CN208529161U - A kind of durable type electric shear - Google Patents
A kind of durable type electric shear Download PDFInfo
- Publication number
- CN208529161U CN208529161U CN201820744476.XU CN201820744476U CN208529161U CN 208529161 U CN208529161 U CN 208529161U CN 201820744476 U CN201820744476 U CN 201820744476U CN 208529161 U CN208529161 U CN 208529161U
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- ball
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- casing
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Abstract
The utility model discloses a kind of durable type electric shears, comprising: casing, trigger and the motor being mounted in casing, transmission device；Trigger is installed on the lower section of casing, and Hall switch is fixed between trigger and casing, Hall switch is electrically connected with motor, for controlling the opening and closing of motor, it is fixedly installed with ledger-plate at the side of trigger, cutting blade is hinged on ledger-plate, cutting blade is connected to the motor by transmission device, for driving the folding between cutting blade and ledger-plate, transmission device includes: cabinet and the connecting rod for being installed on box house, ball-screw, gear frame；Ball-screw outer surface thread is connected with nut, nut is fixedly connected with the connecting rod, and the end point of ball-screw is fixed with square block, gear frame center offers square through hole, the connection of gear frame and ball-screw is realized by the cooperation of square block and square through hole, it can be realized and manpower is replaced with motor driven, reduce the amount of labour of employee, and long service life.
Description
Technical field
The utility model relates to a kind of agricultural tool, in particular to a kind of durable type electric shear.
Background technique
It is well known that traditional scissors is although widely used, but relatively consumption manpower, operator is in prolonged use
Afterwards, with the consumption of physical strength and the passivation of cut paper blade, gradually decrease labor efficiency, it is this to be grasped by hand using original tool
The method of work is obviously unable to satisfy the needs of the times of automation machining at present.
And electric shear is then that the hand electric of blade progress shearing work is driven by lead screw using motor as power
The characteristics of tool, electric shear is because of convenient power-saving, is widely used, but there is also as follows for electric shear currently on the market
Defect: since when installing lead screw and motor, the more difficult control of the concentricity of electric machine main shaft and lead screw causes lead screw in the mistake of rotation
It will appear subtle shaking in journey, influence using feel, while service life can also be greatly decreased.
Utility model content
The utility model be can be realized and be driven with motor mainly solving the technical problems that provide a kind of durable type electric shear
It is dynamic to replace manpower, reduce the amount of labour of employee, and long service life.
In order to solve the above technical problems, the technical solution that the utility model uses is: it is electronic to provide a kind of durable type
Scissors, comprising: casing, trigger and the motor being mounted in the casing, transmission device；The trigger is installed on the casing
Lower section, and Hall switch is fixed between the trigger and the casing, the Hall switch is electrically connected with the motor, is used for
The opening and closing of the motor is controlled, ledger-plate is fixedly installed at the side of the trigger, is hinged with cutting blade on the ledger-plate,
The cutting blade is connected by the transmission device with the motor, for driving between the cutting blade and the ledger-plate
Folding, which is characterized in that the transmission device include: cabinet and the connecting rod for being installed on the box house, ball-screw,
Gear frame；
The ball-screw outer surface thread is connected with nut, and the nut is fixedly connected with the connecting rod, and described
The end point of ball-screw is fixed with square block, and the gear frame center offers square through hole, passes through the square block and institute
The connection of the gear frame and the ball-screw is realized in the cooperation for stating square through hole；
The outer surface of the nut is fixedly installed with magnet ring, and the trigger is internally provided with magnetic patch, by the magnetic patch and
The magnetic field formed between the magnet ring controls the keying signal of the Hall switch.
In one preferred embodiment of the utility model, the Hall switch is hall circuitboard.
In one preferred embodiment of the utility model, the connecting rod and the cutting blade are hinged.
In one preferred embodiment of the utility model, one end of the ball-screw is supported by the way that bearing is fixed, another
End passes through the fixed support of the nut.
It further include having positioning sleeve in the cabinet in one preferred embodiment of the utility model, the positioning sleeve package
In the outer surface of the bearing.
In one preferred embodiment of the utility model, stop collar, the stop collar are equipped in one end of the positioning sleeve
It is wrapped in the outer surface of the ball-screw, is equipped with positioning ring in the other end of the positioning sleeve, the positioning ring is wrapped in institute
State the outer surface of electric machine main shaft.
The beneficial effects of the utility model are: a kind of durable type electric shear of the utility model, in the end of ball-screw
Locate fixed square block, open up square through hole at gear frame center, and matching by using the square block and the square through hole
The connection to realize the gear frame Yu the ball-screw is closed, can be greatly improved same between electric machine main shaft and ball-screw
Axis degree prolongs the service life to prevent electric machine main shaft and ball-screw from shaking during rotation, and durable type is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model in a preferred embodiment；
Fig. 2 is the sectional view of gear frame shown in Fig. 1；
The components in the drawings are labeled as follows: 1, casing, 2, trigger, 3, transmission device, 4, motor, 5, ledger-plate, and 6, dynamic
Blade, 7, Hall switch, 20, magnetic patch, 30, casing, 31, connecting rod, 32, ball-screw, 33, ring gear, 34, gear frame, 35,
Nut, 36, fixing sleeve, 37, stop collar, 38, positioning sleeve, 39, positioning ring, 320, square block, 341, square through hole, 342, pin
Block, 343, planetary gear, 350, magnet ring.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Referring to Fig. 1, the utility model embodiment includes:
A kind of durable type electric shear, comprising: casing 1, trigger 2 and the motor 4 being mounted in the casing 1, transmission
Device 3；The trigger 2 is installed on the lower section of the casing 1, and is fixed with Hall switch between the trigger 2 and the casing 1
7, the Hall switch 7 is electrically connected with the motor 4, for controlling the opening and closing of the motor 4, fixes at the side of the trigger 2
Ledger-plate 5 is installed, cutting blade 6 is hinged on the ledger-plate 5, the cutting blade 6 passes through the transmission device 3 and the electricity
Machine 4 is connected, for driving the folding between the cutting blade 6 and the ledger-plate 5；
The transmission device 3 includes: cabinet 30 and the connecting rod 31 being installed on inside the cabinet 30, ball-screw
32, ring gear 33, gear frame 34,32 outer surface thread of ball-screw are connected with nut 35, the nut 35 and the company
Extension bar 31 is bolted to connection, and can prevent from rotating synchronously in ball-screw 32 and nut 35, to cannot achieve connection
Bar 31 moves horizontally, and the end point of the ball-screw 32 is fixed with square block 320, the gear frame center side of offering
Shape through-hole 341 realizes the gear frame 34 and the ball by the cooperation of the square block 320 and the square through hole 341
The connection of lead screw 32 can be improved the concentricity between 4 main shaft of motor and ball-screw 32, greatly improve service life；
Referring to FIG. 2, several pin blocks 342 are fixedly installed on the gear frame 34, fixed peace on each pin block 342
Equipped with planetary gear 343, the outer edge of each planetary gear 343 is engaged with the ring gear 33, each planetary gear 343
Inside edge engaged with the main shaft of the motor 4, so as to increase the transmission ratio between 4 main shaft of motor and ball-screw 32,
The final shearing increased between cutting blade 6 and ledger-plate 5；
The outer surface of the nut 35 is fixedly installed with magnet ring 350, and the trigger 2 is internally provided with magnetic patch 20, passes through institute
State the keying signal of the magnetic field control Hall switch formed between magnetic patch 20 and the magnet ring 350.
It further illustrates, one end of the ball-screw 34 is supported by the way that bearing is fixed, and the bearing specifically includes longitudinal direction
Spring bearing and cross-brace bearing, the longitudinal bracing bearing and the cross-brace bearing are fixed on the ball-screw 34
The high spot on right side, the other end guarantee the stability of ball-screw 34 in vertical direction by the fixed support of the nut 35,
It prevents ball-screw 34 from shaking when rotated, further prolongs the service life.
It further include having positioning sleeve 38 in the cabinet 30 in the utility model another preferred embodiment, the positioning sleeve
38 are wrapped in the outer surface of the bearing, for limiting ball-screw 32 and the displacement of gear frame 34 in vertical direction, prevent
Ball-screw 32 shakes during rotation with gear frame 34, guarantees the service life of transmission device 3.
It is equipped with stop collar 37 in one end of the positioning sleeve 38, the stop collar 37 is wrapped in the outer of the ball-screw 32
Surface is equipped with positioning ring 37 in the other end of the positioning sleeve 38, and the positioning ring 37 is wrapped in the appearance of 4 main shaft of motor
Face prevents ball-screw 32 and nut 35 simultaneously for limiting ball-screw 32 and the displacement of gear frame 34 in the horizontal direction
It is subjected to displacement and is influenced the shearing of cutting blade 6, is further ensured that the service life of transmission device 3.
In the utility model another preferred embodiment, the cabinet 30 further includes having fixing sleeve 36, the fixing sleeve 36
Have threaded portion and conical surface portion, the threaded portion is connected with the cabinet 30, the front end of the conical surface portion and the motor 4
Lid is connected, and the diameter of bore of 36 conical surface portion of the fixing sleeve is less than 4 diameter of motor, can do the diameter of big ring gear 33, into
One step improves the transmission ratio between motor 4 and ball-screw 32, to improve the shearing between cutting blade 6 and ledger-plate 5.
Wherein, the Hall switch 7 is hall circuitboard, and each pin block 342 uniformly divides around the square through hole 341
Cloth, the connecting rod 31 and the cutting blade 6 are hinged.
It is different from the prior art, the utility model discloses a kind of durable type electric shear, and specific working principle is such as
Under:
Operator presses trigger 2, generates magnetic field between the magnet ring 350 on 35 surface of the magnetic patch 20 in trigger 2 and nut, should
The change in magnetic field is so that the generation open signal of Hall switch 7, starts to rotate forward, due to each pin block of gear frame 34 to control motor 4
The connection type that the outer edge of planetary gear 343 on 342 is engaged with ring gear 33, inside edge is engaged with 4 main shaft of motor, so that
Motor 4 drives gear frame 34 to rotate forward together after rotating forward, so that ball-screw 32 be driven to be rotated together, nut 35 is being rolled at this time
As rotation direction of thread is subjected to displacement during the rotation of ballscrew 32, so that connecting rod 31 is driven to be moved to the left, it is final to drive
Dynamic cutting blade 6 is rotated counterclockwise around ledger-plate 5, realizes the closure of cutting blade 6 and ledger-plate 5, completes to cut.
Operator unclamps trigger 2, the magnetic field generated between the magnet ring 350 on 35 surface of magnetic patch 20 and nut in trigger 2
It changes, the variation in the magnetic field is so that the generation shutdown signal of Hall switch 7, starts to invert, then drive biography to control motor 4
Moving frame 34 inverts therewith, and final that ball-screw 32 is driven to invert therewith, nut 35 can only move right with threads turn at this time,
So that nut 35 is reset to original position, connecting rod 31 is shunk therewith, realizes the opening of cutting blade 6 and ledger-plate 7, is completed multiple
Position.
A kind of durable type electric shear of the utility model, on the one hand, connect 4 main shaft of motor and rolling by using gear frame 34
Ballscrew 32 can be improved the concentricity between 4 main shaft of motor and ball-screw 32, prevent 4 main shaft of motor and ball-screw 32
It is shaken during rotation, greatly improves service life, durable type is strong；On the other hand, it is fixed on gear frame 34
Several pin blocks 342, and planetary gear 343 is fixedly mounted on each pin block 342, and pass through the outside of each planetary gear 343
Along engaging with the ring gear 33, the mode that the inside edge of each planetary gear 343 is engaged with the main shaft of the motor 4 can
It is final to increase cutting blade 6 to increase the transmission ratio between 4 main shaft of motor and ball-screw 32 to expand the diameter of ring gear 33
With the shearing between ledger-plate 5.
In addition, the casing 1 and cabinet 30 in the utility model are engineering plastics material, compared to traditional metal chassis
And metal cabinet, can have light weight, feature at low cost, carrying is convenient.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of durable type electric shear, comprising: casing, trigger and the motor being mounted in the casing, transmission device；Institute
The lower section that trigger is installed on the casing is stated, and is fixed with Hall switch between the trigger and the casing, the Hall is opened
Pass is electrically connected with the motor, and for controlling the opening and closing of the motor, ledger-plate is fixedly installed at the side of the trigger, described
Cutting blade is hinged on ledger-plate, the cutting blade is connected by the transmission device with the motor, described dynamic for driving
Folding between blade and the ledger-plate, which is characterized in that the transmission device includes: cabinet and is installed on the cabinet
The connecting rod of inside, ball-screw, gear frame；
The ball-screw outer surface thread is connected with nut, and the nut is fixedly connected with the connecting rod, and the ball
The end point of lead screw is fixed with square block, and the gear frame center offers square through hole, passes through the square block and the side
The connection of the gear frame and the ball-screw is realized in the cooperation of shape through-hole；
The outer surface of the nut is fixedly installed with magnet ring, and the trigger is internally provided with magnetic patch, by the magnetic patch and described
The magnetic field formed between magnet ring controls the keying signal of the Hall switch.
2. durable type electric shear according to claim 1, which is characterized in that the Hall switch is hall circuitboard.
3. durable type electric shear according to claim 1, which is characterized in that the connecting rod and the cutting blade are cut with scissors
It connects.
4. durable type electric shear according to claim 1, which is characterized in that one end of the ball-screw passes through bearing
Fixed support, the other end pass through the fixed support of the nut.
5. durable type electric shear according to claim 4, which is characterized in that it further include having positioning sleeve in the cabinet,
The positioning sleeve is wrapped in the outer surface of the bearing.
6. durable type electric shear according to claim 5, which is characterized in that be equipped with limit in one end of the positioning sleeve
Ring, the stop collar are wrapped in the outer surface of the ball-screw, are equipped with positioning ring in the other end of the positioning sleeve, described fixed
Position ring is wrapped in the outer surface of the electric machine main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744476.XU CN208529161U (en) | 2018-05-18 | 2018-05-18 | A kind of durable type electric shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744476.XU CN208529161U (en) | 2018-05-18 | 2018-05-18 | A kind of durable type electric shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208529161U true CN208529161U (en) | 2019-02-22 |
Family
ID=65394540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820744476.XU Active CN208529161U (en) | 2018-05-18 | 2018-05-18 | A kind of durable type electric shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208529161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406858A (en) * | 2018-05-18 | 2018-08-17 | 苏州速菲特农林工具有限公司 | A kind of durable type electric shear |
| CN111759376A (en) * | 2020-07-08 | 2020-10-13 | 中国人民解放军北部战区总医院 | Neurosurgery is with neural drag hook |
-
2018
- 2018-05-18 CN CN201820744476.XU patent/CN208529161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406858A (en) * | 2018-05-18 | 2018-08-17 | 苏州速菲特农林工具有限公司 | A kind of durable type electric shear |
| CN111759376A (en) * | 2020-07-08 | 2020-10-13 | 中国人民解放军北部战区总医院 | Neurosurgery is with neural drag hook |
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| GR01 | Patent grant |