CN102200158A - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN102200158A CN102200158A CN2010101314224A CN201010131422A CN102200158A CN 102200158 A CN102200158 A CN 102200158A CN 2010101314224 A CN2010101314224 A CN 2010101314224A CN 201010131422 A CN201010131422 A CN 201010131422A CN 102200158 A CN102200158 A CN 102200158A
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- China
- Prior art keywords
- screw
- nut
- holding device
- attaching nut
- hole
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Abstract
The invention provides a clamping device which comprises a body as well as a connecting nut and a screw which are fixed on the body. A through hole is arranged in the body, the connecting nut penetrates through the through hole in the body, a hole is axially arranged in the connecting nut, the screw can penetrate through the hole and is screwed with the hole, and a clamping space is formed between the screw and the body. An object needing to be clamped is pressed on the body by the screw of the clamping device so as to provide a clamping force. As the movement of the screw is limited by the connecting nut, the clamping force cannot be reduced under the influence of environments. Therefore, the clamping device can provide a uniform clamping force.
Description
Technical field
The invention relates to a kind of holding device, be used to the two articles that needs to connect that one chucking power is provided.
Background technique
The heat radiation module is widely applied to the heat radiation field, is the heat radiation of electronic equipments such as notebook computer.Thereby most heat radiation modules comprise heat absorption plate, the radiator that is used to dispel the heat that is used for from the heat-generating electronic elements heat absorption and link to each other with radiator the heat pipe of the heat transfer on the heat absorption plate to radiator with heat absorption plate.Therefore, the interface resistance between heat pipe and the heat absorption plate directly influences heat is delivered to heat pipe from heat absorption plate efficient.
Usually, heat pipe is that mode and heat absorption plate by soldering links together.The quality of wherein soldering effect depends on to a great extent whether heat pipe remains tight the contact with heat absorption plate in the soldering process.Often provide a chucking power in the existing technology, make heat pipe in tin cream fusion and recrystallization process, be close to heat absorption plate always by clip as dovetail folder and so on.Yet for considering of cost, these clips can be repeated to recycle.On the one hand, the elasticity of clip can fail because of service wear, and the chucking power that it provided also diminishes thereupon, finally may cause heat pipe to contact defective tightness with heat absorption plate, increases interface resistance thereby influence the scolding tin effect; On the other hand, along with constantly the coming into operation of discarded and new clip of old clip, make the elastic force of many clips occur than big-difference, the chucking power that each clip provided is also not of uniform size, finally causes product quality variance.
Summary of the invention
In view of this, be necessary to provide a kind of holding device with homogeneous chucking power.
A kind of holding device, comprise a body, be fixed in an attaching nut and a screw on the body, this body is provided with a through hole, this attaching nut is arranged in the through hole of body, be provided with a perforation that can supply screw to run through and screw togather mutually in this attaching nut vertically, be formed with a grasping part between described screw and the described body.
The screw of this holding device presses on the body object of required clamping so that a chucking power to be provided.Because the attaching nut has limited moving of screw, make that this chucking power is not affected by environment and decay.Therefore this holding device can provide the chucking power of homogeneous.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the holding device that provides of one embodiment of the invention.
Fig. 2 is the constitutional diagram of holding device shown in Figure 1.
Fig. 3 is the sectional view of holding device shown in Figure 2 along the III-III line.
Fig. 4 is holding device user mode figure shown in Figure 2.
The primary component symbol description
Abutting part 12
Through hole 13
Supporting portion 14
The attaching nut 22
Screw rod 224
Screw 30
Bolt 34
Grasping part 60
Embodiment
See also Fig. 1 and Fig. 2, be depicted as the holding device 100 that one embodiment of the invention provide.This holding device 100 comprises a body 10, be fixed in the nut combinations 20 on the body 10 and cooperate with this nut combinations 20 and be incorporated into a screw 30 on this body 10.
This body 10 is the U type.This body 10 comprises abutting part 12, an and supporting portion 14 that at interval be provided with relative with this abutting part 12 of a rectangle and connects described abutting part 12 and the joint 15 of supporting portion 14 1 ends.This abutting part 12 be arranged in parallel with this supporting portion 14.The other end of this body 10 in described abutting part 12 and supporting portion 14 forms an opening 11.Be provided with a manhole 13 in opening 11 places on this supporting portion 14 near body 10.
This nut combinations 20 comprises an attaching nut 22, a nut 24 and a resilient pad 26.This attaching nut 22 comprises a cylindrical screw rod 224 and is positioned at a disc end 222 of these screw rod 224 bottoms.Wherein, the external diameter of screw rod 224 is less than the diameter of through hole 13, and the external diameter of end 222 is greater than the diameter of through hole 13.The length of this screw rod 224 is much larger than the thickness of described supporting portion 14.This attaching nut 22 is hollow shape, and its central authorities' formation one runs through the perforation 220 of screw rod 224 and end 222 vertically.The size in this perforation aperture of 220 is axially constant along attaching nut's 22, and it is 220 consistent with the aperture at these 222 places, end in the aperture at these screw rod 224 places promptly to bore a hole.This attaching nut's 22 internal surface promptly is formed with internal thread in the periphery of this perforation 220.Be formed with outside thread on the outer surface of this attaching nut's 22 screw rod 224.
This nut 24 is hollow columnar, and its internal surface is provided with internal thread.The outside thread of the internal thread of this nut 24 and attaching nut's 22 screw rod 224 is complementary, thereby this nut 24 can closely cooperate with this attaching nut 22.This resilient pad 26 ringwise, this resilient pad 26 is compressed when being subjected to vertically pressure.The external diameter of described nut 24 and resilient pad 26 is all greater than the diameter of through hole 13.
This screw 30 comprises the bolt 34 of a lengthwise and is connected in a spiral shell head 32 at these bolt 34 tops.The length of this bolt 34 is greater than described attaching nut's 22 length.The size in the aperture of the size of the external diameter of this bolt 34 and attaching nut's 22 perforation 220 about equally.The outer surface of this bolt 34 is provided with screw thread, and screw thread on this bolt 34 and attaching nut 22 internal thread are complementary.The diameter of this spiral shell head 32 is greater than the diameter of this bolt 34.
Please consult Fig. 3 simultaneously, when assembling this holding device 100, described attaching nut's 22 screw rod 224 is arranged in from the bottom up in the through hole 13 of supporting portion 14 of described body 10, its end 222 is resisted against the lower surface of supporting portion 14 in through hole 13 peripheries, and the top that makes resilient pad 26 self-supporting portions 14 is sheathed on attaching nut 22 the screw rod 224, nut 24 screwed in to attaching nut 22 screw rod 224 from the top again.After nut 24 was screwed fully, this resilient pad 26 was folded between this nut 24 and the supporting portion 14, and was produced elastic strains by nut 24 extruding and be compressed, and was resisted against this supporting portion 14 in the upper surface of through hole 13 peripheries.At this moment, this attaching nut's 22 end 222 is resisted against the lower surface of supporting portion 14, makes this nut combinations 20 be fixed in firmly on this supporting portion 14.
In addition, because resilient pad 26 is compressed, resilient pad 26 has the trend of recovering deformation and gives nut 24 1 outside thrust, makes attaching nut 22, resilient pad 26 and nut 24 become an integral body, and this nut 24 can not become flexible easily with cooperating of attaching nut 22.Screw 30 and attaching nut's 22 perforation 220 is screwed and is connected on the supporting portion 14 of this body 10, forms a grasping part 60 between the abutting part 12 of the free end of this screw 30 and this body 10, is used to place the object for the treatment of clamping.
See also Fig. 4, the existing using method that example describes this holding device 100 that is combined into heat absorption plate 40 and heat pipe 50.When using this holding device 100, heat absorption plate 40 and heat pipe 50 are determined that good position concerns in the grasping part 60 that is placed between this screw 30 and the abutting part 12, and make heat pipe 50 be positioned at the position of this attaching nut's 22 below over against this perforation 220.Utilizing electric screw to criticize (electricity is with locking screw tool) screws in screw 30 in attaching nuts 22 the perforation 220.Because the outside thread of the bolt 34 of screw 30 and attaching nut 22 internal thread are complementary, so the perforation 220 that the bolt 34 of screw 30 can pass this attaching nut 22 moves towards abutting part 12, until the bolt 34 of this screw 30 against to heat pipe 50.After electric screw was criticized screw 30 is threaded to certain limit, screw 30 extruding heat pipes 50 applied a pressure for heat pipe 50 and are close on the heat absorption plate 40.
Because attaching nut 22 length is longer, the guiding stroke of 22 pairs of screws 30 of this attaching nut is longer, screw 30 and attaching nut 22 coaxality are well guaranteed, and then guaranteed the perpendicularity of this screw 30 and abutting part 12, the power that compresses of screw 30 is vertically acted on the heat pipe 50, help guaranteeing the quality of product.
In addition, because electric screw is criticized the torsion that can provide certain, but and the torsion verification, thereby guarantee that the chucking power that holding device 100 is provided is consistent, and reduces the mass discrepancy with batch product.In addition, in the process of Locking screw 30, screw 30 presses on the heat pipe 50, apply a downward pressure for heat pipe 50, the thrust that screw 30 1 makes progress is given in heat pipe 50 reactions simultaneously, this thrust has the trend that supporting portion 14 is upwards pushed up, and makes that the distance between supporting portion 14 and the abutting part 12 increases slightly.This supporting portion 14 can produce to the trend near abutting part 12 resiliences.Like this, in welding process, even the spacing between heat pipe 50 and the heat absorption plate 40 slightly reduces, cause the spacing between screw 30 and the abutting part 12 to reduce, but supporting portion 14 can make screw 30 remain on the state that compresses heat pipe 50 towards the trend of abutting part 12 resiliences always, and the chucking power that continues homogeneous is provided for heat pipe 50 and heat absorption plate 40.
In this holding device 100, since attaching nut 22 be by be fixed in cooperating of nut 24 on the supporting portion 14, if because of making for a long time the thread damage of attaching nut 22 or nut 24, can be directly attaching nut 22 and nut 24 be unclamped and repair or change, maintenance operation makes things convenient for.
Claims (9)
1. holding device, it is characterized in that: comprise a body, be fixed in an attaching nut and a screw on the body, this body is provided with a through hole, this attaching nut is arranged in the through hole of body, be provided with a perforation that can supply screw to run through and screw togather mutually in this attaching nut vertically, be formed with a grasping part between described screw and the described body.
2. holding device as claimed in claim 1 is characterized in that: described body comprises an abutting part and a supporting portion that is provided with this abutting part relative spacing, and this through hole is formed on this supporting portion.
3. holding device as claimed in claim 2 is characterized in that: described grasping part is formed between the free end of the abutting part of described body and described screw.
4. holding device as claimed in claim 2 is characterized in that: described attaching nut's length is much larger than the thickness of this supporting portion.
5. holding device as claimed in claim 1 is characterized in that: also comprise a nut, described attaching nut is fixed on the described body by being screwed with this nut.
6. holding device as claimed in claim 5, it is characterized in that: described attaching nut comprises an end and a screw rod, the diameter of this screw rod is less than the diameter of this end, the periphery of this screw rod is formed with the outside thread that the internal thread with this nut is complementary, and through hole and nut that this attaching nut's double-screw bolt passes described body are screwed.
7. holding device as claimed in claim 5 is characterized in that: also comprise a resilient pad, this resilient pad is folded between this nut and this body.
8. holding device as claimed in claim 1 is characterized in that: this body is the U type, and a side of this body forms an opening.
9. holding device as claimed in claim 8 is characterized in that: described through hole is near described opening setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101314224A CN102200158A (en) | 2010-03-24 | 2010-03-24 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101314224A CN102200158A (en) | 2010-03-24 | 2010-03-24 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102200158A true CN102200158A (en) | 2011-09-28 |
Family
ID=44661052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101314224A Pending CN102200158A (en) | 2010-03-24 | 2010-03-24 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102200158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758837A (en) * | 2014-01-21 | 2014-04-30 | 上海英汇科技发展有限公司 | Metal fastening assembly and fastening method |
| CN110686058A (en) * | 2018-07-06 | 2020-01-14 | 泓记精密股份有限公司 | Screw axial clearance adjusting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3242546A1 (en) * | 1982-11-18 | 1984-05-24 | Tripp GmbH, 5970 Plettenberg | Clamp for holding a workpiece during an electrolytic treatment |
| JPH01129409U (en) * | 1988-02-24 | 1989-09-04 | ||
| CN1348531A (en) * | 1999-02-27 | 2002-05-08 | 泰可欧洲金属制品有限公司 | Clamp |
| CN1504652A (en) * | 2002-12-04 | 2004-06-16 | x屋制作所股份有限公司 | Clamping mechanism |
| CN101403468A (en) * | 2007-10-05 | 2009-04-08 | 株式会社普莱斯特工业研究所 | Supporting bracket and nut holder |
-
2010
- 2010-03-24 CN CN2010101314224A patent/CN102200158A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3242546A1 (en) * | 1982-11-18 | 1984-05-24 | Tripp GmbH, 5970 Plettenberg | Clamp for holding a workpiece during an electrolytic treatment |
| JPH01129409U (en) * | 1988-02-24 | 1989-09-04 | ||
| CN1348531A (en) * | 1999-02-27 | 2002-05-08 | 泰可欧洲金属制品有限公司 | Clamp |
| CN1504652A (en) * | 2002-12-04 | 2004-06-16 | x屋制作所股份有限公司 | Clamping mechanism |
| CN101403468A (en) * | 2007-10-05 | 2009-04-08 | 株式会社普莱斯特工业研究所 | Supporting bracket and nut holder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758837A (en) * | 2014-01-21 | 2014-04-30 | 上海英汇科技发展有限公司 | Metal fastening assembly and fastening method |
| CN103758837B (en) * | 2014-01-21 | 2016-03-02 | 上海英汇科技发展有限公司 | A kind of metallic fastening component and locking method |
| CN110686058A (en) * | 2018-07-06 | 2020-01-14 | 泓记精密股份有限公司 | Screw axial clearance adjusting mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110928 |