CN201471364U - Shaft puller for assembling steering column shaft assembly - Google Patents
Shaft puller for assembling steering column shaft assembly Download PDFInfo
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- CN201471364U CN201471364U CN2009202280961U CN200920228096U CN201471364U CN 201471364 U CN201471364 U CN 201471364U CN 2009202280961 U CN2009202280961 U CN 2009202280961U CN 200920228096 U CN200920228096 U CN 200920228096U CN 201471364 U CN201471364 U CN 201471364U
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Abstract
The utility model relates to a shaft puller for assembling a steering column shaft assembly, which belongs to the technical field of the assembly equipment of an automobile steering column shaft assembly, and comprises a pneumatic torsion device and a single-column piston hydraulic cylinder assembly, wherein the pneumatic torsion device comprises a connecting sleeve, a shaft pulling sleeve and a WD pneumatic wrench, and one end of the WD pneumatic wrench is connected with the connecting sleeve through screw threads; the shaft pulling sleeve is arranged in the connecting sleeve, and the single-column piston hydraulic cylinder assembly comprises an upper end cover, a lower end cover, an annular sliding shaft and an annular sleeve; the annular sliding shaft is arranged on the upper end cover, and the annular sleeve is arranged on the annular sliding shaft; and the lower end cover is arranged at one end of the annular sleeve, and the other end thereof is connected with the upper end cover through screw threads. The utility model can quickly and smoothly tighten and loosen a shaft and allow the shaft assembly to be arranged in a bearing position in a pulling way, solves the problems that the existing press mounting accessory is easy to cause the damage or failure of an energy-absorbing structure of the steering shaft assembly, has stable transmission, safety and stability, greatly improves production efficiency and reduces the rejection rate of products.
Description
Technical field:
The utility model relates to a kind of pulling shaft device that is used to assemble the steering column axle assembly, belongs to car steering tube column axle assembly assembly appliance technical field.
Technical background:
The present steering column used of automobile all is by two bearings steering spindle assembly and column jecket assembly to be formed by connecting to turning to assembly, and being connected of steering spindle assembly and bearing is by interference fit together.But the requirement that axially should have the crumple energy-absorbing of the steering spindle assembly of steering column on the structure Design (mainly is when colliding; axle can crumple under certain requirement; play protection driver's effect); so the axle of steering spindle assembly and pipe are by injection moulding or get interference ready and be assembled into; therefore, exert oneself excessive then can cause steering spindle assembly injection moulding endergonic structure destroyed or lost efficacy if make during assembling.Destroyed for preventing steering spindle assembly injection moulding endergonic structure, all to adopt some simply to press-fit accessory before the assembling, but existingly press-fit accessory and all try hard to recommend or compress into luggage and join by the people, the speed that so not only assembles up is slow, efficient is low, and when often appearing at assembling column jecket and steering spindle because of firmly excessive, or steering spindle assembly and brearing bore do not align assembling, and cause steering spindle assembly injection moulding endergonic structure to destroy or inefficacy, cause the product rejection rate height.
Summary of the invention:
The purpose of this utility model is: provide a kind of employing pneumatic torsion means and single-column piston-type hydraulic cylinder assembly to be combined as a whole, can be fast, steadily, reliably axle is tightened and is unclamped, and can fast, stably the steering spindle assembly be loaded exactly in the bearing position of column jecket the inside.Press-fit simply to solve existing employing that the speed that accessory assembling steering column axle assembly caused is slow, efficient is low, and Chang Yin the time exerts oneself excessive or steering spindle assembly and brearing bore do not align assembling in assembling, cause steering spindle assembly injection moulding endergonic structure to destroy or inefficacy, cause a kind of pulling shaft device that is used to assemble the steering column axle assembly of the high problem of product rejection rate.
The utility model is to realize above-mentioned purpose by the following technical solutions:
A kind of pulling shaft device that is used to assemble the steering column axle assembly, it is made of pneumatic torsion means and single-column piston-type hydraulic cylinder assembly, it is characterized in that: pneumatic torsion means is by adapter sleeve, the pulling shaft cover, the WD pneumatic impact spanner constitutes, the threaded one end of WD pneumatic impact spanner is connected with adapter sleeve, is provided with the pulling shaft cover in the adapter sleeve; Single-column piston-type hydraulic cylinder assembly is made of upper end cover, bottom end cover, annular sliding axle, annular cover, combination cover, annular sliding axle is housed on the upper end cover, the combination cover is equipped with by soket head cap screw A in the termination of annular sliding axle, the annular cover is housed on the annular sliding axle, bottom end cover is equipped with in one termination of annular cover, and the other end of annular cover is threaded with upper end cover; Described pneumatic torsion means is connected with the upper end cover of single-column piston-type hydraulic cylinder assembly with soket head cap screw B by adapter sleeve.
Between described annular sliding axle and the bottom end cover compression spring is housed.
Rectangle felt collar oil sealing, O shape rubber seal B and rectangular plastic back-up ring B are installed on the inwall of described annular sliding axle.
O shape rubber seal A and rectangular plastic back-up ring A are installed on the outer wall of described annular sliding axle.
The utility model beneficial effect compared with prior art is:
The structure that the utility model adopts pneumatic torsion means and single-column piston-type hydraulic cylinder assembly to be combined as a whole can be fast, steadily reliably axle is tightened and unclamped, and can fast, stably axle assembly be loaded exactly in the bearing position of column jecket the inside.Avoided existing and press-fited that the accessory assembling speed is slow, efficient is low, caused steering spindle assembly injection moulding endergonic structure to destroy easily or lost efficacy, caused the high problem of product rejection rate, improved production efficiency greatly, reduced the scrappage of product.Pneumatic part of the present utility model adopts the WD pneumatic impact spanner, and its volume is little, and light weight can positive and negatively be rotated, adjusting and very easy to use.Hydraulic part adopts single-acting telescoping cylinder structure, and its structure is simpler, and profile is little, and light weight is manipulated light and fast in the work, and applicability is strong.
Description of drawings:
Fig. 1 is a kind of structural representation that is used to assemble the pulling shaft device of steering column axle assembly;
Fig. 2 is a kind of structural representation of pneumatic torsion means of the pulling shaft device that is used to assemble the steering column axle assembly;
Fig. 3 is a kind of structural representation of single-column piston-type hydraulic cylinder assembly of the pulling shaft device that is used to assemble the steering column axle assembly.
Among the figure: 1, combination cover, 2, soket head cap screw A, 3, annular sliding axle, 4, bottom end cover, 5, compression spring, 6, O shape rubber seal A, 7, rectangular plastic back-up ring A, 8, the annular cover, 9, upper end cover, 10, adapter sleeve, 11, soket head cap screw B, 12, pulling shaft cover, 13, the WD pneumatic impact spanner, 14, rectangle felt collar oil sealing, 15, O shape rubber seal B, 16, rectangular plastic back-up ring B, 17, O shape rubber seal C, 18, slotted screw, 19, rubber gasket, 20, oil-in.
The specific embodiment:
This pulling shaft device that is used to assemble the steering column axle assembly is made of pneumatic torsion means and single-column piston-type hydraulic cylinder assembly, pneumatic torsion means is by adapter sleeve 10, pulling shaft cover 12, WD pneumatic impact spanner 13 constitutes, the threaded one end of WD pneumatic impact spanner 13 is connected with adapter sleeve 10, is provided with pulling shaft cover 12 in the adapter sleeve 10.Single-column piston-type hydraulic cylinder assembly is made of upper end cover 9, bottom end cover 4, annular sliding axle 3, annular cover 8, combination cover 1, annular sliding axle 3 is housed on the upper end cover 9, combination cover 1 is equipped with by soket head cap screw A2 in the termination of annular sliding axle 3, annular cover 8 is housed on the annular sliding axle 3, one end of annular cover 8 is equipped with bottom end cover 4, and the other end of annular cover 8 is threaded with upper end cover 9.Upper end cover 9 is provided with oil-in 20; Compression spring 5 is housed between annular sliding axle 3 and the bottom end cover 4.Pneumatic torsion means is connected with the upper end cover 9 of single-column piston-type hydraulic cylinder assembly with soket head cap screw B11 by adapter sleeve 10.
Have 2 annular inside grooves on the inwall of annular sliding axle 3, be separately installed with rectangle felt collar oil sealing 14, O shape rubber seal B15 and rectangular plastic back-up ring B16 in the groove; Have annular water jacket on the outer wall of annular sliding axle 3, O shape rubber seal A6 and rectangular plastic back-up ring A7 (referring to accompanying drawing 1-3) are housed in the groove.
Assembling process of the present utility model is first after loading onto O shape rubber seal C17 on the upper end cover 9, forms an annular cylinder by being threaded with annular cover 8.On the water jacket of annular sliding axle 3, install O shape rubber seal A6, rectangular plastic back-up ring A7 more successively, on the inside groove of annular sliding axle 3, install rectangle felt collar oil sealing 14, O shape rubber seal B15, rectangular plastic back-up ring B16 form a piston assembly, with after coating lubricating grease inside and outside the piston assembly, sliding is pushed in the above-mentioned annular cylinder that assembles then; Between annular sliding axle 3 and bottom end cover 4, install compression spring 5, the bottom end cover 4 of packing in the termination of annular sliding axle 3, then single-column piston-type hydraulic cylinder assembly assembling is finished, and piston assembly is compressed spring 5 and is compressed to inner end.By protracting of single-column piston-type hydraulic cylinder, and pulling shaft cover 12 and single-column piston-type hydraulic cylinder are moved in the opposite direction realize the process of drawing.
Load onto special-purpose pulling shaft cover 12 according to the external screw thread size of different product then, by soket head cap screw B11 adapter sleeve 10 is connected with the upper end cover 9 of hydraulic cylinder assembly, load onto WD pneumatic impact spanner 13 and rubber gasket 19, and tighten slotted screw 18, load onto special-purpose combination cover 1 according to the needs of different product at last, then the pneumatic torsion means assembling is finished.
WD pneumatic impact spanner 13 is connected the pneumatic torsion means that one of back composition can positive and negative rotation by adapter sleeve 10 and pulling shaft cover 12, is used for transmitting turning moment.Can design pulling shaft cover 12 according to the axle and the different thread forms of pipe part of those destructibles in actual production, positive and negative the transferring of utilizing pneumatic torsion means then locked part or unclamped.Effectively make up by pneumatic torsion means and single-column piston-type hydraulic cylinder, promptly can be steadily, effectively injection moulding or the axle assembly drawing of getting interference ready are assembled on the bearing position in the column jecket assembly.
During the workpiece assembling, connect pneumatic tube (not drawing among the figure) on the blow vent of WD pneumatic impact spanner 13, when pressing baroswitch, the axle of pneumatic torsion means will drive pulling shaft cover 12 and rotate, and pulling shaft cover 12 also can be followed commutation together when 13 commutations of WD pneumatic impact spanner.When pulling shaft cover 12 is locked axial workpiece by the front end internal thread, and when the cover 1 that axially is combined props up, oil-in 20 on the upper end cover 9 feeds hydraulic oil in oil cylinder, piston assembly begins to move forward stably and make 5 compressions of compression spring under the pressure of hydraulic oil, when shaft-like workpiece was pulled to the bearing position of requirement, piston assembly was slack.With commutation of WD pneumatic impact spanner 13 rotation directions and startup jettron, this moment, whole pulling shaft device just withdrawed from workpiece automatically then.
The utility model whole operation process is very simple, and stable drive in assembling process is safe and reliable, has not only reduced the scrappage of product, has improved production efficiency of products more widely.
Claims (4)
1. pulling shaft device that is used to assemble the steering column axle assembly, it is made of pneumatic torsion means and single-column piston-type hydraulic cylinder assembly, it is characterized in that: pneumatic torsion means is by adapter sleeve (10), pulling shaft cover (12), WD pneumatic impact spanner (13) constitutes, the threaded one end of WD pneumatic impact spanner (13) is connected with adapter sleeve (10), is provided with pulling shaft cover (12) in the adapter sleeve (10); Single-column piston-type hydraulic cylinder assembly is by upper end cover (9), bottom end cover (4), annular sliding axle (3), annular cover (8), combination cover (1) constitutes, annular sliding axle (3) is housed on the upper end cover (9), combination cover (1) is equipped with by soket head cap screw A (2) in the termination of annular sliding axle (3), annular cover (8) is housed on the annular sliding axle (3), bottom end cover (4) is equipped with in one termination of annular cover (8), the other end of annular cover (8) is threaded with upper end cover (9), and described pneumatic torsion means is connected with the upper end cover (9) of single-column piston-type hydraulic cylinder assembly with soket head cap screw B (11) by adapter sleeve (10).
2. the pulling shaft device that is used to assemble the steering column axle assembly according to claim 1 is characterized in that: compression spring (5) is housed between described annular sliding axle (3) and the bottom end cover (4).
3. the pulling shaft device that is used to assemble the steering column axle assembly according to claim 1 is characterized in that: rectangle felt collar oil sealing (14), O shape rubber seal B (15) and rectangular plastic back-up ring B (16) are installed on the inwall of described annular sliding axle (3).
4. the pulling shaft device that is used to assemble the steering column axle assembly according to claim 1 is characterized in that: O shape rubber seal A (6) and rectangular plastic back-up ring A (7) are installed on the outer wall of described annular sliding axle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202280961U CN201471364U (en) | 2009-09-10 | 2009-09-10 | Shaft puller for assembling steering column shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202280961U CN201471364U (en) | 2009-09-10 | 2009-09-10 | Shaft puller for assembling steering column shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201471364U true CN201471364U (en) | 2010-05-19 |
Family
ID=42407605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202280961U Expired - Fee Related CN201471364U (en) | 2009-09-10 | 2009-09-10 | Shaft puller for assembling steering column shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201471364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107353A (en) * | 2011-01-14 | 2011-06-29 | 上海采埃孚转向系统有限公司 | Press-mounting device for automobile steering column fittings and press-mounting method thereof |
| CN110216625A (en) * | 2019-07-03 | 2019-09-10 | 江苏骄阳转向技术有限公司 | Vehicle electric power-assisted steering device assembly shaft puller |
-
2009
- 2009-09-10 CN CN2009202280961U patent/CN201471364U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107353A (en) * | 2011-01-14 | 2011-06-29 | 上海采埃孚转向系统有限公司 | Press-mounting device for automobile steering column fittings and press-mounting method thereof |
| CN102107353B (en) * | 2011-01-14 | 2012-05-23 | 上海采埃孚转向系统有限公司 | Automobile steering column fitting press-fitting device and press-fitting method thereof |
| CN110216625A (en) * | 2019-07-03 | 2019-09-10 | 江苏骄阳转向技术有限公司 | Vehicle electric power-assisted steering device assembly shaft puller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120910 |