CN203621814U - Telescopic positioning device - Google Patents
Telescopic positioning device Download PDFInfo
- Publication number
- CN203621814U CN203621814U CN201320816204.3U CN201320816204U CN203621814U CN 203621814 U CN203621814 U CN 203621814U CN 201320816204 U CN201320816204 U CN 201320816204U CN 203621814 U CN203621814 U CN 203621814U
- Authority
- CN
- China
- Prior art keywords
- housing
- alignment pin
- hole
- positioning device
- telescopic positioning
- 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.)
- Expired - Lifetime
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- 230000001681 protective effect Effects 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a telescopic positioning device. The telescopic positioning device comprises a housing, a positioning pin, springs and a rear cover. The front end of the housing is provided with a through hole, the dimension of which is 1.05 to 1.2 times as large as that of the cross section of the positioning pin. The rear end of the positioning pin penetrates through the through hole and is movably fixed in the housing via a fixing part. The springs are arranged at the periphery of the positioning pin and disposed between the fixing part and the through hole. The rear cover comprises a cover body and a connecting part. One end of the connecting part is arranged on the cove body and the other end of the connecting part is connected with the fixing part. The distance from the end surface at the front end of the cover body to the end surface at the tail end of the housing is within the range from minimum lengths to the maximum lengths of the springs. The telescopic positioning device has following beneficial effects: rapid and accurate positioning operation is carried out to installing holes of bolts and other products on workpieces via the positioning pin; requirements for products of different heights and pre-tightening effects after positioning operation are satisfied by cooperation of an external thread of the rear cover and an internal thread in the housing in combination with a spring lock with elasticity; and the telescopic positioning device is concise in overall structure and is convenient to use.
Description
Technical field
The utility model relates to panel beating industry field, especially, relates to a kind of telescopic positioning device.
Background technology
The welding of carrying out the parts such as double-screw bolt in current panel beating industry mainly contains two kinds of modes: (1) line location, and when this kind of mode used, exist and be difficult for fixing, easily produce deviation, be subject to external interference large, and cause the defects such as error; (2) adopt Template Location, this kind of method can guarantee the relative size of double-screw bolt, but deviation easily appears in the bad control of benchmark, affects the assembling at other positions, and need to, by means of template, increase cost; Template takes up room, and construction is inconvenient; Because template is heavier, in use, to waste time and energy, labour intensity is large.
Therefore, inventing a kind of device tool that can make the Related products such as double-screw bolt carry out fast, accurately locate has very important significance.
Utility model content
The utility model object is to provide that structure is simplified, can be carried out fast products such as bolts, the accurate device of location, is applicable in the positioning process with products such as the double-screw bolts of through hole, and concrete technical scheme is as follows:
A kind of telescopic positioning device, comprises housing, alignment pin, spring and bonnet;
The front end of described housing is provided with through hole, and described through hole is of a size of 1.05-1.2 times of described alignment pin cross section;
The end of described alignment pin is movably fixed in described housing by fixed part through described through hole;
Described spring is arranged in the periphery of described alignment pin, and between described fixed part and described through hole;
Described bonnet comprises the attaching parts of lid and circular tube shaped, described attaching parts one end is arranged on described lid, the other end is connected with described fixed part, the external diameter of described attaching parts is less than the internal diameter of described housing, described lid front end end face to the distance of the distal end faces of described housing in the minimum length of described spring between maximum length.
Preferred in above technical scheme, described through hole is of a size of 1.2 times of described alignment pin cross section.
Preferred in above technical scheme, the 0.8-0.95 of the through hole that the cross sectional dimensions of described alignment pin is product to be welded doubly.
Preferred in above technical scheme, described alignment pin be taper shape foremost.
In order to reach better technique effect, also comprise protective cover, described protective cover is arranged on the front end of housing, and the front end of described alignment pin is arranged in described protective cover.
Preferred in above technical scheme, housing and bonnet are stainless steel.
The utlity model has following beneficial effect:
(1) the utility model adopts the combination of housing, alignment pin, spring and bonnet, realize the installing hole of the products such as the bolt on workpiece is located quickly and accurately by alignment pin, and the elasticity that the cooperation of the internal thread by external screw thread on bonnet and enclosure interior has in conjunction with springlock meets the pretension effect of playing after the demand of differing heights product and fixed point, device overall structure is simplified, easy to use.
(2) in the utility model, through hole is of a size of 1.1 times of described alignment pin cross section, makes the friction between alignment pin and through hole reduce to minimum, and has spacing very large skew, the good stability of can not occurring of through hole.
(3) 0.8-0.95 of the through hole that the cross sectional dimensions of alignment pin described in the utility model is product to be welded doubly, is suitable for the product of all size, and can realize location accurately.
(4) in the utility model alignment pin be conical foremost, being convenient to this device can be well, position rapidly.
(5) in the utility model, also comprise protective cover, protective cover is not corroded etc. for the protection of alignment pin, can avoid alignment pin to accidentally injure user simultaneously yet, improves the security of its use.
(6) the utility model middle shell and bonnet are stainless steel, good product quality, long service life.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.
Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment 1;
1-housing; 11-through hole; 2-alignment pin; 3-spring; 4-bonnet; 41-lid; 42-attaching parts; 5-fixed part; 6-protective cover.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can limit and cover according to claim is implemented.
Embodiment 1:
A kind of telescopic positioning device, comprises housing 1, alignment pin 2, spring 3 and bonnet 4, and overall structure is simple, and production cost is low.
The front end of described housing 1 is provided with through hole 11, described through hole 11 is of a size of 1.05-1.2 times of described alignment pin 2 cross sections, be preferably 1.2 times, between alignment pin and through hole, leave certain gap, make the friction between alignment pin and through hole reduce to minimum, and there is the spacing alignment pin that makes of through hole that very large skew can not occur, can realize precise positioning.
The end of described alignment pin 2 is movably fixed in described housing 1 by fixed part 5 through described through hole 11; The cross sectional dimensions of described alignment pin 2 be product to be welded through hole 0.8-0.95 doubly, preferably 0.95 times, can realize accurately and locating.
Described spring 3 is arranged in the periphery of described alignment pin 2, and between described fixed part 5 and described through hole 11, described bonnet 4 comprises the attaching parts 42 of lid 41 and circular tube shaped, described attaching parts 42 one end are arranged on described lid 41, the other end is connected with described fixed part 5, the D outer diameter of described attaching parts 42 is less than the inner diameter d of described housing 1, described lid 41 front end end faces to the distance L of the distal end faces of described housing 1 in the minimum length of described spring 3 between maximum length, by pressing lid 41, power transmission is to the attaching parts 42 of circular tube shaped, the further power transmission of attaching parts 42 is to fixed part 5, fixed part 5 motion compresses springs 3, the compression of spring 3 can increase the length of housing 1 outside fix pin 2, for adapting to the use of the product such as bolt of differing heights, the compression of spring 3 can play good pretension effect to product simultaneously, be convenient to subsequent operation.
Being convenient to this device can be well, position rapidly, described alignment pin 2 be conical foremost; Front end at described housing 1 is also provided with protective cover 6, and the front end of described alignment pin 2 is arranged in described protective cover 6, is not corroded etc. for the protection of alignment pin, also can avoid alignment pin to accidentally injure user simultaneously, improves the security of its use.
Described housing 1 and bonnet 4 are stainless steel, good product quality, long service life.
Telescopic positioning device of the present utility model in use, detailed process is as follows: (1) opens protective cover 6, press the lid 41 in bonnet 4, lid 41 acts on attaching parts 42, further transmission of pressure is to fixed part 5, fixed part 5 acts on alignment pin 2 and adjusts housing 1 outside fix pin 2 length, and spring 3 is in compressive state simultaneously; (2) products such as double-screw bolt to be welded are enclosed within to the front end of alignment pin 2; (2) again the cone-shaped nose of alignment pin is aimed to reserved anchor point in sheet material; (3) unclamp and press, needing pad to carry out pretension the products such as double-screw bolt; (4) carry out follow-up welding procedure.Whole device takes up room little, and practical very convenient, once a personal hand can realize mini zone through hole product fast, locate accurately, without rework operation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a telescopic positioning device, is characterized in that: comprise housing (1), alignment pin (2), spring (3) and bonnet (4);
The front end of described housing (1) is provided with through hole (11), and described through hole (11) is of a size of 1.05-1.2 times of described alignment pin (2) cross sectional dimensions;
The end of described alignment pin (2) is movably fixed in described housing (1) by fixed part (5) through described through hole (11);
Described spring (3) is arranged in the periphery of described alignment pin (2), and is positioned between described fixed part (5) and described through hole (11);
Described bonnet (4) comprises lid (41) and attaching parts cylindraceous (42), described attaching parts (42) one end is arranged on described lid (41), the other end is connected with described fixed part (5), the external diameter (D) of described attaching parts (42) is less than the internal diameter (d) of described housing (1), and the minimum length that described lid (41) front end end face is positioned at described spring (3) to the distance (L) of the distal end faces of described housing (1) is between maximum length.
2. telescopic positioning device according to claim 1, is characterized in that: described through hole (11) is of a size of 1.2 times of described alignment pin (2) cross section.
3. telescopic positioning device according to claim 1, is characterized in that: the 0.8-0.95 of the through hole that the cross sectional dimensions of described alignment pin (2) is product to be welded doubly.
4. telescopic positioning device according to claim 1, is characterized in that: described alignment pin (2) foremost for conical.
5. telescopic positioning device according to claim 4, is characterized in that: also comprise protective cover (6), described protective cover (6) is arranged on the front end of housing (1), and the front end of described alignment pin (2) is arranged in described protective cover (6).
6. telescopic positioning device according to claim 1, is characterized in that: described housing (1) and bonnet (4) are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816204.3U CN203621814U (en) | 2013-12-11 | 2013-12-11 | Telescopic positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816204.3U CN203621814U (en) | 2013-12-11 | 2013-12-11 | Telescopic positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621814U true CN203621814U (en) | 2014-06-04 |
Family
ID=50808332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320816204.3U Expired - Lifetime CN203621814U (en) | 2013-12-11 | 2013-12-11 | Telescopic positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203621814U (en) |
-
2013
- 2013-12-11 CN CN201320816204.3U patent/CN203621814U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |