CN219786666U

CN219786666U - Twist drill with distance measuring function

Info

Publication number: CN219786666U
Application number: CN202320568899.1U
Authority: CN
Inventors: 阮志财; 包小强; 谭现国
Original assignee: Zhejiang Bailey Tools Co ltd
Current assignee: Zhejiang Bailey Tools Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-10-03
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to a twist drill with a distance measuring function, which comprises an integrally formed assembly rod and a screw rod; the assembly rod is rotatably sleeved with a transverse frame, a distance measuring rod is arranged on the transverse frame in a sliding mode along the drilling direction, and a first scale extending along the length direction of the distance measuring rod is arranged on the distance measuring rod; the distance measuring rod comprises a distance measuring rod, and is characterized in that one end of the distance measuring rod is provided with an abutting plate used for being in contact with the surface of a workpiece, the other end of the distance measuring rod is sleeved with a reset spring used for pressing the abutting plate on the surface of the workpiece, and the reset spring stretches out and draws back along the length direction of the distance measuring rod. The utility model has the effects that the staff can more intuitively and accurately obtain the current drilling depth of the screw rod and can conveniently drill the inclined holes by the screw rod.

Description

Twist drill with distance measuring function

Technical Field

The utility model relates to the field of twist drills, in particular to a twist drill with a distance measuring function.

Background

Twist drills are drilling tools that cut a workpiece by rotation about a fixed axis. The chip flute is spiral and is similar to a twist.

The twist drill in the related art mainly comprises an integrally formed assembly rod and a screw rod, wherein the assembly rod is fixedly connected with an output shaft of an electric drill during drilling, and the screw rod can drill the surface of a workpiece after the electric drill is started. With respect to the twist drill described above, the inventors have found that it is difficult for a worker to judge the current drilling depth of the screw rod when the screw rod is drilling, and thus great inconvenience is brought to the drilling work.

Disclosure of Invention

In order to facilitate a worker to judge the drilling depth of a current screw rod, the utility model provides the twist drill with the distance measuring function.

The utility model provides a twist drill with a distance measuring function, which adopts the following technical scheme:

a twist drill with a distance measuring function comprises an integrally formed assembly rod and a screw rod; the assembly rod is rotatably sleeved with a transverse frame, a distance measuring rod is arranged on the transverse frame in a sliding mode along the drilling direction, and a first scale extending along the length direction of the distance measuring rod is arranged on the distance measuring rod; the distance measuring rod comprises a distance measuring rod, and is characterized in that one end of the distance measuring rod is provided with an abutting plate used for being in contact with the surface of a workpiece, the other end of the distance measuring rod is sleeved with a reset spring used for pressing the abutting plate on the surface of the workpiece, and the reset spring stretches out and draws back along the length direction of the distance measuring rod.

By adopting the technical scheme, the screw rod ensures that the abutting plate contacts with the surface of the workpiece before the screw rod is perforated, and the return spring is in a normal state at the moment; along with the continuous increase of the drilling depth of the screw rod, the transverse frame gradually approaches to the surface of the workpiece along with the assembly rod, and the distance measuring rod and the transverse frame are relatively displaced under the limit of the abutting plate at the moment, so that the current drilling depth of the screw rod can be obtained more intuitively and accurately by a first graduated scale staff on the distance measuring rod; when the hole is drilled, the distance measuring rod pushes the reset spring to stretch gradually, and after the spiral rod is taken out of the hole, the distance measuring rod automatically resets under the action of the reset spring, so that the distance measuring rod can conveniently perform the distance measuring work of the next round; in addition, when the screw rod is drilled, the distance measuring rod can also play a role in supporting and guiding the screw rod, so that the stability of the screw rod during drilling can be further improved.

Optionally, a sliding seat is slidably arranged on the transverse frame along the length direction of the transverse frame, and the distance measuring rod is slidably arranged on the transverse frame along the drilling direction through the sliding seat; the sliding seat is connected with a first fastener in a threaded manner, and the first fastener is used for fixing the sliding seat on the transverse frame.

Through adopting above-mentioned technical scheme, after relieving the locking of first fastener to sliding the seat, just can slide the seat along the length direction of crossbearer that slides, just can realize adjusting the interval between range finding pole and the hob under the effect of sliding the seat this moment, through removing range finding pole to suitable position to can reduce the influence that the range finding pole brought when giving the hob drilling.

Optionally, a second graduated scale extending along the length direction of the transverse frame is arranged on the transverse frame.

By adopting the technical scheme, when the sliding seat is subjected to sliding adjustment, a user can more intuitively and accurately judge the distance between the current ranging rod and the screw rod through the second graduated scale; in addition, the staff can more accurately position the position to be perforated through the second graduated scale.

Optionally, a universal shaft is arranged on the ranging rod, and the ranging rod is rotatably arranged on the abutting plate through the universal shaft; the interference plate is connected with a second fastening piece in a threaded mode, and the second fastening piece is used for fixing the distance measuring rod on the interference plate.

Through adopting above-mentioned technical scheme, remove the second fastener and to the fixed back between range rod and the conflict board, just can adjust the inclination between range rod and the conflict board this moment, through adjusting range rod and the inclination of conflict board to the suitable position after, rethread second fastener fixes range rod and conflict board, just can make things convenient for the hob to carry out the drilling work of inclined hole this moment.

Optionally, be provided with the protractor that is used for measuring range finding pole and conflict board inclination on the conflict board, the protractor is close to the cardan shaft.

Through adopting above-mentioned technical scheme, when adjusting the inclination of range finding pole, can make things convenient for the inclination between current range finding pole and the conflict board of more directly perceived and accurate observation of staff through the protractor, improved the accuracy of angle modulation.

Optionally, be provided with the rubber pad on the lateral wall that the conflict board deviates from the range pole.

Through adopting above-mentioned technical scheme, the frictional force on conflict board and work piece surface can be increased to the rubber pad to can prevent the condition that the conflict board took place to slide when drilling, improve the stability when contradicting board and work piece surface conflict.

Optionally, protruding thorns are formed on the side wall of the rubber pad, which deviates from the abutting plate.

Through adopting above-mentioned technical scheme, protruding thorn has further increased the roughness on rubber pad surface, to the comparatively smooth work piece in surface, can further prevent the condition that the rubber pad took place to slide.

Optionally, the range finding pole is provided with two sets of, just the range finding pole is symmetry setting at crossbearer (10) both ends.

Through adopting above-mentioned technical scheme, when the hob is drilling, can further improve the support and the direction effect to the hob through the range finding pole that is located hob both sides to stability when can further strengthen the hob drilling.

In summary, the present utility model includes at least one of the following beneficial technical effects:

the staff can more intuitively and accurately obtain the drilling depth of the current screw rod through the first graduated scale on the distance measuring rod; through adjusting the inclination of range finding pole and conflict board to the suitable position back, rethread second fastener is fixed range finding pole and conflict board, just can make things convenient for the hob to carry out the drilling work of inclined hole this moment.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a partial structural view of the other side of the highlighted distance-measuring pole of fig. 1.

Reference numerals illustrate: 1. assembling a rod; 10. a cross frame; 101. a second scale; 11. a ranging rod; 110. a universal shaft; 12. a first scale; 13. a contact plate; 130. a second fastener; 131. an angle gauge; 132. a rubber pad; 133. protruding thorns; 14. a return spring; 15. a sliding seat; 151. a first fastener; 2. a screw rod.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a twist drill with a distance measuring function. Referring to fig. 1 and 2, the twist drill with distance measuring function comprises an integrally formed assembly rod 1 and a screw rod 2, wherein the assembly rod 1 and the screw rod 2 are coaxially arranged. The assembly rod 1 is provided with a transverse frame 10 through a bearing rotating sleeve, the transverse frame 10 is limited on the assembly rod 1 through a bearing, the transverse frame 10 can only rotate relative to the assembly rod 1, and the transverse frame 10 is mutually perpendicular to the assembly rod 1. Two sets of range finding poles 11 for measuring the drilling depth of the screw rod 2 are installed on the transverse frame 10, the range finding poles 11 extend along the length direction of the screw rod 2, and the two sets of range finding poles 11 are parallel to each other. The distance measuring rods 11 are symmetrically arranged at two sides of the screw rod 2.

As shown in fig. 1 and 2, two sets of sliding seats 15 are arranged on the transverse frame 10, and the sliding seats 15 are symmetrically arranged on two sides of the screw rod 2. The sliding seat 15 can slide along the length direction of the transverse frame 10, the sliding seat 15 is in threaded connection with a first fastener 151 for fixing the sliding seat 15 on the transverse frame 10, in this embodiment, the first fastener 151 adopts a butterfly bolt, and the sliding seat 15 can be fixed at a designated position of the transverse frame 10 by screwing the butterfly bolt and mutually abutting the end of the butterfly bolt with the outer side wall of the transverse frame 10. The second graduated scale 101 extending along the length direction of the transverse frame 10 is arranged on the outer side wall of the transverse frame 10, and the sliding distance of the sliding seat 15 is conveniently measured through the second graduated scale 101.

As shown in fig. 1 and 2, the ranging rod 11 is provided with a first scale 12 extending along the length direction of the ranging rod 11, the ranging rods 11 are respectively inserted into the sliding seats 15, and the ranging rod 11 is slidably disposed on the sliding seats 15 along the drilling direction of the screw rod 2. The outer side wall of one end of the ranging rod 11, which is close to the assembly rod 1, is sleeved with a return spring 14, the return spring 14 stretches out and draws back along the length direction of the ranging rod 11, one end of the return spring 14 is fixedly connected with the end part of the ranging rod 11, and the other end of the return spring 14 is fixedly connected with the outer side wall of the sliding seat 15.

As shown in fig. 1 and 2, a spherical universal shaft 110 is fixedly arranged at one end of the ranging rod 11 far away from the return spring 14, the end part of the ranging rod 11 is rotatably provided with a contact plate 13 used for contacting with the surface of a workpiece through the universal shaft 110, and the contact plate 13 can be mutually pressed with the surface of the workpiece to be drilled under the action of the elasticity of the return spring 14 during drilling. The interference plate 13 is screwed with a second fastening member 130 for fixing the ranging rod 11 to the interference plate 13, and in this embodiment, the second fastening member 130 is a butterfly bolt. By tightening the second fastener 130, the end of the second fastener 130 will abut against the outer sidewall of the cardan shaft 110.

As shown in fig. 1 and 2, the supporting plate 13 is fixedly provided with a protractor 131 for measuring the inclination angle of the ranging rod 11 and the supporting plate 13, and the protractor 131 is close to the universal shaft 110. The rubber pad 132 is fixedly adhered to the side wall of the abutting plate 13, which is away from the ranging rod 11, and a plurality of protruding thorns 133 for increasing the surface roughness of the rubber pad 132 are integrally formed on the side wall of the rubber pad 132, which is away from the abutting plate 13.

The implementation principle of the twist drill with the distance measuring function provided by the embodiment of the utility model is as follows: before the screw rod 2 is perforated, the abutting plate 13 is contacted with the surface of the workpiece, and the return spring 14 is in a normal state. Along with the continuous increase of the drilling depth of the screw rod 2, the transverse frame 10 gradually approaches to the surface of the workpiece along with the assembly rod 1, and the distance measuring rod 11 is relatively displaced with the transverse frame 10 under the limit of the abutting plate 13, so that the worker can more intuitively and accurately obtain the drilling depth of the current screw rod 2 through the first graduated scale 12 on the distance measuring rod 11. When the screw rod 2 is taken out from the workpiece after the drilling is completed, the distance measuring rod 11 automatically resets under the action of the distance measuring spring 14, so that the distance measuring rod 11 can conveniently perform the distance measuring work of the next round. In addition, when the screw rod 2 is drilled, the distance measuring rod 11 can also play a role in supporting and guiding the screw rod 2, so that the stability of the screw rod 2 during drilling can be further improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A twist drill with a distance measuring function comprises an integrally formed assembly rod (1) and a screw rod (2); the method is characterized in that: the assembly rod (1) is rotatably sleeved with a transverse frame (10), a distance measuring rod (11) is slidably arranged on the transverse frame (10) along the drilling direction, and a first graduated scale (12) extending along the length direction of the distance measuring rod (11) is arranged on the distance measuring rod (11); the device is characterized in that an abutting plate (13) used for being in contact with the surface of a workpiece is arranged at one end of the ranging rod (11), a reset spring (14) used for pressing the abutting plate (13) on the surface of the workpiece is sleeved at the other end of the ranging rod (11), and the reset spring (14) stretches out and draws back along the length direction of the ranging rod (11).

2. The twist drill with ranging function according to claim 1, wherein: a sliding seat (15) is arranged on the transverse frame (10) in a sliding manner along the length direction of the transverse frame (10), and the distance measuring rod (11) is arranged on the transverse frame (10) in a sliding manner along the drilling direction through the sliding seat (15); the sliding seat (15) is connected with a first fastener (151) used for fixing the sliding seat (15) on the transverse frame (10) through threads.

3. The twist drill with ranging function according to claim 2, wherein: the transverse frame (10) is provided with a second graduated scale (101) extending along the length direction of the transverse frame (10).

4. The twist drill with ranging function according to claim 1, wherein: a universal shaft (110) is arranged on the ranging rod (11), and the ranging rod (11) is rotatably arranged on the abutting plate (13) through the universal shaft (110); the interference plate (13) is in threaded connection with a second fastener (130) used for fixing the distance measuring rod (11) on the interference plate (13).

5. The twist drill with ranging function as set forth in claim 4, wherein: the angle gauge is characterized in that an angle gauge (131) used for measuring the inclination angle of the ranging rod (11) and the abutting plate (13) is arranged on the abutting plate (13), and the angle gauge (131) is close to the universal shaft (110).

6. The twist drill with ranging function according to claim 5, wherein: a rubber pad (132) is arranged on the side wall of the abutting plate (13) deviating from the distance measuring rod (11).

7. The twist drill with ranging function as set forth in claim 6, wherein: the side wall of the rubber pad (132) deviating from the abutting plate (13) is provided with a protruding thorn (133).

8. The twist drill with ranging function according to claim 1, wherein: the distance measuring rods (11) are arranged in two groups, and the distance measuring rods (11) are symmetrically arranged at two ends of the transverse frame (10).