TW202130910A - Fluid delivery device and housing thereof - Google Patents

Abstract

The utility model relates to a fluid conveying device and a shell thereof. The fluid conveying device comprises the shell and a fluid driving piece, the shell is provided with a first shell body, a second shell body and a plurality of limiting pieces. Wherein the first shell and the second shell are oppositely combined in a relative joint direction, and the limiting pieces are respectively clamped on the periphery of the first shell and the periphery of the second shell which are oppositely combined. The fluid driving piece is provided with a motor and at least one fan wheel, the motor and the at least one fan wheel are arranged in the first shell and the second shell, and the motor is used for driving the at least one fan wheel to rotate. Therefore, the fluid conveying device provided by the utility model can improve the assembly convenience and can improve the product yield. And moreover, the sealing and waterproof effects of the shell can be improved.

Description

Fluid conveying device and its casing

The invention relates to a fluid conveying device and its casing.

Conventional fluid delivery devices are common such as water pumps, etc., which can mainly control the circulation of fluids such as cooling water to dissipate heat from various products on the market that are prone to high temperatures during operation.

In addition, the component composition of the conventional water pump includes many complicated structural components such as housing, motor, shaft core, water blade, shaft seal, and hub. Therefore, it causes a lot of inconvenience in assembly and maintenance of the water pump. It is known that the shell of the water pump is assembled with screws, and improper force may cause the shell to rupture. In addition, it is possible that only the screw-locked part will have a better sealing and waterproof effect, which may cause water leakage in other non-screw-locked parts. Therefore, there is still a need to improve.

The present invention provides a fluid delivery device. In one embodiment, the fluid conveying device includes: a housing and a fluid driving component. The shell has a first shell, a second shell and several restricting parts. The first shell and the second shell are joined in a relative joining direction, and the plurality of restricting members are respectively clamped on the periphery of the first shell and the second shell after being joined. The fluid driving component has a motor and at least one fan wheel, the motor and the at least one fan wheel are arranged in the first housing and the second housing, and the motor is used for driving the at least one fan wheel to rotate.

The present invention provides a housing for a fluid delivery device. In one embodiment, the housing for the fluid conveying device includes: a first housing, a second housing, and several restricting members. The first shell has a periphery. The second shell has a periphery, and the first shell and the second shell are aligned in a relative joining direction. The plurality of restricting members are respectively clamped on the peripheries of the first shell and the second shell after being combined.

The fluid conveying device of the present invention utilizes the plurality of restricting parts to be clamped on the periphery of the first housing and the second housing after being joined to assemble the first housing and the second housing, which can improve the convenience of assembly And it will not cause the problem of rupture of the first shell or the second shell due to improper force, so as to improve the product yield. Moreover, the use of the plurality of restricting elements can improve the sealing and waterproofing effect of the housing.

Fig. 1 shows a perspective view of a fluid delivery device according to an embodiment of the present invention. Fig. 2A shows an exploded perspective view of a fluid delivery device according to an embodiment of the present invention. 2B shows a schematic front view of the second housing of the fluid conveying device according to an embodiment of the present invention. With reference to FIGS. 1, 2A and 2B, the fluid conveying device 1 of the present invention includes a housing 10 and a fluid driving component 20. The fluid delivery device 1 of the present invention can be used to drive fluids such as liquid (such as water or non-conductive liquid, etc.) or gas to circulate. For example: the fluid delivery device 1 of the present invention can be applied to water pumps, etc., but is not limited to the above .

In one embodiment, the housing 10 of the fluid delivery device 1 of the present invention has a first housing 11, a second housing 12 and a plurality of restricting members 13 and 14. The first housing 11 has a periphery 110. The second housing 12 has a periphery 120, the first housing 11 and the second housing 12 are aligned in a relative joining direction D, and the first housing 11 and the second housing 12 are along an axis Split to X. The plurality of restricting members 13 and 14 are respectively clamped on the periphery of the first housing 11 and the second housing 12 after being joined, that is, after the first housing 11 and the second housing 12 are joined together , The plurality of restricting members 13 and 14 are respectively clamped on the periphery of the first shell 11 and the second shell 12 that have been aligned. In one embodiment, the plurality of restricting members 13 and 14 are respectively tightly clamped on the periphery of the first housing 11 and the second housing 12 after they are joined.

In one embodiment, the first casing 11 has a first extension 111 disposed on the periphery 110 of the first casing 11, and the second casing 12 has a second extension 121 disposed on the first casing 11 The periphery 120 of the two shells. In one embodiment, the first extension portion 111 and the second extension portion 121 may be respectively arranged around the peripheries of the first casing 11 and the second casing 12. In an embodiment, the first extension portion 111 and the second extension portion 121 may be annularly disposed around the periphery of the first casing 11 and the second casing 12, or the first extension portion 111 The second extension portion 121 and the second extension portion 121 may be intermittently disposed on the periphery of the first casing 11 and the second casing 12, respectively. The plurality of restricting members 13 and 14 respectively sandwich the aligned first extension portion 111 and the second extension portion 121. In an embodiment, the plurality of restricting members 13 and 14 are respectively tightly fitted and clamped to the first extension portion 111 and the second extension portion 121 that have been aligned.

In one embodiment, the first extension 111 includes a plurality of arc-shaped sections 112, 113, 114, 115 and a plurality of straight sections 116, 117, 118, 119, and the plurality of arc-shaped sections 112, 113 , 114, 115 and the several straight sections 116, 117, 118, 119 are arranged at intervals. The second extension 121 includes a plurality of arc-shaped sections 122, 123, 124, 125 and a plurality of straight sections 126, 127, 128, 129, the plurality of arc-shaped sections 122, 123, 124, 125 and the Several straight sections 126, 127, 128, 129 are arranged at intervals.

In an embodiment, the plurality of restricting elements includes two restricting elements 13, 14, the restricting element 13 includes two arcs 131, 132 and a straight portion 133, wherein the two arcs 131, 132 of the restricting element 13 correspond to clamps Combine the arc-shaped sections 112, 113 of the first extension portion 111 and the arc-shaped sections 122, 123 of the second extension portion 121 that have been aligned, and the straight portion 133 of the restricting member 13 is correspondingly clamped The straight section 116 of the first extension portion 111 and the straight section 126 of the second extension portion 121 are aligned. The limiting member 14 includes two arc portions 141, 142 and a straight portion 143, wherein the two arc portions 141, 142 of the limiting member 14 correspondingly sandwich the arc sections 114 of the first extension portion 111 that have been aligned. , 115 and the arc-shaped sections 124, 125 of the second extension portion 121, the straight portion 143 of the restricting member 14 correspondingly sandwiches the aligned straight section 117 and the first extension portion 111 of the first extension portion 111 The straight section 127 of the two extension parts 121. In one embodiment, the plurality of restricting members 13 and 14 are respectively tightly fitted to clamp the above-mentioned section of the first extension part 111 and the above-mentioned section of the second extension part 121 that have been aligned.

In one embodiment, a sealing ring 18 is provided between the first extension 111 and the second extension 121 of the first casing 11 and the second casing 12. The sealing ring 18 is made of waterproof rubber or waterproof silicone. The sealing ring 18 can provide a better sealing effect after the first housing 11 and the second housing 12 are combined, so as to prevent the leakage of liquid or gas in the fluid conveying device 1.

In one embodiment, because the sealing ring 18 has elasticity, when assembling the plurality of restricting members 13, 14, the assembler can first press the first housing 11 and the second housing 12 to make the sealing ring 18 is compressed and reduced in thickness, so that the total thickness of the first housing 11, the sealing ring 18, and the second housing 12 after being combined is reduced, so that the plurality of restricting members 13, 14 are respectively sleeved on the The above-mentioned section of the first extension portion 111 and the above-mentioned section of the second extension portion 121. Moreover, after the plurality of restricting members 13 and 14 are respectively sleeved, the force applied by the assembler is eliminated, and the sealing ring 18 is not compressed and the thickness recovers, which can make the plurality of restricting members 13, 14 and the first extension 111 The tightness of the above-mentioned section and the above-mentioned section of the second extension portion 121 is improved to improve the sealing and waterproof effect of the housing 10.

In an embodiment, at least one of the first extension portion 111 or the second extension portion 121 further includes a positioning protrusion P, and at least one of the plurality of restricting members 13, 14 further includes a positioning groove S , Set at the corresponding position of the positioning convex point P to accommodate the positioning convex point P. In one embodiment, the positioning protrusion P is provided on the straight section 126 of the second extension portion 121, and the positioning groove S is provided on the straight portion 133 of the restricting member 13, corresponding to the positioning protrusion The corresponding position of P can accommodate the positioning protrusion P to provide a better positioning effect, so as to further prevent the restricting member 13 from falling off.

In one embodiment, the first extension portion 111 or the second extension portion 121 has a peripheral length, and the plurality of restriction members 13, 14 have a total length, which is an individual of the plurality of restriction members 13, 14 The total length, for example, the individual length of the restricting member 13 is the sum of the length of the two arc portions 131 and 132 and the length of the straight portion 133, and the total length is 70% or more of the peripheral length. Therefore, the plurality of restricting members 13 and 14 can sandwich most of the first extension portion 111 and the second extension portion 121 to improve the sealing and waterproof effect.

In an embodiment, each of the restricting members includes an accommodating portion for accommodating the first extension portion and the second extension portion that have been aligned. The restricting member 13 includes an accommodating portion 134 with an accommodating space for accommodating the first extension portion 111 and the second extension portion 121 that have been aligned. The restricting member 14 includes a receiving portion 144 for receiving the first extension portion 111 and the second extension portion 121 that have been aligned.

In one embodiment, the fluid drive member 20 has a motor 23 and at least one fan wheel 21, 22, the motor 23 and the at least one fan wheel 21, 22 are disposed in the first housing 11 and the second housing In the body 12, the motor 23 is used to drive the at least one fan wheel 21, 22 to rotate. In one embodiment, the housing 10 further includes an accommodating space 15 for accommodating the at least one fan wheel 21, 22 and the motor 23. In one embodiment, the at least one fan wheel 21, 22 includes a first fan wheel 21 and a second fan wheel 22, and the first fan wheel 21 and the second fan wheel 22 are connected.

In one embodiment, the accommodating space 15 is provided with a first accommodating chamber 151, a second accommodating chamber 152, and a third accommodating chamber 153. In the axial direction X perpendicular to the relative joining direction D, the first chamber The second chamber 152 is located between the first chamber 151 and the third chamber 153, the first fan wheel 21 is disposed in the first chamber 151, and the second fan wheel 22 is disposed in the second chamber 152 , The motor 23 is disposed in the third chamber 153. Thereby, the first chamber 151, the second chamber 152, and the third chamber 153 can effectively separate the first fan wheel 21, the second fan wheel 22 and the motor 23, respectively.

The number of fan wheels of the fluid conveying device 1 of the present invention can be set to two or more, and the chamber can be set to correspond to the number of fan wheels and three or more. For example, when the number of fan wheels is three, the number of chambers can be set to four; when the number of fan wheels is four, the number of chambers can be set to five, and so on. In this way, to increase the fluid output pressure.

In one embodiment, the housing 10 has a peripheral wall in the third chamber 153, the peripheral wall is provided with at least one first positioning portion F1, the motor 23 is provided with at least one second positioning portion F2, the first positioning portion F1 and The second positioning parts F2 are positioned corresponding to each other. In an embodiment, the first positioning portion F1 and the second positioning portion F2 are respectively a plane that abuts and abuts against each other. Thereby, the first positioning portion F1 and the second positioning portion F2 can be more closely attached, so as to provide the motor 23 with a better anti-rotation positioning effect.

In one embodiment, the housing 10 is provided with a first conveying portion 16 and a second conveying portion 17, the first conveying portion 16 and the second conveying portion 17 are connected to the accommodating space 15, and the first conveying portion 16 Corresponding to communicating with the first chamber 151, the second conveying portion 17 is corresponding to communicating with the second chamber 152, the first conveying portion 16 and the second conveying portion 17 are respectively pipe fittings for disassembly and assembly of the housing 10, The first conveying part 16 and the second conveying part 17 are disposed on the first housing 11.

In actual use of the fluid delivery device 1 of the present invention, when the first delivery portion 16 is set as the input end of the fluid, the second delivery portion 17 can be set as the output end of the fluid; or, when the first delivery portion When 16 is set as the output end of the fluid, the second conveying portion 17 can be set as the input end of the fluid, thereby improving the convenience of use. In addition, the motor 23 can synchronously drive the first fan wheel 21 and the second fan wheel 22 to rotate in a predetermined direction (such as clockwise or counterclockwise rotation), which can more effectively drive and pressurize the fluid flow, thereby increasing the fluid The delivery efficiency.

In an embodiment, the first fan wheel 21, the second fan wheel 22, and the motor 23 of the fluid drive member 20 can be assembled into one body and then directly placed in the accommodating space 15, using the axial direction X The design of the first shell 11 and the second shell 12 by splitting can be based on the relative joining direction D (perpendicular to the axial direction X), and then the first shell 11 and the second shell 12 are mutually Align, and clamp the plurality of restricting members 13, 14 on the periphery of the aligning of the first housing 11 and the second housing 12, so that the fluid drive member 20 of the combined integrated design is sealed and packaged Covering the accommodating space 15 of the casing 10 can provide better disassembly and assembly convenience, and the fluid drive member 20 can be integrated into the casing 10 or taken out from the casing 10 for convenience Carry out maintenance work.

In one embodiment, the material of the first housing 11 and the second housing 12 of the fluid delivery device 1 of the present invention can be the same; therefore, when the same material is used, the first housing 11 and the second housing The housing 12 is easy to produce and can effectively reduce the cost. Alternatively, the materials of the first housing 11 and the second housing 12 may be different. In one embodiment, the first housing 11 is made of transparent material such as transparent acrylic, polycarbonate (PC ) Or a shell made of polyvinyl chloride (PVC) material, a shell made of translucent acrylic, PC or PVC material, the second shell 12 is made of a thermally conductive material (such as metal material, etc.) The housing, but not limited to the above, can still choose other suitable materials; thereby, the accommodating space 15 of the housing 10 can be provided with a temperature sensing element (not shown) and a light emitting element (figure Not shown), the light-emitting element corresponds to the first housing 11, and the temperature-sensing element is electrically coupled to a control element (not shown in the figure) to control the light-emitting element, using the see-through of the first housing 11 Function, the temperature sensing element can be used to detect the operating temperature of the motor 23 or the temperature of the fluid in the accommodating space 15, and when the temperature exceeds a preset value, the control element can be used to control the light emission The component emits a warning light of a specific color (such as red light, etc.) to remind the user to pay attention, thereby achieving a better warning control function. In one embodiment, the fluid delivery device 1 of the present invention has a plurality of light-emitting elements. When the fluid delivery device 1 of the present invention is in operation, the plurality of light-emitting elements can emit light of different colors to enhance the beauty and have a cool effect.

In an embodiment, when the first conveying portion 16 is set as the input end of the fluid, and the second conveying portion 17 is set as the output end of the fluid, when the motor 23 drives the first fan wheel 21 and The second fan wheel 22 rotates, and the first fan wheel 21 and the second fan wheel 22 can cooperate with each other and introduce the fluid from the first conveying portion 16 through the first chamber 151 and the second chamber 152 in sequence , And then lead out the fluid from the second conveying part 17 to achieve the purpose of circulating the fluid.

3 shows an exploded perspective view of the restricting member of the fluid conveying device according to an embodiment of the present invention when the first and second housings are separated from each other. With reference to FIGS. 2A, 2B, and 3, in one embodiment, the plurality of restricting members include two restricting members 33, 34, and the restricting member 33 includes a straight portion 333 corresponding to the first extension portion 111 that has been aligned. The straight section 117 of the second extension part 121 and the straight section 127 of the second extension 121. The restricting member 34 includes a straight portion 343 corresponding to clamp the straight portion 116 of the first extension portion 111 and the straight portion 126 of the second extension portion 121 that have been aligned. In one embodiment, the restricting member 33 is in the shape of an ㄇ, the restricting member 33 includes a first side portion 334, a second side portion 335 and a third side portion 336, the first side portion 334 and the first side portion 334 and the second side portion 336. The two side portions 335 correspond to each other, and the third side portion 336 connects the first side portion 334 and the second side portion 335. Therefore, the first side portion 334, the second side portion 335, and the third side portion 336 form an accommodating portion 337 for accommodating the straight section 117 and the second extension of the first extension 111 that have been aligned. The straight section 127 of section 121. In one embodiment, the plurality of restricting members 33 and 34 are respectively tightly fitted to clamp the above-mentioned section of the first extension portion 111 and the above-mentioned section of the second extension portion 121 that have been aligned.

4 shows an exploded perspective view of the restricting member of the fluid conveying device according to an embodiment of the present invention when the first and second housings are separated from each other. With reference to FIGS. 2A, 2B and 4, in one embodiment, the straight sections 116, 117, 118, 119 of the first extension portion 111 include a plurality of first straight sections 116, 117 and a plurality of first straight sections 116, 117 and Two straight sections 118, 119, the length of the first straight section 116, 117 of the first extension 111 is greater than the length of the second straight section 118, 119, the plurality of straight sections of the second extension 121 The sections 126, 127, 128, 129 include a plurality of third straight sections 126, 127 and a plurality of fourth straight sections 128, 129, the length of the third straight section 126, 127 of the second extension 121 It is greater than the length of the fourth straight section 128, 129. In one embodiment, the plurality of restricting elements includes two restricting elements 43, 44, the restricting element 43 includes two arcs 431, 432 and a straight portion 433, wherein the two arcs 431, 432 of the restricting element 43 correspond to the clamps Combining the arc sections 112, 115 of the first extension portion 111 and the arc sections 122, 125 of the second extension portion 121 that have been aligned, the straight portion 433 of the restricting member 43 is correspondingly clamped The second straight section 118 of the first extension portion 111 and the fourth straight section 128 of the second extension portion 121 are aligned. The limiting member 44 includes two arc portions 441, 442 and a straight portion 443, wherein the two arc portions 441, 442 of the limiting member 44 correspondingly sandwich the arc sections 113 of the first extension portion 111 that have been aligned. , 114 and the arc sections 123 and 124 of the second extension portion 121, the straight portion 443 of the restricting member 44 correspondingly clamps the second straight portion 119 and the second straight section 119 and the first extension portion 111 that have been aligned The fourth straight section 129 of the second extension 121. In an embodiment, the plurality of restricting members 43 and 44 are respectively tightly fitted to clamp the above-mentioned section of the first extension part 111 and the above-mentioned section of the second extension part 121 that have been aligned.

FIG. 5 shows an exploded perspective view of the restricting member of the fluid conveying device according to an embodiment of the present invention when the first and second housings are separated from each other. With reference to Figures 2A, 2B, and 5, the plurality of restricting members includes four restricting members 51, 52, 53, 54 and the restricting member 51 includes an arc 511 corresponding to the first extension portion 111 that has been aligned. The arc-shaped section 115 and the arc-shaped section 125 of the second extension portion 121; the restricting member 52 includes an arc portion 521 corresponding to the arc-shaped section 114 that clamps the aligned first extension portion 111 And the arc-shaped section 124 of the second extension portion 121; the restricting member 53 includes an arc portion 531 corresponding to the arc-shaped section 112 and the second extension portion 121 that sandwich the first extension portion 111 that has been aligned The arc section 122; the limiting member 54 includes an arc 541 corresponding to the arc section 113 of the first extension portion 111 and the arc section of the second extension portion 121 that have been joined 123. In one embodiment, the plurality of restricting members 51, 52, 53, 54 respectively tightly fit and clamp the above-mentioned section of the first extension part 111 and the above-mentioned section of the second extension part 121 that have been aligned.

The fluid conveying device of the present invention utilizes the plurality of restricting parts to be clamped on the periphery of the first housing and the second housing after being joined to assemble the first housing and the second housing, which can improve the convenience of assembly And it will not cause the problem of rupture of the first shell or the second shell due to improper force, so as to improve the product yield. Moreover, the use of the plurality of restricting elements can improve the sealing and waterproofing effect of the housing.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but do not limit the present invention. Modifications and changes made by those skilled in the art to the above-mentioned embodiments still do not violate the spirit of the present invention. The scope of rights of the present invention should be listed in the scope of patent application described later.

1: Fluid delivery device 10: Shell 11: The first shell 12: The second shell 13,14: Restricted parts 15: accommodating space 16: The first conveying part 17: The second conveying department 18: Sealing ring 20: Fluid drive 21: The first fan 22: The second fan 23: Motor 33, 34: Restricted parts 43, 44: Restricted parts 51, 52, 53, 54: Restricted parts 110: Periphery of the first shell 111: first extension 112, 113, 114, 115: arc section 116,117: Straight section (the first straight section) 118,119: Straight section (second straight section) 120: Periphery of the second shell 121: second extension 122, 123, 124, 125: arc section 126,127: Straight section (third straight section) 128,129: Straight section (fourth straight section) 131,132: Arc 133: Straight 134: Containment Department 141,142: Arc 143: Straight 144: Receptacle 151: The First Room 152: The Second Chamber 153: The Third Chamber 333: Straight 334: first side 335: second side 336: third side 337: Containment Department 343: Straight 431,432: Arc 433: Straight 441,442: Arc 443: Straight 511,521,531,541: arc D: Relative joint direction F1: The first positioning part F2: The second positioning part P: Positioning bump S: positioning groove X: axial

Figure 1 shows a perspective view of a fluid delivery device according to an embodiment of the present invention;

Figure 2A shows an exploded perspective view of a fluid delivery device according to an embodiment of the present invention;

2B shows a schematic front view of the second housing of the fluid conveying device according to an embodiment of the present invention;

FIG. 3 shows a perspective exploded view of the restricting member of the fluid conveying device according to an embodiment of the present invention when the first and second housings are separated from the mated first housing and the second housing;

4 shows an exploded perspective view of the restricting member of the fluid conveying device according to an embodiment of the present invention when the first and second housings are separated from the mated first housing and the second housing; and

FIG. 5 shows a perspective exploded view of the restricting member of the fluid conveying device according to an embodiment of the present invention when the first housing and the second housing are separated from each other.

1: Fluid delivery device

11: The first shell

12: The second shell

13,14: Restricted parts

15: accommodating space

16: The first conveying part

17: The second conveying department

18: Sealing ring

20: Fluid drive

21: The first fan

22: The second fan

23: Motor

110: Periphery of the first shell

111: first extension

112, 113, 114, 115: arc section

116,117: Straight section (the first straight section)

118,119: Straight section (second straight section)

120: Periphery of the second shell

121: second extension

122, 123, 125: arc section

126: Straight section (third straight section)

128: Straight section (fourth straight section)

131,132: Arc

133: Straight

134: Containment Department

141,142: Arc

143: Straight

144: Receptacle

151: The First Room

152: The Second Chamber

153: The Third Chamber

D: Relative joint direction

F1: The first positioning part

F2: The second positioning part

P: Positioning bump

S: positioning groove

X: axial

Claims (35)

A fluid conveying device includes: A housing having a first shell, a second shell, and a plurality of restricting parts, the first shell and the second shell are aligned in a relative joining direction, and the plurality of restricting parts are clamped respectively The periphery of the first housing and the second housing after being joined; and A fluid driving component has a motor and at least one fan wheel, the motor and the at least one fan wheel are arranged in the first housing and the second housing, and the motor is used for driving the at least one fan wheel to rotate. The fluid delivery device of claim 1, wherein the first housing has a first extension portion disposed on the periphery of the first housing, and the second housing has a second extension portion disposed on the second housing On the periphery of the body, the plurality of restricting members respectively clamp the aligned first extension portion and the second extension portion. Such as the fluid delivery device of claim 2, wherein the first extension portion includes a plurality of arc-shaped sections and a plurality of straight sections, and the second extension portion includes a plurality of arc-shaped sections and a plurality of straight sections. For example, the fluid conveying device of claim 3, wherein the plurality of restricting members include two restricting members, each of the restricting members includes two arcs and a straight portion, and the two arcs of each restricting member correspond to the first that has been joined. The arc-shaped sections of the extension portion and the arc-shaped sections of the second extension portion, the straight portion of each restricting member correspondingly sandwiches the aligned straight section and the second portion of the first extension portion The straight section of the extension. For example, the fluid conveying device of claim 3, wherein the plurality of restricting members includes two restricting members, each of the restricting members includes a straight portion corresponding to the straight section and the second extending portion of the first extending portion that have been joined together The straight section. For example, the fluid delivery device of claim 3, wherein the plurality of restricting members includes four restricting members, and each of the restricting members includes an arc portion corresponding to the arc section and the second portion of the first extension portion that have been joined together. The arc section of the extension. The fluid delivery device of claim 3, wherein the straight sections of the first extension include a plurality of first straight sections and a plurality of second straight sections, and the first straight section of the first extension The length of the section is greater than the length of the second straight section, the straight sections of the second extension include a plurality of third straight sections and a plurality of fourth straight sections, and the first section of the second extension The length of the three straight section is greater than the length of the fourth straight section. For example, the fluid conveying device of claim 7, wherein the plurality of restricting members include two restricting members, each of the restricting members includes two arcs and a straight portion, and the two arcs of each restricting member correspond to the first that has been joined. The arc-shaped sections of the extension portion and the arc-shaped sections of the second extension portion, the straight portion of each of the restricting members correspondingly sandwich the second straight section and the aligned first extension portion The fourth straight section of the second extension. The fluid delivery device of claim 2, wherein a sealing ring is provided between the first extension portion and the second extension portion of the first housing and the second housing. Such as the fluid delivery device of claim 9, wherein the sealing ring is made of waterproof rubber or waterproof silicone. The fluid delivery device of claim 2, wherein at least one of the first extension portion or the second extension portion further includes a positioning protrusion, and at least one of the plurality of restricting members further includes a positioning groove disposed in The corresponding position of the positioning convex point can accommodate the positioning convex point. For example, the fluid delivery device of claim 2, wherein the first extension portion or the second extension portion has a peripheral length, and the plurality of restriction members have a total length, which is the sum of the individual lengths of the plurality of restriction members, The total length is 70% or more of the peripheral length. According to the fluid conveying device of claim 1, wherein the housing further includes an accommodating space for accommodating the at least one fan wheel and the motor. The fluid conveying device of claim 13, wherein the at least one fan wheel includes a first fan wheel and a second fan wheel, and the first fan wheel and the second fan wheel are connected. Such as the fluid delivery device of claim 14, wherein the accommodating space is provided with a first chamber, a second chamber, and a third chamber, and in an axial direction perpendicular to the relative joining direction, the second chamber is located Between the first compartment and the third compartment, the first fan wheel is disposed in the first compartment, the second fan wheel is disposed in the second compartment, and the motor is disposed in the third compartment. Such as the fluid delivery device of claim 15, wherein the third chamber is provided with at least one first positioning portion, the motor is provided with at least one second positioning portion, and the first positioning portion and the second positioning portion are positioned corresponding to each other. Such as the fluid conveying device of claim 16, wherein the first positioning portion and the second positioning portion are respectively a plane that abuts against each other. For example, the fluid conveying device of claim 15, wherein the housing is provided with a first conveying part and a second conveying part, the first conveying part and the second conveying part communicate with the accommodating space, and the first conveying part communicates with the corresponding The first container, the second conveying part correspondingly communicate with the second container, and the first conveying part and the second conveying part are disposed in the first housing. For example, the fluid delivery device of claim 2, wherein each of the restricting members includes an accommodating portion for accommodating the first extension portion and the second extension portion that have been aligned. For example, the fluid delivery device of claim 19, wherein each of the restricting members is in the shape of an ㄇ, each of the restricting members includes a first side, a second side, and a third side, the first side and the first side The two sides correspond to each other, and the third side connects the first side and the second side. A housing for a fluid conveying device, including: A first housing with a periphery; A second shell having a periphery, and the first shell and the second shell are aligned in a relative joining direction; and Several restricting parts are respectively clamped on the periphery of the first shell and the second shell after being combined. For example, the housing for a fluid delivery device of claim 21, wherein the first housing has a first extension disposed on the periphery of the first housing, and the second housing has a second extension disposed at On the periphery of the second casing, the plurality of restricting members respectively clamp the aligned first extension portion and the second extension portion. For example, the housing for a fluid conveying device of claim 22, wherein the first extension includes a plurality of arc-shaped sections and a plurality of straight sections, and the second extension includes a plurality of arc-shaped sections and a plurality of straight sections part. For example, the housing for a fluid conveying device of claim 23, wherein the plurality of restricting members include two restricting members, each of the restricting members includes two arcs and a straight portion, and the two arcs of each of the restricting members are correspondingly clamped and joined The arc-shaped sections of the first extension portion and the arc-shaped sections of the second extension portion, the straight portion of each of the restricting parts correspondingly clamps the straight area of the first extension portion that has been aligned Section and the straight section of the second extension. For example, the housing for a fluid conveying device of claim 23, wherein the plurality of restricting members includes two restricting members, each of the restricting members includes a straight portion corresponding to the straight section and the first extension portion that have been aligned The straight section of the second extension. For example, the housing for a fluid conveying device of claim 23, wherein the plurality of restricting members include four restricting members, and each of the restricting members includes an arc portion corresponding to the arcs of the first extension portion that have been aligned Segment and several arc-shaped segments of the second extension. For example, the housing for a fluid conveying device of claim 23, wherein the straight sections of the first extension include a plurality of first straight sections and a plurality of second straight sections, the first extension The length of the first straight section is greater than the length of the second straight section, the straight sections of the second extension portion include a plurality of third straight sections and a plurality of fourth straight sections, and the second extension The length of the third straight section of the part is greater than the length of the fourth straight section. For example, the housing for a fluid conveying device of claim 27, wherein the plurality of restricting elements include two restricting elements, each of the restricting elements includes two arcs and a straight part, and the two arcs of each restricting element are correspondingly clamped and joined The arc-shaped sections of the first extension portion and the arc-shaped sections of the second extension portion, the straight portion of each of the restricting members correspondingly clamps the second extension portion of the first extension portion that has been aligned The straight section and the fourth straight section of the second extension. For example, the housing for the fluid conveying device of claim 22, wherein a sealing ring is arranged between the first extension part and the second extension part of the first housing and the second housing. Such as the case of claim 29 for a fluid conveying device, wherein the sealing ring is made of waterproof rubber or waterproof silicone. For example, the housing for a fluid conveying device of claim 21, wherein the housing is provided with a first conveying part and a second conveying part, and the first conveying part and the second conveying part are arranged on the first housing. For example, the housing for a fluid delivery device of claim 22, wherein at least one of the first extension portion or the second extension portion further includes a positioning convex point, and at least one of the plurality of restricting members further includes a positioning concave The groove is arranged at the corresponding position of the positioning convex point to accommodate the positioning convex point. For example, the housing for a fluid conveying device of claim 22, wherein the first extension portion or the second extension portion has a peripheral length, and the plurality of restriction members have a total length, which is the individual of the plurality of restriction members The sum of the lengths, the total length is 70% or more of the peripheral length. For example, the housing for the fluid conveying device of claim 22, wherein each of the restricting members includes a receiving portion for receiving the first extension portion and the second extension portion that have been aligned. For example, the housing for a fluid conveying device of claim 34, wherein each of the restricting members is in the shape of an ㄇ, each of the restricting members includes a first side, a second side, and a third side, the first side The part and the second side part correspond to each other, and the third side part connects the first side part and the second side part.

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