CN217029580U - Screw that suitability is high - Google Patents
Screw that suitability is high Download PDFInfo
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- CN217029580U CN217029580U CN202220767375.0U CN202220767375U CN217029580U CN 217029580 U CN217029580 U CN 217029580U CN 202220767375 U CN202220767375 U CN 202220767375U CN 217029580 U CN217029580 U CN 217029580U
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- connecting rod
- head
- screw
- fixed part
- wall
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Abstract
The utility model discloses a screw with high applicability, which belongs to the field of screws.
Description
Technical Field
The utility model belongs to the field of screws, and particularly relates to a screw with high applicability.
Background
The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles and the like are used together by using large and small screws.
The screw is produced for locking two-piece article, and the existing screw is good to use, but still has some defects: when the length of the screw at hand is not long enough, two objects cannot be locked, and the length change of the screw cannot be realized.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a screw with high applicability, which has the advantage of improving the application range of the screw.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a screw that suitability is high, includes head and lead screw, the lead screw divide into with the fixed part of head fixed and the activity sets up the movable part that keeps away from head one side in the fixed part, the movable part is fixed with the connecting rod towards the fixed part direction is coaxial, the connecting rod run through fixed part and head and with fixed part threaded connection, head end wall and connecting rod end wall all are equipped with the cross recess.
Through adopting above-mentioned technical scheme, can realize the separation of movable part and fixed part through screwdriver swivelling joint pole alone, and then improve the length of whole screw. When the screw driver is used, the movable part and the fixed part are screwed into the screw hole together, when the length of the screw is not long enough, the length of the screw can be prolonged only by independently rotating the connecting rod through the screw driver, the length change of the screw is realized, and the application range of the screw is improved.
The utility model is further configured to: and an anti-falling component for preventing the connecting rod from falling off from the fixing part is arranged between the connecting rod and the fixing part.
Through adopting above-mentioned technical scheme, the anticreep subassembly can prevent that the connecting rod from droing from the fixed part, avoids movable part and fixed part to break away from completely, guarantees the validity of screw.
The utility model is further configured to: the anticreep subassembly is including offering in the head and extending to the anticreep groove in the fixed part, the connecting rod is located anticreep inslot and has the interval between the inner wall in anticreep groove and the week lateral wall of connecting rod, the connecting rod is kept away from one end week lateral wall of movable part and is equipped with the bulge loop.
Through adopting above-mentioned technical scheme, after the connecting rod precession fixed part, the bulge loop can the butt at the tank bottom of anticreep groove, and the tank bottom of anticreep groove plays limiting displacement this moment, avoids the connecting rod to drop from the fixed part, guarantees the validity of screw.
The utility model is further configured to: the side wall all around of head is equipped with the card strip, the card strip penetrates head one side, connecting rod, anticreep groove inner wall in proper order and is penetrating tip and head threaded connection.
Through adopting above-mentioned technical scheme, the tip and the head threaded connection of card strip for the card strip can lock on the head when passing the connecting rod, avoids the connecting rod to take place to rotate, and then guarantees that the screw of fixed part and movable part is the transition form, guarantees in the screw can normal screw in screw hole.
The utility model is further configured to: the end wall of the movable part coaxially protrudes towards the inside of the fixed part and is provided with a ring sheet connected with the fixed part in a sliding manner.
Through adopting above-mentioned technical scheme, the ring piece can reduce the dust card on the one hand and go into connecting rod and fixed part junction, and on the other hand can share the atress of connecting rod, reduces the cracked risk of connecting rod.
In summary, the utility model has the following advantages:
1. the screw rod is divided into the movable part, the fixed part and the connecting rod, when the screw rod is used, the movable part and the fixed part are screwed into the screw hole together, when the length of the screw is not long enough, the length of the screw can be prolonged only by independently rotating the connecting rod through a screwdriver, the length change of the screw is realized, and the application range of the screw is improved;
2. by arranging the anti-falling component, the anti-falling component can prevent the connecting rod from falling off from the fixed part, so that the movable part is prevented from being completely separated from the fixed part, and the effectiveness of the screw is ensured;
3. through setting up the card strip, the tip and the head threaded connection of card strip for the card strip can lock on the head when passing the connecting rod, avoids the connecting rod to take place the rotation, and then guarantees that the screw of fixed part and movable part is the transition form, guarantees in the screw can normal screw in screw.
Drawings
FIG. 1 is an overall view of the present embodiment;
fig. 2 is a schematic cross-sectional view of the present embodiment.
Reference numerals are as follows: 1. a head portion; 2. a screw rod; 201. a fixed part; 202. a movable portion; 203. a connecting rod; 3. a cross slot; 4. an anti-drop component; 401. a drop-proof groove; 402. a convex ring; 5. clamping the strip; 6. a handle; 7. and (4) ring pieces.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A screw with high applicability, refer to fig. 1 and 2, comprises a head 1 and a screw rod 2, the screw rod 2 is divided into a fixed part 201, a movable part 202 and a connecting rod 203, the fixed part 201 and the head 1 are integrally formed, the movable part 202 is movably arranged on one side of the fixed part 201 far away from the head 1, and the connecting rod 203 is integrally formed on one side of the movable part 202 close to the fixed part 201 and is coaxially arranged with the movable part 202.
One end of the connecting rod 203 far away from the movable part 202 penetrates through the fixing part 201 and the head part 1 and is in threaded connection with the fixing part 201, and the end wall of the head part 1 and the end wall of the connecting rod 203 are coplanar and are provided with communicated cross grooves 3. When the screw is used, the movable part 202 and the fixed part 201 are screwed into the screw hole together, and when the length of the screw is not long enough, the length of the screw can be prolonged only by independently rotating the connecting rod 203 through a screwdriver, so that the length change of the screw is realized.
A retaining member 4 for preventing the tie bar 203 from falling off the fixing portion 201 is provided between the tie bar 203 and the fixing portion 201. The anti-drop subassembly 4 is including offering in head 1 and extending to the anticreep groove 401 in the fixed part 201, connecting rod 203 is located anticreep groove 401 and has the interval between the lateral wall of the inner wall of anticreep groove 401 and connecting rod 203, connecting rod 203 keeps away from one end lateral wall of movable part 202 and is equipped with bulge loop 402, after connecting rod 203 precession fixed part 201, bulge loop 402 can the butt at the tank bottom of anticreep groove 401, the tank bottom of anticreep groove 401 plays limiting displacement this moment, avoid connecting rod 203 to drop from fixed part 201.
The circumference lateral wall of head 1 is equipped with cylindric card strip 5, and card strip 5 penetrates head 1 one side, connecting rod 203, anticreep groove 401 inner wall in proper order and is penetrating tip and head 1 threaded connection, realizes head 1 and connecting rod 203's relatively fixed. Card strip 5 is located the outer one end of head 1 and is equipped with handle 6, rotates handle 6 and can unscrew card strip 5, and then realizes the independent rotation of connecting rod 203.
The end wall of the movable part 202 coaxially protrudes towards the inside of the fixed part 201 to form a ring sheet 7 connected with the fixed part 201 in a sliding manner, on one hand, the ring sheet 7 can reduce dust clamped into the connection position of the connecting rod 203 and the fixed part 201, on the other hand, the stress of the connecting rod 203 can be shared, and the risk of fracture of the connecting rod 203 is reduced.
The working process and the beneficial effects of the utility model are as follows: when the screw is used, the movable portion 202 and the fixing portion 201 are screwed into the screw hole together, when the length of the screw is not long enough, the clamping strip 5 is screwed out for a certain distance, the connecting rod 203 is rotated alone through the screwdriver, the length of the screw can be prolonged, the length change of the screw is realized, and the application range of the screw is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a screw that suitability is high, includes head (1) and lead screw (2), its characterized in that: lead screw (2) divide into fixed part (201) fixed with head (1) and activity set up in fixed part (201) keep away from movable part (202) of head (1) one side, movable part (202) are towards fixed part (201) direction coaxial be fixed with connecting rod (203), connecting rod (203) run through fixed part (201) and head (1) and with fixed part (201) threaded connection, head (1) end wall all is equipped with cross recess (3) with connecting rod (203) end wall.
2. A high-applicability screw according to claim 1, wherein: an anti-falling component (4) for preventing the connecting rod (203) from falling off from the fixing part (201) is arranged between the connecting rod (203) and the fixing part (201).
3. A high-applicability screw according to claim 2, wherein: anticreep subassembly (4) are including offering in head (1) and extending to anticreep groove (401) in fixed part (201), connecting rod (203) are located anticreep groove (401) and have the interval between the inner wall of anticreep groove (401) and the week lateral wall of connecting rod (203), one end week lateral wall that movable part (202) was kept away from in connecting rod (203) is equipped with bulge loop (402).
4. A highly adaptable screw as claimed in claim 3, wherein: the side wall all around of head (1) is equipped with card strip (5), card strip (5) penetrate head (1) one side, connecting rod (203), anticreep groove (401) inner wall in proper order and are penetrating tip and head (1) threaded connection.
5. A high-applicability screw according to claim 4, characterized in that: and a handle (6) is arranged at one end of the clamping strip (5) positioned outside the head (1).
6. A highly adaptable screw as defined in claim 1, further comprising: the end wall of the movable part (202) coaxially protrudes towards the inside of the fixed part (201) to form a ring piece (7) connected with the fixed part (201) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767375.0U CN217029580U (en) | 2022-04-01 | 2022-04-01 | Screw that suitability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767375.0U CN217029580U (en) | 2022-04-01 | 2022-04-01 | Screw that suitability is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029580U true CN217029580U (en) | 2022-07-22 |
Family
ID=82414663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220767375.0U Active CN217029580U (en) | 2022-04-01 | 2022-04-01 | Screw that suitability is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029580U (en) |
-
2022
- 2022-04-01 CN CN202220767375.0U patent/CN217029580U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |