Centrifugal fire pump

Abstract

The utility model discloses a centrifugal fire-fighting water pump, which relates to the technical field of fire-fighting water pumps and comprises a pump body, the top of the pump body is fixedly connected with a connecting cover, the top of the connecting cover is fixedly provided with a motor, two ends of the pump body are fixedly provided with pump pipes, the bottom of the pump body is fixedly provided with a mounting base, and the mounting base is fixedly provided with a water inlet and a water outlet. A socketed pipe is arranged in the pump pipe, and a protection mechanism is arranged at the top of the socketed pipe. Through mutual cooperation of the mounting gasket, the fixing bolt, the threaded groove and the protective filter screen, the problems that foreign matter enters a connecting pump pipe of the fire pump due to long-term fixed mounting of the fire pump, the water yield of the fire pump is affected when the fire pump is used, and the fire extinguishing efficiency is reduced are solved, the filtering and protecting functions are achieved, and the fire extinguishing efficiency is improved. A protective filter screen is matched with a fixing bolt to be mounted in the pump pipe in a threaded manner, so that the device can conveniently filter and prevent foreign matters from entering, and the protective function of the device is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of fire water pumps, in particular to a centrifugal fire water pump. Background Art

[0002] A centrifugal fire pump is a special pump installed on fire trucks, fixed fire extinguishing systems or other fire fighting facilities to transport liquid fire extinguishing agents such as water or foam solutions. It has the characteristics of being fully sealed, leak-free and corrosion-resistant. It is an important core unit in the fire fighting system and is widely used in modern urban fire fighting construction.

[0003] In the existing technical solution, a publication number: CN218934843U is proposed, which is a centrifugal fire water pump, including a pump body, a top cover is fixedly installed on the top of the pump body through a limiting mechanism, a motor is fixedly installed on the top of the upper cover, an impeller is fixedly installed on the output shaft of the motor, a mounting seat is fixedly installed on the bottom of the pump body through a limiting mechanism, the limiting mechanism includes a slip ring, a drain pipe is fixedly installed on the left side of the pump body, a water inlet pipe is fixedly installed on the right side of the pump body, and flanges are fixedly installed on one end of each of the drain pipe and the water inlet pipe.

[0004] In order to solve the problem that all bolts need to be tightened when installing and disassembling the pump body, the operation is troublesome and the installation and disassembly efficiency is low, the existing technology uses a knob, a worm, and a worm gear to drive a bidirectional screw, and the bidirectional screw drives the vertical plate to adjust in relative directions. The vertical plate can drive the slip ring to slide on the drain pipe and the water inlet pipe, so that the slip ring drives the extrusion plate to squeeze and fix the upper cover, which is convenient for fixing the upper cover and the motor to the pump body. However, the long-term fixed installation of the fire pump may cause foreign objects to enter the connecting pump pipe of the fire pump, thereby affecting the water output of the fire pump when the fire pump is used. Utility Model Content

[0005] The purpose of the utility model is to provide a centrifugal fire water pump to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A centrifugal fire water pump comprises a pump body, a connection cover is fixedly connected to the top of the pump body, a motor is fixedly installed on the top of the connection cover, pump pipes are fixedly installed at both ends of the pump body, and a mounting base is fixedly installed at the bottom of the pump body.

[0008] A sleeve pipe is arranged inside the pump pipe, and a protective mechanism is arranged on the top of the sleeve pipe.

[0009] An adjusting tube is fixedly installed at the bottom of the sleeve tube, a sliding groove is provided on the inner wall of the adjusting tube, a flow guide hole is provided at the bottom of the inner cavity of the sliding groove, and an adjusting mechanism is movably installed inside the sliding groove.

[0010] A further improvement of the technical solution of the utility model is that the protection mechanism comprises a connection cover, and a protection filter is fixedly installed inside the connection cover.

[0011] By adopting the above technical solution, the function of filtering protection is achieved through the cooperation between the connecting cover and the protective filter.

[0012] A further improvement of the technical solution of the utility model is that a pull block is fixedly installed in the middle of the protective filter screen, and a pull ring is fixedly installed in the middle of the pull block.

[0013] A further improvement of the technical solution of the utility model is that: both ends of the top of the connection cover are provided with clamping grooves, and mounting washers are movably installed inside the clamping grooves.

[0014] By adopting the above technical solution, the connection cover, the clamping groove and the installation gasket cooperate with each other to achieve the function of sealed installation.

[0015] A further improvement of the technical solution of the utility model is that a thread groove is provided on the top of the mounting gasket, and a fixing bolt is connected to the internal thread of the thread groove.

[0016] By adopting the above technical solution, the function of thread installation is achieved by the cooperation between the installation washer, the thread groove and the fixing bolt.

[0017] A further improvement of the technical solution of the utility model is that the adjustment mechanism comprises a plug-in block, a sleeve is fixedly connected to the side of the plug-in block, and a vent hole is opened on the outer side of the sleeve.

[0018] By adopting the above technical solution, the function of sliding connection is achieved through the cooperation between the plug-in block, the sleeve and the vent hole.

[0019] A further improvement of the technical solution of the utility model is that sealing rings are fixedly installed at the upper and lower ends of the inner wall of the sleeve, and the inner side of the sealing ring is movably sleeved on the inner wall of the regulating tube.

[0020] A further improvement of the technical solution of the utility model is that: a drainage groove is provided on the inner wall of the sleeve pipe, and a water outlet channel is fixedly connected inside the drainage groove.

[0021] By adopting the above technical solution, the drainage groove and the water outlet channel cooperate with each other to achieve the function of circulation and drainage, which is convenient for the device to dissipate heat.

[0022] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0023] 1. The utility model provides a centrifugal fire water pump. By installing washers, fixing bolts, threaded grooves and protective filters, the utility model solves the problem that the long-term fixed installation of the fire water pump causes foreign matter to enter the connecting pump pipe of the fire pump, thereby affecting the water output of the fire water pump when the fire water pump is used, thereby reducing the fire extinguishing efficiency. The function of filtering protection is achieved, and the protective filter is threadedly installed inside the pump pipe with the fixing bolts, which facilitates the device to filter and block the entry of foreign matter, thereby increasing the protection function of the device.

[0024] 2. The utility model provides a centrifugal fire water pump, which cooperates with the protective filter screen and the pull block, utilizes the threaded disassembly fixing bolts, and conveniently pulls the pull block to pull out the protective filter screen, which facilitates the fire water pump to increase the water output, is conducive to the fire fighters to use the fire water pump conveniently, and increases the practicality of the fire water pump.

[0025] 3. The utility model provides a centrifugal fire pump, which solves the problem of poor protection function of the fire pump, fire near the fire pump, causing the fire pump to be heated, thereby affecting the normal use of the fire pump, through the cooperation of the casing, air holes, sealing rings, plug-in blocks and drainage grooves, and achieves the function of heat insulation. By utilizing the mobility of the casing, the water in the inner bin flows into the interior of the regulating pipe through the air holes, so that the water absorbs heat quickly, which is convenient for the device to insulate the interior. When it is used manually, the casing is pulled to slide, and the water with high temperature flows from the guide hole to the water outlet channel, which is conducive to the convenient discharge of the device, thereby achieving the effect of heat insulation and heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the pump tube structure of the utility model;

[0028] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0029] Figure 4 This is a schematic diagram of the sleeve pipe structure of the utility model;

[0030] Figure 5 This is a schematic diagram of the drainage trough structure of the utility model.

[0031] In the figure: 1. Pump body; 2. Connecting cover; 3. Motor; 4. Pump pipe; 40. Socket pipe; 41. Connecting cover; 411. Snap-in groove; 42. Mounting gasket; 43. Fixing bolt; 44. Threaded groove; 45. Protective filter; 46. Pull block; 47. Adjusting pipe; 471. Sliding groove; 472. Guide hole; 48. Socket; 481. Air hole; 482. Sealing ring; 483. Plug block; 49. Drain groove; 5. Mounting base; 6. Water outlet channel. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the embodiments:

[0033] like Figure 1-5 As described above, the utility model provides the following technical solutions.

[0034] Example 1

[0035] The present embodiment provides a centrifugal fire water pump, including a pump body 1, a connection cover 2 is fixedly connected to the top of the pump body 1, a motor 3 is fixedly installed on the top of the connection cover 2, pump pipes 4 are fixedly installed at both ends of the pump body 1, a mounting base 5 is fixedly installed at the bottom of the pump body 1, a sleeve pipe 40 is arranged inside the pump pipe 4, a protective mechanism is arranged on the top of the sleeve pipe 40, the protective mechanism includes a connection cover 41, a protective filter screen 45 is fixedly installed inside the connection cover 41, a pull block 46 is fixedly installed in the middle of the protective filter screen 45, a pull ring is fixedly installed in the middle of the pull block, and a clamping groove 411 is opened at both ends of the top of the connection cover 41, and the clamping groove 411 is provided at the bottom of the connection cover 41. An installation gasket 42 is movably installed inside the connecting groove 411, and a threaded groove 44 is opened on the top of the installation gasket 42. The internal thread of the threaded groove 44 is connected with a fixing bolt 43. The protective filter screen 45 is sleeved inside the pump pipe 4, and the installation gasket 42 and the fixing bolt 43 are cooperated for limited installation, which facilitates the convenient installation of the protective mechanism, and uses the mesh holes of the protective filter screen 45 to block the entry of foreign objects, thereby increasing the protection of the device. When the firefighters are in use, after removing the fixing bolts 43, they use the pull block 46 to pull out the protective cover, so as to achieve the function of convenient disassembly, so that the pump pipe of the fire pump increases the water output, which is convenient for the firefighters to use.

[0036] Example 2

[0037] On the basis of Example 1, this embodiment provides a technical solution: preferably, an adjusting tube 47 is fixedly installed at the bottom of the sleeve tube 40, a sliding groove 471 is provided on the inner wall of the adjusting tube 47, a guide hole 472 is provided at the bottom of the inner cavity of the sliding groove 471, and an adjusting mechanism is movably installed inside the sliding groove 471, the adjusting mechanism includes a plug-in block 483, a sleeve 48 is fixedly connected to the side of the plug-in block 483, and an air hole 481 is provided on the outer side of the sleeve 48. Through the mobility of the adjusting tube 47 and the sliding groove 471, a gap is generated between the sleeve 48 and the adjusting tube 47, so that the moisture in the inner compartment of the fire water pump can flow into the gap through the air hole 481, and the moisture is used to absorb heat, thereby forming an isolated high-temperature setting, and the sleeve 48 cooperates to drive the plug-in block 483 to slide, so that the moisture in the gap can flow to the outside, thereby forming another isolation layer, thereby increasing the protection function of the device and facilitating the convenient use of the device.

[0038] Example 3

[0039] On the basis of Example 1, this embodiment provides a technical solution: preferably, sealing rings 482 are fixedly installed on the upper and lower ends of the inner wall of the sleeve 48, the inner side of the sealing ring 482 is movably sleeved on the inner wall of the adjusting tube 47, a drainage groove 49 is opened on the inner wall of the sleeve tube 40, and the inside of the drainage groove 49 is fixedly connected with the water outlet channel 6. The sealing ring 482 is arranged on the inner wall of the sleeve 48 to increase the sealing performance of the inside of the sleeve 48. When the fire pump is used manually, the sleeve 48 is pulled in advance inside the pump pipe 4, so that the sleeve 48 cooperates with the guide hole 472 to discharge water to the water outlet channel 6, thereby releasing the heat source and achieving the function of rapid heat dissipation, which is beneficial to the normal use of the fire pump.

[0040] The following is a detailed description of the working principle of the centrifugal fire pump.

[0041] like Figure 1-5As shown, by connecting the water inlet pipe and the water outlet pipe to the external fire-fighting pipeline respectively, and removing the sealing plug when in use, filling a proper amount of water into the sealed chamber through the water filling port, and after the filling is completed, the sealing plug is put back into the water filling port, and the power supply of the motor 3 is turned on, so that the motor 3 works to drive the rotating shaft to rotate, and the rotation of the rotating shaft realizes the rotation of the centrifugal water wheel. The centrifugal water wheel rotates in the sealed chamber to realize the supply and pressure maintenance of water in the fire-fighting pipeline, and the protective filter screen 45 is connected through the internal sleeve of the pump pipe 4, and the installation gasket 42 and the fixing bolt 43 are used for limited installation, which is convenient for the convenient installation of the protective mechanism, and the mesh of the protective filter screen 45 is used to block the entry of foreign objects, thereby increasing the protection of the device. When the firefighters are in use, after removing the fixing bolts 43, the pull block 46 is used to pull out the protective cover to achieve the function of convenient disassembly, so that the pump pipe of the fire-fighting water pump increases the water output, which is convenient for fire fighting. It is convenient for personnel to use it, and through the activity of the adjusting tube 47 and the sliding groove 471, a gap is formed between the sleeve 48 and the adjusting tube 47, which is convenient for the moisture in the inner compartment of the fire water pump to flow into the gap through the air vent 481, and use the moisture to absorb heat, thereby forming an isolated high-temperature setting, and cooperate with the sleeve 48 to drive the plug-in block 483 to slide, so that the moisture in the gap flows to the outside, thereby forming another isolation layer, increasing the protection function of the device, and facilitating the convenient use of the device. A sealing ring 482 is set on the inner wall of the sleeve 48 to increase the sealing inside the sleeve 48, and when the fire water pump is used manually, the sleeve 48 is pulled in advance inside the pump pipe 4, so that the sleeve 48 cooperates with the guide hole 472 to discharge the moisture to the water outlet channel 6, thereby releasing the heat source, achieving the function of rapid heat dissipation, and facilitating the normal use of the fire water pump.

[0042] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A centrifugal fire water pump, comprising a pump body (1), characterized in that: A connection cover (2) is fixedly connected to the top of the pump body (1), a motor (3) is fixedly mounted on the top of the connection cover (2), pump pipes (4) are fixedly mounted at both ends of the pump body (1), and a mounting base (5) is fixedly mounted on the bottom of the pump body (1); A sleeve pipe (40) is arranged inside the pump pipe (4), and a protective mechanism is arranged on the top of the sleeve pipe (40); An adjusting tube (47) is fixedly mounted on the bottom of the sleeve tube (40); a sliding groove (471) is provided on the inner wall of the adjusting tube (47); a flow guide hole (472) is provided at the bottom of the inner cavity of the sliding groove (471); and an adjusting mechanism is movably mounted inside the sliding groove (471).

2. A centrifugal fire water pump according to claim 1, characterized in that: The protection mechanism comprises a connection cover (41), and a protection filter screen (45) is fixedly installed inside the connection cover (41).

3. A centrifugal fire water pump according to claim 2, characterized in that: A pull block (46) is fixedly mounted in the middle of the protective filter screen (45), and a pull ring is fixedly mounted in the middle of the pull block (46).

4. A centrifugal fire water pump according to claim 2, characterized in that: Both ends of the top of the connection cover (41) are provided with clamping grooves (411), and mounting washers (42) are movably mounted inside the clamping grooves (411).

5. A centrifugal fire water pump according to claim 4, characterized in that: A thread groove (44) is formed on the top of the mounting gasket (42), and a fixing bolt (43) is connected to the inner thread of the thread groove (44).

6. A centrifugal fire water pump according to claim 1, characterized in that: The adjustment mechanism comprises a plug-in block (483), a side surface of the plug-in block (483) is fixedly connected to a sleeve (48), and an air hole (481) is provided on the outside of the sleeve (48).

7. A centrifugal fire water pump according to claim 6, characterized in that: Sealing rings (482) are fixedly mounted on the upper and lower ends of the inner wall of the sleeve (48), and the inner side of the sealing ring (482) is movably sleeved on the inner wall of the regulating tube (47).

8. A centrifugal fire water pump according to claim 1, characterized in that: The inner wall of the sleeve tube (40) is provided with a drainage groove (49), and the interior of the drainage groove (49) is fixedly connected to a water outlet channel (6).

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