CN209465767U - A kind of sweep-saw knife bar clamping assembly - Google Patents
A kind of sweep-saw knife bar clamping assembly Download PDFInfo
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- CN209465767U CN209465767U CN201920050523.5U CN201920050523U CN209465767U CN 209465767 U CN209465767 U CN 209465767U CN 201920050523 U CN201920050523 U CN 201920050523U CN 209465767 U CN209465767 U CN 209465767U
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- clamping element
- sweep
- saw blade
- clamping
- knife bar
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Abstract
The utility model proposes a kind of sweep-saw knife bar clamping assemblies, including rotary spanner, collet, first clamping element and the second clamping element, the collet is fixed on the output front end of sweep-saw, the rotary spanner is connected on the collet, it forms limit space with jackets outer wall, first clamping element and the second clamping element are provided in the limit space, first clamping element is connect for fixing T-type saw blade with T-type saw blade, second clamping element is connect for fixing U-shaped saw blade with U-shaped saw blade, the application is by increasing by the second clamping element, and setting limit space, realize the clamping respectively to two kinds of knife bars, so that the compatibility of chuck as a whole increases, to improve the functionality of product.
Description
Technical field
The utility model belongs to power tools technology field, particularly relates to a kind of sweep-saw knife bar clamping assembly.
Background technique
There are following defects for existing sweep-saw cutter holder chuck: collet can only clamp T-type saw blade (as shown in Fig. 4), work as folder
Saw blade falls off at once in machine operation when filling U-shaped saw blade (as shown in Fig. 5), is not available, therefore can not meet the market requirement,
Using there are limitations.
Utility model content
The utility model proposes a kind of sweep-saw knife bar clamping assembly is to provide, solves sweep-saw knife bar in the prior art
Collet can only clamp T-type saw blade, and when clamping U-shaped saw blade, saw blade falls off at once in machine operation, can not meet the market requirement, make
With haveing the defects that limitation.
The technical solution of the utility model is achieved in that
A kind of sweep-saw knife bar clamping assembly, including rotary spanner, collet, the first clamping element and the second clamping element, it is described
Collet is fixed on the output front end of sweep-saw, and the rotary spanner is connected on the collet, is formed and is limited with jackets outer wall
Bit space is provided with first clamping element and the second clamping element, first clamping element and T-type saw blade in the limit space
For fixing T-type saw blade, second clamping element is connect with U-shaped saw blade for fixing U-shaped saw blade for connection.
Preferably, it is provided with a step on the bottom end of the collet, cyclic annular card slot, the rotation are provided on the top
It is provided with protrusion on the inner wall of spanner, further includes a spring, one end of the spring is supported to step, and the other end is supported to convex
On rising, and it is connected with snap-gauge in cyclic annular card slot, the snap-gauge is placed on the top surface of the rotary spanner.
Preferably, the protrusion and the outer wall of collet form the limit space.
Preferably, the section of the limit space includes two the first limits for limiting the first clamping element being oppositely arranged
Slot, two diagonal line ends of two first limiting slots are respectively the clamping position of the first clamping element and unclamp position, further include for limiting the
Second limiting slot of two clamping elements, second limiting slot is set between one end of two first limiting slots, and the second limiting slot
With the inwardly protruding clamping position for forming the second clamping element in wherein one first limiting slot connecting pin, the second limiting slot is arc shape,
Most concave point is the release position of the second clamping element, and spring card slot is formed between the other end of two first limiting slots, and one end of spring is perpendicular
Directly it is connected in the spring card slot upwards.
By limit space, when rotating rotary spanner, i.e. controllable first clamping element of transformation limit space and the second folder
Tight clamping and release of the part to knife bar.
Preferably, first clamping element is the first clamping for respectively corresponding two sphere structures of two card slots on T-type saw blade
Part.
Preferably, second clamping element is the second shackle member of the sphere structure of card slot on corresponding U-shaped saw blade.
Preferably, second clamping element is the third shackle member of the column construction of card slot on corresponding U-shaped saw blade.
In conclusion utility model has the advantages that
A kind of sweep-saw knife bar clamping assembly of the utility model, the application is by increasing the second clamping element, and setting
Limit space realizes the clamping respectively to two kinds of knife bars, so that the compatibility of chuck as a whole increases, to improve the function of product
It can property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of internal structure of sweep-saw knife bar clamping assembly of the utility model；
Fig. 2 is the structural schematic diagram of the rotary spanner in Fig. 1；
Fig. 3 is the structural schematic diagram of the snap-gauge removed in Fig. 1；
Fig. 4 is the structural schematic diagram of T-type saw blade；
Fig. 5 is the structural schematic diagram of U-shaped saw blade；
Fig. 6 is the structural schematic diagram with the second U-shaped saw blade of shackle member clamping；
Fig. 7 is the structural schematic diagram of clamping T-type saw blade；
Fig. 8 is the structural schematic diagram with the U-shaped saw blade of third shackle member clamping.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
A kind of sweep-saw knife bar clamping assembly as shown in figures 1-8, including rotary spanner 1, collet 2, the first clamping element and
Two clamping elements, the collet are fixed on the output front end of sweep-saw, and the rotary spanner is connected on the collet, with folder
It covers outer wall and forms limit space, be provided with first clamping element 4 and the second clamping element 5 in the limit space, described first
Clamping element is connect for fixing T-type saw blade 6 with T-type saw blade, and second clamping element is connect with U-shaped saw blade for fixing U-shaped saw
Item 7.Specifically, being provided with a step 9 on the bottom end of the collet, cyclic annular card slot 10, the rotation are provided on the top
It is provided with protrusion 11 on the inner wall of spanner, further includes a spring 3, one end of the spring is supported to step, and the other end supports
It is connected with snap-gauge 12 to protrusion, and in cyclic annular card slot, the snap-gauge is placed on the top surface of the rotary spanner.
The outer wall of the protrusion and collet forms the limit space, and the section of the limit space is oppositely arranged including two
For limiting the first limiting slot 13 of the first clamping element, two diagonal line ends of two first limiting slots are respectively the first clamping element
Clamping position and release position, further include the second limiting slot 14 for limiting the second clamping element, second limiting slot is set to two
Between one end of first limiting slot, and the second limiting slot is clamped with the inwardly protruding formation second in wherein one first limiting slot connecting pin
The clamping position 15 of part, the second limiting slot be arc shape, most concave point be the second clamping element release position, two first limiting slots it is another
Spring card slot 16 is formed between one end, one end of spring is connected in straight up in the spring card slot.By limit space, when
When rotating rotary spanner, the i.e. controllable clamping and release of first clamping element and the second clamping element to knife bar of transformation limit space.
First clamping element is the first shackle member for respectively corresponding two sphere structures of two card slots on T-type saw blade.
Second clamping element is the second shackle member or described second of the sphere structure of card slot on corresponding U-shaped saw blade
Clamping element is the third shackle member 8 of the column construction of card slot on corresponding U-shaped saw blade.
As shown in fig. 6, rotating spanner 1, is packed into U-shaped saw blade 7,5.5 steel ball 5 of spanner 1 (spanner automatically resets) φ is unclamped certainly
Dynamic to be stuck in U-shaped 7 circular hole of saw blade, U-shaped 7 clamping of saw blade is completed.
As shown in fig. 7, rotating spanner 1, is packed into T-type saw blade 6,3.5 steel ball 4 of spanner 1 (spanner automatically resets) φ is unclamped certainly
Dynamic to be stuck in 6 card slot of T-type saw blade, 6 clamping of T-type saw blade is completed.
As shown in figure 8, rotating spanner 1, is packed into U-shaped saw blade 7, spanner 1 (spanner automatically resets) special straight pin 8 is unclamped certainly
Dynamic to be stuck in U-shaped 7 circular hole of saw blade, U-shaped 7 clamping of saw blade is completed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of sweep-saw knife bar clamping assembly, it is characterised in that: including rotary spanner, collet, the first clamping element and the second folder
Tight part, the collet are fixed on the output front end of sweep-saw, and the rotary spanner is connected on the collet, outside collet
Wall forms limit space, is provided with first clamping element and the second clamping element, first clamping element in the limit space
It is connect with T-type saw blade for fixing T-type saw blade, second clamping element is connect with U-shaped saw blade for fixing U-shaped saw blade.
2. a kind of sweep-saw knife bar clamping assembly according to claim 1, it is characterised in that: set on the bottom end of the collet
It is equipped with a step, cyclic annular card slot is provided on top, is provided with protrusion on the inner wall of the rotary spanner, further includes a spring,
One end of the spring is supported to step, and the other end is supported to protrusion, and is connected with snap-gauge in cyclic annular card slot, and the snap-gauge is placed in
On the top surface of the rotary spanner.
3. a kind of sweep-saw knife bar clamping assembly according to claim 2, it is characterised in that: the protrusion is outer with collet
Wall forms the limit space.
4. a kind of sweep-saw knife bar clamping assembly according to claim 3, it is characterised in that: the section of the limit space
The first limiting slot for being used to limit the first clamping element being oppositely arranged including two, two diagonal line ends of two first limiting slots are respectively
The clamping position of first clamping element and release position, further include the second limiting slot for limiting the second clamping element, second limit
Slot is set between one end of two first limiting slots, and the second limiting slot and the wherein one first inwardly protruding shape in limiting slot connecting pin
At the clamping position of the second clamping element, the second limiting slot is arc shape, and most concave point is the release position of the second clamping element, two first limits
Spring card slot is formed between the other end of position slot, one end of spring is connected in straight up in the spring card slot.
5. a kind of sweep-saw knife bar clamping assembly according to claim 1, it is characterised in that: first clamping element is point
The first shackle member of two sphere structures of two card slots on T-type saw blade is not corresponded to.
6. a kind of sweep-saw knife bar clamping assembly according to claim 1, it is characterised in that: second clamping element is pair
Answer the second shackle member of the sphere structure of card slot on U-shaped saw blade.
7. a kind of sweep-saw knife bar clamping assembly according to claim 1, it is characterised in that: second clamping element is pair
Answer the third shackle member of the column construction of card slot on U-shaped saw blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050523.5U CN209465767U (en) | 2019-01-14 | 2019-01-14 | A kind of sweep-saw knife bar clamping assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050523.5U CN209465767U (en) | 2019-01-14 | 2019-01-14 | A kind of sweep-saw knife bar clamping assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209465767U true CN209465767U (en) | 2019-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920050523.5U Active CN209465767U (en) | 2019-01-14 | 2019-01-14 | A kind of sweep-saw knife bar clamping assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209465767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD994441S1 (en) | 2020-10-06 | 2023-08-08 | Techtronic Cordless Gp | Utility knife |
-
2019
- 2019-01-14 CN CN201920050523.5U patent/CN209465767U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD994441S1 (en) | 2020-10-06 | 2023-08-08 | Techtronic Cordless Gp | Utility knife |
| US11865735B2 (en) | 2020-10-06 | 2024-01-09 | Techtronic Cordless Gp | Utility knife |
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