CN208495938U - A kind of pin of fast quantification shear openings pin is cut - Google Patents

Abstract

The utility model discloses a kind of pins of fast quantification shear openings pin to cut, including be set on the shaft and up and down split on cut and under cut, it cuts under described and is connect by connecting key with shaft, cut on described and under be correspondingly arranged on the plug-in opening that circumferentially perforation offers several coaxial arrangements on the haircut cut, the handle of cutting above cut is connect by the handle of cutting that elastic mechanism is cut under；The shaft sequentially pass through downwards cut and under cut and be connected with columned pin cylinder, lower position on the outer wall of the pin cylinder positioned at the plug-in opening offers the fixing groove of vertical direction respectively, split pin sequentially pass through from top to bottom cut and under plug-in opening on the haircut cut and protrude into fixing groove；Cut mode compared to traditional split pin, the utility model have shear efficiency is high, shearing is time saving and energy saving, prevent extra fracture pin section splashings, split pin cut-to-length, split pin from shearing after the unified and standard beneficial effect of length.

Description

A kind of pin of fast quantification shear openings pin is cut

Technical field

The utility model belongs to machine components processing technology field, and in particular to a kind of pin of fast quantification shear openings pin It cuts.

Background technique

In various mechanical equipments and device, especially requires to carry out locking processing at moving component, avoid equipment There is a situation where loose-parts to occur in the long-term use.Especially in aircraft or carry-on hatchcover, hatch door, abdomeinal fin Etc. moving parts, it is necessary to carry out strict anti-loosening processing, and the locking processing mode being used on airplane is usually used The locking method of split pin carries out locking processing.Nearly all moving part can all use split pin and carry out locking processing on aircraft, open The use of mouth pin insurance occupies 50 or more the percent of entire plane insurance, it can be seen that the use of split pin aboard Range and scale be very big.When being insured aboard using split pin, worker insures split pin after the installation is completed, needs The split pin of additional length is cut, general cutting split pin is to cut split pin using nipper plier or cut using straight screwdriver The method of disconnected split pin, since nipper plier progress split pin cutting or straight screwdriver carry out dynamics when split pin is chopped off very Greatly, it will lead to split pin to sputter in fracture, it is easy to generate fifth wheel aboard, and due to using on aircraft Split pin is large number of, is extremely wasted time using the mode for manually cutting split pin one by one, efficiency is lower.And due to operation The level and proficiency of personnel are different, and similar split pin insurance length after treatment is simultaneously nonstandard, and appearance of fracture is also lack of standardization. For defect present in traditional split pin insurance processing, the utility model discloses a kind of pins of fast quantification shear openings pin It cuts.

Utility model content

The purpose of this utility model is to provide a kind of pins of fast quantification shear openings pin to cut, for traditional split pin Insure processing mode present in treatment effeciency it is low, processing after similar split pin length skimble-scamble defect lack of standardization, realize batch Quantization THE ADIABATIC SHEAR IN split pin, fixed length handle the function of similar split pin, have shear efficiency it is high, can unified split pin insurance grow It spends, prevent the effect that fifth wheel generates on machine.

The utility model is achieved through the following technical solutions:

A kind of pin of fast quantification shear openings pin is cut, including be set on the shaft and up and down split on cut and under cut, Cut under described and connect by connecting key with shaft, it is described on cut and under be correspondingly arranged on the haircut cut and circumferentially penetrate through The plug-in opening for offering several coaxial arrangements, the handle of cutting above cut are connect by the handle of cutting that elastic mechanism is cut under；The shaft Sequentially pass through downwards cut and under cut and be connected with columned pin cylinder, be located under the plug-in opening on the outer wall of the pin cylinder The fixing groove for offering vertical direction respectively is set in orientation, split pin sequentially pass through from top to bottom cut and under inserting on the haircut cut Fixing groove is simultaneously protruded into dress hole.

Operation principle and using method:

The shear structure of the utility model mainly have on cut, under cut, shaft and elastic mechanism constitute, it is described on cut under Cut and be sleeved on shaft from top to bottom, and on cut the haircut the cut split up and down under.The lower part of shaft, which extends to down, simultaneously cuts Outside and it is fixedly connected with pin cylinder, sells the lower position on the outer wall of cylinder positioned at the plug-in opening and offer consolidating for vertical direction respectively Determine slot；The length degree of the vertical direction of affiliated fixing groove carries out corresponding according to the physical length that the split pin of different size needs Setting.Under cut and connect by connecting key with shaft, so that the relative position cut between pin cylinder under guaranteeing is fixed, above cutting then can be with The rotation of certain angle is carried out around shaft.On cut cut handle and under cut cut and be attached between handle by elastic mechanism, do not have Have cut in pressing when cutting handle, elastic mechanism be in relaxed state, at this time on plug-in opening on the haircut cut and under the haircut cut On plug-in opening and pin drum outer wall on fixing groove be in coaxial state.When needing to carry out the shearing of split pin, it will open Mouth pin is inserted through plug-in opening from bottom to up from fixing groove, and the bottom surface of fixing groove position to the split pin of insertion solid It is fixed.Then pressing on cut, when above cutting rotation and under cut between produced shearing force split pin is cut.Length after split pin shearing The vertical length that degree is equal to fixing groove adds down the thickness cut, according to the split pin of different size length actually required to phase The vertical length of fixing groove should be set, and then guarantee that length of the split pin after cutting is unified and standard.It cuts on because and to be cut under It is provided with several plug-in openings on haircut, sells and is provided with quantity several fixing grooves equal with plug-in opening on the outer wall of cylinder, because This can once carry out the shearing of more split pins, substantially increase the shear efficiency of split pin；Meanwhile after split pin cutting, The pin section of fracture receives position-limiting action due to being partially also inserted among the plug-in opening cut, will not splashes, avoid Split pin leads to the problem of residual and sells section when cutting.It after shearing, is cut in release, above cuts the rebound effect in elastic mechanism Under return to original position, be aligned plug-in opening again, sheared convenient for split pin next time.

In order to preferably realize the utility model, further, the elastic mechanism includes being correspondingly arranged at down cutting of cutting Sleeve on the inside of handle and the compression leg cut on the inside of handle cut on being arranged in；The sleeve inner is provided with spring, and sleeve is close to pressure One end of column is open end；One end of the compression leg is fixedly connected with the handle inside of cutting above cut, the other end and set of the compression leg Cylinder internal slide connection, and the free end of compression leg is connected by the bottom of spring and sleeve.

Operation principle and using method:

On one end for cutting handle and compression leg for cutting connect, the other end of compression leg inserts inside the open end of sleeve, sleeve What closed end was cut under cut, and handle connect connection and sleeve inner is built-in with spring.When shearing with carrying out split pin, cut in pressing, on Compression leg is driven to move to sleeve inner when cutting rotation, compression leg squeezes spring at this time, makes spring-compressed, above cuts and cut to split pin It cuts；It after shearing, is cut in release, spring loses compressing rebound at this time, and compression leg drives under the rebound effect of spring and cuts back To original position.

In order to preferably realize the utility model, further, the slot diameter of the fixing groove is not less than above fixing groove The aperture of plug-in opening, the bottom of fixing groove are additionally provided with the bigger sinker area of slot diameter.

The slot diameter of fixing groove should be equal to or slightly greater than the diameter of plug-in opening, open in the case where guaranteeing locating effect Mouthful pin from inserting in plug-in opening from bottom to up from fixing groove；The bigger sinking of slot diameter is additionally provided in the bottom of fixing groove simultaneously Area is also for being put into and fixing convenient for split pin.

In order to preferably realize the utility model, further, the fixing groove vertical direction length according to opening The required length for selling different is accordingly arranged.

The length of the vertical direction of fixing groove is set accordingly according to the actual needs length of the split pin of different size It sets, that is, can guarantee that the length of the split pin after shearing is unified and standard.

In order to preferably realize the utility model, further, the aperture of the plug-in opening is according to the opening of different size The diameter of pin is accordingly arranged.

In order to preferably realize the utility model, further, cylindric hollow out is offered centered on the pin cylinder Tubular structure.

Since the actual use part of pin cylinder is only the fixation slot part on outer wall, the central part for selling cylinder is without practical It uses, therefore opening up columned hollow out at the center of pin cylinder is the weight in order to mitigate pin cylinder, makes entirely to sell the weight cut Amount mitigates, and the use for cutting pin is more lightweight and convenient.

In order to preferably realize the utility model, further, it is described on cut and under cut cut be provided on the outside of handle it is anti- Sliding decorative pattern.

It is upper cut and under cut cut and be provided with anti-skidding decorative pattern on handle, be in order to avoid operator is practical using this When novel, because the reasons such as palm of the hand perspiration cause pin to cut the case where slipping out of the hand.

The utility model compared with prior art, have the following advantages that and the utility model has the advantages that

(1) the utility model by it is upper cut and under along the circumferential direction open up several of coaxial arrangement on the haircut cut and insert Hole is filled, mounting groove identical with plug-in opening coaxial arrangement and quantity is opened up on the outer wall of pin cylinder, realizes split pin in fixation Positioning in slot is fixed, and is inserted into plug-in opening to be cut from above and is completed to split pin to shear；It realizes and disposably shears more and open The function that mouth pin, the pin section for placing fracture are splashed.Compared to traditional split pin cut mode, the utility model has shearing effect The beneficial effect that rate is high, shearing is time saving and energy saving, prevents extra fracture pin section from splashing；

(2) the utility model carries out phase to fixing groove according to the practically necessary use length of the split pin of different size The vertical length setting answered, realizes the cut-to-length of split pin, compared to traditional split pin cut mode, the utility model With the unified and standard beneficial effect of length after split pin cut-to-length, split pin shearing.

Detailed description of the invention

Fig. 1 is the overall structure diagrammatic cross-section of the utility model；

Fig. 2 is the overall structure stereoscopic schematic diagram of the utility model；

Fig. 3 is the structural schematic diagram of elastic mechanism；

Fig. 4 is plug-in opening, fixing groove and the structural schematic diagram of sinker area.

Wherein: 1- sells cylinder；It is cut on 2-；It is cut under 3-；4- elastic mechanism；41- compression leg；42- sleeve；5- connecting key；6- shaft； 01- plug-in opening；02- fixing groove；The sinker area 03-.

Specific embodiment

Embodiment 1:

A kind of pin of fast quantification shear openings pin of the present embodiment is cut, and as depicted in figs. 1 and 2, including is set in shaft 6 It is upper and up and down split on cut 2 and under cut 3, which is characterized in that cut 3 under described and connect by connecting key 5 with shaft 6, it is described on Cut 2 and under cut and be correspondingly arranged on the plug-in opening 01 that circumferentially perforation offers several coaxial arrangements on 3 haircut, on The handle of cutting for cutting 2 is cut 3 handle of cutting by elastic mechanism 4 under and is connect；The shaft 6 sequentially pass through downwards cut 2 and under cut 3 and even It is connected to columned pin cylinder 1, the lower position that the plug-in opening 01 is located on the outer wall of the pin cylinder 1 offers vertical side respectively To fixing groove 02, split pin sequentially pass through from top to bottom cut 2 and under cut the plug-in opening 01 on 3 haircut and protrude into fixing groove 02, offer the tubular structure of cylindric hollow out centered on the pin cylinder 1, it is described on cut 2 and under cut 3 and cut and be all provided on the outside of handle It is equipped with anti-skid design.

The shear structure of the utility model mainly include above cut 2, under cut 3, shaft 6 and elastic mechanism 4, it is described on cut 2 3 are cut under to be sleeved on from top to bottom on shaft 6, and on cut 2 under cut 3 haircut up and down splits.The lower part of shaft 6 is prolonged simultaneously It extends to down and cuts except 3 and be fixedly connected with pin cylinder 1, sell the lower position on the outer wall of cylinder 1 positioned at the plug-in opening 01 and open respectively Fixing groove 02 equipped with vertical direction；The length degree of the vertical direction of affiliated fixing groove 02 is according to the split pin needs of different size Physical length be arranged accordingly.Under cut 3 and connect with shaft 6 by connecting key 5, to cut 3 under guarantee and sell between cylinder 1 Relative position fix, above cut 2 can around shaft 6 carry out certain angle rotations.On cut 2 cut handle and under cut 3 and cut It is attached between handle by elastic mechanism 4, does not press and cut 2 when cutting handle, elastic mechanism 4 is in relaxed state, at this time On to cut the fixing groove 02 that the plug-in opening 01 on 2 haircut is cut the plug-in opening 01 on 3 haircut under and sold on the outer wall of cylinder 1 equal In coaxial state.When needing to carry out the shearing of split pin, split pin is inserted through from bottom to up from fixing groove 02 The split pin of insertion is fixed on the positioning in the bottom surface of plug-in opening 01, fixing groove 02.Then 2 are cut in pressing, when above cutting 2 rotation with Under cut produced shearing force between 3 and cut split pin.Split pin shearing after length be equal to fixing groove 02 vertical length with Under cut the sum of 3 thickness, according to the split pin of different size length actually required to accordingly be arranged fixing groove 02 it is vertical Length, and then guarantee that length of the split pin after cutting is unified and standard.Cut on because 2 cut under be provided on 3 haircut it is several A plug-in opening 01 is sold and is provided with quantity several fixing grooves 02 equal with the quantity of plug-in opening 01 on the outer wall of cylinder 1, therefore can Once carry out the shearing of more split pins, while the pin section after cutting is there are also being partially plugged in the plug-in opening 01 for cutting 2, therefore The pin section of fracture will not splashes, avoid while the shear efficiency for substantially increasing split pin fracture pin section and leave Problem.After shearing, 2 are cut in release, are above cut 2 and are returned to original position under the rebound effect of elastic mechanism 4, make plug-in opening 01 again Alignment, is sheared convenient for split pin next time；Simultaneously in order to mitigate the weight entirely sold and cut, it is convenient for the more flexible side of operator Just it is cut using pin, columned hollow out is offered at the center of pin cylinder 1.It is split up and down due to above cutting 2 to cut 3 under, and On cut 2 be frequent activities component, above cut 2 and under cut and can frequently rub between 3, while on cut 2 and need shear openings pin, shear When can generate heat, therefore select in the material preparation of W18Cr4V cut 2 and under cut 3, make to cut 2 cut under 3 have high rigidity, High-wearing feature and high-fire resistance；In order to extend the use time of pin cylinder 1, pin cylinder 1 is prepared using 304 stainless steel materials.

Embodiment 2:

The present embodiment advanced optimizes on the basis of embodiment 1, as shown in figure 3, the elastic mechanism 4 includes corresponding to 3 sleeve 42 cut on the inside of handle is cut under being arranged in and 2 compression leg 41 cut on the inside of handle is cut on being arranged in；It is set inside the sleeve 42 It is equipped with spring, and sleeve 42 is open end close to one end of compression leg 41；One end of the compression leg 41 is consolidated with the handle inside of cutting for above cutting 2 Fixed connection, the other end of the compression leg 41 are connect with 42 internal slide of sleeve, and the free end of compression leg 41 passes through spring and sleeve 42 bottom connection.

On cut 2 handle of cutting and connect with one end of compression leg 41, the other end of compression leg 41 inserts inside the open end of sleeve 42, The closed end of sleeve 42 cut under 3 cut handle connect connection and sleeve 42 inside be built-in with spring.When shearing with carrying out split pin, 2 are cut in pressing, drives compression leg 41 to 42 internal motion of sleeve when above cutting 2 rotation, and compression leg 41 squeezes spring at this time, makes spring pressure Contracting, above cuts 2 pairs of split pins and shears；After shearing, 2 are cut in release, spring loses compressing rebound at this time, and compression leg 41 is in bullet 2, which are cut, on driving under the rebound effect of spring returns to original position.By the inside that spring is built in sleeve 42 be in order to preferably protect spring, Extend the time that uses of spring, while sleeve 42 can provide guiding role to a certain extent for compression leg 41, avoid because of behaviour Make in personnel's pressing to cause compression leg 41 to misplace because strength is excessive or power thrusts problem and damage spring when cutting 2.

The other parts of the present embodiment are same as Example 1, and so it will not be repeated.

Embodiment 3:

The present embodiment advanced optimizes on the basis of above-described embodiment 1 or 2, as shown in figure 4, the fixing groove 02 For slot diameter not less than the aperture of the plug-in opening 01 of 02 top of fixing groove, the lower part of fixing groove 02 is additionally provided with the bigger sinker area of slot diameter 03；The fixing groove 02 is accordingly arranged in the length of vertical direction according to the different required length of split pin；The inserting The aperture in hole 01 is accordingly arranged according to the diameter of the split pin of different size.

For the full-length that unified split pin insurance needs, by worker's test of many times, for split pin A class insurer The split pin practical length of various specifications is tested and has been arranged under method, takes common five kinds of regular sizes, as shown in Table 1.

Table 1

The slot diameter of fixing groove 02 should be equal to or slightly greater than the diameter of plug-in opening 01, just in the case where guaranteeing locating effect It is inserted in plug-in opening 01 from bottom to up in split pin from from fixing groove 02；Slot diameter is additionally provided in the bottom of fixing groove 02 simultaneously Bigger sinker area 03 is also for being put into and fixing convenient for split pin.The length of the vertical direction of fixing groove 02 is according to difference The length that the split pin of specification needs in actual use is accordingly arranged, the reimbursemen specification system of the split pin after ensure that shearing One.The aperture of plug-in opening 01 is accordingly arranged according to the actual diameter of the split pin of different size, in order to which practical operation is convenient, The aperture of plug-in opening 01 should be equal or slightly larger than the diameter of split pin, convenient for the inserting of split pin；But the aperture of plug-in opening 01 Also it should not be too large, if the diameter great disparity of the aperture of plug-in opening 01 and split pin is larger, will lead to split pin and insert into bundle dress hole It is not vertical state when in 01, it may occur however that inclination, to influence the length of the split pin after shearing.

The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.

The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within Within the protection scope of the utility model.

Claims (5)

1. a kind of pin of fast quantification shear openings pin is cut, including be set on shaft (6) and up and down split on cut (2) and under Cut (3), which is characterized in that cut (3) under described and connect with shaft (6) by connecting key (5), it is described on cut (2) and under cut (3) It is correspondingly arranged on the plug-in opening (01) that circumferentially perforation offers several coaxial arrangements on haircut, above cuts cutting for (2) Handle is connect by the handle of cutting that elastic mechanism (4) cut (3) under；The shaft (6) downwards sequentially pass through cut (2) and under cut (3) And it is connected with columned pin cylinder (1), the lower position on the outer wall of the pin cylinder (1) positioned at the plug-in opening (01) is opened respectively Fixing groove (02) equipped with vertical direction, split pin sequentially pass through from top to bottom cut (2) and under cut inserting on the haircut of (3) Fixing groove (02) is simultaneously protruded into hole (01).

2. a kind of pin of fast quantification shear openings pin according to claim 1 is cut, which is characterized in that the elastic mechanism It (4) include being correspondingly arranged at down the sleeve (42) cut on the inside of handle for cutting (3) and being arranged in the upper compression leg cut on the inside of handle for cutting (2) (41)；The sleeve (42) is internally provided with spring, and sleeve (42) is open end close to the one end of compression leg (41)；The compression leg (41) one end is fixedly connected on the inside of handle with cutting for (2) is above cut, the other end and sleeve (42) internal slide of the compression leg (41) Connection, and the free end of compression leg (41) is connect by spring with the bottom of sleeve (42).

3. a kind of pin of fast quantification shear openings pin according to claim 1 or 2 is cut, which is characterized in that the fixation Not less than the aperture of the plug-in opening (01) above fixing groove (02), the lower part of fixing groove (02) is additionally provided with down the slot diameter of slot (02) Heavy area (03), the slot diameter of the sinker area (03) are greater than the slot diameter of fixing groove (02).

4. a kind of pin of fast quantification shear openings pin according to claim 1 is cut, which is characterized in that the pin cylinder (1) Centered on offer the tubular structure of cylindric hollow out.

5. a kind of pin of fast quantification shear openings pin according to claim 1 is cut, which is characterized in that cut (2) on described Cutting for (3) is cut under is provided with anti-skid design on the outside of handle.