CN205889075U - Safe anticreep chuck - Google Patents
Safe anticreep chuck Download PDFInfo
- Publication number
- CN205889075U CN205889075U CN201620838564.7U CN201620838564U CN205889075U CN 205889075 U CN205889075 U CN 205889075U CN 201620838564 U CN201620838564 U CN 201620838564U CN 205889075 U CN205889075 U CN 205889075U
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- mandrel
- sliding pin
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- jack
- radial
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Abstract
The utility model discloses a safe anticreep chuck, dabber one end is equipped with an axial jack, the sliding pin can be followed endwise slip and inserted and locate in this axial jack, sliding pin one end forms the conical surface structure that the diameter reduces gradually, be equipped with at least one radial jack on the dabber one end lateral wall, this radial jack proper with axial jack intercommunication can be just right with the conical surface structure position of sliding pin in the axial jack, and the opening diameter of radial jack is less than inside diameter, the ball can glidingly be located in the radial jack of dabber, and roller diameter is greater than radial jack opening diameter, first elastic component can provide the settlement confining force towards the motion of dabber one end direction for the sliding pin, it can drive the confining force that the sliding pin overcomes first elastic component and provide and move towards dabber other end direction to drive the part, the utility model discloses use also non -deformable inefficacy for a long time, guarantee that the dabber square head is steady in a long -term with being connected of connecting piece square hole, ensure that the chuck is safe in utilization.
Description
Technical field
The utility model is related to the technical field of electric and pneumatic instrument, particularly relates to a kind of safety anti-releasing chuck.
Background technology
Mandrel one end of anticreep chuck forms square toes, for being connected, the square toes of anticreep chuck mandrel with the square hole of connector
It is fastened and connected with the indent draw-in groove inside connector square hole by steel ball, the slip knot of steel ball on current anticreep chuck mandrel square toes
Structure is to form radial direction slot on the wall of mandrel square toes side, tiny spring and steel ball are positioned in this radial direction slot, radially inserts
Channel opening forms throat structure, it is to avoid steel ball drops out, and steel ball can be made to push against under power effect automatically in tiny spring simultaneously
Stretch out mandrel square toes surface and then realize being fastened and connected with indent draw-in groove on connector square hole madial wall, but this structure is pacified
Dress spacial influence, tiny spring specification cannot be done greatly, and spring is very tiny, its intensity very little, is easy to become after Long-Time Service
Shape lost efficacy, and leads to the square toes of anticreep chuck mandrel poor with the square hole connective stability of connector, easily operationally flies out, use
Security is low, and its due to installing space little, spring sizes are tiny to be difficult to assemble, and causes difficulty to the manufacturing.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of safety anti-releasing chuck, this safety anti-releasing chuck structure letter
Single, the square hole stable connection of the square toes of mandrel and connector, using safety.
The utility model in order to solve a kind of technical scheme that its technical problem is adopted: safety anti-releasing chuck, including core
Axle, described mandrel one end forms square head structure, also includes sliding pin, drives part, the first elastic component and ball, described mandrel one end
It is provided with an axial jack, sliding pin can slide axially and be inserted in this axial jack, and sliding pin one end forms reduced diameter
Cone structure, mandrel one side wall is provided with least one radial direction jack, and this radial direction jack just connects simultaneously energy with axial jack
In enough and axial jack, the cone structure position of sliding pin is just right, and the opening diameter of radial direction jack is less than inside diameter, ball energy
In enough radial direction jacks located at mandrel sliding, and ball diameter is more than radial direction jack openings diameter, and the first elastic component can be given
Sliding pin provides the setting confining force towards the motion of mandrel one extreme direction, drives part that sliding pin can be driven to overcome the first elastic component to carry
For confining force towards another extreme direction of mandrel move.
As further improvement of the utility model, described first elastic component is installed in axial jack, and the first elasticity
Part axial direction two ends are respectively tight against axial jack bottom surface and sliding pin other end end face.
As further improvement of the utility model, described drive part includes protheca, baffle ring and is located at sliding pin side wall
On radial protrusion structure, described mandrel side wall is provided with the radial perforation connecting with axial jack, the radial direction on the wall of sliding pin side
Bulge-structure can slide axially along sliding pin in the radial perforation being inserted on the wall of mandrel side, and baffle ring is fixed on mandrel lateral wall
On, and baffle ring protrudes from mandrel periphery surface, protheca can slide axially along mandrel and be sheathed on mandrel periphery, front
, in baffle ring, the protheca other end is tight against the radial protrusion structure on the wall of sliding pin side for set one end backstop.
As further improvement of the utility model, the radial protrusion structure on the wall of described sliding pin side is that fixation is inserted in cunning
Latch on the wall of pin side.
As further improvement of the utility model, described sliding pin side wall is formed with the positional punch radially extending,
Latch is closely inserted in the positional punch on the wall of sliding pin side, and latch two ends are stretched out respectively outside sliding pin and stretched into mandrel side
In radial perforation on wall.
As further improvement of the utility model, the radial protrusion structure on the wall of described sliding pin side reaches mandrel circumference
Side-wall outer side setpoint distance.
As further improvement of the utility model, it is additionally provided with the second elastic component, the second elastic component is sheathed on mandrel circumference
Outside, mandrel periphery is provided with a footpath convex baffle ring, and the second elastic component two ends are respectively tight against the footpath convex outside mandrel
Another end surfaces of radial protrusion structure on baffle ring and sliding pin side wall.
As further improvement of the utility model, described ball is steel ball.
As further improvement of the utility model, the cone structure end of described sliding pin one end is additionally provided with column and extends
Portion.
As further improvement of the utility model, it is additionally provided with rear enclosure, little steel ball, rear spring and rear stopper section, described core
The axle other end is provided with an installing hole, and mandrel another side wall is provided with the radial positioning hole connecting with installing hole, this radial positioning
Hole forms, towards the opening portion of installing hole one end, the throat structure that diameter shrinks, and what radial positioning in the hole can be slided is provided with least
One little steel ball, little diameter of the steel ball is more than the throat structure in radial positioning hole, and rear stopper section is fixedly installed in mandrel other end circle
On all lateral walls, rear enclosure can slide axially along mandrel and be sheathed on mandrel other end periphery, form one end straight inside rear enclosure
Footpath is less than the stepped hole of other end diameter, and deposits between the big one end madial wall of rear enclosure inner side step bore dia and mandrel lateral wall
In setpoint distance, rear spring housing located at mandrel other end periphery, and rear both ends of the spring respectively tight against rear enclosure one end and rear only
Stopper.
The beneficial effects of the utility model are: the utility model drives sliding pin to slide axially by driving part, Jin Ertong
The cone structure crossing sliding pin one end drives ball to buckle along the indent draw-in groove in the slip realization of radial direction jack and square hole side wall of mandrel
Close and connect, this structure is simple, installing space is big, the big normalization facilitating implementation elastic component uses, and elastic component intensity is big, makes for a long time
With being not easy to deformation failure it is ensured that the connection of mandrel square toes and connector square hole is steadily in the long term it is ensured that chuck uses safety.
Brief description
Fig. 1 is principle schematic diagram. of the present utility model；
Fig. 2 is three-dimensional exploded view of the present utility model.
Specific embodiment
Embodiment: a kind of safety anti-releasing chuck, including mandrel 1, described mandrel 1 one end forms square head structure 2, also includes sliding
Pin 3, drive part, the first elastic component 4 and ball 5, described mandrel 1 one end is provided with an axial jack 6, and sliding pin 3 can be vertically
Slip is inserted in this axial jack 6, and sliding pin 3 one end forms the cone structure 7 of reduced diameter, on mandrel 1 one side wall
It is provided with least one radial direction jack 8, this radial direction jack 8 is just connected with axial jack 6 and can be with sliding pin 3 in axial jack 6
Cone structure 7 position is just right, and the opening diameter of radial direction jack 8 be less than inside diameter, ball 5 can slide located at mandrel 1
Radial direction jack 8 in, and ball 5 is with diameter greater than radial direction jack 8 opening diameter, and the first elastic component 4 can provide direction to sliding pin 3
The setting confining force of mandrel 1 one extreme direction motion, drives part that sliding pin 3 can be driven to overcome the holding that the first elastic component 4 provides
Power is moved towards another extreme direction of mandrel 1, and during use, first operation drives part so that sliding pin 3 is slided towards another extreme direction of mandrel 1,
Make that the cone structure 7 on sliding pin 3 is relative with radial direction jack 8 position of mandrel 1, the ball 5 in mandrel 1 radial direction jack 8 loses cunning
Pin 3 recedes into inside radial direction jack 8 after pushing against naturally, and now outside mandrel 1, no ball 5 surface is stretched out, can be easily by mandrel 1
The square head structure 2 of one end is inserted in the square hole of connector, then unclamps drive part, under the first elastic component 4 elastic force drives,
Sliding pin 3 resets rapidly, and while sliding pin 3 slides axially, ball 5 is ejected by the cone structure 7 of its one end, and ball 5 reaches core
Outside axle 1 square toes and be embedded in the inner groovy on connector square hole madial wall, realize being connected together, need mandrel 1 from even
When exiting in the square toes of fitting, first operation drives part so that sliding pin 3 is slided towards another extreme direction of mandrel 1, and then drives ball 5 to move back
Enter in mandrel 1 radial direction jack 8 and then exit the inner groovy in connector square hole, realize mandrel 1 square head structure 2 and connector side
The dropout in hole, now can easily take out the square toes of mandrel 1, and this structure is slid axially by sliding pin 3 and drives ball 5 radial motion
And then realize being fastened and connected and threading off of anticreep chuck mandrel 1 square head structure 2 and connector square hole, this structure is simple, the first bullet
Property part 4 installation space big, being capable of the first elastic component 4 large scale requires, and the first elastic component 4 Long-Time Service is not easy to become
Shape lost efficacy it is ensured that the square head structure 2 of mandrel 1 and being stably connected with of connector square hole, it is to avoid Joint failure is it is ensured that chuck
Safety in utilization.
Described first elastic component 4 is installed in axial jack 6, and the axial two ends of the first elastic component 4 are respectively tight against axially slotting
Hole 6 bottom surface and sliding pin 3 other end end face, this structure is simple, fabricates and easy to assembly, can also be arranged on mandrel 1 in addition
Outside is realized by stage clip or is arranged on inside mandrel 1 or outside is realized by extension spring etc..
Described drive part includes protheca 9, baffle ring 10 and the radial protrusion structure being located on sliding pin 3 side wall, described core
Axle 1 side wall is provided with the radial perforation 21 connecting with axial jack 6, and the radial protrusion structure on sliding pin 3 side wall can be along sliding pin 3
Slide axially in the radial perforation 21 being inserted on mandrel 1 side wall, baffle ring 10 is fixed on mandrel 1 lateral wall, and baffle ring
10 protrude from mandrel 1 periphery surface, and protheca 9 can slide axially along mandrel 1 and be sheathed on mandrel 1 periphery, protheca 9 one
End backstop in baffle ring 10, protheca 9 other end tight against the radial protrusion structure on sliding pin 3 side wall, by pulling protheca 9 along mandrel
Slide within 1 week and then drive sliding pin 3 to slide axially by the radial protrusion structure on sliding pin 3 side wall, this structure is simple, is easy to group
Dress, can also be other structures as by gear ＆ rack structure, driven rack linear to slide by rotate gear, by tooth in addition
Bar and sliding pin 3 fixed-link, or also be can achieve by the structure of slide switch, the radial perforation 21 on mandrel 1 side wall
Most preferably along mandrel 1 axially elongated structure, realize the guiding to radial protrusion structure on sliding pin 3 side wall.
Radial protrusion structure on described sliding pin 3 side wall is the latch 11 that fixation is inserted on sliding pin 3 side wall.
It is formed with, on described sliding pin 3 side wall, the positional punch radially extending, latch 11 is closely inserted in sliding pin 3 side wall
On positional punch in, and latch 11 two ends stretch out respectively sliding pin 3 outside and stretch on mandrel 1 side wall radial perforation 21 in.
Radial protrusion structure on described sliding pin 3 side wall reach outside mandrel 1 circumferential side wall setpoint distance or
Radial protrusion structure on sliding pin 3 side wall is located inside the radial perforation 21 of mandrel 1, and protheca 9 other end is provided with radial direction interior protuberance,
This radial direction interior protuberance extend in the radial perforation 21 of mandrel 1 and tight against the radial protrusion structure on sliding pin 3 side wall.
It is additionally provided with the second elastic component 12, the second elastic component 12 is sheathed on mandrel 1 periphery, mandrel 1 periphery is provided with
One footpath convex baffle ring 13, the second elastic component 12 two ends footpath convex baffle ring 13 tight against mandrel 1 outside and sliding pin 3 side wall respectively
On another end surfaces of radial protrusion structure.
Described ball 5 is steel ball, pushes against friction by ball 5 with screwdriver head, is prevented effectively from when screwdriver head exits and drops, knot
Structure is simple, and easy to use, the smooth surface of ball 5 does not also interfere with screwdriver head and normally inserts and exit.
Cone structure 7 end of described sliding pin 3 one end is additionally provided with column extension, it is to avoid ball 5 drops to the axle of mandrel 1
Into jack 6.
It is additionally provided with rear enclosure 14, little steel ball 15, rear spring 16 and rear stopper section, described mandrel 1 other end is provided with an installing hole
17, mandrel 1 another side wall is provided with the radial positioning hole connecting with installing hole 17, and this radial positioning hole is towards installing hole 17 1
The opening portion at end forms the throat structure that diameter shrinks, and what radial positioning in the hole can be slided is provided with least one little steel ball 15,
With diameter greater than the throat structure in radial positioning hole, rear stopper section is fixedly installed in mandrel 1 other end periphery wall to little steel ball 15
On, rear enclosure 14 can slide axially along mandrel 1 and be sheathed on mandrel 1 other end periphery, and rear enclosure 14 inner side forms one end diameter
Less than the stepped hole of other end diameter, and between the big one end madial wall of rear enclosure 14 inner side step bore dia and mandrel 1 lateral wall
There is setpoint distance, rear spring 16 is sheathed on mandrel 1 other end periphery, and rear spring 16 two ends are respectively tight against rear enclosure 14 1
End and rear stopper section, this structure is used for the screwdriver head being installed in the installing hole 17 of mandrel 1 other end, and installing hole 17 is typically arranged
In hexagon ring, square hole or other non-circular holes, slided in mandrel 1 radial positioning in the hole by pin steel ball and realize and the buckleing of screwdriver head
Close and connect and thread off, by operating rear enclosure 14 to can achieve the installation of screwdriver head and exiting, this structure is simply easy to behaviour and is done, and also may be used
With setting tpr set 18 on rear enclosure 14 periphery surface, staff is facilitated to operate, rear enclosure 14 one end can form one section of diameter and increase
Big stepped hole, is sheathed on outside rear spring 16 outside and rear stopper section, it is to avoid drop in spring 16 and rear stopper section afterwards, rear backstop
Portion can include after jump ring 19 and after the gasket 20, on mandrel 1 other end lateral wall, after the gasket is sheathed on rear jump ring fixed cover
On mandrel 1 other end lateral wall, and after the gasket one end backstop is in rear jump ring, the after the gasket other end and rear spring 16 tight against.
Claims (10)
1. a kind of safety anti-releasing chuck, including mandrel (1), described mandrel one end form square head structure (2) it is characterised in that: also
Including sliding pin (3), drive part, the first elastic component (4) and ball (5), described mandrel one end is provided with an axial jack (6), sliding
Pin can slide axially and be inserted in this axial jack, and sliding pin one end forms the cone structure (7) of reduced diameter, mandrel
One side wall is provided with least one radial direction jack (8), and this radial direction jack is just connected with axial jack and can be with axial jack
The cone structure position of interior sliding pin is just right, and the opening diameter of radial direction jack be less than inside diameter, ball can slide located at
In the radial direction jack of mandrel, and ball diameter is more than radial direction jack openings diameter, and the first elastic component can provide direction to sliding pin
The setting confining force of mandrel one extreme direction motion, drives part that sliding pin can be driven to overcome the confining force court that the first elastic component provides
Move to another extreme direction of mandrel.
2. safety anti-releasing chuck according to claim 1 it is characterised in that: described first elastic component is installed on axial jack
Interior, and the first elastic component axial direction two ends are respectively tight against axial jack bottom surface and sliding pin other end end face.
3. safety anti-releasing chuck according to claim 1 it is characterised in that: described drive part include protheca (9), backstop
Ring (10) and the radial protrusion structure being located on the wall of sliding pin side, described mandrel side wall is provided with the radial direction being connected with axial jack and wears
Hole (21), the radial protrusion structure on the wall of sliding pin side can slide axially along sliding pin the radial perforation being inserted on the wall of mandrel side
Interior, baffle ring is fixed on mandrel lateral wall, and baffle ring protrudes from mandrel periphery surface, and protheca can along mandrel axially
, located at mandrel periphery, in baffle ring, the protheca other end is tight against the radial convex on the wall of sliding pin side for protheca one end backstop for slip cap
Play structure.
4. safety anti-releasing chuck according to claim 3 it is characterised in that: the radial protrusion structure on the wall of described sliding pin side
It is inserted in the latch (11) on the wall of sliding pin side for fixation.
5. safety anti-releasing chuck according to claim 4 it is characterised in that: be formed with the wall of described sliding pin side and radially prolong
The positional punch stretched, latch is closely inserted in the positional punch on the wall of sliding pin side, and latch two ends are stretched out outside sliding pin respectively
Side and stretch on the wall of mandrel side radial perforation in.
6. safety anti-releasing chuck according to claim 3 it is characterised in that: the radial protrusion structure on the wall of described sliding pin side
Reach setpoint distance outside mandrel circumferential side wall.
7. safety anti-releasing chuck according to claim 6 it is characterised in that: be additionally provided with the second elastic component (12), the second bullet
Property part be sheathed on mandrel periphery, mandrel periphery is provided with footpath convex baffle ring (13), and the second elastic component two ends are respectively
Tight against another end surfaces of radial protrusion structure on the footpath convex baffle ring and sliding pin side wall outside mandrel.
8. safety anti-releasing chuck according to claim 1 it is characterised in that: described ball be steel ball.
9. safety anti-releasing chuck according to claim 1 it is characterised in that: the cone structure end of described sliding pin one end is also
It is provided with column extension.
10. safety anti-releasing chuck according to claim 1 it is characterised in that: be additionally provided with rear enclosure (14), little steel ball (15),
Spring (16) and rear stopper section afterwards, the described mandrel other end is provided with an installing hole (17), and mandrel another side wall is provided with and pacifies
The radial positioning hole of dress hole connection, this radial positioning hole forms, towards the opening portion of installing hole one end, the necking knot that diameter shrinks
Structure, what radial positioning in the hole can be slided is provided with least one little steel ball, and little diameter of the steel ball is more than the necking knot in radial positioning hole
Structure, rear stopper section is fixedly installed on mandrel other end periphery wall, and rear enclosure can slide axially along mandrel and be sheathed on mandrel
Other end periphery, forms, inside rear enclosure, the stepped hole that one end diameter is less than other end diameter, and rear enclosure inner side step hole is straight
There is setpoint distance between the big one end madial wall in footpath and mandrel lateral wall, rear spring housing located at mandrel other end periphery,
And after both ends of the spring respectively tight against rear enclosure one end and rear stopper section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620838564.7U CN205889075U (en) | 2016-08-04 | 2016-08-04 | Safe anticreep chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620838564.7U CN205889075U (en) | 2016-08-04 | 2016-08-04 | Safe anticreep chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205889075U true CN205889075U (en) | 2017-01-18 |
Family
ID=57782608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620838564.7U Active CN205889075U (en) | 2016-08-04 | 2016-08-04 | Safe anticreep chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205889075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685314A (en) * | 2016-08-04 | 2018-02-13 | 昆山义成工具有限公司 | Safety anti-releasing chuck |
| CN108154828A (en) * | 2018-02-07 | 2018-06-12 | 李大旭 | Interactive health educates display system |
-
2016
- 2016-08-04 CN CN201620838564.7U patent/CN205889075U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685314A (en) * | 2016-08-04 | 2018-02-13 | 昆山义成工具有限公司 | Safety anti-releasing chuck |
| CN108154828A (en) * | 2018-02-07 | 2018-06-12 | 李大旭 | Interactive health educates display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |