CN203956219U - A kind of reciprocating saw - Google Patents
A kind of reciprocating saw Download PDFInfo
- Publication number
- CN203956219U CN203956219U CN201420388111.XU CN201420388111U CN203956219U CN 203956219 U CN203956219 U CN 203956219U CN 201420388111 U CN201420388111 U CN 201420388111U CN 203956219 U CN203956219 U CN 203956219U
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- Prior art keywords
- reciprocating
- chuck
- saw blade
- steel ball
- spinning cover
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Abstract
The utility model provides a kind of reciprocating saw, belongs to electric tool technical field.It has solved reciprocating saw in prior art can not realize the quick-detachment of saw blade and the problem of installation.This reciprocating saw comprises housing, in housing, be provided with reciprocating lever, one end of reciprocating lever connects a chuck, the other end of reciprocating lever connects can drive the reciprocating driving mechanism of reciprocating lever, the inner of chuck and described reciprocating lever are connected, the outer end of chuck offers the slot for the saw blade of pegging graft along the axis direction of chuck, on chuck, also offer the through hole from lateral wall to described slot, in through hole, be provided with the securing member that can slide along through-bore axis, on chuck, be also arranged with and can on chuck, rotate the spinning cover that securing member is pushed against or unclamp saw blade, spinning cover has annular inner wall, on the inwall of spinning cover, offer host cavity.This reciprocating saw can be realized quick-detachment and the installation of saw blade, simple to operate.
Description
Technical field
The utility model belongs to electric tool technical field, relates to a kind of reciprocating saw.
Background technology
Reciprocating saw is to have reciprocating lever and saw blade by power-actuated, and can carry out the saw class of default linear reciprocating or rail mounted cutting action.Saw blade is arranged on chuck by the installing hole of itself, and chuck is fixed on reciprocating lever.When the motor rotation of reciprocating saw, reciprocating lever drives chuck, thereby makes saw blade move back and forth sawing article.Due to saw blade easily wearing and tearing when in use, therefore need often to change saw blade.Traditional chuck clamping saw blade mode is to use screw locking saw blade, therefore, when changing saw blade, screw need to be turned on to replacing, so just relatively wastes time and energy.
The saw blade mounting structure of the reciprocating saw that the disclosed patent No. of Chinese patent literature is CN201210452708.1 for this reason, it comprises reciprocating lever, briquetting and saw blade hold down gag, reciprocating lever has accepting hole and through hole, accepting hole is arranged at one end of described reciprocating lever, and along described reciprocating lever, extend axially through hole and the perpendicular UNICOM of described accepting hole; Briquetting is contained in described through hole; Saw blade hold down gag is exercisable makes described briquetting have primary importance and the second place, and in primary importance, briquetting is pressed on saw blade in described accepting hole; In the second place, briquetting discharges saw blade; One end that reciprocating lever arranges described accepting hole is embedded with the back-up ring being surrounded by cylinder, and these back-up ring two ends extend to form two extensions towards its inside, between described two extensions, forms crack, and saw blade can enter in accepting hole through crack.This structure is arranged at the second place by briquetting carries out the dismounting of saw blade and installation, although this structure can realize saw blade dismounting and installation, and this complicated structure, complex operation can not be fast by saw blade dismounting and installation.
Summary of the invention
There are the problems referred to above for existing technology in the utility model, has proposed a kind of reciprocating saw, and this reciprocating saw can be realized quick-detachment and the installation of saw blade, simple to operate.
The utility model is realized by following technical proposal: a kind of reciprocating saw, comprise housing, in described housing, be provided with reciprocating lever, one end of reciprocating lever connects a chuck, the other end of reciprocating lever connects can drive the reciprocating driving mechanism of reciprocating lever, it is characterized in that, the inner of described chuck and described reciprocating lever are connected, the outer end of described chuck offers the slot for the saw blade of pegging graft along the axis direction of chuck, on described chuck, also offer the through hole from lateral wall to described slot, in described through hole, be provided with the securing member that can slide along through-bore axis, on described chuck, be also arranged with and can on chuck, rotate the spinning cover that securing member is pushed against or unclamp saw blade, described spinning cover has annular inner wall, on the inwall of described spinning cover, offer host cavity.
When securing member and spinning cover inwall contacts, securing member pushes against saw blade, securing member during over against host cavity securing member unclamp saw blade.In the situation that not needing to change saw blade, in this reciprocating saw, the inwall of spinning cover (except the inwall of host cavity part) contacts with securing member, stops the motion of securing member, thereby makes securing member push against saw blade, and saw blade is firmly fixed on chuck.Now reciprocating saw can be worked normally, and during work, driving mechanism drives reciprocating lever to move back and forth, thereby drives chuck and saw blade back and forth to move.When needs are changed saw blade, because securing member can slide along through-bore axis, therefore only need make the host cavity of spinning cover over against securing member in rotation spinning cover, now spinning cover is to the securing member constraint of not moving, when saw blade is taken out, securing member is along through-bore axis upward sliding, so saw blade can take out easily, in like manner also new saw blade easily can be inserted in slot.After new saw blade is inserted in slot, the inwall of spinning cover is contacted again, replacing that just can complete Pair of saw blades with securing member.Therefore this reciprocating saw can be realized quick-detachment and the installation of saw blade.In prior art, saw blade itself has installing hole.
In above-mentioned reciprocating saw, the inwall of wall one end, chamber of described host cavity and spinning cover smoothly joins, the inwall vertical connection of the other end and spinning cover.Because the inwall of wall one end, chamber of host cavity and spinning cover smoothly joins, during the rotation of spinning cover, securing member can be easily over against host cavity, also can easily make securing member from newly contacting with spinning cover inwall, it is excessive that the inwall vertical connection of the host cavity other end and spinning cover is avoided the rotation of spinning cover simultaneously.
In above-mentioned reciprocating saw, between described spinning cover and described housing, be provided with torsion spring, one end of described torsion spring is connected in described spinning and puts, and the described torsion spring other end is connected mutually with described chuck, on described spinning cover lateral wall, is also installed with spinning spanner.By being set, spinning spanner and torsion spring can facilitate the rotation of spinning cover, when pressing spinning spanner, compression torsion spring forwards host cavity over against securing member to, now can change saw blade, unclamp spinning spanner, torsion spring resets and again the inwall of spinning cover is rotated to securing member and contacted.
In above-mentioned reciprocating saw, described chuck inside is provided with a groove, and described groove notch is over against described through hole.When saw blade inserts slot, its installing hole is used for being close to groove notch, and groove notch is identical with saw blade installing hole size.By groove is set, securing member can be through the installing hole of saw blade in groove, thereby saw blade is positioned and fixed.
In above-mentioned reciprocating saw, described securing member comprises steel ball one, and described steel ball one can contact with the inwall of spinning cover, is provided with the steel ball two that can lean on groove notch between described steel ball one and described groove, described steel ball one and steel ball two mutually against.The diameter of steel ball two is greater than described through hole to the installing hole diameter of the distance between slot opening and saw blade, prevents that steel ball two from running out of.When steel ball one contacts with spinning cover inwall, steel ball two is through saw blade installing hole and lean on groove notch fixedly saw blade, when the host cavity of steel ball one and spinning cover over against time, extract saw blade steel ball one and steel ball two moves to through hole upper end, steel ball two from groove notch depart from, unclamp saw blade.
In above-mentioned reciprocating saw, described securing member is the cylinder that two ends have sphere, and described cylinder comprises that described cylinder lower end sphere can lean on groove notch for the upper end sphere against spinning cover inwall and the fixing lower end sphere of saw blade.Under normal circumstances, the inwall of spinning cover contact with the upper end sphere of cylinder against, the lower end sphere of cylinder pushes against saw blade, the host cavity overlapping when spinning is during over against the upper end sphere of cylinder, thereby now cylinder can move and unclamps the constraint to saw blade.
In above-mentioned reciprocating saw, described reciprocating lever is square, is installed with square sliding sleeve in described housing, and described reciprocating lever is plugged in described square sliding sleeve and can in square sliding sleeve, reciprocatingly slides.Reciprocating lever is set to square and is plugged in square sliding sleeve, can prevent the situation of reciprocating lever off-track when moving reciprocatingly.
In above-mentioned reciprocating saw, described driving mechanism comprises motor, driving wheel and connecting rod, described motor is connected with described driving wheel and can drives described driving wheel to rotate, on described driving wheel, be installed with biasing post, one end of described connecting rod and described biasing post are hinged, and the other end of described connecting rod and described reciprocating lever are hinged.During driving mechanism work, driven by motor driving wheel rotates, and driving wheel drives biasing post to rotate, and because connecting rod is hinged with biasing post and reciprocating lever respectively, therefore can drive reciprocating lever to move back and forth.
Compared with prior art, this reciprocating saw has the following advantages:
1, the utility model, by securing member and spinning cover are set, not only can guarantee that saw blade is when normal work, and saw blade can not become flexible, and can realize quick-detachment and the installation of saw blade.
2, the utility model can facilitate the rotation of spinning cover by spinning spanner and torsion spring are set, and makes to change saw blade more time saving and energy saving.
3, reciprocating lever of the present utility model is set to square and is plugged in square sliding sleeve, can prevent the situation of reciprocating lever off-track when moving reciprocatingly, thereby improves result of use and life-span.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model.
Fig. 2 is the structural representation after the utility model partial shell is removed.
Fig. 3 is the stereogram of chuck in the utility model embodiment mono-.
Fig. 4 is the cutaway view of chuck in the utility model embodiment mono-.
Fig. 5 is spinning nested structure schematic diagram of the present utility model.
Fig. 6 is the cutaway view of chuck in the utility model embodiment bis-.
In figure, 1, housing; 2, reciprocating lever; 3, chuck; 4, slot; 5, spinning cover; 6, through hole; 7, groove; 8, host cavity; 9, torsion spring; 10, spinning spanner; 11, steel ball one; 12, steel ball two; 13, square sliding sleeve; 14, motor; 15, driving wheel; 16, connecting rod; 17, biasing post; 18, cylinder.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-:
As shown in Fig. 1 to 5, reciprocating saw comprises housing 1, is provided with reciprocating lever 2 in housing 1, and one end of reciprocating lever 2 connects a chuck 3, and the other end of reciprocating lever 2 connects can drive the reciprocating driving mechanism of reciprocating lever 2.Reciprocating lever 2 is square, is installed with square sliding sleeve 13 in housing 1, and reciprocating lever 2 is plugged in described square sliding sleeve 13 and can in square sliding sleeve 13, reciprocatingly slides, and as preferred square sliding sleeve 13, is two.The inner of chuck 3 and described reciprocating lever 2 are connected, and the outer end of chuck 3 offers the slot 4 for the saw blade of pegging graft along the axis direction of chuck 3.On chuck 3, also offer the through hole 6 from lateral wall to described slot 4, in through hole 6, be provided with the securing member that can slide along through hole 6 axis, chuck inside is provided with a groove, groove notch is over against described through hole, when saw blade inserts slot, its installing hole is used for being close to groove notch, and groove notch is identical with saw blade installing hole size, as preferably, the bottom surface of groove 7 is hemispherical.
On chuck 3, be also arranged with the spinning cover 5 that can make securing member push against or unclamp saw blade, spinning cover 5 has annular inner wall, on the inwall of spinning cover 5, offer host cavity 8, when securing member and spinning overlap 5 inwalls and contacts, securing member pushes against saw blade, securing member during over against host cavity 8 securing member unclamp saw blade.Between spinning cover 5 and described housing 1, be provided with torsion spring 9, one end of torsion spring 9 is connected on described spinning cover 5, and torsion spring 9 other ends are connected mutually with described chuck 3.Spinning overlaps and on 5 lateral walls, is also installed with spinning spanner 10, and when securing member and spinning overlap 5 inwalls and contacts, securing member pushes against saw blade, securing member during over against host cavity 8 securing member unclamp saw blade.
Securing member comprises steel ball 1, and the inwall of steel ball 1 and spinning cover 5 contacts, and is provided with the steel ball 2 12 that can lean on groove 7 notches between steel ball 1 and described groove 7, steel ball 1 and steel ball 2 12 mutually against.When steel ball one 11 contact spinning overlap 5 inwall, steel ball 1 is fixed and can not move with steel ball 2 12, and the diameter of steel ball 2 12 is greater than described through hole 6 to the distance between groove 7, and the diameter of steel ball 2 12 is greater than the installing hole diameter of saw blade.As preferably, steel ball 1 is identical with the diameter of steel ball 2 12, and steel ball 1 and steel ball 2 12 contact with the inwall of through hole 6 and can slide along through hole 6 axis.Steel ball 2 12 is for leaning at groove 7 openings through the installing hole of saw blade, and groove 7 can hold steel ball 2 12 through the part of saw blade installing hole, and as preferably, groove 7 can the part through saw blade installing hole agree with mutually with steel ball.Above-mentioned steel ball 1 and steel ball 2 12, also can be by other metals as replacements such as iron ball, shots.
As preferably, driving mechanism comprises motor 14, driving wheel 15 and connecting rod 16, and motor 14 is connected with described driving wheel 15 and can drives described driving wheel 15 to rotate, and is installed with biasing post 17 on driving wheel 15.One end of connecting rod 16 and described biasing post 17 are hinged, and the other end of connecting rod 16 and described reciprocating lever 2 are hinged.Also can be by piston cylinder as driving mechanism in practical operation, hinged between the piston rod of piston rod and reciprocating lever 2.
Below operation principle of the present utility model:
In the situation that not needing to change saw blade, the inwall of spinning cover 5 (except host cavity 8 parts) contacts with steel ball 1, thereby hinder the movement of steel ball 1, due to steel ball 1 and steel ball 2 12 against, and steel ball 1 and steel ball 2 12 contact with the inwall of through hole 6, steel ball 2 12 leans on groove 7 notches through the installing hole of saw blade.Therefore, steel ball 1 and steel ball 2 12 all can not move, and now the part of steel ball 2 12 outside saw blade installing hole pushes against saw blade, and saw blade can not be moved, thereby saw blade is firmly fixed on chuck 3.When motor 14 is opened, motor 14 drives driving wheel 15 to rotate, driving wheel 15 drives biasing post 17 to rotate, because connecting rod 16 is hinged with biasing post 17 and reciprocating lever 2 respectively, therefore can drive reciprocating lever 2 to move back and forth, chuck 3 is arranged on reciprocating lever 2, thereby so saw blade along with the reciprocating lever 2 sawing article that move back and forth.Because reciprocating lever 2 is set to square and is plugged in square sliding sleeve 13, therefore can prevent the situation of reciprocating lever 2 off-track when moving reciprocatingly.
When needs are changed saw blade, only need to press spinning spanner 10, spinning cover 5 is rotated, in the time of 5 rotation of spinning cover, compress torsion spring 9.Host cavity 8 on spinning cover 5 is rotated to over against steel ball 1, and now spinning cover 5 does not slide and stops steel ball 1, saw blade easily can be extracted.Extract principle as follows: because steel ball 2 12 has spherical surface, when therefore saw blade is extracted, steel ball 2 12 can drive steel ball 1 along the axial upward sliding of through hole 6, and again because steel ball 1 has not had resistance, so saw blade is extracted easily.After saw blade is extracted, steel ball 2 12 and steel ball 1 are due to gravity down sliding, steel ball 2 12 leans groove 7 notches again, now new saw blade is inserted in slot 4, saw blade moves upward steel ball 2 12 and steel ball 1, the installing hole that passes new saw blade when steel ball 2 12 leans the location that has just completed new saw blade on groove 7 notches, now unclamp again spinning spanner 10, torsion spring 9 resets and again the inwall of spinning cover 5 is rotated to steel ball 1 and contacted, thereby completes fixing new saw blade.
As can be seen from the above the utility model only need to carry out shirtsleeve operation by spinning spanner 10 and just can control the degree of tightness of saw blade, thereby realizes quick-detachment and the installation of saw blade, simple and convenient practical.And reciprocating lever 2 of the present utility model is set to square and is plugged in square sliding sleeve 13, can prevent the situation of reciprocating lever 2 off-track when moving reciprocatingly, thereby improve result of use and life-span.
Embodiment bis-:
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, embodiment bis-is basic identical with structure and the principle of embodiment mono-, its difference is: securing member is the cylinder 18 that two ends have sphere, cylinder 18 comprises that cylinder 18 lower end spheres can lean on groove 7 notches for overlap the upper end sphere of 5 inwalls and the fixing lower end sphere of saw blade against spinning.Under normal circumstances, the inwall of spinning cover 5 contact with the upper end sphere of cylinder 18 against, the lower end sphere of cylinder 18 pushes against saw blade, when the host cavity 8 of spinning cover 5 is during over against the upper end sphere of cylinder 18, now thereby cylinder 18 can move and unclamp the constraint to saw blade, now can carry out the replacing to saw blade, change principle identical with embodiment mono-.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as housing 1, reciprocating lever 2, chuck 3, slot 4, spinning cover 5, through hole 6, groove 7, host cavity 8, torsion spring 9, spinning spanner 10, steel ball 1, steel ball 2 12, square sliding sleeve 13, motor 14, driving wheel 15, connecting rod 16, biasing post 17, cylinder 18 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. a reciprocating saw, comprise housing (1), in described housing (1), be provided with reciprocating lever (2), one end of reciprocating lever (2) connects a chuck (3), the other end of reciprocating lever (2) connects can drive the reciprocating driving mechanism of reciprocating lever (2), it is characterized in that, the inner of described chuck (3) and described reciprocating lever (2) are connected, the outer end of described chuck (3) offers the slot (4) for the saw blade of pegging graft along the axis direction of chuck (3), on described chuck (3), also offer the through hole (6) from lateral wall to described slot (4), in described through hole (6), be provided with the securing member that can slide along through hole (6) axis, on described chuck (3), being also arranged with can be at the upper spinning cover (5) that securing member is pushed against or unclamp saw blade that rotates of chuck (3), described spinning cover (5) has annular inner wall, on the inwall of described spinning cover (5), offer host cavity (8).
2. reciprocating saw according to claim 1, is characterized in that, wall one end, chamber of described host cavity (8) and the inwall of spinning cover (5) smoothly join, the inwall vertical connection of the other end and spinning cover (5).
3. reciprocating saw according to claim 2, it is characterized in that, between described spinning cover (5) and described housing (1), be provided with torsion spring (9), one end of described torsion spring (9) is connected on described spinning cover (5), described torsion spring (9) other end is connected mutually with described chuck (3), on described spinning cover (5) lateral wall, is also installed with spinning spanner (10).
4. according to the reciprocating saw described in claim 1 or 2 or 3, it is characterized in that, described chuck (3) inside is provided with a groove (7), and described groove (7) notch is over against described through hole (6).
5. reciprocating saw according to claim 4, it is characterized in that, described securing member comprises steel ball one (11), described steel ball one (11) can contact with the inwall of spinning cover (5), between described steel ball one (11) and described groove (7), be provided with the steel ball two (12) that can lean on groove (7) notch, described steel ball one (11) and steel ball two (12) mutually against.
6. reciprocating saw according to claim 4, it is characterized in that, described securing member is the cylinder (18) that two ends have sphere, described cylinder (18) comprises that described cylinder (18) lower end sphere can lean on groove (7) notch for the upper end sphere against spinning cover (5) inwall and the fixing lower end sphere of saw blade.
7. reciprocating saw according to claim 5, it is characterized in that, described reciprocating lever (2) is square, in described housing (1), be installed with square sliding sleeve (13), described reciprocating lever (2) is plugged in described square sliding sleeve (13) and can in square sliding sleeve (13), reciprocatingly slides.
8. reciprocating saw according to claim 7, it is characterized in that, described driving mechanism comprises motor (14), driving wheel (15) and connecting rod (16), described motor (14) is connected with described driving wheel (15) and can drives described driving wheel (15) to rotate, on described driving wheel (15), be installed with biasing post (17), one end of described connecting rod (16) and described biasing post (17) are hinged, and the other end of described connecting rod (16) and described reciprocating lever (2) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388111.XU CN203956219U (en) | 2014-07-14 | 2014-07-14 | A kind of reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388111.XU CN203956219U (en) | 2014-07-14 | 2014-07-14 | A kind of reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956219U true CN203956219U (en) | 2014-11-26 |
Family
ID=51916858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388111.XU Expired - Fee Related CN203956219U (en) | 2014-07-14 | 2014-07-14 | A kind of reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203956219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838880A (en) * | 2016-09-21 | 2018-03-27 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
| CN108479160A (en) * | 2018-05-29 | 2018-09-04 | 贵州杉海沿环保科技有限责任公司 | Percolate from garbage filling field processing unit |
| CN110142456A (en) * | 2018-02-13 | 2019-08-20 | 大里兴业有限公司 | Pneumatic tool |
-
2014
- 2014-07-14 CN CN201420388111.XU patent/CN203956219U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838880A (en) * | 2016-09-21 | 2018-03-27 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
| CN107838880B (en) * | 2016-09-21 | 2023-11-07 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
| CN110142456A (en) * | 2018-02-13 | 2019-08-20 | 大里兴业有限公司 | Pneumatic tool |
| CN108479160A (en) * | 2018-05-29 | 2018-09-04 | 贵州杉海沿环保科技有限责任公司 | Percolate from garbage filling field processing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20200714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |