CN214595753U - High-performance negative pressure water sucking machine with backflow prevention function - Google Patents

Abstract

The utility model relates to a backflow prevention field of a high-performance negative pressure water suction machine, in particular to a high-performance negative pressure water suction machine with backflow prevention function, which comprises a body, a filtering structure and a backflow prevention structure, wherein the central position of the front end of the body is communicated with a hose, the other end of the hose is communicated with a suction pipe, and the suction pipe is connected with the body in a sliding way, in the utility model, through the arranged jacking shaft, the floating ball, the connecting shaft and the positioning sieve plate, the arrangement is matched with the fixed connection of the jacking shaft and the spring, the fixed connection of the floating ball and the connecting shaft and the sliding connection of the positioning sieve plate and the backflow prevention structure, in the process of using the negative pressure water suction machine, the suction force of the negative pressure water suction machine drives the floating ball to extrude the spring compression deformation inside the spacing shrinkage cylinder through the jacking shaft, and the positioning of the positioning sieve plate can drive the inlet which is separated from the backflow prevention structure, when the negative pressure water suction machine is closed, the spring promotes the floater and resets to closed backflow prevention structure's pipeline mouth prevents the backward flow, strengthens the effect of absorbing water.

Description

High-performance negative pressure water sucking machine with backflow prevention function

Technical Field

The utility model relates to a high performance negative pressure water suction machine anti-return field specifically is a high performance negative pressure water suction machine with anti-return function.

Background

The dust-collecting water-suction machine is characterized in that a power supply is connected through a machine, the power supply passes through a filter plate, a power switch drives a motor to rotate at a high speed, fan blades of the fan rotate to discharge air at a high speed, air of a dust-collecting part at the front end of the fan is not supplemented with air of the fan, so that instant vacuum is generated inside the machine, the air with dust is sucked by a negative pressure difference machine formed with the outside under the action of negative pressure difference, the air is filtered by a dust filtering device to discharge clean air, when the dust-collecting water-suction machine is used for a long time, the suction force is reduced due to the blockage of meshes of a filter screen, in order to prevent the reduction of the suction force, the filter screen and a cloth bag are periodically cleaned by water, and then the filter screen and the cloth bag are dried and reused in a shade place after washing, and the suction force can be recovered.

Traditional negative pressure water absorption machine's inside does not possess anti-return structure, this kind of condition just appears in the in-process that uses negative pressure water absorption machine very easily, there is partial sewage to flow back out through the pipeline, further leading to the effect of absorbing water to reduce, negative pressure water absorption machine's suction tube and suction head position are generally longer simultaneously, and general negative pressure water absorption machine outside does not possess fixed structure of accomodating, use at every turn and accomplish the back, all place the suction tube subaerial at will, be unfavorable for the protection to the suction tube and accomodate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high performance negative pressure water sucking machine with anti-return function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-performance negative pressure water suction machine with a backflow prevention function comprises a body, a filtering structure and a backflow prevention structure, wherein a hose is communicated with the center position of the front end of the body, the other end of the hose is communicated with a suction pipe, the suction pipe is connected with the body in a sliding manner, a limiting shrinkage barrel is fixedly connected to the inner side of the backflow prevention structure through a support, a top shaft is connected to the inner side of the limiting shrinkage barrel in a sliding manner, a spring is fixedly connected to the top end of the top shaft, the other end of the spring is fixedly connected with the limiting shrinkage barrel, a protective layer is fixedly connected to the other end of the top shaft, a floating ball is fixedly connected to the outer side of the protective layer, a connecting shaft is fixedly connected to the outer side of the floating ball, a positioning sieve plate is fixedly connected to the bottom end of the connecting shaft and is connected with the backflow prevention structure in a sliding manner, a fixed block is fixedly connected to the left side of the body, and a sliding plate is connected to the inner side of the fixed block in a sliding manner, the left end fixedly connected with holding ring of slide, and holding ring and fixed block sliding connection, the outside central point of suction tube puts sliding connection and has the snap ring, the left side fixedly connected with screw thread post of snap ring, the outside screwed connection of screw thread post has the nut cap, the right-hand member of snap ring rotates and is connected with the buckle.

Preferably, the inner side of the floating ball is arranged in a cavity shape, the floating ball is made of a light-weight plastic plate, and the outer side of the floating ball is coated with a wear-resistant coating.

Preferably, the protective layer is made of a rubber plate, and the jacking shaft and the connecting shaft are symmetrically arranged on two sides of the floating ball.

Preferably, the top side of the positioning sieve plate is provided with a limiting ring, and the limiting ring is fixedly connected with the backflow prevention structure.

Preferably, the inboard sliding connection of slide has the fixing base, the inboard screwed connection of fixing base has the screw thread axle, and the screw thread axle rotates with the fixed block to be connected, the snap ring is total two, and the snap ring is the semicircle arcuation setting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arranged jacking shaft, the floating ball, the connecting shaft and the positioning sieve plate, the arrangement is matched with the fixed connection between the jacking shaft and the spring, the fixed connection between the floating ball and the connecting shaft and the sliding connection between the positioning sieve plate and the backflow-preventing structure, in the process of using the negative pressure water suction machine, the suction force of the negative pressure water suction machine sucks the floating ball to extrude the spring compression deformation at the inner side of the spacing shrinkage cylinder through the jacking shaft, the floating ball can be driven to be separated from the inlet of the backflow-preventing structure by matching with the positioning of the positioning sieve plate, when the negative pressure water suction machine is closed, the spring pushes the floating ball to reset, thereby closing the pipeline port of the backflow-preventing structure, preventing backflow and enhancing the water suction effect;

2. the utility model discloses in, through the holding ring, slide, snap ring and the buckle that set up, this kind of fixed connection who sets up cooperation holding ring and slide, the fixed even volume of snap ring and screw thread post is good and the fixed connection of buckle and snap ring, and the back is accomplished in the use of negative pressure suction water machine, can aim at the holding ring inboard in the fixed block outside with the buckle on the snap ring in the outside and insert, fix a position the suction tube to avoid the suction tube to put after accomplishing using wantonly indiscriminately, the protection with accomodate all very simple.

Drawings

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

FIG. 2 is a schematic view of the installation structure of the floating ball of the present invention;

fig. 3 is a schematic view of the mounting structure of the threaded shaft of the present invention;

fig. 4 is a schematic view of the installation structure of the snap ring of the present invention.

In the figure: the device comprises a body 1, a hose 2, a suction pipe 3, a filtering structure 4, a backflow prevention structure 5, a limiting shrinkage barrel 6, a jacking shaft 7, a spring 8, a protective layer 9, a floating ball 10, a connecting shaft 11, a positioning sieve plate 12, a limiting ring 13, a fixing block 14, a sliding plate 15, a positioning ring 16, a fixing seat 17, a threaded shaft 18, a snap ring 19, a threaded column 20, a nut cap 21 and a buckle 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a high-performance negative pressure water suction machine with a backflow prevention function comprises a body 1, a filtering structure 4 and a backflow prevention structure 5, wherein a hose 2 is communicated with the center position of the front end of the body 1, the other end of the hose 2 is communicated with a suction pipe 3, the suction pipe 3 is in sliding connection with the body 1, a limiting shrinkage barrel 6 is fixedly connected to the inner side of the backflow prevention structure 5 through a support, a top shaft 7 is slidably connected to the inner side of the limiting shrinkage barrel 6, a spring 8 is fixedly connected to the top end of the top shaft 7, the other end of the spring 8 is fixedly connected with the limiting shrinkage barrel 6 to facilitate pushing the top shaft 7 to move, a protective layer 9 is fixedly connected to the other end of the top shaft 7, a floating ball 10 is fixedly connected to the outer side of the protective layer 9, a connecting shaft 11 is fixedly connected to the outer side of the floating ball 10, a positioning sieve plate 12 is fixedly connected to the bottom end of the connecting shaft 11, and the positioning sieve plate 12 is slidably connected with the backflow prevention structure 5, be favorable to fixing a position floater 10, filter a part of impurity simultaneously, the left side fixedly connected with fixed block 14 of body 1, the inboard sliding connection of fixed block 14 has slide 15, the left end fixedly connected with holding ring 16 of slide 15, and holding ring 16 and fixed block 14 sliding connection, the outside central point of suction tube 3 puts sliding connection has snap ring 19, the left side fixedly connected with screw thread post 20 of snap ring 19, the outside screwed connection of screw thread post 20 has nut cap 21, be favorable to fixing snap ring 19, the right-hand member of snap ring 19 rotates and is connected with buckle 22.

The inner side of the floating ball 10 is arranged in a cavity shape, the floating ball 10 is made of a light-weight plastic plate, and the outer side of the floating ball 10 is coated with a wear-resistant coating, so that the floating ball 10 can move on the inner side of the backflow preventing structure 5 conveniently; the protective layer 9 is made of a rubber plate, the top shaft 7 and the connecting shaft 11 are symmetrically arranged on two sides of the floating ball 10, so that the protective layer 9 is attached between the top shaft 7 and the floating ball 10 to avoid damage; a limiting ring 13 is arranged on the top side of the positioning sieve plate 12, and the limiting ring 13 is fixedly connected with the backflow prevention structure 5, so that the positioning sieve plate 12 is conveniently positioned on the outer side of the limiting ring 13, and the floating ball 10 is prevented from being separated; the inboard sliding connection of slide 15 has fixing base 17, and the inboard screwed connection of fixing base 17 has screw shaft 18, and screw shaft 18 rotates with fixed block 14 to be connected, and snap ring 19 is total two, and snap ring 19 is half circular arc shape and sets up, and screw shaft 18 pulling fixing base 14 of being convenient for fixes a position, and two snap rings 19 conveniently remove the position of snap ring 19 simultaneously.

The working process is as follows: the device uses an external power supply, the power supply is switched on, the negative pressure water suction machine body 1 is started, the body 1 works, suction force is generated, water is sucked into the interior of the machine body 1 through the hose 2 and the suction pipe 3, in the suction process, sewage firstly passes through the filtering structure 4 to primarily filter impurities in the water, then the suction force sucks the floating ball 10 to slide on the inner side of the limiting shrinkage cylinder 6 through the top shaft 7, the extrusion spring 8 is compressed and deformed to ensure that the top shaft 7 enters the inner side of the limiting sleeve 6, so that the floating ball 10 is movably clamped on the outer side of the limiting ring 13 through the positioning sieve plate 12 to be separated from a water inlet of the anti-backflow structure 5, the sewage starts to enter the hose 2 and finally enters the inner side of the machine body 1, when the negative pressure water suction machine is stopped, the floating ball 10 on the inner side of the anti-backflow structure 5 loses the suction force, the spring 8 pushes the top shaft 7 to move outwards, so as to push the floating ball 10 to move to the water inlet of the anti-backflow structure 5, carry out closedly, put back the sewage backward flow, can take up suction tube 3 simultaneously, it is inboard to aim at holding ring 16 on the fixed block 14 of body 1 outside with buckle 22 on the 3 outside snap rings 19 of suction tube, thereby fix the outside at body 1 with suction tube 3, the user can be according to the demand of self, slip holding ring 16, after removing suitable position with holding ring 16, the screw thread axle 18 rotates, screw thread axle 18 rotates at the inboard of fixing base 17, thereby taut slide 15 is in the inboard position of fixed block 14, fix the left side at fixed block 14 with holding ring 16, can rotate nut cap 21 simultaneously and take off snap ring 19, after removing suitable position, reuse nut cap 21 fixes a position snap ring 19.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a high performance negative pressure water sucking machine with anti-return function, includes body (1), filtration (4) and anti-return structure (5), its characterized in that: the anti-backflow structure is characterized in that the front end center of the body (1) is communicated with a hose (2), the other end of the hose (2) is communicated with a suction pipe (3), the suction pipe (3) is connected with the body (1) in a sliding manner, the inner side of the anti-backflow structure (5) is fixedly connected with a limiting shrinkage barrel (6) through a support, the inner side of the limiting shrinkage barrel (6) is connected with a top shaft (7) in a sliding manner, the top end of the top shaft (7) is fixedly connected with a spring (8), the other end of the spring (8) is fixedly connected with the limiting shrinkage barrel (6), the other end of the top shaft (7) is fixedly connected with a protective layer (9), the outer side of the protective layer (9) is fixedly connected with a floating ball (10), the outer side of the floating ball (10) is fixedly connected with a connecting shaft (11), the bottom end of the connecting shaft (11) is fixedly connected with a positioning sieve plate (12), and the positioning sieve plate (12) is connected with the anti-backflow structure (5) in a sliding manner, the utility model discloses a suction tube, including body (1), the left side fixedly connected with fixed block (14) of body (1), the inboard sliding connection of fixed block (14) has slide (15), the left end fixedly connected with holding ring (16) of slide (15), and holding ring (16) and fixed block (14) sliding connection, the outside central point of suction tube (3) puts sliding connection and has snap ring (19), the left side fixedly connected with screw thread post (20) of snap ring (19), the outside screwed connection of screw thread post (20) has nut cap (21), the right-hand member of snap ring (19) rotates and is connected with buckle (22).

2. The high-performance negative pressure water sucking machine with the backflow preventing function as claimed in claim 1, is characterized in that: the inner side of the floating ball (10) is arranged in a cavity shape, the floating ball (10) is made of a light-weight plastic plate, and the outer side of the floating ball (10) is coated with a wear-resistant coating.

3. The high-performance negative pressure water sucking machine with the backflow preventing function as claimed in claim 1, is characterized in that: the protective layer (9) is made of a rubber plate, and the jacking shaft (7) and the connecting shaft (11) are symmetrically arranged on two sides of the floating ball (10).

4. The high-performance negative pressure water sucking machine with the backflow preventing function as claimed in claim 1, is characterized in that: the top side of the positioning sieve plate (12) is provided with a limiting ring (13), and the limiting ring (13) is fixedly connected with the backflow prevention structure (5).

5. The high-performance negative pressure water sucking machine with the backflow preventing function as claimed in claim 1, is characterized in that: the inboard sliding connection of slide (15) has fixing base (17), the inboard screwed connection of fixing base (17) has screw shaft (18), and screw shaft (18) rotate with fixed block (14) and be connected, snap ring (19) are total two, and snap ring (19) are the semicircle arcuation setting.

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