CN104364054B - A kind of bolt tightening tool with driving head - Google Patents
A kind of bolt tightening tool with driving head Download PDFInfo
- Publication number
- CN104364054B CN104364054B CN201380022816.8A CN201380022816A CN104364054B CN 104364054 B CN104364054 B CN 104364054B CN 201380022816 A CN201380022816 A CN 201380022816A CN 104364054 B CN104364054 B CN 104364054B
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- drive link
- driving head
- bolt tightening
- tightening tool
- lock
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- 230000000717 retained Effects 0.000 claims abstract description 14
- 230000000875 corresponding Effects 0.000 claims abstract description 5
- 210000000515 Tooth Anatomy 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000001419 dependent Effects 0.000 description 2
- 210000000282 Nails Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
Abstract
nullThe present invention relates to one and there is the bolt tightening tool of driving head (1)，Described driving head has freewheel (20、21、23)，Described bolt tightening tool also has and can not rotate in drive openings (4)、But the drive link that can be inserted into movably (5)，Described drive link can pass through to move axially to move to and fro between right tightened position and left tightened position respectively，Wherein，Described drive link (5) another end segments accordingly is prominent from described driving head (1)，Described bolt tightening tool also has at least one retainer (9、9')，The position of described drive link (5) to be retained on corresponding tightened position and/or so that bolt driving member (12) being retained on drive link (5)，It is characterized in that，At least one retainer (9 described、9') it is placed in, by pressing, the operating parts (10 that the side of described drive link (5) is (5') gone up、10') off-position can be moved to from stop position.
Description
The present invention relates to a kind of bolt tightening tool with driving head, this driving head has freewheel, described spiral shell
But bolt tightening tool also has the drive link that can be inserted into movably that can not rotate in drive openings, this drive link energy
Passing through to move axially the most respectively to move to and fro between right tightened position and left tightened position, wherein, drive link is the most another
One end segments is prominent from driving head, and described bolt tightening tool also has at least one retainer, in order to by drive link
Position is retained on two described tightened position and/or is retained on drive link by box spanner.
Document DE 20 2,009 000 005 U1 illustrates a kind of bolt tightening tool with freewheel.Here, pass
Lever is inserted in drive openings.Described drive openings has square cross section.Being provided with retainer, described retainer is by drive link
It is retained on different axial locations.Described drive link can implement left tightened position, on left tightened position, and the end of drive link
The opposite end segments of section than drive link is prominent from driving head more such that it is able to more from drive link prominent
Installing box spanner in the transmission section gone out, this box spanner is merely able to rotate in one direction due to direction limiting mechanism.
Drive link can move axially in this wise so that other end section compares the most opposite end segments more from drive openings
Prominent, thus it is then able to install box spanner in described other end section, can turn contrary by this box spanner
Screw on dynamic direction.
The ratchet wrench with retainer is described in document US 3,208,318 and DE 10 2,004 032 341 A1
Hands, can make described retainer enter off-position by button operation.
Document DE 10 2,007 025 078 A1 describes the torque transmitting device with the stop spheroid that can commutate.
Document US 4,631,989 describes multiple embodiments of ratchet spanner.In an embodiment, for left and right conversion
Drive link is movably disposed in ratchet wrench head by purpose.In another embodiment, drive link regularly with ratchet wrench
It is connected at hand.Prominent pin it is provided with on the wide side relative to drive link of described head in drive link.Pass through pushpin
Stop spheroid can be moved to off-position from stop position by nail.
Document US 6,067,881 describes a kind of bolt tightening tool with freewheel, wherein, drive link from
Highlighting in driving head, be provided with operative pin in drive link, this operative pin is prominent on the wide side relative to drive link of described head.
Here, off-position can also be moved to retainer by pressing described pin.
In bolt tightening tool described above, driving head is designed as hammer.If to insert sleeve on drive link
Spanner, then this box spanner must be connected on drive link axial restraint.Additionally, it should also be ensured that, using as hammer
Instrument in the case of, drive link must controllably convert on its two tightened position back and forth.
The technical problem to be solved is, is conducive to making land used improve instrument recited above further.
Described technical problem is solved by the technical characteristic be given in the claims, wherein, first and substantially sets
Fixed, the operating parts being placed on the end face of drive link by pressing can make at least one retainer move to release from stop position
Put position.This change preferably acts on the ratchet spanner illustrated such as document DE 20 2,009 000 005 U1.Preferably
Setting in embodiment, described stop position is locked out position, in this latched position, in not formerly operation to operating parts
In the case of drive link immovable, or box spanner can not be from drive link in the case of not formerly operation to operating parts
Middle pull-out.In accordance with this embodiment, the ratchet spanner of the hammer of the drive link of with good grounds present invention design it is preferably equipped with
(Hammerknarre) box spanner being inserted into can also be utilized to be used as hammer.Therefore, institute in the case of beating operation
The collision occurred is not result in the displacement of undesirable drive link or is not result in the disengaging of box spanner and drive link.Retainer energy
Enough it is inserted in the window of drive link.Drive link can constitute axial cavity, and lock slide will be gone to be inserted in this axial cavity.Go
Lock slide can move in the axial direction.Go lock slide that retainer is retained in its latched position the lock of form fit
Location is put, and in the locking position, retainer is partially inserted the window of drive link respectively and neutralizes and be designed as the transmission of passage and open
In the stop space of the wall of mouth or locking space.Retainer can be spheroid.Retainer can shape be joined in the locking position
In the locking groove of the chipware being placed in driving head with closing.Described chipware can rotate relative to driving head.Chipware is due to directional lock
Determine mechanism be merely able in a rotation direction rotate, thereby through passes on driving head transverse to screw axis highlight
Arm can tighten step by step or loosen threaded.Setting in the improvement embodiment of the present invention, operating parts is to act on
Remove the button on lock slide.This button is located on the end face of drive link.Preferably two end faces of drive link all have button, institute
State button to be connected with the end removing lock slide respectively.Here, described button can be prominent from the end face removing lock slide respectively.
Can arrange one or more spring, this spring will go lock slide to hold in the locking position.If on one of two buttons
Apply axial compressive force, then go lock slide to move to lock position from its latched position, wherein, in the most described spring extremely
Few one compacted.In preferred embodiments, arranging two springs being pre-compacted in the opposite direction, described spring will go
Lock slide floating ground holds in the locking position.Described spring can be positioned in spring and accommodate intracavity, and described spring accommodates chamber
It is positioned at the region of the respective end section of lock slide, and described spring accommodates chamber and can be supported on the ladder of drive link
(Stufe), on, this ladder is made up of the bottom of chamber.The free end go lock slide can be installed covering, in this covering
The other end of the spring being preferably designed for compression spring is support on cover.Retainer can be preferably provided with two POF.?
On first POF, drive link is retained on in its two tightened position by retainer, wherein, at least limits
Mobility.On the second POF, box spanner is retained on drive link by retainer.Here, retainer the most at least rises
To inhibition.Go lock slide have two by support section mutually isolated go lock space, be especially designed as spheroid only
Moving part is embedded into this on off-position and goes to lock in space.Go to lock between space at two and be provided with support section, described supporting part
Retainer is retained on stop position by section in the locking position.Be preferably provided with two retainers being mutually axially spaced, they
Their off-position can be transformed to from their latched position when going lock slide to move simultaneously.The axle of said two retainer
To the axial length of gap ratio drive openings bigger (drive link inserts in described drive openings), it is thus possible to realize two and screw
Position, the rightest tightened position and left tightened position, in described position, an end segments of drive link is than another end corresponding
Section is prominent from the wide side of driving head more.The corresponding prominent end segments of drive link installs box spanner.Subsequently,
This box spanner is stopped part fixing, and wherein, the retainer being preferably designed for spheroid is subsequently inserted into the stop sky of box spanner
In gap.Freewheel is preferably the most switchable freewheel, thus depends on screwing direction, at two of drive link
Bolt driving member, such as box spanner is installed on which in end segments.Bolt driving member can be therefore by constituting ratchet wrench
The swinging operation of the arm of the bolt tightening tool of hands rotates along left-handed tight direction or rotates along the tight direction of dextrorotation.
Embodiments of the invention are illustrated in conjunction with appended accompanying drawing.Accompanying drawing is:
Fig. 1 illustrates the schematic diagram of bolt tightening tool；
Fig. 2 illustrates the front view of bolt tightening tool；
Fig. 3 is showing along the profile of cutting line III-III cutting gained in fig. 2；
Fig. 4 is showing along the profile of cutting line IV-IV cutting gained in figure 3, and wherein, drive link 5 is in the first rotation
On tight position, and can move on the second tightened position that dotted line represents by moving axially；
Fig. 5 is showing along the profile of cutting line V-V cutting gained in figure 3, wherein, goes lock slide 8 to be in its
Latched position；
Fig. 6 is showing along cutting line in Figure 5 and cuts open the profile of VI-VI cutting gained；
Fig. 7 illustrates the exploded view of the main element of the chipware of bolt tightening tool；
Fig. 8 illustrates according to still having the set installed on the end prominent from driving head 1 of drive link 5 shown in Fig. 5
The schematic diagram of barrel spanner 12；
Fig. 9 illustrates still have the schematic diagram removing lock slide 8 moving on off-position according to shown in Fig. 8；
Figure 10 illustrates according to the view shown in Fig. 5, wherein, shown in go lock slide 8 along other direction be transformed into release position
Put.
The ratchet spanner of the hammer related in an embodiment with such as explained in document DE 20 2,009 000 005 U1
The ratchet spanner of the hammer stated is the same.
Described instrument has the driving head 1 being connected with arm 2.Described driving head 1 has the opposite of two contrast
Impingement area, and driving head is designed as tup.Driving head has opening between its two wide sides, and the wall of opening constitutes tooth
Portion 23.The chipware 6 of freewheel 3 is inserted in opening.Freewheel 3 has and is entrenched in tooth with loading by spring 20 respectively
Lock pawl 19 in portion 23, thus chipware 6 is merely able in a rotation direction rotate in the cavity accommodating this chipware.
Therefore, driving head 1 constitutes annular element 7, installs the chipware 6 that can rotate around axis in annular element 7.This chipware
Having the drive openings 4 extended in the axial direction, this drive openings has square cross section.Open wide towards two wide sides
Drive openings 4 is inserted the drive link 5 with square cross section.The axial length of drive link 5 is more than the axial length of drive openings 4
Degree, thus the end segments 5 of drive link 5,5' can stretch out from drive openings 4.
Pars intramuralis at transmission cavity 4 disposes cannelure 11,11', described ring on two positions being mutually axially spaced
Shape groove constitutes locking space.
Finding out from Fig. 3 and Fig. 4, the female transverse holes of joining at chipware 6 is inserted into counter-sunk screw 21, described in immerse oneself in
Screw constitutes the boom end of narrowed diameter, and this boom end inserts in groove 22.Groove 22 is positioned at the edge of polygonal drive link 5
In region, and two spaced ends of drive link are utilized to constitute backstop, when drive link is in left tightened position and dextrorotation
When moving back and forth between tight position, the boom end of counter-sunk screw 21 collides in this backstop.
Drive link 5 has axial cavity, and this axial cavity has the cross section of circle.Especially insert in this axial cavity
Can not rotate removes lock slide 8.This goes lock slide 8 more longer than the length of the axial cavity of drive link 5.Axial cavity it
Having the end segments of enlarged-diameter in both side ends, this end segments is respectively equipped with chamber 24, is inserted into helical pressure at this chamber
Spring (Wendelgangdruckfeder) 14.Chamber 24 constitutes the bottom formed by drive link 5, bottom this on support bullet
The end of spring 14.
The side portion go lock slide 8 places end cap respectively, this end cap utilize bolt, rivet or the like or
Other device passes through bonding or welds, i.e. generally material engages, is frictionally engaged or is shape-ordinatedly fixed on to lock and slide
On block 8.Described end cap constitutes button 10,10'.End cap is embedded on helical compression spring 14,14', thus makes the two on the contrary
The centre position that on direction, the spring of effect will go lock slide 8 to be retained on central authorities.Lock slide 8 is gone to be held by two spring floating
In the locking position.
Drive link 5 has two axial spaced windows 18, install respectively in window spheroid 9,9' form only
Moving part.In latched position shown in Figure 5, spheroid 9,9' are respectively supported on the support section 17 of lock slide 8,17', and
And be the most shape-ordinatedly held in the locking position.Here, one of two stop spheroids 9,9' are embedded in two locking skies
In one of gap 11,11', in order to drive link 5 is shape-ordinatedly retained on two and tightens on one of position.Support section 17,17'
Two go to lock space 15,15', 16, between 16'.If going lock slide 8 to start along wherein from the position shown in Figure 5
One or the other axial direction moves, then go to lock space 15,15', 16, one of 16' moves to after stop spheroid 9,9'
Position, thus stop spheroid 9,9' can radially be embedded into lock space 15,15', 16, in 16'.Detent balls subsequently
Body 9,9' are completely embedded within drive link 5.
As can be seen from Figure 8, stop spheroid 9 is located in one of two locking spaces 11, relatively another detent balls
Body 9' can be embedded in the locking space 13 of box spanner 12, in order to box spanner 12 is shape-ordinatedly limited in drive link
On 5.Locking space 13 can be made up of through hole 13 as shown in figure.But, locking space alternatively can also be by interior at this
Spherical crown is constituted.
In order to box spanner 12 is got loose from drive link 5, it is necessary to apply axially pressure on the button 10 go lock slide 8
Power so that go lock slide 8 can from it in fig. 8 shown in latched position move to it in fig .9 shown in remove lock-bit
Put.Going in lock position at this, stop spheroid 9,9' can be extruded from their locking space 11 or 13.So far, it is possible to from
Drive link 5 pulls out box spanner 12.
In order to move axially drive link 5 relative to driving head 1, button 10' applies pressure.
If the such as position shown in Fig. 5,8 and 9 is right tightened position, then drive link 5 can be by pressing down on
Button 10' is transformed into left tightened position as shown in Figure 10.Therefore cause go lock slide 8 relative to drive link 5 axial
In the case of movement, go to lock space 15' and enter relative to the position after stop spheroid 9', or go to lock space 15 to enter phase
For the position after stop spheroid 9.It is located at the stop spheroid 9 in locking space 11 therefore, it is possible to move to as shown in Figure 10
Off-position on.The pressure being applied on button 10' is then able to so that drive link 5 is to the shown position of dotted line in Fig. 10
Move axially.
On this position, window 18 aligns with locking space 11', thus can in rear spring 14' unclamping button 10'
Again it is relaxed, thus makes lock slide 8 enter into its latched position.Stop spheroid 9' moves at this lock space 11'
In, and utilize support section 17 to be held at that.
In an embodiment, whole two stop spheroids 9,9' are separately positioned on two lockings one of space 11,11' alternatively
In, wherein, box spanner 12 can be limited on drive link 5 by another stop spheroid 9,9' accordingly.
By drive link 5 in the case of left-handed tight position-commutate mode to right tightened position or contrary commutate, go lock side to
The moving direction of drive link is identical sensing, thus acts on button 10, the 10' highlighted from the end face 5 of drive link 5,5'
On pressure first play the effect of lock, and play the effect of mobile drive link subsequently.
In unshowned embodiment, button 10, the end face of 10' can also set with the end-side openings of drive link with flushing
Put.Additionally it is possible to arrange more than 3 stop spheroids 9.Enable in particular to inside drive openings 4, only arrange a locking space,
Such as it is located at axial central authorities.
All disclosed features () own have invention meaning or invention to be worth.In disclosure herein file, affiliated/
In the disclosure of attached priority text (earlier application) is also entirely included, for this also by this priority text
Feature is included in claims hereof.The selectable design arranged side by side of those in dependent claims is all for existing
Technology is had to have the Curve guide impeller of independent invention meaning or value, it is particularly possible to based on these dependent claims, to propose division Shen
Please.
Reference numerals list
1 driving head
2 arms
3 freewheels
4 drive openings
5 drive links " end face "
6 chipwares
7 annular elements
8 remove lock slide
9 retainers/locking spheroid
10 buttons
11 locking spaces
12 box spanners
13 locking spaces
14 springs
15 go to lock space
16 go to lock space
17 support section
18 windows
19 lock pawls
20 springs
21 counter-sunk screws
22 grooves
23 teeth portion
24 chambers
Claims (11)
1. having a bolt tightening tool for driving head (1), described driving head has freewheel (3), described bolt pine
Clamping tool also have drive openings (4) but in can not rotate the drive link (5) that can be inserted into movably, described drive link
Can pass through to move axially respectively to move to and fro between right tightened position and left tightened position, wherein, described drive link (5)
Another end segments corresponding is prominent from described driving head (1), and described bolt tightening tool also has at least one retainer
(9,9'), in order to the position of described drive link (5) is retained on corresponding tightened position and so that bolt driving member is held
On drive link (5), at least one retainer described (9,9') is by being placed in going in the axial cavity of described drive link (5)
Lock slide (8) is retained on stop position, be placed in by pressing (5') go up the side of described drive link (5) operating parts (10,
10') off-position can be moved to from stop position, it is characterised in that described stop position is the latched position of form fit,
Described latched position can only be by axially pressing one of described operating parts (10,10') and released, in order to is designed as box spanner
(12) bolt driving member can not be drawn out on stop position from described drive link (5).
The bolt tightening tool with driving head (1) the most according to claim 1, it is characterised in that multiple be placed in transmission
Locking space in the wall of opening (4) (11,11'), retainer on stop position (9,9') is embedded in described locking space
In.
3. according to the bolt tightening tool with driving head (1) according to any one of the claims, it is characterised in that institute
State operating parts (10,10') be act on described in remove button on lock slide (8) (10,10'), by removing lock described in described button
Slide block (8) can leave latched position under the restoring force overcoming one or more spring (14,14').
The bolt tightening tool with driving head (1) the most according to claim 1, it is characterised in that described in remove lock slide
(8) fixing is in the locking position for the spring that acted in the opposite direction by two (14,14').
The bolt tightening tool with driving head (1) the most according to claim 1, it is characterised in that at described drive link
(5), when moving between its two tightened position, described retainer (9,9') is from least stoping described drive link (5) movement
First POF transforms to the second POF at least stoping described box spanner (12) to depart from from described drive link (5).
The bolt tightening tool with driving head (1) the most according to claim 1, it is characterised in that going in lock position
Described retainer (9,9') be embedded into described in go lock slide (8) go lock space (15,15', 16,16') in.
7. according to the bolt tightening tool with driving head (1) described in the claims 6, it is characterised in that can hand over for two
For effect go lock space (15,15', 16,16'), described go to lock to dispose between space support section (17), described supporting part
Retainer (9,9') is retained in its latched position by section, and in described latched position, described retainer is inserted into described biography
In the locking space of the chipware (6) of dynamic head (1) (11,11').
The bolt tightening tool with driving head (1) the most according to claim 1, it is characterised in that described retainer (9,
9') it is spheroid.
The bolt tightening tool with driving head (1) the most according to claim 1, it is characterised in that be provided with two stop
Part (9,9'), the axial spacing that they have each other more than the axial length of the cavity of the chipware (6) of described driving head (1),
Described drive link (5) is inserted in described cavity.
The bolt tightening tool with driving head (1) the most according to claim 9, it is characterised in that described chipware (6)
It is rotatably inserted in the opening of described driving head (1) in the case of direction is locked, described driving head and driving arm (2)
Fixing connection.
The 11. bolt tightening tools with driving head (1) according to claim 1, it is characterised in that described free turbine
Structure (3) has the lock pawl (19) being embedded in teeth portion (23), being loaded by spring (20).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012103782.5 | 2012-04-30 | ||
| DE102012103782A DE102012103782A1 (en) | 2012-04-30 | 2012-04-30 | Ratchet with reciprocating output shaft |
| PCT/EP2013/058163 WO2013164206A1 (en) | 2012-04-30 | 2013-04-19 | Ratchet having an output shaft which can be displaced to and fro |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104364054A CN104364054A (en) | 2015-02-18 |
| CN104364054B true CN104364054B (en) | 2016-11-30 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1428386A (en) * | 1972-06-26 | 1976-03-17 | Robinson Td | Devices which transmit movement of one part in one sense to another part and which permit movement of said one part rela tive to said other part in the opposite sense |
| CN2754822Y (en) * | 2004-11-05 | 2006-02-01 | 王秉武 | Ratchet box spanner |
| CN2792711Y (en) * | 2005-04-06 | 2006-07-05 | 陈祖江 | Ratchet spanner |
| DE202006019413U1 (en) * | 2006-12-22 | 2007-03-15 | Lai, Chun-Chou | Ratchet wrench has ratchet head having retainer area in which hollow cylinder and both ratchets are accommodated whereby inner wall of retainer area having teeth is provided at which pawl set is engaged for high torque |
| CN201235514Y (en) * | 2008-07-29 | 2009-05-13 | 许桂忠 | Bidirectional ratchet wrench |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1428386A (en) * | 1972-06-26 | 1976-03-17 | Robinson Td | Devices which transmit movement of one part in one sense to another part and which permit movement of said one part rela tive to said other part in the opposite sense |
| CN2754822Y (en) * | 2004-11-05 | 2006-02-01 | 王秉武 | Ratchet box spanner |
| CN2792711Y (en) * | 2005-04-06 | 2006-07-05 | 陈祖江 | Ratchet spanner |
| DE202006019413U1 (en) * | 2006-12-22 | 2007-03-15 | Lai, Chun-Chou | Ratchet wrench has ratchet head having retainer area in which hollow cylinder and both ratchets are accommodated whereby inner wall of retainer area having teeth is provided at which pawl set is engaged for high torque |
| CN201235514Y (en) * | 2008-07-29 | 2009-05-13 | 许桂忠 | Bidirectional ratchet wrench |
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