CN208638998U - A kind of sectional-regulated cutter gap without engine grass trimmer - Google Patents
A kind of sectional-regulated cutter gap without engine grass trimmer Download PDFInfo
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- CN208638998U CN208638998U CN201821209631.4U CN201821209631U CN208638998U CN 208638998 U CN208638998 U CN 208638998U CN 201821209631 U CN201821209631 U CN 201821209631U CN 208638998 U CN208638998 U CN 208638998U
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Abstract
The utility model provide a kind of sectional-regulated cutter gap without engine grass trimmer, belong to graden machine technical field.It solves the problems such as existing cutter for mower gap is big, gap is uneven.The utility model includes ledger-plate, tool fixing frame, side plate, side plate connecting rod and hobboing cutter, tool fixing frame, side plate, side plate connecting rod are combined into frame shape rack, ledger-plate is arranged in tool fixing frame, ledger-plate and tool fixing frame interval are arranged to form the elastic gap extended along stationary knife length direction, spring is equipped in the elastic gap, ledger-plate is connect by several bolts with tool fixing frame, and bolt one end is threadedly coupled after passing through ledger-plate with tool fixing frame.The utility model has the advantage of cutter gap adjustment the structures adjusting of gap sectional, realization simple, in one Cutting Length of stationary knife and hobboing cutter cooperate uniform, ledger-plate to exempt from, and grinding, adjusting is accurate, rigidity of frame is good.
Description
Technical field
The utility model belongs to graden machine technical field, is related to grass trimmer, and in particular between a kind of sectional-regulated cutter
Gap without engine grass trimmer.
Background technique
The primary structure of no engine grass trimmer includes rack, hobboing cutter and stationary knife, and hobboing cutter rotates when mowing, the spiral on hobboing cutter
Blade cutting edge and stationary knife cutting edge generate shear action, and grass is cut off.Therefore, more demanding to the linear precision of stationary knife cutting edge, but
It is the slice-shaped steel bar that existing ledger-plate generally uses 2-4mm thickness, whether uses grinding or the processing method with milling, all
It is difficult stationary knife cutting edge linear precision being worked into perfect condition, so the gap after ledger-plate installs for the first time, between hobboing cutter
Just it is likely to non-uniform, after especially cutter is worn using a period of time, the non-uniform situation in gap may be more
Obviously, so that ideal shearing cooperation be not achieved.
It is excessive that the controlling mechanism of tool of existing grass trimmer can only adjust gap, but it is uniform to can not achieve gap, such as Shen
Please number for CN105684632A propose a kind of grass trimmer cutting mechanism, stationary knife by be arranged in rotary tool fixing frame
On, tool fixing frame is rotated, so that stationary knife cutting edge is close to hobboing cutter to eliminate or reduce gap.If the straight line of the essence of stationary knife cutting edge itself
Degree is not high, and it is to rotate integrally to adjust that above-mentioned regulating mechanism, which adjusts stationary knife again, and hobboing cutter cutting edge is matched with the shearing of stationary knife cutting edge after adjusting
Close non-uniform situation still can existing for, so this regulative mode is high to the required precision of stationary knife itself.In addition, due to fixed
Knife rest is that needs are movable, and tool fixing frame is usually a part of rack composition, so the integral rigidity of rack is also bad, is assembled
Process is also relative complex.
Utility model content
The purpose of this utility model is and a kind of cutter gap provided for drawbacks described above existing for existing grass trimmer
Gap sectional of the adjustment structure simply, in one Cutting Length of stationary knife and hobboing cutter is adjusted, realization cooperation is uniform, ledger-plate exempts to grind
It cuts, adjust accurate, the good no engine grass trimmer of rigidity of frame.
The purpose of this utility model can be realized by the following technical scheme:
A kind of sectional-regulated cutter gap without engine grass trimmer, including ledger-plate, tool fixing frame, side plate, side plate connecting rod
And hobboing cutter, tool fixing frame, side plate, side plate connecting rod are combined into frame shape rack, hobboing cutter is rotatably arranged in rack, which is characterized in that
Ledger-plate is arranged in tool fixing frame, and ledger-plate and tool fixing frame interval are arranged to form one between the elasticity that stationary knife length direction extends
Gap, the elastic gap is interior to be equipped with the spring for keeping the elastic gap to be formed, and ledger-plate is connect by several bolts with tool fixing frame,
Bolt one end is threadedly coupled after passing through ledger-plate with tool fixing frame.For spring-compressed between stationary knife and tool fixing frame, the elastic force of spring can
To keep elastic gap to be formed, while the telescopicing performance of spring makes the spacing size of the elastic gap adjustable again, passes through tune
Elastic gap is saved to adjust the gap between ledger-plate and hobboing cutter, rotation bolt makes ledger-plate pushing or upper bullet i.e. adjustable elastic
The spacing size in gap, it is easy to adjust.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring is equipped at least one,
All spring force sphere of actions combine to form an elastic force section, and the elastic force siding-to-siding block length range is long close to above-mentioned elastic gap
Range is spent, elastic force is acted in the length range of entire elastic gap, can be segmented elastic gap by bolt.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the bolt be equipped with it is multiple, it is multiple
Bolt is alternatively arranged along ledger-plate extending direction.Multiple bolt spacings settings, extend along direction for above-mentioned elastic gap and are divided into
The gap of several stretch sections, each stretch section can individually be adjusted by the corresponding bolt in both ends, and the specific aim of adjusting is stronger,
It is more acurrate.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, multiple bolt equidistant radial arrangements are in one
Straight line.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the ledger-plate is equipped with connection
Hole, above-mentioned tool fixing frame are equipped with screw hole, and connecting hole, screw hole and above-mentioned bolt be arranged in a one-to-one correspondence, bolt pass through after connecting hole and
Screw hole is threadedly coupled.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the tool fixing frame, side plate, side plate connect
Extension bar is welded as a whole.Rack is integral type welding structure, and good integrity, rigidity is high, and assembly is simple.
It is above-mentioned in a kind of above-mentioned sectional-regulated cutter gap without there are two in engine grass trimmer, the side plate is set
Side plate connecting rod and tool fixing frame are arranged in parallel, and both side plate is arranged in parallel and sets up separately at the both ends of side plate connecting rod, tool fixing frame.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the hobboing cutter include hobboing cutter axis and
Roll blade on hobboing cutter axis is set, and the both ends of hobboing cutter axis are set up separately on above-mentioned both side plate and both ends pass through bearing and bearing block
On corresponding side plate, side plate is equipped with the seam allowance for installing bearing block for setting, and the side of seam allowance is equipped with opening, the width of opening
Greater than the diameter of axle of hobboing cutter axis.Opening connection seam allowance and side plate edge, hobboing cutter axis both ends are put into seam allowance by two openings, simplify dress
With technique, assemble simple and convenient.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the bearing block is outside corresponding side plate
Hobboing cutter axis is pierced into side, is put into seam allowance and fixed.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring is in strip of sheet, spring
Length extending direction it is consistent with above-mentioned stationary knife leaf length extending direction, there is spring height to rise and fall along its length, on spring
It offers and is threaded through in corresponding first perforation with one-to-one first perforation of above-mentioned bolt, bolt.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring twist, spring
Spiralization inner hole, spring are arranged in a one-to-one correspondence with above-mentioned bolt, and bolt is threaded through in the inner hole of corresponding spring.
In a kind of above-mentioned sectional-regulated cutter gap without in engine grass trimmer, the spring be it is V-shaped, spring
There is the second perforation in V-Bottom portion, and spring is arranged in a one-to-one correspondence with above-mentioned bolt, and bolt is threaded through in corresponding second perforation.
Compared with prior art, the utility model has the advantage of adjusted by rotating bolt using ledger-plate compressed spring
The relative distance of ledger-plate and tool fixing frame is saved, to realize the gap adjustment of ledger-plate and roll blade, structure is simple, adjusting side
Just；Spring is distributed in entire elastic gap, is segmented by multiple bolts, and each section can individually be adjusted, and adjusts specific aim more
It is good, cutter gap can be made uniform, while the requirement to ledger-plate machining accuracy can be reduced；Side plate, side plate connecting rod, stationary knife
The frame shape rack of the integrally welded formula of frame, structural rigidity is higher, while can simplify assembly technology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model removes ledger-plate；
Fig. 3 is the structural schematic diagram of frame shape rack；
Fig. 4 is the structural schematic diagram of spring.
In figure, 1, ledger-plate；2, tool fixing frame；3, side plate；4, side plate connecting rod；5, bearing block；6, spring；7, hobboing cutter axis；
8, seam allowance；9, it is open；10, bolt；11, screw hole；12, the first perforation；13, roll blade.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figures 1 to 4, a kind of sectional-regulated cutter gap provided by the utility model without engine grass trimmer, packet
Include ledger-plate 1, tool fixing frame 2, both side plate 3, side plate connecting rod 4, bearing block 5, spring 6, hobboing cutter；Side plate connecting rod 4 and tool fixing frame 2
Be arranged in parallel, both side plate 3 is arranged in parallel and sets up separately at the both ends of side plate connecting rod 4, tool fixing frame 2, the both ends of side plate connecting rod 4 with
And the both ends of tool fixing frame 2 are connected with the welding of the side plate 3 of two sides, combination forms the frame shape rack of integral type；Hobboing cutter includes hobboing cutter
Axis 7 and the spiral roll blade 13 being arranged on hobboing cutter axis 7, the both ends of hobboing cutter axis 7 are erected on both side plate 3 and length is big
Width between both side plate 3, each side plate 3 are equipped with the seam allowance 8 for installing bearing block 5, bearing, rolling are equipped in bearing block 5
Cutter shaft 7 is located in bearing with one heart, and in order to install hobboing cutter axis 7, the side of seam allowance 8 is equipped with opening 9,9 connection seam allowance 8 of opening and side plate
3 edges, 9 width of being open are greater than the diameter of axle of hobboing cutter axis 7, and for hobboing cutter axis 7 to be put into seam allowance 8, hobboing cutter axis 7 is put into only opening 9
After mouth 8, bearing block 5 pierces into hobboing cutter axis 7 on the outside of corresponding side plate 3, and then bearing block 5 is mounted in seam allowance 8 and tight by screw thread
Firmware is fixed.
Interval setting forms the elastic gap extended along 1 length direction of ledger-plate between ledger-plate 1 and tool fixing frame 2,
The elastic gap and 1 similar length of ledger-plate, elastic gap is interior to be equipped with spring 6, and spring 6 is equipped with setting one or more according to structure
A, all 6 elastic force sphere of actions of spring combine to form an elastic force section, and the elastic force siding-to-siding block length range is long close to elastic gap
Range is spent, ledger-plate 1 is connected by multiple bolts 10 with tool fixing frame 2, and ledger-plate 1 is equipped with connecting hole, and tool fixing frame 2 is equipped with spiral shell
Hole 11, connecting hole, screw hole 11 and bolt 10 are arranged in a one-to-one correspondence, and 10 one end of bolt passes through connecting hole and 11 screw thread of screw hole connects
It connects, spring 6 is compressed in elastic gap by ledger-plate 1, and the elastic force of spring 6 can make to keep shape between ledger-plate 1 and tool fixing frame 2
It at elastic gap, while rotating bolt 10 and can push or upper bullet ledger-plate 1, change the spacing size of elastic gap, thus
Spacing of the ledger-plate 1 with respect to roll blade 13 is adjusted, realizes gap adjustment；Elastic gap is divided by multiple bolts 10 along its length
Several stretch sections can adjust stretch section spacing size by the bolt 10 at turnable elastic section both ends, make the sword of ledger-plate 1
The cutting edge of mouth and hobboing cutter has shears cooperation well, and degree of regulation Du Genggao can save the grinding work of blade.
There are many structure types for spring 6:
Embodiment 1:
Spring 6 is provided only with one, the spring 6 in strip of sheet and length it is close with ledger-plate 1, the extending direction of spring 6 and
The length direction of ledger-plate 1 is consistent, and it is wave-shaped that there is spring 6 height to rise and fall, and spring 6 has wave crest and trough, each wave crest wave
Paddy equidistant interval is arranged, and the first perforation 12 is also opened up on wave crest or trough, and the first perforation 12 is corresponded with bolt 10, bolt 10
It is threaded through in corresponding first perforation 12.
Embodiment 2:
Spring 6 be also possible to it is helical, spiral spring 6 be equipped with it is multiple and with bolt 10 correspond, bolt
10 sequentially pass through be correspondingly connected with hole, spring 6 after screw in tool fixing frame 2 on screw hole 11 in.
Spiral spring 6 can also be directly weldingly fixed in tool fixing frame 2 with lower end.
Embodiment 3:
Spring 6 is also possible to V-shaped, and there is the second perforation in V-Bottom portion, and spring 6 is equipped with multiple and corresponds with bolt 10,
Bolt 10 screws in the screw hole 11 in tool fixing frame 2 after passing through the second perforation for corresponding to spring 6.
It should be understood that in claims, specification of the utility model, all " including ... " should be understood as out
The meaning of formula is put, that is, its meaning is equal to " at least containing ... ", but should not be understood as enclosed meaning, i.e. its meaning
It should not be construed " only including ... ".
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of sectional-regulated cutter gap without engine grass trimmer, including ledger-plate (1), tool fixing frame (2), side plate (3), side plate
Connecting rod (4) and hobboing cutter, tool fixing frame (2), side plate (3), side plate connecting rod (4) are combined into frame shape rack, and hobboing cutter is rotatably arranged on
In rack, which is characterized in that the ledger-plate (1) is arranged on tool fixing frame (2), and ledger-plate (1) is set with tool fixing frame (2) interval
It sets to form the elastic gap extended along stationary knife length direction, is equipped with spring (6) in the elastic gap, ledger-plate (1) passes through
Several bolts (10) are connect with tool fixing frame (2), and bolt (10) one end passes through ledger-plate (1) and is threadedly coupled afterwards with tool fixing frame (2).
2. a kind of sectional-regulated cutter gap according to claim 1 without engine grass trimmer, which is characterized in that it is described
Bolt (10) be equipped with it is multiple, multiple bolts (10) are alternatively arranged along ledger-plate (1) extending direction.
3. a kind of sectional-regulated cutter gap according to claim 2 without engine grass trimmer, which is characterized in that multiple spiral shells
Bolt (10) equidistant radial arrangement is in a straight line.
4. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
The ledger-plate (1) be equipped with connecting hole, above-mentioned tool fixing frame (2) be equipped with screw hole (11), connecting hole, screw hole (11) with it is above-mentioned
Bolt (10) is arranged in a one-to-one correspondence, and bolt (10) is threadedly coupled after passing through connecting hole with screw hole (11).
5. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
The tool fixing frame (2), side plate (3), side plate connecting rod (4) are welded as a whole.
6. a kind of sectional-regulated cutter gap according to claim 5 without engine grass trimmer, which is characterized in that it is described
There are two side plate (3) is set, above-mentioned side plate connecting rod (4) and tool fixing frame (2) are arranged in parallel, and both side plate (3) is arranged in parallel and sets up separately
At the both ends of side plate connecting rod (4), tool fixing frame (2).
7. a kind of sectional-regulated cutter gap according to claim 6 without engine grass trimmer, which is characterized in that it is described
Hobboing cutter includes the roll blade (13) of hobboing cutter axis (7) and setting on hobboing cutter axis (7), and the both ends of hobboing cutter axis (7) are set up separately above-mentioned
On both side plate (3) and both ends pass through bearing and bearing block (5) setting on corresponding side plate (3), and side plate (3) is equipped with for pacifying
The seam allowance (8) of bearing block (5) is filled, the side of seam allowance (8) is equipped with opening (9), and the width of opening (9) is greater than the axis of hobboing cutter axis (7)
Diameter.
8. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
The spring (6) is in strip of sheet, and the length extending direction of spring (6) is consistent with above-mentioned ledger-plate (1) length extending direction, bullet
Spring (6) along its length there is height to rise and fall, and offer on spring (6) and one-to-one first perforation of above-mentioned bolt (10)
(12), bolt (10) is threaded through in corresponding first perforation (12).
9. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, which is characterized in that
Twist, spring (6) spiralization inner hole, spring (6) is arranged in a one-to-one correspondence the spring (6) with above-mentioned bolt (10),
Bolt (10) is threaded through in the inner hole of corresponding spring (6).
10. a kind of sectional-regulated cutter gap according to claim 1 or 2 or 3 without engine grass trimmer, feature exists
Be in, the spring (6) it is V-shaped, there is the second perforation in the V-Bottom portion of spring (6), and spring (6) and above-mentioned bolt (10) are one by one
It is correspondingly arranged, bolt (10) is threaded through in corresponding second perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209631.4U CN208638998U (en) | 2018-07-27 | 2018-07-27 | A kind of sectional-regulated cutter gap without engine grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209631.4U CN208638998U (en) | 2018-07-27 | 2018-07-27 | A kind of sectional-regulated cutter gap without engine grass trimmer |
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| Publication Number | Publication Date |
|---|---|
| CN208638998U true CN208638998U (en) | 2019-03-26 |
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| CN201821209631.4U Active CN208638998U (en) | 2018-07-27 | 2018-07-27 | A kind of sectional-regulated cutter gap without engine grass trimmer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108834538A (en) * | 2018-07-27 | 2018-11-20 | 浙江赛格园林机械有限公司 | A kind of sectional-regulated cutter gap without engine grass trimmer |
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2018
- 2018-07-27 CN CN201821209631.4U patent/CN208638998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108834538A (en) * | 2018-07-27 | 2018-11-20 | 浙江赛格园林机械有限公司 | A kind of sectional-regulated cutter gap without engine grass trimmer |
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