CN221248222U - Polisher convenient to change part - Google Patents

Abstract

The utility model discloses a polisher convenient for replacing parts, which comprises a fixed disc, wherein a through hole is formed in the fixed disc in a penetrating manner; the fan cover component is arranged on the fixed disc and communicated with the through hole; the motor component is arranged on the fan cover component in a penetrating way; the motor assembly and the dust collection fan blade assembly are respectively connected with the motor assembly and the dust collection fan blade assembly at two ends of the connecting sleeve; the driving assembly is in meshed transmission connection with the dust collection fan blade assembly; the grinding disc is movably arranged below the fixed disc and fixedly connected with the driving component; the movable disc assembly is fixedly arranged below the fixed disc and surrounds the grinding disc; the handle component is movably arranged on the fixed disk and communicated with the dust collection fan blade component. According to the utility model, the connecting sleeve is arranged, so that the dust collection fan blade can be replaced conveniently.

Description

Polisher convenient to change part

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a grinding machine convenient for replacing parts.

Background

The grinding machine is an electric tool which takes electric power as power and drives a sand sheet on the end face of the grinding disc to rotate at high speed to grind and clean the surface of a wall. The polishing mode is far more efficient than the manual polishing mode, but a large amount of dust can be generated in the polishing process, so that the physical health of operators is seriously affected, and the environment is polluted. Therefore, people are externally connected with a dust collector on the grinding machine, so that dust generated in the grinding process can be absorbed, pollution to the environment is reduced during operation, and the dust is ensured not to influence the body of an operator. The structure of the external dust collector on the grinding machine in the prior art can reduce the pollution to the environment during operation and ensure that dust does not affect the body of an operator, but has complex structure and larger volume, thereby bringing inconvenience to the operator.

The utility model provides a take polisher of dust absorption structure, including the organism, be equipped with aircraft nose subassembly, dust absorption mechanism and handle on the organism, the aircraft nose subassembly includes fixed setting in the motor of organism top, set up the mill of organism bottom and be used for transferring the rotation power to the mechanical transmission subassembly on the mill from the motor, dust absorption mechanism includes setting up in the organism with the dust absorption passageway that is linked together in the position above the mill, setting up in the dust absorption passageway by the dust absorption fan blade of motor drive dust absorption, with dust absorption pipeline that is linked together with the dust absorption passageway end, and set up suction adjust knob on the dust absorption passageway; the scheme has the advantages that although the functions of reducing dust pollution and being convenient to use are realized, the dust collection fan blade is required to be replaced frequently due to the fact that the dust is more harmful to the dust collection fan blade, the scheme is troublesome in replacing the dust collection fan blade, and meanwhile corners of a wall are inconvenient to polish; so provide a polisher convenient to change parts for solve current polisher and change the inconvenient problem of dust absorption fan blade.

Disclosure of utility model

The utility model aims to provide a polisher convenient for replacing parts, so as to solve the problem that the dust collection fan blade of the existing polisher is inconvenient to replace.

The polisher convenient for replacing parts can be realized by the following technical scheme:

The utility model relates to a grinding machine convenient for replacing parts, which comprises a fixed disc, wherein a through hole is formed in the fixed disc in a penetrating way; the fan cover component is arranged on the fixed disc and communicated with the through hole; the motor component is arranged on the fan cover component in a penetrating way; the motor assembly and the dust collection fan blade assembly are respectively connected with the motor assembly and the dust collection fan blade assembly at two ends of the connecting sleeve; the driving assembly is in meshed transmission connection with the dust collection fan blade assembly; the grinding disc is movably arranged below the fixed disc and fixedly connected with the driving component; the movable disc assembly is fixedly arranged below the fixed disc and surrounds the grinding disc; the handle component is movably arranged on the fixed disk and communicated with the dust collection fan blade component, and is a hollow tube.

In one embodiment, the hood assembly includes a lower hood, an upper hood, and a dust guide cavity; the lower fan cover is fixedly arranged on the fixed disc and communicated with the through hole; the upper fan cover is arranged on the lower fan cover in a sealing way; the dust guide cavity is fixedly arranged in a cavity surrounded by the upper fan cover and the lower fan cover.

In one embodiment, the lower fan cover is provided with a dust collection opening, and the dust collection opening is fixedly communicated with the through hole; the upper fan cover is provided with a dust outlet in a penetrating way, and the dust outlet is communicated with the handle assembly through a dust suction pipe; and two ends of the dust guide cavity are respectively connected with the dust collection port and the dust outlet.

In one embodiment, the motor assembly includes a motor housing, a stator mechanism, and a rotor mechanism; the motor shell is a hollow cavity and is fixedly arranged on the fan cover assembly; the stator mechanism is fixedly arranged in the motor shell; the rotor mechanism movably penetrates through the stator mechanism and penetrates through the fan housing assembly to be connected with the connecting sleeve.

In one embodiment, the dust collection fan blade assembly comprises a rotating shaft and a dust collection fan blade main body; the rotating shaft is connected with the rotating shaft of the motor assembly through the connecting sleeve; the dust collection fan blade main body is fixedly arranged on the rotating shaft.

In one embodiment, the drive assembly includes a transfer gear and a drive shaft; the transmission large gear is meshed with the rotating shaft; the driving shaft is fixedly connected with the transmission large gear and the grinding disc respectively.

In one embodiment, the movable disk assembly comprises a movable disk body, a large brush, and a small brush arrangement; the movable disc main body is hollow annular, is fixedly arranged below the fixed disc and surrounds the millstone; the big hairbrush is fixedly arranged on the movable disc main body; the small hairbrush mechanism is detachably connected to the movable disc main body and is connected with the large hairbrush in a closed loop manner.

In one embodiment, the small brush mechanism comprises a connecting piece and a small brush main body, and the connecting piece is detachably connected to the movable disc main body through a fastening structure or a screw structure; the small hairbrush main body is fixedly arranged on the connecting piece and connected with the big hairbrush in a closed loop manner.

In one embodiment, the handle assembly includes a connecting rod and a connecting arm; the connecting rod is a hollow pipe; the connecting arm is movably arranged on the fixed disc and is communicated with the connecting rod.

In one embodiment, the side edge of the fixed disk is provided with a lamp belt in a surrounding mode.

Compared with the prior art, the polishing machine convenient for replacing parts has the beneficial effects that:

When the dust collection fan blade of the polisher convenient for replacing parts is needed to be replaced, the motor assembly is detached from the fan housing assembly, the rotating shaft of the motor assembly is taken out of the connecting sleeve, and then the fan housing assembly is opened to replace the dust collection fan blade arranged in the motor assembly, so that the dust collection fan blade is replaced conveniently and rapidly, and the problem that the dust collection fan blade of the conventional polisher is inconvenient to replace is effectively solved; meanwhile, when the corners of the wall are required to be polished, only the small hairbrush mechanism is required to be detached from the movable disc main body, so that the corners of the wall are convenient to polish, and the problem that the corners of the wall are inconvenient to polish by the existing polisher is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a sander for facilitating replacement of parts in accordance with the present utility model;

FIG. 2 is a schematic view of the alternative view of the sander of FIG. 1 in accordance with the present utility model, with the parts being easily replaced;

FIG. 3 is a schematic cross-sectional view of the sander of FIG. 1 in accordance with the present utility model, which facilitates replacement of components;

FIG. 4 is a schematic view of an exploded construction of the sander of FIG. 1, including a fan housing assembly and a removable pan assembly, for facilitating replacement of parts, in accordance with the present utility model;

FIG. 5 is a schematic view of an exploded construction of the fan housing assembly of FIG. 4;

Fig. 6 is a schematic view of an exploded construction of the movable disc assembly of fig. 4.

The figures indicate: 11, a fixed disc; 12, a fan housing assembly; 121, a down hood; 1211, a dust collection port; 122, upper hood; 1221, a dust outlet; 123, a dust guiding cavity; 13, a motor assembly; 131, a motor housing; 132, a stator mechanism; 133, a rotor mechanism; 14, connecting the sleeve; 15, a dust collection fan blade assembly; 151, rotating shaft; 152, dust collection fan blade main body; 16, a drive assembly; 161, a transmission gearwheel; 162, a drive shaft; 17, grinding disc; 18, a movable disc assembly; 181, a movable tray main body; 182, big brush; 183, small brush arrangements; 1831, connector; 1832, small brush body; a handle assembly 19; 191, connecting rod; 192, connecting arms; 1921, connection holes; 20, a lamp strip.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a polishing machine for facilitating replacement of parts according to the present utility model includes a fixed disc 11, a fan housing assembly 12, a motor assembly 13, a connecting sleeve 14, a dust suction fan blade assembly 15, a driving assembly 16, a polishing disc 17, a movable disc assembly 18 and a handle assembly 19; the fixed disc 11 is a supporting main body, and a through hole is formed in the supporting main body in a penetrating manner; the fan housing assembly 12 is arranged on the fixed disc 11 and is communicated with the through hole; the motor component 13 is arranged on the fan housing component 12 in a penetrating way; the connecting sleeve 14 and the dust collection fan blade assembly 15 are movably arranged in the fan housing assembly 12 in sequence, one end of the connecting sleeve 14 is connected with the motor assembly 13, the other end of the connecting sleeve is connected with the dust collection fan blade assembly 15, and the motor assembly 13 drives the dust collection fan blade assembly 15 to rotate under the action of the connecting sleeve 14, and meanwhile the motor assembly 13 and the dust collection fan blade assembly 15 are convenient to detach, so that the dust collection fan blade assembly 15 is convenient to replace; the driving component 16 is in meshed transmission connection with the dust collection fan blade component 15, and rotates along with the rotation of the dust collection fan blade component 15; the grinding disc 17 is movably arranged below the fixed disc 11 and is connected with the driving assembly 16, and the driving assembly 16 drives the grinding disc 17 to rotate, so that the grinding operation of the grinding disc 17 is realized; the movable disc assembly 18 is fixedly arranged below the fixed disc 11 and surrounds the grinding disc 17, a gap is formed between the movable disc assembly 18 and the grinding disc 17, the movable disc assembly 18 seals the grinding disc 17 to prevent dust ground by the grinding disc 17 from escaping, and therefore the ground dust sequentially passes through the gap between the movable disc assembly 18 and the grinding disc 17 and the through holes in the fixed disc 11 and enters the dust collection fan blade assembly 15 under the suction action of the dust collection fan blade assembly 15; the handle assembly 19 is a hollow tube, and is movably arranged on the fixed disk 11 and is communicated with the dust collection fan blade assembly 15 through a dust collection tube, and the other end of the handle assembly 19 is connected with a dust collection and storage device.

Referring to fig. 4 and 5, in the present embodiment, the fan housing assembly 12 includes a lower fan housing 121, an upper fan housing 122, and a dust guiding cavity 123; the lower fan housing 121 is fixedly arranged on the fixed disk 11 and is communicated with the through hole; the upper fan cover 122 is arranged on the lower fan cover 121 in a sealing way, a hollow cavity is formed between the upper fan cover and the lower fan cover, and the motor assembly 13 movably penetrates through the upper fan cover 122; the dust guide cavity 123 is fixedly arranged in the cavity, and the dust collection fan blade assembly 15 is movably arranged in the dust guide cavity 123; specifically, the lower fan cover 121 is provided with a dust collection opening 1211, and the dust collection opening 1211 is fixedly communicated with the through hole; the upper fan cover 122 is provided with a dust outlet 1221 in a penetrating way, and the dust outlet 1221 is communicated with the handle assembly 19 through a dust suction pipe; the two ends of the dust guiding cavity 123 are respectively connected to the dust collecting opening 1211 and the dust outlet 1221, which guide the dust absorbed by the dust collecting fan blade assembly 15.

Referring to fig. 1-4, in the present embodiment, the motor assembly 13 includes a motor housing 131, a stator mechanism 132, and a rotor mechanism 133; the motor housing 131 is a hollow cavity, and is fixedly arranged on the fan housing assembly 12 through a screw structure; the stator mechanism 132 is fixedly disposed in the motor housing 131; the rotor mechanism 133 is movably connected to the connection sleeve 14 through the stator mechanism 132 and through the fan housing assembly 12. Specifically, the connection sleeve 14 is movably disposed in the fan housing assembly 12 by a bearing.

Referring to fig. 3 and 4, in the present embodiment, the dust collection fan blade assembly 15 includes a rotation shaft 151 and a dust collection fan blade main body 152; the rotating shaft 151 is connected with the rotating shaft of the motor assembly 13 through the connecting sleeve 14, and the motor assembly 13 drives the rotating shaft 151 to rotate; the dust collection fan blade main body 152 is fixedly arranged on the rotating shaft 151 and rotates along with the rotation of the rotating shaft 151, so that suction force is generated to absorb dust polished by the grinding disc 17; specifically, a gear is disposed on the rotation shaft 151 and is in meshed transmission connection with the driving assembly 16 through the gear, and a bearing is further disposed on the rotation shaft 151 and rotates in the fan housing assembly 12 through the bearing.

Referring to fig. 3 and 4, in the present embodiment, the driving assembly 16 includes a transmission gear 161 and a driving shaft 162; the transmission large gear 161 is in meshed connection with the rotation shaft 151, so that the transmission large gear 161 rotates along with the rotation of the rotation shaft 151, and simultaneously, the output torque of the driving assembly 16 is increased; the driving shaft 162 is fixedly connected with the transmission large gear 161 and the grinding disc 17 respectively, so that the grinding disc 17 rotates to perform grinding operation.

Referring to fig. 4 and 6, in the present embodiment, the movable plate assembly 18 includes a movable plate body 181, a large brush 182, and a small brush mechanism 183; the movable disc main body 181 is hollow and annular, and is fixedly arranged below the fixed disc 11 and surrounds the grinding disc 17; the big hairbrush 182 is fixedly arranged on the movable disc main body 181; the small brush mechanism 183 is detachably connected to the movable disk body 181 and is connected with the large brush 182 in a closed loop, so that the ground dust is prevented from escaping. Specifically, the small brush mechanism 183 includes a connecting piece 1831 and a small brush body 1832, and the connecting piece 1831 is detachably connected to the movable disk body 181 by a snap structure or a screw structure; the small brush body 1832 is fixedly disposed on the coupling member 1831 and is closed-loop coupled with the large brush 182.

Referring to fig. 1-4, in this embodiment, the handle assembly 19 includes a connecting rod 191 and a connecting arm 192; the connecting rod 191 is a hollow tube; the connecting arm 192 is movably disposed on the fixed disk 11 and is in communication with the connecting rod 191, and the angle thereof can be adjusted relative to the fixed disk 11. Specifically, the connecting arm 192 is movably connected to the fixed disk 11 through a damping shaft, a connecting hole 1921 is provided on the connecting arm, and the connecting hole 1921 is communicated with the dust outlet 1221 through a dust suction pipe. In this embodiment, the side of the fixing plate 11 is provided with a light band 20 in a surrounding manner, and the light band 20 is used for providing illumination in a dark place. In this embodiment, the motor assembly 13 and the lamp belt 20 are respectively powered by connecting commercial power through electric wires; in other embodiments, power may also be provided by a built-in battery assembly.

It should be noted that, the specific working process of the polishing machine convenient for replacing parts of the utility model is as follows: the motor assembly 13 drives the dust collection fan blade assembly 15 to rotate through the connecting sleeve 14, meanwhile, as the driving assembly 16 is in meshed transmission connection with the dust collection fan blade assembly 15, the driving assembly 16 synchronously drives the grinding disc 17 to carry out grinding operation, dust ground by the grinding disc 17 sequentially passes through a gap between the movable disc assembly 18 and the grinding disc 17 and the through hole on the fixed disc 11 to enter the dust collection fan blade assembly 15 under the suction effect of the dust collection fan blade assembly 15, then enters the handle assembly 19 through the dust collection pipe, and finally is discharged from the tail part of the handle assembly 19; when the dust-collecting fan blade main body 152 needs to be replaced, the motor assembly 13 is only required to be detached from the fan housing assembly 12, the rotating shaft of the motor assembly 13 is taken out of the connecting sleeve 14, and then the fan housing assembly 12 is opened to replace the dust-collecting fan blade main body 152 arranged therein; when the corner of the wall needs to be polished, the small hairbrush mechanism 183 can be detached from the movable plate body 181, so that the corner of the wall is convenient to polish.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A polisher convenient for replacing parts is characterized by comprising a fixed disc, wherein a through hole is formed in the fixed disc in a penetrating mode; the fan cover component is arranged on the fixed disc and communicated with the through hole; the motor component is arranged on the fan cover component in a penetrating way; the motor assembly and the dust collection fan blade assembly are respectively connected with the motor assembly and the dust collection fan blade assembly at two ends of the connecting sleeve; the driving assembly is in meshed transmission connection with the dust collection fan blade assembly; the grinding disc is movably arranged below the fixed disc and fixedly connected with the driving component; the movable disc assembly is fixedly arranged below the fixed disc and surrounds the grinding disc; the handle component is movably arranged on the fixed disk and communicated with the dust collection fan blade component, and is a hollow tube.

2. A sanding machine for facilitating replacement of parts as defined in claim 1, wherein the hood assembly includes a lower hood, an upper hood and a dust guide cavity; the lower fan cover is fixedly arranged on the fixed disc and communicated with the through hole; the upper fan cover is arranged on the lower fan cover in a sealing way; the dust guide cavity is fixedly arranged in a cavity surrounded by the upper fan cover and the lower fan cover.

3. The polishing machine for parts convenient to replace according to claim 2, wherein the lower fan housing is provided with a dust suction port, and the dust suction port is fixedly communicated with the through hole; the upper fan cover is provided with a dust outlet in a penetrating way, and the dust outlet is communicated with the handle assembly through a dust suction pipe; and two ends of the dust guide cavity are respectively connected with the dust collection port and the dust outlet.

4. A sanding machine for facilitating replacement of parts as defined in claim 1, wherein the motor assembly includes a motor housing, a stator mechanism and a rotor mechanism; the motor shell is a hollow cavity and is fixedly arranged on the fan cover assembly; the stator mechanism is fixedly arranged in the motor shell; the rotor mechanism movably penetrates through the stator mechanism and penetrates through the fan housing assembly to be connected with the connecting sleeve.

5. The polishing machine for facilitating replacement of parts according to claim 1, wherein said dust collection blade assembly comprises a rotation shaft and a dust collection blade body; the rotating shaft is connected with the rotating shaft of the motor assembly through the connecting sleeve; the dust collection fan blade main body is fixedly arranged on the rotating shaft.

6. A sanding machine for facilitating replacement of parts as defined in claim 5, wherein the drive assembly includes a drive bull gear and a drive shaft; the transmission large gear is meshed with the rotating shaft; the driving shaft is fixedly connected with the transmission large gear and the grinding disc respectively.

7. A sanding machine for facilitating replacement of parts as defined in claim 1, wherein the movable disc assembly includes a movable disc body, a large brush and a small brush arrangement; the movable disc main body is hollow annular, is fixedly arranged below the fixed disc and surrounds the millstone; the big hairbrush is fixedly arranged on the movable disc main body; the small hairbrush mechanism is detachably connected to the movable disc main body and is connected with the large hairbrush in a closed loop manner.

8. A sanding machine for facilitating replacement of parts as defined in claim 7, wherein the small brush means includes a connector and a small brush body, the connector being detachably connected to the movable disk body by a snap-fit structure or a screw structure; the small hairbrush main body is fixedly arranged on the connecting piece and connected with the big hairbrush in a closed loop manner.

9. A sanding machine for facilitating replacement of a part according to any one of claims 1 to 8 wherein said handle assembly includes a connecting rod and a connecting arm; the connecting rod is a hollow pipe; the connecting arm is movably arranged on the fixed disc and is communicated with the connecting rod.

10. A sanding machine for facilitating replacement of a part according to any one of claims 1-8 wherein the side edges of the fixed disc are circumferentially provided with light strips.