CN204843484U - Stud assembly jig - Google Patents
Stud assembly jig Download PDFInfo
- Publication number
- CN204843484U CN204843484U CN201520648623.XU CN201520648623U CN204843484U CN 204843484 U CN204843484 U CN 204843484U CN 201520648623 U CN201520648623 U CN 201520648623U CN 204843484 U CN204843484 U CN 204843484U
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- CN
- China
- Prior art keywords
- studs
- stud
- screw
- sleeve
- nut
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- 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 - Fee Related
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Abstract
The utility model relates to a stud assembly jig uses the sleeve to cup joint stud's optical axis, fastening tip position when stud installs to using cooperation screw and sleeve to cooperate, pushing up tight stud's fastening end, can ensure the screw -in depth one -time -reach -place of the tight end in stud top, the setting can prevent to slide between sleeve and the stud at the cooperation screw on nut top, influences assembly efficiency, the sleeve is including fixed cylinder and the nut that links to each other, round hole and inner screw hole set gradually in the cylinder, the size of round hole and stud's optical axis position size phase -match, inner screw hole's size and stud's fastening end size phase -match, stud's optical axis cover is established in the round hole during use, stud's fastening end and inner screw hole screw -thread fit, the sleeve has increased stud and by the area of contact between the connecting piece, can avoid the stud screw in excessively to cause and ground the wound by the connecting piece terminal surface, especially, thin wall spare.
Description
Technical field
The utility model relates to assembly tool, especially relates to a kind of studs assembling jig for installing studs.
Background technology
Studs, is also double-threaded screw or stud, for connecting the fixed-link function of machinery, is widely used in Automatic manual transmission.There is screw thread at stud two, and mid portion is optical axis, and generally one end relatively short for screw thread is screwed in connected piece as holding out against end, one end that screw thread is relatively grown is fixed by coordinating with bolt after blind hole as fastening end.
People mainly adopt elder generation on studs relatively to tighten two nuts for the assembly method of studs, then pulling nut by spanner is assembled on workpiece by studs, on studs, the screw thread at clamp nut place is easily subject to the extruding of external force and issues distortion, affects the use of studs.Especially in the field of aviation machinery that parts size precision is high, during studs assembling, associated screwed hole all belongs to interference fit, the interference tightness (magnitude of interference) of technological requirement must be ensured during assembling, therefore require once to be seated, if end will be held out against during assembling revolved deeply, cause the fastening end of the studs stayed outside connector and the insufficient height of optical axis portion, at this moment do not allow to adopt the mode of convolution to adjust highly, because the magnitude of interference between stud and screw can be destroyed, so the grade apolegamy ad eundem stud refitting of screw again must be strengthened, greatly reduce operating efficiency, even part rejection is caused time serious, equally, if it is inadequate to hold out against end screw-in depth, affects bonding strength, cause part to come off, aircraft accident can be caused awing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of studs assembling jig that studs can be held out against the disposable screw-in of end and put in place.
In order to solve the problem, the technical solution of the utility model uses sleeve by the optical axis of studs, the socket of position, fastening end when being studs installation, and collaboration screw coordinates with sleeve, hold out against the fastening end of studs, when guaranteeing to assemble, studs holds out against the screw-in depth one-time-reach-place of end.
A kind of studs assembling jig, described studs assembling jig comprises the sleeve at optical axis for being socketed studs, position, fastening end, for the attachment screw of threaded engagement in described sleeve outer end; Attachment screw, for holding out against the fastening end of studs, can guarantee that studs holds out against the screw-in depth one-time-reach-place of end.
Described sleeve comprises the cylinder and nut that are fixedly linked, described nut is hexagon, circular hole and inner bolt hole is set gradually in described cylinder, the size of described circular hole and the optical axis spot size of described studs match, and the radius of described circular hole is greater than the radius of the optical axis of described studs, the size of described inner bolt hole and the fastening end size of described studs match, during use, the optical axis of studs is set in described circular hole, the fastening end of studs and described inner bolt hole threaded engagement, sleeve increases the contact area between studs and connected piece, studs can be avoided to screw in excessively causes connected piece end face to grind wound, especially thin-wall part.
Be provided with cooperation screw in described nut, described cooperation screw communicates with described inner bolt hole, and the screw thread of described cooperation screw is fine thread, has firm performance preferably, not easily loosens in use.
Further, the radius of described cooperation screw is greater than the radius of described inner bolt hole, is convenient to the fastening end that attachment screw holds out against studs.
Described attachment screw comprises the thread segment, changeover portion and the hexagonal (hexagon)nut that are connected successively, and described thread segment is provided with fine thread, coordinates screw threaded engagement during assembling with described.When screwing described sleeve, the attachment screw being arranged on described nut place can prevent from sliding between described sleeve and described studs, affects efficiency of assembling.
The radius of described changeover portion is less than the radius of described thread segment, and studs assembling jig is not easily loosened in use, keeps the stability of size, can finely tune size where necessary again.Described hexagonal (hexagon)nut coordinates with torque spanner, uses when unloading lower clamp after assembling completes.
A method of work for studs assembling jig, comprises following concrete steps:
A. connected piece is fixed on the table.
B. by the thread segment threaded engagement of attachment screw in the cooperation screw of sleeve outer end.
C. be screwed into the fastening end of studs in the inner bolt hole of described sleeve, the fastening end to described studs is pushed up on the end face of described attachment screw, and the optical axis of described studs is socketed in the circular hole of described sleeve.
D. curing agent and glue is brushed by staying holding out against in end and screw to be assembled of the studs of studs assembling jig outside, then the end that holds out against of described studs is screwed in screw to be assembled in advance, slowly be screwed into the end that holds out against of nut described in instrumental purpose by described studs again, stop immediately screwing when the end face of described sleeve has just contacted connected piece end face, prevent the end face of described sleeve from grinding the end face of hindering connected piece.
E. taking off tool, first screws out attachment screw in sleeve, then is screwed out the fastening end of sleeve from studs.
Further, in steps A, use medium studs and screw to be assembled to be cleaned up, described medium is absolute ethyl alcohol, effectively can remove grease, volatilizees fast simultaneously, assembling better effects if.
Further, the pre-screw-in in step D comprises the nut grasping described sleeve, the end that holds out against of described studs is screwed in screw one to two circle to be assembled, ensures assembling perpendicularity.
Further, the instrument in described step D is torque spanner, and what effectively can control studs screws moment.
The technique effect of utility model: (1) studs assembling jig of the present utility model, relative to prior art, use sleeve by the optical axis of studs, the socket of position, fastening end, prevent studs transition from screwing in connected piece, guarantee the screw-in depth one-time-reach-place holding out against end; (2) attachment screw being arranged on nut top can prevent from sliding between sleeve and studs, affects efficiency of assembling; (3) sleeve increases the contact area between studs and connected piece, studs can be avoided to screw in and excessively cause connected piece end face to grind wound, especially thin-wall part.
Accompanying drawing explanation
Below in conjunction with Figure of description, the utility model is described in further detail:
Fig. 1 is the structural representation of the sleeve of the utility model studs assembling jig;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation of the attachment screw of the utility model studs assembling jig;
Fig. 4 is the assembling schematic diagram of the utility model studs assembling jig;
Fig. 5 is the use schematic diagram of the utility model studs assembling jig.
In figure: sleeve 1, cylinder 11, nut 12, circular hole 13, inner bolt hole 14, coordinate screw 15, attachment screw 2, thread segment 21, hexagonal (hexagon)nut 22, changeover portion 23, studs 3, holds out against end 31, optical axis 32, fastening end 33.
Detailed description of the invention
Embodiment 1 as shown in Figures 1 to 5; the studs assembling jig of the present embodiment; use when stationary engine blast pipe casing; blast pipe casing is except normal mechanical processing; last procedure is 18 M5 studs 3 are carried out in pincers worker at the end face of casing assembly work by technological requirement; studs 3 length used is 39mm; wherein hold out against the long 7mm of end 31; the long 22mm of optical axis 32; the long 10mm in fastening end 33; wherein the reserved assembling length requirement of fastening end 33 and optical axis 32 is 32mm(0 ,+0.5mm).
The studs assembling jig of the present embodiment comprises the attachment screw 2 that sleeve 1 that overall length is 42mm and overall length are 20mm, sleeve 1 comprises cylinder 11 and nut 12, the length of cylinder 11 is 32mm, outside diameter is 10mm, increase the contact area between studs 3 and connected piece, studs 3 can be avoided to screw in and excessively cause connected piece end face to grind wound.
The inner bolt hole 14 that circular hole 13 that length is 22mm and length are 10mm is set gradually in cylinder 1, the diameter of circular hole 13 is 6mm, be greater than the diameter of optical axis 32 part of studs 3, during use, the optical axis 32 of studs 3 is set in circular hole 13, fastening end 33 and inner bolt hole 14 threaded engagement of studs 3.
The length of nut 2 is 10mm, and nut 2, in hexagon, is provided with M8 and coordinates screw 15 in nut 2, coordinate screw 15 to communicate with inner bolt hole 14, the screw thread coordinating screw 15 is fine thread, has firm performance preferably, not easily loosens in use.
Attachment screw 2 comprises the thread segment 21, changeover portion 23 and the hexagonal (hexagon)nut 22 that are connected successively, thread segment 21 is provided with fine thread, effective length is 8mm, during assembling with coordinate screw 15 threaded engagement, the length of changeover portion 23 is 2mm, when screwing sleeve 1, the attachment screw 2 being arranged on nut 12 place can prevent from sliding between sleeve 1 and studs 3, affects efficiency of assembling.
The radius of changeover portion 23 is less than the radius of thread segment 21, and studs assembling jig is not easily loosened in use, keeps the stability of size, can finely tune size where necessary again.
Following concrete steps are comprised during work:
A. blast pipe casing is fixed on the table, use absolute ethyl alcohol studs 3 and screw to be assembled to be cleaned up.
B. by thread segment 21 threaded engagement of attachment screw 2 in the cooperation screw 15 of sleeve 1 outer end, attachment screw 2 and sleeve 1 are fitted completely.
C. screw in the inner bolt hole 14 of sleeve 1 by the fastening end 33 of studs 3, the fastening end 33 to studs 3 is pushed up on the end face of attachment screw 2, and now the optical axis 32 of studs 3 is socketed in the circular hole 13 of sleeve 1.
D. curing agent and glue is brushed by staying holding out against in end 31 and screw to be assembled of the studs 3 of studs assembling jig outside, then the nut 12 of sleeve 1 is grasped, screw in one to two circle, again torque spanner be enclosed within nut 12 slowly screws in into, stop immediately screwing when the end face of sleeve 1 has just contacted connected piece end face, prevent the end face of sleeve 1 from grinding the end face of hindering connected piece.
E. take off torque spanner, two open-end wrench are stuck on nut 12 and hexagonal (hexagon)nut 22, attachment screw 2 is screwed out in sleeve 1, then the fastening end 33 of sleeve 1 from studs 3 is screwed out.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present utility model or change and are still among protection domain of the present utility model.
Claims (4)
1. a studs assembling jig, is characterized in that, comprising: for being socketed the optical axis (32) of studs (3), the sleeve (1) at fastening end (33) position, for the attachment screw (2) of threaded engagement in described sleeve (1) outer end; Attachment screw (2) is for holding out against the fastening end (33) of studs (3).
2. studs assembling jig according to claim 1, it is characterized in that, described sleeve (1) comprises the cylinder (11) and nut (12) that are fixedly linked, circular hole (13) and inner bolt hole (14) is set gradually in described cylinder (11), the size of described circular hole (13) and optical axis (32) size of described studs (3) match, and the size of described inner bolt hole (14) and fastening end (33) size of described studs (3) match.
3. studs assembling jig according to claim 2, is characterized in that, described nut (12) is in hexagon, and be provided with in described nut (12) and coordinate screw (15), described cooperation screw (15) communicates with described inner bolt hole (14).
4. studs assembling jig according to claim 1, it is characterized in that, described attachment screw (2) comprises the thread segment (21), changeover portion (23) and the hexagonal (hexagon)nut (22) that are connected successively, described thread segment (21) is provided with fine thread, coordinates screw (15) threaded engagement during assembling with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520648623.XU CN204843484U (en) | 2015-08-25 | 2015-08-25 | Stud assembly jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520648623.XU CN204843484U (en) | 2015-08-25 | 2015-08-25 | Stud assembly jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204843484U true CN204843484U (en) | 2015-12-09 |
Family
ID=54734081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520648623.XU Expired - Fee Related CN204843484U (en) | 2015-08-25 | 2015-08-25 | Stud assembly jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204843484U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695308A (en) * | 2015-08-25 | 2017-05-24 | 常州兰翔机械有限责任公司 | Assembly fixture for double-end stud, and working method thereof |
| CN114888735A (en) * | 2022-05-30 | 2022-08-12 | 宁夏共享精密加工有限公司 | Positioning device and using method thereof |
-
2015
- 2015-08-25 CN CN201520648623.XU patent/CN204843484U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695308A (en) * | 2015-08-25 | 2017-05-24 | 常州兰翔机械有限责任公司 | Assembly fixture for double-end stud, and working method thereof |
| CN106695308B (en) * | 2015-08-25 | 2019-01-22 | 中国航发常州兰翔机械有限责任公司 | A kind of studs assembling jig and its working method |
| CN114888735A (en) * | 2022-05-30 | 2022-08-12 | 宁夏共享精密加工有限公司 | Positioning device and using method thereof |
| CN114888735B (en) * | 2022-05-30 | 2024-01-02 | 宁夏共享精密加工有限公司 | Positioning device and application method thereof |
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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 |
Granted publication date: 20151209 Termination date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |