Quick connection type square hole drill

Abstract

The utility model discloses a quick connection type square hole drill which comprises a drill bit and a square hole drill sleeve, a positioning ring groove used for being connected with the square hole drill sleeve is formed in the periphery of the drill bit, and a positioning piece matched with the positioning ring groove is arranged on the upper portion of the square hole drill sleeve. Wherein the square hole drill bushing is connected to the positioning ring groove of the drill bit through a positioning piece. According to the utility model, through the arrangement of the positioning ring groove and the positioning piece, the square hole drill bushing can be quickly connected with the drill bit. Compared with a traditional mode of rotation and adjustment alignment, the design can save the installation time and improve the working efficiency. Through cooperation of the positioning piece, the square hole drill bushing and the drill bit can be accurately aligned. The accurate alignment can ensure that the square hole drill bit operates according to the preset track and position in the machining process, and therefore it is ensured that the size, the shape and the flatness of a square hole meet the requirements.

Description

Technical Field

[0001] The utility model relates to a quick-connect square hole drill. Background Art

[0002] A square hole drill is a special drill used to drill square holes. It can cut on a workpiece to form a square hole.

[0003] When installing a square hole drill, the housing and drill bit are usually inserted into the drill bit fixture or connecting rod of the electric hammer and rotated or adjusted to align them correctly. Then, they are fixed by tightening the screws or using the locking device on the connecting rod.

[0004] In the prior art, the alignment steps are relatively precise and the alignment efficiency is low. Incorrect alignment may cause the square hole drill to deviate from the predetermined trajectory and position, thereby causing the size, shape or flatness of the square hole to fail to meet the requirements. The reduced processing quality may affect the functionality, appearance and reliability of the workpiece. Therefore, a quick-connect square hole drill is proposed. Utility Model Content

[0005] The utility model aims to provide a quick-connect square hole drill to solve the problem that the square hole drill proposed in the above background technology needs to be aligned during installation, the alignment steps are relatively precise, and the alignment efficiency is low.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a quick-connect square hole drill, comprising a drill bit and a square hole drill sleeve, the outer periphery of the drill bit is provided with a positioning ring groove for connecting the square hole drill sleeve, and the upper part of the square hole drill sleeve is provided with a positioning piece matched with the positioning ring groove;

[0007] Wherein, the square hole drill sleeve is connected to the positioning ring groove of the drill bit through a positioning piece.

[0008] Preferably, the positioning member comprises an externally rotating sleeve, the inner side of the externally rotating sleeve is connected to an abutting sleeve, and the inner wall of the abutting sleeve is provided with an internal thread.

[0009] Preferably, an inner groove for the movement of the abutment sleeve is provided on the outer circumference of the square hole drill sleeve, and an outer thread matching the inner thread is provided at the inner groove, so that the abutment sleeve can rotate and move at the inner groove through the outer thread.

[0010] Preferably, a channel is opened around the upper part of the square hole drill sleeve, the interior of the channel is connected with a positioning bead, and the channel is located on one side of the inner groove and is arranged in a downwardly inclined arc shape.

[0011] Preferably, one side of the abutment sleeve is arranged in an arc shape so that the abutment sleeve fits against the outer periphery of the positioning bead.

[0012] Preferably, an inner cavity groove for abutting the movement of the sleeve is opened at the upper part of the inner groove.

[0013] Preferably, the positioning ring groove and the positioning column cooperate with each other.

[0014] Preferably, the inner diameter of the square hole drill sleeve is larger than the outer diameter of the drill bit.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can realize the quick connection between the square hole drill sleeve and the drill bit by providing the positioning ring groove and the positioning piece. Compared with the traditional rotation and adjustment alignment, this design can save installation time and improve work efficiency.

[0017] Through the cooperation of the positioning piece, the square hole drill sleeve and the drill bit can be accurately aligned. This precise alignment can ensure that the square hole drill bit operates according to the predetermined trajectory and position during the processing process, thereby ensuring that the size, shape and flatness of the square hole meet the requirements.

[0018] The quick-connect square hole drill adopts the connection method of internal and external threads. The square hole drill sleeve is connected to the drill bit by rotating and moving the abutment sleeve to adjust the position of the positioning bead. This can enhance the stability of the connection, reduce the vibration and swing of the tool, and improve the stability and accuracy of processing.

[0019] Due to the quick-connect design, the connection between the square hole drill sleeve and the drill bit can be removed relatively easily. This is very convenient for maintenance, tool replacement or conversion between different processing tasks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the drill bit structure of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the combined structure of a square hole drill sleeve and a positioning member according to an embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of the cutaway structure of the square hole drill sleeve and the positioning member combination according to an embodiment of the utility model;

[0024] Figure 5 This is a schematic diagram of the positioning member structure of an embodiment of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of a square hole drill sleeve according to an embodiment of the utility model.

[0026] In the figure: 1, drill bit; 101, positioning ring groove; 2, square hole drill sleeve; 201, inner groove; 202, external thread; 203, channel; 204, positioning bead; 205, inner cavity groove; 3, positioning piece; 301, external rotating sleeve; 302, abutting sleeve; 303, internal thread. DETAILED DESCRIPTION

[0027] In order to solve the problem that the square hole drill needs to be aligned during installation, the alignment steps are relatively precise, and the alignment efficiency is low, the embodiment of the utility model provides a quick-connect square hole drill. The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 The utility model provides a quick-connect square hole drill, comprising a drill bit 1 and a square hole drill sleeve 2. The outer periphery of the drill bit 1 is provided with a positioning ring groove 101 for connecting the square hole drill sleeve 2, and the positioning ring groove 101 cooperates with the positioning column.

[0029] The upper part of the square hole drill sleeve 2 is provided with a positioning member 3 that cooperates with the positioning ring groove 101; the positioning member 3 includes an external rotating sleeve 301, the inner side of the external rotating sleeve 301 is connected to an abutting sleeve 302, and the inner wall of the abutting sleeve 302 is provided with an internal thread 303.

[0030] The outer periphery of the square hole drill sleeve 2 is provided with a content groove 201 for the movement of the abutment sleeve 302, and the content groove 201 is provided with an external thread 202 that cooperates with the internal thread 303, so that the abutment sleeve 302 can rotate and move at the content groove 201 through the external thread 202. The upper part of the square hole drill sleeve 2 is provided with a channel 203 around it, and the interior of the channel 203 is connected with a positioning bead 204, and the channel 203 is located on one side of the content groove 201 and is arranged in a downward arc shape. One side of the abutment sleeve 302 is arranged in an arc shape so that the abutment sleeve 302 fits the outer periphery of the positioning bead 204. The upper part of the content groove 201 is provided with an inner cavity groove 205 for the movement of the abutment sleeve 302. The inner diameter of the square hole drill sleeve 2 is larger than the outer diameter of the drill bit 1.

[0031] The square hole drill sleeve 2 is connected to the positioning ring groove 101 of the drill bit 1 through a positioning member 3 .

[0032] The working principle of a quick-connect square hole drill provided by the utility model is as follows: during assembly, after lubricating the positioning bead 204 and the positioning ring groove 101 with lubricating oil, the square hole drill sleeve 2 is sleeved on the outside of the drill bit 1 until the channel 203 of the square hole drill sleeve 2 is opposite to the positioning ring groove 101, and then the external rotating sleeve 301 is rotated to connect the abutting sleeve 302 to rotate, and the abutting sleeve 302 cooperates with the external thread 202 through the internal thread 303, and moves in the inner groove 201 until the abutting sleeve 302 moves to the inner cavity groove 205, and the arc surface of the abutting sleeve 302 squeezes the positioning bead 204 in the channel 203, and the positioning bead 204 is pushed out from the channel 203, and is clamped into the positioning ring groove 101, so as to connect the square hole drill sleeve 2 and the drill bit 1.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-connect square hole drill, characterized in that: It comprises a drill bit (1) and a square hole drill sleeve (2), wherein the outer periphery of the drill bit (1) is provided with a positioning ring groove (101) for connecting with the square hole drill sleeve (2), and the upper part of the square hole drill sleeve (2) is provided with a positioning piece (3) that matches with the positioning ring groove (101); Wherein, the square hole drill sleeve (2) is connected to the positioning ring groove (101) of the drill bit (1) via a positioning piece (3).

2. The quick-connect square hole drill according to claim 1, characterized in that: The positioning member (3) comprises an externally rotating sleeve (301), the inner side of the externally rotating sleeve (301) is connected to an abutting sleeve (302), and the inner wall of the abutting sleeve (302) is provided with an internal thread (303).

3. The quick-connect square hole drill according to claim 2, characterized in that: The outer circumference of the square hole drill sleeve (2) is provided with an inner groove (201) for the abutment sleeve (302) to move, and the inner groove (201) is provided with an outer thread (202) that cooperates with the inner thread (303), so that the abutment sleeve (302) can rotate and move at the inner groove (201) through the outer thread (202).

4. The quick-connect square hole drill according to claim 3, characterized in that: A channel (203) is provided around the upper part of the square hole drill sleeve (2), a positioning bead (204) is connected inside the channel (203), and the channel (203) is arranged in a downwardly inclined arc shape on one side of the inner groove (201).

5. The quick-connect square hole drill according to claim 4, characterized in that: One side of the abutment sleeve (302) is arranged in an arc shape so that the abutment sleeve (302) fits against the outer periphery of the positioning bead (204).

6. The quick-connect square hole drill according to claim 5, characterized in that: An inner cavity groove (205) for abutting against the movement of the sleeve (302) is provided at the upper portion of the inner groove (201).

7. The quick-connect square hole drill according to claim 6, characterized in that: The positioning ring groove (101) and the positioning column cooperate with each other.

8. The quick-connect square hole drill according to claim 7, characterized in that: The inner diameter of the square hole drill sleeve (2) is larger than the outer diameter of the drill bit (1).

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