Portable forest fire control high-pressure pump
By designing an adjustable impeller structure in the portable forest fire high-pressure pump, the problem of the inability to adjust the head was solved, enabling flexible head adjustment and easy operation, thus improving the applicability of the equipment.
Patent Information
- Application Number
- CN202511492049.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2045-10-20
AI Technical Summary
Existing portable forest fire-fighting high-pressure pumps cannot adjust their head according to usage requirements, making it difficult to meet the requirements.
A portable high-pressure pump for forest fire fighting was designed. By setting adjustable main impeller blades and auxiliary impeller blades on the impeller disk, and using structures such as the blade ball, convex cap column and blade holder, the number of blades can be dynamically adjusted. Combined with motor drive and synchronous belt drive, the head can be flexibly adjusted.
This allows for easy adjustment of the pump head without disassembling it, meeting different usage needs and improving the applicability and ease of operation of the equipment.
Smart Images

Figure CN120969242A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of pump, in particular to a portable forest fire high pressure pump. BACKGROUND
[0002] High pressure pump belongs to one kind of non-variable volume pump, which mainly transmits kinetic energy to fluid through high-speed rotation of impeller and other components, and realizes pressure increase by centrifugal force or fluid momentum change. Because high pressure pump has the characteristics of small volume and easy portability, it is often used in forest fire.
[0003] However, some existing high pressure pumps mostly use semi-open impellers to work, and the semi-open impellers are mostly machined in an integral molding manner. The number of blades on the impeller is mostly constant and cannot be adjusted, so the lift size cannot be reasonably adjusted according to the needs during use, and it is difficult to meet the use needs. SUMMARY
[0004] The present application relates to the field of pump, in particular to a portable forest fire high pressure pump.
[0005] To achieve the above object, the technical scheme adopted by the present application is as follows: a portable forest fire high pressure pump, comprising an outer frame, a support is fixedly installed on the inner bottom surface of the outer frame, a pump shell is fixedly installed at the front end of the support, an impeller disc is arranged in the pump shell, four main impeller blades are arranged in an annular array at the front end of the impeller disc, a pull tab ring is slidingly installed at the rear end of the impeller disc, four auxiliary impeller blades are inlaid in an annular array at the front end of the pull tab ring, the auxiliary impeller blades are arranged in a staggered manner with the main impeller blades, the auxiliary impeller blades pass through the rear end of the impeller disc to the front end surface of the impeller disc, the auxiliary impeller blades are slidingly matched with the impeller disc, a T-shaped column extends from the middle of the rear end of the impeller disc, elastic mounting convex hat columns pass through the upper and lower ends of the T-shaped column, pull tab balls are fixedly installed on the opposite surfaces of the two convex hat columns, positioning caps are coaxially inlaid on the outer surfaces of the convex hat columns close to the edges, Z-shaped frames extend from the outer surfaces of the positioning caps, pull tab frames are rotatably connected between the Z-shaped frames and the pull tab ring, a drive shaft is rotatably installed in the support, the drive shaft passes through the front and rear ends of the support, the front end of the drive shaft passes through the inside of the pump shell and is connected with the impeller disc, and a control member is arranged at the rear end of the support.
[0006] Preferably, a disc shell is fixedly installed on the outer surface of the impeller disc, the disc shell covers the outer sides of the pull tab balls and the pull tab ring, the end of the disc shell is attached to the outer surface of the drive shaft, the front end surface of the drive shaft is on the rear end of the T-shaped column, the end of the disc shell is screwed with a fixed bolt, and the fixed bolt passes through the outer surface of the drive shaft.
[0007] Preferably, the rear end of the impeller disc is symmetrically fixed with two guide posts, the dial ring is slidingly installed on the outer surface of the guide posts, the outer side of the convex cap column is wound with a return spring, and the two ends of the return spring are fixed with the end of the convex cap column and the inner wall of the T-shaped column respectively.
[0008] Preferably, the side of the support is fixed with a motor, a synchronous belt is connected between the output end of the motor and the outer surface of the driving shaft through a belt wheel, the synchronous belt penetrates out from the side of the support, and the lower part of the support is provided with a battery.
[0009] Preferably, the control part comprises two guide claws symmetrically slidingly installed in the middle part of the rear end of the support, a connecting ring is embedded between the opposite ends of the two guide claws, a convex rib rod is slidingly installed in the inner part of the driving shaft coaxially, the connecting ring is rotationally installed on the outer surface of the convex rib rod, the front end surface of the convex rib rod extends a blocking column coaxially, the blocking column penetrates out from the front end of the driving shaft and penetrates into the inner part of the T-shaped column, the blocking column is slidingly matched with the driving shaft and the T-shaped column, the opposite surfaces of the two convex cap columns respectively extend a concave lock seat and a T-shaped lock seat, the T-shaped lock seat is inserted into the inner part of the concave lock seat, and the blocking column is inserted between the T-shaped lock seat and the concave lock seat.
[0010] Preferably, the side between the two guide claws is fixed with a dial lever frame, the rear end of the support is rotationally installed with an adjusting stud near the edge, the outer surface of the adjusting stud is screwed with a pushing screw sleeve, and a top frame is rotationally installed between the middle part of the pushing screw sleeve and the dial lever frame.
[0011] Preferably, the outer surface of the guide claw is slidingly installed with a guide frame, and the end of the guide frame is fixed with the support.
[0012] Preferably, the front and rear of the connecting ring are fixed with top rings, the top rings are located on the outer side of the convex rib rod, the rear end of the convex rib rod is symmetrically embedded with two convex rings, the two top rings are located between the two convex rings, the opposite surfaces of the two top rings are annularly arranged with a plurality of rollers, and the rollers are attached to the convex rings.
[0013] Compared with the prior art, the present application has the following beneficial effects:
[0014] 1. When the driving shaft drives the main impeller blades on the impeller disc to rotate, the dial ball moves outward under the action of centrifugal force, thereby driving the convex cap column to slide outward in the T-shaped column. At this time, the convex cap column sliding outward drives the dial lever frame to move, thereby pushing the dial ring, so that the auxiliary impeller blades on the dial ring can extend from the front end of the impeller disc and keep flush with the main impeller blades, thereby adjusting the number of blades on the impeller disc and adjusting the lift size to meet the required use.
[0015] 2, by the external adjusting screw post is rotated, to drive the push sleeve movement, and then drive the top frame movement, to the dial lever frame on the connecting ring is pushed, make connecting ring back, to the convex rib rod back dial, and then drive the convex rib rod end of the blocking column back, make blocking column slip between T-shaped lock seat and concave lock seat, let T-shaped lock seat and concave lock seat can be active under the lock of blocking column, so that the dial piece ball under the centrifugal force of the add holding moves outward, let the vice vane piece can be extended, otherwise, reverse rotation adjusting screw post, can make blocking column slip into T-shaped lock seat and concave lock seat between, let the vice vane piece can not be extended, so as to adjust the number of vane disc blades from the outside of high pressure pump, without disassembling high pressure pump, simple operation, effectively convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a portable forest fire high pressure pump structure schematic view of the present application;
[0017] Figure 2 It is another view schematic diagram of the present application of a portable forest fire high pressure pump;
[0018] Figure 3 It is a motor place schematic diagram of the present application of a portable forest fire high pressure pump;
[0019] Figure 4 It is a vane disc place schematic diagram of the present application of a portable forest fire high pressure pump;
[0020] Figure 5 It is a dial lever frame place schematic diagram of the present application of a portable forest fire high pressure pump;
[0021] Figure 6 It is a top ring place schematic diagram of the present application of a portable forest fire high pressure pump;
[0022] Figure 7 It is a disc shell inside view of the present application of a portable forest fire high pressure pump;
[0023] Figure 8 It is a portable forest fire high pressure pump of the present application Figure 7 The enlarged view of A.
[0024] In the figure: 1, outer frame; 2, support; 3, pump shell; 4, impeller disc; 5, motor; 6, lever frame; 7, main impeller blade; 8, auxiliary impeller blade; 9, lever ring; 10, guide column; 11, lever ball; 12, disc shell; 13, blocking column; 14, convex rib rod; 15, drive shaft; 16, synchronous belt; 17, T-shaped column; 18, adjusting stud; 19, push screw; 20, top frame; 21, battery; 22, guide claw; 23, connecting ring; 24, top ring; 25, guide frame; 26, convex ring; 27, roller; 28, lever frame; 29, Z-shaped frame; 30, concave lock seat; 31, T-shaped lock seat; 32, fixing bolt; 33, convex cap column; 34, reset spring; 35, positioning cap. DETAILED DESCRIPTION
[0025] The following description is presented to enable any person skilled in the art to practice the application as claimed. Preferred embodiments are presented in the following description only as examples and modifications to the preferred embodiments can occur to those skilled in the art upon reading and understanding the present disclosure.
[0026] As Figures 1-8The portable forest fire high-pressure pump shown comprises an outer frame 1, a support 2 is fixedly installed on the inner bottom surface of the outer frame 1, the outer frame 1 can be conveniently grabbed to facilitate carrying, a pump shell 3 is fixedly installed at the front end of the support 2, the support 2 serves to bear the pump shell 3 and a driving shaft 15, an impeller disc 4 is arranged in the pump shell 3, four main impeller blades 7 are arranged in an annular array at the front end of the impeller disc 4, the impeller disc 4 serves to bear the main impeller blades 7, a paddle ring 9 is slidingly installed at the rear end of the impeller disc 4, four auxiliary impeller blades 8 are inlaid in an annular array at the front end of the paddle ring 9, the paddle ring 9 serves to bear the auxiliary impeller blades 8, the auxiliary impeller blades 8 are arranged in a staggered manner with the main impeller blades 7, when the auxiliary impeller blades 8 are extended, the auxiliary impeller blades 8 and the main impeller blades 7 are uniformly distributed to ensure use, the auxiliary impeller blades 8 extend from the rear end of the impeller disc 4 to the front end surface of the impeller disc 4, the auxiliary impeller blades 8 are slidingly connected with the impeller disc 4, a T-shaped column 17 extends from the rear end of the impeller disc 4, the upper and lower ends of the T-shaped column 17 are both elastically installed through a convex cap column 33, the T-shaped column 17 serves to bear and guide the convex cap column 33, the opposite surfaces of the two convex cap columns 33 are both fixedly installed through a paddle ball 11, the paddle ball 11 can drive the convex cap column 33 to move under centrifugal force, a positioning cap 35 is coaxially inlaid on the outer surface of the convex cap column 33 close to the edge, the positioning cap 35 serves to strengthen positioning of the convex cap column 33 when reset, a Z-shaped frame 29 extends from the outer surface of the positioning cap 35, a paddle frame 28 is rotatably connected between the Z-shaped frame 29 and the paddle ring 9, when the Z-shaped frame 29 moves outwardly to drive the paddle frame 28 to move, the Z-shaped frame 29 can push the paddle ring 9 in the direction of the impeller disc 4, after the auxiliary impeller blades 8 are extended from the front end of the impeller disc 4 by the movement of the paddle ring 9, the paddle ring 9 will be on the impeller disc 4, so that the auxiliary impeller blades 8 and the main impeller blades 7 are kept flush, a driving shaft 15 is rotatably installed in the support 2, the two ends of the driving shaft 15 extend out of the front and rear ends of the support 2, the front end of the driving shaft 15 extends into the pump shell 3 and is connected with the impeller disc 4, the driving shaft 15 serves to drive the impeller disc 4 to rotate, and a control member is arranged at the rear end of the support 2.
[0027] A disc shell 12 is fixedly installed on the outer surface of the impeller disc 4, the disc shell 12 covers the outside of the paddle ball 11 and the paddle ring 9, the end of the disc shell 12 is attached to the outer surface of the driving shaft 15, on one hand, the disc shell 12 serves to cover the paddle ball 11 and the paddle ring 9, and on the other hand, the disc shell 12 serves to fix the impeller disc 4 and the driving shaft 15 together, the front end surface of the driving shaft 15 is on the rear end of the T-shaped column 17, the end of the disc shell 12 is screwed through a fixing bolt 32, the fixing bolt 32 extends through the outer surface of the driving shaft 15, and the fixing bolt 32 serves to fix the disc shell 12 and the driving shaft 15 together.
[0028] The rear end of the impeller disc 4 is symmetrically fixed with two guide columns 10, the dial ring 9 is slidingly installed on the outer surface of the guide column 10, the guide column 10 plays a guiding role on the dial ring 9, the outer side of the convex cap column 33 is wound with a return spring 34, the two ends of the return spring 34 are fixed with the end of the convex cap column 33 and the inner wall of the T-shaped column 17 respectively, when stopping rotating, the return spring 34 will push the outward convex cap column 33 to reset, and the concave lock seat 30 and the T-shaped lock seat 31 on the opposite surface of the two convex cap columns 33 are recombined together to wait to be locked by the blocking column 13.
[0029] The side of the support 2 is fixed with a motor 5, the output end of the motor 5 is connected with the outer surface of the driving shaft 15 through a belt 16, the motor 5 works through the belt 16 to drive the driving shaft 15 to rotate, and then drives the main impeller blade 7 on the impeller disc 4 to rotate to generate centrifugal force to pressurize the fluid, the belt 16 penetrates out from the side of the support 2, and the lower part of the support 2 is provided with a battery 21 which plays a power supply role.
[0030] The control part includes two guide claws 22 which are symmetrically slidingly installed in the middle of the rear end of the support 2, the opposite ends of the two guide claws 22 are embedded with a connecting ring 23, the guide claw 22 plays a role of bearing and guiding the connecting ring 23, the inside of the driving shaft 15 is coaxially slidingly installed with a convex rib rod 14, the convex rib on the convex rib rod 14 is designed to synchronize the rotation of the convex rib rod 14 and the driving shaft 15, the convex rib rod 14 penetrates out from the rear end of the driving shaft 15, the connecting ring 23 is rotationally installed on the outer surface of the convex rib rod 14, the connecting ring 23 plays a role of pushing the convex rib rod 14, the front end of the convex rib rod 14 extends coaxially with a blocking column 13, the blocking column 13 penetrates out from the front end of the driving shaft 15 and penetrates into the inside of the T-shaped column 17, the blocking column 13 is slidingly matched with the driving shaft 15 and the T-shaped column 17, the opposite surfaces of the two convex cap columns 33 respectively extend with a concave lock seat 30 and a T-shaped lock seat 31, the blocking column 13 plays a role of fixing the concave lock seat 30 and the T-shaped lock seat 31 together, the T-shaped lock seat 31 is inserted into the inside of the concave lock seat 30, and the blocking column 13 is inserted between the T-shaped lock seat 31 and the concave lock seat 30.
[0031] The side of the two guide claws 22 is fixed with a dial lever frame 6, the dial lever frame 6 plays a role of bearing the guide claw 22, the rear end of the support 2 is rotationally installed with an adjusting stud 18 near the edge, the outer surface of the adjusting stud 18 is screwed with a pushing nut 19, the pushing nut 19 and the middle part of the dial lever frame 6 are rotationally installed with a top frame 20, the adjusting stud 18 rotationally drives the pushing nut 19 to move, and then drives the top frame 20 to move, so as to push the connecting ring 23 on the dial lever frame 6, and make the connecting ring 23 move backward to push the convex rib rod 14 backward.
[0032] The outer surface of the guide claw 22 is slidingly mounted with a guide frame 25, the end of the guide frame 25 is fixed with the support 2, the guide frame 25 plays a role of sliding for the guide claw 22.
[0033] The front and back of the connecting ring 23 is fixedly mounted with a top ring 24, the top ring 24 is located outside the convex rib rod 14, the rear end of the convex rib rod 14 is symmetrically embedded with two convex rings 26, the two top rings 24 are located between the two convex rings 26, the cooperation between the top ring 24 and the convex ring 26 can strengthen the pushing force of the connecting ring 23 to the convex rib rod 14, the opposite surface of the two top rings 24 is annularly arranged with a plurality of rollers 27, the rollers 27 are attached to the convex ring 26, and the rollers 27 can reduce the wear between the top ring 24 and the convex ring 26.
[0034] In use, the motor 5 works through the synchronous belt 16 to drive the driving shaft 15 to rotate, and then drives the main impeller blade 7 on the impeller disc 4 to rotate to generate centrifugal force to pressurize the fluid, when the lift size of the high-pressure pump needs to be adjusted, the external adjusting stud 18 can be rotated to drive the push sleeve 19 to move, and then drive the top frame 20 to move to push the connecting ring 23 on the push rod frame 6, so that the connecting ring 23 moves backward to push the convex rib rod 14 backward, and then drive the blocking column 13 at the end of the convex rib rod 14 to move backward, so that the blocking column 13 slides away from between the T-shaped lock seat 31 and the concave lock seat 30, so that the T-shaped lock seat 31 and the concave lock seat 30 can move under the unlocking of the blocking column 13, then the motor 5 works through the synchronous belt 16 to drive the driving shaft 15 to rotate, and then drives the main impeller blade 7 on the impeller disc 4 to rotate, at this time, since the T-shaped lock seat 31 and the concave lock seat 30 lose the locking of the blocking column 13, the push piece ball 11 will move outward under the action of the centrifugal force, and then drive the convex cap column 33 to slide outward in the T-shaped column 17, at this time, the convex cap column 33 sliding outward will drive the push piece frame 28 to move to push the push piece ring 9, so that the secondary impeller blade 8 on the push piece ring 9 can extend from the front end of the impeller disc 4 and keep flush with the main impeller blade 7, so as to adjust the number of blades on the impeller disc 4, thereby adjusting the lift size to meet the use requirements.
[0035] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.
Claims
1. A portable forest fire-fighting high-pressure pump, comprising an outer frame (1), characterized in that: A support (2) is fixedly installed on the inner bottom surface of the outer frame (1). A pump casing (3) is fixedly installed at the front end of the support (2). An impeller disk (4) is provided inside the pump casing (3). Four main impeller blades (7) extend from the front end of the impeller disk (4) in a ring array. A deflector ring (9) is slidably installed at the rear end of the impeller disk (4). Four auxiliary impeller blades (8) are embedded in the front end of the deflector ring (9) in a ring array. The auxiliary impeller blades (8) are staggered from the main impeller blades (7). The auxiliary impeller blades (8) extend from the rear end of the impeller disk (4) to the front end face of the impeller disk (4). The auxiliary impeller blades (8) are slidably engaged with the impeller disk (4). A T-shaped column (17) extends from the middle of the rear end of the impeller disk (4). The upper and lower ends of the T-shaped column (17) are elastically fitted with convex cap columns (33). The opposite sides of the two convex cap columns (33) are fixedly fitted with paddle balls (11). The outer surface of the convex cap column (33) is coaxially inlaid with a positioning cap (35) near the edge. The outer surface of the positioning cap (35) extends with a Z-shaped frame (29). The Z-shaped frame (29) and the paddle ring (9) are rotatably connected with a paddle frame (28). The support (2) is rotatably fitted with a drive shaft (15). The two ends of the drive shaft (15) pass through the front and rear ends of the support (2). The front end of the drive shaft (15) passes through the inside of the pump casing (3) and is connected to the impeller disk (4). The rear end of the support (2) is provided with a control component.
2. The portable forest fire-fighting high-pressure pump according to claim 1, characterized in that: The outer surface of the impeller disk (4) is fixedly mounted with a disk shell (12). The disk shell (12) covers the outside of the paddle ball (11) and paddle ring (9). The end of the disk shell (12) is attached to the outer surface of the drive shaft (15). The front end of the drive shaft (15) is abutted against the rear end of the T-shaped column (17). The end of the disk shell (12) is tightened with a fixing bolt (32). The fixing bolt (32) passes through the outer surface of the drive shaft (15).
3. The portable forest fire-fighting high-pressure pump according to claim 1, characterized in that: Two guide posts (10) are symmetrically fixed at the rear end of the impeller disk (4). The paddle ring (9) is slidably installed on the outer surface of the guide post (10). A return spring (34) is wound around the outer side of the convex cap post (33). The two ends of the return spring (34) are fixed to the end of the convex cap post (33) and the inner wall of the T-shaped post (17), respectively.
4. A portable forest fire-fighting high-pressure pump according to claim 1, characterized in that: A motor (5) is fixedly installed on the side of the support (2). The output end of the motor (5) is connected to the outer surface of the drive shaft (15) by a synchronous belt (16) through a pulley. The synchronous belt (16) extends through the side of the support (2). A battery (21) is installed at the lower part of the support (2).
5. A portable forest fire-fighting high-pressure pump according to claim 1, characterized in that: The control component includes two guide claws (22) symmetrically slidably mounted on the middle of the rear end of the support (2). A connecting ring (23) is embedded between the opposite ends of the two guide claws (22). A convex rod (14) is slidably mounted coaxially inside the drive shaft (15). The convex rod (14) extends through the rear end of the drive shaft (15). The connecting ring (23) is rotatably mounted on the outer surface of the convex rod (14). A stop post (13) extends coaxially from the front end face of the convex rod (14). The stop post (13) extends from the front end of the drive shaft (15) and passes through the interior of the T-shaped post (17). The stop post (13) slides with the drive shaft (15) and the T-shaped post (17). The opposite surfaces of the two convex cap posts (33) extend concave lock seats (30) and T-shaped lock seats (31) respectively. The T-shaped lock seats (31) are inserted into the interior of the concave lock seats (30). The stop post (13) is inserted between the T-shaped lock seats (31) and the concave lock seats (30).
6. A portable forest fire-fighting high-pressure pump according to claim 5, characterized in that: A lever frame (6) is fixedly installed between the sides of the two guide claws (22). An adjusting stud (18) is rotatably installed near the edge of the rear end of the support (2). A push screw sleeve (19) is screwed onto the outer surface of the adjusting stud (18). A top frame (20) is rotatably installed between the push screw sleeve (19) and the middle of the lever frame (6).
7. A portable forest fire-fighting high-pressure pump according to claim 5, characterized in that: The outer surface of the guide claw (22) is slidably mounted with a guide frame (25), and the end of the guide frame (25) is fixed to the support (2).
8. A portable forest fire-fighting high-pressure pump according to claim 5, characterized in that: Top rings (24) are fixedly installed at both the front and rear sides of the connecting ring (23). The top rings (24) are located on the outside of the convex rod (14). Two convex rings (26) are symmetrically inlaid at the rear end of the convex rod (14). The two top rings (24) are located between the two convex rings (26). Multiple rollers (27) are arranged in a circular array on the opposite sides of the two top rings (24). The rollers (27) are attached to the convex rings (26).
Citation Information
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