CN220945781U - Woodworking drill bit with variable diameter - Google Patents

Abstract

The utility model discloses a woodworking drill bit with a variable diameter, which comprises a main drill rod, wherein two sliding plates II are arranged at the bottoms of two sides of the main drill rod, one ends of the front surfaces of the two sliding plates II are respectively provided with a sliding plate I matched with the sliding plates II in a sliding manner, one sides of the two sliding plates I, which are far away from each other, are respectively provided with a drill blade, the tops of the two groups of drill blades are respectively hinged with a hinged rod, and a fixed adjusting assembly is arranged at the middle position of the outer side of the main drill rod; according to the drill bit, through the mutual matching of the main drill rod, the first sliding plate, the drill blade, the hinging rod, the first sleeve, the fixing rod, the fixing groove, the first spring and the second sliding plate, the diameter adjustment operation of an operator in the using process can be facilitated, so that the operator can conveniently realize the rotation operation of different diameters of the drill bit, the operator does not need to replace the drill bits with different diameters, the later working efficiency and convenience of the operator are improved, and the application range and flexibility of the drill bit are improved.

Description

Woodworking drill bit with variable diameter

Technical Field

The utility model relates to the technical field of woodworking drills, in particular to a woodworking drill with a variable diameter.

Background

The prior woodworking drill bit has a single internal structure, and most of the prior woodworking drill bit is inconvenient for operators to realize the adjustment operation on the diameter of the drill bit, in the later use process, the operators still need to replace the drill bit with the specified diameter according to the operation requirement, the inconvenience and the practicability of the later use of the operators are increased by the operation mode, the disassembly operation can be completed by the operators only by means of the specified disassembly and assembly tool, and the complexity and the inconvenience of the work of the operators are increased again by the operation mode.

Disclosure of utility model

The utility model aims to provide a woodworking drill with a variable diameter, so as to solve the problems that the prior woodworking drill is inconvenient to adjust the diameter, and the inconvenience and the complexity of the disassembly and the assembly of operators are increased due to the fact that a specified disassembly and assembly tool is needed during the disassembly and the assembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a woodworking drill bit of variable diameter, includes the main drilling rod, the bottom of main drilling rod both sides all is equipped with slide two, two sets of the positive one end of slide two all slides and is equipped with rather than matched with slide one, two sets of slide one is kept away from one side all is equipped with the drill bit, two sets of the top of drill bit all articulates and is equipped with articulated pole, the intermediate position department in the main drilling rod outside is equipped with fixed adjusting part, the open slot has been seted up at the top of main drilling rod, the both sides of the inside of open slot all are equipped with and insert the assembly, the top in the main drilling rod outside is close to the open slot and is equipped with the screw thread under, the outside thread bush of screw thread is equipped with the internal thread bush piece, the outside of internal thread bush piece is equipped with the sleeve two and establishes to the outside sleeve two of main drilling rod, the top of sleeve two inboard is equipped with annular ejector pad, annular slider matched with annular spout is seted up with in the bottom in the annular ejector pad outside.

Preferably, the fixed adjusting component comprises a first sleeve, a fixed rod, a fixed groove and a first spring, wherein a plurality of groups of fixed grooves are formed in the fixed groove, a plurality of groups of fixed grooves are uniformly formed in the middle positions of two sides of the main drill rod, a first sleeve is arranged at the middle position of the outer side of the main drill rod in a sleeved mode, the bottoms of two sides of the sleeve are hinged to one ends of two groups of hinging rods, which are far away from the drill blade, the tops of two sides of the sleeve are all penetrated with the fixed rod, the fixed rod extends to the inside of the fixed groove to be matched with the fixed rod, and a first spring connected with the first sleeve is sleeved on one side, which is far away from the outside of the fixed rod.

Preferably, the plug-in assembly comprises two groups of through holes, two springs, two sliding blocks, sliding grooves and a limiting rod, wherein the two groups of through holes are formed in two sides inside the opening groove, the two groups of through holes are formed in the two groups of through holes in a penetrating mode, the limiting rod is matched with the annular pushing block, the sliding grooves are formed in the tops of the two groups of limiting rods, the sliding blocks connected with the through holes are arranged on the sides, close to each other, of the sliding grooves in the two groups of sliding grooves in a sliding mode, and the two groups of sliding grooves in the two sides, away from each other, are provided with the two springs connected with the sliding blocks.

Preferably, the bottoms of the two groups of limiting rods far away from one side and the tops of the two sides of the inside of the annular pushing block are respectively provided with a guide inclined surface, and the two groups of guide inclined surfaces are mutually matched.

Preferably, the tops of the two sides of the main drill rod are provided with limiting sliding grooves right above the threads, and limiting sliding blocks connected with the annular pushing blocks are arranged in the limiting sliding grooves in a sliding mode.

Preferably, the top and the bottom of one end of the two front sides of the two groups of sliding plates and the top and the bottom of one end of the back side of the two groups of sliding plates, which are close to one side, are respectively provided with a guide chute and a guide sliding block, and the guide chute is matched with the guide sliding block.

Compared with the prior art, the utility model has the beneficial effects that: the variable diameter woodworking drill bit;

1. through the mutual matching of the main drill rod, the first sliding plate, the drill blade, the hinging rod, the first sleeve, the fixing rod, the fixing groove, the first spring and the second sliding plate, the diameter adjustment operation of the drill bit by an operator in the use process can be facilitated, so that the operator can conveniently realize the rotation operation of the drill bit with different diameters, the replacement operation of the drill bit with different diameters by the operator is not required, the later working efficiency and convenience of the operator are improved, and the application range and flexibility of the drill bit are improved;

2. Through main drilling rod, sleeve two, internal thread cover piece, screw thread, annular spout, annular slider, annular ejector pad, through-hole, spring two, slider, spout, open slot and gag lever post's mutually support, the realization that can make things convenient for operating personnel to begin is to the dismouting operation of drill bit for operating personnel need not to be with the help of other auxiliary extracting tool again in the dismouting process, the effectual loaded down with trivial details nature of operating personnel dismouting that has reduced makes operating personnel hold rotation sleeve two can realize the dismouting operation of this drill bit later stage, thereby can further improve convenience and the flexibility of this drill bit dismouting use.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a front cross-sectional view of an open slot of the present utility model;

FIG. 4 is a bottom view of the present utility model;

Fig. 5 is an enlarged schematic view of the structure of fig. 3a according to the present utility model.

In the figure: 1. a main drill pipe; 2. a first sliding plate; 3. a drill blade; 4. a hinge rod; 5. a sleeve I; 6. a fixed rod; 7. a second sleeve; 8. a fixing groove; 9. a first spring; 10. a second slide plate; 11. an internal thread sleeve block; 12. a thread; 13. an annular chute; 14. an annular slide block; 15. an annular push block; 16. a through hole; 17. a second spring; 18. a slide block; 19. a chute; 20. an open slot; 21. and a limit rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, embodiments of the present utility model are provided: the utility model provides a woodworking drill bit of variable diameter, including main drilling rod 1, the bottom of main drilling rod 1 both sides all is equipped with slide two 10, the front one end of two sets of slide two 10 all slides and is equipped with rather than matched with slide one 2, one side that two sets of slide one 2 kept away from all is equipped with drill bit 3, the top of two sets of drill bit 3 all articulates and is equipped with articulated pole 4, the intermediate position department in main drilling rod 1 outside is equipped with fixed adjusting part, be convenient for realize the regulatory function to drill bit diameter size, open slot 20 has been seted up at the top of main drilling rod 1, the both sides of the inside of open slot 20 all are equipped with the cartridge subassembly, be convenient for later stage and realize the dismouting work of this drill bit, the top in the outside of main drilling rod 1 is close to the open slot 20 and is equipped with screw thread 12, the outside thread 12's of screw thread cover is equipped with internal thread cover piece 11, the outside of internal thread cover piece 11 is equipped with the cover and establishes to the outside sleeve two 7 of main drilling rod 1, the top of sleeve two 7 inboard top is equipped with annular slider 14, the inside sleeve two 7 top is equipped with annular ejector 15, annular ejector 15 outside annular ejector 15 bottom is offered and annular slider 14 matched with annular slider 13.

Further, fixed adjusting part includes sleeve one 5, dead lever 6, fixed slot 8 and spring one 9, the fixed slot 8 is equipped with the multiunit, multiunit fixed slot 8 evenly sets up the intermediate position department that is located main drilling rod 1 both sides, sleeve one 5 cover is established and is located the intermediate position department in main drilling rod 1 outside, and the bottom of sleeve one 5 both sides all articulates each other with the one end that two sets of articulated rod 4 kept away from drill bit 3, the top of sleeve one 5 both sides all runs through and is equipped with dead lever 6, and dead lever 6 extends to the inside of fixed slot 8 just cooperatees with it, one side that two sets of dead levers 6 outsides keep away from all overlaps and is equipped with spring one 9 that is connected with sleeve one 5, be convenient for realize the regulatory function to drill bit diameter size.

Further, the plug-in assembly comprises a through hole 16, a second spring 17, sliding blocks 18, sliding grooves 19 and limiting rods 21, wherein the through hole 16 is provided with two groups, the two groups of through holes 16 are formed in two sides inside the open slot 20, the limiting rods 21 are arranged in the two groups of through holes 16 in a penetrating mode, the limiting rods 21 are matched with the annular pushing blocks 15, the sliding grooves 19 are formed in the tops of the two groups of limiting rods 21, the sliding blocks 18 connected with the through holes 16 are arranged on the sides, close to each other, of the two groups of sliding grooves 19 in a sliding mode, the second spring 17 connected with the sliding blocks 18 is arranged on the side, away from each other, of the two groups of sliding grooves 19, and accordingly the drill bit can be conveniently dismounted in the later period.

Further, the bottoms of the two groups of limiting rods 21 far away from one side and the tops of the two sides inside the annular pushing block 15 are respectively provided with a guide inclined surface, and the two groups of guide inclined surfaces are matched with each other, so that the annular pushing block 15 in the later stage can push the limiting rods 21 to move through the guide inclined surfaces.

Further, the top of the two sides of the main drill rod 1 is provided with a limit chute just above the screw thread 12, and the inside of the limit chute is provided with a limit slider connected with the annular push block 15 in a sliding manner, so that the limit movement operation of the annular push block 15 is conveniently realized.

Further, the top and the bottom of the front end of the second slide plate 10 and the top and the bottom of the back end of the first slide plate 2 close to one side are respectively provided with a guide chute and a guide slide block, and the guide chute and the guide slide block are mutually matched, so that the sliding connection work of the second slide plate 10 and the first slide plate 2 is conveniently realized.

Working principle: when the device is used, an operator can directly take the main drill rod 1 and the parts above the main drill rod, the open slot 20 is driven to be clamped to the outer side of the tenoning mechanical rotating shaft, at the moment, through holes are formed in the two sides outside the tenoning mechanical rotating shaft so as to realize clamping connection operation in the later period, after the open slot 20 is clamped, the second rotating sleeve 7 drives the internal thread sleeve block 11 to rotate and move upwards on the outer side of the thread 12, the second sleeve 7 can drive the annular sliding block 14 to rotate in the annular sliding groove 13, then the upward movement operation of the annular sliding block 15 is realized, at the moment, through the upward movement of the annular sliding block 15 and the design of a guide inclined plane, the two groups of limiting rods 21 can be pushed to move close to the inner side of the through holes 16 so as to be clamped to the inner side of the tenoning mechanical rotating shaft, the assembly operation of the drill bit is realized, no other dismounting tools are needed, meanwhile, the limiting rods 21 can drive the sliding groove 19 to slide outside the sliding block 18 to compress the second spring 17, and finally the main drill rod 1 and the parts above can be dismounted through the reverse operation of the steps;

In operation, when operating personnel need realize the operation of adjusting the drill bit diameter, can directly stimulate dead lever 6 makes its inside removal of sleeve one 5 carry out the tensile operation to spring one 9, and then can shift out dead lever 6 to the inside of fixed slot 8, remove the fixed to sleeve one 5, then promote sleeve one 5 and more parts and move down in main drilling rod 1 outside, still can promote articulated pole 4 through the downmovement of sleeve one 5 and carry out articulated removal this moment, then promote two sets of drill bit 3 through articulated pole 4 and stimulate slide one 2 and remove in the outside of slide two 10, and then can realize the interval adjustment function of two sets of drill bit 3, in order to realize the operation of adjusting the drill bit diameter.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides a woodworking drill bit of variable diameter, includes main drilling rod (1), its characterized in that: the utility model discloses a drilling tool for drilling a hole in a drilling machine, including main drilling rod (1), slide plate (10) are all equipped with in the bottom of main drilling rod (1) both sides, two sets of the positive one end of slide plate (10) is all slided and is equipped with rather than matched with slide plate one (2), two sets of one side that slide plate one (2) kept away from all is equipped with drill bit (3), two sets of the top of drill bit (3) is all articulated to be equipped with articulated rod (4), the intermediate position department in the outside of main drilling rod (1) is equipped with fixed adjusting part, open slot (20) have been seted up at the top of main drilling rod (1), the both sides of the inside of open slot (20) all are equipped with the assembly of inserting, be close to be equipped with screw thread (12) under open slot (20) at the top in the outside of main drilling rod (1), the outside thread sleeve piece (11) is equipped with internal thread sleeve piece (11), the outside of internal thread sleeve piece (11) is equipped with sleeve two (7), the inboard top of sleeve two (7) is equipped with annular slider (14), annular slider (15) are seted up with annular slider (13) in the outside of annular slider (15).

2. The variable diameter woodworking drill bit of claim 1, wherein: the fixed adjusting component comprises a first sleeve (5), a fixed rod (6), a fixed groove (8) and a first spring (9), wherein multiple groups are arranged in the fixed groove (8), the multiple groups are uniformly arranged on the fixed groove (8) and located at the middle positions of the two sides of the main drill rod (1), the first sleeve (5) is sleeved at the middle positions of the outer sides of the main drill rod (1), the bottoms of the two sides of the first sleeve (5) are hinged with one end of the two groups of hinged rods (4) away from the drill blade (3), the top of the two sides of the first sleeve (5) is penetrated with the fixed rod (6), the fixed rod (6) extends to the inside of the fixed groove (8) to be matched with the fixed groove, and the two groups of first springs (9) connected with the first sleeve (5) are sleeved on one sides of the outer sides of the fixed rod (6) away from each other.

3. The variable diameter woodworking drill bit of claim 1, wherein: the plug-in assembly comprises a through hole (16), a second spring (17), a sliding block (18), sliding grooves (19) and a limiting rod (21), wherein the through hole (16) is provided with two groups, the two groups of through holes (16) are formed in two sides inside an open slot (20), the two groups of through holes (16) are formed in the through hole in a penetrating mode, the limiting rod (21) and the annular pushing block (15) are matched with each other, the sliding grooves (19) are formed in the tops of the two groups of limiting rods (21), the sliding blocks (18) connected with the through holes (16) are arranged on the inner sides of the sliding grooves (19) in a sliding mode, and the second spring (17) connected with the sliding blocks (18) is arranged on the inner sides of the sliding grooves (19) in a far away mode.

4. A variable diameter woodworking drill bit according to claim 3, wherein: the bottoms of the two groups of limiting rods (21) far away from one side and the tops of the two sides inside the annular pushing block (15) are respectively provided with a guide inclined surface, and the two groups of guide inclined surfaces are mutually matched.

5. The variable diameter woodworking drill bit of claim 1, wherein: limiting sliding grooves are formed in the tops of the two sides of the main drill rod (1) and right above the threads (12), and limiting sliding blocks connected with the annular pushing blocks (15) are arranged in the limiting sliding grooves in a sliding mode.

6. The variable diameter woodworking drill bit of claim 1, wherein: the top and the bottom of the front end of the two groups of sliding plates II (10) and the top and the bottom of the side, close to one side, of the back end of the two groups of sliding plates I (2) are respectively provided with a guide chute and a guide slide block, and the guide chute and the guide slide block are mutually matched.