A manhole dismounting tool for gas boiler of cigarette factory

Abstract

The utility model discloses a kind of manhole dismounting tools for cigarette factory gas boiler, comprising: rotating sleeve, nut sleeve, ratchet groove, ratchet wrench and limiting assembly;Nut sleeve is arranged at the first end of rotating sleeve, ratchet groove is arranged on the outer circumferential wall of the second end of rotating sleeve, ratchet wrench is engaged with ratchet groove along the circumference of rotating sleeve, and ratchet wrench is slidably connected with ratchet groove along the length direction of rotating sleeve;Limiting assembly is arranged on the outer circumferential wall of the first end of rotating sleeve.The utility model is used in cooperation with rotating sleeve, nut sleeve, ratchet groove and ratchet wrench and other structures, so that the longer part of bolt reserved will pass through nut sleeve and enter the inside of rotating sleeve, and then make ratchet wrench and nut surface normal contact, avoid the influence of longer bolt on ratchet wrench rotation, also can make ratchet wrench vertically slide on the outer surface of ratchet groove, move ratchet wrench to the height that will not be blocked, make wrench rotation more convenient.

Description

Technical Field

[0001] This utility model relates to the field of manhole disassembly and assembly technology, and more specifically, to a tool for disassembling and assembling manholes in gas-fired boilers in cigarette factories. Background Technology

[0002] Currently, the gas-fired boilers used in cigarette factories need to undergo a safety inspection once a year. During the safety inspection, staff need to enter the furnace chamber through the manhole. Before the safety inspection, the fastening nuts need to be removed from the fastening screws in the manhole.

[0003] When the fastening nut on the gas boiler is tightened with the manhole fastening screw, the reserved length of the manhole fastening screw is relatively large. When using an existing socket wrench to remove the fastening nut, too much of the reserved part of the manhole fastening screw penetrates into the socket wrench, resulting in an insufficient contact area between the socket wrench and the nut. This makes the disassembly process very inconvenient and affects the efficiency of disassembly.

[0004] Therefore, how to provide a tool for disassembling and assembling manholes in gas-fired boilers of cigarette factories has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] One objective of this invention is to provide a new technical solution for disassembling and assembling manholes in gas-fired boilers in cigarette factories.

[0006] According to a first aspect of the present invention, a tool for disassembling and assembling manholes of gas-fired boilers in cigarette factories is provided, comprising: a rotating sleeve, a nut sleeve, a ratchet groove, a ratchet wrench, and a limiting assembly;

[0007] The nut sleeve is disposed at the first end of the rotating sleeve, the ratchet groove is disposed on the outer peripheral wall of the second end of the rotating sleeve, the ratchet wrench engages with the ratchet groove along the circumference of the rotating sleeve, and the ratchet wrench is slidably connected with the ratchet groove along the length of the rotating sleeve, the length of the ratchet groove being greater than the thickness of the ratchet wrench;

[0008] The limiting component is disposed on the outer peripheral wall of the first end of the rotating sleeve, and the limiting component is used to fix the nut sleeve.

[0009] Optionally, a retaining sleeve is fixedly connected to the inner surface of the rotating sleeve, and a retaining ring is fixedly connected to the outer surface of the retaining sleeve on the inner surface of the rotating sleeve. The outer surface of the retaining sleeve is attached to and slidably connected to the inner surface of the retaining ring.

[0010] Optionally, a guide bevel is provided around the outer edge of the cartridge.

[0011] Optionally, a limiting ring is provided at the top end of the rotating sleeve.

[0012] Optionally, the limiting component includes a slot, a groove, a rotating rod, and a locking block. The slot is symmetrically arranged on the outer surface of the nut sleeve. The groove is arranged on the side wall of the rotating sleeve and corresponds to the slot. The first end of the rotating rod is rotatably disposed in the groove. The locking block is disposed on the inner wall of the rotating rod and engages with the slot.

[0013] Optionally, the limiting component further includes a sliding collar, which is slidably sleeved on the outer wall of the rotating sleeve, and the inner wall of the sliding collar abuts against the outer wall of the rotating rod.

[0014] Optionally, the limiting component further includes a magnetic ring disposed at the bottom end of the rotating sleeve, and the magnetic ring is magnetically attracted to the bottom end of the sliding collar.

[0015] The beneficial effects of this utility model are as follows:

[0016] This invention utilizes a combination of a rotating sleeve, a nut sleeve, a ratchet groove, and a ratchet wrench to allow the longer portion of the bolt to pass through the nut sleeve and enter the interior of the rotating sleeve. This enables the ratchet wrench to make normal contact with the nut surface and prevents nearby longer bolts from interfering with the rotation of the ratchet wrench during use. The ratchet wrench can then slide vertically on the outer surface of the ratchet groove, allowing it to be moved to an unobstructed height for easier rotation.

[0017] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0019] Figure 1 This is a structural diagram of the tool for disassembling and assembling manholes of gas-fired boilers in cigarette factories according to this utility model;

[0020] Figure 2 This is a cross-sectional view of the rotating sleeve and nut sleeve of this utility model;

[0021] Figure 3 This is a diagram showing the internal structure of the rotating sleeve of this utility model.

[0022] The following are marked in the diagram: 1. Rotating sleeve; 2. Nut sleeve; 3. Ratchet groove; 4. Ratchet wrench; 5. Clamping sleeve; 6. Clamping ring; 7. Guide slope; 8. Clamping groove; 9. Groove; 10. Rotating rod; 11. Clamping block; 12. Sliding collar; 13. Magnetic ring; 14. Restricting ring. Detailed Implementation

[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0024] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0025] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0026] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0027] like Figures 1 to 3 As shown, this utility model embodiment provides a tool for disassembling and assembling manholes of gas boilers in cigarette factories, including: a rotating sleeve 1, a nut sleeve 2, a ratchet groove 3, a ratchet wrench 4, and a limiting assembly.

[0028] Nut sleeve 2 is located at the first end of rotating sleeve 1, ratchet groove 3 is located on the outer peripheral wall of the second end of rotating sleeve 1, ratchet wrench 4 engages with ratchet groove 3 along the circumference of rotating sleeve 1, and ratchet wrench 4 is slidably connected with ratchet groove 3 along the length of rotating sleeve 1, and the length of ratchet groove 3 is greater than the thickness of ratchet wrench 4.

[0029] The limiting component is set on the outer peripheral wall of the first end of the rotating sleeve 1, and the limiting component is used to fix the nut sleeve 2.

[0030] Specifically, both the nut sleeve 2 and the rotating sleeve 1 are hollow. Since the length of the ratchet groove 3 is greater than the thickness of the ratchet wrench 4, the ratchet wrench 4 can slide along the length of the rotating sleeve 1 on the outer wall of the ratchet groove 3, thereby finding the optimal position to facilitate the operator's operation.

[0031] This utility model connects the ratchet groove 3 to the ratchet structure in the ratchet wrench 4, allowing the ratchet wrench 4 to slide on the surface of the ratchet groove 3. By aligning the end of the rotating sleeve 1 with the nut sleeve 2 with the nut and moving it down, the nut is locked inside the nut sleeve 2. Then, the operator holds the ratchet wrench 4 and rotates it, causing the rotating sleeve 1 and the nut sleeve 2 to rotate using the ratchet groove 3, thus removing the nut.

[0032] When the operator puts the nut sleeve 2 on the nut that can be removed, the longer portion of the bolt will pass through the nut sleeve 2 and enter the interior of the rotating sleeve 1, thereby preventing the longer bolts nearby from affecting the rotation of the ratchet wrench 4.

[0033] The operator can also slide the ratchet wrench 4 vertically on the outer surface of the ratchet groove 3, and move the ratchet wrench 4 to a height where it will not be obstructed.

[0034] It should be noted that the ratchet wrench 4 is not directly installed on the top of the rotating socket 1, so that the height at which the ratchet wrench 4 drives the rotating socket 1 to rotate and the distance to the nut can be as close as possible according to the actual situation, so that the ratchet wrench 4 and the rotating socket 1 are less likely to tilt during disassembly and assembly.

[0035] In one embodiment of the manhole disassembly and assembly tool for a gas-fired boiler in a cigarette factory according to this utility model, such as Figure 2 and Figure 3 As shown, a retaining sleeve 5 is fixedly connected to the inner surface of the rotating sleeve 1 on the nut sleeve 2, and a retaining ring 6 is fixedly connected to the outer surface of the retaining sleeve 5 on the inner surface of the rotating sleeve 1. The outer surface of the retaining sleeve 5 is attached to and slidably connected to the inner surface of the retaining ring 6.

[0036] Specifically, by inserting the nut sleeve 2 into the interior of the rotating sleeve 1 from the bottom and locking the retainer 5 inside the retaining ring 6, the rotating sleeve 1 can drive the nut sleeve 2 to rotate.

[0037] The nut sleeve 2 and the rotating sleeve 1 are detachably connected, which facilitates the replacement of the nut sleeve 2. Nut sleeves 2 with different nut diameters can be produced, so that the device can be used in places other than manhole disassembly and assembly, which increases the practicality of this utility model for manhole disassembly and assembly tools for gas boilers in cigarette factories.

[0038] In one embodiment of the manhole disassembly and assembly tool for a gas-fired boiler in a cigarette factory according to this utility model, such as Figure 2 As shown, a guide slope 7 is provided around the outer edge of the cartridge 5.

[0039] Specifically, by using the guide ramp 7, when installing the nut sleeve 2 inside the rotating sleeve 1, the retaining sleeve 5 and the retaining ring 6 are roughly aligned and pushed into the rotating sleeve 1. The guide ramp 7 allows the retaining sleeve 5 to be finely adjusted and enter the interior of the retaining ring 6, making it more convenient to install the nut sleeve 2.

[0040] In one embodiment of the manhole disassembly and assembly tool for a gas-fired boiler in a cigarette factory according to this utility model, such as Figures 1 to 3 As shown, a limiting ring 14 is provided at the top of the rotating sleeve 1.

[0041] Specifically, the ratchet wrench 4 can be restricted by the installed limiting ring 14 to prevent it from falling off the surface of the ratchet groove 3.

[0042] In one embodiment of the manhole disassembly and assembly tool for a gas-fired boiler in a cigarette factory according to this utility model, such as Figure 2 and Figure 3 As shown, the limiting component includes a slot 8, a groove 9, a rotating rod 10, and a locking block 11. The slot 8 is symmetrically arranged on the outer surface of the nut sleeve 2. The groove 9 is arranged on the side wall of the rotating sleeve 1 and is corresponding to the slot 8. The first end of the rotating rod 10 is rotatably arranged in the groove 9. The locking block 11 is arranged on the inner wall of the rotating rod 10 and is engaged with the slot 8.

[0043] Specifically, when installing the nut sleeve 2, the operator first inserts the nut sleeve 2 into the rotating sleeve 1, so that the retaining sleeve 5 engages with the retaining ring 6 under the action of the guide inclined surface 7; then, the rotating rod 10 is rotated, and the retaining block 11 engages with the retaining groove 8, thereby achieving the limiting of the nut sleeve 2.

[0044] When it is necessary to disassemble the nut sleeve 2, the operator first applies force to the rotating rod 10 to make the rotating rod 10 rotate so as to drive the locking block 11 out of the locking groove 8, thereby releasing the limiting effect on the nut sleeve 2, so that the nut sleeve 2 can be pulled out from the rotating sleeve 1.

[0045] Furthermore, the limiting component also includes a sliding collar 12, which is slidably sleeved on the outer wall of the rotating sleeve 1, and the inner wall of the sliding collar 12 abuts against the outer wall of the rotating rod 10.

[0046] Specifically, after inserting the nut sleeve 2 into the rotating sleeve 1, push the sliding collar 12 downward to make it drive the rotating rod 10 to rotate into the inside of the slot 9. At this time, the locking block 11 is just locked inside the slot 8, which can fix the nut sleeve 2 inside the rotating sleeve 1. When it needs to be replaced, move the sliding collar 12 upward to make the locking block 11 slide out of the slot 8.

[0047] In one embodiment of the manhole disassembly and assembly tool for a gas-fired boiler in a cigarette factory according to this utility model, such as Figure 1 and Figure 3 As shown, the limiting component also includes a magnetic ring 13, which is disposed at the bottom end of the rotating sleeve 1 and magnetically attracted to the bottom end of the sliding sleeve 12.

[0048] Specifically, by using the installed magnetic ring 13 to hold the sliding collar 12 in place, it can be prevented from sliding on its own and causing the connection between the nut sleeve 2 and the rotating sleeve 1 to become loose.

[0049] Although specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A tool for disassembling and assembling manholes in gas-fired boilers of cigarette factories, characterized in that, include: Rotating sleeve (1), nut sleeve (2), ratchet groove (3), ratchet wrench (4) and limit assembly; The nut sleeve (2) is disposed at the first end of the rotating sleeve (1), the ratchet groove (3) is disposed on the outer peripheral wall of the second end of the rotating sleeve (1), the ratchet wrench (4) engages with the ratchet groove (3) along the circumference of the rotating sleeve (1), and the ratchet wrench (4) is slidably connected with the ratchet groove (3) along the length direction of the rotating sleeve (1), and the length of the ratchet groove (3) is greater than the thickness of the ratchet wrench (4); The limiting component is disposed on the outer peripheral wall of the first end of the rotating sleeve (1), and the limiting component is used to fix the nut sleeve (2).

2. The tool for disassembling and assembling manholes in a cigarette factory's gas-fired boiler, as described in claim 1, is characterized in that... The nut sleeve (2) is fixedly connected to the inner surface of the rotating sleeve (1) with a retaining sleeve (5), and the inner surface of the rotating sleeve (1) is fixedly connected to the outer surface of the retaining sleeve (5) with a retaining ring (6). The outer surface of the retaining sleeve (5) is attached to and slidably connected to the inner surface of the retaining ring (6).

3. The tool for disassembling and assembling manholes in a cigarette factory's gas-fired boiler, as described in claim 2, is characterized in that... The outer surface edge of the cassette (5) is provided with a guide slope (7).

4. The tool for disassembling and assembling manholes in a cigarette factory's gas-fired boiler, as described in claim 1, is characterized in that... A limiting ring (14) is provided at the top of the rotating sleeve (1).

5. The tool for disassembling and assembling manholes in a cigarette factory's gas-fired boiler, as described in claim 1, is characterized in that... The limiting component includes a slot (8), a groove (9), a rotating rod (10), and a locking block (11). The slot (8) is symmetrically arranged on the outer surface of the nut sleeve (2). The groove (9) is arranged on the side wall of the rotating sleeve (1) and is corresponding to the slot (8). The first end of the rotating rod (10) is rotatably arranged in the groove (9). The locking block (11) is arranged on the inner wall of the rotating rod (10) and is engaged with the slot (8).

6. The tool for disassembling and assembling manholes in a cigarette factory's gas-fired boiler, as described in claim 5, is characterized in that... The limiting component also includes a sliding collar (12), which is slidably sleeved on the outer wall of the rotating sleeve (1), and the inner wall of the sliding collar (12) abuts against the outer wall of the rotating rod (10).

7. The tool for disassembling and assembling manholes in a cigarette factory's gas-fired boiler, as described in claim 6, is characterized in that... The limiting component also includes a magnet ring (13), which is disposed at the bottom end of the rotating sleeve (1) and magnetically attracted to the bottom end of the sliding sleeve (12).

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