CN210240241U - Integral anti-falling positioning pin - Google Patents

Integral anti-falling positioning pin Download PDF

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Publication number
CN210240241U
CN210240241U CN201920537399.5U CN201920537399U CN210240241U CN 210240241 U CN210240241 U CN 210240241U CN 201920537399 U CN201920537399 U CN 201920537399U CN 210240241 U CN210240241 U CN 210240241U
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China
Prior art keywords
pin
pin body
hole
parts
ring flange
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CN201920537399.5U
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Chinese (zh)
Inventor
Rong Zhao
赵荣
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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Priority to CN201920537399.5U priority Critical patent/CN210240241U/en
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Abstract

The utility model discloses a locating pin is prevented falling by integral type for fix a position two, two the part all is provided with the locating hole, set up the screwed round pin body, be used for the positioner who sells the body fixed including one end, positioner include with sell first stop nut that body screw-thread fit used, set up the ring flange that is close to part one side at first stop nut, the ring flange suit is on the lateral surface of selling the body, the one end that the ring flange is close to the part passes through the screw connection with the part. The utility model discloses a device can use and effectively prevent that the locating pin from dropping when the location of various spare parts, parts the utility model discloses location structure to various spare parts, parts in the mainly used aircraft assembling process. The positioning pin has the advantages of good universality, high reliability, good safety and wide application occasions; the arranged cotter pin is used for preventing the limiting nut from falling off the pin body; simple structure, practicality are strong.

Description

Integral anti-falling positioning pin
Technical Field
The utility model relates to a technical equipment structural design and manufacturing technical field, specific positioning pin that falls is prevented to integral type that says so.
Background
At present, the assembly of the parts and components of the airplane is completed by using process equipment in the manufacturing process of the airplane in an auxiliary way. On one hand, a large number of movable parts exist on the process equipment, and the parts need to be positioned when being installed, and on the other hand, when the process equipment is used for fixing product parts and components, the fixing component needs to be positioned. The traditional assembly adopts a cylindrical bolt, a stop pin, a spring pin and other positioning pin structures.
Disadvantages or shortcomings of the prior art:
when the parts are connected, the cylindrical bolt can only be inserted downwards on the static tool. For a positioning pin on a dynamic tool, the tongue piece of the stop pin can be opened accidentally due to vibration; the spring pin spring may jam and fail; these problems present the potential for the locating pin to slip out of the locating hole.
The disassembled locating pin can form loose parts, is inconvenient to store and can be used as redundant airplane when lost.
In the use, the locating pin loses hand and drops and can cause the injury to personnel, aircraft product etc..
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locating pin is prevented falling by integral type uses and effectively prevents that the locating pin from dropping when the location of various spare parts, parts the utility model discloses mainly used aircraft assembly in-process is to the location structure of various spare parts, parts. The positioning pin has the advantages of good universality, high reliability, good safety and wide application occasions.
The utility model discloses a following technical scheme realizes:
the utility model provides an integral type anti falling locating pin for fix a position two parts, two parts all are provided with the locating hole, set up the screwed round pin body, be used for the positioner that the round pin body is fixed including one end, positioner includes the first stop nut who uses with round pin body screw-thread fit, sets up the ring flange that is close to part one side at first stop nut, the ring flange suit is on the lateral surface of the round pin body, the one end that the ring flange is close to the part passes through the screw connection with the part.
Aligning the positioning holes of two parts respectively provided with the positioning holes to ensure that the centers of circles of the two parts are on the same straight line; the end, which is not provided with the threads, of the pin body penetrates through the two positioning holes, the flange plate is sleeved on the pin body, then a first limiting nut is installed, the first limiting threads are matched with the threads on the pin body, the flange plate is effectively prevented from falling off the pin body, and then the flange plate and a part close to the flange plate are fixed through screws; thereby effectively avoiding falling off in the using process of the pin body.
Furthermore, in order to better realize the utility model, a through hole is arranged on one side of the pin body, which is far away from the component, and the length of the through hole is the same as that of the pin body; the anti-theft device further comprises a split pin detachably mounted in the through hole, and the length of the split pin is larger than that of the through hole.
The split pin is arranged for effectively limiting the first limiting nut to be separated from the pin body, and practicability and stability are improved.
Further, for better realization the utility model discloses, positioner still includes and uses and set up the second stop nut that is close to part one side at the ring flange with screw-thread fit.
The second limiting nut is arranged on one side, close to the component, of the flange plate and is matched with the first limiting nut to effectively clamp the flange plate. Simultaneously, the position of the pin body relative to the component is adjusted through the mutual matching of the first limiting nut and the second limiting nut, so that the change of the positioning state is effectively realized.
Further, for better realization the utility model discloses, set up on the ring flange with the A locating hole, positioner still includes the A screw that uses with the cooperation of A locating hole.
Further, for better realization the utility model discloses, the round pin body including set up the screwed threaded rod and with threaded rod integrated into one piece's polished rod, the diameter of threaded rod is less than the diameter of polished rod.
Further, for better realization the utility model discloses, the one end of polished rod is kept away from at the threaded rod to the through-hole setting.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses use and effectively prevent that the locating pin from dropping when the location of various spare parts, parts the utility model discloses location structure to various spare parts, parts in the mainly used aircraft assembling process. The positioning pin has the advantages of good universality, high reliability, good safety and wide application occasions;
(2) the split pin arranged in the utility model is used for preventing the limit nut from being separated from the pin body;
(3) the utility model discloses simple structure, practicality are strong.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a sectional view showing the connection state of the present invention with the components;
the structure comprises a split pin 1, a first limiting nut 2, a second limiting nut 3, a flange plate 4, a pin body 5 and a screw 6-A.
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 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 exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1:
the utility model discloses a following technical scheme realizes, as shown in fig. 1, fig. 2, a locating pin that falls is prevented to integral type for fix a position two parts, two parts all are provided with the locating hole, set up screwed round pin body 5, be used for the positioner fixed with round pin body 5 including one end, positioner include with round pin body 5 screw-thread fit use first stop nut 2, set up the ring flange 4 that is close to part one side at first stop nut 2, 4 suits of ring flange are on the lateral surface of round pin body 5, the one end that ring flange 4 is close to the part passes through the screw connection with the part.
The opening of the flange 4 is arranged on the side close to the component.
It should be noted that, through the above improvement, the positioning holes of the two components respectively provided with the positioning holes are aligned, so that the centers of the two components are on the same straight line; one end of the pin body 5 without threads penetrates through the two positioning holes, the flange plate 4 is sleeved on the pin body 5, then the first limiting nut 2 is installed, the first limiting threads are matched with the threads on the pin body 5, the flange plate 4 is effectively prevented from falling off the pin body 5, and then the flange plate 4 and a part close to the flange plate 4 are fixed through screws; thereby effectively avoiding falling off of the pin body 5 during use.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 2:
the present embodiment is further optimized on the basis of the above embodiment, as shown in fig. 1 and fig. 2, further, in order to better implement the present invention, a through hole is further disposed on one side of the pin body 5 away from the component, and the length of the through hole is the same as that of the pin body 5; the anti-theft device further comprises a cotter pin 1 detachably mounted in the through hole, and the length of the cotter pin 1 is larger than that of the through hole.
It should be noted that, through the above improvement, the cotter 1 is provided for effectively limiting the first limiting nut 2 from coming off the pin body 5, so as to increase the practicability and stability.
The split pin 1 of the preferred arrangement can be replaced by a retainer ring mounted on the side of the pin body 5 remote from the component, which achieves the same technical effect.
After the flange plate 4 and the pin body 5 are installed, the cotter pin 1 is inserted into the through hole; in the use process, the first limiting nut 2 can not be separated from the pin body 5 all the time.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 3:
this embodiment is further optimized on the basis of the above-mentioned embodiment, as shown in fig. 1, and further, for better realization the utility model discloses, the positioning device further includes and uses and sets up the second stop nut 3 that is close to part one side at ring flange 4 with screw-thread fit.
It should be noted that, with the above improvement, the second limiting nut 3 is arranged on the side of the flange 4 close to the component, and cooperates with the first limiting nut 2 to effectively clamp the flange 4. Meanwhile, the position of the pin body 5 relative to the component is adjusted through the mutual matching of the first limiting nut 2 and the second limiting nut 3, and therefore the change of the positioning state is effectively achieved.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 4:
this embodiment is further optimized on the basis of above-mentioned embodiment, as shown in fig. 1, fig. 2, further, for better realization the utility model discloses, set up on the ring flange 4 with the A locating hole, positioner still includes the A screw 6 that uses with the cooperation of A locating hole.
Furthermore, in order to better realize the utility model, the pin body 5 comprises a threaded rod provided with threads and a polished rod integrally formed with the threaded rod, and the polished rod is matched with the positioning hole for positioning the two parts; the diameter of the threaded rod is smaller than that of the polished rod and forms a step. The diameter of the polished rod is larger than that of the threaded rod, and the movable positions and directions of the first limiting nut 2 and the second limiting nut 3 which form effective steps are limited, and when one side, close to the component, of the second limiting nut 3 is in contact with the steps, the second limiting nut 3 cannot move to one side of the component.
When the two parts are not positioned, the pin body 5 is screwed to enable the step to move towards one side of the second limiting nut 3, and the polish rod can be separated from the positioning hole.
Further, for better realization the utility model discloses, the one end of polished rod is kept away from at the threaded rod to the through-hole setting.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 5:
this embodiment is the utility model discloses a best embodiment, as shown in fig. 1, fig. 2, a locating pin is prevented falling by integral type for fix a position two parts, two parts all are provided with the locating hole, including the round pin body 5, be used for the positioner fixed with the round pin body 5, positioner include with the round pin body 5 screw-thread fit use first stop nut 2, set up the ring flange 4 that is close to part one side at first stop nut 2, ring flange 4 suit is on the lateral surface of round pin body 5, ring flange 4 is close to the one end of part and passes through screw connection with the part. The pin body 5 comprises a threaded rod and a polished rod integrally formed with the threaded rod, and the positioning device is installed on the threaded rod.
Aligning the positioning holes of two parts respectively provided with the positioning holes to ensure that the centers of circles of the two parts are on the same straight line; one end of the pin body 5 without threads penetrates through the two positioning holes, the flange plate 4 is sleeved on the pin body 5, then the first limiting nut 2 is installed, the first limiting threads are matched with the threads on the pin body 5, the flange plate 4 is effectively prevented from falling off the pin body 5, and then the flange plate 4 and a part close to the flange plate 4 are fixed through screws; thereby effectively avoiding falling off of the pin body 5 during use.
Furthermore, in order to better realize the utility model, a through hole is arranged on one side of the pin body 5 away from the component, and the length of the through hole is the same as that of the pin body 5; the anti-theft device further comprises a cotter pin 1 detachably mounted in the through hole, and the length of the cotter pin 1 is larger than that of the through hole.
The split pin 1 is arranged for effectively limiting the first limiting nut 2 from being separated from the pin body 5, and practicability and stability are improved.
Further, for better realization the utility model discloses, positioner still includes and uses and set up the second stop nut 3 that is close to part one side at ring flange 4 with screw-thread fit.
The second limiting nut 3 is arranged on one side, close to the component, of the flange plate 4 and is matched with the first limiting nut 2 to effectively clamp the flange plate 4. Meanwhile, the position of the pin body 5 relative to the component is adjusted through the mutual matching of the first limiting nut 2 and the second limiting nut 3, and therefore the change of the positioning state is effectively achieved.
Further, for better realization the utility model discloses, set up on the ring flange 4 with the A locating hole, positioner still includes the A screw 6 that uses with the cooperation of A locating hole.
Further, for better realization the utility model discloses, the one end of polished rod is kept away from at the threaded rod to the through-hole setting.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (6)

1. The utility model provides a locating pin that falls is prevented to integral type for fix a position two parts, two parts all are provided with locating hole, its characterized in that: set up screwed round pin body (5), be used for the positioner fixed with round pin body (5) including one end, positioner includes first stop nut (2) that uses with round pin body (5) screw-thread fit, sets up ring flange (4) that are close to part one side in first stop nut (2), ring flange (4) suit is on the lateral surface of round pin body (5), the one end that ring flange (4) are close to the part passes through bolted connection with the part.
2. The integrated drop resistant locator pin of claim 1, wherein: a through hole is further formed in one side, away from the part, of the pin body (5), and the length of the through hole is the same as that of the pin body (5); the anti-theft device is characterized by further comprising a split pin (1) detachably mounted in the through hole, wherein the length of the split pin (1) is larger than that of the through hole.
3. An integral drop resistant locator pin as set forth in claim 2 wherein: the positioning device further comprises a second limiting nut (3) which is matched with the threads for use and is arranged on one side, close to the component, of the flange plate (4).
4. An integral drop resistant locator pin as set forth in claim 3, wherein: the flange plate (4) is provided with a positioning hole A, and the positioning device further comprises a screw A (6) matched with the positioning hole A for use.
5. An integral drop resistant locator pin as defined in any one of claims 1-4 wherein: the round pin body (5) including set up the screwed threaded rod and with threaded rod integrated into one piece's polished rod, the diameter of threaded rod is less than the diameter of polished rod.
6. An integral drop resistant locator pin as set forth in claim 2 wherein: the through hole is arranged at one end of the threaded rod, which is far away from the polished rod.
CN201920537399.5U 2019-04-19 2019-04-19 Integral anti-falling positioning pin Active CN210240241U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920537399.5U CN210240241U (en) 2019-04-19 2019-04-19 Integral anti-falling positioning pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920537399.5U CN210240241U (en) 2019-04-19 2019-04-19 Integral anti-falling positioning pin

Publications (1)

Publication Number Publication Date
CN210240241U true CN210240241U (en) 2020-04-03

Family

ID=69969014

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920537399.5U Active CN210240241U (en) 2019-04-19 2019-04-19 Integral anti-falling positioning pin

Country Status (1)

Country Link
CN (1) CN210240241U (en)

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