CN211059158U - Hexagon bolt self-drilling screw - Google Patents
Hexagon bolt self-drilling screw Download PDFInfo
- Publication number
- CN211059158U CN211059158U CN201921722384.2U CN201921722384U CN211059158U CN 211059158 U CN211059158 U CN 211059158U CN 201921722384 U CN201921722384 U CN 201921722384U CN 211059158 U CN211059158 U CN 211059158U
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- screw
- positioning column
- rubber ring
- boss
- positioning
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Abstract
The utility model relates to a hexagon bolt self-drilling screw, which relates to the technical field of connecting pieces, and comprises a screw head, wherein the screw head is in an outer hexagon shape, a boss is arranged on the screw head, a screw rod is arranged on the boss, a rubber ring is sleeved on the screw rod, a first positioning column is arranged on the side wall of the rubber ring close to one side of the boss, one end of the first positioning column, which is far away from the rubber ring, is provided with a second positioning column, the first positioning column and the second positioning column are both cylindrical, the diameter of the first positioning column is smaller than that of the second positioning column, and a first positioning groove and a second positioning groove which are respectively spliced and matched with the first positioning column and the second positioning column are arranged on the side wall of the; the second positioning columns of the first positioning columns are elastic. The utility model discloses a with first reference column and second reference column joint to first constant head tank and second constant head tank on to this comes fixed connection rubber circle and boss, thereby has reduced the rubber circle from the screw rod drop and the probability of losing, with this convenience in the use has improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of connecting piece and specifically relates to a hexagon bolt bores tail screw.
Background
The screw is a tool for fastening machine parts of the device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction of the object, and the screw is a common invention in the production and the life of people for thousands of years and is the first invention of human beings according to the application field; wherein the self-drilling screw is a screw with a self-tapping drilling head at the front end of the screw; the self-tapping screw is a new invention of people in recent years and is also called a self-tapping screw.
When the self-drilling screw is locked, because the sealing performance is poor, external water, dust and other objects easily enter the screw connecting part, the connecting strength is reduced, and the service life of the self-drilling screw is shortened, a rubber ring is generally sleeved on a screw rod of the self-drilling screw, so that the sealing performance between the head of the self-drilling screw and a locking object is improved, and the connecting strength is increased; however, the rubber ring is sleeved on the self-drilling screw, so that the rubber ring is easy to slide off the self-drilling screw and even lost, and is extremely inconvenient in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hexagon bolt bores tail screw can dismantle the connection with rubber circle and boss to reduce the rubber circle and dropped and the probability of losing from the screw, improved the convenience in the use with this.
The above object of the present invention is achieved by the following technical solutions:
a hexagon bolt self-drilling screw comprises a screw head, wherein the screw head is in an outer hexagon shape, a disc-shaped boss is arranged on the screw head, a screw rod is arranged at one end, away from the screw head, of the boss, a rubber ring abutting against the side wall of the boss is sleeved on the screw rod, a first positioning column is arranged on the side wall, close to one side of the boss, of the rubber ring, a second positioning column is arranged at one end, away from the rubber ring, of the first positioning column, the first positioning column and the second positioning column are both cylindrical, the diameter of the first positioning column is smaller than that of the second positioning column, and a first positioning groove and a second positioning groove which are respectively matched with the first positioning column and the second positioning column in an inserting mode are formed in the side wall, close to the rubber ring; the second positioning columns of the first positioning columns are elastic.
By adopting the technical scheme, the rubber ring is sleeved on the screw rod, the second positioning column is extruded and is extruded, and the second positioning column passes through the first positioning groove and is clamped on the second positioning groove, so that the first positioning column and the second positioning column are clamped and matched with the first positioning groove and the second positioning groove to fixedly connect the rubber ring and the boss, the probability that the rubber ring falls off and is lost from a screw is reduced, and the convenience in the use process is improved; and the rubber ring is pulled simultaneously, so that the first positioning column and the second positioning column are separated from the first positioning groove and the second positioning groove under the action of pulling force, and the rubber ring can be detached.
Preferably, the rubber ring is provided with a through hole which penetrates through the screw rod, the through hole is provided with an annular rubber ring on the inner side wall close to one side of the boss, and the screw rod is provided with a clamping groove which is clamped and matched with the rubber ring.
Through adopting above-mentioned technical scheme, on the joint groove is connected to the joint through the rubber ring joint for the rubber circle is difficult for droing from the screw rod, has further reduced the rubber circle and has dropped and the probability lost from the screw rod.
Preferably, the rubber ring is provided with an annular sealing ring on the lateral wall near the boss, the boss is provided with the seal groove that sets up with the sealing ring joint on the lateral wall near the rubber ring.
Through adopting above-mentioned technical scheme, through sealing washer and seal groove joint cooperation, reduced on water got into the screw rod and to the erosion of screw rod.
Preferably, the side wall of the rubber ring, which is far away from the boss, is provided with annular blocks along the radial array of the rubber ring.
Through adopting above-mentioned technical scheme, through the setting of annular piece, further reduced on water gets into the screw rod and to the erosion of screw rod.
Preferably, the outer side wall of the screw is provided with a thread section, and the thread section is provided with sawtooth-shaped thread cutting grooves in an array manner.
By adopting the technical scheme, the material of the ware is cut by the thread cutting groove after the screw is tapped into the to-be-connected ware through the thread cutting groove, so that the screw is easier to tap; while guiding the chips to facilitate their discharge.
Preferably, the cutting line grooves are distributed spirally.
Through adopting above-mentioned technical scheme, through the setting of spiral helicine secant groove, further improved piece exhaust convenience.
Preferably, the end of the screw, far away from the boss, is provided with a cylindrical connecting column, the end of the connecting column, far away from the screw, is provided with a conical pin head, and chip grooves connected together are arranged on the outer side walls of the connecting column and the pin head in an array around the circumference of the axis of the screw.
By adopting the technical scheme, the arrangement of the chip grooves enables the powder chips after cutting to be discharged more easily after the screw is tapped into the to-be-connected device, so that the acting force of the screw on the device is reduced, and the damage probability of the device is reduced.
Preferably, the outer side wall of the hexagon of the screw head is uniformly provided with anti-skid threads.
Through adopting above-mentioned technical scheme, through the setting of anti-skidding line for when use tool screwed the screw, reduced the wearing and tearing of instrument to the screw head lateral wall, improved the life of screw head.
Preferably, one end of the second positioning column, which is far away from the first positioning column, is provided with a chamfer.
Through adopting above-mentioned technical scheme, through the setting of chamfer, lead when pegging graft first reference column and second reference column and installing first constant head tank and second constant head tank on to the installation of first reference column and second reference column.
To sum up, the utility model discloses a beneficial technological effect does:
1. the first positioning column and the second positioning column are clamped on the first positioning groove and the second positioning groove to fixedly connect the rubber ring and the boss, so that the probability that the rubber ring falls off and is lost from the screw rod is reduced, and the convenience in the use process is improved;
2. the rubber ring is clamped to the clamping groove, so that the rubber ring is not easy to fall off from the screw rod, and the probability of falling and losing of the rubber ring from the screw rod is further reduced;
3. the sealing ring is clamped and matched with the sealing groove, and meanwhile, the corrosion of water entering the screw to the screw is reduced through the arrangement of the annular block;
4. due to the arrangement of the cutting groove, the material of the device is cut by the cutting groove after the screw is tapped into the device to be connected, so that the screw is easier to tap; while guiding the chips to facilitate their discharge.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is an exploded view of the present invention.
Reference numerals: 1. a screw head; 10. a boss; 101. a first positioning groove; 102. a second positioning groove; 11. anti-skid lines; 20. a rubber ring; 21. a first positioning post; 22. a second positioning column; 221. chamfering; 23. a through hole; 24. a rubber ring; 25. a ring block; 30. a seal ring; 31. a sealing groove; 4. a screw; 41. a threaded segment; 42. cutting a wire groove; 43. a clamping groove; 5. connecting columns; 50. a nail head; 51. a chip groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a hex bolts bores tail screw, refers to fig. 1, including spiral shell head 1, spiral shell head 1 is outer hexagon, and the fixed anti-skidding line 11 that is provided with of equipartition on the hexagonal lateral wall of spiral shell head 1, and anti-skidding line 11 has reduced the wearing and tearing of instrument to spiral shell head 1 lateral wall, has improved spiral shell head 1's life, and fixed mounting has the boss 10 that is the disc on spiral shell head 1, and the one end fixed mounting that spiral shell head 1 was kept away from to boss 10 has screw rod 4.
Referring to fig. 2, a rubber ring 20 abutting against the side wall of the boss 10 is sleeved on the screw rod 4, a first positioning column 21 is fixedly installed on the side wall of the rubber ring 20 close to one side of the boss 10, second positioning columns 22 are fixedly installed at the ends, far away from the rubber ring 20, of the first positioning columns 21, are cylindrical, the diameter of each first positioning column 21 is smaller than that of each second positioning column 22, and meanwhile, the second positioning columns 22 of the first positioning columns 21 are elastic; the side wall of the boss 10 close to the rubber ring 20 is provided with a first positioning groove 101 and a second positioning groove 102 which are respectively matched with the first positioning column 21 and the second positioning column 22 in an inserting manner.
The rubber ring 20 is sleeved on the screw rod 4, then the second positioning column 22 is extruded, and then the second positioning column 22 penetrates through the first positioning groove 101 and is clamped on the second positioning groove 102, so that the first positioning column 21 and the second positioning column 22 are clamped and matched with the first positioning groove 101 and the second positioning groove 102 to fixedly connect the rubber ring 20 and the boss 10, and the probability that the rubber ring 20 falls off and is lost from a screw is reduced; and simultaneously, the rubber ring 20 is pulled, so that the first positioning column 21 and the second positioning column 22 are separated from the first positioning groove 101 and the second positioning groove 102 under the action of the pulling force, and the rubber ring 20 can be detached.
The rubber ring 20 is provided with a through hole 23 which penetrates through the screw rod 4, an annular rubber ring 24 is fixedly arranged on the inner side wall of the through hole 23 close to one side of the boss 10, the screw rod 4 is provided with a clamping groove 43 which is in clamping fit with the rubber ring 24, when the rubber ring 20 is abutted against the side wall of the boss 10, the rubber ring 24 is clamped and arranged on the clamping groove 43, and the probability that the rubber ring 20 falls off and is lost from the screw rod 4 is further reduced; an annular sealing groove 31 is formed in the side wall, close to the rubber ring 20, of the boss 10, and a sealing ring 30 in clamping fit with the sealing groove 31 is fixedly installed on the side wall, close to the boss 10, of the rubber ring 20; the side wall of the rubber ring 20 far away from the boss 10 is fixedly provided with annular ring blocks 25 along the radial array of the rubber ring 20. The end of the second positioning column 22 away from the first positioning column 21 is provided with a chamfer 221, and the chamfer 221 guides when the first positioning column 21 and the second positioning column 22 are inserted and installed on the first positioning groove 101 and the second positioning groove 102.
Referring to fig. 2, a thread section 41 is fixedly arranged on the outer side wall of the screw rod 4, zigzag cut-off grooves 42 are formed in the thread section 41 in an array manner, the cut-off grooves 42 are distributed in a spiral manner, and the cut-off grooves 42 cut the material of the object to be connected after the screw rod 4 taps the object to be connected, so that the screw is easier to tap; a cylindrical connecting column 5 is fixedly installed at one end, far away from the boss 10, of the screw rod 4, a conical nail head 50 is fixedly installed at one end, far away from the screw rod 4, of the connecting column 5, chip grooves 51 which are connected together are formed in the outer side walls of the connecting column 5 and the nail head 50 in an array mode around the axis circumference of the screw rod 4, and the chip grooves 51 are spiral; after the screw is tapped into the to-be-connected device, the cut powder debris is easier to discharge, so that the acting force of the screw on the device is reduced.
The working principle of the embodiment is as follows:
the rubber ring 20 is sleeved on the screw rod 4, then the first positioning column 21 and the second positioning column 22 are clamped on the first positioning groove 101 and the second positioning groove 102, and meanwhile the rubber ring 24 is clamped on the clamping groove 43 to fixedly connect the rubber ring 20, so that the probability that the rubber ring 20 falls off and is lost from a screw is reduced, and the convenience in the use process is improved; and simultaneously, the rubber ring 20 is pulled, so that the first positioning column 21 and the second positioning column 22 are separated from the first positioning groove 101 and the second positioning groove 102 under the action of the pulling force, and meanwhile, the rubber ring 24 is separated from the clamping groove 43, so that the rubber ring 20 can be detached.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a hex bolts bores tail screw which characterized in that: comprises a screw head (1), the screw head (1) is hexagonal, a disc-shaped boss (10) is arranged on the screw head (1), a screw rod (4) is arranged at one end of the boss (10) far away from the screw head (1), the screw rod (4) is sleeved with a rubber ring (20) which is abutted against the side wall of the boss (10), a first positioning column (21) is arranged on the side wall of the rubber ring (20) close to one side of the boss (10), a second positioning column (22) is arranged at one end of the first positioning column (21) far away from the rubber ring (20), the first positioning column (21) and the second positioning column (22) are cylindrical, the diameter of the first positioning column (21) is smaller than that of the second positioning column (22), a first positioning groove (101) and a second positioning groove (102) which are respectively in inserting fit with the first positioning column (21) and the second positioning column (22) are formed in the side wall, close to the rubber ring (20), of the boss (10); the second positioning columns (22) of the first positioning columns (21) are elastic.
2. A hex bolt self drilling screw as defined in claim 1, wherein: offer through-hole (23) that pass with screw rod (4) on rubber circle (20), be provided with annular rubber ring (24) on through-hole (23) are close to the inside wall of boss (10) one side, be provided with on screw rod (4) with rubber ring (24) joint complex joint groove (43).
3. A hex bolt self drilling screw as defined in claim 2, wherein: the rubber ring (20) is provided with annular sealing washer (30) on being close to the lateral wall of boss (10), be provided with on the lateral wall that boss (10) is close to rubber ring (20) seal groove (31) that set up with sealing washer (30) joint.
4. A hex bolt self drilling screw as defined in claim 1, wherein: and annular ring blocks (25) are arranged on the side wall of the rubber ring (20) far away from one side of the boss (10) along the radial array of the rubber ring (20).
5. A hex bolt self drilling screw as defined in claim 1, wherein: the outer side wall of the screw rod (4) is provided with a thread section (41), and zigzag thread cutting grooves (42) are formed in the thread section (41) in an array mode.
6. A hex bolt self drilling screw as defined in claim 5, wherein: the cutting grooves (42) are distributed in a spiral shape.
7. A hex bolt self drilling screw as defined in claim 1, wherein: the screw rod (4) is kept away from the one end of boss (10) and is provided with columniform spliced pole (5), the one end that screw rod (4) were kept away from in spliced pole (5) is provided with conical pin fin (50), all set up chip groove (51) of linking together around screw rod (4) axis circumference array on the lateral wall of spliced pole (5) and pin fin (50).
8. A hex bolt self drilling screw as defined in claim 1, wherein: and anti-skid threads (11) are uniformly distributed on the hexagonal outer side wall of the screw head (1).
9. A hex bolt self drilling screw as defined in claim 1, wherein: and a chamfer (221) is formed at one end of the second positioning column (22) far away from the first positioning column (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722384.2U CN211059158U (en) | 2019-10-11 | 2019-10-11 | Hexagon bolt self-drilling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722384.2U CN211059158U (en) | 2019-10-11 | 2019-10-11 | Hexagon bolt self-drilling screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059158U true CN211059158U (en) | 2020-07-21 |
Family
ID=71595755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921722384.2U Expired - Fee Related CN211059158U (en) | 2019-10-11 | 2019-10-11 | Hexagon bolt self-drilling screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059158U (en) |
-
2019
- 2019-10-11 CN CN201921722384.2U patent/CN211059158U/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: 20200721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |