CN106664941A - Grass trimmer - Google Patents
Grass trimmer Download PDFInfo
- Publication number
- CN106664941A CN106664941A CN201611266333.4A CN201611266333A CN106664941A CN 106664941 A CN106664941 A CN 106664941A CN 201611266333 A CN201611266333 A CN 201611266333A CN 106664941 A CN106664941 A CN 106664941A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- pipe box
- grass
- mowing machine
- machine according
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a grass trimmer according to which the problem that a connecting rod is large in occupied space and unfavorable for transportation and packaging is solved. According to the technical scheme for solving the problem, the grass trimmer mainly comprises a machine body, a connecting rod and a handle. The machine body and the handle are connected with the two ends of the connecting rod respectively, and the connecting rod comprises a first connecting pipe, a second connecting pipe and a pipe sleeve. The end of the first connecting pipe is arranged at one end of the pipe sleeve in a sleeved mode, the pipe sleeve is in clamped connection with the first connecting pipe, and the other end of the pipe sleeve extends into the second connecting pipe and is in threaded connection with the second connecting pipe. The connecting rod not only facilitates users' dismantling and installation, but also enables the joint of the first connecting pipe and the second connecting pipe to be good in strength and rigidity, and relative vibration between the first connecting pipe and the second connecting pipe is avoided.
Description
Technical field
The present invention relates to a kind of grass-mowing machine, more particularly to a kind of grass-mowing machine with multi-section type connecting rod.
Background technology
With being on the increase for green coverage, the difficulty that meadow is safeguarded is increasing, and grass-mowing machine is used to cut as a kind of
The hand-held tool of weeds, not only reduces the working strength of gardener author, and ensure that the pruning effect and matter on lawn
Amount, but the connection pole length of traditional grass-mowing machine is fixed, so that the volume of whole grass-mowing machine is larger, is unfavorable for packing and is transported
It is defeated, packing cost is also increased, to solve the above problems, telescopic connection bar and Quick-clamping connection are released on existing market
Bar, but the connecting rod of above-mentioned form is easily rocked, and reduces Consumer's Experience, the body being connected with connecting rod when motor works
Rocking to amplify, and affect normally using for grass-mowing machine.
The content of the invention
The purpose to be reached of the invention is just to provide a kind of grass-mowing machine, and the connecting rod of multi-section type not only saves packaging material,
Convenient transport, and bonding strength is high, it is highly reliable.
In order to achieve the above object, the present invention is adopted the following technical scheme that:A kind of grass-mowing machine, including body, connecting rod and
Handle, body and handle are connected respectively with the two ends of connecting rod, and the connecting rod includes the first connecting tube, the second connecting tube and pipe
Set, one end of pipe box is sheathed on the end of the first connecting tube and stretches in the second connecting tube with the first connecting tube clamping, the other end
And be threadedly coupled with the second connecting tube.
Further, the end of first connecting tube sets axially extending open slot, and the inwall of pipe box is provided with convex tendon, convex
Muscle is snapped in open slot when the first connecting tube stretches into pipe box.
Further, locating part is provided with the outside of first connecting tube, the tube wall of pipe box is provided with stopper slot, locating part
Snap in stopper slot when the first connecting tube and pipe box are installed in place.
Further, the locating part is positive stop spring plate, and the peace placed for positive stop spring plate is provided with the outside of the first connecting tube
Tankage, positive stop spring plate one end is connected to the cell wall of mounting groove, the other end and freely stretches out mounting groove.
Further, the upstream end of the convex tendon is provided with guiding rib, and guiding rib is in the second connecting tube to the first connecting tube
Gradually taper up on direction, the circumferential lengths of stopper slot are more than the circumferential width of positive stop spring plate.
Further, the pipe box outside is provided with axially extending positioning convex, and the second connecting tube is provided with locating slot, positioning
It is raised to snap in locating slot when the second connecting pipe box are on pipe box.
Further, the end of second connecting tube is provided with the mounting head of tubular structure, mounting head with diameter greater than
The diameter of two connecting tubes, locating slot is located at the edge of mounting head.
Further, the edge of the pipe box is provided with the flange concordant with mounting head outer wall, and the second connecting tube is contacted at turns over
Bian Shang, positioning convex is located at flange, and the tube wall of pipe box is provided with axially extending bar shaped groove.
Further, the pipe box is provided with the stud for radially extending, and the second connecting tube is provided with screw, and screw passes through spiral shell
Hole is connected to stud.
Further, the two ends of the stud are all connected to the tube wall of pipe box, and the screwed hole in stud runs through stud.
After using above-mentioned technical proposal, the invention has the advantages that:
1st, first, connecting rod is assembled by the first connecting tube, pipe box and the second connecting tube, after can connecting rod be dismantled
Packed and transported again, saves transport space and packaging material, the first connecting tube stretch into pipe box and with pipe box clamping, the second connecting tube with
Pipe box be threadedly coupled, so as to clamping be threadedly coupled cooperation, it is ensured that under conditions of both bonding strengths, reduce screw or bolt
Quantity, user friendly dismounting, meanwhile, each connecting tube is detachably connected, and user can as needed increase and decrease connecting tube with full
The length requirement of foot difference connecting rod;Secondly, pipe box is set up between the first connecting tube and the second connecting tube, increased the first connection
Pipe and the second connecting tube junction thickness diametrically, further increase the strength and stiffness of junction, meanwhile, junction
It is diametrically compacter, it is to avoid the first connecting tube is rocked with the relative of the second connecting tube, it is ensured that both axialities.Finally,
Pipe box increased the first connecting tube and the second connecting tube connecting length in the axial direction, not only avoid the first connecting tube and second from connecting
Take over stress raisers when mutually extruding and deform, reduce the thickness requirements of the first connecting tube and the second connecting tube, and
Ensure that junction has enough intensity, further reduce by the first connecting tube and rock with the relative of the second connecting tube.
2nd, convex tendon is snapped in open slot when the first connecting tube stretches into pipe box, realizes that the first connecting tube is determined with the circumference of pipe box
Position, it is to avoid the first connecting tube relatively rotates with pipe box stress.
3rd, locating part is snapped in stopper slot when the first connecting tube and pipe box are installed in place, and realizes the first connecting tube and second
The axially position of connecting tube, locating part is positive stop spring plate, and the first connecting tube is provided with what is placed for positive stop spring plate and cave inward
Mounting groove, positive stop spring plate one end is connected to mounting groove, the other end and freely stretches out mounting groove, and the first connecting tube is axially inserted into pipe box
When middle, pipe box sidewall extrusion positive stop spring plate is pressed into its free end in mounting groove, due to the shell fragment after extruding and the first connecting tube
Side wall it is concordant, further insert inwards beneficial to the first connecting tube, when the first connecting tube and pipe box are installed in place, positive stop spring plate
It is completely exposed from stopper slot, the free end automatic rebounding of positive stop spring plate is simultaneously stretched in stopper slot, and the free end of positive stop spring plate is supported
The axially position that the cell wall in stopper slot realizes the first connecting tube and pipe box is touched, when the first connecting tube is dismantled with pipe box, pressing limit
Position shell fragment is to mounting groove, then the connecting tube of axial separation first and pipe box, and it entirely dismounts simple and convenient.
4th, the edge on the outside of two pipe boxes is provided with axially extending positioning convex, and the second connecting tube is provided with locating slot, convex
Rise and snapped in locating slot when the second connecting pipe box are on pipe box, realize that the second connecting tube is circumferentially positioned with pipe box, it is to avoid
The relative rotation at installation initial stage, realizes the pre-determined bit of screw and stud, it is ensured that screw and stud rapid alignment.
5th, the second connecting tube is provided with the mounting head of tubular structure, so as to the second connecting tube is connected by mounting head with pipe box,
Avoid directly directly opening up screw and locating slot in the second connecting tube and reducing its own intensity, mounting head with diameter greater than
The diameter of two connecting tubes, under conditions of mounting head can be sheathed on pipe box, it is ensured that the first connecting tube is straight with the second connecting tube
Footpath is consistent, it is to avoid connecting rod thickness that more piece is arranged is uneven and affect attractive in appearance and bulk strength.
Description of the drawings
Below in conjunction with the accompanying drawings the invention will be further described:
Fig. 1 is the sectional view of grass-mowing machine connecting rod in embodiment one;
Fig. 2 is the explosive view of connecting rod in embodiment one;
Fig. 3 is the enlarged drawing at the A of Fig. 1;
Fig. 4 is the structure chart of the first connecting tube in embodiment one;
Fig. 5 is the structure chart of pipe box in embodiment one;
Fig. 6 is the structure chart of the second connecting tube in embodiment one.
Specific embodiment
Embodiment one
The present embodiment provides a kind of grass-mowing machine, as described in Fig. 1 to Fig. 3, including body, connecting rod and handle, body and handss
Handle is connected respectively with the two ends of connecting rod, and the connecting rod includes the first connecting tube 1, the second connecting tube 2 and pipe box 3, pipe box 3
One end is sheathed on the end of the first connecting tube 1 and stretches in the second connecting tube 2 with the clamping of the first connecting tube 1, the other end and with
Two connecting tubes 2 are threadedly coupled.
First, connecting rod is assembled by the first connecting tube 1, the connecting tube 2 of pipe box 3 and second, can be dismantled connecting rod
Packed and transported again afterwards, saves transport space and packaging material, the first connecting tube 1 stretch into pipe box 3 and with the clamping of pipe box 3, second connects
Adapter 2 is threadedly coupled with pipe box 3, so as to clamping be threadedly coupled cooperation, it is ensured that under conditions of both bonding strengths, reduce spiral shell
The quantity of nail or bolt, user friendly dismounting, meanwhile, each connecting tube is detachably connected, and user can as needed increase and decrease company
Take over to meet the length requirement of different connecting rods;Secondly, pipe box 3 is set up between the first connecting tube 1 and the second connecting tube 2, is increased
Add the first connecting tube 1 and the junction of the second connecting tube 2 thickness diametrically, further increase the intensity and just of junction
Degree, meanwhile, junction is diametrically compacter, it is to avoid the first connecting tube 1 is rocked with the second the relative of connecting tube 2, it is ensured that two
The axiality of person;Finally, pipe box 3 increased the first connecting tube 1 and the second connecting tube 2 connecting length in the axial direction, not only keep away
Exempt from the first connecting tube 1 and the second connecting tube 2 mutually extruding when stress raisers and deform, reduce the first connecting tube 1 and the
The thickness requirements of two connecting tubes 2, and ensure that junction has enough intensity, further reduce by the first connecting tube 1 and second
The relative of connecting tube 2 is rocked.
With reference to Fig. 4 and Fig. 5, the end of the first connecting tube 1 sets axially extending open slot 11, and the inwall of pipe box 3 is provided with convex
Muscle 31, convex tendon 31 is snapped in open slot 11 when the first connecting tube 1 stretches into pipe box 3, realizes the week of the first connecting tube 1 and pipe box 3
To positioning, it is to avoid the first connecting tube 1 relatively rotates with the stress of pipe box 3, in the present embodiment, the upstream end of convex tendon 31 is provided with leads
To muscle 32, guiding rib 32 is gradually tapered up in the second connecting tube 2 on the direction of the first connecting tube 1, realizes convex tendon 31 and open slot
11 pre-determined bit, facilitates convex tendon 31 vertically in quick insertion open slot 11.
The outside of the first connecting tube 1 is provided with locating part, and the tube wall of pipe box 3 is provided with stopper slot 33, and locating part connects first
Adapter 1 is snapped in stopper slot 33 when being installed in place with pipe box 3, realizes the axially position of the first connecting tube 1 and the second connecting tube 2,
In the present embodiment, locating part is positive stop spring plate 12, and the outside of the first connecting tube 1 is provided with the mounting groove placed for positive stop spring plate 12
13, the one end of positive stop spring plate 12 is connected to the cell wall of mounting groove 13, the other end and freely stretches out mounting groove 13, and the first connecting tube 1 is along axle
During in insertion pipe box 3, the sidewall extrusion positive stop spring plate 12 of pipe box 3 is pressed into its free end in mounting groove 13, after extruding
Shell fragment is concordant with the side wall of the first connecting tube 1, further inserts inwards beneficial to the first connecting tube 1, when the first connecting tube 1 and pipe box
3 when being installed in place, and positive stop spring plate 12 is completely exposed from stopper slot 33, and the free end automatic rebounding of positive stop spring plate 12 simultaneously stretches into limit
In the groove 33 of position, the free end of positive stop spring plate 12 contacts at the cell wall of stopper slot 33 and realizes that the first connecting tube 1 and the axial direction of pipe box 3 are determined
Position, when the first connecting tube 1 is dismantled with pipe box 3, pressing positive stop spring plate 12 is to mounting groove 13, then the first connecting tube of axial separation 1
With pipe box 3, it entirely dismounts simple and convenient.The circumferential lengths of stopper slot 33 are not only protected more than the circumferential width of positive stop spring plate 12
Card positive stop spring plate 12 can be stretched into freely in stopper slot 33, and facilitates finger to stretch in stopper slot 33 to press positive stop spring plate
12。
With reference to Fig. 6, pipe box 3 is provided with the stud 34 for radially extending, and the second connecting tube 2 is provided with screw 21, and screw is passed through
Screw 21 is connected to stud 34, it is ensured that the bonding strength of the second connecting tube 2 and pipe box 3, in the present embodiment, the two ends of stud 34 are equal
The tube wall of pipe box 3 is connected to, the screwed hole in stud 34 runs through stud, so as to screw 21 is aligned i.e. with any one end of stud 34
Can connect, facilitate the installation of screw, meanwhile, the stud 34 of two ends connection improves the side wall of pipe box 3 as the reinforcing prop of pipe box 3
Intensity, it is to avoid radial compression excessively or screw thread over-tightened and deform.
The edge in the outside of pipe box 3 is provided with axially extending positioning convex 35, and the second connecting tube 2 is provided with locating slot 22, positioning
Raised 35 snap in locating slot 22 when the second connecting tube 2 is sheathed on pipe box 3, realize the circumference of the second connecting tube 2 and pipe box 3
Positioning, it is to avoid install the relative rotation at initial stage, realize the circumferential pre-determined bit of screw 21 and stud 34, it is ensured that screw 21 and stud
34 rapid alignments.In the present embodiment, the two ends of the second connecting tube 2 are equipped with the mounting head 23 of tubular structure, mounting head 23 it is straight
More than the diameter of the second connecting tube 2, locating slot 22 is located at the edge of mounting head 23 in footpath.Second connecting tube 2 by mounting head 23 with
Pipe box 3 connects, it is to avoid directly screw 21 and locating slot 22 are directly opened up in the second connecting tube 2 and its own intensity is reduced, peace
The diameter with diameter greater than the second connecting tube 2 of dress 23, under the conditions of mounting head 23 can be sheathed on pipe box 3, it is ensured that first connects
Adapter 1 is consistent with the diameter of the second connecting tube 2, it is to avoid connecting rod thickness that more piece is arranged it is uneven and affect it is attractive in appearance and it is overall by force
Degree.
The edge of pipe box 3 is provided with the flange 36 concordant with the outer wall of mounting head 23, and the second connecting tube 2 is contacted on flange 36,
Positioning convex 35 is on flange 36.Flange 36 avoids pipe box 3 from being axially inserted into the second connecting tube 2 excessively, realizes the second connecting tube 2
Axial pre-determined bit, it is ensured that screw 21 is aligned in the axial direction with stud 34, meanwhile, flange 36 cover the second connecting tube 2 end face,
The agnail for avoiding edge hurts user, and flange 36 is concordant with the outer wall of mounting head 23, and aesthetic property is higher.Set on the tube wall of pipe box 3
There is an axially extending bar shaped groove 37, during the insertion pipe box 3 of the first connecting tube 1, bar shaped groove 37 is as watch window facilitating use
The installation at family.
In the present embodiment, positioning convex 35 can also be in the second connecting tube 2, and locating slot 22 is located at the outer of pipe box 3
Wall, positioning convex 35 is snapped in locating slot 22 when the second connecting tube 2 is sheathed on pipe box 3, it is to avoid at the end of the second connecting tube 2
Portion slots, and improves the intensity of the second connecting tube 2.
In the present embodiment, the second connecting tube 2 can also be bolted with pipe box 3, and specifically, bolt passes through screw
21st, stud 34 is connected with nut, it is to avoid stud 34 opens up screw thread, simplifies the machine-shaping of stud 34.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deforms, and without departing from the spirit of the present invention, all should belong in claims of the present invention and determine
The scope of justice.
Claims (10)
1. a kind of grass-mowing machine, including body, connecting rod and handle, body and handle are connected respectively with the two ends of connecting rod, and it is special
Levy and be:The connecting rod includes the first connecting tube, the second connecting tube and pipe box, and one end of pipe box is sheathed on the first connecting tube
Simultaneously stretch in the second connecting tube and be threadedly coupled with the second connecting tube with the first connecting tube clamping, the other end in end.
2. grass-mowing machine according to claim 1, it is characterised in that:The end of first connecting tube sets axially extending opening
Mouth groove, the inwall of pipe box is provided with convex tendon, and convex tendon is snapped in open slot when the first connecting tube stretches into pipe box.
3. grass-mowing machine according to claim 2, it is characterised in that:Locating part is provided with the outside of first connecting tube, is managed
The tube wall of set is provided with stopper slot, and locating part is snapped in stopper slot when the first connecting tube and pipe box are installed in place.
4. grass-mowing machine according to claim 3, it is characterised in that:The locating part is positive stop spring plate, the first connecting tube
Outside is provided with the mounting groove placed for positive stop spring plate, and positive stop spring plate one end is connected to the cell wall of mounting groove, the other end and freely stretches out
Mounting groove.
5. grass-mowing machine according to claim 4, it is characterised in that:The upstream end of the convex tendon is provided with guiding rib, guiding rib
Gradually taper up on the direction of the first connecting tube in the second connecting tube, the circumferential lengths of stopper slot are more than the peripheral width of positive stop spring plate
Degree.
6. the grass-mowing machine according to claim 1 to 5 any one, it is characterised in that:Edge on the outside of the pipe box is provided with
Axially extending positioning convex, the second connecting tube is provided with locating slot, and positioning convex blocks when the second connecting pipe box are on pipe box
In entering locating slot.
7. grass-mowing machine according to claim 6, it is characterised in that:The end of second connecting tube is provided with tubular structure
Mounting head, the diameter with diameter greater than the second connecting tube of mounting head, locating slot is located at the edge of mounting head.
8. grass-mowing machine according to claim 7, it is characterised in that:The edge of the pipe box is provided with concordant with mounting head outer wall
Flange, the second connecting tube contacted on flange, and positioning convex is located at flange, and the tube wall of pipe box is provided with axially extending bar shaped
Groove.
9. the grass-mowing machine according to claim 1 to 5 any one, it is characterised in that:The pipe box is provided with and radially extends
Stud, the second connecting tube is provided with screw, and screw is connected to stud through screw.
10. grass-mowing machine according to claim 9, it is characterised in that:The two ends of the stud are all connected to the tube wall of pipe box,
Screwed hole in stud runs through stud.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611266333.4A CN106664941A (en) | 2016-12-31 | 2016-12-31 | Grass trimmer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611266333.4A CN106664941A (en) | 2016-12-31 | 2016-12-31 | Grass trimmer |
Publications (1)
Publication Number | Publication Date |
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CN106664941A true CN106664941A (en) | 2017-05-17 |
Family
ID=58849500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611266333.4A Pending CN106664941A (en) | 2016-12-31 | 2016-12-31 | Grass trimmer |
Country Status (1)
Country | Link |
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CN (1) | CN106664941A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114467472A (en) * | 2021-09-16 | 2022-05-13 | 江苏纵化农业机械有限公司 | Conveniently-disassembled mower operating handle |
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CN205704054U (en) * | 2016-06-29 | 2016-11-23 | 宁波动一电器有限公司 | Grass-mowing machine operation handle provision for disengagement |
CN206442701U (en) * | 2016-12-31 | 2017-08-29 | 浙江亚特电器有限公司 | A kind of grass-mowing machine |
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CN114467472A (en) * | 2021-09-16 | 2022-05-13 | 江苏纵化农业机械有限公司 | Conveniently-disassembled mower operating handle |
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