Portable fire extinguishing water pump
Through modular installation, overload protection and spring adjustment mechanism, the problems of looseness, inconvenience in carrying and insufficient overload protection of portable fire-fighting water pumps are solved, the stability and adaptability of the equipment are improved, and normal operation under high load is ensured.
Patent Information
- Application Number
- CN202423230903.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing portable fire-fighting water pumps have problems such as loosening or falling off during use, being inconvenient to operate and carry, insufficient overload protection, and poor equipment stability and adaptability.
The module installation mechanism, anti-overload mechanism and spring adjustment mechanism are designed. The stable connection between the impeller assembly and the output motor is ensured by fixing the mounting frame and the mounting plate. The coordination of the anti-overload rod and the anti-overload groove realizes overload protection. The adjustment of the threaded ring and the directional ring can flexibly adjust the sensitivity of the anti-overload mechanism.
It improves the stability and portability of the equipment, ensures the protection of the equipment in overload conditions, and enhances the adaptability and operational reliability of the equipment under different working conditions.
Smart Images

Figure CN223459560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire pump technical field, more specifically, it relates to a portable fire water pump. BACKGROUND
[0002] The portable fire water pump is a mobile device designed for quick response and extinguishing fire, which is usually used in fire fighting, forest fire prevention, industrial emergency and rural fire fighting scenes, and has the characteristics of small size, light weight and simple operation.
[0003] In the prior art, firstly, part of the device is loose or falls off during use, which affects the stability and reliability of the water pump, the operator cannot conveniently carry and move the whole device, the portability of the equipment is reduced, there is no portable handle and fixing structure, the connection between the gasoline engine and the output motor may not be firm enough, which affects the efficiency and stability of power transmission, secondly, part of the device cannot realize protection under overload condition, which may cause the water pump to be damaged under overload condition, reduce the service life of the equipment, cannot timely disconnect power transmission under overload condition, protect the equipment, cannot realize protection through compression and expansion of the spring under overload condition, which may cause the equipment to continue to run under overload condition, increase the risk of damage, finally, part of the device cannot adjust the sensitivity of the anti-overload spring, the adaptability of the equipment under different working conditions is poor, which further reduces the safety of operation. UTILITY MODEL CONTENTS
[0004] (I) technical problems solved
[0005] In view of the problems existing in the prior art, the utility model provides a portable fire water pump to solve the technical problems that the operator cannot conveniently carry and move the whole device, cannot realize protection under overload condition and the like mentioned in the background art.
[0006] (II) technical scheme
[0007] In order to achieve the above object, the utility model provides the following technical scheme: A portable fire extinguishing water pump, including bottom plate, module installation mechanism, anti overload mechanism and spring adjusting mechanism, the module installation mechanism includes impeller assembly, mounting bracket, gasoline engine, portable handle, output motor and mounting plate, the mounting bracket is installed at the bottom end of impeller assembly, the mounting plate is installed at the bottom end of output motor, the mounting plate and mounting bracket are fixed through external bolt, the portable handle is installed at the top end of gasoline engine, the bottom end of gasoline engine is connected with the top end of output section, the anti overload mechanism includes anti overload pipe, anti overload rod, anti overload groove, extension frame, moving block, anti overload spring and inner pressure block, the anti overload rod extends into the inside of anti overload pipe, the anti overload groove is arranged on the side surface of anti overload rod, the extension frame is horizontally slidably arranged on the side wall of joint pipe, the moving block is arranged in contact with one end of extension frame, the anti overload spring is installed in the movement groove of the inner wall of anti overload pipe, one end of anti overload spring is pressed to moving block, makes extension frame extend into anti overload groove, makes anti overload pipe and anti overload rod connect, one end of inner pressure block has directional sliding and presses the other end of anti overload spring.
[0008] The utility model further sets up, spring adjusting mechanism includes screw ring, directional ring, directional block, cooperation board, cooperation groove, fixed frame, extension block and support spring, the screw ring is connected on the outer wall of joint pipe, the directional ring is pushed on the outer wall of anti overload pipe by screw ring, the directional block directional slides on anti overload pipe, and both ends of directional block are connected with directional ring and cooperation board, a plurality of cooperation grooves are arranged on cooperation board, the fixed frame is fixedly installed on the outer wall of anti overload pipe, the extension block is horizontally slidably arranged on fixed frame, the support spring is installed between extension block and fixed frame, extension block can extend into different cooperation grooves, make cooperation board and directional block fixed in different positions, further compress or pull anti overload spring.
[0009] The utility model further sets up, one end of impeller assembly is equipped with water suction pipe, the other end of impeller assembly is equipped with water outlet pipe, water suction pipe ensures the efficient water suction of water pump, improves fire extinguishing efficiency, and water outlet pipe ensures the efficient drainage of water pump, improves fire extinguishing efficiency.
[0010] The utility model further sets up, the output end of output motor is equipped with output shaft, and one end of anti overload pipe is connected with one end of output shaft, and output shaft realizes the transmission of power, ensures the efficient operation of water pump, improves fire extinguishing efficiency.
[0011] The utility model further sets up, one end of impeller assembly extends and is equipped with connecting shaft, one end of anti overload rod is equipped with connecting plate, connecting shaft realizes the linkage of impeller assembly and anti overload mechanism, ensures the efficient operation of water pump, improves fire extinguishing efficiency.
[0012] The utility model further sets up, the connecting plate is connected with the connecting axle cooperation, and the anti overload mechanism links up the anti overload pipe and the anti overload rod, makes the connecting axle and the output shaft linkage, the anti overload pipe prevents the water pump from damaging under the overload condition, improves the reliability of operation.
[0013] The utility model further sets up, the sidewall of anti overload pipe is equipped with directional groove, and directional groove is longitudinally set up, and directional block is slidably arranged in directional groove, and directional ring moves, and makes the inner pressure block press to the anti overload spring, and directional groove ensures the stable sliding of directional block, improves the reliability of operation.
[0014] The utility model further sets up, the bottom of screw ring is equipped with the thrust bearing of installation, and the other end of thrust bearing is in contact with directional ring setting, and thrust bearing reduces friction, improves the rotation smoothness and stability of screw ring, improves the reliability of operation.
[0015] (Three) beneficial effect
[0016] Compared with the prior art, the utility model provides a kind of portable fire extinguishing water pump, with following beneficial effects:
[0017] The utility model sets up module mounting mechanism, is fixed by mounting frame and mounting plate, ensure the stable connection of impeller assembly and output motor, prevent loosening or falling off in the process of use, improve the overall stability of equipment, use external bolt to fix mounting plate and mounting frame together, further strengthen the firmness of structure, ensure the reliability of equipment when high load works, portable is installed in the top end of gasoline engine, it is convenient for operator to carry and move entire device, improve the portability of equipment, applicable to various fire extinguishing sites.
[0018] The utility model sets up anti overload mechanism, anti overload rod extends into the inside of anti overload pipe, is connected by the cooperation of anti overload groove and extension frame, realizes the connection of anti overload pipe and anti overload rod, when system overload, extension frame is withdrawn from anti overload groove, anti overload rod is separated from anti overload pipe, cuts off power transmission, protects equipment from being damaged, anti overload spring is installed in the movement groove of the inner wall of anti overload pipe, one end of anti overload spring is pressed to moving block, so that extension frame extends into anti overload groove, ensure the connection when normal work, when overload, extension frame is withdrawn from anti overload groove, realizes overload protection.
[0019] The utility model sets up spring adjusting mechanism, screw ring is connected on the outer wall of anti overload pipe by thread, by rotating screw ring directional ring is pushed, adjust the sensitivity of anti overload mechanism, so that equipment can keep optimum protection effect under different working conditions, directional block is oriented to slide on anti overload pipe, and the both ends of directional block are connected with directional ring and cooperation plate, are set on cooperation plate by multiple groups of cooperation grooves, realize the fixation of cooperation plate at different positions, and then compress or pull anti overload spring, adjust the sensitivity of anti overload mechanism.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the whole structure schematic view of the device in the utility model in unused state;
[0021] Figure 2 It is the whole structure schematic view of the device in different visual angle;
[0022] Figure 3 It is the structure schematic view of the installation mode of the anti-overload mechanism in the utility model;
[0023] Figure 4 It is the structure schematic view of the anti-overload mechanism and spring adjusting mechanism in the utility model;
[0024] Figure 5 It is the structure schematic view of the inside of the anti-overload mechanism and spring adjusting mechanism in the utility model.
[0025] In the drawing: 1, bottom plate;2, impeller assembly;3, mounting frame;4, gasoline engine;5, portable handle;6, output motor;7, mounting plate;8, anti-overload pipe;9, anti-overload rod;10, anti-overload groove;11, extension frame;12, moving block;13, anti-overload spring;14, inner pressure block;15, threaded ring;16, directional ring;17, directional block;18, matching plate;19, matching groove;20, fixed frame;21, extension block;22, supporting spring;23, water suction pipe;24, water outlet pipe;25, output shaft;26, connecting shaft;27, connecting plate;28, directional groove;29, thrust bearing. DETAILED DESCRIPTION
[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0028] In the present application, unless otherwise specified, the orientation such as "up, down" is generally with respect to the direction shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction. Similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above orientation words are not used to limit the present application.
[0029] Please refer to Figures 1-5The utility model provides a portable fire extinguishing water pump, including bottom plate 1, module installation mechanism, anti overload mechanism and spring adjusting mechanism, module installation mechanism includes impeller assembly 2, mounting frame 3, gasoline engine 4, portable handle 5, output motor 6 and mounting plate 7, mounting frame 3 is installed at the bottom end of impeller assembly 2, mounting plate 7 is installed at the bottom end of output motor 6, and mounting plate 7 and mounting frame 3 are fixed through external bolt, portable handle 5 is installed at the top end of gasoline engine 4, and the bottom end of gasoline engine 4 is connected with the top end of output section set, anti overload mechanism includes anti overload pipe 8, anti overload rod 9, anti overload groove 10, extension frame 11, moving block 12, anti overload spring 13 and inner pressure block 14, anti overload rod 9 extends into the inside of anti overload pipe 8, anti overload groove 10 is arranged on the side of anti overload rod 9, extension frame 11 is horizontally slidably arranged on the side wall of the clamping pipe, moving block 12 is arranged in contact with one end of extension frame 11, anti overload spring 13 is installed in the movement groove of the inner wall of anti overload pipe 8, one end of anti overload spring 13 is pressed to moving block 12, makes extension frame 11 extend into anti overload groove 10, makes anti overload pipe 8 and anti overload rod 9 connect, and one end of inner pressure block 14 has directional sliding and is pressed to the other end of anti overload spring 13.
[0030] In the embodiment, mounting frame 3 is installed at the bottom end of impeller assembly 2, mounting plate 7 is installed at the bottom end of output motor 6, and mounting plate 7 and mounting frame 3 are fixed together through external bolt, the stable connection of impeller assembly 2 and output motor 6 is ensured, portable handle 5 is installed at the top end of gasoline engine 4, and the operator is convenient to carry and move the whole device, the bottom end of gasoline engine 4 is connected with the top end of output motor 6, and the smoothness of power transmission is ensured, anti overload rod 9 extends into the inside of anti overload pipe 8, anti overload groove 10 is arranged on the side of anti overload rod 9, extension frame 11 is horizontally slidably arranged on the side wall of anti overload pipe 8, moving block 12 is arranged in contact with one end of extension frame 11, anti overload spring 13 is installed in the movement groove of the inner wall of anti overload pipe 8, one end of anti overload spring 13 is pressed to moving block 12, makes extension frame 11 extend into anti overload groove 10, realizes the connection of anti overload pipe 8 and anti overload rod 9, and one end of inner pressure block 14 has directional sliding and is pressed to the other end of anti overload spring 13, when the overload force is greater than the pre-tightening force of anti overload spring 13, anti overload spring 13 is compressed, extension frame 11 is withdrawn from anti overload groove 10, anti overload rod 9 is separated from anti overload pipe 8, thereby realizing overload protection.
[0031] The spring adjusting mechanism comprises a threaded ring 15, a directional ring 16, a directional block 17, a matching plate 18, a matching groove 19, a fixing frame 20, an extending block 21 and a supporting spring 22, the threaded ring 15 is threadedly connected to the outer wall of the clamping pipe, the directional ring 16 is pushed by the threaded ring 15 on the outer wall of the overload prevention pipe 8, the directional block 17 is slidably oriented on the overload prevention pipe 8, and the two ends of the directional block 17 are connected with the directional ring 16 and the matching plate 18, a plurality of groups of the matching groove 19 are arranged on the matching plate 18, the fixing frame 20 is fixedly installed on the outer wall of the overload prevention pipe 8, the extending block 21 is transversely slidably arranged on the fixing frame 20, and the supporting spring 22 is installed between the extending block 21 and the fixing frame 20, the extending block 21 can extend into different matching grooves 19, so that the matching plate 18 and the directional block 17 are fixed at different positions, and then the overload prevention spring 13 is compressed or pulled.
[0032] In the embodiment, the threaded ring 15 is rotated to push the directional ring 16 to move, the directional ring 16 drives the directional block 17 to slide in the directional groove 28, a plurality of groups of the matching groove 19 are arranged on the matching plate 18, the fixing frame 20 is fixedly installed on the outer wall of the overload prevention pipe 8, the extending block 21 on the fixing frame 20 extends into different matching grooves 19 under the action of the supporting spring 22 along with the movement of the matching plate 18, the movement of the directional block 17 fixes the matching plate 18 at different positions, and then the overload prevention spring is compressed or pulled, so that the sensitivity of the overload prevention mechanism is adjusted.
[0033] Please refer to Figures 1-5 , as a portable fire extinguishing water pump supplement embodiment of the module mounting mechanism, the overload prevention mechanism and the spring adjusting mechanism: one end of the impeller assembly 2 is respectively provided with a water suction pipe 23, the other end of the impeller assembly 2 is provided with a water outlet pipe 24, the output end of the output motor 6 is provided with an output shaft 25, and one end of the overload prevention pipe 8 is connected with one end of the output shaft 25, one end of the impeller assembly 2 is provided with a connecting shaft 26, one end of the overload prevention rod 9 is provided with a connecting plate 27, the connecting plate 27 is connected with the connecting shaft 26, the overload prevention mechanism links the overload prevention pipe 8 and the overload prevention rod 9, so that the connecting shaft 26 is linked with the output shaft 25, the side wall of the overload prevention pipe 8 is provided with a directional groove 28, the directional groove 28 is longitudinally arranged, the directional block 17 is slidably and directionally arranged in the directional groove 28, the directional ring 16 moves, the inner compression block 14 is pressed to the overload prevention spring 13, the bottom of the threaded ring 15 is provided with a thrust bearing 29, and the other end of the thrust bearing 29 is in contact with the directional ring 16.
[0034] More specifically, the gasoline engine 4 is started, the impeller assembly 2 is driven by the output motor 6, one end of the impeller assembly 2 is provided with a water suction pipe 23, the other end is provided with a water outlet pipe 24, the water suction and discharge are ensured, the output end of the output motor 6 is provided with an output shaft 25, one end of the overload prevention pipe 8 is connected with one end of the output shaft 25, one end of the impeller assembly 2 is provided with a connecting shaft 26, one end of the overload prevention rod 9 is provided with a connecting plate 27, the connecting plate 27 is connected with the connecting shaft 26, the connecting shaft 26 is connected with the output shaft 25, when the system load exceeds the set value, the overload prevention spring 13 is pressed, the overload prevention spring 13 is compressed, the extension frame 11 is withdrawn from the overload prevention groove 10, the overload prevention rod 9 is separated from the overload prevention pipe 8, so as to realize overload protection, when the overload condition is removed, the overload prevention spring 13 returns to the original state, the extension frame 11 re-extends into the overload prevention groove 10, the overload prevention rod 9 is re-connected with the overload prevention pipe 8, and the system returns to normal work, by rotating the threaded ring 15, the directional ring 16 moves on the outer wall of the overload prevention pipe 8, the directional block 17 slides in the directional groove 28, the matching plate 18 is fixed in different positions, the extension block 21 extends into different matching grooves 19, the overload prevention spring is compressed or pulled, and the sensitivity of the overload prevention mechanism is adjusted.
[0035] In summary, when the module installation mechanism needs to be operated, the mounting frame 3 is installed at the bottom end of the impeller assembly 2, the mounting plate 7 is installed at the bottom end of the output motor 6, the mounting plate 7 and the mounting frame 3 are fixed together through external bolts, the stable connection of the impeller assembly 2 and the output motor 6 is ensured, the portable handle 5 is installed at the top end of the gasoline engine 4, which is convenient for the operator to carry and move the entire device, and the bottom end of the gasoline engine 4 is connected with the top end of the output motor 6, so as to ensure the smooth power transmission.
[0036] When the overload prevention mechanism needs to be operated, the overload prevention rod 9 extends into the interior of the overload prevention pipe 8, the overload prevention groove 10 is arranged on the side of the overload prevention rod 9, the extension frame 11 is transversely and slidably arranged on the side wall of the overload prevention pipe 8, the moving block 12 is arranged in contact with one end of the extension frame 11, the overload prevention spring 13 is installed in the movement groove of the inner wall of the overload prevention pipe 8, one end of the overload prevention spring 13 is pressed towards the other end of the moving block 12, so that the extension frame 11 extends into the overload prevention groove 10, the connection between the overload prevention pipe 8 and the overload prevention rod 9 is realized, one end of the inner pressure block 14 has directional sliding and presses the other end of the overload prevention spring 13, when the overload force is greater than the pre-tightening force of the overload prevention spring 13, the overload prevention spring 13 is compressed, the extension frame 11 is withdrawn from the overload prevention groove 10, the overload prevention rod 9 is separated from the overload prevention pipe 8, so as to realize overload protection.
[0037] When the spring adjusting mechanism needs to operate, the threaded ring 15 is rotated to push the directional ring 16 to move, the directional ring 16 drives the directional block 17 to slide in the directional groove 28, a plurality of sets of matching grooves 19 are arranged on the matching plate 18, the fixed frame 20 is fixedly installed on the outer wall of the overload prevention pipe 8, with the movement of the matching plate 18, the extension block 21 on the fixed frame 20 extends into different matching grooves 19 under the action of the supporting spring 22, at this time, the movement of the directional block 17 fixes the matching plate 18 at different positions, thereby compressing or pulling the overload prevention spring to adjust the sensitivity of the overload prevention mechanism.
[0038] The gasoline engine 4 is started, the impeller assembly 2 is driven by the output motor 6, one end of the impeller assembly 2 is provided with the water suction pipe 23, the other end is provided with the water outlet pipe 24, the water suction and discharge are ensured, the output end of the output motor 6 is provided with the output shaft 25, one end of the overload prevention pipe 8 is connected with one end of the output shaft 25, one end of the impeller assembly 2 is provided with the connecting shaft 26, one end of the overload prevention rod 9 is provided with the connecting plate 27, the connecting plate 27 is connected with the connecting shaft 26, the connecting shaft 26 is connected with the output shaft 25, when the system load exceeds the set value, the overload prevention spring 13 is compressed, the extension frame 11 is withdrawn from the overload prevention groove 10, the overload prevention rod 9 is separated from the overload prevention pipe 8, thereby realizing overload protection, when the overload condition is removed, the overload prevention spring 13 returns to the original state, the extension frame 11 re-extends into the overload prevention groove 10, the overload prevention rod 9 is re-connected with the overload prevention pipe 8, the system returns to normal work, the threaded ring 15 is rotated to push the directional ring 16 to move on the outer wall of the overload prevention pipe 8, the directional block 17 slides in the directional groove 28, the matching plate 18 is fixed at different positions, the extension block 21 extends into different matching grooves 19, the overload prevention spring is compressed or pulled, and the sensitivity of the overload prevention mechanism is adjusted.
[0039] In all the schemes mentioned above, the connection between two components can be selected according to actual conditions, such as welding, bolt and nut connection, bolt or screw connection or other known connection modes, which will not be described one by one here. In the above, when it is mentioned that it is fixedly connected, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A portable fire extinguishing water pump comprising a base plate (1), a module mounting mechanism, an anti-overload mechanism and a spring adjustment mechanism, characterized in that: The module mounting mechanism comprises an impeller assembly (2), a mounting frame (3), a gasoline engine (4), a portable handle (5), an output motor (6) and a mounting plate (7), the mounting frame (3) is mounted at the bottom end of the impeller assembly (2), the mounting plate (7) is mounted at the bottom end of the output motor (6), the mounting plate (7) and the mounting frame (3) are fixed by external bolts, the portable handle (5) is mounted at the top end of the gasoline engine (4), and the bottom end of the gasoline engine (4) is connected with the top end of the output section.
2. The portable fire-fighting water pump according to claim 1, characterized in that: The spring adjusting mechanism comprises a threaded ring (15), a directional ring (16), a directional block (17), a matching plate (18), a matching groove (19), a fixing frame (20), an extension block (21) and a supporting spring (22), the threaded ring (15) is threadedly connected to the outer wall of the clamping pipe, the directional ring (16) is pushed by the threaded ring (15) on the outer wall of the overload prevention pipe (8), the directional block (17) is directionally slid on the overload prevention pipe (8), and the two ends of the directional block (17) are connected with the directional ring (16) and the matching plate (18), a plurality of matching grooves (19) are arranged on the matching plate (18), the fixing frame (20) is fixedly installed on the outer wall of the overload prevention pipe (8), the extension block (21) is transversely slidably arranged on the fixing frame (20), and the supporting spring (22) is installed between the extension block (21) and the fixing frame (20).
3. The portable fire-fighting water pump according to claim 1, characterized in that: One end of the impeller assembly (2) is provided with a water suction pipe (23), and the other end of the impeller assembly (2) is provided with a water outlet pipe (24).
4. The portable fire fighting water pump of claim 1, wherein: The output end of the output motor (6) is provided with an output shaft (25), and one end of the overload prevention pipe (8) is connected with one end of the output shaft (25).
5. A portable fire fighting water pump according to claim 4 wherein: One end of the impeller assembly (2) is provided with a connecting shaft (26), and one end of the overload prevention rod (9) is provided with a connecting plate (27).
6. A portable fire fighting water pump according to claim 5 wherein: The connecting plate (27) is connected with the connecting shaft (26), and the overload prevention mechanism links the overload prevention pipe (8) and the overload prevention rod (9), so that the connecting shaft (26) is linked with the output shaft (25).
7. The portable fire fighting water pump of claim 2, wherein: A directional groove (28) is formed in the side wall of the overload prevention pipe (8), the directional groove (28) is longitudinally arranged, the directional block (17) is slidably arranged in the directional groove (28), the directional ring (16) is moved, and the inner pressure block (14) is pressed against the overload prevention spring (13).
8. The portable fire fighting water pump of claim 2, wherein: The bottom of the threaded ring (15) is provided with a thrust bearing (29), and the other end of the thrust bearing (29) is in contact with the directional ring (16).