CN223387751U - Antiskid type combined screw - Google Patents

Abstract

The utility model discloses an anti-slip type combined screw, which relates to the technical field of combined screws and comprises a screw sleeve, wherein a screw tooth is fixedly connected to the side wall of the screw sleeve, a micro screw rod is movably arranged in the screw sleeve in a penetrating manner, one end rod wall of the micro screw rod penetrates through one end side wall of the screw sleeve and is fixedly connected with a rotating nut, the inner wall of the screw sleeve is fixedly connected with the micro screw sleeve, the inner part of the micro screw sleeve is in threaded connection with the rod wall of the micro screw rod, a connecting block is rotatably connected to the rod wall of the other end of the micro screw rod, connecting sleeves are fixedly sleeved on the side walls of two ends of the screw sleeve, a telescopic clamping plate is movably sleeved in the inner part of each connecting sleeve, and sliding mechanisms are arranged at two ends of the connecting block. The utility model realizes that the combined screw is effectively prevented from loosening and sliding in the mounting groove by the rubber anti-skid pad and the elastic washer when the heavy machine works, and the inside of the mounting groove can be continuously reinforced by rotating the nut.

Description

Antiskid type combined screw

Technical Field

The utility model relates to the technical field of combination screws, in particular to an anti-slip combination screw.

Background

A combination screw is a special screw for combining fasteners such as screws and washers, and is commonly used in various machines for connecting various components, so as to ensure the overall performance and safety between mechanical devices.

When the existing combined screw is used for fixing heavy machinery, a large amount of vibration can be generated in the heavy machinery during the working process, and the combined screw is easy to loosen and slide in the heavy machinery mounting hole due to the vibration during the fixing, so that the screw combination cannot be in a fastening state, and the stability and safety of connection cannot be ensured.

Disclosure of utility model

The present utility model has been made in view of the above-described problems with the conventional set screw.

Therefore, the utility model aims to provide an anti-slip type combined screw, which solves the problems that the combined screw is easy to loosen and slide in a heavy machinery mounting hole due to vibration during fixing, so that the screw combination cannot be in a fastening state, and the stability and the safety of connection cannot be ensured.

In order to achieve the above purpose, the anti-slip combined screw comprises a screw sleeve, wherein the side wall of the screw sleeve is fixedly connected with screw teeth, a micro screw rod is movably penetrated in the screw sleeve, one end rod wall of the micro screw rod penetrates through one end side wall of the screw sleeve and is fixedly connected with a rotating nut, the inner wall of the screw sleeve is fixedly connected with the micro screw sleeve, the interior of the micro screw sleeve is in threaded connection with the rod wall of the micro screw rod, the other end rod wall of the micro screw rod is rotationally connected with a connecting block, the two end side walls of the screw sleeve are fixedly sleeved with connecting sleeves, each connecting sleeve is movably sleeved with a telescopic clamping plate, two ends of the connecting block are respectively provided with a sliding mechanism, the two end side walls of the connecting block are respectively connected with the side walls of the corresponding telescopic clamping plate through the sliding mechanism, the side walls of the screw sleeve are fixedly sleeved with connecting rings, the two end side walls of the connecting rings are respectively provided with limiting grooves, and the two end side walls of each rotating end side wall of the connecting ring are respectively provided with a locking mechanism corresponding to the limiting groove

Preferably, the sliding mechanism comprises a first sliding rail, a second sliding rail and a sliding block, wherein the side wall of the first sliding rail is fixedly sleeved with the side wall of one end of the connecting block, the side wall of the second sliding rail is fixedly sleeved with the inside of the telescopic clamping plate, and the side walls of the two ends of the sliding block are respectively in sliding connection with the first sliding rail and the inside of the second sliding rail.

Preferably, the locking mechanism comprises a shell, a spring, a limiting plate, a connecting rod and a pressing block, wherein the side wall of the shell is fixedly sleeved with the side wall of a rotating nut, the side wall of the limiting plate is movably sleeved with the inner wall of the shell, the side walls at the two ends of the spring are respectively fixedly connected with the inner wall of the shell and one side wall of the limiting plate, one end rod wall of the connecting rod is fixedly connected with the other end side wall of the limiting plate, the other end rod wall of the connecting rod is fixedly connected with the side wall of the pressing block, and the side wall of the pressing block is connected with the side wall of the connecting ring in a clamping mode through a limiting groove.

Preferably, the side wall of each telescopic clamping plate is fixedly connected with a rubber anti-skid pad.

Further, the side wall of the screw sleeve is movably sleeved with an elastic gasket.

Preferably, a fastening groove is formed in the side wall of one end of the rotating nut.

In the technical scheme, the utility model has the technical effects and advantages that:

1. According to the utility model, the screw sleeve is driven to rotate by the rotating nut through the fastening groove, the screw threads are connected with the inner mounting groove of the heavy machine through the screw threads, when the screw sleeve is screwed, the elastic gasket is compressed to generate tight fit with the contact surface to increase the contact area, then the rotating nut is disconnected with the connecting ring by the driving locking mechanism and is driven to rotate, the micro screw rod is in threaded connection with the micro screw sleeve to drive the micro screw rod to shrink to the inner driving connecting block of the screw sleeve to move, the telescopic clamping plate is driven to move in the connecting sleeve by the sliding mechanism, and when the rotating nut is screwed, the rubber anti-skid pads at the two ends are clamped with the inner wall of the mounting groove of the heavy machine, so that the combined screw is effectively prevented from loosening and sliding in the mounting groove during operation of the heavy machine, and the inside of the mounting groove can be continuously reinforced by the rotating nut.

2. According to the utility model, when the combined screw is dismounted, the rotating nut is directly driven to reversely rotate, so that the two rubber anti-slip pads are contracted into the threaded sleeve, the miniature screw rod drives the rotating nut to move, when the pressing block corresponds to the limiting groove, the pressing block is enabled to move and be clamped with the limiting groove by utilizing the elasticity of the spring, and the rotating nut is driven to rotate until the combined screw is withdrawn from the mounting groove, so that the combined screw is convenient to dismount.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional elevation view of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the present utility model in use;

FIG. 4 is an enlarged schematic view of the portion A of FIG. 3;

Fig. 5 is an enlarged schematic view of the structure of the portion B in fig. 2.

Reference numerals illustrate:

1. A screw sleeve; 2, screw teeth, 3, a micro screw rod, 4, a rotating nut, 5, a micro screw sleeve, 6, a connecting block, 7, a connecting sleeve, 8, a telescopic clamping plate, 9, a connecting ring, 10, a limit groove, 11, a first sliding rail, 12, a second sliding rail, 13, a sliding block, 14, a shell, 15, a spring, 16, a limit plate, 17, a connecting rod, 18, a pressing block, 19, a rubber anti-skid pad, 20, an elastic washer, 21 and a fastening groove.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses an anti-slip type combination screw.

The utility model provides an anti-slip combined screw as shown in fig. 1-5, which comprises a screw sleeve 1, wherein the side wall of the screw sleeve 1 is fixedly connected with screw teeth 2, a micro screw rod 3 is movably penetrated in the screw sleeve 1, one end rod wall of the micro screw rod 3 penetrates through one end side wall of the screw sleeve 1 and is fixedly connected with a rotating nut 4, one end side wall of the rotating nut 4 is provided with a fastening groove 21, the inner wall of the screw sleeve 1 is fixedly connected with a micro screw sleeve 5, the inside of the micro screw sleeve 5 is in threaded connection with the rod wall of the micro screw rod 3, the other end rod wall of the micro screw rod 3 is rotatably connected with a connecting block 6, the side walls at two ends of the screw sleeve 1 are fixedly sleeved with connecting sleeves 7, the inside of each connecting sleeve 7 is movably sleeved with a telescopic clamping plate 8, the side wall of each telescopic clamping plate 8 is fixedly connected with a rubber anti-slip pad 19, two ends of the connecting block 6 are respectively connected with the side walls of the corresponding telescopic clamping plate 8 through the sliding mechanism, the side walls at two ends of the connecting block 6 are fixedly sleeved with a connecting ring 9, two end side walls of the connecting ring 9 respectively are respectively provided with a limiting groove 10, two end side walls of the rotating nut 4 are respectively, and two end side walls of the connecting ring 4 are respectively corresponding to the side walls of the screw sleeve 1 are provided with a locking mechanism 20.

The screw sleeve is driven to rotate by the aid of the rotating nut 4 through the fastening groove 21, the screw threads 2 are in threaded connection with the inner mounting groove of the heavy-duty machine, when the screw sleeve 1 is screwed down, the elastic gasket 20 is compressed, a tight fit is generated between the elastic gasket and the contact surface, the contact area is increased, the rotating nut 4 is disconnected with the connecting ring 9 through the driving locking mechanism, the rotating nut 4 is driven to rotate by the aid of the driving locking mechanism, the miniature screw 3 is driven to retract to the inner driving connecting block 6 of the screw sleeve by the aid of the miniature screw 3 through the threaded connection of the miniature screw sleeve 5, the telescopic clamping plate 8 is moved in the inner portion of the connecting sleeve 7 through the sliding mechanism, and when the rotating nut 4 is screwed down, the rubber anti-slip pads 19 at two ends are clamped with the inner wall of the heavy-duty machine mounting groove, so that the heavy-duty machine is effectively prevented from loosening and sliding in the inner portion of the mounting groove during operation, and the installation groove can be continuously reinforced through the rotating nut 4.

In order to enable the telescopic clamping plate 8 to move in the connecting sleeve 7, as shown in fig. 4, the sliding mechanism comprises a first sliding rail 11, a second sliding rail 12 and a sliding block 13, the side wall of the first sliding rail 11 is fixedly sleeved with the side wall of one end of the connecting block 6, the side wall of the second sliding rail 12 is fixedly sleeved with the inside of the telescopic clamping plate 8, and the side walls of two ends of the sliding block 13 are respectively in sliding connection with the inside of the first sliding rail 11 and the second sliding rail 12.

Utilize to set up first slide rail 11 and second slide rail 12, first slide rail 11 and second slide rail 12 are fixed respectively cup joints the inner wall at the inclined plane of flexible cardboard 8 and connecting block 6, and make flexible cardboard 8 and connecting block 6 interconnect through slider 13, drive connecting block 6 sets up extrusion flexible cardboard 8 through first slide rail 11 and the slope of second slide rail 12 when the inside of screw sleeve 1 is removed, make flexible cardboard 8 remove in the inside of adapter sleeve 7, through the inner wall joint of rubber slipmat 19 and heavy shape machinery mounting groove, the convenience is fixed the one end of screw sleeve.

And in order to conveniently dismantle the combination screw, as shown in fig. 5, locking mechanism includes casing 14, spring 15, limiting plate 16, connecting rod 17 and pressing block 18, the lateral wall of casing 14 is fixed cup joint with the lateral wall of rotation nut 4, the lateral wall of limiting plate 16 cup joints with the inner wall activity of casing 14, the both ends lateral wall of spring 15 respectively with the inner wall of casing 14 and the one end lateral wall fixed connection of limiting plate 16, the one end pole wall of connecting rod 17 and the other end lateral wall fixed connection of limiting plate 16, the other end pole wall of connecting rod 17 and the lateral wall fixed connection of pressing block 18, the lateral wall of pressing block 18 passes through spacing groove 10 and the lateral wall joint of go-between 9.

By arranging the pressing block 18, when the side wall of the pressing block 18 is clamped with the inside of the limit groove 10, the rotating nut 4 is driven to rotate the threaded sleeve, the pressing block 18 is pressed to compress the spring 15 to enable the connecting rod 17 to drive the pressing block 18 to shrink, when the side wall of the pressing block 18 is separated from the inside of the limit groove 10, the rotating nut 4 is driven to rotate the miniature screw rod 3, when the combined screw is dismounted, the rotating nut 4 is directly driven to reversely rotate, the two rubber anti-slip pads 19 are shrunk to the inside of the threaded sleeve, and the miniature screw rod 3 drives the rotating nut 4 to move, when the pressing block 18 corresponds to the limit groove 10, the pressing block 18 is moved to be clamped with the limit groove 10 by the elastic force of the spring 15, and the rotating nut 4 is driven to rotate the threaded sleeve until the combined screw is dismounted from the mounting groove conveniently.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The anti-slip combined screw comprises a screw sleeve (1) and is characterized in that the side wall of the screw sleeve (1) is fixedly connected with screw teeth (2), a micro screw rod (3) is movably arranged in the screw sleeve (1) in a penetrating mode, one end rod wall of the micro screw rod (3) penetrates through one end side wall of the screw sleeve (1) and is fixedly connected with a rotating nut (4), the inner wall of the screw sleeve (1) is fixedly connected with a micro screw sleeve (5), the inner portion of the micro screw sleeve (5) is in threaded connection with the rod wall of the micro screw rod (3), the other end rod wall of the micro screw rod (3) is rotationally connected with a connecting block (6), connecting sleeves (7) are fixedly sleeved on the side walls of two ends of the screw sleeve (1), telescopic clamping plates (8) are movably sleeved in the connecting sleeves (7), sliding mechanisms are arranged at two ends of the connecting blocks (6), the side walls of the two ends of the connecting blocks (6) are connected with the side walls of the corresponding telescopic clamping plates (8) through the sliding mechanisms, the side walls of the connecting rings (9) are fixedly sleeved on the side walls of the screw sleeve (1), and the two ends of the connecting rings (9) are provided with limiting grooves (10) respectively.

2. The anti-slip type combined screw as claimed in claim 1, wherein the sliding mechanism comprises a first sliding rail (11), a second sliding rail (12) and a sliding block (13), the side wall of the first sliding rail (11) is fixedly sleeved with the side wall of one end of the connecting block (6), the side wall of the second sliding rail (12) is fixedly sleeved with the inside of the telescopic clamping plate (8), and the side walls of two ends of the sliding block (13) are respectively connected with the inside of the first sliding rail (11) and the inside of the second sliding rail (12) in a sliding mode.

3. The anti-slip type combined screw as claimed in claim 1, wherein the locking mechanism comprises a shell (14), a spring (15), a limiting plate (16), a connecting rod (17) and a pressing block (18), the side wall of the shell (14) is fixedly sleeved with the side wall of the rotating nut (4), the side wall of the limiting plate (16) is movably sleeved with the inner wall of the shell (14), the side walls at two ends of the spring (15) are respectively fixedly connected with the inner wall of the shell (14) and one side wall of the limiting plate (16), one end rod wall of the connecting rod (17) is fixedly connected with the other end side wall of the limiting plate (16), the other end rod wall of the connecting rod (17) is fixedly connected with the side wall of the pressing block (18), and the side wall of the pressing block (18) is clamped with the side wall of the connecting ring (9) through the limiting groove (10).

4. The anti-slip type combination screw according to claim 1, wherein the side wall of each telescopic clamping plate (8) is fixedly connected with a rubber anti-slip pad (19).

5. The anti-slip type combination screw as claimed in claim 1, wherein the side wall of the screw sleeve (1) is movably sleeved with an elastic washer (20).

6. An anti-slip type combination screw as claimed in claim 1, wherein a fastening groove (21) is formed in a side wall of one end of the rotating nut (4).