CN100402871C - Shaft fastening device - Google Patents
Shaft fastening device Download PDFInfo
- Publication number
- CN100402871C CN100402871C CNB2005101037521A CN200510103752A CN100402871C CN 100402871 C CN100402871 C CN 100402871C CN B2005101037521 A CNB2005101037521 A CN B2005101037521A CN 200510103752 A CN200510103752 A CN 200510103752A CN 100402871 C CN100402871 C CN 100402871C
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- positioning
- shaft
- fastening device
- hole
- elastic component
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Abstract
The invention discloses a shaft-buckle equipment. When one controlling pin moves to the first position in up-down direction convex location of the pin braces an elastic unit open so as to promote elastic arm of elastic unit bracing out and leave detent of one locating shaft; controlling pin moves to the second position in up-down direction concave location of the pin is corresponded to elastic unit so as to promote at least one of the elastic arm clamps inward detent of locating shaft. So by the convex and concave of controlling pin and elastic force of elastic unit elastic arm of elastic unit is braced out to leave the detent of locating position or clamps inward detent of locating position so as to insert or disengage locating block with locating shaft. The structure of machining and assembling all can be simple and the cost and working hour are decreased.
Description
Technical field
The present invention relates to a kind of shaft fastening device, refer to that especially a kind of being applicable to fastens the shaft fastening device that assembly is up and down used.
Background technique
For general upper and lower assembly,, a shaft fastening device then must be set to fasten upper and lower assembly if desire to make its combination.
See also Fig. 1, stereogram for known vacuum test, wherein show a vacuum test 9, and this vacuum test 9 includes a housing 91 and a lid 92, wherein a side of lid 92 be hubbed on the housing 91, opposite side and being covered on the housing 91, and lid 92 includes a upper plate 901 and a lower plate 902, then organizes respectively with four corners of lower plate 902 in upper plate 901 and is provided with a shaft fastening device 93 to fasten upper plate 901 and lower plate 902.
Please consult Fig. 1, Fig. 2 simultaneously, for the schematic representation before the start of Fig. 1 common shaft fastener device, and Fig. 3 be schematic representation after the start of Fig. 1 common shaft fastener device, above-mentioned each shaft fastening device 93 includes a positioning shaft 94 respectively, reaches an axis hole 95, positioning shaft 94 wherein is mounted on upper plate 901, axis hole 95 is opened in lower plate 902, and positioning shaft 94 is provided with a circular groove 941, is provided with a horizontal positioning rod 951 in the axis hole 95.
When positioning shaft 94 inserts in the axis hole 95, but the portion that slips into 942 sliding sleeves of circular groove 941 are gone into positioning rod 951, rotation positioning axle 94 more afterwards, make stopper part 943 rotations of circular groove 941 and block in positioning rod 951, and therefore reach the fastening of upper plate 901 and lower plate 902.
Yet, desire to be provided with the practice of circular groove 941 in positioning shaft 94, it processes comparatively complicated, makes comparatively difficulty, and the portion that slips into 942 of circular groove 941 and stopper part 943 necessary its length of accurate Calculation and angles, so as to slip into and block in positioning rod 951, simultaneously, how this accurately is mounted on positioning rod 951 in the axis hole 95 also is a big problem, so its production method of traditional as can be known shaft fastening device is very complicated, therefore cost and man-hour all can promote, and are not very good.
Summary of the invention
The object of the present invention is to provide a kind of shaft fastening device.
For achieving the above object, shaft fastening device provided by the invention includes:
A positioning block includes an end face, once putting chamber, a perforation, an and through hole, and this perforation and this through hole run through this positioning block downwards by this end face respectively and also penetrate into this time putting chamber respectively;
One positioning shaft includes a location groove, in this positioning shaft and the corresponding perforation that is inserted in this positioning block and make this positioning groove correspondence be positioned at this time putting chamber place;
One control pin, correspondence is slidedly arranged in the through hole of this positioning block, and this control pin includes an axial slope, and this axial slope radially outward tiltedly goes out to have a protuberance, and the radially inside oblique recess that has of this axial slope; And
One elastic component is placed in the following putting chamber of this positioning block, and the front end of this elastic component corresponds respectively to two sides of this perforation, and the stage casing of this elastic component corresponds respectively to two sides of this through hole.
Described shaft fastening device when wherein this control pin moves up and down to primary importance, is two intermediate portions that strut this elastic component with this protuberance correspondence, and the front end that impels this two elastic arm outwards supports and leaves this positioning groove of this positioning shaft; When this control pin moves up and down to the second place, be two intermediate portions that correspond to this elastic component with this recess, impel this two elastic arm wherein at least the front end of one inwardly clamp this positioning groove of this positioning shaft.
Described shaft fastening device, wherein this elastic component is the U font.
Described shaft fastening device, wherein the front end of this elastic component includes two elastic arms it corresponds respectively to two sides of this perforation, and the stage casing of this elastic component includes two intermediate portions, and it corresponds respectively to two sides of this through hole.
Described shaft fastening device, wherein this positioning block is mounted on assembly, and this positioning shaft is mounted on one assembly and protrudes out towards the below.
Described shaft fastening device, it is mounted on the instrument, and this instrument includes a lid, and this lid includes a upper plate, an and lower plate, and assembly refers to this upper plate on this, and this time assembly refers to this lower plate.
Described shaft fastening device, this instrument and include a housing wherein, a side of this lid is articulated on this housing.
Described shaft fastening device, wherein this instrument is a vacuum test.
Described shaft fastening device, wherein this positioning block and include block on, and a lower cover its be covered on the bottom surface of block on this, this time putting chamber is arranged with the bottom surface of block on this.
Described shaft fastening device, wherein this positioning block includes at least one hole of escaping, this time assembly includes at least one first screw, and passes this with at least one first screw correspondence and at least onely escape the hole and be attached in this at least one first screw and this positioning block fixedly is mounted on this time assembly.
Described shaft fastening device, wherein this elastic component and include a pivot part it is sheathed on this at least one first screw.
Described shaft fastening device, wherein this time assembly also includes a perforation, and the end face of this positioning block has its correspondence of a ring wall to insert in this perforation along convex the stretching of ring week of this perforation.
Described shaft fastening device, wherein this positioning shaft includes an axial screws hole, and assembly includes one second and escapes the hole on this, and passes this with one second screw and second escape the hole and be attached in this axial screws hole and this positioning shaft fixedly is mounted on assembly on this.
Described shaft fastening device, wherein the positioning groove of this positioning shaft radially sets to the concave and in the form of a ring from the outer circumferential face of this positioning shaft.
By shaft fastening device provided by the invention, the protuberance that utilizes the control pin and recess, and the elastic force of elastic component, the front end that can make the elastic arm of elastic component outwards support and the elastic arm that leaves the positioning groove of positioning shaft or make elastic component wherein at least the front end of one inwardly clamp the positioning groove of positioning shaft, positioning shaft is inserted be fixed in positioning block or break away from positioning block, and this structure all can be oversimplified on manufacturing is gone up and assembled, and can therefore reduce cost and man-hour.
Description of drawings
Fig. 1 is the stereogram of known vacuum test.
Fig. 2 is the schematic representation before the start of Fig. 1 common shaft fastener device.
Fig. 3 is the schematic representation after the start of Fig. 1 common shaft fastener device.
Fig. 4 is one of enforcement view of a preferred embodiment of the present invention.
Fig. 5 be a preferred embodiment of the present invention the enforcement view two.
Fig. 6 is the three-dimensional exploded view of a preferred embodiment of the present invention.
Fig. 7 is one of illustrative view of a preferred embodiment of the present invention.
Fig. 8 be a preferred embodiment of the present invention illustrative view two.
Embodiment
See also Fig. 4, be one of enforcement view of a preferred embodiment of the present invention, wherein show an instrument 1 (being as an illustration) with vacuum test in present embodiment, this instrument 1 includes a housing 11 and a lid 12, wherein a side of lid 12 is articulated on the housing 11, so lid 12 can and be covered on the housing 11 with respect to housing 11 upsets, and lid 12 includes a upper plate 13 and a lower plate 14, upper plate 13 wherein is the last assembly 15 of the following stated, and lower plate 14 is the following assembly 16 of the following stated.
Please consult Fig. 4 and Fig. 5 simultaneously, be two of the enforcement view of a preferred embodiment of the present invention, include a supporting region 132 in the middle of above-mentioned instrument 1 its upper plate 13, it can put a test object (figure does not show), the host board of mobile phone for example, so upper plate 13 also can be referred to as support plate, then include one in the middle of the lower plate 14 and put district 143, it can put at least one probe (figure does not show), after upper plate 13 is covered on lower plate 14, utilize an exhaust tube 17 operation of bleeding, make between upper plate 13 and the lower plate 14 to become vacuum state, so can carry out the test of above-mentioned test object.
Please consult Fig. 4, Fig. 5 and Fig. 6 simultaneously, three-dimensional exploded view for a preferred embodiment of the present invention, in order to make above-mentioned instrument 1 its upper plate 13 can be covered on lower plate 14 really, event is organized respectively with four corners of lower plate 14 in upper plate 13 and is provided with a shaft fastening device of the present invention, and each shaft fastening device includes a positioning block 3, a positioning shaft 2, a control pin 5 and one elastic component 4.
Above-mentioned positioning block 3 is cuboid and is mounted on the lower plate 14 of instrument 1 (following assembly 16), and this positioning block 3 includes an end face 30, once putting chamber 31, a perforation 32 and a through hole 33, and perforation 32 is wherein run through positioning block 3 downwards and penetrated into down putting chamber 31 respectively by the end face 30 of positioning block 3 respectively with through hole 33.
In present embodiment, positioning block 3 still includes a block 34 and a lower cover 35 on one, and lower cover 35 wherein from bottom to top is covered on the bottom surface 341 of block 34, and following putting chamber 31 is arranged with the bottom surface 341 in last block 34.
Again in present embodiment, the lower plate 14 of instrument 1 (following assembly 16) has still provided a perforation 141, and the end face 30 of positioning block 3 also has a ring wall 321 along convex the stretching of ring week of perforation 32, these ring wall 321 correspondences are inserted in the perforation 141, so can form locating effect and make positioning block 3 be assembled in lower plate 14 (following assembly 16) in the location really.
In addition, positioning shaft 2 is mounted on the upper plate 13 (go up assembly 15) of instrument 1 and protrudes out towards the below, and this positioning shaft 2 includes a location groove 21, in positioning shaft 2 and the corresponding perforation 32 that is inserted in positioning block 3 and make positioning groove 21 correspondences be positioned at putting chamber 31 places down.
In present embodiment, the positioning groove 21 of positioning shaft 2 radially sets to the concave and in the form of a ring from the outer circumferential face 24 of positioning shaft 2, and positioning shaft 2 includes an axial screws hole 22, the upper plate 13 of instrument 1 (go up assembly 15) corresponding shaft has provided one second to screw hole 22 positions and has escaped hole 131, passes second with one second screw 23 more afterwards and escapes hole 131 and be attached in the axial screws hole 22 and positioning shaft 2 fixedly is mounted on upper plate 13 (last assembly 15).
In addition, control pin 5 correspondences are slidedly arranged in the through hole 33 of positioning block 3, and this control pin 5 includes an axial slope 50, and these axial slope 50 radially outwards tiltedly go out to have a protuberance 51, radially inwardly oblique a recess 52 arranged.
In present embodiment, the rear end of elastic component 4 also is connected with each other and is formed with a pivot part 43, and this pivot part 43 is sheathed on one of them first screw 37, therefore, when elastic component 4 is placed in the following putting chamber 31 of positioning block 3, can pivot part 43 and first screw 37 as fulcrum.
Please consult Fig. 4 simultaneously, Fig. 5, Fig. 6 and Fig. 7, be one of illustrative view of a preferred embodiment of the present invention, and Fig. 8 be a preferred embodiment of the present invention illustrative view two, when start, control pin 5 is moved up and down to primary importance, for example pulling control pin 5 with finger moves up it, shown in Fig. 7 arrow, at this moment, control pin 5 utilizes axial slope 50 can make elastic component 4 produce relative slippage in slipping, make protuberance 51 correspondences of control pin 5 strut two intermediate portions 42 of elastic component 4 afterwards, the front end that impels two elastic arms 41 of elastic component 4 outwards supports and leaves and loosen the positioning groove 21 of positioning shaft 2.
Otherwise, when control pin 5 moves up and down to the second place, for example pulling control pin 5 with finger moves down it, shown in Fig. 8 arrow, control this moment pin 5 utilizes axial slope 50 can make elastic component 4 produce relative slippage in slipping equally, make the recess 52 of control pin 5 correspond to two intermediate portions 42 of elastic component 4 afterwards, impel the front end of two elastic arms 41 of elastic component 4 inwardly to clamp the positioning groove 21 of positioning shaft 2.
Therefore, by said structure, utilize the protuberance 51 and recess 52 of control pin 5, elastic force with elastic component 4, the front end that can make the elastic arm 41 of elastic component 4 outwards supports and leaves the positioning groove 21 of positioning shaft 2, or the front end that makes the elastic arm 41 of elastic component 4 is inwardly clamped the positioning groove 21 of positioning shaft 2, positioning shaft 2 is inserted be fixed in positioning block 3, or disengaging positioning block 3, make the purpose of reaching fastening between the upper plate 13 (go up assembly 15) of instrument 1 and the lower plate 14 (following assembly 16), and this structure all can be oversimplified on manufacturing is gone up and assembled, and can therefore reduce cost and man-hour.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (14)
1. shaft fastening device comprises:
A positioning block includes an end face, once putting chamber, a perforation, an and through hole, and this perforation and this through hole run through this positioning block downwards by this end face respectively and also penetrate into this time putting chamber respectively;
One positioning shaft includes a location groove, and this positioning shaft correspondence is inserted in the perforation of this positioning block and makes this positioning groove correspondence be positioned at this time putting chamber place;
One control pin, correspondence is slidedly arranged in the through hole of this positioning block, and this control pin includes an axial slope, and this axial slope radially outward tiltedly goes out to have a protuberance, and the radially inside oblique recess that has of this axial slope; And
One elastic component is placed in the following putting chamber of this positioning block, and the front end of this elastic component corresponds respectively to two sides of this perforation, and the stage casing of this elastic component corresponds respectively to two sides of this through hole.
2. shaft fastening device as claimed in claim 1 is characterized in that wherein the front end of this elastic component includes two elastic arms, and it corresponds respectively to two sides of this perforation, and the stage casing of this elastic component includes two intermediate portions, and it corresponds respectively to two sides of this through hole.
3. shaft fastening device as claimed in claim 1 is characterized in that wherein this elastic component is the U font.
4. shaft fastening device as claimed in claim 2, it is characterized in that, when wherein this control pin moves up and down to primary importance, thereby this protuberance correspondence struts two intermediate portions of this elastic component, and the front end that impels this two elastic arm outwards supports and leaves this positioning groove of this positioning shaft; When this control pin moves up and down to the second place, thereby this recess corresponds to two intermediate portions of this elastic component, impel this two elastic arm wherein at least the front end of one inwardly clamp this positioning groove of this positioning shaft.
5. shaft fastening device as claimed in claim 1 is characterized in that wherein this positioning block is mounted on assembly, and this positioning shaft is mounted on one assembly and protrudes out towards the below.
6. shaft fastening device as claimed in claim 5 is characterized in that, it is mounted on the instrument, and this instrument includes a lid, and this lid includes a upper plate, an and lower plate, and assembly refers to this upper plate on this, and this time assembly refers to this lower plate.
7. shaft fastening device as claimed in claim 6 is characterized in that, this instrument and include a housing wherein, and a side of this lid is articulated on this housing.
8. shaft fastening device as claimed in claim 6 is characterized in that, wherein this instrument is a vacuum test.
9. shaft fastening device as claimed in claim 1 is characterized in that, wherein this positioning block and include block on, and a lower cover its be covered on the bottom surface of block on this, this time putting chamber is arranged with the bottom surface of block on this.
10. shaft fastening device as claimed in claim 5, it is characterized in that, wherein this positioning block includes at least one hole of escaping, this time assembly includes at least one first screw, and passes this with at least one first screw correspondence and at least onely escape the hole and be attached in this at least one first screw and this positioning block fixedly is mounted on this time assembly.
11. shaft fastening device as claimed in claim 10 is characterized in that, this elastic component and include a pivot part wherein, and it is sheathed on this at least one first screw.
12. shaft fastening device as claimed in claim 5 is characterized in that, wherein this time assembly also includes a perforation, and the end face of this positioning block has its correspondence of a ring wall to insert in this perforation along convex the stretching of ring week of this perforation.
13. shaft fastening device as claimed in claim 5, it is characterized in that, wherein this positioning shaft includes an axial screws hole, and assembly includes one second and escapes the hole on this, and passes this with one second screw and second escape the hole and be attached in this axial screws hole and this positioning shaft fixedly is mounted on assembly on this.
14. shaft fastening device as claimed in claim 1 is characterized in that, wherein the positioning groove of this positioning shaft radially sets to the concave and in the form of a ring from the outer circumferential face of this positioning shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101037521A CN100402871C (en) | 2005-09-09 | 2005-09-09 | Shaft fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101037521A CN100402871C (en) | 2005-09-09 | 2005-09-09 | Shaft fastening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1928372A CN1928372A (en) | 2007-03-14 |
| CN100402871C true CN100402871C (en) | 2008-07-16 |
Family
ID=37858457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101037521A Expired - Fee Related CN100402871C (en) | 2005-09-09 | 2005-09-09 | Shaft fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100402871C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5101454B2 (en) * | 2008-10-20 | 2012-12-19 | Ｙｋｋ株式会社 | Fixing member, protective member, and fixing method for fixed member |
| CN102518628A (en) * | 2011-12-23 | 2012-06-27 | 广东顶固集创家居股份有限公司 | Connector for cabinet and laminate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276806A (en) * | 1978-07-13 | 1981-07-07 | Itw De France | Self-retained and reusable fastener |
| US5704100A (en) * | 1996-03-01 | 1998-01-06 | Federal-Hoffman, Inc. | Retaining clip system |
| CN1257970A (en) * | 1998-12-23 | 2000-06-28 | Itt制造企业公司 | Location spring ring |
| CN1465869A (en) * | 2002-06-27 | 2004-01-07 | 艾姆哈特有限公司 | Clamp and element connection device |
| US20040085735A1 (en) * | 2002-11-20 | 2004-05-06 | Liu Heben | Heat sink assembly with retaining device |
| CN2676564Y (en) * | 2004-02-25 | 2005-02-02 | 龙飞 | Cramp |
| CN1628217A (en) * | 2002-02-11 | 2005-06-15 | Pem管理股份有限公司 | Two-part snap-together panel fastener |
-
2005
- 2005-09-09 CN CNB2005101037521A patent/CN100402871C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276806A (en) * | 1978-07-13 | 1981-07-07 | Itw De France | Self-retained and reusable fastener |
| US5704100A (en) * | 1996-03-01 | 1998-01-06 | Federal-Hoffman, Inc. | Retaining clip system |
| CN1257970A (en) * | 1998-12-23 | 2000-06-28 | Itt制造企业公司 | Location spring ring |
| CN1628217A (en) * | 2002-02-11 | 2005-06-15 | Pem管理股份有限公司 | Two-part snap-together panel fastener |
| CN1465869A (en) * | 2002-06-27 | 2004-01-07 | 艾姆哈特有限公司 | Clamp and element connection device |
| US20040085735A1 (en) * | 2002-11-20 | 2004-05-06 | Liu Heben | Heat sink assembly with retaining device |
| CN2676564Y (en) * | 2004-02-25 | 2005-02-02 | 龙飞 | Cramp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1928372A (en) | 2007-03-14 |
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Granted publication date: 20080716 Termination date: 20150909 |
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