Tool for assembling and disassembling air pipe bolt in narrow space

Abstract

The utility model discloses an air duct bolt mounting and dismounting tool in a narrow space. The air duct bolt mounting and dismounting tool comprises a connecting sleeve, a C-shaped support, a connecting rod, a handle, a handle, a first strong magnetic sleeve and a second strong magnetic sleeve, the handle is arranged at the top of the connecting sleeve, the C-shaped support is arranged at the bottom of the connecting sleeve, the connecting rod penetrates through the connecting sleeve and the handle and is connected with the handle, and the lower end of the connecting rod is inserted into the C-shaped support and is connected with the first strong magnetic sleeve. A first hexagonal groove is formed in the first strong magnetic sleeve, the second strong magnetic sleeve is arranged in the C-shaped support, a second hexagonal groove is formed in the second strong magnetic sleeve, and the first hexagonal groove and the second hexagonal groove are coaxially and oppositely arranged. The air pipe bolt head is adsorbed in the first strong magnetic sleeve through the first hexagonal groove, and the air pipe nut is adsorbed in the second strong magnetic sleeve through the second hexagonal groove; a through groove is formed in the bottom of the C-shaped support and coaxially communicated with the second hexagonal groove. The utility model can solve the problems that the air pipe bolt and the air pipe nut are inconvenient to install in a narrow space and the efficiency is low in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering technical field especially relates to a narrow space air pipe bolt installation and dismounting tool. BACKGROUND

[0002] Air pipe is widely used as the circulation channel of air in building structure, during installation, air pipe is mostly arranged in wall, ceiling, exhaust channel and fixed on fixed frame body such as support, bracket, hanger through hoop, the connection between hoop and fixed frame body is usually fixed by bolt and nut, the construction personnel need to fix nut with one hand, and the bolt is penetrated through the reserved connecting hole of hoop and fixed frame body and screwed with nut to be fixed after being fixed through screwdriver or special bolt installation drill.

[0003] But in actual installation, since the installation space of air pipe is mostly narrow, the space requirement of screwdriver or special bolt installation drill operation is relatively large, leading to difficult and low efficiency of bolt and nut fastening operation in narrow space, if bolt and nut are not firmly installed, looseness exists in the process of use due to frequent vibration of air pipe, and certain safety hazard exists, therefore, it is necessary to provide a narrow space air pipe bolt installation and dismounting tool, which can solve the problems of inconvenient installation and low efficiency of air pipe bolt and air pipe nut in narrow space in the prior art. SUMMARY

[0004] The utility model discloses a narrow space air pipe bolt installation and dismounting tool can solve the inconvenient installation and low efficiency of air pipe bolt and air pipe nut in narrow space in prior art.

[0005] The utility model discloses a narrow space air pipe bolt installation and dismounting tool can solve the inconvenient installation and low efficiency of air pipe bolt and air pipe nut in narrow space in prior art.

[0006] A narrow space air pipe bolt installation and dismounting tool, including connecting sleeve, C-shaped support, connecting rod, handle, handle, first strong magnetic sleeve and second strong magnetic sleeve, handle is installed at the top of connecting sleeve, C-shaped support is installed at the bottom of connecting sleeve, and connecting rod is installed in connecting sleeve, and the upper end of connecting rod is connected with handle and handle, and the lower end of connecting rod is inserted in C-shaped support and is connected with the top of first strong magnetic sleeve, the bottom of first strong magnetic sleeve forms first hexagonal groove, second strong magnetic sleeve is arranged at the bottom of the inner wall of C-shaped support, second strong magnetic sleeve forms second hexagonal groove that passes through second strong magnetic sleeve, and first hexagonal groove and second hexagonal groove are coaxial and opposite arrangement, the head of air pipe bolt is adsorbed in first strong magnetic sleeve through first hexagonal groove, and air pipe bolt body extends to second hexagonal groove, and air pipe nut is adsorbed in second strong magnetic sleeve through second hexagonal groove, the bottom of C-shaped support forms through groove, and through groove is coaxial with second hexagonal groove.

[0007] The inner wall of the C-shaped support is formed with a positioning baffle at the upper portion, a pin hole is formed on the connecting rod, a positioning pin shaft is inserted through the pin hole and connected to the connecting rod, and one end of the positioning pin shaft abuts against the positioning baffle.

[0008] The upper portion of the connecting rod is fixedly provided with a fixed sheet, a spring is sleeved on the connecting rod, the lower end of the spring is fixedly connected to the fixed sheet, and the upper end of the spring abuts against the bottom surface of the handle.

[0009] The middle portion of the handle is formed with a through hole through which the connecting rod penetrates, a clamping groove is formed in the bottom portion of the through hole, the diameter of the clamping groove is larger than the hole diameter of the through hole, and the upper end of the connecting sleeve pipe is matched and inserted into the clamping groove.

[0010] The top portion of the C-shaped support is formed with a coaxially communicated fixed groove and a through hole, the diameter of the fixed groove is larger than the hole diameter of the through hole, the fixed groove is located at the top portion of the through hole, the through hole is located above the side of the positioning baffle, the lower end of the connecting sleeve pipe is matched and inserted into the fixed groove, and the connecting rod penetrates through the through hole.

[0011] The top portion of the first strong magnetic sleeve is formed with a first threaded groove, an outer thread matched with the first threaded groove is formed on the outer wall of the lower end of the connecting rod, and the first strong magnetic sleeve is detachably connected to the lower end of the connecting rod.

[0012] The bottom portion of the C-shaped support is formed with a second threaded groove, the second threaded groove is coaxially communicated with the through groove, the bottom portion of the second strong magnetic sleeve is formed with a connecting portion, an outer thread matched with the second threaded groove is formed on the outer wall of the connecting portion, and the second strong magnetic sleeve is detachably connected to the C-shaped support through the connecting portion.

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

[0014] 1、The utility model discloses a connecting sleeve pipe, a C-shaped support, a connecting rod, a first strong magnetic sleeve and a second strong magnetic sleeve are arranged, the overall height of the connecting sleeve pipe, the C-shaped support and the connecting rod can be adaptively adjusted according to the rotation range required for the installation and removal of the bolt, the requirement for the construction space is smaller, and the installation and removal requirements of the bolt in a small space can be met.

[0015] 2. The utility model discloses a spring, positioning baffle and positioning pin shaft are provided with, when the connecting rod is pulled up to the pin hole higher than the positioning baffle, can be inserted the positioning pin shaft and leans on the positioning baffle, locks the connecting rod, thereby convenient to clamp the air pipe bolt head to the first hexagonal groove and clamp the air pipe nut to the second hexagonal groove, simultaneously compresses the spring, makes the spring elasticity push down the connecting rod reset after pulling out the positioning pin shaft, convenient to insert the air pipe bolt body into the nut, improve the installation efficiency and convenience of air pipe bolt, be more applicable to the construction of small space.

[0016] 3. The utility model discloses a first strong magnetic sleeve and second strong magnetic sleeve are provided with, and the first strong magnetic sleeve is connected through the thread of connecting rod, and the second strong magnetic sleeve is connected through the thread of C-shaped support, convenient and fast to disassemble and assemble, can replace the first strong magnetic sleeve and second strong magnetic sleeve of corresponding specification according to actual use demand, improve the versatility and adaptability of whole tool. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the sectional view of the utility model narrow space air pipe bolt installation tool,

[0018] Figure 2 It is the partial side view of the utility model narrow space air pipe bolt installation tool,

[0019] Figure 3 It is the sectional view of the handle in the utility model narrow space air pipe bolt installation tool,

[0020] Figure 4 It is the sectional view of C-shaped support in the utility model narrow space air pipe bolt installation tool,

[0021] Figure 5 It is the installation sectional view of the first strong magnetic sleeve and second strong magnetic sleeve in the utility model narrow space air pipe bolt installation tool.

[0022] In the drawing, 1, connecting sleeve; 2, C-shaped support; 3, connecting rod; 4, handle; 5, handle; 6, first strong magnetic sleeve; 7, first hexagonal groove; 8, second strong magnetic sleeve; 9, second hexagonal groove; 10, clamping groove; 11, fixed groove; 12, through -hole; 13, fixed sheet; 14, spring; 15, positioning baffle; 16, pin hole; 17, positioning pin shaft; 18, first screw groove; 19, second screw groove; 20, through groove; 21, connecting portion. DETAILED DESCRIPTION

[0023] The utility model will be further described below in connection with the drawings and specific embodiment.

[0024] Please see the attached Figure 1The utility model provides a narrow space air pipe bolt mounting and dismounting tool, including connecting sleeve 1, C-shaped support 2, connecting rod 3, handle 4, handle 5, first strong magnetic sleeve 6 and second strong magnetic sleeve 8, handle 4 is installed at the top of connecting sleeve 1, C-shaped support 2 is installed at the bottom of connecting sleeve 1, and connecting rod 3 is installed in connecting sleeve 1, and the upper end of connecting rod 3 is connected with handle 5 and passes through handle 4, and the lower end of connecting rod 3 is inserted in C-shaped support 2 and is connected with the top of first strong magnetic sleeve 6, the bottom of first strong magnetic sleeve 6 is formed with first hexagonal groove 7, second strong magnetic sleeve 8 is arranged at the bottom of the inner wall of C-shaped support 2, second strong magnetic sleeve 8 is formed with second hexagonal groove 9 penetrating second strong magnetic sleeve 8, and first hexagonal groove 7 is coaxially arranged with second hexagonal groove 9, the head of air pipe bolt is adsorbed in first strong magnetic sleeve 6 through first hexagonal groove 7, the body of air pipe bolt extends to second hexagonal groove 9, and the air pipe nut is adsorbed in second strong magnetic sleeve 8 through second hexagonal groove 9, the bottom of C-shaped support 2 is formed with through groove 20, and through groove 20 is coaxially communicated with second hexagonal groove 9.

[0025] Preferably, connecting sleeve 1 can be made of PVC pipe or other rigid pipe, and the length of connecting sleeve 1 can be adjusted according to the height of the narrow space; connecting rod 3 can be made of a rigid straight rod with a diameter smaller than the inner diameter of connecting sleeve 1, and the length of connecting rod 3 is longer than that of connecting sleeve 1, and the length difference between connecting rod 3 and connecting sleeve 1 can be adjusted according to the range of the screwing length of the air pipe bolt, so that connecting rod 3 can meet the requirements of screwing and tightening the air pipe bolt in the narrow space. The height of the whole tool is relatively small, and the requirement for installation space is greatly reduced compared with screwdrivers or special air pipe bolt installation drills.

[0026] First strong magnetic sleeve 6 and second strong magnetic sleeve 8 can be made of magnetic material, which can adsorb the air pipe bolt and the air pipe nut, and there is no need to hold the air pipe bolt and the air pipe nut by hand. First hexagonal groove 7 and second hexagonal groove 9 can match the hexagonal structure of the head of the air pipe bolt and the air pipe nut, ensuring that the head of the air pipe bolt is clamped in first strong magnetic sleeve 6 without falling out or relative rotation, and the air pipe nut clamped in second strong magnetic sleeve 8 cannot fall out or rotate relatively, which is more convenient and labor-saving.

[0027] Handle 5 is used to control the rotation of connecting rod 3, so as to drive the air pipe bolt in first strong magnetic sleeve 6 and first hexagonal groove 7 to rotate synchronously by connecting rod 3, and the air pipe bolt rotates relative to the air pipe nut to realize the installation and dismounting of the air pipe bolt. C-shaped support 2 has a certain space inside, which serves as the construction space for adsorbing and tightening the air pipe bolt and the air pipe nut.

[0028] Please refer to the attached Figure 1 and the attached Figure 2The inner wall of the C-shaped support 2 is provided with a positioning baffle 15, the connecting rod 3 is provided with a pin hole 16, and a positioning pin shaft 17 is inserted through the pin hole 16 and connected to the connecting rod 3, and one end of the positioning pin shaft 17 abuts against the positioning baffle 15.

[0029] Preferably, the plate surface of the positioning baffle 15 is perpendicular to the axial direction of the connecting rod 3, and the pin hole 16 is arranged along the radial direction of the connecting rod 3. Through the arrangement of the positioning baffle 15 and the insertion of the positioning pin shaft 17, the positioning pin shaft 17 can abut against the positioning baffle 15 after penetrating through the pin hole 16, thereby locking the connecting rod 3, facilitating the placement or removal of the air pipe bolt in the first hexagonal groove 7 and the air pipe nut in the second hexagonal groove 9. The connecting rod 3 is unlocked by pulling out the positioning pin shaft 17.

[0030] Please refer to the accompanying drawings Figure 1 The upper part of the connecting rod 3 is fixedly provided with a fixed sheet 13, and the connecting rod 3 is sleeved with a spring 14, the lower end of the spring 14 is fixedly connected to the fixed sheet 13, and the upper end of the spring 14 abuts against the bottom surface of the handle 4.

[0031] When the connecting rod 3 is lifted upward to be higher than the positioning baffle 15, the spring 14 is in a compressed state, that is, the spring 14 is compressed and stored in the locking state of the connecting rod 3, so that after the connecting rod 3 is unlocked by pulling out the positioning pin shaft 17, the connecting rod 3 can be moved downward and reset by the elastic force of the spring 14, thereby moving the connecting rod 3 and the air pipe bolt downward to approach the air pipe nut, facilitating the installation of the air pipe bolt and the air pipe nut.

[0032] Please refer to the accompanying drawings Figure 3 The middle part of the handle 4 is formed with a through hole for the connecting rod 3 to penetrate, and the bottom of the through hole is formed with a clamping groove 10, the diameter of the clamping groove 10 is larger than the hole diameter of the through hole, and the upper end of the connecting sleeve 1 is matched and inserted into the clamping groove 10.

[0033] Preferably, the connecting sleeve 1 and the clamping groove 10 can be connected in an interference fit manner, which is reliable and convenient to install. The hole diameter of the through hole is slightly larger than the diameter of the connecting rod 3, so that the connecting rod 3 can penetrate the handle 4 and can be flexibly rotated and stretched under the driving of the handle 5.

[0034] Please refer to the accompanying drawings Figure 4 The top of the C-shaped support 2 is formed with a coaxially communicating fixed groove 11 and a through hole 12, the diameter of the fixed groove 11 is larger than the hole diameter of the through hole 12, the fixed groove 11 is located at the top of the through hole 12, the through hole 12 is located above the side of the positioning baffle 15, the lower end of the connecting sleeve 1 is matched and inserted into the fixed groove 11, and the connecting rod 3 penetrates the through hole 12.

[0035] Preferably, the hole diameter of the through hole 12 is slightly larger than the diameter of the connecting rod 3, so that the connecting rod 3 can penetrate the upper part of the C-shaped support 2 and be inserted into the internal space of the C-shaped support 2, and can be flexibly rotated and telescoped under the driving of the handle 5. The connecting sleeve 1 and the fixing groove 11 can be connected in an interference fit manner, which is reliable in connection and convenient to install.

[0036] Please refer to the accompanying drawings Figure 5 The top of the first strong magnetic sleeve 6 is formed with a first threaded groove 18, and the outer wall of the lower end of the connecting rod 3 is formed with an external thread matched with the first threaded groove 18, so that the first strong magnetic sleeve 6 can be detachably connected to the lower end of the connecting rod 3.

[0037] The first strong magnetic sleeve 6 and the connecting rod 3 are connected in a threaded manner, which is convenient and fast to disassemble and assemble, and the corresponding specification of the first strong magnetic sleeve 6 can be selected according to the specification of the air pipe bolt to be installed and disassembled, thereby improving the versatility of the whole tool.

[0038] Please refer to the accompanying drawings Figure 5 The bottom of the C-shaped support 2 is formed with a second threaded groove 19, and the second threaded groove 19 is coaxially communicated with the through groove 20; the bottom of the second strong magnetic sleeve 8 is formed with a connecting portion 21, and the outer wall of the connecting portion 21 is formed with an external thread matched with the second threaded groove 19, so that the second strong magnetic sleeve 8 can be detachably connected to the C-shaped support 2 through the connecting portion 21.

[0039] The second strong magnetic sleeve 8 and the C-shaped support 2 are connected in a threaded manner, which is convenient and fast to disassemble and assemble, and the corresponding specification of the second strong magnetic sleeve 8 can be selected according to the specification of the air pipe bolt to be installed and disassembled, thereby improving the versatility of the whole tool.

[0040] Please refer to the accompanying drawings Figure 1 to Figure 5 The use method and working principle of the utility model are as follows:

[0041] The construction personnel hold the handle 4 and the handle 5, pull the handle 5 upward relative to the handle 4, compress the spring 14 to store energy, the connecting rod 3 moves upward synchronously with the handle 5 to the position that the pin hole 16 is higher than the positioning baffle 15, the positioning pin shaft 17 penetrates the pin hole 16 and the end of the positioning pin shaft 17 abuts against the positioning baffle 15, and the connecting rod 3 is locked.

[0042] The air pipe nut is embedded into the second hexagonal groove 9, and the air pipe nut cannot fall out of the second hexagonal groove 9 by the magnetic attraction of the second strong magnetic sleeve 8. The air pipe bolt head is embedded into the first hexagonal groove 7, and the air pipe bolt cannot fall out of the first hexagonal groove 7 by the magnetic attraction of the first strong magnetic sleeve 6. At this time, an installation interval is left between the air pipe bolt and the air pipe nut, and the installation interval only needs to meet the requirement that the air pipe bolt and the air pipe nut are placed above and below the connecting holes of the hoop and the fixed support rod and the like.

[0043] The whole tool is moved to the installation position of the duct bolt duct nut, the duct nut is placed at the bottom of the connecting hole reserved on the hoop and the fixed support rod, and the duct bolt is placed above the connecting hole. The positioning pin shaft 17 is pulled out, the connecting rod 3 is pushed to move downward under the elastic force of the spring 14, the duct bolt body is inserted into the duct nut after penetrating the connecting hole of the hoop and the fixed support. The handle 5 is rotated to drive the connecting rod 3 to rotate synchronously in the connecting sleeve 1, so that the duct bolt is driven to rotate synchronously by the first strong magnetic sleeve 6, and the duct bolt is screwed into the duct nut and tightened and fixed, and the duct bolt body penetrates the duct nut and the through groove 20.

[0044] After the duct bolt is tightened on the duct nut, the hoop, the fixed support, the duct bolt and the duct nut of the duct are connected into a fixed whole. At this time, the handle 5 is pulled upward, the first strong magnetic sleeve 6 can be separated from the duct bolt head, the connecting rod 3 moves upward synchronously with the handle 5 to the position that the pin hole 16 is higher than the positioning stop bar 15, the positioning pin shaft 17 penetrates the pin hole 16 and the end of the positioning pin shaft 17 abuts against the positioning stop bar 15, and the connecting rod 3 is locked again. The whole tool is moved downward, the second strong magnetic sleeve 8 is separated from the duct nut, so that the whole tool can be removed from the fixed support, and the installation operation of the duct bolt is completed.

[0045] When the duct bolt needs to be disassembled, the connecting rod 3 is locked on the positioning stop bar 15 through the positioning pin shaft 17, the whole tool is moved to the duct bolt duct nut to be disassembled, the second hexagonal groove 9 of the second strong magnetic sleeve 8 is aligned with the duct nut, the first strong magnetic sleeve 6 is aligned with the duct bolt head, the positioning pin shaft 17 is pulled out, the duct bolt head is clamped into the first hexagonal groove 7 by using the elastic force of the spring 14 and the pushing force of the handle 5. The handle 5 is rotated to drive the duct bolt to rotate and make it rotate out of the duct nut. After rotating out, the duct bolt duct nut is not dropped by magnetic adsorption, the whole tool is removed, and the duct bolt duct nut can be recycled.

[0046] The above is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application, therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tool for installing and removing bolts in confined spaces for air ducts, characterized in that: The device includes a connecting sleeve (1), a C-shaped bracket (2), a connecting rod (3), a handle (4), a grip (5), a first strong magnetic sleeve (6), and a second strong magnetic sleeve (8). The handle (4) is installed on the top of the connecting sleeve (1), the C-shaped bracket (2) is installed on the bottom of the connecting sleeve (1), the connecting rod (3) is installed through the connecting sleeve (1), and the upper end of the connecting rod (3) passes through the handle (4) and is connected to the grip (5). The lower end of the connecting rod (3) is inserted into the C-shaped bracket (2) and is connected to the top of the first strong magnetic sleeve (6). A first hexagon is formed in the bottom of the first strong magnetic sleeve (6). The groove (7) and the second strong magnetic sleeve (8) are set at the bottom of the inner wall of the C-shaped bracket (2). A second hexagonal groove (9) is formed inside the second strong magnetic sleeve (8). The first hexagonal groove (7) and the second hexagonal groove (9) are coaxially opposite to each other. The duct bolt head is attracted to the first strong magnetic sleeve (6) through the first hexagonal groove (7). The duct bolt body extends to the second hexagonal groove (9). The duct nut is attracted to the second strong magnetic sleeve (8) through the second hexagonal groove (9). A through groove (20) is formed at the bottom of the C-shaped bracket (2). The through groove (20) is coaxially connected to the second hexagonal groove (9).

2. The tool for installing and removing bolts in confined spaces as described in claim 1, characterized in that: The upper part of the inner wall of the C-shaped bracket (2) is provided with a positioning strip (15), and a pin hole (16) is provided on the connecting rod (3). The positioning pin (17) can be inserted through the pin hole (16) and connected to the connecting rod (3), and one end of the positioning pin (17) can abut against the positioning strip (15).

3. The tool for installing and removing bolts in confined spaces according to claim 2, characterized in that: The upper part of the connecting rod (3) is fixedly provided with a fixing plate (13), and a spring (14) is sleeved on the connecting rod (3). The lower end of the spring (14) is fixedly connected to the fixing plate (13), and the upper end of the spring (14) abuts against the bottom surface of the handle (4).

4. The tool for installing and removing bolts in confined spaces for ductwork according to claim 1 or 3, characterized in that: The handle (4) has a through hole in the middle for the connecting rod (3) to pass through. A slot (10) is formed in the bottom of the through hole. The diameter of the slot (10) is larger than the diameter of the through hole, so that the upper end of the connecting sleeve (1) is matched and inserted into the slot (10).

5. The tool for installing and removing bolts in confined spaces according to claim 2, characterized in that: The top of the C-shaped bracket (2) has a coaxially connected fixing groove (11) and a through hole (12). The diameter of the fixing groove (11) is larger than the diameter of the through hole (12). The fixing groove (11) is located at the top of the through hole (12). The through hole (12) is located on the side above the positioning stop (15), so that the lower end of the connecting sleeve (1) is matched and inserted into the fixing groove (11). The connecting rod (3) passes through the through hole (12).

6. The tool for installing and removing bolts in confined spaces as described in claim 1, characterized in that: The top of the first strong magnetic sleeve (6) is formed with a first threaded groove (18), and the lower end of the connecting rod (3) is formed with an external thread that matches the first threaded groove (18), so that the first strong magnetic sleeve (6) is detachably connected to the lower end of the connecting rod (3).

7. The tool for installing and removing bolts in confined spaces as described in claim 1, characterized in that: The bottom of the C-shaped bracket (2) has a second threaded groove (19) and a through groove (20) coaxially connected; the bottom of the second strong magnetic sleeve (8) has a connecting part (21) and an external thread matching the second threaded groove (19) is formed on the outer wall of the connecting part (21), so that the second strong magnetic sleeve (8) is detachably connected to the C-shaped bracket (2) through the connecting part (21).

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