CN207577435U - A kind of main shaft self-locking mechanism and the drill kind tool that the mechanism is configured - Google Patents
A kind of main shaft self-locking mechanism and the drill kind tool that the mechanism is configured Download PDFInfo
- Publication number
- CN207577435U CN207577435U CN201721188942.2U CN201721188942U CN207577435U CN 207577435 U CN207577435 U CN 207577435U CN 201721188942 U CN201721188942 U CN 201721188942U CN 207577435 U CN207577435 U CN 207577435U
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- closing piece
- planetary plate
- boss
- gear
- box
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Abstract
This application discloses a kind of main shaft self-locking mechanism and the drill kind tool of the mechanism is configured, wherein main shaft self-locking mechanism includes gear-box, is provided in the gear-box：Planetary plate, the coaxially arranged stopper ring with the planetary plate, the closing piece being co-axially located in stopper ring, the self-lock pin between closing piece, planetary plate and stopper ring；Closing piece is axially displaceably assemblied in the gear-box, and the elastic element for applying the axial elastic force towards the planetary plate direction to closing piece is installed in gear-box, the planetary plate is towards being fixedly installed public boss on the end face of that side of closing piece, and the closing piece is towards being fixedly installed on the end face of that side of planetary plate and the matched female boss of the male boss.The application can reduce the brake noise of drill kind tool, improve man-machine use feeling, improve the taste of product.
Description
Technical field
This application involves drill kind tool fields, and in particular to a kind of main shaft self-locking mechanism and the brill class work that the mechanism is configured
Tool.
Background technology
A kind of drill kind tool with main shaft self-locking mechanism of Publication No. US6702090 U.S. Patent Publications, in tool
When being reduced to main shaft self-locking brake from normal use revolution, principle is：Due to using electric brake, motor side, that is, planetary plate side
Rotating speed reduces speed and is more than output shaft side, after α ° of output shaft lock block opposite lock block relative rotation (α ° is rotatable engagement gap), output
Axis has the tendency that closing piece is driven to continue to relatively rotate with buffering spring sheet, but the claw of buffering spring sheet is embedded in planetary plate at this time
In groove, the trend of relative rotation slows down when by the resistance of claw, this sluggish trend will be such that output shaft side rotating speed declines simultaneously
Delay makes self-lock pin stuck, and the climbing of claw forced compression is slided in another groove of planetary plate, and self-lock pin is by closing piece and only
The collective effect of moving-coil and realize brake.This structure successfully it is crucial claw when by external force in two grooves of planetary plate
It is mobile, reduce self-lock pin be stuck realization brake when, the relative rotation speed of closing piece and stopper ring.
In addition to this drill kind tool disclosed in above-mentioned patent, the brake scheme of existing drill kind tool is in use
All have the following problems：When i.e. machine operation stops main shaft self-locking realization brake function, since main shaft self-locking does not have buffer structure,
Three closing piece, self-lock pin, stopper ring part relative rotation speeds are larger, and self-lock pin moment is stuck with stopper ring by closing piece, leads to self-locking
Pin clashes and sends out the abnormal sound of " click, click " with stopper ring, closing piece.This abnormal sound seriously affects the use feeling of operator
By reduction product taste.
Invention content
The purpose of the application is：In view of the above-mentioned problems, the application proposes a kind of main shaft self-locking mechanism of new structure, simultaneously also
It proposes a kind of drill kind tool for being configured with this main shaft self-locking mechanism, effectively to reduce the brake noise of drill kind tool, improves
Man-machine use feeling improves the taste of product.
The technical solution of the application is：A kind of main shaft self-locking mechanism including gear-box, is provided in the gear-box：
Planetary plate,
It is coaxially arranged with the planetary plate and with the fixed stopper ring of the gear-box,
The closing piece being co-axially located in the stopper ring, and
Self-lock pin between the closing piece, planetary plate and stopper ring；
The closing piece is axially displaceably assemblied in the gear-box, and is equipped in the gear-box to the closing piece
Apply the elastic element of the axial elastic force towards the planetary plate direction, the planetary plate is towards the end face of that side of closing piece
On be fixedly installed public boss, the closing piece is towards being fixedly installed on the end face of that side of planetary plate and the public boss
Matched mother's boss.
This main shaft self-locking mechanism of the application based on the above technical solution, further includes following preferred embodiment：
There are three the male boss and female boss are respectively set, and three male boss and three mothers
Boss is distributed uniformly and circumferentially centered on the central axes of the planetary plate.
The spacing shim being fixed in the gear-box is provided in that side of the planetary plate far from the closing piece.
The inclined-plane for the cooperation that matches is formed on the male boss and female boss.
The elastic element is a spring washer being folded in by elasticity between the closing piece and the gear-box.
Protection gasket is folded between the spring washer and the closing piece.
A kind of drill kind tool, the gear-box including tool outer casing and in the tool outer casing are set in the gear-box
Have：
The planetary plate being connect by sun gear and planetary gear with the motor drive,
The coaxially arranged stopper ring with the planetary plate,
The closing piece being co-axially located in the stopper ring,
Self-lock pin between the closing piece, planetary plate and stopper ring and
It is coaxially connected with the closing piece and penetrate the output shaft in the planetary plate；
The closing piece is axially displaceably assemblied in the gear-box, and is equipped in the gear-box to the closing piece
Apply the elastic element of the axial elastic force towards the planetary plate direction, the planetary plate is towards the end face of that side of closing piece
On be fixedly installed public boss, the closing piece is towards being fixedly installed on the end face of that side of planetary plate and the public boss
Matched mother's boss.
This drill kind tool of the application based on the above technical solution, further includes following preferred embodiment：
There are three the male boss and female boss are respectively set, and three male boss and three mothers
Boss is distributed uniformly and circumferentially centered on the central axes of the planetary plate.
The elastic element is the spring washer being folded in by elasticity between the closing piece and the gear-box.
The inclined-plane for the cooperation that matches is formed on the male boss and female boss.
The application has the advantages that：The application is this can effectively to be reduced for the main shaft self-locking mechanism of drill kind tool
The brake noise of tool, improves man-machine use feeling, improves the taste of product.
Description of the drawings
The application is described further in the following with reference to the drawings and specific embodiments：
Fig. 1 is the structure diagram of main shaft self-locking mechanism in the embodiment of the present application；
Fig. 2 is the structure diagram of closing piece in the embodiment of the present application；
Fig. 3 is in cross section structure schematic diagram during non-self-lock-ing state for main shaft self-locking mechanism in the embodiment of the present application；
Fig. 4 is in cross section structure schematic diagram during self-locking state for main shaft self-locking mechanism in the embodiment of the present application；
Wherein：1- planetary plates, 1a- public affairs boss, 2- stopper rings, 3- closing pieces, 4- self-lock pins, 5- output shafts, 6- protection gaskets,
Mother's 3a- boss, 7- gear-boxes, 8- elastic elements, 9- spacing shims, 10- planetary gears.
Specific embodiment
Fig. 1 to Fig. 4 shows a concrete application example of this main shaft self-locking mechanism of the application in drill kind tool, with biography
Drill kind tool (such as Publication No. US6702090 United States Patent (USP)s) of uniting is identical, which also includes tool outer casing (in figure not
Draw), gear-box 7 is provided in tool outer casing and the motor of power is provided, the motor shaft of the motor by sun gear and
Planetary gear 10 connects a planetary plate 1, and planetary plate 1 is rotatably provided in gear-box 7, and stopper ring 2 is relatively fixed with tool outer casing,
And stopper ring 2 and planetary plate 1 are coaxially arranged, and closing piece 3 is provided in stopper ring 2,3 coaxially connected output shaft 5 of closing piece.Tool
Body, the cross section of output shaft 5 are non-circular shape, and the middle part of closing piece 3 offers with output shaft section shape and size identical
Non-circular hole, output shaft 5 are threaded through in the non-circular hole at 3 middle part of closing piece, are relatively fixed both so as to make in circumferencial direction.And
And the middle part of planetary plate 1 is also opened up there are one the non-circular hole than 5 sectional dimension bigger of output shaft, output shaft 5 penetrates the planetary plate
In 1 non-circular hole.Six self-lock pins 4 are provided between aforementioned closing piece 3, stopper ring 2 and planetary plate 1.Self-lock pin 4, stops closing piece 3
Between moving-coil 2, planetary plate 1 four and non-fully immovable fitting, but can relatively move in a certain range.
Above-mentioned stopper ring 2, closing piece 3, planetary plate 1 and self-lock pin 4 are arranged in gear-box 7, wherein stopper ring 2 and gear
7 phase of case is fixed.
The key improvements of the present embodiment are：Closing piece 3 is axially displaceably assemblied in gear-box 7, i.e. closing piece 3 and gear
Case 7 is being not what is be completely fixed.And installation has elastic component 8 in gear-box 7, which applies closing piece 3 towards row
The axial elastic force in 6 direction of astrolabe.There are three public boss 1a, closing pieces towards fixed setting on the end face of 3 that side of closing piece for planetary plate 1
3 towards being fixedly installed three mother boss 3as matched with male boss 1a on the end face of 1 that side of planetary plate.And three
A male boss 1a and three mother boss 3a are distributed uniformly and circumferentially centered on the central axes of planetary plate 1.
It is using planetary plate as reference unless otherwise instructed in the application described " axial direction ".
With reference to shown in Fig. 3, during normal work, motor operation and by sun gear and planetary gear drive planetary plate 1 around
Own axis, three axially extending protrusions (being not marked in figure) on planetary plate 1 push wherein three self-lock pins 4 respectively
It is mobile counterclockwise, the planomural face for the non-circular hole hole wall in the middle part of it being made to be resisted against output shaft 5 when planetary plate 1 rotates a certain angle
After on (such as Fig. 1), directly output shaft 5 will be driven to rotate by planetary plate 1, latch segment 3 follows output shaft 5 to rotate together.This
When, planetary plate 1 and latch segment 3 are opposing stationary, and six self-lock pins 4 are in the wide space between closing piece 3 and stopper ring 2,
Closing piece 3 and stopper ring 2 will not lock, so closing piece 3 can be constantly in rotary state under the drive of output shaft 5.
With reference to shown in Fig. 4, during the tool spindle self-locking is had an effect, due to motor side (i.e. planetary plate side)
It is very fast that electric brake so that the rotating speed of planetary plate 1 declines, and the rotary inertia of 5 side of output shaft (i.e. closing piece side) is larger, so row
There is the trend (because output shaft 5 can drive closing piece 3 to rotate synchronously) relatively rotated between astrolabe 1 and closing piece 3, at this time planetary plate 1
It is larger with the speed discrepancy of closing piece 3.And in the present embodiment, since the male boss 1a on planetary plate 1 and mother boss 3a on closing piece 3 are deposited
The two can hindered to relatively rotate, reducing the two speed discrepancy.When planetary plate 1 and closing piece 3 relatively rotate, public boss 1a
It is mutually contradicted with female boss 3a, so that male boss 1a applies the axial thrust far from planetary plate direction to female boss 3a,
Under the action of the axial thrust, closing piece 3 generates the axial movement far from 1 direction of planetary plate and compression elastic element 8.Female boss 3a
Public boss 1a is got over, is mutually hindered by male and female boss, reduces the relative rotation speed of planetary plate 1 and closing piece 3, is i.e. closing piece 3 is opposite
The rotating speed of trig loop 2 is also effectively reduced, and the noise source for generating brake noise " click click " sound be closing piece 3, self-lock pin 4,
The strike note of 3 three parts of stopper ring, so brake noise can effectively be reduced by reducing the speed discrepancy of above-mentioned three part, by upper
It states reasoning and can be seen that effect by male boss 1a and female boss 3a, hence it is evident that reduce closing piece, self-lock pin, stopper ring three zero
The relative rotation speed of part.After female boss 3a of closing piece crosses the male boss 1a on planetary plate, closing piece 3 is (in the inertia belt of output shaft
Under dynamic) rotational angle of opposite planetary plate 1 is θ °, closing piece 3 is θ ° with respect to the rotational angle of planetary plate 1, and the rotation of closing piece 3 can dial
It moves corresponding three self-locking footwear 4 to be moved in the small space between closing piece 3 and stopper ring 2, so that these three self-lock pins 4
It is stuck between stopper ring 2 and closing piece 3, closing piece 3 and stopper ring 4 are opposing stationary, and output shaft 5 stops operating, and main shaft occurs (i.e.
Output shaft 5) self-locking.
Above-mentioned operation principle can also refer to Publication No. US6702090 United States Patent (USP)s.
In order to ensure in above-mentioned auto-lock process, female boss 3a can be smoothly across male boss 1a, the public affairs in the present embodiment
Form the inclined-plane for the cooperation that matches on boss 1a and female boss 3a, the inclined-plane can be flat incline plane or curve slope or
Spheric inclined-plane.
Planetary plate 1 generates axial movement during the work time in order to prevent, and the present embodiment is in planetary plate 1 far from closing piece 3
That side is provided with a spacing shim 9, which is fixed in gear-box 7.
Above-mentioned elastic element 8 can be various structure types, such as spring, rubber etc..Specifically in the present embodiment, the bullet
Property element 8 be one spring washer between closing piece 3 and gear-box 7 be folded in by elasticity.
Spring washer is in direct contact with closing piece 3 in order to prevent, and scratches the structure of closing piece 3, the present embodiment closing piece 3 and spring washer it
Between be folded with one piece of gasket 6.
In the present embodiment, public boss 1a is integrally formed on planetary plate 1, i.e., the two is structure as a whole.Certainly, we also may be used
Public boss 1a and planetary plate 1 are arranged to Split connection structure, such as：Public boss 1a is arranged to consolidate with 1 screw thread of planetary plate
Fixed screw.
In the present embodiment, female boss 3a is integrally formed on closing piece 3, i.e., the two is structure as a whole.Certainly, we can also
Female boss 3a and closing piece 3 are arranged to Split connection structure, such as：Female boss 3a is arranged to the spiral shell being screwed with closing piece 3
Nail.
It should be noted that the quantity of above-mentioned male boss 1a and female boss 3a are not limited to three, can also be arranged to
One, two or four etc..But, in order to ensure reducing effect of the male and female boss to brake noise, it is generally advisable to set
More than two male boss 1a and female boss 3a.
Certainly, above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to make people much of that
Solution present context is simultaneously implemented according to this, and the protection domain of the application can not be limited with this.It is all according to the application major technique
The equivalent transformation or modification that the Spirit Essence of scheme is done, should all cover within the protection domain of the application.
Claims (10)
1. a kind of main shaft self-locking mechanism including gear-box (7), is provided in the gear-box (7)：
Planetary plate (1),
The stopper ring (2) coaxially arranged with the planetary plate (1),
The closing piece (3) being co-axially located in the stopper ring (2), and
Several self-lock pins (4) between the closing piece (3), planetary plate (1) and stopper ring (2)；
It is characterized in that：
The closing piece (3) is axially displaceably assemblied in the gear-box (7), and is equipped in the gear-box (7) to institute
The elastic element (8) for the axial elastic force that closing piece (3) applies towards the planetary plate (1) direction is stated, the planetary plate (1) is towards institute
State and public boss (1a) be fixedly installed on the end face of closing piece (3) that side, the closing piece (3) towards the planetary plate (1) that
It is fixedly installed on the end face of side and the matched female boss (3a) of the male boss (1a).
2. main shaft self-locking mechanism according to claim 1, which is characterized in that the male boss (1a) and female boss
(3a) is respectively there are three settings, and three male boss (1a) and three female boss (3a) are with the planetary plate
(1) it is distributed uniformly and circumferentially centered on central axes.
3. main shaft self-locking mechanism according to claim 1, which is characterized in that in the planetary plate (1) far from the closing piece
(3) that side is provided with the spacing shim (9) being fixed in the gear-box (7).
4. main shaft self-locking mechanism according to claim 1, which is characterized in that the male boss (1a) and female boss
Matched inclined-plane is formed on (3a).
5. main shaft self-locking mechanism according to claim 1, which is characterized in that the elastic element (8) is one elastic
The spring washer being folded between the closing piece (3) and the gear-box (7).
6. main shaft self-locking mechanism according to claim 5, which is characterized in that pressed from both sides between the spring washer and the closing piece (3)
Equipped with protection gasket (6).
7. a kind of drill kind tool, the gear-box (7) including tool outer casing and in the tool outer casing, in the gear-box (7)
It is provided with：
The planetary plate (1) being connect by sun gear and planetary gear (10) with motor drive,
It is coaxially arranged with the planetary plate (1) and with the gear-box (7) fixed stopper ring (2),
The closing piece (3) being co-axially located in the stopper ring (2),
Several self-lock pins (4) between the closing piece (3), planetary plate (1) and stopper ring (2) and
It is coaxially connected with the closing piece (3) and penetrate the output shaft (5) in the planetary plate (1)；
It is characterized in that：
The closing piece (3) is axially displaceably assemblied in the gear-box (7), and is equipped in the gear-box (7) to institute
The elastic element (8) for the axial elastic force that closing piece (3) applies towards the planetary plate (6) direction is stated, the planetary plate (1) is towards institute
State and public boss (1a) be fixedly installed on the end face of closing piece (3) that side, the closing piece (3) towards the planetary plate (1) that
It is fixedly installed on the end face of side and the matched female boss (3a) of the male boss (1a).
8. drill kind tool according to claim 7, which is characterized in that the male boss (1a) and female boss (3a) are equal
Three are respectively arranged with, and three male boss (1a) and three female boss (3a) are with the planetary plate (1)
It is distributed uniformly and circumferentially centered on central axes.
9. drill kind tool according to claim 7, which is characterized in that the elastic element (8) is to be folded in institute by elasticity
State the spring washer between closing piece (3) and the gear-box (7).
10. drill kind tool according to claim 7, which is characterized in that the male boss (1a) and female boss (3a)
On form matched inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188942.2U CN207577435U (en) | 2017-09-15 | 2017-09-15 | A kind of main shaft self-locking mechanism and the drill kind tool that the mechanism is configured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188942.2U CN207577435U (en) | 2017-09-15 | 2017-09-15 | A kind of main shaft self-locking mechanism and the drill kind tool that the mechanism is configured |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207577435U true CN207577435U (en) | 2018-07-06 |
Family
ID=62727735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721188942.2U Withdrawn - After Issue CN207577435U (en) | 2017-09-15 | 2017-09-15 | A kind of main shaft self-locking mechanism and the drill kind tool that the mechanism is configured |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207577435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378006A (en) * | 2017-09-15 | 2017-11-24 | 锐奇控股股份有限公司 | A kind of main shaft self-locking mechanism and the drill kind tool for configuring the mechanism |
-
2017
- 2017-09-15 CN CN201721188942.2U patent/CN207577435U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378006A (en) * | 2017-09-15 | 2017-11-24 | 锐奇控股股份有限公司 | A kind of main shaft self-locking mechanism and the drill kind tool for configuring the mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20230620 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |