CN210189156U - Drill chuck and electric drill with same - Google Patents
Drill chuck and electric drill with same Download PDFInfo
- Publication number
- CN210189156U CN210189156U CN201920744420.9U CN201920744420U CN210189156U CN 210189156 U CN210189156 U CN 210189156U CN 201920744420 U CN201920744420 U CN 201920744420U CN 210189156 U CN210189156 U CN 210189156U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- drill
- drill chuck
- connecting sleeve
- axial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drilling And Boring (AREA)
- Gripping On Spindles (AREA)
Abstract
The utility model provides a drill chuck and have its electric drill. Wherein, the drill chuck includes bores the body, clamping jaw and cover body subassembly, and the clamping jaw setting is on boring the body, and cover body subassembly cover is established outside boring the body, and cover body subassembly includes: a front cover; the rear sleeve is arranged on the front sleeve and is positioned on one side of the front sleeve, which is far away from the clamping jaw; one or two connecting sleeves, when the connecting sleeves are one, one connecting sleeve is sleeved outside the front sleeve or the rear sleeve and can move along the axial direction of the front sleeve or the rear sleeve; when the number of the connecting sleeves is two, one connecting sleeve is sleeved outside the front sleeve and can move along the axial direction of the front sleeve, and the other connecting sleeve is sleeved outside the rear sleeve and can move along the axial direction of the rear sleeve; a limit structure for being directed at the adapter sleeve carries out spacing backstop. The utility model discloses solved effectively among the prior art staff and held the drill chuck inconvenient, influenced the problem of drill chuck and drill bit assembly.
Description
Technical Field
The utility model relates to an electric drill technical field particularly, relates to a drill chuck and have its electric drill.
Background
At present, with the continuous miniaturization of drill chucks, the casing of the drill chuck is shortened. However, for the worker, in the process of assembling the drill chuck and the drill bit, the shortening of the housing easily causes the holding area of the worker holding the drill chuck to be reduced, the holding is inconvenient, and the assembling of the drill chuck and the drill bit is affected.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a drill chuck and have its electric drill to solve among the prior art staff and grip the drill chuck inconvenient, influence the problem of drill chuck and drill bit assembly.
In order to achieve the above object, according to the utility model discloses an aspect provides a drill chuck, and drill chuck is including boring the body, clamping jaw and cover body subassembly, and the clamping jaw setting is on boring the body, and cover body subassembly cover is established outside boring the body, and cover body subassembly includes: a front cover; the rear sleeve is arranged on the front sleeve and is positioned on one side of the front sleeve, which is far away from the clamping jaw; one or two connecting sleeves, when the connecting sleeves are one, one connecting sleeve is sleeved outside the front sleeve or the rear sleeve and can move along the axial direction of the front sleeve or the rear sleeve; when the number of the connecting sleeves is two, one connecting sleeve is sleeved outside the front sleeve and can move along the axial direction of the front sleeve, and the other connecting sleeve is sleeved outside the rear sleeve and can move along the axial direction of the rear sleeve; a limit structure for being directed at the adapter sleeve carries out spacing backstop.
Further, when the connecting sleeve is arranged on the front sleeve, the limiting structure is arranged between the front sleeve and the connecting sleeve, so that the connecting sleeve moves within a first preset range.
Furthermore, a plurality of first matching parts are arranged on the outer surface of the front sleeve, a plurality of second matching parts are arranged on the inner surface of the connecting sleeve, the plurality of first matching parts and the plurality of second matching parts are arranged in a one-to-one correspondence manner, and each first matching part is matched with the corresponding second matching part so as to enable the connecting sleeve to slide along the axial direction of the front sleeve; wherein each first matching part extends along the axial direction of the front sleeve.
Further, when the connecting sleeve is arranged on the rear sleeve, the limiting structure is arranged between the rear sleeve and the connecting sleeve, so that the connecting sleeve moves within a second preset range.
Furthermore, a plurality of third matching parts are arranged on the outer surface of the rear sleeve, a plurality of second matching parts are arranged on the inner surface of the connecting sleeve, the plurality of third matching parts and the plurality of second matching parts are arranged in a one-to-one correspondence manner, and each third matching part is matched with the corresponding second matching part so as to enable the connecting sleeve to slide along the axial direction of the rear sleeve; wherein each third mating portion extends in the axial direction of the rear sleeve.
Furthermore, along the axial direction of the connecting sleeve, a first clamping portion and a second clamping portion are arranged on the inner surface of the connecting sleeve at intervals, and the sleeve body assembly is provided with a first limit position at which the limiting structure is clamped in the first clamping portion and a second limit position at which the limiting structure is clamped in the second clamping portion.
Further, still be provided with a plurality of first protruding muscle and a plurality of second protruding muscle on the internal surface of adapter sleeve, along the axial of adapter sleeve, a plurality of first protruding muscle and a plurality of second protruding muscle are located the both sides of a plurality of second cooperation portions respectively, form first card between a plurality of first protruding muscle and a plurality of second cooperation portions and establish the portion, form the second card between a plurality of second protruding muscle and a plurality of second cooperation portions and establish the portion.
According to another aspect of the utility model, an electric drill is provided, which comprises an electric drill main body and a drill chuck arranged on the electric drill main body, wherein the electric drill main body is connected with a drill body of the drill chuck; wherein the drill chuck is the drill chuck.
Furthermore, the electric drill main body is provided with a first limiting part, a second limiting part is arranged on the rear sleeve or the connecting sleeve of the drill chuck, and the first limiting part and the second limiting part limit the stop, so that the electric drill main body and the drill chuck are prevented from rotating relatively.
Furthermore, the electric drill main body comprises an electric drill shaft and an electric drill shaft sleeve sleeved on the electric drill shaft, a drill body of the drill chuck is connected with the electric drill shaft, and a first limiting part is arranged on the electric drill shaft sleeve.
Use the technical scheme of the utility model, at the in-process that the staff assembled drill chuck and drill bit, the staff was through operating the adapter sleeve to make the adapter sleeve along the axial motion of front cover and/or back cover, and then make the whole length of the cover body subassembly increase, and then increased the area of gripping of the staff gripping the cover body subassembly, it is inconvenient to have solved among the prior art staff to grip the drill chuck, influence the problem of drill chuck and drill bit assembly, make the staff easier, convenient to gripping of drill chuck. After the worker assembles the drill chuck and the drill bit, the worker operates the connecting sleeve again to enable the connecting sleeve to move along the axial direction of the front sleeve and/or the rear sleeve, so that the overall length of the sleeve body assembly is reduced, and the miniaturization of the drill chuck is realized. In the process, the limiting structure carries out limiting stop on the connecting sleeve so as to prevent the connecting sleeve from being separated from the front sleeve and/or the rear sleeve to influence the normal use of the drill chuck.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
figure 1 shows a schematic view of a drill chuck according to an embodiment of the present invention in a contracted state;
FIG. 2 shows a cross-sectional view of the drill chuck of FIG. 1;
FIG. 3 shows a schematic view of the drill chuck of FIG. 1 in an extended state;
FIG. 4 shows a cross-sectional view of the drill chuck of FIG. 3;
FIG. 5 shows a perspective view of the front sleeve of the drill chuck of FIG. 1;
fig. 6 shows a schematic perspective view of a connecting sleeve of the drill chuck in fig. 1;
FIG. 7 is a schematic perspective view of the spacing structure of the drill chuck of FIG. 1;
figure 8 shows a schematic structural view of a second embodiment of a drill chuck according to the present invention in a contracted state;
FIG. 9 is a schematic view showing the construction of the drill chuck of FIG. 8 in an extended state;
FIG. 10 shows a schematic perspective view of the drill chuck of FIG. 8; and
fig. 11 shows a schematic perspective view of the connection sleeve of the drill chuck in fig. 8.
Wherein the figures include the following reference numerals:
10. a drill body; 20. a clamping jaw; 30. a front cover; 31. a first mating portion; 32. a first mounting recess; 40. a rear sleeve; 41. a third mating portion; 42. a second mounting recess; 50. connecting sleeves; 51. a second mating portion; 52. a first engaging portion; 53. a second engaging portion; 54. a first rib; 55. a second rib; 60. a limiting structure.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.
In order to solve the problems that in the prior art, a worker cannot conveniently hold a drill chuck and the assembly of the drill chuck and a drill bit is influenced, the application provides the drill chuck and an electric drill with the same.
Example one
As shown in fig. 1 to 4, the drill chuck includes a drill body 10, a clamping jaw 20 and a sleeve assembly, wherein the clamping jaw 20 is disposed on the drill body 10, the sleeve assembly is sleeved outside the drill body 10, and the sleeve assembly includes a front sleeve 30, a rear sleeve 40, a connecting sleeve 50 and a limiting structure 60. Wherein, the rear sleeve 40 is arranged on the front sleeve 30 and is positioned on one side of the front sleeve 30 far away from the clamping jaws 20. The connecting sleeve 50 is sleeved outside the front sleeve 30 and can move along the axial direction of the front sleeve 30. The limiting structure 60 is used for limiting and stopping the connecting sleeve 50.
Use the technical scheme of this embodiment, at the in-process that the staff assembled drill chuck and drill bit, the staff was through operation adapter sleeve 50 to make adapter sleeve 50 along the axial motion of front cover 30, and then make the whole length of covering body subassembly increase, and then increased the area of gripping that the staff gripped the body subassembly, it is inconvenient to grip the drill chuck to have solved among the prior art staff, influence the problem of drill chuck and drill bit assembly, make the staff grip the drill chuck easier, convenient. After the worker assembles the drill chuck and the drill bit, the worker operates the connecting sleeve 50 again to enable the connecting sleeve 50 to move along the axial direction of the front sleeve 30, so that the overall length of the sleeve body assembly is reduced, and the drill chuck is miniaturized. In the above process, the limiting structure 60 performs a limiting stop on the connecting sleeve 50 to prevent the connecting sleeve 50 from being separated from the front sleeve 30 to affect the normal use of the drill chuck.
As shown in fig. 2 and 4, the limiting structure 60 is disposed between the front sleeve 30 and the connecting sleeve 50 to move the connecting sleeve 50 within a first preset range. Therefore, in the process that the worker slides the connecting sleeve 50, the limiting structure 60 limits and stops the connecting sleeve 50 to ensure that the connecting sleeve 50 slides in a first preset range, so that the connecting sleeve 50 is prevented from being separated from the front sleeve 30 to influence the length adjustment of the sleeve body assembly, and the use reliability of the drill chuck is improved.
As shown in fig. 5 and 6, a plurality of first engaging portions 31 are disposed on an outer surface of the front sleeve 30, a plurality of second engaging portions 51 are disposed on an inner surface of the connecting sleeve 50, the plurality of first engaging portions 31 and the plurality of second engaging portions 51 are disposed in a one-to-one correspondence, and each first engaging portion 31 engages with its corresponding second engaging portion 51, so that the connecting sleeve 50 slides along an axial direction of the front sleeve 30; wherein each first fitting portion 31 extends in the axial direction of the front cover 30. Like this, when staff operated the adapter sleeve 50, the above-mentioned setting of front cover 30 and adapter sleeve 50 guaranteed that adapter sleeve 50 only slides along the axial of front cover 30, and the rotation of circumference can not take place for the two, and then makes the staff easier, simple and convenient to the operation of adapter sleeve 50, has reduced staff's the operation degree of difficulty. Meanwhile, the structure is simple, and the processing and the realization are easy.
Specifically, the first fitting portion 31 is a first recess, and a plurality of first recesses are provided at intervals in the circumferential direction of the front cover 30. The second fitting portion 51 is a first protrusion, and a plurality of first protrusions are arranged at intervals along the circumferential direction of the connecting sleeve 50. Each first protrusion extends into and can slide along the corresponding first concave portion, so as to ensure that the connecting sleeve 50 can slide along the axial direction of the front sleeve 30.
Note that the structures of the first fitting portion 31 and the second fitting portion 51 are not limited to this. Alternatively, the first fitting portion 31 is a first protrusion, and the second fitting portion 51 is a first recess.
As shown in fig. 6, a first engaging portion 52 and a second engaging portion 53 are spaced apart from each other along the axial direction of the connecting sleeve 50, and the sleeve assembly has a first limit position at which the limiting structure 60 is engaged in the first engaging portion 52 and a second limit position at which the limiting structure 60 is engaged in the second engaging portion 53. In this way, the limiting structure 60 is located between the connection sleeve 50 and the front sleeve 30, and in the sliding process of the connection sleeve 50, when the limiting structure 60 is clamped at the first limit position or the second limit position, the connection sleeve 50 cannot slide continuously, so that the limiting stop of the limiting structure 60 on the connection sleeve 50 is realized.
As shown in fig. 5 to 7, the front cover 30 is provided with a first mounting recess 32, the limiting structure 60 is disposed in the first mounting recess 32, and the limiting structure 60 is an annular structure. Specifically, the limiting structure 60 is a snap spring, the first mounting concave portion 32 is an annular groove, and the snap spring is clamped in the annular groove. In the sliding process of the connecting sleeve 50, the clamp spring is clamped at the first limit position or the second limit position, so that the connecting sleeve 50 slides in a first preset range. The structure is simple, easy to process and realize, and reduces the processing cost of the drill chuck.
It should be noted that the type of the limiting structure 60 is not limited thereto. Optionally, the stop structure 60 is a circular ring.
As shown in fig. 6, the inner surface of the connecting sleeve 50 is further provided with a plurality of first ribs 54 and a plurality of second ribs 55, along the axial direction of the connecting sleeve 50, the plurality of first ribs 54 and the plurality of second ribs 55 are respectively located at two sides of the plurality of second matching portions 51, a first clamping portion 52 is formed between the plurality of first ribs 54 and the plurality of second matching portions 51, and a second clamping portion 53 is formed between the plurality of second ribs 55 and the plurality of second matching portions 51. Thus, the arrangement makes the first engaging portion 52 and the second engaging portion 53 simpler and easier to implement.
Specifically, a plurality of second cooperation portions 51 are located between a plurality of first protruding ribs 54 and a plurality of second protruding ribs 55, and a plurality of first protruding ribs 54 set up along the circumference interval of adapter sleeve 50, and a plurality of second protruding ribs 55 set up along the circumference interval of adapter sleeve 50, and a plurality of first protruding ribs 54 set up with a plurality of second cooperation portions 51 one-to-one, and a plurality of second cooperation portions 51 set up with a plurality of second protruding ribs 55 one-to-one.
The present application further provides an electric drill (not shown) comprising an electric drill body and a drill chuck disposed on the electric drill body, the electric drill body being connected to the drill body 10 of the drill chuck. Wherein the drill chuck is the drill chuck. Thus, when the drill bit and the drill chuck need to be assembled, a worker slides the connecting sleeve 50 of the drill chuck until the connecting sleeve 50 slides to the first limit position, the connecting sleeve 50 and the limit structure 60 limit and stop, and the sleeve body assembly is in the maximum length position, so that the worker can hold the drill chuck conveniently. The operator then holds the drill chuck in one hand and assembles the drill with the jaws 20 in the other hand. After the drill bit and the drill chuck are assembled, a worker slides the connecting sleeve 50 to enable the connecting sleeve 50 to slide to the second limit position, the sleeve body assembly is located at the minimum length position, and the electric drill body drives the drill chuck and the drill bit to rotate.
In this embodiment, the electric drill main body is provided with a first limiting portion, the rear sleeve 40 of the drill chuck is provided with a second limiting portion, and the first limiting portion and the second limiting portion limit the stop, so as to prevent the electric drill main body and the drill chuck from rotating relatively. Like this, when needs assemble drill bit and drill chuck, with the spacing backstop in first spacing portion and the spacing portion of second to prevent that the drill chuck from rotating for the electric drill main part, realize the electric drill main part and assemble drill bit and drill chuck, be convenient for the staff. After the drill bit and the drill chuck are assembled, the first limiting part and the second limiting part are separated, and the electric drill body drives the drill chuck and the drill bit to rotate.
The position of the second stopper is not limited to this. Optionally, the connecting sleeve 50 of the drill chuck is provided with a second limiting part.
In this embodiment, the electric drill main part includes electric drill axle and the electric drill axle sleeve of cover on the electric drill axle, and the brill body 10 and the electric drill axle of drill chuck are connected, are provided with first spacing portion on the electric drill axle sleeve. Like this, through the operation electric drill axle sleeve to make the spacing backstop of first spacing portion and second, so that assemble drill bit and drill chuck. After the drill bit and the drill chuck are assembled, the electric drill shaft sleeve is operated to enable the first limiting portion to be disengaged from the second limiting portion, and the electric drill shaft drives the drill chuck and the drill bit to rotate.
Specifically, first spacing portion is spacing arch, and the spacing portion of second is spacing concave part, and spacing arch stretches into in the spacing concave part and with the spacing backstop of spacing concave part to realize the locking between electric drill main part and the drill chuck, the two can not take place relative rotation, and then the staff of being convenient for carries out the clamping to the drill bit. After the drill bit and the drill chuck are assembled, the limiting protrusion is separated from the limiting concave part, and the electric drill shaft can drive the drill chuck and the drill bit to rotate.
Example two
The drill chuck in the second embodiment is different from the first embodiment in that: the arrangement position of the connection sleeve 50 is different.
As shown in fig. 8 to 11, the drill chuck includes a drill body 10, a clamping jaw 20 and a sleeve assembly, wherein the clamping jaw 20 is disposed on the drill body 10, the sleeve assembly is sleeved outside the drill body 10, and the sleeve assembly includes a front sleeve 30, a rear sleeve 40, a connecting sleeve 50 and a limiting structure 60. Wherein, the rear sleeve 40 is arranged on the front sleeve 30 and is positioned on one side of the front sleeve 30 far away from the clamping jaws 20. The connecting sleeve 50 is sleeved outside the rear sleeve 40 and can move along the axial direction of the rear sleeve 40. The limiting structure 60 is used for limiting and stopping the connecting sleeve 50.
Specifically, at the in-process that the staff assembled drill chuck and drill bit, the staff was through operating adapter sleeve 50 to make adapter sleeve 50 along the axial motion of back cover 40, and then made the whole length increase of covering body subassembly, and then increased the area of gripping that the staff gripped the covering body subassembly, it is inconvenient to grip the drill chuck to have solved among the prior art staff, influences the problem of drill chuck and drill bit assembly, makes the staff grip the drill chuck easier, convenient. After the worker assembles the drill chuck and the drill bit, the worker operates the connecting sleeve 50 again to enable the connecting sleeve 50 to move along the axial direction of the rear sleeve 40, so that the overall length of the sleeve body assembly is reduced, and the drill chuck is miniaturized. In the above process, the limiting structure 60 performs a limiting stop on the connecting sleeve 50 to prevent the connecting sleeve 50 from being separated from the rear sleeve 40 to affect the normal use of the drill chuck.
In this embodiment, the limiting structure 60 is disposed between the rear sleeve 40 and the connecting sleeve 50 to enable the connecting sleeve 50 to move within a second preset range. Therefore, in the process that the worker slides the connecting sleeve 50, the limiting structure 60 limits and stops the connecting sleeve 50 to ensure that the connecting sleeve 50 slides in the second preset range, so that the connecting sleeve 50 is prevented from being separated from the rear sleeve 40 to influence the length adjustment of the sleeve body assembly, and the use reliability of the drill chuck is improved.
As shown in fig. 10, the outer surface of the rear sleeve 40 is provided with a plurality of third matching portions 41, the inner surface of the connecting sleeve 50 is provided with a plurality of second matching portions 51, the plurality of third matching portions 41 and the plurality of second matching portions 51 are arranged in a one-to-one correspondence, and each third matching portion 41 is matched with its corresponding second matching portion 51, so that the connecting sleeve 50 slides along the axial direction of the rear sleeve 40. Wherein each third fitting portion 41 extends in the axial direction of the rear cover 40. Like this, when the staff operated the adapter sleeve 50, the above-mentioned setting of back cover 40 and adapter sleeve 50 guaranteed that adapter sleeve 50 only follows the axial slip of back cover 40, and the rotation of circumference can not take place for the two, and then makes the staff easier, simple and convenient to the operation of adapter sleeve 50, has reduced staff's the operation degree of difficulty. Meanwhile, the structure is simple, and the processing and the realization are easy.
Specifically, the third fitting portion 41 is a second recessed portion, and a plurality of second recessed portions are provided at intervals in the circumferential direction of the rear cover 40. The second fitting portion 51 is a second protrusion, and a plurality of second protrusions are arranged at intervals along the circumferential direction of the connecting sleeve 50. Each second protrusion extends into the corresponding second concave portion and can slide along the second concave portion, so as to ensure that the connecting sleeve 50 can slide along the axial direction of the rear sleeve 40.
Note that the structures of the third fitting portion 41 and the second fitting portion 51 are not limited to this. Alternatively, the third fitting portion 41 is a second protrusion, and the second fitting portion 51 is a second recess.
As shown in fig. 11, a first engaging portion 52 and a second engaging portion 53 are spaced apart from each other along the axial direction of the connecting sleeve 50, and the sleeve assembly has a first limit position at which the limiting structure 60 is engaged in the first engaging portion 52 and a second limit position at which the limiting structure 60 is engaged in the second engaging portion 53. Like this, limit structure 60 is located between adapter sleeve 50 and back cover 40, and in the adapter sleeve 50 slip in-process, when limit structure 60 joint in first extreme position or second extreme position, adapter sleeve 50 can not continue to slide to realize limit stop of limit structure 60 to adapter sleeve 50.
As shown in fig. 10, the rear cover 40 is provided with a second mounting recess 42, the limiting structure 60 is disposed in the second mounting recess 42, and the limiting structure 60 is a ring-shaped structure. Specifically, the limiting structure 60 is a clamp spring, the second mounting concave portion 42 is an annular groove, and the clamp spring is clamped in the annular groove. In the sliding process of the connecting sleeve 50, the clamp spring is clamped at the first limit position or the second limit position, so that the connecting sleeve 50 slides in the second preset range. The structure is simple, easy to process and realize, and reduces the processing cost of the drill chuck.
EXAMPLE III
The drill chuck in the third embodiment is different from the first embodiment in that: the number and the arrangement position of the connecting sleeves 50 are different.
In this embodiment, the drill chuck includes a drill body, a clamping jaw and a sleeve assembly, the clamping jaw is disposed on the drill body, the sleeve assembly is sleeved outside the drill body, and the sleeve assembly includes a front sleeve, a rear sleeve, a connecting sleeve and a limiting structure. Wherein, the back cover is arranged on the front cover and is positioned at one side of the front cover far away from the clamping jaw. One connecting sleeve is sleeved outside the front sleeve and can move along the axial direction of the front sleeve, and the other connecting sleeve is sleeved outside the rear sleeve and can move along the axial direction of the rear sleeve. The limiting structure is used for limiting and stopping the connecting sleeve.
Specifically, in the process that the worker assembles the drill chuck and the drill bit, the worker operates one or two connecting sleeves to enable the connecting sleeves to move along the axial direction of the front sleeve and/or the rear sleeve respectively, so that the overall length of the sleeve body assembly is increased, the holding area for holding the sleeve body assembly by the worker is increased, the problem that in the prior art, the worker is inconvenient to hold the drill chuck and affects assembly of the drill chuck and the drill bit is solved, and the worker can hold the drill chuck more easily and conveniently. After the worker assembles the drill chuck and the drill bit, the worker operates the connecting sleeves to enable the two connecting sleeves to move along the axial direction of the front sleeve and/or the rear sleeve respectively, so that the overall length of the sleeve body assembly is reduced, and the drill chuck is miniaturized. In the process, the limiting structure carries out limiting stop on the connecting sleeve so as to prevent the connecting sleeve from being separated from the front sleeve and/or the rear sleeve to influence the normal use of the drill chuck.
It should be noted that, the number of the connecting sleeves used can be selected by the worker according to the actual working conditions so as to meet different use conditions.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
in the process that the worker assembles the drill chuck and the drill bit, the worker operates the connecting sleeve to enable the connecting sleeve to move axially along the front sleeve and/or the rear sleeve, so that the overall length of the sleeve body assembly is increased, the holding area for holding the sleeve body assembly by the worker is increased, the problem that the worker is inconvenient to hold the drill chuck in the prior art and affects assembly of the drill chuck and the drill bit is solved, and the worker is easier and more convenient to hold the drill chuck. After the worker assembles the drill chuck and the drill bit, the worker operates the connecting sleeve again to enable the connecting sleeve to move along the axial direction of the front sleeve and/or the rear sleeve, so that the overall length of the sleeve body assembly is reduced, and the miniaturization of the drill chuck is realized. In the process, the limiting structure carries out limiting stop on the connecting sleeve so as to prevent the connecting sleeve from being separated from the front sleeve and/or the rear sleeve to influence the normal use of the drill chuck.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a drill chuck, drill chuck is including boring body (10), clamping jaw (20) and cover body subassembly, clamping jaw (20) set up bore on body (10), cover body subassembly cover is established outside boring body (10), its characterized in that, cover body subassembly includes:
a front cover (30);
the rear sleeve (40) is arranged on the front sleeve (30) and is positioned on one side, away from the clamping jaws (20), of the front sleeve (30);
one or two connecting sleeves (50), when the number of the connecting sleeves (50) is one, one connecting sleeve (50) is sleeved outside the front sleeve (30) or the rear sleeve (40) and can move along the axial direction of the front sleeve (30) or the rear sleeve (40); when the number of the connecting sleeves (50) is two, one connecting sleeve (50) is sleeved outside the front sleeve (30) and can move along the axial direction of the front sleeve (30), and the other connecting sleeve (50) is sleeved outside the rear sleeve (40) and can move along the axial direction of the rear sleeve (40);
and the limiting structure (60) is used for limiting and stopping the connecting sleeve (50).
2. The drill chuck as claimed in claim 1, characterized in that the limiting structure (60) is arranged between the front sleeve (30) and the connecting sleeve (50) when the connecting sleeve (50) is fitted over the front sleeve (30) to move the connecting sleeve (50) within a first predetermined range.
3. The drill chuck as claimed in claim 2, wherein the outer surface of the front sleeve (30) is provided with a plurality of first engaging portions (31), the inner surface of the connecting sleeve (50) is provided with a plurality of second engaging portions (51), the plurality of first engaging portions (31) and the plurality of second engaging portions (51) are arranged in a one-to-one correspondence, and each first engaging portion (31) is engaged with the corresponding second engaging portion (51) to enable the connecting sleeve (50) to slide along the axial direction of the front sleeve (30); wherein each of the first fitting portions (31) extends in the axial direction of the front cover (30).
4. The drill chuck as claimed in claim 1, characterized in that the limiting structure (60) is arranged between the rear sleeve (40) and the connecting sleeve (50) when the connecting sleeve (50) is fitted over the rear sleeve (40) to move the connecting sleeve (50) within a second predetermined range.
5. The drill chuck as claimed in claim 4, wherein the outer surface of the rear sleeve (40) is provided with a plurality of third engaging portions (41), the inner surface of the connecting sleeve (50) is provided with a plurality of second engaging portions (51), the plurality of third engaging portions (41) and the plurality of second engaging portions (51) are arranged in a one-to-one correspondence, and each third engaging portion (41) is engaged with the corresponding second engaging portion (51) to enable the connecting sleeve (50) to slide along the axial direction of the rear sleeve (40); wherein each of the third fitting portions (41) extends in the axial direction of the rear cover (40).
6. The drill chuck as claimed in claim 3 or 5, wherein the inner surface of the connecting sleeve (50) is provided with a first clamping portion (52) and a second clamping portion (53) at intervals along the axial direction of the connecting sleeve (50), and the sleeve body assembly has a first limit position at which the limit structure (60) is clamped in the first clamping portion (52) and a second limit position at which the limit structure (60) is clamped in the second clamping portion (53).
7. The drill chuck as claimed in claim 6, wherein the inner surface of the connecting sleeve (50) is further provided with a plurality of first ribs (54) and a plurality of second ribs (55), the plurality of first ribs (54) and the plurality of second ribs (55) are respectively located at two sides of the plurality of second matching portions (51) along the axial direction of the connecting sleeve (50), the first clamping portions (52) are formed between the plurality of first ribs (54) and the plurality of second matching portions (51), and the second clamping portions (53) are formed between the plurality of second ribs (55) and the plurality of second matching portions (51).
8. An electric drill is characterized by comprising an electric drill main body and a drill chuck arranged on the electric drill main body, wherein the electric drill main body is connected with a drill body (10) of the drill chuck; wherein the drill chuck is as claimed in any one of claims 1 to 7.
9. The electric drill according to claim 8, wherein a first limiting portion is arranged on the electric drill main body, a second limiting portion is arranged on the rear sleeve (40) or the connecting sleeve (50) of the drill chuck, and the first limiting portion and the second limiting portion limit stoppers to prevent relative rotation between the electric drill main body and the drill chuck.
10. The electric drill according to claim 9, wherein the electric drill body comprises an electric drill shaft and an electric drill shaft sleeve arranged on the electric drill shaft, the drill body (10) of the drill chuck is connected with the electric drill shaft, and the first limiting portion is arranged on the electric drill shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920744420.9U CN210189156U (en) | 2019-05-21 | 2019-05-21 | Drill chuck and electric drill with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920744420.9U CN210189156U (en) | 2019-05-21 | 2019-05-21 | Drill chuck and electric drill with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210189156U true CN210189156U (en) | 2020-03-27 |
Family
ID=69875928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920744420.9U Active CN210189156U (en) | 2019-05-21 | 2019-05-21 | Drill chuck and electric drill with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210189156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064954A (en) * | 2019-05-21 | 2019-07-30 | 山东威达机械股份有限公司 | Drill chuck and electric drill with it |
-
2019
- 2019-05-21 CN CN201920744420.9U patent/CN210189156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064954A (en) * | 2019-05-21 | 2019-07-30 | 山东威达机械股份有限公司 | Drill chuck and electric drill with it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12005191B2 (en) | Breathing mask interface with small required operating force | |
| EP2341844B1 (en) | Medical device | |
| CN210189156U (en) | Drill chuck and electric drill with same | |
| US20140017023A1 (en) | Adapter for Holding a Hole Saw on a Power Tool | |
| EP3511669A1 (en) | Telescopic police baton | |
| US8973472B2 (en) | Tool extension bar | |
| AU2017100935A4 (en) | A foldable arm structure of an unmanned aerial vehicle | |
| CN107530504A (en) | For making needle device depart from sheath and the equipment for reentrying sheath | |
| KR20170048899A (en) | Bit or socket joinable electric tool | |
| CN1927548B (en) | Fixing device and electric tool machine | |
| US6513697B1 (en) | Tip heater cartridge and soldering iron for use therewith | |
| CN108748240A (en) | A kind of automatic changing-over device of robot end | |
| CN111601687A (en) | Attachment system for an industrial robot, industrial robot and method | |
| EP2482751B1 (en) | Dental device adapter system, dental system, and method of operating a dental system | |
| CN100434212C (en) | No-key drilling clamp head with impact-proof loosing machine | |
| CA2423295A1 (en) | Quick release drill bit for down-hole drills | |
| CN108544021A (en) | The fast clamp mechanism of reciprocating saw and reciprocating saw | |
| US7175184B1 (en) | Collect tool holder and method of making same | |
| CN210188579U (en) | Electric drill | |
| CN112828329A (en) | Spring chuck clamping mechanism of numerical control lathe | |
| CN210931805U (en) | Adapter and surgical tool assembly of tracer | |
| CN110064954A (en) | Drill chuck and electric drill with it | |
| CN209943338U (en) | Knob position-selecting type multi-position-clamping hinge mechanism | |
| CN105813594A (en) | Electric toothbrush | |
| CN210598848U (en) | Disconnecting and connecting device with anti-falling joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |