CN111255789B - Bolt with changeable thread area - Google Patents
Bolt with changeable thread area Download PDFInfo
- Publication number
- CN111255789B CN111255789B CN202010221455.1A CN202010221455A CN111255789B CN 111255789 B CN111255789 B CN 111255789B CN 202010221455 A CN202010221455 A CN 202010221455A CN 111255789 B CN111255789 B CN 111255789B
- Authority
- CN
- China
- Prior art keywords
- bolt
- screw rod
- column
- bolt column
- outer side
- 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.)
- Expired - Fee Related
Links
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/02—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws divided longitudinally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/83—Use of a magnetic material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Supports Or Holders For Household Use (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The embodiment of the invention discloses a bolt with a changeable thread area, which comprises a bolt column, wherein a screw rod is movably arranged at the center of the interior of the bolt column, a sliding sleeve is arranged on the outer side of the screw rod and is in threaded connection with the screw rod, an external thread sleeve is arranged on the outer side of the bolt column, a connecting rod is fixedly arranged on the outer side of the sliding sleeve, the external thread sleeve is connected with the sliding sleeve through the connecting rod, and a cavity is arranged on the inner side of the bottom of the bolt column; according to the bolt, the screw rod is rotated clockwise, the screw rod drives the sliding sleeve to move upwards, the sliding sleeve drives the external thread sleeve to slide upwards on the outer side of the bolt column through the connecting rod, otherwise, when the screw rod is rotated anticlockwise, the external thread sleeve slides downwards on the outer side of the bolt column, after the bolt is adjusted properly, the cover plate is connected with the bolt column through the magnet column, the cross frame at the top of the cover plate is embedded into the cross groove at the bottom end of the screw rod to fix the screw rod, the thread area of the bolt can be changed, the bolt is convenient to use, and the practicability is good.
Description
Technical Field
The present invention relates to the field of bolt technology, and more particularly, to a bolt with a changeable threaded area.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, and a fastener composed of a head part and a screw (a cylinder with external threads) need to be matched with the nut and is used for fastening and connecting two parts with through holes;
the prior art has the following defects: the screw thread of bolt is usually according to the fixed whole outside of seting up in the top outside of bolt, the bottom outside or the bolt of the model of bolt, because when the work piece of different sizes is connected, the bolt screw thread region that needs to use is inconsistent, therefore the bolt of single model can not satisfy the connection demand of work piece in the certain limit, is not convenient for use, and the practicality is poor.
Therefore, it is necessary to develop a bolt with a changeable thread region to solve the above problems.
Disclosure of Invention
Therefore, the embodiment of the invention provides the bolt with the changeable thread area, the screw rod rotates clockwise to drive the sliding sleeve to move upwards, the sliding sleeve drives the external thread sleeve to slide upwards outside the bolt column through the connecting rod, otherwise, when the screw rod rotates anticlockwise, the external thread sleeve slides downwards outside the bolt column, after the bolt is adjusted properly, the cover plate is connected with the bolt column through the magnet column, the cross frame at the top of the cover plate is embedded into the cross groove at the bottom end of the screw rod to fix the screw rod, the thread area of the bolt can be changed, the bolt is convenient to use, and the bolt is good in practicability, so that the problems in the background technology are solved.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a bolt with a changeable thread area comprises a bolt column, wherein a screw rod is movably arranged at the center of the interior of the bolt column, a sliding sleeve is arranged on the outer side of the screw rod and is in threaded connection with the screw rod, an external thread sleeve is arranged on the outer side of the bolt column, a connecting rod is fixedly arranged on the outer side of the sliding sleeve, the external thread sleeve is connected with the sliding sleeve through the connecting rod, a cavity is arranged on the inner side of the bottom of the bolt column, and the sliding sleeve is in sliding connection with the cavity;
the bottom of bolt post is equipped with the apron, the fixed cross that is equipped with in top center department of apron, the bottom center department of screw rod is equipped with the cross recess, just cross and cross recess phase-match, the top of apron is equipped with the magnet post, just the apron passes through the magnet post with the bolt post and is connected.
Preferably, bearings are arranged on the outer sides of the top end and the bottom of the screw rod, and the screw rod is connected with the bolt column through the bearings.
Preferably, the external thread sleeve is embedded outside the bottom of the bolt column and is in sliding connection with the bolt column.
Preferably, the connecting rods are four, and the four connecting rods are distributed in central symmetry with respect to the sliding sleeve.
Preferably, the outer side of the cavity is provided with sliding grooves corresponding to the four connecting rods in position, and the connecting rods are matched with the sliding grooves.
Preferably, the number of the magnet columns is four, and the four magnet columns are distributed in central symmetry with respect to the cover plate.
Preferably, the bottom of bolt post is equipped with the recess corresponding with four magnet post positions, just the magnet post embedding sets up in the recess, magnet post and bolt post magnetism are connected.
Preferably, the top of bolt post is fixed and is equipped with the stopper, just the stopper is integral type structural design with the bolt post, the top center department of stopper is equipped with the hexagonal groove.
The embodiment of the invention has the following advantages:
according to the bolt, the screw rod is rotated clockwise, the screw rod drives the sliding sleeve to move upwards, the sliding sleeve drives the external thread sleeve to slide upwards on the outer side of the bolt column through the connecting rod, otherwise, when the screw rod is rotated anticlockwise, the external thread sleeve slides downwards on the outer side of the bolt column, after the bolt is adjusted properly, the cover plate is connected with the bolt column through the magnet column, the cross frame at the top of the cover plate is embedded into the cross groove at the bottom end of the screw rod to fix the screw rod, compared with the existing bolt with an unadjustable thread area, the thread area of the bolt can be changed, the bolt is convenient to use, and the bolt is good in practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a longitudinal sectional view of the present invention.
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.
FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention.
FIG. 4 is a usage scenario diagram of the present invention.
Fig. 5 is a partial structural schematic view of the cover plate of the present invention.
In the figure: 1. a bolt column; 2. a screw; 3. a sliding sleeve; 4. a connecting rod; 5. an external thread sleeve; 6. a cavity; 7. a chute; 8. a cover plate; 9. a cross; 10. a magnetic column; 11. a bearing; 12. a limiting block; 13. a hexagonal groove.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 invention.
The invention provides a bolt with a changeable thread area as shown in figures 1-5, which comprises a bolt column 1, wherein a screw rod 2 is movably arranged at the center inside the bolt column 1, a sliding sleeve 3 is arranged on the outer side of the screw rod 2, the sliding sleeve 3 is in threaded connection with the screw rod 2, an external thread sleeve 5 is arranged on the outer side of the bolt column 1, a connecting rod 4 is fixedly arranged on the outer side of the sliding sleeve 3, the external thread sleeve 5 is connected with the sliding sleeve 3 through the connecting rod 4, a cavity 6 is arranged on the inner side of the bottom of the bolt column 1, and the sliding sleeve 3 is in sliding connection with the cavity 6;
a cover plate 8 is arranged at the bottom end of the bolt column 1, a cross 9 is fixedly arranged at the center of the top of the cover plate 8, a cross groove is arranged at the center of the bottom end of the screw 2, the cross 9 is matched with the cross groove, a magnet column 10 is arranged at the top of the cover plate 8, and the cover plate 8 is connected with the bolt column 1 through the magnet column 10;
further, in the above technical scheme, bearings 11 are arranged on the top end and the outer side of the bottom of the screw rod 2, the screw rod 2 is connected with the bolt column 1 through the bearings 11, and the rotation of the screw rod 2 is facilitated through the arranged bearings 11;
further, in the above technical scheme, the external thread sleeve 5 is embedded and sleeved outside the bottom of the bolt column 1, and the external thread sleeve 5 is slidably connected with the bolt column 1, so that the position of the external thread sleeve 5 can be conveniently adjusted;
further, in the above technical solution, four connecting rods 4 are provided, and the four connecting rods 4 are distributed in central symmetry with respect to the sliding sleeve 3, and the external thread sleeve 5 is reinforced by the provided connecting rods 4;
further, in the above technical solution, the outside of the cavity 6 is provided with sliding grooves 7 corresponding to the positions of the four connecting rods 4, and the connecting rods 4 are matched with the sliding grooves 7, so that the sliding of the connecting rods 4 is facilitated through the arranged sliding grooves 7;
further, in the above technical solution, four magnet columns 10 are provided, and the four magnet columns 10 are distributed in central symmetry with respect to the cover plate 8, and the cover plate 8 is reinforced by the provided magnet columns 10;
further, in the above technical solution, the bottom of the bolt column 1 is provided with grooves corresponding to the positions of the four magnet columns 10, the magnet columns 10 are embedded in the grooves, the magnet columns 10 are magnetically connected with the bolt column 1, and the arrangement of the magnet columns 10 is facilitated through the grooves;
further, in the above technical scheme, the top end of the bolt column 1 is fixedly provided with a limiting block 12, the limiting block 12 and the bolt column 1 are in an integrated structure design, a hexagonal groove 13 is formed in the center of the top of the limiting block 12, and the bolt column 1 can be conveniently placed through the arranged limiting block 12.
The implementation mode is specifically as follows: according to the thickness of the connecting workpiece, the position of the external thread sleeve 5 on the outer side of the bolt column 1 can be adjusted in a way that the cover plate 8 is taken down from the bottom of the bolt column 1, a cross screwdriver is inserted into a cross groove at the bottom end of the screw 2, when the screw 2 is rotated clockwise, the screw 2 drives the sliding sleeve 3 to move upwards, the sliding sleeve 1 drives the external thread sleeve 5 to slide upwards on the outer side of the bolt column 1 through the connecting rod 4, otherwise when the screw 2 is rotated anticlockwise, the external thread sleeve 5 slides downwards on the outer side of the bolt column 1, after the adjustment is proper, the cover plate 8 is connected with the bolt column 1 through the magnet column 10, a cross 9 on the top of the cover plate 8 is embedded into the cross groove at the bottom end of the screw 2 to fix the screw 2, so as to prevent the external thread sleeve 5 from moving, after the adjustment is proper, the workpiece can be connected through the matching of the bolt and the nut, the thread area of the bolt can be changed and is convenient to use, the practicality is good, and this embodiment has specifically solved the poor problem of bolt practicality among the prior art.
The working principle is as follows: when clockwise turning screw rod 2, screw rod 2 drives sliding sleeve 3 and moves up, and sliding sleeve 1 drives external screw thread cover 5 through connecting rod 4 and slides in the outside of bolt post 1 and move up, and when anticlockwise turning screw rod 2 otherwise, external screw thread cover 5 then slides in the outside of bolt post 1 and moves down, adjusts suitable back, is connected apron 8 with bolt post 1 through magnet post 10, and the cross 9 at apron 8 top is embedded into the cross recess of 2 bottoms of screw rod and is fixed screw rod 2.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A bolt with a changeable threaded area, comprising a bolt shank (1), characterized in that: a screw rod (2) is movably arranged at the center of the interior of the bolt column (1), a sliding sleeve (3) is arranged on the outer side of the screw rod (2), the sliding sleeve (3) is in threaded connection with the screw rod (2), an external thread sleeve (5) is arranged on the outer side of the bolt column (1), a connecting rod (4) is fixedly arranged on the outer side of the sliding sleeve (3), the external thread sleeve (5) is connected with the sliding sleeve (3) through the connecting rod (4), a cavity (6) is arranged on the inner side of the bottom of the bolt column (1), and the sliding sleeve (3) is in sliding connection with the cavity (6);
a cover plate (8) is arranged at the bottom end of the bolt column (1), a cross (9) is fixedly arranged at the center of the top of the cover plate (8), a cross groove is arranged at the center of the bottom end of the screw (2), the cross (9) is matched with the cross groove, a magnet column (10) is arranged at the top of the cover plate (8), and the cover plate (8) is connected with the bolt column (1) through the magnet column (10);
the external thread sleeve (5) is embedded and sleeved on the outer side of the bottom of the bolt column (1), and the external thread sleeve (5) is connected with the bolt column (1) in a sliding mode;
the number of the connecting rods (4) is four, and the four connecting rods (4) are distributed in central symmetry relative to the sliding sleeve (3);
the outer side of the cavity (6) is provided with sliding chutes (7) corresponding to the positions of the four connecting rods (4), and the connecting rods (4) are matched with the sliding chutes (7).
2. A bolt whose threaded area is changeable according to claim 1, wherein: the top end and the bottom outer side of the screw rod (2) are respectively provided with a bearing (11), and the screw rod (2) is connected with the bolt column (1) through the bearings (11).
3. A bolt whose threaded area is changeable according to claim 1, wherein: the number of the magnet columns (10) is four, and the magnet columns (10) are distributed in a central symmetry mode relative to the cover plate (8).
4. A bolt whose threaded area is changeable according to claim 1, wherein: the bottom of bolt post (1) is equipped with the recess corresponding with four magnet post (10) positions, just magnet post (10) embedding sets up in the recess, magnet post (10) and bolt post (1) magnetism are connected.
5. A bolt whose threaded area is changeable according to claim 1, wherein: the bolt column is characterized in that a limiting block (12) is fixedly arranged at the top end of the bolt column (1), the limiting block (12) and the bolt column (1) are in an integrated structural design, and a hexagonal groove (13) is formed in the center of the top of the limiting block (12).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010221455.1A CN111255789B (en) | 2020-03-26 | 2020-03-26 | Bolt with changeable thread area |
| CN202111178379.1A CN113898654B (en) | 2020-03-26 | 2020-03-26 | Use method of bolt with changeable threaded area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010221455.1A CN111255789B (en) | 2020-03-26 | 2020-03-26 | Bolt with changeable thread area |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111178379.1A Division CN113898654B (en) | 2020-03-26 | 2020-03-26 | Use method of bolt with changeable threaded area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111255789A CN111255789A (en) | 2020-06-09 |
| CN111255789B true CN111255789B (en) | 2021-11-19 |
Family
ID=70953317
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111178379.1A Active CN113898654B (en) | 2020-03-26 | 2020-03-26 | Use method of bolt with changeable threaded area |
| CN202010221455.1A Expired - Fee Related CN111255789B (en) | 2020-03-26 | 2020-03-26 | Bolt with changeable thread area |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111178379.1A Active CN113898654B (en) | 2020-03-26 | 2020-03-26 | Use method of bolt with changeable threaded area |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113898654B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205937384U (en) * | 2016-06-27 | 2017-02-08 | 海天塑机集团有限公司 | Buffering expansion screw |
| CN206449085U (en) * | 2017-01-19 | 2017-08-29 | 浙江精劲机械有限公司 | A kind of two-part screw rod |
| CN206636911U (en) * | 2017-04-10 | 2017-11-14 | 杭州安锋达机械有限公司 | A kind of modified form bolt |
| CN109058264A (en) * | 2018-09-12 | 2018-12-21 | 江苏永昊高强度螺栓有限公司 | A kind of bolt with length adjustment function |
| CN110714965A (en) * | 2019-10-17 | 2020-01-21 | 耿梓越 | Hexagon socket head cap screw fastener |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8400345D0 (en) * | 1984-01-06 | 1984-02-08 | Avdel Ltd | Blind fastener |
| US7695226B2 (en) * | 2006-09-21 | 2010-04-13 | Alcoa Global Fasteners, Inc. | High performance sleeved interference fasteners for composite applications |
| CN205064509U (en) * | 2015-09-02 | 2016-03-02 | 无锡市东赫金属制品有限公司 | Concatenation formula bolt |
| CN206386364U (en) * | 2017-01-19 | 2017-08-08 | 浙江金诺机械有限公司 | Segmented screw rod |
| CN206918007U (en) * | 2017-06-15 | 2018-01-23 | 宁波群力紧固件制造有限公司 | A kind of bolt of adjustable in length |
| CN108506802A (en) * | 2018-04-08 | 2018-09-07 | 胡和萍 | A kind of LED illumination lamp convenient for adjusting |
| CN208669805U (en) * | 2018-06-25 | 2019-03-29 | 芜湖金宇紧固件有限公司 | A kind of novel Combined screw pin structure |
-
2020
- 2020-03-26 CN CN202111178379.1A patent/CN113898654B/en active Active
- 2020-03-26 CN CN202010221455.1A patent/CN111255789B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205937384U (en) * | 2016-06-27 | 2017-02-08 | 海天塑机集团有限公司 | Buffering expansion screw |
| CN206449085U (en) * | 2017-01-19 | 2017-08-29 | 浙江精劲机械有限公司 | A kind of two-part screw rod |
| CN206636911U (en) * | 2017-04-10 | 2017-11-14 | 杭州安锋达机械有限公司 | A kind of modified form bolt |
| CN109058264A (en) * | 2018-09-12 | 2018-12-21 | 江苏永昊高强度螺栓有限公司 | A kind of bolt with length adjustment function |
| CN110714965A (en) * | 2019-10-17 | 2020-01-21 | 耿梓越 | Hexagon socket head cap screw fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113898654A (en) | 2022-01-07 |
| CN111255789A (en) | 2020-06-09 |
| CN113898654B (en) | 2023-02-03 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211103 Address after: 318000 Xuanmen industrial city, Lupu Town, Yuhuan County, Taizhou City, Zhejiang Province Applicant after: Taizhou YUANTUO Machinery Co.,Ltd. Address before: 213000 Hehai University, Hehai Road, Xinbei District, Changzhou City, Jiangsu Province Applicant before: Lu Tao |
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Granted publication date: 20211119 |
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