CN103764350B - Door handle device - Google Patents
Door handle device Download PDFInfo
- Publication number
- CN103764350B CN103764350B CN201280042520.8A CN201280042520A CN103764350B CN 103764350 B CN103764350 B CN 103764350B CN 201280042520 A CN201280042520 A CN 201280042520A CN 103764350 B CN103764350 B CN 103764350B
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- CN
- China
- Prior art keywords
- spring element
- door handle
- drawstring
- handle device
- hand held
- Prior art date
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- 210000002275 spiral lamina Anatomy 0.000 description 20
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/04—Handles; Handle mountings
- B25D17/043—Handles resiliently mounted relative to the hammer housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- 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
- B25F5/02—Construction of casings, bodies or handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/54—Plastics
- B25D2222/57—Elastomers, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/54—Plastics
- B25D2222/69—Foamed polymers, e.g. polyurethane foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/255—Switches
- B25D2250/261—Means for locking an operative switch on
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/255—Switches
- B25D2250/265—Trigger mechanism in handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/275—Tools having at least two similar components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/371—Use of springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/371—Use of springs
- B25D2250/381—Leaf springs
Abstract
The present invention relates to a kind of door handle device for hand held power machine, described hand held power machine has method of operation conversion equipment and for driving the driving means of plug-in type instrument with the different methods of operation, described door handle device has at least one spring element (18) and has and at least can be arranged on to finite motion the handle unit (22) on machine case (20), this handle unit relative to described machine case (20) vibration uncoupling at least in part and includes the switch manipulator (24) for making described driving means (14) put into operation by least one spring element (18), wherein, described switch manipulator (24) can not only monostable and also bistable state ground between two position of the switch change.Suggestion, described door handle device includes intermediate plate (26) and controls device (28), this intermediate plate is arranged in described machine case (20) and at least receives described spring element (18) in side, described switch manipulator (24) does so use by this control device and described method of operation conversion equipment so that can not change to bistable state described switch manipulator (24) in the method for operation determined.
Description
Background technology
The present invention relates to a kind of door handle device for hand held power machine according to type described in independent claims.
By coming into force of jural requirement, the described jural shake required to include on the electric tool of manual guidance
, in the field of this theme, there is the meaning always becoming big in the restriction of dynamic situation.Exactly in heavy hammer drill and/or chisel hammer, by
In high one impulse intensity, vibration is clearly.Now, law-making stipulation, depend on the level of vibration of machine, user can use
Described machine continuous firing how long.If load exceedes the ultimate value determined by vibrations, then allow every day the time used corresponding
Ground reduces.
Therefore, when product development, take to reduce the measure of vibration more and more.Primary goal is, improves further
Handling comfort and remain relative, every day of tallying with the actual situation uses the time.In order to reduce the vibrations in hammer,
The part in most cases making machine movement is directly decoupled by the handle for operator.In described decoupled mode side
Face, market uses substantially different scheme.Except double type housing, most common method is to have to be connected with the elastic of hammer
Handle, so that the vibration occurred is decoupled with operator by spring assembly and vibration absorber.
Due to the rigidity needed, the against shock handle with elastic connection on hammer also causes the phase between hammer and handle
To motion as side effect.
Therefrom can again draw for the interface requirement between hammer and against shock handle:
To the greatest extent let it be allows for realizing the essence of hand held power machine in addition for decoupled elastic connection for-against shock handle
True guiding.
The connection of-against shock handle and guiding should not affect the size/length of hammer in terms of human factor engineering.
-when design is in the parts within against shock handle, to consider to come from the decoupled attached of hand held power machine
Add motion.
-must assure that dust-proof.
-method of operation conversion hammer switch according to hammer, particularly permutator function should be remained able in addition and realize
The stoppable of hammer switch.
Summary of the invention
The present invention relates to a kind of door handle device for hand held power machine, described hand held power machine has the method for operation
Conversion equipment and for driving the driving means of plug-in type instrument with the different method of operation, described door handle device has at least one
Individual spring element and have the handle unit at least can being arranged on machine case to finite motion, described handle unit passes through
At least one spring element is relative to described machine case vibration uncoupling at least in part and includes for making described driving fill
Putting the switch manipulator put into operation, wherein, described switch manipulator can not only monostable but also bistable state ground be opened at two
Change between off position.
Suggestion, described door handle device includes intermediate plate and controls device, and this intermediate plate is arranged in described machine case
And at least receive described spring element in side, described switch manipulator is changed with the described method of operation by this control device
Device so acts on so that can not change to bistable state described switch manipulator in the method for operation determined.Here, it is " single
Stable state " should be particularly understood that switch changer-over device has a stable position of the switch, dc-dc converter can be transformed into this position
Put or dc-dc converter can preferably automatically be returned in this position, and dc-dc converter especially must be protected by operator
Hold in the position of the switch that at least one is other.Here, " bistable state " should be particularly understood that switch manipulator has two and stablizes
The position of the switch, switch manipulator can be transformed in the described position of the switch.Switch manipulator is preferably configured as hand-held tool
The On-Off-On of machine closes.
The door handle device of the feature with independent claims according to the present invention is can simply install and with low cost
Mode solve proposed task.Here, described door handle device meets all to its requirement.
Drawn by the measure in the dependent claims and implemented in the following description of embodiment and want in independent right
The favourable expansion scheme of the feature be given in asking and improvement project.
Therefore, advise in addition, control device and be configured to drawstring.This drawstring is preferably able to by plastics or other for ability
The most significant material of field technique personnel is made.Described drawstring preferably has the cross section of substantial rectangular, described cross section
There is substantially sub-circular, especially circular median fiber.In addition, it is contemplated that, described median fiber has at least base
Tetragonal or hexagon or other cross section the most significant for those skilled in the art in basis.Described median fiber is excellent
Choosing is arranged at least partially serving as filling channel in injection process and/or constituting the longest and the narrowest the connecing with leaf spring
Touch line.Thereby, it is possible to realize configuration the most with low cost.
In addition advising, at least one spring element described is made up of leaf spring.Thus, enable in particular to realize the excellent of door handle device
Select scheme with low cost and the most simply install.
In addition advising, door handle device has at least one secondary spring element, and it is made up of elastomeric spring element.?
This, enable in particular to advantageously support the spring effect of the spring element being made up of leaf spring and be capable of door handle device especially to exist
Use in the relatively large and hand held power machine of relatively high power.
In addition advising, level time spring element is just loaded after the compression displacement determined.Suggestion, the bullet being made up of leaf spring
The spring stiffness of spring element so sets so that by between 2 millimeters and 10 millimeters, preferably between 3 millimeters and 7 millimeters, especially
The preferably compression displacement between 4 millimeters and 5 millimeters realizes the minimum operating pressure point for most of important applicable cases.From
Described pressure threshold rises, and secondary spring element functions to.The elastomeric spring element cubic deformation when compression is the biggest, secondary
Characteristic curve the most precipitous of level spring element.
Therefore, advise in addition, the such configuration of volume compression of elastomeric spring element so that exceeding minimum operating pressure
During point additionally compression 2 millimeters to 5 millimeters, especially 3 millimeters to 4 millimeters, the 70% of the initial volume of elastomeric spring element is pressed
Contracting.When compression 1 millimeter to 2 millimeters further, the most whole volume of elastomeric spring element is loaded, thus spring stiffness
Relatively quickly increase.This has the advantage that, i.e. when falling on against shock handle, very many energy can be received, thus
The component loaded with being impacted is loaded the least.
Accompanying drawing explanation
Other advantages draw from the following drawings illustrates.Embodiments of the invention shown in the drawings.Accompanying drawing, description and
Claim includes very combination of multiple features.Meeting destination, those skilled in the art the most individually observe described feature and combine
Become other combinations significant.
Accompanying drawing illustrates:
Fig. 1 a has the schematic side elevation of the hand held power machine of handle according to the present invention device,
The profile of the part of Fig. 1 b handle according to the present invention device,
The profile of the assembly of Fig. 2 handle according to the present invention device,
The profile of the part of Fig. 3 a handle according to the present invention device,
The profile of the assembly of Fig. 3 b handle according to the present invention device,
The profile of the part of Fig. 4 a handle according to the present invention device,
The profile of the part of the alternatively configuration of Fig. 4 b handle according to the present invention device,
The profile of the part of Fig. 4 c handle according to the present invention device,
The profile of the part of Fig. 5 handle according to the present invention device,
The perspective view of the part of the assembly of Fig. 6 a handle according to the present invention device,
The side view of the part of the assembly of Fig. 6 b handle according to the present invention device,
The side view of the part of the assembly of Fig. 6 c handle according to the present invention device,
The schematic diagram of the manipulation device of Fig. 7 a handle according to the present invention device,
The profile of the manipulation device of Fig. 7 b handle according to the present invention device,
The profile of the manipulation device of Fig. 7 c handle according to the present invention device,
The profile of the part of Fig. 8 a handle according to the present invention device,
The profile of the part of Fig. 8 b handle according to the present invention device,
The part of Fig. 8 c handle according to the present invention device profile during installation,
The schematic diagram of the part of Fig. 9 handle according to the present invention device,
The profile of the part of Figure 10 handle according to the present invention device,
The part of Figure 11 handle according to the present invention device along the profile of hatching XI-XI,
The profile of the part of Figure 12 a handle according to the present invention device,
The profile of the part of Figure 12 b handle according to the present invention device,
The exploded view of the part of Figure 13 handle according to the present invention device,
The profile of the part of Figure 14 a handle according to the present invention device,
The part of Figure 14 b handle according to the present invention device along the profile of hatching XIVb-XIVb, and
The profile of the part of Figure 15 handle according to the present invention device.
Detailed description of the invention
Fig. 1 is shown as hammer drill and/or the explanatory view of chisel hammer, the described hand-held of the example of hand held power machine 10
The tool retention apparatus 54 that toolroom machine has machine case 20, be movably arranged on machine case 20 connects for removably
Receive plug-in type instrument 16 and be received in driving means 14 in machine case 20, that there is driver element and gearbox unit and use
In driving plug-in type instrument 16 with the different methods of operation.Here, tool retention apparatus 54 is rotatably preferably placed in machine
On the side of housing 20.Additionally, in the example according to Fig. 1, opposed in the side with machine case 20 of machine case 20
Door handle device it is provided with on side.Door handle device includes the switch behaviour for making hammer drill and/or chisel hammer put into operation in this example
Vertical device 24.Switch manipulator 24 can not only monostable and also bistable state ground between two dislocation change.Additionally, at hammer
Bore and/or arrange on the machine case 20 of chisel hammer, especially adjustable ground is disposed with additional grip device 56.Hand held power machine 10
There is method of operation conversion equipment 12.Additionally, be disposed with the operating lever for method of operation conversion on machine case 20, behaviour
Author can by this operating lever for the plug-in type instrument 16 that is inserted in tool retention apparatus 54 in different driving sides
Select between formula.
Door handle device for hand held power machine 10 includes spring element 18 and at least can be arranged on limitedly moving
Handle unit 22 on machine case 20, this handle unit by spring element 18 relative to machine case 20 vibration decoupling and
Including the switch manipulator 24 for making driving means 14 put into operation.Handle unit 22 includes against shock handle 58.Additionally, hands
The formula machine tool device of holding has control device 28, makes switch manipulator 24 and method of operation conversion equipment 12 by this control device
So interact so that can not change to bistable state described switch manipulator 24 in the method for operation determined.Controller
Part 28 is configured to drawstring.Assembly the most shown in figure 2 is made up of following functions unit: intermediate plate 26, spring element 18 and
Conversion sliding assembly.Here, intermediate plate 26 is the central component of described assembly.Using against shock handle 58 and there is conversion
In the case of mechanical switch is handled, the structure of described assembly realizes a series of for changing the hand-held being made up of hammer simply
The probability of function present in toolroom machine 10.
The main task of intermediate plate 26 is to receive and guide springs element 18, as shown in Fig. 3 a and 3b.Bullet
Spring element 18 is clamped to be fixed on clamped position in against shock handle 58 and by profile by intermediate plate 26.Here, institute
Stating in profile abutment face preferably on intermediate plate 26 and realize, spring element 18 can be supported in described abutment face.Described take turns
Wide curve determines the rigidity of spring element 18, sweep and displacement.Spring element 18 is configured to leaf spring 32.
Additionally, intermediate plate 26 is used for receiving one or more secondary spring element or being used as one or more secondary spring element
Part 34,34 ', 34 " backstop, described secondary spring element can act as damping element.Secondary spring shown in Fig. 4 a to 4c
Element 34,34 ', 34 " it is contemplated that flexible program and configuration.Here, according to Fig. 4 a to 4c, there is brace rod 60 and framework 62
Bag portion be additionally used for being incorporated in intermediate plate 26 damping element.Here, secondary spring element 34,34 ', 34 " preferably may be used
By foamed materials, sponge rubber, foam rubber, other foamed artificial or natural foam, elastomer, TPE, rubber, gel or class
As elastomeric material constitute.Here, the degree of vibration damping or elasticity can regulate additionally by the volume of single chamber.Pass through frame
Frame 62 prevents stuck with other components of surrounding.
Therefore, elasticity and vibration damping are mainly by by spring element 18 and secondary spring element 34,34 ', 34 " receive in centre
Plate 26 mutually regulates.Producing compact assembly, this assembly is arranged for pre-assembled and by all for decoupled mutual
Affect important component to be formed integral with one another.This principle is used in the coordination of decoupled parts and becomes simply and in addition to open following
Probability: by leaving out assembly in the case of the biggest consuming, obtains the firm of handle unit 22 in the case of not conversion
The handle of property.
Additionally, the special configuration of intermediate plate 26 is capable of preferably guiding hand held power machine 10 and especially preventing
Operating physical force on vibrations handle 58 is better transmitted to the machine case 20 of hand held power machine 10.To this end, according to Fig. 5 at handle
In the upper region of housing 64 and in the junction with the driving means 14 including motor component, the support position of intermediate plate 26 and
The such configuration of acceptance division so that operating physical force can not filtered ground or non-vibration damping ground along from against shock handle 58 line of force out
It is delivered on hand held power machine 10.Thus, the good operation guide of hand held power machine 10 is drawn.
Intermediate plate 26 is arranged in machine case 20 and receives spring element 18 in side.Finally, at intermediate plate 26
Middle reception changes sliding assembly.Here, this conversion sliding assembly according to Fig. 6 a to 6c by change sliding component 66, drawstring 30 and compensate
Spring 68 forms.Especially when to switch manipulator 24 transmission switch-or transition shift, described conversion sliding assembly is except centre
Another important unit is also constituted outside plate 26.The control device 28 being configured to drawstring 30 is made of plastics.
Thus, the size-dependent worked the method for operation transition shift of switch manipulator 24 can be in only one
Component adjusts.Need the least structure space.Install simple.The head bearing widened on conversion sliding component 66 fills with guiding
Step portion/the level put prevents dust from entering between sliding surface in couples.Can avoid the most in principle owing to being clamped in conversion
The wrong function caused on sliding component 66.
The conversion sliding component 66 of the bending of z shape can be slided in intermediate plate 26 by simple sliding motion and pass through
The grab Connection Card not being shown specifically is locked in the installation site of setting.In addition, it is contemplated that, the conversion sliding of z shape bending
Part 66 can be rotated in intermediate plate 26 by simple oscillating motion.During whole pre-installation, the length each other of guide surface
Degree relation is used to feel relieved the most in advance.Thereby eliminating the danger of mistake assembling.
According to document 19720947A1, in order to run type and change hammer switch relatively, it is necessary to need to by displacement and power by
On the transducer of the switch operator that operating lever interference-free is transferred mechanically in handle, explicitly refer to above-mentioned literary composition at this
The disclosure offered.In the case of combined with against shock handle, open up and be similar to publication DE102010038753A1's
Solution, wherein, in the fiber of the centre that drawstring is arranged in handle motion device.
But, friction loss, the deformation of spring element 18 and manufacture process aspect make the realization of this programme in practice
Become difficulty.
For this reason, for the enforcement of drawstring 30, material and physical dimension are particular importances.As material,
Plastics provide the most multiple change, in order to by low friction valve and good emergency operating characteristic and low dirt sensitivity system
One.Therefore, plastics are very suitable materials essentially for this application.
In order to fully realize the rigidity for transmitting pulling force, and do not lose simultaneously by spring element 18 take flexible
Property, cross section relation is conclusive.
The band cross section of drawstring 30 must the most flattened extend to length in terms of height and for this in terms of width.?
In the structure of this example, there is the rectangular cross section of length of side ratio 1:10 and substantially sub-circular, especially circular middle fibre
Dimension selects (see Fig. 7 a to 7c) in combination, but, the cross section at the angle and/or different length of side ratios with rounding also is able to tool
Have advantage, described length of side ratio especially between 1:1 to 1:20, particularly preferred 1:5 to 1:15 in the range of.
Face percentage ratio can regulate in the range of the total length of drawstring 30 changeably, but, summation must be kept in balance.By
This, is although using ring and transfer, always but the tension force remained unchanged in drawstring 30.Can ensure that the uniform negative of material
Lotus.
The change of face percentage ratio is also beneficial to rigidity and elasticity.Substantially sub-circular, especially circular part is used for
Fill mould in the fabrication process and advantageously improve intensity simultaneously.
Due to manufacturing tolerance, the change of thermoelasticity length, vibration/recrystallization and the notable flowing of plastics when drawstring 30 stand under load
Characteristic, when the pulling force transmitted on the drawstring 30 being made of plastics and displacement, difference is added, and described difference can only have bar with mechanical path
Guarantee to switch the reliable of manipulator 24 and satisfied function part.
Fig. 6 a is seen by means of counterbalance spring 68() described difficulty can be solved simply.
In terms of the pretension of counterbalance spring 68, realize buffer by the loading state in conversion sliding component 66, described
Buffer can compensate for all inaccuracy of the manufacture from the drawstring 30 being made of plastics and mechanical property.
To this end, drawstring 30 must have the body for receiving counterbalance spring 68 and exist by means of two Rotation of receiver portions
Conversion sliding component 66 is reliably received/guided.Conversion sliding component 66 makes counterbalance spring 68 support on the opposite sides and lead to
Cross installation length and determine the degree of compensation.
Now, when manipulation transforms device, displacement is delivered to drawstring 30 and switch relatively from conversion sliding component 66 and power
Manipulator 24(is shown in Fig. 8 a and 8b).Described coupling is no longer rigidity but linear-elastic.Conversion sliding component 66 and switch behaviour
Vertical device 24(its form hammer switch) on shifter lever between displacement be so designed that so that be always to maintain in counterbalance spring 68
Certain deposit.The deposit being made up of the length of counterbalance spring 68 that is in operation can be used in tolerance balancing and compensates by plastics
Heat on the drawstring 30 made, elastic and plasticity length changes.Overload protection is guaranteed and passes through counterbalance spring
Pulling force is applied on drawstring 30 by 68 now in a deterministic manner.
In order to install simply, conversion sliding component above arrange an opening in guide and giving drawstring
30 1 it is connected, namely arranges one and be connected (see Fig. 8 c).Drawstring 30 is in terms of width and in conversion sliding component 66
Acceptance division is coordinated mutually.Thus, drawstring 30 can be simply to guide through the reception in conversion sliding component 66 together with counterbalance spring 68
Portion.By in the power drawn on direction arranged, component is then automatically pulled it and loads in position and remain fixed in wherein.
Additionally, in order to the most dust-proof, be provided above labyrinth-type excluder 70 at intermediate plate 26, it extends inward use
The machine case 20 of beater mechanism housing and case lid, the driving means including motor sub-assembly and against shock handle is included in hiding
58(is shown in Fig. 9).Labyrinth-type excluder 70 extend at transition part in the parts of surrounding and is switched by hammer in conversion especially
The most dust-proof and reliable operation it is responsible for during the switch manipulator 24 constituted.Thus, it is not necessary to additional potted component.
Another aspect of the present invention relates to following situation, i.e. in relatively large and powerful hand held power machine 10,
Such as in heavy hammer drill and chisel hammer, described above fixing between against shock handle 58 and machine case 20 of leaf spring 32
Enough.Here, such as leaf spring 32 is enough as unique spring element.Must also be at machine case 20 and leaf spring
Additional secondary spring element 34 is loaded, in order to supported the spring effect of soft leaf spring 32 between 32.Secondary spring element 34
It is made up of elastomeric spring element 36 respectively.
According to publication DE102006029630A1, leaf spring can by clamping element and spiral lamina only at dorsal part in function
Above or with power load.The side towards utensil side of leaf spring can not import holding or fixing function or power.Thus, the present invention
It is by the extension of solution disclosed in publication DE102006029630A1, in order to even if at relatively large and powerful hands
Hold the against shock handle solution also being able to realize advising there in formula toolroom machine.
The against shock handle 58 kept by operator includes being configured to the switch manipulator 24 of On-Off-On pass and passing through
The spiral of the handle shell of against shock handle 58 connects to rear enclosed.
Above, leaf spring 32 clamps between against shock handle 58 and two spiral laminas 48.Two spiral laminas 48 are laterally
It is pulled on leaf spring 32 in both sides on direction.Thus, two spiral laminas 48 wrap on all direction in spaces towards against shock handle 58
The upper clamping region 50 of coaming plate spring 32, except the region that reclines.This guarantees persistently and stably to surround leaf spring 32.At spiral lamina 48
In there is spiral cover 52, this spiral cover connects described spiral lamina 48 and and then by leaf spring 32 and against shock handle 58 for spiral
Fixing.Spiral lamina 48, leaf spring 32, against shock handle 58 and the corrugated tube 72 being clamped constitute fixed system, and this fixed system leads to
Cross positive and force closure is advantageously combined.Described shape is sealed by holding cover that is that support each other and that penetrate and muscle
Constitute, thus described force closure only has fixing function and main power and received by the positive of component.
Apparent advantage is that before a region of the spiral lamina 48 of leaf spring 32 of the spiral lamina 48 being brought in both sides
The functional surfaces that face and the side realization in a region add.
In front area, spiral lamina 48 is constructed so as to so that it can receive described additional secondary spring element 34.Remove
Outside spring-reception, spiral lamina 48 also has additional function.In order to prevent the tear and and then also of against shock handle 58
Preventing the overload of leaf spring 32, spiral lamina 48 to have lateral abutment face, described abutment face is supported on two at dorsal part and is configured to shell
On the backboard 38 of body backboard.Thus, against shock handle 58 has the backstop of dorsal part that is stable and that determine.Another of spiral lamina 48
Function is laterally to guide relative to the secondary spring element 34 being made up of elastomer and hide the controller being made up of drawstring 30
Part 28.During chisel pricker, blocked by drawstring 30 and closed, by On-Off-On, the switch manipulator 24 constituted, thus operator need not hold
Continuous ground is by the manipulator 24 that compresses switch.Drawstring 30 allows for smoothly sliding on leaf spring 32 and not allowing to be stuck or press from both sides
Live.
When being shifted onto together on leaf spring 32 by two spiral laminas 48, drawstring 30 is enclosed in the well columnar structure of spiral lamina 48
In.Corrugated tube 72 is enclosed in against shock handle 58 also by spiral lamina 48.Additionally, spiral lamina 48 indulging at against shock handle 58
Also terminal backstop is constituted on direction and short transverse.
Following leaf spring clamping device is advantageously integrated in the spiral connection system device of backboard 38 and machine case 20
(see Figure 14 a and 14b).The backboard of single type is divided into the backboard 38 of two specular before, so as to meet required
All functions, good installability and the final molding of instrument.
As in publication DE102006029630A1, when mounted, by two backboards 38 are pushed together, will
Have been mounted to the corrugated tube 72 on against shock handle 20 and dolly (not shown) surrounds.Owing to needs make leaf spring 32 pre-
Tightly, leaf spring 32 is a little prominent from the backboard 38 being made up of housing backboard.In order to leaf spring 32 is simply depressed into when mounted
In its run location, latch plate 40 is inserted into the backboard 38 being configured to housing backboard above with its two holding muscle 42
In two corresponding retention grooves 44 and then opposing Flat spring tension turning out backward on the direction of backboard 38.In order to protect
Holding this position, integrated two grabs 46 in backboard 38, described grab snaps to protect in latch plate 40 and by described latch plate
Hold in installation site.Then, this complete door handle device being configured to handle assembly so pre-installed can installed
Line is applied on core utensil.
In order to clamp described leaf spring 32, use the element of not only force closure but also positive.As positive, leaf spring
32 have two Chuan Kou and a zigzag part 74 on its lower end.Leaf spring 32, latch plate 40 and machine case 20 are by machine
Strung on two covers of the respective side of the backboard 38 that housing is constituted.Additionally, latch plate 40 also wraps holds the two of machine case 20
Individual spiral cover.The zigzag part 74 of leaf spring 32 is clamped between backboard 38 and latch plate 40.By the backboard being made up of housing backboard
38 are connected with the spiral of machine case 20, and all of parts are clamped each other.Favourable mutually nested by component, formation is held
Long connection, this is connected in the hand held power machine 10 being made up of impact type electric driven instrument also sustain big vibration and bears
Carry.
Even if in spiral connects due to sedimentation or get loose process and in the case of pretension loss occurs, described connection also base
It is maintained in described positive.Latch plate 40 is such configuration in terms of its height profile so that leaf spring 32 is in its length
About 25% on clamp regularly below.Remaining length freely can be stretched out when compression.
Another aspect of the present invention is the leaf spring 32 as primary spring element and at least one other secondary spring element
The combination of part 34, but, this secondary spring element is just loaded after certain compression displacement.
Figure 15 illustrates the cross section of the upper area of the against shock handle 58 with leaf spring 32 and secondary spring element 34.Spiral shell
Rotating plate 48(surrounds leaf spring 32 by described spiral lamina) it is constructed so as to forward so that described spiral lamina can also receive one
Or described additional secondary spring element 34.In the shown embodiment, such as at spiral lamina 48 or leaf spring 32 and latch plate
The profiled elastomer element of a foaming is put between 40.Profiled elastomer element is configured to elastomeric spring element 36 and structure
Become secondary spring element 34.
The profiled elastomer element of foaming has the advantage manufactured inexpensively by continuous print extruding injection process,
And then the structure length needed it is cut to.Additionally, the profiled elastomer element of described foaming can be almost in all spaces
Working on direction, namely they have preferred orientations unlike such as helical compression spring.
When load is in more than optimal operating pressure point, the favourable secondary bullet being configured to elastomeric spring element 36
Leaf spring 32 supported by spring element 34.This optimal operating pressure point is minimum pressure, and this minimum pressure is must be just by operator
Apply so that the hand held power machine 10 being made up of hammer drill implements regular and good impact operation.This operation pressure
Power depends on the power grade of hand held power machine 10 and corresponding service condition.
It is to say, the gap of the determination by arranging elastomeric spring element 36 between abutment face, produce at least two
The spring characteristic line of level.Before operating pressure point, only leaf spring 32 works such that it is able to realize having low level of vibration
The extraordinary decoupling of against shock handle 58.Because leaf spring 32 has low-down damping constant, the most special
It not to also achieve good decoupling.Then, in the case of pressure is excessive or hand held power machine 10 is with against shock handle 58
When falling, elastomeric spring element 36 receives the major part of load.
Suggestion, the spring stiffness of leaf spring 32 so sets so that by between 2 millimeters and 10 millimeters, preferably 3 millimeters and 7
Compression displacement between Hao meter, between particularly preferred 4 millimeters and 5 millimeters just can for most of important applicable cases times
Little operating pressure point.From described pressure threshold, secondary spring element 34 functions to.Elastomeric spring element 36 is in compression
Time cubic deformation the biggest, the characteristic curve of secondary spring element 34 the steepest.The most in addition advise, elastomeric spring element 36
The such configuration of volume compression so that additionally compress 2 millimeters to 5 millimeters, especially 3 millimeters extremely exceeding minimum operating pressure point
When 4 millimeters, the 70% of the initial volume of elastomeric spring element 36 is compressed.When compression 1 millimeter to 2 millimeters further, elastic
The most whole volume of body spring element 36 is loaded, thus spring stiffness relatively quickly increases.This has the advantage that, i.e. with
When against shock handle 58 falls, very many energy can be received, thus the component stand under load that the formula that is knocked loads is the least.Described
Compression property also be able to be produced by the moulding targetedly of elastomeric spring element 36 or support.Accordingly it is also possible to structure
The profile that build blown tubular or other can produce with extrusion process.Here, elastomeric spring element 36 is preferably by foaming
Elastomer (foam rubber) make, its with continuous print extruding injection process make, be then cut off.
Claims (8)
1., for a door handle device for hand held power machine (10), described hand held power machine has method of operation conversion equipment
(12) with for driving the driving means (14) of plug-in type instrument (16) with the different method of operation, described door handle device have to
A few spring element (18) and have and at least can be arranged on to finite motion the handle unit (22) on machine case (20),
Described handle unit passes through at least one spring element (18) relative to described machine case (20) vibration uncoupling at least in part
And including the switch manipulator (24) for making described driving means (14) put into operation, wherein, described switch manipulator
(24) can not only monostable and also bistable state ground between two position of the switch change, described door handle device also has intermediate plate
(26) and control device (28), described intermediate plate is arranged in described machine case (20) and at least receives in side described
Spring element (18), described switch manipulator (24) is so made with described method of operation conversion equipment by described control device
With so that can not change to bistable state described switch manipulator (24) in the method for operation determined, it is characterised in that described
Controlling device (28) and be configured to drawstring (30), described drawstring is described at least one spring element (18) being made up of leaf spring (32)
Upper slip.
Door handle device the most according to claim 1, it is characterised in that described intermediate plate (26) has conversion sliding assembly,
Described conversion sliding assembly is made up of drawstring (30), conversion sliding component (66) and the counterbalance spring (68) for drawstring (30).
3. according to the door handle device according to any one of the claims, it is characterised in that at least one secondary spring element
(34), described secondary spring element is made up of elastomeric spring element (36).
Door handle device the most according to claim 3, it is characterised in that described secondary spring element (34) is in the compression determined
Just it is loaded after displacement.
5. a hand held power machine (10), has according to the door handle device according to any one of the claims.
Hand held power machine the most according to claim 5, it is characterised in that described hand held power machine (10) includes hammer drill
And/or chisel hammer.
7. the drawstring according at least to the door handle device described in claim 1 (30), described drawstring is made of plastics.
Drawstring the most according to claim 7 (30), it is characterised in that the cross section of substantial rectangular, described transversal mask
There is the median fiber of substantially similar round.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011082093A DE102011082093A1 (en) | 2011-09-02 | 2011-09-02 | Handle device for a hand tool |
| DE102011082093.0 | 2011-09-02 | ||
| PCT/EP2012/067035 WO2013030381A1 (en) | 2011-09-02 | 2012-08-31 | Handle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103764350A CN103764350A (en) | 2014-04-30 |
| CN103764350B true CN103764350B (en) | 2016-10-26 |
Family
ID=47146340
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280042543.9A Active CN103796800B (en) | 2011-09-02 | 2012-08-31 | Handle device |
| CN201280042520.8A Active CN103764350B (en) | 2011-09-02 | 2012-08-31 | Door handle device |
| CN201280042590.3A Pending CN103781597A (en) | 2011-09-02 | 2012-08-31 | Handle device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280042543.9A Active CN103796800B (en) | 2011-09-02 | 2012-08-31 | Handle device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280042590.3A Pending CN103781597A (en) | 2011-09-02 | 2012-08-31 | Handle device |
Country Status (4)
| Country | Link |
|---|---|
| EP (4) | EP2750834B1 (en) |
| CN (3) | CN103796800B (en) |
| DE (1) | DE102011082093A1 (en) |
| WO (4) | WO2013030381A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2813326A1 (en) * | 2013-06-13 | 2014-12-17 | HILTI Aktiengesellschaft | Machine tool |
| JP6105454B2 (en) * | 2013-11-26 | 2017-03-29 | 株式会社マキタ | Work tools |
| DE102022206667A1 (en) * | 2022-06-30 | 2024-01-04 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL290159A (en) * | 1962-03-13 | |||
| EP0391856A3 (en) * | 1989-04-07 | 1992-07-08 | SIG Schweizerische Industrie-Gesellschaft | Pneumatic hammer |
| US5697456A (en) * | 1995-04-10 | 1997-12-16 | Milwaukee Electric Tool Corp. | Power tool with vibration isolated handle |
| DE19720947B4 (en) | 1996-06-15 | 2005-07-28 | Robert Bosch Gmbh | Electric combination hammer |
| DE10034768A1 (en) * | 2000-07-18 | 2002-02-07 | Bosch Gmbh Robert | Combination electric hand tool operating as hammer drill or electric chisel, has pivoted jaw catch mechanism with blocking component in handle |
| DE10036078B4 (en) * | 2000-07-25 | 2007-04-05 | Robert Bosch Gmbh | Hand tool machine with a handle and an insulating device |
| DE10259566A1 (en) * | 2002-12-19 | 2004-07-01 | Hilti Ag | Hitting electric hand machine tool |
| DE102004061521A1 (en) * | 2004-12-21 | 2006-06-29 | Hilti Ag | Tool device with decoupled main handle |
| DE102006029630A1 (en) | 2006-06-28 | 2008-01-03 | Robert Bosch Gmbh | Hand tool |
| DE102007001591A1 (en) * | 2007-01-10 | 2008-07-17 | Aeg Electric Tools Gmbh | Portable, hand-held machine tool |
| DE102007000362A1 (en) * | 2007-07-02 | 2009-01-08 | Hilti Aktiengesellschaft | Vibrating hand tool with a lock switch of the engine switch |
| DE202008008844U1 (en) * | 2008-09-22 | 2008-11-20 | Einhell Germany Ag | Hand tool |
| DE102010038750A1 (en) * | 2010-08-02 | 2012-02-02 | Robert Bosch Gmbh | Electric power tool with lockable rocker switch |
| DE102010038753A1 (en) | 2010-08-02 | 2012-02-02 | Robert Bosch Gmbh | Anti-vibration handle with train-loaded switch connection |
| DE102010063962A1 (en) * | 2010-12-22 | 2012-06-28 | Robert Bosch Gmbh | Lockable electrical switch |
-
2011
- 2011-09-02 DE DE102011082093A patent/DE102011082093A1/en not_active Withdrawn
-
2012
- 2012-08-31 WO PCT/EP2012/067035 patent/WO2013030381A1/en unknown
- 2012-08-31 EP EP12797722.1A patent/EP2750834B1/en active Active
- 2012-08-31 CN CN201280042543.9A patent/CN103796800B/en active Active
- 2012-08-31 WO PCT/EP2012/067036 patent/WO2013030382A1/en unknown
- 2012-08-31 CN CN201280042520.8A patent/CN103764350B/en active Active
- 2012-08-31 EP EP12809620.3A patent/EP2750837B1/en active Active
- 2012-08-31 CN CN201280042590.3A patent/CN103781597A/en active Pending
- 2012-08-31 WO PCT/EP2012/067034 patent/WO2013030380A1/en unknown
- 2012-08-31 WO PCT/EP2012/067030 patent/WO2013030377A1/en unknown
- 2012-08-31 EP EP12783534.6A patent/EP2750835B1/en active Active
- 2012-08-31 EP EP12790435.7A patent/EP2750836B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2750835A1 (en) | 2014-07-09 |
| WO2013030381A1 (en) | 2013-03-07 |
| WO2013030377A1 (en) | 2013-03-07 |
| EP2750835B1 (en) | 2022-12-28 |
| CN103764350A (en) | 2014-04-30 |
| CN103796800B (en) | 2017-02-15 |
| WO2013030382A1 (en) | 2013-03-07 |
| CN103796800A (en) | 2014-05-14 |
| WO2013030380A1 (en) | 2013-03-07 |
| EP2750834A1 (en) | 2014-07-09 |
| EP2750834B1 (en) | 2022-01-19 |
| EP2750836A1 (en) | 2014-07-09 |
| DE102011082093A1 (en) | 2013-03-07 |
| EP2750837B1 (en) | 2019-08-14 |
| EP2750837A1 (en) | 2014-07-09 |
| EP2750836B1 (en) | 2020-02-26 |
| CN103781597A (en) | 2014-05-07 |
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| C14 | Grant of patent or utility model | ||
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