CN106321588A - Lock pin - Google Patents
Lock pin Download PDFInfo
- Publication number
- CN106321588A CN106321588A CN201610886073.4A CN201610886073A CN106321588A CN 106321588 A CN106321588 A CN 106321588A CN 201610886073 A CN201610886073 A CN 201610886073A CN 106321588 A CN106321588 A CN 106321588A
- Authority
- CN
- China
- Prior art keywords
- pin
- locking
- base block
- block
- hole
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/10—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device by a separate operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a lock pin. The lock pin comprises a base block and a pin bolt; the base block is divided into an upper portion and a lower portion, the lower portion is provided with an external thread, the base block is provided with a through hole, and the through hole penetrates the base block in the direction from the upper portion to the lower portion; the pin bolt is provided with a lock portion and a connecting portion, the pin bolt is movably sleeved with the through hole, the pin bolt moves to the second position from the first position according to the moving path, and the connecting portion is exposed out of the upper portion; according to the first position, the lock portion is hidden in the through hole, and according to the second position, the lock portion is exposed out of the lower portion; the work state of the lock pin is stable, and no matter whether the lock pin is in the locking state or the unlocking state, the lock pin is not likely to fail due to vibration or scratching; the lower portion of the base block can be fixed to an object through the thread and is not likely to fall off, the lock pin is kept locking under the effect of the elastic structure, under the effect of a clamping groove and a clamping block, changing of the locking state and the unlocking state is achieved, and when unlocking is achieved, the state cannot be changed by reasons of vibration and the like.
Description
Technical Field
The invention relates to mechanical parts, in particular to a locking pin.
Background
The locking pin mechanism currently used is illustrated in fig. 1 and comprises a pin 1 'and a ring 2' for coupling the pin, the locking pin being inserted in the holes of two objects, respectively called first part a and second part B, to limit their movement, requiring the removal, extraction of the locking pin.
The locking pin is complex in operation, the position of the device needs to be manually controlled, the locking pin is inserted after being aligned, and the pin is difficult to pull out if the hole position is dislocated during pulling out; the self-locking function cannot be realized, and the lock-up function cannot be realized due to the possibility of popping up under the conditions of jolt, vibration and the like; the nail is attached to production equipment, so that the appearance is not beautiful and concise, and the nails are drawn out due to the scratch easily caused when people or vehicle equipment and the like pass.
Disclosure of Invention
The invention aims to provide a locking pin, which solves the problems in the prior art, realizes two states of locking and unlocking, has stable working state and is not easy to lose effectiveness due to vibration or scratch.
The present invention provides a lock pin, including: a base block, a pin, wherein the base block is divided into an upper portion and a lower portion, the lower portion has an external thread, and the base block has a through hole penetrating the base block in a direction from the upper portion to the lower portion; the pin is provided with a locking part and a connecting part, the pin is movably sleeved in the through hole, the moving path of the pin is from a first position to a second position, and the connecting part is exposed from the upper part; wherein the first position is where the lock portion is hidden in the through hole, and the second position is where the lock portion is exposed from the lower portion.
The locking pin as described above, wherein an elastic structure is provided between the pin and the base block, the elastic structure providing an elastic restoring force having a tendency to place the pin in the second position.
The locking pin comprises a pin body, a through hole is formed in the pin body, a first protruding structure is arranged in the through hole, a second protruding structure is arranged in the through hole, and the elastic structure is arranged between the first protruding structure and the second protruding structure.
The locking pin comprises a pin body, a locking pin body and a locking pin, wherein the locking pin body is provided with a locking hole, and the locking pin body is provided with a locking hole.
The locking pin comprises a pin body, wherein the pin body is provided with a first limiting structure, a through hole is formed in the pin body, a second limiting structure is arranged in the through hole, and the first limiting structure is matched with the second limiting structure to limit the second position to be a limit position of the pin body moving to the lower portion of the base block.
In the above-described lock pin, an engagement groove is formed in the upper portion of the base block, a first engagement block is formed in the connecting portion of the pin, the pin is located at the second position when the first engagement block enters the engagement groove, and the pin is located at the first position when the first engagement block is disengaged from the engagement groove.
The locking pin further comprises a top cover, wherein the top cover is connected with the connecting part and is provided with a second clamping block; the upper portion of the base block is formed with a snap groove, when the second snap block enters the snap groove, the pin is in the second position, and when the second snap block is disengaged from the snap groove, the pin is in the first position.
In the above-described lock pin, the engagement groove is formed in the upper portion, and a depth direction of the engagement groove faces the lower portion.
In the above-described lock pin, the engaging groove is a blind hole formed in the upper portion, and the second engaging piece is a protrusion extending in the lower portion direction.
The locking pin as described above, wherein the top cover is screwed to the connecting portion.
The locking pin is stable in working state, and is not easy to lose effectiveness due to vibration or rubbing no matter in a locking state or a locking releasing state. The lower part of the base block can be fixed on an object through threads, so the locking pin is not easy to fall off, the locking pin can be kept locked under the action of the elastic structure, the locking and unlocking states can be changed under the action of the clamping groove and the first clamping block (or the second clamping block), and the locking pin can not change states due to vibration and the like when the locking is unlocked.
Drawings
FIG. 1 is a schematic view of a prior art locking pin;
FIG. 2 is a schematic view of one embodiment of a locking pin of the present invention;
FIG. 3 is a schematic view of the base of the detent pin of the present invention;
FIG. 4 is a schematic view of a locking pin of the present invention;
FIG. 5 is a schematic view of a locking pin cover of the present invention;
fig. 6 is a schematic view showing a state of use of the locking pin according to the present invention.
Reference numerals:
1' -prior art pins; 2' -prior art circular ring; a-a first moiety; b-second part.
1-a base block; 2-a pin; 3-a top cover; 4-an elastic structure; 5-locking the nut; 11-a through hole; 12-a clamping groove; 13-a second bump structure; 14-a second limit structure; 21-a locking part; 22-a connecting part; 23-a first raised structure; 24-a first limit structure; 31-a connecting trough; 32-a second block; a-a first moiety; b-second part.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The invention discloses a locking pin, which comprises a base block 1 and a pin 2, wherein the base block 1 is divided into an upper part and a lower part, the lower part is provided with an external thread and is provided with a through hole 11 penetrating through the base block 1 from the upper part to the lower part, the pin 2 can be sleeved in the through hole 11, the pin 2 can move in the through hole 11, and the moving path of the pin 2 is from a first position to a second position, wherein the first position is that a locking part 21 is hidden in the through hole 11, and the second position is that the locking part 21 is exposed from the lower part. I.e. the first position is unlocked and the second position enables locking.
For example, when the structure shown in fig. 6 is locked, the external thread of the base block 1 is fixedly connected with the first part a, and extends into the second part B through the movement of the pin 2, so that locking and unlocking are realized. The base block 1 is fixed with the first part through the external thread, so that locking failure caused by scraping, shaking and the like can be prevented.
In an alternative embodiment, an elastic structure is provided between the pin 2 and the base block 1, the elastic structure 4 providing an elastic restoring force having a tendency to bring the pin 2 into the second position. It can be understood that the elastic structure 4 enables the locking pin to more stably keep locking, and further avoids locking failure caused by vibration and other reasons.
Preferably, the elastic structure 4, such as a spring, is clamped between the first protruding structure 23 of the pin 2 and the second protruding structure 13 in the through hole 11, and referring to the figure, the elastic structure may be a spring, and is sleeved outside the pin 2. Of course, the manner in which the spring and its sleeve are provided is merely a preferred embodiment and is not intended to limit the present application.
Further, referring to fig. 3 and 4, the pin 2 has a first limit structure 24, and the through hole 11 has a second limit structure 14, which cooperate with each other to limit the movement of the pin 2 to a limit position when the pin moves inward in the base block 1. Referring to fig. 4, the first protruding structure 23 and the first limiting structure 24 of the pin may be the same structure, and different surfaces of the structure may have different functions, for example, in fig. 4, the first protruding structure 23 is an upper surface for mounting the elastic structure, and the first limiting structure 24 is a lower surface for matching with the second limiting structure. The arrangement of the two in a structure together can save space and simplify manufacturing cost.
With continued reference to fig. 3, a locking groove 12 is further formed at the upper portion of the base block 1, a first locking block is formed at the connecting portion 22 of the pin 2, the first locking block can enter the locking groove 12 and can also be separated from the locking groove 12, when the first locking block enters the locking groove 12, the pin 2 is in the second position (of course, the first locking block and the first locking block entering the locking groove means completely entering the locking groove, and in the process of moving into the locking groove completely, the pin 2 is in the process of moving into the second position gradually), and when the first locking block is separated from the locking groove 12, the pin 2 is in the first position.
Preferably, referring to fig. 5, the locking pin of the present application further includes a top cover 3, the top cover 3 is connected with the connecting portion 22, and the top cover 3 has a second engaging piece 32; the upper part of the base block 1 is formed with an engaging groove 12 structure, when the second engaging block enters the engaging groove 12, the pin 2 is in the second position, when the second engaging block 32 is separated from the engaging groove 12, the pin 2 is in the first position. It can be understood that the first card and the block and the second card block can be realized by one, and the provision of the first card and the block and the second card block can be the same, but the forming positions are different. The engaging groove 12 is a blind hole formed in the upper portion, and the second engaging piece 32 is a projection projecting downward. Preferably, the top cover 3 is connected to the connecting portion 22 by a screw, and as shown in the figure, the top cover 3 has a connecting groove 31 for the connecting portion 22 to go deep, the connecting groove 31 has an internal thread, and the connecting portion 22 has an external thread.
The above-described engagement groove 12 is formed in the upper portion of the base block 1, and the depth direction of the engagement groove 12 is directed toward the lower portion of the base block 1. It will be appreciated that the detent 12, being shaped in this way, allows the pin 2 to be positioned when it moves up and down, in particular to lock the first position of the pin 2.
In a preferred embodiment, a lock nut 5 may be further provided on the base block 1 to ensure that the base block 1 and the first part are securely connected.
The locking pin in the application realizes two states of locking and unlocking, the working state of the locking pin is stable, and the locking pin is not easy to rub or scratch to fail due to vibration in the locking state or the unlocking state. The lower part of the base block can be fixed on an object through threads, the first part in the drawing is not easy to fall off, the locking pin can be kept locked under the action of the elastic structure, the locking and unlocking states can be changed under the action of the clamping groove and the first clamping block (or the second clamping block), and the locking pin can not change states due to vibration and the like when the locking is unlocked.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (10)
1. A locking pin, comprising:
a base block, a pin, wherein,
the base block is divided into an upper portion and a lower portion, the lower portion having an external thread, and the base block having a through hole penetrating the base block in a direction from the upper portion to the lower portion;
the pin is provided with a locking part and a connecting part, the pin is movably sleeved in the through hole, the moving path of the pin is from a first position to a second position, and the connecting part is exposed from the upper part; wherein,
the first position is where the lock portion is hidden in the through hole, and the second position is where the lock portion is exposed from the lower portion.
2. The locking bolt of claim 1,
an elastic structure is arranged between the pin and the base block, and the elastic restoring force provided by the elastic structure has the tendency of enabling the pin to be in the second position.
3. The locking bolt of claim 2,
the pin is provided with a first protruding structure, a second protruding structure is arranged in the through hole, and the elastic structure is arranged between the first protruding structure and the second protruding structure.
4. The locking bolt of claim 3,
the elastic structure is a spring, and the spring is sleeved outside the pin.
5. The locking bolt of claim 1,
the pin is provided with a first limiting structure, a second limiting structure is arranged in the through hole, the first limiting structure is matched with the second limiting structure, and the second position is limited to be the limit position of the pin moving to the lower portion of the base block.
6. The locking bolt of claim 1,
the upper portion of the base block is formed with a clamping groove, the connecting portion of the pin is formed with a first clamping block, when the first clamping block enters the clamping groove, the pin is located at the second position, and when the first clamping block is separated from the clamping groove, the pin is located at the first position.
7. The locking bolt of claim 1,
the top cover is connected with the connecting part and provided with a second clamping block;
the upper portion of the base block is formed with a snap groove, when the second snap block enters the snap groove, the pin is in the second position, and when the second snap block is disengaged from the snap groove, the pin is in the first position.
8. The locking bolt of claim 6 or 7,
the engaging groove is formed in the upper portion, and a depth direction of the engaging groove faces the lower portion.
9. The locking bolt of claim 7,
the clamping groove is a blind hole formed in the upper portion, and the second clamping block is a protrusion extending towards the lower portion.
10. The locking bolt of claim 7,
the top cover is in threaded connection with the connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886073.4A CN106321588A (en) | 2016-10-10 | 2016-10-10 | Lock pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886073.4A CN106321588A (en) | 2016-10-10 | 2016-10-10 | Lock pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321588A true CN106321588A (en) | 2017-01-11 |
Family
ID=57820406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886073.4A Pending CN106321588A (en) | 2016-10-10 | 2016-10-10 | Lock pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321588A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706593A (en) * | 2020-07-28 | 2020-09-25 | 徐工集团工程机械股份有限公司科技分公司 | Mechanical locking mechanism |
| CN111894954A (en) * | 2020-06-28 | 2020-11-06 | 航天东方红卫星有限公司 | A memory alloy spring pin |
| CN112043428A (en) * | 2020-09-25 | 2020-12-08 | 珠海市人民医院 | A two-way pin-fixed dental implant structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19643708A1 (en) * | 1996-10-23 | 1998-04-30 | Halder Erwin Kg | Ball clamping bolt |
| US20020159860A1 (en) * | 2001-03-02 | 2002-10-31 | Rudolf Kienzler | Spring-loaded and locking pin press |
| US20090214318A1 (en) * | 2008-02-25 | 2009-08-27 | Rohn Bowden | Insert wall anchor for a grab bar |
| CN201412424Y (en) * | 2009-06-05 | 2010-02-24 | 中国航空工业集团公司西安飞机设计研究所 | Spring lock mechanism |
| CN203892329U (en) * | 2014-01-10 | 2014-10-22 | 衢州福锐特机械有限公司 | Limiting lock pin |
| CN203926282U (en) * | 2014-05-29 | 2014-11-05 | 孟乔企业有限公司 | positioning pin |
| CN204344611U (en) * | 2014-11-28 | 2015-05-20 | 天奇自动化工程股份有限公司 | Carry door main body spring bolt |
| CN205117927U (en) * | 2015-11-16 | 2016-03-30 | 鞍钢集团矿业公司 | Elasticity pin of adjustable length |
-
2016
- 2016-10-10 CN CN201610886073.4A patent/CN106321588A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19643708A1 (en) * | 1996-10-23 | 1998-04-30 | Halder Erwin Kg | Ball clamping bolt |
| US20020159860A1 (en) * | 2001-03-02 | 2002-10-31 | Rudolf Kienzler | Spring-loaded and locking pin press |
| US20090214318A1 (en) * | 2008-02-25 | 2009-08-27 | Rohn Bowden | Insert wall anchor for a grab bar |
| CN201412424Y (en) * | 2009-06-05 | 2010-02-24 | 中国航空工业集团公司西安飞机设计研究所 | Spring lock mechanism |
| CN203892329U (en) * | 2014-01-10 | 2014-10-22 | 衢州福锐特机械有限公司 | Limiting lock pin |
| CN203926282U (en) * | 2014-05-29 | 2014-11-05 | 孟乔企业有限公司 | positioning pin |
| CN204344611U (en) * | 2014-11-28 | 2015-05-20 | 天奇自动化工程股份有限公司 | Carry door main body spring bolt |
| CN205117927U (en) * | 2015-11-16 | 2016-03-30 | 鞍钢集团矿业公司 | Elasticity pin of adjustable length |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894954A (en) * | 2020-06-28 | 2020-11-06 | 航天东方红卫星有限公司 | A memory alloy spring pin |
| CN111894954B (en) * | 2020-06-28 | 2022-03-04 | 航天东方红卫星有限公司 | A memory alloy spring pin |
| CN111706593A (en) * | 2020-07-28 | 2020-09-25 | 徐工集团工程机械股份有限公司科技分公司 | Mechanical locking mechanism |
| CN112043428A (en) * | 2020-09-25 | 2020-12-08 | 珠海市人民医院 | A two-way pin-fixed dental implant structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |