CN213360794U - Self-locking type foundation bolt - Google Patents
Self-locking type foundation bolt Download PDFInfo
- Publication number
- CN213360794U CN213360794U CN202022052360.XU CN202022052360U CN213360794U CN 213360794 U CN213360794 U CN 213360794U CN 202022052360 U CN202022052360 U CN 202022052360U CN 213360794 U CN213360794 U CN 213360794U
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- Prior art keywords
- hole
- nut
- bolt
- self
- pin
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- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model is suitable for the technical field of bolt manufacture, and provides a self-locking foundation bolt, which comprises a bolt, a first nut and a second nut, the bolt is provided with a clamping groove, a first through hole and a placing hole, the first through hole is internally provided with a first limiting block and a second limiting block, a clamping block is arranged in the placing hole, a groove is arranged on the first nut, a pin hole, a connecting hole and a second through hole are arranged in the second nut, a self-locking pin and a spring are arranged in the pin hole, a convex block and a connecting rod are arranged in the connecting hole, a pressing rod is arranged in the second through hole, the second nut is locked by arranging the first limiting block and the second limiting block, the first nut is locked by arranging the self-locking pin, when the machine or the equipment works for a long time, the bolt cannot be influenced due to long-time vibration, and some potential safety hazards are avoided.
Description
Technical Field
The utility model belongs to bolt preparation field especially relates to a from locking-type rag bolt.
Background
Rag bolt is in order to fasten screw member piece of using on concrete foundation such as equipment, generally is used for infrastructures such as railway, highway, electric power enterprise, mill, mine, bridge, tower crane, large-span steel construction and large building, possess stronger stability, but some existing large-scale equipment during operation production vibrations are stronger, and long-time vibrations still can lead to not hard up of bolt, have the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a from locking-type rag bolt aims at solving the problem that prior art exists.
The utility model discloses a realize like this, a from locking-type rag bolt, including bolt, first nut, second nut.
The first nut and the second nut are sleeved on the bolt.
The bolt is close to axial draw-in groove has been seted up to the one end of first nut, the one end that the bolt is close to the second nut is provided with radial first through-hole, first stopper and second stopper have been placed in the first through-hole, first stopper with the one end that the second stopper contacts each other sets up relatively and forms the notch, the bolt is close to the axial hole of placing has been seted up to the one end of first through-hole, it passes to place the hole first through-hole, place downthehole the fixture block of having placed.
The inner side of the first nut is provided with a pin hole, a spring is arranged in the pin hole, one end of the spring is fixedly connected to the inner wall of the pin hole, the other end of the spring is fixedly connected with a self-locking pin, a connecting hole is formed in the inner wall of one side of the pin hole, a connecting pin is arranged in the connecting hole, one end of the connecting pin is hinged to the self-locking pin, a convex block is arranged in the connecting hole and hinged to the connecting pin, a second through hole is formed in one end, far away from the pin hole, of the connecting hole, the second through hole is communicated with the outer surface of the first nut, a pressing rod is arranged in the second through hole, one end of the pressing rod is hinged to the connecting pin, and a part of the other end of.
And a groove matched with the first limiting block and the second limiting block is formed in the inner side of the second nut.
Preferably, the pin hole is perpendicular to the connecting hole, and the second through hole is perpendicular to the connecting hole.
Preferably, the depth of the clamping groove is less than one third of the diameter of the bolt.
Preferably, one end of the pressing rod extending out of the first nut is arc-shaped.
Preferably, one end of the pressing rod extending out of the first nut is sleeved with a rubber pad.
Preferably, a first magnet is arranged in the clamping groove, and a second magnet capable of attracting the first magnet is arranged on the self-locking pin.
Compared with the prior art, the beneficial effects of the utility model are that: through set up on the bolt first nut with the second nut, will first the second nut is unscrewed, will the bolt is placed suitable position, will the second nut is screwed first stopper on the second stopper, the fixture block by place the hole and insert, the fixture block will first stopper with the second stopper backs up, first stopper with the second stopper removes will in the recess the second nut pins, prevents to shake the pine because long-time vibrations will the second nut when machine or equipment are worked.
The pressing rod is pressed when the first nut is screwed, the self-locking pin moves towards the outer surface of the second nut due to the lever principle, the spring is compressed due to stress, the first nut is screwed to a proper position, the pressing rod is loosened, the first nut is screwed slowly, and when the self-locking pin moves to the clamping groove, the self-locking pin is pushed into the clamping groove due to the resilience force of the spring to lock the first nut, so that the first nut is prevented from being loosened due to long-time vibration when a machine or equipment works.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a partial top view of the present invention;
fig. 3 is a top view of a first nut of the present invention;
FIG. 4 is an enlarged view of the structure at the position A of the present invention;
fig. 5 is a top view of a second nut of the present invention;
in the figure: 1-bolt, 11-clamping groove, 12-first through hole, 13-first limiting block, 14-second limiting block, 15-placing hole, 16-clamping block, 2-first nut, 21-pin hole, 22-spring, 23-self-locking pin, 24-connecting hole, 25-connecting pin, 26-lug, 27-second through hole, 3-second nut and 31-groove;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, a self-locking anchor bolt includes a bolt 1, a first nut 2, and a second nut 3.
The first nut 2 and the second nut 3 are sleeved on the bolt 1.
Axial draw-in groove 11 has been seted up to the one end that bolt 1 is close to first nut 2, the one end that bolt 1 is close to second nut 3 is provided with radial first through-hole 12, first stopper 13 and second stopper 14 have been placed in the first through-hole 12, the one end that first stopper 13 and second stopper 14 contacted each other sets up relatively and forms the notch, axial placing hole 15 has been seted up to the one end that bolt 1 is close to first through-hole 12, placing hole 15 and passing first through-hole 12, placing the interior fixture block 16 that has placed of hole 15.
A pin hole 21 is formed in the inner side of the first nut 2, a spring 22 is arranged in the pin hole 21, one end of the spring 22 is fixedly connected to the inner wall of the pin hole 21, a self-locking pin 23 is fixedly connected to the other end of the spring 22, a connecting hole 24 is formed in the inner wall of one side of the pin hole 21, a connecting pin 25 is arranged in the connecting hole 24, one end of the connecting pin 25 is hinged to the self-locking pin 23, a convex block 26 is arranged in the connecting hole 24, the convex block 26 is hinged to the connecting pin 25, a second through hole 27 is formed in one end, far away from the pin hole 21, of the connecting hole 24, the second through hole 27 is communicated with the outer surface of the first nut 2, a pressing rod 28 is arranged in the second through hole 27;
the inner side of the second nut 3 is provided with a groove 31 which is matched with the first stopper 13 and the second stopper 14.
In this embodiment, firstly, the second nut 3 is unscrewed, the bolt 1 is placed at a proper position, the second nut 3 is screwed on the first limiting block 13 and the second limiting block 14, the clamping block 16 is inserted from the placing hole, the clamping block 16 jacks the first limiting block 13 and the second limiting block 14, and the first limiting block 13 and the second limiting block 14 move into the groove 31 to lock the second nut 3.
The pressing rod 28 is pressed when the first nut 2 is screwed, the self-locking pin 23 moves towards the outer surface of the second nut 2 due to the lever principle, the spring 22 is compressed under the stress, the pressing rod 28 is loosened after the first nut 2 is screwed to a proper position, the first nut 2 is screwed slowly, and when the self-locking pin 23 moves to the clamping groove 11, the self-locking pin 23 is pushed into the clamping groove 11 due to the resilience force of the spring 22, and the first nut 2 is locked.
Further, the pin hole 21 is disposed perpendicular to the connection hole 24, and the second through hole 27 is disposed perpendicular to the connection hole 24.
In the present embodiment, since the through holes are vertically arranged, the through holes do not affect the movement of the connecting rods in the through holes when the pressing rods 28 are pressed and released.
Further, the depth of the clamping groove 11 is less than one third of the diameter of the bolt 1.
In the present embodiment, the depth of the locking groove 11 is appropriate, and the function and function of the bolt 1 itself are not affected by the opening of the locking groove 11.
Further, one end of the pressing rod 28 extending out of the first nut 2 is arc-shaped.
In the present embodiment, the arc shape can prevent the portion of the pressing rod 28 that protrudes from the first nut 2 from being scratched when the user uses the first nut.
Furthermore, a rubber pad is sleeved on one end of the pressing rod 28 extending out of the first nut 2.
In the present embodiment, the rubber pad is detachably fixed to the end of the pressing lever 28, so that the user can press the pressing lever 28 with less pressure, and the operation is more convenient.
Furthermore, a first magnet is arranged in the clamping groove 11, and a second magnet capable of attracting the first magnet is arranged on the self-locking pin 23.
In the present embodiment, the self-locking pin 23 and the card slot 11 are magnetically connected, and may be used to assist in fixing the self-locking pin 23 when the spring 22 is damaged or loses its elasticity.
The utility model discloses a theory of operation and use flow: firstly, the second nut 3 is unscrewed, the bolt 1 is placed at a proper position, the second nut 3 is screwed on the first limiting block 13 and the second limiting block 14, the clamping block 16 is inserted through the placing hole, the clamping block 16 jacks the first limiting block 13 and the second limiting block 14, and the first limiting block 13 and the second limiting block 14 move into the groove 31 to lock the second nut 3.
The pressing rod 28 is pressed when the first nut 2 is screwed, the self-locking pin 23 moves towards the outer surface of the second nut 2 due to the lever principle, the spring 22 is compressed under the stress, the pressing rod 28 is loosened after the first nut 2 is screwed to a proper position, the first nut 2 is screwed slowly, and when the self-locking pin 23 moves to the clamping groove 11, the self-locking pin 23 is pushed into the clamping groove 11 due to the resilience force of the spring 22, and the first nut 2 is locked.
Due to the vertical arrangement between the through holes, the through holes do not affect the movement of the connecting rods in the through holes when the pressing rods 28 are pressed and released.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A self-locking type foundation bolt is characterized in that: comprises a bolt (1), a first nut (2) and a second nut (3);
the first nut (2) and the second nut (3) are sleeved on the bolt (1);
an axial clamping groove (11) is formed in one end, close to the first nut (2), of the bolt (1), a radial first through hole (12) is formed in one end, close to the second nut (3), of the bolt (1), a first limiting block (13) and a second limiting block (14) are placed in the first through hole (12), one ends, in mutual contact, of the first limiting block (13) and the second limiting block (14) are oppositely arranged to form a notch, an axial placing hole (15) is formed in one end, close to the first through hole (12), of the bolt (1), the placing hole (15) penetrates through the first through hole (12), and a clamping block (16) is placed in the placing hole (15);
a pin hole (21) is formed in the inner side of the first nut (2), a spring (22) is arranged in the pin hole (21), one end of the spring (22) is fixedly connected to the inner wall of the pin hole (21), a self-locking pin (23) is fixedly connected to the other end of the spring (22), a connecting hole (24) is formed in the inner wall of one side of the pin hole (21), a connecting pin (25) is arranged in the connecting hole (24), one end of the connecting pin (25) is hinged to the self-locking pin (23), a convex block (26) is arranged in the connecting hole (24), the convex block (26) is hinged to the connecting pin (25), a second through hole (27) is formed in one end, far away from the pin hole (21), of the connecting hole (24), the second through hole (27) is communicated with the outer surface of the first nut (2), and a pressing rod (28) is arranged in the, one end of the pressing rod (28) is hinged with the connecting pin (25), and a part of the other end of the pressing rod (28) extends to the outer side of the first nut (2);
and a groove (31) matched with the first limiting block (13) and the second limiting block (14) is formed in the inner side of the second nut (3).
2. The self-locking anchor bolt of claim 1, wherein: the pin hole (21) and the connecting hole (24) are vertically arranged, and the second through hole (27) and the connecting hole (24) are vertically arranged.
3. The self-locking anchor bolt of claim 1, wherein: the depth of the clamping groove (11) is less than one third of the diameter of the bolt (1).
4. The self-locking anchor bolt of claim 1, wherein: one end of the pressing rod (28) extending out of the first nut (2) is arc-shaped.
5. The self-locking anchor bolt of claim 1, wherein: one end, extending out of the first nut (2), of the pressing rod (28) is sleeved with a rubber pad.
6. The self-locking anchor bolt of claim 1, wherein: a first magnet is arranged in the clamping groove (11), and a second magnet capable of attracting the first magnet is arranged on the self-locking pin (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052360.XU CN213360794U (en) | 2020-09-17 | 2020-09-17 | Self-locking type foundation bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052360.XU CN213360794U (en) | 2020-09-17 | 2020-09-17 | Self-locking type foundation bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360794U true CN213360794U (en) | 2021-06-04 |
Family
ID=76154056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022052360.XU Expired - Fee Related CN213360794U (en) | 2020-09-17 | 2020-09-17 | Self-locking type foundation bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360794U (en) |
-
2020
- 2020-09-17 CN CN202022052360.XU patent/CN213360794U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |