CN203752084U - Split pin flaring device - Google Patents
Split pin flaring device Download PDFInfo
- Publication number
- CN203752084U CN203752084U CN201420157872.4U CN201420157872U CN203752084U CN 203752084 U CN203752084 U CN 203752084U CN 201420157872 U CN201420157872 U CN 201420157872U CN 203752084 U CN203752084 U CN 203752084U
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- CN
- China
- Prior art keywords
- support
- split pin
- expanding device
- stopper slot
- spanner
- 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
Links
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Disclosed is a split pin flaring device used for expanding a mouth of a split pin. The split pin flaring device comprises a first support, a second support and a third support, wherein the first support and the third support are respectively connected with the second support, a containing space used to contain a pin shaft is formed between the first support and the third support, a first limiting groove used to contain the tail of the split pin is formed in one of the first support and the third support, and a second limiting groove used to contain the head of the split pin is formed in the other one of the first support and the third support. The first limiting groove plays a part in limiting flaring angles of the split pin when the mouth of the split pin is expanded, and therefore the split pin flaring device can expand the mouth of the split pin according to a unified angle.
Description
Technical field
The utility model relates to a kind of split pin expanding device.
Background technology
As the split pin of one of securing member, same to bolt, screw, nut are the same, are widely used on various engineering goods.The major function of split pin is to prevent nut loosening or prevent that bearing pin from coming off, and the installation of split pin, in ensureing the stopping function of split pin, also wishes to have higher installation effectiveness and presentation quality preferably.
At present, split pin generally adopts first by the pin-and-hole on split pin inserting bolt afterbody or bearing pin when mounted, then the mode of operation of utilizing nipper plier that split pin afterbody is pulled open, this kind of mounting means be owing to adopting special split pin expanding device, makes split pin after installing easily affect the stopping function of split pin because opening is not in place.Simultaneously, utilizing existing method to pull open in the process of split pin afterbody, nipper plier ratio is easier to because of operate miss or misoperation scratch surface of the work, and, owing to not having tied mechanism also easily to cause the opening shape disunity of split pin, affect the presentation quality of product.In addition, the split pin quantity of installing when need is when more, and existing method need expend a large amount of time, and installation effectiveness is lower.
Utility model content
In view of this, the utility model object is to provide a kind of split pin expanding device, and this split pin expanding device is simple to operate, reliable, and can ensure to install the unified appearance, attractive in appearance of after-opening pin.
For reaching above-mentioned advantage, the utility model provides a kind of split pin expanding device, for the split pin on bearing pin is carried out to enlarging, it comprises: the first support, the second support, the 3rd support, described the first support is connected with described the second support respectively with described the 3rd support, between described the first support and described the 3rd support, can form an accommodation space of accommodating bearing pin, one of them is provided with the first stopper slot for accommodating split pin afterbody described the first support and described the 3rd support, wherein another is provided with the second stopper slot for accommodating split pin head for described the first support and described the 3rd support.
In an embodiment of the present utility model, also comprise fastener, described the 3rd support is mounted slidably on described the second support, and described fastener is arranged between described the 3rd support and described the second support, for described the 3rd support is fixed on to described the second support.
In an embodiment of the present utility model, described the 3rd support is provided with a U-shaped groove near one end of described the second support, and is sheathed on described the second support by described U-shaped groove.
In an embodiment of the present utility model, described the second support is provided with chute, described fastener comprises sliding part and securing member, described sliding part has the Part I of being located at slidably in described chute, and the Part II being connected with described securing member through described the 3rd support, described securing member after sliding into the position that bearing pin can be sandwiched between described the first support and described the 3rd support at described the 3rd support is fixed described the 3rd support.
In an embodiment of the present utility model, described chute is seen as one " protruding " font groove by its cross section, described sliding part is a T-shaped bolt, described securing member is a wing nut, the wide portion of described T-shaped bolt is located at the sipes portion of described chute slidably, the narrow portion of described T-shaped bolt is connected with described wing nut with described the 3rd support through the narrow slot part of described chute, described wing nut pulls the narrow portion of described T-shaped bolt while tightening, make the step surface between the wide portion of described T-shaped bolt and the sipes portion of described chute and narrow slot part offset and described the 3rd support is fixed.
In an embodiment of the present utility model, described the first stopper slot is trapezoidal, and described the second stopper slot is U-shaped, and the width of part that the width of the narrow side of described the first stopper slot and described split pin are positioned at this place is suitable.
In an embodiment of the present utility model, also comprise angle indicator, described angle indicator is several graduation marks of being located at described the first spacing groove width side, described graduation mark is corresponding with an opening angle of split pin afterbody separately.
In an embodiment of the present utility model, one end being connected with described the second support of described the first support forms one handle to downward-extension.
In an embodiment of the present utility model, described split pin expanding device also comprises a spanner, described spanner has a draw-in groove, and a limit of the afterbody of described split pin is contained in described draw-in groove, under the pulling of described spanner, is pulled to required opening angle place.
In an embodiment of the present utility model, when described the first stopper slot is positioned on the 3rd support, described spanner is broken line type; When described the first stopper slot is positioned on the first support, described spanner is linear pattern.
In sum, split pin expanding device of the present utility model when operation only need be by the 3rd support that slides, lock fastener, pull the operations such as spanner and can realize, operation very simply can effectively improve enlarging efficiency; The stopper slot that split pin afterbody is corresponding and the setting of angle indicator, can make the opening angle of split pin afterbody unified, attractive in appearance; And the utility model also can be adjusted according to the specification of bearing pin corresponding to split pin the position of the 3rd support, makes the bearing pin of the utility model applicable to plurality of specifications, highly versatile.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model the first embodiment split shed pin expanding device.
Fig. 2 is that Fig. 1 split shed pin expanding device is along A to the structural representation of seeing.
Fig. 3 is the use schematic diagram of the utility model the first embodiment split shed pin expanding device.
Fig. 4 is the structural representation of the utility model the second embodiment split shed pin expanding device.
Detailed description of the invention
Technological means and effect of taking for reaching predetermined utility model object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to according to detailed description of the invention of the present utility model, structure, feature and effect thereof, be described in detail as follows.
Fig. 1 is the structural representation of the utility model the first embodiment split shed pin expanding device.Fig. 2 is that split pin expanding device in Fig. 1 is along A to the structural representation of seeing.As depicted in figs. 1 and 2, split pin expanding device 30 of the present utility model comprises the first support 31, the second support 32 and the 3rd support 33.Wherein, the first support 31 is parallel to each other with the 3rd support 33 and respectively with second support 32 is vertical is connected, and forms the accommodation space that can accommodate bearing pin between the first support 31 and the 3rd support 33.
Further, split pin expanding device 30 also comprises fastener 34, and fastener 34 is arranged in the 3rd support 33 and the second support 32, for the 3rd support 33 is fixed on to the second support 32.In the present embodiment, the 3rd support 33 is provided with a U-shaped groove 331 near one end of the second support 32, and be sheathed on slidably on the second support 32 by U-shaped groove 331, in the time that the 3rd support 33 slides into assigned address, be fixed on the second support 32 by fastener 34.In other embodiment of the present invention, the distance between the first support 31 and the 3rd support 33 also can design according to the diameter of a kind of bearing pin of specification 10, now, and can not relative sliding for being fixedly connected with between 32 between the 3rd support 33 and second.
In addition, on the second support 32, can be provided with scale 326(and refer to Fig. 3), this scale 326 be arranged so that the distance between the 3rd support 33 and the first support 31 is more directly perceived, and the specification of bearing pin 10 that can be clamping as required moves to the 3rd support 33 corresponding scale 326 places in advance, facilitate the fixing of bearing pin 10.
Further, the second support 32 is provided with the chute 323 extending along its length, thereby fastener 34 can be free to slide through after the second support 32, and the length of chute 323 can be according to the diameter range design of bearing pin 10.
Further, fastener 34 comprises sliding part 341 and securing member 342, sliding part 341 comprises the Part I of being located at slidably in chute 323, and the Part II being connected with securing member 342 through the 3rd support 33, securing member 342 slides at the 3rd support 33 behind position bearing pin 10 being sandwiched between the first support 31 and the 3rd support 33, can be by fixing the 3rd support 33.Preferably, in the present embodiment, chute 323 is a cross section is the groove of " protruding " type, and the place that this groove joins at its sipes portion and narrow slot part forms step surface.Sliding part 341 is a T-shaped bolt, and securing member 342 is a wing nut.The wide portion (Part I that is sliding part 341 is also the head of T-shaped bolt) of T-shaped bolt can be contained in the sipes portion of chute 323 and its size and adapt with the sipes portion of chute 323, and when preventing from turning wing nut, the wide portion of T-shaped bolt rotates; The narrow portion (Part II that is sliding part 341 is also the screw portion of T-shaped bolt) of T-shaped bolt penetrates in wing nut through the narrow slot part of chute 323, when wing nut is tightened, pull the narrow portion of T-shaped bolt, the wide portion of T-shaped bolt and the step surface of chute 323 are offseted and the 3rd support 33 is fixing.Intelligible, the structure of fastener 34 is not as limit, in other embodiment of the present utility model, fastener 34 can be also other distortion of said structure, slides into after bearing pin 10 can being sandwiched in to the position between the first support 31 and the 3rd support 33 the 3rd support 33 is fixed to this position as long as can realize at the 3rd support 33.
Further, one end that the first support 31 contacts with bearing pin 10 is provided with the first stopper slot 311 that can accommodate split pin 20 afterbodys, and the correspondence position that forms one handle 312, the three supports 33 in the one end away from the first stopper slot 311 is provided with the second stopper slot 333 that can accommodate split pin 20 heads.The first stopper slot 311 and the second stopper slot 333 are positioned at the same side of the first support 31 and the 3rd support 33, and the second stopper slot 333 and securing member 342 are positioned at two opposite sides of the 3rd support 33, according to the direction of Fig. 1, the first stopper slot 311 and the second stopper slot 333 are all positioned at the right side of the first support 31 and the 3rd support 33, and securing member 342 is positioned at the left side of the 3rd support 33.Concrete, the second stopper slot 333 is U-shaped, its size adapts with the head size of split pin 20, to make opening when operation split pin be unlikely to rotate, and the top of split pin 20 heads (being the right-hand member in Fig. 2) withstood and split pin 20 can outwards do not got loose from the pin-and-hole of bearing pin 10 by the sidewall of the second stopper slot 333 correspondences; The first stopper slot 311 is trapezoidal, and the width of part that the width of the narrow side of the first stopper slot 311 and split pin 20 are positioned at this place is suitable, and can the trailer card of split pin 20 be fixed in the first stopper slot 311 along the above-below direction in Fig. 2, in the time that the afterbody of split pin 20 is stuck in the first stopper slot 311, its tail end passes the first stopper slot 311.
Further, as shown in Figure 3, on the first stopper slot 311, be also provided with at least one angle indicator 314, angle indicator 314 is for being located at several graduation marks of the first stopper slot 311 wide sides, these graduation marks are corresponding with an opening angle of split pin 20 afterbodys separately, as 30 °, 45 °, 60 ° etc., and, the maximum opening angle of corresponding split pin 20 afterbodys of sidewall of the first stopper slot 311.In other embodiment of the present utility model, also can in the wide side of the first stopper slot 311, graduation mark be set, and the opening angle of the corresponding split pin of the direct sidewall by the first stopper slot 311 provides constraints to the flaring angle of split pin.
Further, as shown in Figure 3, split pin expanding device 30 also comprises a linear spanner 35, and spanner 35 has a draw-in groove 351, and a limit of the afterbody of split pin 20 is contained in draw-in groove 351, under the pulling of spanner 35, is pulled to required opening angle place.
In the time using split pin expanding device 30 of the present utility model, first according to the specification of bearing pin 10 (diameter), the 3rd support 33 is moved to scale 326 places corresponding on the second support 32, the 3rd support 33 is locked with fastener 34, thereby make split pin expanding device 30 be applicable to the bearing pin of this kind of specification.In the time scale not being set on the second support 32, can be first the 3rd support 33 and the first support 31 be stuck in to the both sides of bearing pin 10, then the 3rd support 33 is locked to the enlarging operation that can carry out split pin 20, completing after the enlarging operation of this split pin, split pin expanding device 30 is taken off and can carry out enlarging to the split pin on next bearing pin from bearing pin 10.
As shown in Figure 3, when to split pin 20 enlarging, one end that split pin 20 afterbodys are grown snaps in the draw-in groove 351 of spanner 35, pulls spanner 35 according to the position of the scale indication in the first stopper slot 311, and pull to specified angle on the limit that split pin 20 afterbodys are grown.Then, again spanner 35 is stuck in to the shorter one end of split pin 20 afterbodys, pull spanner 35 according to the position of the interior scale indication of the first stopper slot 311, the shorter limit of split pin 20 afterbodys is pulled to specified angle, so far, complete split pin 20 enlargings, split pin expanding device 30 is taken off just and can carry out enlarging to next split pin from bearing pin 10.
Fig. 4 is the structural representation of the utility model the second embodiment split shed pin expanding device.As shown in Figure 4, the structure of the first support 41, the second support 42 and the 3rd support 43 is identical with the first embodiment, and difference is the position of the first stopper slot 433 and the second stopper slot 411 and the shape of spanner 45.In a second embodiment, the first stopper slot 433 be located on the 3rd support 43 and structure identical with the structure of the first stopper slot 311 of the first embodiment, the second stopper slot 411 be located on the first support 41 and structure identical with the second stopper slot 333 of the first embodiment, the narrow side of the first stopper slot 433 is relative with the opening of the second stopper slot 411, and the head of split pin 20 and afterbody are stuck in respectively in the second stopper slot 411 and the first stopper slot 433 and locate.In addition, in the present embodiment, spanner 45 is broken line type, that is, spanner 45 has one end of draw-in groove and handle shape at angle, affects use to avoid spanner 45 to interfere with the second support 42 in operating process.The present embodiment is identical with the first embodiment to the step of split pin enlarging, does not repeat them here.
It should be noted that, split pin expanding device of the present utility model also can be used for carrying out bending compared with tubule part to some, and to the lower occasion of bending quality requirement.When use, need distance between position adjustments the first support and the 3rd support of bending place fixing according to pipe fitting, one end of pipe fitting is positioned in the second stopper slot, make the pipe fitting other end through the first stopper slot and need bending place to be positioned at the narrow side of the first stopper slot, then, pipe fitting is snapped in the draw-in groove of spanner, pull spanner according to the position of scale indication in the first stopper slot, the other end of pipe fitting is pulled to specified angle.
In sum, split pin expanding device of the present utility model when operation only need be by the 3rd support that slides, lock fastener, pull the operations such as spanner and can realize, operation very simply can effectively improve enlarging efficiency; The stopper slot that split pin afterbody is corresponding and the setting of angle indicator, can make the opening angle of split pin afterbody unified, attractive in appearance; And the utility model also can be adjusted according to the specification of bearing pin corresponding to split pin the position of the 3rd support, makes the bearing pin of the utility model applicable to plurality of specifications, highly versatile; In addition, the utility model only comprises the limited element such as the first support, the second support, the 3rd support, fastener, makes the utility model simple in structure, cheap.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a split pin expanding device, for the split pin on bearing pin is carried out to enlarging, it is characterized in that: it comprises: the first support, the second support, the 3rd support, described the first support is all connected with described the second support with described the 3rd support, between described the first support and described the 3rd support, can form an accommodation space of accommodating bearing pin, one of them is provided with the first stopper slot for accommodating split pin afterbody described the first support and described the 3rd support, wherein another is provided with the second stopper slot for accommodating split pin head for described the first support and described the 3rd support.
2. split pin expanding device as claimed in claim 1, it is characterized in that: also comprise fastener, described the 3rd support is mounted slidably on described the second support, described fastener is arranged in described the 3rd support and described the second support, for described the 3rd support is fixed on to described the second support.
3. split pin expanding device as claimed in claim 2, is characterized in that: described the 3rd support is provided with a U-shaped groove near one end of described the second support, and is sheathed on described the second support by described U-shaped groove.
4. split pin expanding device as claimed in claim 2, it is characterized in that: described the second support is provided with chute, described fastener comprises sliding part and securing member, described sliding part has the Part I of being located at slidably in described chute, and the Part II being connected with described securing member through described the 3rd support, described securing member after sliding into the position that bearing pin can be sandwiched between described the first support and described the 3rd support at described the 3rd support is fixed described the 3rd support.
5. split pin expanding device as claimed in claim 4, it is characterized in that: described chute is seen as one " protruding " font groove by its cross section, described sliding part is a T-shaped bolt, described securing member is a wing nut, the wide portion of described T-shaped bolt is located at the sipes portion of described chute slidably, the narrow portion of described T-shaped bolt is connected with described wing nut with described the 3rd support through the narrow slot part of described chute, described wing nut pulls the narrow portion of described T-shaped bolt while tightening, make the step surface between the wide portion of described T-shaped bolt and the sipes portion of described chute and narrow slot part offset and described the 3rd support is fixed.
6. the split pin expanding device as described in any one in claim 1 to 5, it is characterized in that: described the first stopper slot is trapezoidal, described the second stopper slot is U-shaped, and the width of part that the width of the narrow side of described the first stopper slot and described split pin are positioned at this place is suitable.
7. split pin expanding device as described in claim 6, it is characterized in that: also comprise angle indicator, described angle indicator is several graduation marks of being located at described the first spacing groove width side, and described graduation mark is corresponding with an opening angle of split pin afterbody separately.
8. the split pin expanding device as described in any one in claim 1 to 5, is characterized in that: one end being connected with described the second support of described the first support forms one handle to downward-extension.
9. the split pin expanding device as described in any one in claim 1 to 5, it is characterized in that: described split pin expanding device also comprises a spanner, described spanner has a draw-in groove, a limit of the afterbody of described split pin is contained in described draw-in groove, under the pulling of described spanner, is pulled to required opening angle place.
10. split pin expanding device as claimed in claim 9, is characterized in that: when described the first stopper slot is positioned on the 3rd support, described spanner is broken line type; When described the first stopper slot is positioned on the first support, described spanner is linear pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157872.4U CN203752084U (en) | 2014-04-02 | 2014-04-02 | Split pin flaring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157872.4U CN203752084U (en) | 2014-04-02 | 2014-04-02 | Split pin flaring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752084U true CN203752084U (en) | 2014-08-06 |
Family
ID=51247392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420157872.4U Expired - Lifetime CN203752084U (en) | 2014-04-02 | 2014-04-02 | Split pin flaring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203752084U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104924272A (en) * | 2015-06-17 | 2015-09-23 | 南车青岛四方机车车辆股份有限公司 | Cotter splitting tool |
| CN105798113A (en) * | 2016-04-22 | 2016-07-27 | 山西平阳重工机械有限责任公司 | Piston semi-closed cavity spring pin flaring device |
| CN112958720A (en) * | 2021-01-29 | 2021-06-15 | 神华神东煤炭集团有限责任公司 | Split pin press-fitting pliers |
| CN113183096A (en) * | 2021-04-23 | 2021-07-30 | 神华神东煤炭集团有限责任公司 | Split pin bending pliers |
| US11185910B2 (en) | 2018-11-26 | 2021-11-30 | Hond Motor Co., Ltd. | Cotter pin forming tool |
-
2014
- 2014-04-02 CN CN201420157872.4U patent/CN203752084U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104924272A (en) * | 2015-06-17 | 2015-09-23 | 南车青岛四方机车车辆股份有限公司 | Cotter splitting tool |
| CN104924272B (en) * | 2015-06-17 | 2016-12-07 | 中车青岛四方机车车辆股份有限公司 | Split pin splits instrument |
| CN105798113A (en) * | 2016-04-22 | 2016-07-27 | 山西平阳重工机械有限责任公司 | Piston semi-closed cavity spring pin flaring device |
| US11185910B2 (en) | 2018-11-26 | 2021-11-30 | Hond Motor Co., Ltd. | Cotter pin forming tool |
| CN112958720A (en) * | 2021-01-29 | 2021-06-15 | 神华神东煤炭集团有限责任公司 | Split pin press-fitting pliers |
| CN113183096A (en) * | 2021-04-23 | 2021-07-30 | 神华神东煤炭集团有限责任公司 | Split pin bending pliers |
| CN113183096B (en) * | 2021-04-23 | 2022-07-26 | 神华神东煤炭集团有限责任公司 | Split pin bending pliers |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |