CN201872111U - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN201872111U CN201872111U CN2010206137414U CN201020613741U CN201872111U CN 201872111 U CN201872111 U CN 201872111U CN 2010206137414 U CN2010206137414 U CN 2010206137414U CN 201020613741 U CN201020613741 U CN 201020613741U CN 201872111 U CN201872111 U CN 201872111U
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- CN
- China
- Prior art keywords
- supporting rods
- clamping device
- retaining part
- rubber ring
- workpiece
- 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 discloses a clamping device, comprising two clamping rods and a connecting piece. The upper part of each clamping rod is a handheld part (2), the lower part of each clamping rod is a clamping part (3), the matched shape of the two clamping parts (3) is suitable to being inserted into a deep hole of a workpiece, the working surface of each clamping part (2) is a cylindrical outer surface of the corresponding clamping rod, and the cylindrical outer surface is suitable to matching with the inner surface of the deep hole; and the connecting piece is arranged between the handheld parts (2) and the clamping parts (3) and is in rotational connection with the two clamping rods so that the clamping parts (3) can clamp the workpiece. The clamping device provided by the utility model can be used for placing a shaft sleeve and other workpieces into a mounting hole conveniently and successfully and can rotate to regulate the positions of the workpiece.
Description
Technical field
The utility model relates to the mechanical device technical field, particularly a kind of clamping device.
Background technology
In pumps such as molecular pump, mechanical pump, be connected with main shaft for the ease of rotor, reduce difficulty of processing, to be tie with the axle sleeve usually, rotor is connected, to form a rotation composite monolithic with main shaft by axle sleeve.Its bindiny mechanism is, forms the axle sleeve installing hole that extends along rotor axial in the inside of rotor, forms along the axially extended spindle mounting hole of axle sleeve in the inside of axle sleeve, and rotor, axle sleeve and main shaft suit successively form the rotation composite monolithic at last.
Because the external diameter of axle sleeve and the internal diameter fit clearance of axle sleeve installing hole are smaller, when axle sleeve is installed, axle sleeve must be put into the axle sleeve installing hole by first from top to down vertically, rotary axle box aligns fixing threaded hole and rotor Upper shaft sleeve installing hole screwed hole on every side on the axle sleeve then, hold-down screw can successfully enter fixing threaded hole and screwed hole is tightened then like this, thereby with axle sleeve and rotor overall fixed together.But because the axle sleeve installing hole all is arranged on the darker position of internal rotor, and the pilot hole internal diameter of rotor is also smaller, so staff is difficult to enter when axle sleeve is installed, is not easy to very much the directly hand-held axle sleeve of installing.
Therefore, must utilize clamping device that axle sleeve is installed, but common clamping device of the prior art can not be directly used in deep hole axle sleeve is installed, and as disclosing a kind of plastic grip among the Chinese patent literature CN88211436U, is used to clamp object.The working face of this clip is the inner surface of retaining part on the supporting rod, this inner surface must cooperate with the outer surface of axle sleeve could be stable the axle sleeve of clamping, but it is same because the axle sleeve installing hole is arranged on the darker position of internal rotor, and the pilot hole internal diameter of rotor is smaller, utilizes this clamping device still to be not easy to install axle sleeve.Strut its retained part if overcome the elastic force of above-mentioned clamping device, make retained part go deep into spindle mounting hole and come the clamping axle sleeve, the outer surface of its retained part can occur owing to can not cooperate with the inner surface of spindle mounting hole, and be difficult to insert wherein problem, and in this process, must overcome elastic force always, can cause the clamping instability, can not guarantee axle sleeve vertically from top to down put into the axle sleeve installing hole, and because clamping instability, rotary axle box neatly.
The utility model content
For this reason, technical problem to be solved in the utility model is in the prior art because the axle sleeve installing hole is arranged on the darker position of internal rotor, and the pilot hole internal diameter of rotor is also smaller, so when axle sleeve is installed, utilize typical clamp to be not easy to the technical problem that deep hole is installed axle sleeve, and a kind of clamping device of being convenient to place with rotary axle box be provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of clamping device comprises
Two supporting rods, the top of described supporting rod is handgrip part, and the bottom is a retaining part, and the shape that two described retaining parts cooperatively interact is suitable for inserting the deep hole of workpiece, the working face of described retaining part is its cylindrical outer surface, and described cylindrical outer surface is suitable for cooperating with the inner surface of described deep hole;
Connector is arranged between described handgrip part and the described retaining part, and the two described supporting rods that are rotationally connected, so that described retaining part can clamp described workpiece.
In the above-mentioned clamping device, the inboard of the described handgrip part of two described supporting rods forms the space; Described connector comprises the connection rubber ring, so that two described supporting rods are when rotating, the described handgrip part of two described supporting rods is close relatively, and the described retaining part of two described supporting rods relatively away from.
In the above-mentioned clamping device, described connector also comprises the semi-circular groove of the described cylindrical outer surface that is molded over two described supporting rods, after two described supporting rod assemblings, two described semi-circular groove form toroidal cavity, and described connection rubber ring is suitable for being embedded in the described toroidal cavity.
In the above-mentioned clamping device, described connector also comprises the rubber ring that resets, the described rubber ring that resets is arranged on the described retaining part of described connection rubber ring below, and is suitable for being embedded in another described toroidal cavity, so that the described retaining part of two described supporting rods is close relatively.
In the above-mentioned clamping device, the described cylindrical outer surface of two described supporting rods is the face of cylinder that adapts with described inner walls of deep holes shape.In the above-mentioned clamping device, the length of described supporting rod is greater than the degree of depth of the pilot hole of assembling workpiece.Technique scheme of the present utility model has the following advantages compared to existing technology:
1. the clamping device that provides of the utility model, comprise two supporting rods and connector, the shape that the retaining part of supporting rod cooperatively interacts is suitable for inserting the deep hole of workpiece, the working face of retaining part is its cylindrical outer surface, above-mentioned cylindrical outer surface is suitable for cooperating with the inner surface of deep hole, connector two supporting rods that are rotationally connected, so that retaining part can clamp workpiece, said structure can insert the workpiece deep hole, not limited by the position of deep hole and the pore size of the pilot hole of assembling workpiece, can easily the workpiece from top to down steadily be placed in the workpiece installing hole of assembling workpiece, and turning of work piece is adjusted its position neatly;
2. the clamping device that provides of the utility model, the inboard of the handgrip part of two supporting rods forms the space, connector comprises the connection rubber ring, so that two supporting rods are when rotating, the handgrip part of two supporting rods is close relatively, and retaining part relatively away from, the said structure advantages of simple, be convenient to operation, can easily workpiece be installed in the workpiece installing hole of assembling workpiece, and turning of work piece adjusted its position neatly;
3. the clamping device that provides of the utility model, connector also comprises the semi-circular groove that is molded over two supporting rod cylindrical outer surface, after two supporting rod assemblings, two semi-circular groove form toroidal cavity, connecting rubber ring is suitable for being embedded in the toroidal cavity, make the Stability Analysis of Structures of clamping device, assurance clamping and rotation are carried out smoothly, have guaranteed the reliability of clamping;
4. the clamping device that provides of the utility model, connector also comprises the rubber ring that resets, the rubber ring that resets is arranged on the retaining part that connects the rubber ring below, and be suitable for being embedded in another toroidal cavity, make the retaining part of two supporting rods close relatively, the rubber ring that resets provides restoring force for retaining part, and when clamping device is worked, the rubber ring that resets can not produce very big obstruction away from motion to retaining part relatively yet, and can make that the structure of clamping device is more reliable and more stable;
5. the clamping device that provides of the utility model, the face of cylinder of the cylindrical outer surface of two supporting rods for adapting with the inner walls of deep holes shape can make retaining part and deep hole closely cooperate, and guarantees that clamping is stable, guarantees that operation is smooth;
6. the clamping device that provides of the utility model, the length of supporting rod be greater than the degree of depth of the pilot hole of assembling workpiece, helps the people more and hold handgrip part and carry out clamping and rotating operation.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the schematic perspective view of the utility model clamping device (omit and connect the rubber ring and the rubber ring that resets);
Fig. 2 is the original state schematic diagram of the utility model clamping device;
Fig. 3 is the working state schematic representation of the utility model clamping device;
Fig. 4 is the partial schematic diagram one that adopts molecular pump rotor, axle sleeve and the main shaft of the utility model clamping device;
Fig. 5 is the partial schematic diagram two that adopts molecular pump rotor, axle sleeve and the main shaft of the utility model clamping device.
Reference numeral is expressed as among the figure: the 1-rubber ring that resets, and the 2-handgrip part, the 3-retaining part, the 4-space, 5-connects rubber ring, 6-groove, 7-rotor, 8-pilot hole, 9-axle sleeve, 10-screwed hole, 11-fixing threaded hole.
The specific embodiment
As Figure 1-3, be the schematic diagram of the preferred clamping device of the utility model,
Described clamping device comprises two supporting rods and connector.
The top of described supporting rod is handgrip part 2, and the bottom is a retaining part 3; The inboard of the described handgrip part 2 of two described supporting rods forms space 4; The shape that two described retaining parts 3 cooperatively interact is suitable for inserting the deep hole of workpiece, and the working face of described retaining part 3 is its cylindrical outer surface, and described cylindrical outer surface is suitable for cooperating with the inner surface of described deep hole; In the present embodiment, the described cylindrical outer surface of two described supporting rods is the face of cylinder that adapts with described inner walls of deep holes shape.In the present embodiment, the length of described supporting rod is greater than the degree of depth of the pilot hole 8 of assembling workpiece.
Described connector is arranged between described handgrip part 2 and the described retaining part 3, and the two described supporting rods that are rotationally connected, so that described retaining part 3 can clamp described workpiece.Described connector comprises the semi-circular groove and the rubber ring 1 that resets that connects rubber ring 5, is molded over the described cylindrical outer surface of two described supporting rods.After two described supporting rod assemblings, two described semi-circular groove form toroidal cavity 6, described connection rubber ring 5 is suitable for being embedded in the described toroidal cavity 6, so that two described supporting rods are when rotating, the described handgrip part 2 of two described supporting rods is close relatively, and the described retaining part 3 of two described supporting rods relatively away from.The described rubber ring 1 that resets is arranged at the described retaining part 3 of described connection rubber ring 5 belows, and is suitable for being embedded in another described toroidal cavity 6, makes the described retaining part 3 of two described supporting rods close relatively.
Be example below with the molecular pump, utilize described clamping device that the utility model provides that the axle sleeve 9 of molecular pump is installed in the axle sleeve installing hole of rotor 7, so, described in the present embodiment assembling workpiece is described rotor 7, described workpiece is described axle sleeve 9, and described deep hole is the spindle mounting hole of described axle sleeve 9.Shown in Fig. 4-5, details are as follows for the concrete course of work:
1, holds the described handgrip part 2 of described clamping device, keep the described retaining part 3 of two described supporting rods to be in closure state, described retaining part 3 is inserted in the described spindle mounting hole;
2, clutch described handgrip part 2 with hand, under the effect of described connection rubber ring 5, the described retaining part 3 of two described supporting rods relatively away from, be described retaining part 3 opened with certain angle, make the described cylindrical outer surface of described retaining part 3 closely contact generation frictional force with the inwall of described spindle mounting hole, just can utilize described clamping device with described axle sleeve 9 clampings this moment;
3, hold described handgrip part 2, with described axle sleeve 9 vertically from top to down put into described axle sleeve installing hole;
4, hold described handgrip part 2, rotate described clamping device the fixing threaded hole 11 of described axle sleeve 9 is aimed at the screwed hole 10 of described rotor 7;
5, unclamp described handgrip part 2, under the effect of the described rubber ring 1 that resets, described retaining part 3 is close relatively, be described retaining part 3 closures, described cylindrical outer surface no longer contacts with the inwall disengaging of described spindle mounting hole, just can take out described clamping device and regain this moment from described spindle mounting hole, finished to this and placed and rotate described axle sleeve 9;
6, afterwards, only need hold-down screw is screwed in described fixing threaded hole 11 and described screwed hole 10, tighten then, thereby described axle sleeve 9 is fixed together with described rotor 7.
In another embodiment of the present utility model, the described connector of described clamping device is the heart-shaped formula of movable axis, when two described supporting rods are rotated, the described handgrip part 2 of two described supporting rods relatively away from, simultaneously the described retaining part 3 of two described supporting rods also relatively away from, described retaining part 3 opens with the described inner walls of deep holes of described workpiece and cooperates, thereby clamps described workpiece.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (6)
1. a clamping device is characterized in that: comprise
Two supporting rods, the top of described supporting rod is handgrip part (2), the bottom is retaining part (3), the shape that two described retaining parts (3) cooperatively interact is suitable for inserting the deep hole of workpiece, the working face of described retaining part (3) is its cylindrical outer surface, and described cylindrical outer surface is suitable for cooperating with the inner surface of described deep hole;
Connector is arranged between described handgrip part (2) and the described retaining part (3), and the two described supporting rods that are rotationally connected, so that described retaining part (3) can clamp described workpiece.
2. clamping device according to claim 1 is characterized in that: the inboard of the described handgrip part (2) of two described supporting rods forms space (4); Described connector comprises and connects rubber ring (5), so that two described supporting rods are when rotating, the described handgrip part (2) of two described supporting rods is close relatively, and the described retaining part (3) of two described supporting rods relatively away from.
3. clamping device according to claim 2, it is characterized in that: described connector also comprises the semi-circular groove of the described cylindrical outer surface that is molded over two described supporting rods, after two described supporting rod assemblings, two described semi-circular groove form toroidal cavity (6), and described connection rubber ring (5) is suitable for being embedded in the described toroidal cavity (6).
4. clamping device according to claim 3, it is characterized in that: described connector also comprises the rubber ring that resets (1), the described rubber ring that resets (1) is arranged on the described retaining part (3) of described connection rubber ring (5) below, and be suitable for being embedded in another described toroidal cavity (6), so that the described retaining part (3) of two described supporting rods is close relatively.
5. clamping device according to claim 4 is characterized in that: the described cylindrical outer surface of two described supporting rods is the face of cylinder that adapts with described inner walls of deep holes shape.
6. according to the arbitrary described clamping device of claim 1-5, it is characterized in that: the length of described supporting rod is greater than the degree of depth of the pilot hole (8) of assembling workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206137414U CN201872111U (en) | 2010-11-18 | 2010-11-18 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206137414U CN201872111U (en) | 2010-11-18 | 2010-11-18 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201872111U true CN201872111U (en) | 2011-06-22 |
Family
ID=44160045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206137414U Expired - Fee Related CN201872111U (en) | 2010-11-18 | 2010-11-18 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201872111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538853A (en) * | 2011-12-27 | 2012-07-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Clamping structure |
-
2010
- 2010-11-18 CN CN2010206137414U patent/CN201872111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538853A (en) * | 2011-12-27 | 2012-07-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Clamping structure |
| CN102538853B (en) * | 2011-12-27 | 2014-12-24 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Clamping structure |
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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 |
Granted publication date: 20110622 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |