Air tightness detection tool for water pump

Abstract

The utility model discloses a water pump airtightness detection tool which comprises a base, the upper surface of the base is fixedly connected with a profiling block, a water pump is arranged above the profiling block, the upper end of the water pump is provided with a positioning assembly, one side of the water pump is provided with a bottom plate, the lower surface of the bottom plate is fixedly connected with the upper surface of the base, and the upper surface of the bottom plate is fixedly connected with an air box. The upper end of the gas tank is fixedly connected with a detection cylinder, the gas tank is communicated with the detection cylinder, the interior of the detection cylinder is slidably connected with a sealing plate, the upper surface of the sealing plate is fixedly connected with a U-shaped rod, one end of the U-shaped rod is fixedly connected with a pointer, the pointer is located on the outer side of the detection cylinder, the outer side surface of the detection cylinder is fixedly connected with scale marks, and the scale marks are aligned with the pointer. The side surface of the air box is fixedly connected with an air pipe, and one end of the air pipe sleeves one end of the water pump through a connector. The detection efficiency of the water pump is improved, the accurate value for detecting the air tightness of the water pump can be obtained, and the detection accuracy of the water pump is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pump air tightness detection, in particular to a water pump air tightness detection tool. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals. In order to ensure the stability and safety of the water pump during use, a series of performance tests are required before leaving the factory. These performance tests include but are not limited to the head / flow characteristic curve of the water pump and air tightness detection.

[0003] The water pump air tightness test will use the water pump air tightness test tool. During the test, the water pump is generally connected to the air tightness instrument, and then a certain amount of gas is flushed into the water pump, and then foam is sprayed on the water pump or the water pump is immersed in water for observation. However, this detection method is inconvenient, time-consuming and labor-intensive, which reduces the detection efficiency of the water pump. At the same time, the corresponding air tightness data cannot be specifically detected during the test, so it is not convenient for the staff to get the accurate air tightness performance of the water pump. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a water pump air tightness detection tool, which solves the problem that the traditional water pump air tightness detection tool is inconvenient to use and cannot accurately obtain the detection data of the water pump's air tightness, and improves the detection efficiency of the water pump. At the same time, it can obtain accurate numerical values ​​for detecting the air tightness of the water pump, thereby improving the detection accuracy of the water pump.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a water pump airtightness detection tooling, comprising a base, an upper surface of the base is fixedly connected with a profiling block, and a water pump is arranged above the profiling block, a positioning assembly is arranged at the upper end of the water pump, and a bottom plate is arranged on one side of the water pump, the lower surface of the bottom plate is fixedly connected to the upper surface of the base, and the upper surface of the bottom plate is fixedly connected with an air box, the upper end of the air box is fixedly connected with a detection cylinder, and the air box and the detection cylinder are communicated with each other, the interior of the detection cylinder is slidably connected with a sealing plate, and the upper surface of the sealing plate is fixedly connected with a U-shaped rod, one end of the U-shaped rod is fixedly connected with a pointer, and the pointer is located on the outside of the detection cylinder, the outer surface of the detection cylinder is fixedly connected with a scale line, and the scale line is aligned with the pointer, the side surface of the air box is fixedly connected with an air pipe, and one end of the air pipe is sleeved on one end of the water pump through a joint, and the side surface of the water pump is fixedly connected with an air inlet.

[0006] Preferably, a sealing ring is fixedly connected to the side surface of the sealing plate, and the sealing ring is tightly attached to the inner wall of the detection cylinder.

[0007] Preferably, the lower surface of the sealing plate is fixedly connected to a support rod, and the lower end of the support rod is fixedly connected to a circular plate, the side surface of the circular plate is symmetrically fixedly connected to a transverse plate, and a movable roller is installed at one end of the transverse plate, and the movable roller contacts the inner surface of the air box.

[0008] Preferably, a return spring is fixedly connected to the upper surface of the transverse plate, and the upper end of the return spring is fixedly connected to the inner wall of the air box.

[0009] Preferably, the positioning assembly includes a rotating cylinder, and the rotating cylinder is located outside the contour block, the lower end of the rotating cylinder is fixedly connected to a cushion block, and the upper end of the rotating cylinder is installed with a cylinder cantilever, and the lower surface of one end of the cylinder cantilever is fixedly connected to a pressure head.

[0010] Preferably, a manual valve is fixedly connected to the upper surface of one end of the base, and a handle is provided on one side of the manual valve, and the lower end of the handle is fixedly connected to the upper surface of the base.

[0011] The utility model provides a water pump air tightness detection tool. Compared with the prior art, it has the following beneficial effects:

[0012] 1. The sealing plate inside the detection tube on the upper surface of the air box, the U-shaped rod fixedly connected to the upper surface of the sealing plate, the pointer fixedly connected to one end of the U-shaped rod, and the scale line and the reset spring arranged on the outer surface of the detection tube cooperate with each other, so that the staff can obtain the data of the water pump air tightness detection when detecting the air tightness of the water pump, thereby improving the accuracy of the water pump air tightness detection, avoiding the need to detect the air tightness of the water pump by spraying foam or immersing the water pump, reducing the trouble of the staff, and improving the detection efficiency of the water pump.

[0013] 2. The support rod fixedly connected to the lower surface of the sealing plate and the circular plate fixedly connected to the lower end of the support rod cooperate with the horizontal plate and the movable roller on the side surface of the circular plate, thereby improving the stability of the sealing plate and preventing air leakage caused by the tilt of the sealing plate, thereby further improving the accuracy of the air tightness detection of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the gas box and the detection tube in the utility model;

[0017] Figure 4 for Figure 3 Schematic diagram of the internal structure.

[0018] In the figure: 1. base; 2. contour block; 3. cushion block; 4. water pump; 401. air inlet; 5. cylinder cantilever; 6. pressure head; 7. rotary cylinder; 8. handle; 9. manual valve; 10. bottom plate; 11. air box; 1101. joint; 1102. air pipe; 1103. round plate; 1104. horizontal plate; 1105. moving roller; 1106. reset spring; 1107. support rod; 12. detection cylinder; 1201. U-shaped rod; 1203. scale line; 1204. pointer; 1205. sealing plate; 1206. sealing ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a water pump airtight detection tool, comprising a base 1, a profiling block 2 is fixedly connected to the upper surface of the base 1, and a water pump 4 is arranged above the profiling block 2, a positioning assembly is arranged at the upper end of the water pump 4, and a bottom plate 10 is arranged on one side of the water pump 4, the lower surface of the bottom plate 10 is fixedly connected to the upper surface of the base 1, and an air box 11 is fixedly connected to the upper surface of the bottom plate 10, a detection cylinder 12 is fixedly connected to the upper end of the air box 11, and the air box 11 and the detection cylinder 12 are communicated with each other, and the interior of the detection cylinder 12 is slidably connected to a seal A sealing plate 1205 is provided, and a U-shaped rod 1201 is fixedly connected to the upper surface of the sealing plate 1205, a pointer 1204 is fixedly connected to one end of the U-shaped rod 1201, and the pointer 1204 is located on the outside of the detection cylinder 12, a scale line 1203 is fixedly connected to the outer surface of the detection cylinder 12, and the scale line 1203 is aligned with the pointer 1204, an air pipe 1102 is fixedly connected to the side surface of the air box 11, and one end of the air pipe 1102 is sleeved on one end of the water pump 4 through a joint 1101, and an air inlet 401 is fixedly connected to the side surface of the water pump 4.

[0021] As a technical optimization solution of the utility model, the side surface of the sealing plate 1205 is fixedly connected with a sealing ring 1206, and the sealing ring 1206 is tightly attached to the inner wall of the detection cylinder 12, which can improve the air tightness of the detection cylinder 12 and prevent the detection cylinder 12 from leaking and affecting the air tightness detection of the water pump 4.

[0022] As a technical optimization solution of the utility model, the lower surface of the sealing plate 1205 is fixedly connected to the support rod 1107, and the lower end of the support rod 1107 is fixedly connected to the circular plate 1103, the side surface of the circular plate 1103 is symmetrically fixedly connected to the transverse plate 1104, and a movable roller 1105 is installed at one end of the transverse plate 1104, and the movable roller 1105 contacts the inner surface of the air box 11, which can limit the sealing plate 1205 and prevent the sealing plate 1205 from tilting when sliding, thereby causing air leakage in the detection tube 12.

[0023] As a technical optimization solution of the utility model, the upper surface of the horizontal plate 1104 is fixedly connected with a return spring 1106, and the upper end of the return spring 1106 is fixedly connected to the inner wall of the air box 11, which can return the sealing plate 1205 to its original position when the air pressure inside the water pump 4 is removed, thereby facilitating the staff to conduct inspection next time.

[0024] As a technical optimization scheme of the utility model, the positioning assembly includes a rotating cylinder 7, and the rotating cylinder 7 is located on the outside of the profiling block 2, the lower end of the rotating cylinder 7 is fixedly connected with a cushion block 3, and the upper end of the rotating cylinder 7 is installed with a cylinder cantilever 5, and the lower surface of one end of the cylinder cantilever 5 is fixedly connected with a pressure head 6, and the water pump 4 can be conveniently fixed by the rotating cylinder 7 and the cylinder cantilever 5 at the upper end of the rotating cylinder 7, thereby improving the stability of the water pump 4 during detection, and the water pump 4 can be protected by the pressure head 6 on the lower surface of one end of the cylinder cantilever 5 to prevent the cylinder cantilever 5 from causing damage to the water pump 4 when fixing the water pump 4.

[0025] As a technical optimization solution of the utility model, a manual valve 9 is fixedly connected to the upper surface of one end of the base 1, and a handle 8 is provided on one side of the manual valve 9, and the lower end of the handle 8 is fixedly connected to the upper surface of the base 1.

[0026] When the utility model is in use, the staff first places the water pump 4 on the upper surface of the profiling block 2, then starts the rotating cylinder 7, fixes the water pump 4 on the upper surface of the profiling block 2 through the cylinder cantilever 5 and the pressure head 6 at the upper end of the rotating cylinder 7, and then connects the upper end of the water pump 4 to the air box 11 through the joint 1101. At this time, the inside of the water pump 4 is inflated through the air inlet 401 on the side surface of the water pump 4, and then the gas will enter the inside of the air box 11 through the water pump 4, the joint 1101 and the air pipe 1102, and then the gas will push the sealing plate 1205 inside the detection cylinder 12 on the upper surface of the air box 11 to move upward, and When the sealing plate 1205 moves upward, the U-shaped rod 1201 and the pointer 1204 move upward. At this time, the moving position of the pointer 1204 can be observed through the scale line 1203 on the side surface of the detection tube 12, and then the movement of the pointer 1204 can be observed. If the pointer 1204 moves downward during the detection process, it means that the water pump has a leak. Otherwise, it means that the air tightness of the water pump is relatively good. When the water pump has a slight leak, the time it takes for the pointer 1204 to fall to its original position can be observed. This can also facilitate the staff to judge the air tightness of the water pump.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water pump air tightness detection tool, comprising a base (1), a profiling block (2) being fixedly connected to the upper surface of the base (1), and a water pump (4) being arranged above the profiling block (2), characterized in that: A positioning assembly is provided at the upper end of the water pump (4), and a bottom plate (10) is provided on one side of the water pump (4); the lower surface of the bottom plate (10) is fixedly connected to the upper surface of the base (1), and the upper surface of the bottom plate (10) is fixedly connected to an air box (11); the upper end of the air box (11) is fixedly connected to a detection cylinder (12), and the air box (11) and the detection cylinder (12) are communicated with each other; a sealing plate (1205) is slidably connected inside the detection cylinder (12), and a U-shaped rod (1201) is fixedly connected to the upper surface of the sealing plate (1205); One end of the U-shaped rod (1201) is fixedly connected to a pointer (1204), and the pointer (1204) is located outside the detection cylinder (12); the outer surface of the detection cylinder (12) is fixedly connected to a scale line (1203), and the scale line (1203) is aligned with the pointer (1204); the side surface of the air box (11) is fixedly connected to an air pipe (1102), and one end of the air pipe (1102) is sleeved on one end of the water pump (4) through a joint (1101); and the side surface of the water pump (4) is fixedly connected to an air inlet (401).

2. The water pump air tightness detection tool according to claim 1, characterized in that: A sealing ring (1206) is fixedly connected to the side surface of the sealing plate (1205), and the sealing ring (1206) is tightly attached to the inner wall of the detection cylinder (12).

3. The water pump air tightness detection tool according to claim 1, characterized in that: The lower surface of the sealing plate (1205) is fixedly connected to a support rod (1107), and the lower end of the support rod (1107) is fixedly connected to a circular plate (1103), the side surface of the circular plate (1103) is symmetrically fixedly connected to a transverse plate (1104), and a movable roller (1105) is installed at one end of the transverse plate (1104), and the movable roller (1105) is in contact with the inner surface of the air box (11).

4. The water pump air tightness detection tool according to claim 3, characterized in that: A return spring (1106) is fixedly connected to the upper surface of the transverse plate (1104), and the upper end of the return spring (1106) is fixedly connected to the inner wall of the air box (11).

5. The water pump air tightness detection tool according to claim 1, characterized in that: The positioning assembly comprises a rotary cylinder (7), and the rotary cylinder (7) is located outside the profiling block (2), the lower end of the rotary cylinder (7) is fixedly connected to a cushion block (3), and the upper end of the rotary cylinder (7) is equipped with a cylinder cantilever (5), and the lower surface of one end of the cylinder cantilever (5) is fixedly connected to a pressure head (6).

6. The water pump air tightness detection tool according to claim 1, characterized in that: A manual valve (9) is fixedly connected to the upper surface of one end of the base (1), and a handle (8) is provided on one side of the manual valve (9), wherein the lower end of the handle (8) is fixedly connected to the upper surface of the base (1).

Images