is attached to the protruding portion 23 that protrudes outward from the opening portion 84 of the holding hole 80 of the outer cylindrical portion 22 of the motor case 20.

  Thus, the assembly of the fluid pump 12 to the rubber bracket 14 is completed. In the fluid pump device 10 in which the fluid pump 12 is assembled to the rubber bracket 14, the collars 94 are respectively attached to the hole portions 92 provided in the fixing portion 90 of the rubber bracket 14, and the fixing portion is interposed via the collar 94. 90 is fixed to a fixed part such as a vehicle body.

  As described above, according to the fluid pump device 10 according to the embodiment of the present invention, when the motor unit 16 is inserted into the holding hole 80, the axial direction end side (X1 side) of the holding hole 80 is mainly used. The outer peripheral surface of the motor unit 16 is surrounded and held on the other axial end side (X2 side). As a result, the outer peripheral surface of the motor unit 16 and the holding hole are compared with the configuration including the holding hole unit that uniformly holds the outer peripheral surface of the motor unit 16 from one end in the axial direction to the other end in the axial direction. Since the contact area with the inner peripheral surface of the portion 80 can be reduced, it is possible to further suppress the vibration of the fluid pump 12 from being transmitted to the fixed portion such as the vehicle body.

  Further, according to the fluid pump device 10 according to the embodiment of the present invention, when the fluid pump 12 is assembled to the rubber bracket 14, the axial end on the one end side having a larger diameter than the opening 84 on the other end side in the axial direction. The motor unit 16 can be inserted into the holding hole 80 from the opening 82, and in this case, the initial insertion resistance when the motor unit 16 is inserted into the holding hole 80 can be reduced. Thereby, the assembly | attachment to the rubber bracket 14 of the fluid pump 12 becomes easy, and the assembly | attachment property to the to-be-fixed part of the fluid pump 12 can be further improved by extension.

  Moreover, according to the fluid pump device 10 according to the embodiment of the present invention, when the fluid pump 12 is assembled to the rubber bracket 14, the rib 26 of the motor case 20 is engaged with the engaging recess 86 on the inner peripheral surface of the holding hole 80. And is held in the direction around the axis of the holding hole 80 (R direction). Thereby, for example, the fluid pump 12 can be prevented from rotating in the direction around the axis with respect to the rubber bracket 14 due to vibration during operation of the fluid pump 12, and the fixed state of the fluid pump 12 to the fixed portion can be further improved. It can be certain.

  Further, according to the fluid pump device 10 according to the embodiment of the present invention, the motor unit 16 is press-fitted into the press-fitting portion 88 provided on the other end side in the axial direction of the holding hole 80. Thereby, for example, rattling or the like with respect to the rubber bracket 14 of the fluid pump 12 can be suppressed, and the fixed state of the fluid pump 12 to the fixed portion can be made more reliable.

  Further, according to the fluid pump device 10 according to the embodiment of the present invention, the fluid pump device 10 is provided at two positions separated in the circumferential direction of the outer peripheral surface of the holding portion 78 (that is, the direction around the axis of the holding hole portion 80). The rubber bracket 14 can be fixed to the fixed portion by the fixed portion 90. As a result, the mounting state of the rubber bracket 14 to the fixed portion is stabilized, the fixing state of the fluid pump 12 to the fixed portion can be made more reliable, and the rubber bracket 14 can be fixed to the fixed portion. Can be easily fixed, and the assembly of the fluid pump 12 to the fixed portion can be further improved.

  Further, according to the fluid pump device 10 according to the embodiment of the present invention, the rib 26 which is an existing configuration provided in the fluid pump 12 is used, and the rib 26 is disposed on the inner end of the holding hole 80 on the one end side in the axial direction. The simple configuration of engaging with the engaging recess 86 formed on the peripheral surface can prevent the fluid pump 12 from rotating in the direction around the axis (R direction) relative to the rubber bracket 14, and to the fixed portion of the fluid pump 12. The fixed state can be made more reliable.

  Further, according to the fluid pump device 10 according to the embodiment of the present invention, the fluid pump 12 is attached to the rubber bracket 14 so that the pump portion 18 is positioned on one end side (X1 side) in the axial direction of the holding hole portion 80. It is assembled. Therefore, when the fluid pump 12 is assembled to the rubber bracket 14, as described above, the motor portion 16 is moved from the opening 82 on one end in the axial direction of the holding hole 80 toward the opening 84 on the other end in the axial direction. In this case, the pump portion 18 of the fluid pump 12 is set to the rear end side in the insertion direction with respect to the motor portion 16. This eliminates the need to pass the pump portion 18 with the suction port 66 and the discharge port 68 protruding from the inside of the holding hole portion 80, so that assembly of the fluid pump 12 to the rubber bracket 14 is easy. The assembling property of the pump 12 to the fixed portion can be further improved.

  Further, according to the fluid pump device 10 according to the embodiment of the present invention, for example, even when a load is applied to the motor unit 16 in the direction of one end side (X1 side) of the holding hole 80 in the axial direction, The end plate 44 as an enlarged diameter portion provided in the 16 projecting portions 23 is caught by the peripheral edge portion of the opening 84 located on the other end side in the axial direction of the holding hole 80. Thereby, since it can prevent that the motor part 16 of the fluid pump 12 slips out from the holding hole part 80 of the rubber bracket 14, it is possible to make the state of fixing the fluid pump 12 to the fixed part more reliable. it can.

  Further, according to the fluid pump device 10 according to an embodiment of the present invention, the rubber bracket 14 for fixing the fluid pump 12 to the fixed portion is made of rubber, so that the metal bracket is made of rubber. Compared to a configuration in which a vibration member is combined, the cost can be reduced and the weight can be reduced.

  Next, the modification of the fluid pump apparatus 10 which concerns on one Embodiment of this invention is demonstrated.

  In the above embodiment, the holding hole 80 is configured to be linearly reduced in diameter from the opening 82 on one end side in the axial direction toward the opening 84 on the other end side in the axial direction. As shown in FIG. 7, the holding hole 80 may be formed in a stepped shape. And the press-fit part 88 of the axial direction other end side of the holding hole part 80 may be set as the structure long in an axial direction compared with the structure shown by FIG.

  In the above embodiment, the rib 26 is provided on the motor case 20. However, the rib 26 may be provided on the pump case 62 or on both the motor case 20 and the pump case 62. good.

  Further, in the above embodiment, the holding hole 80 is a through-hole penetrating from one axial end to the other axial end. However, the holding hole 80 is open at one axial end and the other axial end. You may be comprised in the bag shape which the side obstruct | occludes.

It is a perspective view showing the whole fluid pump device composition concerning one embodiment of the present invention. It is side surface sectional drawing which shows the whole structure of the fluid pump apparatus which concerns on one Embodiment of this invention. It is a perspective view showing the whole fluid pump composition concerning one embodiment of the present invention. It is a perspective view showing the whole rubber bracket composition concerning one embodiment of the present invention. It is a front view showing the whole rubber bracket composition concerning one embodiment of the present invention. It is side surface sectional drawing which shows the whole structure of the rubber bracket which concerns on one Embodiment of this invention. It is a figure which shows the modification of the rubber bracket which concerns on one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Fluid pump apparatus, 12 ... Fluid pump, 14 ... Rubber bracket, 16 ... Motor part, 18 ... Pump part, 20 ... Motor case, 22 ... Outer cylinder part, 23 ... Projection part, 24, 64 ... Flange, 26 ... Rib, 28 ... inner cylinder part, 30 ... connecting wall part, 32 ... stator accommodating chamber, 34 ... stator, 36 ... core, 38 ... coil, 40 ... circuit board, 42 ... opening, 44 ... end plate, 46 ... engagement Stop fixing part, 48 ... bottom wall part, 50, 76 ... shaft support part, 52 ... shaft, 54 ... rotor housing chamber, 56 ... rotor, 58 ... bearing member, 60 ... main body part, 62 ... pump case, 66 ... suction , 68 ... discharge port, 70 ... pump chamber, 72 ... impeller, 74 ... blade, 78 ... holding portion, 80 ... holding hole, 82 ... opening on one axial side, 84 ... opening on the other axial side Part, 86 ... locking recess, 88 ... Join the club, 90 ... fixed portion, 92 ... hole, 94 ... color

Claims (6)

It has an opening on one end in the axial direction and is formed in a tapered hole shape whose diameter decreases from the opening toward the other end in the axial direction. A motor portion provided in the fluid pump is inserted into the outer peripheral surface of the motor portion. A holding portion configured to have a holding hole portion for surrounding and holding,
A fixing part that is formed integrally with the holding part, and for fixing the holding part to the fixed part;
Provided in the holding portion, and when the motor portion is inserted and held in the holding hole portion, the locking portion formed in the fluid pump and the object to be locked in the direction around the axis of the holding hole portion. A locking part;
Equipped with a,
On the other end side in the axial direction of the holding hole portion, a press-fitting portion formed with a hole size into which the motor portion can be press-fitted is provided,
The axial direction one end side of the press-fitting part in the holding hole part has a gap between the outer peripheral surface of the motor part in a state where the motor part is inserted into the holding hole part,
The locked portion is one end side in the axial direction of the holding hole portion, and a portion having a gap with the outer peripheral surface of the motor portion in a state where the motor portion is inserted into the holding hole portion. A rubber bracket formed on a peripheral surface . 2. The rubber bracket according to claim 1, wherein the fixing portion is provided at at least two positions spaced apart in a direction around an axis of the holding hole portion on an outer peripheral surface of the holding portion . A fluid pump;
A rubber bracket according to claim 1 or 2,
A fluid pump device comprising: The locking portion is a rib provided on the outer peripheral surface of at least one of the pump portion and the motor portion,
The fluid pump device according to claim 3, wherein the locked portion is a locking recess locked to the rib . 5. The fluid pump according to claim 3, wherein the fluid pump is assembled to the rubber bracket so that the pump portion is positioned on one end side in the axial direction of the holding hole portion. apparatus. The holding hole has an opening on the other end side in the axial direction,
  The motor portion includes a protruding portion that protrudes outward from an opening portion on the other end side in the axial direction of the holding hole portion, and an opening portion on the other end side in the axial direction of the holding hole portion in the protruding portion. The fluid pump device according to claim 5, wherein the fluid pump device is configured to include an enlarged diameter portion formed to have a larger diameter.

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