CN215305449U - Opening and closing structure of dust collector main machine - Google Patents

Abstract

The utility model discloses an opening and closing structure of a dust collector main machine. It includes dirt cup, dust absorption motor, motor cover, handle components and storage battery, the dust absorption motor install in the motor cover, storage battery install in handle components's bottom, the front end of dirt cup and motor cover be connected, the rear end of motor cover is rotated with handle components's top rear end and is connected, the front end of motor cover is equipped with the fixture block, handle components on be equipped with fixture block assorted shift knob, the motor cover pass through fixture block and shift knob's cooperation and handle components joint, dirt cup and handle components's top front end joint. The utility model has the beneficial effects that: the dust cup has the advantages that the dust cup is opened and closed, the structure is simple, the operation is convenient, the later maintenance is facilitated, the reliability is greatly improved, the dust cup is convenient to mount and dismount, the dust collection effect is good, and the clamping effect is good.

Description

Opening and closing structure of dust collector main machine

Technical Field

The utility model relates to the technical field of dust collectors, in particular to an opening and closing structure of a main machine of a dust collector.

Background

The hand-held cleaner can remove dust, and is mainly characterized in that an electric exhaust fan is arranged at the head part of the hand-held cleaner. The rotating shaft of the exhaust fan is provided with an air impeller, after the air impeller is electrified, the exhaust fan can generate suction and pressure at the rotating speed of 500 circles per second, air is discharged at high speed under the action of the suction and the pressure, air in the dust suction part at the front end of the air fan continuously supplements the air in the air fan, so that instant vacuum is generated inside the dust collector, a negative pressure brush, a long connecting pipe, a bent pipe, a hose and a hose joint are formed by the air in the dust collector and the external atmospheric pressure to enter a dust filter bag, impurities such as dust are retained in the dust filter bag, and the air is purified by a filter disc and then is discharged from the tail part of the machine body. The hand-held dust collector can complete different cleaning works by matching with different parts, for example, the floor can be cleaned by matching with a floor brush, a sofa surface, a bed sheet, a curtain and the like can be cleaned by matching with a flat hairbrush, and dust at small corners and dust and dirt in some household appliances can be cleaned by matching with a small suction nozzle.

The dust cup is dismantled and is installed often alone to current hand-held type dust catcher when dismantling and installing the dust cup, so design solitary switch and hasp piece above the dust cup and carry out supporting use, and such structural design often makes the preparation technology of dust cup promote the degree of difficulty greatly, and the use of dust cup has also received the restriction simultaneously, and the dust cup structure is also comparatively complicated.

SUMMERY OF THE UTILITY MODEL

The utility model provides an opening and closing structure of a main machine of a dust collector, which is convenient for opening and closing a dust cup, in order to overcome the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an opening and shutting structure of dust catcher host computer, includes dirt cup, dust absorption motor, motor cover, handle components and storage battery, the dust absorption motor install in the motor cover, storage battery install the bottom at handle components, the front end of dirt cup and motor cover be connected, the rear end of motor cover rotates with handle components's top rear end to be connected, the front end of motor cover is equipped with the fixture block, handle components on be equipped with fixture block assorted shift knob, the motor cover pass through fixture block and shift knob's cooperation and handle components joint, the top front end joint of dirt cup and handle components.

When the dust collector is used, the dust cup is firstly arranged on the motor cover, and the motor cover is rotationally connected with the handle assembly, so that the dust cup and the handle assembly are enabled to be close to and away from each other along with the rotation of the motor cover; when the dust cup is far away from the handle assembly, only the switch button on the handle assembly needs to be pressed to separate the fixture block on the motor cover from the switch button, so that the motor cover rotates to separate the dust cup from the handle assembly, and the dust cup is not clamped with the front end of the handle assembly, so that the dust cup can be opened to be cleaned, and the dust cup is designed to be opened and closed, simple in structure and convenient and fast to operate.

As preferred, handle components include handle base and handle apron, storage battery and handle base's bottom can dismantle and be connected, handle base on be equipped with power button, shift knob install on handle base and corresponding about the position with power button place, storage battery pass through power button and dust absorption motor electricity and be connected, handle apron on be equipped with the switch trompil corresponding with shift knob, the fixture block that the motor covered passes through switch trompil and shift knob joint, handle base's top front end be equipped with dirt cup assorted boss, be equipped with on handle apron's the front end with boss assorted lug. The storage battery pack is detachably connected with the handle base, so that the later maintenance of the storage battery pack is facilitated; through the design of boss and lug, can conveniently carry out the joint with the dirt cup and prescribe a limit to, the reliability has improved greatly.

As preferred, the handle base on be equipped with the switch slot, shift knob include switch board and spring leaf, the side of switch slot is equipped with the switch hole that is used for the limit switch board, the switch board install in the switch slot and with switch hole phase-match, the upper end of switch board is equipped with the trip, the switch board pass through the trip and cover the fixture block joint with the motor, the side of switch board is equipped with the spring groove, the shape of spring leaf is the V type, one side and the switch slot of spring leaf contact, the spring groove is arranged in to the another side in spring groove, the spring leaf is arranged in and is equipped with spacing turn-ups on one side in the switch slot. Through the structural design of the switch button, on one hand, the disassembly and the assembly of the switch button are facilitated, and on the other hand, the position of the switch button can be better positioned.

Preferably, the rear end of the handle cover plate is provided with a rotating groove, the motor cover is provided with a rotating seat corresponding to the rotating groove, the rotating seat is provided with a rotating shaft, the motor cover is installed in the rotating groove in the handle cover plate through the rotating shaft on the rotating seat, and the switch hole is arranged in the middle of the handle cover plate. Through the design of rotating groove and rotating seat, realized the rotation of motor cover and connected, the reliability is high.

Preferably, the handle cover plate is provided with a spring seat arranged between the switch hole and the rotating groove, a compression spring and an ejector rod are arranged in the spring seat, the bottom of the spring seat is provided with a positioning cross, one end of the compression spring is arranged on the positioning cross, the other end of the compression spring is in contact with the ejector rod, a guide groove is formed in the side face of the spring seat, the ejector rod is provided with a guide block matched with the guide groove, the ejector rod is installed on the spring seat through the matching of the guide block and the guide groove, and the ejector rod is in contact with the motor cover. Through the structural design of spring holder and ejector pin, can realize the automatic ejecting operation of motor cover, when shift knob opened promptly, the ejector pin received compression spring's effect ejecting with the motor cover, realized that the dirt cup breaks away from the joint from handle components automatically, conveniently operates the dirt cup.

Preferably, a first wire hole is formed in the handle cover plate and is arranged between the spring seat and the rotating groove, a second wire hole is formed in the motor cover and corresponds to the first wire hole and the second wire hole, and the storage battery pack penetrates through the first wire hole and the second wire hole through a power button and then is electrically connected with the dust collection motor in the motor cover. Through the design of above-mentioned structure, improved the fail safe nature of whole structure.

Preferably, an air inlet is formed in the handle cover plate and is arranged between the switch opening and the bump, the air inlet is arranged at a position close to the switch opening, an inlet is formed in the dust cup and corresponds to the air inlet, and a sealing ring is arranged at the edge of the air inlet. The dust collection effect of the whole dust collector can be improved through the design of the sealing ring.

Preferably, the dirt cup include body and bowl cover, the import arrange in on the body, bowl cover and body rotate to be connected, the bowl cover on be equipped with the spacing groove, the lug on be equipped with spacing groove assorted stopper, the position at spacing groove place and the junction position of bowl cover and body use the bowl cover to be central symmetric distribution as the center, the degree of depth of spacing groove reduces from the edge that is close to the bowl cover to the edge of keeping away from the bowl cover gradually. Through the position design of the limiting groove, the cup cover can face the direction of the handle assembly when being opened, and the dust is prevented from floating outwards.

Preferably, one end of the clamping block is arranged at the edge where the motor cover is connected with the dust cup, the other end of the clamping block is arranged on the outer side of the dust cup, a supporting rib is arranged on the outer side of the dust cup and is in contact with the clamping block, a clamping flanging is arranged at one end, arranged on the dust cup, of the clamping block, and the clamping flanging and the clamping hook are clamped with each other. Through the design of brace rod, can support the fixture block, prevent the damage of fixture block.

Preferably, the clamping flanging is provided with a guide protrusion, and the clamping hook is provided with a guide inclined plane matched with the guide protrusion. Through the design of direction arch and direction inclined plane, improved the joint effect.

Preferably, the hook comprises a clamping edge and a clamping head, the lower end of the clamping edge is installed at the upper end of the switch plate and is arranged on one side provided with a spring groove, a groove is formed in the clamping edge, the groove is communicated with the spring groove, one side of the spring groove is arranged in the groove, a clamping tongue is arranged at the end of one side of the spring plate arranged in the groove, a clamping hole matched with the clamping tongue is formed in the upper end of the clamping edge, the clamping hole is communicated with the groove, the clamping head is installed at the upper end of the clamping edge, the clamping head and the groove are respectively arranged on the left side and the right side of the clamping edge, the clamping head is in a right-angled triangle shape, one right-angled edge of the clamping head is connected with the clamping edge, the other right-angled edge of the clamping head is perpendicular to the clamping edge, the bevel edge of the clamping head is a guide bevel, the direction of the guide bevel is upward, and a positioning flange is arranged on the switch plate, the positioning flanges and the spring grooves are respectively arranged on the left side and the right side of the switch plate, and the positioning flanges are arranged on one side close to the switch hole. The clamping tongue on the spring piece can be clamped in the clamping hole of the groove through the design of the groove, so that the spring piece is prevented from relative displacement to influence the use of the switch board; the clamping head has the advantages that the clamping block can be conveniently guided to be clamped with the clamping head through the structural design of the clamping head, the position of the switch plate can be limited through the design of the positioning flanging, and the switch plate is prevented from being separated from the spring groove.

Preferably, the cross section of the upper end of the ejector rod is semicircular, the lower end of the ejector rod is provided with a cavity, the guide grooves are arranged on the left side surface and the right side surface of the spring seat, the guide blocks are arranged on the left side edge and the right side edge of the lower end of the ejector rod, and the other end of the compression spring is arranged in the cavity of the lower end of the ejector rod. On one hand, the ejector rod is in arc contact with the motor cover through the structural design of the ejector rod, so that the abrasion to the motor cover is reduced; on the other hand, the compression spring can be further positioned through the design of the cavity, and the use reliability of the whole ejector rod is improved.

Preferably, one end of the fixture block connected with the motor cover is provided with a U-shaped groove, the U-shaped groove is internally provided with a plurality of reinforcing ribs, the reinforcing ribs are respectively connected with the motor cover and the fixture block, the fixture block is provided with a mounting groove, the mounting groove is internally provided with a through hole, the position of the through hole corresponds to the position of the support rib, the support rib is provided with a positioning groove, the through hole is internally provided with a positioning pin, the positioning pin is detachably connected with the through hole on the fixture block, the positioning pin in the through hole is matched with the positioning groove on the support rib, the edge of the motor cover connected with the dust cup is provided with a dust cup limiting block, and the edge of the dust cup connected with the motor cover is provided with a dust cup limiting groove matched with the dust cup limiting block. Through the design of the U-shaped groove and the reinforcing ribs of the clamping block, the mounting firmness of the clamping block and the motor cover is improved; through the matching design of the through hole in the mounting groove, the positioning pin and the positioning groove on the supporting rib, the position of the dust cup can be better limited, the dust cup is prevented from falling off from the motor cover, and the mounting and positioning of the dust cup are facilitated; and the design of the dust cup limiting block and the dust cup limiting groove can better limit the position of the dust cup, and the whole device is convenient to disassemble and assemble.

The utility model has the beneficial effects that: the dust cup has the advantages that the dust cup is opened and closed, the structure is simple, the operation is convenient, the later maintenance is facilitated, the reliability is greatly improved, the dust cup is convenient to mount and dismount, the dust collection effect is good, and the clamping effect is good.

Drawings

FIG. 1 is a schematic diagram of the closed configuration of the present invention;

FIG. 2 is a schematic view of the present invention in an open configuration;

FIG. 3 is a schematic view of the construction of the dirt cup and motor housing;

FIG. 4 is a schematic structural view of the handle assembly;

FIG. 5 is a schematic view of the structure of the handle base;

FIG. 6 is a schematic view of the structure of the handle cover plate;

FIG. 7 is an enlarged partial schematic view of FIG. 5 at A;

FIG. 8 is a schematic view of a partially enlarged structure of FIG. 6 with a push rod at B;

fig. 9 is a schematic view of the dust cup and the motor cover of fig. 3 in a separated configuration.

In the figure: 1. a dust cup, 2. a motor cover, 3. a handle component, 4. a storage battery pack, 5. a cup cover, 6. a body, 7. a switch button, 8. a power button, 9. a rotating seat, 10. a rotating shaft, 11. a second wire hole, 12. a clamping block, 13. a guiding bulge, 14. a clamping flanging, 15. a supporting rib, 16. an inlet, 17. a limiting groove, 18. a handle cover plate, 19. a handle base, 20. a lug boss, 21. a limiting flanging, 22. a switch groove, 23. a spring groove, 24. a clamping hook, 25. a guiding inclined plane, 26. a spring piece, 27. a switch plate, 28. a lug, 29. a limiting block, 30. a sealing ring, 31. an air inlet, 32. a switch opening, 33. a guide groove, 34. a positioning cross, 35. a spring seat, 36. a first wire hole, 37. the dust cup comprises a rotating groove, 38 grooves, 39 clamping tongues, 40 positioning flanges, 41 clamping heads, 42 clamping edges, 43 ejector rods, 44 guide blocks, 45 reinforcing ribs, 46U-shaped grooves, 47 mounting grooves, 48 dust cup limiting blocks, 49 through holes, 50 positioning grooves and 51 clamping holes.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

In the embodiment shown in fig. 1 and 2, an opening and closing structure of a host of a dust collector comprises a dust cup 1, a dust collection motor, a motor cover 2, a handle assembly 3 and a storage battery pack 4, the dust collection motor is installed in the motor cover 2, the storage battery pack 4 is installed at the bottom of the handle assembly 3, the dust cup 1 is connected with the front end of the motor cover 2, the rear end of the motor cover 2 is rotatably connected with the rear end of the top of the handle assembly 3, a clamping block 12 is arranged at the front end of the motor cover 2, a switch button 7 matched with the clamping block 12 is arranged on the handle assembly 3, the motor cover 2 is clamped with the handle assembly 3 through the matching of the clamping block 12 and the switch button 7, and the dust cup 1 is clamped with the front end of the top of the handle assembly 3.

As shown in fig. 4, fig. 5, and fig. 6, the handle assembly 3 includes a handle base 19 and a handle cover plate 18, the storage battery 4 is detachably connected to the bottom of the handle base 19, a power button 8 is disposed on the handle base 19, a switch button 7 is disposed on the handle base 19 and corresponds to the left and right of the position of the power button 8, the storage battery 4 is electrically connected to the dust collection motor through the power button 8, a switch opening 32 corresponding to the switch button 7 is disposed on the handle cover plate 18, a clamping block 12 on the motor cover 2 is clamped to the switch button 7 through the switch opening 32, a boss 20 matched with the dust cup 1 is disposed at the front end of the top of the handle base 19, and a projection 28 matched with the boss 20 is disposed at the front end of the handle cover plate 18.

As shown in fig. 5, a switch slot 22 is provided on the handle base 19, the switch button 7 includes a switch plate 27 and a spring plate 26, a switch hole for limiting the switch plate 27 is provided on a side surface of the switch slot 22, the switch plate 27 is installed in the switch slot 22 and matched with the switch hole, a hook 24 is provided on an upper end of the switch plate 27, the switch plate 27 is connected with the latch 12 on the motor cover 2 through the hook 24, a spring slot 23 is provided on a side surface of the switch plate 27, the spring plate 26 is V-shaped, one side of the spring plate 26 contacts with the switch slot 22, the other side of the spring slot 23 is disposed in the spring slot 23, and a limiting flange 21 is provided on one side of the spring plate 26 disposed in the switch slot 22.

As shown in fig. 7, the hook 24 includes a clamping edge 42 and a clamping head 41, the lower end of the clamping edge 42 is installed at the upper end of the switch plate 27 and is disposed at one side of the switch plate with the spring groove 23, the clamping edge 42 is provided with a groove 38, the groove 38 is communicated with the spring groove 23, one side of the spring groove 23 is disposed in the groove 38, the end of one side of the spring plate 26 disposed in the groove 38 is provided with a clamping tongue 39, the upper end of the clamping edge 42 is provided with a clamping hole 51 matched with the clamping tongue 39, the clamping hole 51 is communicated with the groove 38, the clamping head 41 is installed at the upper end of the clamping edge 42, the clamping head 41 and the groove 38 are respectively disposed at the left and right sides of the clamping edge 42, the clamping head 41 is shaped as a right triangle, one right-angle side of the clamping head 41 is connected with the clamping edge 42, the other side of the clamping head 41 is perpendicular to the clamping edge 42, the bevel edge of the clamping head 41 is the right-angle bevel 25, the direction of the guide bevel 25 is upward, the switch plate 27 is provided with a positioning flange 40, the positioning flanges 40 and the spring grooves 23 are respectively arranged at the left side and the right side of the switch plate 27, and the positioning flanges 40 are arranged at one side close to the switch hole.

As shown in fig. 6 and 8, a rotation groove 37 is formed at the rear end of the handle cover plate 18, a rotation base 9 corresponding to the rotation groove 37 is arranged on the motor cover 2, a rotation shaft 10 is arranged on the rotation base 9, the motor cover 2 is installed in the rotation groove 37 of the handle cover plate 18 through the rotation shaft 10 on the rotation base 9, and the switch opening 32 is disposed at the middle position of the handle cover plate 18. A spring seat 35 is arranged on the handle cover plate 18 and between the switch opening 32 and the rotating groove 37, a compression spring and a push rod 43 are arranged in the spring seat 35, a positioning cross 34 is arranged at the bottom of the spring seat 35, one end of the compression spring is arranged on the positioning cross 34, the other end of the compression spring is in contact with the push rod 43, a guide groove 33 is formed in the side face of the spring seat 35, a guide block 44 matched with the guide groove 33 is arranged on the push rod 43, the push rod 43 is installed on the spring seat 35 through the matching of the guide block 44 and the guide groove 33, and the push rod 43 is in contact with the motor cover 2. The cross section of the upper end of the ejector rod 43 is semicircular, the lower end of the ejector rod 43 is provided with a cavity, the guide grooves 33 are arranged on the left side surface and the right side surface of the spring seat 35, the guide blocks 44 are arranged on the left side edge and the right side edge of the lower end of the ejector rod 43, and the other end of the compression spring is arranged in the cavity of the lower end of the ejector rod 43. A first wire hole 36 is formed in the handle cover plate 18 and is arranged between the spring seat 35 and the rotating groove 37, a second wire hole 11 is formed in the motor cover 2, the first wire hole 36 corresponds to the second wire hole 11, and the storage battery pack 4 penetrates through the first wire hole 36 and the second wire hole 11 through the power button 8 and then is electrically connected with a dust collection motor in the motor cover 2. An air inlet 31 is arranged on the handle cover plate 18 and between the switch opening 32 and the bump 28, the air inlet 31 is arranged at a position close to the switch opening 32, an inlet 16 is arranged on the dust cup 1, the inlet 16 corresponds to the air inlet 31, and a sealing ring 30 is arranged at the edge of the air inlet 31.

As shown in fig. 2, the dust cup 1 comprises a body 6 and a cup cover 5, an inlet 16 is arranged on the body 6, the cup cover 5 is rotatably connected with the body 6, a limit groove 17 is arranged on the cup cover 5, a limit block 29 matched with the limit groove 17 is arranged on a bump 28, the position of the limit groove 17 and the position of the joint of the cup cover 5 and the body 6 are in central symmetrical distribution by taking the cup cover 5 as the center, and the depth of the limit groove 17 is gradually reduced from the edge close to the cup cover 5 to the edge far away from the cup cover 5. One end of the clamping block 12 is arranged at the edge where the motor cover 2 is connected with the dust cup 1, the other end of the clamping block 12 is arranged at the outer side of the dust cup 1, a supporting rib 15 is arranged at the outer side of the dust cup 1, the supporting rib 15 is in contact with the clamping block 12, a clamping flanging 14 is arranged at one end, arranged at the dust cup 1, of the clamping block 12, and the clamping flanging 14 is mutually clamped with the clamping hook 24. The clamping flanging 14 is provided with a guide bulge 13, and the clamping hook 24 is provided with a guide inclined plane 25 matched with the guide bulge 13.

As shown in fig. 9, one end of the fixture block 12 connected with the motor cover 2 is provided with a U-shaped groove 46, a plurality of reinforcing ribs 45 are arranged in the U-shaped groove 46, the reinforcing ribs 45 are respectively connected with the motor cover 2 and the fixture block 12, the fixture block 12 is provided with a mounting groove 47, a through hole 49 is arranged in the mounting groove 47, the position of the through hole 49 corresponds to the position of the support rib 15, the support rib 15 is provided with a positioning groove 50, a positioning pin is arranged in the through hole 49 and detachably connected with the through hole 49 on the fixture block 12, the positioning pin in the through hole 49 is matched with the positioning groove 50 on the support rib 15, the edge of the motor cover 2 connected with the dust cup 1 is provided with a dust cup limiting groove matched with the dust cup limiting groove 48.

When the dust collector (HJC-2008) is used, firstly, the body 6 on the dust cup 1 is installed on the motor cover 2 through the matching of the dust cup limiting groove and the dust cup limiting block 48, meanwhile, the fixture block 12 on the motor cover 2 is clamped with the positioning groove 50 on the supporting rib 15 of the dust cup 1 through the positioning pin in the through hole 49, the cup cover 5 on the dust cup 1 is covered with the body 6, and the motor cover 2 is rotatably connected with the rotating groove 37 on the handle cover plate 18 through the rotating shaft 10 on the rotating base 9, so that the dust cup 1 and the handle cover plate 18 are close to and away from each other along with the rotation of the motor cover 2, when the dust cup 1 is close to the handle cover plate 18, the fixture block 12 on the motor cover 2 is clamped with the switch button 7 on the handle assembly 3, namely, the clamping flanging 14 on the fixture block 12 is clamped with the clamping head 41 on the clamping hook 24 on the switch plate 27, so that the dust cup 1 is contacted with the handle cover plate 18, the cup cover 5 on the dust cup 1 is matched with the limiting block 29 on the lug 28 of the handle cover plate 18 through the limiting groove 17 and is clamped at the front end of the handle cover plate 18, the compression spring in the spring seat 35 is synchronously compressed because the ejector rod 43 is under the action of the motor cover 2, and meanwhile, the inlet 16 of the body 6 on the dust cup 1 is in sealing connection with the air inlet 31 on the handle cover plate 18 through the sealing ring 30, so that the dust cup 1 is prevented from generating relative displacement to influence the reliability of the whole dust collector; and when dirt cup 1 kept away from handle apron 18, only need press shift knob 7 on the handle base 19 to make fixture block 12 and shift knob 7 separation on the motor cover 2, compression spring is released and makes the ejector pin act on the lateral surface of motor cover 2 with motor cover 2 jack-up, motor cover 2 uses axis of rotation 10 to rotate as the center and makes dirt cup 1 and handle apron 18 separation in the time, bowl cover 5 on the dirt cup 1 also is not in the joint with handle apron 18's lug 28, consequently can open bowl cover 5 on the dirt cup 1 and clear up it.

Claims (13)

1. An opening and closing structure of a dust collector main machine is characterized by comprising a dust cup (1), a dust collection motor, a motor cover (2), a handle component (3) and a storage battery pack (4), the dust collection motor is arranged in the motor cover (2), the storage battery (4) is arranged at the bottom of the handle component (3), the dust cup (1) is connected with the front end of the motor cover (2), the rear end of the motor cover (2) is rotatably connected with the rear end of the top of the handle component (3), a clamping block (12) is arranged at the front end of the motor cover (2), a switch button (7) matched with the clamping block (12) is arranged on the handle component (3), the motor cover (2) is clamped with the handle component (3) through the matching of the clamping block (12) and the switch button (7), the dust cup (1) is clamped with the front end of the top of the handle component (3).

2. The opening and closing structure of the host machine of the dust collector as claimed in claim 1, wherein the handle assembly (3) comprises a handle base (19) and a handle cover plate (18), the storage battery (4) is detachably connected with the bottom of the handle base (19), the handle base (19) is provided with a power button (8), the switch button (7) is installed on the handle base (19) and corresponds to the position of the power button (8) in the left-right direction, the storage battery (4) is electrically connected with a dust collection motor through the power button (8), the handle cover plate (18) is provided with a switch opening (32) corresponding to the switch button (7), a clamping block (12) on the motor cover (2) is clamped with the switch button (7) through the switch opening (32), the front end of the top of the handle base (19) is provided with a boss (20) matched with the dust cup (1), the front end of the handle cover plate (18) is provided with a convex block (28) matched with the convex block (20).

3. The opening and closing structure of the host machine of the dust collector as claimed in claim 2, wherein the handle base (19) is provided with a switch slot (22), the switch button (7) comprises a switch plate (27) and a spring leaf (26), the side surface of the switch slot (22) is provided with a switch hole for limiting the switch plate (27), the switch plate (27) is installed in the switch slot (22) and matched with the switch hole, the upper end of the switch plate (27) is provided with a clamping hook (24), the switch plate (27) is clamped with a clamping block (12) on the motor cover (2) through the clamping hook (24), the side surface of the switch plate (27) is provided with a spring slot (23), the spring leaf (26) is V-shaped, one side of the spring leaf (26) is contacted with the switch slot (22), and the other side of the spring slot (23) is arranged in the spring slot (23), the spring piece (26) is arranged on one side of the switch groove (22) and is provided with a limiting flanging (21).

4. The opening and closing structure of the main machine of the dust collector as claimed in claim 2, wherein a rotating groove (37) is formed in the rear end of the handle cover plate (18), a rotating base (9) corresponding to the rotating groove (37) is arranged on the motor cover (2), a rotating shaft (10) is arranged on the rotating base (9), the motor cover (2) is installed in the rotating groove (37) of the handle cover plate (18) through the rotating shaft (10) on the rotating base (9), and the switch opening (32) is arranged in the middle of the handle cover plate (18).

5. The opening and closing structure of the main machine of the dust collector as claimed in claim 4, wherein a spring seat (35) is arranged on the handle cover plate (18) and is arranged between the opening and closing hole (32) and the rotating groove (37), a compression spring and a mandril (43) are arranged in the spring seat (35), a positioning cross (34) is arranged at the bottom of the spring seat (35), one end of the compression spring is arranged on the positioning cross (34), the other end of the compression spring is contacted with the mandril (43), a guide groove (33) is arranged on the side surface of the spring seat (35), a guide block (44) matched with the guide groove (33) is arranged on the ejector rod (43), the ejector rod (43) is installed on the spring seat (35) through the matching of the guide block (44) and the guide groove (33), and the ejector rod (43) is in contact with the motor cover (2).

6. The opening and closing structure of the main machine of the dust collector as claimed in claim 5, wherein a first wire hole (36) is formed in the handle cover plate (18) and is arranged between the spring seat (35) and the rotating groove (37), a second wire hole (11) is formed in the motor cover (2), the first wire hole (36) corresponds to the second wire hole (11), and the storage battery pack (4) is electrically connected with a dust collection motor in the motor cover (2) after passing through the first wire hole (36) and the second wire hole (11) through the power button (8).

7. The opening and closing structure of the main machine of the dust collector as claimed in claim 5, wherein an air inlet (31) is arranged on the handle cover plate (18) and between the switch opening (32) and the bump (28), the air inlet (31) is arranged at a position close to the switch opening (32), an inlet (16) is arranged on the dust cup (1), the inlet (16) corresponds to the air inlet (31), and a sealing ring (30) is arranged at the edge of the air inlet (31).

8. The opening and closing structure of the host machine of the dust collector as claimed in claim 7, wherein the dust cup (1) comprises a body (6) and a cup cover (5), the inlet (16) is arranged on the body (6), the cup cover (5) is rotatably connected with the body (6), the cup cover (5) is provided with a limiting groove (17), the bump (28) is provided with a limiting block (29) matched with the limiting groove (17), the position of the limiting groove (17) and the position of the joint of the cup cover (5) and the body (6) are centrally and symmetrically distributed by taking the cup cover (5) as the center, and the depth of the limiting groove (17) is gradually reduced from the edge close to the cup cover (5) to the edge of the cup cover far away from the cup cover (5).

9. The opening and closing structure of the main machine of the dust collector as claimed in claim 3, wherein one end of the clamping block (12) is mounted at the edge where the motor cover (2) is connected with the dust cup (1), the other end of the clamping block (12) is arranged at the outer side of the dust cup (1), a supporting rib (15) is arranged at the outer side of the dust cup (1), the supporting rib (15) is in contact with the clamping block (12), a clamping flanging (14) is arranged at one end of the clamping block (12) arranged at the dust cup (1), and the clamping flanging (14) and the clamping hook (24) are clamped with each other.

10. The opening and closing structure of the main unit of the vacuum cleaner as claimed in claim 9, wherein the clamping flange (14) is provided with a guide protrusion (13), and the clamping hook (24) is provided with a guide inclined surface (25) matched with the guide protrusion (13).

11. The opening and closing structure of the main unit of the vacuum cleaner as claimed in claim 10, wherein the hook (24) comprises a clamping edge (42) and a clamping head (41), the lower end of the clamping edge (42) is installed at the upper end of the switch plate (27) and is arranged at one side provided with the spring groove (23), the clamping edge (42) is provided with a groove (38), the groove (38) is communicated with the spring groove (23), the spring plate (26) is arranged at one side of the spring groove (23) and is arranged in the groove (38), the end part of one side of the spring plate (26) arranged in the groove (38) is provided with a clamping tongue (39), the upper end of the clamping edge (42) is provided with a clamping hole (51) matched with the clamping tongue (39), the clamping hole (51) is communicated with the groove (38), the clamping head (41) is installed at the upper end of the clamping edge (42), and the clamping head (41) and the groove (38) are respectively arranged at the left side and the right side of the clamping edge (42), the shape of dop (41) become right triangle, a right-angle side and card limit (42) of dop (41) are connected, another right-angle side and card limit (42) mutually perpendicular of dop (41), the hypotenuse of dop (41) is direction inclined plane (25) promptly, the direction of direction inclined plane (25) up, switch plate (27) on be equipped with location turn-ups (40), location turn-ups (40) and spring groove (23) place the left and right sides of switch plate (27) respectively in, location turn-ups (40) place in the one side that is close to the switch hole.

12. The opening and closing structure of a main unit of a vacuum cleaner as claimed in claim 5, wherein the cross-sectional shape of the upper end of the push rod (43) is semicircular, the lower end of the push rod (43) is provided with a cavity, the guide grooves (33) are arranged on the left and right sides of the spring seat (35), the guide blocks (44) are arranged on the left and right sides of the lower end of the push rod (43), and the other end of the compression spring is arranged in the cavity of the lower end of the push rod (43).

13. The opening and closing structure of the main machine of the dust collector as claimed in claim 9, wherein a U-shaped groove (46) is formed in one end of the fixture block (12) connected with the motor cover (2), a plurality of reinforcing ribs (45) are arranged in the U-shaped groove (46), the reinforcing ribs (45) are respectively connected with the motor cover (2) and the fixture block (12), an installation groove (47) is formed in the fixture block (12), a through hole (49) is formed in the installation groove (47), the position of the through hole (49) corresponds to the position of the support rib (15), a positioning groove (50) is formed in the support rib (15), a positioning pin is arranged in the through hole (49), the positioning pin is detachably connected with the through hole (49) in the fixture block (12), the positioning pin in the through hole (49) is matched with the positioning groove (50) in the support rib (15), the edge that motor cover (2) and dirt cup (1) are connected is equipped with dirt cup stopper (48), the edge that dirt cup (1) and motor cover (2) are connected is equipped with the dirt cup spacing groove with dirt cup stopper (48) assorted.

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