CN201836177U - Pin component - Google Patents
Pin component Download PDFInfo
- Publication number
- CN201836177U CN201836177U CN2010205566662U CN201020556666U CN201836177U CN 201836177 U CN201836177 U CN 201836177U CN 2010205566662 U CN2010205566662 U CN 2010205566662U CN 201020556666 U CN201020556666 U CN 201020556666U CN 201836177 U CN201836177 U CN 201836177U
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- CN
- China
- Prior art keywords
- bearing pin
- described bearing
- cap
- pin
- anticreep
- 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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Abstract
The utility model provides a pin component, which effectively solves problems that pin components in the prior art are easy to be damaged and fall off, can cause potential safety hazards and the like. The pin component comprises a pin body and a pin cap assembled at the end of the pin body. The technical scheme includes that at least one catching check plate is axially arranged on the cylindrical wall on one side of the brim of the pin cap, the pin cap is assembled to the end of the pin body by means of inserting the catching check plates into corresponding clamping slots at the end of the pin body, and accordingly the pin body is limited axially. The pin component is compact in structure, low in manufacturing cost, simple in operation, convenient in installation and safe and reliable in use, can realize anti-separation effect, has adjustable dismantling torque, can be attachable or non-attachable, expands application range further, is easy to be detached when in maintenance and can be reused, thereby increasing working efficiency and saving materials.
Description
Technical field
The utility model relates to a kind of link that is used to connect mechanical device activity component, and particularly a kind of dismounting is quick, prevent to come off or prevent the Assembly of pin of mistake dismounting.It is applicable to the various components of machine that utilize bearing pin to connect.
Background technique
As everyone knows, it is various heavy mechanical equipments that bearing pin connects, and large transport airplane tool particularly is as the connecting mode a kind of commonly used of movable component such as rail vehicles.Because the main stressed member that bearing pin connects is the bearing pin body, and the bearing pin body mainly to be subjected to force direction be radial shear power and radial surface extruding force, so bearing pin generally is not subjected to axial force; Have the bearing pin body that keeps off platform in order to prevent the bearing pin axon to moving, generally to adopt; In order to prevent that bearing pin from installing the back to retaining platform direction play, generally the insertion end at bearing pin is provided with radial direction through hole or draw-in groove, after bearing pin is installed, after this end is inserted in circular washer, utilizes cotter pin to insert in the radial direction through hole locking or insert draw-in groove with V shape opening jump ring and lock.
Mainly there is following defective in above-mentioned lock clasp mode; One, cotter pin when locking opening end to carry out bending, curl, operation is difficulty relatively, time-consuming, effort is crooked, curling is difficult to reach standard-required particularly in the narrow occasion of the device space, comes off to bearing pin and has buried hidden danger; Its two be exposed to the outside fully because the bending of cotter pin, crimp end or V shape opening jump ring insert the draw-in groove end, very easily scraped, bump by external force, bearing pin is come off; Its three, the combination of cotter pin and circular washer is that a kind of instability, big gap connect combination, very easily damages with the vibration equipment bearing pin to come off; Its four, cotter pin or opening jump ring are easy to be extracted by artificial mistake, bearing pin is easily lost.Therefore, there is serious potential safety hazard in coupled component.Particularly the component that connected by bearing pin of railway freight-car are lost in case bearing pin takes place, and will cause great driving accident.When equipment is in when unattended for a long time, the bearing pin coupling just need have anticreep, prevent the function of mistake dismounting, and cotter pin or opening jump ring are limit by structure, can't realize this function.For this reason, often take extremely method on the bearing pin body is welded in cotter pin or circular washer, to guarantee that bearing pin does not come off, do not lose; Obviously, this method is not only time-consuming, effort, take material, and in the future maintenance of equipment, normally dismantle and cause difficulty, bearing pin can't be reused; In addition, implement welding, gas cutting repeatedly on the coupling of the equipment that moves, very easily make heat affected zone steel deliquescing, simultaneously, the metal oxide layer of heat affected zone is corrosion very easily in advance also.
The inventor is once in order to address these problems, proposing notification number is CN2714875A " bearing pin protection anti-theft cutting ferrule ", this cutting ferrule is the bearing pin body not to be had annulus boss end process the annulus groove, process a cutting ferrule in addition, at cutting ferrule endoporus middle part, process the annulus draw-in groove, two corrugated jump rings are placed draw-in groove; When cutting ferrule and bearing pin were installed, two corrugated jump rings according to the elastic force effect, placed bearing pin body annulus groove and the formed torus space of cutting ferrule annulus draw-in groove, and cutting ferrule and bearing pin can not be moved axially between the two; This cutting ferrule can be realized the fast-assembling bearing pin, can prevent that again bearing pin from coming off; But still exist some that defective to be overcome is arranged: at first be that cutting ferrule is made up of three parts, part is many, and processing cost is higher; Next is the dismounting difficulty, and time-consuming, effort needs to be equipped with special tool again; Cutting ferrule does not protect the bearing pin end besides, and under user mode, firmly the impacting pin shaft end can be realized the improper dismounting of bearing pin.
A kind of bearing pin is disclosed in CN201428680Y " antitheft bearing pin ", this bearing pin does not have the boss insertion end at the bearing pin body equally, process the annulus groove, in bearing pin cap inner groovy, put into the open circles snap ring, when the bearing pin cap is installed, the open circles snap ring blocks bearing pin body annulus groove, makes it and can not come off, for the guard pins shaft end, in open circles snap ring outer end, bearing pin cap endoporus, be provided with elastic sleeve, be provided with end cap in bearing pin cap end; This device can be realized the fast-assembling bearing pin, can prevent that bearing pin from coming off, and under the protection of end cap and elastic sleeve, during external force collision bearing pin cap end cap, this impact force can be delivered on the bearing pin coupling simultaneously, the bearing pin bump can not be come off; But there is following defective in this structure: the one,, the bearing pin cap is made up of four parts, and complexity, high material consumption, manufacture cost height are made, assembled to easy break-down; The 2nd,, after the installation, can not realize dismounting, can not use in the occasion of needs dismounting; The 3rd, because structure needs, bearing pin cap axial dimension is long, not only makes the bearing pin axon exceed standard code to size, and makes the Assembly of pin after the installation, total axial installation dimension standard code head and shoulders above.
The model utility content
The purpose of this utility model provides a kind of Assembly of pin, it efficiently solves that prior art exists fragilely comes off, can take place problem such as potential safety hazard, its compact structure, low cost of manufacture, simple to operate, easy for installation, safe and reliable, not only can realize Drop-proof, dismounting force moment can be regulated, and can realize detachable, non-dismountable two kinds of functions, and further widened application area, dismantle easily when reaching maintenance, can reuse, improve the purpose of operating efficiency and economical with materials.
The technological scheme that the utility model adopted is: this Assembly of pin comprises the bearing pin body and is assembled in the bearing pin cap of bearing pin end of body, its technological points is: on the barrel of shade one side of described bearing pin cap, at least one anticreep check sheet axially is set, and utilize described anticreep check sheet to snap in the corresponding draw-in groove of described bearing pin end of body, described bearing pin cap is assembled in described bearing pin end of body, makes described bearing pin axon to spacing.
The anticreep check sheet of the axial setting on the described bearing pin cap barrel adopts invagination and makes connecting end and tunnel wall type is integral the formula structure, and its invagination anticreep check plate shape is the combination of lineal shape, circular arc, curvilinerar figure, broken line shape or its geometrical shape.
Described bearing pin body one end has the retaining platform, and the other end utilizes described bearing pin cap to be assembled in described bearing pin end of body, makes described bearing pin axon to spacing.
Described bearing pin body two ends utilize described bearing pin cap to be assembled in described bearing pin end of body respectively, make described bearing pin axon to spacing.
The axial cross section that described bearing pin end of body snaps in the corresponding draw-in groove of described bearing pin cap anticreep check sheet is shaped as the plane and combines with the plane, or the plane combines with the inclined-plane, or curved surface combines with other geometrical shape.
The corresponding draw-in groove cross section bottom shape that described bearing pin end of body snaps in described bearing pin cap anticreep check sheet is plane or curved surface.
It is blind hole or through hole that described bearing pin end of body snaps in the corresponding draw-in groove of described bearing pin cap anticreep check sheet.
Be inserted in a protective sleeve in described bearing pin cap periphery.
Advantage and the good effect that the utlity model has are: owing on the barrel of shade one side of bearing pin cap of the present utility model anticreep check sheet is set axially, and utilize in its corresponding draw-in groove that snaps in the bearing pin end of body, the bearing pin cap is assembled in the bearing pin end of body, make the bearing pin axon to spacing, so the bearing pin cap is made one-piece parts, make the bearing pin coupling assembly reduce to 2 parts, compare with existing like product, efficiently solve fragile the coming off that prior art exists, problems such as potential safety hazard can take place, it has compact structure, low cost of manufacture, simple to operate, easy for installation, advantage such as safe and reliable.In addition by changing bearing pin body draw-in groove bottom shape, bearing pin cap anticreep check plate shape, not only can realize Drop-proof, dismounting force moment can be regulated, and can realize detachable, non-dismountable two kinds of functions, further widened application area, dismantle easily when reaching maintenance, can reuse, improve the purpose of operating efficiency and economical with materials.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the user mode schematic representation of a kind of I type structure of the present utility model.
Fig. 2 is the user mode schematic representation of a kind of II type structure of the present utility model.
Fig. 3 is several concrete structure schematic representation of the axial cross section shape of the bearing pin end of body draw-in groove among Fig. 1 or Fig. 2.
Fig. 4 is several concrete structure schematic representation of the cross section bottom shape of the bearing pin end of body draw-in groove among Fig. 1 or Fig. 2.
Fig. 5 is the schematic representation of several concrete structures of the invagination anticreep check plate shape of the bearing pin cap among Fig. 1 or Fig. 2.
Sequence number explanation among the figure: 1 bearing pin body, 1-1 retaining platform, 1-2 draw-in groove, 2 bearing pin caps, 2-1 shade, 2-2 anticreep check sheet, 3 couplings, 4 couplings.
Embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1～2.This Assembly of pin comprises that the end has the bearing pin body 1 and the bearing pin cap 2 that has anticreep check sheet 2-2 that is assembled in the bearing pin end of body of draw-in groove 1-2.On the barrel of the shade 2-1 of bearing pin cap 2 side, at least one anticreep check sheet 2-2 is set axially.Bearing pin cap 2 inner hole sleeves are contained in the axle head of bearing pin body 1 periphery, and the anticreep check sheet 2--2 of bearing pin cap 2 is snapped among the bearing pin body 1 end draw-in groove 1-2 fully.Utilize anticreep check sheet 2-2 to snap in the corresponding draw-in groove 1-2 of bearing pin body 1 end, bearing pin cap 2 is assembled in bearing pin body 1 end, make bearing pin body 1 axial limiting, prevent to come off.
The anticreep check sheet 2-2 of the axial setting on bearing pin cap 2 barrels adopts invagination and makes connecting end and tunnel wall type is integral the formula structure, and present embodiment is made the anticreep check sheet 2-2 of axial setting on bearing pin cap 2 barrels with the processing mode of punching press.The shape of its invagination anticreep check sheet 2-2, can be according to actual needs and may, adopt lineal shape, or adopt circular arc, also can adopt the combination of curvilinerar figure, broken line shape or its geometrical shape.
Bearing pin body 1 can be made I type structure (as shown in Figure 1) or II type structure (as Fig. 2) as required.Wherein an end of the bearing pin body 1 of I type structure has retaining platform 1-1, and the other end utilizes bearing pin cap 2 to be assembled in the end of bearing pin body 1, and bearing pin body 1 is carried out axial limiting, prevents to come off.Bearing pin body 1 can be made II type structure as required, and the two ends of bearing pin body 1 utilize bearing pin cap 2 to be assembled in the end of bearing pin body 1 respectively, and bearing pin body 1 is carried out axial limiting, prevent to come off.
The end of bearing pin body 1 snaps in specification, the shape of corresponding draw-in groove 1-2 of the anticreep check sheet 2-2 of bearing pin cap 2 and can select as required, its axial cross section shape can adopt the plane to combine with the plane, or the plane combines with the inclined-plane, or curved surface combines with other geometrical shape.The corresponding draw-in groove cross section bottom shape that the end of bearing pin body 1 snaps in the anticreep check sheet 2-2 of bearing pin cap 2 can also adopt plane or curved surface.The end of bearing pin body 1 snaps in the corresponding draw-in groove 1-2 of bearing pin cap 2 anticreep check sheet 2-2 can adopt blind hole or through hole.When only needing to prevent the mistake disassembling function,, also bearing pin body 1 end draw-in groove 1-2 can be designed to the annular slot of different section shapes for the ease of processing.Can also be inserted in a protective sleeve in bearing pin cap 2 peripheries, to prevent that rainwater, dirt from by the anticreep check film perforation 2-2 on the bearing pin cap 2, entering the end of bearing pin body 1.
During installation, at first bearing pin body 1 is penetrated in the pin shaft hole of coupling 3,4, then, with bearing pin cap 2 anticreep check sheet 2--2 corresponding one by one with bearing pin 1 end draw-in groove 1-2 (when bearing pin 1 end draw-in groove 1-2 was processed into ring-type, a correspondence can differ), be buckled in bearing pin body 1 end, firmly one clap (or blow), when hear " clickly " during a sound, illustrate that bearing pin cap 1 anticreep check sheet 2-2 has entered among the bearing pin body 1 end draw-in groove 1-2, finishes assembling.At this moment, bearing pin cap 2 can not come off under anticreep check sheet 2-2 and the 1 end draw-in groove 1--2 effect of bearing pin body.When needs release pin axis body 1, bearing pin cap 2 is rotated an angle relative to bearing pin body 1, make anticreep check sheet 2-2 leave draw-in groove 1-2, make bearing pin cap 2 lose the axial restraint ability, can unload smoothly.Bearing pin body 1 end draw-in groove 1-2 bottom shape difference, the moment difference of being rotated during release pin axle cap 2; When bearing pin body 1 end draw-in groove 1-2 bottom shape is designed to the less curve of radius, radial direction through hole or blind hole (as shown in Figure 4), anticreep check sheet 2--2 on the bearing pin cap 2 will be stuck, can not rotate along bearing pin body 1, at this moment, this structure becomes non-dismountable state; When bearing pin body 1 end draw-in groove 1-2 was designed to the ring-type draw-in groove, at this moment, the anticreep check sheet 2-2 on the bearing pin cap 2 was all the time in draw-in groove 1-2 inside, bearing pin body 1 end, so, can only rotate, can not move axially, become non-dismountable state.
Claims (8)
1. Assembly of pin, comprise bearing pin body and the bearing pin cap that is assembled in the bearing pin end of body, it is characterized in that: on the barrel of shade one side of described bearing pin cap, at least one anticreep check sheet axially is set, and utilize described anticreep check sheet to snap in the corresponding draw-in groove of described bearing pin end of body, described bearing pin cap is assembled in described bearing pin end of body, makes described bearing pin axon to spacing.
2. Assembly of pin according to claim 1, it is characterized in that: the anticreep check sheet of the axial setting on the described bearing pin cap barrel adopts invagination and makes connecting end and tunnel wall type is integral the formula structure, and its invagination anticreep check plate shape is lineal shape, circular arc, curvilinerar figure, broken line shape.
3. Assembly of pin according to claim 1 is characterized in that: described bearing pin body one end has the retaining platform, and the other end utilizes described bearing pin cap to be assembled in described bearing pin end of body, makes described bearing pin axon to spacing.
4. Assembly of pin according to claim 1 is characterized in that: described bearing pin body two ends utilize described bearing pin cap to be assembled in described bearing pin end of body respectively, make described bearing pin axon to spacing.
5. Assembly of pin according to claim 1 is characterized in that: the axial cross section that described bearing pin end of body snaps in the corresponding draw-in groove of described bearing pin cap anticreep check sheet is shaped as the plane and combines with the plane, or the plane combines with the inclined-plane, or curved surface.
6. Assembly of pin according to claim 1 is characterized in that: the corresponding draw-in groove cross section bottom shape that described bearing pin end of body snaps in described bearing pin cap anticreep check sheet is plane or curved surface.
7. Assembly of pin according to claim 1 is characterized in that: it is blind hole or through hole that described bearing pin end of body snaps in the corresponding draw-in groove of described bearing pin cap anticreep check sheet.
8. Assembly of pin according to claim 1 is characterized in that: be inserted in a protective sleeve in described bearing pin cap periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205566662U CN201836177U (en) | 2010-10-12 | 2010-10-12 | Pin component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205566662U CN201836177U (en) | 2010-10-12 | 2010-10-12 | Pin component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201836177U true CN201836177U (en) | 2011-05-18 |
Family
ID=44006282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205566662U Expired - Fee Related CN201836177U (en) | 2010-10-12 | 2010-10-12 | Pin component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201836177U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975211A (en) * | 2010-10-12 | 2011-02-16 | 魏民 | Pin shaft assembly |
| CN102677647A (en) * | 2012-04-23 | 2012-09-19 | 泰安路德工程材料有限公司 | High-strength geocell |
| CN104196852A (en) * | 2014-09-17 | 2014-12-10 | 平湖市当湖街道飞天人机械图文设计服务部 | Automotive body connecting pin and heat treatment process thereof |
| CN107420402A (en) * | 2017-08-21 | 2017-12-01 | 长沙明道信息科技有限公司 | Detachable latch |
| CN109533063A (en) * | 2019-01-21 | 2019-03-29 | 湖南千智机器人科技发展有限公司 | A kind of track section pin shaft fixed structure and crawler belt |
| CN111301137A (en) * | 2020-03-26 | 2020-06-19 | 北京金茂绿建科技有限公司 | Collision protection positioning structure |
| CN111558429A (en) * | 2020-05-28 | 2020-08-21 | 康志平 | Mine stone crushing equipment |
| CN111927856A (en) * | 2019-05-13 | 2020-11-13 | 青岛海尔洗衣机有限公司 | Fixing bolt, combination of fixing bolt and base body and method for fixing bolt and base body |
-
2010
- 2010-10-12 CN CN2010205566662U patent/CN201836177U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975211A (en) * | 2010-10-12 | 2011-02-16 | 魏民 | Pin shaft assembly |
| CN102677647A (en) * | 2012-04-23 | 2012-09-19 | 泰安路德工程材料有限公司 | High-strength geocell |
| CN104196852A (en) * | 2014-09-17 | 2014-12-10 | 平湖市当湖街道飞天人机械图文设计服务部 | Automotive body connecting pin and heat treatment process thereof |
| CN107420402A (en) * | 2017-08-21 | 2017-12-01 | 长沙明道信息科技有限公司 | Detachable latch |
| CN109533063A (en) * | 2019-01-21 | 2019-03-29 | 湖南千智机器人科技发展有限公司 | A kind of track section pin shaft fixed structure and crawler belt |
| CN111927856A (en) * | 2019-05-13 | 2020-11-13 | 青岛海尔洗衣机有限公司 | Fixing bolt, combination of fixing bolt and base body and method for fixing bolt and base body |
| CN111301137A (en) * | 2020-03-26 | 2020-06-19 | 北京金茂绿建科技有限公司 | Collision protection positioning structure |
| CN111558429A (en) * | 2020-05-28 | 2020-08-21 | 康志平 | Mine stone crushing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20121012 |