Anti-loosening bolt and nut assembly

Abstract

The utility model provides an anti-loosing bolt and nut assembly, which belongs to the field of bolts and comprises a threaded rod, a rotating block is fixedly arranged at one end of the threaded rod, a nut body is in threaded connection with the threaded rod, a through groove is formed in the threaded rod in a penetrating manner, a supporting plate is movably arranged in the through groove, and the nut body is connected with the supporting plate. A dismounting plate is arranged on the supporting plate, and positioning assemblies are arranged at the two ends of one side of the supporting plate; the positioning assembly comprises a clamping column, a clamping block, a movable rod, a connecting rod and a spring. The positioning assembly is arranged, the threaded rod and the nut body can be stably positioned, looseness of the nut body is avoided, the supporting plate can be rapidly and conveniently taken out, positioning can be removed conveniently, stability is improved, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to an anti-loosening bolt and nut assembly. Background Art

[0002] A bolt is a mechanical part, a cylindrical threaded fastener that is matched with a nut. It is a type of fastener consisting of a head and a screw. The screw is a cylinder with an external thread that needs to be matched with a nut to fasten two parts with through holes. This type of connection is called a bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.

[0003] Most of the bolts and nuts in the prior art lack positioning devices. Since mechanical equipment is often accompanied by vibration when in use, the bolts and nuts will gradually loosen after long-term use, so that staff often need to check and maintain them, which is inconvenient to use and reduces safety and practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a bolt and nut assembly that prevents loosening.

[0005] The embodiment of the utility model provides an anti-loosening bolt and nut assembly, comprising:

[0006] A threaded rod, one end of which is fixedly provided with a rotating block, a nut body is threadedly connected to the threaded rod, a through slot is penetrated through the threaded rod, a support plate is movably provided in the through slot, a disassembly plate is provided on the support plate, and positioning components are provided at both ends of one side of the support plate;

[0007] The positioning assembly includes a clamping column, a clamping block, a movable rod, a connecting rod and a spring. The clamping column is fixedly arranged on one side of the support plate, a chamber is arranged in the clamping column, a sliding hole is arranged on one side of the clamping column through the chamber, the clamping block is slidably arranged in the sliding hole, the movable rod slides through the support plate and the top of the clamping column and extends into the chamber, the top of the movable rod is fixedly arranged on the bottom of the disassembly plate, one end of the connecting rod is hingedly connected to the bottom of the movable rod, and the other end of the connecting rod is hingedly connected to the inner side of the clamping block.

[0008] Furthermore, a limit plate is fixedly arranged on the movable rod, the limit plate is slidably arranged in the chamber, a spring is fixedly arranged on the limit plate, the other end of the spring is fixedly arranged on the inner top of the chamber, and the movable rod penetrates the spring and is movably arranged.

[0009] Furthermore, a plurality of clamping holes are provided on the nut body, the plurality of clamping holes are evenly distributed around the circumference, and the plurality of clamping holes are all arranged in cooperation with the clamping columns.

[0010] Furthermore, a plurality of the clamping holes are provided with clamping grooves on their inner sides, and the plurality of the clamping grooves are evenly distributed around the circumference.

[0011] Furthermore, the bottoms of the two card blocks are both arranged in an inclined surface, and the plurality of card slots are arranged in cooperation with the card blocks.

[0012] Furthermore, the rotating block is arranged in a hexagonal column shape, and a cross groove is provided on the outer side of the rotating block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] A positioning assembly is provided, and the support plate and the disassembly plate are inserted into the through slots, and at the same time, the two clamping columns are inserted into the corresponding clamping holes. The corresponding clamping holes squeeze the inclined surfaces of the two clamping blocks, and the two clamping blocks are pushed into the chamber to squeeze the two springs. When the two clamping blocks are moved to be flush with the corresponding clamping slots, the two springs can drive the clamping blocks to reset through the connecting rods and clamp them into the clamping slots. The working principles of the two ends are the same. The support plate can be fixed by the two clamping blocks, and the support plate can fix the nut body to prevent the nut body from loosening.

[0015] A disassembly plate is provided. When the disassembly plate is pulled outward, the disassembly plate drives the two movable rods to move outward. The two movable rods can drive the corresponding card blocks to move inward through two connecting rods and separate from the corresponding card slots. At this time, the two card columns and the support plate can be removed. The operation is simple, fast and easy to use.

[0016] In summary, the utility model is provided with a positioning assembly, which can stably position the threaded rod and the nut body to prevent the nut body from loosening, and can also quickly and conveniently remove the support plate to facilitate positioning, improve stability, and increase practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereoscopic diagram of an anti-loosening bolt and nut assembly described in an embodiment of the utility model.

[0018] Figure 2 It is a stereoscopic diagram of different viewing angles of an anti-loosening bolt and nut assembly described in an embodiment of the utility model.

[0019] Figure 3 It is a stereoscopic view of a nut body in an anti-loosening bolt and nut assembly described in an embodiment of the utility model.

[0020] Figure 4 It is a cross-sectional view of a positioning assembly in an anti-loosening bolt and nut assembly described in an embodiment of the utility model.

[0021] In the above drawings: 1 threaded rod, 2 rotating block, 3 cross groove, 4 nut body, 5 through groove, 6 support plate, 7 clamping column, 8 chamber, 9 sliding hole, 10 clamping block, 11 movable rod, 12 connecting rod, 13 limit plate, 14 spring, 15 disassembly plate, 16 clamping hole, 17 clamping groove. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-Figure 4 As shown, the embodiment of the utility model provides an anti-loosening bolt and nut assembly, comprising:

[0024] A threaded rod 1, a rotating block 2 is fixedly arranged at one end of the threaded rod 1, the rotating block 2 is arranged in a hexagonal prism shape, a cross slot 3 is provided on the outer side of the rotating block 2, so that the staff can rotate the threaded rod 1 by various tools such as a wrench and a screwdriver, providing a variety of rotation methods, which is easy to use, a nut body 4 is threadedly connected to the threaded rod 1, a through slot 5 is penetrated on the threaded rod 1, a support plate 6 is movably arranged in the through slot 5, a disassembly plate 15 is arranged on the support plate 6, and positioning components are arranged at both ends of one side of the support plate 6;

[0025] The positioning assembly includes a clamping column 7, a clamping block 10, a movable rod 11, a connecting rod 12 and a spring 14. The clamping column 7 is fixedly arranged on one side of the support plate 6. A plurality of clamping holes 16 are opened on the nut body 4. The plurality of clamping holes 16 are evenly distributed on the circumference. The plurality of clamping holes 16 are all arranged in cooperation with the clamping column 7, so that the clamping column 7 can be clamped into the plurality of clamping holes 16.

[0026] A chamber 8 is provided in the card column 7, and a sliding hole 9 is provided on one side of the card column 7 through the chamber 8. A card block 10 is slidably provided in the sliding hole 9, and the card block 10 is slidably provided against the inner wall of the sliding hole 9, so that the card block 10 can only slide back and forth in the sliding hole 9 and cannot rotate. The bottoms of the two card blocks 10 are both inclined, so that the card hole 16 squeezes the inclined surface of the card block 10, and the card block 10 can be pushed into the chamber 8. The inner sides of several card holes 16 are provided with card grooves 17, and the several card grooves 17 are evenly distributed on the circumference. The several card grooves 17 are all provided in cooperation with the card block 10, so that the card block 10 can be inserted into the several card grooves 17;

[0027] The movable rod 11 is slidably arranged through the top of the support plate 6 and the clamping column 7 and extends into the chamber 8. The top of the movable rod 11 is fixedly arranged at the bottom of the disassembly plate 15. One end of the connecting rod 12 is hingedly connected to the bottom of the movable rod 11, and the other end of the connecting rod 12 is hingedly connected to the inner side of the clamping block 10, so that when the movable rod 11 moves up and down, the clamping block 10 can be driven to move back and forth left and right through the connecting rod 12;

[0028] A limit plate 13 is fixedly arranged on the movable rod 11, and the limit plate 13 is slidably arranged in the chamber 8. A spring 14 is fixedly arranged on the limit plate 13, and the other end of the spring 14 is fixedly arranged on the inner top of the chamber 8. The movable rod 11 penetrates the spring 14 and is movably arranged. The spring 14 can drive the movable rod 11 to move downward, thereby driving the block 10 to move outward and reset.

[0029] The detailed working process of the utility model is as follows:

[0030] During installation, the staff first fixes the device to be connected by the threaded rod 1, the rotating block 2 and the nut body 4, and then inserts the support plate 6 and the disassembly plate 15 into the through groove 5, and inserts the two clamping columns 7 into the corresponding clamping holes 16 at the same time, and presses the support plate 6 to make the corresponding clamping holes 16 squeeze the inclined surface of the clamping block 10, and push the clamping block 10 into the chamber 8. The clamping block 10 drives the movable rod 11 to move upward through the connecting rod 12, squeezing the spring 14. When the clamping block 10 moves to be flush with the corresponding clamping slot 17, the spring 14 drives the clamping block 10 to reset through the connecting rod 12, and the clamping block 10 is inserted into the clamping slot 17 to complete the positioning. The working principles of both ends are the same;

[0031] During disassembly, the staff pulls the disassembly plate 15 outward, and the disassembly plate 15 drives the two movable rods 11 to move outward. The two movable rods 11 drive the corresponding card blocks 10 to move inward through the two connecting rods 12 and separate from the corresponding card slots 17. At this time, the two card columns 7 can be pulled out to complete the disassembly.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An anti-loosening bolt and nut assembly, characterized in that: include: A threaded rod (1), a rotating block (2) being fixedly provided at one end of the threaded rod (1), a nut body (4) being threadedly connected to the threaded rod (1), a through slot (5) being provided through the threaded rod (1), a support plate (6) being movably provided in the through slot (5), a disassembly plate (15) being provided on the support plate (6), and positioning components being provided at both ends of one side of the support plate (6); The positioning assembly comprises a clamping column (7), a clamping block (10), a movable rod (11), a connecting rod (12) and a spring (14); the clamping column (7) is fixedly arranged on one side of the support plate (6); a chamber (8) is arranged in the clamping column (7); a sliding hole (9) is arranged on one side of the clamping column (7) and passes through the chamber (8); the clamping block (10) is slidably arranged in the sliding hole (9); the movable rod (11) passes through the support plate (6) and the top of the clamping column (7) and is slidably arranged and extends into the chamber (8); the top of the movable rod (11) is fixedly arranged on the bottom of the disassembly plate (15); one end of the connecting rod (12) is hingedly connected to the bottom of the movable rod (11); and the other end of the connecting rod (12) is hingedly connected to the inner side of the clamping block (10).

2. The anti-loosening bolt and nut assembly according to claim 1, characterized in that: in: A limit plate (13) is fixedly arranged on the movable rod (11), and the limit plate (13) is slidably arranged in the chamber (8). A spring (14) is fixedly arranged on the limit plate (13), and the other end of the spring (14) is fixedly arranged on the inner top of the chamber (8). The movable rod (11) penetrates the spring (14) and is movably arranged.

3. The anti-loosening bolt and nut assembly according to claim 1, characterized in that: in: The nut body (4) is provided with a plurality of clamping holes (16), the plurality of clamping holes (16) are evenly distributed around the circumference, and the plurality of clamping holes (16) are all arranged in cooperation with the clamping column (7).

4. The anti-loosening bolt and nut assembly according to claim 3, characterized in that: in: A plurality of the clamping holes (16) are provided with clamping grooves (17) on their inner sides, and the plurality of the clamping grooves (17) are evenly distributed around the circumference.

5. The anti-loosening bolt and nut assembly according to claim 4, characterized in that: in: The bottoms of the two clamping blocks (10) are both arranged in an inclined surface, and the plurality of clamping slots (17) are arranged in cooperation with the clamping blocks (10).

6. The anti-loosening bolt and nut assembly according to claim 1, characterized in that: in: The rotating block (2) is arranged in a hexagonal column shape, and a cross groove (3) is provided on the outer side of the rotating block (2).

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