Positioning column with adjustable elasticity

Abstract

The utility model relates to the technical field of positioning columns, and discloses an elastic-force-adjustable positioning column which comprises a stand column and a pin rod, a mounting groove is formed in the stand column and penetrates through the two ends of the stand column, the pin rod movably penetrates through one end of the mounting groove, and a spring is arranged on the side, located in the stand column, of the pin rod. The other side of the spring is provided with an adjusting screw, the adjusting screw is screwed to the bottom of the stand column through threads, and the adjusting screw is rotated to extrude the spring in the stand column and adjust the compression state of the spring so as to adjust the load of the pin rod to a proper value to adapt to different workpieces; the problem that the force value cannot be adjusted to be suitable for various occasions in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning column technical field especially relates to a positioning column of elastic force adjustment. BACKGROUND

[0002] Spring plunger is also called ball head plunger or positioning bead / post, and is widely used on some medical instrument equipment, lubricating equipment, pneumatic tool and the like. Engineers often use it in mold, fixture, assembly and the like. The movement of the ball is pushed by the spring with certain pressure, so that the equipment runs smoothly.

[0003] The positioning bead in the prior art can realize accurate positioning, indexing and provide pressure when being used, but the existing positioning post cannot adjust the force value to be applicable to various occasions. UTILITY MODEL CONTENT

[0004] The utility model discloses a positioning post of elastic force adjustment, which solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A positioning post of elastic force adjustment, which comprises a stand and a pin rod, an installation groove is arranged in the stand, the installation groove penetrates through both ends of the stand, the pin rod is movably penetrated into one end of the installation groove, a spring is arranged on one side of the pin rod in the stand, an adjusting screw is arranged on the other side of the spring, and the adjusting screw is screwed at the bottom of the stand.

[0007] Preferably, a check screw is arranged at the bottom of the stand, the check screw is screw-connected with the installation groove at the bottom of the stand, and the top of the check screw movably abuts against the bottom of the adjusting screw.

[0008] Preferably, a limiting ring is arranged at the bottom end of the pin rod, a circular step portion is arranged at the top of the inner cavity of the stand, and the outer diameter of the limiting ring is matched with the inner diameter of the installation groove.

[0009] Preferably, a first groove is arranged at the bottom of the limiting ring, a second groove is arranged on one side of the adjusting screw, and the two ends of the spring movably abut against the inner cavities of the first groove and the second groove respectively.

[0010] Preferably, a hexagonal opening is arranged on one side of the adjusting screw and the check screw.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses, through setting up the adjusting screw, can through the rotation adjusting screw to extrude the spring in the stand in using, adjusts the compression state of spring, to adjust the load of pin rod to the proper value, to adapt to different workpieces, solved the problem that the force value of prior art can not be adjusted and is applicable to various occasions. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 A three-dimensional schematic view of the positioning column with adjustable elastic force is provided for the utility model;

[0014] Fig. 2 A stand internal schematic view of the positioning column with adjustable elastic force is provided for the utility model;

[0015] Fig. 3 An opening schematic view of the positioning column with adjustable elastic force is provided for the utility model.

[0016] In the drawing: 1, stand; 2, pin rod; 3, installation groove; 4, spring; 5, adjusting screw; 6, lock screw; 7, limit ring; 8, step portion; 9, first recess; 10, second recess; 11, opening. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] REFERENCE Figs. 1 to 3 A positioning column with adjustable elastic force, including stand 1 and pin rod 2, the installation groove 3 is set up in the stand 1, and the installation groove 3 is through the both ends of stand 1, the pin rod 2 is movably through one end of installation groove 3, the pin rod 2 is located in the one side of stand 1 and is provided with spring 4, the other side of spring 4 is provided with adjusting screw 5, and the adjusting screw 5 is screwed in the bottom of stand 1 through thread.

[0019] The device can extrude the spring 4 in the stand 1 by rotating the adjusting screw 5 in use, adjust the compression state of spring 4, adjust the load of pin rod 2 to the proper value, adapt to different workpieces, and solve the problem that the force value can not be adjusted in the prior art and is applicable to various occasions.

[0020] Further, the bottom of the column 1 is provided with a locking screw 6, the locking screw 6 is screwed with the mounting groove 3 of the bottom of the column 1, and the top of the locking screw 6 is movably abutted with the bottom of the adjusting screw 5. By the locking screw 6, after the adjusting screw 5 is adjusted, the locking screw 6 is screwed into the mounting groove 3, so that the adjusting screw 5 is limited in the mounting groove 3, and the adjusting screw is prevented from being displaced due to vibration during the operation of the equipment, so that the compression state of the spring 4 is affected.

[0021] Further, the bottom of the column 1 is provided with a locking screw 6, the locking screw 6 is screwed with the mounting groove 3 of the bottom of the column 1, and the top of the locking screw 6 is movably abutted with the bottom of the adjusting screw 5. By the locking screw 6, after the adjusting screw 5 is adjusted, the locking screw 6 is screwed into the mounting groove 3, so that the adjusting screw 5 is limited in the mounting groove 3, and the adjusting screw is prevented from being displaced due to vibration during the operation of the equipment, so that the compression state of the spring 4 is affected.

[0022] Further, the bottom of the column 1 is provided with a locking screw 6, the locking screw 6 is screwed with the mounting groove 3 of the bottom of the column 1, and the top of the locking screw 6 is movably abutted with the bottom of the adjusting screw 5. By the locking screw 6, after the adjusting screw 5 is adjusted, the locking screw 6 is screwed into the mounting groove 3, so that the adjusting screw 5 is limited in the mounting groove 3, and the adjusting screw is prevented from being displaced due to vibration during the operation of the equipment, so that the compression state of the spring 4 is affected.

[0023] Further, the bottom of the column 1 is provided with a locking screw 6, the locking screw 6 is screwed with the mounting groove 3 of the bottom of the column 1, and the top of the locking screw 6 is movably abutted with the bottom of the adjusting screw 5. By the locking screw 6, after the adjusting screw 5 is adjusted, the locking screw 6 is screwed into the mounting groove 3, so that the adjusting screw 5 is limited in the mounting groove 3, and the adjusting screw is prevented from being displaced due to vibration during the operation of the equipment, so that the compression state of the spring 4 is affected.

[0024] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A positioning column with adjustable elasticity, comprising a stand column (1) and a pin rod (2), characterized in that: The post (1) is provided with a mounting slot (3), and the mounting slot (3) penetrates through both ends of the post (1), the pin rod (2) is movably penetrated into one end of the mounting slot (3), one side of the pin rod (2) located in the post (1) is provided with a spring (4), the other side of the spring (4) is provided with an adjusting screw (5), and the adjusting screw (5) is screwed at the bottom of the post (1).

2. The tension adjustable positioning column according to claim 1, wherein: The bottom of the post (1) is provided with a check screw (6), the check screw (6) is screwed with the mounting slot (3) at the bottom of the post (1), and the top of the check screw (6) is movably abutted with the bottom of the adjusting screw (5).

3. The tension adjustable positioning column according to claim 1, wherein: The bottom end of the pin rod (2) is provided with a limiting ring (7), and the top of the inner cavity of the post (1) is provided with a circular step portion (8), and the outer diameter of the limiting ring (7) is matched with the inner diameter of the mounting slot (3).

4. The tension adjustable positioning column according to claim 3, wherein: The bottom of the limiting ring (7) is provided with a first recess (9), one side of the adjusting screw (5) is provided with a second recess (10), and the two ends of the spring (4) are movably abutted with the inner cavities of the first recess (9) and the second recess (10) respectively.

5. The tension adjustable positioning column of claim 1, wherein: The sides of the adjusting screw (5) and the check screw (6) are both provided with hexagonal openings (11).

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