Adjustable ball screw

Abstract

The utility model discloses an adjustable ball screw, and relates to the technical field of ball screws, the adjustable ball screw comprises a screw body, the outer surface of the screw body is sleeved with an installation mechanism in a threaded mode, an adjusting mechanism is fixedly installed on one side of the installation mechanism, and the installation mechanism comprises a first threaded sleeve; the mounting mechanism is arranged, the flange plate can be dismounted through the mounting mechanism, so that the equipment mounting process is quicker and more convenient, the flange plate can be further fixed through the mounting plate, and the practical effect of the mechanism is improved; the adjusting mechanism is arranged, and the distance between the two flange plates can be adjusted through the adjusting mechanism, so that the mechanism can be suitable for equipment with different sizes, and the flexibility of the mechanism and the applicability to different equipment are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of ball screws, in particular to an adjustable ball screw. BACKGROUND

[0002] The ball screw is a device capable of converting rotary motion into linear motion, and the frictional resistance during conversion is very small, so the ball screw is widely used in various industrial equipment.

[0003] For the related technologies in the above, the inventors believe that there are the following problems:

[0004] Firstly, the existing ball screw needs to be taken down first when being installed with the equipment, and then installed on the equipment, and then the flange plate is installed outside the ball screw, so that the installation process is very cumbersome, and the practicality is not high.

[0005] Secondly, the existing ball does not facilitate diameter adjustment of the flange outside the screw rod, so it cannot be applied to equipment of different sizes, and the flange plate needs to be replaced when in use, so that the applicability to the size of the installed equipment is reduced.

[0006] In view of the above problems, the inventors provide an adjustable ball screw to solve the above problems. CONTENT OF THE INVENTION

[0007] In order to improve the problems that the above device needs to be taken down for installation and is not applicable to equipment of different sizes, the purpose of the present application is to provide an adjustable ball screw.

[0008] In order to solve the above problems, the present application provides the following scheme: an adjustable ball screw, comprising a screw rod body, a mounting mechanism is threadedly sleeved on the outer surface of the screw rod body, an adjusting mechanism is fixedly installed on one side of the mounting mechanism, the mounting mechanism comprises a first threaded sleeve, a thread line is engraved on the outer surface of one end of the first threaded sleeve, a first flange plate is threadedly sleeved on the outer surface of the thread line, a recess is formed in one side of the inner portion of the first flange plate, a fixing ring is movably installed in the inner portion of the recess, a second threaded sleeve is threadedly inserted into the inner portion of the fixing ring, one end of the second threaded sleeve is fixedly connected with the first threaded sleeve, a first threaded groove is formed in the inner portion of the first flange plate and is used in cooperation with the thread line, a second threaded groove is formed in the inner portion of the fixing ring and is used in cooperation with the second threaded sleeve, the screw thread direction of the thread line is opposite to that of the second threaded sleeve, one end of the third threaded sleeve away from the second flange plate is fixedly connected with the first flange plate, the first flange plate can be fixed by cooperation of the thread line and the first threaded groove, so that the first flange plate can be disassembled and installed, and the fixing ring can be fixed by cooperation of the second threaded sleeve and the second threaded groove, so that the fixing ring can more stably fix the first flange plate.

[0009] Preferably, the adjusting mechanism comprises a third threaded sleeve, one end of the third threaded sleeve is sleeved with a second flange plate, an outer surface of the third threaded sleeve is provided with a plurality of sliding grooves, an inner portion of the second flange plate is fixedly installed with a plurality of sliding blocks matched with the sliding grooves, an inner portion of one of the sliding grooves is provided with a plurality of clamping grooves, a lower inner wall of the clamping groove is fixedly installed with a spring, a top end of the spring is fixedly installed with a clamping block, a top end of the clamping block is fixedly installed with an arc-shaped block, a bottom end of one of the sliding blocks is provided with an arc-shaped groove matched with the arc-shaped block, the third threaded sleeve can be clamped through the cooperation of the arc-shaped groove and the arc-shaped block, and the third threaded sleeve can slide through the cooperation of the sliding groove and the sliding block, so that adjustment is facilitated.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The mounting mechanism is arranged, the flange plate can be disassembled through the mounting mechanism, the equipment installation process is more rapid and convenient, the flange plate can be further fixed through the mounting plate, and the practical effect of the mechanism is improved.

[0012] 2. The adjusting mechanism is arranged, the distance between the two flange plates can be adjusted through the adjusting mechanism, the mechanism can be suitable for equipment of different sizes, and the flexibility and applicability of the mechanism to different equipment are improved. DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0014] Figure 1 It is the structure schematic diagram of the utility model.

[0015] Figure 2 It is the structure schematic diagram of the mounting mechanism of the utility model.

[0016] Figure 3 It is the structure schematic diagram of the adjusting mechanism of the utility model.

[0017] Figure 4 It is the structure schematic diagram of the utility model Figure 3 The enlarged view of structure A in the utility model.

[0018] In the figure: 1. screw body; 2. mounting mechanism; 3. adjusting mechanism; 201. thread line; 202. second threaded sleeve; 203. groove; 204. fixing ring; 205. first threaded sleeve; 206. first flange plate; 207. first thread groove; 208. second thread groove; 300. arc groove; 301. second flange plate; 302. slider; 303. third threaded sleeve; 304. slide groove; 305. arc block; 306. clamping block; 307. clamping groove; 308. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example: Figures 1-4 As shown, the utility model provides an adjustable ball screw, including a screw body 1, a threaded sleeve on the outer surface of the screw body 1 is provided with a mounting mechanism 2, an adjustment mechanism 3 is fixedly installed on one side of the mounting mechanism 2, the mounting mechanism 2 includes a first threaded sleeve 205, an outer surface of one end of the first threaded sleeve 205 is engraved with a thread line 201, the outer surface thread line 201 is threaded sleeve provided with a first flange plate 206, a groove 203 is opened inside one side of the first flange plate 206, a fixing ring 204 is movably installed inside the groove 203, and a second thread is inserted into the inner thread of the fixing ring 204 The threaded sleeve 202 and the second threaded sleeve 202 are fixedly connected to one end of the first threaded sleeve 205. The thread line 201 is opposite to the thread direction of the second threaded sleeve 202. The interior of the first flange plate 206 is provided with a first thread groove 207 for use with the thread line 201. The interior of the fixing ring 204 is provided with a second thread groove 208 for use with the second threaded sleeve 202. The first flange plate 206 can be disassembled and installed by using the thread line 201 to cooperate with the first thread groove 207, and the first flange plate 206 can be fixed by the fixing ring 204.

[0021] The adjusting mechanism 3 comprises a third threaded sleeve 303, one end of the third threaded sleeve 303 is sleeved with a second flange plate 301, the end of the third threaded sleeve 303 away from the second flange plate 301 is fixedly connected with the first flange plate 206, a plurality of sliding grooves 304 are formed in the outer surface of the third threaded sleeve 303, the plurality of sliding grooves 304 are arranged in an annular array, a plurality of sliding blocks 302 used in cooperation with the sliding grooves 304 are fixedly installed in the inside of the second flange plate 301, a plurality of clamping grooves 307 are formed in the inside of one of the sliding grooves 304, a plurality of arc-shaped blocks 305 are arranged at equal intervals, springs 308 are fixedly installed on the lower inner wall of the clamping grooves 307, clamping blocks 306 are fixedly installed at the top end of the springs 308, the clamping blocks 306 are slidingly installed in the inside of the clamping grooves 307, the arc-shaped blocks 305 are fixedly installed at the top end of the clamping blocks 306, an arc-shaped groove 300 used in cooperation with the arc-shaped blocks 305 is formed in the bottom end of one of the sliding blocks 302, the second flange plate 301 can be slid by cooperation of the sliding grooves 304 and the sliding blocks 302, and the second flange plate 301 can be fixed by cooperation of the arc-shaped blocks 305 and the arc-shaped groove 300.

[0022] Working principle: first, the fixed ring 204 can be rotated, the fixed ring 204 is rotated by cooperation of the second threaded groove 208 and the second threaded sleeve 202, so that the fixed ring 204 can be disassembled, then the first flange plate 206 is rotated, the first flange plate 206 is rotated and disassembled by cooperation of the first threaded groove 207 and the threaded line 201, then the mounting part of the equipment can be sleeved on the outer surface of the first threaded sleeve 205, the first flange plate 206 is installed, and finally the fixed ring 204 is installed in the groove 203, and the first flange plate 206 is fixed;

[0023] Then the second flange plate 301 on the other side is pushed, the second flange plate 301 is compressed by the sliding blocks 302, the arc-shaped blocks 305 and the springs 308 are compressed, and the second flange plate 301 slides in the sliding grooves 304 on the outer surface of the third threaded sleeve 303, so that the second flange plate 301 is attached to the other side of the mounting part, then the springs 308 drive the clamping blocks 306 in the clamping grooves 307, the clamping blocks 306 slide to the upper inner wall of the clamping grooves 307, and the arc-shaped blocks 305 are lifted, and the second flange plate 301 is fixed by cooperation of the arc-shaped blocks 305 and the arc-shaped groove 300, then the first flange plate 206 and the second flange plate 301 can be fixedly installed with the mounting part of the equipment.

[0024] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. An adjustable ball screw, comprising a screw body (1), characterized in that: The threaded sleeve on the outer surface of the screw body (1) is provided with a mounting mechanism (2), and an adjustment mechanism (3) is fixedly mounted on one side of the mounting mechanism (2); The mounting mechanism (2) comprises a first threaded sleeve (205), one end of the first threaded sleeve (205) is engraved with a thread line (201) on its outer surface, the outer surface of the thread line (201) is threadedly sleeved with a first flange plate (206), one side of the first flange plate (206) is internally provided with a groove (203), a fixing ring (204) is movably installed inside the groove (203), the internal thread of the fixing ring (204) is threadedly inserted with a second threaded sleeve (202), and the second threaded sleeve (202) is fixedly connected to one end of the first threaded sleeve (205).

2. The adjustable ball screw according to claim 1, characterized in that: The adjusting mechanism (3) comprises a third threaded sleeve (303), one end of the third threaded sleeve (303) is sleeved with a second flange plate (301), the outer surface of the third threaded sleeve (303) is provided with a plurality of slide grooves (304), the interior of the second flange plate (301) is fixedly provided with a plurality of sliders (302) for use with the slide grooves (304), one of the slide grooves (304) is provided with a plurality of clamping grooves (307), a spring (308) is fixedly provided on the lower inner wall of the clamping groove (307), a clamping block (306) is fixedly provided on the top end of the spring (308), an arc block (305) is fixedly provided on the top end of the clamping block (306), and an arc groove (300) for use with the arc block (305) is provided on the bottom end of one of the sliders (302).

3. The adjustable ball screw according to claim 1, characterized in that: A first thread groove (207) for use with the thread line (201) is provided inside the first flange plate (206), and a second thread groove (208) for use with the second thread sleeve (202) is provided inside the fixing ring (204).

4. The adjustable ball screw according to claim 1, characterized in that: The thread line (201) is in opposite direction to the thread direction of the second threaded sleeve (202).

5. The adjustable ball screw according to claim 2, characterized in that: One end of the third threaded sleeve (303) away from the second flange plate (301) is fixedly connected to the first flange plate (206).

6. The adjustable ball screw according to claim 2, characterized in that: The clamping block (306) is slidably mounted inside the clamping slot (307).

7. The adjustable ball screw according to claim 2, characterized in that: The plurality of chutes (304) are distributed in a ring array.

8. The adjustable ball screw according to claim 2, characterized in that: The plurality of arc-shaped blocks (305) are distributed at equal intervals.

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