Drilling tool for lower door frame of double-leaf door frame

Abstract

The utility model belongs to the technical field of door frame drilling and positioning devices, and discloses a double-leaf door frame lower door frame drilling tool which comprises a base, a first horizontal installation face and a second horizontal installation face are arranged on the base, and the second horizontal installation face is located on one side of the first horizontal installation face. The height of the second horizontal mounting surface in the horizontal direction is lower than that of the first horizontal mounting surface in the horizontal direction, and the first horizontal mounting surface is connected with the second horizontal mounting surface through a vertical positioning surface; the first horizontal mounting surface is rotationally connected with at least two bottom surface movable rollers which are distributed along the length direction of the base; a telescopic positioning mechanism is installed on the second horizontal installation face, and the side, close to the vertical positioning face, of the telescopic positioning mechanism is rotationally connected with a side face movable wheel. The lower door frame drilling device guarantees drilling quality, facilitates movement of a lower door frame, improves drilling efficiency, and meanwhile can reduce friction during movement.

Description

Technical Field

[0001] The utility model belongs to the technical field of door frame drilling and positioning devices, and in particular relates to a lower door frame drilling tool for a double-leaf door frame. Background Art

[0002] Double-leaf door frames are needed in the field of civil air defense. When the double-leaf door frames are in use, their lower door frames are required to be drilled in advance for the convenience of subsequent installation. When drilling holes in the lower door frames of existing double-leaf door frames, the L-shaped angle steel used as the lower door frame is directly positioned manually, which has poor stability during drilling and affects the drilling quality. Utility Model Content

[0003] The utility model aims to provide a double-leaf door frame lower door frame drilling tool to solve the above problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A drilling tool for a lower door frame of a double-leaf door frame comprises a base, a first horizontal mounting surface and a second horizontal mounting surface are arranged on the base, the second horizontal mounting surface is located on one side of the first horizontal mounting surface, and the height of the second horizontal mounting surface in the horizontal direction is lower than the height of the first horizontal mounting surface in the horizontal direction, the first horizontal mounting surface and the second horizontal mounting surface are connected by a vertical positioning surface, so as to fit the vertical plate of the lower door frame to the vertical positioning surface; at least two bottom movable rollers distributed along the length direction of the base are rotatably connected to the first horizontal mounting surface, so as to place the horizontal plate of the lower door frame on the at least two bottom movable rollers; a telescopic positioning mechanism is installed on the second horizontal mounting surface, and a side movable wheel is rotatably connected to the side of the telescopic positioning mechanism close to the vertical positioning surface, so as to press the vertical plate of the lower door frame against the vertical positioning surface through the side movable wheel of the telescopic positioning mechanism.

[0006] As a preferred technical solution in the utility model, the telescopic positioning mechanism includes a first positioning frame, a first handle, a first slider and a side movable wheel. The first positioning frame is fixed to the second horizontal mounting surface, and the first positioning frame is mounted on the second horizontal mounting surface. The first positioning frame is provided with a first slide groove on the side facing the vertical positioning surface, and the straight line where the first slide groove is located is perpendicular to the vertical positioning surface; the first slider is slidably connected to the first slide groove along the straight line where the first slide groove is located, and the side movable wheel is rotatably connected to the side of the first slider close to the vertical positioning surface; the first handle is threadedly connected to the first positioning frame, and one end of the first handle is rotatably connected to the other end of the first slider, so as to drive the first slider close to or away from the vertical positioning surface through the thread adjustment of the first handle on the first positioning frame.

[0007] As a preferred technical solution in the present invention, the first handle includes a first screw portion and a first handle portion vertically connected to one end of the first screw portion, a threaded hole threadedly connected to the first screw portion is provided on the other side of the first positioning frame, and the other end of the first screw portion is rotatably connected to the first slider.

[0008] As a preferred technical solution in the utility model, the other end of the first screw portion is connected to the first round rod portion, and the first round rod portion is provided with a first circular limiting groove; the other end of the first sliding block is provided with a first circular groove, and the first round rod portion is inserted into the first circular groove; the other end of the first sliding block is threadedly connected with a first limiting bolt, and the screw section of the first limiting bolt is matched and inserted into the first circular limiting groove; the first positioning frame is provided with an avoidance opening for facilitating the first limiting bolt to slide with the first sliding block.

[0009] As a preferred technical solution in the utility model, the bottom movable roller is rotatably connected to the first horizontal mounting surface through two bearing seats located at both ends thereof, and the two bearing seats are both mounted on the first horizontal mounting surface.

[0010] As a preferred technical solution in the utility model, a positioning plate is installed on the base on the other side of the first horizontal mounting surface, and the positioning plate is rotatably connected to a top surface positioning mechanism, and the top surface positioning mechanism is rotatably connected to a top surface movable wheel, so as to press the horizontal plate of the lower door frame against the bottom surface movable roller through the top surface movable wheel of the top surface positioning mechanism.

[0011] As a preferred technical solution in the utility model, the positioning plate is rotatably connected with a rotating shaft, the rotating shaft is connected with an extension rod extending upward, the upper end of the extension rod is connected with an extension plate extending above the first horizontal mounting surface, and the end of the extension plate away from the extension rod is connected to the top surface positioning mechanism; a first positioning hole is provided on the extension plate, and a second positioning hole is provided on the positioning plate above the rotating shaft. When the top surface movable wheel of the top surface movable wheel is pressed against the top surface of the horizontal plate of the lower door frame, the first positioning hole and the second positioning hole are coaxially arranged, and positioning pins are cooperated and inserted in the first positioning hole and the second positioning hole.

[0012] As a preferred technical solution in the utility model, a stop block is also fixed on the positioning plate, and when the top surface positioning mechanism is away from above the first horizontal installation surface, the extension plate abuts against the stop block.

[0013] As a preferred technical solution in the utility model, the top surface positioning mechanism includes a sliding seat rotatably connected to the positioning plate, a second sliding groove is opened at the lower end of the sliding seat, a second sliding block is slidably connected in the second sliding groove, and the top surface movable wheel is rotatably connected to the lower end of the second sliding block; the upper end of the sliding seat is threadedly connected to the second handle, and the lower end of the second handle is rotatably connected to the second sliding block.

[0014] As a preferred technical solution in the utility model, the second handle includes a second screw portion and a second handle portion vertically connected to the upper end of the second screw portion, a threaded hole threadedly connected to the second screw portion is provided at the upper end of the sliding seat, the lower end of the second screw portion is connected to the second round rod portion, and the second round rod portion is provided with a second circular limiting groove; a second circular groove is provided at the upper end of the second sliding block, the second round rod portion is inserted into the second circular groove, a second limiting bolt is threadedly connected to the upper end of the second sliding block, and the screw section of the second limiting bolt is matched and inserted into the second circular limiting groove; a avoidance opening is provided on the sliding seat to facilitate the second limiting bolt to slide with the second sliding block.

[0015] Beneficial effects: The utility model supports the horizontal plate of the lower door frame on the bottom movable roller, and then positions the vertical plate of the lower door frame through the telescopic positioning mechanism, which can ensure the relative stability of the lower door frame during drilling and ensure the drilling quality. The part of the telescopic positioning mechanism that abuts against the lower door frame is the side movable wheel, which, combined with the bottom movable roller, also facilitates the movement of the lower door frame, improves the drilling efficiency, and can reduce friction during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the first handle before being connected to the first slider in the present invention;

[0018] Figure 3 It is an exploded schematic diagram of the top surface positioning mechanism in the utility model;

[0019] Figure 4 It is a schematic diagram of the utility model when positioning the lower door frame.

[0020] In the figure: 1-base; 2-lower door frame; 21-vertical plate; 22-horizontal plate; 3-bottom movable roller; 4-telescopic positioning mechanism; 41-movable wheel; 42-first positioning frame; 43-first handle; 44-first slider; 45-first limiting bolt; 5-bearing seat; 6-positioning plate; 61-rotating shaft; 62-extension rod; 63-extension plate; 64-stopper; 7-top surface positioning mechanism; 71-top surface movable wheel; 72-sliding seat; 73-second slider; 74-second handle; 75-second limiting bolt. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model.

[0022] Example:

[0023] like Figure 1-Figure 4 As shown, the present embodiment provides a double-leaf door frame lower door frame drilling tool, including a base 1, a first horizontal mounting surface and a second horizontal mounting surface are arranged on the base 1, the second horizontal mounting surface is located on one side of the first horizontal mounting surface, and the height of the second horizontal mounting surface in the horizontal direction is lower than the height of the first horizontal mounting surface in the horizontal direction, the first horizontal mounting surface and the second horizontal mounting surface are connected through a vertical positioning surface, so as to fit the vertical plate 21 of the lower door frame 2 to the vertical positioning surface; at least two bottom movable rollers 3 distributed along the length direction of the base 1 are rotatably connected to the first horizontal mounting surface, so as to fit the lower door frame 2 The horizontal plate 22 is placed on at least two bottom movable rollers 3, which makes it convenient for the lower door frame 2 to slide on the bottom movable rollers 3, thereby making drilling more convenient; a telescopic positioning mechanism 4 is installed on the second horizontal mounting surface, and the telescopic positioning mechanism 4 is rotatably connected to the side movable wheel 41 on the side close to the vertical positioning surface, which is used to press the vertical plate 21 of the lower door frame 2 against the vertical positioning surface through the side movable wheel 41 of the telescopic positioning mechanism 4, thereby ensuring the relative stability of the lower door frame 2 without affecting the drilling operation, and the side movable wheel 41 can also reduce the friction when the lower door frame 2 moves, making the adjustment of the lower door frame 2 more convenient.

[0024] The utility model supports the horizontal plate 22 of the lower door frame 2 on the bottom movable roller 3, and then positions the vertical plate 21 of the lower door frame 2 through the telescopic positioning mechanism 4, which can ensure the relative stability of the lower door frame 2 during drilling and ensure the drilling quality. The part of the telescopic positioning mechanism 4 that abuts against the lower door frame 2 is the side movable wheel 41, which, combined with the bottom movable roller 3, also facilitates the movement of the lower door frame 2, improves the drilling efficiency, and can reduce friction during movement.

[0025] As a preferred implementation scheme in this embodiment, it needs to be further explained that the telescopic positioning mechanism 4 includes a first positioning frame 42, a first handle 43, a first slider 44 and a side movable wheel 41. The first positioning frame 42 is fixed to the second horizontal mounting surface. The first positioning frame 42 is installed on the second horizontal mounting surface. The first positioning frame 42 is provided with a first slide groove on one side facing the vertical positioning surface. The straight line where the first slide groove is located is perpendicular to the vertical positioning surface. The first slider 44 is slidably connected to the first slide groove along the straight line where the first slide groove is located. The side movable wheel 41 is rotatably connected to the side of the first slider 44 close to the vertical positioning surface, thereby As the first slider 44 slides, the side movable wheel 41 can be moved closer to or away from the vertical positioning surface, which is convenient for the placement, positioning and removal of the lower door frame (2); the first handle 43 is threadedly connected to the first positioning frame 42, and one end of the first handle 43 is rotatably connected to the other end of the first slider 44, so as to drive the first slider 44 to move closer to or away from the vertical positioning surface through the thread adjustment of the first handle 43 on the first positioning frame 42. In practice, it is only necessary to rotate the first handle 43 to control the first slider 44 to stably move closer to or away from the vertical positioning surface, and the first handle 43 is stably connected to the first positioning frame 42 and is easy to operate.

[0026] As a preferred implementation scheme in this embodiment, it needs to be further explained that the first handle 43 includes a first screw portion and a first handle portion vertically connected to one end of the first screw portion, and a threaded hole threadedly connected to the first screw portion is provided on the other side of the first positioning frame 42, and the other end of the first screw portion is rotatably connected to the first slider 44, so as to facilitate grasping the first handle portion to rotate the first handle 43.

[0027] As a preferred implementation scheme in this embodiment, it needs to be further explained that the other end of the first screw portion is connected to the first round rod portion, and the first round rod portion is provided with a first circular limiting groove; the other end of the first slider 44 is provided with a first circular groove, and the first round rod portion is inserted into the first circular groove, and the other end of the first slider 44 is threadedly connected with a first limiting bolt 45, and the screw section of the first limiting bolt 45 is matched and inserted in the first circular limiting groove. When the first handle 43 is rotated, the screw section of the first limiting bolt 45 rotates relative to the first circular limiting groove, thereby realizing the relative rotation of the first handle 43 and the first slider 44; the first positioning frame 42 is provided with an avoidance opening to facilitate the first limiting bolt 45 to slide with the first slider 44 without affecting the sliding of the first slider 44.

[0028] As a preferred implementation scheme in this embodiment, it needs to be further explained that the bottom movable roller 3 is rotatably connected to the first horizontal mounting surface through two bearing seats 5 located at its two ends, and the two bearing seats 5 are both installed on the first horizontal mounting surface to ensure the flexibility and stability of the bottom movable roller 3.

[0029] As a preferred implementation scheme in this embodiment, it needs to be further explained that a positioning plate 6 is installed on the base 1 on the other side of the first horizontal mounting surface, and a top surface positioning mechanism 7 is rotatably connected to the positioning plate 6, which does not affect the placement and removal of the lower door frame 2. A top surface movable wheel 71 is rotatably connected to the top surface positioning mechanism 7, which is used to press the horizontal plate 22 of the lower door frame 2 against the bottom surface movable roller 3 through the top surface movable wheel 71 of the top surface positioning mechanism 7, which can further enhance the stability of the lower door frame 2 during drilling.

[0030] As a preferred implementation scheme in this embodiment, it needs to be further explained that a rotating shaft 61 is rotatably connected to the positioning plate 6, and the rotating shaft 61 is connected to an extension rod 62 extending upward. The upper end of the extension rod 62 is connected to an extension plate 63 extending above the first horizontal mounting surface, and the end of the extension plate 63 away from the extension rod 62 is connected to the top surface positioning mechanism 7, thereby ensuring that the top surface positioning mechanism 7 can rotate stably on the positioning plate 6. When the top surface positioning mechanism 7 rotates to above the first horizontal mounting surface, the lower door frame 2 is positioned, and when the top surface positioning mechanism 7 is away from the first horizontal mounting surface, the positioning is released; a first positioning hole is provided on the extension plate 63, and a second positioning hole is provided on the positioning plate 6 above the rotating shaft 61. When the top surface movable wheel 71 of the top surface movable wheel 71 is pressed against the top surface of the horizontal plate 22 of the lower door frame 2, the first positioning hole and the second positioning hole are coaxially arranged, and positioning pins are inserted in the first positioning hole and the second positioning hole, thereby ensuring the stability of the top surface positioning mechanism 7 when positioning the lower door frame 2.

[0031] As a preferred implementation scheme in this embodiment, it needs to be further explained that a stop block 64 is also fixed on the positioning plate 6. When the top surface positioning mechanism 7 is away from the first horizontal mounting surface, the extension plate 63 abuts against the stop block 64. When positioning is not required, the stability of the top surface positioning mechanism 7 can be ensured by only abutting the extension plate 63 against the stop block 64. The structure is simple and practical.

[0032] As a preferred implementation scheme in this embodiment, it needs to be further explained that the top surface positioning mechanism 7 includes a sliding seat 72 rotatably connected to the positioning plate 6, and a second sliding groove is opened at the lower end of the sliding seat 72, in which a second sliding block 73 is slidably connected, and the top surface movable wheel 71 is rotatably connected to the lower end of the second sliding block 73; the upper end of the sliding seat 72 is threadedly connected to a second handle 74, and the lower end of the second handle 74 is rotatably connected to the second sliding block 73. The rotation of the second handle 74 can control the second sliding block 73 to slide up and down, that is, control the top surface movable wheel 71 to slide up and down, so as to realize the positioning or release of the lower door frame 2.

[0033] As a preferred implementation scheme in this embodiment, it needs to be further explained that the second handle 74 includes a second screw portion and a second handle portion vertically connected to the upper end of the second screw portion, the upper end of the slide seat 72 is provided with a threaded hole threadedly connected to the second screw portion, the lower end of the second screw portion is connected to a second round rod portion, and the second round rod portion is provided with a second circular limiting groove; the upper end of the second sliding block 73 is provided with a second circular groove, the second round rod portion is inserted into the second circular groove, the upper end of the second sliding block 73 is threadedly connected with a second limiting bolt 75, the screw section of the second limiting bolt 75 is matched and inserted into the second circular limiting groove, when the second handle 74 is rotated, the screw section of the second limiting bolt 75 rotates relative to the first circular limiting groove, thereby realizing the relative rotation of the second handle 74 and the second sliding block 73; the sliding block 72 is provided with an avoidance opening for facilitating the second limiting bolt 75 to slide with the second sliding block 73 without affecting the sliding of the second sliding block 73.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A double-leaf door frame lower door frame drilling tool, characterized in that: The invention comprises a base (1), on which a first horizontal mounting surface and a second horizontal mounting surface are arranged, the second horizontal mounting surface is located on one side of the first horizontal mounting surface, and the height of the second horizontal mounting surface in the horizontal direction is lower than the height of the first horizontal mounting surface in the horizontal direction, the first horizontal mounting surface and the second horizontal mounting surface are connected via a vertical positioning surface, so as to fit a vertical plate (21) of a lower door frame (2) to the vertical positioning surface; at least two bottom movable rollers (3) distributed along the length direction of the base (1) are rotatably connected to the first horizontal mounting surface, so as to place the horizontal plate (22) of the lower door frame (2) on the at least two bottom movable rollers (3); a telescopic positioning mechanism (4) is installed on the second horizontal mounting surface, and a side movable wheel (41) is rotatably connected to the side of the telescopic positioning mechanism (4) close to the vertical positioning surface, so as to press the vertical plate (21) of the lower door frame (2) to the vertical positioning surface via the side movable wheel (41) of the telescopic positioning mechanism (4).

2. The double-leaf door frame lower door frame drilling tool according to claim 1, characterized in that: The telescopic positioning mechanism (4) comprises a first positioning frame (42), a first handle (43), a first slider (44) and a side movable wheel (41). The first positioning frame (42) is fixed to the second horizontal mounting surface. The first positioning frame (42) is mounted on the second horizontal mounting surface. The first positioning frame (42) is provided with a first slide groove on one side facing the vertical positioning surface. The straight line where the first slide groove is located is perpendicular to the vertical positioning surface. The first slider (44) is slidably connected in the first slide groove along the straight line where the first slide groove is located. The side movable wheel (41) is rotatably connected to the side of the first slider (44) close to the vertical positioning surface. The first handle (43) is threadedly connected to the first positioning frame (42). One end of the first handle (43) is rotatably connected to the other end of the first slider (44) so ​​as to drive the first slider (44) to approach or move away from the vertical positioning surface through the thread adjustment of the first handle (43) on the first positioning frame (42).

3. The double-leaf door frame lower door frame drilling tool according to claim 2, characterized in that: The first handle (43) comprises a first screw portion and a first handle portion vertically connected to one end of the first screw portion, a threaded hole threadedly connected to the first screw portion is provided on the other side of the first positioning frame (42), and the other end of the first screw portion is rotatably connected to the first slider (44).

4. The double-leaf door frame lower door frame drilling tool according to claim 3, characterized in that: The other end of the first screw portion is connected to a first round rod portion, and a first round rod portion is provided with a first round limit groove; the other end of the first sliding block (44) is provided with a first round groove, and the first round rod portion is inserted into the first round groove; the other end of the first sliding block (44) is threadedly connected to a first limit bolt (45), and the screw section of the first limit bolt (45) is matched and inserted into the first round limit groove; the first positioning frame (42) is provided with an avoidance opening for facilitating the first limit bolt (45) to slide along with the first sliding block (44).

5. The double-leaf door frame lower door frame drilling tool according to any one of claims 1 to 4, characterized in that: The bottom movable roller (3) is rotatably connected to the first horizontal mounting surface via two bearing seats (5) located at both ends thereof, and the two bearing seats (5) are both mounted on the first horizontal mounting surface.

6. The double-leaf door frame lower door frame drilling tool according to any one of claims 1 to 4, characterized in that: A positioning plate (6) is installed on the base (1) on the other side of the first horizontal mounting surface, the positioning plate (6) is rotatably connected to a top surface positioning mechanism (7), and the top surface positioning mechanism (7) is rotatably connected to a top surface movable wheel (71) for pressing the horizontal plate (22) of the lower door frame (2) against the bottom surface movable roller (3) via the top surface movable wheel (71) of the top surface positioning mechanism (7).

7. The double-leaf door frame lower door frame drilling tool according to claim 6, characterized in that: The positioning plate (6) is rotatably connected to a rotating shaft (61), the rotating shaft (61) is connected to an extension rod (62) extending upward, the upper end of the extension rod (62) is connected to an extension plate (63) extending above the first horizontal mounting surface, and one end of the extension plate (63) away from the extension rod (62) is connected to the top surface positioning mechanism (7); a first positioning hole is provided on the extension plate (63), and a second positioning hole is provided on the positioning plate (6) above the rotating shaft (61); when the top surface movable wheel (71) of the top surface movable wheel (71) is pressed against the top surface of the horizontal plate (22) of the lower door frame (2), the first positioning hole and the second positioning hole are coaxially arranged, and positioning pins are inserted in the first positioning hole and the second positioning hole.

8. The double-leaf door frame lower door frame drilling tool according to claim 7, characterized in that: A stopper (64) is also fixed on the positioning plate (6), and when the top surface positioning mechanism (7) is away from above the first horizontal installation surface, the extension plate (63) abuts against the stopper (64).

9. The double-leaf door frame lower door frame drilling tool according to claim 6, characterized in that: The top surface positioning mechanism (7) comprises a slide seat (72) rotatably connected to the positioning plate (6); a second slide groove is provided at the lower end of the slide seat (72), a second slider (73) is slidably connected in the second slide groove, and a top surface movable wheel (71) is rotatably connected to the lower end of the second slider (73); a second handle (74) is threadedly connected to the upper end of the slide seat (72), and the lower end of the second handle (74) is rotatably connected to the second slider (73).

10. The double-leaf door frame lower door frame drilling tool according to claim 9, characterized in that: The second handle (74) comprises a second screw portion and a second handle portion vertically connected to the upper end of the second screw portion; a threaded hole threadedly connected to the second screw portion is provided at the upper end of the slide seat (72); a second round rod portion is connected to the lower end of the second screw portion; a second round rod portion is provided on the second round rod portion; a second round groove is provided on the upper end of the second sliding block (73); the second round rod portion is inserted into the second round groove; a second limiting bolt (75) is threadedly connected to the upper end of the second sliding block (73); a screw section of the second limiting bolt (75) is matched and inserted into the second round limiting groove; and a relief opening is provided on the slide seat (72) to facilitate the second limiting bolt (75) to slide along with the second sliding block (73).

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