CN216542846U - One-way movement chuck - Google Patents
One-way movement chuck Download PDFInfo
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- CN216542846U CN216542846U CN202122587438.2U CN202122587438U CN216542846U CN 216542846 U CN216542846 U CN 216542846U CN 202122587438 U CN202122587438 U CN 202122587438U CN 216542846 U CN216542846 U CN 216542846U
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- sleeve
- conical head
- conical
- hole
- main body
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Abstract
The utility model belongs to the technical field of clamps, and particularly relates to a one-way movement chuck which comprises a sleeve, a fixing piece, a clamp main body and a spring, wherein the sleeve is fixedly arranged on the fixing piece; the sleeve is connected with the fixing piece, and a tapered hole is formed in the sleeve; the clamp main body is connected with the fixing piece and arranged in the sleeve, a conical head is arranged at the end part of the clamp main body, the conical head is conical and extends out of the sleeve, and the conical degree of the conical head is the same as that of the conical hole; the conical head is provided with an obliquely arranged positioning hole, and a ball is arranged in the positioning hole; a through hole axially penetrating through the clamp main body is formed in the clamp main body and is communicated with each positioning hole; one end of the spring is connected with the conical head, and the other end of the spring is connected with the fixing piece. The direction of locating hole slope can set up as required, and the work piece is held tightly along with the removal of work piece to the inner wall butt of ball and locating hole for the work piece can only unidirectional movement, and presss from both sides tight work piece.
Description
Technical Field
The utility model belongs to the technical field of clamps, and particularly relates to a one-way movement chuck.
Background
The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig (qi a/j ǜ). In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The existing clamp is not stable enough in clamping when clamping a workpiece, can not realize the function of one-way motion according to actual requirements, can not adjust the length of the workpiece extending out of the clamp according to requirements, and is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a one-way movement chuck, and aims to solve the technical problems that a clamp in the prior art is not firm enough in clamping when clamping a workpiece, and cannot realize the function of one-way movement according to actual requirements.
In order to achieve the above purpose, the one-way movement chuck provided by the embodiment of the utility model comprises a sleeve, a fixing piece, a clamp main body and a spring; the sleeve is connected with the fixing piece, and a tapered hole is formed in the sleeve; the clamp main body is connected with the fixing piece and arranged in the sleeve, a conical head is arranged at the end part of the clamp main body, the conical head is conical and extends out of the sleeve, and the conical degree of the conical head is the same as that of the conical hole; the conical head is provided with an obliquely arranged positioning hole, and a ball is arranged in the positioning hole; a through hole axially penetrating through the clamp main body is formed in the clamp main body and is communicated with each positioning hole; one end of the spring is connected with the conical head, and the other end of the spring is connected with the fixing piece.
Optionally, the number of the positioning holes and the number of the balls are three, the three positioning holes are uniformly distributed around the through hole, and the inclination directions of the three positioning holes are the same; each ball is arranged in the corresponding positioning hole.
Optionally, the maximum diameter of the conical head is greater than the diameter of the clamp body.
Optionally, the maximum diameter of the conical head is larger than the minimum aperture of the conical bore.
Optionally, the outer surface of the fixing piece is provided with an external thread, and the inner side surface of one end, away from the tapered hole, of the sleeve is provided with an internal thread matched with the external thread.
Optionally, one end of the fixing piece, which is far away from the conical head, is provided with a limiting boss, and the side end of the limiting boss is abutted to the side end of the sleeve.
Optionally, the outer surface of the limiting boss is provided with a plurality of anti-slip grooves.
Optionally, the cone head and the clamp body are integrally manufactured.
One or more technical schemes in the one-way movement chuck provided by the embodiment of the utility model at least have one of the following technical effects: according to the unidirectional movement chuck disclosed by the embodiment of the utility model, one end of the clamp main body penetrates through the fixing piece, the other end of the clamp main body is connected with the conical head, and the conical head extends out of the sleeve; during assembly, the spring is sleeved on the clamp main body, one end of the spring is connected with the conical head, the other end of the spring is connected with the fixing piece, and then the end, provided with the conical head, of the clamp main body is placed into the clamp main body from the end, far away from the conical hole, of the sleeve; the conical head moves towards the direction close to the conical hole, and because the conical degree of the conical head is the same as that of the conical hole, along with the movement of the conical head, the outer side surface of the conical head is well attached to the inner wall of the conical hole until one end of the conical head extends out of the sleeve, the fixing piece is fixed with the sleeve, and at the moment, the spring is squeezed and compressed to tightly press the clamp main body on the sleeve; the workpiece can be arranged in the through hole, the conical head is provided with an obliquely arranged positioning hole, the oblique direction of the positioning hole can be arranged according to requirements, and a ball is arranged in the positioning hole; when the positioning hole inclines towards the end part of the conical head, the workpiece extends into the positioning hole from one end far away from the conical head and extends out of the conical head, the workpiece is abutted with the ball to jack the ball to be in contact with the surface of the conical hole, and in the advancing process of the workpiece, as the positioning hole inclines towards the end part of the conical head, the ball is abutted with the inner wall of the positioning hole and clasps the workpiece along with the advancing of the workpiece, the workpiece cannot return and only can advance, so that the extending length of the workpiece can be adjusted, and the workpiece is prevented from returning; similarly, when the inclined direction of the positioning hole is opposite, the workpiece can be retracted and can not advance; therefore, the workpiece can move in a single direction and is clamped according to the requirement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a unidirectional motion chuck according to an embodiment of the present invention.
Fig. 2 is a cut-away view of a single direction movement cartridge provided by an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a unidirectional motion chuck according to another view angle provided in the embodiment of the present invention.
Fig. 4 is a schematic structural view of the unidirectional movement chuck for clamping a workpiece according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-sleeve 11-taper hole 20-fixing piece
21-limiting boss 22-anti-slip groove 30-clamp main body
31-conical head 32-positioning hole 33-ball
34-through hole 40-spring 50-workpiece.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be illustrative of the embodiments of the utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1 to 4, there is provided a one-way movement chuck including a sleeve 10, a fixing member 20, a chuck body 30 and a spring 40; the sleeve 10 is connected with the fixing piece 20, and a tapered hole 11 is formed in the sleeve 10; the clamp main body 30 is connected with the fixing member 20 and is arranged in the sleeve 10, a conical head 31 is arranged at the end part of the clamp main body 30, the conical head 31 is conical and extends out of the sleeve 10, and the conical degree of the conical head 31 is the same as that of the conical hole 11; the conical head 31 is provided with an obliquely arranged positioning hole 32, and a ball 33 is arranged in the positioning hole 32; a through hole 34 axially penetrating through the clamp main body 30 is formed in the clamp main body 30, and the through hole 34 is communicated with each positioning hole 32; one end of the spring 40 is connected to the conical head 31, and the other end is connected to the fixing member 20.
Specifically, in the unidirectional movement chuck of the embodiment of the present invention, one end of the clamp body 30 passes through the fixing member 20, and the other end is connected with the tapered head 31, and the tapered head 31 partially extends out of the sleeve 10; during assembly, the spring 40 is sleeved on the clamp main body 30, one end of the spring 40 is connected with the conical head 31, the other end of the spring 40 is connected with the fixing piece 20, and then the end, provided with the conical head 31, of the clamp main body 30 is placed into the sleeve 10 from the end far away from the conical hole 11; the conical head 31 moves towards the direction close to the conical hole 11, because the taper of the conical head 31 is the same as that of the conical hole 11, along with the movement of the conical head 31, the outer side surface of the conical head 31 is well attached to the inner wall of the conical hole 11 until one end of the conical head 31 extends out of the sleeve 10, the fixing piece 20 is fixed with the sleeve 10, and at the moment, the spring 40 is squeezed and compressed, so that the clamp body 30 is tightly pressed on the sleeve 10; the workpiece 50 can be arranged in the through hole 34, because the conical head 31 is provided with the positioning hole 32 which is obliquely arranged, the oblique direction of the positioning hole 32 can be set according to requirements, and the positioning hole 32 is internally provided with the ball 33; when the positioning hole 32 inclines towards the end part of the conical head 31, the workpiece 50 extends into the end part far away from the conical head 31 and extends out of the conical head 31, the workpiece 50 is abutted against the ball 33, and the ball 33 is jacked to be in surface contact with the conical hole 11, in the advancing process of the workpiece 50, as the positioning hole 32 inclines towards the end part of the conical head 31, the ball 33 is abutted against the inner wall of the positioning hole 32 and clasps the workpiece 50 along with the advancing of the workpiece 50, so that the workpiece 50 cannot move back and only can move forward, therefore, the extending length of the workpiece 50 can be adjusted, and the workpiece 50 is prevented from moving back; similarly, when the orientation of the positioning hole 32 is reversed, the workpiece 50 is retracted and prevented from advancing; in this way, it is possible to set, as required, the workpiece 50 to move unidirectionally, and to clamp the workpiece 50.
In another embodiment of the present invention, as shown in fig. 2 to 4, the number of the positioning holes 32 and the balls 33 is three, the three positioning holes 32 are uniformly arranged around the through holes 34, and the inclination directions of the three positioning holes 32 are the same; each of the balls 33 is disposed in the corresponding positioning hole 32. Specifically, the three positioning holes 32 are arranged, so that the workpiece 50 is fixed through the three balls 33, and the workpiece 50 is clamped better and more stably.
Further, the balls 33 are steel balls.
In another embodiment of the present invention, as shown in fig. 2 and 4, the maximum diameter of the conical head 31 is larger than the diameter of the jig main body 30. Specifically, the maximum diameter of the conical head 31 is larger than the diameter of the clamp body 30, so that when the spring 40 is sleeved on the clamp body 30, the spring 40 abuts against the side end of the conical head 31, and when the spring 40 is compressed, the elastic force is applied to the conical head 31, so that the conical head 31 and the clamp body 30 are pressed in the sleeve 10.
In another embodiment of the present invention, as shown in fig. 2 and 4, the maximum diameter of the conical head 31 is larger than the minimum aperture of the conical hole 11. Specifically, the maximum diameter of the conical head 31 is larger than the minimum aperture of the conical hole 11, so that the conical head 31 is prevented from being completely separated from the conical hole 11, and the conical head 31 can be well limited.
In another embodiment of the present invention, as shown in fig. 2 to 3, the outer surface of the fixing member 20 is provided with an external thread, and the inner side surface of the end of the sleeve 10 away from the tapered hole 11 is provided with an internal thread adapted to the external thread. Specifically, the external thread of the fixing member 20 is coupled with the internal thread of the sleeve 10, thus accomplishing the coupling of the fixing member 20 with the sleeve 10,
in another embodiment of the present invention, as shown in fig. 1 to 3, a limiting boss 21 is disposed at an end of the fixing member 20 away from the conical head 31, and a side end of the limiting boss 21 abuts against a side end of the sleeve 10. Specifically, the side surface of the limit boss 21 is flush with the side surface of the sleeve 10, and the sleeve 10 abuts against the side end of the limit boss 21.
In another embodiment of the present invention, as shown in fig. 1 to 3, the outer surface of the limiting boss 21 is provided with a plurality of anti-slip grooves 22. In particular, the anti-slip grooves 22 are provided to increase friction and to better tighten the fastener 20 on the sleeve 10.
In another embodiment of the present invention, as shown in fig. 1 to 4, the tapered head 31 and the clamp body 30 are integrally formed. Specifically, the tapered head 31 and the jig main body 30 are integrally formed.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (8)
1. A unidirectional motion chuck, characterized by: comprises a sleeve, a fixing piece, a clamp main body and a spring; the sleeve is connected with the fixing piece, and a tapered hole is formed in the sleeve; the clamp main body is connected with the fixing piece and arranged in the sleeve, a conical head is arranged at the end part of the clamp main body, the conical head is conical and extends out of the sleeve, and the conical degree of the conical head is the same as that of the conical hole; the conical head is provided with an obliquely arranged positioning hole, and a ball is arranged in the positioning hole; a through hole axially penetrating through the clamp main body is formed in the clamp main body and is communicated with each positioning hole; one end of the spring is connected with the conical head, and the other end of the spring is connected with the fixing piece.
2. A one-way motion chuck according to claim 1, wherein: the number of the positioning holes and the number of the balls are three, the three positioning holes are uniformly distributed around the through holes, and the inclination directions of the three positioning holes are the same; each ball is arranged in the corresponding positioning hole.
3. A one-way motion chuck according to claim 1, wherein: the maximum diameter of the conical head is larger than the diameter of the clamp body.
4. A one-way motion chuck according to claim 1, wherein: the maximum diameter of the conical head is larger than the minimum aperture of the conical hole.
5. A unidirectional motion chuck according to any one of claims 1 to 4, wherein: the surface of mounting is equipped with the external screw thread, the medial surface that the sleeve kept away from the one end of bell mouth be equipped with the internal thread of external screw thread adaptation.
6. A unidirectional motion chuck according to any one of claims 1 to 4, wherein: the fixing piece is far away from one end of the conical head is provided with a limiting boss, and the side end of the limiting boss is abutted to the side end of the sleeve.
7. A one-way motion chuck according to claim 6, wherein: the outer surface of the limiting boss is provided with a plurality of anti-slip grooves.
8. A unidirectional motion chuck according to any one of claims 1 to 4, wherein: the conical head and the clamp body are integrally manufactured and molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587438.2U CN216542846U (en) | 2021-10-26 | 2021-10-26 | One-way movement chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587438.2U CN216542846U (en) | 2021-10-26 | 2021-10-26 | One-way movement chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216542846U true CN216542846U (en) | 2022-05-17 |
Family
ID=81569189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122587438.2U Active CN216542846U (en) | 2021-10-26 | 2021-10-26 | One-way movement chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216542846U (en) |
-
2021
- 2021-10-26 CN CN202122587438.2U patent/CN216542846U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |