Universal rotary adapter for measuring instrument

Abstract

The utility model discloses a general rotary adapter for measuring instruments, which comprises a base, a rotary head, an adapter, a connecting piece, a hexagon socket cap screw, a screw sleeve and a star-shaped knob, the base is in the shape of a hollow rotary shaft, the inner wall of the base is provided with internal threads, the surface of the base is provided with an annular groove, and the star-shaped knob is arranged in the annular groove. A threaded hole is formed in the center of the top of the base, four blind holes are evenly distributed in the surface of the base, the rotating head is in a hollow rotating shaft shape, the bottom of the rotating head is arranged at the upper end of a lower shaft of the base, and the inner diameter of the rotating head is slightly larger than the diameter of an upper shaft of the base. According to the utility model, the base is connected and fixed on the tripod, torsion is applied to the base for locking, the blind hole is used for applying torsion to lock the base, and then the measuring equipment is arranged on the adapter, so that when the adapter is adjusted to rotate, an operator loosens the star-shaped knob and can rotate the rotating head, thereby rotating the measuring equipment. The device has the advantage of being convenient to rotate and adjust.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotating head technical field, concretely for a kind of general rotating adapter for measuring instrument. BACKGROUND

[0002] There are many kinds of precision measuring instruments on the market at present, and the measuring instrument is a third-party standard needed for measurement in order to obtain the attribute value of target object, and the measuring instrument generally has scale, volume and other units.

[0003] The mainstream precision measuring instrument at present needs to be fixed on stable tripod or support base when in use. After part of the measuring instrument is fixed on the tripod or support, the tripod or support itself cannot be rotated towards, and the measuring device itself does not have a rotating function, such as visual measuring device, precision optical instrument, etc. The present application solves the problem that the base cannot be rotated towards after part of the equipment is installed. UTILITY MODEL CONTENT

[0004] To solve the problems raised in the above background art, the utility model aims to provide a general rotating adapter for measuring instrument, which has the advantage of convenient rotation adjustment, and solves the problem that the mainstream precision measuring instrument at present needs to be fixed on stable tripod or support base when in use. After part of the measuring instrument is fixed on the tripod or support, the tripod or support itself cannot be rotated towards, and the measuring device itself does not have a rotating function.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a general rotating adapter for measuring instrument, comprising a base, a rotating head, an adapter, a connecting piece, an internal hexagonal cylindrical head screw, a sleeve and a star knob, the base is hollow and has the shape of a rotating shaft, the inner wall of the base is provided with internal threads, the surface of the base is provided with an annular groove, the center of the top of the base is provided with a threaded hole, the surface of the base is provided with four evenly distributed blind holes, and the blind holes are used to apply torque to lock the base.

[0006] As a preferred embodiment of the utility model, the rotating head is hollow and has the shape of a rotating shaft, the bottom of the rotating head is placed on the upper end of the lower shaft of the base, the inner diameter of the rotating head is slightly larger than the diameter of the upper shaft of the base, the rotating head is rotationally connected with the base, the top of the rotating head is provided with four evenly distributed M4 threaded holes, the center of the top of the rotating head is provided with a stepped hole, the connecting piece is in the shape of a stepped shaft, the diameter of the stepped shaft of the connecting piece is slightly smaller than the diameter of the stepped hole of the rotating head, the surface of the connecting piece is provided with an M10 external thread, the connecting piece is located in the stepped hole of the rotating head, and the connecting piece is threadedly connected with the base, so that the base and the rotating head are connected through the M10 external thread and the threaded hole on the surface of the base, and at this time, the base and the rotating head are integrated, the rotating head cannot move along the axial direction, and can rotate around the shaft center.

[0007] As the utility model prefers, the rotating head is provided with an M10 threaded hole at a height corresponding to the annular groove on the base, an M8 threaded sleeve is arranged at the M10 threaded hole, the star-shaped knob is screwed into the threaded sleeve, and the tail end of the star-shaped knob abuts against the annular groove on the surface of the rotating head, so that the rotating head cannot rotate at this time.

[0008] As the utility model prefers, an external thread is arranged on the adapter, the measuring device is connected with the universal rotating head through the external thread, the top of the adapter corresponds to the rotating head, the top of the adapter is provided with four evenly distributed screw clearance holes, and the adapter and the rotating head are connected and fixed through four M4 internal hexagonal cylindrical head screws.

[0009] Compared with the prior art, the utility model has the beneficial effects as follows:

[0010] 1. The base is connected and fixed on the tripod, and a torsion is applied to lock the base, the blind hole is used to apply the torsion to lock the base, the measuring device is installed on the adapter, when the adapter is adjusted to rotate, the operator loosens the star-shaped knob, the rotating head can be rotated, the measuring device is rotated, and the device has the advantages of convenient rotation adjustment.

[0011] 2. The M10 external thread is connected with the threaded hole on the surface of the base, the base and the rotating head are integrated at this time, the rotating head cannot move along the axial direction, and can rotate around the shaft. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a front view of the base and the rotating head structure of the utility model;

[0014] Figure 3 It is a structural top view of the utility model;

[0015] Figure 4 It is a structural adapter view of the utility model.

[0016] In the drawing: 1, base; 2, rotating head; 3, adapter; 4, connecting piece; 5, internal hexagonal cylindrical head screw; 6, threaded sleeve; 7, star-shaped knob; 1A, internal thread; 2A, M4 threaded hole; 3A, external thread; 4A, M10 external thread; 1B, annular groove; 2B, stepped hole; 3B, screw clearance hole; 1C, threaded hole; 2C, M10 threaded hole; 1D, blind hole. DETAILED DESCRIPTION

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figures 1 to 4 As shown, a universal rotary adapter for measuring instruments includes a base 1, a rotary head 2, an adapter 3, a connector 4, an internal hexagonal head screw 5, a screw sleeve 6, and a star-shaped knob 7. The base 1 is a hollow rotary shaft. The inner wall of the base 1 is provided with an internal thread 1A. The surface of the base 1 is provided with an annular groove 1B. The center of the top of the base 1 is provided with a threaded hole 1C. The surface of the base 1 is provided with four evenly distributed blind holes 1D. The blind holes 1D are used to apply torque to lock the base 1.

[0019] refer to Figures 1 to 4 The rotating head 2 is a hollow rotating shaft. The bottom of the rotating head 2 is placed on the upper end of the lower shaft of the base 1. The inner diameter of the rotating head 2 is slightly larger than the diameter of the upper shaft of the base 1. The rotating head 2 is rotatably connected to the base 1. The top of the rotating head 2 is provided with four evenly distributed M4 threaded holes 2A. The center of the top of the rotating head 2 is provided with a stepped hole 2B. The connecting part 4 is a stepped shaft. The diameter of the stepped shaft of the connecting part 4 is slightly smaller than the stepped hole 2B of the rotating head 2. The surface of the connecting part 4 is provided with M10 external threads 4A. The connecting part 4 is located in the stepped hole 2B of the rotating head 2. The connecting part 4 is threadedly connected to the base 1 and connected to the threaded hole 1C on the surface of the base 1 through the M10 external threads 4A. At this time, the base 1 and the rotating head 2 are integrated. The rotating head 2 cannot move along the axial direction but can rotate around the axis.

[0020] As a technical optimization of this utility model, the base 1 is connected to the threaded hole 1C on the surface of the base 1 through the M10 external thread 4A. At this time, the base 1 and the rotating head 2 are integrated. The rotating head 2 cannot move along the axial direction, but can rotate around the axis.

[0021] refer to Figures 1 to 4 The rotating head 2 has an M10 threaded hole 2C at a height corresponding to the annular groove 1B on the base 1. A threaded sleeve 6 with an internal M8 thread is provided at the M10 threaded hole 2C. The star-shaped knob 7 is screwed into the threaded sleeve 6. The tail end of the star-shaped knob 7 abuts against the annular groove 1B on the surface of the rotating head 2. At this time, the rotating head 2 cannot rotate.

[0022] As a technical optimization of this utility model, the star-shaped knob 7 is screwed into the screw sleeve 6, and the tail end of the star-shaped knob 7 abuts against the annular groove 1B on the surface of the rotating head 2. At this time, the rotating head 2 cannot rotate, thereby limiting the rotation of the rotating head 2.

[0023] refer toFigures 1 to 4 The adapter 3 is provided with external threads 3A, the measuring device is connected with the universal rotary head 2 through the external threads 3A, the top of the adapter 3 corresponds to the rotary head 2, the top of the adapter 3 is provided with four evenly distributed screw gap holes 3B, and the adapter 3 is connected and fixed with the rotary head 2 through four M4 internal hexagonal cylindrical head screws 5.

[0024] As a technical optimization scheme of the utility model, the measuring device is connected with the universal rotary head 2 through the external threads 3A, the top of the adapter 3 corresponds to the rotary head 2, the top of the adapter 3 is provided with four evenly distributed screw gap holes 3B, and the adapter 3 is connected and fixed with the rotary head 2 through four M4 internal hexagonal cylindrical head screws 5.

[0025] The working principle and use process of the utility model are as follows: when in use, the device is connected and fixed on the tripod through the base 1, the base 1 is locked by applying a torsion force, the blind hole 1D is used to lock the base 1 by applying a torsion force, and the measuring device is installed on the adapter 3; when the adapter 3 is adjusted to rotate, the operator loosens the star-shaped knob 7, and then the rotary head 2 can be rotated, so that the measuring device can be rotated.

[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the utility model have been shown and described, it should be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A universal rotary adapter for measuring instruments, comprising a base (1), a rotating head (2), an adapter (3), a connector (4), an internal hexagonal head screw (5), a screw sleeve (6), and a star-shaped knob (7), characterized in that: The base (1) is a hollow rotating shaft. The inner wall of the base (1) is provided with an internal thread (1A). The surface of the base (1) is provided with an annular groove (1B). The center of the top of the base (1) is provided with a threaded hole (1C). The surface of the base (1) is provided with four evenly distributed blind holes (1D).

2. A universal rotary adapter for measuring instruments according to claim 1, characterized in that: The rotating head (2) is a hollow rotating shaft. The bottom of the rotating head (2) is placed on the upper end of the lower shaft of the base (1). The inner diameter of the rotating head (2) is slightly larger than the diameter of the upper shaft of the base (1). The rotating head (2) is rotatably connected to the base (1). The top of the rotating head (2) is provided with four evenly distributed M4 threaded holes (2A). The center of the top of the rotating head (2) is provided with a stepped hole (2B). The connecting piece (4) is a stepped shaft. The diameter of the stepped shaft of the connecting piece (4) is slightly smaller than the stepped hole (2B) of the rotating head (2). The surface of the connecting piece (4) is provided with an M10 external thread (4A). The connecting piece (4) is located in the stepped hole (2B) of the rotating head (2). The connecting piece (4) is threadedly connected to the base (1).

3. A universal rotary adapter for measuring instruments according to claim 1, characterized in that: The rotating head (2) is provided with an M10 threaded hole (2C) at a height corresponding to the annular groove (1B) on the base (1). A threaded sleeve (6) with an internal thread of M8 is provided at the M10 threaded hole (2C). The star-shaped knob (7) is screwed into the threaded sleeve (6), and the tail end of the star-shaped knob (7) abuts against the annular groove (1B) on the surface of the rotating head (2).

4. A universal rotary adapter for measuring instruments according to claim 1, characterized in that: The adapter (3) is provided with an external thread (3A), and the top of the adapter (3) is provided with four evenly distributed screw gap holes (3B).

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