CN103939442A - Lock pin and connecting mechanism - Google Patents
Lock pin and connecting mechanism Download PDFInfo
- Publication number
- CN103939442A CN103939442A CN201410199375.5A CN201410199375A CN103939442A CN 103939442 A CN103939442 A CN 103939442A CN 201410199375 A CN201410199375 A CN 201410199375A CN 103939442 A CN103939442 A CN 103939442A
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- lock
- lock pin
- pin
- section
- insertion part
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention discloses a lock pin which comprises an inserting portion (31) and locking portions. The locking portions comprise the first locking portion and the second locking portion connected with the first locking portion. One end of the first locking portion is connected with the inserting portion (31) and the other end of the first locking portion extends to the inserting end of the inserting portion (31) and located at the side of the inserting end. A hinge pin end containing space is formed between the first locking portion and the second locking portion. Even though the lock pin is detached and installed multiple times, an expansion gap is generated between the locking portions and the inserting portion, bounces of relevant components can not exert external force on the locking portions. Thus, the expansion gap between the locking portions and the inserting portion is not prone to enlargement caused by the bounces of the relevant components, so that reliability of the lock pin in work is higher. The invention further discloses a connecting mechanism with the lock pin.
Description
Technical field
The present invention relates to connected element technical field, relate in particular to a kind of lock pin.The invention still further relates to a kind of bindiny mechanism.
Background technique
Parts as a kind of keying structure, lock pin is used in conjunction with conventionally together with bearing pin, its function is mainly to connect two parts (or parts), prevent that bearing pin is in use moved or comes off, and then prevent two parts (or parts) Joint failure of being connected, so the locking reliability of lock pin is even more important.
As shown in Figure 1, a kind of typical lock pin comprises insertion part 11 and the lock part 12 being connected with insertion part 11, insertion part 11 is for inserting in the pin-and-hole on bearing pin 13, lock part 12 contacts with the outer surface of bearing pin 13 along with the motion of insertion part 11, under the effect of bearing pin 13, lock part 12 opens with respect to insertion part 11, further motion along with insertion part 11, the circular arc portion at lock part 12 middle parts is by the surface laminating with bearing pin 13, whole lock part 12 is with respect to insertion part 11 closures, and the circular arc portion on lock part 12 is realized the location between whole lock pin and bearing pin 13.
Above-mentioned lock pin relies on the pretightening force between insertion part 11 and lock part 12 to clamp bearing pin 13, when this lock pin is after being dismounted for multiple times, can there is decline to a certain degree in the pretightening force between insertion part 11 and lock part 12, the decline along with pretightening force between insertion part 11 and lock part 12 there will be gap.Now the movable or vibration of associated components, will apply external force to lock part 12, easily cause lock pin to come off from bearing pin 13.Visible, the functional reliability of above-mentioned lock pin is lower.
In sum, how to solve lower this problem of functional reliability of lock pin, become those skilled in the art's technical barrier urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of lock pin, the functional reliability of this lock pin is higher.Another object of the present invention is to provide a kind of bindiny mechanism that comprises above-mentioned lock pin.
To achieve these goals, the invention provides following technological scheme:
A kind of lock pin, comprise insertion part and lock part, described lock part comprises the first lock part and the second lock part being connected with described the first lock part, one end of described the first lock part is connected with described insertion part, the other end extends to the insertion end of described insertion part and is positioned at the side of described insertion end, between described the first lock part and described the second lock part, forms bearing pin end containing space.
Preferably, in above-mentioned lock pin, described the first lock part comprise the arc reset section being connected with described insertion part and be connected in described arc reset section and described the second lock part between locking section, between described locking section and described the second lock part, form described bearing pin end containing space.
Preferably, in above-mentioned lock pin, the two ends line of described arc reset section extends along lock pin dismounting direction, and described lock pin dismounting direction is pointed to end part of pin shaft place one side of described bearing pin containing space from described insertion part.
Preferably, in above-mentioned lock pin, the one end being connected with described locking section in described arc reset section is positioned at the residing side of described bearing pin end containing space.
Preferably, in above-mentioned lock pin, described locking section comprises first paragraph and the second segment being connected with described first paragraph, in the projection forming along described lock pin dismounting direction, one end of described first paragraph is connected with described arc reset section, and the other end extends to the direction away from described insertion part.
Preferably, in above-mentioned lock pin,, along described lock pin dismounting direction, extend to the direction near described insertion part the joint of described first paragraph and described second segment.
Preferably, in above-mentioned lock pin, in the projection forming along described lock pin dismounting direction, joint and the described insertion part of described the first lock part and described the second lock part have lap.
Preferably, in above-mentioned lock pin, described the second lock part comprise away from section and with the described withdrawal section being connected away from section, in the projection forming along described lock pin dismounting direction, described one end away from section is connected with described the first lock part, the other end extends to the direction away from described insertion part, and the described free end of regaining section extends to the direction near described insertion part.
Preferably, in above-mentioned lock pin,, along described lock pin dismounting direction, extend to the direction near described insertion part the described joint away from section and described withdrawal section.
A bindiny mechanism, comprise bearing pin and with the lock pin of described bearing pin plug-in mounting, described lock pin is the lock pin described in above-mentioned any one.
In technique scheme, lock pin provided by the invention comprises insertion part and lock part, lock part comprises the first lock part and the second lock part being connected with the first lock part, one end of the first lock part is connected with insertion part, the other end extends to the insertion end of insertion part and is positioned at the side of insertion end, between the first lock part and the second lock part, forms bearing pin containing space.While using this lock pin, insertion part is stretched in the pin-and-hole on bearing pin, and applied active force to lock part, lock part is opened with respect to insertion part; Pin-and-hole is continued to stretch in insertion part, and the end of bearing pin will be stretched in bearing pin end containing space; Remove the external force on lock part, lock part is because replying deformation near insertion part, and now whole lock part can prevent the disengaging of insertion part and bearing pin.
Known by foregoing description, in lock pin provided by the invention, lock part comprises the first lock part and the second lock part, forms bearing pin end containing space between the two, make end part of pin shaft there is certain overhang with respect to lock part, and lock part can surround the end of bearing pin.Even if the above-mentioned lock pin of being dismounted for multiple times, causes producing the amount of opening between lock part and insertion part, collecting together yet of associated components can not apply external force to lock part.Visible, than the content of introducing in background technique, the amount of opening between above-mentioned lock part and insertion part is not easy due to collecting together of associated components further to strengthen, so reliability during this lock pin work is higher.
Because above-mentioned lock pin has above-mentioned technique effect, the bindiny mechanism that comprises this lock pin also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the present invention, for those of ordinary skills, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of traditional lock pin;
The cooperating structure schematic diagram of the lock pin that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the side view of structure shown in Fig. 2;
The structural representation of the lock pin that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is the side view of structure shown in Fig. 4.
Description of reference numerals:
11-insertion part, 12-lock part, 13-bearing pin;
21-bearing pin, 22-first component, 23-second component, 31-insertion part, 32-arc reset section, 33-first paragraph, 34-second segment, 35-is away from section, and 36-regains section.
Embodiment
Core of the present invention is to provide a kind of lock pin, and the functional reliability of this lock pin is higher.Another core of the present invention is to provide a kind of bindiny mechanism that comprises above-mentioned lock pin.
In order to make those skilled in the art understand better technological scheme of the present invention, below in conjunction with accompanying drawing, the present invention is further detailed.
As shown in Figure 2-5, the lock pin that the embodiment of the present invention provides is for connecting bearing pin 21 and being connected part, and this is connected part and can be two parts, is specifically respectively first component 22 and second component 23.Above-mentioned lock pin comprises insertion part 31 and lock part, wherein:
Insertion part 31 is generally a straight-bar, and its one end is free end, and this free end can insert in the pin-and-hole on bearing pin 21;
Lock part is connected with insertion part 31, it departs from the pin-and-hole of bearing pin 21 for preventing insertion part 31, this lock part comprises the first lock part and the second lock part, one end of the first lock part is connected with insertion part 31, the other end extends to the insertion end of insertion part 31 and is positioned at the side of this insertion end, between the first lock part and the second lock part, form bearing pin end containing space, this bearing pin end containing space is for the end of accommodating bearing pin 21.
Above-mentioned the first lock part can be a circular arc lock part, and the center line of this circular arc lock part can be positioned at a plane; The second lock part also can adopt arc structure, and this second lock part and the first lock part can form semi-surrounding structure, and the gear of realizing between lock part and bearing pin with this connects effect.
While using this lock pin, insertion part 31 is stretched in the pin-and-hole on bearing pin 21, and applied active force to lock part, lock part is opened with respect to insertion part 31; Pin-and-hole is continued to stretch in insertion part 31, and the end of bearing pin 21 will be stretched in bearing pin end containing space; Remove the external force on lock part, owing to replying distortion, near insertion part 31, now whole lock part can prevent the disengaging of insertion part 31 and bearing pin 21 to lock part.
Known by foregoing description, in the lock pin that the embodiment of the present invention provides, lock part comprises the first lock part and the second lock part, forms bearing pin end containing space between the two, make end part of pin shaft there is certain overhang with respect to lock part, and lock part can surround the end of bearing pin 21.Even if the above-mentioned lock pin of being dismounted for multiple times, causes producing the amount of opening between lock part and insertion part 31, collecting together yet of associated components can not apply external force to lock part.Visible, than the content of introducing in background technique, the amount of opening between above-mentioned lock part and insertion part 31 is not easy due to collecting together of associated components further to strengthen, so reliability during this lock pin work is higher.
In addition, after the above-mentioned lock pin of being dismounted for multiple times, lock part is visible with respect to the amount of the opening naked eyes of insertion part 31, and approach and finish the working life of observing lock pin as operator, be replaceable lock pin, effectively prevent that lock pin from use causing insertion part 31 and bearing pin 21 to depart from.
Further in technological scheme, above-mentioned the first lock part comprise the arc reset section 32 being connected with insertion part 31 and be connected in arc reset section 32 and the second lock part between locking section, between this locking section and the second lock part, form bearing pin end containing space.Particularly, the center line of arc reset section 32 can be positioned at same plane with the center line of locking section, and the middle part of locking section has the bending section of accommodating bearing pin.Under this scheme, operator can apply active force to locking section, make the stressed rear generation deformation of arc reset section 32, remove after external force, and arc reset section 32 resets.Obviously, adopt arc reset section 32 can increase the elastic-restoring force of whole lock part, repeatedly dismantle after lock pin, lock part can reset to a greater degree, and the functional reliability that guarantees lock pin with this is higher.
In order further to increase the elastic-restoring force of whole lock part, the two ends line of arc reset section 32 can extend along lock pin dismounting direction, bearing pin end place one side of this lock pin dismounting direction 31 sensing bearing pin containing spaces from insertion part, the one end being connected with locking section in arc reset section 32 can be positioned at the inner side (being between second component 23 and insertion part 31) of insertion part 31.When operator apply active force, point of action is positioned on lock part, and the direction of power is pointed to the side of bearing pin containing space by insertion part 31, and this side is specially a side at the place, end of bearing pin 21, under the effect of this active force, lock part opens with respect to insertion part 31.Therefore, arc reset section 32 adopts after above-mentioned set-up mode, and it is subject to will producing larger deformation after operator's externally applied forces, and the elastic-restoring force that this deformation causes increases thereupon.
Further, the one end being connected with locking section in arc reset section 32 can be positioned at the residing side of bearing pin section containing space, i.e. a side of close bearing pin 21 ends.Under this mode, when locking section is opened, arc reset section 32 is opened thereupon, and when locking section resets, arc reset section 32 resets thereupon.Than obtain the scheme of elastic reset power by compression arc reset section 32, the structure of the present embodiment can be in the situation that reaching effect same, and effectively reducing operator needs externally applied forces, and then reduces labor intensity.
When locking section adopts arcuate structure, the area of whole bearing pin end containing space is larger, causes space waste.For this reason, the locking section that the embodiment of the present invention provides comprises first paragraph 33 and the second segment 34 being connected with first paragraph 33, as shown in Figure 4, and in the projection forming along lock pin dismounting direction, one end of first paragraph 33 is connected with arc reset section 32, and the other end extends to the direction away from insertion part 31.After so arranging, can form larger space in the residing position of bearing pin, and reduce formed space in place that need not accommodating bearing pin, thereby alleviate space waste.In order to reduce manufacture cost, above-mentioned first paragraph 33 and second segment 34 can be linear structure.
Preferably, first paragraph 33, extends to the direction near insertion part 31 along lock pin dismounting direction with the joint of second segment 34.That is to say, the one side depression at 31 places to insertion part, the stage casing of locking section, when external force that locking section is subject to extending along lock pin disassembly direction, the non-deformability of locking section is stronger, this also just means that the elastic-restoring force of locking section after stressed will promote by a larger margin, makes the functional reliability of whole lock pin stronger.
In specific implementation process, in the projection forming along lock pin dismounting direction, the joint of the first lock part and the second lock part and insertion part 31 have lap, be that insertion part 31 may extend to the joint of the first lock part and the second lock part or exceeds the first lock part and the joint of the second lock part, while avoiding the length of insertion part 31 too small with this, there is excessive distortion in whole lock part, with this, guarantee the integrity of lock pin under unexpected active force.
More preferably, the second lock part that the embodiment of the present invention provides can further comprise away from section 35 and the withdrawal section 36 that is connected away from section 35 with this, in the projection forming along lock pin dismounting direction, one end away from section 35 is connected with the first lock part, the other end extends to the direction away from insertion part 31, and the free end of regaining section 36 extends to the direction near insertion part 31.This scheme can extend the length of the second lock part, makes the second lock part extend to the end near insertion part 31 as far as possible.Now, even if lock pin is subject to along insertion part the external force that 31 direction extends and occurs that distortion, this distortion are also not easy to cause insertion part 31 and bearing pin 21 to depart from.Particularly, away from section 35 and withdrawal section 36, can be set to straight-bar, with this, alleviate space waste, reduce the processing cost of lock pin simultaneously.
Alternatively, can be along lock pin dismounting direction away from section 35 and the joint of regaining section 36, to the direction near insertion part 31, extend, a so that side depression at 31 places to insertion part, the stage casing of the second lock part, and then the elastic-restoring force of raising lock pin, make the functional reliability of lock pin there is lifting greatly.
The bindiny mechanism that the embodiment of the present invention provides comprise bearing pin 21 and with the lock pin of these bearing pin 21 plug-in mountings, because this lock pin has above-mentioned technique effect, the bindiny mechanism that comprises this lock pin also should have corresponding technique effect, repeats no more herein.
Only by the mode of explanation, some one exemplary embodiment of the present invention has been described above, undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention in the situation that, can to described embodiment, revise by various mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (10)
1. a lock pin, comprise insertion part (31) and lock part, it is characterized in that, described lock part comprises the first lock part and the second lock part being connected with described the first lock part, one end of described the first lock part is connected with described insertion part (31), the other end extends to the insertion end of described insertion part (31) and is positioned at the side of described insertion end, between described the first lock part and described the second lock part, forms bearing pin end containing space.
2. lock pin according to claim 1, it is characterized in that, described the first lock part comprise the arc reset section (32) being connected with described insertion part (31) and be connected in described arc reset section (32) and described the second lock part between locking section, between described locking section and described the second lock part, form described bearing pin end containing space.
3. lock pin according to claim 2, it is characterized in that, the two ends line of described arc reset section (32) extends along lock pin dismounting direction, and described lock pin dismounting direction is pointed to end part of pin shaft place one side of described bearing pin containing space from described insertion part (31).
4. lock pin according to claim 3, is characterized in that, the upper one end being connected with described locking section of described arc reset section (32) is positioned at the residing side of described bearing pin end containing space.
5. lock pin according to claim 3, it is characterized in that, described locking section comprises first paragraph (33) and the second segment (34) being connected with described first paragraph (33), in the projection forming along described lock pin dismounting direction, one end of described first paragraph (33) is connected with described arc reset section (32), and the other end extends to the direction away from described insertion part (31).
6. lock pin according to claim 5, is characterized in that, described first paragraph (33), extends to the direction near described insertion part (31) along described lock pin dismounting direction with the joint of described second segment (34).
7. lock pin according to claim 3, is characterized in that, in the projection forming along described lock pin dismounting direction, the joint of described the first lock part and described the second lock part and described insertion part (31) have lap.
8. according to the lock pin described in any one in claim 3-7, it is characterized in that, described the second lock part comprise away from section (35) and with the described withdrawal section (36) being connected away from section (35), in the projection forming along described lock pin dismounting direction, described one end away from section (35) is connected with described the first lock part, the other end extends to the direction away from described insertion part (31), and the described free end of regaining section (36) extends to the direction near described insertion part (31).
9. lock pin according to claim 8, is characterized in that,, along described lock pin dismounting direction, extend to the direction near described insertion part (31) the described joint away from section (35) and described withdrawal section (36).
10.Yi Zhong bindiny mechanism, comprise bearing pin (21) and with the lock pin of described bearing pin (21) plug-in mounting, it is characterized in that, described lock pin is the lock pin described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199375.5A CN103939442B (en) | 2014-05-12 | 2014-05-12 | Lock pin and bindiny mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199375.5A CN103939442B (en) | 2014-05-12 | 2014-05-12 | Lock pin and bindiny mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939442A true CN103939442A (en) | 2014-07-23 |
| CN103939442B CN103939442B (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410199375.5A Active CN103939442B (en) | 2014-05-12 | 2014-05-12 | Lock pin and bindiny mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103939442B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045627A1 (en) * | 2016-09-09 | 2018-03-15 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and connecting assembly thereof |
| CN109114039A (en) * | 2018-10-31 | 2019-01-01 | 李登海 | Easy-to-mount Lamp with ceiling fan blade installation structure |
| CN111664168A (en) * | 2020-06-05 | 2020-09-15 | 中国航发沈阳发动机研究所 | Pin shaft locking structure |
| CN115189272A (en) * | 2022-06-15 | 2022-10-14 | 国网宁夏电力有限公司吴忠供电公司 | Tool for visually and electrically supplementing closed pin for 110kV power transmission line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR487623A (en) * | 1917-08-14 | 1918-07-17 | Leon Pelloux | Pin |
| US4592689A (en) * | 1984-05-25 | 1986-06-03 | Leitzke Rue S | Ring spring cotter |
| US5217338A (en) * | 1991-12-06 | 1993-06-08 | Kickhaefer Manufacturing Company | Twist type locking pin |
| US6135693A (en) * | 1999-03-23 | 2000-10-24 | Pivot Point, Inc. | Bow tie locking cotter |
| US20030012621A1 (en) * | 2001-07-10 | 2003-01-16 | James Fletcher | Cotter clip |
| CN201794877U (en) * | 2010-08-19 | 2011-04-13 | 宝山钢铁股份有限公司 | Elastic self-lock pin |
-
2014
- 2014-05-12 CN CN201410199375.5A patent/CN103939442B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR487623A (en) * | 1917-08-14 | 1918-07-17 | Leon Pelloux | Pin |
| US4592689A (en) * | 1984-05-25 | 1986-06-03 | Leitzke Rue S | Ring spring cotter |
| US5217338A (en) * | 1991-12-06 | 1993-06-08 | Kickhaefer Manufacturing Company | Twist type locking pin |
| US6135693A (en) * | 1999-03-23 | 2000-10-24 | Pivot Point, Inc. | Bow tie locking cotter |
| US20030012621A1 (en) * | 2001-07-10 | 2003-01-16 | James Fletcher | Cotter clip |
| CN201794877U (en) * | 2010-08-19 | 2011-04-13 | 宝山钢铁股份有限公司 | Elastic self-lock pin |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045627A1 (en) * | 2016-09-09 | 2018-03-15 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and connecting assembly thereof |
| CN109114039A (en) * | 2018-10-31 | 2019-01-01 | 李登海 | Easy-to-mount Lamp with ceiling fan blade installation structure |
| CN111664168A (en) * | 2020-06-05 | 2020-09-15 | 中国航发沈阳发动机研究所 | Pin shaft locking structure |
| CN115189272A (en) * | 2022-06-15 | 2022-10-14 | 国网宁夏电力有限公司吴忠供电公司 | Tool for visually and electrically supplementing closed pin for 110kV power transmission line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939442B (en) | 2015-12-30 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |