High-hardness screw tap with replaceable connector

Abstract

The utility model relates to the technical field of high-hardness screw taps, and discloses a high-hardness screw tap with a replaceable connector, which comprises a screw tap head, a connecting rod and a connecting seat, and four thread strips are arranged on the outer ring of the screw tap head; a limiting column is arranged in the middle of the front end of the connecting base, four clamping blocks are arranged on the outer ring of the connecting base, connectors are installed at the rear ends of the clamping blocks, a notch is formed in the middle of the rear end of the connecting rod, and the connecting base is connected with the notch in a clamped mode. By unscrewing the four fixing bolts, the first mounting plate and the second mounting plate are disassembled, so that the type of the screw tap head can be replaced, the whole body is prevented from being replaced, the cost is saved, convenience is brought, and the connector can be used for replacing different types of gun barrels of the electric gun without limitation.

Description

Technical Field

[0001] The utility model relates to the technical field of high-hardness taps, in particular to a high-hardness tap with a replaceable connecting head. Background Art

[0002] A tap is a tool for processing internal threads. According to the shape, it can be divided into spiral groove taps, blade inclination angle taps, straight groove taps and pipe thread taps, etc. According to the use environment, it can be divided into hand taps and machine taps, and according to the specifications, it can be divided into metric, American, and imperial taps, etc. The connecting head of the high-hardness taps currently used on the market is an integral whole with the tap head and cannot be disassembled. When the tap head is damaged, the entire thing needs to be replaced, which increases the cost. It is impossible to replace the tap port and the barrel of the electric gun according to the size, which is limited. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a high-hardness tap with a replaceable connecting head, which has the advantages of a replaceable connecting head and solves the problems raised by the background technology.

[0004] In order to achieve the purpose of the above-mentioned replaceable connector, the utility model provides the following technical solutions: a high-hardness tap with a replaceable connector, comprising a tap, a connecting rod and a connecting seat, wherein the outer ring of the tap is provided with four thread strips;

[0005] A limiting column is arranged in the middle of the front end of the connecting seat, four clamping blocks are arranged on the outer ring of the connecting seat, a connecting head is installed at the rear end of the clamping block, a notch is arranged in the middle of the rear end of the connecting rod, and the connecting seat is clamped and connected with the notch.

[0006] As a further solution of the utility model: the outer ring of the limit column is provided with a plurality of side columns, and four side columns are provided, and the side columns improve the firmness of the connection.

[0007] As a further solution of the utility model: the middle layer material of the wire tap is carbon steel, and the outer layer of the carbon steel is provided with titanium alloy. The titanium alloy can improve the strength of the wire tap and maintain good performance at high and low temperatures, which can improve the strength of the wire tap and avoid breakage during use.

[0008] As a further solution of the utility model: the outer layer of the titanium alloy is provided with an anti-corrosion layer, and the anti-corrosion layer is a corrosion-resistant paint, which improves the corrosion resistance of the surface of the tap, avoids rust caused by corrosion, and increases the service life.

[0009] As a further solution of the utility model: a first mounting plate is installed at the front end of the connecting rod, and a second mounting plate is installed at the rear end of the tap. Four fixing bolts are arranged on the second mounting plate. The four fixing bolts are unscrewed and the first mounting plate and the second mounting plate are disassembled, so that the model of the tap can be replaced, avoiding replacement of the entire tap, saving costs and bringing convenience.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] In the utility model, the first mounting plate and the second mounting plate are disassembled by unscrewing the four fixing bolts, so that the model of the tapping head can be replaced, avoiding the replacement of the entire body, saving costs and bringing convenience. The connecting head can be replaced with different models of the gun barrel of the electric gun without being limited. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0013] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the material structure of the middle thread tapping head of the utility model.

[0015] In the figure: 1. tap; 2. threaded bar; 3. connecting rod; 4. connecting head; 5. clamping block; 6. connecting seat; 7. first mounting plate; 8. fixing bolt; 9. second mounting plate; 10. anti-corrosion layer; 11. titanium alloy; 12. carbon steel; 13. side column; 14. limit column. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that titanium alloy 11 is a prior art and common knowledge to those skilled in the art, and will not be described in detail here.

[0018] See also Figures 1 to 3 In the embodiment of the utility model, a high-hardness tap with a replaceable connecting head comprises a tap head 1, a connecting rod 3 and a connecting seat 6, and the outer ring of the tap head 1 is provided with four thread strips 2;

[0019] A limiting column 14 is arranged in the middle of the front end of the connecting seat 6, four clamping blocks 5 are arranged on the outer ring of the connecting seat 6, a connecting head 4 is installed at the rear end of the clamping block 5, a notch is arranged in the middle of the rear end of the connecting rod 3, and the connecting seat 6 is clamped and connected with the notch.

[0020] The outer ring of the limit column 14 is provided with multiple side columns 13, and there are four side columns 13, which improve the firmness of the connection; the middle layer material of the tap head 1 is carbon steel 12, and the outer layer of the carbon steel 12 is provided with titanium alloy 11, which can improve the strength of the tap head 1 and maintain good performance at high and low temperatures, which can improve the strength of the tap head 1 and avoid breakage during use; the outer layer of the titanium alloy 11 is provided with an anti-corrosion layer 10, and the anti-corrosion layer 10 is a corrosion-resistant paint, which improves the corrosion resistance of the surface of the tap head 1, avoids rust caused by corrosion, and improves the service life; the front end of the connecting rod 3 is installed with a first mounting plate 7, and the rear end of the tap head 1 is installed with a second mounting plate 9, and four fixing bolts 8 are arranged on the second mounting plate 9. The four fixing bolts 8 are unscrewed, and the first mounting plate 7 and the second mounting plate 9 are disassembled, so that the model of the tap head 1 can be replaced, avoiding replacement of the whole, saving costs, and bringing convenience.

[0021] The working principle of the utility model is: insert the connecting seat 6 into the recess in the connecting rod 3, the limiting column 14 limits the connecting seat 6, the four blocks 5 and the side column 13 improve the firmness of the connection, insert the front end of the connecting head 4 into the gun barrel of the electric gun, start the electric gun, and the gun barrel drives the connecting head 4 to rotate, thereby driving the tapping head 1 to rotate and perform tapping operations. The anti-corrosion layer 10 is corrosion-resistant paint, which improves the corrosion resistance of the surface of the tapping head 1, avoids rust caused by corrosion, and improves the service life. The titanium alloy 11 can improve the strength of the tapping head 1 and maintain good performance at high and low temperatures. The middle layer material of the tapping head 1 is carbon steel 12, which can improve the strength of the tapping head 1 and avoid breakage during use. Unscrew the four fixing bolts 8, and disassemble the first mounting plate 7 and the second mounting plate 9, so that the model of the tapping head 1 can be replaced, avoiding replacement of the entire body, saving costs, and bringing convenience. The connecting head 4 can be replaced with different models of the gun barrel of the electric gun without being limited.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-hardness tap with a replaceable connecting head, comprising a tap head (1), a connecting rod (3) and a connecting seat (6), wherein the outer ring of the tap head (1) is provided with four thread strips (2); Features: A limiting column (14) is provided at the middle of the front end of the connecting seat (6), four clamping blocks (5) are provided at the outer ring of the connecting seat (6), a connecting head (4) is installed at the rear end of the clamping block (5), a notch is provided at the middle of the rear end of the connecting rod (3), and the connecting seat (6) is clamped and connected to the notch.

2. A high-hardness tap with a replaceable connector according to claim 1, characterized in that: The outer ring of the limiting column (14) is provided with a plurality of side columns (13), and four side columns (13) are provided.

3. A high-hardness tap with a replaceable connector according to claim 1, characterized in that: The middle layer material of the tap (1) is carbon steel (12), and the outer layer of the carbon steel (12) is provided with a titanium alloy (11).

4. A high-hardness tap with a replaceable connector according to claim 3, characterized in that: The outer layer of the titanium alloy (11) is provided with an anti-corrosion layer (10), and the anti-corrosion layer (10) is a corrosion-resistant paint.

5. The high-hardness tap with a replaceable connector according to claim 1, characterized in that: A first mounting plate (7) is mounted on the front end of the connecting rod (3), a second mounting plate (9) is mounted on the rear end of the tapping head (1), and four fixing bolts (8) are arranged on the second mounting plate (9).

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