CN219932674U - Anti-loosening wood screw - Google Patents
Anti-loosening wood screw Download PDFInfo
- Publication number
- CN219932674U CN219932674U CN202320982833.7U CN202320982833U CN219932674U CN 219932674 U CN219932674 U CN 219932674U CN 202320982833 U CN202320982833 U CN 202320982833U CN 219932674 U CN219932674 U CN 219932674U
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- CN
- China
- Prior art keywords
- slot
- screw
- sides
- groove
- auxiliary
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- 239000002023 wood Substances 0.000 title claims abstract description 21
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 241000587161 Gomphocarpus Species 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Joining Of Building Structures In Genera (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model discloses a locking wood screw which comprises a screw body and an auxiliary inserting block, wherein a screw tip is arranged at one end of the screw body, a screw head is arranged at the other end of the screw body, a drilling thread is arranged on the screw body, a sinking groove is formed in the top of the screw head, sliding grooves are radially formed in two sides of the screw head, a slot communicated with the sliding grooves is axially formed in the center of the sinking groove, the two sliding grooves are symmetrically arranged on two sides of the slot, an inserting rod is slidably arranged in the sliding groove, a blade part is arranged at one end of the inserting rod, far away from the slot, of the inserting rod, a first inclined surface is arranged at one side, close to the slot, of the inserting rod, a second inclined surface matched with the first inclined surface is arranged at two sides of the auxiliary inserting block, and a magnet sheet is arranged at one end, close to the slot, of the inserting rod. According to the utility model, the protruding inserted rod is arranged in the nail head, after the screw is installed, the auxiliary inserted block is inserted into the slot to drive the inserted rod to slide outwards, so that the blade part of the inserted rod is inserted into the wood components around the counter bore, the fastening effect of the screw is enhanced, and the screw is prevented from loosening.
Description
[ field of technology ]
The utility model relates to the technical field of fasteners, in particular to the technical field of screws.
[ background Art ]
The wood screw is used for the fixed connection of the wood component, and the screw body and the screw tip of the wood screw are provided with drilling threads for screwing in the wood component, so that the wood screw is very convenient to use. However, after the wood screw is screwed into the wood member, loosening phenomenon is easy to occur after a period of time, and the fastening effect is affected.
[ utility model ]
The utility model aims to solve the problems in the prior art and provides a locking wood screw which can prevent the screw from loosening.
In order to achieve the above purpose, the utility model provides a locking wood screw, which comprises a screw body and an auxiliary insert block, wherein one end of the screw body is provided with a screw tip, the other end of the screw body is provided with a screw head, the screw body is provided with a drilling thread, the top of the screw head is provided with a sinking groove, two sides of the screw head are radially provided with sliding grooves, the center of the sinking groove is axially provided with a slot communicated with the sliding grooves, the two sliding grooves are symmetrically arranged at two sides of the slot, an insert rod is slidably arranged in the sliding groove, one end of the insert rod, which is far away from the slot, is provided with a blade part, one side of the insert rod, which is close to the slot, is provided with a first inclined plane, two sides of the auxiliary insert block are provided with second inclined planes matched with the first inclined planes, and one end, which is close to the slot, of the insert rod is provided with a magnet sheet.
Preferably, the center of the nail body is axially provided with a containing groove which is communicated with the slot, the side surface of the nail body is radially provided with a plurality of chip removal grooves, and the chip removal grooves are communicated with the containing groove.
Preferably, a positioning sheet is convexly arranged in the middle of the bottom of the auxiliary insertion block.
Preferably, a positioning groove matched with the positioning piece is connected to the bottom of the slot.
Preferably, the head of the auxiliary plug is in interference fit with the slot, the top end of the head of the auxiliary plug protrudes out of the slot, and clamping grooves are formed in two sides of the top end.
Preferably, the countersunk grooves are straight grooves or cross grooves.
The utility model has the beneficial effects that: according to the utility model, the protruding inserted rod is arranged in the nail head, after the screw is installed, the auxiliary inserted block is inserted into the slot to drive the inserted rod to slide outwards, so that the blade part of the inserted rod is inserted into the wood components around the counter bore, the fastening effect of the screw is enhanced, and the screw is prevented from loosening.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of embodiment 1;
FIG. 2 is an installation schematic of embodiment 1;
FIG. 3 is an installation schematic of embodiment 2;
fig. 4 is a schematic illustration of the installation of the bayonet of the present utility model.
In the figure: 1-nail body, 2-nail point, 3-nail head, 4-inserted bar, 5-auxiliary inserted block, 6-locating piece, 11-accommodation groove, 12-chip groove, 31-sinking groove, 32-chute, 33-slot, 51-second inclined plane, 61-locating groove.
[ detailed description ] of the utility model
Example 1:
referring to fig. 1 and 2, the anti-loosening wood screw comprises a screw body 1 and an auxiliary plug block 5, wherein a screw tip 2 is arranged at one end of the screw body 1, a screw head 3 is arranged at the other end of the screw body 1, a drilling thread is arranged on the screw body 1, a sinking groove 31 is formed in the top of the screw head 3, sliding grooves 32 are radially formed in two sides of the screw head 3, a slot 33 communicated with the sliding grooves 32 is axially formed in the center of the sinking groove 31, the two sliding grooves 32 are symmetrically arranged on two sides of the slot 33, a plug rod 4 is slidably mounted in the sliding grooves 32, a blade 41 is arranged at one end of the plug rod 4 far away from the slot 33, a first inclined surface 42 is arranged at one side of the plug rod 4 close to the slot 33, a second inclined surface 51 matched with the first inclined surface 42 is arranged at two sides of the auxiliary plug block 5, a magnet piece 43 is arranged at one end of the plug rod 4 close to the slot 33, a locating piece 6 is convexly arranged at the middle of the bottom of the auxiliary plug block 5, a locating piece 61 matched with the locating piece 6 is connected to the bottom of the slot 33, the head of the auxiliary plug block 5 is matched with the slot 33, the auxiliary plug block 5 is enabled to be fixed on the two sides of the slot 33, the plug block 5 is enabled to be fixed on the top of the slot 33, the plug block 5 is enabled to be protruded out of the top of the plug block through the auxiliary plug block 33, and the plug block can be clamped by the aid tool when the plug block is arranged on the two sides.
Example 2:
referring to fig. 3 and 4, the anti-loosening wood screw comprises a screw body 1 and an auxiliary insert block 5, wherein a nail tip 2 is arranged at one end of the screw body 1, a nail head 3 is arranged at the other end of the screw body 1, a drilling thread is arranged on the screw body 1, a sinking groove 31 is formed in the top of the nail head 3, sliding grooves 32 are radially formed in two sides of the nail head 3, a slot 33 communicated with the sliding grooves 32 is axially formed in the center of the sinking groove 31, two sliding grooves 32 are symmetrically arranged on two sides of the slot 33, an insert rod 4 is slidably mounted in the sliding grooves 32, a blade 41 is arranged at one end of the insert rod 4 away from the slot 33, a first inclined surface 42 is arranged at one side of the insert rod 4 close to the slot 33, a second inclined surface 51 matched with the first inclined surface 42 is arranged at two sides of the auxiliary insert block 5, a magnet piece 43 is arranged at one end of the insert rod 4 close to the slot 33, a containing groove 11 is axially formed in the center of the screw body 1, a plurality of slots 12 are radially formed in the containing groove 11 and are communicated with the containing groove 11, a plurality of slots 12 are convexly arranged in the middle of the bottom of the auxiliary insert block 5, and a cross chip removing groove 31 is formed in the middle of the auxiliary insert block 5.
The auxiliary plug 5 can be fixed by the wood blocks in the slots, and is not easy to fall out.
The working process of the utility model comprises the following steps:
in the working process of the utility model, the two inserting rods 4 are mutually adsorbed through the magnet sheets, the blade parts are accommodated in the sliding grooves, the wood screws are installed in the wood members through the screwdrivers, after the installation is finished, the auxiliary inserting blocks 5 are inserted into the inserting grooves 33 through the tools, the first inclined surfaces are matched with the second inclined surfaces, the blade parts of the driving inserting rods are outwards protruded and inserted into the wood members, and the screws are effectively prevented from loosening.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. A locking wood screw, characterized in that: including nail body (1) and supplementary inserted block (5), the one end of nail body (1) is equipped with nail point (2), the other end of nail body (1) is equipped with pin fin (3), be equipped with drilling screw on nail body (1), countersink (31) have been seted up at the top of pin fin (3), spout (32) have been radially seted up in the both sides of pin fin (3), slot (33) that are linked together with spout (32) have been seted up to the center department axial of countersink (31), two spouts (32) symmetry set up in the both sides of slot (33), slidable mounting has inserted bar (4) in spout (32), one end that slot (33) were kept away from to inserted bar (4) is equipped with cutting edge (41), one side that inserted bar (4) is close to slot (33) is equipped with first inclined plane (42), the both sides of supplementary inserted block (5) are equipped with second inclined plane (51) with first inclined plane (42), the one end that is close to slot (33) of inserted bar (4) is equipped with magnet piece (43).
2. The lockscrew of claim 1, wherein: the nail comprises a nail body (1), wherein an accommodating groove (11) is axially formed in the center of the nail body (1), the accommodating groove (11) is communicated with a slot (33), a plurality of chip removal grooves (12) are radially formed in the side face of the nail body (1), and the chip removal grooves (12) are communicated with the accommodating groove (11).
3. The lockscrew of claim 1, wherein: the middle of the bottom of the auxiliary inserting block (5) is convexly provided with a locating piece (6).
4. A lockscrew as claimed in claim 3, wherein: the bottom of the slot (33) is connected with a positioning groove (61) matched with the positioning sheet (6).
5. The lockscrew of claim 4, wherein: the head of the auxiliary plug (5) is in interference fit with the slot (33), the top end of the head of the auxiliary plug (5) protrudes out of the slot (33) to be arranged, and clamping grooves are formed in two sides of the top end.
6. The lockscrew of claim 1, wherein: the sinking groove (31) is a straight groove or a cross groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982833.7U CN219932674U (en) | 2023-04-27 | 2023-04-27 | Anti-loosening wood screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982833.7U CN219932674U (en) | 2023-04-27 | 2023-04-27 | Anti-loosening wood screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932674U true CN219932674U (en) | 2023-10-31 |
Family
ID=88501588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320982833.7U Active CN219932674U (en) | 2023-04-27 | 2023-04-27 | Anti-loosening wood screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932674U (en) |
-
2023
- 2023-04-27 CN CN202320982833.7U patent/CN219932674U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |