阅读说明：本技术 一种自吸泵防虹吸结构 (Anti-siphon structure of self-priming pump ) 是由 陆钦臣 于 2020-08-03 设计创作，主要内容包括：本发明公开了一种自吸泵防虹吸结构,涉及自吸泵技术领域,包括抽水泵,所述抽水泵的底部设置有底座,所述抽水泵的一侧固定安装有出水管,所述抽水泵的另一侧固定安装有进水管,所述进水管的中部固定安装有止回阀,所述进水管的一端外侧固定安装有防虹吸管,所述防虹吸管的一侧固定安装有连接管。本发明自吸泵防虹吸结构,便于调节抽水泵与进水管之间的压力,使驱动电机停止工作后抽水泵的内腔与进水管之间的压力达到平衡,从而有效的防止出现虹吸,能够对驱动电机产生的震动进行缓冲,从而防止驱动电机在工作过程中产生较大的噪音。(The invention discloses a self-priming pump anti-siphon structure, which relates to the technical field of self-priming pumps and comprises a water suction pump, wherein a base is arranged at the bottom of the water suction pump, a water outlet pipe is fixedly arranged at one side of the water suction pump, a water inlet pipe is fixedly arranged at the other side of the water suction pump, a check valve is fixedly arranged in the middle of the water inlet pipe, an anti-siphon pipe is fixedly arranged at the outer side of one end of the water inlet pipe, and a connecting pipe is fixedly arranged at one side of the. The anti-siphon structure of the self-priming pump is convenient for adjusting the pressure between the water suction pump and the water inlet pipe, so that the pressure between the inner cavity of the water suction pump and the water inlet pipe is balanced after the driving motor stops working, siphoning is effectively prevented, vibration generated by the driving motor can be buffered, and larger noise generated by the driving motor in the working process is prevented.)

1. The utility model provides a siphon structure is prevented to self priming pump, includes suction pump (1), its characterized in that: the bottom of suction pump (1) is provided with base (3), one side fixed mounting of suction pump (1) has outlet pipe (4), the opposite side fixed mounting of suction pump (1) has inlet tube (5), the middle part fixed mounting of inlet tube (5) has check valve (6), the one end outside fixed mounting of inlet tube (5) has anti-siphon pipe (7), one side fixed mounting of anti-siphon pipe (7) has connecting pipe (8), the top fixed mounting of anti-siphon pipe (7) has check valve (9), the top fixed mounting of check valve (9) has intake pipe (10), the interior diapire fixed mounting of check valve (9) has outlet duct (11), the equal fixed mounting in interior diapire both sides of check valve (9) has connecting spring (12), the top fixed mounting of connecting spring (12) has valve block (13), the top fixed mounting of valve block (13) has projection (14), the equal fixed mounting in one side that the inner diapire both sides of check valve (9) are close to coupling spring (12) has brace table (15), the equal fixed mounting in bottom both sides of base (3) has support column (16), the bottom fixed mounting of support column (16) has connecting plate (17), the equal fixed mounting in bottom both sides of connecting plate (17) has damping spring (18).

2. The anti-siphon structure of self-priming pump according to claim 1, characterized in that:

the bottom of the anti-siphon pipe (7) is communicated with the water inlet pipe (5), and the connecting pipe (8) is communicated with the inner cavity of the water suction pump (1).

3. The anti-siphon structure of self-priming pump according to claim 1, characterized in that:

the convex column (14) is located inside the air inlet pipe (10), and the bottom end of the valve plate (13) corresponds to the support table (15).

4. The anti-siphon structure of self-priming pump according to claim 1, characterized in that:

the water suction pump is characterized in that a driving motor (2) is fixedly mounted at the top of the water suction pump (1), and the driving motor (2) drives the water suction pump (1) to rotate.

5. The anti-siphon structure of self-priming pump according to claim 1, characterized in that:

mounting groove (19) have been seted up to the inside of base (3), support column (16) are located the inside of mounting groove (19).

6. The anti-siphon structure of self-priming pump according to claim 1, characterized in that:

the quantity of damping spring (18) has four, four damping spring (18) are the rectangle array and distribute, damping spring (18) are damping spring, damping spring (18) are fixed with the interior diapire wall of mounting groove (19).

Technical Field

The invention relates to the technical field of self-priming pumps, in particular to an anti-siphon structure of a self-priming pump.

Background

A self-priming water pump is characterized by that before the water pump is started, the pump shell is filled with water, after the water pump is started, the impeller is rotated at high speed to make the water flow into the channel of impeller and flow into the volute, at this time the inlet is formed into vacuum state, so that the water-feeding check valve is opened, the air in the suction pipe is fed into the pump, and passed through the channel of impeller and reached to outer edge, and the air in the suction pipe is gradually exhausted by means of repeated circulation so as to make the water be fed into the pump to implement self-priming process.

At present, when the self-priming water pump is used, the phenomenon that an electric control exhaust valve is not closed well or an electric control element fails frequently occurs, so that an inlet pipe cannot form effective vacuum, the siphon phenomenon cannot be eliminated, the siphon prevention effect is poor, a motor can drive a pump body to generate large vibration in the operation process, large noise is easy to generate, and the working environment is easily influenced.

Therefore, it is necessary to develop an anti-siphon structure of a self-priming pump to solve the above problems.

Disclosure of Invention

The invention aims to provide an anti-siphon structure of a self-sucking pump, and aims to solve the problems that the anti-siphon effect of the existing anti-siphon structure of the self-sucking pump is poor and high noise is easy to generate in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a siphon structure is prevented to self priming pump, includes the suction pump, the bottom of suction pump is provided with the base, one side fixed mounting of suction pump has the outlet pipe, the opposite side fixed mounting of suction pump has the inlet tube, the middle part fixed mounting of inlet tube has the check valve, the one end outside fixed mounting of inlet tube has the siphon of preventing, one side fixed mounting of siphon of preventing has the connecting pipe, the top fixed mounting of siphon of preventing has the check valve, the top fixed mounting of check valve has the intake pipe, the interior diapire fixed mounting of check valve has the outlet duct, the equal fixed mounting of interior diapire both sides of check valve has connecting spring, the top fixed mounting of connecting spring has the valve block, the top fixed mounting of valve block has the projection, the interior diapire both sides of check valve are close to the equal fixed mounting of one side of connecting spring, the equal fixed mounting in bottom both sides of base has the support column, the bottom fixed mounting of support column has the connecting plate, the equal fixed mounting in bottom both sides of connecting plate has damping spring.

Optionally, the bottom end of the anti-siphon pipe is communicated with the water inlet pipe, and the connecting pipe is communicated with the inner cavity of the water suction pump.

Optionally, the convex column is located inside the air inlet pipe, and the bottom end of the valve plate corresponds to the support table.

Optionally, the top fixed mounting of suction pump has driving motor, driving motor drives the suction pump and rotates.

Optionally, a mounting groove is formed in the base, and the supporting column is located inside the mounting groove.

Optionally, damping spring's quantity has four, four damping spring is the rectangular array and distributes, damping spring is damping spring, damping spring is fixed with the inner bottom wall of mounting groove.

The invention has the technical effects and advantages that:

1. according to the anti-siphon device, the anti-siphon pipe, the connecting pipe, the one-way valve and the air inlet pipe are arranged in a matched mode, so that the pressure between the water suction pump and the water inlet pipe can be conveniently adjusted, the pressure between the inner cavity of the water suction pump and the water inlet pipe is balanced after the driving motor stops working, siphon is effectively prevented, the anti-siphon effect is good, and the problem of poor anti-siphon effect is solved.

2. According to the invention, through the matching arrangement of the connecting plate, the damping spring and the mounting groove, the vibration generated by the driving motor can be buffered, so that the driving motor is prevented from generating larger noise in the working process, the influence on the working environment is avoided, and the problem that larger noise is easy to generate is solved.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a one-way valve construction of the present invention;

FIG. 3 is a schematic cross-sectional view of a base structure according to the present invention;

fig. 4 is a perspective view of the base structure of the present invention.

In the figure: 1. a water pump; 2. a drive motor; 3. a base; 4. a water outlet pipe; 5. a water inlet pipe; 6. a check valve; 7. an anti-siphon tube; 8. a connecting pipe; 9. a one-way valve; 10. an air inlet pipe; 11. an air outlet pipe; 12. A connecting spring; 13. a valve plate; 14. a convex column; 15. a support table; 16. a support pillar; 17. a connecting plate; 18. a damping spring; 19. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention provides a self-priming pump anti-siphon structure as shown in figures 1-4, which comprises a water suction pump 1, wherein a driving motor 2 is fixedly installed at the top of the water suction pump 1, the driving motor 2 drives the water suction pump 1 to rotate, a base 3 is arranged at the bottom of the water suction pump 1, an installation groove 19 is formed in the base 3, a water outlet pipe 4 is fixedly installed at one side of the water suction pump 1, a water inlet pipe 5 is fixedly installed at the other side of the water suction pump 1, a check valve 6 is fixedly installed in the middle of the water inlet pipe 5, an anti-siphon pipe 7 is fixedly installed at the outer side of one end of the water inlet pipe 5, the bottom end of the anti-siphon pipe 7 is communicated with the water inlet pipe 5, a connecting pipe 8 is fixedly installed at one side of the anti-siphon pipe 7, the connecting pipe 8 is communicated with an inner cavity of, The connecting pipe 8, the check valve 9 and the air inlet pipe 10 are arranged in a matched manner, so that the pressure between the water suction pump 1 and the water inlet pipe 5 can be conveniently adjusted, the pressure between the inner cavity of the water suction pump 1 and the water inlet pipe 5 is balanced after the driving motor 2 stops working, siphoning is effectively prevented, the anti-siphoning effect is better, and the problem of poor anti-siphoning effect is solved, wherein an air outlet pipe 11 is fixedly arranged on the inner bottom wall of the check valve 9, connecting springs 12 are fixedly arranged on both sides of the inner bottom wall of the check valve 9, a valve plate 13 is fixedly arranged on the top end of the connecting springs 12, a convex column 14 is fixedly arranged on the top end of the valve plate 13, the convex column 14 is positioned inside the air inlet pipe 10, a supporting table 15 is fixedly arranged on both sides of the inner bottom wall of the check valve 9, which are close to the connecting springs, support column 16 is located mounting groove 19's inside, the bottom fixed mounting of support column 16 has connecting plate 17, the equal fixed mounting in bottom both sides of connecting plate 17 has damping spring 18, damping spring 18's quantity has four, four damping spring 18 are the rectangle array and distribute, damping spring 18 is damping spring, damping spring 18 is fixed mutually with mounting groove 19's inner bottom wall, through connecting plate 17, damping spring 18, cooperation setting between the mounting groove 19, can cushion the vibrations that driving motor 2 produced, thereby prevent that driving motor 2 from producing great noise in the course of the work, avoid causing the influence to operational environment, the problem of easily sending great noise has been solved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: during operation, driving motor 2 drives suction pump 1 and carries out work, suction pump 1 passes through outlet pipe 4 suction liquid, valve block 13 is by jack-up under the effect of pressure, connecting spring 12 is stretched this moment, valve block 13 seals up intake pipe 10 simultaneously, the vibrations that driving motor 2 produced are reduced through damping spring 18's flexible, cushion suction pump 1, when driving motor 2 stops working, kick-back through connecting spring 12 drives valve block 13 fast and falls down, the air passes through intake pipe 10 and gets into the inside of preventing siphon 7 and connecting pipe 8 this moment, simultaneously in the air admission inner chamber of suction pump 1 in the connecting pipe 8, under the effect of atmospheric pressure, pressure between the inner chamber of suction pump 1 and outlet pipe 4 reaches the balance, thereby reach the effect of preventing siphon.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.