Sleeve mechanism for disassembling and assembling large-torque bolt

Abstract

The utility model discloses a sleeve mechanism for large torque bolt disassembly and assembly, which relates to the technical field of bolt disassembly and assembly and comprises a sleeve cap, a connecting block is fixed at one end of the sleeve cap, a hollow support cylinder is fixed at one end of the connecting block far away from the sleeve cap, a sliding column is slidably connected to the inner side of the hollow support cylinder, and a limiting outer ring is fixed on the outer side of one end of the hollow support cylinder far away from the connecting block. A blocking seat is fixed to the end, away from the connecting block, of the sliding column, four sliding rods are fixed to the end, close to the hollow supporting cylinder, of the blocking seat and located on the outer side of the hollow supporting cylinder in an array mode, the ends, away from the blocking seat, of the four sliding rods penetrate through the limiting outer ring and are fixedly provided with positioning outer cylinders, and a crank is fixed to the end, away from the hollow supporting cylinder, of the blocking seat. According to the sleeve mechanism for disassembling and assembling the bolt with the large torque, through the overall structural matching design, overall stretching can be achieved, then the lever principle is utilized, the larger torque can be achieved by applying smaller manual force, and therefore disassembling and assembling of the bolt with the large torque can be achieved without the help of a pneumatic tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt dismounting technical field especially relates to a sleeve mechanism of large torque bolt dismounting. BACKGROUND

[0002] The bolt sleeve is a tool for conveniently handling bolts, which has a specially designed cylindrical structure with a groove at one end corresponding to the size of the bolt head. When operating, only the bolt head is embedded in the specially designed groove, and then the sleeve is connected and rotated by manual force or pneumatic tool, thereby transmitting torque to the bolt and efficiently completing the locking or loosening process of the bolt.

[0003] For example, Chinese utility model patent (CN208289770U) discloses a sleeve for dismounting bolts, which is improved in structure and can dismount bolts of various specifications and sizes, occupies small space, is easy to manage and not easy to lose, has small requirement on construction space and is easy to operate, which greatly helps to improve work efficiency.

[0004] The above-mentioned patent can adapt to bolts of various specifications, but when the bolt is locked tightly and there is no pneumatic tool nearby, it is difficult to directly rotate the above-mentioned sleeve to dismount the bolt by using only manual force, which has limitations. Therefore, the present application provides a sleeve mechanism for dismounting large torque bolts. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a sleeve mechanism for dismounting large torque bolts to solve the above-mentioned technical problems. Through overall structural cooperation design, when a tightly locked bolt is encountered, the sliding of the sliding column and the hollow support cylinder, and the sliding cooperation of the sliding block and the guide groove, the threaded connection of the threaded cylinder and the hollow handle can realize overall lengthening, and then the lever principle can be used to achieve greater torque by applying smaller manual force, so that the dismounting of the tightly locked bolt can be realized without the help of pneumatic tools.

[0006] In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

[0007] A sleeve mechanism for dismounting large torque bolts is applied to bolt dismounting.

[0008] The utility model provides a large torque bolt dismounting's sleeve mechanism, including the cylinder cap, one end of the cylinder cap is fixed with the connecting block, the connecting block far away from the one end of cylinder cap is fixed with the hollow support cylinder, the inside slide connection of hollow support cylinder has the slide post, the outside of hollow support cylinder far away from the one end of connecting block is fixed with the limit outer ring, the one end of slide post far away from connecting block is fixed with the stop seat, the stop seat is pasted with hollow support cylinder, four slide rods are fixed in the one end of stop seat close to hollow support cylinder and are located the outside array of hollow support cylinder, the one end of four slide rods far away from stop seat all is through the limit outer ring and is fixed with the location outer tube, the slide connection of slide rod and limit outer ring, the one end of stop seat far away from hollow support cylinder is fixed with the crank, the outside of the one end of crank far away from stop seat is provided with the hollow handle.

[0009] As a preferred embodiment of the large torque bolt dismounting sleeve mechanism provided by the utility model, the inside of the location outer tube is threadedly connected with a hand screw, and the lower end of the hand screw is respectively in sliding connection with the connecting block and the hollow support cylinder.

[0010] As a preferred embodiment of the large torque bolt dismounting sleeve mechanism provided by the utility model, four guide grooves are arranged in the inside of the one end of the crank far away from the stop seat, a sliding block is in sliding connection with the inside of each guide groove, and the outside of the four sliding blocks is fixed to the inside of the hollow handle.

[0011] As a preferred embodiment of the large torque bolt dismounting sleeve mechanism provided by the utility model, a hexagonal supporting ring is rotatably connected to the outside of the crank and located at the one end of the hollow handle close to the stop seat, a threaded cylinder is fixed to the one end of the hexagonal supporting ring close to the hollow handle, and the threaded cylinder is located in the inside of the hollow handle and is threadedly connected with the hollow handle.

[0012] As a preferred embodiment of the large torque bolt dismounting sleeve mechanism provided by the utility model, six limiting holes are arranged in the inside of the hexagonal supporting ring, a supporting block is fixed to the one end of the hexagonal supporting ring far away from the threaded cylinder and located at the outside of the crank, a pull rod is in sliding connection with the inside of the supporting block, the one end of the pull rod is in sliding connection with the limiting hole, and a spring is fixed between the outside of the other end of the pull rod and the supporting block.

[0013] As a preferred embodiment of the large torque bolt dismounting sleeve mechanism provided by the utility model, an anti-skid handle cylinder is rotatably connected to the outside of the hollow handle.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The sleeve mechanism for disassembling the bolt with large torque provided by the utility model has the advantages that when the bolt is locked tightly, the sliding of the sliding column and the hollow supporting cylinder, and the sliding fit of the sliding block and the guide groove are utilized, the threaded connection of the threaded cylinder and the hollow handle is utilized, the whole can be lengthened, and then the lever principle is utilized, so that the bolt can be disassembled by exerting smaller manual force, and the bolt can be disassembled without the aid of pneumatic tools. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by the drawings according to the drawings without the creative labor for the ordinary skilled in the art.

[0017] Figure 1 The whole structure schematic view of the sleeve mechanism for disassembling the bolt with large torque provided by the utility model is shown in the figure.

[0018] Figure 2 The structure schematic view between the sleeve mechanism cylinder cap and the hollow supporting cylinder provided by the utility model for disassembling the bolt with large torque is shown in the figure.

[0019] Figure 3 The structure schematic view of the crank outside provided by the utility model for disassembling the bolt with large torque is shown in the figure.

[0020] Figure 4 The structure schematic view of the sleeve mechanism for disassembling the bolt with large torque provided by the utility model after lengthening is shown in the figure.

[0021] The figure mark is explained as follows:

[0022] 1, cylinder cap; 2, connecting block; 3, hollow supporting cylinder; 4, limiting outer ring; 5, sliding column; 6, stop seat; 7, sliding rod; 8, positioning outer cylinder; 9, hand screw; 10, crank; 11, guide groove; 12, sliding block; 13, hollow handle; 14, hexagonal supporting ring; 15, threaded cylinder; 16, supporting block; 17, pull rod; 18, spring; 19, limiting hole; 20, anti-skid handle cylinder. DETAILED DESCRIPTION

[0023] As described in the background, when the bolt is locked tightly and there is no pneumatic tool nearby, it is difficult to directly rotate the above-mentioned sleeve to disassemble the bolt by simply using manual force, and the use has limitations.

[0024] In order to solve the technical problem, the utility model provides a sleeve mechanism for disassembling the bolt with large torque, which is applied to bolt disassembly.

[0025] The utility model provides a sleeve mechanism of large torque bolt dismounting, through the overall structure cooperation design, can realize the whole lengthening, and then utilize lever principle can through exerting smaller manual power to reach bigger torque, thereby realizes the dismounting of the more tight bolt without the help of pneumatic tool.

[0026] The sleeve mechanism of large torque bolt dismounting provided by the utility model can realize overall lengthening through overall structure cooperation design, and then utilize lever principle to reach bigger torque through exerting smaller manual power, thereby realizing the dismounting of the more tight bolt without the help of pneumatic tool.

[0027] It should be noted that the embodiments and features and technical solutions in the embodiments in the utility model can be combined with each other without conflict.

[0028] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the following drawings.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-4 A sleeve mechanism of large torque bolt dismounting, including the cylinder cap 1, the one end of cylinder cap 1 is fixed with the connecting block 2, the one end of connecting block 2 away from cylinder cap 1 is fixed with the hollow support cylinder 3, the inside slide connection of hollow support cylinder 3 has the slide column 5, the one end of slide column 5 away from connecting block 2 is fixed with the stop seat 6, stop seat 6 is combined with hollow support cylinder 3, in order to further guide the sliding of slide column 5, the outside of the one end of hollow support cylinder 3 away from connecting block 2 is fixed with the limiting outer ring 4, the one end of stop seat 6 close to hollow support cylinder 3 and located the outside array of hollow support cylinder 3 is fixed with four slide rods 7, the one end of four slide rods 7 away from stop seat 6 all penetrates limiting outer ring 4 and is fixed with the positioning outer cylinder 8, slide rod 7 is slide connected with limiting outer ring 4, the one end of stop seat 6 away from hollow support cylinder 3 is fixed with the crank 10, the outside of the one end of crank 10 away from stop seat 6 is provided with the hollow handle 13.

[0031] A crank 10 is fixed to the end of the stop 6 away from the hollow support cylinder 3. To facilitate gripping the crank 10, a hollow handle 13 is provided on the outer side of the end of the crank 10 away from the stop 6. Specifically, in order to connect the hollow handle 13 to the crank 10, four guide grooves 11 are arrayed inside the end of the crank 10 away from the stop 6. A slider 12 is slidably connected to the inner side of each guide groove 11. The outer sides of the four sliders 12 are fixed to the inner side of the hollow handle 13. By using the sliding connection between the sliders 12 and the guide grooves 11, the hollow handle 13 can be connected to the crank 10, and the hollow handle 13 can be slidably extended to further extend the length of the crank 10.

[0032] To facilitate the control of the sliding of the hollow handle 13, a hexagonal support ring 14 is rotatably connected to the outer side of the crank 10 and the end of the hollow handle 13 near the stop seat 6. A threaded cylinder 15 is fixed to the end of the hexagonal support ring 14 near the hollow handle 13. The threaded cylinder 15 is located inside the hollow handle 13 and is threadedly connected to the hollow handle 13. By rotating the hexagonal support ring 14, the threaded cylinder 15 is driven to rotate. Then, by utilizing the threaded connection between the threaded cylinder 15 and the hollow handle 13, and cooperating with the sliding guide of the slider 12 and the guide groove 11, the hollow handle 13 is driven to slide.

[0033] Example 2:

[0034] The sleeve mechanism for disassembling and assembling large torque bolts provided in Example 1 is further optimized, specifically, as follows: Figure 3 As shown, in order to facilitate the positioning and fixing of the hollow handle 13 before and after sliding, six limiting holes 19 are arranged in the internal array of the hexagonal support ring 14. A support block 16 is fixed on the outer side of the crank 10 and at the end of the hexagonal support ring 14 away from the threaded cylinder 15. A pull rod 17 is slidably connected to the inner side of the support block 16. One end of the pull rod 17 is slidably connected to the limiting hole 19, and a spring 18 is fixed between the outer side of the other end of the pull rod 17 and the support block 16.

[0035] When the hollow handle 13 is held and rotated to rotate the cap 1 to disassemble and assemble the bolt, in order to further improve the ease of operation, an anti-slip handle tube 20 is rotatably connected to the outside of the hollow handle 13.

[0036] The usage process of the sleeve mechanism for disassembling and assembling large torque bolts provided by this utility model is as follows: When in use, after the sleeve cap 1 is placed on the outside of the bolt, the anti-slip handle 20 is grasped and the hollow handle 13 is rotated, thereby driving the sleeve cap 1 to rotate and realize the disassembly and assembly of the bolt.

[0037] When the bolt is locked tightly, the hand screw 9 is rotated to slide out of the connecting block 2, and then the sliding guide of the slide rod 7 and the limiting outer ring 4 is used to slide the slide column 5 out of the hollow supporting cylinder 3 until the positioning outer cylinder 8 is attached to the limiting outer ring 4, and then the hand screw 9 is rotated to enter the hollow supporting cylinder 3, and then the position of the slide column 5 is limited and fixed;

[0038] When the bolt is locked tightly, the hand screw 9 is rotated to slide out of the connecting block 2, and then the sliding guide of the slide rod 7 and the limiting outer ring 4 is used to slide the slide column 5 out of the hollow supporting cylinder 3 until the positioning outer cylinder 8 is attached to the limiting outer ring 4, and then the hand screw 9 is rotated to enter the hollow supporting cylinder 3, and then the position of the slide column 5 is limited and fixed;

[0039] When the hollow handle 13 is moved to the limit and the pull rod 17 is aligned with the limiting hole 19, the pull rod 17 is loosened and the spring 18 is used to drive the pull rod 17 to reset to the limiting hole 19, and then the hollow handle 13 is repositioned and fixed, as shown in Figure 4 The overall length of the sleeve is effectively increased, and then a smaller manual force can be used to achieve a larger torque by using the principle of leverage, so that the disassembly and assembly of the tightly locked bolt can be realized without the help of pneumatic tools.

Claims

1. A socket mechanism for the removal and installation of high torque bolts, characterised in that, The utility model provides a kind of cylinder cap (1), the one end of the cylinder cap (1) is fixed with connecting block (2), the one end of the connecting block (2) away from cylinder cap (1) is fixed with hollow support cylinder (3), the inside of the hollow support cylinder (3) is slidably connected with slide column (5), the outside of the one end of the hollow support cylinder (3) away from connecting block (2) is fixed with limit outer ring (4), the one end of the slide column (5) away from connecting block (2) is fixed with stop seat (6), the stop seat (6) is attached to hollow support cylinder (3), four slide bars (7) are fixed with in the one end of the stop seat (6) close to hollow support cylinder (3) and in the outside of hollow support cylinder (3), the one end of four the slide bars (7) away from stop seat (6) is all through limit outer ring (4) and is fixed with positioning outer cylinder (8), the slide bar (7) is slidably connected with limit outer ring (4), the one end of the stop seat (6) away from hollow support cylinder (3) is fixed with crank (10), the outside of the one end of the crank (10) away from stop seat (6) is provided with hollow handle (13).

2. The large torque bolt removal socket mechanism of claim 1, wherein, The inside of the positioning outer cylinder (8) is screwed with hand screw (9), and the lower end of the hand screw (9) is slidably connected with the connecting block (2) and the hollow support cylinder (3) respectively.

3. The large torque bolt removal socket mechanism of claim 1, wherein, Four guide grooves (11) are arranged in the inside of the one end of the crank (10) away from the stop seat (6), and a sliding block (12) is slidably connected to the inside of each guide groove (11).

4. The large torque bolt removal socket mechanism of claim 3, wherein, A hexagonal supporting ring (14) is rotatably connected to the outside of the crank (10) and the one end of the hollow handle (13) close to the stop seat (6), a threaded cylinder (15) is fixed to the one end of the hexagonal supporting ring (14) close to the hollow handle (13), and the threaded cylinder (15) is arranged in the inside of the hollow handle (13) and is screwed with the hollow handle (13).

5. The large torque bolt removal socket mechanism of claim 4, wherein, Six limiting holes (19) are arranged in the inside of the hexagonal supporting ring (14), a supporting block (16) is fixed to the outside of the crank (10) and the one end of the hexagonal supporting ring (14) away from the threaded cylinder (15), a pull rod (17) is slidably connected to the inside of the supporting block (16), one end of the pull rod (17) is slidably connected with the limiting hole (19), and a spring (18) is arranged between the other end of the pull rod (17) and the outside of the supporting block (16).

6. The large torque bolt removal socket mechanism of claim 3, wherein, A nonslip handle cylinder (20) is rotatably connected to the outside of the hollow handle (13).

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