Wrench structure for assembling and disassembling drill bit

Abstract

The wrench structure comprises a positioning ring sleeve and a pressing handle, a movable groove is formed in the side wall of the positioning ring sleeve in a penetrating mode, the end of the pressing handle penetrates through the movable groove, a binding pressing head is installed at the end, located on the inner side of the positioning ring sleeve, of the pressing handle, and a vertically-distributed assembly is arranged on the positioning ring sleeve. The arc-shaped cushion blocks with different thicknesses are additionally arranged on the positioning ring sleeve, the distance of the pressing handle extending into the inner side of the positioning ring sleeve is further adjusted in a matched mode, after adjustment is completed, the pressing handle is limited so that the pressing handle can move in a hinged mode with the positioning ring sleeve, and the positioning ring sleeve is connected to the outer side of a to-be-disassembled piece in a sleeved mode. The anti-skid lines on the arc-shaped cushion block are attached to the part to be disassembled and assembled, the part to be disassembled and assembled is clamped, the installation head of the part to be disassembled and assembled can be installed or separated by further twisting the positioning ring sleeve, actual use requirements are fully considered, the simple mechanical principle is adopted, the applicability of the wrench is greatly improved, and compared with the prior art, different wrenches do not need to be purchased for operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a field of dismounting tool, especially a wrench structure for assembling and disassembling drill bit. BACKGROUND

[0002] The drill bit is frequently used in the high-speed wire rod workshop maintenance bench work process, and the drill bit replacement frequency is high, so the drill bit assembling and disassembling wrench is needed. In the operation process, the drill bit assembling and disassembling wrench is small in size and easy to wear, especially the hard contact between the inner side of the clamping opening and the mounting part of the drill bit, which causes inconvenience to the replacement and dismounting work of the drill bit, and further may affect the overall work progress and production efficiency.

[0003] The utility model discloses a special wrench for dismounting anchor rod drill bit, including handle, the one end of handle is connected with sleeve, sleeve one end is equipped with the cooperation of anchor rod drill bit with card hole. Not only simple structure, convenient operation, but also realize the mutual separation of anchor rod drill bit and drill bit connecting sleeve, through the separate replacement anchor rod drill bit, make the drill bit connecting sleeve reusable, greatly reduce the production cost and the consumption of resources.

[0004] The above scheme is extremely inconvenient to use in actual use, because the six-petal handle is welded with the sleeve, and the acting hole suitable for the shape of the anchor rod drill bit is formed on the sleeve. Because the adaptability of the acting hole to the drill bit connecting sleeve is low, different wrenches need to be used to dismount and replace drill bit connecting sleeves of different sizes. In addition, when the wrench acts on the drill bit connecting sleeve, the phenomenon of slipping may occur after the wear of the acting hole, and the wrench cannot effectively act on the outside of the drill bit connecting sleeve.

[0005] Therefore, it is necessary to invent a wrench structure for assembling and dismounting drill bits. CONTENT OF THE UTILITY MODEL

[0006] The utility model solves the technical problem in the prior art, and provides a wrench structure for assembling and dismounting drill bits to solve the technical problems in the background art.

[0007] To solve the above technical problems, the utility model adopts the technical scheme that

[0008] A wrench structure for assembling and dismounting drill bits, comprising a positioning ring sleeve and a pressing handle, the side wall of the positioning ring sleeve is penetrated by a movable slot, the end of the pressing handle penetrates through the movable slot, and one end of the pressing handle located inside the positioning ring sleeve is provided with a restraint pressure head, the positioning ring sleeve is provided with vertically distributed combination parts, the combination parts can be detachably installed at the middle position of the movable slot, and the pressing handle and the positioning ring sleeve are hinged through the combination parts.

[0009] The arc-shaped pad block is detachably mounted on the inner side of the positioning ring sleeve, and the arc-shaped pad block and the positioning ring sleeve are combined and connected through a pin rod.

[0010] The inner wall of the arc-shaped pad block and the outer wall of the binding pressure head are provided with anti-skid lines.

[0011] Preferably, a clamping groove matched with the end of the pressing handle is formed at one end of the binding pressure head, a through hole is formed at the center position of the clamping groove, a threaded hole is formed at the corresponding position of the through hole of the pressing handle, and a long rod screw is embedded in the through hole and is screwed with the threaded hole.

[0012] Preferably, the positioning ring sleeve, the pressing handle and the binding pressure head are made of solid metal material, and the arc-shaped pad block is made of hard rubber material.

[0013] Preferably, a groove is formed in the inner side of the positioning ring sleeve, a first clamping tooth is arranged in the groove and is integrally arranged with the positioning ring sleeve, the arc-shaped pad block is semi-wrapped and attached to the inner side of the positioning ring sleeve, and a second clamping tooth is integrally arranged on the arc-shaped pad block and cooperates with the first clamping tooth.

[0014] Preferably, pin holes are formed on the positioning ring sleeve and the arc-shaped pad block in a corresponding distribution, and the pin rod is inserted into the pin holes.

[0015] Preferably, the combination includes a hexagonal bolt and a nut, the nut is threadedly sleeved at the bottom end of the hexagonal bolt, and the hexagonal bolt penetrates through the torsion holes on the positioning ring sleeve and the pressing handle.

[0016] Preferably, the torsion holes are formed on the pressing handle, and the number of the torsion holes is multiple, and the multiple torsion holes are linearly arrayed.

[0017] Preferably, the torsion holes are formed on the moving block, the moving block is fixedly connected with a limiting plate at both ends, limiting grooves are formed on both sides of the pressing handle and are slidably matched with the limiting plate, an adjusting groove penetrates one end of the limiting groove close to the binding pressure head, the moving block slides in the adjusting groove, a knob screw is threadedly connected with the limiting plate, and the end of the knob screw penetrates through the limiting plate and is abuttingly matched with the pressing handle.

[0018] Preferably, the height of the movable groove is equal to the thickness of the pressing handle.

[0019] The utility model has the following beneficial effects:

[0020] By installing arc-shaped pads of different thicknesses on the positioning ring sleeve, and further adjusting the distance of the pressing handle extending into the inside of the positioning ring sleeve, after the adjustment is completed, the positioning ring sleeve is sleeved on the outside of the to-be-disassembled part, the anti-skid lines on the arc-shaped pads are attached to the to-be-disassembled part, the to-be-disassembled part is clamped, and the mounting head of the to-be-disassembled part is mounted or separated by further twisting the positioning ring sleeve, the practicability of the wrench is greatly improved by fully considering the actual use requirements and adopting simple mechanical principles, and compared with the prior art, different wrenches do not need to be purchased for operation.

[0021] By adopting the combined structure, production and processing are facilitated, and each part can be replaced and maintained, compared with the prior art, the device focuses on the convenience and durability of operation, facilitates replacement and maintenance of the wrench structure, has low cost, and avoids production delay and cost problems caused by tool wear. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A wrench structure perspective view is provided for the embodiment one of the utility model.

[0023] Figure 2 A split structure perspective view of the positioning ring sleeve and the arc-shaped pad in the utility model is provided.

[0024] Figure 3 A split structure perspective view of the pressing handle and the binding pressure head provided for the embodiment one of the utility model is provided.

[0025] Figure 4 A wrench structure perspective view is provided for the embodiment two of the utility model.

[0026] Figure 5 A split structure perspective view of the pressing handle and the binding pressure head provided for the embodiment two of the utility model is provided.

[0027] Among them:

[0028] Positioning ring sleeve-1; pressing handle-2; movable groove-3; binding pressure head-4; arc-shaped pad-5; pin rod-6; anti-skid line-7; clamping groove-8; long rod screw-9; first engagement tooth-10; second engagement tooth-11; hexagonal bolt-12; nut-13; twisting hole-14; moving block-15; limiting plate-16; limiting groove-17; adjusting groove-18; knob bolt-19. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in combination with the drawings and specific preferred embodiments.

[0030] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "left side", "right side", "upper part", "lower part" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and "first", "second" and the like do not represent the importance of the parts, so it cannot be understood as a limitation on the utility model. The specific size used in the embodiment is only for example to illustrate the technical scheme, and does not limit the protection scope of the utility model.

[0031] As shown in Figures 1-5 A wrench structure for assembling and disassembling a drill bit, comprising a positioning ring sleeve 1 and a pressing handle 2, the side wall of the positioning ring sleeve 1 is provided with a movable slot 3, the end of the pressing handle 2 penetrates through the movable slot 3, and one end of the pressing handle 2 located inside the positioning ring sleeve 1 is provided with a restraint pressure head 4, a vertical distribution assembly is arranged on the positioning ring sleeve 1, the assembly is detachably arranged at the middle position of the movable slot 3, and the pressing handle 2 and the positioning ring sleeve 1 are hinged through the assembly; the distance between the restraint pressure head 4 and the inner wall of the positioning ring sleeve 1 can be adjusted, and when the positioning ring sleeve 1 is sleeved outside the restraint sleeve of the drill bit, the restraint sleeve of the drill bit can be clamped and rotated for assembly and disassembly.

[0032] An arc-shaped pad 5 is detachably arranged inside the positioning ring sleeve 1, and the arc-shaped pad 5 is combined and connected with the positioning ring sleeve 1 through a pin rod 6; the thickness of the arc-shaped pad 5 can be replaced according to actual needs, so as to be suitable for restraint sleeves of different sizes.

[0033] The inner wall of the arc-shaped pad 5 and the outer wall of the restraint pressure head 4 are both provided with anti-skid lines 7. In the working state of the device, the inner wall of the arc-shaped pad 5 and the outer wall of the arc-shaped pad 5 are respectively attached to the two sides of the outer wall of the restraint sleeve of the drill bit, so that the restraint sleeve of the drill bit is clamped in a pressed state, and the rotation of the pressing handle 2 can realize the rotation of the restraint sleeve, thereby completing the assembly and disassembly of the drill bit.

[0034] Specifically, in the above technical scheme, one end of the restraint pressure head 4 is provided with a clamping groove 8 matched with the end of the pressing handle 2, a through hole is arranged at the center position of the clamping groove 8, a threaded hole is arranged at the position corresponding to the through hole of the pressing handle 2, and a long rod screw 9 is embedded in the through hole and is screwed with the threaded hole. The cross-sectional shape of the through hole is T-shaped, one end of the pressing handle 2 is inserted into the clamping groove 8 in a close-fitting manner, and then the pressing handle 2 and the restraint pressure head 4 are fixed and combined by using the long rod screw 9, so as to facilitate the stress action of the wrench structure and facilitate the replacement and maintenance of the restraint pressure head 4.

[0035] Specifically, in the above technical scheme, the positioning ring 1, the pressing handle 2 and the binding pressure head 4 are all made of solid metal material, and the arc-shaped pad 5 is made of hard rubber material. The friction between the device and the binding sleeve of the drill bit is improved during work, which facilitates the torsion of the device, thereby achieving disassembly.

[0036] Specifically, in the above technical scheme, a groove is formed in the inner side of the positioning ring 1, and a first clamping tooth 10 is arranged in the groove and integrally arranged with the positioning ring 1. The arc-shaped pad 5 is semi-enclosed and attached to the inner side of the positioning ring 1, and the arc-shaped pad 5 is integrally provided with a second clamping tooth 11 matched with the first clamping tooth 10. The installation and fixation of the arc-shaped pad 5 are facilitated, and the side slip and deviation problems are less likely to occur during use, thereby facilitating the stress of the wrench structure. In addition, the arc-shaped pad 5 of the device can be replaced according to actual needs, especially for the binding sleeve of the drill bit with different diameters, different thicknesses of the arc-shaped pad 5 can be replaced for adaptation, thereby improving the applicability of the device.

[0037] Specifically, in the above technical scheme, pin holes are formed in the positioning ring 1 and the arc-shaped pad 5, and the pin rod 6 is inserted into the pin holes. The fixation of the arc-shaped pad 5 is facilitated, and the stability during operation is improved.

[0038] Specifically, in the above technical scheme, the combination includes a hexagonal bolt 12 and a nut 13, the nut 13 is threadedly connected to the bottom end of the hexagonal bolt 12, and the hexagonal bolt 12 penetrates the torsion hole 14 in the positioning ring 1 and the pressing handle 2. The installation and combination of the positioning ring 1 and the pressing handle 2 are convenient.

[0039] As an embodiment of the adjustment structure formed by the torsion hole 14 and the combination, the torsion hole 14 is formed in the pressing handle 2, and the number of the torsion holes 14 is multiple, and the multiple torsion holes 14 are linearly arranged. The multi-stage adjustment of the hinged position can be achieved, the torsion hole 14 can be selected according to the required pressing force and pressing position, and the position of the binding pressure head 4 in the positioning ring 1 can be changed.

[0040] As an embodiment of the adjustment structure formed by the torsion hole 14 and the combination, the torsion hole 14 is formed in the moving block 15, the moving block 15 is fixedly connected with a limiting plate 16 at both ends, limiting grooves 17 are formed in the both sides of the pressing handle 2 and slidably matched with the limiting plate 16, an adjustment groove 18 is formed in the end of the limiting groove 17 close to the binding pressure head 4, the moving block 15 slides in the adjustment groove 18, a knob bolt 19 is threadedly connected to the limiting plate 16, and the end of the knob bolt 19 penetrates the limiting plate 16 and abuts against the pressing handle 2. As another embodiment of the hinged position adjustment, the stepless adjustment of the hinged position can be achieved through the structure, and the position can be changed more flexibly.

[0041] Specifically, in the above technical solution, the height of the movable groove 3 is equal to the thickness of the pressing handle 2, so as to ensure the stability of the pressing handle 2 and the positioning ring sleeve 1.

[0042] In use, according to the size of the drill bit or the restraint sleeve of the drill bit, the arc-shaped pad 5 with different thicknesses is installed on the positioning ring sleeve 1, and the distance of the pressing handle 2 extending into the inside of the positioning ring sleeve 1 is further adjusted. After the adjustment is completed, the positioning ring sleeve 1 is hinged to the positioning ring sleeve 1 by limiting, the positioning ring sleeve 1 is sleeved on the outside of the to-be-disassembled part (i.e. the drill bit or the restraint sleeve of the drill bit), the anti-slip pattern 7 on the arc-shaped pad 5 is attached to the to-be-disassembled part, the pressing handle 2 is twisted, the anti-slip pattern 7 on the restraint pressing head 4 is pressed on the outer wall of the to-be-disassembled part, the force is continuously applied, the to-be-disassembled part is clamped, the positioning ring sleeve 1 is further twisted, the to-be-disassembled part is rotated, and the mounting head of the to-be-disassembled part is separated. The actual use requirement is fully considered, the simple mechanical principle is adopted, the applicability of the wrench is greatly improved, the convenience and durability of operation are paid attention to, the wrench structure is convenient to replace and maintain, the cost is low, the production delay and cost problem caused by tool wear are avoided.

[0043] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A wrench structure for handling a drill bit, comprising a positioning ring sleeve (1) and a pressing handle (2), characterized in that: The side wall of the positioning ring cover (1) is penetrated by a movable slot (3), the end of the pressing handle (2) penetrates the movable slot (3), one end of the pressing handle (2) located inside the positioning ring cover (1) is provided with a restraint pressure head (4), the positioning ring cover (1) is provided with vertically distributed combination parts, and the combination parts are detachably installed in the middle position of the movable slot (3), and the pressing handle (2) and the positioning ring cover (1) are hinged through the combination parts; An arc-shaped pad (5) is detachably installed inside the positioning ring cover (1), and the arc-shaped pad (5) and the positioning ring cover (1) are combined and connected through a pin rod (6); The inner wall of the arc-shaped pad (5) and the outer wall of the restraint pressure head (4) are provided with anti-skid lines (7).

2. A wrench structure for handling a drill bit according to claim 1, wherein: One end of the restraint pressure head (4) is provided with a clamping groove (8) matched with the end of the pressing handle (2), a through hole is penetratingly arranged at the center position of the clamping groove (8), a threaded hole is arranged at the position corresponding to the through hole of the pressing handle (2), and a long rod screw (9) is embedded in the through hole and is in threaded connection with the threaded hole.

3. A wrench structure for handling a drill bit according to claim 2, wherein: The positioning ring cover (1), the pressing handle (2) and the restraint pressure head (4) are all made of solid metal material, and the arc-shaped pad (5) is made of hard rubber material.

4. A wrench structure for handling a drill bit according to claim 3, wherein: A recess is arranged inside the positioning ring cover (1), and a first clamping tooth (10) integrated with the positioning ring cover (1) is arranged in the recess, the arc-shaped pad (5) is semi-enclosed and attached to the inside of the positioning ring cover (1), and a second clamping tooth (11) integrated with the arc-shaped pad (5) is arranged on the arc-shaped pad (5).

5. The bit make-up wrench structure of claim 1 wherein: The positioning ring cover (1) and the arc-shaped pad (5) are provided with corresponding distribution of pin holes, and the pin rod (6) is inserted into the pin holes.

6. A wrench structure for handling a drill bit as set forth in claim 1, wherein: The combination part includes a hexagonal bolt (12) and a nut (13), the nut (13) is threadedly sleeved at the bottom end of the hexagonal bolt (12), and the hexagonal bolt (12) penetrates the torsion holes (14) on the positioning ring cover (1) and the pressing handle (2).

7. A wrench structure for handling a drill bit as defined in claim 6, wherein: The torsion holes (14) are arranged on the pressing handle (2), and the number of the torsion holes (14) is multiple, and the multiple torsion holes (14) are linearly arranged.

8. A wrench structure for handling a drill bit according to claim 6, wherein: The torsion holes (14) are arranged on the moving block (15), and the moving block (15) is fixedly connected with limit plates (16) at both ends, limit grooves (17) are arranged on both sides of the pressing handle (2) and are in sliding cooperation with the limit plates (16), one end of the limit groove (17) close to the restraint pressure head (4) penetrates an adjusting groove (18), the moving block (15) slides in the adjusting groove (18), and knob bolts (19) are threadedly connected with the limit plates (16), and the end of the knob bolts (19) penetrates the limit plates (16) and is in abutting cooperation with the pressing handle (2).

9. The bit make-up wrench of claim 1, wherein: The height of the movable slot (3) is equal to the thickness of the pressing handle (2).

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