CN202985484U - Tool for connecting flat hole round pin and flat split pin - Google Patents
Tool for connecting flat hole round pin and flat split pin Download PDFInfo
- Publication number
- CN202985484U CN202985484U CN 201220698738 CN201220698738U CN202985484U CN 202985484 U CN202985484 U CN 202985484U CN 201220698738 CN201220698738 CN 201220698738 CN 201220698738 U CN201220698738 U CN 201220698738U CN 202985484 U CN202985484 U CN 202985484U
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- pin
- flat
- caliper
- plate
- hole round
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Abstract
The utility model discloses a tool for connecting a flat hole round pin and a flat split pin, and the tool comprises a pin opening mechanism and a pin coiling mechanism, wherein the pin coiling mechanism is press forming calipers comprising a first calipers body and a second calipers body that are articulated mutually; press forming grooves are formed at positions corresponding to the first calipers body and the second calipers body; and a press forming part capable of allowing a pin plate of the flat split pin to be bonded with the external surface of the flat hole round pin and a containing part capable of containing the flat split pin are formed at the tail ends of rotation travels of the first calipers body and the second calipers body. According to the tool, the pin coiling mechanism is the press forming calipers consisting of the first calipers body and the second calipers body that are articulated mutually, and the press forming part consists of the press forming grooves in the first calipers body and the second calipers body, so that the press forming part can allow the pin plate of the flat split pin to be bonded with the flat hole round pin extensively; action areas of the flat split pin and the flat hole round pin are increased, so that the coiling quality of the flat split pin is improved; and a force suffered by the flat hole round pin does not change the position of the flat split pin easily, so that the axial location accuracy of the flat hole round pin is improved.
Description
Technical field
The utility model relates to pin connector technical field, relates in particular to a kind of instrument for connection flat hole round pin and flat split pin.
Background technology
Pin is mainly used in realizing location, the connection between parts and cutting off element as the overload in safety device, its kind is more, when the effect of pin is when realizing hinged between parts, usually to adopt pin with split pin hole, and be used in conjunction with split pin, break away to prevent pin with split pin hole and connected piece.As Figure 1-3, pin with split pin hole with flat hole is called flat hole round pin 11, the split pin that coordinates with it is generally flat split pin 12, flat split pin 12 with the pin plate of the afterbody of flat split pin 12 is bent after flat hole round pin 11 is connected, thereby realize that flat hole round pin 11 is along the location of self axis.
After steel plate shearing is adopted in flat split pin 12, crimping is shaped, its strength and stiffness are more much larger than common split pin, and, its circumferential and no-fix after flat hole round pin 11 is connected with flat split pin 12, therefore, in order to facilitate both connections, conventional art adopts hydraulic means to realize the installation of flat hole round pin 11 and flat split pin 12.Particularly, this hydraulic means comprises two parts: expense mechanism, its main working parts is jacking block, the arc surface that the end of jacking block has wedge angle and is undertaken in the wedge angle both sides, hydraulic cylinder drives jacking block near the flat split pin 12 that is installed on flat hole round pin 11, wedge angle on jacking block inserts flat split pin 12 afterbodys, realizes expense, continues to promote jacking block and makes two pin plates of flat split pin 12 be out of shape along arc surface; The dish pin mechanism, its main working parts is briquetting, and the end of briquetting has U-shaped draw-in groove, and hydraulic cylinder drives briquetting near flat split pin 12, and two pin plates that make flat split pin 12 further are out of shape along the circumferencial direction of flat hole round pin 11.
In above-mentioned hydraulic means, briquetting in the dish pin mechanism is by the U-shaped draw-in groove realization dish pin operation of its end, yet, the positioning accuracy of flat hole round pin 11 is directly related with the area that flat split pin 12 is wrapped on its periphery, and through after above-mentioned briquette forming, the pin plate of flat split pin 12 afterbodys is U-shaped, causes flat split pin 12 less with the active area of flat hole round pin 11, causes flat hole round pin 11 relatively poor along self axial positioning accuracy.
Therefore, how to solve flat hole round pin along the relatively poor problem of self axial positioning accuracy, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model is to provide a kind of instrument for connection flat hole round pin and flat split pin, and this instrument can improve flat hole round pin along self axial positioning accuracy.
To achieve these goals, the utility model provides following technical scheme:
A kind of instrument for connection flat hole round pin and flat split pin, comprise expense mechanism and dish pin mechanism, described dish pin mechanism is the swaging clamp, described swaging clamp comprise the first caliper and the second caliper that is hinged, the corresponding position of described the first caliper and described the second caliper all has the swaging groove, and both rotational travel ends form the holding part of the head of the swaging section of the pin plate can make described flat split pin and described flat hole round pin outer surface applying and accommodating described flat split pin.
Preferably, in above-mentioned instrument, described expense mechanism is opening quotation pin spanner, and an end of described opening quotation pin spanner is flat expense end, the dish pin-and-hole that described flat expense end has the expense sword and stretches into for described pin plate.
Preferably, in above-mentioned instrument, also comprise the detent mechanism be used to the circumferential location of realizing described flat hole round pin.
Preferably, in above-mentioned instrument, described detent mechanism is dowelled spanner, and described dowelled spanner comprises location-plate and is fixed on described location-plate, and can insert the alignment pin of described flat split pin head, described location-plate end has the locating slot that can fit with described flat hole round pin.
Preferably, in above-mentioned instrument, the two ends of described location-plate all have described alignment pin and described locating slot.
Preferably, in above-mentioned instrument, the described alignment pin at described location-plate two ends lays respectively at the both sides of described location-plate.
Preferably, in above-mentioned instrument, an end of described location-plate is along the bearing of trend of the described alignment pin other end higher than described location-plate.
Preferably, in above-mentioned instrument, described locating slot comprises the circular trough section and respectively from the planar slot section of described circular trough section two ends extension, the radius of described circular trough section equates with the radius of described flat hole round pin.
Preferably, in above-mentioned instrument, the pin joint of described the first caliper and described the second caliper is positioned at both ends, and described swaging groove is positioned at an end of close described pin joint on described the first caliper and described the second caliper.
Preferably, in above-mentioned instrument, the corresponding position of described the first caliper and described the second caliper all has a plurality of described swaging grooves.
In technique scheme, the instrument that is used for connection flat hole round pin and flat split pin that the utility model provides comprises expense mechanism and dish pin mechanism, this dish pin mechanism is the swaging clamp, these swaging clamp comprise the first caliper and the second caliper that is hinged, the corresponding position of the first caliper and the second caliper all has the swaging groove, and both rotational travel ends form the holding part of the head of the swaging section of the pin plate can make flat split pin and the applying of flat hole round pin outer surface and accommodating flat split pin.When using this instrument, employing expense mechanism is with the separately also pre-bending of two pin plates of flat split pin, then operate simultaneously the first caliper and the second caliper, both are relatively rotated, after the swaging groove on the first caliper and the second caliper forms swaging section, two pin plates of flat split pin are fitted with the outer surface of flat hole round pin gradually, and the head of flat split pin is positioned at holding part.
By foregoing description as can be known, the instrument that the utility model provides coils pin mechanism and is set to the swaging clamp, these swaging clamp are comprised of the first caliper that is hinged and the second caliper, and swaging section is comprised of the swaging groove on both, therefore, swaging section can make the pin plate of flat split pin fit with flat hole round pin in large area.Obviously, the content of introducing in the background technology, above-mentioned instrument has increased the active area of flat split pin and flat hole round pin, makes flat split pin be difficult for deforming, and then reduced flat hole round pin along self axial shifting amount, thereby improved flat hole round pin along self axial positioning accuracy.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in the utility model embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of typical flat hole round pin;
Fig. 2 is a kind of structural representation of typical flat split pin;
Fig. 3 is the top view of Fig. 2;
The structural representation of the swaging clamp that Fig. 4 provides for the utility model embodiment;
The structural representation of the opening quotation pin spanner that Fig. 5 provides for the utility model embodiment;
The structural representation of the dowelled spanner that Fig. 6 provides for the utility model embodiment;
Fig. 7 is the top view of Fig. 6.
In upper Fig. 1-7:
Flat hole round pin 11, flat split pin 12, the first caliper 21, the second caliper 22, swaging groove 23, holding part 24, flat expense end 31, handheld terminal 32, location-plate 41, alignment pin 42, locating slot 43.
The specific embodiment
Core of the present utility model is to provide a kind of instrument for connection flat hole round pin and flat split pin, and this instrument can improve flat hole round pin along self axial positioning accuracy.
In order to make those skilled in the art understand better the technical scheme that the utility model provides, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The instrument that is used for connection flat hole round pin and flat split pin that the utility model embodiment provides comprises expense mechanism and dish pin mechanism, expense mechanism can adopt the expense mechanism of the hydraulic means described in background technology, the utility model embodiment coils pin mechanism and is set to the swaging clamp, as shown in Figure 4, these swaging clamp comprise the first caliper 21 and the second caliper 22 that the middle part is hinged.The corresponding position of the first caliper 21 and the second caliper 22 all has swaging groove 23, and this swaging groove 23 can be oval groove or circular trough etc., swaging better effects if when adopting circular trough; The rotational travel end of the first caliper 21 and the second caliper 22 forms the holding part 24 of the head of the swaging section of the pin plate that can make flat split pin and the applying of flat hole round pin outer surface and accommodating flat split pin, this swaging section is comprised of the swaging groove 23 on the swaging groove 23 on the first caliper 21 and the second caliper 22, thereby act on simultaneously on two pin plates of flat split pin, this holding part 24 is used for placing the head of flat split pin, avoids it to be crushed and breaks away from hole on flat hole round pin.
Before using above-mentioned instrument, the pin-and-hole on first centering connected piece is coated with moderate lubrication fat on the plane of rotation of pin-and-hole and sliding surface, penetrate flat hole round pin in pin-and-hole, and hole on flat hole round pin, Preliminary detection shifting amount are passed in flat split pin; Then adopt expense mechanism with two pin plates of flat split pin separately and pre-bending; Then operate simultaneously the first caliper 21 and the second caliper 22, both are relatively rotated, after the swaging groove 23 on the first caliper 21 and the second caliper 22 forms swaging section, two pin plates of flat split pin are fitted with the outer surface of flat hole round pin gradually, the head of flat split pin is positioned at holding part 24, detection shifting amount after swaging is completed.
By foregoing description as can be known, the instrument that the utility model embodiment provides coils pin mechanism and is set to the swaging clamp, these swaging clamp are comprised of the first caliper 21 that is hinged and the second caliper 22, and swaging section is comprised of the swaging groove 23 on both, therefore, swaging section can make the pin plate of flat split pin fit with the outer surface of flat hole round pin in large area.Obviously, the content of introducing in the background technology, above-mentioned instrument has improved the quality of coiling of flat split pin, increased the active area of flat split pin and flat hole round pin, in connected piece when work, put on the position that power on flat hole round pin is not easy to change flat split pin, make flat split pin be difficult for deforming, and then reduced flat hole round pin along self axial shifting amount, thereby improved flat hole round pin along self axial positioning accuracy.
Further in technical scheme, the utility model embodiment has also done improvement to the structure of above-mentioned expense mechanism, as shown in Figure 5, particularly, this expense mechanism is opening quotation pin spanner, and this opening quotation is sold spanner and be can be solid rod member, and the one end is flat expense end 31, the dish pin-and-hole that this flat expense end 31 has the expense sword and stretches into for pin plate, this dish pin-and-hole is square blind hole.When using this expense mechanism, at first separate by two pin plates of expense sword with flat split pin, then successively with in two pin plate Disk pin-and-holes, operating personnel rotate opening quotation pin spanner along the circumferencial direction of flat hole round pin, the side that guarantees pin plate is substantially parallel with the end face of connected piece, make pin plate increasing with respect to the camber of flat hole round pin, can adopt the swaging clamp two pin plates to be depressed into the position of fitting with flat hole round pin behind the position that reaches capacity.With respect to the expense mechanism in hydraulic means, the opening quotation pin spanner that this programme provides not only can be controlled the pre-bending degree of pin plate flexibly, and simple to operate, operating efficiency is higher, and simultaneously, this tool construction is simple, cost is lower, is applicable to expense and the dish pin of the flat split pin of plurality of specifications.
In order to increase the intensity of opening quotation pin spanner, reduce simultaneously its weight, can adopt stainless-steel pipe to suppress and obtain required opening quotation pin spanner after flat expense end 31 and grinding go out the expense sword, at this moment, opening quotation pin spanner is hollow, its weight reduces naturally greatly, and the expense sword of grinding more is conducive to overhead operations.In addition, the other end of opening quotation pin is handheld terminal 32, and this handheld terminal 32 keeps cylindrical structural without compacting, and the convenient operation person grips.
Further in technical scheme, the instrument that the utility model embodiment provides also comprises detent mechanism, and this detent mechanism is used for the circumferential location realize flat hole round pin, this detent mechanism can adopt that the existing survivor of a murder attempt clamps etc. instrument.In order to optimize above-mentioned instrument, this detent mechanism is dowelled spanner, and as shown in Figure 6 and Figure 7, this dowelled spanner comprises location-plate 41 and is fixed on location-plate 41, and can insert the alignment pin 42 of flat split pin head.This location-plate 41 can be the flat board that is processed by stainless steel materials, and its end has the locating slot 43 that can fit with flat hole round pin; Alignment pin 42 can be through being welded on location-plate 41 after turning processing, but also in the hole of interference fit on location-plate 41, its size is larger what guarantee to arrange on its basis that can insert flat split pin head as far as possible, so that the location of flat hole round pin, and the position of alignment pin on location-plate 41 locating slot 43 when guaranteeing that alignment pin 42 inserts flat split pin head can be fitted with the outer surface of flat hole round pin and is as the criterion.When using this dowelled spanner, grip location-plate 41, alignment pin 42 is inserted flat split pin head, at this moment, locating slot 43 is fitted with the outer surface of flat hole round pin, so, even flat hole round pin and flat split pin are subject to applied external force, the operator also can keep dowelled spanner motionless, prevents that flat hole round pin from rotating, the circumferential location of then realizing flat hole round pin.
On the basis of such scheme, alignment pin 42 and locating slot 43 can all be set at the location-plate two ends, to form two groups of alignment pins 42 and locating slot 43.The size of two groups of alignment pins 42 and locating slot 43 can equate, changes another group when one group of alignment pin 42 and locating slot 43 can't use to reach wherein, with the purpose in service life of extending dowelled spanner; The size of two groups of alignment pins 42 and locating slot 43 can not wait yet, thus according to the flat hole round pin of different size be connected the connection of split pin and select corresponding alignment pin 42 and locating slot 43, to enlarge the scope of application of this dowelled spanner.Certainly, the shape of above-mentioned location-plate 41 can further be improved, so that three groups or more groups of alignment pins 42 and locating slot 43 can be set on it simultaneously.
Usually above-mentioned swaging clamp, opening quotation pin spanner and dowelled spanner can be positioned in the tool box, so that the management of this instrument and maintenance.
When adopting two groups due to above-mentioned alignment pin 42 and locating slot 43, when using separately wherein one group, the alignment pin 42 that may occur in another group interferes with connected piece, in order to address this problem, the utility model embodiment is arranged at the alignment pin 42 at location-plate 41 two ends respectively the both sides of location-plate 41, when one of them alignment pin 42 inserted flat split pin head, another alignment pin 42 was positioned at the opposite side of location-plate 41, is not easy to interfere with connected piece.
In preferred technical scheme, an end of location-plate 41 is along the bearing of trend of alignment pin 42 other end higher than location-plate 41, specifically as shown in Figure 6.When an end of location-plate 41 arranges alignment pin 42, it is higher that the other end of location-plate 41 namely arranges, so that this end of location-plate 41 is away from connected piece, the handled easily person grips this location-plate 41, when the two ends of location-plate 41 are provided with alignment pin 42, select arbitrarily an end to make that this end is higher to be got final product.Obviously, this scheme hand of effectively having avoided the operator is abraded in the process of using dowelled spanner etc.
Above-mentioned locating slot 43 can be half slot, but in view of half slot still not high enough in the intensity of location during flat hole round pin, the utility model embodiment has done further improvement to locating slot, it specifically comprises circular trough section and the planar slot section of extending from this circular trough section two ends respectively, the radius of circular trough section equates with the radius of flat hole round pin, and this locating slot is roughly taken the shape of the letter U.Prevent further that by increasing by two planar slot sections location-plate 41 and flat hole round pin break away from, and help to improve the positioning accuracy of flat hole round pin.
In preferred technical scheme, the first caliper 21 in the various embodiments described above and the pin joint of the second caliper 22 are positioned at both ends, and 23 of swaging grooves are positioned at an end of close pin joint on the first caliper 21 and the second caliper 22.Obviously, according to lever principle, this scheme adopts labor-saving structure, makes the arm of force at swaging groove 23 places larger, and the operator only needs less power flat split pin can be depressed into required state.
in order further to extend the service life of above-mentioned instrument, and enlarge its scope of application, the utility model embodiment all arranges a plurality of swaging grooves 23 in the corresponding position of the first caliper 21 and the second caliper 22, the size of each swaging groove 23 can equate, only change the swaging position to reach, need not to change the purpose of swaging clamp, the size of each swaging groove 23 can not wait yet, the purpose that operates with flat hole round pin and the flat split pin that reaches plurality of specifications, certainly, above-mentioned a plurality of swaging groove 23 also can be used as the different phase swaging groove of same flat split pin, as a swaging, secondary swaging etc., so that improve by a larger margin the forming quality of flat split pin, usually, after using this instrument, the applying length of flat split pin and flat hole round pin can reach 3/4 of flat hole round pin circumferential length.In addition, the first caliper 21 and the second caliper 22 all can be comprised of handle and cutting ferrule body, and handle is connected with cutting ferrule body bolt, only need change the cutting ferrule body when connecting the flat hole round pin of different specifications and flat split pin and get final product.
Certainly, the structure described in the various embodiments described above can in the situation that get rid of conflicting any combination, reach better effect.
Above instrument for connection flat hole round pin and flat split pin provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. instrument that is used for connection flat hole round pin and flat split pin, comprise expense mechanism and dish pin mechanism, it is characterized in that, described dish pin mechanism is the swaging clamp, described swaging clamp comprise the first caliper (21) and the second caliper (22) that is hinged, the corresponding position of described the first caliper (21) and described the second caliper (22) all has swaging groove (23), and both rotational travel ends form the holding part (24) of the head of the swaging section of the pin plate can make described flat split pin and described flat hole round pin outer surface applying and accommodating described flat split pin.
2. according to instrument claimed in claim 1, it is characterized in that, described expense mechanism is opening quotation pin spanner, and an end of described opening quotation pin spanner is flat expense end (31), the dish pin-and-hole that described flat expense end (31) has the expense sword and stretches into for described pin plate.
3. according to instrument claimed in claim 1, it is characterized in that, also comprise the detent mechanism be used to the circumferential location of realizing described flat hole round pin.
4. according to instrument claimed in claim 3, it is characterized in that, described detent mechanism is dowelled spanner, described dowelled spanner comprises location-plate (41) and is fixed on described location-plate (41), and can insert the alignment pin (42) of described flat split pin head, described location-plate (41) end has the locating slot (43) that can fit with described flat hole round pin.
5. according to instrument claimed in claim 4, it is characterized in that, the two ends of described location-plate (41) all have described alignment pin (42) and described locating slot (43).
6. according to instrument claimed in claim 5, it is characterized in that, the described alignment pin (42) at described location-plate (41) two ends lays respectively at the both sides of described location-plate (41).
7. according to instrument claimed in claim 4, it is characterized in that, an end of described location-plate (41) is along the bearing of trend of described alignment pin (42) other end higher than described location-plate (41).
8. according to instrument claimed in claim 4, it is characterized in that, described locating slot (43) comprises the circular trough section and respectively from the planar slot section of described circular trough section two ends extension, the radius of described circular trough section equates with the radius of described flat hole round pin.
9. according to the described instrument of any one in claim 1-8, it is characterized in that, the pin joint of described the first caliper (21) and described the second caliper (22) is positioned at both ends, and described swaging groove (23) is positioned at described the first caliper (21) and the upper end near described pin joint of described the second caliper (22).
10. according to the described instrument of any one in claim 1-8, it is characterized in that, the corresponding position of described the first caliper (21) and described the second caliper (22) all has a plurality of described swaging grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698738 CN202985484U (en) | 2012-12-17 | 2012-12-17 | Tool for connecting flat hole round pin and flat split pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698738 CN202985484U (en) | 2012-12-17 | 2012-12-17 | Tool for connecting flat hole round pin and flat split pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202985484U true CN202985484U (en) | 2013-06-12 |
Family
ID=48556702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220698738 Expired - Fee Related CN202985484U (en) | 2012-12-17 | 2012-12-17 | Tool for connecting flat hole round pin and flat split pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202985484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464360A (en) * | 2022-09-30 | 2022-12-13 | 湖南铁路科技职业技术学院 | Flat split pin of round pin rolls up pneumatic frock of package |
-
2012
- 2012-12-17 CN CN 201220698738 patent/CN202985484U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464360A (en) * | 2022-09-30 | 2022-12-13 | 湖南铁路科技职业技术学院 | Flat split pin of round pin rolls up pneumatic frock of package |
| CN115464360B (en) * | 2022-09-30 | 2023-08-04 | 湖南铁路科技职业技术学院 | Round pin flat split pin package pneumatic tool |
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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: 20130612 Termination date: 20171217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |