CN109058264A - A kind of bolt with length adjustment function - Google Patents
A kind of bolt with length adjustment function Download PDFInfo
- Publication number
- CN109058264A CN109058264A CN201811060370.9A CN201811060370A CN109058264A CN 109058264 A CN109058264 A CN 109058264A CN 201811060370 A CN201811060370 A CN 201811060370A CN 109058264 A CN109058264 A CN 109058264A
- Authority
- CN
- China
- Prior art keywords
- bolt
- threaded rod
- screw
- hole
- ring
- 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.)
- Pending
Links
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- F16B35/02—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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
-
- 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of bolts with length adjustment function, including bolt head, upper threaded rod, lower threaded rod, screw rod and fastening bolt, the central upper portion position of bolt head is provided with driver flutes, the lower central position of screw head is arranged in upper threaded rod, the bottom of threaded rod is provided with the axially extending screwed ring of threadingly bar, several through-holes are provided in the ring body of screwed ring from top to bottom, bolt head, the middle part of threaded rod and screwed ring is provided with threaded hole along vertical axis, lower threaded rod is arranged in upper threaded rod lower part, the top of lower threaded rod is formed with groove corresponding with screwed ring, spring is provided in groove, screwed ring is threadedly coupled with groove, and the lower part of screwed ring is connected to spring, screw hole corresponding with spiral shell through-hole is provided on the anchor ring of groove, fastening bolt is arranged in corresponding screw hole and through-hole for upper threaded rod and lower spiral shell Rasp bar is fixedly connected, and screw rod is interspersed in threaded hole and is threadedly coupled with threaded hole.The present invention improves the suitability of bolt.
Description
Technical field
The present invention relates to a kind of bolts with length adjustment function, belong to standard component technical field.
Background technique
Bolt: machine components, the cylindrical threaded fastener of adapted nut；External screw thread (is had by head and screw rod
Cylindrical body) a kind of fastener dimerous, need to cooperate with nut, for being fastenedly connected two parts with through-hole.
But existing bolt does not have length adjustment function, needs replacing the bolt of different length for the threaded hole of different depth and is fitted
Match；And some swarfs can be retained in bolt hole, the external screw thread circle of bolt can be damaged in bolt fastening.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of bolt with length adjustment function, improves bolt
Suitability, and can effectively prevent damage of the sundries to the fillet of screw, extend the service life of bolt.
The technical scheme adopted by the invention is as follows:
A kind of bolt with length adjustment function, including bolt head, upper threaded rod, lower threaded rod, screw rod and fastening bolt, spiral shell
The central upper portion position of bolt head is provided with driver flutes, and the lower central position of screw head, the bottom of threaded rod is arranged in upper threaded rod
Portion is provided with the axially extending screwed ring of threadingly bar, is provided with several through-holes, bolt from top to bottom in the ring body of screwed ring
The middle part of head, threaded rod and screwed ring is provided with threaded hole along vertical axis, and lower threaded rod is arranged in upper threaded rod lower part, lower spiral shell
The top of rasp bar is formed with groove corresponding with screwed ring, and spring is provided in groove, and upper threaded rod passes through screwed ring and groove
Be threadedly coupled and connect with lower threaded rod, and the lower part of screwed ring is connected to spring, be provided on the anchor ring of groove respectively with spiral shell
Several corresponding screw holes of several corresponding through-holes on line ring, fastening bolt are arranged in corresponding screw hole and through-hole for upper screw thread
Bar is fixedly connected with lower threaded rod, and screw rod is interspersed in threaded hole and is threadedly coupled with threaded hole.
Preferably, helical raised is provided on the bottom anchor ring of bolt head.
It is further preferred, Philips-type screwdriver slot is provided on screw rod.
Further preferred, driver flutes are Philips-type screwdriver slots.
Further preferred, the length of screw rod is less than the total length of bolt head, upper threaded rod and screwed ring, the length of screw rod
Greater than the total length of upper threaded rod and screwed ring.
It is further preferred, the deep gouge that can accommodate fastening bolt completely is provided on the anchor ring of the groove on the outside of screw hole.
It is further preferred, gasket is provided at the lower part of screwed ring and the abutting of spring.
Further preferred, the disc radius of screw rod is less than the inner ring radius surface of spring.
It is further that slot corresponding with threaded hole is preferably provided at the center of the lower threaded rod in groove, screw rod
Bottom is threadedly coupled with slot.
Further preferred, the bottom of lower threaded rod is formed with semi-spherical grooves, is welded and fixed in hemisphere type groove equipped with magnetic
Block.
The beneficial effects of the present invention are:
Be arranged on the anchor ring of groove with several corresponding screw holes of several corresponding through-holes in screwed ring so that fastening bolt
Corresponding screw hole can be arranged according to the length of bolt hole and be fixedly connected with upper threaded rod and lower threaded rod with through-hole, to bolt into
Row is adjusted, and is met the requirements；The semi-spherical grooves that the bottom of lower threaded rod is formed, are welded and fixed the energy equipped with magnetic patch in hemisphere type groove
Swarf in threaded hole is adsorbed on magnetic patch, reduces to the externally threaded damage of bolt, extends the service life of bolt.
Detailed description of the invention
Fig. 1 is sectional view of the invention；
Fig. 2 is top view of the invention；
Main appended drawing reference meaning is as follows in figure:
1, bolt head, 2, upper threaded rod, 3, lower threaded rod, 4, screw rod, 5, fastening bolt, 6, spring, 7, semi-spherical grooves, 8, magnetic
Block, 11, driver flutes, 12, helical raised, 21, screwed ring, 22, through-hole, 31, groove, 32, screw hole, 33, deep gouge, 34, slot
Hole, 41, screw rod, 61, gasket.
Specific embodiment
Specific introduction is done to the present invention with reference to the accompanying drawings and examples.
As shown in Figs. 1-2: the present embodiment is a kind of bolt with length adjustment function of, including bolt head 1, upper screw thread
Bar 2, lower threaded rod 3, screw rod 41 and fastening bolt 5, the central upper portion position of bolt head 1 are provided with driver flutes 11, upper screw thread
The lower central position of screw head 1 is arranged in bar 2, and the bottom of threaded rod 2 is provided with the axially extending screwed ring 21 of threadingly bar 2,
There are two through-holes 22 for setting from top to bottom in the ring body of screwed ring 21, and the middle part of bolt head 1, threaded rod 2 and screwed ring 21 is along perpendicular
Straight axis is provided with threaded hole 4, and lower threaded rod 3 is arranged in upper 2 lower part of threaded rod, and the top of lower threaded rod 3 is formed with and screw thread
The corresponding groove 31 of ring 21 is provided with spring 6 in groove 31, and upper threaded rod 2 is threadedly coupled by screwed ring 21 with groove 31
Connect with lower threaded rod 3, and the lower part of screwed ring 21 is connected to spring 6, be provided on the anchor ring of groove 31 respectively with screwed ring
Two corresponding through-holes, 22 corresponding two screw holes 32 on 21, fastening bolt 5 is arranged in corresponding screw hole 32 will be upper with through-hole 22
Threaded rod 2 is fixedly connected with lower threaded rod 3, and screw rod 41 is interspersed in threaded hole 4 and is threadedly coupled with threaded hole 4.
In the present embodiment, helical raised 12 is provided on the bottom anchor ring of bolt head 1.
In the present embodiment, Philips-type screwdriver slot is provided on screw rod 41.
In the present embodiment, driver flutes 11 are Philips-type screwdriver slots.
In the present embodiment, the length of screw rod 41 is less than the total length of bolt head 1, upper threaded rod 2 and screwed ring 21, screw rod 41
Length be greater than upper threaded rod 2 and screwed ring 21 total length.
In the present embodiment, the heavy of fastening bolt 5 can be accommodated completely by being provided on the anchor ring of the groove 31 in 32 outside of screw hole
Slot 33.
In the present embodiment, gasket 61 is provided at the lower part of screwed ring 21 and the abutting of spring 6.
In the present embodiment, the disc radius of screw rod 41 is less than the inner ring radius surface of spring 6.
In the present embodiment, slot 34 corresponding with threaded hole 4, spiral shell are provided at the center of the lower threaded rod 3 in groove 31
The bottom of bar 41 is threadedly coupled with slot 34.
In the present embodiment, the bottom of lower threaded rod 3 is formed with semi-spherical grooves 7, is welded and fixed in hemisphere type groove 7 equipped with magnetic
Block 8.
In the present invention, the helical raised 12 being arranged on the bottom anchor ring of bolt head 1 improves bolt head 1 and joint face
Compactness, can effectively prevent bolt looseness；The gasket 61 being arranged at the lower part of screwed ring 21 and the abutting of spring 6 can be effective
The friction for reducing spring 6 and 21 lower part of screwed ring, extends the service life of bolt；The disc radius of screw rod 41 is less than spring 6
Inner ring radius surface, meet screw rod 41 and can intert in slot 34 and with slot and be threadedly coupled.
The present invention is in practical application, screwed in bolt in bolt hole using Phillips screwdriver or straight screwdriver, half
It is welded and fixed in ball slot 7 and the swarf in bolt hole is adsorbed in hemisphere type groove 7 equipped with magnetic patch 8；When connected two
Object standoff distance farther out when, by fastening bolt 5 be inserted through the screw hole 32 of 31 top of groove and with the ring body of screwed ring 21 most
The through-hole 22 of upper end is threadedly coupled, then is screwed down screw rod 41 with screwdriver, improves the being completely embedded property inside bolt, and make
The length for obtaining bolt changes, and improves the suitability of bolt.
Be arranged on the anchor ring of groove of the invention with several corresponding screw holes of several corresponding through-holes in screwed ring,
Fastening bolt to be arranged in corresponding screw hole and through-hole according to the length of bolt hole to fix upper threaded rod and lower threaded rod
Connection, is adjusted bolt, meets the requirements；The semi-spherical grooves that the bottom of lower threaded rod is formed are welded solid in hemisphere type groove
Surely the swarf in threaded hole can be adsorbed on magnetic patch equipped with magnetic patch, reduces to the externally threaded damage of bolt, extends
The service life of bolt.
The above is only the preferred embodiment of the invention patent, it is noted that for the common skill of the art
For art personnel, under the premise of not departing from the invention patent principle, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the patent of the present invention.
Claims (10)
1. a kind of bolt with length adjustment function, including bolt head (1), upper threaded rod (2), lower threaded rod (3), screw rod
(41) and fastening bolt (5), it is characterised in that: the central upper portion position of the bolt head (1) is provided with driver flutes (11), institute
It states threaded rod (2) to be arranged in the lower central position of screw head (1), the bottom of the threaded rod (2) is provided with threadingly bar (2)
Axially extending screwed ring (21) is provided with several through-holes (22) in the ring body of the screwed ring (21) from top to bottom, described
The middle part of bolt head (1), threaded rod (2) and screwed ring (21) is provided with threaded hole (4) along vertical axis, the lower threaded rod
(3) it is arranged in upper threaded rod (2) lower part, the top of the lower threaded rod (3) is formed with groove corresponding with screwed ring (21)
(31), it is provided with spring (6) in the groove (31), the upper threaded rod (2) passes through screwed ring (21) and groove (31) screw thread
It connects and is connect with lower threaded rod (3), and the lower part of the screwed ring (21) is connected to spring (6), the ring of the groove (31)
Be provided on face respectively with several corresponding screw holes (32) of several corresponding through-holes (22), the fastening on screwed ring (21)
Bolt (5) is arranged in corresponding screw hole (32) and is fixedly connected with upper threaded rod (2) and lower threaded rod (3) with through-hole (22), described
Screw rod (41) is interspersed in threaded hole (4) and is threadedly coupled with threaded hole (4).
2. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the bolt head
(1) helical raised (12) are provided on bottom anchor ring.
3. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the screw rod (41)
On be provided with Philips-type screwdriver slot.
4. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the driver flutes
It (11) is Philips-type screwdriver slot.
5. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the screw rod (41)
Length be less than the total length of bolt head (1), upper threaded rod (2) and screwed ring (21), the length of screw rod (41) is greater than upper screw thread
The total length of bar (2) and screwed ring (21).
6. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the screw hole (32)
The deep gouge (33) that can accommodate fastening bolt (5) completely is provided on the anchor ring of the groove (31) in outside.
7. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the screwed ring
(21) gasket (61) are provided at the abutting of lower part and spring (6).
8. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the screw rod (41)
Disc radius be less than spring (6) inner ring radius surface.
9. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the groove (31)
Slot (34) corresponding with threaded hole (4), the bottom of the screw rod (41) and slot are provided at the center of interior lower threaded rod (3)
Hole (34) is threadedly coupled.
10. a kind of bolt with length adjustment function according to claim 1, which is characterized in that the lower screw thread
The bottom of bar (3) is formed with semi-spherical grooves (7), is welded and fixed in the hemisphere type groove (7) equipped with magnetic patch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060370.9A CN109058264A (en) | 2018-09-12 | 2018-09-12 | A kind of bolt with length adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060370.9A CN109058264A (en) | 2018-09-12 | 2018-09-12 | A kind of bolt with length adjustment function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058264A true CN109058264A (en) | 2018-12-21 |
Family
ID=64761418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060370.9A Pending CN109058264A (en) | 2018-09-12 | 2018-09-12 | A kind of bolt with length adjustment function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255789A (en) * | 2020-03-26 | 2020-06-09 | 鹿滔 | Bolt with changeable thread area |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0613993A1 (en) * | 1993-02-27 | 1994-09-07 | Horst Kunkel | Dowel for fixing loads in a ceiling cavity |
| CN204164129U (en) * | 2014-10-20 | 2015-02-18 | 浙江明泰标准件有限公司 | Multifunction connecting bolt |
| CN205001481U (en) * | 2015-08-21 | 2016-01-27 | 龙工（上海）精工液压有限公司 | Plug for speed reducer |
| CN205401368U (en) * | 2016-02-26 | 2016-07-27 | 林学构 | Bolt of adjustable length |
| CN107218283A (en) * | 2017-06-24 | 2017-09-29 | 海盐三鑫机械有限公司 | A kind of bolt |
| CN207212899U (en) * | 2017-09-18 | 2018-04-10 | 温州市豪盛五金有限公司 | A kind of Lengthened bolt |
-
2018
- 2018-09-12 CN CN201811060370.9A patent/CN109058264A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0613993A1 (en) * | 1993-02-27 | 1994-09-07 | Horst Kunkel | Dowel for fixing loads in a ceiling cavity |
| CN204164129U (en) * | 2014-10-20 | 2015-02-18 | 浙江明泰标准件有限公司 | Multifunction connecting bolt |
| CN205001481U (en) * | 2015-08-21 | 2016-01-27 | 龙工（上海）精工液压有限公司 | Plug for speed reducer |
| CN205401368U (en) * | 2016-02-26 | 2016-07-27 | 林学构 | Bolt of adjustable length |
| CN107218283A (en) * | 2017-06-24 | 2017-09-29 | 海盐三鑫机械有限公司 | A kind of bolt |
| CN207212899U (en) * | 2017-09-18 | 2018-04-10 | 温州市豪盛五金有限公司 | A kind of Lengthened bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255789A (en) * | 2020-03-26 | 2020-06-09 | 鹿滔 | Bolt with changeable thread area |
| CN111255789B (en) * | 2020-03-26 | 2021-11-19 | 台州远拓机械股份有限公司 | Bolt with changeable thread area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |