CN210423345U - Knurling combination screw easy to assemble - Google Patents
Knurling combination screw easy to assemble Download PDFInfo
- Publication number
- CN210423345U CN210423345U CN201921280361.0U CN201921280361U CN210423345U CN 210423345 U CN210423345 U CN 210423345U CN 201921280361 U CN201921280361 U CN 201921280361U CN 210423345 U CN210423345 U CN 210423345U
- Authority
- CN
- China
- Prior art keywords
- screw
- spiral shell
- screwhead
- lantern ring
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a knurling combination screw easy to assemble, including the screw cylinder, the left end fixedly connected with screwhead of screw cylinder, the first bar spiral shell flower that the screwhead outside fixedly connected with equidistance distributes, be provided with second bar spiral shell flower between the first bar spiral shell flower in the screwhead outside and another first bar spiral shell flower, screwhead outside swing joint has the lantern ring. This annular knurl combination screw easy to assemble, the screwhead outside is provided with highly different and first bar spiral shell flower and the second bar spiral shell flower that distributes in proper order in turn, further increase the frictional force between hand and screwhead, efficiency when improving the hand and twist, accessible cross or word screwdriver are installed, improve the convenience of installation, be provided with the detachable lantern ring in the screwhead outside, the lantern ring outside is regular hexagon structure, accessible professional tool screws up the operation of annular knurl screw when the hand is twisted untightening, ensure the stability of being connected between screw and equipment, multiple mounting means, it is more convenient.
Description
Technical Field
The utility model relates to a screw technical field specifically is an easy to assemble's annular knurl combination screw.
Background
The knurling screw is the bolt that designs for making things convenient for the hand to twist specially, and the straight line annular knurl of head plays the effect of increase friction power, and is more efficient when making the hand twist, uses on being fit for both needing insulating and need frequently dismantling the equipment of maintaining again.
With the continuous development of electronic communication, household electrical appliances and automobile industries, in order to reduce the difficulty of equipment installation and maintenance, knurled screws are widely applied and can frequently disassemble equipment, but the conventional knurled screws generally adopt the mode that the knurling at the head of the screw increases the friction force to perform hand screwing operation, but the knurling height is the same, the friction force is small, and in places which are difficult to install, the screwing force by hands cannot ensure the defect that the screws can be screwed.
Disclosure of Invention
An object of the utility model is to provide an easy to assemble's annular knurl combination screw to it is the same to solve the height that proposes the annular knurl among the above-mentioned background art, and frictional force is less, to the place of difficult installation a bit, and the power of twisting through the hand is said, can't ensure the problem that the screw can be screwed up.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a knurling combination screw easy to assemble, includes the screw cylinder, the left end fixedly connected with screwhead of screw cylinder, the first bar spiral shell flower that the screwhead outside fixedly connected with equidistance distributes, be provided with second bar spiral shell flower between the first bar spiral shell flower in screwhead outside and another first bar spiral shell flower, screwhead outside swing joint has the lantern ring.
Preferably, the inner side of the lantern ring is provided with a limiting groove matched with the first strip-shaped screw and the second strip-shaped screw, the surface of the lantern ring is provided with anti-skid threads, the lantern ring is of a regular hexagon structure, the length of the lantern ring is equal to that of the screw head, and the height of the first strip-shaped screw is smaller than that of the second strip-shaped screw.
Preferably, the left end of the screw head is provided with a cross groove, the length of the cross groove is larger than the height of the cross groove, the screw head and the screw body are of concentric circle structures, the diameter of the screw head is larger than that of the screw body, and the screw head is made of carbon steel.
Preferably, the outer side of the right end of the screw cylinder is provided with an external thread, the outer side of the left end of the screw cylinder is provided with an annular groove, and a sealing ring is connected in the annular groove in a clamping manner.
Preferably, the screw cylinder is made of stainless steel.
Preferably, the material of the seal ring is NBR nitrile rubber.
Compared with the prior art, the beneficial effects of the utility model are that: this annular knurl combination screw easy to assemble, the screwhead outside is provided with highly different and first bar spiral shell flower and the second bar spiral shell flower that distributes in proper order in turn, further increase the frictional force between hand and screwhead, efficiency when improving the hand and twist, the screwhead left side is provided with the cross recess, accessible cross or word screwdriver are installed, improve the convenience of installation, be provided with the detachable lantern ring in the screwhead outside, the lantern ring outside is the regular hexagon structure, accessible professional instrument screws up the operation of annular knurl screw when the hand is twisted untight, ensure the stability of being connected between screw and equipment, multiple mounting means, it is more convenient.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1. a stud body; 2. a screw head; 3. a first helical bar; 4. a second helical ribbon; 5. a collar; 6. a limiting groove; 7. anti-skid lines; 8. a cross groove; 9. external thread; 10. an annular groove; 11. and (5) sealing rings.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a knurl combination screw convenient to install comprises a screw cylinder body 1, a screw head 2, a first strip-shaped screw 3, a second strip-shaped screw 4, a lantern ring 5, a limiting groove 6, anti-skidding threads 7, a cross groove 8, external threads 9, an annular groove 10 and a sealing ring 11, wherein the screw head 2 is fixedly connected to the left end of the screw cylinder body 1, the first strip-shaped screws 3 which are distributed at equal intervals are fixedly connected to the outer side of the screw head 2, the second strip-shaped screw 4 is arranged between the first strip-shaped screw 3 and the other first strip-shaped screw 3 on the outer side of the screw head 2, and the lantern ring 5 is movably connected to the outer side of the screw head 2;
furthermore, a limiting groove 6 matched with the first strip-shaped screw 3 and the second strip-shaped screw 4 is formed in the inner side of the sleeve ring 5, anti-skid threads 7 are arranged on the surface of the sleeve ring 5, the sleeve ring 5 is of a regular hexagonal structure, the length of the sleeve ring 5 is equal to that of the screw head 2, the height of the first strip-shaped screw 3 is smaller than that of the second strip-shaped screw 4, the friction force between a hand and the screw head 2 is further increased by matching the first strip-shaped screw 3 and the second strip-shaped screw 4 which are different in height, the hand screwing effect is improved, the fixing between the sleeve ring 5 and the screw head 2 is facilitated by arranging the limiting groove 6, and the special tool can be used for screwing through the design of the regular hexagonal sleeve ring 5, so that the mounting mode of the knurled screw is increased, and the mounting stability of the knurled screw is ensured;
furthermore, the cross groove 8 is formed in the left end of the screw head 2, the length of the cross groove 8 is larger than the height of the cross groove 8, the screw head 2 and the screw body 1 are of concentric circle structures, the diameter of the screw head 2 is larger than that of the screw body 1, the screw head 2 is made of carbon steel, through the design of the cross groove 8, the screw head 2 is suitable for a cross screwdriver and a straight screwdriver, hand screwing is not needed, the screw head 2 is made of carbon steel, high hardness is achieved, and the service life of the knurled screw is prolonged;
further, an external thread 9 is arranged on the outer side of the right end of the screw cylinder 1, an annular groove 10 is formed in the outer side of the left end of the screw cylinder 1, a sealing ring 11 is connected in the annular groove 10 in a clamping mode, and the sealing performance of the equipment is improved after the external thread 9 is screwed into the equipment through the matching use of the annular groove 10 and the sealing ring 11;
furthermore, the stud body 1 is made of stainless steel, and the stainless steel has the characteristic of resisting corrosion of chemical erosion media such as air, steam, water, acid, alkali, salt and the like, so that the service life of the stud body 1 is prolonged, and the maintenance and repair cost is reduced;
furthermore, the material of the sealing ring 11 is NBR nitrile rubber, the nitrile rubber is prepared from butadiene and acrylonitrile by an emulsion polymerization method, the nitrile rubber is mainly produced by a low-temperature emulsion polymerization method, the oil resistance is excellent, the wear resistance is high, the heat resistance is good, the bonding force is strong, and the sealing property in equipment is improved.
The working principle is as follows: firstly, putting a screw cylinder 1 into a corresponding threaded hole on equipment, taking down a lantern ring 5, putting hands on a first strip-shaped screw 3 and a second strip-shaped screw 4 on the outer side of a screw head 2, screwing an outer thread 9, taking out a straight-line or cross screwdriver when the hands cannot be screwed, putting the screwdriver into a cross groove 8 at the left end of the screw head 2, rotating the screwdriver for screwing operation again, or sleeving the lantern ring 5 on the outer side of the screw head 2, taking out a wrench, clamping the wrench on the outer side of the lantern ring 5, enabling the wrench and an anti-slip thread 7 to generate friction force, sliding the wrench down, then screwing the screw cylinder 1 inwards until a sealing ring 11 in an annular groove 10 is in contact with the threaded hole on the equipment, and stopping rotating the lantern ring 5 after sealing.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an easy to assemble's annular knurl combination screw, includes the screw cylinder, its characterized in that: the left end fixedly connected with screwhead of screw post, screwhead outside fixedly connected with equidistance distributes first bar spiral shell flower, be provided with second bar spiral shell flower between first bar spiral shell flower in screwhead outside and another first bar spiral shell flower, screwhead outside swing joint has the lantern ring.
2. A knurled combination screw for facilitating mounting according to claim 1, wherein: the lantern ring is characterized in that a limiting groove matched with the first strip-shaped spiral shell and the second strip-shaped spiral shell is formed in the inner side of the lantern ring, anti-skid threads are arranged on the surface of the lantern ring, the lantern ring is of a regular hexagon structure, the length of the lantern ring is equal to that of a screw head, and the height of the first strip-shaped spiral shell is smaller than that of the second strip-shaped spiral shell.
3. A knurled combination screw for facilitating mounting according to claim 1, wherein: the left end of the screw head is provided with a cross groove, the length of the cross groove is larger than the height of the cross groove, the screw head and the screw body are of concentric circle structures, the diameter of the screw head is larger than that of the screw body, and the screw head is made of carbon steel.
4. A knurled combination screw for facilitating mounting according to claim 1, wherein: the outer side of the right end of the screw cylinder is provided with an external thread, the outer side of the left end of the screw cylinder is provided with an annular groove, and a sealing ring is connected in the annular groove in a clamping manner.
5. A knurled combination screw for facilitating mounting according to claim 1, wherein: the screw cylinder is made of stainless steel.
6. An easy to install knurled combination screw according to claim 4, wherein: the sealing ring is made of NBR nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921280361.0U CN210423345U (en) | 2019-08-08 | 2019-08-08 | Knurling combination screw easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921280361.0U CN210423345U (en) | 2019-08-08 | 2019-08-08 | Knurling combination screw easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423345U true CN210423345U (en) | 2020-04-28 |
Family
ID=70385294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921280361.0U Active CN210423345U (en) | 2019-08-08 | 2019-08-08 | Knurling combination screw easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423345U (en) |
-
2019
- 2019-08-08 CN CN201921280361.0U patent/CN210423345U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210509909U (en) | Weather-proof reliable distribution electric fastener | |
| CN210423345U (en) | Knurling combination screw easy to assemble | |
| CN204646886U (en) | Locking device and there is the Gas Turbine Generating Units of this locking device | |
| CN205479810U (en) | Quick hand of interior hexagonal type hard tube is twisted and is connected | |
| CN203051381U (en) | Sealing, anti-corrosion and easily-detached bolt | |
| CN110005894B (en) | External pipe joint and mounting method thereof | |
| CN113389798A (en) | Special novel locknut subassembly of railway | |
| CN102086960A (en) | Self-tapping oil cup and manufacturing method thereof | |
| CN201764230U (en) | Self-tapping oil cup | |
| CN206617415U (en) | A kind of screw and nut combination | |
| CN214698704U (en) | C-head screw for stainless steel positioning column | |
| CN220268170U (en) | Cross countersunk hole screw | |
| CN201121634Y (en) | Combined screw | |
| CN204076122U (en) | The T-shaped antioverloading screwdriver of a kind of bendable | |
| CN203051440U (en) | Convenient-to-lubricate anti-corrosion durable screw bolt | |
| CN220980081U (en) | Internal riveting type screw nail | |
| CN216714919U (en) | Connecting threaded sleeve | |
| CN210196766U (en) | Water pipe plug | |
| CN108869500B (en) | Functional bolt | |
| CN210919748U (en) | Deformation-preventing copper nut | |
| CN209970577U (en) | Simple disassembling tool | |
| CN214788485U (en) | Rust-resistant hexagonal head stiffener bolt that loses | |
| CN220337773U (en) | High-sealing leadless bronze alloy tee joint quick-connection pipe fitting structure | |
| CN210686595U (en) | Copper-plated threaded sleeve | |
| CN218845383U (en) | Wear-resistant sealing flange convenient to replace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 181, weishiqi Road, Central Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Patentee after: Zhejiang Tiangong Fastener Co.,Ltd. Address before: 325600 No. 181, wei17 Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Tiangong Fastener Co.,Ltd. |