CN208513700U - A kind of electric drill tooth case convenient for function switch - Google Patents
A kind of electric drill tooth case convenient for function switch Download PDFInfo
- Publication number
- CN208513700U CN208513700U CN201820152212.5U CN201820152212U CN208513700U CN 208513700 U CN208513700 U CN 208513700U CN 201820152212 U CN201820152212 U CN 201820152212U CN 208513700 U CN208513700 U CN 208513700U
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- electric drill
- front housing
- trip
- piece
- ring
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Abstract
The utility model is a kind of electric drill tooth case convenient for function switch, including front housing, and the planetary gear train below front housing is set, and the switching circle above front housing is set, adjusting ring and retainer ring, the retainer ring is connected with front housing, the center of retainer ring is provided with export axle assembly, the front housing is internally provided with lower ratchet and pin, the export axle assembly includes shaft, pull out baffle and upper ratchet, the adjusting ring is internally provided with the fillet of screw, and the fillet of screw is internally provided with spring, switching circle is internally provided with support chip, limit film and the piece that trip stops, the planetary gear train includes planet carrier, planetary gear and ring gear, the spring is between the fillet of screw and support chip, the pin, which is located at, to trip stop between piece and ring gear；The electric drill tooth case has the characteristics that easy to use, function is reliable, and electric drill shelves, torsion are reasonably adjusted shelves and mutually separated with the gear switch mode for impacting shelves, carries out gear switch convenient for user, avoids trip stop problem when electric drill gear switch.
Description
Technical field
The utility model relates to a kind of electric drill tooth cases convenient for function switch.
Background technique
The pattern switching of existing electric drill is integrated with torsion adjusting ring, needs when needing to switch to electric drill gear or impact gear
By the whole circle rotation of torsion adjusting ring, switching is inconvenient, and electric drill gear-box torsion output at present is the side that ring gear is pushed down with spring
Formula exports to control torsion, while the control of amount of spring compression is realized in a manner of a screw thread width, the defect of such mode are as follows:
Screw gear, electric drill gear, impact gear are all to use screw thread width, and impact gear is last gear, and it is gear second from the bottom that electric drill, which is kept off, is kept off by electric drill
It carries out needing certain gap when screwing operation when being screwed into impact gear, easily leads to the problem of trip stopping, but electric drill gear is to need electric drill
Acrotorque output, cannot trip stop, and to solve this problem, three kinds of function controls are individually concentrated on a switching circle, and adjust
Pitch circle is then served only for the torsion output of control screw gear.
Utility model content
The utility model mainly solves technical problem present in the prior art, to provide a kind of easy to use, function
Reliably, it effectively solves the problems, such as to trip stop, and gear function there are three types of tools, and the electric drill tooth case convenient for function switch of easy switching.
The utility model is a kind of electric drill tooth case convenient for function switch, including front housing, and the output positioned at front housing center
Axle assembly, and the switching circle above front housing is set, and the adjusting ring above switching circle is arranged in, the front housing is internally provided with
Lower ratchet, ring gear and pin, the pin are used to limit the freedom degree that circumferentially rotates of ring gear, the internal setting of switching circle
There is limit film and the piece that trip stops, the limit film is connected with switching circle, and limited post, the center of limit film are connected with below limit film
It is provided with limiting slot, between limit film and pin, the center for the piece that trip stops is provided with to match the piece that trip stops with limited post
Hole of trip stopping, the adjusting ring is internally connected with the spring for controlling piece axial freedom of trip stopping, the export axle assembly packet
Include shaft, and be connected to shaft center pull out baffle and upper ratchet, described pull out is connected with and limiting slot phase below baffle
The baffle foot matched.
Preferably, the inside of the switching circle is additionally provided with support chip, the support chip is located at the top of limit film, and
The center of support chip is provided with support slot, and blade foot is connected with below support chip, and the blade foot is in contact with the piece that trip stops, branch
The blade foot of blade is wrapped in the outside of limit film and is in contact with the piece that trip stops, and the trip stop axial freedom of piece is propped up
Blade is controlled.
Preferably, the internal whorl of the adjusting ring is connected with the fillet of screw, the center setting of the fillet of screw is fluted,
The spring is equipped with anti-thread inside adjusting ring between the fillet of screw and support chip, the anti-thread of adjusting ring and the fillet of screw
External screw teeth matches, and adjusting ring and the fillet of screw is allowed to form screw thread pair, thus to spring and to the support chip touched with spring interface into
The control of row pressure, the control by support chip to trip stop piece and the pin progress freedom degree below the piece that trip stops.
Preferably, the outer surface of the front housing is provided with shell limit hole and shell limits slot, it is connected with shell column sleeve above front housing,
The outer surface of the shell column sleeve is connected with axial ribs, and shell column sleeve is through trip stop piece, limit film, support chip and the fillet of screw, described
Pin is located in shell limit hole, so that pin, which is limited in shell limit hole, can only carry out axial activity, effectively avoids disengaging, the mistake of pin
Position problem, the lower ratchet are connected in shell column sleeve, allow shaft to have impact by cooperating between lower ratchet and upper ratchet
Effect, the axial ribs match with groove, support slot, enable the axial ribs of shell column sleeve outer surface by with groove, branch
The cooperation of support slot avoids the fillet of screw and support chip from circle rotation movement occur, so that the rotation of adjusting ring be allowed to be able to drive the fillet of screw
It moves axially to scale spring.
Preferably, the center of the piece that trip stops is additionally provided with the step that trip stops, the step that trip stops is matched with shell limit slot,
The piece that trip stops is allowed to obtain being limited so that the step that trip stops is located in shell limit slot, avoid that circle rotation movement occurs in the piece that trip stops can
Energy.
Preferably, the inside of the front housing is additionally provided with planetary gear train, the planetary gear train includes planet carrier, and setting
Planetary gear on planet carrier, the planetary gear is provided with two or more, and planetary gear half couples including being cooperatively connected
Gear ring center, the planet carrier has single-degree-of-freedom, and cooperates between planet carrier and shaft, so that the rotation of planetary gear train
Shaft can be driven, and control the size of the conveyed torsion of planet carrier by ring gear.
Preferably, the ring gear upper surface is provided with more than two boss, and boss is evenly distributed on ring gear
Upper surface, the rotation status of ring gear can be controlled by pin and boss cooperation, i.e. pressure of the pin to ring gear
Power is bigger, and pin cannot more be slipped over from ring gear surface.
Preferably, being additionally provided with retainer ring above the adjusting ring, the retainer ring is connected with the shell column sleeve in front housing,
Retainer ring is enabled to carry out covering sealing to the upper surface of adjusting ring, and by the connection of retainer ring and front housing to adjusting ring and switching
Circle is fixed.
Preferably, the shaft is located at the center of retainer ring, and retainer ring is run through in shaft one end, and the shaft other end is located at front housing
It is interior and matched with planet carrier, it is rotated so that the rotation of planet carrier is able to drive shaft.
Preferably, the outer surface of the switching circle is provided with label, the pattern different marked as three, so that three
The different pattern pair of the kind gear mode different from three kinds, convenient for users to selecting suitable gear according to different pattern.
The beneficial effects of the utility model are: it is easy to use, reliable that the electric drill tooth case of function switch should be convenient for have the function of,
It effectively solves the problems, such as to trip stop, and there are three types of gear functions for tool, and the characteristics of easy switching；Due to pin can to ring gear from
Limited by degree, the limited post connected below the limit film be located in the piece that trip stops trip stop hole when, pin has one freely
Degree, and freedom degree control is carried out to the piece that trip stops by the spring inside adjusting ring, to allow user by the control to pin
Control is carried out to the freedom degree of ring gear transfer accounts the adjusting of torsion, convenient for user by the control and regulation to ring gear with
Realize that planetary gear train controls the adjusting of shaft torsion, this is screw gear；The limited post connected below the limit film with trip stop
In piece trip stop hole sequence when, the limited post below limit film limits the piece that trip stops, and the axial direction for the piece that avoids trip stopping is living
It is dynamic, it also allows the freedom degree of pin and ring gear to disappear, planetary gear train is allowed directly to be driven to shaft and torsion can not be carried out
It adjusts, and only when the baffle foot for pulling out baffle is located in the limiting slot of limit film, the upper ratchet of export axle assembly could be under
Ratchet is cooperated, this is impact gear, when the limiting slot sequence of the baffle foot and limit film that pull out baffle, can only carry out electric drill
Operation, this is electric drill gear；Not only switching circle keeps off three gears with screw and is separately controlled to electric drill gear, impact gear, also passes through
The torsion that adjusting ring carries out screw gear, which exports, to be adjusted, and improving user's shaft when electric drill is kept off or impacts gear has maximum turn round
Square effectively avoids the problem of trip stopping that user is likely to occur in shift process, is user-friendly for operating with,
Effectively raise the user's convenience and operational safety of user.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall structure diagram of the electric drill tooth case convenient for function switch of the utility model；
Fig. 2 is a kind of overall structure of the explosion figure of the electric drill tooth case convenient for function switch of the utility model；
Fig. 3 is a kind of explosive view of the electric drill tooth case primary structure convenient for function switch of the utility model；
Fig. 4 is a kind of overall structure half sectional view of the electric drill tooth case convenient for function switch of the utility model；
Fig. 5 is a kind of overall structure half sectional view of the electric drill tooth case convenient for function switch of the utility model；
Fig. 6 is a kind of overall structure cross-sectional view of the electric drill tooth case convenient for function switch of the utility model.
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.
A kind of electric drill tooth case convenient for function switch as shown in Figures 1 to 6, including front housing 8, and it is located at 8 center of front housing
Export axle assembly 1, and the switching circle 6 of the top of front housing 8 is set, and the adjusting ring 3 of 6 top of switching circle is arranged in, before described
Shell 8 is internally provided with lower ratchet 131, ring gear 92 and pin 7, and the pin 7 is used to limit circumferentially rotating certainly for ring gear 92
By spending, the switching circle 6 is internally provided with limit film 61 and the piece 62 that trip stops, and the limit film 61 is connected with switching circle 6, limits
The lower section of piece 61 is connected with limited post 612, and the center of limit film 61 is provided with limiting slot 611, and the piece 62 that trip stops is located at limit
Between piece 61 and pin 7, the center for the piece 62 that trip stops is provided with the hole 622 of trip stopping to match with limited post 612, the adjusting ring 3
It is internally connected with the spring 41 for controlling 62 axial freedom of piece of trip stopping, the export axle assembly 1 includes shaft 11, and even
It connects and pulls out baffle 12 and upper ratchet 13 in the center of shaft 11, the lower section for pulling out baffle 12 is connected with and 611 phase of limiting slot
The baffle foot 121 matched.
The inside of the switching circle 6 is additionally provided with support chip 5, and the support chip 5 is located at the top of limit film 61, and supports
The center of piece 5 is provided with support slot 51, and the lower section of support chip 5 is connected with blade foot 52, the blade foot 52 and 62 phase of piece of trip stopping
Contact, the blade foot 52 of support chip 5 is wrapped in the outside of limit film 61 and is in contact with the piece 62 that trip stops, so that the axis for the piece 62 that trip stops
Piece 5 is supported to freedom degree to control.
The internal whorl of the adjusting ring 3 is connected with the fillet of screw 4, the center setting fluted 21 of the fillet of screw 4, institute
Spring 41 is stated between the fillet of screw 4 and support chip 5, anti-thread, the anti-thread and screw thread of adjusting ring 3 are equipped with inside adjusting ring 3
The external screw teeth of circle 4 matches, and allows adjusting ring 3 and the fillet of screw 4 to form screw thread pair, to be in contact to spring 41 and to spring 41
Support chip 5 carry out the control of pressure, by support chip 5 to trip stop piece 62 and pin 7 positioned at the lower section of piece 62 of trip stopping carry out from
By the control spent.
The outer surface of the front housing 8 is provided with shell limit hole 84 and shell limits slot 83, and the top of front housing 8 is connected with shell column sleeve 81,
The outer surface of the shell column sleeve 81 is connected with axial ribs 82, and shell column sleeve 81 through the piece 62 that trip stops, limit film 61, support chip 5 with
The fillet of screw 4, the pin 7 are located in shell limit hole 84, so that pin 7, which is limited in shell limit hole 84, can only carry out axial activity, have
Effect avoids disengaging, the problem of misalignment of pin 7, and the lower ratchet 131 is connected in shell column sleeve 81, passes through lower ratchet 131 and upper spine
Cooperating between tooth 13 allows shaft 11 to have impact effect, and the axial ribs 82 match with groove 21, support slot 51, so that
The axial ribs 82 of 81 outer surface of shell column sleeve can avoid the fillet of screw 4 from going out with support chip 5 by the cooperation with groove 21, support slot 51
Existing circle rotation movement, moves axially so that the rotation of adjusting ring 3 be allowed to be able to drive the fillet of screw 4 to control spring 41
Scaling.
The center for trip stopping piece 62 is additionally provided with the step 621 that trip stops, trip stop step 621 and the shell limit matching of slot 83
It closes, limits in slot 83 piece 62 that trip stops is allowed to be limited so that the step 621 that trip stops is located at shell, avoid the piece 62 that trip stops and circle rotation occur
The possibility of movement.
The inside of the front housing 8 is additionally provided with planetary gear train (not marking), and the planetary gear train includes planet carrier 9, and is set
The planetary gear 91 on planet carrier 9 is set, the planetary gear 91 is provided with two or more, and the coupling cooperation of planetary gear 91 half
It is connected to 92 center of ring gear, the planet carrier 91 has single-degree-of-freedom, and cooperates between planet carrier 91 and shaft 11, makes
The rotation for obtaining planetary gear train can be driven shaft 11, and the conveyed torsion of planet carrier 9 is controlled by ring gear 92
Size.
92 upper surface of ring gear is provided with more than two boss 921, and boss 921 is evenly distributed on ring gear 92
Upper surface, by pin 7 and boss 921 cooperation the rotation status of ring gear 92 is controlled, i.e., pin 7 is to ring gear 92
Pressure it is bigger, pin 7 more cannot be slipped over from 92 surface of ring gear.
The top of the adjusting ring 3 is additionally provided with retainer ring 2, and the retainer ring 2 is connected with the shell column sleeve 81 in front housing 8, makes
Retainer ring 2 is fixed by screws in the top of shell column sleeve 81, allow retainer ring 2 can the upper surface to adjusting ring 3 cover it is close
Envelope, and adjusting ring 2 and switching circle 6 are fixed by retainer ring 2 and the connection of front housing 8.
The shaft 11 is located at the center of retainer ring 2, and retainer ring 2 is run through in 11 one end of shaft, and 11 other end of shaft is located at front housing 8
It is interior and matched with planet carrier 9, so that the rotation of planet carrier 9 is able to drive shaft 11 and is rotated.
The outer surface of the switching circle 6 is provided with label 61, and the label 61 is three different patterns so that three kinds not
The same pattern pair gear mode different from three kinds, convenient for users to selecting suitable gear according to different pattern.
When user, which needs the electric drill tooth case by this convenient for function switch to adjust to screw, to be kept off, user will switch first
Circle 6 is switched in screw gear, allows 6 drive limit film 61 of switching circle to be rotated, so that the limited post in limit film 61 612
In trip stopping in hole 622 for the gasket 62 that trip stops, allows and trip stop piece 62 with an axial freedom, and axial ribs 82 then pass through support slot 51
The fillet of screw 4 and support chip 5 are allowed so that the axial ribs 82 of shell column sleeve 81 limit support chip 5 and the fillet of screw 4 with groove 21
It can only move axially and be not available for circular motion, while the blade foot 52 of support chip 5 is pressed in and trip stops on piece 62, spring 41 1
On support chip 5, the other end is against inside the fillet of screw 4 side pressure, and adjusting ring 3 and the fillet of screw 4 form screw thread pair, so that adjusting ring 3
The fillet of screw 4 is driven to move in a straight line and scale spring 41 simultaneously in rotary course, so that the elastic force of spring 41 be allowed to pass through support
Piece 5 is transmitted to the piece 62 that trip stops, and is controlled by trip stopping piece 62 axial freedom of pin 7, by pin 7 in limiting
The freedom degree of gear ring 92,41 pressure of spring is bigger, allows pin 7 more close to the upper surface with ring gear 92, so that pin 7 more cannot
It is slipped over from the boss 921 on 92 surface of ring gear, thus realize that planetary gear train is driven the control of torsion output size to shaft 11, this
For screw gear.
When user, which needs the electric drill tooth case by this convenient for function switch to adjust to electric drill, to be kept off, user will switch first
Circle 3 is switched in electric drill gear, allows the limited post 612 of limit film 61 to be staggered with the hole 622 of trip stopping in the piece 62 that trip stops, trip stop piece 62
Axial freedom disappear, and the disappearance for 62 freedom degree of piece of trip stopping also allows and pin 7 and couples assembled state ring gear with pin 7 half
92 freedom degree disappears, and allows 92 stop of ring gear, and is limited because the baffle foot 121 for pulling out baffle 12 is limited piece 61, allows defeated
Axle assembly 1 can not be axially moved out, can not form impact, and planetary gear train can only be driven to shaft 11, this is electricity
Bore gear.
When user, which needs the electric drill tooth case by this convenient for function switch to adjust to electric drill, to be kept off, user will switch first
Circle 3 is switched in electric drill gear, allows the limited post 612 of limit film 61 to be staggered with the hole 622 of trip stopping in the piece 62 that trip stops, trip stop piece 62
Axial freedom disappear, and the disappearance for 62 freedom degree of piece of trip stopping also allows and pin 7 and couples assembled state ring gear with pin 7 half
92 freedom degree disappears, and allows 92 stop of ring gear, while the baffle foot 121 because pulling out baffle 12 is located at the limiting slot of limit film 611
Interior, limit film 61 is not being limited to pulling out baffle 12, and export axle assembly 1 can be axially moved, output pressure when work
Compressible shaft 11 allows ratchet 13 to match with lower ratchet 131, to realize impact, this is impact gear.
The beneficial effects of the utility model are: it is easy to use, reliable that the electric drill tooth case of function switch should be convenient for have the function of,
It effectively solves the problems, such as to trip stop, and there are three types of gear functions for tool, and the characteristics of easy switching；Due to pin can to ring gear from
Limited by degree, the limited post connected below the limit film be located in the piece that trip stops trip stop hole when, pin has one freely
Degree, and freedom degree control is carried out to the piece that trip stops by the spring inside adjusting ring, to allow user by the control to pin
Control is carried out to the freedom degree of ring gear transfer accounts the adjusting of torsion, convenient for user by the control and regulation to ring gear with
Realize that planetary gear train controls the adjusting of shaft torsion, this is screw gear；The limited post connected below the limit film with trip stop
In piece trip stop hole sequence when, the limited post below limit film limits the piece that trip stops, and the axial direction for the piece that avoids trip stopping is living
It is dynamic, it also allows the freedom degree of pin and ring gear to disappear, planetary gear train is allowed directly to be driven to shaft and torsion can not be carried out
It adjusts, and only when the baffle foot for pulling out baffle is located in the limiting slot of limit film, the upper ratchet of export axle assembly could be under
Ratchet is cooperated, this is impact gear, when the limiting slot sequence of the baffle foot and limit film that pull out baffle, can only carry out electric drill
Operation, this is electric drill gear；Not only switching circle keeps off three gears with screw and is separately controlled to electric drill gear, impact gear, also passes through
The torsion that adjusting ring carries out screw gear, which exports, to be adjusted, and improving user's shaft when electric drill is kept off or impacts gear has maximum turn round
Square effectively avoids the problem of trip stopping that user is likely to occur in shift process, is user-friendly for operating with,
Effectively raise the user's convenience and operational safety of user.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of electric drill tooth case convenient for function switch, including front housing, and the export axle assembly positioned at front housing center, and setting exist
Switching circle above front housing, and the adjusting ring above switching circle is set, it is characterised in that: the front housing is internally provided with lower spine
Tooth, ring gear and pin, the pin are used to limit the circumferential free degree of ring gear, and the switching circle is internally provided with limit film
With the piece that trip stops, the limit film is connected with switching circle, and limited post is connected with below limit film, and the center setting of limit film is limited
Position slot, for the piece that trip stops between limit film and pin, the center for the piece that trip stops is provided with the hole of trip stopping to match with limited post,
The adjusting ring is internally connected with the spring for controlling piece axial freedom of trip stopping, and the export axle assembly includes shaft, and
Be connected to the center of shaft pulls out baffle and upper ratchet, described to pull out the baffle for being connected with below baffle and matching with limiting slot
Foot.
2. a kind of electric drill tooth case convenient for function switch according to claim 1, it is characterised in that: the switching is enclosed interior
Portion is additionally provided with support chip, and the support chip is located at the top of limit film, and the center of support chip is provided with support slot, support chip
Lower section be connected with blade foot, the blade foot is in contact with the piece that trip stops.
3. a kind of electric drill tooth case convenient for function switch according to claim 2, it is characterised in that: the adjusting ring it is interior
Portion is threaded with the fillet of screw, and the center setting of the fillet of screw is fluted, and the spring is between the fillet of screw and support chip.
4. a kind of electric drill tooth case convenient for function switch according to claim 3, it is characterised in that: the appearance of the front housing
Face is provided with shell limit hole and shell limits slot, is connected with shell column sleeve above front housing, and the outer surface of the shell column sleeve is connected with axial ribs,
And shell column sleeve, through trip stop piece, limit film, support chip and the fillet of screw, the pin is located in shell limit hole, the lower ratchet connection
In shell column sleeve, the axial ribs match with groove, support slot.
5. a kind of electric drill tooth case convenient for function switch according to claim 4, it is characterised in that: in the piece that trip stops
Centre is additionally provided with the step that trip stops, and the step that trip stops is matched with shell limit slot.
6. a kind of electric drill tooth case convenient for function switch described in -5 any one according to claim 1, it is characterised in that: described
The inside of front housing is additionally provided with planetary gear train, and the planetary gear train includes planet carrier, and the planetary gear being arranged on planet carrier,
The planetary gear is provided with two or more, and planetary gear half is coupled and is cooperatively connected in ring gear center.
7. a kind of electric drill tooth case convenient for function switch according to claim 6, it is characterised in that: table on the ring gear
Face is provided with more than two boss, and boss is evenly distributed on the upper surface of ring gear.
8. a kind of electric drill tooth case convenient for function switch according to claim 6, it is characterised in that: the adjusting ring it is upper
Side is additionally provided with retainer ring, and the retainer ring is connected with the shell column sleeve in front housing.
9. a kind of electric drill tooth case convenient for function switch according to claim 8, it is characterised in that: the shaft is located at card
The center of circle, and retainer ring is run through in shaft one end, the shaft other end is located in front housing and matches with planet carrier.
10. a kind of electric drill tooth case convenient for function switch according to claim 1, it is characterised in that: the switching circle
Outer surface is additionally provided with label, the pattern different marked as three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152212.5U CN208513700U (en) | 2018-01-30 | 2018-01-30 | A kind of electric drill tooth case convenient for function switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152212.5U CN208513700U (en) | 2018-01-30 | 2018-01-30 | A kind of electric drill tooth case convenient for function switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208513700U true CN208513700U (en) | 2019-02-19 |
Family
ID=65328073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820152212.5U Active CN208513700U (en) | 2018-01-30 | 2018-01-30 | A kind of electric drill tooth case convenient for function switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208513700U (en) |
-
2018
- 2018-01-30 CN CN201820152212.5U patent/CN208513700U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Kind of Electric Drill Gear Box for Convenient Function Switching Effective date of registration: 20230711 Granted publication date: 20190219 Pledgee: Zhejiang Lanxi Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG XINHE POWDER METALLURGY PRODUCTS CO.,LTD. Registration number: Y2023980048006 |