CN210548444U - Special tool for breaking and dismantling rusted nut with anti-rotation cutter - Google Patents

Abstract

The utility model discloses a special tool for breaking and dismantling rusted nuts with anti-rotation cutters, which comprises a handle, a cylindrical shell, a cutter, a fixing sleeve and a push rod, wherein one end of the shell is embedded in a through hole arranged on the handle, two anti-rotation channels are arranged on the side surface of the other end, the fixing sleeve is detachably arranged at one end of the shell far away from the handle, one end of the push rod is provided with a hydraulic propulsion device, the other end extends into the shell to be contacted with the cutter, the cutter is provided with an anti-rotation rod passing through the anti-rotation channels, the end part of the anti-rotation rod is connected with the handle through a spring, the utility model discloses a cutter, in the breaking and dismantling process, the anti-rotation rod of the cutter is matched with the anti-rotation channels, the cutter head is effectively prevented from rotating, the phenomenon that the nut is difficult to cut caused by the position deviation of the cutter head is, time and labor are saved, and the working efficiency is improved.

Description

Special tool for breaking and dismantling rusted nut with anti-rotation cutter

Technical Field

The utility model relates to a hand tool equipment technical field, specificly is an abolish special tool of tearing open of corrosion nut with prevent changeing the cutter.

Background

As society develops, steam traps become more and more utilized, and under normal conditions, it is required that the steam trap failure must be resolved in the shortest time. And because service environment is special, the flange joint bolt of steam trap is most rusty seriously for the operation difficulty of demolising the trap is heavy, often has following problem when changing the operation of trap:

1. the field operation environment for replacing the steam trap is narrow and limited in space. The common manual bow sawing operation mode has difficult disassembly operation and high labor intensity;

2. the steam trap nut is seriously rusted, and a common tool cannot work at all; the situation is different, sometimes the nut needs to be removed, sometimes the bolt needs to be cut off, and the rusted bolt and nut cannot be quickly removed due to the limitation of the operation position by using a saw bow or other tools;

3. cutting with other power tools or with a torch, a firing ticket must be issued and is dangerous and unpredictable.

And when using conventional spanner, pliers or other extracting tool to carry out the dismantlement of nut, waste time and energy and still need great operating space, consequently in order to solve these problems, need make specialized tool and improve maintenance quality and maintenance efficiency to reach the purpose of quick replacement trouble steam trap.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rust nut tears specialized tool open with prevent changeing the cutter, this instrument uses neotype nut cutter, can effectually prevent the tool bit in the use and rotate, promotes the cutter through the push rod and carries out the broken of nut and tear open to carry out the model change of cutter at fixation nut's position, convenient and fast has shortened the time of demolising the nut greatly, has reduced operation personnel's intensity of labour, and labour saving and time saving has improved work efficiency.

The utility model discloses a realize that the technical scheme that above-mentioned technical purpose adopted does: the utility model provides an it tears specialized tool open to rust nut with prevent changeing cutter, the instrument includes the handle, the through hole has been seted up to the one end of handle, insert cylindric casing in the through hole, the inside push rod that has hydraulic pressure advancing device that inserts of one end that the casing inserted the through hole, the free end of push rod supports the cutter that sets up inside the casing, two prevent changeing the passageway along what push rod advancing direction set up are seted up to the symmetry on the lateral wall of casing, be equipped with two on the cutter and prevent the bull stick, two tip of preventing the bull stick are stretched out two respectively and are prevented changeing the passageway and link to each other with the handle through the spring, the one end that the.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: the fixed cover comprises an opening and adjusting rods respectively arranged on two sides of the opening, a plurality of bolt holes located on different horizontal planes are formed in the adjusting rods, and nuts of different specifications are fixed by passing different bolt holes in the adjusting rods through bolts between the fixed cover and the shell.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: the rotation-proof channel is communicated with one end of the shell, which is close to the fixed sleeve.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: the hydraulic propelling device is arranged at the end part of the handle through a fixing frame.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: the handle comprises a holding rod and a connecting block which are fixedly connected, and the through hole is positioned on the connecting block.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: one side that the connecting block is close to the anti-rotation rod is equipped with the connecting rod, and the connecting rod is connected with the spring through setting up hole I at the tip.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: the width of the cross section of the anti-rotation rod is larger than that of the anti-rotation channel, and the anti-rotation rod is provided with a groove which is used for penetrating the anti-rotation channel and preventing the cutter from rotating so that the cutter slides along the direction of the anti-rotation channel.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: the anti-rotation rod is connected with the spring through a hole II formed in the end part.

As the utility model discloses a rust nut breaks further optimization of tearing specialized tool open with prevent changeing cutter: one end of the push rod, which is close to the cutter, is provided with a hemispherical bulge, and the cutter is provided with a hemispherical groove corresponding to the hemispherical bulge.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the utility model discloses use neotype cutter to cut the screw nut, use through preventing the cooperation of bull stick and preventing the rotation channel in the use, can effectually prevent that the tool bit from taking place to rotate, avoided the emergence of the difficult cutting phenomenon that the tool bit offset caused, convenient and fast has shortened the time of demolising the nut greatly, has reduced operation personnel's intensity of labour, labour saving and time saving has improved work efficiency;

2) the adjusting rod is arranged at the opening of the fixed sleeve, and the position of the adjusting rod is changed through the bolt, so that the fixed sleeve is positioned on different horizontal planes when being connected with the shell, and nuts with different sizes can be fixed;

3) the utility model discloses the anti-rotation channel communicates with the one end of the shell away from the handle, can change the model of the cutter through the anti-rotation channel to be applicable to different nut sizes, more convenient and faster;

4) the utility model discloses set up the spring between connecting block and anti-rotating rod for the nut is broken the in-process of withdrawing the push rod after tearing open, and the cutter is along with one of them is got out the broken mouth of tearing open of nut under the effect of spring, returns to unoperated state automatically.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the cutter of the present invention;

fig. 3 is a schematic view of the overall structure of the housing of the present invention;

FIG. 4 is a schematic view of the overall structure of the handle of the present invention;

the labels in the figure are: 1. the anti-rotation device comprises a handle, 101, a through hole, 102, a holding rod, 103, a connecting block, 104, a connecting rod, 105, a hole I, 2, a shell, 201, an anti-rotation channel, 3, a push rod, 4, a fixing sleeve, 401, an opening, 402, an adjusting rod, 5, a cutter, 501, an anti-rotation rod, 502, a groove, 503, a hole II, 6, a spring, 7, a hydraulic propelling device, 701 and a fixing frame.

Detailed Description

The invention will be further elucidated below on the basis of specific embodiments.

Example 1

As shown in figure 1, a special tool for breaking and dismantling a rusted nut with an anti-rotation cutter comprises a handle 1, wherein a through hole 101 is formed in one end of the handle 1, a cylindrical shell 2 is inserted into the through hole 101, a push rod 3 with a hydraulic propulsion device 7 is inserted into one end, inserted into the through hole 101, of the shell 2, the hydraulic propulsion device 7 is arranged at the end part of the handle 1 through a fixing frame 701, as shown in figure 3, two anti-rotation channels 201 arranged along the propulsion direction of the push rod 3 are symmetrically formed in the side surface of one end, far away from the through hole 101, of the shell 2, the anti-rotation channels 201 are communicated with one end, far away from the handle 1, of the shell 2, a cutter 5 sliding along the direction of the anti-rotation channels 201 is arranged inside one end, far away from the push rod 3, of the shell 2, the cutter 5 is in contact with the push rod 3, the cutter 5 is pushed to slide through the push rod 3, as shown in figure 2, two anti, a fixed sleeve 4 for fixing a nut is arranged at one end of the shell 2 away from the handle 1; prevent that the cross section width of bull stick 501 is greater than the width of preventing changeing passageway 201, and prevent being equipped with on the bull stick 501 and be used for passing and prevent changeing passageway 201 and prevent cutter 5 pivoted recess 502, the width and the thickness that the bull stick 501 was prevented in recess 502 department are unanimous with the size of preventing changeing passageway 201, so that cutter 5 can only cut along preventing changeing passageway 201 direction, can not rock the rotation at will, and prevent changeing passageway 201 and casing 2 and be close to the one end intercommunication of fixed cover 4, make cutter 5 install and replace along the direction of preventing changeing passageway 201, thereby carry out the broken operation of tearing open of not unidimensional nut.

As shown in fig. 4, the handle 1 includes a holding rod 102 and a connecting block 103 which are fixedly connected, the through hole 101 is located on the connecting block 103, a connecting rod 104 is arranged on one side of the connecting block 103 close to the anti-rotation rod 501, the connecting rod 104 is connected with the spring 6 through a hole i 105 arranged on the end portion, and the other end of the spring 6 is connected with the anti-rotation rod 501 through a hole ii 503 arranged on the end portion of the anti-rotation rod 501.

Example 2

This example is a further optimization of example 1: fixed cover 4 includes opening 401 and sets up the regulation pole 402 in opening 401 both sides respectively, all is equipped with a plurality of bolt holes that are located different horizontal planes on every regulation pole 402, passes the bolt hole of the not co-altitude on adjusting pole 402 through the bolt between fixed cover 4 and the casing 2 and is connected, and then adjusts the distance between fixed cover 4 and the casing 2, makes it fix the nut of not unidimensional.

Example 3

This example is a further optimization of example 1: the one end that push rod 3 is close to cutter 5 is equipped with the hemisphere arch, is equipped with the hemispherical recess corresponding with the hemisphere arch on cutter 5, combines together through hemisphere arch and hemispherical recess, has increased push rod 3 and cutter 5's area of contact for break open the in-process labour saving and time saving more.

The utility model discloses a use method does: when the nut is broken and disassembled, firstly, a proper cutter 5 is installed inside the shell 2 through the opening 401 of the fixed sleeve 4 and the anti-rotation channel 201, then the fixed sleeve 4 is connected to one end, far away from the handle 1, of the shell 2, the nut is fixed in the fixed sleeve 4, the push rod 3 is pushed towards the cutter 5 through the hydraulic propulsion device 7, the cutter 5 is tightly pushed against the nut, and then the cutter continues to move, so that the cutter 5 breaks and dissembles the nut along the anti-rotation channel 201, after the breaking and dissembling is completed, the push rod 3 is withdrawn afterwards, the cutter 5 moves towards the connecting block 103 along the anti-rotation channel 201 under the driving of the spring 6, so as to be far away from the nut, and then the replacement of the cutter 5 is continuously carried out through the anti-rotation channel 201 and the opening 401 of the fixed sleeve.

Claims (9)

1. The utility model provides a rust nut tears specialized tool open with prevent changeing the cutter which characterized in that: the instrument includes handle (1), through hole (101) have been seted up to the one end of handle (1), insert cylindric casing (2) in through hole (101), inside push rod (3) that have hydraulic pressure advancing device (7) of inserting one end of through hole (101) in casing (2), the free end of push rod (3) supports cutter (5) of setting in casing (2) inside, two anti-rotation channels (201) that set up along push rod (3) direction of propulsion are seted up to the symmetry on the lateral wall of casing (2), be equipped with two on cutter (5) and prevent bull stick (501), the tip of two anti-rotation poles (501) stretches out two respectively and prevents that rotation channels (201) and link to each other with handle (1) through spring (6), the one end that handle (1) was kept away from in casing (2) is equipped with fixation nut's fixed cover (4).

2. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: fixed cover (4) include opening (401) and set up regulation pole (402) in opening (401) both sides respectively, are equipped with a plurality of bolt holes that are located different horizontal planes on adjusting pole (402), pass through the bolt hole of adjusting difference on pole (402) through the bolt between fixed cover (4) and casing (2) and adjust the nut with fixed different specifications.

3. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: the anti-rotation channel (201) is communicated with one end of the shell (2) close to the fixed sleeve (4).

4. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: the hydraulic propulsion device (7) is arranged at the end part of the handle (1) through a fixing frame (701).

5. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: the handle (1) comprises a holding rod (102) and a connecting block (103) which are fixedly connected, and the through hole (101) is located in the connecting block (103).

6. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 5, is characterized in that: one side of the connecting block (103) close to the anti-rotation rod (501) is provided with a connecting rod (104), and the connecting rod (104) is connected with the spring (6) through a hole I (105) arranged at the end part.

7. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: the cross section width of the anti-rotation rod (501) is larger than the width of the anti-rotation channel (201), and the anti-rotation rod (501) is provided with a groove (502) which is used for penetrating the anti-rotation channel (201) and preventing the cutter (5) from rotating so that the cutter (5) slides along the direction of the anti-rotation channel (201).

8. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: the anti-rotation rod (501) is connected with the spring (6) through a hole II (503) arranged at the end part.

9. The special tool for breaking and dismantling the rusted nut with the anti-rotation cutter according to claim 1, is characterized in that: one end of the push rod (3) close to the cutter (5) is provided with a hemispherical bulge, and the cutter (5) is provided with a hemispherical groove corresponding to the hemispherical bulge.

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