CN205978375U - A gasket centering device for bolt flange joint - Google Patents
A gasket centering device for bolt flange joint Download PDFInfo
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- CN205978375U CN205978375U CN201620926010.2U CN201620926010U CN205978375U CN 205978375 U CN205978375 U CN 205978375U CN 201620926010 U CN201620926010 U CN 201620926010U CN 205978375 U CN205978375 U CN 205978375U
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- centering
- sleeve
- guide sleeve
- centering device
- centering sleeve
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Abstract
The utility model provides the utility model discloses a bolt flange joint's centering device includes: reset spring, a centering sleeve section of thick bamboo, guide sleeve and two nut anti loosening structure, wherein: guide telescopic one end pass a centering sleeve section of thick bamboo the bottom and with centering sleeve section of thick bamboo clearance fit, a centering sleeve section of thick bamboo along the guide sleeve make axial motion, guiding the telescopic other end to pass two nut anti loosening structure and setting up, return spring set connects in the guide sleeve outside, reset spring's one end links to each other with the bottom of a centering sleeve section of thick bamboo, and the other end links to each other with two nut anti loosening structure's up end, the utility model relates to a rationally, simple structure, low in manufacturing cost and reuse rate are high, but the wide application leads to the condition of gasket offsetting when needing axial installation bolt gasket.
Description
Technical field
The utility model relates to a kind of technology of mechanical engineering field, specifically a kind of for Bolted Flanged Connection
Pad centering device.
Background technology
At present, in mechanical heavy industry industry, bolt flange pad connect be a kind of conventional connected mode, its be one quiet not
Fixed structure, in pretension, two elements can be in higher stress level.In the automotive industry, the drain oil on automobile gearbox and
Oil level hole is exactly to be connected using bolt flange pad.Because drain oil and oil level hole position are in the lower end of case of transmission, installing
When bleeder plug and fuel level line plug, typically by the way of parallel to the ground.In installation process, by pad self gravitation and Bolt-withdrawing device
The impact of cutter groove, can make pad occur moving down the phenomenon misaligning, even if pretightning force produced by every bolt during pretension is equal
Even equal, and pad is not placed in the middle, then on gasket seal face, produced pretightening unit sealing load also can be different.Therefore misalign
Compared with pad pad preferable with centering, its decrement and springback capacity are uneven, the larger local cross-sectional area of stress become big and
Stress less place variable quantity is less, and the ovality leading to pad is increased by this, and sealing is difficult, is also easy to produce asking of oil liquid leakage
Topic.
Utility model content
It is complex that this utility model is directed to existing centralising device structure, and relatively difficult to achieve disposable to moderate defect, carry
Go out a kind of pad centering device for Bolted Flanged Connection, by the guide sleeve of inside and outside socket, centering sleeve and reset bullet
Spring, in advance by the relative position centering of bolt and flange face pad, further with precession in the hole, can effectively ensure that bolt flange face even
The sealing effectiveness connecing.
This utility model is achieved through the following technical solutions：
This utility model includes：Back-moving spring, centering sleeve, guide sleeve and pairs of anti-loose nut structure, wherein：Guide sleeves
One end of cylinder is passed through the bottom of centering sleeve and is coordinated with centering sleeve gap, and centering sleeve makees axially-movable along guide sleeve；
The other end of guide sleeve passes through pairs of anti-loose nut structure to arrange, and back-moving spring is socketed in outside guide sleeve；Back-moving spring
One end is connected with the bottom of centering sleeve, and the other end is connected with the upper surface of pairs of anti-loose nut structure.
The bottom of described centering sleeve is sequentially provided with spring supporting base and centering sleeve boss, centering sleeve boss
External diameter is less than the external diameter of spring supporting base.
The side wall internal diameter of described centering sleeve is coordinated with the crest clearance of described bolt and pad.
Described side wall is provided with two breach being arranged symmetrically with guide sleeve axis.
The opening angle of described breach is 90 °.
Described back-moving spring is socketed in centering sleeve outside the boss, and is connected with spring supporting base.
The central authorities of described spring supporting base and centering sleeve boss are respectively equipped with the endoporus matching with guide sleeve.
One end outside described guide sleeve is provided with the shaft shoulder, and the other end is provided with screw thread.
The external diameter of the described shaft shoulder is more than the diameter of endoporus.
Described pairs of anti-loose nut structure includes upper and lower two nuts.
Two described nuts are relatively fixed by the screw thread in guide sleeve and guide sleeve.
Technique effect
Compared with prior art, this utility model can ensure that pad, to dress of feeling at ease, effectively prevents fluid in automotive transmission
Lead to due to the inconsistent of pad deflection leak, reasonable in design, structure is simple, low cost of manufacture and high recycling rate,
The situation that can be widely applied to need axially mounted pad and be easily caused pad offsetting.
Brief description
Fig. 1 is this utility model structure sectional view；
Fig. 2 is this utility model scheme of installation；
In figure：1 is centering sleeve, and 2 is spring supporting base, and 3 is guide sleeve, and 4 is pairs of anti-loose nut structure, and 5 is axle
Shoulder, 6 is side wall, and 7 is centering sleeve boss, and 8 is back-moving spring, and 9 is oilhole, and 10 is pad, and 11 is bolt, and 12 is that the heart is filled
Put.
Specific embodiment
Below embodiment of the present utility model is elaborated, the present embodiment is being front with technical solutions of the utility model
Put and implemented, give detailed embodiment and specific operating process, but protection domain of the present utility model does not limit
In following embodiments.
Embodiment 1
As shown in figure 1, the present embodiment includes：Back-moving spring 8, centering sleeve 1, guide sleeve 3 and pairs of anti-loose nut structure
4, wherein：One end of guide sleeve 3 pass through centering sleeve 1 bottom and with the cooperation of centering sleeve 1 gap, centering sleeve 1 is along drawing
Axially-movable made by guide pin bushing cylinder 3；The other end of guide sleeve 3 is arranged through pairs of anti-loose nut structure 4, and back-moving spring 8 is socketed in and draws
Outside guide pin bushing cylinder 3；One end of back-moving spring 8 is connected with the bottom of centering sleeve 1, and the other end is upper with pairs of anti-loose nut structure 4
End face is connected.
The bottom of described centering sleeve 1 is sequentially provided with spring supporting base 2 and centering sleeve boss 7, and centering sleeve is convex
The external diameter of platform 7 is less than the external diameter of spring supporting base 2.
Side wall 6 internal diameter of described centering sleeve 1 is coordinated with the crest clearance of described bolt 11 and pad 10.
Described side wall 6 is provided with two breach being arranged symmetrically with guide sleeve 3 axis.
The opening angle of described breach is 90 °.
Described back-moving spring 8 is socketed in outside centering sleeve boss 7, and is connected with spring supporting base 2.
Described centering sleeve boss 7 plays the effect of spring retainer.
In the central authorities of described spring supporting base 2 and centering sleeve boss 7 are respectively equipped with and are matched with guide sleeve 3
Hole.
Described endoporus inner wall smooth, and coordinate with guide sleeve 3 gap.
Described guide sleeve 3 inner wall smooth, the crest clearance cooperation with bolt 11 and frock (driving adaptor).
The one end in described guide sleeve 3 outside is provided with the shaft shoulder 5, and the other end is provided with screw thread.
The external diameter of the described shaft shoulder 5 is more than the diameter of endoporus, to ensure that the shaft shoulder 5 may be stuck in centering sleeve 1.
Described pairs of anti-loose nut structure 4 includes upper and lower two nuts.
The screw thread that two described nuts pass through in guide sleeve 3 is relatively fixed with guide sleeve 3, plays locking effect.
As shown in Fig. 2 when installing pad 10 and bolt 11 on gearbox case, now back-moving spring 8 is in and slightly compresses
State, loads bolt 11 and pad 10 in the centering sleeve 1 of centering device 12 successively, and so that the head side of bolt 11 is adjacent to
Side wall 6 internal diameter of centering sleeve 1, the end face of pad 10 is adjacent to the flange face end of bolt 11, completes to pre-install；To complete to pre-install
Centering device 12 be adjacent to oilhole 9, choose suitable frock (driving adaptor) and be placed in and tightens rifle front end, switching head depth will be driven
Enter in guide sleeve 3 and coordinate with guide sleeve 3 gap；Side wall 6 front end of the centering sleeve having pre-installed 1 is stuck in variator
On shell muscle, now, due to carrying out the centering of pad 10 using centering sleeve 1, thereby ensure that pad 10 will not installed
Occurring in journey glides offsets.
Claims (10)
1. a kind of centering device for Bolted Flanged Connection is it is characterised in that include：Back-moving spring, centering sleeve, guide sleeves
Cylinder and pairs of anti-loose nut structure, wherein：One end of guide sleeve is passed through the bottom of centering sleeve and is coordinated with centering sleeve gap,
Centering sleeve makees axially-movable along guide sleeve；The other end of guide sleeve passes through pairs of anti-loose nut structure to arrange, back-moving spring
It is socketed in outside guide sleeve；One end of back-moving spring is connected with the bottom of centering sleeve, the other end and pairs of anti-loose nut structure
Upper surface be connected.
2. centering device according to claim 1, is characterized in that, the bottom of described centering sleeve is sequentially provided with spring and props up
Support base and centering sleeve boss, the external diameter of centering sleeve boss is less than the external diameter of spring supporting base.
3. centering device according to claim 1, is characterized in that, the described side wall internal diameter of centering sleeve and described bolt
Crest clearance cooperation with pad.
4. centering device according to claim 3, is characterized in that, described side wall is provided with two and with guide sleeve axis is in
The breach being arranged symmetrically.
5. centering device according to claim 2, is characterized in that, described back-moving spring is socketed in outside centering sleeve boss
Side, and be connected with spring supporting base.
6. centering device according to claim 2, is characterized in that, described spring supporting base and centering sleeve boss
Central authorities are respectively equipped with the endoporus matching with guide sleeve.
7. centering device according to claim 1, is characterized in that, the one end outside described guide sleeve is provided with the shaft shoulder,
The other end is provided with screw thread.
8. centering device according to claim 7, is characterized in that, the external diameter of the described shaft shoulder is more than the diameter of endoporus.
9. centering device according to claim 1, is characterized in that, described pairs of anti-loose nut structure includes upper and lower two spiral shells
Female.
10. centering device according to claim 9, is characterized in that, two described nuts pass through the spiral shell in guide sleeve
Stricture of vagina is relatively fixed with guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620926010.2U CN205978375U (en) | 2016-08-23 | 2016-08-23 | A gasket centering device for bolt flange joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620926010.2U CN205978375U (en) | 2016-08-23 | 2016-08-23 | A gasket centering device for bolt flange joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978375U true CN205978375U (en) | 2017-02-22 |
Family
ID=58033079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620926010.2U Active CN205978375U (en) | 2016-08-23 | 2016-08-23 | A gasket centering device for bolt flange joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430091A (en) * | 2022-01-04 | 2022-05-03 | 岚图汽车科技有限公司 | Dynamic control method and system for battery pack pressure |
-
2016
- 2016-08-23 CN CN201620926010.2U patent/CN205978375U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430091A (en) * | 2022-01-04 | 2022-05-03 | 岚图汽车科技有限公司 | Dynamic control method and system for battery pack pressure |
| CN114430091B (en) * | 2022-01-04 | 2024-04-16 | 岚图汽车科技有限公司 | Dynamic control method and system for pressure of battery pack |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |