CN207022611U - A kind of scalable rear-mounted motor Gao Zhiju - Google Patents
A kind of scalable rear-mounted motor Gao Zhiju Download PDFInfo
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- CN207022611U CN207022611U CN201720714448.9U CN201720714448U CN207022611U CN 207022611 U CN207022611 U CN 207022611U CN 201720714448 U CN201720714448 U CN 201720714448U CN 207022611 U CN207022611 U CN 207022611U
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- driving medium
- expansion link
- mounted motor
- gao zhiju
- holding rod
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Abstract
The utility model discloses a scalable rear-mounted motor Gao Zhiju, it is related to garden instrument field, including drive motor, holding rod and cutting assembly, the drive motor is connected to described holding rod one end, the holding rod other end connects the cutting assembly, the holding rod is expansion link, transmission device is provided with the expansion link, the transmission device includes the interior outer driving medium being mutually connected, inner driving medium or the outer driving medium alternative one connects the drive motor, another connects the cutting assembly, during the length of telescopic bar change, the inner driving medium occurs axially opposing slip with outer driving medium and keeps being driven.The utility model realizes telescopically adjustable length on the premise of drive motor and cutting assembly remain drive state.
Description
【Technical field】
It the utility model is related to garden instrument field, and in particular to a kind of rearmounted scalable Gao Zhiju of motor.
【Background technology】
Garden Planning and finishing aspect, have much for the trimming device of shrub in landscape engineering technical field, its
Middle Gao Zhiju is the equipment for repairing shearing eminence branch.Gao Zhiju of the prior art, preposition motor type can be divided into after
Put two kinds of motor type.Rear-mounted motor formula is following because its motor is placed on, and mitigates the weight of cutting head assembly significantly, while can be with
By means of the support of body, lower operator's arm strength stress, used extensively.
Rear-mounted motor formula Gao Zhiju, because motor is below, cutting head assembly is above, biography of the motor to cutting head assembly
Defeated part needs the drive mechanism grown very much.Prior art connects using with flexible axle, and this structure has problems with：Due to
Flexible axle connects, and makes driving member not flexible, it is impossible to reach preposition motor by adjusting holding rod length, can be to different height branch
Sawing is carried out, operating personnel are needed according to circumstances change the holding rod of corresponding length, the carrying also extremely inconvenience of its holding rod.
So not only significantly increase the workload of finishing personnel, while the efficiency that also strong influence afforestation is safeguarded.
【Utility model content】
To solve foregoing problems, the utility model provides a kind of new scalable rear-mounted motor Gao Zhiju, driven
Motor and cutting assembly realize telescopically adjustable length on the premise of remaining drive state.
In order to achieve the above object, the utility model adopts the following technical scheme that：
A kind of scalable rear-mounted motor Gao Zhiju, including drive motor, main casing, holding rod and cutting assembly, the drive
For dynamic motor holding in the main casing, the main casing is connected to described holding rod one end, is cut described in the holding rod other end connection
Component is cut, the holding rod is expansion link, and transmission device is provided with the expansion link, and the transmission device includes mutually drive connection
Inner driving medium and outer driving medium, the inner driving medium connects the drive motor with outer driving medium alternative one, another company
The cutting assembly is connect, when the length of telescopic bar changes, with outer driving medium axially opposing slip occurs for the inner driving medium simultaneously
Keep transmission.
Further, the inner driving medium is female splined shaft, and the outer driving medium is male splined shaft.
Optionally, the inner driving medium and outer driving medium are rotating shaft, and the inner driving medium is passed with outer driving medium by key
Dynamic connection.
Optionally, the cross section of the inner driving medium is hexagonal or triangle, the outer driving medium are provided with described in receiving
The inwall transmission of the mating cavity of inner driving medium, the outer peripheral face of the inner driving medium and the mating cavity coordinates.
Further, at least one shock-absorbing sleeve is provided between the outer driving medium and the expansion link.
Further, the shock-absorbing sleeve is silica gel sheath or rubber sleeve.
Optionally, the expansion link includes inner sleeve and outer tube, and the expansion link is provided with winding device, described to screw
Device includes the first joint and the second joint, and first fitting sleeve is described located at one of the inner sleeve and outer tube
Second fitting sleeve is located at first joint, and the cooperation of intermeshing locking is respectively equipped with first joint and the second joint
Tooth, or it is respectively equipped with the screw thread of mutual cooperation.
Further, the winding device also includes alignment pin, and the alignment pin is passed through described in first joint insertion
Expansion link.
Optionally, the expansion link is detachably connected with the main casing and the cutting assembly respectively.
After adopting the above technical scheme, the utility model has the following advantages that：
A kind of scalable rear-mounted motor Gao Zhiju, including drive motor, main casing, holding rod and cutting assembly, the drive
For dynamic motor holding in the main casing, the main casing is connected to described holding rod one end, is cut described in the holding rod other end connection
Component is cut, the holding rod is expansion link, and transmission device is provided with the expansion link, and the transmission device includes mutually drive connection
Inner driving medium and outer driving medium, inner driving medium or the outer driving medium alternative one connects the drive motor, another company
The cutting assembly is connect, when the length of telescopic bar changes, with outer driving medium axially opposing slip occurs for the inner driving medium simultaneously
Keep transmission：The transmission device that inner driving medium and outer driving medium are formed, relative slip is produced both when expansion link stretches, still
Transmission is remained, solves the problems, such as that rear-mounted motor Gao Zhiju can not stretch in the prior art, can not only realize that holding rod is stretched
Contracting is connected with cutting the branches and leaves of different height more than the hard axle that the transmission of certain length, inner driving medium and outer driving medium are formed
Connect and connected compared to flexible axle, vibrations are small, and operator is more comfortable.
The inner driving medium is female splined shaft, and the outer driving medium is male splined shaft：Give the specific of interior outer driving medium
Structure, female splined shaft and male splined shaft equably make more key teeth and keyway, thus junction uniform force, due to spline
Keyway it is shallower, stress concentration is smaller at tooth root, therefore the strength reduction of interior male splined shaft is less, simultaneously as the tooth of key teeth
Number is more, and total contact area is larger, thus can bear compared with big load, stability and high efficiency.
The inner driving medium and outer driving medium are rotating shaft, and the inner driving medium is connected with outer driving medium by key：
Give another concrete structure of interior outer driving medium, key transmission is most commonly seen mechanical drive mode, key can use flat key,
Woodruff key etc., it is simple in construction, it is cheap, it is easy to safeguard.
The cross section of the inner driving medium is hexagonal or triangle, the outer driving medium are provided with the receiving inner driving medium
Mating cavity, the inwall transmission of the outer peripheral face of the inner driving medium and the mating cavity coordinates：Give the another of interior outer driving medium
A kind of concrete structure, using face Contact Transmission mode, hexagonal axis or Axis Tripod are easy to purchase, and without additional processing, therefore make production
Product cost is effectively reduced.
At least one shock-absorbing sleeve is provided between the outer driving medium and the expansion link, the shock-absorbing sleeve is silica gel sheath or rubber
Gum cover：It is longer due to being driven distance, vibrations, vibrations meeting unstable wear are produced unavoidably, while reduce the usage comfort of operator.
Install shock-absorbing sleeve additional between outer driving medium and telescoping tube, the negative effect that vibrations are brought can be minimized.
The expansion link includes inner sleeve and outer tube, and the expansion link is provided with winding device, the winding device bag
The first joint and the second joint are included, located at one of the inner sleeve and outer tube, described second connects first fitting sleeve
Headgear is located at first joint, and the cooperating teeth of intermeshing locking is respectively equipped with first joint and the second joint, or
It is respectively equipped with the screw thread of mutual cooperation：Flexible rod locking can be easy to make after expansion link is adjusted to suitable length
User operates.
The winding device also includes alignment pin, and the alignment pin inserts the expansion link through first joint：It is fixed
Position pin prevents the first joint from being slided in the circumference of expansion link so that expansion link is locked more firm after adjusting to suitable length
Lean on.
The expansion link is detachably connected with the main casing and the cutting assembly respectively：Using being detachably connected, grow
Time service, after the interior outer driving medium abrasion of mutual cooperation, interior outer driving medium, operation, easy to maintenance, reduction use can be changed
Maintenance cost.
These features and advantage of the present utility model will be carried out in detail in following embodiment and accompanying drawing
Exposure.The optimal embodiment of the utility model or means will carry out detailed performance with reference to accompanying drawing, but be not new to this practicality
The limitation of type technical scheme.In addition, in each of the lower in text and accompanying drawing these features, key element and the component that occur be have it is multiple,
And different symbols or numeral are marked in order to represent convenient, but represents same or similar construction or the part of function.
【Brief description of the drawings】
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the overview of the utility model embodiment one；
Fig. 2 is the sectional view of expansion link in the utility model embodiment one；
Fig. 3 is the section view of expansion link in the utility model embodiment one；
Fig. 4 is the section view of expansion link in the utility model embodiment two；
Fig. 5 is the section view of expansion link in the utility model embodiment three；
Fig. 6 is the section view of expansion link in the utility model embodiment four.
In accompanying drawing：
1- power supplys, 11- Operation switches, 2- gripping handles, 3- drive motors, the locks of 41- first pay screw, and the locks of 42- second are paid
Screw, 5- expansion links, 51- inner sleeves, 52- outer tubes, 6- winding devices, the joints of 61- first, the joints of 62- second, 63- coordinate
Tooth, 64- alignment pins, 7- cutting assemblies, 81- female splined shafts, 82- male splined shafts, 9- shock-absorbing sleeves.
【Embodiment】
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
" one embodiment " or " example " or " example " quoted in this manual means that itself is described in conjunction with the embodiments
Special characteristic, structure or characteristic can be included at least one embodiment disclosed in this patent.Phrase is " in one embodiment
In " appearance of each position in the description is not necessarily all referring to same embodiment.
In the description of the utility model embodiment, term " on ", " under ", "left", "right", " transverse direction ", " longitudinal direction ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model rather than require the utility model must with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
Embodiment one：
The present embodiment provides a kind of scalable rear-mounted motor Gao Zhiju.
As shown in Figure 1 to Figure 3, a kind of scalable rear-mounted motor Gao Zhiju, including power supply 1, drive motor 3, the and of expansion link 5
Cutting assembly 7, power supply 1 are arranged on the bottom of whole scalable rear-mounted motor Gao Zhiju, main casing (not marked in figure) cladding
Drive motor 3 and power supply 1 simultaneously form gripping handle 2 between power supply 1 and drive motor 3, and control power supply 1 is logical with drive motor 3
Disconnected Operation switch 11 is arranged on gripping handle 2, is easy to user to operate.One end in main casing where drive motor 3 with
Expansion link 5 is paid screw 41 by the first lock and is detachably connected, and winding device 6 is set on expansion link 5, and winding device 6 is used to stretch
Contracting bar 5 locks expansion link 5 after adjusting to suitable length, so that user operates.The other end of expansion link 5 is paid by the second lock
Screw 42 is detachably connected with cutting assembly 7, and cutting assembly 7 is cut as the active section of scalable rear-mounted motor Gao Zhiju
Operation.
Expansion link 5 includes inner sleeve 51 and outer tube 52, and inner sleeve 51 and outer tube 52 are reached by the relative slip of axial direction
To the purpose of telescopic adjustment length.Drive motor 3 is connected with cutting assembly 7 by drive, and transmission device includes interior
Splined shaft 81 and male splined shaft 82, female splined shaft 81 are connected to drive motor 3, and male splined shaft 82 is connected to cutting assembly 7, interior flower
Key axle 81, which stretches into cooperate by spline in male splined shaft 82, reaches the purpose of transmission, in 5 telescopic adjustment length of expansion link,
Relative slip also occurs for female splined shaft 81 and male splined shaft 82, but because female splined shaft 81 is all the time in male splined shaft 82, two
Person, which remains, to be contacted and has spline drived, therefore transmission device can keep being driven shape all the time when the length of expansion link 5 changes
State, final result the problem of in the prior art rear-mounted motor Gao Zhiju can not stretch.Meanwhile female splined shaft 81 and male splined shaft 82 are equal
More key teeth and keyway, thus junction uniform force, because the keyway of spline is shallower, stress concentration at tooth root are made evenly
It is smaller, therefore the strength reduction of female splined shaft 81 and male splined shaft 82 is less, simultaneously as the number of teeth of key teeth is more, total contact
Area is larger, thus can bear compared with big load, stability and high efficiency.Meanwhile expansion link 5 can by the first lock pair screw 41 with main casing
Dismantling connection, pay screw 42 by the second lock with cutting assembly 7 and be detachably connected, therefore working long hours, mutual cooperation
After female splined shaft 81 and male splined shaft 82 produce abrasion, it can pull down and change interior male splined shaft, operation, easy to maintenance, reduction
Working service cost.
Some shock-absorbing sleeves 9 are additionally provided between expansion link 5 and male splined shaft 82, shock-absorbing sleeve 9 is by elasticity such as silica gel or rubber
Material is made, the preferred silica gel sheath of the present embodiment.Shock-absorbing sleeve 9 is set on male splined shaft 82, and is contacted with the inwall of telescoping tube 5,
Slow down and worn caused by vibrations caused by transmission process, while improve the comfort level of user's operation.
Winding device 6 is additionally provided with expansion link 5, winding device 6 includes the first joint 61, the second joint 62, cooperating teeth 63
With alignment pin 64, in the present embodiment, the first joint 61 is sheathed on the outer wall of outer tube 52, and the second joint 62 is sheathed on the first joint 61
The cooperating teeth 63 of intermeshing locking is respectively equipped with outer peripheral face, the first joint 61 and the second joint 62, cooperating teeth 63 can also be replaced
The screw thread for mutually screwing cooperation is changed to, flexible rod locking can be easy to use after expansion link is adjusted to suitable length
Person operates.Alignment pin 64 is additionally provided with winding device 6, alignment pin 64 inserts outer tube 52 through the first joint so that expansion link 5
It is more firm to be locked after adjusting to suitable length.Winding device 6 is unscrewed, inner sleeve 51 and outer tube 52, which are in, relative to be slided
State, adjusted according to user's demand to appropriate length, screw winding device 6, inner sleeve 51 and outer tube 52 are locked, made
The two is in state is relatively fixed, in order to which user operates.
Embodiment two
As shown in figure 4, the present embodiment, unlike embodiment one, in the present embodiment, transmission device includes intermediate solid drive shaft
81st, outer power transmission shaft 82 and flat key 83, the outer wall of intermediate solid drive shaft 8 are axially arranged with keyway, and the outer inwall of power transmission shaft 82 is axially arranged with key
Groove, flat key 83 inserts the keyway of intermediate solid drive shaft 81 and the keyway of outer power transmission shaft 82 simultaneously, to reach the purpose of transmission, flat key 83
Wedge key or woodruff key etc. are can be replaced, flat key 83 need to be only changed when transmission failure, it is simple in construction, it is cheap, just
In maintenance.
Embodiment three
As shown in figure 5, the present embodiment, unlike embodiment one, in the present embodiment, transmission device includes intermediate solid drive shaft
81 and outer power transmission shaft 82, the section of intermediate solid drive shaft 81 is triangular in shape, and outer power transmission shaft 82 is provided with the mating cavity for accommodating intermediate solid drive shaft 81,
The mating cavity section of outer power transmission shaft 82 is also triangular in shape, the inwall of the outer peripheral face of intermediate solid drive shaft 81 and mating cavity cooperate with up to
To the purpose of transmission, Axis Tripod is easy to purchase, and without additional processing, therefore product cost is effectively reduced.
Example IV
As shown in fig. 6, the present embodiment, unlike embodiment three, in the present embodiment, the section of intermediate solid drive shaft 81 is in six
Side shape, outer power transmission shaft 82 are provided with the mating cavity for accommodating intermediate solid drive shaft 81, and the mating cavity section of outer power transmission shaft 82 is also hexagonal, interior
The outer peripheral face of power transmission shaft 81 and the inwall of mating cavity cooperate to reach the purpose of transmission.
More than, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited thereto,
It is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited in accompanying drawing and above embodiment
The content of description.Any modification without departing from function and structure principle of the present utility model is intended to be included in the model of claims
In enclosing.
Claims (9)
1. a kind of scalable rear-mounted motor Gao Zhiju, including drive motor, main casing, holding rod and cutting assembly, the driving
For motor holding in the main casing, the main casing is connected to described holding rod one end, and the holding rod other end connects the cutting
Component, it is characterised in that：The holding rod is expansion link, is provided with transmission device in the expansion link, the transmission device includes phase
The inner driving medium and outer driving medium being mutually connected, the inner driving medium and outer driving medium alternative one connect the driving horse
Reach, another connects the cutting assembly, and when the length of telescopic bar changes, the inner driving medium occurs axially with outer driving medium
It is relative to slide and keep being driven.
2. scalable rear-mounted motor Gao Zhiju according to claim 1, it is characterised in that：The inner driving medium is internal spline
Axle, the outer driving medium are male splined shaft.
3. scalable rear-mounted motor Gao Zhiju according to claim 1, it is characterised in that：The inner driving medium and outer driving medium
It is rotating shaft, the inner driving medium is connected with outer driving medium by key.
4. scalable rear-mounted motor Gao Zhiju according to claim 1, it is characterised in that：The cross section of the inner driving medium is in
Hexagon or triangle, the outer driving medium are provided with the mating cavity for accommodating the inner driving medium, the outer peripheral face of the inner driving medium
It is driven and coordinates with the inwall of the mating cavity.
5. according to the scalable rear-mounted motor Gao Zhiju of Claims 2 or 3 or 4, it is characterised in that：The outer driving medium and institute
State and be provided with least one shock-absorbing sleeve between expansion link.
6. scalable rear-mounted motor Gao Zhiju according to claim 5, it is characterised in that：The shock-absorbing sleeve is silica gel sheath or rubber
Gum cover.
7. scalable rear-mounted motor Gao Zhiju according to claim 1, it is characterised in that：The expansion link include inner sleeve and
Outer tube, the expansion link are provided with winding device, and the winding device includes the first joint and the second joint, and described first connects
Headgear is located at one of the inner sleeve and outer tube, and second fitting sleeve is located at first joint, and described first connects
The cooperating teeth of intermeshing locking is respectively equipped with head and the second joint, or is respectively equipped with the screw thread of mutual cooperation.
8. scalable rear-mounted motor Gao Zhiju according to claim 7, it is characterised in that：The winding device also includes positioning
Pin, the alignment pin insert the expansion link through first joint.
9. scalable rear-mounted motor Gao Zhiju according to claim 1, it is characterised in that：The expansion link respectively with the master
Housing and the cutting assembly are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714448.9U CN207022611U (en) | 2017-06-19 | 2017-06-19 | A kind of scalable rear-mounted motor Gao Zhiju |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714448.9U CN207022611U (en) | 2017-06-19 | 2017-06-19 | A kind of scalable rear-mounted motor Gao Zhiju |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207022611U true CN207022611U (en) | 2018-02-23 |
Family
ID=61467751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720714448.9U Active CN207022611U (en) | 2017-06-19 | 2017-06-19 | A kind of scalable rear-mounted motor Gao Zhiju |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207022611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107258351A (en) * | 2017-06-19 | 2017-10-20 | 浙江亚特电器有限公司 | A kind of scalable rear-mounted motor Gao Zhiju |
| CN111972249A (en) * | 2020-08-26 | 2020-11-24 | 湖州林立木业有限公司 | Portable agricultural felling device with function of adjusting diameter |
| CN112544207A (en) * | 2020-12-08 | 2021-03-26 | 台州金斯顿机械科技有限公司 | Telescopic brush cutter |
-
2017
- 2017-06-19 CN CN201720714448.9U patent/CN207022611U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107258351A (en) * | 2017-06-19 | 2017-10-20 | 浙江亚特电器有限公司 | A kind of scalable rear-mounted motor Gao Zhiju |
| CN111972249A (en) * | 2020-08-26 | 2020-11-24 | 湖州林立木业有限公司 | Portable agricultural felling device with function of adjusting diameter |
| CN112544207A (en) * | 2020-12-08 | 2021-03-26 | 台州金斯顿机械科技有限公司 | Telescopic brush cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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. |
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| CP03 | Change of name, title or address |