CN202010876U - Fastening device for shaft sleeve - Google Patents
Fastening device for shaft sleeve Download PDFInfo
- Publication number
- CN202010876U CN202010876U CN2011200336349U CN201120033634U CN202010876U CN 202010876 U CN202010876 U CN 202010876U CN 2011200336349 U CN2011200336349 U CN 2011200336349U CN 201120033634 U CN201120033634 U CN 201120033634U CN 202010876 U CN202010876 U CN 202010876U
- Authority
- CN
- China
- Prior art keywords
- trimming cutter
- axle sleeve
- tightening device
- piston rod
- shaft sleeve
- 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
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Abstract
The utility model provides a fastening device for a shaft sleeve. The fastening device comprises a support part (30), at least two edge punching knives (40), and a driving mechanism; a first end of the support part is a fixing end, and a second end of the support part is provided with an operating board (31) for the mounting of the shaft sleeve; the edge punching knives are hinged with the operating board (31), and first ends of the edge punching knives are provided with clamping forceps (41) for clamping the shaft sleeve; and the driving mechanism is connected with the edge punching knives (40) in a driving manner, so that the clamping forceps (41) of the edge punching knives (40) have first positions for clamping the shaft sleeve and second positions for releasing the shaft sleeve. The fastening device provided by the utility model solves the problem in the prior art that the shaft sleeve is hard to fix, and has the advantages of simple structure and convenience in operation.
Description
Technical field
The utility model relates to medical instruments field, in particular to a kind of tightening device of axle sleeve.
Background technology
At present, the gas end structure of medical instruments field comprises: the needle roller groove of offering on the terminal sleeve wall is arranged on the interior needle roller of needle roller groove, is enclosed within the outer parts such as packing ring of sleeve, and is set in the outer axle sleeve of these parts.The effect of axle sleeve is to prevent that inner body from dropping out, need be with axle sleeve and sleeve fastening, but still do not have the tightening device of corresponding axle sleeve to be used for the fixing of axle sleeve at present.
The utility model content
The utility model aims to provide a kind of tightening device of axle sleeve, thereby can't fix the problem that can't protect inner body to solve the prior art bottom bracket axle.
To achieve these goals, the utility model provides a kind of tightening device of axle sleeve, comprising: support member, first end are stiff end, and second end has the operating desk that is used to install axle sleeve; At least two trimming cuttves, each trimming cutter is all hinged with operating desk, and first end of each trimming cutter has the gripper clamp that is used for the clamping axle sleeve; Driving mechanism is connected with the driving of trimming cutter, makes the gripper clamp of trimming cutter have primary importance that clamps axle sleeve and the second place of unclamping axle sleeve.
Further, driving mechanism comprises: cylinder, have piston rod, and the outer end of piston rod compresses with second end of each trimming cutter and contacts.
Further, driving mechanism comprises: cylinder has piston rod; Connector is connected with piston rod, comprises two rollers on the connector, and roller compresses with second end of each trimming cutter and contacts.
Further, the trimming cutter is two, and this tightening device also comprises: back-moving spring; The two ends of this back-moving spring are connected with the trimming cutter respectively.
Further, each trimming cutter second end inboard has ramp structure.
Further, first end of each trimming cutter has recess, forms gripper clamp.
Further, the centre of surface place of the installation axle sleeve of operating desk has limited impression.
Further, first end of support member is connected with the cylinder body of cylinder.
The tightening device of axle sleeve of the present utility model; the axle sleeve that needs fastening is placed on the operating desk of support member second end; this tightening device comprises that also trimming cutter and operating desk are hinged, can move pivotally around pin joint along circumferential equally distributed trimming cutter; utilize drive mechanism trimming cutter; make the gripper clamp of trimming cutter inwardly clamp axle sleeve, at this moment, axle sleeve produces slight deformation; can fixed hub, thus reach the effect of protection inner body.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the front view according to the tightening device of axle sleeve of the present utility model; And
Fig. 2 has schematically shown the side view according to the tightening device of axle sleeve of the present utility model.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 shows the preferred embodiment of the tightening device of axle sleeve of the present utility model, Fig. 2 has schematically shown the side view of this tightening device, from Fig. 1 and Fig. 2 as can be seen, the tightening device of the axle sleeve in the present embodiment comprises: support member 30, first end is a stiff end, in the present embodiment, first end of support member 30 is connected with the cylinder body of cylinder 10, and second end has the operating desk 31 that is used to install axle sleeve; At least two trimming cuttves 40, each trimming cutter 40 is all hinged with operating desk 31, and first end of each trimming cutter 40 has the gripper clamp 41 that is used for the clamping axle sleeve; Driving mechanism is connected with 40 drivings of trimming cutter, makes the gripper clamp 41 of trimming cutter 40 have primary importance that clamps axle sleeve and the second place of unclamping axle sleeve.
When the axle sleeve buckling procedure; the axle sleeve 100 that needs fastening is placed on the operating desk 31 of support member 30 second ends; this tightening device includes along circumferential equally distributed trimming cutter 40; trimming cutter 40 and operating desk 31 are hinged; can move pivotally around pin joint, utilize drive mechanism trimming cutter 40, make the gripper clamp 41 of trimming cutter 40 inwardly clamp axle sleeve 100; with fixed hub 100, thereby reach the effect of protecting inner body.
The embodiment of driving mechanism has multiple, in a kind of therein not shown embodiment, driving mechanism comprises: cylinder 10, has piston rod 11, piston rod 11 longitudinally stretches out or withdraws, the outer end of piston rod 11 compresses second end of each trimming cutter 40 when piston rod 11 stretches out, second end of trimming cutter 40 is outwards moved, at this moment, trimming cutter 40 is around the pin joint pivoting action of trimming cutter 40 with operating desk 31, make the gripper clamp 41 of trimming cutter 40 inwardly clamp axle sleeve 100, thereby make axle sleeve 100 fixing.The cross section of the outer end structure of piston rod 11 is preferably triangle or trapezoidal, so more helps piston rod 11 and trimming cutter 40 second ends to compress effect.In addition, as shown in Figure 2, the support member 30 that is used for support operation platform 31 is two, only shows the support member 30 that one of them is positioned at trimming cutter 40 rear sides among Fig. 1.
Perhaps, as shown in Figure 1, as can be seen from the figure: driving mechanism comprises: cylinder 10 has piston rod 11; Connector 20 is connected with piston rod 11, comprises two rollers 21 on the connector 20, and certainly, roller 21 also can be a plurality of, and roller 21 compresses with second end of each trimming cutter 40 and contacts.The driving mechanism of present embodiment compares with first kind of embodiment, and difference has been to increase connector 20 and has been arranged on two rollers 21 on the connector 20, compresses second end of each trimming cutter 40 by roller 21, and second end of trimming cutter 40 is outwards moved.Roller 21 the running resistance that can reduce cylinder piston rod 11 is set so that the driving process is more smooth and easy.
Preferably, each trimming cutter 40 second end inboard has ramp structure 42.This structure is convenient to driving mechanism trimming cutter 40 second ends is compressed the application of force, and can reduce the consumptive material of trimming cutter, saves material.
Preferably, as shown in Figure 1, trimming cutter 40 is two in the present embodiment, and this tightening device also comprises: back-moving spring 50; The two ends of this back-moving spring 50 are connected with trimming cutter 40 respectively.After axle sleeve 100 is clamped by the gripper clamp 41 of trimming cutter 40, piston rod 11 withdrawals, trimming cutter 40 is opened with certain angle under the effect of back-moving spring 50, is convenient to removing of axle sleeve 100, so that next axle sleeve 100 is clamped operation.
Preferably, first end of each trimming cutter 40 has recess 43, forms gripper clamp 41, and simultaneously in the process that trimming cutter 40 moves inward, this recess 43 is convenient to and the cooperating of operating desk 31, and when gripper clamp 41 clamped axle sleeves 100, this recess 43 can hold operating desk 31.Preferably, the centre of surface place of the installation axle sleeve of operating desk 31 has limited impression.When using tightening device, can directly put into this limited impression to axle sleeve 100, the time has been saved in convenient like this location, has improved efficient.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. the tightening device of an axle sleeve is characterized in that, comprising:
Support member (30), first end are stiff end, and second end has the operating desk (31) that is used to install described axle sleeve;
At least two trimming cuttves (40), each described trimming cutter (40) is all hinged with described operating desk (31), and first end of each described trimming cutter (40) has the gripper clamp (41) that is used for the described axle sleeve of clamping;
Driving mechanism is connected with described trimming cutter (40) driving, makes the gripper clamp (41) of described trimming cutter (40) have primary importance that clamps described axle sleeve and the second place of unclamping described axle sleeve.
2. tightening device according to claim 1 is characterized in that, described driving mechanism comprises:
Cylinder (10) has piston rod (11), and the outer end of described piston rod (11) compresses with second end of each described trimming cutter (40) and contacts.
3. tightening device according to claim 1 is characterized in that, described driving mechanism comprises:
Cylinder (10) has piston rod (11);
Connector (20) is connected with described piston rod (11), comprises two rollers (21) on the described connector (20), and described roller (21) compresses with second end of each described trimming cutter (40) and contacts.
4. according to each described tightening device in the claim 1 to 3, it is characterized in that described trimming cutter (40) is two, this tightening device also comprises: back-moving spring (50); The two ends of this back-moving spring (50) are connected with described trimming cutter (40) respectively.
5. tightening device according to claim 4 is characterized in that, each described trimming cutter (40) second end inboard has ramp structure (42).
6. tightening device according to claim 1 is characterized in that, first end of each described trimming cutter (40) has recess (43), forms described gripper clamp (41).
7. tightening device according to claim 1 is characterized in that, the centre of surface place of the described axle sleeve of installation of described operating desk (31) has limited impression.
8. tightening device according to claim 5 is characterized in that, first end of described support member (30) is connected with the cylinder body of described cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200336349U CN202010876U (en) | 2011-01-30 | 2011-01-30 | Fastening device for shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200336349U CN202010876U (en) | 2011-01-30 | 2011-01-30 | Fastening device for shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202010876U true CN202010876U (en) | 2011-10-19 |
Family
ID=44781481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200336349U Expired - Fee Related CN202010876U (en) | 2011-01-30 | 2011-01-30 | Fastening device for shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202010876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831620A (en) * | 2012-11-23 | 2014-06-04 | 上汽通用五菱汽车股份有限公司 | Device for tightening fasteners, tightening assembly and sleeve connecting tool |
| CN107553398A (en) * | 2016-07-01 | 2018-01-09 | 哈尔滨飞机工业集团有限责任公司 | A kind of elastic spring is bumped into pincers |
-
2011
- 2011-01-30 CN CN2011200336349U patent/CN202010876U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831620A (en) * | 2012-11-23 | 2014-06-04 | 上汽通用五菱汽车股份有限公司 | Device for tightening fasteners, tightening assembly and sleeve connecting tool |
| CN103831620B (en) * | 2012-11-23 | 2016-09-14 | 上汽通用五菱汽车股份有限公司 | A kind of device for tightening fastener parts, tighten assembly and sleeve connection frock |
| CN107553398A (en) * | 2016-07-01 | 2018-01-09 | 哈尔滨飞机工业集团有限责任公司 | A kind of elastic spring is bumped into pincers |
| CN107553398B (en) * | 2016-07-01 | 2019-05-14 | 哈尔滨飞机工业集团有限责任公司 | A kind of elastic spring is bumped into pincers |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20170130 |