CN217842300U - Self-drilling screw - Google Patents
Self-drilling screw Download PDFInfo
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- CN217842300U CN217842300U CN202222194096.2U CN202222194096U CN217842300U CN 217842300 U CN217842300 U CN 217842300U CN 202222194096 U CN202222194096 U CN 202222194096U CN 217842300 U CN217842300 U CN 217842300U
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Abstract
The utility model relates to a self-drilling screw technical field just discloses a self-drilling screw, including screw body, installation piece, dismouting mechanism, positioning mechanism and screw head, the installation piece is located the top of screw body, dismouting mechanism sets up on the installation piece, positioning mechanism sets up on the installation piece, the screw head is located the top of installation piece, dismouting mechanism includes the screw thread piece, the inboard threaded connection of screw thread piece has the threaded rod, the outside fixedly connected with antifriction bearing of threaded rod, antifriction bearing's outside fixedly connected with activity ejector pad, the outside fixedly connected with installation square of activity ejector pad, the outside fixedly connected with activity turning handle of threaded rod. This self-drilling screw, overall structure is simple, has realized the self-drilling screw and has been convenient for change screwed joint's purpose, and when screwed joint appeared slippery thread phenomenon, need not scrap whole self-drilling screw, avoided causing the waste of resource, improved self-drilling screw's life.
Description
Technical Field
The application relates to the technical field of self drilling screws, in particular to a self drilling screw.
Background
The self-tapping screw is a screw with a self-tapping drilling head at the front end of the screw, is a common invention in production and life of hundreds of years, and is the first invention of human beings according to the application field.
The afterbody of brill tail screw is brill tail or sharp tail form, need not supplementary processing, can be directly set up the material, drilling on the basis material, and locking, practice thrift engineering time by a wide margin, but current brill tail screw has the shortcoming of being not convenient for change screwed joint, when leading to screwed joint smooth phenomenon to appear, need scrap whole brill tail screw, cause the waste of resource easily, reduced the life of brill tail screw, inconvenient use has reduced the availability factor and the result of use of brill tail screw.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, this application provides a self-drilling screw, possesses the advantage such as being convenient for change screwed joint, has solved current self-drilling screw and has had the shortcoming of being not convenient for change screwed joint, when leading to screwed joint the phenomenon of smooth silk to appear, needs to scrap whole self-drilling screw, causes the waste of resource easily, has reduced self-drilling screw's life, and inconvenient use has reduced the problem of self-drilling screw's availability factor and result of use.
The application provides the following technical scheme: the utility model provides a self-drilling screw, includes screw body, installation piece, dismouting mechanism, positioning mechanism and screw head, the installation piece is located the top of screw body, dismouting mechanism sets up on the installation piece, positioning mechanism sets up on the installation piece, the screw head is located the top of installation piece, dismouting mechanism includes the screw thread piece, the inboard threaded connection of screw thread piece has the threaded rod, the outside fixedly connected with antifriction bearing of threaded rod, antifriction bearing's outside fixedly connected with activity ejector pad, the outside fixedly connected with installation square of activity ejector pad, the outside fixedly connected with activity turning handle of threaded rod, the outside fixedly connected with sliding block of activity ejector pad, the inboard fixedly connected with slide bar of installation piece, installation piece and screw thread piece fixed connection.
Through adopting above-mentioned technical scheme, under the mating action of dismouting mechanism and installation piece, can install or dismantle the screw head.
Further, positioning mechanism includes the fixed block, the inboard fixedly connected with buffer spring of fixed block, buffer spring's outside fixedly connected with movable block, the outside fixedly connected with movable rod of movable block, the outside fixedly connected with stopper of movable rod, installation piece and fixed block fixed connection.
Through adopting above-mentioned technical scheme, under the mating action of positioning mechanism and installation piece, can fix a position the screw head.
Further, the inboard swing joint of installation piece has the connecting block, the bottom fixedly connected with locating piece of connecting block, the top fixedly connected with mounting panel of connecting block, the outside swing joint of screw body has spring washer, the outside swing joint of screw body has lock washer, mounting panel and screw head fixed connection, screw body and installation piece fixed connection.
Through adopting above-mentioned technical scheme, under the effect of connecting block and locating piece, can improve the effect of screw head location.
Furthermore, the rolling bearing comprises an inner ring, a ball and an outer ring, the inner ring is fixedly connected with the threaded rod, the outer ring is fixedly connected with the movable push block, and the inner ring and the outer ring are movably connected with the ball.
Through adopting above-mentioned technical scheme, under antifriction bearing's effect, can improve threaded rod pivoted stability.
Further, the quantity of connecting block is two, the mounting groove has been seted up to the inboard of installation piece, and the quantity of mounting groove is two, two the connecting block respectively with two mounting groove joint.
Through adopting above-mentioned technical scheme, under the effect of two connecting blocks and two mounting grooves, can carry on spacingly to the screw head.
Further, two installation square grooves have all been seted up to the inboard of connecting block, the quantity of activity ejector pad and installation square is two, two the installation square respectively with two installation square groove joint, two the activity ejector pad respectively with two connecting block swing joint.
By adopting the technical scheme, the stability of the installation of the connecting block can be improved under the action of the two installation square blocks and the two installation square grooves.
Further, the quantity of locating piece is two, the constant head tank has been seted up to the inboard of installation piece, and the quantity of constant head tank is two, two the locating piece respectively with two constant head tank joints, two spacing draw-in groove has all been seted up to the inboard of locating piece, stopper and spacing draw-in groove joint.
Through adopting above-mentioned technical scheme, under the effect of stopper and spacing draw-in groove, can improve the effect of locating piece location.
Further, the inboard of sliding block is seted up the slip hole that equals with the slide bar diameter, and slip hole and slide bar sliding connection, spacing circle piece has been seted up on the right side of slide bar, and the diameter of spacing circle piece is greater than the diameter of slip hole.
Through adopting above-mentioned technical scheme, under the effect of sliding block and moving pole, can improve the stability that the removal was moved to the activity ejector pad.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this self-drilling screw, when the screw head is dismantled and is changed to needs, can drive the threaded rod through rotating movable turning handle and rotate, because threaded rod and thread piece threaded connection, so the threaded rod pivoted in-process, can drive antifriction bearing in proper order, activity ejector pad and installation square remove about, make installation square and connecting block separation, make the connecting block lose spacingly, reuse power pulling make the mounting panel buffer spring be in compression state, make stopper and locating piece separation, make the locating piece lose spacingly, thereby can take connecting block and locating piece out from the inboard of installation piece, can dismantle the change to the screw head, overall structure is simple, and is convenient for use, the purpose of self-drilling screw screwed joint's change of being convenient for has been realized, when the phenomenon of smooth silk appears in screwed joint, need not scrap whole self-drilling screw, avoid causing the waste of resource, the life of self-drilling screw has been improved, the availability factor and the result of use of self-drilling screw have been improved.
2. This self-drilling screw, when needs are installed fixedly to the screw head, insert the inboard of installation piece with connecting block and locating piece, make buffer spring be in compression state, thereby can insert the inboard of installation piece completely with connecting block and locating piece, can be with the inboard of stopper spring-in locating piece through buffer spring, can carry out preliminary location to locating piece and connecting block, avoid the phenomenon that the connecting block takes place the skew at the fixed in-process of installation, rethread rotation activity turning handle can drive the threaded rod and rotate, because threaded rod and threaded block threaded connection, so threaded rod pivoted in-process, can drive antifriction bearing in proper order, remove about activity ejector pad and the installation square, make installation square and connecting block laminating, thereby can be to the connecting block, mounting panel and screw head are fixed, the fixed purpose of screw head installation has been realized.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is an enlarged view of the point A in FIG. 1 of the present application;
FIG. 3 is an enlarged view of the point B in FIG. 1.
In the figure: 1. a screw body; 2. mounting blocks; 300. a disassembly and assembly mechanism; 301. a thread block; 302. a threaded rod; 303. a rolling bearing; 304. a movable push block; 305. installing a square block; 306. a movable rotating handle; 307. a slider; 308. a slide bar; 400. a positioning mechanism; 401. a fixed block; 402. a buffer spring; 403. a movable block; 404. a movable rod; 405. a limiting block; 5. connecting blocks; 6. positioning blocks; 7. mounting a plate; 8. a screw head; 9. a spring washer; 10. and locking the gasket.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, 2 and 3, the self-drilling screw of the present embodiment includes a screw body 1, a mounting block 2, a mounting and dismounting mechanism 300, a positioning mechanism 400 and a screw head 8, the mounting block 2 is located above the screw body 1, the mounting and dismounting mechanism 300 is disposed on the mounting block 2, the positioning mechanism 400 is disposed on the mounting block 2, and the screw head 8 is located above the mounting block 2, wherein the screw body 1 is fixedly connected to the mounting block 2, the mounting block 2 is fixedly connected to the mounting and dismounting mechanism 300, and the mounting block 2 is fixedly connected to the positioning mechanism 400.
Wherein, positioning mechanism 400 cooperation installation piece 2 can fix a position screw head 8, dismouting mechanism 300 cooperation installation piece 2 can install or dismantle screw head 8, can dismantle the change to screw head 8, has realized the self-drilling screw and has been convenient for change screwed joint's purpose, when screwed joint appears slippery phenomenon, need not scrap whole self-drilling screw, avoids causing the waste of resource, has improved the life who drills the self-drilling screw, has improved the availability factor and the result of use of self-drilling screw.
The inboard swing joint of installation piece 2 has connecting block 5, the bottom fixedly connected with locating piece 6 of connecting block 5, the top fixedly connected with mounting panel 7 of connecting block 5, the outside swing joint of screw body 1 has spring washer 9 that wholly is located spring washer 9 below, mounting panel 7 and screw head 8 fixed connection, screw body 1 and 2 fixed connection of installation piece.
Wherein, connecting block 5's quantity is two, and the mounting groove has been seted up to the inboard symmetry of installation piece 2, and the quantity of mounting groove is two, two connecting blocks 5 respectively with two mounting groove joints, the quantity of locating piece 6 is two, the constant head tank has been seted up to the inboard of installation piece 2, and the quantity of constant head tank is two, two locating pieces 6 respectively with two constant head tank joints, mounting panel 7 and 2 swing joint of installation piece, spring washer 9 and 2 swing joint of installation piece.
In addition, through setting up spring washer 9, can improve the stability that screw body 1 connects, through setting up locking washer 10, can improve the fastness that screw body 1 connects, through setting up two connecting blocks 5, two mounting grooves, two locating pieces 6 and two constant head tanks, can carry on spacingly to mounting panel 7 and screw head 8.
In order to realize the dismounting and mounting functions of the dismounting and mounting mechanism 300, as shown in fig. 1 and fig. 2, the dismounting and mounting mechanism 300 in this embodiment includes a threaded block 301 mounted inside the mounting block 2, the inner side of the threaded block 301 is connected with a threaded rod 302, the inner side of the threaded block 301 is provided with a threaded hole adapted to the outer side thread of the threaded rod 302, the threaded rod 302 is close to one end of the connecting block 5 and is fixedly connected with a rolling bearing 303, the outer side of the rolling bearing 303 is fixedly connected with a movable push block 304, wherein the mounting block 2 is fixedly connected with the threaded block 301, the rolling bearing 303 is composed of an inner ring, a ball and an outer ring, the inner ring is fixedly connected with the threaded rod 302, the outer ring is fixedly connected with the movable push block 304, and both the inner ring and the outer ring are movably connected with the ball.
In addition, one side fixedly connected with installation square 305 that activity ejector pad 304 is close to connecting block 5, the installation square groove has all been seted up to the inboard of two connecting blocks 5, the quantity of activity ejector pad 304 and installation square 305 is two, two installation square 305 respectively with two installation square groove joint, two activity ejector pads 304 respectively with two connecting block 5 swing joint, threaded rod 302 keeps away from the one end fixedly connected with activity turning handle 306 of connecting block 5, threaded rod 302 keeps away from the one end of activity turning handle 306 and runs through installation piece 2 in proper order, threaded block 301, activity ejector pad 304 and antifriction bearing 303 and extend to the inboard of antifriction bearing 303, one side fixedly connected with sliding block 307 that connecting block 5 was kept away from to activity ejector pad 304, the inboard fixedly connected with slide bar 308 of installation piece 2.
The inner side of the sliding block 307 is provided with a sliding hole with the diameter equal to that of the sliding rod 308, the sliding hole is in sliding connection with the sliding rod 308, the right side of the sliding rod 308 is provided with a limiting round block, the diameter of the limiting round block is larger than that of the sliding hole, the number of the thread block 301, the threaded rod 302, the rolling bearing 303, the movable push block 304, the number of the mounting block 305 and the number of the movable rotating handle 306 are two, and the number of the sliding rod 308 and the number of the sliding block 307 are four.
In addition, through setting up antifriction bearing 303, can restrict the activity ejector pad 304 and carry out the circumferential rotation, through setting up two installation squares 305 and two installation square grooves, can improve the stability of connecting block 5 installation, through setting up slide bar 308 and sliding block 307, can improve the stability that the activity ejector pad 304 moved about, through setting up spacing circle piece, can carry out spacingly to sliding block 307.
In order to realize the positioning function of the positioning mechanism 400, as shown in fig. 1 and fig. 3, the positioning mechanism 400 in this embodiment includes a fixing block 401, the mounting block 2 is fixedly connected to the fixing block 401, a buffer spring 402 is fixedly connected to the inner side of the fixing block 401, a movable block 403 is fixedly connected to the outer side of the buffer spring 402, a movable block is fixedly connected to the outer side of the movable block 403, a movable elongated slot is formed in the inner side of the fixing block 401, the movable block is slidably connected to the movable elongated slot, and the movable block 403 is located on the inner side of the fixing block 401.
The outside fixedly connected with movable rod 404 of movable block 403, the outside fixedly connected with stopper 405 of movable rod 404, wherein, spacing draw-in groove has all been seted up to the inboard of two locating pieces 6, stopper 405 and spacing draw-in groove joint, fixed block 401, buffer spring 402, movable block 403, the quantity of movable rod 404 and stopper 405 is two sets of, every group fixed block 401, buffer spring 402, movable block 403, the quantity of movable rod 404 and stopper 405 is two, the one end that movable block 403 was kept away from to movable rod 404 runs through fixed block 401 and extends to the outside of stopper 405.
In addition, the positioning effect of the positioning block 6 can be improved by arranging the limiting block 405 and the limiting clamping groove, the stability of the movable block 403 in left-right movement can be improved by arranging the movable block and the movable elongated slot, and the movable block 403 can have the buffering effect by arranging the buffer spring 402.
The working principle of the above embodiment is as follows:
1. when the change is dismantled to screw head 8 to needs, can drive threaded rod 302 through rotating movable turning handle 306 and rotate, because threaded rod 302 and screw block 301 threaded connection, so threaded rod 302 pivoted in-process can drive antifriction bearing 303 in proper order, remove about movable ejector pad 304 and the installation square 305, make installation square 305 and connecting block 5 separation, it is spacing to make connecting block 5 lose, reuse power pulling mounting panel 7 makes buffer spring 402 be in compression state, make stopper 405 and locating piece 6 separate, make locating piece 6 lose spacingly, thereby can take connecting block 5 and locating piece 6 out from the inboard of installation piece 2, can dismantle the change to screw head 8.
2. When needing to install fixedly to screw head 8, insert the inboard of installation piece 2 with connecting block 5 and locating piece 6, make buffer spring 402 be in compression state, thereby can insert the inboard of installation piece 2 completely with connecting block 5 and locating piece 6, can be with the inboard of stopper 405 bullet into locating piece 6 through buffer spring 402, can carry out preliminary location to locating piece 6 and connecting block 5, avoid connecting block 5 to take place the phenomenon of skew at the fixed in-process of installation, rethread rotation activity turning handle 306 can drive threaded rod 302 and rotate, because threaded rod 302 and threaded block 301 threaded connection, so threaded rod 302 pivoted in-process, can drive antifriction bearing 303 in proper order, remove about activity ejector pad 304 and the installation square 305 and control, make installation square 305 and connecting block 5 laminate, thereby can be to connecting block 5, mounting panel 7 and screw head 8 fix, the fixed purpose of screw head 8 installation has been realized.
Compared with the prior art, overall structure is simple, facilitates the use, has realized the self-drilling screw and has been convenient for change screwed joint's purpose, and when screwed joint appeared smooth phenomenon, need not scrap whole self-drilling screw, avoided causing the waste of resource, improved the life of self-drilling screw, improved self-drilling screw's availability factor and result of use.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A self-drilling screw is characterized in that: the screw head mounting structure comprises a screw body (1), a mounting block (2), a dismounting mechanism (300), a positioning mechanism (400) and a screw head (8), wherein the mounting block (2) is positioned above the screw body (1), the dismounting mechanism (300) is arranged on the mounting block (2), the positioning mechanism (400) is arranged on the mounting block (2), and the screw head (8) is positioned above the mounting block (2) and is connected with the mounting block (2) through the positioning mechanism (400);
dismouting mechanism (300) are including screw block (301), the inboard threaded connection of screw block (301) has threaded rod (302), the outside fixedly connected with antifriction bearing (303) of threaded rod (302), the outside fixedly connected with activity ejector pad (304) of antifriction bearing (303), the outside fixedly connected with installation square (305) of activity ejector pad (304), the outside fixedly connected with activity turning handle (306) of threaded rod (302), the outside fixedly connected with sliding block (307) of activity ejector pad (304), the inboard fixedly connected with of installation piece (2) and sliding block (307) sliding connection's slide bar (308), installation piece (2) and screw block (301) fixed connection.
2. A self drilling screw as defined in claim 1, wherein: positioning mechanism (400) includes fixed block (401), inboard fixedly connected with buffer spring (402) of fixed block (401), outside fixedly connected with movable block (403) of buffer spring (402), outside fixedly connected with movable rod (404) of movable block (403), outside fixedly connected with stopper (405) of movable rod (404), installation piece (2) and fixed block (401) fixed connection.
3. A self drilling screw as defined in claim 2, wherein: the utility model discloses a screw machine, including installation piece (2), the inboard swing joint of installation piece (2) has connecting block (5), the bottom fixedly connected with locating piece (6) of connecting block (5), the top fixedly connected with mounting panel (7) of connecting block (5), the outside swing joint of screw body (1) has spring washer (9), the outside swing joint of screw body (1) has locking gasket (10), mounting panel (7) and screw head (8) fixed connection, screw body (1) and installation piece (2) fixed connection.
4. A self drilling screw as defined in claim 1, wherein: the rolling bearing (303) is composed of an inner ring, a ball and an outer ring, the inner ring is fixedly connected with the threaded rod (302), the outer ring is fixedly connected with the movable push block (304), and the inner ring and the outer ring are movably connected with the ball.
5. A self drilling screw as defined in claim 3, wherein: the quantity of connecting block (5) is two, the mounting groove has been seted up to the inboard of installation piece (2), and the quantity of mounting groove is two, two connecting block (5) respectively with two mounting groove joints.
6. A self drilling screw as defined in claim 3, wherein: two installation square grooves have all been seted up to the inboard of connecting block (5), the quantity of activity ejector pad (304) and installation square (305) is two, two installation square (305) respectively with two installation square groove joint, two activity ejector pad (304) respectively with two connecting block (5) swing joint.
7. A self drilling screw as defined in claim 3, wherein: the quantity of locating piece (6) is two, the constant head tank has been seted up to the inboard of installation piece (2), and the quantity of constant head tank is two, two locating piece (6) respectively with two constant head tank joints, two spacing draw-in groove has all been seted up to the inboard of locating piece (6), stopper (405) and spacing draw-in groove joint.
8. The self-drilling screw of claim 1, wherein: the inner side of the sliding block (307) is provided with a sliding hole with the diameter equal to that of the sliding rod (308), the sliding hole is connected with the sliding rod (308) in a sliding mode, the right side of the sliding rod (308) is provided with a limiting round block, and the diameter of the limiting round block is larger than that of the sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222194096.2U CN217842300U (en) | 2022-08-20 | 2022-08-20 | Self-drilling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222194096.2U CN217842300U (en) | 2022-08-20 | 2022-08-20 | Self-drilling screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842300U true CN217842300U (en) | 2022-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222194096.2U Active CN217842300U (en) | 2022-08-20 | 2022-08-20 | Self-drilling screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842300U (en) |
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2022
- 2022-08-20 CN CN202222194096.2U patent/CN217842300U/en active Active
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