CN212278045U

CN212278045U - Vacuum structure of ground washing vehicle

Info

Publication number: CN212278045U
Application number: CN202020963328.4U
Authority: CN
Inventors: 杨述健; 彭建纯; 陈应波; 陈贤钦; 郑娟娟
Original assignee: Dongguan Viper Cleaning Equipment Co Ltd
Current assignee: Dongguan Viper Cleaning Equipment Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-01
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the technical field of the floor cleaning vehicle technique and specifically relates to indicate a vacuum structure of floor cleaning vehicle, including the shell that is equipped with the installation cavity, be equipped with the suction motor in the installation cavity, the installation cavity includes that first appearance chamber and second hold the chamber, first appearance chamber is equipped with first gas vent, the second holds the chamber and is equipped with the second gas vent, the first appearance chamber of holding is located to the end of breathing in of suction motor, the second holds the chamber is located to the end of the heat dissipation of suction motor, be equipped with the sealing washer between the diapire of end of breathing in and first appearance chamber, the end of breathing in is equipped with amortization piece, amortization piece is equipped with a plurality of through-holes, be equipped with heat dissipation space between the lateral wall that heat dissipation end and second. The utility model discloses an evacuation air current and heat dissipation air current are independent each other, do not influence each other, have prevented that the air current wadding is in disorder and produce the noise, and noise reduction effect and radiating effect are good, and amortization piece absorbs the noise, and the sealing washer plays the buffering, falls make an uproar, absorbing effect, has reached the mesh that the amortization was fallen and is made an uproar.

Description

Vacuum structure of ground washing vehicle

Technical Field

The utility model belongs to the technical field of the floor cleaning vehicle technique and specifically relates to indicate a vacuum structure of floor cleaning vehicle.

Background

The floor cleaning vehicle is a cleaning machine which is suitable for cleaning hard ground and simultaneously sucking up sewage and taking the sewage away from the site, and has the advantages of environmental protection, energy conservation, high efficiency and the like. The floor cleaning vehicle is respectively a semi-automatic floor cleaning vehicle, a full-automatic floor cleaning vehicle, a hand-push type floor cleaning vehicle and a driving type floor cleaning vehicle. A suction motor (vacuum motor) is an important component in a floor-cleaning vehicle for sucking sewage after surface cleaning into a sewage tank. But the suction motor can produce great noise and vibration at the during operation, influences the use of ground washing vehicle and experiences, and the radiating effect is relatively poor, is difficult to guarantee the life of suction motor. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a vacuum structure of washing ground car that noise reduction effect and radiating effect are good.

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

a vacuum structure of a floor washing vehicle comprises a shell, wherein the shell is concavely provided with an installation cavity, a suction motor is installed in the installation cavity, the installation cavity comprises a first cavity formed by concavely arranging the top of the shell and a second cavity formed by concavely arranging the bottom wall of the first cavity, the side wall of the first cavity is provided with a first exhaust port, the side wall of the second cavity is provided with a second exhaust port, the suction end of the suction motor is arranged in the first cavity, the heat dissipation end of the suction motor is arranged in the second cavity, a sealing ring is arranged between the bottom surface of the suction end of the suction motor and the bottom wall of the first cavity, the suction end of the suction motor is sleeved with a noise reduction piece, the noise reduction piece is provided with a plurality of through holes, the air outlet of the suction end of the suction motor is communicated with the first exhaust port through the through holes, and a heat dissipation space is arranged between the heat dissipation end of the suction motor and the side wall of, the second exhaust port is communicated with the heat dissipation space, the air outlet of the heat dissipation end of the suction motor is communicated with the heat dissipation space, and the air inlet of the heat dissipation end of the suction motor is exposed at the bottom of the shell.

Further, the bottom of shell is provided with the inlet port, the inlet port is established from the diapire of second appearance chamber is concave to form, the inlet port communicates with the air inlet of the heat dissipation end of suction motor.

Furthermore, an air inlet cover at the heat dissipation end of the suction motor is provided with a lower filter cover.

Furthermore, an air inlet cover of the air suction end of the suction motor is provided with an upper filtering cover.

Furthermore, a positioning ring is embedded in the second accommodating cavity, the heat dissipation end of the suction motor extends into the positioning ring in a protruding mode, and the heat dissipation space is located between the heat dissipation end of the suction motor and the inner wall of the positioning ring.

Furthermore, the inner wall of the positioning ring is provided with a positioning tangent plane for positioning the heat dissipation end of the suction motor.

Further, the shell is connected with a suction cover, the suction cover covers the opening end of the first containing cavity, a suction hole is formed in the suction cover, and the suction hole is communicated with an air inlet of a suction end of the suction motor.

Further, the housing and the suction cover are hermetically connected via a sealing ring.

Furthermore, the bottom surface of the air suction cover is convexly provided with a positioning ring, the sealing ring is concavely provided with a positioning groove, and the positioning ring extends into the positioning groove in a protruding mode.

Further, the noise reduction piece is noise reduction cotton, and the noise reduction piece is annular.

The utility model has the advantages that: the utility model has the advantages of simple structure, reasonable in design, the evacuation is effectual, evacuation air current and heat dissipation air current mutual independence, each other do not influence, the flow of air current is stable, has prevented that the air current wadding is in disorder and produces the noise, reaches the effect of making an uproar, and is good to the radiating effect of suction motor, has prolonged the life of suction motor, and the amortization piece absorbs the noise, and the sealing washer plays the buffering, falls the noise, the absorbing effect of making an uproar, has reached the mesh of making an uproar that the amortization was fallen.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the utility model with the hidden casing and the air suction cover.

Fig. 4 is a schematic perspective view of another viewing angle after the housing and the air suction cover are hidden.

Fig. 5 is the schematic view of the utility model showing the disassembled structure after the hidden casing and the air suction cover.

Fig. 6 is a schematic structural diagram of the housing of the present invention.

Description of reference numerals:

1. a housing; 11. an air inlet; 2. a mounting cavity; 21. a first cavity; 22. a second cavity; 23. a first exhaust port; 24. a second exhaust port; 3. a suction motor; 31. a suction end; 32. a heat dissipation end; 33. a heat dissipation space; 4. a seal ring; 5. a noise reducing member; 51. a through hole; 6. a lower filter cover; 61. a filter cover is arranged; 8. a positioning ring; 81. positioning a tangent plane; 9. a suction cover; 91. and (4) an air suction hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 6, the vacuum structure of a floor washing vehicle provided by the present invention comprises a housing 1, wherein the housing 1 is concavely provided with an installation cavity 2, the installation cavity 2 penetrates through the housing 1, a suction motor 3 (vacuum motor) is installed in the installation cavity 2, the installation cavity 2 comprises a first cavity 21 concavely formed from the top of the housing 1 and a second cavity 22 concavely formed from the bottom wall of the first cavity 21, the side wall of the first cavity 21 is provided with a first exhaust port 23, the side wall of the second cavity 22 is provided with a second exhaust port 24, the suction end 31 of the suction motor 3 is accommodated in the first cavity 21, the heat dissipation end 32 of the suction motor 3 is accommodated in the second cavity 22, a sealing ring 4 is arranged between the bottom surface of the suction end 31 of the suction motor 3 and the bottom wall of the first cavity 21, the suction end 31 of the suction motor 3 is sleeved with a silencing piece 5, the silencer 5 is located between the side wall of the first accommodating cavity 21 and the air suction end 31 of the suction motor 3, the silencer 5 is provided with a plurality of through holes 51, the air outlet of the air suction end 31 of the suction motor 3 is communicated with the first exhaust port 23 through the through holes 51, a heat dissipation space 33 is arranged between the heat dissipation end 32 of the suction motor 3 and the side wall of the second accommodating cavity 22, the second exhaust port 24 is communicated with the heat dissipation space 33, the air outlet of the heat dissipation end 32 of the suction motor 3 is communicated with the heat dissipation space 33, and the air inlet of the heat dissipation end 32 of the suction motor 3 is exposed at the bottom of the shell 1. In this embodiment, the application of the present invention to a floor-cleaning vehicle will be described as an example.

In actual operation, the suction motor 3 is operated to generate negative pressure (vacuum pumping) in the sewage tank of the floor washing vehicle, so as to suck the sewage after ground surface cleaning into the sewage tank, air enters through the air inlet of the air suction end 31 of the suction motor 3 and is discharged into the first cavity 21 through the air outlet of the air suction end 31 of the suction motor 3, the noise generated by air flow is absorbed by the silencing piece 5, and the air is discharged through the plurality of through holes 51 of the silencing piece 5 and the first exhaust port 23, meanwhile, air in the external environment enters through the air inlet of the heat dissipation end 32 (cooling end) of the suction motor 3 and is discharged into the heat dissipation space 33 through the air outlet of the heat dissipation end 32 of the suction motor 3, and air in the heat dissipation space 33 is discharged through the second exhaust port 24, so as to form a heat dissipation air flow (cold air flow path), thereby effectively dissipating heat of the suction motor 3, and having good heat dissipation effect, it is advantageous to extend the service life of the suction motor 3. The sealing ring 4 is used for sealing a gap between the bottom surface of the air suction end 31 of the suction motor 3 and the bottom wall of the first containing cavity 21, so that the air tightness between the first containing cavity 21 and the second containing cavity 22 is improved, the vacuumizing effect is improved, the air discharged from the air suction end 31 of the suction motor 3 is ensured to be exhausted through the first exhaust port 23 after being silenced by the silencing piece 5, the air discharged from the air suction end 31 of the suction motor 3 is prevented from leaking into the second containing cavity 22, the air flow in the mounting cavity 2 is prevented from being disturbed, and the noise is reduced; and the sealing ring 4 has certain elasticity, and has the effects of buffering, noise reduction and shock absorption on the suction motor 3.

The utility model has the advantages of simple structure, reasonable in design, the evacuation is effectual, evacuation air current and heat dissipation air current mutual independence, each other do not influence, the flow of air current is stable, prevented that the air current wadding is in disorder and produce the noise, reach the effect of making an uproar, it is good to the radiating effect of suction motor 3, prolonged suction motor 3's life, and amortization piece 5 absorbs the noise, sealing washer 4 plays the buffering, falls the noise, the absorbing effect, has reached the mesh of making an uproar that falls of amortization.

In this embodiment, an air inlet hole 11 is formed in the bottom of the housing 1, the air inlet hole 11 is formed by recessing the bottom wall of the second cavity 22, and the air inlet hole 11 is coaxially disposed and communicated with an air inlet of the heat dissipation end 32 of the suction motor 3.

In this embodiment, the air inlet of the heat dissipation end 32 of the suction motor 3 is covered with the lower filter cover 6; specifically, the lower filter cover 6 is accommodated in the air inlet 11, and the lower filter cover 6 is a stainless steel filter screen. The gas in the external environment is filtered through the lower filter cover 6, so that sundries (such as dust and the like) are prevented from entering the suction motor 3 or/and the heat dissipation space 33, the phenomenon of blockage of a heat dissipation gas circuit is prevented, the failure probability of the utility model is reduced, the service life of the utility model is prolonged, and the heat dissipation effect is favorably ensured.

In this embodiment, an air inlet of the air suction end 31 of the suction motor 3 is covered with an upper filter cover 61, and the upper filter cover 61 is a stainless steel filter screen. The vacuumized gas is filtered through the upper filter cover 61, and sundries (such as dust and the like) in the gas are prevented from entering the through hole 51 of the suction motor 3 or/and the silencing piece 5, so that the phenomenon of blockage of the vacuumized gas circuit is prevented, the failure probability is reduced, the service life is prolonged, and the vacuumized effect is favorably ensured.

In this embodiment, the positioning ring 8 is embedded in the second receiving cavity 22, the heat dissipating end 32 of the suction motor 3 protrudes into the positioning ring 8, and the heat dissipating space 33 is located between the heat dissipating end 32 of the suction motor 3 and the inner wall of the positioning ring 8; specifically, the inner wall of the positioning ring 8 is provided with a positioning cut surface 81 for positioning the heat dissipating end 32 of the suction motor 3. The positioning section 81 abuts against the positioning surface of the heat dissipation end 32 of the suction motor 3, and the positioning function is achieved on the suction motor 3, so that the installation stability of the suction motor 3 is ensured, and the rotation or looseness of the suction motor 3 is avoided.

In this embodiment, the housing 1 is connected with the suction cover 9, the suction cover 9 is provided with a suction hole 91, the suction hole 91 is communicated with an air inlet of the suction end 31 of the suction motor 3, preferably, the suction cover 9 is a silencing cover, and the suction cover 9 can absorb noise generated by air flow and is also beneficial to improving the effect of the suction motor 3 in vacuumizing the sewage tank.

In this embodiment, the casing 1 and the air suction cover 9 are connected in a sealing manner through a sealing ring, and the sealing ring is used for sealing a gap between the casing 1 and the air suction cover 9, so that noise caused by air leakage is avoided, and a silencing effect is ensured.

In this embodiment, the bottom surface of the air suction cover 9 is convexly provided with a positioning ring 8, the sealing ring is concavely provided with a positioning groove, and the positioning ring 8 protrudes into the positioning groove. Through holding ring 8 and the conflict cooperation of constant head tank, be convenient for the sealing ring equipment in the bottom surface of cover 9 of breathing in on the one hand, on the other hand has guaranteed that the sealing ring equipment is in the stability of cover 9 of breathing in, improves the gas tightness.

In this embodiment, amortization piece 5 is the amortization cotton, amortization piece 5 is cyclic annularly, and the cotton manufacturing of amortization is with use cost low, convenient for material selection, and noise cancelling effect is good, and is favorable to gas outgoing.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a vacuum structure of ground washing vehicle which characterized in that: the vacuum suction device comprises a shell, wherein an installation cavity is concavely arranged on the shell, a suction motor is installed in the installation cavity, the installation cavity comprises a first accommodating cavity formed by concavely arranging the top of the shell and a second accommodating cavity formed by concavely arranging the bottom wall of the first accommodating cavity, the side wall of the first accommodating cavity is provided with a first exhaust port, the side wall of the second accommodating cavity is provided with a second exhaust port, the suction end of the suction motor is accommodated in the first accommodating cavity, the heat dissipation end of the suction motor is accommodated in the second accommodating cavity, a sealing ring is arranged between the bottom surface of the suction end of the suction motor and the bottom wall of the first accommodating cavity, the suction end of the suction motor is sleeved with a noise reduction piece, the noise reduction piece is provided with a plurality of through holes, the air outlet of the suction end of the suction motor is communicated with the first exhaust port through the through holes, and a heat dissipation space is arranged, the second exhaust port is communicated with the heat dissipation space, the air outlet of the heat dissipation end of the suction motor is communicated with the heat dissipation space, and the air inlet of the heat dissipation end of the suction motor is exposed at the bottom of the shell.

2. The vacuum structure of a floor washing vehicle according to claim 1, wherein: the bottom of shell is provided with the inlet port, the inlet port is established from the diapire of second appearance chamber and forms, the inlet port communicates with the air inlet of the heat dissipation end of suction motor.

3. The vacuum structure of a floor washing vehicle according to claim 1, wherein: and a lower filtering cover is covered on an air inlet at the heat dissipation end of the suction motor.

4. The vacuum structure of a floor washing vehicle according to claim 1, wherein: an upper filtering cover is covered on an air inlet of the air suction end of the suction motor.

5. The vacuum structure of a floor washing vehicle according to claim 1, wherein: the second containing cavity is embedded with a positioning ring, the heat dissipation end of the suction motor extends into the positioning ring in a protruding mode, and the heat dissipation space is located between the heat dissipation end of the suction motor and the inner wall of the positioning ring.

6. The vacuum structure of a floor washing vehicle as claimed in claim 5, wherein: the inner wall of the positioning ring is provided with a positioning tangent plane for positioning the heat dissipation end of the suction motor.

7. The vacuum structure of a floor washing vehicle according to claim 1, wherein: the shell is connected with a suction cover, the suction cover covers the open end of the first cavity, a suction hole is formed in the suction cover, and the suction hole is communicated with an air inlet of a suction end of the suction motor.

8. The vacuum structure of a floor washing vehicle as claimed in claim 7, wherein: the shell and the air suction cover are connected in a sealing mode through a sealing ring.

9. The vacuum structure of a floor washing vehicle as claimed in claim 8, wherein: the bottom surface of the air suction cover is convexly provided with a positioning ring, the sealing ring is concavely provided with a positioning groove, and the positioning ring extends into the positioning groove in a protruding mode.

10. The vacuum structure of a floor washing vehicle according to claim 1, wherein: the noise reduction piece is noise reduction cotton and is annular.