Drilling tool for special-shaped assembly of pressure switch

Abstract

The utility model discloses a drilling tool for a special-shaped assembly of a pressure switch, and belongs to the technical field of drilling tools. The tool comprises a bottom plate, a left baffle and a right baffle, the right baffle is installed at one end of the bottom plate through a plurality of connecting pieces, a locking assembly is arranged on the right baffle, the left baffle is installed on the side, away from the right baffle, of the bottom plate through a plurality of connecting pieces, and a limiting groove is formed in the end, close to the left baffle, of the bottom plate. The nut is positioned in the radial direction of the nut through the limiting groove in the bottom plate, the central axis of the radial hole in the nut is adjusted to the vertical position, then the left baffle and the locking assembly abut against the two ends of the special-shaped assembly respectively, a hole with the diameter phi being 1.4 mm can be drilled in a matched mode along the radial hole seat in the nut, and clamping of the special-shaped assembly is achieved; the positioning accuracy of the nut seat and the positioning accuracy of the drilling position of a hole with the diameter of 1.4 mm are ensured, and normal output of signals of the pressure switch is ensured.

Description

Technical Field

[0001] The utility model relates to a drilling tool for a special-shaped component of a pressure switch, belonging to the technical field of drilling tool. Background Art

[0002] A certain type of pressure switch is a matching accessory for the high-pressure oil filter of the hydraulic system. It is used to monitor the pressure at the outlet of the high-pressure oil filter and output a low-pressure alarm signal. When assembling and debugging the pressure switch, the length of the special-shaped component is adjusted to achieve reliable switching of the on and off states of the pressure switch. Specifically, Figure 1 As shown, the special-shaped component 1 includes a seat 10 and a nut 11, and the nut 11 is threadedly connected to the seat 10. By adjusting the assembly position of the nut 11 on the seat 10, the length of the special-shaped component 1 can be adjusted, further ensuring the reliable conversion of the on-off state of the pressure switch; after confirming the assembly position of the nut 11 on the seat 10, it is necessary to drill a hole with a diameter of Φ1.4mm on the seat 10 along the hole on the nut 11, so as to facilitate the rivet 12 to penetrate the Φ1.4mm hole to realize the riveting connection between the seat 10 and the nut 11. It can be seen that the positioning accuracy of the nut 11 on the seat 10 and the positioning accuracy of the drilling position of the Φ1.4mm hole will directly affect the signal output of the pressure switch. However, the special-shaped component 1 cannot be clamped and drilled on the existing drilling machine.

[0003] A Chinese patent document with publication number CN104400510A discloses a drilling positioning device, including a nut, a drilling platform, a base plate, a clamping plate, and a pressure plate. The base plate is located at the center of the top of the drilling platform, the clamping plate is located on the left side of the top of the base plate, and its shape is "V"-shaped. The two are threadedly connected. The pressure plate is located on the right side of the top of the base plate, and the two are slidably connected. The device first places the nut in the "V"-shaped groove of the clamping plate, and then presses it through the pressure plate to complete the positioning of the nut. In addition, there are several clamping plates, so multiple nuts can be processed at a single time. The device has simple positioning and a large number of nuts can be processed at a single time, which greatly improves the processing efficiency of the nuts.

[0004] The device is used for clamping and positioning the nut and drilling an axial hole on the nut. It can be seen that the device cannot achieve the clamping of the above-mentioned special-shaped parts to drill a Φ1.4mm radial hole on the seat. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a drilling tool for a special-shaped component of a pressure switch.

[0006] The utility model is realized through the following technical solutions:

[0007] A drilling tool for a special-shaped component of a pressure switch includes a base plate, a left baffle and a right baffle. The right baffle is installed at one end of the base plate through a plurality of connectors, and a locking assembly is provided on the right baffle. The left baffle is installed on a side of the base plate away from the right baffle through a plurality of connectors, and a limiting groove is provided on one end of the base plate close to the left baffle.

[0008] The bottom plate is L-shaped.

[0009] The limiting groove comprises a positioning notch, and an avoidance groove is arranged on the bottom surface of the positioning notch.

[0010] The right baffle is installed at one end of the bottom plate through two connecting pieces, and the left baffle is installed on a side of the bottom plate away from the right baffle through two connecting pieces.

[0011] The connecting piece is a screw.

[0012] The upper end surface of the left baffle is coplanar with the top surface of the bottom plate.

[0013] The locking assembly is threadedly connected to the right baffle.

[0014] The locking assembly comprises a screw rod and a pressure block. The screw rod passes through the right baffle and is threadedly connected with the right baffle. The pressure block is arranged on one end of the screw rod close to the left baffle.

[0015] A pin is arranged on one end of the screw rod away from the pressing block.

[0016] The drilling tool also includes a pressing plate, which is T-shaped and includes a pressing block and a limiting block. The limiting block is arranged at the bottom of the pressing block. When drilling, the limiting block extends into the limiting groove on the bottom plate and presses on the nut of the special-shaped component.

[0017] The beneficial effect of the utility model is that after the nut is threadedly connected to the seat and the assembly position of the nut on the seat is adjusted, glue is applied to the threaded joint surface of the nut and the seat, and then the nut is positioned in the radial direction of the nut through the limiting groove on the bottom plate, and the central axis of the radial hole on the nut is adjusted to the vertical position, and then the two ends of the special-shaped component are respectively pressed against by the left baffle and the locking component, and a hole with a diameter of Φ1.4mm can be drilled on the seat along the radial hole on the nut, thereby realizing the clamping of the special-shaped component, ensuring the positioning accuracy of the nut on the seat, and the positioning accuracy of the drilling position of the Φ1.4mm hole, and ensuring that the signal of the pressure switch can be output normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional view of a special-shaped component;

[0019] Figure 2 It is the assembly drawing of the utility model and the special-shaped components;

[0020] Figure 3It is a cross-sectional view of the bottom plate of the utility model;

[0021] Figure 4 for Figure 3 Left view of;

[0022] Figure 5 This is a schematic diagram of the main structure of the pressing plate of the utility model;

[0023] Figure 6 for Figure 5 Left view of .

[0024] In the figure: 1-special-shaped component, 10-seat, 11-nut, 2-connector, 3-left baffle, 4-bottom plate, 40-positioning notch, 41-avoidance groove, 5-right baffle, 6-screw, 7-pin, 8-pressure block, 9-pressure plate, 90-pressing block, 91-limiting block. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0026] like Figures 1 to 6 As shown, the utility model describes a drilling tool for a special-shaped component of a pressure switch, comprising a base plate 4, a left baffle plate 3 and a right baffle plate 5, wherein the right baffle plate 5 is installed at one end of the base plate 4 through a plurality of connectors 2, and a locking assembly is provided on the right baffle plate 5, the left baffle plate 3 is installed on a side of the base plate 4 away from the right baffle plate 5 through a plurality of connectors 2, and a limiting groove is provided on one end of the base plate 4 close to the left baffle plate 3. After the nut 11 is threadedly connected to the seat 10 and the assembly position of the nut 11 on the seat 10 is adjusted, glue is applied to the threaded joint surface of the nut 11 and the seat 10, and then the nut 11 is positioned in the radial direction of the nut 11 through the limit groove on the bottom plate 4, and the central axis of the radial hole on the nut 11 is adjusted to the vertical position. Next, the two ends of the special-shaped component 1 are respectively pressed against by the left baffle 3 and the locking assembly, and a hole with a diameter of Φ1.4mm can be drilled on the seat 10 along the radial hole on the nut 11, thereby realizing the clamping of the special-shaped component 1, ensuring the positioning accuracy of the nut 11 on the seat 10 and the positioning accuracy of the drilling position of the Φ1.4mm hole, and ensuring that the signal of the pressure switch can be output normally.

[0027] The bottom plate 4 is L-shaped.

[0028] The limiting groove includes a positioning notch 40, and an avoidance groove 41 is provided on the bottom surface of the positioning notch 40. Figure 2 As shown, the nut 11 is positioned in the radial direction of the nut 11 by the positioning notch 40, limiting the front-back and downward freedom of the nut 11. The avoidance groove 41 can avoid the drill bit on the drilling machine, preventing the bottom surface of the positioning notch 40 from being drilled by the drill bit.

[0029] The right baffle 5 is installed at one end of the bottom plate 4 through two connecting members 2 , and the left baffle 3 is installed on a side of the bottom plate 4 away from the right baffle 5 through two connecting members 2 .

[0030] The connecting member 2 is a screw.

[0031] The upper end surface of the left baffle 3 is coplanar with the top surface of the bottom plate 4 .

[0032] The locking assembly is threadedly connected to the right baffle 5 .

[0033] The locking assembly includes a screw rod 6 and a pressure block 8. The screw rod 6 passes through the right baffle plate 5 and is threadedly connected to the right baffle plate 5. The pressure block 8 is arranged on one end of the screw rod 6 close to the left baffle plate 3. When in use, the pressure block 8 partially extends into the hole on the end of the seat 10 away from the nut 11 to limit the seat 10 in radial and axial directions.

[0034] A pin 7 is provided on one end of the screw rod 6 away from the pressing block 8, so that the screw rod 6 can be rotated by the pin 7.

[0035] The drilling tool also includes a pressing plate 9, which is T-shaped and includes a pressing block 90 and a limiting block 91. The limiting block 91 is arranged at the bottom of the pressing block 90. ​​When drilling, the limiting block 91 extends into the limiting groove on the bottom plate 4 and presses on the nut 11 of the special-shaped component 1. The pressing plate 9 limits the upward freedom of the nut 11.

[0036] The working principle or use process of the drilling tool for the special-shaped component of the pressure switch described in the utility model is as follows:

[0037] After the nut 11 is threadedly connected to the seat 10 and the assembly position of the nut 11 on the seat 10 is adjusted, glue is applied to the threaded joint surface of the nut 11 and the seat 10. The drilling tool is fixed to the working platform of the drilling machine, and then the nut 11 is positioned radially through the positioning notch 40 on the bottom plate 4, and the drill installed on the drilling machine is inserted into the radial hole on the nut 11 to adjust the central axis of the radial hole to a vertical position, and then the special-shaped component 1 is kept fixed, and the screw 6 is rotated by the pin 7 until the pressure block 8 and the left baffle 3 cooperate to clamp the two ends of the special-shaped component 1, and the central axis of the special-shaped component 1 is in a horizontal position. Next, the operator holds the pressing plate 9 with one hand and presses the nut 11 with the pressing plate 9, and uses the other hand to operate the drilling machine to drill a hole with a diameter of Φ1.4mm on the seat 10.

Claims

1. A drilling tool for a special-shaped component of a pressure switch, characterized in that: The invention comprises a bottom plate (4), a left baffle (3) and a right baffle (5); the right baffle (5) is mounted on one end of the bottom plate (4) via a plurality of connecting members (2), and a locking assembly is provided on the right baffle (5); the left baffle (3) is mounted on a side of the bottom plate (4) away from the right baffle (5) via a plurality of connecting members (2), and a limiting groove is provided on one end of the bottom plate (4) close to the left baffle (3).

2. The drilling tool for the special-shaped component of the pressure switch according to claim 1, characterized in that: The bottom plate (4) is L-shaped.

3. The drilling tool for the special-shaped component of the pressure switch according to claim 1, characterized in that: The limiting groove comprises a positioning notch (40), and an avoidance groove (41) is provided on the bottom surface of the positioning notch (40).

4. The drilling tool for the special-shaped component of the pressure switch according to claim 1, characterized in that: The right baffle (5) is mounted on one end of the bottom plate (4) via two connecting pieces (2), and the left baffle (3) is mounted on a side of the bottom plate (4) away from the right baffle (5) via two connecting pieces (2).

5. The drilling tool for the special-shaped component of the pressure switch according to claim 1 or 4, characterized in that: The connecting piece (2) is a screw.

6. The drilling tool for the special-shaped pressure switch assembly according to claim 1, characterized in that: The upper end surface of the left baffle (3) is coplanar with the top surface of the bottom plate (4).

7. The drilling tool for the special-shaped component of the pressure switch according to claim 1, characterized in that: The locking assembly is threadedly connected to the right baffle (5).

8. The drilling tool for the special-shaped component of the pressure switch according to claim 1 or 7, characterized in that: The locking assembly comprises a screw rod (6) and a pressure block (8). The screw rod (6) passes through the right baffle (5) and is threadedly connected to the right baffle (5). The pressure block (8) is arranged on one end of the screw rod (6) close to the left baffle (3).

9. The drilling tool for the special-shaped component of the pressure switch according to claim 8, characterized in that: A pin (7) is provided on one end of the screw rod (6) away from the pressing block (8).

10. The drilling tool for the special-shaped pressure switch assembly according to claim 1, characterized in that: The drilling tool also includes a pressing plate (9), which is T-shaped and includes a pressing block (90) and a limiting block (91). The limiting block (91) is arranged at the bottom of the pressing block (90). When drilling, the limiting block (91) extends into the limiting groove on the bottom plate (4) and presses on the nut (11) of the special-shaped component (1).

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