CN220161415U - reciprocating saw - Google Patents
reciprocating saw Download PDFInfo
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- CN220161415U CN220161415U CN202321600320.1U CN202321600320U CN220161415U CN 220161415 U CN220161415 U CN 220161415U CN 202321600320 U CN202321600320 U CN 202321600320U CN 220161415 U CN220161415 U CN 220161415U
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- slide bar
- saw blade
- sliding rod
- saw
- reciprocating saw
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000011324 bead Substances 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 18
- 238000009434 installation Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a reciprocating saw, which aims at the problem that the running efficiency of the reciprocating saw in the prior art can be improved, and belongs to the technical field of electric tools, and the reciprocating saw comprises a motor for providing power for the reciprocating saw, a slide bar and a transmission mechanism, wherein the transmission mechanism comprises a large gear meshed with an output shaft of the motor, an eccentric structure is arranged on the large gear, a self-rotating guide wheel is arranged on the eccentric structure, a first end of the slide bar is sleeved on the guide wheel, a saw blade is arranged at a second end of the slide bar, a guide wheel baffle is arranged between the eccentric structure and the slide bar, and a shaft sleeve is sleeved on the slide bar close to the second end of the slide bar; the diameter of the rod body of the sliding rod is smaller than the width of the saw blade. The diameter of the sliding rod is smaller than the width of the saw blade, and the weight of the whole sliding rod is reduced, so that the effective power of the reciprocating saw is improved, the running efficiency of the reciprocating saw is improved, and the purposes of energy conservation and consumption reduction are achieved.
Description
Technical Field
The utility model belongs to the technical field of electric tools, and particularly relates to a reciprocating saw.
Background
The reciprocating saw converts circular motion into eccentric reciprocating motion through the transmission assembly to drive the saw blade to reciprocate, so that cutting operation is realized. The diameter of the sliding rod of the reciprocating saw in the prior art is generally larger, the diameter of the sliding rod is matched with the saw blade, the saw blade can be completely clamped in the sliding rod, the diameter of the sliding rod is generally larger than or equal to the width of a clamping part of the saw blade, the size of the sliding rod determines the weight of the sliding rod, the reciprocating saw pushes the sliding rod to reciprocate back and forth to realize the cutting function of the reciprocating saw, and if the weight of the sliding rod can be reduced, the driving force of the reciprocating saw can be certainly reduced, so that the running efficiency of the reciprocating saw is increased, energy is saved, and consumption is reduced.
Disclosure of Invention
The utility model provides a reciprocating saw, which aims at the problem that the running efficiency of the reciprocating saw in the prior art can be improved.
The utility model aims at realizing the following technical scheme: the reciprocating saw comprises a motor for providing power for the reciprocating saw, a slide bar and a transmission mechanism, wherein the transmission mechanism is connected with the motor and the slide bar and drives the slide bar to reciprocate, the transmission mechanism comprises a large gear meshed with an output shaft of the motor, an eccentric structure is arranged on the large gear, a guide wheel capable of rotating is arranged on the eccentric structure, a first end of the slide bar is sleeved on the guide wheel, a saw blade is arranged at a second end of the slide bar, a guide wheel baffle plate is further arranged between the eccentric structure and the slide bar, the lower end face of the first end of the slide bar moves on the baffle plate, and a shaft sleeve is sleeved on the slide bar close to the second end of the slide bar; the diameter of the rod body of the sliding rod is smaller than the width of the saw blade.
In the scheme, the eccentric structure performs eccentric motion to drive the slide bar seat to reciprocate, the baffle plate and the shaft sleeve are respectively positioned at two sides of the slide bar, and both ends of the slide bar are supported to keep the slide bar to horizontally run. The diameter of the sliding rod is smaller than the width of the saw blade, and the weight of the whole sliding rod is reduced, so that the effective power of the reciprocating saw is improved, the running efficiency of the reciprocating saw is improved, and the purposes of energy conservation and consumption reduction are achieved.
Preferably, a guide device is further arranged above the first end of the sliding rod. The guide device not only plays a guiding role in the running direction of the slide rod, but also can limit the first end of the slide rod from moving upwards, keep the horizontal movement of the slide rod, ensure that the driving force of the transmission mechanism can be effectively acted on the reciprocating motion of the slide rod, and reduce the idle work of the slide rod in other directions.
Preferably, the baffle is annular, the inner ring of the baffle is square, the baffle is provided with an opening towards the direction of the sliding rod, four corners of the inner ring of the baffle are rounded corners, and four sides of the inner ring of the baffle are provided with arc-shaped guide notches recessed towards the outer ring. The space in the inner ring of the baffle plate is a movable space in which the guide wheel performs eccentric circular motion, and because the guide wheel performs eccentric circular motion on an eccentric structure, the motion track of the guide wheel is elliptical, the guide notches arranged on the four sides of the inner ring of the baffle plate are arranged according to the motion track of the guide wheel, so that the friction force of the guide wheel to the inner ring of the baffle plate is reduced, the baffle plate can limit the motion track of the guide wheel in an original state when the transmission mechanism generates relative deflection of the gear due to the motion vibration of the reciprocating saw, and the motion track of the reciprocating saw is not changed along with the relative displacement of the gear, so that the operation stability of the reciprocating saw is ensured.
Preferably, the transmission mechanism comprises an upper gear cover and a lower gear cover, and the large gear, the eccentric structure, the baffle plate, the guide wheel, the first end of the sliding rod and the guiding device are all arranged between the upper gear cover and the lower gear cover.
Preferably, the guiding device comprises a cover plate, a first surface and a second surface, the first surface and the second surface are respectively positioned on two sides of the cover plate, the first surface and the second surface are horizontally arranged, a vertical guiding wall is arranged between the first surface and the second surface, the guiding device covers the first end of the sliding rod, the first end of the sliding rod is positioned between the guiding walls on two sides, a gap is reserved between the upper end face of the first end of the sliding rod and the first surface, and a gap is reserved between two sides of the first end of the sliding rod and the corresponding guiding wall.
Preferably, a saw blade mounting groove for inserting a saw blade is formed in the second end head of the sliding rod, a fixing sleeve is sleeved at the sliding rod part provided with the saw blade mounting groove, a saw blade inlet and outlet hole parallel to the saw blade mounting groove is formed in the fixing sleeve, and the length of the saw blade inlet and outlet hole is larger than the width of a mounting handle of the saw blade; one side of the saw blade mounting groove is transversely provided with a pin hole penetrating through the sliding rod and the fixing sleeve, a pin is arranged in the pin hole, the other side of the saw blade mounting groove is transversely provided with a bead hole penetrating through the sliding rod and the fixing sleeve, a plurality of limiting beads are arranged in the bead hole, and the fixing sleeve is sleeved with a rotating sleeve.
The fixed cover has been established to the head cover of slide bar installation saw blade, and slide bar and fixed cover cooperation are used, can install into the saw blade under the condition that the diameter of slide bar is less than the width of the installation handle of saw blade to can install the saw blade with the slide bar of minor diameter, the weight of whole slide bar will alleviate after the diameter of slide bar diminishes, thereby make reciprocating saw's effective power promote, increased reciprocating saw's operating efficiency, realize energy saving and consumption reduction's purpose.
Preferably, the inner wall of the rotating sleeve facing the fixed sleeve is provided with a concave bead pressing groove, the depth of a groove hole of the bead pressing groove is from deep to shallow along the rotating direction of the rotating sleeve, and when the end face with the shallower depth of the bead pressing groove is pressed on the limiting bead, the limiting bead part positioned at the end of the saw blade mounting groove is inserted into the clamping hole of the saw blade.
Preferably, the inner wall of the rotating sleeve facing the fixed sleeve is also provided with a concave limiting groove, one end part of the pin penetrates into the limiting groove to be in contact with the groove wall of the limiting groove, and the other end of the pin does not enter the saw blade mounting groove in the sliding rod.
Compared with the prior art, the utility model has the following beneficial effects: the eccentric structure of the utility model moves eccentrically to drive the slide bar seat to reciprocate, the baffle plate and the shaft sleeve are respectively positioned at two sides of the slide bar, and the two ends of the slide bar are supported to keep the slide bar to horizontally run. The diameter of the sliding rod is smaller than the width of the saw blade, and the weight of the whole sliding rod is reduced, so that the effective power of the reciprocating saw is improved, the running efficiency of the reciprocating saw is improved, and the purposes of energy conservation and consumption reduction are achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a front view of a flap;
FIG. 4 is a schematic view of the structure of the guide device;
FIG. 5 is a schematic view of the structure of the slide bar;
FIG. 6 is an exploded view of the slide bar;
FIG. 7 is an enlarged sectional view taken in the direction A-A of FIG. 5;
FIG. 8 is an end schematic view of the mounting of the retaining sleeve on the slide bar.
The marks in the figure: 1. a motor; 2. an upper gear cover; 3. a lower gear cover; 4. a large gear; 5. an eccentric structure; 6. a guide wheel; 7. a baffle; 71. an opening; 72. a guide notch; 73. round corners; 8. a slide bar; 81. saw blade mounting slots; 82. a fixed sleeve; 83. saw blade inlet and outlet holes; 84. a pin hole; 85. a pin; 86. a bead hole; 87. limiting beads; 88. a rotating sleeve; 89. a bead pressing groove; 810. a limit groove; 9. a guide device; 91. a cover plate; 92. a first surface; 93. a second surface; 94. a guide wall; 10. a shaft sleeve; 11. saw blade.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
as shown in fig. 1 to 4, a reciprocating saw comprises a motor 1 for providing power for the reciprocating saw, a slide bar 8 and a transmission mechanism, wherein the transmission mechanism is connected with the motor 1 and the slide bar 8 and drives the slide bar 8 to reciprocate, the transmission mechanism comprises an upper gear cover 2 and a lower gear cover 3, and a large gear 4, an eccentric structure 5, a baffle 7, a guide wheel 6 and the slide bar 8 are arranged between the upper gear cover 2 and the lower gear cover 3. The output shaft of the motor 1 is meshed with the large gear 4, an eccentric structure 5 is arranged on the large gear 4, a guide wheel 6 capable of rotating is arranged on the eccentric structure 5, a first end of a slide bar 8 is sleeved on the guide wheel 6, a saw blade is arranged at a second end of the slide bar 8, a baffle 7 of the guide wheel 6 is further arranged between the eccentric structure 5 and the slide bar 8, a lower end face of the first end of the slide bar 8 moves on the baffle 7, and a shaft sleeve 10 is sleeved on the slide bar 8 close to the second end of the slide bar 8.
The baffle 7 is annular, the inner ring of the baffle 7 is square, the baffle 7 is provided with an opening 71 towards the sliding rod 8, four corners of the inner ring of the baffle 7 are fillets 73, and four sides of the inner ring of the baffle 7 are provided with arc-shaped guide notches 72 which are recessed towards the outer ring. The space in the inner ring of the baffle plate 7 is the movable space in which the guide wheel 6 performs eccentric circular motion, and because the guide wheel 6 performs eccentric circular motion on the eccentric structure 5, the motion track corresponding to the guide wheel 6 is elliptical, the guide notches 72 arranged on the four sides of the inner ring of the baffle plate 7 are arranged according to the motion track of the guide wheel 6, so that the friction force of the guide wheel 6 to the inner ring of the baffle plate 7 is reduced, the baffle plate 7 can limit the motion track of the guide wheel 6 in an original state when the transmission mechanism generates relative offset of the gear due to the running vibration of the reciprocating saw, and the motion track of the reciprocating saw is not changed along with the relative displacement of the gear, thereby ensuring the running stability of the reciprocating saw.
The first end top of slide bar 8 still is equipped with guider 9, guider 9 includes apron 91, first surface 92 and second surface 93 are located the both sides of apron 91 respectively, first surface 92 and second surface 93 all transversely level set up, be equipped with vertical guide wall 94 between first surface 92 and the second surface 93, guider 9 covers the first end at slide bar 8, the first end of slide bar 8 is located between the guide wall 94 of both sides, the first end up end and the first surface 92 of slide bar 8 have the clearance, there is the clearance between the both sides of the first end of slide bar 8 and the guide wall 94 that corresponds.
As shown in fig. 5 to 8, a saw blade mounting groove 81 into which the saw blade 11 is inserted is formed in the second end head of the sliding rod 8, a fixing sleeve 82 is sleeved at the sliding rod 8 part provided with the saw blade mounting groove 81, a saw blade inlet and outlet hole 83 parallel to the saw blade mounting groove 81 is formed in the fixing sleeve 82, and the length of the saw blade inlet and outlet hole 83 is larger than the width of the mounting handle of the saw blade 11; one side of the saw blade mounting groove 81 is transversely provided with a pin hole 84 penetrating through the slide bar 8 and the fixed sleeve 82, a pin 85 is arranged in the pin hole 84, the other side of the saw blade mounting groove 81 is transversely provided with a bead hole 86 penetrating through the slide bar 8 and the fixed sleeve 82, a plurality of limit beads 87 are arranged in the bead hole 86, and a rotating sleeve 88 is sleeved on the fixed sleeve 82.
The fixed sleeve 82 has been established to the head cover of slide bar 8 installation saw blade 11, and slide bar 8 and fixed sleeve 82 cooperation are used, can install into saw blade 11 under the condition that the diameter of slide bar 8 is less than the width of the installation handle of saw blade 11 to can install saw blade 11 with the slide bar 8 of minor diameter, the weight of whole slide bar 8 will alleviate after the diameter of slide bar 8 diminishes, thereby make the effective power of reciprocating saw promote, increased the operating efficiency of reciprocating saw, realize energy saving and consumption reduction's purpose.
The inner wall of the rotating sleeve 88 facing the fixed sleeve 82 is provided with a concave bead pressing groove 89, the depth of a groove hole of the bead pressing groove 89 is from deep to shallow along the rotating direction of the rotating sleeve 88, and when the end face with the shallower depth of the bead pressing groove 89 is pressed on the limiting bead 87, the limiting bead 87 at the end of the saw blade mounting groove 81 is partially inserted into the clamping hole of the saw blade 11.
The inner wall of the rotating sleeve 88 facing the fixed sleeve 82 is also provided with a concave limit groove 810, one end of the pin 85 goes deep into the limit groove 810 and contacts with the groove wall of the limit groove 810, and the other end of the pin 85 does not enter the saw blade mounting groove 81 in the sliding rod 8.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The reciprocating saw comprises a motor (1) for providing power for the reciprocating saw, a slide bar (8) and a transmission mechanism, and is characterized in that the transmission mechanism is connected with the motor (1) and the slide bar (8) and drives the slide bar (8) to reciprocate, the transmission mechanism comprises a large gear (4) meshed with an output shaft of the motor (1), an eccentric structure (5) is arranged on the large gear (4), a guide wheel (6) capable of rotating is arranged on the eccentric structure (5), a first end of the slide bar (8) is sleeved on the guide wheel (6), a saw blade is mounted at a second end of the slide bar (8), a guide wheel (6) baffle (7) is further arranged between the eccentric structure (5) and the slide bar (8), a lower end face of the first end of the slide bar (8) moves on the baffle (7), and a shaft sleeve (10) is sleeved on the slide bar (8) close to a second end of the slide bar (8); the diameter of the rod body of the sliding rod (8) is smaller than the width of the saw blade.
2. A reciprocating saw according to claim 1, characterized in that the slide bar (8) is further provided with guiding means (9) above the first end.
3. The reciprocating saw as defined in claim 2, wherein the guiding means (9) comprises a cover plate (91), a first surface (92) and a second surface (93), the first surface (92) and the second surface (93) are respectively located at two sides of the cover plate (91), the first surface (92) and the second surface (93) are horizontally arranged, a vertical guiding wall (94) is arranged between the first surface (92) and the second surface (93), the guiding means (9) covers the first end of the sliding rod (8), the first end of the sliding rod (8) is located between the guiding walls (94) at two sides, a gap exists between the upper end face of the first end of the sliding rod (8) and the first surface (92), and a gap exists between two sides of the first end of the sliding rod (8) and the corresponding guiding wall (94).
4. The reciprocating saw of claim 1, wherein the baffle plate (7) is annular, the inner ring of the baffle plate (7) is square, the baffle plate (7) is provided with an opening (71) towards the sliding rod (8), four corners of the inner ring of the baffle plate (7) are round corners (73), and four sides of the inner ring of the baffle plate (7) are provided with arc-shaped guide notches (72) recessed towards the outer ring.
5. A reciprocating saw according to claim 2, characterized in that the transmission mechanism comprises an upper gear cover (2) and a lower gear cover (3), wherein the large gear (4), the eccentric structure (5), the stop piece (7), the guide wheel (6), the first end of the slide bar (8), the guiding means (9) are all mounted between the upper gear cover (2) and the lower gear cover (3).
6. The reciprocating saw as defined in claim 1, wherein a saw blade mounting groove (81) into which the saw blade (11) is inserted is formed in the second end portion of the sliding rod (8), a fixing sleeve (82) is sleeved on the sliding rod (8) portion provided with the saw blade mounting groove (81), a saw blade inlet and outlet hole (83) parallel to the saw blade mounting groove (81) is formed in the fixing sleeve (82), and the length of the saw blade inlet and outlet hole (83) is larger than the width of a mounting handle of the saw blade (11); one side of the saw blade mounting groove (81) is transversely provided with a pin hole (84) penetrating through the sliding rod (8) and the fixed sleeve (82), a pin (85) is arranged in the pin hole (84), the other side of the saw blade mounting groove (81) is transversely provided with a bead hole (86) penetrating through the sliding rod (8) and the fixed sleeve (82), a plurality of limit beads (87) are arranged in the bead hole (86), and a rotating sleeve (88) is sleeved on the fixed sleeve (82).
7. The reciprocating saw as defined in claim 6, wherein the inner wall of the rotating sleeve (88) facing the fixed sleeve (82) is provided with a concave bead pressing groove (89), the depth of the groove hole of the bead pressing groove (89) is from deep to shallow along the rotating direction of the rotating sleeve (88), and when the end face with the shallower depth of the bead pressing groove (89) presses on the limiting bead (87), the limiting bead (87) at the end of the saw blade mounting groove (81) is partially inserted into the clamping hole of the saw blade (11).
8. The reciprocating saw of claim 6, wherein the inner wall of the rotating sleeve (88) facing the fixed sleeve (82) is further provided with a concave limiting groove (810), one end of the pin (85) goes deep into the limiting groove (810) to be in contact with the groove wall of the limiting groove (810), and the other end of the pin (85) does not enter the saw blade mounting groove (81) in the sliding rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321600320.1U CN220161415U (en) | 2023-06-20 | 2023-06-20 | reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321600320.1U CN220161415U (en) | 2023-06-20 | 2023-06-20 | reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220161415U true CN220161415U (en) | 2023-12-12 |
Family
ID=89057828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321600320.1U Active CN220161415U (en) | 2023-06-20 | 2023-06-20 | reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220161415U (en) |
-
2023
- 2023-06-20 CN CN202321600320.1U patent/CN220161415U/en active Active
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