CN213235768U - High-strength twisted hole fastening bolt - Google Patents
High-strength twisted hole fastening bolt Download PDFInfo
- Publication number
- CN213235768U CN213235768U CN202022068715.4U CN202022068715U CN213235768U CN 213235768 U CN213235768 U CN 213235768U CN 202022068715 U CN202022068715 U CN 202022068715U CN 213235768 U CN213235768 U CN 213235768U
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- Prior art keywords
- nut
- fixedly connected
- rod
- fastening bolt
- movable
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- Expired - Fee Related
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- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of bolts, and a high strength hank system hole fastening bolt is disclosed, including screw rod, polished rod and nut, the one end and the nut fixed connection of polished rod, the other end and the screw rod fixed connection of polished rod, the fixed pipe of one end fixedly connected with of nut is kept away from to the screw rod, the activity groove has been seted up to the symmetry on the fixed pipe wall, the one end of screw rod is seted up with the groove of accomodating that the activity groove communicates mutually, it is equipped with the fly leaf, two to accomodate the inslot symmetry common fixedly connected with spring on the lateral wall that the fly leaf is in opposite directions, one side fixedly connected with movable rod of spring is kept away from to the fly leaf, the other end of movable rod passes the fixed pipe. The utility model discloses can be with stable the fixing on hank system hole fastening bolt of nut, avoid bolt and nut to be simple threaded connection only, lead to the nut to break away from the bolt easily for hank system hole fastening bolt connects fixed effect better.
Description
Technical Field
The utility model relates to a bolt technical field especially relates to a high strength hank system hole fastening bolt.
Background
The common bolt can bear transverse and axial loads, but the transverse load bearing method mainly depends on friction force caused by pre-tightening torque, the reamed hole bolt can also bear transverse and axial loads, the transverse load bearing method depends on the shear strength of the bolt, the transverse bearing capacity of the reamed hole bolt is far higher than that of the common bolt, and the axial bearing capacity of the reamed hole bolt is the same as that of the common bolt. But the connection structure of the existing twisted hole fastening bolt and the nut is simpler and is only simple in threaded connection, so that the nut is easily separated from the bolt, and the connection and fixing effect of the twisted hole fastening bolt is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the nut breaks away from the bolt easily in the connection structure of the reaming hole fastening bolt and the nut in the prior art, and providing a high-strength reaming hole fastening bolt.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-strength twisted hole fastening bolt comprises a screw rod, a polished rod and a nut, wherein one end of the polished rod is fixedly connected with the nut, the other end of the polish rod is fixedly connected with a screw rod, one end of the screw rod, which is far away from the screw cap, is fixedly connected with a fixed pipe, the wall of the fixed pipe is symmetrically provided with movable grooves, one end of the screw rod is provided with a containing groove communicated with the movable grooves, the containing groove is internally and symmetrically provided with movable plates, the opposite side walls of the two movable plates are fixedly connected with springs together, one side of the movable plate, which is far away from the spring, is fixedly connected with a movable rod, the other end of the movable rod penetrates through the opening of the fixed pipe and extends outwards, and the fixed connection has an internal thread section of thick bamboo, internal thread section of thick bamboo female connection has the screw, one side fixedly connected with of fly leaf is kept away from the polished rod presses the board, the other end that presses the board passes the activity groove notch and outwards extends.
Preferably, T type spout has been seted up to the groove bottom of holding the groove, symmetrical sliding connection has T type slider in the T type spout, the one end that the polished rod was kept away from to T type slider passes T type spout notch and extends to holding the inslot, and fixed connection is on the fly leaf.
Preferably, a backing ring is fixedly sleeved on the wall of the polish rod, and the backing ring is fixedly connected to the screw cap.
Preferably, one side of the screw cap, which is far away from the screw rod, is fixedly connected with a connecting block, and the other side of the connecting block is provided with a cross-shaped groove.
Preferably, the movable plate is provided with a positioning groove, the wall of the accommodating groove is fixedly connected with a positioning block, and the positioning block is connected with the positioning groove in a sliding manner.
Preferably, a reinforcing rib is fixedly connected between the connecting block and the screw cap, and the cross section of the reinforcing rib is a right-angled triangle.
Compared with the prior art, the utility model provides a high strength hank system hole fastening bolt possesses following beneficial effect:
the high-strength twisted hole fastening bolt is characterized in that a screw rod, a polished rod, a nut, a fixed pipe, a movable groove, a containing groove, a movable plate, a spring, a movable rod, an internal thread cylinder, a screw and pressing plates are arranged, when the twisted hole fastening bolt is required to be used, the screw is rotated to be separated from the internal thread cylinder, the two pressing plates are pressed to move in opposite directions, the two movable plates are driven to move in the containing groove, the spring is compressed, the movable plate drives the movable rod to move, the two internal thread cylinders move in opposite directions, the screw rod can penetrate through a fixed hole of a required fixture, the nut is screwed on the screw rod, the force on the pressing plates is cancelled, the spring recovers and rebounds the movable plates, the internal thread cylinders are arranged on two sides of one end of the screw rod, the screw is screwed into the internal thread cylinder, one end of the screw is abutted against one side of the nut, the nut is abutted against the required fixture, and the nut can be stably fixed on the twisted, the bolt and the nut are prevented from being only connected through simple threads, so that the nut is easily separated from the bolt, and the connection and fixation effects of the reaming fastening bolt are better.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can be with the stable fixing of nut on hank system hole fastening bolt, avoid screw bolt and nut to be simple threaded connection only, lead to the nut to break away from the bolt easily for hank system hole fastening bolt connects fixed effect better.
Drawings
Fig. 1 is a schematic structural view of a high-strength twisted hole fastening bolt provided by the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1 screw rod, 2 polished rods, 3 screw caps, 4 fixed pipes, 5 movable grooves, 6 accommodating grooves, 7 movable plates, 8 springs, 9 movable rods, 10 internal thread cylinders, 11 screws, 12 pressing plates, 13T-shaped sliding grooves, 14T-shaped sliding blocks, 15 backing rings, 16 connecting blocks, 17 positioning grooves, 18 positioning blocks and 19 reinforcing ribs.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being 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.
Referring to fig. 1-2, a high-strength stranded hole fastening bolt comprises a screw rod 1, a polish rod 2 and a nut 3, wherein one end of the polish rod 2 is fixedly connected with the nut 3, the other end of the polish rod 2 is fixedly connected with the screw rod 1, one end of the screw rod 1 far away from the nut 3 is fixedly connected with a fixed tube 4, the wall of the fixed tube 4 is symmetrically provided with movable grooves 5, one end of the screw rod 1 is provided with a containing groove 6 communicated with the movable grooves 5, movable plates 7 are symmetrically arranged in the containing groove 6, the opposite side walls of the two movable plates 7 are fixedly connected with a spring 8 together, one side of the movable plate 7 far away from the spring 8 is fixedly connected with a movable rod 9, the other end of the movable rod 9 passes through the orifice of the fixed tube 4 and extends outwards, an internal thread cylinder 10 is fixedly connected with an internal thread screw 11, one side of the movable, the other end of the pressing plate 12 penetrates through the notch of the movable groove 5 and extends outwards, when the twisted hole fastening bolt needs to be used, the screw 11 is rotated to be separated from the internal thread cylinder 10, the two pressing plates 12 are pressed to move oppositely to drive the two movable plates 7 to move in the accommodating groove 6, the spring 8 is compressed, the movable plates 7 drive the movable rods 9 to move, the two internal thread cylinders 10 move oppositely, the screw 1 can penetrate through the fixing hole of a needed fixed object, then the nut is screwed on the screw 1, the force on the pressing plates 12 is cancelled, the spring 8 recovers and rebounds the movable plates 7 to the original position, the internal thread cylinders 10 are placed on the two sides of one end of the screw 1, then the screw 11 is screwed into the internal thread cylinders 10, one end of the screw 11 is abutted against one side of the nut, and the nut is abutted against the needed fixed object.
The wall of the polish rod 2 is fixedly sleeved with a backing ring 15, and the backing ring 15 is fixedly connected to the nut 3, so that an interval exists between the nut 3 and a required fixture, and the bolt can be conveniently detached by tools such as a wrench.
One side fixedly connected with connecting block 16 that screw rod 1 was kept away from to nut 3, the opposite side of connecting block 16 is equipped with cross recess for this bolt can be dismantled through the screwdriver, avoids this bolt erection fixation in corner department and the use of inconvenient spanner.
The movable plate 7 is provided with a positioning groove 17, the wall of the accommodating groove 6 is fixedly connected with a positioning block 18, and the positioning block 18 is connected with the positioning groove 17 in a sliding manner, so that the movable plate 7 can be positioned.
Fixedly connected with strengthening rib 19 between connecting block 16 and nut 3, the cross section of strengthening rib 19 is right triangle-shaped, has increased connecting strength of connecting block 16 and nut 3.
In the utility model, when the twisted hole fastening bolt is needed, the screw 11 is rotated to separate from the internal thread cylinder 10, two pressing plates 12 are pressed to move in opposite directions to drive two movable plates 7 to move in the accommodating groove 6, so that the spring 8 is compressed, the movable plates 7 drive the movable rod 9 to move, so that the two internal thread cylinders 10 move in opposite directions, the screw 1 can pass through the fixed hole of the needed fixed object, then the nut is screwed on the screw 1, the force for pressing the plates 12 is cancelled, the spring 8 recovers and rebounds the movable plates 7 to the original position, so that the internal thread cylinders 10 are arranged at two sides of one end of the screw 1, then the screw 11 is screwed into the internal thread cylinder 10, so that one end of the screw 11 is abutted against one side of the nut, the nut is tightly fastened with the needed fixed object, the nut can be stably fixed on the twisted hole fastening bolt, and the screw nut is prevented from being simply connected by screw threads, the nut is easy to separate from the bolt, so that the connection and fixation effects of the reamed hole fastening bolt are better.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A high-strength stranded hole fastening bolt comprises a screw rod (1), a polished rod (2) and a nut (3), and is characterized in that one end of the polished rod (2) is fixedly connected with the nut (3), the other end of the polished rod (2) is fixedly connected with the screw rod (1), one end of the screw rod (1), far away from the nut (3), is fixedly connected with a fixed pipe (4), the pipe wall of the fixed pipe (4) is symmetrically provided with movable grooves (5), one end of the screw rod (1) is provided with an accommodating groove (6) communicated with the movable grooves (5), movable plates (7) are symmetrically arranged in the accommodating groove (6), two opposite side walls of the movable plates (7) are fixedly connected with springs (8) together, one side of the movable plates (7), far away from the springs (8), is fixedly connected with a movable rod (9), and the other end of the movable rod (9) penetrates through the pipe orifice of the fixed pipe (4) and extends outwards, and fixedly connected with an internal thread cylinder (10), the internal thread of the internal thread cylinder (10) is connected with a screw (11), one side of the movable plate (7) far away from the polish rod (2) is fixedly connected with a pressing plate (12), and the other end of the pressing plate (12) penetrates through the notch of the movable groove (5) and extends outwards.
2. The high-strength stranded hole fastening bolt according to claim 1, wherein a T-shaped sliding groove (13) is formed at the bottom of the receiving groove (6), T-shaped sliding blocks (14) are symmetrically and slidably connected in the T-shaped sliding groove (13), one end of each T-shaped sliding block (14), which is far away from the polish rod (2), penetrates through the notch of the T-shaped sliding groove (13), extends into the receiving groove (6), and is fixedly connected to the movable plate (7).
3. A high strength stranded hole fastening bolt according to claim 1, wherein a backing ring (15) is fixedly secured to the wall of said polish rod (2), said backing ring (15) being fixedly secured to said nut (3).
4. The high-strength stranded hole fastening bolt according to claim 1, characterized in that one side of the nut (3) away from the screw (1) is fixedly connected with a connecting block (16), and the other side of the connecting block (16) is provided with a cross-shaped groove.
5. The high-strength stranded hole fastening bolt according to claim 1, wherein the movable plate (7) is provided with a positioning groove (17), a positioning block (18) is fixedly connected to the wall of the accommodating groove (6), and the positioning block (18) is slidably connected with the positioning groove (17).
6. The high-strength stranded hole fastening bolt according to claim 4, characterized in that a reinforcing rib (19) is fixedly connected between the connecting block (16) and the nut (3), and the cross section of the reinforcing rib (19) is a right triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068715.4U CN213235768U (en) | 2020-09-21 | 2020-09-21 | High-strength twisted hole fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068715.4U CN213235768U (en) | 2020-09-21 | 2020-09-21 | High-strength twisted hole fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235768U true CN213235768U (en) | 2021-05-18 |
Family
ID=75876769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022068715.4U Expired - Fee Related CN213235768U (en) | 2020-09-21 | 2020-09-21 | High-strength twisted hole fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685415A (en) * | 2021-08-20 | 2021-11-23 | 宁波九龙紧固件制造有限公司 | Flexible high-strength bolt and production process thereof |
-
2020
- 2020-09-21 CN CN202022068715.4U patent/CN213235768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685415A (en) * | 2021-08-20 | 2021-11-23 | 宁波九龙紧固件制造有限公司 | Flexible high-strength bolt and production process thereof |
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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: 20210518 |