CN206785845U - A kind of accurate torque pad - Google Patents
A kind of accurate torque pad Download PDFInfo
- Publication number
- CN206785845U CN206785845U CN201720446539.9U CN201720446539U CN206785845U CN 206785845 U CN206785845 U CN 206785845U CN 201720446539 U CN201720446539 U CN 201720446539U CN 206785845 U CN206785845 U CN 206785845U
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- China
- Prior art keywords
- rotary sleeve
- shim body
- hole
- straight
- straight pin
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a kind of accurate torque pad, belong to pad field.It includes shim body, rotary sleeve, straight pin, holding screw；The shim body center is provided with stepped hole；The rotary sleeve center is provided with through hole, and rotary sleeve is placed in stepped hole upper cavity just；Side is provided with groove in the middle part of the straight pin, straight pin is inserted in pin shaft hole, two straight pins clamp the locating slot of rotary sleeve.By setting straight knurling at the top of shim body bottom, rotary sleeve, increase the frictional force between bolt and rotary sleeve, between shim body and machine components, shim body is smooth with rotary sleeve contact surface and scribbles lubricant, reduce the frictional force between shim body and rotary sleeve contact surface, during fastening, the moment of torsion being applied on bolt is very small by the influence of frictional force, can be controlled very precisely pretightning force size；The mode of rotary sleeve is clamped using bilateral straight pin, rotary sleeve is movably fixed in shim body.
Description
Technical field
A kind of accurate torque pad is the utility model is related to, belongs to pad field.
Background technology
, it is necessary to cover Upper gasket on bolt before bolt fastening；After fastening, pad plays a part of preventing bolt looseness.
At present, spacer for bolt is relatively simple for structure, is an annular gasket structure, when bolt fastens, frictional force caused by pad
Whard to control, when Precision Machinery Elements fasten, the moment of torsion being applied on bolt has the high precise requirements of comparison, current pad
Required high accuracy can not be met.
The content of the invention
Technical problem to be solved in the utility model is：A kind of accurate torque pad is provided, it solves current
Frictional force is difficult to control caused by pad, the problem of leading to not accurately control the torsional forces size of fastening bolt.
Technical problem to be solved in the utility model takes following technical scheme to realize：
A kind of accurate torque pad, it includes shim body, rotary sleeve, straight pin, holding screw；
The shim body center is provided with stepped hole, and stepped hole top aperture is more than bottom aperture, cut on stepped hole top
Line direction offers two relative pin shaft holes, and shim body inwardly offers two screws from side on the same axis
The middle part insertion of hole, screw hole and pin shaft hole；
The rotary sleeve center is provided with through hole, and the aperture of through hole is identical with stepped hole bottom aperture, the outer middle side part of rotary sleeve
Provided with a circle locating slot, rotary sleeve is placed in stepped hole upper cavity just, and rotary sleeve is higher by shim body, locating slot face
Pin shaft hole；
Side is provided with groove in the middle part of the straight pin, straight pin is inserted in pin shaft hole, two straight pins clamp rotary sleeve
Locating slot, rotary sleeve is movably fixed in shim body, holding screw is screwed in screw hole, holding screw end
It is tightly abutted against in the groove of straight pin, straight pin is fixed.
As preferred embodiment, the shim body is hexagon pad.
As preferred embodiment, straight knurling, increase friction are provided with the top of the shim body bottom, rotary sleeve.
As preferred embodiment, the shim body is smooth with rotary sleeve contact surface and scribbles lubricant, reduces friction.
The beneficial effects of the utility model are：By setting straight knurling at the top of shim body bottom, rotary sleeve, increase
Frictional force between bolt and rotary sleeve, between shim body and machine components, shim body and rotary sleeve contact surface are smooth simultaneously
Scribble lubricant, reduce the frictional force between shim body and rotary sleeve contact surface, during fastening, be applied to moment of torsion on bolt by
Influence to frictional force is very small, can be controlled very precisely pretightning force size；Rotary sleeve is clamped using bilateral straight pin
Mode, rotary sleeve is movably fixed in shim body；Straight pin is laterallyd secure using holding screw, prevents from coming off；Pad sheet
Body is hexagon pad, convenient dismounting.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side sectional view of the present utility model.
In figure：Shim body 1, stepped hole 11, pin shaft hole 12, screw hole 13, rotary sleeve 2, through hole 21, locating slot
22, straight pin 3, groove 31, holding screw 4.
Embodiment
In order to be easy to understand to technological means of the present utility model, creation characteristic, reached purpose and effect, tie below
Conjunction is specifically illustrating, and the utility model is expanded on further.
As Figure 1-Figure 2, a kind of accurate torque pad, it includes shim body 1, rotary sleeve 2, straight pin 3, clamp screw
Nail 4；
The center of shim body 1 is provided with stepped hole 11, and the top aperture of stepped hole 11 is more than bottom aperture, on the top of stepped hole 11
Tangential direction offers two relative pin shaft holes 12, and shim body 1 inwardly offers two tightly from side on the same axis
Determine screw hole 13, screw hole 13 and the middle part of pin shaft hole 12 penetrate；
The center of rotary sleeve 2 is provided with through hole 21, and the aperture of through hole 21 is identical with the bottom aperture of stepped hole 11, the outside of rotary sleeve 2
Middle part is provided with a circle locating slot 22, and rotary sleeve 2 is placed in the upper cavity of stepped hole 11 just, and rotary sleeve 2 is higher by shim body
1, the face pin shaft hole 12 of locating slot 22；
The middle part side of straight pin 3 is provided with groove 31, and straight pin 3 is inserted in pin shaft hole 12, and two straight pins 3 clamp rotation
The locating slot 22 of set 2, rotary sleeve 2 is movably fixed in shim body 1, holding screw 4 is screwed in screw hole 13, tightly
Determine the end of screw 4 to be tightly abutted against in the groove 31 of straight pin 3, straight pin 3 is fixed.
Shim body 1 is hexagon pad.
The bottom of shim body 1, the top of rotary sleeve 2 are provided with straight knurling, increase friction.
Shim body 1 is smooth with the contact surface of rotary sleeve 2 and scribbles lubricant, reduces friction.
By setting straight knurling at the bottom of shim body 1, the top of rotary sleeve 2, increase between bolt and rotary sleeve 2, pad
Frictional force between piece body 1 and machine components, shim body 1 is smooth with the contact surface of rotary sleeve 2 and scribbles lubricant, reduces pad
Frictional force between piece body 1 and the contact surface of rotary sleeve 2, during fastening, the moment of torsion being applied on bolt is influenceed by frictional force
It is very small, pretightning force size can be controlled very precisely；The mode of rotary sleeve 2 is clamped using bilateral straight pin 3, by rotary sleeve
2 are movably fixed in shim body 1；Straight pin 3 is laterallyd secure using holding screw 4, prevents from coming off；Shim body 1 is hexagonal
Shape pad, convenient dismounting.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, do not depart from the utility model spirit and
On the premise of scope, the utility model also has various changes and modifications, and these changes and improvements both fall within the utility model will
In the range of asking protection.The utility model requires protection scope is by appended claims and its equivalent thereof.
Claims (4)
- A kind of 1. accurate torque pad, it is characterised in that：It includes shim body, rotary sleeve, straight pin, holding screw；The shim body center is provided with stepped hole, and stepped hole top aperture is more than bottom aperture, in stepped hole top tangent line side To two relative pin shaft holes are offered, shim body inwardly offers two screw holes from side on the same axis, Screw hole and the middle part of pin shaft hole penetrate；The rotary sleeve center is provided with through hole, and the aperture of through hole is identical with stepped hole bottom aperture, and the outer middle side part of rotary sleeve is provided with One circle locating slot, rotary sleeve are placed in stepped hole upper cavity just, and rotary sleeve is higher by shim body, locating slot face bearing pin Hole；Side is provided with groove in the middle part of the straight pin, straight pin is inserted in pin shaft hole, two straight pins clamp determining for rotary sleeve Position groove, rotary sleeve is movably fixed in shim body, holding screw is screwed in screw hole, holding screw end is tightly It is resisted against in the groove of straight pin, straight pin is fixed.
- A kind of 2. accurate torque pad according to claim 1, it is characterised in that：The shim body is hexagon pad.
- A kind of 3. accurate torque pad according to claim 1, it is characterised in that：The shim body bottom, rotary sleeve top Portion is provided with straight knurling, increase friction.
- A kind of 4. accurate torque pad according to claim 1, it is characterised in that：The shim body and rotary sleeve contact surface It is smooth and scribble lubricant, reduce friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446539.9U CN206785845U (en) | 2017-04-26 | 2017-04-26 | A kind of accurate torque pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446539.9U CN206785845U (en) | 2017-04-26 | 2017-04-26 | A kind of accurate torque pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785845U true CN206785845U (en) | 2017-12-22 |
Family
ID=60707717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720446539.9U Active CN206785845U (en) | 2017-04-26 | 2017-04-26 | A kind of accurate torque pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884850A (en) * | 2017-04-26 | 2017-06-23 | 上海舜诺机械有限公司 | A kind of accurate torque pad |
| CN114857152A (en) * | 2022-04-28 | 2022-08-05 | 合肥屹坤精工科技有限公司 | Nut structure for precise fastener of server equipment |
-
2017
- 2017-04-26 CN CN201720446539.9U patent/CN206785845U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884850A (en) * | 2017-04-26 | 2017-06-23 | 上海舜诺机械有限公司 | A kind of accurate torque pad |
| CN114857152A (en) * | 2022-04-28 | 2022-08-05 | 合肥屹坤精工科技有限公司 | Nut structure for precise fastener of server equipment |
| CN114857152B (en) * | 2022-04-28 | 2024-04-02 | 合肥屹坤精工科技有限公司 | Be used for accurate fastener nut structure of server equipment |
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| GR01 | Patent grant |