CN114893487B - Quick bolt - Google Patents
Quick bolt Download PDFInfo
- Publication number
- CN114893487B CN114893487B CN202210353962.XA CN202210353962A CN114893487B CN 114893487 B CN114893487 B CN 114893487B CN 202210353962 A CN202210353962 A CN 202210353962A CN 114893487 B CN114893487 B CN 114893487B
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- China
- Prior art keywords
- positioning
- groove
- arc
- rotary disk
- bolt head
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- 230000010006 flight Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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
- F16B35/04—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a quick bolt, which comprises a bolt head, wherein a shaft rod extending downwards is arranged on the lower end face of the bolt head, a shoulder is arranged at the lower end of the shaft rod, an external thread component is arranged between the bolt head and the shoulder on the outer side of the circumference of the shaft rod, the bolt head is connected with a rotary disk in a rotary mode, the rotary disk is connected with the external thread component, when the rotary disk rotates to a first position, the external thread component is spread to form a thread column, and when the rotary disk rotates to a second position, the external thread component is close to the shaft rod; the outer side of the shaft lever is provided with a positioning component which is used for positioning the external thread component at a position of expanding to form a thread column; the quick bolt is simple in structure and can be quickly disassembled.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to a quick bolt.
Background
The prior art bolt is a fastener consisting of a head part and a screw rod, and is matched with a nut for fastening and connecting two parts with through holes. If the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection. In the prior art, due to the characteristic of threaded connection, when the existing bolt is detached, the nut needs to be screwed off from the bolt, and then the bolt can be detached, the process needs a long time, and for a plurality of parts fixed by the bolts, the work load is consumed greatly during the detachment.
Disclosure of Invention
The invention aims to provide a quick bolt which is simple in structure and can be quickly disassembled.
In order to achieve the above purpose, the present invention provides the following technical solutions: the quick bolt comprises a bolt head, wherein a shaft rod extending downwards is arranged on the lower end face of the bolt head, a shoulder is arranged at the lower end of the shaft rod, an external thread component is arranged between the bolt head and the shoulder on the outer side of the circumference of the shaft rod, a rotating disc is connected with the bolt head in a rotating mode, the rotating disc is connected with the external thread component, when the rotating disc rotates to a first position, the external thread component is spread to form a thread column, and when the rotating disc rotates to a second position, the external thread component is close to the shaft rod and contracts; the outside of axostylus axostyle is equipped with locating component, locating component is used for propping up the external screw thread subassembly and forms the screw thread post position.
Further, the external thread component comprises a plurality of arc thread pieces which are uniformly arranged at the outer side of the shaft rod along the circumferential interval of the shaft rod; a plurality of arc grooves which are in one-to-one correspondence with the arc thread pieces are uniformly arranged in the bolt head along the circumferential direction of the shaft rod at intervals, a plurality of radial grooves which are in one-to-one correspondence with the arc grooves are arranged in the rotary disk, the upper end of each arc thread piece is provided with an arc poking plate which extends into the corresponding arc groove, and the upper end of each arc poking plate is provided with a convex rod which extends upwards into the radial groove; when the rotating disk rotates to the first position, the convex rod is positioned at the distal end of the radial groove, and when the rotating disk rotates to the second position, the convex rod is positioned at the proximal end of the radial groove.
Further, an inner hexagonal groove with an opening at the upper end is arranged in the rotating disc; the inner hexagonal groove is arranged, so that the inner hexagonal wrench can be used for conveniently rotating the rotating disc.
Further, the positioning assembly comprises a positioning sliding sleeve, the positioning sliding sleeve slides outside the shaft rod along the axial direction of the shaft rod, a positioning disk is arranged at the lower end of the positioning sliding sleeve, and a groove for the positioning disk to extend in is formed in the shoulder; a first spring for forcing the positioning disc to move upwards is arranged in the groove; the rotary disk is internally provided with a positioning hole with an opening at the lower end, the upper end of the positioning sliding sleeve is provided with a positioning pin which penetrates through the bolt head and stretches into the positioning hole, and the positioning hole is internally connected with a positioning rod in a sliding way, the upper end of the positioning rod stretches into the inner hexagonal groove.
Further, when the rotary disk rotates to the first position, the positioning pin stretches into the positioning hole, the upper end of the positioning rod stretches into the inner hexagonal groove, and when the rotary disk rotates to the second position, the positioning pin is separated from the positioning hole, and the lower end of the positioning rod is abutted against the bolt head.
Further, a vertical sliding groove is axially formed in the positioning sliding sleeve, and a limiting sliding pin extending into the vertical sliding groove is fixedly arranged on the outer side of the shaft rod; the positioning sliding sleeve is guaranteed to axially slide along the shaft rod through the cooperation of the limiting sliding pin and the vertical sliding groove.
Further, a rotating groove coaxial with the shaft lever is arranged in the bolt head, and the rotating disk is connected in the rotating groove in a rotating way.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the arc thread pieces are connected end to end by using the split arc thread pieces, the whole thread column can be spliced, the arc thread pieces are controlled to slide, the arc thread pieces shrink towards the center close to the shaft rod, the arc thread pieces can be separated from threaded connection with the nut, and therefore the nut can be quickly disassembled;
2. the arc-shaped thread pieces with the ends provided with the circular arcs are used, so that the arc-shaped thread pieces cannot touch each other when sliding towards the center, and further the arc-shaped thread pieces can be smoothly contracted;
3. the rotary disk is matched with the bolt head, so that the arc-shaped thread piece can be driven to move by controlling the rotation of the rotary disk to shrink towards the center, and the rotary disk is quick and convenient;
4. through using the positioning sliding sleeve for when the arc screw thread piece struts and pieces together into the screw thread post, the positioning sliding sleeve drives the positioning disk under the promotion of first spring and gets into inside a plurality of arc screw thread pieces, and then supports the arc screw thread piece, positioning sliding sleeve upper end locating pin and rotary disk cooperation simultaneously, fixes a position the rotary disk, and then fixes a position the arc screw thread piece. The thread column formed by the arc thread pieces is stable and durable.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along the direction C-C in FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the present invention with the bolts removed;
FIG. 6 is a cross-sectional view taken along the direction D-D in FIG. 5 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken along the direction E-E in FIG. 5 in accordance with the present invention;
fig. 8 is a cross-sectional view taken along the direction F-F in fig. 5 in accordance with the present invention.
Detailed Description
Referring to fig. 1-8, a quick bolt comprises a bolt head 1, wherein a shaft lever 1a extending downwards is arranged on the lower end face of the bolt head 1, a shoulder 1b is arranged on the lower end of the shaft lever 1a, an external thread component is arranged between the bolt head 1 and the shoulder 1b on the outer side of the circumference of the shaft lever 1a, a rotary disk 2 is rotationally connected with the bolt head 1, in this embodiment, a rotary groove 1c coaxial with the shaft lever 1a is arranged in the bolt head 1, and the rotary disk 2 is rotationally connected in the rotary groove 1 c; the rotary disk 2 is connected with an external thread component, when the rotary disk 2 rotates to a first position, the external thread component is spread to form a thread column, and when the rotary disk 2 rotates to a second position, the external thread component is drawn close to the shaft rod 1a and contracted; the outside of axostylus axostyle 1a is equipped with the locating component, the locating component is used for propping up the external screw thread subassembly and forms the screw thread post position.
The external thread assembly comprises a plurality of arc thread pieces 33, and the arc thread pieces 33 are uniformly arranged at the outer side of the shaft 1a along the circumferential interval of the shaft 1 a; a plurality of arc grooves 11 which are in one-to-one correspondence with the arc thread pieces 33 are uniformly arranged in the bolt head 1 along the circumferential direction interval of the shaft rod 1a, a plurality of radial grooves 21 which are in one-to-one correspondence with the arc grooves 11 are arranged in the rotary disk 2, the upper end of each arc thread piece 33 is provided with an arc poking plate 31 which extends into the corresponding arc groove 11, and the upper end of each arc poking plate 31 is provided with a convex rod 32 which extends upwards and extends into the radial groove 21; the projection 32 is located at the distal end of the radial slot 21 when the rotatable disk 2 is rotated to the first position, and the projection 32 is located at the proximal end of the radial slot 21 when the rotatable disk 2 is rotated to the second position. An inner hexagonal groove 22 with an opening at the upper end is arranged in the rotary disk 2; providing the socket 22 can facilitate rotation of the rotary disk 2 with a socket wrench.
The positioning assembly comprises a positioning sliding sleeve 4, the positioning sliding sleeve 4 slides outside the shaft rod 1a along the axial direction of the shaft rod 1a, in this embodiment, a vertical sliding groove 4a is axially arranged in the positioning sliding sleeve 4, and a limiting sliding pin 4b extending into the vertical sliding groove 4a is fixedly arranged outside the shaft rod 1 a; the positioning sliding sleeve 4 is ensured to axially slide along the shaft rod 1a through the cooperation of the limiting sliding pin 4b and the vertical sliding groove 4 a. The lower end of the positioning sliding sleeve 4 is provided with a positioning disc 4c, and a groove 1d for the positioning disc 4c to extend into is arranged in the shoulder 1 b; a first spring 5 for forcing the positioning disc 4c to move upwards is arranged in the groove 1d; the rotary disk 2 is internally provided with a positioning hole 23 with an opening at the lower end, the upper end of the positioning sliding sleeve 4 is provided with a positioning pin 42 which is used for penetrating through the bolt head 1 and extending into the positioning hole 23, and the positioning hole 23 is in sliding connection with a positioning rod 6 with the upper end extending into the inner hexagonal groove 22. When the rotary disc 2 is rotated to the first position, the positioning pin 42 extends into the positioning hole 23, the upper end of the positioning rod 6 extends into the inner hexagonal groove 22, and when the rotary disc 2 is rotated to the second position, the positioning pin 42 is separated from the positioning hole 23, and the lower end of the positioning rod 6 abuts against the bolt head 1.
As shown in fig. 1, when the quick bolt of the present invention needs to be disassembled, firstly, a hexagonal wrench is needed to be used to insert into the inner hexagonal groove 22 on the rotating disc 2, the positioning pin 42 is pushed down by the positioning rod 6, so that the positioning sliding sleeve 4 overcomes the first spring 5 and moves down, the positioning pin 42 withdraws from the positioning hole 23, meanwhile, the positioning disc 4c enters the groove 1d downwards, the positioning disc 4c is arranged under the plurality of arc thread pieces 33, the arc thread pieces 33 are not blocked to slide towards the direction close to the shaft rod 1a, then the hexagonal wrench is rotated anticlockwise, the rotating disc 2 is driven to rotate, the positioning hole 23 and the positioning pin 42 are staggered, the positioning disc 4c is kept at the position in the groove 1d, in addition, the arc poking plate 31 is in sliding fit in the arc groove 11, and the protruding rod 32 is in sliding fit in the radial groove 21, so that when the rotating disc 2 rotates, the arc thread pieces 33 are driven to draw close towards the shaft rod 1a direction, and the arc thread pieces 33 do not touch each other when the rotating disc 2 rotates towards the center, and the second position is separated from the arc thread piece 33, and the quick nut 8 is separated from the nut.
When the quick bolt is needed to be used for fastening connection, firstly, a hexagonal wrench is used for being inserted into the inner hexagonal groove 22 on the rotary disk 2, the rotary disk 2 is rotated clockwise, as the arc poking plate 31 is matched in a sliding mode in the arc groove 11, and the convex rod 32 is matched in a sliding mode in the radial groove 21, so that the arc thread piece 33 is driven to slide outwards along the arc groove 11, when the rotary disk 2 rotates to a first position, the arc poking plate 31 moves to the outer end of the arc groove 11, the arc thread piece 33 forms a whole circle, all the arc thread pieces 33 form a thread column, complete threads are formed on the thread column, at the moment, the positioning hole 23 coincides with the positioning pin 42, the hexagonal wrench is pulled out, the positioning sliding sleeve 4 is pushed to move upwards under the action of the first spring 5, the positioning pin 42 enters the positioning hole 23, the rotary disk 2 is positioned, the arc thread piece 33 is positioned, meanwhile, the positioning disk 4c enters the thread column, the arc thread piece 33 is supported to form a stable structure, the quick bolt is deformed, and then the bolt and the nut 8 is matched and installed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The quick bolt is characterized by comprising a bolt head, wherein a shaft rod extending downwards is arranged on the lower end face of the bolt head, a shoulder is arranged at the lower end of the shaft rod, an external thread component is arranged between the bolt head and the shoulder on the outer side of the circumference of the shaft rod, the bolt head is connected with a rotary disk in a rotary mode, the rotary disk is connected with the external thread component in a rotary mode, when the rotary disk rotates to a first position, the external thread component is spread to form a thread column, and when the rotary disk rotates to a second position, the external thread component is close to the shaft rod and contracts; the outside of axostylus axostyle is equipped with locating component, locating component is used for propping up the external screw thread subassembly and forms the screw thread post position.
2. The quick bolt according to claim 1, wherein the male screw assembly comprises a plurality of arcuate screw flights uniformly spaced circumferentially about the shaft outboard of the shaft; a plurality of arc grooves which are in one-to-one correspondence with the arc thread pieces are uniformly arranged in the bolt head along the circumferential direction of the shaft rod at intervals, a plurality of radial grooves which are in one-to-one correspondence with the arc grooves are arranged in the rotary disk, the upper end of each arc thread piece is provided with an arc poking plate which extends into the corresponding arc groove, and the upper end of each arc poking plate is provided with a convex rod which extends upwards into the radial groove; when the rotating disk rotates to the first position, the convex rod is positioned at the distal end of the radial groove, and when the rotating disk rotates to the second position, the convex rod is positioned at the proximal end of the radial groove.
3. The quick bolt according to claim 2, wherein an inner hexagonal groove with an open upper end is formed in the rotary disk.
4. The quick bolt according to claim 3, wherein the positioning assembly comprises a positioning sliding sleeve, the positioning sliding sleeve slides outside the shaft rod along the axial direction of the shaft rod, a positioning disc is arranged at the lower end of the positioning sliding sleeve, and a groove for the positioning disc to extend into is arranged in the shoulder; a first spring for forcing the positioning disc to move upwards is arranged in the groove; the rotary disk is internally provided with a positioning hole with an opening at the lower end, the upper end of the positioning sliding sleeve is provided with a positioning pin which penetrates through the bolt head and stretches into the positioning hole, and the positioning hole is internally connected with a positioning rod in a sliding way, the upper end of the positioning rod stretches into the inner hexagonal groove.
5. The quick bolt according to claim 4, wherein the locating pin extends into the locating hole and the upper end of the locating lever extends into the hexagonal socket when the rotatable disc is rotated to the first position, and wherein the locating pin disengages from the locating hole and the lower end of the locating lever abuts against the bolt head when the rotatable disc is rotated to the second position.
6. The quick bolt according to claim 5, wherein a vertical chute is axially arranged in the positioning sliding sleeve, and a limiting sliding pin extending into the vertical chute is fixedly arranged on the outer side of the shaft rod.
7. The quick bolt according to claim 1, wherein a rotary groove coaxial with the shaft is provided in the bolt head, and the rotary disk is rotatably connected in the rotary groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210353962.XA CN114893487B (en) | 2022-04-06 | 2022-04-06 | Quick bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210353962.XA CN114893487B (en) | 2022-04-06 | 2022-04-06 | Quick bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114893487A CN114893487A (en) | 2022-08-12 |
| CN114893487B true CN114893487B (en) | 2024-02-06 |
Family
ID=82715401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210353962.XA Active CN114893487B (en) | 2022-04-06 | 2022-04-06 | Quick bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114893487B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088154A1 (en) * | 2003-04-03 | 2004-10-14 | Siemens Aktiengesellschaft | Self-blocking fixing device |
| CN207552376U (en) * | 2017-07-19 | 2018-06-29 | 江苏万达特种轴承有限公司 | Intermediate-frequency quenching machine tool positioning tool |
| CN210871773U (en) * | 2019-07-26 | 2020-06-30 | 王洪辉 | Thyroid gland struts device |
| CN111618772A (en) * | 2020-05-29 | 2020-09-04 | 东风汽车有限公司 | Oil tank chuck assembly and disassembly tools |
| CN214866989U (en) * | 2021-02-04 | 2021-11-26 | 中铁宝桥集团有限公司 | Quick connecting device |
-
2022
- 2022-04-06 CN CN202210353962.XA patent/CN114893487B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088154A1 (en) * | 2003-04-03 | 2004-10-14 | Siemens Aktiengesellschaft | Self-blocking fixing device |
| CN207552376U (en) * | 2017-07-19 | 2018-06-29 | 江苏万达特种轴承有限公司 | Intermediate-frequency quenching machine tool positioning tool |
| CN210871773U (en) * | 2019-07-26 | 2020-06-30 | 王洪辉 | Thyroid gland struts device |
| CN111618772A (en) * | 2020-05-29 | 2020-09-04 | 东风汽车有限公司 | Oil tank chuck assembly and disassembly tools |
| CN214866989U (en) * | 2021-02-04 | 2021-11-26 | 中铁宝桥集团有限公司 | Quick connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114893487A (en) | 2022-08-12 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231213 Address after: 518000, 1st Floor, Building A, No. 35 Jiuwei Juwei Industrial Zone, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Shuntian Hardware Products Co.,Ltd. Address before: 255200 No. 85 Jia Xia Road, Boshan District, Shandong, Zibo Applicant before: Li Yulong |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |