CN203818063U - Double-head bolt sleeve - Google Patents
Double-head bolt sleeve Download PDFInfo
- Publication number
- CN203818063U CN203818063U CN201420094500.1U CN201420094500U CN203818063U CN 203818063 U CN203818063 U CN 203818063U CN 201420094500 U CN201420094500 U CN 201420094500U CN 203818063 U CN203818063 U CN 203818063U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- push rod
- stud
- die cavity
- hole
- 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.)
- Expired - Lifetime
Links
- 230000004323 axial length Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
The utility model discloses a double-head bolt sleeve, wherein a first sleeve and a second sleeve are fixedly connected in a threaded manner, two radial first positioning holes are symmetrically formed in the first sleeve, and two radial second positioning holes are symmetrically formed in the second sleeve; two positioning pins are respectively inserted into the second positioning holes after penetrating through the first positioning holes; one end of each of the first sleeve and the second sleeve is respectively provided with an axial first cavity; a thrust ball bearing props against the end part of each first cavity; a core ejection rod comprises a first ejection rod, a connecting core rod and a second ejection rod, wherein the first ejection rod is inserted into each thrust ball bearing, and the second ejection rod is inserted into a second cavity; two ends of a spring respectively prop against the end parts of the connecting core rod and the second sleeve; the other end of the first sleeve is provided with square holes communicated with the first cavities; the other end of the second sleeve is provided with a threaded hole communicated with the second cavity. According to the double-head bolt sleeve disclosed by the utility model, the phenomenon of torque loss as a bolt is integrally withdrawn or loosened can be effectively avoided in an axial action force unloading process, and thus the product quality is ensured.
Description
Technical field
The utility model relates to stud sleeve technology field, relates in particular to a kind of stud sleeve.
Background technology
Current, the mounting means with hand-operated tools or automated tool in conjunction with the fastening stud of stud sleeve, more extensive in the application of auto parts and components production occasion.At present, the structure of common double hook bolt sleeve is integral type tube-in-tube structure, its one end connects hand-operated tools or automated tool, the other end connects stud, in use hand-operated tools or automated tool are connected to insertion link, and pull the sleeve that connects stud, can reach stud and assemble fastening effect.But, when the axial force on stud top unloading in torsion control procedure, often understand that bolt together exits or loosening phenomenon and cause torsion loss, thereby bring hidden danger to product quality.Therefore, how in axial force uninstall process, to avoid bolt to exit together or become flexible, thereby avoiding destroying product quality, having become those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The technical problem existing based on background technology, the utility model proposes a kind of stud sleeve, in axial force uninstall process, can effectively avoid bolt to exit together or phenomenon loosening and that cause torsion to lose, thereby ensure product quality, reduce product quality loss, improved operating efficiency.
A kind of stud sleeve the utility model proposes, comprising: the first sleeve, thrust ball bearing, core push rod, spring, alignment pin and the second sleeve; The first sleeve is fixedly connected with by engage thread with the second sleeve, on the first sleeve, be arranged with two the first locating holes radially, on the second sleeve, be arranged with two the second locating holes radially, two alignment pins are respectively by the first locating hole and be through in the second locating hole; Offer the first axial die cavity in first sleeve one end, offer the second axial die cavity in second sleeve one end, thrust ball bearing is resisted against the end of the first die cavity, core push rod comprises the first push rod, connection core bar and second push rod of coaxial setting, the diameter that connects core bar is greater than the diameter of the first push rod, the second push rod, the first push rod is inserted in thrust ball bearing, and the second push rod inserts in the second die cavity, and both ends of the spring is resisted against respectively the end that connects core bar and the second sleeve; Be provided with at the first sleeve other end square opening being communicated with the first die cavity, be provided with at the second sleeve other end screwed hole being communicated with the second die cavity.
Preferably, the first locating hole is the waist through hole that radical length is greater than axial length, and the axial length of the first locating hole is greater than the diameter of alignment pin.
Preferably, the second locating hole is manhole.
Preferably, the equal diameters of the first push rod and the second push rod.
Preferably, the first die cavity is communicated with by connecting through hole with square opening, and the diameter of connecting through hole is less than the diameter of the first die cavity.
Preferably, in the first die cavity of the first sleeve, week be provided with internal thread, be provided with external screw thread in the second sleeve periphery, the first sleeve is fixedly connected with by engage thread with the second sleeve.
Preferably, the first sleeve, core push rod and the second sleeve all adopt vacuum hardening processing.
In the utility model, in the course of the work, hand-operated tools or automated tool are inserted in the square opening of the first sleeve, stud is aimed at the screwed hole of the second sleeve, by pulling the first sleeve and driving the second sleeve to rotate by alignment pin, the second sleeve easily screws in stud the second cavity of the second sleeve, stud head and core push rod lower end can drive stud and be screwed in workpiece while offseting, by oppositely pulling the first sleeve and driving the second sleeve to rotate by alignment pin, because alignment pin is engaged in mounting hole, two sleeves can separate certain distance effectively, thereby make that stud and core push rod are effective to be separated and unloading, final whole sleeve and stud are separated from each other and exit.Stud sleeve can effectively avoid bolt to exit together or phenomenon loosening and that cause torsion to lose in axial force uninstall process, thereby has ensured product quality, has reduced product quality loss, has improved operating efficiency.
Brief description of the drawings
Fig. 1 is the cutaway view of a kind of stud sleeve that the utility model proposes.
Fig. 2 is the explosive view of a kind of stud sleeve that the utility model proposes.
Detailed description of the invention
As depicted in figs. 1 and 2, Fig. 1 is the cutaway view of a kind of stud sleeve that the utility model proposes, and Fig. 2 is the explosive view of a kind of stud sleeve that the utility model proposes.
See figures.1.and.2, the utility model proposes a kind of stud sleeve, comprising: the first sleeve 1, thrust ball bearing 2, core push rod 3, spring 4, alignment pin 5 and the second sleeve 6; Wherein:
The first sleeve 1 is fixedly connected with by engage thread with the second sleeve 6, on the first sleeve 1, be arranged with two the first locating holes 10 radially, on the second sleeve 6, be arranged with two 60, two alignment pins 5 of the second locating hole radially respectively by the first locating hole 10 and be through in the second locating hole 60;
Offer the first axial die cavity 11 in first sleeve 1 one end, offer the second axial die cavity 61 in second sleeve 6 one end, thrust ball bearing 2 is resisted against the end of the first die cavity 11, core push rod 3 comprises the first push rod 31 of coaxial setting, connect core bar 32 and the second push rod 33, the diameter that connects core bar 32 is greater than the first push rod 31, the diameter of the second push rod 32, the equal diameters of the first push rod 31 and the second push rod 32, the first push rod 31 is inserted in thrust ball bearing 2, the second push rod 32 inserts in the second die cavity 60, spring 4 two ends are resisted against respectively the end that connects core bar 32 and the second sleeve 6,
Be provided with at first sleeve 1 other end square opening 12, the first die cavities 11 that are communicated with the first die cavity 11 and be communicated with by connecting through hole 13 with square opening 12, the diameter of connecting through hole 13 is less than the diameter of the first die cavity 11; Be provided with at second sleeve 6 other ends screwed hole 62 being communicated with the second die cavity 61.
In the present embodiment, in the course of the work, hand-operated tools or automated tool are inserted in the square opening of the first sleeve, stud is aimed at the screwed hole of the second sleeve, by pulling the first sleeve and driving the second sleeve to rotate by alignment pin, the second sleeve easily screws in stud the second cavity of the second sleeve, stud head and core push rod lower end can drive stud and be screwed in workpiece while offseting, by oppositely pulling the first sleeve and driving the second sleeve to rotate by alignment pin, because alignment pin is engaged in mounting hole, two sleeves can separate certain distance effectively, thereby make that stud and core push rod are effective to be separated and unloading, final whole sleeve and stud are separated from each other and exit.Like this, stud sleeve can effectively avoid bolt to exit together or phenomenon loosening and that cause torsion to lose in axial force uninstall process, thereby has ensured product quality, has reduced product quality loss, has improved operating efficiency.
In specific embodiment, the first locating hole 10 is greater than the waist through hole of axial length for radical length, and the axial length of the first locating hole 10 is greater than the diameter of alignment pin 5, and the second locating hole 60 is manhole; The first sleeve 1 is fixedly connected with by engage thread with the second sleeve 6, further, alignment pin 5 can carry out motion axially and radially at the first locating hole 10, alignment pin 5 is fixed in the second locating hole 60, carrying out can retaining certain formation surplus in torsion control procedure, and improve the unloading convenience of stud sleeve after assembling.
The first interior week of die cavity 11 at the first sleeve 1 is provided with internal thread, is provided with external screw thread in the second sleeve 6 peripheries, and the first sleeve 1 is fixedly connected with by engage thread with the second sleeve 6; In the time of structural design, adopt double-sleeve structure, improved reliability requirement and the convenience requirement of stud sleeve, it is easy to maintenance rapidly.
The first sleeve 1, core push rod 3 and the second sleeve 6 all adopt vacuum hardening processing, have improved reliability and the durability of stud sleeve.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection domain of the present utility model.
Claims (7)
1. a stud sleeve, is characterized in that, comprising: the first sleeve (1), thrust ball bearing (2), core push rod (3), spring (4), alignment pin (5) and the second sleeve (6), the first sleeve (1) is fixedly connected with by engage thread with the second sleeve (6), on the first sleeve (1), be arranged with two the first locating holes (10) radially, on the second sleeve (6), be arranged with two the second locating holes (60) radially, two alignment pins (5) are respectively by the first locating hole (10) and be through in the second locating hole (60), offer axial the first die cavity (11) in the first sleeve (1) one end, offer axial the second die cavity (61) in the second sleeve (6) one end, thrust ball bearing (2) is resisted against the end of the first die cavity (11), core push rod (3) comprises first push rod (31) of coaxial setting, connect core bar (32) and the second push rod (33), the diameter that connects core bar (32) is greater than the first push rod (31), the diameter of the second push rod (32), the first push rod (31) is inserted in thrust ball bearing (2), the second push rod (32) inserts in the second die cavity (60), spring (4) two ends are resisted against respectively the end that connects core bar (32) and the second sleeve (6), be provided with the square opening (12) being communicated with the first die cavity (11) at the first sleeve (1) other end, be provided with the screwed hole (62) being communicated with the second die cavity (61) at the second sleeve (6) other end.
2. stud sleeve according to claim 1, is characterized in that, the first locating hole (10) is greater than the waist through hole of axial length for radical length, and the axial length of the first locating hole (10) is greater than the diameter of alignment pin (5).
3. stud sleeve according to claim 1, is characterized in that, the second locating hole (60) is manhole.
4. stud sleeve according to claim 1, is characterized in that, the equal diameters of the first push rod (31) and the second push rod (32).
5. stud sleeve according to claim 1, is characterized in that, the first die cavity (11) is communicated with by connecting through hole (13) with square opening (12), and the diameter of connecting through hole (13) is less than the diameter of the first die cavity (11).
6. stud sleeve according to claim 1, it is characterized in that, in first die cavity (11) of the first sleeve (1), week be provided with internal thread, be provided with external screw thread in the second sleeve (6) periphery, the first sleeve (1) is fixedly connected with by engage thread with the second sleeve (6).
7. according to the stud sleeve described in any one in claim 1-6, it is characterized in that, the first sleeve (1), core push rod (3) and the second sleeve (6) all adopt vacuum hardening processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094500.1U CN203818063U (en) | 2014-03-03 | 2014-03-03 | Double-head bolt sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094500.1U CN203818063U (en) | 2014-03-03 | 2014-03-03 | Double-head bolt sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818063U true CN203818063U (en) | 2014-09-10 |
Family
ID=51473606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094500.1U Expired - Lifetime CN203818063U (en) | 2014-03-03 | 2014-03-03 | Double-head bolt sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203818063U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816274A (en) * | 2015-05-21 | 2015-08-05 | 安徽安凯汽车股份有限公司 | Installing fixture for double armed bolt |
| CN110315329A (en) * | 2019-07-23 | 2019-10-11 | 嘉兴希力工业科技有限公司 | A kind of studs automatic screwing device and automobile engine studs assembly line |
| CN114523450A (en) * | 2022-02-25 | 2022-05-24 | 新疆金风科技股份有限公司 | Stud screwing device |
-
2014
- 2014-03-03 CN CN201420094500.1U patent/CN203818063U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816274A (en) * | 2015-05-21 | 2015-08-05 | 安徽安凯汽车股份有限公司 | Installing fixture for double armed bolt |
| CN110315329A (en) * | 2019-07-23 | 2019-10-11 | 嘉兴希力工业科技有限公司 | A kind of studs automatic screwing device and automobile engine studs assembly line |
| CN114523450A (en) * | 2022-02-25 | 2022-05-24 | 新疆金风科技股份有限公司 | Stud screwing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |