CN219827417U - Multi-section type lengthened screw - Google Patents
Multi-section type lengthened screw Download PDFInfo
- Publication number
- CN219827417U CN219827417U CN202321226899.XU CN202321226899U CN219827417U CN 219827417 U CN219827417 U CN 219827417U CN 202321226899 U CN202321226899 U CN 202321226899U CN 219827417 U CN219827417 U CN 219827417U
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- China
- Prior art keywords
- groove
- rear end
- end rod
- screw
- pole
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- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 8
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a multi-section type lengthened screw, when one end of the screw contacts with a contacted surface and stretches into the contacted surface, a connecting groove is arranged on one side of a front end rod, one end of a rear end rod is connected with a groove part in a fixed groove in a clamping way through a movable station, the front end rod and the rear end rod are fixed, an extrusion groove is arranged on the fixed groove, the number of the rear end rods can be selected at will according to actual requirements, and the multi-section type lengthened screw is convenient to rotate and fix.
Description
Technical Field
The utility model relates to the technical field of screws, in particular to a multi-section lengthened screw.
Background
Screws are a common fastener, and are widely used in machinery or construction, and currently, the commonly used screws are straight screws or cross screws, and are twisted by a screw knife.
For example, application number 2020228454010 discloses a multistage formula extension screw for narrow and small environment, through the multistage formula structure of front end pole and rear end pole, can follow the nail board of driving in narrow and small clearance, accomplish the reinforcement demand to the screw in the narrow and small environment.
In the above, when the front end rod is installed in a narrow environment, the front end rod is placed in the contacted surface, a reed is embedded in the rear end rod groove, and a gear is arranged in the reed to push and rotate the front end rod.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a multi-section type lengthening screw with a simple structure. In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a multistage formula extension screw, including front end pole and if thousand end pole subassemblies, front end pole and end pole subassemblies can dismantle the connection, end pole subassemblies includes the rear end pole and arranges the fixed part of rear end pole one side in, the rear end pole can dismantle with front end pole and fixed part respectively and be connected, front end pole and rear end pole structure are the same, the peripheral wall along the front end pole is equipped with screw thread part, front end pole one side is equipped with the spread groove that supplies rear end pole tip to stretch into, be equipped with the extrusion groove in the spread groove and be the fixed slot of cross, the fixed slot is connected in the top of extrusion groove, be equipped with the activity station that supplies the rear end pole to pass through between extrusion groove and the fixed slot, rear end pole one end is connected with the spread groove through the activity station, the groove part has been seted up on the activity station.
The utility model is further provided with a tip part along the outer wall of the screw, wherein the tip part is matched with the groove part and is movably connected.
The utility model is further arranged that the fixing part comprises a plate body part and a plate
The convex piece on the body part is movably connected with the fixing groove and is in a cross shape.
The utility model is further characterized in that a groove is arranged in the fixing groove, and the convex part is provided with a reinforcing block which is matched with the groove and movably connected with the groove.
Compared with the defects in the prior art, the utility model has the beneficial effects that:
when screw one end and by the contact surface contact and stretch into by the contact surface, install the spread groove through front end pole one side, rear end pole one end is connected through the cell part block in activity station and the fixed slot, realizes that front end pole and rear end pole are fixed to increased the adjustability, extrusion groove is arranged in on the fixed slot, can select the quantity of rear end pole wantonly through actual demand, is convenient for carry out rotatory fixed to multistage formula screw.
Drawings
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a perspective view of an end bar assembly of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
fig. 4 is a perspective view of the rear end bar of the present utility model.
Front end rod 1, rear end rod 2, fixed part 3, screw rod 4, end rod subassembly 5, screw thread part 6, tip 7, recess 8, activity station 9, spread groove 10, extrusion groove 11, fixed slot 12, plate body part 31, protruding piece 32, reinforcing block 33.
Detailed Description
Embodiments of the present utility model will be further described with reference to fig. 1 to 4.
The embodiment is specifically structured to include a front end bar 1 and a plurality of end bar assemblies 5, and the front end bar 1 is detachably connected with the end bar assemblies 5 so as to use a proper number of rear end bars 2 as required.
The end rod assembly 5 comprises a rear end rod 2 and a fixing part 3 arranged on one side of the rear end rod 2, wherein the rear end rod 2 is detachably connected with the front end rod and the fixing part 3 respectively, the front end rod 1 and the rear end rod 2 are identical in structure, a threaded part 6 is arranged along the peripheral wall of the screw 4, and the threaded part 6 is rotationally connected with a contacted surface.
One side of the screw 4 is provided with a connecting groove 10, an extrusion groove 11 and a cross-shaped fixing groove 12 are arranged in the connecting groove 10, the fixing groove is connected above the extrusion groove 11, and the extrusion groove 11 is matched with the end part of the screw.
The extrusion groove 11 is equipped with the activity station 9 that supplies rear end pole 2 to pass through between the fixed slot 12, and the tip of rear end pole 2 is contradicted in through activity station 9 and spread groove 10, has seted up the slot part on the activity station 9, is equipped with the point portion 7 along the outer wall of screw, and point portion 7 has, and point portion 7 and slot part adaptation and block are fixed.
The movable station 9 stretches into the connecting groove 10, and the tip 7 is clamped and fixed with the groove part, so that the front end rod 1 and the rear end rod 2 are fixed, and the adjustability is improved.
The fixing part 3 comprises a plate body part 31 and a convex part 32 arranged on the plate body part 31, the convex part 32 is movably connected with the fixing groove 12, the convex part 32 is in a cross shape, a groove 8 is arranged in the fixing groove 12, a reinforcing block 33 is arranged on the convex part 32, the convex part 32 stretches into the extrusion groove 11, the reinforcing block 33 is clamped and fixed with the groove 8, and dust is not easy to accumulate in the connecting groove 10 after the screw is installed.
When the end part of the screw contacts with the contacted surface and stretches into the contacted surface, the connecting groove 10 is arranged on one side of the front end rod 1, one end of the rear end rod 2 is connected with the groove part in the fixed groove 12 in a clamping manner through the movable station 9, and the end rod and the rear end rod 2 are fixed, so that the adjustability is improved, the extrusion groove 11 is arranged on the fixed groove 12, the number of the rear end rods 2 can be arbitrarily selected according to actual requirements, and the multi-section screw can be conveniently fixed in a rotating manner.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.
Claims (4)
1. A multi-section type lengthening screw is characterized by comprising a front end rod (1) and a plurality of end rod components (5), wherein the front end rod (1) is detachably connected with the end rod components (5),
the end rod assembly (5) comprises a rear end rod (2) and a fixing part (3) arranged at one side of the rear end rod (2), the rear end rod (2) is detachably connected with the front end rod (1) and the fixing part (3) respectively,
front end pole (1) and rear end pole (2) structure are the same, be equipped with screw thread part (6) along the periphery wall of front end pole (1), front end pole (1) one side is equipped with and supplies spread connecting groove (10) of rear end pole (2) tip, be equipped with extrusion groove (11) and be cross fixed slot (12) in connecting groove (10), fixed slot (12) are connected in extrusion groove (11) top, be equipped with between extrusion groove (11) and fixed slot (12) and supply movable station (9) that rear end pole (2) passed through, rear end pole (2) one end is connected with connecting groove (10) through movable station (9), set up the slot part on movable station (9).
2. A multi-section type extension screw according to claim 1, wherein a tip (7) is arranged along the front end rod (1), and the tip (7) is adapted to and movably connected with the groove.
3. A multi-section type extension screw according to claim 2, wherein the fixing part (3) comprises a plate body part (31) and a convex part (32) arranged on the plate body part (31), the convex part (32) is movably connected with the fixing groove (12), and the convex part (32) is in a cross shape.
4. A multi-section type lengthened screw as set forth in claim 3, wherein the fixing groove is provided with a groove (8), the convex part (32) is provided with a reinforcing block (33), and the reinforcing block (33) is adapted to the groove (8) and movably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226899.XU CN219827417U (en) | 2023-05-18 | 2023-05-18 | Multi-section type lengthened screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226899.XU CN219827417U (en) | 2023-05-18 | 2023-05-18 | Multi-section type lengthened screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827417U true CN219827417U (en) | 2023-10-13 |
Family
ID=88279062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226899.XU Active CN219827417U (en) | 2023-05-18 | 2023-05-18 | Multi-section type lengthened screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827417U (en) |
-
2023
- 2023-05-18 CN CN202321226899.XU patent/CN219827417U/en active Active
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| GR01 | Patent grant |