CN208341903U - A kind of clamping saw blade device and multifunctional saw for multifunctional saw - Google Patents
A kind of clamping saw blade device and multifunctional saw for multifunctional saw Download PDFInfo
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- CN208341903U CN208341903U CN201820753143.3U CN201820753143U CN208341903U CN 208341903 U CN208341903 U CN 208341903U CN 201820753143 U CN201820753143 U CN 201820753143U CN 208341903 U CN208341903 U CN 208341903U
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- saw blade
- clamping
- output shaft
- briquetting
- long hole
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Abstract
The utility model provides a kind of clamping saw blade device and multifunctional saw for multifunctional saw, multifunctional saw includes head capsule, output shaft is equipped in head capsule, clamping saw blade device includes the driving device that compression bar and driving compression bar move up and down, the lower end of compression bar is equipped with briquetting, briquetting is located at the lower section of head capsule, the lower part of output shaft stretches out in head capsule and hollow formation installation cavity, connecting column is equipped in installation cavity, connecting column, which is equipped with, compresses pin, the side wall of output shaft is equipped with the long hole moved up and down for compressing pin, the lower end of output shaft is equipped with the mounting blocks for installing saw blade, the lower end of connecting column is equipped with the compact heap for compressing saw blade, it compresses to sell to match to merge with briquetting across long hole and be moved up and down with briquetting to drive compact heap that saw blade is compressed or unclamped, saw blade can be replaced without tool, so that replacement saw blade is easy to operate, it is convenient, quickly；In addition, installation cavity is arranged in the lower hollow in output shaft, reduces the influence to output shaft, promote the service life of entire clamping saw blade device.
Description
Technical field
The utility model relates to field of power tools more particularly to a kind of clamping saw blade devices for multifunctional saw and more
Function saw.
Background technique
Multifunctional saw liked and is widely used by consumer due to can be adapted for different occasions, multifunctional saw
Need to be replaced as frequently as different types of saw blade in use to adapt to different use occasions.In the prior art, more function
The saw blade that can be sawed is assemblied on output shaft by fasteners such as screws, and dismounting is required by auxiliary tool, so that the peace of saw blade
Dress, replacement process are cumbersome and complicated, and operation is relatively difficult, so that working efficiency is extremely low, user experience is bad.
Utility model content
The purpose of this utility model is to provide a kind of clamping saw blade devices and multifunctional saw for multifunctional saw, realize
Quick-replaceable saw blade.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of clamping saw for multifunctional saw
Sheet devices, multifunctional saw include head capsule, and output shaft is equipped in head capsule, and clamping saw blade device includes moving down on compression bar and driving compression bar
Dynamic driving device, the lower end of compression bar are equipped with briquetting, and briquetting is located at the lower section of head capsule, the lower part of output shaft stretch out in head capsule and in
Sky forms installation cavity, and connecting column is equipped in installation cavity, and connecting column, which is equipped with, compresses pin, and the side wall of output shaft is equipped with to be sold for compressing
The long hole moved up and down, the lower end of output shaft are equipped with the mounting blocks for installing saw blade, and the lower end of connecting column is equipped with for compressing
The compact heap of saw blade, compress pin move up and down with briquetting to drive compact heap by saw blade compression across long hole and briquetting with merging or
It unclamps.
Further, the compression bar sets there are two and is located at the side of head capsule, and the upper end of compression bar is equipped with to be filled with driving
Set the connection frame of cooperation.
Further, the driving device includes that eccentric block and driving eccentric block are pulled along what the axis of eccentric block rotated
Hand, connection frame are equipped with the driving column contacted with eccentric block
Further, it is set on the side wall of the head capsule there are two limit sleeve, two compression bars are located in two limit sleeves
And it can be moved up and down along limit sleeve.
Further, the driving device further includes the first elastic element, and the first elastic element is set on compression bar and position
Between limit sleeve and connection frame.
Further, the second elastic element is arranged on the output shaft, the second elastic element, which is located at, to be compressed pin and compress
Between block.
Further, the long hole includes the first long hole and the second long hole, and connecting column is equipped with mutually fits with compression pin-shaped shape
The connecting hole answered compresses pin and sequentially passes through the first long hole, connecting hole and the second long hole to drive connecting column along moving down on long hole
It is dynamic.
Further, the lower end surface of the briquetting is equipped with for limiting the limiting slot for compressing pins position and setting.
Further, the mounting blocks are equipped with positioning protrusion, and saw blade is equipped with the location hole cooperated with positioning protrusion；Or
Person, the mounting blocks are equipped with location hole, and saw blade is equipped with the positioning protrusion cooperated with location hole.
The invention also discloses a kind of multifunctional saw, including fuselage and head capsule, head capsule is equipped with clamping saw blade device,
Wherein, clamping saw blade device is clamping saw blade device described in any of the above-described technical solution.
After adopting the above technical scheme, the utility model has the advantages that
1, it drives compression bar to move up and down that the briquetting of compression bar lower end is driven to move up and down by setting driving device, passes through
Setting compresses pin and long hole, and compression pin is moved up and down with briquetting and driven in long hole and moved down on the compact heap of connecting column lower end
It is dynamic, make to compress or unclamp between compact heap and mounting blocks, to realize the compression or release of saw blade.The structure letter of whole device
Single, easy to process, production cost is low, and saw blade can be replaced without tool, so that replacement saw blade is easy to operate, side
Just, quickly；In addition, it is only necessary to which installation cavity is arranged in the lower hollow of output shaft, hollow without whole output shaft, subtracts to the maximum extent
The small influence to output shaft promotes the service life of entire clamping saw blade device.
2, by two compression bars of setting, two compression bars are cooperated by connection frame and driving device, and two compression bars drive simultaneously
Briquetting moves up and down, so that the power acted on briquetting is more stable, and then promotes the stabilization that entire clamping saw blade device uses
Property；In addition, so that the power that every compression bar is subject to is smaller, promoting the service life of compression bar, and then promoted by two compression bars of setting
The service life of entire clamping saw blade device.
3, by setting eccentric block and spanner, spanner can drive eccentric block to rotate along the axis of eccentric block, eccentric block
The driving column contacted with eccentric block can be driven to move down, so that the compression bar that connection frame lower end is arranged in also moves down, made
Compact heap, which moves downward, unclamps saw blade.
4, by setting limit sleeve, compression bar is located in limit sleeve and can move up and down along limit sleeve, and limit sleeve is to compression bar
Play the role of limit, guarantees that compression bar can only move up and down vertically, so that compression bar is acted on the power compressed on pin is vertical direction,
To which the driving effect of compression bar is relatively reliable, the reliability that lifting device uses.
5, by the way that the first elastic element is arranged between limit sleeve and connection frame, because limit is set on the side wall of head capsule
On, the position of limit sleeve is fixed, and after connection frame moves down, the first elastic element is compressed, and elastic force is stored, on connection frame
Driving force disappear after, the first elastic element release elastic force be drivingly connected frame move up, be returned to initial position, thus briquetting with
Connection frame moves upwardly together, and makes to compress the pin no longer downward pressure of compression block.
6, by the way that the second elastic element is arranged between compression pin and compact heap, after compression pin is moved down with briquetting, the
Two elastic elements are compressed, and elastic force is stored, and after briquetting is moved up with compression bar, the second elastic element discharges elastic force driving and compresses
Pin is moved upwardly together with briquetting, is returned to initial position, is compressed saw blade so that compact heap moves upwards.Meanwhile second bullet
Property element plays the role of damping, protection in the use process of saw blade, increases the service life of saw blade.
7, by the first long hole of setting and the second long hole, connecting hole is set on connecting column, compresses pin and sequentially passes through first
Long hole, connecting hole and the second long hole allow compression pin drive while moved up and down along long hole connecting column together on move down
It is dynamic, so that the compression or release with mounting blocks may be implemented in the compact heap of connecting column lower end, and then realize compression or the pine of saw blade
It opens；By the way that two long holes are arranged, so that compressing the both ends of pin under the action of briquetting respectively in the first long hole and the second long hole
It is mobile, so that moving up and down for connecting column is more stable, reliable.
8, the lower end surface of briquetting is provided with limiting slot, and limiting slot limitation compresses the position of pin, is existed by that will compress pin setting
In limiting slot, guarantees that compression sells to match to merge with briquetting and moved down under the action of briquetting, while guaranteeing to compress pin and connect
The matching relationship between column, long hole is connect, the reliability that clamping saw blade device uses is promoted.
9, mounting blocks and saw blade pass through positioning protrusion and location hole cooperation limitation saw blade and mounting blocks in the circumferential opposite
Position guarantees that saw blade will not rotate in use, promotes the reliability that saw blade uses.
10, the invention also discloses a kind of multifunctional saw, the head capsule of multifunctional saw is equipped with clamping saw blade device, should
Apparatus structure is simple, easy to process, can realize quick-replaceable saw blade without auxiliary tool, and easy to operate, greatly
Ground improves the working efficiency of multifunctional saw.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of clamping saw blade device described in the utility model.
Fig. 2 is the explosive view of clamping saw blade device described in the utility model.
Fig. 3 is the cross-sectional view that saw blade is compressed fashionable dress binding sheet devices by compact heap described in the utility model.
Fig. 4 is the cross-sectional view that saw blade is unclamped fashionable dress binding sheet devices by compact heap described in the utility model.
Marked the names of the parts are as follows in figure:
1, head capsule；11, limit sleeve；2, output shaft；21, installation cavity；22, long hole；23, mounting blocks；231, positioning protrusion；
24, the second elastic element；3, compression bar；4, briquetting；41, limiting slot；5, connecting column；51, compact heap；52, connecting hole；6, it compresses
Pin；7, connection frame；71, column is driven；8, driving device；81, eccentric block；82, spanner；83, positioning pin；84, the first elastic element；
9, saw blade；91, location hole.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following
The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom"
Or the word of positional relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification
Description, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and be grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 4, the utility model provides a kind of clamping saw blade device for multifunctional saw, multifunctional saw packet
Head capsule 1 is included, output shaft 2 is equipped in head capsule 1, clamping saw blade device includes compression bar 3 and driving device 8, and the lower end of compression bar 3 is equipped with pressure
Block 4, briquetting 4 are located at the lower section of head capsule 1, and driving device 8 can drive compression bar 3 to move up and down to drive the pressure of 3 lower end of compression bar
Block 4 moves up and down, and the lower part of output shaft 2 stretches out in head capsule 1, and the lower hollow of output shaft 2 forms installation cavity 21, installation cavity
It is provided with connecting column 5 in 21, connecting column 5 is equipped with compresses pin 6, and the side wall of output shaft 2 is equipped with to be moved up and down for compressing pin 6
Long hole 22, the lower end of output shaft 2 are equipped with the mounting blocks 23 for installing saw blade 9, and mounting blocks 23 are set with the integrated molding of output shaft 2
It sets, the lower end of connecting column 5 is equipped with the compact heap 51 for compressing saw blade 9, and connecting column 5 and compact heap 51, which are integrally formed, to be arranged, pressure
Tight pin 6 matches to merge to move up and down and drive with briquetting 4 across long hole 22 with briquetting 4 to be moved down on the compact heap 51 of 5 lower end of connecting column
It is dynamic, make to compress or unclamp between compact heap 51 and mounting blocks 23, to realize the compression or release of saw blade 9.Entire clamping saw blade
The structure of device is simple, easy to process, and production cost is low, and saw blade can be replaced without tool, so that replacement saw
Piece is simple, convenient, quick；In addition, it is only necessary to which installation cavity is arranged in the lower hollow of output shaft, without in whole output shaft
Sky reduces the influence to output shaft to the maximum extent, promotes the service life of entire clamping saw blade device.
In the present embodiment, compression bar 3 sets there are two and is located at the side of head capsule 1, and the upper end of compression bar 3 is equipped with to be filled with driving
The connection frame 7 of 8 cooperations is set, two compression bars 3 are cooperated by connection frame 7 and driving device 8, and two compression bars 3 drive on briquetting 4 simultaneously
Lower movement so that the power acted on briquetting 4 is more stable, and then promotes the stability that entire clamping saw blade device uses；Separately
Outside, by the way that two compression bars 3 are arranged, so that the power that each compression bar 3 is subject to is smaller, the service life of compression bar 3 is promoted, and then promoted whole
The service life of a clamping saw blade device.Specifically, compression bar 3 is connected through a screw thread with connection frame 7, so that compression bar and connection frame
Mount and dismount it is more convenient, and connect it is reliable.
Driving device 8 includes eccentric block 81, positioning pin 83 and spanner 82, positioning pin 83 connect eccentric block 81 and spanner 82 and
The axis of positioning pin 83 is overlapped with the axis of eccentric block 81, the axis for alloing spanner 82 to drive eccentric block 81 along eccentric block 81
Rotation, connection frame 7 are equipped with the driving column 71 contacted with eccentric block 81, eccentric block 81 are driven and is contacted with eccentric block 81
Driving column 71 move down, so that the compression bar 3 that 7 lower end of connection frame is arranged in also moves down, move downward compact heap 51
Saw blade 9 is unclamped.
It is set on the side wall of head capsule 1 there are two limit sleeve 11, two compression bars 3 are located in two limit sleeves 11 and can be along
Limit sleeve 11 moves up and down, and limit sleeve 11 plays the role of limit to compression bar 3, guarantees that compression bar 3 can only move up and down vertically, makes to press
It is vertical direction that bar 3, which acts on the power compressed on pin 6, so that the driving effect of compression bar is relatively reliable, what lifting device used
Reliability.
Driving device 8 further includes the first elastic element 84, and the first elastic element 84 is set on compression bar 3 and is located at limit sleeve
Between 11 and connection frame 7.Specifically, the first elastic element 84 is spring.After compression pin 6 is moved down with briquetting 4, spring is pressed
Contracting stores elastic force, and after briquetting 4 is moved up with compression bar 3, spring release elastic force driving compresses pin 6 with briquetting 4 to moving up
It is dynamic, it is returned to initial position, compresses saw blade 9 so that compact heap 51 moves upwards.
Be arranged with the second elastic element 24 on output shaft 2, the second elastic element 24 be located at compress pin 6 and compact heap 51 it
Between.Specifically, the second elastic element 24 is spring.After compression pin 6 is moved down with briquetting 4, spring is compressed, and stores elastic force,
After briquetting 4 is moved up with compression bar 3, spring release elastic force driving compresses pin 6 and moves upwardly together with briquetting 4, is returned to just
Beginning position compresses saw blade 9 so that compact heap 51 moves upwards.Meanwhile spring played in the use process of saw blade 9 damping,
The effect of protection increases the service life of saw blade.
Long hole 22 includes the first long hole and the second long hole, and connecting column 5 is equipped with connecting hole 52, the shape and pressure of connecting hole 52
Tight 6 shape of pin is adapted, and compression pin 6 sequentially passes through the first long hole, connecting hole 52 and the second long hole and to compress pin 6 along long hole
Connecting column 5 can be driven to move up and down together while moving up and down, thus the compact heap 51 of 5 lower end of connecting column may be implemented with
The compression or release of mounting blocks 23, and then realize the compression or release of saw blade 9；By the way that two long holes 22 are arranged, so that compressing pin 6
Both ends moved in the first long hole and the second long hole respectively under the action of briquetting 4 so that moving up and down for connecting column is compared
Stablize, is reliable.Specifically, long hole 22 is kidney slot.
The lower end surface of briquetting 4 is equipped with limiting slot 41, and the shape of limiting slot 41 is adapted with the shape for compressing pin 6 for limiting
The position for compressing pin 6 is made, is arranged in limiting slot 41 by the way that pin 6 will be compressed, guarantees that compression pin 6 can match with briquetting 4 and merges
It is moved down under the action of briquetting 4, while guaranteeing to compress the matching relationship between pin 6 and connecting column 5, long hole 22, promote clamping
The reliability that saw blade device uses.
Mounting blocks 23 are equipped with positioning protrusion 231, and saw blade 9 is equipped with the location hole 91 cooperated with positioning protrusion 231, passes through
Phase of the cooperation limitation saw blade 9 of location hole 91 with mounting blocks 23 in the circumferential on positioning protrusion 231 and saw blade 9 on mounting blocks 23
To position, guarantee that saw blade 9 will not rotate in use, promotes the reliability that saw blade uses.
Contacted in use, pulling part that spanner is relatively large in diameter eccentric block with driving column, eccentric block push driving column to
Lower movement, so that the briquetting for making connection frame drive compression bar and compression bar lower end moves downwardly together, briquetting driving and briquetting cooperation
Compress pin to move down, compress pin and connecting column and the compact heap of connecting column lower end is driven to move downwardly together, thus compact heap and
Cooperation between mounting blocks is unclamped, and saw blade can be easily replaced very much；After more finishing changing saw blade, pull spanner make eccentric block diameter compared with
Small is partially toward driving column, and connection frame moves upwards under the effect of the first elastic element, thus move upwards briquetting also,
It compresses pin to move upwardly together under the action of the second elastic element with pressing plate, compact heap is sawed with mounting blocks with compression is merged again
Piece fixes saw blade, completes replacement.
A kind of multifunctional saw, including fuselage and head capsule is also disclosed in the utility model, and head capsule is equipped with clamping saw blade device,
Clamping saw blade device is the clamping saw blade device in any of the above-described technical solution, because the clamping saw blade device structure is simple, processing
It is convenient, quick-replaceable saw blade can be realized without auxiliary tool, and easy to operate, greatly improve multifunctional saw
Working efficiency.
It should be understood that connecting column can also be connected through a screw thread with compact heap.
It should be understood that can also be equipped with location hole on mounting blocks, saw blade is equipped with the convex cooperated with location hole
It rises.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (10)
1. a kind of clamping saw blade device for multifunctional saw, multifunctional saw includes head capsule, and output shaft, clamping saw are equipped in head capsule
Sheet devices include the driving device that compression bar and driving compression bar move up and down, which is characterized in that and the lower end of the compression bar is equipped with briquetting,
Briquetting is located at the lower section of head capsule, and the lower part of output shaft stretches out in head capsule and hollow formation installation cavity, is equipped with connecting column in installation cavity,
Connecting column, which is equipped with, compresses pin, and the side wall of output shaft is equipped with the long hole moved up and down for compressing pin, and the lower end of output shaft is equipped with
For installing the mounting blocks of saw blade, the lower end of connecting column is equipped with the compact heap for compressing saw blade, compresses pin across long hole and pressure
Block is moved up and down with merging with briquetting to drive compact heap that saw blade is compressed or unclamped.
2. clamping saw blade device according to claim 1, which is characterized in that the compression bar sets there are two and is located at head
The side of shell, the upper end of compression bar are equipped with the connection frame cooperated with driving device.
3. clamping saw blade device according to claim 2, which is characterized in that the driving device includes eccentric block and driving
The spanner that eccentric block is rotated along the axis of eccentric block, connection frame are equipped with the driving column contacted with eccentric block.
4. clamping saw blade device according to claim 2, which is characterized in that limit there are two being set on the side wall of the head capsule
Set, two compression bars are located in two limit sleeves and can move up and down along limit sleeve.
5. clamping saw blade device according to claim 4, which is characterized in that the driving device further includes the first elasticity member
Part, the first elastic element are set on compression bar and between limit sleeve and connection frame.
6. clamping saw blade device according to claim 1, which is characterized in that be arranged with the second elasticity member on the output shaft
Part, the second elastic element, which is located at, to be compressed between pin and compact heap.
7. clamping saw blade device according to claim 1, which is characterized in that the long hole includes that the first long hole and second are long
Hole, connecting column are equipped with the connecting hole adaptable with pin-shaped shape is compressed, and compress pin and sequentially pass through the first long hole, connecting hole and second
Long hole is to drive connecting column to move up and down along long hole.
8. clamping saw blade device according to claim 1, which is characterized in that the lower end surface of the briquetting is equipped with for limiting
Compress the limiting slot that pins position is set.
9. according to claim 1 to clamping saw blade device described in 8 any one, which is characterized in that the mounting blocks are equipped with
Positioning protrusion, saw blade are equipped with the location hole cooperated with positioning protrusion；Alternatively, the mounting blocks are equipped with location hole, on saw blade
Equipped with the positioning protrusion cooperated with location hole.
10. a kind of multifunctional saw, including fuselage and head capsule, head capsule is equipped with clamping saw blade device, which is characterized in that the clamping
Saw blade device is clamping saw blade device described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753143.3U CN208341903U (en) | 2018-05-21 | 2018-05-21 | A kind of clamping saw blade device and multifunctional saw for multifunctional saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753143.3U CN208341903U (en) | 2018-05-21 | 2018-05-21 | A kind of clamping saw blade device and multifunctional saw for multifunctional saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208341903U true CN208341903U (en) | 2019-01-08 |
Family
ID=64889903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820753143.3U Active CN208341903U (en) | 2018-05-21 | 2018-05-21 | A kind of clamping saw blade device and multifunctional saw for multifunctional saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208341903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453310A (en) * | 2018-05-21 | 2018-08-28 | 浙江亚特电器有限公司 | A kind of clamping saw blade device and multifunctional saw for multifunctional saw |
| WO2023087615A1 (en) * | 2021-11-17 | 2023-05-25 | 浙江金美电动工具有限公司 | Saw blade quick-replacement structure of electric tool and saw blade quick-replacement method |
-
2018
- 2018-05-21 CN CN201820753143.3U patent/CN208341903U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453310A (en) * | 2018-05-21 | 2018-08-28 | 浙江亚特电器有限公司 | A kind of clamping saw blade device and multifunctional saw for multifunctional saw |
| CN108453310B (en) * | 2018-05-21 | 2023-09-05 | 浙江亚特电器股份有限公司 | A clamping saw bit device and multi-functional saw for multi-functional saw |
| WO2023087615A1 (en) * | 2021-11-17 | 2023-05-25 | 浙江金美电动工具有限公司 | Saw blade quick-replacement structure of electric tool and saw blade quick-replacement method |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |