Polishing machine for automobile

Abstract

The utility model relates to the technical field of automobile maintenance, and discloses an automobile polisher which comprises a polisher body, a hollow shaft is fixedly installed on a motor shell of the polisher body, a sleeve is coaxially and rotatably installed on the hollow shaft, and a first butt joint hole is formed in the hollow shaft in the sleeve. A second butt-joint hole corresponding to the first butt-joint hole is formed in the sleeve in a penetrating manner, so that the second butt-joint hole can be intermittently aligned with the first butt-joint hole in the moving process; a spray pipe communicated with the butt-joint hole is fixed on the sleeve, so that the motion trail of the bottom of the spray pipe passes below a polishing head of the polishing machine main body; a feeding pipe communicated with the interior of the hollow shaft is further arranged on the hollow shaft, and a polishing agent supply module is connected to the feeding pipe. The sleeve, the spray pipe, the storage barrel and the like are mounted on the motor of the polishing machine body, so that a polishing agent does not need to be smeared to the polishing head by manually holding the tank body in the whole process, the polishing work efficiency is improved, and less waste is caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile maintenance, more specifically, the utility model relates to a polishing machine for automobile. BACKGROUND

[0002] After the surface of the automobile is sprayed, small defects such as coarse particles, sandpaper marks, flow marks, reverse white, and orange peel may appear on the paint film surface. In order to compensate for these defects, grinding and polishing treatment is usually performed after spraying to improve the mirror effect of the paint film and achieve the requirements of brightness, smoothness, and brilliance. The existing polishing machine for automobile is mainly a handheld small polishing machine. When polishing, liquid polishing agent needs to be sprayed on the polishing head, and then the polishing head is rotated by the motor on the polishing machine body to polish the surface of the automobile. During the polishing process, liquid polishing agent needs to be sprayed on the polishing head every certain period of time to obtain better polishing effect. The existing polishing agent spraying method mainly relies on manual spraying of the polishing agent storage tank on the polishing head, which is not only low in efficiency but also easy to cause waste of polishing agent due to misalignment of the polishing head. SUMMARY

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a polishing machine for automobile to solve the problem of manual spraying of the polishing agent storage tank on the polishing head, which is not only low in efficiency but also easy to cause waste of polishing agent due to misalignment of the polishing head.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a polishing machine for automobile, comprising a polishing machine body, a hollow shaft is fixedly installed on the motor housing of the polishing machine body, the hollow shaft is arranged in parallel with the handle of the polishing machine body, a sleeve is coaxially rotatably installed on the hollow shaft, a first butt joint hole is formed in the hollow shaft in the sleeve, a second butt joint hole corresponding to the first butt joint hole is formed through the sleeve, so that the second butt joint hole can be intermittently aligned with the first butt joint hole during movement, a spray pipe is fixedly installed on the sleeve and communicates with the butt joint hole, so that the movement track of the bottom of the spray pipe passes below the polishing head of the polishing machine body, and a feeding pipe communicating with the inside of the hollow shaft is further arranged on the hollow shaft, and a polishing agent supply module is connected to the feeding pipe.

[0005] As a preferred technical scheme of the utility model, the spray pipe is in the shape of L as a whole, and a plurality of spray openings are formed on the side of the spray pipe away from the sleeve along the length direction of the spray pipe.

[0006] As a preferred technical scheme of the utility model, the polishing agent supply module comprises a storage cylinder, the bottom end of the storage cylinder is provided with a discharge pipe, the discharge pipe is connected with the feeding pipe, the top end of the storage cylinder is fixedly provided with a sealing cover, a gas inlet is formed through the sealing cover, a first piston is coaxially installed in the storage cylinder, a first one-way valve is installed in the gas inlet, a gas cylinder is fixedly installed on the sealing cover and covers the gas inlet, a second piston is coaxially installed in the gas cylinder, a plurality of air vents are formed through the second piston, and a second one-way valve is installed in the air vent.

[0007] As a preferred technical scheme of the utility model, the outer surface of the feeding pipe is provided with external threads, the inner wall of the discharge pipe is provided with internal threads, and the feeding pipe and the discharge pipe are connected together through threads.

[0008] As a preferred technical scheme of the utility model, a pressing rod is coaxially fixed on the second piston.

[0009] As a preferred technical scheme of the utility model, the bottom of the storage cylinder is conical.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] When the polishing agent needs to be added to the polishing head of the polishing machine, the sleeve is rotated by the operator, so that the second connecting hole on the sleeve is rotated to the aligned position with the first connecting hole on the hollow shaft, at this time, on the one hand, the spray pipe is rotated to the lower side of the polishing head, and on the other hand, the liquid polishing agent in the storage cylinder is pushed by the first piston, enters the hollow shaft through the feeding pipe, and is injected into the spray pipe through the hollow shaft, so that the spray nozzle on the spray pipe sprays the polishing agent to the polishing head, when the amount of spraying is appropriate, the operator rotates the sleeve again, so that the first connecting hole is offset from the connecting hole, and the spray pipe is rotated to the upper side of the polishing head, so that the spraying of the polishing agent is stopped, and then the polishing machine can be operated to polish, the whole process does not need manual holding of the tank to polish the polishing head, the polishing work efficiency is improved, and waste is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The utility model discloses a polishing machine for automobile Figure 1 ;

[0013] Figure 2 The utility model discloses a polishing machine for automobile Figure 2 ;

[0014] Figure 3 It is the partial section structure schematic drawing of the utility model discloses a polishing machine for automobile.

[0015] Figure 4 It is a polishing machine's spray pipe structure schematic view for the utility model of an automobile;

[0016] Figure 5 It is a polishing machine's storage cylinder internal structure schematic view for the utility model of an automobile.

[0017] In the drawing: 1, polishing machine main body;2, hollow shaft;3, sleeve;4, second butt joint hole;5, spray pipe;6, spout;7, first butt joint hole;8, storage cylinder;9, discharge pipe;10, feeding pipe;11, first piston;12, inflating port;13, first check valve;14, inflator;15, second piston;16, air vent;17, second check valve;18, pressure rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] As Figures 1 to 5 shown, the utility model provides a kind of polishing machine for automobile, including polishing machine main body 1, hollow shaft 2 is fixedly installed on the motor housing of polishing machine main body 1, hollow shaft 2 both ends are sealed, hollow shaft 2 is arranged in parallel with the handle of polishing machine main body 1, sleeve 3 is coaxially rotatably installed on hollow shaft 2, first butt joint hole 7 is opened in hollow shaft 2 in sleeve 3, second butt joint hole 4 corresponding with first butt joint hole 7 is opened through in sleeve 3, so that second butt joint hole 4 can be intermittently aligned with first butt joint hole 7 in the process of movement;Spray pipe 5 is fixed with butt joint hole communication on sleeve 3, to make the movement track of the bottom of spray pipe 5 pass through the polishing head below of polishing machine main body 1;Hollow shaft 2 is also provided with feeding pipe 10 that is communicated with its interior, and polishing agent supply module is connected on feeding pipe 10.

[0020] Spray pipe 5 is L-shaped as a whole, and a plurality of spouts 6 are opened on the side of spray pipe 5 away from sleeve 3 along the length direction thereof. Spray pipe 5 is set to L type, so that spray pipe 5 can be rotated to the polishing head below of polishing machine main body in the process of rotation, and spray pipe 5 is provided with a plurality of spouts 6, which can uniformly spray polishing agent to polishing head.

[0021] The polishing agent supply module comprises a storage cylinder 8, the bottom end of the storage cylinder 8 is provided with a discharge pipe 9, the discharge pipe 9 is connected with a feeding pipe 10, the top end of the storage cylinder 8 is fixed with a sealing cover, a gas inlet 12 is formed through the sealing cover, a first piston 11 is coaxially installed in the storage cylinder 8, the first piston 11 is fixedly connected with the sealing cover through a return spring, when the first piston 11 moves downward, the return spring is in a stretched state, so that after the air pressure in the storage cylinder 8 is balanced, the return spring will automatically pull the first piston 11 to reset. A first one-way valve 13 is installed in the gas inlet 12, a gas cylinder 14 covering the gas inlet 12 is fixedly installed on the sealing cover, a second piston 15 is coaxially installed in the gas cylinder 14, a plurality of air vents 16 are formed through the second piston 15, and a second one-way valve 17 is installed in the air vent 16. The first one-way valve 13 has two working states, the first working state is that when external gas enters the storage cylinder 8 through the gas inlet 12, the first one-way valve 13 is in an open state, and the second working state is that when the gas in the storage cylinder 8 flows out through the gas inlet 12, the first one-way valve 13 is in a closed state; the second one-way valve 17 has two working states, the first working state is that when external gas enters the gas cylinder 14 through the air vent 16, the second one-way valve 17 is in an open state, and the second working state is that when the gas in the gas cylinder 14 flows out through the air vent 16, the second one-way valve 17 is in a closed state; through the cooperation of the first one-way valve 13 and the second one-way valve 17, the gas cylinder 14 can press the gas into the storage cylinder 8 in one direction. When it is necessary to extrude the polishing agent in the storage cylinder 8, an operator drives the second piston 15 to input external gas into the storage cylinder 8 between the piston and the sealing cover by reciprocatingly pressing a pressure rod 18, so that the partial air pressure increases, and after the first connecting hole 7 and the second connecting hole 4 are aligned, the second piston 15 can be automatically pushed downward under the action of the air pressure, so that the partial air pressure can be kept at a low level before the polishing agent is extruded, and the overflow of the polishing agent due to excessive pressure applied by the piston to the storage cylinder 8 is avoided.

[0022] An outer thread is formed on the outer surface of the feeding pipe 10, and an inner thread is formed on the inner wall of the discharge pipe 9, the feeding pipe 10 and the discharge pipe 9 are screwed together. By adopting the threaded connection mode, the two are firmly connected together, and the situation that the storage cylinder 8 is broken due to excessive pressure can be avoided. A pressure rod 18 is fixedly arranged on the second piston 15 in a coaxial manner. The bottom of the storage cylinder 8 is conical. The conical bottom is more conducive to the smooth extrusion of the polishing agent into the feeding pipe 10 by the first piston 11.

[0023] The utility model discloses a liquid polishing agent adding device, which comprises a hollow shaft 2, a sleeve 3, a storage cylinder 8, a feeding pipe 10 and a spray pipe 5.

[0024] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments or applications of a novel concept. One of ordinary skill in the art will recognize that elements from one embodiment can be used in combination with elements of the other embodiments. It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise specified, terms of degree such as "substantially", "approximately", "generally", "close", and "nearly" are used herein to mean "essentially", "effectively", "virtually", "nearly", or "as good as" something, to within typical tolerances of the devices and / or methods in question, or to within typical ranges expected by one of ordinary skill in the relevant art(s) to which the disclosed device(s) and / or method(s) pertain and / or other similar meanings. Other definitions will be apparent to one of ordinary skill in the art.

[0025] While the embodiments of the present application have been illustrated and described, it will be clear that the embodiments of the present application are not limited to just the embodiments described and shown. As described herein, many modifications, variations, alterations, and equivalents can be made of the present application without departing from the spirit and scope of the present application, which are defined by the following claims and their equivalents.

Claims

1. A polisher for a vehicle, comprising a polisher main body (1), characterized by: The motor housing of the polishing machine body (1) is fixedly provided with a hollow shaft (2), which is arranged in parallel with the handle of the polishing machine body (1); the hollow shaft (2) is coaxially provided with a sleeve (3); the hollow shaft (2) in the sleeve (3) is provided with a first butt joint hole (7); the sleeve (3) is provided with a second butt joint hole (4) corresponding to the first butt joint hole (7), so that the second butt joint hole (4) can be intermittently aligned with the first butt joint hole (7) during movement; the sleeve (3) is fixedly provided with a spray pipe (5) communicated with the butt joint hole, so that the movement track of the bottom of the spray pipe (5) passes below the polishing head of the polishing machine body (1); the hollow shaft (2) is further provided with a feeding pipe (10) communicated with the inside of the hollow shaft (2); and the feeding pipe (10) is connected with a polishing agent supply module.

2. The polisher for a vehicle according to claim 1, characterized by: The spray pipe (5) is in the shape of L as a whole, and a plurality of spray openings (6) are formed on the spray pipe (5) away from the sleeve (3) and along the length direction of the spray pipe (5).

3. The polisher for a vehicle according to claim 1, characterized by: The polishing agent supply module comprises a storage cylinder (8), the bottom end of the storage cylinder (8) is provided with a discharging pipe (9), the discharging pipe (9) is butt jointed with the feeding pipe (10), the top end of the storage cylinder (8) is fixedly provided with a sealing cover, the sealing cover is provided with a gas inlet (12) penetratingly formed thereon, the storage cylinder (8) is coaxially provided with a first piston (11) telescopically installed therein, the gas inlet (12) is provided with a first one-way valve (13) installed therein, the sealing cover is fixedly provided with a gas cylinder (14) covering the gas inlet (12), the gas cylinder (14) is coaxially provided with a second piston (15) telescopically installed therein, the second piston (15) is provided with a plurality of air vents (16) penetratingly formed thereon, and the air vents (16) are provided with second one-way valves (17) installed therein.

4. The polisher for a vehicle according to claim 3, characterized by: The outer surface of the feeding pipe (10) is provided with external threads, and the inner wall of the discharging pipe (9) is provided with internal threads; and the feeding pipe (10) and the discharging pipe (9) are threadedly connected together.

5. The polisher for a vehicle according to claim 3, characterized by: The second piston (15) is coaxially fixedly provided with a pressing rod (18).

6. The polisher of claim 3 wherein: The bottom of the storage cylinder (8) is in the shape of a cone.

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