Portable forest fire fighting high-pressure pump

Abstract

The application relates to the field of pumps, in particular to a portable forest fire-fighting high-pressure pump which comprises 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 annularly arranged 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 annularly inlaid at the front end of the pull-tab ring, the auxiliary impeller blades are arranged in a staggered mode 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, and a T-shaped column extends from the middle of the rear end of the impeller disc. The pump can adjust the lift size, effectively meets the use requirement, the number of the blades of the impeller disc can be adjusted from the outside of the high-pressure pump, the high-pressure pump does not need to be disassembled, the operation is simple, and the use is effectively facilitated.

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, so as to adjust the number of blades on the impeller disc and thereby adjust the lift size to meet the required use.

[0015] 2, by the external adjusting screw post is rotated, to drive the push sleeve moves, 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 be employed by one skilled in the art without departing from the scope of the application.

[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: The inner bottom surface of the outer frame (1) is fixedly installed with a support (2), the front end of the support (2) is fixedly installed with a pump shell (3), the inside of the pump shell (3) is provided with an impeller disc (4), the front end of the impeller disc (4) is annularly arrayed with four main impeller blades (7), the rear end of the impeller disc (4) is slidingly installed with a paddle ring (9), the front end of the paddle ring (9) is annularly inlaid with four auxiliary impeller blades (8), the auxiliary impeller blades (8) are staggered with the main impeller blades (7), the auxiliary impeller blades (8) penetrate 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 matched with the impeller disc (4), the rear end of the impeller disc (4) is extended with a T-shaped column (17), the upper and lower ends of the T-shaped column (17) are both penetratingly and elastically installed with a convex cap column (33), the opposite surfaces of the two convex cap columns (33) are both fixedly installed with a paddle ball (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) is extended 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 inside of the support (2) is rotatably installed with a driving shaft (15), the two ends of the driving shaft (15) penetrate out of the front and rear ends of the support (2), the front end of the driving shaft (15) penetrates into the inside of the pump shell (3) and is connected with the impeller disc (4), and the rear end of the support (2) is provided with a control member.

2. The portable forest fire fighting high-pressure pump according to claim 1, characterized in that: The outer surface of the impeller disc (4) is fixedly installed with a disc shell (12), 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), 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 penetratingly and screw-tightly installed with a fixing bolt (32), and the fixing bolt (32) penetrates the outer surface of the driving shaft (15).

3. The portable forest fire fighting high pressure pump according to claim 1, characterized in that: The rear end of the impeller disc (4) is symmetrically fixedly installed with two guide columns (10), the paddle ring (9) is slidingly installed on the outer surface of the guide column (10), the outside of the convex cap column (33) is wound with a return spring (34), and the two ends of the return spring (34) are respectively fixed with the end of the convex cap column (33) and the inner wall of the T-shaped column (17).

4. The portable forest fire fighting high pressure pump according to claim 1, characterized in that: The side surface of the support (2) is fixedly installed with a motor (5), the output end of the motor (5) and the outer surface of the driving shaft (15) are connected with a synchronous belt (16) through a belt wheel, the synchronous belt (16) penetrates out of the side surface of the support (2), and the lower part of the support (2) is installed with a battery (21).

5. The portable forest fire fighting high pressure pump according to claim 1, characterized in that: The control piece comprises two guide claws (22) symmetrically slidingly installed in the middle of the rear end of the support (2), a connecting ring (23) inlaid between the opposite ends of the two guide claws (22), a convex rib rod (14) coaxially slidingly installed in the inside of the driving shaft (15), the convex rib rod (14) penetrating out from the rear end of the driving shaft (15), the connecting ring (23) rotationally installed on the outer surface of the convex rib rod (14), the front end surface of the convex rib rod (14) coaxially extending a blocking column (13), the blocking column (13) penetrating into the inside of the T-shaped column (17) and penetrating out from the front end of the driving shaft (15), the blocking column (13) slidingly matched with the driving shaft (15) and the T-shaped column (17), the opposite surfaces of the two convex cap columns (33) respectively extending a concave lock seat (30) and a T-shaped lock seat (31), the T-shaped lock seat (31) inserted into the inside of the concave lock seat (30), and the blocking column (13) inserted between the T-shaped lock seat (31) and the concave lock seat (30).

6. The portable forest fire fighting high pressure pump according to claim 5, characterized in that: The side surfaces of the two guide claws (22) are fixedly installed with a lever frame (6), 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 screw sleeve (19), and the middle part between the pushing screw sleeve (19) and the lever frame (6) is rotationally installed with a top frame (20).

7. The portable forest fire fighting high pressure pump according to claim 5, characterized in that: The outer surface of the guide claw (22) is slidingly installed with a guide frame (25), and the end of the guide frame (25) is fixed to the support (2).

8. The portable forest fire fighting high pressure pump according to claim 5, characterized in that: The front and rear of the connecting ring (23) are fixedly installed with top rings (24), the top rings (24) are located outside the convex rib rod (14), the rear end of the convex rib rod (14) is symmetrically inlaid with two convex rings (26), the two top rings (24) are located between the two convex rings (26), and the opposite surfaces of the two top rings (24) are annularly arranged with a plurality of rollers (27) which are attached to the convex rings (26).

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