Water pump model

Abstract

The utility model discloses a water pump model, which comprises a cylinder body, a fixed seat, a water pressing piston, a water pressing handle arm, a water pressing rotating shaft, a water pressing rotating shaft bracket and a connecting rod, a liquid storage space is arranged in the fixed seat; the cylinder body is arranged on one side of the fixed seat and is communicated with the liquid storage space; one end, close to the liquid storage space, of the cylinder body extends into the liquid storage space; the water pressing piston is arranged in the cylinder body; the water pressing handle arm is arranged outside the cylinder body; the water pressing handle is connected with the water pressing piston through the connecting rod; the water pressing rotating shaft support is arranged on the side, provided with the cylinder body, of the fixing base. And the water pressing rotating shaft bracket is connected with the water pressing handle arm through the water pressing rotating shaft. The water pressing rotating shaft support is arranged, the pressure borne by the fixing base in the water pumping process is reduced, the fixing base is prevented from cracking, and the service life of the fixing base is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of teaching tools, in particular to a water pump model. Background Art

[0002] The piston pump model is a teaching tool that uses the principle of atmospheric pressure to simulate the process of pumping water. This model usually consists of a cylinder, a piston that can move up and down, and a base. When the user pulls the piston upward, the volume of air inside the cylinder increases, causing the internal pressure to decrease. At this time, the external atmospheric pressure will press the water into the cylinder from the bottom. Conversely, when the user pushes the piston downward, the volume of air inside the cylinder decreases, the pressure increases, and the water will be pushed out of the cylinder, thus achieving the effect of pumping water. However, in existing technologies, when pumping water with common piston pump models, users need to press down hard. This force may cause excessive pressure on the base, causing the base material to crack.

[0003] Therefore, in the face of how to solve the problem that the base of the piston pump model is easily cracked by pressing down hard when pumping water, it is urgent to provide a solution. Utility Model Content

[0004] The purpose of the utility model is to provide a water pump model to solve the problem that the base of the piston-type water pump model is easily cracked when pressing down hard during pumping.

[0005] In order to solve the above technical problems, the utility model provides a water pump model, including: a cylinder body, a fixed seat, a water pressure piston, a water pressure handle arm, a water pressure shaft, a water pressure shaft bracket and a connecting rod; a liquid storage space is provided in the fixed seat; the cylinder body is arranged on one side of the fixed seat and is connected to the liquid storage space; one end of the cylinder body close to the liquid storage space extends to the interior of the liquid storage space; the water pressure piston is arranged inside the cylinder body; the water pressure handle arm is arranged outside the cylinder body; the water pressure handle is connected to the water pressure piston through the connecting rod; the water pressure shaft bracket is arranged on the side of the fixed seat where the cylinder body is provided; the water pressure shaft bracket is connected to the water pressure handle arm through the water pressure shaft.

[0006] Furthermore, a water pressure piston cover is provided at one end of the cylinder body away from the fixing seat, and a small hole is opened on the surface of the water pressure piston cover for the connecting rod to pass through.

[0007] Furthermore, the inner diameter of the portion of the cylinder extending to the interior of the liquid storage space is smaller than that of other portions of the cylinder.

[0008] Furthermore, the fixed seat includes: a fixed seat upper layer and a fixed seat lower layer arranged opposite to each other and a fixed seat shell connecting the fixed seat upper layer and the fixed seat lower layer, the liquid storage space is arranged inside the fixed seat upper layer; the cylinder body and the water pressure shaft bracket are both arranged on the side of the fixed seat upper layer facing away from the fixed seat lower layer.

[0009] Furthermore, a non-slip pad is provided on the side of the lower layer of the fixing seat facing away from the upper layer of the fixing seat.

[0010] Furthermore, an opening is provided on the outer surface of the upper layer of the fixing seat on the side facing away from the lower layer of the fixing seat; and the opening is communicated with the liquid storage space.

[0011] Furthermore, a water outlet pipe is provided on the outer surface of the cylinder body; one end of the water outlet pipe is connected to the inside of the cylinder body, and the other end is aligned with the opening.

[0012] Furthermore, a water pressure handle is provided at one end of the water pressure handle arm away from the connecting rod.

[0013] Furthermore, the cylinder body is made of transparent acrylic material.

[0014] Furthermore, the water pressure shaft bracket is made of stainless steel.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] A water pressure shaft bracket is provided to reduce the pressure on the fixing seat during the water pumping process, prevent the fixing seat from cracking, and extend the service life of the fixing seat; not only that, the water pressure shaft connected to the water pressure shaft seat limits the movement of the water pressure handle arm, ensuring that during the water pumping process, the water pressure piston driven by the water pressure handle arm through the connecting rod can move in the cylinder body in a direction parallel to the central axis of the cylinder body, making the water pumping process easier and more labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional view of a water pump model in one embodiment of the present utility model;

[0018] Figure 2 This is a structural diagram of a water pump model in one embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the upper structure of the fixing base of the water pump model in one embodiment of the present utility model. DETAILED DESCRIPTION

[0020] The following is a more detailed description of the water pump model of the present invention with reference to a schematic diagram, which shows a preferred embodiment of the present invention. It should be understood that those skilled in the art can modify the present invention described herein while still achieving the beneficial effects of the present invention. Therefore, the following description should be understood as a general guide for those skilled in the art and not as a limitation of the present invention.

[0021] The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0022] like Figure 1 and Figure 2 As shown, an embodiment of the present utility model proposes a water pump model, comprising: a cylinder body 1, a fixed seat, a water pressure piston 2, a water pressure handle arm 3, a water pressure shaft 4, a water pressure shaft bracket 5 and a connecting rod 6; a liquid storage space 13 is provided in the fixed seat; the cylinder body 1 is arranged on one side of the fixed seat and is connected to the liquid storage space 13; the end of the cylinder body 1 close to the liquid storage space 13 extends to the inside of the liquid storage space 13; the water pressure piston 2 is arranged inside the cylinder body 1; the water pressure handle arm 3 is arranged outside the cylinder body 1; the water pressure handle is connected to the water pressure piston 2 through the connecting rod 6; the water pressure shaft bracket 5 is arranged on the side of the fixed seat where the cylinder body 1 is provided; the water pressure shaft bracket 5 is connected to the water pressure handle arm 3 through the water pressure shaft 4. In this embodiment, the water pressure handle arm 3 and the connecting rod 6, the water pressure shaft bracket 5 and the water pressure shaft 4, and the water pressure shaft 4 and the water pressure handle arm 3 are all connected by axle pins. Preferably, in this embodiment, the cylinder body 1 is made of transparent acrylic material to facilitate observation of the pumping effect.

[0023] In this embodiment, the inner diameter of the part of the cylinder body 1 extending to the liquid storage space 13 is smaller than the other parts of the cylinder body 1; water is added to the liquid storage space 13 until it covers one end of the cylinder body 1 extending to the liquid storage space 13, and the arm 3 drives the connecting rod 6 to lift the water pressure piston 2 by pressing the water. At this time, due to the atmospheric pressure, the water in the liquid storage space 13 will be drawn into the cylinder body 1.

[0024] Furthermore, the water pressure handle arm 3 needs to be repeatedly pressed down and lifted during use, and the water pressure shaft 4 supports the water pressure handle arm 3. When the water pressure handle arm 3 moves up and down, the water pressure shaft 4 will move back and forth accordingly, thereby ensuring that the water pressure handle arm 3 can drive the water pressure piston 2 to move up and down in a direction parallel to the central axis of the cylinder body 1 through the connecting rod 6, preventing the water pressure piston 2 from being stuck by the inner wall of the cylinder body 1 when moving in the cylinder body 1.

[0025] Moreover, the water pressure shaft support 5 reduces the pressure on the fixing seat by increasing the contact area with the fixing seat, making the fixing seat more durable. Preferably, in this embodiment, the water pressure shaft support 5 is made of stainless steel to increase its service life.

[0026] In this embodiment, a water-pressing piston cover 7 is provided at one end of the cylinder body 1 away from the fixing seat. A small hole is formed on the surface of the water-pressing piston cover 7 for the connecting rod 6 to pass through. The water-pressing piston cover 7 limits the water-pressing piston 2 and prevents the water-pressing piston 2 from falling out of the cylinder body 1 during the pumping process.

[0027] In this embodiment, please combine Figure 1 and Figure 3 The fixing base includes: an upper fixing base layer 8 and a lower fixing base layer 9 arranged opposite each other, and a fixing base housing 10 connecting the upper fixing base layer 8 and the lower fixing base layer 9; the liquid storage space 13 is disposed within the upper fixing base layer 8; the cylinder body 1 and the water pressure shaft bracket 5 are both disposed on the side of the upper fixing base layer 8 facing away from the lower fixing base layer 9. Preferably, in this embodiment, the upper fixing base layer 8 and the fixing base housing 10 are integrally molded from ABS plastic, and the lower fixing base layer 9 is formed from a bent 2.0 mm galvanized steel sheet.

[0028] Furthermore, a plurality of supporting members 81 are provided in the upper layer 8 of the fixing seat, so as to maintain good stability of the upper layer 8 of the fixing seat.

[0029] In this embodiment, a non-slip pad is provided on the side of the fixing seat lower layer 9 facing away from the fixing seat upper layer 8. The protective pad is used to increase the friction between the outer surface of the fixing seat lower layer 9 and its contact surface, thereby preventing the fixing seat lower layer 9 from shifting during the pumping process of the water pump model.

[0030] In this embodiment, an opening is provided on the outer surface of the fixing base upper layer 8 on the side facing away from the fixing base lower layer 9; the opening is connected to the liquid storage space 13. A water outlet pipe 11 is provided on the outer surface of the cylinder body 1; one end of the water outlet pipe 11 connects to the interior of the cylinder body 1, and the other end is aligned with the opening. Water drawn into the cylinder body 1 from the liquid storage space 13 is discharged through the water outlet pipe 11 and then re-enters the liquid storage space 13 through the opening, thus achieving water circulation.

[0031] In this embodiment, a water pressure handle 12 is provided at one end of the water pressure handle arm 3 away from the connecting rod 6. Preferably, the water pressure handle 12 in this embodiment is made of wood material to ensure the durability of the water pressure handle 12.

[0032] Compared with the prior art, the present invention has at least the following beneficial effects:

[0033] A water pressure shaft bracket is provided to reduce the pressure on the fixing seat during the water pumping process, prevent the fixing seat from cracking, and extend the service life of the fixing seat; not only that, the water pressure shaft connected to the water pressure shaft seat limits the movement of the water pressure handle arm, ensuring that during the water pumping process, the water pressure piston driven by the water pressure handle arm through the connecting rod can move in the cylinder body in a direction parallel to the central axis of the cylinder body, making the water pumping process easier and more labor-saving.

[0034] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A water pump model, characterized in that: include: Cylinder body, fixing seat, water pressure piston, water pressure handle arm, water pressure shaft, water pressure shaft bracket and connecting rod; A liquid storage space is provided in the fixing seat; the cylinder body is arranged on one side of the fixing seat and is connected to the liquid storage space; one end of the cylinder body close to the liquid storage space extends to the interior of the liquid storage space; the water pressure piston is arranged inside the cylinder body; the water pressure handle arm is arranged outside the cylinder body; the water pressure handle and the water pressure piston are connected through the connecting rod; the water pressure shaft bracket is arranged on the side of the fixing seat where the cylinder body is provided; the water pressure shaft bracket and the water pressure handle arm are connected through the water pressure shaft.

2. The water pump model according to claim 1, characterized in that: A water pressure piston cover is provided at one end of the cylinder body away from the fixing seat, and a small hole is opened on the surface of the water pressure piston cover for the connecting rod to pass through.

3. The water pump model according to claim 1, characterized in that: The inner diameter of the portion of the cylinder extending to the interior of the liquid storage space is smaller than that of other portions of the cylinder.

4. The water pump model according to claim 1, characterized in that: The fixing seat includes: a fixing seat upper layer and a fixing seat lower layer arranged opposite to each other and a fixing seat shell connecting the fixing seat upper layer and the fixing seat lower layer; the liquid storage space is arranged inside the fixing seat upper layer; the cylinder body and the water pressure shaft bracket are both arranged on the side of the fixing seat upper layer facing away from the fixing seat lower layer.

5. The water pump model according to claim 4, characterized in that: An anti-slip pad is provided on the side of the lower layer of the fixing seat facing away from the upper layer of the fixing seat.

6. The water pump model according to claim 4, characterized in that: An opening is provided on the outer surface of the upper layer of the fixing seat on the side facing away from the lower layer of the fixing seat; and the opening is communicated with the liquid storage space.

7. The water pump model according to claim 6, characterized in that: A water outlet pipe is provided on the outer surface of the cylinder body; one end of the water outlet pipe is connected to the inside of the cylinder body, and the other end is aligned with the opening.

8. The water pump model according to claim 1, characterized in that: A water pressing handle is provided on one end of the water pressing handle arm away from the connecting rod.

9. The water pump model according to claim 1, characterized in that: The cylinder body is made of transparent acrylic material.

10. The water pump model according to claim 1, characterized in that: The water pressure shaft bracket is made of stainless steel.

Images