阅读说明：本技术 一种高密封自吸泵 (High-sealing self-sucking pump ) 是由 吴辉 王清龙 汪云 于 2021-11-09 设计创作，主要内容包括：本发明公开了一种高密封自吸泵,包括驱动电机及泵体,该泵体具有一密封壳体及伸出至密封壳体外侧的动力输入轴,所述密封壳体的外侧罩设有一外壳体,所述外壳体内被一隔板分隔成传动室及放置室,所述泵体位于放置室内,泵体的进口及出口均连通有一管道,所述管道伸出至外壳体的外侧,泵体外侧与外壳体之间留有间隙,在该间隙内填充有灌胶层,灌胶层可有效填充泵体外壁面空隙,并将其与外界隔绝,避免锈蚀处产生,大大提高其整体的密封性,同时通过外壳体对灌胶层进行进一步的包裹,可对其起到良好的保护作用；此外在外壳体中设置传动室,将传动部分单独隔绝开来,可有效隔绝外部水汽的侵蚀,提高使用寿命。(The invention discloses a high-sealing self-priming pump, which comprises a driving motor and a pump body, wherein the pump body is provided with a sealing shell and a power input shaft extending out of the sealing shell, the outer side of the sealing shell is covered with an outer shell, the inner side of the outer shell is divided into a transmission chamber and a placing chamber by a partition plate, the pump body is positioned in the placing chamber, an inlet and an outlet of the pump body are communicated with a pipeline, the pipeline extends out of the outer side of the outer shell, a gap is reserved between the outer side of the pump body and the outer shell, a glue filling layer is filled in the gap, the glue filling layer can effectively fill a gap on the outer wall surface of the pump body and is isolated from the outside, a rusted part is prevented from being generated, the whole sealing performance of the pump body is greatly improved, and meanwhile, the glue filling layer is further wrapped by the outer shell, so that a good protection effect can be achieved; in addition, a transmission chamber is arranged in the outer shell, so that the transmission part is isolated independently, the erosion of external water vapor can be effectively isolated, and the service life is prolonged.)

1. The utility model provides a high sealed self priming pump, includes driving motor (100) and the pump body, this pump body has a seal housing (201) and stretches out power input shaft (202) to the seal housing (201) outside, its characterized in that: the outer side of the sealed shell (201) is covered with an outer shell (300), the outer shell (300) is internally divided into a transmission chamber (302) and a placing chamber (303) by a partition plate (301), the pump body is positioned in the placing chamber (303), an inlet and an outlet of the pump body are communicated with a pipeline, the pipeline extends out of the outer shell (300), a gap is reserved between the outer wall surface of the sealed shell (201) and the inner wall surface of the placing chamber (303), and the gap is filled with a glue filling layer (304);

and a power input shaft (202) of the pump body extends into the transmission chamber (302) and is in transmission connection with the driving motor (100).

2. The high seal self-primer pump of claim 1 wherein: install transmission fluted disc (321) and drive tooth (322) in transmission room (302), the circumference interval of transmission fluted disc (321) is concavely equipped with a plurality of separating groove (323), is provided with the driving tooth between adjacent separating groove (323), the driving tooth (322) meshes the transmission with the driving tooth of transmission fluted disc (321), the axle side coaxial coupling of drive tooth (322) has push rod (324), and this push rod (324) epirelief is equipped with and separates groove (323) circular shaft (325) of counterpointing the complex, drive tooth (322) are connected with driving motor (100) transmission, transmission fluted disc (321) are connected with power input shaft (202) transmission.

3. The high seal self-primer pump of claim 2 wherein: the bottom surface of the separation groove (323) is an arc-shaped surface.

4. The high seal self-primer pump of claim 1 wherein: the transmission chamber (302) is internally provided with a gland (221) sleeved on the outer side of the power input shaft (202), one side of the gland (221) is fixedly connected to the side wall of the transmission chamber (302), an embedding groove is formed in the gland (221), and sealing filler is filled between the embedding groove and the outer side wall of the power input shaft (202).

5. The high seal self-primer pump of claim 4 wherein: and a filling groove (222) which is matched with the embedded groove in an alignment way is formed in the power input shaft (202) corresponding to the lower part of the embedded groove, and the bottom surface of the filling groove (222) is a slope surface.

6. The high seal self-primer pump of claim 4 wherein: the power input shaft (202) is further convexly provided with a circle of convex ring (223), the convex ring (223) is located in the gland (221) and is close to the filling groove (222), the other side of the gland (221) is provided with a clamping groove (224), and sealing filler is filled between the clamping groove (224) and the inner wall surface of the gland (221).

Technical Field

The invention relates to the field of self-sucking pumps, in particular to a high-sealing self-sucking pump.

Background

The self-priming pump belongs to a self-priming centrifugal pump and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, stronger self-priming capability and the like. The pipeline does not need to be provided with a bottom valve, and only quantitative liquid guiding is required to be ensured to be stored in the pump body before work. Different liquids can adopt self-priming pumps made of different materials.

At present, the conventional self-sucking pump is found in the long-term use process, the outer shell is always exposed to the humid environment to generate corrosion, the serious corrosion of the shell often causes the reduction of the sealing performance of the shell, the working efficiency of the shell is influenced, and the service life of the shell is shortened.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the problems, the invention discloses a high-seal self-priming pump.

In order to achieve the above purpose, the invention provides the following technical scheme: a high-sealing self-priming pump comprises a driving motor and a pump body, wherein the pump body is provided with a sealing shell and a power input shaft extending out of the sealing shell, the outer side of the sealing shell is covered with an outer shell, the inner side of the outer shell is divided into a transmission chamber and a placing chamber by a partition plate, the pump body is positioned in the placing chamber, an inlet and an outlet of the pump body are communicated with a pipeline, the pipeline extends out of the outer side of the outer shell, a gap is reserved between the outer wall surface of the sealing shell and the inner wall surface of the placing chamber, and a glue filling layer is filled in the gap;

and a power input shaft of the pump body extends into the transmission chamber and is in transmission connection with the driving motor.

In the scheme, a transmission fluted disc and a driving tooth are installed in the transmission chamber, a plurality of separation grooves are concavely arranged at intervals in the circumferential direction of the transmission fluted disc, transmission teeth are arranged between adjacent separation grooves, the driving tooth is in meshed transmission with the transmission teeth of the transmission fluted disc, a push rod is coaxially connected to the shaft side of the driving tooth, a circular shaft which is in alignment fit with the separation grooves is arranged on the push rod in a protruding mode, the driving tooth is in transmission connection with a driving motor, and the transmission fluted disc is in transmission connection with a power input shaft.

In the above scheme, the bottom surface of the separation groove is an arc-shaped surface.

In the scheme, a set of gland arranged on the outer side of the power input shaft is arranged in the transmission chamber, one side of the gland is fixedly connected to the side wall of the transmission chamber, an embedding groove is formed in the gland, and sealing filler is filled between the embedding groove and the outer side wall of the power input shaft.

In the above scheme, a filling groove matched with the caulking groove in an alignment way is formed in the power input shaft corresponding to the lower part of the caulking groove, and the bottom surface of the filling groove is a slope surface.

In the above scheme, the power input shaft is further convexly provided with a circle of raised ring, the raised ring is positioned in the gland and is arranged close to the filling groove, the other side of the gland is provided with a clamping groove, and sealing filler is filled between the clamping groove and the inner wall surface of the gland.

The invention has the beneficial effects that: according to the high-sealing self-priming pump, the pump body is integrally arranged in the outer shell, a gap is reserved between the outer side of the pump body and the outer shell, the gap is filled with the glue filling layer, the glue filling layer can effectively fill the gap on the outer wall surface of the pump body and isolate the gap from the outside, the generation of a rusted part is avoided, the integral sealing performance of the pump body is greatly improved, and meanwhile, the glue filling layer is further wrapped by the outer shell, so that a good protection effect can be achieved; in addition, a transmission chamber is arranged in the outer shell, so that the transmission part is isolated independently, the erosion of external water vapor can be effectively isolated, and the service life is prolonged.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the engagement of the driving cog with the driving teeth.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.

Example (b): referring to fig. 1-3, a high-sealing self-priming pump comprises a driving motor 100 and a pump body, wherein the pump body is provided with a sealing shell 201 and a power input shaft 202 extending out of the sealing shell 201, an impeller is installed inside the sealing shell 201 and is consistent with the existing structure, the impeller is in key connection with the power input shaft 202, an outer shell 300 is covered outside the sealing shell 201, the outer shell 300 is divided into a transmission chamber 302 and a placing chamber 303 by a partition plate 301, the pump body is located in the placing chamber 303, an inlet and an outlet of the pump body are both communicated with a pipeline, and the pipeline extends out of the outer shell 300 to serve as a water inlet pipe and a water outlet pipe;

a gap is reserved between the outer wall surface of the sealed shell 201 and the inner wall surface of the placing chamber 303, and the gap is filled with a glue filling layer 304; the potting adhesive layer 304 can be silica gel or silicone adhesive;

the power input shaft 202 of the pump body extends into the transmission chamber 302 and is in transmission connection with the driving motor 100.

A gap is reserved between the outer side of the pump body and the outer shell 300, the glue filling layer 304 is filled in the gap, the glue filling layer 304 can effectively fill the gap on the outer wall surface of the pump body and isolate the gap from the outside, the generation of corrosion is avoided, the whole sealing performance of the pump body is greatly improved, and meanwhile, the glue filling layer 304 is further wrapped by the outer shell 300, so that a good protection effect can be achieved; in addition, the transmission chamber 302 is arranged in the outer shell 300 to isolate the transmission part independently, so that the erosion of external water vapor can be effectively isolated, and the service life is prolonged.

In the field of garden irrigation, irrigation water outlet usually needs to change the water flow size in a clearance manner, a common water pump does not have the function, water is sprayed by mainly depending on an additional clearance spray head during water drainage, the use cost is relatively high, a transmission gear disc 321 and a driving gear 322 are installed in a transmission chamber 302, a plurality of separation grooves 323 are concavely arranged at intervals in the circumferential direction of the transmission gear disc 321, transmission gears are arranged between adjacent separation grooves 323, the driving gear 322 is in meshing transmission with the transmission gears of the transmission gear disc 321, a push rod 324 is coaxially connected to the shaft side of the driving gear 322, a round shaft 325 in contraposition matching with the separation grooves 323 is convexly arranged on the push rod 324, the driving gear 322 is in transmission connection with a driving motor 100, the transmission gear disc 321 is in transmission connection with a power input shaft 202, because of the plurality of separation grooves 323, clearance transmission can be formed when the driving gear 322 is in meshing transmission with the transmission gears of the transmission gear disc 321, and further the clearance type water flow size is changed, when the driving teeth 322 are not in contact with the driving toothed disc 321, the round shaft 325 of the push rod 324 is rotatably clamped in the separating groove 323, so that the driving teeth on the next driving toothed disc 321 are meshed with the driving teeth 322.

The bottom surface of the separating groove 323 is an arc-shaped surface, which is beneficial to matching with the round shaft 325.

The transmission chamber 302 is internally provided with a set of gland 221 arranged on the outer side of the power input shaft 202, one side of the gland 221 is fixedly connected to the side wall of the transmission chamber 302, an embedding groove is formed in the gland 221, and a sealing filler is filled between the embedding groove and the outer side wall of the power input shaft 202, so that a good sealing effect can be achieved, and the sealing filler can be a packing filler.

A filling groove 222 aligned with the caulking groove is formed below the power input shaft 202 corresponding to the caulking groove, and the bottom surface of the filling groove 222 is a slope surface, so that better limiting is facilitated to the sealing filler.

The power input shaft 202 is further convexly provided with a circle of raised rings 223, the raised rings 223 are positioned in the gland 221 and are arranged close to the filling grooves 222, the other side of the gland 221 is provided with clamping grooves 224, sealing packing is filled between the clamping grooves 224 and the inner wall surface of the gland 221, the raised rings 223 separate the two sides of the power input shaft 202, and sealing structures similar to a labyrinth are formed on the two sides, so that the whole sealing performance is improved.

It should be noted that the above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and it is obvious to those skilled in the art that several modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations fall within the protection scope of the claims of the present invention.