Bolt device with locking function

Abstract

The bolt device with the locking function comprises a bolt body, a nut is connected to the outer wall of the bolt body in a threaded mode, a nut is installed at the end of the bolt body in a threaded mode, a second gasket is installed on the bottom wall of the nut in a sliding mode, and a connecting frame is fixedly installed on the bottom wall of the nut through a connecting mechanism. An adjusting rod is slidably mounted in the connecting frame, and a pressing block is fixedly mounted at the end of the adjusting rod. The adjusting rod, the reset spring, the locking block and other assemblies are arranged, the adjusting rod is pulled to drive the locking block to be separated from the inner wall of the bolt body, under the action of the reset spring, the locking block can be locked in the threaded face outside the bolt body, and therefore the locking function is achieved at the outer end of the nut. The first gasket is matched with the anti-loosening thorns on the outer wall of the first gasket, so that the nut can be firmly locked at the outer end of the bolt body, the locking use effect of the workpiece is improved, and loosening caused by long-time friction between the bolt body and the workpiece can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt technical field especially bolt device with locking function. BACKGROUND

[0002] Bolt is mechanical part, and is cylindrical fastener with nut and thread, which is composed of head and screw rod (cylinder with external thread) two parts, needs to cooperate with nut, is used for fastening connection of two parts with through hole, and the connection form is called bolt connection, such as bolt nut is rotated down from the bolt, and the two parts can be separated, so the bolt connection belongs to detachable connection.

[0003] Bolt is the most common fastener, which is locked and fixed to the surface of the assembled part through thread adjustment, but in the prior art, the friction of the majority of conventional fastener thread connection outside can make the fastener drive the workpiece to loosen, and long-time rotation and friction can eventually lead to the falling of the fastener and the workpiece, so the utility is insufficient, and therefore it is necessary to redesign the bolt device with locking function in view of the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art and provides a bolt device with locking function.

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

[0006] The bolt device with locking function comprises a bolt body, a nut is connected to the outer wall of the bolt body in a threaded manner, a nut cap is installed at the end of the bolt body in a threaded manner, a second gasket is installed on the bottom wall of the nut cap in a sliding manner, an adapter frame is fixedly installed on the bottom wall of the nut through an adapter mechanism, an adjusting rod is installed in the adapter frame in a sliding manner, a pressing block is fixedly installed at the end of the adjusting rod, a limiting plate is fixedly installed on the outer wall of the adjusting rod, a return spring is fixedly installed on the outer wall of the adjusting rod, the two ends of the return spring are elastically connected with the inner wall of the adapter frame and the outer wall of the limiting plate respectively, a locking block is fixedly installed on the outer wall of the adjusting rod, a fixed pin is installed on the upper end surface of the second gasket through two supporting plates respectively, a hole matched with the same side fixed pin is formed in the outer wall of the two fixed plates, a knob is fixedly installed at the end of the two fixed pins, and the inner wall of the two knobs is connected with the outer wall of the supporting plate through a fixing mechanism.

[0007] Preferably, the adapter mechanism comprises an adapter plate fixedly installed on the bottom wall of the nut, and the outer wall of the adapter plate is fixedly connected with the outer wall of the adapter frame.

[0008] Preferably, the fixing mechanism comprises a fixing spring fixedly installed on the outer wall of the fixed pin, and the two ends of the fixing spring are elastically connected with the inner wall of the knob and the outer wall of the supporting plate respectively.

[0009] Preferably, the nut upper end surface is slidably mounted with a first gasket, and the first gasket and the second gasket are both metal materials.

[0010] Preferably, the first gasket and the second gasket are both externally mounted with a plurality of anti-loosening spikes, and each anti-loosening spike is conical.

[0011] Preferably, the second gasket upper end surface is slidably mounted with a protective frame, and the protective frame external wall is fixedly mounted with two fixed plates.

[0012] The utility model discloses the beneficial effects of:

[0013] 1. By setting adjusting lever, reset spring and locking block etc. Component, pull adjusting lever can drive locking block and bolt body inner wall separation, under the action of reset spring, can let locking block lock in the screw thread face inside the bolt body outside, thereby form locking function at the outer end of nut, and through the cooperation of the first gasket and the plurality of anti-loosening spikes of its outer wall, can make the nut firmly lock in the outer end of bolt body, improve the locking use effect of the workpiece, thereby can avoid the long-time friction between bolt body and workpiece and produce loosening.

[0014] 2. By setting fixed pin, push block and fixed spring etc. Component, push push block and make it drive fixed pin from the insertion hole, thereby can remove the fixed of fixed plate, then can realize the convenient replacement of protective frame, and fixed spring can play the fixed effect of fixed pin, prevent the separation of protective frame, thereby ensure the fixed effect of protective frame. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of bolt device with locking function that the utility model provides;

[0016] Figure 2 It is the side view structural schematic diagram of bolt device with locking function that the utility model provides;

[0017] Figure 3 It is Figure 1 The vertical section structural schematic diagram;

[0018] Figure 4 It is Figure 2 The structure enlarged schematic diagram of A in;

[0019] Figure 5 It is Figure 2 The structure enlarged schematic diagram of B in.

[0020] In the figure: 1 bolt body, 2 nut, 3 nut cap, 4 first gasket, 5 second gasket, 6 adapter plate, 7 adapter frame, 8 adjusting rod, 9 pressing block, 10 limiting plate, 11 return spring, 12 locking block, 13 protective frame, 14 fixed plate, 15 support plate, 16 fixed pin, 17 dial block, 18 fixed spring. DETAILED DESCRIPTION

[0021] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Reference Figures 1-5 The bolt device with locking function comprises a bolt body 1, a nut 2 is threadedly connected to the outer wall of the bolt body 1, a nut cap 3 is threadedly installed at the end of the bolt body 1, a first gasket 4 is slidably installed on the upper end surface of the nut 2, a second gasket 5 is slidably installed on the bottom wall of the nut cap 3, the first gasket 4 and the second gasket 5 are both made of metal material, have high strength and temperature resistance, and are suitable for high-temperature, high-pressure and frequently loaded environments, a plurality of anti-loosening spikes are installed on the outer walls of the first gasket 4 and the second gasket 5, each anti-loosening spike is conical, an adapter frame 7 is fixedly installed on the bottom wall of the nut 2 through an adapter mechanism, the adapter mechanism comprises an adapter plate 6 fixedly installed on the bottom wall of the nut 2, the outer wall of the adapter plate 6 is fixedly connected with the outer wall of the adapter frame 7, an adjusting rod 8 is slidably installed in the adapter frame 7, a pressing block 9 is fixedly installed at the end of the adjusting rod 8, a limiting plate 10 is fixedly installed on the outer wall of the adjusting rod 8, a return spring 11 is fixedly installed on the outer wall of the adjusting rod 8, the two ends of the return spring 11 are elastically connected with the inner wall of the adapter frame 7 and the outer wall of the limiting plate 10 respectively, and a locking block 12 is fixedly installed on the outer wall of the adjusting rod 8.

[0023] A protective frame 13 is slidably installed on the upper end surface of the second gasket 5, two fixed plates 14 are fixedly installed on the outer wall of the protective frame 13, a fixed pin 16 is slidably installed on the upper end surface of the second gasket 5 through two support plates 15, the fixed pin 16 is also called a positioning pin, is mainly used for fixing and positioning the relative positions between two or more parts, and preventing relative movement, the outer walls of the two fixed plates 14 are both provided with insertion holes matched with the same side fixed pin 16, a dial block 17 is fixedly installed at the end of each fixed pin 16, and the inner walls of the two dial blocks 17 are connected with the outer walls of the support plates 15 through a fixing mechanism, the fixing mechanism comprises a fixed spring 18 fixedly installed on the outer wall of the fixed pin 16, and the two ends of the fixed spring 18 are elastically connected with the inner wall of the dial block 17 and the outer wall of the support plate 15 respectively.

[0024] The utility model discloses a locking function is formed to the outer end of nut 2 through the cooperation of first gasket 4 and the multiple anti-loosening thorn of its outer wall, can make nut 2 firmly lock in the outer end of bolt body 1, has improved the locking use effect of the work piece, thereby can avoid the looseness of bolt body 1 and work piece between long -term friction and produce,

[0025] At the same time, the nut 3 can be protected by the protection frame 13, and the surface of the nut 3 is prevented from being naturally corroded by wind and rain for a long time outdoors, so that the fixing strength of the bolt as a whole is affected. When it is necessary to disassemble and replace the protection frame 13, the push block 17 can be pushed to drive the fixing pin 16 to move out of the insertion hole, so that the fixing of the fixing plate 14 is released. Then, the protection frame 13 can be conveniently replaced. The fixing spring 18 can fix the fixing pin 16, preventing the protection frame 13 from being separated, so as to ensure the fixing effect of the protection frame 13. Therefore, the service life of the entire bolt device can be prolonged.

[0026] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. Bolt device with locking function, comprising a bolt body (1), characterized in that, The bolt body (1) outer wall is connected with nut (2), the bolt body (1) end is threadedly installed with nut (3), the nut (3) bottom wall is slidably installed with second gasket (5), the nut (2) bottom wall is fixedly installed with the link frame (7) through the link mechanism, the link frame (7) inside is slidably installed with adjusting rod (8), the adjusting rod (8) end is fixedly installed with pressing block (9), the adjusting rod (8) outer wall is fixedly installed with limit plate (10), the adjusting rod (8) outer wall is fixedly installed with return spring (11), the return spring (11) both ends are respectively elastically connected with link frame (7) inner wall and limit plate (10) outer wall, the adjusting rod (8) outer wall is fixedly installed with locking block (12), the second gasket (5) upper end face is slidably installed with fixed pin (16) through two support plates (15), two fixed plates (14) outer wall are all provided with the insertion hole matched with the fixed pin (16) on the same side, two fixed pin (16) end are all fixedly installed with the knob (17), two knob (17) inner wall are all connected with support plate (15) outer wall through the fixed mechanism.

2. The bolt device with a locking function according to claim 1, characterized in that, The link mechanism includes the link plate (6) fixedly installed on the nut (2) bottom wall, and the link plate (6) outer wall is fixedly connected with the link frame (7) outer wall.

3. The bolt device with a locking function according to claim 2, characterized in that, The fixed mechanism includes the fixed spring (18) fixedly installed on the fixed pin (16) outer wall, and the fixed spring (18) both ends are respectively elastically connected with knob (17) inner wall and support plate (15) outer wall.

4. The bolt device with a locking function according to claim 3, characterized in that, The nut (2) upper end face is slidably installed with first gasket (4), and the first gasket (4) and the second gasket (5) are both metal materials.

5. The bolt device with a locking function according to claim 4, characterized in that, The first gasket (4) and the second gasket (5) outer wall are all installed with a plurality of anti-loosening thorns, and each anti-loosening thorn is conical.

6. The bolt device with a locking function according to claim 5, characterized in that, The second gasket (5) upper end face is slidably installed with the protection frame (13), and the protection frame (13) outer wall is fixedly installed with two fixed plates (14).

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