Special dismounting tool for converter shell screws

Abstract

A special dismounting tool for a screw of a converter shell belongs to the technical field of auxiliary tools and comprises a base, a fastening frame, a threaded guide sleeve, a threaded inner sleeve and an adapter, a converter is fixed between the base and the fastening frame, a screwdriver head is mounted in a hexagonal hole in the bottom of the adapter, and the screw is screwed into the threaded guide sleeve. The height of the screwdriver head can be adjusted through the thread meshing depth of the thread guide sleeve and the thread inner sleeve, so that a converter shell screw is tightly pressed, the hexagonal prism at the upper end of the connector is rotated through a ratchet wrench, the dismounting torque is reliably transmitted, the purpose of safe and lossless dismounting is achieved, the working efficiency can be improved, and the working efficiency is improved. The problem that converter shell screws are difficult to disassemble in the product repairing process is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of auxiliary tools, and particularly relates to a special dismounting tool for a converter shell screw. BACKGROUND

[0002] In the product repair process, if the converter exists faults, the converter shell needs to be dismounted for repair, the screw on the converter shell is small, has a thread glue and has rust, the screw is difficult to dismount, when the screw is dismounted by a screwdriver, the screw head is easily damaged, the screw cannot be dismounted, the screw is dismounted by a hammer and a chisel, and the product is damaged, therefore, a special tool for dismounting the converter shell screw needs to be designed. CONTENT OF THE UTILITY MODEL

[0003] In view of the defects in the prior art, the utility model aims at designing a special dismounting tool for a converter shell screw, and aims at solving the problems of difficulty in screw dismounting and product damage risk.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a special dismounting tool for a converter shell screw, comprising a base, a fastening frame, a threaded guide sleeve, a threaded inner sleeve and an adapter, the base and the fastening frame are matched to clamp and position the shell of the converter, the threaded guide sleeve, the threaded inner sleeve and the adapter are matched with a screwdriver to dismount the screw of the converter.

[0005] The base is a rectangular block structure as a whole, an arc-shaped through groove is arranged on the middle of the upper surface, the groove body arc of the arc-shaped through groove is matched with the shell arc of the converter, the two side edges of the arc-shaped through groove are symmetrically provided with threaded holes A, and the two sides of the base are provided with strip-shaped grooves facilitating carrying.

[0006] The fastening frame is a trapezoidal block structure with a circular arc groove at the bottom as a whole, the circular arc groove is matched with the shell arc of the converter, the groove bottom of the circular arc groove is provided with a positioning square groove, the center of the positioning square groove is provided with a circular through hole, the diameter of the circular through hole is matched with the outer diameter of the threaded guide sleeve, the four corners of the bottom of the positioning square groove are provided with screw holes for assembling the threaded guide sleeve, the two sides of the fastening frame are provided with screw grooves, the screw grooves are provided with threaded holes B, the threaded holes B are provided with compression screws, and the fastening frame is mounted on the base by the compression screws.

[0007] The threaded guide sleeve comprises a bottom plate part and a column part, the center of the end face of the bottom plate part is connected with the column part, the column part is integrated with the bottom plate part, the threaded guide sleeve is axially provided with a threaded through hole penetrating through the bottom plate part and the column part, the threaded through hole is matched with the external thread of the threaded inner sleeve, the four corners of the bottom plate part are provided with through holes matched with screw holes of the fastening frame, screws are used to fix the threaded guide sleeve in the positioning square groove of the fastening frame, and the column part penetrates through the circular through hole of the fastening frame.

[0008] The threaded inner sleeve comprises a hexagonal prism part and a cylindrical part, the center of one end of the cylindrical part is connected with the hexagonal prism part, the cylindrical part and the hexagonal prism part are integrated, the threaded inner sleeve is axially provided with a stepped circular hole penetrating through the cylindrical part and the hexagonal prism part, the outer wall of the cylindrical part is provided with external threads, the threaded through hole of the threaded guide sleeve is threadedly connected with the external threads, and the inside of the threaded inner sleeve is matched with the adapter through the stepped circular hole.

[0009] The adapter comprises a hexagonal prism at the upper portion and a stepped cylindrical part at the lower portion, the hexagonal prism and the stepped cylindrical part are coaxially arranged, one end of the hexagonal prism is integrated with the upper cylindrical part of the stepped cylindrical part, the stepped cylindrical part is matched with the stepped circular hole of the threaded inner sleeve, and the lower cylindrical part of the stepped cylindrical part is axially provided with a hexagonal hole in the inside for mounting a screwdriver bit.

[0010] The tool has been used for the dismounting work of the screw of the converter shell of a product, the tool improves the dismounting efficiency of the screw of the converter shell, reduces the influence of human factors, guarantees repair quality, and reduces equipment consumption. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a whole structure schematic view of the utility model.

[0012] Figure 2 It is Figure 1 It is a A-A section view schematic view.

[0013] Figure 3 It is a base structure schematic view of the utility model.

[0014] Figure 4 It is a fastening frame structure schematic view of the utility model.

[0015] Figure 5 It is a threaded guide sleeve structure schematic view of the utility model.

[0016] Figure 6 It is a threaded inner sleeve structure schematic view of the utility model.

[0017] Figure 7 It is an adapter structure schematic view of the utility model.

[0018] In the figure: 1, base, 101, arc-shaped through slot, 102, threaded hole A, 103, strip-shaped slot, 2, fastening frame, 201, circular arc slot, 202, positioning square slot, 203, circular through hole, 204, screw slot, 205, threaded hole B, 3, threaded guide sleeve, 301, bottom plate part, 302, column part, 303, threaded through hole, 304, through hole, 4, threaded inner sleeve, 401, hexagonal prism part, 402, cylindrical part, 5, adapter, 501, hexagonal prism, 502, stepped cylinder, 6, fixing screw, 7, compression screw. DETAILED DESCRIPTION

[0019] The technical scheme of the present application will be described clearly and completely below in combination with the drawings in the present specification, and it should be noted that the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0020] Please refer to Figures 1-5The utility model provides a special dismounting tool of converter shell screw, including base 1, fixed frame 2, threaded guide sleeve 3, threaded inner sleeve 4 and adapter 5, base 1 is cooperated with fixed frame 2 and is carried out clamping and positioning to the shell of converter, and the screw of converter is dismounted through threaded guide sleeve 3, threaded inner sleeve 4 and adapter 5 cooperation screw driver, the whole base 1 is rectangular block structure, and is equipped with arc through slot 101 in the middle of its upper surface, the groove body arc of arc through slot 101 is cooperated with the arc of the shell of converter, and the two side edges of arc through slot 101 are equipped with the threaded hole A 102 of mutual symmetry at interval, and the both sides of base 1 are equipped with strip slot 103 convenient for carrying, the whole fixed frame 2 is trapezoidal block structure with circular arc groove 201 in the bottom, and the arc of circular arc groove 201 is cooperated with the arc of converter shell, and the bottom of circular arc groove 201 is equipped with the positioning square groove 202, the center of positioning square groove 202 is equipped with circular through-hole 203, the diameter of circular through-hole 203 is cooperated with the outer diameter of threaded guide sleeve 3, and the four corners of the bottom of positioning square groove 202 are equipped with screw hole for assembling threaded guide sleeve 3, and the both sides of fixed frame 2 are equipped with screw groove 204, and screw groove 204 is equipped with threaded hole B 205, and threaded hole B 205 is equipped with compression screw 7, and fixed frame 2 is installed on base 1 through compression screw 7, the bottom plate part 301 of threaded guide sleeve 3 is connected with the column body part 302 in the center of end face, and the column body part 302 is solid with the bottom plate part 301, and threaded guide sleeve 3 is axially equipped with threaded through-hole 303 that passes through the bottom plate part 301 and the column body part 302, and is cooperated with the outer thread of threaded inner sleeve 4 through threaded through-hole 303, and the four corners of bottom plate part 301 are equipped with through-hole 304 that is cooperated with the screw hole of fixed frame 2, and threaded guide sleeve 3 is fixed in the positioning square groove 202 of fixed frame 2 through fixed screw 6, and the column body part 302 passes through the circular through-hole 203 of fixed frame 2, the six prism part 401 of threaded inner sleeve 4 is connected with the circular cylinder part 402 in the center of one end, and the circular cylinder part 402 and the six prism part 401 are solid, and threaded inner sleeve 4 is axially equipped with stepped round hole that passes through the circular cylinder part 402 and the six prism part 401, and the outer wall of circular cylinder part 402 is equipped with outer thread, and is screw connected with the threaded through-hole 303 of threaded guide sleeve 3, and the inside of threaded inner sleeve 4 is cooperated with adapter 5 through stepped round hole, the six prism 501 of adapter 5 and the stepped circular cylinder 502 are coaxially arranged, and the one end of six prism 501 is solid with the upper cylinder of stepped circular cylinder 502, and the stepped circular cylinder 502 is cooperated with the stepped round hole of threaded inner sleeve 4, and the six prism hole for installing screw driver head is axially arranged in the lower cylinder inside of stepped circular cylinder 502.

[0021] During the use of this utility model:

[0022] First, place the base 1 horizontally with its arc-shaped through groove 101 facing upwards. Then, place the converter in the arc-shaped through groove 101 and rotate the converter housing so that the screw to be removed faces upwards. Insert the screwdriver head into the hexagonal hole at the bottom of the adapter 5. The height of the screwdriver head can be adjusted by using the thread engagement depth of the threaded guide sleeve 3 and the threaded inner sleeve 4, thereby pressing the screw to be removed on the converter housing. Then, use the clamping screw 7 to fix the fastening bracket 2 on the base 1 and use the fastening bracket 2 to clamp the converter housing. Next, rotate the threaded inner sleeve 3 of the fastening bracket 7 to press the adapter 5 so that the screwdriver head in the adapter 5 presses on the screw to be removed on the converter housing. Finally, use a ratchet wrench to rotate the hexagonal prism 501 on the top of the adapter 5 to loosen and remove the screw.

[0023] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0024] The parts of this utility model not described in detail are existing technologies.

Claims

1. A special dismounting tool for the converter housing screw, comprising a base (1), a fastening frame (2), a threaded guide sleeve (3), a threaded inner sleeve (4) and an adapter (5), characterized in that: The base (1) and the fastening frame (2) cooperate to clamp and position the shell of the converter, and the screw of the converter is disassembled through the cooperation of the threaded guide sleeve (3), the threaded inner sleeve (4) and the adapter (5) and the screwdriver bit. The base (1) is a rectangular block structure as a whole, and an arc-shaped through slot (101) is arranged at the middle of the upper surface of the base (1), the arc degree of the arc-shaped through slot (101) is matched with the arc degree of the shell of the converter, and the two side edges of the arc-shaped through slot (101) are provided with symmetrically arranged threaded holes A (102) at intervals. The fastening frame (2) is a trapezoidal block structure with a circular arc slot (201) at the bottom, the arc degree of the circular arc slot (201) is matched with the arc degree of the shell of the converter, a positioning square groove (202) is arranged at the bottom of the circular arc slot (201), a circular through hole (203) is arranged at the center of the positioning square groove (202), the diameter of the circular through hole (203) is matched with the outer diameter of the threaded guide sleeve (3), screw holes for assembling the threaded guide sleeve (3) are arranged at the four corners of the bottom of the positioning square groove (202), screw grooves (204) are arranged at the two sides of the fastening frame (2), the screw grooves (204) are provided with threaded holes B (205), the threaded holes B (205) are provided with compression screws (7), and the fastening frame (2) is mounted on the base (1) through the compression screws (7).

2. A special-purpose disassembling tool for a flow converter housing screw according to claim 1, characterized in that: The threaded guide sleeve (3) comprises a bottom plate portion (301) and a columnar portion (302), the center of the end face of the bottom plate portion (301) is connected with the columnar portion (302), the columnar portion (302) is integrated with the bottom plate portion (301), the threaded guide sleeve (3) is provided with a threaded through hole (303) penetrating through the bottom plate portion (301) and the columnar portion (302) in the axial direction, the threaded through hole (303) is matched with the external thread of the threaded inner sleeve (4), the four corners of the bottom plate portion (301) are provided with through holes (304) matched with the screw holes of the fastening frame (2), a fixing screw (6) is used to fix the threaded guide sleeve (3) in the positioning square groove (202) of the fastening frame (2), and the columnar portion (302) penetrates through the circular through hole (203) of the fastening frame (2).

3. A special-purpose dismounting tool for a flow machine housing screw according to claim 1, characterized in that: The threaded inner sleeve (4) comprises a hexagonal column portion (401) and a circular column portion (402), the center of one end of the circular column portion (402) is connected with the hexagonal column portion (401), the circular column portion (402) and the hexagonal column portion (401) are integrated, the threaded inner sleeve (4) is provided with a stepped circular hole penetrating through the circular column portion (402) and the hexagonal column portion (401) in the axial direction, the outer wall of the circular column portion (402) is provided with an external thread, the threaded through hole (303) of the threaded guide sleeve (3) is threadedly connected with the external thread, and the inside of the threaded inner sleeve (4) is matched with the adapter (5) through the stepped circular hole.

4. A special-purpose disassembling tool for a flow converter housing screw according to claim 1, characterized in that: The adapter (5) comprises an upper six-prism (501) and a lower stepped cylinder (502), the six-prism (501) and the stepped cylinder (502) are coaxially arranged, one end of the six-prism (501) is integrally connected with the upper cylinder of the stepped cylinder (502), the stepped cylinder (502) is matched with the stepped circular hole of the threaded inner sleeve (4), and a six-prism hole is arranged in the lower cylinder of the stepped cylinder (502) in an axial direction, and is used for mounting a screwdriver bit.

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