CN109249354A - Pneumatic tool handoff-security button - Google Patents
Pneumatic tool handoff-security button Download PDFInfo
- Publication number
- CN109249354A CN109249354A CN201710574892.XA CN201710574892A CN109249354A CN 109249354 A CN109249354 A CN 109249354A CN 201710574892 A CN201710574892 A CN 201710574892A CN 109249354 A CN109249354 A CN 109249354A
- Authority
- CN
- China
- Prior art keywords
- pneumatic tool
- positioning seat
- locating slot
- hole
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The present invention provides a kind of pneumatic tool handoff-security buttons, the pneumatic tool handoff-security button is to be recessed with a pair of of locating slot in the installation hole two sides of a positioning seat, a revolving part is rotationally plugged in the installation hole, and two pairs of switching surfaces are formed in the shaft of the revolving part, and one pair of them switching surface is selectively made to correspond to this in parallel to locating slot, recycle a flexible U-shaped safety pin corresponding inserted this in locating slot, and with the both ends of the safety pin be clamped on the rotating part correspond to this to locating slot this on switching surface, thus the effect of reaching the strong fix rotating part, it can avoid the damage that pneumatic tool turned to and reduced suddenly part in actuation.
Description
Technical field
The present invention relates to a kind of pneumatic tool spare part more particularly to a kind of pneumatic tool handoff-security buttons.
Background technique
Pneumatic tool is a kind of toolroom machine of compressed air-driven air motor using air compressor, and pneumatic tool
Different tool heads are connect by group, can be used as Pneumatic drilling machine, pneumatic percussion device, pneumatic impact wrench, pneumatic ratchet spanners ...
Equal tools use, and air ratchet box spanner 90 as illustrated in figs. 7 and 8, in operation, user can be according to actual demands
Switch rotation button, to control motor forward or reverse.
The structure of existing pneumatic tool switch bar designs, as illustrated in figs. 7 and 8, the shaft mainly in a rotation button
91 radially wear a commutation supporting element 92, and are resisted against a swinging block 94 with a ball 93 of 92 one end of commutation supporting element,
And two adjacent grooves 95, when rotation button switches to side, the commutation are recessed in adjacent on the abutment face of the swinging block 94
The ball 93 of supporting element 92 is resisted against the groove 95 of 94 side of swinging block, rotates pneumatic tool towards a direction, works as rotation button
When switching to the other side, the ball 93 of the commutation supporting element 92 is resisted against in the groove 95 of 94 other side of swinging block, is made pneumatic
Tool is rotated towards other direction.
Due to the switch bar of existing pneumatic tool be using commutation 92 end of supporting element ball 93 and swinging block 94 its
In the mode that leans of a groove 95 positioned, therefore, when pneumatic tool encounters biggish vibration or the pneumatic tool is
When hitting pneumatic tool, the commutation supporting element 92 of the switch bar is easy to be bounced because of vibration into another groove 95, makes pneumatic
Tool reversely rotates suddenly, not only causes the danger in operation, while also resulting in the damage of pneumatic tool inner body, still needs
Improvements.
Summary of the invention
Due to the location structure of the switch bar of existing pneumatic tool and unstable, it is easy optionally to switch due to vibrating spring
It turns to, therefore causes the danger in operation and the damage of part, to solve this problem, the present invention provides a kind of pneumatic tool safety
Switch bar can reach and stablize the effect of keeping switch bar position.
Pneumatic tool handoff-security button of the invention, it includes have:
One positioning seat, in one positioning region of one side projection, the recessed installation hole in the positioning region center, and in the installation hole
Two sides are recessed with a pair of of the locating slot for being parallel to each other and being respectively communicated with the installation hole；
One rotating part is rotationally inserted in the installation hole of the positioning seat, and includes a stopper section, a shaft
With a button head, wherein the stopper section sticks on the positioning region, which is set to the medial surface center of the stopper section, and plugs
In the installation hole, which is formed with two pairs of switchings that are opposite two-by-two and being staggered in the position close to the stopper section and puts down
Face, each pair of switching surface is parallel each other, and switching ground, which may be selected, makes one pair of them switching surface correspond to this in parallel
To locating slot, which is set to the stopper section lateral surface；
One safety pin, be U-shaped elastic element, both ends corresponding inserted in the positioning seat this to locating slot
On, and be held on the shaft corresponding to this to locating slot this on switching surface.
It is preferred that the both ends outer diameter of the safety pin is respectively smaller than the width of the corresponding locating slot.
It is preferred that the positioning seat is equipped with a limit hole on positioning region；The stopper section is in the corresponding limit
The position in position hole forms the limit notch of an arc；One gag lever post of corresponding accommodating in the limit notch.
It is preferred that a pair of of locating slot can form interconnected U-shaped locating slot at one end.
It is preferred that the button head is in "-" type.
It is preferred that the positioning seat is equipped with a group connecting part in the other side.
It is preferred that the pneumatic tool handoff-security button, wherein the positioning seat is equipped with a pivot in one side
Apertured, and offer on outer peripheral surface one and axially extend and the accommodation groove of semicircular in shape, the accommodation groove are connected to the installing
Hole and the hole that is pivoted；The rotating part radially recessed shrinkage pool on the outer peripheral surface of shaft, the shrinkage pool correspond to the accommodating
Slot；And
Pneumatic tool handoff-security button further include a swinging block, one be pivoted bar, one commutation supporting element, wherein should
Swinging block is swingably placed in the accommodation groove of the positioning seat, and selectively switches the steering of pneumatic tool, the swing
Block forms an axis hole in center, is formed with interval and two adjacent switching slot in bottom surface；The bar that is pivoted is plugged in the positioning seat
In the axis hole of be pivoted hole and the swinging block；The commutation supporting element is accommodated in the accommodation groove of the positioning seat, and with one end
It is inserted on the rotating part in the shrinkage pool of the shaft, the other end is then selectively resisted against a wherein switching slot for the swinging block
In.
It is preferred that the stopper section of the rotating part is in correspondence, hole site formation one that is pivoted passes through recess；Described
The bar that is pivoted passes through should be by recess, and is plugged in axis hole of be pivoted hole and the swinging block of the positioning seat.
Pneumatic tool handoff-security button of the invention is using flexible U-shaped safety pin corresponding inserted in the positioning
This on seat is in locating slot, making the both ends of the safety pin be clamped in the one pair of them switching surface on the rotating part respectively
On, it the effect of designing by the structure of two-sided clamping, reach the strong fix rotating part, loosen the rotating part will not vibrated
Rotation, can effectively keep the position of switch bar, pneumatic tool is avoided to turn to suddenly in actuation, can increase pneumatic tool operation
On safety, and reduce damage parts, prolong the service life.
Detailed description of the invention
Fig. 1 is stereoscopic figure of the invention.
Fig. 2 is exploded perspective view of the invention.
Fig. 3 is the exploded perspective view that the present invention is mounted on air ratchet box spanner.
Fig. 4 to fig. 6 is that the present invention is mounted on air ratchet box spanner and rotates the continuous action sectional view of rotating part.
Fig. 7 and Fig. 8 is continuous action sectional view of the existing pneumatic tool switch bar in switching rotation button.
Specific embodiment
It for technical characteristic and practical effect of the invention can be understood in detail, and can be realized according to the content of specification, hereby
Further with preferred embodiment as indicated in the drawings, detailed description is as follows:
Pneumatic tool handoff-security button of the invention, please refers to Fig. 1 and Fig. 2, and it includes have a positioning seat 10, a rotating part
20, a safety pin 30, a swinging block 40, one bar 50, one that is pivoted commutate supporting element 60 and a gag lever post 70, wherein this is fixed
Position seat 10 is the cylindrical body of step shape, and in one positioning region 11 of one side projection, the recessed installation hole 12 in 11 center of positioning region,
And a pair of of the locating slot 13 for being parallel to each other and being respectively communicated with the installation hole 12 is recessed in 12 two sides of installation hole, it is preferable that
This can form interconnected U-shaped locating slot to locating slot 13 at one end.
The positioning seat 10 wears one in the opposite sides of the positioning region 11 close to periphery respectively and is pivoted hole 14 and a limit hole
15, and offer on outer peripheral surface one and axially extend and the accommodation groove 16 of semicircular in shape, the accommodation groove 16 are connected to the dress
Apertured 12 is convexly equipped with a group connecting part 17, the group connecting part in the side different from the positioning region 11 with the hole 14 that is pivoted, the positioning seat 10
17 can be the tool heads of various pneumatic tool, it is preferable that the group connecting part 17 is the sleeve positioning structure in combination with sleeve.
The rotating part 20 is rotationally inserted in the installation hole 12 of the positioning seat 10, and include a stopper section 21,
One shaft 22 and a button head 23, the stopper section 21 is in the form of annular discs, sticks on the positioning region 11, and in corresponding 14, the hole that is pivoted
It sets to form one by recess 210, forms the limit notch 211 of a long arc shape in corresponding 15 position of limit hole；The shaft 22 1
Body is convexly equipped in the stopper section 21 medial surface center, and is plugged in the installation hole 12 of the positioning seat 10, the periphery of the shaft 22
A radially recessed shrinkage pool 220 on face, the shrinkage pool 220 correspond to the accommodation groove 16.
Please refer to Fig. 1, Fig. 2 and fig. 4 to fig. 6, which is further formed in the position close to the stopper section 21
Have two-by-two with respect to and two pairs of switching surfaces 221,222 for being staggered, each pair of switching surface 221,222 is parallel each other,
And this for corresponding to one pair of them switching surface 221,222 in parallel on the positioning seat 10 is to locating slot
13, it is preferable that two pairs of switching surfaces 221,222 can surround the parallelogram of square or diamond shape or other shapes；It should
Button head 23 is integrally convexly equipped in 21 lateral surface of stopper section in "-" type, so that user facilitates rotation to switch.
The safety pin 30 is elastic element U-shaped and with circular cross-section, and both ends corresponding inserted is fixed at this
This of position seat 10 on locating slot 13, and against the shaft 22 correspond to this to locating slot 13 this to switching surface 221,
On 222, it is thus held fixedly the rotating part 20, to prevent the rotating part 20 from rotating due to vibrated relative to the positioning seat 10,
Also, the both ends outer diameter (i.e. the diameter of circular cross-section) of the safety pin 30 is respectively smaller than the width of the corresponding locating slot 13
Degree.
The swinging block 40 is swingably placed in the accommodation groove 16 of the positioning seat 10, selectively switches pneumatic tool
Steering (such as: be flapped toward side for rotate forward, be flapped toward the other side for reversion), the swinging block 40 center formed an axis hole 41,
Bottom surface is formed with interval and two adjacent switching slot 42；The bar 50 that is pivoted should pass through recess 210 across the rotating part 20, and insert
It is located in axis hole 41 of be pivoted hole 14 and the swinging block 40 of the positioning seat 10.
The commutation supporting element 60 is accommodated in the accommodation groove 16 of the positioning seat 10, and is plugged in the rotating part 20 with one end
In the shrinkage pool 220 of the upper shaft 22, the other end is then selectively resisted against in a wherein switching slot 42 for the swinging block 4040.
The gag lever post 70 correspondence is accommodated on the rotating part 20 in the limit notch 211 of the stop tab 21, and is inserted in
In the limit hole 15 of the positioning seat 10, when switching pneumatic tool is forward or reverse, which can be resisted against the rotation
Wherein one end of the limit notch 211, thus limits the slewing area of the rotating part 20 on moving part 20.
When pneumatic tool handoff-security button installation of the invention is located on air ratchet box spanner 80, Fig. 3, gas are please referred to
Power driven tools handoff-security button is in the fixed shell 81 for being plugged in air ratchet box spanner 80 and ratchet member 82, and with the swing
Block 40 is engaged on the ratchet 820 of the ratchet member 82, and is made the button head 23 of the rotating part 20 corresponding and exposed the shell 81
Opening 810, for rotation switching use.
Fig. 2 to Fig. 6 is please referred to, when switching the steering of pneumatic tool, the button head 23 of the rotating part 20 is reversed, makes the rotation
The shaft 22 of moving part 20 is rotated relative to the positioning seat 10 and the safety pin 30, due to the safety pin 30 be elastic element and
The outer diameter at both ends is less than corresponding 13 width of locating slot, therefore, two betweens of switching surfaces 221,222 in the shaft 22
Angle can elasticity strut the both ends (as shown in Figure 5) of the safety pin 30, switch to the shaft 22 and switched with another pair
Plane 222 it is corresponding this to locating slot 13 after, the safety pin 30 will elastic reset be held on this separately on switching surface 222,
At this point, the commutation supporting element 60 also can simultaneously with the shaft 22 rotate, and switch to be resisted against it is another on the swinging block 40
In switching slot 42, the steering operation of switching pneumatic tool thus can be completed.
Pneumatic tool handoff-security button of the invention mainly utilizes flexible 30 corresponding inserted of U-shaped safety pin
This on the positioning seat 10 is to being clamped in the both ends of the safety pin 30 respectively on the rotating part 20
On one pair of them switching surface 221,222, is designed by the structure of two-sided clamping, reach the function of the strong fix rotating part 20
Effect, make the rotating part 20 will not vibrated loosenings rotate, the position of switch bar can be effectively kept, avoid pneumatic tool in actuation
When turn to suddenly, the operational safety of pneumatic tool can be increased, and reduce damage parts, prolong the service life.
Claims (8)
1. a kind of pneumatic tool handoff-security button, it includes have:
One positioning seat, in one positioning region of one side projection, the recessed installation hole in the positioning region center, and in the installation hole two sides
It is recessed with a pair of of the locating slot for being parallel to each other and being respectively communicated with the installation hole；
One rotating part is rotationally plugged in the installation hole of the positioning seat, and includes a stopper section, a shaft and one
Button head, wherein the stopper section sticks on the positioning region, which is located at the medial surface center of the stopper section, and is inserted in this
In installation hole, which is formed with two pairs of switching surfaces that are opposite two-by-two and being staggered in the position close to the stopper section, this
Each pair of switching surface is parallel each other, and switching ground, which may be selected, makes one pair of them switching surface correspond to this in parallel to positioning
Slot, the button head are located at the stopper section lateral surface；
One safety pin, is U-shaped elastic element, both ends corresponding inserted in the positioning seat this on locating slot,
And be clamped in the shaft corresponding to this to locating slot this on switching surface.
2. pneumatic tool handoff-security button as described in claim 1, wherein the both ends outer diameter of the safety pin is distinguished
Less than the width of the corresponding locating slot.
3. pneumatic tool handoff-security button as described in claim 1, wherein the positioning seat is equipped with one on positioning region
Limit hole；The stopper section forms the limit notch of an arc in the corresponding limit hole position；It is corresponding in the limit notch to hold
Set a gag lever post.
4. pneumatic tool handoff-security button as described in claim 1, wherein a pair of of locating slot can form phase at one end
Intercommunicated U-shaped locating slot.
5. pneumatic tool handoff-security button as described in claim 1, wherein the button head is in "-" type.
6. pneumatic tool handoff-security button as described in claim 1, wherein the positioning seat is equipped with one group in the other side and connects
Portion.
7. such as pneumatic tool handoff-security button described in any one of claims 1 to 6, wherein the positioning seat is in side
Face is equipped with one and is pivoted hole, and offers on outer peripheral surface one and axially extend and the accommodation groove of semicircular in shape, the accommodation groove
It is connected to the installation hole and the hole that is pivoted；The rotating part a radially recessed shrinkage pool, the shrinkage pool on the outer peripheral surface of shaft
Corresponding to the accommodation groove；And
Pneumatic tool handoff-security button further include a swinging block, one be pivoted bar, one commutation supporting element, wherein the swing
Block is swingably placed in the accommodation groove of the positioning seat, and selectively switches the steering of pneumatic tool, which exists
Center forms an axis hole, is formed with interval and two adjacent switching slot in bottom surface；The bar that is pivoted is inserted in the pivot of the positioning seat
In the axis hole of apertured and the swinging block；The commutation supporting element is accommodated in the accommodation groove of the positioning seat, and is plugged with one end
In the shrinkage pool of the shaft on the rotating part, the other end is then selectively resisted against in a wherein switching slot for the swinging block.
8. pneumatic tool handoff-security button as claimed in claim 7, wherein the stopper section of the rotating part is in the corresponding pivot
Apertured position forms one and passes through recess；The bar that is pivoted passes through should be by recess, and is inserted in the hole that is pivoted of the positioning seat
In the axis hole of the swinging block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574892.XA CN109249354A (en) | 2017-07-14 | 2017-07-14 | Pneumatic tool handoff-security button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574892.XA CN109249354A (en) | 2017-07-14 | 2017-07-14 | Pneumatic tool handoff-security button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109249354A true CN109249354A (en) | 2019-01-22 |
Family
ID=65051756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710574892.XA Pending CN109249354A (en) | 2017-07-14 | 2017-07-14 | Pneumatic tool handoff-security button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109249354A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES217766U (en) * | 1974-12-30 | 1976-08-16 | Cons Devices | Turn key free. (Machine-translation by Google Translate, not legally binding) |
| TW421623B (en) * | 1998-09-16 | 2001-02-11 | Hand Tool Design Corp | Slider pawl |
| CN201338262Y (en) * | 2008-12-30 | 2009-11-04 | 冠亿齿轮股份有限公司 | Torque force control device of pneumatic tool |
| US7677137B1 (en) * | 2009-01-23 | 2010-03-16 | Chia-Yu Chen | Reversible ratchet mechanism for ratchet tools |
| US20140196576A1 (en) * | 2013-01-14 | 2014-07-17 | Yu Wen CHEN | Controlling structure for a unidirectional ratchet wrench |
| TWI453096B (en) * | 2012-11-28 | 2014-09-21 | ||
| CN105313051A (en) * | 2014-08-04 | 2016-02-10 | 豪越股份有限公司 | Reversing device of ratchet wrench |
| CN105983935A (en) * | 2015-02-16 | 2016-10-05 | 冠亿齿轮股份有限公司 | Ratchet assembly with rolling support structure |
-
2017
- 2017-07-14 CN CN201710574892.XA patent/CN109249354A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES217766U (en) * | 1974-12-30 | 1976-08-16 | Cons Devices | Turn key free. (Machine-translation by Google Translate, not legally binding) |
| TW421623B (en) * | 1998-09-16 | 2001-02-11 | Hand Tool Design Corp | Slider pawl |
| CN201338262Y (en) * | 2008-12-30 | 2009-11-04 | 冠亿齿轮股份有限公司 | Torque force control device of pneumatic tool |
| US7677137B1 (en) * | 2009-01-23 | 2010-03-16 | Chia-Yu Chen | Reversible ratchet mechanism for ratchet tools |
| TWI453096B (en) * | 2012-11-28 | 2014-09-21 | ||
| US20140196576A1 (en) * | 2013-01-14 | 2014-07-17 | Yu Wen CHEN | Controlling structure for a unidirectional ratchet wrench |
| CN105313051A (en) * | 2014-08-04 | 2016-02-10 | 豪越股份有限公司 | Reversing device of ratchet wrench |
| CN105983935A (en) * | 2015-02-16 | 2016-10-05 | 冠亿齿轮股份有限公司 | Ratchet assembly with rolling support structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190122 |