CN202021530U - Sander - Google Patents
Sander Download PDFInfo
- Publication number
- CN202021530U CN202021530U CN2010206886418U CN201020688641U CN202021530U CN 202021530 U CN202021530 U CN 202021530U CN 2010206886418 U CN2010206886418 U CN 2010206886418U CN 201020688641 U CN201020688641 U CN 201020688641U CN 202021530 U CN202021530 U CN 202021530U
- Authority
- CN
- China
- Prior art keywords
- polishing
- plate
- sander
- connecting plate
- locking piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a sander including a casing, a motor accommodated in the casing and a grinding head driven by the motor; the grinding head includes a connection board, a polishing board, a locking device for locking the polishing board, the polishing board rotates with respect to the connection board, the locking device is arranged on one of the connection board and the polishing board, the locking device includes an elastic member and a locking member capable of automatically compensating wearing gaps, the locking member is in a non-clearance fit with the other of the connection board and the polishing board to prevent the relative movement between the connection board and the polishing board. Such a simple structure realizes the automatic compensation of the wearing gaps of the sander, so the polishing board is reliable in locking and the sanding efficiency is ensured.
Description
Technical field
The utility model relates to a kind of sander, the rotating sander of the plate of especially polishing.
Background technology
Sander is widely used in all trades and professions as a kind of milling tools.Existing sander is made up of casing, motor, transmission device, output shaft, swinging mounting and bistrique, motor links to each other with output shaft by transmission device, driving output shaft rotates at a high speed, bistrique is connected in the output shaft lower end by the eccentric block bearing, and bistrique is connected on the casing by swinging mounting, such structure arrangement makes bistrique do the high speed swinging action, thereby body surface is carried out sanding.
In use; the operator often utilizes the narrow places such as front end polishing corner of bistrique; so sticking on the front end of the sand paper on the bistrique lower surface can wear and tear earlier usually; operator's sand paper of need tearing rotated an angle and affixed to again on the bistrique again this moment, during such operating cost, loaded down with trivial details, reduced operating efficiency.Therefore, occurred the rotating sander of polishing plate in the prior art, promptly the polishing plate of bistrique can rotate with respect to connecting plate, and like this, when the sand paper front end wore and tore, the operator only need rotate the polishing plate, can realize the transposition of sand paper.
The rotating sander of above-mentioned polishing plate also has a locking device usually, is used for the polishing plate is locked in the desired position, and this locking device is normally by realizing locking with the cooperating between the plate of polishing.Because sander can produce vibration in the course of the work inevitably, vibration can cause the wearing and tearing of locking device and polishing plate cooperation place for a long time, make cooperation between the two produce the gap, the polishing plate also just can not be locked well, therefore, when operation, produce relative motion between polishing plate and the connecting plate, do high speed swinging together and can not follow connecting plate well, had a strong impact on the sanding effect.
Summary of the invention
Defective at above-mentioned prior art existence, the utility model provides a kind of sander, the locking device that this sander has rotating polishing plate and locks this polishing plate, this locking device has the wearing and tearing that automatic compensation causes because of vibration, make that the locking of polishing plate is reliable, polishing plate and connecting plate do not have relative motion on direction of rotation.
For solving above technical problem, the utility model adopts following technical scheme:
A kind of sander comprises:
One casing;
One is contained in the motor in the casing;
One by motor-driven bistrique;
Described bistrique comprises:
A plate,
A dozen nog plates, described polishing plate is connected on the connecting plate rotationally,
One is used to lock the locking device of polishing plate, and described locking device is installed in connecting plate and the polishing plate one of them,
It is characterized in that: but described locking device comprises the locking piece in an elastic component and a compensate for wear gap, and another the no gap in described locking piece and connecting plate and the polishing plate cooperates.
The wearing clearance that described locking piece compensation makes progress in bistrique week.
Described locking piece comprises a wedge-shaped part, comprises groove on the described polishing plate, and wedge-shaped part matches with the groove of polishing on the plate.
Described wedge-shaped part comprises at least one inclined-plane, and the inclined-plane pushes against on the side of the groove on the polishing plate.
Described locking piece comprises a locking press button for operator presses.
Described elastic component is a stage clip, and described stage clip is between connecting plate and wedge-shaped part.
Described locking piece comprises one and has imperfect columniform securement head, comprises the hole of imperfect circle on the described connecting plate, and securement head matches with the hole.
Described sander also comprises the suggestion device that a dozen nog plates are rotated in place.
Described suggestion device comprises at least one steel bushing and a stage clip, and stage clip partly is contained in the steel bushing.
Description of drawings
Fig. 1 is the phantom of the first-selected embodiment of sander of the present utility model;
Fig. 2 is the part explosive view of sander of the present utility model;
Fig. 3 is the enlarged drawing of locking piece;
Fig. 4 is the explosive view of the suggestion device that is rotated in place;
Fig. 5 is the explosive view of the suggestion device that is rotated in place of another width of cloth.
The specific embodiment
Be described in further detail below in conjunction with the specific embodiment of accompanying drawing sander of the present utility model.
As shown in Figure 1, be example with triangle sand, sander comprises casing 1, and motor 2 is contained in the casing 1, and motor 2 links to each other with output shaft 4 by transmission device 3, and drive output shaft 4 is done high speed rotary motion.In conjunction with illustrated in figures 1 and 2, bistrique 5 comprises connecting plate 51 and polishing plate 52, both shape unanimities.Polishing plate 52 has a convex 53, and bearing 7 is positioned at convex 53, and with the inner surface interference fit of convex 53, thereby the motion of output shaft 4 directly is passed to polishing plate 52.Connecting plate 51 has hole 510, and by cooperating of hole 510 and convex 53, connecting plate 51 is socketed on the polishing plate 52, makes polishing plate 52 to rotate with respect to connecting plate 51.Eccentric block 6 is installed on the output shaft 4, and bearing 7 is enclosed within on the eccentric block 6, and fixing by screw 8, thereby realizes the axial restraint of polishing plate 52 and connecting plate 51.One end of swinging mounting 9 is installed in the casing 1, and the other end is installed on the connecting plate 51, and such structure arrangement makes bistrique 5 do the high speed swinging action under the driving of motor 2.
When assembling, bearing 7 is installed on the polishing plate 52, then bearing 7 is enclosed within on the output shaft 4, with screw 8 lockings, carry out axial location, like this, polishing plate 52 just can not fall down, can only rotate, need not to adopt bayonet socket device of the prior art that connecting plate 51 is connected with polishing plate 52, directly be connected with output shaft 4 but polishing plate 52 passes through bearing 7, the location has advantage like this: compact conformation, need not design bayonet socket device between polishing plate and connecting plate, be beneficial to moulding; Reliability is better; Rotate around bearing during the rotation of polishing plate, rotation easily.
The locking device 10 that is used to lock polishing plate 52 is installed in connecting plate 51, and this locking device 10 comprises stage clip 11 and locking piece 12.As shown in Figure 3, locking piece 12 comprises securement head 13, wedge-shaped part 14 and locking press button 15.Wherein, securement head 13 is incomplete cylinder, correspondingly, has the hole 54 of an imperfect circle on the connecting plate 51, but in securement head 13 patchholes 54, this imperfect cylinder rotates with preventing locking piece 12 cooperating of imperfect circular port.Wedge-shaped part 14 has at least one inclined-plane 16, and preferably, in the present embodiment, wedge-shaped part 14 has two inclined-planes 16.Stage clip 11 is enclosed within on the locking piece 12, and between connecting plate 51 and wedge-shaped part 14, and the elastic force of its generation to extrapolation, makes locking piece 12 be in the lock state wedge-shaped part 14 and locking press button 15.In conjunction with Fig. 2, shown in Figure 3, polishing has three grooves 55 on the plate 52, corresponding respectively three limits of triangle polishing plate 52, and the wedge-shaped part 14 of locking piece 12 can cooperate with one of them groove 55, thus the fixed-site of the plate 52 of will polishing.Preferably, groove 55 is a wedge-shaped slot, helps the insertion of wedge-shaped part 14 like this.
Under confined state, two inclined-planes 16 of wedge-shaped part 14 push against respectively in the both sides of groove 54, make wedge-shaped part 14 and groove 55 closely cooperate.After the long-time running of sander, its vibration will cause the wearing and tearing of wedge-shaped part 14 or groove 55, make cooperation between the two produce the gap, and the elastic force of stage clip 11 with wedge-shaped part 14 to extrapolation, make inclined-plane 16 push against all the time on the two sides of groove 54, thereby remedied wearing clearance, make wedge-shaped part 14 and groove 55 remain no gap and cooperate that therefore, the locking of polishing plate 52 is reliable, and on direction of rotation, do not have relative motion between the connecting plate 51, guaranteed sanding efficient.
In conjunction with Fig. 4 and shown in Figure 5, comprise a suggestion device that is rotated in place between connecting plate 51 and the polishing plate 52, this device comprises at least one stage clip 56 and a steel bushing 57, stage clip 56 can partly be contained in the steel bushing 57, in the present embodiment, preferably, be provided with three steel bushings and three stage clips.As shown in Figure 4, polishing has three 58, three steel bushings 57 of U type groove that are positioned at around the convex 53 on the plate 52 and lays respectively in three U type grooves 58.As shown in Figure 5, connecting plate 51 has three blind holes that Open Side Down 59, and its position is relative with U type groove 58, and the upper end of stage clip 56 is accommodated in the blind hole 59.When polishing plate 52 rotated with respect to connecting plate 51, the rotation of polishing plate 52 made steel bushing 57 compression press springs 56, and moved upward and contract to blind hole 59; When polishing plate 52 when being rotated in place, because U type groove 58 is relative with blind hole 59 positions, steel bushing 57 moves down and falls in the U type groove 58, and send " " one, prompting operation person's plate 52 of polishing has been rotated in place, this suggestion device has increased the feel of rotary manipulation.
When the sand paper front end on being bonded at polishing plate 52 lower surfaces is worn, the operator can press locking press button 15, make wedge-shaped part 14 and groove 54 break away from, at this moment, the rotatable polishing of operator plate 52, when hear " " one the time, prompting polishing plate 52 has rotated 120 °, and another sand paper tip goes to the front end of bistrique 5, and this moment is after the operator unclamps locking press button 15, wedge-shaped part 14 automatically enters under the effect of elastic force in the groove 54, and polishing plate 52 is by auto lock.
The above is a preferred implementation of the present utility model, and in other embodiments, locking device 10 also can be installed on the polishing plate 52, thereby locking piece 12 cooperates the locking of the plate of also realizing polishing with groove on the connecting plate.
Above-described embodiment is an example with triangle sand, but the utility model is not limited on this product, and the utility model also can be applicable on other sanders that need transposition, for example dull and stereotyped sand.
Claims (9)
1. sander comprises:
One casing;
One is contained in the motor in the casing;
One by motor-driven bistrique;
Described bistrique comprises:
A plate,
A dozen nog plates, described polishing plate is connected on the connecting plate rotationally,
One is used to lock the locking device of polishing plate, and described locking device is installed in connecting plate and the polishing plate one of them,
It is characterized in that: but described locking device comprises the locking piece in an elastic component and a compensate for wear gap, and another the no gap in described locking piece and connecting plate and the polishing plate cooperates.
2. sander according to claim 1 is characterized in that: the wearing clearance that described locking piece compensation makes progress in bistrique week.
3. sander according to claim 1 is characterized in that: described locking piece comprises a wedge-shaped part, comprises groove on the described polishing plate, and wedge-shaped part matches with the groove of polishing on the plate.
4. sander according to claim 3 is characterized in that: described wedge-shaped part comprises at least one inclined-plane, and the inclined-plane pushes against on the side of the groove on the polishing plate.
5. sander according to claim 4 is characterized in that: described locking piece comprises a locking press button for operator presses.
6. sander according to claim 5 is characterized in that: described elastic component is a stage clip, and described stage clip is between connecting plate and wedge-shaped part.
7. sander according to claim 1 is characterized in that: described locking piece comprises one and has imperfect columniform securement head, comprises the hole of imperfect circle on the described connecting plate, and securement head matches with the hole.
8. sander according to claim 1 also comprises the suggestion device that a dozen nog plates are rotated in place.
9. sander according to claim 8 is characterized in that: described suggestion device comprises at least one steel bushing and a stage clip, and stage clip partly is contained in the steel bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206886418U CN202021530U (en) | 2010-12-27 | 2010-12-27 | Sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206886418U CN202021530U (en) | 2010-12-27 | 2010-12-27 | Sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202021530U true CN202021530U (en) | 2011-11-02 |
Family
ID=44846498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206886418U Expired - Fee Related CN202021530U (en) | 2010-12-27 | 2010-12-27 | Sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202021530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608052A (en) * | 2013-11-04 | 2015-05-13 | 南京德朔实业有限公司 | Sanding machine |
-
2010
- 2010-12-27 CN CN2010206886418U patent/CN202021530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608052A (en) * | 2013-11-04 | 2015-05-13 | 南京德朔实业有限公司 | Sanding machine |
| CN104608052B (en) * | 2013-11-04 | 2016-12-07 | 南京德朔实业有限公司 | Sanding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20131227 |