High-strength gear pump

Abstract

The utility model discloses a high-strength gear pump which comprises a pump body, a driving assembly used for power output is fixedly connected in the pump body, the output end of the driving assembly is fixedly connected with a first driving rod, the outer portion of the first driving rod is fixedly connected with a first gear, and the outer portion of the first gear is rotationally connected with a second gear. And a second driving rod is fixedly connected to the interior of the second gear, a plurality of third gears are fixedly connected to the exterior of the second driving rod, fourth gears are rotationally connected to the exteriors of the third gears, and feeding pipes are fixedly connected to the interiors of the fourth gears. Through the structure, the third gear drives the fourth gear to rotate, and the fourth gear is connected with the feeding pipe and the main gear to rotate, so that uniform flow and stable outlet pressure can be provided under the movement of the multiple gears, which is very important for occasions needing stable flow and pressure output, and friction force is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear pump technical field, especially a kind of high-strength gear pump. BACKGROUND

[0002] High-strength gear pump is a positive displacement pump, it transports fluid by the meshing of gear. Compared with ordinary gear pump, its key components (such as gear, pump body, shaft, etc.) are made of high-strength material, and optimization is carried out on design and manufacturing process, so that it can withstand higher pressure, greater torque and more severe working environment, so as to ensure that pump runs stably and reliably under high pressure, high speed and other working conditions.

[0003] But in prior art, part of device only adopts two gears, it can lead to relatively large flow pulsation. This is because in the process of gear meshing, with the rotation of gear, the volume between each tooth is periodically changed in the process of oil suction and oil pressing. When a pair of gears operates, the volume of suction chamber and oil pressing chamber changes is not continuous and smooth when a tooth enters and leaves the meshing. SUMMARY

[0004] The utility model discloses a high-strength gear pump, which can provide uniform flow and stable outlet pressure under the movement of multiple gears, which is very important for occasions requiring stable flow and pressure output, and can reduce friction, so that the mechanism inside the pump body can be maintained and replaced.

[0005] In order to achieve the above-mentioned purpose, a high-strength gear pump is provided, comprising a pump body, a driving assembly for power output is fixedly connected inside the pump body, a first driving rod is fixedly connected to the output end of the driving assembly, a first gear is fixedly connected to the outside of the first driving rod, a second gear is rotatably connected to the outside of the first gear, a second driving rod is fixedly connected to the inside of the second gear, a plurality of third gears are fixedly connected to the outside of the second driving rod, a fourth gear is rotatably connected to the outside of the third gear, a feed pipe is fixedly connected to the inside of the fourth gear, and a main gear is fixedly connected to the outside of the feed pipe.

[0006] According to the high-strength gear pump, the driving assembly comprises a motor, and the output end of the motor is fixedly connected to the outside of the first driving rod.

[0007] According to the high-strength gear pump, a pump cover is detachably connected to the outside of the pump body, and a discharge port is fixedly connected to the top of the pump body.

[0008] According to the high-strength gear pump, a plurality of pressing shells are fixedly connected to the inside of the pump cover, and two limiting blocks are fixedly connected to the two ends of the pressing shell.

[0009] According to the high-strength gear pump, the first spring is slidably connected to the inside of the pressing shell, and the pushing block is fixedly connected to the outside of the first spring.

[0010] According to the high-strength gear pump, the rubber block is fixedly connected to the outside of the pushing block, the second spring is slidably connected to the outside of the rubber block, and the thimble is slidably connected to the outside of the second spring.

[0011] According to the high-strength gear pump, the shell is slidably connected to the inside of the second spring, and the plurality of balls are slidably connected to the inside of the shell.

[0012] According to the high-strength gear pump, the plurality of support columns are fixedly connected to the inside of the shell, the third spring is sleeved on the outside of the support column, and the plurality of connecting blocks are fixedly connected to the outside of the shell. Beneficial effects

[0013] 1. The inside of the pump body is connected with the driving rod to drive the first gear to rotate under the driving of the motor, the first gear drives the second gear to rotate, the second gear is connected with the second driving rod and drives the plurality of third gears connected with the second driving rod to rotate, the third gears drive the fourth gears to rotate, and the fourth gears are connected with the feed pipe and the main gear to rotate, so that uniform flow and stable outlet pressure can be provided under the movement of the plurality of gears, which is very important for occasions requiring stable flow and pressure output, and reduces friction.

[0014] 2. The pump cover outside the pump body has a quick release mechanism, the pressing shell can be squeezed to compress the first spring, the pushing block fixedly connected to the outside of the first spring drives the rubber block to touch the rubber block inside the shell, the limiting block outside the pressing shell is separated from the balls inside the shell, and then the mechanism inside the pressing shell is disassembled, so that the mechanism inside the pump body can be maintained and replaced.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 A perspective view of a high-strength gear pump is proposed for the present application;

[0018] Figure 2 A structure schematic view of a feed pipe of an environment-friendly type spare part spraying house is proposed for the present application;

[0019] Figure 3 A structure diagram of a ball of the environment-friendly part spraying room is provided in the utility model.

[0020] Figure 4 A structure diagram of a connecting block of the environment-friendly part spraying room is provided in the utility model.

[0021] Legend:

[0022] 1, pump body; 2, discharge port; 3, pump cover; 4, shell; 5, motor; 6, first drive rod; 7, first gear; 8, second gear; 9, second drive rod; 10, third gear; 11, fourth gear; 12, feed pipe; 13, main gear; 14, pressing shell; 15, limiting block; 16, first spring; 17, pushing block; 18, rubber round block; 19, collar; 20, second spring; 21, shell; 22, ball; 23, support column; 24, third spring; 25, connecting block. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Reference Figures 1-4 , the utility model discloses a high-strength gear pump, it includes pump body 1, the inside fixed connection of pump body 1 is used for the drive assembly of power output, the output end of drive assembly is fixedly connected with first drive rod 6, can the power is transferred from one location to another location, the outside fixed connection of first drive rod 6 has first gear 7, the outside rotationally connected of first gear 7 has second gear 8, the inside fixed connection of second gear 8 has second drive rod 9, the outside fixed connection of second drive rod 9 has multiple third gear 10, the outside rotationally connected of third gear 10 has fourth gear 11, the inside fixed connection of fourth gear 11 has feed pipe 12, and material is smoothly sent into the equipment such as storage tank or reactor, and the outside fixed connection of feed pipe 12 has main gear 13.

[0025] Drive assembly includes motor 5, can convert electric energy into mechanical energy, and the output end of motor 5 is fixedly connected at the outside of first drive rod 6.

[0026] The outside of pump body 1 is detachably connected with pump cover 3, and the top of pump body 1 is fixedly connected with discharge port 2.

[0027] The pump cover 3 is internally fixedly connected with a plurality of pressing shells 14, so that the disassembly and assembly process is more convenient, both ends of the pressing shell 14 are fixedly connected with two limiting blocks 15, so as to ensure the accurate control of the position and posture of the mold.

[0028] The first spring 16 is slidably connected in the interior of the pressing shell 14, and the push block 17 is fixedly connected outside the first spring 16.

[0029] The push block 17 is fixedly connected with a rubber block 18 outside, which has the characteristics of small elastic modulus and fast elastic recovery, and can provide necessary elasticity and buffering effect in the quick release system. This characteristic helps to reduce the impact force that may be generated during quick release and installation, and protects the connecting parts from damage. The rubber block 18 is slidably connected with a second spring 20 outside, and the sleeve ring 19 is slidably connected with the second spring 20 outside.

[0030] The shell 21 is slidably connected in the interior of the second spring 20, and a plurality of balls 22 are slidably connected in the interior of the shell 21.

[0031] The bottom of the pump body 1 is fixedly connected with a shell 4, which protects the internal elements and prevents external environment from damaging the equipment, such as high temperature, dust, moisture and other harsh environments. A plurality of support columns 23 are fixedly connected in the interior of the shell 4, the support columns 23 are sleeved with a third spring 24 outside, and a plurality of connecting blocks 25 are fixedly connected outside the shell 4.

[0032] Working principle: install the pump body 1 on the external mechanism, and connect the feed pipe 12 with the discharge port 2 with the external mechanism. The first drive rod 6 is connected with the first gear 7 under the drive of the motor 5 in the pump body 1, the first gear 7 drives the second gear 8 to rotate, the second gear 8 connects the second drive 9 and drives the plurality of third gears 10 connected with the second drive 9 to rotate, the third gears 10 drive the fourth gears 11 to rotate, the fourth gears 11 connect the feed pipe 12 and the main gear 13 to rotate. Thus, under the movement of the plurality of gears, uniform flow and stable outlet pressure can be provided, which is very important for occasions that require stable flow and pressure output, and reduces friction.

[0033] There is a quick release mechanism in the pump cover 3 outside the pump body 1, which can extrude the pressing shell 14 to compress the first spring 16. The push block 17 fixedly connected outside the first spring 16 drives the rubber block 18 to touch the rubber block 18 inside the shell 1. The limiting block 15 outside the pressing shell 14 is separated from the ball 22 inside the shell 1, and the mechanism inside the pressing shell 14 is disassembled, so that the mechanism inside the pump body 1 can be maintained and replaced.

[0034] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A high-strength gear pump comprising a pump body (1), characterized in that: The inside of the pump body (1) is fixedly connected with a driving assembly for power output, the output end of the driving assembly is fixedly connected with a first driving rod (6), the outside of the first driving rod (6) is fixedly connected with a first gear (7), the outside of the first gear (7) is rotatably connected with a second gear (8), the inside of the second gear (8) is fixedly connected with a second driving rod (9), the outside of the second driving rod (9) is fixedly connected with a plurality of third gears (10), the outside of the third gear (10) is rotatably connected with a fourth gear (11), the inside of the fourth gear (11) is fixedly connected with a feeding pipe (12), and the outside of the feeding pipe (12) is fixedly connected with a main gear (13).

2. A high strength gear pump as claimed in claim 1, wherein, The driving assembly comprises a motor (5), and the output end of the motor (5) is fixedly connected to the outside of the first driving rod (6).

3. A high strength gear pump as claimed in claim 1, wherein, The outside of the pump body (1) is detachably connected with a pump cover (3), and the top of the pump body (1) is fixedly connected with a discharge port (2).

4. A high strength gear pump as claimed in claim 3, wherein, The inside of the pump cover (3) is fixedly connected with a plurality of pressing shells (14), and the two ends of the pressing shell (14) are fixedly connected with two limiting blocks (15).

5. A high strength gear pump as claimed in claim 4, wherein, The inside of the pressing shell (14) is slidably connected with a first spring (16), and the outside of the first spring (16) is fixedly connected with a pushing block (17).

6. A high strength gear pump as claimed in claim 5, wherein, The outside of the pushing block (17) is fixedly connected with a rubber round block (18), the outside of the rubber round block (18) is slidably connected with a second spring (20), and the outside of the second spring (20) is slidably connected with a sleeve ring (19).

7. A high strength gear pump as claimed in claim 6, wherein, The inside of the second spring (20) is slidably connected with a shell (21), and the inside of the shell (21) is slidably connected with a plurality of spherical bodies (22).

8. A high strength gear pump as claimed in claim 1, wherein, The bottom of the pump body (1) is fixedly connected with a shell (4), the inside of the shell (4) is fixedly connected with a plurality of supporting columns (23), the outside of the supporting column (23) is sleeved with a third spring (24), and the outside of the shell (4) is fixedly connected with a plurality of connecting blocks (25).

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