CN209063028U - A kind of quick clamping device and the electric tool with the quick clamping device - Google Patents
A kind of quick clamping device and the electric tool with the quick clamping device Download PDFInfo
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- CN209063028U CN209063028U CN201821897313.1U CN201821897313U CN209063028U CN 209063028 U CN209063028 U CN 209063028U CN 201821897313 U CN201821897313 U CN 201821897313U CN 209063028 U CN209063028 U CN 209063028U
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- connecting rod
- clamping device
- quick clamping
- turning set
- fastly
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Abstract
The utility model discloses a kind of quick clamping device, including collet connecting rod, the peripheral part of collet connecting rod, which is equipped with, is used for circumferentially positioned gear ring, and master positioning face is equipped between gear ring and one end of collet connecting rod；Turning set, turning set include for the tooth socket with gear ring engaged transmission and the location hole for cooperating with master positioning face；It is equipped between collet connecting rod and turning set for making collet connecting rod and turning set can closure circumferential sealed and that locked state can be released.The structure is simple, easy to process, and stable transmission, and output accuracy is high, can reduce fraction defective.The invention also discloses a kind of electric tools including above-mentioned quick clamping device.
Description
Technical field
The utility model relates to power tools technology fields, more specifically to a kind of quick clamping device.In addition,
The utility model further relates to a kind of electric tool including above-mentioned quick clamping device.
Background technique
During electric tool is widely used in production and lives.Electric tool generally includes mounting working chuck and fuselage two parts,
Common electric tool mounting working chuck has the lesser drill point connector of impact force and the biggish hammer folder connector of impact force.It is general next
It says, electric tool mounting working chuck realizes its being detachably connected between fuselage body by quick clamping device, to realize pair
The quick-replaceable of electric tool mounting working chuck, to meet different process requirements.
Quick clamping device in the prior art generally comprises the collet connecting rod for connecting electric tool mounting working chuck
With the turning set for connecting fuselage body.Collet connecting rod generally includes the external splines for transmitting torque and is located at outer
Two positioning cylindrical surfaces of spline two sides, turning set are equipped with for the internal spline with external splines engaged transmission and are located at interior flower
Key two sides for respectively with two location holes of two positioning cylindrical surface clearance fits, the positioning cylinder of external splines and wherein side
The holding tank for accommodating closure is equipped between face.When installation, quick clamping device mainly pass through two positioning cylindrical surfaces with
Two location holes carry out cooperation positioning, and realize the sealed connection between collet connecting rod and turning set by closure, with reality
Now move the output of (rotary motion or pumping).
It should be noted that in existing processing technology, two positioning cylindrical surfaces in collet connecting rod need in two times into
Row processing, and the stable drive in order to ensure output end, the two positioning cylindrical surfaces need to meet concentric setting, machining accuracy
It is required that especially high.If machining accuracy is unsatisfactory for, cooperation precision of the positioning cylindrical surface with corresponding location hole, setting circle will affect
Cylinder and the gap of corresponding location hole are excessive, are easy to cause to export the problems such as ending pulsation is big or output end swing is big, be unfavorable for
Operator's control, and then influence the quality and effect of drilling；Positioning cylindrical surface and the gap of corresponding location hole are too small, then may
It will appear the problem that collet connecting rod can not be packed into turning set, cause product bad product rate to increase, to influence the life of enterprise
Produce benefit.And in order to guarantee machining accuracy, inconvenience is brought to processing and manufacturing, processing and manufacturing difficulty is big.
In conclusion how to provide one kind not only can guarantee machining accuracy but also quick clamping device easy to process, it is current
Those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, structure is simple the purpose of the utility model is to provide a kind of quick clamping device, it is easy to process, and
It can guarantee its machining accuracy.
The another object of the utility model is to provide a kind of electric tool including above-mentioned quick clamping device, output end
Stability it is good, high transmission accuracy.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of quick clamping device, comprising:
Collet connecting rod, the peripheral part of the collet connecting rod, which is equipped with, is used for circumferentially positioned gear ring, the gear ring and institute
It states and is equipped with master positioning face between one end of collet connecting rod；
Turning set, the turning set include for the tooth socket with the gear ring engaged transmission and being used for and the master positioning face
The location hole of cooperation；
It is equipped between the collet connecting rod and the turning set for making the collet connecting rod and the turning set can
Closure circumferential sealed and that locked state can be released.
Preferably, the closure includes:
For making the collet connecting rod and circumferentially sealed at least one sphere of the turning set, the turning set is equipped with
Pilot hole for the sphere to be arranged and intersects vertically with the location hole, the pilot hole and the location hole intersection
Diameter is less than the diameter of the sphere, and the master positioning face is equipped with the extension that the pilot hole is stretched out for accommodating the sphere
Deep gouge；
For the sphere to be limited in the limit assembly of the junction of the pilot hole and the deep gouge；
It is connected with the limit assembly, for being in restriction site or non-by rotation or the mobile control limit assembly
Restriction site connects cutting ferrule, the peripheral part for connecing cutting ferrule fastly and being sheathed on the turning set fastly.
Preferably, the limit assembly includes:
It is sheathed on the turning set and the shelves ring connect between cutting ferrule fastly, the inner wall for connecing cutting ferrule fastly is equipped with for pushing away
Move the shelves ring shoulder block mobile relative to the turning set；
Be connected with the shelves ring, the elastic component for driving the shelves ring to reset, the other end of the elastic component with it is described
The fixing piece of turning set is connected.
Preferably, it is described connect fastly between cutting ferrule and the turning set be equipped with prevent the cutting ferrule that connects fastly from the turning set
The locating piece to fall off.
Preferably, the locating piece is the shaft block ring set on the front end for connecing cutting ferrule fastly, and the shaft block ring is solid
Due in the annular groove on the turning set.
Preferably, the shaft block ring and it is described connect to be equipped between cutting ferrule fastly described connect cutting ferrule and the axis fastly for mitigating
Cutting ferrule baffle is connect fastly with the friction between retaining ring.
Preferably, the gear ring is several double wedges for protruding the collet connecting rod peripheral part.
Preferably, the gear ring is punching press gear ring.
Preferably, the lateral wall of the collet connecting rod is equipped with the annular boss portion for protruding from its lateral wall, described convex
Tooth protrusion is set to the surface in the annular boss portion.
A kind of electric tool, including the different mounting working chuck of fuselage body and at least two, any mounting working chuck is logical
Quick clamping device to be crossed to be connected with the fuselage body, the quick clamping device is any one of the above quick clamping device,
The collet connecting rod of the quick clamping device can be connected with any mounting working chuck, the turning set of the quick clamping device
It is connected with the fuselage body.
Quick clamping device provided by the utility model, using matching for gear ring and tooth socket and master positioning face and location hole
The complete positioning for realizing collet connecting rod and turning set is closed, and after the two positions completely, collet connecting rod is made using closure
With the circumferentially sealed fixation of turning set, with realize the movement on turning set (rotary motion or pumping) to collet connect
Output on bar.
As can be seen that the utility model is total by the circumferential locking action of the engaged transmission and closure of gear ring and tooth socket
On the one hand simultaneous interpretation torque delivery improves the stability of structure, ensure that transmission accuracy, improves output accuracy；On the other hand big
The torque loads at output position are increased greatly, meanwhile, dual torque positioning reduces the torque carrying abrasion condition at output position,
Sufficiently improve the service life of collet connecting rod.
In addition, compared with the prior art using intermediate spline and positioned at two positioning cylindrical surfaces of intermediate spline two sides and two
The cooperation positioning method of a location hole, the utility model is engaged using gear ring with tooth socket end and individually master positioning face and positioning
The cooperation positioning method in hole, on the one hand, gear ring and tooth socket end engagement structure compared to intermediate external splines and internal spline knot
Structure is simple, and easy to process, it is not necessary to as being limited when processing intermediate spline in the prior art by two sides positioning cylindrical surface, therefore,
Processing cost is low；On the other hand, the utility model is positioned only with a pair of of shaft hole matching, i.e. the cooperation in master positioning face and location hole
Two grades of cylinders in the prior art positioning is changed to one grade of cylinder positioning, without considering wanting to moderate for two positioning surfaces by positioning
It asks and therefore the requirement of the concentricity of two pairs of shaft hole matchings further reduced difficulty of processing, and a pair of of shaft hole matching increases and matches
Area is closed, transmission accuracy and output accuracy is further improved, reduces fraction defective.
Electric tool provided by the utility model, including above-mentioned quick clamping device can quickly be realized to filing appliance
The installation or removal of head (drill point connector or hammer folder connector), while stability when mounting working chuck operating is improved, it reduces
It produces and processes cost.In addition, different electric tool mounting working chucks (drill point connector or hammer folder connector) is using above-mentioned
Quick clamping device can be realized the quick-replaceable between different electric tool mounting working chucks, to realize a tractor serves several purposes, enrich
The function of electric tool product is conducive to the economic benefit for improving enterprise.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the explosive view with electric tool specific embodiment provided by the utility model；
Fig. 2 is that hammer folder connector combines the diagrammatic cross-section after installation with quick clamping device；
Fig. 3 is that drill point connector combines the diagrammatic cross-section after installation with quick clamping device；
Fig. 4 is the structural schematic diagram of hammer folder connector；
Fig. 5 is the perspective view of the explosion of hammer folder connector；
Fig. 6 is the structural schematic diagram of hammer folder connecting rod；
Fig. 7 is the structural schematic diagram of drill point connector；
Fig. 8 is the perspective view of the explosion of drill point connector；
Fig. 9 is the structural schematic diagram of the fuselage body with turning set；
Figure 10 is the perspective view of the explosion of the fuselage body with turning set.
In Fig. 1-10:
1 it is collet connecting rod, 11 be deep gouge, 12 be annular boss portion, 13 be gear ring, 2 be turning set, 21 is sphere, 22
For pilot hole, 23 be tooth socket, 3 be connect fastly cutting ferrule, 4 be a grade ring, 5 be spring, 6 be shaft block ring, 7 be to connect cutting ferrule baffle fastly, 8 be
Hammer folder connector, 81 be hammer press from both sides connecting rod, 9 be drill point connector, 91 be drill point connecting rod, 10 be fuselage body.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of quick clamping device, and structure is simple, easy to process, and can guarantee it
Machining accuracy.Another core of the utility model is to provide a kind of electric tool including above-mentioned quick clamping device, output
The stability at end is good, high transmission accuracy.
Fig. 1-10 is please referred to, Fig. 1 is that the structure of the specific embodiment with electric tool provided by the utility model is shown
It is intended to；Fig. 2 is that hammer folder connector combines the diagrammatic cross-section after installation with quick clamping device；Fig. 3 is for drill point connector and fastly
Diagrammatic cross-section after the combination installation of quick-mounting clamp device；Fig. 4 is the structural schematic diagram of hammer folder connector；Fig. 5 is hammer folder connector
Structure explosion diagram；Fig. 6 is the structural schematic diagram of hammer folder connecting rod；Fig. 7 is the structural schematic diagram of drill point connector；Fig. 8 is to bore
Press from both sides the Structure explosion diagram of connector；Fig. 9 is the structural schematic diagram of the fuselage body with turning set；Figure 10 is with turning set
The Structure explosion diagram of fuselage body.
Quick clamping device provided by the utility model, including collet connecting rod 1, turning set 2 and closure, collet connection
The peripheral part of bar 1, which is equipped with, is used for circumferentially positioned gear ring 13, and master positioning is equipped between gear ring 13 and one end of collet connecting rod 1
Face；Turning set 2 includes for the tooth socket 23 with 13 engaged transmission of gear ring and the location hole for cooperating with master positioning face；Closure
For making collet connecting rod 1 and turning set 2 can be circumferential sealed and locked state can be released.
It should be noted that the quick clamping device is mainly used for electric tool, for realizing the fuselage sheet of electric tool
The connection of body 10 and mounting working chuck is particularly suitable for the multifunctional motor-driven work that different operating collet shares same fuselage body 10
Tool, in order to the quick-replaceable of different operating collet.
It is understood that the location hole of the master positioning face of 1 lateral wall of collet connecting rod and 2 inner sidewall of turning set is gap
Cooperation realizes the cooperation positioning of the two in order to which master positioning face can successfully be packed into positioning hole；Meanwhile master positioning face and
Location hole has enough lengths of fit, to guarantee the accurate positionin of the two, so that limiting collet connecting rod 1 relatively rotates set 2
Two rotational freedoms and two one-movement-freedom-degrees, that is, limit collet connecting rod 1 done along the axis direction perpendicular to location hole
Translational motion and around the axis perpendicular to location hole shaft rotate.
The tooth socket of 2 inner sidewall of gear ring and turning set of 1 lateral wall of collet connecting rod engages, for realizing collet connecting rod 1
It is circumferentially positioned with turning set 2, set 2, which is relatively rotated, to limit collet connecting rod 1 rotates around the axis of location hole.
Meanwhile gear ring 13 is located at the one end in master positioning face, for limiting the length of fit in master positioning face and location hole, thus
It limits collet connecting rod 1 and relatively rotates set 2 and move automatic degree along the axis direction of location hole.
That is, the utility model realizes collet using the cooperation of gear ring 13 and tooth socket 23 and master positioning face and location hole
The complete positioning of connecting rod 1 and turning set 2, and after the two positions completely, collet connecting rod 1 and turning set are made using closure
2 circumferential sealed fixations, to realize the movement (rotary motion or pumping) on turning set 2 in collet connecting rod 1
Output.
As can be seen that circumferential direction sealed work of the utility model by the engaged transmission and closure of gear ring 13 and tooth socket 23
With common transmitting torque, the stability of structure is on the one hand improved, ensure that transmission accuracy, improves output accuracy；Another party
Face considerably increases the torque loads at output position, meanwhile, dual torque positioning reduces the torque carrying abrasion at output position
Situation sufficiently improves the service life of collet connecting rod 1.
In addition, compared with the prior art using intermediate spline and positioned at two positioning cylindrical surfaces of intermediate spline two sides and two
The cooperation positioning method of a location hole, the utility model is engaged using gear ring 13 with 23 end of tooth socket and single master positioning face
With the cooperation positioning method of location hole, on the one hand, gear ring 13 and the structure of 23 end of tooth socket engagement compared to intermediate external splines and
The structure of internal spline is simple, and easy to process, it is not necessary to by two sides positioning cylindrical surface when as processing intermediate spline in the prior art
Limitation, therefore, processing cost is low；On the other hand, the utility model is positioned only with a pair of of shaft hole matching, i.e. master positioning face and fixed
Two grades of cylinders in the prior art positioning is changed to one grade of cylinder positioning, without considering two positioning surfaces by the cooperation positioning in position hole
Moderate is required and therefore the requirement of the concentricity of two pairs of shaft hole matchings further reduced difficulty of processing, and a pair of of axis hole is matched
Conjunction increases length of fit, further improves transmission accuracy and output accuracy, reduces fraction defective.
Preferably, tooth socket 23 is located at the front end of turning set 2.It should be noted that the front end of turning set 2 refer to relative to turn
The free end of dynamic set 2 and 10 link position of fuselage body.2 free end of turning set why is selected, is turned because tooth socket is set to
The free end of dynamic set 2 is easy to process and installs.Certainly, it is also possible to can be realized the position being fixedly connected for other.
In view of simple and the being easy to implement property of closure specific structure, on the basis of above-described embodiment, closure
It include: for making collet connecting rod 1 and circumferential at least one the sealed sphere 21 of turning set 2, turning set 2 is equipped with for ball to be arranged
Body 21 and the pilot hole 22 to intersect vertically with location hole, pilot hole 22 and the diameter of location hole intersection are less than the straight of sphere 21
Diameter, master positioning face are equipped with the deep gouge 11 for stretching out the extension of pilot hole 22 for accommodating sphere 21；Closure further includes for inciting somebody to action
Sphere 21 is limited in pilot hole 22 and is connected with the limit assembly of the junction of deep gouge 11 and with limit assembly and for passing through
What rotation or mobile control limit assembly be in restriction site or unrestrained position connects cutting ferrule 3 fastly, connects cutting ferrule 3 fastly and is sheathed on turn
The peripheral part of dynamic set 2.
It is understood that the quantity of pilot hole 22 and deep gouge 11 is consistent with the quantity of sphere 21, and pilot hole 22 with
Deep gouge 11 is arranged correspondingly.The quantity of sphere 21 can be 4, certainly can also be the other quantities such as 2,6.
The axis of pilot hole 22 is perpendicular to the axis of location hole, and pilot hole 22 and location hole penetrate through, so that pilot hole 22
Can be opposite one by one with deep gouge 11, in order to which sphere 21 to be limited between pilot hole 22 and deep gouge 11, realizes sphere 21 and sink
The clamping of slot 11, and then realize that the circumferential direction of collet connecting rod 1 and turning set 2 is sealed.
The extension that the extension that deep gouge 11 is used to accommodate sphere 21 refers specifically to sphere 21 can stretch out pilot hole 22 and be butted on
11 inner wall of deep gouge.11 inner wall of deep gouge can be the cambered surface to match with the surface of sphere 21.
Sphere 21 is preferably steel ball, naturally it is also possible to for the sphere 21 of the other materials such as iron ball, aluminium ball.
It should be noted that pilot hole 22 and the diameter of location hole intersection are less than the diameter of sphere 21, in order to sphere
21 can stretch out pilot hole 22 and then sink in deep gouge 11, and sphere 21 will not fall off from pilot hole 22 simultaneously.
Preferably, pilot hole 22 and the opening diameter of location hole intersection are less than the maximum gauge of sphere 21, and can guarantee
Pilot hole 22 is stretched out in 1/3 part of sphere 21.Of course, it is possible to matching to the size of pilot hole 22 and deep gouge 11 according to the actual situation
It closes size to be adjusted, to realize the adjustment to the extension size of sphere 21.
The diameter of the one end in the remotely located hole of pilot hole 22 is more than or equal to the diameter of sphere 21, in order to which sphere 21 can be put
Enter in pilot hole 22.
Preferably, the length between 22 both ends of pilot hole is less than the diameter of sphere 21, in order to the remotely located hole of sphere 21
One end can it is exposed outside, so that limit assembly be facilitated to limit sphere 21.
It should be noted that sphere 21 is limited in the junction of pilot hole 22 Yu deep gouge 11, to limit turning set 2 and collet
The relative rotation of connecting rod 1, refers specifically to, and the extension of sphere 21 stretches out pilot hole 22 and is butted on 11 inner wall of deep gouge, realizes sphere
21 with the clamping of deep gouge 11, to realize being fixedly connected between turning set 2 and collet connecting rod 1.
For example, connecing the control limit assembly of cutting ferrule 3 fastly when initial and being in restriction site, is i.e. sphere 21 stretches out pilot hole 22 and supports
In 11 inner wall of deep gouge, the clamping of sphere 21 and deep gouge 11 is realized.Rotation connects cutting ferrule 3 fastly, can control limit assembly to unrestricted position
It sets, the limitation that limit assembly stretches out pilot hole 22 to sphere 21 is released, so that sphere 21 can move in pilot hole 22.Certainly,
The mobile control for connecing the realization of cutting ferrule 3 fastly to limit assembly can also be passed through.
It should be noted that limit assembly is in restriction site, the extension for referring specifically to limit assembly limitation sphere 21 is stretched
Pilot hole 22 is butted on 11 inner wall of deep gouge out, realizes the location status that sphere 2111 and deep gouge 11 are clamped；Limit assembly is in non-limit
Position processed, then it is corresponding with restriction site, refer specifically to release limit assembly to the location status of the limitation of sphere 21, i.e. sphere 21
Can the free movement in pilot hole 22, to collet connecting rod 1 apply external force when, the peripheral part of collet connecting rod 1 can be made ball
Body 21 heads into pilot hole 22.
When installation, under natural conditions, namely before installation electric tool mounting working chuck, cutting ferrule 3 is connect fastly and is controlled at limit assembly
In restriction site, i.e., under the limitation of limit assembly, the extension of sphere 21 stretches out pilot hole 22.Rotation or movement connect cutting ferrule fastly
3, such as movement connects cutting ferrule 3 fastly to the right, controls limit assembly and is simultaneously at unrestrained position, i.e. releasing limit assembly is to ball
Body 21 stretch out pilot hole 22 limitation, by collet connecting rod 1 be inserted into turning set 2 in when, the master positioning face of collet connecting rod 1 with turn
The location hole of dynamic set 2 cooperates positioning, and master positioning face jacks up sphere 21 in pilot hole 22, until gear ring 13 and tooth socket 23 are just
Engagement, at this time then the position in 11 alignment guide hole 22 of deep gouge moves backward and connects cutting ferrule 3 fastly, and controlling limit assembly simultaneously makes at its
In restriction site, i.e., under the limitation of limit assembly, the extension of sphere 21 stretches out pilot hole 22 and is butted on 11 inner wall of deep gouge, realizes
The clamping of sphere 21 and deep gouge 11, and then realize the output and biography of the connection and movement between collet connecting rod 1 and turning set 2
It passs, the quick connection between completing between electric tool mounting working chuck and fuselage body ontology.
And the disassembly process of electric tool mounting working chuck, it need to only move and connect cutting ferrule 3 fastly, control limit assembly to unrestricted position
It sets, releases the limitation that limit assembly stretches out pilot hole 22 to sphere 21, extract collet connecting rod 1.
In view of the realization of limit assembly specific structure, limit assembly include: be sheathed on turning set 2 and connect fastly cutting ferrule 3 it
Between shelves ring 4, the inner wall for connecing cutting ferrule 3 fastly is equipped with for pushing shelves ring 4 to relatively rotate the mobile shoulder blocks of set 2；Be connected with shelves ring 4,
Elastic component for driving grade ring 4 to reset, the other end of elastic component are connected with the fixing piece of turning set 2.
It should be noted that the fixing piece of turning set 2 refer to the relatively-stationary component in 2 position of turning set, can for fix
Shackle member in 2 periphery of turning set, or the boss etc. on turning set 2 is set.
In the structure, is mainly realized by connecing cutting ferrule 3, shelves ring 4 and elastic component fastly and the extension stretching of sphere 21 is led
The limitation of 11 inner wall of deep gouge is butted on to hole 22.Certainly, also possible using the limit assembly of other forms.
For example, the fit form of shelves ring 4 and elastic component can be following situations: when elastic component restores nature, shelves
The outside of ring 4 and the outside of sphere 21 offset, i.e., shelves ring 4 is realized to the limitation in the outside of sphere 21, stretch the inside of sphere 21
The inner end of pilot hole 22 is butted on 11 inner wall of deep gouge out, realizes the clamping of sphere 21；When elastic component is when in a compressed state, shelves ring 4
Inside and the outside of sphere 21 be detached from, i.e., shelves ring 4 releases the limitation to the outside of sphere 21, is being oriented to sphere 21
Free movement in hole 22.
Preferably, elastic component can be spring 5.It is of course also possible to use other elastic components such as elastic slice, torsional spring.
In order to increase the convenience in clamping process, can be arranged between cutting ferrule 3 and turning set 2 for preventing fastly connecing fastly
Connect the locating piece that cutting ferrule 3 falls off from turning set 2.
Preferably, locating piece can be set in the free end of turning set 2.In this way, replace electric tool mounting working chuck
In the process, it can save and assemble the step of connecing cutting ferrule 3 fastly back and forth, to improve the convenience of installation.
Preferably, locating piece can be the shaft block ring 6 set on the front end for connecing cutting ferrule 3 fastly, and the shaft block ring 6 is fixed
In the annular groove on turning set 2.
In view of in 2 rotation process of turning set, shaft block ring 6 can be rotated together in company with turning set 2, and connect fastly cutting ferrule 3 this
When be it is fixed, the slewing rate of turning set 2 is larger in addition, thus shaft block ring 6 with connect fastly cutting ferrule 3 front end exist compared with
For serious friction.
In order to extend the service life of shaft block ring 6, it can connect in shaft block ring 6 and fastly and be arranged between cutting ferrule 3 for subtracting
It is brisk connect the friction between cutting ferrule 3 and shaft block ring 6 connect cutting ferrule baffle 7 fastly.
Preferably, connecing cutting ferrule baffle 7 fastly is that wearability is relatively high, quality is softer and flexible anti-attrition gasket.
In view of the simple and easy to process property of the specific structure of gear ring 13, on the basis of above-described embodiment, gear ring
13 be several double wedges for protruding 1 peripheral part of collet connecting rod.Preferably, several double wedges are by one time punching molded.Process pole
It is convenient, improves processing efficiency, reduces processing cost.
It, in another embodiment, can be on the lateral wall of collet connecting rod 1 in order to easily facilitate the processing of gear ring 13
It is provided with the annular boss portion 12 for protruding from its lateral wall, and gear ring 13 is then protruded and is set in annular boss portion 12, such as Fig. 6 institute
Show.
The quantity of 13 upper raised teeth of gear ring is 4, naturally it is also possible to be the other quantities such as 3,6.
Double wedge is arranged in annular boss portion 12, can be convenient clamping of the tooling to collet connecting rod 1 in process.
In addition to above-mentioned quick clamping device, it includes quick-clamping disclosed in above-described embodiment that the utility model, which also provides a kind of,
The electric tool of device, the electric tool include fuselage body 10 and at least two different mounting working chucks, any operative collet
It is connected by quick clamping device with fuselage body, the collet connecting rod 1 of quick clamping device can be connected with any operative collet,
The turning set 2 of quick clamping device is connected with fuselage body 10.
Above-mentioned quick clamping device can be realized rapid interchangeable of the different operating collet on same machine, enrich production
The use function of product realizes a tractor serves several purposes.Certainly, different product also can be using between above-mentioned quick clamping device realization mounting working chuck
Exchange.
For a multi-functional electric tools, mounting working chuck generally include can quick-clamping SDS drill bit (electric hammer is dedicated
Drill bit) hammer folder connector 8 and be capable of the drill point connector of quick-clamping straight shank drill (such as fluted drill, glass drill, reamer)
9, it exchanges simple and quick between hammer folder connector 8 and drill point connector 9, is dismantled without tool.
Specifically, can be by the end of the selectable hammer folder connecting rod 81 for being set to hammer folder connector 8 of collet connecting rod 1
Or collet connecting rod 1 is set to the end of the drill point connecting rod 91 of drill point connector 9, and 3 grade portions of cutting ferrule are met by turning set 2 and fastly
The end of fuselage body 10 is arranged in part.In this way drill point connector 9 or hammer folder connector 8 can by collet connecting rod 1 with turn
Its being fixedly connected with fuselage body 10 is realized in connection between dynamic set 2.
In a specific embodiment, as shown in figure 5, hammer folder connector 8 includes front cover, axle elastic spring, hammer mounting board
Set, steel ball baffle, steel ball supporting plate, drill chuck spring, steel ball and hammer folder connecting rod 81.Wherein, hammer presss from both sides the left end of connecting rod 81 successively
It is packed into steel ball, drill chuck spring, steel ball supporting plate, steel ball baffle, hammer mounting board set, hammer folder connecting rod 81 is connected in by axle elastic spring
Left end, then put on front cover, then group installs hammer folder connector 8.
As shown in Fig. 2, first pushing to the right in the installation process of hammer folder connector 8 and connecing cutting ferrule 3 fastly, the promotion of cutting ferrule 3 is connect fastly
Shelves ring 4 moves to the right, releases the limitation to 21 outside of sphere, and spring 5 is in compressive state at this time, need to only press from both sides hammer at this time
Collet connecting rod 1 on connector 8 is inserted into turning set 2, and collet connecting rod 1 is rotated, and keeps pilot hole 22 and deep gouge 11 opposite,
It is inserted into spline 13 in spline 23, release connects cutting ferrule 3 fastly, under the action of 5 restoring force of spring, shelves ring 4 and connects card fastly
Set 3 moves to the left, promotes sphere 21 in pilot hole 22 in 4 moving process of shelves ring, and pilot hole 22 is stretched out in the inside of sphere 21
And it is butted on 11 inner wall of deep gouge, it realizes the clamping of sphere 21, completes the installation of hammer folder connector 8.
Disassembly process only need to connect cutting ferrule 3 by Slideslip to the right fastly, connect cutting ferrule 3 fastly and shelves ring 4 is pushed to move to the right, releasing pair
Collet connecting rod 1 is extracted in the limitation in the outside of sphere 21 out of turning set 2.
In another specific embodiment, as shown in figure 8, drill point connector 9 include cross recessed countersunk head sscrew, drill chuck,
Drill point cutting ferrule and drill point connecting rod 91, drill point cutting ferrule, drill chuck are successively inserted in the left end of drill point connecting rod 91, by cross recess countersunk head
Screw realizes the connection with the left end of drill point connecting rod 91 from the inside of drill point connector 9, then connector 9 is pressed from both sides in assembling finishing drilling.It bores
The installation or removal process for pressing from both sides connector 9 is similar with hammer folder connector 8, and this will not be repeated here.
Refer to the prior art for the structure of other each sections of the electric tool, and repeats no more herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.Any one above-mentioned embodiment is not
When conflict, each embodiment can be combined, to realize more optimal solution.
Electric tool provided by the utility model and its quick clamping device are described in detail above.Herein
Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model.It should be pointed out that coming for those skilled in the art
It says, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these change
Into in the protection scope for also falling into the utility model claims with modification.
Claims (10)
1. a kind of quick clamping device characterized by comprising
Collet connecting rod (1), the peripheral part of the collet connecting rod (1), which is equipped with, is used for circumferentially positioned gear ring (13), the tooth
It encloses and is equipped with master positioning face between (13) and one end of the collet connecting rod (1)；
Turning set (2), the turning set (2) include for the tooth socket (23) with the gear ring (13) engaged transmission and being used for and institute
The location hole of the master positioning face of stating cooperation；
It is equipped between the collet connecting rod (1) and the turning set (2) for making the collet connecting rod (1) and the rotation
Set (2) can closure that is circumferential sealed and can releasing locked state.
2. quick clamping device according to claim 1, which is characterized in that the closure includes:
For making the collet connecting rod (1) and circumferential at least one the sealed sphere (21) of the turning set (2), the rotation
(2) are covered equipped with the pilot hole (22) for the sphere (21) to be arranged and intersects vertically with the location hole, the pilot hole
(22) it is less than the diameter of the sphere (21) with the diameter of the location hole intersection, the master positioning face is equipped with for accommodating
State the deep gouge (11) that sphere (21) stretch out the extension of the pilot hole (22)；
For the sphere (21) to be limited in the limit assembly of the junction of the pilot hole (22) and the deep gouge (11)；
It is connected with the limit assembly, for being in restriction site or unrestricted by rotation or the mobile control limit assembly
Position connects cutting ferrule (3) fastly, the peripheral part for connecing cutting ferrule (3) fastly and being sheathed on the turning set (2).
3. quick clamping device according to claim 2, which is characterized in that the limit assembly includes:
It is sheathed on the turning set (2) and the shelves ring (4) connect between cutting ferrule (3) fastly, the inner wall for connecing cutting ferrule (3) fastly is set
There is the shoulder block for pushing the shelves ring (4) mobile relative to the turning set (2)；
It is connected with the shelves ring (4), the elastic component for driving the shelves ring (4) to reset, the other end of the elastic component and institute
The fixing piece for stating turning set (2) is connected.
4. quick clamping device according to claim 2 or 3, which is characterized in that described to connect cutting ferrule (3) and the rotation fastly
Being equipped between set (2) prevents the locating piece for connecing cutting ferrule (3) fastly and falling off from the turning set (2).
5. quick clamping device according to claim 4, which is characterized in that the locating piece is to connect cutting ferrule fastly set on described
(3) shaft block ring (6) of front end, and the shaft block ring (6) is fixed in the annular groove on the turning set (2).
6. quick clamping device according to claim 5, which is characterized in that the shaft block ring (6) connects card with described fastly
Be equipped between set (3) for mitigate it is described connect the friction between cutting ferrule (3) and the shaft block ring (6) fastly connect cutting ferrule baffle fastly
(7)。
7. quick clamping device according to claim 1-3, which is characterized in that the gear ring is to protrude the folder
Several double wedges of head connecting rod (1) peripheral part.
8. quick clamping device according to claim 7, which is characterized in that the gear ring is punching press gear ring.
9. quick clamping device according to claim 7, which is characterized in that on the lateral wall of the collet connecting rod (1)
Equipped with the annular boss portion (12) for protruding from its lateral wall, the double wedge protrusion is set to the surface of the annular boss portion (12).
10. a kind of electric tool, including fuselage body (10) and at least two different mounting working chucks, any mounting working chuck
It is connected by quick clamping device with the fuselage body (10), which is characterized in that the quick clamping device is claim
The collet connecting rod (1) of the described in any item quick clamping devices of 1-9, the quick clamping device can be with any filing appliance
Head is connected, and the turning set (2) of the quick clamping device is connected with the fuselage body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821897313.1U CN209063028U (en) | 2018-11-16 | 2018-11-16 | A kind of quick clamping device and the electric tool with the quick clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821897313.1U CN209063028U (en) | 2018-11-16 | 2018-11-16 | A kind of quick clamping device and the electric tool with the quick clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209063028U true CN209063028U (en) | 2019-07-05 |
Family
ID=67099528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821897313.1U Active CN209063028U (en) | 2018-11-16 | 2018-11-16 | A kind of quick clamping device and the electric tool with the quick clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209063028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744502A (en) * | 2019-11-28 | 2020-02-04 | 永康市光逸科技有限公司 | Quick connection structure |
| CN113695636A (en) * | 2021-09-23 | 2021-11-26 | 北京北方车辆集团有限公司 | Drilling, positioning and fixing tool for angular electric hand drill |
-
2018
- 2018-11-16 CN CN201821897313.1U patent/CN209063028U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744502A (en) * | 2019-11-28 | 2020-02-04 | 永康市光逸科技有限公司 | Quick connection structure |
| CN110744502B (en) * | 2019-11-28 | 2024-05-10 | 永康市光逸科技有限公司 | Quick-connection structure |
| CN113695636A (en) * | 2021-09-23 | 2021-11-26 | 北京北方车辆集团有限公司 | Drilling, positioning and fixing tool for angular electric hand drill |
| CN113695636B (en) * | 2021-09-23 | 2024-06-11 | 北京北方车辆集团有限公司 | Drilling positioning and fixing tool for angular electric hand drill |
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