CN212985757U - Bolt for improving connection stability - Google Patents
Bolt for improving connection stability Download PDFInfo
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- CN212985757U CN212985757U CN202021906767.8U CN202021906767U CN212985757U CN 212985757 U CN212985757 U CN 212985757U CN 202021906767 U CN202021906767 U CN 202021906767U CN 212985757 U CN212985757 U CN 212985757U
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- screw rod
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- connecting pin
- bolt
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Abstract
The application relates to the field of non-standard bolts, in particular to a bolt for improving connection stability, which comprises a head, a screw rod and a first nut matched with the screw rod, wherein one end of the screw rod is fixedly connected with the head; the screw rod is provided with a plurality of first pin holes, the first pin holes are uniformly distributed along the length direction of the screw rod, the axis of each first pin hole is perpendicular to the axis of the screw rod, a first connecting pin penetrates through each first pin hole, and the length of each first connecting pin is greater than that of each first pin hole; when using the screw to fix two blocks of panels, first connecting pin meeting panel is connected for two blocks of panels can't carry out relative rotation, can realize using single bolt to fix two blocks of panels, and can prevent that two blocks of panels from taking place relative rotation.
Description
Technical Field
The application relates to the field of non-standard bolts, in particular to a bolt for improving connection stability.
Background
When it is desired to secure one sheet to another, it is often secured using bolts. The use of bolts to secure panels typically requires drilling bolt holes through the panel, inserting the bolts into the bolt holes, and threading nuts onto the bolts. But when using a bolt to fix panel, can take place relative rotation between two panels, consequently, can not take place relative rotation for guaranteeing two panels, promote fixed stability, just need use a plurality of bolts to fix the different positions of panel.
However, when the plurality of bolts are used for fixing the plate, a plurality of bolt holes need to be drilled in the plate, and the more the number of the drilled holes in the plate is, the more the integrity of the plate is damaged, the strength of the plate is reduced, and the normal use of the plate is affected.
SUMMERY OF THE UTILITY MODEL
Can fix two blocks of panels in order to realize using single bolt to can prevent that two blocks of panels from taking place relative rotation, this application provides a promote connection stability's bolt.
The application provides a promote bolt of connection stability adopts following technical scheme:
a bolt for improving connection stability comprises a head, a screw and a first nut matched with the screw, wherein one end of the screw is fixedly connected with the head; the screw rod is provided with a plurality of first pin holes which are uniformly distributed along the length direction of the screw rod, the axis of each first pin hole is perpendicular to the axis of the screw rod, a first connecting pin penetrates through each first pin hole, and the length of each first connecting pin is larger than that of each first pin hole.
Through adopting above-mentioned technical scheme, when fixing two blocks of panels, at first drill out the through-hole on panel to set up the passageway that supplies the connecting pin to remove on the through-hole inner wall, insert the screw rod to the through-hole afterwards, and make the screw rod wear to establish simultaneously on two blocks of panels, first connecting pin this moment can with lead to groove looks joint, two blocks of panels can't carry out relative rotation, can realize using single bolt to fix two blocks of panels, and can prevent that two blocks of panels from taking place relative rotation.
Preferably, chamfers are arranged at the edges of the two ends of the inner wall of the first pin hole.
Through adopting above-mentioned technical scheme, the setting of chamfer can be convenient for the staff and inject first connecting pin in the first round pin hole, and the staff of being convenient for uses.
Preferably, the first pin hole is a threaded hole, an external thread matched with the first pin hole is arranged on the side wall of the first connecting pin, and a long strip-shaped groove is formed in one end of the first connecting pin.
Through adopting above-mentioned technical scheme, first connecting pin can be directly with screw rod threaded connection, can effectively promote the stability of being connected between first connecting pin and the screw rod, consequently, when the bolt is fixed panel, can promote the stability that panel connects.
Preferably, the external thread is located at the center of the side wall of the first connecting pin in the length direction, and the length of the external thread is the same as that of the first pin hole; and two ends of the side wall of the first connecting pin are both provided with polished rods.
Through adopting above-mentioned technical scheme, first connecting pin lateral wall both ends all set up to the polished rod, consequently, when first connecting pin is connected with panel, have enough big area of contact between first connecting pin and the panel to stability when promoting the panel and fixing.
Preferably, both end surfaces of the first connecting pin in the length direction are hemispherical surfaces, and both end surfaces of the first connecting pin protrude to one side away from the center position of the first connecting pin in the length direction.
When round pin and panel are connected, can leave certain gap between first connecting pin tip and the panel all the time, can reduce the frictional force between first connecting pin and the panel to a certain extent to inside the staff inserts bolt and first connecting pin through-hole on the panel.
Preferably, the screw includes a threaded portion and a polish rod portion, the polish rod portion being located between the threaded portion and the head portion.
Through adopting above-mentioned technical scheme, when the bolt was fixed panel, panel can be located polished rod portion to polished rod portion can promote the contact surface between screw rod and the panel and connect, promotes the bolt and to the fixed stability of panel.
Preferably, one end of the screw rod, which is far away from the head, is fixedly connected with a connecting block, the connecting block is arranged in a cylindrical shape, the connecting block and the screw rod are coaxially arranged, and threads are arranged on the side wall of the connecting block; the connecting block is provided with a second nut in a threaded fit mode, one end, facing the screw, of the second nut is fixedly connected with a butt sleeve, the butt sleeve is arranged on the screw, and one end, far away from the second nut, of the butt sleeve is in butt joint with the first nut.
Through adopting above-mentioned technical scheme, when the second nut was twisted on the connecting block, the butt cover can with first nut looks butt, can prevent that first nut from taking place the effect that the pine takes off, promotes bolted connection's stability.
Preferably, a second pin hole is formed in the connecting block, and the second pin hole is located on one side, back to the screw, of the second nut; and a second connecting pin is arranged in the second pin hole, and two ends of the second connecting pin extend to the outer side of the second pin hole.
Through adopting above-mentioned technical scheme, after twisting the second nut on the connecting block, inject the second connecting pin into the second pinhole, the second connecting pin can play locking effect to the second nut this moment to indirectly prevent that first nut from taking place the pine and taking off, guarantee bolted connection's stability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the two plates are fixed by the screw, the plates are connected by the first connecting pin, so that the two plates cannot rotate relatively, the two plates can be fixed by a single bolt, and the two plates can be prevented from rotating relatively;
2. the first connecting pin can be directly in threaded connection with the screw rod, so that the connection stability between the first connecting pin and the screw rod can be effectively improved; both ends of the side wall of the first connecting pin are provided with polished rods, so that a large enough contact area between the first connecting pin and the plate can be ensured, and the bolt connection stability is improved;
3. the one end fixedly connected with connecting block of head is kept away from to the screw rod to screw-thread fit has the second nut on the connecting block, and the second nut is towards the one end fixedly connected with butt cover of screw rod, and when the second nut was twisted on the connecting block, the butt cover can with first nut looks butt, can prevent that first nut from taking place the effect that the pine takes off, promotes bolted connection's stability.
Drawings
FIG. 1 is a schematic view of a bolt;
fig. 2 is a structure for showing the first connecting pin and the abutment sleeve.
In the drawings, the reference numbers: 1. a head portion; 2. a screw; 21. a light bar section; 22. a threaded portion; 3. a first nut; 4. a first connecting pin; 5. connecting blocks; 51. a second connecting pin; 6. a second nut; 61. and a butting sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses promote bolt of connection stability. Referring to fig. 1, the bolt includes a head 1, a screw rod 2, and a first nut 3 engaged with the screw rod 2, and one end of the screw rod 2 is fixedly connected to the head 1. A plurality of first pinholes have been seted up on the screw rod 2, and a plurality of first pinholes are along 2 length direction evenly distributed of screw rod to the axis of first pinhole is perpendicular with the axis of screw rod 2. First connecting pin 4 is arranged in the first pin hole in a penetrating mode, and two ends of first connecting pin 4 extend to the outer side of the first pin hole. When fixing two blocks of panels, at first drill out the through-hole on panel to set up the passageway that supplies the connecting pin to remove on the through-hole inner wall, from this, when screw rod 2 wears to establish simultaneously on two blocks of panels, first connecting pin 4 can with lead to groove looks joint, two blocks of panels can't carry out relative rotation this moment, thereby guarantee the stability between two blocks of panels. And finally, screwing the first nut 3 on the screw rod 2 to fix the two plates.
Referring to fig. 1, the screw 2 comprises a threaded portion 22 and a polished rod portion 21, the polished rod portion 21 is located between the threaded portion 22 and the head portion 1, and the polished rod portion 21 is arranged to effectively increase the contact area between the bolt and the plate material, so that the bolt connection stability of the plate material is improved.
Referring to fig. 2, chamfers are formed at both ends of the side wall of the first pin hole so as to insert the first connecting pin 4 into the first pin hole. First pinhole sets up to the screw hole, and 4 lateral walls of first connecting pin are provided with the external screw thread with first pinhole threaded connection, and from this, first connecting pin 4 and 2 threaded connection of screw rod can effectively promote the stability of being connected between first connecting pin 4 and the screw rod 2, make the difficult emergence of first connecting pin 4 rock. One end of the first connecting pin 4 is provided with a groove, and a worker can use a screwdriver to screw the first connecting pin 4 through the groove, so that the operation of the worker is facilitated.
Referring to fig. 2, the external thread is located at the center in the length direction of the first connecting pin 4, and the length of the external thread is the same as the length of the first pin hole. Both ends of the side wall of the first connecting pin 4 are polished rod-shaped, so that a sufficient contact area between the first connecting pin 4 and the plate can be ensured, and the connection stability of the first connecting pin 4 and the plate is improved. Both end surfaces of the first connecting pin 4 are hemispherical, and both end surfaces of the first connecting pin 4 are convex in the direction away from the center of the first connecting pin 4.
Referring to fig. 1 and 2, one end of the screw rod 2 far away from the head 1 is fixedly connected with a cylindrical connecting block 5, and the axis of the connecting block 5 coincides with the axis of the screw rod 2. The side wall of the connecting block 5 is provided with threads and is matched with a second nut 6. Second nut 6 is towards the one end fixedly connected with butt cover 61 of screw rod 2, and butt cover 61 cover is established on screw rod 2, and when screwing up second nut 6, the butt cover 61 one end of first nut 3 dorsad can with 3 looks butt of first nut, can play the effect that prevents 3 pine of first nut and take off, guarantees the stability that panel connects.
Referring to fig. 1 and 2, the connecting block 5 is further provided with a second pin hole, and an axis of the second pin hole is perpendicular to an axis of the connecting block 5. The second pin hole is internally provided with a second connecting pin 51 at one side of the second nut 6 back to the screw rod 2, two ends of the second connecting pin 51 extend to the outer side of the second pin hole, and the second connecting pin 51 can play a role in preventing looseness of the second nut 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a promote bolt of connection stability, includes head (1), screw rod (2) and with screw rod (2) complex first nut (3), its characterized in that: one end of the screw rod (2) is fixedly connected with the head part (1); a plurality of first pin holes are formed in the screw rod (2), the first pin holes are evenly distributed along the length direction of the screw rod (2), the axis of each first pin hole is perpendicular to the axis of the screw rod (2), a first connecting pin (4) penetrates through each first pin hole, and the length of each first connecting pin (4) is larger than that of each first pin hole.
2. The bolt for improving the connection stability according to claim 1, wherein: chamfers are arranged at the edges of two ends of the inner wall of the first pin hole.
3. The bolt for improving the connection stability according to claim 1, wherein: the first pin hole is a threaded hole, an external thread matched with the first pin hole is arranged on the side wall of the first connecting pin (4), and a long-strip-shaped groove is formed in one end of the first connecting pin (4).
4. A bolt for improving connection stability according to claim 3, wherein: the external thread is positioned at the center of the side wall of the first connecting pin (4) in the length direction, and the length of the external thread is the same as that of the first pin hole; and two ends of the side wall of the first connecting pin (4) are both provided with polished rods.
5. A bolt for improving connection stability according to claim 3, wherein: the two end faces of the first connecting pin (4) in the length direction are both hemispherical faces, and the two end faces of the first connecting pin (4) are protruded towards one side far away from the center of the first connecting pin (4) in the length direction.
6. The bolt for improving the connection stability according to claim 1, wherein: the screw (2) comprises a thread part (22) and a polish rod part (21),
the polished rod part (21) is located between the threaded part (22) and the head part (1).
7. The bolt for improving the connection stability according to claim 1, wherein: one end, far away from the head (1), of the screw rod (2) is fixedly connected with a connecting block (5), the connecting block (5) is arranged in a cylindrical shape, the connecting block (5) and the screw rod (2) are coaxially arranged, and threads are arranged on the side wall of the connecting block (5); threaded fit has second nut (6) on connecting block (5), second nut (6) are towards one end fixedly connected with butt sleeve (61) of screw rod (2), butt sleeve (61) cover is established on screw rod (2), the one end and the first nut (3) looks butt that second nut (6) were kept away from to butt sleeve (61).
8. The bolt for improving the connection stability according to claim 7, wherein: a second pin hole is formed in the connecting block (5), and the second pin hole is located on one side, back to the screw rod (2), of the second nut (6); and a second connecting pin (51) is arranged in the second pin hole, and two ends of the second connecting pin (51) extend to the outer side of the second pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021906767.8U CN212985757U (en) | 2020-09-03 | 2020-09-03 | Bolt for improving connection stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021906767.8U CN212985757U (en) | 2020-09-03 | 2020-09-03 | Bolt for improving connection stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985757U true CN212985757U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021906767.8U Active CN212985757U (en) | 2020-09-03 | 2020-09-03 | Bolt for improving connection stability |
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| CN (1) | CN212985757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113673048A (en) * | 2021-08-04 | 2021-11-19 | 一汽解放汽车有限公司 | Bolt and design method thereof |
-
2020
- 2020-09-03 CN CN202021906767.8U patent/CN212985757U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113673048A (en) * | 2021-08-04 | 2021-11-19 | 一汽解放汽车有限公司 | Bolt and design method thereof |
| CN113673048B (en) * | 2021-08-04 | 2024-04-09 | 一汽解放汽车有限公司 | Bolt Design Method |
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