CN208831343U

CN208831343U - A kind of buffering noise reduction pump housing

Info

Publication number: CN208831343U
Application number: CN201821575314.4U
Authority: CN
Inventors: 郑顺兵
Original assignee: Jiangsu New World Machinery Parts Co Ltd
Current assignee: Jiangsu New World Machinery Parts Co Ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2019-05-07
Anticipated expiration: 2028-09-26

Abstract

The utility model relates to water pump fields, more particularly to a kind of buffering noise reduction pump housing, including the pump housing and pump cover compatible with the pump housing, the pump housing is equipped with water inlet flow channel and outlet passage, booster cavity is additionally provided on the pump housing, water inlet flow channel and outlet passage are connected with booster cavity, and the first buffering noise reduction cavity and the second buffering noise reduction cavity are additionally provided on the pump housing, and the first buffering noise reduction cavity and the second buffering noise reduction cavity are connected with booster cavity；First buffering noise reduction cavity includes the first noise reduction wall of the first buffer wall and arc that are obliquely installed, second buffering noise reduction cavity includes the second noise reduction wall of the second buffer wall and arc that are obliquely installed, first buffer wall and the first noise reduction wall are connected, and the second buffer wall and the second noise reduction wall are connected.The utility model can make water pump at work, can alleviate impact of the water flow to the pump housing, while have the effect of reducing noise.

Description

A kind of buffering noise reduction pump housing

Technical field

The utility model relates to water pump fields, and in particular to a kind of buffering noise reduction pump housing.

Background technique

Water pump is generally used in water system, and water pump is mainly made of motor, the pump housing and pump cover, due to being all machinery zero Part, thus when pump working, motor impeller high-speed rotation in the pump housing, therefore biggish punching can be generated to pump body It hits, and noise can be issued.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind can alleviate water flow in high speed The buffering noise reduction pump housing of the impact and reduction noise that are generated when rotation.

To achieve the above object, the utility model provides following technical solution: including the pump housing and compatible with the pump housing Pump cover, the pump housing are equipped with water inlet flow channel and outlet passage, are additionally provided with booster cavity on the pump housing, water inlet flow channel and outlet passage with increasing Pressure chamber is connected, and the first buffering noise reduction cavity and the second buffering noise reduction cavity are additionally provided on the pump housing, and the first buffering noise reduction cavity and second delays Noise reduction cavity is rushed to be connected with booster cavity；

First buffering noise reduction cavity includes the first noise reduction wall of the first buffer wall and arc that are obliquely installed, the second buffering noise reduction Chamber includes the second noise reduction wall of the second buffer wall and arc that are obliquely installed, and the first buffer wall and the first noise reduction wall are connected, the Two buffer walls and the second noise reduction wall are connected.

Further, auxiliary buffer wall, auxiliary noise reduction wall and guide wall, auxiliary buffer wall, auxiliary drop are additionally provided in booster cavity It makes an uproar wall and guide wall is sequentially connected.

Further, the value range of the central angle of the first noise reduction wall and the second noise reduction wall is 90 ° -130 °.

Further, the value range of the angle of guide wall and horizontal plane is 10 ° -30 °.

Further, outlet passage includes that the expansion runner being connected is connected with runner, connection runner is connected to booster cavity, Expand runner in horn-like.

Further, assist noise reduction wall section be in arc-shaped, and assist noise reduction wall central angle value range be 100 °- 120°。

The deficiencies in the prior art are compared, the utility model has the advantages that when in use brought by technical solution provided by the utility model, Water enters booster cavity from water inlet flow channel, and rotates under the drive of impeller, due to the first buffering noise reduction cavity and the second buffering noise reduction The presence of chamber, therefore part water flow can enter in the first buffering noise reduction cavity and the second buffering noise reduction cavity, to avoid water flow to pump Body causes to impact, and also reduces noise；Simultaneously because the presence for the buffer wall being obliquely installed, therefore water flow is entering the first buffering Noise reduction cavity and second buffering noise reduction cavity in when, the flow velocity of water flow slows down, avoid that the pump housing is caused to impact, while the first noise reduction wall and The presence of second noise reduction wall makes the flow direction of water flow be arc shape, avoids the problem that the water impact pump housing and the hair that makes a noise It is raw.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of the utility model.

Fig. 2 is the part A enlarged diagram of the utility model.

Fig. 3 is the part B enlarged diagram of the utility model.

Fig. 4 is the C portion enlarged diagram of the utility model.

Fig. 5 is the outlet passage schematic cross-sectional view of the utility model.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be merely to illustrate and explain the present invention, is not used to limit the utility model.

It should be noted that these attached drawings are simplified schematic diagram, only illustrate the base of the utility model in a schematic way This structure, therefore it only shows composition related with the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result, Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying Bright, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

- Fig. 5 is described further the utility model referring to Fig.1.

A kind of buffering noise reduction pump housing, including the pump housing 11 and pump cover 12 compatible with the pump housing 11, the pump housing 11 are equipped with water inlet Runner 13 and outlet passage 14, are additionally provided with booster cavity 3 on the pump housing 11, water inlet flow channel 13 and outlet passage 14 with 3 phase of booster cavity It is connected to, the first buffering noise reduction cavity 21 and the second buffering noise reduction cavity 22, the first buffering noise reduction cavity 21 and second is additionally provided on the pump housing 11 Buffering noise reduction cavity 22 is connected with booster cavity 3；

First buffering noise reduction cavity 21 includes the first noise reduction wall 212 of the first buffer wall 211 and arc being obliquely installed, and second Buffering noise reduction cavity 22 includes the second noise reduction wall 222 of the second buffer wall 221 and arc that are obliquely installed, 211 He of the first buffer wall First noise reduction wall 212 is connected, and the second buffer wall 221 is connected with the second noise reduction wall 222；Impeller is mounted in booster cavity 3, In use, water enters booster cavity 3 from water inlet flow channel 13, and rotated under the drive of impeller, due to the first buffering 21 He of noise reduction cavity The presence of second buffering noise reduction cavity 22, therefore part water flow can enter the first buffering noise reduction cavity 21 and the second buffering noise reduction cavity 22 It is interior, so that water flow be avoided to cause to impact to the pump housing 11, also reduce noise；Simultaneously because the first buffer wall 211 being obliquely installed With the presence of the second buffer wall 212, therefore water flow enter first buffering noise reduction cavity 21 and second buffering noise reduction cavity 22 in when, water The flow velocity of stream slows down, and avoids causing to impact to the pump housing 11, while the first noise reduction wall 212 of arc and depositing for the second noise reduction wall 222 It is arc shape in the flow direction for making water flow, avoids the problem that the water impact pump housing 11 and the generation that makes a noise.

Further, as shown in Figure 2 and Figure 3, the first buffer wall 211 and the first buffering noise reduction cavity of the first buffering noise reduction cavity 21 The vertical range L of 21 bottom is greater than the second buffer wall 221 of the second buffering noise reduction cavity 22 and the bottom of the second buffering noise reduction cavity 22 The vertical range l in portion；Therefore when in use, when turning to the second buffering noise reduction cavity 22, hydraulic pressure will increase water flow, advantageously It is discharged in by water, so that it is more efficient, reduce the output power of motor, it is energy saving.

Further, as shown in figure 4, being additionally provided with auxiliary buffer wall 231, auxiliary noise reduction wall 232 and guide wall in booster cavity 3 233, auxiliary buffer wall 231, auxiliary noise reduction wall 232 and guide wall 233 are sequentially connected；When water flow enters in booster cavity 3 and in leaf When rotating under the drive of wheel, auxiliary buffer wall 231 and assist noise reduction wall 232 that can effectively reduce the impact and sending of water flow Noise, while the presence of guide wall 233 directly can cause to impact to avoid water flow to impeller.

Further, as shown in Figure 2 and Figure 3, the value range of the central angle a of the first noise reduction wall 211 and the second noise reduction wall 221 It is 90 ° -130 °, is able to achieve preferable buffering and noise reduction effect within this range, meanwhile, when the first noise reduction wall of arc 211 and second noise reduction wall 221 central angle a value be 115 ° when, noise reduction effect is best.

Further, as shown in figure 4, the value range of the angle b of guide wall 233 and horizontal plane is 10 ° -30 °, in this range It is interior, preferable guiding role can be played to water flow, when guide wall 233 and the value of the angle b of horizontal plane are 25 ° to water flow Guide effect is best.

Further, as shown in figure 5, outlet passage includes that the expansion runner 142 being connected is flowed with runner 141, connection is connected to Road 141 is connected with booster cavity 3, and it is in horn-like for expanding runner 142, therefore water flow, in discharge, the presence for expanding runner 142 can Avoid causing excessive shock to the pump housing 11 and extraneous junction to reduce hydraulic pressure, so as to cause junction loosening the problem of send out It is raw.

Further, as shown in figure 4, the section of auxiliary noise reduction wall 232 is in arc-shaped, and the central angle c of noise reduction wall 232 is assisted Value range is 100 ° -120 °, can achieve preferable Noise Reduction within this range, as the central angle c of auxiliary noise reduction wall 232 Value be 110 ° when, noise reduction effect is best.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model It protects in range.

Claims

1. a kind of buffering noise reduction pump housing, including the pump housing and pump cover compatible with the pump housing, it is characterised in that: set on the pump housing Have water inlet flow channel and outlet passage, be additionally provided with booster cavity on the pump housing, the water inlet flow channel and outlet passage with increasing Pressure chamber is connected, and the first buffering noise reduction cavity and the second buffering noise reduction cavity, the first buffering drop are additionally provided on the pump housing Make an uproar chamber and second buffering noise reduction cavity be connected with booster cavity；

The described first buffering noise reduction cavity includes the first noise reduction wall of the first buffer wall and arc that are obliquely installed, and described second Buffering noise reduction cavity includes the second noise reduction wall of the second buffer wall and arc that are obliquely installed, first buffer wall and the first drop Wall of making an uproar is connected, and second buffer wall and the second noise reduction wall are connected.

2. a kind of buffering noise reduction pump housing according to claim 1, it is characterised in that: be additionally provided with auxiliary in the booster cavity Buffer wall, auxiliary noise reduction wall and guide wall, the auxiliary buffer wall, auxiliary noise reduction wall and guide wall are sequentially connected.

3. a kind of buffering noise reduction pump housing according to claim 1, it is characterised in that: the first noise reduction wall and the second drop The value range of central angle of wall of making an uproar is 90 ° -130 °.

4. a kind of buffering noise reduction pump housing according to claim 2, it is characterised in that: the folder of the guide wall and horizontal plane The value range at angle is 10 ° -30 °.

5. a kind of buffering noise reduction pump housing according to claim 1, it is characterised in that: the outlet passage includes being connected Expansion runner be connected with runner, the connection runner is connected to booster cavity, the expansion runner is in horn-like.

6. a kind of buffering noise reduction pump housing according to claim 2, it is characterised in that: the section of the auxiliary noise reduction wall is in Arc-shaped, and assisting the central angle value range of noise reduction wall is 100 ° -120 °.