CN106151218A - A kind of telescopic bolt - Google Patents
A kind of telescopic bolt Download PDFInfo
- Publication number
- CN106151218A CN106151218A CN201610703048.8A CN201610703048A CN106151218A CN 106151218 A CN106151218 A CN 106151218A CN 201610703048 A CN201610703048 A CN 201610703048A CN 106151218 A CN106151218 A CN 106151218A
- Authority
- CN
- China
- Prior art keywords
- countersunk head
- bearing
- screw
- inner ring
- outer race
- 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
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of telescopic bolt, including countersunk head and screw rod, the bottom of described countersunk head offers screw, it is provided with female thread on the inwall of described screw, the inner chamber of described countersunk head is slidably connected with the outer wall of outer race, the inwall of described outer race rolls connection ball, described roller bearing is connected with the outer wall rolling of bearing inner ring away from the side of outer race, the inwall of described bearing inner ring offers thread groove, the top of described outer race is fixing with the bottom of bearing top board to be connected, and the top of described bearing top board is fixing with the bottom of connecting plate to be connected.The present invention is by the cooperation of internal outer race, ball and the bearing inner ring arranged of countersunk head, screw rod is made to be movably connected in the inner chamber of countersunk head, by spring, slide block and the cooperation of groove, the countersunk head making bolt has telescopic function, threadeded with countersunk head and bearing inner ring by screw rod, control the length of screw rod.
Description
Technical field
The present invention relates to machine components technical field, be specially a kind of retractable bolts.
Background technology
Bolt: machine components, the threaded securing member of cylinder of adapted nut, by head and screw rod (with external screw thread
Cylinder) a class securing member dimerous, need and nut screw connection, for being fastenedly connected two parts with through hole,
Or fastening arranges female part, this type of attachment claims bolt to connect, but the most most spiral shell
Bolt, all has specification, is difficult to find the bolt of the length matched when being damaged.
Summary of the invention
It is an object of the invention to provide a kind of telescopic screw rod, possess control spiro rod length advantage, solve but
It is the most most bolt, all has specification, when being damaged, be difficult to find the bolt of the length matched
Problem.
For achieving the above object, the present invention provides following technical scheme: a kind of telescopic bolt, including countersunk head and spiral shell
Bar, the bottom of described countersunk head offers screw, and the inwall of described screw is provided with female thread, the inner chamber of described countersunk head and bearing
The outer wall of outer shroud is slidably connected, and the inwall of described outer race rolls connection ball, and described roller bearing is away from the one of outer race
Side rolls with the outer wall of bearing inner ring and is connected, and the inwall of described bearing inner ring offers thread groove, the top of described outer race
Fixing with the bottom of bearing top board and be connected, the top of described bearing top board is fixing with the bottom of connecting plate to be connected, described connecting plate
Top be fixedly connected with fixture block, described fixture block is connected in the draw-in groove bottom countersunk head top board, the two bottom sides of described countersunk head top board
It is fixedly connected with slide block, fixes in the groove at the insertion countersunk head top, one end of described slide block and with the spring of bottom portion of groove and be connected.
The side of described screw rod is provided with screw thread, and described screw thread is threadeded with the female thread of screw inwall, described screw rod
One end threadeded with bearing inner ring through bearing base plate by the thread groove on screw thread and bearing inner ring inwall.
Preferably, the quantity of described connecting plate is two pieces, and two pieces of connecting plates lay respectively at the both sides at bearing top board top,
And the top of two pieces of connecting plates is all installed with fixture block.
Preferably, the radius of described ball is 0. 5 centimetres.
Preferably, the radius of described bearing inner ring is two centimetres, and the radius of outer race is three centimetres.
Preferably, the oil surface anti-corrosion paint of described screw rod.
Compared with prior art, beneficial effects of the present invention is as follows:
1, the present invention is by improving the countersunk head of bolt, has reached to control the effect of spiro rod length, has solved existing market
Upper most bolt, all has specification, be difficult to when being damaged to find match problem.
2, the present invention is by the cooperation of internal outer race, ball and the bearing inner ring arranged of countersunk head, makes screw rod activity even
It is connected on the inner chamber of countersunk head, by spring, slide block and the cooperation of groove, makes the countersunk head of bolt have telescopic function, pass through spiral shell
Bar is threadeded with countersunk head and bearing inner ring, controls the length of screw rod.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
In figure: 1 countersunk head, 2 screws, 3 female threads, 4 outer races, 5 balls, 6 bearing inner rings, 7 thread grooves, 8 bearing top boards,
9 connecting plates, 10 fixture blocks, 11 countersunk head top boards, 12 draw-in grooves, 13 slide blocks, 14 grooves, 15 screw rods, 16 bearing base plates, 17 screw threads, 18 bullets
Spring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, a kind of telescopic bolt, including countersunk head 1 and screw rod 15, countersunk head 1 is used for and nut screw connection is to zero
Part carries out the position fastened, and the bottom of countersunk head 1 offers screw 2, and it is internal that screw 2 makes screw rod 15 can penetrate countersunk head 1, screw 2
Inwall on be provided with female thread 3, threadeded with screw rod 15 by female thread 3, can ramp up during rotary screw 15, countersunk head 1
The outer wall of inner chamber and outer race 4 be slidably connected, the outer race 4 being slidably connected can not rotate, but can be at countersunk head 1
Internal up and down, the inwall of outer race 4 rolls connection has ball 5, the radius of ball 5 to be 0. 5 centimetres, roller bearing 5 away from
The side of outer race 4 rolls with the outer wall of bearing inner ring 6 and is connected, and the radius of bearing inner ring 6 is two centimetres, outer race 4
Radius is three centimetres, and ball 5 is clipped in the middle by bearing inner ring 6 and outer race 4, the rotation of bearing inner ring 6 is turned by ball 5
Being changed to roll, the inwall of bearing inner ring 6 offers thread groove 7, and the top of outer race 4 is fixing with the bottom of bearing top board 8 to be connected
Connecing, bearing top board 8 is used for placing connecting plate 9, and the top of bearing top board 8 is fixing with the bottom of connecting plate 9 to be connected, connecting plate 9
Quantity is two pieces, and two pieces of connecting plates 9 lay respectively at the both sides at bearing top board 8 top, and the top of two pieces of connecting plates 9 is the most fixing
Being provided with fixture block 10, the top of connecting plate 9 is fixedly connected with fixture block 10 fixture block 10 and is connected in the draw-in groove 12 bottom countersunk head top board 11,
Fixture block 10 is connected in draw-in groove 12, and bearing top board 8 is fixedly connected on the bottom of countersunk head top board 11, the bottom two of countersunk head top board 11
Side is fixedly connected with slide block 13, in the groove 14 at countersunk head 1 top is inserted in one end of slide block 13 and with groove 14 bottom spring 18
Fixing connection, slide block 13 is at the internal slide of groove 14, and compression spring 18 makes screw rod 2 move in countersunk head 1.
The side of screw rod 15 is provided with screw thread 17, and the oil surface anti-corrosion paint of screw rod 15, anti-corrosion paint makes screw rod
The service life of 15 is the longest, and screw thread 17 is threadeded with the female thread 3 of screw 2 inwall, and one end of screw rod 15 passes bearing
Base plate 16 is threadeded with bearing inner ring 6 by the thread groove 7 on screw thread 17 and bearing inner ring 6 inwall.
During use, rotary screw 15, screw rod 15 threadeded with countersunk head 1 by the female thread 3 of screw 2, rotary screw 15,
Screw rod 15 can be threadeded through bearing base plate 16 with bearing inner ring 6, continues rotary screw 15, and screw rod 15 can promote bearing top board
8 move up, and are moved up by bearing top board 8 and make countersunk head top board 11 move up, and slide block 13 can pull spring 18 upwards to move
Dynamic, when contra rotating screw 15, screw rod 15 can reduce in the length within countersunk head 1, and it is heavy that the pulling force that spring 18 recovers can pull
Crown plate 11 returns to the position of screw rod 15.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a telescopic bolt, including countersunk head (1) and screw rod (15), it is characterised in that: the bottom of described countersunk head (1) is offered
There is screw (2), the inwall of described screw (2) is provided with female thread (3), the inner chamber of described countersunk head (1) and outer race (4)
Outer wall is slidably connected, and the inwall of described outer race (4) rolls connection ball (5), and described ball (5) is away from outer race
(4) side rolls with the outer wall of bearing inner ring (6) and is connected, and the inwall of described bearing inner ring (6) offers thread groove (7), institute
The bottom at the top and bearing top board (8) of stating outer race (4) is fixed and is connected, the top of described bearing top board (8) and connecting plate
(9) bottom is fixing to be connected, and the top of described connecting plate (9) is fixedly connected with fixture block (10), and described fixture block (10) is connected to countersunk head
In the draw-in groove (12) of top board (11) bottom, the two bottom sides of described countersunk head top board (11) has been fixedly connected with slide block (13), described
Fix in the groove (14) at insertion countersunk head (1) top, one end of slide block (13) and with the spring (18) of groove (14) bottom and be connected；
The side of described screw rod (15) is provided with female thread (3) screw thread of screw thread (17), described screw thread (17) and screw (2) inwall
Connecting, the screw thread on screw thread (17) and bearing inner ring (6) inwall is passed through through bearing base plate (16) in one end of described screw rod (15)
Groove (7) is threadeded with bearing inner ring (6).
The telescopic bolt of one the most according to claim 1, it is characterised in that: the quantity of described connecting plate (9) is two
Block, and two pieces of connecting plates (9) lay respectively at the both sides at bearing top board (8) top, and all fixing peace in the top of two pieces of connecting plates (9)
Equipped with fixture block (10).
The telescopic bolt of one the most according to claim 1, it is characterised in that: the radius of described ball (5) is zero point
Five centimetres.
The telescopic bolt of one the most according to claim 1, it is characterised in that: the radius of described bearing inner ring (6) is
Two centimetres, the radius of outer race (4) is three centimetres.
The telescopic bolt of one the most according to claim 1, it is characterised in that: the oil surface of described screw rod (15) is prevented
Corrosion paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703048.8A CN106151218A (en) | 2016-08-23 | 2016-08-23 | A kind of telescopic bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703048.8A CN106151218A (en) | 2016-08-23 | 2016-08-23 | A kind of telescopic bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151218A true CN106151218A (en) | 2016-11-23 |
Family
ID=57341717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610703048.8A Pending CN106151218A (en) | 2016-08-23 | 2016-08-23 | A kind of telescopic bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283228A (en) * | 2020-11-18 | 2021-01-29 | 海盐上宇紧固件科技股份有限公司 | High-strength cylinder head bolt for marine diesel engine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205253U (en) * | 1987-11-28 | 1988-07-27 | 王胜果 | Computer digital display micrometer |
| CN2322741Y (en) * | 1998-03-07 | 1999-06-09 | 周学蒙 | Quick replacing tap clamp |
| CN101129284A (en) * | 2006-08-19 | 2008-02-27 | 张新生 | Device for regulating multifunctional nursing hospital bed |
| CN101457783A (en) * | 2007-12-14 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Fastening mechanism |
| DE202012102440U1 (en) * | 2012-07-03 | 2013-10-07 | Jörg Schwarzbich | Tolerance compensation element |
| CN204175751U (en) * | 2014-10-20 | 2015-02-25 | 浙江明泰标准件有限公司 | A kind of multi-functional adjusting bolt |
| CN206017388U (en) * | 2016-08-23 | 2017-03-15 | 无锡市东赫金属制品有限公司 | A kind of telescopic bolt |
-
2016
- 2016-08-23 CN CN201610703048.8A patent/CN106151218A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205253U (en) * | 1987-11-28 | 1988-07-27 | 王胜果 | Computer digital display micrometer |
| CN2322741Y (en) * | 1998-03-07 | 1999-06-09 | 周学蒙 | Quick replacing tap clamp |
| CN101129284A (en) * | 2006-08-19 | 2008-02-27 | 张新生 | Device for regulating multifunctional nursing hospital bed |
| CN101457783A (en) * | 2007-12-14 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Fastening mechanism |
| US20090155016A1 (en) * | 2007-12-14 | 2009-06-18 | Hong Fu Jin Precision Industry (Shenzhen) Co. Ltd. | Fastener for connecting structural members |
| DE202012102440U1 (en) * | 2012-07-03 | 2013-10-07 | Jörg Schwarzbich | Tolerance compensation element |
| CN204175751U (en) * | 2014-10-20 | 2015-02-25 | 浙江明泰标准件有限公司 | A kind of multi-functional adjusting bolt |
| CN206017388U (en) * | 2016-08-23 | 2017-03-15 | 无锡市东赫金属制品有限公司 | A kind of telescopic bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283228A (en) * | 2020-11-18 | 2021-01-29 | 海盐上宇紧固件科技股份有限公司 | High-strength cylinder head bolt for marine diesel engine |
| CN112283228B (en) * | 2020-11-18 | 2022-07-29 | 海盐上宇紧固件科技股份有限公司 | High-strength cylinder head bolt for marine diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
|
| WD01 | Invention patent application deemed withdrawn after publication |