CN209414606U - A kind of retaining mechanism for sealing-plug - Google Patents
A kind of retaining mechanism for sealing-plug Download PDFInfo
- Publication number
- CN209414606U CN209414606U CN201821445865.9U CN201821445865U CN209414606U CN 209414606 U CN209414606 U CN 209414606U CN 201821445865 U CN201821445865 U CN 201821445865U CN 209414606 U CN209414606 U CN 209414606U
- Authority
- CN
- China
- Prior art keywords
- column
- screw rod
- sealing
- plug
- cylinder
- 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 retaining mechanisms for sealing-plug, belong to taper sealing technical field, comprising: sealing-plug, knob, screw rod, column, bracket and straight pin；The sealing-plug is made of cylindrical section and rotary table section；The small end of sealing-plug is sleeved on the open end of cylinder；Knob is fixed at the top of screw rod；The bottom of screw rod is machined with coaxial annular groove；The column is the column construction for being machined with axial blind hole, and outer circumference surface processes the cylinder pin hole parallel there are two axis, and two cylinder pin holes cross with the axial blind hole of column respectively；The column is located on the cylindrical section end face of sealing-plug, and the bottom of the screw rod is mounted in the axial blind hole of column, and the annular groove of screw rod is opposite with two cylinder pin holes of column, forms two for installing the channel of straight pin；Two straight pins are separately mounted in the channel, and screw rod and column are connected as entirety；The sealing-plug of the utility model uses the form of taper sealing, has the characteristics that easy to disassemble.
Description
Technical field
The utility model belongs to taper sealing technical field, and in particular to a kind of retaining mechanism for sealing-plug.
Background technique
It needs to carry out the detection of hydraulic pressure strength character, hydraulic pressure intensity index after certain product stack shell bonding are as follows: rise in pressure 3s~8s
To 4.5MPa ± 0.5MPa, pressure maintaining 1s.Since the product stack shell volume is larger, while during the water pressure test, cylinder lumen fills
Full water, cylinder both ends must seal, and just be able to satisfy product water pressure testing requirements；It is strong that cylinder both ends seal structural part need to meet hydraulic pressure
It spends in detection process, is contacted for a long time with water, bear two-way operation pressure, bear biggish frictional force, repeated removal, while cannot
The operating condition requirement for destroying test product feature contacts face, does not there is the seal structural part that can reach above-mentioned requirements at present.
Utility model content
In view of this, the present invention provides a kind of retaining mechanism for sealing-plug, the sealing-plug uses taper
The form of sealing, has the characteristics that easy to disassemble, and sealing-plug can be pressed into cylinder by the retaining mechanism, realize to cylinder can
By sealing.
The utility model is achieved through the following technical solutions:
A kind of retaining mechanism for sealing-plug, comprising: sealing-plug, knob, screw rod, column, bracket and straight pin；
The sealing-plug is made of cylindrical section and rotary table section, and cylindrical section is docked with the big end of rotary table section, is equipped at docking
Step surface, for carrying out axial limiting to sealing-plug；The small end of sealing-plug is sleeved on the open end of cylinder；
The middle part of the screw rod is mounted in external support member by bracket, and screw rod is to be threadedly coupled with bracket；
Knob is fixed at the top of screw rod, knob is for rotating screw rod；The bottom of screw rod is machined with coaxial annular groove, the annular groove
Radial section is semicircle；
The column is the column construction for being machined with axial blind hole, the outer circumference surface processing cylinder parallel there are two axis
Pin hole, wherein plane where the axis of two cylinder pin holes is vertical with the axis of column, and two cylinder pin holes respectively with column
Axial blind hole cross；
The column is located on the cylindrical section end face of sealing-plug, and the bottom of the screw rod is mounted on the axial blind hole of column
It is interior, and the annular groove of screw rod is opposite with two cylinder pin holes of column, forms two for installing the channel of straight pin；Two institutes
It states straight pin to be separately mounted in the channel, screw rod and column is connected as entirety, and make when screw rod rotates, straight pin
With the annular groove rotating contact of screw rod, column is not rotated with the rotation of screw rod.
Further, the taper of the rotary table section of the sealing-plug is 7 °.
Further, the sealing-plug selects nylon rod to be processed into.
Further, the outer circumference surface of the column is machined with along its axial guide groove；It is fixed with and leads on the bracket
To screw, matched with the guide groove of the column for the bottom for being located at screw rod.
The utility model has the advantages that the sealing-plug of (1) the utility model uses the form of taper sealing, one can be transmitted using frictional force
Fixed torque realizes reliable sealing, the hydraulic pressure intensity detection index being able to bear within 6MPa, and taper fit is easy to disassemble.
(2) sealing-plug can be pressed into cylinder by the retaining mechanism of the utility model, realize the reliable sealing to cylinder；And it is logical
The rotation separation that two straight pins realize screw rod and column is crossed, can prevent column from driving sealing-plug rotation by frictional force, with
The sealing effect of fine and close blocking is bad.
(3) taper of the rotary table section of the sealing-plug of the utility model is 7 °, and structural mechanics characteristic is good, can satisfy sealing-plug
Seal request be easy to fall off if the taper of sealing-plug too kilocalorie is not tight, the too small length of fit of taper is small, do not have sealing make
With.
(4) sealing-plug of the utility model is made of nylon rod, and nylon rod has good seal performance, good toughness, wear-resisting
Power is strong, oil resistant, antidetonation, stretching, bending strength are good, and has the characteristics that water imbibition is small, good stability of the dimension, easy to process, can
Repeated multiple times use reduces tooling entirety manufacturing cost.
Detailed description of the invention
Fig. 1 is the structure composition figure of the utility model；
Fig. 2 is the main view of column；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the main view of screw rod；
Fig. 5 is the scheme of installation of straight pin；
Wherein, 1- knob, 2- screw rod, 3- column, 4- sealing-plug, 5- straight pin, 6- bracket.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of retaining mechanism for sealing-plug is present embodiments provided, referring to attached drawing 1, comprising: sealing-plug 4, knob 1,
Screw rod 2, column 3, bracket 6 and straight pin 5, wherein the knob 1, screw rod 2, column 3, bracket 6 and the composition locking of straight pin 5
Mechanism；
The sealing-plug 4 is made of cylindrical section and rotary table section, and cylindrical section is docked with the big end of rotary table section, is equipped at docking
Step surface, for carrying out axial limiting to sealing-plug 4；The small end of sealing-plug 4 is sleeved on the open end of cylinder；Wherein, sealing-plug 4
Rotary table section taper be 7 °, select nylon rod be processed into；
Referring to attached drawing 4, the middle part of the screw rod 2 is mounted in external support member by bracket 6, and screw rod 2 and branch
Frame 6 is to be threadedly coupled；The top of screw rod 2 is fixed with knob 1, and knob 1 is for rotating screw rod 2；The bottom of screw rod 2 is machined with together
The annular groove of axis, the radial section of the annular groove are semicircle, diameter 8.5mm；
Referring to attached drawing 2 and 3, the column 3 is the column construction for being machined with axial blind hole, and there are two outer circumference surface processing
The parallel cylinder pin hole of axis and along its axial guide groove, wherein plane where the axis of two cylinder pin holes and column 3
Axis is vertical, and axial blind hole of two cylinder pin holes respectively with column 3 crosses；The diameter of cylinder pin hole is 8.5mm；
The column 3 is located on the cylindrical section end face of sealing-plug 4, and the axial direction that the bottom of the screw rod 2 is mounted on column 3 is blind
In hole, and the annular groove of screw rod 2 is opposite with two cylinder pin holes of column 3, forms two for installing the channel of straight pin 5；
Referring to attached drawing 5, two straight pins 5 are separately mounted in the channel, screw rod 2 and column 3 are connected as entirety, and make
When screw rod 2 rotates, the annular groove rotating contact of straight pin 5 and screw rod 2, column 3 is not rotated with the rotation of screw rod 2；Wherein,
The diameter of straight pin 5 is 8mm；
It is fixed with guider screw on the bracket 6, matches, is used for the guide groove of the column 3 for the bottom for being located at screw rod 2
Prevent column 3 from rotating.
Working principle: by turning knob 1, so that screw rod 2 moves straight down in rotation, and then drive column 3 perpendicular
It directly moves downward, and column 3 does not rotate, column 3 pushes sealing-plug 4 to move into cylinder, in the pressure process straight down of column 3
In, it is gradually pressed into cylinder from the small end of the rotary table section of sealing-plug 4 to big end, the conical surface of sealing-plug 4 sufficiently connects with cylinder inboard wall
Touching forms interference fit and the more presses the more tight, realizes the sealing to cylinder.
In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model
Protection scope.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap
Containing being within the protection scope of the utility model.
Claims (2)
1. a kind of retaining mechanism for sealing-plug characterized by comprising knob (1), screw rod (2), column (3), bracket
(6) and straight pin (5)；It is made of with the sealing-plug of retaining mechanism cooperation cylindrical section and rotary table section, and cylindrical section and rotary table
The big end of section is docked, and step surface is equipped at docking, for carrying out axial limiting to sealing-plug；The small end of sealing-plug is sleeved on cylinder
Open end；
The middle part of the screw rod (2) is mounted in external support member by bracket (6), and screw rod (2) and bracket (6) are spiral shell
Line connection；It is fixed at the top of screw rod (2) knob (1), knob (1) is for rotating screw rod (2)；The bottom of screw rod (2) is machined with
Coaxial annular groove, the radial section of the annular groove are semicircle；
The column (3) is the column construction for being machined with axial blind hole, the outer circumference surface processing cylinder parallel there are two axis
Pin hole, wherein plane where the axis of two cylinder pin holes is vertical with the axis of column (3), and two cylinder pin holes respectively with
The axial blind hole of column (3) crosses；
The column (3) is located on the cylindrical section end face of sealing-plug (4), and the bottom of the screw rod (2) is mounted on the axis of column (3)
Into blind hole, and the annular groove of screw rod (2) is opposite with two cylinder pin holes of column (3), forms two for installing straight pin
(5) channel；Two straight pins (5) are separately mounted in the channel, and screw rod (2) and column (3) are connected as entirety,
And make when screw rod (2) rotate, the annular groove rotating contact of straight pin (5) and screw rod (2), column (3) is not with screw rod (2)
It rotates and rotates.
2. a kind of retaining mechanism for sealing-plug as described in claim 1, which is characterized in that the outer circle of the column (3)
Circumferential surface is machined with along its axial guide groove；
It is fixed with guider screw on the bracket (6), is matched with the guide groove of the column (3) for the bottom for being located at screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821445865.9U CN209414606U (en) | 2018-09-04 | 2018-09-04 | A kind of retaining mechanism for sealing-plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821445865.9U CN209414606U (en) | 2018-09-04 | 2018-09-04 | A kind of retaining mechanism for sealing-plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414606U true CN209414606U (en) | 2019-09-20 |
Family
ID=67929599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821445865.9U Expired - Fee Related CN209414606U (en) | 2018-09-04 | 2018-09-04 | A kind of retaining mechanism for sealing-plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414606U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774123A (en) * | 2019-11-08 | 2020-02-11 | 安徽持家汉家居工艺品有限公司 | Polishing equipment for wood craft processing and working method thereof |
| CN111981207A (en) * | 2020-09-01 | 2020-11-24 | 天津医科大学总医院 | Device for monitoring hemodynamics by penetrating catheter through wall of low-pressure hypoxia chamber |
| CN113357367A (en) * | 2021-05-27 | 2021-09-07 | 中国航发南方工业有限公司 | Sealing device and sealing method for oil way inlet on slewing box |
-
2018
- 2018-09-04 CN CN201821445865.9U patent/CN209414606U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774123A (en) * | 2019-11-08 | 2020-02-11 | 安徽持家汉家居工艺品有限公司 | Polishing equipment for wood craft processing and working method thereof |
| CN111981207A (en) * | 2020-09-01 | 2020-11-24 | 天津医科大学总医院 | Device for monitoring hemodynamics by penetrating catheter through wall of low-pressure hypoxia chamber |
| CN111981207B (en) * | 2020-09-01 | 2021-12-31 | 天津医科大学总医院 | Device for monitoring hemodynamics by penetrating catheter through wall of low-pressure hypoxia chamber |
| CN113357367A (en) * | 2021-05-27 | 2021-09-07 | 中国航发南方工业有限公司 | Sealing device and sealing method for oil way inlet on slewing box |
| CN113357367B (en) * | 2021-05-27 | 2023-11-03 | 中国航发南方工业有限公司 | Sealing device and sealing method for oil way inlet on rotary casing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209414606U (en) | A kind of retaining mechanism for sealing-plug | |
| WO2011089986A1 (en) | Clamp apparatus | |
| CN208977369U (en) | A kind of quick clamping mechanism | |
| CN200978819Y (en) | Large axle sleeve positioning structure | |
| CN202140041U (en) | Sucker rod centering device | |
| CN208992521U (en) | A kind of axial direction Quick Release chuck, component and axial grip device | |
| CN208322769U (en) | A kind of machine-building clamping device | |
| CN214247854U (en) | Swing oil cylinder with adjustable rotating angle | |
| CN211117905U (en) | Economical and practical hydraulic driving mechanism for plug valve | |
| CN211009357U (en) | Hydraulic oil cylinder with rotatable piston rod | |
| CN209100703U (en) | A kind of integrated rotating disc type reversal valve | |
| CN205967694U (en) | Telescopic tap chuck | |
| TWM447495U (en) | High sensitivity rotary resistance type material level switch | |
| CN207308124U (en) | A kind of pressing device of tube centrifuge transmission belt | |
| CN210254594U (en) | Pneumatic rotary chuck for electric spark perforating machine | |
| CN206129781U (en) | Rotary clamping hydraulic means | |
| CN101403284A (en) | Down-hole tool and controllable segment sealing device for down-hole working barrel seal | |
| CN201151561Y (en) | Direction-changing oil hole structure of roller bearing chamber | |
| CN205973295U (en) | Collapsable shaft | |
| US11358251B2 (en) | Grinding device for inner holes | |
| WO2010140554A1 (en) | Clamp device | |
| CN205260487U (en) | Low rotary resistance single action corner jar | |
| CN104075021A (en) | Valve anti-dismounting device and valve | |
| CN204552642U (en) | Small column groups of springs normally closed type strip slips chuck | |
| CN209425148U (en) | Flexible packaging film grinding device for cosmetic package |
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: 20190920 |