CN219444283U - Eccentric hole clamp - Google Patents
Eccentric hole clamp Download PDFInfo
- Publication number
- CN219444283U CN219444283U CN202320358943.6U CN202320358943U CN219444283U CN 219444283 U CN219444283 U CN 219444283U CN 202320358943 U CN202320358943 U CN 202320358943U CN 219444283 U CN219444283 U CN 219444283U
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- CN
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- Prior art keywords
- object placing
- jaw
- claw
- eccentric hole
- base
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Abstract
The utility model discloses an eccentric hole clamp which comprises a four-jaw object placing base, wherein a three-jaw object placing base is arranged at the central position of the surface of the four-jaw object placing base, eccentric hole parts are arranged on the outer surface of one side of the three-jaw object placing base, which is far away from the four-jaw object placing base, equidistant hinging pieces are arranged on the outer walls of the three-jaw object placing base, one end of each hinging piece is rotationally connected with a main clamping jaw, one end of each main clamping jaw, which is far away from each hinging piece, is contacted with the outer wall of the eccentric hole part, three groups of main clamping jaws are arranged, the included angle between every two adjacent main clamping jaws is one hundred twenty degrees, and equidistant object placing grooves are formed in the four-jaw object placing base on the outer side of the three-jaw object placing base. According to the utility model, the specification of the three-jaw object placing seat can be replaced according to the specification of the eccentric hole part, so that the application range of the eccentric hole clamp is improved, the phenomenon of loosening generated in the use process of the three-jaw object placing seat is reduced, and the convenience of the eccentric hole clamp in use is improved.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to an eccentric hole clamp.
Background
The fixture is a device for fixing a machining object in a correct position to receive construction or inspection in a mechanical manufacturing process, and is generally called a fixture, in a broad sense, any process in a process for rapidly, conveniently and safely mounting a workpiece can be called a fixture, and an eccentric hole part is generally arranged in a circular structure, and may be subjected to fixing treatment during production and machining, so that a corresponding eccentric hole fixture is required.
The eccentric hole clamp at present can be better to centre gripping fixed to eccentric hole part, it mainly is provided with puts thing seat and clamping assembly, specifically is to be annular setting up the clamping assembly on putting the thing seat, only need put eccentric hole part on putting the thing seat, can be fixed in putting the thing seat with the centre gripping of eccentric hole part centre gripping by clamping assembly on, in order to reach the purpose of carrying out centre gripping fixed to eccentric hole part, according to above-mentioned, this eccentric hole clamp can carry out centre gripping fixed to eccentric hole part, but is generally inconvenient for according to the specification of eccentric hole part as required adjustment put the specification of thing seat, and then is difficult to carry out centre gripping fixed to the eccentric hole part of different specifications, has certain limitation.
Disclosure of Invention
The utility model aims to provide an eccentric hole clamp, which solves the problems that in the background technology, although the eccentric hole clamp can clamp and fix eccentric hole parts, the specification of a storage seat is generally inconvenient to adjust according to the specification of the eccentric hole parts as required, and further, the eccentric hole parts with different specifications are difficult to clamp and fix, and certain limitation exists.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the eccentric hole clamp comprises a four-claw object placing base, a three-claw object placing base is arranged at the center position of the surface of the four-claw object placing base, eccentric hole parts are arranged on the outer surface of one side of the three-claw object placing base, which is far away from the four-claw object placing base, equidistant hinging pieces are arranged on the outer wall of the three-claw object placing base, one end of each hinging piece is rotationally connected with a main clamping jaw, one end of each main clamping jaw, which is far away from the hinging piece, is contacted with the outer wall of the eccentric hole part, the main clamping jaw is provided with three groups, an included angle between every two adjacent main clamping jaws is one hundred twenty degrees, equidistant object placing grooves are formed in the four-claw object placing base at the outer side of the three-claw object placing base, one end of each object placing groove extends to the outer part of the four-claw object placing base, threaded rods are connected with the inner parts of the object placing grooves in a rotating mode, threaded cylinders are connected to the outer wall of one end of each threaded rod, clamping jaws are arranged on the outer wall of one side of each threaded cylinder, and one end of each clamping jaw is far away from the threaded cylinder and contacted with the outer wall of the three-claw object placing base.
Preferably, the two ends of the four-claw storage base are provided with strip-shaped grooves, one end of each strip-shaped groove extends to the outside of the four-claw storage base, the strip-shaped grooves are symmetrical with respect to the center line of the four-claw storage base, and the strip-shaped grooves are arranged at the two ends of the four-claw storage base so as to carry out arrangement treatment on the limiting rod and the positioning rod.
Preferably, the auxiliary clamping jaw is provided with four groups, the included angle between every two adjacent auxiliary clamping jaws is ninety degrees, and the four groups of auxiliary clamping jaws are arranged at equal intervals, so that the three-jaw object placing seat is firmly installed on the surface of the four-jaw object placing base.
Preferably, one end of the inside of the bar groove is fixed with a limiting rod, one end of the limiting rod extends to the outside of the bar groove, a limiting plate is movably connected to the outer wall of one end of the limiting rod away from the bar groove, and the limiting plate is contacted with the surface of the three-jaw object placing seat through the inner wall of the limiting plate so as to press and limit the three-jaw object placing seat on the surface of the four-jaw object placing base.
Preferably, the inside swing joint of limiting plate of gag lever post below has the lead screw, the one end of lead screw extends to the outside of limiting plate and threaded connection has the nut, the other end of lead screw extends to the outside of limiting plate, is located the outer wall of lead screw through the nut and slides to make the limiting plate be located the outer wall of lead screw and slide to the inboard.
Preferably, one end of the screw rod far away from the nut is fixed with a positioning rod, one end of the positioning rod far away from the screw rod extends to the inside of the strip-shaped groove and is fixedly connected with the inner wall of the four-claw storage base, and two ends of the positioning rod are respectively connected with the inner wall of the four-claw storage base and one end of the screw rod so as to carry out arrangement treatment on the screw rod.
Compared with the prior art, the utility model has the beneficial effects that: the eccentric hole clamp not only can replace the specification of the three-jaw object placing seat according to the specification of the eccentric hole part as required, thereby improving the application range of the eccentric hole clamp, but also reduces the phenomenon of loosening generated in the use process of the three-jaw object placing seat, and improves the convenience of the eccentric hole clamp in use;
(1) Through rotating the threaded rod, limiting the movement amplitude of the auxiliary clamping jaw through the object placing groove, enabling the threaded cylinder to slide on the outer wall of the threaded rod, enabling the threaded cylinder to drive the auxiliary clamping jaw to move synchronously, clamping or loosening the three-jaw object placing seat, and further facilitating the disassembly, assembly and replacement of the three-jaw object placing seat, so that the specification of the three-jaw object placing seat can be replaced according to the specification of the eccentric hole part as required, the eccentric hole part with partial specification is prevented from being difficult to be suitable for the eccentric hole clamp, and the application range of the eccentric hole clamp is improved;
(2) The nut is rotated to enable the outer wall of the screw rod to slide inwards, so that the limiting plate is located on the outer wall of the screw rod and synchronously moves inwards, meanwhile, the limiting plate is located on the outer wall of the limiting rod to slide, so that the phenomenon that the limiting plate rotates is avoided, when the inner wall of the limiting plate contacts with the surface of the three-jaw object placing seat, the three-jaw object placing seat can be limited and pressed on the surface of the four-jaw object placing base by the two groups of limiting plates, and therefore the phenomenon that the three-jaw object placing seat loosens in the use process is reduced;
(3) Through rotating the main clamping jaw, one end of the main clamping jaw rotates by taking the hinge part as the center, the main clamping jaw can rapidly clamp and position the eccentric hole part on the surface of the three-jaw storage seat, or the main clamping jaw rotates away from the outer wall of the eccentric hole part and rapidly dismantles the eccentric hole part, so that the convenience of the eccentric hole clamp in use is improved.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is an enlarged schematic elevational view of the threaded rod of the present utility model;
FIG. 3 is a schematic view of a three-dimensional enlarged structure of a positioning rod according to the present utility model;
fig. 4 is a schematic front view of a three-jaw storage seat according to the present utility model.
In the figure: 1. four-claw object placing base; 2. a storage groove; 3. a threaded rod; 4. an auxiliary clamping jaw; 5. a bar-shaped groove; 6. a limit rod; 7. a limiting plate; 8. a nut; 9. a three-jaw object placing seat; 10. eccentric hole parts; 11. a main clamping jaw; 12. a hinge; 13. a thread cylinder; 14. a screw rod; 15. and a positioning rod.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the eccentric hole clamp comprises a four-claw object placing base 1, wherein two ends of the inside of the four-claw object placing base 1 are provided with strip-shaped grooves 5, one end of each strip-shaped groove 5 extends to the outside of the four-claw object placing base 1, and the strip-shaped grooves 5 are symmetrical relative to the central line of the four-claw object placing base 1;
when in use, the bar-shaped grooves 5 are arranged at the two ends of the four-claw object placing base 1 so as to carry out placing treatment on the limit rod 6 and the positioning rod 15;
one end inside the bar-shaped groove 5 is fixed with a limit rod 6, one end of the limit rod 6 extends to the outside of the bar-shaped groove 5, and the outer wall of one end, far away from the bar-shaped groove 5, of the limit rod 6 is movably connected with a limit plate 7;
when in use, the inner wall of the limiting plate 7 contacts with the surface of the three-jaw object placing seat 9 so as to press and limit the three-jaw object placing seat 9 on the surface of the four-jaw object placing base 1;
a screw rod 14 is movably connected in the limiting plate 7 below the limiting rod 6, one end of the screw rod 14 extends to the outside of the limiting plate 7 and is in threaded connection with a nut 8, and the other end of the screw rod 14 extends to the outside of the limiting plate 7;
when the screw rod is used, the nut 8 is positioned on the outer wall of the screw rod 14 to slide, so that the limiting plate 7 is positioned on the outer wall of the screw rod 14 to slide inwards;
one end of the screw rod 14 far away from the nut 8 is fixed with a positioning rod 15, and one end of the positioning rod 15 far away from the screw rod 14 extends into the strip-shaped groove 5 and is fixedly connected with the inner wall of the four-claw storage base 1;
when in use, the two ends of the positioning rod 15 are respectively connected with the inner wall of the four-claw object placing base 1 and one end of the screw rod 14 so as to carry out placement treatment on the screw rod 14;
the center position of the surface of the four-jaw object placing base 1 is provided with a three-jaw object placing base 9, the outer surface of one side of the three-jaw object placing base 9, which is far away from the four-jaw object placing base 1, is provided with eccentric hole parts 10, the outer wall of the three-jaw object placing base 9 is provided with equidistant hinging pieces 12, one end of each hinging piece 12 is rotationally connected with a main clamping jaw 11, one end of each main clamping jaw 11, which is far away from each hinging piece 12, is contacted with the outer wall of the eccentric hole part 10, the main clamping jaws 11 are provided with three groups, and the included angle between every two adjacent main clamping jaws 11 is one hundred twenty degrees;
the four-jaw object placing base 1 outside the three-jaw object placing base 9 is internally provided with equidistant object placing grooves 2, and one end of each object placing groove 2 extends to the outside of the four-jaw object placing base 1;
the inside of the object placing groove 2 is rotationally connected with a threaded rod 3, the outer wall at one end of the threaded rod 3 is in threaded connection with a threaded cylinder 13, an auxiliary clamping jaw 4 is arranged on the outer wall at one side of the threaded cylinder 13 through a bracket, one end, far away from the threaded cylinder 13, of the auxiliary clamping jaw 4 extends to the outside of the object placing groove 2 and touches the outer wall of the three-jaw object placing seat 9, four groups of auxiliary clamping jaws 4 are arranged, and the included angle between every two adjacent auxiliary clamping jaws 4 is ninety degrees;
when in use, four groups of auxiliary clamping jaws 4 are arranged at equal intervals, so that the three-jaw object placing seat 9 is firmly arranged on the surface of the four-jaw object placing base 1.
When the three-jaw clamping device is used, firstly, the eccentric hole part 10 is arranged at the center position of the surface of the three-jaw clamping device 9, the main clamping jaw 11 is rotated by rotating one end of the main clamping jaw 11 by taking the hinge 12 as the center, one end of the main clamping jaw 11 is enabled to contact with the outer wall of the eccentric hole part 10, so that the eccentric hole part 10 is clamped and positioned on the surface of the three-jaw clamping device 9, if the eccentric hole part 10 needs to be disassembled, the main clamping jaw 11 is rotated to enable the eccentric hole part 11 to be separated from the outer wall of the eccentric hole part 10, the eccentric hole part 10 can be pulled to be rapidly disassembled, the purpose of rapidly disassembling the eccentric hole part 10 is achieved, then the threaded rod 3 is utilized to enable the threaded cylinder 13 to slide on the outer wall of the threaded rod 3 after limiting the movement amplitude of the auxiliary clamping jaw 4 is achieved, the threaded cylinder 13 drives the auxiliary clamping jaw 4 to synchronously move, so that the three-jaw clamping device 9 can be clamped or loosened, and then the three-jaw clamping device 9 can be conveniently disassembled and replaced, the three-jaw clamping device 9 is replaced according to the specification of the eccentric hole part 10, the three-jaw clamping device 9 is required to be replaced, the three-jaw clamping device 9 can be rotated, the three-jaw clamping device 7 can be rotated, and the three-jaw clamping device 7 can be simultaneously moved to the inner wall 7 through the threaded rod 7 is positioned on the outer wall 7 through the threaded rod 3 to the outer wall to the three-jaw clamping device 7 to the inner wall 7, and the three-jaw clamping device 7 to the inner wall 7.
Claims (6)
1. The eccentric hole clamp is characterized by comprising a four-claw object placing base (1), a three-claw object placing base (9) is arranged at the central position of the surface of the four-claw object placing base (1), eccentric hole parts (10) are arranged on the outer surface of one side of the three-claw object placing base (9) far away from the four-claw object placing base (1), equidistant hinge pieces (12) are arranged on the outer wall of the three-claw object placing base (9), one end of each hinge piece (12) is rotationally connected with a main clamping jaw (11), one end of each main clamping jaw (11) far away from each hinge piece (12) is contacted with the outer wall of the eccentric hole part (10), three groups of main clamping jaws (11) are arranged, the included angle between every two adjacent main clamping jaws (11) is one hundred twenty degrees, equidistant object placing grooves (2) are formed in the four-claw object placing base (1) at the outer side, one end of each object placing groove (2) extends to the outer side of the four-claw object placing base (1), the inner parts of each object placing groove (2) are rotationally connected with one end of each main clamping jaw (11), one end of each object placing groove (2) is connected with one threaded cylinder (3) through one threaded cylinder (13), one end of the auxiliary clamping jaw (4) far away from the thread cylinder (13) extends to the outside of the storage groove (2) and touches the outer wall of the three-jaw storage seat (9).
2. The eccentric orifice clamp of claim 1, wherein: the four-claw storage base is characterized in that two ends of the inside of the four-claw storage base (1) are provided with strip-shaped grooves (5), one ends of the strip-shaped grooves (5) extend to the outside of the four-claw storage base (1), and the strip-shaped grooves (5) are symmetrical with respect to the center line of the four-claw storage base (1).
3. The eccentric orifice clamp of claim 1, wherein: the auxiliary clamping jaws (4) are provided with four groups, and the included angle between every two adjacent auxiliary clamping jaws (4) is ninety degrees.
4. The eccentric orifice clamp of claim 2, wherein: the one end of bar groove (5) inside is fixed with gag lever post (6), the one end of gag lever post (6) extends to the outside of bar groove (5), swing joint has limiting plate (7) on the outer wall of bar groove (5) one end is kept away from to gag lever post (6).
5. The eccentric orifice clamp of claim 4, wherein: the screw rod is characterized in that a screw rod (14) is movably connected inside the limiting plate (7) below the limiting rod (6), one end of the screw rod (14) extends to the outside of the limiting plate (7) and is in threaded connection with a nut (8), and the other end of the screw rod (14) extends to the outside of the limiting plate (7).
6. The eccentric orifice clamp of claim 5, wherein: one end of the screw rod (14) far away from the nut (8) is fixedly provided with a positioning rod (15), and one end of the positioning rod (15) far away from the screw rod (14) extends to the inside of the strip-shaped groove (5) and is fixedly connected with the inner wall of the four-claw storage base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358943.6U CN219444283U (en) | 2023-03-02 | 2023-03-02 | Eccentric hole clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358943.6U CN219444283U (en) | 2023-03-02 | 2023-03-02 | Eccentric hole clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219444283U true CN219444283U (en) | 2023-08-01 |
Family
ID=87413105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320358943.6U Active CN219444283U (en) | 2023-03-02 | 2023-03-02 | Eccentric hole clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219444283U (en) |
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2023
- 2023-03-02 CN CN202320358943.6U patent/CN219444283U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |