Depth-adjustable drill bit

Abstract

The utility model discloses a depth-adjustable drill bit, and belongs to the technical field of drill bits. Comprising a main body and a limiting mechanism, the main body comprises a drill bit, an adjusting head is inserted into one end of the drill bit, a connector is inserted into one end of the adjusting head, a through groove is formed in the end, close to the adjusting head, of the drill bit, a sliding block is slidably installed in the through groove, and maintaining blocks are installed at the two ends of the sliding block; the limiting mechanism comprises a limiting cylinder, the limiting cylinder is slidably arranged on the outer side of the drill bit in a sleeving mode, sliding rods are fixedly installed on the two sides of one end of the limiting cylinder, one ends of the pair of sliding rods are slidably connected with the pair of retaining blocks correspondingly, and one ends of the sliding rods extend to the outer portions of the retaining blocks and are in threaded connection with anti-falling caps; the ends, close to the limiting cylinders, of the sliding rods are sleeved with springs. According to the utility model, the practicability of the drill bit can be effectively improved, and the practical value is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to drill bit technical field, concretely is a depth adjustable drill bit. BACKGROUND

[0002] In modern industrial manufacturing and construction industry, drilling operation is a very basic and indispensable operation. With the increasing automation degree of manufacturing industry, the increasing expansion of building scale and the increasingly complex building structure, the requirements for drilling precision and efficiency are also improving.

[0003] Based on the above, the inventor found that there are the following problems: the traditional drill bit does not have a depth adjustment function, and the operator mostly estimates the drilling depth by experience and simple external markers. The error of this estimation method is large.

[0004] Therefore, in view of the above, the existing structure and defects are studied and improved, and a depth adjustable drill bit is provided to achieve the purpose of having more practical value. INVENTION CONTENTS

[0005] The utility model discloses a depth adjustable drill bit to solve the problems in the above background technology.

[0006] By adopting the above technical scheme, the drilling depth can be adjusted, thereby improving the installation efficiency. In view of the above problems, the technical scheme provided by the utility model is:

[0007] A depth adjustable drill bit, comprising a main body and a limiting mechanism, the main body comprises a drill bit, one end of the drill bit is inserted with an adjusting head, one end of the adjusting head is inserted with a connecting head, one end of the drill bit close to the adjusting head is provided with a through slot, a sliding block is slidably installed in the through slot, the both ends of the sliding block are provided with retaining blocks, the limiting mechanism comprises a limiting cylinder, the limiting cylinder is slidably sleeved on the outside of the drill bit, the both sides of one end of the limiting cylinder are fixedly provided with sliding rods, one end of a pair of sliding rods is slidably connected with a pair of retaining blocks, one end of the sliding rod extends to the outside of the retaining block and is threadedly connected with a anti-loosing cap, and the sliding rod is sleeved with a spring at one end close to the limiting cylinder.

[0008] Further, one end of the through slot is rotatably connected with a lead screw, and the lead screw is threadedly connected with the sliding block.

[0009] The beneficial effects of the above further scheme are that the lead screw is rotatably connected, and is threadedly connected with the sliding block. When the lead screw rotates, the sliding block can move in the through slot.

[0010] Further, the adjusting head is rotatably connected with an adjusting wheel in the inside, and one end of the adjusting wheel is connected with the lead screw.

[0011] The beneficial effect of the above further scheme is that the adjusting wheel is connected to one end of the lead screw by rotating connection, and when the adjusting wheel rotates, the lead screw is driven to rotate.

[0012] Further, a pressure sensor is fixedly installed on the outer side of one end of the limiting cylinder, and an alarm is installed on one side of the pressure sensor.

[0013] The beneficial effect of the above further scheme is that the pressure sensor is installed, and when the limiting cylinder is attached to the surface of the part to be drilled, the pressure value can be monitored, and the alarm is installed to facilitate the prompt sound to the operator.

[0014] Further, a microcontroller and a battery are arranged inside the alarm, and the microcontroller is electrically connected to the battery, the pressure sensor and the alarm through wires.

[0015] The beneficial effect of the above further scheme is that the microcontroller is arranged inside the alarm to facilitate the reception and processing of the signal sent by the pressure sensor and control the alarm to emit the prompt sound, and the battery is installed to facilitate the power supply of the pressure sensor and the alarm.

[0016] Further, the upper and lower ends of the adjusting wheel extend to the outside of the adjusting head, and the outer side of the adjusting wheel is provided with anti-skid texture.

[0017] The beneficial effect of the above further scheme is that the two ends of the adjusting wheel extend to the outside of the adjusting head, which facilitates the rotation of the adjusting wheel by the user.

[0018] Further, a buffer pad is embedded and installed at one end of the limiting cylinder, and the buffer pad is made of rubber material. The beneficial effect of the above further scheme is that the rubber material buffer pad is embedded and installed at one end of the limiting cylinder to avoid damage to the part by the limiting cylinder when the drill reaches the set depth.

[0019] The utility model discloses an advantageous effect is: the utility model discloses a depth adjustable drill bit through the above -mentioned design, this depth adjustable drill bit, through setting up the through groove in the one end of drill bit, and the inside slide mounting slider, slider both ends are equipped with the retaining block, make the retaining block can follow the through groove and slide, through the slide sleeve of spacing cylinder on the outside of drill bit, and install the slide bar on its one end both sides, and the slide bar is connected with the retaining block slidingly, and its one end passes through the retaining block screw connection anti -drop cap, when slider moves, the position of spacing cylinder on drill bit can be adjusted, thereby adjusting the drilling depth of drill bit, through the spring of slide bar one end sleeve setting, utilize the buffering effect of spring, avoid operator excessive force, make spacing cylinder and drill hole piece impact, and then cause the damage of screw rod, through the inside setting wechat controller of siren, convenient to the signal of pressure sensor and control siren send the signal of receiving processing, and control siren sends the signal of lifting sound, through the installation battery, convenient pressure sensor and siren provide power supply. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model discloses a depth adjustable drill bit's three -dimensional structure schematic for embodiment of the utility model discloses Figure 1 ;

[0021] Figure 2 The utility model discloses a depth adjustable drill bit's three -dimensional structure schematic for embodiment of the utility model discloses Figure 2 ;

[0022] Figure 3 The utility model discloses a depth adjustable drill bit's three -dimensional structure schematic for embodiment of the utility model discloses Figure 3 ;

[0023] Figure 4 The utility model discloses a depth adjustable drill bit's inside three -dimensional structure schematic for embodiment of the utility model discloses

[0024] Figure 5 The utility model discloses a depth adjustable drill bit's Figure 2 A structure amplification schematic drawing for embodiment of the utility model discloses.

[0025] In the drawing: 100, main body;1001, drill bit;1002, adjusting head;1003, connecting head;1004, through groove;1005, retaining block;1006, screw rod;1007, adjusting wheel;1008, slider;200, limiting mechanism;2001, spacing cylinder;2002, pressure sensor;2003, siren;2004, slide bar;2005, anti -drop cap;2006, spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0027] Please refer to Figure 1 - Figure 5 The utility model provides a kind of adjustable depth drill bit, including main body 100 and limiting mechanism 200, main body 100 includes drill bit 1001, one end of drill bit 1001 is inserted with adjusting head 1002, one end of adjusting head 1002 is inserted with connecting head 1003, and the end of drill bit 1001 close to adjusting head 1002 is provided with through slot 1004, sliding block 1008 is slidably installed in the inside of through slot 1004, and the both ends of sliding block 1008 are all installed with retaining block 1005, limiting mechanism 200 includes limiting cylinder 2001, limiting cylinder 2001 is slidably sleeved on the outside of drill bit 1001, and the both sides of one end of limiting cylinder 2001 are fixedly installed with slide rod 2004, the both ends of a pair of slide rod 2004 are slidably connected with a pair of retaining block 1005 respectively, and one end of slide rod 2004 extends to the outside of retaining block 1005, and is threadedly connected with anti-removal cap 2005, spring 2006 is sleeved on one end of slide rod 2004 close to limiting cylinder 2001, through being provided with through slot 1004 in one end of drill bit 1001 and being slidably installed with sliding block 1008 in its inside, and sliding block 1008 is installed with retaining block 1005 in both ends, so that retaining block 1005 can slide along through slot 1004, limiting cylinder 2001 is slidably sleeved on the outside of drill bit 1001 by being slidably sleeved on the outside of drill bit 1001, and slide rod 2004 is installed in both sides of one end thereof, and slide rod 2004 is slidably connected with retaining block 1005, and one end thereof is threadedly connected with anti-removal cap 2005 by penetrating retaining block 1005, when sliding block 1008 moves, the position of limiting cylinder 2001 on drill bit 1001 can be adjusted, so as to adjust the drilling depth of drill bit 1001, spring 2006 is sleeved on one end of slide rod 2004, and spring 2006 can play the role of buffering, to avoid that operator overexerts force, so that limiting cylinder 2001 collides with drilling member, and further causes damage to screw rod 1006.

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0029] Please refer to Figure 1 - Figure 5 , one end of the through slot 1004 is rotatably connected with a lead screw 1006, the lead screw 1006 is threadedly connected with a sliding block 1008, the inside of the adjusting head 1002 is rotatably connected with an adjusting wheel 1007, one side center of the adjusting wheel 1007 is connected with one end of the lead screw 1006, the outside of one end of the limiting cylinder 2001 is fixedly installed with a pressure sensor 2002, one side of the pressure sensor 2002 is installed with an alarm 2003, the inside of the alarm 2003 is provided with a microcontroller and a battery, the microcontroller is electrically connected with the battery, the pressure sensor 2002 and the alarm 2003 through wires, the lead screw 1006 is rotatably connected, and the sliding block 1008 is threadedly connected with the lead screw 1006, when the lead screw 1006 rotates, the sliding block 1008 can be driven to move inside the through slot 1004, the adjusting wheel 1007 is rotatably connected, and one side center of the adjusting wheel 1007 is connected with one end of the lead screw 1006, when the adjusting wheel 1007 rotates, the lead screw 1006 can be driven to rotate, the pressure sensor 2002 is installed, when the limiting cylinder 2001 is attached to the surface of the part to be drilled, the pressure value can be monitored, the alarm 2003 is installed, which is convenient for the operator to issue a prompt sound, the microcontroller is arranged in the inside of the alarm 2003, which is convenient for receiving and processing the signal sent by the pressure sensor 2002 and controlling the alarm 2003 to issue a prompt sound, and the battery is installed, which is convenient for the pressure sensor 2002 and the alarm 2003 to provide power.

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] Please refer to Figure 1 - Figure 5 , the upper and lower ends of the adjusting wheel 1007 extend to the outside of the adjusting head 1002, and the outside of the adjusting wheel 1007 is provided with anti-skid texture, the one end of the limiting cylinder 2001 is embeddedly installed with a buffer pad, and the buffer pad is made of rubber material, by extending the two ends of the adjusting wheel 1007 to the outside of the adjusting head 1002, it is convenient for the user to rotate the adjusting wheel 1007, by embeddingly installing the rubber material buffer pad at one end of the limiting cylinder 2001, it avoids that the limiting cylinder 2001 causes damage to the part when the drill bit 1001 drills to the set depth.

[0032] Specifically, the working principle of the depth-adjustable drill bit: in use, according to the required drilling depth, the operator adjusts the adjusting wheel 1007 inside the adjusting head 1002, when the adjusting wheel 1007 rotates, since one side of the center is connected with the rotating screw rod 1006, it will drive the screw rod 1006 to rotate, the screw rod 1006 is threadedly connected with the sliding block 1008 slidingly installed inside the through slot 1004, with the rotation of the screw rod 1006, the sliding block 1008 will slide in the through slot 1004, the sliding block 1008 is installed at both ends of the retaining block 1005, the limiting cylinder 2001 is slidingly sleeved outside the drill bit 1001, and one end of the limiting cylinder 2001 is slidingly connected with one end of the sliding rod 2004 fixedly installed at both sides of the limiting cylinder 2001, the sliding of the sliding block 1008 will drive the sliding rod 2004 and the limiting cylinder 2001 to adjust the position relative to the drill bit 1001, the sliding block 1008 is installed at both ends of the retaining block 1005, the limiting cylinder 2001 in the limiting mechanism 200 is slidingly sleeved outside the drill bit 1001, and one end of the limiting cylinder 2001 is slidingly connected with one end of the sliding rod 2004 fixedly installed at both sides of the limiting cylinder 2001, the sliding of the sliding block 1008 will drive the sliding rod 2004 and the limiting cylinder 2001 to adjust the position relative to the drill bit 1001, the drill bit is installed on the corresponding drilling equipment through the connecting head 1003 for drilling operation, in the drilling process, the drill bit 1001 drills into the workpiece, when the drill bit 1001 drills to near or reaches the set drilling depth, the rubber buffer pad embedded and installed at one end of the limiting cylinder 2001 contacts with the surface of the workpiece, avoiding damage to the surface of the workpiece, at the same time, the pressure sensor 2002 fixedly installed at one end of the limiting cylinder 2001 will feel the change of pressure, when the pressure exceeds the set value, since the microcontroller is arranged inside the alarm 2003, the pressure sensor 2002 will transmit the signal to the microcontroller, and the microcontroller will control the alarm 2003 to issue an alarm after processing, prompting the operator that the drilling depth has reached the set value or will reach the set value.

Claims

1. An adjustable depth drill bit, comprising: The utility model relates to a drilling machine, including main part (100) and limiting mechanism (200), the main part (100) includes drill bit (1001), one end of drill bit (1001) is inserted with adjusting head (1002), one end of adjusting head (1002) is inserted with connecting head (1003), the one end of drill bit (1001) near adjusting head (1002) is set up with through slot (1004), the inside sliding installation of through slot (1004) is equipped with sliding block (1008), the both ends of sliding block (1008) are all installed with retaining block (1005), limiting mechanism (200) includes limiting cylinder (2001), limiting cylinder (2001) is slidingly covered in the outside of drill bit (1001), one end of limiting cylinder (2001) both sides are all fixedly installed with slide rod (2004), one pair of slide rod (2004) one end is slidably connected with a pair of retaining block (1005) respectively, the one end of slide rod (2004) extends to the outside of retaining block (1005), and is threadedly connected with anti -drop hat (2005), and the slide rod (2004) is set up with spring (2006) in the one end close to limiting cylinder (2001) all.

2. A depth-adjustable drill bit according to claim 1, wherein, One end of the through slot (1004) is rotatably connected with a lead screw (1006), and the lead screw (1006) is threadedly connected with the sliding block (1008).

3. A depth adjustable drill bit according to claim 2, wherein, The adjusting head (1002) is rotatably connected with an adjusting wheel (1007) inside the adjusting head (1002), and one side of the adjusting wheel (1007) is connected with one end of the lead screw (1006).

4. A depth adjustable drill bit according to claim 1, wherein, The limiting cylinder (2001) is fixedly installed with a pressure sensor (2002) on the outside of one end of the limiting cylinder (2001), and the pressure sensor (2002) is installed with an alarm (2003) on one side of the pressure sensor (2002).

5. A depth adjustable drill bit according to claim 4, wherein, The alarm (2003) is internally provided with a microcontroller and a battery, and the microcontroller is electrically connected with the battery, the pressure sensor (2002), and the alarm (2003) through wires.

6. A depth adjustable drill bit according to claim 3, wherein, The adjusting wheel (1007) extends to the outside of the adjusting head (1002) at the upper and lower ends of the adjusting wheel (1007), and the outside of the adjusting wheel (1007) is provided with anti-skid textures.

7. A depth adjustable drill bit according to claim 1 wherein, The limiting cylinder (2001) is embeddedly installed with a buffer pad at one end of the limiting cylinder (2001), and the buffer pad is made of rubber.

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