CN204748487U - Manual pressure equipment mechanism - Google Patents
Manual pressure equipment mechanism Download PDFInfo
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- CN204748487U CN204748487U CN201520362839.XU CN201520362839U CN204748487U CN 204748487 U CN204748487 U CN 204748487U CN 201520362839 U CN201520362839 U CN 201520362839U CN 204748487 U CN204748487 U CN 204748487U
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- hole
- floor
- cylinder
- positioning sleeve
- spring
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- 238000005096 rolling process Methods 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
The utility model relates to a manual pressure equipment mechanism, the length that mainly provides a power arm and resistance arm compares and is not less than 30: 1, power arm length is not more than 400mm's manual pressure equipment mechanism simultaneously. The compact structure of this pressure equipment mechanism, convenient operation is comfortable, and the practicality is fairly good, accords with conventional use completely. For realizing the utility model discloses purpose and the technical scheme that adopts is like this: a manual pressure equipment mechanism, includes base, fixing base, eccentric wheel mechanism and handle combination, eccentric wheel mechanism includes spring, pressure head, end cover, antifriction bearing and position sleeve. (Pbpnum='1' /)
Description
Technical field
The utility model relates to a kind of with eccentric manual press-loading mechanism.
Background technology
At present in disclosed various manual press-loading mechanism, be mostly to adopt lever or cam mechanism, its structure is simple, can effectively reduce power during manual press-loading.But during manual press-loading, when the power that people provides is more than 150N, the comfortableness of people's long-term work can non-constant.This just means that power arm needs do very long, and power arm must be not less than 30:1 with the length ratio of resistance arm, if but power arm length more than 400mm, manual press-loading mechanism need do very large, also can affect the comfortableness of man-hour.
Although these of prior art adopt the manual press-loading mechanism of lever or cam mechanism, meet Production requirement to a certain extent.But it is comparatively large also to there is structure, the defects such as the comfortableness of operation is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of compact conformation, it is comfortable to operate, and the length of its power arm and resistance arm is than being not less than 30:1 and power arm length is no more than the manual press-loading structure of 400mm.
The technical scheme adopted for realizing the utility model object is such, a kind of manual press-loading mechanism, comprises the combination of base, holder, eccentric mechanism and handle.
Described holder comprises base plate, floor I and floor II.Described base plate center has the stepped hole running through its upper and lower surface.Have in the two end faces near base plate and run through its upper and lower surface screwed hole.Described screwed hole and stepped hole are on the same axis.The upper end of described floor I has through hole VII.The upper end of floor II has through hole VIII.Floor I is the same with the shape size of floor II.The center line of described through hole VII and through hole VIII on the same line.Described floor I and floor II are individually fixed in the upper surface both sides of base plate.Described holder is fastened on base.
Described eccentric mechanism comprises spring, pressure head, end cap, rolling bearing and positioning sleeve.Described pressure head is notch cuttype cylinder.Described pressure head is two diameters cylinder I from large to small and cylinder II from top to bottom.Described spring is straight barrel type Compress Spring.Described spring is applied on cylinder II.Described pressure head is arranged in stepped hole from bottom to up.The upper end of described spring contacts with the bottom surface of cylinder I.The lower end of described spring contacts with the step surface of stepped hole.Described positioning sleeve is cylinder, and one of them end face is with flange.The axis direction of described positioning sleeve has through hole I and through hole II.The distance at the center of described through hole I center and positioning sleeve is designated as a, and namely eccentric throw is a.Described positioning sleeve inserts in the inner ring of rolling bearing.
Described handle combination comprises cylindrical bar and U-shaped fork.Described U-shaped fork comprises two fork pin.Described fork pin I has through hole III and through hole IV.Described fork pin II has through hole V and through hole VI.The center line of described through hole III and through hole V on the same line.The center line of described through hole IV and through hole VI on the same line.Short pin is through through hole IV, end cap, rolling bearing, through hole II and through hole VI.Short pin and through hole IV and through hole VI interference fit.Bolt, through after through hole III, end cap, rolling bearing, through hole I and through hole V, puts elastic washer, then screws on nut.
Further, described positioning sleeve and handle combination freely can be rotated around bolt.
Technique effect of the present utility model is mathematical, in eccentric mechanism, 5mm≤a≤40/3mm as long as eccentric throw a satisfies condition, namely can obtain a kind of power arm and be not less than 30:1 with the length ratio of resistance arm, and power arm length is not more than the manual press-loading mechanism of 400mm simultaneously.The compact conformation of this press-loading device, easy to operate comfortable, practicality is fairly good, meets conventional use completely.
Accompanying drawing explanation
Fig. 1 is the integrated model schematic diagram of press-loading device;
Fig. 2 is the rotation schematic diagram of A-A;
Fig. 3 is the schematic diagram that rolling bearing rotates;
Fig. 4 is press-loading device operation principle schematic diagram;
Fig. 5 is the front view of positioning sleeve;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the front view of holder;
Fig. 8 is the top view of Fig. 7;
Fig. 9 is the left view of Fig. 7;
Figure 10 is the front view of handle combination;
Figure 11 is the top view of Figure 10;
Figure 12 is the schematic diagram of U-shaped fork and cylindrical bar connecting end surface.
In figure: the combination of 1-base, 2-screw, 3-spring, 4-pressure head, 5-handle, 6-bolt, 7-holder, 8-end cap, 9-rolling bearing, 10-positioning sleeve, the short pin of 11-, 12-elastic washer, 13-nut, 14-eccentric mechanism.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, but should not be construed the above-mentioned subject area of the utility model and be only limitted to following embodiment.When not departing from the above-mentioned technological thought of the utility model, according to ordinary skill knowledge and customary means, making various replacement and change, all should be included in protection domain of the present utility model.
A kind of manual press-loading mechanism, comprises base 1, holder 7, eccentric mechanism 14 and handle combination 5.
See Fig. 7 to Fig. 9, described holder 7 comprises base plate 701, floor I 702 and floor II 703.Described base plate 701 center has the stepped hole running through its upper and lower surface.The upper Circularhole diameter of stepped hole is greater than lower Circularhole diameter.Have in the two end faces near base plate 701 and run through its upper and lower surface screwed hole.Described screwed hole and stepped hole are on the same axis.The upper end of described floor I 702 has through hole VII 7021.The upper end of floor II 703 has through hole VIII 7031.Floor I 702 is the same with the shape size of floor II 703.The center line of described through hole VII 7021 and through hole VIII 7031 on the same line.Described floor I 702 and floor II 703 are individually fixed in the upper surface both sides of base plate.
Screw 2 is screwed in the screwed hole of base plate 701, holder 7 is fastened on base 1.
Described eccentric mechanism 14 comprises spring 3, pressure head 4, end cap 8, rolling bearing 9 and positioning sleeve 10.Described pressure head 4 is notch cuttype cylinder.Described pressure head 4 is two diameters cylinder I from large to small and cylinder II from top to bottom.Described spring 3 is straight barrel type Compress Spring.Described spring 3 is applied on cylinder II.Described pressure head 4 is arranged in stepped hole from bottom to up.The upper end of described spring 3 contacts with the bottom surface of cylinder I.The described lower end of spring 3 contacts with the step surface of stepped hole.
The diameter of described cylinder I is less than the diameter of circular hole on stepped hole, is greater than the diameter of circular hole under stepped hole.The diameter of described cylinder II is less than the diameter of circular hole under stepped hole.Described cylinder II stretches out stepped hole one segment distance.
See Fig. 5 and Fig. 6, described positioning sleeve 10 is cylinder, and one of them end face is with flange.The axis direction of described positioning sleeve 10 has through hole I 1001 and through hole II 1002.
Described positioning sleeve 10 inserts in the inner ring of rolling bearing 9.Flange on described positioning sleeve 10 end face and end cap 8 acting in conjunction, restriction rolling bearing 9 moving axially on positioning sleeve 10.Described through hole I is as the center of rotation of rolling bearing 9, and its eccentric distance is a.Described rolling bearing 9 replaces eccentric effect, can avoid sliding friction, alleviates the wearing and tearing of mechanism.
The upper surface of described pressure head 4 contacts with the outer ring of rolling bearing 9, and contact position is forced position.When the upper surface of pressure head 4 is subject to downward active force, namely spring 3 is compressed, and pressure head 4 will move down.The object that need press-fit is placed on putting of pressure head 4 and can realizes press-fiting.
See Figure 10 to Figure 12, described handle combination 5 comprises cylindrical bar 501 and U-shaped fork 502.Described U-shaped fork 502 comprises two fork pin.Described fork pin I has through hole III 5021 and through hole IV 5022.Described fork pin II has through hole V 5023 and through hole VI 5024.The center line of described through hole III 5021 and through hole V 5023 on the same line.The center line of described through hole IV 5022 and through hole VI 5024 on the same line.
Short pin 11 is through through hole IV 5022, end cap 8, rolling bearing 9, through hole II 1002 and through hole VI 5024.Short pin 11 and through hole IV 5022 and through hole VI 5024 interference fit, link together handle combination 5 with the motion of eccentric mechanism 14.Bolt 6, through after through hole III 5021, end cap 8, rolling bearing 9, through hole I 1001 and through hole V 5023, puts elastic washer 12, then screws on nut 13.
See Fig. 3 and Fig. 4, the operation principle of mechanism is such, and circle Q1 is the center of rotation of circle Q2, and the center of circle Q1 maintains static, and circle Q2 is around the central rotation of circle Q1.It is a that circle Q1 and circle Q2 exists eccentric throw, wherein a > 0.When applying power F1 in handle combination 5, the pressure that namely F2 can produce is also resistance.By the known F2=F1*L1/L2 of lever principle, wherein L1 is power arm length, and L2 is resistance arm length, L2=a*cos β.By setting the size of a, just can obtain a kind of power arm and being not less than 30:1 with the length ratio of resistance arm, power arm length is not more than the manual press-loading mechanism of 400mm simultaneously.Concretely, when β=0, L2 is maximum, now L2=a.Owing to requiring L1/L2 >=30:1 and L1≤400, i.e. that is 400 >=L1 > 30*L2=30*a, as long as meet 0 < a≤40/3.Meanwhile, in order to make press-loading device have enough press-mounting strokes, need to make eccentric throw meet 5≤a≤40/3.
In the present embodiment, described positioning sleeve 10 and handle combination 5 freely can be rotated around bolt 6.
Claims (2)
1. a manual press-loading mechanism, is characterized in that: comprise base (1), holder (7), eccentric mechanism (14) and handle combination (5);
Described holder (7) comprises base plate (701), floor I (702) and floor II (703); Described base plate (701) center has the stepped hole running through its upper and lower surface; Have in the two end faces near base plate (701) and run through its upper and lower surface screwed hole; Described screwed hole and stepped hole are on the same axis; The upper end of described floor I (702) has through hole VII (7021); The upper end of floor II (703) has through hole VIII (7031); Floor I (702) is the same with the shape size of floor II (703); The center line of described through hole VII (7021) and through hole VIII (7031) on the same line; Described floor I (702) and floor II (703) are individually fixed in the upper surface both sides of base plate; Described holder (7) is fastened on base (1);
Described eccentric mechanism comprises spring (3), pressure head (4), end cap (8), rolling bearing (9) and positioning sleeve (10); Described pressure head (4) is notch cuttype cylinder; Described pressure head (4) is two diameters cylinder I from large to small and cylinder II from top to bottom; Described spring (3) is straight barrel type Compress Spring; Described spring (3) is applied on cylinder II; Described pressure head (4) is arranged in stepped hole from bottom to up; The upper end of described spring (3) contacts with the bottom surface of cylinder I; The lower end of described spring (3) contacts with the step surface of stepped hole; Described positioning sleeve (10) is cylinder, and one of them end face is with flange; The axis direction of described positioning sleeve (10) has through hole I (1001) and through hole II (1002); Described positioning sleeve (10) inserts in the inner ring of rolling bearing (9);
Described handle combination (5) comprises cylindrical bar (501) and U-shaped fork (502); Described U-shaped fork (502) comprises two fork pin; Described fork pin I has through hole III (5021) and through hole IV (5022); Described fork pin II has through hole V (5023) and through hole VI (5024); The center line of described through hole III (5021) and through hole V (5023) on the same line; The center line of described through hole IV (5022) and through hole VI (5024) on the same line;
Short pin (11) is through through hole IV (5022), end cap (8), rolling bearing (9), through hole II (1002) and through hole VI (5024); Short pin (11) and through hole IV (5022) and through hole VI (5024) interference fit; Bolt (6) is through after through hole III (5021), end cap (8), rolling bearing (9), through hole I (1001) and through hole V (5023), put elastic washer (12), then screw on nut (13).
2. a kind of manual press-loading mechanism according to claim 1, is characterized in that: described positioning sleeve (10) and handle combination (5) freely can rotate around bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362839.XU CN204748487U (en) | 2015-05-29 | 2015-05-29 | Manual pressure equipment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362839.XU CN204748487U (en) | 2015-05-29 | 2015-05-29 | Manual pressure equipment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204748487U true CN204748487U (en) | 2015-11-11 |
Family
ID=54463240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520362839.XU Expired - Fee Related CN204748487U (en) | 2015-05-29 | 2015-05-29 | Manual pressure equipment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204748487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261755A (en) * | 2018-12-06 | 2019-01-25 | 浙江宁松热能锅炉设备有限公司 | A kind of small-caliber steel pipe means for correcting |
-
2015
- 2015-05-29 CN CN201520362839.XU patent/CN204748487U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261755A (en) * | 2018-12-06 | 2019-01-25 | 浙江宁松热能锅炉设备有限公司 | A kind of small-caliber steel pipe means for correcting |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |