CN201376211Y

CN201376211Y - Wall grinding machine

Info

Publication number: CN201376211Y
Application number: CN200920151287U
Authority: CN
Inventors: 应志宁
Original assignee: 应志宁
Current assignee: RUIQI HOLDING CO., LTD.
Priority date: 2009-04-20
Filing date: 2009-04-20
Publication date: 2010-01-06
Anticipated expiration: 2019-04-20

Abstract

The utility model relates to a wall grinding machine which comprises a grinding head and a hand lever, wherein the front end of the hand lever is extended with a cantilever; the grinding head is rotatably arranged on the tail end of the cantilever by a swing shaft; the grinding head is also provided with a suction hood which sucks dust generated during grinding and processing a workpiece; a supporting structure which comprises a suction hose and a swing element is arranged between the suction hood and the front end of the hand lever, wherein a helical spring steel wire is embedded into the suction hose; the swing element bears the supporting in the spring by a torsional spring; and under the action of the spring steel wire and the torsional spring, when not in using, the grinding head can keep a relative fixed initial position, thus ensuring that when in using, the grinding head can be conveniently glued with the wall surface.

Description

A kind of wall sander

Technical field:

The utility model relates to a kind of electrical equipment that wall surface is polished and cleaned, particularly a kind of wall sander.

Background technology:

As the disclosed a kind of long-neck grinding machine that wall surface is polished and cleaned of patent DE69615879C2, comprise hollow handle and grinding machine head, the rotatable hollow handle front end that is installed in of grinding machine head, comprise mill and suction hood, motor is installed in handle rear end and rotates by the mill in the flexible axle drive grinding machine head, by mill to the wall cleaning of polishing, the hole of the dust that produces during grinding on mill enters suction hood, after suction hose, hollow hand lever enters in the dust catcher that is connected with hollow hand lever rear end, and the problem that dust disorderly flies when effectively having solved grinding has guaranteed the cleaning of working environment, simultaneously, because grinding machine head is the rotatable front end that is connected hand lever, during grinding, grinding machine head can not be subjected to the influence of the current gradient of hand lever, remain its original position, but, when this grinding machine head does not use, will uncontrolledly swing back and forth, the relatively-stationary initial position of neither one, at this moment, if will be again with grinding machine head upper millstone applying wall, it be pretty troublesome to seem.

The utility model content:

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of wall sander is provided, and this polishing function remains on grinding machine head on the relatively-stationary initial position when grinding machine head does not use.

A kind of wall sander that provides according to the utility model, comprise a grinding machine head and a hand lever, hand lever front end extension has a cantilever, grinding machine head is by the rotatable cantilevered distal end that is installed in of a swinging axle, the suction hood of the dust that produces when also being equipped with a suction grinding workpiece on the grinding machine head, be provided with a supporting construction between described hand lever front end and the described suction hood, this supporting construction comprises swing element and suction hose, wherein, the rotatable hand lever front end that is connected of swing element, suction hose one end is communicated with described suction hood, and the other end passes described swing element and is connected with the hand lever front end.

The utility model also has following attached technical characterictic:

Described swing element comprises a sleeve and is symmetrically set in two bearings fork on this sleeve periphery wall, and described hand lever front end is provided with two projections, and the end portion of two bearings fork is connected with two projections are rotatable respectively, is provided with torsion spring between each bearing fork and the projection.

Described sleeve is combined by two lobe bearing shells, corresponding respectively being fixedly connected on the two bearing shell outer walls of two described bearing forks.

Described suction hose comprises is responsible for part, end section and connecting leg, and the two ends of connecting leg are inserted respectively and are responsible for part and end section and both are linked together.

Person in charge's part and end section are corrugated hose on the described suction hose, wherein, are responsible for and embed the spring steel wire that spiral is arranged on the tube wall partly.

The end section of described suction hose passes described sleeve, and passes until the hand lever front end between described two bearings fork, two projections.

Described torsion spring is to reverse bolt spring, this reverse bolt spring be installed between described bearing fork end portion and the described projection and supporting in the above.

A kind of wall sander that provides according to the utility model with respect to the advantage of prior art is:

In the utility model, between suction hood and hand lever front end, be provided with a supporting construction of forming by suction hose and swing element, wherein, embed the spring steel wire that spiral is arranged on the suction hose, swing element bears spring force by torsion spring and supports, under the effect of spring steel wire and torsion spring, grinding machine head can keep a relatively-stationary initial position when not using, and the assurance grinding machine head can easily be fitted with metope in use.

Description of drawings:

Introduce the utility model in detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a syndeton schematic diagram of being responsible for part, end section, connecting leg and sleeve in the utility model;

Fig. 3 is the sectional structure schematic diagram of A-A among the Fig. 1 after amplifying;

Fig. 4 is a structural representation of being responsible for part in the utility model.

The specific embodiment:

With reference to Fig. 1, a kind of wall sander that provides according to the utility model, comprise a grinding machine head 1 and a hand lever 2, this hand lever 2 is a hollow body, its front end extension has a cantilever 21, grinding machine head 1 is by a swinging axle 3 rotatable cantilever 21 ends that are installed in, the suction hood 4 of the dust that produces when being equipped with a suction grinding workpiece on the grinding machine head 1, be used for the mill 8 of grinding workpiece and drive the motor 9 that mill 8 rotates, be provided with a supporting construction between hand lever 2 front ends and the suction hood 4, this supporting construction comprises swing element 5 and suction hose 6, wherein, swing element 5 rotatable hand lever 2 front ends that are connected, suction hose 6 one ends are communicated with suction hood 4, the other end passes swing element 5 and is connected with hand lever 2 front ends, when wall is carried out grinding, by 8 pairs of walls of mill cleaning of polishing, the hole of the dust that produces during grinding on mill 8 enters suction hood 4, after suction hose 6, hand lever 2 inside enter in the dust catcher that is connected with hand lever 2 rear ends, the problem that dust disorderly flies when effectively having solved grinding, guaranteed the cleaning of working environment, simultaneously, because grinding machine head 1 is the rotatable front end that is connected hand lever 2, during grinding, grinding machine head 1 can not be subjected to the influence of the current gradient of hand lever 2, remain its original position, during not grinding, supporting construction between hand lever 2 front ends and the suction hood 4 can make grinding machine head 1 keep a relatively-stationary initial position, so that grinding machine head can easily be fitted with metope when reusing.

Swing element 5 comprises a sleeve 51 and is symmetrically set in two bearings fork 52 on these sleeve 51 periphery walls, hand lever 2 front ends are provided with two projections 22, the end portion of two bearings fork 52 respectively with 22 rotatable connections of two projections, be provided with torsion spring 7 between each bearing fork 52 and the projection 22, torsion spring 7 is to reverse bolt spring, this reverse that bolt spring is installed in that bearing is pitched between 52 end portion and the projection 22 and supporting in the above, swing element 5 can rotate around joint shaft 53, and resets under the elastic force effect of torsion spring 7.

Suction hose 6 comprises is responsible for part 61, end section 62 and connecting leg 63, the two ends of connecting leg 63 are inserted respectively and are responsible for part 61 and end section 62 and both are linked together, embed the spring steel wire 63 that spiral is arranged on the tube wall of person in charge's part 61, this spring steel wire 63 is the energy compress energy storage when being extruded, after extruding force disappears, its accumulation of energy is released, force the grinding machine head 1 that is attached thereto to reset, the end section 62 of suction hose 6 passes sleeve 51, and from two bearings fork 52, pass between two projections 51 until hand lever 7 front ends, then be placed in the sleeve 51 with connecting leg 63 parts on the suction hose 6, do not rabbet spring steel wire 63 on the end section 62, only as transmitting dust.

In sum, the grinding machine head 1 rotatable front end that is connected hand lever 2, during grinding, grinding machine head 1 can not be subjected to the influence of the current gradient of hand lever 2, remains its original position, simultaneously, hand lever 2 has carried out compression and has made its accumulation of energy above-mentioned spring steel wire 63 and torsion spring 7, during not grinding when tilting, grinding machine head 1 leaves wall, at grinding machine head under the elastic force effect of spring steel wire 63 and torsion spring 7 around swinging axle 3 rotation and be returned on the fixing initial position with respect to hand lever 2.

Sleeve 51 is combined by two lobe bearing shells 511, is convenient to install two corresponding respectively being fixedly connected on two bearing shells, 511 outer walls of bearing fork 52.

The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims

1, a kind of wall sander, comprise a grinding machine head (1) and a hand lever (2), hand lever (2) front end extension has a cantilever (21), grinding machine head (1) is by rotatable cantilever (21) end that is installed in of a swinging axle (3), the suction hood (4) of the dust that produces when also being equipped with a suction grinding workpiece on the grinding machine head (1), it is characterized in that: be provided with a supporting construction between described hand lever (2) front end and the described suction hood (4), this supporting construction comprises swing element (5) and suction hose (6), wherein, rotatable hand lever (2) front end that is connected of swing element (5), suction hose (6) one ends are communicated with described suction hood (4), and the other end passes described swing element (5) and is connected with hand lever (2) front end.

2, a kind of wall sander as claimed in claim 1, it is characterized in that: described swing element (5) comprises a sleeve (51) and is symmetrically set in two bearings forks (52) on this sleeve (51) periphery wall, described hand lever (2) front end is provided with two projections (22), the end portion of two bearings fork (52) respectively with rotatable connection of two projections (22), be provided with torsion spring (7) between each bearing fork (52) and the projection (22).

3, a kind of wall sander as claimed in claim 2 is characterized in that: described sleeve (51) is combined by two lobe bearing shells (511), and what two described bearing forks (52) were corresponding respectively is fixedly connected on two bearing shells (511) outer wall.

4, a kind of wall sander as claimed in claim 2, it is characterized in that: described suction hose (6) comprises is responsible for part (61), end section (62) and connecting leg (63), and the two ends of connecting leg (63) are inserted respectively and are responsible for partly (61) and end section (62) and both are linked together.

5, a kind of wall sander as claimed in claim 4 is characterized in that: described suction hose (6) is gone up person in charge's part (61) and end section (62) is corrugated hose, wherein, embeds the spring steel wire (63) that spiral is arranged on the tube wall of person in charge's part (61).

6, a kind of wall sander as claimed in claim 5 is characterized in that: the end section (62) of described suction hose (6) passes described sleeve (51), and passes until hand lever (2) front end between described two bearings fork (52), two projections (51).

7, a kind of wall sander as claimed in claim 6 is characterized in that: described torsion spring (7) is to reverse bolt spring, this reverse bolt spring be installed between described bearing fork (52) end portion and the described projection (22) and supporting in the above.