CN220667839U - Hand-held pump, water outlet structure thereof and water inlet mechanism - Google Patents

Abstract

The utility model relates to a hand-held pump, a water outlet structure and a water inlet mechanism thereof, which comprise a handle for holding; a tube body through which a fluid is received in the hollow; the pipe body is provided with an adapter which is used for discharging fluid; at least part of the tube body extends into the handle and is connected with the handle; the adapter comprises a water inlet and a water outlet, and the water inlet is arranged in the pipe body and faces the direction away from the handle; the water outlet is communicated with the outside, and the water outlet is positioned below the handle. The handheld pump, the water outlet structure and the water inlet mechanism thereof have the following advantages: the main sealing position of the general hand-held pump is between the pipe body and the handle, the sealing range is large, the sealing is difficult, the adapter is designed, the main sealing position is changed into the sealing between the pipe body and the adapter, the sealing range and the sealing difficulty are reduced, the movement direction of fluid is changed, and the liquid is discharged conveniently.

Description

Hand-held pump, water outlet structure thereof and water inlet mechanism

Technical Field

The utility model relates to the technical field of pumps, in particular to a handheld pump, a water outlet structure and a water inlet mechanism thereof.

Background

In the prior art, a hand-held pump generally includes a tube, a pump body and a handle disposed at both ends of the tube, and the pump body conveys liquid from one end of the tube to the other end of the tube and then discharges the liquid from the handle. However, the water outlet of the hand-held pump is arranged in the handle, and the handle is connected with the pipe, so that sealing treatment is needed between the handle and the pipe, the sealing area is large, the cost is high, and the assembly difficulty is high.

Disclosure of Invention

An object of the application is to provide a handheld pump and go out water structure, mechanism of intaking thereof, reduce the sealed requirement of handle, convenient equipment improves production efficiency.

Another object of the present application is to provide a hand pump, a water outlet structure and a water inlet mechanism thereof, which are simple in structure.

The technical scheme that this application adopted is: a water outlet structure of a hand-held pump comprises

A handle for holding;

a tube body through which a fluid is received in the hollow; the pipe body is provided with an adapter which is used for discharging fluid; at least part of the tube body extends into the handle and is connected with the handle;

the adapter comprises a water inlet and a water outlet, and the water inlet is arranged in the pipe body and faces the direction away from the handle; the water outlet is communicated with the outside, and the water outlet is positioned below the handle.

Compared with the prior art, the utility model has the advantages that its main sealing position of general hand pump lies in between body and the handle, needs sealed scope big, sealing difficulty, and this application adopts the design of adapter, changes main sealing position into the sealed between body and the adapter, has reduced sealed scope and sealed degree of difficulty, has changed fluidic direction of motion simultaneously, the discharge of the liquid of being convenient for, and the delivery port setting is in the handle below, and fluid just also can not get into handle position for the weeping takes place the point outside the handle, has reduced the sealing requirement of handle, has made things convenient for the equipment of handle and body.

In some embodiments of the present application, the tube body is provided with a notch for accommodating the insertion of the adapter; a first sealing piece is arranged between the adapter and the pipe body.

Further, a reinforcing pipe is arranged on the adapter and is arranged in the pipe body; the reinforcing pipe and the adapter are integrally formed; the reinforcing tube is hollow.

Further, a boss is arranged on the outer surface of the reinforced pipe and is abutted with the inner surface of the pipe body; the outer surface of part of the reinforcing pipe is matched with the notch.

Further, a first fixing hole and a second fixing hole are respectively formed in the reinforcing pipe and the pipe body, the handle comprises a left shell and a right shell, fixing columns matched with the first fixing hole and the second fixing hole are respectively arranged on the left shell and the right shell, and the fixing columns penetrate through the first fixing hole and the second fixing hole; one of the left shell or the right shell is provided with a mounting column, the other one is provided with a mounting hole, and the mounting column is connected with the mounting hole through a bolt.

Further, the adapter is provided with a wire hole, and the wire hole faces the handle; the outlet of the wire hole is arranged in the reinforcing pipe.

A water inlet structure of a hand-held pump comprises a motor, an inner shell and an outer shell, wherein the inner shell is arranged around the motor, and the outer shell is arranged around the inner shell; a rising channel is formed between the inner shell and the outer shell; a filter component is arranged below the shell and covers the inlet of the ascending channel; the filter assembly comprises a top wall, a side wall and a bottom wall, wherein the top wall is connected with the top end of the side wall, and the top wall is recessed downwards to form a funnel-shaped containing cavity; the bottom wall is connected with the bottom end of the side wall, and is provided with a water inlet; a water inlet channel is formed between the top wall and the inner shell and is communicated with the rising channel; an opening is arranged on the top wall; the output end of the motor is provided with a pump blade which is arranged in the accommodating cavity.

In some embodiments of the present application, the side wall and the bottom wall are integrally formed, the side wall being detachable from the top wall; the side wall is provided with a filtering hole which extends to the bottom wall

The handheld pump comprises the handheld pump water outlet structure and the handheld pump water inlet structure, wherein one end of the pipe body, which is far away from the handle, is provided with a pressing ring protruding outwards; the shell is provided with a pressing sleeve which is sleeved on the shell and is in threaded connection with the shell; the pressing sleeve is provided with a pressing plate, the pressing plate is arranged right above the pressing ring, and the pressing plate is abutted with the pressing ring in a state that the pressing sleeve is screwed.

In some embodiments of the present application, a connecting pipe is arranged at the top of the shell, and the connecting pipe is arranged in the pipe body in a penetrating way; a second sealing piece is arranged between the compression ring and the shell; a battery and a control board are arranged in the handle, and a switch is arranged on the handle; the battery, the switch and the motor are electrically connected with the control board; the battery is detachable.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is an exploded view of the structure of embodiment 1 of the present utility model;

FIG. 3 is a cross-sectional view of embodiment 1 of the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 3;

FIG. 5 is a schematic structural view of an adapter according to embodiment 1 of the present utility model;

FIG. 6 is a bottom view of the adapter of embodiment 1 of the present utility model;

FIG. 7 is a schematic view of the structure of embodiment 2 of the present utility model;

FIG. 8 is a cross-sectional view of embodiment 2 of the present utility model;

fig. 9 is a schematic structural view of the upper half part of embodiment 3 of the present utility model;

fig. 10 is a structural exploded view of the upper half of embodiment 3 of the present utility model;

fig. 11 is a schematic structural view of the lower half part of embodiment 3 of the present utility model;

FIG. 12 is a cross-sectional view of the lower half of embodiment 3 of the present utility model;

fig. 13 is an enlarged view of a portion B in fig. 12.

In the figure: 1. a handle; 2. a tube body; 3. an adapter; 4. a water inlet; 5. a water outlet; 6. a notch; 7. a first seal; 8. a reinforcing tube; 9. a boss; 10.1, a first fixing hole; 10.2, a second fixing hole; 11. a left housing; 12. a right housing; 13. fixing the column; 14. a mounting column; 15. a mounting hole; 16. a wire hole; 17. a motor; 18. an inner case; 19. a housing; 20. a rising channel; 21. a filter assembly; 22. a top wall; 23. a sidewall; 24. a bottom wall; 25. a cavity; 26. a water inlet hole; 27. a water inlet channel; 28. an opening; 29. pump leaves; 30. a filter hole; 31. a compression ring; 32. a connecting pipe; 33. pressing the sleeve; 34. a pressing plate; 35. a second seal; 36. a battery; 37. a control board; 38. and (3) a switch.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1:

the water outlet structure of the hand-held pump provided in this embodiment, as shown in fig. 1 and 3, includes

A handle 1 for gripping;

a tube body 2, wherein the tube body 2 is hollow to accommodate the passage of fluid; the pipe body 2 is provided with an adapter 3, and the adapter 3 is used for discharging fluid; at least part of the tube body 2 extends into the handle 1 and is connected with the handle 1;

the adapter 3 comprises a water inlet 4 and a water outlet 5, and the water inlet 4 is arranged in the pipe body 2 and faces away from the handle 1; the water outlet 5 is communicated with the outside, and the water outlet 5 is positioned below the handle 1.

The main sealing position of the general hand-held pump is between the pipe body 2 and the handle 1, the sealing range is large, the sealing is difficult, the adapter 3 is designed, the main sealing position is changed into the sealing between the pipe body 2 and the adapter 3, the sealing range and the sealing difficulty are reduced, meanwhile, the moving direction of fluid is changed, the liquid is conveniently discharged, the water outlet 5 is arranged below the handle 1, the fluid cannot enter the handle 1, the water leakage occurrence point is outside the handle 1, the sealing requirement of the handle 1 is reduced, and the assembly of the handle 1 and the pipe body 2 is facilitated.

In order to facilitate the installation of the adapter 3, as shown in fig. 2, the tube 2 is provided with a notch 6 for accommodating the insertion of the adapter 3. The design of the notch 6 facilitates the insertion of the adapter 3 and the connection of the adapter 3 and the pipe body 2.

In order to improve the sealing performance, as shown in fig. 4, a first sealing member 7 is provided between the adapter 3 and the pipe body 2. The design of the first sealing piece 7 strengthens the sealing between the adapter 3 and the pipe body 2, and can effectively prevent liquid from leaking from the joint of the adapter 3 and the pipe body 2. In this embodiment, the first seal 7 is an O-ring.

In order to improve the strength of the pipe body 2, as shown in fig. 5, the adaptor 3 is provided with a reinforcing pipe 8, and the reinforcing pipe 8 is disposed in the pipe body 2. The strength of the pipe body 2 can be enhanced by the design of the reinforcing pipe 8.

In order to increase the structural strength, the reinforcing tube 8 is integrally formed with the adapter 3. The reinforcing pipe 8 and the adapter 3 are integrally formed, and the reinforcing pipe and the adapter are integrated, so that the installation is more convenient, and the integral strength is high.

To save material, the stiffening tube 8 is hollow. The hollow reinforcing pipe 8 can save manufacturing materials and reduce weight.

In order to facilitate the insertion of the reinforcing tube 8, a boss 9 is provided on the outer surface of the reinforcing tube 8, and the boss 9 abuts against the inner surface of the tube body 2. The design of the boss 9 reduces the contact area between the reinforcing pipe 8 and the pipe body 2, so that the reinforcing pipe 8 is inserted more labor-saving.

For aesthetic purposes, the outer surface of the partially reinforced tube 8 cooperates with the notch 6. The notch 6 is filled with part of the reinforcing pipe 8, the outer surface of the pipe body 2 is filled, the strength of the notch 6 of the pipe body 2 is improved, and the appearance is more attractive.

For the adapter 3 to be fixed reliably, be equipped with first fixed orifices 10.1 and second fixed orifices 10.2 on strengthening pipe 8 and the body 2 respectively, handle 1 includes left casing 11 and right casing 12, all is equipped with on left casing 11 and the right casing 12 with first fixed orifices 10.1 and second fixed orifices 10.2 complex fixed column 13, fixed column 13 wears to establish on first fixed orifices 10.1 and second fixed orifices 10.2. The first fixing hole 10.1 and the second fixing hole 10.2 are matched with the fixing column 13, so that the installation positions of the reinforcing pipe 8 and the pipe body 2 are fixed, the reinforcing pipe 8 is prevented from moving after being installed, meanwhile, the installation positions of the left shell 11 and the right shell 12 and the pipe body 2 are fixed, the installation and the positioning of the left shell 11 and the right shell 12 are facilitated, and the left shell 11 and the right shell 12 are designed to be convenient to assemble and disassemble.

For reliable fixing of the housing, one of the left housing 11 and the right housing 12 is provided with a mounting post 14, the other is provided with a mounting hole 15, and the mounting post 14 is connected with the mounting hole 15 through a bolt. The mounting posts 14 and mounting holes 15 are provided at the edges of the housing. The mounting column 14 and the mounting hole 15 are matched, so that the bolts are positioned and fixed conveniently, and the bolts are arranged at the edges of the shells, so that the shells are connected firmly, and the gaps at the joints are small.

In order to facilitate the routing, as shown in fig. 6, the adaptor 3 is provided with a wire hole 16, and the wire hole 16 faces the handle 1. The design of the wire holes 16 facilitates the routing of the wires.

To facilitate the wire outlet, the outlet of the wire hole 16 is provided in the reinforcing tube 8. The wire hole 16 is plugged with a material such as resin after the wire is taken out.

Example 2:

the water inlet mechanism of the hand-held pump provided by the embodiment comprises a motor 17, an inner shell 18 and an outer shell 19, wherein the inner shell 18 is arranged around the motor 17, and the outer shell 19 is arranged around the inner shell 18 as shown in fig. 7 and 8; a rising channel 20 is formed between the inner shell 18 and the outer shell 19; a filter assembly 21 is arranged below the shell 19, and the filter assembly 21 covers the inlet of the ascending channel 20; the filter assembly 21 comprises a top wall 22, a side wall 23 and a bottom wall 24, wherein the top wall 22 is connected with the top end of the side wall 23, and the top wall 22 is recessed downwards to form a funnel-shaped containing cavity 25; the bottom wall 24 is connected with the bottom end of the side wall 23, and the bottom wall 24 is provided with a water inlet hole 26; a water inlet channel 27 is formed between the top wall 22 and the inner shell 18, and the water inlet channel 27 is communicated with the rising channel 20; the top wall 22 is provided with an opening 28; the output end of the motor 17 is provided with a pump blade 29, and the pump blade 29 is arranged in the accommodating cavity 25. In this embodiment, the pump blade 29 is an impingement pump blade. The inner shell 18 is used for surrounding the motor 17 and blocking liquid, preventing the motor 17 from being in short circuit with the liquid contact, the outer shell 19 is used for protecting the outer side and forming a liquid channel with the inner shell 18, the filter assembly 21 is used for blocking impurities, the funnel-shaped containing cavity 25 is designed so that the wall surface of the funnel-shaped containing cavity is an inclined surface, the distance gap between the funnel-shaped containing cavity and the pump blades 29 is small, the lifting effect on the liquid is good, and the opening 28 is used for allowing the liquid to pass through the top wall 22. In use, liquid enters from the water inlet 26, enters the cavity 25 between the bottom wall 24 and the top wall 22 through the opening 28, is lifted by the pump vane 29, and enters the rising channel 20 upwards along the water inlet channel 27.

For ease of cleaning, the side wall 23 and the bottom wall 24 are integrally formed, the side wall 23 being removable from the top wall 22. After long-time use, the inlet opening 26 can be plugged by impurities in the liquid, and the whole filter assembly 21 is generally required to be disassembled when the filter assembly is cleaned, at this time, the pump blade 29 can be exposed outside, a certain potential safety hazard exists, and the side wall 23 is designed to be detachable, so that when the side wall 23 is disassembled for cleaning, the top wall 22 still covers the outside of the pump blade 29, thereby playing an isolated role and improving the safety.

To increase the water inlet efficiency, the side wall 23 is provided with a filter hole 30, and the filter hole 30 extends to the bottom wall 24. The design of the filter holes 30 facilitates the lateral entry of liquid to the bottom wall 24, which increases the lateral entry flow rate.

Example 3:

the hand-held pump provided in this embodiment, as shown in fig. 9, 11, 12 and 13, includes the above-mentioned hand-held pump water outlet structure and hand-held pump water inlet structure, and one end of the pipe body 2 far away from the handle 1 is provided with an outwardly protruding compression ring 31; the shell 19 is provided with a pressing sleeve 33, and the pressing sleeve 33 is sleeved on the shell 19 and is in threaded connection with the shell 19; the press sleeve 33 is provided with a press plate 34, the press plate 34 is arranged right above the press ring 31, and the press plate 34 is abutted against the press ring 31 in a state that the press sleeve 33 is tightly screwed. The design of the compression ring 31 increases the contact area between the pipe body 2 and the shell 19, the abutting is more reliable, the strength of the tail end of the pipe body 2 is enhanced, and the deformation of the pipe orifice of the pipe body 2 is prevented; the design of the pressing sleeve 33 ensures that the pressing sleeve 33 can be screwed tightly to drive the pressing plate 34 to downwards press the pressing ring 31, so that the pipe body 2 and the shell 19 are firmly connected, and the tightness is improved. When dismantling, traditional product is motor part and body 2 dismantlement need rotate motor part usually, and it is comparatively laborious to dismantle, and this handheld pump dismantles only needs unscrew press sleeve 33 just can separate body 2, dismantles convenient laborsaving.

In order to improve the strength of the joint, a connecting pipe 32 is arranged at the top of the shell 19, and the connecting pipe 32 is arranged in the pipe body 2 in a penetrating way. The connecting pipe 32 is installed with the body 2 in a matched mode, the installation is convenient, and the connecting pipe 32 penetrates through the body 2 to further strengthen the strength of the body 2, so that the connection between the connecting pipe and the body 2 is firmer.

In order to improve the tightness, a second seal 35 is provided between the pressure ring 31 and the housing 19. The design of the second sealing member 35 improves the sealing performance between the compression ring 31 and the housing 19, and prevents liquid from leaking from the joint of the compression ring 31 and the housing.

For easy control, as shown in fig. 10, a battery 36 and a control board 37 are provided in the handle 1, and a switch 38 is provided on the handle 1, and the battery 36, the switch 38 and the motor 17 are electrically connected to the control board 37. The battery 36 and the control board 37 are arranged in the handle 1, the protection effect on the battery 36 and the control board 37 is good, and the switch 38 is arranged on the outer surface of the handle 1, so that the switch 38 is convenient to use.

To facilitate better battery 36, battery 36 may be removable. The detachable battery 36 is designed, so that the battery 36 is convenient to replace, and the battery 36 is convenient to detach and charge after no electricity is generated.

In this embodiment, the second sealing member 35 is a gasket, and the battery 36 is a plug-in type.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (10)

1. The utility model provides a hand-held pump goes out water structure which characterized in that includes

A handle (1) for gripping;

the pipe body (2), the hollow of pipe body (2) holds the fluid and passes; the pipe body (2) is provided with an adapter (3), and the adapter (3) is used for discharging fluid; at least part of the tube body (2) stretches into the handle (1) and is connected with the handle (1);

the adapter (3) comprises a water inlet (4) and a water outlet (5), and the water inlet (4) is arranged in the pipe body (2) and faces away from the handle (1); the water outlet (5) is communicated with the outside, and the water outlet (5) is positioned below the handle (1).

2. A hand-held pump water outlet structure according to claim 1, wherein: a notch (6) for accommodating the insertion of the adapter (3) is formed in the pipe body (2); a first sealing piece (7) is arranged between the adapter (3) and the pipe body (2).

3. A hand-held pump water outlet structure according to claim 2, wherein: the adapter (3) is provided with a reinforcing pipe (8), and the reinforcing pipe (8) is arranged in the pipe body (2); the reinforcing pipe (8) and the adapter (3) are integrally formed; the reinforcing tube (8) is hollow.

4. A hand-held pump water outlet structure according to claim 3, wherein: a boss (9) is arranged on the outer surface of the reinforcing pipe (8), and the boss (9) is abutted with the inner surface of the pipe body (2); the outer surface of part of the reinforcing pipe (8) is matched with the notch (6).

5. A hand-held pump water outlet structure according to claim 3, wherein: the reinforced pipe (8) and the pipe body (2) are respectively provided with a first fixing hole (10.1) and a second fixing hole (10.2), the handle (1) comprises a left shell (11) and a right shell (12), the left shell (11) and the right shell (12) are respectively provided with a fixing column (13) matched with the first fixing hole (10.1) and the second fixing hole (10.2), and the fixing columns (13) are arranged on the first fixing hole (10.1) and the second fixing hole (10.2) in a penetrating mode; one of the left shell (11) or the right shell (12) is provided with a mounting column (14), the other is provided with a mounting hole (15), and the mounting column (14) is connected with the mounting hole (15) through a bolt.

6. A hand-held pump water outlet structure according to claim 3, wherein: the adapter (3) is provided with a wire hole (16), and the wire hole (16) faces the handle (1); the outlet of the wire hole (16) is arranged in the reinforcing tube (8).

7. The water inlet structure of the hand-held pump is characterized by comprising a motor (17), an inner shell (18) and an outer shell (19), wherein the inner shell (18) is arranged around the motor (17), and the outer shell (19) is arranged around the inner shell (18); a rising channel (20) is formed between the inner shell (18) and the outer shell (19); a filter assembly (21) is arranged below the shell (19), and the filter assembly (21) covers the inlet of the ascending channel (20); the filter assembly (21) comprises a top wall (22), a side wall (23) and a bottom wall (24), wherein the top wall (22) is connected with the top end of the side wall (23), and the top wall (22) is recessed downwards to form a funnel-shaped containing cavity (25); the bottom wall (24) is connected with the bottom end of the side wall (23), and the bottom wall (24) is provided with a water inlet hole (26); a water inlet channel (27) is formed between the top wall (22) and the inner shell (18), and the water inlet channel (27) is communicated with the rising channel (20); an opening (28) is arranged on the top wall (22); the output end of the motor (17) is provided with a pump blade (29), and the pump blade (29) is arranged in the accommodating cavity (25).

8. The hand-held pump water intake structure of claim 7, wherein: the side wall (23) and the bottom wall (24) are integrally formed, and the side wall (23) can be detached relative to the top wall (22); the side wall (23) is provided with a filter hole (30), and the filter hole (30) extends to the bottom wall (24).

9. A hand-held pump, characterized in that the hand-held pump comprises a hand-held pump water outlet structure according to any one of claims 1-6 and a hand-held pump water inlet structure according to any one of claims 7-8, and a pressing ring (31) protruding outwards is arranged at one end of the pipe body (2) far away from the handle (1); the shell (19) is provided with a pressing sleeve (33), and the pressing sleeve (33) is sleeved on the shell (19) and is in threaded connection with the shell (19); the pressing sleeve (33) is provided with a pressing plate (34), the pressing plate (34) is arranged right above the pressing ring (31), and the pressing plate (34) is abutted with the pressing ring (31) in a state that the pressing sleeve (33) is tightly screwed.

10. A hand-held pump according to claim 9, wherein: a connecting pipe (32) is arranged at the top of the shell (19), and the connecting pipe (32) is arranged in the pipe body (2) in a penetrating way; a second sealing piece (35) is arranged between the compression ring (31) and the shell (19); a battery (36) and a control board (37) are arranged in the handle (1), and a switch (38) is arranged on the handle (1); the battery (36), the switch (38) and the motor (17) are electrically connected with the control board (37); the battery (36) is detachable.