CN205371213U - Prepackage type locating pin - Google Patents
Prepackage type locating pin Download PDFInfo
- Publication number
- CN205371213U CN205371213U CN201520927077.3U CN201520927077U CN205371213U CN 205371213 U CN205371213 U CN 205371213U CN 201520927077 U CN201520927077 U CN 201520927077U CN 205371213 U CN205371213 U CN 205371213U
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- CN
- China
- Prior art keywords
- support bar
- alignment pin
- prepackage type
- type alignment
- hole
- 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 - Fee Related
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- 238000009434 installation Methods 0.000 claims description 13
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
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Abstract
The utility model relates to a device that machine parts used especially relates to prepackage type locating pin to need manually when assembling semi -closed formal product is inside or mention the inside problem of waiting to assemble the part of product with the help of appurtenance in solving prior art. For solving this technical problem, the utility model discloses a prepackage type locating pin's middle part has the orientation the body moves and to lean on last the getting out of the way the position and keeping away from of setting element of treating in order to pass the body moves and is leaning on the last hook position on the setting element of treating in order to hang, and still have on the body and be used for connecting the connection structure who treats the setting element, can be with the setting element is pre -installed just can not influence the lower extreme on desired position the assembly of treating of inside before former lower extreme to semi -closed structure assembles, it mentions or mentions the inside problem of treating the setting element with the help of appurtenance to have avoided manual after the lower extreme assembly is accomplished effectively, thereby the waste of manpower has also been avoided, the increase of the cost and the operation degree of difficulty, be favorable to improving assembly efficiency.
Description
Technical field
This utility model relates to the device of machine parts, particularly to prepackage type alignment pin.
Background technology
Machinery or high-voltage product alignment pin are widely applied in assembling process because of its simple in construction, the advantage such as easy to process, cheap, and for some special devices as shown in Figure 1, conventional locating pins cannot meet matching requirements.In order to realize the assembling of the top board 8 of the inside to this semiclosed device, need first to be placed in barrel-shaped cover body 9 by the top board 8 offering screwed hole, again lower platen 5 is sleeved on cover body 9 from the upper end of cover body 9 and the upper surface block of the step surface formed that turns up with cover body 9 lower end coordinates, then lower cover 4 is positioned and passes through in lower cover 4, the step surface of the lower end of cover body 9 and lower platen 5, install fastening bolt and realize the assembling of cover body 9 lower end.After manually need to being mentioned by top board 8 by the hole of cover body 9 upper end when top board 8 and upper cover plate 6 are assemblied in cover body 9 upper end having unthreaded hole, luggage is joined again, and this waste namely causing manpower also can reduce assembling speed because of the impact of manpower subjectivity；If cover body 9 excessive height or top board 8 is overweight further, being then necessary for when mentioning top board 8 by relevant device, this can cause again the increase of cost and operation easier.
Summary of the invention
The purpose of this utility model is in that the problem providing prepackage type alignment pin to solve to need when double closing form interiors of products assembles in prior art to mention interiors of products part to be assembled manually or by aid.
For solving this technical problem, this utility model by the following technical solutions:
Prepackage type alignment pin, including vertically extending body, described body is provided with the attachment structure for connecting part to be positioned on the lower, and body is additionally provided with at least one fingertip, and described fingertip is positioned at the top of described attachment structure；Described fingertip has and moves to get out of the way position and away from described body to hang over the hook position on top part to be positioned through top part to be positioned towards described body.
Described fingertip includes the left support bar that middle part is articulated with on described body, and the upper end of left support bar is provided with and is hooked on the elastic component on top part to be positioned to described left support bar applying active force with the lower end realizing left support bar.
The lateral surface of described left support bar is for being made left support bar to getting out of the way the inclined-plane that a direction is moved by top part pushing tow to be positioned.
Described fingertip also includes the right support bar being arranged symmetrically with left support bar, the middle part of right support bar and body are hinged and connected, the two ends of described elastic component are connected with the upper end of left and right support bar respectively, and body offers the installation through hole installed for described elastic component extending radially through described body.
Body peripheral is provided with the vertically extending left and right elongated slot being respectively used to arrange left and right support bar connected with described installation through hole, left and right elongated slot constitutes inverted U-shaped with described installation through hole, and left and right support bar is hingedly connected on the cell wall of left and right elongated slot.
Hinge is passed through on body in the middle part of described left and right support bar.
Described attachment structure is the connection screw thread for matching with the screwed hole on part to be positioned on the lower.
Described elastic component is extension spring.
The diameter of described extension spring is less than the diameter of described installation through hole.
In prior art, the assembling that top board is carried out is the assembling for semi-enclosed inside configuration, needing to mention the luggage again of the part within this semi-closed structure manually or by relevant device in tradition assembling mode to join, this increase not only resulting in the waste of manpower, cost and operation easier also can reduce assembling speed because of the impact of manpower subjectivity.
nullThe middle part of prepackage type alignment pin of the present utility model has moves towards described body with getting out of the way position and moving to hang over the hook position on top part to be positioned away from described body through top part to be positioned，And body also has the attachment structure for connecting part to be positioned on the lower，Therefore before its lower end closed, part to be positioned on the lower can be connected in the attachment structure of this alignment pin when semi-closed structure inside is assembled，The unthreaded hole will offered on part to be positioned top for the upper end traverse of alignment pin from the bottom to top again，Fingertip is subject to the downward extruding force of installing hole applying in this process and retracts so that alignment pin can successfully pass unthreaded hole，Fingertip is at hook position after passing unthreaded hole completely，Now fingertip can be hooked on top part upper surface to be positioned to prevent alignment pin from falling，Thus part to be positioned on the lower being fixed in advance the top of top part to be positioned.So can internal part to be positioned be contained on the position of needs in advance before using this prepackage type alignment pin that the lower end of semi-closed structure is assembled and without influence on the assembling of lower end, efficiently avoid the problem manually mentioned after lower end has been assembled or mention internal part to be positioned by aid, thus it also avoid the increase of the waste of manpower, cost and operation easier, be conducive to improving efficiency of assembling.
Accompanying drawing explanation
Fig. 1 is the structural representation of the targeted a kind of special construction of this utility model；
Fig. 2 is the structural representation of a kind of embodiment of prepackage type alignment pin of the present utility model；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is that the A of Fig. 3 is to sectional view.
Detailed description of the invention
The embodiment of prepackage type alignment pin:
The structure of prepackage type alignment pin is such as shown in Fig. 2 ~ 4, including body 1 and be arranged on the fingertip in body 1, the middle part of body 1 has two and embeds the installing hole 3 installed for fingertip 2, the longitudinal section of described installing hole 3 is inverted U, left and right elongated slot is included) including the elongated slot 31(being opened on body 1 outer surface, and be positioned at the upper end of elongated slot 31 and run through the installation through hole 32 of body 1 diametrically, elongated slot 31 has two and is opened on both sides symmetrical on body 1；The installing hole 3 of inverted U makes to define the stop section 11 being positioned at installing hole 3 on body 1.The support bar 22(that fingertip 2 includes being hinged on body 1 includes left support bar and right support bar), left, the upper end of right support bar 22 is connected to elastic component 21(here for extension spring) two ends, fingertip 2 embeds and is arranged in installing hole 3, extension spring 21 is located in installation through hole 32, extension spring 21 is in the free end (that end not namely being hinged with extension spring 21) of free state lower support bar 22 and is in the both sides of stop section 11 and outward expansion stretches out elongated slot 31 and makes two support bars 22 form splayed configuration, bearing pin 23 by support bar 22 on the cell wall that middle part is hinged on elongated slot 31, body 1 is correspondingly provided with the pin shaft hole 12 for installing bearing pin 23；Support bar 22 can rotate to increase or reduce the width of splayed configuration opening around the axis of bearing pin 23.
Fingertip can be that upper end is fixed on the flared shell fragment of body upper and lower end in other embodiments；Or it is assemblied in the voussoir in installation through hole, there is downward slope by elastic component guiding movement, also can not setting elastic component when the part comparison that need to position is few in above-mentioned installation through hole but be directly assemblied in by voussoir guiding movement in installation through hole, what manual operation realized voussoir gets out of the way position and the switching of hook position；Also can not set described installing through hole but directly offer elongated slot on the both sides of body, support member is arranged in elongated slot and its upper end thereof is on body, middle and lower part connects elastic component so that the lower end of free state lower support element can expand outwardly and form step surface, this internal and hiding step surface of retracting during elastic component pressurized.
When support bar 22 is applied from top to bottom pressure time two support bars 22 lower end can be close to each other and take in elongated slot 31, now the upper end of support bar 22 can rise in the axial direction while extension spring, for ensureing that support bar 22 can be regained in elongated slot 31, the diameter of through hole 32 is installed more than extension spring 21 external diameter certain value, and the upper end of free state lower support element does not contact the top, hole installing through hole 32, the length of support bar 22 is less than the length of elongated hole 3 simultaneously.When support bar 22 not being applied pressure, extension spring 21 can reset and drive the upper end of support bar 22 to draw close, and now the lower end of support bar 22 can expand outwardly and stretch out elongated slot to form step surface on body 1.In order to connect part to be positioned, it is provided with the thread segment 13 matched with part to be positioned in the lower end of body, in order to facilitate the part to be positioned on top to be set with, the diameter light bar segment 14 less than the diameter of main body 1 is set in the upper end of body.
In other embodiments, under the premise meeting foundation location, the quantity of the quantity of installing hole 3 and the fingertip that is arranged in installing hole 3 can be determined according to actual needs, and correspondingly this prepackage type alignment pin can make other progression such as 1 grade, 3 grades, 4 grades；Spring 21 is alternatively other stretchable elastic components.
When using this prepackage type alignment pin that the semiclosed product shown in Fig. 1 is assembled, step is as follows:
When the product of the special construction shown in Fig. 1 is assembled, first extension spring 21 is connected with supporting pin 22, again the fingertip 2 connected is inserted in installing hole 3, adjusting position makes two free ends of support bar 22 stretch out elongated slot 31 and form overhanging step surface on the periphery of body 1, supports the middle part of pin 22 to be hinged on body 1 with bearing pin 23 traverse；The thread segment 13 of body 1 tail end is screwed in top board 8 to be positioned, through circumferentially spaced uniform through hole on cover body 9 and its upper end is made to expose on the top of body 12, pass in the process of through hole from the bottom to top at shank, overhanging support bar 22 be subject to cover body 9 appear on the stage terrace lower surface place apply downward pressure, the lower end of two support bars 22 can be close to each other and take in elongated slot 31, thus passing in the through hole that can offer from cover body 9 of this alignment pin；When after the through hole on the fully extended cover body 9 of two grades of fingertips 2 of lower end, take in and lower end can be expanded and stretch out main body 1 to form step surface in the upper end driving lower support bar 22 of the reset force of extension spring 21, thus this alignment pin will not fall in the through hole cover body 9, but by the upper surface block of cover body 9 and then realize pre-determined bit to top board 8.
The assembling of cover body 9 lower end can be carried out after the pre-determined bit of top board 8 is completed, the through hole on upper cover plate 6 is sleeved on after the assembling of lower end the upper end of main body 1 again, now the support bar 22 of higher level's fingertip 2 is inside contracted so that upper cover plate 6 can fall on the shaft part between two-stage fingertip 2 by downward pressure, shaft part between design two-stage fingertip 2 makes its length equal with the thickness of upper cover plate 6, so the support bar 22 of higher level's fingertip 2 can eject and be pressed on the upper surface of upper cover plate 6 after upper cover plate 6 falls to putting in place, now the support bar 22 of subordinate's fingertip 2 by the upper surface block of cover body 9 without inside contracting, the pre-determined bit to upper cover plate 6 and top board 8 is completed by two-stage fingertip, in order to ensure the effect of pre-determined bit, two through holes that circumferential distance is farthest install this alignment pin.Installing fastening bolt in other installing holes that circumference is uniform, other installing hole places withdraw from this alignment pin again in place after having connected, then install fastening bolt in the installing hole of this alignment pin, complete the assembling to this product.
Claims (9)
1. prepackage type alignment pin, including vertically extending body, it is characterised in that: described body is provided with the attachment structure for connecting part to be positioned on the lower, and body is additionally provided with at least one fingertip, and described fingertip is positioned at the top of described attachment structure；Described fingertip has and moves to get out of the way position and away from described body to hang over the hook position on top part to be positioned through top part to be positioned towards described body.
2. prepackage type alignment pin according to claim 1, it is characterized in that: described fingertip includes the left support bar that middle part is articulated with on described body, the upper end of left support bar is provided with and is hooked on the elastic component on top part to be positioned to described left support bar applying active force with the lower end realizing left support bar.
3. prepackage type alignment pin according to claim 2, it is characterised in that: the lateral surface of described left support bar is for being made left support bar to getting out of the way the inclined-plane that a direction is moved by top part pushing tow to be positioned.
4. prepackage type alignment pin according to claim 3, it is characterized in that: described fingertip also includes the right support bar being arranged symmetrically with left support bar, the middle part of right support bar and body are hinged and connected, the two ends of described elastic component are connected with the upper end of left and right support bar respectively, and body offers the installation through hole installed for described elastic component extending radially through described body.
5. prepackage type alignment pin according to claim 4, it is characterized in that: body peripheral is provided with the vertically extending left and right elongated slot being respectively used to arrange left and right support bar connected with described installation through hole, left and right elongated slot constitutes inverted U-shaped with described installation through hole, and left and right support bar is hingedly connected on the cell wall of left and right elongated slot.
6. the prepackage type alignment pin according to claim 4 or 5, it is characterised in that: hinge is passed through on body in the middle part of described left and right support bar.
7. the prepackage type alignment pin according to claim 4 or 5, it is characterised in that: described attachment structure is the connection screw thread for matching with the screwed hole on part to be positioned on the lower.
8. prepackage type alignment pin according to claim 7, it is characterised in that: described elastic component is extension spring.
9. prepackage type alignment pin according to claim 8, it is characterised in that: the diameter of described extension spring is less than the diameter of described installation through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927077.3U CN205371213U (en) | 2015-11-19 | 2015-11-19 | Prepackage type locating pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927077.3U CN205371213U (en) | 2015-11-19 | 2015-11-19 | Prepackage type locating pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371213U true CN205371213U (en) | 2016-07-06 |
Family
ID=56260599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520927077.3U Expired - Fee Related CN205371213U (en) | 2015-11-19 | 2015-11-19 | Prepackage type locating pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351316A (en) * | 2015-11-19 | 2016-02-24 | 平高集团有限公司 | Pre-installing positioning pin |
| CN108331822A (en) * | 2018-04-25 | 2018-07-27 | 莱芜钢铁集团有限公司 | A kind of special gatherer and introduction method of Fast Installation axis pin |
-
2015
- 2015-11-19 CN CN201520927077.3U patent/CN205371213U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351316A (en) * | 2015-11-19 | 2016-02-24 | 平高集团有限公司 | Pre-installing positioning pin |
| CN108331822A (en) * | 2018-04-25 | 2018-07-27 | 莱芜钢铁集团有限公司 | A kind of special gatherer and introduction method of Fast Installation axis pin |
| CN108331822B (en) * | 2018-04-25 | 2024-08-13 | 莱芜钢铁集团有限公司 | Special importing device and importing method for quickly installing pin shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |