CN207921062U - A kind of upset bolt - Google Patents
A kind of upset bolt Download PDFInfo
- Publication number
- CN207921062U CN207921062U CN201820120436.8U CN201820120436U CN207921062U CN 207921062 U CN207921062 U CN 207921062U CN 201820120436 U CN201820120436 U CN 201820120436U CN 207921062 U CN207921062 U CN 207921062U
- Authority
- CN
- China
- Prior art keywords
- expansion sleeve
- expansion
- cavity structure
- distance rod
- rod
- 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
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Abstract
The utility model is related to hardware technical fields, more particularly, to a kind of upset bolt.A kind of upset bolt, including expansion sleeve are provided with expansion pull rod in the expansion sleeve；The threaded one end of the expansion pull rod is connected with pressure cone, and the other end of the expansion pull rod is arranged with adjustable distance rod；The pressure cone is abutted against with the expansion sleeve inner wall, and the distance rod is threadedly coupled with the expansion sleeve, and fastening structure is additionally provided on the distance rod.The utility model is simple in structure, is threadedly coupled with expansion sleeve by distance rod, can be required according to in-site installation hole depth, adjusts the length of distance rod, adapts to the mounting hole of different depth size.
Description
Technical field
The utility model is related to hardware technical fields, more particularly, to a kind of upset bolt.
Background technology
Traditional expansion bolt mainly include screw rod, expansion sleeve and fastening structure, expansion sleeve be set in screw rod it
On, fastening structure is mounted on screw rod.The fitting depth of this expansion bolt is all changeless, is wanted according to construction and installation
Ask, when the depth of mounting hole has exceeded when installing range scale of expansion sleeve, this expansion bolt can not abut completely to
In mounting hole, installation requirement is not met, can not meet construction reference.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of upset bolt.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of upset bolt, including it is swollen
Expansion set cylinder is provided with expansion pull rod in the expansion sleeve；The threaded one end of the expansion pull rod is connected with pressure cone, the expansion
The other end of pull rod is arranged with adjustable distance rod；The pressure cone is abutted against with the expansion sleeve inner wall, the distance rod
It is threadedly coupled with the expansion sleeve, fastening structure is additionally provided on the distance rod.Distance rod is threadedly coupled with expansion sleeve,
It can be required according to in-site installation hole depth, adjust the length of distance rod, adapt to the mounting hole of different depth size.
Preferably, the expansion sleeve is closed on the periphery for pressing the one end bored is evenly arranged with several notch arrangements respectively
And the first wedge-shaped fin, the several second wedge-shaped fins are evenly arranged on the periphery of the one end of the expansion sleeve far from pressure cone.
Notch arrangement setting convenient for press coning enter the inside of expansion sleeve when, be conducive to expansion sleeve stress squeeze after, uniformly to
Surrounding expands；Being provided with conducive to after expansion sleeve expansion for first wedge-shaped fin, increases rubbing between expansion sleeve and hole inner wall
Power is wiped, entire expansion bolt is prevented to be detached from from mounting hole；Second wedge-shaped fin is provided with conducive to enhancing expansion sleeve and installation
Frictional force between the inner wall of hole is prevented in expansion sleeve initial bubble, and expansion sleeve is spinned in mounting hole or displacement.
Preferably, include the first cavity structure, the second cavity structure and third cavity structure inside expansion sleeve.
Preferably, section is trapezoidal to first cavity structure in an axial direction, and first cavity structure bores phase with the pressure
Matching.The setting of first cavity structure carries out expansion work after stress convenient for the matching with pressure cone, conducive to pressure cone to expansion sleeve
With.
Preferably, the cross section of second cavity structure is circle, second cavity structure and the expansion pull rod
Match.The setting of second cavity structure is convenient for the socket between expansion pull rod and expansion sleeve.
Preferably, the cross section of the third cavity structure is circle, the third cavity structure and the distance rod phase
Matching.Third cavity structure matches with distance rod, convenient for the connection between distance rod and expansion sleeve.
Preferably, one end of the distance rod is threadedly coupled with third cavity structure, and the other end of the distance rod is exposed
In the expansion sleeve.One end of distance rod is threadedly coupled with third cavity structure, is conducive to the depth requirements according to mounting hole,
The length that distance rod exposes to expansion sleeve is adjusted, the mounting hole of different depth is adapted to convenient for expansion bolt.
Preferably, the end of the distance rod is the first prism structure of regular polygon.The end of distance rod is just polygon
First prism structure of shape is conducive to facilitate the length for adjusting the exposed expansion sleeve of distance rod.
Preferably, gasket is provided on the distance rod, the gasket is set to the fastening structure and the expansion sleeve
Between cylinder.The setting of gasket is to prevent from damaging metope when fastening installation part for less pressure.
Preferably, the one end of the expansion pull rod far from pressure cone is the second prism structure of positive shape changeable.Positive shape changeable
The setting of second prism structure is convenient for utilizing spanner rotary expansion pull rod, and under the action of expanding pull rod, pressure is bored expansion sleeve
It widens, to make expansion bolt be clamped in mounting hole.
Compared with prior art, the utility model has the beneficial effects that：
The utility model is a kind of expansion bolt, is threadedly coupled with expansion sleeve by distance rod, can be pacified according to scene
Hole depth requirement is filled, the length of distance rod is adjusted, adapts to the mounting hole of different depth；It is convenient for pressing by the setting of notch arrangement
When coning enters the inside of expansion sleeve, after being conducive to the extruding of expansion sleeve stress, uniformly expand around；Pass through the first wedge-shaped fin
Be provided with conducive to after expansion sleeve expansion, increase the frictional force between expansion sleeve and hole inner wall, prevent entire expanding screw
Bolt is detached from from mounting hole；Pass through being provided with conducive to the friction between enhancing expansion sleeve and inner wall of the hole installing for the second wedge-shaped fin
Power is prevented in expansion sleeve initial bubble, and expansion sleeve is spinned in mounting hole or displacement.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of upset bolt of the utility model；
Fig. 2 is a kind of sectional view of upset bolt of the utility model；
Fig. 3 is the sectional view of expansion sleeve in a kind of upset bolt of the utility model.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" to be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
The term for stating position relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
Fig. 1 to Fig. 3 is a kind of first embodiment of upset bolt, including expansion sleeve 1, is arranged in expansion sleeve 1
There is expansion pull rod 2；Expansion pull rod 2 threaded one end be connected with pressure cone 3, expansion pull rod 2 the other end be arranged with it is adjustable fixed
Away from bar 4；Pressure cone 3 is abutted against with 1 inner wall of expansion sleeve, and distance rod 4 is threadedly coupled with expansion sleeve 1, is additionally provided on distance rod 4
Fastening structure 5.
Wherein, expansion sleeve 1 close on pressure cone 3 one end periphery on be evenly arranged with respectively several notch arrangements 6 with
And the first wedge-shaped fin 7, the several second wedge-shaped fins 8 are evenly arranged on the periphery of the one end of expansion sleeve 1 far from pressure cone 3.
In addition, 1 inside of expansion sleeve includes the first cavity structure 9, the second cavity structure 10 and third cavity structure 11.
Wherein, section is trapezoidal to the first cavity structure 9 in an axial direction, and the first cavity structure 9 matches with pressure cone 3.
In addition, the cross section of the second cavity structure 10 is circle, the second cavity structure 10 matches with expansion pull rod 2.
Wherein, the cross section of third cavity structure 11 is circle, and third cavity structure 11 matches with distance rod 4.
In addition, one end of distance rod 4 is threadedly coupled with third cavity structure 11, the other end of distance rod 4 exposes to expansion
Sleeve 1.
Wherein, the end of distance rod 4 is the first prism structure 12 of regular polygon.
In addition, being provided with gasket 13 on distance rod 4, gasket 13 is set between fastening structure 5 and expansion sleeve 1.
Wherein, the one end of expansion pull rod 2 far from pressure cone 3 is the second prism structure 14 of positive shape changeable.
Implementation principle：Pressure cone 3 and expansion pull rod 2 are connected through a screw thread and are assembled together, and distance rod 4 passes through screw thread and expansion
Sleeve 1 links together, and the screw-thread fit length of expansion sleeve 1 and distance rod 4 is pre-adjusted according to the depth of mounting hole, to
Determine that this entire expansion bolt in the position of mounting hole, then beats distance rod 4 and expansion sleeve 1 is thrown into wall, expansion sleeve
The second wedge-shaped fin 8 on cylinder 1 is used for preliminary fixed expansion bolt, prevents expansion bolt from being shifted in mounting hole, gradually rotates swollen
Swollen pull rod 2 makes pressure cone 3 widen expansion sleeve 1, to make expansion bolt be stuck in mounting hole.If the aperture for installing object is smaller
When, distance rod 4 can be twisted off, retain expansion pull rod 2, be then added gasket 13 and fastening structure 5, complete the fixed peace of object
Dress；If the aperture for installing object is larger, expands pull rod 2 and be screwed to less than 4 position of distance rod, be then added gasket 13 and fastening knot
The fixed installation of object can be completed in structure 5.
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.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of upset bolt, it is characterised in that：Including expansion sleeve（1）, the expansion sleeve（1）In be provided with expansion
Pull rod（2）；The expansion pull rod（2）Threaded one end be connected with pressure cone（3）, the expansion pull rod（2）The other end be arranged with
Adjustable distance rod（4）；The pressure cone（3）With the expansion sleeve（1）Inner wall abuts against, the distance rod（4）With it is described
Expansion sleeve（1）It is threadedly coupled, the distance rod（4）On be additionally provided with fastening structure（5）.
2. upset bolt according to claim 1, it is characterised in that：The expansion sleeve（1）Close on pressure cone（3）'s
Several notch arrangements are evenly arranged on the periphery of one end respectively（6）And the first wedge-shaped fin（7）, the expansion sleeve（1）
Far from pressure cone（3）One end periphery on be evenly arranged with the several second wedge-shaped fins（8）.
3. upset bolt according to claim 2, it is characterised in that：The expansion sleeve（1）Inside includes first
Cavity structure（9）, the second cavity structure（10）And third cavity structure（11）.
4. upset bolt according to claim 3, it is characterised in that：First cavity structure（9）It cuts in an axial direction
Face is trapezoidal, first cavity structure（9）It is bored with the pressure（3）Match.
5. upset bolt according to claim 3, it is characterised in that：Second cavity structure（10）Cross section
For circle, second cavity structure（10）With the expansion pull rod（2）Match.
6. upset bolt according to claim 3, it is characterised in that；The third cavity structure（11）Cross section
For circle, the third cavity structure（11）With the distance rod（4）Match.
7. according to claim 4 to 6 any one of them upset bolt, it is characterised in that：The distance rod（4）One end
With third cavity structure（11）It is threadedly coupled, the distance rod（4）The other end expose to the expansion sleeve（1）.
8. upset bolt according to claim 7, it is characterised in that：The distance rod（4）End be it is just polygon
First prism structure of shape（12）.
9. upset bolt according to claim 8, it is characterised in that：The distance rod（4）On be provided with gasket
（13）, the gasket（13）It is set to the fastening structure（5）With the expansion sleeve（1）Between.
10. upset bolt according to claim 9, it is characterised in that：The expansion pull rod（2）Far from pressure cone（3）
One end be positive shape changeable the second prism structure（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120436.8U CN207921062U (en) | 2018-01-24 | 2018-01-24 | A kind of upset bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120436.8U CN207921062U (en) | 2018-01-24 | 2018-01-24 | A kind of upset bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921062U true CN207921062U (en) | 2018-09-28 |
Family
ID=63605164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820120436.8U Expired - Fee Related CN207921062U (en) | 2018-01-24 | 2018-01-24 | A kind of upset bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873105A (en) * | 2019-11-20 | 2020-03-10 | 上海令恩工程科技有限公司 | Installation method of standard sleeve self-locking one-way bolt |
-
2018
- 2018-01-24 CN CN201820120436.8U patent/CN207921062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873105A (en) * | 2019-11-20 | 2020-03-10 | 上海令恩工程科技有限公司 | Installation method of standard sleeve self-locking one-way bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20190124 |