CN206017388U - A kind of telescopic bolt - Google Patents
A kind of telescopic bolt Download PDFInfo
- Publication number
- CN206017388U CN206017388U CN201620918331.8U CN201620918331U CN206017388U CN 206017388 U CN206017388 U CN 206017388U CN 201620918331 U CN201620918331 U CN 201620918331U CN 206017388 U CN206017388 U CN 206017388U
- Authority
- CN
- China
- Prior art keywords
- countersunk head
- screw
- bearing
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of telescopic bolt, including countersunk head and screw rod, the bottom of the countersunk head offers screw, female thread is provided with the inwall of the screw, the inner chamber of the countersunk head is slidably connected with the outer wall of outer race, the inwall of the outer race is rolled and is connected with ball, the roller bearing is rolled with the outer wall of bearing inner ring away from the side of outer race and is connected, the inwall of the bearing inner ring offers thread groove, the top of the outer race is fixedly connected with the bottom of bearing top board, and the top of bearing top board is fixedly connected with the bottom of connecting plate.The cooperation of outer race, ball and bearing inner ring of this utility model by arranging inside countersunk head, screw rod is made to be movably connected in the inner chamber of countersunk head, by the cooperation of spring, slide block and groove, make the countersunk head of bolt that there is telescopic function, it is threadedly coupled with countersunk head and bearing inner ring by screw rod, controls the length of screw rod.
Description
Technical field
This utility model is related to machine components technical field, specially a kind of retractable bolts.
Background technology
Bolt：Machine components, the cylindrical threaded securing member of adapted nut, by head and screw rod（Carry external screw thread
Cylinder）Class securing member dimerous, needs and nut screw connection, for being fastenedly connected two parts with through hole,
Or fastening arranges female part, this type of attachment claims bolt connection, but most spiral shell in the market
Bolt, all has specification, is difficult the bolt for finding the length for matching when being damaged.
Utility model content
The purpose of this utility model is to provide a kind of telescopic screw rod, the advantage for possessing control spiro rod length, solves
But most bolt, all has specification, is difficult the spiral shell for finding the length for matching when being damaged in the market
The problem of bolt.
For achieving the above object, this utility model provides following technical scheme：A kind of telescopic bolt, including countersunk head and
Screw rod, the bottom of the countersunk head offer screw, are provided with female thread, the inner chamber and axle of the countersunk head on the inwall of the screw
The outer wall for holding outer shroud is slidably connected, and the inwall of the outer race is rolled and is connected with ball, and the roller bearing is away from outer race
Side is rolled with the outer wall of bearing inner ring and is connected, and the inwall of the bearing inner ring offers thread groove, the top of the outer race
Portion is fixedly connected with the bottom of bearing top board, and the top of bearing top board is fixedly connected with the bottom of connecting plate, the connection
The top of plate is fixedly connected with fixture block, and the fixture block is connected in the draw-in groove of countersunk head top board bottom, the bottom two of the countersunk head top board
Side is fixedly connected with slide block, fixes company in the groove at the top of one end insertion countersunk head of the slide block and with the spring of bottom portion of groove
Connect.
The side of the screw rod is provided with screw thread, and the screw thread is threadedly coupled with the female thread of screw inwall, the screw rod
One end be threadedly coupled with bearing inner ring through bearing base plate by the thread groove on screw thread and bearing inner ring inwall.
Preferably, the quantity of the connecting plate is two pieces, and two pieces of connecting plates are located at the both sides at the top of bearing top board respectively,
And the top of two pieces of connecting plates is installed with fixture block.
Preferably, the radius of the ball is 0. 5 centimetres.
Preferably, the radius of the bearing inner ring is two centimetres, and the radius of outer race is three centimetres.
Preferably, the oil surface anti-corrosion paint of the screw rod.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, this utility model has reached the effect of control spiro rod length, has solved by being improved to the countersunk head of bolt
Most bolt, all has specification in the market, is difficult to find the problem for matching when being damaged.
2nd, the cooperation of outer race, ball and bearing inner ring of this utility model by arranging inside countersunk head, makes screw rod live
The dynamic inner chamber for being connected to countersunk head, by the cooperation of spring, slide block and groove, makes the countersunk head of bolt that there is telescopic function, leads to
Cross screw rod to be threadedly coupled with countersunk head and bearing inner ring, control the length of screw rod.
Description of the drawings
Fig. 1 is this utility model structural representation.
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.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1 is referred to, 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
The position fastened by part, the bottom of countersunk head 1 offer screw 2, and screw 2 allows screw rod 15 to penetrate inside countersunk head 1, screw 2
Inwall on be provided with female thread 3, be threadedly coupled with screw rod 15 by female thread 3, can be ramped up during rotary screw 15, countersunk head 1
Inner chamber be slidably connected with the outer wall of outer race 4, the outer race 4 being slidably connected can not rotate, but can be in countersunk head 1
Internal up and down, the inwall of outer race 4 is rolled and is connected with ball 5, and the radius of ball 5 is 0. 5 centimetres, roller bearing 5 away from
The side of outer race 4 is rolled 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, turns the rotation of bearing inner ring 6 by ball 5
Rolling is changed to, the inwall of bearing inner ring 6 offers thread groove 7, and the top of outer race 4 is connected with the bottom fixation of bearing top board 8
Connect, bearing top board 8 is used for placing connecting plate 9, and the top of bearing top board 8 is fixedly connected with the bottom of connecting plate 9, connecting plate 9
Quantity is two pieces, and two pieces of connecting plates 9 are located at the both sides at the top of bearing top board 8 respectively, and the top of two pieces of connecting plates 9 is fixed
Fixture block 10 is installed, the top of connecting plate 9 is fixedly connected with 10 fixture block 10 of fixture block and is connected in the draw-in groove 12 of 11 bottom of countersunk head top board,
Fixture block 10 is connected in draw-in groove 12, the bottom that bearing top board 8 is fixedly connected on 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 the top of one end insertion countersunk head 1 of slide block 13 and the spring 18 with 14 bottom of groove
It is fixedly connected, internal slide of the slide block 13 in 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 make screw rod
15 service life is more long, and screw thread 17 is threadedly coupled with the female thread 3 of 2 inwall of screw, and one end of screw rod 15 passes through bearing
Base plate 16 is threadedly coupled with bearing inner ring 6 by the thread groove 7 on 6 inwall of screw thread 17 and bearing inner ring.
During use, rotary screw 15, screw rod 15 are threadedly coupled with countersunk head 1 by the female thread 3 of screw 2, rotary screw 15,
Screw rod 15 can be threadedly coupled through bearing base plate 16 with bearing inner ring 6, continue rotary screw 15, and screw rod 15 can promote bearing top board
8 move up, and being moved up by bearing top board 8 moves up countersunk head top board 11, and slide block 13 can pull spring 18 to move upwards
Dynamic, when contra rotating screw 15, length of the screw rod 15 inside countersunk head 1 can be reduced, and it is heavy that the pulling force that spring 18 recovers can be pulled
Crown plate 11 returns to the position of screw rod 15.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of telescopic bolt, including countersunk head（1）And screw rod（15）, it is characterised in that：The countersunk head（1）Bottom open up
There is screw（2）, the screw（2）Inwall on be provided with female thread（3）, the countersunk head（1）Inner chamber and outer race（4）'s
Outer wall is slidably connected, the outer race（4）Inwall roll be connected with ball（5）, the ball（5）Away from outer race
（4）Side and bearing inner ring（6）Outer wall roll connection, the bearing inner ring（6）Inwall offer thread groove（7）, institute
State outer race（4）Top and bearing top board（8）Bottom be fixedly connected, the bearing top board（8）Top and connecting plate
（9) bottom is fixedly connected, the connecting plate（9）Top be fixedly connected with fixture block（10）, the fixture block（10）It is connected to countersunk head
Top board（11）The draw-in groove of bottom（12）Interior, the countersunk head top board（11）Two bottom sides be fixedly connected with slide block（13）, described
Slide block（13）One end insertion countersunk head（1）The groove at top（14）Interior and and groove（14）The spring of bottom（18）It is fixedly connected；
The screw rod（15）Side be provided with screw thread（17）, the screw thread（17）With screw（2）The female thread of inwall（3）Screw thread
Connection, the screw rod（15）One end pass through bearing base plate（16）By screw thread（17）And bearing inner ring（6）Screw thread on inwall
Groove（7）With bearing inner ring（6）Threaded connection.
2. a kind of telescopic bolt according to claim 1, it is characterised in that：The connecting plate（9）Quantity be two
Block, and two pieces of connecting plates（9）Bearing top board is located at respectively（8）The both sides at top, and two pieces of connecting plates（9）The fixed peace in top
Fixture block is housed（10）.
3. a kind of telescopic bolt according to claim 1, it is characterised in that：The ball（5）Radius be zero point
Five centimetres.
4. a kind of telescopic bolt according to claim 1, it is characterised in that：The bearing inner ring（6）Radius be
Two centimetres, outer race（4）Radius be three centimetres.
5. a kind of telescopic bolt according to claim 1, it is characterised in that：The screw rod（15）Oil surface prevent
Corrosion paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918331.8U CN206017388U (en) | 2016-08-23 | 2016-08-23 | A kind of telescopic bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918331.8U CN206017388U (en) | 2016-08-23 | 2016-08-23 | A kind of telescopic bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017388U true CN206017388U (en) | 2017-03-15 |
Family
ID=58250375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620918331.8U Expired - Fee Related CN206017388U (en) | 2016-08-23 | 2016-08-23 | A kind of telescopic bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151218A (en) * | 2016-08-23 | 2016-11-23 | 无锡市东赫金属制品有限公司 | A kind of telescopic bolt |
-
2016
- 2016-08-23 CN CN201620918331.8U patent/CN206017388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151218A (en) * | 2016-08-23 | 2016-11-23 | 无锡市东赫金属制品有限公司 | A kind of telescopic bolt |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203171535U (en) | Axial withdrawal tool of hinge pin | |
| CN206017388U (en) | A kind of telescopic bolt | |
| CN105538235B (en) | A kind of assembly tooling of cylinder interior compression spring and its assembly method | |
| CN203818087U (en) | Device for disassembling taper pin with internal threads | |
| CN207381223U (en) | A kind of dry type amorphous transformer being easily installed | |
| CN106151218A (en) | A kind of telescopic bolt | |
| CN205858950U (en) | A kind of lathe spindle bearing | |
| CN107791200A (en) | Drawbench | |
| CN207344464U (en) | It is a kind of that there is the detachable hardware allen wrench for extending handle | |
| CN204880098U (en) | Cold sediment machine supporting wheel subassembly | |
| CN205895905U (en) | Bearing of sealed rust -resistant easy dismouting | |
| CN205998756U (en) | Depend on the hand steered Di Nima rope retracting device twisting mill | |
| CN204716754U (en) | A kind of needle roller thrust bearing | |
| CN204122179U (en) | A kind of vertical slag grinding machine | |
| CN203185989U (en) | Foldable universal wheel | |
| CN205895922U (en) | Easily dismantle just small friction's bearing | |
| CN207558500U (en) | The flange mucilage binding plate of hollow combined insulator | |
| CN203308846U (en) | Novel alpenstock inner lock | |
| CN206617732U (en) | Camera mount | |
| CN202507233U (en) | Disassembly and assembly tool special for bearing outer ring | |
| CN202641252U (en) | Automatic braking universal wheel | |
| CN104308799B (en) | Crankshaft timing gear draw-off gear | |
| CN206708241U (en) | A kind of quick detachable sleeve | |
| CN206744156U (en) | One kind pig Fence structure | |
| CN206785833U (en) | A kind of anti-disassembling nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20170823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |