CN214331151U - Bolt is with closed round pin needle that prevents nut and drop - Google Patents
Bolt is with closed round pin needle that prevents nut and drop Download PDFInfo
- Publication number
- CN214331151U CN214331151U CN202022252104.5U CN202022252104U CN214331151U CN 214331151 U CN214331151 U CN 214331151U CN 202022252104 U CN202022252104 U CN 202022252104U CN 214331151 U CN214331151 U CN 214331151U
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- fixing
- supporting leg
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- wall
- rod
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001739 rebound effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a bolt is with pin needle that closes mouth that prevents nut and drop, including fixing bolt and fixation nut, fixing bolt's outer wall is equipped with the spiral groove, fixation nut installs in the outer wall of spiral groove, the locating lever is installed on fixing bolt's right side, the internal connection of slide has the dead lever, and the inside of dead lever runs through there is the connecting rod, the left side of fixing pin needle is seted up flutedly, unable adjustment base's outer wall connection has first supporting leg. Through the outside of handheld first supporting leg and second supporting leg and press it, make it take place to rotate under swivel bearing and second expanding spring's drive, fix a position the both sides of fixed round pin needle, thereby make the block be connected between fixed baseplate and the recess, under second expanding spring's resilience effect, reverse rotation takes place between first supporting leg and the second supporting leg, the recess after with the block is fixed with fixed baseplate's rigidity, when making fixed round pin needle and fixing bolt block, save strength, the operation of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the cotter pin of remaining silent, concretely relates to bolt is with cotter pin that prevents that the nut from droing of remaining silent.
Background
A pin is a part used when two or more parts are fixed, and is generally classified into an open pin and a closed pin, and the closed pin is also called an R-type pin because it is shaped like a letter R.
The fixing pin on the market is simple in structure mostly, and when the fixing pin is used, a large amount of labor is consumed when the fixing pin is fixed in position due to the material of the pin, and for parts used for a long time, the fixing pin is not enough to be stably fixed and needs to be replaced regularly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bolt is with closed round pin needle that prevents nut and drop to solve the most simple structure who proposes in the above-mentioned background art, fixed round pin needle when using, because the reason of round pin needle material need consume a large amount of strength to its rigidity when fixed, and to the part of long-time use, fixed round pin needle is not enough to its stable fixed, needs the problem of regularly changing.
In order to achieve the above object, the utility model provides a following technical scheme: a closed pin for preventing a nut from falling off for a bolt comprises a fixed bolt and a fixed nut, wherein the outer wall of the fixed bolt is provided with a screw groove, a fixing pin is fixed inside the screw groove, the fixing nut is arranged on the outer wall of the screw groove, an opening is arranged inside the fixing nut, a positioning rod is arranged on the right side of the fixing bolt, a first expansion spring is connected inside the positioning rod, a slide way is arranged inside the positioning rod, a fixing rod is connected inside the slide way, a connecting rod penetrates through the inside of the fixing rod, the right side of the fixed rod is connected with a pulley, the left side of the fixed pin is provided with a groove, the right side of the fixed pin is connected with a buffer plate, and the right side of the buffer plate is connected with a fixed base, the outer wall of the fixed base is connected with a first supporting leg, and the outer wall of the first supporting leg is provided with a second supporting leg, and the top of the second supporting leg is provided with a second telescopic spring.
Preferably, the fixing bolt is connected with the fixing pin in a clamping manner, and the thread grooves are formed in the outer wall of the fixing bolt at equal intervals.
Preferably, the thread groove is in threaded connection with the fixing nut, and the fixing nut and the pulley form a sliding structure through the opening.
Preferably, the positioning rod and the fixing rod are symmetrically arranged about a transverse center line of the fixing bolt respectively, and the fixing bolt is in welded connection with the positioning rod.
Preferably, be sliding connection between slide and the dead lever, and the locating lever passes through the connecting rod with the dead lever and constitutes detachable construction.
Preferably, be the block between recess and the fixed baseplate and be connected, and the outer wall of buffer board closely laminates with the outer wall of recess.
Preferably, the first supporting leg and the second supporting leg form a rotating structure through a rotating bearing at the joint of the first supporting leg and the second supporting leg, and the first supporting leg and the second supporting leg are fixedly connected with the fixed base through screws.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a handheld first supporting leg and the outside of second supporting leg and press it, make it rotate under swivel bearing and second expanding spring's drive, fix a position the both sides of fixed pin needle, thereby make the block connect between fixed baseplate and the recess, under the rebound effect of second expanding spring, reverse rotation takes place between first supporting leg and the second supporting leg, fix the recess after the block with the position of fixed baseplate, when making fixed pin needle and fixing bolt block, save strength, the operation of being convenient for;
2. the utility model discloses a fixation nut is rotatory at the outer wall of spiral groove, makes the pulley slide in open-ended inside, because be screw fastening connection between pulley and the dead lever, when consequently fixation nut removes, the position of pulley also changes consequently, under first expanding spring's effect, makes the dead lever slide in the inside slide of locating lever, fixes the relative position of locating lever and dead lever through the connecting rod to further fixed between fixation bolt and the fixation nut, prevent that fixation nut from removing.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic side view of the fixing nut of the present invention;
FIG. 3 is a schematic side view of the fixing pin of the present invention;
fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3 according to the present invention.
In the figure: 1. fixing the bolt; 2. a screw groove; 3. fixing the pin; 4. fixing a nut; 5. an opening; 6. positioning a rod; 7. a first extension spring; 8. a slideway; 9. fixing the rod; 10. a connecting rod; 11. a pulley; 12. a groove; 13. a buffer plate; 14. a fixed base; 15. a first support leg; 16. a second support leg; 17. a second extension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a closed pin for preventing a nut from falling off for a bolt comprises a fixing bolt 1, a thread groove 2, a fixing pin 3, a fixing nut 4, an opening 5, a positioning rod 6, a first telescopic spring 7, a slide way 8, a fixing rod 9, a connecting rod 10, a pulley 11, a groove 12, a buffer plate 13, a fixing base 14, a first supporting leg 15, a second supporting leg 16 and a second telescopic spring 17, wherein the outer wall of the fixing bolt 1 is provided with the thread groove 2, the fixing pin 3 is fixed in the thread groove 2, the fixing nut 4 is arranged on the outer wall of the thread groove 2, the opening 5 is arranged in the fixing nut 4, the positioning rod 6 is arranged on the right side of the fixing bolt 1, the first telescopic spring 7 is connected in the positioning rod 6, the slide way 8 is arranged in the positioning rod 6, the fixing rod 9 is connected in the slide way 8, the connecting rod 10 penetrates through the fixing rod 9, and the pulley 11 is connected on the right side of the fixing rod 9, the left side of fixed round pin 3 is seted up flutedly 12, and the right side of fixed round pin 3 is connected with buffer board 13 to the right side of buffer board 13 is connected with unable adjustment base 14, and unable adjustment base 14's outer wall is connected with first supporting leg 15, and second supporting leg 16 is installed to the outer wall of first supporting leg 15, and the top of second supporting leg 16 is equipped with second expanding spring 17.
In this example, the fixing bolt 1 is connected with the fixing pin 3 in a clamping manner, the thread grooves 2 are arranged on the outer wall of the fixing bolt 1 at equal intervals, and the fixing bolt 1 is connected with the fixing pin 3 in a clamping manner to fix the position between the fixing bolt 1 and the fixing nut 4 and prevent the fixing nut 4 from falling off;
the thread groove 2 is in threaded connection with the fixing nut 4, the fixing nut 4 and the pulley 11 form a sliding structure through the opening 5, the fixing nut 4 is rotated on the outer wall of the thread groove 2 by rotating the fixing nut 4, so that the clamping piece is fixed by the fixing bolt 1 and the fixing nut 4, and meanwhile, the pulley 11 slides in the opening 5 by rotating the fixing nut 4;
the positioning rod 6 and the fixing rod 9 are respectively symmetrically arranged about the transverse central line of the fixing bolt 1, the fixing bolt 1 is in welded connection with the positioning rod 6, the relative positions of the positioning rod 6 and the fixing rod 9 are fixed through the connecting rod 10, and therefore the fixing bolt 1 and the fixing nut 4 are further fixed, and the fixing nut 4 is prevented from moving;
the slide way 8 is connected with the fixed rod 9 in a sliding manner, the positioning rod 6 and the fixed rod 9 form a detachable structure through the connecting rod 10, when the fixed nut 4 moves, the position of the pulley 11 changes, and the fixed rod 9 slides in the slide way 8 in the positioning rod 6 under the action of the first telescopic spring 7, so that the position between the positioning rod 6 and the fixed rod 9 is positioned;
the groove 12 is connected with the fixed base 14 in a clamping manner, the outer wall of the buffer plate 13 is tightly attached to the outer wall of the groove 12, the outer sides of the first supporting leg 15 and the second supporting leg 16 are held by hands and pressed, so that the first supporting leg and the second supporting leg rotate under the driving of the rotary bearing and the second telescopic spring 17, the fixed base 14 is connected with the groove 12 in a clamping manner, the outer wall of the buffer plate 13 is tightly attached to the outer wall of the groove 12, and the two sides of the fixing pin 3 are prevented from shifting;
first supporting leg 15 and second supporting leg 16 constitute rotating-structure through the swivel bearing of first supporting leg 15 and the 16 junction of second supporting leg, and first supporting leg 15 and second supporting leg 16 pass through screw fastening connection with fixed baseplate 14, make and take place to rotate between first supporting leg 15 and the second supporting leg 16 under swivel bearing and the drive of second expanding spring 17, thereby make between fixed baseplate 14 and the recess 12 block be connected, under the effect of second expanding spring 17, take place the antiport between first supporting leg 15 and the second supporting leg 16, recess 12 after with the block is fixed with fixed baseplate 14's position.
The working principle is as follows: in the nut-drop-preventing closed pintle for the bolt, firstly, a fastener to be fixed is fixed on the outer wall of a thread groove 2, a fixing nut 4 is rotated on the outer wall of the thread groove 2 by rotating the fixing nut 4, so that the fastener is fixed by the fixing bolt 1 and the fixing nut 4, the position of a positioning rod 6 is determined due to the external fixation of the fixing bolt 1, a pulley 11 slides in an opening 5 by rotating the fixing nut 4, the position of the pulley 11 changes when the fixing nut 4 moves due to the screw fastening connection between the pulley 11 and the fixing rod 9, the fixing rod 9 slides in a slide way 8 in the positioning rod 6 under the action of a first expansion spring 7, the relative position of the positioning rod 6 and the fixing rod 9 is fixed through a connecting rod 10, so that the fixing nut 4 is prevented from moving, and the two sides of the fixing pintle 3 are pressed towards the middle, in addition, the outer sides of the first supporting leg 15 and the second supporting leg 16 are held by hands and pressed, so that the first supporting leg 15 and the second supporting leg 16 are driven by the rotary bearing and the second telescopic spring 17 to rotate, the fixing base 14 and the groove 12 are connected in a clamping mode, under the action of the second telescopic spring 17, the first supporting leg 15 and the second supporting leg 16 rotate reversely, the groove 12 after clamping and the fixing base 14 are fixed, the fixing pin 3 is fixed inside the spiral groove 2 after the fixing pin 3 is fixed on the two sides, the fixing pin 3 is prevented from falling off between the fixing nut 4 and the fixing bolt 1, and the using process of the closed pin for preventing the nut from falling off for the whole bolt is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a bolt is with closed round pin needle that prevents nut and drop, includes fixing bolt (1) and fixation nut (4), its characterized in that: the outer wall of the fixing bolt (1) is provided with a spiral groove (2), a fixing pin (3) is fixed inside the spiral groove (2), the fixing nut (4) is installed on the outer wall of the spiral groove (2), an opening (5) is formed inside the fixing nut (4), a positioning rod (6) is installed on the right side of the fixing bolt (1), a first expansion spring (7) is connected inside the positioning rod (6), a slide way (8) is arranged inside the positioning rod (6), a fixing rod (9) is connected inside the slide way (8), a connecting rod (10) penetrates through the inside of the fixing rod (9), a pulley (11) is connected on the right side of the fixing rod (9), a groove (12) is formed in the left side of the fixing pin (3), a buffer plate (13) is connected on the right side of the fixing pin (3), and a fixing base (14) is connected on the right side of the buffer plate (13), the outer wall of fixed baseplate (14) is connected with first supporting leg (15), and second supporting leg (16) are installed to the outer wall of first supporting leg (15) to the top of second supporting leg (16) is equipped with second expanding spring (17).
2. The closed pintle for preventing the nut from falling off according to claim 1, wherein: the fixing bolt (1) is connected with the fixing pin (3) in a clamping mode, and the thread grooves (2) are arranged on the outer wall of the fixing bolt (1) at equal intervals.
3. The closed pintle for preventing the nut from falling off according to claim 1, wherein: the thread groove (2) is in threaded connection with the fixing nut (4), and the fixing nut (4) and the pulley (11) form a sliding structure through the opening (5).
4. The closed pintle for preventing the nut from falling off according to claim 1, wherein: the positioning rod (6) and the fixing rod (9) are symmetrically arranged about a transverse center line of the fixing bolt (1) respectively, and the fixing bolt (1) is in welded connection with the positioning rod (6).
5. The closed pintle for preventing the nut from falling off according to claim 1, wherein: the slide way (8) is in sliding connection with the fixing rod (9), and the positioning rod (6) and the fixing rod (9) form a detachable structure through a connecting rod (10).
6. The closed pintle for preventing the nut from falling off according to claim 1, wherein: the groove (12) is connected with the fixed base (14) in a clamping mode, and the outer wall of the buffer plate (13) is tightly attached to the outer wall of the groove (12).
7. The closed pintle for preventing the nut from falling off according to claim 1, wherein: the first supporting leg (15) and the second supporting leg (16) form a rotating structure through a rotating bearing at the joint of the first supporting leg (15) and the second supporting leg (16), and the first supporting leg (15) and the second supporting leg (16) are fixedly connected with the fixed base (14) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252104.5U CN214331151U (en) | 2020-10-10 | 2020-10-10 | Bolt is with closed round pin needle that prevents nut and drop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252104.5U CN214331151U (en) | 2020-10-10 | 2020-10-10 | Bolt is with closed round pin needle that prevents nut and drop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331151U true CN214331151U (en) | 2021-10-01 |
Family
ID=77875767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022252104.5U Expired - Fee Related CN214331151U (en) | 2020-10-10 | 2020-10-10 | Bolt is with closed round pin needle that prevents nut and drop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331151U (en) |
-
2020
- 2020-10-10 CN CN202022252104.5U patent/CN214331151U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |