CN203868082U - Adjusting screw - Google Patents
Adjusting screw Download PDFInfo
- Publication number
- CN203868082U CN203868082U CN201420309781.8U CN201420309781U CN203868082U CN 203868082 U CN203868082 U CN 203868082U CN 201420309781 U CN201420309781 U CN 201420309781U CN 203868082 U CN203868082 U CN 203868082U
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- CN
- China
- Prior art keywords
- adjusting screw
- linkage section
- sawtooth
- section
- locking block
- 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.)
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Abstract
The utility model relates to an adjusting screw. The adjusting screw comprises a head portion and a threaded rod connected with the head portion. The adjusting screw is characterized in that the threaded rod sequentially comprises an adjusting section, a threaded section and a connecting section, the connecting section is connected with the head portion, the outer wall of the connecting section is smooth, grooves are formed in the outer wall of the connecting section, the grooves are spirally distributed in the outer wall of the connecting section, a locking block is further arranged between the connecting section and the head portion, and the area of the bottom face of the locking block is larger than the area of the bottom face of the head portion. The adjusting screw has the advantages that the smooth connecting section is arranged between the head portion and the threaded section, so that the friction force between the adjusting screw and an object is effectively reduced; in the rotation process of the adjusting screw, the head portion and the threaded rod are not prone to being broken, therefore, the service life of the adjusting screw is prolonged and the situation that the threaded rod is broken in the object is completely avoided; due to the fact that the locking block is arranged between the head portion and the threaded rod, the stress area is increased, and pressure borne by the head portion is reduced; the adjusting screw is stable in locating and reasonable in structural layout.
Description
Technical field
The utility model relates to a kind of screw, especially a kind of adjusting screw.
Background technique
Screw is by head and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, directly be connected with fixation, apply to widely the fields such as furniture, existing adjusting screw comprises head and the screw rod being connected with head, on screw rod, be provided with outside thread, the other end of the relative screw rod of head arranges plane, in plane, be provided with regulating tank, this adjusting screw in use, when when connecting two objects, because screw rod outer wall is all thread-like structures, in connection procedure, adjusting screw is subject to larger frictional force, when operator overexerts sometimes, head and screw rod easily rupture, cause adjusting screw to scrap, working life is lower, the screw rod rupturing in object must be dug out, wasting manpower and material resources, and head area is less, the larger pressure that head is subject to, makes adjusting screw location unstable, and topology layout is unreasonable.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of adjusting screw to be subject to that frictional force is little, working life is long and head is received the adjusting screw that pressure is less.
The technical solution of the utility model is achieved in that a kind of adjusting screw, comprise head and the screw rod being connected with head, it is characterized in that: described screw rod comprises adjusting section, thread section and linkage section successively, this linkage section is connected with head, the outer wall of linkage section is level and smooth shape, the outer wall of described linkage section is provided with groove, this groove outer wall with linkage section that distributes in the shape of a spiral, and between linkage section and head, be also provided with locking block, the base area of this locking block is greater than the base area of head.
By adopting technique scheme, level and smooth linkage section is set between head and thread section, effectively reduce the frictional force between adjusting screw and object, adjusting screw is in rotary course, head and screw rod be easy-rupturing not, improved working life, stopped the situation generation that screw rod ruptures in object, and between head and screw rod, locking block is set, increased lifting surface area, reduced the pressure that head is subject to, adjusting screw positioning stablity, topology layout is reasonable, and on linkage section surface, groove is set, not only reduced the friction area with object, and make adjusting screw in rotary course, the air pressure being subject to is less, further reduced frictional force, guaranteed the working life of adjusting screw.
The utility model is further set to: described groove is circular-arc, and groove comprises the first convergence part, container and the second convergence part, the two ends of container are connected with the first convergence part and the second convergence part respectively, the first described convergence part and the joint of linkage section outer wall are circular-arc, the second described convergence part and the joint of linkage section outer wall are inclined-plane, and on the bottom surface of container, be provided with drainage trough, by the section of adjusting, the direction to head increases the groove depth of this drainage trough gradually.
By adopting technique scheme, arc-shaped groove contributes to the discharge of air between linkage section and object, has further seen the pressure of air, and on bottom surface, container, drainage trough is set, and has increased exhaust space, contributes to the discharge of air.
The utility model is also further set to: described locking block is provided with annulus on the end face of linkage section, the side face of this annulus and the side face of locking block are positioned on same side face, and annulus is provided with some sawtooth on the end face of linkage section, and adjacent sawtooth forms V-shaped groove, and the opening angle of this V-shaped groove is 60 degree.
By adopting technique scheme, sawtooth is effectively shared pressure between locking block and object, and the opening of V-shaped groove is 60 degree, and the maximized pressure that sawtooth is subject to is shared on locking block, the pressure that head is subject to is less, has further guaranteed the working life of adjusting screw.
The utility model is also further set to: the end face of described sawtooth is plane, and the cross section of sawtooth is isosceles trapezoid shape, and the angle that two hypotenuses of this sawtooth form is 50 degree.
By adopting technique scheme, the end face of sawtooth is made as to plane, in locking process, sawtooth can not destroy the surface of object, and the cross section of sawtooth is isosceles trapezoid shape, and the pressure that this sawtooth is subject to is more even, and it is 50 degree that the angle that two hypotenuses are formed is controlled, the maximized pressure that sawtooth is subject to is shared on locking block, and the pressure that head is subject to is less, has further guaranteed the working life of adjusting screw.
The utility model is also further set to: the outer wall of described linkage section is arranged with elastic seal ring, and this elastic seal ring is attached at locking block place, and the diameter of elastic seal ring is greater than the height of sawtooth.
By adopting technique scheme, effectively locking block is played to measuring body effect, discharged the suffered pressure of locking block, further reduced the pressure that head is subject to, adjusting screw positioning stablity, topology layout is reasonable.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment structural representation;
Fig. 2 is that the A of Fig. 1 is to sectional view;
Fig. 3 is the I portion enlarged view of Fig. 1;
Fig. 4 is the B portion enlarged view of Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, the utility model discloses a kind of adjusting screw, comprise head 1 and the screw rod 2 being connected with head 1, in the utility model specific embodiment, described screw rod 2 comprises adjusting section 21, thread section 22 and linkage section 23 successively, this linkage section 23 is connected with head 1, the outer wall of linkage section 23 is level and smooth shape, the outer wall of described linkage section 23 is provided with groove 231, this groove 231 outer wall with linkage section 23 that distributes in the shape of a spiral, and between linkage section 23 and head 1, be also provided with locking block 3, the base area of this locking block 3 is greater than the base area of head 1.
By adopting technique scheme, level and smooth linkage section is set between head and thread section, effectively reduce the frictional force between adjusting screw and object, adjusting screw is in rotary course, head and screw rod be easy-rupturing not, improved working life, stopped the situation generation that screw rod ruptures in object, and between head and screw rod, locking block is set, increased lifting surface area, reduced the pressure that head is subject to, adjusting screw positioning stablity, topology layout is reasonable, and on linkage section surface, groove is set, not only reduced the friction area with object, and make adjusting screw in rotary course, the air pressure being subject to is less, further reduced frictional force, guaranteed the working life of adjusting screw.
As Fig. 1, shown in Fig. 2 and Fig. 4, in the utility model specific embodiment, described groove 231 is circular-arc, and groove 231 comprises the first convergence part 2313, container 2312 and the second convergence part 2311, the two ends of container 2312 are connected with the first convergence part 2313 and the second convergence part 2312 respectively, the first described convergence part 2313 is circular-arc 5 with the joint of linkage section 21 outer walls, the second described convergence part 2311 is inclined-plane 6 with the joint of linkage section 21 outer walls, and on the bottom surface of container 2312, be provided with drainage trough 7, by the section of adjusting 21, the direction to head 1 increases the groove depth H of this drainage trough 7 gradually.
By adopting technique scheme, arc-shaped groove contributes to the discharge of air between linkage section and object, further seen the pressure of air, and on bottom surface, container, drainage trough is set, increased exhaust space, contributed to the discharge of air, the flow direction of this air is along with the deep groove depth that increases gradually of adjusting screw, slowly increase discharge capacity, further reduce the pressure of air.
As shown in Figures 1 and 3, in the utility model specific embodiment, described locking block 3 is provided with annulus on the end face of linkage section, the side face of the side face of this annulus and locking block 3 is positioned on same side face, and annulus is provided with some sawtooth 31 on the end face of linkage section, and adjacent sawtooth forms V-shaped groove 32, and the opening angle α of this V-shaped groove 32 is 60 degree.
By adopting technique scheme, sawtooth is effectively shared pressure between locking block and object, and the opening of V-shaped groove is 60 degree, and the maximized pressure that sawtooth is subject to is shared on locking block, the pressure that head is subject to is less, has further guaranteed the working life of adjusting screw.
As shown in Figure 3, in the utility model specific embodiment, the end face 311 of described sawtooth is plane, and the cross section of sawtooth 31 is isosceles trapezoid shape, and the angle β that two hypotenuses of this sawtooth 31 form is 50 degree.
By adopting technique scheme, the end face of sawtooth is made as to plane, in locking process, sawtooth can not destroy the surface of object, and the cross section of sawtooth is isosceles trapezoid shape, and the pressure that this sawtooth is subject to is more even, and it is 50 degree that the angle that two hypotenuses are formed is controlled, the maximized pressure that sawtooth is subject to is shared on locking block, and the pressure that head is subject to is less, has further guaranteed the working life of adjusting screw.
As shown in Figure 2, in the utility model specific embodiment, the outer wall of described linkage section 23 is arranged with elastic seal ring 4, and this elastic seal ring 4 is attached at locking block 3 places, and the diameter of elastic seal ring 4 is greater than the height of sawtooth 21.
By adopting technique scheme, effectively locking block is played to measuring body effect, discharged the suffered pressure of locking block, further reduced the pressure that head is subject to, adjusting screw positioning stablity, topology layout is reasonable.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. an adjusting screw, comprise head and the screw rod being connected with head, it is characterized in that: described screw rod comprises adjusting section, thread section and linkage section successively, this linkage section is connected with head, the outer wall of linkage section is level and smooth shape, and the outer wall of described linkage section is provided with groove, this groove outer wall with linkage section that distributes in the shape of a spiral, and between linkage section and head, be also provided with locking block, the base area of this locking block is greater than the base area of head.
2. adjusting screw according to claim 1, it is characterized in that: described groove is circular-arc, and groove comprises the first convergence part, container and the second convergence part, the two ends of container are connected with the first convergence part and the second convergence part respectively, the first described convergence part and the joint of linkage section outer wall are circular-arc, the second described convergence part and the joint of linkage section outer wall are inclined-plane, and on the bottom surface of container, be provided with drainage trough, by the section of adjusting, the direction to head increases the groove depth of this drainage trough gradually.
3. adjusting screw according to claim 1 and 2, it is characterized in that: described locking block is provided with annulus on the end face of linkage section, the side face of this annulus and the side face of locking block are positioned on same side face, and annulus is provided with some sawtooth on the end face of linkage section, and adjacent sawtooth forms V-shaped groove, and the opening angle of this V-shaped groove is 60 degree.
4. adjusting screw according to claim 3, is characterized in that: the end face of described sawtooth is plane, and the cross section of sawtooth is isosceles trapezoid shape, and the angle that two hypotenuses of this sawtooth form is 50 degree.
5. adjusting screw according to claim 3, is characterized in that: the outer wall of described linkage section is arranged with elastic seal ring, and this elastic seal ring is attached at locking block place, and the diameter of elastic seal ring is greater than the height of sawtooth.
6. adjusting screw according to claim 4, is characterized in that: the outer wall of described linkage section is arranged with elastic seal ring, and this elastic seal ring is attached at locking block place, and the diameter of elastic seal ring is greater than the height of sawtooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309781.8U CN203868082U (en) | 2014-06-11 | 2014-06-11 | Adjusting screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309781.8U CN203868082U (en) | 2014-06-11 | 2014-06-11 | Adjusting screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868082U true CN203868082U (en) | 2014-10-08 |
Family
ID=51649040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309781.8U Expired - Fee Related CN203868082U (en) | 2014-06-11 | 2014-06-11 | Adjusting screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630895A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | A kind of sliding rail of automobile seat self-clinching stud and its matching component |
| CN107630914A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | A kind of new automobile waterproof round nut and its matching component |
| CN108331824A (en) * | 2018-04-17 | 2018-07-27 | 深圳市利华联创科技有限公司 | It is integrally formed anti-skidding locking self-locking screw rod, fastening assembly and tuner |
-
2014
- 2014-06-11 CN CN201420309781.8U patent/CN203868082U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630895A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | A kind of sliding rail of automobile seat self-clinching stud and its matching component |
| CN107630914A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | A kind of new automobile waterproof round nut and its matching component |
| CN108331824A (en) * | 2018-04-17 | 2018-07-27 | 深圳市利华联创科技有限公司 | It is integrally formed anti-skidding locking self-locking screw rod, fastening assembly and tuner |
| CN108331824B (en) * | 2018-04-17 | 2024-01-23 | 东莞市华尔通信有限责任公司 | Integrated anti-slip anti-loose self-locking screw rod, fastening assembly and tuning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |