CN207687154U - Attachment bolt - Google Patents
Attachment bolt Download PDFInfo
- Publication number
- CN207687154U CN207687154U CN201721659929.0U CN201721659929U CN207687154U CN 207687154 U CN207687154 U CN 207687154U CN 201721659929 U CN201721659929 U CN 201721659929U CN 207687154 U CN207687154 U CN 207687154U
- Authority
- CN
- China
- Prior art keywords
- locating piece
- arc locating
- polished rod
- lantern ring
- vertical slot
- 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.)
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a kind of attachment bolts, including integrally formed screw head, polished rod column and screw rod, polished rod column is between screw head and screw rod, screw rod includes nose-circle cylinder and the bottom end external screw thread body of rod, it is uniformly fixed at least three vertical slots on the surface of nose-circle cylinder, the top of vertical slot extends on polished rod column, arc locating piece is provided in vertical slot, the middle part of arc locating piece is connected to by crown of roll on the inner wall of vertical slot, it is fixed with anti-skid chequer tooth in the bottom end of arc locating piece, the surface of polished rod column is provided with lantern ring, lantern ring moves down fitting when the top of arc locating piece is in vertical slot, the upper end of arc locating piece is pressed on the medial surface of lantern ring at this time.The structure setting of the utility model is reasonable, it is ensured that arc locating piece bottom end compresses dynamics, thereby may be ensured that the reliability compressed, is conducive to prevent screw rod from occurring loosening or fall off, and improves stability in use, and applicability is good and highly practical.
Description
Technical field
The utility model belongs to bolt technical field, and in particular to a kind of attachment bolt.
Background technology
Attachment bolt is mainly by screw rod, head and the polished rod portion between screw rod and head, connected piece pressing
In polished rod portion, it can satisfy the use demand to a certain extent, but since screw rod is when in use especially in the ring of vibration
It is very easy to occur loosening or fall off when in border, to make the connected piece in polished rod portion loosen, to influence
The reliability used, practicability are restricted.
Invention content
The purpose of this utility model is to provide the attachment bolt that a kind of structure setting is reasonable and stability in use is good.
Realize that the technical solution of the utility model aim is a kind of attachment bolt, including integrally formed screw head, polished rod
Column and screw rod, the polished rod column are between screw head and screw rod, and the screw rod includes nose-circle cylinder and bottom end external thread rod
Body is uniformly fixed at least three vertical slots on the surface of the nose-circle cylinder, and the top of the vertical slot extends on polished rod column,
Arc locating piece is provided in the vertical slot, the middle part of the arc locating piece is connected to the inner wall of the vertical slot by crown of roll
On, it is fixed with anti-skid chequer tooth in the bottom end of the arc locating piece, the surface of the polished rod column is provided with lantern ring, the lantern ring
Fitting is moved down when the top of the arc locating piece is in vertical slot, the upper end of arc locating piece is pressed on the lantern ring at this time
Medial surface on.
Annular slot is evenly arranged on the inner wall of the lantern ring, the top of the arc locating piece is pressed on the ring
In shape card slot.
The arc locating piece is slim steel disc.
The bottom end of the polished rod column is provided with bulge loop, the nose-circle cylinder is connected to the bottom surface of the bulge loop.
The utility model has the effect of positive：The structure setting of the utility model is reasonable, is provided with arc locating piece,
It is additionally provided with lantern ring simultaneously, arc locating piece can be made to be pressed on the inner wall of screw hole when in use, while lantern ring set being pressed in
The top of arc locating piece, thereby may be ensured that arc locating piece bottom end compresses dynamics, thereby may be ensured that compress it is reliable
Property, be conducive to prevent screw rod from occurring loosening or fall off, improve stability in use, applicability is good and highly practical.
Description of the drawings
In order to make the content of the utility model be more likely to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, wherein：
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
(embodiment 1)
Fig. 1 shows that a kind of specific implementation mode of the utility model, wherein Fig. 1 are the structural representation of the utility model
Figure.
Fig. 1, a kind of attachment bolt, including integrally formed screw head 1, polished rod column 2 and screw rod 3 are seen, at the polished rod column 2
Between screw head 1 and screw rod 3, the screw rod 3 includes nose-circle cylinder 31 and the bottom end external screw thread body of rod 32, in the nose-circle
The surface of cylinder 31 is uniformly fixed at least three vertical slots 4, and the top of the vertical slot 4 extends on polished rod column 2, in the vertical slot
Arc locating piece 5 is provided in 4, the middle part of the arc locating piece 5 is connected to by crown of roll 6 on the inner wall of the vertical slot 4,
The bottom end of the arc locating piece 5 is fixed with anti-skid chequer tooth 7, and the surface of the polished rod column 2 is provided with lantern ring 8, the lantern ring
Fitting is moved down when the top of the arc locating piece is in vertical slot, the upper end of arc locating piece is pressed on the lantern ring at this time
Medial surface on.
It is evenly arranged with annular slot 9 on the inner wall of the lantern ring 8, the top of the arc locating piece is pressed on described
In annular slot.
The arc locating piece is slim steel disc.
The bottom end of the polished rod column 2 is provided with bulge loop 10, the nose-circle cylinder is connected to the bottom surface of the bulge loop.
The structure setting of the utility model is reasonable, is provided with arc locating piece, while being additionally provided with lantern ring, when in use
Arc locating piece can be made to be pressed on the inner wall of screw hole, while lantern ring set being pressed in the top of arc locating piece, so as to
Ensure arc locating piece bottom end compresses dynamics, thereby may be ensured that the reliability compressed, is conducive to prevent screw rod from loosening
Or fall off, stability in use is improved, applicability is good and highly practical.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still fall within this practicality
Novel protection domain.
Claims (4)
1. a kind of attachment bolt, including integrally formed screw head, polished rod column and screw rod, the polished rod column are in screw head and spiral shell
Between bar, it is characterised in that：The screw rod includes nose-circle cylinder and the bottom end external screw thread body of rod, in the table of the nose-circle cylinder
Face is uniformly fixed at least three vertical slots, and the top of the vertical slot extends on polished rod column, and arc is provided in the vertical slot
The middle part of locating piece, the arc locating piece is connected to by crown of roll on the inner wall of the vertical slot, in the arc locating piece
Bottom end is fixed with anti-skid chequer tooth, the surface of the polished rod column is provided with lantern ring, the lantern ring is on the top of the arc locating piece
Portion moves down fitting when being in vertical slot, and the upper end of arc locating piece is pressed on the medial surface of the lantern ring at this time.
2. attachment bolt according to claim 1, it is characterised in that：It is evenly arranged with annular on the inner wall of the lantern ring
The top of card slot, the arc locating piece is pressed in the annular slot.
3. attachment bolt according to claim 2, it is characterised in that：The arc locating piece is slim steel disc.
4. attachment bolt according to claim 3, it is characterised in that：The bottom end of the polished rod column is provided with bulge loop, institute
State the bottom surface that nose-circle cylinder is connected to the bulge loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659929.0U CN207687154U (en) | 2017-11-30 | 2017-11-30 | Attachment bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659929.0U CN207687154U (en) | 2017-11-30 | 2017-11-30 | Attachment bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687154U true CN207687154U (en) | 2018-08-03 |
Family
ID=63000061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721659929.0U Active CN207687154U (en) | 2017-11-30 | 2017-11-30 | Attachment bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687154U (en) |
-
2017
- 2017-11-30 CN CN201721659929.0U patent/CN207687154U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |