High-strength wear-resistant drill bit

Abstract

The utility model belongs to the technical field of drill bits, and particularly relates to a high-strength wear-resistant drill bit which comprises a drill bit handle and a high-strength wear-resistant drill bit body, the high-strength wear-resistant drill bit body is arranged below the drill bit handle, an inserting groove is formed in the bottom end of the drill bit handle, and an inserting block fixed to the top end of the high-strength wear-resistant drill bit body is inserted into the inserting groove. A plurality of insertion holes are formed in the insertion block; the multiple first sliding grooves are formed in the drill bit handle and communicate with the inserting grooves, inserting rods are slidably connected into the first sliding grooves, one ends of the inserting rods extend into the corresponding inserting holes and are in inserting fit with the corresponding inserting holes, extrusion grooves are formed in the inserting rods, and springs fixed to the inner walls of the first sliding grooves are fixedly connected to the inserting rods; according to the high-strength wear-resistant spiral drill bit, the problem that when the high-strength wear-resistant spiral drill bit is broken or tipping occurs, a user needs to replace the whole high-strength wear-resistant spiral drill bit, and the use cost is increased is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of drill bits, and in particular relates to a high-strength and wear-resistant drill bit. Background Art

[0002] High-strength wear-resistant drill bits, also known as high-strength wear-resistant spiral drill bits, are specially designed drill bits that combine the advantages of high strength and wear resistance to meet the needs of long-term use in complex and harsh working environments. High-strength wear-resistant spiral drill bits are suitable for various materials, such as concrete, rock and soil, etc., and have a wide range of application scenarios, including construction engineering, civil engineering, and drilling work in the fields of oil, natural gas and geothermal energy.

[0003] For example, a Chinese patent with publication number CN215845906U discloses a high-strength wear-resistant spiral drill bit, including a drill rod, a surface of the drill rod is provided with a chip groove, a right side of the drill rod is fixedly connected with a blade portion, a left side of the drill rod is fixedly connected with a connecting rod, a left side of the connecting rod is fixedly connected with a clamping block, the drill rod includes a drill rod body, an outer surface of the drill rod body is fixedly connected with a functional layer, an outer surface of the heat insulation layer is fixedly connected with a corrosion-resistant layer, an outer surface of the corrosion-resistant layer is fixedly connected with a heat dissipation layer, and an outer surface of the heat dissipation layer is fixedly connected with a high-strength wear-resistant layer. The utility model has the advantages of better wear resistance, extended service life of the drill bit, better heat insulation and heat dissipation performance, and enhanced use strength by arranging the drill rod, connecting rod, clamping block, chip groove, heat dissipation micropores, blade portion, functional layer, drill rod body, corrosion-resistant layer, heat insulation layer, high-strength wear-resistant layer and heat dissipation layer for coordinated use.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used. For example, although the above-mentioned high-strength wear-resistant spiral drill bit has high-strength wear-resistant performance, it may still break or break under extreme use conditions, such as encountering particularly hard materials or improper user operation. When the high-strength wear-resistant spiral drill bit breaks or breaks, the user needs to replace the high-strength wear-resistant spiral drill bit as a whole, which increases the cost of use. In view of this, we propose a high-strength wear-resistant drill bit. Utility Model Content

[0006] The purpose of the utility model is to provide a high-strength and wear-resistant drill bit to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a high-strength wear-resistant drill bit, comprising:

[0008] A drill handle and a high-strength wear-resistant drill body, wherein the high-strength wear-resistant drill body is arranged below the drill handle, a slot is provided at the bottom end of the drill handle, an insert block fixed to the top end of the high-strength wear-resistant drill body is inserted into the slot, and a plurality of insert holes are provided on the insert block;

[0009] A plurality of first slide grooves, wherein the plurality of first slide grooves are provided in the drill handle and are connected to the slot, a plug rod is slidably connected in the first slide groove, and one end of the plug rod extends into the corresponding plug hole and is plugged and matched with the corresponding plug hole, an extrusion groove is provided on the plug rod, and a spring fixed to the inner wall of the first slide groove is fixed on the plug rod;

[0010] An extrusion assembly is located in the drill bit shank and is used to extrude a plurality of extrusion grooves.

[0011] Based on the above structure, it is ensured that the plug block can be inserted into the slot, and by setting the first slide groove and the insertion rod, it is ensured that the insertion rod can slide in the first slide groove, and by setting the insertion hole, it is ensured that when the insertion rod slides in the first slide groove, one end of the insertion rod can be inserted into the insertion hole, and by setting the extrusion component and extrusion groove, it is ensured that the user can squeeze multiple extrusion grooves through the extrusion component to drive multiple insertion rods to move respectively, and by setting the spring, it is ensured that when the extrusion component releases the extrusion of multiple extrusion grooves, one ends of multiple insertion rods can be respectively subjected to the action of multiple spring elastic forces and enter into multiple first slide grooves respectively.

[0012] In the above technical solution, further, the extrusion assembly includes:

[0013] A plurality of second slide grooves, wherein the plurality of second slide grooves are respectively arranged on the inner walls of the plurality of first slide grooves, wherein an extrusion block is slidably connected in the second slide groove, and the bottom end of the extrusion block extends into the extrusion groove and is plugged and matched with the extrusion groove;

[0014] A plurality of rotating grooves, wherein the plurality of rotating grooves are respectively opened on the inner walls of the plurality of second chute grooves, wherein a gear is rotatably connected in the rotating groove, a threaded rod is threadedly connected in the gear, and the bottom end of the threaded rod extends into the second chute and is fixed to the top end of the extrusion block;

[0015] An annular groove is provided on the peripheral side of the drill shank and is connected with a plurality of rotating grooves. A gear ring meshing with a plurality of gears is rotatably connected in the annular groove.

[0016] Wherein, it is ensured that the user can squeeze multiple squeezing grooves through the squeezing component.

[0017] In the above technical solution, further, the bottom end of the extrusion block is inclined, and the threaded rod is slidably connected to the second sliding groove.

[0018] Herein, it is ensured that the bottom end of the extrusion block can squeeze the extrusion groove, and it is ensured that the threaded rod can slide normally in the second sliding groove.

[0019] In the above technical solution, further, anti-slip grooves are provided on the circumferential side of the gear ring.

[0020] Among them, the anti-slip pattern can increase the friction of the rotating gear ring to ensure that when the user rotates the gear ring.

[0021] In the above technical solution, further, the extrusion groove is arranged at an angle.

[0022] Wherein, it is ensured that the user can drive the multiple insertion rods to move respectively by squeezing the multiple squeezing grooves through the squeezing assembly.

[0023] In the above technical solution, further, the insertion rod is in an "L" shape.

[0024] Herein, it is ensured that the insertion rod cannot be completely moved from the first sliding groove to the outside.

[0025] The beneficial effects of the utility model are:

[0026] The high-strength and wear-resistant drill bit ensures that the plug block can be inserted into the slot through the provided slot and the plug block, ensures that the plug rod can slide in the first slot through the provided first slide groove and the provided insertion hole, ensures that when the plug rod slides in the first slide groove, one end of the plug rod can be inserted into the insertion hole through the provided extrusion assembly and extrusion groove, ensures that the user can squeeze multiple extrusion grooves through the extrusion assembly to drive multiple plug rods to move respectively, and ensures through the provided spring that when the extrusion assembly releases the extrusion of the multiple extrusion grooves, one ends of the multiple plug rods can be respectively subjected to the action of the multiple spring elastic forces and enter the multiple first slide grooves respectively, thereby solving the problem that when the high-strength and wear-resistant spiral drill bit breaks or breaks, the user needs to replace the high-strength and wear-resistant spiral drill bit as a whole, which increases the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the explosion structure of the area of ​​the utility model;

[0029] Figure 3 It is a schematic diagram of the internal structure of the drill handle of the utility model;

[0030] Figure 4 It is a partial exploded structure schematic diagram of the utility model.

[0031] The symbols in the figure are:

[0032] 1. Drill handle; 2. High-strength wear-resistant drill body; 3. Slot; 4. Insert block; 5. Socket; 6. First slide groove; 7. Insert rod; 8. Extrusion groove; 9. Spring; 10. Second slide groove; 11. Extrusion block; 12. Rotation groove; 13. Gear; 14. Threaded rod; 15. Annular groove; 16. Gear ring. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0034] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0036] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0037] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples. Example

[0038] See also Figure 1 - Figure 4 As shown, this embodiment provides a high-strength and wear-resistant drill bit, comprising:

[0039] A drill handle 1 and a high-strength wear-resistant drill body 2, wherein the high-strength wear-resistant drill body 2 is arranged below the drill handle 1, a slot 3 is provided at the bottom end of the drill handle 1, an insert block 4 fixed to the top end of the high-strength wear-resistant drill body 2 is inserted into the slot 3, and a plurality of insert holes 5 are provided on the insert block 4;

[0040] A plurality of first slide grooves 6 are provided in the drill handle 1 and are connected to the slot 3. A plug rod 7 is slidably connected in the first slide groove 6, and one end of the plug rod 7 extends into the corresponding plug hole 5 and is plugged with the corresponding plug hole 5. An extrusion groove 8 is provided on the plug rod 7. A spring 9 fixed to the inner wall of the first slide groove 6 is fixedly connected to the plug rod 7.

[0041] The extrusion assembly is located in the drill shank 1 and is used to extrude a plurality of extrusion grooves 8 . Example

[0042] This embodiment provides a high-strength and wear-resistant drill bit, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The extrusion assembly includes:

[0043] A plurality of second slide grooves 10, wherein the plurality of second slide grooves 10 are respectively provided on the inner walls of the plurality of first slide grooves 6, wherein an extrusion block 11 is slidably connected in the second slide groove 10, and the bottom end of the extrusion block 11 extends into the extrusion groove 8 and is plugged and matched with the extrusion groove 8;

[0044] A plurality of rotating grooves 12, the plurality of rotating grooves 12 are respectively opened on the inner walls of the plurality of second chute grooves 10, a gear 13 is rotatably connected in the rotating groove 12, a threaded rod 14 is threadedly connected in the gear 13, and the bottom end of the threaded rod 14 extends into the second chute 10 and is fixed to the top end of the extrusion block 11;

[0045] The annular groove 15 is provided on the peripheral side of the drill shank 1 and is connected to the plurality of rotating grooves 12 . A gear ring 16 meshing with the plurality of gears 13 is rotatably connected in the annular groove 15 .

[0046] In the present technical solution, when the user needs to release the squeezing of the multiple squeezing grooves 8, the user rotates the gear ring 16 by hand, so that the gear ring 16 drives the multiple gears 13 to rotate in the multiple rotating grooves 12 respectively. When the multiple gears 13 rotate, the multiple threaded rods 14 are acted upon by the threads of the multiple gears 13 to move upward along the multiple second slide grooves 10 respectively, so that the multiple threaded rods 14 drive one end of the multiple squeezing blocks 11 from the multiple squeezing grooves 8 to enter the multiple second slide grooves 10 respectively. At this time, the multiple squeezing blocks 11 release the squeezing of the multiple squeezing grooves 8. When the user When it is necessary to extrude multiple extrusion grooves 8, the user rotates the gear ring 16 in the opposite direction by hand, so that the gear ring 16 drives the multiple gears 13 to rotate in the opposite direction in the multiple rotation grooves 12 respectively. When the multiple gears 13 rotate in the opposite direction, the multiple threaded rods 14 will be acted upon by the threads of the multiple gears 13 and move downward along the multiple second slide grooves 10 respectively, so that the multiple threaded rods 14 drive one end of the multiple extrusion blocks 11 to be inserted from the multiple second slide grooves 10 into the multiple extrusion grooves 8 respectively, and extrude the multiple extrusion grooves 8 respectively, ensuring that the user can extrude multiple extrusion grooves 8 through the extrusion assembly. Example

[0047] This embodiment provides a high-strength and wear-resistant drill bit. In addition to the technical solutions of the above embodiments, it also has the following technical features: the bottom end of the extrusion block 11 is inclined, and the threaded rod 14 is slidably connected to the second slide groove 10.

[0048] In the present technical solution, it is ensured that the bottom end of the extrusion block 11 can squeeze the extrusion groove 8 , and it is ensured that the threaded rod 14 can slide normally in the second sliding groove 10 . Example

[0049] This embodiment provides a high-strength and wear-resistant drill bit. In addition to the technical solutions of the above embodiments, it also has the following technical features: the circumferential side of the gear ring 16 is provided with anti-slip grooves.

[0050] In the present technical solution, the anti-slip pattern can increase the friction of the rotating gear ring 16 when the user rotates the gear ring 16 . Example

[0051] This embodiment provides a high-strength and wear-resistant drill bit, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the extrusion groove 8 is arranged at an angle.

[0052] In the technical solution, it is ensured that the user can squeeze the multiple squeezing grooves 8 through the squeezing assembly to drive the multiple insertion rods 7 to move respectively. Example

[0053] This embodiment provides a high-strength and wear-resistant drill bit, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: the insert rod 7 is in an "L" shape.

[0054] In this technical solution, it is ensured that the insertion rod 7 cannot be completely moved from the first sliding groove 6 to the outside.

[0055] When the high-strength wear-resistant drill bit body 2 is broken or chipped during use, the user rotates the gear ring 16 by hand, allowing the gear ring 16 to drive the multiple gears 13 to rotate in the multiple rotation grooves 12 respectively. When the multiple gears 13 rotate, the multiple threaded rods 14 will be affected by the threads of the multiple gears 13 and move upward along the multiple second slide grooves 10 respectively, allowing the multiple threaded rods 14 to drive one end of the multiple extrusion blocks 11 from the multiple extrusion grooves 8 to enter the multiple second slide grooves 10 respectively. At this time, the multiple extrusion blocks 11 release the extrusion of the multiple extrusion grooves 8. When the extrusion of the multiple extrusion grooves 8 is released, one end of the multiple insertion rods 7 will be affected by the elastic force of the multiple springs 9 and enter the multiple first slide grooves 6 from the multiple insertion holes 5 respectively. At this time, the multiple insertion rods 7 release the fixation of the insertion block 4, and then the user pulls the high-strength wear-resistant drill bit body 2 by hand to pull the insertion block 4 out of the slot 3 to fix the broken or chipped high-strength wear-resistant drill bit. The head body 2 is replaced. After the replacement is completed, the plug block 4 at the top of the replaced high-strength wear-resistant drill bit body 2 is inserted into the slot 3, and then the user manually rotates the gear ring 16 in the opposite direction, so that the gear ring 16 drives the multiple gears 13 to rotate in the opposite direction in the multiple rotation grooves 12 respectively. When the multiple gears 13 rotate in the opposite direction, the multiple threaded rods 14 will be affected by the threads of the multiple gears 13 and move downward along the multiple second slide grooves 10 respectively, so that the multiple threaded rods 14 drive one end of the multiple extrusion blocks 11 from the multiple second slide grooves 10 to be inserted into the multiple extrusion grooves 8 respectively, and squeeze the multiple extrusion grooves 8 respectively. When the multiple extrusion grooves 8 are squeezed, one end of the multiple insertion rods 7 will be inserted into the multiple insertion holes 5 from the multiple first slide grooves 6 to fix the plug block 4 in the slot 3 and cannot move. At the same time, the multiple insertion rods 7 will also compress the multiple springs 9 respectively to ensure that the user can replace the high-strength wear-resistant drill bit body 2.

[0056] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A high-strength and wear-resistant drill bit, characterized in that: include: A drill shank (1) and a high-strength wear-resistant drill body (2), wherein the high-strength wear-resistant drill body (2) is arranged below the drill shank (1), a slot (3) is provided at the bottom end of the drill shank (1), an insert block (4) fixed to the top end of the high-strength wear-resistant drill body (2) is inserted into the slot (3), and a plurality of insert holes (5) are provided on the insert block (4); A plurality of first slide grooves (6), wherein the plurality of first slide grooves (6) are provided in the drill bit shank (1) and are connected to the slot (3); an insertion rod (7) is slidably connected in the first slide groove (6), and one end of the insertion rod (7) extends into the corresponding insertion hole (5) and is plugged into and matched with the corresponding insertion hole (5); an extrusion groove (8) is provided on the insertion rod (7); and a spring (9) fixed to the inner wall of the first slide groove (6) is fixedly connected to the insertion rod (7); An extrusion assembly is located in the drill bit shank (1) and is used to extrude a plurality of extrusion grooves (8).

2. A high-strength wear-resistant drill bit according to claim 1, characterized in that: The extrusion assembly comprises: a plurality of second slide grooves (10), the plurality of second slide grooves (10) being respectively arranged on the inner walls of the plurality of first slide grooves (6), an extrusion block (11) being slidably connected in the second slide grooves (10), and a bottom end of the extrusion block (11) extending into the extrusion groove (8) and being plugged into and matched with the extrusion groove (8); A plurality of rotating grooves (12), wherein the plurality of rotating grooves (12) are respectively formed on the inner walls of the plurality of second slide grooves (10), wherein a gear (13) is rotatably connected in the rotating groove (12), wherein a threaded rod (14) is threadably connected in the gear (13), and the bottom end of the threaded rod (14) extends into the second slide groove (10) and is fixed to the top end of the extrusion block (11); An annular groove (15) is provided on the circumferential side of the drill shank (1) and is connected to the plurality of rotating grooves (12); a gear ring (16) meshing with the plurality of gears (13) is rotatably connected in the annular groove (15).

3. A high-strength wear-resistant drill bit according to claim 2, characterized in that: The bottom end of the extrusion block (11) is arranged to be inclined, and the threaded rod (14) is slidably connected to the second sliding groove (10).

4. A high-strength wear-resistant drill bit according to claim 2, characterized in that: Anti-slip grooves are arranged on the circumferential side of the gear ring (16).

5. A high-strength wear-resistant drill bit according to claim 1, characterized in that: The extrusion groove (8) is arranged in an inclined manner.

6. A high-strength wear-resistant drill bit according to claim 1, characterized in that: The insertion rod (7) is in an "L" shape.

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