CN204122842U - A kind of saw blade clamping mechanism of reciprocating saw - Google Patents
A kind of saw blade clamping mechanism of reciprocating saw Download PDFInfo
- Publication number
- CN204122842U CN204122842U CN201420380456.0U CN201420380456U CN204122842U CN 204122842 U CN204122842 U CN 204122842U CN 201420380456 U CN201420380456 U CN 201420380456U CN 204122842 U CN204122842 U CN 204122842U
- Authority
- CN
- China
- Prior art keywords
- saw blade
- holding shrapnel
- breast board
- knife back
- saw
- 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 discloses a kind of saw blade clamping mechanism of reciprocating saw, saw blade clamping mechanism comprises rear clamping breast board mechanism, front clamp breast board mechanism, the knife back; Front clamp breast board mechanism comprises the 3rd holding shrapnel, the 4th holding shrapnel, the first screw, the second screw, nut, elastic component, U-shaped adjusting bolt; First screw and the second screw are located on the 4th holding shrapnel and through the second gathering sill of the knife back and are connected the 3rd holding shrapnel, the Part I of U-shaped adjusting bolt connects the 4th holding shrapnel and passes the second gathering sill connection the 3rd holding shrapnel of the knife back, the end of this Part I is provided with nut, between nut and the 3rd holding shrapnel, be provided with elastic component, the Part II of U-shaped adjusting bolt connects the 4th holding shrapnel and connects the 3rd holding shrapnel through the first gathering sill.The utility model can meet the split requirement of different in width object, greatly facilitates user.
Description
Technical field
The utility model relates to a kind of reciprocating saw, particularly relates to a kind of saw blade clamping mechanism of reciprocating saw.
Background technology
In prior art, the saw blade clamping mechanism of reciprocating saw comprises rear clamping breast board mechanism, front clamp breast board mechanism, the knife back; The thickness of the knife back is less than, equal or slightly larger than the thickness of the first saw blade and the second saw blade, rear clamping breast board organization establishes is in the rear portion of the knife back, and front clamp breast board organization establishes is in the front portion of the knife back.The saw blade clamping mechanism more than arranged can well locate the mutual gap of two saw blades, and the both sides of saw blade, because be subject to the clamping of rear clamping breast board mechanism, front clamp breast board mechanism, therefore reach the effect preventing two saw blade jags.
But above-mentioned saw blade clamping mechanism still exists certain defect, namely effectively cannot meet and the object of different in width is cut.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of saw blade clamping mechanism of reciprocating saw, to overcome the defect that in prior art, saw blade clamping mechanism cannot cut different in width object.
For achieving the above object, the utility model provides a kind of saw blade clamping mechanism of reciprocating saw, and described saw blade clamping mechanism comprises rear clamping breast board mechanism, front clamp breast board mechanism, the knife back; The thickness of the described knife back is less than, equal or slightly larger than the thickness of described first saw blade and the second saw blade, the front end of described first saw blade and the second saw blade is provided with the first gathering sill, described rear clamping breast board organization establishes is in the rear portion of the described knife back, and described front clamp breast board organization establishes is in the front portion of the described knife back; Described front clamp breast board mechanism comprises the 3rd holding shrapnel, the 4th holding shrapnel, the first screw, the second screw, nut, elastic component, U-shaped adjusting bolt; Described first screw and the second screw are located on described 4th holding shrapnel and through the second gathering sill of the described knife back and are connected described 3rd holding shrapnel, the Part I of described U-shaped adjusting bolt connects described 4th holding shrapnel and passes described 3rd holding shrapnel of the second gathering sill connection of the described knife back, the end of this Part I is provided with described nut, between described nut and the 3rd holding shrapnel, be provided with described elastic component, the Part II of described U-shaped adjusting bolt connects described 4th holding shrapnel and connects described 3rd holding shrapnel through described first gathering sill.
Wherein, described elastic component is spring.
Wherein, described second gathering sill is provided with some locating slots.
Compared with prior art, the beneficial effects of the utility model are the split requirements in order to applicable different in width object, can be wider as cut wood, and the saw blade of requirement is long, and during cutting metal, saw blade there is no need very long, Cai so with short saw blade.Therefore, front clamp breast board organization establishes is adjustable, meets the split requirement of user greatly.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the utility model reciprocating saw;
Fig. 2 is the structural representation of the utility model reciprocating saw;
Fig. 3 is the partial structurtes schematic diagram of the utility model saw blade clamping mechanism.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
A kind of reciprocating saw of the present utility model as shown in Figure 1, 2, 3, comprises plastic casing 1, the position line cylinder 2 that portion of the handle 2.4, power supply cable is moved out, the shift knob 3 switched on power for user.Become to distribute up and down the first reciprocating lever 5, second reciprocating lever 6 arranged, be sheathed on the guide rail 33 in this first reciprocating lever and the second reciprocating lever, be located at the motor 4 in housing, transmission mechanism 7, the saw blade clamping mechanism 8 of housing 1 front end is arranged at by the first pillar 02, second pillar 03, and be arranged at shielding cover 001, first pillar of housing forward end, the second pillar supported by the first gripper shoe 04, second gripper shoe 05.Motor 4 provides power source for this transmission mechanism, transmission mechanism 7 drives the first reciprocating lever 5, second reciprocating lever 6 to do straight reciprocating motion, and the front end of the first reciprocating lever 5, second reciprocating lever 6 connects the first saw blade 17, second saw blade 19 that saw blade clamping mechanism 8 is provided with respectively.Transmission mechanism 7 comprises upper bracket, be provided with bottom upper bracket and cog, eccentric wheel is provided with bottom cogging, lower carriage top is provided with lower gear, and lower gear top is provided with lower eccentric wheel, is oppositely arranged about upper eccentric wheel and lower eccentric wheel, motor to be arranged on upper bracket and to be cogged through upper bracket transmission by output gear, cog driving intermediate gear, and this idler gear is connected between upper bracket and lower carriage, idler gear transmission lower gear; The motion that cogs can drive eccentric wheel to rotate, the reciprocal ring of ellipse of the first reciprocating lever 5 is arranged in eccentric wheel, on this, eccentric wheel drives the first reciprocating lever to do straight reciprocating motion, lower gear motion can drive lower eccentric wheel to rotate, the reciprocal ring of ellipse of the second reciprocating lever 6 is arranged in lower eccentric wheel, and this lower eccentric wheel drives the second reciprocating lever 6 to do straight reciprocating motion.The front end of the first reciprocating lever 5 and the second reciprocating lever 6 is provided with a crotch, and the crotch opening on the first reciprocating lever is hindered by the sidewall on the second reciprocating lever 6 and closes, and the crotch opening on the second reciprocating lever 6 is hindered by the sidewall on the first reciprocating lever 5 and closes.The rear end of the first saw blade 17 and the second saw blade 19 is respectively equipped with one and stretches in projection in crotch, and the front end of the first saw blade 17 or the second saw blade 19 is provided with the first gathering sill 32.
Above-mentioned saw blade clamping mechanism 8 comprises block 36, rear clamping breast board mechanism 37, front clamp breast board mechanism 38, is fixed on the knife back 39 of housing 1 upper front end; The rear end of the knife back is provided with the bar shaped circular hole of cooperation second pillar 05, so that further stationary positioned, the thickness of the knife back is less than, equal or the thickness of addition slightly larger than the first saw blade 17 and the second saw blade 19.Block 36 is located at housing 1 front lower portion and is symmetrical arranged with the knife back 39, and this block is mainly used in supporting the first saw blade 17 and the second saw blade 19.Rear clamping breast board mechanism 37 is by being arranged at the rear portion of the knife back 39, and front clamp breast board mechanism 38 is arranged at the front portion of the knife back 39.Due to the mutual gap adopting the thickness of the knife back to locate the first saw blade and the second saw blade, and first saw blade 17 and the second saw blade 19 phase and the rear clamping breast board mechanism 37 in both sides, front clamp breast board mechanism 38 stop respectively, thus prevent its jag, ensure that gap is within rational scope.It should be noted that further, why rear clamping breast board mechanism 37 in the present invention and front clamp breast board mechanism 38 are not designed to continuous print clamping on the knife back 39, be because of the present invention pair of saw blade reciprocating saw not only will cut the soft materials such as timber, also need to cut the hard materials such as some steel pipes; And general closeer for the saw blade sawtooth of cutting metal steel pipe, cannot make larger left and right side set, so the thickness of saw kerf and actual saw blade is more or less the same, therefore cutting zone can not have extra thickness effectively.And rear clamping breast board mechanism 37 is arranged on the rear of the knife back 39 by the clamping breast board mechanism design of this segmented, front clamp breast board mechanism 38 is arranged on the front of the knife back 39, namely in the region that the first saw blade 17 and the second saw blade 19 are staggered front to back, this region is just in time the region being not used in cutting.Rear clamping breast board mechanism 37 comprises the first holding shrapnel 55, second holding shrapnel 56, nut 57; First holding shrapnel and the second holding shrapnel are held on the knife back 39 by nut, and the front lower portion of the first holding shrapnel 55 or the second holding shrapnel 56 is provided with the lengthening diving board 58 of clamping first saw blade and the second saw blade.First holding shrapnel or the second holding shrapnel are provided with an opening 59, and the knife back 1 both sides are provided with protruding 60, and this projection 60 is matched with in opening 59.Nut 57 comprises screw and is matched with the wing nut on screw.Described front clamp breast board mechanism 38 comprises the 3rd holding shrapnel 51, the 4th holding shrapnel 52, first screw 53, second screw 54, nut 100, elastic component 101, U-shaped adjusting bolt 102; Described first screw 53 and the second screw 54 are located on described 4th holding shrapnel 52 and through the second gathering sill 103 of the described knife back 1 and are connected described 3rd holding shrapnel 51, the Part I 104 of described U-shaped adjusting bolt 102 connects described 4th holding shrapnel 52 and also connects described 3rd holding shrapnel 51 through the second gathering sill 103 of the described knife back 1, the end 105 of this Part I 104 is provided with described nut 100, between described nut 100 and the 3rd holding shrapnel, be provided with described elastic component 101, described elastic component is spring.The Part II 106 of described U-shaped adjusting bolt 102 connects described 4th holding shrapnel 52 and connects described 3rd holding shrapnel 51 through described first gathering sill 32.Second gathering sill 103 is provided with some locating slots 107.Fall in no-load running process to prevent the first saw blade and the second saw blade, the front of the first saw blade and the second saw blade is by the first gathering sill 32 (or being bar-shaped trough), the Part II 106 of U-shaped adjusting bolt 102 now hooks the first saw blade 18 by the first gathering sill 32 and the second saw blade 19 falls to prevent it, during actual cutting load-bearing, U-shaped adjusting bolt 102 does not play load-bearing effect, but limits the first saw blade and the second saw blade downtrend by block 36.When the object cut is not of uniform size, can by the degree of tightness of regulating nut 100, thus elastic component 101 applied pressure be changed, so just adjustment front clamp breast board mechanism 38 can be needed in the second gathering sill 103 position according to what cut.
The beneficial effects of the utility model are the split requirements in order to applicable different in width object, can be wider as cut wood, and the saw blade of requirement is long, and during cutting metal, saw blade there is no need very long, Cai so with short saw blade.Therefore, front clamp breast board organization establishes is adjustable, meets the split requirement of user greatly.And whole saw blade clamping mechanism is also dismountable connection, by simple screw, by saw blade clamping mechanism integral demounting, the length during transport of complete machine can be saved like this.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a saw blade clamping mechanism for reciprocating saw, described saw blade clamping mechanism comprises rear clamping breast board mechanism, front clamp breast board mechanism, the knife back, the first saw blade and the second saw blade; The thickness of the described knife back is less than, equal or slightly larger than the thickness of described first saw blade and the second saw blade, the front end of described first saw blade and the second saw blade is provided with the first gathering sill, described rear clamping breast board organization establishes is in the rear portion of the described knife back, and described front clamp breast board organization establishes is in the front portion of the described knife back;
It is characterized in that: described front clamp breast board mechanism comprises the 3rd holding shrapnel, the 4th holding shrapnel, the first screw, the second screw, nut, elastic component, U-shaped adjusting bolt; Described first screw and the second screw are located on described 4th holding shrapnel and through the second gathering sill of the described knife back and are connected described 3rd holding shrapnel, the Part I of described U-shaped adjusting bolt connects described 4th holding shrapnel and passes described 3rd holding shrapnel of the second gathering sill connection of the described knife back, the end of this Part I is provided with described nut, between described nut and the 3rd holding shrapnel, be provided with described elastic component, the Part II of described U-shaped adjusting bolt connects described 4th holding shrapnel and connects described 3rd holding shrapnel through described first gathering sill.
2. the saw blade clamping mechanism of reciprocating saw according to claim 1, is characterized in that: described elastic component is spring.
3. the saw blade clamping mechanism of reciprocating saw according to claim 1 and 2, is characterized in that: described second gathering sill is provided with some locating slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380456.0U CN204122842U (en) | 2014-07-10 | 2014-07-10 | A kind of saw blade clamping mechanism of reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380456.0U CN204122842U (en) | 2014-07-10 | 2014-07-10 | A kind of saw blade clamping mechanism of reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204122842U true CN204122842U (en) | 2015-01-28 |
Family
ID=52379232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380456.0U Expired - Fee Related CN204122842U (en) | 2014-07-10 | 2014-07-10 | A kind of saw blade clamping mechanism of reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204122842U (en) |
-
2014
- 2014-07-10 CN CN201420380456.0U patent/CN204122842U/en not_active Expired - Fee Related
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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: 20150128 Termination date: 20170710 |