CN215880018U

CN215880018U - Split pagoda-shaped drill bit

Info

Publication number: CN215880018U
Application number: CN202121964058.XU
Authority: CN
Inventors: 史亚军; 岳八金; 潘国明
Original assignee: Zhenjiang Huaxing Special Tool Manufacturing Co ltd
Current assignee: Zhenjiang Huaxing Special Tool Manufacturing Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-22
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of drill bits and discloses a split type pagoda-shaped drill bit; the split pagoda-shaped drill bit comprises a drill handle, a drill bit is arranged at the bottom end of the drill handle, a fixing ring is arranged on the top wall of the drill bit, fixing grooves are uniformly formed in the outer wall of the fixing ring, a fixing rod is arranged in an inner cavity of each fixing groove, a clamping groove is formed in the lower side of the outer wall of the drill handle, and one end, close to the drill handle, of each fixing rod is located in the inner cavity of the clamping groove; through setting up devices such as cooperation nut, slide bar and regulating block and cooperate, can make the device be convenient for carry out spacing fixed to cooperation nut, avoid the shake that produces at the course of working to lead to cooperation nut to take place not hard up to lead to the disintegration.

Description

Split pagoda-shaped drill bit

Technical Field

The utility model belongs to the technical field of drill bits, and particularly relates to a split type pagoda-shaped drill bit.

Background

At present, drill bits are widely used in various industries, and various tools using the drill bits are very many, such as electric drills, pneumatic drills and the like. In order to drill a larger diameter borehole, a step drill is typically used. The step drill is provided with a plurality of drilling blades with the end diameters sequentially enlarged.

In the use, the drilling sharpening of front end decreases great, therefore often can appear that the less drilling sword of front end diameter has been worn and torn to unable continuation use, and current device is difficult to change the front end of drill bit, and is difficult for carrying out inseparable fixed to the drill bit, for this reason, we provide a split type pagoda shape drill bit.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a split pagoda-shaped drill bit, which effectively solves the problems that the front end of the drill bit is not easy to replace and the drill bit is not easy to be tightly fixed.

In order to achieve the purpose, the utility model provides the following technical scheme: a split pagoda-shaped drill bit comprises a drill handle, a drill bit is arranged at the bottom end of the drill handle, a fixing ring is arranged on the top wall of the drill bit, fixing grooves are uniformly formed in the outer wall of the fixing ring, fixing rods are arranged in the inner cavities of the fixing grooves, clamping grooves are formed in the lower side of the outer wall of the drill handle, one end, close to the drill handle, of each fixing rod is located in the inner cavity of the clamping groove, action rods are arranged on the left side and the right side of the outer wall of the drill handle, action grooves are formed in the left side and the right side of the top wall of the fixing ring, the action rods are located in the inner cavities of the action grooves, a left drill body and a right drill body are respectively arranged on the left side and the right side of the outer wall of the drill handle, action strips are arranged on the left side and the right side of the drill body, transmission grooves are formed in the opposite sides of the left drill body and the right drill body, and connecting grooves matched with the fixing ring are formed in the bottom walls of the left drill body and the right drill body, the top wall of the left drill body and the top wall of the right drill body are both provided with matching blocks, matching nuts are arranged on the matching blocks and the outer wall of the drill handle, and the drill bit, the left drill body and the right drill body are arranged in a pagoda shape.

Preferably, the lateral wall has seted up the spout about the cooperation nut, the lateral wall all is provided with the slide bar around the spout inner chamber, the outer wall of slide bar is provided with the regulating block, the roof of the body is bored on the left side and the right side all seted up with regulating block assorted adjustment tank, the left and right sides the regulating block is located the inner chamber of left and right sides adjustment tank.

Preferably, the left and right sides of drill bit roof has all seted up the spacing groove, the diapire of the body is bored with the right side to the left side all is provided with the stopper, the left and right sides the stopper is located the inner chamber of left and right sides spacing groove respectively.

Preferably, the action strip is trapezoidal setting, the left and right sides the action strip is the symmetry setting, the inner wall in transmission groove and the outer wall phase-match of action strip.

Preferably, the left side and the right side of the fixed rod are circularly arranged, and one end, far away from the drill shank, of the fixed rod is located on the inner wall of the connecting groove.

Preferably, the two sides of the inner wall of the fixing groove are obliquely arranged, and the aperture of the two sides of the inner wall of the fixing groove is smaller than the diameter of the fixing rod.

Preferably, chip grooves are formed in the left side of the left drill body, the right side of the right drill body and the left side and the right side of the drill bit, and the chip grooves are arranged in a triangular mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. the split pagoda-shaped drill bit is matched with the drill handle, the drill bit, the fixing ring and the like, so that the drill bit can be conveniently replaced by a worker, the phenomenon that the drill bit is completely replaced due to excessive abrasion of the front end is avoided, and the waste of materials is reduced;

2. the split pagoda-shaped drill bit is matched by the devices such as the matching nut, the sliding rod, the adjusting block and the like, so that the devices are convenient for limiting and fixing the matching nut, and the phenomenon that the matching nut is loosened and is disassembled due to shaking generated in the machining process is avoided;

3. this split type pagoda-shaped drill bit cooperatees through setting up devices such as stopper, the left side bores the body and the right side bores the body, can make the device be convenient for make the left side bore the body and carry out inseparable connection with the drill bit with the right side, avoids the course of working to take place not hard up disintegration.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of the present invention;

FIG. 3 is an exploded view of the construction of the drill bit of the present invention;

FIG. 4 is a cross-sectional view of the retaining ring of the present invention

In the figure: 100. a drill shank; 101. a drill bit; 102. a fixing ring; 103. fixing the rod; 104. an action rod; 105. a left drill body; 106. a right drill body; 107. an action bar; 108. a matching block; 109. matching with a nut; 110. a slide bar; 111. an adjusting block; 112. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, 2 and 3, the split pagoda-shaped drill bit of the present invention comprises a drill handle 100, a drill bit 101 is disposed at the bottom end of the drill handle 100, a fixing ring 102 is disposed on the top wall of the drill bit 101, the fixing ring 102 is disposed to support a fixing rod 103, fixing grooves are uniformly formed on the outer wall of the fixing ring 102, the fixing rod 103 is conveniently limited by the fixing grooves, the fixing rod 103 is disposed in an inner cavity of the fixing groove, a clamping groove is formed on the lower side of the outer wall of the drill handle 100, the fixing rod 103 is conveniently clamped in the inner cavity by the clamping groove, one end of the fixing rod 103 close to the drill handle 100 is located in the inner cavity of the clamping groove, action rods 104 are disposed on the left and right sides of the outer wall of the drill handle 100, the drill bit 101 is conveniently driven to rotate by the action rods 104, action grooves are formed on the left and right sides of the top wall of the fixing ring 102, the action rods 104 are located in the inner cavities of the action grooves, the left side and the right side of the outer wall of the drill handle 100 are respectively provided with a left drill body 105 and a right drill body 106, the left side and the right side of the outer wall of the drill handle 100 are provided with action bars 107, the left drill body 105 and the right drill body 106 are conveniently driven to rotate by the action bars 107, transmission grooves are formed in the opposite sides of the left drill body 105 and the right drill body 106, the left side and the right side action bars 107 are respectively positioned in the inner cavities of the transmission grooves in the left side and the right side, the bottom walls of the left drill body 105 and the right drill body 106 are provided with connection grooves matched with the fixing ring 102, the left drill body 105 and the right drill body 106 are conveniently limited and fixed by the connection grooves, the top walls of the left drill body 105 and the right drill body 106 are respectively provided with matching blocks 108, the matching nuts 109 are arranged on the outer walls of the matching blocks 108 and the drill handle 100, and the drill bit 101, the left drill body 105 and the right drill body 106 are arranged in a pagoda shape.

In this embodiment: this split type pagoda-shaped drill bit cooperatees through setting up devices such as drillstock 100, drill bit 101 and solid fixed ring 102, can make the device be convenient for the staff and change drill bit 101, avoids because the too big whole changes that lead to of front end wearing and tearing, reduces the waste of material.

In the second embodiment, sliding grooves are formed in the left and right side walls of the matching nut 109, sliding rods 110 are arranged on the front and rear side walls of the inner cavity of the sliding groove, adjusting blocks 111 are arranged on the outer walls of the sliding rods 110, adjusting grooves matched with the adjusting blocks 111 are formed in the top walls of the left drill body 105 and the right drill body 106, and the adjusting blocks 111 on the left and right sides are located in the inner cavities of the adjusting grooves on the left and right sides.

In this embodiment: this split type pagoda shape drill bit cooperatees through setting up devices such as cooperation nut 109, slide bar 110 and regulating block 111, can make the device be convenient for carry out spacing fixed to cooperation nut 109, avoids the shake that produces at the course of working to lead to the cooperation nut to take place 109 not hard up and lead to the disintegration.

In the third embodiment, the left and right sides of the top wall of the drill bit 101 are both provided with a limiting groove, the bottom walls of the left drill body 105 and the right drill body 106 are both provided with a limiting block 112, and the limiting blocks 112 on the left and right sides are respectively located in the inner cavities of the limiting grooves on the left and right sides.

In this embodiment: this split type pagoda-shaped drill bit, through setting up devices such as stopper 112, left drill body 105 and right drill body 106 and cooperating, can make the device be convenient for make left drill body 105 carry out inseparable connection with right drill body 106 and drill bit 101, avoid the course of working to take place not hard up disintegration.

In the fourth embodiment, the action bars 107 are in a trapezoid shape, the action bars 107 on the left and right sides are symmetrically arranged, and the inner walls of the transmission grooves are matched with the outer walls of the action bars 107.

In this embodiment: this split type pagoda-shaped drill bit, through setting up action strip 107 for trapezoidal, can make the device be convenient for carry out the joint to left brill body 105 and right brill body 106, avoid it to take place to become flexible.

In the fifth embodiment, the left and right sides of the fixing rod 103 are arranged in a circular shape, and one end of the fixing rod 103 far away from the drill shank 100 is located on the inner wall of the connecting groove.

In this embodiment: the split pagoda-shaped drill bit has the advantages that the left side and the right side of the fixing rod 103 are circular, so that the left drill body 105 and the right drill body 106 are convenient to push the fixing rod 103 to adjust.

In the sixth embodiment, two sides of the inner wall of the fixing groove are obliquely arranged, and the aperture of the two sides of the inner wall of the fixing groove is smaller than the diameter of the fixing rod 103.

In this embodiment: this split type pagoda shape drill bit, both sides through setting up the fixed slot inner wall are the slope, can carry on spacingly along with dead lever 103, avoid dead lever 103 to drop from the inner chamber of fixed slot.

In the seventh embodiment, the left side of the left drill body 105, the right side of the right drill body 106 and the left side and the right side of the drill bit 101 are all provided with the junk slots, and the junk slots are arranged in a triangular shape.

In this embodiment: this split type pagoda shape drill bit through setting up the chip groove, can make the piece that produces when driling discharge through the chip groove, and the produced heat of drilling simultaneously can increase of service life along with the piece discharge.

The working principle is as follows: the adjusting block 111 is taken out of the inner cavity of the adjusting groove, and is unfolded by rotating the adjusting block 111, so that a worker can conveniently drive the sliding rod 110 to move by rotating the adjusting block 111, the slide rod 110 drives the matching nut 109 to rotate, the matching nut 109 is rotated to drop the matching block 108, so that the left drill body 105 and the right drill body 106 can be conveniently taken down, the connecting groove does not limit the fixed rod 103, the drill bit 101 can be separated from the drill handle 100, so that the worker can conveniently replace the drill bit 101, connect the drill handle 100 with a driving mechanism for drilling, the action bar 107 and the action rod 104 are rotated by the drill shank 100, the drill bit 101 is rotated by the action rod 104, the left drill body 105 and the right drill body 106 are driven to rotate through the action bar 107, an original to be processed is drilled through the drill bit 101, the left drill body 105 and the right drill body 106, and chips generated during drilling can be discharged through a chip discharge groove.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A split pagoda-shaped drill bit comprising a shank (100), characterized in that: the drill bit is characterized in that a drill bit (101) is arranged at the bottom end of the drill handle (100), a fixing ring (102) is arranged on the top wall of the drill bit (101), fixing grooves are uniformly formed in the outer wall of the fixing ring (102), a fixing rod (103) is arranged in an inner cavity of the fixing groove, a clamping groove is formed in the lower side of the outer wall of the drill handle (100), one end, close to the drill handle (100), of the fixing rod (103) is located in the inner cavity of the clamping groove, action rods (104) are arranged on the left side and the right side of the outer wall of the drill handle (100), action grooves are formed in the left side and the right side of the top wall of the fixing ring (102), the action rods (104) are located in the inner cavity of the action grooves, a left drill body (105) and a right drill body (106) are respectively arranged on the left side and the right side of the outer wall of the drill handle (100), action strips (107) are arranged on the left side and the right side of the outer wall of the drill body (105), and transmission grooves are formed in the opposite sides of the right drill body (106), the left and right sides action strip (107) are located the inner chamber of left and right sides transmission groove respectively, the diapire of the body (106) is bored on the left side (105) and the right side and seted up and is fixed ring (102) assorted spread groove, the roof of the body (106) is bored on the left side (105) and the right side all is provided with cooperation piece (108), cooperation piece (108) are provided with cooperation nut (109) with the outer wall of drillstock (100), drill bit (101), the body (105) is bored on the left side and the right side (106) are bored the body and are the setting of turriform pagoda.

2. The split pagoda-shaped drill of claim 1 wherein: the spout has been seted up to the lateral wall about cooperation nut (109), the lateral wall all is provided with slide bar (110) around the spout inner chamber, the outer wall of slide bar (110) is provided with regulating block (111), the roof of the body (106) is bored with the right side to the left side body (105) all seted up with regulating block (111) assorted adjustment tank, the left and right sides regulating block (111) are located the inner chamber of left and right sides adjustment tank.

3. The split pagoda-shaped drill of claim 2 wherein: the limiting groove has all been seted up to the left and right sides of drill bit (101) roof, the diapire of the body (106) is bored with the right side to the left side (105) all is provided with stopper (112), the left and right sides stopper (112) are located the inner chamber of the limiting groove of the left and right sides respectively.

4. A split pagoda-shaped drill according to claim 3 wherein: the action strip (107) is trapezoidal, and the left and right sides action strip (107) are the symmetry and set up, the inner wall in transmission groove and the outer wall phase-match of action strip (107).

5. The split pagoda-shaped drill of claim 4 wherein: the left side and the right side of the fixed rod (103) are circularly arranged, and one end, far away from the drill handle (100), of the fixed rod (103) is located on the inner wall of the connecting groove.

6. The split pagoda-shaped drill of claim 5, wherein: the both sides of fixed slot inner wall are the slope setting, the aperture of the both sides of fixed slot inner wall is less than the diameter of dead lever (103).

7. The split pagoda-shaped drill of claim 6 wherein: the left side of the left drill body (105), the right side of the right drill body (106) and the left side and the right side of the drill bit (101) are provided with chip grooves, and the chip grooves are arranged in a triangular mode.