Stainless steel water pump

Abstract

The utility model provides a stainless steel water pump and belongs to the technical field of water pumps. The problem that in the prior art, a pump body and an impeller are prone to damage is solved. The utility model relates to a stainless steel impeller pump which comprises a front pump shell, a rear pump shell, a front pump body, a rear pump body, a stainless steel impeller, a pump shaft and a bearing box, the front pump body is fixedly connected with the rear pump body, and the front pump shell and the rear pump shell are respectively arranged on the outer sides of the front pump body and the rear pump body in a covering mode. A plurality of front-position connecting columns and rear-position connecting columns are formed on the front-position pump shell and the rear-position pump shell respectively, fastening bolts are fixed in the front-position connecting columns and the rear-position connecting columns, the stainless steel impeller is installed in the front-position pump body and the rear-position pump body and comprises an impeller shell and blades, the impeller shell is of an integrally-formed structure, and the blades are arranged in the impeller shell. The blades are fixedly installed in the impeller shell, and the pump shaft penetrates through the stainless steel impeller and the bearing box and is connected with the stainless steel impeller and the bearing box. The protective device has the advantages of being good in protective effect, stable in structure, not prone to damage and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water pump technical field relates to a stainless steel water pump. BACKGROUND

[0002] The stainless steel pump is a pump that is made of stainless steel material for pump body, impeller and other main components, and has excellent material properties and wide applicability, and plays an important role in many industries.

[0003] The utility model discloses a stainless steel vortex pump discloses a kind of pump body, the linkage device connected with pump body, linkage device includes linkage motor, impeller driven by linkage motor;Pump body is equipped with the water inlet seat for connecting water inlet pipe, the water outlet seat for connecting water outlet pipe, annular flow passage is equipped in pump body, inner through groove that section is ladder-shaped structure and is communicated with annular flow passage is equipped below pump body, inner through pipe is equipped with the inner through groove sliding connection on pump body, inner through pipe includes hollow sliding shaft and end cap, the outer circumferential surface of end cap is equipped with several water through hole being communicated with the internal cavity of sliding shaft, water through hole is communicated or cut off by the sliding of sliding shaft with annular flow passage.

[0004] According to the specification and the drawing of the specification attached to the patent, the stainless steel vortex pump provided by the patent does not set pump shell outside the pump body, and the impeller structure is relatively thin, which is prone to damage and other problems during use. UTILITY MODEL CONTENTS

[0005] The utility model discloses a stainless steel water pump to solve the above problems existing in the prior art.

[0006] The utility model discloses a stainless steel water pump, including front position pump shell, rear position pump shell, front position pump body, rear position pump body, stainless steel impeller, pump shaft and bearing box, front position pump body and rear position pump body fixed connection, the outer side of front position pump body and rear position pump body is covered respectively with front position pump shell and rear position pump shell, a plurality of front position connecting column and rear position connecting column are formed on front position pump shell and rear position pump shell respectively, the front position connecting column and rear position connecting column are fixed with fastening bolt, the stainless steel impeller is installed in the inside of front position pump body and rear position pump body, the stainless steel impeller includes impeller casing and blade, the impeller casing is integrally formed structure, the blade is fixedly installed in the inside of impeller casing, the pump shaft is respectively threaded through stainless steel impeller and bearing box and is connected with stainless steel impeller and bearing box.

[0007] In the above-mentioned stainless steel water pump, the rear position pump shell is fixedly installed with the packing box inside, and the pump shaft is threaded through the packing box.

[0008] In the above-mentioned stainless steel water pump, the front position pump shell is provided with a shock-absorbing ring inside.

[0009] In the above-mentioned stainless steel water pump, one end of the impeller shell is an open structure, and the other end of the impeller shell is a closed structure and is provided with a shaft hole.

[0010] In the above-mentioned stainless steel water pump, the inner end of the blade is a thick plate structure, and the outer end of the blade is a thin plate structure.

[0011] In the above-mentioned stainless steel water pump, the front end of the impeller shell is provided with a balance groove, and the rear end of the impeller shell is provided with a positioning groove.

[0012] Compared with the prior art, the stainless steel water pump has the following beneficial effects: 1. The structure of the integrated impeller shell, and the thick plate structure of the inner end of the blade and the thin plate structure of the outer end of the blade make the structure strength of the stainless steel impeller larger and the service life longer; 2. The front pump shell and the rear pump shell are arranged outside the front pump body and the rear pump body, which effectively protects the front pump body and the rear pump body and facilitates disassembly and assembly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 3 is a schematic diagram of the structure of the stainless steel impeller;

[0016] Figure 4 is a schematic diagram of the structure of the stainless steel impeller from another angle.

[0017] In the figure: 1, front pump shell; 11, front connecting column; 2, rear pump shell; 21, rear connecting column; 3, front pump body; 4, rear pump body; 5, stainless steel impeller; 51, impeller shell; 511, open structure; 512, closed structure; 513, shaft hole; 514, balance groove; 515, positioning groove; 52, blade; 521, thick plate structure; 522, thin plate structure; 6, pump shaft; 7, bearing box; 8, fastening bolt; 9, packing box; 10, shock absorbing ring. DETAILED DESCRIPTION

[0018] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0019] For example, Figures 1 to 4As shown, the embodiment includes a front pump shell 1, a rear pump shell 2, a front pump body 3, a rear pump body 4, a stainless steel impeller 5, a pump shaft 6 and a bearing box 7, the front pump body 3 and the rear pump body 4 are fixedly connected in horizontal symmetry, the front pump shell 1 and the rear pump shell 2 are respectively covered on the outside of the front pump body 3 and the rear pump body 4, a plurality of front connecting columns 11 and rear connecting columns 21 are respectively formed on the front pump shell 1 and the rear pump shell 2, fastening bolts 8 are fixed in the front connecting columns 11 and the rear connecting columns 21, the fastening bolts 8 fixedly connect the front pump shell 1 and the rear pump shell 2, a shock absorbing ring 10 is installed inside the front pump shell 1, the shock absorbing ring 10 plays an effective shock absorbing role between the front pump shell 1 and the front pump body 3, the pump shaft 6 penetrates through the bearing box 7 and extends into the inside of the front pump body 3 and the rear pump body 4, the stainless steel impeller 5 is installed in the inside of the front pump body 3 and the rear pump body 4, and the pump shaft 6 is connected with the stainless steel impeller 5.

[0020] As shown, Figures 2 to 4 The stainless steel impeller 5 includes an impeller shell 51 and blades 52, the impeller shell 51 is an integral structure, the front end of the impeller shell 51 is an open structure 511, the rear end of the impeller shell 51 is a closed structure 512 and is provided with a shaft hole 513 for connecting with the pump shaft 6, the blades 52 are fixedly installed in the inside of the impeller shell 51, the inner end of the blade 52 is a thick plate structure 521, in use, the center of the stainless steel impeller 5 bears a large stress, the thick plate structure 521 can increase the strength and rigidity of the blade 52, the outer end of the blade 52 is a thin plate structure 522, the thin plate structure 522 can make the speed distribution of the fluid more uniform when the fluid leaves the blade 52, reduce the wake loss, and make the fluid flow out of the stainless steel impeller 5 in a more ideal state.

[0021] Further details, as shown, Figures 3 to 4 The front end of the impeller shell 51 is provided with a balance groove 514, in the running process of the embodiment, the stainless steel impeller 5 will be subjected to an axial force, the balance groove 514 on the front end face of the impeller shell 51 can help balance these axial forces, and protect the stainless steel impeller 5, the rear end of the impeller shell 51 is provided with a positioning groove 515, in the installation process of the stainless steel impeller 5, the positioning groove 515 on the rear end face of the impeller shell 51 can play a positioning and fixing role, the positioning groove 515 can be matched with the structure in the inside of the rear pump body 4, to ensure that the stainless steel impeller 5 is installed accurately.

[0022] Further details, as shown, Figure 2 The inside of the rear pump shell 2 is fixedly installed with a stuffing box 9, the pump shaft 6 penetrates through the stuffing box 9 and then extends into the inside of the rear pump body 4 and the front pump body 3.

[0023] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0024] Although various terms are used herein more frequently, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. A stainless steel water pump comprising a front pump casing (1), a rear pump casing (2), a front pump body (3), a rear pump body (4), a stainless steel impeller (5), a pump shaft (6) and a bearing housing (7), characterized in that: The front pump body (3) and the rear pump body (4) are fixedly connected, the front pump shell (1) and the rear pump shell (2) are respectively covered on the outer sides of the front pump body (3) and the rear pump body (4), a plurality of front connecting columns (11) and rear connecting columns (21) are respectively formed on the front pump shell (1) and the rear pump shell (2), the front connecting columns (11) and the rear connecting columns (21) are fixedly provided with fastening bolts (8), the stainless steel impeller (5) is installed in the interiors of the front pump body (3) and the rear pump body (4), the stainless steel impeller (5) comprises an impeller shell (51) and blades (52), the impeller shell (51) is an integral molding structure, the blades (52) are fixedly installed in the interior of the impeller shell (51), and the pump shaft (6) penetrates through the stainless steel impeller (5) and the bearing box (7) and is connected with the stainless steel impeller (5) and the bearing box (7).

2. A stainless steel water pump according to claim 1, characterized in that: The rear pump shell (2) is internally fixedly provided with a stuffing box (9), and the pump shaft (6) penetrates through the stuffing box (9).

3. A stainless steel water pump as claimed in claim 1, wherein: The front pump shell (1) is internally provided with a damping ring (10).

4. A stainless steel water pump as claimed in claim 1, wherein: One end of the impeller shell (51) is an open structure (511), the other end of the impeller shell (51) is a closed structure (512) and is provided with a shaft hole (513).

5. A stainless steel water pump as claimed in claim 1, wherein: The inner end of the blade (52) is a thick sheet structure (521), and the outer end of the blade (52) is a thin sheet structure (522).

6. A stainless steel water pump as claimed in claim 1, wherein: The front end of the impeller shell (51) is provided with a balance groove (514), and the rear end of the impeller shell (51) is provided with a positioning groove (515). The front end of the impeller shell (51) is provided with a balance groove (514), and the rear end of the impeller shell (51) is provided with a positioning groove (515).

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