Simple chuck

Abstract

The utility model discloses a simple chuck which comprises a shell and a clamping rod, the clamping rod comprises a pull rod and a chuck body, a long hole is formed in the shell along the axis, and the pull rod and the chuck body are arranged in the long hole; a long hole is formed in the chuck, a fastening nut is fixed at the outer end of the long hole, a through hole is formed in the fastening nut along the axis, the through hole is aligned with the long hole, and the outer end of the chuck is located outside the through hole; the inner end of the pull rod is connected with an adjusting rod, one end of the adjusting rod is rotationally connected with the pull rod, the other end of the adjusting rod penetrates through the shell and then extends to the outside, an adjusting nut is fixed to the tail end of the shell, the adjusting rod is in threaded connection with the adjusting nut, and when the adjusting rod is rotated outwards, the adjusting rod is rotated outwards. And the adjusting rod pulls the pull rod to move so as to tension the chuck, otherwise, the chuck is loosened. Clamping and loosening of the chuck are achieved through the adjusting rod and the adjusting nut, cost is low, operation is convenient, and the sampling inspection requirement is met.

Description

Technical Field

[0001] This utility model relates to a chuck, specifically a simple chuck. Background Technology

[0002] During the production and processing of grinding heads, the factory conducts random inspections. These inspections involve fixing the grinding heads in place and then observing their appearance and measuring their dimensions. Because the tool holders of grinding heads vary in size and specifications, workers currently use chucks on the grinding machine to hold the heads in place. However, random inspections don't just involve checking one or a few grinding heads; they require checking dozens. Using many grinding machine chucks would be wasteful and increase costs. Therefore, the factory designed a simplified chuck to meet the needs of random inspections. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this utility model provides a simple chuck. This utility model uses an adjusting rod and an adjusting nut to achieve clamping and loosening of the chuck, which is low in cost, easy to operate, and meets the needs of spot checks.

[0004] To achieve the above technical objectives, this utility model adopts the following technical solution: a simple chuck, comprising a housing and a clamping rod, the clamping rod comprising a pull rod and a chuck, the housing having an elongated hole along its axis, the pull rod and the chuck being placed within the elongated hole; a fastening nut is fixed to the outer end of the elongated hole, the fastening nut having a through hole along its axis, the through hole being aligned with the elongated hole, and the outer end of the chuck being located outside the through hole; an adjusting rod is connected to the inner end of the pull rod, one end of the adjusting rod being rotatably connected to the pull rod, and the other end passing through the housing and extending to the outside, an adjusting nut being fixed to the tail end of the housing, the adjusting rod being threadedly connected to the adjusting nut, when the adjusting rod is rotated outward, the adjusting rod pulls the pull rod to move and tighten the chuck, and vice versa, loosens the chuck.

[0005] The elongated hole includes a straight hole and an flared hole that are interconnected. The pull rod is located in the straight hole, and the chuck is located in the flared hole. The shapes of the flared hole and the through hole are matched with the shape of the chuck.

[0006] The housing has a threaded hole, and the fastening nut is threadedly fastened in the threaded hole.

[0007] The chuck has a clamping hole, and the outer wall of the clamping hole has multiple long grooves along the axial direction.

[0008] The adjusting rod includes a cylindrical head, a cylindrical rod, and a handle. The diameter of the cylindrical head is larger than the diameter of the cylindrical rod. A blind hole is formed at the inner end of the rod. The blind hole has a convex structure. The cylindrical head and a section of the cylindrical rod are placed in the blind hole. The inner wall of the blind hole is coated with a wear-resistant layer. The cylindrical head and the cylindrical rod can rotate in the blind hole. The cylindrical rod is threaded to the housing. The cylindrical rod, except for the section that enters the blind hole, has an external thread.

[0009] The outer wall of the outer shell is also provided with a circular plate, the circular plate is equipped with a bracket, and the bracket is equipped with a connector.

[0010] In summary, this utility model achieves the following technical effects:

[0011] This invention utilizes an adjusting rod to tighten or loosen the chuck, enabling convenient clamping or loosening. It is low in cost, meets the requirements for temporary clamping during spot checks, is easy to use, and no longer occupies the grinding machine chuck. Attached Figure Description

[0012] Figure 1 This is a simplified diagram illustrating the clamping state of a chuck.

[0013] Figure 2 This is a simplified diagram illustrating the relaxed state of the clamp. Detailed Implementation

[0014] The present invention will be further described in detail below with reference to the accompanying drawings.

[0015] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0016] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0017] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying 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 this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0018] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0020] Example:

[0021] Figure 1 This is a simplified diagram illustrating the clamping state of a chuck. Figure 2 This is a schematic diagram of a simplified chuck in a relaxed state, including a housing 1 and a clamping rod 2. The clamping rod 2 includes a pull rod 21 and a chuck 22. The housing 1 has an elongated hole 11 along its axis, and the pull rod 21 and the chuck 22 are placed inside the elongated hole 11. A fastening nut 3 is fixed to the outer end of the elongated hole 11. The fastening nut 3 has a through hole 31 along its axis, which is aligned with the elongated hole 11, and the outer end of the chuck 22 is located outside the through hole 31. An adjusting rod 4 is connected to the inner end of the pull rod 21. One end of the adjusting rod 4 is rotatably connected to the pull rod 21, and the other end passes through the housing 1 and extends to the outside. An adjusting nut 5 is fixed to the tail end of the housing 1. The adjusting rod 4 is threadedly connected to the adjusting nut 5. When the adjusting rod 4 is rotated outward, the adjusting rod 4 pulls the pull rod 21 to move and tighten the chuck 22; conversely, rotating it outward loosens the chuck 22.

[0022] The elongated hole 11 includes a straight hole 110 and an flared hole 111 that are interconnected. The pull rod 21 is located in the straight hole 110, and the chuck 22 is located in the flared hole 111. The shapes of the flared hole 111 and the through hole 31 are matched with the shape of the chuck 22. When the pull rod 21 moves upward, the chuck 22 is tightened and clamped under the constraint of the flared hole 111. Since this device is only used for spot checks, the inner hole 31 of the fastening nut 3 is a smooth flared surface, which can tighten the chuck and clamp the grinding head to prevent it from falling off. It does not require a very large clamping force and avoids damaging the grinding head.

[0023] The housing 1 has a threaded hole 12, and the fastening nut 3 is threadedly fastened in the threaded hole 12.

[0024] The chuck 22 has a clamping hole, and the outer wall of the clamping hole has multiple elongated grooves 23 along the axial direction. The clamping hole is used to clamp the tool holder of the grinding head, and the elongated grooves 23 provide a tight space.

[0025] The adjusting rod 4 includes a cylindrical head 42, a cylindrical rod 41, and a handle 43. The diameter of the cylindrical head 42 is larger than the diameter of the cylindrical rod 41. A blind hole 24 is opened at the inner end of the pull rod 21. The blind hole 24 has a convex structure. The cylindrical head 42 and a section of the cylindrical rod 41 are placed in the blind hole 24. The inner wall of the blind hole 24 is coated with a wear-resistant layer. The cylindrical head 42 and the cylindrical rod 41 can rotate in the blind hole 24. The cylindrical rod 41 is threaded to the housing 1. The cylindrical rod 41 has external threads except for the section that enters the blind hole 24.

[0026] When the adjusting rod 4 is rotated outward, the cylindrical head 42 and the pull rod 21 rotate relative to each other. The adjusting rod 4 moves upward, driving the pull rod 21 upward, which in turn drives the chuck 22 upward, causing the chuck to retract into the fixing nut 3, thus clamping the grinding head. Conversely, rotating it downward releases the grinding head. The up-and-down movement of the pull rod is achieved using the adjusting rod and adjusting nut, which is convenient and low-cost. Furthermore, the adjusting rod has a certain stroke to accommodate grinding heads of different diameters.

[0027] The outer wall of the housing 1 is also provided with a circular plate 13, on which a bracket 14 is mounted, and on which a connector 15 is mounted. The connector 15 can be mounted on the sampling inspection frame.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A simple chuck, characterized in that: The device includes a housing (1) and a clamping rod (2). The clamping rod (2) includes a pull rod (21) and a chuck (22). The housing (1) has an elongated hole (11) along its axis. The pull rod (21) and the chuck (22) are placed inside the elongated hole (11). A fastening nut (3) is fixed to the outer end of the elongated hole (11). The fastening nut (3) has a through hole (31) along its axis. The through hole (31) is aligned with the elongated hole (11), and the outer end of the chuck (22) is located outside the through hole (31). The inner end of the pull rod (21) is connected to an adjusting rod (4). One end of the adjusting rod (4) is rotatably connected to the pull rod (21), and the other end extends to the outside after passing through the housing (1). An adjusting nut (5) is fixed at the tail end of the housing (1). The adjusting rod (4) is threadedly connected to the adjusting nut (5). When the adjusting rod (4) is rotated outward, the adjusting rod (4) pulls the pull rod (21) to move to tighten the clamp (22), and vice versa, it loosens the clamp (22).

2. The simplified chuck according to claim 1, characterized in that: The elongated hole (11) includes a straight hole (110) and an outer bulging hole (111) that are interconnected. The pull rod (21) is located in the straight hole (110), and the chuck (22) is located in the outer bulging hole (111). The shapes of the outer bulging hole (111) and the through hole (31) are matched with the shape of the chuck (22).

3. A simple chuck according to claim 1, characterized in that: The housing (1) has a threaded hole (12), and the fastening nut (3) is threadedly fastened in the threaded hole (12).

4. A simple chuck according to claim 1, characterized in that: The clamp (22) has a clamping hole, and the outer wall of the clamping hole has multiple long grooves (23) along the axial direction.

5. A simple chuck according to claim 1, characterized in that: The adjusting rod (4) includes a cylindrical head (42), a cylindrical rod (41), and a handle (43). The diameter of the cylindrical head (42) is larger than the diameter of the cylindrical rod (41). A blind hole (24) is opened at the inner end of the pull rod (21). The blind hole (24) has a convex structure. A section of the cylindrical head (42) and a section of the cylindrical rod (41) are placed in the blind hole (24). The inner wall of the blind hole (24) is coated with a wear-resistant layer. The cylindrical head (42) and the cylindrical rod (41) can rotate in the blind hole (24). The cylindrical rod (41) is threaded to the housing (1). The cylindrical rod (41) is provided with external threads except for the section that enters the blind hole (24).

6. A simple chuck according to claim 1, characterized in that: The outer wall of the housing (1) is also provided with a circular plate (13), the circular plate (13) is equipped with a bracket (14), and the bracket (14) is equipped with a connector (15).

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