Booster pump with pressure relief protection function

Abstract

The utility model belongs to the technical field of booster pumps, and particularly relates to a booster pump with a pressure relief protection function, which comprises a base, the upper end of the base is in contact with a support bottom, the upper end of the support bottom is fixedly connected with a mounting seat, the upper end of the mounting seat is fixedly connected with a booster pump, and the upper end of the booster pump is provided with a pressure gauge. A fixing pipe is fixedly connected to the right side of the pressure gauge, a connecting pipe is inserted into the outer side of the fixing pipe, and a fixing block is fixedly connected to the right side of the pressure gauge. By arranging the sleeve, the sealing gasket, the pressure relief hole, the spring and the like, the spring can drive the sealing gasket on the mounting plate to shield the pressure relief hole, when the internal pressure of the booster pump is too large, the sealing gasket can be driven to slide in the sleeve, and when the sealing gasket does not shield the pressure relief hole any more, pressure relief can be conducted; the problem that when the booster pump is used, internal pressure is too large, and damage is easily caused is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of booster pumps, in particular to a booster pump with a pressure relief protection function. Background Art

[0002] A booster pump is a device for increasing the pressure of a fluid. It transports the fluid from a low-pressure area to a high-pressure area by increasing the pressure of the fluid. Booster pumps are generally used in water pump systems, water supply systems, industrial applications and other fields. According to the utility model with patent authorization announcement number CN220646185U, a booster pump is disclosed, including a vertical screw pump and a driving mechanism located below the vertical screw pump. A support structure is provided below the vertical screw pump, and the support structure is used to support the vertical screw pump. The driving mechanism is used to drive the vertical screw pump to operate. A pump suction port and a pump discharge port are provided on the vertical screw pump. The vertical screw pump operates to suck the fluid from the pump suction port, and the fluid sucked from the pump suction port is discharged through the pump discharge port. The utility model drives the vertical screw pump to operate as liquid pressurization through the driving mechanism, has the advantages of being able to adapt to the offshore platform environment and having a strong boosting capacity, and adopts the vertical screw pump and the driving mechanism arranged up and down, which has the advantage of small footprint. When the booster pump is in use, the fixed pipe and the connecting pipe of the pressure gauge are not stably connected, and the internal pressure of the booster pump is too high when in use, which can easily cause damage. Utility Model Content

[0003] The utility model aims to provide a booster pump with a pressure relief protection function, which solves the problems that the fixed pipe and the connecting pipe of the pressure gauge are not stably connected when the booster pump is in use, and the internal pressure of the booster pump is too high when in use, which easily causes damage.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a booster pump with a pressure relief protection function, comprising a base, the upper end of the base contacts with a supporting bottom, the upper end of the supporting bottom is fixedly connected with a mounting seat, the upper end of the mounting seat is fixedly connected with the booster pump, the upper end of the booster pump is provided with a pressure gauge, the right side of the pressure gauge is fixedly connected with a fixing pipe, the outer side of the fixing pipe is plugged with a connecting pipe, the right side of the pressure gauge is fixedly connected with a fixing block, the fixing block contacts with the connecting pipe, the outer side of the fixing block is rotatably connected with a limiting sleeve, a pressure relief mechanism is provided at the front of the booster pump, the pressure relief mechanism comprises a sleeve, the front side of the booster pump is fixedly connected with a sleeve, the inside of the sleeve is slidably connected with a sliding rod, the end of the sliding rod away from the sleeve is fixedly connected with a mounting plate, the end of the mounting plate away from the sliding rod is fixedly connected with a sealing gasket, a spring is provided on the outer side of the sliding rod, and a pressure relief hole is opened inside the sleeve.

[0005] Preferably, the support bottom is internally slidably connected with a bolt, and the bolt is threadedly connected to the base. The design of the bolt can limit the support bottom.

[0006] Preferably, the limiting sleeve is in contact with the pressure gauge, and the limiting sleeve is connected to the connecting pipe via threads. The limiting sleeve can play a limiting role on the connecting pipe through the design of the limiting sleeve.

[0007] Preferably, a protrusion is fixedly connected inside the limiting sleeve, an annular groove is provided inside the fixing block, and a protrusion is slidably connected inside the annular groove. The design of the protrusion can play a limiting role on the limiting sleeve.

[0008] Preferably, the sleeve is slidably connected to the mounting plate, and the sleeve is slidably connected to the sealing gasket. The design of the sleeve can be used to install a pressure relief structure.

[0009] Preferably, one end of the spring contacts the mounting plate, and the other end of the spring contacts the sleeve. The design of the spring can drive the sealing gasket to reset.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is provided with a sleeve, a sealing gasket, a pressure relief hole, a spring and other components, so that the spring can drive the sealing gasket on the mounting plate to cover the pressure relief hole. When the internal pressure of the booster pump is too high, the sealing gasket will be driven to slide in the sleeve. When the sealing gasket no longer covers the pressure relief hole, the pressure can be relieved, which solves the problem that the booster pump is easily damaged due to excessive internal pressure when in use.

[0012] 2. The utility model is provided with a fixing block, a limiting sleeve and other components, so that the connecting pipe and the fixed pipe can be plugged in. Then, the limiting sleeve is rotated to make the limiting sleeve and the connecting pipe have a threaded movement, so that the limiting sleeve can limit the connecting pipe, so that the plugging of the connecting pipe and the fixed pipe remains stable, thereby solving the problem of unstable plugging of the fixed pipe and the connecting pipe of the pressure gauge when the booster pump is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 A front cross-sectional view of

[0015] Figure 3 For the utility model Figure 1 A three-dimensional diagram of the local structure in

[0016] Figure 4 For the utility model Figure 2 A-section structure enlarged view.

[0017] In the figure: 1. base; 11. support bottom; 12. mounting seat; 13. booster pump; 14. bolt; 15. pressure gauge; 2. fixing pipe; 21. connecting pipe; 22. fixing block; 23. limiting sleeve; 24. protrusion; 25. ring groove; 3. pressure relief mechanism; 31. sleeve; 32. sliding rod; 33. mounting plate; 34. sealing gasket; 35. spring; 36. pressure relief hole. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 A booster pump with a pressure relief protection function comprises a base 1, the upper end of the base 1 contacts with a support base 11, the upper end of the support base 11 is fixedly connected with a mounting base 12, the upper end of the mounting base 12 is fixedly connected with a booster pump 13, the inner part of the support base 11 is slidably connected with a bolt 14, the bolt 14 is threadedly connected to the base 1, and the design of the bolt 14 can limit the support base 11, a pressure gauge 15 is arranged on the upper end of the booster pump 13, a fixed pipe 2 is fixedly connected to the right side of the pressure gauge 15, a connecting pipe 21 is inserted on the outer side of the fixed pipe 2, a fixed block 22 is fixedly connected to the right side of the pressure gauge 15, the fixed block 22 contacts with the connecting pipe 21, and the outer side of the fixed block 22 is rotatably connected with a limiting sleeve 23.

[0020] See also Figure 2-4 The limiting sleeve 23 contacts the pressure gauge 15, and the limiting sleeve 23 is connected to the connecting pipe 21 through a threaded connection. The design of the limiting sleeve 23 can limit the connecting pipe 21. The inside of the limiting sleeve 23 is fixedly connected with a protrusion 24, and the inside of the fixed block 22 is provided with an annular groove 25. The inside of the annular groove 25 is slidably connected with the protrusion 24. The design of the protrusion 24 can limit the limiting sleeve 23.

[0021] See also Figure 2-4A pressure relief mechanism 3 is provided on the front of the boost pump 13, and the pressure relief mechanism 3 includes a sleeve 31. The sleeve 31 is fixedly connected to the front of the boost pump 13, and a slide rod 32 is slidably connected inside the sleeve 31. The end of the slide rod 32 away from the sleeve 31 is fixedly connected to a mounting plate 33, and the end of the mounting plate 33 away from the slide rod 32 is fixedly connected to a sealing gasket 34. The sleeve 31 is slidably connected to the mounting plate 33, and the sleeve 31 is slidably connected to the sealing gasket 34. The design of the sleeve 31 can be used to install the pressure relief structure. A spring 35 is provided on the outer side of the slide rod 32, one end of the spring 35 is in contact with the mounting plate 33, and the other end of the spring 35 is in contact with the sleeve 31. The design of the spring 35 can drive the sealing gasket 34 to reset, and a pressure relief hole 36 is opened inside the sleeve 31.

[0022] The specific implementation process of the utility model is as follows: when in use, the connecting pipe 21 is plugged into the fixed pipe 2, and then the limiting sleeve 23 is rotated to make the limiting sleeve 23 rotate on the fixed block 22, so that the limiting sleeve 23 plays a limiting role on the connecting pipe 21, so that the connecting pipe 21 and the fixed pipe 2 are kept stable when plugged, which can effectively avoid leakage at the connection between the connecting pipe 21 and the fixed pipe 2;

[0023] When the internal pressure of the boost pump 13 is too high, the pressure will enter the sleeve 31, and then drive the sealing gasket 34 to slide in the sleeve 31, so that the sealing gasket 34 drives the mounting plate 33 to move, and the mounting plate 33 drives the slide rod 32 to slide in the sleeve 31, and the mounting plate 33 squeezes the spring 35. When the sealing gasket 34 no longer blocks the pressure relief hole 36, the boost pump 13 can relieve pressure through the pressure relief hole 36. When the pressure returns to normal, the elastic force of the spring 35 will drive the sealing gasket 34 on the mounting plate 33 to cover the pressure relief hole 36 again.

[0024] Although the 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 booster pump with a pressure relief protection function, comprising a base (1), characterized in that: The upper end of the base (1) contacts a supporting base (11), the upper end of the supporting base (11) is fixedly connected to a mounting seat (12), the upper end of the mounting seat (12) is fixedly connected to a booster pump (13), the upper end of the booster pump (13) is provided with a pressure gauge (15), the right side of the pressure gauge (15) is fixedly connected to a fixing pipe (2), the outer side of the fixing pipe (2) is plugged with a connecting pipe (21), the right side of the pressure gauge (15) is fixedly connected to a fixing block (22), the fixing block (22) contacts the connecting pipe (21), and the outer side of the fixing block (22) is rotatably connected to the fixing block (22). The booster pump (13) is provided with a pressure relief mechanism (3) on the front side thereof, the pressure relief mechanism (3) comprising a sleeve (31), the front side of the booster pump (13) being fixedly connected to the sleeve (31), the interior of the sleeve (31) being slidably connected to a slide rod (32), the end of the slide rod (32) away from the sleeve (31) being fixedly connected to a mounting plate (33), the end of the mounting plate (33) away from the slide rod (32) being fixedly connected to a sealing gasket (34), the outer side of the slide rod (32) being provided with a spring (35), and the interior of the sleeve (31) being provided with a pressure relief hole (36).

2. A booster pump with pressure relief protection function according to claim 1, characterized in that: The support base (11) is internally slidably connected with a bolt (14), and the bolt (14) is connected to the base (1) via a thread.

3. The booster pump with pressure relief protection function according to claim 1, characterized in that: The limiting sleeve (23) is in contact with the pressure gauge (15), and the limiting sleeve (23) is connected to the connecting pipe (21) via threads.

4. The booster pump with pressure relief protection function according to claim 1, characterized in that: A protrusion (24) is fixedly connected inside the limiting sleeve (23), an annular groove (25) is provided inside the fixing block (22), and a protrusion (24) is slidably connected inside the annular groove (25).

5. The booster pump with pressure relief protection function according to claim 1, characterized in that: The sleeve (31) is slidably connected to the mounting plate (33), and the sleeve (31) is slidably connected to the sealing gasket (34).

6. The booster pump with pressure relief protection function according to claim 1, characterized in that: One end of the spring (35) contacts the mounting plate (33), and the other end of the spring (35) contacts the sleeve (31).

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