Rapid-locking and anti-loosening metal locking strip device

Abstract

The utility model relates to the technical field of locking strips, in particular to a fast-locking and anti-loosening metal locking strip device which comprises a first support and a second support, the outer wall of the first support is fixedly connected with the second support, and an anti-loosening mechanism is arranged in the first support. The second disc drives the screw to rotate, the screw is in threaded connection with the threaded block, so that the position of the screw in the left-right direction is changed when the screw rotates, the diameter of the second disc is smaller than the inner diameter of the sleeve, the sleeve cannot affect the movement of the second disc, the screw drives the bearing seat to move, and the bearing seat drives the second trapezoidal block to move. The second trapezoid block and the second support are close to each other, the second trapezoid block and the second support drive the first trapezoid blocks to move, the first trapezoid blocks on the two sides move upwards, the two first trapezoid blocks move along the bevel edges of the second trapezoid blocks, and the two first trapezoid blocks are close to each other to fix the position needing to be locked. Locking can be achieved by rotating the nuts on the two sides.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of locking strip, concretely to quick locking and anti-loose metal locking strip device. BACKGROUND

[0002] Locking strip is a kind of fastener for fixing and connecting various components, widely used in mechanical equipment, electronic equipment and other fields, metal locking strip: made of metal material, with high strength and durability, suitable for bearing large load and long-term stable scene.

[0003] The existing known metal locking strip is generally composed of locking guide rail screw, several locking wedge blocks and locking nut, the locking wedge block can slide freely along the locking guide rail screw, the matching wedge inclined surface between the locking wedge blocks is at 45 ° angle with the axis of locking guide rail screw, the height dimension of wedge block locking device is increased by rotating locking guide rail screw to push locking wedge block axially along wedge inclined surface and move outward, until the wedge block is tightly attached to both sides of the slot wall, so that the wall surface of insert module and case channel is extruded, thereby generating enough friction force to firmly fix the insert module in the case, to achieve the purpose of locking the insert module, when the metal locking strip is used, it is more troublesome to operate, it is not convenient to quickly lock the metal locking strip, and after locking, the structure of the metal locking strip is prone to looseness when subjected to vibration or other external force, thereby reducing the locking effect of the metal locking strip. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem of not being convenient for quick locking of metal locking strip, and provides a quick locking and anti-loose metal locking strip device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] Design quick locking and anti-loose metal locking strip device, including first support and second support, the outer wall of first support is fixedly connected with second support, the inside of first support is provided with anti-loose mechanism, the anti-loose mechanism includes slide rod, nut, first disc, spring, lug and sleeve, the outer wall of slide rod is slidably connected with first support, one end of slide rod is fixedly connected with nut, the other end of slide rod is fixedly connected with first disc, the outer wall of slide rod is sleeved with spring, the both ends of spring are respectively attached with first support and first disc, the outer wall of first disc is fixedly connected with a plurality of lugs, the outer wall of first disc is slidably connected with sleeve, the sleeve is fixedly connected in the inside of first support.

[0007] Preferably, the right side of the convex block is provided with a locking mechanism, the locking mechanism comprises a groove, a second disc, a screw rod, a threaded block and a connecting block, the groove is matched with the outer wall of the convex block, the groove is arranged in the second disc, the second disc is fixedly connected with one end of the screw rod, the outer wall of the screw rod is threadedly connected with the threaded block, the outer wall of the threaded block is fixedly connected with a plurality of connecting blocks, and the plurality of connecting blocks are fixedly connected with the inner wall of the second support.

[0008] Preferably, the inside of the first support is provided with two first sliding grooves, and the first sliding grooves are slidably connected with first sliding rods.

[0009] Preferably, the two first sliding rods are fixedly connected to the outer wall of the first trapezoidal block, and the outer wall of the first trapezoidal block is attached to the second support.

[0010] Preferably, the outer wall of the first trapezoidal block is fixedly connected with two second sliding rods, and the outer wall of the second sliding rod is slidably connected with the second sliding groove.

[0011] Preferably, the second sliding groove is arranged in the second trapezoidal block, and the outer wall of the second trapezoidal block is attached to the first trapezoidal block.

[0012] Preferably, the inside of the second trapezoidal block is fixedly connected with a bearing seat.

[0013] Preferably, the bearing seat is rotatably connected with the outer wall of the other end of the screw rod through a bearing.

[0014] The metal locking strip device capable of being quickly locked and preventing loosening has the beneficial effects that:

[0015] Through cooperation between the groove, the second disc, the screw rod, the threaded block and the connecting block, the wrench is used to rotate the two side nuts, the nuts drive the sliding rods to rotate, the sliding rods drive the first disc to rotate, the first disc drives the second disc to rotate through the convex block and the groove, the second disc drives the screw rod to rotate, the screw rod is threadedly connected with the threaded block, so that the position of the screw rod changes in the left-right direction when the screw rod rotates, the diameter of the second disc is smaller than the inner diameter of the sleeve, and the sleeve does not affect the movement of the second disc, the screw rod drives the bearing seat to move, the bearing seat drives the second trapezoidal block to move, the second trapezoidal block and the second support are close to each other, the second trapezoidal block and the second support drive the first trapezoidal block to move, the two first trapezoidal blocks move upward, and the two first trapezoidal blocks move along the oblique edges of the second trapezoidal block, the two first trapezoidal blocks are close to each other to fix the position to be locked, the locking can be realized by rotating the two side nuts, and the operation is relatively simple, so that the metal locking strip can be quickly locked.

[0016] Through cooperation between the slide rod, the nut, the first disc, the spring, the protruding block and the sleeve, when the protruding block is inserted into the inside of the groove, the spring elastically makes the first disc extrude the second disc, so that the threaded block has a force moving to the direction of the screw rod, the threads between the threaded block and the screw rod are tightly combined and compressed, relative displacement between the screw rod and the threaded block under the action of inertia is avoided, and then the anti-loose effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural sectional view of the utility model;

[0019] Figure 3 It is a structural schematic view of the connection between the groove, the second disc and the screw rod in the utility model;

[0020] Figure 4 It is a structural schematic view of the connection between the slide rod, the nut and the spring in the utility model;

[0021] Figure 5 It is a structural schematic view of the connection between the first disc and the protruding block in the utility model;

[0022] Figure 6 It is a structural schematic view of the connection between the groove and the second disc in the utility model;

[0023] Figure 7 It is a structural schematic view of the connection between the second slide groove and the second trapezoidal block in the utility model;

[0024] Figure 8 It is a structural schematic view of the connection between the first slide strip, the first trapezoidal block and the second slide strip in the utility model.

[0025] In the drawing: 1, first support, 2, second support, 3, anti-loose mechanism, 301, slide rod, 302, nut, 303, first disc, 304, spring, 305, protruding block, 306, sleeve, 4, locking mechanism, 401, groove, 402, second disc, 403, screw rod, 404, threaded block, 405, connecting block, 5, first slide groove, 6, first slide strip, 7, first trapezoidal block, 8, second slide strip, 9, second slide groove, 10, second trapezoidal block, 11, bearing seat. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with the drawings:

[0027] Refer to the drawingsFigures 1-8 In the embodiment, the quick locking and anti-loosening metal locking strip device comprises a first support 1 and a second support 2, the outer wall of the first support 1 is fixedly connected with the second support 2, the structure of the second trapezoidal block 10 on the left and right sides is symmetrically arranged, the inside of the first support 1 is provided with an anti-loosening mechanism 3, the anti-loosening mechanism 3 avoids loosening of the metal locking strip, the anti-loosening mechanism 3 comprises a sliding rod 301, a nut 302, a first disc 303, a spring 304, a protrusion 305 and a sleeve 306, the outer wall of the sliding rod 301 is slidably connected with the first support 1, one end of the sliding rod 301 is fixedly connected with the nut 302, the nut 302 drives the sliding rod 301 to move, the other end of the sliding rod 301 is fixedly connected with the first disc 303, the sliding rod 301 drives the first disc 303 to move, the outer wall of the sliding rod 301 is sleeved with the spring 304, the model of the spring 304 is selected according to actual use requirements, and the working requirements can be met, the spring 304 is in a compressed state in the drawing, the two ends of the spring 304 are respectively attached to the first support 1 and the first disc 303, the spring 304 can drive the first disc 303 to move under the elastic action, the outer wall of the first disc 303 is fixedly connected with a plurality of protrusions 305, the first disc 303 drives the plurality of protrusions 305 to move, the outer wall of the first disc 303 is slidably connected with the sleeve 306, the first disc 303 slides in the inside of the sleeve 306, the sleeve 306 plays a guiding role in the movement of the first disc 303, and the sleeve 306 is fixedly connected in the inside of the first support 1.

[0028] When the protrusion 305 is inserted into the inside of the groove 401, the spring 304 makes the first disc 303 extrude the second disc 402 under the elastic action, the screw rod 403 has a force moving to the threaded block 404, the threads between the threaded block 404 and the screw rod 403 are tightly attached and compressed, the relative displacement between the screw rod 403 and the threaded block 404 is avoided under the inertial action, and the anti-loosening effect is realized, after the metal locking strip is locked, the structure of the metal locking strip is not easy to loosen when subjected to vibration or other external force, and the locking effect of the metal locking strip is improved.

[0029] The right side of the convex block 305 is provided with a locking mechanism 4, the locking mechanism 4 drives two first trapezoidal blocks 7 to realize the locking of the metal locking strip, the locking mechanism 4 comprises a groove 401, a second disc 402, a screw rod 403, a threaded block 404 and a connecting block 405, the groove 401 is matched with the outer wall of the convex block 305 in a gap, the convex block 305 can be inserted into the inside of the groove 401, the groove 401 is arranged in the inside of the second disc 402, the convex block 305 drives the second disc 402 through the groove 401, the second disc 402 is fixedly connected with one end of the screw rod 403, the second disc 402 drives the screw rod 403 to rotate, the outer wall of the screw rod 403 is threadedly connected with the threaded block 404, the position of the screw rod 403 changes in the left-right direction when rotating, the outer wall of the threaded block 404 is fixedly connected with a plurality of connecting blocks 405, the plurality of connecting blocks 405 are fixedly connected with the inner wall of the second support 2, and the plurality of connecting blocks 405 fix the threaded block 404 in the inside of the second support 2;

[0030] The nut 302 on the two sides is rotated by using a wrench, the sliding rod 301 is driven to rotate by the nut 302, the first disc 303 is driven to rotate by the sliding rod 301, the second disc 402 is driven to rotate by the first disc 303 through the convex block 305 and the groove 401, the screw rod 403 is driven to rotate by the second disc 402, the screw rod 403 is threadedly connected with the threaded block 404, so that the position of the screw rod 403 changes in the left-right direction when rotating (the diameter of the second disc 402 is smaller than the inner diameter of the sleeve 306, and the sleeve 306 does not affect the movement of the second disc 402), the bearing seat 11 is driven to move by the screw rod 403, the second trapezoidal block 10 is driven to move by the bearing seat 11, the second trapezoidal block 10 and the second support 2 are close to each other, the first trapezoidal block 7 is driven to move by the second trapezoidal block 10 and the second support 2, the first trapezoidal blocks 7 on the two sides are all moved upward, and the two first trapezoidal blocks 7 move along the inclined edges of the second trapezoidal block 10, the two first trapezoidal blocks 7 are close to each other to fix the position to be locked, the locking can be realized by rotating the nuts 302 on the two sides, and the operation is relatively simple, so that the metal locking strip can be quickly locked.

[0031] The first support 1 is internally provided with two first sliding grooves 5, the interiors of the first sliding grooves 5 are slidably connected with first sliding strips 6, the first sliding strips 6 slide in the interiors of the first sliding grooves 5, both the first sliding strips 6 are fixedly connected to the outer wall of a first trapezoidal block 7, the first trapezoidal block 7 moves together with the two first sliding strips 6, the outer wall of the first trapezoidal block 7 is attached to the second support 2, the outer wall of the first trapezoidal block 7 is fixedly connected with two second sliding strips 8, the first trapezoidal block 7 drives the two second sliding strips 8 to move, the outer wall of the second sliding strip 8 is slidably connected with a second sliding groove 9, the second sliding strip 8 slides in the interior of the second sliding groove 9, the second sliding groove 9 is arranged in the interior of a second trapezoidal block 10, the outer wall of the second trapezoidal block 10 is attached to the first trapezoidal block 7, a bearing seat 11 is fixedly connected in the interior of the second trapezoidal block 10, the structures of the left and right sides of the second trapezoidal block 10 are symmetrically arranged, the position of the bearing seat 11 relative to the second trapezoidal block 10 is fixed, the bearing seat 11 is rotatably connected with the outer wall of the other end of the screw rod 403 through a bearing, and the bearing seat 11 supports the screw rod 403.

[0032] Working principle:

[0033] When the metal locking strip is in use, the nut 302 is pulled, the nut 302 drives the sliding rod 301 to slide, the sliding rod 301 drives the first disc 303 to move, the sleeve 306 supports and guides the movement of the first disc 303, so that the first disc 303 is prevented from tilting during movement, the first disc 303 compresses the spring 304, the nut 302 is released, and the spring 304 drives the first disc 303 to move reversely under the elastic action, the first disc 303 drives the protrusion 305 to move, the protrusion 305 is in contact with the surface of the second disc 402, the nut 302 is rotated, and then the protrusion 305 is rotated, when the protrusion 305 is rotated to the position corresponding to the groove 401, the protrusion 305 is inserted into the interior of the groove 401 under the elastic action of the spring 304;

[0034] Locking stage:

[0035] Make the second trapezoidal block 10 with the need to lock the corresponding position, using the wrench to rotate both sides of the nut 302, nut 302 driven slide bar 301 rotation, slide bar 301 drive the first disc 303 rotation, the first disc 303 through the protrusion 305 and the recess 401 drive the second disc 402 rotation, the second disc 402 driven screw 403 rotation, screw 403 and threaded block 404 screw connection, so the screw 403 in rotation left and right direction position changes (the diameter of the second disc 402 is less than the inner diameter of the sleeve 306, sleeve 306 will not affect the movement of the second disc 402), screw 403 driven bearing seat 11 movement, bearing seat 11 driven second trapezoidal block 10 movement, the second trapezoidal block 10 and the second support 2 close to each other, the second trapezoidal block 10 and the second support 2 drive the first trapezoidal block 7 movement, both sides of the first trapezoidal block 7 are upward movement, and two first trapezoidal block 7 along the oblique side of the second trapezoidal block 10 movement, two first trapezoidal block 7 close to each other will need to be locked in position to fix, by rotating both sides of the nut 302 can realize locking, operation is relatively simple, it is convenient for the metal locking strip to lock quickly;

[0036] Anti-loose stage:

[0037] The protrusion 305 is inserted into the recess 401 inside, the spring 304 is elastically pressed to the second disc 402, so that the screw 403 has a force to the threaded block 404 direction, so that the threaded block 404 and the screw 403 between the thread is tightly fitted and compressed, avoid the relative displacement between the screw 403 and the threaded block 404 under the action of inertia, and then realize the effect of anti-loose, the metal locking strip after locking, the structure of the metal locking strip is subjected to vibration or other external force, the metal locking strip is not easy to loosen, thereby improving the locking effect of the metal locking strip, the structure in the device is made of metal, thereby realizing the metal locking strip of quick locking and anti-loose.

[0038] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of claims.

Claims

1. A quick locking and anti-loosening metal locking strip device, comprising a first support (1) and a second support (2), the outer wall of the first support (1) is fixedly connected with the second support (2), characterized in that: The inside of the first support (1) is provided with an anti-loosening mechanism (3), the anti-loosening mechanism (3) comprises a sliding rod (301), a nut (302), a first disc (303), a spring (304), a protrusion (305) and a sleeve (306), the outer wall of the sliding rod (301) is slidably connected with the first support (1), one end of the sliding rod (301) is fixedly connected with the nut (302), the other end of the sliding rod (301) is fixedly connected with the first disc (303), the outer wall of the sliding rod (301) is sleeved with the spring (304), the two ends of the spring (304) are respectively attached to the first support (1) and the first disc (303), the outer wall of the first disc (303) is fixedly connected with a plurality of protrusions (305), the outer wall of the first disc (303) is slidably connected with the sleeve (306), and the sleeve (306) is fixedly connected in the inside of the first support (1).

2. The quick locking and anti-loosening metal locking strip device according to claim 1, characterized in that: The right side of the protrusion (305) is provided with a locking mechanism (4), the locking mechanism (4) comprises a groove (401), a second disc (402), a screw rod (403), a threaded block (404) and a connecting block (405), the groove (401) is clearance-fitted with the outer wall of the protrusion (305), the groove (401) is arranged in the inside of the second disc (402), the second disc (402) is fixedly connected with one end of the screw rod (403), the outer wall of the screw rod (403) is threadedly connected with the threaded block (404), the outer wall of the threaded block (404) is fixedly connected with a plurality of connecting blocks (405), and the plurality of connecting blocks (405) are fixedly connected with the inner wall of the second support (2).

3. The quick locking and anti-loosening metal locking strip device according to claim 1, characterized in that: The inside of the first support (1) is provided with two first sliding grooves (5), and the inside of the first sliding groove (5) is slidably connected with a first sliding bar (6).

4. The quick locking and anti-loosening metal locking strip device according to claim 3, characterized in that: Both the first sliding bars (6) are fixedly connected to the outer wall of a first trapezoidal block (7), and the outer wall of the first trapezoidal block (7) is attached to the second support (2).

5. The quick locking and anti-loosening metal locking strip device according to claim 4, characterized in that: The outer wall of the first trapezoidal block (7) is fixedly connected with two second sliding bars (8), and the outer wall of the second sliding bar (8) is slidably connected with a second sliding groove (9).

6. The quick locking and anti-loosening metal locking strip device according to claim 5, characterized in that: The second sliding groove (9) is arranged in the inside of a second trapezoidal block (10), and the outer wall of the second trapezoidal block (10) is attached to the first trapezoidal block (7).

7. The quick locking and anti-loosening metal locking strip device according to claim 6, characterized in that: The inside of the second trapezoidal block (10) is fixedly connected with a bearing seat (11).

8. The quick locking and anti-loosening metal locking strip device according to claim 7, characterized in that: The bearing seat (11) is rotatably connected with the outer wall of the other end of the screw rod (403) through a bearing.

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