CN214617371U - Anti-loosening self-bottom-cutting anchor bolt - Google Patents
Anti-loosening self-bottom-cutting anchor bolt Download PDFInfo
- Publication number
- CN214617371U CN214617371U CN202121005837.7U CN202121005837U CN214617371U CN 214617371 U CN214617371 U CN 214617371U CN 202121005837 U CN202121005837 U CN 202121005837U CN 214617371 U CN214617371 U CN 214617371U
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- Prior art keywords
- sleeve
- sliding
- screw rod
- nut
- fixedly connected
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- Expired - Fee Related
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- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a locking take off from undercutting crab-bolt, including the sleeve, its characterized in that: the sleeve is internally and slidably connected with a screw rod, one side of the screw rod is fixedly connected with an expansion pipe section, the other side of the screw rod is in threaded connection with a nut, a second fixing rod is slidably connected inside a second limiting groove, the second limiting groove is formed inside a second sliding block, and a second extrusion plate is fixedly connected to the inner side of the second sliding block. The utility model discloses in, the swivel nut can extrude the sleeve to inside, first stripper plate and second stripper plate are under the effect of screw rod, to the outside slip of sleeve, when first dead lever slips first spacing tank bottom and second dead lever and slides second spacing tank bottom, the outstanding sleeve of first slider and second slider, can avoid the sleeve roll-off, the nut is turned round the tightest back, cover fixed lid, with the fixture block card in the draw-in groove, will fix lid and sleeve together fixed, thereby avoid the nut to follow the roll-off on the screw rod, play the locking effect of taking off.
Description
Technical Field
The utility model relates to a cutting tool field especially relates to an anti-loosening self undercut crab-bolt.
Background
The anchor bolt is a general name of all rear anchoring assemblies, the range is wide, the anchor bolt is divided into a metal anchor bolt and a non-metal anchor bolt according to different raw materials, the anchor bolt is divided into an expansion type anchor bolt, a hole expanding type anchor bolt, a bonding type anchor bolt, a concrete screw, a shooting nail, a concrete nail and the like according to different anchoring mechanisms, the existing anchor bolt comprises a screw rod, an expansion sleeve and a nut, an expansion head is arranged at one end of the screw rod, the expansion sleeve is sleeved on the screw rod, the nut is connected to the screw rod, when the anchor bolt is used, the anchor bolt is inserted into a connecting hole, the expansion sleeve is pushed to move towards the expansion head through rotating the nut, the expansion sleeve is expanded, and therefore the anchor bolt and the connecting hole are expanded, and the effect of connection and fastening is achieved.
The screw rod is easy to loosen after the existing anchor bolt is used, so that the fixation becomes insecure and potential safety hazard is easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a locking take-off self-undercut anchor bolt.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an anti-loose self-undercut anchor bolt, in particular to the field of infant bearing devices, which comprises a sleeve, wherein a screw rod is connected inside the sleeve in a sliding way, one side of the screw is fixedly connected with an expansion pipe section, the other side of the screw is in threaded connection with a nut, one side of the nut is provided with a gasket, one side of the sleeve is provided with an expansion pipe, the middle part of the sleeve is provided with a first chute and a second chute, a first fixed rod is fixedly connected inside the first sliding groove and is connected inside the first limiting groove in a sliding manner, the first limiting groove is arranged in the first sliding block, the inner side of the first sliding block is fixedly connected with a first extrusion plate, a second fixed rod is fixedly connected inside the second sliding groove and is connected inside the second limiting groove in a sliding manner, the second limiting groove is formed in the second sliding block, and a second extrusion plate is fixedly connected to the inner side of the second sliding block.
As a further description of the above technical solution:
the nut opposite side is provided with fixed lid, fixed lid one side is provided with six connecting pieces, and the connecting piece is fixed, and the equal fixedly connected with fixture block in connecting piece one side, the shape of fixture block is the inclined type, and the fixture block card is gone into in the draw-in groove, can be in the same place nut and sleeve are fixed.
As a further description of the above technical solution:
six clamping grooves are uniformly formed in the other side surface of the sleeve, the clamping grooves are in inclined openings, clamping blocks can be fixed, and the clamping blocks are prevented from sliding away from the clamping grooves.
As a further description of the above technical solution:
the positions of the clamping blocks and the clamping grooves correspond to each other one by one, the clamping blocks are clamped into the clamping grooves, the fixing cover and the sleeve are fixed together, and therefore the nut is prevented from sliding up from the screw rod.
As a further description of the above technical solution:
the utility model discloses a pipe expansion joint, including first stripper plate, expansion pipe, first dead lever, second stripper plate inboard is provided with the screw thread, first stripper plate inboard surface is provided with the screw thread, rotates the nut and can extrudees the sleeve to inside, and first stripper plate and second stripper plate slide to the sleeve outside under the screw rod effect, and simultaneously, the expansion pipe can extrude the expansion pipe section, and after the expansion pipe covers the expansion pipe section completely, the nut was twisted still, and first dead lever slided first spacing tank bottom and second dead lever when sliding second spacing tank bottom, the outstanding sleeve of first slider and second slider can avoid the sleeve roll-off.
As a further description of the above technical solution:
first slider sliding connection is inside first spout, second slider sliding connection is inside the second spout, inside the first spout of first slider roll-off and the inside back of second slider roll-off second spout, can avoid the sleeve roll-off.
As a further description of the above technical solution:
the middle section of the screw rod is not provided with threads, when the anchor bolt is not used, the first extrusion plate and the second extrusion plate cannot slide due to extrusion of the screw rod, and the first sliding block and the second sliding block cannot protrude out of the sleeve.
As a further description of the above technical solution:
the first sliding groove and the second sliding groove are opposite in position.
The utility model discloses following beneficial effect has:
the utility model discloses in, at first, the nut rotates can extrude the sleeve to inside, first stripper plate and second stripper plate are under the effect of screw rod, to the outside slip of sleeve, when first dead lever slips first spacing tank bottom and second dead lever and slips second spacing tank bottom, the outstanding sleeve of first slider and second slider, can avoid the sleeve roll-off, the nut is turned round the tightest back, cover fixed lid, in advancing the draw-in groove with the fixture block card, will fix lid and sleeve together fixed, thereby avoid the nut to follow the roll-off on the screw rod, play the locking effect of taking off.
Drawings
Fig. 1 is a three-dimensional structure diagram of a locking take-off self undercut anchor bolt provided by the utility model.
Fig. 2 is a structural view of a fixing cover of a locking and loosening self-undercut anchor bolt.
Fig. 3 is a screw structure diagram of the anti-loosening self-undercut anchor bolt provided by the present invention.
Fig. 4 is a view of the internal structure of the sleeve of the anti-loosening self-undercut anchor bolt according to the present invention.
Fig. 5 is a three-dimensional structure diagram of a sleeve of a locking and loosening self-undercut anchor bolt according to the present invention.
Illustration of the drawings: 1. a sleeve; 2. an expansion tube; 3. a screw; 4. expanding a pipe section; 5. a fixed cover; 6. a connecting member; 7. a clamping block; 8. a nut; 9. a gasket; 10. a card slot; 11. a first slider; 12. a first limit groove; 13. a first squeeze plate; 14. a first fixing lever; 15. a second slider; 16. a second limit groove; 17. a second compression plate; 18. a second fixing bar; 19. a first chute; 20. a second runner.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a locking taking off from undercut crab-bolt, concretely relates to baby bears the device field, including sleeve 1, 1 inside sliding connection of sleeve has screw rod 3, 3 one side fixedly connected with of screw rod expand the pipeline section 4, 3 opposite side threaded connection of screw rod has nut 8, nut 8 one side is provided with gasket 9, 1 one side of sleeve is provided with expansion pipe 2, 1 middle part of sleeve is provided with first spout 19 and second spout 20, 19 inside fixedly connected with first dead lever 14 of first spout, 14 sliding connection of first dead lever is inside first spacing inslot 12, first spacing inslot 12 sets up inside first slider 11, 11 inboard fixedly connected with first stripper plate 13 of first slider, 20 inside fixedly connected with second dead lever 18 of second spout, 18 sliding connection of second dead lever is inside second spacing inslot 16, second spacing inslot 16 sets up inside second slider 15, 15 inboard fixedly connected with second stripper plate 17 of second slider.
The middle section of the screw rod 3 is not provided with threads, when an anchor bolt is not used, the first extrusion plate 13 and the second extrusion plate 17 cannot slide due to extrusion of the screw rod 3, the first sliding block 11 and the second sliding block 15 cannot protrude out of the sleeve 1, threads are arranged on the inner side of the second extrusion plate 17, threads are arranged on the inner side surface of the first extrusion plate 13, the sleeve 1 can be extruded inwards by rotating the nut 8, the first extrusion plate 13 and the second extrusion plate 17 slide towards the outside of the sleeve 1 under the action of the screw rod 3, meanwhile, the expansion pipe 2 can extrude the expansion pipe section 4, the nut 8 cannot be screwed until the expansion pipe 2 completely covers the expansion pipe section 4, the first fixing rod 14 slides to the bottom of the first limiting groove 12 and the second fixing rod 18 slides to the bottom of the second limiting groove 16, the first sliding block 11 and the second sliding block 15 protrude out of the sleeve 1, the first sliding groove 19 and the second sliding groove 20 are opposite in position, the first sliding block 11 is connected inside the first sliding groove 19, inside second slider 15 sliding connection at second spout 20, inside 19 of first slider 11 roll-off first spout and the inside back of second slider 15 roll-off second spout 20, can avoid sleeve 1 roll-off, the nut 8 opposite side is provided with fixed lid 5, fixed lid 5 one side is provided with six connecting pieces 6, the equal fixedly connected with fixture block 7 in connecting piece 6 one side, the shape of fixture block 7 is the type of leaning on, fixture block 7 blocks into in the draw-in groove 10, can be in the same place nut 8 and sleeve 1 are fixed, sleeve 1 opposite side surface evenly is provided with six draw-in grooves 10, the shape of draw-in groove 10 is the bevel connection, can fix fixture block 7, avoid fixture block 7 to slide away from the draw-in groove 10, fixture block 7 and the position one-to-one of draw-in groove 10, block 7 blocks into the draw-in groove 10, make fixed lid 5 and sleeve 1 fix together, thereby avoid nut 8 to slide from screw rod 3.
The working principle is as follows: when the expansion pipe is used, a hole with the same diameter as that of the anchor bolt is formed in a fixed object, the anchor bolt is inserted into the hole, the nut 8 is twisted by a wrench, the nut 8 moves towards the inside of the hole along with the screw rod 3, the sleeve 1 is extruded towards the inside of the hole, the expansion pipe 2 moves towards the pipe expansion section 4, the expansion pipe 2 can expand under the extrusion of the nut 8 and the pipe expansion section 4, the diameter is larger than that of the hole, meanwhile, when the sleeve 1 moves towards the inside of the hole, the first extrusion plate 13 and the second extrusion plate 17 slide towards the outside of the sleeve 1 under the action of the screw rod 3, the first fixing rod 14 slides to the bottom of the first limiting groove 12, the second fixing rod 18 slides to the bottom of the second limiting groove 16, the first sliding block 11 and the second sliding block 15 protrude out of the sleeve 1, after the nut 8 is not twisted, the expansion pipe 2 completely covers the pipe expansion pipe section 4, and the first sliding block 11 and the second sliding block 15 reach the maximum distance of protruding out of the sleeve 1, just can stop wrench movement nut 8, under the combined action through expansion pipe 2, first slider 11 and second slider 15, make the crab-bolt can block downtheholely, later cover fixed lid 5, with fixture block 7 card income draw-in groove 10 in, will fix lid 5 and sleeve 1 together to avoid nut 8 to follow the roll-off on screw rod 3, play the anti-loosening effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a locking take off from undercut crab-bolt, concretely relates to baby bears the weight of the device field, includes sleeve (1), its characterized in that: the inner side of the sleeve (1) is connected with a screw rod (3) in a sliding manner, one side of the screw rod (3) is fixedly connected with an expansion pipe section (4), the other side of the screw rod (3) is connected with a nut (8) in a threaded manner, one side of the nut (8) is provided with a gasket (9), one side of the sleeve (1) is provided with an expansion pipe (2), the middle part of the sleeve (1) is provided with a first sliding groove (19) and a second sliding groove (20), the inner part of the first sliding groove (19) is fixedly connected with a first fixing rod (14), the first fixing rod (14) is connected in the first limiting groove (12) in a sliding manner, the first limiting groove (12) is arranged in the first sliding block (11), the inner side of the first sliding block (11) is fixedly connected with a first extrusion plate (13), the inner part of the second sliding groove (20) is fixedly connected with a second fixing rod (18), and the second fixing rod (18) is connected in the second limiting groove (16) in a sliding manner, the second limiting groove (16) is arranged inside the second sliding block (15), and a second extrusion plate (17) is fixedly connected to the inner side of the second sliding block (15).
2. The anti-loosening self-undercutting anchor according to claim 1, wherein: the nut (8) opposite side is provided with fixed lid (5), fixed lid (5) one side is provided with six connecting pieces (6), equal fixedly connected with fixture block (7) in connecting piece (6) one side.
3. The anti-loosening self-undercutting anchor according to claim 1, wherein: six clamping grooves (10) are uniformly formed in the other side surface of the sleeve (1).
4. The anti-loosening self-undercutting anchor according to claim 2, wherein: the positions of the clamping blocks (7) correspond to the positions of the clamping grooves (10) one by one.
5. The anti-loosening self-undercutting anchor according to claim 1, wherein: the inner side of the second extrusion plate (17) is provided with threads, and the inner side surface of the first extrusion plate (13) is provided with threads.
6. The anti-loosening self-undercutting anchor according to claim 1, wherein: the first sliding block (11) is connected inside the first sliding groove (19) in a sliding mode, and the second sliding block (15) is connected inside the second sliding groove (20) in a sliding mode.
7. The anti-loosening self-undercutting anchor according to claim 1, wherein: the middle section of the screw (3) is not provided with threads.
8. The anti-loosening self-undercutting anchor according to claim 1, wherein: the first sliding chute (19) and the second sliding chute (20) are opposite in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121005837.7U CN214617371U (en) | 2021-05-12 | 2021-05-12 | Anti-loosening self-bottom-cutting anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121005837.7U CN214617371U (en) | 2021-05-12 | 2021-05-12 | Anti-loosening self-bottom-cutting anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214617371U true CN214617371U (en) | 2021-11-05 |
Family
ID=78407577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121005837.7U Expired - Fee Related CN214617371U (en) | 2021-05-12 | 2021-05-12 | Anti-loosening self-bottom-cutting anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214617371U (en) |
-
2021
- 2021-05-12 CN CN202121005837.7U patent/CN214617371U/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: 20211105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |