CN1504652A - Clamping mechanism - Google Patents
Clamping mechanism Download PDFInfo
- Publication number
- CN1504652A CN1504652A CNA031077285A CN03107728A CN1504652A CN 1504652 A CN1504652 A CN 1504652A CN A031077285 A CNA031077285 A CN A031077285A CN 03107728 A CN03107728 A CN 03107728A CN 1504652 A CN1504652 A CN 1504652A
- Authority
- CN
- China
- Prior art keywords
- nut
- contacting part
- threaded stem
- guide hole
- rotation
- 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.)
- Pending
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- Clamps And Clips (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
A guide hole 24 of a lower part 21a of a body 21 does not form a female screw part, and a screw bar 28 is movably inserted into this guide hole 24. A hexagonal nut 26 having a female screw part 26a for threadedly engaging with a male screw part 28a is rotatably arranged in an outer peripheral part of the screw bar 28. When adjusting the clamping width B, the hexagonal nut 26 is put in a free state by separating from a hole part 25 being a rotation regulating part, and the hexagonal nut 26 is moved in the shaft direction to the screw bar 28 by rotating the nut. When the hexagonal nut 26 moves up to a proper position, the hexagonal nut 26 is housed in the hole part 25 by pulling the screw bar 28, and a position of a second butting part 29 is finely adjusted by rotating the screw bar 28 without rotating the hexagonal nut 26.
Description
(1) technical field
The present invention is about a kind of clamp device that can clamp an object between first contacting part and second contacting part.
(2) background technique
Fig. 6 shows a kind of conventional mounting device 1 with function of clamp device, and its is as for example at the device of any local installation exercise lamp.Erecting device 1 has following formation.Main body 2 is C word shape, is provided with the assembly department 3 for installation exercise lamp (not drawing) usefulness above it.The below of assembly department 3 is provided with and can be provided with the tapped hole 5 that forms internal thread 5a at inwall below first contacting part 4 near first contacting part 4 of object A.The threaded stem 6 that forms outside thread 6a at outer wall passes tapped hole 5, and outside thread 6a interlock internal thread 5a.The top of threaded stem 6 is provided with second contacting part 7 relative with first contacting part 4, below be provided with the handle portion 8 that rotary manipulation is used.
In this constituted, with handle portion 8 rotation threaded stems 6, then outside thread 6a was with respect to the internal thread 5a rotation advance and retreat of tapped hole 5, and threaded stem 6 moves axially with respect to tapped hole 5, thereby changed the clamping amplitude B between first contacting part 4 and second contacting part 7.Utilization is grip objects A between first contacting part 4 and second contacting part 7, just can be fixed on erecting device 1 on the object A.So,, just erecting device 1 and working light can be installed on object A by installation exercise lamp on the assembly department 3 of erecting device 1.
This erecting device 1 has following shortcoming.Just, the clamping amplitude B for adjusting between first contacting part 4 and second contacting part 7 must rotate threaded stem 6 with finger manipulation handle portion 8, still, is difficult to rotate threaded stem 6 apace, so also be difficult to change significantly apace clamping amplitude B.
Fig. 7 shows a kind of known clamp device 11 that can change the clamping amplitude apace.Clamp device 11 is not for this working light is installed, but is used to clamp an object (not drawing), and it has following formation.An end that roughly is the main body 12 of C word shape has first contacting part 13, and the other end has guide hole 14.Guide hole 14 is not a tapped hole, does not have internal thread at inwall.Slender cartridge 15 can pass freely through mobile at the extending direction of guide hole 14.The retaining screw 16 that utilization is arranged on the main body 12 is fixed on cartridge 15 on the main body 12.On the inwall of cartridge 15, form internal thread 15a.The threaded stem 17 that outside thread 17a is arranged on the outer wall passes the inwall of cartridge 15 under the state of outside thread 17a interlock internal thread 15a.Second contacting part 18 that one end setting of threaded stem 17 is relative with first contacting part 13 is provided with rotation with hook stick 19 at the other end.
In this constitutes, utilize fixedly cartridge 15 of retaining screw 16, with rotary manipulation rod 19 rotation threaded stems 17, make the internal thread 15a rotation advance and retreat of outside thread 17a with respect to cartridge 15, threaded stem 17 moves axially with respect to cartridge 15, just can adjust the clamping amplitude B between first contacting part 13 and second contacting part 18.Therefore, just can be clamped in object between first contacting part 13 and second contacting part 18.
When changing this clamping amplitude B significantly, unclamp retaining screw 16, allow threaded stem 17 move axially, and then change and to fasten screw with fixing cartridge 15 along cartridge 15.So rotary manipulation rod 19 is with rotation threaded stem 17, to finely tune the clamping amplitude B between first contacting part 13 and second contacting part 18.
In this clamp device 11, unclamp retaining screw 16 and allow threaded stem 17 move axially along cartridge 15, just can change the clamping amplitude B between first contacting part 13 and second contacting part 18 apace, but still have following shortcoming.Just, owing to must have the cartridge 15 of axially movable special formation and the fixing retaining screw 16 of cartridge 15, when number of spare parts increased, structure was also complicated.
(3) summary of the invention
In view of this situation, the purpose of this invention is to provide and a kind ofly can change the clamping amplitude apace, reduce number of spare parts, simply constructed clamp device simultaneously.
In order to reach this purpose, clamp device of the present invention is characterized in comprising: a main body, and it has and can reach the guide hole relative with first contacting part near first contacting part of nipped object; One threaded stem, it can be in this guide hole passes freely through along the extending direction of guide hole and moves and periphery has outside thread, and has second contacting part, can clamp this object with this first contacting part at the front end of this first contacting part; Nut part, but its inwall has this externally threaded internal thread of interlock, can rotate between this second contacting part and guide hole on the periphery of threaded stem, makes this internal thread move axially with respect to threaded stem with respect to outside thread rotation advance and retreat, nut part; The rotation limitation part, the rotation of its restriction nut part, and be arranged in this main body near the guide hole place.
In the above-mentioned formation, during clamping amplitude between second contacting part of first contacting part of adjusting main body and threaded stem, nut part is left rotate limitation part and become free state, swivel nut portion moves and adjusts its position on threaded stem, after making nut part move to the appropriate location, move axially threaded stem again, utilize the rotation limitation part that nut part can not be rotated.Like this, roughly be adjusted at the clamping amplitude between first contacting part and second contacting part.Under the situation that nut part can not rotate, the rotation threaded stem so that finely tune the position of second contacting part, thereby between first contacting part and second contacting part grip objects.
At this moment, be by finger swivel nut parts and realizing along threaded stem travelling nut parts, compare with the rotation threaded stem, can operate more quickly, so can change clamping amplitude between first contacting part and second contacting part apace.Compare with the fixing clamp device in the past of the retaining screw of cartridge with having cartridge, outside main body and threaded stem, only must nut part, so number of spare parts reduces, construct also simple.Even, on the guide hole of main body, also need not form internal thread, and nut part is a sales item on the market, does not need special facture, thereby can further reduce cost.
According to the present invention, rotation restricting unit is a cave portion, and its inwall has the shape of the profile that meets nut part, can hold nut part.Thus, in the portion of cave, hold nut part, roughly all rotations of inner wall limit nut part of cave portion, so in the rotation threaded stem, nut part can stably be fixed, the rotary manipulation of threaded stem is also easy.
And nut part is hexagon nut preferably.Thus, the hexagon nut that nut part just can utilize market to sell, and can further reduce cost.
(4) description of drawings
Fig. 1 shows the 1st embodiment of the present invention, and hexagon nut is in the cross-section side view under the free state.
Fig. 2 is the cross-section side view when holding hexagon nut in the portion of the cave of main body.
Fig. 3 is the oblique drawing of vitals.
Fig. 4 shows of the present invention 2nd embodiment suitable with Fig. 3.
Oblique drawing when Fig. 5 is limiting wall restriction hexagon nut.
Fig. 6 is the cross-section side view of traditional erecting device.
Fig. 7 is the cross-section side view that can change the conventional clamping apparatus of clamping amplitude apace.
(5) embodiment
Below, be applicable to that referring to figs. 1 through Fig. 3 explanation working light installs the 1st embodiment of the clamp device of the present invention of usefulness.Main body 21 roughly presents C word shape, is provided with assembly department 22 for device working light (not drawing) usefulness at top 21a, is provided with below assembly department 22 and nestles up first contacting part 23 of wanting nipped object A, roughly presenting " ^ " word shape.At the bottom of main body 21 21b, the position relative with this first contacting part 23, as shown in Figure 3, form the circular guide hole 24 of up/down perforation, above guide hole 24, form inwall and be hexagonal cave portion 25.Inwall at guide hole 24 does not have internal thread.Cave portion 25 has constituted the following rotation limitation part that can hold hexagon nut 26.
In main body 21, the inboard of the intermediate portion 21c between top 21a and bottom 21b is provided with the guiding walls 27 that above-below direction extends.Form the threaded stem 28 of outside thread 28a in periphery, pass this guide hole 24 and on the extending direction of this guide hole 24, move freely.The upper end of threaded stem 28 is provided with and first contacting part 23, second contacting part 29 in opposite directions, and the lower end is provided with the handle 30 that rotary manipulation is used.Second contacting part 29 can move up and down along this guiding walls 27, but can not rotate.The threaded stem 28 and second contacting part 29 are coupling together by counterrotating state.
But the inwall of hexagon nut 26 has the internal thread 26a of the outside thread 28a of this threaded stem 28 of interlock.Hexagon nut 26 is arranged to and can be being rotated between the bottom 21b of second contacting part 29 and main body 21 on the periphery of threaded stem 28.Hexagon nut 26 has constituted nut part of the present invention, is the market sale product.In case rotate this hexagon nut, internal thread 26a is with respect to outside thread 28a rotation advance and retreat, and hexagon nut 26 moves with respect to the axle direction of threaded stem 28.The inwall of the cave portion 25 of main body 21 roughly meets the profile of hexagon nut 26, thereby can hold hexagon nut 26.
And, in above-mentioned structure, when the clamping amplitude B that adjusts between first contacting part 23 and second contacting part 29, as shown in Figure 1, hexagon nut 26 leaves as the cave portion 25 of rotation limitation part and to its top, become free state,, hexagon nut is moved axially with respect to threaded stem 28 by with respect to threaded stem 28 rotation hexagon nuts 26.At this moment, with finger rotation hexagon nut 26, thereby hexagon nut 26 moves axially apace with respect to threaded stem 28.
After hexagon nut 26 moved to the appropriate location, axial drawing threaded stem 28 allowed hexagon nut 26 be contained in the cave portion 25 of main body 21 (with reference to Fig. 2).By in cave portion 25, holding hexagon nut 26, hexagon nut 26 can not be rotated, like this, adjust the clamping amplitude B between first contacting part 23 and second contacting part 29 generally.Under this state, hexagon nut 26 can not rotate, and rotates threaded stem 28 with finger control handle 30, finely tunes the position of second contacting part 29.By grip objects A between first contacting part 23 and second contacting part 29, just can be on object A secure mounting arrangements.So, by installation exercise lamp on the assembly department 22 of this clamp device, just can be on object A installation exercise lamp and erecting device.
In the 1st embodiment, obtain following effect.Just, when adjusting the clamping amplitude B of 29 of first contacting part 23 and second contacting parts, rotate the hexagon nut 26 that is in free rotation state, allow this hexagon nut 26 move, can adjust this clamping amplitude B apace with respect to threaded stem 28 with finger.In such structure, except main body 21 and threaded stem 28, only hexagon nut 26 must be arranged, and need cartridge compare with the known clamp device of the retaining screw of fixing this cartridge, not only reduce number of spare parts, structure has also been oversimplified.Even, in the guide hole 24 of main body 21, need not form internal thread.And hexagon nut 26 is that market sells product, needn't special facture, further reduce cost.
And, the hexagon cave portion 25 that utilization meets hexagon nut 26 profiles has constituted the rotation limitation part that restriction hexagon nut 26 rotates, by in cave portion 25, holding hexagon nut 26, just can be with the rotation of whole inner wall limit hexagon nuts 26 of cave portion 25, therefore, in the time of rotation threaded stem 28, hexagon nut 26 can stably be fixed, and is easy to carry out the rotary manipulation of threaded stem 28.
Fig. 4 and Fig. 5 show the 2nd embodiment of the present invention, and the 2nd embodiment compares with the 1st embodiment, and following difference is arranged.Just, in the 21b of the bottom of main body 21, the rotation limitation part of restriction hexagon nut 26 rotations is to be made of the simple limiting wall 31 that replaces cave portion 25.The one side of hexagon nut 26 outsides becomes the structure of restriction hexagon nut 26 rotations near limiting wall 31.
Even this structure also can obtain the action effect identical with the 1st embodiment basically.
The invention is not restricted to the foregoing description, can also enlarge the following situation that develops into.
The invention is not restricted to the erecting device used for ligthing paraphernalias such as installation exercise lamp, desk lamps, also can be applicable to the clamp device that clamps an object.
About nut part, not only can use hexagon nut, also can utilize wing nut.
Can understand from above explanation, in the present invention, when adjusting the clamping amplitude, be in the nut part of free rotation state with the finger rotation, with respect to threaded stem travelling nut parts, travelling nut parts apace are so can adjust the clamping amplitude apace.In such structure, except main body and threaded stem, only hexagon nut must be arranged, compare with the known clamp device that cartridge and the retaining screw of fixing this cartridge must be arranged, not only can reduce number of spare parts, structure is also oversimplified.Even, in the guide hole of main body, there is no need to form internal thread, and hexagon nut is that market sells product, needn't special facture, so can further reduce cost.
Claims (3)
1. a clamp device is characterized in that, comprising: a main body, and it has and can reach the guide hole relative with first contacting part near first contacting part of a nipped object; One threaded stem, it can be in this guide hole passes freely through along the extending direction of guide hole and moves and periphery has outside thread, and has second contacting part and can clamp this object with this first contacting part at the front end of this first contacting part; Nut part, but its inwall has this externally threaded internal thread of interlock, can rotate between this second contacting part and guide hole on the periphery of threaded stem, makes this internal thread move axially with respect to threaded stem with respect to outside thread rotation advance and retreat, nut part; The rotation limitation part, the rotation of its restriction nut part, and be arranged in this main body near the guide hole place.
2. clamp device according to claim 1 is characterized in that, this rotation limitation part is a cave portion, and its inwall is consistent with the profile of this nut part, to hold this nut part.
3. clamp device according to claim 1 and 2 is characterized in that this nut part is a hexagon nut.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002352365A JP2004181581A (en) | 2002-12-04 | 2002-12-04 | Clamping device |
| JP2002352365 | 2002-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1504652A true CN1504652A (en) | 2004-06-16 |
Family
ID=32754004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031077285A Pending CN1504652A (en) | 2002-12-04 | 2003-03-31 | Clamping mechanism |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004181581A (en) |
| CN (1) | CN1504652A (en) |
| TW (1) | TWI292025B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200158A (en) * | 2010-03-24 | 2011-09-28 | 富瑞精密组件（昆山）有限公司 | Clamping device |
| CN102963638A (en) * | 2012-11-29 | 2013-03-13 | 天津兆华物流有限公司 | Burner system and connecting and fastening device for the same |
| CN104061546A (en) * | 2013-03-19 | 2014-09-24 | 深圳市海洋王照明工程有限公司 | Mounting bracket and lamp provided with same |
| CN104901035A (en) * | 2015-06-30 | 2015-09-09 | 国家电网公司 | Method for parallel-connection network access of cable branch box or ring main unit and corresponding shunt device |
| CN105479362A (en) * | 2014-09-17 | 2016-04-13 | 宝时得机械（张家港）有限公司 | Clamping tool |
| CN108505285A (en) * | 2018-04-10 | 2018-09-07 | 佛山市艾温特智能科技有限公司 | One kind being connected and fixed device for portable washer bucket |
| CN104421881B (en) * | 2013-09-03 | 2019-01-29 | 海洋王（东莞）照明科技有限公司 | Simple lossless lamp mounting bracket |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595227B (en) * | 2018-12-10 | 2020-11-17 | 西安航天动力技术研究所 | Elastic part reinforcing piece structure for mechanical maintenance |
-
2002
- 2002-12-04 JP JP2002352365A patent/JP2004181581A/en active Pending
-
2003
- 2003-03-10 TW TW92105052A patent/TWI292025B/en not_active IP Right Cessation
- 2003-03-31 CN CNA031077285A patent/CN1504652A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200158A (en) * | 2010-03-24 | 2011-09-28 | 富瑞精密组件（昆山）有限公司 | Clamping device |
| CN102963638A (en) * | 2012-11-29 | 2013-03-13 | 天津兆华物流有限公司 | Burner system and connecting and fastening device for the same |
| CN102963638B (en) * | 2012-11-29 | 2014-12-17 | 天津兆华物流有限公司 | Burner system and connecting and fastening device for the same |
| CN104061546A (en) * | 2013-03-19 | 2014-09-24 | 深圳市海洋王照明工程有限公司 | Mounting bracket and lamp provided with same |
| CN104061546B (en) * | 2013-03-19 | 2017-05-17 | 深圳市海洋王照明工程有限公司 | Mounting bracket and lamp provided with same |
| CN104421881B (en) * | 2013-09-03 | 2019-01-29 | 海洋王（东莞）照明科技有限公司 | Simple lossless lamp mounting bracket |
| CN105479362A (en) * | 2014-09-17 | 2016-04-13 | 宝时得机械（张家港）有限公司 | Clamping tool |
| CN104901035A (en) * | 2015-06-30 | 2015-09-09 | 国家电网公司 | Method for parallel-connection network access of cable branch box or ring main unit and corresponding shunt device |
| CN108505285A (en) * | 2018-04-10 | 2018-09-07 | 佛山市艾温特智能科技有限公司 | One kind being connected and fixed device for portable washer bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI292025B (en) | 2008-01-01 |
| JP2004181581A (en) | 2004-07-02 |
| TW200409880A (en) | 2004-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |