CN209164343U - A kind of bolt fastening structure - Google Patents
A kind of bolt fastening structure Download PDFInfo
- Publication number
- CN209164343U CN209164343U CN201820754517.3U CN201820754517U CN209164343U CN 209164343 U CN209164343 U CN 209164343U CN 201820754517 U CN201820754517 U CN 201820754517U CN 209164343 U CN209164343 U CN 209164343U
- Authority
- CN
- China
- Prior art keywords
- gasket
- hole
- bolt
- mounting base
- nut
- 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
- 239000002184 metal Substances 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model relates to a kind of bolt fastening structures, belong to machine components technical field, including mounting base, mounting hole is offered in mounting base, mounting hole internal screw thread is connected with bolt, bolt has nut, gasket is provided between nut and mounting base, said spacer mounting bores are offered on gasket, bolt passes through said spacer mounting bores rear thread and is connected in the mounting hole of mounting base, gasket edge turns over to form flange, snap-in structure is offered on flange, upper cover is covered on gasket and nut, upper cover bottom is provided with the holding tank for accommodating flange, the elastomeric element engaged with snap-in structure is provided in holding tank.The sheet metal or spring that the technical solution passes through fixed setting in holding tank, during the lid of upper cover closes, first constrain sheet metal or spring, when holding tank covers conjunction to flange completely, discharge sheet metal or spring, sheet metal or spring will abut on internal tooth or card slot under the action of elastic-restoring force at this time, and then realize that upper cover fixes the constraint of gasket.
Description
Technical field
The utility model relates to a kind of bolt fastening structures, belong to machine components technical field.
Background technique
Bolt is called screw, belongs to General Mechanical Parts, by head and screw rod (having externally threaded cylindrical body) two parts
Composition, for being fastenedly connected two parts for having through-hole, usually with nut or be affixed directly on the mounting hole of mounting base,
This connection type, which is called, to be bolted.As nut is screwed off from bolt, and the two parts can be made to separate, therefore bolt
Connection is to belong to the one kind being detachably connected.
Bolt is widely used as general purpose accessory in fields such as communications and transportation, hydraulic engineering, construction, machinings.
Existing bolt during the installation process, the problem of being easy to happen loosening, although and traditional mounting structure for adding gasket can
Bolt looseness is placed to a certain extent, but after long-time use, gasket reduces the locking effect of bolt, especially for
Often in the mounting base of vibrational state, bolt looseness problem happens occasionally.
Summary of the invention
To solve problems of the prior art, the utility model provides a kind of bolt fastening structure, can pass through
Upper cover carries out constraint fixation to gasket, to prevent gasket from loosening, improves the fixed reliability of bolt.Specific technical solution is such as
Under:
A kind of bolt fastening structure, including mounting base offer mounting hole, the mounting hole internal screw thread in the mounting base
It is connected with bolt, the bolt has nut, gasket is provided between the nut and mounting base, pad is offered on the gasket
Piece mounting hole, the bolt pass through said spacer mounting bores rear thread and are connected in the mounting hole of mounting base, and the gasket edge turns over
Flange is formed, offers snap-in structure on the flange, upper cover, the upper cover bottom setting are covered on the gasket and nut
There is the holding tank for accommodating flange, is provided with the elastomeric element engaged with snap-in structure in the holding tank.
As an improvement of the above technical solution, pin hole is offered in the nut, offers perforative spiral shell on the upper lid
Keyhole is provided with the positioning pin with pin hole cooperation in the upper cover.
As an improvement of the above technical solution, the elastomeric element is sheet metal or spring.
As an improvement of the above technical solution, the snap-in structure is internal tooth or card slot.
As an improvement of the above technical solution, the number of the pin hole is two, is symmetricly set on nut two sides, described fixed
The number of position pin is two, is symmetricly set on the inside of bolt hole.
As an improvement of the above technical solution, it is also provided with gasket location hole in the mounting base, is opened up on the gasket
There is through-hole corresponding with gasket location hole, screw is threaded on the gasket location hole, the screw passes through spiral shell after through-hole
Line is connected to the gasket positioning hole of mounting base.
As an improvement of the above technical solution, the number of the gasket location hole is two, is symmetricly set on mounting hole two
Side.
Above-mentioned technical proposal is by the interior sheet metal or spring being fixedly installed of holding tank, during the lid of upper cover closes, first
Sheet metal or spring are constrained, when holding tank covers conjunction to flange completely, discharges sheet metal or spring, at this time sheet metal or bullet
Spring will abut on internal tooth or card slot under the action of elastic-restoring force, and then realize that upper cover fixes the constraint of gasket.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bolt fastening structure of the utility model.
Fig. 2 is the structural schematic diagram of upper cover bottom holding tank in the utility model.
Fig. 3 is the structural schematic diagram of gasket in the utility model embodiment two.
Specific embodiment
Embodiment one
As shown in Figure 1 and Figure 2, the utility model provides a kind of bolt fastening structure, including mounting base 10, mounting base 10
On offer mounting hole 11,11 internal screw thread of mounting hole is connected with bolt 30, and bolt 30 has nut 31, nut 31 and mounting base 10
Between be provided with gasket 20, offer said spacer mounting bores 21 on gasket 20, bolt 30 is connected across 21 rear thread of said spacer mounting bores
Into the mounting hole 11 of mounting base 10,20 edge of gasket turns over to form flange 23, and snap-in structure, gasket 20 are offered on flange 23
Be covered with upper cover 50 on nut 31,50 bottom of upper cover is provided with the holding tank 53 for accommodating flange 23, is provided in holding tank 53
The elastomeric element 54 engaged with snap-in structure.
In the embodiment, the structure of gasket 20 is similar to inverted bottle cap, and 20 edge of gasket turns over to form flange 23, upper cover
50 have holding tank 53, and for upper cover 50 when lid is closed onto gasket 20, the holding tank 53 of upper cover 50 fits to the outer of flange 23 just
Edge, the flexible sheet metal of the interior fixed setting of holding tank 53 first constrain the metal of elasticity during upper cover 50 is covered and closed
Piece discharges sheet metal when lid is closed onto flange 23 holding tank 53 completely, and sheet metal will under the action of elastic-restoring force at this time
It abuts on snap-in structure, wherein snap-in structure uses the structure of internal tooth 24, at this time in the snap-in function of sheet metal and internal tooth 24
Under, upper cover 50 realizes that constraint is fixed to gasket 20.
Further, pin hole 32 is offered in nut 31, and perforative bolt hole 51 is offered in upper cover 50, is set in upper cover 50
It is equipped with the positioning pin 52 cooperated with pin hole 32.It is provided with positioning pin 52 in the bolt hole 51 of upper cover 50 in the preferred embodiment, when upper
When lid 50 is engaged to completely on gasket 20, the pin hole 32 of positioning pin 52 and nut 31, which is realized, to be cooperated, at this time upper cover 50 and bolt 30
Between generate the constraint relationship, and then limit the rotation of bolt 30, improve the fixed effect of bolt fastening structure.The number of pin hole 32
It can be two or more, be symmetricly set on 31 two sides of nut, the number of positioning pin 52 is corresponding to pin hole 32, positioning pin 52
It is symmetricly set on 51 inside of bolt hole.
Embodiment two
In the embodiment, as shown in figure 3, the structure of gasket 20 is similar to traditional gasket construction, spacer thickness is relatively thin, on
For lid 50 when lid is closed onto gasket 20, the holding tank 53 of upper cover 50 can also fit to the outer edge of flange 23, the difference is that pad
On piece offers card slot 25, and the flexible sheet metal of fixed setting in holding tank 53 first constrains during upper cover 50 is covered and closed
The sheet metal of elasticity discharges sheet metal, sheet metal is in elastic-restoring force at this time when lid is closed onto flange 23 holding tank 53 completely
Under the action of will abut in card slot 25, at this time under the snap-in function of sheet metal and card slot 25, upper cover 50 realizes gasket 20
Constraint is fixed.
Embodiment three
In the embodiment, fixed setting flexible steel wire or spring in holding tank 53, during upper cover 50 is covered and is closed,
Steel wire or spring are first constrained, when lid is closed onto flange 23 holding tank 53 completely, discharges steel wire or spring, at this time steel wire
Or spring will abut on snap-in structure under the action of elastic-restoring force, wherein snap-in structure can be using internal tooth 24 or card
The structure of slot 25, at this time under the snap-in function of steel wire or spring and internal tooth 24 or card slot 25, upper cover 50 realizes gasket 20
Constraint is fixed.
Example IV
In the embodiment, it is also provided with gasket location hole 12 in mounting base 10, is offered on gasket 20 and gasket location hole
12 corresponding through-holes 22, screw 40 is threaded on gasket location hole 12, and the screw 40 is connected across 22 rear thread of through-hole
Into the gasket location hole 12 of mounting base 10, the number of gasket location hole 12 is two, and gasket location hole 12 is symmetricly set on peace
Fill 11 two sides of hole.In the preferred embodiment, gasket 20 is fixed in mounting base 10 by screw 40, it is ensured that gasket 20, which is in, to be fixed
State, then by forming the state mutually constrained between upper cover 50, gasket 20 and bolt 30, to improve bolt fastening structure
Reliability.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (5)
1. a kind of bolt fastening structure, which is characterized in that including mounting base, mounting hole, the peace are offered in the mounting base
Dress hole internal screw thread is connected with bolt, and the bolt has nut, gasket, the gasket are provided between the nut and mounting base
On offer said spacer mounting bores, the bolt passes through said spacer mounting bores rear thread and is connected in the mounting hole of mounting base, the pad
Piece edge turns over to form flange, and snap-in structure is offered on the flange, is covered with upper cover on the gasket and nut, it is described on
Base portion is provided with the holding tank for accommodating flange, is provided with the elastomeric element engaged with snap-in structure in the holding tank, described
Pin hole is offered in nut, perforative bolt hole is offered on the upper lid, is provided in the upper cover and is determined with what pin hole cooperated
Position is sold, and is also provided with gasket location hole in the mounting base, through-hole corresponding with gasket location hole, institute are offered on the gasket
It states and is threaded with screw on gasket location hole, the screw passes through the gasket location hole that through-hole rear thread is connected to mounting base
It is interior.
2. a kind of bolt fastening structure as described in claim 1, which is characterized in that the elastomeric element is sheet metal or bullet
Spring.
3. a kind of bolt fastening structure as claimed in claim 2, which is characterized in that the snap-in structure is internal tooth or card slot.
4. a kind of bolt fastening structure as described in claim 1, which is characterized in that the number of the pin hole is two, symmetrically
Setting is two, is symmetricly set on the inside of bolt hole in nut two sides, the number of the positioning pin.
5. a kind of bolt fastening structure as described in claim 1, which is characterized in that the number of the gasket location hole is two
It is a, be symmetricly set on two sides of mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754517.3U CN209164343U (en) | 2018-05-18 | 2018-05-18 | A kind of bolt fastening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754517.3U CN209164343U (en) | 2018-05-18 | 2018-05-18 | A kind of bolt fastening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164343U true CN209164343U (en) | 2019-07-26 |
Family
ID=67326577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820754517.3U Expired - Fee Related CN209164343U (en) | 2018-05-18 | 2018-05-18 | A kind of bolt fastening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164343U (en) |
-
2018
- 2018-05-18 CN CN201820754517.3U patent/CN209164343U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |