CN209990756U - Double-deck pivot machine tooth screw of cross - Google Patents
Double-deck pivot machine tooth screw of cross Download PDFInfo
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- CN209990756U CN209990756U CN201920846009.2U CN201920846009U CN209990756U CN 209990756 U CN209990756 U CN 209990756U CN 201920846009 U CN201920846009 U CN 201920846009U CN 209990756 U CN209990756 U CN 209990756U
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Abstract
The utility model discloses a double-deck pivot machine tooth screw of cross relates to screw technical field, including the double-screw bolt, the top of double-screw bolt is provided with the head rod, and the bottom of double-screw bolt is provided with the second connecting rod, the top of head rod is connected with the installation lid, and the bottom of installation lid is provided with first screw, the inner wall of first screw is provided with first internal thread, the outside of head rod is provided with first external screw thread. The utility model discloses a round pin axle that sets up can be fixed in the top and the bottom of double-screw bolt for the screw is whole can enough fix the object, can realize the swing joint between object and the object again under the effect of round pin axle, simultaneously through the interact between first external screw thread and the first internal thread, can make installation lid and head rod phase separation, through mutually supporting between the second external screw thread that sets up and the second internal thread, can make second connecting rod and double-screw bolt phase separation, both combine together, make the whole convenient to detach of screw.
Description
Technical Field
The utility model relates to a screw technical field specifically is a double-deck pivot machine tooth screw of cross.
Background
The screw is a tool for fastening machine parts of a device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the object, is an indispensable industrial necessity in daily life, has an important function all the time as long as the industry exists on the earth, is a common invention in production and life of people for thousands of years, and is the first invention of human beings according to the application field.
But traditional screw only can be used for fixing the work piece to play the fastening, but can not regard as the pivot to use, the function is single, and traditional screw can not dismantle fast when dismantling simultaneously, and it is not convenient enough to use, has not only influenced staff's work efficiency, has still wasted the time greatly.
Disclosure of Invention
The utility model aims to provide a: in order to solve the problem that the traditional screw can only be used for fixing a workpiece, so that the fastening effect is achieved, the traditional screw cannot be used as a shaft pin, the function is single, meanwhile, the traditional screw cannot be disassembled fast when being disassembled, the use is not convenient enough, the working efficiency of workers is influenced, and the time is greatly wasted, and the cross double-layer shaft pin machine thread screw is provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-deck pivot machine tooth screw of cross, includes the double-screw bolt, the top of double-screw bolt is provided with the head rod, and the bottom of double-screw bolt is provided with the second connecting rod, the top of head rod is connected with the installation lid, and the bottom of installation lid is provided with first screw, the inner wall of first screw is provided with first internal thread, the outside of head rod is provided with first external screw thread, and first external screw thread and first internal thread cooperate, the bottom of double-screw bolt is provided with the second screw, and the inside of second screw is provided with the second internal thread, the top of second connecting rod is provided with the second external screw thread, and the second external screw thread cooperatees with the second internal thread.
Preferably, the outer sides of the first connecting rod and the second connecting rod are both provided with a pin shaft, and a cavity is arranged inside the pin shaft.
Preferably, the pin shaft, the first connecting rod and the second connecting rod are all provided with through holes inside.
Preferably, the top of the mounting cover and the bottom of the second connecting rod are both provided with a clamping groove.
Preferably, the cross section of the clamping groove is of a cross-shaped structure.
Preferably, the outer sides of the stud and the pin shaft are both provided with a zinc coating.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, the operation is understandable, can fix top and bottom at the double-screw bolt through the round pin axle that sets up, make the screw whole can enough fix the object, can realize the swing joint between object and the object again under the effect of round pin axle, simultaneously through the interact between first external screw thread and the first internal thread, can make installation lid and head rod phase separation, through the mutually supporting between the second external screw thread that sets up and the second internal thread, can make second connecting rod and double-screw bolt phase separation, both combine together, make the whole convenient to detach of screw, the practicality is better.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the mounting cover of the present invention;
FIG. 3 is an enlarged view of the present invention A;
fig. 4 is an enlarged view of the present invention B.
In the figure: 1. a stud; 2. a first connecting rod; 3. a second connecting rod; 4. installing a cover; 5. a first screw hole; 6. a first external thread; 7. a first internal thread; 8. a pin shaft; 9. a cavity; 10. a second screw hole; 11. a second external thread; 12. a second internal thread; 13. a card slot; 14. and a through hole.
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. 1-4, a cross double-layer shaft pin machine thread screw includes a stud 1, a first connecting rod 2 is disposed on the top of the stud 1, a second connecting rod 3 is disposed on the bottom of the stud 1, an installation cover 4 is connected to the top of the first connecting rod 2, a first screw hole 5 is disposed on the bottom of the installation cover 4, a first internal thread 7 is disposed on the inner wall of the first screw hole 5, a first external thread 6 is disposed on the outer side of the first connecting rod 2, the first external thread 6 is matched with the first internal thread 7, a second screw hole 10 is disposed on the bottom of the stud 1, a second internal thread 12 is disposed inside the second screw hole 10, a second external thread 11 is disposed on the top of the second connecting rod 3, and the second external thread 11 is matched with the second internal thread 12.
The utility model discloses simple structure, the operation is understandable, can fix top and bottom at double-screw bolt 1 through the round pin axle 8 that sets up, make the screw whole can enough fix the object, can realize the swing joint between object and the object under the effect of round pin axle 8 again, simultaneously through the interact between first external screw thread 6 and the first internal thread 7, can make installation lid 4 and 2 phase separations of head rod, through the mutually supporting between the second external screw thread 11 that sets up and the second internal thread 12, can make second connecting rod 3 and 1 phase separations of double-screw bolt, both combine together, make the whole convenient to detach of screw, the practicality is better.
Please refer to fig. 1, 3 and 4, the outer sides of the first connecting rod 2 and the second connecting rod 3 are both provided with a pin 8, the pin 8 is provided with a cavity 9 inside, and the pin 8, the first connecting rod 2 and the second connecting rod 3 are all provided with a through hole 14 inside.
This kind of double-deck pivot machine tooth screw of cross can play the fixed action through the through-hole 14 that sets up, when the round pin axle 8 is used to needs, fixes another object in the outside of round pin axle 8, then passes through-hole 14 with the fastener for this object can not drop, thereby under the effect of round pin axle 8, has realized that this object carries out relative rotation with the object in the double-screw bolt 1 outside and is connected.
Please refer to fig. 2, the top of the mounting cover 4 and the bottom of the second connecting rod 3 are both provided with a clamping groove 13, and the cross section of the clamping groove 13 is in a cross-shaped structure.
The double-layer shaft pin machine thread screw of the cross can be conveniently installed by a user through the clamping groove 13, and the working efficiency is improved.
Please refer to fig. 1 and 2, the stud 1 and the pin 8 are provided with a zinc coating on the outer side.
The double-deck pivot machine tooth screw of this kind of cross can be through the galvanizing coat that sets up to double-deck pivot 1 and round pin axle 8 anticorrosive effectively, and the practicality is better.
The working principle is as follows: during the use, insert the outside of round pin axle 8 through cavity 9 to head rod 2, then utilize the interact of first external screw thread 6 and first internal thread 7, clockwise rotation installation lid 4, make installation lid 4 fixed mutually with head rod 2, then place corresponding position with double-screw bolt 1, utilize draw-in groove 13 anticlockwise rotation double-screw bolt 1 on the installation lid 4, make double-screw bolt 1 fixed mutually with the object, when the bottom of double-screw bolt 1 also needs to use round pin axle 8, can aim at the second screw 10 of double-screw bolt 1 bottom with the inside cavity 9 of round pin axle 8 earlier, then under the effect of second external screw thread 11 and second internal thread 12, clockwise rotation second connecting rod 3, make second connecting rod 3 fixed mutually with double-screw bolt 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a double-deck pivot machine tooth screw of cross, includes double-screw bolt (1), its characterized in that: the top of double-screw bolt (1) is provided with head rod (2), and the bottom of double-screw bolt (1) is provided with second connecting rod (3), the top of head rod (2) is connected with installation lid (4), and the bottom of installation lid (4) is provided with first screw (5), the inner wall of first screw (5) is provided with first internal thread (7), the outside of head rod (2) is provided with first external screw thread (6), and just first external screw thread (6) cooperatees with first internal thread (7), the bottom of double-screw bolt (1) is provided with second screw (10), and the inside of second screw (10) is provided with second internal thread (12), the top of second connecting rod (3) is provided with second external screw thread (11), and second external screw thread (11) and second internal thread (12) cooperate.
2. The cross double-layer axle pin machine thread screw according to claim 1, characterized in that: the outer sides of the first connecting rod (2) and the second connecting rod (3) are both provided with a pin shaft (8), and a cavity (9) is formed in the pin shaft (8).
3. The cross double-layer axle pin machine thread screw according to claim 2, characterized in that: the pin shaft (8), the first connecting rod (2) and the second connecting rod (3) are all provided with through holes (14) inside.
4. The cross double-layer axle pin machine thread screw according to claim 1, characterized in that: the top of the mounting cover (4) and the bottom of the second connecting rod (3) are both provided with clamping grooves (13).
5. The cross double-layer axle pin machine thread screw according to claim 4, characterized in that: the cross section of the clamping groove (13) is of a cross-shaped structure.
6. The cross double-layer axle pin machine thread screw according to claim 1, characterized in that: and the outer sides of the stud (1) and the pin shaft (8) are provided with zinc plating layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846009.2U CN209990756U (en) | 2019-06-05 | 2019-06-05 | Double-deck pivot machine tooth screw of cross |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846009.2U CN209990756U (en) | 2019-06-05 | 2019-06-05 | Double-deck pivot machine tooth screw of cross |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990756U true CN209990756U (en) | 2020-01-24 |
Family
ID=69296315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920846009.2U Active CN209990756U (en) | 2019-06-05 | 2019-06-05 | Double-deck pivot machine tooth screw of cross |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990756U (en) |
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2019
- 2019-06-05 CN CN201920846009.2U patent/CN209990756U/en active Active
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