Pre-tightening force accurate control structure for locking heavy rim

Abstract

The invention relates to the technical field of rims, and discloses a precise pre-tightening force control structure for heavy rim locking, which comprises a rim, a spoke fixedly connected to the inner wall of the rim, a hub fixedly connected to one end of the spoke and a connecting assembly arranged on one side of the rim, and the connecting assembly comprises a control mechanism arranged on the inner side of the rim. A silencing mechanism is arranged on the outer side of the rim, the positioning strips and the positioning grooves are arranged in a clamped mode, the rectangular columns are slidably connected to the inner walls of the rectangular grooves and the outer walls of the limiting columns, the ends, away from the rotating rods, of the first springs are fixedly connected with the connecting blocks, and the clamping rods and the clamping grooves are arranged in a clamped mode. The problems that in the prior art, when a rim and a wheel shaft are locked through bolts, threads are possibly damaged due to too large pre-tightening force, looseness cannot be effectively prevented due to too small pre-tightening force, and the locking effect between the rim and the wheel shaft is affected are solved.

Description

Technical Field

[0001] The invention relates to the technical field of wheel rims, in particular to a precise control structure for controlling preload force for locking a heavy wheel rim. Background Art

[0002] Washers are commonly used fasteners in mechanical structure design. They are mainly used to isolate nuts from structural parts to avoid scratching structural parts. They can also be used to adjust the length of bolts, etc. There are commonly used ordinary washers in national standards and navigation standards. However, in some special connection structures, it is necessary to control the preload force, such as composite material connections. At present, bolts are usually required for locking during the rim locking process.

[0003] However, when the rim and the axle are locked by bolts, too much pre-tightening force may cause damage to the threads, while too little pre-tightening force cannot effectively prevent loosening, thereby affecting the locking effect between the rim and the axle.

[0004] Therefore, we proposed a heavy-duty rim locking with precise preload control structure to solve the problem. Summary of the invention

[0005] The purpose of the present invention is to provide a precise control structure of preload force for locking a heavy rim, thereby solving the problems mentioned in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: A heavy-duty rim locking preload precision control structure, comprising a rim; A spoke fixedly connected to the inner wall of the rim; A hub fixedly connected to one end of the spoke; And a connecting assembly arranged on one side of the rim, the connecting assembly includes a control mechanism arranged on the inner side of the rim, and a silencer mechanism is arranged on the outer side of the rim.

[0007] Preferably, the control mechanism includes a bolt threadedly connected to the inside of the wheel hub, a breaking key is movably connected to the outside of the bolt, a groove is provided on the outside of the breaking key, a washer is provided on the inner wall of the groove, and a nut is threadedly connected to the outer wall of the bolt.

[0008] Preferably, the silencer mechanism includes an installation groove provided on the outer wall of the rim, the inner wall of the installation groove is clamped with a rubber block, the bottom of the rubber block is provided with a positioning groove, the inner wall of the installation groove is fixedly connected with a positioning strip, the inner side of the rim is fixedly connected with a reinforcing plate, the outer side of the rim is fixedly connected with a mounting frame, the interior of the mounting frame is clamped with a fixing frame, the inner wall of the fixing frame is fixedly connected with sound-absorbing cotton, the side wall of the fixing frame is fixedly connected with a rectangular column, one side of the mounting frame is rotatably connected with a rotating rod through a bearing, one end of the rotating rod is movably connected with a clamping rod, the outer end of the clamping rod is fixedly connected with a connecting block, the outer side of the rotating rod is fixedly connected with a first spring, the outer side of the mounting frame is provided with a clamping groove, the inner wall of the mounting frame is provided with a rectangular groove, the inner wall of the rectangular groove is fixedly connected with a limiting column, the outer end of the limiting column is fixedly connected with an ejection ring, and the inner wall of the rectangular groove is fixedly connected with a second spring.

[0009] Preferably, there are five bolts equidistantly distributed in the wheel hub, and the preload force can be controlled by cooperating with the bolts, breaking keys, grooves, washers and nuts, thereby avoiding uncontrollable preload force caused by uncontrollable factors in the process of converting the tightening torque into the preload force.

[0010] Preferably, the positioning strip is clamped with the positioning groove, the rectangular column is slidably connected to the inner wall of the rectangular groove, and the rectangular column is slidably connected to the outer wall of the limiting column. Through the cooperation of the rubber block, positioning strip, positioning groove, installation groove, reinforcement plate and sound-absorbing cotton, the rim can have a buffering and sound-absorbing effect, thereby increasing the applicability of the rim.

[0011] Preferably, the first spring is fixedly connected to the connecting block at one end away from the rotating rod, and the clamping rod is clamped in the clamping groove. Through the cooperation of the installation frame, the fixed frame, the rectangular column, the rotating rod, the clamping rod, the first spring, the clamping groove and the rectangular groove, it is convenient to manually disassemble the sound-absorbing cotton, thereby facilitating manual replacement of the sound-absorbing cotton, thereby achieving better sound absorption effect.

[0012] Preferably, one end of the second spring is fixedly connected to the ejection ring, and through the cooperation of the rectangular groove, the limiting column, the ejection ring and the second spring, when the rotating rod is separated from the outer side of the rectangular column, the fixed frame can be ejected outward, thereby making it easier to manually remove the fixed frame.

[0013] The present invention provides a precise control structure for preload force for heavy-duty wheel rim locking. The precise control structure for preload force for heavy-duty wheel rim locking has the following beneficial effects: 2. The heavy-duty rim locking preload precision control structure can control the preload under the action of bolts, breaking keys, grooves, washers and nuts by setting a control mechanism, thus avoiding the uncontrollable preload caused by uncontrollable factors in the process of converting tightening torque into preload; The heavy-duty rim locking has a precise control structure for pre-tightening force. By setting up a silencer mechanism, the rim can play a buffering and silencer effect under the action of rubber blocks, positioning strips, positioning grooves, mounting grooves, reinforcing plates, and sound-absorbing cotton, thereby increasing the applicability of the rim. Under the action of the mounting frame, fixed frame, rectangular column, rotating rod, clamping rod, first spring, clamping groove, and rectangular groove, the sound-absorbing cotton can be easily disassembled manually, thereby facilitating manual replacement of the sound-absorbing cotton, thereby achieving a better sound-absorbing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the control mechanism structure of the present invention; Figure 4 It is a schematic diagram of the local structure of the muffler mechanism of the present invention; Figure 5 Another partial structural schematic diagram of the muffler mechanism of the present invention; In the figure: 1. rim; 2. spoke; 3. connecting assembly; 31. control mechanism; 311. bolt; 312. breaking key; 313. groove; 314. washer; 315. nut; 32. silencer mechanism; 321. mounting groove; 322. rubber block; 323. positioning strip; 324. positioning groove; 325. reinforcing plate; 326. mounting frame; 327. fixing frame; 328. sound-absorbing cotton; 329. rectangular column; 3210. rotating rod; 3211. clamping rod; 3212. first spring; 3213. clamping groove; 3214. rectangular groove; 3215. limiting column; 3216. ejection ring; 3217. second spring; 4. wheel hub. DETAILED DESCRIPTION

[0015] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific embodiments of the present invention are now described with reference to the accompanying drawings. Example

[0016] like Figure 1-5 As shown, the present invention provides a technical solution: a precise control structure for preload force for heavy-duty rim locking, comprising a rim 1, a spoke 2 fixedly connected to the inner wall of the rim 1, a hub 4 fixedly connected to one end of the spoke 2, and a connecting assembly 3 arranged on one side of the rim 1, the connecting assembly 3 comprising a control mechanism 31 arranged on the inner side of the rim 1, a silencer mechanism 32 arranged on the outer side of the rim 1, the control mechanism 31 comprising a bolt 311 threadedly connected to the inside of the hub 4, a breaking key 312 threadedly connected to one end of the bolt 311, a groove 313 arranged on the outer side of the breaking key 312, a washer 314 arranged on the inner wall of the groove 313, and a nut 315 threadedly connected to the outer wall of the bolt 311.

[0017] In this embodiment, there are five bolts 311, which are equidistantly distributed in the wheel hub 4. The preload force can be controlled by the cooperation of the bolts 311, the breaking key 312, the groove 313, the washer 314, and the nut 315, thereby avoiding the uncontrollable preload force caused by uncontrollable factors in the process of converting the tightening torque into the preload force.

[0018] When the device is installing and fixing the wheel axle and the rim 1, the nut 315 is rotated to move the nut 315 inward, and then the breaking key 312 arranged on the inner side of the nut 315 is moved inward. When the breaking key 312 moves inward and contacts the wheel hub 4, the nut 315 continues to press the washer 314 inward, so that the washer 314 can press the breaking key 312 inward. When the breaking key 312 reaches the preload force, it will automatically break. The operator receives a sign that the operation is completed and stops the installation operation, thereby avoiding uncontrollable preload force caused by uncontrollable factors in the process of converting the tightening torque into the preload force. Example

[0019] On the basis of Example 1, a preferred embodiment of the heavy rim locking preload precision control structure provided by the present invention is as follows: Figures 1 to 5 As shown: the silencer mechanism 32 includes a mounting groove 321 provided on the outer wall of the rim 1, a rubber block 322 is clamped on the inner wall of the mounting groove 321, a positioning groove 324 is provided at the bottom of the rubber block 322, a positioning strip 323 is fixedly connected to the inner wall of the mounting groove 321, a reinforcing plate 325 is fixedly connected to the inner side of the rim 1, a mounting frame 326 is fixedly connected to the outer side of the rim 1, a fixing frame 327 is clamped inside the mounting frame 326, a sound-absorbing cotton 328 is fixedly connected to the inner wall of the fixing frame 327, a rectangular column 329 is fixedly connected to the side wall of the fixing frame 327, and the mounting frame 326 is fixedly connected to the outer wall of the fixing frame 326. A rotating rod 3210 is rotatably connected to the side through a bearing, one end of the rotating rod 3210 is movably connected to a clamping rod 3211, the outer end of the clamping rod 3211 is fixedly connected to a connecting block, the outer side of the rotating rod 3210 is fixedly connected to a first spring 3212, the outer side of the mounting frame 326 is provided with a clamping groove 3213, the inner wall of the mounting frame 326 is provided with a rectangular groove 3214, the inner wall of the rectangular groove 3214 is fixedly connected to a limiting column 3215, the outer end of the limiting column 3215 is fixedly connected to a ejection ring 3216, and the inner wall of the rectangular groove 3214 is fixedly connected to a second spring 3217.

[0020] In this embodiment, the positioning strip 323 is snap-connected with the positioning groove 324, the rectangular column 329 is slidably connected to the inner wall of the rectangular groove 3214, and the rectangular column 329 is slidably connected to the outer wall of the limiting column 3215. Through the cooperation of the rubber block 322, the positioning strip 323, the positioning groove 324, the installation groove 321, the reinforcing plate 325, and the sound-absorbing cotton 328, the rim 1 can have a buffering and sound-absorbing effect, thereby increasing the applicability of the rim 1.

[0021] Furthermore, the first spring 3212 is fixedly connected to the connecting block at one end away from the rotating rod 3210, and the clamping rod 3211 is clamped with the clamping groove 3213. Through the cooperation of the installation frame 326, the fixed frame 327, the rectangular column 329, the rotating rod 3210, the clamping rod 3211, the first spring 3212, the clamping groove 3213, and the rectangular groove 3214, it is convenient to manually disassemble the sound-absorbing cotton 328, thereby facilitating manual replacement of the sound-absorbing cotton 328, thereby achieving a better sound absorption effect.

[0022] Furthermore, one end of the second spring 3217 is fixedly connected to the ejection ring 3216. Through the cooperation of the rectangular groove 3214, the limiting column 3215, the ejection ring 3216, and the second spring 3217, when the rotating rod 3210 is separated from the outer side of the rectangular column 329, the fixed frame 327 can be ejected outward, thereby making it easier to manually remove the fixed frame 327.

[0023] When it is necessary to disassemble the fixed frame 327, first, manually pull the clamping rod 3211 outward to move the clamping rod 3211 outward and separate it from the clamping groove 3213, then manually rotate the rotating rod 3210 to move the rotating rod 3210 away from the outside of the rectangular groove 3214, and then, through the action of the second spring 3217, the ejection ring 3216 can be pressed outward against the rectangular column 329 through the limiting column 3215 under the elastic force, and since the rectangular column 329 is fixedly connected to the fixed frame 327, the fixed frame 327 can be popped outward, and then the fixed frame 327 can be manually taken out, so that the sound-absorbing cotton 328 can be manually disassembled, thereby facilitating the manual replacement of the sound-absorbing cotton 328, thereby achieving a better sound absorption effect.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty rim locking preload precision control structure, comprising a rim (1); A wheel spoke (2) fixedly connected to the inner wall of the wheel rim (1); A hub (4) fixedly connected to one end of the spoke (2); and a connecting assembly (3) arranged on one side of the rim (1), characterized in that: The connection assembly (3) comprises a control mechanism (31) arranged on the inner side of the rim (1), and a silencer mechanism (32) is arranged on the outer side of the rim (1).

2. The heavy-duty rim locking preload precision control structure according to claim 1, characterized in that: The control mechanism (31) comprises a bolt (311) threadedly connected to the inside of the wheel hub (4); a breaking key (312) is movably connected to the outside of the bolt (311); a groove (313) is provided on the outside of the breaking key (312); a washer (314) is provided on the inner wall of the groove (313); and a nut (315) is threadedly connected to the outer wall of the bolt (311).

3. The heavy-duty rim locking preload precision control structure according to claim 1, characterized in that: The silencer mechanism (32) comprises a mounting groove (321) provided on the outer wall of the rim (1); a rubber block (322) is clamped on the inner wall of the mounting groove (321); a positioning groove (324) is provided at the bottom of the rubber block (322); a positioning strip (323) is fixedly connected to the inner wall of the mounting groove (321); a reinforcing plate (325) is fixedly connected to the inner side of the rim (1); a mounting frame (326) is fixedly connected to the outer side of the rim (1); a fixing frame (327) is clamped inside the mounting frame (326); a sound-absorbing cotton (328) is fixedly connected to the inner wall of the fixing frame (327); a rectangular column (329) is fixedly connected to the side wall of the fixing frame (327); and the mounting frame (326) is fixedly connected to the outer wall of the fixing frame (327). 26) One side is rotatably connected to a rotating rod (3210) through a bearing, one end of the rotating rod (3210) is movably connected to a clamping rod (3211), the outer end of the clamping rod (3211) is fixedly connected to a connecting block, the outer side of the rotating rod (3210) is fixedly connected to a first spring (3212), the outer side of the mounting frame (326) is provided with a clamping groove (3213), the inner wall of the mounting frame (326) is provided with a rectangular groove (3214), the inner wall of the rectangular groove (3214) is fixedly connected to a limiting column (3215), the outer end of the limiting column (3215) is fixedly connected to an ejection ring (3216), and the inner wall of the rectangular groove (3214) is fixedly connected to a second spring (3217).

4. The heavy-duty rim locking preload precision control structure according to claim 2, characterized in that: There are five bolts (311) which are evenly distributed inside the wheel hub (4).

5. The heavy-duty rim locking preload precision control structure according to claim 3, characterized in that: The positioning strip (323) is snap-connected with the positioning groove (324), the rectangular column (329) is slidably connected to the inner wall of the rectangular groove (3214), and the rectangular column (329) is slidably connected to the outer wall of the limiting column (3215).

6. The heavy-duty rim locking preload precision control structure according to claim 3, characterized in that: One end of the first spring (3212) away from the rotating rod (3210) is fixedly connected to the connecting block, and the clamping rod (3211) is clamped to the clamping groove (3213).

7. The heavy-duty rim locking preload precision control structure according to claim 3, characterized in that: One end of the second spring (3217) is fixedly connected to the ejection ring (3216).

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