CN210859158U - A fire pump body - Google Patents

Abstract

The utility model discloses a pump body of a fire pump, comprising a pump body, wherein a first through hole and a second through hole are arranged inside the pump body, and the first through hole is arranged on the right side of the second through hole, so The left side of the first through hole is provided with a through first threaded hole, the second through hole is provided with a first water through hole and a second water through hole through the pump body, and the first through hole is provided with a second through hole. Three water holes, fourth water holes, and fourth water holes. The third water hole, the fourth water hole, and the second water hole are arranged on the same side of the pump body, and the right side of the pump body A connecting plate is fixedly arranged, a mounting plate is fixedly arranged at the lower end of the pump body, and a raised boss is also arranged on the pump body. The first through hole and the second through hole are arranged concentrically and coaxially. By making the first water passage hole and the second water passage hole perpendicular to each other. The third water passage hole is arranged on the left side of the fourth water passage hole, and the fourth water passage hole is arranged on the same side. Simplifying and rationally arranging the positions of each hole from the structure can increase the compactness of the structure.

Description

A fire pump body

technical field

The invention relates to the technical field of fire pumps, in particular to a fire pump body.

Background technique

As the name implies, fire pumps are used in fire protection. Fire pumps are imported products. They are divided into different types according to different classification methods. They are fully sealed, leak-free and corrosion-resistant. They are widely used in environmental protection, water treatment, fire protection, etc. It is used to pump all kinds of liquids, and it is an ideal pump and fire protection system for creating non-leakage, non-polluting civilized workshops and civilized factories. The pump types are similar, but the head and flow are different. The selection basis of the fire pump should be considered according to the process flow, water supply and drainage requirements, and other five aspects. The performance and technical conditions of the fire pump meet the requirements of the "Fire Pump Performance and Test Methods" standard.

The pump body of the fire pump in the prior art is complicated in structure, large in volume, and troublesome to process.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fire pump body, which solves the problems of complex structure, large volume and troublesome processing of the fire pump body in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a fire pump pump body, including a pump body, wherein a first through hole and a second through hole are arranged inside the pump body, and the first through hole is arranged on the first through hole. On the right side of the two through holes, the left side of the first through hole is provided with a through first threaded hole, and the second through hole is provided with a first water through hole and a second water through hole through the pump body. A through hole is provided with a third water passage hole, a fourth water passage hole and a fourth water passage hole, and the third water passage hole, the fourth water passage hole and the second water passage hole are arranged on the same side of the pump body , the fourth water hole is arranged on the opposite side of the third water hole, the right side of the pump body is fixedly provided with a connecting plate, the lower end of the pump body is fixedly provided with a mounting plate, and the pump body is also provided with a convex raised boss.

Preferably, the first through hole and the second through hole are arranged concentrically and coaxially.

Preferably, the first water passage hole and the second water passage hole are perpendicular to each other.

Preferably, the fourth water passage hole is arranged on the left side of the third water passage hole, the third water passage hole is arranged on the left side of the fourth water passage hole, and the boss and the fourth water passage hole are on the same side set up.

Preferably, the connecting plate is circular, and the periphery of the connecting plate is provided with a V-shaped groove;

Preferably, two sides of the mounting plate are provided with mounting grooves.

A process for processing a pump body of a fire pump, comprising the following steps:

Step 1: Use RuT300 iron powder to cast the blank of the pump body through a special mold;

Step 2: Use a file to clean the sloping tip produced by the casting of the pump body, and blunt the sharp corners;

Step 3: The blank of the pump body is cooled to normal temperature by water cooling, and then the blank of the pump body is placed in a special sandblasting machine to blast the surface, and then the spray gun of the sandblasting machine is penetrated into the first part of the pump body. The rough hole of the through hole is sandblasted; after the sandblasting is completed, the sand inside the rough body of the pump body is blown clean with an air gun;

Step 4: Clamp the A and B sides of the pump body with a bench vise, and use a milling machine to process the C side, and the roughness after processing is 6.3;

Step 5: Use a vise to clamp the A and B surfaces of the pump body, and use a milling machine to process the D surface, and the roughness after processing is 6.3;

Step 6: Use a vise to clamp the C and D surfaces of the pump body, and use a milling machine to process the A surface, and the roughness after processing is 6.3;

Step 7: Use a vise to clamp the C and D surfaces of the pump body, and use a milling machine to process the B surface, and the roughness after processing is 6.3;

Step 8: Use a special drill die to clamp, and use a bench drill to process the threaded bottom holes and holes everywhere;

Step 9: Roughly grind the A and B surfaces with a grinder, and the roughness after processing is 1.6;

Step 10: Use the A surface and two installation grooves as positioning, and use lathe processing to process the connecting plate and V-shaped groove;

Step 11: Use the A surface and the two installation grooves as the positioning, the right end of the pump body is facing up, use the vertical machining center to process the first through hole and the second through hole, and use the reamer to process, the roughness after processing is 1.6;

Step 12: Cleaning, rust prevention, packaging and storage.

Compared with the prior art, the beneficial effects of the present invention are as follows: by arranging a first through hole and a second through hole inside the pump body, the first through hole is arranged on the right side of the second through hole, and the first through hole is arranged on the left side There is a through first threaded hole, the second through hole is provided with a first water through hole and a second water through hole through the pump body, and the first through hole is provided with a third water through hole, a fourth water through hole, The fourth water passage hole, the third water passage hole, the fourth water passage hole and the second water passage hole are arranged on the same side of the pump body, and the fourth water passage hole is arranged on the opposite side of the third water passage hole, on the right side of the pump body A connecting plate is fixedly arranged, and a mounting plate is fixedly arranged at the lower end of the pump body, which makes the structure of the pump body simple.

By making the first water passage hole and the second water passage hole perpendicular to each other. The fourth water passage hole is arranged on the left side of the third water passage hole, the third water passage hole is arranged on the left side of the fourth water passage hole, and the fourth water passage hole is arranged on the same side. Simplifying and rationally arranging the positions of each hole from the structure can increase the compactness of the structure.

The connecting plate is circular, and the periphery of the connecting plate is provided with a V-shaped groove. When installation is required, threaded holes are drilled on the connection plate according to external requirements for installation. V-groove for positioning.

The pump body of the invention has a simple structure and a simple processing process, and can meet the requirements of mass production.

Description of drawings

Fig. 1 is a sectional structural view of a fire pump body of the present invention;

Figure 2 is a right side structural view of a fire pump body of the present invention;

Figure 3 is a top view of the structure of a fire pump body of the present invention;

FIG. 4 is a front structural view of a pump body of a fire pump according to the present invention;

FIG. 5 is a three-dimensional structural view of a pump body of a fire pump according to the present invention.

In the figure: pump body 1, connecting plate 2, mounting plate 3, second water passage 4, third water passage 5, fourth water passage 6, water passage 7, first water passage 8, first water passage Through hole 9 , second through hole 10 , first threaded hole 11 , installation groove 12 , boss 13 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-5, a fire pump body, including a pump body 1, the pump body 1 is provided with a first through hole 9 and a second through hole 10 inside, and the first through hole 9 is disposed in the first through hole 9. The right side of the two through holes 10 and the left side of the first through hole 9 are provided with a through first threaded hole 11 , and the second through hole 10 is provided with a first water through hole 8 and a second through hole through the pump body 1 . Water hole 4, the first through hole 9 is provided with a third water hole 5, a fourth water hole 6, a fourth water hole 7, the third water hole 5, the fourth water hole 7 , the second water hole 4 is arranged on the same side of the pump body 1, the fourth water hole 6 is arranged on the opposite side of the third water hole 5, the right side of the pump body 1 is fixedly provided with a connecting plate 2, so The lower end of the pump body 1 is fixedly provided with a mounting plate 3 , and the pump body 1 is also provided with a raised boss 13 .

Further, the first through holes 9 and the second through holes 10 are arranged concentrically and coaxially.

Further, the first water passage hole 8 and the second water passage hole 4 are perpendicular to each other.

Further, the fourth water passage hole 6 is arranged on the left side of the third water passage hole 5, the third water passage hole 5 is arranged on the left side of the fourth water passage hole 7, the boss 13, the fourth water passage hole 5 The water holes 6 are arranged on the same side.

Further, the connecting plate 2 is circular, and the periphery of the connecting plate 2 is provided with a V-shaped groove;

Further, two sides of the mounting plate 3 are provided with mounting grooves 12 .

A process for processing a pump body of a fire pump, comprising the following steps:

Step 1: Use RuT300 iron powder to cast the blank of the pump body 1 through a special mold;

Step 2: Use a file to clean the sloping tip produced by casting the blank of the pump body 1, and blunt the sharp corners;

Step 3: The blank of the pump body 1 is cooled to room temperature by water cooling, and then the blank of the pump body 1 is placed in a special sandblasting machine to blast the surface, and then the spray gun of the sandblasting machine is deep into the pump body 1. The rough hole of the first through hole 9 of the pump body is sandblasted; after the sandblasting is completed, the sand inside the rough body of the pump body 1 is blown clean with an air gun;

Step 4: Clamp the A and B surfaces of the pump body 1 with a bench vise, and use a milling machine to process the C surface, and the roughness after processing is 6.3;

Step 5: Use a bench vise to clamp the A and B surfaces of the pump body 1, and use a milling machine to process the D surface, and the roughness after processing is 6.3;

Step 6: Clamp the C and D surfaces of the pump body 1 with a bench vise, and use a milling machine to process the A surface, and the roughness after processing is 6.3;

Step 7: Clamp the C and D surfaces of the pump body 1 with a bench vise, and use a milling machine to process the B surface, and the roughness after processing is 6.3;

Step 8: Use a special drill die to clamp, and use a bench drill to process the threaded bottom holes and holes everywhere;

Step 9: Roughly grind the A and B surfaces with a grinder, and the roughness after processing is 1.6;

Step 10: Use the A surface and the two installation grooves 12 as positioning, and use lathe processing to process the connecting plate 2 and the V-shaped groove;

Step 11: Use the A surface and the two installation grooves 12 as the positioning, the right end of the pump body 1 is facing up, and the first through hole 9 and the second through hole 10 are machined with a vertical machining center, and processed with a reamer. The roughness after machining is 1.6;

Step 12: Cleaning, rust prevention, packaging and storage.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

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

Claims (1)

1. A fire pump body, comprising a pump body (1), characterized in that a first through hole (9) and a second through hole (10) are provided inside the pump body (1), and the first through hole (10) is provided inside the pump body (1). A through hole (9) is arranged on the right side of the second through hole (10), a first threaded hole (11) is arranged on the left side of the first through hole (9), and the second through hole (10) A first water passage hole (8) and a second water passage hole (4) are provided through the pump body (1). The water passage hole (6), the water passage hole (7), the third water passage hole (5), the water passage hole (7) and the second water passage hole (4) are arranged on the same side of the pump body (1). , the fourth water hole (6) is arranged on the opposite side of the third water hole (5), the right side of the pump body (1) is fixedly provided with a connecting plate (2), and the lower end of the pump body (1) A mounting plate (3) is fixedly arranged, and a raised boss (13) is also arranged on the pump body (1); The first through hole (9) and the second through hole (10) are arranged concentrically and coaxially; The first water passage hole (8) and the second water passage hole (4) are perpendicular to each other.

Images