CN203265720U - Self-tight drill chuck integral type bearing guide assembly - Google Patents
Self-tight drill chuck integral type bearing guide assembly Download PDFInfo
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- CN203265720U CN203265720U CN 201320198217 CN201320198217U CN203265720U CN 203265720 U CN203265720 U CN 203265720U CN 201320198217 CN201320198217 CN 201320198217 CN 201320198217 U CN201320198217 U CN 201320198217U CN 203265720 U CN203265720 U CN 203265720U
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- drill chuck
- held
- monoblock type
- section
- leading
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Abstract
The utility model belongs to the technical field of machinery, and relates to a self-tight drill chuck integral type bearing guide assembly. The self-tight drill chuck integral type bearing guide assembly solves the problems that the design of the prior art is not reasonable enough. The self-tight drill chuck integral type bearing guide assembly comprises a barrel-shaped integrated guiding bearing seat, the upper portion of the integrated guiding bearing seat is a barrel-shaped integrated bearing guide part, the lower portion of the integrated guiding bearing seat is a conical barrel-shaped clamping jaw guiding rail part, the integrated bearing guide part and the clamping jaw guiding rail part are of an integrated structure, and a plurality of guiding grooves for mounting clamping jaws are formed in the clamping jaw guiding rail part. The self-tight drill chuck integral type bearing guide assembly has the advantages that the self-tight drill chuck integral type bearing guide assembly is reasonable in design, simple in structure, easy to machine, manufacture and assemble and comprehensive in function, the integrated structure closely combines the main supporting structure and the clamping jaw guiding rail part of a self-tight drill chuck together, a working functional zone formed by the clamping jaws, locking screws, the clamping jaw guiding rail part and an end cover is made to be the organic composition of a main shaft system of a drill chuck and to be a main body as effective extension of the main shaft of the drill chuck at the other end, and stable and coordinating work of the whole drill chuck is achieved.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to keyless drill chuck, especially relates to a kind of keyless drill chuck monoblock type and holds and lead assembly.
Background technology
Development along with social productive forces, the use of drill chuck is very extensive, the bench drill that uses in the industries such as machine-building, electronic apparatus, construction and installation, house decoration, electric hand drill or lathe etc. mechanically all can need to carry out work with instruments such as drill chuck clamping drilling bit or cutters.Existing drill chuck has two types usually: a kind of is spanner-type drill chuck, the clamping force of this drill chuck depends on the moment that spanner applies, and need aid when clamping and loose unloading drill bit, tighten or unclamp drill chuck and come installation or removal drill bit or cutter with aid, operate cumbersomely, waste time and energy; Another kind is self-tightening drill chuck.Self-tightening drill chuck utilizes the rotation after drill bit is installed by the principle of self-tightening, automatically tightens drill bit or cutter by screw thread, is easy to when the instruments such as clamping drill bit or cutter.
Conventional keyless drill chuck generally includes main body, lock-screw, jaw, ball, end shield, jaw seat, end cap and ball lid.The ball cover cavity has a ring-shaped step, main body is a cylinder, an annular shaft shoulder is arranged on periphery, a circle ball is distributing between the ring-shaped step of the annular shaft shoulder of main body and ball lid, main body is loaded in the pilot sleeve that is stitched together by ball lid and jaw seat, and this pilot sleeve is to be stitched together by the thread connection that end shield and ball cover.
Obviously, the prior art design is reasonable not, be difficult to form the main spindle box that main body is carried out stable support, and complex structure, after completing, assembling is easy to occur becoming flexible, have a strong impact on the keyless drill chuck normal operation.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, simple in structure, perfect in shape and function, and the keyless drill chuck monoblock type that is easy to assemble is held and is led assembly.
for achieving the above object, the utility model has adopted following technical proposal: this keyless drill chuck monoblock type is held and is led assembly, be arranged on the cylindrical main body of keyless drill chuck peripheral and in its lower end also fixed cover be connected to the end shield that is taper barrel, it is characterized in that, comprise tubular integrated guide bearing, the top of this integrated guide bearing is that cylindrical circular monoblock type is held the section of leading, the bottom is the jaw rail portion that is taper barrel, described monoblock type holds the section of leading and the jaw rail portion is the integral type structure, have some the guide grooves that are used for installing jaw on described jaw rail portion.
The integrated guide bearing is the strength member of the parts of the parts on contact keyless drill chuck top and bottom.Main body is the drill chuck main shaft, form a main spindle box body by the integrated guide bearing, two main supportings are set in main spindle box body, form thus a stable axis system, realization to main body axially, radially, angle location, effectively improve body of work stability, ensured the drill chuck operating accuracy.Owing to having adopted integral structure, can fully guarantee stability, reliability and alignment that keyless drill chuck is installed, the operating accuracy of effective guarantee keyless drill chuck.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, described monoblock type holds the annular shaft shoulder that is provided with in the section of leading on interior ring-shaped step and main body periphery and can be arranged on interior ring-shaped step.Interior ring-shaped step is formed with the supporting of effect to the annular shaft shoulder.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, the sidepiece of described interior ring-shaped step is to be arranged on main body radially and monoblock type is held the bearing shell of the radial plain bearing between the section of leading, and the top of described interior ring-shaped step is the bearing shell that is arranged on the thrust slide bearing between interior ring-shaped step and the annular shaft shoulder.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, described interior ring-shaped step top is provided with for the fixing syndeton of the axle bed of composite bearing.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, described syndeton comprise for axle bed on the connecting thread section that is threaded of axle bed thread segment and be arranged on connecting thread section top and be used for the positioning step that embeds for the location division on axle bed.Can effectively promote the globality of described keyless drill chuck related components relational structure by this structure.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, described positioning step and location division tight fit.This tight fit location technology design makes axle bed and monoblock type hold the section of leading and is linked into overall structure, has strengthened the rigidity of composite bearing.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, described monoblock type is held the section inboard of leading and is provided with oil storage tank, described oil storage tank is arranged on the planar annular of interior ring-shaped step, perhaps be arranged on monoblock type and hold between the planar annular of the inwall of the section of leading and interior ring-shaped step, perhaps be arranged on the inwall that monoblock type is held the section of leading.
Hold in above-mentioned keyless drill chuck monoblock type and lead assembly, described monoblock type is held the section periphery of leading and is provided with the outer ring step, and ring-shaped step below is provided with for the friction tight outside fix step in the socket part of end shield be positioned at the external thread section that is threaded with the internal thread segment of end shield of being used for of outside fix step below outside.This tight fit location technology design makes end shield and monoblock type hold the section of leading and is linked into overall structure.
Compared with prior art, this keyless drill chuck monoblock type is held the advantage of leading assembly and is: reasonable in design, simple in structure, be easy to processing and manufacturing and assembling, complete function, integral structure is closely connected main supporting structure and the jaw rail portion of keyless drill chuck together, make the work functions district that is consisted of by jaw, lock-screw, jaw rail portion, end shield become the organic composition of drill chuck axis system, become main body as the effective extension of drill chuck main shaft at the other end, realized the stable co-ordination of whole drill chuck.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the integrated guide holder structure schematic diagram that the utility model provides.
In figure, main body 1, end shield 2, integrated guide bearing 3, monoblock type are held the section of leading 4, jaw rail portion 5, jaw 6, guide groove 7, interior ring-shaped step 8, the annular shaft shoulder 9, radial plain bearing 10, thrust slide bearing 11, composite bearing 12, axle bed 13, axle bed thread segment 15, connecting thread section 16, location division 17, positioning step 18, oil storage tank 19, socket part 20, outer ring step 21, internal thread segment 22, external thread section 23, lock-screw 24, ball 25, elastic cover 26, outside fix step 27.
The specific embodiment
As illustrated in fig. 1 and 2, keyless drill chuck comprises the parts such as main body 1, lock-screw 24, jaw 6, integrated guide bearing 3, end shield 2, axle bed 13, ball 25, elastic cover 26.This keyless drill chuck monoblock type hold lead cylindrical main body 1 that assembly is arranged on keyless drill chuck peripheral and in its lower end also fixed cover be connected to the end shield 2 that is taper barrel.This keyless drill chuck monoblock type is held and is led assembly and comprise tubular integrated guide bearing 3, the top of this integrated guide bearing 3 is that cylindrical circular monoblock type is held the section of leading 4, the bottom is the jaw rail portion 5 that is taper barrel, monoblock type holds the section of leading 4 and jaw rail portion 5 is the integral type structure, has some the guide grooves 7 that are used for installing jaw 6 on jaw rail portion 5.Has the jaw guide surface that is obliquely installed on end shield 2.
Monoblock type is held the annular shaft shoulder 9 that is provided with in the section of leading 4 on interior ring-shaped step 8 and main body 1 periphery and can be arranged on interior ring-shaped step 8.The sidepiece of interior ring-shaped step 8 is to be arranged on main body 1 radially and monoblock type is held the bearing shell of the radial plain bearing 10 between the section of leading 2, and the top of described interior ring-shaped step 8 is the bearing shell that is arranged on the thrust slide bearing 11 between interior ring-shaped step 8 and the annular shaft shoulder 9.Interior ring-shaped step 8 tops are provided with for the fixing syndeton of the axle bed 13 of composite bearing 12.Monoblock type is held the section of leading 4 inboards and is provided with oil storage tank 19, and oil storage tank 19 is arranged on the planar annular of interior ring-shaped step 8, perhaps is arranged on monoblock type and holds between the planar annular of the inwall of the section of leading 4 and interior ring-shaped step 8, perhaps is arranged on the inwall that monoblock type is held the section of leading 4.The setting of oil storage tank 19 is convenient to carry oil film and is formed, lubricates, is convenient to store simultaneously dirt.
Syndeton comprises for the connecting thread section 16 that is threaded with axle bed thread segment 15 on axle bed 13 and is arranged on connecting thread section 16 tops and is used for the positioning step 18 that embeds for the location division 17 on axle bed 13.Positioning step 18 and location division 17 tight fits.Monoblock type is held the section's of leading 4 peripheries and is provided with outer ring step 21, and ring-shaped step 21 belows are provided with for the friction tight outside fix step in the socket part 20 of end shield 2 27 be positioned at the external thread section 23 that is threaded with the internal thread segment 22 of end shield 2 of being used for of outside fix step 27 belows outside.
Integrated guide bearing 3 overall structures are closely connected main supporting structure and the jaw rail portion 5 of keyless drill chuck together, make the work functions district that is consisted of by jaw 6, lock-screw 24, jaw rail portion 5, end shield 2 become the organic composition of drill chuck axis system, become main body 1 as the effective extension of drill chuck main shaft at the other end, realized the stable co-ordination of whole drill chuck.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
although this paper has more used main body 1, end shield 2, integrated guide bearing 3, monoblock type is held the section of leading 4, jaw rail portion 5, jaw 6, guide groove 7, interior ring-shaped step 8, the annular shaft shoulder 9, radial plain bearing 10, thrust slide bearing 11, composite bearing 12, axle bed 13, axle bed thread segment 15, connecting thread section 16, location division 17, positioning step 18, oil storage tank 19, socket part 20, outer ring step 21, internal thread segment 22, external thread section 23, lock-screw 24, ball 25, elastic cover 26, outside fix step 27 terms such as grade, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. a keyless drill chuck monoblock type is held and is led assembly, be arranged on the cylindrical main body (1) of keyless drill chuck peripheral and in its lower end also fixed cover be connected to the end shield (2) that is taper barrel, it is characterized in that, comprise tubular integrated guide bearing (3), the top of this integrated guide bearing (3) is that cylindrical circular monoblock type is held the section of leading (4), the bottom is the jaw rail portion (5) that is taper barrel, described monoblock type holds the section of leading (4) and jaw rail portion (5) is the integral type structure, have some the guide grooves (7) that are used for installing jaw (6) on described jaw rail portion (5).
2. keyless drill chuck monoblock type according to claim 1 is held and is led assembly, it is characterized in that, described monoblock type is held the annular shaft shoulder (9) that is provided with in the section of leading (4) on interior ring-shaped step (8) and main body (1) periphery and can be arranged on interior ring-shaped step (8).
3. keyless drill chuck monoblock type according to claim 2 is held and is led assembly, it is characterized in that, the sidepiece of described interior ring-shaped step (8) is for being arranged on main body (1) radially and monoblock type is held the bearing shell of the radial plain bearing (10) between the section of leading (2), and the top of described interior ring-shaped step (8) is for being arranged on the bearing shell of the thrust slide bearing (11) between interior ring-shaped step (8) and the annular shaft shoulder (9).
4. according to claim 2 or 3 described keyless drill chuck monoblock types are held and are led assembly, it is characterized in that, described interior ring-shaped step (8) top is provided with for the fixing syndeton of the axle bed (13) of composite bearing (12).
5. keyless drill chuck monoblock type according to claim 4 is held and is led assembly, it is characterized in that, described syndeton comprise for and axle bed (13) on the connecting thread section (16) that is threaded of axle bed thread segment (15) and be arranged on connecting thread section (16) top and be used for the positioning step (18) that embeds for the location division (17) on axle bed (13).
6. keyless drill chuck monoblock type according to claim 5 is held and is led assembly, it is characterized in that described positioning step (18) and location division (17) tight fit.
7. according to claim 2 or 3 described keyless drill chuck monoblock types are held and are led assembly, it is characterized in that, described monoblock type is held the section of leading (4) inboard and is provided with oil storage tank (19), described oil storage tank (19) is arranged on the planar annular of interior ring-shaped step (8), perhaps be arranged on monoblock type and hold between the planar annular of the inwall of the section of leading (4) and interior ring-shaped step (8), perhaps be arranged on the inwall that monoblock type is held the section of leading (4).
8. according to claim 1 and 2 or 3 described keyless drill chuck monoblock types are held and are led assembly, it is characterized in that, described monoblock type holds that the section of leading (4) peripheral hardware is useful on and the friction tight outer ring step in socket part (20) (21) of end shield (2) and be positioned at being used for and external thread section (23) that the internal thread segment (22) of end shield (2) is threaded of outer ring step (21) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198217 CN203265720U (en) | 2013-04-18 | 2013-04-18 | Self-tight drill chuck integral type bearing guide assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198217 CN203265720U (en) | 2013-04-18 | 2013-04-18 | Self-tight drill chuck integral type bearing guide assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203265720U true CN203265720U (en) | 2013-11-06 |
Family
ID=49496213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320198217 Expired - Fee Related CN203265720U (en) | 2013-04-18 | 2013-04-18 | Self-tight drill chuck integral type bearing guide assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203265720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212738A (en) * | 2013-04-18 | 2013-07-24 | 玉环胜友工具有限公司 | Integrated guide assembly of self-clinching drill chuck |
| WO2014169854A1 (en) * | 2013-04-18 | 2014-10-23 | You Yihua | Composite bearing for self-tightening drill chuck |
-
2013
- 2013-04-18 CN CN 201320198217 patent/CN203265720U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212738A (en) * | 2013-04-18 | 2013-07-24 | 玉环胜友工具有限公司 | Integrated guide assembly of self-clinching drill chuck |
| WO2014169854A1 (en) * | 2013-04-18 | 2014-10-23 | You Yihua | Composite bearing for self-tightening drill chuck |
| CN103212738B (en) * | 2013-04-18 | 2016-12-28 | 玉环胜友工具有限公司 | Keyless drill chuck monoblock type is held and is led assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170418 |